12018-12-31  Max Filippov  <jcmvbkbc@gmail.com>
2
3	PR target/86814
4	* config/xtensa/xtensa.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
5	Define to speculation_safe_value_not_needed.
6
72018-12-31  Martin Liska  <mliska@suse.cz>
8
9	* predict.c (set_even_probabilities): Include also
10	unlikely_count in calculation.
11	(combine_predictions_for_bb): Consider also HOT and
12	COLD labels predictions.
13	* predict.def (PRED_HOT_LABEL): Move it just after
14	__builtin_expect_with_probability predictor.
15	(PRED_COLD_LABEL): Likewise.
16
172018-12-30  Jan Hubicka  <hubicka@ucw.cz>
18
19	* x86-tune.def: Enable inter_unit_moves_to_vec for generic.
20
212018-12-30  Martin Sebor  <msebor@redhat.com>
22	    Jeff Law  <law@redhat.com>
23
24	* gimple-fold.c (get_range_strlen): Minor logic cleanup.  Add comments
25	on code's intent.
26
27	* gimple-fold.c (strlen_range_kind): New enum.
28	(get_range_strlen): Update signature to use strlen_range_kind
29	instead of type+fuzzy.
30	(get_range_strlen_tree): Update signature to use
31	strlen_range_kind instead of type+fuzzy.  Pass rkind down to
32	get_range_strlen.  Check the rkind enum value instead of
33	type+fuzzy.
34	(get_range_strlen): Similarly.
35	(get_maxval_strlen): Update signature to make NONSTR argument have
36	a default value and make static.  Add asserts to ensure sanity of
37	arguments.  Update calls to get_range_strlen.
38	(gimple_fold_builtin_strcpy): Update calls to get_maxval_strlen.
39	(gimple_fold_builtin_strcat, gimple_fold_builtin_fputs): Similarly.
40	(gimple_fold_builtin_memory_chk): Similarly.
41	(gimple_fold_builtin_stxcpy_chk): Similarly.
42	(gimple_fold_builtin_snprintf_chk): Similarly.
43	(gimple_fold_builtin_sprintf, gimple_fold_builtin_snprintf): Similarly.
44	* gimple-fold.h (get_maxval_strlen): Delete prototype.
45
462018-12-29  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
47
48	* config/msp430/msp430.c (msp430_attr): Warn when the critical and
49	interrupt function attributes are used together.
50	* gcc/doc/extend.texi: Update documentation on the critical attribute.
51
522018-12-29  John David Anglin  <danglin@gcc.gnu.org>
53
54	* config.gcc (hppa*64*-*-linux*): Add pa/t-pa to tmake_file.  Define
55	d_target_objs.
56	(hppa*-*-openbsd*): Likewise.
57	(hppa[12]*-*-hpux10*): Likewise.
58	(hppa*64*-*-hpux11*): Likewise.
59	(hppa[12]*-*-hpux11*): Likewise.
60
612018-12-29  Jakub Jelinek  <jakub@redhat.com>
62
63	PR ipa/88586
64	* omp-low.c (lower_omp_task_reductions): Set DECL_CONTEXT on field
65	and ifield.  Update TYPE_ALIGN from alignment of field, ifield or
66	bfield.
67
682018-12-28  Uros Bizjak  <ubizjak@gmail.com>
69
70	* config/i386/i386.h (ADDITIONAL_REGISTER_NAMES): Add
71	sil, dil, bpl and spl aliases.
72
732018-12-28  Martin Sebor  <msebor@redhat.com>
74
75	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Avoid
76	undesirable warning.
77
782018-12-28  Thomas Schwinge  <thomas@codesourcery.com>
79
80	* omp-expand.c (expand_omp_target): Restructure OpenACC vs. OpenMP
81	code paths.  Update for libgomp OpenACC entry points change.
82
832018-12-28  Thomas Schwinge  <thomas@codesourcery.com>
84	    Julian Brown  <julian@codesourcery.com>
85
86	* gimplify.c (gimplify_scan_omp_clauses): Fix known_eq typo/bug.
87
882018-12-27  Jan Hubicka  <hubicka@ucw.cz>
89
90	* ipa-devirt.c (polymorphic_call_target_d): Add n_odr_types.
91	(polymorphic_call_target_hasher::hash): Hash it.
92	(polymorphic_call_target_hasher::equal): Compare it.
93	(possible_polymorphic_call_targets): Set it.
94	* tree.c (free_lang_data): Rebuild type inheritance graph even on
95	non-LTO path.
96
972018-12-27  Martin Liska  <mliska@suse.cz>
98
99	PR gcov-profile/88225
100	* gcov.c(source_info::get_functions_at_location):
101	Use newly added line_to_function_map.
102	(source_info::add_function): New.
103	(output_json_intermediate_file): Use a pointer return
104	type for get_functions_at_location.
105	(process_all_functions): Use add_function instead
106	of direct push to a s->functions container.
107	(release_structures): Release ident_to_fn.
108	(read_graph_file): Register function into ident_to_fn.
109	(read_count_file): Use the map.
110	(output_lines): Handle pointer return type of
111	get_functions_at_location.
112
1132018-12-27  Martin Liska  <mliska@suse.cz>
114
115	* builtins.c (expand_movstr): Compare with RETURN_BEGIN.
116	* expr.c (move_by_pieces): Likewise.
117	(store_by_pieces): Likewise.
118	(store_expr): Fix GNU coding style.
119
1202018-12-26  Andrew Pinski  <apinski@marvell.com>
121
122	* config/aarch64/aarch64-cores.def (octeontx): New.
123	(octeontx81): Likewise.
124	(octeontx83): Likewise.
125	* config/aarch64/aarch64-tune.md: Regenerate.
126	* doc/invoke.texi (AArch64 Options) [mtune]: Add octeontx, octeontx81
127	and octeontx83.
128
1292018-12-24  Martin Sebor  <msebor@redhat.com>
130
131	* gimple-fold.c (get_range_strlen_tree): Factored out of
132	get_range_strlen.  Minor comment updates/additions.  Assert
133	argument is not a simple SSA_NAME.
134	(get_range_strlen): Call get_range_strlen_tree as appropriate.
135	Minor comment updates/additions.
136
1372018-12-24  Jan Hubicka  <hubicka@ucw.cz>
138
139	* ipa-devirt.c (dump_targets): Cap number of targets printed.
140	(dump_possible_polymorphic_call_targets): Add verbose parameter.
141	(ipa_devirt): Use it.
142	* ipa-utils.h (dump_possible_polymorphic_call_targets): Add verbose
143	parametrs.
144
1452018-12-24  Jan Hubicka  <hubicka@ucw.cz>
146
147	PR lto/88140
148	* tree.c (fld_simplified_type): Temporarily disable array
149	simplification.
150
1512018-12-24  Jan Hubicka  <hubicka@ucw.cz>
152
153	* lto-symtab.c (lto_symtab_merge_decls_2): Do not report ODR violations
154	for method whose basetype was already reported.
155	* ipa-devirt.c (odr_type_violation_reported_p): New.
156	* ipa-utils.h (odr_type_violation_reported_p): Declare.
157
1582018-12-24  Iain Sandoe  <iain@sandoe.co.uk>
159
160	* configure.ac (dwarf2_debug_line): Check for the debug_line
161	section using otool when there’s no objdump available.
162	* configure: Regenerate.
163
1642018-12-24  Jan Hubicka  <hubicka@ucw.cz>
165
166	* ipa-utils.c (ipa_merge_profiles): Fix updating of fnsummary;
167	also handle rescaling of mismatched profiles.
168	* ipa-fnsummary.c (analyze_function): Handle speculative edges.
169
1702018-12-23  Martin Sebor  <msebor@redhat.com>
171	    Jeff Law  <law@redhat.com>
172
173	* builtins.h (c_strlen_data): Add new fields and comments.
174	* builtins.c (unterminated_array): Change field reference from
175	"len" to "minlen" in c_strlen_data instance.
176	* gimple-fold.c (get_range_strlen): Likewise.
177	* gimple-ssa-sprintf.c (get_string_length): Likewise.
178
179	* builtins.c (unterminated_array): Rename "data" to "lendata".  Fix
180	a few comments.
181	(expand_builtin_strnlen, expand_builtin_stpcpy_1): Likewise.
182	(fold_builtin_strlen): Likewise.
183	* gimple-fold.c (get_range_strlen): Likewise.  Also rename a couple
184	instances of "type" to "optype" and "arg" to "fld".
185
186	* builtins.c (unterminated_array): Use empty brace initialization
187	for c_strlen_data.
188	(c_strlen, expand_builtin_strnlen): Likewise.
189	(expand_builtin_stpcpy_1, fold_builtin_strlen): Likewise.
190	* gimple-fold.c (get_range_strlen): Likewise.
191	(gimple_fold_builtin_stpcpy): Likewise.
192	* gimple-ssa-sprintf.c (get_string_length): Likewise.
193
1942018-12-23  Alan Modra  <amodra@gmail.com>
195
196	PR 88346
197	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Correct %e message.  Handle
198	-mcpu=rs64, not -mcpu=rs64a.  Handle -mcpu=powerpc64 and -mcpu=titan.
199	* config/rs6000/driver-rs6000.c (asm_names): Similarly.
200	* config/rs6000/aix71.h (ASM_CPU_SPEC): Delete %e message.  Handle
201	-mcpu=rs64, not -mcpu=rs64a.
202	* config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
203
2042018-12-23  Iain Sandoe  <iain@sandoe.co.uk>
205
206	* lto-wrapper.c (tool_cleanup): Don’t report ficticious temp files.
207	(debug_objcopy): Improve temp filenames.  Append the early
208	debug objects to the outfiles.  Remove the phase prelinking the
209	early debug. Emit the early debug filenames for ld.
210
2112018-12-23  Iain Sandoe  <iain@sandoe.co.uk>
212
213	* config/i386/darwin.h (TARGET_ASM_OUTPUT_IDENT): New.
214
2152018-12-23  Iain Sandoe  <iain@sandoe.co.uk>
216
217	* collect2.c (maybe_run_lto_and_relink): Don’t say we have a temp file
218	unless we actually did some LTO.
219	(has_lto_section, is_lto_object_file): New.
220	(maybe_lto_object_file): Remove.
221	(scan_prog_file): Use is_lto_object_file() instead of scanning the
222	output of nm.
223
2242018-12-23  Iain Sandoe  <iain@sandoe.co.uk>
225
226	* collect2.c (main): Parse the output file early so we can make nicer
227	temp names.  Respond to “-save-temps” in the GCC OPTIONS.
228	(maybe_unlink): Don’t print “[Leaving…”] for files we never created
229	and don’t exist.
230
2312018-12-23  Iain Sandoe  <iain@sandoe.co.uk>
232
233	* collect2.c (main): Combine flags from both the command line and
234	COLLECT_GCC_OPTIONS to determine the set in force
235
2362018-12-21  Jan Hubicka  <hubicka@ucw.cz>
237
238	* ipa-utils.c (ipa_merge_profiles): Recompute summaries.
239
2402018-12-21  Jakub Jelinek  <jakub@redhat.com>
241
242	PR middle-end/85594
243	PR middle-end/88553
244	* omp-expand.c (extract_omp_for_update_vars): Regimplify the condition
245	if needed.
246	(expand_omp_for_generic): Don't clobber t temporary for ordered loops.
247
2482018-12-15  Jan Hubicka  <hubicka@ucw.cz>
249
250	PR ipa/88561
251	* ipa-polymorphic-call.c
252	(ipa_polymorphic_call_context::ipa_polymorphic_call_context): Handle
253	arguments of thunks correctly.
254	(ipa_polymorphic_call_context::get_dynamic_context): Be ready for
255	NULL instance pinter.
256	* lto-cgraph.c (lto_output_node): Always stream thunk info.
257
2582018-12-21  Andreas Krebbel  <krebbel@linux.ibm.com>
259
260	* config/s390/vector.md ("floatv2div2df2", "floatunsv2div2df2")
261	("fix_truncv2dfv2di2", "fixuns_truncv2dfv2di2"): New pattern
262	definitions.
263
2642018-12-21  Eric Botcazou  <ebotcazou@adacore.com>
265
266	PR rtl-optimization/87727
267	* combine.c (cant_combine_insn_p): On a LEAF_REGISTERS target, combine
268	again moves from leaf hard registers.
269
270	* final.c (final_scan_insn_1) <NOTE_INSN_INLINE_ENTRY>: Minor tweak.
271
2722018-12-21  Jakub Jelinek  <jakub@redhat.com>
273
274	PR target/88522
275	* config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask,
276	*avx512pf_gatherpf<mode>df_mask, *avx512pf_scatterpf<mode>sf_mask,
277	*avx512pf_scatterpf<mode>df_mask): Use %X5 instead of %5 for
278	-masm=intel.
279	(gatherq_mode): Remove mode iterator.
280	(*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2): Use X instead
281	of <xtg_mode>.
282	(*avx512f_gatherdi<mode>): Use X instead of <gatherq_mode>.
283	(*avx512f_gatherdi<mode>_2, *avx512f_scattersi<mode>,
284	*avx512f_scatterdi<mode>): Use %X5 for -masm=intel.
285
286	PR rtl-optimization/88563
287	* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Swap innermode
288	and mode arguments to convert_modes.  Likewise swap mode and word_mode
289	arguments.  Handle both arguments with VOIDmode before convert_modes
290	of one of them.  Formatting fixes.
291
2922018-12-21  Uros Bizjak  <ubizjak@gmail.com>
293
294	PR target/88556
295	* internal-fn.def (COSH): New.
296	(SINH): Ditto.
297	(TANH): Ditto.
298	* optabs.def (cosh_optab): New.
299	(sinh_optab): Ditto.
300	(tanh_optab): Ditto.
301	* config/i386/i386-protos.h (ix86_emit_i387_sinh): New prototype.
302	(ix86_emit_i387_cosh): Ditto.
303	(ix86_emit_i387_tanh): Ditto.
304	* config/i386/i386.c (ix86_emit_i387_sinh): New function.
305	(ix86_emit_i387_cosh): Ditto.
306	(ix86_emit_i387_tanh): Ditto.
307	* config/i386/i386.md (sinhxf2): New expander.
308	(sinh<mode>2):	Ditto.
309	(coshxf2): Ditto.
310	(cosh<mode>2): Ditto.
311	(tanhxf2): Ditto.
312	(tanh<mode>2): Ditto.
313
3142018-12-21  Jakub Jelinek  <jakub@redhat.com>
315
316	PR target/88547
317	* config/i386/i386.c (ix86_expand_int_sse_cmp): Optimize
318	x > y ? 0 : -1 into min (x, y) == x ? -1 : 0.
319
3202018-12-21  Jan Beulich  <jbeulich@suse.com>
321
322	* config/i386/sse.md (vaesdec_<mode>, vaesdeclast_<mode>): Allow
323	memory input.
324
3252018-12-21  Alexandre Oliva <oliva@adacore.com>
326
327	* config.gcc (tmake_file): Add name to tmake_file for
328	each @name in --with-multilib-list on arm-*-* targets.
329	* doc/install.texi (with-multilib-list): Document it.
330
3312018-12-21  Jakub Jelinek  <jakub@redhat.com>
332
333	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Use
334	DR_TARGET_ALIGNMENT on dr_info rather than dr.  Spelling fixes.
335
3362018-12-20  Joern Rennecke  <joern.rennecke@riscy-ip.com>
337
338	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Don't do
339	versioning for data accesses with misaligned step.
340
3412018-12-20  H.J. Lu  <hongjiu.lu@intel.com>
342
343	PR c/51628
344	* doc/invoke.texi: Document -Wno-address-of-packed-member.
345
3462018-12-20  Vladimir Makarov  <vmakarov@redhat.com>
347
348	PR target/88457
349	* ira-color.c (fast_allocation): Choose the best cost hard reg.
350
3512018-12-20  Richard Sandiford  <richard.sandiford@arm.com>
352
353	* config/aarch64/iterators.md (SVE_INT_UNARY, fp_int_op): Add abs.
354	(SVE_FP_UNARY): Sort.
355
3562018-12-20  Richard Sandiford  <richard.sandiford@arm.com>
357
358	* config/aarch64/aarch64-sve.md (*cond_<optab><mode>_4): Use
359	sve_fmla_op rather than sve_fmad_op for the movprfx alternative.
360
3612018-12-20  Martin Jambor  <mjambor@suse.cz>
362
363	PR ipa/88214
364	* tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Assert that
365	ptr is a pointer.
366
3672018-12-20  Richard Biener  <rguenther@suse.de>
368
369	PR tree-optimization/84362
370	* tree-ssa-loop-im.c: Include alias.h, builtins.h and tree-dfa.h.
371	(struct im_mem_ref): add ref_canonical flag.
372	(struct mem_ref_hasher): Use ao_ref as compare_type.
373	(mem_ref_hasher::equal): Adjust and add variant comparing ao_ref
374	parts.
375	(mem_ref_alloc): Take ao_ref parameter, initialize ref_canonical
376	member.
377	(gather_mem_refs_stmt): Set up ao_ref early and do the lookup
378	using it.  If we have non-equal refs canonicalize the one
379	in the hashtable used for insertion.
380	(tree_ssa_lim_initialize): Adjust.
381
3822018-12-20  Jakub Jelinek  <jakub@redhat.com>
383
384	PR target/88547
385	* config/i386/i386.c (ix86_expand_sse_movcc): For maskcmp, try to
386	emit vpmovm2? instruction perhaps after knot?.  Reorganize code
387	so that it doesn't have to test !maskcmp in almost every conditional.
388
3892018-12-20  Alan Modra  <amodra@gmail.com>
390
391	* config/rs6000/sysv4.h (GNU_USER_DYNAMIC_LINKER): Define.
392
3932018-12-19  Andreas Tobler  <andreast@gcc.gnu.org>
394
395	* config.gcc: Enable TARGET_DEFAULT_ASYNC_UNWIND_TABLES on
396	aarch64*-*-freebsd*
397
3982018-12-19  Uros Bizjak  <ubizjak@gmail.com>
399
400	* config/i386/i386.md (SWI1248_AVX512BWDQ_64): Rename from
401	SWI1248_AVX512BWDQ2_64.  Unconditionally enable HImode.
402	(*cmp<mode>_ccz_1): Emit kortest instead of ktest insn.
403	Use SWI1248_AVX512BWDQ_64 mode iterator and enable only for
404	TARGET_AVX512F.
405
4062018-12-19  Thomas Preud'homme  <thomas.preudhomme@linaro.org>
407
408	* config/arm/elf.h: Update comment about condition that need to
409	match with libgcc/config/arm/lib1funcs.S to also include
410	libgcc/config/arm/t-arm.
411	* doc/sourcebuild.texi (output-exists, output-exists-not): Rename
412	subsubsection these directives are in to "Check for output files".
413	Move scan-symbol to that section and add to it new scan-symbol-not
414	directive.
415
4162018-12-19  Tom de Vries  <tdevries@suse.de>
417
418	* config/nvptx/nvptx.c (PTX_CTA_SIZE): Define.
419
4202018-12-19  Tom de Vries  <tdevries@suse.de>
421
422	* omp-offload.c (oacc_fn_attrib_level): Remove static.
423	* omp-offload.h (oacc_fn_attrib_level): Declare.
424
4252018-12-19  Tom de Vries  <tdevries@suse.de>
426
427	* omp-offload.c (oacc_get_default_dim): New function.
428	* omp-offload.h (oacc_get_default_dim): Declare.
429
4302018-12-19  David Malcolm  <dmalcolm@redhat.com>
431
432	PR c++/87504
433	* gcc-rich-location.c
434	(maybe_range_label_for_tree_type_mismatch::get_text): Move here from
435	c/c-typeck.c.
436	(binary_op_rich_location::binary_op_rich_location): New ctor.
437	(binary_op_rich_location::use_operator_loc_p): New function.
438	* gcc-rich-location.h
439	(class maybe_range_label_for_tree_type_mismatch)): Move here from
440	c/c-typeck.c.
441	(struct op_location_t): New forward decl.
442	(class binary_op_rich_location): New class.
443	* tree.h (struct op_location_t): New struct.
444
4452018-12-19  David Malcolm  <dmalcolm@redhat.com>
446
447	PR c++/43064
448	PR c++/43486
449	* convert.c: Include "selftest.h".
450	(preserve_any_location_wrapper): New function.
451	(convert_to_pointer_maybe_fold): Update to handle location
452	wrappers.
453	(convert_to_real_maybe_fold): Likewise.
454	(convert_to_integer_1): Strip expr when using TREE_OVERFLOW.
455	Handle location wrappers when checking for INTEGER_CST.
456	(convert_to_integer_maybe_fold): Update to handle location
457	wrappers.
458	(convert_to_complex_maybe_fold): Likewise.
459	(selftest::test_convert_to_integer_maybe_fold): New functions.
460	(selftest::convert_c_tests): New function.
461	* convert.h (preserve_any_location_wrapper): New decl.
462	* fold-const.c (size_binop_loc): Strip location wrappers when
463	using TREE_OVERFLOW.
464	(operand_equal_p): Strip any location wrappers.
465	(integer_valued_real_p): Strip any location wrapper.
466	* selftest-run-tests.c (selftest::run_tests): Call
467	selftest::convert_c_tests.
468	* selftest.h (selftest::convert_c_tests): New decl.
469	* tree.c (build_complex): Assert that REAL and IMAG are constants.
470	(integer_zerop): Look through location wrappers.
471	(integer_onep): Likewise.
472	(integer_each_onep): Likewise.
473	(integer_all_onesp): Likewise.
474	(integer_minus_onep): Likewise.
475	(integer_pow2p): Likewise.
476	(integer_nonzerop): Likewise.
477	(integer_truep): Likewise.
478	(fixed_zerop): Likewise.
479	(real_zerop): Likewise.
480	(real_onep): Likewise.
481	(real_minus_onep): Likewise.
482	(tree_int_cst_equal): Likewise.
483	(simple_cst_equal): Treat location wrappers with non-equal source
484	locations as being unequal.
485	(uniform_integer_cst_p): Look through location wrappers.
486	(maybe_wrap_with_location): Don't create wrappers if any
487	auto_suppress_location_wrappers are active.
488	(suppress_location_wrappers): New variable.
489	(selftest::test_predicates): New test.
490	(selftest::tree_c_tests): Call it.
491	* tree.h (CONSTANT_CLASS_OR_WRAPPER_P): New macro.
492	(suppress_location_wrappers): New decl.
493	(class auto_suppress_location_wrappers): New class.
494
4952018-12-19  Paul A. Clarke  <pc@us.ibm.com>
496
497	* config/rs6000/tmmintrin.h (_mm_hadds_epi16): Vector lanes swapped.
498	(_mm_hsub_epi32): Likewise.
499	(_mm_shuffle_epi8): Fix reversed interpretation of parameters.
500	(_mm_shuffle_pi8): Likewise.
501	(_mm_addubs_pi16): Likewise.
502
5032018-12-19  Thomas Preud'homme  <thomas.preudhomme@linaro.org>
504
505	* config/arm/arm.h (TARGET_HARD_FLOAT): Restrict to TARGET_32BIT
506	targets.
507	* config/arm/arm.c (output_return_instruction): Only check
508	TARGET_HARD_FLOAT to decide whether FP instructions are available.
509
5102018-12-19  Tom de Vries  <tom@codesourcery.com>
511
512	* doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization
513	dump files): Add offload-rtl.
514
5152018-12-19  Segher Boessenkool  <segher@kernel.crashing.org>
516
517	PR target/88213
518	* config/rs6000/vsx.md (*vsx_extract_<P:mode>_<VSX_D:mode>_load):
519	Require TARGET_POWERPC64.
520
5212018-12-19  Richard Biener  <rguenther@suse.de>
522
523	PR tree-optimization/88533
524	Revert
525	2018-04-30  Richard Biener  <rguenther@suse.de>
526
527	PR tree-optimization/28364
528	PR tree-optimization/85275
529	* tree-ssa-loop-ch.c (ch_base::copy_headers): Stop after
530	copying first exit test.
531
532	* tree-ssa-loop-ch.c: Include tree-phinodes.h and
533	ssa-iterators.h.
534	(should_duplicate_loop_header_p): Track whether stmt compute
535	loop invariants or values based on IVs.  Apart from the
536	original loop header only duplicate blocks with exit tests
537	that are based on IVs or invariants.
538
5392018-12-19  Tom de Vries  <tdevries@suse.de>
540
541	* config/nvptx/nvptx.c (nvptx_gen_shared_bcast, shared_prop_gen)
542	(nvptx_goacc_expand_accel_var): Use MAX and ROUND_UP.
543	(nvptx_assemble_value, nvptx_output_skip): Use MIN.
544	(nvptx_shared_propagate, nvptx_single, nvptx_expand_shared_addr): Use
545	MAX.
546
5472018-12-19  Tom de Vries  <tdevries@suse.de>
548
549	* config/nvptx/nvptx.c (nvptx_gen_wcast): Rename as
550	nvptx_gen_warp_bcast.
551	(nvptx_gen_wcast): Rename to nvptx_gen_shared_bcast, add bool
552	vector argument, and update call to nvptx_gen_shared_bcast.
553	(propagator_fn): Add bool argument.
554	(nvptx_propagate): New bool argument, pass bool argument to fn.
555	(vprop_gen): Rename to warp_prop_gen, update call to
556	nvptx_gen_warp_bcast.
557	(nvptx_vpropagate): Rename to nvptx_warp_propagate, update call to
558	nvptx_propagate.
559	(wprop_gen): Rename to shared_prop_gen, update call to
560	nvptx_gen_shared_bcast.
561	(nvptx_wpropagate): Rename to nvptx_shared_propagate, update call
562	to nvptx_propagate.
563	(nvptx_wsync): Rename to nvptx_cta_sync.
564	(nvptx_single): Update calls to nvptx_gen_warp_bcast,
565	nvptx_gen_shared_bcast and nvptx_cta_sync.
566	(nvptx_process_pars): Likewise.
567	(write_worker_buffer): Rename as write_shared_buffer.
568	(nvptx_file_end): Update calls to write_shared_buffer.
569	(nvptx_expand_worker_addr): Rename as nvptx_expand_shared_addr.
570	(nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
571	(nvptx_get_worker_red_addr): Rename as nvptx_get_shared_red_addr.
572	(nvptx_goacc_reduction_setup): Update call to
573	nvptx_get_shared_red_addr.
574	(nvptx_goacc_reduction_fini): Likewise.
575	(nvptx_goacc_reduction_teardown): Likewise.
576
5772018-12-19  Tom de Vries  <tdevries@suse.de>
578
579	* config/nvptx/nvptx.c (worker_bcast_size): Rename as
580	oacc_bcast_size.
581	(worker_bcast_align): Rename as oacc_bcast_align.
582	(worker_bcast_sym): Rename as oacc_bcast_sym.
583	(nvptx_option_override): Update usage of oacc_bcast_*.
584	(struct wcast_data_t): Rename as broadcast_data_t.
585	(nvptx_gen_wcast): Update type of data argument and usage of
586	oacc_bcast_align.
587	(wprop_gen): Update type of data_ and usage of oacc_bcast_align.
588	(nvptx_wpropagate): Update type of data and usage of
589	oacc_bcast_{sym,size}.
590	(nvptx_single): Update type of data and usage of oacc_bcast_size.
591	(nvptx_file_end): Update usage of oacc_bcast_{sym,align,size}.
592
5932018-12-19  Tom de Vries  <tdevries@suse.de>
594
595	* config/nvptx/nvptx.md (nvptx_barsync): Add and handle operand.
596	* config/nvptx/nvptx.c (nvptx_wsync): Update call to gen_nvptx_barsync.
597
5982018-12-19  Tom de Vries  <tdevries@suse.de>
599
600	* config/nvptx/nvptx.c (nvptx_single): Always pass false to
601	nvptx_wsync.
602	(nvptx_process_pars): Likewise.
603
6042018-12-19  Tom de Vries  <tdevries@suse.de>
605
606	* config/nvptx/nvptx.c (nvptx_previous_fndecl): Declare.
607	(nvptx_set_current_function): New function.
608	(TARGET_SET_CURRENT_FUNCTION): Define.
609
6102018-12-19  Shaokun Zhang  <zhangshaokun@hisilicon.com>
611
612	* config/aarch64/aarch64-cores.def (tsv110): Fix architecture.  This
613	part is really Armv8.2 with some permitted Armv8.4 extensions.
614
6152018-12-19  Jakub Jelinek  <jakub@redhat.com>
616
617	PR target/88541
618	* config/i386/vpclmulqdqintrin.h (_mm256_clmulepi64_epi128): Enable
619	for -mavx -mvpclmulqdq rather than just for -mavx512vl -mvpclmulqdq.
620
6212018-12-19  Alexandre Oliva  <aoliva@redhat.com>
622
623	PR testsuite/86153
624	PR middle-end/83239
625	* vr-values.c
626	(vr_values::vrp_evaluate_conditional_warnv_with_ops): Extend
627	simplification of overflow tests to cover cases in which we
628	can determine the result of the comparison.
629
6302018-12-19  Bin Cheng  <bin.cheng@linux.alibaba.com>
631
632	* auto-profile.c (afdo_indirect_call): Skip generating histogram
633	value if we can't find cgraph_node for then indirected callee.  Save
634	profile_id of the cgraph_node in histogram value's first counter.
635	* value-prof.c (gimple_value_profile_transformations): Don't skip
636	for flag_auto_profile.
637
6382018-12-18  Vladimir Makarov  <vmakarov@redhat.com>
639
640	PR rtl-optimization/87759
641	* lra-assigns.c (lra_split_hard_reg_for): Recalculate
642	non_reload_pseudos.
643
6442018-12-18  Jakub Jelinek  <jakub@redhat.com>
645
646	PR target/88464
647	* config/i386/i386-builtin-types.def
648	(VOID_FTYPE_PDOUBLE_QI_V8SI_V4DF_INT,
649	VOID_FTYPE_PFLOAT_QI_V4DI_V8SF_INT,
650	VOID_FTYPE_PLONGLONG_QI_V8SI_V4DI_INT,
651	VOID_FTYPE_PINT_QI_V4DI_V8SI_INT,
652	VOID_FTYPE_PDOUBLE_QI_V4SI_V2DF_INT,
653	VOID_FTYPE_PFLOAT_QI_V2DI_V4SF_INT,
654	VOID_FTYPE_PLONGLONG_QI_V4SI_V2DI_INT,
655	VOID_FTYPE_PINT_QI_V2DI_V4SI_INT): New builtin types.
656	* config/i386/i386.c (enum ix86_builtins): Add
657	IX86_BUILTIN_SCATTERALTSIV4DF, IX86_BUILTIN_SCATTERALTDIV8SF,
658	IX86_BUILTIN_SCATTERALTSIV4DI, IX86_BUILTIN_SCATTERALTDIV8SI,
659	IX86_BUILTIN_SCATTERALTSIV2DF, IX86_BUILTIN_SCATTERALTDIV4SF,
660	IX86_BUILTIN_SCATTERALTSIV2DI and IX86_BUILTIN_SCATTERALTDIV4SI.
661	(ix86_init_mmx_sse_builtins): Fix up names of IX86_BUILTIN_GATHERALT*,
662	IX86_BUILTIN_GATHER3ALT* and IX86_BUILTIN_SCATTERALT* builtins to
663	match the IX86_BUILTIN codes.  Build 	IX86_BUILTIN_SCATTERALTSIV4DF,
664	IX86_BUILTIN_SCATTERALTDIV8SF, IX86_BUILTIN_SCATTERALTSIV4DI,
665	IX86_BUILTIN_SCATTERALTDIV8SI, IX86_BUILTIN_SCATTERALTSIV2DF,
666	IX86_BUILTIN_SCATTERALTDIV4SF, IX86_BUILTIN_SCATTERALTSIV2DI and
667	IX86_BUILTIN_SCATTERALTDIV4SI decls.
668	(ix86_vectorize_builtin_scatter): Expand those new builtins.
669
6702018-12-18  Bill Schmidt  <wschmidt@linux.ibm.com>
671
672	* doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
673	Describe when a typedef name can be used as the type specifier for
674	a vector type, and when it cannot.
675
6762018-12-18  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
677
678	* config/msp430/msp430.h: Define TARGET_VTABLE_ENTRY_ALIGN.
679
6802018-12-18  Jakub Jelinek  <jakub@redhat.com>
681
682	PR target/88513
683	PR target/88514
684	* optabs.def (vec_pack_sbool_trunc_optab, vec_unpacks_sbool_hi_optab,
685	vec_unpacks_sbool_lo_optab): New optabs.
686	* optabs.c (expand_widen_pattern_expr): Use vec_unpacks_sbool_*_optab
687	and pass additional argument if both input and target have the same
688	scalar mode of VECTOR_BOOLEAN_TYPE_P vectors.
689	* expr.c (expand_expr_real_2) <case VEC_PACK_TRUNC_EXPR>: Handle
690	VECTOR_BOOLEAN_TYPE_P pack where result has the same scalar mode
691	as the operands using vec_pack_sbool_trunc_optab.
692	* tree-vect-stmts.c (supportable_widening_operation): Use
693	vec_unpacks_sbool_{lo,hi}_optab for VECTOR_BOOLEAN_TYPE_P conversions
694	where both wider_vectype and vectype have the same scalar mode.
695	(supportable_narrowing_operation): Similarly use
696	vec_pack_sbool_trunc_optab if narrow_vectype and vectype have the same
697	scalar mode.
698	* config/i386/i386.c (ix86_get_builtin)
699	<case IX86_BUILTIN_GATHER3ALTDIV8SF>: Check for VECTOR_MODE_P
700	rather than non-VOIDmode.
701	* config/i386/sse.md (vec_pack_trunc_qi, vec_pack_trunc_<mode>):
702	Remove useless ()s around "register_operand", formatting fixes.
703	(vec_pack_sbool_trunc_qi, vec_unpacks_sbool_lo_qi,
704	vec_unpacks_sbool_hi_qi): New expanders.
705	* doc/md.texi (vec_pack_sbool_trunc_M, vec_unpacks_sbool_hi_M,
706	vec_unpacks_sbool_lo_M): Document.
707
7082018-12-18  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
709
710	* combine.c (update_rsp_from_reg_equal): Only look for the nonzero bits
711	of src in nonzero_bits_mode if the mode of src is MODE_INT and
712	HWI_COMPUTABLE.
713	(reg_nonzero_bits_for_combine): Add clarification to comment.
714
7152018-12-18  Wei Xiao  <wei3.xiao@intel.com>
716
717	* config/i386/driver-i386.c (host_detect_local_cpu): Detect cascadelake.
718	* config/i386/i386.c (fold_builtin_cpu): Handle cascadelake.
719	* doc/extend.texi: Add cascadelake.
7202018-12-17  Peter Bergner  <bergner@linux.ibm.com>
721
722	PR target/87870
723	* config/rs6000/vsx.md (nW): New mode iterator.
724	(vsx_mov<mode>_64bit): Use it.  Remove redundant GPR 0/-1 alternative.
725	Update length attribute for (<??r>, <nW>)  alternative.
726	(vsx_mov<mode>_32bit): Likewise.
727
7282018-12-17  Tom de Vries  <tdevries@suse.de>
729
730	* config/nvptx/nvptx.c (PTX_VECTOR_LENGTH, PTX_WORKER_LENGTH,
731	PTX_DEFAULT_RUNTIME_DIM): Move to the top of the file.
732
7332018-12-17  Tom de Vries  <tdevries@suse.de>
734
735	* config/nvptx/nvptx.c (PTX_WARP_SIZE): Define.
736	(nvptx_simt_vf): Return PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
737
7382018-12-17  Tom de Vries  <tdevries@suse.de>
739
740	* config/nvptx/nvptx.c (nvptx_single): Fix whitespace.
741	(nvptx_neuter_pars): Likewise.
742
7432018-12-17  Tom de Vries  <tdevries@suse.de>
744
745	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Work around Fortran
746	bug PR72741 by overriding dims parameter for routines.
747
7482018-12-17  Tom de Vries  <tdevries@suse.de>
749
750	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Rewrite using
751	predicate vars.
752
7532018-12-17  Steve Ellcey  <sellcey@cavium.com>
754
755	* config/aarch64/aarch64-protos.h (aarch64_use_simple_return_insn_p):
756	New prototype.
757	(aarch64_epilogue_uses): Ditto.
758	* config/aarch64/aarch64.c (aarch64_attribute_table): New array.
759	(aarch64_simd_decl_p): New function.
760	(aarch64_reg_save_mode): New function.
761	(aarch64_function_ok_for_sibcall): Check for simd calls.
762	(aarch64_layout_frame): Check for simd function.
763	(aarch64_gen_storewb_pair): Handle E_TFmode.
764	(aarch64_push_regs): Use aarch64_reg_save_mode to get mode.
765	(aarch64_gen_loadwb_pair): Handle E_TFmode.
766	(aarch64_pop_regs): Use aarch64_reg_save_mode to get mode.
767	(aarch64_gen_store_pair): Handle E_TFmode.
768	(aarch64_gen_load_pair): Ditto.
769	(aarch64_save_callee_saves): Handle different mode sizes.
770	(aarch64_restore_callee_saves): Ditto.
771	(aarch64_components_for_bb): Check for simd function.
772	(aarch64_epilogue_uses): New function.
773	(aarch64_process_components): Check for simd function.
774	(aarch64_expand_prologue): Ditto.
775	(aarch64_expand_epilogue): Ditto.
776	(aarch64_expand_call): Ditto.
777	(aarch64_use_simple_return_insn_p): New function.
778	(TARGET_ATTRIBUTE_TABLE): New define.
779	* config/aarch64/aarch64.h (EPILOGUE_USES): Redefine.
780	(FP_SIMD_SAVED_REGNUM_P): New macro.
781	* config/aarch64/aarch64.md (simple_return): New define_expand.
782	(load_pair_dw_tftf): New instruction.
783	(store_pair_dw_tftf): Ditto.
784	(loadwb_pair<TX:mode>_<P:mode>): Ditto.
785	(storewb_pair<TX:mode>_<P:mode>): Ditto.
786
7872018-12-17  Uros Bizjak  <ubizjak@gmail.com>
788
789	PR target/88502
790	* internal-fn.def (ACOSH): New.
791	(ASINH): Ditto.
792	(ATANH): Ditto.
793	* optabs.def (acosh_optab): New.
794	(asinh_optab): Ditto.
795	(atanh_optab): Ditto.
796	* config/i386/i386-protos.h (ix86_emit_i387_asinh): New prototype.
797	(ix86_emit_i387_acosh): Ditto.
798	(ix86_emit_i387_atanh): Ditto.
799	* config/i386/i386.c (ix86_emit_i387_asinh): New function.
800	(ix86_emit_i387_acosh): Ditto.
801	(ix86_emit_i387_atanh): Ditto.
802	* config/i386/i386.md (asinhxf2): New expander.
803	(asinh<mode>2):	Ditto.
804	(acoshxf2): Ditto.
805	(acosh<mode>2): Ditto.
806	(atanhxf2): Ditto.
807	(atanh<mode>2): Ditto.
808
8092018-12-17  David Edelsohn  <dje.gcc@gmail.com>
810
811	* config.gcc (powerpc-ibm-aix6.*): Delete extra_headers.
812	(powerpc-ibm-aix7.1.*): Same.
813	(powerpc-ibm-aix[789].*): Same.
814
8152018-12-17  H.J. Lu  <hongjiu.lu@intel.com>
816
817	PR debug/79342
818	* dwarf2out.c (find_AT_string_in_table): Add insert argument
819	defaulting to INSERT and replace INSERT.
820	(find_AT_string): Likewise.
821	(output_macinfo_op): Pass NO_INSERT to find_AT_string.
822
8232018-12-15  Jan Hubicka  <hubicka@ucw.cz>
824
825	* coverage.c (struct conts_entry): Add n_counts.
826	(remap_counts_file): Record number of ocunts.
827	(get_coverage_counts): Verify that counts match.
828	* coverage.h (get_coverage_counts): Update prototype.
829	* profile.c (get_exec_counts. compute_value_histograms): Add
830	n_counts parametrs.
831
8322018-12-17  Senthil Kumar Selvaraj  <senthilkumar.selvaraj@microchip.com>
833
834	PR rtl-optimization/88253
835	* combine.c (combine_simplify_rtx): Test for side-effects before
836	substituting by zero.
837
8382018-12-17  Richard Sandiford  <richard.sandiford@arm.com>
839	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
840	    Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
841
842	* doc/invoke.texi (-fversion-loops-for-strides): Document
843	(loop-versioning-group-size, loop-versioning-max-inner-insns)
844	(loop-versioning-max-outer-insns): Document new --params.
845	* Makefile.in (OBJS): Add gimple-loop-versioning.o.
846	* common.opt (fversion-loops-for-strides): New option.
847	* opts.c (default_options_table): Enable fversion-loops-for-strides
848	at -O3.
849	* params.def (PARAM_LOOP_VERSIONING_GROUP_SIZE)
850	(PARAM_LOOP_VERSIONING_MAX_INNER_INSNS)
851	(PARAM_LOOP_VERSIONING_MAX_OUTER_INSNS): New parameters.
852	* passes.def: Add pass_loop_versioning.
853	* timevar.def (TV_LOOP_VERSIONING): New time variable.
854	* tree-ssa-propagate.h
855	(substitute_and_fold_engine::substitute_and_fold): Add an optional
856	block parameter.
857	* tree-ssa-propagate.c
858	(substitute_and_fold_engine::substitute_and_fold): Likewise.
859	When passed, only walk blocks dominated by that block.
860	* tree-vrp.h (range_includes_p): Declare.
861	(range_includes_zero_p): Turn into an inline wrapper around
862	range_includes_p.
863	* tree-vrp.c (range_includes_p): New function, generalizing...
864	(range_includes_zero_p): ...this.
865	* tree-pass.h (make_pass_loop_versioning): Declare.
866	* gimple-loop-versioning.cc: New file.
867
8682018-12-15  Jan Hubicka  <hubicka@ucw.cz>
869
870	* ipa-fnsummary.c (remap_edge_change_prob): Do not ICE when changes
871	are not streamed in.
872
8732018-12-15  H.J. Lu  <hongjiu.lu@intel.com>
874
875	PR target/88483
876	* config/i386/i386.c (ix86_finalize_stack_frame_flags): Revert
877	reversion 267133.
878
8792018-12-15  Jan Hubicka  <hubicka@ucw.cz>
880
881	* ipa-fnsummary.c (analyze_function_body): Do not loeak conds and
882	size_time_table.
883	(ipa_fn_summary_generate): Add prevails parameter; do not allocate
884	data when symbol is not prevailing.
885	(inline_read_section): Likewise.
886
8872018-12-15  Jan Hubicka  <hubicka@ucw.cz>
888
889	* cgraph.h (cgraph_node): Add predicate prevailing_p.
890	(cgraph_edge): Add predicate possible_call_in_translation_unit_p.
891	* ipa-prop.c (ipa_write_jump_function): Optimize streaming of ADDR_EXPR.
892	(ipa_read_jump_function): Add prevails parameter; optimize streaming.
893	(ipa_read_edge_info): Break out from ...
894	(ipa_read_node_info): ... here; optimize streaming.
895	* cgraph.c (cgraph_edge::possibly_call_in_translation_unit_p): New
896	predicate.
897
8982018-12-15  Jan Hubicka  <hubicka@ucw.cz>
899
900	* ipa-utils.c (ipa_merge_profiles): Do no merging when source function
901	has zero count.
902
9032018-12-15  Jakub Jelinek  <jakub@redhat.com>
904
905	PR tree-optimization/88464
906	PR target/88498
907	* tree-vect-stmts.c (vect_build_gather_load_calls): For NARROWING
908	and mask with integral masktype, don't try to permute mask vectors,
909	instead emit VEC_UNPACK_{LO,HI}_EXPR.  Fix up NOP_EXPR operand.
910	(vectorizable_store): Handle masked scatters with decl and integral
911	mask type.
912	(permute_vec_elements): Allow scalar_dest to be NULL.
913	* config/i386/i386.c (ix86_get_builtin)
914	<case IX86_BUILTIN_GATHER3ALTDIV16SF>: Use lowpart_subreg for masks.
915	<case IX86_BUILTIN_GATHER3ALTDIV8SF>: Don't assume mask and src have
916	to be the same.
917
9182018-12-15  Jan Hubicka  <hubicka@ucw.cz>
919
920	* ipa.c (cgraph_build_static_cdtor_1): Add OPTIMIZATION and TARGET
921	parameters.
922	(cgraph_build_static_cdtor): Update.
923	(build_cdtor): Use OPTIMIZATION and TARGET of the first real cdtor
924	callsed.
925
9262018-12-15  Alan Modra  <amodra@gmail.com>
927
928	* config/rs6000/rs6000.c (generate_set_vrsave, rs6000_emit_savres_rtx),
929	(rs6000_emit_prologue, rs6000_call_aix, rs6000_call_sysv),
930	(rs6000_call_darwin_1): Use gen_hard_reg_clobber.
931
9322018-12-15  Jakub Jelinek  <jakub@redhat.com>
933
934	PR target/88489
935	* config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
936	(avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
937	instead of UNSPEC_FIXUPIMM.
938
939	PR rtl-optimization/88478
940	* cselib.c (cselib_record_sets): Move sets[i].src_elt tests
941	after REG_P (dest) test.
942
9432018-12-14  Martin Sebor  <msebor@redhat.com>
944
945	PR tree-optimization/88372
946	* calls.c (maybe_warn_alloc_args_overflow): Handle function pointers.
947	* tree-object-size.c (alloc_object_size): Same.  Simplify.
948	* doc/extend.texi (Object Size Checking): Update.
949	(Other Builtins): Add __builtin_object_size.
950	(Common Type Attributes): Add alloc_size.
951	(Common Variable Attributes): Ditto.
952
9532018-12-14  Martin Sebor  <msebor@redhat.com>
954
955	PR rtl-optimization/87096
956	* gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call): Avoid
957	folding calls whose bound may exceed INT_MAX.  Diagnose bound ranges
958	that exceed the limit.
959
9602018-12-14  Martin Sebor  <msebor@redhat.com>
961
962	PR web/79738
963	* doc/extend.texi (attribute const, pure): Clarify.
964
9652018-12-14  H.J. Lu  <hongjiu.lu@intel.com>
966
967	* config/i386/i386.c (rest_of_insert_endbranch): Insert ENDBR
968	at the function entry only when -mmanual-endbr isn't used or
969	there is cf_check function attribute.
970	(ix86_attribute_table): Add cf_check.
971	* config/i386/i386.opt: Add -mmanual-endbr.
972	* doc/extend.texi: Document cf_check attribute.
973	* doc/invoke.texi: Document -mmanual-endbr.
974
9752018-12-14  Thomas Schwinge  <thomas@codesourcery.com>
976	    Cesar Philippidis  <cesar@codesourcery.com>
977
978	* omp-offload.c (inform_oacc_loop): New function.
979	(execute_oacc_device_lower): Use it to display loop parallelism.
980
9812018-12-14  Jakub Jelinek  <jakub@redhat.com>
982
983	PR c++/82294
984	PR c++/87436
985	* expr.h (categorize_ctor_elements): Add p_unique_nz_elts argument.
986	* expr.c (categorize_ctor_elements_1): Likewise.  Compute it like
987	p_nz_elts, except don't multiply it by mult.  Adjust recursive call.
988	Fix up COMPLEX_CST handling.
989	(categorize_ctor_elements): Add p_unique_nz_elts argument, initialize
990	it and pass it through to categorize_ctor_elements_1.
991	(mostly_zeros_p, all_zeros_p): Adjust categorize_ctor_elements callers.
992	* gimplify.c (gimplify_init_constructor): Likewise.  Don't force
993	ctor into readonly data section if num_unique_nonzero_elements is
994	smaller or equal to 1/8 of num_nonzero_elements and size is >= 64
995	bytes.
996
9972018-12-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
998
999	* config/arm/arm.md (arm_movdi): Split if -mslow-flash-data and
1000	source is a constant that would be loaded by literal pool.
1001	(movsf expander): Generate a no_literal_pool_sf_immediate insn if
1002	-mslow-flash-data is present, targeting hardfloat ABI and source is a
1003	float constant that cannot be loaded via vmov.
1004	(movdf expander): Likewise but generate a no_literal_pool_df_immediate
1005	insn.
1006	(arm_movsf_soft_insn): Split if -mslow-flash-data and source is a
1007	float constant that would be loaded by literal pool.
1008	(softfloat constant movsf splitter): Splitter for the above case.
1009	(movdf_soft_insn): Split if -mslow-flash-data and source is a float
1010	constant that would be loaded by literal pool.
1011	(softfloat constant movdf splitter): Splitter for the above case.
1012	* config/arm/constraints.md (Pz): Document existing constraint.
1013	(Ha): Define constraint.
1014	(Tu): Likewise.
1015	* config/arm/predicates.md (hard_sf_operand): New predicate.
1016	(hard_df_operand): Likewise.
1017	* config/arm/thumb2.md (thumb2_movsi_insn): Split if
1018	-mslow-flash-data and constant would be loaded by literal pool.
1019	* constant/arm/vfp.md (thumb2_movsi_vfp): Likewise and disable constant
1020	load in VFP register.
1021	(movdi_vfp): Likewise.
1022	(thumb2_movsf_vfp): Use hard_sf_operand as predicate for source to
1023	prevent match for a constant load if -mslow-flash-data and constant
1024	cannot be loaded via vmov.  Adapt constraint accordingly by
1025	using Ha instead of E for generic floating-point constant load.
1026	(thumb2_movdf_vfp): Likewise using hard_df_operand predicate instead.
1027	(no_literal_pool_df_immediate): Add a clobber to use as the
1028	intermediate general purpose register and also enable it after reload
1029	but disable it constant is a valid FP constant.  Add constraints and
1030	generate a DI intermediate load rather than 2 SI loads.
1031	(no_literal_pool_sf_immediate): Add a clobber to use as the
1032	intermediate general purpose register and also enable it after
1033	reload.
1034
10352018-12-14  Uros Bizjak  <ubizjak@gmail.com>
1036
1037	PR target/88474
1038	* internal-fn.def (HYPOT): New.
1039	* optabs.def (hypot_optab): New.
1040	* config/i386/i386.md (hypot<mode>3): New expander.
1041
10422018-12-14  Jeff Law  <law@redhat.com>
1043
1044	* target.def (post_cfi_startproc): Fix text.
1045
10462018-12-14  Sam Tebbs  <sam.tebbs@arm.com>
1047
1048	* doc/tm.texi (TARGET_ASM_POST_CFI_STARTPROC): Define.
1049	* doc/tm.texi.in (TARGET_ASM_POST_CFI_STARTPROC): Define.
1050	* dwarf2out.c (dwarf2out_do_cfi_startproc): Trigger the hook.
1051	* hooks.c (hook_void_FILEptr_tree): Define.
1052	* hooks.h (hook_void_FILEptr_tree): Define.
1053	* target.def (post_cfi_startproc): Define.
1054
10552018-12-14  Tom de Vries  <tdevries@suse.de>
1056
1057	* lto-cgraph.c (verify_node_partition): New function.
1058	(input_overwrite_node, input_varpool_node): Use verify_node_partition.
1059
10602018-12-14  H.J. Lu  <hongjiu.lu@intel.com>
1061
1062	PR target/88483
1063	* config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
1064	use get_frame_size ().
1065
10662018-12-14  Andrew Stubbs  <ams@codesourcery.com>
1067
1068	* gcc/lra-int.h (lra_register_new_scratch_op): Add third parameter.
1069	* gcc/lra-remat.c (update_scratch_ops): Pass icode to
1070	lra_register_new_scratch_op.
1071	* gcc/lra.c (struct sloc): Add icode field.
1072	(lra_register_new_scratch_op): Add icode parameter.
1073	Use icode to skip insns that have changed beyond recognition.
1074
10752018-12-14  Eric Botcazou  <ebotcazou@adacore.com>
1076
1077	* dwarf2out.c (analyze_discr_in_predicate): Simplify.
1078	(analyze_variants_discr): Deal with naked boolean discriminants.
1079
10802018-12-14  Claudiu Zissulescu  <claziss@synopsys.com>
1081
1082	* config/arc/arc.c (arc_restore_callee_milli) Don't clobber off
1083	variable.
1084
10852018-12-14  Claudiu Zissulescu  <claziss@synopsys.com>
1086
1087	* config/arc/arc.h (reg_class): Add SIBCALL_REGS.
1088
10892018-12-14  Richard Biener  <rguenther@suse.de>
1090
1091	* gimple-ssa-split-paths.c (is_feasible_trace): Remove
1092	duplicated code block.
1093
10942018-12-14  Alan Modra  <amodra@gmail.com>
1095
1096	PR rtl-optimization/88311
1097	* config/rs6000/rs6000.c (rs6000_call_sysv): Do not mask cookie.
1098	(rs6000_sibcall_sysv): Likewise.
1099
11002018-12-14  Segher Boessenkool  <segher@kernel.crashing.org>
1101
1102	PR rtl-optimization/88001
1103	* function.c (match_asm_constraints_1): Don't invalidly share RTL.
1104
11052018-12-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1106
1107	* auto-profile.c (afdo_annotate_cfg): Call update_max_bb_count even
1108	if autofdo counts are all zeros.
1109
11102018-12-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1111
1112	* auto-profile.c (afdo_indirect_call): Skip generating histogram
1113	value for internal call.
1114
11152018-12-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1116
1117	* auto-profile.c (AFDO_EINFO): New macro.
1118	(class edge_info): New class.
1119	(is_edge_annotated, set_edge_annotated): Delete.
1120	(afdo_propagate_edge, afdo_propagate_circuit, afdo_propagate): Remove
1121	parameter.  Adjust edge count computation and annotation using class
1122	edge_info.
1123	(afdo_calculate_branch_prob, afdo_annotate_cfg): Likewise.
1124
11252018-12-13  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
1126
1127	* ipa-cp.c (print_all_lattices): Skip cp clones.
1128
1129	* ipa-cp.c: Fix various comment typos.
1130
11312018-12-13  Jakub Jelinek  <jakub@redhat.com>
1132
1133	PR tree-optimization/88444
1134	* tree-inline.c (fold_marked_statements): Iterate up to
1135	last_basic_block_for_fn rather than n_basic_blocks_for_fn.
1136
1137	PR rtl-optimization/88470
1138	* cfgcleanup.c (outgoing_edges_match): If the function is
1139	shrink-wrapped and bb1 ends with a JUMP_INSN with a single fake
1140	edge to EXIT, return false.
1141
11422018-12-13  Martin Sebor  <msebor@redhat.com>
1143
1144	* doc/extend.texi: Consistently use @code for const and volatile
1145	qualifiers, the true and false constants, and asm statements.
1146
11472018-12-13  Vladimir Makarov  <vmakarov@redhat.com>
1148
1149	PR rtl-optimization/88414
1150	* lra-int.h (lra_asm_error_p): New.
1151	* lra-assigns.c (lra_assign): Check lra_asm_error_p for checking
1152	call crossed pseudo assignment correctness.
1153	(lra_split_hard_reg_for): Set up lra_asm_error_p.
1154	* lra-constraints.c (curr_insn_transform): Ditto.
1155	* lra.c (lra_asm_error_p): New.
1156	(lra): Reset lra_asm_error_p.
1157
11582018-12-13  Jakub Jelinek  <jakub@redhat.com>
1159
1160	PR rtl-optimization/88416
1161	* valtrack.c (cleanup_auto_inc_dec): Handle pre/post-inc/dec/modify
1162	even if !AUTO_INC_DEC.
1163
11642018-12-13  David Edelsohn  <dje.gcc@gmail.com>
1165
1166	* config/rs6000/rs6000.c (rs6000_function_arg): Ensure type is
1167	non-NULL.
1168	(rs6000_arg_partial_bytes): Same.
1169
11702018-12-13  Jason Merrill  <jason@redhat.com>
1171
1172	* gdbinit.in (pp): New macro.
1173	(pbb): Remove.
1174
11752018-12-13  Jakub Jelinek  <jakub@redhat.com>
1176
1177	PR tree-optimization/88464
1178	* tree-vect-stmts.c (vect_build_gather_load_calls): Handle INTEGER_TYPE
1179	masktype if mask is non-NULL.
1180	(vectorizable_load): Don't reject masked gather loads if masktype
1181	in the decl is INTEGER_TYPE.
1182
11832018-12-13  Andreas Krebbel  <krebbel@linux.ibm.com>
1184
1185	* config/s390/s390-builtins.def (s390_vec_double_s64): Map to
1186	s390_vec_double_s64 instead of s390_vcdgb.
1187	(s390_vec_double_u64): Map to s390_vec_double_u64 instead of
1188	s390_vcdlgb.
1189
11902018-12-13  Andreas Krebbel  <krebbel@linux.ibm.com>
1191
1192	* config/s390/vx-builtins.md ("vec_ctd_s64", "vec_ctd_u64")
1193	("vec_ctsl", "vec_ctul"): Replace 0 with VEC_NOINEXACT.
1194	("vec_double_s64", "vec_double_u64"): Replace 4 with VEC_INEXACT.
1195
11962018-12-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1197
1198	* doc/invoke.texi (-msve-vector-bits): Clarify -msve-vector-bits=128
1199	behavior.
1200
12012018-12-13  Wei Xiao  <wei3.xiao@intel.com>
1202
1203	* common/config/i386/i386-common.c (processor_names): Add cascadelake.
1204	(processor_alias_table): Add cascadelake.
1205	* config.gcc: Add -march=cascadelake.
1206	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
1207	cascadelake.
1208	* config/i386/i386.c (Add m_CASCADELAKE): New.
1209	(processor_cost_table): Add cascadelake.
1210	(get_builtin_code_for_version): Handle cascadelake.
1211	* config/i386/i386.h (TARGET_CASCADELAKE, PROCESSOR_CASCADELAKE): New.
1212	(PTA_CASCADELAKE): Ditto.
1213	* doc/invoke.texi: Add -march=cascadelake.
1214
12152018-12-13  Jakub Jelinek  <jakub@redhat.com>
1216
1217	PR target/88465
1218	* config/i386/i386.md (*movdi_internal, *movsi_internal,
1219	*movhi_internal, *movqi_internal): Add alternative(s) to load
1220	0 or -1 into k registers using kxor or kxnoq instructions.
1221
1222	PR target/88461
1223	* config/i386/sse.md (VI1248_AVX512VLBW, AVX512ZEXTMASK): New
1224	mode iterators.
1225	(<avx512>_testm<mode>3<mask_scalar_merge_name>,
1226	<avx512>_testnm<mode>3<mask_scalar_merge_name>): Merge patterns
1227	with VI12_AVX512VL and VI48_AVX512VL iterators into ones with
1228	VI1248_AVX512VLBW iterator.
1229	(*<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
1230	*<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
1231	*<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
1232	*<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask): New
1233	define_insns.
1234
1235	PR target/88461
1236	* config/i386/i386.md (*zero_extendsidi2, zero_extend<mode>di2,
1237	*zero_extend<mode>si2, *zero_extendqihi2): Add =*k, *km alternatives.
1238
12392018-12-12  Tom de Vries  <tdevries@suse.de>
1240	    Jakub Jelinek  <jakub@redhat.com>
1241
1242	* omp-builtins.def (BUILT_IN_GOMP_LOOP_NONMONOTONIC_RUNTIME_START,
1243	BUILT_IN_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_START,
1244	BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_START,
1245	BUILT_IN_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_START,
1246	BUILT_IN_GOMP_PARALLEL_LOOP_NONMONOTONIC_RUNTIME,
1247	BUILT_IN_GOMP_PARALLEL_LOOP_MAYBE_NONMONOTONIC_RUNTIME): Fix up
1248	function types - remove one argument.
1249
12502018-12-12  Martin Sebor  <msebor@redhat.com>
1251
1252	* doc/extend.texi (attribute copy): Fix typos.
1253
12542018-12-12  Martin Sebor  <msebor@redhat.com>
1255
1256	* doc/extend.texi (Function Attributes): Clarify C++ aspects.
1257	(Variable Attributes): Same.
1258	(Type Attributes): Same.
1259
12602018-12-12  Olivier Hainque  <hainque@adacore.com>
1261
1262	* config/aarch64/aarch64.c (aarch64_override_options): Once arch,
1263	cpu and tune were validated, insert SUBTARGET_OVERRIDE_OPTIONS if
1264	defined.
1265
12662018-12-12  Olivier Hainque  <hainque@adacore.com>
1267
1268	* config/aarch64/aarch64.c (PROBE_STACK_FIRST_REG) : Redefine as
1269	R9_REGNUM instead of 9.
1270	(PROBE_STACK_SECOND_REG): Redefine as R10_REGNUM instead of 10.
1271
12722018-12-12  Eric Botcazou  <ebotcazou@adacore.com>
1273
1274	PR target/86806
1275	* config/sparc/sparc.md (unspecv): Add UNSPECV_SPECULATION_BARRIER.
1276	(speculation_barrier): New instruction for V9.
1277
12782018-12-12  Segher Boessenkool  <segher@kernel.crashing.org>
1279	    Iain Sandoe  <iain@sandoe.co.uk>
1280
1281	PR target/88343
1282	* config/rs6000/rs6000.c (save_reg_p): Do not save the picbase reg
1283	unless it has been used.
1284	(first_reg_to_save): Remove dead code.
1285
12862018-12-12  Iain Sandoe  <iain@sandoe.co.uk>
1287
1288	* config/rs6000/rs6000-protos.h (rs6000_call_darwin): New.
1289	(rs6000_sibcall_darwin): New. (macho_call_template): Remove.
1290	* config/rs6000/rs6000.c (get_prev_label): Forward declaration.
1291	(rs6000_call_template_1): Handle Darwin.
1292	(macho_call_template): Remove.
1293	(rs6000_call_sysv): Remove handling for Darwin.
1294	(rs6000_call_darwin_1, rs6000_call_darwin): New
1295	(rs6000_sibcall_darwin): New.
1296	* config/rs6000/rs6000.md (define_expand “call”): Handle Darwin
1297	with its own expander. (define_expand “call_value”): Likewise.
1298	(define_expand “sibcall”): Likewise.
1299	(define_expand “sibcall_value”): Likewise.
1300	(call_nonlocal_sysv): Remove Darwin special-casing.
1301	(call_value_nonlocal_sysv): Likewise.
1302
13032018-12-12  Iain Sandoe  <iain@sandoe.co.uk>
1304
1305	* config/rs6000/darwin.md (call_indirect_nonlocal_darwin64): Remove.
1306	(call_nonlocal_darwin64): Remove.
1307	(call_value_indirect_nonlocal_darwin64): Remove.
1308	(call_value_nonlocal_darwin64): Remove.
1309	* config/rs6000/rs6000.c (rs6000_call_template_1): Handle Darwin with
1310	the same asm output as AIX/ELFv2.  (rs6000_call_sysv): Preserve the
1311	CALL_LONG flag when needed for Darwin.
1312	* config/rs6000/rs6000.md (define expand “call”): Expand Darwin as
1313	per sysv.
1314	(define_expand “call_value”): Likewise.
1315	(define_expand “sibcall”): Likewise.
1316	(define_expand “sibcall_value”): Likewise.
1317	(call_indirect_nonlocal_sysv): Mark the clobber mode P.
1318	(call_nonlocal_sysv): Likewise.
1319	(call_nonlocal_sysv_secure): Likewise.
1320	(call_value_indirect_nonlocal_sysv): Likewise.
1321	(call_value_nonlocal_sysv): Likewise.
1322	(call_value_nonlocal_sysv_secure): Likewise.
1323	(call_local64): Mark the clobber DI.
1324	(call_value_local64): Likewise.
1325
13262018-12-11  Jakub Jelinek  <jakub@redhat.com>
1327
1328	PR tree-optimization/88444
1329	* tree-vrp.c (register_edge_assert_for_2): Only register assertions
1330	for conversions if rhs1 is a SSA_NAME.
1331
13322018-12-11  Dimitar Dimitrov  <dimitar@dinux.eu>
1333
1334	* cfgexpand.c (asm_clobber_reg_is_valid): Also produce
1335	error when stack pointer is clobbered.
1336	(expand_asm_stmt): Refactor clobber check in separate function.
1337
13382018-12-11  Eric Botcazou  <ebotcazou@adacore.com>
1339
1340	* config/rs6000/vxworks.h (RS6000_STARTING_FRAME_OFFSET): Define,
1341	accounting for STACK_BOUNDARY 128.
1342	(STACK_DYNAMIC_OFFSET): Likewise.
1343
13442018-12-11  Jakub Jelinek  <jakub@redhat.com>
1345
1346	PR target/88425
1347	* config/i386/i386.md (*x86_mov<SWI48:mode>cc_0_m1_neg_leu<SWI:mode>):
1348	New define_insn_and_split.
1349
13502018-12-11  Richard Biener  <rguenther@suse.de>
1351
1352	PR middle-end/88448
1353	PR middle-end/88415
1354	* gimple.c (gimple_assign_set_rhs_with_ops): Revert previous
1355	change.
1356	* tree-complex.c (update_complex_assignment): Properly transfer
1357	or clean EH info around gimple_assign_set_rhs_with_ops.
1358
13592018-12-11  Richard Earnshaw  <rearnsha@arm.com>
1360
1361	PR target/87369
1362	* config/aarch64/iterators.md (sizem1): Add sizes for SFmode and DFmode.
1363	(Vbtype): Add SFmode mapping.
1364	* config/aarch64/aarch64.md (copysigndf3, copysignsf3): Delete.
1365	(copysign<GPF:mode>3): New expand pattern.
1366	(copysign<GPF:mode>3_insn): New insn pattern.
1367
13682018-12-11  Richard Biener  <rguenther@suse.de>
1369
1370	* ccmp.c (ccmp_candidate_p): Use GIMPLE API properly.
1371
13722018-12-11  Jakub Jelinek  <jakub@redhat.com>
1373
1374	PR lto/86004
1375	* doc/sourcebuild.texi (lto_incremental): Document new effective
1376	target.
1377
13782018-12-11  Segher Boessenkool  <segher@kernel.crashing.org>
1379
1380	PR target/88145
1381	* config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): Use
1382	rs6000_isa_flags instead of rs6000_isa_flags_explicit to decide
1383	whether soft float is enabled.
1384	(rs6000_expand_mtfsb_builtin): Ditto.
1385	(rs6000_expand_set_fpscr_rn_builtin): Ditto.
1386	(rs6000_expand_set_fpscr_drn_builtin): Ditto.
1387
13882018-12-10  Jeff Law  <law@redhat.com>
1389
1390	PR tree-optimization/80520
1391	* gimple-ssa-split-paths.c (is_feasible_trace): Recognize half
1392	diamonds that are likely if convertable.
1393
13942018-12-10  Martin Sebor  <msebor@redhat.com>
1395
1396	PR tree-optimization/86196
1397	* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use
1398	base size only of arrays.
1399
14002018-12-10  Segher Boessenkool  <segher@kernel.crashing.org>
1401
1402	* config.gcc (Obsolete configurations): Delete powerpc*-*-*spe*.
1403	(Unsupported targets): Add powerpc*-*-*spe*.
1404	(powerpc*-*-*spe*): Delete.
1405	(powerpc-*-eabispe*): Delete.
1406	(powerpc-*-rtems*spe*): Delete.
1407	(powerpc*-*-linux*spe*): Delete.
1408	(powerpc*-*-linux*): Do not handle the linux*spe* targets.
1409	(powerpc-wrs-vxworks*spe): Delete.
1410	(with_cpu setting code): Delete powerpc*-*-*spe* handling.
1411	* config.host (target powerpc*-*-*spe*): Delete.
1412	* doc/invoke.texi (PowerPC SPE Options): Delete.
1413	(PowerPC SPE Options): Delete.
1414	* config/powerpcspe: Delete.
1415
14162018-12-10  Uros Bizjak  <ubizjak@gmail.com>
1417
1418	PR target/88418
1419	* config/i386/i386.c (ix86_expand_sse_cmp): For vector modes,
1420	check operand 1 with vector_operand predicate.
1421	(ix86_expand_sse_movcc): For vector modes, check op_true with
1422	vector_operand, not nonimmediate_operand.
1423
14242018-12-10  Richard Biener  <rguenther@suse.de>
1425
1426	* tree-affine.c (tree_to_aff_combination): Remove unreachable
1427	MEM_REF case.
1428	(aff_combination_expand): Cache on SSA names, not possibly
1429	on conversion trees.  Avoid expanding cases we do not handle.
1430
14312018-12-10  Richard Biener  <rguenther@suse.de>
1432
1433	PR tree-optimization/88427
1434	* vr-values.c (vr_values::extract_range_from_phi_node):
1435	Handle symbolic ranges conservatively when trying to drop
1436	to Inf +- 1.
1437
14382018-12-10  Martin Jambor  <mjambor@suse.cz>
1439
1440	PR ipa/88214
1441	* ipa-prop.c (determine_locally_known_aggregate_parts): Make sure
1442	we check pointers against pointers.
1443
14442018-12-10  Richard Biener  <rguenther@suse.de>
1445
1446	PR middle-end/88415
1447	* gimple.c (gimple_assign_set_rhs_with_ops): Transfer EH
1448	info to a newly allocated stmt.
1449
14502018-12-10  Jerome Lambourg  <lambourg@adacore.com>
1451
1452	* config/vxworksae.h (TARGET_VXWORKS_HAVE_CTORS_DTORS): Define.
1453
14542018-12-10  Fredrik Nyström  <fredrik@lysator.liu.se>
1455
1456	PR bootstrap/65725
1457	* config/sol2.h: Only use libgcc-unwind.map if
1458	ENABLE_SHARED_LIBGCC.
1459
14602018-12-10  Bin Cheng  <bin.cheng@linux.alibaba.com>
1461
1462	* auto-profile.c (afdo_calculate_branch_prob): Convert profile_count
1463	to afdo precision quality.
1464	(afdo_callsite_hot_enough_for_early_inline): Likewise.
1465	(afdo_annotate_cfg): Set profile_count for exit basic block.
1466
14672018-12-10  Bin Cheng  <bin.cheng@linux.alibaba.com>
1468
1469	* auto-profile.c (string_table::get_index_by_decl)
1470	(function_instance::get_function_instance_by_decl): Avoid infinite
1471	recursion by using DECL_FROM_INLINE.
1472
14732018-12-09  John David Anglin  <danglin@gcc.gnu.org>
1474
1475	* config.gcc (hppa*-*-linux*): Add pa/t-pa to tmake_file.  Define
1476	d_target_objs.
1477	* config/pa/pa-protos.h (pa_d_target_versions): New prototype.
1478	* config/pa/pa.h (TARGET_D_CPU_VERSIONS): Define.
1479	* config/pa/pa-d.c: New file.
1480	* config/pa/t-pa: New file.
1481
14822018-12-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1483
1484	* ipa-cp.c (update_profiling_info): Call adjust_for_ipa_scaling for
1485	zero profile count.
1486
14872018-12-08  Jakub Jelinek  <jakub@redhat.com>
1488
1489	PR fortran/88304
1490	* tree-nested.c (convert_local_reference_stmt): Handle clobbers where
1491	lhs is not a decl normally, don't call use_pointer_in_frame on that
1492	lhs.
1493
14942018-12-08  Eric Botcazou  <ebotcazou@adacore.com>
1495
1496	PR rtl-optimization/88390
1497	* dwarf2cfi.c (struct dw_cfi_row): Add window_save field.
1498	(cfi_row_equal_p): Compare it.
1499	(dwarf2out_frame_debug_cfa_window_save): Add FAKE parameter.
1500	If FAKE is false, set window_save of the current row.
1501	(dwarf2out_frame_debug) <REG_CFA_TOGGLE_RA_MANGLE>: Call above
1502	function with FAKE parameter set to true.
1503	<REG_CFA_WINDOW_SAVE>: Likewise but with FAKE parameter set to false.
1504	(change_cfi_row): Emit a DW_CFA_GNU_window_save if necessary.
1505
15062018-12-07  Peter Bergner  <bergner@linux.ibm.com>
1507
1508	PR target/87496
1509	* config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
1510	-mabi=ieeelongdouble and -mabi=ibmlongdouble without -mlong-double-128.
1511	Do not error for -mabi=ibmlongdouble and no ISA 2.06 support.
1512	* doc/invoke.texi: Document -mabi=ibmlongdouble and -mabi=ieeelongdouble
1513	require -mlong-double-128.
1514
15152018-12-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1516
1517	* config/aarch64/aarch64.c (aarch64_tuning_override_functions): Add
1518	sve_width entry.
1519	(aarch64_parse_sve_width_string): Define.
1520
15212018-12-07  Jeff Law  <law@redhat.com>
1522
1523	PR middle-end/87813
1524	* gimple-ssa-evrp-analyze.h (class evrp_range_analyzer): Add
1525	m_update_global_ranges member.  Add corresponding argument to ctor.
1526	* gimple-ssa-evrp-analyze.c
1527	(evrp_range_analyzer::evrp_range_analyzer): Add new argument and
1528	initialize m_update_global_ranges.
1529	(evrp_range_analyzer::set_ssa_range_info): Assert that we are
1530	updating global ranges.
1531	(evrp_range_analyzer::record_ranges_from_incoming_edge): Only
1532	update global ranges if explicitly requested.
1533	(evrp_range_analyzer::record_ranges_from_phis): Similarly.
1534	(evrp_range_analyzer::record_ranges_from_stmt): Similarly.
1535	* gimple-ssa-evrp.c (evrp_dom_walker): Pass new argument to
1536	evrp_range_analyzer ctor.
1537	* gimple-ssa-sprintf.c (sprintf_dom_walker): Similarly.
1538	* tree-ssa-dom.c (dom_opt_dom_walker): Similarly.
1539
15402018-12-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1541
1542	* config/aarch64/aarch64-opts.h (aarch64_sve_vector_bits_enum):
1543	Add SVE_NOT_IMPLEMENTED value.
1544	* config/aarch64/aarch64-protos.h (struct tune_params): Add sve_width
1545	field.
1546	* config/aarch64/aarch64.c (generic_tunings,cortexa35_tunings,
1547	cortexa53_tunings, cortexa57_tunings, cortexa72_tunings,
1548	cortexa73_tunings, exynosm1_tunings, thunderx_tunings,
1549	thunderx_tunings, tsv110_tunings, xgene1_tunings, qdf24xx_tunings,
1550	saphira_tunings, thunderx2t99_tunings, emag_tunings):
1551	Specify sve_width.
1552	(aarch64_estimated_poly_value): Define.
1553	(TARGET_ESTIMATED_POLY_VALUE): Define.
1554
15552018-12-07  Paul A. Clarke  <pc@us.ibm.com>
1556
1557	PR target/88408
1558	* config/rs6000/mmintrin.h (_mm_packs_pu16): Correctly use "__vector".
1559
15602018-12-07  Vladimir Makarov  <vmakarov@redhat.com>
1561
1562	PR rtl-optimization/88349
1563	* ira-costs.c (record_operand_costs): Check bigger reg class on
1564	NO_REGS.
1565
15662018-12-07  Richard Sandiford  <richard.sandiford@arm.com>
1567
1568	* config/aarch64/aarch64-sve.md (*mul<mode>3, *v<optab><mode>3):
1569	Split the patterns after reload if we don't need the predicate
1570	operand.
1571	(*post_ra_mul<mode>3, *post_ra_v<optab><mode>3): New patterns.
1572
15732018-12-07  Richard Sandiford  <richard.sandiford@arm.com>
1574
1575	* config/aarch64/iterators.md (SVE_UNPRED_FP_BINARY): New code
1576	iterator.
1577	(sve_fp_op): Handle minus and mult.
1578	* config/aarch64/aarch64-sve.md (*add<mode>3, *sub<mode>3)
1579	(*mul<mode>3): Split the patterns after reload if we don't
1580	need the predicate operand.
1581	(*post_ra_<sve_fp_op><mode>3): New pattern.
1582
15832018-12-07  Bin Cheng  <bin.cheng@linux.alibaba.com>
1584
1585	* profile-count.h (profile_count::oeprator>=): Fix typo by inverting
1586	return condition when *this is precise zero.
1587
15882018-12-07  Jakub Jelinek  <jakub@redhat.com>
1589
1590	PR target/85593
1591	* final.c (rest_of_handle_final): Don't call collect_fn_hard_reg_usage
1592	for functions with naked attribute.
1593
1594	PR c/88367
1595	* tree-vrp.c (extract_range_from_binary_expr): For POINTER_PLUS_EXPR
1596	with -fno-delete-null-pointer-checks, set_nonnull only if the pointer
1597	is non-NULL and offset is known to have most significant bit clear.
1598	* vr-values.c (vr_values::vrp_stmt_computes_nonzero): For ADDR_EXPR
1599	of MEM_EXPR, return true if the MEM_EXPR has non-zero offset with
1600	most significant bit clear.  If offset does have most significant bit
1601	set and -fno-delete-null-pointer-checks, don't return true even if
1602	the base pointer is non-NULL.
1603
16042018-12-06  Alexandre Oliva  <aoliva@redhat.com>
1605
1606	* cselib.c (cselib_record_sets): Skip strict low part sets
1607	with NULL src_elt.
1608
16092018-12-06  Paul A. Clarke  <pc@us.ibm.com>
1610
1611	PR target/88316
1612	* config/rs6000/smmintrin.h: New file.
1613	* config.gcc: Add smmintrin.h to extra_headers for powerpc*-*-*.
1614
16152018-12-06  Paul A. Clarke  <pc@us.ibm.com>
1616
1617	PR target/88316
1618	* config/rs6000/mmintrin.h (_mm_unpackhi_pi8): Fix for big-endian.
1619	(_mm_unpacklo_pi8): Likewise.
1620	(_mm_mulhi_pi16): Likewise.
1621	(_mm_packs_pi16): Fix for big-endian. Use preferred API.
1622	(_mm_packs_pi32): Likewise.
1623	(_mm_packs_pu16): Likewise.
1624	* config/rs6000/xmmintrin.h (_mm_cvtss_si32): Fix for big-endian.
1625	(_mm_cvtss_si64): Likewise.
1626	(_mm_cvtpi32x2_ps): Likewise.
1627	(_mm_shuffle_ps): Likewise.
1628	(_mm_movemask_pi8): Likewise.
1629	(_mm_mulhi_pu16): Likewise.
1630	(_mm_sad_pu8): Likewise.
1631	(_mm_sad_pu8): Likewise.
1632	(_mm_cvtpu16_ps): Fix for big-endian. Use preferred API.
1633	(_mm_cvtpu8_ps): Likewise.
1634	(_mm_movemask_ps): Better #else case for big-endian (no functional
1635	change).
1636	(_mm_shuffle_pi16): Likewise.
1637	* config/rs6000/emmintrin.h (_mm_movemask_pd): Fix for big-endian.
1638	Better #else case for big-endian (no functional change).
1639	(_mm_movemask_epi8): Likewise.
1640	(_mm_shufflehi_epi16): Likewise.
1641	(_mm_shufflelo_epi16): Likewise.
1642	(_mm_shuffle_epi32): Likewise.
1643	(_mm_mul_epu32): Fix for big-endian.
1644	(_mm_bsrli_si128): Likewise.
1645	(_mm_cvtps_pd): Better #else case for big endian.
1646	(_mm_mulhi_epi16): Likewise.
1647	(_mm_mul_epu32): Likewise.
1648	(_mm_slli_si128): Likewise.
1649	(_mm_sll_epi16): Likewise.
1650	(_mm_sll_epi32): Likewise.
1651	(_mm_sra_epi16): Likewise.
1652	(_mm_sra_epi32): Likewise.
1653	(_mm_srl_epi16): Likewise.
1654	(_mm_srl_epi32): Likewise.
1655	(_mm_mulhi_epu16): Likewise.
1656	(_mm_sad_epu8): Likewise.
1657	* config/rs6000/pmmintrin.h (_mm_hadd_ps): Fix for big-endian.
1658	(_mm_sub_ps): Likewise.
1659	* config/rs6000/mmintrin.h (_mm_cmpeq_pi8): Fix for 32-bit mode.
1660	* gcc/config/rs6000/tmmintrin.h (_mm_alignr_epi8): Use ENDIAN
1661	macros consistently (no functional changes).
1662	(_mm_alignr_pi8): Likewise.
1663
16642018-12-06  Iain Sandoe  <iain@sandoe.co.uk>
1665
1666	PR c++/87380
1667	* config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC) Remove, use the
1668	default.
1669	* config/rs6000/darwin7.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New.
1670
16712018-12-06  Vladimir Makarov  <vmakarov@redhat.com>
1672
1673	PR target/88282
1674	* ira.c (ira_init_register_move_cost): Use info from
1675	hard_regno_mode_ok instead of contains_reg_of_mode.
1676	* ira-costs.c (contains_reg_of_mode): Don't use cost from bigger
1677	hard register class for some fixed hard registers.
1678
16792018-12-06  Segher Boessenkool  <segher@kernel.crashing.org>
1680
1681	* doc/extend.texi (Using Assembly Language with C): Document asm inline.
1682	(Size of an asm): Fix typo.  Document asm inline.
1683	* gimple-pretty-print.c (dump_gimple_asm): Handle asm inline.
1684	* gimple.h (enum gf_mask): Add GF_ASM_INLINE.
1685	(gimple_asm_set_volatile): Fix typo.
1686	(gimple_asm_inline_p): New.
1687	(gimple_asm_set_inline): New.
1688	* gimplify.c (gimplify_asm_expr): Propagate the asm inline flag from
1689	tree to gimple.
1690	* ipa-icf-gimple.c (func_checker::compare_gimple_asm): Compare the
1691	gimple_asm_inline_p flag, too.
1692	* tree-core.h (tree_base): Document that protected_flag is ASM_INLINE_P
1693	in an ASM_EXPR.
1694	* tree-inline.c (estimate_num_insns): If gimple_asm_inline_p return
1695	a minimum size for an asm.
1696	* tree.h (ASM_INLINE_P): New.
1697
16982018-12-06  Segher Boessenkool  <segher@kernel.crashing.org>
1699
1700	PR inline-asm/55681
1701	* doc/extend.texi (Basic Asm): Update grammar.
1702	(Extended Asm): Update grammar.
1703
17042018-12-06  Iain Sandoe  <iain@sandoe.co.uk>
1705
1706	PR target/78444
1707	* config/i386/darwin.h (STACK_BOUNDARY): Remove macro.
1708	* config/i386/i386.c (ix86_compute_frame_layout): Ensure at least 128b
1709	stack alignment in non-leaf functions.
1710
17112018-12-06  Jakub Jelinek  <jakub@redhat.com>
1712
1713	PR target/87598
1714	* config/aarch64/aarch64.c (aarch64_print_address_internal): Don't
1715	call output_operand_lossage on VOIDmode CONST_INTs.  After
1716	output_operand_lossage do return false.
1717
17182018-12-06  Richard Biener  <rguenther@suse.de>
1719
1720	* df-problems.c (df_rd_local_compute): Use bitmap_release.
1721	(df_live_free): Likewise.
1722	(df_md_local_compute): Likewise.
1723	(df_md_free): Release df_md_scratch bitmap.
1724	* loop-invariant.c (calculate_loop_reg_pressure): Use
1725	bitmap_release.
1726	* sched-deps.c (true_dependency_cache, output_dependency_cache,
1727	anti_dependency_cache, control_dependency_cache,
1728	spec_dependency_cache): Use bitmap instead of bitmap_head *.
1729	* sched-ebb.c (schedule_ebbs_init): Initialize non-GTY
1730	dont_calc_deps as bitmap allocated from obstack not GC.
1731	(schedule_ebbs_finish): Use bitmap_release.
1732	* sched-rgn.c (schedule_insns): Initialize non-GTY
1733	not_in_df as bitmap allocated from obstack not GC.
1734	Use bitmap_release.
1735	* sel-sched.c (_forced_ebb_heads): Remove premature optimization.
1736	(sel_region_init): Allocate forced_ebb_heads.
1737	(sel_region_finish): Free forced_ebb_heads.
1738
17392018-12-06  Richard Biener  <rguenther@suse.de>
1740
1741	* bitmap.c (bitmap_head::crashme): Define.
1742	* bitmap.h (bitmap_head): Add constexpr default constructor
1743	poisoning the obstack member.
1744	(bitmap_head::crashme): Declare.
1745	(bitmap_release): New function clearing a bitmap and poisoning
1746	the obstack member.
1747	* gengtype.c (main): Make it recognize CONSTEXPR.
1748	* lra-constraints.c (lra_inheritance): Use bitmap_release
1749	instead of bitmap_clear.
1750	* ira.c (ira): Work around class-memaccess warning.
1751	* regrename.c (create_new_chain): Likewise.
1752
17532018-12-06  Jakub Jelinek  <jakub@redhat.com>
1754
1755	PR tree-optimization/85726
1756	* generic-match-head.c (optimize_successive_divisions_p): New function.
1757	* gimple-match-head.c (optimize_successive_divisions_p): Likewise.
1758	* match.pd: Don't combine successive divisions if they aren't exact
1759	and optimize_successive_divisions_p is false.
1760
1761	PR fortran/88304
1762	* tree-nested.c (convert_nonlocal_reference_stmt): Remove clobbers
1763	for non-local automatic decls.
1764
17652018-12-05  David Edelsohn  <dje.gcc@gmail.com>
1766
1767	* config/rs6000/aix72.h (ASM_DEFAULT_SPEC): Match Power7 processor
1768	default.
1769
17702018-12-05  Uros Bizjak  <ubizjak@gmail.com>
1771
1772	* dwarf2out.c (field_byte_offset): Remove
1773	#ifdef PCC_BITFIELD_TYPE_MATTERS check.
1774
17752018-12-05  Richard Biener  <rguenther@suse.de>
1776	    Martin Sebor  <msebor@redhat.com>
1777
1778	PR c/87028
1779	* calls.c (get_attr_nonstring_decl): Avoid setting *REF to
1780	SSA_NAME_VAR.
1781	* gcc/gimple-low.c (lower_stmt): Fold builtin calls here.
1782	* gimplify (maybe_fold_stmt): Avoid folding builtin calls.
1783
17842018-12-05  Iain Sandoe  <iain@sandoe.co.uk>
1785
1786	* configure.ac (gcc_cv_otool): Set.
1787	* configure: Regenerate.
1788
17892018-12-05  Uros Bizjak  <ubizjak@gmail.com>
1790
1791	* config/i386/cygming.h (PCC_BITFIELD_TYPE_MATTERS): Remove.
1792	(GROUP_BITFIELDS_BY_ALIGN): Ditto.
1793
17942018-12-05  Richard Sandiford  <richard.sandiford@arm.com>
1795
1796	PR tree-optimization/88064
1797	* tree-vect-patterns.c (vect_convert_input): Convert the result of
1798	an existing cast if it has the right width but the wrong sign.
1799	Do not test the signedness of the required result when
1800	considering whether to split an existing cast; instead split to
1801	a type with the same signedness as the source of the cast, then
1802	convert it to the opposite signedness where necessary.
1803	(vect_recog_over_widening_pattern): Handle sign changes between
1804	the final PLUS_EXPR and the RSHIFT_EXPR.
1805	(vect_recog_average_pattern): Use an unsigned operation when
1806	truncating an addition, subtraction or multiplication.  Cast the
1807	result back to the "real" signedness before promoting.
1808
18092018-12-05  Richard Biener  <rguenther@suse.de>
1810
1811	PR tree-optimization/86637
1812	* tree-vectorizer.c (pass_slp_vectorize::execute): Reset
1813	vect_location at the end.
1814
18152018-12-05  Jakub Jelinek  <jakub@redhat.com>
1816
1817	PR tree-optimization/87360
1818	* gimple-loop-jam.c (tree_loop_unroll_and_jam): On failure to analyze
1819	data dependencies, don't return false, just continue.  Formatting
1820	fixes.
1821	(merge_loop_tree, bb_prevents_fusion_p, unroll_jam_possible_p,
1822	fuse_loops): Formatting fixes.
1823
1824	PR sanitizer/88333
1825	* cfgexpand.c (expand_stack_vars): If asan_vec is empty, start with
1826	aligning frame offset to ASAN_RED_ZONE_SIZE bytes.
1827
18282018-12-05  Xianmiao Qu  <xianmiao_qu@c-sky.com>
1829
1830	* config.gcc (csky-*-linux-gnu*): Force .init_array support.
1831
18322018-12-05  Segher Boessenkool  <segher@kernel.crashing.org>
1833
1834	* config/rs6000/rs6000.c (rs6000_function_arg): Only do the special
1835	aggregate handling on actual AIX, not on somewhat similar systems.
1836	(rs6000_arg_partial_bytes): Ditto.
1837
18382018-12-04  Vladimir Makarov  <vmakarov@redhat.com>
1839
1840	PR rtl-optimization/88317
1841	* lra-constraints.c (split_reg): Don't set up check_only_regs if
1842	we are outside the inheritance pass.
1843
18442018-12-04  Jan Hubicka  <hubicka@ucw.cz>
1845
1846	* ipa-prop.c (jump_function_useful_p): New.
1847	(ipa_read_node_info): Do not allocated useless jump functions.
1848
18492018-12-04  David Malcolm  <dmalcolm@redhat.com>
1850
1851	PR c/82967
1852	* spellcheck.c (selftest::test_suggestions): Add another assertion.
1853
18542018-12-04  Martin Sebor  <msebor@redhat.com>
1855
1856	* doc/extend.texi (__builtin_has_attribute): Fix typo.
1857
18582018-12-04  Jakub Jelinek  <jakub@redhat.com>
1859
1860	PR target/88188
1861	* config/rs6000/rs6000.c (ccr_bit): Return -1 instead of assertion
1862	failures.
1863	(print_operand): Use REG_P instead of GET_CODE == REG.
1864	<case 'D'>: Also check CR_REGNO_P (REGNO (x)).
1865	<case 't'>: Likewise.  Remove GET_MODE check.
1866	* config/rs6000/rs6000.md (scc patterns): Assert ccr_bit didn't
1867	return -1.
1868
18692018-12-04  Martin Sebor  <msebor@redhat.com>
1870
1871	* doc/extend.texi (attribute aligned): Expand.
1872
18732018-12-04  David Edelsohn  <dje.gcc@gmail.com>
1874
1875	PR target/61976
1876	* config/rs6000/rs6000.c (rs6000_function_arg): Don't pass aggregates
1877	in FPRs on AIX.
1878	(rs6000_arg_partial_bytes): Same.
1879
18802018-12-04  Vladimir Makarov  <vmakarov@redhat.com>
1881
1882	PR target/88282
1883	* ira-costs.c (exec): Try bigger class to use smaller register
1884	move cost.
1885
18862018-12-04  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
1887
1888	PR ipa/88297
1889	* ipa-cp.c (create_specialized_node): Track clone counters by
1890	node assembler names.
1891	(ipcp_driver): Change type of clone_num_suffixes key to const char*.
1892
18932018-12-04  Richard Biener  <rguenther@suse.de>
1894
1895	* tree-vect-loop.c (vect_transform_loop): Fix epilogue iterations
1896	for epilogue vectorization.
1897
18982018-12-04  Richard Biener  <rguenther@suse.de>
1899
1900	PR tree-optimization/88301
1901	* tree-vrp.c (register_edge_assert_for_2): Fix sign-conversion
1902	issues in last commit.
1903
19042018-12-04  Richard Biener  <rguenther@suse.de>
1905
1906	PR tree-optimization/88315
1907	* tree-vect-loop.c (get_initial_defs_for_reduction): Simplify
1908	and fix initialization vector for SAD and DOT_PROD SLP reductions.
1909
19102018-12-03  Sandra Loosemore  <sandra@codesourcery.com>
1911
1912	PR c/59039
1913	* doc/extend.texi (Nonlocal gotos): New section.
1914
19152018-12-03  Uros Bizjak  <ubizjak@gmail.com>
1916
1917	* config/i386/sse.md (vec_concatv2df): Change (v,xm,C)
1918	alternative to (v,vm,c).
1919
19202018-12-03  Segher Boessenkool  <segher@kernel.crashing.org>
1921
1922	* gcc/config.gcc (Unsupported targets): Add powerpc*-*-linux*paired*.
1923	(powerpc*-*-linux*): Don't handle it here.
1924
19252018-12-03  Jeff Law  <law@redhat.com>
1926
1927	* config/h8300/h8300.md (<code>qi3_1): Add gcc_unreachable to keep
1928	warnings quiet.
1929
1930	* config/h8300/h8300.md (low byte masking peepholes): Only accept
1931	nonimmediate_operand for the to-be-masked operand.
1932
19332018-12-03  Richard Biener  <rguenther@suse.de>
1934
1935	* tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Only
1936	allow expected function-pointer cast re-instantiation.
1937
19382018-12-03  Ilya Leoshkevich  <iii@linux.ibm.com>
1939
1940	* common/config/s390/s390-common.c (s390_option_init_struct):
1941	Use section anchors by default.
1942	* config/s390/s390.c (s390_check_symref_alignment): Handle
1943	anchors.
1944	(TARGET_MAX_ANCHOR_OFFSET): Use short displacement.
1945	* output.h (assemble_align): Pass `align' as unsigned int, so
1946	that the value 0x80000000, which corresponds to `aligned(1 <<
1947	28)', would pass the `align > BITS_PER_UNIT' check.
1948	* varasm.c (assemble_align): Likewise.
1949
19502018-12-03  Julian Brown  <julian@codesourcery.com>
1951
1952	* tree-pretty-print.c (dump_omp_clause): Make default case
1953	gcc_unreachable.
1954
19552018-12-03  Richard Biener  <rguenther@suse.de>
1956
1957	PR tree-optimization/88301
1958	* tree-vrp.c (register_edge_assert_for_2): Handle conversions
1959	that do not change the value by registering the same assert
1960	for the operand.
1961
19622018-12-03  Richard Biener  <rguenther@suse.de>
1963
1964	* tree-vect-loop.c (vect_transform_loop): Properly compute
1965	upper bound for the epilogue when doing epilogue vectorization.
1966
19672018-12-03  Ilya Leoshkevich  <iii@linux.ibm.com>
1968
1969	PR target/80080
1970	* cfgcleanup.c (class pass_postreload_jump): New pass.
1971	(pass_postreload_jump::execute): Likewise.
1972	(make_pass_postreload_jump): Likewise.
1973	* passes.def: Add pass_postreload_jump before
1974	pass_postreload_cse.
1975	* tree-pass.h (make_pass_postreload_jump): New pass.
1976
19772018-12-02  Uros Bizjak  <ubizjak@gmail.com>
1978
1979	* config/i386/i386.c (inline_memory_move_cost): Correctly
1980	compute number of TFmode GPR moves.
1981
19822018-12-02  Jakub Jelinek  <jakub@redhat.com>
1983
1984	PR target/88278
1985	* config/i386/sse.md (*vec_concatv4sf_0, *vec_concatv4si_0): New insns.
1986
19872018-12-02  Jeff Law  <law@redhat.com>
1988
1989	* config/h8300/h8300.md (call, call_value): Drop mode from
1990	operand containing number of bytes pushed.
1991	(call_insn, call_value_insn): Use mode iterator for number
1992	of bytes pushed operand.  Make pattern name vary appropriately.
1993
19942018-12-02  Jan Hubicka  <jh@suse.cz>
1995
1996	* bb-reorer.c (find_rarely_executed_basic_blocks_and_crossin_edges):
1997	trust precise profiles.
1998
19992018-12-02  Jakub Jelinek  <jakub@redhat.com>
2000
2001	* tree-nested.c (convert_nonlocal_omp_clauses,
2002	convert_local_omp_clauses): Handle OMP_CLAUSE_IN_REDUCTION,
2003	OMP_CLAUSE_TASK_REDUCTION and OMP_CLAUSE__SIMT_ clauses.
2004	(convert_nonlocal_reference_stmt, convert_local_reference_stmt):
2005	Convert clauses for GIMPLE_OMP_TASKGROUP.
2006
2007	* omp-low.c (check_omp_nesting_restrictions): Allow cancel or
2008	cancellation point with taskgroup clause inside of taskloop.  Consider
2009	a taskloop construct without nogroup clause as implicit taskgroup for
2010	diagnostics if cancel/cancellation point with taskgroup clause is
2011	closely nested inside of taskgroup region.
2012
2013	PR sanitizer/88291
2014	* asan.c (asan_clear_shadow): Move assert that len is multiple of 4
2015	to the start of the function.
2016	(asan_emit_stack_protection): When emitting clearing sequence for
2017	epilogue, align offset down to ASAN_RED_ZONE_SIZE granularity,
2018	add last_size_aligned which is last_size padded to multiples of
2019	ASAN_RED_ZONE_SIZE and emit asan_clear_shadow always on 4 byte
2020	boundaries.
2021
20222018-12-01  Jakub Jelinek  <jakub@redhat.com>
2023
2024	PR sanitizer/88289
2025	* asan.c (asan_redzone_buffer::flush_redzone_payload): Fix up
2026	an off-by-one for BYTES_BIG_ENDIAN.
2027
2028	PR target/54589
2029	* combine.c (find_split_point): For invalid memory address
2030	nonobj + obj + const, if reg + obj + const is valid addressing
2031	mode, split at nonobj.  Use if rather than else if for the
2032	fallback.  Comment fixes.
2033
20342018-11-30  Indu Bhagat  <indu.bhagat@oracle.com>
2035
2036	* coverage.c (get_coverage_counts): Use from_function_decl for precise
2037	function location.
2038	* profile-count.c (profile_count::dump): Add handling for precise
2039	profile quality.
2040	* profile.c (compute_branch_probabilities): Rely on exec_counts instead
2041	of profile_info to set profile_status of function.
2042	(branch_prob): Do not set profile_status of function based on
2043	profile_info. Done above based on exec_counts.
2044
20452018-11-30  Jakub Jelinek  <jakub@redhat.com>
2046
2047	PR tree-optimization/88274
2048	* tree-ssa-reassoc.c (optimize_range_tests_xor,
2049	optimize_range_tests_diff): If type has smaller precision than
2050	corresponding mode or if it has non-standard min/max, compute
2051	everything in a standard type for the precision.
2052
2053	PR testsuite/85368
2054	* params.def (PARAM_LOGICAL_OP_NON_SHORT_CIRCUIT): New param.
2055	* tree-ssa-ifcombine.c (ifcombine_ifandif): If
2056	--param logical-op-non-short-circuit is present, override
2057	LOGICAL_OP_NON_SHORT_CIRCUIT value from the param.
2058	* fold-const.c (fold_range_test, fold_truth_andor): Likewise.
2059
20602018-11-30  Jeff Law  <law@redhat.com>
2061
2062	* optabs.c (expand_binop): Use "machine_mode" rather than
2063	"enum machine mode" in most recent change.
2064
20652018-11-30  Wilco Dijkstra  <wdijkstr@arm.com>
2066
2067	PR middle-end/64242
2068	* builtins.c (expand_builtin_longjmp): Use a temporary when restoring
2069	the frame pointer.
2070	(expand_builtin_nonlocal_goto): Likewise.
2071
20722018-11-30  David Malcolm  <dmalcolm@redhat.com>
2073
2074	* diagnostic-core.h (emit_diagnostic): New decl.
2075	* diagnostic.c (emit_diagnostic): New overload, taking a
2076	rich_location *.
2077
20782018-11-30  David Malcolm  <dmalcolm@redhat.com>
2079
2080	* pretty-print.c (class selftest::test_pretty_printer): New
2081	subclass of pretty_printer.
2082	(selftest::test_prefixes_and_wrapping): New test.
2083	(selftest::pretty_print_c_tests): Call it.
2084
20852018-11-30  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
2086
2087	Minimize clone counter memory usage in create_virtual_clone.
2088	* cgraph.h (clone_function_name): Add a variant that takes a
2089	tree decl.
2090	* cgraph.h (cgraph_node::create_virtual_clone): Add a new
2091	argument: num_suffix.
2092	* cgraphclones.c (cgraph_node::create_virtual_clone): Pass
2093	num_suffix to clone_function_name.
2094	(clone_function_name): Add a variant that takes a tree decl.
2095	* ipa-cp.c (create_specialized_node): Keep track of clone
2096	counters in clone_num_suffixes hash map.
2097	(ipcp_driver): Free the counter hash map.
2098	* ipa-hsa.c (process_hsa_functions): Creates at most one hsa
2099	clone per function.
2100
21012018-11-30  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
2102	Make function assembly more independent.
2103
2104	This is achieved by having clone_function_name assign unique clone
2105	numbers for each function independently.
2106
2107	* cgraphclones.c: Replaced clone_fn_id_num with clone_fn_ids;
2108	hash map.
2109	(clone_function_name_numbered): Use clone_fn_ids.
2110
21112018-11-30  Vladimir Makarov  <vmakarov@redhat.com>
2112
2113	PR rtl-optimization/88179
2114	* lra-constraints.c (address_eliminator::address_eliminator):
2115	Don't eleminate regs in illegitimate address.
2116
21172018-11-30  David Malcolm  <dmalcolm@redhat.com>
2118
2119	PR preprocessor/88257
2120	* input.c (get_substring_ranges_for_loc): Fix indentation.
2121	Bulletproof against getting a different files back from
2122	linemap_resolve_location and expand_location_to_spelling_point.
2123
21242018-11-30  Alexander Monakov  <amonakov@ispras.ru>
2125
2126	PR gcov-profile/88279
2127	* tree-profile.c (init_ic_make_global_vars): Call
2128	decl_default_tls_model for variable and not it's type.
2129
21302018-11-30  Sam Tebbs  <sam.tebbs@arm.com>
2131
2132	* config/arm/arm.h (TARGET_DOTPROD): Add TARGET_VFP5 constraint.
2133
21342018-11-30  Martin Liska  <mliska@suse.cz>
2135
2136	PR sanitizer/81715
2137	* asan.c (asan_shadow_cst): Remove, partially transform
2138	into flush_redzone_payload.
2139	(RZ_BUFFER_SIZE): New.
2140	(struct asan_redzone_buffer): New.
2141	(asan_redzone_buffer::emit_redzone_byte): Likewise.
2142	(asan_redzone_buffer::flush_redzone_payload): Likewise.
2143	(asan_redzone_buffer::flush_if_full): Likewise.
2144	(asan_emit_stack_protection): Use asan_redzone_buffer class
2145	that is responsible for proper aligned stores and flushing
2146	of shadow memory payload.
2147	* asan.h (ASAN_MIN_RED_ZONE_SIZE): New.
2148	(asan_var_and_redzone_size): Likewise.
2149	* cfgexpand.c (expand_stack_vars): Use smaller alignment
2150	(ASAN_MIN_RED_ZONE_SIZE) in order to make shadow memory
2151	for automatic variables more compact.
2152
21532018-11-30  Alan Modra  <amodra@gmail.com>
2154
2155	* config/rs6000/predicates.md (easy_fp_constant): Avoid long
2156	dependent insn sequences.
2157	* config/rs6000/rs6000.c (num_insns_constant): Support long
2158	double constants.
2159	* config/rs6000/rs6000.md (mov<mode>_softfloat <FMOVE128>): Adjust
2160	length attribute.
2161
21622018-11-30  Alan Modra  <amodra@gmail.com>
2163
2164	* config/rs6000/rs6000.c (num_insns_constant_gpr): Renamed from
2165	num_insns_constant_wide.  Make static.  Revise comment.
2166	(num_insns_constant_multi): New function.
2167	(num_insns_constant): Formatting.  Correct CONST_WIDE_INT
2168	calculation.  Simplify and extract code common to both
2169	CONST_INT and CONST_DOUBLE.  Add gcc_unreachable for unhandled
2170	const_double modes.
2171	* config/rs6000/rs6000-protos.h (num_insns_const_wide): Delete.
2172
21732018-11-30  Richard Biener  <rguenther@suse.de>
2174
2175	PR tree-optimization/88274
2176	* tree-vrp.c (ranges_from_anti_range): Fix handling of
2177	TYPE_MIN/MAX_VALUE.
2178
21792018-11-29  Andi Kleen  <ak@linux.intel.com>
2180
2181	* config/i386/i386.c (current_fentry_section): Add.
2182	(x86_function_profiler): Handle fentry section.
2183	(ix86_attribute_table): Add fentry section.
2184	* config/i386/i386.opt: Add -mfentry-section.
2185	* doc/extend.texi: Document fentry_section attribute.
2186	* doc/invoke.texi: Document -mfentry-section.
2187
21882018-11-29  Andi Kleen  <ak@linux.intel.com>
2189
2190	* config/i386/i386.c (x86_print_call_or_nop): Handle nop name.
2191	(current_fentry_name): Add.
2192	(x86_function_profiler): Handle fentry_name attribute.
2193	(ix86_handle_fentry_name): Add.
2194	(ix86_attribute_table): Add fentry_name.
2195	* config/i386/i386.opt: Add -mfentry-name
2196	* doc/extend.texi: Document fentry_name.
2197	* doc/invoke.texi: Document minstrument-return.
2198
21992018-11-29  Andi Kleen  <ak@linux.intel.com>
2200
2201	* config/i386/i386-opts.h (enum instrument_return): Add.
2202	* config/i386/i386.c (output_return_instrumentation): Add.
2203	(ix86_output_function_return): Call output_return_instrumentation.
2204	(ix86_output_call_insn): Call output_return_instrumentation.
2205	* config/i386/i386.opt: Add -minstrument-return=.
2206	* doc/invoke.texi (-minstrument-return): Document.
2207
22082018-11-29  Eric Botcazou  <ebotcazou@adacore.com>
2209
2210	PR target/87807
2211	* config/sparc/sparc-modes.def: Minor tweak.
2212	* config/sparc/sparc.c: Minor reordering.
2213	(sparc_pass_by_reference): Move around.
2214	(traverse_record_type): Change offset from HOST_WIDE_INT to int.
2215	(classify_registers): Likewise for bitpos.
2216	(function_arg_slotno): Remove dead test and tweak comments.
2217	<MODE_RANDOM>: Remove useless assertion and test whether the
2218	parameter is named in order to pass it in FP registers.  Return
2219	the regno for floating-point vector types.
2220	(compute_int_layout): Change bitpos from HOST_WIDE_INT to int.
2221	(compute_fp_layout): Likewise.
2222	(count_registers): Likewise.
2223	(assign_int_registers): Likewise.
2224	(assign_fp_registers): Likewise.
2225	(assign_registers): Likewise.
2226	(function_arg_record_value): Change size from HOST_WIDE_INT to int
2227	and use CEIL_NWORDS to compute the number of registers.
2228	(function_arg_union_value): Minor tweaks.
2229	(function_arg_vector_value): Add slotno and named parameters, use
2230	CEIL_NWORDS to compute the number of registers.
2231	(sparc_function_arg_1): Rework handling of vector types.  Change
2232	size from HOST_WIDE_INT to int.
2233	(sparc_arg_partial_bytes): Rework handling of 32-bit ABI and deal
2234	with vector types for the 64-bt ABI.
2235	(sparc_function_arg_advance): Likewise.
2236	(sparc_return_in_memory): Add reference to -fpcc-struct-return.
2237	(sparc_struct_value_rtx): Return NULL_RTX instead of 0.
2238	(sparc_function_value_1): Rework handling of vector types.  Change
2239	size from HOST_WIDE_INT to int.
2240
22412018-11-29  Jakub Jelinek  <jakub@redhat.com>
2242
2243	PR target/88152
2244	* config/i386/sse.md (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_lt,
2245	*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_lt,
2246	*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_shift,
2247	*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_shift,
2248	*<sse2_avx2>_pmovmskb_lt, *<sse2_avx2>_pmovmskb_zext_lt): New
2249	define_insn_and_split patterns.
2250
2251	PR target/54700
2252	* config/i386/sse.md
2253	(*<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>_lt,
2254	*<sse4_1>_blendv<ssefltmodesuffix><avxsizesuffix>_ltint,
2255	*<sse4_1_avx2>_pblendvb_lt): Change define_insn into
2256	define_insn_and_split.
2257
22582018-11-29  Peter Bergner  <bergner@linux.ibm.com>
2259
2260	PR target/87496
2261	* config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
2262	-mabi=ieeelongdouble without both -mpopcntd and -mvsx.
2263
22642018-11-29  Uros Bizjak  <ubizjak@gmail.com>
2265
2266	* config/i386/i386.c (inline_memory_move_cost):
2267	Check "in" for 2 in MMX_CLASS_P case.
2268	* config/i386/mmx.md (*mov<mode>_internal): Correct
2269	TARGET_INTER_UNIT_MOVES_FROM_VEC and TARGET_INTER_UNIT_MOVES_TO_VEC
2270	alternatives in preferred_for_speed attribute calculation.
2271
22722018-11-29  Martin Sebor  <msebor@redhat.com>
2273
2274	PR c/88172
2275	PR testsuite/88208
2276	* doc/extend.texi (attribute constructor): Clarify.
2277
22782018-11-29  Martin Liska  <mliska@suse.cz>
2279
2280	PR middle-end/88246
2281	* builtins.c (expand_movstr): Fix thinko introduced
2282	when switching to the new enum.
2283
22842018-11-29  qing zhao  <qing.zhao@oracle.com>
2285
2286	* cif-code.def (EXTERN_LIVE_ONLY_STATIC): New CIF code.
2287	* common.opt: Add -flive-patching flag.
2288	* doc/invoke.texi: Document -flive-patching.
2289	* flag-types.h (enum live_patching_level): New enum.
2290	* ipa-inline.c (can_inline_edge_p): Disable external functions from
2291	inlining when flag_live_patching is LIVE_PATCHING_INLINE_ONLY_STATIC.
2292	* opts.c (control_options_for_live_patching): New function.
2293	(finish_options): Make flag_live_patching incompatible with flag_lto.
2294	Control IPA optimizations based on different levels of
2295	flag_live_patching.
2296
22972018-11-29  Giuliano Belinassi  <giuliano.belinassi@usp.br>
2298
2299	* match.pd (sinh (atanh (x))): New simplification rules.
2300	(cosh (atanh (x))): Likewise.
2301
23022018-11-29  Jakub Jelinek  <jakub@redhat.com>
2303
2304	PR target/54700
2305	* config/i386/sse.md (ssebytemode): Add V16SI, V8SI and V4SI entries.
2306	(ssefltmodesuffix, ssefltvecmode): New define_mode_attrs.
2307	(*<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>_lt,
2308	*<sse4_1>_blendv<ssefltmodesuffix><avxsizesuffix>_ltint,
2309	*<sse4_1_avx2>_pblendvb_lt): New define_insns.
2310
2311	PR target/88152
2312	* tree.h (build_uniform_cst, uniform_integer_cst_p): Declare.
2313	* tree.c (build_uniform_cst, uniform_integer_cst_p): New functions.
2314	* match.pd (define_predicates): Add uniform_integer_cst_p.
2315	(cmp @0 INTEGER_CST@1, cmp (convert?@2 @0) INTEGER_CST@1): Adjust
2316	so that it works also for vector comparisons with uniform constants
2317	with INTEGER_CST element.
2318
2319	PR target/88234
2320	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): For
2321	vec_add and vec_sub builtins, perform PLUS_EXPR or MINUS_EXPR
2322	in unsigned_type_for instead of vector integral type where overflow
2323	doesn't wrap.
2324
23252018-11-29  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
2326
2327	There can be at most one .resolver clone per function
2328	* config/rs6000/rs6000.c (make_resolver_func): Generate
2329	resolver symbol with clone_function_name instead of
2330	clone_function_name_numbered.
2331
23322018-11-29  Richard Biener  <rguenther@suse.de>
2333
2334	PR tree-optimization/88243
2335	* tree-vect-patterns.c (vect_mark_pattern_stmts): Set the def
2336	type of all pattern-sequence stmts to vect_internal_def.
2337
23382018-11-29  Andre Vieira  <andre.simoesdiasvieira@arm.com>
2339
2340	PR target/88224
2341	* config/arm/arm-cpus.in (armv7-r): Add FP16conv configurations.
2342	(cortex-r7, cortex-r8): Update default and add new configuration.
2343	* doc/invoke.texi (armv7-r): Add two new vfp options.
2344	(nofp.dp): Add cortex-r7 and cortex-r8 to the list of targets that
2345	support this option.
2346
23472018-11-29  Alan Modra  <amodra@gmail.com>
2348
2349	* config/rs6000/rs6000.c (rs6000_emit_move): Disable long
2350	double split for targets other than Darwin.
2351
23522018-11-29  Alan Modra  <amodra@gmail.com>
2353
2354	* config/rs6000/rs6000.md (movdi_internal64): Correct lengths.
2355
23562018-11-29  Alan Modra  <amodra@gmail.com>
2357
2358	* config/rs6000/predicates.md (easy_fp_constant): Remove code
2359	dealing with integers in const_double.  Assert on unexpected
2360	modes.  Delete superfluous ABI_V4 test.
2361	* config/rs6000/rs6000.c (rs6000_emit_move): Comment fixes.
2362	Don't call easy_fp_constant for Pmode.
2363	(rs6000_hash_constant): Remove code dealing with integers in
2364	const_double.
2365	(rs6000_legitimate_constant_p): Likewise.
2366	(output_toc): Formatting, use CONST_DOUBLE_P.
2367
23682018-11-29  Alan Modra  <amodra@gmail.com>
2369
2370	* config/rs6000/constraints.md (G, H): Comment on purpose of
2371	constraint.  Correct mode comments and "G" mode test.
2372	* config/rs6000/rs6000.md (movdi_internal32): Remove "GH" from
2373	alternative handling "F".  Add length attr.  Formatting.
2374	(mov<mode>_softfloat <FMOVE128>): Delete "GH" from
2375	alternative, and move "F" to separate alternative.  Correct
2376	insn lengths.
2377
23782018-11-29  Alan Modra  <amodra@gmail.com>
2379
2380	* config/rs6000/predicates.md (easy_vector_constant): Don't call
2381	easy_fp_constant.
2382
23832018-11-29  Alan Modra  <amodra@gmail.com>
2384
2385	* config.in (HAVE_AS_PLTSEQ): Add.
2386	* config/rs6000/predicates.md (indirect_call_operand): New.
2387	* config/rs6000/rs6000-protos.h (rs6000_pltseq_template),
2388	(rs6000_sibcall_sysv): Declare.
2389	* config/rs6000/rs6000.c (init_cumulative_args): Set cookie
2390	CALL_LONG for -fno-plt.
2391	(print_operand <T, z, 0>): Handle UNSPEC_PLTSEQ.
2392	(rs6000_indirect_call_template_1): Emit .reloc directives for
2393	UNSPEC_PLTSEQ calls.
2394	(rs6000_pltseq_template): New function.
2395	(rs6000_longcall_ref): Add arg parameter.  Use PLT16 insns if
2396	relocs supported by assembler.  Move SYMBOL_REF test to callers.
2397	(rs6000_call_aix): Adjust rs6000_longcall_ref call.  Package
2398	insns in UNSPEC_PLTSEQ, preserving original func_desc.
2399	(rs6000_call_sysv): Likewise.
2400	(rs6000_sibcall_sysv): New function.
2401	* config/rs6000/rs6000.h (HAVE_AS_PLTSEQ): Provide default.
2402	* config/rs6000/rs6000.md (UNSPEC_PLTSEQ, UNSPEC_PLT16_HA,
2403	UNSPEC_PLT16_LO): New.
2404	(pltseq_tocsave, pltseq_plt16_ha, pltseq_plt16_lo, pltseq_mtctr): New.
2405	(call_indirect_nonlocal_sysv): Don't differentiate zero from non-zero
2406	cookie in constraints.  Test explicitly for flags in length attr.
2407	Handle unspec operand 1.
2408	(call_value_indirect_nonlocal_sysv): Likewise.
2409	(call_indirect_aix, call_value_indirect_aix): Handle unspec operand 1.
2410	(call_indirect_elfv2, call_value_indirect_elfv2): Likewise.
2411	(sibcall, sibcall_value): Use rs6000_sibcall_sysv.
2412	(sibcall_indirect_nonlocal_sysv): New pattern.
2413	(sibcall_value_indirect_nonlocal_sysv): Likewise.
2414	(sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Remove indirect
2415	call alternatives.
2416	* configure.ac: Check for gas plt sequence marker support.
2417	* configure: Regenerate.
2418
24192018-11-29  Alan Modra  <amodra@gmail.com>
2420
2421	* config/rs6000/predicates.md (unspec_tls): New.
2422	* config/rs6000/rs6000-protos.h (rs6000_call_template),
2423	(rs6000_sibcall_template): Update prototype.
2424	(rs6000_longcall_ref): Delete.
2425	(rs6000_call_sysv): Declare.
2426	* config/rs6000/rs6000.c (edit_tls_call_insn): New function.
2427	(global_tlsarg): New variable.
2428	(rs6000_legitimize_tls_address): Rewrite __tls_get_addr call
2429	handling.
2430	(print_operand): Extract UNSPEC_TLSGD address operand.
2431	(rs6000_call_template, rs6000_sibcall_template): Remove arg
2432	parameter, extract from second call operand instead.
2433	(rs6000_longcall_ref): Make static, localize vars.
2434	(rs6000_call_aix): Rename parameter to reflect new usage.  Take
2435	tlsarg from global_tlsarg.  Don't create unused rtl or nop insns.
2436	(rs6000_sibcall_aix): Rename parameter to reflect new usage.  Take
2437	tlsarg from global_tlsarg.
2438	(rs6000_call_sysv): New function.
2439	* config/rs6000/rs6000.md: Adjust rs6000_call_template and
2440	rs6000_sibcall_template throughout.
2441	(tls_gd_aix, tls_gd_sysv, tls_gd_call_aix, tls_gd_call_sysv): Delete.
2442	(tls_ld_aix, tls_ld_sysv, tls_ld_call_aix, tls_ld_call_sysv): Delete.
2443	(tls_gdld_nomark): New insn.
2444	(tls_gd): Swap operand order.  Simplify mode selection.
2445	(tls_gd_high, tls_gd_low): Swap operand order.
2446	(tls_ld): Remove const_int 0 vector element from UNSPEC_TLSLD.
2447	Simplify mode selection.
2448	(tls_ld_high, tls_ld_low): Similarly adjust UNSPEC_TLSLD.
2449	(call, call_value): Don't assert for second call operand.
2450	Use rs6000_call_sysv.
2451
24522018-11-29  Alan Modra  <amodra@gmail.com>
2453
2454	* config/rs6000/darwin.md (call_indirect_nonlocal_darwin64),
2455	(call_nonlocal_darwin64, call_value_indirect_nonlocal_darwin64),
2456	(call_value_nonlocal_darwin64): Remove constraints from second call
2457	arg, the rounded_stack_size_rtx arg.
2458	* config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv, tls_gd_call_aix),
2459	(tls_gd_call_sysv, tls_ld_aix, tls_ld_sysv, tls_ld_call_aix),
2460	(tls_ld_call_sysv, call_local32, call_local64, call_value_local32),
2461	(call_value_local64, call_indirect_nonlocal_sysv),
2462	(call_nonlocal_sysv, call_nonlocal_sysv_secure),
2463	(call_value_indirect_nonlocal_sysv, call_value_nonlocal_sysv),
2464	(call_value_nonlocal_sysv_secure, call_local_aix),
2465	(call_value_local_aix, call_nonlocal_aix, call_value_nonlocal_aix),
2466	(call_indirect_aix, call_value_indirect_aix, call_indirect_elfv2),
2467	(call_value_indirect_elfv2, sibcall_local32, sibcall_local64),
2468	(sibcall_value_local32, sibcall_value_local64, sibcall_aix),
2469	(sibcall_value_aix): Likewise.
2470
24712018-11-29  Alan Modra  <amodra@gmail.com>
2472
2473	* config/rs6000/rs6000.md (TLSmode): Delete mode iterator.  Replace
2474	with P throughout except for call mems which should use SI.
2475	(tls_abi_suffix, tls_sysv_suffix, tls_insn_suffix): Delete mode
2476	attributes.  Replace with bits, mode and ptrload respectively.
2477
24782018-11-29  Alan Modra  <amodra@gmail.com>
2479
2480	* config/rs6000/rs6000-protos.h (rs6000_indirect_call_template),
2481	(rs6000_indirect_sibcall_template): Declare.
2482	* config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
2483	(rs6000_indirect_call_template, rs6000_indirect_sibcall_template):
2484	New functions.
2485	* config/rs6000/rs6000.md (call_indirect_nonlocal_sysv),
2486	(call_value_indirect_nonlocal_sysv, sibcall_nonlocal_sysv),
2487	(call_indirect_aix, call_value_indirect_aix): Use
2488	rs6000_indirect_call_template and rs6000_indirect_sibcall_template.
2489	call_indirect_elfv2, call_value_indirect_elfv2): Likewise, and
2490	handle both speculation and non-speculation cases.
2491	(call_indirect_aix_nospec, call_value_indirect_aix_nospec): Delete.
2492	(call_indirect_elfv2_nospec, call_value_indirect_elfv2_nospec): Delete.
2493
24942018-11-29  Alan Modra  <amodra@gmail.com>
2495
2496	* config/rs6000/rs6000-protos.h (rs6000_call_template): Declare.
2497	(rs6000_sibcall_template): Declare.
2498	(macho_call_template): Rename from output_call.
2499	* config/rs6000/rs6000.c (rs6000_call_template_1): New function.
2500	(rs6000_call_template, rs6000_sibcall_template): Likewise.
2501	(macho_call_template): Rename from output_call.
2502	* config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv),
2503	(tls_gd_call_aix, tls_gd_call_sysv, tls_ld_aix, tls_ld_sysv),
2504	(tls_ld_call_aix, tls_ld_call_sysv, call_nonlocal_sysv),
2505	(call_nonlocal_sysv_secure, call_value_nonlocal_sysv),
2506	(call_value_nonlocal_sysv_secure, call_nonlocal_aix),
2507	(call_value_nonlocal_aix): Use rs6000_call_template and update
2508	occurrences of output_call to macho_call_template.
2509	(sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv, sibcall_aix),
2510	(sibcall_value_aix): Use rs6000_sibcall_template.
2511
25122018-11-28  Aaron Sawdey  <acsawdey@linux.ibm.com>
2513
2514	* config/rs6000/rs6000-string.c (expand_block_clear): Change how
2515	we determine if unaligned vsx is ok.
2516
25172018-11-28  Jan Hubicka  <jh@suse.cz>
2518
2519	* predict.c (determine_unlikely_bbs): Forward declare; also determine
2520	edges that are always known to be taken because it is only likely
2521	edge out of given BB.
2522	(tree_estimate_probability): Call before profile guessing to get bit
2523	of extra precision.
2524
25252018-11-28  Jan Hubicka  <jh@suse.cz>
2526
2527	* tree-ssa-ifcombine.c (update_profile_after_ifcombine): Handle
2528	profile_probability::always better.
2529
25302018-11-28  Jan Hubicka  <jh@suse.cz>
2531
2532	* profile-count.h (profile_count::split): Give better result when
2533	splitting profile_probability::always.
2534
25352018-11-28  Vladimir Makarov  <vmakarov@redhat.com>
2536
2537	PR target/88207
2538	* ira-costs.c (scan_one_insn): Process subregs when updating costs
2539	for pseudos and allocnos from insn.
2540
25412018-11-28  David Edelsohn  <dje.gcc@gmail.com>
2542
2543	* config/rs6000/aix72.h: Update to match aix71.h changes.
2544
25452018-11-28  Jeff Law  <law@redhat.com>
2546
2547	* config/h8300/constraints.md: Add "C" constraint for call insns.
2548	* config/h8300/h8300.md (call, call_value): Turn into a define_expand
2549	and define_insn pair.  Move invalid call targets into a register in
2550	the expander and fix constraints in the matching pattern.
2551	* config/h8300/predicates.md (call_expander_operand): Renamed from
2552	call_insn_operand.  Reject things we shouldn't be trying to handle.
2553	(call_insn_operand): New predicate for use by the call/call_value
2554	insns.
2555	(small_call_insn_operand): Update appropriately.
2556
25572018-11-28  Sam Tebbs  <sam.tebbs@arm.com>
2558
2559	* config/aarch64/aarch64.c (aarch64_process_target_attr): Replace
2560	calls to strtok with strtok_r.
2561
25622018-11-28  Richard Biener  <rguenther@suse.de>
2563
2564	PR tree-optimization/88223
2565	* tree-ssa-sccvn.c (vn_reference_lookup_3): When skipping
2566	over a stored-same value may-alias store make sure to consider
2567	partial overlaps which are valid when TBAA reasonings do not
2568	apply and byte-granular overlaps are possible at all.
2569
25702018-11-28  Richard Biener  <rguenther@suse.de>
2571
2572	PR tree-optimization/88217
2573	* vr-values.c (vr_values::extract_range_from_phi_node): Make
2574	sure to handle results > +INF and < -INF correctly when
2575	trying to drop down to +INF - 1 or -INF + 1.
2576
25772018-11-28  Alan Modra  <amodra@gmail.com>
2578
2579	* xcoffout.c (do_block): Signed/unsigned warning fix.
2580
25812018-11-28  Richard Biener  <rguenther@suse.de>
2582
2583	PR tree-optimization/79351
2584	* tree-ssa-sccvn.c (vn_reference_lookup_3): For assignments from
2585	empty CONSTRUCTORs ensure the store is at a constant position.
2586
25872018-11-28  Richard Biener  <rguenther@suse.de>
2588
2589	PR tree-optimization/88229
2590	* tree-ssa.c (non_rewritable_mem_ref_base): Check DECL_SIZE_UNIT
2591	is an INTEGER_CST before accessing it so.
2592
25932018-11-28  Sam Tebbs  <sam.tebbs@arm.com>
2594
2595	* doc/invoke.texi (-mtune=): Remove obsolete CPU names.
2596
25972018-11-28  Jakub Jelinek  <jakub@redhat.com>
2598
2599	PR target/88189
2600	* config/i386/i386.c (ix86_expand_sse_movcc): Handle DFmode and
2601	SFmode using sse4_1_blendvs[sd] with TARGET_SSE4_1.  Formatting fixes.
2602	* config/i386/sse.md (sse4_1_blendv<ssemodesuffix>): New pattern.
2603
26042018-11-27  Martin Liska  <mliska@suse.cz>
2605
2606	* gcov.c (generate_results): Append current_working_directory
2607	only when exists.
2608
26092018-11-27  Mike Gulick  <mgulick@mathworks.com>
2610
2611	PR preprocessor/83173
2612	* input.c (dump_location_info): Dump reason and included_from
2613	fields from line_map_ordinary struct.  Fix indentation when
2614	location > 5 digits.
2615	* diagnostic-show-locus.c (num_digits, num_digits): Move to
2616	diagnostic.c to allow it to be utilized by input.c.
2617	* diagnostic.c (num_digits, selftest::test_num_digits): Moved
2618	here.
2619	(selftest::diagnostic_c_tests): Run selftest::test_num_digits.
2620	* diagnostic.h (num_digits): Add extern definition.
2621
26222018-11-27  Fredrik Noring  <noring@nocrew.org>
2623
2624	* config/mips/mips.c (mips_reorg_process_insns)
2625	(mips_option_override): Handle `-mfix-r5900'.
2626	* config/mips/mips.h (ASM_SPEC): Add `mfix-r5900' and
2627	`mno-fix-r5900'.
2628	* config/mips/mips.opt (mfix-r5900): New option.
2629	* doc/invoke.texi: Document the `r5900' processor name, and
2630	`-mfix-r5900' and `-mno-fix-r5900' options.
2631
26322018-11-27  Jakub Jelinek  <jakub@redhat.com>
2633
2634	PR target/88188
2635	* config/rs6000/rs6000.c (print_operand) <case 'D'>: Use
2636	output_operand_lossage instead of gcc_assert.
2637	<case 't'>: Likewise.
2638	<case 'z'>: Likewise.
2639	<case 'V'>: Use output_operand_lossage instead of gcc_unreachable.
2640
26412018-11-27  Jeff Law  <law@redhat.com>
2642
2643	* config/riscv/riscv (riscv_block_mvoe_straight): Use RETURN_BEGIN
2644	in call to move_by_pieces.
2645
2646	* config/sh/sh-mem.c (expand_block_move): Use RETURN_BEGIN in call
2647	to move_by_pieces.
2648
2649	* config/lm32/lm32.c (lm32_block_move_inline): Use RETURN_BEGIN in
2650	call to move_by_pieces.
2651
2652	* config/mips/mips.c (mips_block_move_straight): Use RETURN_BEGIN
2653	in call to move_by_pieces.
2654
2655	* config/microblaze/microblaze.c (microblaze_block_move_straight): Use
2656	RETURN_BEGIN in call to move_by_pieces.
2657	(microblaze_expand_block_move): Likewise.
2658
26592018-11-27  Tamar Christina  <tamar.christina@arm.com>
2660
2661	* doc/md.texi (xorsign): Document it.
2662
26632018-11-27  Martin Liska  <mliska@suse.cz>
2664
2665	* config/gnu-user.h (TARGET_F951_OPTIONS): New.
2666	* gcc.c (find_fortran_preinclude_file): New function
2667	to handle Fortran pre-include.
2668
26692018-11-27  Martin Liska  <mliska@suse.cz>
2670
2671	* asan.c (asan_emit_stack_protection): Use new enum values
2672	instead of int constants.
2673	* builtins.c (expand_builtin_memory_copy_args): Replace int
2674	type with memop_ret enum type.
2675	(expand_builtin_mempcpy_args): Likewise.
2676	(expand_builtin_memcpy): Use new enum values
2677	instead of int constants. Likewise.
2678	(expand_builtin_mempcpy): Likewise.
2679	(expand_movstr): Likewise.
2680	(expand_builtin_strcpy_args): Likewise.
2681	(expand_builtin_stpcpy_1): Likewise.
2682	(expand_builtin_strncpy): Likewise.
2683	(expand_builtin_memset_args): Likewise.
2684	* expr.c (move_by_pieces_d::finish_endp): Rename to ...
2685	(move_by_pieces_d::finish_retmode): ... this.
2686	(move_by_pieces): Change last argument type to memop_ret.
2687	(store_by_pieces): Use new enum values
2688	instead of int constants.
2689	(emit_block_move_hints): Likewise.
2690	(emit_push_insn): Likewise.
2691	(store_expr): Likewise.
2692	* expr.h (store_by_pieces): Change int to newly added enum
2693	type.
2694	* rtl.h (enum memop_ret): Define.
2695	(move_by_pieces): Use the enum type.
2696
26972018-11-27  Alan Modra  <amodra@gmail.com>
2698
2699	* config/rs6000/aix71.h (ASM_SPEC): Don't select default -maix64
2700	cpu here.
2701	(ASM_CPU_SPEC): Do so here.  Rewrite using if .. else if .. specs
2702	form.  Error on missing -mcpu case.
2703	* config/rs6000/driver-rs6000.c (asm_names <_AIX>): Update NULL case.
2704	(asm_names <!_AIX>): Add missing cpus.  Update NULL case.  Apply
2705	PR63177 fix for -mcpu=power8 and -mcpu=powerpc64le.
2706	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Rewrite using if ..
2707	else if .. specs form.  Error on missing -mcpu case.  Don't output
2708	duplicate -maltivec.  Apply PR63177 fix for -mcpu=powerpc64le.
2709
27102018-11-26  David Malcolm  <dmalcolm@redhat.com>
2711
2712	* dump-context.h (dump_context::dump_loc): Convert 1st param from
2713	dump_flags_t to const dump_metadata_t &.  Convert 2nd param from
2714	const dump_location_t & to const dump_user_location_t &.
2715	(dump_context::dump_loc_immediate): Convert 2nd param from
2716	const dump_location_t & to const dump_user_location_t &.
2717	(dump_context::dump_gimple_stmt): Convert 1st param from
2718	dump_flags_t to const dump_metadata_t &.
2719	(dump_context::void dump_gimple_stmt_loc): Likewise; convert
2720	2nd param from const dump_location_t & to
2721	const dump_user_location_t &.
2722	(dump_context::dump_gimple_expr): Convert 1st param from
2723	dump_flags_t to const dump_metadata_t &.
2724	(dump_context::dump_gimple_expr_loc): Likewise; convert
2725	2nd param from const dump_location_t & to
2726	const dump_user_location_t &.
2727	(dump_context::dump_generic_expr): Convert 1st param from
2728	dump_flags_t to const dump_metadata_t &.
2729	(dump_context::dump_generic_expr_loc): Likewise; convert
2730	2nd param from const dump_location_t & to
2731	const dump_user_location_t &.
2732	(dump_context::dump_printf_va): Convert 1st param from
2733	dump_flags_t to const dump_metadata_t &.
2734	(dump_context::dump_printf_loc_va): Likewise; convert
2735	2nd param from const dump_location_t & to
2736	const dump_user_location_t &.
2737	(dump_context::dump_dec): Convert 1st param from
2738	dump_flags_t to const dump_metadata_t &.
2739	(dump_context::dump_symtab_node): Likewise.
2740	(dump_context::begin_scope): Split out 2nd param into
2741	user and impl locations.
2742	(dump_context::ensure_pending_optinfo): Add metadata param.
2743	(dump_context::begin_next_optinfo): Replace dump_location_t param
2744	with metadata and user location.
2745	* dumpfile.c (dump_context::dump_loc): Convert 1st param from
2746	dump_flags_t to const dump_metadata_t &.  Convert 2nd param from
2747	const dump_location_t & to const dump_user_location_t &.
2748	(dump_context::dump_loc_immediate): Convert 2nd param from
2749	const dump_location_t & to const dump_user_location_t &.
2750	(dump_context::dump_gimple_stmt): Convert 1st param from
2751	dump_flags_t to const dump_metadata_t &.
2752	(dump_context::void dump_gimple_stmt_loc): Likewise; convert
2753	2nd param from const dump_location_t & to
2754	const dump_user_location_t &.
2755	(dump_context::dump_gimple_expr): Convert 1st param from
2756	dump_flags_t to const dump_metadata_t &.
2757	(dump_context::dump_gimple_expr_loc): Likewise; convert
2758	2nd param from const dump_location_t & to
2759	const dump_user_location_t &.
2760	(dump_context::dump_generic_expr): Convert 1st param from
2761	dump_flags_t to const dump_metadata_t &.
2762	(dump_context::dump_generic_expr_loc): Likewise; convert
2763	2nd param from const dump_location_t & to
2764	const dump_user_location_t &.
2765	(dump_context::dump_printf_va): Convert 1st param from
2766	dump_flags_t to const dump_metadata_t &.
2767	(dump_context::dump_printf_loc_va): Likewise; convert
2768	2nd param from const dump_location_t & to
2769	const dump_user_location_t &.
2770	(dump_context::dump_dec): Convert 1st param from
2771	dump_flags_t to const dump_metadata_t &.
2772	(dump_context::dump_symtab_node): Likewise.
2773	(dump_context::begin_scope): Split out 2nd param into
2774	user and impl locations.
2775	(dump_context::ensure_pending_optinfo): Add metadata param.
2776	(dump_context::begin_next_optinfo): Replace dump_location_t param
2777	with metadata and user location.
2778	(dump_gimple_stmt): Convert 1st param from dump_flags_t to
2779	const dump_metadata_t &.
2780	(dump_gimple_stmt_loc): Likewise; convert 2nd param from
2781	const dump_location_t & to const dump_user_location_t &.
2782	(dump_gimple_expr): Convert 1st param from dump_flags_t to
2783	const dump_metadata_t &.
2784	(dump_gimple_expr_loc): Likewise; convert 2nd param from
2785	const dump_location_t & to const dump_user_location_t &.
2786	(dump_generic_expr): Convert 1st param from dump_flags_t to
2787	const dump_metadata_t &.
2788	(dump_generic_expr_loc): Likewise; convert 2nd param from
2789	const dump_location_t & to const dump_user_location_t &.
2790	(dump_printf): Convert 1st param from dump_flags_t to
2791	const dump_metadata_t &.
2792	(dump_printf_loc): Likewise; convert 2nd param from
2793	const dump_location_t & to const dump_user_location_t &.
2794	(dump_dec): Convert 1st param from dump_flags_t to
2795	const dump_metadata_t &.
2796	(dump_symtab_node): Likewise.
2797	(dump_begin_scope): Split out 2nd param into user and impl
2798	locations.
2799	(selftest::assert_impl_location_eq): New function.
2800	(ASSERT_IMPL_LOCATION_EQ): New macro.
2801	(selftest::test_impl_location): Update to use
2802	ASSERT_IMPL_LOCATION_EQ.
2803	(selftest::test_capture_of_dump_calls): Convert "loc" to
2804	dump_user_location_t.  Add ASSERT_IMPL_LOCATION_EQ throughout,
2805	verifying line numbers of dump emissions.
2806	* dumpfile.h (class dump_metadata_t): New class.
2807	(dump_printf): Convert 1st param from dump_flags_t to
2808	const dump_metadata_t &.
2809	(dump_printf_loc): Likewise; convert 2nd param from
2810	const dump_location_t & to const dump_user_location_t &.
2811	(dump_generic_expr_loc): Likewise.
2812	(dump_generic_expr): Convert 1st param from dump_flags_t to
2813	const dump_metadata_t &.
2814	(dump_gimple_stmt_loc): Likewise; convert 2nd param from
2815	const dump_location_t & to const dump_user_location_t &.
2816	(dump_gimple_stmt): Convert 1st param from dump_flags_t to
2817	const dump_metadata_t &.
2818	(dump_gimple_expr_loc): Likewise; convert 2nd param from
2819	const dump_location_t & to const dump_user_location_t &.
2820	(dump_gimple_expr): Convert 1st param from dump_flags_t to
2821	const dump_metadata_t &.
2822	(dump_symtab_node): Likewise.
2823	(dump_dec): Likewise.
2824	(dump_begin_scope): Split out 2nd param into user and impl
2825	locations.
2826	(auto_dump_scope::auto_dump_scope): Split "loc" param into a user
2827	location and impl_location, and capture the impl_location.
2828	(AUTO_DUMP_SCOPE): Rename param from LOC to USER_LOC.
2829	* loop-unroll.c (report_unroll): Update for changes to
2830	dump_printf_loc and dump_printf.
2831	* opt-problem.cc (opt_problem::opt_problem): Update for change to
2832	dump_loc.
2833	* optinfo-emit-json.cc
2834	(selftest::test_building_json_from_dump_calls): Convert "loc" from
2835	dump_location_t to dump_user_location_t.
2836	* optinfo.cc (optinfo::emit_for_opt_problem): Update for change in
2837	dump_loc_immediate.
2838	* profile.c (compute_branch_probabilities): Update for change to
2839	dump_printf_loc.
2840	* selftest.h (ASSERT_STR_CONTAINS_AT): New macro.
2841	* tree-vect-slp.c (vect_print_slp_tree): Update for change to
2842	dump_printf_loc.
2843
28442018-11-27  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2845
2846	* doc/sourcebuild.texi: Document check_effective_target_int_eq_float
2847	and check_effective_target_ptr_eq_long.
2848
28492018-11-27  Alan Modra  <amodra@gmail.com>
2850
2851	* config.gcc (powerpc*-*-freebsd*, powerpc-*-netbsd*),
2852	(powerpc-*-eabisimaltivec*, powerpc-*-eabisim*, powerpc-*-elf*),
2853	(powerpc-*-eabialtivec*, powerpc-*-eabi*, powerpc-*-rtems*),
2854	(powerpc-wrs-vxworks*, powerpc-*-lynxos*, powerpcle-*-elf*),
2855	(powerpcle-*-eabisim*, powerpcle-*-eabi*): Add gnu-user.h to tm_file.
2856	* config/rs6000/freebsd.h (CPLUSPLUS_CPP_SPEC),
2857	(LINK_GCC_C_SEQUENCE_SPEC): Undef.
2858	(ASM_APP_ON, ASM_APP_OFF): Don't define.
2859	* config/rs6000/freebsd64.h (ASM_APP_ON, ASM_APP_OFF): Don't define.
2860	* config/rs6000/lynx.h (ASM_APP_ON, ASM_APP_OFF): Don't define.
2861	* config/rs6000/linux64.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
2862	* config/rs6000/netbsd.h (CPLUSPLUS_CPP_SPEC),
2863	(LINK_GCC_C_SEQUENCE_SPEC): Undef.
2864	* config/rs6000/rtems.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
2865	* config/rs6000/sysv4.h (GNU_USER_TARGET_CRTI): Redefine.
2866	(GNU_USER_TARGET_CRTN): Redefine.
2867	(CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
2868	(LIB_LINUX_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2869	(CRTOFFLOADBEGIN, CRTOFFLOADEND): Don't define.
2870	(STARTFILE_LINUX_SPEC): Define as GNU_USER_TARGET_STARTFILE_SPEC.
2871	(ENDFILE_LINUX_SPEC): Define as GNU_USER_TARGET_ENDFILE_SPEC.
2872	(UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER): Don't define.
2873	(LINK_EH_SPEC): Don't define.
2874
28752018-11-26  Martin Sebor  <msebor@redhat.com>
2876
2877	PR 87756
2878	* expr.c (string_constant): Handle top-level decls of all character
2879	types and subobjects of narrow character type.
2880
28812018-11-27  Alan Modra  <amodra@gmail.com>
2882
2883	* config.gcc (powerpc*-*-linux*): Add linux.h to tm_file.
2884	* config/rs6000/linux.h (TARGET_OS_CPP_BUILTINS): Use
2885	GNU_USER_TARGET_OS_CPP_BUILTINS.
2886	(RS6000_ABI_NAME): Define.
2887	* config/rs6000/linux64.h (TARGET_OS_CPP_BUILTINS): Use
2888	GNU_USER_TARGET_OS_CPP_BUILTINS.
2889	(MUSL_DYNAMIC_LINKER32): Undef before defining.
2890	(UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64): Don't define.
2891	(CHOOSE_DYNAMIC_LINKER): Don't define.
2892	(GNU_USER_DYNAMIC_LINKER32, GNU_USER_DYNAMIC_LINKER64): Don't define.
2893	* config/rs6000/sysv4.h (MUSL_DYNAMIC_LINKER): Undef before defining.
2894	(CHOOSE_DYNAMIC_LINKER, GNU_USER_DYNAMIC_LINKER): Only define when
2895	not already defined.
2896	(CPP_OS_LINUX_SPEC): Remove defines and asserts handled by
2897	TARGET_OS_CPP_BUILTINS.
2898
28992018-11-26  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2900
2901	* doc/sourcebuild.texi: Document check_effective_target_newlib_nano_io.
2902
29032018-11-26  Jakub Jelinek  <jakub@redhat.com>
2904
2905	PR target/88195
2906	* config/i386/i386.c (def_builtin2): If tcode == VOID_FTYPE_UINT64
2907	and !TARGET_64BIT, return NULL_TREE.
2908
2909	PR c++/86900
2910	* dwarf2out.c (secname_for_decl): For functions with
2911	DECL_SECTION_NAME if in_cold_section_p, try to return
2912	current_function_section's name if it is a named section.
2913
29142018-11-26  Maya Rashish  <coypu@sdf.org>
2915
2916	PR target/58397
2917	* config.host (*-*-netbsd*): Use x-netbsd and host-netbsd.o.
2918	* config/x-netbsd: New file.
2919	* config/host-netbsd: New file.
2920
29212018-11-26  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
2922
2923	* doc/sourcebuild.texi: Document check_effective_target_size20plus.
2924	Clarify documentation for check_effective_target_size32plus.
2925
29262018-11-26  Aaron Sawdey  <acsawdey@linux.ibm.com>
2927
2928	* config/rs6000/rs6000-string.c (expand_cmp_vec_sequence): Rename
2929	and modify expand_strncmp_vec_sequence.
2930	(emit_final_compare_vec): Rename and modify emit_final_str_compare_vec.
2931	(generate_6432_conversion): New function.
2932	(expand_block_compare): Add support for vsx.
2933	(expand_block_compare_gpr): New function.
2934	* config/rs6000/rs6000.opt (rs6000_block_compare_inline_limit): Increase
2935	default limit to 63 because of more compact vsx code.
2936
29372018-11-26  Uros Bizjak  <ubizjak@gmail.com>
2938
2939	PR target/88178
2940	* config/i386/i386.c (dbx_register_map): Use IGNORED_DWARF_REGNUM
2941	for registers for which no debug information can be generated.
2942	Use INVALID_REGNUM for non-existent registers.
2943	(dbx64_register_map): Ditto.
2944	(svr4_dbx_register_map): Ditto.
2945
29462018-11-26  Sandra Loosemore  <sandra@codesourcery.com>
2947
2948	PR c/57182
2949	* doc/invoke.texi (Optimize Options): Document that
2950	-freorder-functions also uses "hot" and "cold" attributes.
2951
29522018-11-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2953
2954	* config/aarch64/aarch64.c (aarch64_mangle_type): Fix typo in comment.
2955
29562018-11-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2957
2958	* config/arm/types.md (mul64): Rename to...
2959	(widen_mul64): ... This.
2960	* config/arm/arm-generic.md: Rename mul64 to widen_mul64.
2961	* config/arm/cortex-a15.md: Likewise.
2962	* config/arm/cortex-a5.md: Likewise.
2963	* config/arm/cortex-a53.md: Likewise.
2964	* config/arm/cortex-a57.md: Likewise.
2965	* config/arm/cortex-a7.md: Likewise.
2966	* config/arm/cortex-m4.md: Likewise.
2967	* config/arm/exynos-m1.md: Likewise.
2968	* config/arm/marvell-pj4.md: Likewise.
2969	* config/arm/xgene1.md: Likewise.
2970
29712018-11-26  Richard Biener  <rguenther@suse.de>
2972
2973	PR tree-optimization/88182
2974	* tree-vect-loop.c (vectorizable_reduction): Pick up single
2975	correct reduc_def_info.
2976	* tree-vect-slp.c (vect_analyze_slp_instance): Set
2977	STMT_VINFO_REDUC_DEF of the first stmt.
2978
29792018-11-26  Andreas Krebbel  <krebbel@linux.ibm.com>
2980
2981	* doc/invoke.texi: Document z14/arch12 -march option.
2982
29832018-11-25  Sandra Loosemore  <sandra@codesourcery.com>
2984
2985	PR c/57166
2986	* doc/invoke.texi (Option Summary): Add -Wmissing-noreturn.
2987	(Warning Options): Likewise.
2988
29892018-11-25  Sandra Loosemore  <sandra@codesourcery.com>
2990
2991	PR web/79738
2992	* doc/extend.texi (Common Function Attributes): Clarify that
2993	functions with "const" attribute can read const global variables.
2994
29952018-11-26  Alan Modra  <amodra@gmail.com>
2996
2997	* config/rs6000/rs6000.h (OBJECT_PEF, TARGET_MACOS): Delete.
2998
29992018-11-25  Sandra Loosemore  <sandra@codesourcery.com>
3000
3001	PR other/54265
3002	* doc/extend.texi (Common Variable Attributes): Use preferred
3003	placement of type attributes in examples, plus whitespace fixes.
3004	(Type Attributes): Clarify why placement of attributes
3005	immediately after struct/union/enum keyword is preferred.
3006	(Common Type Attributes): Use preferred placement of type
3007	attributes in examples, plus more whitespace fixes.
3008
30092018-11-25  Paul Koning  <ni1d@arrl.net>
3010
3011	* config/pdp11/pdp11.h (TARGET_HAS_NO_HW_DIVIDE): Define.
3012
30132018-11-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3014
3015	* doc/sourcebuild.texi (Effective-Target Keywords, Environment
3016	attributes): Document d_runtime.
3017
30182018-11-25  Vladimir Makarov  <vmakarov@redhat.com>
3019
3020	PR bootstrap/88157
3021	* ira-costs.c (record_operand_costs): Initiate register move cost
3022	for mode.
3023
30242018-11-23  Jeff Law  <law@redhat.com>
3025
3026	PR rtl-optimization/87468
3027	* tree-ssa-threadupdate.c (create_block_for_threading): Clear
3028	EDGE_IGNORE on all outgoing edges of the duplicate block.
3029
30302018-11-23  Vladimir Makarov  <vmakarov@redhat.com>
3031
3032	PR bootstrap/88157
3033	* ira-costs.c (record_operand_costs): Use bigger hard reg class if
3034	its mode does not fit to the original class.
3035
30362018-11-23  Martin Sebor  <msebor@redhat.com>
3037
3038	PR tree-optimization/87756
3039	* expr.c (string_constant): Synthesize a string literal from
3040	the address of a constant character.
3041	* tree.c (build_string_literal): Add an argument.
3042	* tree.h (build_string_literal): Same.
3043
30442018-11-23  Christoph Muellner  <christoph.muellner@theobroma-systems.com>
3045
3046	* config/aarch64/aarch64-cores.def: Define emag.
3047	* config/aarch64/aarch64-tune.md: Regenerated with emag.
3048	* config/aarch64/aarch64.c (emag_tunings): New struct.
3049	* doc/invoke.texi: Document mtune value.
3050
30512018-11-23  Christoph Muellner  <christoph.muellner@theobroma-systems.com>
3052	    Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>
3053
3054	* config/aarch64/aarch64.c (xgene1_tunings): Optimize Xgene1 tunings
3055	for GCC 9.
3056	* config/aarch64/aarch64.c (xgene1_tunings): Add Xgene1 specific
3057	prefetch tunings.
3058	* config/aarch64/aarch64.c (xgene1_addrcost_table): Correct the post-modify
3059	costs.
3060	* config/arm/aarch-cost-tables.h (xgene1_extra_costs): Update the cost table
3061	for XGene1.
3062
30632018-11-23  Richard Biener  <rguenther@suse.de>
3064
3065	PR tree-optimization/88149
3066	* tree-vect-slp.c (vect_slp_analyze_node_operations): Detect
3067	the case where there are two different def types for the
3068	same operand at different operand position in the same stmt.
3069
30702018-23-11  Mihail Ionescu  <mihail.ionescu@arm.com>
3071
3072	* config/arm/arm.c (arm_expand_compare_and_swap): Simplify and call
3073	gen_atomic_compare_swap_1.
3074	(arm_evpc_neon_vuzp): Likewise gen_neon_vuzp_internal.
3075	(arm_evpc_neon_vtrn): Likewise gen_neon_vtrn_internal.
3076	(arm_evpc_neon_vext): Likewise gen_neon_vext_internal.
3077	(arm_evpc_neon_vzip): Likewise gen_neon_vzip_internal.
3078	(arm_evpc_neon_vrev): Replace the function pointer and simplify the mode
3079	checks.
3080	* config/arm/arm.md (neon_vext<mode>),
3081	(neon_vrev64<mode>, neon_vrev32<mode>),
3082	(neon_vrev16<mode>, neon_vtrn<mode>_internal),
3083	(neon_vzip<mode>_internal, neon_vuzp<mode>_internal): Add an '@'character
3084	before the pattern name.
3085	* config/arm/sync.md:
3086	(atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1),
3087	(atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
3088
30892018-11-23  Jakub Jelinek  <jakub@redhat.com>
3090
3091	PR tree-optimization/86614
3092	* gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Return early
3093	if TREE_NO_WARNING is set on ref.ref.
3094
30952018-11-22  Sandra Loosemore  <sandra@codesourcery.com>
3096	    Alan Coopersmith  <alan.coopersmith@oracle.com>
3097
3098	PR c/53608
3099	* doc/extend.texi (Designated Inits): Clarify handling of multiple
3100	initializers for unions.
3101
31022018-11-22  Jan Hubicka  <jh@suse.cz>
3103
3104	PR lto/88142
3105	* ipa-devirt.c (type_variants_equivalent_p): Drop warn and warned
3106	parameters; do not warn here.
3107	(odr_subtypes_equivalent_p): Likewise.
3108	(warn_odr): Fix typo.
3109	(warn_types_mismatch): Do not output confused warnings on integer types.
3110	(odr_types_equivalent_p): Update.
3111
31122018-11-22  Jakub Jelinek  <jakub@redhat.com>
3113
3114	* config/i386/i386.c (ix86_option_override_internal,
3115	ix86_can_inline_p, classify_argument, construct_container,
3116	ix86_expand_prologue, ix86_expand_split_stack_prologue,
3117	ix86_expand_carry_flag_compare, expand_set_or_movmem_via_loop,
3118	expand_setmem_epilogue_via_loop, promote_duplicated_reg,
3119	ix86_expand_set_or_movmem, ix86_init_builtins_va_builtins_abi):
3120	Formatting fixes.
3121
3122	* config/i386/i386.c (ix86_option_override_internal): For
3123	stack_protector_guard related options, use opts_set->x_ instead
3124	of global_options_set. and prefix options with opts->x_ .  Move
3125	defaults for offset and reg into else block.
3126
31272018-11-22  Uros Bizjak  <ubizjak@gmail.com>
3128
3129	* config/i386/i386.c (ix86_check_avx_upper_register):
3130	Return true for all SSE registers with mode bitsize > 128.
3131
31322018-11-22  Vladimir Makarov  <vmakarov@redhat.com>
3133
3134	PR rtl-optimization/87718
3135	* ira-costs.c: Remove trailing white-spaces.
3136	(record_operand_costs): Add a special treatment for moves
3137	involving a hard register.
3138
31392018-11-22  Uros Bizjak  <ubizjak@gmail.com>
3140
3141	* config/i386/i386.c (ix86_avx_emit_vzeroupper): Remove.
3142	(ix86_emit_mode_set) <case AVX_U128>: Emit vzeroupper here.
3143
31442018-11-22  Martin Liska  <mliska@suse.cz>
3145
3146	* common/config/i386/i386-common.c (processor_names): Add
3147	static assert and add missing "znver2".
3148	(ix86_get_valid_option_values): Add checking assert for null
3149	values and add "native" value if feasible.
3150	* config/i386/i386.h: Do not declare size of processor_names.
3151	* common/config/i386/i386-common.c:
3152	* config/i386/i386.c: Add static assert for size
3153	of processor_cost_table.
3154
31552018-11-22  Thomas Preud'homme  <thomas.preudhomme@linaro.org>
3156
3157	* target-insns.def (stack_protect_combined_set): Define new standard
3158	pattern name.
3159	(stack_protect_combined_test): Likewise.
3160	* cfgexpand.c (stack_protect_prologue): Try new
3161	stack_protect_combined_set pattern first.
3162	* function.c (stack_protect_epilogue): Try new
3163	stack_protect_combined_test pattern first.
3164	* config/arm/arm.c (require_pic_register): Add pic_reg and compute_now
3165	parameters to control which register to use as PIC register and force
3166	reloading PIC register respectively.  Insert in the stream of insns if
3167	possible.
3168	(legitimize_pic_address): Expose above new parameters in prototype and
3169	adapt recursive calls accordingly.  Use pic_reg if non null instead of
3170	cached one.
3171	(arm_load_pic_register): Add pic_reg parameter and use it if non null.
3172	(arm_legitimize_address): Adapt to new legitimize_pic_address
3173	prototype.
3174	(thumb_legitimize_address): Likewise.
3175	(arm_emit_call_insn): Adapt to require_pic_register prototype change.
3176	(arm_expand_prologue): Adapt to arm_load_pic_register prototype change.
3177	(thumb1_expand_prologue): Likewise.
3178	* config/arm/arm-protos.h (legitimize_pic_address): Adapt to prototype
3179	change.
3180	(arm_load_pic_register): Likewise.
3181	* config/arm/predicated.md (guard_addr_operand): New predicate.
3182	(guard_operand): New predicate.
3183	* config/arm/arm.md (movsi expander): Adapt to legitimize_pic_address
3184	prototype change.
3185	(builtin_setjmp_receiver expander): Adapt to thumb1_expand_prologue
3186	prototype change.
3187	(stack_protect_combined_set): New expander..
3188	(stack_protect_combined_set_insn): New insn_and_split pattern.
3189	(stack_protect_set_insn): New insn pattern.
3190	(stack_protect_combined_test): New expander.
3191	(stack_protect_combined_test_insn): New insn_and_split pattern.
3192	(arm_stack_protect_test_insn): New insn pattern.
3193	* config/arm/thumb1.md (thumb1_stack_protect_test_insn): New insn pattern.
3194	* config/arm/unspecs.md (UNSPEC_SP_SET): New unspec.
3195	(UNSPEC_SP_TEST): Likewise.
3196	* doc/md.texi (stack_protect_combined_set): Document new standard
3197	pattern name.
3198	(stack_protect_set): Clarify that the operand for guard's address is
3199	legal.
3200	(stack_protect_combined_test): Document new standard pattern name.
3201	(stack_protect_test): Clarify that the operand for guard's address is
3202	legal.
3203
32042018-11-22  Richard Biener  <rguenther@suse.de>
3205
3206	PR tree-optimization/88148
3207	* tree-ssa-loop-niter.c (simplify_replace_tree): Get optional
3208	valueization callback parameter and handle it.
3209	* tree-ssa-loop-niter.h (simplify_replace_tree): Export.
3210	* tree-ssa-sccvn.c (process_bb): Eliminate in loop niter trees.
3211
32122018-11-22  Richard Biener  <rguenther@suse.de>
3213
3214	PR lto/87229
3215	PR lto/88112
3216	* lto-streamer-out.c (lto_is_streamable): Allow CALL_EXPRs
3217	which can appear in size expressions.
3218	* tree-streamer-in.c (unpack_ts_base_value_fields): Stream
3219	CALL_EXPR_BY_DESCRIPTOR.
3220	(streamer_read_tree_bitfields): Stream CALL_EXPR_IFN.
3221	* tree-streamer-out.c (pack_ts_base_value_fields): Stream
3222	CALL_EXPR_BY_DESCRIPTOR.
3223	(streamer_write_tree_bitfields): Stream CALL_EXPR_IFN.
3224
3225	Revert
3226	PR lto/87229
3227	* tree.c (free_lang_data_in_one_sizepos): Free non-gimple-val
3228	sizepos values.
3229
32302018-11-22  Richard Biener  <rguenther@suse.de>
3231
3232	PR tree-optimization/88069
3233	* tree-ssa-sccvn.c (visit_phi): Tweak previous fix to not
3234	apply to default defs.
3235
32362018-11-22  Jakub Jelinek  <jakub@redhat.com>
3237
3238	PR target/85644
3239	PR target/86832
3240	* config/i386/i386.c (ix86_option_override_internal): Default
3241	ix86_stack_protector_guard to SSP_TLS only if TARGET_THREAD_SSP_OFFSET
3242	is defined.
3243	* config/i386/i386.md (stack_protect_set, stack_protect_set_<mode>,
3244	stack_protect_test, stack_protect_test_<mode>): Use empty condition
3245	instead of TARGET_SSP_TLS_GUARD.
3246
32472018-11-22  Martin Liska  <mliska@suse.cz>
3248
3249	PR sanitizer/88017
3250	* config/i386/i386.c (ix86_option_override_internal): Error
3251	about usage -mabi=ms and -fsanitize=thread.
3252
32532018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3254
3255	Revert the revert:
3256	2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3257
3258	Revert:
3259	2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3260
3261	* lra-spills.c (lra_final_code_change): Remove useless move insns.
3262
32632018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3264
3265	PR middle-end/88129
3266	* function.c (expand_function_end): Do not emit extra blockage insn.
3267
32682018-11-21  Lokesh Janghel  <lokeshjanghel91@gmail.com>
3269
3270	PR target/85667
3271	* config/i386/i386.c (function_value_ms_64): Return AX_REG instead
3272	of FIRST_SSE_REG for 4 or 8 byte modes.
3273
32742018-11-21  Jan Hubicka  <jh@suse.cz>
3275
3276	PR lto/87957
3277	* tree.c (fld_decl_context): Break out from ...
3278	(free_lang_data_in_decl): ... here; free TREE_PUBLIC, TREE_PRIVATE
3279	DECL_ARTIFICIAL of TYPE_DECL; do not free TREE_TYPE of TYPE_DECL.
3280	(fld_incomplete_type_of): Build copy of TYP_DECL.
3281	* ipa-devirt.c (free_enum_values): Rename to ...
3282	(free_odr_warning_data): ... this one; free also duplicated TYPE_DECLs
3283	and TREE_TYPEs of TYPE_DECLs.
3284	(get_odr_type): Initialize odr_vtable_hash if needed.
3285
32862018-11-21  Alexandre Oliva  <oliva@adacore.com>
3287
3288	* final.c (compute_discriminator): Declare.  Renamed from...
3289	(maybe_set_discriminator): ... this.  Set and return a local.
3290	(override_discriminator): New.
3291	(final_scan_insn_1): Set it.
3292	(notice_source_line): Adjust.  Always set discriminator.
3293
32942018-11-21  Jakub Jelinek  <jakub@redhat.com>
3295
3296	PR target/87839
3297	* config/aarch64/atomics.md (@aarch64_compare_and_swap<mode>): Use
3298	rIJ constraint for aarch64_plus_operand rather than rn.
3299
33002018-11-21  Renlin Li  <renlin.li@arm.com>
3301
3302	PR middle-end/84877
3303	* explow.h (get_dynamic_stack_size): Declare it as external.
3304	* explow.c (record_new_stack_level): Remove function static attribute.
3305	* function.c (assign_stack_local_1): Dynamically align the stack slot
3306	addr for parameter copy on the stack.
3307
33082018-11-21  Richard Biener  <rguenther@suse.de>
3309
3310	PR bootstrap/88133
3311	* bitmap.c (bitmap_last_set_bit): Refactor to avoid warning.
3312	* Makefile.in (bitmap.o-warn): Remove again.
3313
33142018-11-20  Jeff Law  <law@redhat.com>
3315
3316	PR tree-optimization/88069
3317	* tree-ssa-dom.c (record_equivalences_from_phis): Propagate away
3318	degenerate virtual PHIs.
3319
33202018-11-21  H.J. Lu  <hongjiu.lu@intel.com>
3321
3322	PR target/87317
3323	* config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Replace
3324	nonimmediate_operand with register_operand.
3325	(avx2_<code>v8qiv8si2<mask_name>): Likewise.
3326	(sse4_1_<code>v4qiv4si2<mask_name>): Likewise.
3327	(sse4_1_<code>v4hiv4si2<mask_name>): Likewise.
3328	(sse4_1_<code>v2qiv2di2<mask_name>): Likewise.
3329	(avx512f_<code>v8qiv8di2<mask_name>): Likewise.
3330	(avx2_<code>v4qiv4di2<mask_name>): Likewise.
3331	(avx2_<code>v4hiv4di2<mask_name>): Likewise.
3332	(sse4_1_<code>v2hiv2di2<mask_name>): Likewise.
3333	(sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3334	(*sse4_1_<code>v8qiv8hi2<mask_name>_1): New pattern.
3335	(*sse4_1_<code>v8qiv8hi2<mask_name>_2): Likewise.
3336	(*avx2_<code>v8qiv8si2<mask_name>_1): Likewise.
3337	(*avx2_<code>v8qiv8si2<mask_name>_2): Likewise.
3338	(*sse4_1_<code>v4qiv4si2<mask_name>_1): Likewise.
3339	(*sse4_1_<code>v4qiv4si2<mask_name>_2): Likewise.
3340	(*sse4_1_<code>v4hiv4si2<mask_name>_1): Likewise.
3341	(*sse4_1_<code>v4hiv4si2<mask_name>_2): Likewise.
3342	(*avx512f_<code>v8qiv8di2<mask_name>_1): Likewise.
3343	(*avx512f_<code>v8qiv8di2<mask_name>_2): Likewise.
3344	(*avx2_<code>v4qiv4di2<mask_name>_1): Likewise.
3345	(*avx2_<code>v4qiv4di2<mask_name>_2): Likewise.
3346	(*avx2_<code>v4hiv4di2<mask_name>_1): Likewise.
3347	(*avx2_<code>v4hiv4di2<mask_name>_2): Likewise.
3348	(*sse4_1_<code>v2hiv2di2<mask_name>_1): Likewise.
3349	(*sse4_1_<code>v2hiv2di2<mask_name>_2): Likewise.
3350	(*sse4_1_<code>v2siv2di2<mask_name>_1): Likewise.
3351	(*sse4_1_<code>v2siv2di2<mask_name>_2): Likewise.
3352
33532018-11-21  H.J. Lu  <hongjiu.lu@intel.com>
3354
3355	* read-rtl.c (apply_subst_iterator): Handle define_split and
3356	define_insn_and_split.
3357
33582018-11-21  Jakub Jelinek  <jakub@redhat.com>
3359
3360	PR rtl-optimization/87817
3361	* config/i386/i386.md (bmi2_bzhi_<mode>3, *bmi2_bzhi_<mode>3,
3362	*bmi2_bzhi_<mode>3_1, *bmi2_bzhi_<mode>3_1_ccz): Use IF_THEN_ELSE
3363	in the pattern to avoid triggering UB when operands[2] is zero.
3364	(tbm_bextri_<mode>): New expander.  Renamed the old define_insn to ...
3365	(*tbm_bextri_<mode>): ... this.
3366
33672018-11-21  Tom de Vries  <tdevries@suse.de>
3368
3369	PR driver/79855
3370	* params.def (HOT_BB_COUNT_FRACTION): Terminate help message with
3371	period.
3372
33732018-11-21  Andreas Krebbel  <krebbel@linux.ibm.com>
3374
3375	* configure.ac: Add check for Binutils to determine whether vector
3376	load/store alignments hints are being supported.
3377	* config.in: Regenerate.
3378	* configure: Regenerate.
3379	* config/s390/s390.c (print_operand): Support new output
3380	modifier A.
3381	* config/s390/s390.md ("movti"): Append alignment hint output
3382	using the new output modifier 'A'.
3383	* config/s390/vector.md ("mov<mode>", "*vec_tf_to_v1tf")
3384	("*vec_ti_to_v1ti"): Likewise.
3385
33862018-11-20  Martin Sebor  <msebor@redhat.com>
3387
3388	* doc/extend.texi (Other Builtins): Add __builtin_has_attribute.
3389
33902018-11-20  Jan Hubicka  <hubicka@ucw.cz>
3391
3392	PR lto/84044
3393	* ipa-devirt.c (odr_types_equivalent_p): Use operand_equal_p to
3394	compare ENUM values.
3395
33962018-11-20  Jakub Jelinek  <jakub@redhat.com>
3397
3398	PR tree-optimization/87895
3399	* omp-simd-clone.c (ipa_simd_modify_function_body): When removing
3400	or replacing GIMPLE_RETURN, set EDGE_FALLTHRU on the edge to EXIT.
3401	(simd_clone_adjust): Don't set EDGE_FALLTHRU here. In a loop that
3402	redirects edges to EXIT to edges to incr_bb, iterate while EXIT
3403	has any preds and always use EDGE_PRED (, 0).
3404
34052018-11-20  Uros Bizjak  <ubizjak@gmail.com>
3406
3407	PR target/88070
3408	* mode-switching.c (create_pre_exit): After reload, always split the
3409	fallthrough edge to the exit block.
3410
34112018-11-20  Jan Hubicka  <hubicka@ucw.cz>
3412
3413	* ipa-devirt.c (add_type_duplicate): Do not ICE on incomplete enums.
3414	* tree.c (build_array_type_1): Forward declare.
3415	(fld_type_variant_equal_p): Add INNER_TYPE parameter.
3416	(fld_type_variant): Likewise.
3417	(fld_simplified_types): New hash.
3418	(fld_process_array_type): New function.
3419	(fld_incomplete_type_of): Handle array and enumeration types.
3420	(fld_simplified_type): Handle simplification of arrays.
3421	(free_lang_data): Allocate and free simplified types hash.
3422
34232018-11-20  Jan Hubicka  <hubicka@ucw.cz>
3424
3425	PR lto/87957
3426	* ipa-devirt.c (odr_subtypes_equivalent_p): Report ODR violation
3427	when sybtype already violates ODR.
3428	(get_odr_type): Do not ICE when insert is false and type duplicate
3429	is not registered yet.
3430	(register_odr_type): Be sure to register subtypes first.
3431
34322018-11-20  Andreas Krebbel  <krebbel@linux.ibm.com>
3433
3434	* config/s390/s390.md ("clztidi2"): Swap the RTX's written to the
3435	DImode parts of the target operand.
3436
34372018-11-20  Nathan Sidwell  <nathan@acm.org>
3438
3439	PR 87926
3440	* Makefile.in (bitmap.o-warn): Use -Wno-error=array-bounds.
3441
34422018-11-20  Jan Hubicka  <hubicka@ucw.cz>
3443
3444	PR lto/87997
3445	* tree.c (free_lang_data_in_cgraph): Add argument fld; break out
3446	type checking to...
3447	(free_lang_data) ... here; update call of free_lang_data_in_cgraph.
3448
34492018-11-20  Jan Hubicka  <hubicka@ucw.cz>
3450
3451	PR ipa/87706
3452	* ipa-fnsummary.c (pass_ipa_fnsummary): Do not remove functions
3453	* ipa.c (possible_inline_candidate_p): Break out from ..
3454	(process_references): ... here ; drop before_inlining_p;
3455	cleanup handling of alises.
3456	(walk_polymorphic_call_targets): Likewise.
3457	(symbol_table::remove_unreachable_nodes): Likewise.
3458	* passes.c (pass_data_ipa_remove_symbols): New structure.
3459	(pass_ipa_remove_symbols): New pass.
3460	(make_pass_ipa_remove_symbols): New function.
3461	* tree-pass.h (make_pass_ipa_remove_symbols): Declare.
3462	* passes.def (pass_ipa_remove_symbols): Schedule after early passes.
3463
34642018-11-20  Richard Biener  <rguenther@suse.de>
3465
3466	* tree-vect-stmts.c (vectorizable_condition): Do not get
3467	at else_clause vect def for EXTRACT_LAST_REDUCTION.  Remove
3468	pointless vect_is_simple_use calls.
3469
34702018-11-20  Richard Biener  <rguenther@suse.de>
3471
3472	PR tree-optimization/88074
3473	* tree-ssa-dom.c (pass_dominator::execute): Do not walk
3474	backedges.
3475
34762018-11-20  Richard Biener  <rguenther@suse.de>
3477
3478	PR tree-optimization/88069
3479	* tree-ssa-sccvn.c (visit_phi): Do not value-number to unvisited
3480	virtual PHI arguments.
3481
34822018-11-20  Ilya Leoshkevich  <iii@linux.ibm.com>
3483
3484	PR target/88083
3485	* config/s390/s390.md: Skip LT(G) peephole when literal pool is
3486	involved.
3487	* rtl.h (contains_constant_pool_address_p): New function.
3488	* rtlanal.c (contains_constant_pool_address_p): Likewise.
3489
34902018-11-20  Richard Biener  <rguenther@suse.de>
3491
3492	PR middle-end/83215
3493	* alias.c (component_uses_parent_alias_set_from): Remove
3494	alias-set zero and TYPE_TYPELESS_STORAGE case both already
3495	handled in other ways.
3496
34972018-11-20  Richard Biener  <rguenther@suse.de>
3498
3499	PR tree-optimization/88087
3500	* tree-ssa-pre.c (create_expression_by_pieces): Re-materialize
3501	call fntype.
3502	* tree-ssa-sccvn.c (copy_reference_ops_from_call): Remember
3503	call fntype.
3504
35052018-11-20  Richard Biener  <rguenther@suse.de>
3506
3507	PR middle-end/88089
3508	* tree-data-ref.c (lambda_matrix_right_hermite): Use abs_hwi.
3509
35102018-11-19  Jan Hubicka  <hubicka@ucw.cz>
3511
3512	PR lto/87957
3513	* ipa-devirt.c (free_enum_values): Do not ICE on ODR vilations.
3514
35152018-11-19  Sandra Loosemore  <sandra@codesourcery.com>
3516
3517	PR driver/50250
3518	* doc/invoke.texi (Link Options): Mention shared libraries
3519	in documentation for the -l option.  Simplify discussion and
3520	point to the system linker documentation for details.
3521
35222018-11-19  Peter Bergner  <bergner@linux.ibm.com>
3523
3524	PR rtl-optimization/88033
3525	* ira-lives.c (non_conflicting_reg_copy_p): Skip copies from a register
3526	to itself.  Use HARD_REGISTER_NUM_P.
3527
35282018-11-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3529
3530	* tree-vect-loop.c (vect_transform_loop): Disable further unrolling
3531	of the loop if vf is non-constant.
3532
35332018-11-19  David Malcolm  <dmalcolm@redhat.com>
3534
3535	PR tree-optimization/87025
3536	* dumpfile.c (dump_context::begin_scope): Call end_any_optinfo
3537	immediately after creating the scope optinfo.
3538	(selftest::test_pr87025): New function.
3539	(selftest::dumpfile_c_tests): Call it.
3540	* optinfo-emit-json.cc (optrecord_json_writer::pop_scope): Assert
3541	that we're not popping the top-level records array.
3542	* optinfo.cc (optinfo::handle_dump_file_kind): Assert that we're
3543	not changing the kind of a "scope" optinfo.
3544
35452018-11-19  David Malcolm  <dmalcolm@redhat.com>
3546
3547	PR tree-optimization/87025
3548	* dump-context.h: Include "optinfo.h".
3549	(class optrecord_json_writer): New forward decl.
3550	(dump_context::forcibly_enable_optinfo_p): Delete.
3551	(dump_context::optinfo_enabled_p): New member function.
3552	(dump_context::optimization_records_enabled_p): New member
3553	function.
3554	(dump_context::set_json_writer): New member function.
3555	(dump_context::emit_optinfo): New member function.
3556	(dump_context::m_forcibly_enable_optinfo): Delete.
3557	(dump_context::m_json_writer): New member data.
3558	* dumpfile.c (dump_context::set_json_writer): New member function.
3559	(dump_context::finish_any_json_writer): New member function.
3560	(dump_context::end_scope): Replace call to
3561	optimization_records_maybe_pop_dump_scope with call to
3562	m_json_writer->pop_scope.
3563	(dump_context::optinfo_enabled_p): New member function.
3564	(dump_context::end_any_optinfo): Replace call to optinfo::emit with call
3565	to dump_context::emit_optinfo.
3566	(dump_context::emit_optinfo): New member function.
3567	(temp_dump_context::temp_dump_context): Replace
3568	m_forcibly_enable_optinfo with call to set_json_writer.
3569	(temp_dump_context::~temp_dump_context): Clean up any json writer.
3570	* optinfo-emit-json.cc (class optrecord_json_writer): Move to
3571	optinfo-emit-json.h
3572	(the_json_writer): Delete.
3573	(optimization_records_start): Delete.
3574	(optimization_records_finish): Delete.
3575	(optimization_records_enabled_p): Delete, in favor of
3576	dump_context::optimization_records_enabled_p.
3577	(optimization_records_maybe_record_optinfo): Delete.
3578	(optimization_records_maybe_pop_dump_scope): Delete.
3579	* optinfo-emit-json.h: Include "json.h".  Delete forward
3580	decl of opt_pass.
3581	(optimization_records_start): Delete.
3582	(optimization_records_finish): Delete.
3583	(optimization_records_enabled_p): Delete.
3584	(optimization_records_maybe_record_optinfo): Delete.
3585	(optimization_records_maybe_pop_dump_scope): Delete.
3586	(class optrecord_json_writer): Move here from
3587	optinfo-emit-json.cc.
3588	* optinfo.cc (optinfo::emit_for_opt_problem): Replace call
3589	to optinfo::emit with call to dump_context::emit_optinfo.
3590	(optinfo::emit): Delete, in favor of dump_context::emit_optinfo.
3591	(optinfo_enabled_p): Delete, in favor of
3592	dump_context::optinfo_enabled_p.
3593	(optinfo_wants_inlining_info_p): Update for conversion o
3594	optimization_records_enabled_p to a member function of
3595	dump_context.
3596	* optinfo.h (optinfo_enabled_p): Delete, in favor of
3597	dump_context::optinfo_enabled_p.
3598	(optinfo::emit): Delete, in favor of dump_context::emit_optinfo.
3599	* toplev.c: Include "dump-context.h".
3600	(compile_file): Replace call to optimization_records_finish with
3601	dump_context::finish_any_json_writer.
3602	(do_compile): Replace call to optimization_records_start with
3603	conditionally creating a optrecord_json_writer for the
3604	dump_context.
3605
36062018-11-19  Jakub Jelinek  <jakub@redhat.com>
3607
3608	PR tree-optimization/88071
3609	* tree-vect-loop.c (vectorize_fold_left_reduction): Pass true instead
3610	of false as last argument to gsi_remove.
3611	* tree-vect-stmts.c (vect_finish_replace_stmt): Pass true instead of
3612	false as last argument to gsi_replace.
3613
3614	PR debug/87039
3615	* omp-expand.c: Don't include debug.h.
3616	(adjust_context_and_scope): Add REGION argument.  Find DECL_CONTEXT
3617	from innermost outer parallel, task, teams or target that has a
3618	child_fn set, or, if there is no such outer region, use
3619	current_function_decl.  Do the DECL_CONTEXT adjustment regardless of
3620	whether a suitable BLOCK is found or not.
3621	(expand_parallel_call, expand_teams_call): Don't call
3622	adjust_context_and_scope here.
3623	(grid_expand_target_grid_body): Revert 2017-01-25 changes.
3624	(expand_omp_taskreg, expand_omp_target): Likewise.  Call
3625	adjust_context_and_scope.
3626	* dwarf2out.c (dwarf2out_early_global_decl): For
3627	decl_function_context recurse instead of calling dwarf2out_decl.
3628
36292018-11-20  Eric Botcazou  <ebotcazou@adacore.com>
3630
3631	PR rtl-optimization/85925
3632	* rtl.h (word_register_operation_p): New predicate.
3633	* combine.c (record_dead_and_set_regs_1): Only apply specific handling
3634	for WORD_REGISTER_OPERATIONS targets to word_register_operation_p RTX.
3635	* rtlanal.c (nonzero_bits1): Likewise.  Adjust couple of comments.
3636	(num_sign_bit_copies1): Likewise.
3637
36382018-11-19  Richard Biener  <rguenther@suse.de>
3639
3640	PR lto/87229
3641	* tree.c (free_lang_data_in_one_sizepos): Free non-gimple-val
3642	sizepos values.
3643
36442018-11-19  Eric Botcazou  <ebotcazou@adacore.com>
3645
3646	* compare-elim.c (struct comparison): Add not_in_a field.
3647	(is_not): New static function.
3648	(strip_not): Likewise.
3649	(conforming_compare): Handle a NOT in the first operand.
3650	(can_eliminate_compare): Likewise.
3651	(find_comparison_dom_walker::before_dom_children): Likewise.
3652	(try_eliminate_compare): Likewise.
3653	* config/visium/visium.md (negsi2_insn_set_carry): Turn into...
3654	(neg<mode>2_insn_set_carry): ...this and add missing NEG operation.
3655
36562018-11-19  Jonathan Wakely  <jwakely@redhat.com>
3657
3658	* doc/extend.texi (Common Type Attributes): Fix typos.
3659
36602018-11-19  Martin Liska  <mliska@suse.cz>
3661
3662	PR gcov-profile/88045
3663	* coverage.c (coverage_begin_function): Add assert.
3664
36652018-11-18  Sandra Loosemore  <sandra@codesourcery.com>
3666
3667	PR other/40498
3668	* doc/extend.texi (Common Function Attributes): Document that
3669	no_instrument_function applies to -p and -pg, too.
3670	* doc/invoke.texi (Instrumentation Options): Add cross-references
3671	to docs for -p, -pg, and -finstrument-functions.
3672
36732018-11-18  Alan Modra  <amodra@gmail.com>
3674
3675	* config/gnu-user.h (GNU_USER_TARGET_CRTI): Define.
3676	(GNU_USER_TARGET_STARTFILE_SPEC): Use it here.
3677	(GNU_USER_TARGET_CRTN): Define.
3678	(GNU_USER_TARGET_ENDFILE_SPEC): Use it here.
3679	(GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC): Define.
3680
36812018-11-18  Alan Modra  <amodra@gmail.com>
3682
3683	* config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Delete
3684	!HAVE_LD_PIE variant.
3685	(GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
3686
36872018-11-17  Nick Clifton  <nickc@redhat.com>
3688	    Sandra Loosemore  <sandra@codesourcery.com>
3689
3690	PR driver/31357
3691	* doc/invoke.texi (Overall Options): Document that --help and
3692	--help=<value> options cannot be combined.
3693
36942018-11-17  Jim Wilson  <jimw@sifive.com>
3695
3696	* config/riscv/riscv.c (epilogue_cfa_sp_offset): New.
3697	(riscv_restore_reg): If restoring HARD_FRAME_POINTER_REGNUM, and
3698	epilogue_cfa_sp_offset set, then add REG_CFA_DEF_CFA regnote.
3699	(riscv_expand_epilogue): Initialize epilogue_cfa_sp_offset.  Set it
3700	to step2 if frame_pointer_needed and step1 is 0.
3701
37022018-11-17  Sandra Loosemore  <sandra@codesourcery.com>
3703
3704	PR c++/4225
3705	* doc/cpp.texi (System Headers): Add note about implicit
3706	extern "C" block on targets that define SYSTEM_IMPLICIT_EXTERN_C.
3707
37082018-11-17  Sandra Loosemore  <sandra@codesourcery.com>
3709
3710	PR c++/4025
3711	* doc/invoke.texi (C++ Dialect Options): Clarify usage of
3712	-fno-implicit-templates.
3713
37142018-11-17  Jakub Jelinek  <jakub@redhat.com>
3715
3716	PR tree-optimization/87546
3717	* tree-vect-patterns.c (vect_look_through_possible_promotion): Add
3718	min_precision variable, initially set it to orig_precision, only does
3719	something if op_type's precision is <= min_precision and update
3720	min_precision whenever calling set_op.
3721
37222018-11-16  Jan Hubicka  <hubicka@ucw.cz>
3723
3724	PR ipa/87957
3725	* ipa-devirt.c (warn_odr): Look for main variant to get TYPE_DECL.
3726
37272018-11-16  Sandra Loosemore  <sandra@codesourcery.com>
3728
3729	* doc/invoke.texi (Option Summary): Fix whitespace and line
3730	breaks in @gccoptlist environments.
3731	(Warning Options): Likewise.
3732	(Optimize Options): Likewise.
3733	(PowerPC SPE Options): Likewise.
3734	(RS/6000 and PowerPC Options): Likewise.
3735
37362018-11-16  Jeff Law  <law@redhat.com>
3737
3738	* config/mn10300/mn10300.md (adddi3_degenerate): Remove bogus
3739	gcc_assert.
3740
37412018-11-16  Sandra Loosemore  <sandra@codesourcery.com>
3742
3743	PR middle-end/23197
3744	* doc/invoke.texi (Optimize Options): Update options enabled by
3745	fprofile-generate, -fprofile-use, and -fauto-profile.
3746
37472018-11-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
3748
3749	PR target/87927
3750	* target-def.h: Initialize TARGET_ASM_{,UN}ALIGNED_P{S,D,T}I_OP.
3751	Add them to the TARGET_ASM_{,UN}ALIGNED_INT_OP structs.
3752	* target.def: Enumerate TARGET_ASM_{,UN}ALIGNED_P{S,D,T}I_OP in
3753	the byte_op hook.
3754	* target.h: Add psi, pdi, pti to struct asm_int_op definition.
3755	* targhooks.c (default_print_patchable_function_entry): Assert
3756	asm_int_op does not return a NULL string.
3757	* varasm.c (integer_asm_op): Return the op for a partial int type
3758	when the requested size does not correspond to an integer type.
3759	* config/msp430/msp430.c: Initialize TARGET_ASM_{,UN}ALIGNED_PSI_OP.
3760	* doc/tm.texi: Regenerate.
3761
37622018-11-12  Jason Merrill  <jason@redhat.com>
3763
3764	* gimplify.c (gimplify_case_label_expr): Handle hot/cold attributes.
3765
37662018-11-16  Michael Meissner  <meissner@linux.ibm.com>
3767
3768	* config/rs6000/constraints.md (wF constraint): Remove power9
3769	fusion documentation.  Just document wF's use for power8 fusion.
3770	* config/rs6000/predicates.md (p9_fusion_reg_operand): Delete.
3771	(fusion_gpr_addis): Delete power9 fusion support.  Change power8
3772	fusion support to require the upper 12 bits to be all 0's or all
3773	1's.
3774	(fusion_gpr_mem_load): Add comment.
3775	(fusion_addis_mem_combo_load): Remove power9 fusion support.
3776	(fusion_addis_mem_combo_store): Delete.
3777	(fusion_offsettable_mem_operand): Delete.
3778	* config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Do not set
3779	power8 fusion here.
3780	(ISA_3_0_MASKS_SERVER): Delete power9 fusion.
3781	(POWERPC_MASKS): Delete power9 fusion.
3782	* config/rs6000/rs6000-protos.h (emit_fusion_load_store): Delete.
3783	(fusion_p9_p): Delete.
3784	(expand_fusion_p9_load): Delete.
3785	(expand_fusion_p9_store): Delete.
3786	(emit_fusion_p9_load): Delete.
3787	(emit_fusion_p9_store): Delete.
3788	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Delete power9
3789	fusion support.
3790	(rs6000_option_override_internal): Set power8 fusion based on
3791	whether we are tuning for power8.  Delete power9 fusion support.
3792	(rs6000_opt_masks): Delete -mpower9-fusion switch.
3793	(emit_fusion_load): Rename emit_fusion_load_store to
3794	emit_fusion_load, and drop fusion store support.  Update callers.
3795	(emit_fusion_load_store): Likewise.
3796	(emit_fusion_gpr_load): Likewise.
3797	(fusion_p9_p): Delete.
3798	(expand_fusion_p9_load): Delete.
3799	(expand_fusion_p9_store): Delete.
3800	(emit_fusion_p9_load): Delete.
3801	(emit_fusion_p9_store): Delete.
3802	* config/rs6000/rs6000.md (UNSPEC_FUSION_P9): Delete.
3803	(GPR_FUSION): Delete.
3804	(FPR_FUSION): Delete.
3805	(power9 fusion peephole2s): Delete.
3806	(fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Delete.
3807	(fusion_gpr_<P:mode>_<GPR_FUSION:mode>_store): Delete.
3808	(fusion_vsx_<P:mode>_<FPR_FUSION:mode>_load): Delete.
3809	(fusion_vsx_<P:mode>_<FPR_FUSION:mode>_store): Delete.
3810	(fusion_p9_<mode>_constant): Delete.
3811	* config/rs6000/rs6000.opt (-mpower9-fusion): Delete undocumented
3812	power9 fusion switch.
3813	* doc/md.texi (PowerPC constraints): Update wF constraint
3814	documentation for power8 fusion only.
3815
38162018-11-16  Jakub Jelinek  <jakub@redhat.com>
3817
3818	PR rtl-optimization/87475
3819	* cfgrtl.c (patch_jump_insn): Allow redirection failure for
3820	CROSSING_JUMP_P insns.
3821	(cfg_layout_redirect_edge_and_branch): Don't ICE if ret is NULL.
3822
38232018-11-16  Uros Bizjak  <ubizjak@gmail.com>
3824
3825	PR target/88051
3826	* config/i386/i386.md (floatunsdidf2): Allow only 64bit AVX512F targets.
3827	* config/i386/sse.md (UNSPEC_MOVDI_TO_SSE): New UNSPEC.
3828	(movdi_to_sse): Rewrite using UNSPEC_MOVDI_TO_SSE unspec.
3829
38302018-11-16  Jakub Jelinek  <jakub@redhat.com>
3831
3832	PR middle-end/88032
3833	* optabs.c (expand_binop): For op0_mode use GET_MODE (op0), unless it
3834	is VOIDmode, in which case use int_mode.  Similarly for op1_mode.
3835
38362018-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3837
3838	* tree-switch-conversion.h (switch_decision_tree::emit_case_nodes): Add
3839	location_t parameter.
3840	(switch_decision_tree::emit_cmp_and_jump_insns): Likewise.
3841	(switch_decision_tree::do_jump_if_equal): Likewise.
3842	* tree-switch-conversion.c (switch_decision_tree::emit): Pass location
3843	of switch statement to emit_case_nodes.
3844	(switch_decision_tree::emit_cmp_and_jump_insns): Add LOC parameter and
3845	set it on the newly built GIMPLE comparison statement.
3846	(switch_decision_tree::do_jump_if_equal): Likewise.
3847	(switch_decision_tree::emit_case_nodes): Add LOC parameter and pass it
3848	in calls to do_jump_if_equal as well as recursive calls.
3849
38502018-11-16  Andi Kleen  <ak@linux.intel.com>
3851
3852	* config/i386/i386.md: Allow memory operands to ptwrite.
3853
38542018-11-16  Michael Matz  <matz@suse.de>
3855
3856	* system.h (PRsa): New macro.
3857	(SIZE_AMOUNT): Cast number to uint64_t.
3858	* alloc-pool.h (pool_usage::dump): Don't use %zu but PRsa.
3859	(pool_usage::dump_footer): Likewise and also use PRIu64.
3860	* bitmap.h (bitmap_usage::dump): Likewise.
3861	* ggc-common.c (ggc_usage::dump): Likewise.
3862	* ggc-page.c (ggc_print_statistics): Likewise.
3863	* input.c (dump_line_table_statistics): Likewise.
3864	* mem-stats.h (mem_usage::dump): Likewise.
3865	(mem_usage::dump_footer): Likewise.
3866	* rtl.c (dump_rtx_statistics): Likewise.
3867	* tree-cfg.c (dump_cfg_stats): Likewise.
3868	* tree-dfa.c (dump_dfa_stats): Likewise.
3869	* tree-phinodes.c (phinodes_print_statistics): Likewise.
3870	* tree-ssanames (ssanames_print_statistics): Likewise.
3871	* vec.c (vec_usage::dump): Likewise.
3872	(vec_usage::dump_footer): Likewise.
3873
38742018-11-16  Richard Biener  <rguenther@suse.de>
3875
3876	PR tree-optimization/88011
3877	* tree-vrp.c (extract_range_from_binary_expr): Fix error in
3878	replacing set_value_range_to_undefined and
3879	set_value_range_to_varying with method calls.
3880
38812018-11-16  Ilya Leoshkevich  <iii@linux.ibm.com>
3882
3883	* config/s390/s390.md
3884	(*r<noxa>sbg_<mode>_srl_bitmask): Do not delegate arithmetic to
3885	assembler.
3886	(*r<noxa>sbg_<mode>_sll): Likewise.
3887	(*r<noxa>sbg_<mode>_srl): Likewise.
3888	(*r<noxa>sbg_sidi_srl): New pattern.
3889
38902018-11-16  Jerome Lambourg  <lambourg@adacore.com>
3891
3892	* config/vxworks.h (TARGET_VXWORKS_HAVE_CTORS_DTORS): New macro.
3893	Default to TARGET_VXWORKS_RTP.
3894	(SUPPORTS_INIT_PRIORITY): Use TARGET_VXWORKS_HAVE_CTORS_DTORS instead
3895	of TARGET_VXWORKS_RTP.
3896	* config/vxworks.c: Use TARGET_VXWORKS_HAVE_CTORS_DTORS instead
3897	of TARGET_VXWORKS_RTP to set targetm.have_ctors_dtors.
3898
38992018-11-15  Sandra Loosemore  <sandra@codesourcery.com>
3900
3901	PR c++/25759
3902	* doc/extend.texi (Common Type Attributes): Make it explicit
3903	that attribute "packed" can apply to C++ classes.
3904
39052018-11-15  Martin Sebor  <msebor@redhat.com>
3906
3907	PR c++/87541
3908	PR c++/87542
3909	* tree.c (type_argument_type): New function.
3910	* tree.h (type_argument_type): Declare it.
3911	* gcc/doc/extend.texi (alloc_align): Update and clarify.
3912	(alloc_size, nonnull, sentinel): Same.
3913
39142018-11-15  Andrew Stubbs  <ams@codesourcery.com>
3915	    Kwok Cheung Yeung  <kcy@codesourcery.com>
3916
3917	* tree-vect-stmts.c (vectorizable_store): Don't ICE when
3918	int_mode_for_size fails.
3919	(vectorizable_load): Likewise.
3920
39212018-11-15  David Malcolm  <dmalcolm@redhat.com>
3922
3923	* doc/ux.texi (Group logically-related diagnostics): Move
3924	discussion of auto_diagnostic_group into this new subsection.
3925	Give an example of where this grouping is used.
3926
39272018-11-15  David Malcolm  <dmalcolm@redhat.com>
3928
3929	PR other/19165
3930	* Makefile.in (OBJS): Move json.o to...
3931	(OBJS-libcommon): ...here and add diagnostic-format-json.o.
3932	* common.opt (fdiagnostics-format=): New option.
3933	(diagnostics_output_format): New enum.
3934	* diagnostic-format-json.cc: New file.
3935	* diagnostic.c (default_diagnostic_final_cb): New function, taken
3936	from start of diagnostic_finish.
3937	(diagnostic_initialize): Initialize final_cb to
3938	default_diagnostic_final_cb.
3939	(diagnostic_finish): Move "being treated as errors" messages to
3940	default_diagnostic_final_cb.  Call any final_cb.
3941	(default_diagnostic_finalizer): Add diagnostic_t param.
3942	(diagnostic_report_diagnostic): Pass "orig_diag_kind" to
3943	diagnostic_finalizer callback.
3944	* diagnostic.h (enum diagnostics_output_format): New enum.
3945	(diagnostic_finalizer_fn): Reimplement, adding diagnostic_t param.
3946	(struct diagnostic_context): Add "final_cb".
3947	(default_diagnostic_finalizer): Add diagnostic_t param.
3948	(diagnostic_output_format_init): New decl.
3949	* doc/invoke.texi (-fdiagnostics-format): New option.
3950	* dwarf2out.c (gen_producer_string): Ignore
3951	OPT_fdiagnostics_format_.
3952	* gcc.c (driver_handle_option): Handle OPT_fdiagnostics_format_.
3953	* lto-wrapper.c (append_diag_options): Ignore it.
3954	* opts.c (common_handle_option): Handle it.
3955
39562018-11-15  David Malcolm  <dmalcolm@redhat.com>
3957
3958	PR tree-optimization/88015
3959	* graphite-isl-ast-to-gimple.c
3960	(translate_isl_ast_to_gimple::scop_to_isl_ast): Add missing check
3961	for dump_enabled_p.
3962	* graphite-sese-to-poly.c (build_poly_scop): Likewise.
3963
39642018-11-15  Richard Biener  <rguenther@suse.de>
3965
3966	PR middle-end/88029
3967	* gimple.c (gimple_call_flags): Union flags from decl, type
3968	and call fntype.
3969	* trans-mem.c (is_tm_pure_call): Simplify.
3970
39712018-11-15  Richard Biener  <rguenther@suse.de>
3972
3973	PR tree-optimization/88031
3974	* tree-vect-loop.c (vectorizable_reduction): Move check
3975	for multiple types earlier so we get the expected dump.
3976	Simplify calls to vectorizable_condition.
3977	* tree-vect-stmts.h (vectorizable_condition): Update prototype.
3978	* tree-vect-stmts.c (vectorizable_condition): Instead of
3979	reduc_def and reduc_index take just a flag.  Simplify
3980	code-generation now that we can rely on the defs being set up.
3981	(vectorizable_comparison): Remove unused argument.
3982
39832018-11-15  Richard Biener  <rguenther@suse.de>
3984
3985	PR tree-optimization/88030
3986	* tree-complex.c (need_eh_cleanup): New global.
3987	(update_complex_assignment): Mark blocks that need EH update.
3988	(expand_complex_comparison): Likewise.
3989	(tree_lower_complex): Allocate and deallocate need_eh_cleanup,
3990	perform EH cleanup and schedule CFG cleanup if that did anything.
3991
39922018-11-15  Jakub Jelinek  <jakub@redhat.com>
3993
3994	PR rtl-optimization/88018
3995	* cfgrtl.c (fixup_abnormal_edges): Guard moving insns to fallthru edge
3996	on the presence of fallthru edge, rather than if it is a USE or not.
3997
39982018-11-15  Richard Biener  <rguenther@suse.de>
3999
4000	PR middle-end/87917
4001	* tree-data-ref.c (analyze_miv_subscript): Guard calls to
4002	analyze_subscript_affine_affine properly.
4003
40042018-11-15  Xianmiao Qu  <xianmiao_qu@c-sky.com>
4005
4006	* config/csky/csky-linux-elf.h (LINUX_DYNAMIC_LINKER): Remove.
4007	(GLIBC_DYNAMIC_LINKER): Define.
4008	(LINUX_TARGET_LINK_SPEC): Update the dynamic linker's name.
4009
40102018-11-15  Bin Cheng  <bin.cheng@linux.alibaba.com>
4011
4012	PR tree-optimization/84648
4013	* tree-ssa-loop-niter.c (adjust_cond_for_loop_until_wrap): New.
4014	(number_of_iterations_cond): Adjust exit cond for loop-until-wrap case
4015	by calling adjust_cond_for_loop_until_wrap.
4016
40172018-11-15  Sandra Loosemore  <sandra@codesourcery.com>
4018
4019	PR other/56334
4020	* doc/extend.texi (Common Function Attributes): Clarify linker
4021	restrictions on "aligned" attribute.
4022	(Common Variable Attributes): Likewise.  Mention that linker
4023	restrictions don't apply to stack-allocated variables.
4024
40252018-11-15  Joern Rennecke  <joern.rennecke@riscy-ip.com>
4026
4027	* gensupport.c (add_predicate_code): Properly handle ZERO_EXTRACT
4028	as an lvalue.
4029
40302018-11-14  Sandra Loosemore  <sandra@codesourcery.com>
4031
4032	PR lto/55102
4033	PR lto/56700
4034	* doc/invoke.texi (Optimize Options): Remove bad example about
4035	interaction between -flto and -O.  Replace it with a note that
4036	you need to compile with -O and not just link.  Copy-edit -flto
4037	discussion to reduce verbiage and improve flow.
4038
40392018-11-14  Sandra Loosemore  <sandra@codesourcery.com>
4040
4041	PR middle-end/59658
4042	* doc/invoke.texi (Optimize Options): Clarify that -O0 and -Og
4043	also suppress many optimizations.  Alphabetize option lists for
4044	-O1, -O2, and -Os.  Add list of options disabled with -Og, and
4045	correct documentation for those options to say that.
4046	* opts.c (default_options_table): Sort table by level and option
4047	name, to make it easier to correlate to the manual.
4048
40492018-11-14  Uros Bizjak  <ubizjak@gmail.com>
4050
4051	* config/i386/i386.c (ix86_print_operand_address_as): Simplify
4052	printing of the names of segment registers.
4053
40542018-11-14  Nathan Sidwell  <nathan@acm.org>
4055
4056	PR debug/88006
4057	PR debug/87462
4058	* dwarf2out.c (dwarf2out_finish): Apply resolve_addr to comdat
4059	type list.
4060
40612018-11-14  David Malcolm  <dmalcolm@redhat.com>
4062
4063	* Makefile.in (CFLAGS-optinfo-emit-json.o): Add $(ZLIBINC).
4064
40652018-11-14  Jakub Jelinek  <jakub@redhat.com>
4066
4067	P1236R1 - Signed integers are two's complement
4068	* doc/invoke.texi (Wshift-overflow): Adjust documentation for c++2a.
4069
4070	PR bootstrap/86739
4071	* hash-map.h (hash_map::iterator::reference_pair): New class.
4072	(hash_map::iterator::operator*): Return it rather than std::pair.
4073
40742018-11-14  Jeff Law  <law@redhat.com>
4075
4076	* optabs.c (expand_binop): Pass INT_MODE to operand_subword_force
4077	iff the operand is a constant.
4078
40792018-11-14  Aldy Hernandez  <aldyh@redhat.com>
4080
4081	* gimple-ssa-evrp-analyze.c
4082	(evrp_range_analyzer::record_ranges_from_incoming_edge): Rename
4083	ignore_equivs_equal_p to equal_p.
4084	* ipa-cp.c (meet_with_1): Use equal_p instead of
4085	ignore_equivs_equal_p.
4086	* ipa-prop.c (ipa_vr_ggc_hash_traits::equal): Same.
4087	* tree-vrp.c (value_range::ignore_equivs_equal_p): Remove.
4088	(value_range::operator==): Remove.
4089	(value_range::operator!=): Remove.
4090	(vrp_prop::visit_stmt): Use equal_p.
4091	* tree-vrp.h (value_range): Remove operator==, operator!=,
4092	ignore_equivs_equal_p.
4093	* vr-values.c (update_value_range): Use equal_p.
4094
40952018-11-14  Michael Matz  <matz@suse.de>
4096
4097	PR middle-end/86575
4098	* gimplify.c (collect_fallthrough_labels): Add new argument,
4099	return location via that, don't modify statements.
4100	(warn_implicit_fallthrough_r): Adjust call, don't use
4101	statement location directly.
4102
41032018-11-14  Richard Biener  <rguenther@suse.de>
4104
4105	PR middle-end/87985
4106	* tree-data-ref.c (split_constant_offset): Add wrapper
4107	allocating a cache hash-map.
4108	(split_constant_offset_1): Cache results of expanding
4109	expressions from SSA def stmts.
4110
41112018-11-14  Richard Biener  <rguenther@suse.de>
4112
4113	PR middle-end/88021
4114	* tree-data-ref.c (lambda_matrix_row_add): Change const1 argument
4115	to lambda_int.
4116	(lambda_vector_mult_const): Likewise.
4117	(lambda_matrix_right_hermite): Use lambda_int temporaries.
4118
41192018-11-14  Wilco Dijkstra  <wdijkstr@arm.com>
4120	    Jackson Woodruff  <jackson.woodruff@arm.com>
4121
4122	PR 71026/tree-optimization
4123	* match.pd: Simplify floating point comparisons.
4124
41252018-11-14  Jakub Jelinek  <jakub@redhat.com>
4126
4127	PR rtl-optimization/87817
4128	* config/i386/i386.c (ix86_fold_builtin): For _bzhi_u{32,64} if
4129	last argument has low 8 bits clear, fold to 0.
4130
41312018-11-14  Iain Sandoe  <iain@sandoe.co.uk>
4132
4133	* tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Cast
4134	MAX_OFILE_ALIGNMENT as needed.
4135
41362018-11-14  Richard Biener  <rguenther@suse.de>
4137
4138	PR tree-optimization/88019
4139	* graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Rewrite
4140	COND_EXPR arguments to non-trapping overflow.
4141
41422018-11-14  Claudiu Zissulescu  <claziss@synopsys.com>
4143
4144	* config/arc/arc.h (reg_class): Reorder registers classes, remove
4145	unused register classes.
4146	(REG_CLASS_NAMES): Likewise.
4147	(REG_CLASS_CONTENTS): Likewise.
4148	(FIXED_REGISTERS): Make lp_count fixed.
4149	(BASE_REG_CLASS): Remove ACC16_BASE_REGS reference.
4150	(PROGRAM_COUNTER_REGNO): Remove.
4151	* config/arc/arc.c (arc_conditional_register_usage): Remove unused
4152	register classes, use constants for register numbers, remove
4153	reg_class_contents references.
4154	(arc_process_double_reg_moves): Add asserts.
4155	(arc_secondary_reload): Remove LPCOUNT_REG reference, use
4156	lra_in_progress predicate.
4157	(arc_init_reg_tables): Remove unused register classes.
4158	(arc_register_move_cost): Likewise.
4159	(arc_preferred_reload_class): Likewise.
4160	(hwloop_optimize): Update rtx patterns involving lp_count register.
4161	(arc_return_address_register): Rename ILINK1, INLINK2 regnums macros.
4162	* config/arc/constraints.md ("c"): Choose between GENERAL_REGS and
4163	CHEAP_CORE_REGS.  Former one will be used for LRA.
4164	("Rac"): Choose between GENERAL_REGS and ALL_CORE_REGS.  Former
4165	one will be used for LRA.
4166	("w"): Choose between GENERAL_REGS and WRITABLE_CORE_REGS.  Former
4167	one will be used for LRA.
4168	("W"): Choose between GENERAL_REGS and MPY_WRITABLE_CORE_REGS.
4169	Former one will be used for LRA.
4170	("f"): Delete constraint.
4171	("k"): Likewise.
4172	("e"): Likewise.
4173	("l"): Change it from register constraint to constraint.
4174	* config/arc/arc.md (movqi_insn): Remove unsed lp_count constraints.
4175	(movhi_insn): Likewise.
4176	(movsi_insn): Update pattern.
4177	(arc_lp): Likewise.
4178	(dbnz): Likewise.
4179	(stack_tie): Remove 'b' constraint letter.
4180	(R4_REG): Define.
4181	(R9_REG, R15_REG, R16_REG, R25_REG): Likewise.
4182	(R32_REG, R40_REG, R41_REG, R42_REG, R43_REG, R44_REG): Likewise.
4183	(R57_REG, R59_REG, PCL_REG): Likewise.
4184	(ILINK1_REGNUM): Renamed to ILINK1_REG.
4185	(ILINK2_REGNUM): Renamed to ILINK2_REG.
4186	(Rgp): Remove.
4187	(SP_REGS): Likewise.
4188	(Rcw): Remove unused reg classes.
4189	* config/arc/predicates.md (dest_reg_operand): Just default on
4190	register_operand predicate.
4191	(mpy_dest_reg_operand): Likewise.
4192	(move_dest_operand): Use macros instead of constants.
4193	* config/arc/arc.opt (mlra): Switch to lra as default.
4194
41952018-11-14  Richard Biener  <rguenther@suse.de>
4196
4197	PR tree-optimization/87974
4198	* tree-vect-loop.c (vectorizable_reduction): When computing
4199	the vectorized reduction PHI vector type ignore constant
4200	and external defs.
4201
42022018-11-14  Jakub Jelinek  <jakub@redhat.com>
4203
4204	PR tree-optimization/87977
4205	* tree-ssa-math-opts.c (optimize_recip_sqrt): Don't reuse division
4206	stmt, build a new one and replace the old one with it.  Formatting fix.
4207	Call release_ssa_name (x) if !has_other_use and !delete_div.
4208	(pass_cse_reciprocals::execute): Before calling optimize_recip_sqrt
4209	verify lhs of stmt is still def.
4210
42112018-11-13  Peter Bergner  <bergner@linux.ibm.com>
4212
4213	PR rtl-optimization/87507
4214	* lower-subreg.c (operand_for_swap_move_operator): New function.
4215	(simple_move): Strip simple operators.
4216	(find_pseudo_copy): Likewise.
4217	(resolve_operand_for_swap_move_operator): New function.
4218	(resolve_simple_move): Strip simple operators and swap operands.
4219
42202018-11-13  Jakub Jelinek  <jakub@redhat.com>
4221
4222	PR tree-optimization/87898
4223	* omp-simd-clone.c (ipa_simd_modify_stmt_ops): Formatting fix.
4224	(ipa_simd_modify_function_body): Remove debug stmts where the first
4225	argument was changed into a non-decl.
4226
42272018-11-13  Peter Bergner  <bergner@linux.ibm.com>
4228
4229	PR rtl-optimization/87899
4230	* lra-lives.c (start_living): Update white space in comment.
4231	(enum point_type): New.
4232	(sparseset_contains_pseudos_p): New function.
4233	(update_pseudo_point): Likewise.
4234	(make_hard_regno_live): Use HARD_REGISTER_NUM_P macro.
4235	(make_hard_regno_dead): Likewise.  Remove ignore_reg_for_conflicts
4236	handling.  Move early exit after adding conflicts.
4237	(mark_pseudo_live): Use HARD_REGISTER_NUM_P macro.  Add early exit
4238	if regno is already live.  Remove all handling of program points.
4239	(mark_pseudo_dead): Use HARD_REGISTER_NUM_P macro.  Add early exit
4240	after adding conflicts.  Remove all handling of program points and
4241	ignore_reg_for_conflicts.
4242	(mark_regno_live): Use HARD_REGISTER_NUM_P macro.  Remove return value
4243	and do not guard call to mark_pseudo_live.
4244	(mark_regno_dead): Use HARD_REGISTER_NUM_P macro.  Remove return value
4245	and do not guard call to mark_pseudo_dead.
4246	(check_pseudos_live_through_calls): Use HARD_REGISTER_NUM_P macro.
4247	(process_bb_lives): Use HARD_REGISTER_NUM_P and HARD_REGISTER_P macros.
4248	Use new function update_pseudo_point.  Handle register copies by
4249	removing the source register from the live set.  Handle INOUT operands.
4250	Update to the next program point using the unused_set, dead_set and
4251	start_dying sets.
4252	(lra_create_live_ranges_1): Use HARD_REGISTER_NUM_P macro.
4253
42542018-11-13  David Malcolm  <dmalcolm@redhat.com>
4255
4256	* builtins.c: Replace "source_location" with "location_t".
4257	* diagnostic-show-locus.c: Likewise.
4258	* diagnostic.c: Likewise.
4259	* dumpfile.c: Likewise.
4260	* gcc-rich-location.h: Likewise.
4261	* genmatch.c: Likewise.
4262	* gimple.h: Likewise.
4263	* gimplify.c: Likewise.
4264	* input.c: Likewise.
4265	* input.h: Likewise.  Eliminate the typedef.
4266	* omp-expand.c: Likewise.
4267	* selftest.h: Likewise.
4268	* substring-locations.h (get_source_location_for_substring):
4269	Rename to...
4270	(get_location_within_string): ...this.
4271	* tree-cfg.c: Replace "source_location" with "location_t".
4272	* tree-cfgcleanup.c: Likewise.
4273	* tree-diagnostic.c: Likewise.
4274	* tree-into-ssa.c: Likewise.
4275	* tree-outof-ssa.c: Likewise.
4276	* tree-parloops.c: Likewise.
4277	* tree-phinodes.c: Likewise.
4278	* tree-phinodes.h: Likewise.
4279	* tree-ssa-loop-ivopts.c: Likewise.
4280	* tree-ssa-loop-manip.c: Likewise.
4281	* tree-ssa-phiopt.c: Likewise.
4282	* tree-ssa-phiprop.c: Likewise.
4283	* tree-ssa-threadupdate.c: Likewise.
4284	* tree-ssa.c: Likewise.
4285	* tree-ssa.h: Likewise.
4286	* tree-vect-loop-manip.c: Likewise.
4287
42882018-11-13  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
4289
4290	* doc/extend.texi: Fix typo in the weakref description.
4291
42922018-11-13  Richard Biener  <rguenther@suse.de>
4293
4294	PR tree-optimization/86991
4295	* tree-vect-loop.c (vect_is_slp_reduction): Delay reduction
4296	group building until we have successfully detected the SLP
4297	reduction.
4298	(vect_is_simple_reduction): Remove fixup code here.
4299
43002018-11-13  David Malcolm  <dmalcolm@redhat.com>
4301
4302	* dumpfile.c (VERIFY_DUMP_ENABLED_P): New macro.
4303	(dump_gimple_stmt): Use it.
4304	(dump_gimple_stmt_loc): Likewise.
4305	(dump_gimple_expr): Likewise.
4306	(dump_gimple_expr_loc): Likewise.
4307	(dump_generic_expr): Likewise.
4308	(dump_generic_expr_loc): Likewise.
4309	(dump_printf): Likewise.
4310	(dump_printf_loc): Likewise.
4311	(dump_dec): Likewise.
4312	(dump_dec): Likewise.
4313	(dump_hex): Likewise.
4314	(dump_symtab_node): Likewise.
4315	* gimple-loop-interchange.cc (tree_loop_interchange::interchange):
4316	Guard dump call with dump_enabled_p.
4317	* graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
4318	* graphite-optimize-isl.c (optimize_isl): Likewise.
4319	* graphite.c (graphite_transform_loops): Likewise.
4320	* tree-loop-distribution.c (pass_loop_distribution::execute): Likewise.
4321	* tree-parloops.c (parallelize_loops): Likewise.
4322	* tree-ssa-loop-niter.c (number_of_iterations_exit): Likewise.
4323	* tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise.
4324	(vect_prune_runtime_alias_test_list): Likewise.
4325	* tree-vect-loop.c (vect_update_vf_for_slp): Likewise.
4326	(vect_estimate_min_profitable_iters): Likewise.
4327	* tree-vect-slp.c (vect_record_max_nunits): Likewise.
4328	(vect_build_slp_tree_2): Likewise.
4329	(vect_supported_load_permutation_p): Likewise.
4330	(vect_slp_analyze_operations): Likewise.
4331	(vect_slp_analyze_bb_1): Likewise.
4332	(vect_slp_bb): Likewise.
4333	* tree-vect-stmts.c (vect_analyze_stmt): Likewise.
4334	* tree-vectorizer.c (try_vectorize_loop_1): Likewise.
4335	(pass_slp_vectorize::execute): Likewise.
4336	(increase_alignment): Likewise.
4337
43382018-11-13  David Malcolm  <dmalcolm@redhat.com>
4339
4340	PR ipa/87955
4341	* ipa-inline.c (report_inline_failed_reason): Guard calls to
4342	cl_target_option_print_diff and cl_optimization_print_diff with
4343	if (dump_file).
4344
43452018-11-13  David Malcolm  <dmalcolm@redhat.com>
4346
4347	* doc/invoke.texi (-fsave-optimization-record): Note that the
4348	output is compressed.
4349	* optinfo-emit-json.cc: Include <zlib.h>.
4350	(optrecord_json_writer::write): Compress the output.
4351
43522018-11-13  Aldy Hernandez  <aldyh@redhat.com>
4353
4354	* tree-vrp.c (value_range_base::dump): Dump type.
4355	Do not use INF nomenclature for 1-bit types.
4356	(dump_value_range): Group all variants to common dumping code.
4357	(debug): New overloaded functions for value_ranges.
4358	(value_range_base::dump): Remove no argument version.
4359	(value_range::dump): Same.
4360
43612018-11-13  Richard Biener  <rguenther@suse.de>
4362
4363	PR tree-optimization/87931
4364	* tree-vect-loop.c (vect_is_simple_reduction): Restrict
4365	nested cycles we support to latch computations vectorizable_reduction
4366	handles.
4367
43682018-11-13  Martin Liska  <mliska@suse.cz>
4369
4370	PR tree-optimization/87885
4371	* cfghooks.c (account_profile_record): Rename
4372	to ...
4373	(profile_record_check_consistency): ... this.
4374	Calculate missing num_mismatched_freq_in.
4375	(profile_record_account_profile): New function
4376	that calculates time and size of a function.
4377	* cfghooks.h (struct profile_record): Remove
4378	all tuples.
4379	(struct cfg_hooks): Remove after_pass flag.
4380	(account_profile_record): Rename to ...
4381	(profile_record_check_consistency): ... this.
4382	(profile_record_account_profile): New.
4383	* cfgrtl.c (rtl_account_profile_record): Remove
4384	after_pass flag.
4385	* passes.c (check_profile_consistency): Do only
4386	checking.
4387	(account_profile): Calculate size and time of
4388	function only.
4389	(pass_manager::dump_profile_report): Reformat
4390	output.
4391	(execute_one_ipa_transform_pass): Call
4392	consistency check before clean upand call account_profile
4393	after a clean up is done.
4394	(execute_one_pass): Call check_profile_consistency and
4395	account_profile instead of using after_pass flag..
4396	* tree-cfg.c (gimple_account_profile_record): Likewise.
4397
43982018-11-13  Martin Liska  <mliska@suse.cz>
4399
4400	PR sanitizer/87930
4401	* config/i386/i386.c (ix86_option_override_internal): Error
4402	about usage -mabi=ms and -fsanitize={,kernel-}address.
4403
44042018-11-13  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4405
4406	* config/aarch64/aarch64.c
4407	(aarch64_vectorize_preferred_vector_alignment): Change return type to
4408	poly_uint64.
4409	(aarch64_simd_vector_alignment_reachable): Adapt to preferred vector
4410	alignment being a poly int.
4411	* doc/tm.texi (TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): Change
4412	return type to poly_uint64.
4413	* target.def (default_preferred_vector_alignment): Likewise.
4414	* targhooks.c (default_preferred_vector_alignment): Likewise.
4415	* targhooks.h (default_preferred_vector_alignment): Likewise.
4416	* tree-vect-data-refs.c (vect_calculate_target_alignment): Likewise.
4417	(vect_compute_data_ref_alignment): Adapt to vector alignment being a
4418	poly int.
4419	(vect_update_misalignment_for_peel): Likewise.
4420	(vect_enhance_data_refs_alignment): Likewise.
4421	(vect_find_same_alignment_drs): Likewise.
4422	(vect_duplicate_ssa_name_ptr_info): Likewise.
4423	(vect_setup_realignment): Likewise.
4424	(vect_can_force_dr_alignment_p): Change alignment parameter type to
4425	poly_uint64.
4426	* tree-vect-loop-manip.c (get_misalign_in_elems): Learn to construct a
4427	mask with a compile time variable vector alignment.
4428	(vect_gen_prolog_loop_niters): Adapt to vector alignment being a poly
4429	int.
4430	(vect_do_peeling): Exit early if vector alignment is not constant.
4431	* tree-vect-stmts.c (ensure_base_align): Adapt to vector alignment being
4432	a poly int.
4433	(vectorizable_store): Likewise.
4434	(vectorizable_load): Likweise.
4435	* tree-vectorizer.h (struct dr_vec_info): Make target_alignment field a
4436	poly_uint64.
4437	(vect_known_alignment_in_bytes): Adapt to vector alignment being a
4438	poly int.
4439	(vect_can_force_dr_alignment_p): Change alignment parameter type to
4440	poly_uint64.
4441
44422018-11-13  Richard Biener  <rguenther@suse.de>
4443
4444	PR tree-optimization/87962
4445	* tree-vect-loop.c (vect_is_simple_reduction): More reliably
4446	detect outer reduction for disqualifying in-loop uses.
4447
44482018-11-13  Richard Biener  <rguenther@suse.de>
4449
4450	PR tree-optimization/87967
4451	* tree-vect-loop.c (vect_transform_loop): Also copy PHIs
4452	for constants for the scalar loop.
4453
44542018-11-13  Alan Modra  <amodra@gmail.com>
4455
4456	* config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Exclude
4457	integer constants when -mcmodel=medium.
4458
44592018-11-13  Claudiu Zissulescu  <claziss@synopsys.com>
4460
4461	* config/arc/arc.h (FUNCTION_PROFILER): Redefine to empty.
4462	* config/arc/elf.h (PROFILE_HOOK): Define.
4463	* config/arc/linux.h (PROFILE_HOOK): Likewise.
4464
44652018-11-13  Claudiu Zissulescu  <claziss@synopsys.com>
4466
4467	* config/arc/arc.c (hwloop_optimize): Bailout when detecting a
4468	jump table data in the text section.
4469
44702018-11-13  Claudiu Zissulescu  <claziss@synopsys.com>
4471
4472	* config/arc/arc.c (arc_eh_return_address_location): Repurpose it
4473	to fit the eh_return pattern.
4474	* config/arc/arc.md (eh_return): Define.
4475	(VUNSPEC_ARC_EH_RETURN): Likewise.
4476	* config/arc/arc-protos.h (arc_eh_return_address_location): Match
4477	new implementation.
4478	* config/arc/arc.h (EH_RETURN_HANDLER_RTX): Remove it.
4479
4480
44812018-11-13  Claudiu Zissulescu  <claziss@synopsys.com>
4482
4483	* common/config/arc/arc-common.c (arc_option_optimization_table):
4484	Millicode optimization is default on for size optimizations.
4485	* config/arc/arc-protos.h (arc_check_multi): New function.
4486	* config/arc/arc.c (RTX_OK_FOR_OFFSET_P): Rearange.
4487	(ENTER_LEAVE_START_REG): Define.
4488	(ENTER_LEAVE_END_REG): Likewise.
4489	(arc_override_options): Disable millicode when long calls option
4490	is on.
4491	(arc_frame_info): Change it from int to bool.
4492	(arc_compute_frame_size): Clean up.
4493	(arc_save_restore): Remove.
4494	(frame_save_reg): New function.
4495	(frame_restore_reg): Likewise.
4496	(arc_enter_leave_p): Likewise.
4497	(arc_save_callee_saves): Likewise.
4498	(arc_restore_callee_saves): Likewise.
4499	(arc_save_callee_enter): Likewise.
4500	(arc_restore_callee_leave): Likewise.
4501	(arc_save_callee_milli): Likewise.
4502	(arc_restore_callee_milli): Likewise.
4503	(arc_expand_prologue): Reimplement to emit enter/leave
4504	instructions.
4505	(arc_expand_epilogue): Likewise.
4506	(arc_check_multi): New function.
4507	* config/arc/arc.md (push_multi_fp): New pattern.
4508	(push_multi_fp_blink): Likewise.
4509	(pop_multi_fp): Likewise.
4510	(pop_multi_fp_blink): Likewise.
4511	(pop_multi_fp_ret): Likewise.
4512	(pop_multi_fp_blink_ret): Likewise.
4513	* config/arc/arc.opt (mmillicode): Update option.
4514	(mcode-density-frame): New option.
4515	* config/arc/predicates.md (push_multi_operand): New predicate.
4516	(pop_multi_operand): Likewise.
4517	* doc/invoke.texi (ARC): Update ARC options information.
4518
4519
45202018-11-13  Claudiu Zissulescu  <claziss@synopsys.com>
4521
4522	* config/arc/arc-protos.h (gen_operands_ldd_std): Add.
4523	* config/arc/arc.c (operands_ok_ldd_std): New function.
4524	(mem_ok_for_ldd_std): Likewise.
4525	(gen_operands_ldd_std): Likewise.
4526	* config/arc/arc.md: Add peephole2 rules for std/ldd.
4527
45282018-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4529
4530	* toplev.c (output_stack_usage): Turn test on flag_stack_usage into
4531	test on stack_usage_file.
4532	(lang_dependent_init): Do not open the .su file if generating LTO.
4533
45342018-11-13  Jakub Jelinek  <jakub@redhat.com>
4535
4536	PR rtl-optimization/87918
4537	* simplify-rtx.c (simplify_merge_mask): For COMPARISON_P, use
4538	simplify_gen_relational rather than simplify_gen_binary.
4539
45402018-11-13  Richard Biener  <rguenther@suse.de>
4541
4542	* tree-ssanames.h (set_range_info): Use value_range_base.
4543	(get_range_info): Likewise.
4544	* tree-ssanames.c (set_range_info): Likewise.
4545	(get_range_info): Likewise.
4546	* tree-vrp.c (value_range_base::union_helper): Split
4547	out common parts of value_range[_base]::union_.
4548	(value_range_base::union_): Update.
4549	(value_range::union_): Likewise.
4550	(determine_value_range_1): Use value_range_base.
4551	(determine_value_range): Likewise.
4552	* tree-vrp.h (value_range_base::union_helper): Move ...
4553	(value_range::union_helper): ... from here.
4554
45552018-11-13  Alan Modra  <amodra@gmail.com>
4556
4557	* config/rs6000/rs6000.c (rs6000_secondary_reload_inner): Negate
4558	offset for PRE_DEC.
4559	(rs6000_secondary_reload_gpr): Don't call find_replacement.
4560
45612018-11-13  Sandra Loosemore  <sandra@codesourcery.com>
4562
4563	PR middle-end/59634
4564	* doc/invoke.texi (Optimize Options): Clarify that the
4565	l1-cache-line-size, l1-cache-size, and l2-cache-size parameters
4566	apply to data cache size.
4567
45682018-11-13  Alan Modra  <amodra@gmail.com>
4569
4570	* config/rs6000/predicates.md (logical_const_operand),
4571	(logical_operand): Correct comment.
4572	* config/rs6000/rs6000.c (rs6000_emit_prologue): Comment fix.
4573
45742018-11-13  Alan Modra  <amodra@gmail.com>
4575
4576	* config/rs6000/rs6000.md (addsi3_high): Prefix with '*'.
4577
45782018-11-13  Alan Modra  <amodra@gmail.com>
4579
4580	* gcc/doc/md.texi (Machine Constraints): Correct rs6000 h constraint
4581	description.
4582	* config/rs6000/rs6000.md (movsi_internal1): Delete MT%0 case
4583	covered by alternative.
4584	(movcc_internal1): Ignore h for register preference.
4585	(mov<mode>_hardfloat64): Likewise.
4586	(mov<mode>_softfloat): Ignore c, l, h for register preference.
4587
45882018-11-12  Sandra Loosemore  <sandra@codesourcery.com>
4589
4590	PR preprocessor/47823
4591	* doc/cpp.texi (Alternatives to Wrapper #ifndef): Move #pragma once
4592	documentation to...
4593	(Pragmas): ...here.
4594	* doc/extend.texi (Pragmas): Note additional pragmas documented
4595	in the CPP manual.
4596
45972018-11-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
4598
4599	PR middle-end/86677
4600	PR middle-end/87528
4601	* tree-scalar-evolution.c (expression_expensive_p): Make
4602	BUILTIN POPCOUNT as expensive when backend does not define it.
4603
46042018-11-12  Fredrik Noring  <noring@nocrew.org>
4605
4606	* config.gcc: Update with-llsc defaults for MIPS r5900.
4607
46082018-11-12  Martin Liska  <mliska@suse.cz>
4609
4610	PR gcov-profile/87442
4611	* common.opt: Add -fprofile-filter-files and -fprofile-exclude-files
4612	options.
4613	* doc/invoke.texi: Document them.
4614	* tree-profile.c (parse_profile_filter): New.
4615	(parse_profile_file_filtering): Likewise.
4616	(release_profile_file_filtering): Likewise.
4617	(include_source_file_for_profile): Likewise.
4618	(tree_profiling): Filter source files based on the
4619	newly added options.
4620
46212018-11-12  Martin Liska  <mliska@suse.cz>
4622
4623	PR target/87903
4624	* doc/extend.texi: Add missing values for __builtin_cpu_is and
4625	__builtin_cpu_supports for x86 target.
4626
46272018-11-12  Sandra Loosemore  <sandra@codesourcery.com>
4628
4629	PR middle-end/21110
4630	* doc/rtl.texi (Constants): Clarify that mode of "high" doesn't
4631	have to be Pmode.
4632	(Arithmetic): Likewise for "lo_sum".
4633
46342018-11-12  Renlin Li  <renlin.li@arm.com>
4635
4636	PR target/87815
4637	* dse.c (get_stored_val): Add check for compile-time constantness
4638	of gap.
4639
46402018-11-12  Sudakshina Das  <sudi.das@arm.com>
4641
4642	* config/arm/arm-cpus.in (armv8_5, sb, predres): New features.
4643	(ARMv8_5a): New fgroup.
4644	(armv8.5-a): New arch.
4645	(armv8-a, armv8.1-a, armv8.2-a, armv8.3-a, armv8.4-a): New options
4646	sb and predres.
4647	* config/arm/arm-tables.opt: Regenerate.
4648	* config/arm/t-aprofile: Add matching rules for -march=armv8.5-a
4649	* config/arm/t-arm-elf (all_v8_archs): Add armv8.5-a.
4650	* config/arm/t-multilib (v8_5_a_simd_variants): New variable.
4651	Add matching rules for -march=armv8.5-a and extensions.
4652	* doc/invoke.texi (ARM options): Document -march=armv8.5-a.
4653	Add sb and predres to all armv8-a except armv8.5-a.
4654
46552018-11-12  Richard Biener  <rguenther@suse.de>
4656
4657	* tree-vrp.h (value_range[_base]::set): Make public.  Provide
4658	overload for single value.
4659	(value_range[_base]::set_nonnull): New.
4660	(value_range[_base]::set_null): Likewise.
4661	(value_range): Document bitmap copying behavior, mark
4662	copy constructor and assignment operator deleted.
4663	(value_range::move): New.
4664	(value_range::set_and_canonicalize): Default bitmap to zero.
4665	(set_value_range_to_nonnull): Remove.
4666	(set_value_range_to_null): Likewise.
4667	(set_value_range): Likewise.
4668	(set_value_range_to_value): Likewise.
4669	(extract_range_from_unary_expr): Work on value_range_base.
4670	(extract_range_from_binary_expr_1): Likewise.  Rename to...
4671	(extract_range_from_binary_expr): ... this.
4672	* tree-vrp.c (value_range::update): Clear equiv bitmap
4673	if required.
4674	(value_range::move): New, move equiv bitmap.
4675	(value_range_base::set_undefined): Avoid assignment.
4676	(value_range::set_undefined): Likewise.
4677	(value_range_base::set_varying): Likewise.
4678	(value_range::set_varying): Likewise.
4679	(set_value_range): Remove.
4680	(value_range_base::set): New overload for value.
4681	(value_range::set): Likewise.
4682	(set_value_range_to_nonnull): Remove.
4683	(value_range_base::set_nonnull): New.
4684	(value_range::set_nonnull): Likewise.
4685	(set_value_range_to_null): Remove.
4686	(value_range_base::set_null): New.
4687	(value_range::set_null): Likewise.
4688	(range_is_null): Work on value_range_base.
4689	(range_is_nonnull): Likewise.
4690	(ranges_from_anti_range): Likewise.
4691	(extract_range_into_wide_ints): Likewise.
4692	(extract_range_from_multiplicative_op): Likewise.
4693	(extract_range_from_binary_expr): Likewise.  Update for API changes.
4694	(extract_range_from_unary_expr): Likewise.  Remove OBJ_TYPE_REF
4695	handling.
4696	(value_range::intersect_helper): Avoid copy and assignment.
4697	(value_range::union_helper): Likewise.
4698	(determine_value_range_1): Adjust.
4699	* gimple-ssa-evrp-analyze.c (evrp_range_analyzer::try_find_new_range):
4700	Avoid assignment by using move.
4701	(evrp_range_analyzer::record_ranges_from_stmt): Avoid assignment.
4702	* tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
4703	Likewise.
4704	* tree-ssanames.c (get_range_info): Likewise.
4705	* vr-values.h (vr_values::get_vr_for_comparison): Adjust API.
4706	* vr-values.c (vr_values::get_value_range): Adjust.
4707	(vr_values::update_value_range): Likewise.
4708	(symbolic_range_based_on_p): Work on value_range_base.
4709	(vr_values::extract_range_from_binary_expr): Use value_range_base.
4710	(vr_values::extract_range_from_unary_expr): Likewise.
4711	(vr_values::extract_range_from_cond_expr): Avoid assignment.
4712	(vr_values::extract_range_from_comparison): Adjust.
4713	(vr_values::check_for_binary_op_overflow): Use value_range_base.
4714	(vr_values::extract_range_basic): Adjust.
4715	(vr_values::adjust_range_with_scev): Likewise.
4716	(vr_values::vrp_visit_assignment_or_call): Likewise.
4717	(vr_values::get_vr_for_comparison): Change API to avoid
4718	assignment and copy construction.
4719	(vr_values::compare_name_with_value): Adjust accordingly.
4720	(vr_values::compare_names): Likewise.
4721	(vr_values::extract_range_from_phi_node): Avoid assignment and
4722	bogus in-place modify of equiv bitmap.
4723	(vr_values::simplify_bit_ops_using_ranges): Use value_range_base.
4724	* ipa-prop.c (ipa_compute_jump_functions_for_edge): Adjust
4725	for extract_range_from_unary_expr API change.
4726	* ipa-cp.c (ipa_vr_operation_and_type_effects): Likewise.
4727
47282018-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4729
4730	* config/mcore/mcore.h (WORD_REGISTER_OPERATIONS): Remove duplicate.
4731
47322018-11-12  Richard Biener  <rguenther@suse.de>
4733
4734	* tree-vrp.h (value_range_base::symbolic_p,
4735	value_range_base::constant_p, value_range_base::zero_p,
4736	value_range_base::singleton_p): Move from value_range.
4737	(value_range::dump): Add.
4738	* gimple-ssa-evrp-analyze.c
4739	(evrp_range_analyzer::record_ranges_from_phis): Use set_varying.
4740	* ipa-cp.c (ipcp_vr_lattice::print): Use dump_value_range.
4741	* tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
4742	Use set_varying.
4743	* tree-vrp.c (value_range::symbolic_p): Move to value_range_base.
4744	(value_range::constant_p): Likewise.
4745	(value_range::singleton_p): Likewise.
4746	(value_range_base::dump): Add.
4747	(set_value_range_to_undefined): Remove.
4748	(set_value_range_to_varying): Likewise.
4749	(range_int_cst_p): Take value_range_base argument.
4750	(range_int_cst_singleton_p): Likewise.
4751	(value_range_constant_singleton): Likewise.
4752	(vrp_set_zero_nonzero_bits): Likewise.
4753	(extract_range_from_multiplicative_op): Use set_varying.
4754	(extract_range_from_binary_expr_1): Likewise. Use set_undefined.
4755	(extract_range_from_unary_expr): Likewise.
4756	(dump_value_range_base): Change to overload of dump_value_range.
4757	(vrp_prop::vrp_initialize): Use set_varying and set_undefined.
4758	(vrp_prop::visit_stmt): Likewise.
4759	(value_range::intersect_helper): Likewise.
4760	(value_range::union_helper): Likewise.
4761	(determine_value_range_1): Likewise.
4762
47632018-11-12  Richard Biener  <rguenther@suse.de>
4764
4765	* tree-vrp.c (set_value_range_to_nonnull): Clear equiv.
4766	(set_value_range_to_null): Likewise.
4767	* vr-values.c (vr_values::extract_range_from_comparison):
4768	Clear equiv for constant singleton ranges.
4769
47702018-11-12  Wei Xiao  <wei3.xiao@intel.com>
4771
4772	* config/i386/sse.md: Combine VFIXUPIMM* patterns
4773	(<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4774	(<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4775	(<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
4776	(avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4777	(avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4778	(avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
4779
47802018-11-11  Sandra Loosemore  <sandra@codesourcery.com>
4781
4782	PR c/69502
4783	* doc/extend.texi (Common Type Attributes): For the align type
4784	attribute, copy language about decreasing alignment from the
4785	corresponding variable attribute.
4786
47872018-11-11  Xianmiao Qu  <xianmiao_qu@c-sky.com>
4788
4789	* config/csky/csky.md (*fpuv2_nmulsf3_1, *fpuv2_nmuldf3_1): Handle
4790	-frounding-math.
4791
47922018-11-11  Sandra Loosemore  <sandra@codesourcery.com>
4793
4794	PR c++/43105
4795	* doc/invoke.texi (C++ Dialect Options): Add warning about mixing
4796	-frtti and -fno-rtti code.
4797
47982018-11-11  Sandra Loosemore  <sandra@codesourcery.com>
4799
4800	PR c/26366
4801	* doc/extend.texi (Other Builtins): Document probability associated
4802	with __builtin_expect.
4803
48042018-11-11  Uros Bizjak  <ubizjak@gmail.com>
4805
4806	PR target/87928
4807	* config/i386/i386.h (STACK_BOUNDARY): Use TARGET_64BIT_MS_ABI
4808	instead of (TARGET_64BIT && ix86_abi == MS_ABI).
4809	* config/i386/darwin.h (STACK_BOUNDARY): Ditto.
4810	* config/i386/cygming.h (STACK_BOUNDARY): Remove.
4811
48122018-11-11  Xianmiao Qu  <xianmiao_qu@c-sky.com>
4813
4814	* config/csky/csky-linux-elf.h (CC1_SPEC): Support -profile.
4815
48162018-11-11  Xianmiao Qu  <xianmiao_qu@c-sky.com>
4817
4818	* config/csky/csky.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4819
48202018-11-11  Richard Biener  <rguenther@suse.de>
4821
4822	* tree-vrp.h (class value_range_base): New base class for
4823	value_range containing all but the m_equiv member.
4824	(dump_value_range_base): Add.
4825	(range_includes_zero_p): Work on value_range_base.
4826	* tree-vrp.c (value_range_base::set): Split out base handling
4827	from...
4828	(value_range::set): this.
4829	(value_range::set_equiv): New.
4830	(value_range_base::value_range_base): New constructors.
4831	(value_range_base::check): Split out base handling from...
4832	(value_range::check): this.
4833	(value_range::equal_p): Refactor in terms of
4834	ignore_equivs_equal_p which is now member of the base.
4835	(value_range_base::set_undefined): New.
4836	(value_range_base::set_varying): Likewise.
4837	(value_range_base::dump):Split out base handling from...
4838	(value_range::dump): this.
4839	(value_range_base::set_and_canonicalize): Split out base handling
4840	from...
4841	(value_range::set_and_canonicalize): this.
4842	(value_range_base::union_): New.
4843	* ipa-prop.h (struct ipa_jump_func): Use value_range_base *
4844	for m_vr.
4845	* ipa-cp.c (class ipcp_vr_lattice): Use value_range_base
4846	instead of value_range everywhere.
4847	(ipcp_vr_lattice::print): Use dump_value_range_base.
4848	(ipcp_vr_lattice::meet_with): Adjust.
4849	(ipcp_vr_lattice::meet_with_1): Likewise.
4850	(ipa_vr_operation_and_type_effects): Likewise.
4851	(propagate_vr_across_jump_function): Likewise.
4852	* ipa-prop.c (struct ipa_vr_ggc_hash_traits): Likewise.
4853	(ipa_get_value_range): Likewise.
4854	(ipa_set_jfunc_vr): Likewise.
4855	(ipa_compute_jump_functions_for_edge): Likewise.
4856
48572018-11-10  Sandra Loosemore  <sandra@codesourcery.com>
4858
4859	PR middle-end/65703
4860	* doc/invoke.texi (Optimize Options): Add @opindex entries
4861	for the positive forms of -fno-xxx and -mno-xxx options
4862	that were lacking them.
4863
48642018-11-10  Segher Boessenkool  <segher@kernel.crashing.org>
4865
4866	* combine.c (make_more_copies): Only make an intermediate copy if the
4867	dest of a move is a pseudo.
4868
48692018-11-09  Maya Rashish  <coypu@sdf.org>
4870
4871	PR target/87221
4872	* config/netbsd-elf.h (NETBSD_STARTFILE_SPEC): Use crtbeginS.o for PIE.
4873	(NETBSD_ENDFILE_SPEC): Use crtendS.o for PIE.
4874
48752018-11-09  Sandra Loosemore  <sandra@codesourcery.com>
4876
4877	PR driver/41179
4878	PR middle-end/65703
4879	* doc/invoke.texi (Optimize Options): Clarify default behavior
4880	for -fno-toplevel-reorder, -fno-defer-pop, and -fno-branch-count-reg.
4881
48822018-11-09  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4883
4884	PR tree-optimization/87940
4885	* expr.c (string_constant): Don't strip NOPS in subexpressions.
4886	Fold PLUS_EXPR correctly.
4887
48882018-11-09  Ilya Leoshkevich  <iii@linux.ibm.com>
4889
4890	PR target/87762
4891	* config/s390/s390.c (s390_safe_relative_long_p): New function.
4892	(annotate_constant_pool_refs): Skip insns which support
4893	relative addressing.
4894	(annotate_constant_pool_refs_1): New helper function.
4895	(find_constant_pool_ref): Skip insns which support relative
4896	addression.
4897	(find_constant_pool_ref_1): New helper function.
4898	(replace_constant_pool_ref): Skip insns which support
4899	relative addressing.
4900	(replace_constant_pool_ref_1): New helper function.
4901	(s390_mainpool_start): Adapt to the new signature.
4902	(s390_mainpool_finish): Likewise.
4903	(s390_chunkify_start): Likewise.
4904	(s390_chunkify_finish): Likewise.
4905	(pass_s390_early_mach::execute): Likewise.
4906	(s390_prologue_plus_offset): Likewise.
4907	(s390_emit_prologue): Likewise.
4908	(s390_emit_epilogue): Likewise.
4909
49102018-11-09  Jakub Jelinek  <jakub@redhat.com>
4911
4912	* gimplify.c (gimplify_scan_omp_clauses): Call sorry_at for valid
4913	but unsupported lastprivate with conditional modifier.
4914
49152018-11-09  Jeff Law  <law@redhat.com>
4916
4917	* config/mips/mips.c (mips_loongson_ext2_prefetch_cookie): Handle
4918	unused argument better.  Add gcc_unreachable to silence warning.
4919
49202018-11-09  Martin Sebor  <msebor@redhat.com>
4921
4922	PR middle-end/81824
4923	* attribs.c (has_attribute): New helper function.
4924	(decls_mismatched_attributes, maybe_diag_alias_attributes): Same.
4925	* attribs.h (decls_mismatched_attributes): Declare.
4926	* cgraphunit.c (handle_alias_pairs): Call maybe_diag_alias_attributes.
4927	(maybe_diag_incompatible_alias): Use OPT_Wattribute_alias_.
4928	* common.opt (-Wattribute-alias): Take an argument.
4929	(-Wno-attribute-alias): New option.
4930	* doc/extend.texi (Common Function Attributes): Document copy.
4931	(Common Variable Attributes): Same.
4932	* doc/invoke.texi (-Wmissing-attributes): Document enhancement.
4933	(-Wattribute-alias): Document new option argument.
4934
49352018-11-09  Richard Earnshaw  <rearnsha@arm.com>
4936
4937	* config/arm/parsecpu.awk (/alias/): Tighten invisible alias
4938	matching criteria.  Remove unused array initializer.
4939
49402018-11-09  Bill Schmidt  <wschmidt@linux.ibm.com>
4941	    Jinsong Ji  <jji@us.ibm.com>
4942
4943	* config/rs6000/xmmintrin.h (_mm_cvtss_si32): Fix incorrect
4944	constraints by introducing a new temporary.
4945	(_mm_cvtss_si64): Likewise.
4946
49472018-11-09  Martin Liska  <mliska@suse.cz>
4948
4949	* common.opt: Add -fipa-stack-alignment flag.
4950	* doc/invoke.texi: Document it.
4951	* final.c (rest_of_clean_state): Guard stack
4952	shrinking with flag.
4953
49542018-11-09  Martin Liska  <mliska@suse.cz>
4955
4956	* cgraph.h (ipa_discover_readonly_nonaddressable_vars): Rename
4957	to ...
4958	(ipa_discover_variable_flags): ... this.
4959	* common.opt: Come up with new flag -fipa-reference-addressable.
4960	* doc/invoke.texi: Document it.
4961	* ipa-reference.c (propagate): Call the renamed fn.
4962	* ipa-visibility.c (whole_program_function_and_variable_visibility):
4963	Likewise.
4964	* ipa.c (ipa_discover_readonly_nonaddressable_vars): Renamed to
4965	...
4966	(ipa_discover_variable_flags): ... this.  Discover
4967	non-addressable variables only with the newly added flag.
4968	* opts.c: Enable the newly added flag with -O1 and higher
4969	optimization level.
4970
49712018-11-09  David Malcolm  <dmalcolm@redhat.com>
4972
4973	* json.cc (selftest::test_writing_literals): Fix comment.
4974
49752018-11-09  Martin Liska  <mliska@suse.cz>
4976
4977	* config/aarch64/aarch64.c (aarch64_parse_arch): Do not copy
4978	string to a stack buffer.
4979	(aarch64_parse_cpu): Likewise.
4980	(aarch64_parse_tune): Likewise.
4981
49822018-11-09  Richard Biener  <rguenther@suse.de>
4983
4984	PR tree-optimization/87953
4985	* tree-vect-loop.c (vectorizable_reduction): For analysis
4986	always pass ops[0] to vectorizable_condition.
4987
49882018-11-09  Stafford Horne  <shorne@gmail.com>
4989	    Richard Henderson  <rth@twiddle.net>
4990	    Joel Sherrill  <joel@rtems.org>
4991
4992	* common/config/or1k/or1k-common.c: New file.
4993	* config/or1k/*: New.
4994	* config.gcc (or1k*-*-*): New.
4995	* configure.ac (or1k*-*-*): New test for openrisc tls.
4996	* configure: Regenerated.
4997	* doc/install.texi: Document OpenRISC triplets.
4998	* doc/invoke.texi: Document OpenRISC arguments.
4999	* doc/md.texi: Document OpenRISC.
5000
50012018-11-09  Richard Earnshaw  <rearnsha@arm.com>
5002
5003	* config/arm/arm-cpus.in (arm7tdmi): Add an alias for arm7tdmi-s.
5004	(arm7tdmi-s): Delete CPU.
5005	(arm710t): Add aliases for arm720t and arm740t.
5006	(arm720t, arm740t): Delete CPUs.
5007	(arm920t): Add aliases for arm920, arm922t and arm940t.
5008	(arm920, arm922t, arm940t): Delete CPUs.
5009	(arm10tdmi): Add alias for arm1020t.
5010	(arm1020t): Delete CPU.
5011	(arm9e): Add aliases for arm946e-s, arm966e-s and arm968e-s.
5012	(arm946e-s, arm966e-s, arm968e-s): Delete CPUs.
5013	(arm10e): Add aliases for arm1020e and arm1022e.
5014	(arm1020e, arm1022e): Delete CPU.
5015	* config/arm/arm.md (generic_sched): Remove entries that are now
5016	handled by aliases.
5017	(generic_vfp): Likewise.
5018	* config/arm/arm1020e.md: Simplify tuning selection based on alias
5019	changes.
5020	* config/arm/arm-tune.md: Regenerated.
5021	* config/arm/arm-tables.opt: Regenerated.
5022
50232018-11-09  Richard Biener  <rguenther@suse.de>
5024
5025	PR tree-optimization/87621
5026	* tree-vect-loop.c (vectorizable_reduction): Handle reduction
5027	op with only phi inputs.
5028	* tree-ssa-loop-ch.c: Include tree-ssa-sccvn.h.
5029	(ch_base::copy_headers): Run CSE on copied loop headers.
5030	(pass_ch_vect::process_loop_p): Simplify.
5031
50322018-11-09  Alexandre Oliva  <oliva@adacore.com>
5033
5034	* config/i386/mingw32.h (LINK_SPEC_LARGE_ADDR_AWARE): Adjust
5035	for non-w64 x86_64 biarch.
5036
50372018-11-09  Alexandre Oliva  <aoliva@redhat.com>
5038
5039	PR rtl-optimization/86438
5040	* compare-elim.c (try_eliminate_compare): Use SET_SRC instead
5041	of in_b for the compare if in_b is SET_DEST.
5042
5043	PR target/87793
5044	* config/i386/i386.c (ix86_const_not_ok_for_debug_p): Reject
5045	non-toplevel UNSPEC.
5046
50472018-11-08  Aldy Hernandez  <aldyh@redhat.com>
5048
5049	* tree-vrp.c (value_range::check): Do not access internals
5050	directly.
5051	(value_range::singleton_p): Same.
5052	(value_range::type): Same.
5053	(vrp_finalize): Use value_range API.
5054
50552018-11-08  Aldy Hernandez  <aldyh@redhat.com>
5056
5057	* tree-vrp.c (may_contain_p): Do not access m_min/m_max directly.
5058
50592018-11-08  Aldy Hernandez  <aldyh@redhat.com>
5060
5061	* vr-values.c (vr_values::get_value_range): Use value_range API
5062	instead of piecing together ranges.
5063	(vr_values::update_value_range): Same.
5064
50652018-11-08  Aldy Hernandez  <aldyh@redhat.com>
5066
5067	* gimple-fold.c (size_must_be_zero_p): Use value_range API instead
5068	of performing ad-hoc calculations.
5069	* tree-ssanames.c (set_range_info): New overloaded function
5070	accepting value_range &.
5071	(get_range_info): Same.
5072	* tree-ssanames.h (set_range_info_raw): Remove.
5073	(set_range_info): New prototype.
5074	(get_range_info): Same.
5075	* tree-vrp.h (value_range::null_p): Rename to zero_p.
5076	* tree-vrp.c (value_range::null_p): Same.
5077
50782018-11-09  Jan Hubicka  <jh@suse.cz>
5079
5080	* tree.c (fld_type_variant_equal_p): Test user align flag.
5081	(flt_type_variant): Copy user align flag.
5082	(fld_incomplete_type_of): Clear it.
5083
50842018-11-09  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5085
5086	* config/arm/neon.md (div<mode>3): New pattern.
5087
50882018-11-08  Andi Kleen  <ak@linux.intel.com>
5089
5090	* common/config/i386/i386-common.c (OPTION_MASK_ISA_PTWRITE_SET): New.
5091	(OPTION_MASK_ISA_PTWRITE_UNSET): New.
5092	(ix86_handle_option): Handle OPT_mptwrite.
5093	* config/i386/cpuid.h (bit_PTWRITE): Add.
5094	* config/i386/driver-i386.c (host_detect_local_cpu): Detect ptwrite.
5095	* config/i386/i386-builtin.def (BDESC): Add ptwrite32/64.
5096	* config/i386/i386-c.c (ix86_target_macros_internal): Define __PTWRITE__.
5097	* config/i386/i386.c (ix86_target_string): Handle ptwrite.
5098	(ix86_option_override_internal): Handle PTA_PTWRITE.
5099	(ix86_valid_target_attribute_inner_p): Define ptwrite.
5100	(def_builtin2): Force UINT64 to be 64bit only.
5101	* config/i386/i386.h (TARGET_PTWRITE): Add.
5102	(TARGET_PTWRITE_P): Add.
5103	(PTA_PTWRITE): Add.
5104	* config/i386/i386.md: Define ptwrite.
5105	* config/i386/i386.opt: Add -mptwrite.
5106	* config/i386/immintrin.h (_ptwrite64): Add.
5107	(_ptwrite32): Add
5108	* doc/extend.texi: Document __builtin_ia32_ptwrite*.
5109	* doc/invoke.texi: Document -mptwrite.
5110
51112018-11-08  Peter Bergner  <bergner@linux.ibm.com>
5112
5113	PR rtl-optimization/87600
5114	* cfgexpand.c (expand_asm_stmt): Catch illegal asm constraint usage.
5115	* lra-constraints.c (process_alt_operands): Skip illegal hard
5116	register usage.  Prefer reloading non hard register operands.
5117
51182018-11-08  Sandra Loosemore  <sandra@codesourcery.com>
5119
5120	PR other/36572
5121	* doc/invoke.texi (Optimize Options): Clarify default behavior
5122	for -fno-sched-interblock and -fno-sched-spec.
5123
51242018-11-08  Roman Geissler  <roman.geissler@amadeus.com>
5125
5126	* collect2.c (linker_select):  Add USE_LLD_LD.
5127	(ld_suffixes): Add ld.lld.
5128	(main): Handle -fuse-ld=lld.
5129	* common.opt (-fuse-ld=lld): New option.
5130	* doc/invoke.texi (-fuse-ld=lld): Document.
5131	* opts.c (common_handle_option): Handle OPT_fuse_ld_lld.
5132
51332018-11-08  Paul Koning  <ni1d@arrl.net>
5134
5135	* config/pdp11/constraints.md: Add "Z" series constraints for use
5136	with pre-dec and post-inc addressing.
5137	* config/pdp11/pdp11-protos.m (expand_block_move): Delete.
5138	(pdp11_expand_operands): Add int argument (word count).
5139	(pdp11_sp_frame_offset): Delete.
5140	(pdp11_cmp_length): New function.
5141	(pushpop_regeq): New function.
5142	* config/pdp11/pdp11.c (TARGET_STACK_PROTECT_RUNTIME_ENABLED_P):
5143	Add hook.
5144	(pdp11_expand_prologue, pdp11_expand_epilogue): Rewrite for new
5145	frame layout.
5146	(pdp11_initial_elimination_offset): Ditto.
5147	(pdp11_expand_operands): Add word count argument.  Bugfixes.
5148	(output_move_multiple): Change how pointer adjustment is done.
5149	(pdp11_gen_int_label): Correct format.
5150	(output_ascii): Ditto.
5151	(pdp11_asm_output_var): Add code for DEC assembler case.
5152	(pdp11_asm_print_operand): Bugfix for CONST_DOUBLE holding integer
5153	value.
5154	(legitimate_const_double_p): Ditto.
5155	(pdp11_register_move_cost): Adjust for new register classes.
5156	(pdp11_regno_reg_class): Ditto.
5157	(expand_block_move): Delete.
5158	(pushpop_regeq): New function.
5159	(pdp11_legitimate_address_p): Bugfix in check for constant
5160	offset.
5161	(pdp11_sp_frame_offset): Delete.
5162	(pdp11_reg_save_size): New helper function for new frame layout.
5163	(output_addr_const_pdp11): Remove CONST_DOUBLE case.
5164	(pdp11_expand_shift): Bugfix in check for constant shift count.
5165	(pdp11_shift_length): Ditto.
5166	(pdp11_assemble_shift): Copy input to pdp11_expand_operands.
5167	(pdp11_cmp_length): New function.
5168	* config/pdp11/pdp11.h (TARGET_CPU_CPP_BUILTINS): Add macros for
5169	some compile options.
5170	(FIXED_REGISTERS): Remove HARD_FRAME_POINTER_REGNUM.
5171	(CALL_USED_REGISTERS): Ditto.
5172	(ELIMINABLE_REGS): Ditto.
5173	(REGISTER_NAMES): Ditto.
5174	(reg_class): Add classes NOTR0_REG through NOTSP_REG for use by Z
5175	constraints.
5176	(REG_CLASS_NAMES): Ditto.
5177	(REG_CLASS_CONTENTS): Ditto.  Also remove
5178	HARD_FRAME_POINTER_REGNUM.
5179	(CPU_REG_CLASS): New macro.
5180	(CLASS_MAX_NREGS): Adjust for new register classes.
5181	(FUNCTION_PROFILER): Make no-op.
5182	(may_call_alloca): Remove unused declaration.
5183	(ASM_OUTPUT_ALIGN): Add workaround for PR87795.
5184	(ASM_OUTPUT_SKIP): Fix format.
5185	* config/pdp11/pdp11.md (unspecv): Add UNSPECV_MOVMEM.
5186	(HARD_FRAME_POINTER_REGNUM): Remove.
5187	(return): Delete.
5188	(*rts): Rename.  Remove epilogue related checks.
5189	(cmpsi, cmpdi): New insn.
5190	(cbranch<mode>4): Change to apply to SI and DI modes as well.
5191	(mov<mode>): Change constraints to enforce that push/pop
5192	destination cannot use the same register as source.
5193	(*mov<mode><cc_cc>): Ditto.
5194	(movmemhi, movmemhi1, movmemhi_nocc): Change to expand block move
5195	at assembly output rather than as RTL expander.
5196	(zero_extendqihi2): Bugfix in check for same registers.
5197	(adddi3_nocc): Bugfix in check for constant operand.
5198	(addsi3_nocc): Ditto.
5199	(subdi3_nocc): Ditto.
5200	(subsi3_nocc): Ditto.
5201	(negdi2_nocc): Copy input to pdp11_expand_operands.
5202	(negsi2_nocc): Ditto.
5203	(bswap2_nocc): Ditto.
5204	* config/pdp11/pdp11.opt (mlra): Fix documentation.
5205	* config/pdp11/t-pdp11: Use -Os.
5206
52072018-11-08  Richard Earnshaw  <rearnsha@arm.com>
5208
5209	* config/arm/parsecpu.awk (/alias/): New parsing rule.
5210	(/begin cpu/): Check that the cpu name hasn't been previously defined.
5211	(gen_comm_data): Print out CPU alias tables.
5212	(check_cpu): Match aliases when checking the CPU name.
5213	* config/arm/arm-protos.h (cpu_alias): New structure.
5214	(cpu_option): Add entry for aliases.
5215	* config/arm/arm-cpus.in (strongarm): Add aliases for strongarm110
5216	strongarm1100 and strongarm1110.
5217	(strongarm110, strongarm1100, strongarm1110): Delete CPU entries.
5218	(config/arm/arm-generic.md): Remove redundant references to
5219	strongarm110, strongarm1100 and strongarm1110.
5220	* common/config/arm/arm-common.c (arm_print_hint_for_cpu_option):
5221	Scan aliases for additional hints.
5222	(arm_parse_cpu_option_name): Also match a cpu name against the list
5223	of aliases.
5224	* config/arm/arm-tables.opt: Regenerated.
5225	* config/arm/arm-tune.md: Regenerated.
5226
52272018-11-08  Jakub Jelinek  <jakub@redhat.com>
5228
5229	* builtin-types.def (BT_FN_VOID_BOOL, BT_FN_VOID_SIZE_SIZE_PTR,
5230	BT_FN_UINT_UINT_PTR_PTR, BT_FN_UINT_OMPFN_PTR_UINT_UINT,
5231	BT_FN_BOOL_UINT_LONGPTR_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR,
5232	BT_FN_BOOL_UINT_ULLPTR_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR,
5233	BT_FN_BOOL_LONG_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR,
5234	BT_FN_BOOL_BOOL_ULL_ULL_ULL_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR): New.
5235	* gengtype.c (open_base_files): Add omp-general.h.
5236	* gimple.c (gimple_build_omp_critical):
5237	(gimple_build_omp_taskgroup): Add CLAUSES argument.  Call
5238	gimple_omp_taskgroup_set_clauses.
5239	(gimple_build_omp_atomic_load): Add mo argument, call
5240	gimple_omp_atomic_set_memory_order.
5241	(gimple_build_omp_atomic_store): Likewise.
5242	(gimple_copy): Adjust handling of GIMPLE_OMP_TASKGROUP.
5243	* gimple.def (GIMPLE_OMP_TASKGROUP): Use GSS_OMP_SINGLE_LAYOUT
5244	instead of GSS_OMP.
5245	(GIMPLE_OMP_TEAMS): Use GSS_OMP_PARALLEL_LAYOUT instead
5246	of GSS_OMP_SINGLE_LAYOUT, adjust comments.
5247	* gimple.h (enum gf_mask): Add GF_OMP_TEAMS_HOST, GF_OMP_TASK_TASKWAIT
5248	and GF_OMP_ATOMIC_MEMORY_ORDER.  Remove GF_OMP_ATOMIC_SEQ_CST, use
5249	different value for GF_OMP_ATOMIC_NEED_VALUE.
5250	(struct gimple_statement_omp_taskreg): Add GIMPLE_OMP_TEAMS to
5251	comments.
5252	(struct gimple_statement_omp_single_layout): And remove here.
5253	(struct gomp_teams): Inherit from gimple_statement_omp_taskreg rather
5254	than gimple_statement_omp_single_layout.
5255	(is_a_helper <gimple_statement_omp_taskreg *>::test): Allow
5256	GIMPLE_OMP_TEAMS.
5257	(is_a_helper <const gimple_statement_omp_taskreg *>::test): Likewise.
5258	(gimple_omp_subcode): Formatting fix.
5259	(gimple_omp_teams_child_fn, gimple_omp_teams_child_fn_ptr,
5260	gimple_omp_teams_set_child_fn, gimple_omp_teams_data_arg,
5261	gimple_omp_teams_data_arg_ptr, gimple_omp_teams_set_data_arg,
5262	gimple_omp_teams_host, gimple_omp_teams_set_host,
5263	gimple_omp_task_taskwait_p, gimple_omp_task_set_taskwait_p,
5264	gimple_omp_taskgroup_clauses, gimple_omp_taskgroup_clauses_ptr,
5265	gimple_omp_taskgroup_set_clauses): New inline functions.
5266	(gimple_build_omp_atomic_load): Add enum omp_memory_order argument.
5267	(gimple_build_omp_atomic_store): Likewise.
5268	(gimple_omp_atomic_seq_cst_p): Remove.
5269	(gimple_omp_atomic_memory_order): New function.
5270	(gimple_omp_atomic_set_seq_cst): Remove.
5271	(gimple_omp_atomic_set_memory_order): New function.
5272	(gimple_build_omp_taskgroup): Add clauses argument.
5273	* gimple-pretty-print.c (dump_gimple_omp_taskgroup): New function.
5274	(dump_gimple_omp_task): Print taskwait with depend clauses.
5275	(dump_gimple_omp_atomic_load, dump_gimple_omp_atomic_store): Use
5276	dump_omp_atomic_memory_order.
5277	(pp_gimple_stmt_1): Handle GIMPLE_OMP_TASKGROUP.
5278	* gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_ALLOC_ONLY,
5279	GOVD_MAP_FROM_ONLY and GOVD_NONTEMPORAL.
5280	(enum omp_region_type): Reserve bits 1 and 2 for auxiliary flags,
5281	renumber values of most of ORT_* enumerators, add ORT_HOST_TEAMS,
5282	ORT_COMBINED_HOST_TEAMS, ORT_TASKGROUP, ORT_TASKLOOP and
5283	ORT_UNTIED_TASKLOOP enumerators.
5284	(enum gimplify_defaultmap_kind): New.
5285	(struct gimplify_omp_ctx): Remove target_map_scalars_firstprivate and
5286	target_map_pointers_as_0len_arrays members, add defaultmap.
5287	(new_omp_context): Initialize defaultmap member.
5288	(gimple_add_tmp_var): Handle ORT_TASKGROUP like ORT_WORKSHARE.
5289	(maybe_fold_stmt): Don't fold even in host teams regions.
5290	(omp_firstprivatize_variable): Handle ORT_TASKGROUP like
5291	ORT_WORKSHARE.  Test ctx->defaultmap[GDMK_SCALAR] instead of
5292	ctx->omp_firstprivatize_variable.
5293	(omp_add_variable): Don't add private/firstprivate for VLAs in
5294	ORT_TASKGROUP.
5295	(omp_default_clause): Print "taskloop" rather than "task" if
5296	ORT_*TASKLOOP.
5297	(omp_notice_variable): Handle ORT_TASKGROUP like ORT_WORKSHARE.
5298	Handle new defaultmap clause kinds.
5299	(omp_is_private): Handle ORT_TASKGROUP like ORT_WORKSHARE.  Allow simd
5300	iterator to be lastprivate or private.  Fix up diagnostics if linear
5301	is used on collapse>1 simd iterator.
5302	(omp_check_private): Handle ORT_TASKGROUP like ORT_WORKSHARE.
5303	(gimplify_omp_depend): New function.
5304	(gimplify_scan_omp_clauses): Add shared clause on parallel for
5305	combined parallel master taskloop{, simd} if taskloop has
5306	firstprivate, lastprivate or reduction clause.  Handle
5307	OMP_CLAUSE_REDUCTION_TASK diagnostics.  Adjust tests for
5308	ORT_COMBINED_TEAMS.  Gimplify depend clauses with iterators.  Handle
5309	cancel and simd OMP_CLAUSE_IF_MODIFIERs.  Handle
5310	OMP_CLAUSE_NONTEMPORAL.  Handle new defaultmap clause kinds.  Handle
5311	OMP_CLAUSE_{TASK,IN}_REDUCTION.  Diagnose invalid conditional
5312	lastprivate.
5313	(gimplify_adjust_omp_clauses_1): Ignore GOVD_NONTEMPORAL.  Handle
5314	GOVD_MAP_ALLOC_ONLY and GOVD_MAP_FROM_ONLY.
5315	(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_NONTEMPORAL.  Handle
5316	OMP_CLAUSE_{TASK,IN}_REDUCTION.
5317	(gimplify_omp_task): Handle taskwait with depend clauses.
5318	(gimplify_omp_for): Add shared clause on parallel for combined
5319	parallel master taskloop{, simd} if taskloop has firstprivate,
5320	lastprivate or reduction clause.  Use ORT_TASKLOOP or
5321	ORT_UNTIED_TASKLOOP instead of ORT_TASK or ORT_UNTIED_TASK.  Adjust
5322	tests for ORT_COMBINED_TEAMS.  Handle C++ range for loops with
5323	NULL TREE_PURPOSE in OMP_FOR_ORIG_DECLS.  Firstprivatize
5324	__for_end and __for_range temporaries on OMP_PARALLEL for
5325	distribute parallel for{, simd}.  Move OMP_CLAUSE_REDUCTION
5326	and OMP_CLAUSE_IN_REDUCTION from taskloop to the task construct
5327	sandwiched in between two taskloops.
5328	(computable_teams_clause): Test ctx->defaultmap[GDMK_SCALAR]
5329	instead of ctx->omp_firstprivatize_variable.
5330	(gimplify_omp_workshare): Set ort to ORT_HOST_TEAMS or
5331	ORT_COMBINED_HOST_TEAMS if not inside of target construct.  If
5332	host teams, use gimplify_and_return_first etc. for body like
5333	for target or target data constructs, and at the end call
5334	gimple_omp_teams_set_host on the GIMPLE_OMP_TEAMS object.
5335	(gimplify_omp_atomic): Use OMP_ATOMIC_MEMORY_ORDER instead
5336	of OMP_ATOMIC_SEQ_CST, pass it as new argument to
5337	gimple_build_omp_atomic_load and gimple_build_omp_atomic_store, remove
5338	gimple_omp_atomic_set_seq_cst calls.
5339	(gimplify_expr) <case OMP_TASKGROUP>: Move handling into a separate
5340	case, handle taskgroup clauses.
5341	* lto-streamer-out.c (hash_tree): Handle
5342	OMP_CLAUSE_{TASK,IN}_REDUCTION.
5343	* Makefile.in (GTFILES): Add omp-general.h.
5344	* omp-builtins.def (BUILT_IN_GOMP_TASKWAIT_DEPEND,
5345	BUILT_IN_GOMP_LOOP_NONMONOTONIC_RUNTIME_START,
5346	BUILT_IN_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_START,
5347	BUILT_IN_GOMP_LOOP_START, BUILT_IN_GOMP_LOOP_ORDERED_START,
5348	BUILT_IN_GOMP_LOOP_DOACROSS_START,
5349	BUILT_IN_GOMP_LOOP_NONMONOTONIC_RUNTIME_NEXT,
5350	BUILT_IN_GOMP_LOOP_MAYBE_NONMONOTONIC_RUNTIME_NEXT,
5351	BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_START,
5352	BUILT_IN_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_START,
5353	BUILT_IN_GOMP_LOOP_ULL_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_START,
5354	BUILT_IN_GOMP_LOOP_ULL_DOACROSS_START,
5355	BUILT_IN_GOMP_LOOP_ULL_NONMONOTONIC_RUNTIME_NEXT,
5356	BUILT_IN_GOMP_LOOP_ULL_MAYBE_NONMONOTONIC_RUNTIME_NEXT,
5357	BUILT_IN_GOMP_PARALLEL_LOOP_NONMONOTONIC_RUNTIME,
5358	BUILT_IN_GOMP_PARALLEL_LOOP_MAYBE_NONMONOTONIC_RUNTIME,
5359	BUILT_IN_GOMP_PARALLEL_REDUCTIONS, BUILT_IN_GOMP_SECTIONS2_START,
5360	BUILT_IN_GOMP_TEAMS_REG, BUILT_IN_GOMP_TASKGROUP_REDUCTION_REGISTER,
5361	BUILT_IN_GOMP_TASKGROUP_REDUCTION_UNREGISTER,
5362	BUILT_IN_GOMP_TASK_REDUCTION_REMAP,
5363	BUILT_IN_GOMP_WORKSHARE_TASK_REDUCTION_UNREGISTER): New builtins.
5364	* omp-expand.c (workshare_safe_to_combine_p): Return false for
5365	non-worksharing loops.
5366	(omp_adjust_chunk_size): Don't adjust anything if chunk_size is zero.
5367	(determine_parallel_type): Don't combine parallel with worksharing
5368	which has _reductemp_ clause.
5369	(expand_parallel_call): Emit the GOMP_*nonmonotonic_runtime* or
5370	GOMP_*maybe_nonmonotonic_runtime* builtins instead of GOMP_*runtime*
5371	if there is nonmonotonic modifier or if there is no modifier and no
5372	ordered clause.  For dynamic and guided schedule without monotonic
5373	and nonmonotonic modifier, default to nonmonotonic.
5374	(expand_omp_for): Likewise.  Adjust expand_omp_for_generic caller, use
5375	GOMP_loop{,_ull}{,_ordered,_doacross}_start builtins if there are
5376	task reductions.
5377	(expand_task_call): Add GOMP_TASK_FLAG_REDUCTION flag to flags if
5378	there are any reduction clauses.
5379	(expand_taskwait_call): New function.
5380	(expand_teams_call): New function.
5381	(expand_omp_taskreg): Allow GIMPLE_OMP_TEAMS and call
5382	expand_teams_call for it.  Formatting fix.  Handle taskwait with
5383	depend clauses.
5384	(expand_omp_for_generic): Add SCHED_ARG argument.  Handle expansion
5385	of worksharing loops with task reductions.
5386	(expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
5387	expansion of worksharing loops with task reductions.
5388	(expand_omp_sections): Handle expansion of sections with task
5389	reductions.
5390	(expand_omp_synch): For host teams call expand_omp_taskreg.
5391	(omp_memory_order_to_memmodel): New function.
5392	(expand_omp_atomic_load, expand_omp_atomic_store,
5393	expand_omp_atomic_fetch_op): Use it and gimple_omp_atomic_memory_order
5394	instead of gimple_omp_atomic_seq_cst_p.
5395	(build_omp_regions_1, omp_make_gimple_edges): Treat taskwait with
5396	depend clauses as a standalone directive.
5397	* omp-general.c (enum omp_requires): New variable.
5398	(omp_extract_for_data): Initialize have_reductemp member.  Allow
5399	NE_EXPR even in OpenMP loops, transform them into LT_EXPR or
5400	GT_EXPR loops depending on incr sign.  Formatting fixes.
5401	* omp-general.h (struct omp_for_data): Add have_reductemp member.
5402	(enum omp_requires): New enum.
5403	(omp_requires_mask): Declare.
5404	* omp-grid.c (grid_eliminate_combined_simd_part): Formatting fix.
5405	Fix comment typos.
5406	* omp-low.c (struct omp_context): Add task_reductions and
5407	task_reduction_map fields.
5408	(is_host_teams_ctx): New function.
5409	(is_taskreg_ctx): Return true also if is_host_teams_ctx.
5410	(use_pointer_for_field): Use is_global_var instead of
5411	TREE_STATIC || DECL_EXTERNAL, and apply only if not privatized
5412	in outer contexts.
5413	(build_outer_var_ref): Ignore taskgroup outer contexts.
5414	(delete_omp_context): Release task_reductions and task_reduction_map.
5415	(scan_sharing_clauses): Don't add any fields for reduction clause on
5416	taskloop.  Handle OMP_CLAUSE__REDUCTEMP_.  Handle
5417	OMP_CLAUSE_{IN,TASK}_REDUCTION and OMP_CLAUSE_REDUCTION with task
5418	modifier.  Don't ignore shared clauses in is_host_teams_ctx contexts.
5419	Handle OMP_CLAUSE_NONTEMPORAL.
5420	(add_taskreg_looptemp_clauses): Add OMP_CLAUSE__REDUCTEMP_ clause if
5421	needed.
5422	(scan_omp_parallel): Add _reductemp_ clause if there are any reduction
5423	clauses with task modifier.
5424	(scan_omp_task): Handle taskwait with depend clauses.
5425	(finish_taskreg_scan): Move field corresponding to _reductemp_ clause
5426	first.  Move also OMP_CLAUSE__REDUCTEMP_ clause in front if present.
5427	Handle GIMPLE_OMP_TEAMS like GIMPLE_OMP_PARALLEL.
5428	(scan_omp_for): Fix comment formatting.
5429	(scan_omp_teams): Handle host teams constructs.
5430	(check_omp_nesting_restrictions): Allow teams with no outer
5431	OpenMP context.  Adjust diagnostics for teams strictly nested into
5432	some explicit OpenMP construct other than target.  Allow OpenMP atomics
5433	inside of simd regions.
5434	(scan_omp_1_stmt): Call scan_sharing_clauses for taskgroups.
5435	(scan_omp_1_stmt) <case GIMPLE_OMP_TEAMS>: Temporarily bump
5436	taskreg_nesting_level while scanning host teams construct.
5437	(task_reduction_read): New function.
5438	(lower_rec_input_clauses): Handle OMP_CLAUSE_REDUCTION on taskloop
5439	construct.  Handle OMP_CLAUSE_IN_REDUCTION and OMP_CLAUSE__REDUCTEMP_
5440	clauses.  Handle OMP_CLAUSE_REDUCTION with task modifier.  Remove
5441	second argument create_tmp_var if it is NULL.  Don't ignore shared
5442	clauses in is_host_teams_ctx contexts.  Handle
5443	OMP_CLAUSE_FIRSTPRIVATE_NO_REFERENCE on OMP_CLAUSE_FIRSTPRIVATE
5444	clauses.
5445	(lower_reduction_clauses): Ignore reduction clauses with task
5446	modifier.  Remove second argument create_tmp_var if it is NULL.
5447	Initialize OMP_ATOMIC_MEMORY_ORDER to relaxed.
5448	(lower_send_clauses): Ignore reduction clauses with task modifier.
5449	Handle OMP_CLAUSE__REDUCTEMP_.  Don't send anything for
5450	OMP_CLAUSE_REDUCTION on taskloop.  Handle OMP_CLAUSE_IN_REDUCTION.
5451	(maybe_add_implicit_barrier_cancel): Add OMP_RETURN argument, don't
5452	rely that it is the last stmt in body so far.  Ignore outer taskgroup
5453	contexts.
5454	(omp_task_reductions_find_first, omp_task_reduction_iterate,
5455	lower_omp_task_reductions): New functions.
5456	(lower_omp_sections): Handle reduction clauses with taskgroup
5457	modifiers.  Adjust maybe_add_implicit_barrier_cancel caller.
5458	(lower_omp_single): Adjust maybe_add_implicit_barrier_cancel caller.
5459	(lower_omp_for): Likewise.  Handle reduction clauses with taskgroup
5460	modifiers.
5461	(lower_omp_taskgroup): Handle taskgroup reductions.
5462	(create_task_copyfn): Copy over OMP_CLAUSE__REDUCTEMP_ pointer.
5463	Handle OMP_CLAUSE_IN_REDUCTION and OMP_CLAUSE_REDUCTION clauses.
5464	(lower_depend_clauses): If there are any
5465	OMP_CLAUSE_DEPEND_DEPOBJ or OMP_CLAUSE_DEPEND_MUTEXINOUTSET
5466	depend clauses, use a new array format.  If OMP_CLAUSE_DEPEND_LAST is
5467	seen, assume lowering is done already and return early.  Set kind
5468	on artificial depend clause to OMP_CLAUSE_DEPEND_LAST.
5469	(lower_omp_taskreg): Handle reduction clauses with task modifier on
5470	parallel construct.  Handle reduction clause on taskloop construct.
5471	Handle taskwait with depend clauses.
5472	(lower_omp_1): Use lower_omp_taskreg instead of lower_omp_teams
5473	for host teams constructs.
5474	* tree.c (omp_clause_num_ops): Add in_reduction, task_reduction,
5475	nontemporal and _reductemp_ clause entries.
5476	(omp_clause_code_name): Likewise.
5477	(walk_tree_1): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION,
5478	OMP_CLAUSE_NONTEMPORAL and OMP_CLAUSE__REDUCTEMP_.
5479	* tree-core.h (enum omp_clause_code): Add
5480	OMP_CLAUSE_{{IN,TASK}_REDUCTION,NONTEMPORAL,_REDUCTEMP_}.
5481	(enum omp_clause_defaultmap_kind, enum omp_memory_order): New.
5482	(struct tree_base): Add omp_atomic_memory_order field into union.
5483	Remove OMP_ATOMIC_SEQ_CST comment.
5484	(enum omp_clause_depend_kind): Add OMP_CLAUSE_DEPEND_MUTEXINOUTSET
5485	and OMP_CLAUSE_DEPEND_DEPOBJ.
5486	(struct tree_omp_clause): Add subcode.defaultmap_kind.
5487	* tree.def (OMP_TASKGROUP): Add another operand, move next to other
5488	OpenMP constructs with body and clauses operands.
5489	* tree.h (OMP_BODY): Use OMP_MASTER instead of OMP_TASKGROUP.
5490	(OMP_CLAUSES): Use OMP_TASKGROUP instead of OMP_SINGLE.
5491	(OMP_TASKGROUP_CLAUSES): Define.
5492	(OMP_CLAUSE_DECL): Use OMP_CLAUSE__REDUCTEMP_ instead of
5493	OMP_CLAUSE__LOOPTEMP_.
5494	(OMP_ATOMIC_SEQ_CST): Remove.
5495	(OMP_ATOMIC_MEMORY_ORDER, OMP_CLAUSE_FIRSTPRIVATE_NO_REFERENCE,
5496	OMP_CLAUSE_LASTPRIVATE_CONDITIONAL): Define.
5497	(OMP_CLAUSE_REDUCTION_CODE, OMP_CLAUSE_REDUCTION_INIT,
5498	OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5499	OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER,
5500	OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Handle
5501	OMP_CLAUSE_{,IN_,TASK_}REDUCTION.
5502	(OMP_CLAUSE_REDUCTION_TASK, OMP_CLAUSE_REDUCTION_INSCAN,
5503	OMP_CLAUSE_DEFAULTMAP_KIND, OMP_CLAUSE_DEFAULTMAP_CATEGORY,
5504	OMP_CLAUSE_DEFAULTMAP_BEHAVIOR, OMP_CLAUSE_DEFAULTMAP_SET_KIND):
5505	Define.
5506	* tree-inline.c (remap_gimple_stmt): Remap taskgroup clauses.
5507	* tree-nested.c (convert_nonlocal_omp_clauses): Handle
5508	OMP_CLAUSE__REDUCTEMP_, OMP_CLAUSE_NONTEMPORAL.
5509	(convert_local_omp_clauses): Likewise.  Remove useless test.
5510	* tree-parloops.c (create_call_for_reduction_1): Pass
5511	OMP_MEMORY_ORDER_RELAXED as new argument to
5512	dump_gimple_omp_atomic_load and dump_gimple_omp_atomic_store.
5513	* tree-pretty-print.c (dump_omp_iterators): New function.
5514	(dump_omp_clause): Handle OMP_CLAUSE__REDUCTEMP_,
5515	OMP_CLAUSE_NONTEMPORAL, OMP_CLAUSE_{TASK,IN}_REDUCTION.  Print
5516	reduction modifiers.  Handle OMP_CLAUSE_DEPEND_DEPOBJ and
5517	OMP_CLAUSE_DEPEND_MUTEXINOUTSET.  Print iterators in depend clauses.
5518	Print __internal__ for OMP_CLAUSE_DEPEND_LAST.  Handle cancel and
5519	simd OMP_CLAUSE_IF_MODIFIERs.  Handle new kinds of
5520	OMP_CLAUSE_DEFAULTMAP. Print conditional: for
5521	OMP_CLAUSE_LASTPRIVATE_CONDITIONAL.
5522	(dump_omp_atomic_memory_order): New function.
5523	(dump_generic_node): Use it.  Print taskgroup clauses.  Print
5524	taskwait with depend clauses.
5525	* tree-pretty-print.h (dump_omp_atomic_memory_order): Declare.
5526	* tree-streamer-in.c (unpack_ts_omp_clause_value_fields):
5527	Handle OMP_CLAUSE_{TASK,IN}_REDUCTION.
5528	* tree-streamer-out.c (pack_ts_omp_clause_value_fields,
5529	write_ts_omp_clause_tree_pointers): Likewise.
5530
55312018-11-08  David Malcolm  <dmalcolm@redhat.com>
5532
5533	PR ipa/86395
5534	* doc/invoke.texi (-fdump-ipa-): Document the "-optimized",
5535	"-missed", "-note", and "-all" sub-options.
5536	* ipa-inline.c (caller_growth_limits): Port from fprintf to dump
5537	API.
5538	(can_early_inline_edge_p): Likewise.
5539	(want_early_inline_function_p): Likewise.
5540	(want_inline_self_recursive_call_p): Likewise.
5541	(recursive_inlining): Likewise.
5542	(inline_small_functions): Likewise.
5543	(flatten_function): Likewise.
5544	(ipa_inline): Likewise.
5545	(inline_always_inline_functions): Likewise.
5546	(early_inline_small_functions): Likewise.
5547	(early_inliner): Likewise.
5548	* tree-inline.c (expand_call_inline): Likewise.
5549
55502018-11-08  David Malcolm  <dmalcolm@redhat.com>
5551
5552	* pretty-print.c (pp_format): Handle %f.
5553	(selftest::test_pp_format): Add test of %f.
5554	* pretty-print.h (pp_double): New macro.
5555
55562018-11-08  David Malcolm  <dmalcolm@redhat.com>
5557
5558	* dump-context.h (ASSERT_IS_CGRAPH_NODE): New macro.
5559	* dumpfile.c (make_item_for_dump_cgraph_node): Move to before...
5560	(dump_pretty_printer::decode_format): Implement "%C" for
5561	cgraph_node *.
5562	(selftest::test_capture_of_dump_calls): Rename "where" to
5563	"stmt_loc".  Convert test_decl to a function decl and set its
5564	location.  Add a symbol_table_test RAII instance and a
5565	cgraph_node, using it to test "%C" and dump_symtab_node.
5566
55672018-11-08  Eric Botcazou  <ebotcazou@adacore.com>
5568
5569	PR middle-end/87916
5570	* cgraphclones.c (duplicate_thunk_for_node): Also set DECL_IGNORED_P.
5571
55722018-11-08  David Malcolm  <dmalcolm@redhat.com>
5573
5574	* cgraph.c: Include "selftest.h".
5575	(saved_symtab): New variable.
5576	(selftest::symbol_table_test::symbol_table_test): New ctor.
5577	(selftest::symbol_table_test::~symbol_table_test): New dtor.
5578	(selftest::test_symbol_table_test): New test.
5579	(selftest::cgraph_c_tests): New.
5580	* cgraph.h (saved_symtab): New decl.
5581	(selftest::symbol_table_test): New class.
5582	* selftest-run-tests.c (selftest::run_tests): Call
5583	selftest::cgraph_c_tests.
5584	* selftest.h (selftest::cgraph_c_tests): New decl.
5585
55862018-11-08  Richard Biener  <rguenther@suse.de>
5587
5588	* tree-data-ref.h (lambda_int): New typedef.
5589	(lambda_vector_gcd): Adjust.
5590	(lambda_vector_new): Likewise.
5591	(lambda_matrix_new): Likewise.
5592	* tree-data-ref.c  (print_lambda_vector): Adjust.
5593
55942018-11-08  Richard Biener  <rguenther@suse.de>
5595
5596	PR tree-optimization/87929
5597	* tree-complex.c (expand_complex_comparison): Clean EH.
5598
55992018-11-08  Martin Liska  <mliska@suse.cz>
5600
5601	* doc/extend.texi: Reword.
5602	* predict.c (expr_expected_value_1): Likewise.
5603
56042018-11-08  Richard Biener  <rguenther@suse.de>
5605
5606	PR tree-optimization/87913
5607	* tree-ssa-phiopt.c (minmax_replacement): Turn EQ/NE compares
5608	of extreme values to ordered comparisons.
5609
56102018-11-07  Sandra Loosemore  <sandra@codesourcery.com>
5611
5612	PR middle-end/42726
5613	* doc/invoke.texi (Code Gen Options): Clarify -fno-common behavior.
5614
56152018-11-07  Sandra Loosemore  <sandra@codesourcery.com>
5616
5617	* doc/invoke.texi: Remove leading dash from @opindex entries
5618	throughout the file.
5619
56202018-11-07  Sandra Loosemore  <sandra@codesourcery.com>
5621
5622	PR driver/80828
5623	* doc/invoke.texi (Option Summary): Add -e and --entry.
5624	(Link Options): Likewise.
5625
56262018-11-07  Nathan Sidwell  <nathan@acm.org>
5627
5628	PR 87926
5629	* Makefile.in (bitmap.o-warn): Add -Wno-error to unbreak
5630	--disable-checking bootstrap.
5631
56322018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
5633
5634	* configure: Regenerated.
5635
56362018-11-07  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
5637
5638	PR c/87691
5639	* stor-layout.c (compute_record_mode): Set TYPE_MODE of UNION_TYPE
5640	to the mode of the widest field iff the widest field has mode class
5641	MODE_INT, or MODE_PARTIAL_INT and the union would be passed by
5642	reference.
5643
56442018-11-07  Nikolai Merinov  <n.merinov@inango-systems.com>
5645
5646	* common.opt: Add -Wattribute-warning.
5647	* doc/invoke.texi: Add documentation for -Wno-attribute-warning.
5648	* expr.c (expand_expr_real_1): Add new attribute to warning_at
5649	call to allow user configure behavior of "warning" attribute.
5650
56512018-11-07  Segher Boessenkool  <segher@kernel.crashing.org>
5652
5653	* target.def: Put @: after every vs., e.g., and i.e. where it is
5654	followed by whitespace.
5655	* doc/extend.texi: Ditto.
5656	* doc/fragments.texi: Ditto.
5657	* doc/gimple.texi: Ditto.
5658	* doc/implement-c.texi: Ditto.
5659	* doc/install.texi: Ditto.
5660	* doc/invoke.texi: Ditto.
5661	* doc/md.texi: Ditto.
5662	* doc/plugins.texi: Ditto.
5663	* doc/rtl.texi: Ditto.
5664	* doc/sourcebuild.texi: Ditto.
5665	* doc/tm.texi.in: Ditto.
5666	* doc/ux.texi: Ditto.
5667	* doc/tm.texi: Regenerate.
5668
56692018-11-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5670
5671	* config/arm/arm-cpus.in (ares): New entry.
5672	* config/arm/arm-tables.opt: Regenerate.
5673	* config/arm/arm-tune.md: Likewise.
5674	* doc/invoke.texi (ARM Options): Document ares.
5675
56762018-11-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5677
5678	* config/aarch64/aarch64-cores.def (ares): Define.
5679	* config/aarch64/aarch64-tune.md: Regenerate.
5680	* doc/invoke.texi (AArch64 Options): Document ares value for mtune.
5681
56822018-11-07  Jan Hubicka  <jh@suse.cz>
5683
5684	* tree.c (fld_incomplete_type_of): Clear TREE_ADDRESSABLE.
5685	(free_lang_data_in_decl): Set TREE_ADDRESSABLE for public vars and
5686	functions; clear TYPE_DECL_SUPPRESS_DEBUG and DECL_MODE for
5687	TYPE_DECL.
5688
56892018-11-07  Richard Biener  <rguenther@suse.de>
5690
5691	PR tree-optimization/87914
5692	* tree-vect-loop.c (vect_is_simple_reduction): Improve detection
5693	of nested cycles.
5694	(vectorizable_reduction): Handle shifts and rotates by dispatching
5695	to vectorizable_shift.
5696	* tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Handle
5697	in-loop uses of vect_nested_cycle defs.  Merge cycle and internal
5698	def cases.
5699	(vectorizable_shift): Export and handle being called as
5700	vect_nested_cycle.
5701	(vect_analyze_stmt): Call vectorizable_shift after
5702	vectorizable_reduction.
5703	* tree-vectorizer.h (vectorizable_shift): Declare.
5704
57052018-11-07  Jan Hubicka  <jh@suse.cz>
5706
5707	* ipa-devirt.c (odr_types_equivalent_p): Expect constants
5708	than const decls in TREE_VALUE of enum.
5709	(dump_type_inheritance_graph): Improve duplicate dumping.
5710	(free_enum_values): New.
5711	(build_type_inheritance_graph): Use it.
5712	* tree.c (free_lang_data_in_type): Free TYPE_VALUES of enums
5713	which are not main variants or not ODR types.
5714	(verify_type_variant): Expect variants to have no TYPE_VALUES.
5715
57162018-11-07  Richard Biener  <rguenther@suse.de>
5717
5718	* ipa-inline.c (want_inline_small_function_p): Compute
5719	big_speedup_p lazily and last.
5720
57212018-11-07  Jan Hubicka  <jh@suse.cz>
5722
5723	* tree.c (fld_type_variant_equal_p): Skip TYPE_ALIGN check when
5724	building incomplete variant of complete type.
5725	(fld_type_variant): Do not copy TYPE_ALIGN when building incomplete
5726	variant of complete type.
5727
57282018-11-07  Chenghua Xu  <paul.hua.gm@gmail.com>
5729
5730	* config/mips/mips.c: Fix typo in documentation of
5731	mips_loongson_ext2_prefetch_cookie.
5732	(mips_option_override): fix brain twister logical.
5733	* config/mips/mips.h: Fix typo in documentation of
5734	ISA_HAS_CTZ_CTO and define pattern.
5735	* config/mips/mips.md (prefetch): Hoist EXT2 above
5736	the 2EF/EXT block.
5737	(prefetch_indexed): Hoist EXT2 above the EXT block.
5738
57392018-11-07  Jan Hubicka  <jh@suse.cz>
5740
5741	* tree.c (free_lang_data_in_type): Add fld parameter; simplify
5742	return and parameter types of function and method types.
5743	(free_lang_data_in_cgraph): Update.
5744
57452018-11-07  Martin Liska  <mliska@suse.cz>
5746
5747	PR rtl-optimization/87868
5748	* postreload-gcse.c (eliminate_partially_redundant_load): Set
5749	threshold to max_count if we would overflow.
5750	* profile-count.h: Make max_count a public constant.
5751
57522018-11-07  Martin Liska  <mliska@suse.cz>
5753
5754	* mem-stats.h: Fix GNU coding style.
5755
57562018-11-07  Chenghua Xu  <paul.hua.gm@gmail.com>
5757
5758	* config/mips/gs264e.md: New.
5759	* config/mips/mips-cpus.def: Define gs264e.
5760	* config/mips/mips-tables.opt: Regenerate.
5761	* config/mips/mips.c (mips_rtx_cost_data): Add DEFAULT_COSTS for
5762	gs264e.
5763	(mips_issue_rate): Add support for gs264e.
5764	(mips_multipass_dfa_lookahead): Likewise.
5765	* config/mips/mips.h: Define TARGET_GS264E and TUNE_GS264E.
5766	(MIPS_ISA_LEVEL_SPEC): Infer mips64r2 from gs264e.
5767	(MIPS_ASE_MSA_SPEC): New.
5768	(BASE_DRIVER_SELF_SPECS): march=gs264e implies -mmsa.
5769	(ISA_HAS_FUSED_MADD4): Enable for TARGET_GS264E.
5770	(ISA_HAS_UNFUSED_MADD4): Exclude TARGET_GS264E.
5771	* config/mips/mips.md: Include gs264e.md.
5772	(processor): Add gs264e.
5773	* config/mips/mips.opt (MSA): Use Mask instead of Var.
5774	* doc/invoke.texi: Add gs264e to supported architectures.
5775
57762018-11-07  Chenghua Xu  <paul.hua.gm@gmail.com>
5777
5778	* config/mips/gs464e.md: New.
5779	* config/mips/mips-cpus.def: Define gs464e.
5780	* config/mips/mips-tables.opt: Regenerate.
5781	* config/mips/mips.c (mips_rtx_cost_data): Add DEFAULT_COSTS for
5782	gs464e.
5783	(mips_issue_rate): Add support for gs464e.
5784	(mips_multipass_dfa_lookahead): Likewise.
5785	(mips_option_override): Enable MMI, EXT and EXT2 for gs464e.
5786	* config/mips/mips.h: Define TARGET_GS464E and TUNE_GS464E.
5787	(MIPS_ISA_LEVEL_SPEC): Infer mips64r2 from gs464e.
5788	(ISA_HAS_FUSED_MADD4): Enable for TARGET_GS464E.
5789	(ISA_HAS_UNFUSED_MADD4): Exclude TARGET_GS464E.
5790	* config/mips/mips.md: Include gs464e.md.
5791	(processor): Add gs464e.
5792	* doc/invoke.texi: Add gs464e to supported architectures.
5793
57942018-11-07  Chenghua Xu  <paul.hua.gm@gmail.com>
5795
5796	* config/mips/loongson3a.md: Rename to ...
5797	* config/mips/gs464.md: ... here.
5798	* config/mips/mips-cpus.def: Define gs464; Add loongson3a
5799	as an alias of gs464 processor.
5800	* config/mips/mips-tables.opt: Regenerate.
5801	* config/mips/mips.c (mips_issue_rate): Use PROCESSOR_GS464
5802	instead of PROCESSOR_LOONGSON_3A.
5803	(mips_multipass_dfa_lookahead): Use TUNE_GS464 instead of
5804	TUNE_LOONGSON_3A.
5805	(mips_option_override): Enable MMI and EXT for gs464.
5806	* config/mips/mips.h: Rename TARGET_LOONGSON_3A to TARGET_GS464;
5807	Rename TUNE_LOONGSON_3A to TUNE_GS464.
5808	(MIPS_ISA_LEVEL_SPEC): Infer mips64r2 from gs464.
5809	(ISA_HAS_ODD_SPREG, ISA_AVOID_DIV_HILO, ISA_HAS_FUSED_MADD4,
5810	ISA_HAS_UNFUSED_MADD4): Use TARGET_GS464 instead of
5811	TARGET_LOONGSON_3A.
5812	* config/mips/mips.md: Include gs464.md instead of loongson3a.md.
5813	(processor): Add gs464;
5814	* doc/invoke.texi: Add gs464 to supported architectures.
5815
58162018-11-07  Chenghua Xu  <paul.hua.gm@gmail.com>
5817
5818	* config/mips/mips-protos.h
5819	(mips_loongson_ext2_prefetch_cookie): New prototype.
5820	* config/mips/mips.c (mips_loongson_ext2_prefetch_cookie): New.
5821	(mips_option_override): Enable TARGET_LOONGSON_EXT when
5822	TARGET_LOONGSON_EXT2 is true.
5823	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
5824	__mips_loongson_ext2, __mips_loongson_ext_rev=2.
5825	(ISA_HAS_CTZ_CTO): New, true if TARGET_LOONGSON_EXT2.
5826	(ISA_HAS_PREFETCH): Include TARGET_LOONGSON_EXT and
5827	TARGET_LOONGSON_EXT2.
5828	(ASM_SPEC): Add mloongson-ext2 and mno-loongson-ext2.
5829	(define_insn "ctz<mode>2"): New insn pattern.
5830	(define_insn "prefetch"): Include TARGET_LOONGSON_EXT2.
5831	(define_insn "prefetch_indexed_<mode>"): Include
5832	TARGET_LOONGSON_EXT and TARGET_LOONGSON_EXT2.
5833	* config/mips/mips.opt (-mloongson-ext2): Add option.
5834	* gcc/doc/invoke.texi (-mloongson-ext2): Document.
5835
58362018-11-07  Chenghua Xu  <paul.hua.gm@gmail.com>
5837
5838	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add
5839	__mips_loongson_ext.
5840	(MIPS_ASE_LOONGSON_EXT_SPEC): New.
5841	(BASE_DRIVER_SELF_SPECS): march=loongson3a implies
5842	-mloongson-ext.
5843	(ASM_SPEC): Add mloongson-ext and mno-loongson-ext.
5844	* config/mips/mips.md (mul<mode>3, mul<mode>3_mul3_nohilo,
5845	<u>div<mode>3, <u>mod<mode>3, prefetch): Use TARGET_LOONGSON_EXT
5846	instead of TARGET_LOONGSON_3A.
5847	* config/mips/mips.opt (-mloongson-ext): Add option.
5848	* gcc/doc/invoke.texi (-mloongson-ext): Document.
5849
58502018-11-07  Chenghua Xu  <paul.hua.gm@gmail.com>
5851
5852	* config.gcc (extra_headers): Add loongson-mmiintrin.h.
5853	* config/mips/loongson.md: Move to ...
5854	* config/mips/loongson-mmi.md: here; Adjustment.
5855	* config/mips/loongson.h: Move to ...
5856	State as deprecated. Include loongson-mmiintrin.h for back
5857	compatibility and warning.
5858	* config/mips/loongson-mmiintrin.h: ... here.
5859	* config/mips/mips.c (mips_hard_regno_mode_ok_uncached,
5860	mips_vector_mode_supported_p, AVAIL_NON_MIPS16): Use
5861	TARGET_LOONGSON_MMI instead of TARGET_LOONGSON_VECTORS.
5862	(mips_option_override): Make sure MMI use hard float;
5863	(mips_shift_truncation_mask, mips_expand_vpc_loongson_even_odd,
5864	mips_expand_vpc_loongson_pshufh, mips_expand_vpc_loongson_bcast,
5865	mips_expand_vector_init): Use TARGET_LOONGSON_MMI instead of
5866	TARGET_LOONGSON_VECTORS.
5867	* gcc/config/mips/mips.h (TARGET_LOONGSON_VECTORS): Delete.
5868	(TARGET_CPU_CPP_BUILTINS): Add __mips_loongson_mmi.
5869	(MIPS_ASE_DSP_SPEC, MIPS_ASE_LOONGSON_MMI_SPEC): New.
5870	(BASE_DRIVER_SELF_SPECS): march=loongson2e/2f/3a implies
5871	-mloongson-mmi.
5872	(SHIFT_COUNT_TRUNCATED): Use TARGET_LOONGSON_MMI instead of
5873	TARGET_LOONGSON_VECTORS.
5874	* gcc/config/mips/mips.md (MOVE64, MOVE128): Use
5875	TARGET_LOONGSON_MMI instead of TARGET_LOONGSON_VECTORS.
5876	(Loongson MMI patterns): Include loongson-mmi.md instead of
5877	loongson.md.
5878	* gcc/config/mips/mips.opt (-mloongson-mmi): New option.
5879	* gcc/doc/invoke.texi (-mloongson-mmi): Document.
5880
58812018-11-07  Richard Biener  <rguenther@suse.de>
5882
5883	PR lto/87906
5884	* tree-streamer-in.c (lto_input_ts_block_tree_pointers): Fixup
5885	BLOCK_ABSTRACT_ORIGIN to be the ultimate origin.
5886
58872018-11-07  Alexandre Oliva  <aoliva@redhat.com>
5888
5889	PR rtl-optimization/87874
5890	* lra.c (lra_substitute_pseudo): Do not create a subreg for
5891	const wide ints.
5892
58932018-11-06  Aaron Sawdey  <acsawdey@linux.ibm.com>
5894
5895	* config/rs6000/rs6000.md (bswap<mode>2): Force address into register
5896	if not in indexed or indirect form.
5897	(bswap<mode>2_load): Change predicate to indexed_or_indirect_operand.
5898	(bswap<mode>2_store): Ditto.
5899
59002018-11-06  Richard Earnshaw  <rearnsha@arm.com>
5901
5902	* config/aarch64/aarch64.md (speculation_tracker): Set the mode for
5903	the UNSPEC.
5904
59052018-11-06  Richard Biener  <rguenther@suse.de>
5906
5907	PR tree-optimization/86850
5908	* vec.h (vec<T, va_heap, vl_ptr>::splice): Check src.length ()
5909	instead of src.m_vec.
5910
59112018-11-06  Jan Hubicka  <jh@suse.cz>
5912
5913	* tree.c (fld_simplified_type_name): Break out form ...
5914	(free_lang_data_in_type): ... here.
5915	(fld_type_variant_equal_p): Use it.
5916
59172018-11-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5918
5919	* config/default-d.c: Include memmodel.h.
5920
5921	* config/sol2-d.c: New file.
5922	* config/t-sol2 (sol2-d.o): New rule.
5923	* config.gcc <*-*-solaris2*>: Set d_target_objs,
5924	target_has_targetdm.
5925
59262018-11-06  Jan Hubicka  <jh@suse.cz>
5927
5928	* tree.c (fld_type_variant): Also copy alignment; be sure that
5929	new variant is equal.
5930
59312018-11-06  Ilya Leoshkevich  <iii@linux.ibm.com>
5932
5933	PR target/87762
5934	* config/s390/s390.md: Add relative_long attribute.
5935
59362018-11-06  Jan Hubicka  <jh@suse.cz>
5937
5938	* ipa-pure-const.c (check_decl): Do not test TYPE_NEEDS_CONSTRUCTING.
5939	* lto-streamer-out.c (hash_tree): Do not hash TYPE_NEEDS_CONSTRUCTING.
5940	* tree-streamer-in.c (unpack_ts_type_common_value_fields): Do not
5941	stream TYPE_NEEDS_CONSTRUCTING.
5942	* tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
5943	* tree.c (free_lang_data_in_type): Clear TYPE_NEEDS_CONSTRUCTING.
5944
59452018-11-06  Richard Biener  <rguenther@suse.de>
5946
5947	* tree-vect-slp.c (vect_slp_bb): Move opening of vect_slp_analyze_bb
5948	dump-scope ...
5949	(vect_slp_analyze_bb_1): ... here to avoid hiding optimized locations.
5950
59512018-11-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
5952
5953	* gcc/config/msp430/msp430.h (REG_CLASS_CONTENTS): Add R0 to
5954	REG_CLASS_CONTENTS[GEN_REGS].
5955	(REGNO_REG_CLASS): Return NO_REGS for R2 and R3.
5956
59572018-11-06  Jan Hubicka  <jh@suse.cz>
5958
5959	 * tree.c (fld_simplified_type_of): Clear TYPELESS_STORAGE flag.
5960
59612018-11-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5962
5963	PR sanitizer/80953
5964	* config/sol2.h (ASAN_CC1_SPEC): Define.
5965	(LD_WHOLE_ARCHIVE_OPTION): Define.
5966	(LD_NO_WHOLE_ARCHIVE_OPTION): Define.
5967	(ASAN_REJECT_SPEC): Provide default.
5968	(LIBASAN_EARLY_SPEC): Define.
5969	(LIBTSAN_EARLY_SPEC): Define.
5970	(LIBLSAN_EARLY_SPEC): Define.
5971	* config/i386/sol2.h (CC1_SPEC): Redefine.
5972	(ASAN_REJECT_SPEC): Define.
5973
5974	* config/sparc/sparc.c (sparc_asan_shadow_offset): Declare.
5975	(TARGET_ASAN_SHADOW_OFFSET): Define.
5976	(sparc_asan_shadow_offset): New function.
5977	* config/sparc/sol2.h (CC1_SPEC): Append ASAN_CC1_SPEC.
5978	(ASAN_REJECT_SPEC): Define.
5979
59802018-11-06  Jan Hubicka  <jh@suse.cz>
5981
5982	* tree.c (fld_type_variant): Copy canonical type.
5983	(fld_incomplete_type_of): Check that canonical types looks sane;
5984	copy canonical type.
5985	(verify_type): Accept when incomplete type has complete canonical type.
5986
59872018-11-06  Jan Hubicka  <jh@suse.cz>
5988
5989	* tree.c (free_lang_data): Reset overwite_assembler_name,
5990	print_xnode, print_decl, print_type and print_identifier of
5991	langhooks.
5992
59932018-11-06  Richard Biener  <rguenther@suse.de>
5994
5995	PR tree-optimization/87889
5996	* tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
5997	Do nothing if old and new arg are the same
5998
59992018-11-06  Andreas Krebbel  <krebbel@linux.ibm.com>
6000
6001	PR target/87723
6002	* config/s390/s390.md ("*r<noxa>sbg_di_rotl"): Remove mode
6003	attributes for operands 3 and 4.
6004
60052018-11-06  Richard Biener  <rguenther@suse.de>
6006
6007	PR middle-end/18041
6008	* simplify-rtx.c (simplify_binary_operation_1): Add pattern
6009	matching bitfield insertion.
6010
60112018-11-06  Alexandre Oliva  <aoliva@redhat.com>
6012
6013	* auto-inc-dec.c: Include valtrack.h.  Improve comments.
6014	(reg_next_debug_use): New.
6015	(attempt_change): Propagate adjusted expression into affected
6016	debug insns.
6017	(merge_in_block): Track uses in debug insns.
6018	(pass_inc_dec::execute): Allocate and release
6019	reg_next_debug_use.
6020
60212018-11-06  Wei Xiao  <wei3.xiao@intel.com>
6022
6023	* config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
6024	(_mm512_fixupimm_round_pd): Update parameters and builtin.
6025	(_mm512_maskz_fixupimm_round_pd): Ditto.
6026	(_mm512_fixupimm_round_ps): Ditto.
6027	(_mm512_maskz_fixupimm_round_ps): Ditto.
6028	(_mm_fixupimm_round_sd): Ditto.
6029	(_mm_maskz_fixupimm_round_sd): Ditto.
6030	(_mm_fixupimm_round_ss): Ditto.
6031	(_mm_maskz_fixupimm_round_ss): Ditto.
6032	(_mm512_fixupimm_pd): Ditto.
6033	(_mm512_maskz_fixupimm_pd): Ditto.
6034	(_mm512_fixupimm_ps): Ditto.
6035	(_mm512_maskz_fixupimm_ps): Ditto.
6036	(_mm_fixupimm_sd): Ditto.
6037	(_mm_maskz_fixupimm_sd): Ditto.
6038	(_mm_fixupimm_ss): Ditto.
6039	(_mm_maskz_fixupimm_ss): Ditto.
6040	(_mm512_mask_fixupimm_round_pd): Update builtin.
6041	(_mm512_mask_fixupimm_round_ps): Ditto.
6042	(_mm_mask_fixupimm_round_sd): Ditto.
6043	(_mm_mask_fixupimm_round_ss): Ditto.
6044	(_mm512_mask_fixupimm_pd): Ditto.
6045	(_mm512_mask_fixupimm_ps): Ditto.
6046	(_mm_mask_fixupimm_sd): Ditto.
6047	(_mm_mask_fixupimm_ss): Ditto.
6048	* config/i386/avx512vlintrin.h:
6049	(_mm256_fixupimm_pd): Update parameters and builtin.
6050	(_mm256_maskz_fixupimm_pd): Ditto.
6051	(_mm256_fixupimm_ps): Ditto.
6052	(_mm256_maskz_fixupimm_ps): Ditto.
6053	(_mm_fixupimm_pd): Ditto.
6054	(_mm_maskz_fixupimm_pd): Ditto.
6055	(_mm_fixupimm_ps): Ditto.
6056	(_mm_maskz_fixupimm_ps): Ditto.
6057	(_mm256_mask_fixupimm_pd): Update builtin.
6058	(_mm256_mask_fixupimm_ps): Ditto.
6059	(_mm_mask_fixupimm_pd): Ditto.
6060	(_mm_mask_fixupimm_ps): Ditto.
6061	* config/i386/i386-builtin-types.def: Add new types and remove useless ones.
6062	* config/i386/i386-builtin.def: Update builtin definitions.
6063	* config/i386/i386.c: Handle new builtin types and remove useless ones.
6064	* config/i386/sse.md: Update VFIXUPIMM* patterns.
6065	(<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
6066	(<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
6067	(<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
6068	(avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
6069	(avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
6070	(avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
6071	* config/i386/subst.md:
6072	(round_saeonly_sd_mask_operand4): Add new subst_attr.
6073	(round_saeonly_sd_mask_op4): Ditto.
6074	(round_saeonly_expand_operand5): Ditto.
6075	(round_saeonly_expand): Update.
6076
60772018-11-05  Max Filippov  <jcmvbkbc@gmail.com>
6078
6079	* config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0.
6080
60812018-11-05  Segher Boessenkool  <segher@kernel.crashing.org>
6082
6083	PR rtl-optimization/87871
6084	* combine.c (make_more_copies): Skip if dest is frame_pointer_rtx.
6085
60862018-11-05  Paul Koning  <ni1d@arrl.net>
6087
6088	* doc/sourcebuild.texi (target attributes): Document new "inf"
6089	effective target keyword.
6090
60912018-11-05  Robin Dapp  <rdapp@linux.ibm.com>
6092
6093	* config/s390/s390.c (s390_register_move_cost): Increase costs for
6094	moves involving the CC reg.
6095
60962018-11-05  Richard Biener  <rguenther@suse.de>
6097
6098	PR tree-optimization/87873
6099	* tree-ssa-loop-manip.h (split_loop_exit_edge): Add copy_constants_p
6100	argument.
6101	* tree-ssa-loop-manip.c (split_loop_exit_edge): Likewise.
6102	* tree-vect-loop.c (vect_transform_loop): When splitting the
6103	loop exit also create forwarder PHIs for constants.
6104	* tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
6105	Handle constant to_arg, add extra checking we match up the correct
6106	PHIs.
6107
61082018-11-05  Robin Dapp  <rdapp@linux.ibm.com>
6109
6110	* config/s390/s390.md: QImode and HImode for load on condition.
6111
61122018-11-05  Robin Dapp  <rdapp@linux.ibm.com>
6113
6114	* config/s390/predicates.md: Fix typo.
6115	* config/s390/s390.md: Allow immediates for load on condition.
6116
61172018-11-05  Martin Liska  <mliska@suse.cz>
6118
6119	* alloc-pool.h (struct pool_usage): Use SIZE_AMOUNT.
6120	* bitmap.h (struct bitmap_usage): Likewise.
6121	* ggc-common.c (SCALE): Remove.
6122	(LABEL): Likewise.
6123	(struct ggc_usage): Use SIZE_AMOUNT. And update
6124	compare method.
6125	* ggc-page.c (SCALE): Remove.
6126	(STAT_LABEL): Remove.
6127	(ggc_print_statistics): Use SIZE_AMOUNT.
6128	* gimple.h (SCALE): Remove.
6129	(LABEL): Likewise.
6130	* input.c (ONE_K): Remove.
6131	(ONE_M): Likewise.
6132	(SCALE): Likewise.
6133	(STAT_LABEL): Likewise.
6134	(FORMAT_AMOUNT): Likewise.
6135	(dump_line_table_statistics): Use SIZE_AMOUNT.
6136	* mem-stats.h (struct mem_usage): Likewise.
6137	* rtl.c (dump_rtx_statistics): Likewise.
6138	(rtx_alloc_counts): Change type to size_t.
6139	(rtx_alloc_sizes): Likewise.
6140	(rtx_count_cmp): New.
6141	(dump_rtx_statistics): Sort first based on counts.
6142	* tree.c (tree_nodes_cmp): New.
6143	(tree_codes_cmp): New.
6144	(dump_tree_statistics): Sort first based on counts.
6145	* system.h (ONE_K): New.
6146	(ONE_M): Likewise.
6147	(SIZE_SCALE): Likewise.
6148	(SIZE_LABEL): Likewise.
6149	(SIZE_AMOUNT): Likewise.
6150	* tree-cfg.c (dump_cfg_stats): Use SIZE_AMOUNT.
6151	* tree-dfa.c (dump_dfa_stats): Likewise.
6152	* tree-phinodes.c (phinodes_print_statistics): Likewise.
6153	* tree-ssanames.c (ssanames_print_statistics): Likewise.
6154	* tree.c (dump_tree_statistics): Likewise.
6155	* vec.c (struct vec_usage): Likewise.
6156	* trans-mem.c (tm_mangle): Enlarge buffer in order to not
6157	trigger a -Werror=format-overflow with
6158	--enable-gather-detailed-stats.
6159
61602018-11-05  Martin Liska  <mliska@suse.cz>
6161
6162	* mem-stats.h (mem_alloc_description::release_instance_overhead):
6163	Return T *.
6164	* vec.c (struct vec_usage): Register m_element_size.
6165	(vec_prefix::register_overhead): New arguments: elements and
6166	element_size.
6167	(vec_prefix::release_overhead): Subtract elements.
6168	* vec.h (struct vec_prefix): Change signature.
6169	(va_heap::reserve): Pass proper arguments.
6170	(va_heap::release): Likewise.
6171
61722018-11-05  Martin Liska  <mliska@suse.cz>
6173
6174	* mem-stats.h (mem_alloc_description::get_list): Fix GNU coding
6175	style.
6176	* vec.c: Likewise.
6177
61782018-11-05  Richard Biener  <rguenther@suse.de>
6179
6180	* tree-scalar-evolution.h (final_value_replacement_loop): Update
6181	prototype.
6182	* tree-scalar-evolution.c (final_value_replacement_loop): Return
6183	whether anything was done.
6184	(scev_const_prop): Remove constant propagation part, fold
6185	remains into ...
6186	* tree-ssa-loop.c (pass_scev_cprop::execute): ... here.
6187	(pass_data_scev_cprop): TODO_cleanup_cfg is now done
6188	conditionally.
6189
61902018-11-05  Jakub Jelinek  <jakub@redhat.com>
6191
6192	PR tree-optimization/87859
6193	* gimple-ssa-store-merging.c (struct merged_store_group): Add
6194	only_constants and first_nonmergeable_order members.
6195	(merged_store_group::merged_store_group): Initialize them.
6196	(merged_store_group::do_merge): Clear only_constants member if
6197	adding something other than INTEGER_CST store.
6198	(imm_store_chain_info::coalesce_immediate_stores): Don't merge
6199	stores with order >= first_nonmergeable_order.  Use
6200	merged_store->only_constants instead of always recomputing it.
6201	Set merged_store->first_nonmergeable_order if we've skipped any
6202	stores.  Attempt to merge overlapping INTEGER_CST stores that
6203	we would otherwise skip.
6204
6205	PR sanitizer/87837
6206	* match.pd (X + Y < X): Don't optimize if TYPE_OVERFLOW_SANITIZED.
6207
62082018-11-05  Xuepeng Guo  <xuepeng.guo@intel.com>
6209
6210	PR target/87853
6211	* config/i386/emmintrin.h (__v16qs): New to cope with option
6212	-funsigned-char.
6213	(_mm_cmpeq_epi8): Replace __v16qi with __v16qs.
6214	(_mm_cmplt_epi8): Likewise.
6215	(_mm_cmpgt_epi8): Likewise.
6216
62172018-11-05  Richard Biener  <rguenther@suse.de>
6218
6219	PR rtl-optimization/87852
6220	* fwprop.c (use_killed_between): Only consider single-defs of the
6221	use whose definition statement dominates the use.
6222
62232018-11-05  Martin Liska  <mliska@suse.cz>
6224
6225	PR web/87829
6226	* doc/invoke.texi: Remove options that are
6227	not disabled with -Os.
6228
62292018-11-05  Martin Liska  <mliska@suse.cz>
6230
6231	PR c/87811
6232	* doc/extend.texi: Update constrain about the last argument
6233	of __builtin_expect_with_probability.
6234
62352018-11-05  Martin Liska  <mliska@suse.cz>
6236
6237	PR c/87811
6238	* predict.c (expr_expected_value_1): Verify
6239	that last argument is a real constants and emit
6240	error.
6241
62422018-11-05  Martin Liska  <mliska@suse.cz>
6243
6244	PR gcov-profile/77698
6245	* ipa-profile.c (ipa_profile): Adjust hotness threshold
6246	only in LTO mode.
6247
62482018-11-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6249
6250	PR tree-optimization/86572
6251	* builtins.c (c_strlen): Handle negative offsets in a safe way.
6252
62532018-11-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6254
6255	PR tree-optimization/87672
6256	* gimple-fold.c (gimple_fold_builtin_stxcpy_chk): Gimplify.
6257	* tree-ssa-strlen.c (handle_builtin_strcat): Adjust object size.
6258
62592018-11-04  Uros Bizjak  <ubizjak@gmail.com>
6260
6261	PR middle-end/58372
6262	* cfgexpand.c (pass_expand::execute): Move the call to
6263	finish_eh_generation in front of the call to expand_stack_alignment.
6264
62652018-11-04  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
6266
6267	* common/config/i386/i386-common.c (processor_alias_table): Add
6268	znver2 entry.
6269	* config.gcc (i[34567]86-*-linux* | ...): Add znver2.
6270	(case ${target}): Add znver2.
6271	* config/i386/driver-i386.c: (host_detect_local_cpu): Let
6272	-march=native recognize znver2 processors.
6273	* config/i386/i386-c.c (ix86_target_macros_internal): Add znver2.
6274	* config/i386/i386.c (m_znver2): New definition.
6275	(m_ZNVER): New definition.
6276	(m_AMD_MULTIPLE): Includes m_znver2.
6277	(processor_cost_table): Add znver2 entry.
6278	(processor_target_table): Add znver2 entry.
6279	(get_builtin_code_for_version): Set priority for
6280	PROCESSOR_ZNVER2.
6281	(processor_model): Add M_AMDFAM17H_ZNVER2.
6282	(arch_names_table): Ditto.
6283	(ix86_reassociation_width): Include znver2.
6284	* config/i386/i386.h (TARGET_znver2): New definition.
6285	(struct ix86_size_cost): Add TARGET_ZNVER2.
6286	(enum processor_type): Add PROCESSOR_ZNVER2.
6287	* config/i386/i386.md (define_attr "cpu"): Add znver2.
6288	* config/i386/x86-tune-costs.h: (processor_costs) Add znver2 costs.
6289	* config/i386/x86-tune-sched.c: (ix86_issue_rate): Add znver2.
6290	(ix86_adjust_cost): Add znver2.
6291	* config/i386/x86-tune.def:  Replace m_ZNVER1 by m_ZNVER.
6292	* gcc/doc/extend.texi: Add details about znver2.
6293	* gcc/doc/invoke.texi: Add details about znver2.
6294
62952018-11-03  Sandra Loosemore  <sandra@codesourcery.com>
6296
6297	PR target/87079
6298
6299	* config/nios2/nios2.c (nios2_rtx_costs): Recognize <mul>sidi3
6300	pattern.
6301
63022018-11-02  Aaron Sawdey  <acsawdey@linux.ibm.com>
6303
6304	* config/rs6000/rs6000-string.c (expand_strncmp_gpr_sequence): Pay
6305	attention to TARGET_AVOID_XFORM and BYTES_BIG_ENDIAN.
6306
63072018-11-02  Richard Earnshaw  <rearnsha@arm.com>
6308
6309	* config/aarch64/aarch64.c ((aarch64_override_options): Disable
6310	shrink-wrapping when -mtrack-speculation.
6311
63122018-11-02  Richard Biener  <rguenther@suse.de>
6313
6314	* tree-ssa-coalesce.c (struct coalesce_list): Add obstack member.
6315	(pop_cost_one_pair): Do not free pair.
6316	(pop_best_coalesce): Likewise.
6317	(create_coalesce_list): Initialize obstack.
6318	(delete_coalesce_list): Free obstack.
6319	(find_coalesce_pair): Obstack-allocate coalesce pairs.
6320	(add_cost_one_coalesce): Likewise.
6321	(struct live_track): Remove bitmap pointer indirections.
6322	(new_live_track): Adjust.
6323	(delete_live_track): Likewise.
6324	(live_track_remove_partition): Likewise.
6325	(live_track_add_partition): Likewise.
6326	(live_track_live_p): Likewise.
6327	(live_track_process_def): Likewise.
6328	(live_track_clear_base_vars): Likewise.
6329
63302018-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6331
6332	* configure.ac (gcc_cv_as_sparc_register_op): Remove.
6333	* configure: Regenerate.
6334	* config.in: Regenerate.
6335	* config/sparc/sparc.c (sparc_output_scratch_registers): Remove
6336	HAVE_AS_REGISTER_PSEUDO_OP guard.
6337	* config/sparc/sparc.h (ASM_ARCH64_SPEC): Remove
6338	!HAVE_AS_REGISTER_PSEUDO_OP support.
6339	(ASM_DECLARE_REGISTER_GLOBAL): Remove HAVE_AS_REGISTER_PSEUDO_OP
6340	guard.
6341
63422018-11-02  Richard Biener  <rguenther@suse.de>
6343
6344	* dwarf2out.c (build_abbrev_table): Guard lookup_external_ref call
6345	with is_type_die.
6346
63472018-11-02  Richard Biener  <rguenther@suse.de>
6348
6349	PR tree-optimization/87776
6350	* tree-ssa-sccvn.c (do_rpo_vn): Do not mark backedges
6351	executable when iterating but running into rpo-vn-max-loop-depth
6352	and not eliding the iteration.
6353
63542018-11-30  Jan Hubicka  <jh@suse.cz>
6355
6356	* tree.c (free_lang_data_in_decl): Free TREE_TYPE and alignment of
6357	TYPE_DECL.
6358
63592018-11-01  Aaron Sawdey  <acsawdey@linux.ibm.com>
6360
6361	* config/rs6000/rs6000-protos.h (rs6000_address_for_fpconvert): Remove
6362	prototype.
6363	* config/rs6000/rs6000.c (rs6000_force_indexed_or_indirect_mem):
6364	Combine with rs6000_address_for_fpconvert.
6365	(rs6000_address_for_fpconvert): Combine with
6366	rs6000_force_indexed_or_indirect_mem.
6367	(rs6000_expand_vector_init): Change function call from
6368	rs6000_address_for_fpconvert to rs6000_force_indexed_or_indirect_mem.
6369	* config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Change call from
6370	rs6000_address_for_fpconvert to rs6000_force_indexed_or_indirect_mem.
6371	(floatsi<mode>2_lfiwax_mem): Ditto.
6372	(floatunssi<mode>2_lfiwzx): Ditto.
6373	(floatunssi<mode>2_lfiwzx_mem): Ditto.
6374	(float<QHI:mode><FP_ISA3:mode>2): Ditto.
6375	(floatuns<QHI:mode><FP_ISA3:mode>2): Ditto.
6376	(fix_trunc<mode>si2_stfiwx): Ditto.
6377	(fixuns_trunc<mode>si2_stfiwx): Ditto.
6378	(float_<mode>si2_hw): Ditto.
6379	(floatuns_<mode>si2_hw): Ditto.
6380	* config/rs6000/vsx.md (*vsx_extract_si): Ditto.
6381	(vsx_splat_<mode>): Ditto.
6382
63832018-11-01  Joseph Myers  <joseph@codesourcery.com>
6384
6385	* configure.ac (gcc_cv_as_ia64_ltoffx_ldxmov_relocs): Add newline
6386	at end of assembler input text.
6387	* configure: Regenerate.
6388
63892018-11-01  Jakub Jelinek  <jakub@redhat.com>
6390
6391	PR tree-optimization/87826
6392	* gimple-ssa-store-merging.c (do_shift_rotate): Punt if count is
6393	negative or larger or equal to type's precision.
6394
63952018-10-31  Alexandre Oliva  <aoliva@redhat.com>
6396
6397	* opts.c (default_options_table): Do not enable
6398	OPT_fdelayed_branch at -Og.
6399	* doc/invoke.texi (-fdelayed-branch): Document it.
6400
64012018-10-31  Richard Henderson  <richard.henderson@linaro.org>
6402
6403	* optabs-libfuncs.c (build_libfunc_function_visibility):
6404	New, split out from...
6405	(build_libfunc_function): ... here.
6406	(init_one_libfunc_visibility): New, split out from ...
6407	(init_one_libfunc): ... here.
6408
6409	* config/aarch64/atomics.md (aarch64_atomic_<ATOMIC_LDOP><ALLI>_lse):
6410	scratch register need not be early-clobber.  Document the reason
6411	why we cannot use ST<OP>.
6412
64132018-10-31  Joseph Myers  <joseph@codesourcery.com>
6414
6415	PR bootstrap/82856
6416	* configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.  Use single
6417	line for second argument of AC_DEFINE_UNQUOTED.
6418	* doc/install.texi (Tools/packages necessary for modifying GCC):
6419	Update to autoconf 2.69 and automake 1.15.1.
6420	* aclocal.m4, config.in, configure: Regenerate.
6421
64222018-10-31  Pat Haugen  <pthaugen@us.ibm.com>
6423
6424	* tree-ssa-loop-ivcanon.c (try_peel_loop): Fix typo and remove dead
6425	initialization.
6426
64272018-10-31  Martin Liska  <mliska@suse.cz>
6428
6429	PR driver/83193
6430	* common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
6431	Add new argument invalid_extension.
6432	(aarch64_get_all_extension_candidates): New function.
6433	(aarch64_rewrite_selected_cpu): Add NULL to function call.
6434	* config/aarch64/aarch64-protos.h (aarch64_parse_extension): Add
6435	new argument.
6436	(aarch64_get_all_extension_candidates): New function.
6437	* config/aarch64/aarch64.c (aarch64_parse_arch): Add new
6438	argument invalid_extension.
6439	(aarch64_parse_cpu): Likewise.
6440	(aarch64_print_hint_for_extensions): New function.
6441	(aarch64_validate_mcpu): Provide hint about invalid extension.
6442	(aarch64_validate_march): Likewise.
6443	(aarch64_handle_attr_arch): Pass new argument.
6444	(aarch64_handle_attr_cpu): Provide hint about invalid extension.
6445	(aarch64_handle_attr_isa_flags): Likewise.
6446
64472018-10-31  Richard Biener  <rguenther@suse.de>
6448
6449	PR middle-end/70359
6450	PR middle-end/86270
6451	* tree-outof-ssa.c (insert_backedge_copies): Restrict
6452	copy generation to useful cases.  Place the copy before
6453	the definition of the backedge value when possible.
6454
64552018-10-31  Claudiu Zissulescu  <claziss@synopsys.com>
6456
6457	* config/arc/arc-arch.h (ARC_TUNE_ARC7XX): New tune value.
6458	* config/arc/arc.c (arc_active_insn): New function.
6459	(check_store_cacheline_hazard): Likewise.
6460	(workaround_arc_anomaly): Use check_store_cacheline_hazard.
6461	(arc_override_options): Disable delay slot scheduler for older
6462	A7.
6463	(arc_store_addr_hazard_p): New implementation, old one renamed to
6464	...
6465	(arc_store_addr_hazard_internal_p): Renamed.
6466	(arc_reorg): Don't combine into brcc instructions which are part
6467	of hardware hazard solution.
6468	* config/arc/arc.md (attr tune): Consider new arc7xx tune value.
6469	(tune_arc700): Likewise.
6470	* config/arc/arc.opt (arc7xx): New tune value.
6471	* config/arc/arc700.md: Improve A7 scheduler.
6472
64732018-10-31  Claudiu Zissulescu  <claziss@synopsys.com>
6474
6475	* config/arc/arc.c (arc_override_options): Remove
6476	TARGET_COMPACT_CASESI.
6477	* config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Update.
6478	(CASE_VECTOR_MODE): Likewise.
6479	(CASE_VECTOR_PC_RELATIVE): Likewise.
6480	(CASE_VECTOR_SHORTEN_MODE): Likewise.
6481	(CASE_VECTOR_SHORTEN_MODE1): Delete.
6482	(ADDR_VEC_ALIGN): Update.
6483	(ASM_OUTPUT_CASE_LABEL): Undefine.
6484	(ASM_OUTPUT_BEFORE_CASE_LABEL): Undefine.
6485	(TARGET_BI_BIH): Define.
6486	(DEFAULT_BRANCH_INDEX): Likewise.
6487	* config/arc/arc.md (casesi): Rework to accept BI/BIH
6488	instructions, remove compact_casesi use case.
6489	(casesi_compact_jump): Remove.
6490	(casesi_dispatch): New pattern.
6491	* config/arc/arc.opt: Add mbranch-index option. Deprecate
6492	compact_casesi option.
6493	* doc/invoke.texi: Document mbranch-index option.
6494
64952018-10-31  Claudiu Zissulescu  <claziss@synopsys.com>
6496
6497	* config/arc/arc.c (arc_get_tp): Remove function.
6498	(arc_emit_call_tls_get_addr): Likewise.
6499	(arc_call_tls_get_addr): New function.
6500	(arc_legitimize_tls_address): Make use of arc_call_tls_get_addr.
6501	* config/arc/arc.md (tls_load_tp_soft): Remove.
6502	(tls_gd_get_addr): Likewise.
6503
65042018-10-31  Claudiu Zissulescu  <claziss@synopsys.com>
6505
6506	* config/arc/arc.md (mulsi3): Remove call to mulsi_600_lib.
6507	(mulsi3_600_lib): Remove pattern.
6508	(umulsi3_highpart_600_lib_le): Likewise.
6509	(umulsi3_highpart): Remove call to umulsi3_highpart_600_lib_le.
6510	(umulsidi3): Remove call to umulsidi3_600_lib.
6511	(umulsidi3_600_lib): Remove pattern.
6512	(peephole2): Remove peephole using the above deprecated patterns.
6513
65142018-10-31  Thomas Preud'homme  <thomas.preudhomme@linaro.org>
6515
6516	PR target/87374
6517	* config/arm/arm.c (arm_option_check_internal): Disable the combined
6518	use of -mslow-flash-data and -mword-relocations.
6519	(arm_option_override): Enable -mword-relocations if -fpic or -fPIC.
6520	* config/arm/arm.md (SYMBOL_REF MOVT splitter): Stop checking for
6521	flag_pic.
6522	* doc/invoke.texi (-mword-relocations): Mention conflict with
6523	-mslow-flash-data.
6524	(-mslow-flash-data): Reciprocally.
6525
65262018-10-31  Richard Henderson  <richard.henderson@linaro.org>
6527
6528	* config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Force
6529	16-byte modes held in GP registers to use an even regno.
6530
6531	* config/aarch64/aarch64.c (aarch64_emit_bic): Remove.
6532	(aarch64_atomic_ldop_supported_p): Remove.
6533	(aarch64_gen_atomic_ldop): Remove.
6534	* config/aarch64/atomic.md (atomic_<atomic_optab><ALLI>):
6535	Fully expand LSE operations here.
6536	(atomic_fetch_<atomic_optab><ALLI>): Likewise.
6537	(atomic_<atomic_optab>_fetch<ALLI>): Likewise.
6538	(aarch64_atomic_<ATOMIC_LDOP><ALLI>_lse): Drop atomic_op iterator
6539	and use ATOMIC_LDOP instead; use register_operand for the input;
6540	drop the split and emit insns directly.
6541	(aarch64_atomic_fetch_<ATOMIC_LDOP><ALLI>_lse): Likewise.
6542	(aarch64_atomic_<atomic_op>_fetch<ALLI>_lse): Remove.
6543	(@aarch64_atomic_load<ATOMIC_LDOP><ALLI>): Remove.
6544
6545	* config/aarch64/aarch64.c (aarch64_emit_atomic_swap): Remove.
6546	(aarch64_gen_atomic_ldop): Don't call it.
6547	* config/aarch64/atomics.md (atomic_exchange<ALLI>):
6548	Use aarch64_reg_or_zero.
6549	(aarch64_atomic_exchange<ALLI>): Likewise.
6550	(aarch64_atomic_exchange<ALLI>_lse): Remove split; remove & from
6551	operand 0; use aarch64_reg_or_zero for input; merge ...
6552	(@aarch64_atomic_swp<ALLI>): ... this and remove.
6553
6554	* config/aarch64/aarch64.c (aarch64_gen_compare_reg_maybe_ze): New.
6555	(aarch64_split_compare_and_swap): Use it.
6556	(aarch64_expand_compare_and_swap): Likewise.  Remove convert_modes;
6557	test oldval against the proper predicate.
6558	* config/aarch64/atomics.md (@atomic_compare_and_swap<ALLI>):
6559	Use nonmemory_operand for expected.
6560	(cas_short_expected_pred): New.
6561	(@aarch64_compare_and_swap<SHORT>): Use it; use "rn" not "rI" to match.
6562	(@aarch64_compare_and_swap<GPI>): Use "rn" not "rI" for expected.
6563	* config/aarch64/predicates.md (aarch64_plushi_immediate): New.
6564	(aarch64_plushi_operand): New.
6565
6566	* config/aarch64/aarch64.c (aarch64_expand_compare_and_swap):
6567	Force oldval into the rval register for TARGET_LSE; emit the compare
6568	during initial expansion so that it may be deleted if unused.
6569	(aarch64_gen_atomic_cas): Remove.
6570	* config/aarch64/atomics.md (@aarch64_compare_and_swap<SHORT>_lse):
6571	Change =&r to +r for operand 0; use match_dup for operand 2;
6572	remove is_weak and mod_f operands as unused.  Drop the split
6573	and merge with...
6574	(@aarch64_atomic_cas<SHORT>): ... this pattern's output; remove.
6575	(@aarch64_compare_and_swap<GPI>_lse): Similarly.
6576	(@aarch64_atomic_cas<GPI>): Similarly.
6577
65782018-10-31  Richard Biener  <rguenther@suse.de>
6579
6580	* tree-eh.c (replace_trapping_overflow): Simplify ABS_EXPR case
6581	using ABSU_EXPR.
6582
65832018-10-31  Sameera Deshpande  <sameera.deshpande@linaro.org>
6584
6585	* config/aarch64/aarch64-cores.def (saphira): Use saphira pipeline.
6586	* config/aarch64/aarch64.md: Include saphira.md
6587	* config/aarch64/saphira.md: New file for pipeline description.
6588
65892018-10-30  Martin Sebor  <msebor@redhat.com>
6590
6591	PR middle-end/87041
6592	* gimple-ssa-sprintf.c (format_directive): Use %G to include
6593	inlining context.
6594	(sprintf_dom_walker::compute_format_length):
6595	Avoid setting POSUNDER4K here.
6596	(get_destination_size): Handle null argument values.
6597	(get_user_idx_format): New function.
6598	(sprintf_dom_walker::handle_gimple_call): Handle all printf-like
6599	functions, including user-defined with attribute format printf.
6600	Use %G to include inlining context.
6601	Set POSUNDER4K here.
6602
66032018-10-30  Jan Hubicka  <jh@suse.cz>
6604
6605	* params.def (lto-partitions): Bump from 32 to 128.
6606
66072018-10-30  Jan Hubicka  <jh@suse.cz>
6608
6609	* tree.c
6610	(free_lang_data_d, add_tree_to_fld_list, fld_worklist_push): Move
6611	head in file.
6612	(free_lang_data_in_type): Forward declare.
6613	(fld_type_variant_equal_p): New function.
6614	(fld_type_variant): New function
6615	(fld_incomplete_types): New hash.
6616	(fld_incomplete_type_of): New function
6617	(fld_simplfied-type): New function.
6618	(free_lang_data_in_decl): Add fld parameter; simplify type of FIELD_DECL
6619	(free_lang_data): Allocate and free fld_incomplete_type; update call
6620	of free_lang_data_in_decl.
6621
66222018-10-30  Eric Botcazou  <ebotcazou@adacore.com>
6623
6624	* gcov.c (output_lines): Remove duplicate line.
6625
66262018-10-30  Aaron Sawdey  <acsawdey@linux.ibm.com>
6627
6628	* config/rs6000/rs6000.md (bswapdi2): Force address into register
6629	if not in indexed or indirect form.
6630	(bswapdi2_load): Change predicate to indexed_or_indirect_operand.
6631	(bswapdi2_store): Ditto.
6632	* config/rs6000/rs6000.c (rs6000_force_indexed_or_indirect_mem): New
6633	helper function.
6634	* config/rs6000/rs6000-protos.h (rs6000_force_indexed_or_indirect_mem):
6635	Prototype for helper function.
6636
66372018-10-30  Martin Sebor  <msebor@redhat.com>
6638
6639	* doc/extend.texi (optimize): Clarify/expand attribute documentation.
6640	(target, pragma GCC optimize, pragma GCC target): Ditto.
6641
66422018-10-30  Jonathan Wakely  <jwakely@redhat.com>
6643
6644	* doc/extend.texi: Fix prototype and description of
6645	__builtin_expect_with_probability.
6646
66472018-10-30  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
6648
6649	* cgraph.h (clone_function_name_1): Replaced by new
6650	  clone_function_name_numbered that takes name as string; for
6651	  privatize_symbol_name_1 use only.
6652	  (clone_function_name): Renamed to
6653	  clone_function_name_numbered to be explicit about numbering.
6654	  (clone_function_name): New two-argument function that does
6655	  not number its output.
6656	  (clone_function_name): New three-argument function that
6657	  takes a number to append to its output.
6658	* cgraphclones.c (duplicate_thunk_for_node):
6659	  (clone_function_name_1): Renamed.
6660	  (clone_function_name_numbered): Two new functions.
6661	  (clone_function_name): Improved documentation.
6662	  (cgraph_node::create_virtual_clone): Use clone_function_name_numbered.
6663	* config/rs6000/rs6000.c (make_resolver_func): Ditto.
6664	* final.c (final_scan_insn_1): Use the new clone_function_name
6665	  without numbering.
6666	* multiple_target.c (create_dispatcher_calls): Ditto.
6667	  (create_target_clone): Ditto.
6668	* omp-expand.c (grid_expand_target_grid_body): Ditto.
6669	* omp-low.c (create_omp_child_function_name): Ditto.
6670	* omp-simd-clone.c (simd_clone_create): Ditto.
6671	* symtab.c (simd_symtab_node::noninterposable_alias): Use the
6672	  new clone_function_name without numbering.
6673
66742018-10-30  Richard Earnshaw  <rearnsha@arm.com>
6675
6676	* alloc-pool.h (base_pool_allocator <TBlockAllocator>::initialize):
6677	Assert that the allocation size is not zero.
6678
66792018-10-30  Richard Biener  <rguenther@suse.de>
6680
6681	PR tree-optimization/87800
6682	* tree-vect-slp.c (vect_build_slp_tree_2): Reject any
6683	non-induction or reduction PHIs.
6684
66852018-10-30  Sameera Deshpande  <sameera.deshpande@linaro.org>
6686
6687	* config/aarch64/falkor-tag-collision-avoidance.c
6688	(execute_tag_collision_avoidance): Call df_note_add_problem.
6689
66902018-10-30  Martin Liska  <mliska@suse.cz>
6691
6692	* doc/extend.texi: Fix typo in documentation
6693	of __builtin_expect_with_probability.
6694
66952018-10-29  David Malcolm  <dmalcolm@redhat.com>
6696
6697	PR c++/87721
6698	* input.c (get_substring_ranges_for_loc): Detect if
6699	linemap_resolve_location gives us a NULL map, and reject
6700	this case.
6701
67022018-10-29  Iain Buclaw  <ibuclaw@gdcproject.org>
6703
6704	* config.gcc (xstormy16-*-elf): Set tm_d_file.
6705
67062018-10-29  David Malcolm  <dmalcolm@redhat.com>
6707	    Martin Sebor  <msebor@redhat.com>
6708	    Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6709
6710	* doc/ux.texi (Quoting): New subsection, adapted from material at
6711	https://gcc.gnu.org/wiki/DiagnosticsGuidelines written by
6712	MartinSebor and ManuelLopezIbanez.
6713	(Fix-it hints): Note that fix-it hints shouldn't be marked for
6714	translation.
6715
67162018-10-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
6717
6718	PR middle-end/87469
6719	* tree-ssa-loop-niter.c (number_of_iterations_popcount): Fix niter
6720	max value.
6721
67222018-10-29  Paul A. Clarke  <pc@us.ibm.com>
6723
6724	* gcc.target/powerpc/ssse3-check.h: Remove inaccurate comment.
6725
67262018-10-29  Paul Koning  <ni1d@arrl.net>
6727
6728	* doc/rtl.texi (CONST_WIDE_INT_ELT): Give correct macro name.
6729
67302018-10-29  Paul A. Clarke  <pc@us.ibm.com>
6731
6732	* gcc/config/rs6000/mmintrin.h (_mm_packs_pi16, _mm_packs_pi32,
6733	_mm_packs_pu16, _mm_unpackhi_pi8, _mm_unpacklo_pi8, _mm_add_pi8,
6734	_mm_add_pi16, _mm_add_pi32, _mm_sub_pi8, _mm_sub_pi16, _mm_sub_pi32,
6735	_mm_cmpgt_pi8, _mm_cmpeq_pi16, _mm_cmpgt_pi16, _mm_cmpeq_pi32,
6736	_mm_cmpgt_pi32, _mm_adds_pi8, _mm_adds_pi16, _mm_adds_pu8,
6737	_mm_adds_pu16, _mm_subs_pi8, _mm_subs_pi16, _mm_subs_pu8,
6738	_mm_subs_pu16, _mm_madd_pi16, _mm_mulhi_pi16, _mm_mullo_pi16,
6739	_mm_sll_pi16, _mm_sra_pi16, _mm_srl_pi16, _mm_set1_pi16, _mm_set1_pi8):
6740	Change 'vector' to '__vector'.
6741	* gcc/config/rs6000/xmmintrin.h (_mm_cvtps_pi32, _mm_cvttps_pi32,
6742	_mm_cvtps_pi16, _mm_cvtps_pi8, _mm_max_pi16, _mm_max_pu8, _mm_min_pi16,
6743	_mm_min_pu8, _mm_mulhi_pu16, _mm_shuffle_pi16, _mm_avg_pu8,
6744	_mm_avg_pu16): Likewise.  And, whitespace corrections.
6745
67462018-10-29  Richard Biener  <rguenther@suse.de>
6747
6748	PR tree-optimization/87785
6749	* tree-vect-slp.c (vect_gather_slp_loads): Only gather
6750	internal defs.
6751
67522018-10-29  Olivier Hainque  <hainque@adacore.com>
6753
6754	* VXWORKS_NET_LIBS_RTP: New macro, network part of VXWORKS_LIBS_RTP.
6755
67562018-10-29  Olivier Hainque  <hainque@adacore.com>
6757
6758	* config/vxworks.h (VXWORKS_PERSONALITY): New VxWorks
6759	ports configuration macro, defaults to "gnu".
6760	(VXWORKS_OS_CPP_BUILTINS): Use it. Feed TOOL and
6761	TOOL_FAMILY instead of _VX_TOOL/_VXTOOL_FAMILY.
6762
67632018-10-29  Olivier Hainque  <hainque@adacore.com>
6764
6765	* config/vxworks.h (CLEAR_INSN_CACHE): #undef before #define.
6766
67672018-10-29  Richard Biener  <rguenther@suse.de>
6768
6769	PR tree-optimization/87790
6770	* tree-vect-slp.c (vect_mark_slp_stmts): Simplify.
6771	(vect_make_slp_decision): Adjust.
6772	(vect_slp_analyze_bb_1): Likewise.
6773	(vect_detect_hybrid_slp_stmts): Properly union SLP type over
6774	edges.
6775
67762018-10-29  Richard Biener  <rguenther@suse.de>
6777
6778	PR tree-optimization/87785
6779	* tree-vect-slp.c (vect_build_slp_tree_2): Remove loads argument
6780	and processing.
6781	(vect_build_slp_tree): Likewise.
6782	(vect_gather_slp_loads): New function.
6783	(vect_analyze_slp_instance): Gather loads separately from the
6784	SLP tree build.
6785
67862018-10-29  Martin Liska  <mliska@suse.cz>
6787
6788	* Makefile.in: Make dependency to json.o.
6789	* doc/gcov.texi: Document new JSON format, remove
6790	old intermediate format documentation.
6791	* gcov.c (struct function_info): Come up with m_name and
6792	m_demangled_name.
6793	(function_info::function_info): Initialize it.
6794	(function_info::~function_info): Release it.
6795	(main): Rename flag_intermediate_format to flag_json_format.
6796	(print_usage): Describe --json-format.
6797	(process_args): Set flag_json_format.
6798	(output_intermediate_line): Remove.
6799	(output_intermediate_json_line): Likewise.
6800	(get_gcov_intermediate_filename): Return new extension
6801	".gcov.json.gz".
6802	(output_intermediate_file): Implement JSON emission.
6803	(output_json_intermediate_file): Implement JSON emission.
6804	(generate_results): Use ::get_name for function name.
6805	Handle JSON output file.
6806	(read_graph_file): Use ::get_name instead of cplus_demangle.
6807	(read_count_file): Likewise.
6808	(solve_flow_graph): Likewise.
6809	(add_line_counts): Likewise.
6810	(accumulate_line_counts): Use new flag_json_format.
6811	(output_function_details): Use ::get_name instead of cplus_demangle.
6812	(output_lines): Likewise.
6813	* json.cc (test_writing_literals): Add new tests.
6814	* json.h (class literal): Add new boolean constructor.
6815
68162018-10-29  Segher Boessenkool  <segher@kernel.crashing.org>
6817
6818	PR rtl-optimization/87701
6819	PR rtl-optimization/87780
6820	* combine.c (make_more_copies): Rewrite.
6821
68222018-10-28  Kugan Vivekanandarajah  <kuganv@linaro.org>
6823
6824	* doc/generic.texi (ABSU_EXPR): Document.
6825	* match.pd (absu(x)*absu(x) -> x*x): Handle.
6826	(absu(absu(X)) -> absu(X)): Likewise.
6827	(absu(-X) -> absu(X)): Likewise.
6828	(absu(X)  where X is nonnegative -> X): Likewise.
6829
68302018-10-28  Iain Buclaw  <ibuclaw@gdcproject.org>
6831
6832	* Makefile.in (tm_d_file_list, tm_d_include_list): New variables.
6833	(TM_D_H, D_TARGET_DEF, D_TARGET_H, D_TARGET_OBJS): New variables.
6834	(tm_d.h, cs-tm_d.h, default-d.o): New rules.
6835	(d/d-target-hooks-def.h, s-d-target-hooks-def-h): New rules.
6836	(s-tm-texi): Also check timestamp on d-target.def.
6837	(generated_files): Add TM_D_H and d-target-hooks-def.h.
6838	(build/genhooks.o): Also depend on D_TARGET_DEF.
6839	* config.gcc (tm_d_file, d_target_objs, target_has_targetdm): New
6840	variables.
6841	* config/aarch64/aarch64-d.c: New file.
6842	* config/aarch64/aarch64-linux.h (GNU_USER_TARGET_D_CRITSEC_SIZE):
6843	Define.
6844	* config/aarch64/aarch64-protos.h (aarch64_d_target_versions): New
6845	prototype.
6846	* config/aarch64/aarch64.h (TARGET_D_CPU_VERSIONS): Define.
6847	* config/aarch64/t-aarch64 (aarch64-d.o): New rule.
6848	* config/arm/arm-d.c: New file.
6849	* config/arm/arm-protos.h (arm_d_target_versions): New prototype.
6850	* config/arm/arm.h (TARGET_D_CPU_VERSIONS): Define.
6851	* config/arm/linux-eabi.h (EXTRA_TARGET_D_OS_VERSIONS): Define.
6852	* config/arm/t-arm (arm-d.o): New rule.
6853	* config/default-d.c: New file.
6854	* config/glibc-d.c: New file.
6855	* config/gnu.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6856	* config/i386/i386-d.c: New file.
6857	* config/i386/i386-protos.h (ix86_d_target_versions): New prototype.
6858	* config/i386/i386.h (TARGET_D_CPU_VERSIONS): Define.
6859	* config/i386/linux-common.h (EXTRA_TARGET_D_OS_VERSIONS): Define.
6860	(GNU_USER_TARGET_D_CRITSEC_SIZE): Define.
6861	* config/i386/t-i386 (i386-d.o): New rule.
6862	* config/kfreebsd-gnu.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6863	* config/kopensolaris-gnu.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6864	* config/linux-android.h (ANDROID_TARGET_D_OS_VERSIONS): Define.
6865	* config/linux.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6866	* config/mips/linux-common.h (EXTRA_TARGET_D_OS_VERSIONS): Define.
6867	* config/mips/mips-d.c: New file.
6868	* config/mips/mips-protos.h (mips_d_target_versions): New prototype.
6869	* config/mips/mips.h (TARGET_D_CPU_VERSIONS): Define.
6870	* config/mips/t-mips (mips-d.o): New rule.
6871	* config/powerpcspe/linux.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6872	* config/powerpcspe/linux64.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6873	* config/powerpcspe/powerpcspe-d.c: New file.
6874	* config/powerpcspe/powerpcspe-protos.h (rs6000_d_target_versions):
6875	New prototype.
6876	* config/powerpcspe/powerpcspe.c (rs6000_output_function_epilogue):
6877	Support GNU D by using 0 as the language type.
6878	* config/powerpcspe/powerpcspe.h (TARGET_D_CPU_VERSIONS): Define.
6879	* config/powerpcspe/t-powerpcspe (powerpcspe-d.o): New rule.
6880	* config/riscv/riscv-d.c: New file.
6881	* config/riscv/riscv-protos.h (riscv_d_target_versions): New
6882	prototype.
6883	* config/riscv/riscv.h (TARGET_D_CPU_VERSIONS): Define.
6884	* config/riscv/t-riscv (riscv-d.o): New rule.
6885	* config/rs6000/linux.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6886	* config/rs6000/linux64.h (GNU_USER_TARGET_D_OS_VERSIONS): Define.
6887	* config/rs6000/rs6000-d.c: New file.
6888	* config/rs6000/rs6000-protos.h (rs6000_d_target_versions): New
6889	prototype.
6890	* config/rs6000/rs6000.c (rs6000_output_function_epilogue):
6891	Support GNU D by using 0 as the language type.
6892	* config/rs6000/rs6000.h (TARGET_D_CPU_VERSIONS): Define.
6893	* config/rs6000/t-rs6000 (rs6000-d.o): New rule.
6894	* config/s390/s390-d.c: New file.
6895	* config/s390/s390-protos.h (s390_d_target_versions): New prototype.
6896	* config/s390/s390.h (TARGET_D_CPU_VERSIONS): Define.
6897	* config/s390/t-s390 (s390-d.o): New rule.
6898	* config/sparc/sparc-d.c: New file.
6899	* config/sparc/sparc-protos.h (sparc_d_target_versions): New
6900	prototype.
6901	* config/sparc/sparc.h (TARGET_D_CPU_VERSIONS): Define.
6902	* config/sparc/t-sparc (sparc-d.o): New rule.
6903	* config/t-glibc (glibc-d.o): New rule.
6904	* configure: Regenerated.
6905	* configure.ac (tm_d_file): New variable.
6906	(tm_d_file_list, tm_d_include_list, d_target_objs): Add substitutes.
6907	* doc/contrib.texi (Contributors): Add self for the D frontend.
6908	* doc/frontends.texi (G++ and GCC): Mention D as a supported language.
6909	* doc/install.texi (Configuration): Mention libphobos as an option for
6910	--enable-shared.  Mention d as an option for --enable-languages.
6911	(Testing): Mention check-d as a target.
6912	* doc/invoke.texi (Overall Options): Mention .d, .dd, and .di as file
6913	name suffixes.  Mention d as a -x option.
6914	* doc/sourcebuild.texi (Top Level): Mention libphobos.
6915	* doc/standards.texi (Standards): Add section on D language.
6916	* doc/tm.texi: Regenerated.
6917	* doc/tm.texi.in: Add @node for D language and ABI, and @hook for
6918	TARGET_CPU_VERSIONS, TARGET_D_OS_VERSIONS, and TARGET_D_CRITSEC_SIZE.
6919	* dwarf2out.c (is_dlang): New function.
6920	(gen_compile_unit_die): Use DW_LANG_D for D.
6921	(declare_in_namespace): Return module die for D, instead of adding
6922	extra declarations into the namespace.
6923	(gen_namespace_die): Generate DW_TAG_module for D.
6924	(gen_decl_die): Handle CONST_DECLSs for D.
6925	(dwarf2out_decl): Likewise.
6926	(prune_unused_types_walk_local_classes): Handle DW_tag_interface_type.
6927	(prune_unused_types_walk): Handle DW_tag_interface_type same as other
6928	kinds of aggregates.
6929	* gcc.c (default_compilers): Add entries for .d, .dd and .di.
6930	* genhooks.c: Include d/d-target.def.
6931
69322018-10-28  Iain Sandoe  <iain@sandoe.co.uk>
6933
6934	PR target/85669
6935	* config/rs6000/darwin.h (STACK_BOUNDARY): New.
6936	(RS6000_STARTING_FRAME_OFFSET): Adjust to preserve 16byte alignment.
6937	(STACK_DYNAMIC_OFFSET): Likewise.
6938
69392018-10-27  Sandra Loosemore  <sandra@codesourcery.com>
6940
6941	PR target/80024
6942	* config/nios2/nios2.c (nios2_valid_target_attribute_rec): Fix
6943	error message.
6944
69452018-10-26  Tulio Magno Quites Machado Filho  <tuliom@linux.ibm.com>
6946
6947	* doc/extend.texi (PowerPC builtins): Fix __builtin_unpack_ibm128
6948	return type and other typos.
6949
69502018-10-26  Aaron Sawdey  <acsawdey@linux.ibm.com>
6951
6952	* config/rs6000/rs6000-string.c (expand_strncmp_gpr_sequence): Change to
6953	a shorter sequence with fewer branches.
6954	(emit_final_str_compare_gpr): Ditto.
6955
69562018-10-26  Paul A. Clarke  <pc@us.ibm.com>
6957
6958	* config/rs6000/tmmintrin.h: New file.
6959	* config.gcc (powerpc*-*-*): Add tmmintrin.h to extra_headers.
6960
69612018-10-26  Paul A. Clarke  <pc@us.ibm.com>
6962
6963	* config/rs6000/mmintrin.h: Enable 32bit compilation.
6964	* config/rs6000/xmmintrin.h: Likewise.
6965
69662018-10-26  Paul A. Clarke  <pc@us.ibm.com>
6967
6968	* config/rs6000/xmmintrin.h (_mm_extract_pi16): Fix for big-endian.
6969
69702018-10-26  Richard Biener  <rguenther@suse.de>
6971
6972	* tree-vect-slp.c (vect_mark_slp_stmts): Add visited hash_set
6973	and wrapper.
6974	(vect_mark_slp_stmts_relevant): Likewise.
6975	(vect_detect_hybrid_slp_stmts): Likewise.
6976	(vect_bb_slp_scalar_cost): Likewise.
6977	(vect_remove_slp_scalar_calls): Likewise.
6978
69792018-10-26  Jan Hubicka  <jh@suse.cz>
6980
6981	* ipa-devirt.c (odr_subtypes_equivalent_p): Fix recursion.
6982	(warn_types_mismatch): Fix walk of DECL_NAME.
6983	(odr_types_equivalent_p): Fix overactive assert.
6984
69852018-10-26  Richard Biener  <rguenther@suse.de>
6986
6987	PR tree-optimization/87105
6988	* tree-vectorizer.h (_slp_tree::refcnt): New member.
6989	* tree-vect-slp.c (vect_free_slp_tree): Decrement and honor
6990	refcnt.
6991	(vect_create_new_slp_node): Initialize refcnt to one.
6992	(bst_traits): Move.
6993	(scalar_stmts_set_t, bst_fail): Remove.
6994	(vect_build_slp_tree_2): Add bst_map argument and adjust calls.
6995	(vect_build_slp_tree): Add bst_map argument and lookup
6996	already created SLP nodes.
6997	(vect_print_slp_tree): Handle a SLP graph, print SLP node
6998	addresses.
6999	(vect_slp_rearrange_stmts): Handle a SLP graph.
7000	(vect_analyze_slp_instance): Adjust and free SLP nodes from
7001	the CSE map.  Fix indenting.
7002	(vect_schedule_slp_instance): Add short-cut.
7003
70042018-10-26  Martin Liska  <mliska@suse.cz>
7005
7006	PR testsuite/86158
7007	* ipa-prop.c (struct ipa_vr_ggc_hash_traits): Hash with
7008	addr_expr and not with pointers.
7009
70102018-10-26  Jan Hubicka  <jh@suse.cz>
7011
7012	* tree.c (free_lang_data_in_type): Only check main variants.
7013	* ipa-devirt.c (warn_odr): Make static.
7014	(types_same_for_odr): Drop strict variant.
7015	(types_odr_comparable): Likewise.
7016	(odr_or_derived_type_p): Look for main variants.
7017	(odr_name_hasher::equal): Cleanup comment.
7018	(odr_subtypes_equivalent): Add warn and warned arguments; check main
7019	variants.
7020	(type_variants_equivalent_p): break out from ...
7021	(odr_types_equivalent): ... here; go for main variants where needed.
7022	(warn_odr): ... here; turn static.
7023	(warn_types_mismatch): Compare mangled names of main variants.
7024	* ipa-utils.h (types_odr_comparable): Drop strict parameter.
7025	(type_with_linkage_p): Sanity check that we look at main variant.
7026	* lto.c (lto_read_decls): Only consider main variant to be ODR type.
7027	* tree.h (types_same_for_odr): Drop strict argument.
7028
70292018-10-26  Richard Biener  <rguenther@suse.de>
7030
7031	PR tree-optimization/87746
7032	* tree-vect-data-refs.c (vect_update_misalignment_for_peel):
7033	Simplify and fix WRT strided store groups with size not
7034	equal to step in element count.
7035	(vect_analyze_group_access_1): Dump the whole group.
7036
70372018-10-25  Carl Love  <cel@us.ibm.com>
7038
7039	* config/rs6000/rs6000-c.c (P9V_BUILTIN_VEC_VSCEDPGT,
7040	P9V_BUILTIN_VEC_VSCEDPLT, P9V_BUILTIN_VEC_VSCEDPEQ,
7041	P9V_BUILTIN_VEC_VSCEDPUO): Rename base overloaded name.  Add quad
7042	precicion entry for each overloaded builtin.
7043	* config/rs6000/rs6000-builtin.def (VSCEDPGT, VSCEDPLT, VSCEDPEQ,
7044	VSCEDPUO): Rename overloaded name.
7045	(VSCEDPGT, VSCEQPGT, VSCEDPLT, VSCEQPLT, VSCEDPEQ, VSCEQPEQ,
7046	VSCEDPUO, VSCEQPUO): Add defitions for overloaded builtins.
7047	* config/rs6000/vsx.md (xscmpexpqp_<code>_<mode>): Add
7048	define_expand for xscmpexqp instruction.
7049	(*xscmpexpqp): Add define_insn for the xscmpexqp instruction.
7050
70512018-10-25  Bill Schmidt  <wschmidt@linux.ibm.com>
7052	    Jinsong Ji  <jji@us.ibm.com>
7053
7054	* config/rs6000/emmintrin.h (_mm_slli_epi16): Replace deprecated
7055	function with vec_sl.
7056	(_mm_slli_epi32): Likewise.
7057	(_mm_slli_epi64): Likewise.
7058	(_mm_srai_epi16): Replace deprecated function with vec_sra.
7059	(_mm_srai_epi32): Likewise.
7060	(_mm_srli_epi16): Replace deprecated function with vec_sr.
7061	(_mm_srli_epi32): Likewise.
7062	(_mm_srli_epi64): Likewise.
7063	(_mm_sll_epi16): Replace deprecated function with vec_sl.
7064	(_mm_sll_epi32): Likewise.
7065	(_mm_sll_epi64): Likewise.
7066	(_mm_sra_epi16): Replace deprecated function with vec_sra.
7067	(_mm_sra_epi32): Likewise.
7068	(_mm_srl_epi16): Replace deprecated function with vec_sr.
7069	(_mm_srl_epi32): Likewise.
7070	(_mm_srl_epi64): Likewise.
7071
70722018-10-25  Bill Schmidt  <wschmidt@linux.ibm.com>
7073	    Jinsong Ji  <jji@us.ibm.com>
7074
7075	* gcc/config/rs6000/emmintrin.h (_mm_sll_epi16): Replace
7076	comparison operators with vec_cmp* for compatibility due to
7077	unfortunate history; clean up formatting and use types more
7078	appropriately.
7079	(_mm_sll_epi32): Likewise.
7080	(_mm_sll_epi64): Likewise.
7081	(_mm_srl_epi16): Likewise.
7082	(_mm_srl_epi32): Likewise.
7083	(_mm_srl_epi64): Likewise.
7084
70852018-10-25  Bill Schmidt  <wschmidt@linux.ibm.com>
7086	    Jinsong Ji  <jji@us.ibm.com>
7087
7088	* config/rs6000/emmintrin.h (_mm_sll_epi64): Remove wrong cast.
7089	* config/rs6000/xmmintrin.h (_mm_min_ps): Change m's type to
7090	__vector __bool int.  Use vec_cmpgt in preference to deprecated
7091	function vec_vcmpgtfp.
7092	(_mm_max_ps): Likewise.
7093
70942018-10-25  Jeff Law  <law@redhat.com>
7095
7096	* config/rl78/rl78.c (insn_ok_now): Always re-recognize the insn
7097	if returning false.
7098
70992018-10-25  Martin Sebor  <msebor@redhat.com>
7100
7101	* doc/extend.texi (aligned): Expand attribute description.
7102	(Alignment): Rename section.  Discuss function arguments.
7103
71042018-10-25  Jan Hubicka  <jh@suse.cz>
7105
7106	* ipa-devirt.c (main_odr_variant): Remove.
7107	(hash_odr_name, types_same_for_odr, types_odr_comparable,
7108	odr_name_hasher::equal, odr_subtypes_equivalent_p):
7109	Drop use of main_odr_variant.
7110	(add_type_duplicate): Silence confused warnings on integer types.
7111	(get_odr_type): Always look for main variant.
7112	(register_odr_type): Simplify.
7113
71142018-10-25  Richard Biener  <rguenther@suse.de>
7115
7116	* tree-vect-data-refs.c (vect_analyze_data_ref_accesses):
7117	Initialize ng to silence error with release checking bootstrap.
7118
71192018-10-25  Richard Biener  <rguenther@suse.de>
7120
7121	* tree-if-conv.c: Include tree-ssa-sccvn.h.
7122	(tree_if_conversion): Run CSE on the if-converted loop body.
7123
71242018-10-25  Ilya Leoshkevich  <iii@linux.ibm.com>
7125
7126	* config/s390/constraints.md (ZL): New constraint.
7127	* config/s390/s390.c (legitimate_pic_operand_p): Accept LARL
7128	operands.
7129	* config/s390/s390.md (movdi_larl): Remove.
7130	(movdi_64): Add the LARL alternative.
7131
71322018-10-25  Ilya Leoshkevich  <iii@linux.ibm.com>
7133
7134	PR bootstrap/87747
7135	* rtl.c (RTX_CODE_HWINT_P_1): New helper macro.
7136	(RTX_CODE_HWINT_P): New macro.
7137	(rtx_code_size): Use RTX_CODE_HWINT_P ().
7138
71392018-10-25  Jan Hubicka  <jh@suse.cz>
7140
7141	* ipa-devirt.c (odr_types_equivalent_p): Do not ICE if one of types
7142	is anonymous.
7143
71442018-10-25  Richard Biener  <rguenther@suse.de>
7145
7146	PR tree-optimization/87665
7147	PR tree-optimization/87745
7148	* tree-vectorizer.h (get_earlier_stmt): Remove.
7149	(get_later_stmt): Pick up UID from the original non-pattern stmt.
7150
71512018-10-25  Sam Tebbs  <sam.tebbs@arm.com>
7152
7153	* options.texi (Deprecated): Move list to Var section.
7154
71552018-10-24  Bill Schmidt  <wschmidt@linux.ibm.com>
7156	    Jinsong Ji  <jji@us.ibm.com>
7157
7158	* config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Change deprecated
7159	__vector long to __vector long long.
7160	(_mm_cvtpd_ps): Likewise.
7161	(_mm_cvttpd_epi32): Likewise.
7162	(_mm_cvtpi32_pd): Likewise.
7163	(_mm_unpackhi_epi64): Likewise.
7164	(_mm_unpacklo_epi64): Likewise.
7165
71662018-10-24  Segher Boessenkool  <segher@kernel.crashing.org>
7167
7168	PR rtl-optimization/87720
7169	* combine.c (make_more_copies): Skip if the dest is pc_rtx.
7170
71712018-10-24  Alexandre Oliva  <aoliva@redhat.com>
7172
7173	* gimple-ssa-isolate-paths.c
7174	(find_implicit_erroneous_behavior): Do not change code if the
7175	pass is running for warnings only.
7176	(find_explicit_erroneous_behavior): Likewise.
7177
71782018-10-24  Michael Meissner  <meissner@linux.ibm.com>
7179
7180	* config/rs6000/rs6000.c (TARGET_MANGLE_DECL_ASSEMBLER_NAME):
7181	Define as rs6000_mangle_decl_assembler_name.
7182	(rs6000_mangle_decl_assembler_name): If the user switched from IBM
7183	long double to IEEE long double, switch the names of the long
7184	double built-in functions to be <func>f128 instead of <func>l.
7185
71862018-10-24  Martin Sebor  <msebor@redhat.com>
7187
7188	* doc/extend.texi (nonnull): List no-argument form.  Reference
7189	-fno-delete-null-pointer-checks and -fisolate-erroneous-paths-attribute.
7190
71912018-10-24  Richard Biener  <rguenther@suse.de>
7192
7193	* tree-ssa-sccvn.c (do_rpo_vn): Free rpo_state.
7194
71952018-10-24  Martin Liska  <mliska@suse.cz>
7196
7197	PR tree-optimization/84436
7198	* tree-switch-conversion.c (switch_conversion::contains_same_values_p):
7199	Remove.
7200	(switch_conversion::contains_linear_function_p): New.
7201	(switch_conversion::build_one_array): Support linear
7202	transformation on input.
7203	* tree-switch-conversion.h (struct switch_conversion): Add
7204	contains_linear_function_p declaration.
7205
72062018-10-24  Richard Biener  <rguenther@suse.de>
7207
7208	* varasm.c (const_hash_1): Return hash of ADDR_EXPR
7209	if its argument is CONSTANT_CLASS_P.
7210
72112018-10-11  Jan Hubicka  <hubicka@ucw.cz>
7212
7213	* ipa-utils.h (type_with_linkage_p): No longer check for TYPE_STUB_DECL;
7214	it is wrong for forward declarations.
7215
72162018-10-24  Ilya Leoshkevich  <iii@linux.ibm.com>
7217
7218	* config/s390/s390.c (s390_check_qrst_address): Add the missing
7219	SYMBOL_REF_P () check.
7220
72212018-10-24  Richard Biener  <rguenther@suse.de>
7222
7223	PR tree-optimization/87105
7224	* tree-vect-data-refs.c (vect_analyze_group_access_1): Adjust
7225	dump classification.
7226	(vect_analyze_data_ref_accesses): Handle duplicate loads and
7227	stores by splitting the affected group after the fact.
7228	* tree-vect-slp.c (vect_build_slp_tree_2): Dump when we
7229	fail the SLP build because of size constraints.
7230
72312018-10-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7232
7233	* configure.ac (gcc_cv_ld_aligned_shf_merge): New test.
7234	* configure: Regenerate.
7235	* config.in: Regenerate.
7236	* varasm.c (mergeable_string_section): Use readonly_data_section
7237	if linker doesn't support SHF_MERGE with alignment > 8.
7238	(mergeable_constant_section): Likewise.
7239
72402018-10-24  Richard Biener  <rguenther@suse.de>
7241
7242	PR tree-optimization/84013
7243	* tree-ssa-structalias.c (struct msdi_data): New struct for
7244	marshalling data to walk_stmt_load_store_ops.
7245	(maybe_set_dependence_info): Refactor as callback for
7246	walk_stmt_load_store_ops.
7247	(compute_dependence_clique): Set restrict info on all stmt kinds.
7248
72492018-10-24  Martin Liska  <mliska@suse.cz>
7250
7251	* cgraph.c (cgraph_node::dump):
7252	Remove reduntant dumps and make tp_first_run dump more compact.
7253
72542018-10-24  Richard Biener  <rguenther@suse.de>
7255
7256	PR tree-optimization/87665
7257	* tree-vect-data-refs.c (vect_preserves_scalar_order_p): Adjust
7258	to reflect reality.
7259
72602018-10-12  Jeff Law  <law@redhat.com>
7261
7262	* config/h8300/h8300.c (h8300_expand_prologue): Fix stm generation
7263	for H8/S.
7264
72652018-10-23  Richard Biener  <rguenther@suse.de>
7266
7267	* tree-vrp.c (add_assert_info): Guard dump_printf with
7268	dump_enabled_p.
7269	* gimple-ssa-evrp-analyze.c
7270	(evrp_range_analyzer::record_ranges_from_incoming_edge):
7271	Use value_range::ignore_equivs_equal_p.
7272
72732018-10-23  Richard Biener  <rguenther@suse.de>
7274
7275	PR tree-optimization/87105
7276	PR tree-optimization/87608
7277	* passes.def (pass_all_early_optimizations): Add early phi-opt
7278	after dce.
7279	* tree-ssa-phiopt.c (value_replacement): Ignore NOPs and predicts in
7280	addition to debug stmts.
7281	(tree_ssa_phiopt_worker): Add early_p argument, do only min/max
7282	and abs replacement early.
7283	* tree-cfg.c (gimple_empty_block_p): Likewise.
7284
72852018-10-23  Richard Earnshaw  <rearnsha@arm.com>
7286
7287	PR target/86383
7288	* config.gcc (arm*-*-netbsdelf*): Default to StrongARM if no CPU
7289	specified to configure.
7290	(arm*-*-*): Use ARM7TDMI as the target CPU if no default provided.
7291
72922018-10-23  Richard Biener  <rguenther@suse.de>
7293
7294	PR tree-optimization/87700
7295	* tree-ssa-copy.c (set_copy_of_val): Fix change detection logic.
7296
72972018-10-23  Jakub Jelinek  <jakub@redhat.com>
7298
7299	PR target/87674
7300	* config/i386/avx512vlintrin.h (_mm_mask_mullo_epi32): Change type of
7301	second argument from __mmask16 to __mmask8.
7302	* config/i386/avx512vlbwintrin.h (_mm_mask_packus_epi32,
7303	_mm_mask_packs_epi32): Likewise.
7304	* config/i386/avx512pfintrin.h (_mm512_mask_prefetch_i64scatter_ps):
7305	Likewise.
7306	(_mm512_mask_prefetch_i64scatter_pd): Likewise.  Formatting fix.
7307
73082018-10-23  Richard Biener  <rguenther@suse.de>
7309
7310	* tree-vect-stmts.c (vect_analyze_stmt): Fix typo in comment.
7311
73122018-10-23  Richard Biener  <rguenther@suse.de>
7313
7314	PR tree-optimization/86144
7315	* tree-vect-stmts.c (vect_analyze_stmt): Prefer -mveclibabi
7316	over simd attribute.
7317
73182018-10-23  Richard Biener  <rguenther@suse.de>
7319
7320	PR tree-optimization/87693
7321	* tree-ssa-threadedge.c (thread_around_empty_blocks): Handle
7322	the case we do not find the taken edge.
7323
73242018-10-22  Bill Schmidt  <wschmidt@linux.ibm.com>
7325	    Jinsong Ji  <jji@us.ibm.com>
7326
7327	* config/rs6000/emmintrin.h (_MM_SHUFFLE2): Comment cleanup.
7328	(_mm_store_pd): Use unaligned vector type for pointer cast.
7329	(_mm_maskmoveu_si128): Likewise.
7330	* config/rs6000/xmmintrin.h (__m128_u): New typedef.
7331	(_mm_store_ps): Use unaligned vector type for pointer cast.
7332
73332018-10-22  Paul Koning  <ni1d@arrl.net>
7334
7335	* symtab.c (symtab_node::increase_alignment): Correct max
7336	alignment check.
7337
73382018-10-22  Yury Gribov  <tetra2005@gmail.com>
7339
7340	PR tree-optimization/87633
7341	* match.pd: Do not generate unordered integer comparisons.
7342
73432018-10-22  Segher Boessenkool  <segher@kernel.crashing.org>
7344
7345	PR rtl-optimization/87600
7346	* combine.c: Add include of expr.h.
7347	(cant_combine_insn_p): Do not combine moves from any hard non-fixed
7348	register to a pseudo.
7349	(make_more_copies): New function, add a copy to a new pseudo after
7350	the moves from hard registers into pseudos.
7351	(rest_of_handle_combine): Declare rebuild_jump_labels_after_combine
7352	later.  Call make_more_copies.
7353
73542018-10-22  Andrew Stubbs  <ams@codesourcery.com>
7355
7356	* lra-constraints.c (process_alt_operands): New local array,
7357	matching_early_clobber.  Check matching_early_clobber before
7358	decrementing reject, and set matching_early_clobber after.
7359
73602018-10-22  Segher Boessenkool  <segher@kernel.crashing.org>
7361
7362	PR target/87598
7363	* config/rs6000/rs6000.c (print_operand_address): For unexpected RTL
7364	call output_addr_const and hope for the best.
7365
73662018-10-22  Richard Biener  <rguenther@suse.de>
7367
7368	* gimple-ssa-evrp-analyze.c
7369	(evrp_range_analyzer::record_ranges_from_incoming_edge): Be
7370	smarter about what ranges to use.
7371	* tree-vrp.c (add_assert_info): Dump here.
7372	(register_edge_assert_for_2): Instead of here at multiple but
7373	not all places.
7374
7375	* gcc.dg/tree-ssa/evrp12.c: New testcase.
7376	* gcc.dg/predict-6.c: Adjust.
7377	* gcc.dg/tree-ssa/vrp33.c: Disable EVRP.
7378	* gcc.dg/tree-ssa/vrp02.c: Likewise.
7379	* gcc.dg/tree-ssa/cunroll-9.c: Likewise.
7380
73812018-10-22  Steven Bosscher  <steven@gcc.gnu.org>
7382	Richard Biener  <rguenther@suse.de>
7383
7384	* bitmap.h: Update data structure documentation, including a
7385	description of bitmap views as either linked-lists or splay trees.
7386	(struct bitmap_element_def): Update comments for splay tree bitmaps.
7387	(struct bitmap_head_def): Likewise.
7388	(bitmap_list_view, bitmap_tree_view): New prototypes.
7389	(bitmap_initialize_stat): Initialize a bitmap_head's indx and
7390	tree_form fields.
7391	(bmp_iter_set_init): Assert the iterated bitmaps are in list form.
7392	(bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
7393	* bitmap.c (bitmap_elem_to_freelist): Unregister overhead of a
7394	released bitmap element here.
7395	(bitmap_element_free): Remove.
7396	(bitmap_elt_clear_from): Work on splay tree bitmaps.
7397	(bitmap_list_link_element): Renamed from bitmap_element_link.  Move
7398	this function similar ones such that linked-list bitmap implementation
7399	functions are grouped.
7400	(bitmap_list_unlink_element): Renamed from bitmap_element_unlink,
7401	and moved for grouping.
7402	(bitmap_list_insert_element_after): Renamed from
7403	bitmap_elt_insert_after, and moved for grouping.
7404	(bitmap_list_find_element): New function spliced from bitmap_find_bit.
7405	(bitmap_tree_link_left, bitmap_tree_link_right,
7406	bitmap_tree_rotate_left, bitmap_tree_rotate_right, bitmap_tree_splay,
7407	bitmap_tree_link_element, bitmap_tree_unlink_element,
7408	bitmap_tree_find_element): New functions for splay-tree bitmap
7409	implementation.
7410	(bitmap_element_link, bitmap_element_unlink, bitmap_elt_insert_after):
7411	Renamed and moved, see above entries.
7412	(bitmap_tree_listify_from): New function to convert part of a splay
7413	tree bitmap to a linked-list bitmap.
7414	(bitmap_list_view): Convert a splay tree bitmap to linked-list form.
7415	(bitmap_tree_view): Convert a linked-list bitmap to splay tree form.
7416	(bitmap_find_bit): Remove.
7417	(bitmap_clear, bitmap_clear_bit, bitmap_set_bit,
7418	bitmap_single_bit_set_p, bitmap_first_set_bit, bitmap_last_set_bit):
7419	Handle splay tree bitmaps.
7420	(bitmap_copy, bitmap_count_bits, bitmap_and, bitmap_and_into,
7421	bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
7422	bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior, bitmap_ior_into,
7423	bitmap_xor, bitmap_xor_into, bitmap_equal_p, bitmap_intersect_p,
7424	bitmap_intersect_compl_p, bitmap_ior_and_compl,
7425	bitmap_ior_and_compl_into, bitmap_set_range, bitmap_clear_range,
7426	bitmap_hash): Reject trying to act on splay tree bitmaps.  Make
7427	corresponding changes to use linked-list specific bitmap_element
7428	manipulation functions as applicable for efficiency.
7429	(bitmap_tree_to_vec): New function.
7430	(debug_bitmap_elt_file): New function split out from ...
7431	(debug_bitmap_file): ... here.  Handle splay tree bitmaps.
7432	(bitmap_print): Likewise.
7433
7434	PR tree-optimization/63155
7435	* tree-ssa-propagate.c (ssa_prop_init): Use tree-view for the
7436	SSA edge worklists.
7437	* tree-ssa-coalesce.c (coalesce_ssa_name): Populate used_in_copies
7438	in tree-view.
7439
74402018-10-22  Martin Liska  <mliska@suse.cz>
7441
7442	PR tree-optimization/87686
7443	Revert
7444	2018-08-29  Martin Liska  <mliska@suse.cz>
7445
7446	* tree-switch-conversion.c (switch_conversion::expand):
7447	Strenghten assumption about gswitch statements.
7448
74492018-10-22  Martin Liska  <mliska@suse.cz>
7450
7451	* ipa-icf.c (sem_item::compare_attributes): Remove.
7452	(sem_item::compare_referenced_symbol_properties): Use
7453	attribute_list_equal instead.
7454	(sem_function::equals_wpa): Likewise.
7455	* ipa-icf.h: Remove compare_attributes.
7456
74572018-10-22  Richard Biener  <rguenther@suse.de>
7458
7459	PR middle-end/87682
7460	* mem-stats.h (mem_usage::operator==): Fix pasto.
7461
74622018-10-22  Richard Biener  <rguenther@suse.de>
7463
7464	PR tree-optimization/87640
7465	* tree-vrp.c (set_value_range_with_overflow): Decompose
7466	incomplete result.
7467	(extract_range_from_binary_expr_1): Adjust.
7468
74692018-10-22  Martin Jambor  <mjambor@suse.cz>
7470
7471	* tree-eh.h (stmt_could_throw_p): Add function parameter.
7472	(stmt_can_throw_external): Likewise.
7473	(stmt_can_throw_internal): Likewise.
7474	* tree-eh.c (lower_eh_constructs_2): Pass cfun to stmt_could_throw_p.
7475	(lower_eh_constructs_2): Likewise.
7476	(stmt_could_throw_p): Add fun parameter, use it instead of cfun.
7477	(stmt_can_throw_external): Likewise.
7478	(stmt_can_throw_internal): Likewise.
7479	(maybe_clean_eh_stmt_fn): Pass cfun to stmt_could_throw_p.
7480	(maybe_clean_or_replace_eh_stmt): Pass cfun to stmt_could_throw_p.
7481	(maybe_duplicate_eh_stmt_fn): Pass new_fun to stmt_could_throw_p.
7482	(maybe_duplicate_eh_stmt): Pass cfun to stmt_could_throw_p.
7483	(pass_lower_eh_dispatch::execute): Pass cfun to
7484	stmt_can_throw_external.
7485	(cleanup_empty_eh): Likewise.
7486	(verify_eh_edges): Pass cfun to stmt_could_throw_p.
7487	* cgraph.c (cgraph_edge::set_call_stmt): Pass a function to
7488	stmt_can_throw_external instead of pushing it to cfun.
7489	(symbol_table::create_edge): Likewise.
7490	* gimple-fold.c (fold_builtin_atomic_compare_exchange): Pass cfun to
7491	stmt_can_throw_internal.
7492	* gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Pass cfun
7493	to stmt_could_throw_p.
7494	* gimple-ssa-store-merging.c (handled_load): Pass cfun to
7495	stmt_can_throw_internal.
7496	(pass_store_merging::execute): Likewise.
7497	* gimple-ssa-strength-reduction.c
7498	(find_candidates_dom_walker::before_dom_children): Pass cfun to
7499	stmt_could_throw_p.
7500	* gimplify-me.c (gimple_regimplify_operands): Pass cfun to
7501	stmt_can_throw_internal.
7502	* ipa-pure-const.c (check_call): Pass cfun to stmt_could_throw_p and
7503	to stmt_can_throw_external.
7504	(check_stmt): Pass cfun to stmt_could_throw_p.
7505	(check_stmt): Pass cfun to stmt_can_throw_external.
7506	(pass_nothrow::execute): Likewise.
7507	* trans-mem.c (expand_call_tm): Pass cfun to stmt_can_throw_internal.
7508	* tree-cfg.c (is_ctrl_altering_stmt): Pass cfun to
7509	stmt_can_throw_internal.
7510	(verify_gimple_in_cfg): Pass cfun to stmt_could_throw_p.
7511	(stmt_can_terminate_bb_p): Pass cfun to stmt_can_throw_external.
7512	(gimple_purge_dead_eh_edges): Pass cfun to stmt_can_throw_internal.
7513	* tree-complex.c (expand_complex_libcall): Pass cfun to
7514	stmt_could_throw_p and to stmt_can_throw_internal.
7515	(expand_complex_multiplication): Pass cfun to stmt_can_throw_internal.
7516	* tree-inline.c (copy_edges_for_bb): Likewise.
7517	(maybe_move_debug_stmts_to_successors): Likewise.
7518	* tree-outof-ssa.c (ssa_is_replaceable_p): Pass cfun to
7519	stmt_could_throw_p.
7520	* tree-parloops.c (oacc_entry_exit_ok_1): Likewise.
7521	* tree-sra.c (scan_function): Pass cfun to stmt_can_throw_external.
7522	* tree-ssa-alias.c (stmt_kills_ref_p): Pass cfun to
7523	stmt_can_throw_internal.
7524	* tree-ssa-ccp.c (optimize_atomic_bit_test_and): Likewise.
7525	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Pass cfun to
7526	stmt_could_throw_p.
7527	(mark_aliased_reaching_defs_necessary_1): Pass cfun to
7528	stmt_can_throw_internal.
7529	* tree-ssa-forwprop.c (pass_forwprop::execute): Likewise.
7530	* tree-ssa-loop-im.c (movement_possibility): Pass cfun to
7531	stmt_could_throw_p.
7532	* tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Likewise.
7533	(add_autoinc_candidates): Pass cfun to stmt_can_throw_internal.
7534	* tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
7535	(convert_mult_to_fma_1): Likewise.
7536	(convert_to_divmod): Likewise.
7537	* tree-ssa-phiprop.c (propagate_with_phi): Likewise.
7538	* tree-ssa-pre.c (compute_avail): Pass cfun to stmt_could_throw_p.
7539	* tree-ssa-propagate.c
7540	(substitute_and_fold_dom_walker::before_dom_children): Likewise.
7541	* tree-ssa-reassoc.c (suitable_cond_bb): Likewise.
7542	(maybe_optimize_range_tests): Likewise.
7543	(linearize_expr_tree): Likewise.
7544	(reassociate_bb): Likewise.
7545	* tree-ssa-sccvn.c (copy_reference_ops_from_call): Likewise.
7546	* tree-ssa-scopedtables.c (hashable_expr_equal_p): Likewise.
7547	* tree-ssa-strlen.c (adjust_last_stmt): Likewise.
7548	(handle_char_store): Likewise.
7549	* tree-vect-data-refs.c (vect_find_stmt_data_reference): Pass cfun to
7550	stmt_can_throw_internal.
7551	* tree-vect-patterns.c (check_bool_pattern): Pass cfun to
7552	stmt_could_throw_p.
7553	* tree-vect-stmts.c (vect_finish_stmt_generation_1): Likewise.
7554	(vectorizable_call): Pass cfun to stmt_can_throw_internal.
7555	(vectorizable_simd_clone_call): Likewise.
7556	* value-prof.c (gimple_ic): Pass cfun to stmt_could_throw_p.
7557	(gimple_stringop_fixed_value): Likewise.
7558
75592018-10-22  Ilya Leoshkevich  <iii@linux.ibm.com>
7560
7561	* config/s390/s390.c (s390_loadrelative_operand_p): Accept
7562	literal pool references.
7563	(s390_check_qrst_address): Adapt to the new behavior of
7564	s390_loadrelative_operand_p ().
7565
75662018-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7567
7568	PR target/72782
7569	* config/i386/sse.md (*andnot<mode>3_bcst): New.
7570
75712018-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7572
7573	PR target/72782
7574	* config/i386/sse.md (*<code><mode>3_bcst): New.
7575
75762018-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7577
7578	PR target/72782
7579	* config/i386/sse.md (avx512bcst): Updated for V4SI, V2DI, V8SI,
7580	V4DI, V16SI and V8DI.
7581	(*sub<mode>3<mask_name>_bcst): New.
7582	(*add<mode>3<mask_name>_bcst): Likewise.
7583
75842018-10-21  Bill Schmidt  <wschmidt@linux.ibm.com>
7585	    Jinsong Ji  <jji@us.ibm.com>
7586
7587	* config/rs6000/emmintrin.h (_mm_movemask_pd): Replace __vector
7588	__m64 with __vector unsigned long long for compatibility.
7589	(_mm_movemask_epi8): Likewise.
7590	* config/rs6000/xmmintrin.h (_mm_cvtps_pi32): Likewise.
7591	(_mm_cvttps_pi32): Likewise.
7592	(_mm_cvtpi32_ps): Likewise.
7593	(_mm_cvtps_pi16): Likewise.
7594	(_mm_loadh_pi): Likewise.
7595	(_mm_storeh_pi): Likewise.
7596	(_mm_movehl_ps): Likewise.
7597	(_mm_movelh_ps): Likewise.
7598	(_mm_loadl_pi): Likewise.
7599	(_mm_storel_pi): Likewise.
7600	(_mm_movemask_ps): Likewise.
7601	(_mm_shuffle_pi16): Likewise.
7602
76032018-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7604
7605	PR target/72782
7606	* config/i386/avx512fintrin.h (_mm512_fnmsub_round_pd): Use
7607	__builtin_ia32_vfnmsubpd512_mask.
7608	(_mm512_mask_fnmsub_round_pd): Likewise.
7609	(_mm512_fnmsub_pd): Likewise.
7610	(_mm512_mask_fnmsub_pd): Likewise.
7611	(_mm512_maskz_fnmsub_round_pd): Use
7612	__builtin_ia32_vfnmsubpd512_maskz.
7613	(_mm512_maskz_fnmsub_pd): Likewise.
7614	(_mm512_fnmsub_round_ps): Use __builtin_ia32_vfnmsubps512_mask.
7615	(_mm512_mask_fnmsub_round_ps): Likewise.
7616	(_mm512_fnmsub_ps): Likewise.
7617	(_mm512_mask_fnmsub_ps): Likewise.
7618	(_mm512_maskz_fnmsub_round_ps): Use
7619	__builtin_ia32_vfnmsubps512_maskz.
7620	(_mm512_maskz_fnmsub_ps): Likewise.
7621	* config/i386/avx512vlintrin.h (_mm256_mask_fnmsub_pd): Use
7622	__builtin_ia32_vfnmsubpd256_mask.
7623	(_mm256_maskz_fnmsub_pd): Use __builtin_ia32_vfnmsubpd256_maskz.
7624	(_mm_mask_fnmsub_pd): Use __builtin_ia32_vfmaddpd128_mask
7625	(_mm_maskz_fnmsub_pd): Use __builtin_ia32_vfnmsubpd128_maskz.
7626	(_mm256_mask_fnmsub_ps): Use __builtin_ia32_vfnmsubps256_mask.
7627	(_mm256_mask_fnmsub_ps): Use __builtin_ia32_vfnmsubps256_mask.
7628	(_mm256_maskz_fnmsub_ps): Use __builtin_ia32_vfnmsubps256_maskz.
7629	(_mm_mask_fnmsub_ps): Use __builtin_ia32_vfnmsubps128_mask.
7630	(_mm_maskz_fnmsub_ps): Use __builtin_ia32_vfnmsubps128_maskz.
7631	* config/i386/fmaintrin.h (_mm_fnmsub_pd): Use
7632	__builtin_ia32_vfnmsubpd.
7633	(_mm256_fnmsub_pd): Use __builtin_ia32_vfnmsubpd256.
7634	(_mm_fnmsub_ps): Use __builtin_ia32_vfnmsubps.
7635	(_mm256_fnmsub_ps): Use __builtin_ia32_vfnmsubps256.
7636	(_mm_fnmsub_sd): Use __builtin_ia32_vfnmsubsd3.
7637	(_mm_fnmsub_ss): Use __builtin_ia32_vfnmsubss3.
7638	* config/i386/i386-builtin.def: Add
7639	__builtin_ia32_vfnmsubpd256_mask,
7640	__builtin_ia32_vfnmsubpd256_maskz,
7641	__builtin_ia32_vfnmsubpd128_mask,
7642	__builtin_ia32_vfnmsubpd128_maskz,
7643	__builtin_ia32_vfnmsubps256_mask,
7644	__builtin_ia32_vfnmsubps256_maskz,
7645	__builtin_ia32_vfnmsubps128_mask,
7646	__builtin_ia32_vfnmsubps128_maskz,
7647	__builtin_ia32_vfnmsubpd512_mask,
7648	__builtin_ia32_vfnmsubpd512_maskz,
7649	__builtin_ia32_vfnmsubps512_mask,
7650	__builtin_ia32_vfnmsubps512_maskz, __builtin_ia32_vfnmsubss3,
7651	__builtin_ia32_vfnmsubsd3, __builtin_ia32_vfnmsubps,
7652	__builtin_ia32_vfnmsubpd, __builtin_ia32_vfnmsubps256 and.
7653	__builtin_ia32_vfnmsubpd256.
7654	* config/i386/sse.md (fma4i_fnmsub_<mode>): New.
7655	(<avx512>_fnmsub_<mode>_maskz<round_expand_name>): Likewise.
7656	(*<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_1):
7657	Likewise.
7658	(*<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_2):
7659	Likewise.
7660	(*<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_3):
7661	Likewise.
7662	(fmai_vmfnmsub_<mode><round_name>): Likewise.
7663
76642018-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7665
7666	PR target/72782
7667	* config/i386/avx512fintrin.h (_mm512_fnmadd_round_pd): Use
7668	__builtin_ia32_vfnmaddpd512_mask.
7669	(_mm512_mask_fnmadd_round_pd): Likewise.
7670	(_mm512_fnmadd_pd): Likewise.
7671	(_mm512_mask_fnmadd_pd): Likewise.
7672	(_mm512_maskz_fnmadd_round_pd): Use
7673	__builtin_ia32_vfnmaddpd512_maskz.
7674	(_mm512_maskz_fnmadd_pd): Likewise.
7675	(_mm512_fnmadd_round_ps): Use __builtin_ia32_vfnmaddps512_mask.
7676	(_mm512_mask_fnmadd_round_ps): Likewise.
7677	(_mm512_fnmadd_ps): Likewise.
7678	(_mm512_mask_fnmadd_ps): Likewise.
7679	(_mm512_maskz_fnmadd_round_ps): Use
7680	__builtin_ia32_vfnmaddps512_maskz.
7681	(_mm512_maskz_fnmadd_ps): Likewise.
7682	* config/i386/avx512vlintrin.h (_mm256_mask_fnmadd_pd): Use
7683	__builtin_ia32_vfnmaddpd256_mask.
7684	(_mm256_maskz_fnmadd_pd): Use __builtin_ia32_vfnmaddpd256_maskz.
7685	(_mm_mask_fnmadd_pd): Use __builtin_ia32_vfmaddpd128_mask
7686	(_mm_maskz_fnmadd_pd): Use __builtin_ia32_vfnmaddpd128_maskz.
7687	(_mm256_mask_fnmadd_ps): Use __builtin_ia32_vfnmaddps256_mask.
7688	(_mm256_mask_fnmadd_ps): Use __builtin_ia32_vfnmaddps256_mask.
7689	(_mm256_maskz_fnmadd_ps): Use __builtin_ia32_vfnmaddps256_maskz.
7690	(_mm_mask_fnmadd_ps): Use __builtin_ia32_vfnmaddps128_mask.
7691	(_mm_maskz_fnmadd_ps): Use __builtin_ia32_vfnmaddps128_maskz.
7692	* config/i386/fmaintrin.h (_mm_fnmadd_pd): Use
7693	__builtin_ia32_vfnmaddpd.
7694	(_mm256_fnmadd_pd): Use __builtin_ia32_vfnmaddpd256.
7695	(_mm_fnmadd_ps): Use __builtin_ia32_vfnmaddps.
7696	(_mm256_fnmadd_ps): Use __builtin_ia32_vfnmaddps256.
7697	(_mm_fnmadd_sd): Use __builtin_ia32_vfnmaddsd3.
7698	(_mm_fnmadd_ss): Use __builtin_ia32_vfnmaddss3.
7699	* config/i386/i386-builtin.def: Add
7700	__builtin_ia32_vfnmaddpd256_mask,
7701	__builtin_ia32_vfnmaddpd256_maskz,
7702	__builtin_ia32_vfnmaddpd128_mask,
7703	__builtin_ia32_vfnmaddpd128_maskz,
7704	__builtin_ia32_vfnmaddps256_mask,
7705	__builtin_ia32_vfnmaddps256_maskz,
7706	__builtin_ia32_vfnmaddps128_mask,
7707	__builtin_ia32_vfnmaddps128_maskz,
7708	__builtin_ia32_vfnmaddpd512_mask,
7709	__builtin_ia32_vfnmaddpd512_maskz,
7710	__builtin_ia32_vfnmaddps512_mask,
7711	__builtin_ia32_vfnmaddps512_maskz, __builtin_ia32_vfnmaddss3,
7712	__builtin_ia32_vfnmaddsd3, __builtin_ia32_vfnmaddps,
7713	__builtin_ia32_vfnmaddpd, __builtin_ia32_vfnmaddps256 and.
7714	__builtin_ia32_vfnmaddpd256.
7715	* config/i386/sse.md (fma4i_fnmadd_<mode>): New.
7716	(<avx512>_fnmadd_<mode>_maskz<round_expand_name>): Likewise.
7717	(*<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_1):
7718	Likewise.
7719	(*<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_2):
7720	Likewise.
7721	(*<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_3):
7722	Likewise.
7723	(fmai_vmfnmadd_<mode><round_name>): Likewise.
7724
77252018-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7726
7727	PR target/72782
7728	* config/i386/avx512fintrin.h (_mm512_fmsub_round_pd): Use
7729	__builtin_ia32_vfmsubpd512_mask.
7730	(_mm512_mask_fmsub_round_pd): Likewise.
7731	(_mm512_fmsub_pd): Likewise.
7732	(_mm512_mask_fmsub_pd): Likewise.
7733	(_mm512_maskz_fmsub_round_pd): Use
7734	__builtin_ia32_vfmsubpd512_maskz.
7735	(_mm512_maskz_fmsub_pd): Likewise.
7736	(_mm512_fmsub_round_ps): Use __builtin_ia32_vfmsubps512_mask.
7737	(_mm512_mask_fmsub_round_ps): Likewise.
7738	(_mm512_fmsub_ps): Likewise.
7739	(_mm512_mask_fmsub_ps): Likewise.
7740	(_mm512_maskz_fmsub_round_ps): Use
7741	__builtin_ia32_vfmsubps512_maskz.
7742	(_mm512_maskz_fmsub_ps): Likewise.
7743	* config/i386/avx512vlintrin.h (_mm256_mask_fmsub_pd): Use
7744	__builtin_ia32_vfmsubpd256_mask.
7745	(_mm256_maskz_fmsub_pd): Use __builtin_ia32_vfmsubpd256_maskz.
7746	(_mm_mask_fmsub_pd): Use __builtin_ia32_vfmaddpd128_mask
7747	(_mm_maskz_fmsub_pd): Use __builtin_ia32_vfmsubpd128_maskz.
7748	(_mm256_mask_fmsub_ps): Use __builtin_ia32_vfmsubps256_mask.
7749	(_mm256_mask_fmsub_ps): Use __builtin_ia32_vfmsubps256_mask.
7750	(_mm256_maskz_fmsub_ps): Use __builtin_ia32_vfmsubps256_maskz.
7751	(_mm_mask_fmsub_ps): Use __builtin_ia32_vfmsubps128_mask.
7752	(_mm_maskz_fmsub_ps): Use __builtin_ia32_vfmsubps128_maskz.
7753	* config/i386/fmaintrin.h (_mm_fmsub_pd): Use
7754	__builtin_ia32_vfmsubpd.
7755	(_mm256_fmsub_pd): Use __builtin_ia32_vfmsubpd256.
7756	(_mm_fmsub_ps): Use __builtin_ia32_vfmsubps.
7757	(_mm256_fmsub_ps): Use __builtin_ia32_vfmsubps256.
7758	(_mm_fmsub_sd): Use __builtin_ia32_vfmsubsd3.
7759	(_mm_fmsub_ss): Use __builtin_ia32_vfmsubss3.
7760	* config/i386/i386-builtin.def: Add
7761	__builtin_ia32_vfmsubpd256_mask,
7762	__builtin_ia32_vfmsubpd256_maskz,
7763	__builtin_ia32_vfmsubpd128_mask,
7764	__builtin_ia32_vfmsubpd128_maskz,
7765	__builtin_ia32_vfmsubps256_mask,
7766	__builtin_ia32_vfmsubps256_maskz,
7767	__builtin_ia32_vfmsubps128_mask,
7768	__builtin_ia32_vfmsubps128_maskz,
7769	__builtin_ia32_vfmsubpd512_mask,
7770	__builtin_ia32_vfmsubpd512_maskz,
7771	__builtin_ia32_vfmsubps512_mask,
7772	__builtin_ia32_vfmsubps512_maskz, __builtin_ia32_vfmsubss3,
7773	__builtin_ia32_vfmsubsd3, __builtin_ia32_vfmsubps,
7774	__builtin_ia32_vfmsubpd, __builtin_ia32_vfmsubps256 and.
7775	__builtin_ia32_vfmsubpd256.
7776	* config/i386/sse.md (fma4i_fmsub_<mode>): New.
7777	(<avx512>_fmsub_<mode>_maskz<round_expand_name>): Likewise.
7778	(*<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_1):
7779	Likewise.
7780	(*<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_2):
7781	Likewise.
7782	(*<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_3):
7783	Likewise.
7784	(fmai_vmfmsub_<mode><round_name>): Likewise.
7785
77862018-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7787
7788	* config/i386/sse.md (*<plusminus_insn><mode>3<mask_name>_bcst_1):
7789	Remove plus.  Renamed to ...
7790	(*sub<mode>3<mask_name>_bcst): This.
7791	(*add<mode>3<mask_name>_bcst_2): Renamede to ...
7792	(*add<mode>3<mask_name>_bcst): This.
7793
77942018-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7795
7796	PR target/72782
7797	* config/i386/sse.md (*mul<mode>3<mask_name>_bcst): New.
7798
77992018-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7800
7801	PR target/87662
7802	* i386/avx512vlintrin.h (_mm256_or_epi32): New.
7803	(_mm_or_epi32): Likewise.
7804	(_mm256_xor_epi32): Likewise.
7805	(_mm_xor_epi32): Likewise.
7806	(_mm256_or_epi64): Likewise.
7807	(_mm_or_epi64): Likewise.
7808	(_mm256_xor_epi64): Likewise.
7809	(_mm_xor_epi64): Likewise.
7810
78112018-10-20  H.J. Lu  <hongjiu.lu@intel.com>
7812
7813	PR target/72782
7814	* config/i386/sse.md (*<avx512>_div<mode>3<mask_name>_bcst): New.
7815
78162018-10-20  Jakub Jelinek  <jakub@redhat.com>
7817
7818	PR middle-end/87647
7819	* varasm.c (decode_addr_const): Handle COMPOUND_LITERAL_EXPR.
7820
78212018-10-20  Andreas Schwab  <schwab@linux-m68k.org>
7822
7823	* doc/ux.texi: Move @section directly after @node.
7824
78252018-10-19  Jakub Jelinek  <jakub@redhat.com>
7826
7827	PR middle-end/85488
7828	PR middle-end/87649
7829	* omp-low.c (check_omp_nesting_restrictions): Diagnose ordered without
7830	depend closely nested inside of loop with ordered clause with
7831	a parameter.
7832
78332018-10-19  David Malcolm  <dmalcolm@redhat.com>
7834
7835	* Makefile.in (TEXI_GCCINT_FILES): Add ux.texi.
7836	* doc/gccint.texi: Include ux.texi and use it in top-level menu.
7837	* doc/ux.texi: New file.
7838
78392018-10-19  Segher Boessenkool  <segher@kernel.crashing.org>
7840
7841	* config/rs6000/rs6000.h (REG_ALLOC_ORDER): Move 68 (that is, CR0) to
7842	be the first CR field allocated.
7843
78442018-10-19  Richard Biener  <rguenther@suse.de>
7845
7846	PR target/87657
7847	* config/i386/i386.c (ix86_builtin_vectorization_cost): Use
7848	TYPE_VECTOR_SUBPARTS and avoid relying on vector mode.
7849
78502018-10-19  H.J. Lu  <hongjiu.lu@intel.com>
7851
7852	PR target/72782
7853	* config/i386/sse.md
7854	(*<plusminus_insn><mode>3<mask_name>_bcst_1): New.
7855	(*add<mode>3<mask_name>_bcst_2): Likewise.
7856
78572018-10-19  H.J. Lu  <hongjiu.lu@intel.com>
7858
7859	* config/i386/sse.md
7860	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1):
7861	Replace nonimmediate_operand with register_operand.
7862	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_2):
7863	Likewise.
7864	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_3):
7865	Likewise.
7866
78672018-10-19  Ilya Leoshkevich  <iii@linux.ibm.com>
7868
7869	PR rtl-optimization/87596
7870	* lra-constraints.c (spill_hard_reg_in_range): Use INSN_P () +
7871	lra_get_insn_recog_data () instead of lra_insn_recog_data[]
7872	for instructions in FROM..TO range.
7873
78742018-10-19  Eric Botcazou  <ebotcazou@adacore.com>
7875
7876	* cfgexpand.c (expand_one_var): Use specific wording in error message
7877	for non-local frame variables.
7878	* stor-layout.c (layout_decl): Do not issue a warning for them.
7879
78802018-10-19  Robin Dapp  <rdapp@linux.ibm.com>
7881
7882	* haifa-sched.c (priority): Add force_recompute parameter.
7883	(apply_replacement): Call priority () with force_recompute = true.
7884	(restore_pattern): Likewise.
7885
78862018-10-18  H.J. Lu  <hongjiu.lu@intel.com>
7887
7888	* simplify-rtx.c (simplify_subreg): Limit mask of vec_merge to
7889	HOST_BITS_PER_WIDE_INT.
7890	(test_vector_ops_duplicate): Likewise.
7891
78922018-10-18  H.J. Lu  <hongjiu.lu@intel.com>
7893
7894	PR target/72782
7895	* config/i386/sse.md (VF_AVX512): New.
7896	(avx512bcst): Likewise.
7897	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1):
7898	Likewise.
7899	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_2):
7900	Likewise.
7901	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_3):
7902	Likewise.
7903
79042018-10-18  Jonathan Wakely  <jwakely@redhat.com>
7905
7906	* doc/invoke.texi (-dumpversion): Improve grammar.
7907	(-dumpfullversion): Make more consistent with -dumpversion.
7908
79092018-10-18  Uros Bizjak  <ubizjak@gmail.com>
7910
7911	* config/i386/i386.c (ix86_emit_fp_unordered_jump):
7912	Set JUMP_LABEL to the jump insn.
7913	(ix86_emit_i387_log1p): Use ix86_expand_branch to expand branch.
7914	Predict emitted jump and add label to jump insn.
7915
79162018-10-18  David Malcolm  <dmalcolm@redhat.com>
7917
7918	PR tree-optimization/87562
7919	* input.c (get_substring_ranges_for_loc): Use
7920	LRK_SPELLING_LOCATION rather than LRK_MACRO_EXPANSION_POINT when
7921	getting the linemap for the endpoint.  Verify that it's either
7922	in the same linemap as the start point's spelling location, or
7923	at least in the same file.
7924
79252018-10-18  Richard Biener  <rguenther@suse.de>
7926
7927	* config/i386/i386.c (ix86_builtin_vectorization_cost): Do not
7928	feed width-specific load/store costs through ix86_vec_cost.
7929	* config/i386/x86-tune-costs.h (athlon_cost): Adjust.
7930	(k8_cost): Likewise.
7931	(bdver_cost): Likewise.
7932	(znver1_cost): Likewise.
7933	(btver1_cost): Likewise.
7934	(btver2_cost): Likewise.
7935
79362018-10-18  H.J. Lu  <hongjiu.lu@intel.com>
7937
7938	* simplify-rtx.c (simplify_subreg): Call simplify_gen_subreg
7939	to simplify subreg of vec_merge.
7940
79412018-10-18  Richard Biener  <rguenther@suse.de>
7942
7943	* config/i386/i386.c: Fix costing of vector FMA.
7944
79452018-10-18  Richard Biener  <rguenther@suse.de>
7946
7947	* config/i386/i386.c (ix86_vec_cost): Remove !parallel path
7948	and argument.
7949	(ix86_builtin_vectorization_cost): For vec_construct properly
7950	cost insertion into SSE regs.
7951	(...): Adjust calls to ix86_vec_cost.
7952
79532018-10-18  Richard Biener  <rguenther@suse.de>
7954
7955	PR middle-end/87087
7956	Revert
7957	2018-02-07  Richard Biener  <rguenther@suse.de>
7958
7959	PR tree-optimization/84204
7960	* tree-chrec.c (chrec_fold_plus_1): Remove size limiting in
7961	this place.
7962
79632018-10-18  H.J. Lu  <hongjiu.lu@intel.com>
7964
7965	PR target/87537
7966	* simplify-rtx.c (simplify_subreg): Simplify subreg of vec_merge
7967	of vec_duplicate.
7968	(test_vector_ops_duplicate): Add test for a scalar subreg of a
7969	VEC_MERGE of a VEC_DUPLICATE.
7970
79712018-10-17  Joseph Myers  <joseph@codesourcery.com>
7972
7973	* doc/cpp.texi (__STDC_VERSION__): Document C2X handling.
7974	* doc/invoke.texi (-std=c2x, -std=gnu2x): Document new options.
7975	* doc/standards.texi (C Language): Document C2X.
7976	* dwarf2out.c (highest_c_language), config/rl78/rl78.c
7977	(rl78_option_override): Handle "GNU C2X" language name.
7978
79792018-10-17  Joseph Myers  <joseph@codesourcery.com>
7980
7981	* doc/invoke.texi (-std=c17), doc/standards.texi (C Language):
7982	Document C17 as published in 2018.
7983
79842018-10-17  Eric Botcazou  <ebotcazou@adacore.com>
7985
7986	PR middle-end/87623
7987	* fold-const.c (fold_truth_andor_1): If the right side is not constant,
7988	bail out if both sides do not have the same storage order.
7989
79902018-10-17  Aldy Hernandez  <aldyh@redhat.com>
7991
7992	* bitmap.c (bitmap_head::dump): New.
7993	* bitmap.h (bitmap_head): Add dump().
7994	* gimple-ssa-evrp-analyze.c
7995	(evrp_range_analyzer::try_find_new_range): Adjust for value_range API.
7996	(evrp_range_analyzer::set_ssa_range_info): Same.
7997	(evrp_range_analyzer::record_ranges_from_phis): Same.
7998	(evrp_range_analyzer::record_ranges_from_stmt): Same.
7999	* gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Same.
8000	* gimple-ssa-sprintf.c (get_int_range): Same.
8001	(format_integer): Same.
8002	(sprintf_dom_walker::handle_gimple_call): Same.
8003	* ipa-cp.c (ipcp_vr_lattice::meet_with_1): Same.
8004	(ipcp_vr_lattice::top_p): Same.
8005	(ipcp_vr_lattice::bottom_p): Same.
8006	(ipcp_vr_lattice::set_to_bottom): Same.
8007	(ipa_vr_operation_and_type_effects): Same.
8008	(propagate_vr_across_jump_function): Same.
8009	(ipcp_store_vr_results): Same.
8010	* ipa-prop.c (struct ipa_vr_ggc_hash_traits): Same.
8011	(ipa_print_node_jump_functions_for_edge): Same.
8012	(ipa_get_value_range): Same.
8013	(ipa_compute_jump_functions_for_edge): Same.
8014	(ipa_write_jump_function): Same.
8015	* tree-ssa-dom.c (simplify_stmt_for_jump_threading): Same.
8016	* tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
8017	Same.
8018	* vr-values.c (set_value_range_to_nonnegative): Same.
8019	(set_value_range_to_truthvalue): Same.
8020	(vr_values::get_value_range): Same.
8021	(vr_values::set_defs_to_varying): Same.
8022	(vr_values::update_value_range): Same.
8023	(symbolic_range_based_on_p): Same.
8024	(vr_values::op_with_boolean_value_range_p): Same.
8025	(vr_values::extract_range_for_var_from_comparison_expr): Same.
8026	(vr_values::extract_range_from_ssa_name): Same.
8027	(vr_values::extract_range_from_binary_expr): Same.
8028	(vr_values::extract_range_from_unary_expr): Same.
8029	(vr_values::extract_range_from_cond_expr): Same.
8030	(vr_values::extract_range_from_comparison): Same.
8031	(vr_values::check_for_binary_op_overflow): Same.
8032	(vr_values::extract_range_basic): Same.
8033	(vr_values::extract_range_from_assignment): Same.
8034	(compare_ranges): Same.
8035	(compare_range_with_value): Same.
8036	(vr_values::adjust_range_with_scev): Same.
8037	(vrp_valueize): Same.
8038	(vrp_valueize_1): Same.
8039	(vr_values::get_vr_for_comparison): Same.
8040	(vr_values::compare_name_with_value): Same.
8041	(vr_values::compare_names): Same.
8042	(vr_values::vrp_evaluate_conditional): Same.
8043	(find_case_label_ranges): Same.
8044	(vr_values::vrp_visit_switch_stmt): Same.
8045	(vr_values::extract_range_from_phi_node): Same.
8046	(vr_values::simplify_div_or_mod_using_ranges): Same.
8047	(vr_values::simplify_bit_ops_using_ranges): Same.
8048	(test_for_singularity): Same.
8049	(range_fits_type_p): Same.
8050	(vr_values::simplify_cond_using_ranges_1): Same.
8051	(vr_values::simplify_switch_using_ranges): Same.
8052	(vr_values::simplify_float_conversion_using_ranges): Same.
8053	(vr_values::two_valued_val_range_p): Same.
8054	(vr_values::add_equivalence): Move to value_range::equiv_add.
8055	* vr-values.h (vr_values::add_equivalence): Remove.
8056	(VR_INITIALIZER): Remove.
8057	* tree-vrp.c (value_range::set): New.
8058	(value_range::equiv_add): New.
8059	(value_range::value_range): New.
8060	(value_range::deep_copy): New.
8061	(value_range::check): New.
8062	(value_range::equal_p): New.
8063	(value_range::ignore_equivs_equal_p): New.
8064	(value_range::operator==): New.
8065	(value_range::operator!=): New.
8066	(value_range::symbolic_p): New.
8067	(value_range::numeric_p): New.
8068	(value_range::set_undefined): New.
8069	(value_range::set_varying): New.
8070	(value_range::may_contain_p): New.
8071	(value_range::equiv_clear): New.
8072	(value_range::singleton_p): New.
8073	(value_range::intersect): New.
8074	(value_range::dump): New.
8075	(value_range::set_and_canonicalize): New.
8076	(set_value_range): Adjust for value_range API.
8077	(set_value_range_to_undefined): Same.
8078	(set_value_range_to_varying): Same.
8079	(set_and_canonicalize_value_range): Same.
8080	(set_value_range_to_nonnull): Same.
8081	(set_value_range_to_null): Same.
8082	(range_is_null): Same.
8083	(range_is_nonnull): Same.
8084	(range_int_cst_p): Same.
8085	(range_int_cst_singleton_p): Same.
8086	(symbolic_range_p): Same.
8087	(range_includes_zero_p): Same.
8088	(value_range_constant_singleton): Same.
8089	(vrp_set_zero_nonzero_bits): Same.
8090	(ranges_from_anti_range): Same.
8091	(extract_range_into_wide_ints): Same.
8092	(extract_range_from_multiplicative_op): Same.
8093	(set_value_range_with_overflow): Same.
8094	(extract_range_from_binary_expr_1): Same.
8095	(extract_range_from_unary_expr): Same.
8096	(dump_value_range): Same.
8097	(debug_value_range): Same.
8098	(vrp_prop::check_array_ref): Same.
8099	(vrp_prop::check_mem_ref): Same.
8100	(vrp_prop::vrp_initialize): Same.
8101	(vrp_prop::visit_stmt): Same.
8102	(intersect_ranges): Same.
8103	(vrp_prop::visit_phi): Same.
8104	(vrp_prop::vrp_finalize): Same.
8105	(determine_value_range_1): Same.
8106	(determine_value_range): Same.
8107	(vrp_intersect_ranges_1): Rename to...
8108	(vrp_intersect_1): this.
8109	(vrp_intersect_ranges): Rename to...
8110	(value_range::intersect_helper): ...this.
8111	(vrp_meet_1): Rename to...
8112	(value_range::union_helper): ...this.
8113	(vrp_meet): Rename to...
8114	(value_range::union_): ...this.
8115	(copy_value_range): Remove.
8116	* tree-vrp.h (struct value_range): Rewrite into a proper class.
8117	(value_range::vrtype): New.
8118	(value_range::type): New.
8119	(value_range::equiv): New.
8120	(value_range::min): New.
8121	(value_range::max): New.
8122	(value_range::varying_p): New.
8123	(value_range::undefined_p): New.
8124	(value_range::null_p): New.
8125	(value_range::equiv_add): New.
8126	(copy_value_range): Remove.
8127
81282018-10-17  David Malcolm  <dmalcolm@redhat.com>
8129
8130	* Makefile.in (SELFTEST_TARGETS): New.
8131	(selftest) Change from s-selftest-c to $(SELFTEST_TARGETS).
8132	(C_SELFTEST_FLAGS, C_SELFTEST_DEPS, s-selftest-c, selftest-c-gdb)
8133	(selftest-gdb, selftest-c-valgrind, selftest-valgrind): Move to
8134	c/Make-lang.in.
8135	(CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++)
8136	(selftest-c++-gdb, selftest-c++-valgrind): Move to
8137	cp/Make-lang.in.
8138	* configure: Regenerate.
8139	* configure.ac (selftest_languages): New.
8140
81412018-10-17  Aldy Hernandez  <aldyh@redhat.com>
8142
8143	* tree-vrp.c (extract_range_from_multiplicative_op): Remove
8144	overflow wraps argument.
8145	(extract_range_from_binary_expr_1): Do not pass overflow wraps to
8146	wide_int_range_multiplicative_op.
8147	* wide-int-range.cc (wide_int_range_mult_wrapping): Remove
8148	overflow wraps argument.
8149	(wide_int_range_multiplicative_op): Same.
8150	(wide_int_range_lshift): Same.
8151	(wide_int_range_div): Same.
8152	* wide-int-range.h (wide_int_range_multiplicative_op): Same.
8153	(wide_int_range_lshift): Same.
8154	(wide_int_range_div): Same.
8155
81562018-10-17  Aldy Hernandez  <aldyh@redhat.com>
8157
8158	* wide-int-range.h (wide_int_range_shift_undefined_p): Adjust to
8159	use sign as argument.
8160	* tree-vrp.c (extract_range_from_binary_expr_1): Pass sign to
8161	wide_int_range_shift_undefined_p.
8162
81632018-10-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8164
8165	* config/aarch64/aarch64.md (despeculate_copy<ALLI_TI:mode>):
8166	Rename to...
8167	(@despeculate_copy<ALLI_TI:mode>): ... This.
8168	* config/aarch64/aarch64.c (aarch64_speculation_safe_value): Remove
8169	switch statement.
8170
81712018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8172
8173	* config.gcc: Obsolete *-*-solaris2.10*.
8174	* doc/install.texi (Specific, *-*-solaris2*): Document it.
8175
81762018-10-12  Jeff Law  <law@redhat.com>
8177
8178	* config/ft32/ft32.md (ft32_general_movsrc_operand): Disable
8179	reg + sym +- const_int addressing modes.
8180
81812018-10-15  David Malcolm  <dmalcolm@redhat.com>
8182
8183	* common.opt (fdiagnostics-minimum-margin-width=): New option.
8184	* diagnostic-show-locus.c (layout::layout): Apply the minimum
8185	margin width.
8186	(layout::start_annotation_line): Only print up to 3 of the
8187	margin character, to avoid touching the left-hand side.
8188	(selftest::test_diagnostic_show_locus_fixit_lines): Update for
8189	minimum margin width, as set by test_diagnostic_context's ctor.
8190	(selftest::test_fixit_insert_containing_newline): Likewise.
8191	(selftest::test_fixit_insert_containing_newline_2): Likewise.
8192	(selftest::test_line_numbers_multiline_range): Clear
8193	dc.min_margin_width.
8194	* diagnostic.c (diagnostic_initialize): Initialize
8195	min_margin_width.
8196	* diagnostic.h (struct diagnostic_context): Add field
8197	"min_margin_width".
8198	* doc/invoke.texi: Add -fdiagnostics-minimum-margin-width=.
8199	* opts.c (common_handle_option): Handle
8200	OPT_fdiagnostics_minimum_margin_width_.
8201	* selftest-diagnostic.c
8202	(selftest::test_diagnostic_context::test_diagnostic_context):
8203	Initialize min_margin_width to 6.
8204	* toplev.c (general_init): Initialize global_dc->min_margin_width.
8205
82062018-10-15  David Malcolm  <dmalcolm@redhat.com>
8207
8208	* gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
8209	Fix usage of "error_at_rich_loc" in the comment.
8210
82112018-10-15  Renlin Li  <renlin.li@arm.com>
8212
8213	PR target/87563
8214	* tree-vectorizer.c (try_vectorize_loop_1): Don't use
8215	if-conversioned loop when it contains ifn with types not
8216	supported by backend.
8217	* internal-fn.c (expand_direct_optab_fn): Add an assert.
8218	(direct_internal_fn_supported_p): New helper function.
8219	* internal-fn.h (direct_internal_fn_supported_p): Declare.
8220
82212018-10-15  Jakub Jelinek  <jakub@redhat.com>
8222
8223	PR target/87572
8224	* common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512F_UNSET):
8225	Remove OPTION_MASK_ISA_AVX5124FMAPS_UNSET and
8226	OPTION_MASK_ISA_AVX5124VNNIW_UNSET.
8227
82282018-10-15  Bin Cheng  <bin.cheng@linux.alibaba.com>
8229
8230	PR tree-optimization/87022
8231	* tree-loop-distribution.c (pg_add_dependence_edges): Check all
8232	bits in dist vector rather than the first one.
8233
82342018-10-15  Richard Biener  <rguenther@suse.de>
8235
8236	PR middle-end/87610
8237	* tree-ssa-structalias.c (struct vls_data): Add escaped_p member.
8238	(visit_loadstore): When a used restrict tag escaped verify that
8239	the points-to solution of "other" pointers do not include
8240	escaped.
8241	(compute_dependence_clique): If a used restrict tag escaped
8242	communicated that down to visit_loadstore.
8243
82442018-10-15  Andreas Krebbel  <krebbel@linux.ibm.com>
8245
8246	* config/s390/s390.c (s390_expand_vec_init): Force vector element
8247	into reg if it isn't a general operand.
8248
82492018-10-14  H.J. Lu  <hongjiu.lu@intel.com>
8250
8251	PR target/87599
8252	* config/i386/sse.md (*vec_dupv2di): Add register source to
8253	movddup.
8254
82552018-10-14  H.J. Lu  <hongjiu.lu@intel.com>
8256
8257	PR target/87572
8258	* common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512F_UNSET):
8259	Add OPTION_MASK_ISA_AVX512IFMA_UNSET,
8260	OPTION_MASK_ISA_AVX5124FMAPS_UNSET and
8261	OPTION_MASK_ISA_AVX5124VNNIW_UNSET.
8262
82632018-10-13  Eric Botcazou  <ebotcazou@adacore.com>
8264
8265	* dwarf2cfi.c (struct dw_trace_info): Add args_size_defined_for_eh.
8266	(notice_args_size): Set it in the current trace if no insn that can
8267	throw internally has been seen yet.
8268	(connect_traces): When connecting args_size between traces, allow the
8269	incoming values not to match if there is an insn setting it before the
8270	first insn that can throw internally; in that case, force the creation
8271	of a CFI note on this latter insn.
8272
82732018-10-13  Jonathan Wakely  <jwakely@redhat.com>
8274
8275	* opt-problem.h (opt_wrapper): Use template-argument-list when naming
8276	the base class, because using the injected-class-name was not clearly
8277	specified until DR 176.
8278
82792018-10-12  Paul Koning  <ni1d@arrl.net>
8280
8281	* config/pdp11/pdp11.md (doloop_end): New expander.
8282	(doloop_end_insn): renamed from "doloop_end".
8283	(addqi3): New pattern.
8284	(subqi3): New pattern.
8285	* config/pdp11/predicates.md (incdec_operand): New predicate.
8286
82872018-10-12  Yury Gribov  <tetra2005@gmail.com>
8288
8289	PR middle-end/81376
8290	* real.c (format_helper::can_represent_integral_type_p): New function
8291	* real.h (format_helper::can_represent_integral_type_p): Ditto.
8292	* match.pd: New pattern.
8293
82942018-10-12  Alexandre Oliva  <oliva@adacore.com>
8295
8296	* configure.ac: Introduce --enable-large-address-aware
8297	to define MINGW_DEFAULT_LARGE_ADDR_AWARE.
8298	* doc/install.texi: Document it.
8299	* configure, config.in: Rebuilt.
8300	* config/i386/mingw32.h (LINK_SPEC_LARGE_ADDR_AWARE): Define,
8301	based on MINGW_DEFAULT_LARGE_ADDR_AWARE.
8302	(LINK_SPEC): Insert it.
8303	* config/i386/mingw-w64.h: Likewise.
8304
8305	* cygming.h (HAVE_GAS_ALIGNED_COMM): Fallback-define.
8306
83072018-10-12  Peter Bergner  <bergner@linux.ibm.com>
8308
8309	PR rtl-optimization/87600
8310	* ira-lives (non_conflicting_reg_copy_p): Disable for non LRA targets.
8311
83122018-10-12  Paul Koning  <ni1d@arrl.net>
8313
8314	* doc/md.texi (doloop_end): Document that the pattern code may
8315	need to check operand mode.
8316
83172018-10-12  Wilco Dijkstra  <wdijkstr@arm.com>
8318
8319	* config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Add alternatives
8320	to zero-extend between int and floating-point registers.
8321	(load_pair_zero_extendsidi2_aarch64): Add alternative for zero-extended
8322	ldp into floating-point registers.  Add type and arch attributes.
8323	(zero_extend<SHORT:mode><GPI:mode>2_aarch64): Add arch attribute.
8324	Use f_loads for type attribute.
8325
83262018-10-11  Martin Sebor  <msebor@redhat.com>
8327
8328	* doc/extend.texi (attribute packed): Correct typos.
8329
83302018-10-11  Martin Sebor  <msebor@redhat.com>
8331
8332	* doc/extend.texi (attribute flatten): Mention interaction with
8333	noinline.
8334
83352018-10-11  Jan Hubicka  <hubicka@ucw.cz>
8336
8337	PR target/87156
8338	* cgraphclones.c (cgraph_node::create_version_clone_with_body):
8339	Set new_decl virtual flag to zero.
8340
83412018-10-11  Martin Sebor  <msebor@redhat.com>
8342
8343	PR middle-end/87593
8344	* doc/extend.texi (attribute format_arg): Discuss using multiple
8345	attributes on a single function.
8346
83472018-10-11  Giuliano Belinassi  <giuliano.belinassi@usp.br>
8348
8349	PR tree-optimization/86829
8350	* match.pd (sin (atan (x))): New simplification rules.
8351	(cos (atan (x))): Likewise.
8352	* real.c (build_sinatan_real): New function.
8353	* real.h (build_sinatan_real): Prototype.
8354
83552018-10-11  Will Schmidt  <will_schmidt@vnet.ibm.com>
8356
8357	* config/rs6000/rs6000.c (map_to_integral_tree_type): New helper
8358	function.
8359	(fold_mergeeo_helper): New helper function.
8360	(rs6000_gimple_fold_builtin): Add hooks for vec_mergee and vec_mergeo
8361	intrinsics.  Correct some whitespace indentation issues.
8362
83632018-10-11  Wilco Dijkstra  <wdijkstr@arm.com>
8364
8365	PR target/87511
8366	* config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
8367	Use HOST_WIDE_INT_1U for shift.
8368
83692018-10-11  Doug Rupp  <rupp@adacore.com>
8370	    Olivier Hainque  <hainque@adacore.com>
8371
8372	* config/rs6000/vxworks.h (VXWORKS_RELAX_LINK_SPEC): New macro.
8373	Pass --relax to the linker for RTPs.
8374	(LINK_SPEC): Append VXWORKS_RELAX_LINK_SPEC.
8375
83762018-10-11  Andrew Stubbs  <ams@codesourcery.com>
8377	    Jan Hubicka  <jh@suse.cz>
8378	    Martin Jambor  <mjambor@suse.cz>
8379
8380	* print-rtl.c (print_rtx_operand_codes_E_and_V): Print how many times
8381	the same elements are repeated rather than printing all of them.
8382	* read-rtl.c (rtx_reader::read_rtx_operand): Recognize and expand
8383	"repeated" elements.
8384	* read-rtl-function.c (test_loading_repeat): New function.
8385	(read_rtl_function_c_tests): Call test_loading_repeat.
8386	* rtl-tests.c (test_dumping_repeat): New function.
8387	(rtl_tests_c_tests): Call test_dumping_repeat.
8388
83892018-10-11  Richard Biener  <rguenther@suse.de>
8390
8391	* config/i386/x86-tune-costs.h (bdver?_memcpy, bdver?_memset,
8392	bdver?_cost): Unify to ...
8393	(bdver_memcpy, bdver_memset, bdver_cost): ... this.
8394	* config/i386/i386.c (processor_cost_table): Adjust.
8395
83962018-10-10  Eric Botcazou  <ebotcazou@adacore.com>
8397
8398	PR middle-end/87574
8399	* cgraphunit.c (cgraph_node::expand_thunk): Force DECL_IGNORED_P on
8400	the thunk when expanding to GIMPLE.
8401
84022018-10-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8403
8404	PR bootstrap/87551
8405	* varasm.c (mergeable_string_section): Don't try to move zero-length
8406	strings to the merge section.
8407
84082018-10-10  Uros Bizjak  <ubizjak@gmail.com>
8409
8410	PR target/87573
8411	* config/i386/mmx.md (const_vector 0 -> mem splitter): New splitter.
8412
84132018-10-10  Jakub Jelinek  <jakub@redhat.com>
8414
8415	PR target/87550
8416	* config/i386/i386-builtin.def (IX86_BUILTIN_RDPMC): Move from args set
8417	to special_args set.
8418
84192018-10-10  Richard Biener  <rguenther@suse.de>
8420
8421	* config/i386/sse.md (reduc_plus_scal_v8df, reduc_plus_scal_v4df,
8422	reduc_plus_scal_v2df, reduc_plus_scal_v16sf, reduc_plus_scal_v8sf,
8423	reduc_plus_scal_v4sf): Merge into pattern reducing to half width
8424	and recursing and pattern terminating the recursion on SSE
8425	vector width using ix86_expand_reduc.
8426	(reduc_sminmax_scal_<mode>): Split into part reducing to half
8427	width and recursing and SSE2 vector variant doing the final
8428	reduction with ix86_expand_reduc.
8429	(reduc_uminmax_scal_<mode>): Likewise for the AVX512 variants
8430	with terminating the recursion at AVX level, splitting that
8431	to SSE there.
8432
84332018-10-09  David Malcolm  <dmalcolm@redhat.com>
8434
8435	* genmatch.c (error_cb): Rename to...
8436	(diagnostic_cb): ...this, converting int params to enums.
8437	(fatal_at): Update for renaming.
8438	(warning_at): Likewise.
8439	(main): Likewise.
8440	* input.c (selftest::ebcdic_execution_charset::apply):
8441	Update for renaming of...
8442	(selftest::ebcdic_execution_charset::on_error): ...this, renaming
8443	to...
8444	(selftest::ebcdic_execution_charset::on_diagnostic): ...this,
8445	converting level and reason to enums.
8446	(class selftest::lexer_error_sink): Rename to...
8447	(class selftest::lexer_test_options): ...this, renaming field
8448	"m_errors" to "m_diagnostics".
8449	(selftest::lexer_test_options::apply): Update for renaming of...
8450	(selftest::lexer_test_options::on_error): ...this, renaming to...
8451	(selftest::lexer_test_options::on_diagnostic): ...this
8452	converting level and reason to enums.
8453	(selftest::test_lexer_string_locations_raw_string_unterminated):
8454	Update for renamings.
8455	* opth-gen.awk (struct cpp_reason_option_codes_t): Use enum for
8456	"reason".
8457
84582018-10-09  Paul A. Clarke  <pc@us.ibm.com>
8459
8460	* config.gcc (powerpc*-*-*): Add pmmintrin.h to extra_headers.
8461	* config/rs6000/pmmintrin.h: New file.
8462
84632018-10-09  Eric Botcazou  <ebotcazou@adacore.com>
8464
8465	PR tree-optimization/86659
8466	* gimple-match.h (gimple_match_op constructors): Initialize reverse.
8467
84682018-10-09  Richard Biener  <rguenther@suse.de>
8469
8470	PR tree-optimization/63155
8471	* tree-ssa-structalias.c: Include tree-ssa.h.
8472	(get_constraint_for_ssa_var): For undefs return nothing_id.
8473	(find_func_aliases): Cleanup PHI handling.
8474
84752018-10-09  Richard Biener  <rguenther@suse.de>
8476
8477	* tree-vectorizer.c (dump_stmt_cost): Fix cut&paste missing
8478	replacements.
8479
84802018-10-09  Martin Liska  <mliska@suse.cz>
8481
8482	* asan.c (asan_emit_stack_protection): If a stack variable
8483	is located in a same file as current function, then emit
8484	line info into variable definition string.
8485
84862018-10-08  Eric Botcazou  <ebotcazou@adacore.com>
8487
8488	* print-rtl.c (rtx_writer::print_rtx_operand_code_i): Print column
8489	information.
8490
84912018-10-08  Eric Botcazou  <ebotcazou@adacore.com>
8492
8493	* cgraphunit.c (cgraph_node::expand_thunk): Do not force DECL_IGNORED_P
8494	on the thunk.
8495
84962018-10-08  Eric Botcazou  <ebotcazou@adacore.com>
8497
8498	PR tree-optimization/86659
8499	* gimple-match.h (struct gimple_match_op): Add reverse field.
8500	(gimple_match_op::set_op): New overloaded method.
8501	* gimple-match-head.c (maybe_build_generic_op) <BIT_FIELD_REF>: Set
8502	the REF_REVERSE_STORAGE_ORDER flag on the value.
8503	(gimple_simplify) <GIMPLE_ASSIGN>: For BIT_FIELD_REF, propagate the
8504	REF_REVERSE_STORAGE_ORDER flag and avoid simplifying if it is set.
8505
85062018-10-08  Richard Sandiford  <richard.sandiford@arm.com>
8507
8508	PR middle-end/63155
8509	* gimple-ssa-backprop.c (backprop::intersect_uses): Use
8510	FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.
8511
85122018-10-08  H.J. Lu  <hongjiu.lu@intel.com>
8513
8514	PR target/87517
8515	* config/i386/avx512fintrin.h (_mm512_mask_fmaddsub_round_pd):
8516	Defined with __builtin_ia32_vfmaddsubpd512_mask.
8517
85182018-10-08  Richard Biener  <rguenther@suse.de>
8519
8520	* config/i386/x86-tune-costs.h (znver1_cost): Make AVX256 vector loads
8521	cost the same as AVX128 ones.
8522
85232018-10-08  Paul Koning  <ni1d@arrl.net>
8524
8525	* config/pdp11/pdp11-protos.h (output_block_move): Remove.
8526	(expand_block_move): New function.
8527	* config/pdp11/pdp11.c (output_block_move): Remove.
8528	(expand_block_move): New function.
8529	* config/pdp11/pdp11.h (MOVE_RATIO): New definition.
8530	* config/pdp11/pdp11.md (movmemhi): Use expand_block_move.
8531	(*movmemhi1): Remove.
8532
85332018-10-08  Robin Dapp  <rdapp@linux.ibm.com>
8534
8535	* config/s390/2827.md: Increase latencies for some FP instructions.
8536
85372018-10-08  Richard Biener  <rguenther@suse.de>
8538
8539	* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8540	Open a dump scope.
8541	* tree-vectorizer.c (dump_stmt_cost): Add cost param and dump it.
8542	* tree-vectorizer.h (dump_stmt_cost): Adjust.
8543	(add_stmt_cost): Dump return value of the hook.
8544
85452018-10-08  Richard Biener  <rguenther@suse.de>
8546
8547	PR tree-optimization/63155
8548	* tree-ssa-propagate.c (add_ssa_edge): Do cheap check first.
8549	(ssa_propagation_engine::ssa_propagate): Remove redundant
8550	bitmap bit clearing.
8551
85522018-10-05  Peter Bergner  <bergner@linux.ibm.com>
8553
8554	PR rtl-optimization/86939
8555	PR rtl-optimization/87479
8556	* ira.h (non_conflicting_reg_copy_p): New prototype.
8557	* ira-lives.c (ignore_reg_for_conflicts): New static variable.
8558	(make_hard_regno_dead): Don't add conflicts for register
8559	ignore_reg_for_conflicts.
8560	(make_object_dead): Likewise.
8561	(non_conflicting_reg_copy_p): New function.
8562	(process_bb_node_lives): Set ignore_reg_for_conflicts for copies.
8563	Remove special conflict handling of REAL_PIC_OFFSET_TABLE_REGNUM.
8564	* lra-lives.c (ignore_reg_for_conflicts): New static variable.
8565	(make_hard_regno_dead): Don't add conflicts for register
8566	ignore_reg_for_conflicts.  Remove special conflict handling of
8567	REAL_PIC_OFFSET_TABLE_REGNUM.  Remove now unused argument
8568	check_pic_pseudo_p and update callers.
8569	(mark_pseudo_dead): Don't add conflicts for register
8570	ignore_reg_for_conflicts.
8571	(process_bb_lives): Set ignore_reg_for_conflicts for copies.
8572
85732018-10-05  Andrew Waterman  <andrew@sifive.com>
8574	    Jim Wilson  <jimw@sifive.com>
8575
8576	* config/riscv/riscv.md (f<quiet_pattern>_quiet<ANYF:mode><X:mode>4):
8577	Add define_expand.  Add ! HONOR_SNANS check to current pattern.  Add
8578	new pattern using HONOR_SNANS that emits one extra instruction.
8579
85802018-10-05  Segher Boessenkool  <segher@kernel.crashing.org>
8581
8582	* config/rs6000/rs6000.md (unnamed mfcr scc_comparison_operator
8583	patterns): Merge SI and DI patterns to a GPR pattern.
8584	(unnamed define_insn and define_split for record form of that): Merge
8585	to a single define_insn_and_split pattern.
8586
85872018-10-05  David Malcolm  <dmalcolm@redhat.com>
8588
8589	PR c++/56856
8590	* input.c (expand_location_to_spelling_point): Add param "aspect"
8591	and use rather than hardcoding LOCATION_ASPECT_CARET.
8592	(get_substring_ranges_for_loc): Handle the case of a single token
8593	within a macro expansion.
8594	* input.h (expand_location_to_spelling_point): Add "aspect" param,
8595	defaulting to LOCATION_ASPECT_CARET.
8596
85972018-10-05  Paul Koning  <ni1d@arrl.net>
8598
8599	* config/pdp11/pdp11.c (TARGET_CXX_GUARD_TYPE): Define.
8600	(TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define.
8601	(TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8602	(pdp11_guard_type): New function.
8603
86042018-10-05  Paul Koning  <ni1d@arrl.net>
8605
8606	* config/pdp11/pdp11.h (FLOAT_TYPE_SIZE): Always 32.
8607	* config/pdp11/pdp11.opt (mfloat32): Remove.
8608	(mfloat64): Remove.
8609	* doc/invoke.texi (pdp11 -mfloat32): Remove:
8610	(pdp11 -mfloat64): Remove.
8611
86122018-10-05  Uros Bizjak  <ubizjak@gmail.com>
8613
8614	* config/i386/i386.md (*cmpxf_cc_i387): Remove pattern.
8615	(*cmp<mode>_cc_i387): Ditto.
8616	(*cmpu<mode>_cc_i387): Ditto.
8617	(*cmp<X87MODEF:mode>_<SWI24:mode>_cc_i387): Ditto.
8618	* config/i386/i386.c (ix86_expand_fp_compare): Remove
8619	"scratch" argument.
8620	<case IX86_FPCMP_SAHF>: Do not generate pattern with HImode clobber.
8621	Emit x86_sahf_1 pattern.
8622	(ix86_expand_compare): Update call to ix86_expand_fp_compare.
8623	(ix86_expand_carry_flag_compare): Ditto.
8624
86252018-10-05  Uros Bizjak  <ubizjak@gmail.com>
8626
8627	* config/i386/i386.md (*cmpxf_i387): Change operand 2 predicate
8628	to reg_or_0_operand.  Add "C" constraint.
8629	(*cmpxf_cc_i387): Ditto.
8630	(*cmp<mode>_i387): Change operand 2 predicate
8631	to nonimm_or_0_operand.  Add "C" constraint.
8632	(*cmp<mode>_cc_i387): Ditto.
8633	(*cmp<mode>_0_i387): Remove insn pattern.
8634	(*cmp<mode>_0_cc_i387): Ditto.
8635
86362018-10-05  Uros Bizjak  <ubizjak@gmail.com>
8637
8638	* config/i386/constraints.md ("C"): Do not depend on TARGET_SSE.
8639	* config/i386/predicates.md (nonimm_or_0_operand): Rename
8640	from vector_move_operand.  Update all uses.
8641
86422018-10-05  Martin Sebor  <msebor@redhat.com>
8643
8644	PR tree-optimization/87490
8645	* builtins.c (expand_builtin_strnlen): Handle a null data.decl
8646	consistently.
8647
86482018-10-05  Richard Biener  <rguenther@suse.de>
8649
8650	PR tree-optimization/63155
8651	* tree-ssa-ccp.c (ccp_propagate::visit_phi): Avoid excess
8652	vertical space in dumpfiles.
8653	* tree-ssa-propagate.h
8654	(ssa_propagation_engine::process_ssa_edge_worklist): Remove.
8655	* tree-ssa-propagate.c (cfg_blocks_back): New global.
8656	(ssa_edge_worklist_back): Likewise.
8657	(curr_order): Likewise.
8658	(cfg_blocks_get): Remove abstraction.
8659	(cfg_blocks_add): Likewise.
8660	(cfg_blocks_empty_p): Likewise.
8661	(add_ssa_edge): Add to current or next worklist based on
8662	RPO index.
8663	(add_control_edge): Likewise.
8664	(ssa_propagation_engine::process_ssa_edge_worklist): Fold
8665	into ...
8666	(ssa_propagation_engine::ssa_propagate): ... here.  Unify
8667	iteration from CFG and SSA edge worklist so we process
8668	everything in RPO order, prioritizing forward progress
8669	over iteration.
8670	(ssa_prop_init): Allocate new worklists, do not dump
8671	immediate uses.
8672	(ssa_prop_fini): Free new worklists.
8673
86742018-10-05  Richard Biener  <rguenther@suse.de>
8675
8676	* tree-core.h (tree_block::abstract_flag): Remove.
8677	(tree_block::block_num): Make full 32bits.
8678	* tree.def (BLOCK): Remove docs about BLOCK_ABSTRACT.
8679	* tree.h (BLOCK_ABSTRACT): Remove.
8680	* dwarf2out.c (gen_lexical_block_die): Remove dead code
8681	resulting from BLOCK_ABSTRACT being always false.
8682	(gen_inlined_subroutine_die): Likewise.
8683	(gen_block_die): Likewise.
8684	* tree.c (block_ultimate_origin): Likewise.
8685	* tree-pretty-print.c (dump_block_node): Remove code dealing
8686	with BLOCK_ABSTRACT.
8687	* tree-ssa-live.c (dump_scope_block): Likewise.
8688	* tree-streamer-in.c (unpack_ts_block_value_fields): Likewise.
8689	* tree-streamer-out.c (pack_ts_block_value_fields): Likewise.
8690
86912018-10-05   Richard Biener  <rguenther@suse.de>
8692
8693	* config/i386/i386.c (ix86_add_stmt_cost): When scalar cost
8694	is asked for initialize mode to the component mode of the
8695	vector type.
8696
86972018-10-05  H.J. Lu  <hongjiu.lu@intel.com>
8698
8699	PR target/87522
8700	* config/i386/gnu-user.h (ASM_SPEC): Don't pass -msse2avx to
8701	assembler for -mavx.
8702	* config/i386/gnu-user64.h (ASM_SPEC): Likewise.
8703
87042018-10-05  Segher Boessenkool  <segher@kernel.crashing.org>
8705
8706	PR target/87509
8707	* config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_SET_FPSCR_DRN): Use
8708	RS6000_BTM_DFP.
8709	* config/rs6000/rs6000.md (rs6000_set_fpscr_rn): Require the operand
8710	to be DImode.  When using mffscrn, force the operand to a register.
8711
87122018-10-04  Uros Bizjak  <ubizjak@gmail.com>
8713
8714	* config/i386/i386.md (*fop_<X87MODEF:mode>_2_i387): Macroize insn
8715	from *fop_<MODEF:mode>_2_i387 and *fop_xf_2_i387 using
8716	X87MODEF mode iterator.
8717	(*fop_<X87MODEF:mode>_3_i387): Macroize insn from
8718	*fop_<MODEF:mode>_3_i387 and *fop_xf_3_i387 using
8719	X87MODEF mode iterator.
8720
87212018-10-04  Vinay Kumar  <vinay.kumar@blackfigtech.com>
8722
8723	* doc/invoke.texi (-Wno-prio-ctor-dtor): Document new warning
8724	-Wno-prio-ctor-dtor.
8725
87262018-10-04  David Malcolm  <dmalcolm@redhat.com>
8727
8728	* Makefile.in (OBJS): Add opt-problem.o.
8729	* dump-context.h: Include "selftest.h.
8730	(selftest::temp_dump_context): New forward decl.
8731	(class dump_context): Make friend of class
8732	selftest::temp_dump_context.
8733	(dump_context::dump_loc_immediate): New decl.
8734	(class dump_pretty_printer): Move here from dumpfile.c.
8735	(class temp_dump_context): Move to namespace selftest.
8736	(temp_dump_context::temp_dump_context): Add param
8737	"forcibly_enable_dumping".
8738	(selftest::verify_dumped_text):
8739	(ASSERT_DUMPED_TEXT_EQ): Move here from dumpfile.c.
8740	(selftest::verify_item):
8741	(ASSERT_IS_TEXT): Move here from dumpfile.c.
8742	(ASSERT_IS_TREE): Likewise.
8743	(ASSERT_IS_GIMPLE): Likewise.
8744	* dumpfile.c (dump_context::dump_loc): Move immediate dumping
8745	to...
8746	(dump_context::dump_loc_immediate): ...this new function.
8747	(class dump_pretty_printer): Move to dump-context.h.
8748	(dump_switch_p_1): Don't enable MSG_PRIORITY_REEMITTED.
8749	(opt_info_switch_p_1): Enable MSG_PRIORITY_REEMITTED.
8750	(temp_dump_context::temp_dump_context): Move to "selftest"
8751	namespace.  Add param "forcibly_enable_dumping", and use it to
8752	conditionalize the use of m_pp;
8753	(selftest::verify_dumped_text): Make non-static.
8754	(ASSERT_DUMPED_TEXT_EQ): Move to dump-context.h.
8755	(selftest::verify_item): Make non-static.
8756	(ASSERT_IS_TEXT): Move to dump-context.h.
8757	(ASSERT_IS_TREE): Likewise.
8758	(ASSERT_IS_GIMPLE): Likewise.
8759	(selftest::test_capture_of_dump_calls): Pass "true" for new
8760	param of temp_dump_context.
8761	* dumpfile.h (enum dump_flag): Add MSG_PRIORITY_REEMITTED, adding
8762	it to MSG_ALL_PRIORITIES.  Update values of TDF_COMPARE_DEBUG and
8763	TDF_COMPARE_DEBUG.
8764	* opt-problem.cc: New file.
8765	* opt-problem.h: New file.
8766	* optinfo-emit-json.cc
8767	(selftest::test_building_json_from_dump_calls): Pass "true" for
8768	new param of temp_dump_context.
8769	* optinfo.cc (optinfo_kind_to_dump_flag): New function.
8770	(optinfo::emit_for_opt_problem): New function.
8771	(optinfo::emit): Clarity which emit_item is used.
8772	* optinfo.h (optinfo::get_dump_location): New accessor.
8773	(optinfo::emit_for_opt_problem): New decl.
8774	(optinfo::emit): Make const.
8775	* selftest-run-tests.c (selftest::run_tests): Call
8776	selftest::opt_problem_cc_tests.
8777	* selftest.h (selftest::opt_problem_cc_tests): New decl.
8778	* tree-data-ref.c (dr_analyze_innermost): Convert return type from
8779	bool to opt_result, converting fprintf messages to
8780	opt_result::failure_at calls.  Add "stmt" param for use by the
8781	failure_at calls.
8782	(create_data_ref): Pass "stmt" to the dr_analyze_innermost call.
8783	(runtime_alias_check_p): Convert return type from bool to
8784	opt_result, converting dump_printf calls to
8785	opt_result::failure_at, using the statement DDR_A for their
8786	location.
8787	(find_data_references_in_stmt): Convert return type from bool to
8788	opt_result, converting "return false" to opt_result::failure_at
8789	with a new message.
8790	* tree-data-ref.h: Include "opt-problem.h".
8791	(dr_analyze_innermost): Convert return type from bool to opt_result,
8792	and add a const gimple * param.
8793	(find_data_references_in_stmt): Convert return type from bool to
8794	opt_result.
8795	(runtime_alias_check_p): Likewise.
8796	* tree-predcom.c (find_looparound_phi): Pass "init_stmt" to
8797	dr_analyze_innermost.
8798	* tree-vect-data-refs.c (vect_mark_for_runtime_alias_test):
8799	Convert return type from bool to opt_result, adding a message for
8800	the PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS zero case.
8801	(vect_analyze_data_ref_dependence): Convert return type from bool
8802	to opt_result.  Change sense of return type from "false"
8803	effectively meaning "no problems" to "false" meaning a problem,
8804	so that "return false" becomes "return opt_result::success".
8805	Convert "return true" calls to opt_result::failure_at, using
8806	the location of statement A rather than vect_location.
8807	(vect_analyze_data_ref_dependences): Convert return type from bool
8808	to opt_result.
8809	(verify_data_ref_alignment): Likewise, converting dump_printf_loc
8810	calls to opt_result::failure_at, using the stmt location rather
8811	than vect_location.
8812	(vect_verify_datarefs_alignment): Convert return type from bool
8813	to opt_result.
8814	(vect_enhance_data_refs_alignment): Likewise.  Split local "stat"
8815	into multiple more-tightly-scoped copies.
8816	(vect_analyze_data_refs_alignment): Convert return type from bool
8817	to opt_result.
8818	(vect_analyze_data_ref_accesses): Likewise, converting a
8819	"return false" to a "return opt_result::failure_at", adding a
8820	new message.
8821	(vect_prune_runtime_alias_test_list): Convert return type from
8822	bool to opt_result, converting dump_printf_loc to
8823	opt_result::failure_at.  Add a %G to show the pertinent statement,
8824	and use the stmt's location rather than vect_location.
8825	(vect_find_stmt_data_reference): Convert return type from
8826	bool to opt_result, converting dump_printf_loc to
8827	opt_result::failure_at, using stmt's location.
8828	(vect_analyze_data_refs):  Convert return type from bool to
8829	opt_result.  Convert "return false" to "return
8830	opt_result::failure_at", adding messages as needed.
8831	* tree-vect-loop.c (vect_determine_vf_for_stmt_1): Convert return
8832	type from bool to opt_result.
8833	(vect_determine_vf_for_stmt): Likewise.
8834	(vect_determine_vectorization_factor): Likewise, converting
8835	dump_printf_loc to opt_result::failure_at, using location of phi
8836	rather than vect_location.
8837	(vect_analyze_loop_form_1): Convert return type from bool to
8838	opt_result, converting dump_printf_loc calls, retaining the use of
8839	vect_location.
8840	(vect_analyze_loop_form): Convert return type from loop_vec_info
8841	to opt_loop_vec_info.
8842	(vect_analyze_loop_operations): Convert return type from bool to
8843	opt_result, converting dump_printf_loc calls, using the location
8844	of phi/stmt rather than vect_location where available.  Convert
8845	various "return false" to "return opt_result::failure_at" with
8846	"unsupported phi" messages.
8847	(vect_get_datarefs_in_loop): Convert return type from bool to
8848	opt_result.  Add a message for the
8849	PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS failure.
8850	(vect_analyze_loop_2): Convert return type from bool to
8851	opt_result.  Ensure "ok" is set to a opt_result::failure_at before
8852	each "goto again;", adding new messages where needed.
8853	Add "unsupported grouped {store|load}" messages.
8854	(vect_analyze_loop): Convert return type from loop_vec_info to
8855	opt_loop_vec_info.
8856	* tree-vect-slp.c (vect_analyze_slp): Convert return type from
8857	bool to opt_result.
8858	* tree-vect-stmts.c (process_use): Likewise, converting
8859	dump_printf_loc call and using stmt location, rather than
8860	vect_location.
8861	(vect_mark_stmts_to_be_vectorized): Likeise.
8862	(vect_analyze_stmt): Likewise, adding a %G.
8863	(vect_get_vector_types_for_stmt): Convert return type from bool to
8864	opt_result, converting dump_printf_loc calls and using stmt
8865	location, rather than vect_location.
8866	(vect_get_mask_type_for_stmt): Convert return type from tree to
8867	opt_tree, converting dump_printf_loc calls and using stmt location.
8868	* tree-vectorizer.c: Include "opt-problem.h.
8869	(try_vectorize_loop_1): Flag "Analyzing loop at" dump message as
8870	MSG_PRIORITY_INTERNALS.  Convert local "loop_vinfo" from
8871	loop_vec_info to opt_loop_vec_info.  If if fails, and dumping is
8872	enabled, use it to report at the top level "couldn't vectorize
8873	loop" followed by the problem.
8874	* tree-vectorizer.h (opt_loop_vec_info): New typedef.
8875	(vect_mark_stmts_to_be_vectorized): Convert return type from bool
8876	to opt_result.
8877	(vect_analyze_stmt): Likewise.
8878	(vect_get_vector_types_for_stmt): Likewise.
8879	(tree vect_get_mask_type_for_stmt): Likewise.
8880	(vect_analyze_data_ref_dependences): Likewise.
8881	(vect_enhance_data_refs_alignment): Likewise.
8882	(vect_analyze_data_refs_alignment): Likewise.
8883	(vect_verify_datarefs_alignment): Likewise.
8884	(vect_analyze_data_ref_accesses): Likewise.
8885	(vect_prune_runtime_alias_test_list): Likewise.
8886	(vect_find_stmt_data_reference): Likewise.
8887	(vect_analyze_data_refs): Likewise.
8888	(vect_analyze_loop): Convert return type from loop_vec_info to
8889	opt_loop_vec_info.
8890	(vect_analyze_loop_form): Likewise.
8891	(vect_analyze_slp): Convert return type from bool to opt_result.
8892
88932018-10-04  David Malcolm  <dmalcolm@redhat.com>
8894
8895	* doc/invoke.texi (-fopt-info): Document new "internals"
8896	sub-option.
8897	* dump-context.h (dump_context::apply_dump_filter_p): New decl.
8898	* dumpfile.c (dump_options): Update for renaming of MSG_ALL to
8899	MSG_ALL_KINDS.
8900	(optinfo_verbosity_options): Add "internals".
8901	(kind_as_string): Update for renaming of MSG_ALL to MSG_ALL_KINDS.
8902	(dump_context::apply_dump_filter_p): New member function.
8903	(dump_context::dump_loc): Use apply_dump_filter_p rather than
8904	explicitly masking the dump_kind.
8905	(dump_context::begin_scope): Increment the scope depth first.  Use
8906	apply_dump_filter_p rather than explicitly masking the dump_kind.
8907	(dump_context::emit_item): Use apply_dump_filter_p rather than
8908	explicitly masking the dump_kind.
8909	(dump_dec): Likewise.
8910	(dump_hex): Likewise.
8911	(dump_switch_p_1): Default to MSG_ALL_PRIORITIES.
8912	(opt_info_switch_p_1): Default to MSG_PRIORITY_USER_FACING.
8913	(opt_info_switch_p): Update handling of default
8914	MSG_OPTIMIZED_LOCATIONS to cope with default of
8915	MSG_PRIORITY_USER_FACING.
8916	(dump_basic_block): Use apply_dump_filter_p rather than explicitly
8917	masking the dump_kind.
8918	(selftest::test_capture_of_dump_calls): Update test_dump_context
8919	instances to use MSG_ALL_KINDS | MSG_PRIORITY_USER_FACING rather
8920	than MSG_ALL.  Generalize scope test to be run at all four
8921	combinations of with/without MSG_PRIORITY_USER_FACING and
8922	MSG_PRIORITY_INTERNALS, adding examples of explicit priority
8923	for each of the two values.
8924	* dumpfile.h (enum dump_flag): Add comment about the MSG_* flags.
8925	Rename MSG_ALL to MSG_ALL_KINDS.  Add MSG_PRIORITY_USER_FACING,
8926	MSG_PRIORITY_INTERNALS, and MSG_ALL_PRIORITIES, updating the
8927	values for TDF_COMPARE_DEBUG and TDF_ALL_VALUES.
8928	(AUTO_DUMP_SCOPE): Add a note to the comment about the interaction
8929	with MSG_PRIORITY_*.
8930	* tree-vect-loop-manip.c (vect_loop_versioning): Mark versioning
8931	dump messages as MSG_PRIORITY_USER_FACING.
8932	* tree-vectorizer.h (DUMP_VECT_SCOPE): Add a note to the comment
8933	about the interaction with MSG_PRIORITY_*.
8934
89352018-10-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8936
8937	* varasm.c (output_constant): Add new parameter merge_strings.
8938	Make strings properly zero terminated in merge string sections.
8939	(mergeable_string_section): Don't fail if the last char is non-zero.
8940	(assemble_variable_contents): Handle merge string sections.
8941	(assemble_variable): Likewise.
8942	(assemble_constant_contents): Likewise.
8943	(output_constant_def_contents): Likewise.
8944	(output_constructor_array_range,
8945	output_constructor_regular_field): Adjust call to output_constant.
8946	(output_object_block): Adjust call to assemble_constant_contents
8947	and assemble_variable_contents.
8948
89492018-10-04  Martin Liska  <mliska@suse.cz>
8950
8951	PR c/87483
8952	* cgraphunit.c (process_function_and_variable_attributes):
8953	Warn about a function with alias attribute and a body.
8954
89552018-10-04  Martin Liska  <mliska@suse.cz>
8956
8957	PR ipa/82625
8958	* multiple_target.c (redirect_to_specific_clone): New function.
8959	(ipa_target_clone): Use it.
8960	* tree-inline.c: Fix comment.
8961
89622018-10-04  David Malcolm  <dmalcolm@redhat.com>
8963
8964	* dumpfile.c (gcc::dump_manager::dump_manager): Initialize new
8965	fields.
8966	(gcc::dump_manager::~dump_manager): Free m_optinfo_filename.
8967	(gcc::dump_manager::register_pass): New member function, adapted
8968	from loop body in gcc::pass_manager::register_pass, adding a
8969	call to update_dfi_for_opt_info.
8970	(gcc::dump_manager::opt_info_enable_passes): Store the
8971	-fopt-info options into the new fields.  Move the loop
8972	bodies into...
8973	(gcc::dump_manager::update_dfi_for_opt_info): ...this new member
8974	function.
8975	* dumpfile.h (struct opt_pass): New forward decl.
8976	(gcc::dump_manager::register_pass): New decl.
8977	(gcc::dump_manager::update_dfi_for_opt_info): New decl.
8978	(class gcc::dump_manager): Add fields "m_optgroup_flags",
8979	"m_optinfo_flags", and "m_optinfo_filename".
8980	* passes.c (gcc::pass_manager::register_pass): Move all of the
8981	dump-handling code to gcc::dump_manager::register_pass.
8982
89832018-10-04  Peter Bergner  <bergner@linux.ibm.com>
8984
8985	PR rtl-optimization/87466
8986	* target.def (setjmp_preserves_nonvolatile_regs_p): New target hook.
8987	* doc/tm.texi.in (TARGET_SETJMP_PRESERVES_NONVOLATILE_REGS_P): New hook.
8988	* doc/tm.texi: Regenerate.
8989	* ira-lives.c (process_bb_node_lives): Use the new target hook.
8990	* lra-lives.c (process_bb_lives): Likewise.
8991	* config/rs6000/rs6000.c (TARGET_SETJMP_PRESERVES_NONVOLATILE_REGS_P):
8992	Define.
8993
89942018-10-04  Tamar Christina  <tamar.christina@arm.com>
8995
8996	* params.c (add_params): Fix initialization.
8997
89982018-10-04  Martin Liska  <mliska@suse.cz>
8999
9000	PR gcov-profile/84107
9001	* tree-profile.c (init_ic_make_global_vars):
9002	Remove ic_void_ptr_var and ic_gcov_type_ptr_var.
9003	Come up with new ic_tuple* variables.  Emit
9004	__gcov_indirect_call{,_topn} variables.
9005	(gimple_gen_ic_profiler): Access the variable
9006	and emit gimple.
9007	(gimple_gen_ic_func_profiler): Access
9008	__gcov_indirect_call.callee field.
9009	(gimple_init_gcov_profiler): Use ptr_type_node.
9010	* value-prof.c (gimple_ic): Use ptr_type_node.
9011
90122018-10-04  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9013
9014	PR tree-optimization/85787
9015	* ipa-pure-const.c (malloc_candidate_p_1): Move most of
9016	malloc_candidate_p into this function and add support for
9017	detecting multiple phis.
9018	(DUMP_AND_RETURN): Move from malloc_candidate_p into top-level macro.
9019
90202018-10-04  Martin Liska  <mliska@suse.cz>
9021
9022	PR ipa/87491
9023	* ipa-inline.c (inline_to_all_callers_1):
9024	Call ultimate_alias_target for node being inlined.
9025
90262018-10-03  Jeff Law  <law@redhat.com>
9027
9028	* gimple-ssa-sprintf.c (format_string): Do not hardcode size of
9029	target's wchar_t.
9030	* tree.c (get_typenode_from_name): Moved from fortran/trans-types.c.
9031	* tree.h (get_typenode_from_name): Prototype.
9032
90332018-10-03  Uros Bizjak  <ubizjak@gmail.com>
9034
9035	* config/i386/i386.md (*cmp<X87MODEF:mode>_<SWI24:mode>_i387):
9036	Change operand 2 predicate to nonimmediate_operand.
9037	(*cmp<X87MODEF:mode>_<SWI24:mode>_cc_i387): Ditto.
9038
90392018-10-03  Martin Sebor  <msebor@redhat.com>
9040	    Jeff Law  <law@redhat.com>
9041
9042	* gimple-ssa-sprintf.c (struct fmtresult): Add new member and
9043	initialize it.
9044	(get_string_length): Detect unterminated arrays.
9045	(format_string): Same.
9046	(format_directive): Warn about unterminated arrays.
9047	(handle_gimple_call): Mark statements with no_warning as needed.
9048
90492018-10-03  Jim Wilson  <jimw@sifive.com>
9050
9051	* config/riscv/riscv-c.c (riscv_cpu_cpp_builtins): For ABI_ILP32E,
9052	also define __riscv_abi_rve.  Delete trailing white space.
9053
90542018-10-03  Paul Koning  <ni1d@arrl.net>
9055
9056	Enable LRA register allocator for PDP11.
9057	* config/pdp11/constraints.md (Q): Use define_memory_constraint.
9058	(R): Likewise.
9059	(D): Likewise.
9060	* config/pdp11/pdp11.c (pdp11_lra_p): New function.
9061	* config/pdp11/pdp11.opt (-mlra): New option.
9062	* doc/invoke.texi (PDP-11 Options): Document -mlra.
9063
90642018-10-03  Uros Bizjak  <ubizjak@gmail.com>
9065
9066	* config/i386/i386.md (*<absneg:code>extendsfdf2): Remove.
9067	(*<absneg:code>extend<mode>xf2): Ditto.
9068
90692018-10-03  Aldy Hernandez  <aldyh@redhat.com>
9070
9071	PR tree-optimization/87415
9072	* tree-vrp.c (set_value_range_with_overflow): Special case one bit
9073	precision fields.
9074
90752018-10-02  Jeff Law  <law@redhat.com>
9076
9077	* gimple-fold.c (get_range_strlen): Only set *nonstr when
9078	an unterminated string is discovered.  Bubble up range
9079	even for unterminated strings.
9080	(gimple_fold_builtin_strlen): Do not fold if get_range_strlen
9081	indicates the string was not terminated via NONSTR.
9082
90832018-10-03  Aldy Hernandez  <aldyh@redhat.com>
9084
9085	* tree-vrp.c (extract_range_from_unary_expr): Special case all
9086	pointer conversions.
9087	Do not do anything special for anti-ranges.
9088
90892018-10-03  Jérôme Lambourg  <lambourg@adacore.com>
9090
9091	* config/arm/vxworks.h (ARM_TARGET2_DWARF_FORMAT): Adjust to
9092	DW_EH_PE_pcrel | DW_EH_PE_indirect for RTPs.
9093
90942018-10-03  Martin Liska  <mliska@suse.cz>
9095
9096	PR gcov-profile/86109
9097	* coverage.c (coverage_begin_function): Do not
9098	mark lambdas as artificial.
9099	* tree-core.h (struct GTY): Remove tm_clone_flag
9100	and introduce new lambda_function.
9101	* tree.h (DECL_LAMBDA_FUNCTION): New macro.
9102
91032018-10-02  Aaron Sawdey  <acsawdey@linux.ibm.com>
9104
9105	PR target/87474
9106	* config/rs6000/rs6000-string.c (expand_strn_compare): Check that both
9107	P8_VECTOR and VSX are enabled.
9108
91092018-10-02  Andreas Krebbel  <krebbel@linux.ibm.com>
9110
9111	* config/s390/driver-native.c (s390_host_detect_local_cpu): Add
9112	0x3907 as CPU model number.
9113
91142018-10-02  Andreas Krebbel  <krebbel@linux.ibm.com>
9115
9116	* common/config/s390/s390-common.c: Rename PF_ARCH12 to PF_Z14.
9117	* config/s390/s390.h (enum processor_flags): Rename PF_ARCH12 to
9118	PF_Z14.  Rename TARGET_CPU_ARCH12 to TARGET_CPU_Z14,
9119	TARGET_CPU_ARCH12_P to TARGET_CPU_Z14_P, TARGET_ARCH12 to
9120	TARGET_Z14, and TARGET_ARCH12_P to TARGET_Z14_P.
9121	* config/s390/s390.md: Likewise. Rename also the cpu attribute
9122	value from arch12 to z14.
9123
91242018-10-02  Uros Bizjak  <ubizjak@gmail.com>
9125
9126	* config/i386/i386.md (fxam<mode>2_i387_with_temp): Remove.
9127	(isinfxf2): Ditto.
9128	(isinf<mode>2): Ditto.
9129
91302018-10-02  Uros Bizjak  <ubizjak@gmail.com>
9131
9132	* config/i386/i386.c (ix86_emit_i387_round): Extend op1 to XFmode
9133	before emitting fxam.  Perform calculations in XFmode.
9134
91352018-10-02  Marc Glisse  <marc.glisse@inria.fr>
9136
9137	* match.pd (((X /[ex] A) +- B) * A): New transformation.
9138
91392018-10-02  Marc Glisse  <marc.glisse@inria.fr>
9140
9141	PR middle-end/87319
9142	* fold-const.c (fold_plusminus_mult_expr): Handle complex and vectors.
9143	* tree.c (signed_or_unsigned_type_for): Handle complex.
9144
91452018-10-02  Jeff Law  <law@redhat.com>
9146
9147	* gimple-fold.c (get_range_strlen): Remove dead code.
9148
91492018-10-02  Martin Sebor  <msebor@redhat.com>
9150	    Jeff Law  <law@redhat.com>
9151
9152	* builtins.c (unterminated_array): Add new arguments.
9153	If argument is not terminated, bubble up size and exact
9154	state to callers.
9155	(expand_builtin_strnlen): Detect, avoid expanding
9156	and diagnose unterminated arrays.
9157	(c_strlen): Fill in offset of start of unterminated strings.
9158	* builtins.h (unterminated_array): Update prototype.
9159
91602018-10-02  Richard Biener  <rguenther@suse.de>
9161
9162	* config/i386/sse.md (reduc_plus_scal_v4df): Avoid the use
9163	of haddv4df, first reduce to SSE width and exploit the fact
9164	that we only need element zero with the reduction result.
9165	(reduc_plus_scal_v2df): Likewise.
9166
91672018-10-02  Eric Botcazou  <ebotcazou@adacore.com>
9168
9169	* dojump.h (do_jump): Delete.
9170	(do_jump_1): Likewise.
9171	(split_comparison): Move around.
9172	* dojump.c (do_jump): Make static.
9173	(do_jump_1): Likewise.
9174	(jumpifnot): Move around.
9175	(jumpifnot_1): Likewise.
9176	(jumpif): Likewise.
9177	(jumpif_1): Likewise.
9178	* expr.c (expand_expr_real_1): Call jumpif[not] instead of do_jump.
9179
91802018-10-02  Eric Botcazou  <ebotcazou@adacore.com>
9181
9182	* reorg.c (make_return_insns): Use emit_copy_of_insn_after for the
9183	insns in the delay slot and add_insn_after for the jump insn.
9184
91852018-10-02  Richard Biener  <rguenther@suse.de>
9186
9187	* tree-inline.c (expand_call_inline): Use the location of
9188	the callee declaration for the inline-entry marker.
9189	* final.c (notice_source_line): Remove special-casing of
9190	NOTE_INSN_INLINE_ENTRY.
9191
91922018-10-01  Carl Love  <cel@us.ibm.com>
9193
9194	PR 69431
9195	* config/rs6000/rs6000-builtin.def (__builtin_mffsl): New.
9196	(__builtin_mtfsb0): New.
9197	(__builtin_mtfsb1): New.
9198	( __builtin_set_fpscr_rn): New.
9199	(__builtin_set_fpscr_drn): New.
9200	* config/rs6000/rs6000.c (rs6000_expand_mtfsb_builtin): Add.
9201	(rs6000_expand_set_fpscr_rn_builtin): Add.
9202	(rs6000_expand_set_fpscr_drn_builtin): Add.
9203	(rs6000_expand_builtin): Add case statement entries for
9204	RS6000_BUILTIN_MTFSB0, RS6000_BUILTIN_MTFSB1,
9205	RS6000_BUILTIN_SET_FPSCR_RN, RS6000_BUILTIN_SET_FPSCR_DRN,
9206	RS6000_BUILTIN_MFFSL.
9207	(rs6000_init_builtins): Add ftype initialization and def_builtin
9208	calls for __builtin_mffsl, __builtin_mtfsb0, __builtin_mtfsb1,
9209	__builtin_set_fpscr_rn, __builtin_set_fpscr_drn.
9210	* config/rs6000.md (rs6000_mtfsb0, rs6000_mtfsb1, rs6000_mffscrn,
9211	rs6000_mffscdrn): Add define_insn.
9212	(rs6000_set_fpscr_rn, rs6000_set_fpscr_drn): Add define_expand.
9213	* doc/extend.texi: Add documentation for the builtins.
9214
92152018-10-01  Richard Biener  <rguenther@suse.de>
9216
9217	PR tree-optimization/87465
9218	* tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix typo
9219	causing branch miscounts.
9220
92212018-10-01  Tamar Christina  <tamar.christina@arm.com>
9222
9223	* common/config/aarch64/aarch64-common.c (TARGET_OPTION_DEFAULT_PARAM,
9224	aarch64_option_default_param):	New.
9225	(params.h): Include.
9226	(TARGET_OPTION_VALIDATE_PARAM, aarch64_option_validate_param): New.
9227	* config/aarch64/aarch64.c (aarch64_override_options_internal): Simplify
9228	stack-clash protection validation code.
9229
92302018-10-01  Tamar Christina  <tamar.christina@arm.com>
9231
9232	* params.c (validate_param): New.
9233	(add_params): Use it.
9234	(set_param_value): Refactor param validation into validate_param.
9235	(diagnostic.h): Include.
9236	* diagnostic.h (diagnostic_ready_p): New.
9237
92382018-10-01  Tamar Christina  <tamar.christina@arm.com>
9239
9240	* params.c (set_param_value):
9241	Add index of parameter being validated.
9242	* common/common-target.def (option_validate_param): New.
9243	* common/common-targhooks.h (default_option_validate_param): New.
9244	* common/common-targhooks.c (default_option_validate_param): New.
9245	* doc/tm.texi.in (TARGET_OPTION_VALIDATE_PARAM): New.
9246	* doc/tm.texi: Regenerate.
9247
92482018-10-01  Tamar Christina  <tamar.christina@arm.com>
9249
9250	PR target/86486
9251	* config/aarch64/aarch64.c (aarch64_override_options_internal):
9252	Add validation for stack-clash parameters and set defaults.
9253
92542018-10-01  Tamar Christina  <tamar.christina@arm.com>
9255
9256	PR target/86486
9257	* configure.ac: Add stack-clash-protection-guard-size.
9258	* doc/install.texi: Document it.
9259	* config.in (DEFAULT_STK_CLASH_GUARD_SIZE): New.
9260	* params.def: Update comment for guard-size.
9261	(PARAM_STACK_CLASH_PROTECTION_GUARD_SIZE,
9262	PARAM_STACK_CLASH_PROTECTION_PROBE_INTERVAL): Update description.
9263	* configure: Regenerate.
9264
92652018-10-01  Tamar Christina  <tamar.christina@arm.com>
9266
9267	PR target/86486
9268	* config/aarch64/aarch64.h (STACK_CLASH_MIN_BYTES_OUTGOING_ARGS,
9269	STACK_DYNAMIC_OFFSET): New.
9270	* config/aarch64/aarch64.c (aarch64_layout_frame):
9271	Update outgoing args size.
9272	(aarch64_stack_clash_protection_alloca_probe_range,
9273	TARGET_STACK_CLASH_PROTECTION_ALLOCA_PROBE_RANGE): New.
9274
92752018-10-01  Tamar Christina  <tamar.christina@arm.com>
9276
9277	PR target/86486
9278	* explow.c (anti_adjust_stack_and_probe_stack_clash): Support custom
9279	probe ranges.
9280	* target.def (stack_clash_protection_alloca_probe_range): New.
9281	(stack_clash_protection_final_dynamic_probe): Remove.
9282	* targhooks.h (default_stack_clash_protection_alloca_probe_range) New.
9283	(default_stack_clash_protection_final_dynamic_probe): Remove.
9284	* targhooks.c: Likewise.
9285	* doc/tm.texi.in (TARGET_STACK_CLASH_PROTECTION_ALLOCA_PROBE_RANGE): New.
9286	(TARGET_STACK_CLASH_PROTECTION_FINAL_DYNAMIC_PROBE): Remove.
9287	* doc/tm.texi: Regenerate.
9288
92892018-10-01  Tamar Christina  <tamar.christina@arm.com>
9290
9291	PR target/86486
9292	* config/aarch64/aarch64-protos.h (aarch64_output_probe_sve_stack_clash): New.
9293	* config/aarch64/aarch64.c (aarch64_output_probe_sve_stack_clash,
9294	aarch64_clamp_to_uimm12_shift): New.
9295	(aarch64_allocate_and_probe_stack_space): Add SVE specific section.
9296	* config/aarch64/aarch64.md (probe_sve_stack_clash): New.
9297
92982018-10-01  Tamar Christina  <tamar.christina@arm.com>
9299
9300	PR target/86486
9301	* config/aarch64/aarch64.c (aarch64_layout_frame): Add assert.
9302
93032018-10-01  Jeff Law  <law@redhat.com>
9304	    Richard Sandiford  <richard.sandiford@linaro.org>
9305	    Tamar Christina  <tamar.christina@arm.com>
9306
9307	PR target/86486
9308	* config/aarch64/aarch64.md
9309	(probe_stack_range): Add k (SP) constraint.
9310	* config/aarch64/aarch64.h (STACK_CLASH_CALLER_GUARD,
9311	STACK_CLASH_MAX_UNROLL_PAGES): New.
9312	* config/aarch64/aarch64.c (aarch64_output_probe_stack_range): Emit
9313	stack probes for stack clash.
9314	(aarch64_allocate_and_probe_stack_space): New.
9315	(aarch64_expand_prologue): Use it.
9316	(aarch64_expand_epilogue): Likewise and update IP regs re-use criteria.
9317	(aarch64_sub_sp): Add emit_move_imm optional param.
9318
93192018-10-01  MCC CS  <deswurstes@users.noreply.github.com>
9320
9321	PR tree-optimization/87261
9322	* match.pd: Remove trailing whitespace.
9323	Add (x & y) | ~(x | y) -> ~(x ^ y),
9324	(~x | y) ^ (x ^ y) -> x | ~y and (x ^ y) | ~(x | y) -> ~(x & y)
9325
93262018-10-01  Claudiu Zissulescu  <claziss@synopsys.com>
9327
9328	* config/arc/arc.md (*add_n): Clean up pattern, update instruction
9329	constraints.
9330	(ashlsi3_insn): Update instruction constraints.
9331	(ashrsi3_insn): Likewise.
9332	(rotrsi3): Likewise.
9333	(add_shift): Likewise.
9334	* config/arc/constraints.md (Csz): New 32 bit constraint. It
9335	avoids placing in the limm field small constants which, otherwise,
9336	could end into a small instruction.
9337
93382018-10-01  Claudiu Zissulescu  <claziss@synopsys.com>
9339
9340	* config/arc/arc.md (maddsidi4_split): Don't use dmac if the
9341	destination register is not odd-even.
9342	(umaddsidi4_split): Likewise.
9343
93442018-10-01  Richard Biener  <rguenther@suse.de>
9345
9346	* tree-inline.c (expand_call_inline): Store origin of fn
9347	in BLOCK_ABSTRACT_ORIGIN for the inline BLOCK.
9348	* tree.c (block_ultimate_origin): Simplify and do some
9349	checking.
9350
93512018-09-30  Uros Bizjak  <ubizjak@gmail.com>
9352
9353	* config/i386/mmx.md (EMMS): New int iterator.
9354	(emms): New int attribute.
9355	(mmx_<emms>): Macroize insn from *mmx_emms and *mmx_femms using
9356	EMMS int iterator.  Explicitly declare clobbers.
9357	(mmx_emms): Remove expander.
9358	(mmx_femms): Ditto.
9359	* config/i386/predicates.md (emms_operation): Remove predicate.
9360	(vzeroall_pattern): New predicate.
9361	(vzeroupper_pattern): Rename from vzeroupper_operation.
9362	* config/i386/i386.c (ix86_avx_u128_mode_after): Use
9363	vzeroupper_pattern and vzeroall_pattern predicates.
9364
93652018-09-30  Peter Bergner  <bergner@linux.ibm.com>
9366
9367	PR rtl-optimization/86939
9368	* ira-lives.c (make_hard_regno_born): Rename from this...
9369	(make_hard_regno_live): ... to this.  Remove update to conflict
9370	information.  Update function comment.
9371	(make_hard_regno_dead): Add conflict information update.  Update
9372	function comment.
9373	(make_object_born): Rename from this...
9374	(make_object_live): ... to this.  Remove update to conflict information.
9375	Update function comment.
9376	(make_object_dead):  Add conflict information update.  Update function
9377	comment.
9378	(mark_pseudo_regno_live): Call make_object_live.
9379	(mark_pseudo_regno_subword_live): Likewise.
9380	(mark_hard_reg_dead): Update function comment.
9381	(mark_hard_reg_live): Call make_hard_regno_live.
9382	(process_bb_node_lives): Likewise.
9383	* lra-lives.c (make_hard_regno_born): Rename from this...
9384	(make_hard_regno_live): ... to this.  Remove update to conflict
9385	information.  Remove now uneeded check_pic_pseudo_p argument.
9386	Update function comment.
9387	(make_hard_regno_dead): Add check_pic_pseudo_p argument and add update
9388	to conflict information.  Update function comment.
9389	(mark_pseudo_live): Remove update to conflict information.  Update
9390	function comment.
9391	(mark_pseudo_dead): Add conflict information update.
9392	(mark_regno_live): Call make_hard_regno_live.
9393	(mark_regno_dead): Call make_hard_regno_dead with new arguement.
9394	(process_bb_lives): Call make_hard_regno_live and make_hard_regno_dead.
9395
93962018-09-29  H.J. Lu  <hongjiu.lu@intel.com>
9397
9398	PR target/87370
9399	* config/i386/i386.c (construct_container): Use TImode for
9400	BLKmode values in 2 integer registers.
9401
94022018-09-29  Jeff Law  <law@redhat.com>
9403
9404	* builtins.c (unterminated_array): Pass in c_strlen_data * to
9405	c_strlen rather than just a tree *.
9406	(c_strlen): Change NONSTR argument to a c_strlen_data pointer.
9407	Update recursive calls appropriately.  If caller did not provide a
9408	suitable data pointer, create a local one.  When a non-terminated
9409	string is discovered, bubble up information about the string via the
9410	c_strlen_data object.
9411	* builtins.h (c_strlen): Update prototype.
9412	(c_strlen_data): New structure.
9413	* gimple-fold.c (get_range_strlen): Update calls to c_strlen.
9414	For a type 2 call, if c_strlen indicates a non-terminated string
9415	use the length of the non-terminated string.
9416	(gimple_fold_builtin_stpcpy): Update calls to c_strlen.
9417
94182018-09-29  Jakub Jelinek  <jakub@redhat.com>
9419
9420	PR target/87467
9421	* config/i386/avx512fintrin.h (_mm512_abs_pd, _mm512_mask_abs_pd): Use
9422	__m512d type for __A argument rather than __m512.
9423
94242018-09-28  John David Anglin  <danglin@gcc.gnu.org>
9425
9426	* match.pd (simple_comparison): Don't optimize if either operand is
9427	a function pointer when target needs function pointer canonicalization.
9428
94292018-09-28  Segher Boessenkool  <segher@kernel.crashing.org>
9430
9431	* config/rs6000/driver-rs6000.c (asm_names): Adjust the entries for
9432	power5 .. power9 to remove indirection.
9433	* config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC, ASM_CPU_POWER6_SPEC,
9434	ASM_CPU_POWER7_SPEC, ASM_CPU_POWER8_SPEC, ASM_CPU_POWER9_SPEC,
9435	ASM_CPU_476_SPEC): Delete.
9436	(ASM_CPU_SPEC): Adjust.
9437	(EXTRA_SPECS): Delete asm_cpu_power5, asm_cpu_power6, asm_cpu_power7,
9438	asm_cpu_power8, asm_cpu_power9, asm_cpu_476.
9439
94402018-09-28  Segher Boessenkool  <segher@kernel.crashing.org>
9441
9442	* config.in: Delete HAVE_AS_DCI.
9443	* config/powerpcspe/powerpcspe.h: Treat HAVE_AS_DCI as always true.
9444	* config/rs6000/rs6000.h: Ditto.
9445	* configure.ac: Delete HAVE_AS_DCI.
9446	* configure: Regenerate.
9447
94482018-09-28  Segher Boessenkool  <segher@kernel.crashing.org>
9449
9450	* config.in (HAVE_AS_LWSYNC): Delete.
9451	* config/powerpcspe/powerpcspe.h (TARGET_LWSYNC_INSTRUCTION): Delete.
9452	* config/powerpcspe/sync.md (*lwsync): Always generate lwsync, never
9453	do it as a .long .
9454	* config/rs6000/rs6000.h (TARGET_LWSYNC_INSTRUCTION): Delete.
9455	* config/rs6000/sync.md (*lwsync): Always generate lwsync, never do it
9456	as a .long .
9457	* configure.ac: Delete HAVE_AS_LWSYNC.
9458	* configure: Regenerate.
9459
94602018-09-28  Eric Botcazou  <ebotcazou@adacore.com>
9461	    Pierre-Marie de Rodat  <derodat@adacore.com>
9462
9463	* calls.c (expand_call): Try to do a tail call for thunks at -O0 too.
9464	* cgraph.h (struct cgraph_thunk_info): Add indirect_offset.
9465	(cgraph_node::create_thunk): Add indirect_offset parameter.
9466	(thunk_adjust): Likewise.
9467	* cgraph.c (cgraph_node::create_thunk): Add indirect_offset parameter
9468	and initialize the corresponding field with it.
9469	(cgraph_node::dump): Dump indirect_offset field.
9470	* cgraphclones.c (duplicate_thunk_for_node): Deal with indirect_offset.
9471	* cgraphunit.c (cgraph_node::analyze): Be prepared for external thunks.
9472	(thunk_adjust): Add indirect_offset parameter and deal with it.
9473	(cgraph_node::expand_thunk): Deal with the indirect_offset field and
9474	pass it to thunk_adjust.  Do not call the target hook if it's non-zero
9475	or if the thunk is external or local.  Fix formatting.  Do not chain
9476	the RESULT_DECL to BLOCK_VARS.  Pass the static chain to the target,
9477	if any, in the GIMPLE representation.
9478	* ipa-icf.c (sem_function::equals_wpa): Deal with indirect_offset.
9479	* lto-cgraph.c (lto_output_node): Write indirect_offset field.
9480	(input_node): Read indirect_offset field.
9481	* tree-inline.c (expand_call_inline): Pass indirect_offset field in the
9482	call to thunk_adjust.
9483	* tree-nested.c (struct nesting_info): Add thunk_p field.
9484	(create_nesting_tree): Set it.
9485	(convert_all_function_calls): Copy static chain from targets to thunks.
9486	(finalize_nesting_tree_1): Return early for thunks.
9487	(unnest_nesting_tree_1): Do not finalize thunks.
9488	(gimplify_all_functions): Do not gimplify thunks.
9489
94902018-09-28  David Malcolm  <dmalcolm@redhat.com>
9491
9492	* opt-suggestions.c (option_proposer::build_option_suggestions):
9493	Release	"option_values".
9494
94952018-09-28  David Malcolm  <dmalcolm@redhat.com>
9496
9497	* coverage.c (get_coverage_counts): Convert problem-reporting dump
9498	messages from MSG_OPTIMIZED_LOCATIONS to MSG_MISSED_OPTIMIZATION.
9499	* dumpfile.c (kind_as_string): New function.
9500	(dump_loc): Rather than a hardcoded prefix of "note: ", use
9501	kind_as_string to vary the prefix based on dump_kind.
9502	(selftest::test_capture_of_dump_calls): Update for above.
9503
95042018-09-28  Uros Bizjak  <ubizjak@gmail.com>
9505
9506	* config/i386/i386.h (SSE_REGNO): Fix check for FIRST_REX_SSE_REG.
9507	(GET_SSE_REGNO): Rename from SSE_REGNO.  Update all uses for rename.
9508
95092018-09-28  Uros Bizjak  <ubizjak@gmail.com>
9510
9511	* config/i386/i386.h (CC_REGNO): Remove FPSR_REG.
9512	* config/i386/i386.c (ix86_fixed_condition_code_regs): Use
9513	INVALID_REGNUM instead of FPSR_REG.
9514	(ix86_md_asm_adjust): Do not clobber FPSR_REG.
9515	* config/i386/i386.md: Update comment of FP compares.
9516	(fldenv): Do not clobber FPSR_REG.
9517
95182018-09-28  Richard Biener  <rguenther@suse.de>
9519
9520	* tree.h (BLOCK_ORIGIN): New.
9521	* omp-expand.c (grid_expand_target_grid_body): Assign
9522	BLOCK_ORIGIN to BLOCK_ABSTRACT_ORIGIN.
9523	* tree-inline.c (remap_block): Likewise.
9524	* auto-profile.c (get_function_decl_from_block): Simplify
9525	by eliding the BLOCK_ABSTRACT_ORIGIN chasing.
9526	* langhooks.c (lhd_print_error_function): Likewise.
9527	* optinfo-emit-json.cc (optrecord_json_writer::inlining_chain_to):
9528	Likewise.
9529	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
9530	* tree.c (block_nonartificial_location): Likewise.
9531	(block_ultimate_origin): Likewise.
9532	* tree-pretty-print.c (percent_K_format): Likewise.  Remove
9533	no longer needed LTO case.
9534
95352018-09-28  Andrew Stubbs  <ams@codesourcery.com>
9536	    Jan Hubicka  <jh@suse.cz>
9537	    Martin Jambor  <mjambor@suse.cz>
9538
9539	* simplify-rtx.c (simplify_merge_mask): New function.
9540	(simplify_ternary_operation): Use it, also see if VEC_MERGEs with the
9541	same masks are used in op1 or op2.
9542	(test_vec_merge): New function.
9543	(test_vector_ops): Call test_vec_merge.
9544
95452018-09-28  Eric Botcazou  <ebotcazou@adacore.com>
9546
9547	* config/sparc/sparc-protos.h (sparc_branch_cost): Declare.
9548	* config/sparc/sparc.h (BRANCH_COST): Call sparc_branch_cost.
9549	* config/sparc/sparc.c (struct processor_costs): Add branch_cost field.
9550	(cypress_costs): Set it.
9551	(supersparc_costs): Likewise.
9552	(hypersparc_costs): Likewise.
9553	(leon_cost): Likewise.
9554	(leon3_costs): Likewise.
9555	(sparclet_costs): Likewise.
9556	(ultrasparc_costs): Likewise.
9557	(ultrasparc_costs): Likewise.
9558	(niagara_costs): Likewise.
9559	(niagara2_costs): Likewise.
9560	(niagara3_costs): Likewise.
9561	(niagara4_costs): Likewise.
9562	(niagara7_costs): Likewise.
9563	(m8_costs): Likewise.
9564	(TARGET_CAN_FOLLOW_JUMP): Define.
9565	(pass_work_around_errata::gate): Minor tweak.
9566	(sparc_option_override): Remove MASK_FSMULD mask for V7 processors.
9567	Do not set both MASK_VIS4 and MASK_VIS4B for M8 processor.
9568	Automaitcally clear MASK_FSMULD mask for V7 processors.
9569	(sparc_can_follow_jump): New static function.
9570	(output_ubranch): Deal with CROSSING_JUMP_P.
9571	(sparc_use_sched_lookahead): Rewrite using switch statement.
9572	(sparc_issue_rate): Reorder.
9573	(sparc_branch_cost): New function.
9574
95752018-09-27  Martin Sebor  <msebor@redhat.com>
9576
9577	* tree.h (tree_to_shwi): Add attribute nonnull and pure.
9578	(tree_to_poly_int64, tree_to_uhwi, tree_to_poly_uint64): Same.
9579	(int_fits_type_p): Same.
9580
95812018-09-27  Uros Bizjak  <ubizjak@gmail.com>
9582
9583	* config/i386/i386.md (FPCR_REG): Remove.
9584	(UNSPEC_FLDCW): Remove.
9585	(x86_fnstcw_1): Use (const_int 0) instead of FPCR_REG.
9586	(x86_fldcw_1): Remove insn pattern.
9587	(fnstenv): Do not clobber FPCR_REG.
9588	(fldenv): Ditto.
9589	* config/i386/i386.h (FIXED_REGISTERS) Remove fpsr register.
9590	(CALL_USED_REGISTERS): Ditto.
9591	(REG_ALLOC_ORDER): Ditto.
9592	(REG_CLASS_CONTENTS): Ditto.
9593	(HI_REGISTER_NAMES): Ditto.
9594	(ADDITIONAL_REGISTER_NAMES): Use defines instead
9595	of numerical constants.
9596	* config/i386/i386.c (regclass_map): Remove fpsr register.
9597	(dbx_register_map): Ditto.
9598	(dbx64_register_map): Ditto.
9599	(svr4_dbx_register_map): Ditto.
9600	(print_reg): Do not handle FPCR_REG.
9601
96022018-09-27  Segher Boessenkool  <segher@kernel.crashing.org>
9603
9604	PR target/87149
9605	* config.in (HAVE_AS_CMPB, HAVE_AS_DFP, HAVE_AS_FPRND, HAVE_AS_MFPGPR,
9606	HAVE_AS_POPCNTB, HAVE_AS_POPCNTD, HAVE_AS_POWER8, HAVE_AS_POWER9):
9607	Delete, always treat as true.
9608	* config/powerpcspe/powerpcspe.c (rs6000_option_override_internal):
9609	Ditto.  Simplify remaining code.
9610	* config/powerpcspe/powerpcspe.h: Ditto.
9611	* config/rs6000/rs6000.c (rs6000_option_override_internal): Ditto.
9612	Simplify remaining code.
9613	(rs6000_expand_builtin): Ditto.
9614	* config/rs6000/rs6000.h: Ditto.
9615	* configure.ac: Ditto.
9616	* configure: Regenerate.
9617
96182018-09-27  Martin Liska  <mliska@suse.cz>
9619
9620	* coverage.c (get_coverage_counts): Revert the formatting
9621	of missing profile opt info.
9622
96232018-09-27  Richard Biener  <rguenther@suse.de>
9624
9625	PR debug/37801
9626	PR debug/87440
9627	* dwarf2out.c (set_block_origin_self): Do not mark outermost
9628	block as we do not output that.
9629	(gen_inlined_subroutine_die): Elide the originally outermost
9630	block, matching what we do for concrete instances.
9631	(decls_for_scope): Add parameter specifying whether to recurse
9632	to subblocks.
9633
96342018-09-27  Andrew Stubbs  <ams@codesourcery.com>
9635	    Tom de Vries  <tom@codesourcery.com>
9636
9637	PR 82089
9638
9639	* expmed.c (emit_cstore): Fix handling of result_mode == BImode and
9640	STORE_FLAG_VALUE == 1.
9641
96422018-09-27  Andreas Krebbel  <krebbel@linux.ibm.com>
9643
9644	* config/s390/s390.md (PPA_TX_ABORT, PPA_OOO_BARRIER): New
9645	constant definitions.
9646	("tx_assist"): Replace magic number with PPA_TX_ABORT.
9647	("*ppa"): Enable pattern also for -march=zEC12 -mno-htm.
9648	("speculation_barrier"): New expander definition.
9649
96502018-09-26  Indu Bhagat  <indu.bhagat@oracle.com>
9651
9652	PR gcov-profile/86957
9653	* common.opt: New warning option -Wmissing-profile.
9654	* coverage.c (get_coverage_counts): Add warning for missing .gcda file.
9655	* doc/invoke.texi: Document -Wmissing-profile.
9656
96572018-09-26  Jim Wilson  <jimw@sifive.com>
9658
9659	* config/riscv/riscv.md (subsi3_extended2): Add J constraint.
9660	(negdi2, negsi2, negsi2_extended, negsi2_extended2): New.
9661
96622018-09-26  Martin Sebor  <msebor@redhat.com>
9663
9664	* tree.c (zerop): Change return type to bool.
9665	(integer_zerop, integer_onep, integer_each_onep): Same.
9666	(integer_all_onesp, integer_minus_onep, integer_pow2p): Same.
9667	(integer_nonzerop, integer_truep, tree_ctz, real_zerop): Same.
9668	(real_onep, real_minus_onep, chain_index): Same.
9669	(print_type_hash_statistics, type_list_equal): Same.
9670	* tree.h (zerop): Same.
9671	(zerop, integer_zerop, integer_onep, integer_each_onep): Same.
9672	(integer_all_onesp, integer_minus_onep, integer_pow2p): Same.
9673	(integer_nonzerop, integer_truep, tree_ctz, real_zerop): Same.
9674	(real_onep, real_minus_onep, chain_index): Same.
9675	(print_type_hash_statistics, type_list_equal): Same.
9676
96772018-09-26  Jim Wilson  <jimw@sifive.com>
9678
9679	* config/riscv/riscv.h (FUNCTION_ARG_REGNO_P): Fix comment.
9680
96812018-09-26  Jakub Jelinek  <jakub@redhat.com>
9682
9683	PR target/87414
9684	* config/i386/i386.c: Include debug.h and dwarf2out.h.
9685	(output_indirect_thunk): Emit DW_CFA_def_cfa_offset after the
9686	call.
9687
96882018-09-25  Andrew Stubbs  <ams@codesourcery.com>
9689
9690	* builtins.c (get_builtin_sync_mem): Force address mode conversion.
9691
96922018-09-26  Uros Bizjak  <ubizjak@gmail.com>
9693
9694	* config/i386/i386.h (enum reg_class): Remove FP_TOP_SSE_REGS
9695	and FP_SECOND_SSE_REGS.
9696	(REG_CLASS_NAMES): Ditto.
9697	(REG_CLASS_CONTENTS): Ditto.
9698	* config/i386/i386.c (ix86_preferred_reload_class) Do not handle
9699	FP_TOP_SSE_REGS and FP_SECOND_SSE_REGS classes.
9700	(ix86_preferred_output_reload_class): Ditto.
9701	* config/i386/i386.md (fix_trunc<mode>_i387_fisttp): Change "=&1f"
9702	clobber constraint to "=&f".
9703	(fix_truncdi_i387): Ditto.
9704	(lrintxfdi2): Ditto.
9705	(fistdi2_<rounding>): Ditto.
9706	(fpremxf4_i387): Change "=u" constraint to "=f".
9707	(fprem1xf4_i387): Ditto.
9708	(sincosxf3): Ditto.
9709	(fptanxf4_i387): Ditto.
9710	(fxtractxf3_i387): Ditto.
9711	(fscalexf4_i387): Ditto.
9712	(atan2xf3): Change "u" constraint to "f".
9713	(fyl2xxf3_i387): Ditto.
9714	(fyl2xp1xf3_i387): Ditto.
9715
97162018-09-26  Uros Bizjak  <ubizjak@gmail.com>
9717
9718	PR target/87439
9719	* config/i386/i386.h (NUM_MODES_FOR_MODE_SWITCHING): Update
9720	for removed I387_MASK_PM entity.
9721
9722
97232018-09-26  Jeff Law  <law@redhat.com>
9724	Revert
9725	2018-09-26  Alexey Neyman  <stilor@att.net>
9726
9727	* graphite.h: Include <isl/id.h> and <isl/space.h>; these
9728	headers are no longer pulled in by <isl/val.h>.
9729
97302018-09-26  Richard Biener  <rguenther@suse.de>
9731
9732	PR debug/87443
9733	* dwarf2out.c (gen_lexical_block_die): Do not equate inline
9734	or concrete instance DIE to the tree.  Create abstract origin
9735	attributes also for concrete instances.
9736
97372018-09-26  Alexey Neyman  <stilor@att.net>
9738
9739	* graphite.h: Include <isl/id.h> and <isl/space.h>; these
9740	headers are no longer pulled in by <isl/val.h>.
9741
97422018-09-26  Matthew Malcomson  <matthew.malcomson@arm.com>
9743
9744	* config/arm/arm.c (arm_split_compare_and_swap, arm_split_atomic_op):
9745	Use new helper functions.
9746	* config/arm/sync.md (atomic_load<mode>, atomic_store<mode>):
9747	Use new helper functions.
9748	* config/arm/aarch-common-protos.h (aarch_mm_needs_acquire,
9749	aarch_mm_needs_release): New declarations.
9750	* config/arm/aarch-common.c (aarch_mm_needs_acquire,
9751	aarch_mm_needs_release): New.
9752
97532018-09-26  Eric Botcazou  <ebotcazou@adacore.com>
9754
9755	* config/arm/arm.c (arm_reorg): Skip Thumb reorg pass for thunks.
9756	(arm32_output_mi_thunk): Deal with long calls.
9757
97582018-09-26  Richard Biener  <rguenther@suse.de>
9759
9760	PR debug/87428
9761	PR debug/87362
9762	* tree-inline.c (expand_call_inline): When the location
9763	of the call is UNKNOWN_LOCATION use DECL_SOURCE_LOCATION
9764	or BUILTINS_LOCATION for the BLOCK_SOURCE_LOCATION of
9765	the inserted BLOCK to make inlined_function_outer_scope_p
9766	recognize it.
9767	* dwarf2out.c (add_call_src_coords_attributes): Do not add
9768	coords for reserved locations.
9769
97702018-09-25  Segher Boessenkool  <segher@kernel.crashing.org>
9771
9772	* config/rs6000/rs6000.md (*movcc_internal1): Use set_attr_alternative.
9773	(*call_indirect_nonlocal_sysv<mode>): Ditto.
9774	(*call_value_indirect_nonlocal_sysv<mode>): Ditto.
9775	(*sibcall_nonlocal_sysv<mode>): Ditto.
9776	(*sibcall_value_nonlocal_sysv<mode>): Ditto.
9777	(<bd>_<mode>): Ditto.
9778	(<bd>tf_<mode>): Ditto.
9779
97802018-09-25  Segher Boessenkool  <segher@kernel.crashing.org>
9781
9782	* config/rs6000/altivec.md (*altivec_mov<mode>): Write the output
9783	control string as a list of templates instead of as C code.
9784	(*altivec_movti): Ditto.
9785	* config/rs6000/darwin.md (movdf_low_di): Ditto.
9786
97872018-09-25  Jim Wilson  <jimw@sifive.com>
9788
9789	* config/riscv/riscv.c (riscv_split_symbol): Mark auipc label as weak
9790	when target symbol is weak.
9791
97922018-09-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9793
9794	PR c/87387
9795	* builtins.c (unterminated_array): Simplify.
9796	* expr.c (string_constant): Handle SSA_NAME.  Add more exceptions
9797	where pointer arithmetic is safe.
9798
97992018-09-25  Segher Boessenkool  <segher@kernel.crashing.org>
9800
9801	PR target/86987
9802	* config/rs6000/altivec.md (altivec_vspltb): Use
9803	const_0_to_15_operand instead of u5bit_cint_operand.
9804	(*altivec_vspltb_internal): Ditto.
9805	(altivec_vspltb_direct): Ditto.
9806	(altivec_vsplth): Use const_0_to_7_operand instead of
9807	u5bit_cint_operand.
9808	(*altivec_vsplth_internal): Ditto.
9809	(altivec_vsplth_direct): Ditto.
9810	(altivec_vspltw): Use const_0_to_3_operand instead of
9811	u5bit_cint_operand.
9812	(*altivec_vspltw_internal): Ditto.
9813	(altivec_vspltw_direct): Ditto.
9814	(altivec_vspltsf): Ditto.
9815	(*altivec_vspltsf_internal): Ditto.
9816	* config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Handle the
9817	various splats with the proper size immediate.  Reorder the various
9818	cases by ascending size of immediate, and put all such together.
9819
98202018-09-25  Richard Biener  <rguenther@suse.de>
9821
9822	PR debug/83941
9823	* dwarf2out.c (add_AT_external_die_ref): Remove now redundant
9824	GC-ification.
9825	(maybe_create_die_with_external_ref): Do not create
9826	DW_TAG_imported_unit here.
9827	(add_abstract_origin_attribute): Handle external BLOCK refs.
9828	(dwarf2out_abstract_function): Simplify LTO case.
9829	(dwarf2out_early_finish): Create DW_TAG_imported_unit explicitely
9830	rather than using maybe_create_die_with_external_ref.
9831
98322018-09-25  Uros Bizjak  <ubizjak@gmail.com>
9833
9834	PR target/71278
9835	* config/i386/i386.md (frndintxf2_mask_pm): Remove.
9836	(frndintxf2_mask_pm_i387): Ditto.
9837	(nearbyintxf2): Rewrite expander pattern to match rintxf2.
9838	Enable for !flag_trapping_math.
9839	(nearbyint<mode>2): Enable x87 modes for !flag_trapping_math.
9840	Enable SSE modes for TARGET_SSE4_1 and expand them with round insn.
9841	Change operand 1 predicate to nonimmediate_operand.
9842	(attr "i387_cw"): Remove mask_pm.
9843	* config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_CW_MASK_PM.
9844	(enum ix86_entity): Remove I387_MASK_PM.
9845	* config/i386/i386.c (ix86_i387_mode_needed): Do not
9846	handle I387_MASK_PM.
9847	(ix86_mode_needed): Ditto.
9848	(ix86_mode_after): Ditto.
9849	(ix86_mode_entry): Ditto.
9850	(ix86_mode_exit): Ditto.
9851	(emit_i387_cw_initialization): Do not handle I387_CW_MASK_PM.
9852
98532018-09-25  Jakub Jelinek  <jakub@redhat.com>
9854
9855	* vr-values.c (vr_values::vr_values): Initialize to_remove_edges and
9856	to_update_switch_stmts to vNULL instead of calling create on them
9857	immediately.
9858
98592018-09-25  Richard Biener  <rguenther@suse.de>
9860
9861	PR tree-optimization/87402
9862	* tree-ssa-sccvn.c (SSA_VISITED): Remove unused function.
9863	(visit_phi): Re-instantiate handling of supposed to be VARYING
9864	but non-VARYING backedge value.
9865
98662018-09-25  Richard Biener  <rguenther@suse.de>
9867
9868	PR debug/83941
9869	* dwarf2out.c (struct sym_off_pair): New.
9870	(external_die_map): New global.
9871	(lookup_decl_die): When in LTO create DIEs lazily from the
9872	external_die_map.
9873	(lookup_block_die): New function, create DIEs lazily in LTO.
9874	(equate_block_to_die): New function.
9875	(dwarf2out_die_ref_for_decl): During WPA get the association
9876	from the external DIE map.
9877	(dwarf2out_register_external_die): Record mapping into the
9878	external DIE map.
9879	(maybe_create_die_with_external_ref): New function split out from
9880	DIE generation part of old dwarf2out_register_external_die.
9881	(add_abstract_origin_attribute): Do not return the DIE.  When
9882	in LTO reference externals directly.
9883	(dwarf2out_abstract_function): When in LTO ignore calls for
9884	decls with external DIEs (already present abstract instances).
9885	(gen_call_site_die): Adjust.
9886	(add_high_low_attributes): Likewise.
9887	(gen_lexical_block_die): Likewise.
9888	(gen_inlined_subroutine_die): Likewie.
9889	(gen_block_die): Likewise.
9890	(dwarf2out_inline_entry): Likewise.
9891	(dwarf2out_early_finish): In LTRANS phase create DW_TAG_imported_unit
9892	DIEs.
9893
98942018-09-25  Martin Liska  <mliska@suse.cz>
9895
9896	* ipa-fnsummary.c (estimate_node_size_and_time): Scale by two
9897	integers and not by a float value.
9898
98992018-09-25  Martin Liska  <mliska@suse.cz>
9900
9901	PR fortran/87394
9902	* dbgcnt.c (dbg_cnt_process_single_pair): Return false
9903	instead of NULL.
9904	* dumpfile.c (dump_enable_all): Remove extra parenthesis.
9905	* gcov-tool.c: Declare the function with ATTRIBUTE_NORETURN.
9906	* godump.c (go_format_type): Remove extra parenthesis.
9907
99082018-09-25  Martin Liska  <mliska@suse.cz>
9909
9910	* alias.c (set_dest_equal_p): Remove unused function.
9911	* config/i386/i386.c (def_builtin_pure2): Likewise.
9912	* diagnostic-show-locus.c (class layout): Remove
9913	unused field.
9914	(layout::layout): Likewise here.
9915	* dump-context.h (class temp_dump_context): Likewise.
9916	* dwarf2out.c (add_AT_fde_ref): Remove unused function.
9917	(add_AT_loclistsptr): Likewise.
9918	(add_AT_offset): Likewise.
9919	(get_AT_hi_pc): Likewise.
9920	(is_comdat_die): Likewise.
9921	(type_is_enum): Likewise.
9922	(ceiling): Likewise.
9923	(add_AT_vms_delta): Likewise.
9924	(is_class_die): Likewise.
9925	* edit-context.c (class line_event): Remove unused field.
9926	* graphite-sese-to-poly.c (tree_int_to_gmp): Remove
9927	unused function.
9928	* ipa-cp.c (ipa_get_vr_lat): Likewise.
9929	* lra-constraints.c (ok_for_index_p_nonstrict): Likewise.
9930	(ok_for_base_p_nonstrict): Likewise.
9931	* tree-chrec.c (is_not_constant_evolution): Likewise.
9932	(chrec_fold_poly_cst): Likewise.
9933	* tree-if-conv.c (has_pred_critical_p): Likewise.
9934	* tree-ssa-coalesce.c (print_exprs): Likewise.
9935	* tree-ssa-pre.c (bitmap_set_contains_expr): Likewise.
9936	* tree-ssa-uninit.c (is_and_or_or_p): Likewise.
9937	* tree-vrp.c (value_ranges_intersect_p): Likewise.
9938	(value_range_nonnegative_p): Likewise.
9939
99402018-09-25  Martin Liska  <mliska@suse.cz>
9941
9942	* config/powerpcspe/powerpcspe.c (rs6000_output_function_epilogue):
9943	Do not handle "GNU Pascal".
9944	* config/rs6000/rs6000.c (rs6000_output_function_epilogue):
9945	Likewise.
9946	* config/sparc/sparc.c (sparc_pass_by_reference): Remove Pascal
9947	from documentation. Likewise.
9948	* dbxout.c (dbxout_range_type): Likewise.
9949	* doc/cpp.texi: Likewise.
9950	* doc/extend.texi: Likewise.
9951	* doc/frontends.texi: Likewise.
9952	* doc/invoke.texi: Remove Pascal entry.
9953	* tree.def (CLEANUP_POINT_EXPR): Likewise.
9954	* doc/rtl.texi (MODE_FUNCTION): Remove not used entry.
9955
99562018-09-25  Martin Liska  <mliska@suse.cz>
9957
9958	PR middle-end/86078
9959	* doc/invoke.texi: Document all parameters and remove default
9960	of the parameters.
9961
99622018-09-25  Ilya Leoshkevich  <iii@linux.ibm.com>
9963
9964	PR bootstrap/87417
9965	* rtl.c (rtx_code_size): Take into account that EQ_ATTR_ALT
9966	contains HOST_WIDE_INTs when computing its size.
9967
99682018-09-24  Jim Wilson  <jimw@sifive.com>
9969
9970	PR target/87391
9971	* config/riscv/riscv.h (STACK_BOUNDARY): Test riscv_abi == ABI_ILP32E
9972	not TARGET_RVE.
9973	(ABI_STACK_BOUNDARY, MAX_ARGS_IN_REGISTERS): Likewise.
9974
99752018-09-24  Andrew Pinski  <apinski@marvell.com>
9976
9977	*  config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Don't
9978	access prev before checking it for NULLness in the
9979	AARCH64_FUSE_CMP_BRANCH case.
9980
99812018-09-24  H.J. Lu  <hongjiu.lu@intel.com>
9982
9983	PR target/82699
9984	* config/i386/i386.c (rest_of_insert_endbranch): Set
9985	endbr_queued_at_entrance to true and don't insert ENDBR if
9986	x86_function_profiler will be called.
9987	(x86_function_profiler): Insert ENDBR if endbr_queued_at_entrance
9988	is true.
9989	* config/i386/i386.h (machine_function): Add
9990	endbr_queued_at_entrance.
9991
99922018-09-24  Ilya Leoshkevich  <iii@linux.ibm.com>
9993
9994	* genattrtab.c (mk_attr_alt): Use alternative_mask.
9995	(attr_rtx_1): Adjust caching to match the new EQ_ATTR_ALT field
9996	types.
9997	(check_attr_test): Use alternative_mask.
9998	(get_attr_value): Likewise.
9999	(compute_alternative_mask): Use alternative_mask and XWINT.
10000	(make_alternative_compare): Use alternative_mask.
10001	(attr_alt_subset_p): Use XWINT.
10002	(attr_alt_subset_of_compl_p): Likewise.
10003	(attr_alt_intersection): Use alternative_mask and XWINT.
10004	(attr_alt_union): Likewise.
10005	(attr_alt_complement): Use HOST_WIDE_INT and XWINT.
10006	(mk_attr_alt): Use alternative_mask and HOST_WIDE_INT.
10007	(simplify_test_exp): Use alternative_mask and XWINT.
10008	(write_test_expr): Use alternative_mask and XWINT, adjust bit
10009	number calculation to support 64 bits.  Generate code that
10010	checks 64-bit masks.
10011	(main): Use alternative_mask.
10012	* rtl.def (EQ_ATTR_ALT): Change field types from ii to ww.
10013
100142018-09-24  Ilya Leoshkevich  <iii@linux.ibm.com>
10015
10016	PR target/80080
10017	* config/s390/s390.c (s390_emit_epilogue): Do not use PARALLEL
10018	RETURN+USE when returning via %r14.
10019
100202018-09-24  Martin Liska  <mliska@suse.cz>
10021
10022	* gcov.c (output_lines): Print colorization legend
10023	for both flag_use_colors and flag_use_hotness_colors.
10024	Reword the help.
10025
100262018-09-24  Martin Liska  <mliska@suse.cz>
10027
10028	* coverage.c (get_coverage_counts): Use warning_at
10029	with current_function_decl location. Use %qD in warning
10030	message.
10031
100322018-09-24  Martin Liska  <mliska@suse.cz>
10033
10034	* memory-block.h (memory_block_pool::release): Annotate with
10035	valgrind that the memory is not accessible.
10036
100372018-09-24  Martin Liska  <mliska@suse.cz>
10038
10039	PR sanitizer/85774
10040	* asan.c: Make asan_handled_variables extern.
10041	* asan.h: Likewise.
10042	* cfgexpand.c (expand_stack_vars): Make sure
10043	a representative is unpoison if another
10044	variable in the partition is handled by
10045	use-after-scope sanitization.
10046
100472018-09-24  Richard Biener  <rguenther@suse.de>
10048
10049	PR tree-optimization/63155
10050	* tree-ssa-propagate.c (add_ssa_edge): Avoid adding PHIs to
10051	the worklist when the edge of the respective argument isn't
10052	executable.
10053
100542018-09-23   Uros Bizjak  <ubizjak@gmail.com>
10055
10056	* config/i386/i386.h (enum reg_class): Rename MASK_REGS to
10057	ALL_MASK_REGS and MASK_EVEX_REGS to MASK_REGS.
10058	(MASK_CLASS_P): Update for rename.
10059	(MAYBE_MASK_CLASS_P): Ditto.
10060	(REG_CLASS_NAMES): Update.
10061	(REG_CLASS_CONTENT): Update.
10062	* config/i386/i386.c (regclass_map): Update for MASK_REG
10063	and ALL_MASK_REGS rename.
10064	* config/i386/constraints.md (Yk): Update for rename.
10065	(k): Ditto.
10066
100672018-09-23   Uros Bizjak  <ubizjak@gmail.com>
10068
10069	* config/i386/i386.h (enum reg_class): Remove
10070	EVEX_SSE_REGS and MOD4_SSE_REGS.
10071	(REG_CLASS_NAMES): Update.
10072	(REG_CLASS_CONTENT): Update.
10073	* config/i386/i386.c (regclass_map): Declare AVX-512 SSE
10074	registers as ALL_SSE_REGS.
10075	(ix86_additional_allocno_class_p): Remove.
10076	(TARGET_ADDITIONAL_ALLOCNO_CLASS_P): Remove.
10077	(ix86_register_priority): Lower priority of EVEX SSE registers.
10078	Use IN_RANGE macro where appropriate.
10079	(ix86_hard_regno_mode_ok): Merge AVX-5124FMAPS and
10080	AVX-5124VNNIW checks.
10081	(ix86_modes_tieable_p): Tie 512-bit SSE modes.
10082	* config/i386/sse.md (avx5124fmaddps_4fmaddps)
10083	(avx5124fmaddps_4fmaddps_mask, avx5124fmaddps_4fmaddps_maskz)
10084	(avx5124fmaddps_4fmaddss, avx5124fmaddps_4fmaddss_mask)
10085	(avx5124fmaddps_4fmaddss_maskz, avx5124fmaddps_4fnmaddps)
10086	(avx5124fmaddps_4fnmaddps_mask, avx5124fmaddps_4fnmaddps_maskz)
10087	(avx5124fmaddps_4fnmaddss, avx5124fmaddps_4fnmaddss_mask)
10088	(avx5124fmaddps_4fnmaddss_maskz, avx5124vnniw_vp4dpwssd)
10089	(avx5124vnniw_vp4dpwssd_mask, avx5124vnniw_vp4dpwssd_maskz)
10090	(avx5124vnniw_vp4dpwssds, avx5124vnniw_vp4dpwssds_mask)
10091	(avx5124vnniw_vp4dpwssds_maskz): Use "v" instead of "Yh" constraint.
10092	* config/i386/constraints.md (Yh): Remove.
10093
100942018-09-23   Uros Bizjak  <ubizjak@gmail.com>
10095
10096	* config/i386/i386.c (regclass_map): Declare integer REX registers
10097	as GENERAL_REGS.
10098
100992018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
10100
10101	* doc/service.texi (Service): Switch the fsf.org link to https.
10102
101032018-09-22  Chung-Ju Wu  <jasonwucj@gmail.com>
10104
10105	PR target/86798
10106	* config/nds32/nds32.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
10107	Define to speculation_safe_value_not_needed.
10108
101092018-09-21  Florian Weimer  <fweimer@redhat.com>
10110
10111	PR middle-end/81035
10112	* doc/extend.texi (Common Function Attributes): Mention that
10113	noreturn suppresses tail call optimization.
10114
101152018-09-21  Jeff Law  <law@redhat.com>
10116
10117	* gimple-ssa-evrp.c (evrp_dom_walker::cleanup): Call
10118	vr_values::cleanup_edges_and_switches.
10119	* tree-vrp.c (to_remove_edges, to_update_switch_stmts): Moved into
10120	vr_values class.
10121	(identify_jump_threads): Remove EDGE_IGNORE handling.
10122	(execute_vrp): Move handling of to_remove_edges and
10123	to_update_switch_stmts into vr_values class member functions.
10124	* tree-vrp.h (switch_update, to_remove_edges): Remove declarations.
10125	(to_update_switch_stmts): Likewise.
10126	* vr-values.c: Include cfghooks.h.
10127	(vr_values::vr_values): Initialize to_remove_edges and
10128	to_update_switch_stmts.
10129	(vr_values::~vr_values): Verify to_remove_edges and
10130	to_update_switch_stmts are empty.
10131	(vr_values::simplify_switch_using_ranges): Set EDGE_IGNORE as needed.
10132	(vr_values::cleanup_edges_and_switches): New member function.
10133	* vr-values.h (vr_values): Add cleanup_edges_and_switches member
10134	function.  Add new data members.
10135
101362018-09-21  David Malcolm  <dmalcolm@redhat.com>
10137
10138	PR tree-optimization/87309
10139	* dumpfile.c (dump_context::begin_scope): Filter the dump_loc
10140	calls with pflags and alt_flags.
10141	(selftest::test_capture_of_dump_calls): Add test of interaction of
10142	MSG_OPTIMIZED_LOCATIONS with AUTO_DUMP_SCOPE.
10143
101442018-09-21  Olivier Hainque  <hainque@adacore.com>
10145
10146	* config.gcc: Factorize and comment inclusion of vxworks-dummy.h.
10147
101482018-09-21  Olivier Hainque  <hainque@adacore.com>
10149
10150	* config/vxworks.h (CLEAR_INSN_CACHE): #define to 1.
10151
101522018-09-21  Olivier Hainque  <hainque@adacore.com>
10153
10154	* config/vxworks.h (VXWORKS_LIBGCC_SPEC): Remove -lc_internal.
10155	Merge block comment with the one ahead of VXWORKS_LIBS_RTP. Then:
10156	(VXWORKS_LIBS_RTP): Minor reordering.
10157
101582018-09-21  Olivier Hainque  <hainque@adacore.com>
10159
10160	* config/vxworks.h (STARTFILE_PREFIX_SPEC): Define.
10161	(VXWORKS_LIBS_DIR_RTP): Remove definition and use.
10162
101632018-09-21  Olivier Hainque  <hainque@adacore.com>
10164
10165	* config/vxworks.h (SIZE_TYPE): Account for TARGET_VXWORKS64.
10166	(PTRDIFF_TYPE): Likewise.
10167
101682018-09-21  Olivier Hainque  <hainque@adacore.com>
10169
10170	* config.gcc: Enforce def of TARGET_VXWORKS64 to 1 from
10171	triplet, similar to support for VxWorks7.
10172	* config/vxworks-dummy.h: Provide a default definition
10173	of TARGET_VXWORKS64 to 0.
10174
101752018-09-21  Olivier Hainque  <hainque@adacore.com>
10176
10177	* config/vxworks.h (TARGET_VXWORKS7): Move default definition ...
10178	* config/vxworks-dummy.h: here.
10179
101802018-09-21  Olivier Hainque  <hainque@adacore.com>
10181
10182	* config.gcc: Prepend vxworks-dummy.h to tm_file for powerpc*
10183
101842018-09-21  Shaokun Zhang  <zhangshaokun@hisilicon.com>
10185	    Bo Zhou  <zbo.zhou@hisilicon.com>
10186
10187	* config/aarch64/aarch64-cores.def (tsv110): New CPU.
10188	* config/aarch64/aarch64-tune.md: Regenerated.
10189	* doc/invoke.texi (AArch64 Options/-mtune): Add "tsv110".
10190	* config/aarch64/aarch64.c (tsv110_tunings): New tuning table.
10191	* config/aarch64/aarch64-cost-tables.h: Add "tsv110" extra costs.
10192
101932018-09-21  Andrew Stubbs  <ams@codesourcery.com>
10194	    Julian Brown  <julian@codesourcery.com>
10195
10196	* builtins.c (get_builtin_sync_mem): Handle address spaces.
10197
101982018-09-21  Eric Botcazou  <ebotcazou@adacore.com>
10199
10200	* config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Return false
10201	if the call takes a static chain.
10202
102032018-09-21  Martin Liska  <mliska@suse.cz>
10204
10205	* auto-profile.c (autofdo_source_profile::read): Do not
10206	set sum_all.
10207	(read_profile): Do not add working sets.
10208	(read_autofdo_file): Remove sum_all.
10209	(afdo_callsite_hot_enough_for_early_inline): Remove const
10210	qualifier.
10211	* coverage.c (struct counts_entry): Remove gcov_summary.
10212	(read_counts_file): Read new GCOV_TAG_OBJECT_SUMMARY,
10213	do not support GCOV_TAG_PROGRAM_SUMMARY.
10214	(get_coverage_counts): Remove summary and expected
10215	arguments.
10216	* coverage.h (get_coverage_counts): Likewise.
10217	* doc/gcov-dump.texi: Remove -w option.
10218	* gcov-dump.c (dump_working_sets): Remove.
10219	(main): Do not support '-w' option.
10220	(print_usage): Likewise.
10221	(tag_summary): Likewise.
10222	* gcov-io.c (gcov_write_summary): Do not dump
10223	histogram.
10224	(gcov_read_summary): Likewise.
10225	(gcov_histo_index): Remove.
10226	(gcov_histogram_merge): Likewise.
10227	(compute_working_sets): Likewise.
10228	* gcov-io.h (GCOV_TAG_OBJECT_SUMMARY): Mark
10229	it not obsolete.
10230	(GCOV_TAG_PROGRAM_SUMMARY): Mark it obsolete.
10231	(GCOV_TAG_SUMMARY_LENGTH): Adjust.
10232	(GCOV_HISTOGRAM_SIZE): Remove.
10233	(GCOV_HISTOGRAM_BITVECTOR_SIZE): Likewise.
10234	(struct gcov_summary): Simplify rapidly just
10235	to runs and sum_max fields.
10236	(gcov_histo_index): Remove.
10237	(NUM_GCOV_WORKING_SETS): Likewise.
10238	(compute_working_sets): Likewise.
10239	* gcov-tool.c (print_overlap_usage_message): Remove
10240	trailing empty line.
10241	* gcov.c (read_count_file): Read GCOV_TAG_OBJECT_SUMMARY.
10242	(output_lines): Remove program related line.
10243	* ipa-profile.c (ipa_profile): Do not consider GCOV histogram.
10244	* lto-cgraph.c (output_profile_summary): Do not stream GCOV
10245	histogram.
10246	(input_profile_summary): Do not read it.
10247	(merge_profile_summaries): And do not merge it.
10248	(input_symtab): Do not call removed function.
10249	* modulo-sched.c (sms_schedule): Do not print sum_max.
10250	* params.def (HOT_BB_COUNT_FRACTION): Reincarnate param that was
10251	removed when histogram method was invented.
10252	(HOT_BB_COUNT_WS_PERMILLE): Mention that it's used only in LTO
10253	mode.
10254	* postreload-gcse.c (eliminate_partially_redundant_load): Fix
10255	GCOV coding style.
10256	* predict.c (get_hot_bb_threshold): Use HOT_BB_COUNT_FRACTION
10257	and dump selected value.
10258	* profile.c (add_working_set): Remove.
10259	(get_working_sets): Likewise.
10260	(find_working_set): Likewise.
10261	(get_exec_counts): Do not work with working sets.
10262	(read_profile_edge_counts): Do not inform as sum_max is removed.
10263	(compute_branch_probabilities): Likewise.
10264	(compute_value_histograms): Remove argument for call of
10265	get_coverage_counts.
10266	* profile.h: Do not make gcov_summary const.
10267
102682018-09-21  Monk Chiang  <sh.chiang04@gmail.com>
10269
10270	* config.gcc (nds32*-*-*): Set TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0.
10271
102722018-09-21  Eric Botcazou  <ebotcazou@adacore.com>
10273
10274	PR tree-optimization/86990
10275	* gimple-ssa-store-merging.c (imm_store_chain_info:coalesce_immediate):
10276	Check that the entire merged store group is made of constants only for
10277	overlapping stores.
10278
102792018-09-20  Allan Sandfeld Jensen  <allan.jensen@qt.io>
10280
10281	* gcc.c (LINK_COMMAND_SPEC): Handle -r like -nostdlib.
10282	(VTABLE_VERIFICATION_SPEC): Likewise.
10283	(SANITIZER_EARLY_SPEC): Likewise.
10284	(SANITIZER_SPEC): Likewise.
10285	* config/darwin.h (LINK_COMMAND_SPEC): Likewise.
10286	* doc/invoke.texi (Link Options): Document -r.
10287
102882018-09-20  Richard Biener  <rguenther@suse.de>
10289
10290	PR middle-end/87054
10291	* gimplify.c (gimplify_expr): Retain alignment of
10292	addressable lvalue in dereference.
10293
102942018-09-20  Alexandre Oliva  <aoliva@redhat.com>
10295
10296	PR bootstrap/87013
10297	* configure.ac: Check for .loc is_stmt support.
10298	* configure, config.in: Rebuilt.
10299	* dwarf2out.c (dwarf2out_source_line): Skip is_stmt
10300	if not supported.
10301
103022018-09-20  Segher Boessenkool  <segher@kernel.crashing.org>
10303
10304	* config/rs6000/rs6000.opt (misel=no, misel=yes): Delete.
10305	* doc/invoke.texi (RS/6000 and PowerPC Options): Delete -misel=yes and
10306	-misel=no.
10307
103082018-09-20  Segher Boessenkool  <segher@kernel.crashing.org>
10309
10310	* config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete
10311	VECTOR_OTHER.
10312	* config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete
10313	case VECTOR_OTHER.
10314
103152018-09-20  Marek Polacek  <polacek@redhat.com>
10316
10317	* doc/invoke.texi: Add -Wno-init-list-lifetime to C++ Language Options.
10318
103192018-09-20  Richard Sandiford  <richard.sandiford@arm.com>
10320
10321	PR tree-optimization/87288
10322	* tree-vect-loop.c (vect_analyze_loop_2): Take PEELING_FOR_GAPS
10323	into account when determining PEELING_FOR_NITERS.
10324
103252018-09-20  Richard Sandiford  <richard.sandiford@arm.com>
10326
10327	PR tree-optimization/86877
10328	* tree-vect-loop.c (vect_analyze_loop_2): Call
10329	vect_verify_datarefs_alignment.
10330
103312018-09-19  Marek Polacek  <polacek@redhat.com>
10332
10333	* doc/invoke.texi: Document -Wclass-conversion.
10334
103352018-09-19  John David Anglin  <danglin@gcc.gnu.org>
10336
10337	* config/pa/pa.c (pa_adjust_priority): Delete.
10338	(TARGET_SCHED_ADJUST_PRIORITY): Delete define.
10339
10340	* config/pa/pa.md (atomic_storeqi): Restore deleted expander.
10341	(atomic_storehi): Likewise.
10342	(atomic_storesi): Likewise.
10343	(atomic_loaddi): Restore compare and swap exchange loop code.
10344
103452018-09-19  Segher Boessenkool  <segher@kernel.crashing.org>
10346
10347	PR rtl-optimization/86902
10348	* combine.c (try_combine): When changing the CC mode used, don't change
10349	an unrelated mode in other_insn to that new CC mode.
10350
103512018-09-19  David Malcolm  <dmalcolm@redhat.com>
10352
10353	* tree-data-ref.c (runtime_alias_check_p): Use formatted printing
10354	with %T in place of calls to dump_generic_expr.
10355	(prune_runtime_alias_test_list): Likewise.
10356	(create_runtime_alias_checks): Likewise.
10357	* tree-vect-data-refs.c (vect_check_nonzero_value): Likewise.
10358	(vect_analyze_data_ref_dependence): Likewise.
10359	(vect_slp_analyze_data_ref_dependence): Likewise.
10360	(vect_record_base_alignment): Likewise.  Use %G in place of call
10361	to dump_gimple_stmt.
10362	(vect_compute_data_ref_alignment): Likewise.
10363	(verify_data_ref_alignment): Likewise.
10364	(vect_find_same_alignment_drs): Likewise.
10365	(vect_analyze_group_access_1): Likewise.
10366	(vect_analyze_data_ref_accesses): Likewise.
10367	(dependence_distance_ge_vf): Likewise.
10368	(dump_lower_bound): Likewise.
10369	(vect_prune_runtime_alias_test_list): Likewise.
10370	(vect_find_stmt_data_reference): Likewise.
10371	(vect_analyze_data_refs): Likewise.
10372	(vect_create_addr_base_for_vector_ref): Likewise.
10373	(vect_create_data_ref_ptr): Likewise.
10374	* tree-vect-loop-manip.c (vect_set_loop_condition): Likewise.
10375	(vect_can_advance_ivs_p): Likewise.
10376	(vect_update_ivs_after_vectorizer): Likewise.
10377	(vect_gen_prolog_loop_niters): Likewise.
10378	(vect_prepare_for_masked_peels): Likewise.
10379	* tree-vect-loop.c (vect_determine_vf_for_stmt): Likewise.
10380	(vect_determine_vectorization_factor): Likewise.
10381	(vect_is_simple_iv_evolution): Likewise.
10382	(vect_analyze_scalar_cycles_1): Likewise.
10383	(vect_analyze_loop_operations): Likewise.
10384	(report_vect_op): Likewise.
10385	(vect_is_slp_reduction): Likewise.
10386	(check_reduction_path): Likewise.
10387	(vect_is_simple_reduction): Likewise.
10388	(vect_create_epilog_for_reduction): Likewise.
10389	(vect_finalize_reduction:): Likewise.
10390	(vectorizable_induction): Likewise.
10391	(vect_transform_loop_stmt): Likewise.
10392	(vect_transform_loop): Likewise.
10393	(optimize_mask_stores): Likewise.
10394	* tree-vect-patterns.c (vect_pattern_detected): Likewise.
10395	(vect_split_statement): Likewise.
10396	(vect_recog_over_widening_pattern): Likewise.
10397	(vect_recog_average_pattern): Likewise.
10398	(vect_determine_min_output_precision_1): Likewise.
10399	(vect_determine_precisions_from_range): Likewise.
10400	(vect_determine_precisions_from_users): Likewise.
10401	(vect_mark_pattern_stmts): Likewise.
10402	(vect_pattern_recog_1): Likewise.
10403	* tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise.
10404	(vect_record_max_nunits): Likewise.
10405	(vect_build_slp_tree_1): Likewise.
10406	(vect_build_slp_tree_2): Likewise.
10407	(vect_print_slp_tree): Likewise.
10408	(vect_analyze_slp_instance): Likewise.
10409	(vect_detect_hybrid_slp_stmts): Likewise.
10410	(vect_detect_hybrid_slp_1): Likewise.
10411	(vect_slp_analyze_operations): Likewise.
10412	(vect_slp_analyze_bb_1): Likewise.
10413	(vect_transform_slp_perm_load): Likewise.
10414	(vect_schedule_slp_instance): Likewise.
10415	* tree-vect-stmts.c (vect_mark_relevant): Likewise.
10416	(vect_mark_stmts_to_be_vectorized): Likewise.
10417	(vect_init_vector_1): Likewise.
10418	(vect_get_vec_def_for_operand): Likewise.
10419	(vect_finish_stmt_generation_1): Likewise.
10420	(vect_check_load_store_mask): Likewise.
10421	(vectorizable_call): Likewise.
10422	(vectorizable_conversion): Likewise.
10423	(vectorizable_operation): Likewise.
10424	(vectorizable_load): Likewise.
10425	(vect_analyze_stmt): Likewise.
10426	(vect_is_simple_use): Likewise.
10427	(vect_get_vector_types_for_stmt): Likewise.
10428	(vect_get_mask_type_for_stmt): Likewise.
10429	* tree-vectorizer.c (increase_alignment): Likewise.
10430
104312018-09-19  Andrew Stubbs  <ams@codesourcery.com>
10432
10433	* doc/rtl.texi: Adjust vec_select description.
10434	* simplify-rtx.c (simplify_binary_operation_1): Allow VEC_SELECT to use
10435	non-constant selectors.
10436
104372018-09-19  Matthew Malcomson  <matthew.malcomson@arm.com>
10438
10439	* config/aarch64/aarch64-protos.h
10440	(aarch64_offset_9bit_signed_unscaled_p): New declaration.
10441	* config/aarch64/aarch64.md (arches): New "rcpc8_4" attribute value.
10442	(arch_enabled): Add check for "rcpc8_4" attribute value of "arch".
10443	* config/aarch64/aarch64.h (AARCH64_FL_RCPC8_4): New bitfield.
10444	(AARCH64_FL_FOR_ARCH8_4): Include AARCH64_FL_RCPC8_4.
10445	(AARCH64_FL_PROFILE): Move index so flags are ordered.
10446	(AARCH64_ISA_RCPC8_4): New flag.
10447	* config/aarch64/aarch64.c (offset_9bit_signed_unscaled_p): Renamed
10448	to aarch64_offset_9bit_signed_unscaled_p.
10449	* config/aarch64/atomics.md (atomic_store<mode>): Allow offset
10450	and use stlur.
10451	* config/aarch64/constraints.md (Ust): New constraint.
10452	* config/aarch64/predicates.md.
10453	(aarch64_9bit_offset_memory_operand): New predicate.
10454	(aarch64_rcpc_memory_operand): New predicate.
10455
104562018-09-19  Eric Botcazou  <ebotcazou@adacore.com>
10457
10458	PR rtl-optimization/87361
10459	* rtlanal.c (nonzero_bits1): Revert accidental change.
10460
104612018-09-19  Richard Biener  <rguenther@suse.de>
10462
10463	PR tree-optimization/87349
10464	PR tree-optimization/87342
10465	* tree-ssa-sccvn.c (do_rpo_vn): Iterate max_rpo computation.
10466
104672018-09-18  Marek Polacek  <polacek@redhat.com>
10468
10469	P1064R0 - Allowing Virtual Function Calls in Constant Expressions
10470	* gimple-fold.c (gimple_get_virt_method_for_vtable): Adjust assert.
10471
104722018-09-18  Segher Boessenkool  <segher@kernel.crashing.org>
10473
10474	* config/rs6000/rs6000.md: Remove old "Cygnus sibcall" comment.
10475
104762018-09-18  Segher Boessenkool  <segher@kernel.crashing.org>
10477
10478	PR rtl-optimization/86882
10479	* rtlanal.c (reg_overlap_mentioned_p): Handle CLOBBER.
10480
104812018-09-18  Uros Bizjak  <ubizjak@gmail.com>
10482
10483	* config/i386/i386.md (*<code>extend<mode>xf2): Macroize insn from
10484	*<code>extendsfxf2 and *<code>extenddfxf2 using MODEF mode iterator.
10485
104862018-09-18  Jonathan Wakely  <jwakely@redhat.com>
10487
10488	PR other/87353
10489	* doc/invoke.texi (Link Options): Fix formatting and grammar.
10490
104912018-09-18  Richard Biener  <rguenther@suse.de>
10492
10493	PR middle-end/63155
10494	* tree-ssa-coalesce.c (tree_int_map_hasher): Remove.
10495	(compute_samebase_partition_bases): Likewise.
10496	(coalesce_ssa_name): Always use compute_optimized_partition_bases.
10497	(gimple_can_coalesce_p): Simplify.
10498
104992018-09-18  Hans-Peter Nilsson  <hp@bitrange.com>
10500
10501	Handle a library implementation of ffs calling __builtin_ffs.
10502	* config/mmix/mmix.c (TARGET_INIT_LIBFUNCS): Override with...
10503	(mmix_init_libfuncs): New function: make __builtin_ffs expand
10504	to __ffsdi2.
10505
105062018-09-17  David Malcolm  <dmalcolm@redhat.com>
10507
10508	* diagnostic-show-locus.c (class layout_range): Add field
10509	"m_original_idx".
10510	(layout_range::layout_range): Add "original_idx" param and use it
10511	to initialize new field.
10512	(make_range): Use 0 for original_idx.
10513	(layout::layout): Pass in index to calls to
10514	maybe_add_location_range.
10515	(layout::maybe_add_location_range): Add param "original_idx" and
10516	pass it on to layout_range.
10517	(layout::print_any_labels): Pass on range->m_original_idx to
10518	get_text call.
10519	(gcc_rich_location::add_location_if_nearby): Use 0 for
10520	original_idx.
10521	* gcc-rich-location.h (text_range_label::get_text): Update for new
10522	param.
10523	(range_label_for_type_mismatch::get_text): Likewise.
10524
105252018-09-17  Uros Bizjak  <ubizjak@gmail.com>
10526
10527	* config/i386/i386.c (ix86_emit_i387_log1p): Emit fldln2 earlier.
10528
105292018-09-17  David Malcolm  <dmalcolm@redhat.com>
10530
10531	* gimple-ssa-sprintf.c (fmtwarn): Update for introduction of
10532	format_string_diagnostic_t.
10533	(fmtwarn_n): Likewise.
10534	* substring-locations.c
10535	(format_string_diagnostic_t::format_string_diagnostic_t) New ctor.
10536	(format_warning_n_va): Convert to...
10537	(format_string_diagnostic_t::emit_warning_n_va): ...this.
10538	(format_warning_va): Convert to...
10539	(format_string_diagnostic_t::emit_warning_va): ...this.
10540	(format_warning_at_substring): Convert to...
10541	(format_string_diagnostic_t::emit_warning): ...this.
10542	(format_warning_at_substring_n): Convert to...
10543	(format_string_diagnostic_t::emit_warning_n): ...this.
10544	* substring-locations.h (class format_string_diagnostic_t): New
10545	class.
10546	(format_warning_va): Convert to
10547	format_string_diagnostic_t::emit_warning_va.
10548	(format_warning_n_va): Convert to
10549	format_string_diagnostic_t::emit_warning_n_va.
10550	(format_warning_at_substring): Convert to
10551	format_string_diagnostic_t::emit_warning.
10552	(format_warning_at_substring_n): Convert to
10553	format_string_diagnostic_t::emit_warning_n.
10554
105552018-09-17  Cesar Philippidis  <cesar@codesourcery.com>
10556	    Bernd Schmidt  <bernds_cb1@t-online.de>
10557
10558	* config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with
10559	SImode args.
10560
105612018-09-17  Uros Bizjak  <ubizjak@gmail.com>
10562
10563	* config/i386/i386.md (truncxf<mode>2_i387_noop_unspec): Change
10564	operand 0 predicate to nonimmediate operand.
10565	(rint<mode>2_frndint): Remove insn pattern.
10566	(rint<mode>2): Change operand 1 predicate to general_operand.
10567	Extend operand 1 to XFmode and generate rintxf2 insn.
10568	(frndintxf2_<rounding>): Rename from frndint<mode>2_<rounding>.
10569	Do not use X87MODEF mode macro.
10570	(frndintxf2_<rounding>_i387): Rename from
10571	frndint<mode>2_<rounding>_i387.  Do not use X87MODEF mode macro.
10572	(<rounding_insn><mode>2): For non-SSE modes, extend operand 1
10573	to XFmode and generate significandxf3 insn.
10574
105752018-09-17  Richard Biener  <rguenther@suse.de>
10576
10577	PR tree-optimization/87328
10578	* tree-ssa-sccvn.c (process_bb): Remove assertion about not
10579	visiting unexecutable backedges when not iterating.
10580	(do_rpo_vn): Mark all edges not executable even when not
10581	iterating.
10582
105832018-09-17  Martin Jambor  <mjambor@suse.cz>
10584
10585	PR c/63886
10586	* doc/invoke.texi (Warning Options): Likewise.
10587
105882018-09-17  Richard Biener  <rguenther@suse.de>
10589
10590	PR tree-optimization/87301
10591	* tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_cleanup): Properly
10592	clean EH info from leftover copy assignments.
10593
105942018-09-17  Martin Liska  <mliska@suse.cz>
10595
10596	PR gcov-profile/85871
10597	* gcov.c (output_intermediate_file): Fix out of bounds
10598	access.
10599
106002018-09-17  Vineet Gupta  <vgupta@synopsys.com>
10601
10602	* config/arc/arc.c: Object attributes for core4 not reflected
10603	correctly.
10604	* config/arc/arc.h: Don't restrict DBNZ to core3 (core4 includes
10605	core3).
10606
106072018-09-17  Alexey Brodkin  <abrodkin@synopsys.com>
10608
10609	* config/arc/linux.h (LINK_EH_SPEC): Add missing space.
10610
106112018-09-17  Martin Liska  <mliska@suse.cz>
10612
10613	* doc/gcov.texi: Document new option --use-hotness-colors.
10614	* gcov.c (struct source_info): Declare new field.
10615	(source_info::source_info): Set default for maximum_count.
10616	(print_usage): Add new -q option.
10617	(process_args): Process it.
10618	(accumulate_line_info): Save src->maximum_count.
10619	(output_line_beginning): Make color line number if
10620	flag_use_hotness_colors is set.
10621	(output_line_details): Pass default argument value.
10622	(output_lines): Pass src->maximum_count.
10623
106242018-09-17  Martin Liska  <mliska@suse.cz>
10625
10626	* common/config/i386/i386-common.c (ix86_get_valid_option_values):
10627	Use processor_names table.
10628	* config/i386/i386.c (ix86_default_align): Use
10629	processor_cost_table for alignment values.
10630	(ix86_option_override_internal): Use processor_names.
10631	(ix86_function_specific_print): Likewise.
10632	* config/i386/i386.h (struct processor_costs):
10633	Add alignment values.
10634	(struct ptt): Remove and replace with const char *.
10635	* config/i386/x86-tune-costs.h (struct processor_costs):
10636	Declare default alignments for all costs.
10637
106382018-09-17  Aldy Hernandez  <aldyh@redhat.com>
10639
10640	* tree-vrp.c (extract_range_from_unary_expr): Do not special case
10641	symbolics or VR_VARYING ranges for ABS_EXPR.
10642	* wide-int-range.cc (wide_int_range_abs): Return positive numbers
10643	when range will wrap.
10644
106452018-09-15  Eric Botcazou  <ebotcazou@adacore.com>
10646
10647	PR middle-end/86864
10648	* cfgexpand.c (expand_gimple_basic_block): Be prepared for a BARRIER
10649	before and after a JUMP_TABLE_DATA.
10650
106512018-09-14  John David Anglin  <danglin@gcc.gnu.org>
10652
10653	PR middle-end/87188
10654	* dojump.c (do_compare_and_jump): Canonicalize function pointers
10655	when one operand is a function pointer.  Use POINTER_TYPE_P and
10656	FUNC_OR_METHOD_TYPE_P.
10657	* expr.c (do_store_flag): Use POINTER_TYPE_P and FUNC_OR_METHOD_TYPE_P.
10658	* fold-const.c (build_range_check): Likewise.
10659	* match.pd (simple_comparison): Likewise.
10660
106612018-09-14  David Malcolm  <dmalcolm@redhat.com>
10662
10663	PR c/82967
10664	* spellcheck.c (get_edit_distance_cutoff): New function.
10665	(selftest::test_edit_distance_unit_test_oneway): Rename to...
10666	(selftest::test_get_edit_distance_one_way): ...this.
10667	(selftest::test_get_edit_distance_unit): Rename to...
10668	(selftest::test_get_edit_distance_both_ways): ...this.
10669	(selftest::test_edit_distances): Move tests to this new function,
10670	and test some more pairs of strings.  Update for above renaming.
10671	(selftest::get_old_cutoff): New function.
10672	(selftest::test_get_edit_distance_cutoff): New function.
10673	(selftest::assert_suggested_for): New function.
10674	(ASSERT_SUGGESTED_FOR): New macro.
10675	(selftest::assert_not_suggested_for): New function.
10676	(ASSERT_NOT_SUGGESTED_FOR): New macro.
10677	(selftest::test_suggestions): New function.
10678	(selftest::spellcheck_c_tests): Move test_get_edit_distance_unit
10679	tests to selftest::test_edit_distances and call it.  Add calls to
10680	selftest::test_get_edit_distance_cutoff and
10681	selftest::test_suggestions.
10682	* spellcheck.h (get_edit_distance_cutoff): New function declaration.
10683	(best_match::consider): Replace hard-coded cutoff calculation with
10684	a call to...
10685	(best_match::get_cutoff): New declaration.
10686	(best_match::get_best_meaningful_candidate): Likewise.
10687
106882018-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10689
10690	* builtins.c (fold_builtin_strlen): Remove TODO comment.
10691
106922018-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10693
10694	revert:
10695	2018-07-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10696
10697	* tree-ssa-forwprop.c (simplify_builtin_call): Don't create a not NUL
10698	terminated string literal.
10699
107002018-09-14  Martin Sebor  <msebor@redhat.com>
10701
10702	* builtins.c (unterminated_array): Handle ARRAY_REF.
10703	(expand_builtin_stpcpy_1): Detect unterminated char arrays.
10704	* builtins.h (unterminated_array): Declare extern.
10705	* gimple-fold.c (gimple_fold_builtin_stpcpy): Detect unterminated
10706	arrays.
10707	(gimple_fold_builtin_sprintf): Propagate NO_WARNING to transformed
10708	calls.
10709
107102018-09-14  Martin Sebor  <msebor@redhat.com>
10711	    Jeff Law  <law@redhat.com>
10712
10713	* builtins.c (unterminated_array): New.
10714	(expand_builtin_strcpy): Adjust.
10715	(expand_builtin_strcpy_args): Detect unterminated arrays.
10716	* gimple-fold.c (get_maxval_strlen): Add argument.  Detect
10717	unterminated arrays.
10718	* gimple-fold.h (get_maxval_strlen): Add argument.
10719	(gimple_fold_builtin_strcpy): Detec unterminated arrays.
10720
10721	* gimple-fold.c (get_range_strlen): Add argument.
10722	(get_maxval_strlen): Adjust.
10723	* gimple-fold.h (get_range_strlen): Add argument.
10724
107252018-09-14  Wei Xiao  <wei3.xiao@intel.com>
10726
10727	* config/i386/movdirintrin.h: Fix copyright year.
10728
107292018-09-14  Uros Bizjak  <ubizjak@gmail.com>
10730
10731	* reg-stack.c: Include regs.h.
10732	(replace_reg): Assert that mode is MODE_FLOAT or MODE_COMPLEX_FLOAT.
10733	(emit_pop_insn): Default pop insn mode to the reg_raw_mode of
10734	FIRST_STACK_REG, not DFmode.
10735	(emit_swap_insn): Default swap insn mode to the reg_raw_mode of
10736	FIRST_STACK_REG, not XFmode.  Explicitly construct swap RTX.
10737	(change stack): Default register mode to the reg_raw_mode of
10738	FIRST_STACK_REG, not DFmode.
10739	* config/i386/i386.md (*swap<mode>): Remove insn pattern.
10740	(*swapxf): Rename from swapxf.
10741
107422018-09-14  Carl Love  <cel@us.ibm.com>
10743
10744	* config/rs6000/emmintrin.h: Add _MM_SHUFFLE2.
10745	* config/rs6000/xmmintrin.h: Add _MM_SHUFFLE.
10746
107472018-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
10748
10749	PR target/87224
10750	* config/rs6000/rs6000.md (*mov<mode>_hardfloat64): Add Z to the Y
10751	alternatives.
10752
107532018-09-14  Sam Tebbs  <sam.tebbs@arm.com>
10754
10755	PR target/85628
10756	* config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Define.
10757
107582018-09-14  Jason Merrill  <jason@redhat.com>
10759
10760	Fix --enable-gather-detailed-mem-stats.
10761	* hash-table.c (hash_table_usage): Change from variable to function.
10762	* hash-table.h: Adjust.
10763	* Makefile.in: Add missing dependencies on hash-table.h.
10764
107652018-09-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10766
10767	PR tree-optimization/87259
10768	PR lto/87283
10769	(pass_cse_reciprocals::execute): Run optimize_recip_sqrt after
10770	execute_cse_reciprocals_1 has tried transforming.
10771
107722018-09-14  Aldy Hernandez  <aldyh@redhat.com>
10773
10774	* tree-vrp.c (extract_range_from_binary_expr_1): Normalize
10775	VR_VARYING for PLUS/MINUS_EXPR.
10776
107772018-09-14  Ilya Leoshkevich  <iii@linux.ibm.com>
10778
10779	* config/s390/s390-passes.def (INSERT_PASS_BEFORE): Improve
10780	formatting.
10781
107822018-09-14  Richard Biener  <rguenther@suse.de>
10783
10784	PR middle-end/63155
10785	* tree-ssa-coalesce.c (ssa_conflicts_merge): Remove conflict
10786	bits for the merged partition.
10787
107882018-09-13  Martin Sebor  <msebor@redhat.com>
10789	    Bernd Edlinger  <bernd.edlinger@hotmail.de>
10790
10791	* builtins.h (c_srlen): Add argument.
10792	* builtins.c (warn_string_no_nul): New function.
10793	(c_strlen): Add argument and use it.  Update recursive calls.
10794	Pass DECL argument to string_constant to get info on non
10795	terminated strings.  Update *NONSTR as needed.
10796	(fold_builtin_strlen): Add argument to calls to c_strlen.
10797	Warn for unterminated arrays.
10798	(warn_string_no_null): Add prototype.
10799	* expr.c (string_constant): Update arguments.  Update recursive
10800	calls appropriately.  Detect missing NUL terminator and outermost
10801	declaration its missing in.
10802	Improve checks for arrays with nonzero lower bound or elements
10803	that are not a single byte.  Simplify offset computation.
10804	Simplify checks for non-NUL terminated strings.
10805	* gimple-fold.c (get_range_strlen): Add argument to c_strlen call.
10806	* gimple-ssa-sprintf.c (get_string_length): Remove unnecessary code.
10807
108082018-09-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10809
10810	* builtins.c (c_strlen): Handle not zero terminated STRING_CSTs
10811	correctly.
10812	* fold-const.c (c_getstr): Fix function comment.  Remove unused third
10813	argument.  Fix range checks.
10814	* fold-const.h (c_getstr): Adjust protoype.
10815	* gimple-fold.c (gimple_fold_builtin_memory_op): Avoid folding when
10816	string is constant but contains no NUL byte.
10817
10818	* expr.c (string_constant): Adjust function comment.
10819	Remove bogus check for zero termination.
10820
10821	* fold-const.c (c_getstr): Clamp STRING_LENGTH to STRING_SIZE.
10822
10823	* varasm.c (compare_constant): Compare type size of STRING_CSTs.
10824	(get_constant_size): Don't make STRING_CSTs larger than they are.
10825	(check_string_literal): New check function for STRING_CSTs.
10826	(output_constant): Use it.
10827
108282018-09-13  Eric Botcazou  <ebotcazou@adacore.com>
10829
10830	PR target/86812
10831	* config/visium/visium.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
10832
108332018-09-13  Richard Biener  <rguenther@suse.de>
10834
10835	PR tree-optimization/87263
10836	* tree-ssa-sccvn.c (visit_phi): Revert some earlier changes.
10837	(struct unwind_state): Add max_rpo field.
10838	(do_rpo_vn): Allow up-to-date loop state to be used when not iterating.
10839	Compute max_rpo, the max RPO number a block can be backwards reached
10840	from.  Re-write non-iterating mode to a RPO ordered worklist approach,
10841	separating it from the iterating mode.
10842
108432018-09-13  Vlad Lazar  <vlad.lazar@arm.com>
10844
10845	* haifa-sched.c (rank_for_schedule): Schedule by INSN_COST.
10846	(rfs_decision): New scheduling decision.
10847
108482018-09-13  Richard Biener  <rguenther@suse.de>
10849
10850	PR bootstrap/87134
10851	* tree-ssa-sccvn.c (vn_nary_op_insert_into): Fix assert.
10852	(vn_nary_op_insert_pieces_predicated): Do not write useless
10853	valid_dominated_by_p entry outside of the allocated storage.
10854
108552018-09-13  Omar Sandoval  <osandov@osandov.com>
10856	    Tom de Vries  <tdevries@suse.de>
10857
10858	PR debug/86985
10859	* dwarf2out.c (is_c): New function.
10860	(add_subscript_info): Add DW_AT_count of 0 for C zero-length arrays.
10861
108622018-09-13  Sam Tebbs  <sam.tebbs@arm.com>
10863
10864	PR target/85628
10865	* config/aarch64/aarch64.md (*aarch64_bfxil):
10866	Define.
10867	* config/aarch64/constraints.md (Ulc): Define.
10868	* config/aarch64/aarch64-protos.h (aarch64_high_bits_all_ones_p):
10869	Define.
10870	* config/aarch64/aarch64.c (aarch64_high_bits_all_ones_p):
10871	New function.
10872
108732018-09-13  Vlad Lazar  <vlad.lazar@arm.com>
10874
10875	* config/aarch64/aarch64.h (TARGET_COMPUTE_FRAME_LAYOUT): Define.
10876	* config/aarch64/aarch64.c (aarch64_expand_prologue): Remove
10877	aarch64_layout_frame call.
10878	(aarch64_expand_epilogue): Likewise.
10879	(aarch64_initial_elimination_offset): Likewise.
10880	(aarch64_get_separate_components): Likewise.
10881	(aarch64_use_return_insn_p): Likewise.
10882	(aarch64_layout_frame): Remove unneeded check.
10883
108842018-09-13  Jakub Jelinek  <jakub@redhat.com>
10885
10886	* configure.ac: Only append
10887	" : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" to
10888	gcc_config_arguments if it was never reconfigured or last reconfigure
10889	was with different arguments.
10890	* configure: Regenerated.
10891
108922018-09-13  Jakub Jelinek  <jakub@redhat.com>
10893	    Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10894
10895	PR middle-end/87290
10896	* expr.c (maybe_optimize_pow2p_mod_cmp): New function.
10897	(maybe_optimize_mod_cmp): Use it if integer_pow2p treeop1.
10898
108992018-09-13  Jakub Jelinek  <jakub@redhat.com>
10900
10901	PR tree-optimization/87287
10902	* fold-const.c (fold_binary_loc) <case EQ_EXPR>: Move signed modulo
10903	X % C == 0 to X % (unsigned) C == 0 optimization to ...
10904	* match.pd (X % C == 0): ... here.  New optimization.
10905
109062018-09-12  Jakub Jelinek  <jakub@redhat.com>
10907
10908	PR middle-end/82853
10909	* expr.h (maybe_optimize_mod_cmp): Declare.
10910	* expr.c (mod_inv): New function.
10911	(maybe_optimize_mod_cmp): New function.
10912	(do_store_flag): Use it.
10913	* cfgexpand.c (expand_gimple_cond): Likewise.
10914
109152018-09-09  Cesar Philippidis  <cesar@codesourcery.com>
10916	    Julian Brown  <julian@codesourcery.com>
10917
10918	PR middle-end/86336
10919	* gimplify.c (gimplify_scan_omp_clauses): Set
10920	target_firstprivatize_array_bases in OpenACC parallel and kernels
10921	region contexts.  Remove GOMP_MAP_FIRSTPRIVATE_REFERENCE clauses from
10922	OpenACC data regions.
10923
109242018-09-12  Uros Bizjak  <ubizjak@gmail.com>
10925
10926	* config/i386/i386.md (sqrt_extend<mode>xf3_i387): Remove.
10927	(sqrt<mode>2): Extend operand 1 to XFmode and generate sqrtxf3 insn.
10928
109292018-09-12  Richard Biener  <rguenther@suse.de>
10930
10931	PR tree-optimization/87280
10932	* tree-ssa-sccvn.c (process_bb): Handle the case of executable
10933	edge but unreachable target.
10934	(do_rpo_vn): For conservatively handling a PHI only mark
10935	the backedge executable but not the block reachable.
10936
109372018-09-12  Richard Biener  <rguenther@suse.de>
10938
10939	PR tree-optimization/87266
10940	* tree-ssa-sccvn.c (do_rpo_vn): Always iterate to not yet
10941	visited blocks.
10942
109432018-09-12  Andreas Krebbel  <krebbel@linux.ibm.com>
10944
10945	* config/s390/s390.md (PFPO_RND_MODE_DFP, PFPO_RND_MODE_BFP): New
10946	constants.
10947	("trunc<BFP:mode><DFP_ALL:mode>2")
10948	("trunc<DFP_ALL:mode><BFP:mode>2")
10949	("extend<BFP:mode><DFP_ALL:mode>2")
10950	("extend<DFP_ALL:mode><BFP:mode>2"): Set proper rounding mode
10951	according to the target operand type.
10952
109532018-09-12  Jakub Jelinek  <jakub@redhat.com>
10954	    Andreas Krebbel  <krebbel@linux.ibm.com>
10955
10956	PR tree-optimization/86844
10957	* gimple-ssa-store-merging.c
10958	(imm_store_chain_info::coalesce_immediate): For overlapping stores, if
10959	there are any overlapping stores in between them, make sure they are
10960	also coalesced or we give up completely.
10961
109622018-09-12  Jakub Jelinek  <jakub@redhat.com>
10963
10964	PR middle-end/87248
10965	* fold-const.c (fold_ternary_loc) <case COND_EXPR>: Verify also that
10966	BIT_AND_EXPR's second operand is a power of two.  Formatting fix.
10967
109682018-09-12  Tom de Vries  <tdevries@suse.de>
10969
10970	* common.opt (gdescribe-dies): Add option.
10971	* dwarf2out.c (add_name_and_src_coords_attributes): Add description
10972	attribute for artifical and nameless decls.
10973	(dwarf2out_register_external_die): Add description attribute to
10974	external reference die.
10975	(add_desc_attribute): New functions.
10976	(gen_subprogram_die): Add description attribute to
10977	DW_TAG_call_site_parameter.
10978	* tree-pretty-print.c (print_generic_expr_to_str): New function.
10979	* tree-pretty-print.h (print_generic_expr_to_str): Declare.
10980	* doc/invoke.texi (@item Debugging Options): Add -gdescribe-dies and
10981	-gno-describe-dies.
10982	(@item -gdescribe-dies): Add.
10983
109842018-09-12  Aldy Hernandez  <aldyh@redhat.com>
10985
10986	* tree-vrp.c (vrp_shift_undefined_p): Remove.
10987	(extract_range_from_binary_expr_1: Call
10988	wide_int_range_shift_undefined_p instead of vrp_shift_undefined_p.
10989	* wide-int-range.h (wide_int_range_shift_undefined_p): Do not
10990	depend on sign.
10991
109922018-09-12  Aldy Hernandez  <aldyh@redhat.com>
10993
10994	* gimple-ssa-warn-alloca.c
10995	(alloca_type_and_limit::alloca_type_and_limit): Initialize limit
10996	field for ALLOCA_BOUND_*_LARGE.
10997
109982018-09-11  Nathan Sidwell  <nathan@acm.org>
10999
11000	* gcc.c (load_specs, execute, run_attempt): Use %qs not '%s'.
11001
110022018-09-11  Uros Bizjak  <ubizjak@gmail.com>
11003
11004	* reg-stack.c (subst_asm_stack_regs): Call replace_reg also
11005	for clobbers.  Remove obsolete comment.
11006
110072018-09-11  Uros Bizjak  <ubizjak@gmail.com>
11008
11009	* config/i386/i386.md (define_attr "type"): Remove mpxmov, mpxmk,
11010	mpxchk, mpxld and mpxst types.
11011	(define_attr length_immediate): Remove all processing of mpx types.
11012	(define_attr prefix_0f): Ditto.
11013	(define_attr memory): Ditto.
11014
110152018-09-11  Uros Bizjak  <ubizjak@gmail.com>
11016
11017	* config/i386/i386.md (fyl2x_extend<mode>xf3_i387): Remove.
11018	(log<mode>2): Change operand 1 predicate to general_operand.
11019	Extend operand 1 to XFmode and generate logxf3 insn.
11020	(log10<mode>2): Change operand 1 predicate to general_operand.
11021	Extend operand 1 to XFmode and generate log10xf3 insn.
11022	(log2<mode>2): Change operand 1 predicate to general_operand.
11023	Extend operand 1 to XFmode and generate log2xf3 insn.
11024	(fyl2xp1_extend<mode>xf3_i387): Remove.
11025	(log1p<mode>2): Change operand 1 predicate to general_operand.
11026	Extend operand 1 to XFmode and generate log1pxf3 insn.
11027	(fxtract_extend<mode>xf3_i387): Remove.
11028	(logb<mode>2): Change operand 1 predicate to general_operand.
11029	Extend operand 1 to XFmode and generate logbxf3 insn.
11030	(ilogb<mode>2): Change operand 1 predicate to general_operand.
11031	Extend operand 1 to XFmode and generate fxtractxf3_i387 insn.
11032	(significand<mode>2): Change operand 1 predicate to general_operand.
11033	Extend operand 1 to XFmode and generate significandxf3 insn.
11034
110352018-09-11  Nathan Sidwell  <nathan@acm.org>
11036
11037	* gcc.c (perror_with_name, pfatal_with_name): Delete.
11038	(load_specs): Use fatal_error.
11039	(DELETE_IF_ORDINARY, process_command): Use error.
11040	(execute, run_attempt): Use fatal_error.
11041
110422018-09-11  Andrew Stubbs  <ams@codesourcery.com>
11043
11044	* diagnostic-core.h (sorry_at): New prototype.
11045	* diagnostic.c (sorry_at): New function.
11046
110472018-09-11  Aldy Hernandez  <aldyh@redhat.com>
11048
11049	* tree-vrp.c (extract_range_from_binary_expr_1): Treat all divisions
11050	by zero as VR_UNDEFINED.
11051
110522018-09-10  Uros Bizjak  <ubizjak@gmail.com>
11053
11054	* config/i386/i386.md (<sincos>xf2): Rename from *<sincos>xf2_i387.
11055	(*<sincos>_extend<mode>xf2_i387): Remove insn pattern.
11056	(<sincos>mode2): New expander.
11057	(sincos_extend<mode>xf3_i387): Remove insn pattern.
11058	(sincos -> sin, cos splitters): Remove splitter patterns.
11059	(sincos<mode>3): Change operand 2 predicate to general_operand.
11060	Extend operand 2 to XFmode and generate sincosxf3 insn.
11061	(fptanxf4_i387): Change mode of operands 0 and 3 to SFmode.
11062	Change operand 3 predicate to const1_operand.
11063	(fptan_extend<mode>xf4_i387): Remove insn pattern.
11064	(tanxf2): Update operands in the call to fptanxf4_i387.
11065	(tan<mode>2): Change operand 1 predicate to general_operand.
11066	Extend operand 1 to XFmode and generate tanxf3 insn.
11067	(atan2xf3): Rename from *fpatanxf3_i387.
11068	(fpatan_extend<mode>xf3_i387): Remove insn pattern.
11069	(atan2xf3): Remove expander.
11070	(atan2<mode<3):  Change operand 1 and 2 predicates to general_operand.
11071	Extend operands 1 and 2 to XFmode and generate atan2xf3 insn.
11072	(atan<mode>2): Change operand 1 predicate to general_operand.
11073	Extend operand 1 to XFmode and generate atanxf3 insn.
11074
110752018-09-10  Uros Bizjak  <ubizjak@gmail.com>
11076
11077	* config/i386/i386.md (x87/SSE constant load splitter): Use
11078	memory_operand instead of nonimmediate_operand for input operand
11079	predicate.
11080
110812018-09-09  Uros Bizjak  <ubizjak@gmail.com>
11082
11083	* config/i386/i386.md (float partial SSE register stall splitter): Move
11084	splitter near its instruction pattern.
11085	(float_extend partial SSE register stall splitter): Ditto.
11086	(float_truncate partial SSE register stall splitter): Ditto.
11087
110882018-09-09  Hans-Peter Nilsson  <hp@bitrange.com>
11089
11090	PR target/86794
11091	* config/mmix/mmix.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine
11092	to speculation_safe_value_not_needed.
11093
11094	PR target/85666
11095	* config/mmix/mmix.c (mmix_assemble_integer): Handle byte-size
11096	non-CONST_INT rtx:es using assemble_integer_with_op ".byte".
11097	(MMIX_CFUN_NEEDS_SAVED_EH_RETURN_ADDRESS): Don't call
11098	leaf_function_p, instead use has_hard_reg_initial_val.
11099
111002018-09-09  Nathan Sidwell  <nathan@acm.org>
11101
11102	* gcc.h (pfatal_with_name): Don't declare here.
11103	* gcc.c (pfatal_with_name): Make static.
11104
111052018-09-09  Xianmiao Qu  <xianmiao_qu@c-sky.com>
11106
11107	* config/csky/csky.md (*cskyv2_adddi3, *cskyv2_subdi3): Add
11108	earlyclobber.
11109
111102018-09-08  John David Anglin  <danglin@gcc.gnu.org>
11111
11112	PR rtl-optimization/85458
11113	* sel-sched.c (sel_target_adjust_priority): Allow backend adjust
11114	priority hook to reduce the priority of EXPR.
11115
111162018-09-07  Uros Bizjak  <ubizjak@gmail.com>
11117
11118	* config/i386/i386.md (float<SWI48x:mode><MODEF:mode>2) Enable
11119	DImode for x87 on 32bit targets.  Conditionally disable x87 modes
11120	with X87_ENABLE_FLOAT.  Remove preparation code.
11121	(*float<SWI48:mode><MODEF:mode>2): Rename from
11122	*float<SWI48:mode><MODEF:mode>2_mixed.  Handle x87, SSE and mixed
11123	math using "enabled" attribute.
11124	(*floatdi<MODEF:mode>2_i387): Rename from
11125	*float<SWI48x:mode><MODEF:mode>2_i387.  Handle only DImode and
11126	enable for 32bit targets only.
11127	(floatdi<X87MODEF:mode>2_i387_with_xmm pre-reload splitter): New
11128	splitter.
11129	(floatdi<X87MODEF:mode>2_i387_with_xmm): Use register_operand
11130	as operand 1 predicate.  Rewrite as define_insn_and_split.
11131	(floatdi<X87MODEF:mode>2_i387_with_xmm memory input splitter): Remove.
11132
111332018-09-06  Uros Bizjak  <ubizjak@gmail.com>
11134
11135	* reg-stack.c (get_true_reg) <case FLOAT_TRUNCATE>: Reorder
11136	to fallthru to FLOAT case.
11137
111382018-09-06  Will Schmidt  <will_schmidt@vnet.ibm.com>
11139
11140	PR target/86731
11141	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Update logic
11142	around folding of vec_sl to handle out of range shift values.
11143
111442018-09-06  Uros Bizjak  <ubizjak@gmail.com>
11145
11146	* config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Remove.
11147	Update callers to gen_fix_trunc<mode>_i387_fisttp
11148	(fix_trunc<mode>_i387_fisttp): Change operand 0 predicate to
11149	nonimmediate_operand.
11150	(fix_trunc<mode>_i387_fisttp_with_temp): Remove insn pattern
11151	and corresponding splitters.
11152	(*fix_trunc<mode>_i387_1): Always expand with fix_trunc<mode>_i387.
11153	(fix_truncdi_i387): Change operand 0 predicate to nonimmediate_operand.
11154	(fix_truncdi_i387_with_temp): Remove insn pattern
11155	and corresponding splitters.
11156	(fix_trunc<mode>_i387): Change operand 0 predicate to
11157	nonimmediate_operand.
11158	(fix_trunc<mode>_i387_with_temp): Remove insn pattern
11159	and corresponding splitters.
11160	(*fistdi2_1): Remove.
11161	(fistdi2): Ditto.
11162	(fistdi2_with_temp): Remove insn pattern and corresponding splitters.
11163	(lrintxfdi2): Remove expander.  Reimplement as define_insn.
11164	(*fist<mode>2_1): Remove.
11165	(fist<mode>2): Ditto.
11166	(fist<mode>2_with_temp): Remove insn pattern and corresponding
11167	splitters.
11168	(lrintxf<mode>2): Remove expander.  Reimplement as define_insn.
11169	(*fist<mode>2_<rounding>_1): Always expand with fist<mode>2_<rounding>.
11170	(fistdi2_<rounding>): Change operand 0 predicate to
11171	nonimmediate_operand.
11172	(fistdi2_<rounding>_with_temp): Remove insn pattern
11173	and corresponding splitters.
11174	(fist<mode>2_<rounding>): Change operand 0 predicate to
11175	nonimmediate_operand.
11176	(fist<mode>2_<rounding>_with_temp): Remove insn pattern
11177	and corresponding splitters.
11178
11179	(*fixuns_trunc<mode>si2_avx512f_zext): Depend on TARGET_SSE_MATH.
11180
111812018-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11182
11183	* varasm.c (output_constructor_regular_field): Check TYPE_SIZE_UNIT of
11184	the init value.
11185
111862018-09-06  Will Schmidt  <will_schmidt@vnet.ibm.com>
11187
11188	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support for
11189	early gimple folding of vec_splat().
11190	* tree-vect-generic.c: Remove static from tree_vec_extract() definition.
11191	* gimple-fold.h: Add an extern define for tree_vec_extract().
11192
111932018-09-06  Will Schmidt  <will_schmidt@vnet.ibm.com>
11194
11195	* config/rs6000/rs6000.c (fold_mergehl_helper): Add types_compatible_p
11196	wrappers around TREE_TYPE comparisons.
11197
111982018-09-06  Ilya Leoshkevich  <iii@linux.ibm.com>
11199
11200	PR target/80080
11201	* config/s390/predicates.md: Add nonsym_memory_operand.
11202	* config/s390/s390.c (s390_legitimize_cs_operand): If operand
11203	contains a SYMBOL_REF, load it into an intermediate pseudo.
11204	(s390_emit_compare_and_swap): Legitimize operand.
11205	* config/s390/s390.md: Use the new nonsym_memory_operand
11206	with UNSPECV_CAS patterns.
11207
112082018-09-06  Ilya Leoshkevich  <iii@linux.ibm.com>
11209
11210	PR target/80080
11211	* config/s390/s390-passes.def: New file.
11212	* config/s390/s390-protos.h (class rtl_opt_pass): Add forward
11213	declaration.
11214	(make_pass_s390_early_mach): Add declaration.
11215	* config/s390/s390.c (make_pass_s390_early_mach):
11216	(s390_option_override): Remove dynamic registration.
11217	* config/s390/t-s390: Add s390-passes.def.
11218
112192018-09-06  Ilya Leoshkevich  <iii@linux.ibm.com>
11220
11221	* config/s390/s390.c (s390_decompose_constant_pool_ref):
11222	Remove UNSPEC_LTREL_BASE check.
11223	(annotate_constant_pool_refs): Likewise.
11224	(find_constant_pool_ref): Likewise.
11225	(find_ltrel_base): Removed.
11226	(replace_ltrel_base): Removed.
11227	(s390_mainpool_finish): Remove replace_ltrel_base call.
11228	(s390_chunkify_start): Remove pending LTREL_BASE logic.
11229	(s390_chunkify_finish): Remove replace_ltrel_base call.
11230	* config/s390/s390.md: Remove UNSPEC_LTREL_BASE.
11231
112322018-09-06  Hans-Peter Nilsson  <hp@axis.com>
11233
11234	PR target/86779
11235	* config/cris/cris.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine
11236	to speculation_safe_value_not_needed.
11237
112382018-09-05  Cesar Philippidis  <cesar@codesourcery.com>
11239	    Bernd Schmidt  <bernds_cb1@t-online.de>
11240
11241	* config/nvptx/nvptx-opts.h: New file.
11242	* config/nvptx/nvptx.c (nvptx_file_start): Print the correct .target.
11243	* config/nvptx/nvptx.h: Include "nvptx-opts.h".
11244	(ASM_SPEC): Define.
11245	(TARGET_SM35): New macro.
11246	* config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with the
11247	correct predicate.
11248	* config/nvptx/nvptx.opt (ptx_isa, sm_30, sm_35): New enum and its
11249	values.
11250	(misa=): New option.
11251	* doc/invoke.texi (Nvidia PTX Options): Document -misa.
11252
112532018-09-05  Uros Bizjak  <ubizjak@gmail.com>
11254
11255	* config/i386/i386.md (truncdfsf2): Remove expander.
11256	(truncdfsf2_with_temp): Ditto.
11257	(truncxf<mode>2): Ditto.
11258	(*truncdfsf_fast_mixed): Remove insn pattern.
11259	(*truncdfsf_fast_i387): Ditto.
11260	(*truncdfsf_mixed): Ditto.
11261	(*truncdfsf_i387): Ditto.
11262	(*truncdfsf2_i387_1): Ditto.
11263	(*truncxfsf2_mixed): Ditto.
11264	(*truncxfdf2_mixed): Ditto.
11265	(*truncxf<mode>2_i387_noop): Ditto. Update callers
11266	to call gen_truncxf<mode>2 instead.
11267	(*truncxf<mode>2_i387): Remove.
11268	(reg->reg splitters): Remove splitter pattern.
11269	(reg->mem splitters): Ditto.
11270
11271	(truncdfsf2): New insn pattern.
11272	(truncxf<mode>2): Ditto.
11273
112742018-09-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11275
11276	* tree-ssa-math-opts.c (is_mult_by): New function.
11277	(is_square_of): Use the above.
11278	(optimize_recip_sqrt): New function.
11279	(pass_cse_reciprocals::execute): Use the above.
11280
112812018-09-05  Richard Biener  <rguenther@suse.de>
11282
11283	PR bootstrap/87134
11284	* tree-ssa-sccvn.c (rpo_elim::eliminate_push_avail): Make sure
11285	to zero-init the emplaced vec.
11286
112872018-09-05  Martin Liska  <mliska@suse.cz>
11288
11289	PR tree-optimization/87205
11290	* tree-switch-conversion.c (pass_lower_switch::execute):
11291	Group cases for switch statements.
11292
112932018-09-05  Richard Biener  <rguenther@suse.de>
11294
11295	PR tree-optimization/87217
11296	* tree-ssa-sccvn.c (vuse_valueize): New.
11297	(vn_reference_lookup_pieces): Use it.
11298	(vn_reference_lookup): Likewise.
11299
113002018-09-05  Nathan Sidwell  <nathan@acm.org>
11301
11302	PR c++/87137
11303	* stor-layout.c (place_field): Scan forwards to check last
11304	bitfield when ms_bitfield_placement is in effect.
11305
113062018-09-05  Richard Biener  <rguenther@suse.de>
11307
11308	PR bootstrap/87225
11309	* tree-vect-stmts.c (vectorizable_simd_clone_call): Fix bogus
11310	return.
11311
113122018-09-05  Siddhesh Poyarekar  <siddhesh@sourceware.org>
11313	    Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
11314
11315	* config/aarch64/falkor-tag-collision-avoidance.c: New file.
11316	* config.gcc (extra_objs): Build it.
11317	* config/aarch64/t-aarch64 (falkor-tag-collision-avoidance.o):
11318	Likewise.
11319	* config/aarch64/aarch64-passes.def
11320	(pass_tag_collision_avoidance): New pass.
11321	* config/aarch64/aarch64.c (qdf24xx_tunings): Add
11322	AARCH64_EXTRA_TUNE_RENAME_LOAD_REGS to tuning_flags.
11323	(aarch64_classify_address): Remove static qualifier.
11324	(aarch64_address_info, aarch64_address_type): Move to...
11325	* config/aarch64/aarch64-protos.h: ... here.
11326	(make_pass_tag_collision_avoidance): New function.
11327	* config/aarch64/aarch64-tuning-flags.def (rename_load_regs):
11328	New tuning flag.
11329
113302018-09-05  Martin Liska  <mliska@suse.cz>
11331
11332	* doc/gcov.texi: Update documentation of humar
11333	readable mode.
11334	* gcov.c (format_count): Print one decimal place, it provides
11335	more fine number of situations like '1G' vs. '1.4G'.
11336
113372018-09-05  Martin Liska  <mliska@suse.cz>
11338
11339	PR target/87164
11340	* config/rs6000/rs6000.opt: Mark the option as Deprecated.
11341	* optc-gen.awk: Allow 'Var' for Deprecated options in order
11342	to generate a MASK value.
11343
113442018-09-04  H.J. Lu  <hongjiu.lu@intel.com>
11345
11346	PR debug/86593
11347	* dwarf2out.c (based_loc_descr): Allow hard frame pointer even
11348	if frame pointer isn't used.
11349	(compute_frame_pointer_to_fb_displacement): Likewise.
11350
113512018-09-04  Jakub Jelinek  <jakub@redhat.com>
11352
11353	PR target/87198
11354	* common/config/i386/i386-common.c (OPTION_MASK_ISA_XSAVEOPT_SET,
11355	OPTION_MASK_ISA_XSAVES_SET, OPTION_MASK_ISA_XSAVEC_SET): Use
11356	OPTION_MASK_ISA_XSAVE_SET instead of OPTION_MASK_ISA_XSAVE.
11357	(OPTION_MASK_ISA_XSAVE_UNSET): Add OPTION_MASK_ISA_XSAVES_UNSET
11358	and OPTION_MASK_ISA_XSAVEC_UNSET.
11359
113602018-09-04  Max Filippov  <jcmvbkbc@gmail.com>
11361
11362	* config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and
11363	XOR operations in NAND case.
11364
113652018-09-04  Aldy Hernandez  <aldyh@redhat.com>
11366
11367	* wide-int-range.cc (wide_int_range_convert): New.
11368	* wide-int-range.h (wide_int_range_convert): New.
11369	* tree-vrp.c (extract_range_from_unary_expr): Abstract wide int
11370	code into wide_int_range_convert.
11371	(extract_range_into_wide_ints): Do not munge anti range constants
11372	into the entire domain.  Just return the range back.
11373
113742018-09-04  Martin Liska  <mliska@suse.cz>
11375
11376	* genmatch.c (output_line_directive): Add new argument
11377	fnargs.
11378	(dt_simplify::gen_1): Encapsulate dump within __builtin_expect.
11379
113802018-09-04  Jonathan Wakely  <jwakely@redhat.com>
11381
11382	* doc/invoke.texi (Option Summary): Add whitespace.
11383
11384	* doc/invoke.texi (Option Summary): Add -Waligned-new.
11385
113862018-09-04  Richard Biener  <rguenther@suse.de>
11387
11388	PR tree-optimization/87211
11389	* tree-ssa-sccvn.c (visit_phi): When value-numbering to a
11390	backedge value we're supposed to treat as VARYING also number
11391	the PHI to VARYING in case it got a different value-number already.
11392
113932018-09-04  Aldy Hernandez  <aldyh@redhat.com>
11394
11395	* tree-vrp.c (vrp_can_optimize_bit_op): Remove.
11396	(extract_range_from_binary_expr_1): Do not call
11397	vrp_can_optimize_bit_op.
11398	* wide-int-range.cc (wide_int_range_can_optimize_bit_op): Make
11399	static.
11400	(wide_int_range_get_mask_and_bounds): New.
11401	(wide_int_range_optimize_bit_op): New.
11402	(wide_int_range_bit_ior): Call wide_int_range_optimize_bit_op.
11403	(wide_int_range_bit_and): Same.
11404	* wide-int-range.h (wide_int_range_can_optimize_bit_op): Remove.
11405	(wide_int_range_optimize_bit_op): New.
11406	(wide_int_range_get_mask_and_bounds): New.
11407
114082018-09-04  Richard Biener  <rguenther@suse.de>
11409
11410	PR tree-optimization/87176
11411	* tree-ssa-sccvn.c (visit_phi): Remove redundant allsame
11412	variable.  When value-numbering a virtual PHI node make sure
11413	to not value-number to the backedge value.
11414
114152018-09-04  Jonathan Wakely  <jwakely@redhat.com>
11416
11417	* doc/extend.texi (Long Long, Hex Floats): Document support for
11418	long long and hex floats in more recent versions of ISO C++.
11419
114202018-09-03  Richard Biener  <rguenther@suse.de>
11421
11422	PR tree-optimization/87177
11423	* tree-ssa-sccvn.c (vuse_ssa_val): Revert previous change, keep
11424	cleanup.
11425
114262018-09-03  Alexander Monakov  <amonakov@ispras.ru>
11427
11428	* bb-reorder.c (edge_order): Convert to C-qsort-style
11429	tri-state comparator.
11430	(reorder_basic_blocks_simple): Change std::stable_sort to
11431	gcc_stablesort.
11432
114332018-09-03  Alexander Monakov  <amonakov@ispras.ru>
11434
11435	* tree-loop-distribution.c (offset_cmp): Convert to C-qsort-style
11436	tri-state comparator.
11437	(fuse_memset_builtins): Change std::stable_sort to gcc_stablesort.
11438
114392018-09-03  Alexander Monakov  <amonakov@ispras.ru>
11440
11441	* sort.cc (struct sort_ctx): New field 'nlim'.  Use it...
11442	(mergesort): ... here as maximum count for using netsort.
11443	(gcc_qsort): Set nlim to 3 if stable sort is requested.
11444	(gcc_stablesort): New.
11445	* system.h (gcc_stablesort): Declare.
11446
114472018-09-03  Alexander Monakov  <amonakov@ispras.ru>
11448
11449	* sort.cc (gcc_qsort) [CHECKING_P]: Call qsort_chk.
11450	* system.h (qsort): Always redirect to gcc_qsort.  Update comment.
11451	* vec.c (qsort_chk): Do not call gcc_qsort.  Update comment.
11452
114532018-09-03  Segher Boessenkool  <segher@kernel.crashing.org>
11454
11455	* config/rs6000/rs6000.md (*mov<mode>_hardfloat32): Remove %U from the
11456	lxsdx and stxsdx alternatives.
11457	(*mov<mode>_hardfloat64): Ditto.
11458	* config/rs6000/vsx.md (*vsx_extract_<mode>_store): Ditto.
11459
114602018-09-03  Richard Biener  <rguenther@suse.de>
11461
11462	PR tree-optimization/87200
11463	* tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Valueize a
11464	simplify result.
11465
114662018-09-03  Martin Liska  <mliska@suse.cz>
11467
11468	PR tree-optimization/87201
11469	* tree-switch-conversion.c (switch_decision_tree::balance_case_nodes):
11470	Fix parenthesis in an expression.
11471
114722018-09-03  Richard Biener  <rguenther@suse.de>
11473
11474	PR tree-optimization/87197
11475	* tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Mark the new def
11476	visited.  CSE the VN_INFO hashtable lookup.
11477
11478	PR tree-optimization/87169
11479	* tree-ssa-sccvn.c (do_rpo_vn): When marking loops for not
11480	iterating make sure there's no extra backedges from irreducible
11481	regions feeding the header.  Mark the destination block
11482	executable.
11483
114842018-09-03  Martin Liska  <mliska@suse.cz>
11485
11486	PR driver/83193
11487	* common/common-target.def: Add TARGET_GET_VALID_OPTION_VALUES.
11488	* common/common-targhooks.c (default_get_valid_option_values):
11489	New function.
11490	* common/common-targhooks.h (default_get_valid_option_values):
11491	Likewise.
11492	* common/config/i386/i386-common.c: Move processor_target_table
11493	from i386.c.
11494	(ix86_get_valid_option_values): New function.
11495	(TARGET_GET_VALID_OPTION_VALUES): New macro.
11496	* config/i386/i386.c (struct ptt): Move to i386-common.c.
11497	(PTA_*): Move all defined masks into i386-common.c.
11498	(ix86_function_specific_restore): Use new processor_cost_table.
11499	* config/i386/i386.h (struct ptt): Moved from i386.c.
11500	(struct pta): Likewise.
11501	* doc/tm.texi: Document new TARGET_GET_VALID_OPTION_VALUES.
11502	* doc/tm.texi.in: Likewise.
11503	* opt-suggestions.c (option_proposer::suggest_option):
11504	Pass prefix to build_option_suggestions.
11505	(option_proposer::get_completions): Likewise.
11506	(option_proposer::build_option_suggestions): Use the new target
11507	hook.
11508	* opts.c (struct option_help_tuple): New struct.
11509	(print_filtered_help): Use the new target hook.
11510
115112018-09-03  Martin Liska  <mliska@suse.cz>
11512
11513	PR middle-end/59521
11514	* predict.c (set_even_probabilities): Add likely_edges
11515	argument and handle cases where we have precisely one
11516	likely edge.
11517	(combine_predictions_for_bb): Catch also likely_edges.
11518	(tree_predict_by_opcode): Handle gswitch statements.
11519	* tree-cfg.h (find_case_label_for_value): New declaration.
11520	(find_taken_edge_switch_expr): Likewise.
11521	* tree-switch-conversion.c (switch_decision_tree::balance_case_nodes):
11522	Find pivot in decision tree based on probabily, not by number of
11523	nodes.
11524
115252018-09-02  Gerald Pfeifer  <gerald@pfeifer.com>
11526
11527	* doc/standards.texi (Standards): Update Objective-C reference.
11528
115292018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
11530
11531	* doc/install.texi (Prerequisites): Update link for MPC.
11532
115332018-09-01  Michael Matz  <matz@suse.de>
11534
11535	PR tree-optimization/87074
11536	* gimple-loop-jam.c (unroll_jam_possible_p): Check loop exit
11537	PHIs for outer-loop uses.
11538
115392018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
11540
11541	* doc/generic.texi (OpenMP): Adjust link to openmp.org.
11542	* doc/invoke.texi (C Dialect Options): Ditto.
11543
115442018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
11545
11546	* doc/install.texi (Prerequisites): Adjust link mpfr.org.
11547
115482018-08-31  Richard Biener  <rguenther@suse.de>
11549
11550	PR tree-optimization/87168
11551	* tree-ssa-sccvn.c (SSA_VAL): Add visited output parameter.
11552	(rpo_elim::eliminate_avail): When OP was not visited it must
11553	be available.
11554
115552018-08-31  David Malcolm  <dmalcolm@redhat.com>
11556
11557	* tree-vrp.c (copy_value_range): Convert param "from" from
11558	"value_range *" to "const value_range *".
11559	(range_is_null): Likewise for param "vr".
11560	(range_int_cst_p): Likewise.
11561	(range_int_cst_singleton_p): Likewise.
11562	(symbolic_range_p): Likewise.
11563	(value_ranges_intersect_p): Likewise for both params.
11564	(value_range_nonnegative_p): Likewise for param "vr".
11565	(value_range_constant_singleton): Likewise.
11566	(vrp_set_zero_nonzero_bits): Likewise for param "ar".
11567	(extract_range_into_wide_ints): Likewise for param "vr".
11568	(extract_range_from_multiplicative_op): Likewise for params "vr0"
11569	and "vr1".
11570	(vrp_can_optimize_bit_op): Likewise.
11571	(extract_range_from_binary_expr_1): Likewise for params "vr0_" and
11572	"vr1_".
11573	(extract_range_from_unary_expr): Likewise.
11574	(debug_value_range): Likewise for param "vr".
11575	(value_range::dump): Add "const" qualifier.
11576	(vrp_prop::check_array_ref): Convert local "vr" from
11577	"value_range *" to "const value_range *".
11578	(vrp_prop::check_mem_ref): Likewise.
11579	(vrp_prop::visit_stmt): Likewise for local "old_vr".
11580	(vrp_intersect_ranges_1): Likewise for param "vr_1".
11581	(vrp_intersect_ranges): Likewise.
11582	(simplify_stmt_for_jump_threading): Likewise for local "vr".
11583	(vrp_prop::vrp_finalize): Likewise.
11584	* tree-vrp.h (value_range::dump): Add "const" qualifier.
11585	(vrp_intersect_ranges): Add "const" qualifier to params as above.
11586	(extract_range_from_unary_expr): Likewise.
11587	(value_range_constant_singleton): Likewise.
11588	(symbolic_range_p): Likewise.
11589	(copy_value_range): Likewise.
11590	(extract_range_from_binary_expr_1): Likewise.
11591	(range_int_cst_p): Likewise.
11592	(vrp_set_zero_nonzero_bits): Likewise.
11593	(range_int_cst_singleton_p): Likewise.
11594
115952018-08-31  Vlad Lazar  <vlad.lazar@arm.com>
11596
11597	* config/aarch64/arm_neon.h (vabsd_s64): New.
11598	(vnegd_s64): Likewise.
11599
116002018-08-31  Martin Jambor  <mjambor@suse.cz>
11601
11602	* ipa-cp.c (estimate_local_effects): Replace wrong MAX with MIN.
11603
116042018-08-31  Martin Liska  <mliska@suse.cz>
11605
11606	* ipa-icf.c (sem_item::add_type): Use
11607	sem_item::m_type_hash_cache.
11608	* ipa-icf.h: Move the cache from sem_item_optimizer
11609	to sem_item.
11610
116112018-08-31  Nathan Sidwell  <nathan@acm.org>
11612
11613	* doc/extend.texi (Backwards Compatibility): Remove implicit
11614	extern C leeway of () being (...).
11615
116162018-08-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11617
11618	* ipa-inline.c (can_inline_edge_by_limits_p): Fix typos in comment.
11619
116202018-08-31  Segher Boessenkool  <segher@kernel.crashing.org>
11621
11622	PR target/86684
11623	PR target/87149
11624	* config/rs6000/rs6000.md (lround<mode>di2): Gate on TARGET_FPRND.
11625
116262018-08-31  Jakub Jelinek  <jakub@redhat.com>
11627
11628	PR middle-end/87138
11629	* expmed.c (expand_mult_const): Use immed_wide_int_const instead of
11630	gen_int_mode.  Formatting fixes.
11631
116322018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
11633
11634	* target.def (custom_function_descriptors): Improve documentation.
11635	* doc/tm.texi.in (Trampolines): Expand discussion of function
11636	descriptors and move TARGET_CUSTOM_FUNCTION_DESCRIPTORS to the
11637	beginning of the section.
11638	* doc/tm.texi: Regenerated.
11639
116402018-08-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
11641
11642	* cfg.h (class auto_edge_flag): Spell out the template-id of the
11643	base class in the initializer list.  This is a workaround for
11644	building with older GCC.
11645	(class auto_bb_flag): Likewise.
11646
116472018-08-30  Aaron Sawdey  <acsawdey@linux.ibm.com>
11648
11649	* config/rs6000/altivec.md (altivec_eq<mode>): Remove star.
11650	(altivec_vcmpequ<VI_char>_p): Remove star.
11651	* config/rs6000/rs6000-string.c (do_load_for_compare): Support
11652	vector load modes.
11653	(expand_strncmp_vec_sequence): New function.
11654	(emit_final_str_compare_vec): New function.
11655	(expand_strn_compare): Add support for vector strncmp.
11656	* config/rs6000/rs6000.opt (-mstring-compare-inline-limit): Change
11657	length specification to bytes.
11658	* config/rs6000/vsx.md (vsx_ld_elemrev_v16qi_internal): Remove star.
11659	(vcmpnezb_p): New pattern.
11660	* doc/invoke.texi (RS/6000 and PowerPC Options): Update documentation
11661	for option -mstring-compare-inline-limit.
11662
116632018-08-30  Thiago Macieira  <thiago.macieira@intel.com>
11664
11665	* config/i386/i386.c (PTA_WESTMERE): Remove PTA_AES.
11666	(PTA_SKYLAKE): Add PTA_AES.
11667	(PTA_GOLDMONT): Likewise.
11668
116692018-08-29  Jan Hubicka  <jh@suse.cz>
11670
11671	PR lto/86517
11672	* lto-opts.c (lto_write_options): Always stream PIC/PIE mode.
11673	* lto-wrapper.c (merge_and_complain): Fix merging of PIC/PIE.
11674
116752018-08-29  Jan Hubicka  <jh@suse.cz>
11676
11677	* lto-streamer-out.c (DFS::DFS_write_tree_body): Do not follow
11678	TYPE_STUB_DECL.
11679	(hash_tree): Do not visit TYPE_STUB_DECL.
11680	* tree-streamer-out.c (write_ts_type_common_tree_pointers): Do not
11681	stream TYPE_STUB_DECL.
11682	* tree-streamer-in.c (lto_input_ts_type_common_tree_pointers): Likewise.
11683	* ipa-utils.h (type_with_linkage_p): Do not rely on TYPE_STUB_DECL
11684	after free_lang_data.
11685	(type_in_anonymous_namespace_p): Likewise.
11686
116872018-08-29  Jan Hubicka  <jh@suse.cz>
11688
11689	* sreal.h (SREAL_PART_BITS): Change to 31; remove seemingly unnecessary
11690	comment that it has to be even number.
11691	(class sreal): Change m_sig type to int32_t.
11692	* sreal.c (sreal::dump, sreal::to_int, opreator+, operator-): Use
11693	int64_t for temporary calculations.
11694	(sreal_verify_basics): Drop one bit from minimum and maximum.
11695
116962018-08-30  Richard Biener  <rguenther@suse.de>
11697
11698	PR tree-optimization/87147
11699	* tree-ssa-sccvn.c (SSA_VISITED): New function.
11700	(visit_phi): When the degenerate result is from the backedge and
11701	we didn't visit its definition yet drop to VARYING.
11702	(do_rpo_vn): Properly mark blocks with incoming backedges as executable.
11703
117042018-08-29  Jan Hubicka  <jh@suse.cz>
11705
11706	* lto-streamer-out.c (DFS::DFS_write_tree_body): Do not walk
11707	DECL_VINDEX.
11708	(hash_tree): Likewise.
11709
117102018-08-29  Jan Hubicka  <jh@suse.cz>
11711
11712	* tree.c (find_decls_types_r): Walk also TYPE_NEXT_PTR_TO
11713	and TYPE_NEXT_REF_TO.
11714
117152018-08-29  Jan Hubicka  <jh@suse.cz>
11716
11717	* sreal.h (SREAL_PART_BITS): Change to 31; remove seemingly unnecessary
11718	comment that it has to be even number.
11719	(class sreal): Change m_sig type to int32_t.
11720	* sreal.c (sreal::dump, sreal::to_int, opreator+, operator-): Use
11721	int64_t for temporary calculations.
11722	(sreal_verify_basics): Drop one bit from minimum and maximum.
11723
117242018-08-30  Tamar Christina  <tamar.christina@arm.com>
11725
11726	* config/aarch64/aarch64.c (aarch64_expand_movmem): Set TImode max.
11727
117282018-08-30  Vlad Lazar  <vlad.lazar@arm.com>
11729
11730	PR middle-end/86995
11731	* expmed.c (canonicalize_comparison): Use wi::sub instead of wi::add
11732	if to_add is negative.
11733
117342018-08-29  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11735
11736	PR middle-end/87053
11737	* builtins.c (c_strlen): Improve range checks.
11738
117392018-08-29  Martin Sebor  <msebor@redhat.com>
11740	    Jeff Law  <law@redhat.com>
11741
11742	PR tree-optimization/86714
11743	PR tree-optimization/86711
11744	* builtins.c (c_strlen): Add arguments to call to string_constant.
11745	* expr.c (string_constant): Add argument.  Detect missing nul
11746	terminator and outermost declaration it's missing in.
11747	* expr.h (string_constant): Add argument.
11748	* fold-const.c (read_from_constant_string): Add arguments to call to
11749	string_constant.
11750	(c_getstr): Likewise.
11751	* tree-ssa-forwprop.c (simplify_builtin_call): Likewise.
11752	to string_constant.
11753	* tree-ssa-strlen.c (get_stridx): Likewise.
11754
117552018-08-29  Jan Hubicka  <jh@suse.cz>
11756
11757	* tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers):
11758	Do not stream DECL_VINDEX.
11759	* tree-streamer-out.c (write_ts_function_decl_tree_pointers): Likewise.
11760	* tree.c (free_lang_data_in_decl): Clear DECL_VINDEX.
11761	(decl_function_context): Use DECL_VIRTUAL_P rather than DECL_VINDEX.
11762
117632018-08-29  Richard Biener  <rguenther@suse.de>
11764
11765	* tree-ssa-sccvn.c (vuse_ssa_val): Return NULL for unvisited
11766	virtual operands that are not default defs to honor region
11767	boundaries.
11768	(rpo_vn_valueize): Remove ineffective code here.
11769
117702018-08-29  Richard Biener  <rguenther@suse.de>
11771
11772	PR tree-optimization/87132
11773	* tree-ssa-alias.c (get_continuation_for_phi): Do not translate
11774	when skipping defs reachable over backedges.
11775
117762018-08-29  Richard Biener  <rguenther@suse.de>
11777
11778	* tree-core.h: Document use of deprecated_flag in SSA_NAME.
11779	* tree.h (SSA_NAME_POINTS_TO_READONLY_MEMORY): Define.
11780	* tree-into-ssa.c (pass_build_ssa::execute): Initialize
11781	function parameters SSA_NAME_POINTS_TO_READONLY_MEMORY from fnspec.
11782	* tree-ssa-sccvn.c (const_parms, init_const_parms): Remove.
11783	(vn_reference_lookup_3): Remove use of const_parms.
11784	(free_rpo_vn): Do not free const_parms.
11785	(do_rpo_vn): Do not call init_const_parms.
11786	* tree-ssa-alias.c (refs_may_alias_p_1): Honor
11787	SSA_NAME_POINTS_TO_READONLY_MEMORY.
11788	(call_may_clobber_ref_p_1): Likewise.
11789
117902018-08-29  Alexander Monakov  <amonakov@ispras.ru>
11791
11792	PR other/86726
11793	* invoke.texi (Optimization Options): List -ftree-scev-cprop.
11794	(-O): Ditto.
11795	(-ftree-scev-cprop): Document.
11796
117972018-08-29  Jan Hubicka  <jh@suse.cz>
11798
11799	* sreal.h (normalize, normalize_up, normalize_down): Add new_sig/new_exp
11800	parameters.
11801	(sreal constructor): Update.
11802	* sreal.c (sreal:operator+, sreal:operator-, sreal:operator*,
11803	sreal:operator/): Update.
11804
118052018-08-29  Martin Liska  <mliska@suse.cz>
11806
11807	* tree-switch-conversion.c (switch_conversion::expand):
11808	Strenghten assumption about gswitch statements.
11809
118102018-08-29  Richard Biener  <rguenther@suse.de>
11811
11812	PR tree-optimization/87117
11813	* tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Only
11814	re-value-number released SSA VDEFs.
11815
118162018-08-29  Richard Biener  <rguenther@suse.de>
11817
11818	PR tree-optimization/87126
11819	* tree-ssa-sccvn.c (vn_reference_insert): Remove assert.
11820
118212018-08-28  Jim Wilson  <jimw@sifive.com>
11822
11823	* config/riscv/pic.md: Rewrite.
11824	* config/riscv/riscv.c (riscv_address_insns): Return cost of 3 for
11825	invalid address.
11826	* config/riscv/riscv.md (ZERO_EXTEND_LOAD): Delete.
11827	(SOFTF, default_load, softload, softstore): New.
11828
118292018-08-28  Jeff Law  <law@redhat.com>
11830
11831	* fold-const.c (fold_binary_loc): Remove recently added assert.
11832
118332018-08-28  Joern Rennecke  <joern.rennecke@riscy-ip.com>
11834
11835	* genpreds.c (write_predicate_subfunction): Also add ATTRIBUTE_UNUSED
11836	to OP parmeter of generated function.
11837
118382018-08-28  MCC CS  <deswurstes@users.noreply.github.com>
11839
11840	PR tree-optimization/87009
11841	* match.pd: Add boolean optimizations.
11842
118432018-08-28  Martin Sebor  <msebor@redhat.com>
11844
11845	PR middle-end/86631
11846	* calls.c (alloc_max_size): Treat HOST_WIDE_INT special.
11847	* gimple-ssa-warn-alloca.c (adjusted_warn_limit): New function.
11848	(pass_walloca::gate): Use it.
11849	(alloca_call_type): Same.
11850	(pass_walloca::execute): Same.
11851	* stor-layout.c (layout_decl): Treat HOST_WIDE_INT special.
11852
118532018-08-28  David Malcolm  <dmalcolm@redhat.com>
11854
11855	* dumpfile.h (ATTRIBUTE_GCC_DUMP_PRINTF): Change version check on
11856	GCC_VERSION for usage of "__gcc_dump_printf__" format from
11857	>= 3005 to >= 9000.
11858
118592018-08-28  Richard Biener  <rguenther@suse.de>
11860
11861	PR tree-optimization/87124
11862	* tree-ssa-sccvn.c (vn_lookup_simplify_result): Guard against
11863	constants before looking up avail.
11864
118652018-08-28  Jakub Jelinek  <jakub@redhat.com>
11866
11867	PR middle-end/87099
11868	* calls.c (maybe_warn_nonstring_arg): Punt early if
11869	warn_stringop_overflow is zero.  Don't call get_range_strlen
11870	on 3rd argument, keep iterating until lenrng[1] is INTEGER_CST.
11871	Swap comparison operands to have constants on rhs.  Only use
11872	lenrng[1] if non-NULL and INTEGER_CST.  Don't uselessly
11873	increment lenrng[0].
11874
118752018-08-28  Richard Sandiford  <richard.sandiford@arm.com>
11876
11877	* tree-ssa-sccvn.c (fully_constant_vn_reference_p): Fix unguarded
11878	use of tree_to_shwi.  Remove duplicated test for the size being
11879	a whole number of bytes.
11880
118812018-08-28  Richard Biener  <rguenther@suse.de>
11882
11883	PR tree-optimization/87117
11884	* tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_cleanup):
11885	Handle removed stmt without LHS (GIMPLE_NOP).
11886
118872018-08-28  Richard Biener  <rguenther@suse.de>
11888
11889	PR tree-optimization/87117
11890	* tree-ssa-sccvn.c (fully_constant_vn_reference_p): Exclude
11891	void which is is_gimple_reg_type by checking for COMPLETE_TYPE_P.
11892
118932018-08-28  Richard Biener  <rguenther@suse.de>
11894
11895	PR tree-optimization/87117
11896	* tree-ssa-pre.c (compute_avail): Do not make expressions
11897	with predicated values available.
11898	(get_expr_value_id): Assert we do not run into predicated value
11899	expressions.
11900
119012018-08-28  Richard Biener  <rguenther@suse.de>
11902
11903	PR tree-optimization/87117
11904	* tree-ssa-operands.c (add_stmt_operand): STRING_CST may
11905	get virtual operands.
11906	(get_expr_operands): Handle STRING_CST like other decls.
11907
119082018-08-28  Martin Liska  <mliska@suse.cz>
11909
11910	* tree.h: Update documentation of fndecl_built_in_p
11911	functions.
11912
11913
119142018-08-27  Jeff Law  <law@redhat.com>
11915	PR tree-optimization/87110
11916	* tree-ssa-dse.c (compute_trims): Handle non-constant
11917	TYPE_SIZE_UNIT.
11918
119192018-08-27  Martin Sebor  <msebor@redhat.com>
11920
11921	PR tree-optimization/86914
11922	* tree-ssa-strlen.c (maybe_set_strlen_range): Avoid MEM_REF.
11923
119242018-08-27  Martin Sebor  <msebor@redhat.com>
11925
11926	PR tree-optimization/87112
11927	* builtins.c (expand_builtin_strnlen): Convert c_strlen result to
11928	the type of the bound argument.
11929
119302018-08-27  Jeff Law  <law@redhat.com>
11931
11932	* tree-ssa-dse.c (compute_trims): Handle case where the reference's
11933	type does not have a TYPE_SIZE_UNIT.
11934
119352018-08-27  Steve Ellcey  <sellcey@cavium.com>
11936
11937	* config/aarch64/aarch64-speculation.cc: Replace include of cfg.h
11938	with include of backend.h.
11939
119402018-08-27  Richard Biener  <rguenther@suse.de>
11941
11942	PR tree-optimization/86927
11943	* tree-vect-loop.c (vect_create_epilog_for_reduction): Properly
11944	use const cond reduction code.
11945
119462018-08-27  Alexander Monakov  <amonakov@ispras.ru>
11947
11948	PR tree-optimization/85758
11949	* match.pd ((X & Y) ^ Y): Add :s qualifier to inner expression.
11950
119512018-08-27  David Malcolm  <dmalcolm@redhat.com>
11952
11953	PR c++/87091
11954	* diagnostic-show-locus.c (class layout_range): Update for
11955	conversion of show_caret_p to a tri-state.
11956	(layout_range::layout_range): Likewise.
11957	(make_range): Likewise.
11958	(layout::maybe_add_location_range): Likewise.
11959	(layout::should_print_annotation_line_p): Don't show annotation
11960	lines for ranges that are SHOW_LINES_WITHOUT_RANGE.
11961	(layout::get_state_at_point): Update for conversion of
11962	show_caret_p to a tri-state.  Bail out early for
11963	SHOW_LINES_WITHOUT_RANGE, so that such ranges don't affect
11964	underlining or source colorization.
11965	(gcc_rich_location::add_location_if_nearby): Update for conversion
11966	of show_caret_p to a tri-state.
11967	(selftest::test_one_liner_multiple_carets_and_ranges): Likewise.
11968	(selftest::test_one_liner_fixit_replace_equal_secondary_range):
11969	Likewise.
11970	(selftest::test_one_liner_labels): Likewise.
11971	* gcc-rich-location.c (gcc_rich_location::add_expr): Update for
11972	conversion of show_caret_p to a tri-state.
11973	* pretty-print.c (text_info::set_location): Likewise.
11974	* pretty-print.h (text_info::set_location): Likewise.
11975	* substring-locations.c (format_warning_n_va): Likewise.
11976	* tree-diagnostic.c (default_tree_printer): Likewise.
11977	* tree-pretty-print.c (newline_and_indent): Likewise.
11978
119792018-08-27  David Malcolm  <dmalcolm@redhat.com>
11980
11981	PR c++/87091
11982	* diagnostic-show-locus.c (get_line_span_for_fixit_hint): Show the
11983	line above for line-insertion fix-it hints.
11984	(selftest::test_fixit_insert_containing_newline): Update the
11985	expected results, and add a test with line-numbering enabled.
11986
119872018-08-27  Martin Liska  <mliska@suse.cz>
11988
11989	PR sanitizer/86962
11990	* sanopt.c (sanitize_rewrite_addressable_params): Ignore
11991	params with DECL_HAS_VALUE_EXPR_P.
11992
119932018-08-27  Martin Liska  <mliska@suse.cz>
11994
11995	* config/i386/i386.c (ix86_expand_set_or_movmem): Dump
11996	selected expansion strategy.
11997
119982018-08-27  Martin Liska  <mliska@suse.cz>
11999
12000	* builtins.h (is_builtin_fn): Remove and fndecl_built_in_p.
12001	* builtins.c (is_builtin_fn): Likewise.
12002	* attribs.c (diag_attr_exclusions): Use new function
12003	fndecl_built_in_p and remove check for FUNCTION_DECL if
12004	possible.
12005	(builtin_mathfn_code): Likewise.
12006	(fold_builtin_expect): Likewise.
12007	(fold_call_expr): Likewise.
12008	(fold_builtin_call_array): Likewise.
12009	(fold_call_stmt): Likewise.
12010	(set_builtin_user_assembler_name): Likewise.
12011	(is_simple_builtin): Likewise.
12012	* calls.c (gimple_alloca_call_p): Likewise.
12013	(maybe_warn_nonstring_arg): Likewise.
12014	* cfgexpand.c (expand_call_stmt): Likewise.
12015	* cgraph.c (cgraph_update_edges_for_call_stmt_node): Likewise.
12016	(cgraph_edge::verify_corresponds_to_fndecl): Likewise.
12017	(cgraph_node::verify_node): Likewise.
12018	* cgraphclones.c (build_function_decl_skip_args): Likewise.
12019	(cgraph_node::create_clone): Likewise.
12020	* config/arm/arm.c (arm_insert_attributes): Likewise.
12021	* config/i386/i386.c (ix86_gimple_fold_builtin): Likewise.
12022	* dse.c (scan_insn): Likewise.
12023	* expr.c (expand_expr_real_1): Likewise.
12024	* fold-const.c (operand_equal_p): Likewise.
12025	(fold_binary_loc): Likewise.
12026	* gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
12027	* gimple-low.c (lower_stmt): Likewise.
12028	* gimple-pretty-print.c (dump_gimple_call): Likewise.
12029	* gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call):
12030	Likewise.
12031	* gimple.c (gimple_build_call_from_tree): Likewise.
12032	(gimple_call_builtin_p): Likewise.
12033	(gimple_call_combined_fn): Likewise.
12034	* gimplify.c (gimplify_call_expr): Likewise.
12035	(gimple_boolify): Likewise.
12036	(gimplify_modify_expr): Likewise.
12037	(gimplify_addr_expr): Likewise.
12038	* hsa-gen.c (gen_hsa_insns_for_call): Likewise.
12039	* ipa-cp.c (determine_versionability): Likewise.
12040	* ipa-fnsummary.c (compute_fn_summary): Likewise.
12041	* ipa-param-manipulation.c (ipa_modify_formal_parameters): Likewise.
12042	* ipa-split.c (visit_bb): Likewise.
12043	(split_function): Likewise.
12044	* ipa-visibility.c (cgraph_externally_visible_p): Likewise.
12045	* lto-cgraph.c (input_node): Likewise.
12046	* lto-streamer-out.c (write_symbol): Likewise.
12047	* omp-low.c (setjmp_or_longjmp_p): Likewise.
12048	(lower_omp_1): Likewise.
12049	* predict.c (strip_predict_hints): Likewise.
12050	* print-tree.c (print_node): Likewise.
12051	* symtab.c (symtab_node::output_to_lto_symbol_table_p): Likewise.
12052	* trans-mem.c (is_tm_irrevocable): Likewise.
12053	(is_tm_load): Likewise.
12054	(is_tm_simple_load): Likewise.
12055	(is_tm_store): Likewise.
12056	(is_tm_simple_store): Likewise.
12057	(is_tm_abort): Likewise.
12058	(tm_region_init_1): Likewise.
12059	* tree-call-cdce.c (gen_shrink_wrap_conditions): Likewise.
12060	* tree-cfg.c (verify_gimple_call): Likewise.
12061	(move_stmt_r): Likewise.
12062	(stmt_can_terminate_bb_p): Likewise.
12063	* tree-eh.c (lower_eh_constructs_2): Likewise.
12064	* tree-if-conv.c (if_convertible_stmt_p): Likewise.
12065	* tree-inline.c (remap_gimple_stmt): Likewise.
12066	(copy_bb): Likewise.
12067	(estimate_num_insns): Likewise.
12068	(fold_marked_statements): Likewise.
12069	* tree-sra.c (scan_function): Likewise.
12070	* tree-ssa-ccp.c (surely_varying_stmt_p): Likewise.
12071	(optimize_stack_restore): Likewise.
12072	(pass_fold_builtins::execute): Likewise.
12073	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12074	(mark_all_reaching_defs_necessary_1): Likewise.
12075	* tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Likewise.
12076	* tree-ssa-forwprop.c (simplify_builtin_call): Likewise.
12077	(pass_forwprop::execute): Likewise.
12078	* tree-ssa-loop-im.c (stmt_cost): Likewise.
12079	* tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
12080	* tree-ssa-sccvn.c (fully_constant_vn_reference_p): Likewise.
12081	* tree-ssa-strlen.c (get_string_length): Likewise.
12082	* tree-ssa-structalias.c (handle_lhs_call): Likewise.
12083	(find_func_aliases_for_call): Likewise.
12084	* tree-ssa-ter.c (find_replaceable_in_bb): Likewise.
12085	* tree-stdarg.c (optimize_va_list_gpr_fpr_size): Likewise.
12086	* tree-tailcall.c (find_tail_calls): Likewise.
12087	* tree.c (need_assembler_name_p): Likewise.
12088	(free_lang_data_in_decl): Likewise.
12089	(get_call_combined_fn): Likewise.
12090	* ubsan.c (is_ubsan_builtin_p): Likewise.
12091	* varasm.c (incorporeal_function_p): Likewise.
12092	* tree.h (DECL_BUILT_IN): Remove and replace with
12093	fndecl_built_in_p.
12094	(DECL_BUILT_IN_P): Transfort to fndecl_built_in_p.
12095	(fndecl_built_in_p): New.
12096
120972018-08-27  Martin Liska  <mliska@suse.cz>
12098
12099	PR tree-optimization/86847
12100	* tree-switch-conversion.c (switch_decision_tree::dump_case_nodes):
12101	Dump also subtree probability.
12102	(switch_decision_tree::do_jump_if_equal): New function.
12103	(switch_decision_tree::emit_case_nodes): Handle special
12104	situations in balanced tree that can be emitted much simpler.
12105	Fix calculation of probabilities that happen in tree expansion.
12106	* tree-switch-conversion.h (struct cluster): Add
12107	is_single_value_p.
12108	(struct simple_cluster): Likewise.
12109	(struct case_tree_node): Add new function has_child.
12110	(do_jump_if_equal): New.
12111
121122018-08-27  Martin Liska  <mliska@suse.cz>
12113
12114	* tree-switch-conversion.c (bit_test_cluster::find_bit_tests):
12115	Add new argument to bit_test_cluster constructor.
12116	(bit_test_cluster::emit): Set bits really number of values
12117	handlel by a test.
12118	(bit_test_cluster::hoist_edge_and_branch_if_true): Add
12119	probability argument.
12120	* tree-switch-conversion.h (struct bit_test_cluster):
12121	Add m_handles_entire_switch.
12122
121232018-08-27  Martin Liska  <mliska@suse.cz>
12124
12125	PR tree-optimization/86702
12126	* tree-switch-conversion.c (jump_table_cluster::emit):
12127	Make probabilities even for values in jump table
12128	according to number of cases handled.
12129	(switch_decision_tree::compute_cases_per_edge): Pass
12130	argument to reset_out_edges_aux function.
12131	(switch_decision_tree::analyze_switch_statement): Likewise.
12132	* tree-switch-conversion.h (switch_decision_tree::reset_out_edges_aux):
12133	Make it static.
12134
121352018-08-27  Martin Liska  <mliska@suse.cz>
12136
12137	* cfgexpand.c (expand_asm_stmt): Use label_to_block and pass
12138	cfun argument explicitly.
12139	* gimple-pretty-print.c (dump_gimple_switch): Likewise.
12140	* hsa-gen.c (gen_hsa_insns_for_switch_stmt): Use new
12141	function gimple_switch_default_bb.
12142	(convert_switch_statements):
12143	(expand_builtins):
12144	* ipa-fnsummary.c (set_switch_stmt_execution_predicate):
12145	* stmt.c (label_to_block_fn): Use label_to_block and pass
12146	cfun argument explicitly and use gimple_switch_label_bb.
12147	(expand_case): Likewise.
12148	* tree-cfg.c (lower_phi_internal_fn): Use label_to_block and pass
12149	cfun argument explicitly. Likewise.
12150	(make_edges_bb): Likewise.
12151	(make_cond_expr_edges): Likewise.
12152	(get_cases_for_edge): Likewise.
12153	(make_gimple_switch_edges): Likewise.
12154	(label_to_block_fn): Likewise.
12155	(label_to_block): Likewise.
12156	(make_goto_expr_edges): Likewise.
12157	(make_gimple_asm_edges): Likewise.
12158	(main_block_label): Likewise.
12159	(group_case_labels_stmt): Likewise.
12160	(find_taken_edge_computed_goto): Likewise.
12161	(find_taken_edge_switch_expr): Likewise.
12162	(gimple_verify_flow_info): Likewise.
12163	(gimple_redirect_edge_and_branch): Likewise.
12164	(gimple_switch_label_bb): New function.
12165	(gimple_switch_default_bb): Likewise.
12166	(gimple_switch_edge): Likewise.
12167	(gimple_switch_default_edge): Likewise.
12168	* tree-cfg.h (label_to_block_fn): Remove and replace ...
12169	(label_to_block): ... with this.
12170	(gimple_switch_label_bb): New.
12171	(gimple_switch_default_bb): Likewise.
12172	(gimple_switch_edge): Likewise.
12173	(gimple_switch_default_edge): Likewise.
12174	* tree-cfgcleanup.c (convert_single_case_switch): Use
12175	new gimple functions and pass new argument to label_to_block.
12176	(cleanup_control_flow_bb):
12177	* tree-eh.c (make_eh_dispatch_edges): Use label_to_block and pass
12178	cfun argument explicitly.
12179	(make_eh_edges): Likewise.
12180	(redirect_eh_dispatch_edge): Likewise.
12181	(lower_resx): Likewise.
12182	(lower_eh_dispatch): Likewise.
12183	(maybe_remove_unreachable_handlers): Likewise.
12184	(unsplit_eh): Likewise.
12185	(cleanup_empty_eh): Likewise.
12186	(verify_eh_edges): Likewise.
12187	(verify_eh_dispatch_edge): Likewise.
12188	* tree-ssa-dom.c (record_edge_info): Likewise.
12189	* tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): Likewise.
12190	* tree-ssa-threadedge.c (thread_around_empty_blocks): Likewise.
12191	(thread_through_normal_block): Likewise.
12192	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Likewise.
12193	* tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
12194	* tree-switch-conversion.c (switch_conversion::collect): Use new
12195	gimple functions.
12196	(switch_conversion::check_final_bb): Likewise.
12197	(switch_conversion::gather_default_values): Pass new argument
12198	to label_to_block.
12199	(switch_conversion::build_constructors): Likewise.
12200	(switch_decision_tree::compute_cases_per_edge): Use new
12201	gimple_switch_edge function.
12202	(switch_decision_tree::analyze_switch_statement): Pass new argument
12203	to label_to_block.
12204	(switch_decision_tree::try_switch_expansion): Use
12205	gimple_switch_default_edge.
12206	* tree-vrp.c (find_switch_asserts): Pass new argument
12207	to label_to_block.
12208	* vr-values.c (vr_values::vrp_visit_switch_stmt): Likewise.
12209	(vr_values::simplify_switch_using_ranges): Likewise.
12210
122112018-08-27  Richard Biener  <rguenther@suse.de>
12212
12213	* cfganal.h (rev_post_order_and_mark_dfs_back_seme): Declare.
12214	* cfganal.c (rev_post_order_and_mark_dfs_back_seme): New function.
12215
12216	* tree-ssa-sccvn.h (struct vn_pval): New structure.
12217	(struct vn_nary_op_s): Add unwind_to member.  Add
12218	predicated_values flag and put result into a union together
12219	with a linked list of vn_pval.
12220	(struct vn_ssa_aux): Add name member to make maintaining
12221	a map of SSA name to vn_ssa_aux possible.  Remove no longer
12222	needed info, dfsnum, low, visited, on_sccstack, use_processed
12223	and range_info_anti_range_p members.
12224	(run_scc_vn, vn_eliminate, free_scc_vn, vn_valueize): Remove.
12225	(do_rpo_vn, run_rpo_vn, eliminate_with_rpo_vn, free_rpo_vn):
12226	New functions.
12227	(vn_valueize): New global.
12228	(vn_context_bb): Likewise.
12229	(VN_INFO_RANGE_INFO, VN_INFO_ANTI_RANGE_P, VN_INFO_RANGE_TYPE,
12230	VN_INFO_PTR_INFO): Remove.
12231	* tree-ssa-sccvn.c: ... (rewrite)
12232	(pass_fre::execute): For -O2+ initialize loops and run
12233	RPO VN in optimistic mode (iterating).  For -O1 and -Og
12234	run RPO VN in non-optimistic mode.
12235	* params.def (PARAM_SCCVN_MAX_SCC_SIZE): Remove.
12236	(PARAM_RPO_VN_MAX_LOOP_DEPTH): Add.
12237	* doc/invoke.texi (sccvn-max-scc-size): Remove.
12238	(rpo-vn-max-loop-depth): Document.
12239	* tree-ssa-alias.c (walk_non_aliased_vuses): Stop walking
12240	when valuezing the VUSE signals we walked out of the region.
12241	* tree-ssa-pre.c (phi_translate_1): Ignore predicated values.
12242	(phi_translate): Set VN context block to use for availability
12243	lookup.
12244	(compute_avail): Likewise.
12245	(pre_valueize): New function.
12246	(pass_pre::execute): Adjust to the RPO VN API.
12247
12248	* tree-ssa-loop-ivcanon.c: Include tree-ssa-sccvn.h.
12249	(propagate_constants_for_unrolling): Remove.
12250	(tree_unroll_loops_completely): Perform value-numbering
12251	on the unrolled bodies loop parent.
12252
122532018-08-27  Richard Biener  <rguenther@suse.de>
12254
12255	* tree-ssa-pre.c (compute_antic): Re-use inverted postorder
12256	for partial antic compute.
12257
122582018-08-27  Jakub Jelinek  <jakub@redhat.com>
12259
12260	PR rtl-optimization/87065
12261	* combine.c (simplify_if_then_else): Formatting fix.
12262	(if_then_else_cond): Guard MULT optimization with SCALAR_INT_MODE_P
12263	check.
12264	(known_cond): Don't return const_true_rtx for vector modes.  Use
12265	CONST0_RTX instead of const0_rtx.  Formatting fixes.
12266
122672018-08-27  Martin Liska  <mliska@suse.cz>
12268
12269	PR gcov-profile/87069
12270	* gcov.c (process_file): Record files already processed
12271	and warn about a file being processed multiple times.
12272
122732018-08-27  Martin Liska  <mliska@suse.cz>
12274
12275	PR driver/83193
12276	* config/aarch64/aarch64.c (aarch64_override_options_internal):
12277	Set default values for x_aarch64_*_string strings.
12278	* config/aarch64/aarch64.opt: Remove --{march,mcpu,mtune}==
12279	prefix.  For -mabi do not print '=ABI' in help and use
12280	<option_value> format for -msve-vector-bits and -moverride
12281	options.
12282
122832018-08-26  Jeff Law  <law@redhat.com>
12284
12285	* config/mips/frame-header-opt.c: Include "backend.h" rather than
12286	"cfg.h"
12287
122882018-08-26  Marek Polacek  <polacek@redhat.com>
12289
12290	PR c++/87029, Implement -Wredundant-move.
12291	* doc/invoke.texi: Document -Wredundant-move.
12292
122932018-08-25  Martin Sebor  <msebor@redhat.com>
12294
12295	PR tree-optimization/87059
12296	* builtins.c (expand_builtin_strncmp): Convert MIN_EXPR operand
12297	to the same type as the other.
12298	* fold-const.c (fold_binary_loc): Assert expectation.
12299
123002018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
12301
12302	* config/darwin.c (machopic_legitimize_pic_address): Clean up
12303	extraneous parentheses, dead code section and formatting.
12304
123052018-08-24  David Malcolm  <dmalcolm@redhat.com>
12306
12307	PR c++/87091
12308	* diagnostic-show-locus.c (layout::layout): Ensure the margin is
12309	wide enough for jumps in the line-numbering to be visible.
12310	(layout::print_gap_in_line_numbering): New member function.
12311	(layout::calculate_line_spans): When using line numbering, merge
12312	line spans that are only 1 line apart.
12313	(diagnostic_show_locus): When printing line numbers, show gaps in
12314	line numbering directly, rather than printing headers.
12315	(selftest::test_diagnostic_show_locus_fixit_lines): Add test of
12316	line-numbering with multiple line spans.
12317	(selftest::test_fixit_insert_containing_newline_2): Add test of
12318	line-numbering, in which the spans are close enough to be merged.
12319
123202018-08-24  Aldy Hernandez  <aldyh@redhat.com>
12321
12322	* gimple-ssa-evrp-analyze.c (set_ssa_range_info): Pass value_range
12323	to range_includes_zero_p.  Do not special case VR_ANTI_RANGE.
12324	* tree-vrp.c (range_is_nonnull): Remove.
12325	(range_includes_zero_p): Accept value_range instead of min/max.
12326	(extract_range_from_binary_expr_1): Do not early bail on
12327	POINTER_PLUS_EXPR.
12328	Use range_includes_zero_p instead of range_is_nonnull.
12329	(extract_range_from_unary_expr): Use range_includes_zero_p instead
12330	of range_is_nonnull.
12331	(vrp_meet_1): Pass value_range to range_includes_zero_p.  Do not
12332	special case VR_ANTI_RANGE.
12333	(vrp_finalize): Same.
12334	* tree-vrp.h (range_includes_zero_p): Pass value_range as argument
12335	instead of min/max.
12336	(range_is_nonnull): Remove.
12337	* vr-values.c (vrp_stmt_computes_nonzero): Use
12338	range_includes_zero_p instead of range_is_nonnull.
12339	(extract_range_basic): Pass value_range to range_includes_zero_p
12340	instead of range_is_nonnull.
12341
123422018-08-24  Uros Bizjak  <ubizjak@gmail.com>
12343
12344	* emit-rtl.c (init_emit_once): Do not emit MODE_POINTER_BOUNDS RTXes.
12345	* emit-rtl.h (rtl_data): Remove return_bnd.
12346	* explow.c (trunc_int_for_mode): Do not handle POINTER_BOUNDS_MODE_P.
12347	* function.c (diddle_return_value): Do not handle crtl->return_bnd.
12348	* genmodes.c (complete_mode): Do not handle MODE_POINTER_BOUNDS.
12349	(POINTER_BOUNDS_MODE): Remove definition.
12350	(make_pointer_bounds_mode): Remove.
12351	(get_mode_class): Do not handle MODE_POINTER_BOUNDS.
12352	* machmode.h (POINTER_BOUNDS_MODE_P): Remove definition.
12353	(scalare_mode::includes_p): Do not handle MODE_POINTER_BOUNDS.
12354	* mode-classes.def: Do not define MODE_POINTER_BOUNDS.
12355	* stor-layout.c (int_mode_for_mode): Do not handle MODE_POINTER_BOUNDS.
12356	* tree-core.h (enum tree_index): Remove TI_POINTER_BOUNDS_TYPE.
12357	* varasm.c (output_constant_pool_2): Do not handle MODE_POINTER_BOUNDS.
12358
12359	* config/i386/i386-modes.def (BND32, BND64): Remove.
12360	* config/i386/i386.c (dbx_register_map): Remove bound registers.
12361	(dbx64_register_map): Ditto.
12362	(svr4_dbx_register_map): Ditto.
12363	(indirect_thunk_bnd_needed): Remove.
12364	(indirect_thunks_bnd_used): Ditto.
12365	(indirect_return_bnd_needed): Ditto.
12366	(indirect_return_via_cx_bnd): Ditto.
12367	(enum indirect_thunk_prefix): Remove indirect_thunk_prefix_bnd.
12368	(indirect_thunk_name): Remove handling of indirect_thunk_prefix_bnd.
12369	(output_indirect_thunk): Ditto.  Remove need_prefix argument.
12370	(output_indirect_thunk_function): Remove handling of
12371	indirect_return_bnd_needed, indirect_return_via_cx_bnd,
12372	indirect_thunk_bnd_needed and indirect_thunks_bnd_used variables.
12373	(ix86_save_reg): Remove handling of crtl->return_bnd.
12374	(ix86_legitimate_constant_p): Remove handling of POINTER_BOUNDS_MODE_P.
12375	(ix86_print_operand_address_as): Remove handling of UNSPEC_BNDMK_ADDR
12376	and UNSPEC_BNDLX_ADDR.
12377	(ix86_output_indirect_branch_via_reg): Remove handling of
12378	indirect_thunk_prefix_bnd.
12379	(ix86_output_indirect_branch_via_push): Ditto.
12380	(ix86_output_function_return): Ditto.
12381	(ix86_output_indirect_function_return): Ditto.
12382	(avoid_func_arg_motion): Do not handle UNSPEC_BNDSTX.
12383	* config/i386/i386.h (FIXED_REGISTERS): Remove bound registers.
12384	(CALL_USED_REGISTERS): Ditto.
12385	(REG_ALLOC_ORDER): Update for removal of bound registers.
12386	(HI_REGISTER_NAMES): Ditto.
12387	* config/i386/i386.md (UNSPEC_BNDMK, UNSPEC_BNDMK_ADDR, UNSPEC_BNDSTX)
12388	(UNSPEC_BNDLDX, UNSPEC_BNDLDX_ADDR, UNSPEC_BNDCL, UNSPEC_BNDCU)
12389	(UNSPEC_BNDCN, UNSPEC_MPX_FENCE): Remove.
12390	(BND0_REG, BND1_REG, BND2_REG, BND3_REG): Remove
12391	(FIRST_PSEUDO_REG): Update.
12392	(BND): Remove mode iterator.
12393	* config/i386/predicates.md (bnd_mem_operator): Remove.
12394
123952018-08-24  Richard Sandiford  <richard.sandiford@arm.com>
12396
12397	* tree-vect-stmts.c (vectorizable_bswap): Handle variable-length
12398	vectors.
12399
124002018-08-24  Richard Sandiford  <richard.sandiford@arm.com>
12401
12402	* tree-vect-slp.c (vect_transform_slp_perm_load): Separate out
12403	the case in which the permute needs only a single element and
12404	repeats for every vector of the result.  Extend that case to
12405	handle variable-length vectors.
12406	* tree-vect-stmts.c (vectorizable_load): Update accordingly.
12407
124082018-08-24  H.J. Lu  <hongjiu.lu@intel.com>
12409
12410	PR debug/79342
12411	* dwarf2out.c (save_macinfo_strings): Call set_indirect_string
12412	on DW_MACINFO_start_file for -gsplit-dwarf -g3.
12413
124142018-08-24  Richard Biener  <rguenther@suse.de>
12415
12416	* cfg.h (struct control_flow_graph): Add edge_flags_allocated and
12417	bb_flags_allocated members.
12418	(auto_flag): New RAII class for allocating flags.
12419	(auto_edge_flag): New RAII class for allocating edge flags.
12420	(auto_bb_flag): New RAII class for allocating bb flags.
12421	* cfgloop.c (verify_loop_structure): Allocate temporary edge
12422	flag dynamically.
12423	* cfganal.c (dfs_enumerate_from): Remove use of visited sbitmap
12424	in favor of temporarily allocated BB flag.
12425	* hsa-brig.c: Re-order includes.
12426	* hsa-dump.c: Likewise.
12427	* hsa-regalloc.c: Likewise.
12428	* print-rtl.c: Likewise.
12429	* profile-count.c: Likewise.
12430
124312018-08-24  Segher Boessenkool  <segher@kernel.crashing.org>
12432
12433	PR target/86989
12434	* config/rs6000/rs6000.c (toc_relative_expr_p): Check that the base is
12435	the TOC register.
12436
124372018-08-24  Aldy Hernandez  <aldyh@redhat.com>
12438
12439	PR 87073/bootstrap
12440	* wide-int-range.cc (wide_int_range_div): Do not ignore result
12441	from wide_int_range_multiplicative_op.
12442
124432018-08-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
12444
12445	* tree-vect-data-refs.c (vect_grouped_store_supported): Fix typo
12446	"permutaion".
12447
124482018-08-23  Giuliano Belinassi  <giuliano.belinassi@usp.br>
12449
12450	* genmatch.c (parser::parse_operation): Fix typo 'exapnded'
12451	to 'expanded'.
12452
124532018-08-23  Alexander Monakov  <amonakov@ispras.ru>
12454
12455	* tree-scalar-evolution.c (final_value_replacement_loop): Dump
12456	full GENERIC expression used for replacement.
12457
124582018-08-23  Aldy Hernandez  <aldyh@redhat.com>
12459
12460	* tree-vrp.c (abs_extent_range): Remove.
12461	(extract_range_into_wide_ints): Pass wide ints by reference.
12462	(extract_range_from_binary_expr_1): Rewrite the *DIV_EXPR code.
12463	Pass wide ints by reference in all calls to
12464	extract_range_into_wide_ints.
12465	* wide-int-range.cc (wide_int_range_div): New.
12466	* wide-int-range.h (wide_int_range_div): New.
12467	(wide_int_range_includes_zero_p): New.
12468	(wide_int_range_zero_p): New.
12469
124702018-08-23  Matthew Malcomson  <matthew.malcomson@arm.com>
12471
12472	* config/aarch64/aarch64.md (arches): New enum.
12473	(arch): New enum attr.
12474	(arch_enabled): New attr.
12475	(enabled): Now uses arch_enabled only.
12476	(simd, sve, fp16): Removed attribute.
12477	(fp): Attr now defined in terms of 'arch'.
12478	(*mov<mode>_aarch64, *movsi_aarch64, *movdi_aarch64, *movti_aarch64,
12479	*movhf_aarch64, <optab><fcvt_target><GPF:mode>2,
12480	<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3,
12481	<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Merge 'fp' and 'simd'
12482	attributes into 'arch'.
12483	(*movsf_aarch64, *movdf_aarch64, *movtf_aarch64, *add<mode>3_aarch64,
12484	subdi3, neg<mode>2, <optab><mode>3, one_cmpl<mode>2,
12485	*<NLOGICAL:optab>_one_cmpl<mode>3, *xor_one_cmpl<mode>3,
12486	*aarch64_ashl_sisd_or_int_<mode>3, *aarch64_lshr_sisd_or_int_<mode>3,
12487	*aarch64_ashr_sisd_or_int_<mode>3, *aarch64_sisd_ushl): Convert use of
12488	'simd' attribute into 'arch'.
12489	(load_pair_sw_<SX:mode><SX2:mode>, load_pair_dw_<DX:mode><DX2:mode>,
12490	store_pair_sw_<SX:mode><SX2:mode>, store_pair_dw_<DX:mode><DX2:mode>):
12491	Convert use of 'fp' attribute to 'arch'.
12492	* config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>,
12493	move_lo_quad_internal_<mode>): (different modes) Merge 'fp' and 'simd'
12494	into 'arch'.
12495	(move_lo_quad_internal_be_<mode>, move_lo_quad_internal_be_<mode>):
12496	(different modes) Merge 'fp' and 'simd' into 'arch'.
12497	(*aarch64_combinez<mode>, *aarch64_combinez_be<mode>): Merge 'fp' and
12498	'simd' into 'arch'.
12499
125002018-08-23  Segher Boessenkool  <segher@kernel.crashing.org>
12501
12502	PR rtl-optimization/87026
12503	* expmed.c (canonicalize_comparison): If we can no longer create
12504	pseudoregisters, don't.
12505
125062018-08-23  Richard Earnshaw  <rearnsha@arm.com>
12507
12508	PR target/86951
12509	* config/arm/arm-protos.h (arm_emit_speculation_barrier): New
12510	prototype.
12511	* config/arm/arm.c (speculation_barrier_libfunc): New static
12512	variable.
12513	(arm_init_libfuncs): Initialize it.
12514	(arm_emit_speculation_barrier): New function.
12515	* config/arm/arm.md (speculation_barrier): Call
12516	arm_emit_speculation_barrier for architectures that do not have
12517	DSB or ISB.
12518	(speculation_barrier_insn): Only match on Armv7 or later.
12519
125202018-08-23  Richard Biener  <rguenther@suse.de>
12521
12522	PR middle-end/87024
12523	* tree-inline.c (copy_bb): Drop unused __builtin_va_arg_pack_len
12524	calls.
12525
125262018-08-23  Richard Sandiford  <richard.sandiford@arm.com>
12527
12528	* config/aarch64/aarch64.c (aarch64_evpc_sve_tbl): Fix handling
12529	of single-vector TBLs.
12530	(aarch64_vectorize_vec_perm_const): Set one_vector_p when only
12531	one input is given.
12532
125332018-08-23  Richard Sandiford  <richard.sandiford@arm.com>
12534
12535	PR target/85910
12536	* config/aarch64/aarch64.c (aarch64_expand_vec_perm_const_1): Fix
12537	aarch64_evpc_tbl guard.
12538
125392018-08-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12540
12541	* tree-ssa-dse.c (compute_trims): Avoid folding away undefined
12542	behaviour.
12543
125442018-08-22  Martin Sebor  <msebor@redhat.com>
12545
12546	PR middle-end/87052
12547	* tree-pretty-print.c (pretty_print_string): Add argument.
12548	(dump_generic_node): Call to pretty_print_string with string size.
12549
125502018-08-22  Segher Boessenkool  <segher@kernel.crashing.org>
12551
12552	PR rtl-optimization/86771
12553	* combine.c (try_combine): Do not allow splitting a resulting PARALLEL
12554	of two SETs into those two SETs, one to be placed at i2, if that SETs
12555	destination is modified between i2 and i3.
12556
125572018-08-22  Richard Sandiford  <richard.sandiford@arm.com>
12558
12559	PR tree-optimization/86725
12560	* tree-vect-loop.c (vect_inner_phi_in_double_reduction_p): New
12561	function.
12562	(vect_analyze_scalar_cycles_1): Check it.
12563
125642018-08-22  Richard Sandiford  <richard.sandiford@arm.com>
12565
12566	PR tree-optimization/86725
12567	* tree-vect-loop.c (vect_is_simple_reduction): When treating
12568	an outer loop phi as a double reduction, make sure that the
12569	single user of the phi result is an inner loop phi.
12570
125712018-08-22  Richard Sandiford  <richard.sandiford@arm.com>
12572
12573	* tree-vect-data-refs.c (vect_analyze_group_access_1): Convert
12574	grouped stores with gaps to a strided group.
12575
125762018-08-22  Richard Sandiford  <richard.sandiford@arm.com>
12577
12578	* tree-vect-stmts.c (get_group_load_store_type)
12579	(get_load_store_type): Only test STMT_VINFO_STRIDED_P for the
12580	first statement in a group.
12581
125822018-08-22  Iain Sandoe  <iain@sandoe.co.uk>
12583
12584	* config/darwin.h (LINK_COMMAND_SPEC_A): Sync LTO options with
12585	the sequence used in gcc/gcc.c.
12586
125872018-08-22  Iain Sandoe  <iain@sandoe.co.uk>
12588
12589	PR other/704
12590	* gcc-ar.c (main): Don’t try to invoke the plug-in if we’re not
12591	building it.
12592
125932018-08-22  Iain Sandoe  <iain@sandoe.co.uk>
12594
12595	* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Adjust to use the
12596	Darwin10-specific unwinder-shim.
12597	* config/darwin12.h (LINK_GCC_C_SEQUENCE_SPEC): Remove.
12598	* config/rs6000/darwin.h (DARWIN_CRT1_SPEC, DARWIN_DYLIB1_SPEC):
12599	New to cater for Darwin10 Rosetta.
12600
126012018-08-22  Iain Sandoe  <iain@sandoe.co.uk>
12602
12603	* config/i386/i386.c (ix86_output_addr_diff_elt): Move the MACH-O
12604	specific test before the one for HAVE_AS_GOTOFF_IN_DATA.
12605
126062018-08-22  Iain Sandoe  <iain@sandoe.co.uk>
12607
12608	PR bootstrap/81033
12609	PR target/81733
12610	PR target/52795
12611	* gcc/dwarf2out.c (FUNC_SECOND_SECT_LABEL): New.
12612	(dwarf2out_switch_text_section): Generate a local label for the
12613	second function sub-section and apply it as the second FDE start
12614	label.
12615	* gcc/final.c (final_scan_insn_1): Emit second FDE label after the
12616	second sub-section start.
12617
126182018-08-22  Richard Biener  <rguenther@suse.de>
12619
12620	PR tree-optimization/86988
12621	* tree-vrp.c (vrp_prop::check_mem_ref): Bail out on VLAs.
12622
126232018-08-22  Richard Biener  <rguenther@suse.de>
12624
12625	PR tree-optimization/86945
12626	* tree-cfg.c (generate_range_test): Use unsigned arithmetic.
12627
126282018-08-22  Alexandre Oliva  <oliva@adacore.com>
12629
12630	* config/rs6000/rs6000.c (SMALL_DATA_RELOC, SMALL_DATA_REG): Add
12631	a comment about how uses of r2 for .sdata2 come about.
12632
126332018-08-22  Alexandre Oliva  <aoliva@redhat.com>
12634
12635	* tree-ssa-reassoc.c (is_reassociable_op): Fix cut&pasto.
12636
126372018-08-21  Marek Polacek  <polacek@redhat.com>
12638
12639	PR c++/86981, Implement -Wpessimizing-move.
12640	* doc/invoke.texi: Document -Wpessimizing-move.
12641
126422018-08-21  Jan Hubicka  <jh@suse.cz>
12643
12644	* tree.c (find_decls_types_r): Do not check for redundant typedefs.
12645	* tree.h (is_redundant_typedef): Remove.
12646	* dwarf2out.c (is_redundant_typedef): Turn into static function.
12647
126482018-08-21  Jan Hubicka  <jh@suse.cz>
12649
12650	* tree.c (free_lang_data_in_decl): Remove types from DECL_CONTEXT
12651	when possible.
12652
126532018-08-21  Tamar Christina  <tamar.christina@arm.com>
12654
12655	* expmed.c (extract_low_bits): Reject invalid subregs early.
12656
126572018-08-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12658
12659	PR middle-end/86121
12660	* tree-ssa-strlen.c (adjust_last_stmt): Avoid folding away undefined
12661	behaviour.
12662
126632018-08-21  Rasmus Villemoes  <rv@rasmusvillemoes.dk>
12664
12665	* config/vxworks.h: Guard vxworks_asm_out_constructor and
12666	vxworks_asm_out_destructor by !HAVE_INITFINI_ARRAY_SUPPORT
12667	* config/vxworks.c: Likewise.
12668
126692018-08-21  Rasmus Villemoes  <rv@rasmusvillemoes.dk>
12670
12671	* config/vxworks.c: Set targetm.have_ctors_dtors
12672	if HAVE_INITFINI_ARRAY_SUPPORT.
12673	* config/vxworks.h: Set SUPPORTS_INIT_PRIORITY
12674	if HAVE_INITFINI_ARRAY_SUPPORT.
12675
126762018-08-21  Rasmus Villemoes  <rv@rasmusvillemoes.dk>
12677
12678	* config/vxworks.h: Add $(WIND_BASE)/target/h/wrn/coreip to
12679	default search path for VxWorks < 7.
12680
126812018-08-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12682
12683	* gimple-ssa-sprintf.c (decl_constant_value): Remove.
12684	(get_format_string): Refer to c_getstr.
12685
126862018-08-21  Tom de Vries  <tdevries@suse.de>
12687
12688	* cgraph.h (debuginfo_early_init, debuginfo_init, debuginfo_fini)
12689	(debuginfo_start, debuginfo_stop, debuginfo_early_start)
12690	(debuginfo_early_stop): Declare.
12691	* cgraphunit.c (debuginfo_early_init, debuginfo_init, debuginfo_fini)
12692	(debuginfo_start, debuginfo_stop, debuginfo_early_start)
12693	(debuginfo_early_stop): New function.
12694	(symbol_table::finalize_compilation_unit): Call debuginfo_early_start
12695	and debuginfo_early_stop.
12696	* dwarf2out.c (dwarf2out_finish, dwarf2out_early_finish): Dump dwarf.
12697	* toplev.c (compile_file): Call debuginfo_start and debuginfo_stop.
12698	(general_init): Call debuginfo_early_init.
12699	(finalize): Call debuginfo_fini.
12700	(do_compile): Call debuginfo_init.
12701	* doc/invoke.texi (@gccoptlist): Add -fdump-debug and
12702	-fdump-early-debug.
12703	(@item -fdump-debug, @item -fdump-earlydebug): Add.
12704
127052018-08-21  Tom de Vries  <tdevries@suse.de>
12706
12707	* dwarf2out.c (print_dw_val, print_loc_descr, print_die): Handle
12708	flag_dump_noaddr and flag_dump_unnumbered.
12709
127102018-08-21  Aldy Hernandez  <aldyh@redhat.com>
12711
12712	* wide-int-range.cc (wide_int_range_abs): New.
12713	(wide_int_range_order_set): Rename from wide_int_range_min_max.
12714	* wide-int-range.h (wide_int_range_abs): New.
12715	(wide_int_range_min_max): New.
12716	* tree-vrp.c (extract_range_from_unary_expr): Rewrite ABS_EXPR
12717	case to call wide_int_range_abs.
12718	Rewrite MIN/MAX_EXPR to call wide_int_range_min_max.
12719	(extract_range_from_abs_expr): Delete.
12720
127212018-08-20  Michael Meissner  <meissner@linux.ibm.com>
12722
12723	PR target/87033
12724	* config/rs6000/rs6000.md (extendsi<mode>2): Change constraints
12725	from 'Y' to 'YZ' to enable the LWAX instruction to be generated
12726	for indexed loads.
12727
127282018-08-20  Nathan Sidwell  <nathan@acm.org>
12729	    Jeff Law  <law@redhat.com>
12730
12731	* config/s390/s390-c (s390_macro_to_expand): Use cpp_macro_p.
12732	* config/spu/spu-c.c (spu_macro_to_expand): Likewise.
12733
127342018-08-20  David Malcolm  <dmalcolm@redhat.com>
12735
12736	PR other/84889
12737	* attribs.c (diag_attr_exclusions): Add auto_diagnostic_group instance.
12738	(decl_attributes): Likewise.
12739	* calls.c (maybe_warn_nonstring_arg): Add auto_diagnostic_group
12740	instance.
12741	* cgraphunit.c (maybe_diag_incompatible_alias): Likewise.
12742	* diagnostic-core.h (class auto_diagnostic_group): New class.
12743	* diagnostic.c (diagnostic_initialize): Initialize the new fields.
12744	(diagnostic_report_diagnostic): Handle the first diagnostics within
12745	a group.
12746	(emit_diagnostic): Add auto_diagnostic_group instance.
12747	(inform): Likewise.
12748	(inform_n): Likewise.
12749	(warning): Likewise.
12750	(warning_at): Likewise.
12751	(warning_n): Likewise.
12752	(pedwarn): Likewise.
12753	(permerror): Likewise.
12754	(error): Likewise.
12755	(error_n): Likewise.
12756	(error_at): Likewise.
12757	(sorry): Likewise.
12758	(fatal_error): Likewise.
12759	(internal_error): Likewise.
12760	(internal_error_no_backtrace): Likewise.
12761	(auto_diagnostic_group::auto_diagnostic_group): New ctor.
12762	(auto_diagnostic_group::~auto_diagnostic_group): New dtor.
12763	* diagnostic.h (struct diagnostic_context): Add fields
12764	"diagnostic_group_nesting_depth",
12765	"diagnostic_group_emission_count", "begin_group_cb",
12766	"end_group_cb".
12767	* gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior):
12768	Add auto_diagnostic_group instance(s).
12769	(find_explicit_erroneous_behavior): Likewise.
12770	* gimple-ssa-warn-alloca.c (pass_walloca::execute): Likewise.
12771	* gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Likewise.
12772	* gimplify.c (warn_implicit_fallthrough_r): Likewise.
12773	(gimplify_va_arg_expr): Likewise.
12774	* hsa-gen.c (HSA_SORRY_ATV): Likewise.
12775	(HSA_SORRY_AT): Likewise.
12776	* ipa-devirt.c (compare_virtual_tables): Likewise.
12777	(warn_odr): Likewise.
12778	* multiple_target.c (expand_target_clones): Likewise.
12779	* opts-common.c (cmdline_handle_error): Likewise.
12780	* reginfo.c (globalize_reg): Likewise.
12781	* substring-locations.c (format_warning_n_va): Likewise.
12782	* tree-inline.c (expand_call_inline): Likewise.
12783	* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Likewise.
12784	* tree-ssa-loop-niter.c
12785	(do_warn_aggressive_loop_optimizations): Likewise.
12786	* tree-ssa-uninit.c (warn_uninit): Likewise.
12787	* tree.c (warn_deprecated_use): Likewise.
12788
127892018-08-20  H.J. Lu  <hongjiu.lu@intel.com>
12790
12791	PR target/87014
12792	* config/i386/i386.md (eh_return): Always update EH return
12793	address in word_mode.
12794
127952018-08-20  Chung-Lin Tang  <cltang@codesourcery.com>
12796
12797	* targhooks.c (std_gimplify_va_arg_expr): Properly handle case of when
12798	TARGET_SPLIT_COMPLEX_ARG is defined.
12799
128002018-08-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12801
12802	* expr.c (store_field): Change gcc_assert to gcc_checking_assert.
12803
128042018-08-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12805
12806	PR target/86984
12807	* expr.c (expand_assignment): Assert that bitpos is positive.
12808	(store_field): Likewise
12809	(expand_expr_real_1): Make sure that bitpos is positive.
12810	* config/alpha/alpha.h (CONSTANT_ADDRESS_P): Avoid signed
12811	integer overflow.
12812
128132018-08-20  Nathan Sidwell  <nathan@acm.org>
12814
12815	* Makefile.in (CPP_ID_DATA_H): Delete.
12816	(CPP_INTERNAL_H): Don't add it.
12817	(GTFILES): Replace CPP_ID_DATA_H with CPPLIB_H.
12818	* gengtype.c (open_base_files): Replace cpp-id-data.h with cpplib.h
12819
128202018-08-20  Richard Biener  <rguenther@suse.de>
12821
12822	PR tree-optimization/78655
12823	* tree-vrp.c (extract_range_from_binary_expr_1): Make
12824	pointer + offset nonnull if either operand is nonnull work.
12825
128262018-08-20  Tom de Vries  <tdevries@suse.de>
12827
12828	* dwarf2out.c (add_scalar_info): Don't add reference to existing die
12829	unless the referenced die describes the added property using
12830	DW_AT_location or DW_AT_const_value.  Fall back to exprloc case.
12831	Otherwise, add a DW_AT_location to the referenced die.
12832
128332018-08-19  Uros Bizjak  <ubizjak@gmail.com>
12834
12835	PR target/86994
12836	* config/i386/i386.c (ix86_rtx_costs) [case SET]: Check source for
12837	register_operand when calling ix86_set_reg_reg_cost.
12838	[case CONST_INT, case CONST, case LABEL_REF, case SYMBOL_REF]:
12839	Set *total to 0 for operands that satisfy x86_64_immediate_operand
12840	predicate and to 1 otherwise.
12841
128422018-08-18  Iain Sandoe  <iain@sandoe.co.uk>
12843
12844	* config/darwin.c (darwin_override_options): If -gsplit-dwarf is set,
12845	emit a diagnostic that it is not supported and reset the option.
12846	* config/darwin.h (DRIVER_SELF_SPECS): Note that gsplit-dwarf is not
12847	supported and consume the option.  (ASM_FINAL_SPEC): New.
12848
128492018-08-17  Segher Boessenkool  <segher@kernel.crashing.org>
12850
12851	* doc/md.texi (Patterns): Use @ref instead of @xref in the middle of
12852	a sentence.
12853
128542018-08-17  Sandra Loosemore  <sandra@codesourcery.com>
12855
12856	C-SKY port: Documentation
12857
12858	* doc/extend.texi (C-SKY Function Attributes): New section.
12859	* doc/invoke.texi (Option Summary): Add C-SKY options.
12860	(C-SKY Options): New section.
12861	* doc/md.texi (Machine Constraints): Document C-SKY constraints.
12862
128632018-08-17  Jojo  <jijie_rong@c-sky.com>
12864	    Huibin Wang  <huibin_wang@c-sky.com>
12865	    Sandra Loosemore  <sandra@codesourcery.com>
12866	    Chung-Lin Tang  <cltang@codesourcery.com>
12867
12868	C-SKY port: Backend implementation
12869
12870	* config/csky/*: New.
12871	* common/config/csky/*: New.
12872
128732018-08-17  Jojo  <jijie_rong@c-sky.com>
12874	    Huibin Wang  <huibin_wang@c-sky.com>
12875	    Sandra Loosemore  <sandra@codesourcery.com>
12876	    Chung-Lin Tang  <cltang@codesourcery.com>
12877	    Andrew Jenner  <andrew@codesourcery.com>
12878
12879	C-SKY port: Configury
12880
12881	* config.gcc (csky-*-*): New.
12882	* configure.ac: Add csky to targets for dwarf2 debug_line support.
12883	* configure: Regenerated.
12884
128852018-08-17  David Malcolm  <dmalcolm@redhat.com>
12886
12887	* dump-context.h: Include "dumpfile.h".
12888	(dump_context::dump_printf_va): Convert final param from va_list
12889	to va_list *.  Convert from ATTRIBUTE_PRINTF to
12890	ATTRIBUTE_GCC_DUMP_PRINTF.
12891	(dump_context::dump_printf_loc_va): Likewise.
12892	* dumpfile.c: Include "stringpool.h".
12893	(make_item_for_dump_printf_va): Delete.
12894	(make_item_for_dump_printf): Delete.
12895	(class dump_pretty_printer): New class.
12896	(dump_pretty_printer::dump_pretty_printer): New ctor.
12897	(dump_pretty_printer::emit_items): New member function.
12898	(dump_pretty_printer::emit_any_pending_textual_chunks): New member
12899	function.
12900	(dump_pretty_printer::emit_item): New member function.
12901	(dump_pretty_printer::stash_item): New member function.
12902	(dump_pretty_printer::format_decoder_cb): New member function.
12903	(dump_pretty_printer::decode_format): New member function.
12904	(dump_context::dump_printf_va): Reimplement in terms of
12905	dump_pretty_printer.
12906	(dump_context::dump_printf_loc_va): Convert final param from va_list
12907	to va_list *.
12908	(dump_context::begin_scope): Reimplement call to
12909	make_item_for_dump_printf.
12910	(dump_printf): Update for change to dump_printf_va.
12911	(dump_printf_loc): Likewise.
12912	(selftest::test_capture_of_dump_calls): Convert "stmt" from
12913	greturn * to gimple *.  Add a test_decl.  Add tests of dump_printf
12914	with %T, %E, and %G.
12915	* dumpfile.h (ATTRIBUTE_GCC_DUMP_PRINTF): New macro.
12916	(dump_printf): Replace ATTRIBUTE_PRINTF_2 with
12917	ATTRIBUTE_GCC_DUMP_PRINTF (2, 3).
12918	(dump_printf_loc): Replace ATTRIBUTE_PRINTF_3 with
12919	ATTRIBUTE_GCC_DUMP_PRINTF (3, 0).
12920	* tree-vect-data-refs.c (vect_lanes_optab_supported_p): Convert
12921	use of HOST_WIDE_INT_PRINT_DEC on unsigned HOST_WIDE_INT "count"
12922	within a dump_printf_loc call to "%wu".
12923	(vector_alignment_reachable_p): Merge two dump_printf[_loc] calls,
12924	converting a use of HOST_WIDE_INT_PRINT_DEC to "%wd".  Add a
12925	missing space after "=".
12926	* tree-vect-loop.c (vect_analyze_loop_2) Within a dump_printf
12927	call, convert use of HOST_WIDE_INT_PRINT_DEC to "%wd".
12928	* tree-vect-slp.c (vect_slp_bb): Within a dump_printf_loc call,
12929	convert use of HOST_WIDE_INT_PRINT_UNSIGNED to "%wu".
12930	* tree-vectorizer.c (try_vectorize_loop_1): Likewise.  Remove
12931	duplicate "vectorized" from message.
12932
129332018-08-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
12934
12935	* config/arm/arm-builtins.c (arm_init_simd_builtin_types): Clear
12936	polyNxK_t element's TYPE_STRING_FLAG.
12937
129382018-08-17  Segher Boessenkool  <segher@kernel.crashing.org>
12939
12940	* config/rs6000/rs6000.md (*cbranch, *creturn): Name these patterns
12941	(they were unnamed before).  Fix comments.
12942
129432018-08-17  Nathan Sidwell  <nathan@acm.org>
12944
12945	* cppbuiltin.c: Include "cpplib.h", not "cpp-id-data.h".
12946
129472018-08-17  Richard Biener  <rguenther@suse.de>
12948
12949	PR tree-optimization/86841
12950	* wide-int-range.cc (wide_int_range_lshift): Use to_uhwi.
12951
129522018-08-17  Martin Liska  <mliska@suse.cz>
12953
12954	* common.opt: Remove Warn, Init and Report for options with
12955	Ignore/Deprecated flag. Warning is done automatically for
12956	Deprecated flags.
12957	* config/i386/i386.opt: Likewise.
12958	* config/ia64/ia64.opt: Likewise.
12959	* config/rs6000/rs6000.opt: Likewise.
12960	* cppbuiltin.c (define_builtin_macros_for_compilation_flags):
12961	Remove usage of flag_check_pointer_bounds.
12962	* lto-wrapper.c (merge_and_complain): Do not handle
12963	OPT_fcheck_pointer_bounds.
12964	(append_compiler_options): Likewise.
12965	* opt-functions.awk: Do not handle Deprecated.
12966	* optc-gen.awk: Check that Var, Report and Init are not
12967	used for an option with Ignore/Deprecated flag.
12968	* opts-common.c (decode_cmdline_option): Do not report
12969	CL_ERR_DEPRECATED.
12970	(read_cmdline_option): Report warning for OPT_SPECIAL_deprecated
12971	options.
12972	* opts.h (struct cl_option): Remove cl_deprecated flag.
12973	(CL_ERR_DEPRECATED): Remove error enum value.
12974
129752018-08-17  Richard Biener  <rguenther@suse.de>
12976
12977	PR middle-end/86505
12978	* tree-inline.c (copy_bb): When inlining __builtin_va_arg_pack_len ()
12979	across a va-arg-pack using call adjust its return value accordingly.
12980
129812018-08-16  Martin Sebor  <msebor@redhat.com>
12982
12983	PR tree-optimization/86853
12984	* gimple-ssa-sprintf.c (struct format_result): Rename member.
12985	(struct fmtresult): Add member and initialize it in ctors.
12986	(format_character): Handle %C.  Extend range to NUL.  Set MAYFAIL.
12987	(format_string): Handle %S the same as %ls.  Set MAYFAIL.
12988	(format_directive): Set POSUNDER4K when MAYFAIL is set.
12989	(parse_directive): Handle %C same as %c.
12990	(sprintf_dom_walker::compute_format_length): Adjust.
12991	(is_call_safe): Adjust.
12992
129932018-08-16  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12994
12995	* builtins.c (c_strlen): Add new parameter eltsize.  Use it
12996	for determining how to count the elements.
12997	* builtins.h (c_strlen): Adjust prototype.
12998	* expr.c (string_constant): Add new parameter mem_size.
12999	Set *mem_size appropriately.
13000	* expr.h (string_constant): Adjust protoype.
13001	* gimple-fold.c (get_range_strlen): Add new parameter eltsize.
13002	* gimple-fold.h (get_range_strlen): Adjust prototype.
13003	* gimple-ssa-sprintf.c (get_string_length): Add new parameter eltsize.
13004	(format_string): Call get_string_length with eltsize.
13005
130062018-08-16  David Malcolm  <dmalcolm@redhat.com>
13007
13008	* diagnostic.c (default_diagnostic_start_span_fn): Call pp_string
13009	to emit the span, rather than setting it as the prefix.
13010
130112018-08-16  David Malcolm  <dmalcolm@redhat.com>
13012
13013	* diagnostic-show-locus.c (layout::start_annotation_line): Add
13014	"margin_char" parameter, defaulting to space.  Use it in place
13015	of pp_space for the initial part of the margin.
13016	(layout::print_leading_fixits): Use '+' when filling the margin
13017	of line-insertion fix-it hints.
13018
130192018-08-16  Segher Boessenkool  <segher@kernel.crashing.org>
13020
13021	* config/rs6000/rs6000.md (two unnamed define_insn and define_split):
13022	Delete.
13023
130242018-08-16  Segher Boessenkool  <segher@kernel.crashing.org>
13025
13026	* config/rs6000/altivec.md: Don't set length attribute to the default
13027	value.
13028	* config/rs6000/darwin.md: Ditto.
13029	* config/rs6000/dfp.md: Ditto.
13030	* config/rs6000/htm.md: Ditto.
13031	* config/rs6000/rs6000.md: Ditto.
13032	* config/rs6000/sync.md: Ditto.
13033	* config/rs6000/vsx.md: Ditto.
13034
130352018-08-16  Segher Boessenkool  <segher@kernel.crashing.org>
13036
13037	* config/rs6000/altivec.md: Don't set length attribute to the default
13038	value, for branch instructions.
13039	* config/rs6000/darwin.md: Ditto.
13040	* config/rs6000/rs6000.md: Ditto.
13041
130422018-08-16  Segher Boessenkool  <segher@kernel.crashing.org>
13043
13044	* config/rs6000/rs6000.md (length): Always define as const_int 4.
13045	(unnamed conditional branch define_insn): Set length to 4 or 8
13046	depending on offset.
13047	(<bd>_<mode>): Similar, for alternative 0.
13048	(<bd>tf_<mode>): Ditto.
13049
130502018-08-16  Tamar Christina  <tamar.christina@arm.com>
13051
13052	* expr.c (copy_blkmode_to_reg): Perform larger copies when safe.
13053
130542018-08-16  Matthew Malcomson  <matthew.malcomson@arm.com>
13055
13056	* doc/rtl.texi: Replace old RTX class names with new names.
13057
13058
130592018-08-16  Vlad Lazar  <vlad.lazar@arm.com>
13060
13061	* expmed.h (canonicalize_comparison): New declaration.
13062	* expmed.c (canonicalize_comparison, equivalent_cmp_code): New function.
13063	* expmed.c (emit_store_flag_1): Add call to canonicalize_comparison.
13064	* optabs.c (prepare_cmp_insn): Likewise.
13065	* rtl.h (unsigned_condition_p): New function which checks if a
13066	comparison operator is unsigned.
13067
130682018-08-16  Nathan Sidwell  <nathan@acm.org>
13069
13070	* config/rs6000/rs6000-c.c (rs6000_macro_to_expend): Use cpp_macro_p.
13071	* config/powerpcspc/powerpcspe-c.c (rs6000_macro_to_expend): Likewise.
13072
130732018-08-16  Tamar Christina  <tamar.christina@arm.com>
13074
13075	PR target/84711
13076	* config/arm/arm.c (arm_can_change_mode_class): Disallow subreg.
13077	* config/arm/neon.md (movv4hf, movv8hf): Refactored to..
13078	(mov<mov>): ..this and enable unconditionally.
13079
130802018-08-16  Tamar Christina  <tamar.christina@arm.com>
13081
13082	* config/arm/neon.md (*neon_mov<mode>): Remove reg-to-reg alternative.
13083
130842018-08-16  Sam Tebbs  <sam.tebbs@arm.com>
13085
13086	* config/aarch64/aarch64.opt (mlow-precision-recip-sqrt)
13087	(mlow-precision-sqrt, mlow-precision-div, mverbose-cost-dump): Replace
13088	"Common" with "Target".
13089
130902018-08-15  Uros Bizjak  <ubizjak@gmail.com>
13091
13092	* config/i386/i386.opt (mmitigate-rop): Mark as deprecated.
13093	* doc/invoke.texi (mmitigate-rop): Remove.
13094	* config/i386/i386.c: Do not include "regrename.h".
13095	(ix86_rop_should_change_byte_p, reg_encoded_number)
13096	(ix86_get_modrm_for_rop, set_rop_modrm_reg_bits, ix86_mitigate_rop):
13097	Remove.
13098	(ix86_reorg): Remove call to ix86_mitigate_rop.
13099	* config/i386/i386.md (attr "modrm_class"): Remove.
13100	(cmp<mode>_ccno_1, mov<mode>_xor, movstrict<mode>_xor)
13101	(x86_mov<mode>cc_0_m1. x86_mov<mode>cc_0_m1_se)
13102	(x86_mov<mode>cc_0_m1_neg): Remove modrm_class attribute override.
13103
131042018-08-15  Will Schmidt  <will_schmidt@vnet.ibm.com>
13105
13106	* config/rs6000/rs600.c (rs6000_gimple_fold_builtin): Add entries to
13107	allow folding of mergeh() and mergel() for the float and double types.
13108	(fold_mergehl_helper): Rework to handle building a permute tree
13109	for float vectors.
13110
131112018-08-15  Uros Bizjak  <ubizjak@gmail.com>
13112
13113	* config/i386/i386.c (expand_vec_perm_movs): Enable V4SFmode
13114	for TARGET_SSE.
13115
131162018-08-15  David Malcolm  <dmalcolm@redhat.com>
13117
13118	* common.opt (fdiagnostics-show-labels): New option.
13119	* diagnostic-show-locus.c (class layout_range): Add field
13120	"m_label".
13121	(class layout): Add field "m_show_labels_p".
13122	(layout_range::layout_range): Add param "label" and use it to
13123	initialize m_label.
13124	(make_range): Pass in NULL for new "label" param of layout_range's
13125	ctor.
13126	(layout::layout): Initialize m_show_labels_p.
13127	(layout::maybe_add_location_range): Pass in loc_range->m_label
13128	when constructing layout_range instances.
13129	(struct line_label): New struct.
13130	(layout::print_any_labels): New member function.
13131	(layout::print_line): Call it if label-printing is enabled.
13132	(selftest::test_one_liner_labels): New test.
13133	(selftest::test_diagnostic_show_locus_one_liner): Call it.
13134	* diagnostic.c (diagnostic_initialize): Initialize
13135	context->show_labels_p.
13136	* diagnostic.h (struct diagnostic_context): Add field
13137	"show_labels_p".
13138	* doc/invoke.texi (Diagnostic Message Formatting Options): Add
13139	-fno-diagnostics-show-labels.
13140	* dwarf2out.c (gen_producer_string): Add
13141	OPT_fdiagnostics_show_labels to the ignored options.
13142	* gcc-rich-location.c (gcc_rich_location::add_expr): Add "label"
13143	param.
13144	(gcc_rich_location::maybe_add_expr): Likewise.
13145	* gcc-rich-location.h (gcc_rich_location::gcc_rich_location): Add
13146	label" param, defaulting to NULL.
13147	(gcc_rich_location::add_expr): Add "label" param.
13148	(gcc_rich_location::maybe_add_expr): Likewise.
13149	(class text_range_label): New class.
13150	(class range_label_for_type_mismatch): New class.
13151	* gimple-ssa-sprintf.c (fmtwarn): Pass NULL for new label params
13152	of format_warning_va.
13153	(fmtwarn_n): Likewise for new params of format_warning_n_va.
13154	* lto-wrapper.c (merge_and_complain): Add
13155	OPT_fdiagnostics_show_labels to the "pick one setting" options.
13156	(append_compiler_options): Likewise to the dropped options.
13157	(append_diag_options): Likewise to the passed-on options.
13158	* opts.c (common_handle_option): Handle the new option.
13159	* selftest-diagnostic.c
13160	(test_diagnostic_context::test_diagnostic_context): Enable
13161	show_labels_p.
13162	* substring-locations.c: Include "gcc-rich-location.h".
13163	(format_warning_n_va): Add "fmt_label" and "param_label" params
13164	and use them as appropriate.
13165	(format_warning_va): Add "fmt_label" and "param_label" params,
13166	passing them on to format_warning_n_va.
13167	(format_warning_at_substring): Likewise.
13168	(format_warning_at_substring_n): Likewise.
13169	* substring-locations.h (format_warning_va): Add "fmt_label" and
13170	"param_label" params.
13171	(format_warning_n_va): Likewise.
13172	(format_warning_at_substring): Likewise.
13173	(format_warning_at_substring_n): Likewise.
13174	* toplev.c (general_init): Initialize global_dc->show_labels_p.
13175
131762018-08-15  Qing Zhao  <qing.zhao@oracle.com>
13177
13178	PR testsuite/86519
13179	* builtins.c (expand_builtin_memcmp): Do not expand the call
13180	when overflow is detected.
13181
131822018-08-15  Martin Sebor  <msebor@redhat.com>
13183
13184	PR tree-optimization/71625
13185	* config/aarch64/aarch64-builtins.c
13186	(aarch64_init_simd_builtin_types): Clear Poly8_t's TYPE_STRING_FLAG.
13187
131882018-08-15  Ilya Leoshkevich  <iii@linux.ibm.com>
13189
13190	* config/s390/s390.c (s390_reorg): Remove loop.
13191
131922018-08-15  Iain Sandoe  <iain@sandoe.co.uk>
13193
13194	* config/darwin.c
13195	 (darwin_function_switched_text_sections): Delete.
13196	* gcc/config/darwin.h
13197	 (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): Likewise.
13198
131992018-08-15  Iain Sandoe  <iain@sandoe.co.uk>
13200
13201	PR target/81685
13202	* config/darwin.h: (DEBUG_STR_OFFSETS_SECTION, DEBUG_LOCLISTS_SECTION,
13203	DEBUG_RNGLISTS_SECTION) new macros.  (DEBUG_PUBNAMES_SECTION,
13204	DEBUG_PUBTYPES_SECTION) update to include GNU variant.
13205
132062018-08-15  Martin Liska  <mliska@suse.cz>
13207
13208	PR tree-optimization/86925
13209	* predict.c (expr_expected_value_1): When taking
13210	later predictor, assign also probability.
13211	Use fold_build2_initializer_loc in order to fold
13212	the expression in -frounding-math.
13213
132142018-08-14  Allan Sandfeld Jensen  <allan.jensen@qt.io>
13215
13216	* config/i386/i386.c (expand_vec_perm_movs): New method matching movs
13217	patterns.
13218	(expand_vec_perm_1): Try the new method.
13219
132202018-08-14  Ilya Leoshkevich  <iii@linux.ibm.com>
13221
13222	PR target/86547
13223	* lra-lives.c (remove_some_program_points_and_update_live_ranges):
13224	Check whether lra_live_max_point is 0 before dividing.
13225
132262018-08-14  Martin Sebor  <msebor@redhat.com>
13227
13228	PR tree-optimization/86650
13229	* tree-vrp.c (vrp_prop::check_array_ref): Print an inform message.
13230	(vrp_prop::check_mem_ref): Same.
13231
132322018-08-13  Liu Hao  <lh_mouse@126.com>
13233
13234	* pretty-print.c (eat_esc_sequence): Swap the foreground and
13235	background colors if the COMMON_LVB_REVERSE_VIDEO flag is set,
13236	and clear it thereafter, as it only works for DBCS.
13237
132382018-08-13  Liu Hao  <lh_mouse@126.com>
13239
13240	* pretty-print.c (mingw_ansi_fputs): Do not call _close() on the
13241	handle returned by _get_osf_handle().
13242
132432018-08-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
13244
13245	* gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add support
13246	for folding vec_perm.
13247
132482018-08-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
13249
13250	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin):
13251	Add support for gimple-folding of vec_pack() and vec_unpack()
13252	intrinsics.
13253
132542018-08-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
13255
13256	* config/rs6000/rs6000.c (rs6000_builtin_valid_without_lhs): Add
13257	vec_xst variants to the list.
13258	(rs6000_gimple_fold_builtin): Add support for folding unaligned
13259	vector loads and stores.
13260
132612018-08-13  David Edelsohn  <dje.gcc@gmail.com>
13262
13263	* config.gcc (rs6000-ibm-aix4.x): Delete.
13264	(rs6000-ibm-aix5.1): Delete.
13265	(rs6000-ibm-aix5.2): Delete.
13266	(rs6000-ibm-aix5.3): Delete.
13267	* config/rs6000/aix43.h: Delete.
13268	* config/rs6000/aix51.h: Delete.
13269	* config/rs6000/aix52.h: Delete.
13270	* config/rs6000/t-aix43: Delete.
13271
132722018-08-13  Ilya Leoshkevich  <iii@linux.ibm.com>
13273
13274	* config/s390/s390.c (s390_decompose_constant_pool_ref):
13275	New function.
13276	(s390_decompose_address): Factor out constant pool ref
13277	decomposition.
13278
132792018-08-12  Chung-Ju Wu  <jasonwucj@gmail.com>
13280
13281	* config/nds32/nds32-predicates.c
13282	(nds32_can_use_bclr_p): Change return type as bool.
13283	(nds32_can_use_bset_p): Ditto.
13284	(nds32_can_use_btgl_p): Ditto.
13285	(nds32_can_use_bitci_p): Ditto.
13286	* config/nds32/nds32-protos.h
13287	(nds32_can_use_bclr_p): Change declaration.
13288	(nds32_can_use_bset_p): Ditto.
13289	(nds32_can_use_btgl_p): Ditto.
13290	(nds32_can_use_bitci_p): Ditto.
13291
132922018-08-12  Chung-Ju Wu  <jasonwucj@gmail.com>
13293
13294	* config/nds32/nds32.c (nds32_expand_prologue, nds32_expand_epilogue):
13295	Support -msched-prolog-epilog option.
13296	* config/nds32/nds32.opt (msched-prolog-epilog): New option.
13297
132982018-08-12  Chung-Ju Wu  <jasonwucj@gmail.com>
13299
13300	* common/config/nds32/nds32-common.c
13301	(nds32_option_optimization_table): Enalbe -malways-align.
13302
133032018-08-12  Chung-Ju Wu  <jasonwucj@gmail.com>
13304
13305	* config.gcc (nds32*): Add nds32_isr.h and nds32_init.inc in
13306	extra_headers.
13307	* common/config/nds32/nds32-common.c (nds32_handle_option): Handle
13308	OPT_misr_secure_ case.
13309	* config/nds32/nds32-isr.c: Implementation of backward compatibility.
13310	* config/nds32/nds32-protos.h (nds32_isr_function_critical_p): New.
13311	* config/nds32/nds32.c (nds32_attribute_table): Add critical and
13312	secure attribute.
13313	* config/nds32/nds32.h (nds32_isr_nested_type): Add NDS32_CRITICAL.
13314	(nds32_isr_info): New field security_level.
13315	(TARGET_ISR_VECTOR_SIZE_4_BYTE): New macro.
13316	* config/nds32/nds32.md (return_internal): Consider critical attribute.
13317	* config/nds32/nds32.opt (misr-secure): New option.
13318	* config/nds32/nds32_init.inc: New file.
13319	* config/nds32/nds32_isr.h: New file.
13320
133212018-08-11  John David Anglin  <danglin@gcc.gnu.org>
13322
13323	* config/pa/pa.md (UNSPEC_MEMORY_BARRIER): New unspec enum.
13324	Update comment for atomic instructions.
13325	(atomic_storeqi, atomic_storehi, atomic_storesi, atomic_storesf,
13326	atomic_loaddf, atomic_loaddf_1, atomic_storedf, atomic_storedf_1):
13327	Remove.
13328	(atomic_loaddi): Revise fence expansion to only emit fence prior to
13329	load for __ATOMIC_SEQ_CST model.
13330	(atomic_loaddi_1): Remove float register target.
13331	(atomic_storedi): Handle CONST_INT values.
13332	(atomic_storedi_1): Remove float register source.  Add special case
13333	for zero value.
13334	(memory_barrier): New expander and insn.
13335
133362018-08-11  Jakub Jelinek  <jakub@redhat.com>
13337
13338	PR tree-optimization/86835
13339	* tree-ssa-math-opts.c (insert_reciprocals): Even when inserting
13340	new_stmt after def_gsi, make sure to insert new_square_stmt after
13341	that stmt, not 2 stmts before it.
13342
133432018-08-10  Alexander Monakov  <amonakov@ispras.ru>
13344
13345	PR target/82418
13346	* config/i386/i386.md (<s>mul<mode>3_highpart): Use DWIH mode iterator
13347	instead of SWI48.
13348
133492018-08-10  Martin Liska  <mliska@suse.cz>
13350
13351	PR target/83610
13352	* builtin-types.def (BT_FN_LONG_LONG_LONG_DOUBLE): Add new
13353	function type.
13354	* builtins.c (expand_builtin_expect_with_probability):
13355	New function.
13356	(expand_builtin_expect_with_probability): New function.
13357	(build_builtin_expect_predicate): Add new argumnet probability
13358	for BUILT_IN_EXPECT_WITH_PROBABILITY.
13359	(fold_builtin_expect):
13360	(fold_builtin_2):
13361	(fold_builtin_3):
13362	* builtins.def (BUILT_IN_EXPECT_WITH_PROBABILITY):
13363	* builtins.h (fold_builtin_expect): Set new argument.
13364	* doc/extend.texi: Document __builtin_expect_with_probability.
13365	* doc/invoke.texi: Likewise.
13366	* gimple-fold.c (gimple_fold_call): Pass new argument.
13367	* ipa-fnsummary.c (find_foldable_builtin_expect): Handle
13368	also BUILT_IN_EXPECT_WITH_PROBABILITY.
13369	* predict.c (get_predictor_value): New function.
13370	(expr_expected_value): Add new argument probability. Assume
13371	that predictor and probability are always non-null.
13372	(expr_expected_value_1): Likewise.  For __builtin_expect and
13373	__builtin_expect_with_probability set probability.  Handle
13374	combination in binary expressions.
13375	(tree_predict_by_opcode): Simplify code by simply calling
13376	get_predictor_value.
13377	(pass_strip_predict_hints::execute): Add handling of
13378	BUILT_IN_EXPECT_WITH_PROBABILITY.
13379	* predict.def (PRED_BUILTIN_EXPECT_WITH_PROBABILITY): Add
13380	new predictor.
13381	* tree.h (DECL_BUILT_IN_P): New function.
13382
133832018-08-10  Martin Liska  <mliska@suse.cz>
13384
13385	PR tree-optimization/85799
13386	* passes.def: Add argument for pass_strip_predict_hints.
13387	* predict.c (class pass_strip_predict_hints): Add new argument
13388	early_p.
13389	(strip_predictor_early): New function.
13390	(pass_strip_predict_hints::execute): Call the function to
13391	strip predictors.
13392	(strip_predict_hints): New function.
13393	* predict.def: Fix comment.
13394
133952018-08-10  Thomas Preud'homme  <thomas.preudhomme@linaro.org>
13396
13397	* Makefile.in: Clarify which tm.texi to copy over to assert the
13398	right to grant a GFDL license for all.
13399
134002018-08-09  Jeff Law  <law@redhat.com>
13401
13402	* config/m68k/m68k.c (m68k_adjust_decorated_operand): Remove
13403	unused variable.
13404
134052018-08-09  Andreas Schwab  <schwab@linux-m68k.org>
13406
13407	* config/m68k/m68k-protos.h (m68k_final_prescan_insn): Remove
13408	prototype.
13409
134102018-08-09  Richard Sandiford  <richard.sandiford@arm.com>
13411
13412	* tree-vect-loop.c (vectorizable_reduction): Allow inner-loop
13413	reductions for variable-length vectors.
13414
134152018-08-09  David Malcolm  <dmalcolm@redhat.com>
13416
13417	PR other/84889
13418	* common.opt (fdiagnostics-show-line-numbers): New option.
13419	* diagnostic-show-locus.c (class layout): Add fields
13420	"m_show_line_numbers_p" and "m_linenum_width";
13421	(num_digits): New function.
13422	(test_num_digits): New function.
13423	(layout::layout): Initialize new fields.  Update m_x_offset
13424	logic to handle any left margin.
13425	(layout::print_source_line): Print line number when requested.
13426	(layout::start_annotation_line): New member function.
13427	(layout::print_annotation_line): Call it.
13428	(layout::print_leading_fixits): Likewise.
13429	(layout::print_trailing_fixits): Likewise.  Update calls to
13430	move_to_column for new parameter.
13431	(layout::get_x_bound_for_row): Add "add_left_margin" param and use
13432	it to potentially call start_annotation_line.
13433	(layout::show_ruler): Call start_annotation_line.
13434	(selftest::test_line_numbers_multiline_range): New selftest.
13435	(selftest::diagnostic_show_locus_c_tests): Call test_num_digits
13436	and selftest::test_line_numbers_multiline_range.
13437	* diagnostic.c (diagnostic_initialize): Initialize
13438	show_line_numbers_p.
13439	* diagnostic.h (struct diagnostic_context): Add field
13440	"show_line_numbers_p".
13441	* doc/invoke.texi (Diagnostic Message Formatting Options): Add
13442	-fno-diagnostics-show-line-numbers.
13443	* dwarf2out.c (gen_producer_string): Add
13444	OPT_fdiagnostics_show_line_numbers to the ignored options.
13445	* lto-wrapper.c (merge_and_complain): Likewise to the "pick
13446	one setting" options.
13447	(append_compiler_options): Likewise to the dropped options.
13448	(append_diag_options): Likewise to the passed-on options.
13449	* opts.c (common_handle_option): Handle the new option.
13450	* toplev.c (general_init): Set up global_dc->show_line_numbers_p.
13451
134522018-08-09  Kelvin Nilsen  <kelvin@gcc.gnu.org>
13453
13454	* doc/extend.texi (PowerPC AltiVec Built-in Functions Available on
13455	ISA 2.07): Correct spelling of bcdsub to be __builtin_bcdsub.  Add
13456	third argument of type "const signed char" to descriptions of
13457	__builtin_bcdadd, __builtin_bcdadd_lt, __builtin_bcdadd_eq,
13458	__builtin_bcdadd_gt, __builtin_bcdadd_ov, __builtin_bcdsub,
13459	__builtin_bcdsub_lt, __builtin_bcdsub_eq, __builtin_bcdsub_gt,
13460	__builtin_bcdsub_ov functions.
13461
134622018-08-09  Richard Sandiford  <richard.sandiford@arm.com>
13463
13464	PR tree-optimization/86858
13465	* tree-vect-loop.c (vect_is_simple_reduction): Restore
13466	flow_bb_inside_loop_p calls.
13467
134682018-08-09  Richard Sandiford  <richard.sandiford@arm.com>
13469
13470	PR tree-optimization/86871
13471	* tree-vect-stmts.c (vect_transform_stmt): Use gimple_get_lhs
13472	instead of gimple_assign_lhs.
13473
134742018-08-09  Richard Earnshaw  <rearnsha@arm.com>
13475
13476	PR target/86887
13477	* config/aarch64/aarch64.md (add<mode>3_carryinC_zero): Add missing
13478	register constraint to operand 0.
13479	(add<mode>3_carryinC): Likewise.
13480	(add<mode>3_carryinV_zero, add<mode>3_carryinV): Likewise.
13481
134822018-08-09  Martin Liska  <mliska@suse.cz>
13483
13484	PR c/86895
13485	* common.opt: Remove extra line.
13486
134872018-08-09  Martin Liska  <mliska@suse.cz>
13488
13489	* params.def (PARAM_ALIGN_LOOP_ITERATIONS): Remove double dots
13490	at the end of a line, make first letter capital and end up
13491	a sentence with a dot.
13492	(PARAM_LOOP_INTERCHANGE_STRIDE_RATIO): Likewise.
13493	(PARAM_LOOP_BLOCK_TILE_SIZE): Likewise.
13494	(PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Likewise.
13495	(PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP): Likewise.
13496	(PARAM_MAX_ISL_OPERATIONS): Likewise.
13497	(PARAM_GRAPHITE_ALLOW_CODEGEN_ERRORS): Likewise.
13498	(PARAM_PROFILE_FUNC_INTERNAL_ID): Likewise.
13499	(PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
13500	(PARAM_SLP_MAX_INSNS_IN_BB): Likewise.
13501	(PARAM_IPA_CP_EVAL_THRESHOLD): Likewise.
13502	(PARAM_IPA_CP_RECURSION_PENALTY): Likewise.
13503	(PARAM_IPA_CP_SINGLE_CALL_PENALTY): Likewise.
13504	(PARAM_IPA_CP_LOOP_HINT_BONUS): Likewise.
13505	(PARAM_IPA_CP_ARRAY_INDEX_HINT_BONUS): Likewise.
13506	(PARAM_TREE_REASSOC_WIDTH): Likewise.
13507	(PARAM_HSA_GEN_DEBUG_STORES): Likewise.
13508	(PARAM_MAX_SPECULATIVE_DEVIRT_MAYDEFS): Likewise.
13509	(PARAM_MAX_VRP_SWITCH_ASSERTIONS): Likewise.
13510
135112018-08-09  Andreas Krebbel  <krebbel@linux.ibm.com>
13512
13513	PR target/84332
13514	* config/s390/s390.c (s390_option_override_internal): Reduce the
13515	stack-clash-protection-probe-interval param if it would be too big
13516	for z900.
13517
135182018-08-08  Andreas Schwab  <schwab@linux-m68k.org>
13519
13520	PR target/46179
13521	* config/m68k/m68k.h (FINAL_PRESCAN_INSN): Don't define.
13522	* config/m68k/m68k.c (handle_move_double): Don't call
13523	m68k_final_prescan_insn.
13524	(m68k_adjust_decorated_operand): Renamed from
13525	m68k_final_prescan_insn, remove first and third operand and
13526	simplify.
13527	(print_operand): Call it.
13528	(print_operand_address): Call it.
13529
135302018-08-08  Nathan Sidwell  <nathan@acm.org>
13531
13532	* diagnostic.c (diagnostic_report_current_module): Use
13533	linemap_included_from & linemap_included_from_linemap.
13534
135352018-08-08  Hongbo Zhang  <hongbo.zhang@linaro.org>
13536
13537	* config/aarch64/aarch64-cores.def: Add phecda core.
13538	* config/aarch64/aarch64-tune.md: Regenerate.
13539	* doc/invoke.texi: Add phecda core.
13540
135412018-08-08  Andreas Krebbel  <krebbel@linux.ibm.com>
13542
13543	PR target/85295
13544	* config/s390/constraints.md ("NxHD0", "NxSD0"): New constraint
13545	definitions.
13546	* config/s390/s390.md ("movti"): Add more alternatives for
13547	constant to GPR copies.
13548
135492018-08-08  Andreas Krebbel  <krebbel@linux.ibm.com>
13550
13551	* config/s390/s390.c: Fix whitespace damage throughout the file.
13552	* config/s390/s390.h: Likewise.
13553	* config/s390/tpf.h: Likewise.
13554
135552018-08-08  Ilya Leoshkevich  <iii@linux.ibm.com>
13556
13557	* config/s390/s390.c (s390_loadrelative_operand_p):
13558	Remove TARGET_CPU_ZARCH usages.
13559	(s390_rtx_costs): Likewise.
13560	(s390_legitimate_constant_p): Likewise.
13561	(s390_cannot_force_const_mem): Likewise.
13562	(legitimate_reload_constant_p): Likewise.
13563	(s390_preferred_reload_class): Likewise.
13564	(legitimize_pic_address): Likewise.
13565	(legitimize_tls_address): Likewise.
13566	(s390_split_branches): Removed.
13567	(s390_add_execute): Removed.
13568	(s390_dump_pool): Remove TARGET_CPU_ZARCH usages.
13569	(s390_mainpool_start): Likewise.
13570	(s390_mainpool_finish): Likewise.
13571	(s390_mainpool_cancel): Removed.
13572	(s390_chunkify_start): Remove TARGET_CPU_ZARCH usages.
13573	(s390_chunkify_cancel): Likewise.
13574	(s390_return_addr_rtx): Likewise.
13575	(s390_register_info): Remove split_branches_pending_p uages.
13576	(s390_optimize_register_info): Likewise.
13577	(s390_init_frame_layout): Remove TARGET_CPU_ZARCH and
13578	split_branches_pending_p usages.
13579	(s390_can_eliminate): Remove TARGET_CPU_ZARCH usages.
13580	(s390_load_got): Likewise.
13581	(s390_expand_split_stack_prologue): Likewise.
13582	(output_asm_nops): Likewise.
13583	(s390_function_profiler): Likewise.
13584	(s390_emit_call): Likewise.
13585	(s390_conditional_register_usage): Likewise.
13586	(s390_optimize_prologue): Likewise.
13587	(s390_reorg): Remove TARGET_CPU_ZARCH and
13588	split_branches_pending_p usages.
13589	(s390_option_override_internal): Remove TARGET_CPU_ZARCH
13590	usages.
13591	(s390_output_indirect_thunk_function): Likewise.
13592	* config/s390/s390.h (TARGET_CPU_ZARCH): Removed.
13593	(TARGET_CPU_ZARCH_P): Removed.
13594	(struct machine_function): Remove split_branches_pending_p.
13595	* config/s390/s390.md: Remove TARGET_CPU_ZARCH usages.
13596
135972018-08-08  Ilya Leoshkevich  <iii@linux.ibm.com>
13598
13599	* common/config/s390/s390-common.c (processor_flags_table):
13600	Remove flags.
13601	* config.gcc: Remove with_arch/with_tune support.
13602	* config/s390/2064.md: Remove cpu attribute comparisons.
13603	* config/s390/driver-native.c (s390_host_detect_local_cpu):
13604	Remove MTN.
13605	* config/s390/linux.h (ASM_SPEC):
13606	Remove -march support.
13607	* config/s390/s390-c.c (s390_cpu_cpp_builtins_internal):
13608	Use a table to get an arch level.
13609	* config/s390/s390-opts.h (enum processor_type):
13610	Remove enum values.
13611	* config/s390/s390.c
13612	(processor_table): Remove entries, add arch_level values.
13613	(s390_issue_rate): Remove cases.
13614	(s390_option_override): Adjust
13615	s390_option_override_internal() call.
13616	(s390_option_override_internal): Remove deprecation warning.
13617	(s390_valid_target_attribute_tree): Adjust
13618	s390_option_override_internal() call.
13619	* config/s390/s390.h (struct s390_processor):
13620	Share with s390-c.c, add arch_level field.
13621	* config/s390/s390.md:
13622	Remove occurrences in cpu attribute.
13623	* config/s390/s390.opt: Remove -march/-mtune support.
13624	* config/s390/tpf.h (ASM_SPEC): Remove -march support.
13625	* doc/invoke.texi: Remove deprecation warning.
13626
136272018-08-08  Luis Machado  <luis.machado@linaro.org>
13628
13629	* config/aarch64/aarch64.c (qdf24xx_vector_cost): New static
13630	global.
13631	(qdf24xx_tunings): Set vector cost structure to
13632	qdf24xx_vector_cost.
13633
13634	* config/aarch64/aarch64.c (qdf24xx_addrcost_table)
13635	<register_sextend>: Set to 3.
13636
136372018-08-07  Richard Sandiford  <richard.sandiford@arm.com>
13638
13639	PR target/86838
13640	* config/aarch64/iterators.md (FRECP, frecp_suffix): Delete.
13641	* config/aarch64/aarch64-simd.md
13642	(aarch64_frecp<FRECP:frecp_suffix><mode>): Fold FRECPE into...
13643	(@aarch64_frecpe<mode>): ...here and the move FRECPX to...
13644	(aarch64_frecpx<mode>): ...this new pattern.
13645	* config/aarch64/aarch64-simd-builtins.def: Remove comment
13646	about aarch64_frecp<FRECP:frecp_suffix><mode>.
13647
136482018-08-07  Martin Liska  <mliska@suse.cz>
13649
13650	PR middle-end/83023
13651	* predict.c (expr_expected_value_1): Handle DECL_IS_MALLOC,
13652	BUILT_IN_REALLOC and DECL_IS_OPERATOR_NEW.
13653	* predict.def (PRED_MALLOC_NONNULL): New predictor.
13654	* doc/extend.texi: Document that malloc attribute adds
13655	hit to compiler.
13656
136572018-08-06  John David Anglin  <danglin@gcc.gnu.org>
13658
13659	PR target/86785
13660	* config/pa/pa.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13661	Define to speculation_safe_value_not_needed.
13662
136632018-08-06  Jeff Law  <law@redhat.com>
13664
13665	* tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Pass down
13666	the vr_values instance to cprop_into_stmt.
13667	(cprop_into_stmt): Pass vr_values instance down to cprop_operand.
13668	(cprop_operand): Also query EVRP to determine if OP is a constant.
13669
136702018-08-06  Nathan Sidwell  <nathan@acm.org>
13671
13672	* diagnostic.c (diagnostic_report_current_module): Reroll
13673	included-at loop.  Translate text.
13674
136752018-08-06  David Malcolm  <dmalcolm@redhat.com>
13676
13677	* function-tests.c (selftest::test_expansion_to_rtl): Call
13678	free_after_compilation.
13679
136802018-08-06  Alan Hayward  <alan.hayward@arm.com>
13681
13682	* config/aarch64/aarch64.md: Add clobber highs to tls_desc.
13683
136842018-08-06  Andreas Krebbel  <krebbel@linux.ibm.com>
13685
13686	* config/s390/s390.c (s390_loop_unroll_adjust): Prevent small
13687	loops with memory block operations from getting unrolled.
13688
136892018-08-06  Ulrich Weigand  <uweigand@de.ibm.com>
13690
13691	PR target/86807
13692	* config/spu/spu.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13693	Define to speculation_safe_value_not_needed.
13694
136952018-08-06  Jeff Law  <law@redhat.com>
13696
13697	* reload1.c (forget_old_reloads_1): Adjust CLOBBER_HIGH
13698	assert.
13699
137002018-08-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
13701
13702	PR target/86662
13703	* gcc/tree.c (build_common_tree_nodes): Initialize integer_types array
13704	with all enabled __intN types.
13705
13706	* gcc/testsuite/gcc.target/msp430/pr86662.c: New test.
13707
137082018-08-06  Alan Hayward  <alan.hayward@arm.com>
13709
13710	* alias.c (record_set): Check for clobber high.
13711	* cfgexpand.c (expand_gimple_stmt): Likewise.
13712	* combine-stack-adj.c (single_set_for_csa): Likewise.
13713	* combine.c (find_single_use_1): Likewise.
13714	(set_nonzero_bits_and_sign_copies): Likewise.
13715	(get_combine_src_dest): Likewise.
13716	(is_parallel_of_n_reg_sets): Likewise.
13717	(try_combine): Likewise.
13718	(record_dead_and_set_regs_1): Likewise.
13719	(reg_dead_at_p_1): Likewise.
13720	(reg_dead_at_p): Likewise.
13721	* dce.c (deletable_insn_p): Likewise.
13722	(mark_nonreg_stores_1): Likewise.
13723	(mark_nonreg_stores_2): Likewise.
13724	* df-scan.c (df_find_hard_reg_defs): Likewise.
13725	(df_uses_record): Likewise.
13726	(df_get_call_refs): Likewise.
13727	* dwarf2out.c (mem_loc_descriptor): Likewise.
13728	* haifa-sched.c (haifa_classify_rtx): Likewise.
13729	* ira-build.c (create_insn_allocnos): Likewise.
13730	* ira-costs.c (scan_one_insn): Likewise.
13731	* ira.c (equiv_init_movable_p): Likewise.
13732	(rtx_moveable_p): Likewise.
13733	(interesting_dest_for_shprep): Likewise.
13734	* jump.c (mark_jump_label_1): Likewise.
13735	* postreload-gcse.c (record_opr_changes): Likewise.
13736	* postreload.c (reload_cse_simplify): Likewise.
13737	(struct reg_use): Add source expr.
13738	(reload_combine): Check for clobber high.
13739	(reload_combine_note_use): Likewise.
13740	(reload_cse_move2add): Likewise.
13741	(move2add_note_store): Likewise.
13742	* print-rtl.c (print_pattern): Likewise.
13743	* recog.c (decode_asm_operands): Likewise.
13744	(store_data_bypass_p): Likewise.
13745	(if_test_bypass_p): Likewise.
13746	* regcprop.c (kill_clobbered_value): Likewise.
13747	(kill_set_value): Likewise.
13748	* reginfo.c (reg_scan_mark_refs): Likewise.
13749	* reload1.c (maybe_fix_stack_asms): Likewise.
13750	(eliminate_regs_1): Likewise.
13751	(elimination_effects): Likewise.
13752	(mark_not_eliminable): Likewise.
13753	(scan_paradoxical_subregs): Likewise.
13754	(forget_old_reloads_1): Likewise.
13755	* reorg.c (find_end_label): Likewise.
13756	(try_merge_delay_insns): Likewise.
13757	(redundant_insn): Likewise.
13758	(own_thread_p): Likewise.
13759	(fill_simple_delay_slots): Likewise.
13760	(fill_slots_from_thread): Likewise.
13761	(dbr_schedule): Likewise.
13762	* resource.c (update_live_status): Likewise.
13763	(mark_referenced_resources): Likewise.
13764	(mark_set_resources): Likewise.
13765	* rtl.c (copy_rtx): Likewise.
13766	* rtlanal.c (reg_referenced_p): Likewise.
13767	(single_set_2): Likewise.
13768	(noop_move_p): Likewise.
13769	(note_stores): Likewise.
13770	* sched-deps.c (sched_analyze_reg): Likewise.
13771	(sched_analyze_insn): Likewise.
13772
137732018-08-06  Alan Hayward  <alan.hayward@arm.com>
13774
13775	* cse.c (invalidate_reg): New function extracted from...
13776	(invalidate): ...here.
13777	(canonicalize_insn): Check for clobber high.
13778	(invalidate_from_clobbers): invalidate clobber highs.
13779	(invalidate_from_sets_and_clobbers): Likewise.
13780	(count_reg_usage): Check for clobber high.
13781	(insn_live_p): Likewise.
13782	* cselib.c (cselib_expand_value_rtx_1):Likewise.
13783	(cselib_invalidate_regno): Check for clobber in setter.
13784	(cselib_invalidate_rtx): Pass through setter.
13785	(cselib_invalidate_rtx_note_stores):
13786	(cselib_process_insn): Check for clobber high.
13787	* cselib.h (cselib_invalidate_rtx): Add operand.
13788
137892018-08-06  Alan Hayward  <alan.hayward@arm.com>
13790
13791	* lra-eliminations.c (lra_eliminate_regs_1): Check for clobber high.
13792	(mark_not_eliminable): Likewise.
13793	* lra-int.h (struct lra_insn_reg): Add clobber high marker.
13794	* lra-lives.c (process_bb_lives): Check for clobber high.
13795	* lra.c (new_insn_reg): Remember clobber highs.
13796	(collect_non_operand_hard_regs): Check for clobber high.
13797	(lra_set_insn_recog_data): Likewise.
13798	(add_regs_to_insn_regno_info): Likewise.
13799	(lra_update_insn_regno_info): Likewise.
13800
138012018-08-06  Alan Hayward  <alan.hayward@arm.com>
13802
13803	* rtl.h (reg_is_clobbered_by_clobber_high): Add declarations.
13804	* rtlanal.c (reg_is_clobbered_by_clobber_high): Add function.
13805
138062018-08-06  Alan Hayward  <alan.hayward@arm.com>
13807
13808	* emit-rtl.c (verify_rtx_sharing): Check for CLOBBER_HIGH.
13809	(copy_insn_1): Likewise.
13810	(gen_hard_reg_clobber_high): New gen function.
13811	* genconfig.c (walk_insn_part): Check for CLOBBER_HIGH.
13812	* genemit.c (gen_exp): Likewise.
13813	(gen_emit_seq): Pass through info.
13814	(gen_insn): Check for CLOBBER_HIGH.
13815	(gen_expand): Pass through info.
13816	(gen_split): Likewise.
13817	(output_add_clobbers): Likewise.
13818	* genrecog.c (validate_pattern): Check for CLOBBER_HIGH.
13819	(remove_clobbers): Likewise.
13820	* rtl.h (gen_hard_reg_clobber_high): New declaration.
13821
138222018-08-06  Alan Hayward  <alan.hayward@arm.com>
13823
13824	* doc/rtl.texi (clobber_high): Add.
13825	(parallel): Add in clobber high
13826	* rtl.c (rtl_check_failed_code3): Add function.
13827	* rtl.def (CLOBBER_HIGH): Add expression.
13828	* rtl.h (RTL_CHECKC3): Add macro.
13829	(rtl_check_failed_code3): Add declaration.
13830	(XC3EXP): Add macro.
13831
138322018-08-05  H.J. Lu  <hongjiu.lu@intel.com>
13833
13834	PR target/86386
13835	* config/i386/i386.c (ix86_finalize_stack_frame_flags): Set
13836	cfun->machine->max_used_stack_alignment if needed.
13837
138382018-08-04  Martin Sebor  <msebor@redhat.com>
13839
13840	PR tree-optimization/86571
13841	* gimple-ssa-sprintf.c (format_floating): Extend upper bound of
13842	NaN output to 4.
13843
138442018-08-03  Sandra Loosemore  <sandra@codesourcery.com>
13845
13846	PR target/86799
13847	* config/nios2/nios2.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13848	Define.
13849
138502018-08-03  Jeff Law  <law@redhat.com>
13851
13852	PR target/86795
13853	* config/mn10300/mn10300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13854	Define to speculation_safe_value_not_needed.
13855
138562018-08-03  David Malcolm  <dmalcolm@redhat.com>
13857
13858	* doc/gcov.texi (-x): Remove duplicate "to".
13859	* doc/invoke.texi (-Wnoexcept-type): Remove duplicate "calls".
13860	(-Wif-not-aligned): Remove duplicate "is".
13861	(-flto): Remove duplicate "the".
13862	(MicroBlaze Options): In examples of "-mcpu=cpu-type", remove
13863	duplicate "v5.00.b".
13864	(MSP430 Options): Remove duplicate "and" from the description
13865	of "-mgprel-sec=regexp".
13866	(x86 Options): Remove duplicate copies of "vmldLog102" and
13867	vmlsLog104 from description of "-mveclibabi=type".
13868
138692018-08-03  Richard Sandiford  <richard.sandiford@arm.com>
13870
13871	* internal-fn.h (first_commutative_argument): Declare.
13872	* internal-fn.c (first_commutative_argument): New function.
13873	* tree-vect-slp.c (vect_get_and_check_slp_defs): Remove extra
13874	restrictions for pattern statements.  Use first_commutative_argument
13875	to look for commutative operands in calls to internal functions.
13876
138772018-08-03  Aldy Hernandez  <aldyh@redhat.com>
13878
13879	* Makefile.in (wide-int-range.o): New.
13880	* tree-vrp.c: Move all the wide_int_* functions to...
13881	* wide-int-range.cc: ...here.
13882	* tree-vrp.h: Move all the wide_int_* prototypes to...
13883	* wide-int-range.h: ...here.
13884
138852018-08-03  Tom de Vries  <tdevries@suse.de>
13886
13887	* common/config/nvptx/nvptx-common.c (nvptx_except_unwind_info): Return
13888	UI_NONE.
13889	* config/nvptx/nvptx.c (TARGET_ASM_BYTE_OP): Remove define.
13890	* except.c (output_function_exception_table): Do early exit if
13891	targetm_common.except_unwind_info (&global_options) == UI_NONE.
13892
138932018-08-03  Martin Liska  <mliska@suse.cz>
13894
13895	* predict.c (dump_prediction): Change to 2 digits
13896	in fraction part.
13897
138982018-08-03  Siddhesh Poyarekar  <siddhesh@sourceware.org>
13899
13900	* config/aarch64/falkor.md (falkor_am_1_vxvy_vxvy): Move
13901	neon_dup_q to...
13902	(falkor_am_1_gtov_gtov): ... a new insn reservation.
13903
139042018-07-19  Ilya Leoshkevich  <iii@linux.ibm.com>
13905
13906	* config/nds32/nds32.c (nds32_hard_regno_mode_ok): Replace > with >=.
13907	* df-problems.c (df_remove_dead_eq_notes): Replace > with >=.
13908	* dwarf2out.c (mem_loc_descriptor): Replace > with >=.
13909	* lra-constraints.c (spill_hard_reg_in_range): Replace <= with <.
13910	* lra-remat.c (call_used_input_regno_present_p): Replace <= with <.
13911
139122018-08-02  David Malcolm  <dmalcolm@redhat.com>
13913
13914	* diagnostic-show-locus.c (diagnostic_show_locus): Use
13915	pp_take_prefix when saving the existing prefix.
13916	* diagnostic.c (diagnostic_append_note): Likewise.
13917	* langhooks.c (lhd_print_error_function): Likewise.
13918	* pretty-print.c (pp_set_prefix): Drop the "const" from "prefix"
13919	param's type.  Free the existing prefix.
13920	(pp_take_prefix): New function.
13921	(pretty_printer::pretty_printer): Drop the prefix parameter.
13922	Rename the length parameter to match the comment.
13923	(pretty_printer::~pretty_printer): Free the prefix.
13924	* pretty-print.h (pretty_printer::pretty_printer): Drop the prefix
13925	parameter.
13926	(struct pretty_printer): Drop the "const" from "prefix" field's
13927	type and clarify memory management.
13928	(pp_set_prefix): Drop the "const" from the 2nd param.
13929	(pp_take_prefix): New decl.
13930
139312018-08-02  Aaron Sawdey  <acsawdey@linux.ibm.com>
13932
13933	* config/rs6000/rs6000-string.c (select_block_compare_mode): Move test
13934	for word_mode_ok here instead of passing as argument.
13935	(expand_block_compare): Change select_block_compare_mode() call.
13936	(expand_strncmp_gpr_sequence): New function.
13937	(expand_strn_compare): Make use of expand_strncmp_gpr_sequence.
13938
139392018-08-02  Jeff Law  <law@redhat.com>
13940
13941	PR target/86790
13942	* config/m68k/m68k.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13943	Define to speculation_safe_value_not_needed.
13944
13945	PR target/86784
13946	* config/h8300/h8300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13947	Define to speculation_safe_value_not_needed.
13948
139492018-08-02  Tom de Vries  <tdevries@suse.de>
13950
13951	PR target/86660
13952	* common/config/nvptx/nvptx-common.c (nvptx_except_unwind_info): New
13953	function.  Return UI_TARGET unconditionally.
13954	(TARGET_EXCEPT_UNWIND_INFO): Redefine to nvptx_except_unwind_info.
13955	* config/nvptx/nvptx.c (TARGET_ASM_BYTE_OP): Emit commented out '.byte'.
13956
139572018-08-02  Richard Sandiford  <richard.sandiford@arm.com>
13958
13959	* genemit.c (print_overload_test): Fix typo.
13960
139612018-08-02  Richard Biener  <rguenther@suse.de>
13962
13963	PR tree-optimization/86816
13964	* tree-ssa-tail-merge.c (tail_merge_valueize): New function
13965	which checks for value availability before querying it.
13966	(gvn_uses_equal): Use it.
13967	(same_succ_hash): Likewise.
13968	(gimple_equal_p): Likewise.
13969
139702018-08-02  Nick Clifton  <nickc@redhat.com>
13971
13972	PR target/86813
13973	* config/stormy16/stormy16.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13974	Define to speculation_safe_value_not_needed.
13975
13976	PR target/86810
13977	* config/v850/v850.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13978	Define to speculation_safe_value_not_needed.
13979
13980	PR target/86810
13981	* config/v850/v850.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13982	Define to speculation_safe_value_not_needed.
13983
13984	PR target/86803
13985	* config/rx/rx.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13986	Define to speculation_safe_value_not_needed.
13987
13988	PR target/86797
13989	* config/msp430/msp430.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13990	Define to speculation_safe_value_not_needed.
13991
13992	PR target/86791
13993	* config/mcore/mcore.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13994	Define to speculation_safe_value_not_needed.
13995
13996	PR target/86789
13997	* config/m32r/m32r.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
13998	Define to speculation_safe_value_not_needed.
13999
14000	PR target/86787
14001	* config/iq2000/iq2000.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
14002	Define to speculation_safe_value_not_needed.
14003
14004	PR target/86782
14005	* config/frv/frv.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to
14006	speculation_safe_value_not_needed.
14007
14008	PR target/86781
14009	* config/fr30/fr30.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define
14010	to speculation_safe_value_not_needed.
14011
140122018-08-02  Richard Sandiford  <richard.sandiford@arm.com>
14013
14014	* doc/md.texi: Expand the documentation of instruction names
14015	to mention port-local uses.  Document '@' in pattern names.
14016	* read-md.h (overloaded_instance, overloaded_name): New structs.
14017	(mapping): Declare.
14018	(md_reader::handle_overloaded_name): New member function.
14019	(md_reader::get_overloads): Likewise.
14020	(md_reader::m_first_overload): New member variable.
14021	(md_reader::m_next_overload_ptr): Likewise.
14022	(md_reader::m_overloads_htab): Likewise.
14023	* read-md.c (md_reader::md_reader): Initialize m_first_overload,
14024	m_next_overload_ptr and m_overloads_htab.
14025	* read-rtl.c (iterator_group): Add "type" and "get_c_token" fields.
14026	(get_mode_token, get_code_token, get_int_token): New functions.
14027	(map_attr_string): Add an optional argument that passes back
14028	the associated iterator.
14029	(overloaded_name_hash, overloaded_name_eq_p, named_rtx_p):
14030	(md_reader::handle_overloaded_name, add_overload_instance): New
14031	functions.
14032	(apply_iterators): Handle '@' names.  Report an error if '@'
14033	is used without iterators.
14034	(initialize_iterators): Initialize the new iterator_group fields.
14035	* genopinit.c (handle_overloaded_code_for)
14036	(handle_overloaded_gen): New functions.
14037	(main): Use them to print declarations of maybe_code_for_* and
14038	maybe_gen_* functions, and inline definitions of code_for_* and gen_*.
14039	* genemit.c (print_overload_arguments, print_overload_test)
14040	(handle_overloaded_code_for, handle_overloaded_gen): New functions.
14041	(main): Use it to print definitions of maybe_code_for_* and
14042	maybe_gen_* functions.
14043	* config/aarch64/aarch64.c (aarch64_split_128bit_move): Use
14044	gen_aarch64_mov{low,high}_di and gen_aarch64_movdi_{low,high}
14045	instead of explicit mode checks.
14046	(aarch64_split_simd_combine): Likewise gen_aarch64_simd_combine.
14047	(aarch64_split_simd_move): Likewise gen_aarch64_split_simd_mov.
14048	(aarch64_emit_load_exclusive): Likewise gen_aarch64_load_exclusive.
14049	(aarch64_emit_store_exclusive): Likewise gen_aarch64_store_exclusive.
14050	(aarch64_expand_compare_and_swap): Likewise
14051	gen_aarch64_compare_and_swap and gen_aarch64_compare_and_swap_lse
14052	(aarch64_gen_atomic_cas): Likewise gen_aarch64_atomic_cas.
14053	(aarch64_emit_atomic_swap): Likewise gen_aarch64_atomic_swp.
14054	(aarch64_constant_pool_reload_icode): Delete.
14055	(aarch64_secondary_reload): Use code_for_aarch64_reload_movcp
14056	instead of aarch64_constant_pool_reload_icode.  Use
14057	code_for_aarch64_reload_mov instead of explicit mode checks.
14058	(rsqrte_type, get_rsqrte_type, rsqrts_type, get_rsqrts_type): Delete.
14059	(aarch64_emit_approx_sqrt): Use gen_aarch64_rsqrte instead of
14060	get_rsqrte_type and gen_aarch64_rsqrts instead of gen_rqrts_type.
14061	(recpe_type, get_recpe_type, recps_type, get_recps_type): Delete.
14062	(aarch64_emit_approx_div): Use gen_aarch64_frecpe instead of
14063	get_recpe_type and gen_aarch64_frecps instead of get_recps_type.
14064	(aarch64_atomic_load_op_code): Delete.
14065	(aarch64_emit_atomic_load_op): Likewise.
14066	(aarch64_gen_atomic_ldop): Use UNSPECV_ATOMIC_* instead of
14067	aarch64_atomic_load_op_code.  Use gen_aarch64_atomic_load
14068	instead of aarch64_emit_atomic_load_op.
14069	* config/aarch64/aarch64.md (aarch64_reload_movcp<GPF_TF:mode><P:mode>)
14070	(aarch64_reload_movcp<VALL:mode><P:mode>, aarch64_reload_mov<mode>)
14071	(aarch64_movdi_<mode>low, aarch64_movdi_<mode>high)
14072	(aarch64_mov<mode>high_di, aarch64_mov<mode>low_di): Add a '@'
14073	character before the pattern name.
14074	* config/aarch64/aarch64-simd.md (aarch64_split_simd_mov<mode>)
14075	(aarch64_rsqrte<mode>, aarch64_rsqrts<mode>)
14076	(aarch64_simd_combine<mode>, aarch64_frecpe<mode>)
14077	(aarch64_frecps<mode>): Likewise.
14078	* config/aarch64/atomics.md (atomic_compare_and_swap<mode>)
14079	(aarch64_compare_and_swap<mode>, aarch64_compare_and_swap<mode>_lse)
14080	(aarch64_load_exclusive<mode>, aarch64_store_exclusive<mode>)
14081	(aarch64_atomic_swp<mode>, aarch64_atomic_cas<mode>)
14082	(aarch64_atomic_load<atomic_ldop><mode>): Likewise.
14083
140842018-08-02  Richard Sandiford  <richard.sandiford@arm.com>
14085
14086	* config/aarch64/aarch64.c (aarch64_float_const_representable_p):
14087	Allow HFmode constants if TARGET_FP_F16INST.
14088
140892018-08-02  Jackson Woodruff  <jackson.woodruff@arm.com>
14090
14091	PR target/86014
14092	* config/aarch64/aarch64.c (aarch64_operands_adjust_ok_for_ldpstp):
14093	No longer check last store for clobber of address register.
14094
140952018-08-02  Martin Liska  <mliska@suse.cz>
14096
14097	PR gcov-profile/86817
14098	* gcov.c (process_all_functions): New function.
14099	(main): Call it.
14100	(process_file): Move functions processing to
14101	process_all_functions.
14102
141032018-08-02  David Malcolm  <dmalcolm@redhat.com>
14104
14105	* dumpfile.c (dump_user_location_t::dump_user_location_t): Add
14106	"const" to the "gimple *" and "rtx_insn *" parameters.
14107	* dumpfile.h (dump_user_location_t::dump_user_location_t):
14108	Likewise.
14109	(dump_location_t::dump_location_t): Likewise.
14110
141112018-08-01  Martin Sebor  <msebor@redhat.com>
14112
14113	PR tree-optimization/86650
14114	* gimple-pretty-print.c (percent_G_format): Accept a "gimple *"
14115	rather than a "gcall *".  Directly pass the data of interest
14116	to percent_K_format, rather than building a temporary CALL_EXPR
14117	to hold it.
14118	* gimple-fold.c (gimple_fold_builtin_strncpy): Adjust.
14119	(gimple_fold_builtin_strncat): Adjust.
14120	* gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Replace
14121	gcall* argument with gimple*.
14122	* gimple-ssa-warn-restrict.c (check_call): Same.
14123	(wrestrict_dom_walker::before_dom_children): Same.
14124	(builtin_access::builtin_access): Same.
14125	(check_bounds_or_overlap): Same
14126	(maybe_diag_overlap): Same.
14127	(maybe_diag_offset_bounds): Same.
14128	* tree-diagnostic.c (default_tree_printer): Move usage of
14129	EXPR_LOCATION (t) and TREE_BLOCK (t) from within percent_K_format
14130	to this callsite.
14131	* tree-pretty-print.c (percent_K_format): Add argument.
14132	* tree-pretty-print.h: Add argument.
14133	* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust.
14134	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Adjust.
14135	(maybe_diag_stxncpy_trunc): Same.
14136	(handle_builtin_stxncpy): Same.
14137	(handle_builtin_strcat): Same.
14138
141392018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14140
14141	* match.pd: Optimise pointer range checks.
14142
141432018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14144
14145	PR tree-optimization/86758
14146	* tree-vect-stmts.c (vectorizable_simd_clone_call): Don't try
14147	to remove pattern statements.
14148
141492018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14150
14151	* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Use the
14152	result of dfs_enumerate_from when constructing stmt_vec_infos,
14153	instead of additionally calling get_loop_body.
14154
141552018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14156
14157	* tree-vectorizer.h (vect_create_data_ref_ptr): Remove inv_p
14158	parameter.
14159	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
14160	When creating an iv, assert that the step is not known to be zero.
14161	(vect_setup_realignment): Update call accordingly.
14162	* tree-vect-stmts.c (vectorizable_store): Likewise.
14163	(vectorizable_load): Likewise.  Handle VMAT_INVARIANT separately.
14164
141652018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14166
14167	* tree-vectorizer.h (vect_stmt_to_vectorize): New function.
14168	* tree-vect-loop.c (vect_update_vf_for_slp): Use it.
14169	(vectorizable_reduction): Likewise.
14170	* tree-vect-slp.c (vect_analyze_slp_instance): Likewise.
14171	(vect_detect_hybrid_slp_stmts): Likewise.
14172	* tree-vect-stmts.c (vect_is_simple_use): Likewise.
14173
141742018-08-01  Aldy Hernandez  <aldyh@redhat.com>
14175
14176	* tree-vrp (zero_nonzero_bits_from_bounds): Rename to...
14177	(wide_int_set_zero_nonzero_bits): ...this.
14178	(zero_nonzero_bits_from_vr): Rename to...
14179	(vrp_set_zero_nonzero_bits): ...this.
14180	(extract_range_from_multiplicative_op_1): Abstract wide int
14181	code...
14182	(wide_int_range_multiplicative_op): ...here.
14183	(extract_range_from_binary_expr_1): Extract wide int binary
14184	operations into their own functions.
14185	(wide_int_range_lshift): New.
14186	(wide_int_range_can_optimize_bit_op): New.
14187	(wide_int_range_shift_undefined_p): New.
14188	(wide_int_range_bit_xor): New.
14189	(wide_int_range_bit_ior): New.
14190	(wide_int_range_bit_and): New.
14191	(wide_int_range_trunc_mod): New.
14192	(extract_range_into_wide_ints): New.
14193	(vrp_shift_undefined_p): New.
14194	(extract_range_from_multiplicative_op): New.
14195	(vrp_can_optimize_bit_op): New.
14196	* tree-vrp.h (value_range::dump): New.
14197	(wide_int_range_multiplicative_op): New.
14198	(wide_int_range_lshift):New.
14199	(wide_int_range_shift_undefined_p): New.
14200	(wide_int_range_bit_xor): New.
14201	(wide_int_range_bit_ior): New.
14202	(wide_int_range_bit_and): New.
14203	(wide_int_range_trunc_mod): New.
14204	(zero_nonzero_bits_from_bounds): Rename to...
14205	(wide_int_set_zero_nonzero_bits): ...this.
14206	(zero_nonzero_bits_from_vr): Rename to...
14207	(vrp_set_zero_nonzero_bits): ...this.
14208	(range_easy_mask_min_max): Rename to...
14209	(wide_int_range_can_optimize_bit_op): this.
14210	* vr-values.c (simplify_bit_ops_using_ranges): Rename
14211	zero_nonzero_bits_from_vr into vrp_set_zero_nonzero_bits.
14212
142132018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14214
14215	* tree-vectorizer.h (vect_orig_stmt): New function.
14216	* tree-vect-data-refs.c (vect_preserves_scalar_order_p): Use it.
14217	* tree-vect-loop.c (vect_model_reduction_cost): Likewise.
14218	(vect_create_epilog_for_reduction): Likewise.
14219	(vectorizable_live_operation): Likewise.
14220	* tree-vect-slp.c (vect_find_last_scalar_stmt_in_slp): Likewise.
14221	(vect_detect_hybrid_slp_stmts, vect_schedule_slp): Likewise.
14222	* tree-vect-stmts.c (vectorizable_call): Likewise.
14223	(vectorizable_simd_clone_call, vect_remove_stores): Likewise.
14224
142252018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14226
14227	* tree-vectorizer.h (vect_transform_stmt): Remove grouped_store
14228	argument.
14229	* tree-vect-stmts.c (vect_transform_stmt): Likewise.
14230	* tree-vect-loop.c (vect_transform_loop_stmt): Update call accordingly.
14231	(vect_transform_loop): Likewise.
14232	* tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
14233
142342018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14235
14236	* tree-vectorizer.h (vect_schedule_slp): Return void.
14237	* tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
14238	(vect_schedule_slp): Likewise.
14239
142402018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14241
14242	* tree-vect-loop.c (vect_transform_loop_stmt): Remove slp_scheduled
14243	argument.
14244	(vect_transform_loop): Update calls accordingly.  Schedule SLP
14245	instances before the main loop, if any exist.
14246
142472018-08-01  Richard Sandiford  <richard.sandiford@arm.com>
14248
14249	PR tree-optimization/86749
14250	* tree-vect-patterns.c (vect_determine_min_output_precision_1):
14251	If the lhs is used in a COND_EXPR, check that it is being used
14252	as the "then" or "else" value.
14253
142542018-08-01  Tom de Vries  <tdevries@suse.de>
14255
14256	PR target/86800
14257	* config/nvptx/nvptx.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to
14258	speculation_safe_value_not_needed.
14259
142602018-08-01  Richard Biener  <rguenther@suse.de>
14261
14262	* tree-ssa-sccvn.c (visit_phi): Compare invariant addresses
14263	as base and offset.
14264
142652018-08-01  Martin Liska  <mliska@suse.cz>
14266
14267	* value-prof.c (gimple_divmod_fixed_value_transform): Unify
14268	format how successful transformation is dumped.
14269	(gimple_mod_pow2_value_transform): Likewise.
14270	(gimple_mod_subtract_transform): Likewise.
14271	(gimple_stringops_transform): Likewise.
14272
142732018-08-01  Martin Liska  <mliska@suse.cz>
14274
14275	PR value-prof/35543
14276	* value-prof.c (interesting_stringop_to_profile_p):
14277	Simplify the code and add BUILT_IN_MEMMOVE.
14278	(gimple_stringops_transform): Likewise.
14279
142802018-08-01  Sam Tebbs  <sam.tebbs@arm.com>
14281
14282	* config/aarch64/aarch64-simd.md
14283	(*aarch64_get_lane_zero_extendsi<mode>): Rename to...
14284	(*aarch64_get_lane_zero_extend<GPI:mode><VDQQH:mode>): ... This and
14285	use GPI iterator instead of SI mode.
14286
142872018-08-01  Richard Earnshaw  <rearnsha@arm.com>
14288
14289	* config/rs6000/rs6000.md (speculation_barrier): Renamed from
14290	rs6000_speculation_barrier.
14291	* config/rs6000/rs6000.c (rs6000_expand_builtin): Adjust for
14292	new barrier pattern name.
14293
142942018-08-01  Richard Earnshaw  <rearnsha@arm.com>
14295
14296	* config/i386/i386.md (unspecv): Add UNSPECV_SPECULATION_BARRIER.
14297	(speculation_barrier): New insn.
14298
142992018-08-01  Richard Biener  <rguenther@suse.de>
14300
14301	PR bootstrap/86724
14302	* graphite.h: Include isl/id.h and isl/space.h to allow build
14303	with ISL 0.20.
14304
143052018-08-01  Jan Willem Jagersma  <jwjagersma@gmail.com>
14306
14307	PR target/86651
14308	* dwarf2out.c (dwarf2out_early_finish): Do not generate assembly in LTO
14309	mode for COFF targets.
14310	* defaults.h (TARGET_COFF): Define.
14311	* config/i386/djgpp.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END,
14312	TARGET_COFF): Define.
14313	(i386_djgpp_asm_lto_start, i386_djgpp_asm_lto_end): Declare.
14314	* config/i386/djgpp.c (saved_debug_info_level): New static variable.
14315	(i386_djgpp_asm_lto_start, i386_djgpp_asm_lto_end): New functions.
14316
143172018-07-31  Alexandre Oliva  <oliva@adacore.com>
14318
14319	* gimple-streamer-in.c (input_bb): Restore BB discriminator.
14320	* gimple-streamer-out.c (output_bb): Save it.
14321	* lto-streamer-in.c (input_struct_function_base): Restore
14322	instance discriminator if available.  Create map on demand.
14323	* lto-streamer-out.c (output_struct_function_base): Save it if
14324	available.
14325	* final.c (decl_to_instance_map): Document LTO strategy.
14326
143272018-07-31  Alexandre Oliva  <oliva@adacore.com>
14328	    Olivier Hainque  <hainque@adacore.com>
14329
14330	* debug.h (decl_to_instance_map_t): New type.
14331	(decl_to_instance_map): Declare.
14332	(maybe_create_decl_to_instance_map): New inline function.
14333	* final.c (bb_discriminator, last_bb_discriminator): New statics,
14334	to track basic block discriminators.
14335	(final_start_function_1): Initialize them.
14336	(final_scan_insn_1): On NOTE_INSN_BASIC_BLOCK, track
14337	bb_discriminator.
14338	(decl_to_instance_map): New variable.
14339	(map_decl_to_instance, maybe_set_discriminator): New functions.
14340	(notice_source_line): Set discriminator.
14341
143422018-07-31  Ian Lance Taylor  <iant@golang.org>
14343
14344	* targhooks.c (default_have_speculation_safe_value): Add
14345	ATTRIBUTE_UNUSED.
14346
143472018-07-31  David Malcolm  <dmalcolm@redhat.com>
14348
14349	* dump-context.h: Include "pretty-print.h".
14350	(dump_context::refresh_dumps_are_enabled): New decl.
14351	(dump_context::emit_item): New decl.
14352	(class dump_context): Add fields "m_test_pp" and
14353	"m_test_pp_flags".
14354	(temp_dump_context::temp_dump_context): Add param "test_pp_flags".
14355	(temp_dump_context::get_dumped_text): New decl.
14356	(class temp_dump_context): Add field "m_pp".
14357	* dumpfile.c (refresh_dumps_are_enabled): Convert to...
14358	(dump_context::refresh_dumps_are_enabled): ...and add a test for
14359	m_test_pp.
14360	(set_dump_file): Update for above change.
14361	(set_alt_dump_file): Likewise.
14362	(dump_loc): New overload, taking a pretty_printer *.
14363	(dump_context::dump_loc): Call end_any_optinfo.  Dump the location
14364	to any test pretty-printer.
14365	(make_item_for_dump_gimple_stmt): New function, adapted from
14366	optinfo::add_gimple_stmt.
14367	(dump_context::dump_gimple_stmt): Call it, and use the result,
14368	eliminating the direct usage of dump_file and alt_dump_file in
14369	favor of indirectly using them via emit_item.
14370	(make_item_for_dump_gimple_expr): New function, adapted from
14371	optinfo::add_gimple_expr.
14372	(dump_context::dump_gimple_expr): Call it, and use the result,
14373	eliminating the direct usage of dump_file and alt_dump_file in
14374	favor of indirectly using them via emit_item.
14375	(make_item_for_dump_generic_expr): New function, adapted from
14376	optinfo::add_tree.
14377	(dump_context::dump_generic_expr): Call it, and use the result,
14378	eliminating the direct usage of dump_file and alt_dump_file in
14379	favor of indirectly using them via emit_item.
14380	(make_item_for_dump_printf_va): New function, adapted from
14381	optinfo::add_printf_va.
14382	(make_item_for_dump_printf): New function.
14383	(dump_context::dump_printf_va): Call make_item_for_dump_printf_va,
14384	and use the result, eliminating the direct usage of dump_file and
14385	alt_dump_file in favor of indirectly using them via emit_item.
14386	(make_item_for_dump_dec): New function.
14387	(dump_context::dump_dec): Call it, and use the result,
14388	eliminating the direct usage of dump_file and alt_dump_file in
14389	favor of indirectly using them via emit_item.
14390	(make_item_for_dump_symtab_node): New function, adapted from
14391	optinfo::add_symtab_node.
14392	(dump_context::dump_symtab_node): Call it, and use the result,
14393	eliminating the direct usage of dump_file and alt_dump_file in
14394	favor of indirectly using them via emit_item.
14395	(dump_context::begin_scope): Reimplement, avoiding direct usage
14396	of dump_file and alt_dump_file in favor of indirectly using them
14397	via emit_item.
14398	(dump_context::emit_item): New member function.
14399	(temp_dump_context::temp_dump_context): Add param "test_pp_flags".
14400	Set up test pretty-printer on the underlying context.  Call
14401	refresh_dumps_are_enabled.
14402	(temp_dump_context::~temp_dump_context): Call
14403	refresh_dumps_are_enabled.
14404	(temp_dump_context::get_dumped_text): New member function.
14405	(selftest::verify_dumped_text): New function.
14406	(ASSERT_DUMPED_TEXT_EQ): New macro.
14407	(selftest::test_capture_of_dump_calls): Run all tests twice, with
14408	and then without optinfo enabled.  Add uses of
14409	ASSERT_DUMPED_TEXT_EQ to all tests.  Add test of nested scopes.
14410	* dumpfile.h: Update comment for the dump_* API.
14411	* optinfo-emit-json.cc
14412	(selftest::test_building_json_from_dump_calls): Update for new
14413	param for temp_dump_context ctor.
14414	* optinfo.cc (optinfo_item::optinfo_item): Remove "owned" param
14415	and "m_owned" field.
14416	(optinfo_item::~optinfo_item): Likewise.
14417	(optinfo::add_item): New member function.
14418	(optinfo::emit): Update comment.
14419	(optinfo::add_string): Delete.
14420	(optinfo::add_printf): Delete.
14421	(optinfo::add_printf_va): Delete.
14422	(optinfo::add_gimple_stmt): Delete.
14423	(optinfo::add_gimple_expr): Delete.
14424	(optinfo::add_tree): Delete.
14425	(optinfo::add_symtab_node): Delete.
14426	(optinfo::add_dec): Delete.
14427	* optinfo.h (class dump_context): New forward decl.
14428	(optinfo::add_item): New decl.
14429	(optinfo::add_string): Delete.
14430	(optinfo::add_printf): Delete.
14431	(optinfo::add_printf_va): Delete.
14432	(optinfo::add_gimple_stmt): Delete.
14433	(optinfo::add_gimple_expr): Delete.
14434	(optinfo::add_tree): Delete.
14435	(optinfo::add_symtab_node): Delete.
14436	(optinfo::add_dec): Delete.
14437	(optinfo::add_poly_int): Delete.
14438	(optinfo_item::optinfo_item): Remove "owned" param.
14439	(class optinfo_item): Remove field "m_owned".
14440
144412018-07-31  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
14442
14443	PR middle-end/86705
14444	* gcc/cfgexpand.c (set_parm_rtl): Use the alignment of Pmode when
14445	MAX_SUPPORTED_STACK_ALIGNMENT would otherwise be exceeded by the
14446	requested variable alignment.
14447	(expand_one_ssa_partition): Likewise.
14448	(expand_one_var): Likewise.
14449
144502018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14451
14452	* config/pdp11/pdp11.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine
14453	to speculation_safe_value_not_needed.
14454
144552018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14456
14457	* targhooks.h (speculation_safe_value_not_needed): New prototype.
14458	* targhooks.c (speculation_safe_value_not_needed): New function.
14459	* target.def (have_speculation_safe_value): Update documentation.
14460	* doc/tm.texi: Regenerated.
14461
144622018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14463
14464	* config/aarch64/iterators.md (ALLI_TI): New iterator.
14465	* config/aarch64/aarch64.md (despeculate_copy<ALLI_TI:mode>): New
14466	expand.
14467	(despeculate_copy<ALLI:mode>_insn): New insn.
14468	(despeculate_copyti_insn): New insn.
14469	(despeculate_simple<ALLI:mode>): New insn
14470	(despeculate_simpleti): New insn.
14471	* config/aarch64/aarch64.c (aarch64_speculation_safe_value): New
14472	function.
14473	(TARGET_SPECULATION_SAFE_VALUE): Redefine to
14474	aarch64_speculation_safe_value.
14475	(aarch64_print_operand): Handle const0_rtx in modifier 'H'.
14476
144772018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14478
14479	* config/aarch64/aarch64-speculation.cc: New file.
14480	* config/aarch64/aarch64-passes.def (pass_track_speculation): Add
14481	before pass_reorder_blocks.
14482	* config/aarch64/aarch64-protos.h (make_pass_track_speculation): Add
14483	prototype.
14484	* config/aarch64/aarch64.c (aarch64_conditional_register_usage): Fix
14485	X14 and X15 when tracking speculation.
14486	* config/aarch64/aarch64.md (register name constants): Add
14487	SPECULATION_TRACKER_REGNUM and SPECULATION_SCRATCH_REGNUM.
14488	(unspec): Add UNSPEC_SPECULATION_TRACKER.
14489	(speculation_barrier): New insn attribute.
14490	(cmp<mode>): Allow SP in comparisons.
14491	(speculation_tracker): New insn.
14492	(speculation_barrier): Add speculation_barrier attribute.
14493	* config/aarch64/t-aarch64: Add make rule for aarch64-speculation.o.
14494	* config.gcc (aarch64*-*-*): Add aarch64-speculation.o to extra_objs.
14495	* doc/invoke.texi (AArch64 Options): Document -mtrack-speculation.
14496
144972018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14498
14499	* config/aarch64/aarch64.md (cb<optab><mode>1): Disable when
14500	aarch64_track_speculation is true.
14501	(tb<optab><mode>1): Likewise.
14502	* config/aarch64/aarch64.c (aarch64_split_compare_regs): Do not
14503	generate CB[N]Z when tracking speculation.
14504	(aarch64_split_compare_and_swap): Likewise.
14505	(aarch64_split_atomic_op): Likewise.
14506
145072018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14508
14509	* config/aarch64/aarch64.opt (mtrack-speculation): New target option.
14510
145112018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14512
14513	* config/aarch64.md (unspecv): Add UNSPECV_SPECULAION_BARRIER.
14514	(speculation_barrier): New insn.
14515
145162018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14517
14518	* config/arm/unspecs.md (unspecv): Add VUNSPEC_SPECULATION_BARRIER.
14519	* config/arm/arm.md (speculation_barrier): New expand.
14520	(speculation_barrier_insn): New pattern.
14521
145222018-07-31  Richard Earnshaw  <rearnsha@arm.com>
14523
14524	* builtin-types.def (BT_FN_PTR_PTR_VAR): New function type.
14525	(BT_FN_I1_I1_VAR, BT_FN_I2_I2_VAR, BT_FN_I4_I4_VAR): Likewise.
14526	(BT_FN_I8_I8_VAR, BT_FN_I16_I16_VAR): Likewise.
14527	* builtin-attrs.def (ATTR_NOVOPS_NOTHROW_LEAF_LIST): New attribute
14528	list.
14529	* builtins.def (BUILT_IN_SPECULATION_SAFE_VALUE_N): New builtin.
14530	(BUILT_IN_SPECULATION_SAFE_VALUE_PTR): New internal builtin.
14531	(BUILT_IN_SPECULATION_SAFE_VALUE_1): Likewise.
14532	(BUILT_IN_SPECULATION_SAFE_VALUE_2): Likewise.
14533	(BUILT_IN_SPECULATION_SAFE_VALUE_4): Likewise.
14534	(BUILT_IN_SPECULATION_SAFE_VALUE_8): Likewise.
14535	(BUILT_IN_SPECULATION_SAFE_VALUE_16): Likewise.
14536	* builtins.c (expand_speculation_safe_value): New function.
14537	(expand_builtin): Call it.
14538	* doc/cpp.texi: Document predefine __HAVE_SPECULATION_SAFE_VALUE.
14539	* doc/extend.texi: Document __builtin_speculation_safe_value.
14540	* doc/md.texi: Document "speculation_barrier" pattern.
14541	* doc/tm.texi.in: Pull in TARGET_SPECULATION_SAFE_VALUE and
14542	TARGET_HAVE_SPECULATION_SAFE_VALUE.
14543	* doc/tm.texi: Regenerated.
14544	* target.def (have_speculation_safe_value, speculation_safe_value): New
14545	hooks.
14546	* targhooks.c (default_have_speculation_safe_value): New function.
14547	(default_speculation_safe_value): New function.
14548	* targhooks.h (default_have_speculation_safe_value): Add prototype.
14549	(default_speculation_safe_value): Add prototype.
14550
145512018-07-31  David Malcolm  <dmalcolm@redhat.com>
14552
14553	* dump-context.h (dump_context::dump_loc): New decl.
14554	* dumpfile.c (dump_context::dump_loc): New member function.
14555	(dump_context::dump_gimple_stmt_loc): Reimplement using dump_loc
14556	and dump_gimple_stmt.
14557	(dump_context::dump_gimple_expr_loc): Likewise, using
14558	dump_gimple_expr.
14559	(dump_context::dump_generic_expr_loc): Likewise, using
14560	dump_generic_expr.
14561	(dump_context::dump_printf_loc_va): Likewise, using
14562	dump_printf_va.
14563	(dump_context::begin_scope): Explicitly using the global function
14564	"dump_loc", rather than the member function.
14565
145662018-07-31  Martin Sebor  <msebor@redhat.com>
14567
14568	PR tree-optimization/86741
14569	* tree-vrp.c (vrp_prop::check_mem_ref): Avoid incomplete types.
14570
145712018-07-31  Andreas Krebbel  <krebbel@linux.ibm.com>
14572
14573	* config/s390/s390.c (s390_expand_setmem): Make the unrolling to
14574	depend on whether prefetch instructions will be emitted or not.
14575	Use TARGET_SETMEM_PFD for checking whether prefetch instructions
14576	will be emitted or not.
14577	* config/s390/s390.h (TARGET_SETMEM_PREFETCH_DISTANCE)
14578	(TARGET_SETMEM_PFD): New macros.
14579
145802018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14581
14582	* tree-vectorizer.h (stmt_vec_info): Turn back into a typedef.
14583	(NULL_STMT_VEC_INFO): Delete.
14584	(stmt_vec_info::operator*): Likewise.
14585	(stmt_vec_info::operator gimple *): Likewise.
14586	* tree-vect-loop.c (vectorizable_reduction): Use NULL instead
14587	of NULL_STMT_VEC_INFO.
14588	* tree-vect-patterns.c (vect_init_pattern_stmt): Likewise.
14589	(vect_reassociating_reduction_p): Likewise.
14590	* tree-vect-stmts.c (vect_build_gather_load_calls): Likewise.
14591	(vectorizable_store): Likewise.
14592	* tree-vectorizer.c (vec_info::set_vinfo_for_stmt): Likewise.
14593	(vec_info::free_stmt_vec_infos): Likewise.
14594
145952018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14596
14597	* tree-vectorizer.h (vect_stmt_in_region_p): Delete.
14598	* tree-vectorizer.c (vect_stmt_in_region_p): Likewise.
14599
146002018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14601
14602	* tree-vectorizer.h (vec_info::new_vinfo_for_stmt)
14603	(vec_info::set_vinfo_for_stmt, vec_info::free_stmt_vec_infos)
14604	(vec_info::free_stmt_vec_info): New private member functions.
14605	(set_stmt_vec_info_vec, free_stmt_vec_infos, vinfo_for_stmt)
14606	(set_vinfo_for_stmt, new_stmt_vec_info, free_stmt_vec_info): Delete.
14607	* tree-parloops.c (gather_scalar_reductions): Remove calls to
14608	set_stmt_vec_info_vec and free_stmt_vec_infos.
14609	* tree-vect-loop.c (_loop_vec_info): Remove call to
14610	set_stmt_vec_info_vec.
14611	* tree-vect-stmts.c (new_stmt_vec_info, set_stmt_vec_info_vec)
14612	(free_stmt_vec_infos, free_stmt_vec_info): Delete in favor of...
14613	* tree-vectorizer.c (vec_info::new_stmt_vec_info)
14614	(vec_info::set_vinfo_for_stmt, vec_info::free_stmt_vec_infos)
14615	(vec_info::free_stmt_vec_info): ...these new functions.  Remove
14616	assignments in {vec_info::,}new_stmt_vec_info that are redundant
14617	with the clearing in the xcalloc.
14618	(stmt_vec_info_vec): Delete.
14619	(vec_info::vec_info): Don't call set_stmt_vec_info_vec.
14620	(vectorize_loops): Likewise.
14621	(vec_info::~vec_info): Remove argument from call to
14622	free_stmt_vec_infos.
14623	(vec_info::add_stmt): Remove vinfo argument from call to
14624	new_stmt_vec_info.
14625
146262018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14627
14628	* tree-vectorizer.h (free_stmt_vec_info): Take a stmt_vec_info
14629	rather than a gimple stmt.
14630	* tree-vect-stmts.c (free_stmt_vec_info): Likewise.  Don't free
14631	information for pattern statements when passed the original
14632	statement; instead wait to be passed the pattern statement itself.
14633	Don't call set_vinfo_for_stmt here.
14634	(free_stmt_vec_infos): Update call to free_stmt_vec_info.
14635	* tree-vect-loop.c (_loop_vec_info::~loop_vec_info): Don't free
14636	stmt_vec_infos here.
14637	* tree-vect-slp.c (_bb_vec_info::~bb_vec_info): Likewise.
14638	* tree-vectorizer.c (vec_info::remove_stmt): Nullify the statement's
14639	stmt_vec_infos entry.
14640
146412018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14642
14643	* tree-vectorizer.h (vec_info::replace_stmt): Declare.
14644	* tree-vectorizer.c (vec_info::replace_stmt): New function.
14645	* tree-vect-slp.c (vect_remove_slp_scalar_calls): Use it.
14646	* tree-vect-stmts.c (vectorizable_call): Likewise.
14647	(vectorizable_simd_clone_call): Likewise.
14648
146492018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14650
14651	* tree-vectorizer.h (vec_info::remove_stmt): Declare.
14652	* tree-vectorizer.c (vec_info::remove_stmt): New function.
14653	* tree-vect-loop-manip.c (vect_set_loop_condition): Use it.
14654	* tree-vect-loop.c (vect_transform_loop): Likewise.
14655	* tree-vect-slp.c (vect_schedule_slp): Likewise.
14656	* tree-vect-stmts.c (vect_remove_stores): Likewise.
14657
146582018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14659
14660	* tree-vectorizer.h (vec_info::lookup_dr): New member function.
14661	(vect_dr_stmt): Delete.
14662	* tree-vectorizer.c (vec_info::lookup_dr): New function.
14663	* tree-vect-loop-manip.c (vect_update_inits_of_drs): Use it instead
14664	of DR_VECT_AUX.
14665	* tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr)
14666	(vect_analyze_data_ref_dependence, vect_record_base_alignments)
14667	(vect_verify_datarefs_alignment, vect_peeling_supportable)
14668	(vect_analyze_data_ref_accesses, vect_prune_runtime_alias_test_list)
14669	(vect_analyze_data_refs): Likewise.
14670	(vect_slp_analyze_data_ref_dependence): Likewise.  Take a vec_info
14671	argument.
14672	(vect_find_same_alignment_drs): Likewise.
14673	(vect_slp_analyze_node_dependences): Update calls accordingly.
14674	(vect_analyze_data_refs_alignment): Likewise.  Use vec_info::lookup_dr
14675	instead of DR_VECT_AUX.
14676	(vect_get_peeling_costs_all_drs): Take a loop_vec_info instead
14677	of a vector data references.  Use vec_info::lookup_dr instead of
14678	DR_VECT_AUX.
14679	(vect_peeling_hash_get_lowest_cost): Update calls accordingly.
14680	(vect_enhance_data_refs_alignment): Likewise.  Use vec_info::lookup_dr
14681	instead of DR_VECT_AUX.
14682
146832018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14684
14685	* tree-vectorizer.h (_loop_vec_info::unaligned_dr): Change to
14686	dr_vec_info.
14687	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Update
14688	accordingly.
14689	* tree-vect-loop.c (vect_analyze_loop_2): Likewise.
14690	* tree-vect-loop-manip.c (get_misalign_in_elems): Likewise.
14691	(vect_gen_prolog_loop_niters): Likewise.
14692
146932018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14694
14695	* tree-vectorizer.h (set_dr_misalignment, dr_misalignment)
14696	(DR_TARGET_ALIGNMENT, aligned_access_p, known_alignment_for_access_p)
14697	(vect_known_alignment_in_bytes, vect_dr_behavior)
14698	(vect_get_scalar_dr_size): Take references as dr_vec_infos
14699	instead of data_references.  Update calls to other routines for
14700	which the same change has been made.
14701	* tree-vect-data-refs.c (vect_preserves_scalar_order_p): Take
14702	dr_vec_infos instead of stmt_vec_infos.
14703	(vect_analyze_data_ref_dependence): Update call accordingly.
14704	(vect_slp_analyze_data_ref_dependence)
14705	(vect_record_base_alignments): Use DR_VECT_AUX.
14706	(vect_calculate_target_alignment, vect_compute_data_ref_alignment)
14707	(vect_update_misalignment_for_peel, verify_data_ref_alignment)
14708	(vector_alignment_reachable_p, vect_get_data_access_cost)
14709	(vect_peeling_supportable, vect_analyze_group_access_1)
14710	(vect_analyze_group_access, vect_analyze_data_ref_access)
14711	(vect_vfa_segment_size, vect_vfa_access_size, vect_vfa_align)
14712	(vect_compile_time_alias, vect_small_gap_p)
14713	(vectorizable_with_step_bound_p, vect_duplicate_ssa_name_ptr_info):
14714	(vect_supportable_dr_alignment): Take references as dr_vec_infos
14715	instead of data_references.  Update calls to other routines for
14716	which the same change has been made.
14717	(vect_verify_datarefs_alignment, vect_get_peeling_costs_all_drs)
14718	(vect_find_same_alignment_drs, vect_analyze_data_refs_alignment)
14719	(vect_slp_analyze_and_verify_node_alignment)
14720	(vect_analyze_data_ref_accesses, vect_prune_runtime_alias_test_list)
14721	(vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr)
14722	(vect_setup_realignment): Use dr_vec_infos.  Update calls after
14723	above changes.
14724	(_vect_peel_info::dr): Replace with...
14725	(_vect_peel_info::dr_info): ...this new field.
14726	(vect_peeling_hash_get_most_frequent)
14727	(vect_peeling_hash_choose_best_peeling): Update accordingly.
14728	(vect_peeling_hash_get_lowest_cost):
14729	(vect_enhance_data_refs_alignment): Likewise.  Update calls to other
14730	routines for which the same change has been made.
14731	(vect_peeling_hash_insert): Likewise.  Take a dr_vec_info instead of a
14732	data_reference.
14733	* tree-vect-loop-manip.c (get_misalign_in_elems)
14734	(vect_gen_prolog_loop_niters): Use dr_vec_infos.  Update calls after
14735	above changes.
14736	* tree-vect-loop.c (vect_analyze_loop_2): Likewise.
14737	* tree-vect-stmts.c (vect_get_store_cost, vect_get_load_cost)
14738	(vect_truncate_gather_scatter_offset, compare_step_with_zero)
14739	(get_group_load_store_type, get_negative_load_store_type)
14740	(vect_get_data_ptr_increment, vectorizable_store)
14741	(vectorizable_load): Likewise.
14742	(ensure_base_align): Take a dr_vec_info instead of a data_reference.
14743	Update calls to other routines for which the same change has been made.
14744
147452018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14746
14747	* tree-vectorizer.h (vec_info::move_dr): New member function.
14748	(dataref_aux): Rename to...
14749	(dr_vec_info): ...this and add "dr" and "stmt" fields.
14750	(_stmt_vec_info::dr_aux): Update accordingly.
14751	(_stmt_vec_info::data_ref_info): Delete.
14752	(STMT_VINFO_GROUPED_ACCESS, DR_GROUP_FIRST_ELEMENT)
14753	(DR_GROUP_NEXT_ELEMENT, DR_GROUP_SIZE, DR_GROUP_STORE_COUNT)
14754	(DR_GROUP_GAP, DR_GROUP_SAME_DR_STMT, REDUC_GROUP_FIRST_ELEMENT):
14755	(REDUC_GROUP_NEXT_ELEMENT, REDUC_GROUP_SIZE): Use dr_aux.dr instead
14756	of data_ref.
14757	(STMT_VINFO_DATA_REF): Likewise.  Turn into an lvalue.
14758	(STMT_VINFO_DR_INFO): New macro.
14759	(DR_VECT_AUX): Use STMT_VINFO_DR_INKFO and vect_dr_stmt.
14760	(set_dr_misalignment): Update after rename of dataref_aux.
14761	(vect_dr_stmt): Move earlier in file.  Return dr_aux.stmt.
14762	* tree-vect-stmts.c (new_stmt_vec_info): Remove redundant
14763	initialization of STMT_VINFO_DATA_REF.
14764	* tree-vectorizer.c (vec_info::move_dr): New function.
14765	* tree-vect-patterns.c (vect_recog_bool_pattern)
14766	(vect_recog_mask_conversion_pattern)
14767	(vect_recog_gather_scatter_pattern): Use it.
14768	* tree-vect-data-refs.c (vect_analyze_data_refs): Initialize
14769	the "dr" and "stmt" fields of dr_vec_info instead of
14770	STMT_VINFO_DATA_REF.
14771
147722018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14773
14774	* tree-vectorizer.h (_stmt_vec_info::pattern_stmt_p): New field.
14775	(is_pattern_stmt_p): Use it.
14776	* tree-vect-patterns.c (vect_init_pattern_stmt): Set pattern_stmt_p
14777	on pattern statements.
14778
147792018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14780
14781	* tree-vect-patterns.c (vect_mark_pattern_stmts): Take the
14782	original stmt as a stmt_vec_info rather than a gimple stmt.
14783	(vect_pattern_recog_1): Take the statement directly as a
14784	stmt_vec_info, rather than via a gimple_stmt_iterator.
14785	Update call to vect_mark_pattern_stmts.
14786	(vect_pattern_recog): Update calls accordingly.
14787
147882018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14789
14790	* tree-vectorizer.h (vect_get_vec_defs_for_stmt_copy)
14791	(vect_get_vec_def_for_stmt_copy): Take a vec_info rather than
14792	a vect_def_type for the first argument.
14793	* tree-vect-stmts.c (vect_get_vec_defs_for_stmt_copy): Likewise.
14794	(vect_get_vec_def_for_stmt_copy): Likewise.  Return the original
14795	operand if it isn't defined by a vectorized statement.
14796	(vect_build_gather_load_calls): Remove the mask_dt argument and
14797	update calls to vect_get_vec_def_for_stmt_copy.
14798	(vectorizable_bswap): Likewise the dt argument.
14799	(vectorizable_call): Update calls to vectorizable_bswap and
14800	vect_get_vec_def_for_stmt_copy.
14801	(vectorizable_simd_clone_call, vectorizable_assignment)
14802	(vectorizable_shift, vectorizable_operation, vectorizable_condition)
14803	(vectorizable_comparison): Update calls to
14804	vect_get_vec_def_for_stmt_copy.
14805	(vectorizable_store): Likewise.  Remove now-unnecessary calls to
14806	vect_is_simple_use.
14807	(vect_get_loop_based_defs): Remove dt argument and update call
14808	to vect_get_vec_def_for_stmt_copy.
14809	(vectorizable_conversion): Update calls to vect_get_loop_based_defs
14810	and vect_get_vec_def_for_stmt_copy.
14811	(vectorizable_load): Update calls to vect_build_gather_load_calls
14812	and vect_get_vec_def_for_stmt_copy.
14813	* tree-vect-loop.c (vect_create_epilog_for_reduction)
14814	(vectorizable_reduction, vectorizable_live_operation): Update calls
14815	to vect_get_vec_def_for_stmt_copy.
14816
148172018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14818
14819	* tree-vect-data-refs.c (vect_record_base_alignment): Replace vec_info
14820	and gimple stmt arguments with a stmt_vec_info.
14821	(vect_record_base_alignments): Update calls accordingly.
14822	* tree-vect-slp.c (vect_record_max_nunits): Replace vec_info
14823	and gimple stmt arguments with a stmt_vec_info.
14824	(vect_build_slp_tree_1): Remove vinfo argument and update call
14825	to vect_record_max_nunits.
14826	(vect_build_slp_tree_2): Update calls to vect_build_slp_tree_1
14827	and vect_record_max_nunits.
14828
148292018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14830
14831	* tree-vectorizer.h (nested_in_vect_loop_p): Move further down
14832	file and take a stmt_vec_info instead of a gimple stmt.
14833	(supportable_widening_operation, vect_finish_replace_stmt)
14834	(vect_finish_stmt_generation, vect_get_store_rhs)
14835	(vect_get_vec_def_for_operand_1, vect_get_vec_def_for_operand)
14836	(vect_get_vec_defs, vect_init_vector, vect_transform_stmt)
14837	(vect_remove_stores, vect_analyze_stmt, vectorizable_condition)
14838	(vect_get_smallest_scalar_type, vect_check_gather_scatter)
14839	(vect_create_data_ref_ptr, bump_vector_ptr)
14840	(vect_permute_store_chain, vect_setup_realignment)
14841	(vect_transform_grouped_load, vect_record_grouped_load_vectors)
14842	(vect_create_addr_base_for_vector_ref, vectorizable_live_operation)
14843	(vectorizable_reduction, vectorizable_induction)
14844	(get_initial_def_for_reduction, is_simple_and_all_uses_invariant)
14845	(vect_get_place_in_interleaving_chain): Take stmt_vec_infos rather
14846	than gimple stmts as arguments.
14847	* tree-vect-data-refs.c (vect_get_smallest_scalar_type)
14848	(vect_preserves_scalar_order_p, vect_slp_analyze_node_dependences)
14849	(can_group_stmts_p, vect_check_gather_scatter)
14850	(vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr)
14851	(bump_vector_ptr, vect_permute_store_chain, vect_setup_realignment)
14852	(vect_permute_load_chain, vect_shift_permute_load_chain)
14853	(vect_transform_grouped_load)
14854	(vect_record_grouped_load_vectors): Likewise.
14855	* tree-vect-loop.c (vect_fixup_reduc_chain)
14856	(get_initial_def_for_reduction, vect_create_epilog_for_reduction)
14857	(vectorize_fold_left_reduction, is_nonwrapping_integer_induction)
14858	(vectorizable_reduction, vectorizable_induction)
14859	(vectorizable_live_operation, vect_loop_kill_debug_uses): Likewise.
14860	* tree-vect-patterns.c (type_conversion_p, adjust_bool_stmts)
14861	(vect_get_load_store_mask): Likewise.
14862	* tree-vect-slp.c (vect_get_place_in_interleaving_chain)
14863	(vect_analyze_slp_instance, vect_mask_constant_operand_p): Likewise.
14864	* tree-vect-stmts.c (vect_mark_relevant)
14865	(is_simple_and_all_uses_invariant)
14866	(exist_non_indexing_operands_for_use_p, process_use)
14867	(vect_init_vector_1, vect_init_vector, vect_get_vec_def_for_operand_1)
14868	(vect_get_vec_def_for_operand, vect_get_vec_defs)
14869	(vect_finish_stmt_generation_1, vect_finish_replace_stmt)
14870	(vect_finish_stmt_generation, vect_truncate_gather_scatter_offset)
14871	(compare_step_with_zero, vect_get_store_rhs, get_group_load_store_type)
14872	(get_negative_load_store_type, get_load_store_type)
14873	(vect_check_load_store_mask, vect_check_store_rhs)
14874	(vect_build_gather_load_calls, vect_get_strided_load_store_ops)
14875	(vectorizable_bswap, vectorizable_call, vectorizable_simd_clone_call)
14876	(vect_create_vectorized_demotion_stmts, vectorizable_conversion)
14877	(vectorizable_assignment, vectorizable_shift, vectorizable_operation)
14878	(get_group_alias_ptr_type, vectorizable_store, hoist_defs_of_uses)
14879	(vectorizable_load, vectorizable_condition, vectorizable_comparison)
14880	(vect_analyze_stmt, vect_transform_stmt, vect_remove_stores)
14881	(supportable_widening_operation): Likewise.
14882
148832018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14884
14885	* tree-vect-data-refs.c (vect_describe_gather_scatter_call): Take
14886	a stmt_vec_info instead of a gcall.
14887	(vect_check_gather_scatter): Update call accordingly.
14888	* tree-vect-loop-manip.c (iv_phi_p): Take a stmt_vec_info instead
14889	of a gphi.
14890	(vect_can_advance_ivs_p, vect_update_ivs_after_vectorizer)
14891	(slpeel_update_phi_nodes_for_loops):): Update calls accordingly.
14892	* tree-vect-loop.c (vect_transform_loop_stmt): Take a stmt_vec_info
14893	instead of a gimple stmt.
14894	(vect_transform_loop): Update calls accordingly.
14895	* tree-vect-slp.c (vect_split_slp_store_group): Take and return
14896	stmt_vec_infos instead of gimple stmts.
14897	(vect_analyze_slp_instance): Update use accordingly.
14898	* tree-vect-stmts.c (read_vector_array, write_vector_array)
14899	(vect_clobber_variable, vect_stmt_relevant_p, permute_vec_elements)
14900	(vect_use_strided_gather_scatters_p, vect_build_all_ones_mask)
14901	(vect_build_zero_merge_argument, vect_get_gather_scatter_ops)
14902	(vect_gen_widened_results_half, vect_get_loop_based_defs)
14903	(vect_create_vectorized_promotion_stmts, can_vectorize_live_stmts):
14904	Take a stmt_vec_info instead of a gimple stmt and pass stmt_vec_infos
14905	down to subroutines.
14906
149072018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14908
14909	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Change the type
14910	of the worklist from a vector of gimple stmts to a vector of
14911	stmt_vec_infos.
14912	* tree-vect-stmts.c (vect_mark_relevant, process_use)
14913	(vect_mark_stmts_to_be_vectorized): Likewise
14914
149152018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14916
14917	* tree-vect-loop.c (vect_analyze_loop_operations): Look up the
14918	statement before passing it to vect_analyze_stmt.
14919	(vect_create_epilog_for_reduction): Use a stmt_vec_info to walk
14920	the chain of phi vector definitions.  Track the exit phi via its
14921	stmt_vec_info.
14922	(vectorizable_reduction): Set cond_stmt_vinfo directly from the
14923	STMT_VINFO_REDUC_DEF.
14924	* tree-vect-slp.c (vect_get_place_in_interleaving_chain): Use
14925	stmt_vec_infos to handle the statement chains.
14926	(vect_get_slp_defs): Record the first statement in the node
14927	using a stmt_vec_info.
14928	* tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Look up
14929	statements here and pass their stmt_vec_info down to subroutines.
14930	(vect_init_vector_1): Hoist call to vinfo_for_stmt and pass it
14931	down to vect_finish_stmt_generation.
14932	(vect_init_vector, vect_get_vec_defs, vect_finish_replace_stmt)
14933	(vect_finish_stmt_generation): Call vinfo_for_stmt and pass
14934	stmt_vec_infos to subroutines.
14935	(vect_remove_stores): Use stmt_vec_infos to handle the statement
14936	chains.
14937
149382018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14939
14940	* tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
14941	(vect_check_gather_scatter, vect_create_data_ref_ptr, bump_vector_ptr)
14942	(vect_permute_store_chain, vect_setup_realignment)
14943	(vect_permute_load_chain, vect_shift_permute_load_chain)
14944	(vect_transform_grouped_load): Use stmt_vec_info rather than gimple
14945	stmts internally, and when passing values to other vectorizer routines.
14946	* tree-vect-loop-manip.c (vect_can_advance_ivs_p): Likewise.
14947	* tree-vect-loop.c (vect_analyze_scalar_cycles_1)
14948	(vect_analyze_loop_operations, get_initial_def_for_reduction)
14949	(vect_create_epilog_for_reduction, vectorize_fold_left_reduction)
14950	(vectorizable_reduction, vectorizable_induction)
14951	(vectorizable_live_operation, vect_transform_loop_stmt)
14952	(vect_transform_loop): Likewise.
14953	* tree-vect-patterns.c (vect_reassociating_reduction_p)
14954	(vect_recog_widen_op_pattern, vect_recog_mixed_size_cond_pattern)
14955	(vect_recog_bool_pattern, vect_recog_gather_scatter_pattern): Likewise.
14956	* tree-vect-slp.c (vect_analyze_slp_instance): Likewise.
14957	(vect_slp_analyze_node_operations_1): Likewise.
14958	* tree-vect-stmts.c (vect_mark_relevant, process_use)
14959	(exist_non_indexing_operands_for_use_p, vect_init_vector_1)
14960	(vect_mark_stmts_to_be_vectorized, vect_get_vec_def_for_operand)
14961	(vect_finish_stmt_generation_1, get_group_load_store_type)
14962	(get_load_store_type, vect_build_gather_load_calls)
14963	(vectorizable_bswap, vectorizable_call, vectorizable_simd_clone_call)
14964	(vect_create_vectorized_demotion_stmts, vectorizable_conversion)
14965	(vectorizable_assignment, vectorizable_shift, vectorizable_operation)
14966	(vectorizable_store, vectorizable_load, vectorizable_condition)
14967	(vectorizable_comparison, vect_analyze_stmt, vect_transform_stmt)
14968	(supportable_widening_operation): Likewise.
14969	(vect_get_vector_types_for_stmt): Likewise.
14970	* tree-vectorizer.h (vect_dr_behavior): Likewise.
14971
149722018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14973
14974	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence)
14975	(vect_slp_analyze_node_dependences, vect_analyze_data_ref_accesses)
14976	(vect_permute_store_chain, vect_permute_load_chain)
14977	(vect_shift_permute_load_chain, vect_transform_grouped_load): Avoid
14978	repeated stmt_vec_info lookups.
14979	* tree-vect-loop-manip.c (vect_can_advance_ivs_p): Likewise.
14980	(vect_update_ivs_after_vectorizer): Likewise.
14981	* tree-vect-loop.c (vect_is_simple_reduction): Likewise.
14982	(vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
14983	* tree-vect-patterns.c (adjust_bool_stmts): Likewise.
14984	* tree-vect-slp.c (vect_analyze_slp_instance): Likewise.
14985	(vect_bb_slp_scalar_cost): Likewise.
14986	* tree-vect-stmts.c (get_group_alias_ptr_type): Likewise.
14987
149882018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
14989
14990	* tree-vect-data-refs.c (vect_check_gather_scatter): Pass the
14991	gcall rather than the generic gimple stmt to gimple_call_internal_fn.
14992	(vect_get_smallest_scalar_type, can_group_stmts_p): Use dyn_cast
14993	to get gassigns and gcalls, rather than operating on generc gimple
14994	stmts.
14995	* tree-vect-stmts.c (exist_non_indexing_operands_for_use_p)
14996	(vect_mark_stmts_to_be_vectorized, vectorizable_store)
14997	(vectorizable_load, vect_analyze_stmt): Likewise.
14998	* tree-vect-loop.c (vectorizable_reduction): Likewise gphi.
14999
150002018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15001
15002	* tree-vectorizer.h (get_earlier_stmt, get_later_stmt): Take and
15003	return stmt_vec_infos rather than gimple stmts.  Do not accept
15004	null arguments.
15005	(vect_find_last_scalar_stmt_in_slp): Return a stmt_vec_info instead
15006	of a gimple stmt.
15007	* tree-vect-slp.c (vect_find_last_scalar_stmt_in_slp): Likewise.
15008	Update use of get_later_stmt.
15009	(vect_get_constant_vectors): Update call accordingly.
15010	(vect_schedule_slp_instance): Likewise
15011	* tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Likewise.
15012	(vect_slp_analyze_instance_dependence): Likewise.
15013	(vect_preserves_scalar_order_p): Update use of get_earlier_stmt.
15014
150152018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15016
15017	* tree-vectorizer.h (stmt_info_for_cost::stmt): Replace with...
15018	(stmt_info_for_cost::stmt_info): ...this new field.
15019	(add_stmt_costs): Update accordingly.
15020	* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost)
15021	(vect_get_known_peeling_cost): Likewise.
15022	(vect_estimate_min_profitable_iters): Likewise.
15023	* tree-vect-stmts.c (record_stmt_cost): Likewise.
15024
150252018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15026
15027	* tree-vectorizer.h (_loop_vec_info::may_misalign_stmts): Change
15028	from an auto_vec<gimple *> to an auto_vec<stmt_vec_info>.
15029	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Update
15030	accordingly.
15031	* tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Likewise.
15032
150332018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15034
15035	* tree-vectorizer.h (_stmt_vec_info::same_dr_stmt): Change from
15036	a gimple stmt to a stmt_vec_info.
15037	* tree-vect-stmts.c (vectorizable_load): Update accordingly.
15038
150392018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15040
15041	* tree-vectorizer.h (vec_info::grouped_stores): Change from
15042	an auto_vec<gimple *> to an auto_vec<stmt_vec_info>.
15043	(_loop_vec_info::reduction_chains): Likewise.
15044	* tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Update
15045	accordingly.
15046	* tree-vect-slp.c (vect_analyze_slp): Likewise.
15047
150482018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15049
15050	* tree-vectorizer.h (_stmt_vec_info::first_element): Change from
15051	a gimple stmt to a stmt_vec_info.
15052	(_stmt_vec_info::next_element): Likewise.
15053	* tree-vect-data-refs.c (vect_update_misalignment_for_peel)
15054	(vect_slp_analyze_and_verify_node_alignment)
15055	(vect_analyze_group_access_1, vect_analyze_group_access)
15056	(vect_small_gap_p, vect_prune_runtime_alias_test_list)
15057	(vect_create_data_ref_ptr, vect_record_grouped_load_vectors)
15058	(vect_supportable_dr_alignment): Update accordingly.
15059	* tree-vect-loop.c (vect_fixup_reduc_chain): Likewise.
15060	(vect_fixup_scalar_cycles_with_patterns, vect_is_slp_reduction)
15061	(vect_is_simple_reduction, vectorizable_reduction): Likewise.
15062	* tree-vect-patterns.c (vect_reassociating_reduction_p): Likewise.
15063	* tree-vect-slp.c (vect_build_slp_tree_1)
15064	(vect_attempt_slp_rearrange_stmts, vect_supported_load_permutation_p)
15065	(vect_split_slp_store_group, vect_analyze_slp_instance)
15066	(vect_analyze_slp, vect_transform_slp_perm_load): Likewise.
15067	* tree-vect-stmts.c (vect_model_store_cost, vect_model_load_cost)
15068	(get_group_load_store_type, get_load_store_type)
15069	(get_group_alias_ptr_type, vectorizable_store, vectorizable_load)
15070	(vect_transform_stmt, vect_remove_stores): Likewise.
15071
150722018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15073
15074	* tree-vectorizer.h (vect_dr_stmt): Return a stmt_vec_info rather
15075	than a gimple stmt.
15076	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence)
15077	(vect_slp_analyze_data_ref_dependence, vect_record_base_alignments)
15078	(vect_calculate_target_alignmentm, vect_compute_data_ref_alignment)
15079	(vect_update_misalignment_for_peel, vect_verify_datarefs_alignment)
15080	(vector_alignment_reachable_p, vect_get_data_access_cost)
15081	(vect_get_peeling_costs_all_drs, vect_peeling_hash_get_lowest_cost)
15082	(vect_peeling_supportable, vect_enhance_data_refs_alignment)
15083	(vect_find_same_alignment_drs, vect_analyze_data_refs_alignment)
15084	(vect_analyze_group_access_1, vect_analyze_group_access)
15085	(vect_analyze_data_ref_access, vect_analyze_data_ref_accesses)
15086	(vect_vfa_access_size, vect_small_gap_p, vect_analyze_data_refs)
15087	(vect_supportable_dr_alignment): Remove vinfo_for_stmt from the
15088	result of vect_dr_stmt and use the stmt_vec_info instead of
15089	the associated gimple stmt.
15090	* tree-vect-loop-manip.c (get_misalign_in_elems): Likewise.
15091	(vect_gen_prolog_loop_niters): Likewise.
15092	* tree-vect-loop.c (vect_analyze_loop_2): Likewise.
15093
150942018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15095
15096	* tree-vectorizer.h (_slp_tree::stmts): Change from a vec<gimple *>
15097	to a vec<stmt_vec_info>.
15098	* tree-vect-slp.c (vect_free_slp_tree): Update accordingly.
15099	(vect_create_new_slp_node): Take a vec<gimple *> instead of a
15100	vec<stmt_vec_info>.
15101	(_slp_oprnd_info::def_stmts): Change from a vec<gimple *>
15102	to a vec<stmt_vec_info>.
15103	(bst_traits::value_type, bst_traits::value_type): Likewise.
15104	(bst_traits::hash): Update accordingly.
15105	(vect_get_and_check_slp_defs): Change the stmts parameter from
15106	a vec<gimple *> to a vec<stmt_vec_info>.
15107	(vect_two_operations_perm_ok_p, vect_build_slp_tree_1): Likewise.
15108	(vect_build_slp_tree): Likewise.
15109	(vect_build_slp_tree_2): Likewise.  Update uses of
15110	SLP_TREE_SCALAR_STMTS.
15111	(vect_print_slp_tree): Update uses of SLP_TREE_SCALAR_STMTS.
15112	(vect_mark_slp_stmts, vect_mark_slp_stmts_relevant)
15113	(vect_slp_rearrange_stmts, vect_attempt_slp_rearrange_stmts)
15114	(vect_supported_load_permutation_p, vect_find_last_scalar_stmt_in_slp)
15115	(vect_detect_hybrid_slp_stmts, vect_slp_analyze_node_operations_1)
15116	(vect_slp_analyze_node_operations, vect_slp_analyze_operations)
15117	(vect_bb_slp_scalar_cost, vect_slp_analyze_bb_1)
15118	(vect_get_constant_vectors, vect_get_slp_defs)
15119	(vect_transform_slp_perm_load, vect_schedule_slp_instance)
15120	(vect_remove_slp_scalar_calls, vect_schedule_slp): Likewise.
15121	(vect_analyze_slp_instance): Build up a vec of stmt_vec_infos
15122	instead of gimple stmts.
15123	* tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Change
15124	the stores parameter for a vec<gimple *> to a vec<stmt_vec_info>.
15125	(vect_slp_analyze_instance_dependence): Update uses of
15126	SLP_TREE_SCALAR_STMTS.
15127	(vect_slp_analyze_and_verify_node_alignment): Likewise.
15128	(vect_slp_analyze_and_verify_instance_alignment): Likewise.
15129	* tree-vect-loop.c (neutral_op_for_slp_reduction): Likewise.
15130	(get_initial_defs_for_reduction): Likewise.
15131	(vect_create_epilog_for_reduction): Likewise.
15132	(vectorize_fold_left_reduction): Likewise.
15133	* tree-vect-stmts.c (vect_prologue_cost_for_slp_op): Likewise.
15134	(vect_model_simple_cost, vectorizable_shift, vectorizable_load)
15135	(can_vectorize_live_stmts): Likewise.
15136
151372018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15138
15139	* tree-vectorizer.h (_loop_vec_info::reductions): Change from an
15140	auto_vec<gimple *> to an auto_vec<stmt_vec_info>.
15141	(vect_force_simple_reduction): Take and return stmt_vec_infos rather
15142	than gimple stmts.
15143	* tree-parloops.c (valid_reduction_p): Take a stmt_vec_info instead
15144	of a gimple stmt.
15145	(gather_scalar_reductions): Update after above interface changes.
15146	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Likewise.
15147	(vect_is_simple_reduction): Take and return stmt_vec_infos rather
15148	than gimple stmts.
15149	(vect_force_simple_reduction): Likewise.
15150	* tree-vect-patterns.c (vect_pattern_recog_1): Update use of
15151	LOOP_VINFO_REDUCTIONS.
15152	* tree-vect-slp.c (vect_analyze_slp_instance): Likewise.
15153
151542018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15155
15156	* tree-vectorizer.h (_stmt_vec_info::reduc_def): Change from
15157	a gimple stmt to a stmt_vec_info.
15158	* tree-vect-loop.c (vect_active_double_reduction_p)
15159	(vect_force_simple_reduction, vectorizable_reduction): Update
15160	accordingly.
15161
151622018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15163
15164	* tree-vectorizer.h (_slp_tree::vec_stmts): Change from a
15165	vec<gimple *> to a vec<stmt_vec_info>.
15166	* tree-vect-loop.c (vect_create_epilog_for_reduction): Change
15167	the reduction_phis argument from a vec<gimple *> to a
15168	vec<stmt_vec_info>.
15169	(vectorizable_reduction): Likewise the phis local variable that
15170	is passed to vect_create_epilog_for_reduction.  Update for new type
15171	of SLP_TREE_VEC_STMTS.
15172	(vectorizable_induction): Update for new type of SLP_TREE_VEC_STMTS.
15173	(vectorizable_live_operation): Likewise.
15174	* tree-vect-slp.c (vect_get_slp_vect_defs): Likewise.
15175	(vect_transform_slp_perm_load, vect_schedule_slp_instance): Likewise.
15176
151772018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15178
15179	* tree-vectorizer.h (_stmt_vec_info::vectorized_stmt): Change from
15180	a gimple stmt to a stmt_vec_info.
15181	(vectorizable_condition, vectorizable_live_operation)
15182	(vectorizable_reduction, vectorizable_induction): Pass back the
15183	vectorized statement as a stmt_vec_info.
15184	* tree-vect-data-refs.c (vect_record_grouped_load_vectors): Update
15185	use of STMT_VINFO_VEC_STMT.
15186	* tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise,
15187	accumulating the inner phis that feed the STMT_VINFO_VEC_STMT
15188	as stmt_vec_infos rather than gimple stmts.
15189	(vectorize_fold_left_reduction): Change vec_stmt from a gimple stmt
15190	to a stmt_vec_info.
15191	(vectorizable_live_operation): Likewise.
15192	(vectorizable_reduction, vectorizable_induction): Likewise,
15193	updating use of STMT_VINFO_VEC_STMT.
15194	* tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Update use
15195	of STMT_VINFO_VEC_STMT.
15196	(vect_build_gather_load_calls, vectorizable_bswap, vectorizable_call)
15197	(vectorizable_simd_clone_call, vectorizable_conversion)
15198	(vectorizable_assignment, vectorizable_shift, vectorizable_operation)
15199	(vectorizable_store, vectorizable_load, vectorizable_condition)
15200	(vectorizable_comparison, can_vectorize_live_stmts): Change vec_stmt
15201	from a gimple stmt to a stmt_vec_info.
15202	(vect_transform_stmt): Update use of STMT_VINFO_VEC_STMT.  Pass a
15203	pointer to a stmt_vec_info to the vectorizable_* routines.
15204
152052018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15206
15207	* tree-vectorizer.h (_stmt_vec_info::related_stmt): Change from
15208	a gimple stmt to a stmt_vec_info.
15209	(is_pattern_stmt_p): Update accordingly.
15210	* tree-vect-data-refs.c (vect_preserves_scalar_order_p): Likewise.
15211	(vect_record_grouped_load_vectors): Likewise.
15212	* tree-vect-loop.c (vect_determine_vf_for_stmt): Likewise.
15213	(vect_fixup_reduc_chain, vect_update_vf_for_slp): Likewise.
15214	(vect_model_reduction_cost): Likewise.
15215	(vect_create_epilog_for_reduction): Likewise.
15216	(vectorizable_reduction, vectorizable_induction): Likewise.
15217	* tree-vect-patterns.c (vect_init_pattern_stmt): Likewise.
15218	Return the stmt_vec_info for the pattern statement.
15219	(vect_set_pattern_stmt): Update use of STMT_VINFO_RELATED_STMT.
15220	(vect_split_statement, vect_mark_pattern_stmts): Likewise.
15221	* tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
15222	(vect_detect_hybrid_slp, vect_get_slp_defs): Likewise.
15223	* tree-vect-stmts.c (vect_mark_relevant): Likewise.
15224	(vect_get_vec_def_for_operand_1, vectorizable_call): Likewise.
15225	(vectorizable_simd_clone_call, vect_analyze_stmt, new_stmt_vec_info)
15226	(free_stmt_vec_info, vect_is_simple_use): Likewise.
15227
152282018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15229
15230	* tree-vectorizer.h (vect_finish_replace_stmt): Return a stmt_vec_info
15231	(vect_finish_stmt_generation): Likewise.
15232	* tree-vect-stmts.c (vect_finish_stmt_generation_1): Likewise.
15233	(vect_finish_replace_stmt, vect_finish_stmt_generation): Likewise.
15234	(vect_build_gather_load_calls): Use the return value of the above
15235	functions instead of a separate call to vinfo_for_stmt.  Use narrow
15236	scopes for the input gimple stmt and wider scopes for the associated
15237	stmt_vec_info.  Use vec_info::lookup_def when setting these
15238	stmt_vec_infos from an SSA_NAME definition.
15239	(vectorizable_bswap, vectorizable_call, vectorizable_simd_clone_call)
15240	(vect_create_vectorized_demotion_stmts, vectorizable_conversion)
15241	(vectorizable_assignment, vectorizable_shift, vectorizable_operation)
15242	(vectorizable_store, vectorizable_load, vectorizable_condition)
15243	(vectorizable_comparison): Likewise.
15244	* tree-vect-loop.c (vectorize_fold_left_reduction): Likewise.
15245	(vectorizable_reduction): Likewise.
15246
152472018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15248
15249	* tree-vectorizer.h (vect_is_simple_use): Add an optional
15250	stmt_vec_info * parameter before the optional gimple **.
15251	* tree-vect-stmts.c (vect_is_simple_use): Likewise.
15252	(process_use, vect_get_vec_def_for_operand_1): Update callers.
15253	(vect_get_vec_def_for_operand, vectorizable_shift): Likewise.
15254	* tree-vect-loop.c (vectorizable_reduction): Likewise.
15255	(vectorizable_live_operation): Likewise.
15256	* tree-vect-patterns.c (type_conversion_p): Likewise.
15257	(vect_look_through_possible_promotion): Likewise.
15258	(vect_recog_rotate_pattern): Likewise.
15259	* tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise.
15260
152612018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15262
15263	* tree-vectorizer.h (stmt_vec_info): Temporarily change from
15264	a typedef to a wrapper class.
15265	(NULL_STMT_VEC_INFO): New macro.
15266	(vec_info::stmt_infos): Change to vec<stmt_vec_info>.
15267	(stmt_vec_info::operator*): New function.
15268	(stmt_vec_info::operator gimple *): Likewise.
15269	(set_vinfo_for_stmt): Use NULL_STMT_VEC_INFO.
15270	(add_stmt_costs): Likewise.
15271	* tree-vect-loop-manip.c (iv_phi_p): Likewise.
15272	* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost)
15273	(vect_get_known_peeling_cost): Likewise.
15274	(vect_estimate_min_profitable_iters): Likewise.
15275	* tree-vect-patterns.c (vect_init_pattern_stmt): Likewise.
15276	* tree-vect-slp.c (vect_remove_slp_scalar_calls): Likewise.
15277	* tree-vect-stmts.c (vect_build_gather_load_calls): Likewise.
15278	(vectorizable_store, free_stmt_vec_infos): Likewise.
15279	(new_stmt_vec_info): Change return type of xcalloc to
15280	_stmt_vec_info *.
15281
152822018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15283
15284	* tree-vectorizer.h (vec_info::lookup_single_use): Declare.
15285	* tree-vectorizer.c (vec_info::lookup_single_use): New function.
15286	* tree-vect-loop.c (vectorizable_reduction): Use it instead of
15287	a single_imm_use-based sequence.
15288	* tree-vect-stmts.c (supportable_widening_operation): Likewise.
15289
152902018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15291
15292	* tree-vectorizer.h (vec_info::lookup_def): Declare.
15293	* tree-vectorizer.c (vec_info::lookup_def): New function.
15294	* tree-vect-patterns.c (vect_get_internal_def): Use it.
15295	(vect_widened_op_tree): Likewise.
15296	* tree-vect-stmts.c (vect_is_simple_use): Likewise.
15297	* tree-vect-loop.c (vect_analyze_loop_operations): Likewise.
15298	(vectorizable_reduction): Likewise.
15299	(vect_valid_reduction_input_p): Take a stmt_vec_info instead
15300	of a gimple *.
15301	(vect_is_slp_reduction): Update calls accordingly.  Use
15302	vec_info::lookup_def.
15303	(vect_is_simple_reduction): Likewise
15304	* tree-vect-slp.c (vect_detect_hybrid_slp_1): Use vec_info::lookup_def.
15305
153062018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15307
15308	* tree-vectorizer.h (vec_info::lookup_stmt): Declare.
15309	* tree-vectorizer.c (vec_info::lookup_stmt): New function.
15310	* tree-vect-loop.c (vect_determine_vf_for_stmt): Use it instead
15311	of vinfo_for_stmt.
15312	(vect_determine_vectorization_factor, vect_analyze_scalar_cycles_1)
15313	(vect_compute_single_scalar_iteration_cost, vect_analyze_loop_form)
15314	(vect_update_vf_for_slp, vect_analyze_loop_operations)
15315	(vect_is_slp_reduction, vectorizable_induction)
15316	(vect_transform_loop_stmt, vect_transform_loop): Likewise.
15317	* tree-vect-patterns.c (vect_init_pattern_stmt):
15318	(vect_determine_min_output_precision_1, vect_determine_precisions)
15319	(vect_pattern_recog): Likewise.
15320	* tree-vect-stmts.c (vect_analyze_stmt, vect_transform_stmt): Likewise.
15321	* config/powerpcspe/powerpcspe.c (rs6000_density_test): Likewise.
15322	* config/rs6000/rs6000.c (rs6000_density_test): Likewise.
15323	* tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
15324	(vect_detect_hybrid_slp_1, vect_detect_hybrid_slp_2)
15325	(vect_detect_hybrid_slp): Likewise.  Change the walk_stmt_info
15326	info field from a loop to a loop_vec_info.
15327
153282018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15329
15330	* tree-vectorizer.h (stmt_vec_info): Move typedef earlier in file.
15331	(vec_info::add_stmt): Declare.
15332	* tree-vectorizer.c (vec_info::add_stmt): New function.
15333	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Use it.
15334	* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
15335	(vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
15336	(vectorizable_induction): Likewise.
15337	* tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
15338	* tree-vect-stmts.c (vect_finish_stmt_generation_1): Likewise.
15339	(vectorizable_simd_clone_call, vectorizable_store): Likewise.
15340	(vectorizable_load): Likewise.
15341	* tree-vect-patterns.c (vect_init_pattern_stmt): Likewise.
15342	(vect_recog_bool_pattern, vect_recog_mask_conversion_pattern)
15343	(vect_recog_gather_scatter_pattern): Likewise.
15344	(append_pattern_def_seq): Likewise.  Remove a check that is
15345	performed by add_stmt itself.
15346
153472018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15348
15349	* tree-vect-loop.c (vectorizable_reduction): Fix an instance in
15350	which make_ssa_name was called with new_stmt before new_stmt
15351	had been created.
15352
153532018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15354
15355	* tree-vect-loop.c (vect_valid_reduction_input_p): New function,
15356	split out from...
15357	(vect_is_slp_reduction): ...here...
15358	(vect_is_simple_reduction): ...and here.  Remove repetition of tests
15359	that are already known to be false.
15360
153612018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15362
15363	* tree-vectorizer.h (vect_free_slp_instance): Add a final_p parameter.
15364	* tree-vect-slp.c (vect_free_slp_tree): Likewise.  Don't update
15365	STMT_VINFO_NUM_SLP_USES when it's true.
15366	(vect_free_slp_instance): Add a final_p parameter and pass it to
15367	vect_free_slp_tree.
15368	(vect_build_slp_tree_2): Update call to vect_free_slp_instance.
15369	(vect_analyze_slp_instance): Likewise.
15370	(vect_slp_analyze_operations): Likewise.
15371	(vect_slp_analyze_bb_1): Likewise.
15372	* tree-vectorizer.c (vec_info): Likewise.
15373	* tree-vect-loop.c (vect_transform_loop): Likewise.
15374
153752018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15376
15377	* tree-vect-loop.c (vectorizable_reduction): Assert that the
15378	function is not called for second and subsequent members of
15379	a reduction group.
15380
153812018-07-31  Richard Sandiford  <richard.sandiford@arm.com>
15382
15383	* tree-vect-loop.c (get_initial_def_for_reduction): Move special
15384	cases for nested loops from here to ...
15385	(vect_create_epilog_for_reduction): ...here.  Only call
15386	vect_is_simple_use for inner-loop reductions.
15387
153882018-07-31  Martin Liska  <mliska@suse.cz>
15389
15390	PR gcov-profile/85338
15391	PR gcov-profile/85350
15392	PR gcov-profile/85372
15393	* profile.c (struct location_triplet): New.
15394	(struct location_triplet_hash): Likewise.
15395	(output_location): Do not output a BB that
15396	is already recorded for a line.
15397	(branch_prob): Use streamed_locations.
15398
153992018-07-31  Martin Liska  <mliska@suse.cz>
15400
15401	PR gcov-profile/85370
15402	* coverage.c (coverage_begin_function): Do not mark target
15403	clones as artificial functions.
15404
154052018-07-31  Martin Liska  <mliska@suse.cz>
15406
15407	PR gcov-profile/83813
15408	PR gcov-profile/84758
15409	PR gcov-profile/85217
15410	PR gcov-profile/85332
15411	* profile.c (branch_prob): Do not record GOTO expressions
15412	for GIMPLE statements which locations are already streamed.
15413
154142018-07-31  Olivier Hainque  <hainque@adacore.com>
15415
15416	* gcc.c (handle_spec_function): Accept a soft_matched_part
15417	argument, as do_spec_1.  Pass it down to ...
15418	(eval_spec_function): Accept a soft_matched_part argument,
15419	and pass it down to ...
15420	(do_spec_2): Accept a soft_matched_part argument, and pass
15421	it down to do_spec_1.
15422	(do_spec_1): Pass soft_matched_part to handle_spec_function.
15423	(handle_braces): Update call to handle_spec_function.
15424	(driver::set_up_specs): Update calls to do_spec_2.
15425	(compare_debug_dump_opt_spec_function): Likewise.
15426	(compare_debug_self_opt_spec_function): Likewise.
15427
154282018-07-31  Olivier Hainque  <hainque@adacore.com>
15429
15430	* common.opt (nolibc): New option.
15431	* doc/invoke.texi (Link Options): Document it.
15432	* gcc.c (LINK_GCC_C_SEQUENCE_SPEC): Honor nolibc.
15433	* config/alpha/linux.h: Likewise.
15434	* config/arc/elf.h: Likewise.
15435	* config/arm/uclinux-elf.h: Likewise.
15436	* config/arm/unknown-elf.h: Likewise.
15437	* config/avr/avrlibc.h: Likewise.
15438	* config/bfin/bfin.h: Likewise.
15439	* config/bfin/linux.h: Likewise.
15440	* config/bfin/uclinux.h: Likewise.
15441	* config/darwin.h: Likewise.
15442	* config/darwin10.h: Likewise.
15443	* config/darwin12.h: Likewise.
15444	* config/gnu-user.h: Likewise.
15445	* config/lm32/uclinux-elf.h: Likewise.
15446	* config/pa/pa-hpux11.h: Likewise.
15447	* config/pa/pa64-hpux.h: Likewise.
15448	* config/sparc/sparc.h: Likewise.
15449
154502018-07-31  Olivier Hainque  <hainque@adacore.com>
15451
15452	* gcc.c (getenv_spec_function): Prepend '/' to value for allowed
15453	undefined variables.
15454
154552018-07-30  Segher Boessenkool  <segher@kernel.crashing.org>
15456
15457	PR target/86640
15458	* config/arm/arm.c (arm_block_set_aligned_vect): Use gen_int_mode
15459	instead of GEN_INT.
15460
154612018-07-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15462
15463	* tree-ssa-forwprop.c (simplify_builtin_call): Don't create a not NUL
15464	terminated string literal.
15465
154662018-07-30  Segher Boessenkool  <segher@kernel.crashing.org>
15467
15468	PR rtl-optimization/85160
15469	* combine.c (is_just_move): New function.
15470	(try_combine): Allow combining two instructions into two if neither of
15471	the original instructions was a move.
15472
154732018-07-30  Alexander Monakov  <amonakov@ispras.ru>
15474
15475	PR target/86673
15476	* doc/extend.texi (Global Register Variables): Discourage use of type
15477	qualifiers.
15478	(Local Register Variables): Likewise.
15479
154802018-07-30  Richard Sandiford  <richard.sandiford@arm.com>
15481
15482	PR tree-optimization/86506
15483	* hwint.h (ceil_log2): Resync with hwint.c implementation.
15484
154852018-07-30  Ilya Leoshkevich  <iii@linux.ibm.com>
15486
15487	PR target/86547
15488	* lra-constraints.c (spill_hard_reg_in_range): When selecting the
15489	hard_regno, make sure no insn between `from` and `to` clobbers it.
15490
154912018-07-30  Cesar Philippidis  <cesar@codesourcery.com>
15492	    Tom de Vries  <tdevries@suse.de>
15493
15494	* config/nvptx/nvptx.c (PTX_GANG_DEFAULT): Rename to ...
15495	(PTX_DEFAULT_RUNTIME_DIM): ... this.
15496	(nvptx_goacc_validate_dims): Set default worker and gang dims to
15497	PTX_DEFAULT_RUNTIME_DIM.
15498	(nvptx_dim_limit): Ignore GOMP_DIM_WORKER.
15499
155002018-07-29  John David Anglin  <danglin@gcc.gnu.org>
15501
15502	* config/pa/pa.c (pa_output_addr_vec): Align address table.
15503	* config/pa/pa.h (JUMP_TABLES_IN_TEXT_SECTION): Revise comment.
15504	* config/pa/pa32-linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
15505
155062018-07-27  Michael Meissner  <meissner@linux.ibm.com>
15507
15508	* config/rs6000/constraints.md (wG constraint): Delete, no longer
15509	used.
15510	* config/rs6000/predicates.md (p9_fusion_reg_operand): Rename
15511	predicate to reflect toc fusion has been deleted.
15512	(toc_fusion_mem_raw): Delete, no longer used.
15513	(toc_fusion_mem_wrapped): Likewise.
15514	* config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete toc
15515	fusion mask bit.
15516	* config/rs6000/rs6000-protos.h (fusion_wrap_memory_address):
15517	Delete, no longer used.
15518	* config/rs6000/rs6000.c (struct rs6000_reg_addr): Delete fields
15519	meant to be used for toc fusion.
15520	(rs6000_debug_print_mode): Delete toc fusion debugging.
15521	(rs6000_debug_reg_global): Likewise.
15522	(rs6000_init_hard_regno_mode_ok): Delete setting up fields for toc
15523	fusion and secondary reload support that were never used.
15524	(rs6000_option_override_internal): Delete TOC fusion, that was only
15525	partially defined, and it did not work unless you also used the
15526	-mcmodel= switch.
15527	(rs6000_legitimate_address_p): Delete TOC fusion support.
15528	(rs6000_opt_masks): Likewise.
15529	(fusion_wrap_memory_address): Delete function, no longer used.
15530	(fusion_split_address); Delete TOC fusion support.
15531	* config/rs6000/rs6000.h (TARGET_TOC_FUSION_INT): Delete, no
15532	longer used with toc fusion being deleted.
15533	(TARGET_TOC_FUSION_FP): Likewise.
15534	* config/rs6000/rs6000.md (UNSPEC_FUSION_ADDIS): Delete TOC fusion
15535	UNSPEC.
15536	(toc fusion spliter): Delete TOC fusion support.
15537	(toc_fusionload_<mode>): Likewise.
15538	(toc_fusionload_di): Likewise.
15539	(fusion_gpr_load_<mode>): Delete generator function, this insn no
15540	longer needs to be named.  Rename predicate to delete TOC fusion.
15541	(fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
15542	(fusion_gpr_<P:mode>_<GPR_FUSION:mode>_store): Likewise.
15543	(fusion_vsx_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
15544	(fusion_vsx_<P:mode>_<GPR_FUSION:mode>_store): Likewise.
15545	(p9 fusion peephole2s): Rename predicate to delete TOC fusion.
15546
155472018-07-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15548
15549	* doc/extend.texi (Basic PowerPC Built-in Functions Available on
15550	ISA 2.05):  Replace __uint128_t with __uint128 and __int128_t with
15551	__int128 in built-in function prototypes.
15552	(PowerPC AltiVec Built-in Functions on ISA 2.07): Likewise.
15553	(PowerPC AltiVec Built-in Functions on ISA 3.0): Likewise.
15554
155552018-07-27  Martin Sebor  <msebor@redhat.com>
15556
15557	PR tree-optimization/86696
15558	* tree-ssa-strlen.c (get_min_string_length): Handle all integer
15559	types, including enums.
15560	(handle_char_store): Be prepared for the above function to fail.
15561
155622018-07-26  Qing Zhao  <qing.zhao@oracle.com>
15563
15564	* builtins.c (inline_expand_builtin_string_cmp): Disable inlining
15565	when optimization level is lower than 2 or optimize for size.
15566
155672018-07-26  Martin Sebor  <msebor@redhat.com>
15568
15569	PR tree-optimization/86043
15570	PR tree-optimization/86042
15571	* tree-ssa-strlen.c (handle_builtin_memcpy): Handle strict overlaps.
15572	(get_string_cst_length): Rename...
15573	(get_min_string_length): ...to this.  Add argument.
15574	(handle_char_store): Extend to handle multi-character stores by
15575	MEM_REF.
15576	* tree.c (initializer_zerop): Use new argument.  Handle MEM_REF.
15577	* tree.h (initializer_zerop): Add argument.
15578
155792018-07-26  Jakub Jelinek  <jakub@redhat.com>
15580
15581	PR middle-end/86660
15582	* omp-low.c (scan_sharing_clauses): Don't ignore map clauses for
15583	declare target to variables if they have always,{to,from,tofrom} map
15584	kinds.
15585
155862018-07-26  Martin Liska  <mliska@suse.cz>
15587
15588	PR lto/86548
15589	* lto-wrapper.c: Add linker_output as prefix
15590	for ltrans_output_file.
15591
155922018-07-26  Segher Boessenkool  <segher@kernel.crashing.org>
15593
15594	PR rtl-optimization/85805
15595	* combine.c (reg_nonzero_bits_for_combine): Only use the last set
15596	value for hard registers if that was written in the same mode.
15597
155982018-07-26  Martin Liska  <mliska@suse.cz>
15599
15600	PR gcov-profile/86536
15601	* gcov.c (format_gcov): Use printf format %.*f directly
15602	and do not handle special values.
15603
156042018-07-25  Claudiu Zissulescu  <claziss@synopsys.com>
15605
15606	* common/config/arc/arc-common.c (arc_option_optimization_table):
15607	Update default optimizations for size.
15608
156092018-07-25  Claudiu Zissulescu  <claziss@synopsys.com>
15610
15611	* config/arc/arc.md (movsf_insn): Add short instruction selection.
15612	* config/arc/constraints.md (CfZ): New constraint.
15613	* config/arc/fpu.md (addssf3_fpu): Use CfZ constraint.
15614	(subsf3_fpu): Likewise.
15615	(cmpsf_fpu): Likewise.
15616	(cmpsf_fpu_uneq): Likewise.
15617
156182018-07-25  Claudiu Zissulescu  <claziss@synopsys.com>
15619
15620	* config/arc/arc.c (compact_memory_operand_p): Check for uncached
15621	accesses as well.
15622	(arc_is_uncached_mem_p): uncached applies to both the variable and
15623	the pointer.
15624
156252018-07-25  Claudiu Zissulescu  <claziss@synopsys.com>
15626
15627	* config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add additional
15628	register names.
15629
156302018-07-25  David Malcolm  <dmalcolm@redhat.com>
15631
15632	* optinfo-emit-json.cc (class optrecord_json_writer): Convert
15633	field "m_scopes" from vec to auto_vec.
15634
156352018-07-25  Martin Liska  <mliska@suse.cz>
15636
15637	* config/powerpcspe/powerpcspe-protos.h (rs6000_loop_align): Fix
15638	return type.
15639
156402018-07-25  Richard Biener  <rguenther@suse.de>
15641
15642	PR debug/86654
15643	* dwarf2out.c (dwarf2out_decl): Do not handle nested functions
15644	special wrt context_die late.
15645	(gen_subprogram_die): Re-use DIEs in local scope.
15646
156472018-07-25  Richard Sandiford  <richard.sandiford@arm.com>
15648
15649	PR tree-optimization/86644
15650	* hwint.c (ceil_log2): Fix comment.  Return 0 for 0.
15651
156522018-07-25  Martin Liska  <mliska@suse.cz>
15653
15654	PR middle-end/86645
15655	* dumpfile.c: And excluded values with TDF_ALL_VALUES.
15656	* dumpfile.h (enum dump_flag): Defince TDF_ALL_VALUES.
15657
156582018-07-25  Martin Liska  <mliska@suse.cz>
15659
15660	PR sanitizer/79635
15661	* params.def: Explain ASan abbreviation and provide
15662	a documentation link.
15663
156642018-07-24  Martin Sebor  <msebor@redhat.com>
15665
15666	PR tree-optimization/86622
15667	PR tree-optimization/86532
15668	* builtins.h (string_length): Declare.
15669	* builtins.c (c_strlen): Correct handling of non-constant offsets.
15670	(check_access): Be prepared for non-constant length ranges.
15671	(string_length): Make extern.
15672	* expr.c (string_constant): Only handle the minor non-constant
15673	array index.  Use string_constant to compute the length of
15674	a generic string constant.
15675
156762018-07-24  Richard Sandiford  <richard.sandiford@arm.com>
15677
15678	PR tree-optimization/86618
15679	* tree-vect-stmts.c (vectorizable_call): Don't take the address
15680	of LOOP_VINFO_MASKS (loop_vinfo) when loop_vinfo is null.
15681
156822018-07-24  David Malcolm  <dmalcolm@redhat.com>
15683
15684	PR tree-optimization/86636
15685	* json.cc (json::object::set): Fix comment.  Add assertions.
15686	(json::array::append): Move here from json.h.  Add comment and an
15687	assertion.
15688	(json::string::string): Likewise.
15689	* json.h (json::array::append): Move to json.cc.
15690	(json::string::string): Likewise.
15691	* optinfo-emit-json.cc
15692	(optrecord_json_writer::impl_location_to_json): Assert that we
15693	aren't attempting to write out UNKNOWN_LOCATION, or an ad-hoc
15694	wrapper around it.  Expand the location once, rather than three
15695	times.
15696	(optrecord_json_writer::inlining_chain_to_json): Fix the check for
15697	UNKNOWN_LOCATION, to use LOCATION_LOCUS to look through ad-hoc
15698	wrappers.
15699	(optrecord_json_writer::optinfo_to_json): Likewise, in four
15700	places.  Fix some overlong lines.
15701
157022018-07-24  Matthew Malcomson  <matthew.malcomson@arm.com>
15703
15704	* config/aarch64/aarch64-simd.md
15705	(aarch64_<ANY_EXTEND:su><ADDSUB:optab>w<mode>): Split into...
15706	(aarch64_<ANY_EXTEND:su>subw<mode>): ... This...
15707	(aarch64_<ANY_EXTEND:su>addw<mode>): ... And this.
15708	(aarch64_<ANY_EXTEND:su><ADDSUB:optab>w<mode>_internal): Split into...
15709	(aarch64_<ANY_EXTEND:su>subw<mode>_internal): ... This...
15710	(aarch64_<ANY_EXTEND:su>addw<mode>_internal): ... And this.
15711	(aarch64_<ANY_EXTEND:su><ADDSUB:optab>w2<mode>_internal): Split into...
15712	(aarch64_<ANY_EXTEND:su>subw2<mode>_internal): ... This...
15713	(aarch64_<ANY_EXTEND:su>addw2<mode>_internal): ... And this.
15714
157152018-07-24  Jakub Jelinek  <jakub@redhat.com>
15716
15717	PR middle-end/86627
15718	* expmed.c (expand_divmod): Punt if d == HOST_WIDE_INT_MIN
15719	and size > HOST_BITS_PER_WIDE_INT.  For size > HOST_BITS_PER_WIDE_INT
15720	and abs_d == d, do the power of two handling if profitable.
15721
157222018-07-24  Richard Biener  <rguenther@suse.de>
15723
15724	* match.pd: Add BIT_FIELD_REF canonicalizations.
15725
157262018-07-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15727
15728	PR c/86617
15729	* genmatch.c (dt_operand::gen_match_op): Avoid folding volatile values.
15730
157312018-07-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15732
15733	* gimple-fold.c (gimple_fold_builtin_printf): Don't create a not NUL
15734	terminated STRING_CST object.
15735
157362018-07-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15737
15738	hsa-dump.c (dump_hsa_symbol): Avoid out of scope access to buf.
15739
157402018-07-23  Segher Boessenkool  <segher@kernel.crashing.org>
15741
15742	* config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Adjust.
15743	* config/rs6000/rs6000-protos.h (rs6000_split_v4si_init): Delete.
15744	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Always force
15745	the elements into a register.
15746	(rs6000_split_v4si_init_di_reg): Delete.
15747	(rs6000_split_v4si_init): Delete.
15748	* config/rs6000/vsx.md (unspec): Delete UNSPEC_VSX_VEC_INIT.
15749	(vsx_init_v4si): Rewrite as a define_expand.
15750
157512018-07-23  Segher Boessenkool  <segher@kernel.crashing.org>
15752
15753	* config/rs6000/rs6000.md (splitters for rldimi and rlwimi with the
15754	zero_extend argument from memory): New.
15755
157562018-07-22  Martin Sebor  <msebor@redhat.com>
15757
15758	PR bootstrap/86621
15759	* gimple-ssa-warn-alloca.c (alloca_call_type_by_arg): Avoid
15760	diagnosing calls with unknown arguments unless -Walloca-larger-than
15761	is restricted to less than PTRDIFF_MAX bytes.
15762
157632018-07-22  Gerald Pfeifer  <gerald@pfeifer.com>
15764
15765	* doc/gcov.texi (Invoking Gcov): Editorial changes.
15766
157672018-07-20  David Malcolm  <dmalcolm@redhat.com>
15768
15769	* pretty-print.c (text_info::set_location): Remove redundant
15770	"line_table" parameter from call to rich_location::set_range.
15771
157722018-07-20  Martin Sebor  <msebor@redhat.com>
15773
15774	PR middle-end/82063
15775	* builtins.c (expand_builtin_alloca): Adjust.
15776	* calls.c (alloc_max_size): Simplify.
15777	* cgraphunit.c (cgraph_node::expand): Adjust.
15778	* common.opt (larger_than_size, warn_frame_larger_than): Remove
15779	variables.
15780	(frame_larger_than_size): Same.
15781	(-Wframe-larger-than, -Wlarger-than, -Wstack-usage): Change options
15782	to take a HOST_WIDE_INT argument and accept a byte-size suffix.
15783	Initialize.
15784	* doc/invoke.texi (GCC Command Options): Document option arguments.
15785	Explain byte-size arguments and suffixes.
15786	(-Wvla-larger-than, -Wno-alloc-size-larger-than): Update.
15787	(-Wno-alloca-larger-than, -Wno-vla-larger-than): Same.
15788	(-Wframe-larger-than, -Wlarger-than, -Wstack-usage): Same.
15789	* doc/options.texi (UInteger): Expand.
15790	(Host_Wide_Int, ByteSize): Document new properties.
15791	* final.c (final_start_function_1): Include sizes in an error message.
15792	* function.c (frame_offset_overflow): Same.
15793	* gimple-ssa-warn-alloca.c (pass_walloca::gate): Adjust.
15794	(alloca_call_type_by_arg): Change function argument to HOST_WIDE_INT.
15795	Diagnose unbounded alloca calls only for limits of less than
15796	PTRDIFF_MAX.
15797	(alloca_call_type): Adjust.  Diagnose possibly out-of-bounds alloca
15798	calls and VLA size only for limits of less than	PTRDIFF_MAX.  Same
15799	for alloca(0).
15800	(pass_walloca::execute): Adjust.  Diagnose alloca calls in loops
15801	only for limits of less than PTRDIFF_MAX.
15802	* langhooks-def.h (lhd_handle_option): Change function argument
15803	to HOST_WIDE_INT.
15804	* langhooks.c (lhd_handle_option): Same.
15805	* langhooks.h (handle_option): Same.
15806	* opt-functions.awk (switch_bit_fields): Handle Host_Wide_Int and
15807	ByteSize flags.
15808	(var_type, var_type_struct): Same.
15809	(var_set): Handle ByteSize flag.
15810	* optc-gen.awk: Add comments to output to ease debugging.  Make
15811	use of HOST_WIDE_INT where appropriate.
15812	* opts-gen-save.awk:  Use %lx to format unsigned long.
15813	* opth-gen.awk: Change function argument to HOST_WIDE_INT.
15814	* opts-common.c (integral_argument): Return HOST_WIDE_INT and add
15815	arguments.  Parse bytes-size suffixes.
15816	(enum_arg_to_value): Change function argument to HOST_WIDE_INT.
15817	(enum_value_to_arg): Same.
15818	(decode_cmdline_option): Handle cl_host_wide_int.  Adjust.
15819	(handle_option): Adjust.
15820	(generate_option): Change function argument to HOST_WIDE_INT.
15821	(cmdline_handle_error): Adjust.
15822	(read_cmdline_option): Change function argument to HOST_WIDE_INT.
15823	(set_option): Change function argument to HOST_WIDE_INT.
15824	(option_enabled): Handle cl_host_wide_int.
15825	(get_option_state): Handle CLVC_SIZE.
15826	(control_warning_option): Same.
15827	* opts.c (common_handle_option): Change function argument to
15828	HOST_WIDE_INT.  Remove handling of OPT_Walloca_larger_than_ and
15829	OPT_Wvla_larger_than_.
15830	* opts.h (enum cl_var_type): Add an enumerator.
15831	* stor-layout.c (layout_decl): Print a more meaningful warning.
15832	* toplev.c (output_stack_usage): Adjust.
15833
158342018-07-20  Qing Zhao  <qing.zhao@oracle.com>
15835
15836	* builtins.c (expand_builtin_memcmp): Delete the last parameter for
15837	call to inline_expand_builtin_string_cmp.
15838	(expand_builtin_strcmp): Likewise.
15839	(expand_builtin_strncmp): Likewise.
15840	(inline_string_cmp): Delete the last parameter, change char_type_node
15841	to unsigned_char_type_node for strcmp/strncmp, add conversions to the
15842	two operands.
15843	(inline_expand_builtin_string_cmp): Delete the last parameter, give up
15844	the inlining expansion on target where the type of the call has same or
15845	narrower precision than unsigned char.
15846
158472018-07-20  David Malcolm  <dmalcolm@redhat.com>
15848
15849	* Makefile.in (OBJS): Add json.o and optinfo-emit-json.o.
15850	(CFLAGS-optinfo-emit-json.o): Define TARGET_NAME.
15851	* common.opt (fsave-optimization-record): New option.
15852	* coretypes.h (struct kv_pair): Move here from dumpfile.c.
15853	* doc/invoke.texi (-fsave-optimization-record): New option.
15854	* dumpfile.c: Include "optinfo-emit-json.h".
15855	(struct kv_pair): Move to coretypes.h.
15856	(optgroup_options): Make non-static.
15857	(dump_context::end_scope): Call
15858	optimization_records_maybe_pop_dump_scope.
15859	* dumpfile.h (optgroup_options): New decl.
15860	* json.cc: New file.
15861	* json.h: New file.
15862	* optinfo-emit-json.cc: New file.
15863	* optinfo-emit-json.h: New file.
15864	* optinfo.cc: Include "optinfo-emit-json.h".
15865	(optinfo::emit): Call optimization_records_maybe_record_optinfo.
15866	(optinfo_enabled_p): Check optimization_records_enabled_p.
15867	(optinfo_wants_inlining_info_p): Likewise.
15868	* optinfo.h: Update comment.
15869	* profile-count.c (profile_quality_as_string): New function.
15870	* profile-count.h (profile_quality_as_string): New decl.
15871	(profile_count::quality): New accessor.
15872	* selftest-run-tests.c (selftest::run_tests): Call json_cc_tests
15873	and optinfo_emit_json_cc_tests.
15874	* selftest.h (selftest::json_cc_tests): New decl.
15875	(selftest::optinfo_emit_json_cc_tests): New decl.
15876	* toplev.c: Include "optinfo-emit-json.h".
15877	(compile_file): Call optimization_records_finish.
15878	(do_compile): Call optimization_records_start.
15879	* tree-ssa-live.c: Include optinfo.h.
15880	(remove_unused_scope_block_p): Retain inlining information if
15881	optinfo_wants_inlining_info_p returns true.
15882
158832018-07-20  Richard Biener  <rguenther@suse.de>
15884
15885	PR debug/86585
15886	* dwarf2out.c (dwarf2out_die_ref_for_decl): Test in_lto_p
15887	to cover -flto-partition=none.
15888
158892018-07-20  Martin Liska  <mliska@suse.cz>
15890
15891	* tree.h (DECL_LOCATION_RANGE): Remove unused macro.
15892	(get_decl_source_range): Remove unused function.
15893
158942018-07-20  Richard Biener  <rguenther@suse.de>
15895
15896	* tree-ssa-sccvn.h (struct vn_nary_op_s): Add next member.
15897	(struct vn_phi_s): Likewise.
15898	(struct vn_reference_s): Likewise.
15899	* tree-ssa-sccvn.c (vn_nary_op_hasher::equal): Add shortcut
15900	for searching the slot of an entry known to be in the hash itself.
15901	(vn_phi_hasher::equal): Likewise.
15902	(vn_reference_hasher::equal): Likewise.
15903	(last_inserted_ref, last_inserted_phi, last_inserted_nary): New
15904	globals.
15905	(optimistic_info, current_info): Remove, keeping only valid_info.
15906	(vn_reference_lookup_1): Remove fallback lookup.
15907	(vn_reference_lookup_2): Likewise.
15908	(vn_nary_op_lookup_1): Likewise.
15909	(vn_phi_lookup): Likewise.
15910	(vn_nary_build_or_lookup_1): Make sure to not chain the built
15911	hash element.
15912	(vn_reference_insert): Adjust, chain the inserted hash element
15913	at last_inserted_ref.
15914	(vn_reference_insert_pieces): Likewise.
15915	(visit_reference_op_call): Likewise.
15916	(vn_nary_op_insert_into): Chain the inserted hash element at
15917	last_inserted_nary.
15918	(vn_nary_op_insert_pieces): Adjust.
15919	(vn_nary_op_insert): Likewise.
15920	(vn_nary_op_insert_stmt): Likewise.
15921	(vn_phi_insert): Adjust, chain the inserted hash element at
15922	last_inserted_phi.
15923	(process_scc): Remove clearing and copying the optimistic
15924	table.  Instead remove elements inserted during an optimistic
15925	iteration from the single table we maintain.
15926	(init_scc_vn): Adjust.
15927	(free_scc_vn): Likewise.
15928	(sccvn_dom_walker::record_cond): Likewise.
15929	(sccvn_dom_walker::after_dom_children): Likewise.
15930
159312018-07-19  Martin Sebor  <msebor@redhat.com>
15932
15933	PR tree-optimization/84047
15934	PR tree-optimization/83776
15935	* tree-vrp.c (vrp_prop::check_mem_ref): New function.
15936	(check_array_bounds): Call it.
15937
159382018-07-19  Martin Sebor  <msebor@redhat.com>
15939
15940	* align.h (align_flags): Use member initialization.
15941
159422018-07-19  David Malcolm  <dmalcolm@redhat.com>
15943
15944	* Makefile.in (OBJS): Add optinfo.o.
15945	* coretypes.h (class symtab_node): New forward decl.
15946	(struct cgraph_node): New forward decl.
15947	(class varpool_node): New forward decl.
15948	* dump-context.h: New file.
15949	* dumpfile.c: Include "optinfo.h", "dump-context.h", "cgraph.h",
15950	"tree-pass.h".
15951	(refresh_dumps_are_enabled): Use optinfo_enabled_p.
15952	(set_dump_file): Call dumpfile_ensure_any_optinfo_are_flushed.
15953	(set_alt_dump_file): Likewise.
15954	(dump_context::~dump_context): New dtor.
15955	(dump_gimple_stmt): Move implementation to...
15956	(dump_context::dump_gimple_stmt): ...this new member function.
15957	Add the stmt to any pending optinfo, creating one if need be.
15958	(dump_gimple_stmt_loc): Move implementation to...
15959	(dump_context::dump_gimple_stmt_loc): ...this new member function.
15960	Start a new optinfo and add the stmt to it.
15961	(dump_gimple_expr): Move implementation to...
15962	(dump_context::dump_gimple_expr): ...this new member function.
15963	Add the stmt to any pending optinfo, creating one if need be.
15964	(dump_gimple_expr_loc): Move implementation to...
15965	(dump_context::dump_gimple_expr_loc): ...this new member function.
15966	Start a new optinfo and add the stmt to it.
15967	(dump_generic_expr): Move implementation to...
15968	(dump_context::dump_generic_expr): ...this new member function.
15969	Add the tree to any pending optinfo, creating one if need be.
15970	(dump_generic_expr_loc): Move implementation to...
15971	(dump_context::dump_generic_expr_loc): ...this new member
15972	function.  Add the tree to any pending optinfo, creating one if
15973	need be.
15974	(dump_printf): Move implementation to...
15975	(dump_context::dump_printf_va): ...this new member function.  Add
15976	the text to any pending optinfo, creating one if need be.
15977	(dump_printf_loc): Move implementation to...
15978	(dump_context::dump_printf_loc_va): ...this new member function.
15979	Start a new optinfo and add the stmt to it.
15980	(dump_dec): Move implementation to...
15981	(dump_context::dump_dec): ...this new member function.  Add the
15982	value to any pending optinfo, creating one if need be.
15983	(dump_context::dump_symtab_node): New member function.
15984	(dump_context::get_scope_depth): New member function.
15985	(dump_context::begin_scope): New member function.
15986	(dump_context::end_scope): New member function.
15987	(dump_context::ensure_pending_optinfo): New member function.
15988	(dump_context::begin_next_optinfo): New member function.
15989	(dump_context::end_any_optinfo): New member function.
15990	(dump_context::s_current): New global.
15991	(dump_context::s_default): New global.
15992	(dump_scope_depth): Delete global.
15993	(dumpfile_ensure_any_optinfo_are_flushed): New function.
15994	(dump_symtab_node): New function.
15995	(get_dump_scope_depth): Reimplement in terms of dump_context.
15996	(dump_begin_scope): Likewise.
15997	(dump_end_scope): Likewise.
15998	(selftest::temp_dump_context::temp_dump_context): New ctor.
15999	(selftest::temp_dump_context::~temp_dump_context): New dtor.
16000	(selftest::verify_item): New function.
16001	(ASSERT_IS_TEXT): New macro.
16002	(ASSERT_IS_TREE): New macro.
16003	(ASSERT_IS_GIMPLE): New macro.
16004	(selftest::test_capture_of_dump_calls): New test.
16005	(selftest::dumpfile_c_tests): Call it.
16006	* dumpfile.h (dump_printf, dump_printf_loc, dump_basic_block)
16007	(dump_generic_expr_loc, dump_generic_expr, dump_gimple_stmt_loc)
16008	(dump_gimple_stmt, dump_dec): Gather these related decls and add a
16009	descriptive comment.
16010	(dump_function, print_combine_total_stats, enable_rtl_dump_file)
16011	(dump_node, dump_bb): Move these unrelated decls.
16012	(class dump_manager): Add leading comment.
16013	* optinfo.cc: New file.
16014	* optinfo.h: New file.
16015
160162018-07-19  Michael Collison  <michael.collison@arm.com>
16017	    Richard Henderson  <rth@redhat.com>
16018
16019	* config/aarch64/aarch64.md (subv<GPI>4, usubv<GPI>4): New patterns.
16020	(subti): Handle op1 zero.
16021	(subvti4, usub4ti4): New.
16022	(*sub<GPI>3_compare1_imm): New.
16023	(sub<GPI>3_carryinCV): New.
16024	(*sub<GPI>3_carryinCV_z1_z2, *sub<GPI>3_carryinCV_z1): New.
16025	(*sub<GPI>3_carryinCV_z2, *sub<GPI>3_carryinCV): New.
16026
160272018-07-19  Michael Collison  <michael.collison@arm.com>
16028	    Richard Henderson  <rth@redhat.com>
16029
16030	* config/aarch64/aarch64.md: (addv<GPI>4, uaddv<GPI>4): New.
16031	(addti3): Create simpler code if low part is already known to be 0.
16032	(addvti4, uaddvti4): New.
16033	(*add<GPI>3_compareC_cconly_imm): New.
16034	(*add<GPI>3_compareC_cconly): New.
16035	(*add<GPI>3_compareC_imm): New.
16036	(*add<GPI>3_compareC): Rename from add<GPI>3_compare1; do not
16037	handle constants within this pattern..
16038	(*add<GPI>3_compareV_cconly_imm): New.
16039	(*add<GPI>3_compareV_cconly): New.
16040	(*add<GPI>3_compareV_imm): New.
16041	(add<GPI>3_compareV): New.
16042	(add<GPI>3_carryinC, add<GPI>3_carryinV): New.
16043	(*add<GPI>3_carryinC_zero, *add<GPI>3_carryinV_zero): New.
16044	(*add<GPI>3_carryinC, *add<GPI>3_carryinV): New.
16045	((*add<GPI>3_compareC_cconly_imm): Replace 'ne' operator
16046	with 'comparison' operator.
16047	(*add<GPI>3_compareV_cconly_imm): Ditto.
16048	(*add<GPI>3_compareV_cconly): Ditto.
16049	(*add<GPI>3_compareV_imm): Ditto.
16050	(add<GPI>3_compareV): Ditto.
16051	(add<mode>3_carryinC): Ditto.
16052	(*add<mode>3_carryinC_zero): Ditto.
16053	(*add<mode>3_carryinC): Ditto.
16054	(add<mode>3_carryinV): Ditto.
16055	(*add<mode>3_carryinV_zero): Ditto.
16056	(*add<mode>3_carryinV): Ditto.
16057
160582018-07-19  Michael Collison  <michael.collison@arm.com>
16059	    Richard Henderson  <rth@redhat.com>
16060
16061	* config/aarch64/aarch64-modes.def (CC_V): New.
16062	* config/aarch64/aarch64-protos.h
16063	(aarch64_addti_scratch_regs): Declare
16064	(aarch64_subvti_scratch_regs): Declare.
16065	(aarch64_expand_subvti): Declare.
16066	(aarch64_gen_unlikely_cbranch): Declare
16067	* config/aarch64/aarch64.c (aarch64_select_cc_mode): Test
16068	for signed overflow using CC_Vmode.
16069	(aarch64_get_condition_code_1): Handle CC_Vmode.
16070	(aarch64_gen_unlikely_cbranch): New function.
16071	(aarch64_addti_scratch_regs): New function.
16072	(aarch64_subvti_scratch_regs): New function.
16073	(aarch64_expand_subvti): New function.
16074
160752018-07-19  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16076
16077	* config/aarch64/aarch64-option-extensions.def: New entry for profile
16078	extension.
16079	* config/aarch64/aarch64.h (AARCH64_FL_PROFILE): New.
16080	* doc/invoke.texi (aarch64-feature-modifiers): New entry for profile
16081	extension.
16082
160832018-07-19  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16084
16085	PR target/83009
16086	* config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Make
16087	address check not strict.
16088
160892018-07-19  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16090
16091	* config/aarch64/aarch64-simd.md (aarch64_simd_mov<VQ:mode>): Replace
16092	Umq with Umn.
16093	(store_pair_lanes<mode>): Likewise.
16094	* config/aarch64/aarch64-protos.h (aarch64_addr_query_type): Add new
16095	enum value 'ADDR_QUERY_LDP_STP_N'.
16096	* config/aarch64/aarch64.c (aarch64_addr_query_type): Likewise.
16097	(aarch64_print_address_internal): Add declaration.
16098	(aarch64_print_ldpstp_address): Remove.
16099	(aarch64_classify_address): Adapt mode for 'ADDR_QUERY_LDP_STP_N'.
16100	(aarch64_print_operand): Change printing of 'y'.
16101	* config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Use
16102	new enum value 'ADDR_QUERY_LDP_STP_N', don't hardcode mode and use
16103	'true' rather than '1'.
16104	* config/aarch64/constraints.md (Uml): Likewise.
16105	(Uml): Rename to Umn.
16106	(Umq): Remove.
16107
161082018-07-19  Richard Biener  <rguenther@suse.de>
16109
16110	* tree-ssa-sccvn.h (struct vn_phi_s): Make phiargs member
16111	a trailing array.
16112	* tree-ssa-sccvn.c: Remove alloc-pool.h use.
16113	(vn_phi_hasher): Derive from nofree_ptr_hash and remove remove method.
16114	(vn_reference_hasher): Likewise.
16115	(struct vn_tables_s): Remove obstack and alloc-pool members.
16116	(vn_tables_obstack, vn_tables_insert_obstack): New global obstacks.
16117	(vn_nary_build_or_lookup_1): Manually build in vn_tables_insert_obstack.
16118	(vn_reference_insert): Allocate from obstack instead of from alloc-pool.
16119	(vn_reference_insert_pieces): Likewise.
16120	(alloc_vn_nary_op_noinit): Adjust.
16121	(vn_nary_op_insert_stmt): Allocate phiargs in-place.
16122	(vn_phi_eq): Adjust.
16123	(shared_lookup_phiargs): Remove.
16124	(vn_phi_lookup): Allocate temporary vn_phi_s on the stack.
16125	(vn_phi_insert): Allocate from obstack instead of from alloc-pool.
16126	(visit_reference_op_call): Likewise.
16127	(copy_nary, copy_phi, copy_reference): Remove.
16128	(process_scc): Rewind the obstack when iterating.  Do not
16129	copy the elements to valid_info but just move them from one
16130	hashtable to the other.
16131	(allocate_vn_table): Adjust.
16132	(free_vn_table): Likewise.
16133	(init_scc_vn): Likewise.
16134	(free_scc_vn): Likewise.
16135
161362018-07-19  H.J. Lu  <hongjiu.lu@intel.com>
16137
16138	PR target/86560
16139	* config/i386/i386.c (rest_of_insert_endbranch): Lookup
16140	indirect_return as function type attribute.
16141	(ix86_attribute_table): Change indirect_return to function
16142	type attribute.
16143	* doc/extend.texi: Update indirect_return attribute.
16144
161452018-07-19  Aldy Hernandez  <aldyh@redhat.com>
16146
16147	* wide-int.h (widest2_int): New.
16148	* gimple-fold.c (arith_overflowed_p): Use it.
16149	* tree.h (widest2_int_cst): New.
16150	* tree-vrp.c (wide_int_binop_overflow): Rename from
16151	vrp_int_const_binop.
16152	Rewrite to work on trees.
16153	(extract_range_from_multiplicative_op_1): Abstract code to...
16154	(wide_int_range_min_max): ...here.
16155	(wide_int_range_cross_product): ...and here.
16156	(extract_range_from_binary_expr_1): Abstract overflow code to...
16157	(wide_int_range_mult_wrapping): ...here.
16158	* tree-vrp.h (wide_int_range_cross_product): New.
16159	(wide_int_range_mult_wrapping): New.
16160
161612018-07-19  Andrew Senkevich  <andrew.senkevich@intel.com>
16162	    Julia Koval  <julia.koval@intel.com>
16163
16164	* config/i386/x86-tune-costs.h (skylake_memcpy,
16165	skylake_memset): Replace rep_prefix with unrolling for size 512.
16166
161672018-07-18  Kugan Vivekanandarajah  <kuganv@linaro.org>
16168
16169	PR middle-end/86544
16170	* tree-ssa-phiopt.c (cond_removal_in_popcount_pattern): Handle
16171	comparision with EQ_EXPR in last stmt.
16172
161732018-07-18  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16174
16175	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Rename
16176	this subsection to "PowerPC AltiVec/VSX Built-in Functions".
16177	(PowerPC AltiVec/VSX Built-in Functions): New name for subsection
16178	previously known as "PowerPC AltiVec Built-in Functions".  Move
16179	some material to new subsubsections "PowerPC AltiVec Built-in
16180	Functions on ISA 2.06" and "PowerPC AltiVec Built-in Functions on
16181	ISA 2.07".
16182	(PowerPC Altivec Built-in Functions on ISA 2.05): New subsubsection.
16183	(PowerPC Altivec Built-in Functions on ISA 2.06): Likewise.
16184	(PowerPC Altivec Built-in Functions on ISA 2.07): Likewise.
16185	(PowerPC Altivec Built-in Functions on ISA 3.0): Likewise.
16186
161872018-07-18  Richard Biener  <rguenther@suse.de>
16188
16189	PR tree-optimization/86557
16190	* tree-vect-patterns.c (vect_recog_divmod_pattern): Also handle
16191	EXACT_DIV_EXPR.
16192
161932018-07-18  Ilya Leoshkevich  <iii@linux.ibm.com>
16194
16195	* config/s390/s390.c (s390_function_profiler): Generate CFI.
16196
161972018-07-17  Jeff Law  <law@redhat.com>
16198
16199	* config/arm/arm.c (get_label_padding): Update for recent
16200	changes to label_to_alignment.
16201
16202	PR tree-optimization/86010
16203	* tree-ssa-dse.c (compute_trims): Fix typo/thinko.
16204
16205	* config/mips/mips.c (vr4130_align_insns): Update for recent
16206	changes to label_to_alignment.
16207
16208	* config/frv/frv.c (frv_label_align): Update for recent changes
16209	to label_to_alignment.
16210
16211	* config/nios2/nios2.c (nios2_label_align): Update for recent
16212	changes which dropped ALIGN_LABELS_LOG.
16213
162142018-07-17  Andreas Schwab  <schwab@linux-m68k.org>
16215
16216	* config/m68k/m68k.md (umulsi3_highpart+1, const_umulsi3_highpart)
16217	(smulsi3_highpart+1, const_smulsi3_highpart): Add CC_STATUS_INIT.
16218
162192018-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
16220
16221	* config/arc/arc.c (arc_label_align): Use align_labels instead of
16222	deprecated align_labels_log.
16223
162242018-07-17  Richard Biener  <rguenther@suse.de>
16225
16226	PR lto/86456
16227	* dwarf2out.c (init_sections_and_labels): Always generate
16228	a debug_line_str_section for early LTO debug.
16229	(dwarf2out_finish): Reset debug_line_str_hash output early.
16230	Bump counter for extra dwarf5 .debug_loc labels to not conflict
16231	with fat LTO part.
16232	(dwarf2out_early_finish): Output debug_line_str.
16233
162342018-07-17  Robin Dapp  <rdapp@linux.ibm.com>
16235
16236	* config/s390/s390.c (preferred_la_operand_p): Do not use LA with
16237	index register on z196 or later.
16238
162392018-07-17  Robin Dapp  <rdapp@linux.ibm.com>
16240
16241	* config/s390/s390.c (s390_default_align): Set default function
16242	alignment to 16.
16243	(s390_override_options_after_change): Call s390_default align.
16244	(s390_option_override_internal): Call s390_default_align.
16245	(TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define.
16246
162472018-07-17  Jakub Jelinek  <jakub@redhat.com>
16248
16249	PR middle-end/86542
16250	* omp-low.c (create_task_copyfn): Copy over also fields corresponding
16251	to _looptemp_ clauses, other than the first two.
16252
162532018-07-17  Martin Liska  <mliska@suse.cz>
16254
16255	* opts.c: Do not enable OPT_falign_* for -Os.
16256
162572018-07-17  Martin Liska  <mliska@suse.cz>
16258
16259	* align.h (MAX_CODE_ALIGN): New.
16260	(MAX_CODE_ALIGN_VALUE): New.
16261	* common/config/i386/i386-common.c (ix86_handle_option):
16262	(MAX_CODE_ALIGN): Moved to align.h.
16263	* final.c (MAX_CODE_ALIGN): Likewise.
16264	* opts.c (parse_and_check_align_values):
16265	(MAX_CODE_ALIGN): Likewise.
16266	(MAX_CODE_ALIGN_VALUE): Likewise.
16267
162682018-07-17  Martin Liska  <mliska@suse.cz>
16269
16270	* config/i386/att.h (ASM_OUTPUT_ALIGN): Fix spacing
16271	in order to fulfil coding style.
16272	* config/i386/cygming.h (ASM_OUTPUT_ALIGN): Likewise.
16273	* config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
16274	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
16275	* config/iq2000/iq2000.h (ASM_OUTPUT_ALIGN): Likewise.
16276	* config/pa/pa.h (ASM_OUTPUT_ALIGN): Likewise.
16277	* config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): Likewise.
16278	* config/sparc/sparc.h (ASM_OUTPUT_ALIGN): Likewise.
16279	* config/visium/visium.h (ASM_OUTPUT_ALIGN): Likewise.
16280	(ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
16281
162822018-07-17  Martin Liska  <mliska@suse.cz>
16283
16284	* align.h: New file.
16285	* config/alpha/alpha.c (alpha_align_insns_1): Use align_functions
16286	directly.
16287	* config/i386/i386.c (ix86_avoid_jump_mispredicts): Use new return type
16288	align_flags of label_to_alignment.
16289	* config/m32r/m32r.h (LOOP_ALIGN): Wrap returned values into
16290	align_flags class.
16291	* config/m68k/m68k.c: Do not use removed align_labels_value and
16292	align_loops_value.
16293	* config/nds32/nds32.h (JUMP_ALIGN): Wrap result into align_flags class.
16294	(LOOP_ALIGN): Likewise.
16295	(LABEL_ALIGN): Likewise.
16296	* config/powerpcspe/powerpcspe.c (TARGET_ASM_LOOP_ALIGN_MAX_SKIP):
16297	Remove not used macro.
16298	(rs6000_loop_align): Change return type to align_flags.
16299	(rs6000_loop_align_max_skip): Remove.
16300	* config/rs6000/rs6000-protos.h (rs6000_loop_align):
16301	Change return type to align_flags.
16302	* config/rs6000/rs6000.c (TARGET_ASM_LOOP_ALIGN_MAX_SKIP):
16303	Remove not used macro.
16304	(rs6000_loop_align):  Change return type to align_flags.
16305	(rs6000_loop_align_max_skip): Remove.
16306	* config/rx/rx.h (JUMP_ALIGN): Wrap integer values
16307	* config/rx/rx-protos.h (rx_align_for_label): Make it
16308	static function.
16309	* config/rx/rx.c (rx_align_for_label): Change return type
16310	to align_flags.
16311	(rx_max_skip_for_label): Remove TARGET_ASM_*_ALIGN_MAX_SKIP
16312	macro definitions.
16313	into align_flags class.
16314	(LABEL_ALIGN): Likewise.
16315	(LOOP_ALIGN): Likewise.
16316	* config/s390/s390.c (s390_label_align): Use align_flags
16317	class member.
16318	(s390_asm_output_function_label): Likewise.
16319	* config/sh/sh.c (sh_override_options_after_change):
16320	Use align_flags class directly without macros.
16321	(find_barrier): Likewise.
16322	(barrier_align): Likewise.
16323	(sh_loop_align): Likewise.
16324	* config/spu/spu.c (spu_option_override):
16325	Use align_flags_tuple::get_value instead of removed macros.
16326	(spu_sched_init): Likewise.
16327	* config/spu/spu.h (GTY): Likewise.
16328	* config/visium/visium.c (visium_option_override):
16329	Set "8" as default secondary alignment.
16330	* config/visium/visium.h (SUBALIGN_LOG): Define to 3
16331	in order to guarantee secondary alignment of 8.
16332	* coretypes.h: Include align.h header file.
16333	* doc/tm.texi: Remove TARGET_ASM_JUMP_ALIGN_MAX_SKIP,
16334	TARGET_ASM_LOOP_ALIGN_MAX_SKIP, TARGET_ASM_LABEL_ALIGN_MAX_SKIP
16335	and TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP macros.
16336	* doc/tm.texi.in: Likewise.
16337	* final.c (struct label_alignment): Remove not used structure.
16338	(LABEL_ALIGN): Change type to align_flags.
16339	(LOOP_ALIGN): Likewise.
16340	(JUMP_ALIGN): Likewise.
16341	(default_loop_align_max_skip): Remove.
16342	(default_label_align_max_skip): Likewise.
16343	(default_jump_align_max_skip): Likewise.
16344	(default_label_align_after_barrier_max_skip):
16345	(LABEL_TO_ALIGNMENT): Change to access label_align vector.
16346	(LABEL_TO_MAX_SKIP): Remove.
16347	(label_to_alignment): Return align_flags type instead of integer.
16348	(label_to_max_skip): Remove.
16349	(align_fuzz): Use align_flags type.
16350	(compute_alignments): Use align_flags type and use align_flags::max
16351	to combine multiple alignments.
16352	(grow_label_align): Grow vec instead of C array.
16353	(update_alignments): Assign just LABEL_TO_ALIGNMENT.
16354	(shorten_branches):  Use align_flags type and use align_flags::max
16355	to combine multiple alignments.
16356	(final_scan_insn_1): Remove usage of secondary alignment that comes
16357	from label alignment, but instead use proper secondary alignment
16358	which is computed in grow_label_align.
16359	* flags.h (struct align_flags_tuple): Move to align.h.
16360	(struct align_flags): Likewise.
16361	(state_align_loops): Rename to align_loops.
16362	(state_align_jumps): Rename to align_jumps.
16363	(state_align_labels): Rename to align_labels.
16364	(state_align_functions): Rename to align_functions.
16365	(align_loops_log): Remove.
16366	(align_jumps_log): Remove.
16367	(align_labels_log): Remove.
16368	(align_functions_log): Remove.
16369	(align_loops_max_skip): Remove.
16370	(align_jumps_max_skip): Remove.
16371	(align_labels_max_skip): Remove.
16372	(align_functions_max_skip): Remove.
16373	(align_loops_value): Remove.
16374	(align_jumps_value): Remove.
16375	(align_labels_value): Remove.
16376	(align_functions_value): Remove.
16377	* output.h (label_to_alignment): Change return type to align_flags.
16378	(label_to_max_skip): Remove.
16379	* target.def: Remove loop_align_max_skip, label_align_max_skip,
16380	jump_align_max_skip macros.
16381	* targhooks.h (default_loop_align_max_skip): Remove.
16382	(default_label_align_max_skip): Likewise.
16383	(default_jump_align_max_skip): Likewise.
16384	(default_label_align_after_barrier_max_skip): Remove.
16385	* toplev.c (read_log_maxskip): Use ::normalize function.
16386	(parse_N_M): Remove not used argument and also call ::normalize.
16387	(parse_alignment_opts): Do not pass unused arguments.
16388	* varasm.c (assemble_start_function): Use directly align_functions
16389	instead of removed macros.
16390	* system.h: Do not poison removed macros.
16391
163922018-07-17  Jakub Jelinek  <jakub@redhat.com>
16393
16394	PR middle-end/86539
16395	* gimplify.c (gimplify_omp_for): Ensure taskloop firstprivatized init
16396	and cond temporaries don't have reference type if iterator has
16397	pointer type.  For init use &for_pre_body instead of pre_p if
16398	for_pre_body is non-empty.
16399
164002018-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
16401
16402	* config/rs6000/rs6000.md (trunc<mode>sf2): Expand truncates of
16403	double-double modes to SFmode directly directly.
16404	(trunc<mode>sf2_fprs): Delete.
16405
164062018-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
16407
16408	* config/rs6000/rs6000.c (init_float128_ibm): Use the correct names
16409	for conversions between IFmode and the decimal floating point modes.
16410	(init_float128_ieee): Use the correct names for conversions between
16411	KFmode and the decimal floating point modes.
16412
164132018-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
16414
16415	* config/rs6000/rs6000.c (init_float128_ibm): Use more correct names
16416	for the conversions between TDmode and IFmode.
16417	(init_float128_ieee): Use more correct names for the conversions
16418	between TDmode and KFmode.
16419
164202018-07-16  Jakub Jelinek  <jakub@redhat.com>
16421
16422	PR tree-optimization/86526
16423	* builtins.c (expand_builtin_memcmp): Formatting fixes.
16424	(inline_expand_builtin_string_cmp): Likewise.
16425	(inline_string_cmp): Likewise.  Use c_readstr instead of
16426	builtin_memcpy_read_str.  Add unit_mode temporary.
16427
164282018-07-16  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16429
16430	PR middle-end/86528
16431	* builtins.c (check_access): Bail out if range[0] is no INTEGER_CST.
16432	* expr.c (string_constant): Fix the element size of ARRAY_TYPE.
16433
164342018-07-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16435
16436	* doc/extend.texi (PowerPC AltiVec Built-in Functions):
16437	Alphabetize prototypes of built-in functions, separating out
16438	built-in functions that are listed in this section but should be
16439	described elsewhere.
16440
164412018-07-16  Uros Bizjak  <ubizjak@gmail.com>
16442
16443	PR target/86511
16444	* expmed.c (emit_store_flag): Do not emit setcc followed by a
16445	conditional move when trapping comparison was split to a
16446	non-trapping one (and vice versa).
16447
164482018-07-16  Ilya Leoshkevich  <iii@linux.ibm.com>
16449
16450	* config/s390/s390.c (s390_function_profiler): Generate nops
16451	instead of profiler call sequences.
16452	* config/s390/s390.opt: Add the new option.
16453
164542018-07-16  Ilya Leoshkevich  <iii@linux.ibm.com>
16455
16456	* config/s390/s390.c (s390_function_profiler): Generate
16457	__mcount_loc section.
16458	* config/s390/s390.opt: Add the new option.
16459
164602018-07-16  Ilya Leoshkevich  <iii@linux.ibm.com>
16461
16462	* common.opt: Add the new warning.
16463	* config/s390/s390.c (s390_function_profiler): Emit "brasl
16464	%r0,__fentry__" when -mfentry is specified.
16465	(s390_option_override_internal): Disallow -mfentry for 31-bit
16466	CPUs.
16467	* config/s390/s390.opt: Add the new option.
16468
164692018-07-16  Richard Biener  <rguenther@suse.de>
16470
16471	PR lto/86523
16472	* dwarf2out.c (dwarf2out_register_external_die): Assign DIE parents
16473	for function-local FUNCTION_DECL and RESULT_DECL immediately.
16474
164752018-07-16  Martin Liska  <mliska@suse.cz>
16476
16477	PR ipa/86529
16478	* ipa-pure-const.c (malloc_candidate_p): Revert ::get
16479	to ::get_create.
16480
164812017-07-16  Claudiu Zissulescu  <claziss@synopsys.com>
16482
16483	* config/arc/arcHS.md: Update ARCHS scheduling rules.
16484
164852017-07-16  Claudiu Zissulescu  <claziss@synopsys.com>
16486
16487	* config/arc/arc-arch.h (arc_tune_attr): Add new tune parameters
16488	for ARCHS4x.
16489	* config/arc/arc-cpus.def (hs4x): New cpu.
16490	(hs4xd): Likewise.
16491	* config/arc/arc-tables.opt: Regenerate.
16492	* config/arc/arc.c (arc_sched_issue_rate): New function.
16493	(TARGET_SCHED_ISSUE_RATE): Define.
16494	(TARGET_SCHED_EXPOSED_PIPELINE): Likewise.
16495	* config/arc/arc.md (attr type): Add fpu_fuse, fpu_sdiv, fpu_ddiv,
16496	fpu_cvt.
16497	(attr tune): Add ARCHS4x tune values.
16498	(attr tune_dspmpy): Define.
16499	(*tst): Correct instruction type.
16500	* config/arc/arcHS.md: Don't use this automaton for ARCHS4x cpus.
16501	* config/arc/arcHS4x.md: New file.
16502	* config/arc/fpu.md: Update instruction type attributes.
16503	* config/arc/t-multilib: Regenerate.
16504
165052018-07-16  Tom de Vries  <tdevries@suse.de>
16506
16507	PR debug/86455
16508	* var-tracking.c (vt_initialize): Fix pre_dec handling.
16509
165102018-07-16  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16511
16512	* config/aarch64/atomics.md (aarch64_store_execlusive<mode>): Add
16513	early clobber.
16514
165152018-07-16  Eric Botcazou  <ebotcazou@adacore.com>
16516
16517	PR tree-optimization/86514
16518	* tree-ssa-reassoc.c (init_range_entry) <CASE_CONVERT>: Return for a
16519	conversion to a boolean type from a type with greater precision.
16520
165212018-07-16  Tom de Vries  <tdevries@suse.de>
16522
16523	* var-tracking.c (vt_initialize): Print adjusted insn slim if
16524	dump_flags request TDF_SLIM.
16525
165262018-07-16  Aldy Hernandez  <aldyh@redhat.com>
16527
16528	* fold-const.c (int_const_binop_1): Abstract...
16529	(wide_int_binop): ...wide int code here.
16530	(poly_int_binop): ...poly int code here.
16531	Abstract the rest of int_const_binop_1 into int_const_binop.
16532	* fold-const.h (wide_int_binop): New.
16533	* tree-vrp.c (vrp_int_const_binop): Call wide_int_binop.
16534	Remove useless PLUS/MINUS_EXPR case.
16535	(zero_nonzero_bits_from_vr): Move wide int code...
16536	(zero_nonzero_bits_from_bounds): ...here.
16537	(extract_range_from_binary_expr_1): Move mask optimization code...
16538	(range_easy_mask_min_max): ...here.
16539	* tree-vrp.h (zero_nonzero_bits_from_bounds): New.
16540	(range_easy_mask_min_max): New.
16541
165422018-07-15  Jeff Law  <law@redhat.com>
16543
16544	PR target/85993
16545	* config/sh/sh.c (output_mi_thunk): Remove dead conditional
16546	block.
16547
165482018-07-14  Jim Wilson  <jimw@sifive.com>
16549
16550	* config/riscv/linux.h (TARGET_ASM_FILE_END): New.
16551
165522018-07-14  Paul Koning  <ni1d@arrl.net>
16553
16554	* config/pdp11/pdp11.c (pdp11_rtx_costs): Bugfixes.
16555
165562018-07-13  Jan Hubicka  <hubicka@ucw.cz>
16557
16558	* lto-streamer-out.c (copy_function_or_variable): Dump info about
16559	copying section.
16560
165612018-07-13  Bill Schmidt  <wschmidt@linux.ibm.com>
16562	    Steve Munroe  <munroesj52@gmail.com>
16563
16564	* config/rs6000/emmintrin.h (_mm_and_si128): New function.
16565	(_mm_andnot_si128): Likewise.
16566	(_mm_or_si128): Likewise.
16567	(_mm_xor_si128): Likewise.
16568
165692018-07-13  Qing Zhao  <qing.zhao@oracle.com>
16570
16571	PR middle-end/78809
16572	* builtins.c (expand_builtin_memcmp): Inline the calls first
16573	when result_eq is false.
16574	(expand_builtin_strcmp): Inline the calls first.
16575	(expand_builtin_strncmp): Likewise.
16576	(inline_string_cmp): New routine. Expand a string compare
16577	call by using a sequence of char comparison.
16578	(inline_expand_builtin_string_cmp): New routine. Inline expansion
16579	a call to str(n)cmp/memcmp.
16580	* doc/invoke.texi (--param builtin-string-cmp-inline-length):
16581	New option.
16582	* params.def (BUILTIN_STRING_CMP_INLINE_LENGTH): New.
16583
165842018-07-13  Richard Earnshaw  <rearnsha@arm.com>
16585
16586	* config/arm/driver-arm.c: Include arm-native.h.
16587	(host_detect_local_cpu): Use auto-generated data tables.
16588	(vendors, arm_cpu_table): Delete.  Move part information to ...
16589	* config/arm/arm-cpus.in: ... here.
16590	* config/arm/parsecpu.awk (gen_native): New function.
16591	(vendor, part): New CPU fields.
16592	(END): Add support for building the native CPU detection tables.
16593	* config/arm/t-arm (arm-native.h): Add build rule.
16594	(driver-arm.o): Add dependency on arm-native.h.
16595
165962018-07-13  Richard Biener  <rguenther@suse.de>
16597
16598	PR middle-end/85974
16599	* match.pd (addr1 - addr2): Allow either of the operand to
16600	have a conversion.
16601
166022018-07-13  Tom de Vries  <tdevries@suse.de>
16603
16604	* tree-inline.c (remap_ssa_name): Save and reuse debug exprs generated
16605	in remap_ssa_name.
16606
166072018-07-13  Jackson Woodruff  <jackson.woodruff@arm.com>
16608
16609	* config/aarch64/aarch64.c (aarch64_operands_adjust_ok_for_ldpstp): Use
16610	arrays instead of numbered variables.
16611
166122018-07-13  Eric Botcazou  <ebotcazou@adacore.com>
16613
16614	* config/sparc/sparc-protos.h (sparc_compute_frame_size): Delete.
16615	* config/sparc/sparc.c (sparc_compute_frame_size): Make static.
16616
166172018-07-13  Richard Biener  <rguenther@suse.de>
16618
16619	PR debug/86452
16620	* dwarf2out.c (gen_type_die_with_usage): Use scope_die_for
16621	instead of get_context_die.
16622
166232018-07-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
16624	    Richard Biener  <rguenther@suse.de>
16625
16626	PR middle-end/86489
16627	* tree-ssa-loop-niter.c (number_of_iterations_popcount): Check
16628	that the loop latch destination where phi is defined.
16629
166302018-07-12  Kito Cheng  <kito.cheng@gmail.com>
16631
16632	* config/riscv/riscv.c (enum riscv_privilege_levels): Add UNKNOWN_MODE.
16633	(riscv_expand_epilogue): Add assertion to check interrupt mode.
16634	(riscv_set_current_function): Extract getting interrupt type to new
16635	function.
16636	(riscv_get_interrupt_type): New function.
16637	(riscv_merge_decl_attributes): New function, checking interrupt type is
16638	same.
16639	(TARGET_MERGE_DECL_ATTRIBUTES): Define.
16640
166412018-07-12  Paul Koning  <ni1d@arrl.net>
16642
16643	* config/pdp11/pdp11.c (pdp11_output_def): Fix typo in .set
16644	directive.
16645
166462018-07-12  Paul Koning  <ni1d@arrl.net>
16647
16648	* doc/rtl.texi (REG_NONNEG): Remove decrement and branch until
16649	zero reference, add doloop_end instead.
16650	* doc/md.texi (decrement_and_branch_until_zero): Remove.
16651	(Looping patterns): Remove decrement_and_branch_until_zero.  Add
16652	detail for doloop_end.
16653
166542018-07-12  Martin Sebor  <msebor@redhat.com>
16655
16656	PR c/86453
16657	* attribs.c (decl_attributes): Reject conflicting attributes before
16658	calling attribute handlers.
16659
166602018-07-12  Jan Hubicka  <hubicka@ucw.cz>
16661
16662	* dumpfile.c (gcc::dump_manager::get_dump_file_name): Add PART
16663	 parameter.
16664	(gcc::dump_manager::get_dump_file_name): likewise.
16665	(dump_begin): Likewise.
16666	* dumpfile.h (dump_begin): Update prototype.
16667	(gcc::dump_manager::get_dump_file_name,
16668	gcc::dump_manager::get_dump_file_name): Update prototype.
16669
166702018-07-12  Richard Sandiford  <richard.sandiford@linaro.org>
16671
16672	* internal-fn.h (vectorizable_internal_fn_p): New function.
16673	* tree-vect-slp.c (compatible_calls_p): Likewise.
16674	(vect_build_slp_tree_1): Remove nops argument.  Handle calls
16675	to internal functions.
16676	(vect_build_slp_tree_2): Update call to vect_build_slp_tree_1.
16677
166782018-07-12  Richard Sandiford  <richard.sandiford@linaro.org>
16679
16680	* fold-const.h (inverse_conditions_p): Declare.
16681	* fold-const.c (inverse_conditions_p): New function.
16682	* match.pd: Use inverse_conditions_p.  Add folds of view_converts
16683	that test the inverse condition of a conditional internal function.
16684	* internal-fn.h (vectorized_internal_fn_supported_p): Declare.
16685	* internal-fn.c (internal_fn_mask_index): Handle conditional
16686	internal functions.
16687	(vectorized_internal_fn_supported_p): New function.
16688	* tree-if-conv.c: Include internal-fn.h and fold-const.h.
16689	(any_pred_load_store): Replace with...
16690	(need_to_predicate): ...this new variable.
16691	(redundant_ssa_names): New variable.
16692	(ifcvt_can_use_mask_load_store): Move initial checks to...
16693	(ifcvt_can_predicate): ...this new function.  Handle tree codes
16694	for which a conditional internal function exists.
16695	(if_convertible_gimple_assign_stmt_p): Use ifcvt_can_predicate
16696	instead of ifcvt_can_use_mask_load_store.  Update after variable
16697	name change.
16698	(predicate_load_or_store): New function, split out from
16699	predicate_mem_writes.
16700	(check_redundant_cond_expr): New function.
16701	(value_available_p): Likewise.
16702	(predicate_rhs_code): Likewise.
16703	(predicate_mem_writes): Rename to...
16704	(predicate_statements): ...this.  Use predicate_load_or_store
16705	and predicate_rhs_code.
16706	(combine_blocks, tree_if_conversion): Update after above name changes.
16707	(ifcvt_local_dce): Handle redundant_ssa_names.
16708	* tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Handle
16709	general conditional functions.
16710	* tree-vect-stmts.c (vectorizable_call): Likewise.
16711
167122018-07-12  Richard Sandiford  <richard.sandiford@linaro.org>
16713	    Alan Hayward  <alan.hayward@arm.com>
16714	    David Sherwood  <david.sherwood@arm.com>
16715
16716	* internal-fn.h (can_interpret_as_conditional_op_p): Declare.
16717	* internal-fn.c (can_interpret_as_conditional_op_p): New function.
16718	* tree-ssa-math-opts.c (convert_mult_to_fma_1): Handle conditional
16719	plus and minus and convert them into IFN_COND_FMA-based sequences.
16720	(convert_mult_to_fma): Handle conditional plus and minus.
16721
167222018-07-12  Richard Sandiford  <richard.sandiford@linaro.org>
16723
16724	* doc/md.texi (cond_fma, cond_fms, cond_fnma, cond_fnms): Document.
16725	* optabs.def (cond_fma_optab, cond_fms_optab, cond_fnma_optab)
16726	(cond_fnms_optab): New optabs.
16727	* internal-fn.def (COND_FMA, COND_FMS, COND_FNMA, COND_FNMS): New
16728	internal functions.
16729	(FMA): Use DEF_INTERNAL_FLT_FN rather than DEF_INTERNAL_FLT_FLOATN_FN.
16730	* internal-fn.h (get_conditional_internal_fn): Declare.
16731	(get_unconditional_internal_fn): Likewise.
16732	* internal-fn.c (cond_ternary_direct): New macro.
16733	(expand_cond_ternary_optab_fn): Likewise.
16734	(direct_cond_ternary_optab_supported_p): Likewise.
16735	(FOR_EACH_COND_FN_PAIR): Likewise.
16736	(get_conditional_internal_fn): New function.
16737	(get_unconditional_internal_fn): Likewise.
16738	* gimple-match.h (gimple_match_op::MAX_NUM_OPS): Bump to 5.
16739	(gimple_match_op::gimple_match_op): Add a new overload for 5
16740	operands.
16741	(gimple_match_op::set_op): Likewise.
16742	(gimple_resimplify5): Declare.
16743	* genmatch.c (decision_tree::gen): Generate simplifications for
16744	5 operands.
16745	* gimple-match-head.c (gimple_simplify): Define an overload for
16746	5 operands.  Handle calls with 5 arguments in the top-level overload.
16747	(convert_conditional_op): Handle conversions from unconditional
16748	internal functions to conditional ones.
16749	(gimple_resimplify5): New function.
16750	(build_call_internal): Pass a fifth operand.
16751	(maybe_push_res_to_seq): Likewise.
16752	(try_conditional_simplification): Try converting conditional
16753	internal functions to unconditional internal functions.
16754	Handle 3-operand unconditional forms.
16755	* match.pd (UNCOND_TERNARY, COND_TERNARY): Operator lists.
16756	Define ternary equivalents of the current rules for binary conditional
16757	internal functions.
16758	* config/aarch64/aarch64.c (aarch64_preferred_else_value): Handle
16759	ternary operations.
16760	* config/aarch64/iterators.md (UNSPEC_COND_FMLA, UNSPEC_COND_FMLS)
16761	(UNSPEC_COND_FNMLA, UNSPEC_COND_FNMLS): New unspecs.
16762	(optab): Handle them.
16763	(SVE_COND_FP_TERNARY): New int iterator.
16764	(sve_fmla_op, sve_fmad_op): New int attributes.
16765	* config/aarch64/aarch64-sve.md (cond_<optab><mode>)
16766	(*cond_<optab><mode>_2, *cond_<optab><mode_4)
16767	(*cond_<optab><mode>_any): New SVE_COND_FP_TERNARY patterns.
16768
167692018-07-12  Richard Sandiford  <richard.sandiford@linaro.org>
16770
16771	* target.def (preferred_else_value): New target hook.
16772	* doc/tm.texi.in (TARGET_PREFERRED_ELSE_VALUE): New hook.
16773	* doc/tm.texi: Regenerate.
16774	* targhooks.h (default_preferred_else_value): Declare.
16775	* targhooks.c (default_preferred_else_value): New function.
16776	* internal-fn.h (conditional_internal_fn_code): Declare.
16777	* internal-fn.c (FOR_EACH_CODE_MAPPING): New macro.
16778	(get_conditional_internal_fn): Use it.
16779	(conditional_internal_fn_code): New function.
16780	* gimple-match.h (gimple_match_cond): New struct.
16781	(gimple_match_op): Add a cond member function.
16782	(gimple_match_op::gimple_match_op): Update all forms to take a
16783	gimple_match_cond.
16784	* genmatch.c (expr::gen_transform): Use the same condition as res_op
16785	for the suboperation, but don't specify a particular else_value.
16786	* tree-ssa-sccvn.c (vn_nary_simplify, vn_reference_lookup_3)
16787	(visit_nary_op, visit_reference_op_load): Pass
16788	gimple_match_cond::UNCOND to the gimple_match_op constructor.
16789	* gimple-match-head.c: Include tree-eh.h
16790	(convert_conditional_op): New function.
16791	(maybe_resimplify_conditional_op): Likewise.
16792	(gimple_resimplify1): Call maybe_resimplify_conditional_op.
16793	(gimple_resimplify2): Likewise.
16794	(gimple_resimplify3): Likewise.
16795	(gimple_resimplify4): Likewise.
16796	(maybe_push_res_to_seq): Return null for conditional operations.
16797	(try_conditional_simplification): New function.
16798	(gimple_simplify): Call it.  Pass conditions to the gimple_match_op
16799	constructor.
16800	* match.pd: Fold VEC_COND_EXPRs of an IFN_COND_* call to a new
16801	IFN_COND_* call.
16802	* config/aarch64/aarch64.c (aarch64_preferred_else_value): New
16803	function.
16804	(TARGET_PREFERRED_ELSE_VALUE): Redefine.
16805
168062018-07-12  Jan Hubicka  <hubicka@ucw.cz>
16807
16808	* lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream
16809	DECL_FCONTEXT
16810	(hash_tree): Do not hash DECL_FCONTEXT
16811	* tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
16812	Do not stream DECL_FCONTEXT.
16813	* tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
16814	* tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
16815
168162018-07-12  Richard Biener  <rguenther@suse.de>
16817
16818	PR debug/86462
16819	* dwarf2out.c (gen_block_die): Only output blocks when they have
16820	at least one !DECL_IGNORED_P variable.
16821
168222018-07-12  Richard Biener  <rguenther@suse.de>
16823
16824	PR target/84829
16825	* config/gnu-user.h (GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC):
16826	Remove -mieee-fp handling.
16827
168282018-07-12  Richard Biener  <rguenther@suse.de>
16829
16830	* tree-ssa-sccvn.c (vn_lookup_simplify_result): Remove bogus
16831	left-over from last patch.
16832
168332018-07-12  Jakub Jelinek  <jakub@redhat.com>
16834
16835	PR tree-optimization/86492
16836	* gimple-ssa-store-merging.c
16837	(imm_store_chain_info::coalesce_immediate_stores): Call
16838	check_no_overlap even for the merge_overlapping case.  Formatting fix.
16839
168402018-07-12  Richard Biener  <rguenther@suse.de>
16841
16842	PR middle-end/86479
16843	* fold-const.c (fold_binary_op_with_conditional_arg): Do not
16844	move possibly trapping operations into the conditional.
16845
168462018-07-12  Richard Biener  <rguenther@suse.de>
16847
16848	* tree-ssa-sccvn.c (mprts_hook_cnt): Remove.
16849	(vn_lookup_simplify_result): Remove recursion limit applied
16850	here.
16851	(vn_nary_build_or_lookup_1): Adjust.
16852	(try_to_simplify): Likewise.
16853	* gimple-match-head.c (gimple_resimplify1): Instead apply one
16854	here.
16855	(gimple_resimplify2): Likewise.
16856	(gimple_resimplify3): Likewise.
16857	(gimple_resimplify4): Likewise.
16858
168592018-07-11  Jakub Jelinek  <jakub@redhat.com>
16860
16861	* config/i386/avx512bitalgintrin.h (_mm512_mask_bitshuffle_epi64_mask):
16862	Use __mmask64 type instead of __mmask8 for __M argument.
16863	* config/i386/avx512fintrin.h (_mm512_mask_xor_epi64,
16864	_mm512_maskz_xor_epi64): Use __mmask8 type instead of __mmask16 for
16865	__U argument.
16866	(_mm512_mask_cmpneq_epi64_mask): Use __mmask8 type instead of
16867	__mmask16 for __M argument.
16868	(_mm512_maskz_insertf32x4, _mm512_maskz_inserti32x4,
16869	_mm512_mask_insertf32x4, _mm512_mask_inserti32x4): Cast last argument
16870	to __mmask16 instead of __mmask8.
16871	* config/i386/avx512vlintrin.h (_mm_mask_add_ps, _mm_maskz_add_ps,
16872	_mm256_mask_add_ps, _mm256_maskz_add_ps, _mm_mask_sub_ps,
16873	_mm_maskz_sub_ps, _mm256_mask_sub_ps, _mm256_maskz_sub_ps,
16874	_mm256_maskz_cvtepi32_ps, _mm_maskz_cvtepi32_ps): Use __mmask8 type
16875	instead of __mmask16 for __U argument.
16876	* config/i386/avx512vlbwintrin.h (_mm_mask_cmp_epi8_mask): Use
16877	__mmask16 instead of __mmask8 for __U argument.
16878	(_mm256_mask_cmp_epi8_mask): Use __mmask32 instead of __mmask16 for
16879	__U argument.
16880	(_mm256_cmp_epi8_mask): Use __mmask32 return type instead of
16881	__mmask16.
16882	(_mm_mask_cmp_epu8_mask): Use __mmask16 instead of __mmask8 for __U
16883	argument.
16884	(_mm256_mask_cmp_epu8_mask): Use __mmask32 instead of __mmask16 for
16885	__U argument.
16886	(_mm256_cmp_epu8_mask): Use __mmask32 return type instead of
16887	__mmask16.
16888	(_mm_mask_cmp_epi16_mask): Cast last argument to __mmask8 instead
16889	of __mmask16.
16890	(_mm256_mask_cvtepi8_epi16): Use __mmask16 instead of __mmask32 for
16891	__U argument.
16892	(_mm_mask_cvtepi8_epi16): Use __mmask8 instead of __mmask32 for
16893	__U argument.
16894	(_mm256_mask_cvtepu8_epi16): Use __mmask16 instead of __mmask32 for
16895	__U argument.
16896	(_mm_mask_cvtepu8_epi16): Use __mmask8 instead of __mmask32 for
16897	__U argument.
16898	(_mm256_mask_cmpneq_epu8_mask, _mm256_mask_cmplt_epu8_mask,
16899	_mm256_mask_cmpge_epu8_mask, _mm256_mask_cmple_epu8_mask): Change
16900	return type as well as __M argument type and all casts from __mmask8
16901	to __mmask32.
16902	(_mm256_mask_cmpneq_epu16_mask, _mm256_mask_cmplt_epu16_mask,
16903	_mm256_mask_cmpge_epu16_mask, _mm256_mask_cmple_epu16_mask): Change
16904	return type as well as __M argument type and all casts from __mmask8
16905	to __mmask16.
16906	(_mm256_mask_cmpneq_epi8_mask, _mm256_mask_cmplt_epi8_mask,
16907	_mm256_mask_cmpge_epi8_mask, _mm256_mask_cmple_epi8_mask): Change
16908	return type as well as __M argument type and all casts from __mmask8
16909	to __mmask32.
16910	(_mm256_mask_cmpneq_epi16_mask, _mm256_mask_cmplt_epi16_mask,
16911	_mm256_mask_cmpge_epi16_mask, _mm256_mask_cmple_epi16_mask): Change
16912	return type as well as __M argument type and all casts from __mmask8
16913	to __mmask16.
16914	* config/i386/avx512vbmi2vlintrin.h (_mm_mask_shrdi_epi32,
16915	_mm_mask_shldi_epi32): Cast last argument to __mmask8 instead of
16916	__mmask16.
16917
169182018-07-11  Grazvydas Ignotas  <notasas@gmail.com>
16919
16920	* config/i386/avx512bwintrin.h: (_mm512_mask_cmp_epi8_mask,
16921	_mm512_mask_cmp_epu8_mask): Use __mmask64 type instead of __mmask32
16922	for __U argument.
16923
169242018-07-11  Paul Koning  <ni1d@arrl.net>
16925
16926	* doc/md.texi (define_subst): Document how multiple occurrences of
16927	the same argument in the replacement pattern are handled.
16928
169292018-07-11  Paul Koning  <ni1d@arrl.net>
16930
16931	* doc/extend.texi (Common Variable Attributes): Move "mode" into
16932	alphabetical order.
16933	(Common Type Attributes): Add "mode" attribute.
16934
169352018-07-11  Jan Hubicka  <hubicka@ucw.cz>
16936
16937	* lto-streamer-out.c (DFS::DFS_write_tree_body): Do not
16938	stream DECL_ORIGINAL_TYPE.
16939	(DFS::DFS_write_tree_body): Drop hack handling local external decls.
16940	(hash_tree): Do not walk DECL_ORIGINAL_TYPE.
16941	* tree-streamer-in.c (lto_input_ts_decl_non_common_tree_pointers):
16942	Do not walk original type.
16943	* tree-streamer-out.c (streamer_write_chain): Drop hack handling
16944	external decls.
16945	(write_ts_decl_non_common_tree_pointers): Do not stream
16946	DECL_ORIGINAL_TYPE
16947	* tree.c (free_lang_data_in_decl): Clear DECL_ORIGINAL_TYPE.
16948	(find_decls_types_r): Do not walk DEC_ORIGINAL_TYPE.
16949
169502018-07-11  Aldy Hernandez  <aldyh@redhat.com>
16951
16952	* tree-ssa-threadupdate.c (thread_through_all_blocks): Do not jump
16953	thread twice from the same starting edge.
16954
169552018-07-11  Aldy Hernandez  <aldyh@redhat.com>
16956
16957	* vr-values.c (gimple_stmt_nonzero_p): Abstract common code to...
16958	* gimple.c (gimple_call_nonnull_result_p): ...here...
16959	(gimple_call_nonnull_arg): ...and here.
16960	* gimple.h (gimple_call_nonnull_result_p): New.
16961	(gimple_call_nonnull_arg): New.
16962
169632018-07-11  Richard Earnshaw  <rearnsha@arm.com>
16964
16965	* config/arm/arm-cpus.in: Move information from fpu field of each
16966	cpu definition to the isa field.
16967	* config/arm/parsecpu.awk (fpu): Delete match rule.
16968	(gen_comm_data): Don't add bits from the CPU's FPU entry.
16969
169702018-07-11  Richard Biener  <rguenther@suse.de>
16971
16972	PR debug/86457
16973	* dwarf2out.c (init_sections_and_labels): Use
16974	output_asm_line_debug_info consistently.
16975	(dwarf2out_early_finish): Likewise.
16976	(dwarf2out_finish): Remove DW_AT_stmt_list from early generated
16977	type units.
16978
169792018-07-11  Richard Biener  <rguenther@suse.de>
16980
16981	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1):
16982	Rework father_bb setting in a way to avoid propagating constants
16983	multiple times on a loop body.
16984
169852018-07-10  Mark Wielaard  <mark@klomp.org>
16986
16987	PR debug/86459
16988	* dwarf2out.c (output_macinfo_op): Fix dwarf_FORM typo in gcc_assert.
16989
169902018-07-10  Richard Biener  <rguenther@suse.de>
16991
16992	* hash-map.h (hash_map::iterator::operator*): Return
16993	references to key and value.
16994
169952018-07-10  Jakub Jelinek  <jakub@redhat.com>
16996
16997	PR c++/86443
16998	* gimplify.c (find_combined_omp_for): Add DATA argument, in addition
16999	to finding the inner OMP_FOR/OMP_SIMD stmt find non-trivial wrappers,
17000	BLOCKs with BLOCK_VARs, OMP_PARALLEL in between, OMP_FOR in between.
17001	(gimplify_omp_for): For composite loops, move outer
17002	OMP_{DISTRIBUTE,TASKLOOP,FOR,PARALLEL} right around innermost
17003	OMP_FOR/OMP_SIMD if there are any non-trivial wrappers.  For class
17004	iterators add any needed clauses.  Allow OMP_FOR_ORIG_DECLS to contain
17005	TREE_LIST for both the original class iterator and the "last" helper
17006	var.  Gimplify OMP_FOR_PRE_BODY before the outermost composite
17007	loop, remember has_decl_expr from outer composite loops for the
17008	innermost OMP_SIMD in TREE_PRIVATE bit on OMP_FOR_INIT.
17009
170102018-07-09  Martin Sebor  <msebor@redhat.com>
17011
17012	PR middle-end/77357
17013	PR middle-end/86428
17014	* builtins.c (c_strlen): Avoid out-of-bounds warnings when
17015	accessing implicitly initialized array elements.
17016	* expr.c (string_constant): Handle string initializers of
17017	character arrays within aggregates.
17018	* gimple-fold.c (fold_array_ctor_reference): Add argument.
17019	Store element offset.  As a special case, handle zero size.
17020	(fold_nonarray_ctor_reference): Same.
17021	(fold_ctor_reference): Add argument.  Store subobject offset.
17022	* gimple-fold.h (fold_ctor_reference): Add argument.
17023
170242018-07-09  Paul Koning  <ni1d@arrl.net>
17025
17026	* config/pdp11/pdp11.c (pdp11_addr_cost): New function.
17027	(pdp11_insn_cost): New function.
17028	(pdp11_md_asm_adjust): New function.
17029	(TARGET_INVALID_WITHIN_DOLOOP): Define.
17030	(pdp11_rtx_costs): Update to match machine better.
17031	(output_addr_const_pdp11): Correct format mismatch warnings.
17032	* config/pdp11/pdp11.h (SLOW_BYTE_ACCESS): Correct definition.
17033	* config/pdp11/pdp11.md: General change to add base_cost and/or
17034	length attributes for use by new pdp11_insn_cost function.
17035	(MIN_BRANCH): Correct definition.
17036	(MIN_SOB): Ditto.
17037	(doloop_end): Use standard pattern name for looping pattern.
17038	(doloop_end_nocc): New.
17039	(movsf): Add another constraint alternative.
17040	(zero_extendqihi2): Add constraint alternatives for not in place
17041	extend.
17042	(zero_extendhisi2): Remove.
17043	(shift patterns): Add CC handling variants.
17044	(bswaphi2): New.
17045	(bswapsi2): New.
17046	(rothi3): New.
17047	(define_peephole2): New peephole to recognize mov that sets CC for
17048	subsequent test.
17049
170502018-07-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
17051
17052	* config/sparc/sparc.c (sparc_fold_builtin) <SPARC_BUILTIN_PDIST,
17053	SPARC_BUILTIN_PDISTN>: Adapt for signature change of wi::neg,
17054	wi::add.
17055
170562018-07-09  Jakub Jelinek  <jakub@redhat.com>
17057
17058	PR c/86420
17059	* real.c (real_nextafter): Return true if result is denormal.
17060
170612018-07-09  Martin Liska  <mliska@suse.cz>
17062
17063	* common.opt: Add back wrongly removed attribute.
17064
170652018-07-09  Richard Biener  <rguenther@suse.de>
17066
17067	PR debug/86413
17068	* dwarf2out.c (gen_block_die): For an early generated DIE
17069	always output high/low PC attributes.
17070
170712018-07-09  Tom de Vries  <tdevries@suse.de>
17072
17073	* cfgexpand.c (expand_debug_source_expr): Handle VAR_DECL.
17074	* tree-inline.c (remap_ssa_name): Handle default def ssa_name mapping
17075	onto VAR_DECL with abstract origin.
17076
170772018-07-07  Jim Wilson  <jimw@sifive.com>
17078
17079	* config/riscv/riscv.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): New.
17080
170812018-07-07  Tom de Vries  <tdevries@suse.de>
17082
17083	* tree-dfa.c (dump_enumerated_decls): Handle cfun->cfg == NULL.
17084
170852018-07-07  Aldy Hernandez  <aldyh@redhat.com>
17086
17087	* tree-vrp.c (vrp_int_const_binop): Change overflow type to
17088	overflow_type.
17089	(combine_bound): Use wide-int overflow calculation instead of
17090	rolling our own.
17091	* calls.c (maybe_warn_alloc_args_overflow): Change overflow type to
17092	overflow_type.
17093	* fold-const.c (int_const_binop_2): Same.
17094	(extract_muldiv_1): Same.
17095	(fold_div_compare): Same.
17096	(fold_abs_const): Same.
17097	* match.pd: Same.
17098	* poly-int.h (add): Same.
17099	(sub): Same.
17100	(neg): Same.
17101	(mul): Same.
17102	* predict.c (predict_iv_comparison): Same.
17103	* profile-count.c (slow_safe_scale_64bit): Same.
17104	* simplify-rtx.c (simplify_const_binary_operation): Same.
17105	* tree-chrec.c (tree_fold_binomial): Same.
17106	* tree-data-ref.c (split_constant_offset_1): Same.
17107	* tree-if-conv.c (idx_within_array_bound): Same.
17108	* tree-scalar-evolution.c (iv_can_overflow_p): Same.
17109	* tree-ssa-phiopt.c (minmax_replacement): Same.
17110	* tree-vect-loop.c (is_nonwrapping_integer_induction): Same.
17111	* tree-vect-stmts.c (vect_truncate_gather_scatter_offset): Same.
17112	* vr-values.c (vr_values::adjust_range_with_scev): Same.
17113	* wide-int.cc (wi::add_large): Same.
17114	(wi::mul_internal): Same.
17115	(wi::sub_large): Same.
17116	(wi::divmod_internal): Same.
17117	* wide-int.h: Change overflow type to overflow_type for neg, add,
17118	mul, smul, umul, div_trunc, div_floor, div_ceil, div_round,
17119	mod_trunc, mod_ceil, mod_round, add_large, sub_large,
17120	mul_internal, divmod_internal.
17121	(overflow_type): New enum.
17122	(accumulate_overflow): New.
17123
171242018-07-06  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
17125
17126	* tree-ssa-phiopt.c (cond_removal_in_popcount_pattern): New.
17127	(tree_ssa_phiopt_worker): Call cond_removal_in_popcount_pattern.
17128
171292018-07-06  Kugan Vivekanandarajah  <kuganv@linaro.org>
17130
17131	* tree-ssa-loop-niter.c (number_of_iterations_popcount): If popcount
17132	argument is checked for zero before entering loop, avoid checking again.
17133
171342018-07-06  Kugan Vivekanandarajah  <kuganv@linaro.org>
17135
17136	* gimplify.h (generic_expr_could_trap_p): Set as global function.
17137	* gimplify.h (generic_expr_could_trap_p): Likwise.
17138	* tree-scalar-evolution.c (expression_expensive_p): Handle COND_EXPR.
17139
171402018-07-06  Jakub Jelinek  <jakub@redhat.com>
17141
17142	PR tree-optimization/86401
17143	* fold-const.c (fold_binary_loc) <case BIT_AND_EXPR>: Move the
17144	((A & N) + B) & M -> (A + B) & M etc. optimization into ...
17145	(fold_bit_and_mask): ... here.  New helper function for match.pd.
17146	* fold-const.h (fold_bit_and_mask): Declare.
17147	* match.pd (((A & N) + B) & M -> (A + B) & M): New optimization.
17148
171492018-07-06  Peter Bergner  <bergner@linux.ibm.com>
17150
17151	PR target/86324
17152	* target.def (translate_mode_attribute): New hook.
17153	* targhooks.h (default_translate_mode_attribute): Declare.
17154	* targhooks.c (default_translate_mode_attribute): New function.
17155	* doc/tm.texi.in (TARGET_TRANSLATE_MODE_ATTRIBUTE): New hook.
17156	* doc/tm.texi: Regenerate.
17157	* config/rs6000/rs6000.c (TARGET_TRANSLATE_MODE_ATTRIBUTE): Define.
17158	(rs6000_translate_mode_attribute): New function.
17159
171602018-07-06  Paul Koning  <ni1d@arrl.net>
17161
17162	* doc/md.texi (define_split): Document DONE and FAIL.
17163	(define_peephole2): Ditto.
17164
171652018-07-05  Jeff Law  <law@redhat.com>
17166
17167	PR tree-optimization/86010
17168	* tree-ssa-dse.c (compute_trims): More aggressively trim at
17169	both the head and tail of mem* and str* calls.
17170
171712018-07-05  Jim Wilson  <jimw@sifive.com>
17172
17173	* config.gcc (riscv*-*-*): When setting xlen, handle riscv-*.
17174
171752018-07-05  Indu Bhagat  <indu.bhagat@oracle.com>
17176
17177	* config/aarch64/aarch64-simd.md: correct flags text for
17178	MIN_EXPR replacement.
17179
171802018-07-05  James Clarke  <jrtc27@jrtc27.com>
17181
17182	* configure: Regenerated.
17183
171842018-07-05  Carl Love  <cel@us.ibm.com>
17185
17186	* config/rs6000/rs6000-c.c: Map ALTIVEC_BUILTIN_VEC_UNPACKH for
17187	float argument to VSX_BUILTIN_DOUBLEH_V4SF.
17188	Map ALTIVEC_BUILTIN_VEC_UNPACKL for float argument to
17189	VSX_BUILTIN_DOUBLEL_V4SF.
17190
171912018-07-05  Martin Sebor  <msebor@redhat.com>
17192
17193	PR c++/86400
17194	* tree-ssa-strlen.c (maybe_set_strlen_range): Use type size rather
17195	than its domain to compute its the upper bound of a char array.
17196
171972018-07-05  Nathan Sidwell  <nathan@acm.org>
17198
17199	Replace NO_IMPLICIT_EXTERN_C with SYSTEM_IMPLICIT_EXTERN_C.
17200	* doc/cpp.texi: Update comment.
17201	* doc/tm.texi: Rebuilt.
17202	* doc/tm.texi.in (NO_IMPLICIT_EXTERN_C): Replace with ...
17203	(SYSTEM_IMPLICIT_EXTERN_C): ... this, opposite sense.
17204	* doc/extend.texi (Backwards Compatibility): Clarify it is system
17205	headers affected by extern "C".
17206	* system.h: Poison NO_IMPLICIT_EXTERN_C.
17207	* config/alpha/alpha.h, config/arm/uclinux-elf.h,
17208	config/bfin/elf.h, config/cris/cris.h, config/darwin.h,
17209	config/dragonfly.h, config/freebsd.h, config/gnu-user.h,
17210	config/i386/cygming.h, config/i386/djgpp.h, config/i386/nto.h,
17211	config/ia64/hpux.h, config/lm32/lm32.h, config/lm32/uclinux-elf.h,
17212	config/lynx.h, config/mips/elf.h, config/mmix/mmix.h,
17213	config/netbsd.h, config/pa/pa-hpux.h, config/powerpcspe/sysv4.h,
17214	config/riscv/elf.h, config/rs6000/sysv4.h, config/rtems.h,
17215	config/s390/tpf.h, config/sh/newlib.h, config/sol2.h,
17216	config/sparc/openbsd64.h, config/sparc/sp-elf.h,
17217	config/sparc/sp64-elf.h, config/spu/spu.h,
17218	config/stormy16/stormy16.h, config/v850/v850.h,
17219	config/visium/visium.h, config/vx-common.h, config/xtensa/elf.h: Don't
17220	define NO_IMPLICIT_EXTERN_C.
17221	* config/rs6000/aix.h: Set SYSTEM_IMPLICIT_EXTERN_C.
17222
172232018-07-05  Tamar Christina  <tamar.christina@arm.com>
17224
17225	PR target/84711
17226	* config/arm/arm.c (arm_can_change_mode_class): Use GET_MODE_UNIT_SIZE
17227	instead of GET_MODE_SIZE when comparing Units.
17228
172292018-07-05  Tamar Christina  <tamar.christina@arm.com>
17230
17231	PR target/84711
17232	* rtlanal.c (set_noop_p): Constrain on mode change,
17233	include hard-reg-set.h
17234
172352018-07-05  Tamar Christina  <tamar.christina@arm.com>
17236
17237	* config/aarch64/aarch64.c (aarch64_expand_movmem): Fix mode size.
17238
172392018-07-05  Jakub Jelinek  <jakub@redhat.com>
17240
17241	Revert
17242	2018-07-04  Maxim Ostapenko  <m.ostapenko@samsung.com>
17243
17244	PR sanitizer/84250
17245	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Pass -lstdc++ for static
17246	libasan.
17247	* gcc.c: Do not pass LIBUBSAN_SPEC if ASan is enabled with UBSan.
17248
172492018-07-04  Maxim Ostapenko  <m.ostapenko@samsung.com>
17250
17251	PR sanitizer/84250
17252	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Pass -lstdc++ for static
17253	libasan.
17254	* gcc.c: Do not pass LIBUBSAN_SPEC if ASan is enabled with UBSan.
17255
172562018-07-04  Eric Botcazou  <ebotcazou@adacore.com>
17257
17258	PR middle-end/86380
17259	* expmed.c (choose_multiplier): Fix incorrect comparison with mask.
17260
172612018-07-04  Aldy Hernandez  <aldyh@redhat.com>
17262
17263	* tree-vrp.c (extract_range_from_binary_expr_1): Initialize
17264	neg_*_op* variables.
17265
172662018-07-04  Martin Liska  <mliska@suse.cz>
17267
17268	* tree-switch-conversion.c: Define
17269	max_ratio_for_speed and max_ratio_for_size constants.
17270
172712018-07-04  Denys Vlasenko  <dvlasenk@redhat.com>
17272	    Martin Liska  <mliska@suse.cz>
17273
17274	PR middle-end/66240
17275	PR target/45996
17276	PR c/84100
17277	* common.opt: Rename align options with 'str_' prefix.
17278	* common/config/i386/i386-common.c (set_malign_value): New
17279	function.
17280	(ix86_handle_option): Use it to set -falign-* options/
17281	* config/aarch64/aarch64-protos.h (struct tune_params): Change
17282	type from int to string.
17283	* config/aarch64/aarch64.c: Update default values from int
17284	to string.
17285	* config/alpha/alpha.c (alpha_override_options_after_change):
17286	Likewise.
17287	* config/arm/arm.c (arm_override_options_after_change_1): Likewise.
17288	* config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print
17289	max skip conditionally.
17290	* config/i386/freebsd.h (SUBALIGN_LOG): New.
17291	(ASM_OUTPUT_MAX_SKIP_ALIGN): Print
17292	max skip conditionally.
17293	* config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print
17294	max skip conditionally.
17295	* config/i386/gnu-user.h (SUBALIGN_LOG): New.
17296	(ASM_OUTPUT_MAX_SKIP_ALIGN): Print
17297	max skip conditionally.
17298	* config/i386/i386.c (struct ptt): Change type from int to
17299	string.
17300	(ix86_default_align): Set default values.
17301	* config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Print
17302	max skip conditionally.
17303	* config/i386/iamcu.h (SUBALIGN_LOG): New.
17304	(ASM_OUTPUT_MAX_SKIP_ALIGN):
17305	* config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN):
17306	* config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print
17307	max skip conditionally.
17308	* config/i386/openbsdelf.h (SUBALIGN_LOG): New.
17309	(ASM_OUTPUT_MAX_SKIP_ALIGN) Print max skip conditionally.:
17310	* config/i386/x86-64.h (SUBALIGN_LOG): New.
17311	(ASM_OUTPUT_MAX_SKIP_ALIGN): Print
17312	max skip conditionally.
17313	(ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
17314	* config/ia64/ia64.c (ia64_option_override): Set default values
17315	for alignment options.
17316	* config/m68k/m68k.c: Handle new str_align_* options.
17317	* config/mips/mips.c (mips_set_compression_mode): Change
17318	type of constants.
17319	(mips_option_override): Set default values for options.
17320	* config/powerpcspe/powerpcspe.c (rs6000_option_override_internal):
17321	Likewise.
17322	* config/rs6000/rs6000.c (rs6000_option_override_internal):
17323	Likewise.
17324	* config/rx/rx.c (rx_option_override): Likewise.
17325	* config/rx/rx.h (JUMP_ALIGN): Use align_jumps_log.
17326	(LABEL_ALIGN): Use align_labels_log.
17327	(LOOP_ALIGN): Use align_loops_align.
17328	* config/s390/s390.c (s390_asm_output_function_label): Use new
17329	macros.
17330	* config/sh/sh.c (sh_override_options_after_change):
17331	Change type of constants.
17332	* config/spu/spu.c (spu_sched_init): Likewise.
17333	* config/sparc/sparc.c (sparc_option_override): Set default
17334	values for options.
17335	* config/visium/visium.c (visium_option_override): Likewise.
17336	* config/visium/visium.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Do not
17337	emit p2align format with last argument if it's not needed.
17338	* doc/invoke.texi: Document extended format of -falign-*.
17339	* final.c: Use align_labels alignment.
17340	* flags.h (struct target_flag_state): Change type to use
17341	align_flags.
17342	(struct align_flags_tuple): New.
17343	(struct align_flags): Likewise.
17344	(align_loops_log): Redefine macro to use new types.
17345	(align_loops_max_skip): Redefine macro to use new types.
17346	(align_jumps_log): Redefine macro to use new types.
17347	(align_jumps_max_skip): Redefine macro to use new types.
17348	(align_labels_log): Redefine macro to use new types.
17349	(align_labels_max_skip): Redefine macro to use new types.
17350	(align_functions_log): Redefine macro to use new types.
17351	(align_loops): Redefine macro to use new types.
17352	(align_jumps): Redefine macro to use new types.
17353	(align_labels): Redefine macro to use new types.
17354	(align_functions): Redefine macro to use new types.
17355	(align_functions_max_skip): Redefine macro to use new types.
17356	(align_loops_value): New macro.
17357	(align_jumps_value): New macro.
17358	(align_labels_value): New macro.
17359	(align_functions_value): New macro.
17360	* function.c (invoke_set_current_function_hook): Propagate
17361	alignment values from flags to global variables default in
17362	topleev.h.
17363	* ipa-icf.c (sem_function::equals_wpa): Use
17364	cl_optimization_option_eq instead of memcmp.
17365	* lto-streamer.h (cl_optimization_stream_out): Support streaming
17366	of string types.
17367	(cl_optimization_stream_in): Likewise.
17368	* optc-save-gen.awk: Support strings in cl_optimization.
17369	* opth-gen.awk: Likewise.
17370	* opts.c (finish_options): Remove error checking of invalid
17371	value ranges.
17372	(MAX_CODE_ALIGN): Remove.
17373	(MAX_CODE_ALIGN_VALUE): Likewise.
17374	(parse_and_check_align_values): New function.
17375	(check_alignment_argument): Likewise.
17376	(common_handle_option): Use check_alignment_argument.
17377	* opts.h (parse_and_check_align_values): Declare.
17378	* toplev.c (init_alignments): Remove.
17379	(read_log_maxskip): New.
17380	(parse_N_M): Likewise.
17381	(parse_alignment_opts): Likewise.
17382	(backend_init_target): Remove usage of init_alignments.
17383	* toplev.h (parse_alignment_opts): Declare.
17384	* tree-streamer-in.c (streamer_read_tree_bitfields): Add new
17385	argument.
17386	* tree-streamer-out.c (streamer_write_tree_bitfields): Likewise.
17387	* tree.c (cl_option_hasher::equal): New.
17388	* varasm.c: Use new global macros.
17389
173902018-07-04  Denys Vlasenko  <dvlasenk@redhat.com>
17391
17392	* config/i386/dragonfly.h: (ASM_OUTPUT_MAX_SKIP_ALIGN):
17393	Use a simpler align directive also if MAXSKIP = ALIGN-1.
17394	* config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
17395	* config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
17396	* config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
17397	* config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
17398	* config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove "If N
17399	is large, do at least 8 byte alignment" code. Add SUBALIGN_LOG
17400	define. Use a simpler align directive also if MAXSKIP = ALIGN-1.
17401	* config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
17402	* config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
17403	* config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
17404	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
17405
174062018-07-04  Martin Liska  <mliska@suse.cz>
17407	    Jonathan Wakely  <jwakely@redhat.com>
17408
17409	* coverage.c: Use correct type.
17410	* doc/invoke.texi: Language correction.
17411
174122018-07-03  H.J. Lu  <hongjiu.lu@intel.com>
17413
17414	PR target/85620
17415	* config/i386/i386.c (rest_of_insert_endbranch): Also generate
17416	ENDBRANCH for non-tail call which may return via indirect branch.
17417	* doc/extend.texi: Document indirect_return attribute.
17418
174192018-07-03  Martin Sebor  <msebor@redhat.com>
17420
17421	PR tree-optimization/86274
17422	* gimple-ssa-sprintf.c (fmtresult::type_max_digits): Verify
17423	precondition.
17424	(format_floating): Correct handling of infinities and NaNs.
17425
174262018-07-03  Martin Sebor  <msebor@redhat.com>
17427
17428	* print-tree.c (print_real_cst): New function.
17429	(print_node_brief): Call it.
17430	(print_node): Ditto.
17431
174322018-07-03  Jeff Law  <law@redhat.com>
17433
17434	* config/h8300/h8300.md (logical<mode>3_sn, logical<mode>3): Merge
17435	into a single pattern.
17436
17437	* config/h8300/h8300.md (ors code_iterator): New.
17438	(bsetqi_msx, bnotqi_msx patterns and splitters): Consolidate into
17439	a single pattern and single splitter.
17440	(bsethi_msx, bnothi_msx patterns): Consolidate into a single pattern.
17441	(iorqi3_1, xorqi3_1): Likewise.
17442	(iorqi3, xorqi3 expanders): Similarly.
17443
17444	* config/h8300/h8300.md (movmd_internal_normal): Consolidated with
17445	(movmd_internal) into a single pattern using the P mode iterator.
17446	(movmd splitters): Similarly.
17447	(stpcpy_internal_normal, stpcpy_internal): Similarly for thes patterns.
17448	(movsd splitters): Similarly.
17449
17450	* config/h8300/h8300.c (h8300_insn_length_from_table): Consolidate
17451	ADDB, ADDW and ADDL into a single ADD attribute which selects the
17452	right table based on the size of the operand.
17453	* config/h8300/h8300.md (length_table): Corresponding changes. All
17454	references to "addb", "addw" and "addl" changed to "add".
17455	(btst patterns): Merge two variants into a single pattern.
17456	(tstqi, tsthi): Likewise.
17457	(addhi3_incdec, addsi3_incdec): Likewise.
17458	(subhi3_h8300hs, subsi3_h8300hs): Likewise.
17459	(mulhi3, mulsi3): Likewise.
17460	(udivhi3, udivsi3): Likewise.
17461	(divhi3, divsi3): Likewise.
17462	(andorqi3, andorhi3, andorsi3): Likewise.
17463
174642018-07-03  Uros Bizjak  <ubizjak@gmail.com>
17465
17466	PR target/85694
17467	* config/i386/sse.md (uavg<mode>3_ceil): New expander.
17468	(<sse2_avx2>_uavg<mode>3<mask_name>): Simplify expander.
17469
174702018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17471
17472	PR tree-optimization/85694
17473	* config/aarch64/iterators.md (HADD, RHADD): New int iterators.
17474	(u): Handle UNSPEC_SHADD, UNSPEC_UHADD, UNSPEC_SRHADD and
17475	UNSPEC_URHADD.
17476	* config/aarch64/aarch64-simd.md (<u>avg<mode>3_floor)
17477	(<u>avg<mode>3_ceil): New patterns.
17478
174792018-07-03  David Malcolm  <dmalcolm@redhat.com>
17480
17481	* gcc.dg/vect/slp-perm-1.c: Remove "note: " prefix from
17482	scan-tree-dump directive.
17483	* gcc.dg/vect/slp-perm-2.c: Likewise.
17484	* gcc.dg/vect/slp-perm-3.c: Likewise.
17485	* gcc.dg/vect/slp-perm-5.c: Likewise.
17486	* gcc.dg/vect/slp-perm-6.c: Likewise.
17487	* gcc.dg/vect/slp-perm-7.c: Likewise.
17488	* gcc.dg/vect/slp-perm-8.c: Likewise.
17489
174902018-07-03  Marek Polacek  <polacek@redhat.com>
17491
17492	PR middle-end/86202
17493	* gimple-fold.c (size_must_be_zero_p): Check the type of the size.
17494
174952018-07-03  Richard Biener  <rguenther@suse.de>
17496
17497	PR ipa/86389
17498	* tree-ssa-structalias.c (find_func_clobbers): Properly
17499	handle indirect calls.
17500
175012018-07-03  Jeff Law  <law@redhat.com>
17502
17503	* config/h8300/h8300.md (HSI, QHSI, QHSIF): New mode iterators.
17504	(shifts): New code iterator.
17505	(movqi, movhi, movsi, movsf expanders): Consolidate into a single
17506	expander.  Fix HImode handling on H8/SX.
17507	(addqi3, addhi3, addsi3 expanders): Consolidate into a single expander.
17508	(subqi3, subhi3, subsi3 expanders): Likewise.
17509	(andqi3, andhi3, andsi3 expanders): Likewise.
17510	(iorqi3, iorhi3, iorsi3 expanders): Likewise.
17511	(xorqi3, xorhi3, xorsi3 expanders): Likewise.
17512	(negqi2, neghi2, negsi2, negsf2 expanders): Likewise.
17513	(one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
17514	(zero_extendqihi2, zero_extendqisi2): Likewise.
17515	(extendqihi2, extendqisi2): Likewise.
17516	(rotlqi3, rotlhi3, rotlsi3): Likewise.
17517	(neghi2_h8300, negsi2_h8300): Likewise for these patterns.
17518	(rotlqi3_1, rotlhi3_1): Likewise.
17519	(logicalhi3_sn, logicalsi3_sn): Likewise.
17520	(logicalhi3, logicalsi3): Likewise.
17521
175222018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17523
17524	* tree-vect-patterns.c (vect_recog_rotate_pattern)
17525	(vect_recog_vector_vector_shift_pattern, vect_recog_divmod_pattern)
17526	(vect_recog_mixed_size_cond_pattern, adjust_bool_pattern_cast)
17527	(adjust_bool_pattern, vect_recog_bool_pattern): Pass the vector
17528	type to append_pattern_def_seq instead of creating a stmt_vec_info
17529	directly.
17530	(build_mask_conversion): Likewise.  Remove vinfo argument.
17531	(vect_add_conversion_to_patterm): Likewise, renaming to...
17532	(vect_add_conversion_to_pattern): ...this.
17533	(vect_recog_mask_conversion_pattern): Update call to
17534	build_mask_conversion.  Pass the vector type to
17535	append_pattern_def_seq here too.
17536	(vect_recog_gather_scatter_pattern): Update call to
17537	vect_add_conversion_to_pattern.
17538
175392018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17540
17541	* tree-vect-patterns.c (new_pattern_def_seq): Delete.
17542	(vect_recog_dot_prod_pattern, vect_recog_sad_pattern)
17543	(vect_recog_widen_op_pattern, vect_recog_over_widening_pattern)
17544	(vect_recog_rotate_pattern, vect_synth_mult_by_constant): Don't set
17545	STMT_VINFO_PATTERN_DEF_SEQ to null here.
17546	(vect_recog_pow_pattern, vect_recog_vector_vector_shift_pattern)
17547	(vect_recog_mixed_size_cond_pattern, vect_recog_bool_pattern): Use
17548	append_pattern_def_seq instead of new_pattern_def_seq.
17549	(vect_recog_divmod_pattern): Do both of the above.
17550	(vect_pattern_recog_1): Assert that STMT_VINO_PATTERN_DEF_SEQ
17551	is null.
17552
175532018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17554
17555	* tree-vect-patterns.c (vect_recog_dot_prod_pattern):
17556	(vect_recog_sad_pattern, vect_recog_widen_op_pattern)
17557	(vect_recog_widen_mult_pattern, vect_recog_pow_pattern):
17558	(vect_recog_widen_sum_pattern, vect_recog_over_widening_pattern)
17559	(vect_recog_average_pattern, vect_recog_cast_forwprop_pattern)
17560	(vect_recog_widen_shift_pattern, vect_recog_rotate_pattern)
17561	(vect_recog_vector_vector_shift_pattern, vect_synth_mult_by_constant)
17562	(vect_recog_mult_pattern, vect_recog_divmod_pattern)
17563	(vect_recog_mixed_size_cond_pattern, vect_recog_bool_pattern)
17564	(vect_recog_mask_conversion_pattern): Replace vec<gimple *>
17565	parameter with a single stmt_vec_info.
17566	(vect_recog_func_ptr): Likewise.
17567	(vect_recog_gather_scatter_pattern): Likewise, folding in...
17568	(vect_try_gather_scatter_pattern): ...this.
17569	(vect_pattern_recog_1): Remove stmts_to_replace and just pass
17570	the stmt_vec_info of the statement to be matched.  Don't clear
17571	STMT_VINFO_RELATED_STMT.
17572	(vect_pattern_recog): Update call accordingly.
17573
175742018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17575
17576	PR tree-optimization/85694
17577	* doc/md.texi (avgM3_floor, uavgM3_floor, avgM3_ceil)
17578	(uavgM3_ceil): Document new optabs.
17579	* doc/sourcebuild.texi (vect_avg_qi): Document new target selector.
17580	* internal-fn.def (IFN_AVG_FLOOR, IFN_AVG_CEIL): New internal
17581	functions.
17582	* optabs.def (savg_floor_optab, uavg_floor_optab, savg_ceil_optab)
17583	(savg_ceil_optab): New optabs.
17584	* tree-vect-patterns.c (vect_recog_average_pattern): New function.
17585	(vect_vect_recog_func_ptrs): Add it.
17586	* tree-vect-stmts.c (vectorizable_call): Get the type of the zero
17587	constant directly from the associated lhs.
17588
175892018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17590
17591	* tree-vect-patterns.c (vect_split_statement): New function.
17592	(vect_convert_input): Use it to try to split an existing cast.
17593
175942018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17595
17596	* poly-int.h (print_hex): New function.
17597	* dumpfile.h (dump_dec, dump_hex): Declare.
17598	* dumpfile.c (dump_dec, dump_hex): New poly_wide_int functions.
17599	* tree-vectorizer.h (_stmt_vec_info): Add min_output_precision,
17600	min_input_precision, operation_precision and operation_sign.
17601	* tree-vect-patterns.c (vect_get_range_info): New function.
17602	(vect_same_loop_or_bb_p, vect_single_imm_use)
17603	(vect_operation_fits_smaller_type): Delete.
17604	(vect_look_through_possible_promotion): Add an optional
17605	single_use_p parameter.
17606	(vect_recog_over_widening_pattern): Rewrite to use new
17607	stmt_vec_info infomration.  Handle one operation at a time.
17608	(vect_recog_cast_forwprop_pattern, vect_narrowable_type_p)
17609	(vect_truncatable_operation_p, vect_set_operation_type)
17610	(vect_set_min_input_precision): New functions.
17611	(vect_determine_min_output_precision_1): Likewise.
17612	(vect_determine_min_output_precision): Likewise.
17613	(vect_determine_precisions_from_range): Likewise.
17614	(vect_determine_precisions_from_users): Likewise.
17615	(vect_determine_stmt_precisions, vect_determine_precisions): Likewise.
17616	(vect_vect_recog_func_ptrs): Put over_widening first.
17617	Add cast_forwprop.
17618	(vect_pattern_recog): Call vect_determine_precisions.
17619
176202018-07-03  Richard Sandiford  <richard.sandiford@arm.com>
17621
17622	* tree-vect-patterns.c (vect_mark_pattern_stmts): Remove pattern
17623	statements that have been replaced by further pattern statements.
17624	(vect_pattern_recog_1): Clear STMT_VINFO_PATTERN_DEF_SEQ on failure.
17625
176262018-07-03  Richard Biener  <rguenther@suse.de>
17627
17628	* tree-vect-stmts.c (vect_is_simple_use): Consolidate dumping,
17629	always set *dt.  Dump vectype in vectype overload.
17630	* dumpfile.h (dump_gimple_expr): New function.
17631	(dump_gimple_expr_loc): Likewise.
17632	* dumpfile.c (dump_gimple_expr): New function.
17633	(dump_gimple_expr_loc): Likewise.
17634
176352018-07-02  Jeff Law  <law@redhat.com>
17636
17637	* config/h8300/h8300.md (movqi_h8300, movqi_h8300hs): Consolidate
17638	the H8/300, H8/300H and H8/S variants into a single pattern.
17639	(movhi_h8300, movqi_h8300hs): Similarly.
17640	(pushqi_h8300hs, pushhi_h8300hs): Consolidate into a single pattern.
17641	(QHI mode iterator): New.
17642
17643	* config/h8300/h8300.md: Remove trailing whitespace.
17644
176452018-07-02  Jim Wilson  <jimw@sifive.com>
17646
17647	* config/riscv/riscv.c (riscv_expand_epilogue): Use emit_jump_insn
17648	instead of emit_insn for interrupt returns.
17649	* config/riscv/riscv.md (riscv_met): Add (return) to rtl.
17650	(riscv_sret, riscv_uret): Likewise.
17651
176522018-07-02  David Malcolm  <dmalcolm@redhat.com>
17653
17654	* pretty-print.c (selftest::test_pp_format): Move save and restore
17655	of quotes to class auto_fix_quotes, and add an instance.
17656	* selftest.c: Include "intl.h".
17657	(selftest::auto_fix_quotes::auto_fix_quotes): New ctor.
17658	(selftest::auto_fix_quotes::~auto_fix_quotes): New dtor.
17659	* selftest.h (selftest::auto_fix_quotes): New class.
17660
176612018-07-02  Richard Henderson  <richard.henderson@linaro.org>
17662
17663	* config/aarch64/aarch64-protos.h, config/aarch64/aarch64.c
17664	(aarch64_sve_prepare_conditional_op): Remove.
17665	* config/aarch64/aarch64-sve.md (cond_<SVE_INT_BINARY><SVE_I>):
17666	Allow aarch64_simd_reg_or_zero as select operand; remove
17667	the aarch64_sve_prepare_conditional_op call.
17668	(cond_<SVE_INT_BINARY_SD><SVE_SDI>): Likewise.
17669	(cond_<SVE_COND_FP_BINARY><SVE_F>): Likewise.
17670	(*cond_<SVE_INT_BINARY><SVE_I>_z): New pattern.
17671	(*cond_<SVE_INT_BINARY_SD><SVE_SDI>_z): New pattern.
17672	(*cond_<SVE_COND_FP_BINARY><SVE_F>_z): New pattern.
17673	(*cond_<SVE_INT_BINARY><SVE_I>_any): New pattern.
17674	(*cond_<SVE_INT_BINARY_SD><SVE_SDI>_any): New pattern.
17675	(*cond_<SVE_COND_FP_BINARY><SVE_F>_any): New pattern
17676	and a splitters to match all of the *_any patterns.
17677	* config/aarch64/predicates.md (aarch64_sve_any_binary_operator): New.
17678
17679	* config/aarch64/iterators.md (SVE_INT_BINARY_REV): Remove.
17680	(SVE_COND_FP_BINARY_REV): Remove.
17681	(sve_int_op_rev, sve_fp_op_rev): New.
17682	* config/aarch64/aarch64-sve.md (*cond_<SVE_INT_BINARY><SVE_I>_0): New.
17683	(*cond_<SVE_INT_BINARY_SD><SVE_SDI>_0): New.
17684	(*cond_<SVE_COND_FP_BINARY><SVE_F>_0): New.
17685	(*cond_<SVE_INT_BINARY><SVE_I>_2): Rename, add movprfx alternative.
17686	(*cond_<SVE_INT_BINARY_SD><SVE_SDI>_2): Similarly.
17687	(*cond_<SVE_COND_FP_BINARY><SVE_F>_2): Similarly.
17688	(*cond_<SVE_INT_BINARY><SVE_I>_3): Similarly; use sve_int_op_rev.
17689	(*cond_<SVE_INT_BINARY_SD><SVE_SDI>_3): Similarly.
17690	(*cond_<SVE_COND_FP_BINARY><SVE_F>_3): Similarly; use sve_fp_op_rev.
17691
17692	* config/aarch64/aarch64-sve.md (cond_<SVE_COND_FP_BINARY><SVE_F>):
17693	Remove match_dup 1 from the inner unspec.
17694	(*cond_<SVE_COND_FP_BINARY><SVE_F>): Likewise.
17695
17696	* config/aarch64/aarch64.md (movprfx): New attr.
17697	(length): Default movprfx to 8.
17698	* config/aarch64/aarch64-sve.md (*mul<SVE_I>3): Add movprfx alt.
17699	(*madd<SVE_I>, *msub<SVE_I): Likewise.
17700	(*<su>mul<SVE_I>3_highpart): Likewise.
17701	(*<SVE_INT_BINARY_SD><SVE_SDI>3): Likewise.
17702	(*v<ASHIFT><SVE_I>3): Likewise.
17703	(*<su><MAXMIN><SVE_I>3): Likewise.
17704	(*<su><MAXMIN><SVE_F>3): Likewise.
17705	(*fma<SVE_F>4, *fnma<SVE_F>4): Likewise.
17706	(*fms<SVE_F>4, *fnms<SVE_F>4): Likewise.
17707	(*div<SVE_F>4): Likewise.
17708
177092018-07-02  Richard Sandiford  <richard.sandiford@arm.com>
17710
17711	* tree-vect-patterns.c (vect_recog_widen_shift_pattern): Fix typo
17712	in dump string.
17713
177142018-07-02  Richard Biener  <rguenther@suse.de>
17715
17716	PR tree-optimization/86363
17717	* tree-ssa-sccvn.c (vn_reference_lookup_3): Check the
17718	memset argument refers to a non-variable address.
17719
177202018-07-02  Aldy Hernandez  <aldyh@redhat.com>
17721
17722	* tree-vrp.c (extract_range_from_binary_expr_1): Abstract a lot of the
17723	{PLUS,MINUS}_EXPR code to...
17724	(adjust_symbolic_bound): ...here,
17725	(combine_bound): ...here,
17726	(set_value_range_with_overflow): ...and here.
17727
177282018-07-02  Aldy Hernandez  <aldyh@redhat.com>
17729
17730	* tree-vrp.c (extract_range_from_unary_expr): Abstract ABS_EXPR
17731	code...
17732	(extract_range_from_abs_expr): ...here.
17733
177342018-07-02  Eric Botcazou  <ebotcazou@adacore.com>
17735
17736	* config/i386/i386.c (ix86_finalize_stack_frame_flags): Do not overrule
17737	-fno-omit-frame-pointer when not optimizing.
17738
177392018-07-02  Martin Liska  <mliska@suse.cz>
17740
17741	PR ipa/86279
17742	* ipa-pure-const.c (malloc_candidate_p): Revert usage of ::get.
17743	(propagate_nothrow): Likewise.
17744
177452018-07-02  Martin Liska  <mliska@suse.cz>
17746
17747	PR ipa/86323
17748	* ipa-inline.c (early_inliner): Revert wrongly added ::get call.
17749
177502018-07-02  David Malcolm  <dmalcolm@redhat.com>
17751
17752	* dumpfile.c (dump_generic_expr_loc): Undo removal of this
17753	function in r262149, changing "loc" param from source_location to
17754	const dump_location_t &.
17755	* dumpfile.h (dump_generic_expr_loc): Undo removal of this
17756	declaration, as above.
17757
177582018-07-01  Paul Koning  <ni1d@arrl.net>
17759
17760	* common/config/pdp11/pdp11-common.c (pdp11_handle_option): Handle
17761	-munit-asm, -mgnu-asm, -mdec-asm.
17762	* config/pdp11/pdp11-protos.h (pdp11_gen_int_label): New.
17763	(pdp11_output_labelref): New.
17764	(pdp11_output_def): New.
17765	(pdp11_output_addr_vec_elt): New.
17766	* config/pdp11/pdp11.c: Use tab between opcode and operands.  Use
17767	%# and %@ format codes.
17768	(pdp11_option_override): New.
17769	(TARGET_ASM_FILE_START_FILE_DIRECTIVE): Define.
17770	(pdp11_output_ident): New.
17771	(pdp11_asm_named_section): New.
17772	(pdp11_asm_init_sections): New.
17773	(pdp11_file_start): New.
17774	(pdp11_file_end): New.
17775	(output_ascii): Use .ascii/.asciz for -mdec-asm.
17776	(pdp11_asm_print_operand): Update %# and %$ for -mdec-asm.  Add
17777	%o, like %c but octal.
17778	(pdp11_option_override): New.
17779	* config/pdp11/pdp11.h (TEXT_SECTION_ASM_OP): Update for
17780	-mdec-asm.
17781	(DATA_SECTION_ASM_OP): Ditto.
17782	(READONLY_DATA_SECTION_ASM_OP): New.
17783	(IS_ASM_LOGICAL_LINE_SEPARATOR): New.
17784	(ASM_GENERATE_INTERNAL_LABEL): Use new function.
17785	(ASM_OUTPUT_LABELREF): Ditto.
17786	(ASM_OUTPUT_DEF): Ditto.
17787	(ASM_OUTPUT_EXTERNAL): New.
17788	(ASM_OUTPUT_SOURCE_FILENAME): New.
17789	(ASM_OUTPUT_ADDR_VEC_ELT): Use new function.
17790	(ASM_OUTPUT_SKIP): Update for -mdec-asm.
17791	* config/pdp11/pdp11.md: Use tab between opcode and operands.  Use
17792	%# and %@ format codes.
17793	* config/pdp11/pdp11.opt (mgnu-asm): New.
17794	(mdec-asm): Conflicts with -mgnu-asm and -munix-asm.
17795	(munix-asm): Conflicts with -mdec-asm and -mgnu-asm.
17796	* doc/invoke.txt (PDP-11 Options): Add -mgnu-asm.
17797
177982018-07-01  Aldy Hernandez  <aldyh@redhat.com>
17799
17800	* tree-ssa-threadupdate.c (mark_threaded_blocks): Avoid
17801	dereferencing path[] beyond its length.
17802	(debug_path): New.
17803	(debug_all_paths): New.
17804	(rewire_first_differing_edge): New.
17805	(adjust_paths_after_duplication): New.
17806	(duplicate_thread_path): Call adjust_paths_after_duplication.
17807	Add new argument.
17808	(thread_through_all_blocks): Add new argument to
17809	duplicate_thread_path.
17810
178112018-06-30  Jim Wilson  <jimw@sifive.com>
17812
17813	* config/riscv/predicates.md (p2m1_shift_operand): New.
17814	(high_mask_shift_operand): New.
17815	* config/riscv/riscv.md (lshrsi3_zero_extend_3+1): New combiner
17816	pattern using p2m1_shift_operand.
17817	(lshsi3_zero_extend_3+2): New combiner pattern using
17818	high_mask_shift_operand.
17819
178202018-06-30  Richard Sandiford  <richard.sandiford@arm.com>
17821
17822	* tree-vect-patterns.c (vect_get_external_def_edge): New function,
17823	split out from...
17824	(vect_recog_rotate_pattern): ...here.
17825	(vect_convert_input): Try to insert casts of invariants in the
17826	preheader.
17827	* tree-vect-loop-manip.c (vect_loop_versioning): Don't require the
17828	preheader to be empty.
17829
178302018-06-30  Richard Sandiford  <richard.sandiford@arm.com>
17831
17832	* tree-vect-patterns.c (append_pattern_def_seq): Take an optional
17833	vector type.  If given, install it in the new statement's
17834	STMT_VINFO_VECTYPE.
17835	(vect_element_precision): New function.
17836	(vect_unpromoted_value): New struct.
17837	(vect_unpromoted_value::vect_unpromoted_value): New function.
17838	(vect_unpromoted_value::set_op): Likewise.
17839	(vect_look_through_possible_promotion): Likewise.
17840	(vect_joust_widened_integer, vect_joust_widened_type): Likewise.
17841	(vect_widened_op_tree, vect_convert_input): Likewise.
17842	(vect_convert_inputs, vect_convert_output): Likewise.
17843	(vect_recog_dot_prod_pattern): Use vect_look_through_possible_promotion
17844	to handle the optional cast of the multiplication result and
17845	vect_widened_op_tree to detect the widened multiplication itself.
17846	Do not require the input and output of promotion casts to have
17847	the same sign, but base the signedness of the operation on the
17848	input rather than the result.  If the pattern includes two
17849	promotions, check that those promotions have the same sign.
17850	Do not restrict the MULT_EXPR handling to a double-width result;
17851	handle quadruple-width results and wider.  Use vect_convert_inputs
17852	to convert the inputs to the common type.
17853	(vect_recog_sad_pattern):  Use vect_look_through_possible_promotion
17854	to handle the optional cast of the ABS result.  Also allow a sign
17855	change or a sign extension between the ABS and MINUS.
17856	Use vect_widened_op_tree to detect the widened subtraction and use
17857	vect_convert_inputs to convert the inputs to the common type.
17858	(vect_handle_widen_op_by_const): Delete.
17859	(vect_recog_widen_op_pattern): New function.
17860	(vect_recog_widen_mult_pattern): Use it.
17861	(vect_recog_widen_shift_pattern): Likewise.
17862	(vect_recog_widen_sum_pattern): Use
17863	vect_look_through_possible_promotion to handle the promoted
17864	PLUS_EXPR operand.
17865
178662018-06-30  Richard Sandiford  <richard.sandiford@arm.com>
17867
17868	* gimple-iterator.c (gsi_for_stmt): Add a new overload that takes
17869	the containing gimple_seq *.
17870	* gimple-iterator.h (gsi_for_stmt): Declare it.
17871	* tree-vect-patterns.c (vect_recog_dot_prod_pattern)
17872	(vect_recog_sad_pattern, vect_recog_widen_sum_pattern)
17873	(vect_recog_widen_shift_pattern, vect_recog_rotate_pattern)
17874	(vect_recog_vector_vector_shift_pattern, vect_recog_divmod_pattern)
17875	(vect_recog_mask_conversion_pattern): Remove STMT_VINFO_IN_PATTERN_P
17876	checks.
17877	(vect_init_pattern_stmt, vect_set_pattern_stmt): New functions,
17878	split out from...
17879	(vect_mark_pattern_stmts): ...here.  Handle cases in which the
17880	statement being replaced is part of an existing pattern
17881	definition sequence, inserting the new pattern statements before
17882	the original one.
17883	(vect_pattern_recog_1): Don't return a bool.  If the statement
17884	is already part of a pattern, instead apply pattern matching
17885	to the pattern definition statements.  Don't clear the
17886	STMT_VINFO_RELATED_STMT if is_pattern_stmt_p.
17887	(vect_pattern_recog): Don't break after the first match;
17888	continue processing the pattern definition statements instead.
17889	Don't bail out for STMT_VINFO_IN_PATTERN_P here.
17890
178912018-06-30  Richard Sandiford  <richard.sandiford@arm.com>
17892
17893	* tree-vect-patterns.c (vect_reassociating_reduction_p): New function.
17894	(vect_recog_dot_prod_pattern, vect_recog_sad_pattern)
17895	(vect_recog_widen_sum_pattern): Use it.
17896
178972018-06-30  Richard Sandiford  <richard.sandiford@arm.com>
17898
17899	* tree-vect-loop.c (vectorizable_reduction): Assert that the
17900	phi is not a pattern statement and has not been replaced by
17901	a pattern statement.
17902	* tree-vect-patterns.c (type_conversion_p): Don't check
17903	STMT_VINFO_IN_PATTERN_P.
17904	(vect_recog_vector_vector_shift_pattern): Likewise.
17905	(vect_recog_dot_prod_pattern): Expect vect_is_simple_use to return
17906	the pattern statement rather than the original statement; check
17907	directly for a WIDEN_MULT_EXPR here.
17908	* tree-vect-slp.c (vect_get_and_check_slp_defs): Expect
17909	vect_is_simple_use to return the pattern statement rather
17910	than the original statement; use is_pattern_stmt_p to check
17911	for such a pattern statement.
17912	* tree-vect-stmts.c (process_use): Expect vect_is_simple_use
17913	to return the pattern statement rather than the original statement;
17914	don't do the same transformation here.
17915	(vect_is_simple_use): If the defining statement has been replaced
17916	by a pattern statement, return the pattern statement instead.
17917	Remove the corresponding (local) transformation from the vectype
17918	overload.
17919
179202018-06-30  Richard Sandiford  <richard.sandiford@arm.com>
17921
17922	* tree-vectorizer.h (vect_is_simple_use): Move the gimple ** to the
17923	end and default to null.
17924	* tree-vect-loop.c (vect_create_epilog_for_reduction)
17925	(vectorizable_reduction): Update calls accordingly, dropping the
17926	gimple ** argument if the passed-back statement isn't needed.
17927	* tree-vect-patterns.c (vect_get_internal_def, type_conversion_p)
17928	(vect_recog_rotate_pattern): Likewise.
17929	(vect_recog_mask_conversion_pattern): Likewise.
17930	* tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise.
17931	(vect_mask_constant_operand_p): Likewise.
17932	* tree-vect-stmts.c (is_simple_and_all_uses_invariant, process_use):
17933	(vect_model_simple_cost, vect_get_vec_def_for_operand): Likewise.
17934	(get_group_load_store_type, get_load_store_type): Likewise.
17935	(vect_check_load_store_mask, vect_check_store_rhs): Likewise.
17936	(vectorizable_call, vectorizable_simd_clone_call): Likewise.
17937	(vectorizable_conversion, vectorizable_assignment): Likewise.
17938	(vectorizable_shift, vectorizable_operation): Likewise.
17939	(vectorizable_store, vect_is_simple_cond): Likewise.
17940	(vectorizable_condition, vectorizable_comparison): Likewise.
17941	(get_same_sized_vectype, vect_get_mask_type_for_stmt): Likewise.
17942	(vect_is_simple_use): Rename the def_stmt argument to def_stmt_out
17943	and move it to the end.  Cope with null def_stmt_outs.
17944
179452018-06-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17946
17947	* Makefile.in (FLAGS_TO_PASS): Add RANLIB_FOR_TARGET.
17948
179492018-06-29  Jeff Law  <law@redhat.com>
17950
17951	* config/v850/v850.c (v850_legitimate_address_p): Handle large
17952	displacements for TARGET_V850E2V3 and newer.
17953	(TARGET_LRA_P): Remove.  Defaults to LRA now.
17954	* config/v850/v850.md (sign23byte_load): Remove.
17955	(unsign23byte_load, sign23hword_load, unsign23hword_load): Likewise.
17956	(23word_load, 23byte_store, 23hword_store, 23word_store): Likewise.
17957
179582018-06-29  Martin Liska  <mliska@suse.cz>
17959
17960	PR lto/85759
17961	* coverage.c (coverage_init): Mangle full path name.
17962	* doc/invoke.texi: Document the change.
17963	* gcov-io.c (mangle_path): New.
17964	* gcov-io.h (mangle_path): Likewise.
17965	* gcov.c (mangle_name): Use mangle_path for path mangling.
17966
179672018-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17968
17969	* config/arm/arm.c (output_move_double): Don't allow STRD instructions
17970	if starting source register is not even.
17971
179722018-06-29  Martin Liska  <mliska@suse.cz>
17973
17974	PR tree-optimization/86263
17975	* tree-switch-conversion.c (switch_decision_tree::try_switch_expansion):
17976	Make edge redirection.
17977
179782018-06-29  David Malcolm  <dmalcolm@redhat.com>
17979
17980	* dumpfile.c (dump_loc): Add indentation based on scope depth.
17981	(dump_scope_depth): New variable.
17982	(get_dump_scope_depth): New function.
17983	(dump_begin_scope): New function.
17984	(dump_end_scope): New function.
17985	* dumpfile.h (get_dump_scope_depth): New declaration.
17986	(dump_begin_scope): New declaration.
17987	(dump_end_scope): New declaration.
17988	(class auto_dump_scope): New class.
17989	(AUTO_DUMP_SCOPE): New macro.
17990	* tree-vectorizer.h (DUMP_VECT_SCOPE): Reimplement in terms of
17991	AUTO_DUMP_SCOPE.
17992
179932018-06-29  Richard Biener  <rguenther@suse.de>
17994
17995	* tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Assert
17996	compute_all_dependences succeeds.
17997	* tree-vect-loop.c (vect_get_datarefs_in_loop): Fail early if we
17998	exceed --param loop-max-datarefs-for-datadeps.
17999
180002018-06-29  Jakub Jelinek  <jakub@redhat.com>
18001
18002	* config/rs6000/t-rs6000: Append rs6000-modes.h to TM_H.
18003
180042018-06-28  Uros Bizjak  <ubizjak@gmail.com>
18005
18006	PR target/86348
18007	* config/i386/sse.md (*vec_extractv4si_0_zext_sse4): Use
18008	alternative 0 in preferred_for_speed attribute.
18009
180102018-06-28  Paul Koning  <ni1d@arrl.net>
18011
18012	* config/pdp11/pdp11-protos.h (pdp11_shift_length): New function.
18013	* config/pdp11/pdp11.c (pdp11_shift_length): New function.
18014	* config/pdp11/pdp11.h (ADJUST_INSN_LENGTH): Remove.
18015	* config/pdp11/pdp11.md: Correct "length" attribute calculation
18016	for shift insn patterns.
18017
180182018-06-28  David Malcolm  <dmalcolm@redhat.com>
18019
18020	* cgraph.c (cgraph_node::get_body): Replace assignments to
18021	"dump_file" with calls to set_dump_file.
18022	* dumpfile.c (alt_dump_file): Make static, and group with...
18023	(alt_flags): ...this definition.
18024	(dumps_are_enabled): New variable.
18025	(refresh_dumps_are_enabled): New function.
18026	(set_dump_file): New function.
18027	(set_alt_dump_file): New function.
18028	(gcc::dump_manager::dump_start): Replace assignments to
18029	"dump_file" and "alt_dump_file" with calls to set_dump_file and
18030	set_alt_dump_file.
18031	(gcc::dump_manager::dump_finish): Likewise.
18032	* dumpfile.h (alt_dump_file): Delete decl.
18033	(dumps_are_enabled): New variable decl.
18034	(set_dump_file): New function decl.
18035	(dump_enabled_p): Rewrite in terms of new "dumps_are_enabled"
18036	global.
18037	* tree-nested.c (lower_nested_functions): Replace assignments to
18038	"dump_file" with calls to set_dump_file.
18039
180402018-06-28  Eric Botcazou  <ebotcazou@adacore.com>
18041
18042	* tree-cfg.c (verify_gimple_in_cfg): Call verify_location on the
18043	goto_locus of each outgoing edge of each basic block.
18044
180452018-06-28  Richard Biener  <rguenther@suse.de>
18046
18047	* dwarf2out.c (decl_scope_table): Remove.
18048	(push_decl_scope): Likewise.
18049	(pop_decl_scope): Likewise.
18050	(gen_type_die_for_member): Do not call push/pop_decl_scope.
18051	(gen_struct_or_union_type_die): Likewise.
18052	(gen_tagged_type_die): Likewise.
18053	(dwarf2out_init): Do not initialize decl_scope_table.
18054	(dwarf2out_c_finalize): Do not free it.
18055
180562018-06-28  Richard Biener  <rguenther@suse.de>
18057
18058	* dwarf2out.c (gen_subprogram_die): Use is_unit_die when
18059	deciding whether to not re-use a DIE.
18060
180612018-06-28  Richard Biener  <rguenther@suse.de>
18062
18063	* dwarf2out.c (gen_subprogram_die): Always re-use DIEs with an
18064	DW_AT_abstract_origin attribute.
18065
180662018-06-28  Martin Liska  <mliska@suse.cz>
18067
18068	* tree-switch-conversion.c (jump_table_cluster::can_be_handled):
18069	Use newly introduced constants.
18070	* tree-switch-conversion.h (struct jump_table_cluster):
18071	Define max_ratio_for_size and max_ratio_for_speed.
18072
180732018-06-28  Martin Liska  <mliska@suse.cz>
18074
18075	* tree-switch-conversion.c (jump_table_cluster::find_jump_tables):
18076	Add new checking assert to catch invalid state.
18077	(jump_table_cluster::can_be_handled): Handle single case
18078	clusters.
18079	(jump_table_cluster::is_beneficial): Bail out for such case.
18080	(bit_test_cluster::find_bit_tests):
18081	Add new checking assert to catch invalid state.
18082	(bit_test_cluster::can_be_handled): Handle single case
18083	clusters.
18084	(bit_test_cluster::is_beneficial): Bail out for such case.
18085	(switch_decision_tree::analyze_switch_statement):
18086	Fix comment.
18087
180882018-06-28  Martin Liska  <mliska@suse.cz>
18089
18090	* common.opt: Introduce -completion option.
18091	* gcc.c (driver_handle_option): Handle it.
18092	(driver::main): Print completions if completion
18093	is set.
18094	* opt-suggestions.c (option_proposer::get_completions):
18095	New function.
18096	(option_proposer::suggest_completion): Likewise.
18097	(option_proposer::find_param_completions): Likewise.
18098	(verify_autocompletions): Likewise.
18099	(test_completion_valid_options): Likewise.
18100	(test_completion_valid_params): Likewise.
18101	(in_completion_p): Likewise.
18102	(empty_completion_p): Likewise.
18103	(test_completion_partial_match): Likewise.
18104	(test_completion_garbage): Likewise.
18105	(opt_proposer_c_tests): Likewise.
18106	* opt-suggestions.h: Declare new functions.
18107	* opts.c (common_handle_option): Handle OPT__completion_.
18108	* selftest-run-tests.c (selftest::run_tests): Add
18109	opt_proposer_c_tests.
18110	* selftest.c (assert_str_startswith): New.
18111	* selftest.h (assert_str_startswith): Likewise.
18112	(opt_proposer_c_tests): New.
18113	(ASSERT_STR_STARTSWITH): Likewise.
18114
181152018-06-28  Martin Liska  <mliska@suse.cz>
18116
18117	* Makefile.in: Add opt-suggestions.o.
18118	* gcc-main.c: Include opt-suggestions.h.
18119	* gcc.c (driver::driver): Likewise.
18120	(driver::~driver): Remove m_option_suggestions.
18121	(driver::build_option_suggestions): Moved to option_proposer.
18122	(driver::suggest_option): Likewise.
18123	(driver::handle_unrecognized_options): Use option_proposer.
18124	* gcc.h (class driver): Add new memver m_option_proposer.
18125	* opt-suggestions.c: New file.
18126	* opt-suggestions.h: New file.
18127
181282018-06-28  Martin Liska  <mliska@suse.cz>
18129
18130	* vec.h (class auto_string_vec): New (moved from auto_argvec).
18131	(auto_string_vec::~auto_string_vec): Likewise.
18132
181332018-06-28  Eric Botcazou  <ebotcazou@adacore.com>
18134
18135	* tree-inline.h (struct copy_body_data): Move remapping_type_depth and
18136	prevent_decl_creation_for_types fields up and add reset_location field.
18137	* tree-inline.c (remap_gimple_stmt): Force input_location on the new
18138	statement if id->reset_location is true.
18139	(copy_edges_for_bb): Do not set goto_locus on the new edges if
18140	id->reset_location is true.
18141	(copy_phis_for_bb): Force input_location on the arguments if
18142	id->reset_location is true.
18143	(expand_call_inline): Set id->reset_location if DECL_IGNORED_P
18144	is set on the function to be inlined.
18145
181462018-06-27  Stephan Bergmann  <sbergman@redhat.com>
18147
18148	* doc/invoke.texi (Debugging Options): Add -gsplit-dwarf.
18149
181502018-06-27  Dimitar Dimitrov  <dimitar@dinux.eu>
18151
18152	* lra-eliminations.c (update_reg_eliminate): Mark all spanning hard
18153	registers for Pmode.
18154	* lra-lives.c (check_pseudos_live_through_calls): Mark all spanning
18155	hard registers for the clobbered pseudo.
18156
181572018-06-27  Paul Koning  <ni1d@arrl.net>
18158
18159	* common/config/pdp11/pdp11-common.c (pdp11_handle_option): Handle
18160	mutually exclusive options.
18161	* config/pdp11/constraints.md (h): New constraint.
18162	(O): Update definition to match shift code generation.
18163	(D): New constraint.
18164	* config/pdp11/pdp11-modes.def (CCNZ): Define mode.
18165	(CCFP): Remove.
18166	* config/pdp11/pdp11-protos.h (int_no_side_effect_operand): New
18167	function.
18168	(output_jump): Change arguments.
18169	(pdp11_fixed_cc_regs): New function.
18170	(pdp11_cc_mode): Ditto.
18171	(pdp11_expand_shift): Ditto.
18172	(pdp11_assemble_shift): Ditto.
18173	(pdp11_small_shift): Ditto.
18174	(pdp11_branch_cost): Remove.
18175	* config/pdp11/pdp11.c (pdp11_assemble_integer): Remove comments
18176	from output.
18177	(pdp11_register_move_cost): Update for CC registers.
18178	(pdp11_rtx_costs): Add case for LSHIFTRT.
18179	(pdp11_output_jump): Add CCNZ mode conditional branches.
18180	(notice_update_cc_on_set): Remove.
18181	(pdp11_cc_mode): New function.
18182	(simple_memory_operand): Correct pre/post decrement case.
18183	(no_side_effect_operand): New function.
18184	(pdp11_regno_reg_class): Add CC_REGS class.
18185	(pdp11_fixed_cc_regs): New function.
18186	(pdp11_small_shift): New function.
18187	(pdp11_expand_shift): New function to expand shift insns.
18188	(pdp11_assemble_shift): New function to output shifts.
18189	(pdp11_branch_cost): Remove.
18190	(pdp11_modes_tieable_p): Make QI/HI modes tieable.
18191	* config/pdp11/pdp11.h (SIZE_TYPE): Ensure 16-bit type.
18192	(WCHAR_TYPE): Ditto.
18193	(PTRDIFF_TYPE): Ditto.
18194	(ADJUST_INSN_LENGTH): New macro.
18195	(FIXED_REGISTERS): Add CC registers.
18196	(CALL_USED_REGISTERS): Ditto.
18197	(reg_class): Ditto.
18198	(REG_CLASS_NAMES): Ditto.
18199	(REG_CLASS_CONTENTS): Ditto.
18200	(SELECT_CC_MODE): Use new function.
18201	(TARGET_FLAGS_REGNUM): New macro.
18202	(TARGET_FIXED_CONDITION_CODE_REGS): Ditto.
18203	(cc0_reg_rtx): Remove.
18204	(CC_STATUS_MDEP): Remove.
18205	(CC_STATUS_MDEFP_INIT): Remove.
18206	(CC_IN_FPU): Remove.
18207	(NOTICE_UPDATE_CC): Remove.
18208	(REGISTER_NAMES): Add CC registers.
18209	(BRANCH_COST): Change to constant 1.
18210	* config/pdp11/pdp11.md: Rewrite for CCmode condition code
18211	handling.
18212	* config/pdp11/pdp11.opt (mbcopy): Remove.
18213	(mbcopy-builtin): Remove.
18214	(mbranch-cheap): Remove.
18215	(mbranch-expensive): Remove.
18216	* config/pdp11/predicates.md (expand_shift_operand): Update to
18217	match shift code generation.
18218	(ccnz_operator): New predicate.
18219	* doc/invoke.texi (PDP-11 Options): Remove deleted options
18220	-mbcopy, -mbcopy-builtin, -mbranch-cheap, -mbranch-expensive.
18221	Remove non-existent option -mabshi, -mno-abshi.  Document mutually
18222	exclusive options.
18223	* doc/md.texi (PDP-11): Document new D and h constraints.  Update
18224	description of O constraint.
18225
182262018-06-27  Jeff Law  <law@redhat.com>
18227	    Austin Law  <austinklaw@gmail.com>
18228
18229	* config/v850/v850.md (addsi3_set_flags): New pattern.
18230	(subsi3_set_flags, negsi2_set_flags, andsi3_set_flags): Likewise.
18231	(iorsi3_set_flags, xorsi3_set_flags, one_cmplsi2_set_flags): Likewise.
18232	(zero_extendhisi2_v850_set_flags): Likewise.
18233	(zero_extendqisi2_v850_set_flags): Likewise.
18234	(ashlsi3_set_flags, ashlsi3_v850e2_set_flags): Likewise.
18235	(lshrsi3_set_flags, lshrsi3_v850e2_set_flags): Likewise.
18236	(ashrsi3_set_flags, ashrsi3_v850e2_set_flags): Likewise.
18237
18238	* config/v850/v850-protos.h (notice_update_cc): Remove.
18239	* config/v850/v850.c (v850_compare_op0, v850_compare_op1): Remove.
18240	(v850_print_operand): Handle 'D' and "d".
18241	(v850_select_cc_mode): Remove ATTRIBUTE_UNUSED for last argument.
18242	Add handling of arithmetic/logical operations compared against zero.
18243	(v850_gen_float_compare): Remove ATTRIBUTE_UNUSED for last argument.
18244	Do not look at v850_compare_op, instead get mode from last argument.
18245	(v850_gen_compare): Remove
18246	(increment_stack): Use addsi3_clobber_flags to avoid splitting failure
18247	after reload for prologue insns.
18248	(expand_prologue): Account for CLOBBER of CC_REGNUM in various
18249	patterns.
18250	(construct_save_jarl): Likewise.
18251	(TARGET_FLAGS_REGNUM): Define.
18252	* config/v850/v850.h (v850_compare_op0, v850_compare_op1): Remove.
18253	(NOTICE_UPDATE_CC): Remove.
18254	* config/v850/v850.md (v850_tst1): Use (reg:CCZ CC_REGNUM) rather
18255	than cc0.  Conditionalize on reload_completed.
18256	(cmpsi_insn, setfcc_insn): Likewise.
18257	(tst1 splitter): Turn into define_and_split which sets the flags
18258	after reload.
18259	(cstoresi4, cbranchsf4, cbranchdf4, cbranchsi4_insn): Likewise.
18260	(cbranchsi4, branch_normal, branch_invert): Do not expose cc0 here.
18261	(cstoresf4, cstoredf4): Clobber the flags.
18262	(cmpsi, cmpsf, cmpdf): Remove expanders.
18263	(setf_insn): Remove pattern.
18264	(addsi3): Turn into define_and_split which clobbers the flags after
18265	reload and a suitable pattern (addsi3_clobber_flags) for use after
18266	reload.
18267	(subsi3, negsi2, andsi3, iorsi3, xorsi3, one_cmplsi2) Likewise.
18268	(ashlsi3, ashlsi3_v850e2, lshrsi3, lsh4si3_v850e2): Likewise.
18269	(ashrsi3, ashrsi3_v850e2): Likewise.
18270	(bins): Clobber the flags.
18271	(movsicc_normal_cc, movsicc_normal, movsicc_tst1): Likewise.
18272	(movsicc_tst1_revesed, sasf, swap and rotate patterns): Likewise.
18273	(fix_loop_counter, call_internal_short, call_internal_long): Likewise.
18274	(call_value_internal_short, call_value_internal_long): Likewise.
18275	(callt_save_interrupt, callt_return_interrupt): Likewise.
18276	(save_interrupt, return_interrupt): Likewise.
18277	(callt_save_all_interrupt, save_all_interrupt): Likewise.
18278	(_save_all_interrupt, callt_restore_all_interrupt): Likewise.
18279	(restore_all_interrupt, _restore_all_interrupt): Likewise.
18280	(All FP comparisons): Only allow after reload has completed.
18281	(trfsr): Likewise.
18282	(divh, divhu): Tweak output template.
18283	(branch_z_normal, branch_z_invert): Remove
18284	(branch_nz_normal, branch_nz_invert): Likewise.
18285	(extendhisi_insn, extendqisi_insn): Do not clobber flags.
18286
18287	* config/v850/v850-modes.def (CCZ, CCNZ): Add new modes.
18288	* config/v850/v850.c (notice_update_cc): Remove.
18289	* config/v850/v850.h  (CC_OVERFLOW_UNUSABLE): Remove
18290	(CC_NO_CARRY): Likewise.
18291	(NOTICE_UPDATE_CC): Define to nothing.
18292	* config/v850/v850.md: Remove block comment on cc0 handling
18293	Remove "cc" attribute from all patterns.  Remove cc_status handling
18294	from all patterns.  Minor formatting fixes.
18295
182962018-06-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18297
18298	* config/aarch64/aarch64-cores.def (cortex-a76): New entry.
18299	(cortex-a76.cortex-a55): Likewise.
18300	* config/aarch64/aarch64-tune.md: Regenerate.
18301	* doc/invoke.texi (AArch64 Options): Document cortex-a76 and
18302	cortex-a76.cortex-a55.
18303
183042018-06-27  Jeff Law  <law@redhat.com>
18305
18306	* config/v850/t-v850 (MULTILIB_OPTIONS): Remove 8byte-align.
18307	(MULTILIB_DIRNAMES): Similarly.
18308
183092018-06-27  Eric Botcazou  <ebotcazou@adacore.com>
18310
18311	* gimple.h (gimple_return_retbnd): Delete.
18312	(gimple_return_set_retbnd): Likewise.
18313	* cgraphunit.c (cgraph_node::expand_thunk): Remove call to
18314	gimple_return_set_retbnd.
18315	* gimple-pretty-print.c (dump_gimple_return): Remove call to
18316	gimple_return_retbnd and adjust.
18317	* tree-inline.h (struct copy_body_data): Remove retbnd field.
18318	* tree-inline.c (remap_gimple_stmt): Remove handling of retbnd.
18319	Explicitly return NULL in a couple more cases.  Move assertion
18320	on debug statements and remove unreachable code.
18321	(reset_debug_binding): Do not test id->retbnd.
18322	(expand_call_inline): Do not set it.
18323
183242018-06-27  Rasmus Villemoes  <rv@rasmusvillemoes.dk>
18325
18326	* configure.ac: Add --disable-gcov option.
18327	* configure: Regenerate.
18328	* Makefile.in: Honour @enable_gcov@.
18329	* doc/install.texi: Document --disable-gcov.
18330
183312018-06-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18332
18333	* config/arm/arm-cpus.in (cortex-a76): New entry.
18334	(cortex-a76.cortex-a55): Likewise.
18335	* config/arm/arm-tables.opt: Regenerate.
18336	* config/arm/arm-tune.md: Likewise.
18337	* config/arm/driver-arm.c (arm_cpu_table): Add Cortex-A76 entry.
18338	* doc/invoke.texi (ARM Options): Document cortex-a76 and
18339	cortex-a76.cortex-a55.
18340
183412018-06-27  Tamar Christina  <tamar.christina@arm.com>
18342
18343	PR target/85769
18344	* config/aarch64/aarch64.md (*movhf_aarch64): Add dup v0.4h pattern.
18345
183462018-06-27  Siddhesh Poyarekar  <siddhesh@sourceware.org>
18347
18348	* config/aarch64/aarch64.h (CALL_USE_REGISTERS): Fix obsolete
18349	comment.
18350	(EPILOGUE_USES): Likewise.
18351
183522018-06-26  Eric Botcazou  <ebotcazou@adacore.com>
18353
18354	* tree-inline.c (remap_location): New function extracted from...
18355	(copy_edges_for_bb): Add ID parameter.  Remap goto_locus.
18356	(copy_phis_for_bb): ...here.  Call remap_location.
18357	(copy_cfg_body): Adjust call to copy_edges_for_bb.
18358
183592018-06-26  Aaron Sawdey  <acsawdey@linux.ibm.com>
18360
18361	* config/rs6000/rs6000-string.c (expand_block_clear): Don't use
18362	unaligned vsx for 16B memset.
18363
183642018-06-26  Segher Boessenkool  <segher@kernel.crashing.org>
18365
18366	PR target/86285
18367	* config/rs6000/rs6000.c (rs6000_init_builtins): Do not set
18368	ieee128_float_type_node to long_double_type_node unless
18369	TARGET_LONG_DOUBLE_128 is set.
18370
183712018-06-26  David Malcolm  <dmalcolm@redhat.com>
18372
18373	* cfgloop.c (get_loop_location): Convert return type from
18374	location_t to dump_user_location_t, replacing INSN_LOCATION lookups
18375	by implicit construction from rtx_insn *, and using
18376	dump_user_location_t::from_function_decl for the fallback case.
18377	* cfgloop.h (get_loop_location): Convert return type from
18378	location_t to dump_user_location_t.
18379	* cgraphunit.c (walk_polymorphic_call_targets): Update call to
18380	dump_printf_loc to pass in a dump_location_t rather than a
18381	location_t, via the gimple stmt.
18382	* coverage.c (get_coverage_counts): Update calls to
18383	dump_printf_loc to pass in dump_location_t rather than a
18384	location_t.
18385	* doc/optinfo.texi (Dump types): Convert example of
18386	dump_printf_loc from taking "locus" to taking "insn".  Update
18387	description of the "_loc" calls to cover dump_location_t.
18388	* dumpfile.c: Include "backend.h", "gimple.h", "rtl.h", and
18389	"selftest.h".
18390	(dump_user_location_t::dump_user_location_t): New constructors,
18391	from gimple *stmt and rtx_insn *.
18392	(dump_user_location_t::from_function_decl): New function.
18393	(dump_loc): Make static.
18394	(dump_gimple_stmt_loc): Convert param "loc" from location_t to
18395	const dump_location_t &.
18396	(dump_generic_expr_loc): Delete.
18397	(dump_printf_loc): Convert param "loc" from location_t to
18398	const dump_location_t &.
18399	(selftest::test_impl_location): New function.
18400	(selftest::dumpfile_c_tests): New function.
18401	* dumpfile.h: Include "profile-count.h".
18402	(class dump_user_location_t): New class.
18403	(struct dump_impl_location_t): New struct.
18404	(class dump_location_t): New class.
18405	(dump_printf_loc): Convert 2nd param from source_location to
18406	const dump_location_t &.
18407	(dump_generic_expr_loc): Delete.
18408	(dump_gimple_stmt_loc): Convert 2nd param from source_location to
18409	const dump_location_t &.
18410	* gimple-fold.c (fold_gimple_assign): Update call to
18411	dump_printf_loc to pass in a dump_location_t rather than a
18412	location_t, via the gimple stmt.
18413	(gimple_fold_call): Likewise.
18414	* gimple-loop-interchange.cc
18415	(loop_cand::analyze_iloop_reduction_var): Update for change to
18416	check_reduction_path.
18417	(tree_loop_interchange::interchange): Update for change to
18418	find_loop_location.
18419	* graphite-isl-ast-to-gimple.c (scop_to_isl_ast): Update for
18420	change in return-type of find_loop_location.
18421	(graphite_regenerate_ast_isl): Likewise.
18422	* graphite-optimize-isl.c (optimize_isl): Likewise.
18423	* graphite.c (graphite_transform_loops): Likewise.
18424	* ipa-devirt.c (ipa_devirt): Update call to dump_printf_loc to
18425	pass in a dump_location_t rather than a location_t, via the
18426	gimple stmt.
18427	* ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
18428	* ipa.c (walk_polymorphic_call_targets): Likewise.
18429	* loop-unroll.c (report_unroll): Convert "locus" param from
18430	location_t to dump_location_t.
18431	(decide_unrolling): Update for change to get_loop_location's
18432	return type.
18433	* omp-grid.c (struct grid_prop): Convert field "target_loc" from
18434	location_t to dump_user_location_t.
18435	(grid_find_single_omp_among_assignments_1): Updates calls to
18436	dump_printf_loc to pass in a dump_location_t rather than a
18437	location_t, via the gimple stmt.
18438	(grid_parallel_clauses_gridifiable): Convert "tloc" from
18439	location_t to dump_location_t.  Updates calls to dump_printf_loc
18440	to pass in a dump_location_t rather than a location_t, via the
18441	gimple stmt.
18442	(grid_inner_loop_gridifiable_p): Likewise.
18443	(grid_dist_follows_simple_pattern): Likewise.
18444	(grid_gfor_follows_tiling_pattern): Likewise.
18445	(grid_target_follows_gridifiable_pattern): Likewise.
18446	(grid_attempt_target_gridification): Convert initialization
18447	of local "grid" from memset to zero-initialization; FIXME: does
18448	this require C++11?  Update call to dump_printf_loc to pass in a
18449	optinfo_location rather than a location_t, via the gimple stmt.
18450	* profile.c (read_profile_edge_counts): Updates call to
18451	dump_printf_loc to pass in a dump_location_t rather than a
18452	location_t
18453	(compute_branch_probabilities): Likewise.
18454	* selftest-run-tests.c (selftest::run_tests): Call
18455	dumpfile_c_tests.
18456	* selftest.h (dumpfile_c_tests): New decl.
18457	* tree-loop-distribution.c (pass_loop_distribution::execute):
18458	Update for change in return type of find_loop_location.
18459	* tree-parloops.c (parallelize_loops): Likewise.
18460	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Convert
18461	"locus" from location_t to dump_user_location_t.
18462	(canonicalize_loop_induction_variables): Likewise.
18463	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_loop): Update
18464	for change in return type of find_loop_location.
18465	* tree-ssa-loop-niter.c (number_of_iterations_exit): Update call
18466	to dump_printf_loc to pass in a dump_location_t rather than a
18467	location_t, via the stmt.
18468	* tree-ssa-sccvn.c (eliminate_dom_walker::before_dom_children):
18469	Likewise.
18470	* tree-vect-loop-manip.c (find_loop_location): Convert return
18471	type from source_location to dump_user_location_t.
18472	(vect_do_peeling): Update for above change.
18473	(vect_loop_versioning): Update for change in type of
18474	vect_location.
18475	* tree-vect-loop.c (check_reduction_path): Convert "loc" param
18476	from location_t to dump_user_location_t.
18477	(vect_estimate_min_profitable_iters): Update for change in type
18478	of vect_location.
18479	* tree-vect-slp.c (vect_print_slp_tree): Convert param "loc" from
18480	location_t to dump_location_t.
18481	(vect_slp_bb): Update for change in type of vect_location.
18482	* tree-vectorizer.c (vect_location): Convert from source_location
18483	to dump_user_location_t.
18484	(try_vectorize_loop_1): Update for change in vect_location's type.
18485	(vectorize_loops): Likewise.
18486	(increase_alignment): Likewise.
18487	* tree-vectorizer.h (vect_location): Convert from source_location
18488	to dump_user_location_t.
18489	(find_loop_location): Convert return type from source_location to
18490	dump_user_location_t.
18491	(check_reduction_path): Convert 1st param from location_t to
18492	dump_user_location_t.
18493	* value-prof.c (check_counter): Update call to dump_printf_loc to
18494	pass in a dump_user_location_t rather than a location_t; update
18495	call to error_at for change in type of "locus".
18496	(check_ic_target): Update call to dump_printf_loc to
18497	pass in a dump_user_location_t rather than a location_t, via the
18498	call_stmt.
18499
185002018-06-26  Robin Dapp  <rdapp@linux.vnet.ibm.com>
18501
18502	* config/s390/s390.h (enum processor_flags): Do not use
18503	default tune parameter when -march was specified.
18504
185052018-06-26  Jakub Jelinek  <jakub@redhat.com>
18506
18507	PR target/86314
18508	* config/i386/i386.md (setcc + movzbl to xor + setcc peephole2s):
18509	Check reg_overlap_mentioned_p in addition to reg_set_p with the same
18510	operands.
18511
185122018-06-26  Richard Biener  <rguenther@suse.de>
18513
18514	PR tree-optimization/86287
18515	PR bootstrap/86316
18516	* tree-vect-loop.c (vect_transform_loop_stmt): Fix read-after-free.
18517	(vect_analyze_loop): Initialize n_stmts.
18518
185192018-06-26  Richard Biener  <rguenther@suse.de>
18520
18521	PR middle-end/86271
18522	* fold-const.c (fold_convertible_p): Pointer extension
18523	isn't valid.
18524
185252018-06-26  Alexandre Oliva  <aoliva@redhat.com>
18526
18527	PR debug/86064
18528	* dwarf2out.c (loc_list_has_views): Adjust comments.
18529	(dw_loc_list): Split single cross-partition range with
18530	nonzero locview.
18531
185322018-06-25  Jeff Law  <law@redhat.com>
18533
18534	* common/config/v850/v850-common.c (TARGET_DEFAULT_TARGET_FLAGS): Turn
18535	on -mbig-switch by default.
18536
18537	* config/v850/predicates.md (const_float_1_operand): Fix match_code
18538	test.
18539	(const_float_0_operand): Remove unused predicate.
18540	* config/v850/v850.md (define_constants): Remove UNSPEC_LOOP.
18541	(define_c_enum unspec): Add LOOP, RCP and RSQRT constants.
18542	(recipsf2): New expander.  Original pattern now called
18543	(recipsf2_insn).
18544	(recipdf2, recipdf2_insn): Similarly.
18545	(rsqrtsf2, rsqrtsf2_insn): Similarly
18546	(rsqrtdf2, rsqrtdf2_insn): Similarly
18547
185482018-06-26  Gerald Pfeifer  <gerald@pfeifer.com>
18549
18550	* ginclude/stddef.h: Remove an obsolete comment on FreeBSD 5.
18551	Simplify logic for FreeBSD (twice).
18552
185532018-06-25  Martin Sebor  <msebor@redhat.com>
18554
18555	PR tree-optimization/86204
18556	* tree-ssa-strlen.c (handle_builtin_strlen): Avoid storing
18557	a strnlen result if it's less than the length of the string.
18558
185592018-06-25  Martin Sebor  <msebor@redhat.com>
18560
18561	PR tree-optimization/85700
18562	* gimple-fold.c (gimple_fold_builtin_strncat): Adjust comment.
18563	* tree-ssa-strlen.c (is_strlen_related_p): Handle integer subtraction.
18564	(maybe_diag_stxncpy_trunc): Distinguish strncat from strncpy.
18565
185662018-06-25  Martin Sebor  <msebor@redhat.com>
18567
18568	* doc/extend.texi (Zero-length arrays): Update and clarify.
18569
185702018-06-25  Michael Meissner  <meissner@linux.ibm.com>
18571
18572	* config.gcc (powerpc64le*): Revert January 16th, 2018 patch that
18573	added IEEE/IBM long double multilib support on PowerPC little
18574	endian Linux systems.
18575	* config/rs6000/linux64.h (MULTILIB_DEFAULTS_IEEE): Likewise.
18576	(MULTILIB_DEFAULTS): Likewise.
18577	* config/rs6000/rs6000.c (rs6000_option_override_internal):
18578	Likewise.
18579	* config/rs6000/rs6000.h (TARGET_IEEEQUAD_MULTILIB): Likewise.
18580	* config/rs6000/t-ldouble-linux64le-ibm: Delete, no longer used.
18581	* config/rs6000/t-ldouble-linux64le-ieee: Delete, no longer used.
18582
185832018-06-25  Alexander Monakov  <amonakov@ispras.ru>
18584
18585	PR middle-end/86311
18586	* sort.cc (REORDER_23): Avoid memcpy with same destination and source.
18587	(REORDER_45): Likewise.
18588
185892018-06-25  Jeff Law  <law@redhat.com>
18590
18591	* config/v850/v850.md (divmodhi4): Make sure to sign extend the
18592	dividend to 32 bits.  Adjust length.
18593	(udivmodhi4): Cleanup output template.  Fix length.
18594
185952018-06-25  Carl Love  <cel@us.ibm.com>
18596
18597	* config/rs6000/vsx.md: Change word selector to prefered location.
18598
185992018-06-25  Richard Biener  <rguenther@suse.de>
18600
18601	PR tree-optimization/86304
18602	* tree-vectorizer.c (vectorize_loops): Walk over new possibly
18603	epilogue-if-converted loops as well.
18604
186052018-06-25  Jan Hubicka  <hubicka@ucw.cz>
18606
18607	* lto-section-out.c (lto_begin_section): Do not print section
18608	name for noaddr and unnumbered dumps.
18609
186102018-06-25  Richard Biener  <rguenther@suse.de>
18611
18612	* tree-vectorizer.h (struct vec_info_shared): New structure
18613	with parts split out from struct vec_info and loop_nest from
18614	struct _loop_vec_info.
18615	(struct vec_info): Adjust accordingly.
18616	(struct _loop_vec_info): Likewise.
18617	(LOOP_VINFO_LOOP_NEST): Adjust.
18618	(LOOP_VINFO_DATAREFS): Likewise.
18619	(LOOP_VINFO_DDRS): Likewise.
18620	(struct _bb_vec_info): Likewise.
18621	(BB_VINFO_DATAREFS): Likewise.
18622	(BB_VINFO_DDRS): Likewise.
18623	(struct _stmt_vec_info): Add dr_aux member.
18624	(DR_VECT_AUX): Adjust to refer to member of DR_STMTs vinfo.
18625	(DR_MISALIGNMENT_UNINITIALIZED): New.
18626	(set_dr_misalignment): Adjust.
18627	(dr_misalignment): Assert misalign isn't DR_MISALIGNMENT_UNINITIALIZED.
18628	(vect_analyze_loop): Adjust prototype.
18629	(vect_analyze_loop_form): Likewise.
18630	* tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
18631	Compute dependences lazily.
18632	(vect_record_base_alignments): Use shared datarefs/ddrs.
18633	(vect_verify_datarefs_alignment): Likewise.
18634	(vect_analyze_data_refs_alignment): Likewise.
18635	(vect_analyze_data_ref_accesses): Likewise.
18636	(vect_analyze_data_refs): Likewise.
18637	* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Add
18638	constructor parameter for shared part.
18639	(vect_analyze_loop_form): Pass in shared part and adjust.
18640	(vect_analyze_loop_2): Pass in storage for the number of
18641	stmts.  Move loop nest finding to the caller.  Compute
18642	datarefs lazily.
18643	(vect_analyze_loop): Pass in shared part.
18644	(vect_transform_loop): Verify shared datarefs are unchanged.
18645	* tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Add
18646	constructor parameter for shared part.
18647	(vect_slp_analyze_bb_1): Pass in shared part and adjust.
18648	(vect_slp_bb): Verify shared datarefs are unchanged before
18649	transform.
18650	* tree-vect-stmts.c (ensure_base_align): Adjust for DR_AUX
18651	change.
18652	(new_stmt_vec_info): Initialize DR_AUX misalignment to
18653	DR_MISALIGNMENT_UNINITIALIZED.
18654	* tree-vectorizer.c (vec_info::vec_info): Add constructor
18655	parameter for shared part.
18656	(vec_info::~vec_info): Adjust.
18657	(vec_info_shared::vec_info_shared): New.
18658	(vec_info_shared::~vec_info_shared): Likewise.
18659	(vec_info_shared::save_datarefs): Likewise.
18660	(vec_info_shared::check_datarefs): Likewise.
18661	(try_vectorize_loop_1): Construct shared part live for analyses
18662	of a single loop for multiple vector sizes.
18663	* tree-parloops.c (gather_scalar_reductions): Adjust.
18664
186652018-06-25  Richard Biener  <rguenther@suse.de>
18666
18667	* tree-vect-data-refs.c (vect_find_stmt_data_reference): Modify
18668	DR for SIMD lane accesses here and mark DR with (void *)-1 aux.
18669	(vect_analyze_data_refs): Remove similar code from here and
18670	simplify accordingly.
18671
186722018-06-25  Richard Biener  <rguenther@suse.de>
18673
18674	* tree-vect-data-refs.c (vect_check_gather_scatter): Fail
18675	for reverse storage order accesses rather than asserting
18676	they cannot happen here.
18677
186782018-06-25  Tom de Vries  <tdevries@suse.de>
18679
18680	PR debug/86257
18681	* config/i386/i386.md (define_insn "*tls_global_dynamic_64_<mode>"):
18682	Use data16 instead of .byte for insn prefix.
18683
186842018-06-25  Andreas Krebbel  <krebbel@linux.ibm.com>
18685
18686	PR C++/86082
18687	* parser.c (make_char_string_pack): Pass this literal chars
18688	through cpp_interpret_string.
18689	(cp_parser_userdef_numeric_literal): Check the result of
18690	make_char_string_pack.
18691
186922018-06-24  Maya Rashish  <coypu@sdf.org>
18693
18694	* ginclude/stddef.h: Simplify conditions around avoiding
18695	re-definition of __size_t.
18696
186972018-06-22  Jan Hubicka  <hubicka@ucw.cz>
18698
18699	* lto-streamer-out.c (tree_is_indexable): Make LABEL_DECL nonindexable
18700	unless it is forced or nonlocal; assert that we stream no IMPORTED_DECL.
18701
187022018-06-22  Maya Rashish  <coypu@sdf.org>
18703
18704	* doc/invoke.texi (mno-fancy-math-387): Update for changes
18705	made to OpenBSD and NetBSD through the years.
18706
187072018-06-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18708
18709	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change
18710	behavior of vec_pack (vector double, vector double) to match
18711	behavior of vec_float2 (vector double, vector double).
18712
187132018-06-22  Olivier Hainque  <hainque@adacore.com>
18714
18715	* gimplify.c (gimplify_function_tree): Prevent creation
18716	of a trampoline for the address of the current function
18717	passed to entry/exit instrumentation hooks.
18718
187192018-06-22  Aaron Sawdey  <acsawdey@linux.ibm.com>
18720
18721	PR target/86222
18722	* config/rs6000/rs6000-string.c (expand_strn_compare): Handle -m32
18723	correctly.
18724
187252018-06-22  Martin Liska  <mliska@suse.cz>
18726
18727	PR tree-optimization/86263
18728	* tree-switch-conversion.c (jump_table_cluster::find_jump_tables):
18729	Bail out if is_enabled is false.
18730	* tree-switch-conversion.h (jump_table_cluster::is_enabled):
18731	New declaration.
18732	(jump_table_cluster::is_enabled): New function.
18733
187342018-06-22  Jan Hubicka  <hubicka@ucw.cz>
18735
18736	* lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream
18737	BINFO_BASE_ACCESSES and BINFO_VPTR_FIELD.
18738	* tree-streamer-in.c (streamer_read_tree_bitfields): Likewise.
18739	(lto_input_ts_binfo_tree_pointers): Likewise.
18740	* tree-streamer-out.c (streamer_write_tree_bitfields,
18741	write_ts_binfo_tree_pointers): Likewise.
18742	* tree.c (free_lang_data_in_binfo): Clear BINFO_VPTR_FIELD.
18743
187442018-06-22  Jan Hubicka  <hubicka@ucw.cz>
18745
18746	* tree.c (free_lang_data_in_type): Free all TYPE_VFIELDs.
18747
187482018-06-22  Martin Liska  <mliska@suse.cz>
18749
18750	* symbol-summary.h (get): Make it pure and inline move
18751	functionality from ::get function.
18752	(get): Remove and inline into ::get and ::get_create.
18753	(get_create): Move code from ::get function.
18754
187552018-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
18756
18757	PR target/85994
18758	* config/i386/sol2.h (CPP_SPEC): Don't pass -P for
18759	-x assembler-with-cpp.
18760
187612018-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
18762
18763	* config/sol2.h (TARGET_OS_CPP_BUILTINS): Define
18764	_FILE_OFFSET_BITS=64 for C++.
18765
187662018-06-21  Michael Meissner  <meissner@linux.ibm.com>
18767
18768	* config/rs6000/rs6000.md (extendtfif2): Add missing 128-bit
18769	conversion insn that shows up when pr85657-3.c is compiled using
18770	IEEE 128-bit long double.
18771	(neg<mode>2_internal): Use the correct mode to check whether the
18772	mode is IBM extended.
18773	* config/rs6000/rs6000.c (init_float128_ieee): Prevent complex
18774	multiply and divide external functions from being created more
18775	than once.
18776
187772018-06-21  Eric Botcazou  <ebotcazou@adacore.com>
18778
18779	* cfgrtl.c (fixup_reorder_chain): Do not emit NOPs in DECL_IGNORED_P
18780	functions.
18781	(rtl_merge_blocks): Likewise.  Do not emit a NOP if the location of
18782	the edge can be forwarded.
18783	(cfg_layout_merge_blocks): Likewise.
18784
187852018-06-21  Eric Botcazou  <ebotcazou@adacore.com>
18786
18787	* except.c (finish_eh_generation): Commit edge insertions only after
18788	the EH edges have been redirected from post-landing to landing pads.
18789
187902018-06-21  Eric Botcazou  <ebotcazou@adacore.com>
18791
18792	* tree-nested.c (get_frame_type): Use create_tmp_var_raw instead of
18793	create_tmp_var_for to create the FRAME decl.
18794	(finalize_nesting_tree_1): Do not unchain the FRAME decl.
18795
187962018-06-21  Eric Botcazou  <ebotcazou@adacore.com>
18797
18798	* tree-inline.c (copy_edges_for_bb): Minor tweak.
18799	(maybe_move_debug_stmts_to_successors): Also reset the locus of the
18800	debug statement when resetting its value.
18801	(expand_call_inline): Copy the locus of the call onto the assignment
18802	of the return value, if any.  Use local variable in more cases.
18803
188042018-06-21  Martin Liska  <mliska@suse.cz>
18805
18806	* ipa-pure-const.c (propagate_nothrow): Use
18807	funct_state_summaries->get.
18808	(dump_malloc_lattice): Likewise.
18809	(propagate_malloc): Likewise.
18810
188112018-06-21  Richard Biener  <rguenther@suse.de>
18812
18813	* lto-streamer-out.c (DFS::DFS_write_tree_body): Update outdated
18814	comment.  Follow BLOCK_ABSTRACT_ORIGIN unconditionally.
18815	* tree-streamer-in.c (lto_input_ts_block_tree_pointers): Update
18816	comment.
18817	* tree-streamer-out.c (write_ts_block_tree_pointers): Stream
18818	BLOCK_ABSTRACT_ORIGIN unconditionally.
18819
188202018-06-21  David Malcolm  <dmalcolm@redhat.com>
18821
18822	* ipa-cp.c (ipcp_driver): Set edge_clone_summaries to NULL after
18823	deleting it.
18824	* ipa-reference.c (ipa_reference_c_finalize): Delete
18825	ipa_ref_opt_sum_summaries and set it to NULL.
18826
188272018-06-21  Tom de Vries  <tdevries@suse.de>
18828
18829	PR tree-optimization/85859
18830	* tree-ssa-tail-merge.c (stmt_local_def): Copy gimple_is_call
18831	test with comment from bb_no_side_effects_p.
18832
188332018-06-21  Richard Biener  <rguenther@suse.de>
18834
18835	PR tree-optimization/86232
18836	* tree-ssa-loop-niter.c (number_of_iterations_popcount): Adjust
18837	max for constant niter.
18838
188392018-06-21  Andre Vieira  <andre.simoesdiasvieira@arm.com>
18840
18841	* config/aarch64/aarch64-simd.md
18842	(*aarch64_crypto_aes<aes_op>v16qi_xor_combine): New.
18843
188442018-06-21  Andre Vieira  <andre.simoesdiasvieira@arm.com>
18845
18846	* config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aes_op>v16qi):
18847	Make opernads of the unspec commutative.
18848
188492018-06-21  Richard Biener  <rguenther@suse.de>
18850
18851	* tree-data-ref.c (dr_step_indicator): Handle NULL DR_STEP.
18852	* tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
18853	Avoid calling vect_mark_for_runtime_alias_test with gathers or scatters.
18854	(vect_analyze_data_ref_dependence): Re-order checks to deal with
18855	NULL DR_STEP.
18856	(vect_record_base_alignments): Do not record base alignment
18857	for gathers or scatters.
18858	(vect_compute_data_ref_alignment): Drop return value that is always
18859	true.  Bail out early for gathers or scatters.
18860	(vect_enhance_data_refs_alignment): Bail out early for gathers
18861	or scatters.
18862	(vect_find_same_alignment_drs): Likewise.
18863	(vect_analyze_data_refs_alignment): Remove dead code.
18864	(vect_slp_analyze_and_verify_node_alignment): Likewise.
18865	(vect_analyze_data_refs): For possible gathers or scatters do
18866	not create an alternate DR, just check their possible validity
18867	and mark them.  Adjust DECL_NONALIASED handling to not rely
18868	on DR_BASE_ADDRESS.
18869	* tree-vect-loop-manip.c (vect_update_inits_of_drs): Do not
18870	update inits of gathers or scatters.
18871	* tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
18872	Also copy gather/scatter flag to pattern vinfo.
18873
188742018-06-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18875
18876	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change
18877	behavior of vec_packsu (vector unsigned long long, vector unsigned
18878	long long) to match behavior of vec_packs with same signature.
18879
188802018-06-20  Chung-Lin Tang  <cltang@codesourcery.com>
18881	    Thomas Schwinge  <thomas@codesourcery.com>
18882	    Cesar Philippidis  <cesar@codesourcery.com>
18883
18884	* gimplify.c (gimplify_scan_omp_clauses): Add support for
18885	OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
18886	(gimplify_adjust_omp_clauses): Likewise.
18887	(gimplify_oacc_declare_1): Add support for GOMP_MAP_RELEASE, remove
18888	support for GOMP_MAP_FORCE_{ALLOC,TO,FROM,TOFROM}.
18889	(gimplify_omp_target_update): Update handling of acc update and
18890	enter/exit data.
18891	* omp-low.c (install_var_field): Remove unused parameter
18892	base_pointers_restrict.
18893	(scan_sharing_clauses): Remove base_pointers_restrict parameter.
18894	Update call to install_var_field. Handle OMP_CLAUSE_{IF_PRESENT,
18895	FINALIZE}
18896	(omp_target_base_pointers_restrict_p): Delete.
18897	(scan_omp_target): Update call to scan_sharing_clauses.
18898	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_{IF_PRESENT,
18899	FINALIZE}.
18900	* tree-nested.c (convert_nonlocal_omp_clauses): Handle
18901	OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
18902	(convert_local_omp_clauses): Likewise.
18903	* tree-pretty-print.c (dump_omp_clause): Likewise.
18904	* tree.c (omp_clause_num_ops): Add entries for 	OMP_CLAUSE_{IF_PRESENT,
18905	FINALIZE}.
18906	(omp_clause_code_name): Likewise.
18907
189082018-06-20  Jakub Jelinek  <jakub@redhat.com>
18909
18910	PR debug/86194
18911	* var-tracking.c (use_narrower_mode_test): Check if shift amount can
18912	be narrowed.
18913
18914	PR tree-optimization/86231
18915	* tree-vrp.c (union_ranges): For (  [  )  ] or (   )[   ] range and
18916	anti-range don't overwrite *vr0min before using it to compute *vr0max.
18917
189182018-06-20  Tom de Vries  <tdevries@suse.de>
18919
18920	PR tree-optimization/86097
18921	* tree-ssa-loop-manip.c (canonicalize_loop_ivs): Also convert *nit to
18922	iv type if signedness of iv type is not the same as that of *nit.
18923
189242018-06-20  Jakub Jelinek  <jakub@redhat.com>
18925
18926	* cfgrtl.c (rtl_verify_edges): Formatting fix.  If bb->preds has any
18927	EDGE_EH edges, verify they are all EDGE_EH.
18928
189292018-06-20  Maya Rashish  <coypu@sdf.org>
18930
18931	* ginclude/stddef.h: Limit #include <machine/ansi.h> to NetBSD.
18932
189332018-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18934
18935	* config/aarch64/aarch64-tuning-flags.def (no_ldp_stp_qregs): New.
18936	* config/aarch64/aarch64.c (xgene1_tunings): Add
18937	AARCH64_EXTRA_TUNE_NO_LDP_STP_QREGS to tune_flags.
18938	(aarch64_mode_valid_for_sched_fusion_p):
18939	Allow 16-byte modes.
18940	(aarch64_classify_address): Allow 16-byte modes for load_store_pair_p.
18941	* config/aarch64/aarch64-ldpstp.md: Add peepholes for LDP STP of
18942	128-bit modes.
18943	* config/aarch64/aarch64-simd.md (load_pair<VQ:mode><VQ2:mode>):
18944	New pattern.
18945	(vec_store_pair<VQ:mode><VQ2:mode>): Likewise.
18946	* config/aarch64/iterators.md (VQ2): New mode iterator.
18947
189482018-06-20  Martin Liska  <mliska@suse.cz>
18949
18950	* tree-switch-conversion.c (jump_table_cluster::can_be_handled):
18951	Change default ratio from 10 to 8.
18952
189532018-06-20  Martin Liska  <mliska@suse.cz>
18954
18955	* tree-switch-conversion.c (jump_table_cluster::find_jump_tables):
18956	New.
18957	(bit_test_cluster::find_bit_tests): Likewise.
18958	(switch_decision_tree::analyze_switch_statement): Find clusters.
18959	* tree-switch-conversion.h (struct jump_table_cluster): Document
18960	hierarchy.
18961
189622018-06-20  Martin Liska  <mliska@suse.cz>
18963
18964	* tree-switch-conversion.c (switch_conversion::collect):
18965	Record m_uniq property.
18966	(switch_conversion::expand): Bail out for special conditions.
18967	(group_cluster::~group_cluster): New.
18968	(group_cluster::group_cluster): Likewise.
18969	(group_cluster::dump): Likewise.
18970	(jump_table_cluster::emit): New.
18971	(switch_decision_tree::fix_phi_operands_for_edges): New.
18972	(struct case_node): Remove struct.
18973	(jump_table_cluster::can_be_handled): New.
18974	(case_values_threshold): Moved to header.
18975	(reset_out_edges_aux): Likewise.
18976	(jump_table_cluster::is_beneficial): New.
18977	(bit_test_cluster::can_be_handled): Likewise.
18978	(add_case_node): Remove.
18979	(bit_test_cluster::is_beneficial): New.
18980	(case_bit_test::cmp): New.
18981	(bit_test_cluster::emit): New.
18982	(expand_switch_as_decision_tree_p): Remove.
18983	(bit_test_cluster::hoist_edge_and_branch_if_true): New.
18984	(fix_phi_operands_for_edge): Likewise.
18985	(switch_decision_tree::analyze_switch_statement): New.
18986	(compute_cases_per_edge): Move ...
18987	(switch_decision_tree::compute_cases_per_edge): ... here.
18988	(try_switch_expansion): Likewise.
18989	(switch_decision_tree::try_switch_expansion): Likewise.
18990	(record_phi_operand_mapping): Likewise.
18991	(switch_decision_tree::record_phi_operand_mapping): Likewise.
18992	(emit_case_decision_tree): Likewise.
18993	(switch_decision_tree::emit): Likewise.
18994	(balance_case_nodes): Likewise.
18995	(switch_decision_tree::balance_case_nodes): Likewise.
18996	(dump_case_nodes): Likewise.
18997	(switch_decision_tree::dump_case_nodes): Likewise.
18998	(emit_jump): Likewise.
18999	(switch_decision_tree::emit_jump): Likewise.
19000	(emit_cmp_and_jump_insns): Likewise.
19001	(switch_decision_tree::emit_cmp_and_jump_insns): Likewise.
19002	(emit_case_nodes): Likewise.
19003	(switch_decision_tree::emit_case_nodes): Likewise.
19004	(conditional_probability): Remove.
19005	* tree-switch-conversion.h (enum cluster_type): New.
19006	(PRINT_CASE): New.
19007	(struct cluster): Likewise.
19008	(cluster::cluster): Likewise.
19009	(struct simple_cluster): Likewise.
19010	(simple_cluster::simple_cluster): Likewise.
19011	(struct group_cluster): Likewise.
19012	(struct jump_table_cluster): Likewise.
19013	(struct bit_test_cluster): Likewise.
19014	(struct min_cluster_item): Likewise.
19015	(struct case_tree_node): Likewise.
19016	(case_tree_node::case_tree_node): Likewise.
19017	(jump_table_cluster::case_values_threshold): Likewise.
19018	(struct case_bit_test): Likewise.
19019	(struct switch_decision_tree): Likewise.
19020	(struct switch_conversion): Likewise.
19021	(switch_decision_tree::reset_out_edges_aux): Likewise.
19022
190232018-06-20  Martin Liska  <mliska@suse.cz>
19024
19025	* tree-switch-conversion.c (MAX_CASE_BIT_TESTS): Remove.
19026	(hoist_edge_and_branch_if_true): Likewise.
19027	(expand_switch_using_bit_tests_p): Likewise.
19028	(struct case_bit_test): Likewise.
19029	(case_bit_test_cmp): Likewise.
19030	(emit_case_bit_tests): Likewise.
19031	(switch_conversion::switch_conversion): New class.
19032	(struct switch_conv_info): Remove old struct.
19033	(collect_switch_conv_info): More to ...
19034	(switch_conversion::collect): ... this.
19035	(check_range): Likewise.
19036	(switch_conversion::check_range): Likewise.
19037	(check_all_empty_except_final): Likewise.
19038	(switch_conversion::check_all_empty_except_final): Likewise.
19039	(check_final_bb): Likewise.
19040	(switch_conversion::check_final_bb): Likewise.
19041	(create_temp_arrays): Likewise.
19042	(switch_conversion::create_temp_arrays): Likewise.
19043	(free_temp_arrays): Likewise.
19044	(gather_default_values): Likewise.
19045	(switch_conversion::gather_default_values): Likewise.
19046	(build_constructors): Likewise.
19047	(switch_conversion::build_constructors): Likewise.
19048	(constructor_contains_same_values_p): Likewise.
19049	(switch_conversion::contains_same_values_p): Likewise.
19050	(array_value_type): Likewise.
19051	(switch_conversion::array_value_type): Likewise.
19052	(build_one_array): Likewise.
19053	(switch_conversion::build_one_array): Likewise.
19054	(build_arrays): Likewise.
19055	(switch_conversion::build_arrays): Likewise.
19056	(gen_def_assigns): Likewise.
19057	(switch_conversion::gen_def_assigns): Likewise.
19058	(prune_bbs): Likewise.
19059	(switch_conversion::prune_bbs): Likewise.
19060	(fix_phi_nodes): Likewise.
19061	(switch_conversion::fix_phi_nodes): Likewise.
19062	(gen_inbound_check): Likewise.
19063	(switch_conversion::gen_inbound_check): Likewise.
19064	(process_switch): Use the newly created class.
19065	(switch_conversion::expand): New.
19066	(switch_conversion::~switch_conversion): New.
19067	* tree-switch-conversion.h: New file.
19068
190692018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19070
19071	* tree-vectorizer.h (NUM_PATTERNS, vect_recog_func_ptr): Move to
19072	tree-vect-patterns.c.
19073	* tree-vect-patterns.c (vect_supportable_direct_optab_p): New function.
19074	(vect_recog_dot_prod_pattern): Use it.  Remove the type_in argument.
19075	(vect_recog_sad_pattern): Likewise.
19076	(vect_recog_widen_sum_pattern): Likewise.
19077	(vect_recog_pow_pattern): Likewise.  Check for a null vectype.
19078	(vect_recog_widen_shift_pattern): Remove the type_in argument.
19079	(vect_recog_rotate_pattern): Likewise.
19080	(vect_recog_mult_pattern): Likewise.
19081	(vect_recog_vector_vector_shift_pattern): Likewise.
19082	(vect_recog_divmod_pattern): Likewise.
19083	(vect_recog_mixed_size_cond_pattern): Likewise.
19084	(vect_recog_bool_pattern): Likewise.
19085	(vect_recog_mask_conversion_pattern): Likewise.
19086	(vect_try_gather_scatter_pattern): Likewise.
19087	(vect_recog_widen_mult_pattern): Likewise.  Check for a null vectype.
19088	(vect_recog_over_widening_pattern): Likewise.
19089	(vect_recog_gather_scatter_pattern): Likewise.
19090	(vect_recog_func_ptr): Move from tree-vectorizer.h
19091	(vect_vect_recog_func_ptrs): Move further down the file.
19092	(vect_recog_func): Likewise.  Remove the third argument.
19093	(NUM_PATTERNS): Define based on vect_vect_recog_func_ptrs.
19094	(vect_pattern_recog_1): Expect the pattern function to do any
19095	necessary target tests.  Also expect it to provide a vector type.
19096	Remove the type_in handling.
19097
190982018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19099
19100	* tree-vect-patterns.c (vect_pattern_detected): New function.
19101	(vect_recog_dot_prod_patternm, vect_recog_sad_pattern)
19102	(vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern)
19103	(vect_recog_over_widening_pattern, vect_recog_widen_shift_pattern
19104	(vect_recog_rotate_pattern, vect_recog_vector_vector_shift_pattern)
19105	(vect_recog_mult_pattern, vect_recog_divmod_pattern)
19106	(vect_recog_mixed_size_cond_pattern, vect_recog_bool_pattern)
19107	(vect_recog_mask_conversion_pattern)
19108	(vect_try_gather_scatter_pattern): Likewise.
19109
191102018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19111
19112	* tree-vect-patterns.c (vect_get_internal_def): New function.
19113	(vect_recog_dot_prod_pattern, vect_recog_sad_pattern)
19114	(vect_recog_vector_vector_shift_pattern, check_bool_pattern)
19115	(search_type_for_mask_1): Use it.
19116
191172018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19118
19119	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Remove
19120	redundant WIDEN_SUM_EXPR handling.
19121	(vect_recog_sad_pattern): Likewise.
19122
191232018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19124
19125	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Remove
19126	redundant check that the types of a PLUS_EXPR or MULT_EXPR agree.
19127	(vect_recog_sad_pattern): Likewise PLUS_EXPR, ABS_EXPR and MINUS_EXPR.
19128	(vect_recog_widen_mult_pattern): Likewise MULT_EXPR.
19129	(vect_recog_widen_sum_pattern): Likewise PLUS_EXPR.
19130
191312018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19132
19133	* tree-vect-stmts.c (vectorizable_call): Make sure that we
19134	use the stmt_vec_info of the original bb statement for the
19135	new zero assignment, even if the call is part of a pattern.
19136
191372018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19138
19139	* tree-vectorizer.h (_stmt_vec_info): Note above pattern_def_seq
19140	that the sequence is attached to the original statement rather
19141	than the pattern statement.
19142	* tree-vect-loop.c (vect_determine_vf_for_stmt): Take the
19143	PATTERN_DEF_SEQ from the original statement rather than
19144	the main pattern statement.
19145	* tree-vect-stmts.c (free_stmt_vec_info): Likewise.
19146	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise.
19147	(vect_mark_pattern_stmts): Don't copy the PATTERN_DEF_SEQ.
19148
191492018-06-20  Richard Sandiford  <richard.sandiford@arm.com>
19150
19151	* tree-vect-stmts.c (vect_analyze_stmt): Move the handling of pattern
19152	definition statements before the early exit for statements that aren't
19153	live or relevant.
19154	* tree-vect-loop.c (vect_transform_loop_stmt): New function,
19155	split out from...
19156	(vect_transform_loop): ...here.  Process pattern definition
19157	statements without first checking whether the main pattern
19158	statement is live or relevant.
19159
191602018-06-19  Eric Botcazou  <ebotcazou@adacore.com>
19161
19162	* tree-cfgcleanup.c (tree_forwarder_block_p): Do not return false at
19163	-O0 if the locus represent UNKNOWN_LOCATION but have different values.
19164
191652018-06-19  Aaron Sawdey  <acsawdey@linux.ibm.com>
19166
19167	* config/rs6000/rs6000-string.c (select_block_compare_mode): Check
19168	TARGET_EFFICIENT_OVERLAPPING_UNALIGNED here instead of in caller.
19169	(do_and3, do_and3_mask, do_compb3, do_rotl3): New functions.
19170	(expand_block_compare): Change select_block_compare_mode call.
19171	(expand_strncmp_align_check): Use new functions, fix comment.
19172	(emit_final_str_compare_gpr): New function.
19173	(expand_strn_compare): Refactor and clean up code.
19174	* config/rs6000/vsx.md (vsx_mov<mode>_64bit): Remove *.
19175
191762018-06-19  Tony Reix  <tony.reix@atos.com>
19177	    Damien Bergamini  <damien.bergamini@atos.com>
19178	    David Edelsohn  <dje.gcc@gmail.com>
19179
19180	* collect2.c (static_obj): New variable.
19181	(static_libs): New variable.
19182	(is_in_list): Uncomment declaration.
19183	(main): Track AIX libraries linked statically.
19184	(is_in_list): Uncomment definition.
19185	(scan_prog_file): Don't add AIX shared libraries initializer
19186	to constructor list if linking statically.
19187
191882018-06-19  Max Filippov  <jcmvbkbc@gmail.com>
19189
19190	* config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec
19191	constant.
19192	(allocate_stack, frame_blockage, *frame_blockage): New patterns.
19193
191942018-06-19  Jan Hubicka  <hubicka@ucw.cz>
19195
19196	* tree.c (find_decls_types_r): Remove all non-VAR_DECLs from
19197	blocks.
19198
191992018-06-19  Martin Liska  <mliska@suse.cz>
19200
19201	* config/i386/i386.c (ix86_can_inline_p): Do not use
19202	ipa_fn_summaries::get_create.
19203	* ipa-cp.c (ipcp_cloning_candidate_p): Replace get_create with
19204	get.
19205	(devirtualization_time_bonus): Likewise.
19206	(ipcp_propagate_stage): Likewise.
19207	* ipa-fnsummary.c (redirect_to_unreachable): Likewise.
19208	(edge_set_predicate): Likewise.
19209	(evaluate_conditions_for_known_args): Likewise.
19210	(evaluate_properties_for_edge): Likewise.
19211	(ipa_call_summary::reset): Tranform to ...
19212	(ipa_call_summary::~ipa_call_summary): ... this.
19213	(ipa_fn_summary::reset): Transform to ...
19214	(ipa_fn_summary::~ipa_fn_summary): ... this.
19215	(ipa_fn_summary_t::remove): Rename to ...
19216	(ipa_fn_summary_t::remove_callees): ... this.
19217	(ipa_fn_summary_t::duplicate): Use placement new
19218	instead of memory copy.
19219	(ipa_call_summary_t::duplicate): Likewise.
19220	(ipa_call_summary_t::remove): Remove.
19221	(dump_ipa_call_summary): Change get_create to get.
19222	(ipa_dump_fn_summary): Dump only when summary exists.
19223	(analyze_function_body): Use symbol_summary::get instead
19224	of get_create.
19225	(compute_fn_summary): Likewise.
19226	(estimate_edge_devirt_benefit): Likewise.
19227	(estimate_edge_size_and_time): Likewise.
19228	(inline_update_callee_summaries): Likewise.
19229	(remap_edge_change_prob): Likewise.
19230	(remap_edge_summaries): Likewise.
19231	(ipa_merge_fn_summary_after_inlining): Likewise.
19232	(write_ipa_call_summary): Likewise.
19233	(ipa_fn_summary_write): Likewise.
19234	(ipa_free_fn_summary): Likewise.
19235	* ipa-fnsummary.h (struct GTY): Add new ctor and copy ctor.
19236	(struct ipa_call_summary): Likewise.
19237	* ipa-icf.c (sem_function::merge): Use symbol_summary::get instead
19238	of get_create.
19239	* ipa-inline-analysis.c (do_estimate_edge_time): Likewise.
19240	(estimate_size_after_inlining): Likewise.
19241	(estimate_growth): Likewise.
19242	(growth_likely_positive): Likewise.
19243	* ipa-inline-transform.c (clone_inlined_nodes): Likewise.
19244	(inline_call): Likewise.
19245	* ipa-inline.c (caller_growth_limits): Likewise.
19246	(can_inline_edge_p): Likewise.
19247	(can_inline_edge_by_limits_p): Likewise.
19248	(compute_uninlined_call_time): Likewise.
19249	(compute_inlined_call_time): Likewise.
19250	(want_inline_small_function_p): Likewise.
19251	(edge_badness): Likewise.
19252	(update_caller_keys): Likewise.
19253	(update_callee_keys): Likewise.
19254	(inline_small_functions): Likewise.
19255	(inline_to_all_callers_1): Likewise.
19256	(dump_overall_stats): Likewise.
19257	(early_inline_small_functions): Likewise.
19258	(early_inliner): Likewise.
19259	* ipa-profile.c (ipa_propagate_frequency_1): Likewise.
19260	* ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
19261	* ipa-pure-const.c (malloc_candidate_p): Likewise.
19262	* ipa-split.c (execute_split_functions): Likewise.
19263	* symbol-summary.h: Likewise.
19264	* tree-sra.c (ipa_sra_preliminary_function_checks): Likewise.
19265
192662018-06-19  Richard Biener  <rguenther@suse.de>
19267
19268	* tree-vectorizer.c (try_vectorize_loop_1): Split out of ...
19269	(vectorize_loops): ... here.  Fix dbgcnt handling.
19270	(try_vectorize_loop): Wrap try_vectorize_loop_1.
19271
192722018-06-19  Segher Boessenkool  <segher@kernel.crashing.org>
19273
19274	PR target/86197
19275	* config/rs6000/rs6000.md (rs6000_discover_homogeneous_aggregate): An
19276	ieee128 argument takes up only one (vector) register, not two (floating
19277	point) registers.
19278
192792018-06-19  Eric Botcazou  <ebotcazou@adacore.com>
19280
19281	* gimplify.c (gimplify_init_constructor): Really never clear for an
19282	incomplete constructor if CONSTRUCTOR_NO_CLEARING is set.
19283
192842018-06-19  Richard Biener  <rguenther@suse.de>
19285
19286	PR tree-optimization/86179
19287	* tree-vect-patterns.c (vect_pattern_recog_1): Clean up
19288	after failed recognition.
19289
192902018-06-18  Martin Sebor  <msebor@redhat.com>
19291
19292	PR middle-end/85602
19293	* calls.c (maybe_warn_nonstring_arg): Handle strncat.
19294	* tree-ssa-strlen.c (is_strlen_related_p): Make extern.
19295	Handle integer subtraction.
19296	(maybe_diag_stxncpy_trunc): Handle nonstring source arguments.
19297	* tree-ssa-strlen.h (is_strlen_related_p): Declare.
19298
192992018-06-18  David Malcolm  <dmalcolm@redhat.com>
19300
19301	* config/frv/frv-protos.h (frv_ifcvt_modify_insn): Strengthen 3rd
19302	param from rtx to rtx_insn *.
19303	* config/frv/frv.c (frv_ifcvt_add_insn): Likewise for "insn"
19304	param.
19305	(frv_ifcvt_modify_insn): Likwise.
19306	(frv_ifcvt_modify_final): Likwise for local "existing_insn",
19307	adding an as_a <rtx_insn *> cast.  Likewise for local "insn".
19308	* config/mips/mips.c (r10k_insert_cache_barriers): Add an
19309	as_a <rtx_insn *> cast to local "unprotected_region" once
19310	it's been established that it's not NULL or pc_rtx.
19311	* config/nds32/nds32-relax-opt.c (nds32_group_insns): Strengthen
19312	param "sethi" from rtx to rtx_insn *.
19313	(nds32_group_float_insns): Likewise for param "insn".
19314	* config/vax/vax-protos.h (vax_output_int_add): Likewise for 1st
19315	param.
19316	(vax_output_int_subtract): Likewise.
19317	* config/vax/vax.c (vax_output_int_add): Likewise for param
19318	"insn".
19319	(vax_output_int_subtract): Likewise.
19320	* emit-rtl.c (set_insn_deleted): Likewise, removing cast.
19321	(emit_pattern_after): Likewise for param "after".
19322	(emit_insn_after): Likewise.
19323	(emit_jump_insn_after): Likewise.
19324	(emit_call_insn_after): Likewise.
19325	(emit_debug_insn_after): Likewise.
19326	(emit_pattern_before): Likewise for param "before".
19327	(emit_insn_before): Likewise.
19328	(emit_jump_insn_before): Likewise.
19329	* final.c (get_insn_template): Likewise for param "insn", removing
19330	a cast.
19331	* output.h (get_insn_template): Likewise for 2nd param.
19332	* rtl.h (emit_insn_before): Likewise.
19333	(emit_jump_insn_before): Likewise.
19334	(emit_debug_insn_before_noloc): Likewise.
19335	(emit_insn_after): Likewise.
19336	(emit_jump_insn_after): Likewise.
19337	(emit_call_insn_after): Likewise.
19338	(emit_debug_insn_after): Likewise.
19339	(set_insn_deleted): Likewise for param.
19340
193412018-06-18  Michael Meissner  <meissner@linux.ibm.com>
19342
19343	PR target/85358
19344	* config/rs6000/rs6000-modes.def (toplevel): Rework the 128-bit
19345	floating point modes, so that IFmode is numerically greater than
19346	TFmode, which is greater than KFmode using FRACTIONAL_FLOAT_MODE
19347	to declare the ordering.  This prevents IFmode from being
19348	converted to TFmode when long double is IEEE 128-bit on an ISA 3.0
19349	machine.  Include rs6000-modes.h to share the fractional values
19350	between genmodes* and the rest of the compiler.
19351	(IFmode): Likewise.
19352	(KFmode): Likewise.
19353	(TFmode): Likewise.
19354	* config/rs6000/rs6000-modes.h: New file.
19355	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Change the
19356	meaning of rs6000_long_double_size so that 126..128 selects an
19357	appropriate 128-bit floating point type.
19358	(rs6000_option_override_internal): Likewise.
19359	* config/rs6000/rs6000.h (toplevel): Include rs6000-modes.h.
19360	(TARGET_LONG_DOUBLE_128): Change the meaning of
19361	rs6000_long_double_size so that 126..128 selects an appropriate
19362	128-bit floating point type.
19363	(LONG_DOUBLE_TYPE_SIZE): Update comment.
19364	* config/rs6000/rs6000.md (trunciftf2): Correct the modes of the
19365	source and destination to match the standard usage.
19366	(truncifkf2): Likewise.
19367	(copysign<mode>3, IEEE iterator): Rework copysign of float128 on
19368	ISA 2.07 to use an explicit clobber, instead of passing in a
19369	temporary.
19370	(copysign<mode>3_soft): Likewise.
19371
193722018-06-18  David Malcolm  <dmalcolm@redhat.com>
19373
19374	* tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
19375	Replace dump_printf_loc call with DUMP_VECT_SCOPE.
19376	(vect_slp_analyze_instance_dependence): Likewise.
19377	(vect_enhance_data_refs_alignment): Likewise.
19378	(vect_analyze_data_refs_alignment): Likewise.
19379	(vect_slp_analyze_and_verify_instance_alignment
19380	(vect_analyze_data_ref_accesses): Likewise.
19381	(vect_prune_runtime_alias_test_list): Likewise.
19382	(vect_analyze_data_refs): Likewise.
19383	* tree-vect-loop-manip.c (vect_update_inits_of_drs): Likewise.
19384	* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
19385	(vect_analyze_scalar_cycles_1): Likewise.
19386	(vect_get_loop_niters): Likewise.
19387	(vect_analyze_loop_form_1): Likewise.
19388	(vect_update_vf_for_slp): Likewise.
19389	(vect_analyze_loop_operations): Likewise.
19390	(vect_analyze_loop): Likewise.
19391	(vectorizable_induction): Likewise.
19392	(vect_transform_loop): Likewise.
19393	* tree-vect-patterns.c (vect_pattern_recog): Likewise.
19394	* tree-vect-slp.c (vect_analyze_slp): Likewise.
19395	(vect_make_slp_decision): Likewise.
19396	(vect_detect_hybrid_slp): Likewise.
19397	(vect_slp_analyze_operations): Likewise.
19398	(vect_slp_bb): Likewise.
19399	* tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
19400	(vectorizable_bswap): Likewise.
19401	(vectorizable_call): Likewise.
19402	(vectorizable_simd_clone_call): Likewise.
19403	(vectorizable_conversion): Likewise.
19404	(vectorizable_assignment): Likewise.
19405	(vectorizable_shift): Likewise.
19406	(vectorizable_operation): Likewise.
19407	* tree-vectorizer.h (DUMP_VECT_SCOPE): New macro.
19408
194092018-06-18  Martin Sebor  <msebor@redhat.com>
19410
19411	PR tree-optimization/81384
19412	* builtin-types.def (BT_FN_SIZE_CONST_STRING_SIZE): New.
19413	* builtins.c (expand_builtin_strnlen): New function.
19414	(expand_builtin): Call it.
19415	(fold_builtin_n): Avoid setting TREE_NO_WARNING.
19416	* builtins.def (BUILT_IN_STRNLEN): New.
19417	* calls.c (maybe_warn_nonstring_arg): Handle BUILT_IN_STRNLEN.
19418	Warn for bounds in excess of maximum object size.
19419	* tree-ssa-strlen.c (maybe_set_strlen_range): Return tree representing
19420	single-value ranges.  Handle strnlen.
19421	(handle_builtin_strlen): Handle strnlen.
19422	(strlen_check_and_optimize_stmt): Same.
19423	* doc/extend.texi (Other Builtins): Document strnlen.
19424
194252018-06-18  Maya Rashish  <coypu@sdf.org>
19426
19427	* config/alpha/openbsd.h (TARGET_DEFAULT): Define.
19428	(LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
19429	(INTMAX_TYPE, UINTMAX_TYPE, WINT_TYPE): Likewise.
19430
19431	* config/alpha/elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Move from
19432	here to ...
19433	* config/alpha/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Here.
19434
194352018-06-18  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
19436
19437	* tree.c (escaped_string::escape): Replace cast to char * by
19438	const_cast<char *> (unescaped).
19439
194402018-06-18  Nick Clifton  <nickc@redhat.com>
19441
19442	PR 84195
19443	* tree.c (escaped_string): New class.  Converts an unescaped
19444	string into its escaped equivalent.
19445	(warn_deprecated_use): Use the new class to convert the
19446	deprecation message, if present.
19447	(test_escaped_strings): New self test.
19448	(test_c_tests): Add test_escaped_strings.
19449	* doc/extend.texi (deprecated): Add a note that the
19450	deprecation message is affected by the -fmessage-length
19451	option, and that control characters will be escaped.
19452	(#pragma GCC error): Document this pragma.
19453	(#pragma GCC warning): Likewise.
19454	* doc/invoke.texi (-fmessage-length): Document this option's
19455	effect on the #warning and #error preprocessor directives and
19456	the deprecated attribute.
19457
194582018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
19459
19460	* tree.c (decl_value_expr_lookup): Revert latest change.
19461	(decl_value_expr_insert): Likewise.
19462
194632018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
19464
19465	* gimplify.c (nonlocal_vlas): Delete.
19466	(nonlocal_vla_vars): Likewise.
19467	(gimplify_var_or_parm_decl): Do not add debug VAR_DECLs for non-local
19468	referenced VLAs.
19469	(gimplify_body): Do not create and destroy nonlocal_vlas.
19470	* tree-nested.c: Include diagnostic.h.
19471	(use_pointer_in_frame): Tweak.
19472	(lookup_field_for_decl): Add assertion and declare the transformation.
19473	(convert_nonlocal_reference_op) <PARM_DECL>: Rework and issue an
19474	internal error when the reference is in a wrong context.  Do not
19475	create a debug decl by default.
19476	(note_nonlocal_block_vlas): Delete.
19477	(convert_nonlocal_reference_stmt) <GIMPLE_BIND>: Do not call it.
19478	(convert_local_reference_op) <PARM_DECL>: Skip the frame decl.  Do not
19479	create a debug decl by default.
19480	(convert_gimple_call) <GIMPLE_CALL>: Issue an internal error when the
19481	call is in a wrong context.
19482	(fixup_vla_decls): New function.
19483	(finalize_nesting_tree_1): Adjust comment.  Call fixup_vla_decls if no
19484	debug variables were created.
19485	* tree.c (decl_value_expr_lookup): Add checking assertion.
19486	(decl_value_expr_insert): Likewise.
19487
194882018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
19489
19490	PR middle-end/82479
19491	* ipa-fnsummary.c (will_be_nonconstant_expr_predicate): Handle CALL_EXPR.
19492	* tree-scalar-evolution.c (interpret_expr): Likewise.
19493	(expression_expensive_p): Likewise.
19494	* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Likewise.
19495	* tree-ssa-loop-niter.c (number_of_iterations_popcount): New.
19496	(number_of_iterations_exit_assumptions): Use number_of_iterations_popcount.
19497	(ssa_defined_by_minus_one_stmt_p): New.
19498
194992018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
19500
19501	PR middle-end/64946
19502	* cfgexpand.c (expand_debug_expr): Hande ABSU_EXPR.
19503	* config/i386/i386.c (ix86_add_stmt_cost): Likewise.
19504	* dojump.c (do_jump): Likewise.
19505	* expr.c (expand_expr_real_2): Check operand type's sign.
19506	* fold-const.c (const_unop): Handle ABSU_EXPR.
19507	(fold_abs_const): Likewise.
19508	* gimple-pretty-print.c (dump_unary_rhs): Likewise.
19509	* gimple-ssa-backprop.c (backprop::process_assign_use): Likesie.
19510	(strip_sign_op_1): Likesise.
19511	* match.pd: Add new pattern to generate ABSU_EXPR.
19512	* optabs-tree.c (optab_for_tree_code): Handle ABSU_EXPR.
19513	* tree-cfg.c (verify_gimple_assign_unary): Likewise.
19514	* tree-eh.c (operation_could_trap_helper_p): Likewise.
19515	* tree-inline.c (estimate_operator_cost): Likewise.
19516	* tree-pretty-print.c (dump_generic_node): Likewise.
19517	* tree-vect-patterns.c (vect_recog_sad_pattern): Likewise.
19518	* tree.def (ABSU_EXPR): New.
19519
195202018-06-16  Jakub Jelinek  <jakub@redhat.com>
19521
19522	PR middle-end/86095
19523	* common.opt (Wunsafe-loop-optimizations): Add Ignore, remove Var,
19524	documented as preserved for backward compatibility only.
19525	* doc/invoke.texi: Remove -Wunsafe-loop-optimizations documentation.
19526
19527	PR rtl-optimization/86108
19528	* bb-reorder.c (create_forwarder_block): Renamed to ...
19529	(create_eh_forwarder_block): ... this.  Split OLD_BB after labels and
19530	jump from new landing pad to the second part.
19531	(sjlj_fix_up_crossing_landing_pad, dw2_fix_up_crossing_landing_pad):
19532	Adjust callers.
19533
195342018-06-15  Jakub Jelinek  <jakub@redhat.com>
19535
19536	PR middle-end/85878
19537	* expr.c (expand_assignment): Remove now redundant COMPLEX_MODE_P
19538	check from first store_expr, use to_mode instead of GET_MODE (to_rtx).
19539	Only call store_expr for halves if the mode is the same.
19540
19541	PR middle-end/86123
19542	* match.pd ((X / Y) == 0 -> X < Y): Don't transform complex divisions.
19543	Fix up comment formatting.
19544
195452018-06-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19546
19547	* typed-splay-tree.h (typed_splay_tree::remove): New function.
19548	(typed_splay_tree::closure,
19549	typed_splay_tree::inner_foreach_fn, typed_splay_tree::m_inner): Deleted.
19550	(typed_splay_tree::typed_splay_tree,
19551	typed_splay_tree::operator =): Declared private.
19552	(typed_splay_tree::splay_tree_key, typed_splay_tree::splay_tree_value,
19553	typed_splay_tree::splay_tree_node_s, typed_splay_tree::KDEL,
19554	typed_splay_tree::VDEL, typed_splay_tree::splay_tree_delete_helper,
19555	typed_splay_tree::rotate_left, typed_splay_tree::rotate_right,
19556	typed_splay_tree::splay_tree_splay,
19557	typed_splay_tree::splay_tree_foreach_helper,
19558	typed_splay_tree::splay_tree_insert,
19559	typed_splay_tree::splay_tree_remove,
19560	typed_splay_tree::splay_tree_lookup,
19561	typed_splay_tree::splay_tree_predecessor,
19562	typed_splay_tree::splay_tree_successor,
19563	typed_splay_tree::splay_tree_min,
19564	typed_splay_tree::splay_tree_max): Took over from splay-tree.c/.h.
19565	(typed_splay_tree::root, typed_splay_tree::comp,
19566	typed_splay_tree::delete_key,
19567	typed_splay_tree::delete_value): New data members.
19568	* typed-splay-tree.c (selftest::test_str_to_int): Add a test for
19569	typed_splay_tree::remove.
19570
195712018-06-15  Matthew Fortune  <matthew.fortune@mips.com>
19572
19573	* config/mips/mips.h (ASM_SPEC): Pass through -mcrc, -mno-crc,
19574	-mginv and -mno-ginv to the assembler.
19575	* config/mips/mips.opt (-mcrc): New option.
19576	(-mginv): Likewise.
19577	* doc/invoke.text (-mcrc): Document.
19578	(-mginv): Likewise.
19579
195802018-06-15  Nick Clifton  <nickc@redhat.com>
19581
19582	PR 84195
19583	* tree.c (escaped_string): New class.  Converts an unescaped
19584	string into its escaped equivalent.
19585	(warn_deprecated_use): Use the new class to convert the
19586	deprecation message, if present.
19587	(test_escaped_strings): New self test.
19588	(test_c_tests): Add test_escaped_strings.
19589	* doc/extend.texi (deprecated): Add a note that the
19590	deprecation message is affected by the -fmessage-length
19591	option, and that control characters will be escaped.
19592	(#pragma GCC error): Document this pragma.
19593	(#pragma GCC warning): Likewise.
19594	* doc/invoke.texi (-fmessage-length): Document this option's
19595	effect on the #warning and #error preprocessor directives and
19596	the deprecated attribute.
19597
195982018-06-15  Richard Biener  <rguenther@suse.de>
19599
19600	* tree-vect-slp.c (vect_slp_bb): Dump MSG_OPTIMIZED_LOCATIONS
19601	here, also noting vector size used.
19602	* tree-vectorizer.c (vectorize_loops): Adjust.  Note vector
19603	size used in MSG_OPTIMIZED_LOCATIONS dump.
19604	(pass_slp_vectorize::execute): Adjust.
19605
196062018-06-15  Claudiu Zissulescu  <claziss@synopsys.com>
19607
19608	PR target/85968
19609	* config/arc/arc.c (arc_return_address_register): Fix
19610	if-condition.
19611
196122018-06-15  Richard Biener  <rguenther@suse.de>
19613
19614	PR middle-end/86159
19615	* tree-cfg.c (gimplify_build3): Do not strip sign conversions,
19616	leave useless conversion stripping to force_gimple_operand_gsi.
19617	(gimplify_build2): Likewise.
19618	(gimplify_build1): Likewise.
19619
196202018-06-15  Richard Biener  <rguenther@suse.de>
19621
19622	PR middle-end/86076
19623	* tree-cfg.c (move_stmt_op): unshare invariant addresses
19624	before adjusting their block.
19625
196262018-06-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
19627
19628	* config.gcc (riscv*-*-elf* | riscv*-*-rtems*): Use custom
19629	multilibs for *-*-rtems*.
19630	* config/riscv/t-rtems: New file.
19631
196322018-06-14  Jakub Jelinek  <jakub@redhat.com>
19633
19634	PR middle-end/86122
19635	* match.pd ((A +- CST1) +- CST2): Punt if last resort
19636	unsigned_type_for returns NULL.
19637
19638	PR target/85945
19639	* lower-subreg.c (find_decomposable_subregs): Don't decompose float
19640	subregs of multi-word pseudos unless the float mode has word size.
19641
196422018-06-14  Richard Biener  <rguenther@suse.de>
19643
19644	PR middle-end/86139
19645	* tree-vect-generic.c (build_word_mode_vector_type): Remove
19646	duplicate and harmful type_hash_canon.
19647	* tree.c (type_hash_canon): Assert we didn't find ourselves.
19648
196492018-06-14  Richard Biener  <rguenther@suse.de>
19650
19651	PR ipa/86124
19652	* tree-ssa-struct-alias.c (create_variable_info_for): Handle
19653	NULL cgraph_node.
19654
196552018-06-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>
19656
19657	* config/rtems.h (STDINT_LONG32): Define.
19658
196592018-06-13  Matthew Fortune  <matthew.fortune@mips.com>
19660	    Prachi Godbole  <prachi.godbole@imgtec.com>
19661
19662	* config/mips/mips-cpus.def: Define P6600.
19663	* config/mips/mips-tables.opt: Regenerate.
19664	* config/mips/mips.c (mips_ucbranch_type): New enum.
19665	(mips_rtx_cost_data): Add support for P6600.
19666	(mips_issue_rate): Likewise.
19667	(mips_multipass_dfa_lookahead): Likewise.
19668	(mips_avoid_hazard): Likewise.
19669	(mips_reorg_process_insns): Likewise.
19670	(mips_classify_branch_p6600): New function.
19671	* config/mips/mips.h (TUNE_P6600): New define.
19672	(MIPS_ISA_LEVEL_SPEC): Infer mips64r6 from p6600.
19673	(ENABLE_LD_ST_PAIRS): Enable load/store bonding for p6600.
19674	* config/mips/mips.md: Include p6600.md.
19675	(processor): Add p6600.
19676	* config/mips/p6600.md: New file.
19677	* doc/invoke.texi: Add p6600 to supported architectures.
19678
196792018-06-13  Martin Sebor  <msebor@redhat.com>
19680
19681	PR tree-optimization/86114
19682	* gimple-fold.c (gimple_fold_builtin_strlen): Only handle LHS
19683	of integer types.
19684	* tree-ssa-strlen.c (maybe_set_strlen_range): Same.
19685
196862018-06-13  Richard Biener  <rguenther@suse.de>
19687
19688	* tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern):
19689	Properly set vector type of the intermediate stmt.
19690	* tree-vect-stmts.c (vectorizable_operation): The destination
19691	var always has vectype_out type.
19692
196932018-06-13  Jeff Law  <law@redhat.com>
19694
19695	* config/rl78/rl78.c (move_elim_pass): Use TDF_NONE rather than
19696	integer 0 for argument to print_rtl_with_bb.
19697	(rl78_reorg): Likewise.
19698
196992018-06-13  David Malcolm  <dmalcolm@redhat.com>
19700
19701	* config/arc/arc.c (hwloop_optimize): Strengthen local "end_label"
19702	from rtx to rtx_insn *.
19703	* config/bfin/bfin.c (hwloop_optimize): Likewise for local
19704	"label".
19705	(add_sched_insns_for_speculation): Likewise for local "target",
19706	converting usage of JUMP_LABEL to JUMP_LABEL_AS_INSN.
19707	* config/c6x/c6x.c (reorg_split_calls): Strengthen param "call_labels"
19708	from rtx_insn ** to rtx_code_label **.
19709	(reorg_emit_nops): Likewise.
19710	(c6x_reorg): Likewise for local "call_labels".
19711	* config/sh/sh-protos.h (get_dest_uid): Strengthen 1st param from
19712	rtx to rtx_insn *.
19713	* config/sh/sh.c (dump_table): Strengthen local "lab" from rtx to
19714	rtx_code_label *, adding safe_as_a <rtx_code_label *> casts to
19715	the loops over LABEL_REFS.
19716	(fixup_addr_diff_vecs): Add as_a <rtx_insn *> to usage of
19717	braf_label.
19718	(barrier_align): Convert usage of JUMP_LABEL to JUMP_LABEL_AS_INSN.
19719	(get_dest_uid): Strengthen param "label" from rtx to rtx_insn *.
19720	(split_branches): Strengthen local "olabel" from rtx to
19721	rtx_insn *, adding a safe_as_a cast.
19722	* emit-rtl.c (next_real_insn): Strengthen param from "rtx"
19723	to "rtx_insn *".
19724	(add_insn_after): Likewise for first two params.
19725	(add_insn_before): Likewise.
19726	(remove_insn): Likewise for param.
19727	(emit_pattern_before_noloc): Likewise for second and third params.
19728	(emit_jump_insn_before_noloc): Convert NULL_RTX to NULL.
19729	(emit_call_insn_before_noloc): Likewise.
19730	(emit_debug_insn_before_noloc): Strengthen "before" param from "rtx"
19731	to "rtx_insn *".
19732	(emit_barrier_before): Likewise.
19733	(emit_label_before): Strengthen "label" param from "rtx" to
19734	"rtx_code_label *".  Strengthen "before" param from "rtx" to
19735	"rtx_insn *".
19736	(emit_insn_after_1): Strengthen "after" param from "rtx" to
19737	"rtx_insn *".
19738	(emit_pattern_after_noloc): Likewise.
19739	(emit_insn_after_noloc): Likewise.
19740	(emit_jump_insn_after_noloc): Likewise.
19741	(emit_call_insn_after_noloc): Likewise.
19742	(emit_debug_insn_after_noloc): Likewise.
19743	(emit_barrier_after): Likewise.
19744	(emit_label_after): Likewise for both params.
19745	(emit_pattern_after_setloc): Likewise for "after" param.  Convert
19746	"loc" param from "int" to "location_t".
19747	(emit_insn_after_setloc): Likewise.
19748	(emit_jump_insn_after_setloc): Likewise.
19749	(emit_call_insn_after_setloc): Likewise.
19750	(emit_debug_insn_after_setloc): Likewise.
19751	(emit_pattern_before_setloc): Likewise for "before" param.  Convert
19752	"loc" param from "int" to "location_t".
19753	(emit_pattern_before): Convert NULL_RTX to NULL.
19754	(emit_insn_before_setloc): Convert "loc" param from "int" to
19755	"location_t".
19756	(emit_jump_insn_before_setloc): Likewise.
19757	(emit_call_insn_before_setloc): Likewise.
19758	(emit_debug_insn_before_setloc): Strengthen "before" param from rtx to
19759	rtx_insn *.  Convert "loc" param from "int" to "location_t".
19760	* rtl.h (emit_insn_before_setloc, emit_jump_insn_before_setloc,
19761	emit_call_insn_before_setloc, emit_debug_insn_before_setloc):
19762	Convert 3rd param from "int" to "location_t".
19763	(emit_barrier_before, emit_barrier_after, next_real_insn):
19764	Strengthen param from rtx to rtx_insn *.
19765	(emit_label_before): Strengthen 1st param from "rtx" to
19766	"rtx_code_label *".  Strengthen 2nd param from "rtx" to
19767	"rtx_insn *".
19768	(emit_insn_after_noloc, emit_jump_insn_after_noloc,
19769	emit_call_insn_after_noloc, emit_debug_insn_after_noloc):
19770	Strengthen 2nd param from "rtx" to "rtx_insn *".
19771	(emit_insn_after_setloc, emit_jump_insn_after_setloc)
19772	emit_call_insn_after_setloc, emit_debug_insn_after_setloc):
19773	Likewise. Convert 3rd param from "int" to "location_t".
19774	(emit_label_after): Strengthen 1st param from "rtx" to
19775	"rtx_code_label *".
19776	(next_real_insn, remove_insn): Strengthen param from "rtx" to
19777	"rtx_insn *".
19778	(add_insn_before, add_insn_after): Strengthen 1st and 2nd params
19779	from "rtx" to "rtx_insn *".
19780
197812018-06-13  Jan Hubicka  <hubicka@gcc.gnu.org>
19782
19783	* cgraph.c (cgraph_node::get_untransformed_body): Dump function
19784	bodies streamed in with -Q.
19785	* dumpfile.c (dump_files): Add lto-stream-out dump file.
19786	* dumpfile.h (tree_dump_index): Add lto_stream_out.
19787	* gimple-streamer-out.c: Include gimple-pretty-print.h
19788	(output_bb): Dump stmts streamed.
19789	* lto-section-out.c: Include print-tree.h
19790	(lto_begin_section): Dump sections created.
19791	(lto_output_decl_index): Dump decl encoded.
19792	* lto-streamer-out.c: Include print-tree.h
19793	(create_output_block): Dump output block created.
19794	(DFS::DFS_write_tree_body): Dump DFS SCCs streamed.
19795	(output_function): Dump function output.
19796	(output_constructor): Dump constructor streamed.
19797	(write_global_stream): Output indexes encoded.
19798	(produce_asm_for_decls): Dump streams encoded.
19799	* lto-streamer.c (streamer_dump_file): New global var.
19800	* lto-streamer.h (streamer_dump_file): Declare.
19801	* passes.c (ipa_write_summaries): Initialize streamer dump.
19802	* varpool.c (varpool_node::get_constructor): Dump constructors streamed
19803	in.
19804
198052018-06-13  Eric Botcazou  <ebotcazou@adacore.com>
19806
19807	PR target/86048
19808	* config/i386/winnt.c (i386_pe_seh_cold_init): Do not emit negative
19809	offsets for register save directives.  Emit a second batch of save
19810	directives, if need be, when the function accesses prior frames.
19811
198122018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
19813
19814	* config/arc/fpu.md (fmasf4): Force operand to register.
19815	(fnmasf4): Likewise.
19816
198172018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
19818
19819	* config/arc/arc-protos.h (arc_pad_return): Remove.
19820	* config/arc/arc.c (machine_function): Remove force_short_suffix
19821	and size_reason.
19822	(arc_print_operand): Adjust printing of '&'.
19823	(arc_verify_short): Remove conditional printing of short suffix.
19824	(arc_final_prescan_insn): Remove reference to size_reason.
19825	(pad_return): New function.
19826	(arc_reorg): Call pad_return.
19827	(arc_pad_return): Remove.
19828	(arc_init_machine_status): Remove reference to force_short_suffix.
19829	* config/arc/arc.md (vunspec): Add VUNSPEC_ARC_BLOCKAGE.
19830	(attr length): When attribute iscompact is true force to 2
19831	regardless; in the case of maybe check if we want to force the
19832	instruction to have 4 bytes length.
19833	(nopv): Change it to generate 4 byte long nop as well.
19834	(blockage): New pattern.
19835	(simple_return): Remove call to arc_pad_return.
19836	(p_return_i): Likewise.
19837
198382018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
19839
19840	* config/arc/elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
19841
198422018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
19843
19844	* config/arc/builtins.def (SYNC): SYNC instruction is valid on all
19845	ARC cores.
19846
198472018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
19848
19849	* config/arc/arc.c (atomic_exchangesi): EX instruction is default
19850	for ARC700 and ARCv2.
19851
198522018-06-13  Chenghua Xu  <paul.hua.gm@gmail.com>
19853
19854	PR target/86076
19855	* config/mips/loongson.md (vec_setv4hi): Gen_lowpart for
19856	operands[2] instead of operands[1].
19857
19858
198592018-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
19860
19861	* lra-constraints.c (simplify_operand_subreg): In the paradoxical
19862	case, check whether the outer register overlaps an unallocatable
19863	register, not just whether it fits the required class.
19864
198652018-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
19866
19867	* poly-int.h (can_div_trunc_p): Add new overload in which all values
19868	are poly_ints.
19869	* alias.c (get_addr): Extend CONST_INT handling to poly_int_rtx_p.
19870	(memrefs_conflict_p): Likewise.
19871	(init_alias_analysis): Likewise.
19872	* cfgexpand.c (expand_debug_expr): Likewise.
19873	* combine.c (combine_simplify_rtx, force_int_to_mode): Likewise.
19874	* cse.c (fold_rtx): Likewise.
19875	* explow.c (adjust_stack, anti_adjust_stack): Likewise.
19876	* expr.c (emit_block_move_hints): Likewise.
19877	(clear_storage_hints, push_block, emit_push_insn): Likewise.
19878	(store_expr_with_bounds, reduce_to_bit_field_precision): Likewise.
19879	(emit_group_load_1): Use rtx_to_poly_int64 for group offsets.
19880	(emit_group_store): Likewise.
19881	(find_args_size_adjust): Use strip_offset.  Use rtx_to_poly_int64
19882	to read the PRE/POST_MODIFY increment.
19883	* calls.c (store_one_arg): Use strip_offset.
19884	* rtlanal.c (rtx_addr_can_trap_p_1): Extend CONST_INT handling to
19885	poly_int_rtx_p.
19886	(set_noop_p): Use rtx_to_poly_int64 for the elements selected
19887	by a VEC_SELECT.
19888	* simplify-rtx.c (avoid_constant_pool_reference): Use strip_offset.
19889	(simplify_binary_operation_1): Extend CONST_INT handling to
19890	poly_int_rtx_p.
19891	* var-tracking.c (compute_cfa_pointer): Take a poly_int64 rather
19892	than a HOST_WIDE_INT.
19893	(hard_frame_pointer_adjustment): Change from HOST_WIDE_INT to
19894	poly_int64.
19895	(adjust_mems, add_stores): Update accodingly.
19896	(vt_canonicalize_addr): Track polynomial offsets.
19897	(emit_note_insn_var_location): Likewise.
19898	(vt_add_function_parameter): Likewise.
19899	(vt_initialize): Likewise.
19900
199012018-06-12  Jeff Law  <law@redhat.com>
19902
19903	* config.gcc (alpha*-*-freebsd*): Remove.
19904	* config/alpha/freebsd.h: Remove.
19905
199062018-06-12  David Malcolm  <dmalcolm@redhat.com>
19907
19908	PR other/69968
19909	* spellcheck-tree.c (levenshtein_distance): Rename to...
19910	(get_edit_distance): ...this, and update for underlying renaming.
19911	* spellcheck-tree.h (levenshtein_distance): Rename to...
19912	(get_edit_distance): ...this.
19913	* spellcheck.c (levenshtein_distance): Rename to...
19914	(get_edit_distance): ...this.  Convert from Levenshtein distance
19915	to Damerau-Levenshtein distance by supporting transpositions of
19916	adjacent characters.  Rename "v1" to "v_next" and "v0" to
19917	"v_one_ago".
19918	(selftest::levenshtein_distance_unit_test_oneway): Rename to...
19919	(selftest::test_edit_distance_unit_test_oneway): ...this, and
19920	update for underlying renaming.
19921	(selftest::levenshtein_distance_unit_test): Rename to...
19922	(selftest::test_get_edit_distance_unit): ...this, and update for
19923	underlying renaming.
19924	(selftest::test_find_closest_string): Add example from PR 69968
19925	where transposition helps
19926	(selftest::test_metric_conditions): Update for renaming.
19927	(selftest::test_metric_conditions): Likewise.
19928	(selftest::spellcheck_c_tests): Likewise.
19929	* spellcheck.h (levenshtein_distance): Rename both overloads to...
19930	(get_edit_distance): ...this.
19931	(best_match::consider): Update for renaming.
19932
199332018-06-12  Martin Sebor  <msebor@redhat.com>
19934
19935	PR tree-optimization/85259
19936	* builtins.c (compute_objsize): Handle constant offsets.
19937	* gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Return
19938	true iff a warning has been issued.
19939	* gimple.h (gimple_nonartificial_location): New function.
19940	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Call
19941	gimple_nonartificial_location and handle -Wno-system-headers.
19942	(handle_builtin_stxncpy): Same.
19943
199442018-06-12  Martin Sebor  <msebor@redhat.com>
19945
19946	PR c/85931
19947	* fold-const.c (operand_equal_p): Handle SAVE_EXPR.
19948
199492018-06-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
19950
19951	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
19952	BUILTIN_VEC_XST entries for pointer to double and long long.
19953
199542018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
19955
19956	PR target/85990
19957	* config/i386/gnu-user.h (TARGET_THREAD_SPLIT_STACK_OFFSET):
19958	Update comments.
19959	* config/i386/gnu-user64.h (TARGET_THREAD_SPLIT_STACK_OFFSET):
19960	Likewise.
19961
199622018-06-12  Martin Liska  <mliska@suse.cz>
19963
19964	* doc/options.texi: Document IntegerRange.
19965
199662018-06-12  Martin Liska  <mliska@suse.cz>
19967
19968	* config/i386/i386.opt: Make MPX-related options as Deprecated.
19969	* opt-functions.awk: Handle Deprecated flag.
19970	* opts-common.c (decode_cmdline_option): Handle cl_deprecated
19971	and report error.
19972	(read_cmdline_option): Report warning for a deprecated option.
19973	* opts.h (struct cl_option): Add new field cl_deprecated.
19974	(CL_ERR_DEPRECATED): New.
19975
199762018-06-12  Martin Liska  <mliska@suse.cz>
19977
19978	* doc/options.texi: Document Deprecated option flag.
19979
199802018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
19981
19982	* config/arc/arc-arch.h (arc_extras): New enum.
19983	(arc_cpu_t):Add field extra.
19984	(arc_cpu_types): Consider the extras.
19985	* config/arc/arc-cpus.def: Add extras info.
19986	* config/arc/arc-opts.h (processor_type): Consider extra field.
19987	* config/arc/arc.c (arc_override_options): Handle extra field.
19988
199892018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
19990
19991	* config/arc/arc-arch.h: Update ARC_OPTX macro.
19992	* config/arc/arc-options.def (ARC_OPTX): Introduce a new doc
19993	field.
19994	* config/arc/arc.c (arc_init): Update pic warning.
19995	(irq_range): Update irq range parsing warnings.
19996	(arc_override_options): Update various warning messages.
19997	(arc_handle_aux_attribute): Likewise.
19998
199992018-06-12  Robert Suchanek  <robert.suchanek@mips.com>
20000
20001	* config/mips/i6400.md (i6400_fpu_fadd): Remove frint.
20002
200032018-06-12  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
20004
20005	* doc/sourcebuild.texi: Document usage of line number 0 in verify
20006	compiler messages directives.
20007
200082018-06-12  Matthew Fortune  <mfortune@gmail.com>
20009
20010	* config/mips/mips-cpus.def: New MIPS_CPU for i6500.
20011	* config/mips/mips-tables.opt: Regenerate.
20012	* config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Mark i6500 as
20013	mips64r6.
20014	* doc/invoke.texi: Document -march=i6500.
20015
200162018-06-12  Prachi Godbole  <prachi.godbole@imgtec.com>
20017
20018	* config/mips/i6400.md (i6400_gpmuldiv): Remove cpu_unit.
20019	(i6400_gpmul): Add cpu_unit.
20020	(i6400_gpdiv): Likewise.
20021	(i6400_msa_add_d): Update reservations.
20022	(i6400_msa_int_add) Likewise.
20023	(i6400_msa_short_logic3) Likewise.
20024	(i6400_msa_short_logic2) Likewise.
20025	(i6400_msa_short_logic) Likewise.
20026	(i6400_msa_move) Likewise.
20027	(i6400_msa_cmp) Likewise.
20028	(i6400_msa_short_float2) Likewise.
20029	(i6400_msa_div_d) Likewise.
20030	(i6400_msa_long_logic1) Likewise.
20031	(i6400_msa_long_logic2) Likewise.
20032	(i6400_msa_mult) Likewise.
20033	(i6400_msa_long_float2) Likewise.
20034	(i6400_msa_long_float4) Likewise.
20035	(i6400_msa_long_float5) Likewise.
20036	(i6400_msa_long_float8) Likewise.
20037	(i6400_fpu_fadd): Include frint type.
20038	(i6400_fpu_store): New define_insn_reservation.
20039	(i6400_fpu_load): Likewise.
20040	(i6400_fpu_move): Likewise.
20041	(i6400_fpu_fcmp): Likewise.
20042	(i6400_fpu_fmadd): Likewise.
20043	(i6400_int_mult): Include imul3nc type and update reservation.
20044	(i6400_int_div): Include idiv3 type and update reservation.
20045	(i6400_int_load): Update to check type not move_type.
20046	(i6400_int_store): Likewise.
20047	(i6400_int_prefetch): Set zero latency.
20048
200492018-06-12  Eric Botcazou  <ebotcazou@adacore.com>
20050
20051	* gcc.c: Document new %@{...} sequence.
20052	(LINK_COMMAND_SPEC): Use it for the -L switches.
20053	(cpp_unique_options): Use it for the -I switches.
20054	(at_file_argbuf): New global variable.
20055	(in_at_file): Likewise.
20056	(alloc_args): Create at_file_argbuf.
20057	(clear_args): Truncate at_file_argbuf.
20058	(store_arg): If in_at_file, push the argument onto at_file_argbuf.
20059	(open_at_file): New function.
20060	(close_at_file): Likewise.
20061	(create_at_file): Delete.
20062	(do_spec_1) <'i'>: Use open_at_file/close_at_file.
20063	<'o'>: Likewise.
20064	<'@'>: New case.
20065	(validate_switches_from_spec): Deal with %@{...} sequence.
20066	(validate_switches): Likewise.
20067	(driver::finalize): Call clear_args.
20068
200692018-06-11  Rasmus Villemoes  <rasmus.villemoes@prevas.dk>
20070
20071	* config/vx-common.h (USE_TM_CLONE_REGISTRY): #define to 0.
20072
200732018-06-11  Martin Sebor  <msebor@redhat.com>
20074
20075	* doc/invoke.texi (-Wall): List -Wc++17-compat.
20076	(Wno-class-memaccess): Add @opindex.
20077	(Wno-templates, Wno-multiple-inheritance): Same.
20078	(Wno-virtual-inheritance, Wno-namespaces): Same.
20079	(Wno-pedantic, Wno-chkp, Wcoverage-mismatch): Same.
20080	(Wno-format-overflow, Wno-format-truncation): Same.
20081	(Wno-unused-local-typedefs, Walloc-size-larger-than): Same.
20082	(Wno-alloc-size-larger-than, Wframe-larger-than): Same
20083	(Wno-stack-usage, Wno-c++-compat, Wno-c++11-compat): Same.
20084	(Wno-c++14-compat, Wno-c++17-compat, Wno-openmp-simd): Same.
20085	(Wno-unsuffixed-float-constants, Wno-addr-space-convert): Same.
20086	(Wno-misspelled-isr): Same.
20087
200882018-06-11  Martin Sebor  <msebor@redhat.com>
20089
20090	* PR tree-optimization/86083
20091	* tree-ssa-strlen.c (handle_char_store): Use tree_expr_nonzero_p.
20092
200932018-06-11  Zhouyi Zhou  <zhouzhouyi@gmail.com>
20094
20095	* tree-eh.c (lower_eh_constructs_2): Add a comma to comment.
20096
200972018-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
20098
20099	PR target/85755
20100	* config/rs6000/rs6000.md (*movdi_internal32): Put constraint modifiers
20101	on the correct operand.
20102	(*movdi_internal64): Ditto.
20103
201042018-06-11  Martin Liska  <mliska@suse.cz>
20105
20106	PR tree-optimization/86089
20107	* tree-ssa-strlen.c (get_string_length): Move back removed hunk.
20108
201092018-06-11  Julia Koval  <julia.koval@intel.com>
20110
20111	* config/i386/vaesintrin.h (_mm_aesdec_epi128, _mm_aesdeclast_epi128)
20112	_mm_aesenc_epi128, _mm_aesenclast_epi128: Remove.
20113	* config/i386/vpclmulqdqintrin.h (_mm_clmulepi64_epi128): Remove.
20114
201152018-06-11  Olivier Hainque  <hainque@adacore.com>
20116
20117	* dwarf2out.c (gen_compile_unit_die): Fallout to DW_LANG_Ada83
20118	for Ada with strict dwarf2.
20119
201202018-06-08  Peter Bergner  <bergner@vnet.ibm.com>
20121
20122	PR target/85755
20123	* config/rs6000/rs6000.c (mem_operand_gpr): Enable PRE_INC and PRE_DEC
20124	addresses.
20125
201262018-06-08  Jan Hubicka  <hubicka@ucw.cz>
20127
20128	* dumpfile.c (FIRST_ME_AUTO_NUMBERED_DUMP): Bump to 4.
20129
201302018-06-08  David Edelsohn  <dje.gcc@gmail.com>
20131
20132	* config/rs6000/rs6000.c (rs6000_passes_ieee128): Protect with #if
20133	TARGET_ELF.
20134
201352018-06-08  Martin Liska  <mliska@suse.cz>
20136
20137	* tree-cfg.h (debug_function): Fix argument type to match
20138	implementation.
20139
201402018-06-08  Martin Liska  <mliska@suse.cz>
20141
20142	* config/powerpcspe/powerpcspe.c (rs6000_xcoff_visibility):
20143	Remove usage of MPX-related (and removed) fields.
20144	* config/rs6000/rs6000.c (rs6000_xcoff_visibility): Likewise.
20145
201462018-06-08  David Malcolm  <dmalcolm@redhat.com>
20147
20148	* cfg.c (debug): Use TDF_NONE rather than 0.
20149	* cfghooks.c (debug): Likewise.
20150	* dumpfile.c (DUMP_FILE_INFO): Likewise; also for OPTGROUP.
20151	(struct dump_option_value_info): Convert to...
20152	(struct kv_pair): ...this template type.
20153	(dump_options): Convert to kv_pair<dump_flags_t>; use TDF_NONE
20154	rather than 0.
20155	(optinfo_verbosity_options): Likewise.
20156	(optgroup_options): Convert to kv_pair<optgroup_flags_t>; use
20157	OPTGROUP_NONE.
20158	(gcc::dump_manager::dump_register): Use optgroup_flags_t rather
20159	than int for "optgroup_flags" param.
20160	(dump_generic_expr_loc): Use dump_flags_t rather than int for
20161	"dump_kind" param.
20162	(dump_dec): Likewise.
20163	(dump_finish): Use TDF_NONE rather than 0.
20164	(gcc::dump_manager::opt_info_enable_passes): Use optgroup_flags_t
20165	rather than int for "optgroup_flags" param.  Use TDF_NONE rather
20166	than 0.  Update for change to option_ptr.
20167	(opt_info_switch_p_1): Convert "optgroup_flags" param from int *
20168	to optgroup_flags_t *.  Use TDF_NONE and OPTGROUP_NONE rather than
20169	0.  Update for changes to optinfo_verbosity_options and
20170	optgroup_options.
20171	(opt_info_switch_p): Convert optgroup_flags from int to
20172	optgroup_flags_t.
20173	(dump_basic_block): Use dump_flags_t rather than int
20174	for "dump_kind" param.
20175	* dumpfile.h (TDF_ADDRESS, TDF_SLIM, TDF_RAW, TDF_DETAILS,
20176	TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO, TDF_UID)
20177	TDF_STMTADDR, TDF_GRAPH, TDF_MEMSYMS, TDF_RHS_ONLY, TDF_ASMNAME,
20178	TDF_EH, TDF_NOUID, TDF_ALIAS, TDF_ENUMERATE_LOCALS, TDF_CSELIB,
20179	TDF_SCEV, TDF_GIMPLE, TDF_FOLDING, MSG_OPTIMIZED_LOCATIONS,
20180	MSG_MISSED_OPTIMIZATION, MSG_NOTE, MSG_ALL, TDF_COMPARE_DEBUG,
20181	TDF_NONE): Convert from macros to...
20182	(enum dump_flag): ...this new enum.
20183	(dump_flags_t): Update to use enum.
20184	(operator|, operator&, operator~, operator|=, operator&=):
20185	Implement for dump_flags_t.
20186	(OPTGROUP_NONE, OPTGROUP_IPA, OPTGROUP_LOOP, OPTGROUP_INLINE,
20187	OPTGROUP_OMP, OPTGROUP_VEC, OPTGROUP_OTHER, OPTGROUP_ALL):
20188	Convert from macros to...
20189	(enum optgroup_flag): ...this new enum.
20190	(optgroup_flags_t): New typedef.
20191	(operator|, operator|=): Implement for optgroup_flags_t.
20192	(struct dump_file_info): Convert field "alt_flags" to
20193	dump_flags_t.  Convert field "optgroup_flags" to
20194	optgroup_flags_t.
20195	(dump_basic_block): Use dump_flags_t rather than int for param.
20196	(dump_generic_expr_loc): Likewise.
20197	(dump_dec): Likewise.
20198	(dump_register): Convert param "optgroup_flags" to
20199	optgroup_flags_t.
20200	(opt_info_enable_passes): Likewise.
20201	* early-remat.c (early_remat::dump_edge_list): Use TDF_NONE rather
20202	than 0.
20203	* gimple-pretty-print.c (debug): Likewise.
20204	* gimple-ssa-store-merging.c (bswap_replace): Likewise.
20205	(merged_store_group::apply_stores): Likewise.
20206	* gimple-ssa-strength-reduction.c (insert_initializers): Likewise.
20207	* gimple.c (verify_gimple_pp): Likewise.
20208	* graphite-poly.c (print_pbb_body): Likewise.
20209	* passes.c (pass_manager::register_one_dump_file): Convert
20210	local "optgroup_flags" to optgroup_flags_t.
20211	* print-tree.c (print_node): Use TDF_NONE rather than 0.
20212	(debug): Likewise.
20213	(debug_body): Likewise.
20214	* tree-pass.h (struct pass_data): Convert field "optgroup_flags"
20215	to optgroup_flags_t.
20216	* tree-pretty-print.c (print_struct_decl): Use TDF_NONE rather
20217	than 0.
20218	* tree-ssa-math-opts.c (convert_mult_to_fma_1): Likewise.
20219	(convert_mult_to_fma): Likewise.
20220	* tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
20221	* tree-ssa-sccvn.c (vn_eliminate): Likewise.
20222	* tree-vect-data-refs.c (dump_lower_bound): Convert param
20223	"dump_kind" to dump_flags_t.
20224
202252018-06-08  Segher Boessenkool  <segher@kernel.crashing.org>
20226
20227	* config/rs6000/rs6000.c (min, max): Delete.
20228
202292018-06-08  Segher Boessenkool  <segher@kernel.crashing.org>
20230
20231	* doc/invoke.texi (RS/6000 and PowerPC Options): Delete mention of
20232	-mabi=spe and -mabi=no-spe.
20233
202342018-06-08  Martin Liska  <mliska@suse.cz>
20235
20236	* ipa-pure-const.c (propagate_pure_const): Use ::get at places
20237	where we expect an existing summary.
20238
202392018-06-08  Martin Liska  <mliska@suse.cz>
20240
20241	* ipa-inline-analysis.c (simple_edge_hints): Use ::get method.
20242	* ipa-inline.h (estimate_edge_growth): Likewise.
20243
202442018-06-08  Martin Liska  <mliska@suse.cz>
20245
20246	* cgraph.c (function_version_hasher::hash): Use
20247	cgraph_node::get_uid ().
20248	(function_version_hasher::equal):
20249	* cgraph.h (cgraph_node::get_uid): New method.
20250	* ipa-inline.c (update_caller_keys): Use
20251	cgraph_node::get_uid ().
20252	(update_callee_keys): Likewise.
20253	* ipa-utils.c (searchc): Likewise.
20254	(ipa_reduced_postorder): Likewise.
20255	* lto-cgraph.c (input_node): Likewise.
20256	* passes.c (is_pass_explicitly_enabled_or_disabled): Likewise.
20257	* symbol-summary.h (symtab_insertion): Likewise.
20258	(symtab_removal): Likewise.
20259	(symtab_duplication): Likewise.
20260	* tree-pretty-print.c (dump_function_header): Likewise.
20261	* tree-sra.c (convert_callers_for_node): Likewise.
20262
202632018-06-08  Martin Liska  <mliska@suse.cz>
20264
20265	* cgraph.c (symbol_table::create_edge): Always assign a new
20266	unique number.
20267	(symbol_table::free_edge): Do not recycle numbers.
20268	* cgraph.h (cgraph_edge::get): New method.
20269	* symbol-summary.h (symtab_removal): Use it.
20270	(symtab_duplication): Likewise.
20271	(call_summary::hashable_uid): Remove.
20272
202732018-06-08  Martin Liska  <mliska@suse.cz>
20274
20275	* ipa-inline-analysis.c (inline_edge_removal_hook): Remove.
20276	(initialize_growth_caches): Remove.
20277	(free_growth_caches): Likewise.
20278	(do_estimate_edge_time): Use edge_growth_cache.
20279	(do_estimate_edge_size): Likewise.
20280	(do_estimate_edge_hints): Likewise.
20281	* ipa-inline.c (reset_edge_caches): Likewise.
20282	(recursive_inlining): Likewise.
20283	(inline_small_functions): Likewise.
20284	* ipa-inline.h (initialize_growth_caches): Remove.
20285	(estimate_edge_size): Likewise.
20286	(estimate_edge_time): Likewise.
20287	(estimate_edge_hints): Likewise.
20288	(reset_edge_growth_cache): Likewise.
20289	* symbol-summary.h (call_summary::remove): New method.
20290
202912018-06-08  Martin Liska  <mliska@suse.cz>
20292
20293	* ipa-cp.c (class edge_clone_summary): New summary.
20294	(grow_edge_clone_vectors): Remove.
20295	(ipcp_edge_duplication_hook): Remove.
20296	(class edge_clone_summary_t): New call_summary class.
20297	(ipcp_edge_removal_hook): Remove.
20298	(edge_clone_summary_t::duplicate): New function.
20299	(get_next_cgraph_edge_clone): Use edge_clone_summaries.
20300	(create_specialized_node): Likewise.
20301	(ipcp_driver): Initialize edge_clone_summaries and do not
20302	register hooks.
20303
203042018-06-08  Martin Liska  <mliska@suse.cz>
20305
20306	* symbol-summary.h (get): New function.
20307	(call_summary::m_initialize_when_cloning): New class member.
20308
203092018-06-08  Martin Liska  <mliska@suse.cz>
20310
20311	* cgraph.c (cgraph_node::remove): Do not recycle uid.
20312	* cgraph.h (symbol_table::release_symbol): Do not pass uid.
20313	(symbol_table::allocate_cgraph_symbol): Do not set uid.
20314	* passes.c (uid_hash_t): Record removed_nodes by their uids.
20315	(remove_cgraph_node_from_order): Use the removed_nodes set.
20316	(do_per_function_toporder): Likwise.
20317	* symbol-summary.h (symtab_insertion): Use cgraph_node::uid
20318	instead of summary_uid.
20319	(symtab_removal): Likewise.
20320	(symtab_duplication): Likewise.
20321
203222018-06-08  Martin Liska  <mliska@suse.cz>
20323
20324	* ipa-cp.c (ipcp_store_bits_results): Use
20325	ipcp_transformation_sum.
20326	(ipcp_store_vr_results): Likewise.
20327	* ipa-prop.c (ipcp_grow_transformations_if_necessary): Renamed
20328	to ...
20329	(ipcp_transformation_initialize): ... this.
20330	(ipa_set_node_agg_value_chain):
20331	(ipa_node_params_t::duplicate): Use ipcp_transformation_sum.
20332	(write_ipcp_transformation_info): Likewise.
20333	(read_ipcp_transformation_info): Likewise.
20334	(ipcp_update_bits): Likewise.
20335	(ipcp_update_vr): Likewise.
20336	(ipcp_transform_function): Likewise.
20337	* ipa-prop.h: Rename ipcp_transformation_summary to
20338	ipcp_transformation.
20339	(class ipcp_transformation_t): New function summary.
20340	(ipcp_get_transformation_summary): Use ipcp_transformation_sum.
20341	(ipa_get_agg_replacements_for_node): Likewise.
20342
203432018-06-08  Martin Liska  <mliska@suse.cz>
20344
20345	* ipa-pure-const.c (struct funct_state_d): Do it class instead
20346	of struct.
20347	(class funct_state_summary_t): New function_summary class.
20348	(has_function_state): Remove.
20349	(get_function_state): Likewise.
20350	(set_function_state): Likewise.
20351	(add_new_function): Likewise.
20352	(funct_state_summary_t::insert): New function.
20353	(duplicate_node_data): Remove.
20354	(remove_node_data): Remove.
20355	(funct_state_summary_t::duplicate): New function.
20356	(register_hooks): Create new funct_state_summaries.
20357	(pure_const_generate_summary): Use it.
20358	(pure_const_write_summary): Likewise.
20359	(pure_const_read_summary): Likewise.
20360	(propagate_pure_const): Likewise.
20361	(propagate_nothrow): Likewise.
20362	(dump_malloc_lattice): Likewise.
20363	(propagate_malloc): Likewise.
20364	(execute): Do not register hooks, just remove summary
20365	instead.
20366	(pass_ipa_pure_const::pass_ipa_pure_const): Simplify
20367	constructor.
20368
203692018-06-08  Martin Liska  <mliska@suse.cz>
20370
20371	* ipa-reference.c (remove_node_data): Remove.
20372	(duplicate_node_data): Likewise.
20373	(class ipa_ref_var_info_summary_t): New class.
20374	(class ipa_ref_opt_summary_t): Likewise.
20375	(get_reference_vars_info): Use ipa_ref_var_info_summaries.
20376	(get_reference_optimization_summary): Use
20377	ipa_ref_opt_sum_summaries.
20378	(set_reference_vars_info): Remove.
20379	(set_reference_optimization_summary): Likewise.
20380	(ipa_init): Create summaries.
20381	(init_function_info): Use function summary.
20382	(ipa_ref_opt_summary_t::duplicate): New function.
20383	(ipa_ref_opt_summary_t::remove): New function.
20384	(get_read_write_all_from_node): Fix GNU coding style.
20385	(propagate): Use function summary.
20386	(write_node_summary_p): Fix GNU coding style.
20387	(stream_out_bitmap): Likewise.
20388	(ipa_reference_read_optimization_summary): Use function summary.
20389	(ipa_reference_c_finalize): Do not release hooks.
20390
203912018-06-08  Martin Liska  <mliska@suse.cz>
20392
20393	* ipa-fnsummary.c (dump_ipa_call_summary): Use ::get method.
20394	(analyze_function_body): Extract multiple calls of get_create.
20395	* ipa-inline-analysis.c (simple_edge_hints): Likewise.
20396	* ipa-inline.c (recursive_inlining): Use ::get method.
20397	* ipa-inline.h (estimate_edge_growth): Likewise.
20398
203992018-06-08  Martin Liska  <mliska@suse.cz>
20400
20401	* hsa-common.h (enum hsa_function_kind): Rename HSA_NONE to
20402	HSA_INVALID.
20403	(hsa_function_summary::hsa_function_summary): Use the new enum
20404	value.
20405	(hsa_gpu_implementation_p): Use hsa_summaries::get.
20406	* hsa-gen.c (hsa_get_host_function): Likewise.
20407	(get_brig_function_name): Likewise.
20408	* ipa-hsa.c (process_hsa_functions): Likewise.
20409	(ipa_hsa_write_summary): Likewise.
20410	* symbol-summary.h (symtab_duplication): Use ::get function/
20411	(get): New function.
20412
204132018-06-08  Martin Liska  <mliska@suse.cz>
20414
20415	* config/i386/i386.c (ix86_can_inline_p): Use get_create instead
20416	of get.
20417	* hsa-common.c (hsa_summary_t::link_functions): Likewise.
20418	(hsa_register_kernel): Likewise.
20419	* hsa-common.h (hsa_gpu_implementation_p): Likewise.
20420	* hsa-gen.c (hsa_get_host_function): Likewise.
20421	(get_brig_function_name): Likewise.
20422	(generate_hsa): Likewise.
20423	(pass_gen_hsail::execute): Likewise.
20424	* ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
20425	(devirtualization_time_bonus): Likewise.
20426	(ipcp_propagate_stage): Likewise.
20427	* ipa-fnsummary.c (redirect_to_unreachable): Likewise.
20428	(edge_set_predicate): Likewise.
20429	(evaluate_conditions_for_known_args): Likewise.
20430	(evaluate_properties_for_edge): Likewise.
20431	(ipa_fn_summary::reset): Likewise.
20432	(ipa_fn_summary_t::duplicate): Likewise.
20433	(dump_ipa_call_summary): Likewise.
20434	(ipa_dump_fn_summary): Likewise.
20435	(analyze_function_body): Likewise.
20436	(compute_fn_summary): Likewise.
20437	(estimate_edge_devirt_benefit): Likewise.
20438	(estimate_edge_size_and_time): Likewise.
20439	(estimate_calls_size_and_time): Likewise.
20440	(estimate_node_size_and_time): Likewise.
20441	(inline_update_callee_summaries): Likewise.
20442	(remap_edge_change_prob): Likewise.
20443	(remap_edge_summaries): Likewise.
20444	(ipa_merge_fn_summary_after_inlining): Likewise.
20445	(ipa_update_overall_fn_summary): Likewise.
20446	(read_ipa_call_summary): Likewise.
20447	(inline_read_section): Likewise.
20448	(write_ipa_call_summary): Likewise.
20449	(ipa_fn_summary_write): Likewise.
20450	(ipa_free_fn_summary): Likewise.
20451	* ipa-hsa.c (process_hsa_functions): Likewise.
20452	(ipa_hsa_write_summary): Likewise.
20453	(ipa_hsa_read_section): Likewise.
20454	* ipa-icf.c (sem_function::merge): Likewise.
20455	* ipa-inline-analysis.c (simple_edge_hints): Likewise.
20456	(do_estimate_edge_time): Likewise.
20457	(estimate_size_after_inlining): Likewise.
20458	(estimate_growth): Likewise.
20459	(growth_likely_positive): Likewise.
20460	* ipa-inline-transform.c (clone_inlined_nodes): Likewise.
20461	(inline_call): Likewise.
20462	* ipa-inline.c (caller_growth_limits): Likewise.
20463	(can_inline_edge_p): Likewise.
20464	(can_inline_edge_by_limits_p): Likewise.
20465	(compute_uninlined_call_time): Likewise.
20466	(compute_inlined_call_time): Likewise.
20467	(want_inline_small_function_p): Likewise.
20468	(edge_badness): Likewise.
20469	(update_caller_keys): Likewise.
20470	(update_callee_keys): Likewise.
20471	(recursive_inlining): Likewise.
20472	(inline_small_functions): Likewise.
20473	(inline_to_all_callers_1): Likewise.
20474	(dump_overall_stats): Likewise.
20475	(early_inline_small_functions): Likewise.
20476	(early_inliner): Likewise.
20477	* ipa-inline.h (estimate_edge_growth): Likewise.
20478	* ipa-profile.c (ipa_propagate_frequency_1): Likewise.
20479	* ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
20480	* ipa-prop.h (IPA_NODE_REF): Likewise.
20481	(IPA_EDGE_REF): Likewise.
20482	* ipa-pure-const.c (malloc_candidate_p): Likewise.
20483	(propagate_malloc): Likewise.
20484	* ipa-split.c (execute_split_functions): Likewise.
20485	* symbol-summary.h: Rename get to get_create.
20486	(get): Likewise.
20487	(get_create): Likewise.
20488	* tree-sra.c (ipa_sra_preliminary_function_checks): Likewise.
20489
204902018-06-08  Martin Liska  <mliska@suse.cz>
20491
20492	* symbol-summary.h (release): Move definition out of class
20493	declaration.
20494	(symtab_removal): Likewise.
20495	(symtab_duplication): Likewise.
20496
204972018-06-08  Martin Liska  <mliska@suse.cz>
20498
20499	* symbol-summary.h (function_summary): Move constructor
20500	implementation out of class declaration.
20501	(release): Likewise.
20502	(symtab_insertion): Likewise.
20503	(symtab_removal): Likewise.
20504	(symtab_duplication): Likewise.
20505	(get): Likewise.
20506
205072018-06-08  Martin Liska  <mliska@suse.cz>
20508
20509	* Makefile.in: Remove support for MPX (macros, related functions,
20510	fields in cgraph_node, ...).
20511	* builtin-types.def (BT_BND): Likewise.
20512	(BT_FN_BND_CONST_PTR): Likewise.
20513	(BT_FN_CONST_PTR_BND): Likewise.
20514	(BT_FN_VOID_PTR_BND): Likewise.
20515	(BT_FN_BND_CONST_PTR_SIZE): Likewise.
20516	(BT_FN_VOID_CONST_PTR_BND_CONST_PTR): Likewise.
20517	* builtins.c (expand_builtin_memcpy_with_bounds): Likewise.
20518	(expand_builtin_mempcpy_with_bounds): Likewise.
20519	(expand_builtin_memset_with_bounds): Likewise.
20520	(expand_builtin_memset_args): Likewise.
20521	(std_expand_builtin_va_start): Likewise.
20522	(expand_builtin): Likewise.
20523	(expand_builtin_with_bounds): Likewise.
20524	* builtins.def (DEF_BUILTIN_CHKP): Likewise.
20525	(DEF_LIB_BUILTIN_CHKP): Likewise.
20526	(DEF_EXT_LIB_BUILTIN_CHKP): Likewise.
20527	(DEF_CHKP_BUILTIN): Likewise.
20528	(BUILT_IN_MEMCPY): Likewise.
20529	(BUILT_IN_MEMMOVE): Likewise.
20530	(BUILT_IN_MEMPCPY): Likewise.
20531	(BUILT_IN_MEMSET): Likewise.
20532	(BUILT_IN_STPCPY): Likewise.
20533	(BUILT_IN_STRCAT): Likewise.
20534	(BUILT_IN_STRCHR): Likewise.
20535	(BUILT_IN_STRCPY): Likewise.
20536	(BUILT_IN_STRLEN): Likewise.
20537	(BUILT_IN_MEMCPY_CHK): Likewise.
20538	(BUILT_IN_MEMMOVE_CHK): Likewise.
20539	(BUILT_IN_MEMPCPY_CHK): Likewise.
20540	(BUILT_IN_MEMSET_CHK): Likewise.
20541	(BUILT_IN_STPCPY_CHK): Likewise.
20542	(BUILT_IN_STRCAT_CHK): Likewise.
20543	(BUILT_IN_STRCPY_CHK): Likewise.
20544	* calls.c (store_bounds): Likewise.
20545	(emit_call_1): Likewise.
20546	(special_function_p): Likewise.
20547	(maybe_warn_nonstring_arg): Likewise.
20548	(initialize_argument_information): Likewise.
20549	(finalize_must_preallocate): Likewise.
20550	(compute_argument_addresses): Likewise.
20551	(expand_call): Likewise.
20552	* cfgexpand.c (expand_call_stmt): Likewise.
20553	(expand_return): Likewise.
20554	(expand_gimple_stmt_1): Likewise.
20555	(pass_expand::execute): Likewise.
20556	* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
20557	(cgraph_node::remove): Likewise.
20558	(cgraph_node::dump): Likewise.
20559	(cgraph_node::verify_node): Likewise.
20560	* cgraph.h (chkp_function_instrumented_p): Likewise.
20561	(symtab_node::get_alias_target): Likewise.
20562	(cgraph_node::can_remove_if_no_direct_calls_and_refs_p): Likewise.
20563	(cgraph_local_p): Likewise.
20564	* cgraphbuild.c (cgraph_edge::rebuild_edges): Likewise.
20565	(cgraph_edge::rebuild_references): Likewise.
20566	* cgraphunit.c (varpool_node::finalize_decl): Likewise.
20567	(walk_polymorphic_call_targets): Likewise.
20568	(cgraph_node::expand_thunk): Likewise.
20569	(symbol_table::output_weakrefs): Likewise.
20570	* common/config/i386/i386-common.c (OPTION_MASK_ISA2_GENERAL_REGS_ONLY_UNSET): Likewise.
20571	(ix86_handle_option): Likewise.
20572	* config/i386/constraints.md: Likewise.
20573	* config/i386/i386-builtin-types.def (BND): Likewise.
20574	(VOID): Likewise.
20575	(PVOID): Likewise.
20576	(ULONG): Likewise.
20577	* config/i386/i386-builtin.def (BDESC_END): Likewise.
20578	(BDESC_FIRST): Likewise.
20579	(BDESC): Likewise.
20580	* config/i386/i386-c.c (ix86_target_macros_internal): Likewise.
20581	* config/i386/i386-protos.h (ix86_bnd_prefixed_insn_p): Likewise.
20582	* config/i386/i386.c (enum reg_class): Likewise.
20583	(ix86_target_string): Likewise.
20584	(ix86_option_override_internal): Likewise.
20585	(ix86_conditional_register_usage): Likewise.
20586	(ix86_valid_target_attribute_inner_p): Likewise.
20587	(ix86_set_indirect_branch_type): Likewise.
20588	(ix86_set_current_function): Likewise.
20589	(ix86_function_arg_regno_p): Likewise.
20590	(init_cumulative_args): Likewise.
20591	(ix86_function_arg_advance): Likewise.
20592	(ix86_function_arg): Likewise.
20593	(ix86_pass_by_reference): Likewise.
20594	(ix86_function_value_regno_p): Likewise.
20595	(ix86_function_value_1): Likewise.
20596	(ix86_function_value_bounds): Likewise.
20597	(ix86_return_in_memory): Likewise.
20598	(ix86_setup_incoming_vararg_bounds): Likewise.
20599	(ix86_va_start): Likewise.
20600	(indirect_thunk_need_prefix): Likewise.
20601	(print_reg): Likewise.
20602	(ix86_print_operand): Likewise.
20603	(ix86_expand_call): Likewise.
20604	(ix86_output_function_return): Likewise.
20605	(reg_encoded_number): Likewise.
20606	(BDESC_VERIFYS): Likewise.
20607	(ix86_init_mpx_builtins): Likewise.
20608	(ix86_init_builtins): Likewise.
20609	(ix86_emit_cmove): Likewise.
20610	(ix86_emit_move_max): Likewise.
20611	(ix86_expand_builtin): Likewise.
20612	(ix86_builtin_mpx_function): Likewise.
20613	(ix86_get_arg_address_for_bt): Likewise.
20614	(ix86_load_bounds): Likewise.
20615	(ix86_store_bounds): Likewise.
20616	(ix86_load_returned_bounds): Likewise.
20617	(ix86_store_returned_bounds): Likewise.
20618	(ix86_class_likely_spilled_p): Likewise.
20619	(ix86_hard_regno_mode_ok): Likewise.
20620	(x86_order_regs_for_local_alloc): Likewise.
20621	(ix86_mitigate_rop): Likewise.
20622	(ix86_bnd_prefixed_insn_p): Likewise.
20623	(ix86_mpx_bound_mode): Likewise.
20624	(ix86_make_bounds_constant): Likewise.
20625	(ix86_initialize_bounds): Likewise.
20626	(TARGET_LOAD_BOUNDS_FOR_ARG): Likewise.
20627	(TARGET_STORE_BOUNDS_FOR_ARG): Likewise.
20628	(TARGET_LOAD_RETURNED_BOUNDS): Likewise.
20629	(TARGET_STORE_RETURNED_BOUNDS): Likewise.
20630	(TARGET_CHKP_BOUND_MODE): Likewise.
20631	(TARGET_BUILTIN_CHKP_FUNCTION): Likewise.
20632	(TARGET_CHKP_FUNCTION_VALUE_BOUNDS): Likewise.
20633	(TARGET_CHKP_MAKE_BOUNDS_CONSTANT): Likewise.
20634	(TARGET_CHKP_INITIALIZE_BOUNDS): Likewise.
20635	* config/i386/i386.h (TARGET_MPX): Likewise.
20636	(TARGET_MPX_P): Likewise.
20637	(VALID_BND_REG_MODE): Likewise.
20638	(FIRST_BND_REG): Likewise.
20639	(LAST_BND_REG): Likewise.
20640	(enum reg_class): Likewise.
20641	(BND_REG_P): Likewise.
20642	(BND_REGNO_P): Likewise.
20643	(BNDmode): Likewise.
20644	(ADJUST_INSN_LENGTH): Likewise.
20645	* config/i386/i386.md: Likewise.
20646	* config/i386/i386.opt: Likewise.
20647	* config/i386/linux-common.h (LIBMPX_LIBS): Likewise.
20648	(defined): Likewise.
20649	(LINK_MPX): Likewise.
20650	(MPX_SPEC): Likewise.
20651	(LIBMPX_SPEC): Likewise.
20652	(LIBMPXWRAPPERS_SPEC): Likewise.
20653	(CHKP_SPEC): Likewise.
20654	* config/i386/predicates.md: Likewise.
20655	* dbxout.c (dbxout_type): Likewise.
20656	* doc/extend.texi: Likewise.
20657	* doc/invoke.texi: Likewise.
20658	* doc/md.texi: Likewise.
20659	* doc/tm.texi: Likewise.
20660	* doc/tm.texi.in: Likewise.
20661	* dwarf2out.c (is_base_type): Likewise.
20662	(gen_formal_types_die): Likewise.
20663	(gen_subprogram_die): Likewise.
20664	(gen_type_die_with_usage): Likewise.
20665	(gen_decl_die): Likewise.
20666	(dwarf2out_late_global_decl): Likewise.
20667	* expr.c (expand_assignment): Likewise.
20668	(emit_storent_insn): Likewise.
20669	(store_expr_with_bounds): Likewise.
20670	(store_expr): Likewise.
20671	(expand_expr_real_1): Likewise.
20672	* expr.h (store_expr_with_bounds): Likewise.
20673	* function.c (use_register_for_decl): Likewise.
20674	(struct bounds_parm_data): Likewise.
20675	(assign_parms_augmented_arg_list): Likewise.
20676	(assign_parm_find_entry_rtl): Likewise.
20677	(assign_parm_is_stack_parm): Likewise.
20678	(assign_parm_load_bounds): Likewise.
20679	(assign_bounds): Likewise.
20680	(assign_parms): Likewise.
20681	(expand_function_start): Likewise.
20682	* gcc.c (CHKP_SPEC): Likewise.
20683	* gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
20684	* gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Likewise.
20685	(wrestrict_dom_walker::check_call): Likewise.
20686	* gimple.c (gimple_build_call_from_tree): Likewise.
20687	* gimple.h (enum gf_mask): Likewise.
20688	(gimple_call_with_bounds_p): Likewise.
20689	(gimple_call_set_with_bounds): Likewise.
20690	* gimplify.c (gimplify_init_constructor): Likewise.
20691	* ipa-cp.c (initialize_node_lattices): Likewise.
20692	(propagate_constants_across_call): Likewise.
20693	(find_more_scalar_values_for_callers_subset): Likewise.
20694	* ipa-hsa.c (process_hsa_functions): Likewise.
20695	* ipa-icf-gimple.c (func_checker::compare_gimple_call): Likewise.
20696	* ipa-icf.c (sem_function::merge): Likewise.
20697	* ipa-inline.c (early_inliner): Likewise.
20698	* ipa-pure-const.c (warn_function_noreturn): Likewise.
20699	(warn_function_cold): Likewise.
20700	(propagate_pure_const): Likewise.
20701	* ipa-ref.h (enum GTY): Likewise.
20702	* ipa-split.c (find_retbnd): Likewise.
20703	(consider_split): Likewise.
20704	(split_function): Likewise.
20705	* ipa-visibility.c (cgraph_externally_visible_p): Likewise.
20706	* ipa.c (walk_polymorphic_call_targets): Likewise.
20707	(symbol_table::remove_unreachable_nodes): Likewise.
20708	(process_references): Likewise.
20709	(cgraph_build_static_cdtor_1): Likewise.
20710	* lto-cgraph.c (lto_output_node): Likewise.
20711	(output_refs): Likewise.
20712	(compute_ltrans_boundary): Likewise.
20713	(input_overwrite_node): Likewise.
20714	(input_node): Likewise.
20715	(input_cgraph_1): Likewise.
20716	* params.def (PARAM_CHKP_MAX_CTOR_SIZE): Likewise.
20717	* passes.c (pass_manager::execute_early_local_passes): Likewise.
20718	(class pass_chkp_instrumentation_passes): Likewise.
20719	(make_pass_chkp_instrumentation_passes): Likewise.
20720	* passes.def: Likewise.
20721	* rtl.h (struct GTY): Likewise.
20722	(CALL_EXPR_WITH_BOUNDS_P): Likewise.
20723	* stor-layout.c (layout_type): Likewise.
20724	* symtab.c: Likewise.
20725	* target.def: Likewise.
20726	* targhooks.c (default_chkp_bound_type): Likewise.
20727	(default_chkp_bound_mode): Likewise.
20728	(default_builtin_chkp_function): Likewise.
20729	(default_chkp_function_value_bounds): Likewise.
20730	(default_chkp_make_bounds_constant): Likewise.
20731	(default_chkp_initialize_bounds): Likewise.
20732	* targhooks.h (default_chkp_bound_type): Likewise.
20733	(default_chkp_bound_mode): Likewise.
20734	(default_builtin_chkp_function): Likewise.
20735	(default_chkp_function_value_bounds): Likewise.
20736	(default_chkp_make_bounds_constant): Likewise.
20737	(default_chkp_initialize_bounds): Likewise.
20738	* toplev.c (compile_file): Likewise.
20739	(process_options): Likewise.
20740	* tree-core.h (DEF_BUILTIN): Likewise.
20741	(DEF_BUILTIN_CHKP): Likewise.
20742	* tree-inline.c (declare_return_variable): Likewise.
20743	(remap_gimple_stmt): Likewise.
20744	(copy_bb): Likewise.
20745	(initialize_inlined_parameters): Likewise.
20746	(expand_call_inline): Likewise.
20747	* tree-pass.h (make_pass_ipa_chkp_versioning): Likewise.
20748	(make_pass_ipa_chkp_early_produce_thunks): Likewise.
20749	(make_pass_ipa_chkp_produce_thunks): Likewise.
20750	(make_pass_chkp): Likewise.
20751	(make_pass_chkp_opt): Likewise.
20752	(make_pass_chkp_instrumentation_passes): Likewise.
20753	* tree-pretty-print.c (dump_generic_node): Likewise.
20754	* tree-ssa-ccp.c (insert_clobber_before_stack_restore): Likewise.
20755	* tree-ssa-dce.c (propagate_necessity): Likewise.
20756	(eliminate_unnecessary_stmts): Likewise.
20757	* tree-ssa-pre.c (create_expression_by_pieces): Likewise.
20758	* tree-ssa-sccvn.c (copy_reference_ops_from_call): Likewise.
20759	* tree-ssa-sccvn.h: Likewise.
20760	* tree-ssa-strlen.c (get_string_length): Likewise.
20761	(valid_builtin_call): Likewise.
20762	(adjust_last_stmt): Likewise.
20763	(handle_builtin_strchr): Likewise.
20764	(handle_builtin_strcpy): Likewise.
20765	(handle_builtin_stxncpy): Likewise.
20766	(handle_builtin_memcpy): Likewise.
20767	(handle_builtin_strcat): Likewise.
20768	(strlen_check_and_optimize_stmt): Likewise.
20769	* tree-stdarg.c (expand_ifn_va_arg_1): Likewise.
20770	* tree-streamer-in.c: Likewise.
20771	* tree-streamer.c (record_common_node): Likewise.
20772	* tree.c (tree_code_size): Likewise.
20773	(wide_int_to_tree_1): Likewise.
20774	(type_contains_placeholder_1): Likewise.
20775	(build_common_tree_nodes): Likewise.
20776	* tree.def (POINTER_BOUNDS_TYPE): Likewise.
20777	* tree.h (POINTER_BOUNDS_TYPE_P): Likewise.
20778	(POINTER_BOUNDS_P): Likewise.
20779	(BOUNDED_TYPE_P): Likewise.
20780	(BOUNDED_P): Likewise.
20781	(CALL_WITH_BOUNDS_P): Likewise.
20782	(pointer_bounds_type_node): Likewise.
20783	* value-prof.c (gimple_ic): Likewise.
20784	* var-tracking.c (vt_add_function_parameters): Likewise.
20785	* varasm.c (make_decl_rtl): Likewise.
20786	(assemble_start_function): Likewise.
20787	(output_constant): Likewise.
20788	(maybe_assemble_visibility): Likewise.
20789	* varpool.c (ctor_for_folding): Likewise.
20790	* chkp-builtins.def: Remove.
20791	* ipa-chkp.c: Remove.
20792	* ipa-chkp.h: Remove.
20793	* rtl-chkp.c: Remove.
20794	* rtl-chkp.h: Remove.
20795	* tree-chkp-opt.c: Remove.
20796	* tree-chkp.c: Remove.
20797	* tree-chkp.h: Remove.
20798
207992018-06-07  Carl Love  <cel@us.ibm.com>
20800
20801	* config/rs6000/vsx.md (vextract_fp_from_shorth,
20802	vextract_fp_from_shortl): Add BE support.
20803
208042018-06-07  Paul Koning  <ni1d@arrl.net>
20805
20806	* compare-elim.c (try_merge_compare): Don't merge compare if
20807	address contains a side effect.
20808	(try_eliminate_compare): Likewise.
20809
208102018-06-07  Olga Makhotina  <olga.makhotina@intel.com>
20811
20812	* config.gcc: Support "tremont".
20813	* config/i386/driver-i386.c (host_detect_local_cpu): Detect "tremont".
20814	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
20815	PROCESSOR_TREMONT.
20816	* config/i386/i386.c (m_TREMONT): Define.
20817	(processor_target_table): Add "tremont".
20818	(PTA_TREMONT): Define.
20819	(ix86_lea_outperforms): Add TARGET_TREMONT.
20820	(get_builtin_code_for_version): Handle PROCESSOR_TREMONT.
20821	(fold_builtin_cpu): Add M_INTEL_TREMONT, replace M_INTEL_GOLDMONT
20822	and M_INTEL_GOLDMONT_PLUS.
20823	(fold_builtin_cpu): Add "tremont".
20824	(ix86_add_stmt_cost): Add TARGET_TREMONT.
20825	(ix86_option_override_internal): Add "tremont".
20826	* config/i386/i386.h (processor_costs): Define TARGET_TREMONT.
20827	(processor_type): Add PROCESSOR_TREMONT.
20828	* config/i386/x86-tune.def: Add m_TREMONT.
20829	* doc/invoke.texi: Add tremont as x86 -march=/-mtune= CPU type.
20830
208312018-06-07  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
20832
20833	* config/msp430/msp430.c (msp430_mcu_name): Set the "i" in the
20834	symbol defined for msp430i* devices to be lower case.
20835
208362018-06-07  Richard Biener  <rguenther@suse.de>
20837
20838	* graphite-sese-to-poly.c (extract_affine): Avoid unneded
20839	wrapping.  Properly wrap the result of a BIT_NOT_EXPR.
20840	Properly wrap signed arithmetic if overflow wraps.
20841
208422018-06-07  Jakub Jelinek  <jakub@redhat.com>
20843
20844	PR tree-optimization/69615
20845	* tree-ssa-reassoc.c (optimize_range_tests_var_bound): If rhs2 is lhs
20846	of a cast from a same precision integral SSA_NAME in a bb dominated
20847	by first_bb, retry with rhs2 set to the rhs1 of the cast.  Don't emit
20848	cast to utype if rhs2 has already a compatible type.
20849
208502018-06-07  Richard Biener  <rguenther@suse.de>
20851
20852	PR tree-optimization/85935
20853	* graphite-scop-detection.c (find_params_in_bb): Analyze
20854	condition operands with respect to the correct loop.  Assert
20855	the analysis doesn't fail.
20856
208572018-06-04  Carl Love  <cel@us.ibm.com>
20858
20859	* config/rs6000/vsx.md (first_match_index_<mode>): Calculate index
20860	using natural element order.  Use gen_lshrsi3 instead of gen_ashrsi3
20861	as it is slightly cheaper.
20862	(first_match_or_eos_index_<mode>):
20863	Calculate index using natural element order.
20864	(first_match_index_<mode>):
20865	Calculate index using natural element order.
20866	(first_match_or_eos_index_<mode>):
20867	Calculate index using natural order.
20868	(define_insn vclzlsbb): Change to define_insn vclzlsbb_<mode>.
20869	for BE and LE modes.
20870	* config/rs6000/rs6000-c.c: Rename P9V_BUILTIN_VCLZLSBB,
20871	P9V_BUILTIN_VCLZLSBB_V16QI.
20872	* config/rs6000/rs6000-builtin.def: Make VCLZLSBB mode
20873	specific.
20874
208752018-06-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20876
20877	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
20878	indentation and line wrap for many prototypes.  Add missing
20879	@smallexample directives around block of prototypes for vec_xl and
20880	vec_xst.
20881
208822018-06-05  Michael Meissner  <meissner@linux.ibm.com>
20883
20884	* config/rs6000/rs6000.c (rs6000_passes_ieee128): New boolean to
20885	track if we pass or return IEEE 128-bit floating point.
20886	(ieee128_mangling_gcc_8_1): New boolean to say whether to generate
20887	C++ mangling that is compatible with GCC 8.1.
20888	(TARGET_ASM_GLOBALIZE_DECL_NAME): Override target hook.
20889	(init_cumulative_args): Note if we pass or return IEEE 128-bit
20890	floating point types.
20891	(rs6000_function_arg_advance_1): Likewise.
20892	(rs6000_mangle_type): Optionally generate mangled names that match
20893	what GCC 8.1 generated for IEEE 128-bit floating point types.
20894	(rs6000_globalize_decl_name): If we have an external function that
20895	passes or returns IEEE 128-bit types, generate a weak reference
20896	from the mangled name used in GCC 8.1 to the current mangled
20897	name.
20898	(rs6000_init_builtins): Make __ibm128 use the long double type if
20899	long double is IBM extended double.  Make __float128 use the long
20900	double type if long double is IEEE 128-bit.
20901
20902	PR target/85657
20903	* config/rs6000/rs6000-builtin.def (BU_IBM128_2): New helper
20904	macro for __ibm128 built-in functions.
20905	(PACK_IF): Add __ibm128 pack/unpack functions.
20906	(UNPACK_IF): Likewise.
20907	* config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Do not
20908	enable long double built-in functions if long double is IEEE
20909	128-bit floating point.
20910	(rs6000_invalid_builtin): Update long double built-in function
20911	error message.
20912	(rs6000_expand_builtin): For PACK_IF and UNPACK_IF built-in
20913	functions, adjust the built-in function to use the long double
20914	built-in function if __ibm128 and long double are the same type.
20915	* doc/extend.texi (PowerPC builtins): Update documention for
20916	__builtin_{,un}pack_longdouble.  Add documentation for
20917	__builtin_{,un}pack_ibm128.
20918
209192018-06-06  Jim Wilson  <jimw@sifive.com>
20920
20921	* config/riscv/riscv.c (enum riscv_privilege_levels): New.
20922	(struct machine_function): New field interrupt_mode.
20923	(riscv_handle_type_attribute): New function.  Add forward declaration.
20924	(riscv_attribute_table) <interrupt>: Use riscv_handle_type_attribute.
20925	(riscv_expand_epilogue): Check interrupt_mode field.
20926	(riscv_set_current_function): Check interrupt attribute args and
20927	set interrupt_mode field.
20928	* config/riscv/riscv.md (UNSPECV_SRET, UNSPECV_URET): New.
20929	(riscv_sret, riscv_uret): New.
20930	* doc/extend.texi (RISC-V Function Attributes) <interrupt>: Document
20931	new arguments to interrupt attribute.
20932
209332018-06-06  Peter Bergner  <bergner@vnet.ibm.com>
20934
20935	PR target/63177
20936	* /config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for -mpower9.
20937	Don't handle -mcpu=power8 if -mpower9-vector is also used.
20938
209392018-06-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20940
20941	* config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_LD,
20942	VSX_BUILTIN_VEC_ST): Add comment to explain non-traditional uses.
20943	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
20944	several redundant entries.
20945
209462018-06-06  David Malcolm  <dmalcolm@redhat.com>
20947
20948	* config/i386/i386-protos.h (ix86_expand_call): Strengthen return
20949	type from "rtx" to "rtx_insn *".
20950	* config/i386/i386.c (ix86_expand_split_stack_prologue): Likewise
20951	for local "call_insn", removing cast.
20952	(ix86_expand_call): Likewise, introducing a "call_insn" local.
20953
209542018-06-06  Eric Botcazou  <ebotcazou@adacore.com>
20955
20956	PR tree-optimization/86066
20957	* gimple-ssa-store-merging.c (process_store): Do not bypass BIT_NOT_EXPR
20958	for BIT_INSERT_EXPR stores.
20959
209602018-06-06  Richard Biener  <rguenther@suse.de>
20961
20962	PR tree-optimization/86062
20963	* tree-ssa-sccvn.c (vn_reference_lookup_3): Handle arbitrary
20964	component refs ontop
20965	of to be offsetted base.
20966
209672018-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
20968
20969	* config/msp430/msp430.c (msp430_attr): Allow interrupt handlers
20970	to be static and remove check on interrupt attribute name.
20971
209722018-06-05  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20973
20974	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Remove
20975	volatile qualifier from vec_lvsl and vec_lvsr argument prototypes.
20976
209772018-06-05  Steve Ellcey  <sellcey@cavium.com>
20978
20979	PR target/79924
20980	* config/aarch64/aarch64-protos.h (aarch64_err_no_fpadvsimd): Remove
20981	second argument.
20982	* config/aarch64/aarch64-protos..c (aarch64_err_no_fpadvsimd):
20983	Remove second argument, change how error is called.
20984	(aarch64_layout_arg): Remove second argument from
20985	aarch64_err_no_fpadvsimd call.
20986	(aarch64_init_cumulative_args): Ditto.
20987	(aarch64_gimplify_va_arg_expr): Ditto.
20988	* config/aarch64/aarch64.md (mov<mode>): Ditto.
20989
209902018-06-05  Uros Bizjak  <ubizjak@gmail.com>
20991
20992	* config/i386/i386.md (simple_return_indirect_internal): New expander.
20993	(*simple_return_indirect_internal<mode>): Rename from
20994	simple_return_indirect_internal.  Use W mode iterator.
20995	(rstorssp): New expander.
20996	(*rstorssp<mode>): Rename from rstorssp.  Use P mode iterator.
20997	(clrssbsy): New expander.
20998	(*clrssbsy<mode>): Rename from clrssbsy.  Use P mode iterator.
20999
210002018-06-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
21001
21002	* config/arm/arm_cmse.h (cmse_nsfptr_create): Change typeof to
21003	__typeof__.
21004	(cmse_check_pointed_object): Likewise.
21005
210062018-06-05  Martin Liska  <mliska@suse.cz>
21007
21008	PR gcov-profile/47618
21009	* doc/invoke.texi: Document how -fprofile-dir format
21010	is extended.
21011
210122018-06-05  Richard Biener  <rguenther@suse.de>
21013
21014	* tree-cfgcleanup.c (cleanup_control_flow_pre): For edge
21015	removal pretend DOM info isn't available so we do not update
21016	it and only remove edges, not dominated blocks.  Actually free
21017	DOM info in case we removed something.  Remove unreachable blocks.
21018	(mfb_keep_latches): Work with either DOM info or marked backedges.
21019	(cleanup_tree_cfg_noloop): Do not remove unreachable blocks
21020	first.  Mark backedges if DOM info isn't available.
21021	(Re-)compute DOM info after cleanup_control_flow_pre.
21022
210232018-06-05  Richard Biener  <rguenther@suse.de>
21024
21025	* tree-cfg.c (struct locus_discrim_map): Store line, not location.
21026	(locus_discrim_hasher::hash): Adjust.
21027	(locus_discrim_hasher::equal): Likewise.
21028	(next_discriminator_for_locus): Work on line directly.
21029	(same_line_p): Pass in expanded locus1 as well.
21030	(assign_discriminators): Avoid redundant location expansions.
21031
210322018-06-05  Richard Biener  <rguenther@suse.de>
21033
21034	PR tree-optimization/86046
21035	* tree-ssa.c (maybe_optimize_var): Clear DECL_GIMPLE_REG_P
21036	if required after clearing TREE_ADDRESSABLE.
21037
210382018-06-05  Richard Biener  <rguenther@suse.de>
21039
21040	PR tree-optimization/86047
21041	* tree-ssa-loop.c (for_each_index): Glob handling of all
21042	decls and constants and really handle all of them.
21043
210442018-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21045
21046	PR target/81497
21047	* config/arm/arm-builtins.c (arm_type_qualifiers): Add
21048	qualifier_void_pointer and qualifier_const_void_pointer.
21049	(arm_ldc_qualifiers, arm_stc_qualifiers): Use the above.
21050	(arm_init_builtins): Handle the above.
21051	* config/arm/arm_acle.h (__arm_cdp, __arm_ldc, __arm_ldcl, __arm_stc,
21052	__arm_stcl, __arm_mcr, __arm_cdp2, __arm_ldc2, __arm_ldcl2, __arm_stc2,
21053	__arm_stcl2,__arm_mcr2, __arm_mcrr, __arm_mcrr2): Remove return for
21054	void intrinsics.
21055
210562018-06-05  Martin Liska  <mliska@suse.cz>
21057
21058	* auto-profile.c (read_autofdo_file): Do not use
21059	gcov_ctr_summary struct.
21060	(afdo_callsite_hot_enough_for_early_inline): Likewise.
21061	* coverage.c (struct counts_entry): Likewise.
21062	(read_counts_file): Read just single summary entry.
21063	(get_coverage_counts): Use gcov_summary struct.
21064	* coverage.h (get_coverage_counts): Likewise.
21065	* gcov-dump.c (dump_working_sets): Likewise.
21066	(tag_summary): Dump just single summary.
21067	* gcov-io.c (gcov_write_summary): Write just histogram
21068	summary.
21069	(gcov_read_summary): Read just single summary.
21070	(compute_working_sets): Use gcov_summary struct.
21071	* gcov-io.h (GCOV_TAG_SUMMARY_LENGTH): Remove usage
21072	of GCOV_COUNTERS_SUMMABLE.
21073	(GCOV_COUNTERS_SUMMABLE): Remove.
21074	(GCOV_FIRST_VALUE_COUNTER): Replace with
21075	GCOV_COUNTER_V_INTERVAL.
21076	(struct gcov_ctr_summary): Remove.
21077	(struct gcov_summary): Directly use fields of former
21078	gcov_ctr_summary.
21079	(compute_working_sets): Use gcov_summary struct.
21080	* gcov.c (read_count_file): Do not use ctrs fields.
21081	* lto-cgraph.c (merge_profile_summaries): Use gcov_summary
21082	struct.
21083	* lto-streamer.h (struct GTY): Make profile_info gcov_summary
21084	struct.
21085	* profile.c: Likewise.
21086	* profile.h: Likewise.
21087
210882018-06-05  Martin Liska  <mliska@suse.cz>
21089
21090	PR gcov-profile/84846
21091	* gcov.c (output_lines): Print working directory only
21092	in intermediate format.
21093
210942018-06-05  Andreas Krebbel  <krebbel@linux.ibm.com>
21095
21096	* config/s390/s390-builtin-types.def: Add void function type.
21097	* config/s390/s390-builtins.def: Use the function type for the
21098	tbeginc builtin.
21099
211002018-06-04  Jim Wilson  <jimw@sifive.com>
21101
21102	* config/riscv/riscv-protos.h (riscv_expand_epilogue): Change bool arg
21103	to int.
21104	* config/riscv/riscv.c (riscv_for_each_saved_reg): New args epilogue
21105	and maybe_eh_return.  Change regno to unsigned int.  Use new args to
21106	handle EH_RETURN_DATA_REGNO registers properly.
21107	(riscv_expand_prologue): Pass new args to riscv_for_each_saved_reg.
21108	(riscv_expand_epilogue): Update comment.  Change argument name and
21109	type.  Update code to use new name and type.  Pass new args to
21110	riscv_for_each_saved_reg.  Only use EH_RETURN_STACKADJ_RTX when
21111	EXCEPTION_RETURN.
21112	* config/riscv/riscv.md (NORMAL_RETURN): New.
21113	(SIBCALL_RETURN, EXCEPTION_RETURN): New.
21114	(epilogue, sibcall_epilogue): Update riscv_expand_epilogue arg.
21115	(eh_return): Call gen_eh_return_internal and emit barrier.
21116	(eh_return_internal): Call riscv_expand_epilogue.
21117
211182018-06-04  Eric Botcazou  <ebotcazou@adacore.com>
21119
21120	* gimple-ssa-store-merging.c (struct merged_store_group): Move up
21121	bit_insertion field and declare can_be_merged_into method.
21122	(merged_store_group::can_be_merged_into): New method.
21123	(imm_store_chain_info::coalesce_immediate): Call it to decide whether
21124	consecutive non-overlapping stores can be merged.  Turn MEM_REF stores
21125	into BIT_INSERT_EXPR stores if the group contains a non-MEM_REF store.
21126
211272018-06-04  Richard Biener  <rguenther@suse.de>
21128
21129	PR tree-optimization/85955
21130	* builtins.c (fold_builtin_sincos): Convert pointers to
21131	destination to appropriate type before dereferencing.
21132
211332018-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
21134
21135	* config/rs6000/rs6000.md (abs<mode>2 for FLOAT128): Handle IFmode.
21136
211372018-06-04  Richard Sandiford  <richard.sandiford@linaro.org>
21138
21139	* expr.c (expand_expr_real_1): Force the operand into memory if
21140	its TYPE_MODE is BLKmode and if there is no integer mode for
21141	the number of bits being extracted.
21142
211432018-06-04  Jakub Jelinek  <jakub@redhat.com>
21144
21145	PR target/85832
21146	PR target/86036
21147	* config/i386/sse.md (<avx512>_eq<mode>3<mask_scalar_merge_name>_1):
21148	Use vptestnm rather than vptestm in (=Yc,v,C) variant.
21149
211502018-06-04  Richard Biener  <rguenther@suse.de>
21151
21152	* tree-cfgcleanup.c (cleanup_tree_cfg_1): Fold into...
21153	(cleanup_tree_cfg_noloop): ... single caller.  Do
21154	start_recording_case_labels later.
21155
211562018-06-04  Sebastian Peryt  <sebastian.peryt@intel.com>
21157
21158	* config/i386/cldemoteintrin.h: Change define from _X86INTRIN_H_INCLUDED
21159	to _IMMINTRIN_H_INCLUDED.
21160	* config/i386/pconfigintrin.h: Ditto.
21161	* config/i386/waitpkgintrin.h: Ditto.
21162	* config/i386/immintrin.h: Add includes for sgxintrin.h,
21163	pconfigintrin.h, waitpkgintrin.h and cldemoteintrin.h.
21164	* config/i386/x86intrin.h: Remove includes for mintrin.h, xmmintrin.h,
21165	emmintrin.h, pmmintrin.h, tmmintrin.h, smmintrin.h, wmmintrin.h,
21166	bmiintrin.h, bmi2intrin.h, lzcntintrin.h, sgxintrin.h, pconfigintrin.h,
21167	waitpkgintrin.h and cldemoteintrin.h.
21168
211692018-06-04  Richard Biener  <rguenther@suse.de>
21170
21171	PR tree-optimization/86038
21172	* tracer.c (find_best_successor): Check probability for
21173	being initialized, bail out if not.
21174
211752018-06-04  Richard Earnshaw  <rearnsha@arm.com>
21176
21177	PR target/86003
21178	* config/arm/arm-cpus.in (ALL_QUIRKS): Add xscale feature to the list
21179	of bits to ignore when comparing architectures.
21180
211812018-06-04  Jakub Jelinek  <jakub@redhat.com>
21182
21183	PR tree-optimization/69615
21184	* fold-const.c (merge_ranges): If range1 is - [x, x] and x is the
21185	maximum or minimum of the type, try to merge it also as if
21186	range1 is + [-, x - 1] or + [x + 1, -].
21187
21188	PR c++/86025
21189	* tree.c (inchash::add_expr): Handle IDENTIFIER_NODE.
21190
211912018-06-03  Eric Botcazou  <ebotcazou@adacore.com>
21192
21193	PR tree-optimization/86034
21194	* gimple-ssa-store-merging.c (output_merged_store): Convert the RHS to
21195	the unsigned bitfield type in a bit insertion sequence if it does not
21196	have a larger precision than the bitfield size.
21197	(process_store): Also bypass widening conversions for BIT_INSERT_EXPR.
21198
211992018-06-03  Kito Cheng  <kito.cheng@gmail.com>
21200
21201	* config/nds32/nds32-peephole2.md: Add new patterns for code size.
21202
212032018-06-03  Chung-Ju Wu  <jasonwucj@gmail.com>
21204
21205	* config/nds32/nds32-opts.h (nds32_arch_type): Add ARCH_V3J.
21206	* config/nds32/nds32.c (nds32_option_override): Consider ARCH_V3J.
21207	* config/nds32/nds32.h (TARGET_ISA_V3): Add ARCH_V3J checking.
21208	* config/nds32/nds32.opt (march): Add enum value Value(ARCH_V3J).
21209
212102018-06-03  Chung-Ju Wu  <jasonwucj@gmail.com>
21211
21212	* common/config/nds32/nds32-common.c (nds32_option_optimization_table):
21213	Disable -fdelete-null-pointer-checks for ELF toolchain.
21214
212152018-06-02  Chung-Ju Wu  <jasonwucj@gmail.com>
21216	    Kito Cheng  <kito.cheng@gmail.com>
21217
21218	* config.gcc (nds32*): Use nds32-linux.opt and nds32-elf.opt.
21219	(nds32le-*-*, nds32be-*-*): Integrate checking process.
21220	(nds32*-*-*): Add glibc and uclibc conditions.
21221	* common/config/nds32/nds32-common.c (nds32_except_unwind_info): New.
21222	(TARGET_EXCEPT_UNWIND_INFO): Define.
21223	* config/nds32/elf.h: New file.
21224	* config/nds32/linux.h: New file.
21225	* config/nds32/nds32-elf.opt: New file.
21226	* config/nds32/nds32-linux.opt: New file.
21227	* config/nds32/nds32-fp-as-gp.c
21228	(pass_nds32_fp_as_gp::gate): Consider TARGET_LINUX_ABI.
21229	* config/nds32/nds32.c (nds32_conditional_register_usage): Consider
21230	TARGET_LINUX_ABI.
21231	(nds32_asm_file_end): Ditto.
21232	(nds32_print_operand): Ditto.
21233	(nds32_insert_attributes): Ditto.
21234	(nds32_init_libfuncs): New function.
21235	(TARGET_HAVE_TLS): Define.
21236	(TARGET_INIT_LIBFUNCS): Define.
21237	* config/nds32/nds32.h (TARGET_DEFAULT_RELAX): Apply different relax
21238	spec content.
21239	(TARGET_ELF): Apply different mcmodel setting.
21240	(LINK_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): The content has
21241	been migrated into elf.h and linux.h files.
21242	* config/nds32/nds32.md (add_pc): Consider TARGET_LINUX_ABI.
21243	* config/nds32/nds32.opt (mvh): Consider TARGET_LINUX_ABI.
21244	(mcmodel): The content has been migrated into nds32-elf.opt and
21245	nds32-linux.opt files.
21246	* config/nds32/t-elf: New file.
21247	* config/nds32/t-linux: New file.
21248
212492018-06-02  Chung-Ju Wu  <jasonwucj@gmail.com>
21250	    Shiva Chen  <shiva0217@gmail.com>
21251
21252	* config/nds32/constants.md (unspec_volatile_element): Add
21253	UNSPEC_VOLATILE_OMIT_FP_BEGIN and UNSPEC_VOLATILE_OMIT_FP_END.
21254	* config/nds32/nds32-fp-as-gp.c: New implementation of fp_as_gp
21255	optimization.
21256	* config/nds32/nds32-protos.h (nds32_naked_function_p): Declare.
21257	(make_pass_nds32_fp_as_gp): Declare.
21258	* config/nds32/nds32.c (nds32_register_passes): Add fp_as_gp as one
21259	optmization pass.
21260	(nds32_asm_function_end_prologue): Remove unused asm output.
21261	(nds32_asm_function_begin_epilogue): Remove unused asm output.
21262	(nds32_asm_file_start): Output necessary fp_as_gp information.
21263	(nds32_option_override): Adjust register usage.
21264	(nds32_expand_prologue): Consider fp_as_gp situation.
21265	(nds32_expand_prologue_v3push): Consider fp_as_gp situation.
21266	* config/nds32/nds32.md (prologue): Check fp_as_gp_p and naked_p.
21267	(epilogue): Ditto.
21268	(return): Ditto.
21269	(simple_return): Ditto.
21270	(omit_fp_begin): Output special directive for fp_as_gp.
21271	(omit_fp_end): Output special directive for fp_as_gp.
21272	* config/nds32/nds32.opt (mfp-as-gp, mno-fp-as-gp, mforce-fp-as-gp,
21273	mforbid-fp-as-gp): New options.
21274
212752018-06-01  Mark Wielaard  <mark@klomp.org>
21276
21277	* dwarf2out.c (dwarf2out_finish): Remove generation of
21278	DW_AT_loclists_base.
21279
212802018-06-01  Eric Botcazou  <ebotcazou@adacore.com>
21281
21282	* gimple-ssa-store-merging.c: Include gimple-fold.h.
21283	(struct store_immediate_info): Document BIT_INSERT_EXPR stores.
21284	(struct merged_store_group): Add bit_insertion field.
21285	(dump_char_array): Use standard hexadecimal format.
21286	(merged_store_group::merged_store_group): Set bit_insertion to false.
21287	(merged_store_group::apply_stores): Use optimal buffer size.  Deal
21288	with BIT_INSERT_EXPR stores.  Move up code updating the mask and
21289	also print the mask in the dump file.
21290	(pass_store_merging::gate): Minor tweak.
21291	(imm_store_chain_info::coalesce_immediate): Fix wrong association
21292	of stores with groups in dump.  Allow coalescing of BIT_INSERT_EXPR
21293	stores with INTEGER_CST stores.
21294	(count_multiple_uses) <BIT_INSERT_EXPR>: New case.
21295	(imm_store_chain_info::output_merged_store): Add try_bitpos variable
21296	and use it throughout.  Generate bit insertion sequences if need be.
21297	(pass_store_merging::process_store): Remove redundant condition.
21298	Record stores from a SSA name to a bit-field with BIT_INSERT_EXPR.
21299
213002018-06-01  Segher Boessenkool  <segher@kernel.crashing.org>
21301
21302	* config/rs6000/rs6000.c (rs6000_mangle_type): Change the mangling of
21303	the 128-bit floating point types.  Fix function comment.
21304
213052018-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21306
21307	* config/aarch64/aarch64-simd.md
21308	(aarch64_simd_vec_unpack<su>_lo_<mode>): Use UXTL and SXTL assembler
21309	mnemonics.
21310	(aarch64_simd_vec_unpack<su>_hi_<mode>): Use UXTL2 and SXTL2 assembler
21311	mnemonics.
21312
213132018-06-01  Richard Sandiford  <richard.sandiford@linaro.org>
21314
21315	PR tree-optimization/85989
21316	* gimple-ssa-backprop.c (backprop::m_visited_phis): New member
21317	variable.
21318	(backprop::intersect_uses): Check it when deciding whether this
21319	is a backedge reference.
21320	(backprop::process_block): Add each phi to m_visited_phis
21321	after visiting it, then clear it at the end.
21322
213232018-06-01  Richard Biener  <rguenther@suse.de>
21324
21325	* tree-vectorizer.h (vect_dr_stmt): New function.
21326	(vect_get_load_cost): Adjust.
21327	(vect_get_store_cost): Likewise.
21328	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
21329	Use vect_dr_stmt instead of DR_SMTT.
21330	(vect_record_base_alignments): Likewise.
21331	(vect_calculate_target_alignment): Likewise.
21332	(vect_compute_data_ref_alignment): Likewise and make static.
21333	(vect_update_misalignment_for_peel): Likewise.
21334	(vect_verify_datarefs_alignment): Likewise.
21335	(vector_alignment_reachable_p): Likewise.
21336	(vect_get_data_access_cost): Likewise.  Pass down
21337	vinfo to vect_get_load_cost/vect_get_store_cost instead of DR.
21338	(vect_get_peeling_costs_all_drs): Likewise.
21339	(vect_peeling_hash_get_lowest_cost): Likewise.
21340	(vect_enhance_data_refs_alignment): Likewise.
21341	(vect_find_same_alignment_drs): Likewise.
21342	(vect_analyze_data_refs_alignment): Likewise.
21343	(vect_analyze_group_access_1): Likewise.
21344	(vect_analyze_group_access): Likewise.
21345	(vect_analyze_data_ref_access): Likewise.
21346	(vect_analyze_data_ref_accesses): Likewise.
21347	(vect_vfa_segment_size): Likewise.
21348	(vect_small_gap_p): Likewise.
21349	(vectorizable_with_step_bound_p): Likewise.
21350	(vect_prune_runtime_alias_test_list): Likewise.
21351	(vect_analyze_data_refs): Likewise.
21352	(vect_supportable_dr_alignment): Likewise.
21353	* tree-vect-loop-manip.c (get_misalign_in_elems): Likewise.
21354	(vect_gen_prolog_loop_niters): Likewise.
21355	* tree-vect-loop.c (vect_analyze_loop_2): Likewise.
21356	* tree-vect-patterns.c (vect_recog_bool_pattern): Do not
21357	modify DR_STMT.
21358	(vect_recog_mask_conversion_pattern): Likewise.
21359	(vect_try_gather_scatter_pattern): Likewise.
21360	* tree-vect-stmts.c (vect_model_store_cost): Pass stmt_info
21361	to vect_get_store_cost.
21362	(vect_get_store_cost): Get stmt_info instead of DR.
21363	(vect_model_load_cost): Pass stmt_info to vect_get_load_cost.
21364	(vect_get_load_cost): Get stmt_info instead of DR.
21365
213662018-06-01  Richard Biener  <rguenther@suse.de>
21367
21368	PR middle-end/86017
21369	* gimple-fold.c (var_decl_component_p): Also allow offsetted
21370	vars wrapped in MEM_REFs.
21371
213722018-06-01  Richard Sandiford  <richard.sandiford@linaro.org>
21373
21374	* config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
21375	Fix subreg tests so that we only return a choice between
21376	GENERAL_REGS and FP_REGS if the original classes included both.
21377
213782018-06-01  Richard Biener  <rguenther@suse.de>
21379
21380	PR ipa/85960
21381	* tree-ssa-structalias.c (get_function_part_constraint):
21382	Handle NULL fi->decl.
21383	(find_func_aliases_for_call): Properly handle indirect
21384	fi from direct call.
21385	(find_func_clobbers): Likewise.
21386	(ipa_pta_execute): Likewise.
21387	(create_variable_info_for): For functions that are ifunc_resolver
21388	resolve to a varinfo that contains the result of the resolver call.
21389	(associate_varinfo_to_alias): Do not treat ifunc resolvers as
21390	aliases.
21391
213922018-05-31  Michael Collison  <michael.collison@arm.com>
21393
21394	* config/aarch64/aarch64.md:
21395	(*fix_to_zero_extenddfdi2): New pattern.
21396	* gcc.target/aarch64/fix_extend1.c: New testcase.
21397
213982018-05-31  Qing Zhao  <qing.zhao@oracle.com>
21399
21400	PR middle-end/78809
21401	PR middle-end/83026
21402	* builtins.c (expand_builtin): Add the handling of BUILT_IN_STRCMP_EQ
21403	and BUILT_IN_STRNCMP_EQ.
21404	* builtins.def: Add new builtins BUILT_IN_STRCMP_EQ and
21405	BUILT_IN_STRNCMP_EQ.
21406	* gimple-fold.c (gimple_fold_builtin_string_compare): Add the
21407	handling of BUILTIN_IN_STRCMP_EQ and BUILT_IN_STRNCMP_EQ.
21408	(gimple_fold_builtin): Likewise.
21409	* tree-ssa-strlen.c (compute_string_length): New function.
21410	(determine_min_obsize): New function.
21411	(handle_builtin_string_cmp): New function to handle calls to
21412	string compare functions.
21413	(strlen_optimize_stmt): Add handling to builtin string compare
21414	calls.
21415	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
21416	Add the handling of BUILT_IN_STRCMP_EQ and BUILT_IN_STRNCMP_EQ.
21417	* tree.c (build_common_builtin_nodes): Add new defines of
21418	BUILT_IN_STRNCMP_EQ and BUILT_IN_STRCMP_EQ.
21419
214202018-05-31  Jakub Jelinek  <jakub@redhat.com>
21421
21422	PR target/85984
21423	* bb-reorder.c (pass_partition_blocks::gate): Return false for
21424	functions with naked attribute.
21425
214262018-05-31  Uros Bizjak  <ubizjak@gmail.com>
21427
21428	* config/i386/sse.md (avx_vec_concat<mode>):
21429	Substitute concat_tg_mode mode attribute with xtg_mode.
21430	(<mask_codefor>avx512dq_broadcast<mode><mask_name>_1): Ditto.
21431	(concat_tg_mode): Remove mode attribute.
21432
214332018-05-31  Martin Sebor  <msebor@redhat.com>
21434
21435	PR c/82063
21436	* calls.c (alloc_max_size): Correct a logic error/typo.
21437	Treat excessive arguments as infinite.  Warn for invalid arguments.
21438	* doc/invoke.texi (-Walloc-size-larger-than): Update.
21439
214402018-05-31  H.J. Lu  <hongjiu.lu@intel.com>
21441
21442	PR target/85829
21443	* config/i386/x86-tune.def: Re-enable partial_reg_dependency
21444	and movx for Haswell.
21445
214462018-05-31  Chung-Lin Tang  <cltang@codesourcery.com>
21447	    Cesar Philippidis  <cesar@codesourcery.com>
21448
21449	PR middle-end/85879
21450	* gimplify.c (gimplify_adjust_omp_clauses): Add 'remove = true'
21451	when emitting error on private/firstprivate reductions.
21452	* omp-low.c (lower_omp_target): Avoid reference-type processing
21453	on pointers for firstprivate clause.
21454
214552018-05-31  Sameera Deshpande  <sameera.deshpande@linaro.org>
21456
21457	* config/aarch64/aarch64-simd-builtins.def (ld1x3): New.
21458	(st1x2): Likewise.
21459	(st1x3): Likewise.
21460	* config/aarch64/aarch64-simd.md
21461	(aarch64_ld1x3<VALLDIF:mode>): New pattern.
21462	(aarch64_ld1_x3_<mode>): Likewise
21463	(aarch64_st1x2<VALLDIF:mode>): Likewise
21464	(aarch64_st1_x2_<mode>): Likewise
21465	(aarch64_st1x3<VALLDIF:mode>): Likewise
21466	(aarch64_st1_x3_<mode>): Likewise
21467	* config/aarch64/arm_neon.h (vld1_u8_x3): New function.
21468	(vld1_s8_x3): Likewise.
21469	(vld1_u16_x3): Likewise.
21470	(vld1_s16_x3): Likewise.
21471	(vld1_u32_x3): Likewise.
21472	(vld1_s32_x3): Likewise.
21473	(vld1_u64_x3): Likewise.
21474	(vld1_s64_x3): Likewise.
21475	(vld1_f16_x3): Likewise.
21476	(vld1_f32_x3): Likewise.
21477	(vld1_f64_x3): Likewise.
21478	(vld1_p8_x3): Likewise.
21479	(vld1_p16_x3): Likewise.
21480	(vld1_p64_x3): Likewise.
21481	(vld1q_u8_x3): Likewise.
21482	(vld1q_s8_x3): Likewise.
21483	(vld1q_u16_x3): Likewise.
21484	(vld1q_s16_x3): Likewise.
21485	(vld1q_u32_x3): Likewise.
21486	(vld1q_s32_x3): Likewise.
21487	(vld1q_u64_x3): Likewise.
21488	(vld1q_s64_x3): Likewise.
21489	(vld1q_f16_x3): Likewise.
21490	(vld1q_f32_x3): Likewise.
21491	(vld1q_f64_x3): Likewise.
21492	(vld1q_p8_x3): Likewise.
21493	(vld1q_p16_x3): Likewise.
21494	(vld1q_p64_x3): Likewise.
21495	(vst1_s64_x2): Likewise.
21496	(vst1_u64_x2): Likewise.
21497	(vst1_f64_x2): Likewise.
21498	(vst1_s8_x2): Likewise.
21499	(vst1_p8_x2): Likewise.
21500	(vst1_s16_x2): Likewise.
21501	(vst1_p16_x2): Likewise.
21502	(vst1_s32_x2): Likewise.
21503	(vst1_u8_x2): Likewise.
21504	(vst1_u16_x2): Likewise.
21505	(vst1_u32_x2): Likewise.
21506	(vst1_f16_x2): Likewise.
21507	(vst1_f32_x2): Likewise.
21508	(vst1_p64_x2): Likewise.
21509	(vst1q_s8_x2): Likewise.
21510	(vst1q_p8_x2): Likewise.
21511	(vst1q_s16_x2): Likewise.
21512	(vst1q_p16_x2): Likewise.
21513	(vst1q_s32_x2): Likewise.
21514	(vst1q_s64_x2): Likewise.
21515	(vst1q_u8_x2): Likewise.
21516	(vst1q_u16_x2): Likewise.
21517	(vst1q_u32_x2): Likewise.
21518	(vst1q_u64_x2): Likewise.
21519	(vst1q_f16_x2): Likewise.
21520	(vst1q_f32_x2): Likewise.
21521	(vst1q_f64_x2): Likewise.
21522	(vst1q_p64_x2): Likewise.
21523	(vst1_s64_x3): Likewise.
21524	(vst1_u64_x3): Likewise.
21525	(vst1_f64_x3): Likewise.
21526	(vst1_s8_x3): Likewise.
21527	(vst1_p8_x3): Likewise.
21528	(vst1_s16_x3): Likewise.
21529	(vst1_p16_x3): Likewise.
21530	(vst1_s32_x3): Likewise.
21531	(vst1_u8_x3): Likewise.
21532	(vst1_u16_x3): Likewise.
21533	(vst1_u32_x3): Likewise.
21534	(vst1_f16_x3): Likewise.
21535	(vst1_f32_x3): Likewise.
21536	(vst1_p64_x3): Likewise.
21537	(vst1q_s8_x3): Likewise.
21538	(vst1q_p8_x3): Likewise.
21539	(vst1q_s16_x3): Likewise.
21540	(vst1q_p16_x3): Likewise.
21541	(vst1q_s32_x3): Likewise.
21542	(vst1q_s64_x3): Likewise.
21543	(vst1q_u8_x3): Likewise.
21544	(vst1q_u16_x3): Likewise.
21545	(vst1q_u32_x3): Likewise.
21546	(vst1q_u64_x3): Likewise.
21547	(vst1q_f16_x3): Likewise.
21548	(vst1q_f32_x3): Likewise.
21549	(vst1q_f64_x3): Likewise.
21550	(vst1q_p64_x3): Likewise.
21551
215522018-05-30  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
21553
21554	* config/msp430/msp430.c (msp430_output_labelref): Prepend
21555	user_label_prefix to name.
21556
21557	* tree-core.h: Update comment about the format of NAME string
21558	passed to handler in attribute_spec.
21559
21560	* config/msp430/msp430.md: Remove erroneous subreg expression from
21561	zero_extendqisi2 insn pattern. Remove msp430x ISA restriction on
21562	zero_extend{q,h}isi2.
21563
215642018-05-30  Borislav Petkov  <bp@suse.de>
21565
21566	* doc/extend.texi: Document some architecture specific
21567	constraints and sort entries.
21568
215692018-05-30  Martin Sebor  <msebor@redhat.com>
21570
21571	PR middle-end/85369
21572	* builtins.c (expand_builtin_stpcpy_1): New function.
21573	(expand_builtin_stpcpy): Call it, and call maybe_warn_nonstring_arg
21574	only if the former succeeds.
21575
215762018-05-31  Sameera Deshpande  <sameera.deshpande@linaro.org>
21577
21578	* config/aarch64/aarch64-cores.def (saphira) : Add support for ARMv8.4
21579	in saphira.
21580
215812018-05-30  Jan Hubicka  <hubicka@ucw.cz>
21582
21583	* doc/invoke.texi (-flinker-output): Document
21584
215852018-05-30  Jan Hubicka  <hubicka@ucw.cz>
21586
21587	* passes.c (ipa_write_summaries): Only modify statements if body
21588	is in memory.
21589	* cgraphunit.c (ipa_passes): Also produce intermeidate code when
21590	incrementally linking.
21591	(ipa_passes): Likewise.
21592	* lto-cgraph.c (lto_output_node): When incrementally linking do not
21593	pass down resolution info.
21594	* common.opt (flag_incremental_link): Update info.
21595	* gcc.c (plugin specs): Turn flinker-output=* to
21596	-plugin-opt=-linker-output-known
21597	* toplev.c (compile_file): Also cut compilation when doing incremental
21598	link.
21599	* flag-types. (enum lto_partition_model): Add
21600	LTO_LINKER_OUTPUT_NOLTOREL.
21601	(invoke.texi): Add -flinker-output docs.
21602	* ipa.c (symbol_table::remove_unreachable_nodes): Handle LTO incremental
21603	link same way as WPA; do not stream in dead initializers.
21604
21605	* dwarf2out.c (dwarf2out_die_ref_for_decl,
21606	darf2out_register_external_decl): Support incremental link.
21607
216082018-05-30  Jan Hubicka  <hubicka@ucw.cz>
21609
21610	* lto-opts.c (lto_write_options): Skip OPT_dumpdir, OPT_fresolution_.
21611
216122018-05-30  Jan Hubicka  <hubicka@ucw.cz>
21613
21614	* lto-wrapper.c (debug_objcopy): Add rename parameter; pass
21615	it down to simple_object_copy_lto_debug_sections.
21616	(run_gcc): Determine incremental LTO link time and configure
21617	lto1 into non-wpa mode, disable renaming of debug sections.
21618
216192018-05-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21620
21621	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Remove
21622	descriptions of various incorrectly documented functions.
21623
216242018-05-30  Andre Vieira  <andre.simoesdiasvieira@arm.com>
21625
21626	Revert:
21627	* config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Make
21628	address check not strict.
21629
216302018-05-30  Richard Biener  <rguenther@suse.de>
21631
21632	PR tree-optimization/85964
21633	* tracer.c (better_p): Drop initialized count check, we only
21634	call the function with initialized counts now.
21635	(find_best_successor): Do find a best edge if one
21636	has uninitialized count.
21637	(find_best_predecessor): Likewise.  Do BB frequency check only
21638	if count is initialized.
21639
216402017-05-30  Jackson Woodruff  <jackson.woodruff@arm.com>
21641
21642	* config/aarch64/aarch64.c (aarch64_host_wide_int_compare): New.
21643	(aarch64_ldrstr_offset_compare): New.
21644	(aarch64_operands_adjust_ok_for_ldpstp): Update to consider all
21645	load/store orderings.
21646	(aarch64_gen_adjusted_ldpstp): Likewise.
21647
216482018-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
21649
21650	* config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
21651	Check for subset of GENERAL_REGS and FP_REGS.
21652	* config/aarch64/aarch64-simd.md (aarch64_get_lane): Increase cost of
21653	r=w alternative.
21654
216552018-05-30  Richard Sandiford  <richard.sandiford@linaro.org>
21656
21657	* alias.c (adjust_offset_for_component_ref): Use poly_int_tree_p
21658	and wi::to_poly_offset.  Add the current offset and then check
21659	whether the sum fits, rather than using an unchecked addition of
21660	a checked term.  Check for a shwi rather than a uhwi.
21661	* expr.c (get_bit_range): Use tree_to_poly_uint64.
21662	(store_constructor): Use poly_int_tree_p.
21663	(expand_expr_real_1): Likewise.
21664	* function.c (assign_temp): Likewise.
21665	* fold-const.c (const_binop): Use poly_int_tree_p and
21666	wi::to_poly_offset.
21667	(fold_indirect_ref_1): Likewise.  Use multiple_p to attempt an exact
21668	division.
21669	* ipa-icf-gimple.c (func_checker::compare_operand): Use
21670	to_poly_offset for MEM offsets.
21671	* ipa-icf.c (sem_variable::equals): Likewise.
21672	* stor-layout.c (compute_record_mode): Use poly_int_tree_p.
21673	* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
21674	wi::to_poly_offset for BIT_FIELD_REF offsets.
21675	(vn_reference_maybe_forwprop_address): Use poly_int_tree_p and
21676	wi::to_poly_offset.
21677	* var-tracking.c (emit_note_insn_var_location): Use
21678	tree_to_poly_uint64.
21679
216802018-05-29  Jim Wilson  <jimw@sifive.com>
21681
21682	* config/riscv/riscv.c (riscv_interrupt_type): Fix comment typo.
21683
216842018-05-29  Uros Bizjak  <ubizjak@gmail.com>
21685
21686	PR target/85950
21687	* config/i386/i386.md (l<rounding_insn><MODEF:mode><SWI48:mode>2):
21688	Enable for TARGET_SSE4_1 and generate rounds{s,d} and cvtts{s,d}2si{,q}
21689	sequence.
21690	(sse4_1_round<mode>2): Use nonimmediate_operand
21691	for operand 1 predicate.
21692
216932018-05-29  Martin Sebor  <msebor@redhat.com>
21694	    Richard Biener  <rguenther@suse.de>
21695
21696	PR testsuite/85888
21697	* calls.c (get_size_range): Call determine_value_range instead
21698	of get_value_range..
21699	* tree-vrp.h (determine_value_range): Declared new function.
21700	* tree-vrp.c (determine_value_range_1, determine_value_range): New.
21701
217022018-05-29  Richard Biener  <rguenther@suse.de>
21703
21704	* tree-vect-data-refs.c (vect_preserves_scalar_order_p): Make
21705	sure to use non-pattern stmts for get_earlier_stmt arguments.
21706	* tree-vectorizer.h (get_earlier_stmt): Assert we do not get
21707	called on pattern stmts.
21708	(get_later_stmt): Likewise.
21709
217102018-05-29  Martin Liska  <mliska@suse.cz>
21711
21712	PR gcov-profile/85759
21713	* doc/gcov.texi: Document GCOV_ERROR_FILE and GCOV_EXIT_AT_ERROR
21714	env variables.
21715
217162018-05-29  Jakub Jelinek  <jakub@redhat.com>
21717
21718	* tree-cfg.c (verify_gimple_assign_unary): Add checking for
21719	VEC_UNPACK_*_EXPR.
21720	(verify_gimple_assign_binary): Check TYPE_VECTOR_SUBPARTS for
21721	VEC_PACK_*_EXPR.
21722
21723	PR target/85918
21724	* tree.def (VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR,
21725	VEC_PACK_FLOAT_EXPR): New tree codes.
21726	* tree-pretty-print.c (op_code_prio): Handle
21727	VEC_UNPACK_FIX_TRUNC_HI_EXPR and VEC_UNPACK_FIX_TRUNC_LO_EXPR.
21728	(dump_generic_node): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR,
21729	VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR.
21730	* tree-inline.c (estimate_operator_cost): Likewise.
21731	* gimple-pretty-print.c (dump_binary_rhs): Handle VEC_PACK_FLOAT_EXPR.
21732	* fold-const.c (const_binop): Likewise.
21733	(const_unop): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR and
21734	VEC_UNPACK_FIX_TRUNC_LO_EXPR.
21735	* tree-cfg.c (verify_gimple_assign_unary): Likewise.
21736	(verify_gimple_assign_binary): Handle VEC_PACK_FLOAT_EXPR.
21737	* cfgexpand.c (expand_debug_expr): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR,
21738	VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR.
21739	* expr.c (expand_expr_real_2): Likewise.
21740	* optabs.def (vec_packs_float_optab, vec_packu_float_optab,
21741	vec_unpack_sfix_trunc_hi_optab, vec_unpack_sfix_trunc_lo_optab,
21742	vec_unpack_ufix_trunc_hi_optab, vec_unpack_ufix_trunc_lo_optab): New
21743	optabs.
21744	* optabs.c (expand_widen_pattern_expr): For
21745	VEC_UNPACK_FIX_TRUNC_HI_EXPR and VEC_UNPACK_FIX_TRUNC_LO_EXPR use
21746	sign from result type rather than operand's type.
21747	(expand_binop_directly): For vec_packu_float_optab and
21748	vec_packs_float_optab allow result type to be different from operand's
21749	type.
21750	* optabs-tree.c (optab_for_tree_code): Handle
21751	VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and
21752	VEC_PACK_FLOAT_EXPR.  Formatting fixes.
21753	* tree-vect-generic.c (expand_vector_operations_1):  Handle
21754	VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and
21755	VEC_PACK_FLOAT_EXPR.
21756	* tree-vect-stmts.c (supportable_widening_operation): Handle
21757	FIX_TRUNC_EXPR.
21758	(supportable_narrowing_operation): Handle FLOAT_EXPR.
21759	* config/i386/i386.md (fixprefix, floatprefix): New code attributes.
21760	* config/i386/sse.md (*float<floatunssuffix>v2div2sf2): Rename to ...
21761	(float<floatunssuffix>v2div2sf2): ... this.  Formatting fix.
21762	(vpckfloat_concat_mode, vpckfloat_temp_mode, vpckfloat_op_mode): New
21763	mode attributes.
21764	(vec_pack<floatprefix>_float_<mode>): New expander.
21765	(vunpckfixt_mode, vunpckfixt_model, vunpckfixt_extract_mode): New mode
21766	attributes.
21767	(vec_unpack_<fixprefix>fix_trunc_lo_<mode>,
21768	vec_unpack_<fixprefix>fix_trunc_hi_<mode>): New expanders.
21769	* doc/md.texi (vec_packs_float_@var{m}, vec_packu_float_@var{m},
21770	vec_unpack_sfix_trunc_hi_@var{m}, vec_unpack_sfix_trunc_lo_@var{m},
21771	vec_unpack_ufix_trunc_hi_@var{m}, vec_unpack_ufix_trunc_lo_@var{m}):
21772	Document.
21773	* doc/generic.texi (VEC_UNPACK_FLOAT_HI_EXPR,
21774	VEC_UNPACK_FLOAT_LO_EXPR): Fix pasto in description.
21775	(VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR,
21776	VEC_PACK_FLOAT_EXPR): Document.
21777
217782018-05-29  Richard Biener  <rguenther@suse.de>
21779
21780	* tree-vectorizer.h (struct vec_info): Add stmt_vec_infos
21781	member.
21782	(stmt_vec_info_vec): Make pointer.
21783	(init_stmt_vec_info_vec): Remove.
21784	(free_stmt_vec_info_vec): Likewise.
21785	(set_stmt_vec_info_vec): New function.
21786	(free_stmt_vec_infos): Likewise.
21787	(vinfo_for_stmt): Adjust for stmt_vec_info_vec indirection.
21788	(set_vinfo_for_stmt): Likewise.
21789	(get_earlier_stmt): Likewise.
21790	(get_later_stmt): Likewise.
21791	* tree-vectorizer.c (stmt_vec_info_vec): Make pointer.
21792	(vec_info::vec_info): Allocate stmt_vec_infos and set the global.
21793	(vec_info::~vec_info): Free stmt_vec_infos.
21794	(vectorize_loops): Set the global stmt_vec_info_vec to NULL.
21795	Remove old init_stmt_vec_info_vec/free_stmt_vec_info_vec calls.
21796	(pass_slp_vectorize::execute): Likewise.
21797	* tree-vect-stmts.c (init_stmt_vec_info_vec): Remove.
21798	(free_stmt_vec_info_vec): Likewise.
21799	(set_stmt_vec_info_vec): New function.
21800	(free_stmt_vec_infos): Likewise.
21801	* tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Set
21802	the global stmt_vec_info_vec.
21803	* tree-parloops.c (gather_scalar_reductions): Use
21804	set_stmt_vec_info_vec/free_stmt_vec_infos and maintain a local
21805	vector.
21806
218072018-05-29  Richard Biener  <rguenther@suse.de>
21808
21809	* dominance.c (iterate_fix_dominators): Push/pop TV_DOMINANCE.
21810
218112018-05-29  Martin Liska  <mliska@suse.cz>
21812	    David Malcolm  <dmalcolm@redhat.com>
21813
21814	* vec.c (test_reverse): New.
21815	(vec_c_tests): Add new test.
21816	* vec.h (vl_ptr>::reverse): New function.
21817
218182018-05-29  Gerald Pfeifer  <gerald@pfeifer.com>
21819
21820	* config.gcc: Identify FreeBSD 3.x and 4.x as unsupported.
21821
21822	* config/freebsd-spec.h (FBSD_LIB_SPEC): Only consider FreeBSD 5
21823	and later.
21824
218252018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21826
21827	* tree-dump.c (dump_node): Use splay_tree_delete_pointers.
21828
218292018-05-28  Richard Biener  <rguenther@suse.de>
21830
21831	PR tree-optimization/85933
21832	* tree-vect-data-refs.c (vect_record_base_alignments): Only
21833	look at stmts marked as vectorizable.
21834
218352018-05-28  Richard Biener  <rguenther@suse.de>
21836
21837	PR tree-optimization/85934
21838	* tree-vect-generic.c (expand_vector_operations_1): Hoist
21839	vector boolean check before scalar optimization.
21840
218412018-05-28  Jakub Jelinek  <jakub@redhat.com>
21842
21843	* doc/invoke.texi (ARM Options): Use @item instead of @itemx
21844	for armv5te.
21845
218462018-05-28  Mark Wielaard  <mark@klomp.org>
21847
21848	* dwarf2asm.c (dw2_asm_output_delta_uleb128): Add brackets around lab2
21849	if it is an expression containing a minus sign.
21850
218512018-05-27  John David Anglin  <danglin@gcc.gnu.org>
21852
21853	* config/pa/pa-linux.h (NEED_INDICATE_EXEC_STACK): Define to 0.
21854
218552018-05-27  Paul Koning  <ni1d@arrl.net>
21856
21857	* config/pdp11/pdp11.md (truncsihi2): Remove.
21858
218592018-05-27  Monk Chiang  <sh.chiang04@gmail.com>
21860	    Chung-Ju Wu  <jasonwucj@gmail.com>
21861
21862	* config/nds32/nds32-intrinsic.md (unaligned_storedi): Modify patterns
21863	implementation.
21864	(unaligned_store_dw): Ditto.
21865	* config/nds32/nds32-memory-manipulation.c
21866	(nds32_expand_movmemsi_loop_known_size): Refactoring implementation.
21867	(nds32_gen_dup_4_byte_to_word_value): Rename to ...
21868	(nds32_gen_dup_4_byte_to_word_value_aux): ... this.
21869	(emit_setmem_word_loop): Rename to ...
21870	(emit_setmem_doubleword_loop): ... this.
21871	(nds32_gen_dup_4_byte_to_word_value): New function.
21872	(nds32_gen_dup_8_byte_to_double_word_value): New function.
21873	(nds32_expand_setmem_loop): Refine implementation.
21874	(nds32_expand_setmem_loop_v3m): Ditto.
21875	* config/nds32/nds32-multiple.md (unaligned_store_update_base_dw): New
21876	pattern.
21877
218782018-05-27  Chung-Ju Wu  <jasonwucj@gmail.com>
21879
21880	* config/nds32/nds32.md (bswapsi2, bswaphi2): New patterns.
21881
218822018-05-27  Chung-Ju Wu  <jasonwucj@gmail.com>
21883
21884	* config/nds32/nds32.c (nds32_attribute_table): Add "no_prologue".
21885	(nds32_init_machine_status): Initialize machine->attr_naked_p and
21886	machine->attr_no_prologue_p.
21887	(nds32_compute_stack_frame): Check "naked" and "no_prologue" attributes.
21888	(nds32_naked_function_p): Handle "naked" and "no_prologue" attributes.
21889	(nds32_expand_epilogue): Consider attr_naked_p.
21890	(nds32_expand_epilogue_v3pop): Likewise.
21891	(nds32_can_use_return_insn): Likewise.
21892	* config/nds32/nds32.h (machine_function): Add attr_naked_p and
21893	attr_no_prologue_p fields.
21894	* config/nds32/nds32.opt (mret-in-naked-func): New option.
21895
218962018-05-27  Jakub Jelinek  <jakub@redhat.com>
21897
21898	PR target/85918
21899	* config/i386/i386.md (fixunssuffix, floatunssuffix): New code
21900	attributes.
21901	* config/i386/sse.md
21902	(<floatsuffix>float<sseintvecmodelower><mode>2<mask_name><round_name>):
21903	Rename to ...
21904	(float<floatunssuffix><sseintvecmodelower><mode>2<mask_name><round_name>):
21905	... this.
21906	(<floatsuffix>float<sselongvecmodelower><mode>2<mask_name><round_name>):
21907	Rename to ...
21908	(float<floatunssuffix><sselongvecmodelower><mode>2<mask_name><round_name>):
21909	... this.
21910	(*<floatsuffix>floatv2div2sf2): Rename to ...
21911	(*float<floatunssuffix>v2div2sf2): ... this.
21912	(<floatsuffix>floatv2div2sf2_mask): Rename to ...
21913	(float<floatunssuffix>v2div2sf2_mask): ... this.
21914	(*<floatsuffix>floatv2div2sf2_mask_1): Rename to ...
21915	(*float<floatunssuffix>v2div2sf2_mask_1): ... this.
21916	(<fixsuffix>fix_truncv8dfv8si2<mask_name><round_saeonly_name>): Rename
21917	to ...
21918	(fix<fixunssuffix>_truncv8dfv8si2<mask_name><round_saeonly_name>):
21919	... this.
21920	(<fixsuffix>fix_trunc<mode><sseintvecmodelower>2<mask_name><round_saeonly_name>):
21921	Rename to ...
21922	(fix<fixunssuffix>_trunc<mode><sseintvecmodelower>2<mask_name><round_saeonly_name>):
21923	... this.
21924	(<fixsuffix>fix_trunc<mode><sselongvecmodelower>2<mask_name><round_saeonly_name>):
21925	Rename to ...
21926	(fix<fixunssuffix>_trunc<mode><sselongvecmodelower>2<mask_name><round_saeonly_name>):
21927	... this.
21928	(<fixsuffix>fix_truncv2sfv2di2<mask_name>): Rename to ...
21929	(fix<fixunssuffix>_truncv2sfv2di2<mask_name>): ... this.
21930	(vec_pack_ufix_trunc_<mode>): Use gen_fixuns_truncv8dfv8si2 instead of
21931	gen_ufix_truncv8dfv8si2.
21932	* config/i386/i386-builtin.def (__builtin_ia32_cvttpd2uqq256_mask,
21933	__builtin_ia32_cvttpd2uqq128_mask, __builtin_ia32_cvttps2uqq256_mask,
21934	__builtin_ia32_cvttps2uqq128_mask, __builtin_ia32_cvtuqq2ps256_mask,
21935	__builtin_ia32_cvtuqq2ps128_mask, __builtin_ia32_cvtuqq2pd256_mask,
21936	__builtin_ia32_cvtuqq2pd128_mask, __builtin_ia32_cvttpd2udq512_mask,
21937	__builtin_ia32_cvtuqq2ps512_mask, __builtin_ia32_cvtuqq2pd512_mask,
21938	__builtin_ia32_cvttps2uqq512_mask, __builtin_ia32_cvttpd2uqq512_mask):
21939	Use fixuns instead ufix or floatuns instead ufloat in CODE_FOR_ names.
21940
219412018-05-24  H.J. Lu  <hongjiu.lu@intel.com>
21942
21943	PR target/85900
21944	PR target/85345
21945	* varasm.c (assemble_alias): Lookup ifunc attribute on error.
21946
219472018-05-25  Jim Wilson  <jimw@sifive.com>
21948
21949	* config/riscv/riscv-protos.h (riscv_epilogue_uses): New.
21950	* config/riscv/riscv.c (struct machine_function): Add
21951	interrupt_handler_p and attribute_checked_p fields.
21952	(riscv_attribute_table): Add interrupt.
21953	(riscv_interrupt_type_p): New.
21954	(riscv_save_reg_p): Save extra regs for interrupt handler.
21955	(riscv_use_save_libcall): Return false  for interrupt handler.
21956	(riscv_first_stack_step): Add forward declaration.
21957	(riscv_compute_frame_info): New local interrupt_save_t1.  Set it
21958	for interrupt handler with large frame.  Use it for saved reg list.
21959	(riscv_expand_prologue): Move flag_stack_usage_info support to
21960	eliminate duplication.
21961	(riscv_expand_epilogue): Generate mret for interrupt handler.
21962	(riscv_epilogue_uses): New.
21963	(riscv_can_use_return_insn): Return false for interrupt handler.
21964	(riscv_function_ok_for_sibcall): Likewise.
21965	(riscv_set_current_function): Add interrupt handler support.
21966	* config/riscv/riscv.h (EPILOGUE_USES): Call riscv_epilogue_uses.
21967	* config/riscv/riscv.md (UNSPECV_MRET): New.
21968	(GP_REGNUM): New.
21969	(riscv_frflags, riscv_fsflags): Use tab after opcode.
21970	(riscv_mret): New.
21971	* doc/extend.texi (RISC-V Function Attributes) <interrupt>: New.
21972
219732018-05-25  Bill Schmidt  <wschmidt@linux.ibm.com>
21974
21975	PR tree-optimization/85712
21976	* gimple-ssa-strength-reduction.c (replace_one_candidate): Skip if
21977	this candidate has already been replaced in-situ by a copy.
21978
219792018-05-25  Jason Merrill  <jason@redhat.com>
21980
21981	PR c++/80485 - inline function non-zero address.
21982	* symtab.c (nonzero_address): Check DECL_COMDAT.
21983
219842018-05-25  Uros Bizjak  <ubizjak@gmail.com>
21985
21986	PR target/83628
21987	* config/alpha/alpha.md (ashlsi3): New insn pattern.
21988	(*ashlsi_se): Rename from *ashldi_se.  Define as sign
21989	extension of SImode operation.  Use const123_operand predicate.
21990	(*saddsi_1): Remove.
21991	(*saddl_se_1): Ditto.
21992	(*ssubsi_1): Ditto.
21993	(*ssubl_se_1): Ditto.
21994	* config/alpha/predicates.md (const123_operand): New predicate.
21995	* config/alpha/constraints.md (P): Use IN_RANGE.
21996
219972018-05-25  Richard Biener  <rguenther@suse.de>
21998
21999	* tree-ssa-alias.h (refs_may_alias_p): Add tbaa_p bool parameter,
22000	defaulted to true.
22001	(ref_maybe_used_by_stmt_p): Likewise.
22002	(stmt_may_clobber_ref_p): Likewise.
22003	(stmt_may_clobber_ref_p_1): Likewise.
22004	* tree-ssa-alias.c (refs_may_alias_p): Add tbaa_p bool parameter
22005	and pass it along.
22006	(ref_maybe_used_by_stmt_p): Likewise.
22007	(stmt_may_clobber_ref_p): Likewise.
22008	(stmt_may_clobber_ref_p_1): Likewise.
22009	* tree-vect-data-refs.c (vect_slp_analyze_node_dependences): Use
22010	the alias oracle to disambiguate DRs with stmts DR analysis
22011	couldn't handle.
22012	(vect_analyze_data_refs): Do not give up on not analyzable
22013	DRs for BB vectorization.  Remove code truncating the dataref
22014	vector.
22015
220162018-05-25  Jakub Jelinek  <jakub@redhat.com>
22017
22018	PR target/85832
22019	* config/i386/sse.md (<avx512>_eq<mode>3<mask_scalar_merge_name>_1):
22020	Add (=Yk,v,C) variant using vptestm insn.  Use TARGET_AVX512BW
22021	in test instead of TARGET_AVX512F for VI12_AVX512VL iterator.
22022
220232018-05-25  Richard Biener  <rguenther@suse.de>
22024
22025	* tree-vect-data-refs.c (vect_find_stmt_data_reference): New
22026	function, combining stmt data ref gathering and fatal analysis
22027	parts.
22028	(vect_analyze_data_refs): Remove now redudnant code and simplify.
22029	* tree-vect-loop.c (vect_get_datarefs_in_loop): Factor out from
22030	vect_analyze_loop_2 and use vect_find_stmt_data_reference.
22031	* tree-vect-slp.c (vect_slp_bb): Use vect_find_stmt_data_reference.
22032	* tree-vectorizer.h (vect_find_stmt_data_reference): Declare.
22033
220342018-05-25  Bin Cheng  <bin.cheng@arm.com>
22035
22036	PR tree-optimization/85720
22037	* tree-loop-distribution.c (break_alias_scc_partitions): Don't merge
22038	SCC if all partitions are builtins.
22039	(version_loop_by_alias_check): New parameter.  Generate cancelable
22040	runtime alias check if all partitions are builtins.
22041	(distribute_loop): Update call to above function.
22042
220432018-05-25  Bin Cheng  <bin.cheng@arm.com>
22044
22045	* tree-outof-ssa.c (tree-ssa.h, tree-dfa.h): Include header files.
22046	(create_default_def, for_all_parms): Moved from tree-ssa-coalesce.c.
22047	(parm_default_def_partition_arg): Ditto.
22048	(set_parm_default_def_partition): Ditto.
22049	(get_parm_default_def_partitions): Ditto and make it static.
22050	(get_undefined_value_partitions): Ditto and make it static.
22051	(remove_ssa_form): Refactor call to init_var_map here.
22052	* tree-ssa-coalesce.c (build_ssa_conflict_graph): Support live range
22053	computation for loop region.
22054	(coalesce_partitions, compute_optimized_partition_bases): Ditto.
22055	(register_default_def): Delete.
22056	(for_all_parms, create_default_def): Move to tree-outof-ssa.c.
22057	(parm_default_def_partition_arg): Ditto.
22058	(set_parm_default_def_partition): Ditto.
22059	(get_parm_default_def_partitions): Ditto and make it static.
22060	(get_undefined_value_partitions): Ditto and make it static.
22061	(coalesce_with_default, coalesce_with_default): Update comment.
22062	(create_coalesce_list_for_region): New func factored out from
22063	create_outofssa_var_map.
22064	(populate_coalesce_list_for_outofssa): New func factored out from
22065	create_outofssa_var_map and coalesce_ssa_name.
22066	(create_outofssa_var_map): Delete.
22067	(coalesce_ssa_name): Refactor to support live range computation.
22068	* tree-ssa-coalesce.h (coalesce_ssa_name): Change decl.
22069	(get_parm_default_def_partitions): Delete.
22070	(get_undefined_value_partitions): Ditto.
22071	* tree-ssa-live.c (init_var_map, delete_var_map): Support live range
22072	computation for loop region.
22073	(new_tree_live_info, loe_visit_block): Ditto.
22074	(live_worklist, set_var_live_on_entry): Ditto.
22075	(calculate_live_on_exit, verify_live_on_entry): Ditto.
22076	* tree-ssa-live.h (struct _var_map): New fields.
22077	(init_var_map): Change decl.
22078	(region_contains_p): New.
22079
220802018-05-25  Bin Cheng  <bin.cheng@arm.com>
22081
22082	* tree-ssa-live.h (live_merge_and_clear): Delete.
22083
220842018-05-25  Richard Biener  <rguenther@suse.de>
22085
22086	PR c++/85912
22087	* tree-dump.c (dequeue_and_dump): Remove access to removed
22088	operand 2 of a SWITCH_EXPR.
22089
220902018-05-25  Richard Sandiford  <richard.sandiford@linaro.org>
22091
22092	* doc/sourcebuild.texi (vect_double_cond_arith): Include
22093	multiplication and division.
22094	* doc/md.texi (cond_mul@var{m}, cond_div@var{m}, cond_mod@var{m})
22095	(cond_udiv@var{m}, cond_umod@var{m}): Document.
22096	* optabs.def (cond_smul_optab, cond_sdiv_optab, cond_smod_optab)
22097	(cond_udiv_optab, cond_umod_optab): New optabs.
22098	* internal-fn.def (IFN_COND_MUL, IFN_COND_DIV, IFN_COND_MOD)
22099	(IFN_COND_RDIV): New internal functions.
22100	* internal-fn.c (get_conditional_internal_fn): Handle TRUNC_DIV_EXPR,
22101	TRUNC_MOD_EXPR and RDIV_EXPR.
22102	* match.pd (UNCOND_BINARY, COND_BINARY): Handle them.
22103	* config/aarch64/iterators.md (UNSPEC_COND_MUL, UNSPEC_COND_DIV):
22104	New unspecs.
22105	(SVE_INT_BINARY): Include mult.
22106	(SVE_COND_FP_BINARY): Include UNSPEC_MUL and UNSPEC_DIV.
22107	(optab, sve_int_op): Handle mult.
22108	(optab, sve_fp_op, commutative): Handle UNSPEC_COND_MUL and
22109	UNSPEC_COND_DIV.
22110	* config/aarch64/aarch64-sve.md (cond_<optab><mode>): New pattern
22111	for SVE_INT_BINARY_SD.
22112
221132018-05-25  Richard Sandiford  <richard.sandiford@linaro.org>
22114
22115	* config/aarch64/iterators.md (SVE_INT_BINARY_SD): New code iterator.
22116	(optab, sve_int_op): Handle div and udiv.
22117	* config/aarch64/aarch64-sve.md (<optab><mode>3): New expander
22118	for SVE_INT_BINARY_SD.
22119	(*<optab><mode>3): New insn for the same.
22120
221212018-05-25  Richard Sandiford  <richard.sandiford@linaro.org>
22122
22123	* tree-vect-patterns.c: Include predict.h.
22124	(vect_recog_divmod_pattern): Restrict check for division support
22125	to when optimizing for size.
22126
221272018-05-25  Richard Sandiford  <richard.sandiford@linaro.org>
22128
22129	* doc/sourcebuild.texi (vect_double_cond_arith: Document.
22130	* gimple-match.h (gimple_match_op::MAX_NUM_OPS): Bump to 4.
22131	(gimple_match_op::gimple_match_op): Add an overload for 4 operands.
22132	(gimple_match_op::set_op): Likewise.
22133	(gimple_resimplify4): Declare.
22134	* genmatch.c (get_operand_type): Handle CFN_COND_* functions.
22135	(expr::gen_transform): Likewise.
22136	(decision_tree::gen): Generate a simplification routine for 4 operands.
22137	* gimple-match-head.c (gimple_simplify): Add an overload for
22138	4 operands.  In the top-level function, handle up to 4 call
22139	arguments and call gimple_resimplify4.
22140	(gimple_resimplify4): New function.
22141	(build_call_internal): Pass a fourth operand.
22142	(maybe_push_to_seq): Likewise.
22143	* match.pd (UNCOND_BINARY, COND_BINARY): New operator lists.
22144	Fold VEC_COND_EXPRs of an operation and a default value into
22145	an IFN_COND_* function if possible.
22146	* config/aarch64/iterators.md (UNSPEC_COND_MAX, UNSPEC_COND_MIN):
22147	New unspecs.
22148	(SVE_COND_FP_BINARY): Include them.
22149	(optab, sve_fp_op): Handle them.
22150	(SVE_INT_BINARY_REV): New code iterator.
22151	(SVE_COND_FP_BINARY_REV): New int iterator.
22152	(commutative): New int attribute.
22153	* config/aarch64/aarch64-protos.h (aarch64_sve_prepare_conditional_op):
22154	Declare.
22155	* config/aarch64/aarch64.c (aarch64_sve_prepare_conditional_op): New
22156	function.
22157	* config/aarch64/aarch64-sve.md (cond_<optab><mode>): Use it.
22158	(*cond_<optab><mode>): New patterns for reversed operands.
22159
221602018-05-25  Richard Biener  <rguenther@suse.de>
22161
22162	* tree-vectorizer.h (STMT_VINFO_GROUP_*, GROUP_*): Remove.
22163	(DR_GROUP_*): New, assert we have non-NULL ->data_ref_info.
22164	(REDUC_GROUP_*): New, assert we have NULL ->data_ref_info.
22165	(STMT_VINFO_GROUPED_ACCESS): Adjust.
22166	* tree-vect-data-refs.c (everywhere): Adjust users.
22167	* tree-vect-loop.c (everywhere): Likewise.
22168	* tree-vect-slp.c (everywhere): Likewise.
22169	* tree-vect-stmts.c (everywhere): Likewise.
22170	* tree-vect-patterns.c (vect_reassociating_reduction_p): Likewise.
22171
221722018-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22173
22174	* configure.ac (gcc_cv_as_section_has_e): Move to common section.
22175	Rename to...
22176	(gcc_cv_as_section_exclude): ... this.
22177	Try Solaris as #exclude syntax.
22178	* configure: Regenerate.
22179	* config.in: Regenerate.
22180	* config/i386/i386.c (i386_solaris_elf_named_section): Handle
22181	SECTION_EXCLUDE.
22182	* config/sparc/sparc.c (sparc_solaris_elf_asm_named_section)
22183	[HAVE_GAS_SECTION_EXCLUDE]: Handle SECTION_EXCLUDE.
22184
22185	* varasm.c (default_elf_asm_named_section): Don't check if
22186	HAVE_GAS_SECTION_EXCLUDE is defined.
22187
221882018-05-25  Richard Sandiford  <richard.sandiford@linaro.org>
22189
22190	* doc/md.texi: Update the documentation of the cond_* optabs
22191	to mention the new final operand.  Fix GET_MODE_NUNITS call.
22192	Describe the scalar case too.
22193	* internal-fn.def (IFN_EXTRACT_LAST): Change type to fold_left.
22194	* internal-fn.c (expand_cond_unary_optab_fn): Expect 3 operands
22195	instead of 2.
22196	(expand_cond_binary_optab_fn): Expect 4 operands instead of 3.
22197	(get_conditional_internal_fn): Update comment.
22198	* tree-vect-loop.c (vectorizable_reduction): Pass the original
22199	accumulator value as a final argument to conditional functions.
22200	* config/aarch64/aarch64-sve.md (cond_<optab><mode>): Turn into
22201	a define_expand and add an "else" operand.  Assert for now that
22202	the else operand is equal to operand 2.  Use SVE_INT_BINARY and
22203	SVE_COND_FP_BINARY instead of SVE_COND_INT_OP and SVE_COND_FP_OP.
22204	(*cond_<optab><mode>): New patterns.
22205	* config/aarch64/iterators.md (UNSPEC_COND_SMAX, UNSPEC_COND_UMAX)
22206	(UNSPEC_COND_SMIN, UNSPEC_COND_UMIN, UNSPEC_COND_AND, UNSPEC_COND_ORR)
22207	(UNSPEC_COND_EOR): Delete.
22208	(optab): Remove associated mappings.
22209	(SVE_INT_BINARY): New code iterator.
22210	(sve_int_op): Remove int attribute and add "minus" to the code
22211	attribute.
22212	(SVE_COND_INT_OP): Delete.
22213	(SVE_COND_FP_OP): Rename to...
22214	(SVE_COND_FP_BINARY): ...this.
22215
222162018-05-25  Richard Sandiford  <richard.sandiford@linaro.org>
22217
22218	* optabs.c (can_reuse_operands_p): New function.
22219	(maybe_legitimize_operands): Try to reuse the results for
22220	earlier operands.
22221
222222018-05-24  Uros Bizjak  <ubizjak@gmail.com>
22223
22224	* config/i386/sse.md (cvtusi2<ssescalarmodesuffix>64<round_name>):
22225	Add {q} suffix to insn mnemonic.
22226
222272018-05-23  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
22228
22229	* config/msp430/msp430.c (TARGET_WARN_FUNC_RETURN): Define.
22230	(msp430_warn_func_return): New.
22231
222322018-05-24  Roger Sayle  <roger@nextmovesoftware.com>
22233
22234	* fold-const.c (tree_nonzero_bits): New function.
22235	* fold-const.h (tree_nonzero_bits): Likewise.
22236	* match.pd (POPCOUNT): New patterns to fold BUILTIN_POPCOUNT and
22237	friends.  POPCOUNT(x&1) => x&1, POPCOUNT(x)==0 => x==0, etc.
22238
222392018-05-24  H.J. Lu  <hongjiu.lu@intel.com>
22240
22241	PR target/85900
22242	PR target/85345
22243	* varasm.c (assemble_alias): Check ifunc_resolver only on
22244	FUNCTION_DECL.
22245
222462018-05-24  Uros Bizjak  <ubizjak@gmail.com>
22247
22248	PR target/85903
22249	* config/i386/sse.md (movdi_to_sse): Do not generate pseudo
22250	when memory input operand is handled.
22251
222522018-05-24  Luis Machado  <luis.machado@linaro.org>
22253
22254	* config/aarch64/aarch64.c (qdf24xx_addrcost_table): New static
22255	global.
22256	(qdf24xx_tunings) <addr_costs>: Set to qdf24xx_addrcost_table.
22257
222582018-05-24  Richard Sandiford  <richard.sandiford@linaro.org>
22259
22260	* match.pd: Delay FMA folds until after vectorization.
22261
222622018-05-24  Andre Vieira  <andre.simoesdiasvieira@arm.com>
22263
22264	PR target/83009
22265	* config/aarch64/predicates.md (aarch64_mem_pair_lanes_operand): Make
22266	address check not strict.
22267
222682018-05-24  Richard Sandiford  <richard.sandiford@linaro.org>
22269
22270	* gimple-match.h (gimple_match_op): New class.
22271	(mprts_hook): Replace parameters with a gimple_match_op *.
22272	(maybe_build_generic_op): Likewise.
22273	(gimple_simplified_result_is_gimple_val): Replace parameters with
22274	a const gimple_match_op *.
22275	(gimple_simplify): Replace code_helper * and tree * parameters with
22276	a gimple_match_op * parameter.
22277	(gimple_resimplify1): Replace code_helper *, tree and tree *
22278	parameters with a gimple_match_op * parameter.
22279	(gimple_resimplify2): Likewise.
22280	(gimple_resimplify3): Likewise.
22281	(maybe_push_res_to_seq): Replace code_helper, tree and tree *
22282	parameters with a gimple_match_op * parameter.
22283	* gimple-match-head.c (gimple_simplify): Change prototypes of
22284	auto-generated functions to take a gimple_match_op * instead of
22285	separate code_helper * and tree * parameters.  Make the same
22286	change in the top-level overload and update calls to the
22287	gimple_resimplify routines.  Update calls to the auto-generated
22288	functions and to maybe_push_res_to_seq in the publicly-facing
22289	operation-specific gimple_simplify overloads.
22290	(gimple_match_op::MAX_NUM_OPS): Define.
22291	(gimple_resimplify1): Replace rcode and ops with a single res_op
22292	parameter.  Update call to gimple_simplify.
22293	(gimple_resimplify2): Likewise.
22294	(gimple_resimplify3): Likewise.
22295	(mprts_hook): Replace parameters with a gimple_match_op *.
22296	(maybe_build_generic_op): Likewise.
22297	(build_call_internal): Replace type, nargs and ops with
22298	a gimple_match_op *.
22299	(maybe_push_res_to_seq): Replace res_code, type and ops parameters
22300	with a single gimple_match_op *.  Update calls to mprts_hook,
22301	build_call_internal and gimple_simplified_result_is_gimple_val.
22302	Factor out code that is common to the tree_code and combined_fn cases.
22303	* genmatch.c (expr::gen_transform): Replace tem_code and
22304	tem_ops with a gimple_match_op called tem_op.  Update calls
22305	to the gimple_resimplify functions and maybe_push_res_to_seq.
22306	(dt_simplify::gen_1): Manipulate res_op instead of res_code and
22307	res_ops.  Update call to the gimple_resimplify functions.
22308	(dt_simplify::gen): Pass res_op instead of res_code and res_ops.
22309	(decision_tree::gen): Make the functions take a gimple_match_op *
22310	called res_op instead of separate res_code and res_ops parameters.
22311	Update call accordingly.
22312	* gimple-fold.c (replace_stmt_with_simplification): Replace rcode
22313	and ops with a single res_op parameter.  Update calls to
22314	maybe_build_generic_op and maybe_push_res_to_seq.
22315	(fold_stmt_1): Update calls to gimple_simplify and
22316	replace_stmt_with_simplification.
22317	(gimple_fold_stmt_to_constant_1): Update calls to gimple_simplify
22318	and gimple_simplified_result_is_gimple_val.
22319	* tree-cfgcleanup.c (cleanup_control_expr_graph): Update call to
22320	gimple_simplify.
22321	* tree-ssa-sccvn.c (vn_lookup_simplify_result): Replace parameters
22322	with a gimple_match_op *.
22323	(vn_nary_build_or_lookup): Likewise.  Update call to
22324	vn_nary_build_or_lookup_1.
22325	(vn_nary_build_or_lookup_1): Replace rcode, type and ops with a
22326	gimple_match_op *.  Update calls to the gimple_resimplify routines
22327	and to gimple_simplified_result_is_gimple_val.
22328	(vn_nary_simplify): Update call to vn_nary_build_or_lookup_1.
22329	Use gimple_match_op::MAX_NUM_OPS instead of a hard-coded 3.
22330	(vn_reference_lookup_3): Update call to vn_nary_build_or_lookup.
22331	(visit_nary_op): Likewise.
22332	(visit_reference_op_load): Likewise.
22333
223342018-05-23  Luis Machado  <luis.machado@linaro.org>
22335
22336	* tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Use correct type
22337	modifier for printing the step amount.
22338
223392018-05-23  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
22340
22341	PR target/78849
22342	* tree.c (build_common_tree_nodes): Dont set TYPE_SIZE for __intN
22343	types.
22344
223452018-05-23  Segher Boessenkool  <segher@kernel.crashing.org>
22346
22347	* doc/sourcebuild.texi (Endianness): New subsubsection.
22348
223492018-05-23  Luis Machado  <luis.machado@linaro.org>
22350
22351	* config/aarch64/aarch64-protos.h (cpu_prefetch_tune)
22352	<prefetch_dynamic_strides>: New const bool field.
22353	* config/aarch64/aarch64.c (generic_prefetch_tune): Update to include
22354	prefetch_dynamic_strides.
22355	(exynosm1_prefetch_tune): Likewise.
22356	(thunderxt88_prefetch_tune): Likewise.
22357	(thunderx_prefetch_tune): Likewise.
22358	(thunderx2t99_prefetch_tune): Likewise.
22359	(qdf24xx_prefetch_tune): Likewise. Set prefetch_dynamic_strides to
22360	false.
22361	(aarch64_override_options_internal): Update to set
22362	PARAM_PREFETCH_DYNAMIC_STRIDES.
22363	* doc/invoke.texi (prefetch-dynamic-strides): Document new option.
22364	* params.def (PARAM_PREFETCH_DYNAMIC_STRIDES): New.
22365	* params.h (PARAM_PREFETCH_DYNAMIC_STRIDES): Define.
22366	* tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Account for
22367	prefetch-dynamic-strides setting.
22368
223692018-05-23  Luis Machado  <luis.machado@linaro.org>
22370
22371	* config/aarch64/aarch64-protos.h (cpu_prefetch_tune)
22372	<minimum_stride>: New const int field.
22373	* config/aarch64/aarch64.c (generic_prefetch_tune): Update to include
22374	minimum_stride field defaulting to -1.
22375	(exynosm1_prefetch_tune): Likewise.
22376	(thunderxt88_prefetch_tune): Likewise.
22377	(thunderx_prefetch_tune): Likewise.
22378	(thunderx2t99_prefetch_tune): Likewise.
22379	(qdf24xx_prefetch_tune) <minimum_stride>: Set to 2048.
22380	<default_opt_level>: Set to 3.
22381	(aarch64_override_options_internal): Update to set
22382	PARAM_PREFETCH_MINIMUM_STRIDE.
22383	* doc/invoke.texi (prefetch-minimum-stride): Document new option.
22384	* params.def (PARAM_PREFETCH_MINIMUM_STRIDE): New.
22385	* params.h (PARAM_PREFETCH_MINIMUM_STRIDE): Define.
22386	* tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Return false if
22387	stride is constant and is below the minimum stride threshold.
22388
223892018-05-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22390
22391	* config/arm/arm-cpus.in (mode26): Delete.
22392	(armv4): Delete mode26 reference.
22393	* config/arm/arm.c (arm_configure_build_target): Delete use of
22394	isa_bit_mode26.
22395
223962018-05-23  Uros Bizjak  <ubizjak@gmail.com>
22397
22398	* config/i386/i386.md (*floatuns<SWI48:mode><MODEF:mode>2_avx512):
22399	New insn pattern.
22400	(floatunssi<mode>2): Also enable for AVX512F and TARGET_SSE_MATH.
22401	Rewrite expander pattern.  Emit gen_floatunssi<mode>2_i387_with_xmm
22402	for non-SSE modes.
22403	(floatunsdisf2): Rewrite expander pattern.  Hanlde TARGET_AVX512F.
22404	(floatunsdidf2): Ditto.
22405
224062018-05-23  Uros Bizjak  <ubizjak@gmail.com>
22407
22408	* config/i386/i386.md (fixuns_trunc<mode>di2): New insn pattern.
22409	(fixuns_trunc<mode>si2_avx512f): Ditto.
22410	(*fixuns_trunc<mode>si2_avx512f_zext): Ditto.
22411	(fixuns_trunc<mode>si2): Also enable for AVX512F and TARGET_SSE_MATH.
22412	Emit fixuns_trunc<mode>si2_avx512f for AVX512F targets.
22413
224142018-05-23  Alexander Monakov  <amonakov@ispras.ru>
22415
22416	PR rtl-optimization/79985
22417	* df-scan.c (df_insn_refs_collect): Remove special case for
22418	global registers and asm statements.
22419
224202018-05-23  Alexander Monakov  <amonakov@ispras.ru>
22421
22422	* extend.texi (Global Register Variables): Rewrite the bullet list.
22423	Note that the register is available for allocation. Note that access
22424	via inline asm must use constraints. Add note about async-signal
22425	handlers. Remove paragraph about automagic register selection.
22426
224272018-05-23  Richard Biener  <rguenther@suse.de>
22428
22429	* tree-ssa-sccvn.c (vn_reference_lookup_3): Remove restriction
22430	of fixed offset from memset VN.
22431
224322018-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
22433
22434	* gimple-ssa-strength-reduction.c (struct slsr_cand_d): Add
22435	first_interp field.
22436	(alloc_cand_and_find_basis): Initialize first_interp field.
22437	(slsr_process_mul): Modify first_interp field.
22438	(slsr_process_add): Likewise.
22439	(slsr_process_cast): Modify first_interp field for each new
22440	interpretation.
22441	(slsr_process_copy): Likewise.
22442	(dump_candidate): Dump first_interp field.
22443	(replace_mult_candidate): Process all interpretations, not just
22444	subsequent ones.
22445	(replace_rhs_if_not_dup): Likewise.
22446	(replace_one_candidate): Likewise.
22447
224482018-05-23  Wilco Dijkstra  <wdijkstr@arm.com>
22449
22450	* config/aarch64/aarch64.c (aarch64_use_frame_pointer):
22451	Add new boolean.
22452	(aarch64_needs_frame_chain): New function.
22453	(aarch64_parse_override_string): Set aarch64_use_frame_pointer.
22454
224552018-05-23  Sudakshina Das  <sudi.das@arm.com>
22456
22457	PR target/84882
22458	* common/config/aarch64/aarch64-common.c (aarch64_handle_option):
22459	Check val before adding MASK_STRICT_ALIGN to opts->x_target_flags.
22460	* config/aarch64/aarch64.opt (mstrict-align): Remove RejectNegative.
22461	* config/aarch64/aarch64.c (aarch64_attributes): Mark allow_neg
22462	as true for strict-align.
22463	(aarch64_can_inline_p): Perform checks even when callee has no
22464	attributes to check for strict alignment.
22465	* doc/extend.texi (AArch64 Function Attributes): Document
22466	no-strict-align.
22467	* doc/invoke.texi: (AArch64 Options): Likewise.
22468
224692018-05-23  Richard Sandiford  <richard.sandiford@linaro.org>
22470
22471	PR tree-optimization/85853
22472	* tree-vect-slp.c (vect_slp_analyze_node_operations): Split out
22473	the handling of the root of the node to...
22474	(vect_slp_analyze_node_operations_1): ...this new function,
22475	and run the whole thing with the child nodes' def types
22476	set according to their SLP node's def type.
22477
224782018-05-23  Richard Biener  <rguenther@suse.de>
22479
22480	PR middle-end/85874
22481	* tree-data-ref.c (create_runtime_alias_checks): Defer
22482	and ignore overflow warnings.
22483
224842018-05-23  Yury Gribov  <tetra2005@gmail.com>
22485
22486	PR tree-optimization/85822
22487	* tree-vrp.c (is_masked_range_test): Fix handling of negative
22488	constants.
22489
224902018-05-23  Richard Biener  <rguenther@suse.de>
22491
22492	* tree-ssa-sccvn.c (vn_reference_lookup_3): Handle arbitrary
22493	memset constants via native_interpret_expr.
22494
224952018-05-22  H.J. Lu  <hongjiu.lu@intel.com>
22496
22497	PR target/85345
22498	* cgraph.h (cgraph_node::create): Set ifunc_resolver for ifunc
22499	attribute.
22500	(cgraph_node::create_alias): Likewise.
22501	(cgraph_node::get_availability): Check ifunc_resolver instead
22502	of looking up ifunc attribute.
22503	* cgraphunit.c (maybe_diag_incompatible_alias): Likewise.
22504	* varasm.c (do_assemble_alias): Likewise.
22505	(assemble_alias): Likewise.
22506	(default_binds_local_p_3): Likewise.
22507	* cgraph.h (cgraph_node): Add ifunc_resolver.
22508	(cgraph_node::only_called_directly_or_aliased_p): Return false
22509	for IFUNC resolver.
22510	* lto-cgraph.c (input_node): Set ifunc_resolver for ifunc
22511	attribute.
22512	* symtab.c (symtab_node::verify_base): Verify that ifunc_resolver
22513	is equivalent to lookup_attribute ("ifunc", DECL_ATTRIBUTES (decl)).
22514	(symtab_node::binds_to_current_def_p): Check ifunc_resolver
22515	instead of looking up ifunc attribute.
22516
225172018-05-22  Luis Machado  <luis.machado@linaro.org>
22518
22519	* config/aarch64/aarch64.md (*ashift<mode>_extv_bfiz): New pattern.
22520
225212018-05-22  Martin Sebor  <msebor@redhat.com>
22522
22523	PR middle-end/85359
22524	* builtins.c (expand_builtin_strcpy): Call maybe_warn_nonstring_arg
22525	only when expasion succeeds.
22526	(expand_builtin_strcmp): Same.
22527	(expand_builtin_strncmp): Same.
22528
225292018-05-22  Martin Sebor  <msebor@redhat.com>
22530
22531	* calls.c (maybe_warn_nonstring_arg): Fix a typo in a comment.
22532
225332018-05-22  Jackson Woodruff  <jackson.woodruff@arm.com>
22534	    Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22535
22536	* config/aarch64/aarch64-ldpstp.md: Replace uses of
22537	aarch64_mem_pair_operand with memory_operand and delete operand swapping
22538	code.
22539	* config/aarch64/aarch64.c (aarch64_operands_ok_for_ldpstp):
22540	Add check for legitimate_address.
22541	(aarch64_gen_adjusted_ldpstp): Swap operands where appropriate.
22542	(aarch64_swap_ldrstr_operands): New.
22543	* config/aarch64/aarch64-protos.h (aarch64_swap_ldrstr_operands):
22544	Define prototype.
22545
225462018-05-22  Jackson Woodruff  <jackson.woodruff@arm.com>
22547	    Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22548
22549	* config/aarch64/aarch64.md: New patterns to generate stp
22550	and ldp.
22551	(store_pair_sw, store_pair_dw): New patterns to generate stp for
22552	single words and double words.
22553	(load_pair_sw, load_pair_dw): Likewise.
22554	(store_pair_sf, store_pair_df, store_pair_si, store_pair_di):
22555	Delete.
22556	(load_pair_sf, load_pair_df, load_pair_si, load_pair_di):
22557	Delete.
22558	* config/aarch64/aarch64-ldpstp.md: Modify peephole
22559	for different mode ldpstp and add peephole for merged zero stores.
22560	Likewise for loads.
22561	* config/aarch64/aarch64.c (aarch64_operands_ok_for_ldpstp):
22562	Add size check.
22563	(aarch64_gen_store_pair): Rename calls to match new patterns.
22564	(aarch64_gen_load_pair): Rename calls to match new patterns.
22565	* config/aarch64/aarch64-simd.md (load_pair<mode>): Rename to...
22566	(load_pair<DREG:mode><DREG2:mode>): ... This.
22567	(store_pair<mode>): Rename to...
22568	(vec_store_pair<DREG:mode><DREG2:mode>): ... This.
22569	* config/aarch64/iterators.md (DREG, DREG2, DX2, SX, SX2, DSX):
22570	New mode iterators.
22571	(V_INT_EQUIV): Handle SImode.
22572	* config/aarch64/predicates.md (aarch64_reg_zero_or_fp_zero):
22573	New predicate.
22574
225752018-05-22  Martin Sebor  <msebor@redhat.com>
22576
22577	PR c/85623
22578	* calls.c (maybe_warn_nonstring_arg): Use string length to set
22579	or ajust the presumed bound on an operation to avoid unnecessary
22580	warnings.
22581
225822018-05-22  Martin Sebor  <msebor@redhat.com>
22583
22584	PR tree-optimization/85826
22585	* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Avoid
22586	assuming that a DECL necesarily has a constant size.
22587
225882018-05-22  Richard Sandiford  <richard.sandiford@linaro.org>
22589
22590	PR middle-end/85862
22591	* internal-fn.c (expand_direct_optab_fn): Cope with a null lhs.
22592
225932018-05-22  Richard Biener  <rguenther@suse.de>
22594
22595	PR tree-optimization/85834
22596	* tree-ssa-sccvn.c (vn_reference_lookup_3): Properly handle
22597	non-constant and non-zero memset arguments.
22598
225992018-05-22  Martin Liska  <mliska@suse.cz>
22600
22601	PR ipa/85607
22602	* ipa-icf.c (sem_item::add_type): Do not ICE for incomplete types.
22603
226042018-05-22  Richard Biener  <rguenther@suse.de>
22605
22606	PR tree-optimization/85863
22607	* tree-vect-stmts.c (vect_is_simple_cond): Only widen invariant
22608	comparisons when vectype is specified.
22609	(vectorizable_condition): Do not specify vectype for
22610	vect_is_simple_cond when SLP vectorizing.
22611
226122018-05-21  Michael Meissner  <meissner@linux.ibm.com>
22613
22614	PR target/85657
22615	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
22616	define __ibm128 as long double.
22617	* config/rs6000/rs6000.c (rs6000_init_builtins): Create __ibm128
22618	as a distinct type when IEEE 128-bit support is enabled.
22619	(init_float128_ieee): Fix up conversions between IFmode and IEEE
22620	128-bit types to use the correct functions.
22621	(rs6000_expand_float128_convert): Use explicit FLOAT_EXTEND to
22622	convert between 128-bit floating point types that have different
22623	modes but the same representation, instead of using gen_lowpart to
22624	makean alias.
22625	* config/rs6000/rs6000.md (IFKF): New iterator for IFmode and
22626	KFmode.
22627	(IFKF_reg): New attributes to give the register constraints for
22628	IFmode and KFmode.
22629	(extend<mode>tf2_internal): New insns to mark an explicit
22630	conversion between 128-bit floating point types that have a
22631	different mode but share the same representation.
22632
226332018-05-21  Richard Sandiford  <richard.sandiford@linaro.org>
22634
22635	PR tree-optimization/85814
22636	* tree-ssa-strlen.c (get_stridx_plus_constant): Cope with
22637	a null return from get_strinfo when unsharing the next
22638	strinfo in the chain.
22639
226402018-05-21  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>
22641
22642	PR gcc/84923
22643	* varasm.c (weak_finish): Clean up weak_decls.
22644
226452018-05-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22646
22647	* config/aarch64/aarch64.md ("unspec"): Define UNSPEC_SABAL,
22648	UNSPEC_SABDL2, UNSPEC_SADALP, UNSPEC_UABAL, UNSPEC_UABDL2,
22649	UNSPEC_UADALP values.
22650	* config/aarch64/iterators.md (ABAL): New int iterator.
22651	(ABDL2): Likewise.
22652	(ADALP): Likewise.
22653	(sur): Add mappings for the above.
22654	* config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
22655	New define_insn.
22656	(aarch64_<sur>abal<mode>_4): Likewise.
22657	(aarch64_<sur>adalp<mode>_3): Likewise.
22658	(<sur>sadv16qi): New define_expand.
22659
226602018-05-21  Alexander Nesterovskiy  <alexander.nesterovskiy@intel.com>
22661
22662	* config/i386/i386.md (*movsf_internal): AVX falsedep fix.
22663	(*movdf_internal): Ditto.
22664	(*rcpsf2_sse): Ditto.
22665	(*rsqrtsf2_sse): Ditto.
22666	(*sqrt<mode>2_sse): Ditto.
22667
226682018-05-21  Tamar Christina  <tamar.christina@arm.com>
22669
22670	* config/aarch64/aarch64-simd.md (aarch64_eor3qv8hi): Change to
22671	eor3q<mode>4.
22672	(aarch64_bcaxqv8hi): Change to bcaxq<mode>4.
22673	* config/aarch64/aarch64-simd-builtins.def (veor3q_u8, veor3q_u32,
22674	veor3q_u64, veor3q_s8, veor3q_s16, veor3q_s32, veor3q_s64, vbcaxq_u8,
22675	vbcaxq_u32, vbcaxq_u64, vbcaxq_s8, vbcaxq_s16, vbcaxq_s32,
22676	vbcaxq_s64): New.
22677	* config/aarch64/arm_neon.h: Likewise.
22678	* config/aarch64/iterators.md (VQ_I): New.
22679
226802018-05-21  Alexey Brodkin  <abrodkin@synopsys.com>
22681
22682	* config.gcc: Add arc/t-multilib-linux to tmake_file for
22683	arc*-*-linux*.
22684	* config/arc/t-multilib-linux: Specify MULTILIB_OPTIONS and
22685	MULTILIB_DIRNAMES
22686
226872018-05-20  Chung-Ju Wu  <jasonwucj@gmail.com>
22688
22689	* config/nds32/constraints.md (S): New constraint.
22690	* config/nds32/nds32.md (call_internal): Use constraint S.
22691	(call_value_internal): Likewise.
22692	(sibcall_internal): Likewise.
22693	(sibcall_value_internal): Likewise.
22694
226952018-05-20  Kito Cheng  <kito.cheng@gmail.com>
22696	    Chung-Ju Wu  <jasonwucj@gmail.com>
22697
22698	* config/nds32/nds32.c (nds32_register_move_cost): Take garywolf cpu
22699	into consideration.
22700
227012018-05-20  Kito Cheng  <kito.cheng@gmail.com>
22702	    Chung-Ju Wu  <jasonwucj@gmail.com>
22703
22704	* config/nds32/nds32-cost.c (rtx_cost_model_t): New structure.
22705	(insn_size_16bit, insn_size_32bit): New variables for cost evaluation.
22706	(nds32_rtx_costs_impl): Simplify.
22707	(nds32_address_cost_impl): Simplify.
22708	(nds32_init_rtx_costs): New function.
22709	(nds32_rtx_costs_speed_prefer): Likewise.
22710	(nds32_rtx_costs_size_prefer): Likewise.
22711	(nds32_address_cost_speed_prefer): Likewise.
22712	(nds32_address_cost_speed_fwprop): Likewise.
22713	(nds32_address_cost_size_prefer): Likewise.
22714	* config/nds32/nds32-protos.h (nds32_init_rtx_costs): Declare.
22715	* config/nds32/nds32.c (nds32_option_override): Use
22716	nds32_init_rtx_costs function.
22717
227182018-05-20  Chung-Ju Wu  <jasonwucj@gmail.com>
22719
22720	* config/nds32/nds32.c (nds32_asm_file_start): Output pipeline model.
22721	* config/nds32/nds32.h (TARGET_PIPELINE_N7): Define.
22722	(TARGET_PIPELINE_N8): Likewise.
22723	(TARGET_PIPELINE_N10): Likewise.
22724	(TARGET_PIPELINE_N13): Likewise.
22725	(TARGET_PIPELINE_GRAYWOLF): Likewise.
22726
227272018-05-19  Monk Chiang  <sh.chiang04@gmail.com>
22728
22729	* config/nds32/nds32-fpu.md: Update copyright year.
22730
227312018-05-19  Chung-Ju Wu  <jasonwucj@gmail.com>
22732
22733	* config/nds32/nds32.h (ASM_SPEC): Adjust spec rule.
22734
227352018-05-19  Chung-Ju Wu  <jasonwucj@gmail.com>
22736
22737	* config/nds32/nds32.c
22738	(nds32_md_asm_adjust): Consider flag_inline_asm_r15 variable.
22739	* config/nds32/nds32.opt (minline-asm-r15): New option.
22740
227412018-05-19  Chung-Ju Wu  <jasonwucj@gmail.com>
22742
22743	* common/config/nds32/nds32-common.c (TARGET_DEFAULT_TARGET_FLAGS): Add
22744	MASK_HW_ABS.
22745	* config/nds32/nds32.md (abssi2): New pattern.
22746
227472018-05-19  Uros Bizjak  <ubizjak@gmail.com>
22748
22749	* config/i386/i386.md (rex64namesuffix): New mode attribute.
22750	* config/i386/sse.md (sse_cvtsi2ss<rex64namesuffix><round_name>):
22751	Merge insn pattern from sse_cvtsi2ss<round_name> and
22752	sse_cvtsi2ssq<round_name> using SWI48 mode iterator.
22753	(sse_cvtss2si<rex64namesuffix><round_name>): Merge insn pattern
22754	from sse_cvtss2si<round_name> and sse_cvtss2siq<round_name>
22755	using SWI48 mode iterator.
22756	(sse_cvtss2si<rex64namesuffix>_2): Merge insn pattern from
22757	sse_cvtss2si_2 and sse_cvtss2siq_2 using SWI48 mode iterator.
22758	(sse_cvttss2si<rex64namesuffix><round_saeonly_name>): Merge insn
22759	pattern from sse_cvttss2si<round_saeonly_name>
22760	and sse_cvttss2siq<round_saeonly_name> using SWI48 mode iterator.
22761	(avx512f_vcvtss2usi<rex64namesuffix><round_name>): Merge insn pattern
22762	from avx512f_vcvtss2usi<round_name> and avx512f_vcvtss2usiq<round_name>
22763	using SWI48 mode iterator.
22764	(avx512f_vcvttss2usi<rex64namesuffix><round_saeonly_name>): Merge
22765	insn pattern from avx512f_vcvttss2usi<round_saeonly_name> and
22766	avx512f_vcvttss2usiq<round_saeonly_name> using SWI48 mode iterator.
22767	(avx512f_vcvtsd2usi<rex64namesuffix><round_name>): Merge insn pattern
22768	from avx512f_vcvtsd2usi<round_name> and avx512f_vcvtsd2usiq<round_name>
22769	using SWI48 mode iterator.
22770	(avx512f_vcvttsd2usi<rex64namesuffix><round_saeonly_name>): Merge
22771	insn pattern from avx512f_vcvttsd2usi<round_saeonly_name> and
22772	avx512f_vcvttsd2usiq<round_saeonly_name> using SWI48 mode iterator.
22773	(sse2_cvtsd2si<rex64namesuffix><round_name>): Merge insn pattern from
22774	sse2_cvtsd2si<round_name> and sse2_cvtsd2siq<round_name> using
22775	SWI48 mode iterator.
22776	(sse2_cvtsd2si<rex64namesuffix>_2): Merge insn pattern from
22777	sse2_cvtsd2si_2 and sse2_cvtsd2siq_2 using SWI48 mode iterator.
22778	(sse_cvttsd2si<rex64namesuffix><round_saeonly_name>): Merge insn
22779	pattern from sse_cvttsd2si<round_saeonly_name>
22780	and sse_cvttsd2siq<round_saeonly_name> using SWI48 mode iterator.
22781
227822018-05-19  Chung-Ju Wu  <jasonwucj@gmail.com>
22783
22784	* config/nds32/nds32-md-auxiliary.c
22785	(nds32_valid_smw_lwm_base_p): Refine.
22786	(nds32_output_smw_single_word): Refine.
22787	(nds32_output_smw_double_word): New.
22788	* config/nds32/nds32-protos.h (nds32_output_smw_double_word): New.
22789
227902018-05-19  Chung-Ju Wu  <jasonwucj@gmail.com>
22791
22792	* config/nds32/nds32-md-auxiliary.c (nds32_output_stack_push): Refine.
22793	(nds32_output_stack_pop): Refine.
22794	(nds32_expand_unaligned_load): Refine.
22795	(nds32_expand_unaligned_store): Refine.
22796
227972018-05-19  Kuan-Lin Chen  <kuanlinchentw@gmail.com>
22798	    Chung-Ju Wu  <jasonwucj@gmail.com>
22799
22800	* config/nds32/constants.md: Add TP_REGNUM constant.
22801	(unspec_element): Add UNSPEC_GOTINIT, UNSPEC_GOT, UNSPEC_GOTOFF,
22802	UNSPEC_PLT, UNSPEC_TLSGD, UNSPEC_TLSLD, UNSPEC_TLSIE, UNSPEC_TLSLE and
22803	UNSPEC_ADD32.
22804	* config/nds32/nds32-doubleword.md: Consider flag_pic.
22805	* config/nds32/nds32-dspext.md (mov<mode>): Expand TLS and PIC cases.
22806	* config/nds32/nds32-predicates.c (nds32_const_unspec_p): New.
22807	* config/nds32/nds32-md-auxiliary.c: Implementation that support TLS
22808	and PIC code generation.
22809	* config/nds32/nds32-protos.h: Declarations that support TLS and PIC
22810	code generation.
22811	* config/nds32/nds32-relax-opt.c: Consider TLS and PIC for relax
22812	optimization.
22813	* config/nds32/nds32.md: Support TLS and PIC.
22814	* config/nds32/nds32.c: Support TLS and PIC.
22815	* config/nds32/nds32.h (nds32_relax_insn_type): New enum type.
22816	* config/nds32/predicates.md (nds32_nonunspec_symbolic_operand): New
22817	predicate.
22818
228192018-05-19  Chung-Ju Wu  <jasonwucj@gmail.com>
22820
22821	* config/nds32/nds32-predicates.c (const_vector_to_hwint): Use machine
22822	mode with E_ prefix.
22823
228242018-05-19  Kuan-Lin Chen  <kuanlinchentw@gmail.com>
22825	    Chung-Ju Wu  <jasonwucj@gmail.com>
22826
22827	* config/nds32/constants.md (unspec_element): Add UNSPEC_ICT.
22828	* config/nds32/nds32-md-auxiliary.c
22829	(symbolic_reference_mentioned_p): New.
22830	(nds32_legitimize_ict_address): New.
22831	(nds32_expand_ict_move): New.
22832	(nds32_indirect_call_referenced_p): New.
22833	(nds32_symbol_binds_local_p): Delete.
22834	(nds32_long_call_p): Modify.
22835	* config/nds32/nds32-opts.h (nds32_ict_model_type): New enum type.
22836	* config/nds32/nds32-protos.h
22837	(symbolic_reference_mentioned_p): Declare.
22838	(nds32_legitimize_ict_address): Declare.
22839	(nds32_expand_ict_move): Declare.
22840	(nds32_indirect_call_referenced_p): Declare.
22841	* config/nds32/nds32-relax-opt.c (nds32_ict_const_p): New.
22842	(nds32_relax_group): Use nds32_ict_const_p as condition.
22843	* config/nds32/nds32.c (nds32_attribute_table): Add "indirect_call".
22844	(nds32_asm_file_start): Output ict_model directive in asm code.
22845	(nds32_legitimate_address_p): Consider indirect call.
22846	(nds32_print_operand): Consider indirect call.
22847	(nds32_print_operand_address): Consider indirect call.
22848	(nds32_insert_attributes): Handle "indirect_call" attribute.
22849	(TARGET_LEGITIMATE_ADDRESS_P): Define.
22850	(TARGET_LEGITIMATE_CONSTANT_P): Define.
22851	(TARGET_CANNOT_FORCE_CONST_MEM): Define.
22852	(TARGET_DELEGITIMIZE_ADDRESS): Define.
22853	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
22854	* config/nds32/nds32.h (SYMBOLIC_CONST_P): Define.
22855	(TARGET_ICT_MODEL_SMALL): Define.
22856	(TARGET_ICT_MODEL_LARGE): Define.
22857	* config/nds32/nds32.md (movsi): Consider ict model.
22858	(call, call_value): Consider ict model.
22859	(sibcall, sibcall_value): Consider ict model.
22860	* config/nds32/nds32.opt (mict-model): New option.
22861	* config/nds32/predicates.md (nds32_symbolic_operand): Consider ict
22862	model.
22863
228642018-05-18  Kito Cheng  <kito.cheng@gmail.com>
22865	    Monk Chiang  <sh.chiang04@gmail.com>
22866	    Jim Wilson  <jimw@sifive.com>
22867
22868	* common/config/riscv/riscv-common.c (riscv_parse_arch_string):
22869	Add support to parse rv32e*.  Clear MASK_RVE for rv32i and rv64i.
22870	* config.gcc (riscv*-*-*): Add support for rv32e* and ilp32e.
22871	* config/riscv/riscv-c.c (riscv_cpu_cpp_builtins): Define
22872	__riscv_32e when TARGET_RVE.  Handle ABI_ILP32E as soft-float ABI.
22873	* config/riscv/riscv-opts.h (riscv_abi_type): Add ABI_ILP32E.
22874	* config/riscv/riscv.c (riscv_compute_frame_info): When TARGET_RVE,
22875	compute save_libcall_adjustment properly.
22876	(riscv_option_override): Call error if TARGET_RVE and not ABI_ILP32E.
22877	(riscv_conditional_register_usage): Handle TARGET_RVE and ABI_ILP32E.
22878	* config/riscv/riscv.h (UNITS_PER_FP_ARG): Handle ABI_ILP32E.
22879	(STACK_BOUNDARY, ABI_STACK_BOUNDARY): Handle TARGET_RVE.
22880	(GP_REG_LAST, MAX_ARGS_IN_REGISTERS): Likewise.
22881	(ABI_SPEC): Handle mabi=ilp32e.
22882	* config/riscv/riscv.opt (abi_type): Add ABI_ILP32E.
22883	(RVE): Add RVE mask.
22884	* doc/invoke.texi (RISC-V options) <-mabi>: Add ilp32e info.
22885	<-march>: Add rv32e as an example.
22886
228872018-05-18  Marc Glisse  <marc.glisse@inria.fr>
22888
22889	PR c++/82899
22890	* tree-ssa-structalias.c (create_variable_info_for_1): Extra argument.
22891	(intra_create_variable_infos): Handle C++ constructors.
22892
228932018-05-18  Martin Liska  <mliska@suse.cz>
22894
22895	* passes.def: Remove a redundant pass.
22896
228972018-05-18  Eric Botcazou  <ebotcazou@adacore.com>
22898
22899	PR bootstrap/85838
22900	* config/sparc/sparc.c (sparc_expand_builtin): Always initialize op[0].
22901
229022018-05-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22903
22904	* config/arm/arm-cpus.in (armv3m, mode32): Delete features.
22905	(ARMv4): Update.
22906	(ARMv2, ARMv3, ARMv3m): Delete fgroups.
22907	(ARMv6m): Update.
22908	(armv2, armv2a, armv3, armv3m): Delete architectures.
22909	(arm2, arm250, arm3, arm6, arm60, arm600, arm610, arm620,
22910	arm7, arm7d, arm7di, arm70, arm700, arm700i, arm710, arm720,
22911	arm710c, arm7100, arm7500, arm7500fe, arm7m, arm7dm, arm7dmi):
22912	Delete cpus.
22913	* config/arm/arm.md (maddsidi4): Remove check for arm_arch3m.
22914	(*mulsidi3adddi): Likewise.
22915	(mulsidi3): Likewise.
22916	(*mulsidi3_nov6): Likewise.
22917	(umulsidi3): Likewise.
22918	(umulsidi3_nov6): Likewise.
22919	(umaddsidi4): Likewise.
22920	(*umulsidi3adddi): Likewise.
22921	(smulsi3_highpart): Likewise.
22922	(*smulsi3_highpart_nov6): Likewise.
22923	(umulsi3_highpart): Likewise.
22924	(*umulsi3_highpart_nov6): Likewise.
22925	* config/arm/arm.h (arm_arch3m): Delete.
22926	* config/arm/arm.c (arm_arch3m): Delete.
22927	(arm_option_override_internal): Update armv3-related comment.
22928	(arm_configure_build_target): Delete use of isa_bit_mode32.
22929	(arm_option_reconfigure_globals): Delete set of arm_ach3m.
22930	(arm_rtx_costs_internal): Delete check of arm_arch3m.
22931	* config/arm/arm-fixed.md (mulsq3): Delete check for arm_arch3m.
22932	(mulsa3): Likewise.
22933	(mulusa3): Likewise.
22934	* config/arm/arm-protos.h (arm_arch3m): Delete.
22935	* config/arm/arm-tables.opt: Regenerate.
22936	* config/arm/arm-tune.md: Likewise.
22937	* config/arm/t-arm-elf (all_early_nofp): Delete mentions of
22938	deleted architectures.
22939
229402018-05-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22941
22942	* config/arm/arm-cpus.in (armv5, armv5e): Delete features.
22943	(armv5t, armv5te): New features.
22944	(ARMv5, ARMv5e): Delete fgroups.
22945	(ARMv5t, ARMv5te): Adjust for above changes.
22946	(ARMv6m): Likewise.
22947	(armv5, armv5e): Delete arches.
22948	* config/arm/arm.md (*call_reg_armv5): Use arm_arch5t instead of
22949	arm_arch5.
22950	(*call_reg_arm): Likewise.
22951	(*call_value_reg_armv5): Likewise.
22952	(*call_value_reg_arm): Likewise.
22953	(*call_symbol): Likewise.
22954	(*call_value_symbol): Likewise.
22955	(*sibcall_insn): Likewise.
22956	(*sibcall_value_insn): Likewise.
22957	(clzsi2): Likewise.
22958	(prefetch): Likewise.
22959	(define_split and define_peephole2 dependent on arm_arch5):
22960	Likewise.
22961	* config/arm/arm.h (TARGET_LDRD): Use arm_arch5te instead of
22962	arm_arch5e.
22963	(TARGET_ARM_QBIT): Likewise.
22964	(TARGET_DSP_MULTIPLY): Likewise.
22965	(enum base_architecture): Delete BASE_ARCH_5, BASE_ARCH_5E.
22966	(arm_arch5, arm_arch5e): Delete.
22967	(arm_arch5t, arm_arch5te): Declare.
22968	* config/arm/arm.c (arm_arch5, arm_arch5e): Delete.
22969	(arm_arch5t): Declare.
22970	(arm_option_reconfigure_globals): Update for the above.
22971	(arm_options_perform_arch_sanity_checks): Update comment, replace
22972	use of arm_arch5 with arm_arch5t.
22973	(use_return_insn): Likewise.
22974	(arm_emit_call_insn): Likewise.
22975	(output_return_instruction): Likewise.
22976	(arm_final_prescan_insn): Likewise.
22977	(arm_coproc_builtin_available): Likewise.
22978	* config/arm/arm-c.c (arm_cpu_builtins): Replace arm_arch5 and
22979	arm_arch5e with arm_arch5t and arm_arch5te.
22980	* config/arm/arm-protos.h (arm_arch5, arm_arch5e): Delete.
22981	(arm_arch5t, arm_arch5te): Declare.
22982	* config/arm/arm-tables.opt: Regenerate.
22983	* config/arm/t-arm-elf: Remove references to armv5, armv5e.
22984	* config/arm/t-multilib: Likewise.
22985	* config/arm/thumb1.md (*call_reg_thumb1_v5): Check arm_arch5t
22986	instead of arm_arch5.
22987	(*call_reg_thumb1): Likewise.
22988	(*call_value_reg_thumb1_v5): Likewise.
22989	(*call_value_reg_thumb1): Likewise.
22990	* config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Remove now
22991	unreachable path.
22992	* doc/invoke.texi (ARM Options): Remove references to armv5, armv5e.
22993
229942018-05-18  Martin Liska  <mliska@suse.cz>
22995
22996	PR gcov-profile/84846
22997	* doc/gcov.texi: Document -t option of gcov tool.
22998
229992018-05-18  Martin Liska  <mliska@suse.cz>
23000
23001	PR gcov-profile/84846
23002	* gcov.c (print_usage): Add new -t option.
23003	(process_args): Handle the option.
23004	(generate_results): Use stdout as output when requested by
23005	the option.
23006
230072018-05-18  Martin Liska  <mliska@suse.cz>
23008
23009	PR gcov-profile/84846
23010	* coverage.c (coverage_init): Write PWD to .gcno file.
23011	* doc/gcov.texi: Document how working directory is printed.
23012	* gcov-dump.c (dump_gcov_file): Print PWD.
23013	* gcov.c (output_intermediate_file): Likewise.
23014	(read_graph_file): Read PWD string.
23015	(output_lines): Print PWD.
23016
230172018-05-18  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
23018
23019	PR middle-end/85817
23020	* ipa-pure-const.c (malloc_candidate_p): Remove the check integer_zerop
23021	for retval and return false if all args to phi are zero.
23022
230232018-05-18  Richard Biener  <rguenther@suse.de>
23024
23025	* gimple-ssa-evrp.c (class evrp_folder): Add simplify_stmt_using_ranges
23026	method.
23027	(evrp_dom_walker::before_dom_children): Call it.
23028
230292018-05-18  Richard Biener  <rguenther@suse.de>
23030
23031	* tree-dfa.c (get_ref_base_and_extent): Use range-info to refine
23032	results when processing array refs with variable index.
23033
230342018-05-18  Toon Moene  <toon@moene.org>
23035
23036	* doc/invoke.texi: Move -floop-unroll-and-jam documentation
23037	directly after that of -floop-interchange. Indicate that both
23038	options are enabled by default when specifying -O3.
23039
230402018-05-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23041
23042	* config/aarch64/aarch64-simd.md (vec_set<mode>): Use VALL_F16 mode
23043	iterator.  Delete separate integer-mode vec_set<mode> expander.
23044	(aarch64_simd_vec_setv2di): Delete.
23045	(vec_setv2di): Delete.
23046	(aarch64_simd_vec_set<mode>): Delete all other patterns with that name.
23047	Use VALL_F16 mode iterator.  Add LD1 alternative and use vwcore for
23048	the "w, r" alternative.
23049
230502018-05-18  Martin Liska  <mliska@suse.cz>
23051
23052	* passes.def: Add pass_lower_switch and pass_lower_switch_O0.
23053	* tree-pass.h (make_pass_lower_switch_O0): New function.
23054	* tree-switch-conversion.c (node_has_low_bound): Remove.
23055	(node_has_high_bound): Likewise.
23056	(node_is_bounded): Likewise.
23057	(class pass_lower_switch): Make it a template type and create
23058	two instances.
23059	(pass_lower_switch::execute): Add template argument.
23060	(make_pass_lower_switch): New function.
23061	(make_pass_lower_switch_O0): New function.
23062	(do_jump_if_equal): Remove.
23063	(emit_case_nodes): Simplify to just handle all 3 cases and leave
23064	all the hard work to tree optimization passes.
23065
230662018-05-18  Martin Liska  <mliska@suse.cz>
23067
23068	* dbgcnt.c (limit_low): Renamed from limit.
23069	(limit_high): New variable.
23070	(dbg_cnt_is_enabled): Check for upper limit.
23071	(dbg_cnt): Adjust dumping.
23072	(dbg_cnt_set_limit_by_index): Add new argument for high
23073	value.
23074	(dbg_cnt_set_limit_by_name): Likewise.
23075	(dbg_cnt_process_single_pair): Parse new format.
23076	(dbg_cnt_process_opt): Use strtok.
23077	(dbg_cnt_list_all_counters): Remove 'value' and add
23078	'limit_high'.
23079	* doc/invoke.texi: Document changes.
23080
230812018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
23082
23083	* doc/sourcebuild.texi (scalar_all_fma): Document.
23084	* tree.def (FMA_EXPR): Delete.
23085	* internal-fn.def (FMA, FMS, FNMA, FNMS): New internal functions.
23086	* internal-fn.c (ternary_direct): New macro.
23087	(expand_ternary_optab_fn): Likewise.
23088	(direct_ternary_optab_supported_p): Likewise.
23089	* Makefile.in (build/genmatch.o): Depend on case-fn-macros.h.
23090	* builtins.c (fold_builtin_fma): Delete.
23091	(fold_builtin_3): Don't call it.
23092	* cfgexpand.c (expand_debug_expr): Remove FMA_EXPR handling.
23093	* expr.c (expand_expr_real_2): Likewise.
23094	* fold-const.c (operand_equal_p): Likewise.
23095	(fold_ternary_loc): Likewise.
23096	* gimple-pretty-print.c (dump_ternary_rhs): Likewise.
23097	* gimple.c (DEFTREECODE): Likewise.
23098	* gimplify.c (gimplify_expr): Likewise.
23099	* optabs-tree.c (optab_for_tree_code): Likewise.
23100	* tree-cfg.c (verify_gimple_assign_ternary): Likewise.
23101	* tree-eh.c (operation_could_trap_p): Likewise.
23102	(stmt_could_throw_1_p): Likewise.
23103	* tree-inline.c (estimate_operator_cost): Likewise.
23104	* tree-pretty-print.c (dump_generic_node): Likewise.
23105	(op_code_prio): Likewise.
23106	* tree-ssa-loop-im.c (stmt_cost): Likewise.
23107	* tree-ssa-operands.c (get_expr_operands): Likewise.
23108	* tree.c (commutative_ternary_tree_code, add_expr): Likewise.
23109	* fold-const-call.h (fold_fma): Delete.
23110	* fold-const-call.c (fold_const_call_ssss): Handle CFN_FMS,
23111	CFN_FNMA and CFN_FNMS.
23112	(fold_fma): Delete.
23113	* genmatch.c (combined_fn): New enum.
23114	(commutative_ternary_tree_code): Remove FMA_EXPR handling.
23115	(commutative_op): New function.
23116	(commutate): Use it.  Handle more than 2 operands.
23117	(dt_operand::gen_gimple_expr): Use commutative_op.
23118	(parser::parse_expr): Allow :c to be used with non-binary
23119	operators if the commutative operand is known.
23120	* gimple-ssa-backprop.c (backprop::process_builtin_call_use): Handle
23121	CFN_FMS, CFN_FNMA and CFN_FNMS.
23122	(backprop::process_assign_use): Remove FMA_EXPR handling.
23123	* hsa-gen.c (gen_hsa_insns_for_operation_assignment): Likewise.
23124	(gen_hsa_fma): New function.
23125	(gen_hsa_insn_for_internal_fn_call): Use it for IFN_FMA, IFN_FMS,
23126	IFN_FNMA and IFN_FNMS.
23127	* match.pd: Add folds for IFN_FMS, IFN_FNMA and IFN_FNMS.
23128	* gimple-fold.h (follow_all_ssa_edges): Declare.
23129	* gimple-fold.c (follow_all_ssa_edges): New function.
23130	* tree-ssa-math-opts.c (convert_mult_to_fma_1): Use the
23131	gimple_build interface and use follow_all_ssa_edges to fold the result.
23132	(convert_mult_to_fma): Use direct_internal_fn_suppoerted_p
23133	instead of checking for optabs directly.
23134	* config/i386/i386.c (ix86_add_stmt_cost): Recognize FMAs as calls
23135	rather than FMA_EXPRs.
23136	* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Create a
23137	call to IFN_FMA instead of an FMA_EXPR.
23138
231392018-05-17  Jim Wilson  <jimw@sifive.com>
23140
23141	* expr.c (do_tablejump): When converting index to Pmode, if we have a
23142	sign extended promoted subreg, and the range does not have the sign bit
23143	set, then do a sign extend.
23144
23145	* config/riscv/riscv.c (riscv_extend_comparands): In unsigned QImode
23146	test, check for sign extended subreg and/or constant operands, and
23147	do a sign extend in that case.
23148
231492018-05-17  Steve Ellcey  <sellcey@cavium.com>
23150
23151	* config/aarch64/thunderx2t99.md (thunderx2t99_ls_both): Delete.
23152	(thunderx2t99_multiple): Delete psuedo-units from used cpus.
23153	Add untyped.
23154	(thunderx2t99_alu_shift): Remove alu_shift_reg, alus_shift_reg.
23155	Change logics_shift_reg to logics_shift_imm.
23156	(thunderx2t99_fp_loadpair_basic): Delete.
23157	(thunderx2t99_fp_storepair_basic): Delete.
23158	(thunderx2t99_asimd_int): Add neon_sub and neon_sub_q types.
23159	(thunderx2t99_asimd_polynomial): Delete.
23160	(thunderx2t99_asimd_fp_simple): Add neon_fp_mul_s_scalar_q
23161	and neon_fp_mul_d_scalar_q.
23162	(thunderx2t99_asimd_fp_conv): Add *int_to_fp* types.
23163	(thunderx2t99_asimd_misc): Delete neon_dup and neon_dup_q.
23164	(thunderx2t99_asimd_recip_step): Add missing *sqrt* types.
23165	(thunderx2t99_asimd_lut): Add missing tbl types.
23166	(thunderx2t99_asimd_ext): Delete.
23167	(thunderx2t99_asimd_load1_1_mult): Delete.
23168	(thunderx2t99_asimd_load1_2_mult): Delete.
23169	(thunderx2t99_asimd_load1_ldp): New.
23170	(thunderx2t99_asimd_load1): New.
23171	(thunderx2t99_asimd_load2): Add missing *load2* types.
23172	(thunderx2t99_asimd_load3): New.
23173	(thunderx2t99_asimd_load4): New.
23174	(thunderx2t99_asimd_store1_1_mult): Delete.
23175	(thunderx2t99_asimd_store1_2_mult): Delete.
23176	(thunderx2t99_asimd_store2_mult): Delete.
23177	(thunderx2t99_asimd_store2_onelane): Delete.
23178	(thunderx2t99_asimd_store_stp): New.
23179	(thunderx2t99_asimd_store1): New.
23180	(thunderx2t99_asimd_store2): New.
23181	(thunderx2t99_asimd_store3): New.
23182	(thunderx2t99_asimd_store4): New.
23183
231842018-05-17  Jerome Lambourg  <lambourg@adacore.com>
23185
23186	* config/arm/arm_cmse.h (cmse_nsfptr_create, cmse_is_nsfptr): Remove
23187	#include <stdint.h>.  Replace intptr_t with __INTPTR_TYPE__.
23188
231892018-05-17  Pat Haugen  <pthaugen@us.ibm.com>
23190	    Segher Boessenkool  <segher@kernel.crashing.org>
23191
23192	PR target/85698
23193	* config/rs6000/rs6000.c (rs6000_output_move_128bit): Check dest
23194	operand.
23195
231962018-05-17  Richard Biener  <rguenther@suse.de>
23197
23198	* tree-ssa-dse.c (dse_classify_store): Fix iterator increment
23199	for pruning loop and prune defs feeding only already visited PHIs.
23200
232012018-05-17  Richard Biener  <rguenther@suse.de>
23202
23203	* tree-ssa-sccvn.c (vn_reference_lookup_3): Improve memset handling.
23204
232052018-05-17  Bin Cheng  <bin.cheng@arm.com>
23206	    Richard Biener  <rguenther@suse.de>
23207
23208	PR tree-optimization/85793
23209	* tree-vect-stmts.c (vectorizable_load): Handle 1 element-wise load
23210	for VMAT_ELEMENTWISE.
23211
232122018-05-17  Richard Sandiford  <richard.sandiford@linaro.org>
23213
23214	* internal-fn.h (lookup_internal_fn): Declare
23215	* internal-fn.c (lookup_internal_fn): New function.
23216	* gimple.c (gimple_build_call_from_tree): Handle calls to
23217	internal functions.
23218	* gimple-pretty-print.c (dump_gimple_call): Print "." before
23219	internal function names.
23220	* tree-pretty-print.c (dump_generic_node): Likewise.
23221	* tree-ssa-scopedtables.c (expr_hash_elt::print): Likewise.
23222
232232018-05-17  Richard Sandiford  <richard.sandiford@linaro.org>
23224
23225	* gimple-fold.h (gimple_build): Make the function forms take
23226	combined_fn rather than built_in_function.
23227	(gimple_simplify): Likewise.
23228	* gimple-match-head.c (gimple_simplify): Likewise.
23229	* gimple-fold.c (gimple_build): Likewise.
23230	* tree-vect-loop.c (get_initial_def_for_reduction): Use gimple_build
23231	rather than gimple_build_call_internal.
23232	(get_initial_defs_for_reduction): Likewise.
23233	(vect_create_epilog_for_reduction): Likewise.
23234	(vectorizable_live_operation): Likewise.
23235
232362018-05-17  Martin Liska  <mliska@suse.cz>
23237
23238	* gimple-ssa-sprintf.c (format_directive): Do not use
23239	space in between 'G_' and '('.
23240
232412018-05-17  Jakub Jelinek  <jakub@redhat.com>
23242
23243	PR target/85323
23244	* config/i386/i386.c (ix86_fold_builtin): Handle masked shifts
23245	even if the mask is not all ones.
23246
23247	PR target/85323
23248	* config/i386/i386.c (ix86_fold_builtin): Fold shift builtins by
23249	vector.
23250	(ix86_gimple_fold_builtin): Likewise.
23251
23252	PR target/85323
23253	* config/i386/i386.c: Include tree-vector-builder.h.
23254	(ix86_vector_shift_count): New function.
23255	(ix86_fold_builtin): Fold shift builtins by scalar count.
23256	(ix86_gimple_fold_builtin): Likewise.
23257
23258	* config/i386/avx512fintrin.h (_mm512_set_epi16, _mm512_set_epi8,
23259	_mm512_setzero): New intrinsics.
23260
232612018-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
23262	    Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23263
23264	* config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify
23265	code generation for cases where splatting a value is not useful.
23266	* simplify-rtx.c (simplify_ternary_operation): Simplify
23267	vec_merge across a vec_duplicate and a paradoxical subreg forming
23268	a vector mode to a vec_concat.
23269
232702018-05-17  Olga Makhotina  <olga.makhotina@intel.com>
23271
23272	* config.gcc: Support "goldmont-plus".
23273	* config/i386/driver-i386.c (host_detect_local_cpu): Detect
23274	"goldmont-plus".
23275	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
23276	PROCESSOR_GOLDMONT_PLUS.
23277	* config/i386/i386.c (m_GOLDMONT_PLUS): Define.
23278	(processor_target_table): Add "goldmont-plus".
23279	(PTA_GOLDMONT_PLUS): Define.
23280	(ix86_lea_outperforms): Add TARGET_GOLDMONT_PLUS.
23281	(get_builtin_code_for_version): Handle PROCESSOR_GOLDMONT_PLUS.
23282	(fold_builtin_cpu): Add M_INTEL_GOLDMONT_PLUS.
23283	(fold_builtin_cpu): Add "goldmont-plus".
23284	(ix86_add_stmt_cost): Add TARGET_GOLDMONT_PLUS.
23285	(ix86_option_override_internal): Add "goldmont-plus".
23286	* config/i386/i386.h (processor_costs): Define TARGET_GOLDMONT_PLUS.
23287	(processor_type): Add PROCESSOR_GOLDMONT_PLUS.
23288	* config/i386/x86-tune.def: Add m_GOLDMONT_PLUS.
23289	* doc/invoke.texi: Add goldmont-plus as x86 -march=/-mtune= CPU type.
23290
232912018-05-17  Richard Biener  <rguenther@suse.de>
23292
23293	PR tree-optimization/85757
23294	* tree-ssa-dse.c (dse_classify_store): Record a PHI def and
23295	remove defs that only feed that PHI from further processing.
23296
232972018-05-16  Jim Wilson  <jimw@sifive.com>
23298
23299	* config/riscv/riscv.md (<optab>si3_mask, <optab>si3_mask_1): Prepend
23300	asterisk to name.
23301	(<optab>di3_mask, <optab>di3_mask_1): Likewise.
23302
233032018-05-16  Mark Wielaard  <mark@klomp.org>
23304
23305	* dwarf2out.c (count_index_strings): New function.
23306	(output_indirect_strings): Call count_index_strings and generate
23307	header for dwarf_version >= 5.
23308
233092018-05-16  Mark Wielaard  <mark@klomp.org>
23310
23311	* dwarf2out.c (dwarf_FORM): New function.
23312	(set_indirect_string): Use dwarf_FORM.
23313	(reset_indirect_string): Likewise.
23314	(size_of_die): Likewise.
23315	(value_format): Likewise.
23316	(output_die): Likewise.
23317	(add_skeleton_AT_string): Likewise.
23318	(output_macinfo_op): Likewise.
23319	(index_string): Likewise.
23320	(output_index_string_offset): Likewise.
23321	(output_index_string): Likewise.
23322	(count_index_strings): Likewise.
23323
233242018-05-16  Carl Love  <cel@us.ibm.com>
23325
23326	* config/rs6000/rs6000.md (prefetch): Generate ISA 2.06 instructions
23327	dcbt and dcbtstt with TH=16 if operands[2] is 0 and Power 8 or newer.
23328
233292018-05-16  Martin Jambor  <mjambor@suse.cz>
23330
23331	* ipa-prop.c (ipa_free_all_edge_args): Remove.
23332	* ipa-prop.h (ipa_free_all_edge_args): Likewise.
23333
233342018-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
23335
23336	* config/aarch64/aarch64.md (fma<mode>4): Change into expand pattern.
23337	(fnma<mode>4): Likewise.
23338	(fms<mode>4): Likewise.
23339	(fnms<mode>4): Likewise.
23340	(aarch64_fma<mode>4): Rename insn, reorder accumulator operand.
23341	(aarch64_fnma<mode>4): Likewise.
23342	(aarch64_fms<mode>4): Likewise.
23343	(aarch64_fnms<mode>4): Likewise.
23344	(aarch64_fnmadd<mode>4): Likewise.
23345
233462018-05-16  Jason Merrill  <jason@redhat.com>
23347
23348	* tree.c (warn_deprecated_use): Return bool.  Simplify logic.
23349
233502018-05-16  Richard Biener  <rguenther@suse.de>
23351
23352	* tree-vectorizer.h (struct stmt_info_for_cost): Add where member.
23353	(dump_stmt_cost): Declare.
23354	(add_stmt_cost): Dump cost we add.
23355	(add_stmt_costs): New function.
23356	(vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
23357	No longer exported.
23358	(vect_analyze_stmt): Adjust prototype.
23359	(vectorizable_condition): Likewise.
23360	(vectorizable_live_operation): Likewise.
23361	(vectorizable_reduction): Likewise.
23362	(vectorizable_induction): Likewise.
23363	* tree-vect-loop.c (vect_analyze_loop_operations): Create local
23364	cost vector to pass to vectorizable_ and record afterwards.
23365	(vect_model_reduction_cost): Take cost vector argument and adjust.
23366	(vect_model_induction_cost): Likewise.
23367	(vectorizable_reduction): Likewise.
23368	(vectorizable_induction): Likewise.
23369	(vectorizable_live_operation): Likewise.
23370	* tree-vect-slp.c (vect_create_new_slp_node): Initialize
23371	SLP_TREE_NUMBER_OF_VEC_STMTS.
23372	(vect_analyze_slp_cost_1): Remove.
23373	(vect_analyze_slp_cost): Likewise.
23374	(vect_slp_analyze_node_operations): Take visited args and
23375	a target cost vector.  Avoid processing already visited stmt sets.
23376	(vect_slp_analyze_operations): Use a local cost vector to gather
23377	costs and register those of non-discarded instances.
23378	(vect_bb_vectorization_profitable_p): Use add_stmt_costs.
23379	(vect_schedule_slp_instance): Remove copying of
23380	SLP_TREE_NUMBER_OF_VEC_STMTS.  Instead assert that it is not
23381	zero.
23382	* tree-vect-stmts.c (record_stmt_cost): Remove path directly
23383	adding cost.  Record cost entry location.
23384	(vect_prologue_cost_for_slp_op): Function to compute cost of
23385	a constant or invariant generated for SLP vect in the prologue,
23386	split out from vect_analyze_slp_cost_1.
23387	(vect_model_simple_cost): Make static.  Adjust for SLP costing.
23388	(vect_model_promotion_demotion_cost): Likewise.
23389	(vect_model_store_cost): Likewise, make static.
23390	(vect_model_load_cost): Likewise.
23391	(vectorizable_bswap): Add cost vector arg and adjust.
23392	(vectorizable_call): Likewise.
23393	(vectorizable_simd_clone_call): Likewise.
23394	(vectorizable_conversion): Likewise.
23395	(vectorizable_assignment): Likewise.
23396	(vectorizable_shift): Likewise.
23397	(vectorizable_operation): Likewise.
23398	(vectorizable_store): Likewise.
23399	(vectorizable_load): Likewise.
23400	(vectorizable_condition): Likewise.
23401	(vectorizable_comparison): Likewise.
23402	(can_vectorize_live_stmts): Likewise.
23403	(vect_analyze_stmt): Likewise.
23404	(vect_transform_stmt): Adjust calls to vectorizable_*.
23405	* tree-vectorizer.c: Include gimple-pretty-print.h.
23406	(dump_stmt_cost): New function.
23407
234082018-05-16  Richard Biener  <rguenther@suse.de>
23409
23410	* params.def (PARAM_DSE_MAX_ALIAS_QUERIES_PER_STORE): New param.
23411	* doc/invoke.texi (dse-max-alias-queries-per-store): Document.
23412	* tree-ssa-dse.c: Include tree-ssa-loop.h.
23413	(check_name): New callback.
23414	(dse_classify_store): Track cycles via a visited bitmap of PHI
23415	defs and simplify handling of in-loop and across loop dead stores
23416	and properly fail for loop-variant refs.  Handle byte-tracking with
23417	multiple defs.  Use PARAM_DSE_MAX_ALIAS_QUERIES_PER_STORE for
23418	limiting the walk.
23419
234202018-05-16  Richard Sandiford  <richard.sandiford@linaro.org>
23421
23422	* tree-vectorizer.h (vect_get_vector_types_for_stmt): Declare.
23423	(vect_get_mask_type_for_stmt): Likewise.
23424	* tree-vect-slp.c (vect_two_operations_perm_ok_p): New function,
23425	split out from...
23426	(vect_build_slp_tree_1): ...here.  Use vect_get_vector_types_for_stmt
23427	to determine the statement's vector type and the vector type that
23428	should be used for calculating nunits.  Deal with cases in which
23429	the type has to be deferred.
23430	(vect_slp_analyze_node_operations): Use vect_get_vector_types_for_stmt
23431	and vect_get_mask_type_for_stmt to calculate STMT_VINFO_VECTYPE.
23432	* tree-vect-loop.c (vect_determine_vf_for_stmt_1)
23433	(vect_determine_vf_for_stmt): New functions, split out from...
23434	(vect_determine_vectorization_factor): ...here.
23435	* tree-vect-stmts.c (vect_get_vector_types_for_stmt)
23436	(vect_get_mask_type_for_stmt): New functions, split out from
23437	vect_determine_vectorization_factor.
23438
234392018-05-16  Richard Biener  <rguenther@suse.de>
23440
23441	* tree-cfg.c (verify_gimple_assign_ternary): Properly
23442	verify the [VEC_]COND_EXPR embedded comparison.
23443
234442018-05-15  Martin Sebor  <msebor@redhat.com>
23445
23446	PR tree-optimization/85753
23447	* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Handle
23448	RECORD_TYPE in addition to ARRAY_TYPE.
23449
234502018-05-15  Martin Sebor  <msebor@redhat.com>
23451
23452	PR middle-end/85643
23453	* calls.c (get_attr_nonstring_decl): Handle MEM_REF.
23454
234552018-05-15  Richard Biener  <rguenther@suse.de>
23456
23457	* tree-ssa-dse.c (dse_classify_store): Remove use_stmt parameter,
23458	add by_clobber_p one.  Change algorithm to collect all defs
23459	representing uses we need to walk and try reducing them to
23460	a single one before failing.
23461	(dse_dom_walker::dse_optimize_stmt): Adjust.
23462
234632018-05-13  Mark Wielaard  <mark@klomp.org>
23464
23465	* dwarf2out.c (dwarf_OP): Handle DW_OP_addrx and DW_OP_constx.
23466	(size_of_loc_descr): Likewise.
23467	(output_loc_operands): Likewise.
23468	(output_loc_operands_raw): Likewise.
23469	(dw_addr_op): Use dwarf_OP () for DW_OP_constx and DW_OP_addrx.
23470	(resolve_addr_in_expr): Handle DW_OP_addrx and DW_OP_constx.
23471	(hash_loc_operands): Likewise.
23472	(compare_loc_operands): Likewise.
23473
234742018-05-14  Mark Wielaard  <mark@klomp.org>
23475
23476	* dwarf2out.c (count_index_addrs): New function.
23477	(dwarf2out_finish): Use count_index_addrs to calculate addrs_length.
23478
234792018-05-15  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
23480
23481	PR tree-optimization/83648
23482	* ipa-pure-const.c (malloc_candidate_p): Allow function with NULL
23483	return value as malloc candidate.
23484
234852018-05-15  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
23486
23487	PR ipa/85734
23488	* ipa-pure-const.c (warn_function_malloc): Pass value of known_finite
23489	param as true in call to suggest_attribute.
23490
234912018-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
23492
23493	* doc/invoke.texi (RS/6000 and PowerPC Options): Delete @itemx for
23494	-mreadonly-in-sdata.
23495
234962018-05-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23497
23498	* config/aarch64/aarch64-simd.md (*aarch64_crypto_aese_fused):
23499	New pattern.
23500	(aarch64_crypto_aesd_fused): Likewise.
23501
235022018-05-14  Wilco Dijkstra  <wdijkstr@arm.com>
23503
23504	* config/aarch64/aarch64.md (mov<mode>): Remove '*' in alternatives.
23505	(movsi_aarch64): Likewise.
23506	(load_pairsi): Likewise.
23507	(load_pairdi): Likewise.
23508	(store_pairsi): Likewise.
23509	(store_pairdi): Likewise.
23510	(load_pairsf): Likewise.
23511	(load_pairdf): Likewise.
23512	(store_pairsf): Likewise.
23513	(store_pairdf): Likewise.
23514	(zero_extend): Likewise.
23515	(trunc): Swap alternatives.
23516	(fcvt_target): Add '?' to prefer w over r.
23517
235182018-05-14  Jakub Jelinek  <jakub@redhat.com>
23519
23520	PR target/85756
23521	* config/i386/i386.md: Disallow non-commutative arithmetics in
23522	last twpeephole for mem {+,-,&,|,^}= x; mem != 0 after cmpelim
23523	optimization.  Use COMMUTATIVE_ARITH_P test rather than != MINUS
23524	in the peephole2 before it.
23525
235262018-05-14  Sebastian Peryt  <sebastian.peryt@intel.com>
23527
23528	* common/config/i386/i386-common.c (OPTION_MASK_ISA_CLDEMOTE_SET,
23529	OPTION_MASK_ISA_CLDEMOTE_UNSET): New defines.
23530	(ix86_handle_option): Handle -mcldemote.
23531	* config.gcc: New header.
23532	* config/i386/cldemoteintrin.h: New file.
23533	* config/i386/cpuid.h (bit_CLDEMOTE): New bit.
23534	* config/i386/driver-i386.c (host_detect_local_cpu): Detect
23535	-mcldemote.
23536	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
23537	OPTION_MASK_ISA_CLDEMOTE.
23538	* config/i386/i386.c (ix86_target_string): Add -mcldemote.
23539	(ix86_valid_target_attribute_inner_p): Ditto.
23540	(enum ix86_builtins): Add IX86_BUILTIN_CLDEMOTE.
23541	(ix86_init_mmx_sse_builtins): Define __builtin_ia32_cldemote.
23542	(ix86_expand_builtin): Expand IX86_BUILTIN_CLDEMOTE.
23543	* config/i386/i386.h (TARGET_CLDEMOTE, TARGET_CLDEMOTE_P): New.
23544	* config/i386/i386.md (UNSPECV_CLDEMOTE): New.
23545	(cldemote): New.
23546	* config/i386/i386.opt: Add -mcldemote.
23547	* config/i386/x86intrin.h: New header.
23548	* doc/invoke.texi: Add -mcldemote.
23549
235502018-05-14  Richard Biener  <rguenther@suse.de>
23551
23552	* doc/match-and-simplify.texi: Adjust :s documentation.
23553
235542018-05-14  Alexander Monakov  <amonakov@ispras.ru>
23555
23556	* sort.cc (REORDER_23): Pass the type for the temporaries instead of
23557	intended memcpy size.
23558	(REORDER_45): Likewise.
23559
235602018-05-13  Alexander Monakov  <amonakov@ispras.ru>
23561
23562	* sort.cc: New file.
23563	* system.h [!CHECKING_P] (qsort): Redirect to gcc_qsort.
23564	* vec.c (qsort_chk): Use gcc_qsort.
23565	* Makefile.in (OBJS-libcommon): Add sort.o.
23566	(build/sort.o): New target.  Use it...
23567	(BUILD_RTL): ... here, and...
23568	(build/gencfn-macros): ... here, and...
23569	(build/genmatch): ... here.
23570
235712018-05-13  Kito Cheng  <kito.cheng@gmail.com>
23572	    Chung-Ju Wu  <jasonwucj@gmail.com>
23573
23574	* config.gcc (nds32*-*-*): Check that n15 is valid to --with-cpu.
23575	* config/nds32/nds32-graywolf.md: New file.
23576	* config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_GRAYWOLF.
23577	* config/nds32/nds32-pipelines-auxiliary.c: Implementation for n15
23578	pipeline.
23579	* config/nds32/nds32-protos.h: More declarations for n15 pipeline.
23580	* config/nds32/nds32-utils.c: More implementations for n15 pipeline.
23581	* config/nds32/nds32.md (pipeline_model): Add graywolf.
23582	* config/nds32/nds32.opt (mcpu): Support n15 pipeline cpus.
23583	* config/nds32/pipelines.md: Include n15 settings.
23584
235852018-05-13  Kito Cheng  <kito.cheng@gmail.com>
23586	    Chung-Ju Wu  <jasonwucj@gmail.com>
23587
23588	* config.gcc (nds32*-*-*): Check that n12/n13 are valid to --with-cpu.
23589	* config/nds32/nds32-n13.md: New file.
23590	* config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N12 and CPU_N13.
23591	* config/nds32/nds32-pipelines-auxiliary.c: Implementation for n12/n13
23592	pipeline.
23593	* config/nds32/nds32-protos.h: More declarations for n12/n13 pipeline.
23594	* config/nds32/nds32.md (pipeline_model): Add n13.
23595	* config/nds32/nds32.opt (mcpu): Support n12/n13 pipeline cpus.
23596	* config/nds32/pipelines.md: Include n13 settings.
23597
235982018-05-13  Kito Cheng  <kito.cheng@gmail.com>
23599	    Chung-Ju Wu  <jasonwucj@gmail.com>
23600
23601	* config.gcc (nds32*-*-*): Check that n10/d10 are valid to --with-cpu.
23602	* config/nds32/nds32-n10.md: New file.
23603	* config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N10.
23604	* config/nds32/nds32-pipelines-auxiliary.c: Implementation for n10
23605	pipeline.
23606	* config/nds32/nds32-protos.h: More declarations for n10 pipeline.
23607	* config/nds32/nds32-utils.c: More implementations for n10 pipeline.
23608	* config/nds32/nds32.md (pipeline_model): Add n10.
23609	* config/nds32/nds32.opt (mcpu): Support n10 pipeline cpus.
23610	* config/nds32/pipelines.md: Include n10 settings.
23611
236122018-05-13  Monk Chiang  <sh.chiang04@gmail.com>
23613	    Kito Cheng  <kito.cheng@gmail.com>
23614	    Chung-Ju Wu  <jasonwucj@gmail.com>
23615
23616	* config.gcc (nds32be-*-*): Handle --with-ext-dsp.
23617	* config/nds32/constants.md (unspec_element, unspec_volatile_element):
23618	Add enum values for DSP extension instructions.
23619	* config/nds32/constraints.md (Iu06, IU06, CVp5, CVs5, CVs2, CVhi):
23620	New constraints.
23621	* config/nds32/iterators.md (shifts, shiftrt, sat_plus, all_plus,
23622	sat_minus, all_minus, plus_minus, extend, sumax, sumin, sumin_max):
23623	New code iterators.
23624	(su, zs, uk, opcode, add_rsub, add_sub): New code attributes.
23625	* config/nds32/nds32-dspext.md: New file for DSP implementation.
23626	* config/nds32/nds32-intrinsic.c: Implementation of DSP extension.
23627	* config/nds32/nds32-intrinsic.md: Likewise.
23628	* config/nds32/nds32_intrinsic.h: Likewise.
23629	* config/nds32/nds32-md-auxiliary.c: Likewise.
23630	* config/nds32/nds32-memory-manipulation.c: Consider DSP extension.
23631	* config/nds32/nds32-predicates.c (const_vector_to_hwint): New.
23632	(nds32_valid_CVp5_p, nds32_valid_CVs5_p): New.
23633	(nds32_valid_CVs2_p, nds32_valid_CVhi_p): New.
23634	* config/nds32/nds32-protos.h: New declarations for DSP extension.
23635	* config/nds32/nds32-utils.c (extract_mac_non_acc_rtx): New case
23636	TYPE_DMAC in switch statement.
23637	* config/nds32/nds32.c: New checking and implementation for DSP
23638	extension instructions.
23639	* config/nds32/nds32.h: Likewise.
23640	* config/nds32/nds32.md: Likewise.
23641	* config/nds32/nds32.opt (mhw-abs, mext-dsp): New options.
23642	* config/nds32/predicates.md: Implement new predicates for DSP
23643	extension.
23644
236452018-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
23646
23647	* config/rs6000/rs6000.md (mov<mode>_softfloat, FMOVE32):
23648	Reformat alternatives and attributes so it is easier to identify
23649	which constraints/attributes go with which instruction.
23650	(mov<mode>_hardfloat32, FMOVE64): Likewise.
23651	(mov<mode>_softfloat32, FMOVE64): Likewise.
23652	(mov<mode>_hardfloat64, FMOVE64): Likewise.
23653	(mov<mode>_softfloat64, FMOVE64): Likewise.
23654
236552018-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23656
23657	* doc/extend.texi (PowerPC Built-in Functions): Rename this
23658	subsection.
23659	(Basic PowerPC Built-in Functions): The new name of the
23660	subsection previously known as "PowerPC Built-in Functions".
23661	(Basic PowerPC Built-in Functions Available on all Configurations):
23662	New subsubsection.
23663	(Basic PowerPC Built-in Functions Available on ISA 2.05): Likewise.
23664	(Basic PowerPC Built-in Functions Available on ISA 2.06): Likewise.
23665	(Basic PowerPC Built-in Functions Available on ISA 2.07): Likewise.
23666	(Basic PowerPC Built-in Functions Available on ISA 3.0): Likewise.
23667
236682018-05-11  Martin Jambor  <mjambor@suse.cz>
23669
23670	PR ipa/85655
23671	* ipa-cp.c (intersect_with_plats): Check that the lattice contains
23672	single const.
23673
236742018-05-11  Richard Earnshaw  <rearnsha@arm.com>
23675
23676	PR target/85733
23677	* config/arm/arm-cpus.in (fgroup ARMv6m): Add be8 feature.
23678
236792018-05-11  Sebastian Peryt  <sebastian.peryt@intel.com>
23680
23681	* common/config/i386/i386-common.c (OPTION_MASK_ISA_WAITPKG_SET,
23682	OPTION_MASK_ISA_WAITPKG_UNSET): New defines.
23683	(ix86_handle_option): Handle -mwaitpkg.
23684	* config.gcc: New header.
23685	* config/i386/cpuid.h (bit_WAITPKG): New bit.
23686	* config/i386/driver-i386.c (host_detect_local_cpu): Detect -mwaitpkg.
23687	* config/i386/i386-builtin-types.def ((UINT8, UNSIGNED, UINT64)): New
23688	function type.
23689	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
23690	OPTION_MASK_ISA_WAITPKG.
23691	* config/i386/i386.c (ix86_target_string): Add -mwaitpkg.
23692	(ix86_option_override_internal): Add PTA_WAITPKG.
23693	(ix86_valid_target_attribute_inner_p): Add -mwaitpkg.
23694	(enum ix86_builtins): Add IX86_BUILTIN_UMONITOR, IX86_BUILTIN_UMWAIT,
23695	IX86_BUILTIN_TPAUSE.
23696	(ix86_init_mmx_sse_builtins): Define __builtin_ia32_umonitor,
23697	__builtin_ia32_umwait and __builtin_ia32_tpause.
23698	(ix86_expand_builtin): Expand IX86_BUILTIN_UMONITOR,
23699	IX86_BUILTIN_UMWAIT, IX86_BUILTIN_TPAUSE.
23700	* config/i386/i386.h (TARGET_WAITPKG, TARGET_WAITPKG_P): New.
23701	* config/i386/i386.md (UNSPECV_UMWAIT, UNSPECV_UMONITOR,
23702	UNSPECV_TPAUSE): New.
23703	(umwait, umwait_rex64, umonitor_<mode>, tpause, tpause_rex64): New.
23704	* config/i386/i386.opt: Add -mwaitpkg.
23705	* config/i386/waitpkgintrin.h: New file.
23706	* config/i386/x86intrin.h: New header.
23707	* doc/invoke.texi: Add -mwaitpkg.
23708
237092018-05-11  Richard Earnshaw  <rearnsha@arm.com>
23710
23711	PR target/85606
23712	* config/arm/arm-cpus.in: Add comment that ARMv6-m and ARMv6S-m are now
23713	equivalent.
23714	(cortex-m0): Use armv6s-m isa.
23715	(cortex-m0plus): Likewise.
23716	(cortex-m1): Likewise.
23717	(cortex-m0.small-multiply): Likewise.
23718	(cortex-m0plus.small-multiply): Likewise.
23719	(cortex-m1.small-multiply): Likewise.
23720
237212018-05-11  Allan Sandfeld Jensen  <allan.jensen@qt.io>
23722	    Jakub Jelinek  <jakub@redhat.com>
23723
23724	PR tree-optimization/85692
23725	* tree-ssa-forwprop.c (simplify_vector_constructor): Try two
23726	source permute as well.
23727
237282018-05-11  Martin Liska  <mliska@suse.cz>
23729
23730	PR sanitizer/85556
23731	* doc/extend.texi: Document LLVM style format for no_sanitize
23732	attribute.
23733
237342018-05-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
23735
23736	* config/rs6000/rs6000.c (mode_supports_dq_form): Rename
23737	mode_supports_vsx_dform_quad to mode_supports_dq_form.
23738	(mode_supports_vsx_dform_quad): Likewise.
23739	(mode_supports_vmx_dform): Move these functions to be next to the
23740	other mode_supports functions.
23741	(mode_supports_dq_form): Likewise.
23742	(quad_address_p): Change calls of mode_supports_vsx_dform_quad to
23743	mode_supports_dq_form.
23744	(reg_offset_addressing_ok_p): Likewise.
23745	(offsettable_ok_by_alignment): Likewise.
23746	(rs6000_legitimate_offset_address_p): Likewise.
23747	(legitimate_lo_sum_address_p): Likewise.
23748	(rs6000_legitimize_address): Likewise.
23749	(rs6000_legitimize_reload_address): Likewise.
23750	(rs6000_secondary_reload_inner): Likewise.
23751	(rs6000_preferred_reload_class): Likewise.
23752	(rs6000_output_move_128bit): Likewise.
23753
237542018-05-10  Uros Bizjak  <ubizjak@gmail.com>
23755
23756	* config/i386/i386.c (ix86_expand_builtin) <case IX86_BUILTIN_RDPID>:
23757	Generate SImode target register for null target.
23758	<case IX86_BUILTIN_XGETBV>: Ditto.
23759	<case IX86_BUILTIN_XSETBV>: Optimize LSHIFTRT generation.
23760	* config/i386/xsaveintrin.h (_xgetbv): Add missing return.
23761
237622018-05-10  Carl Love  <cel@us.ibm.com>
23763
23764	* config/rs6000/rs6000.md (prefetch): Generate ISA 2.06 instructions
23765	dcbtt and dcbtstt if operands[2] is 0.
23766
237672018-05-10  Uros Bizjak  <ubizjak@gmail.com>
23768
23769	PR target/85693
23770	* config/i386/sse.md (usadv64qi): New expander.
23771
237722018-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
23773
23774	* config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh,
23775	altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw): Remove
23776	-maltivec=be support.
23777	(vec_widen_umult_even_v16qi, vec_widen_smult_even_v16qi,
23778	vec_widen_umult_even_v8hi, vec_widen_smult_even_v8hi,
23779	vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
23780	vec_widen_umult_odd_v16qi, vec_widen_smult_odd_v16qi,
23781	vec_widen_umult_odd_v8hi, vec_widen_smult_odd_v8hi,
23782	vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si, altivec_vpkpx,
23783	altivec_vpks<VI_char>ss, altivec_vpks<VI_char>us,
23784	altivec_vpku<VI_char>us, altivec_vpku<VI_char>um, altivec_vsum2sws,
23785	altivec_vsumsws): Adjust.
23786	(altivec_vspltb *altivec_vspltb_internal, altivec_vsplth,
23787	*altivec_vsplth_internal, altivec_vspltw, *altivec_vspltw_internal,
23788	altivec_vspltsf, *altivec_vspltsf_internal): Remove -maltivec=be
23789	support.
23790	(altivec_vperm_<mode>, altivec_vperm_<mode>_uns,
23791	altivec_vupkhs<VU_char>, altivec_vupkls<VU_char>, altivec_vupkhpx,
23792	altivec_vupklpx, altivec_lvsl, altivec_lvsr): Adjust.
23793	(altivec_lve<VI_char>x): Delete expand.
23794	(*altivec_lve<VI_char>x_internal): Rename to...
23795	(altivec_lve<VI_char>x): ... this.
23796	(altivec_lvxl_<mode>): Delete expand.
23797	(*altivec_lvxl_<mode>_internal): Rename to ...
23798	(altivec_lvxl_<mode>): ... this.
23799	(altivec_stvxl_<mode>): Delete expand.
23800	(*altivec_stvxl_<mode>_internal): Rename to ...
23801	(altivec_stvxl_<mode>): ... this.
23802	(altivec_stve<VI_char>x): Delete expand.
23803	(*altivec_stve<VI_char>x_internal): Rename to ...
23804	(altivec_stve<VI_char>x): ... this.
23805	(doublee<mode>2, unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2,
23806	doubleh<mode>2, unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2,
23807	reduc_plus_scal_<mode>): Adjust.
23808	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust
23809	comment.
23810	(rs6000_cpu_cpp_builtins): Adjust.
23811	(altivec_resolve_overloaded_builtin): Remove -maltivec=be support.
23812	* config/rs6000/rs6000-protos.h (altivec_expand_lvx_be,
23813	altivec_expand_stvx_be, altivec_expand_stvex_be): Delete.
23814	* config/rs6000/rs6000.c (rs6000_option_override_internal): Remove
23815	-maltivec=be support.
23816	(rs6000_split_vec_extract_var): Adjust.
23817	(rs6000_split_v4si_init): Adjust.
23818	(swap_selector_for_mode): Delete.
23819	(altivec_expand_lvx_be, altivec_expand_stvx_be,
23820	altivec_expand_stvex_be): Delete.
23821	(altivec_expand_lv_builtin, altivec_expand_stv_builtin): Remove
23822	-maltivec=be support.
23823	(rs6000_gimple_fold_builtin): Ditto.
23824	(rs6000_generate_float2_double_code, rs6000_generate_float2_code):
23825	Adjust.
23826	* config/rs6000/rs6000.h (VECTOR_ELT_ORDER_BIG): Delete.
23827	(TARGET_DIRECT_MOVE_64BIT): Adjust.
23828	* config/rs6000/rs6000.md (split for extendsidi2 for vectors): Adjust.
23829	* config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Delete.
23830	* config/rs6000/vsx.md (floate<mode>, unsfloatev2di, floato<mode>,
23831	unsfloatov2di, vsignedo_v2df, vsignede_v2df, vunsignedo_v2df,
23832	vunsignede_v2df, vsx_extract_<mode>_p9, *vsx_extract_si,
23833	*vsx_extract_<mode>_p8, *vsx_extract_si_<uns>float_df,
23834	*vsx_extract_si_<uns>float_<mode>, vsx_set_<mode>_p9, vsx_set_v4sf_p9,
23835	*vsx_insert_extract_v4sf_p9, *vsx_insert_extract_v4sf_p9_2, and an
23836	anonymous split): Adjust.
23837	(vsx_mergel_<mode>, vsx_mergeh_<mode>): Remove -maltivec=be support.
23838	(vsx_xxspltd_<mode>, extract4b, insert4b): Adjust.
23839
238402018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
23841
23842	* configure.ac (gcc_gxx_include_dir_add_sysroot): Set it to 1 only
23843	when --with-gxx-include-dir is also specified.
23844	* configure: Regenerate.
23845
238462018-05-09  Jim Wilson  <jimw@sifive.com>
23847
23848	PR target/84797
23849	* config.gcc (riscv*-*-*): Handle --with-multilib-list.
23850	* config/riscv/t-withmultilib: New.
23851	* config/riscv/withmultilib.h: New.
23852	* doc/install.texi: Document RISC-V --with-multilib-list support.
23853
238542018-05-09  Richard Biener  <rguenther@suse.de>
23855
23856	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Fill a cost
23857	vector.
23858	(vect_bb_vectorization_profitable_p): Adjust.  Compute
23859	actual scalar cost using the cost vector and the add_stmt_cost
23860	machinery.
23861
238622018-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
23863
23864	PR rtl-optimization/85645
23865	* config/rs6000/rs6000.c (rs6000_emit_prologue_components): Put a SET
23866	in the REG_CFA_REGISTER note for LR, don't leave it empty.
23867
238682018-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
23869
23870	PR rtl-optimization/85645
23871	* shrink-wrap.c (spread_components): Return a boolean saying if
23872	anything was changed.
23873	(try_shrink_wrapping_separate): Iterate spread_components until
23874	nothing changes anymore.
23875
238762018-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
23877
23878	PR rtl-optimization/85645
23879	* regrename.c (build_def_use): Also kill the chains that include the
23880	destination of a REG_CFA_REGISTER note.
23881
238822018-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
23883
23884	PR rtl-optimization/85645
23885	*  regcprop.c (copyprop_hardreg_forward_1): Don't propagate into an
23886	insn that has a REG_CFA_REGISTER note.
23887
238882018-05-09  Richard Sandiford  <richard.sandiford@linaro.org>
23889
23890	* cfgexpand.c (expand_clobber): New function.
23891	(expand_gimple_stmt_1): Use it.
23892	* tree-vect-stmts.c (vect_clobber_variable): New function,
23893	split out from...
23894	(vectorizable_simd_clone_call): ...here.
23895	(vectorizable_store): Emit a clobber either side of an
23896	IFN_STORE_LANES sequence.
23897	(vectorizable_load): Emit a clobber after an IFN_LOAD_LANES sequence.
23898
238992018-05-09  Tom de Vries  <tom@codesourcery.com>
23900
23901	PR target/85626
23902	* config/nvptx/nvptx.md (define_insn "trap", define_insn "trap_if_true")
23903	(define_insn "trap_if_false"): Add exit after trap.
23904
239052018-05-09  Eric Botcazou  <ebotcazou@adacore.com>
23906
23907	PR rtl-optimization/85638
23908	* bb-reorder.c: Include common/common-target.h.
23909	(create_forwarder_block): New function extracted from...
23910	(fix_up_crossing_landing_pad): ...here.  Rename into...
23911	(dw2_fix_up_crossing_landing_pad): ...this.
23912	(sjlj_fix_up_crossing_landing_pad): New function.
23913	(find_rarely_executed_basic_blocks_and_crossing_edges): In SJLJ mode,
23914	call sjlj_fix_up_crossing_landing_pad if there are incoming EH edges
23915	from both partitions and exit the loop after one iteration.
23916
239172018-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23918
23919	Revert:
23920	* doc/extend.texi (PowerPC Built-in Functions): Rename this
23921	subsection.
23922	(Basic PowerPC Built-in Functions): The new name of the
23923	subsection previously known as "PowerPC Built-in Functions".
23924	(Basic PowerPC Built-in Functions Available on all Configurations):
23925	New subsubsection.
23926	(Basic PowerPC Built-in Functions Available on ISA 2.05): New
23927	subsubsection.
23928	(Basic PowerPC Built-in Functions Available on ISA 2.06): New
23929	subsubsection.
23930	(Basic PowerPC Built-in Functions Available on ISA 2.07): New
23931	subsubsection.
23932	(Basic PowerPC Built-in Functions Available on ISA 3.0): New
23933	subsubsection.
23934
239352018-05-08  Jim Wilson  <jimw@sifive.com>
23936
23937	* config/riscv/linux.h (MUSL_ABI_SUFFIX): Delete unnecessary backslash.
23938	(LD_EMUL_SUFFIX): New.
23939	(LINK_SPEC): Use it.
23940
239412018-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23942
23943	* doc/extend.texi (PowerPC Built-in Functions): Rename this
23944	subsection.
23945	(Basic PowerPC Built-in Functions): The new name of the
23946	subsection previously known as "PowerPC Built-in Functions".
23947	(Basic PowerPC Built-in Functions Available on all Configurations):
23948	New subsubsection.
23949	(Basic PowerPC Built-in Functions Available on ISA 2.05): New
23950	subsubsection.
23951	(Basic PowerPC Built-in Functions Available on ISA 2.06): New
23952	subsubsection.
23953	(Basic PowerPC Built-in Functions Available on ISA 2.07): New
23954	subsubsection.
23955	(Basic PowerPC Built-in Functions Available on ISA 3.0): New
23956	subsubsection.
23957
239582018-05-08  Jakub Jelinek  <jakub@redhat.com>
23959
23960	PR target/85683
23961	* config/i386/i386.md: Add peepholes for mem {+,-,&,|,^}= x; mem != 0
23962	after cmpelim optimization.
23963
239642018-05-08  Olga Makhotina  <olga.makhotina@intel.com>
23965
23966	* config.gcc: Support "goldmont".
23967	* config/i386/driver-i386.c (host_detect_local_cpu): Detect "goldmont".
23968	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
23969	PROCESSOR_GOLDMONT.
23970	* config/i386/i386.c (m_GOLDMONT): Define.
23971	(processor_target_table): Add "goldmont".
23972	(PTA_GOLDMONT): Define.
23973	(ix86_lea_outperforms): Add TARGET_GOLDMONT.
23974	(get_builtin_code_for_version): Handle PROCESSOR_GOLDMONT.
23975	(fold_builtin_cpu): Add M_INTEL_GOLDMONT.
23976	(fold_builtin_cpu): Add "goldmont".
23977	(ix86_add_stmt_cost): Add TARGET_GOLDMONT.
23978	(ix86_option_override_internal): Add "goldmont".
23979	* config/i386/i386.h (processor_costs): Define TARGET_GOLDMONT.
23980	(processor_type): Add PROCESSOR_GOLDMONT.
23981	* config/i386/i386.md: Add CPU "glm".
23982	* config/i386/glm.md: New file.
23983	* config/i386/x86-tune.def: Add m_GOLDMONT.
23984	* doc/invoke.texi: Add goldmont as x86 -march=/-mtune= CPU type.
23985
239862018-05-08  Jakub Jelinek  <jakub@redhat.com>
23987
23988	PR target/85572
23989	* config/i386/i386.c (ix86_expand_sse2_abs): Handle E_V2DImode and
23990	E_V4DImode.
23991	* config/i386/sse.md (abs<mode>2): Use VI_AVX2 iterator instead of
23992	VI1248_AVX512VL_AVX512BW.  Handle V2DImode and V4DImode if not
23993	TARGET_AVX512VL using ix86_expand_sse2_abs.  Formatting fixes.
23994
23995	PR target/85317
23996	* config/i386/i386.c (ix86_fold_builtin): Handle
23997	IX86_BUILTIN_{,P}MOVMSK{PS,PD,B}{,128,256}.
23998
23999	PR target/85480
24000	* config/i386/sse.md (ssequaterinsnmode): New mode attribute.
24001	(*<extract_type>_vinsert<shuffletype><extract_suf>_0): New pattern.
24002
240032018-05-08  Richard Earnshaw  <rearnsha@arm.com>
24004
24005	PR target/85658
24006	* config/arm/parsecpu.awk (check_cpu): Fix operator precedence.
24007	(check_arch): Likewise.
24008	(check_fpu): Return the result rather than printing it.
24009	(end arch): Fix operator precedence.
24010	(end cpu): Likewise.
24011	(END): Print the result from check_fpu.
24012
240132018-05-08  Richard Sandiford  <richard.sandiford@linaro.org>
24014	    Alan Hayward  <alan.hayward@arm.com>
24015	    David Sherwood  <david.sherwood@arm.com>
24016
24017	* config/aarch64/aarch64-sve.md (*pred_cmp<cmp_op><mode>_combine)
24018	(*pred_cmp<cmp_op><mode>, *fcm<cmp_op><mode>_and_combine)
24019	(*fcmuo<mode>_and_combine, *fcm<cmp_op><mode>_and)
24020	(*fcmuo<mode>_and): New patterns.
24021
240222018-05-08  Richard Sandiford  <richard.sandiford@linaro.org>
24023
24024	* config/aarch64/iterators.md (UNSPEC_COND_LO, UNSPEC_COND_LS)
24025	(UNSPEC_COND_HI, UNSPEC_COND_HS, UNSPEC_COND_UO): Delete.
24026	(SVE_INT_CMP, SVE_FP_CMP): New code iterators.
24027	(cmp_op, sve_imm_con): New code attributes.
24028	(SVE_COND_INT_CMP, imm_con): Delete.
24029	(cmp_op): Remove above unspecs from int attribute.
24030	* config/aarch64/aarch64-sve.md (*vec_cmp<cmp_op>_<mode>): Rename
24031	to...
24032	(*cmp<cmp_op><mode>): ...this.  Use UNSPEC_MERGE_PTRUE instead of
24033	comparison-specific unspecs.
24034	(*vec_cmp<cmp_op>_<mode>_ptest): Rename to...
24035	(*cmp<cmp_op><mode>_ptest): ...this and adjust likewise.
24036	(*vec_cmp<cmp_op>_<mode>_cc): Rename to...
24037	(*cmp<cmp_op><mode>_cc): ...this and adjust likewise.
24038	(*vec_fcm<cmp_op><mode>): Rename to...
24039	(*fcm<cmp_op><mode>): ...this and adjust likewise.
24040	(*vec_fcmuo<mode>): Rename to...
24041	(*fcmuo<mode>): ...this and adjust likewise.
24042	(*pred_fcm<cmp_op><mode>): New pattern.
24043	* config/aarch64/aarch64.c (aarch64_emit_unop, aarch64_emit_binop)
24044	(aarch64_emit_sve_ptrue_op, aarch64_emit_sve_ptrue_op_cc): New
24045	functions.
24046	(aarch64_unspec_cond_code): Remove handling of LTU, GTU, LEU, GEU
24047	and UNORDERED.
24048	(aarch64_gen_unspec_cond, aarch64_emit_unspec_cond): Delete.
24049	(aarch64_emit_sve_predicated_cond): New function.
24050	(aarch64_expand_sve_vec_cmp_int): Use aarch64_emit_sve_ptrue_op_cc.
24051	(aarch64_emit_unspec_cond_or): Replace with...
24052	(aarch64_emit_sve_or_conds): ...this new function.  Use
24053	aarch64_emit_sve_ptrue_op for the individual comparisons and
24054	aarch64_emit_binop to OR them together.
24055	(aarch64_emit_inverted_unspec_cond): Replace with...
24056	(aarch64_emit_sve_inverted_cond): ...this new function.  Use
24057	aarch64_emit_sve_ptrue_op for the comparison and
24058	aarch64_emit_unop to invert the result.
24059	(aarch64_expand_sve_vec_cmp_float): Update after the above
24060	changes.  Use aarch64_emit_sve_ptrue_op for native comparisons.
24061
240622018-05-07  Nathan Sidwell  <nathan@acm.org>
24063
24064	* doc/invoke.texi (C++ Dialect Options): Remove -ffor-scope.
24065	* doc/extend.texi (Deprecated Features): Remove -fno-for-scope
24066	(Backwards Compatibility): Likewise.
24067
240682018-05-07  Luis Machado  <luis.machado@linaro.org>
24069
24070	PR bootstrap/85681
24071	Revert:
24072	2018-05-07  Luis Machado  <luis.machado@linaro.org>
24073
24074	* config/aarch64/aarch64-protos.h (cpu_prefetch_tune)
24075	<prefetch_dynamic_strides>: New const bool field.
24076	* config/aarch64/aarch64.c (generic_prefetch_tune): Update to include
24077	prefetch_dynamic_strides.
24078	(exynosm1_prefetch_tune): Likewise.
24079	(thunderxt88_prefetch_tune): Likewise.
24080	(thunderx_prefetch_tune): Likewise.
24081	(thunderx2t99_prefetch_tune): Likewise.
24082	(qdf24xx_prefetch_tune): Likewise. Set prefetch_dynamic_strides
24083	to false.
24084	(aarch64_override_options_internal): Update to set
24085	PARAM_PREFETCH_DYNAMIC_STRIDES.
24086	* doc/invoke.texi (prefetch-dynamic-strides): Document new option.
24087	* params.def (PARAM_PREFETCH_DYNAMIC_STRIDES): New.
24088	* params.h (PARAM_PREFETCH_DYNAMIC_STRIDES): Define.
24089	* tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Account for
24090	prefetch-dynamic-strides setting.
24091
24092	2018-05-07  Luis Machado  <luis.machado@linaro.org>
24093
24094	* config/aarch64/aarch64-protos.h (cpu_prefetch_tune)
24095	<minimum_stride>: New const int field.
24096	* config/aarch64/aarch64.c (generic_prefetch_tune): Update to include
24097	minimum_stride field.
24098	(exynosm1_prefetch_tune): Likewise.
24099	(thunderxt88_prefetch_tune): Likewise.
24100	(thunderx_prefetch_tune): Likewise.
24101	(thunderx2t99_prefetch_tune): Likewise.
24102	(qdf24xx_prefetch_tune): Likewise. Set minimum_stride to 2048.
24103	(aarch64_override_options_internal): Update to set
24104	PARAM_PREFETCH_MINIMUM_STRIDE.
24105	* doc/invoke.texi (prefetch-minimum-stride): Document new option.
24106	* params.def (PARAM_PREFETCH_MINIMUM_STRIDE): New.
24107	* params.h (PARAM_PREFETCH_MINIMUM_STRIDE): Define.
24108	* tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Return false if
24109	stride is constant and is below the minimum stride threshold.
24110
241112018-05-07  Luis Machado  <luis.machado@linaro.org>
24112
24113	* config/aarch64/aarch64.c (qdf24xx_prefetch_tune) <l2_cache_size>: Set
24114	to 512.
24115
241162018-05-07  Luis Machado  <luis.machado@linaro.org>
24117
24118	* config/aarch64/aarch64-protos.h (cpu_prefetch_tune)
24119	<prefetch_dynamic_strides>: New const bool field.
24120	* config/aarch64/aarch64.c (generic_prefetch_tune): Update to include
24121	prefetch_dynamic_strides.
24122	(exynosm1_prefetch_tune): Likewise.
24123	(thunderxt88_prefetch_tune): Likewise.
24124	(thunderx_prefetch_tune): Likewise.
24125	(thunderx2t99_prefetch_tune): Likewise.
24126	(qdf24xx_prefetch_tune): Likewise. Set prefetch_dynamic_strides
24127	to false.
24128	(aarch64_override_options_internal): Update to set
24129	PARAM_PREFETCH_DYNAMIC_STRIDES.
24130	* doc/invoke.texi (prefetch-dynamic-strides): Document new option.
24131	* params.def (PARAM_PREFETCH_DYNAMIC_STRIDES): New.
24132	* params.h (PARAM_PREFETCH_DYNAMIC_STRIDES): Define.
24133	* tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Account for
24134	prefetch-dynamic-strides setting.
24135
241362018-05-07  Luis Machado  <luis.machado@linaro.org>
24137
24138	* config/aarch64/aarch64-protos.h (cpu_prefetch_tune)
24139	<minimum_stride>: New const int field.
24140	* config/aarch64/aarch64.c (generic_prefetch_tune): Update to include
24141	minimum_stride field.
24142	(exynosm1_prefetch_tune): Likewise.
24143	(thunderxt88_prefetch_tune): Likewise.
24144	(thunderx_prefetch_tune): Likewise.
24145	(thunderx2t99_prefetch_tune): Likewise.
24146	(qdf24xx_prefetch_tune): Likewise. Set minimum_stride to 2048.
24147	(aarch64_override_options_internal): Update to set
24148	PARAM_PREFETCH_MINIMUM_STRIDE.
24149	* doc/invoke.texi (prefetch-minimum-stride): Document new option.
24150	* params.def (PARAM_PREFETCH_MINIMUM_STRIDE): New.
24151	* params.h (PARAM_PREFETCH_MINIMUM_STRIDE): Define.
24152	* tree-ssa-loop-prefetch.c (should_issue_prefetch_p): Return false if
24153	stride is constant and is below the minimum stride threshold.
24154
241552018-05-06  Jakub Jelinek  <jakub@redhat.com>
24156
24157	PR c++/85659
24158	* cfgexpand.c (expand_asm_stmt): Don't create a temporary if
24159	the type is addressable.  Don't force op into register if it has
24160	BLKmode.
24161
241622018-05-05  Roland McGrath  <mcgrathr@google.com>
24163
24164	PR other/77609
24165	* varasm.c (default_section_type_flags): Set SECTION_NOTYPE for
24166	any section for which we don't know a specific type it should have,
24167	regardless of name.  Previously this was done only for the exact
24168	names ".init_array", ".fini_array", and ".preinit_array".
24169	(default_elf_asm_named_section): Add comment about
24170	relationship with default_section_type_flags and SECTION_NOTYPE.
24171	(get_section): Don't consider it a type conflict if one side has
24172	SECTION_NOTYPE and the other doesn't, as long as neither has the
24173	SECTION_BSS et al used in the default_section_type_flags logic.
24174
241752018-05-05  Tom de Vries  <tom@codesourcery.com>
24176
24177	PR target/85653
24178	* config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG_3): Define.
24179	(workaround_barsyncs): New function.
24180	(nvptx_reorg): Use workaround_barsyncs.
24181	* config/nvptx/nvptx.md (define_c_enum "unspecv"): Add UNSPECV_MEMBAR.
24182	(define_expand "nvptx_membar_cta"): New define_expand.
24183	(define_insn "*nvptx_membar_cta"): New insn.
24184
241852018-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
24186
24187	* brig-builtins.def: Add consts to ptrs etc. in BRIG builtin defs.
24188	To improve optimization opportunities.
24189	* builtin-types.def: The new needed builtin types for the above.
24190
241912018-05-04  Richard Biener  <rguenther@suse.de>
24192
24193	* bb-reorder.c (sanitize_hot_paths): Release hot_bbs_to_check.
24194	* gimple-ssa-store-merging.c
24195	(imm_store_chain_info::output_merged_store): Remove redundant create,
24196	release split_store vector contents on failure.
24197	* tree-vect-slp.c (vect_schedule_slp_instance): Avoid leaking
24198	scalar stmt vector on cache hit.
24199
242002018-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
24201
24202	* common/config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
24203	Xilinx FP support.
24204	* config.gcc (powerpc-xilinx-eabi*): Remove.
24205	* config/rs6000/predicates.md (easy_fp_constant): Remove Xilinx FP
24206	support.
24207	(fusion_addis_mem_combo_load): Ditto.
24208	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove Xilinx
24209	FP support.
24210	(rs6000_cpu_cpp_builtins): Ditto.
24211	* config/rs6000/rs6000-linux.c
24212	(rs6000_linux_float_exceptions_rounding_supported_p): Ditto.
24213	* config/rs6000/rs6000-opts.h (enum fpu_type_t): Delete.
24214	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove Xilinx FP
24215	support.
24216	(rs6000_setup_reg_addr_masks): Ditto.
24217	(rs6000_init_hard_regno_mode_ok): Ditto.
24218	(rs6000_option_override_internal): Ditto.
24219	(legitimate_lo_sum_address_p): Ditto.
24220	(rs6000_legitimize_address): Ditto.
24221	(rs6000_legitimize_reload_address): Ditto.
24222	(rs6000_legitimate_address_p): Ditto.
24223	(abi_v4_pass_in_fpr): Ditto.
24224	(setup_incoming_varargs): Ditto.
24225	(rs6000_gimplify_va_arg): Ditto.
24226	(rs6000_split_multireg_move): Ditto.
24227	(rs6000_savres_strategy): Ditto.
24228	(rs6000_emit_prologue_components): Ditto.
24229	(rs6000_emit_epilogue_components): Ditto.
24230	(rs6000_emit_prologue): Ditto.
24231	(rs6000_emit_epilogue): Ditto.
24232	(rs6000_elf_file_end): Ditto.
24233	(rs6000_function_value): Ditto.
24234	(rs6000_libcall_value): Ditto.
24235	* config/rs6000/rs6000.h: Ditto.
24236	(TARGET_MINMAX_SF, TARGET_MINMAX_DF): Delete, merge to ...
24237	(TARGET_MINMAX): ... this.  New.
24238	(TARGET_SF_FPR, TARGET_DF_FPR, TARGET_SF_INSN, TARGET_DF_INSN): Delete.
24239	* config/rs6000/rs6000.md: Remove Xilinx FP support.
24240	(*movsi_internal1_single): Delete.
24241	* config/rs6000/rs6000.opt (msingle-float, mdouble-float, msimple-fpu,
24242	mfpu=, mxilinx-fpu): Delete.
24243	* config/rs6000/singlefp.h: Delete.
24244	* config/rs6000/sysv4.h: Remove Xilinx FP support.
24245	* config/rs6000/t-rs6000: Ditto.
24246	* config/rs6000/t-xilinx: Delete.
24247	* config/rs6000/titan.md: Adjust for fp_type removal.
24248	* config/rs6000/vsx.md: Remove Xilinx FP support.
24249	(VStype_simple): Delete.
24250	(VSfptype_simple, VSfptype_mul, VSfptype_div, VSfptype_sqrt): Delete.
24251	* config/rs6000/xfpu.h: Delete.
24252	* config/rs6000/xfpu.md: Delete.
24253	* config/rs6000/xilinx.h: Delete.
24254	* config/rs6000/xilinx.opt: Delete.
24255	* doc/invoke.texi (RS/6000 and PowerPC Options): Remove
24256	-msingle-float, -mdouble-float, -msimple-fpu, -mfpu=, and -mxilinx-fpu.
24257
242582018-05-04  Tom de Vries  <tom@codesourcery.com>
24259
24260	PR libgomp/85639
24261	* builtins.c (expand_builtin_goacc_parlevel_id_size): Handle null target
24262	if ignore == 0.
24263
242642018-05-04  Richard Biener  <rguenther@suse.de>
24265
24266	PR middle-end/85627
24267	* tree-complex.c (update_complex_assignment): We are always in SSA form.
24268	(expand_complex_div_wide): Likewise.
24269	(expand_complex_operations_1): Likewise.
24270	(expand_complex_libcall): Preserve EH info of the original stmt.
24271	(tree_lower_complex): Handle removed blocks.
24272	* tree.c (build_common_builtin_nodes): Do not set ECF_NOTRHOW
24273	on complex multiplication and division libcall builtins.
24274
242752018-05-04  Richard Biener  <rguenther@suse.de>
24276
24277	PR middle-end/85574
24278	* fold-const.c (negate_expr_p): Restrict negation of operand
24279	zero of a division to when we know that can happen without
24280	overflow.
24281	(fold_negate_expr_1): Likewise.
24282
242832018-05-04  Jakub Jelinek  <jakub@redhat.com>
24284
24285	PR libstdc++/85466
24286	* real.h (real_nextafter): Declare.
24287	* real.c (real_nextafter): New function.
24288	* fold-const-call.c (fold_const_nextafter): New function.
24289	(fold_const_call_sss): Call it for CASE_CFN_NEXTAFTER and
24290	CASE_CFN_NEXTTOWARD.
24291	(fold_const_call_1): For CASE_CFN_NEXTTOWARD call fold_const_call_sss
24292	even when arg1_mode is different from arg0_mode.
24293
242942018-05-03  Nathan Sidwell  <nathan@acm.org>
24295
24296	* doc/extend.texi (Deprecated Features): Remove
24297	-ffriend-injection.
24298	(Backwards Compatibility): Likewise.
24299	* doc/invoke.texi (C++ Language Options): Likewise.
24300	(C++ Dialect Options): Likewise.
24301
243022018-05-03  Jakub Jelinek  <jakub@redhat.com>
24303
24304	PR target/85530
24305	* config/i386/avx512fintrin.h (_mm512_mullox_epi64,
24306	_mm512_mask_mullox_epi64): New intrinsics.
24307
243082018-05-03  Tom de Vries  <tom@codesourcery.com>
24309
24310	PR testsuite/85106
24311	* doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization
24312	dump files): Add offload-tree.
24313
243142018-05-03  Richard Biener  <rguenther@suse.de>
24315
24316	PR tree-optimization/85615
24317	* tree-ssa-threadupdate.c (thread_block_1): Only allow exits
24318	to loops not nested in BBs loop father to avoid creating multi-entry
24319	loops.
24320
243212018-05-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24322
24323	PR tree-optimization/70291
24324	* tree-complex.c (expand_complex_libcall): Add type, inplace_p
24325	arguments.  Change return type to tree.  Emit libcall as a new
24326	statement rather than replacing existing one when inplace_p is true.
24327	(expand_complex_multiplication_components): New function.
24328	(expand_complex_multiplication): Expand floating-point complex
24329	multiplication using the above.
24330	(expand_complex_division): Rename inner_type parameter to type.
24331	Update expand_complex_libcall call-site.
24332	(expand_complex_operations_1): Update expand_complex_multiplication
24333	and expand_complex_division call-sites.
24334
243352018-05-02  Jakub Jelinek  <jakub@redhat.com>
24336
24337	PR target/85582
24338	* config/i386/i386.md (*ashl<dwi>3_doubleword_mask,
24339	*ashl<dwi>3_doubleword_mask_1, *<shift_insn><dwi>3_doubleword_mask,
24340	*<shift_insn><dwi>3_doubleword_mask_1): In condition require that
24341	the highest significant bit of the shift count mask is clear.  In
24342	check whether and[sq]i3 is needed verify that all significant bits
24343	of the shift count other than the highest are set.
24344
243452018-05-02  Tom de Vries  <tom@codesourcery.com>
24346
24347	PR libgomp/82428
24348	* builtins.def (DEF_GOACC_BUILTIN_ONLY): Define.
24349	* omp-builtins.def (BUILT_IN_GOACC_PARLEVEL_ID)
24350	(BUILT_IN_GOACC_PARLEVEL_SIZE): New builtin.
24351	* builtins.c (expand_builtin_goacc_parlevel_id_size): New function.
24352	(expand_builtin): Call expand_builtin_goacc_parlevel_id_size.
24353	* doc/extend.texi (Other Builtins): Add __builtin_goacc_parlevel_id and
24354	__builtin_goacc_parlevel_size.
24355
243562018-05-02  Richard Biener  <rguenther@suse.de>
24357
24358	PR tree-optimization/85597
24359	* tree-vect-stmts.c (vectorizable_operation): For ternary SLP
24360	do not use split vect_get_vec_defs call but call vect_get_slp_defs
24361	directly.
24362
243632018-05-02  Tom de Vries  <tom@codesourcery.com>
24364
24365	PR testsuite/85106
24366	* doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization
24367	dump files): Add ltrans-tree.
24368
243692018-05-02  Tom de Vries  <tom@codesourcery.com>
24370
24371	PR testsuite/85106
24372	* doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization
24373	dump files): Add wpa-ipa.
24374
243752018-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
24376
24377	* config.gcc (powerpc*-*-*): Remove paired.h.  Unsupport the
24378	powerpc*-*-linux*paired* target.
24379	* config/rs6000/750cl.h: Delete.
24380	* config/rs6000/paired.h: Delete.
24381	* config/rs6000/paired.md: Delete.
24382	* config/rs6000/predicates.md (easy_vector_constant): Remove paired
24383	float support.
24384	* config/rs6000/rs6000-builtin.def: Remove paired float support.
24385	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
24386	comment.  Remove paired float support.
24387	* config/rs6000/rs6000-modes.def: Remove V2SF and V2SI.
24388	* config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete
24389	VECTOR_PAIRED.
24390	* config/rs6000/rs6000-protos.h (paired_expand_vector_init,
24391	paired_emit_vector_cond_expr, paired_expand_vector_move): Delete
24392	declarations.
24393	* config/rs6000/rs6000.c: Remove paired float support.
24394	(paired_expand_vector_init, paired_expand_vector_move,
24395	paired_emit_vector_compare, paired_emit_vector_cond_expr,
24396	(paired_expand_lv_builtin, paired_expand_stv_builtin,
24397	paired_expand_builtin, paired_expand_predicate_builtin,
24398	paired_init_builtins): Delete.
24399	* config/rs6000/rs6000.h: Remove paired float support.
24400	* config/rs6000/rs6000.md: Remove paired float support.
24401	(move_from_CR_ov_bit): Delete.
24402	* config/rs6000/rs6000.opt (mpaired): Delete.
24403	* config/rs6000/t-rs6000: Remove paired.md from MD_INCLUDES.
24404	* doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mpaired.
24405
244062018-05-02  Richard Biener  <rguenther@suse.de>
24407
24408	PR middle-end/85567
24409	* gimplify.c (gimplify_save_expr): When in SSA form allow
24410	SAVE_EXPRs to compute to SSA vars.
24411
244122018-05-02  Jakub Jelinek  <jakub@redhat.com>
24413
24414	PR target/85582
24415	* config/i386/i386.md (*ashl<dwi>3_doubleword_mask,
24416	*ashl<dwi>3_doubleword_mask_1, *<shift_insn><dwi>3_doubleword_mask,
24417	*<shift_insn><dwi>3_doubleword_mask_1): If and[sq]i3 is needed, don't
24418	clobber operands[2], instead use a new pseudo.  Formatting fixes.
24419
244202018-05-02  Richard Sandiford  <richard.sandiford@linaro.org>
24421
24422	PR tree-optimization/85586
24423	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Only
24424	exit early for statements in the same group if the accesses are
24425	not strided.
24426
244272018-05-02  Tom de Vries  <tom@codesourcery.com>
24428
24429	PR lto/85451
24430	* lto-wrapper.c (compile_offload_image): Add "could not find mkoffload"
24431	error message.
24432
244332018-05-01  Marc Glisse  <marc.glisse@inria.fr>
24434
24435	PR tree-optimization/85143
24436	* match.pd (A<B&A<C): Extend to BIT_IOR_EXPR.
24437
244382018-05-01  Tom de Vries  <tom@codesourcery.com>
24439
24440	PR lto/85451
24441	* config/nvptx/mkoffload.c (main): Suggest using -B in "offload compiler
24442	not found" error message.
24443
244442018-05-01  Tom de Vries  <tom@codesourcery.com>
24445
24446	PR other/83786
24447	* vec.h	(VEC_ORDERED_REMOVE_IF, VEC_ORDERED_REMOVE_IF_FROM_TO): Define.
24448	* vec.c (test_ordered_remove_if): New function.
24449	(vec_c_tests): Call test_ordered_remove_if.
24450	* dwarf2cfi.c (connect_traces): Use VEC_ORDERED_REMOVE_IF_FROM_TO.
24451	* lto-streamer-out.c (prune_offload_funcs): Use VEC_ORDERED_REMOVE_IF.
24452	* tree-vect-patterns.c (vect_pattern_recog_1): Use
24453	VEC_ORDERED_REMOVE_IF.
24454
244552018-05-01  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
24456
24457	PR tree-optimization/82665
24458	* vr-values.c (vr_values::extract_range_from_binary_expr): Handle
24459	pointer subtraction where arguments come from a memchr call.
24460
244612018-05-01  Jakub Jelinek  <jakub@redhat.com>
24462
24463	* configure.ac (LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION): Use
24464	--push-state --as-needed and --pop-state instead of --as-needed and
24465	--no-as-needed if ld supports it.
24466	* configure: Regenerated.
24467
24468	PR web/85578
24469	* doc/install.texi2html: Replace _002d with - and _002a with * in
24470	generated html files using sed.
24471
244722018-04-30  David Malcolm  <dmalcolm@redhat.com>
24473
24474	PR c++/85523
24475	* gcc-rich-location.c (blank_line_before_p): New function.
24476	(use_new_line): New function.
24477	(gcc_rich_location::add_fixit_insert_formatted): New function.
24478	* gcc-rich-location.h
24479	(gcc_rich_location::add_fixit_insert_formatted): New function.
24480
244812018-04-30  David Malcolm  <dmalcolm@redhat.com>
24482
24483	* selftest.c (assert_streq): Rename "expected" and "actual" to
24484	"val1" and "val2".  Extend NULL-handling to cover both inputs
24485	symmetrically, while still requiring both to be non-NULL for a pass.
24486	* selftest.h (assert_streq): Rename "expected" and "actual" to
24487	"val1" and "val2".
24488	(ASSERT_EQ): Likewise.
24489	(ASSERT_EQ_AT): Likewise.
24490	(ASSERT_KNOWN_EQ): Likewise.
24491	(ASSERT_KNOWN_EQ_AT): Likewise.
24492	(ASSERT_NE): Likewise.
24493	(ASSERT_MAYBE_NE): Likewise.
24494	(ASSERT_MAYBE_NE_AT): Likewise.
24495	(ASSERT_STREQ): Likewise.  Clarify that both must be non-NULL for
24496	the assertion to pass.
24497	(ASSERT_STREQ_AT): Likewise.
24498
244992018-04-30  Jonathan Wakely  <jwakely@redhat.com>
24500
24501	* doc/invoke.texi (-fpie, -fPIE): Fix grammar and clarify
24502	interaction with -pie.
24503
245042018-04-30  David Malcolm  <dmalcolm@redhat.com>
24505
24506	* selftest.h: Fix alphabetization of per-source-file selftest
24507	declarations.
24508
245092018-04-30  Jason Merrill  <jason@redhat.com>
24510
24511	PR c++/61982 - dead stores to destroyed objects.
24512	* gimplify.c (gimplify_modify_expr): Simplify complex lvalue on LHS
24513	of clobber.
24514
245152018-04-30  Jason Merrill  <jason@redhat.com>
24516
24517	* tree.c (build_clobber): New.
24518	* tree.h: Declare it.
24519	* gimplify.c (gimplify_bind_expr, gimplify_target_expr): Use it.
24520
245212018-04-30  David Malcolm  <dmalcolm@redhat.com>
24522
24523	* diagnostic-show-locus.c (layout::layout): Update for
24524	location_get_source_line returning a char_span.
24525	(struct char_span): Move to input.h.
24526	(struct correction): Update for fields in char_span becoming
24527	private.
24528	(struct source_line): Update for location_get_source_line
24529	returning a char_span.
24530	(layout::print_line): Likewise.
24531	* edit-context.c (edited_file::print_content): Likewise.
24532	(edited_file::print_diff_hunk): Likewise.
24533	(edited_file::print_run_of_changed_lines): Likewise.
24534	(edited_file::get_num_lines): Likewise.
24535	(edited_line::edited_line): Likewise.
24536	* final.c (asm_show_source): Likewise.
24537	* input.c (location_get_source_line): Convert return type
24538	from const char * to char_span, losing the final "line_len"
24539	param.
24540	(dump_location_info): Update for the above.
24541	(get_substring_ranges_for_loc): Likewise.  Use a char_span
24542	when handling the literal within the line.
24543	(test_reading_source_line): Update for location_get_source_line
24544	returning a char_span.
24545	* input.h (class char_span): Move here from
24546	diagnostic-show-locus.c, converting from a struct to a class.
24547	Make data members private.
24548	(char_span::operator bool): New.
24549	(char_span::length): New.
24550	(char_span::get_buffer): New.
24551	(char_span::operator[]): New.
24552	(char_span::subspan): Make const.
24553	(char_span::xstrdup): New.
24554	(location_get_source_line): Convert return type from const char *
24555	to char_span, losing the final "line_size" param.
24556
245572018-04-30  Jan Hubicka  <jh@suse.cz>
24558
24559	* lto-wrapper.c (ltrans_priorities): New static var.
24560	(cmp_priority): New.
24561	(run_gcc): Read priorities and if doing parallel build order
24562	the Makefile by them.
24563
245642018-04-30  David Malcolm  <dmalcolm@redhat.com>
24565
24566	* input.h (builtins_location_check): Convert to a STATIC_ASSERT.
24567
245682018-04-30  Richard Biener  <rguenther@suse.de>
24569
24570	* tree-cfg.c (verify_address): Remove base argument, add
24571	flag whether to check TREE_ADDRESSABLE and do that.
24572	(verify_expr): Remove.
24573	(verify_types_in_gimple_reference): Add pieces from verify_expr.
24574	(verify_gimple_assign_single): Likewise.
24575	(verify_gimple_switch): Likewise.
24576	(verify_expr_location_1): Dereference tp once.  Add (disabled)
24577	piece from verify_expr.
24578	(verify_gimple_in_cfg): Do not call verify_expr on all ops.
24579
245802018-04-30  Claudiu Zissulescu  <claziss@synopsys.com>
24581
24582	* config/arc/linux.h (CLEAR_INSN_CACHE): Define.
24583
245842018-04-30  Claudiu Zissulescu  <claziss@synopsys.com>
24585
24586	* config/arc/arc-protos.h (prepare_extend_operands): Remove.
24587	(small_data_pattern): Likewise.
24588	(arc_rewrite_small_data): Likewise.
24589	* config/arc/arc.c (LEGITIMATE_SMALL_DATA_OFFSET_P): Remove.
24590	(LEGITIMATE_SMALL_DATA_ADDRESS_P): Likewise.
24591	(get_symbol_alignment): New function.
24592	(legitimate_small_data_address_p): Likewise.
24593	(legitimate_scaled_address): Update, call
24594	legitimate_small_data_address_p.
24595	(output_sdata): New static variable.
24596	(arc_print_operand): Update how we handle small data operands.
24597	(arc_print_operand_address): Likewise.
24598	(arc_legitimate_address_p): Update, use
24599	legitimate_small_data_address_p.
24600	(arc_rewrite_small_data_p): Remove.
24601	(arc_rewrite_small_data_1): Likewise.
24602	(arc_rewrite_small_data): Likewise.
24603	(small_data_pattern): Likewise.
24604	(compact_sda_memory_operand): Update to use
24605	legitimate_small_data_address_p and get_symbol_alignment.
24606	(prepare_move_operands): Don't rewite sdata pattern.
24607	(prepare_extend_operands): Remove.
24608	* config/arc/arc.md (zero_extendqihi2): Don't rewrite sdata
24609	pattern.
24610	(zero_extendqisi2): Likewise.
24611	(zero_extendhisi2): Likewise.
24612	(extendqihi2): Likewise.
24613	(extendqisi2): Likewise.
24614	(extendhisi2): Likewise.
24615	(addsi3): Likewise.
24616	(subsi3): Likewise.
24617	(andsi3): Likewise.
24618	* config/arc/constraints.md (Usd): Change it to memory constraint.
24619
246202018-04-30  Claudiu Zissulescu  <claziss@synopsys.com>
24621
24622	* config/arc/arc.c (arc_split_move): Allow signed 6-bit constants
24623	as source of std instructions.
24624	* config/arc/arc.md (movsi_insn): Update pattern predicate to
24625	allow 6-bit constants as source for store instructions.
24626	(movdi_insn): Update instruction pattern to allow 6-bit constants
24627	as source for store instructions.
24628
246292018-04-30  Jonathan Wakely  <jwakely@redhat.com>
24630
24631	* doc/invoke.texi (-fdebug-types-section): Fix grammar.
24632
246332018-04-30  Nathan Sidwell  <nathan@acm.org>
24634	    Sandra Loosemore  <sandra@codesourcery.com>
24635
24636	* dumpfile.c (dump_open): Allow '-' for stdout.
24637	* doc/invoke.texi (Developer Options): Document dump filename
24638	determination early.  Document stdin/stdout selection.
24639
246402018-04-30  Andrew Sadek  <andrew.sadek.se@gmail.com>
24641
24642	Microblaze Target: PIC data text relative
24643
24644	* config/microblaze/microblaze.opt: add new option -mpic-data-text-rel.
24645	* config/microblaze/microblaze-protos.h (microblaze_constant_address_p):
24646	Add declaration.
24647	* config/microblaze/microblaze.h (microblaze_constant_address_p):
24648	CONSTANT_ADDRESS_P definition to microblaze_constant_address_p.
24649	* config/microblaze/microblaze.c (TARGET_PIC_DATA_TEXT_REL):
24650	New addressing mode for data-text relative position indepenedent code.
24651	(microblaze_classify_unspec): add 'UNSPEC_TEXT' case ->
24652	'ADDRESS_SYMBOLIC_TXT_REL'.
24653	(microblaze_classify_address): Add handling for UNSPEC + CONST_INT.
24654	(microblaze_legitimate_pic_operand): Exclude function calls from
24655	pic operands in case of TARGET_PIC_DATA_TEXT_REL option.
24656	(microblaze_legitimize_address): Generate 'UNSPEC_TEXT' for all possible
24657	addresses cases.
24658	(microblaze_address_insns): Add 'ADDRESS_SYMBOLIC_TXT_REL' case.
24659	(print_operand): Add 'ADDRESS_SYMBOLIC_TXT_REL' case.
24660	(print_operand_address): Add 'ADDRESS_SYMBOLIC_TXT_REL' case + handling
24661	for 'address + offset'.
24662	(microblaze_expand_prologue): Add new function prologue call for
24663	'r20' assignation.
24664	(microblaze_asm_generate_pic_addr_dif_vec): Override new target hook
24665	'TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC' to disable address diff vector
24666	table in case of TARGET_PIC_DATA_TEXT_REL.
24667	(expand_pic_symbol_ref): Add handling for 'UNSPEC_TEXT'.
24668	* config/microblaze/microblaze.md (TARGET_PIC_DATA_TEXT_REL):
24669	Add new macros 'UNSPEC_TEXT',
24670	'UNSPEC_SET_TEXT' + add rule for setting r20 in function prologue
24671	+ exclude function calls from 'UNSPEC_PLT' in case of data text
24672	relative mode.
24673	* doc/tm.texi.in (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC): Add
24674	new target hook for generating address diff vector tables in case of
24675	flag_pic.
24676	* doc/tm.texi : Regenerate.
24677	* stmt.c (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC): Append new condition
24678	'targetm.asm_out.generate_pic_addr_diff_vec' to flag_pic in case
24679	of addr diff vector generation.
24680	* target.def (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC): Add
24681	target hook definition.
24682	* targhooks.h, targhooks.c (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC):
24683	Add default function for generate_pic_addr_diff_vec -> flag_pic.
24684	* doc/invoke.texi (Add new pic option): Add new microblaze pic
24685	option for data text relative.
24686
246872018-04-30  Richard Biener  <rguenther@suse.de>
24688
24689	* tree-chrec.h (evolution_function_is_constant_p): Remove
24690	redundant check.
24691	* tree-cfg.c (tree_node_can_be_shared): Re-order checks.
24692
246932018-04-30  Richard Biener  <rguenther@suse.de>
24694
24695	PR bootstrap/85571
24696	* dwarf2out.c (gen_producer_string): Ignore -fchecking[=].
24697
246982018-04-30  Richard Biener  <rguenther@suse.de>
24699
24700	PR tree-optimization/28364
24701	PR tree-optimization/85275
24702	* tree-ssa-loop-ch.c (ch_base::copy_headers): Stop after
24703	copying first exit test.
24704
247052018-04-28  Mark Wielaard  <mark@klomp.org>
24706
24707	* dwarf2out.c (dwarf2out_finish): Add .debug_addr table header for
24708	dwarf_version >= 5.
24709	(dwarf_AT): Handle DW_AT_addr_base.
24710	(add_top_level_skeleton_die_attrs): Use dwarf_AT for DW_AT_addr_base.
24711
247122018-04-28  Uros Bizjak  <ubizjak@gmail.com>
24713
24714	PR target/84431
24715	* config/i386/i386.md (*ashl<dwi>3_doubleword_mask): New pattern.
24716	(*ashl<dwi>3_doubleword_mask_1): Ditto.
24717	(*<shift_insn><dwi>3_doubleword_mask): Ditto.
24718	(*<shift_insn><dwi>3_doubleword_mask_1): Ditto.
24719
247202018-04-28  Richard Biener  <rguenther@suse.de>
24721
24722	* tree-cfg.c (verify_gimple_phi): Take a gphi * argument.
24723	(verify_gimple_in_cfg): Rename visited_stmts to visited_throwing_stmts
24724	to reflect use.  Only add interesting stmts.
24725
247262018-04-27  Martin Jambor  <mjambor@suse.cz>
24727
24728	PR ipa/85549
24729	* ipa-cp.c (find_aggregate_values_for_callers_subset): Make sure
24730	the jump function allows for passing through aggregate values.
24731
247322018-04-27  David Malcolm  <dmalcolm@redhat.com>
24733
24734	* input.h (in_system_header_at): Convert from macro to inline
24735	function.
24736	(from_macro_expansion_at): Likewise.
24737	(from_macro_definition_at): Likewise.
24738
247392018-04-27  Jeff Law  <law@redhat.com>
24740
24741	* config.gcc: Mark tile* targets as deprecated/obsolete.
24742
247432018-04-27  Richard Biener  <rguenther@suse.de>
24744
24745	* config/aarch64/aarch64.c: Simplify ap.__stack advance and
24746	fix for ILP32.
24747
247482018-04-27  Richard Biener  <rguenther@suse.de>
24749
24750	* tree-cfg.c (verify_expr): Make dead code hit gcc_unreachable.
24751
247522018-04-27  Uros Bizjak  <ubizjak@gmail.com>
24753
24754	* config/i386/i386.md (*movti_internal): Substitute Ye constraint
24755	with Yd constraint. Set "preferred_for_speed" attribute from
24756	TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC for alternatives
24757	with Yd constraint.
24758	(*movdi_internal): Ditto.
24759	(movti_interunit splitters): Remove
24760	TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC from insn condition.
24761	(movdi_interunit splitters): Ditto.
24762	* config/i386/constraints.md (Ye): Remove.
24763	(Yd): Do not depend on TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC.
24764
247652018-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24766
24767	PR target/85512
24768	* config/aarch64/constraints.md (Usg): Limit to 31.
24769	(Usj): Limit to 63.
24770
247712018-04-27  Jakub Jelinek  <jakub@redhat.com>
24772
24773	PR tree-optimization/85529
24774	* tree-ssa-reassoc.c (optimize_range_tests_var_bound): Add FIRST_BB
24775	argument.  Don't call get_nonzero_bits if opcode is ERROR_MARK_NODE,
24776	rhs2 def stmt's bb is dominated by first_bb and it isn't an obvious
24777	zero extension or masking of the MSB bit.
24778	(optimize_range_tests): Add FIRST_BB argument, pass it through
24779	to optimize_range_tests_var_bound.
24780	(maybe_optimize_range_tests, reassociate_bb): Adjust
24781	optimize_range_tests callers.
24782
247832018-04-26  Richard Biener  <rguenther@suse.de>
24784	    Jakub Jelinek  <jakub@redhat.com>
24785
24786	* cgraph.h (symbol_table): Just declare debug method here.
24787	* symtab.c (symbol_table::debug): Define.
24788
247892018-04-26  Eric Botcazou  <ebotcazou@adacore.com>
24790
24791	* loop-invariant.c (may_assign_reg_p): Return false for frame pointer.
24792
247932018-04-26  Uros Bizjak  <ubizjak@gmail.com>
24794
24795	* config/i386/i386.md ("isa" attribute): Add x64_sse2.
24796	("enabled" attribute): Handle x64_sse2 "isa" attribute.
24797	(*movdi_internal): Substitute Yi and Yj constraint with x
24798	and Ym and Yn constraint with y constraint.  Update "isa"
24799	attribute and set "preferred_for_speed" attribute from
24800	TARGET_INTER_UNIT_MOVES_{FROM,TO}_VEC for updated alternatives.
24801	(*movsi_internal): Ditto.
24802	(*movdf_internal): Ditto.
24803	(*movsf_internal): Ditto.
24804	(*zero_extendsidi2): Ditto.
24805	* config/i386/sse.md (vec_set<mode>_0): Ditto.
24806	(sse2_loadld): Ditto.
24807	(*vec_extract<ssevecmodelower>_0): Ditto.
24808	(*vec_extractv4si_0_zext_sse4): Ditto.
24809	(vec_concatv2di): Ditto.
24810	(*vec_dup<mode>): Ditto.
24811	* config/i386/mmx.md (*mov<mode>_internal): Ditto.
24812	* config/i386/constraints.md (Yi): Remove.
24813	(Yj): Remove.
24814	(Ym): Remove.
24815	(Yn): Remove.
24816
248172018-04-26  Nathan Sidwell  <nathan@acm.org>
24818
24819	* dumpfile.c (dump_open): New.
24820	(dump_open_alternate_stream, dump_start, dump_begin): Call it.
24821	(dump_finish): Detect stdio/stderr by value not name.
24822
248232018-04-26  Jonathan Wakely  <jwakely@redhat.com>
24824
24825	* doc/invoke.texi (-Wreturn-type): Document default status for C++.
24826
248272018-04-26  Tom de Vries  <tom@codesourcery.com>
24828
24829	PR target/84952
24830	* config/nvptx/nvptx.c (verify_neutering_jumps)
24831	(verify_neutering_labels): New function
24832	(nvptx_single): Use verify_neutering_jumps and verify_neutering_labels.
24833
248342018-04-26  Tom de Vries  <tom@codesourcery.com>
24835
24836	PR target/84025
24837	* config/nvptx/nvptx.c (needs_neutering_p): New function.
24838	(nvptx_single): Use needs_neutering_p to skip over insns that do not
24839	need neutering.
24840
248412018-04-26  Richard Biener  <rguenther@suse.de>
24842	    Tom de Vries  <tom@codesourcery.com>
24843
24844	PR lto/85422
24845	* lto-streamer-out.c (output_function): Fixup loops if required to match
24846	discovery done in the reader.
24847
248482018-04-26  Richard Biener  <rguenther@suse.de>
24849
24850	PR tree-optimization/85116
24851	* tree-ssa-loop-ch.c (do_while_loop_p): A do-while loop should
24852	have a loop exit from the single latch predecessor.  Remove
24853	case of header with just condition.
24854	(ch_base::copy_headers): Exclude infinite loops from any
24855	processing.
24856	(pass_ch::execute): Record exits.
24857
248582018-04-26  Richard Biener  <rguenther@suse.de>
24859
24860	* tree-vect-data-refs.c (vect_get_data_access_cost): Get
24861	prologue cost vector and pass it to vect_get_load_cost.
24862	(vect_get_peeling_costs_all_drs): Likewise.
24863	(vect_peeling_hash_get_lowest_cost): Likewise.
24864	(vect_enhance_data_refs_alignment): Likewise.
24865
248662018-04-26  Richard Biener  <rguenther@suse.de>
24867
24868	PR middle-end/85450
24869	* tree-cfg.c (verify_gimple_assign_unary): Restore proper
24870	checking of integer<->pointer conversions.
24871	* omp-expand.c (expand_omp_for_static_nochunk): Avoid
24872	sign-/zero-extending pointer types.
24873	(expand_omp_for_static_chunk): Likewise.
24874
248752018-03-22  Hans-Peter Nilsson  <hp@axis.com>
24876	    Jean Lee  <xiaoyur347@gmail.com>
24877
24878	* config/mips/mips.c (mips_asan_shadow_offset): New function.
24879	(TARGET_ASAN_SHADOW_OFFSET): Define.
24880	* config/mips/mips.h (FRAME_GROWS_DOWNWARD): Augment to also be
24881	true for -fsanitize=address.
24882
248832018-04-25  Mark Wielaard  <mark@klomp.org>
24884
24885	* dwarf2out.c (file_info_cmp): Sort longer dir prefixes before
24886	shorter ones.
24887
248882018-04-25  Jakub Jelinek  <jakub@redhat.com>
24889
24890	* config/i386/i386.md (*x86_mov<mode>cc_0_m1): Use type "alu1" rather
24891	than "alu", remove explicit "memory" and "imm_disp" attributes.
24892	(*x86_mov<mode>cc_0_m1_se, *x86_mov<mode>cc_0_m1_neg): Likewise.
24893
24894	PR middle-end/85414
24895	* simplify-rtx.c (simplify_unary_operation_1) <case SIGN_EXTEND,
24896	case ZERO_EXTEND>: Pass SUBREG_REG (op) rather than op to
24897	gen_lowpart_no_emit.
24898
248992018-04-25  Sebastian Peryt  <sebastian.peryt@intel.com>
24900
24901	PR target/85473
24902	* config/i386/i386.c (ix86_expand_builtin): Change memory
24903	operand to XI, extend p0 to Pmode.
24904	* config/i386/i386.md: Change unspec volatile and operand
24905	1 mode to XI, change operand 0 mode to P.
24906
249072018-04-25  Chung-Ju Wu  <jasonwucj@gmail.com>
24908
24909	* config/nds32/nds32-predicates.c (nds32_can_use_bclr_p): Mask with
24910	GET_MODE_MASK before any checking.
24911	(nds32_can_use_bset_p): Likewise.
24912	(nds32_can_use_btgl_p): Likewise.
24913
249142018-04-25  Chung-Ju Wu  <jasonwucj@gmail.com>
24915
24916	* config/nds32/nds32-doubleword.md: New define_split pattern for
24917	illegal register number.
24918
249192018-04-25  Chung-Ju Wu  <jasonwucj@gmail.com>
24920
24921	* config/nds32/nds32.c (nds32_print_operand): Set op_value ealier.
24922
249232018-04-25  Chung-Ju Wu  <jasonwucj@gmail.com>
24924
24925	* config/nds32/nds32.h (ASM_APP_ON): Add missing newline character.
24926
249272018-04-25  Richard Biener  <rguenther@suse.de>
24928
24929	* lto-streamer.h (LTO_major_version): Bump to 8.
24930
249312018-04-25  Jakub Jelinek  <jakub@redhat.com>
24932
24933	* BASE-VER: Set to 9.0.0.
24934
249352018-04-24  Segher Boessenkool  <segher@kernel.crashing.org>
24936
24937	* config/rs6000/rs6000.c (init_float128_ieee): Fix spelling mistakes
24938	in __abskf2 and __powikf2.
24939
249402018-04-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24941
24942	PR target/85512
24943	* config/aarch64/constraints.md (Usg, Usj): New constraints.
24944	* config/aarch64/iterators.md (cmode_simd): New mode attribute.
24945	* config/aarch64/aarch64.md (*aarch64_ashr_sisd_or_int_<mode>3):
24946	Use the above on operand 2.  Reindent.
24947	(*aarch64_lshr_sisd_or_int_<mode>3): Likewise.
24948
249492018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
24950
24951	PR target/85485
24952	* common/config/i386/i386-common.c (ix86_handle_option): Don't
24953	handle OPT_mcet.
24954	* config/i386/i386.opt (mcet): Removed.
24955	* doc/install.texi: Remove -mcet documentation.
24956	* doc/invoke.texi: Likewise.
24957
249582018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
24959
24960	PR target/85485
24961	* doc/install.texi: Remove -mcet from bootstrap-cet.
24962
249632018-04-24  Jakub Jelinek  <jakub@redhat.com>
24964
24965	PR target/85511
24966	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Don't define
24967	__builtin_ia32_readeflags_u32 and __builtin_ia32_writeeflags_u32
24968	if TARGET_64BIT.
24969
24970	PR target/85503
24971	* config/rs6000/rs6000-p8swap.c (const_load_sequence_p): Punt if
24972	const_vector is not CONST_VECTOR or SYMBOL_REF for a constant pool
24973	containing a CONST_VECTOR.
24974
249752018-04-24  Cesar Philippidis  <cesar@codesourcery.com>
24976
24977	* doc/install.texi: Update newlib dependency for nvptx.
24978
249792018-04-24  Jakub Jelinek  <jakub@redhat.com>
24980
24981	PR target/85508
24982	* config/i386/i386.c (ix86_expand_vector_init_one_var): Use UINTVAL
24983	instead of INTVAL when shifting x left.
24984
249852018-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
24986
24987	PR tree-optimization/85478
24988	* tree-vect-loop.c (vect_analyze_loop_2): Do not call
24989	vect_grouped_store_supported for single element vectors.
24990
249912018-04-24  Richard Biener  <rguenther@suse.de>
24992
24993	PR target/85491
24994	* config/i386/i386.c (ix86_add_stmt_cost): Restrict strided
24995	load cost increase to the case of non-constant step.
24996
249972018-04-24  Jakub Jelinek  <jakub@redhat.com>
24998
24999	PR target/84828
25000	* reg-stack.c (move_for_stack_reg): Don't fail assertion about dead
25001	destination if any_malformed_asm.
25002
250032018-04-23  Eric Botcazou  <ebotcazou@adacore.com>
25004
25005	PR middle-end/85496
25006	* expr.c (store_field): In the bitfield case, if the value comes from
25007	a function call and is returned in registers by means of a PARALLEL,
25008	do not change the mode of the temporary unless BLKmode and VOIDmode.
25009
250102018-04-23  Andrey Belevantsev  <abel@ispras.ru>
25011
25012	PR rtl-optimization/85423
25013	* sel-sched-ir.c (has_dependence_note_mem_dep): Only discard
25014	dependencies to debug insns when the previous insn is non-debug.
25015
250162018-04-23  Claudiu Zissulescu  <claziss@synopsys.com>
25017
25018	* config/arc/arc.md ("vunspec"): Delete it, unify all the unspec
25019	enums into a single definition.
25020	(fls): Fix predicates and printing.
25021	(seti): Likewise.
25022
250232018-04-23  Claudiu Zissulescu  <claziss@synopsys.com>
25024
25025	* config/arc/arc-protos.h (check_if_valid_sleep_operand): Remove.
25026	* config/arc/arc.c (arc_expand_builtin): Sleep accepts registers
25027	and short u6 immediate.
25028	(check_if_valid_sleep_operand): Remove.
25029	* config/arc/arc.md (Sleep): Accepts registers and u6 immediates.
25030
250312018-04-22  Chung-Ju Wu  <jasonwucj@gmail.com>
25032
25033	* config/nds32/nds32.c (nds32_compute_stack_frame): Consider
25034	flag_always_save_lp condition.
25035	* config/nds32/nds32.opt (malways-save-lp): New option.
25036
250372018-04-22  Shiva Chen  <shiva0217@gmail.com>
25038
25039	* config/nds32/nds32-protos.h (nds32_use_load_post_increment): Declare.
25040	* config/nds32/nds32.c (nds32_use_load_post_increment): New.
25041	* config/nds32/nds32.h
25042	(USE_LOAD_POST_INCREMENT, USE_LOAD_POST_DECREMENT): Define.
25043	(USE_STORE_POST_INCREMENT, USE_STORE_POST_DECREMENT): Define.
25044
250452018-04-22  Shiva Chen  <shiva0217@gmail.com>
25046
25047	* config/nds32/nds32-protos.h (nds32_ls_333_p): Remove.
25048	* config/nds32/nds32.c (nds32_ls_333_p): Remove.
25049
250502018-04-22  Shiva Chen  <shiva0217@gmail.com>
25051	    Chung-Ju Wu  <jasonwucj@gmail.com>
25052
25053	* config/nds32/nds32-protos.h (nds32_case_vector_shorten_mode):
25054	Declare.
25055	* config/nds32/nds32.c (nds32_case_vector_shorten_mode): New function.
25056	* config/nds32/nds32.h (CASE_VECTOR_SHORTEN_MODE): Modify.
25057
250582018-04-22  Chung-Ju Wu  <jasonwucj@gmail.com>
25059
25060	* config/nds32/nds32.c (nds32_compute_stack_frame): Fix wrong value.
25061
250622018-04-22  Chung-Ju Wu  <jasonwucj@gmail.com>
25063
25064	* config/nds32/nds32-protos.h (nds32_data_alignment,
25065	nds32_local_alignment): Declare.
25066	* config/nds32/nds32.c (nds32_data_alignment, nds32_constant_alignment,
25067	nds32_local_alignment): New functions.
25068	(TARGET_CONSTANT_ALIGNMENT): Define.
25069	* config/nds32/nds32.h (DATA_ALIGNMENT, LOCAL_ALIGNMENT): Define.
25070
250712018-04-22  Chung-Ju Wu  <jasonwucj@gmail.com>
25072
25073	* config/nds32/nds32.c
25074	(TARGET_HARD_REGNO_MODE_OK): Move to the bottom of file.
25075	(TARGET_MODES_TIEABLE_P): Likewise.
25076
250772018-04-22  Chung-Ju Wu  <jasonwucj@gmail.com>
25078
25079	* config/nds32/nds32.c (nds32_asm_file_start): Display optimization
25080	level Ofast and Og.
25081
250822018-04-22  Monk Chiang  <sh.chiang04@gmail.com>
25083	    Chung-Ju Wu  <jasonwucj@gmail.com>
25084
25085	* config/nds32/constants.md (unspec_volatile_element): Add enum values
25086	for unaligned access.
25087	* config/nds32/nds32-intrinsic.c: Implementation of expanding
25088	unaligned access.
25089	* config/nds32/nds32-intrinsic.md: Likewise.
25090	* config/nds32/nds32_intrinsic.h: Likewise.
25091	* config/nds32/nds32.h (nds32_builtins): Likewise.
25092	* config/nds32/nds32.opt (munaligned-access): New option.
25093	* config/nds32/nds32.c (nds32_asm_file_start): Display
25094	flag_unaligned_access status.
25095
250962018-04-20  Kito Cheng  <kito.cheng@gmail.com>
25097
25098	* config/riscv/elf.h (LINK_SPEC): Pass --no-relax if
25099	-mno-relax is present.
25100	* config/riscv/linux.h (LINK_SPEC): Ditto.
25101
251022018-04-20  Martin Sebor  <msebor@redhat.com>
25103
25104	PR c/85365
25105	* gimple-fold.c (gimple_fold_builtin_strcpy): Suppress -Wrestrict
25106	for null pointers.
25107	(gimple_fold_builtin_stxcpy_chk): Same.
25108	* gimple-ssa-warn-restrict.c (check_bounds_or_overlap): Same.
25109
251102018-04-20  Michael Meissner  <meissner@linux.ibm.com>
25111
25112	PR target/85456
25113	* config/rs6000/rs6000.c (init_float128_ieee): Add support to call
25114	__powikf2 when long double is IEEE 128-bit.
25115
251162018-04-20  Kito Cheng  <kito.cheng@gmail.com>
25117
25118	* config/riscv/riscv.c (riscv_first_stack_step): Round up min
25119	step to make sure stack always aligned.
25120
251212018-04-20  Carl Love  <cel@us.ibm.com>
25122
25123	PR target/83402
25124	* config/rs6000/rs6000-c.c (rs6000_gimple_fold_builtin): Add
25125	size check for arg0.
25126
251272018-04-20  Nathan Sidwell  <nathan@codesourcery.com>
25128	    Tom de Vries  <tom@codesourcery.com>
25129
25130	PR target/85445
25131	* config/nvptx/nvptx.c (nvptx_emit_forking, nvptx_emit_joining):
25132	Emit insns for calls too.
25133	(nvptx_find_par): Always look for worker-level predecessor insn.
25134	(nvptx_propagate): Add is_call parm, return bool.  Copy frame for
25135	calls.
25136	(nvptx_vpropagate, nvptx_wpropagate): Adjust.
25137	(nvptx_process_pars): Propagate frames for calls.
25138
251392018-04-20  H.J. Lu  <hongjiu.lu@intel.com>
25140
25141	PR target/85469
25142	* common/config/i386/i386-common.c (OPTION_MASK_ISA_IBT_SET):
25143	Removed.
25144	(OPTION_MASK_ISA_IBT_UNSET): Likewise.
25145	(ix86_handle_option): Don't handle OPT_mibt.
25146	* config/i386/cet.h: Check __CET__ instead of __IBT__ and
25147	__SHSTK__.
25148	* config/i386/driver-i386.c (host_detect_local_cpu): Remove
25149	has_ibt and ibt.
25150	* config/i386/i386-c.c (ix86_target_macros_internal): Don't
25151	check OPTION_MASK_ISA_IBT nor flag_cf_protection.
25152	(ix86_target_macros): Define __CET__ with flag_cf_protection
25153	for -fcf-protection.
25154	* config/i386/i386.c (isa2_opts): Remove -mibt.
25155	* config/i386/i386.h (TARGET_IBT): Removed.
25156	(TARGET_IBT_P): Likewise.
25157	(ix86_valid_target_attribute_inner_p): Don't check OPT_mibt.
25158	* config/i386/i386.md (nop_endbr): Don't check TARGET_IBT.
25159	* config/i386/i386.opt (mcet): Update help message.
25160	(mshstk): Likewise.
25161	(mibt): Removed.
25162	* doc/invoke.texi: Remove -mibt.  Document __CET__.  Document
25163	-mcet as an alias for -mshstk.
25164
251652018-04-20  Richard Biener  <rguenther@suse.de>
25166
25167	PR middle-end/85475
25168	* match.pd ((X * CST) * Y -> (X * Y) * CST): Avoid exponential
25169	complexity by forcing a single use of the multiply operand.
25170
251712018-04-20  Martin Jambor  <mjambor@suse.cz>
25172
25173	ipa/85449
25174	* ipa-cp.c (cgraph_edge_brings_value_p): Move check for self-feeding
25175	recursion dependency to only apply to non-clones.
25176
251772018-04-20  Martin Jambor  <mjambor@suse.cz>
25178
25179	ipa/85447
25180	* ipa-cp.c (create_specialized_node): Check that clones of
25181	self-recursive edges exist during IPA-CP.
25182
251832018-04-19  Toon Moene  <toon@moene.org>
25184
25185	* doc/invoke.texi: Add -floop-unroll-and-jam to options enabled
25186	by -O3.
25187
251882018-04-19  Jakub Jelinek  <jakub@redhat.com>
25189
25190	PR tree-optimization/85467
25191	* fold-const.c (fold_ternary_loc) <case BIT_FIELD_REF>: Use
25192	VECTOR_TYPE_P macro.  If type is vector type, VIEW_CONVERT_EXPR the
25193	VECTOR_CST element to type.
25194
251952018-04-19  H.J. Lu  <hongjiu.lu@intel.com>
25196
25197	PR target/85397
25198	* config/i386/i386.h (STACK_SAVEAREA_MODE): New.
25199	* config/i386/i386.md (builtin_setjmp_setup): Removed.
25200	(builtin_longjmp): Likewise.
25201	(save_stack_nonlocal): New pattern.
25202	(restore_stack_nonlocal): Likewise.
25203
252042018-04-19  H.J. Lu  <hongjiu.lu@intel.com>
25205
25206	PR target/85404
25207	* config/i386/cet.c (file_end_indicate_exec_stack_and_cet):
25208	Replace ASM_OUTPUT_LABEL with fprintf.
25209
252102018-04-19  H.J. Lu  <hongjiu.lu@intel.com>
25211
25212	PR target/85417
25213	* config/i386/cet.c (file_end_indicate_exec_stack_and_cet):
25214	Check flag_cf_protection instead of TARGET_IBT and TARGET_SHSTK.
25215	* config/i386/i386-c.c (ix86_target_macros_internal): Also
25216	define __IBT__ and __SHSTK__ for -fcf-protection.
25217	* config/i386/i386.c (pass_insert_endbranch::gate): Don't check
25218	TARGET_IBT.
25219	(ix86_trampoline_init): Likewise.
25220	(x86_output_mi_thunk): Likewise.
25221	(ix86_notrack_prefixed_insn_p): Likewise.
25222	(ix86_option_override_internal): Don't disallow -fcf-protection.
25223	* config/i386/i386.md (rdssp<mode>): Also enable for
25224	-fcf-protection.
25225	(incssp<mode>): Likewise.
25226	(nop_endbr): Likewise.
25227	* config/i386/i386.opt (mcet): Change help message to built-in
25228	functions only.
25229	(mibt): Likewise.
25230	(mshstk): Likewise.
25231	* doc/invoke.texi: Remove -mcet, -mibt and -mshstk condition
25232	on -fcf-protection.  Change -mcet, -mibt and -mshstk to only
25233	enable CET built-in functions.
25234
252352018-04-19  Sebastian Peryt  <sebastian.peryt@intel.com>
25236
25237	* common/config/i386/i386-common.c
25238	(OPTION_MASK_ISA_MOVDIRI_SET, OPTION_MASK_ISA_MOVDIR64B_SET,
25239	OPTION_MASK_ISA_MOVDIRI_UNSET,
25240	OPTION_MASK_ISA_MOVDIR64B_UNSET): New defines.
25241	(ix86_handle_option): Handle -mmovdiri and -mmovdir64b.
25242	* config.gcc (movdirintrin.h): New header.
25243	* config/i386/cpuid.h (bit_MOVDIRI,
25244	bit_MOVDIR64B): New bits.
25245	* config/i386/driver-i386.c (host_detect_local_cpu): Detect -mmovdiri
25246	and -mmvodir64b.
25247	* config/i386/i386-builtin-types.def ((VOID, PUNSIGNED, UNSIGNED),
25248	(VOID, PVOID, PCVOID)): New function types.
25249	* config/i386/i386-builtin.def (__builtin_ia32_directstoreu_u32,
25250	__builtin_ia32_directstoreu_u64,
25251	__builtin_ia32_movdir64b): New builtins.
25252	* config/i386/i386-c.c (__MOVDIRI__, __MOVDIR64B__): New.
25253	* config/i386/i386.c (ix86_target_string): Added -mmovdir64b
25254	and -mmovdiri.
25255	(ix86_valid_target_attribute_inner_p): Ditto.
25256	(ix86_expand_special_args_builtin): Added VOID_FTYPE_PUNSIGNED_UNSIGNED
25257	and VOID_FTYPE_PUNSIGNED_UNSIGNED.
25258	(ix86_expand_builtin): Expand IX86_BUILTIN_MOVDIR64B.
25259	* config/i386/i386.h (TARGET_MOVDIRI, TARGET_MOVDIRI_P,
25260	TARGET_MOVDIR64B, TARGET_MOVDIR64B_P): New.
25261	* config/i386/i386.md (UNSPECV_MOVDIRI, UNSPECV_MOVDIR64B): New.
25262	(movdiri<mode>, movdir64b_<mode>): New.
25263	* config/i386/i386.opt: Add -mmovdiri and -mmovdir64b.
25264	* config/i386/immintrin.h: Include movdirintrin.h.
25265	* config/i386/movdirintrin.h: New file.
25266	* doc/invoke.texi: Added -mmovdiri and -mmovdir64b.
25267
252682018-04-19  Richard Biener  <rguenther@suse.de>
25269
25270	PR middle-end/85455
25271	* cfg.c (clear_bb_flags): When loop state says we have
25272	marked irreducible regions also preserve BB_IRREDUCIBLE_LOOP.
25273
252742018-04-19  Richard Biener  <rguenther@suse.de>
25275
25276	PR tree-optimization/84737
25277	* tree-vect-data-refs.c (vect_copy_ref_info): New function
25278	copying restrict info.
25279	(vect_setup_realignment): Use it.
25280	* tree-vectorizer.h (vect_copy_ref_info): Declare.
25281	* tree-vect-stmts.c (vectorizable_store): Copy ref info from
25282	the first DR to all generated stores.
25283	(vectorizable_load): Likewise for loads.
25284
252852018-04-19  Jakub Jelinek  <jakub@redhat.com>
25286
25287	PR tree-optimization/85446
25288	* match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Require
25289	the integral and pointer types to have the same precision.
25290
25291	* doc/install.texi: Document --disable-cet being the default and
25292	--enable-cet=auto.
25293
252942018-04-18  Martin Liska  <mliska@suse.cz>
25295
25296	* ipa-devirt.c (odr_subtypes_equivalent_p): Fix GNU coding
25297	style.
25298
252992018-04-18  Martin Liska  <mliska@suse.cz>
25300
25301	Revert
25302	2018-03-02  Eric Botcazou  <ebotcazou@adacore.com>
25303
25304	PR ipa/83983
25305	* ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both
25306	arguments if they are comparable.
25307
253082018-04-18  Martin Liska  <mliska@suse.cz>
25309
25310	Revert
25311	2018-03-13  Eric Botcazou  <ebotcazou@adacore.com>
25312
25313	PR lto/84805
25314	* ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of
25315	incomplete types.
25316
253172018-04-18  H.J. Lu  <hongjiu.lu@intel.com>
25318
25319	PR target/85388
25320	* config/i386/i386.c (ix86_expand_split_stack_prologue): Insert
25321	ENDBR after calling __morestack.
25322
253232018-04-18  David Malcolm  <dmalcolm@redhat.com>
25324
25325	PR jit/85384
25326	* configure.ac (gcc-driver-name.h): Honor --with-gcc-major-version
25327	by using gcc_base_ver to generate a gcc_driver_version, and use
25328	it when generating GCC_DRIVER_NAME.
25329	* configure: Regenerate.
25330
253312018-04-18  Jakub Jelinek  <jakub@redhat.com>
25332
25333	PR target/81084
25334	* config.gcc: Obsolete powerpc*-*-*spe*.
25335
253362018-04-17  Jakub Jelinek  <jakub@redhat.com>
25337
25338	PR debug/84637
25339	* dbxout.c (dbxout_int): Perform negation in unsigned int type.
25340	(stabstr_D): Change type of unum from unsigned int to
25341	unsigned HOST_WIDE_INT.  Perform negation in unsigned HOST_WIDE_INT
25342	type.
25343
253442018-04-17  Jim Wilson  <jimw@sifive.com>
25345
25346	PR 84856
25347	* config/riscv/riscv.c (riscv_compute_frame_info): Add calls to
25348	RISCV_STACK_ALIGN when using outgoing_args_size and pretend_args_size.
25349	Set arg_pointer_offset after using pretend_args_size.
25350
253512018-04-17  Jakub Jelinek  <jakub@redhat.com>
25352
25353	PR rtl-optimization/85431
25354	* dse.c (record_store): Ignore zero width stores.
25355
25356	PR sanitizer/85230
25357	* asan.c (handle_builtin_stack_restore): Adjust comment.  Emit
25358	__asan_allocas_unpoison call and last_alloca_addr = new_sp before
25359	__builtin_stack_restore rather than after it.
25360	* builtins.c (expand_asan_emit_allocas_unpoison): Pass
25361	arg1 + (virtual_dynamic_stack_rtx - stack_pointer_rtx) as second
25362	argument instead of virtual_dynamic_stack_rtx.
25363
253642018-04-17  Kelvin Nilsen  <kelvin@gcc.gnu.org>
25365
25366	* config/rs6000/rs6000-protos.h (rs6000_builtin_is_supported_p):
25367	New prototype.
25368	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
25369	Add note to error message to explain internal mapping of overloaded
25370	built-in function name to non-overloaded built-in function name.
25371	* config/rs6000/rs6000.c (rs6000_builtin_is_supported_p): New
25372	function.
25373
253742018-04-17  Michael Meissner  <meissner@linux.vnet.ibm.com>
25375
25376	PR target/85424
25377	* config/rs6000/rs6000.md (pack<mode>): Do not try handle a pack
25378	where the inputs overlap with the output.
25379
253802018-04-17  Jakub Jelinek  <jakub@redhat.com>
25381
25382	* config/i386/sse.md (vec_extract_lo_<mode><mask_name>): Add
25383	(=v, v) alternative and explicit "memory" attribute.
25384	(vec_extract_lo_<mode><mask_name>): Likewise.  Also add
25385	"type", "prefix", "prefix_extra", "length_immediate" and "mode"
25386	attributes.
25387	(vec_extract_lo_<mode><mask_name>): Add (=v, v) alternative and use
25388	"sselog1" type instead of "sselog".
25389	(vec_extract_hi_<mode><mask_name>): Use "sselog1" type instead of
25390	"sselog".  Remove explicit "memory" attribute.
25391	(vec_extract_lo_v32hi): Add (=v, v) alternative and explicit "memory",
25392	"type", "prefix", "prefix_extra", "length_immediate" and "mode"
25393	attributes.
25394	(vec_extract_hi_v32hi): Merge all alternatives into one, use
25395	"sselog1" type instead of "sselog".  Remove explicit "memory"
25396	attribute.
25397	(vec_extract_hi_v16hi): Merge each pair of alternatives into one,
25398	use "sselog1" type instead of "sselog".  Remove explicit "memory"
25399	attribute.
25400	(vec_extract_lo_v64qi): Add (=v, v) alternative and explicit "memory",
25401	"type", "prefix", "prefix_extra", "length_immediate" and "mode"
25402	attributes.
25403	(vec_extract_hi_v64qi): Merge all alternatives into one, use
25404	"sselog1" type instead of "sselog".  Remove explicit "memory"
25405	attribute.
25406	(vec_extract_hi_v32qi): Merge each pair of alternatives into one,
25407	use "sselog1" type instead of "sselog".  Remove explicit "memory"
25408	attribute.
25409
25410	PR target/85430
25411	* config/i386/i386.md (*ashlqi3_1_slp): Use alu1 type instead of alu.
25412
25413	PR middle-end/85414
25414	* rtlhooks.c (gen_lowpart_if_possible): Don't call gen_lowpart_SUBREG
25415	on a SUBREG.
25416
254172018-04-17  Martin Jambor  <mjambor@suse.cz>
25418
25419	PR ipa/85421
25420	* ipa-cp.c (create_specialized_node): Call
25421	expand_all_artificial_thunks if necessary.
25422
254232018-04-17  Martin Liska  <mliska@suse.cz>
25424
25425	PR lto/85405
25426	* ipa-devirt.c (odr_types_equivalent_p): Remove trailing
25427	in message, remote space in between '_G' and '('.
25428
254292018-04-17  Jakub Jelinek  <jakub@redhat.com>
25430
25431	PR target/85281
25432	* config/i386/sse.md (reduces<mode><mask_scalar_name>,
25433	avx512f_vmcmp<mode>3<round_saeonly_name>,
25434	avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
25435	avx512f_sgetexp<mode><mask_scalar_name><round_saeonly_scalar_name>,
25436	avx512f_rndscale<mode><round_saeonly_name>,
25437	avx512dq_ranges<mode><mask_scalar_name><round_saeonly_scalar_name>,
25438	avx512f_vgetmant<mode><mask_scalar_name><round_saeonly_scalar_name>):
25439	Use %<iptr>2 instead of %2 for -masm=intel.
25440	(avx512f_vcvtss2usi<round_name>, avx512f_vcvtss2usiq<round_name>,
25441	avx512f_vcvttss2usi<round_saeonly_name>,
25442	avx512f_vcvttss2usiq<round_saeonly_name>): Use %k1 instead of %1 for
25443	-masm=intel.
25444	(avx512f_vcvtsd2usi<round_name>, avx512f_vcvtsd2usiq<round_name>,
25445	avx512f_vcvttsd2usi<round_saeonly_name>,
25446	avx512f_vcvttsd2usiq<round_saeonly_name>, ufloatv2siv2df2<mask_name>):
25447	Use %q1 instead of %1 for -masm=intel.
25448	(avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>,
25449	avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Use %<iptr>3 instead
25450	of %3 for -masm=intel.
25451	(sse2_shufpd_v2df_mask): Fix a typo, change %{6%} to %{%6%} for
25452	-masm=intel.
25453	(*avx512vl_<code>v2div2qi2_store): Use %w0 instead of %0 for
25454	-masm=intel.
25455	(*avx512vl_<code><mode>v4qi2_store): Use %k0 instead of %0 for
25456	-masm=intel.
25457	(avx512vl_<code><mode>v4qi2_mask_store): Use a single pattern with
25458	%k0 and %1 for -masm=intel rather than two patterns, one with %0 and
25459	%g1.
25460	(*avx512vl_<code><mode>v8qi2_store): Use %q0 instead of %0 for
25461	-masm=intel.
25462	(avx512vl_<code><mode>v8qi2_mask_store): Use a single pattern with
25463	%q0 and %1 for -masm=intel rather than two patterns, one with %0 and
25464	%g1 and one with %0 and %1.
25465	(avx512er_vmrcp28<mode><round_saeonly_name>,
25466	avx512er_vmrsqrt28<mode><round_saeonly_name>): Use %<iptr>1 instead of
25467	%1 for -masm=intel.
25468	(avx5124fmaddps_4fmaddps_mask, avx5124fmaddps_4fmaddss_mask,
25469	avx5124fmaddps_4fnmaddps_mask, avx5124fmaddps_4fnmaddss_mask,
25470	avx5124vnniw_vp4dpwssd_mask, avx5124vnniw_vp4dpwssds_mask): Swap order
25471	of %0 and %{%4%} for -masm=intel.
25472	(avx5124fmaddps_4fmaddps_maskz, avx5124fmaddps_4fmaddss_maskz,
25473	avx5124fmaddps_4fnmaddps_maskz, avx5124fmaddps_4fnmaddss_maskz,
25474	avx5124vnniw_vp4dpwssd_maskz, avx5124vnniw_vp4dpwssds_maskz): Swap
25475	order of %0 and %{%5%}%{z%} for -masm=intel.
25476
254772018-04-17  Jan Hubicka  <jh@suse.cz>
25478
25479	PR lto/85405
25480	* ipa-devirt.c (odr_types_equivalent_p): Handle bit fields.
25481
254822018-04-17  Martin Liska  <mliska@suse.cz>
25483
25484	PR ipa/85329
25485	* multiple_target.c (create_dispatcher_calls): Set apostrophes
25486	for target_clone error message.  Make default implementation
25487	clone to be a local declaration.
25488	(separate_attrs): Add new argument and check for an empty
25489	string.
25490	(expand_target_clones): Handle it.
25491	(ipa_target_clone): Make redirection just for target_clones
25492	functions.
25493
254942018-04-16  Cesar Philippidis  <cesar@codesourcery.com>
25495	    Tom de Vries  <tom@codesourcery.com>
25496
25497	PR middle-end/84955
25498	* omp-expand.c (expand_oacc_for): Add dummy false branch for
25499	tiled basic blocks without omp continue statements.
25500
255012018-04-16  Aaron Sawdey  <acsawdey@linux.ibm.com>
25502
25503	PR target/83660
25504	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Mark
25505	vec_extract expression as having side effects to make sure it gets
25506	a cleanup point.
25507
255082018-04-16  H.J. Lu  <hongjiu.lu@intel.com>
25509
25510	PR target/85403
25511	* config/i386/i386.c (get_builtin_code_for_version): Check
25512	error_mark_node.
25513
255142018-04-16  Olga Makhotina  <olga.makhotina@intel.com>
25515
25516	PR target/84331
25517	* config.gcc: Support "skylake".
25518	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
25519	PROCESSOR_SKYLAKE.
25520	* config/i386/i386.c (m_SKYLAKE): Define.
25521	(processor_target_table): Add "skylake".
25522	(ix86_option_override_internal): Add "skylake".
25523	(get_builtin_code_for_version): Handle PROCESSOR_SKYLAKE,
25524	PROCESSOR_CANNONLAKE.
25525	(get_builtin_code_for_version): Fix priority for
25526	PROCESSOR_ICELAKE_CLIENT, PROCESSOR_ICELAKE_SERVER,
25527	PROCESSOR_SKYLAKE-AVX512.
25528	* config/i386/i386.h (processor_costs): Define TARGET_SKYLAKE.
25529	(processor_type): Add PROCESSOR_SKYLAKE.
25530
255312018-04-16  Paolo Carlini  <paolo.carlini@oracle.com>
25532	    Jason Merrill  <jason@redhat.com>
25533
25534	PR c++/85112
25535	* convert.c (convert_to_integer_1): Use direct recursion for
25536	enumeral types and types with a precision less than the number
25537	of bits in their mode.
25538
255392018-04-16  Julia Koval  <julia.koval@intel.com>
25540
25541	PR target/84413
25542	* config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL,
25543	X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL): Add m_SKYLAKE_AVX512
25544
255452018-04-14  Segher Boessenkool  <segher@kernel.crashing.org>
25546
25547	PR target/85293
25548	* config/rs6000/rs6000.opt (mdirect-move): Make deprecated.
25549	* doc/invoke.texi (RS/6000 and PowerPC Options): Remove -mdirect-move
25550	and -mno-direct-move.
25551
255522018-04-13  Paul A. Clarke  <pc@us.ibm.com>
25553
25554	PR target/83402
25555	* config/rs6000/emmintrin.h (_mm_slli_epi{16,32,64}):
25556	Ensure that vec_splat_s32 is only called with 0 <= shift < 16.
25557	Ensure negative shifts result in {0}.
25558
255592018-04-13  Vladimir Makarov  <vmakarov@redhat.com>
25560
25561	PR rtl-optimization/79916
25562	* config/rs6000/rs6000.c (rs6000_emit_move): Use assigned hard
25563	regs (if any) to define how to gnerate SD moves when LRA is in
25564	progress.
25565
255662018-04-13  Jakub Jelinek  <jakub@redhat.com>
25567
25568	PR rtl-optimization/85393
25569	* except.h (expand_dw2_landing_pad_for_region): Remove declaration.
25570	* except.c (expand_dw2_landing_pad_for_region): Make static.
25571	* bb-reorder.c (fix_up_crossing_landing_pad): In new_bb emit just
25572	a label and unconditional jump to old_bb, rather than
25573	expand_dw2_landing_pad_for_region insn(s) and jump to single_succ
25574	basic block.
25575
25576	PR rtl-optimization/85376
25577	* simplify-rtx.c (simplify_const_unary_operation): For CLZ and CTZ and
25578	zero op0, if C?Z_DEFINED_VALUE_AT_ZERO is false, return NULL_RTX
25579	instead of a specific value.
25580
255812018-04-13  Jan Hubicka  <hubicka@ucw.cz>
25582	    Bin Cheng  <bin.cheng@arm.com>
25583
25584	PR tree-optimization/82965
25585	PR tree-optimization/83991
25586	* cfgloopanal.c (expected_loop_iterations_unbounded): Add
25587	by_profile_only parameter.
25588	* cfgloopmanip.c (scale_loop_profile): Further scale loop's profile
25589	information if the loop was predicted to iterate too many times.
25590	* cfgloop.h (expected_loop_iterations_unbounded): Update prototype
25591
255922018-04-13  Jan Hubicka  <hubicka@ucw.cz>
25593
25594	PR lto/71991
25595	* config/i386/i386.c (ix86_can_inline_p): Allow safe transitions for
25596	always inline.
25597
255982018-04-13  Martin Liska  <mliska@suse.cz>
25599	    Jakub Jelinek  <jakub@redhat.com>
25600
25601	PR middle-end/81657
25602	* expr.h (enum block_op_methods): Add BLOCK_OP_NO_LIBCALL_RET.
25603	* expr.c (emit_block_move_hints): Handle BLOCK_OP_NO_LIBCALL_RET.
25604	* builtins.c (expand_builtin_memory_copy_args): Use
25605	BLOCK_OP_NO_LIBCALL_RET method for mempcpy with non-ignored target,
25606	handle dest_addr == pc_rtx.
25607
256082018-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
25609
25610	PR target/85291
25611	* config/rs6000/rs6000.md (fix_trunc<mode>si2): Use legacy code if
25612	asked to not generate direct moves.
25613	(fix_trunc<mode>si2_stfiwx): Similar.
25614	(fix_trunc<mode>si2_internal): Similar.
25615
256162018-04-12  Jakub Jelinek  <jakub@redhat.com>
25617
25618	PR debug/83157
25619	* var-tracking.c (add_stores): Handle STRICT_LOW_PART SET_DEST.
25620	* cselib.c (cselib_record_sets): For STRICT_LOW_PART dest,
25621	lookup if dest in some wider mode is known to be const0_rtx and
25622	if so, record permanent equivalence for it to be ZERO_EXTEND of
25623	the narrower mode destination.
25624
256252018-04-12  Cesar Philippidis  <cesar@codesourcery.com>
25626
25627	* lto-streamer-out.c (output_function): Revert 259346.
25628	* omp-expand.c (expand_oacc_for): Likewise.
25629
256302018-04-12  Alexander Monakov  <amonakov@ispras.ru>
25631
25632	PR rtl-optimization/85354
25633	* sel-sched-ir.c (sel_init_pipelining): Move cfg_cleanup call...
25634	* sel-sched.c (sel_global_init): ... here.
25635
256362018-04-12  Eric Botcazou  <ebotcazou@adacore.com>
25637
25638	PR target/85238
25639	* lto-wrapper.c (debug_objcopy): Open the files in binary mode.
25640	* dwarf2out.c (dwarf2out_early_finish): Do not generate assembly in LTO
25641	mode for PE-COFF targets.
25642	* config/i386/i386-protos.h (i386_pe_asm_lto_start): Declare.
25643	(i386_pe_asm_lto_end): Likewise.
25644	* config/i386/cygming.h (TARGET_ASM_LTO_START): Define.
25645	(TARGET_ASM_LTO_END): Likewise.
25646	* config/i386/winnt.c (saved_debug_info_level): New static variable.
25647	(i386_pe_asm_lto_start): New function.
25648	(i386_pe_asm_lto_end): Likewise.
25649
256502018-04-12  Cesar Philippidis  <cesar@codesourcery.com>
25651	    Richard Biener  <rguenther@suse.de>
25652
25653	PR middle-end/84955
25654	* lto-streamer-out.c (output_function): Fix CFG loop state before
25655	streaming out.
25656	* omp-expand.c (expand_oacc_for): Handle calls to internal
25657	functions like regular functions.
25658
256592018-04-12  Richard Biener  <rguenther@suse.de>
25660
25661	PR lto/85371
25662	* dwarf2out.c (init_sections_and_labels): Use debug_line_section[_label]
25663	for the early LTO debug to properly generate references to it
25664	during DIE emission.  Do not re-use that for the skeleton for
25665	split-dwarf.
25666	(dwarf2out_early_finish): Likewise.
25667
256682018-04-12  Jakub Jelinek  <jakub@redhat.com>
25669
25670	PR target/85328
25671	* config/i386/sse.md
25672	(<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name> split,
25673	<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name> split,
25674	vec_extract_lo_<mode><mask_name> split, vec_extract_lo_v32hi,
25675	vec_extract_lo_v64qi): For non-AVX512VL if input is xmm16+ reg
25676	and output is a reg, avoid creating invalid lowpart subreg, but
25677	instead split into a 512-bit move.  Don't split if not AVX512VL,
25678	input is xmm16+ reg and output is a mem.
25679	(vec_extract_lo_<mode><mask_name>, vec_extract_lo_v32hi,
25680	vec_extract_lo_v64qi): Don't require split if not AVX512VL, input is
25681	xmm16+ reg and output is a mem.
25682
256832018-04-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25684
25685	* config/s390/s390.c (s390_output_indirect_thunk_function): Check
25686	also for flag_dwarf2_cfi_asm.
25687
256882018-04-12  Jakub Jelinek  <jakub@redhat.com>
25689
25690	PR rtl-optimization/85342
25691	* regcprop.c (copyprop_hardreg_forward_1): Remove replaced array, use
25692	a bool scalar var inside of the loop instead.  Don't try to update
25693	recog_data.operand after failed apply_change_group.
25694
256952018-04-12  Tom de Vries  <tom@codesourcery.com>
25696
25697	PR target/85296
25698	* config/nvptx/nvptx.c (flexible_array_member_type_p): New function.
25699	(nvptx_assemble_decl_begin): Add undefined param.  Declare undefined
25700	array with flexible array member as array without given dimension.
25701	(nvptx_assemble_undefined_decl): Set nvptx_assemble_decl_begin call
25702	argument for undefined param to true.
25703
257042018-04-11  Aaron Sawdey  <acsawdey@linux.ibm.com>
25705
25706	PR target/85321
25707	* doc/invoke.texi (RS/6000 and PowerPC Options): Document options
25708	-mcall- and -mtraceback=. Remove options -mabi=spe and -mabi=no-spe
25709	from PowerPC section.
25710	* config/rs6000/sysv4.opt (mcall-): Improve help text.
25711	* config/rs6000/rs6000.opt (mblock-compare-inline-limit=): Trim
25712	help text that is too long.
25713	* config/rs6000/rs6000.opt (mblock-compare-inline-loop-limit=): Trim
25714	help text that is too long.
25715	* config/rs6000/rs6000.opt (mstring-compare-inline-limit=): Trim
25716	help text that is too long.
25717
257182018-04-11  Uros Bizjak  <ubizjak@gmail.com>
25719
25720	* config/alpha/alpha.md (stack_probe_internal): Rename
25721	from "probe_stack".  Update all callers.
25722
257232018-04-11  Alexander Monakov  <amonakov@ispras.ru>
25724
25725	PR rtl-optimization/84566
25726	* sched-deps.c (sched_analyze_insn): Check deps->readonly when invoking
25727	sched_macro_fuse_insns.
25728
257292018-04-11  Alexander Monakov  <amonakov@ispras.ru>
25730
25731	PR target/84301
25732	* sched-rgn.c (add_branch_dependences): Move sel_sched_p check here...
25733	(compute_block_dependences): ... from here.
25734
257352018-04-11  Jakub Jelinek  <jakub@redhat.com>
25736
25737	PR tree-optimization/85331
25738	* vec-perm-indices.h (vec_perm_indices::clamp): Change input type
25739	from int to HOST_WIDE_INT.
25740
257412018-04-11  Martin Jambor  <mjambor@suse.cz>
25742
25743	PR ipa/84149
25744	* ipa-cp.c (propagate_vals_across_pass_through): Expand comment.
25745	(cgraph_edge_brings_value_p): New parameter dest_val, check if it is
25746	not the same as the source val.
25747	(cgraph_edge_brings_value_p): New parameter.
25748	(gather_edges_for_value): Pass destination value to
25749	cgraph_edge_brings_value_p.
25750	(perhaps_add_new_callers): Likewise.
25751	(get_info_about_necessary_edges): Likewise and exclude values brought
25752	only by self-recursive edges.
25753	(create_specialized_node): Redirect only clones of self-calling edges.
25754	(+self_recursive_pass_through_p): New function.
25755	(find_more_scalar_values_for_callers_subset): Use it.
25756	(find_aggregate_values_for_callers_subset): Likewise.
25757	(known_aggs_to_agg_replacement_list): Removed.
25758	(decide_whether_version_node): Re-calculate known constants for all
25759	remaining context clones.
25760
257612018-04-11  Richard Biener  <rguenther@suse.de>
25762
25763	PR lto/85339
25764	* dwarf2out.c (dwarf2out_finish): Remove DW_AT_stmt_list attribute
25765	from early DWARF output.
25766	(dwarf2out_early_finish): Output line info unconditionally into
25767	early DWARF and add reference to it.
25768
257692018-04-11  Jakub Jelinek  <jakub@redhat.com>
25770
25771	PR target/85281
25772	* config/i386/sse.md (iptr): Add V16SFmode and V8DFmode cases.
25773	(<avx512>_vec_dup<mode><mask_name>): Use a single pattern for modes
25774	other than V2DFmode using iptr mode attribute.
25775	(<avx512>_vec_dup<mode><mask_name>): Use iptr mode attribute.
25776
257772018-04-11  Alexander Monakov  <amonakov@ispras.ru>
25778
25779	PR rtl-optimization/84659
25780	* sel-sched-ir.c (sel_init_pipelining): Invoke cleanup_cfg.
25781
257822018-04-11  Jakub Jelinek  <jakub@redhat.com>
25783
25784	PR debug/85302
25785	* dwarf2out.c (skip_loc_list_entry): Don't call size_of_locs if
25786	SIZEP is NULL.
25787	(output_loc_list): Pass address of a dummy size variable even in the
25788	locview handling loop.
25789	(index_location_lists): Add comment on why skip_loc_list_entry can't
25790	call size_of_locs.
25791
257922018-04-11  Thomas Preud'homme  <thomas.preudhomme@arm.com>
25793
25794	PR target/85261
25795	* config/arm/arm-builtins.c (arm_expand_builtin): Force input operand
25796	into register.
25797
257982018-04-10  Aaron Sawdey  <acsawdey@linux.ibm.com>
25799
25800	PR target/85321
25801	* doc/invoke.texi (RS/6000 and PowerPC Options): Document options
25802	-mblock-compare-inline-limit, -mblock-compare-inline-loop-limit,
25803	and -mstring-compare-inline-limit.
25804
258052018-04-10  Segher Boessenkool  <segher@kernel.crashing.org>
25806
25807	PR target/85287
25808	* config/rs6000/rs6000.md (allocate_stack): Put the residual size
25809	for stack clash protection in a register whenever we need it to be in
25810	a register.
25811
258122018-04-10  Segher Boessenkool  <segher@kernel.crashing.org>
25813
25814	* common/config/rs6000/rs6000-common.c (rs6000_option_init_struct):
25815	Enable -fasynchronous-unwind-tables by default if OBJECT_FORMAT_ELF.
25816
258172018-04-10  Segher Boessenkool  <segher@kernel.crashing.org>
25818
25819	PR target/85321
25820	* config/rs6000/rs6000.opt (mtraceback=): Show the allowed values in
25821	the help text.
25822	(mlong-double-): Ditto.
25823	* config/rs6000/sysv4.opt (msdata=): Ditto.
25824	(mtls-size=): Ditto.
25825
258262018-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
25827
25828	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
25829	erroneous entries for
25830	"vector int vec_ldl (int, long int *)", and
25831	"vector unsigned int vec_ldl (int, unsigned long int *)".
25832	Add comments and entries for
25833	"vector bool char vec_ldl (int, bool char *)",
25834	"vector bool short vec_ldl (int, bool short *)",
25835	"vector bool int vec_ldl (int, bool int *)",
25836	"vector bool long long vec_ldl (int, bool long long *)",
25837	"vector pixel vec_ldl (int, pixel *)",
25838	"vector long long vec_ldl (int, long long *)",
25839	"vector unsigned long long vec_ldl (int, unsigned long long *)".
25840	* config/rs6000/rs6000.c (rs6000_init_builtins): Initialize new
25841	type tree bool_long_long_type_node and correct definition of
25842	bool_V2DI_type_node to make reference to this new type tree.
25843	(rs6000_mangle_type): Replace erroneous reference to
25844	bool_long_type_node with bool_long_long_type_node.
25845	* config/rs6000/rs6000.h (enum rs6000_builtin_type_index): Add
25846	comments to emphasize sign distinctions for char and int types and
25847	replace RS6000_BTI_bool_long constant with
25848	RS6000_BTI_bool_long_long constant.  Also add comment to restrict
25849	use of RS6000_BTI_pixel.
25850	(bool_long_type_node): Remove this macro definition.
25851	(bool_long_long_type_node): New macro definition
25852
258532018-04-10  Jakub Jelinek  <jakub@redhat.com>
25854
25855	PR rtl-optimization/85300
25856	* combine.c (subst): Handle subst of CONST_SCALAR_INT_P new_rtx also
25857	into FLOAT and UNSIGNED_FLOAT like ZERO_EXTEND, return a CLOBBER if
25858	simplify_unary_operation fails.
25859
258602018-04-10  Martin Liska  <mliska@suse.cz>
25861
25862	* gdbhooks.py: Add pretty-printers for varpool_node, symtab_node,
25863	cgraph_edge and ipa_ref.
25864
258652018-04-10  Jakub Jelinek  <jakub@redhat.com>
25866
25867	PR target/85177
25868	PR target/85255
25869	* config/i386/sse.md
25870	(<extract_type>_vinsert<shuffletype><extract_suf>_mask): Fix
25871	computation of the VEC_MERGE selector from mask.
25872	(<extract_type>_vinsert<shuffletype><extract_suf>_1<mask_name>):
25873	Fix decoding of the VEC_MERGE selector into mask.
25874
258752018-04-10  Richard Sandiford  <richard.sandiford@linaro.org>
25876
25877	PR tree-optimization/85286
25878	* tree-vect-data-refs.c (vect_get_smallest_scalar_type):
25879
258802018-04-10  Richard Sandiford  <richard.sandiford@linaro.org>
25881
25882	* final.c (final_1): Set insn_last_address as well as
25883	insn_current_address.
25884
258852018-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25886
25887	PR target/85173
25888	* explow.c (emit_stack_probe): Call validize_mem on memory location
25889	before passing it to gen_probe_stack.  Create address operand and
25890	legitimize it for the probe_stack_address case.
25891
258922018-04-09  Jan Hubicka  <jh@suse.cz>
25893
25894	PR lto/85078
25895	* ipa-devirt.c (rebuild_type_inheritance-hash): New.
25896	* ipa-utils.h (rebuild_type_inheritance-hash): Declare.
25897	* tree.c (free_lang_data_in_type): Fix handling of binfos;
25898	walk basetypes.
25899	(free_lang_data): Rebuild type inheritance graph.
25900
259012018-04-09  Martin Sebor  <msebor@redhat.com>
25902
25903	* invoke.texi (-finline-small-functions): Mention other optimization
25904	options.
25905	(-findirect-inlining, -fpartial-inlining): Same.
25906	(-finline-functions-called-once): Same.
25907	(-freorder-blocks-and-partition): Same.
25908
259092018-04-09  Jan Hubicka  <jh@suse.cz>
25910
25911	PR rtl/84058
25912	* cfgcleanup.c (try_forward_edges): Do not give up on crossing
25913	jumps; choose last target that matches the criteria (i.e.
25914	no partition changes for non-crossing jumps).
25915	* cfgrtl.c (cfg_layout_redirect_edge_and_branch): Add basic
25916	support for redirecting crossing jumps to non-crossing.
25917
259182018-04-09  Alexey Brodkin  <abrodkin@synopsys.com>
25919
25920	* config/arc/arc.c (arc_expand_prologue): Set stack usage info
25921	also for naked functions.
25922
259232018-04-09  Claudiu Zissulescu  <claziss@synopsys.com>
25924
25925	* config/arc/arc.md (add_shift): New pattern.
25926	(add_shift2): Likewise.
25927	(sub_shift): Likewise.
25928	(sub_shift_cmp0_noout): Likewise.
25929	(compare_si_ashiftsi): Likewise.
25930	(xbfu_cmp0_noout): New combine pattern.
25931	(xbfu_cmp0"): Likewise.
25932	(movsi_set_cc_insn): Place the predicable variant first.
25933	(commutative_binary_cmp0_noout): Remove clobber.
25934	(commutative_binary_cmp0): New pattern.
25935	(noncommutative_binary_cmp0): Likewise.
25936	(noncommutative_binary_cmp0_noout): Likewise.
25937	(noncommutative_binary_comparison_result_used): Removed.
25938	(rsub_cmp0): New pattern.
25939	(rsub_cmp0_noout): Likewise.
25940	(extzvsi): Changed, keep only meaningful variants.
25941	(SQH, SEZ): New iterators.
25942	(SQH_postfix): New mode attribute.
25943	(SEZ_prefix): New code attribute.
25944	(<SEZ_prefix>xt<SQH_postfix>_cmp0_noout): New instruction pattern.
25945	(<SEZ_prefix>xt<SQH_postfix>_cmp0): Likewise.
25946	* config/arc/predicates.md (cc_set_register): Use CC_REG instead
25947	of numerical value.
25948	(noncommutative_operator): Check the availability of barrel
25949	shifter option.
25950
259512018-04-09  Richard Biener  <rguenther@suse.de>
25952
25953	PR tree-optimization/85284
25954	* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
25955	Only use the niter constraining form of simple_iv when the exit
25956	is always executed.
25957
259582018-04-09  Tom de Vries  <tom@codesourcery.com>
25959
25960	PR target/84041
25961	* config/nvptx/nvptx.md (define_c_enum "unspecv"): Add UNSPECV_MEMBAR.
25962	(define_expand "*memory_barrier"): New define_expand.
25963	(define_insn "memory_barrier"): New insn.
25964
259652018-04-09  Andrey Belevantsev  <abel@ispras.ru>
25966
25967	PR rtl-optimization/80463
25968	PR rtl-optimization/83972
25969	PR rtl-optimization/83480
25970
25971	* sel-sched-ir.c (has_dependence_note_mem_dep): Take into account the
25972	correct producer for the insn.
25973	(tidy_control_flow): Fixup seqnos in case of debug insns.
25974
259752018-04-09  Andrey Belevantsev  <abel@ispras.ru>
25976
25977	PR rtl-optimization/83913
25978
25979	* sel-sched-ir.c (merge_expr_data): Choose the middle between two
25980	different sched-times when merging exprs.
25981
259822018-04-09  Andrey Belevantsev  <abel@ispras.ru>
25983
25984	PR rtl-optimization/83962
25985
25986	* sel-sched-ir.c (tidy_control_flow): Correct the order in which we call
25987	tidy_fallthru_edge and tidy_control_flow.
25988
259892018-04-09  Andrey Belevantsev  <abel@ispras.ru>
25990
25991	PR rtl-optimization/83530
25992
25993	* sel-sched.c (force_next_insn): New global variable.
25994	(remove_insn_for_debug): When force_next_insn is true, also leave only
25995	next insn in the ready list.
25996	(sel_sched_region): When the region wasn't scheduled, make another pass
25997	over it with force_next_insn set to 1.
25998
259992018-04-08  Monk Chiang  <sh.chiang04@gmail.com>
26000
26001	* config.gcc (nds32le-*-*, nds32be-*-*): Add nds32/nds32_intrinsic.h
26002	into tm_file.
26003	* config/nds32/constants.md (unspec_volatile_element): Add enum values
26004	for interrupt control.
26005	* config/nds32/nds32-intrinsic.c: Implementation of intrinsic
26006	functions for interrupt control.
26007	* config/nds32/nds32-intrinsic.md: Likewise.
26008	* config/nds32/nds32_intrinsic.h: Likewise.
26009	* config/nds32/nds32.h (nds32_builtins): Likewise.
26010
260112018-04-08  Chung-Ju Wu  <jasonwucj@gmail.com>
26012
26013	* config/nds32/nds32.c (nds32_init_machine_status,
26014	nds32_legitimate_index_p, nds32_legitimate_address_p): Consider
26015	strict_aligned_p field.
26016	(nds32_expand_to_rtl_hook): New function.
26017	(TARGET_EXPAND_TO_RTL_HOOK): Define.
26018	* config/nds32/nds32.h (machine_function): Add strict_aligned_p field.
26019
260202018-04-08  Kito Cheng  <kito.cheng@gmail.com>
26021	    Chung-Ju Wu  <jasonwucj@gmail.com>
26022
26023	* config.gcc (nds32*-*-*): Check that n7 is valid to --with-cpu.
26024	* config/nds32/nds32-n7.md: New file.
26025	* config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N7.
26026	* config/nds32/nds32-pipelines-auxiliary.c: Implementation for n7
26027	pipeline.
26028	* config/nds32/nds32-protos.h: More declarations for n7 pipeline.
26029	* config/nds32/nds32.md (pipeline_model): Add n7.
26030	* config/nds32/nds32.opt (mcpu): Support n7 pipeline cpus.
26031	* config/nds32/pipelines.md: Include n7 settings.
26032
260332018-04-08  Kito Cheng  <kito.cheng@gmail.com>
26034	    Chung-Ju Wu  <jasonwucj@gmail.com>
26035
26036	* config.gcc (nds32*-*-*): Check that e8 is valid to --with-cpu.
26037	* config/nds32/nds32-e8.md: New file.
26038	* config/nds32/nds32-opts.h (nds32-cpu_type): Add CPU_E8.
26039	* config/nds32/nds32-pipelines-auxiliary.c: Implementation for e8
26040	pipeline.
26041	* config/nds32/nds32-protos.h: More declarations for e8 pipeline.
26042	* config/nds32/nds32.md (pipeline_model): Add e8.
26043	* config/nds32/nds32.opt (mcpu): Support e8 pipeline cpus.
26044	* config/nds32/pipelines.md: Include e8 settings.
26045
260462018-04-08  Kito Cheng  <kito.cheng@gmail.com>
26047	    Chung-Ju Wu  <jasonwucj@gmail.com>
26048
26049	* config.gcc (nds32*-*-*): Check that n6/n8/s8 are valid to --with-cpu.
26050	* config/nds32/nds32-n8.md: New file.
26051	* config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N6 and CPU_N8.
26052	* config/nds32/nds32-pipelines-auxiliary.c: Implementation for n8
26053	pipeline.
26054	* config/nds32/nds32-protos.h: More declarations for n8 pipeline.
26055	* config/nds32/nds32-utils.c: More implementations for n8 pipeline.
26056	* config/nds32/nds32.md (pipeline_model): Add n8.
26057	* config/nds32/nds32.opt (mcpu): Support n8 pipeline cpus.
26058	* config/nds32/pipelines.md: Include n8 settings.
26059
260602018-04-08  Kito Cheng  <kito.cheng@gmail.com>
26061	    Chung-Ju Wu  <jasonwucj@gmail.com>
26062
26063	* config.gcc (nds32*): Add nds32-utils.o into extra_objs.
26064	* config/nds32/nds32-n9-2r1w.md: New file.
26065	* config/nds32/nds32-n9-3r2w.md: New file.
26066	* config/nds32/nds32-opts.h (nds32_cpu_type, nds32_mul_type,
26067	nds32_register_ports): New or modify for cpu n9.
26068	* config/nds32/nds32-pipelines-auxiliary.c: Implementation for n9
26069	pipeline.
26070	* config/nds32/nds32-protos.h: More declarations for n9 pipeline.
26071	* config/nds32/nds32-utils.c: New file.
26072	* config/nds32/nds32.h (TARGET_PIPELINE_N9, TARGET_PIPELINE_SIMPLE,
26073	TARGET_MUL_SLOW): Define.
26074	* config/nds32/nds32.md (pipeline_model): New attribute.
26075	* config/nds32/nds32.opt (mcpu, mconfig-mul, mconfig-register-ports):
26076	New options that support cpu n9.
26077	* config/nds32/pipelines.md: Include n9 settings.
26078	* config/nds32/t-nds32 (nds32-utils.o): Add dependency.
26079
260802018-04-08  Chung-Ju Wu  <jasonwucj@gmail.com>
26081
26082	* config/nds32/nds32-md-auxiliary.c (output_cond_branch): Output align
26083	information if necessary.
26084	(output_cond_branch_compare_zero): Likewise.
26085	* config/nds32/nds32.c (nds32_adjust_insn_length): Consider align case.
26086	(nds32_target_alignment): Refine for alignment.
26087	* config/nds32/nds32.h (NDS32_ALIGN_P): Define.
26088	(FUNCTION_BOUNDARY): Modify.
26089	* config/nds32/nds32.md (call_internal, call_value_internal): Consider
26090	align case.
26091	* config/nds32/nds32.opt (malways-align, malign-functions): New.
26092
260932018-04-08  Monk Chiang  <sh.chiang04@gmail.com>
26094
26095	* config/nds32/constants.md (unspec_volatile_element): Add values for
26096	TLB operation and data prefetch.
26097	* config/nds32/nds32-intrinsic.c: Implementation of intrinsic
26098	functions for TLB operation and data prefetch.
26099	* config/nds32/nds32-intrinsic.md: Likewise.
26100	* config/nds32/nds32_intrinsic.h: Likewise.
26101	* config/nds32/nds32.c (nds32_dpref_names): Likewise.
26102	(nds32_print_operand): Likewise.
26103	* config/nds32/nds32.h (nds32_builtins): Likewise.
26104
261052018-04-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
26106	Andrew Pinski  <pinsika@gcc.gnu.org>
26107
26108	PR middle-end/82976
26109	* match.pd: Use constant_boolean_node of correct type instead of
26110	boolean_true_node or boolean_false_node for simplifying
26111	pointer comparisons to zero.
26112
261132018-04-07  Jakub Jelinek  <jakub@redhat.com>
26114
26115	PR tree-optimization/80021
26116	* tree.c (verify_type_variant): Make error call in verify_variant_match
26117	translatable and remove final full stop.
26118
261192018-04-07  Chung-Ju Wu  <jasonwucj@gmail.com>
26120
26121	* config/nds32/constants.md (unspec_volatile_element): Add
26122	UNSPEC_VOLATILE_EH_RETURN.
26123	* config/nds32/nds32-md-auxiliary.c (nds32_output_stack_push,
26124	nds32_output_stack_pop): Support dwarf exception handling process.
26125	* config/nds32/nds32-protos.h (nds32_dynamic_chain_address): Declare.
26126	* config/nds32/nds32.c (nds32_init_machine_status): Support dwarf
26127	exception handling process.
26128	(nds32_compute_stack_frame): Likewise.
26129	(nds32_return_addr_rtx): Likewise.
26130	(nds32_initial_elimination_offset): Likewise.
26131	(nds32_expand_prologue): Likewise.
26132	(nds32_expand_epilogue): Likewise.
26133	(nds32_dynamic_chain_address): New function.
26134	* config/nds32/nds32.h (machine_function): Add fields for dwarf
26135	exception handling.
26136	(DYNAMIC_CHAIN_ADDRESS): Define.
26137	(EH_RETURN_DATA_REGNO): Define.
26138	(EH_RETURN_STACKADJ_RTX): Define.
26139	* config/nds32/nds32.md (eh_return, nds32_eh_return): Implement
26140	patterns for dwarf exception handling.
26141
261422018-04-07  Chung-Ju Wu  <jasonwucj@gmail.com>
26143
26144	* config/nds32/nds32.h: Clean up obsolete macros.
26145
261462018-04-07  Monk Chiang  <sh.chiang04@gmail.com>
26147
26148	* config/nds32/constants.md (unspec_element, unspec_volatile_element):
26149	Add enum values for particular instructions.
26150	* config/nds32/nds32-intrinsic.c: Implementation of expanding
26151	particular intrinsic functions.
26152	* config/nds32/nds32-intrinsic.md: Likewise.
26153	* config/nds32/nds32_intrinsic.h: Likewise.
26154	* config/nds32/nds32.h (nds32_builtins): Likewise.
26155	* config/nds32/nds32.md (type): Add pbsad and pbsada.
26156	(btst, ave): New patterns for particular instructions.
26157
261582018-04-07  Monk Chiang  <sh.chiang04@gmail.com>
26159
26160	* config/nds32/constants.md (unspec_element, unspec_volatile_element):
26161	Add enum values for atomic load/store and memory sync.
26162	* config/nds32/nds32-intrinsic.c: Implementation for atomic load/store
26163	and memory sync.
26164	* config/nds32/nds32-intrinsic.md: Likewise.
26165	* config/nds32/nds32_intrinsic.h: Likewise.
26166	* config/nds32/nds32.h (nds32_builtins): Likewise.
26167
261682018-04-07  Jakub Jelinek  <jakub@redhat.com>
26169
26170	PR tree-optimization/85257
26171	* fold-const.c (native_encode_vector): If not all elts could fit
26172	and off is -1, return 0 rather than offset.
26173	* tree-ssa-sccvn.c (vn_reference_lookup_3): Pass
26174	(offseti - offset2) / BITS_PER_UNIT as 4th argument to
26175	native_encode_expr.  Verify len * BITS_PER_UNIT >= maxsizei.  Don't
26176	adjust buffer in native_interpret_expr call.
26177
261782018-04-07  Monk Chiang  <sh.chiang04@gmail.com>
26179
26180	* config/nds32/constants.md (unspec_volatile_element): Add cache
26181	control enum values.
26182	* config/nds32/nds32-intrinsic.c: Add cache control expand functions.
26183	* config/nds32/nds32-intrinsic.md: Add cache control patterns.
26184	* config/nds32/nds32.c (nds32_cctl_names): New.
26185	(nds32_print_operand): Handle cache control register names.
26186	* config/nds32/nds32.h (nds32_builtins): New enum values.
26187	* config/nds32/nds32_intrinsic.h: Add cache control enum types and
26188	macros.
26189	* config/nds32/nds32.md (type): Add mmu.
26190	* config/nds32/pipelines.md (simple_insn): Add mmu.
26191
261922018-04-07  Chung-Ju Wu  <jasonwucj@gmail.com>
26193
26194	* config/nds32/nds32.md (type): Remove call.
26195	* config/nds32/pipelines.md (simple_insn): Likewise.
26196
261972018-04-07  Monk Chiang  <sh.chiang04@gmail.com>
26198
26199	* config/nds32/constants.md (unspec_volatile_element): Add
26200	UNSPEC_VOLATILE_FMFCSR, UNSPEC_VOLATILE_FMTCSR and
26201	UNSPEC_VOLATILE_FMFCFG.
26202	* config/nds32/nds32-intrinsic.c (bdesc_noarg): New builtin
26203	description for fmfcfg and fmfcsr.
26204	(bdesc_1arg): Add fmtcsr.
26205	(bdesc_2arg): Add fcpynss, fcpyss, fcpynsd and fcpysd.
26206	(nds32_expand_builtin_impl): Deal with FPU intrinsic functions.
26207	* config/nds32/nds32-intrinsic.md (unspec_fcpynsd, unspec_fcpysd,
26208	unspec_fcpynss, unspec_fcpysd, unspec_fcpyss, unspec_fmfcsr,
26209	unspec_fmfcfg): New patterns.
26210	* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_FMFCFG,
26211	NDS32_BUILTIN_FMFCSR, NDS32_BUILTIN_FMTCSR, NDS32_BUILTIN_FCPYNSS,
26212	NDS32_BUILTIN_FCPYSS,NDS32_BUILTIN_FCPYNSD and NDS32_BUILTIN_FCPYSD.
26213	* config/nds32/nds32_intrinsic.h (__nds32__fcpynsd, __nds32__fcpynss,
26214	__nds32__fcpysd, __nds32__fcpyss, __nds32__fmfcsr, __nds32__fmtcsr,
26215	__nds32__fmfcfg): Define.
26216
262172018-04-07  Monk Chiang  <sh.chiang04@gmail.com>
26218
26219	* config/nds32/nds32.c (nds32_intrinsic_register_names): Add more
26220	intrinsic register names.
26221	* config/nds32/nds32_intrinsic.h (nds32_intrinsic_registers): Add more
26222	intrinsic register enum values and macros.
26223
262242018-04-07  Chung-Ju Wu  <jasonwucj@gmail.com>
26225
26226	* config/nds32/nds32.c (nds32_legitimate_index_p): Modify condition
26227	for load/store addressing form.
26228	(nds32_print_operand_address): Likewise.
26229
262302018-04-06  Eric Botcazou  <ebotcazou@adacore.com>
26231
26232	PR target/85196
26233	* config/sparc/sparc.c (sparc_expand_move): Deal with symbolic operands
26234	based on LABEL_REF.  Remove useless assertion.
26235	(pic_address_needs_scratch): Fix formatting.
26236	(sparc_legitimize_pic_address): Minor tweaks.
26237	(sparc_delegitimize_address): Adjust assertion accordingly.
26238	* config/sparc/sparc.md (movsi_pic_label_ref): Change label_ref_operand
26239	into symbolic_operand.
26240	(movsi_high_pic_label_ref): Likewise.
26241	(movsi_lo_sum_pic_label_ref): Likewise.
26242	(movdi_pic_label_ref): Likewise.
26243	(movdi_high_pic_label_ref): Likewise.
26244	(movdi_lo_sum_pic_label_ref): Likewise.
26245
262462018-04-06  Amaan Cheval  <amaan.cheval@gmail.com>
26247
26248	* config.gcc (x86_64-*-rtems*): Add rtems.h to tm_file for
26249	custom LIB_SPEC setup.
26250
262512018-04-06  Ruslan Bukin  <br@bsdpad.com>
26252	    Kito Cheng  <kito.cheng@gmail.com>
26253
26254	* config.gcc (riscv*-*-freebsd*): Add RISC-V FreeBSD support.
26255	* config/riscv/freebsd.h: New.
26256
262572018-04-06  Chung-Ju Wu  <jasonwucj@gmail.com>
26258
26259	* config/nds32/nds32.c (nds32_adjust_insn_length): Refine.
26260	* config/nds32/nds32.h (ADJUST_INSN_LENGTH): Change the location in
26261	file.
26262
262632018-04-06  Chung-Ju Wu  <jasonwucj@gmail.com>
26264	    Kito Cheng  <kito.cheng@gmail.com>
26265
26266	* config/nds32/nds32-md-auxiliary.c (nds32_output_return,
26267	nds32_output_call, nds32_symbol_binds_local_p): New functions.
26268	* config/nds32/nds32-protos.h (nds32_output_call,
26269	nds32_output_return): Declare.
26270	* config/nds32/nds32.md: Refine all the call and return patterns.
26271
262722018-04-06  Jakub Jelinek  <jakub@redhat.com>
26273
26274	PR debug/85252
26275	* dwarf2out.c (rtl_for_decl_init): For STRING_CST initializer only
26276	build CONST_STRING if TYPE_MAX_VALUE is non-NULL and is INTEGER_CST.
26277
26278	PR rtl-optimization/84872
26279	* cfgloopmanip.c (create_preheader): Use make_forwarder_block even if
26280	nentry == 1 when CP_FALLTHRU_PREHEADERS and single_entry is
26281	EDGE_CROSSING edge.
26282
262832018-04-06  Tamar Christina  <tamar.christina@arm.com>
26284
26285	* expr.c (copy_blkmode_to_reg): Revert 254862.
26286	* doc/sourcebuild.texi (word_mode_no_slow_unalign): Likewise.
26287
262882018-04-06  Richard Biener  <rguenther@suse.de>
26289
26290	PR middle-end/85244
26291	* tree-dfa.c (get_ref_base_and_extent): Reset seen_variable_array_ref
26292	after seeing a component reference with an adjacent field.  Treat
26293	refs to arrays at struct end of external decls similar to
26294	refs to unconstrained commons.
26295
262962018-04-06  Jakub Jelinek  <jakub@redhat.com>
26297
26298	PR sanitizer/85213
26299	* fold-const.c (twoval_comparison_p): Remove SAVE_P argument and don't
26300	look through SAVE_EXPRs with non-side-effects argument.  Adjust
26301	recursive calls.
26302	(fold_comparison): Adjust twoval_comparison_p caller, don't handle
26303	save_p here.
26304
263052018-04-06  Richard Biener  <rguenther@suse.de>
26306
26307	PR middle-end/85180
26308	* alias.c (find_base_term): New wrapper around find_base_term
26309	unwinding CSELIB_VAL_PTR changes.
26310	(find_base_term): Do not restore CSELIB_VAL_PTR during the
26311	recursion.
26312
263132018-04-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26314
26315	* config/s390/s390.c (s390_z10_optimize_cmp): Expand dedicated NOP
26316	instructions.
26317	* config/s390/s390.md (UNSPECV_NOP_LR_0, UNSPECV_NOP_LR_1): New
26318	constant definitions.
26319	("nop"): lr 0,0 -> nopr r0
26320	("nop_lr0", "nop_lr1"): New insn definitions.
26321
263222018-04-06  Chung-Ju Wu  <jasonwucj@gmail.com>
26323
26324	* config/nds32/nds32.md (*stack_push, *stack_pop): Use
26325	NDS32_V3PUSH_AVAILABLE_P macro.
26326
263272018-04-06  Monk Chiang  <sh.chiang04@gmail.com>
26328	    Chung-Ju Wu  <jasonwucj@gmail.com>
26329
26330	* config.gcc (nds32*-*-*): Add v2j v3f v3s checking.
26331	(nds32*-*-*): Add float and fpu_config into supported_defaults.
26332	* common/config/nds32/nds32-common.c (TARGET_DEFAULT_TARGET_FLAGS):
26333	Include TARGET_DEFAULT_FPU_ISA and TARGET_DEFAULT_FPU_FMA.
26334	* config/nds32/constants.md (unspec_element): Add UNSPEC_COPYSIGN,
26335	UNSPEC_FCPYNSD, UNSPEC_FCPYNSS, UNSPEC_FCPYSD and UNSPEC_FCPYSS.
26336	* config/nds32/constraints.md: New constraints and checking for hard
26337	float configuration.
26338	* config/nds32/iterators.md: New mode iterator and attribute for hard
26339	float configuration.
26340	* config/nds32/nds32-doubleword.md: Use hard float alternatives and
26341	patterns.
26342	* config/nds32/nds32-fpu.md: New file.
26343	* config/nds32/nds32-md-auxiliary.c: New functions and checkings to
26344	deal with hard float code generation.
26345	* config/nds32/nds32-opts.h (nds32_arch_type): Add ARCH_V3F and
26346	ARCH_V3S.
26347	(abi_type, float_reg_number): New enum type.
26348	* config/nds32/nds32-predicates.c: New predicates for hard float.
26349	* config/nds32/nds32-protos.h: Declare functions for hard float.
26350	* config/nds32/nds32.c: Implementation for hard float configuration.
26351	* config/nds32/nds32.h: Definitions for hard float configuration.
26352	* config/nds32/nds32.md: Include hard float machine description and
26353	modify patterns for hard float configuration.
26354	* config/nds32/nds32.opt: New options for hard float configuration.
26355	* config/nds32/predicates.md: New predicates for hard float
26356	configuration.
26357
263582018-04-06  Kuan-Lin Chen  <kuanlinchentw@gmail.com>
26359
26360	* common/config/nds32/nds32-common.c
26361	(nds32_option_optimization_table): Enable -mreleax-hint by default.
26362
263632018-04-05  Jakub Jelinek  <jakub@redhat.com>
26364
26365	PR middle-end/85195
26366	* match.pd (BIT_FIELD_REF CONSTRUCTOR@0 @1 @2): Use view_convert around
26367	CONSTRUCTOR_ELT (ctor, ...)->value.
26368
263692018-04-05  Uros Bizjak  <ubizjak@gmail.com>
26370
26371	PR target/85193
26372	* config/i386/i386.md (define_attr "memory"): Handle rotate1 type.
26373
263742018-04-05  Tom de Vries  <tom@codesourcery.com>
26375
26376	PR target/85204
26377	* config/nvptx/nvptx.c (nvptx_single): Fix neutering of bb with only
26378	cond jump.
26379
263802018-04-05  Shiva Chen  <shiva0217@gmail.com>
26381	    Kito Cheng  <kito.cheng@gmail.com>
26382
26383	* config/nds32/constraints.md (U33): Fine-tune checking condition.
26384	* config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Ditto.
26385	* config/nds32/nds32.h (nds32_16bit_address_type): Add
26386	ADDRESS_POST_MODIFY_LO_REG_IMM3U.
26387
263882018-04-05  Shiva Chen  <shiva0217@gmail.com>
26389	    Kito Cheng  <kito.cheng@gmail.com>
26390
26391	* config/nds32/constraints.md (Ufe): New memory constraint.
26392	* config/nds32/nds32-md-auxiliary.c (nds32_mem_format,
26393	nds32_output_16bit_load): Consider r8 register for lwi45.fe format.
26394	* config/nds32/nds32.c (nds32_print_operand): Output lwi45.fe
26395	operands.
26396	* config/nds32/nds32.h (nds32_16bit_address_type): Add ADDRESS_R8_IMM7U.
26397	* config/nds32/nds32.md (*mov<mode>): Adjust pattern.
26398
263992018-04-05  Chung-Ju Wu  <jasonwucj@gmail.com>
26400
26401	* config/nds32/nds32.md: Use optimize_size in the condition for
26402	alu-shift instructions.
26403
264042018-04-05  Chung-Ju Wu  <jasonwucj@gmail.com>
26405
26406	* config/nds32/nds32.md (divsi4, udivsi4): New patterns.
26407
264082018-04-05  Chung-Ju Wu  <jasonwucj@gmail.com>
26409
26410	* config/nds32/nds32.md (negsi2): Refine pattern.
26411
264122018-04-05  Kito Cheng  <kito.cheng@gmail.com>
26413	    Chung-Ju Wu  <jasonwucj@gmail.com>
26414
26415	* config/nds32/iterators.md (shift_rotate): New code iterator.
26416	(shift): New code attribute.
26417	* config/nds32/nds32-md-auxiliary.c (nds32_expand_constant): New.
26418	* config/nds32/nds32-protos.h (nds32_expand_constant): Declare.
26419	* config/nds32/nds32.c (nds32_print_operand): Deal with more cases.
26420	* config/nds32/nds32.md (addsi3, *add_srli): Refine implementation for
26421	bit-wise operations.
26422	(andsi3, *andsi3): Ditto.
26423	(iorsi3, *iorsi3, *or_slli, *or_srli): Ditto.
26424	(xorsi3, *xorsi3, *xor_slli, *xor_srli): Ditto.
26425	(<shift>si3, *ashlsi3, *ashrsi3, *lshrsi3, *rotrsi3): Ditto.
26426	* config/nds32/predicates.md (nds32_rimm5u_operand, nds32_and_operand,
26427	nds32_ior_operand, nds32_xor_operand): New predicates.
26428
264292018-04-05  Chung-Ju Wu  <jasonwucj@gmail.com>
26430
26431	* config/nds32/nds32.md (add<mode>3, sub<mode>3): Rename to ...
26432	(addsi3, subsi3): ... this.
26433
264342018-04-05  Chung-Ju Wu  <jasonwucj@gmail.com>
26435
26436	* config/nds32/nds32.md (*sub_srli, *and_slli): Fine-tune predicator.
26437
264382018-04-05  Chung-Ju Wu  <jasonwucj@gmail.com>
26439
26440	* config/nds32/nds32.md: Adjust indention.
26441
264422018-04-05  Kito Cheng  <kito.cheng@gmail.com>
26443
26444	* config/nds32/nds32.md (feature): New attribute.
26445
264462018-04-05  Chung-Ju Wu  <jasonwucj@gmail.com>
26447
26448	* config/nds32/nds32.md (subtype): New attribute.
26449
264502018-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
26451
26452	PR target/85203
26453	* config/arm/arm-builtins.c (arm_expand_builtin): Change
26454	expansion to perform a bitwise AND of the argument followed by a
26455	boolean negation of the result.
26456
264572018-04-04  Peter Bergner  <bergner@vnet.ibm.com>
26458
26459	PR rtl-optimization/84878
26460	* ddg.c (add_cross_iteration_register_deps): Use DF_REF_BB to determine
26461	the basic block.  Assert the use reference is not artificial and that
26462	it has an associated insn.
26463
264642018-04-04  Michael Matz  <matz@suse.de>
26465
26466	* builtins.c (compute_objsize): Pass correct operand
26467	to array_at_struct_end_p.
26468
264692018-04-04  Richard Biener  <rguenther@suse.de>
26470
26471	PR lto/85176
26472	* dwarf2out.c (dwarf2out_register_external_die): Peel namespaces
26473	from contexts for DINFO_LEVEL_TERSE and below.
26474
264752018-04-04  Kito Cheng  <kito.cheng@gmail.com>
26476
26477	* config/nds32/nds32-doubleword.md (move_<mode>): Require
26478	resiter_operand condition.
26479	* config/nds32/nds32.md (*move<mode>): Ditto.
26480
264812018-04-04  Kito Cheng  <kito.cheng@gmail.com>
26482	    Monk Chiang  <sh.chiang04@gmail.com>
26483
26484	* config/nds32/nds32.md (movmisalign<mode>): New pattern.
26485
264862018-04-04  Chung-Ju Wu  <jasonwucj@gmail.com>
26487
26488	* config/nds32/nds32.md (movqi, movhi): Merge into mov<mode>.
26489
264902018-04-04  Chung-Ju Wu  <jasonwucj@gmail.com>
26491	    Kito Cheng  <kito.cheng@gmail.com>
26492
26493	* config/nds32/nds32-md-auxiliary.c (nds32_inverse_cond_code,
26494	nds32_cond_code_str, output_cond_branch,
26495	output_cond_branch_compare_zero, nds32_expand_cbranch,
26496	nds32_expand_cstore, nds32_expand_movcc,
26497	nds32_output_cbranchsi4_equality_zero,
26498	nds32_output_cbranchsi4_equality_reg,
26499	nds32_output_cbranchsi4_equality_reg_or_const_int,
26500	nds32_output_cbranchsi4_greater_less_zero: New functions.
26501	* config/nds32/nds32-protos.h (nds32_expand_cbranch,
26502	nds32_expand_cstore, nds32_expand_movcc,
26503	nds32_output_cbranchsi4_equality_zero,
26504	nds32_output_cbranchsi4_equality_reg,
26505	nds32_output_cbranchsi4_equality_reg_or_const_int,
26506	nds32_output_cbranchsi4_greater_less_zero): Declare.
26507	* config/nds32/predicates.md (nds32_movecc_comparison_operator,
26508	nds32_rimm11s_operand): New predicates.
26509	* config/nds32/nds32.h (nds32_expand_result_type): New enum type.
26510	* config/nds32/nds32.md: Rewrite all the branch and conditional move
26511	patterns.
26512
265132018-04-04  Kito Cheng  <kito.cheng@gmail.com>
26514
26515	* config/nds32/nds32-doubleword.md: Refine all the instruction type.
26516	* config/nds32/nds32.md: Ditto.
26517	* config/nds32/pipelines.md: Ditto.
26518
265192018-04-04  Richard Biener  <rguenther@suse.de>
26520
26521	PR tree-optimization/85168
26522	* tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Avoid
26523	propagating abnormals.
26524
265252018-04-04  Chung-Ju Wu  <jasonwucj@gmail.com>
26526
26527	* config/nds32/nds32.md (enabled): Use yes/no for this attribute.
26528
265292018-04-04  Chung-Ju Wu  <jasonwucj@gmail.com>
26530	    Kito Cheng  <kito.cheng@gmail.com>
26531
26532	* config/nds32/nds32-md-auxiliary.c (nds32_long_call_p): New function.
26533	* config/nds32/nds32-protos.h (nds32_long_call_p): Declare.
26534	* config/nds32/nds32.c (nds32_function_ok_for_sibcall): New function.
26535	(TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
26536	* config/nds32/nds32.md (sibcall_internal): New.
26537	(sibcall_register): Remove.
26538	(sibcall_immediate): Remove.
26539	(sibcall_value_internal): New.
26540	(sibcall_value_register): Remove.
26541	(sibcall_value_immediate): Remove.
26542	* config/nds32/predicates.md (nds32_general_register_operand): New.
26543	(nds32_call_address_operand): New.
26544
265452018-04-03  Jakub Jelinek  <jakub@redhat.com>
26546
26547	PR rtl-optimization/85167
26548	* shrink-wrap.c (move_insn_for_shrink_wrap): Don't set bb_uses and
26549	bb_defs if *split_p, instead preinitialize it to NULL.
26550
26551	PR tree-optimization/85156
26552	* builtins.c (fold_builtin_expect): Use save_expr on arg1 to avoid
26553	evaluating the argument multiple times.
26554
265552018-04-03  Bill Schmidt  <wschmidt@linux.ibm.com>
26556
26557	* config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Use __vector rather
26558	than vector.
26559	(_mm_cvtpd_ps): Likewise.
26560	(_mm_cvttpd_epi32): Likewise.
26561	* config/rs6000/mmintrin.h (_mm_unpacklo_pi8): Likewise.
26562	* config/rs6000/xmmintrin.h: For strict-ANSI C++ or C11, undefine
26563	vector, pixel, and bool following altivec.h include.
26564
265652018-04-03  Martin Sebor  <msebor@redhat.com>
26566
26567	* doc/extend.texi (Common Function Attributes): Clarify.
26568	(const attribute): Likewise.
26569	(pure attribute): Likewise.
26570
265712018-04-03  Jakub Jelinek  <jakub@redhat.com>
26572
26573	PR target/85169
26574	* config/i386/i386.c (ix86_expand_vector_set): Use
26575	HOST_WIDE_INT_1U << elt instead of 1 << elt.  Formatting fix.
26576
265772018-04-03  Uros Bizjak  <ubizjak@gmail.com>
26578
26579	* config/i386/i386.c (emit_i387_cw_initialization): Always use logic
26580	instructions when changing rounding bits to preserve precision bits
26581	in the x87 control word.
26582
265832018-04-03  Martin Liska  <mliska@suse.cz>
26584
26585	PR tree-optimization/82491
26586	* rtl.h (strip_offset_and_add): Replace += suboffset with
26587	poly_uint64 () + suboffset.
26588
265892018-03-29  Martin Liska  <mliska@suse.cz>
26590	    Martin Jambor  <mjambor@suse.cz>
26591
26592	PR ipa/84947
26593	* ipa-cp.c (propagate_bits_across_jump_function): Bail out if
26594	param_type is not an integral or pointer type.
26595
265962018-04-03  Richard Biener  <rguenther@suse.de>
26597
26598	* sese.h (recompute_all_dominators): Remove.
26599
266002018-04-02  Martin Sebor  <msebor@redhat.com>
26601
26602	* doc/invoke.texi (-Wrestrict): Fix typos.
26603
266042018-04-02  Jim Wilson  <jimw@sifive.com>
26605
26606	* config/riscv/riscv.h (SHIFT_COUNT_TRUNCATED): Set to zero.
26607	* config/riscv/riscv.md (<optab>si3): Use QImode shift count.
26608	(<optab>di3, <optab>si3_extend): Likewise.
26609	(<optab>si3_mask, <optab>si3_mask_1): New.
26610	(<optab>di3_mask, <optab>di3_mask_1): New.
26611	(<optab>si3_extend_mask, <optab>si3_extend_mask_1): New.
26612	(lshrsi3_zero_extend_1): Use VOIDmode shift count.
26613	* config/riscv/sync.md (atomic_test_and_set): Emit QImode shift count.
26614
266152018-04-02  Gerald Pfeifer  <gerald@pfeifer.com>
26616
26617	* doc/cpp.texi (Variadic Macros): Fix line continuation in an
26618	example.
26619
266202018-04-02  Chung-Ju Wu  <jasonwucj@gmail.com>
26621
26622	* config/nds32/nds32.c (TARGET_CANONICALIZE_COMPARISON): Define.
26623	(nds32_canonicalize_comparison): New function.
26624
266252018-04-01  Chung-Ju Wu  <jasonwucj@gmail.com>
26626	    Kito Cheng  <kito.cheng@gmail.com>
26627	    Kuan-Lin Chen  <kuanlinchentw@gmail.com>
26628
26629	* config.gcc (nds32): Add nds32-relax-opt.o into extra_objs.
26630	* config/nds32/constants.md (unspec_volatile_element): Add
26631	UNSPEC_VOLATILE_RELAX_GROUP.
26632	* config/nds32/nds32-relax-opt.c: New file.
26633	* config/nds32/nds32-predicates.c
26634	(nds32_symbol_load_store_p): New function.
26635	* config/nds32/nds32-protos.h
26636	(nds32_symbol_load_store_p): Declare function.
26637	(make_pass_nds32_relax_opt): Declare new rtl pass function.
26638	* config/nds32/nds32.c
26639	(nds32_register_pass): New function to register pass.
26640	(nds32_register_passes): New function to register passes.
26641	* config/nds32/nds32.md (relax_group): New pattern.
26642	* config/nds32/nds32.opt (mrelax-hint): New option.
26643	* config/nds32/t-nds32 (nds32-relax-opt.o): New dependency.
26644
266452018-04-01  Kito Cheng  <kito.cheng@gmail.com>
26646
26647	* config/nds32/t-nds32: Modify files dependency.
26648
266492018-04-01  Chung-Ju Wu  <jasonwucj@gmail.com>
26650
26651	* config/nds32/nds32.h (FUNCTION_PROFILER): Output newline character.
26652	(PROFILE_HOOK): Define its implementation.
26653
266542018-04-01  Chung-Ju Wu  <jasonwucj@gmail.com>
26655
26656	* config/nds32/nds32.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use unsigned int
26657	type and 32-bit size.
26658
266592018-04-01  Jakub Jelinek  <jakub@redhat.com>
26660
26661	PR middle-end/85090
26662	* config/i386/sse.md (V): Add V64QI and V32HI for TARGET_AVX512F.
26663	(V_128_256): New mode iterator.
26664	(*avx512dq_vextract<shuffletype>64x2_1 splitter): New define_split.
26665	(*avx512f_vextract<shuffletype>32x4_1 splitter): Likewise.
26666	(xop_pcmov_<mode><avxsizesuffix>): Use V_128_256 mode iterator instead
26667	of V.
26668	* config/i386/i386.c (ix86_expand_vector_set): Improve V32HImode and
26669	V64QImode expansion for !TARGET_AVX512BW && TARGET_AVX512F.
26670
266712018-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
26672
26673	PR target/83315
26674	* config/rs6000/xmmintrin.h (_mm_set_ps, _mm_max_ps): Handle (quiet)
26675	NaN inputs correctly.
26676
266772018-03-30  Peter Bergner  <bergner@vnet.ibm.com>
26678
26679	PR target/80546
26680	* config/rs6000/vsx.md (??r): New mode attribute.
26681	(*vsx_mov<mode>_64bit): Use it.
26682	(*vsx_mov<mode>_32bit): Likewise.
26683
266842018-03-30  Martin Sebor  <msebor@redhat.com>
26685
26686	PR tree-optimization/84818
26687	* builtins.c (check_access): Use warning_n.
26688
266892018-03-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
26690
26691	PR target/83822
26692	* config/rs6000/rs6000-string.c (expand_compare_loop): Fix redundant
26693	condition.
26694	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Fix redundant
26695	condition.
26696
266972018-03-30  Julia Koval  <julia.koval@intel.com>
26698
26699	PR target/84413
26700	* x86-tune.def (movx, partial_reg_dependency): Enable for
26701	m_SKYLAKE_AVX512.
26702
267032018-03-29  Vladimir Makarov  <vmakarov@redhat.com>
26704
26705	PR inline-asm/84985
26706	* lra-constraints.c (process_alt_operands): Move setting
26707	this_alternative_matches below.
26708
267092018-03-29  Martin Liska  <mliska@suse.cz>
26710
26711	PR lto/84995.
26712	* doc/invoke.texi: Document how LTO works with debug info.
26713	Describe auto-load support of binutils.  Mention 'x86-64'
26714	as valid option value of -march option.
26715
267162018-03-29  Jakub Jelinek  <jakub@redhat.com>
26717
26718	* config/i386/sse.md (<avx512>_blendm<mode>): Use <sseintprefix>.
26719
26720	PR c/85094
26721	* fold-const.c (operand_equal_p): Handle DEBUG_BEGIN_STMT.
26722	For STATEMENT_LIST, pass down OEP_LEXICOGRAPHIC and maybe
26723	OEP_NO_HASH_CHECK for recursive call, to avoid exponential
26724	checking.
26725
267262018-03-28  Peter Bergner  <bergner@vnet.ibm.com>
26727
26728	PR target/84912
26729	* config/rs6000/rs6000.h (RS6000_BTM_POWERPC64): New define.
26730	(RS6000_BTM_COMMON): Add RS6000_BTM_POWERPC64.
26731	* config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add support
26732	for RS6000_BTM_POWERPC64.
26733	(rs6000_invalid_builtin): Add handling for RS6000_BTM_POWERPC64
26734	(rs6000_builtin_mask_names): Add RS6000_BTM_POWERPC64.
26735	* config/rs6000/rs6000-builtin.def (BU_P7_POWERPC64_MISC_2): New macro
26736	definition.
26737	(DIVDE): Use it.
26738	(DIVDEU): Likewise.
26739
267402018-03-28  Carl Love  <cel@us.ibm.com>
26741
26742	Revert
26743	2017-09-27  Carl Love  <cel@us.ibm.com>
26744
26745	* config/rs6000/rs6000-builtin.def (BU_FP_1MISC_1): Add define macro.
26746	(FCTID, FCTIW): Add BU_FP_MISC_1 macro expansion for builtins.
26747	* config/rs6000/rs6000.md (lrintsfsi2): Add define_insn for the
26748	fctiw instruction.
26749
267502018-03-28  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
26751
26752	* config/rs6000/xmmintrin.h (_mm_max_pi16): Use __vector __bool
26753	instead of __vector bool.
26754	(_mm_max_pu8): Likewise.
26755	(_mm_min_pi16): Likewise.
26756
267572018-03-28  Peter Bergner  <bergner@vnet.ibm.com>
26758
26759	PR target/84912
26760	* config/rs6000/rs6000-builtin.def (DIVWEO): Delete macro expansion.
26761	(DIVWEUO): Likewise.
26762	(DIVDEO): Likewise.
26763	(DIVDEUO): Likewise.
26764	* config/rs6000/rs6000.c (builtin_function_type): Remove support for
26765	DIVWEUO and DIVDEUO.
26766	* config/rs6000/rs6000.md (UNSPEC_DIVEO, UNSPEC_DIVEUO): Delete unspecs.
26767	(UNSPEC_DIV_EXTEND): Remove deleted unspecs.
26768	(div_extend): Likewise.
26769	* doc/extend.texi (__builtin_divweo): Remove documentation for deleted
26770	builtin function.
26771	(__builtin_divweuo): Likewise.
26772	(__builtin_divdeo): Likewise.
26773	(__builtin_divdeuo): Likewise.
26774
267752018-03-28  Jakub Jelinek  <jakub@redhat.com>
26776
26777	PR target/85095
26778	* config/i386/i386.md (*add<mode>3_carry_0, *addsi3_carry_zext_0,
26779	*sub<mode>3_carry_0, *subsi3_carry_zext_0): New patterns.
26780
26781	PR tree-optimization/82004
26782	* gimple-match-head.c (optimize_pow_to_exp): New function.
26783	* match.pd (pow(C,x) -> exp(log(C)*x)): Wrap with #if GIMPLE.
26784	Don't fold to exp if optimize_pow_to_exp is false.
26785
267862018-03-28  Martin Liska  <mliska@suse.cz>
26787
26788	PR other/84819
26789	* calls.c (initialize_argument_information): Fix trailing space.
26790	* common.opt: Fix typo and provide better explanation for
26791	-fsanitize-coverage option.
26792	* config/i386/i386.opt: Fix typo.
26793
267942018-03-28  Jakub Jelinek  <jakub@redhat.com>
26795	    Martin Liska  <mliska@suse.cz>
26796
26797	PR sanitizer/85081
26798	* gimplify.c (asan_poison_variable): Don't do the check for
26799	gimplify_omp_ctxp here.
26800	(gimplify_decl_expr): Do it here.
26801	(gimplify_target_expr): Likewise.
26802
268032018-03-28  Martin Liska  <mliska@suse.cz>
26804
26805	PR target/84988
26806	* config/i386/i386.c (ix86_function_arg_advance): Do not call
26807	chkp_type_bounds_count if MPX is not enabled.
26808
268092018-03-27  Chung-Ju Wu  <jasonwucj@gmail.com>
26810
26811	* config/nds32/nds32.h (BRANCH_COST): Adjust cost.
26812
268132018-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
26814
26815	PR target/84914
26816	* config/rs6000/rs6000.c (create_complex_muldiv): New helper
26817	function to create the function decl for complex long double
26818	multiply and divide for -mabi=ieeelongdouble.
26819	(init_float128_ieee): Call it.
26820
268212018-03-27  H.J. Lu  <hongjiu.lu@intel.com>
26822
26823	PR target/85044
26824	* config/i386/i386.c (ix86_trampoline_init): Insert ENDBR for
26825	-fcf-protection=branch -mibt.
26826	* config/i386/i386.h (TRAMPOLINE_SIZE): Increased by 4 bytes.
26827
268282018-03-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
26829
26830	PR target/81863
26831	* config/arm/arm.c (arm_valid_symbolic_address): Handle
26832	arm_word_relocations.
26833
268342018-03-27  Cesar Philippidis  <cesar@codesourcery.com>
26835
26836	PR target/85056
26837	* config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Add '[]' to
26838	extern array declarations.
26839
268402018-03-27  Richard Biener  <rguenther@suse.de>
26841
26842	PR middle-end/84067
26843	* match.pd ((A * C) +- (B * C) -> (A+-B) * C): Guard with
26844	explicit single_use checks.
26845
268462018-03-27  Richard Biener  <rguenther@suse.de>
26847
26848	PR tree-optimization/85082
26849	* tree-ssa-sccvn.c (vn_reference_lookup_or_insert_for_pieces):
26850	Valueize the VUSE.
26851
268522018-03-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
26853
26854	* config.gcc (aarch64*-*-linux*): New TARGET_DEFAULT_ASYNC_UNWIND_TABLES
26855	* common/config/aarch64/aarch64-common.c (aarch64_optimization_table[]):
26856	Turn on fasynchronous-unwind-tables and funwind-tables.
26857
268582018-03-26  Uros Bizjak  <ubizjak@gmail.com>
26859
26860	PR target/85073
26861	* config/i386/i386.md (*bmi_blsr_<mode>_cmp): New insn pattern.
26862	(*bmi_blsr_<mode>_ccz): Ditto.
26863
268642018-03-26  Tom de Vries  <tom@codesourcery.com>
26865
26866	PR tree-optimization/85063
26867	* omp-general.c (offloading_function_p): New function.  Factor out
26868	of ...
26869	* omp-offload.c (pass_omp_target_link::gate): ... here.
26870	* omp-general.h (offloading_function_p): Declare.
26871	* tree-switch-conversion.c (build_one_array): Mark CSWTCH.x variable
26872	with attribute omp declare target for offloading functions.
26873
268742018-03-24  Richard Sandiford  <richard.sandiford@linaro.org>
26875
26876	PR tree-optimization/84005
26877	* tree-data-ref.h (get_base_for_alignment): Declare.
26878	* tree-data-ref.c (get_base_for_alignment_1): New function.
26879	(get_base_for_alignment): Likewise.
26880	* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
26881	get_base_for_alignment to find a suitable base object, instead
26882	of always using drb->base_address.
26883
268842018-03-23  Jakub Jelinek  <jakub@redhat.com>
26885
26886	PR inline-asm/85022
26887	* emit-rtl.c (init_emit_regs): Indicate that VOIDmode MEMs don't have
26888	known size by default.
26889
268902018-03-23  Vladimir Makarov  <vmakarov@redhat.com>
26891
26892	PR inline-asm/85030
26893	* lra-constraints.c (process_alt_operands): Don't match BLKmode
26894	and non BLKmode operands.
26895
268962018-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
26897
26898	PR target/85026
26899	* config/arm/arm.md (unaligned_loadhis): Remove first alternative.
26900	Clean up attributes.
26901
269022018-03-23  Richard Biener  <rguenther@suse.de>
26903
26904	PR debug/85020
26905	* dwarf2out.c (rtl_for_decl_location): Do not generate RTL early when
26906	we are going to emit early debug for LTO.
26907
269082018-03-23  Jakub Jelinek  <jakub@redhat.com>
26909
26910	PR inline-asm/85034
26911	* function.c (match_asm_constraints_1): Don't optimize if input
26912	doesn't satisfy general_operand predicate for output's mode.
26913
26914	PR inline-asm/85022
26915	* alias.c (write_dependence_p): Don't require for x_canonicalized
26916	non-VOIDmode if x has VOIDmode.
26917
26918	PR sanitizer/85029
26919	* sanopt.c (maybe_optimize_ubsan_ptr_ifn): If DECL_REGISTER (base),
26920	just don't try to optimize it rather than assert it never happens.
26921
269222018-03-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>
26923
26924	* config/rs6000/rs6000-builtin.def: Remove various BU_ALTIVEC_X
26925	macro expansions for definition of ST_INTERNAL_<mode> and
26926	LD_INTERNAL_<mode> builtins.
26927	* config/rs6000/rs6000-protos.h (rs6000_address_for_altivec):
26928	Remove prototype.
26929	* config/rs6000/rs6000.c (altivec_expand_ld_builtin): Delete this
26930	function.
26931	(altivec_expand_st_builtin): Likewise.
26932	(altivec_expand_builtin): Remove calls to deleted functions.
26933	(rs6000_address_for_altivec): Delete this function.
26934	* config/rs6000/vector.md: Remove expands for
26935	vector_altivec_load_<mode> and vector_altivec_store_<mode>.
26936
269372018-03-22  Sudakshina Das  <sudi.das@arm.com>
26938
26939	PR target/84826
26940	* config/arm/arm.h (machine_function): Add static_chain_stack_bytes.
26941	* config/arm/arm.c (arm_compute_static_chain_stack_bytes): Avoid
26942	re-computing once computed.
26943	(arm_expand_prologue): Compute machine->static_chain_stack_bytes.
26944	(arm_init_machine_status): Initialize
26945	machine->static_chain_stack_bytes.
26946
269472018-03-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>
26948
26949	PR target/84760
26950	* doc/extend.texi: Add four new prototypes for vec_ld.
26951	* config/rs6000/rs6000-builtin.def (LVX_V1TI): Reorder symbol
26952	definitions for more logical presentation.
26953	* config/rs6000/rs6000-c.c: (altivec_overloaded_builtins): Add
26954	entries for V1TI variants of __builtin_altivec_ld builtin.
26955	* config/rs6000/rs6000.c: (altivec_expand_lv_builtin): Add test and
26956	handling of V1TI variant of LVX icode pattern.
26957	(altivec_expand_builtin): Add case for ALTIVEC_BUILTIN_LVX_V1TI.
26958	(rs6000_gimple_fold_builtin): Likewise.
26959	(altivec_init_builtins): Add code to define
26960	__builtin_altivec_lvx_v1ti function.
26961
269622018-03-22  Jakub Jelinek  <jakub@redhat.com>
26963
26964	PR inline-asm/84941
26965	* function.c (match_asm_constraints_1): Don't do the optimization
26966	if input isn't a REG, SUBREG, MEM or constant.
26967
269682018-03-22  Tom de Vries  <tom@codesourcery.com>
26969
26970	PR tree-optimization/84956
26971	* tree-ssa-tail-merge.c (find_clusters_1): Skip bbs with
26972	bb_has_abnormal_pred.
26973
269742018-03-22  Jakub Jelinek  <jakub@redhat.com>
26975
26976	PR sanitizer/85018
26977	* dwarf2asm.c (dw2_output_indirect_constant_1): Set
26978	DECL_INITIAL (decl) to decl at the end.
26979	* varasm.c (use_blocks_for_decl_p): Revert the 2018-03-20 change,
26980	adjust the comment.
26981
269822018-03-21  Joseph Myers  <joseph@codesourcery.com>
26983
26984	* doc/extend.texi (__builtin_tgmath): Document when complex
26985	integer types are treated as _Complex _Float64.
26986
269872018-03-21  Tom de Vries  <tom@codesourcery.com>
26988
26989	* doc/extend.texi (__builtin_extend_pointer): Remove pasto.
26990
269912018-03-21  Jakub Jelinek  <jakub@redhat.com>
26992
26993	PR tree-optimization/84960
26994	* tree-cfg.c (remove_bb): Don't move forced labels into bb->prev_bb
26995	if it is ENTRY block, move them into single succ of ENTRY in that case.
26996
269972018-03-21  Richard Sandiford  <richard.sandiford@linaro.org>
26998
26999	PR tree-optimization/84811
27000	* poly-int.h (poly_span_traits): Remove the T3 parameter and
27001	promote HOST_WIDE_INT T2 - T1 results to unsigned HOST_WIDE_INT.
27002	(maybe_in_range_p, known_in_range_p, ranges_known_overlap_p):
27003	(known_subrange_p): Update accordingly.  Cast each value involved
27004	in the size comparison, rather than casting the result of the
27005	subtraction.
27006
270072018-03-21  Jakub Jelinek  <jakub@redhat.com>
27008
27009	PR tree-optimization/84982
27010	* gimple-ssa-store-merging.c (invert_op): Handle boolean inversion
27011	by flipping the least significant bit rather than all bits from
27012	bitpos to bitpos + bitsize - 1.
27013
270142018-03-21  Nathan Sidwell  <nathan@acm.org>
27015
27016	* doc/extend.texi (Deprecated Features): Remove mention of
27017	long-deleted deprecations.
27018
270192018-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27020
27021	PR jit/84288
27022	* configure.ac (gcc_cv_ld_soname) <*-*-solaris2*>: Set.
27023	* configure: Regenerate.
27024
270252018-03-21  Tom de Vries  <tom@codesourcery.com>
27026
27027	PR tree-optimization/83126
27028	* tree-parloops.c (num_phis): New function.
27029	(gen_parallel_loop): Detect and handle canonicalize_loop_ivs failure.
27030
270312018-03-21  Nathan Sidwell  <nathan@acm.org>
27032
27033	* doc/extend.texi (Deprecated Features): Update deprecated flags,
27034	mention anon-struct/union members and trailing attributes.
27035
270362018-03-21  Bin Cheng  <bin.cheng@arm.com>
27037
27038	PR tree-optimization/84969
27039	* tree-loop-distribution.c (fuse_memset_builtins): Don't reorder
27040	builtin memset partitions if they set different rhs values.
27041
270422018-03-21  Jakub Jelinek  <jakub@redhat.com>
27043
27044	PR rtl-optimization/84989
27045	* simplify-rtx.c (simplify_unary_operation_1): Don't try to simplify
27046	VEC_DUPLICATE with scalar result mode.
27047
270482018-03-21  Martin Liska  <mliska@suse.cz>
27049
27050	PR ipa/84963
27051	* ipa-icf.c (sem_item_optimizer::fixup_points_to_sets): Remove
27052	not intended return statement.
27053
270542018-03-21  Martin Liska  <mliska@suse.cz>
27055
27056	PR target/84988
27057	* tree-chkp.c (CHKP_ARRAY_MAX_CHECK_STEPS): Define a new macro.
27058	(chkp_find_bound_slots_1): Limit number of iterations.
27059
270602018-03-20  David H. Gutteridge  <dhgutteridge@sympatico.ca>
27061
27062	PR target/84838
27063	* Minor grammar fixes for x86 options.
27064
270652018-03-20  Jakub Jelinek  <jakub@redhat.com>
27066
27067	PR debug/84875
27068	* dce.c (delete_unmarked_insns): Don't remove frame related noop moves
27069	holding REG_CFA_RESTORE notes, instead turn them into a USE.
27070
270712018-03-20  Peter Bergner  <bergner@vnet.ibm.com>
27072
27073	PR target/83789
27074	* config/rs6000/altivec.md (altivec_lvx_<mode>_2op): Delete define_insn.
27075	(altivec_lvx_<mode>_1op): Likewise.
27076	(altivec_stvx_<mode>_2op): Likewise.
27077	(altivec_stvx_<mode>_1op): Likewise.
27078	(altivec_lvx_<VM2:mode>): New define_expand.
27079	(altivec_stvx_<VM2:mode>): Likewise.
27080	(altivec_lvx_<VM2:mode>_2op_<P:mptrsize>): New define_insn.
27081	(altivec_lvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
27082	(altivec_stvx_<VM2:mode>_2op_<P:mptrsize>): Likewise.
27083	(altivec_stvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
27084	* config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Use new expanders.
27085	(rs6000_gen_lvx): Likewise.
27086	* config/rs6000/rs6000.c (altivec_expand_lv_builtin): Likewise.
27087	(altivec_expand_stv_builtin): Likewise.
27088	(altivec_expand_builtin): Likewise.
27089	* config/rs6000/vector.md: Likewise.
27090
270912018-03-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
27092
27093	PR target/82518
27094	* config/arm/arm.c (arm_array_mode_supported_p): Return false for
27095	BYTES_BIG_ENDIAN.
27096
270972018-03-20  Richard Biener  <rguenther@suse.de>
27098
27099	PR target/84986
27100	* config/i386/i386.c (ix86_add_stmt_cost): Only cost
27101	sign-conversions as zero, fall back to standard scalar_stmt
27102	cost for the rest.
27103
271042018-03-20  Martin Liska  <mliska@suse.cz>
27105
27106	PR ipa/84825
27107	* predict.c (rebuild_frequencies): Handle case when we have
27108	PROFILE_ABSENT, but flag_guess_branch_prob is false.
27109
271102018-03-20  Jakub Jelinek  <jakub@redhat.com>
27111
27112	PR target/84990
27113	* dwarf2asm.c (dw2_output_indirect_constant_1): Temporarily turn off
27114	flag_section_anchors.
27115	* varasm.c (use_blocks_for_decl_p): Remove hack for
27116	dw2_force_const_mem.
27117
27118	PR target/84845
27119	* config/aarch64/aarch64.md (*aarch64_reg_<mode>3_neg_mask2): Rename
27120	to ...
27121	(*aarch64_<optab>_reg_<mode>3_neg_mask2): ... this.  If pseudos can't
27122	be created, use lowpart_subreg of operands[0] rather than operands[0]
27123	itself.
27124	(*aarch64_reg_<mode>3_minus_mask): Rename to ...
27125	(*aarch64_ashl_reg_<mode>3_minus_mask): ... this.
27126	(*aarch64_<optab>_reg_di3_mask2): Use const_int_operand predicate
27127	and n constraint instead of aarch64_shift_imm_di and Usd.
27128	(*aarch64_reg_<optab>_minus<mode>3): Rename to ...
27129	(*aarch64_<optab>_reg_minus<mode>3): ... this.
27130
271312018-03-20  Sudakshina Das  <sudi.das@arm.com>
27132
27133	PR target/82989
27134	* config/arm/neon.md (ashldi3_neon): Update ?s for constraints
27135	to favor GPR over NEON registers.
27136	(<shift>di3_neon): Likewise.
27137
271382018-03-20  Tom de Vries  <tom@codesourcery.com>
27139
27140	PR target/84952
27141	* config/nvptx/nvptx.c (nvptx_single): Don't neuter bar.sync.
27142	(nvptx_process_pars): Emit bar.sync asap and alap.
27143
271442018-03-20  Tom de Vries  <tom@codesourcery.com>
27145
27146	PR target/84954
27147	* config/nvptx/nvptx.c (prevent_branch_around_nothing): Also update
27148	seen_label if seen_label is already set.
27149
271502018-03-20  Jakub Jelinek  <jakub@redhat.com>
27151
27152	PR target/84945
27153	* config/i386/i386.c (fold_builtin_cpu): For features above 31
27154	use __cpu_features2 variable instead of __cpu_model.__cpu_features[0].
27155	Use 1U instead of 1.  Formatting fixes.
27156
27157	PR c/84953
27158	* builtins.c (fold_builtin_strpbrk): For strpbrk(x, "") use type
27159	instead of TREE_TYPE (s1) for the return value.
27160
271612018-03-19  Jakub Jelinek  <jakub@redhat.com>
27162
27163	PR tree-optimization/84946
27164	* gimple-ssa-store-merging.c (mem_valid_for_store_merging): Compute
27165	bitsize + bitsize in poly_uint64 rather than poly_int64.
27166
27167	PR sanitizer/78651
27168	* dwarf2asm.c: Include fold-const.c.
27169	(dw2_output_indirect_constant_1): Set DECL_INITIAL (decl) to ADDR_EXPR
27170	of decl rather than decl itself.
27171
27172	PR rtl-optimization/84643
27173	* memmodel.h (enum memmodel): Add MEMMODEL_MAX enumerator.
27174
271752018-03-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
27176
27177	PR sanitizer/78651
27178	* dwarf2asm.c (dw2_output_indirect_constant_1): Disable ASan before
27179	calling assemble_variable.
27180
271812018-03-19  Sudakshina Das  <sudi.das@arm.com>
27182
27183	PR target/81647
27184	* config/aarch64/aarch64-simd.md (vec_cmp<mode><v_int_equiv>): Modify
27185	instructions for UNLT, UNLE, UNGT, UNGE, UNEQ, UNORDERED and ORDERED.
27186
271872018-03-19  Jim Wilson  <jimw@sifive.com>
27188
27189	PR bootstrap/84856
27190	* config/riscv/riscv.c (riscv_function_arg_boundary): Use
27191	PREFERRED_STACK_BOUNDARY instead of STACK_BOUNDARY.
27192	(riscv_first_stack_step): Likewise.
27193	(riscv_option_override): Use STACK_BOUNDARY instead of
27194	MIN_STACK_BOUNDARY.
27195	* config/riscv/riscv.h (STACK_BOUNDARY): Renamed from
27196	MIN_STACK_BOUNDARY.
27197	(BIGGEST_ALIGNMENT): Set to 128.
27198	(PREFERRED_STACK_BOUNDARY): Renamed from STACK_BOUNDARY.
27199	(RISCV_STACK_ALIGN): Use PREFERRED_STACK_BOUNDARY instead of
27200	STACK_BOUNDARY.
27201
272022018-03-19  Richard Biener  <rguenther@suse.de>
27203
27204	PR tree-optimization/84933
27205	* tree-vrp.c (set_and_canonicalize_value_range): Treat out-of-bound
27206	values as -INF/INF when canonicalizing an ANTI_RANGE to a RANGE.
27207
272082018-03-19  Richard Biener  <rguenther@suse.de>
27209
27210	PR tree-optimization/84859
27211	* tree-ssa-phiopt.c (single_trailing_store_in_bb): New function.
27212	(cond_if_else_store_replacement): Perform sinking operation on
27213	single-store BBs regardless of MAX_STORES_TO_SINK setting.
27214	Generalize what a BB with a single eligible store is.
27215
272162018-03-19  Richard Biener  <rguenther@suse.de>
27217
27218	PR tree-optimization/84929
27219	* tree-data-ref.c (analyze_siv_subscript_cst_affine): Guard
27220	chrec_is_positive against non-chrec arg.
27221
272222018-03-19  Tamar Christina  <tamar.christina@arm.com>
27223
27224	PR target/84711
27225	* config/arm/arm.c (arm_can_change_mode_class): revert r258554.
27226
272272018-03-18  Martin Liska  <mliska@suse.cz>
27228
27229	PR rtl-optimization/84635
27230	* regrename.c (build_def_use): Use matches_mode only when
27231	matches >= 0.
27232
272332018-03-18  Richard Sandiford  <richard.sandiford@linaro.org>
27234
27235	PR tree-optimization/84913
27236	* tree-vect-loop.c (vectorizable_reduction): Don't try to
27237	vectorize chains of COND_EXPRs.
27238
272392018-03-18  Chung-Ju Wu  <jasonwucj@gmail.com>
27240
27241	* config/nds32/nds32.h (MAX_REGS_PER_ADDRESS): Fix the value.
27242
272432018-03-18  Chung-Ju Wu  <jasonwucj@gmail.com>
27244
27245	* config/nds32/nds32.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Define.
27246
272472018-03-18  Chung-Ju Wu  <jasonwucj@gmail.com>
27248
27249	* config/nds32/nds32.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
27250
272512018-03-17  Chung-Ju Wu  <jasonwucj@gmail.com>
27252	    Kito Cheng  <kito.cheng@gmail.com>
27253
27254	* config/nds32/nds32-protos.h (nds32_adjust_reg_alloc_order): Declare.
27255	* config/nds32/nds32.c (nds32_reg_alloc_order_for_speed): New array.
27256	(nds32_adjust_reg_alloc_order): New function.
27257	* config/nds32/nds32.h (ADJUST_REG_ALLOC_ORDER): Define.
27258
272592018-03-17  Kito Cheng  <kito.cheng@gmail.com>
27260
27261	* config/nds32/nds32.c (nds32_asm_output_mi_thunk,
27262	nds32_print_operand, nds32_print_operand_address): Use
27263	HOST_WIDE_INT_PRINT_DEC instead.
27264
272652018-03-17  Chung-Ju Wu  <jasonwucj@gmail.com>
27266
27267	* config/nds32/nds32.c (nds32_register_priority): Modify cost.
27268
272692018-03-17  Jakub Jelinek  <jakub@redhat.com>
27270
27271	PR target/84902
27272	* config/i386/i386.c (initial_ix86_tune_features,
27273	initial_ix86_arch_features): Use unsigned HOST_WIDE_INT rather than
27274	unsigned long long.
27275	(set_ix86_tune_features): Change ix86_tune_mask from unsigned int
27276	to unsigned HOST_WIDE_INT, initialize to HOST_WIDE_INT_1U << ix86_tune
27277	rather than 1u << ix86_tune.  Formatting fix.
27278	(ix86_option_override_internal): Change ix86_arch_mask from
27279	unsigned int to unsigned HOST_WIDE_INT, initialize to
27280	HOST_WIDE_INT_1U << ix86_arch rather than 1u << ix86_arch.
27281	(ix86_function_specific_restore): Likewise.
27282
272832018-03-16  Jakub Jelinek  <jakub@redhat.com>
27284
27285	PR target/84899
27286	* postreload.c (reload_combine_recognize_pattern): Perform
27287	INTVAL addition in unsigned HOST_WIDE_INT type to avoid UB and
27288	truncate_int_for_mode the result for the destination's mode.
27289
27290	PR c/84909
27291	* hsa-gen.c (mem_type_for_type): Fix comment typo.
27292	* tree-vect-loop-manip.c (vect_create_cond_for_niters_checks):
27293	Likewise.
27294	* gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset):
27295	Likewise.
27296
272972018-03-16  Vladimir Makarov  <vmakarov@redhat.com>
27298
27299	PR target/84876
27300	* lra-assigns.c (lra_split_hard_reg_for): Don't use
27301	regno_allocno_class_array and sorted_pseudos.
27302	* lra-constraints.c (spill_hard_reg_in_range): Ignore hard regs in
27303	insns where regno is used.
27304
273052018-03-16  Martin Liska  <mliska@suse.cz>
27306
27307	PR ipa/84833
27308	* multiple_target.c (create_dispatcher_calls): Redirect
27309	reference in the symbol table.
27310
273112018-03-16  Martin Liska  <mliska@suse.cz>
27312
27313	PR ipa/84722
27314	* multiple_target.c (create_dispatcher_calls): Redirect also
27315	an alias.
27316
273172018-03-16  Jakub Jelinek  <jakub@redhat.com>
27318
27319	PR c++/79937
27320	PR c++/82410
27321	* tree.h (TARGET_EXPR_NO_ELIDE): Define.
27322	* gimplify.c (gimplify_modify_expr_rhs): Don't elide TARGET_EXPRs with
27323	TARGET_EXPR_NO_ELIDE flag set unless *expr_p is INIT_EXPR.
27324
273252018-03-16  Julia Koval  <julia.koval@intel.com>
27326
27327	* doc/invoke.texi (Skylake Server): Add CLWB.
27328	Cannonlake): Remove CLWB.
27329
273302018-03-16  Jakub Jelinek  <jakub@redhat.com>
27331
27332	PR tree-optimization/84841
27333	* tree-ssa-reassoc.c (INTEGER_CONST_TYPE): Change to 1 << 4 from
27334	1 << 3.
27335	(FLOAT_ONE_CONST_TYPE): Define.
27336	(constant_type): Return FLOAT_ONE_CONST_TYPE for -1.0 and 1.0.
27337	(sort_by_operand_rank): Put entries with higher constant_type last
27338	rather than first to match comments.
27339
273402018-03-15  Sandra Loosemore  <sandra@codesourcery.com>
27341
27342	* config/nios2/nios2.md (movsi_internal): Fix thinko in
27343	split predicate.
27344
273452018-03-15  Jakub Jelinek  <jakub@redhat.com>
27346
27347	PR c++/79085
27348	* calls.c (expand_call): For TREE_ADDRESSABLE rettype ignore alignment
27349	check and use address of target always.
27350
273512018-03-15  H.J. Lu  <hongjiu.lu@intel.com>
27352
27353	PR target/84574
27354	* config/i386/i386.c (indirect_thunk_needed): Update comments.
27355	(indirect_thunk_bnd_needed): Likewise.
27356	(indirect_thunks_used): Likewise.
27357	(indirect_thunks_bnd_used): Likewise.
27358	(indirect_return_needed): New.
27359	(indirect_return_bnd_needed): Likewise.
27360	(output_indirect_thunk_function): Add a bool argument for
27361	function return.
27362	(output_indirect_thunk_function): Don't generate alias for
27363	function return thunk.
27364	(ix86_code_end): Call output_indirect_thunk_function to generate
27365	function return thunks.
27366	(ix86_output_function_return): Set indirect_return_bnd_needed
27367	and indirect_return_needed instead of indirect_thunk_bnd_needed
27368	and indirect_thunk_needed.
27369
273702018-03-15  Olga Makhotina  <olga.makhotina@intel.com>
27371
27372	* config/i386/sgxintrin.h (_enclv_u32): New intrinsic.
27373	(__enclv_bc, __enclv_cd, __enclv_generic): New definitions.
27374	(ERDINFO, ETRACKC, ELDBC, ELDUC): New leaves.
27375
273762018-03-15  David Malcolm  <dmalcolm@redhat.com>
27377	    Paul Hua  <paul.hua.gm@gmail.com>
27378
27379	PR c/84852
27380	* gcc.dg/fixits-pr84852-1.c: Fix filename in dg-regexp.
27381
273822018-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
27383
27384	* config/rs6000/rs6000.c (abi_v4_pass_in_fpr): Add back the
27385	TARGET_DOUBLE_FLOAT and TARGET_SINGLE_FLOAT conditions on the DFmode
27386	resp. SFmode cases.
27387
273882018-03-15  Tamar Christina  <tamar.christina@arm.com>
27389
27390	PR target/84711
27391	* config/arm/arm.c (arm_can_change_mode_class): Use GET_MODE_UNIT_SIZE
27392	instead of GET_MODE_SIZE when comparing Units.
27393
273942018-03-15  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>
27395
27396	PR target/68256
27397	* varasm.c (hash_section): Return an unchangeble hash value
27398	* config/aarch64/aarch64.c (aarch64_use_blocks_for_constant_p):
27399	Return !aarch64_can_use_per_function_literal_pools_p ().
27400
274012018-03-15  Jakub Jelinek  <jakub@redhat.com>
27402
27403	PR target/84860
27404	* optabs.c (emit_conditional_move): Pass address of cmode's copy
27405	rather than address of cmode as last argument to prepare_cmp_insn.
27406
274072018-03-15  Julia Koval  <julia.koval@intel.com>
27408
27409	* config/i386/i386.c (F_AVX512VBMI2, F_GFNI, F_VPCLMULQDQ,
27410	F_AVX512VNNI, F_AVX512BITALG): New.
27411
274122018-03-14  John David Anglin  <danglin@gcc.gnu.org>
27413
27414	PR target/83451
27415	* config/pa/pa.c (pa_emit_move_sequence):  Always emit secondary reload
27416	insn for floating-point loads and stores.
27417
274182018-03-14  Carl Love  <cel@us.ibm.com>
27419
27420	* config/rs6000/rs6000-c.c: Add macro definitions for
27421	ALTIVEC_BUILTIN_VEC_PERMXOR.
27422	* config/rs6000/rs6000.h: Add #define for vec_permxor builtin.
27423	* config/rs6000/rs6000-builtin.def: Add macro expansions for VPERMXOR.
27424	* config/rs6000/altivec.md (altivec_vpermxor): New define expand.
27425	* config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Add case
27426	UNSPEC_VPERMXOR.
27427	* config/doc/extend.texi: Add prototypes for vec_permxor.
27428
274292018-03-14  David Malcolm  <dmalcolm@redhat.com>
27430
27431	PR c/84852
27432	* diagnostic-show-locus.c (class layout_point): Convert m_line
27433	from int to linenum_type.
27434	(line_span::comparator): Use linenum "compare" function when
27435	comparing line numbers.
27436	(test_line_span): New function.
27437	(layout_range::contains_point): Convert param "row" from int to
27438	linenum_type.
27439	(layout_range::intersects_line_p): Likewise.
27440	(layout::will_show_line_p): Likewise.
27441	(layout::print_source_line): Likewise.
27442	(layout::should_print_annotation_line_p): Likewise.
27443	(layout::print_annotation_line): Likewise.
27444	(layout::print_leading_fixits): Likewise.
27445	(layout::annotation_line_showed_range_p): Likewise.
27446	(struct line_corrections): Likewise for field m_row.
27447	(line_corrections::line_corrections): Likewise for param "row".
27448	(layout::print_trailing_fixits): Likewise.
27449	(layout::get_state_at_point): Likewise.
27450	(layout::get_x_bound_for_row): Likewise.
27451	(layout::print_line): Likewise.
27452	(diagnostic_show_locus): Likewise for locals "last_line" and "row".
27453	(selftest::diagnostic_show_locus_c_tests): Call test_line_span.
27454	* input.c (selftest::test_linenum_comparisons): New function.
27455	(selftest::input_c_tests): Call it.
27456	* selftest.c (selftest::test_assertions): Test ASSERT_GT,
27457	ASSERT_GT_AT, ASSERT_LT, and ASSERT_LT_AT.
27458	* selftest.h (ASSERT_GT): New macro.
27459	(ASSERT_GT_AT): New macro.
27460	(ASSERT_LT): New macro.
27461	(ASSERT_LT_AT): New macro.
27462
274632018-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
27464
27465	PR rtl-optimization/84780
27466	* combine.c (distribute_links): Don't make a link based on pc_rtx.
27467
274682018-03-14  Martin Liska  <mliska@suse.cz>
27469
27470	* tree.c (record_node_allocation_statistics): Use
27471	get_stats_node_kind.
27472	(get_stats_node_kind): New function extracted from
27473	record_node_allocation_statistics.
27474	(free_node): Use get_stats_node_kind.
27475
274762018-03-14  Richard Biener  <rguenther@suse.de>
27477
27478	* tree-ssa-pre.c (compute_antic_aux): Remove code that asserts
27479	that the value-set of ANTIC_IN doesn't grow.
27480
27481	Revert
27482	* tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs
27483	member.
27484	(BB_VISITED_WITH_VISITED_SUCCS): New define.
27485	(compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS.
27486
274872018-03-14  Julia Koval  <julia.koval@intel.com>
27488
27489	* config.gcc (icelake-client, icelake-server): New.
27490	(icelake): Remove.
27491	* config/i386/i386.c (initial_ix86_tune_features): Extend to 64 bit.
27492	(initial_ix86_arch_features): Ditto.
27493	(PTA_SKYLAKE): Add SGX.
27494	(PTA_ICELAKE): Remove.
27495	(PTA_ICELAKE_CLIENT): New.
27496	(PTA_ICELAKE_SERVER): New.
27497	(ix86_option_override_internal): Split up icelake on icelake client and
27498	icelake server.
27499	(get_builtin_code_for_version): Ditto.
27500	(fold_builtin_cpu): Ditto.
27501	* config/i386/driver-i386.c (config/i386/driver-i386.c): Ditto.
27502	* config/i386/i386-c.c (ix86_target_macros_internal): Ditto
27503	* config/i386/i386.h (processor_type): Ditto.
27504	* doc/invoke.texi: Ditto.
27505
275062018-03-14  Jakub Jelinek  <jakub@redhat.com>
27507
27508	PR sanitizer/83392
27509	* sanopt.c (maybe_optimize_ubsan_ptr_ifn): Handle also
27510	INTEGER_CST offset, add it together with bitpos / 8 and
27511	sign extend based on POINTER_SIZE.
27512
27513	PR target/84844
27514	Revert
27515	2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
27516
27517	PR target/78090
27518	* config/i386/constraints.md (Yc): New register constraint.
27519	* config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
27520	Use Yc constraint for alternative 2 of operand 0.  Remove
27521	preferred_for_speed attribute.
27522
275232018-03-14  Richard Biener  <rguenther@suse.de>
27524
27525	PR tree-optimization/84830
27526	* tree-ssa-pre.c (compute_antic_aux): Intersect the new ANTIC_IN
27527	with the old one to avoid oscillations.
27528
275292018-03-13  Vladimir Makarov  <vmakarov@redhat.com>
27530
27531	PR target/83712
27532	* lra-assigns.c (find_all_spills_for): Ignore uninteresting
27533	pseudos.
27534	(assign_by_spills): Return a flag of reload assignment failure.
27535	Do not process the reload assignment failures.  Do not spill other
27536	reload pseudos if they has the same reg class.  Update n if
27537	necessary.
27538	(lra_assign): Add a return arg.  Set up from the result of
27539	assign_by_spills call.
27540	(find_reload_regno_insns, lra_split_hard_reg_for): New functions.
27541	* lra-constraints.c (split_reg): Add a new arg.  Use it instead of
27542	usage_insns if it is not NULL.
27543	(spill_hard_reg_in_range): New function.
27544	(split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg.
27545	* lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New
27546	function prototypes.
27547	(lra_assign): Change prototype.
27548	* lra.c (lra): Add code to deal with fails by splitting hard reg
27549	live ranges.
27550
275512018-03-01  Palmer Dabbelt  <palmer@sifive.com>
27552
27553	* config/riscv/riscv.opt (mrelax): New option.
27554	* config/riscv/riscv.c (riscv_file_start): Emit ".option
27555	"norelax" when riscv_mrelax is disabled.
27556	* doc/invoke.texi (RISC-V): Document "-mrelax" and "-mno-relax".
27557
275582018-03-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
27559
27560	PR target/84743
27561	* config/rs6000/rs6000.c (rs6000_reassociation_width): Disable parallel
27562	reassociation for int modes.
27563
275642018-03-13  Richard Sandiford  <richard.sandiford@linaro.org>
27565
27566	* tree-vect-loop-manip.c (vect_maybe_permute_loop_masks):
27567	Reverse the choice between VEC_UNPACK_LO_EXPR and VEC_UNPACK_HI_EXPR
27568	for big-endian.
27569	* config/aarch64/iterators.md (hi_lanes_optab): New int attribute.
27570	* config/aarch64/aarch64-sve.md
27571	(*aarch64_sve_<perm_insn><perm_hilo><mode>): Rename to...
27572	(aarch64_sve_<perm_insn><perm_hilo><mode>): ...this.
27573	(*extend<mode><Vwide>2): Rename to...
27574	(aarch64_sve_extend<mode><Vwide>2): ...this.
27575	(vec_unpack<su>_<perm_hilo>_<mode>): Turn into a define_expand,
27576	renaming the old pattern to...
27577	(aarch64_sve_punpk<perm_hilo>_<mode>): ...this.  Only define
27578	unsigned packs.
27579	(vec_unpack<su>_<perm_hilo>_<SVE_BHSI:mode>): Turn into a
27580	define_expand, renaming the old pattern to...
27581	(aarch64_sve_<su>unpk<perm_hilo>_<SVE_BHSI:mode>): ...this.
27582	(*vec_unpacku_<perm_hilo>_<mode>_no_convert): Delete.
27583	(vec_unpacks_<perm_hilo>_<mode>): Take BYTES_BIG_ENDIAN into
27584	account when deciding which SVE instruction the optab should use.
27585	(vec_unpack<su_optab>_float_<perm_hilo>_vnx4si): Likewise.
27586
275872018-03-13  Richard Sandiford  <richard.sandiford@linaro.org>
27588
27589	* config/aarch64/aarch64.md (V4_REGNUM, V8_REGNUM, V12_REGNUM)
27590	(V20_REGNUM, V24_REGNUM, V28_REGNUM, P1_REGNUM, P2_REGNUM, P3_REGNUM)
27591	(P4_REGNUM, P5_REGNUM, P6_REGNUM, P8_REGNUM, P9_REGNUM, P10_REGNUM)
27592	(P11_REGNUM, P12_REGNUM, P13_REGNUM, P14_REGNUM): New define_constants.
27593	(tlsdesc_small_<mode>): Turn a define_expand and use
27594	tlsdesc_small_sve_<mode> for SVE.  Rename original define_insn to...
27595	(tlsdesc_small_advsimd_<mode>): ...this.
27596	(tlsdesc_small_sve_<mode>): New pattern.
27597
275982018-03-13  Richard Sandiford  <richard.sandiford@linaro.org>
27599
27600	* config/aarch64/iterators.md (UNSPEC_SMUL_HIGHPART)
27601	(UNSPEC_UMUL_HIGHPART): New constants.
27602	(MUL_HIGHPART): New int iteraor.
27603	(su): Handle UNSPEC_SMUL_HIGHPART and UNSPEC_UMUL_HIGHPART.
27604	* config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart): New
27605	define_expand.
27606	(*<su>mul<mode>3_highpart): New define_insn.
27607
276082018-03-13  Eric Botcazou  <ebotcazou@adacore.com>
27609
27610	PR lto/84805
27611	* ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of
27612	incomplete types.
27613
276142018-03-13  Martin Liska  <mliska@suse.cz>
27615
27616	PR ipa/84658.
27617	* (sem_item_optimizer::sem_item_optimizer): Initialize new
27618	vector.
27619	(sem_item_optimizer::~sem_item_optimizer): Release it.
27620	(sem_item_optimizer::merge_classes): Register variable aliases.
27621	(sem_item_optimizer::fixup_pt_set): New function.
27622	(sem_item_optimizer::fixup_points_to_sets): Likewise.
27623	* ipa-icf.h: Declare new variables and functions.
27624
276252018-03-13  Jakub Jelinek  <jakub@redhat.com>
27626
27627	PR middle-end/84834
27628	* match.pd ((A & C) != 0 ? D : 0): Use INTEGER_CST@2 instead of
27629	integer_pow2p@2 and test integer_pow2p in condition.
27630	(A < 0 ? C : 0): Similarly for @1.
27631
27632	PR middle-end/84831
27633	* stmt.c (parse_output_constraint): If the CONSTRAINT_LEN (*p, p)
27634	characters starting at p contain '\0' character, don't look beyond
27635	that.
27636
27637	PR target/84827
27638	* config/i386/i386.md (round<mode>2): For 387 fancy math, disable
27639	pattern if -ftrapping-math -fno-fp-int-builtin-inexact.
27640
27641	PR target/84828
27642	* reg-stack.c (change_stack): Change update_end var from int to
27643	rtx_insn *, if non-NULL don't update just BB_END (current_block), but
27644	also call set_block_for_insn on the newly added insns and rescan.
27645
27646	PR target/84786
27647	* config/i386/sse.md (sse2_loadhpd): Use Yv constraint rather than v
27648	on the last operand.
27649
27650	PR c++/84704
27651	* tree.c (stabilize_reference_1): Return save_expr (e) for
27652	STATEMENT_LIST even if it doesn't have side-effects.
27653
276542018-03-12  Jonathan Wakely  <jwakely@redhat.com>
27655
27656	* doc/invoke.texi (-mclflushopt): Fix spelling of option.
27657
276582018-03-12  Renlin Li  <renlin.li@arm.com>
27659
27660	* config/aarch64/aarch64.md (movhf_aarch64): Fix mode argument to
27661	aarch64_output_scalar_simd_mov_immediate.
27662
276632018-03-12  Martin Sebor  <msebor@redhat.com>
27664
27665	PR tree-optimization/83456
27666	* gimple-fold.c (gimple_fold_builtin_memory_op): Avoid warning
27667	for perfectly overlapping calls to memcpy.
27668	(gimple_fold_builtin_memory_chk): Same.
27669	(gimple_fold_builtin_strcpy): Handle no-warning.
27670	(gimple_fold_builtin_stxcpy_chk): Same.
27671	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Handle no-warning.
27672
276732018-03-12  Segher Boessenkool  <segher@kernel.crashing.org>
27674
27675	* config/rs6000/rs6000.c (abi_v4_pass_in_fpr): Add bool "named"
27676	parameter.  Use it for SFmode.
27677	(rs6000_function_arg_advance_1): Adjust.
27678	(rs6000_function_arg): Adjust.
27679	(rs6000_gimplify_va_arg): Pass false for that new parameter.
27680
276812018-03-12  Segher Boessenkool  <segher@kernel.crashing.org>
27682
27683	PR rtl-optimization/84169
27684	PR rtl-optimization/84780
27685	* combine.c (can_combine_p): Check for a 2-insn combination whether
27686	the destination register is used between the two insns, too.
27687
276882018-03-12  Richard Biener  <rguenther@suse.de>
27689
27690	PR tree-optimization/84803
27691	* tree-if-conv.c (ifcvt_memrefs_wont_trap): Don't do anything
27692	for refs DR analysis didn't process.
27693
276942018-03-12  Richard Biener  <rguenther@suse.de>
27695
27696	PR tree-optimization/84777
27697	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): For
27698	force-vectorize loops ignore whether we are optimizing for size.
27699
277002018-03-12  Chung-Ju Wu  <jasonwucj@gmail.com>
27701
27702	* config/nds32/nds32.c (nds32_md_asm_adjust): New function.
27703	(TARGET_MD_ASM_ADJUST): Define.
27704
277052018-03-12  Monk Chiang  <sh.chiang04@gmail.com>
27706	    Kito Cheng  <kito.cheng@gmail.com>
27707	    Chung-Ju Wu  <jasonwucj@gmail.com>
27708
27709	* config/nds32/nds32.c (nds32_compute_stack_frame,
27710	nds32_emit_stack_push_multiple, nds32_emit_stack_pop_multiple,
27711	nds32_emit_stack_v3push, nds32_emit_stack_v3pop,
27712	nds32_emit_adjust_frame, nds32_expand_prologue, nds32_expand_epilogue,
27713	nds32_expand_prologue_v3push, nds32_expand_epilogue_v3pop): Refine.
27714	* config/nds32/nds32.h (NDS32_FIRST_CALLEE_SAVE_GPR_REGNUM,
27715	NDS32_LAST_CALLEE_SAVE_GPR_REGNUM, NDS32_V3PUSH_AVAILABLE_P): New.
27716	* config/nds32/nds32.md (prologue, epilogue): Use macro
27717	NDS32_V3PUSH_AVAILABLE_P to do checking.
27718
277192018-03-11  Jakub Jelinek  <jakub@redhat.com>
27720
27721	PR debug/58150
27722	* dwarf2out.c (gen_enumeration_type_die): Don't guard adding
27723	DW_AT_declaration for ENUM_IS_OPAQUE on -gdwarf-4 or -gno-strict-dwarf,
27724	but on TYPE_SIZE.  Don't do anything for ENUM_IS_OPAQUE if not creating
27725	a new die.  Don't set TREE_ASM_WRITTEN if ENUM_IS_OPAQUE.  Guard
27726	addition of most attributes on !orig_type_die or the attribute not
27727	being present already.  Assert TYPE_VALUES is NULL for ENUM_IS_OPAQUE.
27728
277292018-03-11  Kito Cheng  <kito.cheng@gmail.com>
27730	    Chung-Ju Wu  <jasonwucj@gmail.com>
27731
27732	* config/nds32/nds32.c (nds32_cpu_cpp_builtins): Modify to define
27733	__NDS32_VH__ macro.
27734	* config/nds32/nds32.opt (mvh): New option.
27735
277362018-03-11  Kito Cheng  <kito.cheng@gmail.com>
27737	    Chung-Ju Wu  <jasonwucj@gmail.com>
27738
27739	* config/nds32/nds32-protos.h (nds32_cpu_cpp_builtins): Declare
27740	function.
27741	* config/nds32/nds32.c (nds32_cpu_cpp_builtins): New function.
27742	* config/nds32/nds32.h (TARGET_CPU_CPP_BUILTINS): Modify its
27743	definition.
27744
277452018-03-11  Kito Cheng  <kito.cheng@gmail.com>
27746	    Chung-Ju Wu  <jasonwucj@gmail.com>
27747
27748	* config/nds32/nds32-memory-manipulation.c (nds32_expand_strlen): New
27749	function.
27750	* config/nds32/nds32-multiple.md (strlensi): New pattern.
27751	* config/nds32/nds32-protos.h (nds32_expand_strlen): Declare function.
27752
277532018-03-11  Monk Chiang  <sh.chiang04@gmail.com>
27754	    Kito Cheng  <kito.cheng@gmail.com>
27755	    Chung-Ju Wu  <jasonwucj@gmail.com>
27756
27757	* config/nds32/constants.md (unspec_element): Add UNSPEC_FFB,
27758	UNSPEC_FFMISM and UNSPEC_FLMISM.
27759	* config/nds32/nds32-intrinsic.c (bdesc_2arg): Add builtin description
27760	for ffb, ffmism and flmism.
27761	* config/nds32/nds32-intrinsic.md (unspec_ffb): Define new pattern.
27762	(unspec_ffmism): Ditto.
27763	(unspec_flmism): Ditto.
27764	(nds32_expand_builtin_impl): Check if string extension is available.
27765	* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_FFB,
27766	NDS32_BUILTIN_FFMISM and NDS32_BUILTIN_FLMISM.
27767
277682018-03-10  Vladimir Makarov  <vmakarov@redhat.com>
27769
27770	Reverting patch:
27771	2018-03-09  Vladimir Makarov  <vmakarov@redhat.com>
27772
27773	PR target/83712
27774	* lra-assigns.c (assign_by_spills): Return a flag of reload
27775	assignment failure.  Do not process the reload assignment
27776	failures.  Do not spill other reload pseudos if they has the same
27777	reg class.
27778	(lra_assign): Add a return arg.  Set up from the result of
27779	assign_by_spills call.
27780	(find_reload_regno_insns, lra_split_hard_reg_for): New functions.
27781	* lra-constraints.c (split_reg): Add a new arg.  Use it instead of
27782	usage_insns if it is not NULL.
27783	(spill_hard_reg_in_range): New function.
27784	(split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg.
27785	* lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New
27786	function prototypes.
27787	(lra_assign): Change prototype.
27788	* lra.c (lra): Add code to deal with fails by splitting hard reg
27789	live ranges.
27790
277912018-03-10  H.J. Lu  <hongjiu.lu@intel.com>
27792
27793	PR target/84807
27794	* config/i386/i386.opt: Replace Enforcment with Enforcement.
27795
277962018-03-10  Alexandre Oliva  <aoliva@redhat.com>
27797
27798	PR debug/84620
27799	* dwarf2out.h (dw_val_class): Add dw_val_class_symview.
27800	(dw_val_node): Add val_symbolic_view.
27801	* dwarf2out.c (dw_line_info_table): Add symviews_since_reset.
27802	(symview_upper_bound): New.
27803	(new_line_info_table): Initialize symviews_since_reset.
27804	(dwarf2out_source_line): Count symviews_since_reset and set
27805	symview_upper_bound.
27806	(dw_val_equal_p): Handle symview.
27807	(add_AT_symview): New.
27808	(print_dw_val): Handle symview.
27809	(attr_checksum, attr_checksum_ordered): Likewise.
27810	(same_dw_val_p, size_of_die): Likewise.
27811	(value_format, output_die): Likewise.
27812	(add_high_low_attributes): Use add_AT_symview for entry_view.
27813	(dwarf2out_finish): Reset symview_upper_bound, clear
27814	zero_view_p.
27815
278162018-03-09  Peter Bergner  <bergner@vnet.ibm.com>
27817
27818	PR target/83969
27819	* config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New prototype.
27820	Add strict argument and use it.
27821	(rs6000_split_multireg_move): Update for new strict argument.
27822	(mem_operand_gpr): Disallow all non-offsettable addresses.
27823	* config/rs6000/rs6000.md (*movdi_internal64): Use YZ constraint.
27824
278252018-03-09  Jakub Jelinek  <jakub@redhat.com>
27826
27827	PR target/84772
27828	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Mark va_arg_tmp
27829	temporary TREE_ADDRESSABLE before gimplification of BUILT_IN_MEMCPY.
27830	* config/powerpcspe/powerpcspe.c (rs6000_gimplify_va_arg): Likewise.
27831
27832	PR c++/84767
27833	* tree-inline.c (copy_tree_body_r): For INDIRECT_REF of a remapped
27834	decl, use remap_type if we want to use the type.
27835
278362018-03-09  Martin Sebor  <msebor@redhat.com>
27837
27838	PR tree-optimization/84526
27839	* gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset):
27840	Remove dead code.
27841	(builtin_access::generic_overlap): Be prepared to handle non-array
27842	base objects.
27843
278442018-03-09  Alexandre Oliva  <aoliva@redhat.com>
27845
27846	PR rtl-optimization/84682
27847	* lra-constraints.c (process_address_1): Check is_address flag
27848	for address constraints.
27849	(process_alt_operands): Likewise.
27850	* lra.c (lra_set_insn_recog_data): Pass asm operand locs to
27851	preprocess_constraints.
27852	* recog.h (preprocess_constraints): Add oploc parameter.
27853	Adjust callers.
27854	* recog.c (preprocess_constraints): Test address_operand for
27855	CT_ADDRESS constraints.
27856
278572018-03-09  Vladimir Makarov  <vmakarov@redhat.com>
27858
27859	PR target/83712
27860	* lra-assigns.c (assign_by_spills): Return a flag of reload
27861	assignment failure.  Do not process the reload assignment
27862	failures.  Do not spill other reload pseudos if they has the same
27863	reg class.
27864	(lra_assign): Add a return arg.  Set up from the result of
27865	assign_by_spills call.
27866	(find_reload_regno_insns, lra_split_hard_reg_for): New functions.
27867	* lra-constraints.c (split_reg): Add a new arg.  Use it instead of
27868	usage_insns if it is not NULL.
27869	(spill_hard_reg_in_range): New function.
27870	(split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg.
27871	* lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New
27872	function prototypes.
27873	(lra_assign): Change prototype.
27874	* lra.c (lra): Add code to deal with fails by splitting hard reg
27875	live ranges.
27876
278772018-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
27878
27879	PR target/83193
27880	* common/config/arm/arm-common.c (arm_parse_arch_option_name):
27881	Accept complain bool parameter.  Only emit errors if it is true.
27882	(arm_parse_cpu_option_name): Likewise.
27883	(arm_target_thumb_only): Adjust callers of the above.
27884	* config/arm/arm-protos.h (arm_parse_cpu_option_name): Adjust
27885	prototype to take a default true bool parameter.
27886	(arm_parse_arch_option_name): Likewise.
27887
278882018-03-09  David Malcolm  <dmalcolm@redhat.com>
27889	    Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
27890
27891	PR jit/64089
27892	PR jit/84288
27893	* Makefile.in (LD_VERSION_SCRIPT_OPTION, LD_SONAME_OPTION): New.
27894	* configure: Regenerate.
27895	* configure.ac ("linker --version-script option"): New.
27896	("linker soname option"): New.
27897
278982018-03-09  Richard Biener  <rguenther@suse.de>
27899
27900	PR tree-optimization/84775
27901	* tree-if-conv.c (add_bb_predicate_gimplified_stmts): Delink
27902	immediate uses of predicate stmts and mark them modified.
27903
27904	Revert
27905	PR tree-optimization/84178
27906	* tree-if-conv.c (combine_blocks): Move insert_gimplified_predicates
27907	to caller.
27908	(version_loop_for_if_conversion): Delay update_ssa call.
27909	(tree_if_conversion): Delay update_ssa until after predicate
27910	insertion.
27911
279122018-03-09  Eric Botcazou  <ebotcazou@adacore.com>
27913
27914	PR target/84763
27915	* config/i386/winnt.c (i386_pe_seh_cold_init): Use small pre-allocation
27916	when the function accesses prior frames.
27917
279182018-03-08  Jakub Jelinek  <jakub@redhat.com>
27919
27920	PR debug/84456
27921	* dwarf2out.c (dw_loc_list): If list && loc_list->first->next, call
27922	gen_llsym, otherwise call maybe_gen_llsym.
27923
27924	PR inline-asm/84742
27925	* recog.c (asm_operand_ok): Return 0 if multi-character constraint
27926	has ',' character inside of it.
27927
279282018-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
27929
27930	PR target/84748
27931	* config/aarch64/aarch64.md (*compare_cstore<mode>_insn): Mark pattern
27932	as clobbering CC_REGNUM.
27933
279342018-03-08  Richard Biener  <rguenther@suse.de>
27935
27936	PR middle-end/84552
27937	* tree-scalar-evolution.c: Include tree-into-ssa.h.
27938	(follow_copies_to_constant): Do not follow SSA names registered
27939	for update.
27940
279412018-03-08  Richard Biener  <rguenther@suse.de>
27942
27943	PR tree-optimization/84178
27944	* tree-if-conv.c (combine_blocks): Move insert_gimplified_predicates
27945	to caller.
27946	(version_loop_for_if_conversion): Delay update_ssa call.
27947	(tree_if_conversion): Delay update_ssa until after predicate
27948	insertion.
27949
279502018-03-08  David Malcolm  <dmalcolm@redhat.com>
27951
27952	PR tree-optimization/84178
27953	* tree-if-conv.c (release_bb_predicate): Remove the
27954	the assertion that the stmts have NULL use_ops.
27955	Discard the statements, asserting that they haven't
27956	yet been added to a BB.
27957
279582018-03-08  Richard Biener  <rguenther@suse.de>
27959
27960	PR tree-optimization/84746
27961	* tree-ssa-pre.c (find_leader_in_sets): Deal with SET1 being NULL.
27962	(phi_translate): Pass in destination ANTIC_OUT set.
27963	(phi_translate_1): Likewise.  For a simplified result lookup
27964	a leader in ANTIC_OUT and AVAIL_OUT, not the ANTIC_IN sets.
27965	(phi_translate_set): Adjust.
27966	(do_pre_regular_insertion): Likewise.
27967	(do_pre_partial_partial_insertion): Likewise.
27968
279692018-03-08  Martin Liska  <mliska@suse.cz>
27970
27971	PR gcov-profile/84735
27972	* doc/gcov.texi: Document usage of profile files.
27973	* gcov-io.h: Document changes in the format.
27974
279752018-03-08  Alexandre Oliva  <aoliva@redhat.com>
27976
27977	PR debug/84404
27978	PR debug/84408
27979	* dwarf2out.c (struct dw_line_info_table): Update comments for
27980	view == -1.
27981	(FORCE_RESET_NEXT_VIEW): New.
27982	(FORCE_RESETTING_VIEW_P): New.
27983	(RESETTING_VIEW_P): Check for -1 too.
27984	(ZERO_VIEW_P): Likewise.
27985	(new_line_info_table): Force-reset next view.
27986	(dwarf2out_begin_function): Likewise.
27987	(dwarf2out_source_line): Simplify zero_view_p initialization.
27988	Test FORCE_RESETTING_VIEW_P and RESETTING_VIEW_P instead of
27989	view directly.  Omit view when omitting .loc at line 0.
27990
279912018-03-08  Jakub Jelinek  <jakub@redhat.com>
27992
27993	PR tree-optimization/84740
27994	* tree-switch-conversion.c (process_switch): Call build_constructors
27995	only if info.phi_count is non-zero.
27996
27997	PR tree-optimization/84739
27998	* tree-tailcall.c (find_tail_calls): Check call arguments against
27999	DECL_ARGUMENTS (current_function_decl) rather than
28000	DECL_ARGUMENTS (func) when checking for tail recursion.
28001
280022018-03-07  Jakub Jelinek  <jakub@redhat.com>
28003
28004	* doc/contrib.texi: Add entries for Martin Liska, David Malcolm,
28005	Marek Polacek, extend Vladimir Makarov's, Jonathan Wakely's and
28006	Volker Reichelt's entry and add entries for people that perform
28007	GCC fuzzy testing and report numerous bugs.
28008
280092018-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
28010
28011	PR target/82411
28012	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Don't put
28013	readonly data in sdata, if that is disabled.
28014	* config/rs6000/sysv4.opt (mreadonly-in-sdata): New option.
28015	* doc/invoke.texi (RS/6000 and PowerPC Options): Document
28016	-mreadonly-in-sdata option.
28017
280182018-03-07  Martin Sebor  <msebor@redhat.com>
28019
28020	PR tree-optimization/84468
28021	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Consider successor
28022	basic block when looking for nul assignment.
28023
280242018-03-07  Eric Botcazou  <ebotcazou@adacore.com>
28025
28026	PR target/84277
28027	* except.h (output_function_exception_table): Adjust prototype.
28028	* except.c (output_function_exception_table): Remove FNNAME parameter
28029	and add SECTION parameter.  Ouput one part of the table at a time.
28030	* final.c (final_scan_insn_1) <NOTE_INSN_SWITCH_TEXT_SECTIONS>: Output
28031	the first part of the exception table and emit unwind directives.
28032	* config/i386/i386-protos.h (i386_pe_end_cold_function): Declare.
28033	(i386_pe_seh_cold_init): Likewise.
28034	* config/i386/cygming.h (ASM_DECLARE_COLD_FUNCTION_NAME): New macro.
28035	(ASM_DECLARE_COLD_FUNCTION_SIZE): Likewise.
28036	* config/i386/i386.c (x86_expand_epilogue): Fix wording in comment.
28037	(ix86_output_call_insn): Emit a nop in one more case for SEH.
28038	* config/i386/winnt.c: Include except.h.
28039	(struct seh_frame_state): Add reg_offset, after_prologue and
28040	in_cold_section fields.
28041	(i386_pe_seh_end_prologue): Set seh->after_prologue.
28042	(i386_pe_seh_cold_init): New function.
28043	(i386_pe_seh_fini): Add COLD parameter and bail out if it is not equal
28044	to seh->in_cold_section.
28045	(seh_emit_push): Record the offset of the push.
28046	(seh_emit_save): Record the offet of the save.
28047	(i386_pe_seh_unwind_emit): Deal with NOTE_INSN_SWITCH_TEXT_SECTIONS.
28048	Test seh->after_prologue to disregard the epilogue.
28049	(i386_pe_end_function): Pass FALSE to i386_pe_seh_fini.
28050	(i386_pe_end_cold_function): New function.
28051
280522018-03-07  Jakub Jelinek  <jakub@redhat.com>
28053
28054	PR fortran/84565
28055	* config/aarch64/predicates.md (aarch64_simd_reg_or_zero): Use
28056	aarch64_simd_or_scalar_imm_zero rather than aarch64_simd_imm_zero.
28057
28058	PR c++/84704
28059	* gimple-expr.c (create_tmp_var_raw): Set DECL_NAMELESS flag
28060	on tmp_var.
28061	* tree-pretty-print.c (dump_decl_name): For TDF_COMPARE_DEBUG,
28062	don't print names of DECL_NAMELESS DECL_IGNORED_P decls.
28063
28064	PR middle-end/84723
28065	* multiple_target.c: Include tree-inline.h and intl.h.
28066	(expand_target_clones): Diagnose and fail if node->definition and
28067	!tree_versionable_function_p (node->decl).
28068
280692018-03-06  John David Anglin  <danglin@gcc.gnu.org>
28070
28071	* config/pa/pa.h (ASM_GENERATE_INTERNAL_LABEL): Revise to use
28072	sprint_ul.
28073	(ASM_OUTPUT_ADDR_VEC_ELT): Revise for above change.
28074	(ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
28075	* config/pa/pa64-hpux.h (ASM_GENERATE_INTERNAL_LABEL): Revise as above.
28076
280772018-03-06  Jakub Jelinek  <jakub@redhat.com>
28078
28079	PR target/84710
28080	* combine.c (try_combine): Use reg_or_subregno instead of handling
28081	just paradoxical SUBREGs and REGs.
28082
280832018-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
28084
28085	* config/arc/arc.c (arc_finalize_pic): Remove function.
28086	(arc_must_save_register): We use single base PIC register, remove
28087	checks to save/restore the PIC register.
28088	(arc_expand_prologue): Likewise.
28089	* config/arc/arc-protos.h (arc_set_default_type_attributes):
28090	Remove.
28091	(arc_verify_short): Likewise.
28092	(arc_attr_type): Likewise.
28093	* config/arc/arc.c (arc_set_default_type_attributes): Remove.
28094	(walk_stores): Likewise.
28095	(arc_address_cost): Make it static.
28096	(arc_verify_short): Likewise.
28097	(branch_dest): Likewise.
28098	(arc_attr_type): Likewise.
28099	* config/arc/arc.c (TARGET_ADJUST_INSN_LENGTH): Remove.
28100	(TARGET_INSN_LENGTH_PARAMETERS): Likewise.
28101	(arc_final_prescan_insn): Remove inserting the nops due to
28102	hardware hazards.  It is done in reorg step.
28103	(insn_length_variant_t): Remove.
28104	(insn_length_parameters_t): Likewise.
28105	(arc_insn_length_parameters): Likewise.
28106	(arc_get_insn_variants): Likewise.
28107	* config/arc/arc.h (TARGET_UPSIZE_DBR): Remove.
28108
281092018-03-06  Jakub Jelinek  <jakub@redhat.com>
28110
28111	PR inline-asm/84683
28112	* reg-stack.c (move_for_stack_reg): If any_malformed_asm, avoid
28113	assertion failure.
28114
28115	PR tree-optimization/84687
28116	* omp-simd-clone.c (simd_clone_create): Clear DECL_BUILT_IN_CLASS
28117	on new_node->decl.
28118	* match.pd (pow(C,x)*expN(y) -> expN(logN(C)*x+y)): New optimization.
28119
281202018-03-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
28121
28122	* config/rs6000/rs6000-builtin.def (rs6000_speculation_barrier):
28123	Rename to ppc_speculation_barrier.
28124	* config/rs6000/rs6000.c (rs6000_init_builtins): Rename builtin to
28125	__builtin_ppc_speculation_barrier.
28126
281272018-03-05  Jakub Jelinek  <jakub@redhat.com>
28128
28129	PR target/84700
28130	* combine.c (combine_simplify_rtx): Don't try to simplify if
28131	if_then_else_cond returned non-NULL, but either true_rtx or false_rtx
28132	are equal to x.
28133
281342018-03-05  Segher Boessenkool  <segher@kernel.crashing.org>
28135
28136	* config/rs6000/rs6000.c (rs6000_loop_align): Don't align tiny loops
28137	to 32 bytes when compiling for POWER9.
28138
281392018-03-05  Jakub Jelinek  <jakub@redhat.com>
28140
28141	PR target/84564
28142	* config/i386/i386.c (ix86_function_ok_for_sibcall): Check for
28143	regparm >= 3 with no arg reg available also for calls with
28144	flag_force_indirect_call.  Pass decl to ix86_function_regparm.
28145
28146	PR target/84524
28147	* config/i386/sse.md (*<code><mode>3): Replace <mask_prefix3> with
28148	orig,vex.
28149	(*<plusminus_insn><mode>3): Likewise.  Remove <mask_operand3> uses.
28150
281512018-03-05  Peter Bergner  <bergner@vnet.ibm.com>
28152
28153	PR target/84264
28154	* config/rs6000/vector.md (mov<mode>): Disallow altivec memory operands.
28155
281562018-03-05  Richard Biener  <rguenther@suse.de>
28157
28158	PR tree-optimization/84486
28159	* tree-ssa-pre.c (create_expression_by_pieces): Remove dead code.
28160	When inserting a __builtin_assume_aligned call set the LHS
28161	SSA name alignment info accordingly.
28162
281632018-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
28164
28165	PR tree-optimization/84114
28166	* config/aarch64/aarch64.c (aarch64_reassociation_width)
28167	Avoid reassociation of FLOAT_MODE addition.
28168
281692018-03-05  Olga Makhotina  <olga.makhotina@intel.com>
28170
28171	* common/config/i386/i386-common.c (OPTION_MASK_ISA_PCONFIG_SET,
28172	OPTION_MASK_ISA_PCONFIG_UNSET, OPTION_MASK_ISA_WBNOINVD_SET,
28173	OPTION_MASK_ISA_WBNOINVD_UNSET): New definitions.
28174	(ix86_handle_option): Handle -mpconfig and -mwbnoinvd.
28175	* config.gcc (pconfigintrin.h, wbnoinvdintrin.h) : Add headers.
28176	* config/i386/cpuid.h (bit_PCONFIG, bit_WBNOINVD): New.
28177	* config/i386/driver-i386.c (host_detect_local_cpu): Detect -mpconfig
28178	and -mwbnoinvd.
28179	* config/i386/i386-builtin.def (__builtin_ia32_wbnoinvd,
28180	__builtin_ia32_wbinvd): New builtins.
28181	(SPECIAL_ARGS2): New.
28182	* config/i386/i386-c.c (__WBNOINVD__, __PCONFIG__): New.
28183	(SPECIAL_ARGS2): New.
28184	* config/i386/i386.c (ix86_target_string): Add -mpconfig and -mwbnoinvd.
28185	(ix86_valid_target_attribute_inner_p): Ditto.
28186	(ix86_init_mmx_sse_builtins): Add special_args2.
28187	* config/i386/i386.h (TARGET_PCONFIG, TARGET_PCONFIG_P, TARGET_WBNOINVD,
28188	TARGET_WBNOINVD_P): New.
28189	* config/i386/i386.md (UNSPECV_WBINVD, UNSPECV_WBNOINVD): New.
28190	(define_insn "wbinvd", define_insn "wbnoinvd"): New.
28191	* config/i386/i386.opt: Add -mpconfig and -mwbnoinvd.
28192	* config/i386/immintrin.h (_wbinvd): New intrinsic.
28193	* config/i386/pconfigintrin.h: New file.
28194	* config/i386/wbnoinvdintrin.h: Ditto.
28195	* config/i386/x86intrin.h: Add headers pconfigintrin.h and
28196	wbnoinvdintrin.h.
28197	* doc/invoke.texi (-mpconfig, -mwbnoinvd): New.
28198
281992018-03-05  Richard Biener  <rguenther@suse.de>
28200
28201	PR tree-optimization/84670
28202	* tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs
28203	member.
28204	(BB_VISITED_WITH_VISITED_SUCCS): New define.
28205	(compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS.
28206	(compute_antic_aux): Only assert the number of values in ANTIC_IN
28207	doesn't grow if all successors (recursively) were visited at least
28208	once.
28209
282102018-03-05  Richard Biener  <rguenther@suse.de>
28211
28212	PR tree-optimization/84650
28213	* tree-ssa-loop-im.c (pass_lim::execute): Reset the SCEV cache
28214	if executed in the loop pipeline.
28215
282162018-03-05  Sandra Loosemore  <sandra@codesourcery.com>
28217
28218	* doc/configfiles.texi (Configuration Files): Move info about
28219	conditionalizing $target-protos.h to...
28220	* doc/sourcebuild.texi (Back End): Here.  Explain how $target.h
28221	differs from $target-protos.h.
28222
282232018-03-05  Kito Cheng  <kito.cheng@gmail.com>
28224	    Chung-Ju Wu  <jasonwucj@gmail.com>
28225
28226	* config/nds32/nds32-protos.h (nds32_expand_setmem): Declare.
28227	* config/nds32/nds32-multiple.md (setmemsi): Define.
28228	* config/nds32/nds32-memory-manipulation.c
28229	(nds32_gen_dup_4_byte_to_word_value): New.
28230	(emit_setmem_word_loop): New.
28231	(emit_setmem_byte_loop): New.
28232	(nds32_expand_setmem_loop): New.
28233	(nds32_expand_setmem_loop_v3m): New.
28234	(nds32_expand_setmem_unroll): New.
28235	(nds32_expand_setmem): New.
28236
282372018-03-04  Kito Cheng  <kito.cheng@gmail.com>
28238	    Chung-Ju Wu  <jasonwucj@gmail.com>
28239
28240	* config/nds32/nds32-memory-manipulation.c
28241	(nds32_emit_load_store): New.
28242	(nds32_emit_post_inc_load_store): New.
28243	(nds32_emit_mem_move): New.
28244	(nds32_emit_mem_move_block): New.
28245	(nds32_expand_movmemsi_loop_unknown_size): New.
28246	(nds32_expand_movmemsi_loop_known_size): New.
28247	(nds32_expand_movmemsi_loop): New.
28248	(nds32_expand_movmemsi_unroll): New.
28249	(nds32_expand_movmemqi): Rename ...
28250	(nds32_expand_movmemsi): ... to this.
28251	* config/nds32/nds32-multiple.md (movmemqi): Rename ...
28252	(movmemsi): ... to this.
28253	* config/nds32/nds32-protos.h (nds32_expand_movmemqi): Rename ...
28254	(nds32_expand_movmemsi): ... to this.
28255
282562018-03-04  Kito Cheng  <kito.cheng@gmail.com>
28257	    Monk Chiang  <sh.chiang04@gmail.com>
28258	    Chung-Ju Wu  <jasonwucj@gmail.com>
28259
28260	* config/nds32/nds32-protos.h
28261	(nds32_expand_load_multiple): New arguments.
28262	(nds32_expand_store_multiple): Ditto.
28263	(nds32_valid_multiple_load_store): Rename ...
28264	(nds32_valid_multiple_load_store_p): ... to this.
28265	* config/nds32/nds32-memory-manipulation.c
28266	(nds32_expand_load_multiple): Refine implementation.
28267	(nds32_expand_store_multiple): Ditto.
28268	* config/nds32/nds32-multiple.md
28269	(load_multiple): Update nds32_expand_load_multiple interface.
28270	(store_multiple): Update nds32_expand_store_multiple interface.
28271	* config/nds32/nds32-predicates.c
28272	(nds32_valid_multiple_load_store): Rename ...
28273	(nds32_valid_multiple_load_store_p): ... to this and refine
28274	implementation.
28275	* config/nds32/predicates.md
28276	(nds32_load_multiple_and_update_address_operation): New predicate.
28277	(nds32_store_multiple_and_update_address_operation): New predicate.
28278
282792018-03-04  Kito Cheng  <kito.cheng@gmail.com>
28280	    Chung-Ju Wu  <jasonwucj@gmail.com>
28281
28282	* config/nds32/nds32.md (type): Add load_multiple and store_multiple.
28283	(combo): New attribute.
28284	* config/nds32/nds32-multiple.md: Refine patterns with new attributes.
28285
282862018-03-03  Chung-Ju Wu  <jasonwucj@gmail.com>
28287
28288	* config/nds32/nds32.opt: Change -mcmodel= default value.
28289
282902018-03-03  Kito Cheng  <kito.cheng@gmail.com>
28291	    Monk Chiang  <sh.chiang04@gmail.com>
28292	    Chung-Ju Wu  <jasonwucj@gmail.com>
28293
28294	* config/nds32/constants.md (unspec_element): New enum.
28295	* config/nds32/constraints.md (Umw): New constraint.
28296	* config/nds32/nds32-intrinsic.c: Add more builtin functions.
28297	* config/nds32/nds32-intrinsic.md: Likewise.
28298	* config/nds32/nds32-md-auxiliary.c (nds32_regno_to_enable4): New.
28299	(nds32_valid_smw_lwm_base_p): New.
28300	(nds32_output_smw_single_word): New.
28301	(nds32_output_lmw_single_word): New.
28302	(nds32_expand_unaligned_load): New.
28303	(nds32_expand_unaligned_store): New.
28304	* config/nds32/nds32-protos.h (nds32_valid_smw_lwm_base_p): Declare.
28305	(nds32_output_smw_single_word): Declare.
28306	(nds32_output_lmw_single_word): Declare.
28307	(nds32_expand_unaligned_load): Declare.
28308	(nds32_expand_unaligned_store): Declare.
28309	* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_UALOAD_HW,
28310	NDS32_BUILTIN_UALOAD_W, NDS32_BUILTIN_UALOAD_DW,
28311	NDS32_BUILTIN_UASTORE_HW, NDS32_BUILTIN_UASTORE_W,
28312	NDS32_BUILTIN_UASTORE_DW.
28313	* config/nds32/predicates.md (nds32_lmw_smw_base_operand): New
28314	predicate.
28315
283162018-03-03  Monk Chiang  <sh.chiang04@gmail.com>
28317	    Kito Cheng  <kito.cheng@gmail.com>
28318	    Chung-Ju Wu  <jasonwucj@gmail.com>
28319
28320	* config/nds32/nds32-intrinsic.c
28321	(nds32_expand_builtin_null_ftype_reg): Delete.
28322	(nds32_expand_builtin_reg_ftype_imm): Ditto.
28323	(nds32_expand_builtin_null_ftype_reg_imm): Ditto.
28324	(nds32_read_argument): New.
28325	(nds32_legitimize_target): Ditto.
28326	(nds32_legitimize_argument): Ditto.
28327	(nds32_check_constant_argument): Ditto.
28328	(nds32_expand_unop_builtin): Ditto.
28329	(nds32_expand_unopimm_builtin): Ditto.
28330	(nds32_expand_binop_builtin): Ditto.
28331	(nds32_builtin_decl_impl): Ditto.
28332	(builtin_description): Ditto.
28333	(nds32_expand_builtin_impl): Rewrite with new infrastructure.
28334	(nds32_init_builtins_impl): Ditto.
28335	* config/nds32/nds32.c (TARGET_BUILTIN_DECL): Define.
28336	(nds32_builtin_decl): New.
28337	* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_COUNT.
28338	* config/nds32/nds32-protos.h (nds32_builtin_decl_impl): Declare.
28339
283402018-03-02  Jeff Law  <law@redhat.com>
28341
28342	* reorg.c (stop_search_p): Handle DEBUG_INSN.
28343	(redundant_insn, fill_simple_delay_slots): Likewise.
28344	(fill_slots_from_thread): Likewise.
28345	* resource.c (mark_referenced_resources): Likewise.
28346	(mark_set_resources, find_dead_or_set_registers): Likewise.
28347
283482018-03-02  Jakub Jelinek  <jakub@redhat.com>
28349
28350	* substring-locations.h (format_warning_va): Formatting fix for
28351	ATTRIBUTE_GCC_DIAG.
28352	(format_warning_at_substring): Fix up ATTRIBUTE_GCC_DIAG second
28353	argument.
28354	(format_warning_n_va, format_warning_at_substring_n): New prototypes.
28355	* substring-locations.c: Include intl.h.
28356	(format_warning_va): Turned into small wrapper around
28357	format_warning_n_va, renamed to ...
28358	(format_warning_n_va): ... this, add N and PLURAL_GMSGID arguments,
28359	rename GMSGID to SINGULAR_GMSGID, if SINGULAR_GMSGID != PLURAL_GMSGID,
28360	use ngettext.
28361	(format_warning_at_substring_n): New function.
28362	* gimple-ssa-sprintf.c: Remove GCC diagnostic ignored pragma.
28363	(fmtwarn): Add ATTRIBUTE_GCC_DIAG.  Turn into a copy of
28364	format_warning_at_substring with just a shorter name instead of
28365	const function pointer.
28366	(fmtwarn_n): New function.
28367	(maybe_warn, format_directive, parse_directive): Use fmtwarn_n where
28368	appropriate, get rid of all the fmtstr temporaries, move conditionals
28369	with G_() wrapped string literals directly into fmtwarn arguments,
28370	cast dir.len to (int), formatting fixes.
28371
283722018-03-02  Thomas Schwinge  <thomas@codesourcery.com>
28373
28374	* doc/invoke.texi: Remove "Cilk Plus" references.
28375
283762018-03-02  Jakub Jelinek  <jakub@redhat.com>
28377	    Richard Biener  <rguenther@suse.de>
28378
28379	PR ipa/84628
28380	* expr.c (expand_expr_real_1) <case CALL_EXPR>: Don't emit diagnostics
28381	for error or warning attributes if CALL_FROM_THUNK_P is set.
28382	Formatting fixes.
28383
283842018-03-02  Jakub Jelinek  <jakub@redhat.com>
28385
28386	PR target/56540
28387	* config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Predefine
28388	__SIZEOF_128__ macro if HPUX_LONG_DOUBLE_LIBRARY.
28389
28390	PR target/56540
28391	* config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Predefine
28392	__SIZEOF_{FPREG,FLOAT{80,128}}__ macros.
28393
28394	* predict.c (test_prediction_value_range): Use PROB_UNINITIALIZED
28395	instead of -1U in last predictors element's probability member.
28396
283972018-03-02  Eric Botcazou  <ebotcazou@adacore.com>
28398
28399	PR ipa/83983
28400	* ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both
28401	arguments if they are comparable.
28402
284032018-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
28404
28405	PR tree-optimization/84634
28406	* tree-vect-stmts.c (vectorizable_store, vectorizable_load): Replace
28407	masks and masked_loop_p with a single loop_masks, making sure it's
28408	null for bb vectorization.
28409
284102018-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
28411
28412	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence)
28413	(vect_analyze_data_ref_access): Use loop->safe_len rather than
28414	loop->force_vectorize to check whether there is no alias.
28415
284162018-03-02  Jakub Jelinek  <jakub@redhat.com>
28417
28418	PR target/84614
28419	* rtl.h (prev_real_nondebug_insn, next_real_nondebug_insn): New
28420	prototypes.
28421	* emit-rtl.c (next_real_insn, prev_real_insn): Fix up function
28422	comments.
28423	(next_real_nondebug_insn, prev_real_nondebug_insn): New functions.
28424	* cfgcleanup.c (try_head_merge_bb): Use prev_real_nondebug_insn
28425	instead of a loop around prev_real_insn.
28426	* combine.c (move_deaths): Use prev_real_nondebug_insn instead of
28427	prev_real_insn.
28428
28429	PR inline-asm/84625
28430	* config/i386/i386.c (ix86_print_operand): Use conditional
28431	output_operand_lossage instead of gcc_assert if CONST_VECTOR is not
28432	zero vector.
28433
284342018-03-02  Richard Biener  <rguenther@suse.de>
28435
28436	PR tree-optimization/84427
28437	* tree-ssa-pre.c (bitmap_remove_expr_from_set): Remove.
28438	(bitmap_set_subtract_values): Rewrite to handle multiple
28439	exprs per value.
28440	(clean): Likewise.
28441	(prune_clobbered_mems): Likewise.
28442	(phi_translate): Take edge instead of pred/phiblock.
28443	(phi_translate_1): Likewise.
28444	(phi_translate_set): Likewise.  Insert all translated
28445	exprs for a value into the set, keeping possibly multiple
28446	expressions per value.
28447	(compute_antic_aux): Adjust for phi_translate changes.
28448	When intersecting union the expressions and prune those
28449	not in the final value set, keeping possibly multiple
28450	expressions per value.  Do not use value-insertion
28451	for unioning ANTIC_OUT U EXP_GEN - TMP_GEN but merge
28452	all expressions.  Add verification that the value-sets
28453	only shrink during iteration.
28454	(compute_partial_antic_aux): Adjust for the phi_translate changes.
28455	(do_pre_regular_insertion): Likewise.
28456	(do_pre_partial_partial_insertion): Likewise.
28457
284582018-03-02  Richard Biener  <rguenther@suse.de>
28459
28460	PR target/82005
28461	* config/darwin.c (saved_debug_info_level): New static global.
28462	(darwin_asm_lto_start): Disable debug info generation for LTO out.
28463	(darwin_asm_lto_end): Restore debug info generation settings.
28464
284652018-03-01  Martin Liska  <mliska@suse.cz>
28466
28467	PR sanitizer/82484
28468	* sanopt.c (sanitize_rewrite_addressable_params): Do not handle
28469	volatile arguments.
28470
284712018-03-01  Richard Biener  <rguenther@suse.de>
28472
28473	PR debug/84645
28474	* dwarf2out.c (gen_variable_die): Properly handle late VLA
28475	type annotation with LTO when debug was disabled at compile-time.
28476
284772018-03-01  Matthew Fortune  <mfortune@gmail.com>
28478
28479	* config/mips/mips.c (mips_final_prescan_insn): Fix incorrect
28480	XINT with INTVAL.
28481	(mips_final_postscan_insn): Likewise.
28482
284832018-03-01  Richard Sandiford  <richard.sandiford@linaro.org>
28484
28485	PR rtl-optimization/84528
28486	* alias.c (init_alias_target): Add commentary.
28487	(init_alias_analysis): Only give HARD_FRAME_POINTER_REGNUM
28488	a unique base value if the frame pointer is not eliminated
28489	to the stack pointer.
28490
284912018-03-01  Tom de Vries  <tom@codesourcery.com>
28492
28493	PR rtl-optimization/83327
28494	* lra-int.h (hard_regs_spilled_into): Declare.
28495	* lra.c (hard_regs_spilled_into): Define.
28496	(init_reg_info): Init hard_regs_spilled_into.
28497	* lra-spills.c (assign_spill_hard_regs): Update hard_regs_spilled_into.
28498	* lra-lives.c (make_hard_regno_born, make_hard_regno_dead)
28499	(process_bb_lives): Handle hard_regs_spilled_into.
28500	(lra_create_live_ranges_1): Before doing liveness propagation, clear
28501	regs in all_hard_regs_bitmap if set in hard_regs_spilled_into.
28502
285032018-02-28  David Edelsohn  <dje.gcc@gmail.com>
28504
28505	* config.gcc (powerpc-ibm-aix7.1.*): New stanza.
28506	(powerpc-ibm-aix[789]*): Default to AIX 7.2.
28507	* config/rs6000/aix71.h (TARGET_DEFAULT): Revert to Power4 ISA.
28508	* config/rs6000/aix72.h: New file.
28509
285102018-02-28  Jakub Jelinek  <jakub@redhat.com>
28511
28512	* gimple-ssa-warn-restrict.c (maybe_diag_overlap): Use warning_n
28513	instead of warning_at with conditional singular and plural messages
28514	where possible.
28515
28516	PR target/52991
28517	* stor-layout.c (update_alignment_for_field): For
28518	targetm.ms_bitfield_layout_p (rli->t), if !is_bitfield
28519	&& !DECL_PACKED (field), do the alignment update, just use
28520	only desired_align instead of MAX (type_align, desired_align)
28521	as the alignment.
28522	(place_field): Don't do known_align < desired_align handling
28523	early if targetm.ms_bitfield_layout_p (rli->t) and rli->prev_field
28524	is non-NULL, instead do it after rli->prev_field handling and
28525	only if not within a bitfield word.  For DECL_PACKED (field)
28526	use type_align of BITS_PER_UNIT.
28527
285282018-02-28  Eric Botcazou  <ebotcazou@adacore.com>
28529
28530	* config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Remove
28531	superfluous parentheses and trailing spaces.
28532
285332018-02-28  Richard Biener  <rguenther@suse.de>
28534
28535	PR tree-optimization/84584
28536	* graphite-scop-detection.c (scop_detection::add_scop): Discard
28537	SCoPs with fake exit edge.
28538
285392018-02-28  Martin Liska  <mliska@suse.cz>
28540
28541	PR testsuite/84597
28542	* timevar.c (timer::print): Fix format to properly print 100%
28543	values.
28544
285452018-02-28  Richard Biener  <rguenther@suse.de>
28546
28547	PR middle-end/84607
28548	* genmatch.c (capture_info::walk_match): Do not mark
28549	captured expressions without operands as expr_p given
28550	they act more like predicates and should be subject to
28551	"lost tail" side-effect preserving.
28552
285532018-02-28  Alexandre Oliva  <aoliva@redhat.com>
28554
28555	PR rtl-optimization/81611
28556	* auto-inc-dec.c (attempt_change): Move dead note from
28557	mem_insn if it's the next use of regno
28558	(find_address): Take address use of reg holding
28559	non-incremented value.  Add parm to limit search to the named
28560	reg only.
28561	(merge_in_block): Attempt to use a mem insn that is the next
28562	use of the original regno.
28563
285642018-02-27  Martin Sebor  <msebor@redhat.com>
28565
28566	PR c++/83871
28567	* doc/invoke.texi (-Wmissing-attributes): New option.
28568	* print-tree.c (print_node): Handle DECL_UNINLINABLE.
28569
285702018-02-27  Martin Sebor  <msebor@redhat.com>
28571
28572	PR translation/84207
28573	* diagnostic-core.h (warning_n, error_n, inform_n): Change
28574	n argument to unsigned HOST_WIDE_INT.
28575	* diagnostic.c (warning_n, error_n, inform_n): Ditto.
28576	(diagnostic_n_impl): Ditto.  Handle arguments in excess of LONG_MAX.
28577	* gimple-ssa-sprintf.c (format_directive): Simplify inform_n call.
28578	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Use warning_n.
28579
285802018-02-27  Richard Biener  <rguenther@suse.de>
28581
28582	PR tree-optimization/84512
28583	* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
28584	Do not use the estimate returned from record_stmt_cost for
28585	the scalar iteration cost but sum properly using add_stmt_cost.
28586
285872018-02-27  Richard Biener  <rguenther@suse.de>
28588
28589	PR tree-optimization/84466
28590	* graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p):
28591	Adjust last change to less strictly validate use operands.
28592
285932018-02-27  Martin Liska  <mliska@suse.cz>
28594
28595	PR gcov-profile/84548
28596	* gcov.c (process_file): Allow partial overlap and consider it
28597	also as group functions.
28598	(output_lines): Properly calculate range of lines for a group.
28599
286002018-02-27  Martin Liska  <mliska@suse.cz>
28601
28602	* timevar.c (timer::print_row): Remove 'usr', 'sys', 'wall' and
28603	'ggc' suffixes.  Change first column width.
28604	(timer::print): Fix formatting of the column.
28605
286062018-02-27  Alexandre Oliva  <aoliva@redhat.com>
28607
28608	* tree-ssa-live.c (remove_unused_scope_block_p): Do not
28609	preserve inline entry blocks for the sake of debug inline
28610	entry point markers alone.
28611	(remove_unused_locals): Suggest in comments a better place to
28612	force the preservation of inline entry blocks that are
28613	otherwise unused, but do not preserve them.
28614
286152018-02-26  H.J. Lu  <hongjiu.lu@intel.com>
28616
28617	* config/i386/i386.c (ix86_output_indirect_jmp): Update comments.
28618
286192018-02-26  H.J. Lu  <hongjiu.lu@intel.com>
28620
28621	PR target/84039
28622	* config/i386/constraints.md (Bs): Replace
28623	ix86_indirect_branch_register with
28624	TARGET_INDIRECT_BRANCH_REGISTER.
28625	(Bw): Likewise.
28626	* config/i386/i386.md (indirect_jump): Likewise.
28627	(tablejump): Likewise.
28628	(*sibcall_memory): Likewise.
28629	(*sibcall_value_memory): Likewise.
28630	Peepholes of indirect call and jump via memory: Likewise.
28631	(*sibcall_GOT_32): Disallowed for TARGET_INDIRECT_BRANCH_REGISTER.
28632	(*sibcall_value_GOT_32): Likewise.
28633	* config/i386/predicates.md (indirect_branch_operand): Likewise.
28634	(GOT_memory_operand): Likewise.
28635	(call_insn_operand): Likewise.
28636	(sibcall_insn_operand): Likewise.
28637	(GOT32_symbol_operand): Likewise.
28638	* config/i386/i386.h (TARGET_INDIRECT_BRANCH_REGISTER): New.
28639
286402018-02-26  Eric Botcazou  <ebotcazou@adacore.com>
28641
28642	PR rtl-optimization/83496
28643	* reorg.c (steal_delay_list_from_target): Change REDUNDANT array from
28644	booleans to RTXes.  Call fix_reg_dead_note on every non-null element.
28645	(steal_delay_list_from_fallthrough): Call fix_reg_dead_note on a
28646	redundant insn, if any.
28647	(relax_delay_slots): Likewise.
28648	(update_reg_unused_notes): Rename REDUNDANT_INSN to OTHER_INSN.
28649
286502018-02-26  Richard Sandiford  <richard.sandiford@linaro.org>
28651
28652	PR tree-optimization/83965
28653	* tree-vect-patterns.c (vect_reassociating_reduction_p): Assume
28654	that grouped statements are part of a reduction chain.  Return
28655	true if the statement is not marked as a reduction itself but
28656	is part of a group.
28657	(vect_recog_dot_prod_pattern): Don't check whether the statement
28658	is part of a group here.
28659	(vect_recog_sad_pattern): Likewise.
28660	(vect_recog_widen_sum_pattern): Likewise.
28661
286622018-02-26  Eric Botcazou  <ebotcazou@adacore.com>
28663
28664	PR debug/84545
28665	* final.c (rest_of_clean_state): Also look for calls inside sequences.
28666
286672018-02-26  H.J. Lu  <hongjiu.lu@intel.com>
28668
28669	PR target/84530
28670	* config/i386/i386-protos.h (ix86_output_indirect_jmp): Remove
28671	the bool argument.
28672	(ix86_output_indirect_function_return): New prototype.
28673	(ix86_split_simple_return_pop_internal): Likewise.
28674	* config/i386/i386.c (indirect_return_via_cx): New.
28675	(indirect_return_via_cx_bnd): Likewise.
28676	(indirect_thunk_name): Handle return va CX_REG.
28677	(output_indirect_thunk_function): Create alias for
28678	__x86_return_thunk_[re]cx and __x86_return_thunk_[re]cx_bnd.
28679	(ix86_output_indirect_jmp): Remove the bool argument.
28680	(ix86_output_indirect_function_return): New function.
28681	(ix86_split_simple_return_pop_internal): Likewise.
28682	* config/i386/i386.md (*indirect_jump): Don't pass false
28683	to ix86_output_indirect_jmp.
28684	(*tablejump_1): Likewise.
28685	(simple_return_pop_internal): Change it to define_insn_and_split.
28686	Call ix86_split_simple_return_pop_internal to split it for
28687	-mfunction-return=.
28688	(simple_return_indirect_internal): Call
28689	ix86_output_indirect_function_return instead of
28690	ix86_output_indirect_jmp.
28691
286922018-02-26  Jakub Jelinek  <jakub@redhat.com>
28693
28694	PR bootstrap/84405
28695	* vec.h (vec_default_construct): For BROKEN_VALUE_INITIALIZATION use
28696	memset and value initialization afterwards.
28697
286982018-02-26  Christophe Lyon  <christophe.lyon@linaro.org>
28699
28700	* Makefile.in (lto-wrapper): Use ALL_LINKERFLAGS.
28701
287022018-02-26  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
28703
28704	PR target/84521
28705	* common/config/aarch64/aarch64-common.c
28706	(aarch_option_optimization_table[]): Switch
28707	off fomit-frame-pointer
28708
287092018-02-26  Kito Cheng  <kito.cheng@gmail.com>
28710	    Chung-Ju Wu  <jasonwucj@gmail.com>
28711
28712	* config/nds32/nds32-multiple.md (load_multiple): Disallow
28713	volatile memory.
28714	(store_multiple): Ditto.
28715
287162018-02-26  Kito Cheng  <kito.cheng@gmail.com>
28717
28718	* config.gcc: Add --with-cpu support for nds32 target.
28719	* config/nds32/nds32-opts.h (nds32_cpu_type): New.
28720	* config/nds32/nds32.opt: Add -mcpu= option.
28721
287222018-02-25  Segher Boessenkool  <segher@kernel.crashing.org>
28723
28724	* config/rs6000/rs6000.opt (mvrsave=no, mvrsave=yes, isel=no,
28725	isel=yes): Warn for these deprecated options.
28726
287272018-02-23  David Edelsohn  <dje.gcc@gmail.com>
28728
28729	* config/rs6000/aix71.h (TARGET_DEFAULT): Change to
28730	ISA_2_5_MASKS_EMBEDDED.
28731
287322018-02-23  Jakub Jelinek  <jakub@redhat.com>
28733
28734	* ipa-prop.c (ipa_vr_ggc_hash_traits::hash): Hash p->min and
28735	p->max as pointers rather than using iterative_hash_expr.
28736
287372018-02-23  Carl Love  <cel@us.ibm.com>
28738
28739	* config/rs6000/rs6000-builtin.def: Change VSIGNED2 and VUNSIGNED2
28740	macro expansions from BU_VSX_2 to BU_P8V_VSX_2 and BU_VSX_OVERLOAD_2 to
28741	BU_P8V_OVERLOAD_2.
28742	* config/rs6000/rs6000-c.c: Change VSX_BUILTIN_VEC_VSIGNED2 to
28743	P8V_BUILTIN_VEC_VSIGNED2.  Change VSX_BUILTIN_VEC_VUNSIGNED2 to
28744	P8V_BUILTIN_VEC_VUNSIGNED2.
28745
287462018-02-22  Vladimir Makarov  <vmakarov@redhat.com>
28747
28748	PR target/81572
28749	* lra-int.h (LRA_UNKNOWN_ALT, LRA_NON_CLOBBERED_ALT): New macros.
28750	* lra.c (lra_set_insn_recog_data, lra_update_insn_recog_data): Use
28751	LRA_UNKNOWN_ALT.
28752	* lra-constraints.c (curr_insn_transform): Set up
28753	LRA_NON_CLOBBERED_ALT for moves processed on the fast path.  Use
28754	LRA_UNKNOWN_ALT.
28755	(remove_inheritance_pseudos): Use LRA_UNKNOWN_ALT.
28756	* lra-eliminations.c (spill_pseudos): Ditto.
28757	(process_insn_for_elimination): Ditto.
28758	* lra-lives.c (reg_early_clobber_p): Use the new macros.
28759	* lra-spills.c (spill_pseudos): Use LRA_UNKNOWN_ALT and
28760	LRA_NON_CLOBBERED_ALT.
28761
287622018-02-22  Martin Sebor  <msebor@redhat.com>
28763
28764	PR tree-optimization/84480
28765	* gimple-fold.c (gimple_fold_builtin_strcpy): Move warnings
28766	to maybe_diag_stxncpy_trunc.  Call it.
28767	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Integrate warnings
28768	from gimple_fold_builtin_strcpy.  Print inlining stack.
28769	(handle_builtin_stxncpy): Print inlining stack.
28770	* tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Declare.
28771
287722018-02-22  H.J. Lu  <hongjiu.lu@intel.com>
28773
28774	PR target/84176
28775	* config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
28776	error when -mindirect-branch=thunk-extern, -fcf-protection=branch
28777	and -fcheck-pointer-bounds are used together.
28778	(indirect_thunk_prefix): New enum.
28779	(indirect_thunk_need_prefix): New function.
28780	(indirect_thunk_name): Replace need_bnd_p with need_prefix.  Use
28781	"_nt" instead of "_bnd" for NOTRACK prefix.
28782	(output_indirect_thunk): Replace need_bnd_p with need_prefix.
28783	(output_indirect_thunk_function): Likewise.
28784	(): Likewise.
28785	(ix86_code_end): Update output_indirect_thunk_function calls.
28786	(ix86_output_indirect_branch_via_reg): Replace
28787	ix86_bnd_prefixed_insn_p with indirect_thunk_need_prefix.
28788	(ix86_output_indirect_branch_via_push): Likewise.
28789	(ix86_output_function_return): Likewise.
28790	* doc/invoke.texi: Document -mindirect-branch=thunk-extern is
28791	incompatible with -fcf-protection=branch and
28792	-fcheck-pointer-bounds.
28793
287942018-02-22  Steve Ellcey  <sellcey@cavium.com>
28795
28796	PR target/83335
28797	* config/aarch64/aarch64.c (aarch64_print_address_internal):
28798	Change gcc_assert call to output_operand_lossage.
28799
288002018-02-22  Steve Ellcey  <sellcey@cavium.com>
28801
28802	* doc/extend.texi (__builtin_extend_pointer): Document builtin.
28803
288042018-02-22  DJ Delorie  <dj@redhat.com>
28805	    Sebastian Perta  <sebastian.perta@renesas.com>
28806	    Oleg Endo  <olegendo@gcc.gnu.org>
28807
28808	* config/rx/rx.c (rx_rtx_costs): New function.
28809	(TARGET_RTX_COSTS): Override to use rx_rtx_costs.
28810
288112018-02-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
28812
28813	* config/arm/t-multilib: Map Armv8-R to Armv7 multilibs.
28814
288152018-02-22  Martin Liska  <mliska@suse.cz>
28816
28817	PR driver/83193
28818	* common/config/arm/arm-common.c (arm_print_hint_for_cpu_option):
28819	Add "native" as a possible value.
28820
288212018-02-22  Martin Liska  <mliska@suse.cz>
28822
28823	PR driver/83193
28824	* config/i386/i386.c (ix86_option_override_internal):
28825	Add "native" as a possible value for -march and -mtune.
28826
288272018-02-22  Jakub Jelinek  <jakub@redhat.com>
28828
28829	PR target/84502
28830	* stor-layout.c (finalize_type_size): Propagate TYPE_EMPTY_P flag
28831	to all type variants.
28832
28833	PR tree-optimization/84503
28834	* gimple-ssa-store-merging.c (merged_store_group::merge_into): Compute
28835	width as info->bitpos + info->bitsize - start.
28836	(merged_store_group::merge_overlapping): Simplify width computation.
28837	(check_no_overlap): New function.
28838	(imm_store_chain_info::try_coalesce_bswap): Compute expected
28839	start + width and last_order of the group, fail if check_no_overlap
28840	fails.
28841	(imm_store_chain_info::coalesce_immediate_stores): Don't merge info
28842	to group if check_no_overlap fails.
28843
288442018-02-21  Segher Boessenkool  <segher@kernel.crashing.org>
28845
28846	* config/rs6000/altivec.md: Delete contraint arguments to
28847	define_expand, define_split, and define_peephole2, and in
28848	define_insn_and_split if always unused.
28849	* config/rs6000/darwin.md: Ditto.
28850	* config/rs6000/dfp.md: Ditto.
28851	* config/rs6000/rs6000.md: Ditto.
28852	* config/rs6000/sync.md: Ditto.
28853	* config/rs6000/vector.md: Ditto.
28854	* config/rs6000/vsx.md: Ditto.
28855
288562018-02-21  Segher Boessenkool  <segher@kernel.crashing.org>
28857
28858	* config/rs6000/altivec.md: Write output control strings as braced
28859	blocks instead of double-quoted strings.
28860	* config/rs6000/darwin.md: Ditto.
28861	* config/rs6000/rs6000.md: Ditto.
28862	* config/rs6000/vector.md: Ditto.
28863	* config/rs6000/vsx.md: Ditto.
28864
288652018-02-21  Jason Merrill  <jason@redhat.com>
28866
28867	PR c++/84314 - ICE with templates and fastcall attribute.
28868	* attribs.c (build_type_attribute_qual_variant): Remove assert.
28869
288702018-02-21  Jan Hubicka  <hubicka@ucw.cz>
28871
28872	* ipa-cp.c (determine_versionability): Fix comment typos.
28873
288742018-02-21  Jan Hubicka  <hubicka@ucw.cz>
28875
28876	PR c/84229
28877	* ipa-cp.c (determine_versionability): Do not version functions caling
28878	va_arg_pack.
28879
288802018-02-21  Martin Liska  <mliska@suse.cz>
28881
28882	PR driver/83193
28883	* config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch):
28884	Add "native" as a possible value.
28885	* config/aarch64/aarch64.h (HAVE_LOCAL_CPU_DETECT):  Define
28886	the macro when native cpu detection is available.
28887
288882018-02-21  Martin Liska  <mliska@suse.cz>
28889
28890	PR driver/83193
28891	* common/config/arm/arm-common.c (arm_print_hint_for_arch_option):
28892	Add "native" as a possible value.
28893	* config/arm/arm.h (HAVE_LOCAL_CPU_DETECT): Define the macro
28894	when native cpu detection is available.
28895
288962018-02-21  Jakub Jelinek  <jakub@redhat.com>
28897	    Martin Sebor  <msebor@redhat.com>
28898
28899	PR tree-optimization/84478
28900	* gimple-fold.h (get_range_strlen): Add a bool argument defaulted to
28901	false.
28902	* gimple-fold.c (get_range_strlen): Make minlen const and assume it
28903	can't be NULL.  Change FUZZY from bool to int, for 1 add PHI/COND_EXPR
28904	support which is conservatively correct, for 2 only stay conservative
28905	for maxlen.  Formatting and comment capitalization fixes.  Add STRICT
28906	argument to the 2 argument get_range_strlen, adjust 6 arg
28907	get_range_strlen caller and clear minmaxlen[0] and [1] if it returned
28908	false.
28909	(get_maxval_strlen): Adjust 6 arg get_range_strlen caller.
28910	(gimple_fold_builtin_strlen): Pass true as last argument to
28911	get_range_strlen.
28912
289132018-02-20  Martin Sebor  <msebor@redhat.com>
28914
28915	PR middle-end/84095
28916	* gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range): New.
28917	(builtin_memref::set_base_and_offset): Same.  Handle inner references.
28918	(builtin_memref::builtin_memref): Factor out parts into
28919	set_base_and_offset and call it.
28920
289212018-02-20  Richard Sandiford  <richard.sandiford@linaro.org>
28922
28923	PR middle-end/84406
28924	* optabs-query.c (find_widening_optab_handler_and_mode): If from_mode
28925	is a scalar_int_mode, assert that to_mode is a scalar_int_mode with
28926	greater precision.  If to_mode is a MODE_PARTIAL_INT, stop the
28927	search at the associated MODE_INT.
28928
289292018-02-20  Jeff Law  <law@redhat.com>
28930
28931	PR middle-end/82123
28932	PR tree-optimization/81592
28933	PR middle-end/79257
28934	* gimple-ssa-sprintf.c (format_integer): Query EVRP range analyzer
28935	for range data rather than using global data.
28936	* gimple-ssa-sprintf.c (get_int_range): Query EVRP range analyzer for
28937	range data rather than using global data.
28938	* gimple-ssa-sprintf.c (get_int_range): Accept vr_values parameter
28939	pass it to children as needed.
28940	(struct directive::fmtresult): Similarly.
28941	(struct directive::set_width): Similarly.
28942	(struct directive::set_precision): Similarly.
28943	(format_integer, format_directive, parse_directive): Similarly.
28944	(format_none): Accept unnamed vr_values parameter.
28945	(format_percent, format_floating, format_character): Similarly.
28946	(format_string, format_plain): Similarly.
28947	* gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call): Query
28948	the EVRP range analyzer for range data rather than using global data.
28949	* gimple-ssa-sprintf.c: Include alloc-pool.h, vr-values.h and
28950	gimple-ssa-evrp-analyze.h
28951	(class sprintf_dom_walker): Add after_dom_children member function.
28952	Add evrp_range_analyzer member.
28953	(sprintf_dom_walker::before_dom_children): Call into the EVRP
28954	range analyzer as needed.
28955	(sprintf_dom_walker::after_dom_children): New member function.
28956	* gimple-ssa-evrp-analyze.c (evrp_range_analyzer::enter): Do nothing
28957	if not optimizing.
28958	(evrp_range_analyzer::record_ranges_from_stmt): Likewise.
28959	(evrp_range_analyzer::pop_to_marker): Likewise.
28960
289612018-02-20  Richard Sandiford  <richard.sandiford@linaro.org>
28962
28963	PR tree-optimization/84419
28964	* internal-fn.c (expand_call_mem_ref): Create a TARGET_MEM_REF
28965	with the required type if its current type is compatible but
28966	different.
28967
289682018-02-20  Jakub Jelinek  <jakub@redhat.com>
28969
28970	PR middle-end/82004
28971	* match.pd (pow(C,x) -> exp(log(C)*x)): Delay all folding until
28972	after vectorization.
28973
289742018-02-20  Martin Liska  <mliska@suse.cz>
28975
28976	PR driver/83193
28977	* config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch): Print
28978	possible values if we don't have a hint.
28979
289802018-02-20  Martin Liska  <mliska@suse.cz>
28981
28982	PR c/84310
28983	PR target/79747
28984	* final.c (shorten_branches): Build align_tab array with one
28985	more element.
28986	* opts.c (finish_options): Add alignment option limit check.
28987	(MAX_CODE_ALIGN): Likewise.
28988	(MAX_CODE_ALIGN_VALUE): Likewise.
28989	* doc/invoke.texi: Document maximum allowed option value for
28990	all -falign-* options.
28991
289922018-02-19  Jakub Jelinek  <jakub@redhat.com>
28993
28994	PR target/84146
28995	* reg-notes.def (REG_CALL_ARG_LOCATION): New reg note.
28996	* insn-notes.def (NOTE_INSN_CALL_ARG_LOCATION): Remove.
28997	* var-tracking.c (emit_note_insn_var_location): Remove all references
28998	to NOTE_INSN_CALL_ARG_LOCATION.
28999	(emit_notes_in_bb): Emit arguments as REG_CALL_ARG_LOCATION note on
29000	the CALL_INSN rather than separate NOTE_INSN_CALL_ARG_LOCATION note.
29001	Use copy_rtx_if_shared.
29002	* dwarf2out.c (gen_subprogram_die): Use XEXP with 0 instead of
29003	NOTE_VAR_LOCATION on ca_loc->call_arg_loc_note.
29004	(dwarf2out_var_location): Remove handling of
29005	NOTE_INSN_CALL_ARG_LOCATION, instead handle REG_CALL_ARG_LOCATION note
29006	on call_insn.
29007	* final.c (final_scan_insn): Remove all references to
29008	NOTE_INSN_CALL_ARG_LOCATION.
29009	(rest_of_clean_state): Likewise.  Remove REG_CALL_ARG_LOCATION notes
29010	before dumping final insns.
29011	* except.c (emit_note_eh_region_end): Remove all references to
29012	NOTE_INSN_CALL_ARG_LOCATION.
29013	* config/alpha/alpha.c (alpha_pad_function_end): Likewise.
29014	* config/c6x/c6x.c (c6x_gen_bundles): Likewise.
29015	* config/arc/arc.c (hwloop_optimize): Likewise.
29016	* config/arm/arm.c (create_fix_barrier): Likewise.
29017	* config/s390/s390.c (s390_chunkify_start): Likewise.
29018	* config/sh/sh.c (find_barrier): Likewise.
29019	* config/i386/i386.c (rest_of_insert_endbranch,
29020	ix86_seh_fixup_eh_fallthru): Likewise.
29021	* config/xtensa/xtensa.c (hwloop_optimize): Likewise.
29022	* config/iq2000/iq2000.c (final_prescan_insn): Likewise.
29023	* config/frv/frv.c (frv_function_prologue): Likewise.
29024	* emit-rtl.c (try_split): Likewise.  Copy over REG_CALL_ARG_LOCATION
29025	reg note.
29026	(note_outside_basic_block_p): Remove all references to
29027	NOTE_INSN_CALL_ARG_LOCATION.
29028	* gengtype.c (adjust_field_rtx_def): Likewise.
29029	* print-rtl.c (rtx_writer::print_rtx_operand_code_0, print_insn):
29030	Likewise.
29031	* jump.c (cleanup_barriers, delete_related_insns): Likewise.
29032	* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
29033
29034	PR c++/84444
29035	* builtins.c (builtin_mathfn_code): Don't check if CALL_EXPR_FN (t)
29036	is ADDR_EXPR.
29037
29038	PR tree-optimization/84452
29039	* tree-vect-patterns.c (vect_recog_pow_pattern): Don't call
29040	expand_simd_clones if targetm.simd_clone.compute_vecsize_and_simdlen
29041	is NULL.
29042
290432018-02-19  Martin Liska  <mliska@suse.cz>
29044
29045	PR sanitizer/82183
29046	* passes.def: Put pass_sancov_O0 before pass_lower_switch with -O0.
29047
290482018-02-19  Martin Liska  <mliska@suse.cz>
29049	    Richard Sandiford  <richard.sandiford@linaro.org>
29050
29051	PR tree-optimization/82491
29052	* gimple-fold.c (get_base_constructor): Make earlier bail out
29053	to prevent ubsan.
29054
290552018-02-19  Carl Love  <cel@us.ibm.com>
29056
29057	* config/rs6000/rs6000-builtin.def: Change NEG macro expansions from
29058	BU_ALTIVEC_A to BU_P8V_AV_1 and BU_ALTIVEC_OVERLOAD_1 to
29059	BU_P8V_OVERLOAD_1.
29060	* config/rs6000/rs6000-c.c: Change ALTIVEC_BUILTIN_VEC_NEG to
29061	P8V_BUILTIN_VEC_NEG.
29062
290632018-02-19  Sebastian Perta  <sebastian.perta@renesas.com>
29064
29065	* config/rl78/rl78.md (movdf): New define expand.
29066
290672018-02-19  Martin Liska  <mliska@suse.cz>
29068
29069	PR other/80589
29070	* doc/invoke.texi: Fix typo.
29071	* params.def (PARAM_MAX_LOOP_HEADER_INSNS): Likewise.
29072
290732018-02-18  Segher Boessenkool  <segher@kernel.crashing.org>
29074
29075	* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
29076	handle rs6000_single_float and rs6000_double_float specially for
29077	e500 family CPUs.
29078
290792018-02-16  Jeff Law  <law@redhat.com>
29080
29081	* config/rx/rx.c (add_pop_cfi_notes): New function.;
29082	(pop_regs): Use it.
29083
290842018-02-16  Jakub Jelinek  <jakub@redhat.com>
29085
29086	PR ipa/84425
29087	* ipa-inline.c (inline_small_functions): Fix a typo.
29088
290892018-02-16  Nathan Sidwell  <nathan@acm.org>
29090
29091	* doc/extend.texi (Backwards Compatibility): Americanize 'behaviour'.
29092
290932018-02-16  Carl Love  <cel@us.ibm.com>
29094
29095	* config/rs6000/rs6000-builtin.def: Add BU_P8V_VSX_2 macro definition.
29096	Change FLOAT2 expansions from BU_VSX_2 to BU_P8V_VSX_2 and
29097	from BU_VSX_OVERLOAD_2 to BU_P8V_OVERLOAD_2.
29098	* config/rs6000/rs6000-c.c: Changed macro VSX_BUILTIN_VEC_FLOAT2
29099	expansion to P8V_BUILTIN_VEC_FLOAT2.
29100
291012018-02-16  Vladimir Makarov  <vmakarov@redhat.com>
29102
29103	PR rtl-optimization/70023
29104	* lra-constraints.c (inherit_in_ebb): Take hard reg mode of
29105	src_regno into account.
29106
291072018-02-16  Carl Love  <cel@us.ibm.com>
29108
29109	* config/rs6000/altivec.h: Remove vec_vextract4b and vec_vinsert4b.
29110	* config/rs6000/rs6000-builtin.def: Remove macro expansion for
29111	VEXTRACT4B, VINSERT4B, VINSERT4B_DI and VEXTRACT4B.
29112	* config/rs6000/rs6000.c: Remove case statements for
29113	P9V_BUILTIN_VEXTRACT4B, P9V_BUILTIN_VEC_VEXTRACT4B,
29114	P9V_BUILTIN_VINSERT4B, P9V_BUILTIN_VINSERT4B_DI,
29115	and P9V_BUILTIN_VEC_VINSERT4B.
29116	* config/rs6000/rs6000-c.c (altivec_expand_builtin): Remove entries for
29117	P9V_BUILTIN_VEC_VEXTRACT4B and P9V_BUILTIN_VEC_VINSERT4B.
29118	* config/rs6000/vsx.md:
29119	* doc/extend.texi: Remove vec_vextract4b, non ABI definitions for
29120	vec_insert4b.
29121
291222018-02-16  Carl Love  <cel@us.ibm.com>
29123
29124	* config/rs6000/altivec.h: Add builtin names vec_extract4b
29125	vec_insert4b.
29126	* config/rs6000/rs6000-builtin.def: Add INSERT4B and EXTRACT4B
29127	definitions.
29128	* config/rs6000/rs6000-c.c: Add the definitions for
29129	P9V_BUILTIN_VEC_EXTRACT4B and P9V_BUILTIN_VEC_INSERT4B.
29130	* config/rs6000/rs6000.c (altivec_expand_builtin): Add
29131	P9V_BUILTIN_EXTRACT4B and P9V_BUILTIN_INSERT4B case statements.
29132	* config/rs6000/vsx.md: Add define_insn extract4b.  Add define_expand
29133	definition for insert4b and define insn *insert3b_internal.
29134	* doc/extend.texi: Add documentation for vec_extract4b.
29135
291362018-02-16  Nathan Sidwell  <nathan@acm.org>
29137
29138	* doc/extend.texi (Backwards Compatibility): Mention friend
29139	injection.  Note for-scope is deprecated.
29140	* doc/invoke.texi (-ffriend-injection): Deprecate.
29141
291422018-02-16  Segher Boessenkool  <segher@kernel.crashing.org>
29143
29144	* combine.c (try_combine): When adjusting LOG_LINKS for the destination
29145	that moved to I2, also allow destinations that are a paradoxical
29146	subreg (instead of a normal reg).
29147
291482018-02-16  Oleg Endo  <olegendo@gcc.gnu.org>
29149
29150	PR target/83831
29151	* config/rx/rx.c (rx_fuse_in_memory_bitop): Convert shift operand
29152	to QImode.
29153
291542018-02-16  Richard Biener  <rguenther@suse.de>
29155
29156	PR tree-optimization/84037
29157	PR tree-optimization/84016
29158	PR target/82862
29159	* config/i386/i386.c (ix86_builtin_vectorization_cost):
29160	Adjust vec_construct for the fact we need additional higher latency
29161	128bit inserts for AVX256 and AVX512 vector builds.
29162	(ix86_add_stmt_cost): Scale vector construction cost for
29163	elementwise loads.
29164
291652018-02-16  Richard Biener  <rguenther@suse.de>
29166
29167	PR tree-optimization/84417
29168	* tree-ssa.c (non_rewritable_mem_ref_base): Properly constrain
29169	the MEM_REF offset when conversion to BIT_FIELD_REF is desired.
29170	(non_rewritable_lvalue_p): Likewise, use poly-ints.
29171
291722018-02-16  Martin Liska  <mliska@suse.cz>
29173
29174	PR sanitizer/84307
29175	* internal-fn.def (ASAN_CHECK): Set proper flags.
29176	(ASAN_MARK): Likewise.
29177
291782018-02-16  Julia Koval  <julia.koval@intel.com>
29179
29180	* config/i386/i386.c (ix86_option_override_internal): Remove PTA_CLWB
29181	from PTA_CANNONLAKE.
29182
291832018-02-16  Jakub Jelinek  <jakub@redhat.com>
29184
29185	PR target/84272
29186	* config/aarch64/cortex-a57-fma-steering.c (fma_forest::merge_forest):
29187	Use ++iter rather than iter++ for std::list iterators.
29188	(func_fma_steering::dfs): Likewise.  Don't delete nodes right away,
29189	defer deleting them until all nodes in the forest are processed.  Do
29190	free even leaf nodes.  Change to_process into auto_vec.
29191
29192	PR bootstrap/84405
29193	* system.h (BROKEN_VALUE_INITIALIZATION): Define for GCC < 4.3.
29194	* vec.h (vec_default_construct): Use memset instead of placement new
29195	if BROKEN_VALUE_INITIALIZATION is defined.
29196	* hash-table.h (hash_table<Descriptor, Allocator>::empty_slow): Use
29197	memset instead of value initialization if BROKEN_VALUE_INITIALIZATION
29198	is defined.
29199
29200	PR rtl-optimization/83723
29201	* lra-int.h (lra_substitute_pseudo): Add DEBUG_P argument.
29202	* lra.c (lra_substitute_pseudo): Likewise.  If true, use
29203	gen_rtx_raw_SUBREG instead of gen_rtx_SUBREG.  Pass DEBUG_P to
29204	recursive calls.
29205	(lra_substitute_pseudo_within_insn): Adjust lra_substitute_pseudo
29206	callers.
29207	* lra-constraints.c (inherit_reload_reg, split_reg): Likewise.
29208
292092018-02-16  Eric Botcazou  <ebotcazou@adacore.com>
29210
29211	PR rtl-optimization/81443
29212	* rtlanal.c (num_sign_bit_copies1) <SUBREG>: Do not propagate results
29213	from inner REGs to paradoxical SUBREGs.
29214
292152018-02-16  Richard Biener  <rguenther@suse.de>
29216
29217	PR tree-optimization/84399
29218	* graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p):
29219	For operands we can analyze at their definition make sure we can
29220	analyze them at each use as well.
29221
292222018-02-16  Richard Biener  <rguenther@suse.de>
29223
29224	PR tree-optimization/84190
29225	* tree-ssa.c (non_rewritable_mem_ref_base): Do not touch
29226	volatile accesses if the decl isn't volatile.
29227
292282018-02-15  Jason Merrill  <jason@redhat.com>
29229
29230	PR c++/84314 - ICE with templates and fastcall attribute.
29231	* attribs.c (build_type_attribute_qual_variant): Don't clobber
29232	TYPE_CANONICAL on an existing type.
29233
292342018-02-15  Jakub Jelinek  <jakub@redhat.com>
29235
29236	PR tree-optimization/84383
29237	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Don't look at
29238	dstoff nor call operand_equal_p if dstbase is NULL.
29239
29240	PR tree-optimization/84334
29241	* match.pd ((A +- CST1) +- CST2 -> A + CST3): If A is
29242	also a CONSTANT_CLASS_P, punt.
29243
292442018-02-14  Jim Wilson  <jimw@sifive.com>
29245
29246	* config/riscv/riscv.c (riscv_first_stack_step): Move locals after
29247	first SMALL_OPERAND check.  New local min_second_step.  Move assert
29248	to where locals are set.  Add TARGET_RVC support.
29249	* config/riscv/riscv.h (C_SxSP_BITS, SWSP_REACH, SDSP_REACH): New.
29250
292512018-02-14  Indu Bhagat  <indu.bhagat@oracle.com>
29252
29253	* doc/invoke.texi: Correct -Wformat-overflow code sample.
29254
292552018-02-14  Martin Sebor  <msebor@redhat.com>
29256
29257	PR tree-optimization/83698
29258	* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For
29259	arrays constrain the offset range to their bounds.
29260	(builtin_access::strcat_overlap): Adjust the bounds of overlap offset.
29261	(builtin_access::overlap): Avoid setting the size of overlap if it's
29262	already been set.
29263	(maybe_diag_overlap): Also consider arrays when deciding what values
29264	of offsets to include in diagnostics.
29265
292662018-02-14  Martin Sebor  <msebor@redhat.com>
29267
29268	PR c/84108
29269	* attribs.c (diag_attr_exclusions): Consider the exclusion(s)
29270	that correspond to the kind of a declaration.
29271
292722018-02-14  John David Anglin  <danglin@gcc.gnu.org>
29273
29274	PR target/83984
29275	* config/pa/pa.md: Load address of PIC label using the linkage table
29276	if the label is nonlocal.
29277
292782018-02-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
29279
29280	* config/rs6000/rs6000.c (rs6000_option_override_internal): Issue
29281	warning message if user requests -maltivec=be.
29282	* doc/invoke.texi: Document deprecation of -maltivec=be.
29283
292842018-02-14  Will Schmidt  <will_schmidt@vnet.ibm.com>
29285
29286	PR target/84220
29287	* config/rs6000/rs6000-c.c: Update definitions for
29288	ALTIVEC_BUILTIN_VEC_SLD, ALTIVEC_BUILTIN_VEC_SLDW,
29289	VEC_XXSLDWI and ALTIVEC_BUILTIN_VEC_XXPERMDI builtins.
29290
292912018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
29292
29293	PR target/84239
29294	* config/i386/cetintrin.h: Remove _rdssp[d|q] and
29295	add _get_ssp intrinsics. Remove argument from
29296	__builtin_ia32_rdssp[d|q].
29297	* config/i386/i386-builtin-types.def: Add UINT_FTYPE_VOID.
29298	* config/i386/i386-builtin.def: Remove argument from
29299	__builtin_ia32_rdssp[d|q].
29300	* config/i386/i386.c: Use UINT_FTYPE_VOID. Use
29301	ix86_expand_special_args_builtin for _rdssp[d|q].
29302	* config/i386/i386.md: Remove argument from rdssp[si|di] insn.
29303	Clear register before usage.
29304	* doc/extend.texi: Remove argument from __builtin_ia32_rdssp[d|q].
29305	Add documentation for new _get_ssp and _inc_ssp intrinsics.
29306
293072018-02-14  Richard Sandiford  <richard.sandiford@linaro.org>
29308
29309	PR tree-optimization/84357
29310	* tree-data-ref.c (object_address_invariant_in_loop_p): Check
29311	operand 1 of an ARRAY_REF too.
29312
293132018-02-14  Oleg Endo  <olegendo@gcc.gnu.org>
29314
29315	PR target/83831
29316	* config/rx/rx-protos.h (rx_reg_dead_or_unused_after_insn,
29317	rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New
29318	declarations.
29319	(set_of_reg): New struct.
29320	(rx_find_set_of_reg, rx_find_use_of_reg): New functions.
29321	* config/rx/rx.c (rx_reg_dead_or_unused_after_insn,
29322	rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New
29323	functions.
29324	* config/rx/rx.md (andsi3, iorsi3, xorsi3): Convert to insn_and_split.
29325	Split into bitclr, bitset, bitinvert patterns if appropriate.
29326	(*bitset, *bitinvert, *bitclr): Convert to named insn_and_split and
29327	use rx_fuse_in_memory_bitop.
29328	(*bitset_in_memory, *bitinvert_in_memory, *bitclr_in_memory): Convert
29329	to named insn, correct maximum insn length.
29330
293312018-02-14  Jozef Lawrynowicz  <jozefl.gcc@gmail.com>
29332
29333	PR target/79242
29334	* machmode.def: Define a complex mode for PARTIAL_INT.
29335	* genmodes.c (complex_class): Return MODE_COMPLEX_INT for
29336	MODE_PARTIAL_INT.
29337	* doc/rtl.texi: Document CSPImode.
29338	* config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode
29339	handling.
29340	(msp430_hard_regno_nregs_with_padding): Likewise.
29341
293422018-02-13  Peter Bergner  <bergner@vnet.ibm.com>
29343
29344	PR target/84279
29345	* config/rs6000/rs6000.c (mem_operand_gpr): Disallow altivec addresses.
29346
293472018-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
29348
29349	PR rtl-optimization/84169
29350	* combine.c (try_combine): New variable split_i2i3.  Set it to true if
29351	we generated a parallel as new i3 and we split that to new i2 and i3
29352	instructions.  Handle split_i2i3 similar to swap_i2i3: scan the
29353	LOG_LINKs of i3 to see which of those need to link to i2 now.  Link
29354	those to i2, not i1.  Partially rewrite this scan code.
29355
293562018-02-13  Jakub Jelinek  <jakub@redhat.com>
29357
29358	PR c/82210
29359	* stor-layout.c (place_field): For variable length fields, adjust
29360	offset_align afterwards not just based on the field's alignment,
29361	but also on the size.
29362
29363	PR middle-end/84309
29364	* match.pd (pow(C,x) -> exp(log(C)*x)): Use exp2s and log2s instead
29365	of exps and logs in the use_exp2 case.
29366
293672018-02-13  Jeff Law  <law@redhat.com>
29368
29369	* config/rl/rl78.c (rl78_attribute_table): Fix terminator and
29370	entry for "vector".
29371
29372	* config/rl78/rl78.c (rl78_handle_func_attribute): Mark
29373	ARGS as unused.
29374
293752018-02-13  Alexandre Oliva  <aoliva@redhat.com>
29376
29377	PR debug/84342
29378	PR debug/84319
29379	* common.opt (gas-loc-support, gas-locview-support): New.
29380	(ginline-points, ginternal-reset-location-views): New.
29381	* doc/invoke.texi: Document them.  Use @itemx where intended.
29382	(gvariable-location-views): Adjust.
29383	* target.def (reset_location_view): New.
29384	* doc/tm.texi.in (DWARF2_ASM_VIEW_DEBUG_INFO): New.
29385	(TARGET_RESET_LOCATION_VIEW): New.
29386	* doc/tm.texi: Rebuilt.
29387	* dwarf2out.c (dwarf2out_default_as_loc_support): New.
29388	(dwarf2out_default_as_locview_support): New.
29389	(output_asm_line_debug_info): Use option variables.
29390	(dwarf2out_maybe_output_loclist_view_pair): Likewise.
29391	(output_loc_list): Likewise.
29392	(add_high_low_attributes): Check option variables.
29393	Don't output entry view attribute in strict mode.
29394	(gen_inlined_subroutine_die): Check option variables.
29395	(dwarf2out_inline_entry): Likewise.
29396	(init_sections_and_labels): Likewise.
29397	(dwarf2out_early_finish): Likewise.
29398	(maybe_reset_location_view): New, from...
29399	(dwarf2out_var_location): ... here.  Call it.
29400	* debug.h (dwarf2out_default_as_loc_support): Declare.
29401	(dwarf2out_default_as_locview_support): Declare.
29402	* hooks.c (hook_int_rtx_insn_0): New.
29403	* hooks.h (hook_int_rtx_insn_0): Declare.
29404	* toplev.c (process_options): Take -gas-loc-support and
29405	-gas-locview-support from dwarf2out.  Enable
29406	-gvariable-location-views by default only with locview
29407	assembler support.  Enable -ginternal-reset-location-views by
29408	default only if the target defines the corresponding hook.
29409	Enable -ginline-points by default if location views are
29410	enabled; force it disabled if statement frontiers are
29411	disabled.
29412	* tree-inline.c (expand_call_inline): Check option variables.
29413	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
29414
294152018-02-13  Richard Sandiford  <richard.sandiford@linaro.org>
29416
29417	PR tree-optimization/84321
29418	* tree-vrp.c (intersect_range_with_nonzero_bits): Fix VR_ANTI_RANGE
29419	handling.  Also check whether the anti-range contains any values
29420	that satisfy the mask; switch to a VR_RANGE if not.
29421
294222018-02-13  Paolo Bonzini  <bonzini@gnu.org>
29423
29424	PR sanitizer/84340
29425	* internal-fn.def (ASAN_CHECK, ASAN_MARK): Revert changes to fnspec.
29426
294272018-02-13  Martin Jambor  <mjambor@suse.cz>
29428
29429	PR c++/83990
29430	* ipa-param-manipulation.c (ipa_modify_call_arguments): Use location
29431	of call statements, also set location of a load to a temporary.
29432
294332018-02-13  Sebastian Perta  <sebastian.perta@renesas.com>
29434
29435	* config/rl78/rl78.c (add_vector_labels): New function.
29436	* config/rl78/rl78.c (rl78_handle_vector_attribute): New function.
29437	* config/rl78/rl78.c (rl78_start_function): Call add_vector_labels.
29438	* config/rl78/rl78.c (rl78_handle_func_attribute): Removed the assert
29439	which checks that no arguments are passed.
29440	* config/rl78/rl78.c (rl78_attribute_table): Add "vector" attribute.
29441	* doc/extend.texi: Documentation for the new attribute.
29442
294432018-02-13  Andreas Schwab  <schwab@suse.de>
29444
29445	* config/riscv/linux.h (CPP_SPEC): Define.
29446
294472018-02-13  Jakub Jelinek  <jakub@redhat.com>
29448
29449	PR target/84335
29450	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Pass
29451	OPTION_MASK_ISA_AES | OPTION_MASK_ISA_SSE2 instead of
29452	OPTION_MASK_ISA_AES as first argument to def_builtin_const
29453	for AES builtins.  Pass OPTION_MASK_ISA_PCLMUL | OPTION_MASK_ISA_SSE2
29454	instead of OPTION_MASK_ISA_PCLMUL as first argument to
29455	def_builtin_const for __builtin_ia32_pclmulqdq128 builtin.
29456	* config/i386/wmmintrin.h: If __SSE2__ is not defined, enable it
29457	temporarily for AES and PCLMUL builtins.
29458
29459	PR tree-optimization/84339
29460	* gimple-fold.c (get_range_strlen): Set *FLEXP to true when handling
29461	ARRAY_REF where first operand is array_at_struct_end_p COMPONENT_REF.
29462	Formatting fixes.
29463
29464	PR middle-end/84309
29465	* match.pd (pow(C,x) -> exp(log(C)*x)): Optimize instead into
29466	exp2(log2(C)*x) if C is a power of 2 and c99 runtime is available.
29467	* generic-match-head.c (canonicalize_math_after_vectorization_p): New
29468	inline function.
29469	* gimple-match-head.c (canonicalize_math_after_vectorization_p): New
29470	inline function.
29471	* omp-simd-clone.h: New file.
29472	* omp-simd-clone.c: Include omp-simd-clone.h.
29473	(expand_simd_clones): No longer static.
29474	* tree-vect-patterns.c: Include fold-const-call.h, attribs.h,
29475	cgraph.h and omp-simd-clone.h.
29476	(vect_recog_pow_pattern): Optimize pow(C,x) to exp(log(C)*x).
29477	(vect_recog_widen_shift_pattern): Formatting fix.
29478	(vect_pattern_recog_1): Don't check optab for calls.
29479
29480	PR target/84336
29481	* config/i386/sse.md (<avx512>_vpermi2var<mode>3_mask): Force
29482	operands[2] into a REG before using gen_lowpart on it.
29483
294842018-02-12  Jeff Law  <law@redhat.com>
29485
29486	PR target/83760
29487	* config/sh/sh.c (find_barrier): Consider a sibling call
29488	a barrier as well.
29489
29490	* cse.c (try_back_substitute_reg): Move any REG_ARGS_SIZE note when
29491	successfully back substituting a reg.
29492
294932018-02-12  Richard Biener  <rguenther@suse.de>
29494
29495	PR tree-optimization/84037
29496	* tree-vect-slp.c (vect_analyze_slp_cost): Add visited
29497	parameter, move visited init to caller.
29498	(vect_slp_analyze_operations): Separate cost from validity
29499	check, initialize visited once for all instances.
29500	(vect_schedule_slp): Analyze map to CSE vectorized nodes once
29501	for all instances.
29502	* tree-vect-stmts.c (vect_model_simple_cost): Make early
29503	out an assert.
29504	(vect_model_promotion_demotion_cost): Likewise.
29505	(vectorizable_bswap): Guard cost modeling with !slp_node
29506	instead of !PURE_SLP_STMT to avoid double-counting on hybrid
29507	SLP stmts.
29508	(vectorizable_call): Likewise.
29509	(vectorizable_conversion): Likewise.
29510	(vectorizable_assignment): Likewise.
29511	(vectorizable_shift): Likewise.
29512	(vectorizable_operation): Likewise.
29513	(vectorizable_store): Likewise.
29514	(vectorizable_load): Likewise.
29515	(vectorizable_condition): Likewise.
29516	(vectorizable_comparison): Likewise.
29517
295182018-02-12  Paolo Bonzini  <bonzini@gnu.org>
29519
29520	PR sanitizer/84307
29521	* internal-fn.def (ASAN_CHECK): Fix fnspec to account for return value.
29522	(ASAN_MARK): Fix fnspec to account for return value, change pointer
29523	argument from 'R' to 'W' so that the pointed-to datum is clobbered.
29524
295252018-02-08  Jan Hubicka  <hubicka@ucw.cz>
29526
29527	PR middle-end/83665
29528	* params.def (inline-min-speedup): Increase from 8 to 15.
29529	(max-inline-insns-auto): Decrease from 40 to 30.
29530	* ipa-split.c (consider_split): Add some buffer for function to
29531	be considered inlining candidate.
29532	* invoke.texi (max-inline-insns-auto, inline-min-speedup): UPdate
29533	default values.
29534
295352018-02-12  Richard Biener  <rguenther@suse.de>
29536
29537	PR tree-optimization/84037
29538	* tree-vect-slp.c (vect_build_slp_tree_2): Try swapping the
29539	matched stmts if we cannot swap the non-matched ones.
29540
295412018-02-12  Olga Makhotina  <olga.makhotina@intel.com>
29542
29543	* config/i386/avx512fintrin.h (_mm_mask_scalef_round_sd,
29544	_mm_maskz_scalef_round_sd, _mm_mask_scalef_round_ss,
29545	_mm_maskz_scalef_round_ss): New intrinsics.
29546	(__builtin_ia32_scalefsd_round, __builtin_ia32_scalefss_round): Fix.
29547	* config/i386/i386-builtin.def (__builtin_ia32_scalefsd_round,
29548	__builtin_ia32_scalefss_round): Remove.
29549	(__builtin_ia32_scalefsd_mask_round,
29550	__builtin_ia32_scalefss_mask_round): New intrinsics.
29551	* config/i386/sse.md (vmscalef<mode><round_name>): Renamed to ...
29552	(vmscalef<mode><mask_scalar_name><round_scalar_name>): ... this.
29553	((match_operand:VF_128 2 "<round_nimm_predicate>"
29554	"<round_constraint>")): Changed to ...
29555	((match_operand:VF_128 2 "<round_scalar_nimm_predicate>"
29556	"<round_scalar_constraint>")): ... this.
29557	("vscalef<ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|
29558	%0, %1, %2<round_op3>}"): Changed to ...
29559	("vscalef<ssescalarmodesuffix>\t{<round_scalar_mask_op3>%2, %1,
29560	%0<mask_scalar_operand3>|%0<mask_scalar_operand3>, %1,
29561	%2<round_scalar_mask_op3>}"): ... this.
29562	* config/i386/subst.md (round_scalar_nimm_predicate): New.
29563
295642018-02-12  Olga Makhotina  <olga.makhotina@intel.com>
29565
29566	* config/i386/avx512fintrin.h (_mm_mask_sqrt_round_sd)
29567	(_mm_maskz_sqrt_round_sd, _mm_mask_sqrt_round_ss)
29568	(_mm_maskz_sqrt_round_ss): New intrinsics.
29569	(__builtin_ia32_sqrtsd_round, __builtin_ia32_sqrtss_round): Remove.
29570	(__builtin_ia32_sqrtsd_mask_round)
29571	(__builtin_ia32_sqrtss_mask_round): New builtins.
29572	* config/i386/i386-builtin.def (__builtin_ia32_sqrtsd_round)
29573	(__builtin_ia32_sqrtss_round): Remove.
29574	(__builtin_ia32_sqrtsd_mask_round)
29575	(__builtin_ia32_sqrtss_mask_round): New builtins.
29576	* config/i386/sse.md (vmsqrt<mode>2<round_name>): Renamed to ...
29577	(vmsqrt<mode>2<mask_scalar_name><round_scalar_name>): ... this.
29578	((match_operand:VF_128 1 "vector_operand"
29579	"xBm,<round_constraint>")): Changed to ...
29580	((match_operand:VF_128 1 "vector_operand"
29581	"xBm,<round_scalar_constraint>")): ... this.
29582	(vsqrt<ssescalarmodesuffix>\t{<round_op3>%1, %2, %0|
29583	%0, %2, %<iptr>1<round_op3>}): Changed to ...
29584	(vsqrt<ssescalarmodesuffix>\t{<round_scalar_mask_op3>%1, %2,
29585	%0<mask_scalar_operand3>|%0<mask_scalar_operand3>, %2,
29586	%<iptr>1<round_scalar_mask_op3>}): ... this.
29587	((set_attr "prefix" "<round_prefix>")): Changed to ...
29588	((set_attr "prefix" "<round_scalar_prefix>")): ... this.
29589
295902018-02-11  Steven Munroe  <munroesj@gcc.gnu.org>
29591
29592	PR target/84266
29593	* config/rs6000/mmintrin.h (_mm_cmpeq_pi32 [_ARCH_PWR9]):
29594	Cast vec_cmpeq result to correct type.
29595	* config/rs6000/mmintrin.h (_mm_cmpgt_pi32 [_ARCH_PWR9]):
29596	Cast vec_cmpgt result to correct type.
29597
295982018-02-11  Alexandre Oliva  <aoliva@redhat.com>
29599
29600	* final.c (final_scan_insn_1): Renamed from...
29601	(final_scan_insn): ... this.  New wrapper, to recover
29602	seen from the outermost call in recursive ones.
29603	* config/sparc/sparc.c (output_return): Drop seen from call.
29604	(output_sibcall): Likewise.
29605	* config/visium/visium.c (output_branch): Likewise.
29606
296072018-02-10  John David Anglin  <danglin@gcc.gnu.org>
29608
29609	* config/pa/pa.c (hppa_profile_hook): Mark SYMBOL_REF for _mcount as
29610	function label.
29611
296122018-02-10  Alan Modra  <amodra@gmail.com>
29613
29614	PR target/84300
29615	* config/rs6000/rs6000.md (split_stack_return): Remove (use ..).
29616	Specify LR as an input.
29617
296182018-02-10  Jakub Jelinek  <jakub@redhat.com>
29619
29620	PR sanitizer/83987
29621	* omp-low.c (maybe_remove_omp_member_access_dummy_vars,
29622	remove_member_access_dummy_vars): New functions.
29623	(lower_omp_for, lower_omp_taskreg, lower_omp_target,
29624	lower_omp_1, execute_lower_omp): Use them.
29625
29626	PR rtl-optimization/84308
29627	* shrink-wrap.c (spread_components): Release todo vector.
29628
296292018-02-09  Vladimir Makarov  <vmakarov@redhat.com>
29630
29631	PR rtl-optimization/57193
29632	* ira-color.c (struct allocno_color_data): Add member
29633	conflict_allocno_hard_prefs.
29634	(update_conflict_allocno_hard_prefs): New.
29635	(bucket_allocno_compare_func): Add a preference based on
29636	conflict_allocno_hard_prefs.
29637	(push_allocno_to_stack): Update conflict_allocno_hard_prefs.
29638	(color_allocnos): Remove a dead code.  Initiate
29639	conflict_allocno_hard_prefs.  Call update_costs_from_prefs.
29640
296412018-02-09  Jakub Jelinek  <jakub@redhat.com>
29642
29643	PR target/84226
29644	* config/rs6000/vsx.md (p9_xxbrq_v16qi): Change input operand
29645	constraint from =wa to wa.  Avoid a subreg on the output operand,
29646	instead use a pseudo and subreg it in a move.
29647	(p9_xxbrd_<mode>): Changed to ...
29648	(p9_xxbrd_v2di): ... this insn, without VSX_D iterator.
29649	(p9_xxbrd_v2df): New expander.
29650	(p9_xxbrw_<mode>): Changed to ...
29651	(p9_xxbrw_v4si): ... this insn, without VSX_W iterator.
29652	(p9_xxbrw_v4sf): New expander.
29653
296542018-02-09  Sebastian Perta  <sebastian.perta@renesas.com>
29655
29656	* config/rx/rx.md (movsicc): Update expander to be matched by GCC.
29657
296582018-02-09  Peter Bergner  <bergner@vnet.ibm.com>
29659
29660	PR target/83926
29661	* config/rs6000/vsx.md (vsx_mul_v2di): Handle generating a 64-bit
29662	multiply in 32-bit mode.
29663	(vsx_div_v2di): Handle generating a 64-bit signed divide in 32-bit mode.
29664	(vsx_udiv_v2di): Handle generating a 64-bit unsigned divide in 32-bit
29665	mode.
29666
296672018-02-09  Sebastian Perta  <sebastian.perta@renesas.com>
29668
29669	* config/rx/constraints.md (CALL_OP_SYMBOL_REF): Added new constraint
29670	to allow or block "symbol_ref" depending on the value of TARGET_JSR.
29671	* config/rx/rx.md (call_internal): Use CALL_OP_SYMBOL_REF.
29672	* config/rx/rx.md (call_value_internal): Use CALL_OP_SYMBOL_REF.
29673
296742018-02-09  Pierre-Marie de Rodat  <derodat@adacore.com>
29675
29676	PR lto/84213
29677	* dwarf2out.c (is_trivial_indirect_ref): New function.
29678	(dwarf2out_late_global_decl): Do not generate a location
29679	attribute for variables that have a non-trivial DECL_VALUE_EXPR
29680	and that are not defined in the current unit.
29681
296822018-02-09  Eric Botcazou  <ebotcazou@adacore.com>
29683
29684	* optabs.c (prepare_cmp_insn): Try harder to emit a direct comparison
29685	instead of a libcall for UNORDERED.
29686
296872018-02-09  Tamar Christina  <tamar.christina@arm.com>
29688
29689	PR target/82641
29690	* config/arm/arm-c.c (arm_cpu_builtins): Un-define __ARM_FEATURE_LDREX,
29691	__ARM_ARCH_PROFILE, __ARM_ARCH_ISA_THUMB, __ARM_FP and __ARM_NEON_FP.
29692
296932018-02-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
29694
29695	PR target/PR84295
29696	* config/s390/s390.c (s390_set_current_function): Invoke
29697	s390_indirect_branch_settings also if fndecl didn't change.
29698
296992018-02-09  Alexandre Oliva  <aoliva@redhat.com>
29700
29701	* config/rs6000/rs6000.md (blockage): Set length to zero.
29702
297032018-02-09  Eric Botcazou  <ebotcazou@adacore.com>
29704
29705	* expr.c (optimize_bitfield_assignment_op): Remove obsolete assertion.
29706
297072018-02-09  Jakub Jelinek  <jakub@redhat.com>
29708
29709	PR sanitizer/84285
29710	* gcc.c (STATIC_LIBASAN_LIBS, STATIC_LIBTSAN_LIBS,
29711	STATIC_LIBLSAN_LIBS, STATIC_LIBUBSAN_LIBS): Handle -static like
29712	-static-lib*san.
29713
29714	PR debug/84252
29715	* var-tracking.c (vt_add_function_parameter): Punt for non-onepart
29716	PARALLEL incoming that failed vt_get_decl_and_offset check.
29717
29718	PR middle-end/84237
29719	* output.h (bss_initializer_p): Add NAMED argument, defaulted to false.
29720	* varasm.c (bss_initializer_p): Add NAMED argument, if true, ignore
29721	TREE_READONLY bit.
29722	(get_variable_section): For decls in named .bss* sections pass true as
29723	second argument to bss_initializer_p.
29724
297252018-02-09  Marek Polacek  <polacek@redhat.com>
29726	    Jakub Jelinek  <jakub@redhat.com>
29727
29728	PR c++/83659
29729	* fold-const.c (fold_indirect_ref_1): Use VECTOR_TYPE_P macro.
29730	Formatting fixes.  Verify first that tree_fits_poly_int64_p (op01).
29731	Sync some changes from cxx_fold_indirect_ref.
29732
297332018-02-09  Alexandre Oliva  <aoliva@redhat.com>
29734
29735	* cfgexpand.c (expand_gimple_basic_block): Handle inline entry
29736	markers.
29737	* dwarf2out.c (dwarf2_debug_hooks): Enable inline_entry hook.
29738	(BLOCK_INLINE_ENTRY_LABEL): New.
29739	(dwarf2out_var_location): Disregard inline entry markers.
29740	(inline_entry_data): New struct.
29741	(inline_entry_data_hasher): New hashtable type.
29742	(inline_entry_data_hasher::hash): New.
29743	(inline_entry_data_hasher::equal): New.
29744	(inline_entry_data_table): New variable.
29745	(add_high_low_attributes): Add DW_AT_entry_pc and
29746	DW_AT_GNU_entry_view attributes if a pending entry is found
29747	in inline_entry_data_table.  Add old entry_pc attribute only
29748	if debug nonbinding markers are disabled.
29749	(gen_inlined_subroutine_die): Set BLOCK_DIE if nonbinding
29750	markers are enabled.
29751	(block_within_block_p, dwarf2out_inline_entry): New.
29752	(dwarf2out_finish): Check that no entries remained in
29753	inline_entry_data_table.
29754	* final.c (reemit_insn_block_notes): Handle inline entry notes.
29755	(final_scan_insn, notice_source_line): Likewise.
29756	(rest_of_clean_state): Skip inline entry markers.
29757	* gimple-pretty-print.c (dump_gimple_debug): Handle inline entry
29758	markers.
29759	* gimple.c (gimple_build_debug_inline_entry): New.
29760	* gimple.h (enum gimple_debug_subcode): Add
29761	GIMPLE_DEBUG_INLINE_ENTRY.
29762	(gimple_build_debug_inline_entry): Declare.
29763	(gimple_debug_inline_entry_p): New.
29764	(gimple_debug_nonbind_marker_p): Adjust.
29765	* insn-notes.def (INLINE_ENTRY): New.
29766	* print-rtl.c (rtx_writer::print_rtx_operand_code_0): Handle
29767	inline entry marker notes.
29768	(print_insn): Likewise.
29769	* rtl.h	(NOTE_MARKER_P): Add INLINE_ENTRY support.
29770	(INSN_DEBUG_MARKER_KIND): Likewise.
29771	(GEN_RTX_DEBUG_MARKER_INLINE_ENTRY_PAT): New.
29772	* tree-inline.c	(expand_call_inline): Build and insert
29773	debug_inline_entry stmt.
29774	* tree-ssa-live.c (remove_unused_scope_block_p): Preserve
29775	inline entry blocks early, if nonbind markers are enabled.
29776	(dump_scope_block): Dump fragment info.
29777	* var-tracking.c (reemit_marker_as_note): Handle inline entry note.
29778	* doc/gimple.texi (gimple_debug_inline_entry_p): New.
29779	(gimple_build_debug_inline_entry): New.
29780	* doc/invoke.texi (gstatement-frontiers, gno-statement-frontiers):
29781	Enable/disable inline entry points too.
29782	* doc/rtl.texi (NOTE_INSN_INLINE_ENTRY): New.
29783	(DEBUG_INSN): Describe inline entry markers.
29784
29785	* common.opt (gvariable-location-views): New.
29786	(gvariable-location-views=incompat5): New.
29787	* config.in: Rebuilt.
29788	* configure: Rebuilt.
29789	* configure.ac: Test assembler for view support.
29790	* dwarf2asm.c (dw2_asm_output_symname_uleb128): New.
29791	* dwarf2asm.h (dw2_asm_output_symname_uleb128): Declare.
29792	* dwarf2out.c (var_loc_view): New typedef.
29793	(struct dw_loc_list_struct): Add vl_symbol, vbegin, vend.
29794	(dwarf2out_locviews_in_attribute): New.
29795	(dwarf2out_locviews_in_loclist): New.
29796	(dw_val_equal_p): Compare val_view_list of dw_val_class_view_lists.
29797	(enum dw_line_info_opcode): Add LI_adv_address.
29798	(struct dw_line_info_table): Add view.
29799	(RESET_NEXT_VIEW, RESETTING_VIEW_P): New macros.
29800	(DWARF2_ASM_VIEW_DEBUG_INFO): Define default.
29801	(zero_view_p): New variable.
29802	(ZERO_VIEW_P): New macro.
29803	(output_asm_line_debug_info): New.
29804	(struct var_loc_node): Add view.
29805	(add_AT_view_list, AT_loc_list): New.
29806	(add_var_loc_to_decl): Add view param.  Test it against last.
29807	(new_loc_list): Add view params.  Record them.
29808	(AT_loc_list_ptr): Handle loc and view lists.
29809	(view_list_to_loc_list_val_node): New.
29810	(print_dw_val): Handle dw_val_class_view_list.
29811	(size_of_die): Likewise.
29812	(value_format): Likewise.
29813	(loc_list_has_views): New.
29814	(gen_llsym): Set vl_symbol too.
29815	(maybe_gen_llsym, skip_loc_list_entry): New.
29816	(dwarf2out_maybe_output_loclist_view_pair): New.
29817	(output_loc_list): Output view list or entries too.
29818	(output_view_list_offset): New.
29819	(output_die): Handle dw_val_class_view_list.
29820	(output_dwarf_version): New.
29821	(output_compilation_unit_header): Use it.
29822	(output_skeleton_debug_sections): Likewise.
29823	(output_rnglists, output_line_info): Likewise.
29824	(output_pubnames, output_aranges): Update version comments.
29825	(output_one_line_info_table): Output view numbers in asm comments.
29826	(dw_loc_list): Determine current endview, pass it to new_loc_list.
29827	Call maybe_gen_llsym.
29828	(loc_list_from_tree_1): Adjust.
29829	(add_AT_location_description): Create view list attribute if
29830	needed, check it's absent otherwise.
29831	(convert_cfa_to_fb_loc_list): Adjust.
29832	(maybe_emit_file): Call output_asm_line_debug_info for test.
29833	(dwarf2out_var_location): Reset views as needed.  Precompute
29834	add_var_loc_to_decl args.  Call get_attr_min_length only if we have the
29835	attribute.  Set view.
29836	(new_line_info_table): Reset next view.
29837	(set_cur_line_info_table): Call output_asm_line_debug_info for test.
29838	(dwarf2out_source_line): Likewise.  Output view resets and labels to
29839	the assembler, or select appropriate line info opcodes.
29840	(prune_unused_types_walk_attribs): Handle dw_val_class_view_list.
29841	(optimize_string_length): Catch it.  Adjust.
29842	(resolve_addr): Copy vl_symbol along with ll_symbol.  Handle
29843	dw_val_class_view_list, and remove it if no longer needed.
29844	(hash_loc_list): Hash view numbers.
29845	(loc_list_hasher::equal): Compare them.
29846	(optimize_location_lists): Check whether a view list symbol is
29847	needed, and whether the locview attribute is present, and
29848	whether they match.  Remove the locview attribute if no longer
29849	needed.
29850	(index_location_lists): Call skip_loc_list_entry for test.
29851	(dwarf2out_finish): Call output_asm_line_debug_info for test.
29852	Use output_dwarf_version.
29853	* dwarf2out.h (enum dw_val_class): Add dw_val_class_view_list.
29854	(struct dw_val_node): Add val_view_list.
29855	* final.c (SEEN_NEXT_VIEW): New.
29856	(set_next_view_needed): New.
29857	(clear_next_view_needed): New.
29858	(maybe_output_next_view): New.
29859	(final_start_function): Rename to...
29860	(final_start_function_1): ... this.  Take pointer to FIRST,
29861	add SEEN parameter.  Emit param bindings in the initial view.
29862	(final_start_function): Reintroduce SEEN-less interface.
29863	(final): Rename to...
29864	(final_1): ... this.  Take SEEN parameter.  Output final pending
29865	next view at the end.
29866	(final): Reintroduce seen-less interface.
29867	(final_scan_insn): Output pending next view before switching
29868	sections or ending a block.  Mark the next view as needed when
29869	outputting variable locations.  Notify debug backend of section
29870	changes, and of location view changes.
29871	(rest_of_handle_final): Adjust.
29872	* toplev.c (process_options): Autodetect value for debug variable
29873	location views option.  Warn on incompat5 without -gdwarf-5.
29874	* doc/invoke.texi (gvariable-location-views): New.
29875	(gvariable-location-views=incompat5): New.
29876	(gno-variable-location-views): New.
29877
298782018-02-08  David Malcolm  <dmalcolm@redhat.com>
29879
29880	PR tree-optimization/84136
29881	* tree-cfg.c (find_taken_edge_computed_goto): Remove assertion
29882	that the result of find_edge is non-NULL.
29883
298842018-02-08  Sergey Shalnov  <sergey.shalnov@intel.com>
29885
29886	PR target/83008
29887	* config/i386/x86-tune-costs.h (skylake_cost): Fix cost of
29888	storing integer register in SImode.  Fix cost of 256 and 512
29889	byte aligned SSE register store.
29890
298912018-02-08  Sergey Shalnov  <sergey.shalnov@intel.com>
29892
29893	* config/i386/i386.c (ix86_multiplication_cost): Fix
29894	multiplication cost for TARGET_AVX512DQ.
29895
298962018-02-08  Marek Polacek  <polacek@redhat.com>
29897
29898	PR tree-optimization/84238
29899	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Verify the result of
29900	get_range_strlen.
29901
299022018-02-08  Richard Sandiford  <richard.sandiford@linaro.org>
29903
29904	PR tree-optimization/84265
29905	* tree-vect-stmts.c (vectorizable_store): Don't treat
29906	VMAT_CONTIGUOUS accesses as grouped.
29907	(vectorizable_load): Likewise.
29908
299092018-02-08  Richard Sandiford  <richard.sandiford@linaro.org>
29910
29911	PR tree-optimization/81635
29912	* wide-int.h (wi::round_down_for_mask, wi::round_up_for_mask): Declare.
29913	* wide-int.cc (wi::round_down_for_mask, wi::round_up_for_mask)
29914	(test_round_for_mask): New functions.
29915	(wide_int_cc_tests): Call test_round_for_mask.
29916	* tree-vrp.h (intersect_range_with_nonzero_bits): Declare.
29917	* tree-vrp.c (intersect_range_with_nonzero_bits): New function.
29918	* tree-data-ref.c (split_constant_offset_1): Use it to refine the
29919	range returned by get_range_info.
29920
299212018-02-08  Jan Hubicka  <hubicka@ucw.cz>
29922
29923	PR ipa/81360
29924	* cgraph.h (symtab_node::output_to_lto_symbol_table_p): Declare
29925	* symtab.c: Include builtins.h
29926	(symtab_node::output_to_lto_symbol_table_p): Move here
29927	from lto-streamer-out.c:output_symbol_p.
29928	* lto-streamer-out.c (write_symbol): Turn early exit to assert.
29929	(output_symbol_p): Move all logic to symtab.c
29930	(produce_symtab): Update.
29931
299322018-02-08  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
29933
29934	* config/s390/s390-opts.h (enum indirect_branch): Define.
29935	* config/s390/s390-protos.h (s390_return_addr_from_memory)
29936	(s390_indirect_branch_via_thunk)
29937	(s390_indirect_branch_via_inline_thunk): Add function prototypes.
29938	(enum s390_indirect_branch_type): Define.
29939	* config/s390/s390.c (struct s390_frame_layout, struct
29940	machine_function): Remove.
29941	(indirect_branch_prez10thunk_mask, indirect_branch_z10thunk_mask)
29942	(indirect_branch_table_label_no, indirect_branch_table_name):
29943	Define variables.
29944	(INDIRECT_BRANCH_NUM_OPTIONS): Define macro.
29945	(enum s390_indirect_branch_option): Define.
29946	(s390_return_addr_from_memory): New function.
29947	(s390_handle_string_attribute): New function.
29948	(s390_attribute_table): Add new attribute handler.
29949	(s390_execute_label): Handle UNSPEC_EXECUTE_JUMP patterns.
29950	(s390_indirect_branch_via_thunk): New function.
29951	(s390_indirect_branch_via_inline_thunk): New function.
29952	(s390_function_ok_for_sibcall): When jumping via thunk disallow
29953	sibling call optimization for non z10 compiles.
29954	(s390_emit_call): Force indirect branch target to be a single
29955	register.  Add r1 clobber for non-z10 compiles.
29956	(s390_emit_epilogue): Emit return jump via return_use expander.
29957	(s390_reorg): Handle JUMP_INSNs as execute targets.
29958	(s390_option_override_internal): Perform validity checks for the
29959	new command line options.
29960	(s390_indirect_branch_attrvalue): New function.
29961	(s390_indirect_branch_settings): New function.
29962	(s390_set_current_function): Invoke s390_indirect_branch_settings.
29963	(s390_output_indirect_thunk_function):  New function.
29964	(s390_code_end): Implement target hook.
29965	(s390_case_values_threshold): Implement target hook.
29966	(TARGET_ASM_CODE_END, TARGET_CASE_VALUES_THRESHOLD): Define target
29967	macros.
29968	* config/s390/s390.h (struct s390_frame_layout)
29969	(struct	machine_function): Move here from s390.c.
29970	(TARGET_INDIRECT_BRANCH_NOBP_RET)
29971	(TARGET_INDIRECT_BRANCH_NOBP_JUMP)
29972	(TARGET_INDIRECT_BRANCH_NOBP_JUMP_THUNK)
29973	(TARGET_INDIRECT_BRANCH_NOBP_JUMP_INLINE_THUNK)
29974	(TARGET_INDIRECT_BRANCH_NOBP_CALL)
29975	(TARGET_DEFAULT_INDIRECT_BRANCH_TABLE)
29976	(TARGET_INDIRECT_BRANCH_THUNK_NAME_EXRL)
29977	(TARGET_INDIRECT_BRANCH_THUNK_NAME_EX)
29978	(TARGET_INDIRECT_BRANCH_TABLE): Define macros.
29979	* config/s390/s390.md (UNSPEC_EXECUTE_JUMP)
29980	(INDIRECT_BRANCH_THUNK_REGNUM): Define constants.
29981	(mnemonic attribute): Add values which aren't recognized
29982	automatically.
29983	("*cjump_long", "*icjump_long", "*basr", "*basr_r"): Disable
29984	pattern for branch conversion.  Fix mnemonic attribute.
29985	("*c<code>", "*sibcall_br", "*sibcall_value_br", "*return"): Emit
29986	indirect branch via thunk if requested.
29987	("indirect_jump", "<code>"): Expand patterns for branch conversion.
29988	("*indirect_jump"): Disable for branch conversion using out of
29989	line thunks.
29990	("indirect_jump_via_thunk<mode>_z10")
29991	("indirect_jump_via_thunk<mode>")
29992	("indirect_jump_via_inlinethunk<mode>_z10")
29993	("indirect_jump_via_inlinethunk<mode>", "*casesi_jump")
29994	("casesi_jump_via_thunk<mode>_z10", "casesi_jump_via_thunk<mode>")
29995	("casesi_jump_via_inlinethunk<mode>_z10")
29996	("casesi_jump_via_inlinethunk<mode>", "*basr_via_thunk<mode>_z10")
29997	("*basr_via_thunk<mode>", "*basr_r_via_thunk_z10")
29998	("*basr_r_via_thunk", "return<mode>_prez10"): New pattern.
29999	("*indirect2_jump"): Disable for branch conversion.
30000	("casesi_jump"): Turn into expander and expand patterns for branch
30001	conversion.
30002	("return_use"): New expander.
30003	("*return"): Emit return via thunk and rename it to ...
30004	("*return<mode>"): ... this one.
30005	* config/s390/s390.opt: Add new options and and enum for the
30006	option values.
30007
300082018-02-08  Richard Sandiford  <richard.sandiford@linaro.org>
30009
30010	* lra-constraints.c (match_reload): Unconditionally use
30011	gen_lowpart_SUBREG, rather than selecting between that
30012	and equivalent gen_rtx_SUBREG code.
30013
300142018-02-08  Richard Biener  <rguenther@suse.de>
30015
30016	PR tree-optimization/84233
30017	* tree-ssa-phiprop.c (propagate_with_phi): Use separate
30018	changed flag instead of boguously re-using phi_inserted.
30019
300202018-02-08  Martin Jambor  <mjambor@suse.cz>
30021
30022	* hsa-gen.c (get_symbol_for_decl): Set program allocation for
30023	static local variables.
30024
300252018-02-08  Richard Biener  <rguenther@suse.de>
30026
30027	PR tree-optimization/84278
30028	* tree-vect-stmts.c (vectorizable_store): When looking for
30029	smaller vector types to perform grouped strided loads/stores
30030	make sure the mode is supported by the target.
30031	(vectorizable_load): Likewise.
30032
300332018-02-08  Wilco Dijkstra  <wdijkstr@arm.com>
30034
30035	* config/aarch64/aarch64.c (aarch64_components_for_bb):
30036	Increase LDP/STP opportunities by adding adjacent callee-saves.
30037
300382018-02-08  Wilco Dijkstra  <wdijkstr@arm.com>
30039
30040	PR rtl-optimization/84068
30041	PR rtl-optimization/83459
30042	* haifa-sched.c (rank_for_schedule): Fix SCHED_PRESSURE_MODEL sorting.
30043
300442018-02-08  Aldy Hernandez  <aldyh@redhat.com>
30045
30046	PR tree-optimization/84224
30047	* gimple-ssa-warn-alloca.c (pass_walloca::execute): Remove assert.
30048	* calls.c (gimple_alloca_call_p): Only return TRUE when we have
30049	non-zero arguments.
30050
300512018-02-07  Iain Sandoe  <iain@codesourcery.com>
30052
30053	PR target/84113
30054	* config/rs6000/altivec.md (*restore_world): Remove LR use.
30055	* config/rs6000/predicates.md (restore_world_operation): Adjust op
30056	count, remove one USE.
30057
300582018-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
30059
30060	* doc/install.texi (Configuration): Document the
30061	--with-long-double-format={ibm,ieee} PowerPC configuration
30062	options.
30063
30064	PR target/84154
30065	* config/rs6000/rs6000.md (fix_trunc<SFDF:mode><QHI:mode>2):
30066	Convert from define_expand to be define_insn_and_split.  Rework
30067	float/double/_Float128 conversions to QI/HI/SImode to work with
30068	both ISA 2.07 (power8) or ISA 3.0 (power9).  Fix regression where
30069	conversions to QI/HImode types did a store and then a load to
30070	truncate the value.  For conversions to VSX registers, don't split
30071	the insn, instead emit the code directly.  Use the code iterator
30072	any_fix to combine signed and unsigned conversions.
30073	(fix<uns>_trunc<SFDF:mode>si2_p8): Likewise.
30074	(fixuns_trunc<SFDF:mode><QHI:mode>2): Likewise.
30075	(fix_trunc<IEEE128:mode><QHI:mode>2): Likewise.
30076	(fix<uns>_trunc<SFDF:mode><QHI:mode>2): Likewise.
30077	(fix_<mode>di2_hw): Likewise.
30078	(fixuns_<mode>di2_hw): Likewise.
30079	(fix_<mode>si2_hw): Likewise.
30080	(fixuns_<mode>si2_hw): Likewise.
30081	(fix<uns>_<IEEE128:mode><SDI:mode>2_hw): Likewise.
30082	(fix<uns>_trunc<IEEE128:mode><QHI:mode>2): Likewise.
30083	(fctiw<u>z_<mode>_smallint): Rename fctiw<u>z_<mode>_smallint to
30084	fix<uns>_trunc<SFDF:mode>si2_p8.
30085	(fix_trunc<SFDF:mode><QHI:mode>2_internal): Delete, no longer used.
30086	(fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
30087	(fix<uns>_<mode>_mem): Likewise.
30088	(fctiw<u>z_<mode>_mem): Likewise.
30089	(fix<uns>_<mode>_mem): Likewise.
30090	(fix<uns>_trunc<SFDF:mode><QHSI:mode>2_mem): On ISA 3.0, prevent
30091	the register allocator from doing a direct move to the GPRs to do
30092	a store, and instead use the ISA 3.0 store byte/half-word from
30093	vector register instruction.  For IEEE 128-bit floating point,
30094	also optimize stores of 32-bit ints.
30095	(fix<uns>_trunc<IEEE128:mode><QHSI:mode>2_mem): Likewise.
30096
300972018-02-07  Alan Hayward  <alan.hayward@arm.com>
30098
30099	* genextract.c (push_pathstr_operand): New function to support
30100	[a-zA-Z].
30101	(walk_rtx): Call push_pathstr_operand.
30102	(print_path): Support [a-zA-Z].
30103
301042018-02-07  Richard Biener  <rguenther@suse.de>
30105
30106	PR tree-optimization/84037
30107	* tree-vectorizer.h (struct _loop_vec_info): Add ivexpr_map member.
30108	(cse_and_gimplify_to_preheader): Declare.
30109	(vect_get_place_in_interleaving_chain): Likewise.
30110	* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
30111	ivexpr_map.
30112	(_loop_vec_info::~_loop_vec_info): Delete it.
30113	(cse_and_gimplify_to_preheader): New function.
30114	* tree-vect-slp.c (vect_get_place_in_interleaving_chain): Export.
30115	* tree-vect-stmts.c (vectorizable_store): CSE base and steps.
30116	(vectorizable_load): Likewise.  For grouped stores always base
30117	the IV on the first element.
30118	* tree-vect-loop-manip.c (vect_loop_versioning): Unshare versioning
30119	condition before gimplifying.
30120
301212018-02-07  Jakub Jelinek  <jakub@redhat.com>
30122
30123	* tree-eh.c (operation_could_trap_helper_p): Ignore honor_trapv for
30124	*DIV_EXPR and *MOD_EXPR.
30125
301262018-02-07  H.J. Lu  <hongjiu.lu@intel.com>
30127
30128	PR target/84248
30129	* config/i386/i386.c (ix86_option_override_internal): Mask out
30130	the CF_SET bit when checking -fcf-protection.
30131
301322018-02-07  Tom de Vries  <tom@codesourcery.com>
30133
30134	PR libgomp/84217
30135	* omp-expand.c (expand_oacc_collapse_init): Ensure diff_type is large
30136	enough.
30137
301382018-02-07  Richard Biener  <rguenther@suse.de>
30139
30140	PR tree-optimization/84204
30141	* tree-chrec.c (chrec_fold_plus_1): Remove size limiting in
30142	this place.
30143
30144	PR tree-optimization/84205
30145	* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Also
30146	special-case isl_ast_op_zdiv_r.
30147
30148	PR tree-optimization/84223
30149	* graphite-scop-detection.c (gather_bbs::before_dom_children):
30150	Only add conditions from within the region.
30151	(gather_bbs::after_dom_children): Adjust.
30152
301532018-02-07  Georg-Johann Lay  <avr@gjlay.de>
30154
30155	PR target/84209
30156	* config/avr/avr.h (GENERAL_REGNO_P, GENERAL_REG_P): New macros.
30157	* config/avr/avr.md: Only post-reload split REG-REG moves if
30158	either register is GENERAL_REG_P.
30159
301602018-02-07  Jakub Jelinek  <jakub@redhat.com>
30161
30162	PR tree-optimization/84235
30163	* tree-ssa-scopedtables.c
30164	(avail_exprs_stack::simplify_binary_operation): Fir MINUS_EXPR, punt
30165	if the subtraction is performed in floating point type where NaNs are
30166	honored.  For *DIV_EXPR, punt for ALL_FRACT_MODE_Ps where we can't
30167	build 1.  Formatting fix.
30168
301692018-02-06  Jakub Jelinek  <jakub@redhat.com>
30170
30171	PR target/84146
30172	* config/i386/i386.c (rest_of_insert_endbranch): Only skip
30173	NOTE_INSN_CALL_ARG_LOCATION after a call, not anything else,
30174	and skip it regardless of bb boundaries.  Use CALL_P macro,
30175	don't test INSN_P (insn) together with CALL_P or JUMP_P check
30176	unnecessarily, formatting fix.
30177
301782018-02-06  Michael Collison  <michael.collison@arm.com>
30179
30180	* config/arm/thumb2.md:
30181	(*thumb2_mov_negscc): Split only if TARGET_THUMB2 && !arm_restrict_it.
30182	(*thumb_mov_notscc): Ditto.
30183
301842018-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
30185
30186	PR target/84154
30187	* config/rs6000/rs6000.md (su code attribute): Use "u" for
30188	unsigned_fix, not "s".
30189
301902018-02-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30191
30192	* configure.ac (gcc_fn_eh_frame_ro): New function.
30193	(gcc_cv_as_cfi_directive): Check both 32 and 64-bit assembler for
30194	correct .eh_frame permissions.
30195	* configure: Regenerate.
30196
301972018-02-06  Andrew Jenner  <andrew@codeourcery.com>
30198
30199	* doc/invoke.texi: Add section for the PowerPC SPE backend. Remove
30200	irrelevant options.
30201
302022018-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
30203
30204	* config/rs6000/rs6000.c (rs6000_option_override_internal):
30205	Display warning message for -mno-speculate-indirect-jumps.
30206
302072018-02-06  Andrew Jenner  <andrew@codesourcery.com>
30208
30209	* config/powerpcspe/powerpcspe.opt: (msimple-fpu, mfpu) Add
30210	Undocumented.
30211	* config/powerpcspe/sysv4.opt (mbit-align): Likewise.
30212
302132018-02-06  Aldy Hernandez  <aldyh@redhat.com>
30214
30215	PR tree-optimization/84225
30216	* tree-eh.c (find_trapping_overflow): Only call
30217	operation_no_trapping_overflow when ANY_INTEGRAL_TYPE_P.
30218
302192018-02-06  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
30220
30221	PR target/84145
30222	* config/i386/i386.c: Reimplement the check of possible options
30223	-mibt/-mshstk conbination. Change error messages.
30224	* doc/invoke.texi: Fix a typo: remove extra '='.
30225
302262018-02-06  Marek Polacek  <polacek@redhat.com>
30227
30228	PR tree-optimization/84228
30229	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Skip debug statements.
30230
302312018-02-06  Tamar Christina  <tamar.christina@arm.com>
30232
30233	PR target/82641
30234	* config/arm/arm.c (arm_print_asm_arch_directives): Record already
30235	emitted arch directives.
30236	* config/arm/arm-c.c (arm_cpu_builtins): Undefine __ARM_ARCH and
30237	__ARM_FEATURE_COPROC before changing architectures.
30238
302392018-02-06  Richard Biener  <rguenther@suse.de>
30240
30241	* config/i386/i386.c (print_reg): Fix typo.
30242	(ix86_loop_unroll_adjust): Do not unroll beyond the original nunroll.
30243
302442018-02-06  Eric Botcazou  <ebotcazou@adacore.com>
30245
30246	* configure: Regenerate.
30247
302482018-02-05  Martin Sebor  <msebor@redhat.com>
30249
30250	PR tree-optimization/83369
30251	* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Use %G to print
30252	inlining context.
30253
302542018-02-05  Martin Liska  <mliska@suse.cz>
30255
30256	* doc/invoke.texi: Cherry-pick upstream r323995.
30257
302582018-02-05  Richard Sandiford  <richard.sandiford@linaro.org>
30259
30260	* ira.c (ira_init_register_move_cost): Adjust comment.
30261
302622018-02-05  Martin Liska  <mliska@suse.cz>
30263
30264	PR gcov-profile/84137
30265	* doc/gcov.texi: Fix typo in documentation.
30266
302672018-02-05  Martin Liska  <mliska@suse.cz>
30268
30269	PR gcov-profile/83879
30270	* doc/gcov.texi: Document necessity of --dynamic-list-data when
30271	using dlopen functionality.
30272
302732018-02-05  Olga Makhotina  <olga.makhotina@intel.com>
30274
30275	* config/i386/avx512dqintrin.h (_mm_mask_range_sd, _mm_maskz_range_sd,
30276	_mm_mask_range_round_sd, _mm_maskz_range_round_sd, _mm_mask_range_ss,
30277	_mm_maskz_range_ss, _mm_mask_range_round_ss,
30278	_mm_maskz_range_round_ss): New intrinsics.
30279	(__builtin_ia32_rangesd128_round)
30280	(__builtin_ia32_rangess128_round): Remove.
30281	(__builtin_ia32_rangesd128_mask_round,
30282	__builtin_ia32_rangess128_mask_round): New builtins.
30283	* config/i386/i386-builtin.def (__builtin_ia32_rangesd128_round,
30284	__builtin_ia32_rangess128_round): Remove.
30285	(__builtin_ia32_rangesd128_mask_round,
30286	__builtin_ia32_rangess128_mask_round): New builtins.
30287	* config/i386/sse.md (ranges<mode><round_saeonly_name>): Renamed to ...
30288	(ranges<mode><mask_scalar_name><round_saeonly_scalar_name>): ... this.
30289	((match_operand:VF_128 2 "<round_saeonly_nimm_predicate>"
30290	"<round_saeonly_constraint>")): Changed to ...
30291	((match_operand:VF_128 2 "<round_saeonly_scalar_nimm_predicate>"
30292	"<round_saeonly_scalar_constraint>")): ... this.
30293	("vrange<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
30294	%0, %1, %2<round_saeonly_op4>, %3}"): Changed to ...
30295	("vrange<ssescalarmodesuffix>\t{%3, <round_saeonly_scalar_mask_op4>%2,
30296	%1, %0<mask_scalar_operand4>|%0<mask_scalar_operand4>, %1,
30297	%2<round_saeonly_scalar_mask_op4>, %3}"): ... this.
30298
302992018-02-02  Andrew Jenner  <andrew@codesourcery.com>
30300
30301	* config/powerpcspe/powerpcspe.opt: Add Undocumented to irrelevant
30302	options.
30303	* config/powerpcspe/powerpcspe-tables.opt (rs6000_cpu_opt_value):
30304	Remove all values except native, 8540 and 8548.
30305
303062018-02-02  H.J. Lu  <hongjiu.lu@intel.com>
30307
30308	* config/i386/i386.c (ix86_output_function_return): Pass
30309	INVALID_REGNUM, instead of -1, as invalid register number to
30310	indirect_thunk_name and output_indirect_thunk.
30311
303122018-02-02  Julia Koval  <julia.koval@intel.com>
30313
30314	* config.gcc: Add -march=icelake.
30315	* config/i386/driver-i386.c (host_detect_local_cpu): Detect icelake.
30316	* config/i386/i386-c.c (ix86_target_macros_internal): Handle icelake.
30317	* config/i386/i386.c (processor_costs): Add m_ICELAKE.
30318	(PTA_ICELAKE, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES, PTA_AVX512VBMI2,
30319	PTA_VPCLMULQDQ, PTA_RDPID, PTA_AVX512BITALG): New.
30320	(processor_target_table): Add icelake.
30321	(ix86_option_override_internal): Handle new PTAs.
30322	(get_builtin_code_for_version): Handle icelake.
30323	(M_INTEL_COREI7_ICELAKE): New.
30324	(fold_builtin_cpu): Handle icelake.
30325	* config/i386/i386.h (TARGET_ICELAKE, PROCESSOR_ICELAKE): New.
30326	* doc/invoke.texi: Add -march=icelake.
30327
303282018-02-02  Julia Koval  <julia.koval@intel.com>
30329
30330	* config/i386/i386.c (ix86_option_override_internal): Change flags type
30331	to wide_int_bitmask.
30332	* wide-int-bitmask.h: New.
30333
303342018-02-02  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
30335
30336	PR target/84066
30337	* config/i386/i386.md: Replace Pmode with word_mode in
30338	builtin_setjmp_setup and builtin_longjmp to support x32.
30339
303402018-02-01  Peter Bergner  <bergner@vnet.ibm.com>
30341
30342	PR target/56010
30343	PR target/83743
30344	* config/rs6000/driver-rs6000.c: #include "diagnostic.h".
30345	#include "opts.h".
30346	(rs6000_supported_cpu_names): New static variable.
30347	(linux_cpu_translation_table): Likewise.
30348	(elf_platform) <cpu>: Define new static variable and use it.
30349	Translate kernel AT_PLATFORM name to canonical name if needed.
30350	Error if platform name is unknown.
30351
303522018-02-01  Aldy Hernandez  <aldyh@redhat.com>
30353
30354	PR target/84089
30355	* config/pa/predicates.md (base14_operand): Handle E_VOIDmode.
30356
303572018-02-01  Jeff Law  <law@redhat.com>
30358
30359	PR target/84128
30360	* config/i386/i386.c (release_scratch_register_on_entry): Add new
30361	OFFSET and RELEASE_VIA_POP arguments.  Use SP+OFFSET to restore
30362	the scratch if RELEASE_VIA_POP is false.
30363	(ix86_adjust_stack_and_probe_stack_clash): Un-constify SIZE.
30364	If we have to save a temporary register, decrement SIZE appropriately.
30365	Pass new arguments to release_scratch_register_on_entry.
30366	(ix86_adjust_stack_and_probe): Likewise.
30367	(ix86_emit_probe_stack_range): Pass new arguments to
30368	release_scratch_register_on_entry.
30369
303702018-02-01  Uros Bizjak  <ubizjak@gmail.com>
30371
30372	PR rtl-optimization/84157
30373	* combine.c (change_zero_ext): Use REG_P predicate in
30374	front of HARD_REGISTER_P predicate.
30375
303762018-02-01  Georg-Johann Lay  <avr@gjlay.de>
30377
30378	* config/avr/avr.c (avr_option_override): Move disabling of
30379	-fdelete-null-pointer-checks to...
30380	* common/config/avr/avr-common.c (avr_option_optimization_table):
30381	...here.
30382
303832018-02-01  Richard Sandiford  <richard.sandiford@linaro.org>
30384
30385	PR tree-optimization/81635
30386	* tree-data-ref.c (split_constant_offset_1): For types that
30387	wrap on overflow, try to use range info to prove that wrapping
30388	cannot occur.
30389
303902018-02-01  Renlin Li  <renlin.li@arm.com>
30391
30392	PR target/83370
30393	* config/aarch64/aarch64.c (aarch64_class_max_nregs): Handle
30394	TAILCALL_ADDR_REGS.
30395	(aarch64_register_move_cost): Likewise.
30396	* config/aarch64/aarch64.h (reg_class): Rename CALLER_SAVE_REGS to
30397	TAILCALL_ADDR_REGS.
30398	(REG_CLASS_NAMES): Likewise.
30399	(REG_CLASS_CONTENTS): Rename CALLER_SAVE_REGS to
30400	TAILCALL_ADDR_REGS. Remove IP registers.
30401	* config/aarch64/aarch64.md (Ucs): Update register constraint.
30402
304032018-02-01  Richard Biener  <rguenther@suse.de>
30404
30405	* domwalk.h (dom_walker::dom_walker): Add additional constructor
30406	for specifying RPO order and allow NULL for that.
30407	* domwalk.c (dom_walker::dom_walker): Likewise.
30408	(dom_walker::walk): Handle NULL RPO order.
30409	* tree-into-ssa.c (rewrite_dom_walker): Do not walk dom children
30410	in RPO order.
30411	(rewrite_update_dom_walker): Likewise.
30412	(mark_def_dom_walker): Likewise.
30413
304142018-02-01  Richard Sandiford  <richard.sandiford@linaro.org>
30415
30416	* config/aarch64/aarch64-protos.h (aarch64_split_sve_subreg_move)
30417	(aarch64_maybe_expand_sve_subreg_move): Declare.
30418	* config/aarch64/aarch64.md (UNSPEC_REV_SUBREG): New unspec.
30419	* config/aarch64/predicates.md (aarch64_any_register_operand): New
30420	predicate.
30421	* config/aarch64/aarch64-sve.md (mov<mode>): Optimize subreg moves
30422	that are semantically a reverse operation.
30423	(*aarch64_sve_mov<mode>_subreg_be): New pattern.
30424	* config/aarch64/aarch64.c (aarch64_maybe_expand_sve_subreg_move):
30425	(aarch64_replace_reg_mode, aarch64_split_sve_subreg_move): New
30426	functions.
30427	(aarch64_can_change_mode_class): For big-endian, forbid changes
30428	between two SVE modes if they have different element sizes.
30429
304302018-02-01  Richard Sandiford  <richard.sandiford@linaro.org>
30431
30432	* config/aarch64/aarch64.c (aarch64_expand_sve_const_vector): Prefer
30433	the TImode handling for big-endian targets.
30434
304352018-02-01  Richard Sandiford  <richard.sandiford@linaro.org>
30436
30437	* config/aarch64/aarch64-sve.md (sve_ld1rq): Replace with...
30438	(*sve_ld1rq<Vesize>): ... this new pattern.  Handle all element sizes,
30439	not just bytes.
30440	* config/aarch64/aarch64.c (aarch64_expand_sve_widened_duplicate):
30441	Remove BSWAP handing for big-endian targets and use the form of
30442	LD1RQ appropariate for the mode.
30443
304442018-02-01  Richard Sandiford  <richard.sandiford@linaro.org>
30445
30446	* config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Handle
30447	all CONST_VECTOR_DUPLICATE_P vectors, not just those with a single
30448	duplicated element.
30449
304502018-02-01  Richard Sandiford  <richard.sandiford@linaro.org>
30451
30452	PR tearget/83845
30453	* config/aarch64/aarch64.c (aarch64_secondary_reload): Tighten
30454	check for operands that need to go through aarch64_sve_reload_be.
30455
304562018-02-01  Jakub Jelinek  <jakub@redhat.com>
30457
30458	PR tree-optimization/81661
30459	PR tree-optimization/84117
30460	* tree-eh.h (rewrite_to_non_trapping_overflow): Declare.
30461	* tree-eh.c: Include gimplify.h.
30462	(find_trapping_overflow, replace_trapping_overflow,
30463	rewrite_to_non_trapping_overflow): New functions.
30464	* tree-vect-loop.c: Include tree-eh.h.
30465	(vect_get_loop_niters): Use rewrite_to_non_trapping_overflow.
30466	* tree-data-ref.c: Include tree-eh.h.
30467	(get_segment_min_max): Use rewrite_to_non_trapping_overflow.
30468
304692018-01-31  Uros Bizjak  <ubizjak@gmail.com>
30470
30471	PR rtl-optimization/84123
30472	* combine.c (change_zero_ext): Check if hard register satisfies
30473	can_change_dest_mode before calling gen_lowpart_SUBREG.
30474
304752018-01-31  Vladimir Makarov  <vmakarov@redhat.com>
30476
30477	PR target/82444
30478	* ira.c (ira_init_register_move_cost): Remove assert.
30479
304802018-01-31  Eric Botcazou  <ebotcazou@adacore.com>
30481
30482	PR rtl-optimization/84071
30483	* doc/tm.texi.in (WORD_REGISTER_OPERATIONS): Add explicit case.
30484	* doc/tm.texi: Regenerate.
30485
304862018-01-31  Richard Biener  <rguenther@suse.de>
30487
30488	PR tree-optimization/84132
30489	* tree-data-ref.c (analyze_miv_subscript): Properly
30490	check whether evolution_function_is_affine_multivariate_p
30491	before calling gcd_of_steps_may_divide_p.
30492
304932018-01-31  Julia Koval  <julia.koval@intel.com>
30494
30495	PR target/83618
30496	* config/i386/i386.c (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
30497	* config/i386/i386.md (rdpid_rex64) New.
30498	(rdpid): Make 32bit only.
30499
305002018-01-29  Aldy Hernandez  <aldyh@redhat.com>
30501
30502	PR lto/84105
30503	* tree-pretty-print.c (dump_generic_node): Handle a TYPE_NAME with
30504	an IDENTIFIER_NODE for FUNCTION_TYPE's.
30505
305062018-01-31  Eric Botcazou  <ebotcazou@adacore.com>
30507
30508	Revert
30509	2018-01-12  Eric Botcazou  <ebotcazou@adacore.com>
30510
30511	* config/sparc/sparc.md (vxworks_load_got): Set the GOT register.
30512
305132018-01-31  Eric Botcazou  <ebotcazou@adacore.com>
30514
30515	PR rtl-optimization/84071
30516	* combine.c (record_dead_and_set_regs_1): Record the source unmodified
30517	for a paradoxical SUBREG on a WORD_REGISTER_OPERATIONS target.
30518
305192018-01-31  Claudiu Zissulescu  <claziss@synopsys.com>
30520
30521	* config/arc/arc.c (arc_handle_aux_attribute): New function.
30522	(arc_attribute_table): Add 'aux' attribute.
30523	(arc_in_small_data_p): Consider aux like variables.
30524	(arc_is_aux_reg_p): New function.
30525	(arc_asm_output_aligned_decl_local): Ignore 'aux' like variables.
30526	(arc_get_aux_arg): New function.
30527	(prepare_move_operands): Handle aux-register access.
30528	(arc_handle_aux_attribute): New function.
30529	* doc/extend.texi (ARC Variable attributes): Add subsection.
30530
305312018-01-31  Claudiu Zissulescu  <claziss@synopsys.com>
30532
30533	* config/arc/arc-protos.h (arc_is_uncached_mem_p): Function proto.
30534	* config/arc/arc.c (arc_handle_uncached_attribute): New function.
30535	(arc_attribute_table): Add 'uncached' attribute.
30536	(arc_print_operand): Print '.di' flag for uncached memory
30537	accesses.
30538	(arc_in_small_data_p): Do not consider for small data the uncached
30539	types.
30540	(arc_is_uncached_mem_p): New function.
30541	* config/arc/predicates.md (compact_store_memory_operand): Check
30542	for uncached memory accesses.
30543	(nonvol_nonimm_operand): Likewise.
30544	* doc/extend.texi (ARC Type Attribute): New subsection.
30545
305462018-01-31  Jakub Jelinek  <jakub@redhat.com>
30547
30548	PR c/84100
30549	* common.opt (falign-functions=, falign-jumps=, falign-labels=,
30550	falign-loops=): Add Optimization flag.
30551
305522018-01-30  Jeff Law  <law@redhat.com>
30553
30554	PR target/84064
30555	* i386.c (ix86_adjust_stack_and_probe_stack_clash): New argument
30556	INT_REGISTERS_SAVED.  Check it prior to calling
30557	get_scratch_register_on_entry.
30558	(ix86_adjust_stack_and_probe): Similarly.
30559	(ix86_emit_probe_stack_range): Similarly.
30560	(ix86_expand_prologue): Corresponding changes.
30561
305622018-01-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30563
30564	PR target/40411
30565	* config/sol2.h (STARTFILE_ARCH_SPEC): Use -std=c*,
30566	-std=iso9899:199409 instead of -pedantic to select values-Xc.o.
30567
305682018-01-30  Vladimir Makarov  <vmakarov@redhat.com>
30569
30570	PR target/84112
30571	* lra-constraints.c (curr_insn_transform): Process AND in the
30572	address.
30573
305742018-01-30  Jakub Jelinek  <jakub@redhat.com>
30575
30576	PR rtl-optimization/83986
30577	* sched-deps.c (sched_analyze_insn): For frame related insns, add anti
30578	dependence against last_pending_memory_flush in addition to
30579	pending_jump_insns.
30580
305812018-01-30  Alexandre Oliva  <aoliva@redhat.com>
30582
30583	PR tree-optimization/81611
30584	* tree-ssa-dom.c (simple_iv_increment_p): Skip intervening
30585	copies.
30586
305872018-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
30588
30589	PR target/83758
30590	* config/rs6000/rs6000.c (rs6000_internal_arg_pointer): Only return
30591	a reg rtx.
30592
305932018-01-30  Richard Biener  <rguenther@suse.de>
30594	    Jakub Jelinek  <jakub@redhat.com>
30595
30596	PR tree-optimization/84111
30597	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Skip
30598	inner loops added during recursion, as they don't have up-to-date
30599	SSA form.
30600
306012018-01-30  Jan Hubicka  <hubicka@ucw.cz>
30602
30603	PR ipa/81360
30604	* ipa-inline.c (can_inline_edge_p): Break out late tests to...
30605	(can_inline_edge_by_limits_p): ... here.
30606	(can_early_inline_edge_p, check_callers,
30607	update_caller_keys, update_callee_keys, recursive_inlining,
30608	add_new_edges_to_heap, speculation_useful_p,
30609	inline_small_functions,
30610	inline_small_functions, flatten_function,
30611	inline_to_all_callers_1): Update.
30612
306132018-01-30  Jan Hubicka  <hubicka@ucw.cz>
30614
30615	* profile-count.c (profile_count::combine_with_ipa_count): Handle
30616	zeros correctly.
30617
306182018-01-30  Richard Biener  <rguenther@suse.de>
30619
30620	PR tree-optimization/83008
30621	* tree-vect-slp.c (vect_analyze_slp_cost_1): Properly cost
30622	invariant and constant vector uses in stmts when they need
30623	more than one stmt.
30624
306252018-01-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30626
30627	PR bootstrap/84017
30628	* configure.ac (gcc_cv_as_shf_merge): Disable on Solaris 10/x86.
30629	* configure: Regenerate.
30630
306312018-01-30  Richard Sandiford  <richard.sandiford@linaro.org>
30632
30633	* config/aarch64/aarch64-sve.md (*vec_extract<mode><Vel>_0): New
30634	pattern.
30635	(*vec_extract<mode><Vel>_v128): Require a nonzero lane number.
30636	Use gen_rtx_REG rather than gen_lowpart.
30637
306382018-01-30  Richard Sandiford  <richard.sandiford@linaro.org>
30639
30640	* lra-constraints.c (match_reload): Use subreg_lowpart_offset
30641	rather than 0 when creating partial subregs.
30642
306432018-01-30  Richard Sandiford  <richard.sandiford@linaro.org>
30644
30645	* vec-perm-indices.c (vec_perm_indices::series_p): Give examples
30646	of usage.
30647
306482018-01-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
30649
30650	PR target/81550
30651	* config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): If DFmode
30652	and SFmode can go in Altivec registers (-mcpu=power7 for DFmode,
30653	-mcpu=power8 for SFmode) don't set the PRE_INCDEC or PRE_MODIFY
30654	flags.  This restores the settings used before the 2017-07-24.
30655	Turning off pre increment/decrement/modify allows IVOPTS to
30656	optimize DF/SF loops where the index is an int.
30657
306582018-01-29  Richard Biener  <rguenther@suse.de>
30659	    Kelvin Nilsen  <kelvin@gcc.gnu.org>
30660
30661	PR bootstrap/80867
30662	* tree-vect-stmts.c (vectorizable_call): Don't call
30663	targetm.vectorize_builtin_md_vectorized_function if callee is
30664	NULL.
30665
306662018-01-22  Carl Love  <cel@us.ibm.com>
30667
30668	* doc/extend.tex: Fix typo in second arg in
30669	__builtin_bcdadd_{lt|eq|gt|ov} and __builtin_bcdsub_{lt|eq|gt|ov}.
30670
306712018-01-29  Richard Biener  <rguenther@suse.de>
30672
30673	PR tree-optimization/84086
30674	* tree-ssanames.c: Include cfgloop.h and tree-scalar-evolution.h.
30675	(flush_ssaname_freelist): When SSA names were released reset
30676	the SCEV hash table.
30677
306782018-01-29  Richard Biener  <rguenther@suse.de>
30679
30680	PR tree-optimization/84057
30681	* tree-ssa-loop-ivcanon.c (unloop_loops): Deal with already
30682	removed paths when removing edges.
30683
306842018-01-27  H.J. Lu  <hongjiu.lu@intel.com>
30685
30686	* doc/invoke.texi: Replace -mfunction-return==@var{choice} with
30687	-mfunction-return=@var{choice}.
30688
306892018-01-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
30690
30691	PR diagnostic/84034
30692	* diagnostic-show-locus.c (get_line_width_without_trailing_whitespace):
30693	Handle CR like TAB.
30694	(layout::print_source_line): Likewise.
30695	(test_get_line_width_without_trailing_whitespace): Add test cases.
30696
306972018-01-27  Jakub Jelinek  <jakub@redhat.com>
30698
30699	PR middle-end/84040
30700	* sched-deps.c (sched_macro_fuse_insns): Return immediately for
30701	debug insns.
30702
307032018-01-26  Jim Wilson  <jimw@sifive.com>
30704
30705	* config/riscv/riscv.h (MAX_FIXED_MODE_SIZE): New.
30706
30707	* config/riscv/elf.h (LIB_SPEC): Don't include -lgloss when nosys.specs
30708	specified.
30709
307102018-01-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
30711
30712	* config/aarch64/aarch64.md: Add peepholes for CMP + SUB -> SUBS
30713	and CMP + SUB-immediate -> SUBS.
30714
307152018-01-26  Martin Sebor  <msebor@redhat.com>
30716
30717	PR tree-optimization/83896
30718	* tree-ssa-strlen.c (get_string_len): Rename...
30719	(get_string_cst_length): ...to this.  Return HOST_WIDE_INT.
30720	Avoid assuming length is constant.
30721	(handle_char_store): Use HOST_WIDE_INT for string length.
30722
307232018-01-26  Uros Bizjak  <ubizjak@gmail.com>
30724
30725	PR target/81763
30726	* config/i386/i386.md (*andndi3_doubleword): Add earlyclobber
30727	to (=&r,r,rm) alternative. Add (=r,0,rm) and (=r,r,0) alternatives.
30728
307292018-01-26  Richard Biener  <rguenther@suse.de>
30730
30731	PR rtl-optimization/84003
30732	* dse.c (record_store): Only record redundant stores when
30733	the earlier store aliases at least all accesses the later one does.
30734
307352018-01-26  Jakub Jelinek  <jakub@redhat.com>
30736
30737	PR rtl-optimization/83985
30738	* dce.c (deletable_insn_p): Return false for separate shrink wrapping
30739	REG_CFA_RESTORE insns.
30740	(delete_unmarked_insns): Don't ignore separate shrink wrapping
30741	REG_CFA_RESTORE insns here.
30742
30743	PR c/83989
30744	* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Don't
30745	use SSA_NAME_VAR as base for SSA_NAMEs with non-NULL SSA_NAME_VAR.
30746
307472018-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
30748
30749	* config/arc/arc-arch.h (arc_tune_attr): Add ARC_TUNE_CORE_3.
30750	* config/arc/arc.c (arc_sched_issue_rate): Use ARC_TUNE_... .
30751	(arc_init): Likewise.
30752	(arc_override_options): Likewise.
30753	(arc_file_start): Choose Tag_ARC_CPU_variation based on arc_tune
30754	value.
30755	(hwloop_fail): Use TARGET_DBNZ when we want to check for dbnz insn
30756	support.
30757	* config/arc/arc.h (TARGET_DBNZ): Define.
30758	* config/arc/arc.md (attr tune): Add core_3, use ARC_TUNE_... to
30759	properly set the tune attribute.
30760	(dbnz): Use TARGET_DBNZ guard.
30761	* config/arc/arc.opt (mtune): Add core3 option.
30762
307632018-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
30764
30765	* config/arc/arc.c (arc_delegitimize_address_0): Refactored to
30766	recognize new pic like addresses.
30767	(arc_delegitimize_address): Clean up.
30768
307692018-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
30770
30771	* config/arc/arc-arches.def: Option mrf16 valid for all
30772	architectures.
30773	* config/arc/arc-c.def (__ARC_RF16__): New predefined macro.
30774	* config/arc/arc-cpus.def (em_mini): New cpu with rf16 on.
30775	* config/arc/arc-options.def (FL_RF16): Add mrf16 option.
30776	* config/arc/arc-tables.opt: Regenerate.
30777	* config/arc/arc.c (arc_conditional_register_usage): Handle
30778	reduced register file case.
30779	(arc_file_start): Set must have build attributes.
30780	* config/arc/arc.h (MAX_ARC_PARM_REGS): Conditional define using
30781	mrf16 option value.
30782	* config/arc/arc.opt (mrf16): Add new option.
30783	* config/arc/elf.h (ATTRIBUTE_PCS): Define.
30784	* config/arc/genmultilib.awk: Handle new mrf16 option.
30785	* config/arc/linux.h (ATTRIBUTE_PCS): Define.
30786	* config/arc/t-multilib: Regenerate.
30787	* doc/invoke.texi (ARC Options): Document mrf16 option.
30788
307892018-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
30790
30791	* config/arc/arc-protos.h: Add arc_is_secure_call_p proto.
30792	* config/arc/arc.c (arc_handle_secure_attribute): New function.
30793	(arc_attribute_table): Add 'secure_call' attribute.
30794	(arc_print_operand): Print secure call operand.
30795	(arc_function_ok_for_sibcall): Don't optimize tail calls when
30796	secure.
30797	(arc_is_secure_call_p): New function.  * config/arc/arc.md
30798	(call_i): Add support for sjli instruction.
30799	(call_value_i): Likewise.
30800	* config/arc/constraints.md (Csc): New constraint.
30801
308022018-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
30803	    John Eric Martin  <John.Martin@emmicro-us.com>
30804
30805	* config/arc/arc-protos.h: Add arc_is_jli_call_p proto.
30806	* config/arc/arc.c (_arc_jli_section): New struct.
30807	(arc_jli_section): New type.
30808	(rc_jli_sections): New static variable.
30809	(arc_handle_jli_attribute): New function.
30810	(arc_attribute_table): Add jli_always and jli_fixed attribute.
30811	(arc_file_end): New function.
30812	(TARGET_ASM_FILE_END): Define.
30813	(arc_print_operand): Reuse 'S' letter for JLI output instruction.
30814	(arc_add_jli_section): New function.
30815	(jli_call_scan): Likewise.
30816	(arc_reorg): Call jli_call_scan.
30817	(arc_output_addsi): Remove 'S' from printing asm operand.
30818	(arc_is_jli_call_p): New function.
30819	* config/arc/arc.md (movqi_insn): Remove 'S' from printing asm
30820	operand.
30821	(movhi_insn): Likewise.
30822	(movsi_insn): Likewise.
30823	(movsi_set_cc_insn): Likewise.
30824	(loadqi_update): Likewise.
30825	(load_zeroextendqisi_update): Likewise.
30826	(load_signextendqisi_update): Likewise.
30827	(loadhi_update): Likewise.
30828	(load_zeroextendhisi_update): Likewise.
30829	(load_signextendhisi_update): Likewise.
30830	(loadsi_update): Likewise.
30831	(loadsf_update): Likewise.
30832	(movsicc_insn): Likewise.
30833	(bset_insn): Likewise.
30834	(bxor_insn): Likewise.
30835	(bclr_insn): Likewise.
30836	(bmsk_insn): Likewise.
30837	(bicsi3_insn): Likewise.
30838	(cmpsi_cc_c_insn): Likewise.
30839	(movsi_ne): Likewise.
30840	(movsi_cond_exec): Likewise.
30841	(clrsbsi2): Likewise.
30842	(norm_f): Likewise.
30843	(normw): Likewise.
30844	(swap): Likewise.
30845	(divaw): Likewise.
30846	(flag): Likewise.
30847	(sr): Likewise.
30848	(kflag): Likewise.
30849	(ffs): Likewise.
30850	(ffs_f): Likewise.
30851	(fls): Likewise.
30852	(call_i): Remove 'S' asm letter, add jli instruction.
30853	(call_value_i): Likewise.
30854	* config/arc/arc.op (mjli-always): New option.
30855	* config/arc/constraints.md (Cji): New constraint.
30856	* config/arc/fpx.md (addsf3_fpx): Remove 'S' from printing asm
30857	operand.
30858	(subsf3_fpx): Likewise.
30859	(mulsf3_fpx): Likewise.
30860	* config/arc/simdext.md (vendrec_insn): Remove 'S' from printing
30861	asm operand.
30862	* doc/extend.texi (ARC): Document 'jli-always' and 'jli-fixed'
30863	function attrbutes.
30864	* doc/invoke.texi (ARC): Document mjli-always option.
30865
308662018-01-26  Sebastian Perta  <sebastian.perta@renesas.com>
30867
30868	* config/rl78/rl78.c (rl78_addsi3_internal): If operand 2 is const
30869	avoid addition with 0 and use incw and decw where possible.
30870
308712018-01-26  Richard Biener  <rguenther@suse.de>
30872
30873	PR tree-optimization/81082
30874	* fold-const.c (fold_plusminus_mult_expr): Do not perform the
30875	association if it requires casting to unsigned.
30876	* match.pd ((A * C) +- (B * C) -> (A+-B)): New patterns derived
30877	from fold_plusminus_mult_expr to catch important cases late when
30878	range info is available.
30879
308802018-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30881
30882	* config/i386/sol2.h (USE_HIDDEN_LINKONCE): Remove.
30883	* configure.ac (hidden_linkonce): New test.
30884	* configure: Regenerate.
30885	* config.in: Regenerate.
30886
308872018-01-26  Julia Koval  <julia.koval@intel.com>
30888
30889	* config/i386/avx512bitalgintrin.h (_mm512_bitshuffle_epi64_mask,
30890	_mm512_mask_bitshuffle_epi64_mask, _mm256_bitshuffle_epi64_mask,
30891	_mm256_mask_bitshuffle_epi64_mask, _mm_bitshuffle_epi64_mask,
30892	_mm_mask_bitshuffle_epi64_mask): Fix type.
30893	* config/i386/i386-builtin-types.def (UHI_FTYPE_V2DI_V2DI_UHI,
30894	USI_FTYPE_V4DI_V4DI_USI): Remove.
30895	* config/i386/i386-builtin.def (__builtin_ia32_vpshufbitqmb512_mask,
30896	__builtin_ia32_vpshufbitqmb256_mask,
30897	__builtin_ia32_vpshufbitqmb128_mask): Fix types.
30898	* config/i386/i386.c (ix86_expand_args_builtin): Remove old types.
30899	* config/i386/sse.md (VI1_AVX512VLBW): Change types.
30900
309012018-01-26  Alan Modra  <amodra@gmail.com>
30902
30903	PR target/84033
30904	* config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Exclude
30905	UNSPEC_VBPERMQ.  Sort other unspecs.
30906
309072018-01-25  David Edelsohn  <dje.gcc@gmail.com>
30908
30909	* doc/invoke.texi (PowerPC Options): Document 'native' cpu type.
30910
309112018-01-25  Jan Hubicka  <hubicka@ucw.cz>
30912
30913	PR middle-end/83055
30914	* predict.c (drop_profile): Do not push/pop cfun; update also
30915	node->count.
30916	(handle_missing_profiles): Fix logic looking for zero profiles.
30917
309182018-01-25  Jakub Jelinek  <jakub@redhat.com>
30919
30920	PR middle-end/83977
30921	* ipa-fnsummary.c (compute_fn_summary): Clear can_change_signature
30922	on functions with #pragma omp declare simd or functions with simd
30923	attribute.
30924	* omp-simd-clone.c (expand_simd_clones): Revert 2018-01-24 change.
30925	* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
30926	Remove trailing \n from warning_at calls.
30927
309282018-01-25  Tom de Vries  <tom@codesourcery.com>
30929
30930	PR target/84028
30931	* config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call
30932	for neutered workers.
30933
309342018-01-24  Joseph Myers  <joseph@codesourcery.com>
30935
30936	PR target/68467
30937	* config/m68k/m68k.c (m68k_promote_function_mode): New function.
30938	(TARGET_PROMOTE_FUNCTION_MODE): New macro.
30939
309402018-01-24  Jeff Law  <law@redhat.com>
30941
30942	PR target/83994
30943	* i386.c (get_probe_interval): Move to earlier point.
30944	(ix86_compute_frame_layout): If -fstack-clash-protection and
30945	the frame is larger than the probe interval, then use pushes
30946	to save registers rather than reg->mem moves.
30947	(ix86_expand_prologue): Remove conditional for int_registers_saved
30948	assertion.
30949
309502018-01-24  Vladimir Makarov  <vmakarov@redhat.com>
30951
30952	PR target/84014
30953	* ira-build.c (setup_min_max_allocno_live_range_point): Set up
30954	min/max for never referenced object.
30955
309562018-01-24  Jakub Jelinek  <jakub@redhat.com>
30957
30958	PR middle-end/83977
30959	* tree.c (free_lang_data_in_decl): Don't clear DECL_ABSTRACT_ORIGIN
30960	here.
30961	* omp-low.c (create_omp_child_function): Remove "omp declare simd"
30962	attributes from DECL_ATTRIBUTES (decl) without affecting
30963	DECL_ATTRIBUTES (current_function_decl).
30964	* omp-simd-clone.c (expand_simd_clones): Ignore DECL_ARTIFICIAL
30965	functions with non-NULL DECL_ABSTRACT_ORIGIN.
30966
309672018-01-24  Richard Sandiford  <richard.sandiford@linaro.org>
30968
30969	PR tree-optimization/83979
30970	* fold-const.c (fold_comparison): Use constant_boolean_node
30971	instead of boolean_{true,false}_node.
30972
309732018-01-24  Jan Hubicka  <hubicka@ucw.cz>
30974
30975	* ipa-profile.c (ipa_propagate_frequency_1): Fix logic skipping calls
30976	with zero counts.
30977
309782018-01-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
30979
30980	* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
30981	Simplify the clause that sets the length attribute.
30982	(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
30983	(*sibcall_nonlocal_sysv<mode>): Clean up code block; simplify the
30984	clause that sets the length attribute.
30985	(*sibcall_value_nonlocal_sysv<mode>): Likewise.
30986
309872018-01-24  Tom de Vries  <tom@codesourcery.com>
30988
30989	PR target/83589
30990	* config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG_2): Define to 1.
30991	(nvptx_pc_set, nvptx_condjump_label): New function. Copy from jump.c.
30992	Add strict parameter.
30993	(prevent_branch_around_nothing): Insert dummy insn between branch to
30994	label and label with no ptx insn inbetween.
30995	* config/nvptx/nvptx.md (define_insn "fake_nop"): New insn.
30996
309972018-01-24  Tom de Vries  <tom@codesourcery.com>
30998
30999	PR target/81352
31000	* config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call
31001	for neutered threads in warp.
31002	* config/nvptx/nvptx.md (define_insn "exit"): New insn.
31003
310042018-01-24  Richard Biener  <rguenther@suse.de>
31005
31006	PR tree-optimization/83176
31007	* tree-chrec.c (chrec_fold_plus_1): Handle (signed T){(T) .. }
31008	operands.
31009
310102018-01-24  Richard Biener  <rguenther@suse.de>
31011
31012	PR tree-optimization/82819
31013	* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Avoid
31014	code generating pluses that are no-ops in the target precision.
31015
310162018-01-24  Richard Biener  <rguenther@suse.de>
31017
31018	PR middle-end/84000
31019	* tree-cfg.c (replace_loop_annotate): Handle annot_expr_parallel_kind.
31020
310212018-01-23  Jan Hubicka  <hubicka@ucw.cz>
31022
31023	* cfgcleanup.c (try_crossjump_to_edge): Use combine_with_count
31024	to merge probabilities.
31025	* predict.c (probably_never_executed): Also mark as cold functions
31026	with global 0 profile and guessed local profile.
31027	* profile-count.c (profile_probability::combine_with_count): New
31028	member function.
31029	* profile-count.h (profile_probability::operator*,
31030	profile_probability::operator*=, profile_probability::operator/,
31031	profile_probability::operator/=): Reduce precision to adjusted
31032	and set value to guessed on contradictory divisions.
31033	(profile_probability::combine_with_freq): Remove.
31034	(profile_probability::combine_wiht_count): Declare.
31035	(profile_count::force_nonzero):: Set to adjusted.
31036	(profile_count::probability_in):: Set quality to adjusted.
31037	* tree-ssa-tail-merge.c (replace_block_by): Use
31038	combine_with_count.
31039
310402018-01-23  Andrew Waterman  <andrew@sifive.com>
31041	    Jim Wilson  <jimw@sifive.com>
31042
31043	* config/riscv/riscv.c (riscv_stack_boundary): New.
31044	(riscv_option_override): Set riscv_stack_boundary.  Handle
31045	riscv_preferred_stack_boundary_arg.
31046	* config/riscv/riscv.h (MIN_STACK_BOUNDARY, ABI_STACK_BOUNDARY): New.
31047	(BIGGEST_ALIGNMENT): Set to STACK_BOUNDARY.
31048	(STACK_BOUNDARY): Set to riscv_stack_boundary.
31049	(RISCV_STACK_ALIGN): Use STACK_BOUNDARY.
31050	* config/riscv/riscv.opt (mpreferred-stack-boundary): New.
31051	* doc/invoke.tex (RISC-V Options): Add -mpreferred-stack-boundary.
31052
310532018-01-23  H.J. Lu  <hongjiu.lu@intel.com>
31054
31055	PR target/83905
31056	* config/i386/i386.c (ix86_expand_prologue): Use cost reference
31057	of struct ix86_frame.
31058	(ix86_expand_epilogue): Likewise.  Add a local variable for
31059	the reg_save_offset field in struct ix86_frame.
31060
310612018-01-23  Bin Cheng  <bin.cheng@arm.com>
31062
31063	PR tree-optimization/82604
31064	* tree-loop-distribution.c (enum partition_kind): New enum item
31065	PKIND_PARTIAL_MEMSET.
31066	(partition_builtin_p): Support above new enum item.
31067	(generate_code_for_partition): Ditto.
31068	(compute_access_range): Differentiate cases that equality can be
31069	proven at all loops, the innermost loops or no loops.
31070	(classify_builtin_st, classify_builtin_ldst): Adjust call to above
31071	function.  Set PKIND_PARTIAL_MEMSET for partition appropriately.
31072	(finalize_partitions, distribute_loop): Don't fuse partition of
31073	PKIND_PARTIAL_MEMSET kind when distributing 3-level loop nest.
31074	(prepare_perfect_loop_nest): Distribute 3-level loop nest only if
31075	parloop is enabled.
31076
310772018-01-23  Martin Liska  <mliska@suse.cz>
31078
31079	* predict.def (PRED_INDIR_CALL): Set probability to PROB_EVEN in
31080	order to ignore the predictor.
31081	(PRED_POLYMORPHIC_CALL): Likewise.
31082	(PRED_RECURSIVE_CALL): Likewise.
31083
310842018-01-23  Martin Liska  <mliska@suse.cz>
31085
31086	* tree-profile.c (tree_profiling): Print function header to
31087	aware reader which function we are working on.
31088	* value-prof.c (gimple_find_values_to_profile): Do not print
31089	not interesting value histograms.
31090
310912018-01-23  Martin Liska  <mliska@suse.cz>
31092
31093	* profile-count.h (enum profile_quality): Add
31094	profile_uninitialized as the first value. Do not number values
31095	as they are zero based.
31096	(profile_count::verify): Update sanity check.
31097	(profile_probability::verify): Likewise.
31098
310992018-01-23  Nathan Sidwell  <nathan@acm.org>
31100
31101	* doc/invoke.texi (ffor-scope): Deprecate.
31102
311032018-01-23  David Malcolm  <dmalcolm@redhat.com>
31104
31105	PR tree-optimization/83510
31106	* domwalk.c (set_all_edges_as_executable): New function.
31107	(dom_walker::dom_walker): Convert bool param
31108	"skip_unreachable_blocks" to enum reachability.  Move setup of
31109	edge flags to set_all_edges_as_executable and only do it when
31110	reachability is REACHABLE_BLOCKS.
31111	* domwalk.h (enum dom_walker::reachability): New enum.
31112	(dom_walker::dom_walker): Convert bool param
31113	"skip_unreachable_blocks" to enum reachability.
31114	(set_all_edges_as_executable): New decl.
31115	* graphite-scop-detection.c  (gather_bbs::gather_bbs): Convert
31116	from false for "skip_unreachable_blocks" to ALL_BLOCKS for
31117	"reachability".
31118	* tree-ssa-dom.c (dom_opt_dom_walker::dom_opt_dom_walker): Likewise,
31119	but converting true to REACHABLE_BLOCKS.
31120	* tree-ssa-sccvn.c (sccvn_dom_walker::sccvn_dom_walker): Likewise.
31121	* tree-vrp.c
31122	(check_array_bounds_dom_walker::check_array_bounds_dom_walker):
31123	Likewise, but converting it to REACHABLE_BLOCKS_PRESERVING_FLAGS.
31124	(vrp_dom_walker::vrp_dom_walker): Likewise, but converting it to
31125	REACHABLE_BLOCKS.
31126	(vrp_prop::vrp_finalize): Call set_all_edges_as_executable
31127	if check_all_array_refs will be called.
31128
311292018-01-23  David Malcolm  <dmalcolm@redhat.com>
31130
31131	* tree.c (selftest::test_location_wrappers): Add more test
31132	coverage.
31133
311342018-01-23  David Malcolm  <dmalcolm@redhat.com>
31135
31136	* sbitmap.c (selftest::test_set_range): Fix memory leaks.
31137	(selftest::test_bit_in_range): Likewise.
31138
311392018-01-23  Richard Sandiford  <richard.sandiford@linaro.org>
31140
31141	PR testsuite/83888
31142	* doc/sourcebuild.texi (vect_float): Say that the selector
31143	only describes the situation when -funsafe-math-optimizations is on.
31144	(vect_float_strict): Document.
31145
311462018-01-23  Richard Sandiford  <richard.sandiford@linaro.org>
31147
31148	PR tree-optimization/83965
31149	* tree-vect-patterns.c (vect_reassociating_reduction_p): New function.
31150	(vect_recog_dot_prod_pattern, vect_recog_sad_pattern): Use it
31151	instead of checking only for a reduction.
31152	(vect_recog_widen_sum_pattern): Likewise.
31153
311542018-01-23  Jan Hubicka  <hubicka@ucw.cz>
31155
31156	* predict.c (probably_never_executed): Only use precise profile info.
31157	(compute_function_frequency): Skip after inlining hack since we now
31158	have quality checking.
31159
311602018-01-23  Jan Hubicka  <hubicka@ucw.cz>
31161
31162	* profile-count.h (profile_probability::very_unlikely,
31163	profile_probability::unlikely, profile_probability::even): Set
31164	precision to guessed.
31165
311662018-01-23  Richard Biener  <rguenther@suse.de>
31167
31168	PR tree-optimization/83963
31169	* graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
31170	Properly terminate dominator walk when crossing the exit edge not
31171	when visiting its source block.
31172
311732018-01-23  Jakub Jelinek  <jakub@redhat.com>
31174
31175	PR c++/83918
31176	* tree.c (maybe_wrap_with_location): Use NON_LVALUE_EXPR rather than
31177	VIEW_CONVERT_EXPR to wrap CONST_DECLs.
31178
311792018-01-22  Jakub Jelinek  <jakub@redhat.com>
31180
31181	PR tree-optimization/83957
31182	* omp-expand.c (expand_omp_for_generic): Ignore virtual PHIs.  Remove
31183	semicolon after for body surrounded by braces.
31184
31185	PR tree-optimization/83081
31186	* profile-count.h (profile_probability::split): New method.
31187	* dojump.c (do_jump_1) <case TRUTH_ANDIF_EXPR, case TRUTH_ORIF_EXPR>:
31188	Use profile_probability::split.
31189	(do_compare_rtx_and_jump): Fix adjustment of probabilities
31190	when splitting a single conditional jump into 2.
31191
311922018-01-22  David Malcolm  <dmalcolm@redhat.com>
31193
31194	PR tree-optimization/69452
31195	* tree-ssa-loop-im.c (class move_computations_dom_walker): Remove
31196	decl.
31197
311982018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31199
31200	* config/rl78/rl78-expand.md (bswaphi2): New define_expand.
31201	* config/rl78/rl78-virt.md (*bswaphi2_virt): New define_insn.
31202	* config/rl78/rl78-real.md (*bswaphi2_real): New define_insn.
31203
312042018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31205
31206	* config/rl78/rl78-protos.h (rl78_split_movdi): New function
31207	declaration.
31208	* config/rl78/rl78.md (movdi): New define_expand.
31209	* config/rl78/rl78.c (rl78_split_movdi): New function.
31210
312112018-01-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
31212
31213	PR target/83862
31214	* config/rs6000/rs6000-protos.h (rs6000_split_signbit): Delete,
31215	no longer used.
31216	* config/rs6000/rs6000.c (rs6000_split_signbit): Likewise.
31217	* config/rs6000/rs6000.md (signbit<mode>2): Change code for IEEE
31218	128-bit to produce an UNSPEC move to get the double word with the
31219	signbit and then a shift directly to do signbit.
31220	(signbit<mode>2_dm): Replace old IEEE 128-bit signbit
31221	implementation with a new version that just does either a direct
31222	move or a regular move.  Move memory interface to separate insns.
31223	Move insns so they are next to the expander.
31224	(signbit<mode>2_dm_mem_be): New combiner insns to combine load
31225	with signbit move.  Split big and little endian case.
31226	(signbit<mode>2_dm_mem_le): Likewise.
31227	(signbit<mode>2_dm_<su>ext): Delete, no longer used.
31228	(signbit<mode>2_dm2): Likewise.
31229
312302018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31231
31232	* config/rl78/rl78.md (anddi3): New define_expand.
31233
312342018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31235
31236	* config/rl78/rl78.md (umindi3): New define_expand.
31237
312382018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31239
31240	* config/rl78/rl78.md (smindi3): New define_expand.
31241
312422018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31243
31244	* config/rl78/rl78.md (smaxdi3): New define_expand.
31245
312462018-01-22  Carl Love  <cel@us.ibm.com>
31247
31248	* config/rs6000/rs6000-builtin.def (ST_ELEMREV_V1TI, LD_ELEMREV_V1TI,
31249	LVX_V1TI): Add macro expansion.
31250	* config/rs6000/rs6000-c.c (altivec_builtin_types): Add argument
31251	definitions for VSX_BUILTIN_VEC_XST_BE, VSX_BUILTIN_VEC_ST,
31252	VSX_BUILTIN_VEC_XL, LD_ELEMREV_V1TI builtins.
31253	* config/rs6000/rs6000-p8swap.c (insn_is_swappable_p);
31254	Change check to determine if the instruction is a byte reversing
31255	entry.  Fix typo in comment.
31256	* config/rs6000/rs6000.c (altivec_expand_builtin): Add case entry
31257	for VSX_BUILTIN_ST_ELEMREV_V1TI and VSX_BUILTIN_LD_ELEMREV_V1TI.
31258	Add def_builtin calls for new builtins.
31259	* config/rs6000/vsx.md (vsx_st_elemrev_v1ti, vsx_ld_elemrev_v1ti):
31260	Add define_insn expansion.
31261
312622018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31263
31264	* config/rl78/rl78.md (umaxdi3): New define_expand.
31265
312662018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
31267
31268	* config/rl78/rl78.c (rl78_note_reg_set): Fixed dead reg check
31269	for non-QImode registers.
31270
312712018-01-22  Richard Biener  <rguenther@suse.de>
31272
31273	PR tree-optimization/83963
31274	* graphite-scop-detection.c (scop_detection::get_sese): Delay
31275	including the loop exit block.
31276	(scop_detection::merge_sese): Likewise.
31277	(scop_detection::add_scop): Do it here instead.
31278
312792018-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31280
31281	* doc/sourcebuild.texi (arm_softfloat): Document.
31282
312832018-01-21  John David Anglin  <danglin@gcc.gnu.org>
31284
31285	PR gcc/77734
31286	* config/pa/pa.c (pa_function_ok_for_sibcall): Use
31287	targetm.binds_local_p instead of TREE_PUBLIC to check local binding.
31288	Move TARGET_PORTABLE_RUNTIME check after TARGET_64BIT check.
31289
312902018-01-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
31291	    David Edelsohn  <dje.gcc@gmail.com>
31292
31293	PR target/83946
31294	* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
31295	Change "crset eq" to "crset 2".
31296	(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
31297	(*call_indirect_aix<mode>_nospec): Likewise.
31298	(*call_value_indirect_aix<mode>_nospec): Likewise.
31299	(*call_indirect_elfv2<mode>_nospec): Likewise.
31300	(*call_value_indirect_elfv2<mode>_nospec): Likewise.
31301	(*sibcall_nonlocal_sysv<mode>): Change "crset eq" to "crset 2";
31302	change assembly output from . to $.
31303	(*sibcall_value_nonlocal_sysv<mode>): Likewise.
31304	(indirect_jump<mode>_nospec): Change assembly output from . to $.
31305	(*tablejump<mode>_internal1_nospec): Likewise.
31306
313072018-01-21  Oleg Endo  <olegendo@gcc.gnu.org>
31308
31309	PR target/80870
31310	* config/sh/sh_optimize_sett_clrt.cc:
31311	Use INCLUDE_ALGORITHM and INCLUDE_VECTOR instead of direct includes.
31312
313132018-01-20  Richard Sandiford  <richard.sandiford@linaro.org>
31314
31315	PR tree-optimization/83940
31316	* tree-vect-stmts.c (vect_truncate_gather_scatter_offset): Set
31317	offset_dt to vect_constant_def rather than vect_unknown_def_type.
31318	(vect_check_load_store_mask): Add a mask_dt_out parameter and
31319	use it to pass back the definition type.
31320	(vect_check_store_rhs): Likewise rhs_dt_out.
31321	(vect_build_gather_load_calls): Add a mask_dt argument and use
31322	it instead of a call to vect_is_simple_use.
31323	(vectorizable_store): Update calls to vect_check_load_store_mask
31324	and vect_check_store_rhs.  Use the dt returned by the latter instead
31325	of scatter_src_dt.  Use the cached mask_dt and gs_info.offset_dt
31326	instead of calls to vect_is_simple_use.  Pass the scalar rather
31327	than the vector operand to vect_is_simple_use when handling
31328	second and subsequent copies of an rhs value.
31329	(vectorizable_load): Update calls to vect_check_load_store_mask
31330	and vect_build_gather_load_calls.  Use the cached mask_dt and
31331	gs_info.offset_dt instead of calls to vect_is_simple_use.
31332
313332018-01-20  Jakub Jelinek  <jakub@redhat.com>
31334
31335	PR middle-end/83945
31336	* tree-emutls.c: Include gimplify.h.
31337	(lower_emutls_2): New function.
31338	(lower_emutls_1): If ADDR_EXPR is a gimple invariant and walk_tree
31339	with lower_emutls_2 callback finds some TLS decl in it, unshare_expr
31340	it before further processing.
31341
31342	PR target/83930
31343	* simplify-rtx.c (simplify_binary_operation_1) <case UMOD>: Use
31344	UINTVAL (trueop1) instead of INTVAL (op1).
31345
313462018-01-19  Jakub Jelinek  <jakub@redhat.com>
31347
31348	PR debug/81570
31349	PR debug/83728
31350	* dwarf2cfi.c (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define to
31351	INCOMING_FRAME_SP_OFFSET if not defined.
31352	(scan_trace): Add ENTRY argument.  If true and
31353	DEFAULT_INCOMING_FRAME_SP_OFFSET != INCOMING_FRAME_SP_OFFSET,
31354	emit a note to adjust the CFA offset.
31355	(create_cfi_notes): Adjust scan_trace callers.
31356	(create_cie_data): Use DEFAULT_INCOMING_FRAME_SP_OFFSET rather than
31357	INCOMING_FRAME_SP_OFFSET in the CIE.
31358	* config/i386/i386.h (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define.
31359	* config/stormy16/stormy16.h (DEFAULT_INCOMING_FRAME_SP_OFFSET):
31360	Likewise.
31361	* doc/tm.texi.in (DEFAULT_INCOMING_FRAME_SP_OFFSET): Document.
31362	* doc/tm.texi: Regenerated.
31363
313642018-01-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
31365
31366	PR rtl-optimization/83147
31367	* lra-constraints.c (remove_inheritance_pseudos): Use
31368	lra_substitute_pseudo_within_insn.
31369
313702018-01-19  Tom de Vries  <tom@codesourcery.com>
31371	    Cesar Philippidis  <cesar@codesourcery.com>
31372
31373	PR target/83920
31374	* config/nvptx/nvptx.c (nvptx_single): Fix jit workaround.
31375
313762018-01-19  Cesar Philippidis  <cesar@codesourcery.com>
31377
31378	PR target/83790
31379	* config/nvptx/nvptx.c (output_init_frag): Don't use generic address
31380	spaces for function labels.
31381
313822018-01-19  Martin Liska  <mliska@suse.cz>
31383
31384	* predict.def (PRED_LOOP_EXIT): Change from 85 to 89.
31385	(PRED_LOOP_EXIT_WITH_RECURSION): Change from 72 to 78.
31386	(PRED_LOOP_EXTRA_EXIT): Change from 83 to 67.
31387	(PRED_OPCODE_POSITIVE): Change from 64 to 59.
31388	(PRED_TREE_OPCODE_POSITIVE): Change from 64 to 59.
31389	(PRED_CONST_RETURN): Change from 69 to 65.
31390	(PRED_NULL_RETURN): Change from 91 to 71.
31391	(PRED_LOOP_IV_COMPARE_GUESS): Change from 98 to 64.
31392	(PRED_LOOP_GUARD): Change from 66 to 73.
31393
313942018-01-19  Martin Liska  <mliska@suse.cz>
31395
31396	* predict.c (predict_insn_def): Add new assert.
31397	(struct branch_predictor): Change type to signed integer.
31398	(test_prediction_value_range): Amend test to cover
31399	PROB_UNINITIALIZED.
31400	* predict.def (PRED_LOOP_ITERATIONS): Use the new constant.
31401	(PRED_LOOP_ITERATIONS_GUESSED): Likewise.
31402	(PRED_LOOP_ITERATIONS_MAX): Likewise.
31403	(PRED_LOOP_IV_COMPARE): Likewise.
31404	* predict.h (PROB_UNINITIALIZED): Define new constant.
31405
314062018-01-19  Martin Liska  <mliska@suse.cz>
31407
31408	* predict.c (dump_prediction): Add new format for
31409	analyze_brprob.py script which is enabled with -details
31410	suboption.
31411	* profile-count.h (precise_p): New function.
31412
314132018-01-19  Richard Sandiford  <richard.sandiford@linaro.org>
31414
31415	PR tree-optimization/83922
31416	* tree-vect-loop.c (vect_verify_full_masking): Return false if
31417	there are no statements that need masking.
31418	(vect_active_double_reduction_p): New function.
31419	(vect_analyze_loop_operations): Use it when handling phis that
31420	are not in the loop header.
31421
314222018-01-19  Richard Sandiford  <richard.sandiford@linaro.org>
31423
31424	PR tree-optimization/83914
31425	* tree-vect-loop.c (vectorizable_induction): Don't convert
31426	init_expr or apply the peeling adjustment for inductions
31427	that are nested within the vectorized loop.
31428
314292018-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31430
31431	* config/arm/thumb2.md (*thumb2_negsi2_short): Use RSB mnemonic
31432	instead of NEG.
31433
314342018-01-18  Jakub Jelinek  <jakub@redhat.com>
31435
31436	PR sanitizer/81715
31437	PR testsuite/83882
31438	* function.h (gimplify_parameters): Add gimple_seq * argument.
31439	* function.c: Include gimple.h and options.h.
31440	(gimplify_parameters): Add cleanup argument, add CLOBBER stmts
31441	for the added local temporaries if needed.
31442	* gimplify.c (gimplify_body): Adjust gimplify_parameters caller,
31443	if there are any parameter cleanups, wrap whole body into a
31444	try/finally with the cleanups.
31445
314462018-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
31447
31448	PR target/82964
31449	* config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
31450	Use GET_MODE_CLASS for scalar floating point.
31451
314522018-01-18  Jan Hubicka  <hubicka@ucw.cz>
31453
31454	PR ipa/82256
31455	patch by PaX Team
31456	* cgraphclones.c (cgraph_node::create_version_clone_with_body):
31457	Fix call of call_cgraph_insertion_hooks.
31458
314592018-01-18  Martin Sebor  <msebor@redhat.com>
31460
31461	* doc/invoke.texi (-Wclass-memaccess): Tweak text.
31462
314632018-01-18  Jan Hubicka  <hubicka@ucw.cz>
31464
31465	PR ipa/83619
31466	* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Update edge
31467	frequencies.
31468
314692018-01-18  Boris Kolpackov  <boris@codesynthesis.com>
31470
31471	PR other/70268
31472	* common.opt: (-ffile-prefix-map): New option.
31473	* opts.c (common_handle_option): Defer it.
31474	* opts-global.c (handle_common_deferred_options): Handle it.
31475	* debug.h (remap_debug_filename, add_debug_prefix_map): Move to...
31476	* file-prefix-map.h: New file.
31477	(remap_debug_filename, add_debug_prefix_map): ...here.
31478	(add_macro_prefix_map, add_file_prefix_map, remap_macro_filename): New.
31479	* final.c (debug_prefix_map, add_debug_prefix_map
31480	remap_debug_filename): Move to...
31481	* file-prefix-map.c: New file.
31482	(file_prefix_map, add_prefix_map, remap_filename) ...here and rename,
31483	generalize, get rid of alloca(), use strrchr() instead of strchr().
31484	(add_macro_prefix_map, add_debug_prefix_map, add_file_prefix_map):
31485	Implement in terms of add_prefix_map().
31486	(remap_macro_filename, remap_debug_filename): Implement in term of
31487	remap_filename().
31488	* Makefile.in (OBJS, PLUGIN_HEADERS): Add new files.
31489	* builtins.c (fold_builtin_FILE): Call remap_macro_filename().
31490	* dbxout.c: Include file-prefix-map.h.
31491	* varasm.c: Likewise.
31492	* vmsdbgout.c: Likewise.
31493	* xcoffout.c: Likewise.
31494	* dwarf2out.c: Likewise plus omit new options from DW_AT_producer.
31495	* doc/cppopts.texi (-fmacro-prefix-map): Document.
31496	* doc/invoke.texi (-ffile-prefix-map): Document.
31497	(-fdebug-prefix-map): Update description.
31498
314992018-01-18  Martin Liska  <mliska@suse.cz>
31500
31501	* config/i386/i386.c (indirect_thunk_name): Document that also
31502	lfence is emitted.
31503	(output_indirect_thunk): Document why both instructions
31504	(pause and lfence) are generated.
31505
315062018-01-18  Richard Biener  <rguenther@suse.de>
31507
31508	PR tree-optimization/83887
31509	* graphite-scop-detection.c
31510	(scop_detection::get_nearest_dom_with_single_entry): Remove.
31511	(scop_detection::get_nearest_pdom_with_single_exit): Likewise.
31512	(scop_detection::merge_sese): Re-implement with a flood-fill
31513	algorithm that properly finds a SESE region if it exists.
31514
315152018-01-18  Jakub Jelinek  <jakub@redhat.com>
31516
31517	PR c/61240
31518	* match.pd ((P + A) - P, P - (P + A), (P + A) - (P + B)): For
31519	pointer_diff optimizations use view_convert instead of convert.
31520
315212018-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
31522
31523	* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
31524	Generate different code for -mno-speculate-indirect-jumps.
31525	(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
31526	(*call_indirect_aix<mode>): Disable for
31527	-mno-speculate-indirect-jumps.
31528	(*call_indirect_aix<mode>_nospec): New define_insn.
31529	(*call_value_indirect_aix<mode>): Disable for
31530	-mno-speculate-indirect-jumps.
31531	(*call_value_indirect_aix<mode>_nospec): New define_insn.
31532	(*sibcall_nonlocal_sysv<mode>): Generate different code for
31533	-mno-speculate-indirect-jumps.
31534	(*sibcall_value_nonlocal_sysv<mode>): Likewise.
31535
315362018-01-17  Michael Meissner  <meissner@linux.vnet.ibm.com>
31537
31538	* config/rs6000/rs6000.c (rs6000_emit_move): If we load or store a
31539	long double type, set the flags for noting the default long double
31540	type, even if we don't pass or return a long double type.
31541
315422018-01-17  Jan Hubicka  <hubicka@ucw.cz>
31543
31544	PR ipa/83051
31545	* ipa-inline.c (flatten_function): Do not overwrite final inlining
31546	failure.
31547
315482018-01-17  Will Schmidt  <will_schmidt@vnet.ibm.com>
31549
31550	* config/rs6000/rs6000.c (rs6000_gimple_builtin): Add gimple folding
31551	support for merge[hl].
31552	(fold_mergehl_helper): New helper function.
31553	(tree-vector-builder.h): New #include for tree_vector_builder usage.
31554	* config/rs6000/altivec.md (altivec_vmrghw_direct): Add xxmrghw insn.
31555	(altivec_vmrglw_direct): Add xxmrglw insn.
31556
315572018-01-17  Andrew Waterman  <andrew@sifive.com>
31558
31559	* config/riscv/riscv.c (riscv_conditional_register_usage): If
31560	UNITS_PER_FP_ARG is 0, set call_used_regs to 1 for all FP regs.
31561
315622018-01-17  David Malcolm  <dmalcolm@redhat.com>
31563
31564	PR lto/83121
31565	* ipa-devirt.c (add_type_duplicate): When comparing memory layout,
31566	call the lto_location_cache before reading the
31567	DECL_SOURCE_LOCATION of the types.
31568
315692018-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
31570	    Richard Sandiford  <richard.sandiford@linaro.org>
31571
31572	* config/aarch64/aarch64.md (movti_aarch64): Use Uti constraint.
31573	* config/aarch64/aarch64.c (aarch64_mov128_immediate): New function.
31574	(aarch64_legitimate_constant_p): Just support CONST_DOUBLE
31575	SF/DF/TF mode to avoid creating illegal CONST_WIDE_INT immediates.
31576	* config/aarch64/aarch64-protos.h (aarch64_mov128_immediate):
31577	Add declaration.
31578	* config/aarch64/constraints.md (aarch64_movti_operand):
31579	Limit immediates.
31580	* config/aarch64/predicates.md (Uti): Add new constraint.
31581
315822018-01-17  Carl Love  <cel@us.ibm.com>
31583
31584	* config/rs6000/vsx.md (define_expand xl_len_r,
31585	define_expand stxvl, define_expand *stxvl): Add match_dup argument.
31586	(define_insn): Add, match_dup 1 argument to define_insn stxvll and
31587	lxvll.
31588	(define_expand, define_insn): Move the shift left from	the
31589	define_insn to the define_expand for lxvl and stxvl instructions.
31590	* config/rs6000/rs6000-builtin.def (BU_P9V_64BIT_VSX_2): Change LXVL
31591	and XL_LEN_R definitions to PURE.
31592
315932018-01-17  Uros Bizjak  <ubizjak@gmail.com>
31594
31595	* config/i386/i386.c (indirect_thunk_name): Declare regno
31596	as unsigned int.  Compare regno with INVALID_REGNUM.
31597	(output_indirect_thunk): Ditto.
31598	(output_indirect_thunk_function): Ditto.
31599	(ix86_code_end): Declare regno as unsigned int.  Use INVALID_REGNUM
31600	in the call to output_indirect_thunk_function.
31601
316022018-01-17  Richard Sandiford  <richard.sandiford@linaro.org>
31603
31604	PR middle-end/83884
31605	* expr.c (expand_expr_real_1): Use the size of GET_MODE (op0)
31606	rather than the size of inner_type to determine the stack slot size
31607	when handling VIEW_CONVERT_EXPRs on strict-alignment targets.
31608
316092018-01-16  Sebastian Peryt  <sebastian.peryt@intel.com>
31610
31611	PR target/83546
31612	* config/i386/i386.c (ix86_option_override_internal): Add PTA_RDRND
31613	to PTA_SILVERMONT.
31614
316152018-01-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
31616
31617	* config.gcc (powerpc*-linux*-*): Add support for 64-bit little
31618	endian Linux systems to optionally enable multilibs for selecting
31619	the long double type if the user configured an explicit type.
31620	* config/rs6000/rs6000.h (TARGET_IEEEQUAD_MULTILIB): Indicate we
31621	have no long double multilibs if not defined.
31622	* config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
31623	warn if the user used -mabi={ieee,ibm}longdouble and we built
31624	multilibs for long double.
31625	* config/rs6000/linux64.h (MULTILIB_DEFAULTS_IEEE): Define as the
31626	appropriate multilib option.
31627	(MULTILIB_DEFAULTS): Add MULTILIB_DEFAULTS_IEEE to the default
31628	multilib options.
31629	* config/rs6000/t-ldouble-linux64le-ibm: New configuration files
31630	for building long double multilibs.
31631	* config/rs6000/t-ldouble-linux64le-ieee: Likewise.
31632
316332018-01-16  John David Anglin  <danglin@gcc.gnu.org>
31634
31635	* config.gcc (hppa*-*-linux*): Change callee copies ABI to caller
31636	copies.
31637
31638	* config/pa.h (MALLOC_ABI_ALIGNMENT): Set 32-bit alignment default to
31639	64 bits.
31640	* config/pa/pa32-linux.h (MALLOC_ABI_ALIGNMENT): Set alignment to
31641	128 bits.
31642
31643	* config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Cleanup type and mode
31644	variables.
31645
31646	* config/pa/pa.c (pa_function_arg_size): Apply CEIL to GET_MODE_SIZE
31647	return value.
31648
316492018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
31650
31651	* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For an
31652	ADDR_EXPR, do not count the offset of a COMPONENT_REF twice.
31653
316542018-01-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
31655
31656	* config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Generate
31657	different rtl trees depending on TARGET_64BIT.
31658	(rs6000_gen_lvx): Likewise.
31659
316602018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
31661
31662	* config/visium/visium.md (nop): Tweak comment.
31663	(hazard_nop): Likewise.
31664
316652018-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
31666
31667	* config/rs6000/rs6000.c (rs6000_opt_vars): Add entry for
31668	-mspeculate-indirect-jumps.
31669	* config/rs6000/rs6000.md (*call_indirect_elfv2<mode>): Disable
31670	for -mno-speculate-indirect-jumps.
31671	(*call_indirect_elfv2<mode>_nospec): New define_insn.
31672	(*call_value_indirect_elfv2<mode>): Disable for
31673	-mno-speculate-indirect-jumps.
31674	(*call_value_indirect_elfv2<mode>_nospec): New define_insn.
31675	(indirect_jump): Emit different RTL for
31676	-mno-speculate-indirect-jumps.
31677	(*indirect_jump<mode>): Disable for
31678	-mno-speculate-indirect-jumps.
31679	(*indirect_jump<mode>_nospec): New define_insn.
31680	(tablejump): Emit different RTL for
31681	-mno-speculate-indirect-jumps.
31682	(tablejumpsi): Disable for -mno-speculate-indirect-jumps.
31683	(tablejumpsi_nospec): New define_expand.
31684	(tablejumpdi): Disable for -mno-speculate-indirect-jumps.
31685	(tablejumpdi_nospec): New define_expand.
31686	(*tablejump<mode>_internal1): Disable for
31687	-mno-speculate-indirect-jumps.
31688	(*tablejump<mode>_internal1_nospec): New define_insn.
31689	* config/rs6000/rs6000.opt (mspeculate-indirect-jumps): New
31690	option.
31691
316922018-01-16  Artyom Skrobov tyomitch@gmail.com
31693
31694	* caller-save.c (insert_save): Drop unnecessary parameter.  All
31695	callers updated.
31696
316972018-01-16  Jakub Jelinek  <jakub@redhat.com>
31698	    Richard Biener  <rguenth@suse.de>
31699
31700	PR libgomp/83590
31701	* gimplify.c (gimplify_one_sizepos): For is_gimple_constant (expr)
31702	return early, inline manually is_gimple_sizepos.  Make sure if we
31703	call gimplify_expr we don't end up with a gimple constant.
31704	* tree.c (variably_modified_type_p): Don't return true for
31705	is_gimple_constant (_t).  Inline manually is_gimple_sizepos.
31706	* gimplify.h (is_gimple_sizepos): Remove.
31707
317082018-01-16  Richard Sandiford  <richard.sandiford@linaro.org>
31709
31710	PR tree-optimization/83857
31711	* tree-vect-loop.c (vect_analyze_loop_operations): Don't call
31712	vectorizable_live_operation for pure SLP statements.
31713	(vectorizable_live_operation): Handle PHIs.
31714
317152018-01-16  Richard Biener  <rguenther@suse.de>
31716
31717	PR tree-optimization/83867
31718	* tree-vect-stmts.c (vect_transform_stmt): Precompute
31719	nested_in_vect_loop_p since the scalar stmt may get invalidated.
31720
317212018-01-16  Jakub Jelinek  <jakub@redhat.com>
31722
31723	PR c/83844
31724	* stor-layout.c (handle_warn_if_not_align): Use byte_position and
31725	multiple_of_p instead of unchecked tree_to_uhwi and UHWI check.
31726	If off is not INTEGER_CST, issue a may not be aligned warning
31727	rather than isn't aligned.  Use isn%'t rather than isn't.
31728	* fold-const.c (multiple_of_p) <case BIT_AND_EXPR>: Don't fall through
31729	into MULT_EXPR.
31730	<case MULT_EXPR>: Improve the case when bottom and one of the
31731	MULT_EXPR operands are INTEGER_CSTs and bottom is multiple of that
31732	operand, in that case check if the other operand is multiple of
31733	bottom divided by the INTEGER_CST operand.
31734
317352018-01-16  Richard Sandiford  <richard.sandiford@linaro.org>
31736
31737	PR target/83858
31738	* config/pa/pa.h (FUNCTION_ARG_SIZE): Delete.
31739	* config/pa/pa-protos.h (pa_function_arg_size): Declare.
31740	* config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Use
31741	pa_function_arg_size instead of FUNCTION_ARG_SIZE.
31742	* config/pa/pa.c (pa_function_arg_advance): Likewise.
31743	(pa_function_arg, pa_arg_partial_bytes): Likewise.
31744	(pa_function_arg_size): New function.
31745
317462018-01-16  Richard Sandiford  <richard.sandiford@linaro.org>
31747
31748	* fold-const.c (fold_ternary_loc): Construct the vec_perm_indices
31749	in a separate statement.
31750
317512018-01-16  Richard Sandiford  <richard.sandiford@linaro.org>
31752
31753	PR tree-optimization/83847
31754	* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Don't
31755	group gathers and scatters.
31756
317572018-01-16  Jakub Jelinek  <jakub@redhat.com>
31758
31759	PR rtl-optimization/86620
31760	* params.def (max-sched-ready-insns): Bump minimum value to 1.
31761
31762	PR rtl-optimization/83213
31763	* recog.c (peep2_attempt): Copy over CROSSING_JUMP_P from peepinsn
31764	to last if both are JUMP_INSNs.
31765
31766	PR tree-optimization/83843
31767	* gimple-ssa-store-merging.c
31768	(imm_store_chain_info::output_merged_store): Handle bit_not_p on
31769	store_immediate_info for bswap/nop orig_stores.
31770
317712018-01-15  Andrew Waterman  <andrew@sifive.com>
31772
31773	* config/riscv/riscv.c (riscv_rtx_costs) <MULT>: Increase cost if
31774	!TARGET_MUL.
31775	<UDIV>: Increase cost if !TARGET_DIV.
31776
317772018-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
31778
31779	* config/rs6000/rs6000.md (define_attr "type"): Remove delayed_cr.
31780	(define_attr "cr_logical_3op"): New.
31781	(cceq_ior_compare): Adjust.
31782	(cceq_ior_compare_complement): Adjust.
31783	(*cceq_rev_compare): Adjust.
31784	* config/rs6000/rs6000.c (rs6000_adjust_cost): Adjust.
31785	(is_cracked_insn): Adjust.
31786	(insn_must_be_first_in_group): Adjust.
31787	* config/rs6000/40x.md: Adjust.
31788	* config/rs6000/440.md: Adjust.
31789	* config/rs6000/476.md: Adjust.
31790	* config/rs6000/601.md: Adjust.
31791	* config/rs6000/603.md: Adjust.
31792	* config/rs6000/6xx.md: Adjust.
31793	* config/rs6000/7450.md: Adjust.
31794	* config/rs6000/7xx.md: Adjust.
31795	* config/rs6000/8540.md: Adjust.
31796	* config/rs6000/cell.md: Adjust.
31797	* config/rs6000/e300c2c3.md: Adjust.
31798	* config/rs6000/e500mc.md: Adjust.
31799	* config/rs6000/e500mc64.md: Adjust.
31800	* config/rs6000/e5500.md: Adjust.
31801	* config/rs6000/e6500.md: Adjust.
31802	* config/rs6000/mpc.md: Adjust.
31803	* config/rs6000/power4.md: Adjust.
31804	* config/rs6000/power5.md: Adjust.
31805	* config/rs6000/power6.md: Adjust.
31806	* config/rs6000/power7.md: Adjust.
31807	* config/rs6000/power8.md: Adjust.
31808	* config/rs6000/power9.md: Adjust.
31809	* config/rs6000/rs64.md: Adjust.
31810	* config/rs6000/titan.md: Adjust.
31811
318122018-01-15  H.J. Lu  <hongjiu.lu@intel.com>
31813
31814	* config/i386/predicates.md (indirect_branch_operand): Rewrite
31815	ix86_indirect_branch_register logic.
31816
318172018-01-15  H.J. Lu  <hongjiu.lu@intel.com>
31818
31819	* config/i386/constraints.md (Bs): Update
31820	ix86_indirect_branch_register check.  Don't check
31821	ix86_indirect_branch_register with GOT_memory_operand.
31822	(Bw): Likewise.
31823	* config/i386/predicates.md (GOT_memory_operand): Don't check
31824	ix86_indirect_branch_register here.
31825	(GOT32_symbol_operand): Likewise.
31826
318272018-01-15  H.J. Lu  <hongjiu.lu@intel.com>
31828
31829	* config/i386/predicates.md (constant_call_address_operand):
31830	Rewrite ix86_indirect_branch_register logic.
31831	(sibcall_insn_operand): Likewise.
31832
318332018-01-15  H.J. Lu  <hongjiu.lu@intel.com>
31834
31835	* config/i386/constraints.md (Bs): Replace
31836	ix86_indirect_branch_thunk_register with
31837	ix86_indirect_branch_register.
31838	(Bw): Likewise.
31839	* config/i386/i386.md (indirect_jump): Likewise.
31840	(tablejump): Likewise.
31841	(*sibcall_memory): Likewise.
31842	(*sibcall_value_memory): Likewise.
31843	Peepholes of indirect call and jump via memory: Likewise.
31844	* config/i386/i386.opt: Likewise.
31845	* config/i386/predicates.md (indirect_branch_operand): Likewise.
31846	(GOT_memory_operand): Likewise.
31847	(call_insn_operand): Likewise.
31848	(sibcall_insn_operand): Likewise.
31849	(GOT32_symbol_operand): Likewise.
31850
318512018-01-15  Jakub Jelinek  <jakub@redhat.com>
31852
31853	PR middle-end/83837
31854	* omp-expand.c (expand_omp_atomic_pipeline): Use loaded_val
31855	type rather than type addr's type points to.
31856	(expand_omp_atomic_mutex): Likewise.
31857	(expand_omp_atomic): Likewise.
31858
318592018-01-15  H.J. Lu  <hongjiu.lu@intel.com>
31860
31861	PR target/83839
31862	* config/i386/i386.c (output_indirect_thunk_function): Use
31863	ASM_OUTPUT_LABEL, instead of ASM_OUTPUT_DEF, for TARGET_MACHO
31864	for  __x86_return_thunk.
31865
318662018-01-15  Richard Biener  <rguenther@suse.de>
31867
31868	PR middle-end/83850
31869	* expmed.c (extract_bit_field_1): Fix typo.
31870
318712018-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
31872
31873	PR target/83687
31874	* config/arm/iterators.md (VF): New mode iterator.
31875	* config/arm/neon.md (neon_vabd<mode>_2): Use the above.
31876	Remove integer-related logic from pattern.
31877	(neon_vabd<mode>_3): Likewise.
31878
318792018-01-15  Jakub Jelinek  <jakub@redhat.com>
31880
31881	PR middle-end/82694
31882	* common.opt (fstrict-overflow): No longer an alias.
31883	(fwrapv-pointer): New option.
31884	* tree.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED): Define
31885	also for pointer types based on flag_wrapv_pointer.
31886	* opts.c (common_handle_option) <case OPT_fstrict_overflow>: Set
31887	opts->x_flag_wrap[pv] to !value, clear opts->x_flag_trapv if
31888	opts->x_flag_wrapv got set.
31889	* fold-const.c (fold_comparison, fold_binary_loc): Revert 2017-08-01
31890	changes, just use TYPE_OVERFLOW_UNDEFINED on pointer type instead of
31891	POINTER_TYPE_OVERFLOW_UNDEFINED.
31892	* match.pd: Likewise in address comparison pattern.
31893	* doc/invoke.texi: Document -fwrapv and -fstrict-overflow.
31894
318952018-01-15  Richard Biener  <rguenther@suse.de>
31896
31897	PR lto/83804
31898	* tree.c (free_lang_data_in_type): Always unlink TYPE_DECLs
31899	from TYPE_FIELDS.  Free TYPE_BINFO if not used by devirtualization.
31900	Reset type names to their identifier if their TYPE_DECL doesn't
31901	have linkage (and thus is used for ODR and devirt).
31902	(save_debug_info_for_decl): Remove.
31903	(save_debug_info_for_type): Likewise.
31904	(add_tree_to_fld_list): Adjust.
31905	* tree-pretty-print.c (dump_generic_node): Make dumping of
31906	type names more robust.
31907
319082018-01-15  Richard Biener  <rguenther@suse.de>
31909
31910	* BASE-VER: Bump to 8.0.1.
31911
319122018-01-14  Martin Sebor  <msebor@redhat.com>
31913
31914	PR other/83508
31915	* builtins.c (check_access): Avoid warning when the no-warning bit
31916	is set.
31917
319182018-01-14  Cory Fields  <cory-nospam-@coryfields.com>
31919
31920	* tree-ssa-loop-im.c (sort_bbs_in_loop_postorder_cmp): Stabilize sort.
31921	* ira-color (allocno_hard_regs_compare): Likewise.
31922
319232018-01-14  Nathan Rossi  <nathan@nathanrossi.com>
31924
31925	PR target/83013
31926	* config/microblaze/microblaze.c (microblaze_asm_output_ident):
31927	Use .pushsection/.popsection.
31928
319292018-01-14  Martin Sebor  <msebor@redhat.com>
31930
31931	PR c++/81327
31932	* doc/invoke.texi (-Wlass-memaccess): Document suppression by casting.
31933
319342018-01-14  Jakub Jelinek  <jakub@redhat.com>
31935
31936	* config.gcc (i[34567]86-*-*): Remove one duplicate gfniintrin.h
31937	entry from extra_headers.
31938	(x86_64-*-*): Remove two duplicate gfniintrin.h entries from
31939	extra_headers, make the list bitwise identical to the i?86-*-* one.
31940
319412018-01-14  H.J. Lu  <hongjiu.lu@intel.com>
31942
31943	* config/i386/i386.c (ix86_set_indirect_branch_type): Disallow
31944	-mcmodel=large with -mindirect-branch=thunk,
31945	-mindirect-branch=thunk-extern, -mfunction-return=thunk and
31946	-mfunction-return=thunk-extern.
31947	* doc/invoke.texi: Document -mcmodel=large is incompatible with
31948	-mindirect-branch=thunk, -mindirect-branch=thunk-extern,
31949	-mfunction-return=thunk and -mfunction-return=thunk-extern.
31950
319512018-01-14  H.J. Lu  <hongjiu.lu@intel.com>
31952
31953	* config/i386/i386.c (print_reg): Print the name of the full
31954	integer register without '%'.
31955	(ix86_print_operand): Handle 'V'.
31956	* doc/extend.texi: Document 'V' modifier.
31957
319582018-01-14  H.J. Lu  <hongjiu.lu@intel.com>
31959
31960	* config/i386/constraints.md (Bs): Disallow memory operand for
31961	-mindirect-branch-register.
31962	(Bw): Likewise.
31963	* config/i386/predicates.md (indirect_branch_operand): Likewise.
31964	(GOT_memory_operand): Likewise.
31965	(call_insn_operand): Likewise.
31966	(sibcall_insn_operand): Likewise.
31967	(GOT32_symbol_operand): Likewise.
31968	* config/i386/i386.md (indirect_jump): Call convert_memory_address
31969	for -mindirect-branch-register.
31970	(tablejump): Likewise.
31971	(*sibcall_memory): Likewise.
31972	(*sibcall_value_memory): Likewise.
31973	Disallow peepholes of indirect call and jump via memory for
31974	-mindirect-branch-register.
31975	(*call_pop): Replace m with Bw.
31976	(*call_value_pop): Likewise.
31977	(*sibcall_pop_memory): Replace m with Bs.
31978	* config/i386/i386.opt (mindirect-branch-register): New option.
31979	* doc/invoke.texi: Document -mindirect-branch-register option.
31980
319812018-01-14  H.J. Lu  <hongjiu.lu@intel.com>
31982
31983	* config/i386/i386-protos.h (ix86_output_function_return): New.
31984	* config/i386/i386.c (ix86_set_indirect_branch_type): Also
31985	set function_return_type.
31986	(indirect_thunk_name): Add ret_p to indicate thunk for function
31987	return.
31988	(output_indirect_thunk_function): Pass false to
31989	indirect_thunk_name.
31990	(ix86_output_indirect_branch_via_reg): Likewise.
31991	(ix86_output_indirect_branch_via_push): Likewise.
31992	(output_indirect_thunk_function): Create alias for function
31993	return thunk if regno < 0.
31994	(ix86_output_function_return): New function.
31995	(ix86_handle_fndecl_attribute): Handle function_return.
31996	(ix86_attribute_table): Add function_return.
31997	* config/i386/i386.h (machine_function): Add
31998	function_return_type.
31999	* config/i386/i386.md (simple_return_internal): Use
32000	ix86_output_function_return.
32001	(simple_return_internal_long): Likewise.
32002	* config/i386/i386.opt (mfunction-return=): New option.
32003	(indirect_branch): Mention -mfunction-return=.
32004	* doc/extend.texi: Document function_return function attribute.
32005	* doc/invoke.texi: Document -mfunction-return= option.
32006
320072018-01-14  H.J. Lu  <hongjiu.lu@intel.com>
32008
32009	* config/i386/i386-opts.h (indirect_branch): New.
32010	* config/i386/i386-protos.h (ix86_output_indirect_jmp): Likewise.
32011	* config/i386/i386.c (ix86_using_red_zone): Disallow red-zone
32012	with local indirect jump when converting indirect call and jump.
32013	(ix86_set_indirect_branch_type): New.
32014	(ix86_set_current_function): Call ix86_set_indirect_branch_type.
32015	(indirectlabelno): New.
32016	(indirect_thunk_needed): Likewise.
32017	(indirect_thunk_bnd_needed): Likewise.
32018	(indirect_thunks_used): Likewise.
32019	(indirect_thunks_bnd_used): Likewise.
32020	(INDIRECT_LABEL): Likewise.
32021	(indirect_thunk_name): Likewise.
32022	(output_indirect_thunk): Likewise.
32023	(output_indirect_thunk_function): Likewise.
32024	(ix86_output_indirect_branch_via_reg): Likewise.
32025	(ix86_output_indirect_branch_via_push): Likewise.
32026	(ix86_output_indirect_branch): Likewise.
32027	(ix86_output_indirect_jmp): Likewise.
32028	(ix86_code_end): Call output_indirect_thunk_function if needed.
32029	(ix86_output_call_insn): Call ix86_output_indirect_branch if
32030	needed.
32031	(ix86_handle_fndecl_attribute): Handle indirect_branch.
32032	(ix86_attribute_table): Add indirect_branch.
32033	* config/i386/i386.h (machine_function): Add indirect_branch_type
32034	and has_local_indirect_jump.
32035	* config/i386/i386.md (indirect_jump): Set has_local_indirect_jump
32036	to true.
32037	(tablejump): Likewise.
32038	(*indirect_jump): Use ix86_output_indirect_jmp.
32039	(*tablejump_1): Likewise.
32040	(simple_return_indirect_internal): Likewise.
32041	* config/i386/i386.opt (mindirect-branch=): New option.
32042	(indirect_branch): New.
32043	(keep): Likewise.
32044	(thunk): Likewise.
32045	(thunk-inline): Likewise.
32046	(thunk-extern): Likewise.
32047	* doc/extend.texi: Document indirect_branch function attribute.
32048	* doc/invoke.texi: Document -mindirect-branch= option.
32049
320502018-01-14  Jan Hubicka  <hubicka@ucw.cz>
32051
32052	PR ipa/83051
32053	* ipa-inline.c (edge_badness): Tolerate roundoff errors.
32054
320552018-01-14  Richard Sandiford  <richard.sandiford@linaro.org>
32056
32057	* ipa-inline.c (want_inline_small_function_p): Return false if
32058	inlining has already failed with CIF_FINAL_ERROR.
32059	(update_caller_keys): Call want_inline_small_function_p before
32060	can_inline_edge_p.
32061	(update_callee_keys): Likewise.
32062
320632018-01-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
32064
32065	* config/rs6000/rs6000-p8swap.c (rs6000_sum_of_two_registers_p):
32066	New function.
32067	(rs6000_quadword_masked_address_p): Likewise.
32068	(quad_aligned_load_p): Likewise.
32069	(quad_aligned_store_p): Likewise.
32070	(const_load_sequence_p): Add comment to describe the outer-most loop.
32071	(mimic_memory_attributes_and_flags): New function.
32072	(rs6000_gen_stvx): Likewise.
32073	(replace_swapped_aligned_store): Likewise.
32074	(rs6000_gen_lvx): Likewise.
32075	(replace_swapped_aligned_load): Likewise.
32076	(replace_swapped_load_constant): Capitalize argument name in
32077	comment describing this function.
32078	(rs6000_analyze_swaps): Add a third pass to search for vector loads
32079	and stores that access quad-word aligned addresses and replace
32080	with stvx or lvx instructions when appropriate.
32081	* config/rs6000/rs6000-protos.h (rs6000_sum_of_two_registers_p):
32082	New function prototype.
32083	(rs6000_quadword_masked_address_p): Likewise.
32084	(rs6000_gen_lvx): Likewise.
32085	(rs6000_gen_stvx): Likewise.
32086	* config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): For modes
32087	VSX_D (V2DF, V2DI), modify this split to select lvx instruction
32088	when memory address is aligned.
32089	(*vsx_le_perm_load_<mode>): For modes VSX_W (V4SF, V4SI), modify
32090	this split to select lvx instruction when memory address is aligned.
32091	(*vsx_le_perm_load_v8hi): Modify this split to select lvx
32092	instruction when memory address is aligned.
32093	(*vsx_le_perm_load_v16qi): Likewise.
32094	(four unnamed splitters): Modify to select the stvx instruction
32095	when memory is aligned.
32096
320972018-01-13  Jan Hubicka  <hubicka@ucw.cz>
32098
32099	* predict.c (determine_unlikely_bbs): Handle correctly BBs
32100	which appears in the queue multiple times.
32101
321022018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32103	    Alan Hayward  <alan.hayward@arm.com>
32104	    David Sherwood  <david.sherwood@arm.com>
32105
32106	* tree-vectorizer.h (vec_lower_bound): New structure.
32107	(_loop_vec_info): Add check_nonzero and lower_bounds.
32108	(LOOP_VINFO_CHECK_NONZERO): New macro.
32109	(LOOP_VINFO_LOWER_BOUNDS): Likewise.
32110	(LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Check lower_bounds too.
32111	* tree-data-ref.h (dr_with_seg_len): Add access_size and align
32112	fields.  Make seg_len the distance travelled, not including the
32113	access size.
32114	(dr_direction_indicator): Declare.
32115	(dr_zero_step_indicator): Likewise.
32116	(dr_known_forward_stride_p): Likewise.
32117	* tree-data-ref.c: Include stringpool.h, tree-vrp.h and
32118	tree-ssanames.h.
32119	(runtime_alias_check_p): Allow runtime alias checks with
32120	variable strides.
32121	(operator ==): Compare access_size and align.
32122	(prune_runtime_alias_test_list): Rework for new distinction between
32123	the access_size and seg_len.
32124	(create_intersect_range_checks_index): Likewise.  Cope with polynomial
32125	segment lengths.
32126	(get_segment_min_max): New function.
32127	(create_intersect_range_checks): Use it.
32128	(dr_step_indicator): New function.
32129	(dr_direction_indicator): Likewise.
32130	(dr_zero_step_indicator): Likewise.
32131	(dr_known_forward_stride_p): Likewise.
32132	* tree-loop-distribution.c (data_ref_segment_size): Return
32133	DR_STEP * (niters - 1).
32134	(compute_alias_check_pairs): Update call to the dr_with_seg_len
32135	constructor.
32136	* tree-vect-data-refs.c (vect_check_nonzero_value): New function.
32137	(vect_preserves_scalar_order_p): New function, split out from...
32138	(vect_analyze_data_ref_dependence): ...here.  Check for zero steps.
32139	(vect_vfa_segment_size): Return DR_STEP * (length_factor - 1).
32140	(vect_vfa_access_size): New function.
32141	(vect_vfa_align): Likewise.
32142	(vect_compile_time_alias): Take access_size_a and access_b arguments.
32143	(dump_lower_bound): New function.
32144	(vect_check_lower_bound): Likewise.
32145	(vect_small_gap_p): Likewise.
32146	(vectorizable_with_step_bound_p): Likewise.
32147	(vect_prune_runtime_alias_test_list): Ignore cross-iteration
32148	depencies if the vectorization factor is 1.  Convert the checks
32149	for nonzero steps into checks on the bounds of DR_STEP.  Try using
32150	a bunds check for variable steps if the minimum required step is
32151	relatively small. Update calls to the dr_with_seg_len
32152	constructor and to vect_compile_time_alias.
32153	* tree-vect-loop-manip.c (vect_create_cond_for_lower_bounds): New
32154	function.
32155	(vect_loop_versioning): Call it.
32156	* tree-vect-loop.c (vect_analyze_loop_2): Clear LOOP_VINFO_LOWER_BOUNDS
32157	when retrying.
32158	(vect_estimate_min_profitable_iters): Account for any bounds checks.
32159
321602018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32161	    Alan Hayward  <alan.hayward@arm.com>
32162	    David Sherwood  <david.sherwood@arm.com>
32163
32164	* doc/sourcebuild.texi (vect_scatter_store): Document.
32165	* optabs.def (scatter_store_optab, mask_scatter_store_optab): New
32166	optabs.
32167	* doc/md.texi (scatter_store@var{m}, mask_scatter_store@var{m}):
32168	Document.
32169	* genopinit.c (main): Add supports_vec_scatter_store and
32170	supports_vec_scatter_store_cached to target_optabs.
32171	* gimple.h (gimple_expr_type): Handle IFN_SCATTER_STORE and
32172	IFN_MASK_SCATTER_STORE.
32173	* internal-fn.def (SCATTER_STORE, MASK_SCATTER_STORE): New internal
32174	functions.
32175	* internal-fn.h (internal_store_fn_p): Declare.
32176	(internal_fn_stored_value_index): Likewise.
32177	* internal-fn.c (scatter_store_direct): New macro.
32178	(expand_scatter_store_optab_fn): New function.
32179	(direct_scatter_store_optab_supported_p): New macro.
32180	(internal_store_fn_p): New function.
32181	(internal_gather_scatter_fn_p): Handle IFN_SCATTER_STORE and
32182	IFN_MASK_SCATTER_STORE.
32183	(internal_fn_mask_index): Likewise.
32184	(internal_fn_stored_value_index): New function.
32185	(internal_gather_scatter_fn_supported_p): Adjust operand numbers
32186	for scatter stores.
32187	* optabs-query.h (supports_vec_scatter_store_p): Declare.
32188	* optabs-query.c (supports_vec_scatter_store_p): New function.
32189	* tree-vectorizer.h (vect_get_store_rhs): Declare.
32190	* tree-vect-data-refs.c (vect_analyze_data_ref_access): Return
32191	true for scatter stores.
32192	(vect_gather_scatter_fn_p): Handle scatter stores too.
32193	(vect_check_gather_scatter): Consider using scatter stores if
32194	supports_vec_scatter_store_p.
32195	* tree-vect-patterns.c (vect_try_gather_scatter_pattern): Handle
32196	scatter stores too.
32197	* tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use
32198	internal_fn_stored_value_index.
32199	(check_load_store_masking): Handle scatter stores too.
32200	(vect_get_store_rhs): Make public.
32201	(vectorizable_call): Use internal_store_fn_p.
32202	(vectorizable_store): Handle scatter store internal functions.
32203	(vect_transform_stmt): Compare GROUP_STORE_COUNT with GROUP_SIZE
32204	when deciding whether the end of the group has been reached.
32205	* config/aarch64/aarch64.md (UNSPEC_ST1_SCATTER): New unspec.
32206	* config/aarch64/aarch64-sve.md (scatter_store<mode>): New expander.
32207	(mask_scatter_store<mode>): New insns.
32208
322092018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32210	    Alan Hayward  <alan.hayward@arm.com>
32211	    David Sherwood  <david.sherwood@arm.com>
32212
32213	* tree-vectorizer.h (vect_gather_scatter_fn_p): Declare.
32214	* tree-vect-data-refs.c (vect_gather_scatter_fn_p): Make public.
32215	* tree-vect-stmts.c (vect_truncate_gather_scatter_offset): New
32216	function.
32217	(vect_use_strided_gather_scatters_p): Take a masked_p argument.
32218	Use vect_truncate_gather_scatter_offset if we can't treat the
32219	operation as a normal gather load or scatter store.
32220	(get_group_load_store_type): Take the gather_scatter_info
32221	as argument.  Try using a gather load or scatter store for
32222	single-element groups.
32223	(get_load_store_type): Update calls to get_group_load_store_type
32224	and vect_use_strided_gather_scatters_p.
32225
322262018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32227	    Alan Hayward  <alan.hayward@arm.com>
32228	    David Sherwood  <david.sherwood@arm.com>
32229
32230	* tree-vectorizer.h (vect_create_data_ref_ptr): Take an extra
32231	optional tree argument.
32232	* tree-vect-data-refs.c (vect_check_gather_scatter): Check for
32233	null target hooks.
32234	(vect_create_data_ref_ptr): Take the iv_step as an optional argument,
32235	but continue to use the current value as a fallback.
32236	(bump_vector_ptr): Use operand_equal_p rather than tree_int_cst_compare
32237	to compare the updates.
32238	* tree-vect-stmts.c (vect_use_strided_gather_scatters_p): New function.
32239	(get_load_store_type): Use it when handling a strided access.
32240	(vect_get_strided_load_store_ops): New function.
32241	(vect_get_data_ptr_increment): Likewise.
32242	(vectorizable_load): Handle strided gather loads.  Always pass
32243	a step to vect_create_data_ref_ptr and bump_vector_ptr.
32244
322452018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32246	    Alan Hayward  <alan.hayward@arm.com>
32247	    David Sherwood  <david.sherwood@arm.com>
32248
32249	* doc/md.texi (gather_load@var{m}): Document.
32250	(mask_gather_load@var{m}): Likewise.
32251	* genopinit.c (main): Add supports_vec_gather_load and
32252	supports_vec_gather_load_cached to target_optabs.
32253	* optabs-tree.c (init_tree_optimization_optabs): Use
32254	ggc_cleared_alloc to allocate target_optabs.
32255	* optabs.def (gather_load_optab, mask_gather_laod_optab): New optabs.
32256	* internal-fn.def (GATHER_LOAD, MASK_GATHER_LOAD): New internal
32257	functions.
32258	* internal-fn.h (internal_load_fn_p): Declare.
32259	(internal_gather_scatter_fn_p): Likewise.
32260	(internal_fn_mask_index): Likewise.
32261	(internal_gather_scatter_fn_supported_p): Likewise.
32262	* internal-fn.c (gather_load_direct): New macro.
32263	(expand_gather_load_optab_fn): New function.
32264	(direct_gather_load_optab_supported_p): New macro.
32265	(direct_internal_fn_optab): New function.
32266	(internal_load_fn_p): Likewise.
32267	(internal_gather_scatter_fn_p): Likewise.
32268	(internal_fn_mask_index): Likewise.
32269	(internal_gather_scatter_fn_supported_p): Likewise.
32270	* optabs-query.c (supports_at_least_one_mode_p): New function.
32271	(supports_vec_gather_load_p): Likewise.
32272	* optabs-query.h (supports_vec_gather_load_p): Declare.
32273	* tree-vectorizer.h (gather_scatter_info): Add ifn, element_type
32274	and memory_type field.
32275	(NUM_PATTERNS): Bump to 15.
32276	* tree-vect-data-refs.c: Include internal-fn.h.
32277	(vect_gather_scatter_fn_p): New function.
32278	(vect_describe_gather_scatter_call): Likewise.
32279	(vect_check_gather_scatter): Try using internal functions for
32280	gather loads.  Recognize existing calls to a gather load function.
32281	(vect_analyze_data_refs): Consider using gather loads if
32282	supports_vec_gather_load_p.
32283	* tree-vect-patterns.c (vect_get_load_store_mask): New function.
32284	(vect_get_gather_scatter_offset_type): Likewise.
32285	(vect_convert_mask_for_vectype): Likewise.
32286	(vect_add_conversion_to_patterm): Likewise.
32287	(vect_try_gather_scatter_pattern): Likewise.
32288	(vect_recog_gather_scatter_pattern): New pattern recognizer.
32289	(vect_vect_recog_func_ptrs): Add it.
32290	* tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use
32291	internal_fn_mask_index and internal_gather_scatter_fn_p.
32292	(check_load_store_masking): Take the gather_scatter_info as an
32293	argument and handle gather loads.
32294	(vect_get_gather_scatter_ops): New function.
32295	(vectorizable_call): Check internal_load_fn_p.
32296	(vectorizable_load): Likewise.  Handle gather load internal
32297	functions.
32298	(vectorizable_store): Update call to check_load_store_masking.
32299	* config/aarch64/aarch64.md (UNSPEC_LD1_GATHER): New unspec.
32300	* config/aarch64/iterators.md (SVE_S, SVE_D): New mode iterators.
32301	* config/aarch64/predicates.md (aarch64_gather_scale_operand_w)
32302	(aarch64_gather_scale_operand_d): New predicates.
32303	* config/aarch64/aarch64-sve.md (gather_load<mode>): New expander.
32304	(mask_gather_load<mode>): New insns.
32305
323062018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32307	    Alan Hayward  <alan.hayward@arm.com>
32308	    David Sherwood  <david.sherwood@arm.com>
32309
32310	* optabs.def (fold_left_plus_optab): New optab.
32311	* doc/md.texi (fold_left_plus_@var{m}): Document.
32312	* internal-fn.def (IFN_FOLD_LEFT_PLUS): New internal function.
32313	* internal-fn.c (fold_left_direct): Define.
32314	(expand_fold_left_optab_fn): Likewise.
32315	(direct_fold_left_optab_supported_p): Likewise.
32316	* fold-const-call.c (fold_const_fold_left): New function.
32317	(fold_const_call): Use it to fold CFN_FOLD_LEFT_PLUS.
32318	* tree-parloops.c (valid_reduction_p): New function.
32319	(gather_scalar_reductions): Use it.
32320	* tree-vectorizer.h (FOLD_LEFT_REDUCTION): New vect_reduction_type.
32321	(vect_finish_replace_stmt): Declare.
32322	* tree-vect-loop.c (fold_left_reduction_fn): New function.
32323	(needs_fold_left_reduction_p): New function, split out from...
32324	(vect_is_simple_reduction): ...here.  Accept reductions that
32325	forbid reassociation, but give them type FOLD_LEFT_REDUCTION.
32326	(vect_force_simple_reduction): Also store the reduction type in
32327	the assignment's STMT_VINFO_REDUC_TYPE.
32328	(vect_model_reduction_cost): Handle FOLD_LEFT_REDUCTION.
32329	(merge_with_identity): New function.
32330	(vect_expand_fold_left): Likewise.
32331	(vectorize_fold_left_reduction): Likewise.
32332	(vectorizable_reduction): Handle FOLD_LEFT_REDUCTION.  Leave the
32333	scalar phi in place for it.  Check for target support and reject
32334	cases that would reassociate the operation.  Defer the transform
32335	phase to vectorize_fold_left_reduction.
32336	* config/aarch64/aarch64.md (UNSPEC_FADDA): New unspec.
32337	* config/aarch64/aarch64-sve.md (fold_left_plus_<mode>): New expander.
32338	(*fold_left_plus_<mode>, *pred_fold_left_plus_<mode>): New insns.
32339
323402018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32341
32342	* tree-if-conv.c (predicate_mem_writes): Remove redundant
32343	call to ifc_temp_var.
32344
323452018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32346	    Alan Hayward  <alan.hayward@arm.com>
32347	    David Sherwood  <david.sherwood@arm.com>
32348
32349	* target.def (legitimize_address_displacement): Take the original
32350	offset as a poly_int.
32351	* targhooks.h (default_legitimize_address_displacement): Update
32352	accordingly.
32353	* targhooks.c (default_legitimize_address_displacement): Likewise.
32354	* doc/tm.texi: Regenerate.
32355	* lra-constraints.c (base_plus_disp_to_reg): Take the displacement
32356	as an argument, moving assert of ad->disp == ad->disp_term to...
32357	(process_address_1): ...here.  Update calls to base_plus_disp_to_reg.
32358	Try calling targetm.legitimize_address_displacement before expanding
32359	the address rather than afterwards, and adjust for the new interface.
32360	* config/aarch64/aarch64.c (aarch64_legitimize_address_displacement):
32361	Match the new hook interface.  Handle SVE addresses.
32362	* config/sh/sh.c (sh_legitimize_address_displacement): Make the
32363	new hook interface.
32364
323652018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32366
32367	* Makefile.in (OBJS): Add early-remat.o.
32368	* target.def (select_early_remat_modes): New hook.
32369	* doc/tm.texi.in (TARGET_SELECT_EARLY_REMAT_MODES): New hook.
32370	* doc/tm.texi: Regenerate.
32371	* targhooks.h (default_select_early_remat_modes): Declare.
32372	* targhooks.c (default_select_early_remat_modes): New function.
32373	* timevar.def (TV_EARLY_REMAT): New timevar.
32374	* passes.def (pass_early_remat): New pass.
32375	* tree-pass.h (make_pass_early_remat): Declare.
32376	* early-remat.c: New file.
32377	* config/aarch64/aarch64.c (aarch64_select_early_remat_modes): New
32378	function.
32379	(TARGET_SELECT_EARLY_REMAT_MODES): Define.
32380
323812018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32382	    Alan Hayward  <alan.hayward@arm.com>
32383	    David Sherwood  <david.sherwood@arm.com>
32384
32385	* tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Replace
32386	vfm1 with a bound_epilog parameter.
32387	(vect_do_peeling): Update calls accordingly, and move the prologue
32388	call earlier in the function.  Treat the base bound_epilog as 0 for
32389	fully-masked loops and retain vf - 1 for other loops.  Add 1 to
32390	this base when peeling for gaps.
32391	* tree-vect-loop.c (vect_analyze_loop_2): Allow peeling for gaps
32392	with fully-masked loops.
32393	(vect_estimate_min_profitable_iters): Handle the single peeled
32394	iteration in that case.
32395
323962018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32397	    Alan Hayward  <alan.hayward@arm.com>
32398	    David Sherwood  <david.sherwood@arm.com>
32399
32400	* tree-vect-data-refs.c (vect_analyze_group_access_1): Allow
32401	single-element interleaving even if the size is not a power of 2.
32402	* tree-vect-stmts.c (get_load_store_type): Disallow elementwise
32403	accesses for single-element interleaving if the group size is
32404	not a power of 2.
32405
324062018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32407	    Alan Hayward  <alan.hayward@arm.com>
32408	    David Sherwood  <david.sherwood@arm.com>
32409
32410	* doc/md.texi (fold_extract_last_@var{m}): Document.
32411	* doc/sourcebuild.texi (vect_fold_extract_last): Likewise.
32412	* optabs.def (fold_extract_last_optab): New optab.
32413	* internal-fn.def (FOLD_EXTRACT_LAST): New internal function.
32414	* internal-fn.c (fold_extract_direct): New macro.
32415	(expand_fold_extract_optab_fn): Likewise.
32416	(direct_fold_extract_optab_supported_p): Likewise.
32417	* tree-vectorizer.h (EXTRACT_LAST_REDUCTION): New vect_reduction_type.
32418	* tree-vect-loop.c (vect_model_reduction_cost): Handle
32419	EXTRACT_LAST_REDUCTION.
32420	(get_initial_def_for_reduction): Do not create an initial vector
32421	for EXTRACT_LAST_REDUCTION reductions.
32422	(vectorizable_reduction): Leave the scalar phi in place for
32423	EXTRACT_LAST_REDUCTIONs.  Try using EXTRACT_LAST_REDUCTION
32424	ahead of INTEGER_INDUC_COND_REDUCTION.  Do not check for an
32425	epilogue code for EXTRACT_LAST_REDUCTION and defer the
32426	transform phase to vectorizable_condition.
32427	* tree-vect-stmts.c (vect_finish_stmt_generation_1): New function,
32428	split out from...
32429	(vect_finish_stmt_generation): ...here.
32430	(vect_finish_replace_stmt): New function.
32431	(vectorizable_condition): Handle EXTRACT_LAST_REDUCTION.
32432	* config/aarch64/aarch64-sve.md (fold_extract_last_<mode>): New
32433	pattern.
32434	* config/aarch64/aarch64.md (UNSPEC_CLASTB): New unspec.
32435
324362018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32437	    Alan Hayward  <alan.hayward@arm.com>
32438	    David Sherwood  <david.sherwood@arm.com>
32439
32440	* doc/md.texi (extract_last_@var{m}): Document.
32441	* optabs.def (extract_last_optab): New optab.
32442	* internal-fn.def (EXTRACT_LAST): New internal function.
32443	* internal-fn.c (cond_unary_direct): New macro.
32444	(expand_cond_unary_optab_fn): Likewise.
32445	(direct_cond_unary_optab_supported_p): Likewise.
32446	* tree-vect-loop.c (vectorizable_live_operation): Allow fully-masked
32447	loops using EXTRACT_LAST.
32448	* config/aarch64/aarch64-sve.md (aarch64_sve_lastb<mode>): Rename to...
32449	(extract_last_<mode>): ...this optab.
32450	(vec_extract<mode><Vel>): Update accordingly.
32451
324522018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32453	    Alan Hayward  <alan.hayward@arm.com>
32454	    David Sherwood  <david.sherwood@arm.com>
32455
32456	* target.def (empty_mask_is_expensive): New hook.
32457	* doc/tm.texi.in (TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): New hook.
32458	* doc/tm.texi: Regenerate.
32459	* targhooks.h (default_empty_mask_is_expensive): Declare.
32460	* targhooks.c (default_empty_mask_is_expensive): New function.
32461	* tree-vectorizer.c (vectorize_loops): Only call optimize_mask_stores
32462	if the target says that empty masks are expensive.
32463	* config/aarch64/aarch64.c (aarch64_empty_mask_is_expensive):
32464	New function.
32465	(TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): Redefine.
32466
324672018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32468	    Alan Hayward  <alan.hayward@arm.com>
32469	    David Sherwood  <david.sherwood@arm.com>
32470
32471	* tree-vectorizer.h (_loop_vec_info::mask_skip_niters): New field.
32472	(LOOP_VINFO_MASK_SKIP_NITERS): New macro.
32473	(vect_use_loop_mask_for_alignment_p): New function.
32474	(vect_prepare_for_masked_peels, vect_gen_while_not): Declare.
32475	* tree-vect-loop-manip.c (vect_set_loop_masks_directly): Add an
32476	niters_skip argument.  Make sure that the first niters_skip elements
32477	of the first iteration are inactive.
32478	(vect_set_loop_condition_masked): Handle LOOP_VINFO_MASK_SKIP_NITERS.
32479	Update call to vect_set_loop_masks_directly.
32480	(get_misalign_in_elems): New function, split out from...
32481	(vect_gen_prolog_loop_niters): ...here.
32482	(vect_update_init_of_dr): Take a code argument that specifies whether
32483	the adjustment should be added or subtracted.
32484	(vect_update_init_of_drs): Likewise.
32485	(vect_prepare_for_masked_peels): New function.
32486	(vect_do_peeling): Skip prologue peeling if we're using a mask
32487	instead.  Update call to vect_update_inits_of_drs.
32488	* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
32489	mask_skip_niters.
32490	(vect_analyze_loop_2): Allow fully-masked loops with peeling for
32491	alignment.  Do not include the number of peeled iterations in
32492	the minimum threshold in that case.
32493	(vectorizable_induction): Adjust the start value down by
32494	LOOP_VINFO_MASK_SKIP_NITERS iterations.
32495	(vect_transform_loop): Call vect_prepare_for_masked_peels.
32496	Take the number of skipped iterations into account when calculating
32497	the loop bounds.
32498	* tree-vect-stmts.c (vect_gen_while_not): New function.
32499
325002018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32501	    Alan Hayward  <alan.hayward@arm.com>
32502	    David Sherwood  <david.sherwood@arm.com>
32503
32504	* doc/sourcebuild.texi (vect_fully_masked): Document.
32505	* params.def (PARAM_MIN_VECT_LOOP_BOUND): Change minimum and
32506	default value to 0.
32507	* tree-vect-loop.c (vect_analyze_loop_costing): New function,
32508	split out from...
32509	(vect_analyze_loop_2): ...here. Don't check the vectorization
32510	factor against the number of loop iterations if the loop is
32511	fully-masked.
32512
325132018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32514	    Alan Hayward  <alan.hayward@arm.com>
32515	    David Sherwood  <david.sherwood@arm.com>
32516
32517	* tree-ssa-loop-ivopts.c (USE_ADDRESS): Split into...
32518	(USE_REF_ADDRESS, USE_PTR_ADDRESS): ...these new use types.
32519	(dump_groups): Update accordingly.
32520	(iv_use::mem_type): New member variable.
32521	(address_p): New function.
32522	(record_use): Add a mem_type argument and initialize the new
32523	mem_type field.
32524	(record_group_use): Add a mem_type argument.  Use address_p.
32525	Remove obsolete null checks of base_object.  Update call to record_use.
32526	(find_interesting_uses_op): Update call to record_group_use.
32527	(find_interesting_uses_cond): Likewise.
32528	(find_interesting_uses_address): Likewise.
32529	(get_mem_type_for_internal_fn): New function.
32530	(find_address_like_use): Likewise.
32531	(find_interesting_uses_stmt): Try find_address_like_use before
32532	calling find_interesting_uses_op.
32533	(addr_offset_valid_p): Use the iv mem_type field as the type
32534	of the addressed memory.
32535	(add_autoinc_candidates): Likewise.
32536	(get_address_cost): Likewise.
32537	(split_small_address_groups_p): Use address_p.
32538	(split_address_groups): Likewise.
32539	(add_iv_candidate_for_use): Likewise.
32540	(autoinc_possible_for_pair): Likewise.
32541	(rewrite_groups): Likewise.
32542	(get_use_type): Check for USE_REF_ADDRESS instead of USE_ADDRESS.
32543	(determine_group_iv_cost): Update after split of USE_ADDRESS.
32544	(get_alias_ptr_type_for_ptr_address): New function.
32545	(rewrite_use_address): Rewrite address uses in calls that were
32546	identified by find_address_like_use.
32547
325482018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32549	    Alan Hayward  <alan.hayward@arm.com>
32550	    David Sherwood  <david.sherwood@arm.com>
32551
32552	* expr.c (expand_expr_addr_expr_1): Handle ADDR_EXPRs of
32553	TARGET_MEM_REFs.
32554	* gimple-expr.h (is_gimple_addressable: Likewise.
32555	* gimple-expr.c (is_gimple_address): Likewise.
32556	* internal-fn.c (expand_call_mem_ref): New function.
32557	(expand_mask_load_optab_fn): Use it.
32558	(expand_mask_store_optab_fn): Likewise.
32559
325602018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32561	    Alan Hayward  <alan.hayward@arm.com>
32562	    David Sherwood  <david.sherwood@arm.com>
32563
32564	* doc/md.texi (cond_add@var{mode}, cond_sub@var{mode})
32565	(cond_and@var{mode}, cond_ior@var{mode}, cond_xor@var{mode})
32566	(cond_smin@var{mode}, cond_smax@var{mode}, cond_umin@var{mode})
32567	(cond_umax@var{mode}): Document.
32568	* optabs.def (cond_add_optab, cond_sub_optab, cond_and_optab)
32569	(cond_ior_optab, cond_xor_optab, cond_smin_optab, cond_smax_optab)
32570	(cond_umin_optab, cond_umax_optab): New optabs.
32571	* internal-fn.def (COND_ADD, COND_SUB, COND_MIN, COND_MAX, COND_AND)
32572	(COND_IOR, COND_XOR): New internal functions.
32573	* internal-fn.h (get_conditional_internal_fn): Declare.
32574	* internal-fn.c (cond_binary_direct): New macro.
32575	(expand_cond_binary_optab_fn): Likewise.
32576	(direct_cond_binary_optab_supported_p): Likewise.
32577	(get_conditional_internal_fn): New function.
32578	* tree-vect-loop.c (vectorizable_reduction): Handle fully-masked loops.
32579	Cope with reduction statements that are vectorized as calls rather
32580	than assignments.
32581	* config/aarch64/aarch64-sve.md (cond_<optab><mode>): New insns.
32582	* config/aarch64/iterators.md (UNSPEC_COND_ADD, UNSPEC_COND_SUB)
32583	(UNSPEC_COND_SMAX, UNSPEC_COND_UMAX, UNSPEC_COND_SMIN)
32584	(UNSPEC_COND_UMIN, UNSPEC_COND_AND, UNSPEC_COND_ORR)
32585	(UNSPEC_COND_EOR): New unspecs.
32586	(optab): Add mappings for them.
32587	(SVE_COND_INT_OP, SVE_COND_FP_OP): New int iterators.
32588	(sve_int_op, sve_fp_op): New int attributes.
32589
325902018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32591	    Alan Hayward  <alan.hayward@arm.com>
32592	    David Sherwood  <david.sherwood@arm.com>
32593
32594	* optabs.def (while_ult_optab): New optab.
32595	* doc/md.texi (while_ult@var{m}@var{n}): Document.
32596	* internal-fn.def (WHILE_ULT): New internal function.
32597	* internal-fn.h (direct_internal_fn_supported_p): New override
32598	that takes two types as argument.
32599	* internal-fn.c (while_direct): New macro.
32600	(expand_while_optab_fn): New function.
32601	(convert_optab_supported_p): Likewise.
32602	(direct_while_optab_supported_p): New macro.
32603	* wide-int.h (wi::udiv_ceil): New function.
32604	* tree-vectorizer.h (rgroup_masks): New structure.
32605	(vec_loop_masks): New typedef.
32606	(_loop_vec_info): Add masks, mask_compare_type, can_fully_mask_p
32607	and fully_masked_p.
32608	(LOOP_VINFO_CAN_FULLY_MASK_P, LOOP_VINFO_FULLY_MASKED_P)
32609	(LOOP_VINFO_MASKS, LOOP_VINFO_MASK_COMPARE_TYPE): New macros.
32610	(vect_max_vf): New function.
32611	(slpeel_make_loop_iterate_ntimes): Delete.
32612	(vect_set_loop_condition, vect_get_loop_mask_type, vect_gen_while)
32613	(vect_halve_mask_nunits, vect_double_mask_nunits): Declare.
32614	(vect_record_loop_mask, vect_get_loop_mask): Likewise.
32615	* tree-vect-loop-manip.c: Include tree-ssa-loop-niter.h,
32616	internal-fn.h, stor-layout.h and optabs-query.h.
32617	(vect_set_loop_mask): New function.
32618	(add_preheader_seq): Likewise.
32619	(add_header_seq): Likewise.
32620	(interleave_supported_p): Likewise.
32621	(vect_maybe_permute_loop_masks): Likewise.
32622	(vect_set_loop_masks_directly): Likewise.
32623	(vect_set_loop_condition_masked): Likewise.
32624	(vect_set_loop_condition_unmasked): New function, split out from
32625	slpeel_make_loop_iterate_ntimes.
32626	(slpeel_make_loop_iterate_ntimes): Rename to..
32627	(vect_set_loop_condition): ...this.  Use vect_set_loop_condition_masked
32628	for fully-masked loops and vect_set_loop_condition_unmasked otherwise.
32629	(vect_do_peeling): Update call accordingly.
32630	(vect_gen_vector_loop_niters): Use VF as the step for fully-masked
32631	loops.
32632	* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
32633	mask_compare_type, can_fully_mask_p and fully_masked_p.
32634	(release_vec_loop_masks): New function.
32635	(_loop_vec_info): Use it to free the loop masks.
32636	(can_produce_all_loop_masks_p): New function.
32637	(vect_get_max_nscalars_per_iter): Likewise.
32638	(vect_verify_full_masking): Likewise.
32639	(vect_analyze_loop_2): Save LOOP_VINFO_CAN_FULLY_MASK_P around
32640	retries, and free the mask rgroups before retrying.  Check loop-wide
32641	reasons for disallowing fully-masked loops.  Make the final decision
32642	about whether use a fully-masked loop or not.
32643	(vect_estimate_min_profitable_iters): Do not assume that peeling
32644	for the number of iterations will be needed for fully-masked loops.
32645	(vectorizable_reduction): Disable fully-masked loops.
32646	(vectorizable_live_operation): Likewise.
32647	(vect_halve_mask_nunits): New function.
32648	(vect_double_mask_nunits): Likewise.
32649	(vect_record_loop_mask): Likewise.
32650	(vect_get_loop_mask): Likewise.
32651	(vect_transform_loop): Handle the case in which the final loop
32652	iteration might handle a partial vector.  Call vect_set_loop_condition
32653	instead of slpeel_make_loop_iterate_ntimes.
32654	* tree-vect-stmts.c: Include tree-ssa-loop-niter.h and gimple-fold.h.
32655	(check_load_store_masking): New function.
32656	(prepare_load_store_mask): Likewise.
32657	(vectorizable_store): Handle fully-masked loops.
32658	(vectorizable_load): Likewise.
32659	(supportable_widening_operation): Use vect_halve_mask_nunits for
32660	booleans.
32661	(supportable_narrowing_operation): Likewise vect_double_mask_nunits.
32662	(vect_gen_while): New function.
32663	* config/aarch64/aarch64.md (umax<mode>3): New expander.
32664	(aarch64_uqdec<mode>): New insn.
32665
326662018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32667	    Alan Hayward  <alan.hayward@arm.com>
32668	    David Sherwood  <david.sherwood@arm.com>
32669
32670	* optabs.def (reduc_and_scal_optab, reduc_ior_scal_optab)
32671	(reduc_xor_scal_optab): New optabs.
32672	* doc/md.texi (reduc_and_scal_@var{m}, reduc_ior_scal_@var{m})
32673	(reduc_xor_scal_@var{m}): Document.
32674	* doc/sourcebuild.texi (vect_logical_reduc): Likewise.
32675	* internal-fn.def (IFN_REDUC_AND, IFN_REDUC_IOR, IFN_REDUC_XOR): New
32676	internal functions.
32677	* fold-const-call.c (fold_const_call): Handle them.
32678	* tree-vect-loop.c (reduction_fn_for_scalar_code): Return the new
32679	internal functions for BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR.
32680	* config/aarch64/aarch64-sve.md (reduc_<bit_reduc>_scal_<mode>):
32681	(*reduc_<bit_reduc>_scal_<mode>): New patterns.
32682	* config/aarch64/iterators.md (UNSPEC_ANDV, UNSPEC_ORV)
32683	(UNSPEC_XORV): New unspecs.
32684	(optab): Add entries for them.
32685	(BITWISEV): New int iterator.
32686	(bit_reduc_op): New int attributes.
32687
326882018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32689	    Alan Hayward  <alan.hayward@arm.com>
32690	    David Sherwood  <david.sherwood@arm.com>
32691
32692	* doc/md.texi (vec_shl_insert_@var{m}): New optab.
32693	* internal-fn.def (VEC_SHL_INSERT): New internal function.
32694	* optabs.def (vec_shl_insert_optab): New optab.
32695	* tree-vectorizer.h (can_duplicate_and_interleave_p): Declare.
32696	(duplicate_and_interleave): Likewise.
32697	* tree-vect-loop.c: Include internal-fn.h.
32698	(neutral_op_for_slp_reduction): New function, split out from
32699	get_initial_defs_for_reduction.
32700	(get_initial_def_for_reduction): Handle option 2 for variable-length
32701	vectors by loading the neutral value into a vector and then shifting
32702	the initial value into element 0.
32703	(get_initial_defs_for_reduction): Replace the code argument with
32704	the neutral value calculated by neutral_op_for_slp_reduction.
32705	Use gimple_build_vector for constant-length vectors.
32706	Use IFN_VEC_SHL_INSERT for variable-length vectors if all
32707	but the first group_size elements have a neutral value.
32708	Use duplicate_and_interleave otherwise.
32709	(vect_create_epilog_for_reduction): Take a neutral_op parameter.
32710	Update call to get_initial_defs_for_reduction.  Handle SLP
32711	reductions for variable-length vectors by creating one vector
32712	result for each scalar result, with the elements associated
32713	with other scalar results stubbed out with the neutral value.
32714	(vectorizable_reduction): Call neutral_op_for_slp_reduction.
32715	Require IFN_VEC_SHL_INSERT for double reductions on
32716	variable-length vectors, or SLP reductions that have
32717	a neutral value.  Require can_duplicate_and_interleave_p
32718	support for variable-length unchained SLP reductions if there
32719	is no neutral value, such as for MIN/MAX reductions.  Also require
32720	the number of vector elements to be a multiple of the number of
32721	SLP statements when doing variable-length unchained SLP reductions.
32722	Update call to vect_create_epilog_for_reduction.
32723	* tree-vect-slp.c (can_duplicate_and_interleave_p): Make public
32724	and remove initial values.
32725	(duplicate_and_interleave): Make public.
32726	* config/aarch64/aarch64.md (UNSPEC_INSR): New unspec.
32727	* config/aarch64/aarch64-sve.md (vec_shl_insert_<mode>): New insn.
32728
327292018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32730	    Alan Hayward  <alan.hayward@arm.com>
32731	    David Sherwood  <david.sherwood@arm.com>
32732
32733	* tree-vect-slp.c: Include gimple-fold.h and internal-fn.h
32734	(can_duplicate_and_interleave_p): New function.
32735	(vect_get_and_check_slp_defs): Take the vector of statements
32736	rather than just the current one.  Remove excess parentheses.
32737	Restriction rejectinon of vect_constant_def and vect_external_def
32738	for variable-length vectors to boolean types, or types for which
32739	can_duplicate_and_interleave_p is false.
32740	(vect_build_slp_tree_2): Update call to vect_get_and_check_slp_defs.
32741	(duplicate_and_interleave): New function.
32742	(vect_get_constant_vectors): Use gimple_build_vector for
32743	constant-length vectors and suitable variable-length constant
32744	vectors.  Use duplicate_and_interleave for other variable-length
32745	vectors.  Don't defer the update when inserting new statements.
32746
327472018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32748	    Alan Hayward  <alan.hayward@arm.com>
32749	    David Sherwood  <david.sherwood@arm.com>
32750
32751	* tree-vect-loop.c (vect_estimate_min_profitable_iters): Make sure
32752	min_profitable_iters doesn't go negative.
32753
327542018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32755	    Alan Hayward  <alan.hayward@arm.com>
32756	    David Sherwood  <david.sherwood@arm.com>
32757
32758	* doc/md.texi (vec_mask_load_lanes@var{m}@var{n}): Document.
32759	(vec_mask_store_lanes@var{m}@var{n}): Likewise.
32760	* optabs.def (vec_mask_load_lanes_optab): New optab.
32761	(vec_mask_store_lanes_optab): Likewise.
32762	* internal-fn.def (MASK_LOAD_LANES): New internal function.
32763	(MASK_STORE_LANES): Likewise.
32764	* internal-fn.c (mask_load_lanes_direct): New macro.
32765	(mask_store_lanes_direct): Likewise.
32766	(expand_mask_load_optab_fn): Handle masked operations.
32767	(expand_mask_load_lanes_optab_fn): New macro.
32768	(expand_mask_store_optab_fn): Handle masked operations.
32769	(expand_mask_store_lanes_optab_fn): New macro.
32770	(direct_mask_load_lanes_optab_supported_p): Likewise.
32771	(direct_mask_store_lanes_optab_supported_p): Likewise.
32772	* tree-vectorizer.h (vect_store_lanes_supported): Take a masked_p
32773	parameter.
32774	(vect_load_lanes_supported): Likewise.
32775	* tree-vect-data-refs.c (strip_conversion): New function.
32776	(can_group_stmts_p): Likewise.
32777	(vect_analyze_data_ref_accesses): Use it instead of checking
32778	for a pair of assignments.
32779	(vect_store_lanes_supported): Take a masked_p parameter.
32780	(vect_load_lanes_supported): Likewise.
32781	* tree-vect-loop.c (vect_analyze_loop_2): Update calls to
32782	vect_store_lanes_supported and vect_load_lanes_supported.
32783	* tree-vect-slp.c (vect_analyze_slp_instance): Likewise.
32784	* tree-vect-stmts.c (get_group_load_store_type): Take a masked_p
32785	parameter.  Don't allow gaps for masked accesses.
32786	Use vect_get_store_rhs.  Update calls to vect_store_lanes_supported
32787	and vect_load_lanes_supported.
32788	(get_load_store_type): Take a masked_p parameter and update
32789	call to get_group_load_store_type.
32790	(vectorizable_store): Update call to get_load_store_type.
32791	Handle IFN_MASK_STORE_LANES.
32792	(vectorizable_load): Update call to get_load_store_type.
32793	Handle IFN_MASK_LOAD_LANES.
32794
327952018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32796	    Alan Hayward  <alan.hayward@arm.com>
32797	    David Sherwood  <david.sherwood@arm.com>
32798
32799	* config/aarch64/aarch64-modes.def: Define x2, x3 and x4 vector
32800	modes for SVE.
32801	* config/aarch64/aarch64-protos.h
32802	(aarch64_sve_struct_memory_operand_p): Declare.
32803	* config/aarch64/iterators.md (SVE_STRUCT): New mode iterator.
32804	(vector_count, insn_length, VSINGLE, vsingle): New mode attributes.
32805	(VPRED, vpred): Handle SVE structure modes.
32806	* config/aarch64/constraints.md (Utx): New constraint.
32807	* config/aarch64/predicates.md (aarch64_sve_struct_memory_operand)
32808	(aarch64_sve_struct_nonimmediate_operand): New predicates.
32809	* config/aarch64/aarch64.md (UNSPEC_LDN, UNSPEC_STN): New unspecs.
32810	* config/aarch64/aarch64-sve.md (mov<mode>, *aarch64_sve_mov<mode>_le)
32811	(*aarch64_sve_mov<mode>_be, pred_mov<mode>): New patterns for
32812	structure modes.  Split into pieces after RA.
32813	(vec_load_lanes<mode><vsingle>, vec_mask_load_lanes<mode><vsingle>)
32814	(vec_store_lanes<mode><vsingle>, vec_mask_store_lanes<mode><vsingle>):
32815	New patterns.
32816	* config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
32817	SVE structure modes.
32818	(aarch64_classify_address): Likewise.
32819	(sizetochar): Move earlier in file.
32820	(aarch64_print_operand): Handle SVE register lists.
32821	(aarch64_array_mode): New function.
32822	(aarch64_sve_struct_memory_operand_p): Likewise.
32823	(TARGET_ARRAY_MODE): Redefine.
32824
328252018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32826	    Alan Hayward  <alan.hayward@arm.com>
32827	    David Sherwood  <david.sherwood@arm.com>
32828
32829	* target.def (array_mode): New target hook.
32830	* doc/tm.texi.in (TARGET_ARRAY_MODE): New hook.
32831	* doc/tm.texi: Regenerate.
32832	* hooks.h (hook_optmode_mode_uhwi_none): Declare.
32833	* hooks.c (hook_optmode_mode_uhwi_none): New function.
32834	* tree-vect-data-refs.c (vect_lanes_optab_supported_p): Use
32835	targetm.array_mode.
32836	* stor-layout.c (mode_for_array): Likewise.  Support polynomial
32837	type sizes.
32838
328392018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32840	    Alan Hayward  <alan.hayward@arm.com>
32841	    David Sherwood  <david.sherwood@arm.com>
32842
32843	* fold-const.c (fold_binary_loc): Check the argument types
32844	rather than the result type when testing for a vector operation.
32845
328462018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32847
32848	* doc/tm.texi.in (DWARF_LAZY_REGISTER_VALUE): Document.
32849	* doc/tm.texi: Regenerate.
32850
328512018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
32852	    Alan Hayward  <alan.hayward@arm.com>
32853	    David Sherwood  <david.sherwood@arm.com>
32854
32855	* doc/invoke.texi (-msve-vector-bits=): Document new option.
32856	(sve): Document new AArch64 extension.
32857	* doc/md.texi (w): Extend the description of the AArch64
32858	constraint to include SVE vectors.
32859	(Upl, Upa): Document new AArch64 predicate constraints.
32860	* config/aarch64/aarch64-opts.h (aarch64_sve_vector_bits_enum): New
32861	enum.
32862	* config/aarch64/aarch64.opt (sve_vector_bits): New enum.
32863	(msve-vector-bits=): New option.
32864	* config/aarch64/aarch64-option-extensions.def (fp, simd): Disable
32865	SVE when these are disabled.
32866	(sve): New extension.
32867	* config/aarch64/aarch64-modes.def: Define SVE vector and predicate
32868	modes.  Adjust their number of units based on aarch64_sve_vg.
32869	(MAX_BITSIZE_MODE_ANY_MODE): Define.
32870	* config/aarch64/aarch64-protos.h (ADDR_QUERY_ANY): New
32871	aarch64_addr_query_type.
32872	(aarch64_const_vec_all_same_in_range_p, aarch64_sve_pred_mode)
32873	(aarch64_sve_cnt_immediate_p, aarch64_sve_addvl_addpl_immediate_p)
32874	(aarch64_sve_inc_dec_immediate_p, aarch64_add_offset_temporaries)
32875	(aarch64_split_add_offset, aarch64_output_sve_cnt_immediate)
32876	(aarch64_output_sve_addvl_addpl, aarch64_output_sve_inc_dec_immediate)
32877	(aarch64_output_sve_mov_immediate, aarch64_output_ptrue): Declare.
32878	(aarch64_simd_imm_zero_p): Delete.
32879	(aarch64_check_zero_based_sve_index_immediate): Declare.
32880	(aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p)
32881	(aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p)
32882	(aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p)
32883	(aarch64_sve_float_mul_immediate_p): Likewise.
32884	(aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT
32885	rather than an rtx.
32886	(aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): Declare.
32887	(aarch64_expand_mov_immediate): Take a gen_vec_duplicate callback.
32888	(aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move): Declare.
32889	(aarch64_expand_sve_vec_cmp_int, aarch64_expand_sve_vec_cmp_float)
32890	(aarch64_expand_sve_vcond, aarch64_expand_sve_vec_perm): Declare.
32891	(aarch64_regmode_natural_size): Likewise.
32892	* config/aarch64/aarch64.h (AARCH64_FL_SVE): New macro.
32893	(AARCH64_FL_V8_3, AARCH64_FL_RCPC, AARCH64_FL_DOTPROD): Shift
32894	left one place.
32895	(AARCH64_ISA_SVE, TARGET_SVE): New macros.
32896	(FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add entries
32897	for VG and the SVE predicate registers.
32898	(V_ALIASES): Add a "z"-prefixed alias.
32899	(FIRST_PSEUDO_REGISTER): Change to P15_REGNUM + 1.
32900	(AARCH64_DWARF_VG, AARCH64_DWARF_P0): New macros.
32901	(PR_REGNUM_P, PR_LO_REGNUM_P): Likewise.
32902	(PR_LO_REGS, PR_HI_REGS, PR_REGS): New reg_classes.
32903	(REG_CLASS_NAMES): Add entries for them.
32904	(REG_CLASS_CONTENTS): Likewise.  Update ALL_REGS to include VG
32905	and the predicate registers.
32906	(aarch64_sve_vg): Declare.
32907	(BITS_PER_SVE_VECTOR, BYTES_PER_SVE_VECTOR, BYTES_PER_SVE_PRED)
32908	(SVE_BYTE_MODE, MAX_COMPILE_TIME_VEC_BYTES): New macros.
32909	(REGMODE_NATURAL_SIZE): Define.
32910	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
32911	SVE macros.
32912	* config/aarch64/aarch64.c: Include cfgrtl.h.
32913	(simd_immediate_info): Add a constructor for series vectors,
32914	and an associated step field.
32915	(aarch64_sve_vg): New variable.
32916	(aarch64_dbx_register_number): Handle VG and the predicate registers.
32917	(aarch64_vect_struct_mode_p, aarch64_vector_mode_p): Delete.
32918	(VEC_ADVSIMD, VEC_SVE_DATA, VEC_SVE_PRED, VEC_STRUCT, VEC_ANY_SVE)
32919	(VEC_ANY_DATA, VEC_STRUCT): New constants.
32920	(aarch64_advsimd_struct_mode_p, aarch64_sve_pred_mode_p)
32921	(aarch64_classify_vector_mode, aarch64_vector_data_mode_p)
32922	(aarch64_sve_data_mode_p, aarch64_sve_pred_mode)
32923	(aarch64_get_mask_mode): New functions.
32924	(aarch64_hard_regno_nregs): Handle SVE data modes for FP_REGS
32925	and FP_LO_REGS.  Handle PR_REGS, PR_LO_REGS and PR_HI_REGS.
32926	(aarch64_hard_regno_mode_ok): Handle VG.  Also handle the SVE
32927	predicate modes and predicate registers.  Explicitly restrict
32928	GPRs to modes of 16 bytes or smaller.  Only allow FP registers
32929	to store a vector mode if it is recognized by
32930	aarch64_classify_vector_mode.
32931	(aarch64_regmode_natural_size): New function.
32932	(aarch64_hard_regno_caller_save_mode): Return the original mode
32933	for predicates.
32934	(aarch64_sve_cnt_immediate_p, aarch64_output_sve_cnt_immediate)
32935	(aarch64_sve_addvl_addpl_immediate_p, aarch64_output_sve_addvl_addpl)
32936	(aarch64_sve_inc_dec_immediate_p, aarch64_output_sve_inc_dec_immediate)
32937	(aarch64_add_offset_1_temporaries, aarch64_offset_temporaries): New
32938	functions.
32939	(aarch64_add_offset): Add a temp2 parameter.  Assert that temp1
32940	does not overlap dest if the function is frame-related.  Handle
32941	SVE constants.
32942	(aarch64_split_add_offset): New function.
32943	(aarch64_add_sp, aarch64_sub_sp): Add temp2 parameters and pass
32944	them aarch64_add_offset.
32945	(aarch64_allocate_and_probe_stack_space): Add a temp2 parameter
32946	and update call to aarch64_sub_sp.
32947	(aarch64_add_cfa_expression): New function.
32948	(aarch64_expand_prologue): Pass extra temporary registers to the
32949	functions above.  Handle the case in which we need to emit new
32950	DW_CFA_expressions for registers that were originally saved
32951	relative to the stack pointer, but now have to be expressed
32952	relative to the frame pointer.
32953	(aarch64_output_mi_thunk): Pass extra temporary registers to the
32954	functions above.
32955	(aarch64_expand_epilogue): Likewise.  Prevent inheritance of
32956	IP0 and IP1 values for SVE frames.
32957	(aarch64_expand_vec_series): New function.
32958	(aarch64_expand_sve_widened_duplicate): Likewise.
32959	(aarch64_expand_sve_const_vector): Likewise.
32960	(aarch64_expand_mov_immediate): Add a gen_vec_duplicate parameter.
32961	Handle SVE constants.  Use emit_move_insn to move a force_const_mem
32962	into the register, rather than emitting a SET directly.
32963	(aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move)
32964	(aarch64_get_reg_raw_mode, offset_4bit_signed_scaled_p)
32965	(offset_6bit_unsigned_scaled_p, aarch64_offset_7bit_signed_scaled_p)
32966	(offset_9bit_signed_scaled_p): New functions.
32967	(aarch64_replicate_bitmask_imm): New function.
32968	(aarch64_bitmask_imm): Use it.
32969	(aarch64_cannot_force_const_mem): Reject expressions involving
32970	a CONST_POLY_INT.  Update call to aarch64_classify_symbol.
32971	(aarch64_classify_index): Handle SVE indices, by requiring
32972	a plain register index with a scale that matches the element size.
32973	(aarch64_classify_address): Handle SVE addresses.  Assert that
32974	the mode of the address is VOIDmode or an integer mode.
32975	Update call to aarch64_classify_symbol.
32976	(aarch64_classify_symbolic_expression): Update call to
32977	aarch64_classify_symbol.
32978	(aarch64_const_vec_all_in_range_p): New function.
32979	(aarch64_print_vector_float_operand): Likewise.
32980	(aarch64_print_operand): Handle 'N' and 'C'.  Use "zN" rather than
32981	"vN" for FP registers with SVE modes.  Handle (const ...) vectors
32982	and the FP immediates 1.0 and 0.5.
32983	(aarch64_print_address_internal): Handle SVE addresses.
32984	(aarch64_print_operand_address): Use ADDR_QUERY_ANY.
32985	(aarch64_regno_regclass): Handle predicate registers.
32986	(aarch64_secondary_reload): Handle big-endian reloads of SVE
32987	data modes.
32988	(aarch64_class_max_nregs): Handle SVE modes and predicate registers.
32989	(aarch64_rtx_costs): Check for ADDVL and ADDPL instructions.
32990	(aarch64_convert_sve_vector_bits): New function.
32991	(aarch64_override_options): Use it to handle -msve-vector-bits=.
32992	(aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT
32993	rather than an rtx.
32994	(aarch64_legitimate_constant_p): Use aarch64_classify_vector_mode.
32995	Handle SVE vector and predicate modes.  Accept VL-based constants
32996	that need only one temporary register, and VL offsets that require
32997	no temporary registers.
32998	(aarch64_conditional_register_usage): Mark the predicate registers
32999	as fixed if SVE isn't available.
33000	(aarch64_vector_mode_supported_p): Use aarch64_classify_vector_mode.
33001	Return true for SVE vector and predicate modes.
33002	(aarch64_simd_container_mode): Take the number of bits as a poly_int64
33003	rather than an unsigned int.  Handle SVE modes.
33004	(aarch64_preferred_simd_mode): Update call accordingly.  Handle
33005	SVE modes.
33006	(aarch64_autovectorize_vector_sizes): Add BYTES_PER_SVE_VECTOR
33007	if SVE is enabled.
33008	(aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p)
33009	(aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p)
33010	(aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p)
33011	(aarch64_sve_float_mul_immediate_p): New functions.
33012	(aarch64_sve_valid_immediate): New function.
33013	(aarch64_simd_valid_immediate): Use it as the fallback for SVE vectors.
33014	Explicitly reject structure modes.  Check for INDEX constants.
33015	Handle PTRUE and PFALSE constants.
33016	(aarch64_check_zero_based_sve_index_immediate): New function.
33017	(aarch64_simd_imm_zero_p): Delete.
33018	(aarch64_mov_operand_p): Use aarch64_simd_valid_immediate for
33019	vector modes.  Accept constants in the range of CNT[BHWD].
33020	(aarch64_simd_scalar_immediate_valid_for_move): Explicitly
33021	ask for an Advanced SIMD mode.
33022	(aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): New functions.
33023	(aarch64_simd_vector_alignment): Handle SVE predicates.
33024	(aarch64_vectorize_preferred_vector_alignment): New function.
33025	(aarch64_simd_vector_alignment_reachable): Use it instead of
33026	the vector size.
33027	(aarch64_shift_truncation_mask): Use aarch64_vector_data_mode_p.
33028	(aarch64_output_sve_mov_immediate, aarch64_output_ptrue): New
33029	functions.
33030	(MAX_VECT_LEN): Delete.
33031	(expand_vec_perm_d): Add a vec_flags field.
33032	(emit_unspec2, aarch64_expand_sve_vec_perm): New functions.
33033	(aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_zip)
33034	(aarch64_evpc_ext): Don't apply a big-endian lane correction
33035	for SVE modes.
33036	(aarch64_evpc_rev): Rename to...
33037	(aarch64_evpc_rev_local): ...this.  Use a predicated operation for SVE.
33038	(aarch64_evpc_rev_global): New function.
33039	(aarch64_evpc_dup): Enforce a 64-byte range for SVE DUP.
33040	(aarch64_evpc_tbl): Use MAX_COMPILE_TIME_VEC_BYTES instead of
33041	MAX_VECT_LEN.
33042	(aarch64_evpc_sve_tbl): New function.
33043	(aarch64_expand_vec_perm_const_1): Update after rename of
33044	aarch64_evpc_rev.  Handle SVE permutes too, trying
33045	aarch64_evpc_rev_global and using aarch64_evpc_sve_tbl rather
33046	than aarch64_evpc_tbl.
33047	(aarch64_vectorize_vec_perm_const): Initialize vec_flags.
33048	(aarch64_sve_cmp_operand_p, aarch64_unspec_cond_code)
33049	(aarch64_gen_unspec_cond, aarch64_expand_sve_vec_cmp_int)
33050	(aarch64_emit_unspec_cond, aarch64_emit_unspec_cond_or)
33051	(aarch64_emit_inverted_unspec_cond, aarch64_expand_sve_vec_cmp_float)
33052	(aarch64_expand_sve_vcond): New functions.
33053	(aarch64_modes_tieable_p): Use aarch64_vector_data_mode_p instead
33054	of aarch64_vector_mode_p.
33055	(aarch64_dwarf_poly_indeterminate_value): New function.
33056	(aarch64_compute_pressure_classes): Likewise.
33057	(aarch64_can_change_mode_class): Likewise.
33058	(TARGET_GET_RAW_RESULT_MODE, TARGET_GET_RAW_ARG_MODE): Redefine.
33059	(TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): Likewise.
33060	(TARGET_VECTORIZE_GET_MASK_MODE): Likewise.
33061	(TARGET_DWARF_POLY_INDETERMINATE_VALUE): Likewise.
33062	(TARGET_COMPUTE_PRESSURE_CLASSES): Likewise.
33063	(TARGET_CAN_CHANGE_MODE_CLASS): Likewise.
33064	* config/aarch64/constraints.md (Upa, Upl, Uav, Uat, Usv, Usi, Utr)
33065	(Uty, Dm, vsa, vsc, vsd, vsi, vsn, vsl, vsm, vsA, vsM, vsN): New
33066	constraints.
33067	(Dn, Dl, Dr): Accept const as well as const_vector.
33068	(Dz): Likewise.  Compare against CONST0_RTX.
33069	* config/aarch64/iterators.md: Refer to "Advanced SIMD" instead
33070	of "vector" where appropriate.
33071	(SVE_ALL, SVE_BH, SVE_BHS, SVE_BHSI, SVE_HSDI, SVE_HSF, SVE_SD)
33072	(SVE_SDI, SVE_I, SVE_F, PRED_ALL, PRED_BHS): New mode iterators.
33073	(UNSPEC_SEL, UNSPEC_ANDF, UNSPEC_IORF, UNSPEC_XORF, UNSPEC_COND_LT)
33074	(UNSPEC_COND_LE, UNSPEC_COND_EQ, UNSPEC_COND_NE, UNSPEC_COND_GE)
33075	(UNSPEC_COND_GT, UNSPEC_COND_LO, UNSPEC_COND_LS, UNSPEC_COND_HS)
33076	(UNSPEC_COND_HI, UNSPEC_COND_UO): New unspecs.
33077	(Vetype, VEL, Vel, VWIDE, Vwide, vw, vwcore, V_INT_EQUIV)
33078	(v_int_equiv): Extend to SVE modes.
33079	(Vesize, V128, v128, Vewtype, V_FP_EQUIV, v_fp_equiv, VPRED): New
33080	mode attributes.
33081	(LOGICAL_OR, SVE_INT_UNARY, SVE_FP_UNARY): New code iterators.
33082	(optab): Handle popcount, smin, smax, umin, umax, abs and sqrt.
33083	(logical_nn, lr, sve_int_op, sve_fp_op): New code attributs.
33084	(LOGICALF, OPTAB_PERMUTE, UNPACK, UNPACK_UNSIGNED, SVE_COND_INT_CMP)
33085	(SVE_COND_FP_CMP): New int iterators.
33086	(perm_hilo): Handle the new unpack unspecs.
33087	(optab, logicalf_op, su, perm_optab, cmp_op, imm_con): New int
33088	attributes.
33089	* config/aarch64/predicates.md (aarch64_sve_cnt_immediate)
33090	(aarch64_sve_addvl_addpl_immediate, aarch64_split_add_offset_immediate)
33091	(aarch64_pluslong_or_poly_operand, aarch64_nonmemory_operand)
33092	(aarch64_equality_operator, aarch64_constant_vector_operand)
33093	(aarch64_sve_ld1r_operand, aarch64_sve_ldr_operand): New predicates.
33094	(aarch64_sve_nonimmediate_operand): Likewise.
33095	(aarch64_sve_general_operand): Likewise.
33096	(aarch64_sve_dup_operand, aarch64_sve_arith_immediate): Likewise.
33097	(aarch64_sve_sub_arith_immediate, aarch64_sve_inc_dec_immediate)
33098	(aarch64_sve_logical_immediate, aarch64_sve_mul_immediate): Likewise.
33099	(aarch64_sve_dup_immediate, aarch64_sve_cmp_vsc_immediate): Likewise.
33100	(aarch64_sve_cmp_vsd_immediate, aarch64_sve_index_immediate): Likewise.
33101	(aarch64_sve_float_arith_immediate): Likewise.
33102	(aarch64_sve_float_arith_with_sub_immediate): Likewise.
33103	(aarch64_sve_float_mul_immediate, aarch64_sve_arith_operand): Likewise.
33104	(aarch64_sve_add_operand, aarch64_sve_logical_operand): Likewise.
33105	(aarch64_sve_lshift_operand, aarch64_sve_rshift_operand): Likewise.
33106	(aarch64_sve_mul_operand, aarch64_sve_cmp_vsc_operand): Likewise.
33107	(aarch64_sve_cmp_vsd_operand, aarch64_sve_index_operand): Likewise.
33108	(aarch64_sve_float_arith_operand): Likewise.
33109	(aarch64_sve_float_arith_with_sub_operand): Likewise.
33110	(aarch64_sve_float_mul_operand): Likewise.
33111	(aarch64_sve_vec_perm_operand): Likewise.
33112	(aarch64_pluslong_operand): Include aarch64_sve_addvl_addpl_immediate.
33113	(aarch64_mov_operand): Accept const_poly_int and const_vector.
33114	(aarch64_simd_lshift_imm, aarch64_simd_rshift_imm): Accept const
33115	as well as const_vector.
33116	(aarch64_simd_imm_zero, aarch64_simd_imm_minus_one): Move earlier
33117	in file.  Use CONST0_RTX and CONSTM1_RTX.
33118	(aarch64_simd_or_scalar_imm_zero): Likewise.  Add match_codes.
33119	(aarch64_simd_reg_or_zero): Accept const as well as const_vector.
33120	Use aarch64_simd_imm_zero.
33121	* config/aarch64/aarch64-sve.md: New file.
33122	* config/aarch64/aarch64.md: Include it.
33123	(VG_REGNUM, P0_REGNUM, P7_REGNUM, P15_REGNUM): New register numbers.
33124	(UNSPEC_REV, UNSPEC_LD1_SVE, UNSPEC_ST1_SVE, UNSPEC_MERGE_PTRUE)
33125	(UNSPEC_PTEST_PTRUE, UNSPEC_UNPACKSHI, UNSPEC_UNPACKUHI)
33126	(UNSPEC_UNPACKSLO, UNSPEC_UNPACKULO, UNSPEC_PACK)
33127	(UNSPEC_FLOAT_CONVERT, UNSPEC_WHILE_LO): New unspec constants.
33128	(sve): New attribute.
33129	(enabled): Disable instructions with the sve attribute unless
33130	TARGET_SVE.
33131	(movqi, movhi): Pass CONST_POLY_INT operaneds through
33132	aarch64_expand_mov_immediate.
33133	(*mov<mode>_aarch64, *movsi_aarch64, *movdi_aarch64): Handle
33134	CNT[BHSD] immediates.
33135	(movti): Split CONST_POLY_INT moves into two halves.
33136	(add<mode>3): Accept aarch64_pluslong_or_poly_operand.
33137	Split additions that need a temporary here if the destination
33138	is the stack pointer.
33139	(*add<mode>3_aarch64): Handle ADDVL and ADDPL immediates.
33140	(*add<mode>3_poly_1): New instruction.
33141	(set_clobber_cc): New expander.
33142
331432018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
33144
33145	* simplify-rtx.c (simplify_immed_subreg): Add an inner_bytes
33146	parameter and use it instead of GET_MODE_SIZE (innermode).  Use
33147	inner_bytes * BITS_PER_UNIT instead of GET_MODE_BITSIZE (innermode).
33148	Use CEIL (inner_bytes, GET_MODE_UNIT_SIZE (innermode)) instead of
33149	GET_MODE_NUNITS (innermode).  Also add a first_elem parameter.
33150	Change innermode from fixed_mode_size to machine_mode.
33151	(simplify_subreg): Update call accordingly.  Handle a constant-sized
33152	subreg of a variable-length CONST_VECTOR.
33153
331542018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
33155	    Alan Hayward  <alan.hayward@arm.com>
33156	    David Sherwood  <david.sherwood@arm.com>
33157
33158	* tree-ssa-address.c (mem_ref_valid_without_offset_p): New function.
33159	(add_offset_to_base): New function, split out from...
33160	(create_mem_ref): ...here.  When handling a scale other than 1,
33161	check first whether the address is valid without the offset.
33162	Add it into the base if so, leaving the index and scale as-is.
33163
331642018-01-12  Jakub Jelinek  <jakub@redhat.com>
33165
33166	PR c++/83778
33167	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Call
33168	fold_for_warn before checking if arg2 is INTEGER_CST.
33169
331702018-01-12  Segher Boessenkool  <segher@kernel.crashing.org>
33171
33172	* config/rs6000/predicates.md (load_multiple_operation): Delete.
33173	(store_multiple_operation): Delete.
33174	* config/rs6000/rs6000-cpus.def (601): Remove MASK_STRING.
33175	* config/rs6000/rs6000-protos.h (rs6000_output_load_multiple): Delete.
33176	* config/rs6000/rs6000-string.c (expand_block_move): Delete everything
33177	guarded by TARGET_STRING.
33178	(rs6000_output_load_multiple): Delete.
33179	* config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
33180	OPTION_MASK_STRING / TARGET_STRING handling.
33181	(print_operand) <'N', 'O'>: Add comment that these are unused now.
33182	(const rs6000_opt_masks) <"string">: Change mask to 0.
33183	* config/rs6000/rs6000.h (TARGET_DEFAULT): Remove MASK_STRING.
33184	(MASK_STRING): Delete.
33185	* config/rs6000/rs6000.md (*mov<mode>_string): Delete TARGET_STRING
33186	parts.  Simplify.
33187	(load_multiple): Delete.
33188	(*ldmsi8): Delete.
33189	(*ldmsi7): Delete.
33190	(*ldmsi6): Delete.
33191	(*ldmsi5): Delete.
33192	(*ldmsi4): Delete.
33193	(*ldmsi3): Delete.
33194	(store_multiple): Delete.
33195	(*stmsi8): Delete.
33196	(*stmsi7): Delete.
33197	(*stmsi6): Delete.
33198	(*stmsi5): Delete.
33199	(*stmsi4): Delete.
33200	(*stmsi3): Delete.
33201	(movmemsi_8reg): Delete.
33202	(corresponding unnamed define_insn): Delete.
33203	(movmemsi_6reg): Delete.
33204	(corresponding unnamed define_insn): Delete.
33205	(movmemsi_4reg): Delete.
33206	(corresponding unnamed define_insn): Delete.
33207	(movmemsi_2reg): Delete.
33208	(corresponding unnamed define_insn): Delete.
33209	(movmemsi_1reg): Delete.
33210	(corresponding unnamed define_insn): Delete.
33211	* config/rs6000/rs6000.opt (mno-string): New.
33212	(mstring): Replace by deprecation warning stub.
33213	* doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mstring.
33214
332152018-01-12  Jakub Jelinek  <jakub@redhat.com>
33216
33217	* regrename.c (regrename_do_replace): If replacing the same
33218	reg multiple times, try to reuse last created gen_raw_REG.
33219
33220	PR debug/81155
33221	* bb-reorder.c (pass_partition_blocks::gate): In lto don't partition
33222	main to workaround a bug in GDB.
33223
332242018-01-12  Tom de Vries  <tom@codesourcery.com>
33225
33226	PR target/83737
33227	* config.gcc (nvptx*-*-*): Set use_gcc_stdint=wrap.
33228
332292018-01-12  Vladimir Makarov  <vmakarov@redhat.com>
33230
33231	PR rtl-optimization/80481
33232	* ira-color.c (get_cap_member): New function.
33233	(allocnos_conflict_by_live_ranges_p): Use it.
33234	(slot_coalesced_allocno_live_ranges_intersect_p): Add assert.
33235	(setup_slot_coalesced_allocno_live_ranges): Ditto.
33236
332372018-01-12  Uros Bizjak  <ubizjak@gmail.com>
33238
33239	PR target/83628
33240	* config/alpha/alpha.md (*saddsi_1): New insn_ans_split pattern.
33241	(*saddl_se_1): Ditto.
33242	(*ssubsi_1): Ditto.
33243	(*ssubl_se_1): Ditto.
33244
332452018-01-12  Richard Sandiford  <richard.sandiford@linaro.org>
33246
33247	* tree-predcom.c (aff_combination_dr_offset): Use wi::to_poly_widest
33248	rather than wi::to_widest for DR_INITs.
33249	* tree-vect-data-refs.c (vect_find_same_alignment_drs): Use
33250	wi::to_poly_offset rather than wi::to_offset for DR_INIT.
33251	(vect_analyze_data_ref_accesses): Require both DR_INITs to be
33252	INTEGER_CSTs.
33253	(vect_analyze_group_access_1): Note that here.
33254
332552018-01-12  Richard Sandiford  <richard.sandiford@linaro.org>
33256
33257	* tree-vectorizer.c (get_vec_alignment_for_array_type): Handle
33258	polynomial type sizes.
33259
332602018-01-12  Richard Sandiford  <richard.sandiford@linaro.org>
33261
33262	* gimplify.c (gimple_add_tmp_var_fn): Allow variables to have a
33263	poly_uint64 size, rather than requiring an unsigned HOST_WIDE_INT size.
33264	(gimple_add_tmp_var): Likewise.
33265
332662018-01-12  Martin Liska  <mliska@suse.cz>
33267
33268	* gimple.c (gimple_alloc_counts): Use uint64_t instead of int.
33269	(gimple_alloc_sizes): Likewise.
33270	(dump_gimple_statistics): Use PRIu64 in printf format.
33271	* gimple.h: Change uint64_t to int.
33272
332732018-01-12  Martin Liska  <mliska@suse.cz>
33274
33275	* tree-core.h: Use uint64_t instead of int.
33276	* tree.c (tree_node_counts): Likewise.
33277	(tree_node_sizes): Likewise.
33278	(dump_tree_statistics): Use PRIu64 in printf format.
33279
332802018-01-12  Martin Liska  <mliska@suse.cz>
33281
33282	* Makefile.in: As qsort_chk is implemented in vec.c, add
33283	vec.o to linkage of gencfn-macros.
33284	* tree.c (build_new_poly_int_cst): Add CXX_MEM_STAT_INFO as it's
33285	passing the info to record_node_allocation_statistics.
33286	(test_vector_cst_patterns): Add CXX_MEM_STAT_INFO to declaration
33287	and pass the info.
33288	* ggc-common.c (struct ggc_usage): Add operator== and use
33289	it in operator< and compare function.
33290	* mem-stats.h (struct mem_usage): Likewise.
33291	* vec.c (struct vec_usage): Remove operator< and compare
33292	function. Can be simply inherited.
33293
332942018-01-12  Martin Jambor  <mjambor@suse.cz>
33295
33296	PR target/81616
33297	* params.def: New parameter PARAM_AVOID_FMA_MAX_BITS.
33298	* tree-ssa-math-opts.c: Include domwalk.h.
33299	(convert_mult_to_fma_1): New function.
33300	(fma_transformation_info): New type.
33301	(fma_deferring_state): Likewise.
33302	(cancel_fma_deferring): New function.
33303	(result_of_phi): Likewise.
33304	(last_fma_candidate_feeds_initial_phi): Likewise.
33305	(convert_mult_to_fma): Added deferring logic, split actual
33306	transformation to convert_mult_to_fma_1.
33307	(math_opts_dom_walker): New type.
33308	(math_opts_dom_walker::after_dom_children): New method, body moved
33309	here from pass_optimize_widening_mul::execute, added deferring logic
33310	bits.
33311	(pass_optimize_widening_mul::execute): Moved most of code to
33312	math_opts_dom_walker::after_dom_children.
33313	* config/i386/x86-tune.def (X86_TUNE_AVOID_128FMA_CHAINS): New.
33314	* config/i386/i386.c (ix86_option_override_internal): Added
33315	maybe_setting of PARAM_AVOID_FMA_MAX_BITS.
33316
333172018-01-12  Richard Biener  <rguenther@suse.de>
33318
33319	PR debug/83157
33320	* dwarf2out.c (gen_variable_die): Do not reset old_die for
33321	inline instance vars.
33322
333232018-01-12  Oleg Endo  <olegendo@gcc.gnu.org>
33324
33325	PR target/81819
33326	* config/rx/rx.c (rx_is_restricted_memory_address):
33327	Handle SUBREG case.
33328
333292018-01-12  Richard Biener  <rguenther@suse.de>
33330
33331	PR tree-optimization/80846
33332	* target.def (split_reduction): New target hook.
33333	* targhooks.c (default_split_reduction): New function.
33334	* targhooks.h (default_split_reduction): Declare.
33335	* tree-vect-loop.c (vect_create_epilog_for_reduction): If the
33336	target requests first reduce vectors by combining low and high
33337	parts.
33338	* tree-vect-stmts.c (vect_gen_perm_mask_any): Adjust.
33339	(get_vectype_for_scalar_type_and_size): Export.
33340	* tree-vectorizer.h (get_vectype_for_scalar_type_and_size): Declare.
33341	* doc/tm.texi.in (TARGET_VECTORIZE_SPLIT_REDUCTION): Document.
33342	* doc/tm.texi: Regenerate.
33343	* config/i386/i386.c (ix86_split_reduction): Implement
33344	TARGET_VECTORIZE_SPLIT_REDUCTION.
33345
333462018-01-12  Eric Botcazou  <ebotcazou@adacore.com>
33347
33348	PR target/83368
33349	* config/sparc/sparc.h (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM
33350	in PIC mode except for TARGET_VXWORKS_RTP.
33351	* config/sparc/sparc.c: Include cfgrtl.h.
33352	(TARGET_INIT_PIC_REG): Define.
33353	(TARGET_USE_PSEUDO_PIC_REG): Likewise.
33354	(sparc_pic_register_p): New predicate.
33355	(sparc_legitimate_address_p): Use it.
33356	(sparc_legitimize_pic_address): Likewise.
33357	(sparc_delegitimize_address): Likewise.
33358	(sparc_mode_dependent_address_p): Likewise.
33359	(gen_load_pcrel_sym): Remove 4th parameter.
33360	(load_got_register): Adjust call to above.  Remove obsolete stuff.
33361	(sparc_expand_prologue): Do not call load_got_register here.
33362	(sparc_flat_expand_prologue): Likewise.
33363	(sparc_output_mi_thunk): Set the pic_offset_table_rtx object.
33364	(sparc_use_pseudo_pic_reg): New function.
33365	(sparc_init_pic_reg): Likewise.
33366	* config/sparc/sparc.md (vxworks_load_got): Set the GOT register.
33367	(builtin_setjmp_receiver): Enable only for TARGET_VXWORKS_RTP.
33368
333692018-01-12  Christophe Lyon  <christophe.lyon@linaro.org>
33370
33371	* doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
33372	Add item for branch_cost.
33373
333742018-01-12  Eric Botcazou  <ebotcazou@adacore.com>
33375
33376	PR rtl-optimization/83565
33377	* rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do
33378	not extend the result to a larger mode for rotate operations.
33379	(num_sign_bit_copies1): Likewise.
33380
333812018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
33382
33383	PR target/40411
33384	* config/sol2.h (STARTFILE_ARCH_SPEC): Don't use with -shared or
33385	-symbolic.
33386	Use values-Xc.o for -pedantic.
33387	Link with values-xpg4.o for C90, values-xpg6.o otherwise.
33388
333892018-01-12  Martin Liska  <mliska@suse.cz>
33390
33391	PR ipa/83054
33392	* ipa-devirt.c (final_warning_record::grow_type_warnings):
33393	New function.
33394	(possible_polymorphic_call_targets): Use it.
33395	(ipa_devirt): Likewise.
33396
333972018-01-12  Martin Liska  <mliska@suse.cz>
33398
33399	* profile-count.h (enum profile_quality): Use 0 as invalid
33400	enum value of profile_quality.
33401
334022018-01-12  Chung-Ju Wu  <jasonwucj@gmail.com>
33403
33404	* doc/invoke.texi (NDS32 Options): Add -mext-perf, -mext-perf2 and
33405	-mext-string options.
33406
334072018-01-12  Richard Biener  <rguenther@suse.de>
33408
33409	* lto-streamer-out.c (DFS::DFS_write_tree_body): Process
33410	DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P.
33411	* tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
33412	Likewise.
33413	* tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
33414
334152018-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
33416
33417	* configure.ac (--with-long-double-format): Add support for the
33418	configuration option to change the default long double format on
33419	PowerPC systems.
33420	* config.gcc (powerpc*-linux*-*): Likewise.
33421	* configure: Regenerate.
33422	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If long
33423	double is IEEE, define __KC__ and __KF__ to allow floatn.h to be
33424	used without modification.
33425
334262018-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
33427
33428	* config/rs6000/rs6000-builtin.def (BU_P7_MISC_X): New #define.
33429	(SPEC_BARRIER): New instantiation of BU_P7_MISC_X.
33430	* config/rs6000/rs6000.c (rs6000_expand_builtin): Handle
33431	MISC_BUILTIN_SPEC_BARRIER.
33432	(rs6000_init_builtins): Likewise.
33433	* config/rs6000/rs6000.md (UNSPECV_SPEC_BARRIER): New UNSPECV
33434	enum value.
33435	(speculation_barrier): New define_insn.
33436	* doc/extend.texi: Document __builtin_speculation_barrier.
33437
334382018-01-11  Jakub Jelinek  <jakub@redhat.com>
33439
33440	PR target/83203
33441	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): If one_var
33442	is 0, for V{8,16}S[IF] and V[48]D[IF]mode use gen_vec_set<mode>_0.
33443	* config/i386/sse.md (VI8_AVX_AVX512F, VI4F_256_512): New mode
33444	iterators.
33445	(ssescalarmodesuffix): Add 512-bit vectors.  Use "d" or "q" for
33446	integral modes instead of "ss" and "sd".
33447	(vec_set<mode>_0): New define_insns for 256-bit and 512-bit
33448	vectors with 32-bit and 64-bit elements.
33449	(vecdupssescalarmodesuffix): New mode attribute.
33450	(vec_dup<mode>): Use it.
33451
334522018-01-11  H.J. Lu  <hongjiu.lu@intel.com>
33453
33454	PR target/83330
33455	* config/i386/i386.c (ix86_compute_frame_layout): Align stack
33456	frame if argument is passed on stack.
33457
334582018-01-11  Jakub Jelinek  <jakub@redhat.com>
33459
33460	PR target/82682
33461	* ree.c (combine_reaching_defs): Optimize also
33462	reg2=exp; reg1=reg2; reg2=any_extend(reg1); into
33463	reg2=any_extend(exp); reg1=reg2;, formatting fix.
33464
334652018-01-11  Jan Hubicka  <hubicka@ucw.cz>
33466
33467	PR middle-end/83189
33468	* gimple-ssa-isolate-paths.c (isolate_path): Fix profile update.
33469
334702018-01-11  Jan Hubicka  <hubicka@ucw.cz>
33471
33472	PR middle-end/83718
33473	* tree-inline.c (copy_cfg_body): Adjust num&den for scaling
33474	after they are computed.
33475
334762018-01-11  Bin Cheng  <bin.cheng@arm.com>
33477
33478	PR tree-optimization/83695
33479	* gimple-loop-linterchange.cc
33480	(tree_loop_interchange::interchange_loops): Call scev_reset_htab to
33481	reset cached scev information after interchange.
33482	(pass_linterchange::execute): Remove call to scev_reset_htab.
33483
334842018-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
33485
33486	* config/arm/arm_neon.h (vfmlal_lane_low_u32, vfmlal_lane_high_u32,
33487	vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32, vfmlal_laneq_low_u32,
33488	vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32, vfmlal_laneq_high_u32,
33489	vfmlsl_lane_low_u32, vfmlsl_lane_high_u32, vfmlslq_laneq_low_u32,
33490	vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32, vfmlslq_laneq_high_u32,
33491	vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32): Define.
33492	* config/arm/arm_neon_builtins.def (vfmal_lane_low,
33493	vfmal_lane_lowv4hf, vfmal_lane_lowv8hf, vfmal_lane_high,
33494	vfmal_lane_highv4hf, vfmal_lane_highv8hf, vfmsl_lane_low,
33495	vfmsl_lane_lowv4hf, vfmsl_lane_lowv8hf, vfmsl_lane_high,
33496	vfmsl_lane_highv4hf, vfmsl_lane_highv8hf): New sets of builtins.
33497	* config/arm/iterators.md (VFMLSEL2, vfmlsel2): New mode attributes.
33498	(V_lane_reg): Likewise.
33499	* config/arm/neon.md (neon_vfm<vfml_op>l_lane_<vfml_half><VCVTF:mode>):
33500	New define_expand.
33501	(neon_vfm<vfml_op>l_lane_<vfml_half><vfmlsel2><mode>): Likewise.
33502	(vfmal_lane_low<mode>_intrinsic,
33503	vfmal_lane_low<vfmlsel2><mode>_intrinsic,
33504	vfmal_lane_high<vfmlsel2><mode>_intrinsic,
33505	vfmal_lane_high<mode>_intrinsic, vfmsl_lane_low<mode>_intrinsic,
33506	vfmsl_lane_low<vfmlsel2><mode>_intrinsic,
33507	vfmsl_lane_high<vfmlsel2><mode>_intrinsic,
33508	vfmsl_lane_high<mode>_intrinsic): New define_insns.
33509
335102018-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
33511
33512	* config/arm/arm-cpus.in (fp16fml): New feature.
33513	(ALL_SIMD): Add fp16fml.
33514	(armv8.2-a): Add fp16fml as an option.
33515	(armv8.3-a): Likewise.
33516	(armv8.4-a): Add fp16fml as part of fp16.
33517	* config/arm/arm.h (TARGET_FP16FML): Define.
33518	* config/arm/arm-c.c (arm_cpu_builtins): Define __ARM_FEATURE_FP16_FML
33519	when appropriate.
33520	* config/arm/arm-modes.def (V2HF): Define.
33521	* config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
33522	vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32,
33523	vfmlslq_low_u32, vfmlalq_high_u32, vfmlslq_high_u32): Define.
33524	* config/arm/arm_neon_builtins.def (vfmal_low, vfmal_high,
33525	vfmsl_low, vfmsl_high): New set of builtins.
33526	* config/arm/iterators.md (PLUSMINUS): New code iterator.
33527	(vfml_op): New code attribute.
33528	(VFMLHALVES): New int iterator.
33529	(VFML, VFMLSEL): New mode attributes.
33530	(V_reg): Define mapping for V2HF.
33531	(V_hi, V_lo): New mode attributes.
33532	(VF_constraint): Likewise.
33533	(vfml_half, vfml_half_selector): New int attributes.
33534	* config/arm/neon.md (neon_vfm<vfml_op>l_<vfml_half><mode>): New
33535	define_expand.
33536	(vfmal_low<mode>_intrinsic, vfmsl_high<mode>_intrinsic,
33537	vfmal_high<mode>_intrinsic, vfmsl_low<mode>_intrinsic):
33538	New define_insn.
33539	* config/arm/t-arm-elf (v8_fps): Add fp16fml.
33540	* config/arm/t-multilib (v8_2_a_simd_variants): Add fp16fml.
33541	* config/arm/unspecs.md (UNSPEC_VFML_LO, UNSPEC_VFML_HI): New unspecs.
33542	* doc/invoke.texi (ARM Options): Document fp16fml.  Update armv8.4-a
33543	documentation.
33544	* doc/sourcebuild.texi (arm_fp16fml_neon_ok, arm_fp16fml_neon):
33545	Document new effective target and option set.
33546
335472018-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
33548
33549	* config/arm/arm-cpus.in (armv8_4): New feature.
33550	(ARMv8_4a): New fgroup.
33551	(armv8.4-a): New arch.
33552	* config/arm/arm-tables.opt: Regenerate.
33553	* config/arm/t-aprofile: Add matching rules for -march=armv8.4-a.
33554	* config/arm/t-arm-elf (all_v8_archs): Add armv8.4-a.
33555	* config/arm/t-multilib (v8_4_a_simd_variants): New variable.
33556	Add matching rules for -march=armv8.4-a and extensions.
33557	* doc/invoke.texi (ARM Options): Document -march=armv8.4-a.
33558
335592018-01-11  Oleg Endo  <olegendo@gcc.gnu.org>
33560
33561	PR target/81821
33562	* config/rx/rx.md (BW): New mode attribute.
33563	(sync_lock_test_and_setsi): Add mode suffix to insn output.
33564
335652018-01-11  Richard Biener  <rguenther@suse.de>
33566
33567	PR tree-optimization/83435
33568	* graphite.c (canonicalize_loop_form): Ignore fake loop exit edges.
33569	* graphite-scop-detection.c (scop_detection::get_sese): Likewise.
33570	* tree-vrp.c (add_assert_info): Drop TREE_OVERFLOW if they appear.
33571
335722018-01-11  Richard Sandiford  <richard.sandiford@linaro.org>
33573	    Alan Hayward  <alan.hayward@arm.com>
33574	    David Sherwood  <david.sherwood@arm.com>
33575
33576	* config/aarch64/aarch64.c (aarch64_address_info): Add a const_offset
33577	field.
33578	(aarch64_classify_address): Initialize it.  Track polynomial offsets.
33579	(aarch64_print_address_internal): Use it to check for a zero offset.
33580
335812018-01-11  Richard Sandiford  <richard.sandiford@linaro.org>
33582	    Alan Hayward  <alan.hayward@arm.com>
33583	    David Sherwood  <david.sherwood@arm.com>
33584
33585	* config/aarch64/aarch64-modes.def (NUM_POLY_INT_COEFFS): Set to 2.
33586	* config/aarch64/aarch64-protos.h (aarch64_initial_elimination_offset):
33587	Return a poly_int64 rather than a HOST_WIDE_INT.
33588	(aarch64_offset_7bit_signed_scaled_p): Take the offset as a poly_int64
33589	rather than a HOST_WIDE_INT.
33590	* config/aarch64/aarch64.h (aarch64_frame): Protect with
33591	HAVE_POLY_INT_H rather than HOST_WIDE_INT.  Change locals_offset,
33592	hard_fp_offset, frame_size, initial_adjust, callee_offset and
33593	final_offset from HOST_WIDE_INT to poly_int64.
33594	* config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
33595	to_constant when getting the number of units in an Advanced SIMD
33596	mode.
33597	(aarch64_builtin_vectorized_function): Check for a constant number
33598	of units.
33599	* config/aarch64/aarch64-simd.md (mov<mode>): Handle polynomial
33600	GET_MODE_SIZE.
33601	(aarch64_ld<VSTRUCT:nregs>_lane<VALLDIF:mode>): Use the nunits
33602	attribute instead of GET_MODE_NUNITS.
33603	* config/aarch64/aarch64.c (aarch64_hard_regno_nregs)
33604	(aarch64_class_max_nregs): Use the constant_lowest_bound of the
33605	GET_MODE_SIZE for fixed-size registers.
33606	(aarch64_const_vec_all_same_in_range_p): Use const_vec_duplicate_p.
33607	(aarch64_hard_regno_call_part_clobbered, aarch64_classify_index)
33608	(aarch64_mode_valid_for_sched_fusion_p, aarch64_classify_address)
33609	(aarch64_legitimize_address_displacement, aarch64_secondary_reload)
33610	(aarch64_print_operand, aarch64_print_address_internal)
33611	(aarch64_address_cost, aarch64_rtx_costs, aarch64_register_move_cost)
33612	(aarch64_short_vector_p, aapcs_vfp_sub_candidate)
33613	(aarch64_simd_attr_length_rglist, aarch64_operands_ok_for_ldpstp):
33614	Handle polynomial GET_MODE_SIZE.
33615	(aarch64_hard_regno_caller_save_mode): Likewise.  Return modes
33616	wider than SImode without modification.
33617	(tls_symbolic_operand_type): Use strip_offset instead of split_const.
33618	(aarch64_pass_by_reference, aarch64_layout_arg, aarch64_pad_reg_upward)
33619	(aarch64_gimplify_va_arg_expr): Assert that we don't yet handle
33620	passing and returning SVE modes.
33621	(aarch64_function_value, aarch64_layout_arg): Use gen_int_mode
33622	rather than GEN_INT.
33623	(aarch64_emit_probe_stack_range): Take the size as a poly_int64
33624	rather than a HOST_WIDE_INT, but call sorry if it isn't constant.
33625	(aarch64_allocate_and_probe_stack_space): Likewise.
33626	(aarch64_layout_frame): Cope with polynomial offsets.
33627	(aarch64_save_callee_saves, aarch64_restore_callee_saves): Take the
33628	start_offset as a poly_int64 rather than a HOST_WIDE_INT.  Track
33629	polynomial offsets.
33630	(offset_9bit_signed_unscaled_p, offset_12bit_unsigned_scaled_p)
33631	(aarch64_offset_7bit_signed_scaled_p): Take the offset as a
33632	poly_int64 rather than a HOST_WIDE_INT.
33633	(aarch64_get_separate_components, aarch64_process_components)
33634	(aarch64_expand_prologue, aarch64_expand_epilogue)
33635	(aarch64_use_return_insn_p): Handle polynomial frame offsets.
33636	(aarch64_anchor_offset): New function, split out from...
33637	(aarch64_legitimize_address): ...here.
33638	(aarch64_builtin_vectorization_cost): Handle polynomial
33639	TYPE_VECTOR_SUBPARTS.
33640	(aarch64_simd_check_vect_par_cnst_half): Handle polynomial
33641	GET_MODE_NUNITS.
33642	(aarch64_simd_make_constant, aarch64_expand_vector_init): Get the
33643	number of elements from the PARALLEL rather than the mode.
33644	(aarch64_shift_truncation_mask): Use GET_MODE_UNIT_BITSIZE
33645	rather than GET_MODE_BITSIZE.
33646	(aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_ext)
33647	(aarch64_evpc_rev, aarch64_evpc_dup, aarch64_evpc_zip)
33648	(aarch64_expand_vec_perm_const_1): Handle polynomial
33649	d->perm.length () and d->perm elements.
33650	(aarch64_evpc_tbl): Likewise.  Use nelt rather than GET_MODE_NUNITS.
33651	Apply to_constant to d->perm elements.
33652	(aarch64_simd_valid_immediate, aarch64_vec_fpconst_pow_of_2): Handle
33653	polynomial CONST_VECTOR_NUNITS.
33654	(aarch64_move_pointer): Take amount as a poly_int64 rather
33655	than an int.
33656	(aarch64_progress_pointer): Avoid temporary variable.
33657	* config/aarch64/aarch64.md (aarch64_<crc_variant>): Use
33658	the mode attribute instead of GET_MODE.
33659
336602018-01-11  Richard Sandiford  <richard.sandiford@linaro.org>
33661	    Alan Hayward  <alan.hayward@arm.com>
33662	    David Sherwood  <david.sherwood@arm.com>
33663
33664	* config/aarch64/aarch64.c (aarch64_force_temporary): Assert that
33665	x exists before using it.
33666	(aarch64_add_constant_internal): Rename to...
33667	(aarch64_add_offset_1): ...this.  Replace regnum with separate
33668	src and dest rtxes.  Handle the case in which they're different,
33669	including when the offset is zero.  Replace scratchreg with an rtx.
33670	Use 2 additions if there is no spare register into which we can
33671	move a 16-bit constant.
33672	(aarch64_add_constant): Delete.
33673	(aarch64_add_offset): Replace reg with separate src and dest
33674	rtxes.  Take a poly_int64 offset instead of a HOST_WIDE_INT.
33675	Use aarch64_add_offset_1.
33676	(aarch64_add_sp, aarch64_sub_sp): Take the scratch register as
33677	an rtx rather than an int.  Take the delta as a poly_int64
33678	rather than a HOST_WIDE_INT.  Use aarch64_add_offset.
33679	(aarch64_expand_mov_immediate): Update uses of aarch64_add_offset.
33680	(aarch64_expand_prologue): Update calls to aarch64_sub_sp,
33681	aarch64_allocate_and_probe_stack_space and aarch64_add_offset.
33682	(aarch64_expand_epilogue): Update calls to aarch64_add_offset
33683	and aarch64_add_sp.
33684	(aarch64_output_mi_thunk): Use aarch64_add_offset rather than
33685	aarch64_add_constant.
33686
336872018-01-11  Richard Sandiford  <richard.sandiford@linaro.org>
33688
33689	* config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
33690	Use scalar_float_mode.
33691
336922018-01-11  Richard Sandiford  <richard.sandiford@linaro.org>
33693
33694	* config/aarch64/aarch64-simd.md
33695	(aarch64_fml<f16mac1>l<f16quad>_low<mode>): Avoid GET_MODE_NUNITS.
33696	(aarch64_fml<f16mac1>l<f16quad>_high<mode>): Likewise.
33697	(aarch64_fml<f16mac1>l_lane_lowv2sf): Likewise.
33698	(aarch64_fml<f16mac1>l_lane_highv2sf): Likewise.
33699	(aarch64_fml<f16mac1>lq_laneq_lowv4sf): Likewise.
33700	(aarch64_fml<f16mac1>lq_laneq_highv4sf): Likewise.
33701	(aarch64_fml<f16mac1>l_laneq_lowv2sf): Likewise.
33702	(aarch64_fml<f16mac1>l_laneq_highv2sf): Likewise.
33703	(aarch64_fml<f16mac1>lq_lane_lowv4sf): Likewise.
33704	(aarch64_fml<f16mac1>lq_lane_highv4sf): Likewise.
33705
337062018-01-11  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
33707
33708	PR target/83514
33709	* config/arm/arm.c (arm_declare_function_name): Set arch_to_print if
33710	targ_options->x_arm_arch_string is non NULL.
33711
337122018-01-11  Tamar Christina  <tamar.christina@arm.com>
33713
33714	* config/aarch64/aarch64.h
33715	(AARCH64_FL_FOR_ARCH8_4): Add  AARCH64_FL_DOTPROD.
33716
337172018-01-11  Sudakshina Das  <sudi.das@arm.com>
33718
33719	PR target/82096
33720	* expmed.c (emit_store_flag_force): Swap if const op0
33721	and change VOIDmode to mode of op0.
33722
337232018-01-11  Richard Sandiford  <richard.sandiford@linaro.org>
33724
33725	PR rtl-optimization/83761
33726	* caller-save.c (replace_reg_with_saved_mem): Pass bits rather
33727	than bytes to mode_for_size.
33728
337292018-01-10  Jan Hubicka  <hubicka@ucw.cz>
33730
33731	PR middle-end/83189
33732	* gfortran.fortran-torture/compile/pr83189.f90: New testcase.
33733	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Handle zero
33734	profile.
33735
337362018-01-10  Jan Hubicka  <hubicka@ucw.cz>
33737
33738	PR middle-end/83575
33739	* cfgrtl.c (rtl_verify_edges): Only verify fixability of partition
33740	when in layout mode.
33741	(cfg_layout_finalize): Do not verify cfg before we are out of layout.
33742	* cfgcleanup.c (try_optimize_cfg): Only verify flow info when doing
33743	partition fixup.
33744
337452018-01-10  Michael Collison  <michael.collison@arm.com>
33746
33747	* config/aarch64/aarch64-modes.def (V2HF): New VECTOR_MODE.
33748	* config/aarch64/aarch64-option-extension.def: Add
33749	AARCH64_OPT_EXTENSION of 'fp16fml'.
33750	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
33751	(__ARM_FEATURE_FP16_FML): Define if TARGET_F16FML is true.
33752	* config/aarch64/predicates.md (aarch64_lane_imm3): New predicate.
33753	* config/aarch64/constraints.md (Ui7): New constraint.
33754	* config/aarch64/iterators.md (VFMLA_W): New mode iterator.
33755	(VFMLA_SEL_W): Ditto.
33756	(f16quad): Ditto.
33757	(f16mac1): Ditto.
33758	(VFMLA16_LOW): New int iterator.
33759	(VFMLA16_HIGH): Ditto.
33760	(UNSPEC_FMLAL): New unspec.
33761	(UNSPEC_FMLSL): Ditto.
33762	(UNSPEC_FMLAL2): Ditto.
33763	(UNSPEC_FMLSL2): Ditto.
33764	(f16mac): New code attribute.
33765	* config/aarch64/aarch64-simd-builtins.def
33766	(aarch64_fmlal_lowv2sf): Ditto.
33767	(aarch64_fmlsl_lowv2sf): Ditto.
33768	(aarch64_fmlalq_lowv4sf): Ditto.
33769	(aarch64_fmlslq_lowv4sf): Ditto.
33770	(aarch64_fmlal_highv2sf): Ditto.
33771	(aarch64_fmlsl_highv2sf): Ditto.
33772	(aarch64_fmlalq_highv4sf): Ditto.
33773	(aarch64_fmlslq_highv4sf): Ditto.
33774	(aarch64_fmlal_lane_lowv2sf): Ditto.
33775	(aarch64_fmlsl_lane_lowv2sf): Ditto.
33776	(aarch64_fmlal_laneq_lowv2sf): Ditto.
33777	(aarch64_fmlsl_laneq_lowv2sf): Ditto.
33778	(aarch64_fmlalq_lane_lowv4sf): Ditto.
33779	(aarch64_fmlsl_lane_lowv4sf): Ditto.
33780	(aarch64_fmlalq_laneq_lowv4sf): Ditto.
33781	(aarch64_fmlsl_laneq_lowv4sf): Ditto.
33782	(aarch64_fmlal_lane_highv2sf): Ditto.
33783	(aarch64_fmlsl_lane_highv2sf): Ditto.
33784	(aarch64_fmlal_laneq_highv2sf): Ditto.
33785	(aarch64_fmlsl_laneq_highv2sf): Ditto.
33786	(aarch64_fmlalq_lane_highv4sf): Ditto.
33787	(aarch64_fmlsl_lane_highv4sf): Ditto.
33788	(aarch64_fmlalq_laneq_highv4sf): Ditto.
33789	(aarch64_fmlsl_laneq_highv4sf): Ditto.
33790	* config/aarch64/aarch64-simd.md:
33791	(aarch64_fml<f16mac1>l<f16quad>_low<mode>): New pattern.
33792	(aarch64_fml<f16mac1>l<f16quad>_high<mode>): Ditto.
33793	(aarch64_simd_fml<f16mac1>l<f16quad>_low<mode>): Ditto.
33794	(aarch64_simd_fml<f16mac1>l<f16quad>_high<mode>): Ditto.
33795	(aarch64_fml<f16mac1>l_lane_lowv2sf): Ditto.
33796	(aarch64_fml<f16mac1>l_lane_highv2sf): Ditto.
33797	(aarch64_simd_fml<f16mac>l_lane_lowv2sf): Ditto.
33798	(aarch64_simd_fml<f16mac>l_lane_highv2sf): Ditto.
33799	(aarch64_fml<f16mac1>lq_laneq_lowv4sf): Ditto.
33800	(aarch64_fml<f16mac1>lq_laneq_highv4sf): Ditto.
33801	(aarch64_simd_fml<f16mac>lq_laneq_lowv4sf): Ditto.
33802	(aarch64_simd_fml<f16mac>lq_laneq_highv4sf): Ditto.
33803	(aarch64_fml<f16mac1>l_laneq_lowv2sf): Ditto.
33804	(aarch64_fml<f16mac1>l_laneq_highv2sf): Ditto.
33805	(aarch64_simd_fml<f16mac>l_laneq_lowv2sf): Ditto.
33806	(aarch64_simd_fml<f16mac>l_laneq_highv2sf): Ditto.
33807	(aarch64_fml<f16mac1>lq_lane_lowv4sf): Ditto.
33808	(aarch64_fml<f16mac1>lq_lane_highv4sf): Ditto.
33809	(aarch64_simd_fml<f16mac>lq_lane_lowv4sf): Ditto.
33810	(aarch64_simd_fml<f16mac>lq_lane_highv4sf): Ditto.
33811	* config/aarch64/arm_neon.h (vfmlal_low_u32): New intrinsic.
33812	(vfmlsl_low_u32): Ditto.
33813	(vfmlalq_low_u32): Ditto.
33814	(vfmlslq_low_u32): Ditto.
33815	(vfmlal_high_u32): Ditto.
33816	(vfmlsl_high_u32): Ditto.
33817	(vfmlalq_high_u32): Ditto.
33818	(vfmlslq_high_u32): Ditto.
33819	(vfmlal_lane_low_u32): Ditto.
33820	(vfmlsl_lane_low_u32): Ditto.
33821	(vfmlal_laneq_low_u32): Ditto.
33822	(vfmlsl_laneq_low_u32): Ditto.
33823	(vfmlalq_lane_low_u32): Ditto.
33824	(vfmlslq_lane_low_u32): Ditto.
33825	(vfmlalq_laneq_low_u32): Ditto.
33826	(vfmlslq_laneq_low_u32): Ditto.
33827	(vfmlal_lane_high_u32): Ditto.
33828	(vfmlsl_lane_high_u32): Ditto.
33829	(vfmlal_laneq_high_u32): Ditto.
33830	(vfmlsl_laneq_high_u32): Ditto.
33831	(vfmlalq_lane_high_u32): Ditto.
33832	(vfmlslq_lane_high_u32): Ditto.
33833	(vfmlalq_laneq_high_u32): Ditto.
33834	(vfmlslq_laneq_high_u32): Ditto.
33835	* config/aarch64/aarch64.h (AARCH64_FL_F16SML): New flag.
33836	(AARCH64_FL_FOR_ARCH8_4): New.
33837	(AARCH64_ISA_F16FML): New ISA flag.
33838	(TARGET_F16FML): New feature flag for fp16fml.
33839	(doc/invoke.texi): Document new fp16fml option.
33840
338412018-01-10  Michael Collison  <michael.collison@arm.com>
33842
33843	* config/aarch64/aarch64-builtins.c:
33844	(aarch64_types_ternopu_imm_qualifiers, TYPES_TERNOPUI): New.
33845	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
33846	(__ARM_FEATURE_SHA3): Define if TARGET_SHA3 is true.
33847	* config/aarch64/aarch64.h (AARCH64_FL_SHA3): New flags.
33848	(AARCH64_ISA_SHA3): New ISA flag.
33849	(TARGET_SHA3): New feature flag for sha3.
33850	* config/aarch64/iterators.md (sha512_op): New int attribute.
33851	(CRYPTO_SHA512): New int iterator.
33852	(UNSPEC_SHA512H): New unspec.
33853	(UNSPEC_SHA512H2): Ditto.
33854	(UNSPEC_SHA512SU0): Ditto.
33855	(UNSPEC_SHA512SU1): Ditto.
33856	* config/aarch64/aarch64-simd-builtins.def
33857	(aarch64_crypto_sha512hqv2di): New builtin.
33858	(aarch64_crypto_sha512h2qv2di): Ditto.
33859	(aarch64_crypto_sha512su0qv2di): Ditto.
33860	(aarch64_crypto_sha512su1qv2di): Ditto.
33861	(aarch64_eor3qv8hi): Ditto.
33862	(aarch64_rax1qv2di): Ditto.
33863	(aarch64_xarqv2di): Ditto.
33864	(aarch64_bcaxqv8hi): Ditto.
33865	* config/aarch64/aarch64-simd.md:
33866	(aarch64_crypto_sha512h<sha512_op>qv2di): New pattern.
33867	(aarch64_crypto_sha512su0qv2di): Ditto.
33868	(aarch64_crypto_sha512su1qv2di): Ditto.
33869	(aarch64_eor3qv8hi): Ditto.
33870	(aarch64_rax1qv2di): Ditto.
33871	(aarch64_xarqv2di): Ditto.
33872	(aarch64_bcaxqv8hi): Ditto.
33873	* config/aarch64/arm_neon.h (vsha512hq_u64): New intrinsic.
33874	(vsha512h2q_u64): Ditto.
33875	(vsha512su0q_u64): Ditto.
33876	(vsha512su1q_u64): Ditto.
33877	(veor3q_u16): Ditto.
33878	(vrax1q_u64): Ditto.
33879	(vxarq_u64): Ditto.
33880	(vbcaxq_u16): Ditto.
33881	* config/arm/types.md (crypto_sha512): New type attribute.
33882	(crypto_sha3): Ditto.
33883	(doc/invoke.texi): Document new sha3 option.
33884
338852018-01-10  Michael Collison  <michael.collison@arm.com>
33886
33887	* config/aarch64/aarch64-builtins.c:
33888	(aarch64_types_quadopu_imm_qualifiers, TYPES_QUADOPUI): New.
33889	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
33890	(__ARM_FEATURE_SM3): Define if TARGET_SM4 is true.
33891	(__ARM_FEATURE_SM4): Define if TARGET_SM4 is true.
33892	* config/aarch64/aarch64.h (AARCH64_FL_SM4): New flags.
33893	(AARCH64_ISA_SM4): New ISA flag.
33894	(TARGET_SM4): New feature flag for sm4.
33895	* config/aarch64/aarch64-simd-builtins.def
33896	(aarch64_sm3ss1qv4si): Ditto.
33897	(aarch64_sm3tt1aq4si): Ditto.
33898	(aarch64_sm3tt1bq4si): Ditto.
33899	(aarch64_sm3tt2aq4si): Ditto.
33900	(aarch64_sm3tt2bq4si): Ditto.
33901	(aarch64_sm3partw1qv4si): Ditto.
33902	(aarch64_sm3partw2qv4si): Ditto.
33903	(aarch64_sm4eqv4si): Ditto.
33904	(aarch64_sm4ekeyqv4si): Ditto.
33905	* config/aarch64/aarch64-simd.md:
33906	(aarch64_sm3ss1qv4si): Ditto.
33907	(aarch64_sm3tt<sm3tt_op>qv4si): Ditto.
33908	(aarch64_sm3partw<sm3part_op>qv4si): Ditto.
33909	(aarch64_sm4eqv4si): Ditto.
33910	(aarch64_sm4ekeyqv4si): Ditto.
33911	* config/aarch64/iterators.md (sm3tt_op): New int iterator.
33912	(sm3part_op): Ditto.
33913	(CRYPTO_SM3TT): Ditto.
33914	(CRYPTO_SM3PART): Ditto.
33915	(UNSPEC_SM3SS1): New unspec.
33916	(UNSPEC_SM3TT1A): Ditto.
33917	(UNSPEC_SM3TT1B): Ditto.
33918	(UNSPEC_SM3TT2A): Ditto.
33919	(UNSPEC_SM3TT2B): Ditto.
33920	(UNSPEC_SM3PARTW1): Ditto.
33921	(UNSPEC_SM3PARTW2): Ditto.
33922	(UNSPEC_SM4E): Ditto.
33923	(UNSPEC_SM4EKEY): Ditto.
33924	* config/aarch64/constraints.md (Ui2): New constraint.
33925	* config/aarch64/predicates.md (aarch64_imm2): New predicate.
33926	* config/arm/types.md (crypto_sm3): New type attribute.
33927	(crypto_sm4): Ditto.
33928	* config/aarch64/arm_neon.h (vsm3ss1q_u32): New intrinsic.
33929	(vsm3tt1aq_u32): Ditto.
33930	(vsm3tt1bq_u32): Ditto.
33931	(vsm3tt2aq_u32): Ditto.
33932	(vsm3tt2bq_u32): Ditto.
33933	(vsm3partw1q_u32): Ditto.
33934	(vsm3partw2q_u32): Ditto.
33935	(vsm4eq_u32): Ditto.
33936	(vsm4ekeyq_u32): Ditto.
33937	(doc/invoke.texi): Document new sm4 option.
33938
339392018-01-10  Michael Collison  <michael.collison@arm.com>
33940
33941	* config/aarch64/aarch64-arches.def (armv8.4-a): New architecture.
33942	* config/aarch64/aarch64.h (AARCH64_ISA_V8_4): New ISA flag.
33943	(AARCH64_FL_FOR_ARCH8_4): New.
33944	(AARCH64_FL_V8_4): New flag.
33945	(doc/invoke.texi): Document new armv8.4-a option.
33946
339472018-01-10  Michael Collison  <michael.collison@arm.com>
33948
33949	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
33950	(__ARM_FEATURE_AES): Define if TARGET_AES is true.
33951	(__ARM_FEATURE_SHA2): Define if TARGET_SHA2 is true.
33952	* config/aarch64/aarch64-option-extension.def: Add
33953	AARCH64_OPT_EXTENSION of 'sha2'.
33954	(aes): Add AARCH64_OPT_EXTENSION of 'aes'.
33955	(crypto): Disable sha2 and aes if crypto disabled.
33956	(crypto): Enable aes and sha2 if enabled.
33957	(simd): Disable sha2 and aes if simd disabled.
33958	* config/aarch64/aarch64.h (AARCH64_FL_AES, AARCH64_FL_SHA2):
33959	New flags.
33960	(AARCH64_ISA_AES, AARCH64_ISA_SHA2): New ISA flags.
33961	(TARGET_SHA2): New feature flag for sha2.
33962	(TARGET_AES): New feature flag for aes.
33963	* config/aarch64/aarch64-simd.md:
33964	(aarch64_crypto_aes<aes_op>v16qi): Make pattern
33965	conditional on TARGET_AES.
33966	(aarch64_crypto_aes<aesmc_op>v16qi): Ditto.
33967	(aarch64_crypto_sha1hsi): Make pattern conditional
33968	on TARGET_SHA2.
33969	(aarch64_crypto_sha1hv4si): Ditto.
33970	(aarch64_be_crypto_sha1hv4si): Ditto.
33971	(aarch64_crypto_sha1su1v4si): Ditto.
33972	(aarch64_crypto_sha1<sha1_op>v4si): Ditto.
33973	(aarch64_crypto_sha1su0v4si): Ditto.
33974	(aarch64_crypto_sha256h<sha256_op>v4si): Ditto.
33975	(aarch64_crypto_sha256su0v4si): Ditto.
33976	(aarch64_crypto_sha256su1v4si): Ditto.
33977	(doc/invoke.texi): Document new aes and sha2 options.
33978
339792018-01-10  Martin Sebor  <msebor@redhat.com>
33980
33981	PR tree-optimization/83781
33982	* gimple-fold.c (get_range_strlen): Avoid treating arrays of pointers
33983	as string arrays.
33984
339852018-01-11  Martin Sebor  <msebor@gmail.com>
33986	    Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
33987
33988	PR tree-optimization/83501
33989	PR tree-optimization/81703
33990
33991	* tree-ssa-strlen.c (get_string_cst): Rename...
33992	(get_string_len): ...to this.  Handle global constants.
33993	(handle_char_store): Adjust.
33994
339952018-01-10  Kito Cheng  <kito.cheng@gmail.com>
33996	    Jim Wilson  <jimw@sifive.com>
33997
33998	* config/riscv/riscv-protos.h (riscv_output_return): New.
33999	* config/riscv/riscv.c (struct machine_function): New naked_p field.
34000	(riscv_attribute_table, riscv_output_return),
34001	(riscv_handle_fndecl_attribute, riscv_naked_function_p),
34002	(riscv_allocate_stack_slots_for_args, riscv_warn_func_return): New.
34003	(riscv_compute_frame_info): Only compute frame->mask if not a naked
34004	function.
34005	(riscv_expand_prologue): Add early return for naked function.
34006	(riscv_expand_epilogue): Likewise.
34007	(riscv_function_ok_for_sibcall): Return false for naked function.
34008	(riscv_set_current_function): New.
34009	(TARGET_SET_CURRENT_FUNCTION, TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS),
34010	(TARGET_ATTRIBUTE_TABLE, TARGET_WARN_FUNC_RETURN): New.
34011	* config/riscv/riscv.md (simple_return): Call riscv_output_return.
34012	* doc/extend.texi (RISC-V Function Attributes): New.
34013
340142018-01-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
34015
34016	* config/rs6000/rs6000.c (is_complex_IBM_long_double): Explicitly
34017	check for 128-bit long double before checking TCmode.
34018	* config/rs6000/rs6000.h (FLOAT128_IEEE_P): Explicitly check for
34019	128-bit long doubles before checking TFmode or TCmode.
34020	(FLOAT128_IBM_P): Likewise.
34021
340222018-01-10  Martin Sebor  <msebor@redhat.com>
34023
34024	PR tree-optimization/83671
34025	* builtins.c (c_strlen): Unconditionally return zero for the empty
34026	string.
34027	Use -Warray-bounds for warnings.
34028	* gimple-fold.c (get_range_strlen): Handle non-constant lengths
34029	for non-constant array indices with COMPONENT_REF, arrays of
34030	arrays, and pointers to arrays.
34031	(gimple_fold_builtin_strlen): Determine and set length range for
34032	non-constant character arrays.
34033
340342018-01-10  Aldy Hernandez  <aldyh@redhat.com>
34035
34036	PR middle-end/81897
34037	* tree-ssa-uninit.c (convert_control_dep_chain_into_preds): Skip
34038	empty blocks.
34039
340402018-01-10  Eric Botcazou  <ebotcazou@adacore.com>
34041
34042	* dwarf2out.c (dwarf2out_var_location): Do not pass NULL to fprintf.
34043
340442018-01-10  Peter Bergner  <bergner@vnet.ibm.com>
34045
34046	PR target/83399
34047	* config/rs6000/rs6000.c (print_operand) <'y'>: Use
34048	VECTOR_MEM_ALTIVEC_OR_VSX_P.
34049	* config/rs6000/vsx.md (*vsx_le_perm_load_<mode> for VSX_D): Use
34050	indexed_or_indirect_operand predicate.
34051	(*vsx_le_perm_load_<mode> for VSX_W): Likewise.
34052	(*vsx_le_perm_load_v8hi): Likewise.
34053	(*vsx_le_perm_load_v16qi): Likewise.
34054	(*vsx_le_perm_store_<mode> for VSX_D): Likewise.
34055	(*vsx_le_perm_store_<mode> for VSX_W): Likewise.
34056	(*vsx_le_perm_store_v8hi): Likewise.
34057	(*vsx_le_perm_store_v16qi): Likewise.
34058	(eight unnamed splitters): Likewise.
34059
340602018-01-10  Peter Bergner  <bergner@vnet.ibm.com>
34061
34062	* config/rs6000/x86intrin.h: Change #warning to #error. Update message.
34063	* config/rs6000/emmintrin.h: Likewise.
34064	* config/rs6000/mmintrin.h: Likewise.
34065	* config/rs6000/xmmintrin.h: Likewise.
34066
340672018-01-10  David Malcolm  <dmalcolm@redhat.com>
34068
34069	PR c++/43486
34070	* tree-core.h: Document EXPR_LOCATION_WRAPPER_P's usage of
34071	"public_flag".
34072	* tree.c (tree_nop_conversion): Return true for location wrapper
34073	nodes.
34074	(maybe_wrap_with_location): New function.
34075	(selftest::check_strip_nops): New function.
34076	(selftest::test_location_wrappers): New function.
34077	(selftest::tree_c_tests): Call it.
34078	* tree.h (STRIP_ANY_LOCATION_WRAPPER): New macro.
34079	(maybe_wrap_with_location): New decl.
34080	(EXPR_LOCATION_WRAPPER_P): New macro.
34081	(location_wrapper_p): New inline function.
34082	(tree_strip_any_location_wrapper): New inline function.
34083
340842018-01-10  H.J. Lu  <hongjiu.lu@intel.com>
34085
34086	PR target/83735
34087	* config/i386/i386.c (ix86_compute_frame_layout): Always adjust
34088	stack_realign_offset for the largest alignment of stack slot
34089	actually used.
34090	(ix86_find_max_used_stack_alignment): New function.
34091	(ix86_finalize_stack_frame_flags): Use it.  Set
34092	max_used_stack_alignment if we don't realign stack.
34093	* config/i386/i386.h (machine_function): Add
34094	max_used_stack_alignment.
34095
340962018-01-10  Christophe Lyon  <christophe.lyon@linaro.org>
34097
34098	* config/arm/arm.opt (-mbranch-cost): New option.
34099	* config/arm/arm.h (BRANCH_COST): Take arm_branch_cost into
34100	account.
34101
341022018-01-10  Segher Boessenkool  <segher@kernel.crashing.org>
34103
34104	PR target/83629
34105	* config/rs6000/rs6000.md (load_toc_v4_PIC_2, load_toc_v4_PIC_3b,
34106	load_toc_v4_PIC_3c): Wrap const term in CONST RTL.
34107
341082018-01-10  Richard Biener  <rguenther@suse.de>
34109
34110	PR debug/83765
34111	* dwarf2out.c (gen_subprogram_die): Hoist old_die && declaration
34112	early out so it also covers the case where we have a non-NULL
34113	origin.
34114
341152018-01-10  Richard Sandiford  <richard.sandiford@linaro.org>
34116
34117	PR tree-optimization/83753
34118	* tree-vect-stmts.c (get_group_load_store_type): Use VMAT_CONTIGUOUS
34119	for non-strided grouped accesses if the number of elements is 1.
34120
341212018-01-10  Jan Hubicka  <hubicka@ucw.cz>
34122
34123	PR target/81616
34124	* i386.c (ix86_vectorize_builtin_gather): Check TARGET_USE_GATHER.
34125	* i386.h (TARGET_USE_GATHER): Define.
34126	* x86-tune.def (X86_TUNE_USE_GATHER): New.
34127
341282018-01-10  Martin Liska  <mliska@suse.cz>
34129
34130	PR bootstrap/82831
34131	* basic-block.h (CLEANUP_NO_PARTITIONING): New define.
34132	* bb-reorder.c (pass_reorder_blocks::execute): Do not clean up
34133	partitioning.
34134	* cfgcleanup.c (try_optimize_cfg): Fix up partitioning if
34135	CLEANUP_NO_PARTITIONING is not set.
34136
341372018-01-10  Richard Sandiford  <richard.sandiford@linaro.org>
34138
34139	* doc/rtl.texi: Remove documentation of (const ...) wrappers
34140	for vectors, as a partial revert of r254296.
34141	* rtl.h (const_vec_p): Delete.
34142	(const_vec_duplicate_p): Don't test for vector CONSTs.
34143	(unwrap_const_vec_duplicate, const_vec_series_p): Likewise.
34144	* expmed.c (make_tree): Likewise.
34145
34146	Revert:
34147	* common.md (E, F): Use CONSTANT_P instead of checking for
34148	CONST_VECTOR.
34149	* emit-rtl.c (gen_lowpart_common): Use const_vec_p instead of
34150	checking for CONST_VECTOR.
34151
341522018-01-09  Jan Hubicka  <hubicka@ucw.cz>
34153
34154	PR middle-end/83575
34155	* predict.c (force_edge_cold): Handle in more sane way edges
34156	with no prediction.
34157
341582018-01-09  Carl Love  <cel@us.ibm.com>
34159
34160	* config/rs6002/altivec.md (p8_vmrgow): Add support for V2DI, V2DF,
34161	V4SI, V4SF types.
34162	(p8_vmrgew): Add support for V2DI, V2DF, V4SF types.
34163	* config/rs6000/rs6000-builtin.def: Add definitions for FLOAT2_V2DF,
34164	VMRGEW_V2DI, VMRGEW_V2DF, VMRGEW_V4SF, VMRGOW_V4SI, VMRGOW_V4SF,
34165	VMRGOW_V2DI, VMRGOW_V2DF.  Remove definition for VMRGOW.
34166	* config/rs6000/rs6000-c.c (VSX_BUILTIN_VEC_FLOAT2,
34167	P8V_BUILTIN_VEC_VMRGEW, P8V_BUILTIN_VEC_VMRGOW):  Add definitions.
34168	* config/rs6000/rs6000-protos.h: Add extern defition for
34169	rs6000_generate_float2_double_code.
34170	* config/rs6000/rs6000.c (rs6000_generate_float2_double_code): Add
34171	function.
34172	* config/rs6000/vsx.md (vsx_xvcdpsp): Add define_insn.
34173	(float2_v2df): Add define_expand.
34174
341752018-01-09  Uros Bizjak  <ubizjak@gmail.com>
34176
34177	PR target/83628
34178	* combine.c (force_int_to_mode) <case ASHIFT>: Use mode instead of
34179	op_mode in the force_to_mode call.
34180
341812018-01-09  Richard Sandiford  <richard.sandiford@linaro.org>
34182
34183	* config/aarch64/aarch64.c (aarch64_evpc_trn): Use d.perm.series_p
34184	instead of checking each element individually.
34185	(aarch64_evpc_uzp): Likewise.
34186	(aarch64_evpc_zip): Likewise.
34187	(aarch64_evpc_ext): Likewise.
34188	(aarch64_evpc_rev): Likewise.
34189	(aarch64_evpc_dup): Test the encoding for a single duplicated element,
34190	instead of checking each element individually.  Return true without
34191	generating rtl if
34192	(aarch64_vectorize_vec_perm_const): Use all_from_input_p to test
34193	whether all selected elements come from the same input, instead of
34194	checking each element individually.  Remove calls to gen_rtx_REG,
34195	start_sequence and end_sequence and instead assert that no rtl is
34196	generated.
34197
341982018-01-09  Richard Sandiford  <richard.sandiford@linaro.org>
34199
34200	* config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Fix
34201	order of HIGH and CONST checks.
34202
342032018-01-09  Richard Sandiford  <richard.sandiford@linaro.org>
34204
34205	* tree-vect-stmts.c (permute_vec_elements): Create a fresh variable
34206	if the destination isn't an SSA_NAME.
34207
342082018-01-09  Richard Biener  <rguenther@suse.de>
34209
34210	PR tree-optimization/83668
34211	* graphite.c (canonicalize_loop_closed_ssa): Add edge argument,
34212	move prologue...
34213	(canonicalize_loop_form): ... here, renamed from ...
34214	(canonicalize_loop_closed_ssa_form): ... this and amended to
34215	swap successor edges for loop exit blocks to make us use
34216	the RPO order we need for initial schedule generation.
34217
342182018-01-09  Joseph Myers  <joseph@codesourcery.com>
34219
34220	PR tree-optimization/64811
34221	* match.pd: When optimizing comparisons with Inf, avoid
34222	introducing or losing exceptions from comparisons with NaN.
34223
342242018-01-09  Martin Liska  <mliska@suse.cz>
34225
34226	PR sanitizer/82517
34227	* asan.c (shadow_mem_size): Add gcc_assert.
34228
342292018-01-09  Georg-Johann Lay  <avr@gjlay.de>
34230
34231	Don't save registers in main().
34232
34233	PR target/83738
34234	* doc/invoke.texi (AVR Options) [-mmain-is-OS_task]: Document it.
34235	* config/avr/avr.opt (-mmain-is-OS_task): New target option.
34236	* config/avr/avr.c (avr_set_current_function): Don't error if
34237	naked, OS_task or OS_main are specified at the same time.
34238	(avr_function_ok_for_sibcall): Don't disable sibcalls for OS_task,
34239	OS_main.
34240	(avr_insert_attributes) [-mmain-is-OS_task] <main>: Add OS_task
34241	attribute.
34242	* common/config/avr/avr-common.c (avr_option_optimization_table):
34243	Switch on -mmain-is-OS_task for optimizing compilations.
34244
342452018-01-09  Richard Biener  <rguenther@suse.de>
34246
34247	PR tree-optimization/83572
34248	* graphite.c: Include cfganal.h.
34249	(graphite_transform_loops): Connect infinite loops to exit
34250	and remove fake edges at the end.
34251
342522018-01-09  Jan Hubicka  <hubicka@ucw.cz>
34253
34254	* ipa-inline.c (edge_badness): Revert accidental checkin.
34255
342562018-01-09  Jan Hubicka  <hubicka@ucw.cz>
34257
34258	PR ipa/80763
34259	* ipa-comdats.c (set_comdat_group): Only set comdat group of real
34260	symbols; not inline clones.
34261
342622018-01-09  Jakub Jelinek  <jakub@redhat.com>
34263
34264	PR target/83507
34265	* modulo-sched.c (schedule_reg_moves): Punt if we'd need to move
34266	hard registers.  Formatting fixes.
34267
34268	PR preprocessor/83722
34269	* gcc.c (try_generate_repro): Pass
34270	&temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than
34271	&temp_stdout_files[RETRY_ICE_ATTEMPTS - 1] as last argument to
34272	do_report_bug.
34273
342742018-01-08  Monk Chiang  <sh.chiang04@gmail.com>
34275	    Kito Cheng  <kito.cheng@gmail.com>
34276
34277	* config/riscv/riscv.c (machine_function::is_leaf): Remove field.
34278	(riscv_leaf_function_p): Delete.
34279	(riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE.
34280
342812018-01-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
34282
34283	* config/rs6000/rs6000-string.c (do_load_for_compare_from_addr): New
34284	function.
34285	(do_ifelse): New function.
34286	(do_isel): New function.
34287	(do_sub3): New function.
34288	(do_add3): New function.
34289	(do_load_mask_compare): New function.
34290	(do_overlap_load_compare): New function.
34291	(expand_compare_loop): New function.
34292	(expand_block_compare): Call expand_compare_loop() when appropriate.
34293	* config/rs6000/rs6000.opt (-mblock-compare-inline-limit): Change
34294	option description.
34295	(-mblock-compare-inline-loop-limit): New option.
34296
342972018-01-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
34298
34299	PR target/83677
34300	* config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
34301	Reverse order of second and third operands in first alternative.
34302	* config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order
34303	of first and second elements in UNSPEC_VPERMR vector.
34304	(altivec_expand_vec_perm_le): Likewise.
34305
343062018-01-08  Jeff Law  <law@redhat.com>
34307
34308	PR rtl-optimizatin/81308
34309	* tree-switch-conversion.c (cfg_altered): New file scoped static.
34310	(process_switch): If group_case_labels makes a change, then set
34311	cfg_altered.
34312	(pass_convert_switch::execute): If a switch is converted, then
34313	set cfg_altered.  Return TODO_cfg_cleanup if cfg_altered is true.
34314
34315	PR rtl-optimization/81308
34316	* recog.c (split_all_insns): Conditionally cleanup the CFG after
34317	splitting insns.
34318
343192018-01-08  Vidya Praveen  <vidyapraveen@arm.com>
34320
34321	PR target/83663 - Revert r255946
34322	* config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify code
34323	generation for cases where splatting a value is not useful.
34324	* simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge
34325	across a vec_duplicate and a paradoxical subreg forming a vector
34326	mode to a vec_concat.
34327
343282018-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
34329
34330	* config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping rules for
34331	-march=armv8.3-a variants.
34332	* config/arm/t-multilib: Likewise.
34333	* config/arm/t-arm-elf: Likewise.  Handle dotprod extension.
34334
343352018-01-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
34336
34337	* config/rs6000/rs6000.md (cceq_ior_compare): Remove * so I can use it
34338	to generate rtl.
34339	(cceq_ior_compare_complement): Give it a name so I can use it, and
34340	change boolean_or_operator predicate to boolean_operator so it can
34341	be used to generate a crand.
34342	(eqne): New code iterator.
34343	(bd/bd_neg): New code_attrs.
34344	(<bd>_<mode>): New name for ctr<mode>_internal[12] now combined into
34345	a single define_insn.
34346	(<bd>tf_<mode>): A new insn pattern for the conditional form branch
34347	decrement (bdnzt/bdnzf/bdzt/bdzf).
34348	* config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Updated
34349	with the new names of the branch decrement patterns, and added the
34350	names of the branch decrement conditional patterns.
34351
343522018-01-08  Richard Biener  <rguenther@suse.de>
34353
34354	PR tree-optimization/83563
34355	* graphite.c (canonicalize_loop_closed_ssa_form): Reset the SCEV
34356	cache.
34357
343582018-01-08  Richard Biener  <rguenther@suse.de>
34359
34360	PR middle-end/83713
34361	* convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks.
34362
343632018-01-08  Richard Biener  <rguenther@suse.de>
34364
34365	PR tree-optimization/83685
34366	* tree-ssa-pre.c (create_expression_by_pieces): Do not insert
34367	references to abnormals.
34368
343692018-01-08  Richard Biener  <rguenther@suse.de>
34370
34371	PR lto/83719
34372	* dwarf2out.c (output_indirect_strings): Handle empty
34373	skeleton_debug_str_hash.
34374	(dwarf2out_early_finish): Index strings for -gsplit-dwarf.
34375
343762018-01-08  Claudiu Zissulescu  <claziss@synopsys.com>
34377
34378	* config/arc/arc.c (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Delete.
34379	(emit_store_direct): Likewise.
34380	(arc_trampoline_adjust_address): Likewise.
34381	(arc_asm_trampoline_template): New function.
34382	(arc_initialize_trampoline): Use asm_trampoline_template.
34383	(TARGET_ASM_TRAMPOLINE_TEMPLATE): Define.
34384	* config/arc/arc.h (TRAMPOLINE_SIZE): Adjust to 16.
34385	* config/arc/arc.md (flush_icache): Delete pattern.
34386
343872018-01-08  Claudiu Zissulescu  <claziss@synopsys.com>
34388
34389	* config/arc/arc-c.def (__ARC_UNALIGNED__): New define.
34390	* config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using
34391	munaligned-access.
34392
343932018-01-08  Sebastian Huber  <sebastian.huber@embedded-brains.de>
34394
34395	PR target/83681
34396	* config/epiphany/epiphany.h (make_pass_mode_switch_use): Guard
34397	by not USED_FOR_TARGET.
34398	(make_pass_resolve_sw_modes): Likewise.
34399
344002018-01-08  Sebastian Huber  <sebastian.huber@embedded-brains.de>
34401
34402	* config/nios2/nios2.h (nios2_section_threshold): Guard by not
34403	USED_FOR_TARGET.
34404
344052018-01-08  Richard Biener  <rguenther@suse.de>
34406
34407	PR middle-end/83580
34408	* tree-data-ref.c (split_constant_offset): Remove STRIP_NOPS.
34409
344102018-01-08  Richard Biener  <rguenther@suse.de>
34411
34412	PR middle-end/83517
34413	* match.pd ((t * 2) / 2) -> t): Add missing :c.
34414
344152018-01-06  Aldy Hernandez  <aldyh@redhat.com>
34416
34417	PR middle-end/81897
34418	* tree-ssa-uninit.c (compute_control_dep_chain): Do not bail on
34419	basic blocks with a small number of successors.
34420	(convert_control_dep_chain_into_preds): Improve handling of
34421	forwarder blocks.
34422	(dump_predicates): Split apart into...
34423	(dump_pred_chain): ...here...
34424	(dump_pred_info): ...and here.
34425	(can_one_predicate_be_invalidated_p): Add debugging printfs.
34426	(can_chain_union_be_invalidated_p): Improve check for invalidation
34427	of paths.
34428	(uninit_uses_cannot_happen): Avoid unnecessary if
34429	convert_control_dep_chain_into_preds yielded nothing.
34430
344312018-01-06  Martin Sebor  <msebor@redhat.com>
34432
34433	PR tree-optimization/83640
34434	* gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Avoid
34435	subtracting negative offset from size.
34436	(builtin_access::overlap): Adjust offset bounds of the access to fall
34437	within the size of the object if possible.
34438
344392018-01-06  Richard Sandiford  <richard.sandiford@linaro.org>
34440
34441	PR rtl-optimization/83699
34442	* expmed.c (extract_bit_field_1): Restrict the vector usage of
34443	extract_bit_field_as_subreg to cases in which the extracted
34444	value is also a vector.
34445
34446	* lra-constraints.c (process_alt_operands): Test for the equivalence
34447	substitutions when detecting a possible reload cycle.
34448
344492018-01-06  Jakub Jelinek  <jakub@redhat.com>
34450
34451	PR debug/83480
34452	* toplev.c (process_options): Don't enable debug_nonbind_markers_p
34453	by default if flag_selective_schedling{,2}.  Formatting fixes.
34454
34455	PR rtl-optimization/83682
34456	* rtl.h (const_vec_duplicate_p): Only return true for VEC_DUPLICATE
34457	if it has non-VECTOR_MODE element mode.
34458	(vec_duplicate_p): Likewise.
34459
34460	PR middle-end/83694
34461	* cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode
34462	and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT.
34463
344642018-01-05  Jakub Jelinek  <jakub@redhat.com>
34465
34466	PR target/83604
34467	* config/i386/i386-builtin.def
34468	(__builtin_ia32_vgf2p8affineinvqb_v64qi,
34469	__builtin_ia32_vgf2p8affineqb_v64qi, __builtin_ia32_vgf2p8mulb_v64qi):
34470	Require also OPTION_MASK_ISA_AVX512F in addition to
34471	OPTION_MASK_ISA_GFNI.
34472	(__builtin_ia32_vgf2p8affineinvqb_v16qi_mask,
34473	__builtin_ia32_vgf2p8affineqb_v16qi_mask): Require
34474	OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_SSE in addition
34475	to OPTION_MASK_ISA_GFNI.
34476	(__builtin_ia32_vgf2p8mulb_v32qi_mask): Require
34477	OPTION_MASK_ISA_AVX512VL in addition to OPTION_MASK_ISA_GFNI and
34478	OPTION_MASK_ISA_AVX512BW.
34479	(__builtin_ia32_vgf2p8mulb_v16qi_mask): Require
34480	OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_AVX512BW in
34481	addition to OPTION_MASK_ISA_GFNI.
34482	(__builtin_ia32_vgf2p8affineinvqb_v16qi,
34483	__builtin_ia32_vgf2p8affineqb_v16qi, __builtin_ia32_vgf2p8mulb_v16qi):
34484	Require OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_SSE in addition
34485	to OPTION_MASK_ISA_GFNI.
34486	* config/i386/i386.c (def_builtin): Change to builtin isa/isa2 being
34487	a requirement for all ISAs rather than any of them with a few
34488	exceptions.
34489	(ix86_add_new_builtins): Clear OPTION_MASK_ISA_64BIT from isa before
34490	processing.
34491	(ix86_expand_builtin): Require all ISAs from builtin's isa and isa2
34492	bitmasks to be enabled with 3 exceptions, instead of requiring any
34493	enabled ISA with lots of exceptions.
34494	* config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
34495	vgf2p8affineqb_<mode><mask_name>, vgf2p8mulb_<mode><mask_name>):
34496	Change avx512bw in isa attribute to avx512f.
34497	* config/i386/sgxintrin.h: Add license boilerplate.
34498	* config/i386/vaesintrin.h: Likewise.  Fix macro spelling __AVX512F
34499	to __AVX512F__ and __AVX512VL to __AVX512VL__.
34500	(_mm256_aesdec_epi128, _mm256_aesdeclast_epi128, _mm256_aesenc_epi128,
34501	_mm256_aesenclast_epi128): Enable temporarily avx if __AVX__ is not
34502	defined.
34503	* config/i386/gfniintrin.h (_mm_gf2p8mul_epi8,
34504	_mm_gf2p8affineinv_epi64_epi8, _mm_gf2p8affine_epi64_epi8): Enable
34505	temporarily sse2 rather than sse if not enabled already.
34506
34507	PR target/83604
34508	* config/i386/sse.md (VI248_VLBW): Rename to ...
34509	(VI248_AVX512VL): ... this.  Don't guard V32HI with TARGET_AVX512BW.
34510	(vpshrd_<mode><mask_name>, vpshld_<mode><mask_name>,
34511	vpshrdv_<mode>, vpshrdv_<mode>_mask, vpshrdv_<mode>_maskz,
34512	vpshrdv_<mode>_maskz_1, vpshldv_<mode>, vpshldv_<mode>_mask,
34513	vpshldv_<mode>_maskz, vpshldv_<mode>_maskz_1): Use VI248_AVX512VL
34514	mode iterator instead of VI248_VLBW.
34515
345162018-01-05  Jan Hubicka  <hubicka@ucw.cz>
34517
34518	* ipa-fnsummary.c (record_modified_bb_info): Add OP.
34519	(record_modified): Skip clobbers; add debug output.
34520	(param_change_prob): Use sreal frequencies.
34521
345222018-01-05  Richard Sandiford  <richard.sandiford@linaro.org>
34523
34524	* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
34525	punt for user-aligned variables.
34526
345272018-01-05  Richard Sandiford  <richard.sandiford@linaro.org>
34528
34529	* tree-chrec.c (chrec_contains_symbols): Return true for
34530	POLY_INT_CST.
34531
345322018-01-05  Sudakshina Das  <sudi.das@arm.com>
34533
34534	PR target/82439
34535	* simplify-rtx.c (simplify_relational_operation_1): Add simplifications
34536	of (x|y) == x for BICS pattern.
34537
345382018-01-05  Jakub Jelinek  <jakub@redhat.com>
34539
34540	PR tree-optimization/83605
34541	* gimple-ssa-strength-reduction.c: Include tree-eh.h.
34542	(find_candidates_dom_walker::before_dom_children): Ignore stmts that
34543	can throw.
34544
345452018-01-05  Sebastian Huber  <sebastian.huber@embedded-brains.de>
34546
34547	* config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration.
34548	* config/epiphany/rtems.h: New file.
34549
345502018-01-04  Jakub Jelinek  <jakub@redhat.com>
34551	    Uros Bizjak  <ubizjak@gmail.com>
34552
34553	PR target/83554
34554	* config/i386/i386.md (*<rotate_insn>hi3_1 splitter): Use
34555	QIreg_operand instead of register_operand predicate.
34556	* config/i386/i386.c (ix86_rop_should_change_byte_p,
34557	set_rop_modrm_reg_bits, ix86_mitigate_rop): Use -mmitigate-rop in
34558	comments instead of -fmitigate[-_]rop.
34559
345602018-01-04  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34561
34562	PR bootstrap/81926
34563	* cgraphunit.c (symbol_table::compile): Switch to text_section
34564	before calling assembly_start debug hook.
34565	* run-rtl-passes.c (run_rtl_passes): Likewise.
34566	Include output.h.
34567
345682018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
34569
34570	* tree-vrp.c (extract_range_from_binary_expr_1): Check
34571	range_int_cst_p rather than !symbolic_range_p before calling
34572	extract_range_from_multiplicative_op_1.
34573
345742018-01-04  Jeff Law  <law@redhat.com>
34575
34576	* tree-ssa-math-opts.c (execute_cse_reciprocals_1): Remove
34577	redundant test in assertion.
34578
345792018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
34580
34581	* doc/rtl.texi: Document machine_mode wrapper classes.
34582
345832018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
34584
34585	* fold-const.c (fold_ternary_loc): Check tree_fits_uhwi_p before
34586	using tree_to_uhwi.
34587
345882018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
34589
34590	* tree-ssa-forwprop.c (is_combined_permutation_identity): Allow
34591	the VEC_PERM_EXPR fold to fail.
34592
345932018-01-04  Jakub Jelinek  <jakub@redhat.com>
34594
34595	PR debug/83585
34596	* bb-reorder.c (insert_section_boundary_note): Set has_bb_partition
34597	to switched_sections.
34598
345992018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
34600
34601	PR target/83680
34602	* config/arm/arm.c (arm_vectorize_vec_perm_const): Fix inverted
34603	test for d.testing.
34604
346052018-01-04  Peter Bergner  <bergner@vnet.ibm.com>
34606
34607	PR target/83387
34608	* config/rs6000/rs6000.c (rs6000_discover_homogeneous_aggregate): Do not
34609	allow arguments in FP registers if TARGET_HARD_FLOAT is false.
34610
346112018-01-04  Jakub Jelinek  <jakub@redhat.com>
34612
34613	PR debug/83666
34614	* cfgexpand.c (expand_debug_expr) <case BIT_FIELD_REF>: Punt if mode
34615	is BLKmode and bitpos not zero or mode change is needed.
34616
346172018-01-04  Richard Sandiford  <richard.sandiford@linaro.org>
34618
34619	PR target/83675
34620	* config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Require
34621	TARGET_VIS2.
34622
346232018-01-04  Uros Bizjak  <ubizjak@gmail.com>
34624
34625	PR target/83628
34626	* config/alpha/alpha.md (*sadd<modesuffix>): Use ASHIFT
34627	instead of MULT rtx.  Update all corresponding splitters.
34628	(*saddl_se): Ditto.
34629	(*ssub<modesuffix>): Ditto.
34630	(*ssubl_se): Ditto.
34631	(*cmp_sadd_di): Update split patterns.
34632	(*cmp_sadd_si): Ditto.
34633	(*cmp_sadd_sidi): Ditto.
34634	(*cmp_ssub_di): Ditto.
34635	(*cmp_ssub_si): Ditto.
34636	(*cmp_ssub_sidi): Ditto.
34637	* config/alpha/predicates.md (const23_operand): New predicate.
34638	* config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]:
34639	Look for ASHIFT, not MULT inner operand.
34640	(alpha_split_conditional_move): Update for *sadd<modesuffix> change.
34641
346422018-01-04  Martin Liska  <mliska@suse.cz>
34643
34644	PR gcov-profile/83669
34645	* gcov.c (output_intermediate_file): Add version to intermediate
34646	gcov file.
34647	* doc/gcov.texi: Document new field 'version' in intermediate
34648	file format. Fix location of '-k' option of gcov command.
34649
346502018-01-04  Martin Liska  <mliska@suse.cz>
34651
34652	PR ipa/82352
34653	* ipa-icf.c (sem_function::merge): Do not cross comdat boundary.
34654
346552018-01-04  Jakub Jelinek  <jakub@redhat.com>
34656
34657	* gimple-ssa-sprintf.c (parse_directive): Cast second dir.len to uhwi.
34658
346592018-01-03  Martin Sebor  <msebor@redhat.com>
34660
34661	PR tree-optimization/83655
34662	* gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid
34663	checking calls with invalid arguments.
34664
346652018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34666
34667	* tree-vect-stmts.c (vect_get_store_rhs): New function.
34668	(vectorizable_mask_load_store): Delete.
34669	(vectorizable_call): Return false for masked loads and stores.
34670	(vectorizable_store): Handle IFN_MASK_STORE.  Use vect_get_store_rhs
34671	instead of gimple_assign_rhs1.
34672	(vectorizable_load): Handle IFN_MASK_LOAD.
34673	(vect_transform_stmt): Don't set is_store for call_vec_info_type.
34674
346752018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34676
34677	* tree-vect-stmts.c (vect_build_gather_load_calls): New function,
34678	split out from..,
34679	(vectorizable_mask_load_store): ...here.
34680	(vectorizable_load): ...and here.
34681
346822018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34683
34684	* tree-vect-stmts.c (vect_build_all_ones_mask)
34685	(vect_build_zero_merge_argument): New functions, split out from...
34686	(vectorizable_load): ...here.
34687
346882018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34689
34690	* tree-vect-stmts.c (vect_check_store_rhs): New function,
34691	split out from...
34692	(vectorizable_mask_load_store): ...here.
34693	(vectorizable_store): ...and here.
34694
346952018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34696
34697	* tree-vect-stmts.c (vect_check_load_store_mask): New function,
34698	split out from...
34699	(vectorizable_mask_load_store): ...here.
34700
347012018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34702
34703	* tree-vectorizer.h (vec_load_store_type): Moved from tree-vec-stmts.c
34704	(vect_model_store_cost): Take a vec_load_store_type instead of a
34705	vect_def_type.
34706	* tree-vect-stmts.c (vec_load_store_type): Move to tree-vectorizer.h.
34707	(vect_model_store_cost): Take a vec_load_store_type instead of a
34708	vect_def_type.
34709	(vectorizable_mask_load_store): Update accordingly.
34710	(vectorizable_store): Likewise.
34711	* tree-vect-slp.c (vect_analyze_slp_cost_1): Update accordingly.
34712
347132018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34714
34715	* tree-vect-loop.c (vect_transform_loop): Stub out scalar
34716	IFN_MASK_LOAD calls here rather than...
34717	* tree-vect-stmts.c (vectorizable_mask_load_store): ...here.
34718
347192018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34720	    Alan Hayward  <alan.hayward@arm.com>
34721	    David Sherwood  <david.sherwood@arm.com>
34722
34723	* expmed.c (extract_bit_field_1): For vector extracts,
34724	fall back to extract_bit_field_as_subreg if vec_extract
34725	isn't available.
34726
347272018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34728	    Alan Hayward  <alan.hayward@arm.com>
34729	    David Sherwood  <david.sherwood@arm.com>
34730
34731	* lra-spills.c (pseudo_reg_slot_compare): Sort slots by whether
34732	they are variable or constant sized.
34733	(assign_stack_slot_num_and_sort_pseudos): Don't reuse variable-sized
34734	slots for constant-sized data.
34735
347362018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34737	    Alan Hayward  <alan.hayward@arm.com>
34738	    David Sherwood  <david.sherwood@arm.com>
34739
34740	* tree-vect-patterns.c (vect_recog_mask_conversion_pattern): When
34741	handling COND_EXPRs with boolean comparisons, try to find a better
34742	basis for the mask type than the boolean itself.
34743
347442018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34745
34746	* doc/rtl.texi (MAX_BITSIZE_MODE_ANY_MODE): Describe how the default
34747	is calculated and how it can be overridden.
34748	* genmodes.c (max_bitsize_mode_any_mode): New variable.
34749	(create_modes): Initialize it from MAX_BITSIZE_MODE_ANY_MODE,
34750	if defined.
34751	(emit_max_int): Use it to set the output MAX_BITSIZE_MODE_ANY_MODE,
34752	if nonzero.
34753
347542018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34755	    Alan Hayward  <alan.hayward@arm.com>
34756	    David Sherwood  <david.sherwood@arm.com>
34757
34758	* config/aarch64/aarch64-protos.h (aarch64_output_simd_mov_immediate):
34759	Remove the mode argument.
34760	(aarch64_simd_valid_immediate): Remove the mode and inverse
34761	arguments.
34762	* config/aarch64/iterators.md (bitsize): New iterator.
34763	* config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>, and<mode>3)
34764	(ior<mode>3): Update calls to aarch64_output_simd_mov_immediate.
34765	* config/aarch64/constraints.md (Do, Db, Dn): Update calls to
34766	aarch64_simd_valid_immediate.
34767	* config/aarch64/predicates.md (aarch64_reg_or_orr_imm): Likewise.
34768	(aarch64_reg_or_bic_imm): Likewise.
34769	* config/aarch64/aarch64.c (simd_immediate_info): Replace mvn
34770	with an insn_type enum and msl with a modifier_type enum.
34771	Replace element_width with a scalar_mode.  Change the shift
34772	to unsigned int.  Add constructors for scalar_float_mode and
34773	scalar_int_mode elements.
34774	(aarch64_vect_float_const_representable_p): Delete.
34775	(aarch64_can_const_movi_rtx_p)
34776	(aarch64_simd_scalar_immediate_valid_for_move)
34777	(aarch64_simd_make_constant): Update call to
34778	aarch64_simd_valid_immediate.
34779	(aarch64_advsimd_valid_immediate_hs): New function.
34780	(aarch64_advsimd_valid_immediate): Likewise.
34781	(aarch64_simd_valid_immediate): Remove mode and inverse
34782	arguments.  Rewrite to use the above.  Use const_vec_duplicate_p
34783	to detect duplicated constants and use aarch64_float_const_zero_rtx_p
34784	and aarch64_float_const_representable_p on the result.
34785	(aarch64_output_simd_mov_immediate): Remove mode argument.
34786	Update call to aarch64_simd_valid_immediate and use of
34787	simd_immediate_info.
34788	(aarch64_output_scalar_simd_mov_immediate): Update call
34789	accordingly.
34790
347912018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34792	    Alan Hayward  <alan.hayward@arm.com>
34793	    David Sherwood  <david.sherwood@arm.com>
34794
34795	* machmode.h (mode_precision): Prefix with CONST_MODE_PRECISION.
34796	(mode_nunits): Likewise CONST_MODE_NUNITS.
34797	* machmode.def (ADJUST_NUNITS): Document.
34798	* genmodes.c (mode_data::need_nunits_adj): New field.
34799	(blank_mode): Update accordingly.
34800	(adj_nunits): New variable.
34801	(print_maybe_const_decl): Replace CATEGORY with a NEEDS_ADJ
34802	parameter.
34803	(emit_mode_size_inline): Set need_bytesize_adj for all modes
34804	listed in adj_nunits.
34805	(emit_mode_nunits_inline): Set need_nunits_adj for all modes
34806	listed in adj_nunits.  Don't emit case statements for such modes.
34807	(emit_insn_modes_h): Emit definitions of CONST_MODE_NUNITS
34808	and CONST_MODE_PRECISION.  Make CONST_MODE_SIZE expand to
34809	nothing if adj_nunits is nonnull.
34810	(emit_mode_precision, emit_mode_nunits): Use print_maybe_const_decl.
34811	(emit_mode_unit_size, emit_mode_base_align, emit_mode_ibit)
34812	(emit_mode_fbit): Update use of print_maybe_const_decl.
34813	(emit_move_size): Likewise.  Treat the array as non-const
34814	if adj_nunits.
34815	(emit_mode_adjustments): Handle adj_nunits.
34816
348172018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34818
34819	* machmode.def (VECTOR_MODES_WITH_PREFIX): Document.
34820	* genmodes.c (VECTOR_MODES_WITH_PREFIX): New macro.
34821	(VECTOR_MODES): Use it.
34822	(make_vector_modes): Take the prefix as an argument.
34823
348242018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34825	    Alan Hayward  <alan.hayward@arm.com>
34826	    David Sherwood  <david.sherwood@arm.com>
34827
34828	* mode-classes.def (MODE_VECTOR_BOOL): New mode class.
34829	* machmode.h (INTEGRAL_MODE_P, VECTOR_MODE_P): Return true
34830	for MODE_VECTOR_BOOL.
34831	* machmode.def (VECTOR_BOOL_MODE): Document.
34832	* genmodes.c (VECTOR_BOOL_MODE): New macro.
34833	(make_vector_bool_mode): New function.
34834	(complete_mode, emit_mode_wider, emit_mode_adjustments): Handle
34835	MODE_VECTOR_BOOL.
34836	* lto-streamer-in.c (lto_input_mode_table): Likewise.
34837	* rtx-vector-builder.c (rtx_vector_builder::find_cached_value):
34838	Likewise.
34839	* stor-layout.c (int_mode_for_mode): Likewise.
34840	* tree.c (build_vector_type_for_mode): Likewise.
34841	* varasm.c (output_constant_pool_2): Likewise.
34842	* emit-rtl.c (init_emit_once): Make sure that CONST1_RTX (BImode) and
34843	CONSTM1_RTX (BImode) are the same thing.  Initialize const_tiny_rtx
34844	for MODE_VECTOR_BOOL.
34845	* expr.c (expand_expr_real_1): Use VECTOR_MODE_P instead of a list
34846	of mode class checks.
34847	* tree-vect-generic.c (expand_vector_operation): Use VECTOR_MODE_P
34848	instead of a list of mode class checks.
34849	(expand_vector_scalar_condition): Likewise.
34850	(type_for_widest_vector_mode): Handle BImode as an inner mode.
34851
348522018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34853	    Alan Hayward  <alan.hayward@arm.com>
34854	    David Sherwood  <david.sherwood@arm.com>
34855
34856	* machmode.h (mode_size): Change from unsigned short to
34857	poly_uint16_pod.
34858	(mode_to_bytes): Return a poly_uint16 rather than an unsigned short.
34859	(GET_MODE_SIZE): Return a constant if ONLY_FIXED_SIZE_MODES,
34860	or if measurement_type is not polynomial.
34861	(fixed_size_mode::includes_p): Check for constant-sized modes.
34862	* genmodes.c (emit_mode_size_inline): Make mode_size_inline
34863	return a poly_uint16 rather than an unsigned short.
34864	(emit_mode_size): Change the type of mode_size from unsigned short
34865	to poly_uint16_pod.  Use ZERO_COEFFS for the initializer.
34866	(emit_mode_adjustments): Cope with polynomial vector sizes.
34867	* lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
34868	for GET_MODE_SIZE.
34869	* lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
34870	for GET_MODE_SIZE.
34871	* auto-inc-dec.c (try_merge): Treat GET_MODE_SIZE as polynomial.
34872	* builtins.c (expand_ifn_atomic_compare_exchange_into_call): Likewise.
34873	* caller-save.c (setup_save_areas): Likewise.
34874	(replace_reg_with_saved_mem): Likewise.
34875	* calls.c (emit_library_call_value_1): Likewise.
34876	* combine-stack-adj.c (combine_stack_adjustments_for_block): Likewise.
34877	* combine.c (simplify_set, make_extraction, simplify_shift_const_1)
34878	(gen_lowpart_for_combine): Likewise.
34879	* convert.c (convert_to_integer_1): Likewise.
34880	* cse.c (equiv_constant, cse_insn): Likewise.
34881	* cselib.c (autoinc_split, cselib_hash_rtx): Likewise.
34882	(cselib_subst_to_values): Likewise.
34883	* dce.c (word_dce_process_block): Likewise.
34884	* df-problems.c (df_word_lr_mark_ref): Likewise.
34885	* dwarf2cfi.c (init_one_dwarf_reg_size): Likewise.
34886	* dwarf2out.c (multiple_reg_loc_descriptor, mem_loc_descriptor)
34887	(concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor)
34888	(rtl_for_decl_location): Likewise.
34889	* emit-rtl.c (gen_highpart, widen_memory_access): Likewise.
34890	* expmed.c (extract_bit_field_1, extract_integral_bit_field): Likewise.
34891	* expr.c (emit_group_load_1, clear_storage_hints): Likewise.
34892	(emit_move_complex, emit_move_multi_word, emit_push_insn): Likewise.
34893	(expand_expr_real_1): Likewise.
34894	* function.c (assign_parm_setup_block_p, assign_parm_setup_block)
34895	(pad_below): Likewise.
34896	* gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise.
34897	* gimple-ssa-store-merging.c (rhs_valid_for_store_merging_p): Likewise.
34898	* ira.c (get_subreg_tracking_sizes): Likewise.
34899	* ira-build.c (ira_create_allocno_objects): Likewise.
34900	* ira-color.c (coalesced_pseudo_reg_slot_compare): Likewise.
34901	(ira_sort_regnos_for_alter_reg): Likewise.
34902	* ira-costs.c (record_operand_costs): Likewise.
34903	* lower-subreg.c (interesting_mode_p, simplify_gen_subreg_concatn)
34904	(resolve_simple_move): Likewise.
34905	* lra-constraints.c (get_reload_reg, operands_match_p): Likewise.
34906	(process_addr_reg, simplify_operand_subreg, curr_insn_transform)
34907	(lra_constraints): Likewise.
34908	(CONST_POOL_OK_P): Reject variable-sized modes.
34909	* lra-spills.c (slot, assign_mem_slot, pseudo_reg_slot_compare)
34910	(add_pseudo_to_slot, lra_spill): Likewise.
34911	* omp-low.c (omp_clause_aligned_alignment): Likewise.
34912	* optabs-query.c (get_best_extraction_insn): Likewise.
34913	* optabs-tree.c (expand_vec_cond_expr_p): Likewise.
34914	* optabs.c (expand_vec_perm_var, expand_vec_cond_expr): Likewise.
34915	(expand_mult_highpart, valid_multiword_target_p): Likewise.
34916	* recog.c (offsettable_address_addr_space_p): Likewise.
34917	* regcprop.c (maybe_mode_change): Likewise.
34918	* reginfo.c (choose_hard_reg_mode, record_subregs_of_mode): Likewise.
34919	* regrename.c (build_def_use): Likewise.
34920	* regstat.c (dump_reg_info): Likewise.
34921	* reload.c (complex_word_subreg_p, push_reload, find_dummy_reload)
34922	(find_reloads, find_reloads_subreg_address): Likewise.
34923	* reload1.c (eliminate_regs_1): Likewise.
34924	* rtlanal.c (for_each_inc_dec_find_inc_dec, rtx_cost): Likewise.
34925	* simplify-rtx.c (avoid_constant_pool_reference): Likewise.
34926	(simplify_binary_operation_1, simplify_subreg): Likewise.
34927	* targhooks.c (default_function_arg_padding): Likewise.
34928	(default_hard_regno_nregs, default_class_max_nregs): Likewise.
34929	* tree-cfg.c (verify_gimple_assign_binary): Likewise.
34930	(verify_gimple_assign_ternary): Likewise.
34931	* tree-inline.c (estimate_move_cost): Likewise.
34932	* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
34933	* tree-ssa-loop-ivopts.c (add_autoinc_candidates): Likewise.
34934	(get_address_cost_ainc): Likewise.
34935	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
34936	(vect_supportable_dr_alignment): Likewise.
34937	* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
34938	(vectorizable_reduction): Likewise.
34939	* tree-vect-stmts.c (vectorizable_assignment, vectorizable_shift)
34940	(vectorizable_operation, vectorizable_load): Likewise.
34941	* tree.c (build_same_sized_truth_vector_type): Likewise.
34942	* valtrack.c (cleanup_auto_inc_dec): Likewise.
34943	* var-tracking.c (emit_note_insn_var_location): Likewise.
34944	* config/arc/arc.h (ASM_OUTPUT_CASE_END): Use as_a <scalar_int_mode>.
34945	(ADDR_VEC_ALIGN): Likewise.
34946
349472018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34948	    Alan Hayward  <alan.hayward@arm.com>
34949	    David Sherwood  <david.sherwood@arm.com>
34950
34951	* machmode.h (mode_to_bits): Return a poly_uint16 rather than an
34952	unsigned short.
34953	(GET_MODE_BITSIZE): Return a constant if ONLY_FIXED_SIZE_MODES,
34954	or if measurement_type is polynomial.
34955	* calls.c (shift_return_value): Treat GET_MODE_BITSIZE as polynomial.
34956	* combine.c (make_extraction): Likewise.
34957	* dse.c (find_shift_sequence): Likewise.
34958	* dwarf2out.c (mem_loc_descriptor): Likewise.
34959	* expmed.c (store_integral_bit_field, extract_bit_field_1): Likewise.
34960	(extract_bit_field, extract_low_bits): Likewise.
34961	* expr.c (convert_move, convert_modes, emit_move_insn_1): Likewise.
34962	(optimize_bitfield_assignment_op, expand_assignment): Likewise.
34963	(store_expr_with_bounds, store_field, expand_expr_real_1): Likewise.
34964	* fold-const.c (optimize_bit_field_compare, merge_ranges): Likewise.
34965	* gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise.
34966	* reload.c (find_reloads): Likewise.
34967	* reload1.c (alter_reg): Likewise.
34968	* stor-layout.c (bitwise_mode_for_mode, compute_record_mode): Likewise.
34969	* targhooks.c (default_secondary_memory_needed_mode): Likewise.
34970	* tree-if-conv.c (predicate_mem_writes): Likewise.
34971	* tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
34972	* tree-vect-patterns.c (adjust_bool_pattern): Likewise.
34973	* tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
34974	* valtrack.c (dead_debug_insert_temp): Likewise.
34975	* varasm.c (mergeable_constant_section): Likewise.
34976	* config/sh/sh.h (LOCAL_ALIGNMENT): Use as_a <fixed_size_mode>.
34977
349782018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34979	    Alan Hayward  <alan.hayward@arm.com>
34980	    David Sherwood  <david.sherwood@arm.com>
34981
34982	* expr.c (expand_assignment): Cope with polynomial mode sizes
34983	when assigning to a CONCAT.
34984
349852018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
34986	    Alan Hayward  <alan.hayward@arm.com>
34987	    David Sherwood  <david.sherwood@arm.com>
34988
34989	* machmode.h (mode_precision): Change from unsigned short to
34990	poly_uint16_pod.
34991	(mode_to_precision): Return a poly_uint16 rather than an unsigned
34992	short.
34993	(GET_MODE_PRECISION): Return a constant if ONLY_FIXED_SIZE_MODES,
34994	or if measurement_type is not polynomial.
34995	(HWI_COMPUTABLE_MODE_P): Turn into a function.  Optimize the case
34996	in which the mode is already known to be a scalar_int_mode.
34997	* genmodes.c (emit_mode_precision): Change the type of mode_precision
34998	from unsigned short to poly_uint16_pod.  Use ZERO_COEFFS for the
34999	initializer.
35000	* lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
35001	for GET_MODE_PRECISION.
35002	* lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
35003	for GET_MODE_PRECISION.
35004	* combine.c (update_rsp_from_reg_equal): Treat GET_MODE_PRECISION
35005	as polynomial.
35006	(try_combine, find_split_point, combine_simplify_rtx): Likewise.
35007	(expand_field_assignment, make_extraction): Likewise.
35008	(make_compound_operation_int, record_dead_and_set_regs_1): Likewise.
35009	(get_last_value): Likewise.
35010	* convert.c (convert_to_integer_1): Likewise.
35011	* cse.c (cse_insn): Likewise.
35012	* expr.c (expand_expr_real_1): Likewise.
35013	* lra-constraints.c (simplify_operand_subreg): Likewise.
35014	* optabs-query.c (can_atomic_load_p): Likewise.
35015	* optabs.c (expand_atomic_load): Likewise.
35016	(expand_atomic_store): Likewise.
35017	* ree.c (combine_reaching_defs): Likewise.
35018	* rtl.h (partial_subreg_p, paradoxical_subreg_p): Likewise.
35019	* rtlanal.c (nonzero_bits1, lsb_bitfield_op_p): Likewise.
35020	* tree.h (type_has_mode_precision_p): Likewise.
35021	* ubsan.c (instrument_si_overflow): Likewise.
35022
350232018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35024	    Alan Hayward  <alan.hayward@arm.com>
35025	    David Sherwood  <david.sherwood@arm.com>
35026
35027	* tree.h (TYPE_VECTOR_SUBPARTS): Turn into a function and handle
35028	polynomial numbers of units.
35029	(SET_TYPE_VECTOR_SUBPARTS): Likewise.
35030	(valid_vector_subparts_p): New function.
35031	(build_vector_type): Remove temporary shim and take the number
35032	of units as a poly_uint64 rather than an int.
35033	(build_opaque_vector_type): Take the number of units as a
35034	poly_uint64 rather than an int.
35035	* tree.c (build_vector_from_ctor): Handle polynomial
35036	TYPE_VECTOR_SUBPARTS.
35037	(type_hash_canon_hash, type_cache_hasher::equal): Likewise.
35038	(uniform_vector_p, vector_type_mode, build_vector): Likewise.
35039	(build_vector_from_val): If the number of units is variable,
35040	use build_vec_duplicate_cst for constant operands and
35041	VEC_DUPLICATE_EXPR otherwise.
35042	(make_vector_type): Remove temporary is_constant ().
35043	(build_vector_type, build_opaque_vector_type): Take the number of
35044	units as a poly_uint64 rather than an int.
35045	(check_vector_cst): Handle polynomial TYPE_VECTOR_SUBPARTS and
35046	VECTOR_CST_NELTS.
35047	* cfgexpand.c (expand_debug_expr): Likewise.
35048	* expr.c (count_type_elements, categorize_ctor_elements_1): Likewise.
35049	(store_constructor, expand_expr_real_1): Likewise.
35050	(const_scalar_mask_from_tree): Likewise.
35051	* fold-const-call.c (fold_const_reduction): Likewise.
35052	* fold-const.c (const_binop, const_unop, fold_convert_const): Likewise.
35053	(operand_equal_p, fold_vec_perm, fold_ternary_loc): Likewise.
35054	(native_encode_vector, vec_cst_ctor_to_array): Likewise.
35055	(fold_relational_const): Likewise.
35056	(native_interpret_vector): Likewise.  Change the size from an
35057	int to an unsigned int.
35058	* gimple-fold.c (gimple_fold_stmt_to_constant_1): Handle polynomial
35059	TYPE_VECTOR_SUBPARTS.
35060	(gimple_fold_indirect_ref, gimple_build_vector): Likewise.
35061	(gimple_build_vector_from_val): Use VEC_DUPLICATE_EXPR when
35062	duplicating a non-constant operand into a variable-length vector.
35063	* hsa-brig.c (hsa_op_immed::emit_to_buffer): Handle polynomial
35064	TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS.
35065	* ipa-icf.c (sem_variable::equals): Likewise.
35066	* match.pd: Likewise.
35067	* omp-simd-clone.c (simd_clone_subparts): Likewise.
35068	* print-tree.c (print_node): Likewise.
35069	* stor-layout.c (layout_type): Likewise.
35070	* targhooks.c (default_builtin_vectorization_cost): Likewise.
35071	* tree-cfg.c (verify_gimple_comparison): Likewise.
35072	(verify_gimple_assign_binary): Likewise.
35073	(verify_gimple_assign_ternary): Likewise.
35074	(verify_gimple_assign_single): Likewise.
35075	* tree-pretty-print.c (dump_generic_node): Likewise.
35076	* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
35077	(simplify_bitfield_ref, is_combined_permutation_identity): Likewise.
35078	* tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
35079	(vect_grouped_load_supported, vect_permute_load_chain): Likewise.
35080	(vect_shift_permute_load_chain): Likewise.
35081	* tree-vect-generic.c (nunits_for_known_piecewise_op): Likewise.
35082	(expand_vector_condition, optimize_vector_constructor): Likewise.
35083	(lower_vec_perm, get_compute_type): Likewise.
35084	* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
35085	(get_initial_defs_for_reduction, vect_transform_loop): Likewise.
35086	* tree-vect-patterns.c (vect_recog_bool_pattern): Likewise.
35087	(vect_recog_mask_conversion_pattern): Likewise.
35088	* tree-vect-slp.c (vect_supported_load_permutation_p): Likewise.
35089	(vect_get_constant_vectors, vect_transform_slp_perm_load): Likewise.
35090	* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
35091	(get_group_load_store_type, vectorizable_mask_load_store): Likewise.
35092	(vectorizable_bswap, simd_clone_subparts, vectorizable_assignment)
35093	(vectorizable_shift, vectorizable_operation, vectorizable_store)
35094	(vectorizable_load, vect_is_simple_cond, vectorizable_comparison)
35095	(supportable_widening_operation): Likewise.
35096	(supportable_narrowing_operation): Likewise.
35097	* tree-vector-builder.c (tree_vector_builder::binary_encoded_nelts):
35098	Likewise.
35099	* varasm.c (output_constant): Likewise.
35100
351012018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35102	    Alan Hayward  <alan.hayward@arm.com>
35103	    David Sherwood  <david.sherwood@arm.com>
35104
35105	* tree-vect-data-refs.c (vect_permute_store_chain): Reorganize
35106	so that both the length == 3 and length != 3 cases set up their
35107	own permute vectors.  Add comments explaining why we know the
35108	number of elements is constant.
35109	(vect_permute_load_chain): Likewise.
35110
351112018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35112	    Alan Hayward  <alan.hayward@arm.com>
35113	    David Sherwood  <david.sherwood@arm.com>
35114
35115	* machmode.h (mode_nunits): Change from unsigned char to
35116	poly_uint16_pod.
35117	(ONLY_FIXED_SIZE_MODES): New macro.
35118	(pod_mode::measurement_type, scalar_int_mode::measurement_type)
35119	(scalar_float_mode::measurement_type, scalar_mode::measurement_type)
35120	(complex_mode::measurement_type, fixed_size_mode::measurement_type):
35121	New typedefs.
35122	(mode_to_nunits): Return a poly_uint16 rather than an unsigned short.
35123	(GET_MODE_NUNITS): Return a constant if ONLY_FIXED_SIZE_MODES,
35124	or if measurement_type is not polynomial.
35125	* genmodes.c (ZERO_COEFFS): New macro.
35126	(emit_mode_nunits_inline): Make mode_nunits_inline return a
35127	poly_uint16.
35128	(emit_mode_nunits): Change the type of mode_nunits to poly_uint16_pod.
35129	Use ZERO_COEFFS when emitting initializers.
35130	* data-streamer.h (bp_pack_poly_value): New function.
35131	(bp_unpack_poly_value): Likewise.
35132	* lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
35133	for GET_MODE_NUNITS.
35134	* lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
35135	for GET_MODE_NUNITS.
35136	* tree.c (make_vector_type): Remove temporary shim and make
35137	the real function take the number of units as a poly_uint64
35138	rather than an int.
35139	(build_vector_type_for_mode): Handle polynomial nunits.
35140	* dwarf2out.c (loc_descriptor, add_const_value_attribute): Likewise.
35141	* emit-rtl.c (const_vec_series_p_1): Likewise.
35142	(gen_rtx_CONST_VECTOR): Likewise.
35143	* fold-const.c (test_vec_duplicate_folding): Likewise.
35144	* genrecog.c (validate_pattern): Likewise.
35145	* optabs-query.c (can_vec_perm_var_p, can_mult_highpart_p): Likewise.
35146	* optabs-tree.c (expand_vec_cond_expr_p): Likewise.
35147	* optabs.c (expand_vector_broadcast, expand_binop_directly): Likewise.
35148	(shift_amt_for_vec_perm_mask, expand_vec_perm_var): Likewise.
35149	(expand_vec_cond_expr, expand_mult_highpart): Likewise.
35150	* rtlanal.c (subreg_get_info): Likewise.
35151	* tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
35152	(vect_grouped_load_supported): Likewise.
35153	* tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
35154	* tree-vect-loop.c (have_whole_vector_shift): Likewise.
35155	* simplify-rtx.c (simplify_unary_operation_1): Likewise.
35156	(simplify_const_unary_operation, simplify_binary_operation_1)
35157	(simplify_const_binary_operation, simplify_ternary_operation)
35158	(test_vector_ops_duplicate, test_vector_ops): Likewise.
35159	(simplify_immed_subreg): Use GET_MODE_NUNITS on a fixed_size_mode
35160	instead of CONST_VECTOR_NUNITS.
35161	* varasm.c (output_constant_pool_2): Likewise.
35162	* rtx-vector-builder.c (rtx_vector_builder::build): Only include the
35163	explicit-encoded elements in the XVEC for variable-length vectors.
35164
351652018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35166
35167	* lra-constraints.c (curr_insn_transform): Use partial_subreg_p.
35168
351692018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35170	    Alan Hayward  <alan.hayward@arm.com>
35171	    David Sherwood  <david.sherwood@arm.com>
35172
35173	* coretypes.h (fixed_size_mode): Declare.
35174	(fixed_size_mode_pod): New typedef.
35175	* builtins.h (target_builtins::x_apply_args_mode)
35176	(target_builtins::x_apply_result_mode): Change type to
35177	fixed_size_mode_pod.
35178	* builtins.c (apply_args_size, apply_result_size, result_vector)
35179	(expand_builtin_apply_args_1, expand_builtin_apply)
35180	(expand_builtin_return): Update accordingly.
35181
351822018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35183
35184	* cse.c (hash_rtx_cb): Hash only the encoded elements.
35185	* cselib.c (cselib_hash_rtx): Likewise.
35186	* expmed.c (make_tree): Build VECTOR_CSTs directly from the
35187	CONST_VECTOR encoding.
35188
351892018-01-03  Jakub Jelinek  <jakub@redhat.com>
35190	    Jeff Law  <law@redhat.com>
35191
35192	PR target/83641
35193	* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For
35194	noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop,
35195	only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp
35196	and add REG_CFA_ADJUST_CFA notes in that case to both insns.
35197
35198	PR target/83641
35199	* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not
35200	explicitly probe *sp in a noreturn function if there were any callee
35201	register saves or frame pointer is needed.
35202
352032018-01-03  Jakub Jelinek  <jakub@redhat.com>
35204
35205	PR debug/83621
35206	* cfgexpand.c (expand_debug_expr): Return NULL if mode is
35207	BLKmode for ternary, binary or unary expressions.
35208
35209	PR debug/83645
35210	* var-tracking.c (delete_vta_debug_insn): New inline function.
35211	(delete_vta_debug_insns): Add USE_CFG argument, if true, walk just
35212	insns from get_insns () to NULL instead of each bb separately.
35213	Use delete_vta_debug_insn.  No longer static.
35214	(vt_debug_insns_local, variable_tracking_main_1): Adjust
35215	delete_vta_debug_insns callers.
35216	* rtl.h (delete_vta_debug_insns): Declare.
35217	* final.c (rest_of_handle_final): Call delete_vta_debug_insns
35218	instead of variable_tracking_main.
35219
352202018-01-03  Martin Sebor  <msebor@redhat.com>
35221
35222	PR tree-optimization/83603
35223	* calls.c (maybe_warn_nonstring_arg): Avoid accessing function
35224	arguments past the endof the argument list in functions declared
35225	without a prototype.
35226	* gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call):
35227	Avoid checking when arguments are null.
35228
352292018-01-03  Martin Sebor  <msebor@redhat.com>
35230
35231	PR c/83559
35232	* doc/extend.texi (attribute const): Fix a typo.
35233	* ipa-pure-const.c ((warn_function_const, warn_function_pure): Avoid
35234	issuing -Wsuggest-attribute for void functions.
35235
352362018-01-03  Martin Sebor  <msebor@redhat.com>
35237
35238	* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use
35239	offset_int::from instead of wide_int::to_shwi.
35240	(maybe_diag_overlap): Remove assertion.
35241	Use HOST_WIDE_INT_PRINT_DEC instead of %lli.
35242	* gimple-ssa-sprintf.c (format_directive): Same.
35243	(parse_directive): Same.
35244	(sprintf_dom_walker::compute_format_length): Same.
35245	(try_substitute_return_value): Same.
35246
352472018-01-03  Jeff Law  <law@redhat.com>
35248
35249	PR middle-end/83654
35250	* explow.c (anti_adjust_stack_and_probe_stack_clash): Test a
35251	non-constant residual for zero at runtime and avoid probing in
35252	that case.  Reorganize code for trailing problem to mirror handling
35253	of the residual.
35254
352552018-01-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
35256
35257	PR tree-optimization/83501
35258	* tree-ssa-strlen.c (get_string_cst): New.
35259	(handle_char_store): Call get_string_cst.
35260
352612018-01-03  Martin Liska  <mliska@suse.cz>
35262
35263	PR tree-optimization/83593
35264	* tree-ssa-strlen.c: Include tree-cfg.h.
35265	(strlen_check_and_optimize_stmt): Add new argument cleanup_eh.
35266	(strlen_dom_walker): Add new member variable m_cleanup_cfg.
35267	(strlen_dom_walker::strlen_dom_walker): Initialize m_cleanup_cfg
35268	to false.
35269	(strlen_dom_walker::before_dom_children): Call
35270	gimple_purge_dead_eh_edges. Dump tranformation with details
35271	dump flags.
35272	(strlen_dom_walker::before_dom_children): Update call by adding
35273	new argument cleanup_eh.
35274	(pass_strlen::execute): Return TODO_cleanup_cfg if needed.
35275
352762018-01-03  Martin Liska  <mliska@suse.cz>
35277
35278	PR ipa/83549
35279	* cif-code.def (VARIADIC_THUNK): New enum value.
35280	* ipa-fnsummary.c (compute_fn_summary): Do not inline variadic
35281	thunks.
35282
352832018-01-03  Jan Beulich  <jbeulich@suse.com>
35284
35285	* sse.md (mov<mode>_internal): Tighten condition for when to use
35286	vmovdqu<ssescalarsize> for TI and OI modes.
35287
352882018-01-03  Jakub Jelinek  <jakub@redhat.com>
35289
35290	Update copyright years.
35291
352922018-01-03  Martin Liska  <mliska@suse.cz>
35293
35294	PR ipa/83594
35295	* ipa-visibility.c (function_and_variable_visibility): Skip
35296	functions with noipa attribure.
35297
352982018-01-03  Jakub Jelinek  <jakub@redhat.com>
35299
35300	* gcc.c (process_command): Update copyright notice dates.
35301	* gcov-dump.c (print_version): Ditto.
35302	* gcov.c (print_version): Ditto.
35303	* gcov-tool.c (print_version): Ditto.
35304	* gengtype.c (create_file): Ditto.
35305	* doc/cpp.texi: Bump @copying's copyright year.
35306	* doc/cppinternals.texi: Ditto.
35307	* doc/gcc.texi: Ditto.
35308	* doc/gccint.texi: Ditto.
35309	* doc/gcov.texi: Ditto.
35310	* doc/install.texi: Ditto.
35311	* doc/invoke.texi: Ditto.
35312
353132018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35314
35315	* vector-builder.h (vector_builder::m_full_nelts): Change from
35316	unsigned int to poly_uint64.
35317	(vector_builder::full_nelts): Update prototype accordingly.
35318	(vector_builder::new_vector): Likewise.
35319	(vector_builder::encoded_full_vector_p): Handle polynomial full_nelts.
35320	(vector_builder::operator ==): Likewise.
35321	(vector_builder::finalize): Likewise.
35322	* int-vector-builder.h (int_vector_builder::int_vector_builder):
35323	Take the number of elements as a poly_uint64 rather than an
35324	unsigned int.
35325	* vec-perm-indices.h (vec_perm_indices::m_nelts_per_input): Change
35326	from unsigned int to poly_uint64.
35327	(vec_perm_indices::vec_perm_indices): Update prototype accordingly.
35328	(vec_perm_indices::new_vector): Likewise.
35329	(vec_perm_indices::length): Likewise.
35330	(vec_perm_indices::nelts_per_input): Likewise.
35331	(vec_perm_indices::input_nelts): Likewise.
35332	* vec-perm-indices.c (vec_perm_indices::new_vector): Take the
35333	number of elements per input as a poly_uint64 rather than an
35334	unsigned int.  Use the original encoding for variable-length
35335	vectors, rather than clamping each individual element.
35336	For the second and subsequent elements in each pattern,
35337	clamp the step and base before clamping their sum.
35338	(vec_perm_indices::series_p): Handle polynomial element counts.
35339	(vec_perm_indices::all_in_range_p): Likewise.
35340	(vec_perm_indices_to_tree): Likewise.
35341	(vec_perm_indices_to_rtx): Likewise.
35342	* tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
35343	* tree-vector-builder.c (tree_vector_builder::new_unary_operation)
35344	(tree_vector_builder::new_binary_operation): Handle polynomial
35345	element counts.  Return false if we need to know the number
35346	of elements at compile time.
35347	* fold-const.c (fold_vec_perm): Punt if the number of elements
35348	isn't known at compile time.
35349
353502018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35351
35352	* vec-perm-indices.h (vec_perm_builder): Change element type
35353	from HOST_WIDE_INT to poly_int64.
35354	(vec_perm_indices::element_type): Update accordingly.
35355	(vec_perm_indices::clamp): Handle polynomial element_types.
35356	* vec-perm-indices.c (vec_perm_indices::series_p): Likewise.
35357	(vec_perm_indices::all_in_range_p): Likewise.
35358	(tree_to_vec_perm_builder): Check for poly_int64 trees rather
35359	than shwi trees.
35360	* vector-builder.h (vector_builder::stepped_sequence_p): Handle
35361	polynomial vec_perm_indices element types.
35362	* int-vector-builder.h (int_vector_builder::equal_p): Likewise.
35363	* fold-const.c (fold_vec_perm): Likewise.
35364	* optabs.c (shift_amt_for_vec_perm_mask): Likewise.
35365	* tree-vect-generic.c (lower_vec_perm): Likewise.
35366	* tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
35367	* config/aarch64/aarch64.c (aarch64_evpc_tbl): Cast d->perm
35368	element type to HOST_WIDE_INT.
35369
353702018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35371	    Alan Hayward  <alan.hayward@arm.com>
35372	    David Sherwood  <david.sherwood@arm.com>
35373
35374	* alias.c (addr_side_effect_eval): Take the size as a poly_int64
35375	rather than an int.  Use plus_constant.
35376	(memrefs_conflict_p): Take the sizes as poly_int64s rather than ints.
35377	Take the offset "c" as a poly_int64 rather than a HOST_WIDE_INT.
35378
353792018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35380	    Alan Hayward  <alan.hayward@arm.com>
35381	    David Sherwood  <david.sherwood@arm.com>
35382
35383	* calls.c (emit_call_1, expand_call): Change struct_value_size from
35384	a HOST_WIDE_INT to a poly_int64.
35385
353862018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35387	    Alan Hayward  <alan.hayward@arm.com>
35388	    David Sherwood  <david.sherwood@arm.com>
35389
35390	* calls.c (load_register_parameters): Cope with polynomial
35391	mode sizes.  Require a constant size for BLKmode parameters
35392	that aren't described by a PARALLEL.  If BLOCK_REG_PADDING
35393	forces a parameter to be padded at the lsb end in order to
35394	fill a complete number of words, require the parameter size
35395	to be ordered wrt UNITS_PER_WORD.
35396
353972018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35398	    Alan Hayward  <alan.hayward@arm.com>
35399	    David Sherwood  <david.sherwood@arm.com>
35400
35401	* reload1.c (spill_stack_slot_width): Change element type
35402	from unsigned int to poly_uint64_pod.
35403	(alter_reg): Treat mode sizes as polynomial.
35404
354052018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35406	    Alan Hayward  <alan.hayward@arm.com>
35407	    David Sherwood  <david.sherwood@arm.com>
35408
35409	* reload.c (complex_word_subreg_p): New function.
35410	(reload_inner_reg_of_subreg, push_reload): Use it.
35411
354122018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35413	    Alan Hayward  <alan.hayward@arm.com>
35414	    David Sherwood  <david.sherwood@arm.com>
35415
35416	* lra-constraints.c (process_alt_operands): Reject matched
35417	operands whose sizes aren't ordered.
35418	(match_reload): Refer to this check here.
35419
354202018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35421	    Alan Hayward  <alan.hayward@arm.com>
35422	    David Sherwood  <david.sherwood@arm.com>
35423
35424	* builtins.c (expand_ifn_atomic_compare_exchange_into_call): Assert
35425	that the mode size is in the set {1, 2, 4, 8, 16}.
35426
354272018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35428	    Alan Hayward  <alan.hayward@arm.com>
35429	    David Sherwood  <david.sherwood@arm.com>
35430
35431	* var-tracking.c (adjust_mems): Treat mode sizes as polynomial.
35432	Use plus_constant instead of gen_rtx_PLUS.
35433
354342018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35435	    Alan Hayward  <alan.hayward@arm.com>
35436	    David Sherwood  <david.sherwood@arm.com>
35437
35438	* config/cr16/cr16-protos.h (cr16_push_rounding): Declare.
35439	* config/cr16/cr16.h (PUSH_ROUNDING): Move implementation to...
35440	* config/cr16/cr16.c (cr16_push_rounding): ...this new function.
35441	* config/h8300/h8300-protos.h (h8300_push_rounding): Declare.
35442	* config/h8300/h8300.h (PUSH_ROUNDING): Move implementation to...
35443	* config/h8300/h8300.c (h8300_push_rounding): ...this new function.
35444	* config/i386/i386-protos.h (ix86_push_rounding): Declare.
35445	* config/i386/i386.h (PUSH_ROUNDING): Move implementation to...
35446	* config/i386/i386.c (ix86_push_rounding): ...this new function.
35447	* config/m32c/m32c-protos.h (m32c_push_rounding): Take and return
35448	a poly_int64.
35449	* config/m32c/m32c.c (m32c_push_rounding): Likewise.
35450	* config/m68k/m68k-protos.h (m68k_push_rounding): Declare.
35451	* config/m68k/m68k.h (PUSH_ROUNDING): Move implementation to...
35452	* config/m68k/m68k.c (m68k_push_rounding): ...this new function.
35453	* config/pdp11/pdp11-protos.h (pdp11_push_rounding): Declare.
35454	* config/pdp11/pdp11.h (PUSH_ROUNDING): Move implementation to...
35455	* config/pdp11/pdp11.c (pdp11_push_rounding): ...this new function.
35456	* config/stormy16/stormy16-protos.h (xstormy16_push_rounding): Declare.
35457	* config/stormy16/stormy16.h (PUSH_ROUNDING): Move implementation to...
35458	* config/stormy16/stormy16.c (xstormy16_push_rounding): ...this new
35459	function.
35460	* expr.c (emit_move_resolve_push): Treat the input and result
35461	of PUSH_ROUNDING as a poly_int64.
35462	(emit_move_complex_push, emit_single_push_insn_1): Likewise.
35463	(emit_push_insn): Likewise.
35464	* lra-eliminations.c (mark_not_eliminable): Likewise.
35465	* recog.c (push_operand): Likewise.
35466	* reload1.c (elimination_effects): Likewise.
35467	* rtlanal.c (nonzero_bits1): Likewise.
35468	* calls.c (store_one_arg): Likewise.  Require the padding to be
35469	known at compile time.
35470
354712018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35472	    Alan Hayward  <alan.hayward@arm.com>
35473	    David Sherwood  <david.sherwood@arm.com>
35474
35475	* expr.c (emit_single_push_insn_1): Treat mode sizes as polynomial.
35476	Use plus_constant instead of gen_rtx_PLUS.
35477
354782018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35479	    Alan Hayward  <alan.hayward@arm.com>
35480	    David Sherwood  <david.sherwood@arm.com>
35481
35482	* auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64
35483	rather than an int.
35484
354852018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35486	    Alan Hayward  <alan.hayward@arm.com>
35487	    David Sherwood  <david.sherwood@arm.com>
35488
35489	* expr.c (expand_expr_real_1): Use tree_to_poly_uint64
35490	instead of int_size_in_bytes when handling VIEW_CONVERT_EXPRs
35491	via stack temporaries.  Treat the mode size as polynomial too.
35492
354932018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35494	    Alan Hayward  <alan.hayward@arm.com>
35495	    David Sherwood  <david.sherwood@arm.com>
35496
35497	* expr.c (expand_expr_real_2): When handling conversions involving
35498	unions, apply tree_to_poly_uint64 to the TYPE_SIZE rather than
35499	multiplying int_size_in_bytes by BITS_PER_UNIT.  Treat GET_MODE_BISIZE
35500	as a poly_uint64 too.
35501
355022018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35503	    Alan Hayward  <alan.hayward@arm.com>
35504	    David Sherwood  <david.sherwood@arm.com>
35505
35506	* rtlanal.c (subreg_get_info): Handle polynomial mode sizes.
35507
355082018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35509	    Alan Hayward  <alan.hayward@arm.com>
35510	    David Sherwood  <david.sherwood@arm.com>
35511
35512	* combine.c (can_change_dest_mode): Handle polynomial
35513	REGMODE_NATURAL_SIZE.
35514	* expmed.c (store_bit_field_1): Likewise.
35515	* expr.c (store_constructor): Likewise.
35516	* emit-rtl.c (validate_subreg): Operate on polynomial mode sizes
35517	and polynomial REGMODE_NATURAL_SIZE.
35518	(gen_lowpart_common): Likewise.
35519	* reginfo.c (record_subregs_of_mode): Likewise.
35520	* rtlanal.c (read_modify_subreg_p): Likewise.
35521
355222018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35523	    Alan Hayward  <alan.hayward@arm.com>
35524	    David Sherwood  <david.sherwood@arm.com>
35525
35526	* internal-fn.c (expand_vector_ubsan_overflow): Handle polynomial
35527	numbers of elements.
35528
355292018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35530	    Alan Hayward  <alan.hayward@arm.com>
35531	    David Sherwood  <david.sherwood@arm.com>
35532
35533	* match.pd: Cope with polynomial numbers of vector elements.
35534
355352018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35536	    Alan Hayward  <alan.hayward@arm.com>
35537	    David Sherwood  <david.sherwood@arm.com>
35538
35539	* fold-const.c (fold_indirect_ref_1): Handle polynomial offsets
35540	in a POINTER_PLUS_EXPR.
35541
355422018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35543	    Alan Hayward  <alan.hayward@arm.com>
35544	    David Sherwood  <david.sherwood@arm.com>
35545
35546	* omp-simd-clone.c (simd_clone_subparts): New function.
35547	(simd_clone_init_simd_arrays): Use it instead of TYPE_VECTOR_SUBPARTS.
35548	(ipa_simd_modify_function_body): Likewise.
35549
355502018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35551	    Alan Hayward  <alan.hayward@arm.com>
35552	    David Sherwood  <david.sherwood@arm.com>
35553
35554	* tree-vect-generic.c (nunits_for_known_piecewise_op): New function.
35555	(expand_vector_piecewise): Use it instead of TYPE_VECTOR_SUBPARTS.
35556	(expand_vector_addition, add_rshift, expand_vector_divmod): Likewise.
35557	(expand_vector_condition, vector_element): Likewise.
35558	(subparts_gt): New function.
35559	(get_compute_type): Use subparts_gt.
35560	(count_type_subparts): Delete.
35561	(expand_vector_operations_1): Use subparts_gt instead of
35562	count_type_subparts.
35563
355642018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35565	    Alan Hayward  <alan.hayward@arm.com>
35566	    David Sherwood  <david.sherwood@arm.com>
35567
35568	* tree-vect-data-refs.c (vect_no_alias_p): Replace with...
35569	(vect_compile_time_alias): ...this new function.  Do the calculation
35570	on poly_ints rather than trees.
35571	(vect_prune_runtime_alias_test_list): Update call accordingly.
35572
355732018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35574	    Alan Hayward  <alan.hayward@arm.com>
35575	    David Sherwood  <david.sherwood@arm.com>
35576
35577	* tree-vect-slp.c (vect_build_slp_tree_1): Handle polynomial
35578	numbers of units.
35579	(vect_schedule_slp_instance): Likewise.
35580
355812018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35582	    Alan Hayward  <alan.hayward@arm.com>
35583	    David Sherwood  <david.sherwood@arm.com>
35584
35585	* tree-vect-slp.c (vect_get_and_check_slp_defs): Reject
35586	constant and extern definitions for variable-length vectors.
35587	(vect_get_constant_vectors): Note that the number of units
35588	is known to be constant.
35589
355902018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35591	    Alan Hayward  <alan.hayward@arm.com>
35592	    David Sherwood  <david.sherwood@arm.com>
35593
35594	* tree-vect-stmts.c (vectorizable_conversion): Treat the number
35595	of units as polynomial.  Choose between WIDE and NARROW based
35596	on multiple_p.
35597
355982018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35599	    Alan Hayward  <alan.hayward@arm.com>
35600	    David Sherwood  <david.sherwood@arm.com>
35601
35602	* tree-vect-stmts.c (simd_clone_subparts): New function.
35603	(vectorizable_simd_clone_call): Use it instead of TYPE_VECTOR_SUBPARTS.
35604
356052018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35606	    Alan Hayward  <alan.hayward@arm.com>
35607	    David Sherwood  <david.sherwood@arm.com>
35608
35609	* tree-vect-stmts.c (vectorizable_call): Treat the number of
35610	vectors as polynomial.  Use build_index_vector for
35611	IFN_GOMP_SIMD_LANE.
35612
356132018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35614	    Alan Hayward  <alan.hayward@arm.com>
35615	    David Sherwood  <david.sherwood@arm.com>
35616
35617	* tree-vect-stmts.c (get_load_store_type): Treat the number of
35618	units as polynomial.  Reject VMAT_ELEMENTWISE and VMAT_STRIDED_SLP
35619	for variable-length vectors.
35620	(vectorizable_mask_load_store): Treat the number of units as
35621	polynomial, asserting that it is constant if the condition has
35622	already been enforced.
35623	(vectorizable_store, vectorizable_load): Likewise.
35624
356252018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35626	    Alan Hayward  <alan.hayward@arm.com>
35627	    David Sherwood  <david.sherwood@arm.com>
35628
35629	* tree-vect-loop.c (vectorizable_live_operation): Treat the number
35630	of units as polynomial.  Punt if we can't tell at compile time
35631	which vector contains the final result.
35632
356332018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35634	    Alan Hayward  <alan.hayward@arm.com>
35635	    David Sherwood  <david.sherwood@arm.com>
35636
35637	* tree-vect-loop.c (vectorizable_induction): Treat the number
35638	of units as polynomial.  Punt on SLP inductions.  Use an integer
35639	VEC_SERIES_EXPR for variable-length integer reductions.  Use a
35640	cast of such a series for variable-length floating-point
35641	reductions.
35642
356432018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35644	    Alan Hayward  <alan.hayward@arm.com>
35645	    David Sherwood  <david.sherwood@arm.com>
35646
35647	* tree.h (build_index_vector): Declare.
35648	* tree.c (build_index_vector): New function.
35649	* tree-vect-loop.c (get_initial_defs_for_reduction): Treat the number
35650	of units as polynomial, forcibly converting it to a constant if
35651	vectorizable_reduction has already enforced the condition.
35652	(vect_create_epilog_for_reduction): Likewise.  Use build_index_vector
35653	to create a {1,2,3,...} vector.
35654	(vectorizable_reduction): Treat the number of units as polynomial.
35655	Choose vectype_in based on the largest scalar element size rather
35656	than the smallest number of units.  Enforce the restrictions
35657	relied on above.
35658
356592018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35660	    Alan Hayward  <alan.hayward@arm.com>
35661	    David Sherwood  <david.sherwood@arm.com>
35662
35663	* tree-vect-data-refs.c (vector_alignment_reachable_p): Treat the
35664	number of units as polynomial.
35665
356662018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35667	    Alan Hayward  <alan.hayward@arm.com>
35668	    David Sherwood  <david.sherwood@arm.com>
35669
35670	* target.h (vector_sizes, auto_vector_sizes): New typedefs.
35671	* target.def (autovectorize_vector_sizes): Return the vector sizes
35672	by pointer, using vector_sizes rather than a bitmask.
35673	* targhooks.h (default_autovectorize_vector_sizes): Update accordingly.
35674	* targhooks.c (default_autovectorize_vector_sizes): Likewise.
35675	* config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes):
35676	Likewise.
35677	* config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
35678	* config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
35679	* config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.
35680	* config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
35681	* omp-general.c (omp_max_vf): Likewise.
35682	* omp-low.c (omp_clause_aligned_alignment): Likewise.
35683	* optabs-query.c (can_vec_mask_load_store_p): Likewise.
35684	* tree-vect-loop.c (vect_analyze_loop): Likewise.
35685	* tree-vect-slp.c (vect_slp_bb): Likewise.
35686	* doc/tm.texi: Regenerate.
35687	* tree-vectorizer.h (current_vector_size): Change from an unsigned int
35688	to a poly_uint64.
35689	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Take
35690	the vector size as a poly_uint64 rather than an unsigned int.
35691	(current_vector_size): Change from an unsigned int to a poly_uint64.
35692	(get_vectype_for_scalar_type): Update accordingly.
35693	* tree.h (build_truth_vector_type): Take the size and number of
35694	units as a poly_uint64 rather than an unsigned int.
35695	(build_vector_type): Add a temporary overload that takes
35696	the number of units as a poly_uint64 rather than an unsigned int.
35697	* tree.c (make_vector_type): Likewise.
35698	(build_truth_vector_type): Take the number of units as a poly_uint64
35699	rather than an unsigned int.
35700
357012018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35702	    Alan Hayward  <alan.hayward@arm.com>
35703	    David Sherwood  <david.sherwood@arm.com>
35704
35705	* target.def (get_mask_mode): Take the number of units and length
35706	as poly_uint64s rather than unsigned ints.
35707	* targhooks.h (default_get_mask_mode): Update accordingly.
35708	* targhooks.c (default_get_mask_mode): Likewise.
35709	* config/i386/i386.c (ix86_get_mask_mode): Likewise.
35710	* doc/tm.texi: Regenerate.
35711
357122018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35713	    Alan Hayward  <alan.hayward@arm.com>
35714	    David Sherwood  <david.sherwood@arm.com>
35715
35716	* omp-general.h (omp_max_vf): Return a poly_uint64 instead of an int.
35717	* omp-general.c (omp_max_vf): Likewise.
35718	* omp-expand.c (omp_adjust_chunk_size): Update call to omp_max_vf.
35719	(expand_omp_simd): Handle polynomial safelen.
35720	* omp-low.c (omplow_simd_context): Add a default constructor.
35721	(omplow_simd_context::max_vf): Change from int to poly_uint64.
35722	(lower_rec_simd_input_clauses): Update accordingly.
35723	(lower_rec_input_clauses): Likewise.
35724
357252018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35726	    Alan Hayward  <alan.hayward@arm.com>
35727	    David Sherwood  <david.sherwood@arm.com>
35728
35729	* tree-vectorizer.h (vect_nunits_for_cost): New function.
35730	* tree-vect-loop.c (vect_model_reduction_cost): Use it.
35731	* tree-vect-slp.c (vect_analyze_slp_cost_1): Likewise.
35732	(vect_analyze_slp_cost): Likewise.
35733	* tree-vect-stmts.c (vect_model_store_cost): Likewise.
35734	(vect_model_load_cost): Likewise.
35735
357362018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35737	    Alan Hayward  <alan.hayward@arm.com>
35738	    David Sherwood  <david.sherwood@arm.com>
35739
35740	* tree-vect-slp.c (vect_record_max_nunits, vect_build_slp_tree_1)
35741	(vect_build_slp_tree_2, vect_build_slp_tree): Change max_nunits
35742	from an unsigned int * to a poly_uint64_pod *.
35743	(calculate_unrolling_factor): New function.
35744	(vect_analyze_slp_instance): Use it.  Track polynomial max_nunits.
35745
357462018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35747	    Alan Hayward  <alan.hayward@arm.com>
35748	    David Sherwood  <david.sherwood@arm.com>
35749
35750	* tree-vectorizer.h (_slp_instance::unrolling_factor): Change
35751	from an unsigned int to a poly_uint64.
35752	(_loop_vec_info::slp_unrolling_factor): Likewise.
35753	(_loop_vec_info::vectorization_factor): Change from an int
35754	to a poly_uint64.
35755	(MAX_VECTORIZATION_FACTOR): Bump from 64 to INT_MAX.
35756	(vect_get_num_vectors): New function.
35757	(vect_update_max_nunits, vect_vf_for_cost): Likewise.
35758	(vect_get_num_copies): Use vect_get_num_vectors.
35759	(vect_analyze_data_ref_dependences): Change max_vf from an int *
35760	to an unsigned int *.
35761	(vect_analyze_data_refs): Change min_vf from an int * to a
35762	poly_uint64 *.
35763	(vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather
35764	than an unsigned HOST_WIDE_INT.
35765	* tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr)
35766	(vect_analyze_data_ref_dependence): Change max_vf from an int *
35767	to an unsigned int *.
35768	(vect_analyze_data_ref_dependences): Likewise.
35769	(vect_compute_data_ref_alignment): Handle polynomial vf.
35770	(vect_enhance_data_refs_alignment): Likewise.
35771	(vect_prune_runtime_alias_test_list): Likewise.
35772	(vect_shift_permute_load_chain): Likewise.
35773	(vect_supportable_dr_alignment): Likewise.
35774	(dependence_distance_ge_vf): Take the vectorization factor as a
35775	poly_uint64 rather than an unsigned HOST_WIDE_INT.
35776	(vect_analyze_data_refs): Change min_vf from an int * to a
35777	poly_uint64 *.
35778	* tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Take
35779	vfm1 as a poly_uint64 rather than an int.  Make the same change
35780	for the returned bound_scalar.
35781	(vect_gen_vector_loop_niters): Handle polynomial vf.
35782	(vect_do_peeling): Likewise.  Update call to
35783	vect_gen_scalar_loop_niters and handle polynomial bound_scalars.
35784	(vect_gen_vector_loop_niters_mult_vf): Assert that the vf must
35785	be constant.
35786	* tree-vect-loop.c (vect_determine_vectorization_factor)
35787	(vect_update_vf_for_slp, vect_analyze_loop_2): Handle polynomial vf.
35788	(vect_get_known_peeling_cost): Likewise.
35789	(vect_estimate_min_profitable_iters, vectorizable_reduction): Likewise.
35790	(vect_worthwhile_without_simd_p, vectorizable_induction): Likewise.
35791	(vect_transform_loop): Likewise.  Use the lowest possible VF when
35792	updating the upper bounds of the loop.
35793	(vect_min_worthwhile_factor): Make static.  Return an unsigned int
35794	rather than an int.
35795	* tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Cope with
35796	polynomial unroll factors.
35797	(vect_analyze_slp_cost_1, vect_analyze_slp_instance): Likewise.
35798	(vect_make_slp_decision): Likewise.
35799	(vect_supported_load_permutation_p): Likewise, and polynomial
35800	vf too.
35801	(vect_analyze_slp_cost): Handle polynomial vf.
35802	(vect_slp_analyze_node_operations): Likewise.
35803	(vect_slp_analyze_bb_1): Likewise.
35804	(vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather
35805	than an unsigned HOST_WIDE_INT.
35806	* tree-vect-stmts.c (vectorizable_simd_clone_call, vectorizable_store)
35807	(vectorizable_load): Handle polynomial vf.
35808	* tree-vectorizer.c (simduid_to_vf::vf): Change from an int to
35809	a poly_uint64.
35810	(adjust_simduid_builtins, shrink_simd_arrays): Update accordingly.
35811
358122018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35813	    Alan Hayward  <alan.hayward@arm.com>
35814	    David Sherwood  <david.sherwood@arm.com>
35815
35816	* match.pd: Handle bit operations involving three constants
35817	and try to fold one pair.
35818
358192018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
35820
35821	* tree-vect-loop-manip.c: Include gimple-fold.h.
35822	(slpeel_make_loop_iterate_ntimes): Add step, final_iv and
35823	niters_maybe_zero parameters.  Handle other cases besides a step of 1.
35824	(vect_gen_vector_loop_niters): Add a step_vector_ptr parameter.
35825	Add a path that uses a step of VF instead of 1, but disable it
35826	for now.
35827	(vect_do_peeling): Add step_vector, niters_vector_mult_vf_var
35828	and niters_no_overflow parameters.  Update calls to
35829	slpeel_make_loop_iterate_ntimes and vect_gen_vector_loop_niters.
35830	Create a new SSA name if the latter choses to use a ste other
35831	than zero, and return it via niters_vector_mult_vf_var.
35832	* tree-vect-loop.c (vect_transform_loop): Update calls to
35833	vect_do_peeling, vect_gen_vector_loop_niters and
35834	slpeel_make_loop_iterate_ntimes.
35835	* tree-vectorizer.h (slpeel_make_loop_iterate_ntimes, vect_do_peeling)
35836	(vect_gen_vector_loop_niters): Update declarations after above changes.
35837
358382018-01-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
35839
35840	* config/rs6000/rs6000.md (floor<mode>2): Add support for IEEE
35841	128-bit round to integer instructions.
35842	(ceil<mode>2): Likewise.
35843	(btrunc<mode>2): Likewise.
35844	(round<mode>2): Likewise.
35845
358462018-01-02  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
35847
35848	* config/rs6000/rs6000-string.c (expand_block_move): Allow the use of
35849	unaligned VSX load/store on P8/P9.
35850	(expand_block_clear): Allow the use of unaligned VSX
35851	load/store on P8/P9.
35852
358532018-01-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
35854
35855	* config/rs6000/rs6000-p8swap.c (swap_feeds_both_load_and_store):
35856	New function.
35857	(rs6000_analyze_swaps): Mark a web unoptimizable if it contains a
35858	swap associated with both a load and a store.
35859
358602018-01-02  Andrew Waterman  <andrew@sifive.com>
35861
35862	* config/riscv/linux.h (ICACHE_FLUSH_FUNC): New.
35863	* config/riscv/riscv.md (clear_cache): Use it.
35864
358652018-01-02  Artyom Skrobov  <tyomitch@gmail.com>
35866
35867	* web.c: Remove out-of-date comment.
35868
358692018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35870
35871	* expr.c (fixup_args_size_notes): Check that any existing
35872	REG_ARGS_SIZE notes are correct, and don't try to re-add them.
35873	(emit_single_push_insn_1): Move stack_pointer_delta adjustment to...
35874	(emit_single_push_insn): ...here.
35875
358762018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35877
35878	* rtl.h (CONST_VECTOR_ELT): Redefine to const_vector_elt.
35879	(const_vector_encoded_nelts): New function.
35880	(CONST_VECTOR_NUNITS): Redefine to use GET_MODE_NUNITS.
35881	(const_vector_int_elt, const_vector_elt): Declare.
35882	* emit-rtl.c (const_vector_int_elt_1): New function.
35883	(const_vector_elt): Likewise.
35884	* simplify-rtx.c (simplify_immed_subreg): Avoid taking the address
35885	of CONST_VECTOR_ELT.
35886
358872018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35888
35889	* expr.c: Include rtx-vector-builder.h.
35890	(const_vector_mask_from_tree): Use rtx_vector_builder and operate
35891	directly on the tree encoding.
35892	(const_vector_from_tree): Likewise.
35893	* optabs.c: Include rtx-vector-builder.h.
35894	(expand_vec_perm_var): Use rtx_vector_builder and create a repeating
35895	sequence of "u" values.
35896	* vec-perm-indices.c: Include rtx-vector-builder.h.
35897	(vec_perm_indices_to_rtx): Use rtx_vector_builder and operate
35898	directly on the vec_perm_indices encoding.
35899
359002018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35901
35902	* doc/rtl.texi (const_vector): Describe new encoding scheme.
35903	* Makefile.in (OBJS): Add rtx-vector-builder.o.
35904	* rtx-vector-builder.h: New file.
35905	* rtx-vector-builder.c: Likewise.
35906	* rtl.h (rtx_def::u2): Add a const_vector field.
35907	(CONST_VECTOR_NPATTERNS): New macro.
35908	(CONST_VECTOR_NELTS_PER_PATTERN): Likewise.
35909	(CONST_VECTOR_DUPLICATE_P): Likewise.
35910	(CONST_VECTOR_STEPPED_P): Likewise.
35911	(CONST_VECTOR_ENCODED_ELT): Likewise.
35912	(const_vec_duplicate_p): Check for a duplicated vector encoding.
35913	(unwrap_const_vec_duplicate): Likewise.
35914	(const_vec_series_p): Check for a non-duplicated vector encoding.
35915	Say that the function only returns true for integer vectors.
35916	* emit-rtl.c: Include rtx-vector-builder.h.
35917	(gen_const_vec_duplicate_1): Delete.
35918	(gen_const_vector): Call gen_const_vec_duplicate instead of
35919	gen_const_vec_duplicate_1.
35920	(const_vec_series_p_1): Operate directly on the CONST_VECTOR encoding.
35921	(gen_const_vec_duplicate): Use rtx_vector_builder.
35922	(gen_const_vec_series): Likewise.
35923	(gen_rtx_CONST_VECTOR): Likewise.
35924	* config/powerpcspe/powerpcspe.c: Include rtx-vector-builder.h.
35925	(swap_const_vector_halves): Take an rtx pointer rather than rtx.
35926	Build a new vector rather than modifying a CONST_VECTOR in-place.
35927	(handle_special_swappables): Update call accordingly.
35928	* config/rs6000/rs6000-p8swap.c: Include rtx-vector-builder.h.
35929	(swap_const_vector_halves): Take an rtx pointer rather than rtx.
35930	Build a new vector rather than modifying a CONST_VECTOR in-place.
35931	(handle_special_swappables): Update call accordingly.
35932
359332018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35934
35935	* simplify-rtx.c (simplify_const_binary_operation): Use
35936	CONST_VECTOR_ELT instead of XVECEXP.
35937
359382018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35939
35940	* tree-cfg.c (verify_gimple_assign_ternary): Allow the size of
35941	the selector elements to be different from the data elements
35942	if the selector is a VECTOR_CST.
35943	* tree-vect-stmts.c (vect_gen_perm_mask_any): Use a vector of
35944	ssizetype for the selector.
35945
359462018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35947
35948	* optabs.c (shift_amt_for_vec_perm_mask): Try using series_p
35949	before testing each element individually.
35950	* tree-vect-generic.c (lower_vec_perm): Likewise.
35951
359522018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35953
35954	* selftest.h (selftest::vec_perm_indices_c_tests): Declare.
35955	* selftest-run-tests.c (selftest::run_tests): Call it.
35956	* vector-builder.h (vector_builder::operator ==): New function.
35957	(vector_builder::operator !=): Likewise.
35958	* vec-perm-indices.h (vec_perm_indices::series_p): Declare.
35959	(vec_perm_indices::all_from_input_p): New function.
35960	* vec-perm-indices.c (vec_perm_indices::series_p): Likewise.
35961	(test_vec_perm_12, selftest::vec_perm_indices_c_tests): Likewise.
35962	* fold-const.c (fold_ternary_loc): Use tree_to_vec_perm_builder
35963	instead of reading the VECTOR_CST directly.  Detect whether both
35964	vector inputs are the same before constructing the vec_perm_indices,
35965	and update the number of inputs argument accordingly.  Use the
35966	utility functions added above.  Only construct sel2 if we need to.
35967
359682018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35969
35970	* optabs.c (expand_vec_perm_var): Use an explicit encoding for
35971	the broadcast of the low byte.
35972	(expand_mult_highpart): Use an explicit encoding for the permutes.
35973	* optabs-query.c (can_mult_highpart_p): Likewise.
35974	* tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
35975	* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
35976	(vectorizable_bswap): Likewise.
35977	* tree-vect-data-refs.c (vect_grouped_store_supported): Use an
35978	explicit encoding for the power-of-2 permutes.
35979	(vect_permute_store_chain): Likewise.
35980	(vect_grouped_load_supported): Likewise.
35981	(vect_permute_load_chain): Likewise.
35982
359832018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35984
35985	* vec-perm-indices.h (vec_perm_indices_to_tree): Declare.
35986	* vec-perm-indices.c (vec_perm_indices_to_tree): New function.
35987	* tree-ssa-forwprop.c (simplify_vector_constructor): Use it.
35988	* tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
35989	* tree-vect-stmts.c (vectorizable_bswap): Likewise.
35990	(vect_gen_perm_mask_any): Likewise.
35991
359922018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
35993
35994	* int-vector-builder.h: New file.
35995	* vec-perm-indices.h: Include int-vector-builder.h.
35996	(vec_perm_indices): Redefine as an int_vector_builder.
35997	(auto_vec_perm_indices): Delete.
35998	(vec_perm_builder): Redefine as a stand-alone class.
35999	(vec_perm_indices::vec_perm_indices): New function.
36000	(vec_perm_indices::clamp): Likewise.
36001	* vec-perm-indices.c: Include fold-const.h and tree-vector-builder.h.
36002	(vec_perm_indices::new_vector): New function.
36003	(vec_perm_indices::new_expanded_vector): Update for new
36004	vec_perm_indices class.
36005	(vec_perm_indices::rotate_inputs): New function.
36006	(vec_perm_indices::all_in_range_p): Operate directly on the
36007	encoded form, without computing elided elements.
36008	(tree_to_vec_perm_builder): Operate directly on the VECTOR_CST
36009	encoding.  Update for new vec_perm_indices class.
36010	* optabs.c (expand_vec_perm_const): Create a vec_perm_indices for
36011	the given vec_perm_builder.
36012	(expand_vec_perm_var): Update vec_perm_builder constructor.
36013	(expand_mult_highpart): Use vec_perm_builder instead of
36014	auto_vec_perm_indices.
36015	* optabs-query.c (can_mult_highpart_p): Use vec_perm_builder and
36016	vec_perm_indices instead of auto_vec_perm_indices.  Use a single
36017	or double series encoding as appropriate.
36018	* fold-const.c (fold_ternary_loc): Use vec_perm_builder and
36019	vec_perm_indices instead of auto_vec_perm_indices.
36020	* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
36021	* tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
36022	(vect_permute_store_chain): Likewise.
36023	(vect_grouped_load_supported): Likewise.
36024	(vect_permute_load_chain): Likewise.
36025	(vect_shift_permute_load_chain): Likewise.
36026	* tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
36027	(vect_transform_slp_perm_load): Likewise.
36028	(vect_schedule_slp_instance): Likewise.
36029	* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
36030	(vectorizable_mask_load_store): Likewise.
36031	(vectorizable_bswap): Likewise.
36032	(vectorizable_store): Likewise.
36033	(vectorizable_load): Likewise.
36034	* tree-vect-generic.c (lower_vec_perm): Use vec_perm_builder and
36035	vec_perm_indices instead of auto_vec_perm_indices.  Use
36036	tree_to_vec_perm_builder to read the vector from a tree.
36037	* tree-vect-loop.c (calc_vec_perm_mask_for_shift): Take a
36038	vec_perm_builder instead of a vec_perm_indices.
36039	(have_whole_vector_shift): Use vec_perm_builder and
36040	vec_perm_indices instead of auto_vec_perm_indices.  Leave the
36041	truncation to calc_vec_perm_mask_for_shift.
36042	(vect_create_epilog_for_reduction): Likewise.
36043	* config/aarch64/aarch64.c (expand_vec_perm_d::perm): Change
36044	from auto_vec_perm_indices to vec_perm_indices.
36045	(aarch64_expand_vec_perm_const_1): Use rotate_inputs on d.perm
36046	instead of changing individual elements.
36047	(aarch64_vectorize_vec_perm_const): Use new_vector to install
36048	the vector in d.perm.
36049	* config/arm/arm.c (expand_vec_perm_d::perm): Change
36050	from auto_vec_perm_indices to vec_perm_indices.
36051	(arm_expand_vec_perm_const_1): Use rotate_inputs on d.perm
36052	instead of changing individual elements.
36053	(arm_vectorize_vec_perm_const): Use new_vector to install
36054	the vector in d.perm.
36055	* config/powerpcspe/powerpcspe.c (rs6000_expand_extract_even):
36056	Update vec_perm_builder constructor.
36057	(rs6000_expand_interleave): Likewise.
36058	* config/rs6000/rs6000.c (rs6000_expand_extract_even): Likewise.
36059	(rs6000_expand_interleave): Likewise.
36060
360612018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
36062
36063	* optabs-query.c (can_vec_perm_var_p): Check whether lowering
36064	to qimode could truncate the indices.
36065	* optabs.c (expand_vec_perm_var): Likewise.
36066
360672018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
36068
36069	* Makefile.in (OBJS): Add vec-perm-indices.o.
36070	* vec-perm-indices.h: New file.
36071	* vec-perm-indices.c: Likewise.
36072	* target.h (vec_perm_indices): Replace with a forward class
36073	declaration.
36074	(auto_vec_perm_indices): Move to vec-perm-indices.h.
36075	* optabs.h: Include vec-perm-indices.h.
36076	(expand_vec_perm): Delete.
36077	(selector_fits_mode_p, expand_vec_perm_var): Declare.
36078	(expand_vec_perm_const): Declare.
36079	* target.def (vec_perm_const_ok): Replace with...
36080	(vec_perm_const): ...this new hook.
36081	* doc/tm.texi.in (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Replace with...
36082	(TARGET_VECTORIZE_VEC_PERM_CONST): ...this new hook.
36083	* doc/tm.texi: Regenerate.
36084	* optabs.def (vec_perm_const): Delete.
36085	* doc/md.texi (vec_perm_const): Likewise.
36086	(vec_perm): Refer to TARGET_VECTORIZE_VEC_PERM_CONST.
36087	* expr.c (expand_expr_real_2): Use expand_vec_perm_const rather than
36088	expand_vec_perm for constant permutation vectors.  Assert that
36089	the mode of variable permutation vectors is the integer equivalent
36090	of the mode that is being permuted.
36091	* optabs-query.h (selector_fits_mode_p): Declare.
36092	* optabs-query.c: Include vec-perm-indices.h.
36093	(selector_fits_mode_p): New function.
36094	(can_vec_perm_const_p): Check whether targetm.vectorize.vec_perm_const
36095	is defined, instead of checking whether the vec_perm_const_optab
36096	exists.  Use targetm.vectorize.vec_perm_const instead of
36097	targetm.vectorize.vec_perm_const_ok.  Check whether the indices
36098	fit in the vector mode before using a variable permute.
36099	* optabs.c (shift_amt_for_vec_perm_mask): Take a mode and a
36100	vec_perm_indices instead of an rtx.
36101	(expand_vec_perm): Replace with...
36102	(expand_vec_perm_const): ...this new function.  Take the selector
36103	as a vec_perm_indices rather than an rtx.  Also take the mode of
36104	the selector.  Update call to shift_amt_for_vec_perm_mask.
36105	Use targetm.vectorize.vec_perm_const instead of vec_perm_const_optab.
36106	Use vec_perm_indices::new_expanded_vector to expand the original
36107	selector into bytes.  Check whether the indices fit in the vector
36108	mode before using a variable permute.
36109	(expand_vec_perm_var): Make global.
36110	(expand_mult_highpart): Use expand_vec_perm_const.
36111	* fold-const.c: Includes vec-perm-indices.h.
36112	* tree-ssa-forwprop.c: Likewise.
36113	* tree-vect-data-refs.c: Likewise.
36114	* tree-vect-generic.c: Likewise.
36115	* tree-vect-loop.c: Likewise.
36116	* tree-vect-slp.c: Likewise.
36117	* tree-vect-stmts.c: Likewise.
36118	* config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm_const):
36119	Delete.
36120	* config/aarch64/aarch64-simd.md (vec_perm_const<mode>): Delete.
36121	* config/aarch64/aarch64.c (aarch64_expand_vec_perm_const)
36122	(aarch64_vectorize_vec_perm_const_ok): Fuse into...
36123	(aarch64_vectorize_vec_perm_const): ...this new function.
36124	(TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
36125	(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
36126	* config/arm/arm-protos.h (arm_expand_vec_perm_const): Delete.
36127	* config/arm/vec-common.md (vec_perm_const<mode>): Delete.
36128	* config/arm/arm.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
36129	(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
36130	(arm_expand_vec_perm_const, arm_vectorize_vec_perm_const_ok): Merge
36131	into...
36132	(arm_vectorize_vec_perm_const): ...this new function.  Explicitly
36133	check for NEON modes.
36134	* config/i386/i386-protos.h (ix86_expand_vec_perm_const): Delete.
36135	* config/i386/sse.md (VEC_PERM_CONST, vec_perm_const<mode>): Delete.
36136	* config/i386/i386.c (ix86_expand_vec_perm_const_1): Update comment.
36137	(ix86_expand_vec_perm_const, ix86_vectorize_vec_perm_const_ok): Merge
36138	into...
36139	(ix86_vectorize_vec_perm_const): ...this new function.  Incorporate
36140	the old VEC_PERM_CONST conditions.
36141	* config/ia64/ia64-protos.h (ia64_expand_vec_perm_const): Delete.
36142	* config/ia64/vect.md (vec_perm_const<mode>): Delete.
36143	* config/ia64/ia64.c (ia64_expand_vec_perm_const)
36144	(ia64_vectorize_vec_perm_const_ok): Merge into...
36145	(ia64_vectorize_vec_perm_const): ...this new function.
36146	* config/mips/loongson.md (vec_perm_const<mode>): Delete.
36147	* config/mips/mips-msa.md (vec_perm_const<mode>): Delete.
36148	* config/mips/mips-ps-3d.md (vec_perm_constv2sf): Delete.
36149	* config/mips/mips-protos.h (mips_expand_vec_perm_const): Delete.
36150	* config/mips/mips.c (mips_expand_vec_perm_const)
36151	(mips_vectorize_vec_perm_const_ok): Merge into...
36152	(mips_vectorize_vec_perm_const): ...this new function.
36153	* config/powerpcspe/altivec.md (vec_perm_constv16qi): Delete.
36154	* config/powerpcspe/paired.md (vec_perm_constv2sf): Delete.
36155	* config/powerpcspe/spe.md (vec_perm_constv2si): Delete.
36156	* config/powerpcspe/vsx.md (vec_perm_const<mode>): Delete.
36157	* config/powerpcspe/powerpcspe-protos.h (altivec_expand_vec_perm_const)
36158	(rs6000_expand_vec_perm_const): Delete.
36159	* config/powerpcspe/powerpcspe.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK):
36160	Delete.
36161	(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
36162	(altivec_expand_vec_perm_const_le): Take each operand individually.
36163	Operate on constant selectors rather than rtxes.
36164	(altivec_expand_vec_perm_const): Likewise.  Update call to
36165	altivec_expand_vec_perm_const_le.
36166	(rs6000_expand_vec_perm_const): Delete.
36167	(rs6000_vectorize_vec_perm_const_ok): Delete.
36168	(rs6000_vectorize_vec_perm_const): New function.
36169	(rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of
36170	an element count and rtx array.
36171	(rs6000_expand_extract_even): Update call accordingly.
36172	(rs6000_expand_interleave): Likewise.
36173	* config/rs6000/altivec.md (vec_perm_constv16qi): Delete.
36174	* config/rs6000/paired.md (vec_perm_constv2sf): Delete.
36175	* config/rs6000/vsx.md (vec_perm_const<mode>): Delete.
36176	* config/rs6000/rs6000-protos.h (altivec_expand_vec_perm_const)
36177	(rs6000_expand_vec_perm_const): Delete.
36178	* config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
36179	(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
36180	(altivec_expand_vec_perm_const_le): Take each operand individually.
36181	Operate on constant selectors rather than rtxes.
36182	(altivec_expand_vec_perm_const): Likewise.  Update call to
36183	altivec_expand_vec_perm_const_le.
36184	(rs6000_expand_vec_perm_const): Delete.
36185	(rs6000_vectorize_vec_perm_const_ok): Delete.
36186	(rs6000_vectorize_vec_perm_const): New function.  Remove stray
36187	reference to the SPE evmerge intructions.
36188	(rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of
36189	an element count and rtx array.
36190	(rs6000_expand_extract_even): Update call accordingly.
36191	(rs6000_expand_interleave): Likewise.
36192	* config/sparc/sparc.md (vec_perm_constv8qi): Delete in favor of...
36193	* config/sparc/sparc.c (sparc_vectorize_vec_perm_const): ...this
36194	new function.
36195	(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
36196
361972018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
36198
36199	* optabs.c (expand_vec_perm_1): Assert that SEL has an integer
36200	vector mode and that that mode matches the mode of the data
36201	being permuted.
36202	(expand_vec_perm): Split handling of non-CONST_VECTOR selectors
36203	out into expand_vec_perm_var.  Do all CONST_VECTOR handling here,
36204	directly using expand_vec_perm_1 when forcing selectors into
36205	registers.
36206	(expand_vec_perm_var): New function, split out from expand_vec_perm.
36207
362082018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
36209
36210	* optabs-query.h (can_vec_perm_p): Delete.
36211	(can_vec_perm_var_p, can_vec_perm_const_p): Declare.
36212	* optabs-query.c (can_vec_perm_p): Split into...
36213	(can_vec_perm_var_p, can_vec_perm_const_p): ...these two functions.
36214	(can_mult_highpart_p): Use can_vec_perm_const_p to test whether a
36215	particular selector is valid.
36216	* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
36217	* tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
36218	(vect_grouped_load_supported): Likewise.
36219	(vect_shift_permute_load_chain): Likewise.
36220	* tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
36221	(vect_transform_slp_perm_load): Likewise.
36222	* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
36223	(vectorizable_bswap): Likewise.
36224	(vect_gen_perm_mask_checked): Likewise.
36225	* fold-const.c (fold_ternary_loc): Likewise.  Don't take
36226	implementations of variable permutation vectors into account
36227	when deciding which selector to use.
36228	* tree-vect-loop.c (have_whole_vector_shift): Don't check whether
36229	vec_perm_const_optab is supported; instead use can_vec_perm_const_p
36230	with a false third argument.
36231	* tree-vect-generic.c (lower_vec_perm): Use can_vec_perm_const_p
36232	to test whether the constant selector is valid and can_vec_perm_var_p
36233	to test whether a variable selector is valid.
36234
362352018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
36236
36237	* optabs-query.h (can_vec_perm_p): Take a const vec_perm_indices *.
36238	* optabs-query.c (can_vec_perm_p): Likewise.
36239	* fold-const.c (fold_vec_perm): Take a const vec_perm_indices &
36240	instead of vec_perm_indices.
36241	* tree-vectorizer.h (vect_gen_perm_mask_any): Likewise,
36242	(vect_gen_perm_mask_checked): Likewise,
36243	* tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise,
36244	(vect_gen_perm_mask_checked): Likewise,
36245
362462018-01-02  Richard Sandiford  <richard.sandiford@linaro.org>
36247
36248	* optabs-query.h (qimode_for_vec_perm): Declare.
36249	* optabs-query.c (can_vec_perm_p): Split out qimode search to...
36250	(qimode_for_vec_perm): ...this new function.
36251	* optabs.c (expand_vec_perm): Use qimode_for_vec_perm.
36252
362532018-01-02  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
36254
36255	* rtlanal.c (canonicalize_condition): Return 0 if final rtx
36256	does not have a conditional at the top.
36257
362582018-01-02  Richard Biener  <rguenther@suse.de>
36259
36260	* ipa-inline.c (big_speedup_p): Fix expression.
36261
362622018-01-02  Jan Hubicka  <hubicka@ucw.cz>
36263
36264	PR target/81616
36265	* config/i386/x86-tune-costs.h: Increase cost of integer load costs
36266	for generic 4->6.
36267
362682018-01-02  Jan Hubicka  <hubicka@ucw.cz>
36269
36270	PR target/81616
36271	Generic tuning.
36272	* x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17,
36273	cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14
36274	and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase
36275	cond_taken_branch_cost 3->4.
36276
362772018-01-01  Jakub Jelinek  <jakub@redhat.com>
36278
36279	PR tree-optimization/83581
36280	* tree-loop-distribution.c (pass_loop_distribution::execute): Return
36281	TODO_cleanup_cfg if any changes have been made.
36282
36283	PR middle-end/83608
36284	* expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of
36285	convert_modes if target mode has the right side, but different mode
36286	class.
36287
36288	PR middle-end/83609
36289	* expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg
36290	last argument when extracting from CONCAT.  If either from_real or
36291	from_imag is NULL, use expansion through memory.  If result is not
36292	a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg
36293	the parts directly to inner mode, if even that fails, use expansion
36294	through memory.
36295
36296	PR middle-end/83623
36297	* expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT,
36298	check for bswap in mode rather than HImode and use that in expand_unop
36299	too.
36300
36301Copyright (C) 2018 Free Software Foundation, Inc.
36302
36303Copying and distribution of this file, with or without modification,
36304are permitted in any medium without royalty provided the copyright
36305notice and this notice are preserved.
36306