12006-12-31  Richard Guenther  <rguenther@suse.de>
2
3	PR middle-end/30137
4	* fold-const.c (fold_comparison): Fold comparison of addresses
5	of components.
6
72006-12-31  Roger Sayle  <roger@eyesopen.com>
8
9	PR middle-end/30322
10	* fold-const.c (fold_binary): Fold X + ~X and ~X + X into -1 when
11	we don't care about trapping overflow.  Only convert -A - 1 into ~A
12	when we don't care about trapping overflow.
13
142006-12-31  Richard Guenther  <rguenther@suse.de>
15
16	PR middle-end/30338
17	* fold-const.c (fold_binary): Fix type-mismatch in folding
18	of -1 - A to ~A.
19
202006-12-30  Kazu Hirata  <kazu@codesourcery.com>
21
22	* tree-inline.c: Fix a comment typo.
23
242006-12-30  Jan Hubicka  <jh@suse.cz>
25
26	* ipa-pure-const.c (check_operand): SSA_NAME is safe.
27	* ipa-type-escape.c (scan_for_refs): Look into SSA_NAMEs.
28
292006-12-30  Jan Hubicka  <jh@suse.cz>
30
31	* tree.h (DECL_CALL_CLOBBERED): Remove.
32	(tree_decl_common): Remove call_clobbered flag.
33	* tree-flow.h (struct var_ann_d): Add call_clobbered flag.
34	* tree-ssa-alias.c (mark_non_addressable, reset_cc_flags): Update.
35	* tree-flow-inline.h (is_call_clobbered, mark_call_clobbered,
36	clear_call_clobbered): Update.
37	* tree-ssa.c (verify_call_clobbering): Update.
38
392006-12-30  Jan Hubicka  <jh@suse.cz>
40
41	* tree-ssa-alias.c (create_structure_vars): When in SSA, update operand
42	caches.
43	* tree-ssa-operands.c (build_ssa_operands): Recompute addresses_taken
44	bitmap.
45
462006-12-30  Jan Hubicka  <jh@suse.cz>
47	    Vladimir Yanovsky <volodyan@gmail.com>
48
49	* emit-rt.c (emit_copy_of_insn_after): Fix bug causing exponential
50	amount of copies of INSN_NOTEs list.
51
522006-12-29  Jan Hubicka  <jh@suse.cz>
53
54	* cgraph.c (cgraph_expand_queue): Rename to...
55	(cgraph_new_nodes): ... this one.
56	(cgraph_state): New global variable.
57	(cgraph_add_new_function): Work in more cases.
58	* cgraph.h (cgraph_expand_queue): Rename to ...
59	(cgraph_new_nodes): ... this one.
60	(cgraph_state): New enum and static variable.
61	(cgraph_add_new_function): Update prototype.
62	(cgraph_process_new_functions): New.
63	* omp-low.c (expand_omp_parallel): Update.
64	* cgraphunit.c (initialize_inline_failed): Declare early.
65	(cgraph_process_new_functions): New function.
66	(cgraph_assemble_pending_functions): Use it.
67	(cgraph_expand_all_functions): Use it.
68	(cgraph_optimize): Use it; set cgraph_state.
69	* passes.c (execute_one_pass, execute_ipa_pass_list): Process new
70	functions
71
722006-12-29  Kazu Hirata  <kazu@codesourcery.com>
73
74	* tree-cfg.c (last_stmt_ptr): Remove.
75	* tree-flow.h: Remove the prototype for last_stmt_ptr.
76
77	* config/i386/i386.h (NON_QI_REG_P): Remove.
78	* config/i386/predicates.md (non_q_regs_operand): Remove.
79
802006-12-29  Ian Lance Taylor  <iant@google.com>
81
82	* c-common.c (c_define_builtins): New static function broken out
83	of c_common_nodes_and_builtins.
84	(c_common_nodes_and_builtins): Call c_define_builtins unless only
85	doing preprocessing.
86
872006-12-29  Jan Hubicka  <jh@suse.cz>
88
89	* tree-inline.c (remap_ssa_name): New function.
90	(remap_decl): Update SSA datastructures for DECLs.
91	(copy_body_r): Deal with SSA_NAMEs; add referenced global vars.
92	(copy_bb): Set SSA_NAME def stmts.
93	(update_ssa_acorss_eh_edges): New function.
94	(copy_edge_for_bb): Call it; mark new vars for renaming.
95	(copy_phis_for_bb): New function.
96	(initialize_cfun): Break out from ...
97	(copy_cfg_body): ... here; maintain AUX map for both directions;
98	call SSA updating workers; do not produce copy of cfun to be copied.
99	(setup_one_parameter): Do propagation across SSA form.
100	(declare_return_variable): Work on SSA; use return_slot instead of
101	address of return slot of argument to avoid folding back and forth.
102	(expand_call_inline): Update SSA from on return values.
103	(optimize_inline_calls): Do sanity checking, dead blocks removal,
104	update SSA form.
105	(tree_function_verioning): Update initialize_cfun.
106
1072006-12-29  Marcin Dalecki  <martin@dalecki.de>
108
109	* doc/invoke.texi: Replace no longer supported -fno-strength-reduce
110	with -fmerge-constants in sample code.
111
1122006-12-28  Kazu Hirata  <kazu@codesourcery.com>
113
114	* Makefile.in (OBJS-common): Remove conflict.o
115	(conflict.o): Remove.
116	* basic-block.h: Remove the prototypes for conflict.c.
117	* conflict.c: Remove.
118
1192006-12-27  Daniel Berlin  <dberlin@dberlin.org>
120
121	* sbitmap.c (BITMAP_DEBUGGING): New macro.
122	(do_popcount): Ditto.
123	(sbitmap_verify_popcount): New function.
124	(sbitmap_alloc): Set popcount to NULL, remove set of bytes
125	member.
126	(sbitmap_alloc_with_popcount): New function.
127	(sbitmap_resize): Remove uses of bytes member and update
128	popcount.
129	(sbitmap_realloc): Remove uses of bytes member.
130	(sbitmap_copy): Copy popcount.
131	(sbitmap_copy_n): New function.
132	(sbitmap_zero): Update popcount cache.
133	(sbitmap_ones): Ditto.
134	(sbitmap_a_and_b): Ditto.
135	(sbitmap_a_or_b): Ditto.
136	(sbitmap_a_xor_b): Ditto.
137	(sbitmap_union_of_diff_cg): Assert non-existence of popcount
138	cache.
139	(sbitmap_union_of_diff): Ditto.
140	(sbitmap_not): Ditto.
141	(sbitmap_difference): Ditto.
142	(sbitmap_a_and_b_cg): Ditto.
143	(sbitmap_a_xor_b_cg): Ditto.
144	(sbitmap_a_or_b_cg): Ditto.
145	(sbitmap_a_or_b_and_c_cg): Ditto.
146	(sbitmap_a_and_b_or_c_cg): Ditto.
147	(sbitmap_intersection_of_succs): Ditto.
148	(sbitmap_intersection_of_preds): Ditto.
149	(sbitmap_union_of_succs): Ditto.
150	(sbitmap_union_of_preds): Ditto.
151	(popcount_table): New.
152	(sbitmap_elt_popcount): New function.
153	(sbitmap_popcount): Ditto.
154
155	* sbitmap.h (sbitmap): Remove bytes member.
156	Add popcount member.
157	(SET_BIT): Macro turned into function.
158	(RESET_BIT): Ditto.
159	(SBITMAP_SIZE_BYTES): New macro.
160	(sbitmap_free): Free popcount too.
161	(sbitmap_alloc_with_popcount): New prototype.
162	(sbitmap_copy_n): Ditto.
163	(sbitmap_verify_popcount): Ditto.
164
1652006-12-27  Ian Lance Taylor  <iant@google.com>
166
167	PR debug/26964
168	* dwarf2out.c (gen_type_die): Don't write out a DIE for
169	ENUMERAL_TYPE if it was already written out.
170
1712006-12-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
172
173	PR middle-end/29335
174	* builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
175	do_mpfr_sincos): Ensure target base equals two.
176
1772006-12-26  Kazu Hirata  <kazu@codesourcery.com>
178
179	* tree-ssa-operands.c: Fix a comment typo.
180
1812006-12-25  Kazu Hirata  <kazu@codesourcery.com>
182
183	* tree-vectorizer.h (VECT_SMODULO): Remove.
184
1852006-12-24  Andreas Tobler  <a.tobler@schweiz.org>
186
187	* config/pa/pa.c: Remove heap vector type defines.
188
1892006-12-24  Jan Hubicka  <jh@suse.cz>
190
191	* tree-ssa-operands.h (struct ssa_operand_memory_d):
192	add ssa_operand_mem_size.
193	* tree-ssa-operands.c (operands_bitmap_obstack): New.
194	(ssa_operand_mem_size): Remove.
195	(init_ssa_operands): Initialize obstack; use it.
196	(fini_ssa_operands): Release obstack.
197	(ssa_operand_alloc): Update.
198	(finalize_ssa_vdefs, finalize_ssa_vuse_ops, copy_virtual_operands,
199	get_mpt_for): Use obstack.
200	* tree-ssa.c (delete_tree_ssa): Call fini_ssa_operands.
201	* tree-outof-ssa.c: (remove_ssa_form): Don't call it here.
202
2032006-12-24  Jan Hubicka  <jh@suse.cz>
204
205	* tree-mudflap.c (ml_decl_cache_locals, md_build_check_statement_for):
206	add newly referenced vars.
207
2082006-12-24  Kazu Hirata  <kazu@codesourcery.com>
209
210	* basic-block.h: Remove the prototype for
211	expected_value_to_br_prob.
212	* rtl.h: Remove the prototypes for expand_builtin_expect_jump
213	and purge_line_number_notes.
214
2152006-12-23  Zdenek Dvorak <dvorakz@suse.cz>
216
217	* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne,
218	assert_no_overflow_lt, assert_loop_rolls_lt,
219	number_of_iterations_lt, number_of_iterations_le,
220	number_of_iterations_cond, number_of_iterations_exit):
221	Use integer_zerop/integer_nonzerop instead of
222	null_or_integer_zerop/nonnull_and_integer_nonzerop.
223	* tree.h (null_or_integer_zerop, nonnull_and_integer_nonzerop):
224	Removed.
225	* tree-scalar-evolution.c (simple_iv): Return zero for step of
226	an invariant.
227	* tree-ssa-loop-ivopts.c (alloc_iv): Do not set step of invariants
228	to zero.
229	(get_iv): Return NULL for non-scalar types.  Use zero as a step
230	of an invariant.
231	(determine_biv_step, find_interesting_uses_op,
232	find_interesting_uses_cond, find_interesting_uses_stmt,
233	add_old_ivs_candidates, determine_use_iv_cost_condition,
234	rewrite_use_compare, remove_unused_ivs):
235	Use integer_zerop instead of null_or_integer_zerop.
236	(struct ifs_ivopts_data): Replace step_p field with step field.
237	(idx_find_step): Use zero as a step of an invariant.  Modify
238	step instead of *step_p.
239	(find_interesting_uses_address): Use zero as a step of an invariant.
240	Use integer_zerop instead of null_or_integer_zerop.
241	(find_interesting_uses_outside): Call find_interesting_uses_op only
242	for phi nodes for real operands.
243	(add_candidate_1): Expect step to be non-NULL.
244	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Expect step to be
245	non-NULL.
246
2472006-12-23  Andrew Pinski  <pinskia@gmail.com>
248
249	* vec.c: Don't include tree.h.
250	* Makefile.in (vec.o): Update dependencies.
251	(build/vec.o): Likewise.
252
2532006-12-23  Kazu Hirata  <kazu@codesourcery.com>
254
255	* common.opt (flag_force_mem): Remove.
256	* doc/invoke.texi (-fforce-mem): Remove.
257	* opts.c (common_handle_option): Don't handle OPT_fforce_mem.
258
259	* Makefile.in (final.o): Depend on vecprim.h.
260	* final.c: Include vecprim.h.
261	(insn_addresses_): Change the type to VEC(int,heap)*.
262	* insn-addr.h (INSN_ADDRESSES_DEFN): Remove.
263	(INSN_ADDRESSES, INSN_ADDRESSES_ALLOC, INSN_ADDRESSES_SIZE,
264	INSN_ADDRESSES_NEW): Use VEC instead of VARRAY.
265
2662006-12-23  Marcin Dalecki  <martin@dalecki.de>
267
268	* cgraphunit.c (cgraph_optimize): Fixed obvious thinko in memory
269	consumption reporting.
270
2712006-12-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
272
273	PR middle-end/7651
274	* c.opt (Wmissing-parameter-type): New.
275	* doc/invoke.texi (Wmissing-parameter-type): Document it.
276	(Wextra): Enabled by -Wextra.
277	* c-opts.c (c_common_post_options): Enabled by -Wextra.
278	* c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
279	Wmissing-parameter-type.
280
2812006-12-23  Eric Botcazou  <ebotcazou@adacore.com>
282
283	* dwarf2out.c (dbx_reg_number): Do leaf register remapping
284	only if the function is leaf.
285	(multiple_reg_loc_descriptor): Likewise.
286
2872006-12-23  Kazu Hirata  <kazu@codesourcery.com>
288
289	* rtl.h (NOTE_EXPECTED_VALUE): Remove.
290
2912006-12-23  Jan Hubicka  <jh@suse.cz>
292
293	* toplev.c (dump_memory_report): Break out from...
294	(finalize): Here.
295	* toplev.h (dump_memory_report): Declare.
296	(cmp_statistic): Rename to ...
297	(final_cmp_statistic): ... this one
298	(cmp_statistic): New.
299	(dump_ggc_loc_staitsitcs): New FINAL parpameter.
300	* common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
301	* varray.c (dump_varray_staitiscs): Do not segfault when no varray was
302	allocated so far.
303	* cgraphunit.c (cgraph_optimize): Dump the memory reports.
304
3052006-12-22  Mike Stump  <mrs@apple.com>
306
307	* config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
308	-mmacosx-version-min=10.4.
309	(crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
310
3112006-12-23  Jan Hubicka  <jh@suse.cz>
312
313	* tree-flow-inline.h (var_ann): External variable annotations are
314	unshared too.
315	(tree_common_ann): Handle correctly unshared variables annotations.
316	* tree-dfa.c (create_var_ann): External variable annotations are
317	unshared too.
318
3192006-12-22  Kazu Hirata  <kazu@codesourcery.com>
320
321	* basic-block.h: Remove the prototype for
322	commit_edge_insertions_watch_calls.
323 	* cfgrtl.c (commit_edge_insertion): Drop the last argument.
324	Simplify.
325	(commit_edge_insertions_watch_calls): Remove.
326	(commit_edge_insertions): Adjust the call to
327	commit_one_edge_insertion.
328
3292006-12-22  Zdenek Dvorak <dvorakz@suse.cz>
330
331	* tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
332	(number_of_iterations_ne, number_of_iterations_lt_to_ne,
333	assert_no_overflow_lt, assert_loop_rolls_lt,
334	number_of_iterations_lt, number_of_iterations_le,
335	number_of_iterations_cond, tree_simplify_using_condition_1,
336	number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
337	implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
338	idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
339	Do not use zero_p/nonzero_p.
340	* tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
341	* tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
342	find_interesting_uses_op, find_interesting_uses_cond,
343	find_interesting_uses_address, find_interesting_uses_stmt,
344	strip_offset_1, add_candidate_1, add_old_ivs_candidates,
345	difference_cost, determine_use_iv_cost_condition,
346	rewrite_use_compare, remove_unused_ivs): Ditto.
347	* tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
348	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
349	* tree-cfg.c (find_taken_edge_cond_expr): Ditto.
350	* tree.h (zero_p): Declaration removed.
351	(null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
352
3532006-12-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
354
355	PR middle-end/7651
356	* c.opt (Wclobbered): New.
357	* doc/invoke.texi (Wclobbered): Document it.
358	(Wextra): Enabled by -Wextra.
359	* c-opts.c (c_common_post_options): Enabled by -Wextra.
360	* flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
361	* function.c (setjmp_vars_warning): Only warn for Wclobbered.
362	(setjmp_args_warning): Likewise.
363
3642006-12-22  Kazu Hirata  <kazu@codesourcery.com>
365
366	* config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
367	tree-ssa-ter.c: Fix comment typos.
368
3692006-12-22  Paolo Bonzini  <bonzini@gnu.org>
370
371	PR rtl-optimization/29840
372
373	* fwprop.c (forward_propagate_into): Reject artificial uses/defs.
374	(fwprop_init): Add DF_HARD_REGS to df_init call.
375
3762006-12-21  Andrew Pinski  <pinskia@gmail.com>
377
378	* tree-nested.c (create_tmp_var_for): Check for vector type
379	when setting DECL_GIMPLE_REG_P.
380
3812006-12-21  Roger Sayle  <roger@eyesopen.com>
382
383	* tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
384	as the else branch of a COND_EXPR.
385
3862006-12-22  Kazu Hirata  <kazu@codesourcery.com>
387
388	* cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
389	output.h, toplev.c, tree-affine.h, tree-flow.h,
390	tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
391	tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
392	tree-vrp.c, varpool.c: Fix comment typos.
393
394	* cgraphunit.c, varpool.c: Fix comment typos.
395
3962006-12-22  Ulrich Weigand  <uweigand@de.ibm.com>
397
398	* config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
399	* config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
400	for insn setting up the frame pointer.  Do not set it for insns
401	setting up scratch registers or storing the backchain.
402
4032006-12-21  Eric Botcazou  <ebotcazou@adacore.com>
404
405	PR other/29639
406	* configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
407	are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
408	* configure: Regenerate.
409
4102006-12-21  Joseph Myers  <joseph@codesourcery.com>
411
412	* rtlanal.c (subreg_get_info): Do not make register size
413	computations for mode sizes not divisible by the number of
414	registers.
415
4162006-12-21  Daniel Berlin  <dberlin@dberlin.org>
417
418	* tree-ssa-structalias.c (build_constraint_graph): Insert complex
419	offsetted constraints into rhsvar, not lhsvar.
420
4212006-12-21  Jakub Jelinek  <jakub@redhat.com>
422
423	PR middle-end/30262
424	PR middle-end/30263
425	* tree-nested.c (walk_asm_expr): New function.
426	(walk_stmts): Use it for ASM_EXPR.
427
428	PR target/30230
429	* config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
430	(bundling): Use it.
431
4322006-12-21  Nathan Sidwell  <nathan@codesourcery.com>
433
434	PR target/28966
435	PR target/29248
436	* reload1.c (reload): Realign stack after it changes size.
437
4382006-12-20  Roger Sayle  <roger@eyesopen.com>
439
440	* simplify-rtx.c (simplify_subreg): Use the correct mode when
441	determining whether a SUBREG of a CONCAT refers to the first or
442	second component.
443
4442006-12-21  Ben Elliston  <bje@au.ibm.com>
445
446	* config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
447	local variable `d'.
448
4492006-12-20  Jan Hubicka  <jh@suse.cz>
450
451	* tree-dfa.c (add_referenced_var): Walk initializers of
452	non-constant/readonly static vars.
453
4542006-12-20  Jan Hubicka  <jh@suse.cz>
455
456	* tree-flow-inline.h (gimple_var_anns): New function.
457	(var_ann): Use hashtable for static functions.
458	* tree-dfa.c (create_var_ann): Likewise.
459	* tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
460	(init_tree_ssa): Initialize var anns.
461	(delete_tree_ssa): Delete var anns; also clear out gimple_df.
462	* tree-flow.h (struct static_var_ann_d): New structure.
463	(gimple_df): Add var_anns.
464
4652006-12-20  Carlos O'Donell  <carlos@codesourcery.com>
466
467	PR bootstrap/30242
468	* gcc/c-incpath.c (add_standard_paths): Only relocate paths that
469	begin with the configured prefix.
470
4712006-12-20  Jan Hubicka  <jh@suse.cz>
472
473	PR target/30213
474	* i386.c (expand_setmem_epilogue): Fix formating.
475	(dsmalest_pow2_greater_than): New function.
476	(ix86_expand_movmem): Improve comments; avoid re-computing of
477	epilogue size.
478	(promote_duplicated_reg_to_size): Break out from ...
479	(expand_setmem): ... this one; reorganize promotion code;
480	improve comments; avoid recomputation of epilogue size.
481
4822006-12-20  Andrew Pinski  <pinskia@gmail.com>
483
484	PR middle-end/30143
485	* omp-low.c (init_tmp_var): New function.
486	(save_tmp_var): New function.
487	(lower_omp_1): Use them for VAR_DECL.
488
4892006-12-20  Andrew Pinski  <pinskia@gmail.com>
490
491	* tree-gimple.c (is_gimple_min_invariant): Treat constant vector
492	CONSTRUCTORs as min invariants.
493
4942006-12-20  Joseph Myers  <joseph@codesourcery.com>
495
496	* rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
497	New.
498	(subreg_regno_offset, subreg_offset_representable_p): Change to
499	wrappers about subreg_get_info.
500	(refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
501	* rtl.h (subreg_nregs): Declare.
502	* doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
503	subreg_get_info.
504	* caller-save.c (mark_set_regs, add_stored_regs): Use
505	subreg_nregs.
506	* df-scan.c (df_ref_record): Use subreg_nregs.
507	* flow.c (mark_set_1): Use subreg_nregs.
508	* postreload.c (move2add_note_store): Use subreg_nregs.
509	* reload.c (decompose, refers_to_regno_for_reload_p,
510	reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
511	* resource.c (update_live_status, mark_referenced_resources,
512	mark_set_resources): Use subreg_nregs.
513
5142006-12-20  Zdenek Dvorak <dvorakz@suse.cz>
515
516	* loop-unswitch.c (unswitch_loop): Update arguments of
517	duplicate_loop_to_header_edge call.
518	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
519	* loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
520	unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
521	Ditto.
522	* cfgloopmanip.c (loop_version): Ditto.
523	(duplicate_loop_to_header_edge): Change
524	type of to_remove to VEC(edge), remove n_to_remove argument.
525	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
526	Change type of to_remove to VEC(edge), remove n_to_remove argument.
527	(tree_unroll_loop): Update arguments of
528	tree_duplicate_loop_to_header_edge call.
529	* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
530	Change type of to_remove to VEC(edge), remove n_to_remove argument.
531	* cfghooks.h (struct cfg_hooks): Type of
532	cfg_hook_duplicate_loop_to_header_edge changed.
533	(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
534	* cfgloop.h (duplicate_loop_to_header_edge): Ditto.
535	* tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
536
5372006-12-20  Dorit Nuzman  <dorit@il.ibm.com>
538
539	* config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
540	(vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
541	(vec_widen_smult_lo_v8hi): New.
542	* config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
543	(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
544	(spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
545
5462006-12-20  Jan Hubicka  <jh@suse.cz>
547
548	* cgraph.c: Update overall comment; fix vertical spacing.
549	* ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
550
5512006-12-20  Jan Hubicka  <jh@suse.cz>
552
553	* cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
554	macros.
555	(varpool_first_static_initializer, varpol_next_static_initializer): New
556	inline functions.
557	* ipa-reference.c (analyze_variable): Simplify.
558	(static_execute): Use FOR_EACH_STATIC_INITIALIZER.
559	* ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
560
5612006-12-19  Andrew Pinski  <pinskia@gmail.com>
562
563	PR tree-opt/30045
564	* tree-vrp.c (nonnull_arg_p): Treat the static decl as always
565	non null.
566
5672006-12-20  Ben Elliston  <bje@au.ibm.com>
568
569	* doc/invoke.texi (Optimize Options): Typo fix.
570
5712006-12-19  Eric Christopher  <echristo@apple.com>
572
573	* config/darwin.c (machopic_select_section): Rewrite.
574	(darwin_text_section): New.
575	(darwin_rodata_section): Ditto.
576	(darwin_mergeable_string_section): Ditto.
577	(darwin_mergeable_constant_section): Ditto.
578	* config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
579
5802006-12-19  Steve Ellcey  <sje@cup.hp.com>
581
582	* config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL):  Add undef.
583
5842006-12-19  Paolo Bonzini  <bonzini@gnu.org>
585
586	PR bootstrap/29544
587	* gcc/Makefile.in (STAGE1_CHECKING): Rename to...
588	(STAGE1_CHECKING_CFLAGS): ... this.
589
5902006-12-18  Andrew Pinski  <pinskia@gmail.com>
591
592	PR target/29779
593	* config/rs6000/rs6000.c (altivec_init_builtins): Change to set
594	READONLY on __builtin_altivec_mask_for_load instead of adding
595	the attribute.
596
5972006-12-18  Roger Sayle  <roger@eyesopen.com>
598	    Eric Christopher  <echristo@apple.com>
599
600	PR target/29302
601	* real.c (real_maxval): Correctly handle IBM extended double format.
602
6032006-12-19  Jan Hubicka  <jh@suse.cz>
604
605	* expmed.c (expand_mult_const): Force operand to constant.
606	* rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
607	copy_rtx to arguments.
608
6092006-12-19  Ben Elliston  <bje@au.ibm.com>
610
611	* config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
612
6132006-12-19  Ben Elliston  <bje@au.ibm.com>
614
615	* cse.c (cse_insn): Fix formatting.
616
6172006-12-18  Geoffrey Keating  <geoffk@apple.com>
618
619	* doc/invoke.texi (Debugging Options): Document -g0.
620	* config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
621	* config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
622
6232006-12-18  Ian Lance Taylor  <iant@google.com>
624
625	* c.opt (Wmissing-declarations): Add C++ and ObjC++.
626	* doc/invoke.texi (Warning Options): -Wmissing-declarations now
627	works for C++.
628
6292006-12-18  Andrew MacLeod  <amacleod@redhat.com>
630
631	* tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
632	(struct vuse_optype_d): Delete.
633	(SSA_OPERAND_MEMORY_SIZE): Delete.
634	(struct ssa_operand_memory_d): Change mem array to size one.
635	(NUM_VOP_FREE_BUCKETS): Define.
636	(free_vuses, free_vdefs): Replace with vop_free_buckets array.
637	(vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
638	* tree-pretty-print.c (dump_vops): Use voptype_d type.
639	* tree-ssa-operands.c (vop_free_bucket_size): New.  Number of operands
640	which fit into a chunk of memory from a specific bucket.
641	(vop_free_bucket_index): New.  Find correct size memory bucket.
642	(init_vop_buckets): New.  Initialize VOP free memory buckets.
643	(add_vop_to_freelist): New.  Add a VOP to the correct free list.
644	(ssa_operand_mem_size): New.  Current size of an operand memory chunk.
645	(init_ssa_operands): Initialize operand memory and free lists.
646	(fini_ssa_operands): Remove references to free_vuses and free_vdefs.
647	(ssa_operand_alloc): Use graduated size memory allocation.
648	(APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
649	INITIALIZE_USE): Remove.
650	(alloc_vop): New.  Allocate a virtual operand.
651	(alloc_vdef, alloc_vuse): Delete.
652	(add_def_op, add_use_op): Directly setup pointers.
653	(add_vop): New.  Add a virtual operand.
654	(add_vuse_op, add_vdef_op): Call add_vop.
655	(realloc_vop): New.  Reallocate a virtual operand.
656	(realloc_vdef, realloc_vuse): Call realloc_vop.
657	(finalize_ssa_def_ops): Delete.  Move content to finalize_ssa_defs.
658	(finalize_ssa_defs): Optimize for common case, remove code based on
659	sorted pointers which was a waste of time.
660	(finalize_ssa_use_ops): Delete.  Move content to finalize_ssa_uses.
661	(finalize_ssa_uses): Update last pointer.
662	(finalize_ssa_vdef_ops): Delete.  Move content to finalize_ssa_vdefs.
663	(finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
664	directly manipulate pointers.
665	(copy_virtual_operands): Use voptype_d, and no need to update pointers.
666
6672006-12-18  Nathan Sidwell  <nathan@codesourcery.com>
668
669	* config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
670	determine if memory operand is an indexed address or not.
671
6722006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
673
674	* cselib.c (struct cselib_val_struct): Make val_rtx its
675	own field, remove the union that contained it.
676	* cselib.c: Update accordingly where necessary.
677
6782006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
679
680	* cse.c (have_eh_succ_edges): New function.
681	(cse_insn): Don't remove dead EH edges here
682	(cse_extended_basic_block): Do it here.
683	(rest_of_handle_cse, rest_of_handle_cse2): Don't assert
684	that we have removed all dead edges.
685
6862006-12-17  Matthias Klose  <doko@debian.org>
687
688	PR libstdc++/11953
689	* gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
690
6912006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
692
693	* cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
694	(cse_extended_basic_block): When truncating a path while processing
695	it, make sure to clear the visited bit on the basic blocks in the
696	truncated part of the path.
697	(cse_main): Use reverse completion order, not DFS order, to walk
698	the CFG.
699	(gate_handle_cse): Revert erroneous commit of a counter.
700
7012006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
702
703	* cse.c (this_insn_cc0, this_insn_cc0_mode): New global
704	variables, moved out from cse_insn.
705	(prev_insn): Remove this global variable).
706	(new_basic_block): Don't set it.
707	(cse_insn): Idem. Also, move code to delete unused CC0-setter
708	insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
709	from here...
710	(cse_extended_basic_block): ...to here.  Do not clear
711	prev_insn_cc0 until after recording equivalences from jumps.
712
7132006-12-16  Jan Hubicka  <jh@suse.cz>
714
715	* cgraphunit.c (ipa_passes): Clear current_function_decl.
716
7172006-12-16  Andreas Tobler  <a.tobler@schweiz.org>
718
719	* passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
720
7212006-12-16  Jan Hubicka  <jh@suse.cz>
722
723	* omp-low.c (expand_omp_parallel): Set function properties.
724	* function.h (struct function): Add curr_properties and last_verified.
725	* passes.c (register_dump_files): Do not set TODO_set_props for the
726	first pass
727	(init_optimization_passes): Set it here; reorder initialization so the
728	dump files appear in more logical order.
729	(last_verified, curr_properties): Kill.
730	(do_per_function): New function.
731	(execute_function_todo): Break out from ...
732	(execute_todo): ... here; handle per-function flags.
733	(clear_last_verified, verify_curr_properties,
734	update_properties_after_pass): New functions.
735	(execute_one_pass): Handle per-function properties.
736	(execute_ipa_pass_list): Use do_per_function; sanity check that cfun
737	and current_function_decls are cleared out.
738	* ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
739	after use.
740
7412006-12-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
742
743	PR middle-end/7651
744	* c.opt (Wempty-body): New.
745	* doc/invoke.texi (Wempty-body): Document it.
746	(Wextra): Enabled by -Wextra.
747	* c-opts.c (c_common_post_options): Enabled by -Wextra.
748	* c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
749	* c-parser.c (c_parser_c99_block_statement): Likewise.
750
7512006-12-15  Jakub Jelinek  <jakub@redhat.com>
752
753	PR target/30185
754	* config/rs6000/rs6000.md (div<mode>3): Use correct mode in
755	force_reg call.
756
7572006-12-15  Andrew Pinski  <pinski@gmail.com>
758
759	PR tree-opt/30140
760	* tree-inline.c (setup_one_parameter): Gimplify the statement if
761	the variable is not a gimple register variable.
762
7632006-12-15  Uros Bizjak  <ubizjak@gmail.com>
764
765	* invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
766
7672006-12-14  Jan Hubicka  <jh@suse.cz>
768
769	* tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
770	to proper place.
771
7722006-12-14  Richard Guenther  <rguenther@suse.de>
773
774	PR tree-optimization/30197
775	* builtins.c (fold_builtin_cexp): New function to fold cexp
776	to cexpi and exp parts.
777	* tree-ssa-pre.c (try_combine_conversion): Also handle
778	REALPART_EXPR and IMAGPART_EXPR.
779
7802006-12-14  Richard Guenther  <rguenther@suse.de>
781
782	PR middle-end/30172
783	* fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
784	+ __complex__ ( 0, y ) to __complex__ ( x, y ).
785	Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
786
7872006-12-14  Richard Guenther  <rguenther@suse.de>
788
789	PR tree-optimization/30198
790	* fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
791	Fold IMAGPART_EXPR of cexpi to sin.
792
7932006-12-14  Dorit Nuzman  <dorit@il.ibm.com>
794	    Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
795
796	* spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
797	(spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
798	only.
799	(spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
800	(spu_builtin_mask_for_load): New.
801	* spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
802	* spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
803	(vec_realign_load_<mode>, spu_lvsr): New.
804
8052006-12-13  Ian Lance Taylor  <iant@google.com>
806
807	PR c++/19564
808	PR c++/19756
809	* c-typeck.c (parser_build_binary_op): Move parentheses warnings
810	to warn_about_parentheses in c-common.c.
811	* c-common.c (warn_about_parentheses): New function.
812	* c-common.h (warn_about_parentheses): Declare.
813	* doc/invoke.texi (Warning Options): Update -Wparentheses
814	description.
815
8162006-12-13  Zdenek Dvorak <dvorakz@suse.cz>
817
818	* tree-ssa-loop-ivopts.c: Include tree-affine.h.
819	(divide): Removed.
820	(constant_multiple_of): Fix order of operators for division.
821	(aff_combination_const, aff_combination_elt, aff_combination_scale,
822	aff_combination_add_elt, aff_combination_add, aff_combination_convert,
823	tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
824	aff_combination_to_tree): Moved to tree-affine.c and made to work with
825	double_int coefficients.
826	(get_computation_aff, get_computation_at): Work with double_int
827	coefficients.
828	(get_computation_cost_at): Do not use divide.
829	(rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
830	Assert that expressing the computation did not fail.
831	* tree-ssa-address.c: Include tree-affine.h.
832	(add_to_parts, most_expensive_mult_to_index, addr_to_parts,
833	create_mem_ref): Work with double_int coefficients.
834	* tree-affine.c: New file.
835	* tree-affine.h: New file.
836	* tree-flow.h (struct affine_tree_combination): Removed.
837	* Makefile.in (tree-affine.o): Add.
838	(tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
839	dependency.
840
8412006-12-13  Peter Bergner  <bergner@vnet.ibm.com>
842
843	PR middle-end/30191
844	Revert:
845	* reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
846	the offset == 0 "then" clauses.
847	* config/rs6000/predicates.md (gpc_reg_operand): Check for
848	reload_in_progress.
849
8502006-12-13  Uros Bizjak  <ubizjak@gmail.com>
851
852	* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
853	(FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
854	(REG_ALLOC_ORDER): Remove one element due to removal of dir register.
855	(FRAME_POINTER_REGNUM): Update register number to 20.
856	(REG_CLASS_CONTENTS): Update contents due to removed dir register.
857	(HI_REGISTER_NAMES): Remove "dirflag".
858
859	* config/i386/i386.c (regclass_map): Remove dirflag entry.
860	(dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
861	Remove "dir" entry.
862	(ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
863
864	* config/i386/i386.md (R10_REG, R11_REG): Renumber.
865	(sse_prologue_save, *sse_prologue_save_insn): Renumber
866	hardcoded SSE register numbers.
867
868	* config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
869	hardcoded MMX register numbers.
870
871
8722006-12-13  Mark Shinwell  <shinwell@codesourcery.com>
873
874	* config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
875	FLDMX.  Rename function to...
876	(vfp_output_fldmd): ...this.
877	(vfp_output_fstmx): Output FSTMD instead of FSTMX.  Rename
878	function to...
879	(vfp_output_fstmd): ...this.
880	(vfp_emit_fstmx): Don't leave space in the frame layout for the
881	FSTMX format word.  Rename function to...
882	(vfp_emit_fstmd): ...this.
883	(arm_get_vfp_saved_size): Don't add in space for the FSTMX format
884	word.
885	(arm_output_epilogue): Adjust comment to reflect use of FSTMD.
886	(arm_unwind_emit_sequence): Don't compensate for the FSTMX format
887	word.  Also emit "vsave" assembler directives in such cases rather
888	than "save".
889	* config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
890	gnu_Unwind_Save_VFP): Adjust comments.
891	(gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
892	for saving and restoring using FSTMD and FLDMD rather than
893	FSTMX and FLDMX.
894	(gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
895	New functions for saving and restoring the VFPv3 registers 16 .. 31.
896	* config/arm/pr-support.c (gnu_unwind_execute): Add conditional
897	compilation case to correctly handle unwind opcode 0xc8 when using
898	VFP.
899	* config/arm/unwind-arm.c (struct vfpv3_regs): New.
900	(DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
901	(__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
902	__gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
903	Declare.
904	(restore_non_core_regs): Restore registers using FLDMD rather than
905	FLDMX if required.  Also handle restoration of VFPv3 registers.
906	(_Unwind_VRS_Pop): Handle saving and restoring of registers using
907	FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
908	including cases where the caller specifies a range of registers
909	that overlaps the d15/d16 boundary.
910
9112006-12-13  Diego Novillo  <dnovillo@redhat.com>
912
913	PR 30089
914	* tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
915	accomodate 511 operands.
916
9172006-12-13  Richard Guenther  <rguenther@suse.de>
918
919	* builtins.c (expand_builtin_cexpi): Fix typo.
920
9212006-12-13  Jan Hubicka  <jh@suse.cz>
922
923	* Makefile.in: Add dependencies.
924	* tree-pretty-print.c: Include value-prof.h
925	(dump_generic_bb_buff): Dump histograms
926	* value-prof.c: Include pointer-set.h
927	(gimple_alloc_histogram_value, histogram_hash, histogram_eq,
928	set_histogram_value, gimple_histogram_value,
929	gimple_add_histogram_value, gimple_remove_histogram_value,
930	gimple_histogram_value_of_type, dump_histogram_value,
931	dump_histograms_for_stmt, gimple_remove_stmt_histograms,
932	gimple_duplicate_stmt_histograms, visit_hist,
933	verify_histograms): New functions.
934	(tree_value_profile_transformations): Update for new histogram API.
935	(tree_divmod_fixed_value): Update for new histogram API.
936	(tree_divmod_fixed_value_transform): Update for new histogram API.
937	(tree_mod_pow2): Update for new histogram API.
938	(tree_mod_pow2_value_transform): Update for new histogram API.
939	(tree_mod_subtract): Update for new histogram API.
940	(tree_mod_subtract_transform): Update for new histogram API.
941	(tree_stringops_transform): Update for new histogram API.
942	(tree_divmod_values_to_profile): Update for new histogram API.
943	(tree_stringops_values_to_profile): Update for new histogram API.
944	(tree_find_values_to_profile): Update for new histogram API.
945	* value-prof.h (gimple_histogram_value): Declare.
946	(gimple_histogram_value_of_type): Declare.
947	(gimple_add_histogram_value): Declare.
948	(gimple_remove_histogram_value): Declare.
949	(dump_histograms_for_stmt): Declare.
950	(gimple_remove_histogram_value): Declare.
951	(gimple_remove_stmt_histograms): Declare.
952	(gimple_duplicate_stmt_histograms): Declare.
953	(verify_histograms): Declare.
954	* function.h
955	(struct funrction): Add value_histograms hash.
956	(VALUE_HISTOGRAMS): New macro.
957	* profile.c (compute_value_histograms): update for new API.
958	* tree-inline.c: Include value-prof.h
959	(copy_bb): Update histograms.
960	* tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
961	reorder to get smaller memory layout.
962	* tree-cfg.c: Include value-prof.h
963	(bsi_remove): Update histograms.
964	(bsi_replace): Update histograms.
965	(verify_stmts): Call histogram verifier.
966	(tree_duplicate_bb): Update histograms.
967	(move_block_to_fn): Update histograms.
968
9692006-12-13  Richard Guenther  <rguenther@suse.de>
970
971	* ipa-inline.c (cgraph_flatten_node): Replace leafify with
972	flatten.
973	(cgraph_decide_inlining): Likewise.
974
9752006-12-13  Richard Guenther  <rguenther@suse.de>
976
977	PR tree-optimization/17687
978	* builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
979	New builtins for imaginary argument cexp.
980	* builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
981	BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
982	New required builtin types.
983	* builtins.c (expand_builtin_cexpi): Declare.
984	(mathfn_built_in): Handle BUILT_IN_CEXPI.
985	(expand_builtin_cexpi): New static helper.
986	(expand_builtin): Call it.
987	(do_mpfr_sincos): Adjust for CEXPI evaluation.
988	(fold_builtin_sincos): New function to fold sincos to cepxi.
989
9902006-12-13  Richard Guenther  <rguenther@suse.de>
991
992	* ipa-reference.c (scan_for_static_refs): Also scan
993	tcc_comparison class trees.
994
9952006-12-12 David Daney  <ddaney@avtrex.com>
996
997	* config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
998	define.
999
10002006-12-12  Andrew Pinski  <pinskia@gmail.com>
1001
1002	* tree-vect-transform.c (vect_permute_load_chain):
1003	Set DECL_GIMPLE_REG_P to true for the vect_perm_*
1004	temp variables.
1005
10062006-12-13  Sa Liu  <saliu@de.ibm.com>
1007	    Ben Elliston  <bje@au.ibm.com>
1008
1009	* config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
1010	(REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
1011	* config/spu/spu-protos.h (spu_c_common_override_options):
1012	Declare.
1013	* config/spu/spu-c.c (spu_c_common_override_options): New.
1014	* config/spu/spu.c (spu_override_options): Whitespace fix.
1015
10162006-12-12  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1017
1018	* config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
1019
10202006-12-12  Geoffrey Keating  <geoffk@apple.com>
1021
1022	* mips-tdump.c: Replace CROSS_COMPILE with
1023	CROSS_DIRECTORY_STRUCTURE.
1024	* mips-tfile.c: Likewise.
1025	* gcc.c: Likewise.
1026	* configure.ac: Likewise.
1027	* cppdefault.c: Likewise.
1028	* Makefile.in: Likewise.
1029	* config/alpha/osf.h: Likewise.
1030	* config/i386/cygwin.h: Likewise.
1031	* config/i386/beos-elf.h: Likewise.
1032	* config/i386/nto.h: Likewise.
1033	* config/fr30/fr30.h: Likewise.
1034	* config/svr4.h: Likewise.
1035	* config/rs6000/aix.h: Likewise.
1036	* config/rs6000/sysv4.h: Likewise.
1037	* config/pa/pa64-hpux.h: Likewise.
1038	* config/pa/pa-hpux10.h: Likewise.
1039	* config/pa/pa-hpux11.h: Likewise.
1040	* collect2.c: Likewise.
1041	* configure: Regenerate.
1042
1043	* doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
1044	actually takes an unsigned HOST_WIDE_INT for its second parameter.
1045
10462006-12-13  Ulrich Weigand  <uweigand@de.ibm.com>
1047
1048	* config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
1049	(spu_encode_section_info): New.
1050	* config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
1051	(SYMBOL_FLAG_ALIGN1): New.
1052
10532006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1054
1055	PR tree-opt/28624
1056	* tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
1057	bitmap for EXECUTE_IF_SET_IN_BITMAP.
1058
10592006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1060
1061	PR tree-opt/28436
1062	* tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
1063	(DECL_GIMPLE_REG_P): This.
1064	* fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
1065	using BIT_FIELD_REF.
1066	* omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
1067	* tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
1068	and check for VECTOR_TYPE.
1069	* expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
1070	vector types.
1071	* tree-flow-inline.h (var_can_have_subvars): Use the renamed
1072	DECL_GIMPLE_REG_P.
1073	* gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
1074	and check for VECTOR_TYPE.
1075	(gimplify_bind_expr): Likewise.
1076	(gimplify_function_tree): Likewise.
1077	* expmed.c: Include target.h.
1078	(extract_bit_field): For vector mode, try find a better mode first.
1079	If that fails use gen_lowpart (for vectors only).
1080	* tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
1081	and check for VECTOR_TYPE.
1082	* tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
1083	(insert_into_preds_of_block): Likewise.
1084	(insert_fake_stores): Create gimple register store_tmps for
1085	vector types.
1086	* tree-sra.c (sra_elt): New field, is_vector_lhs.
1087	(sra_walk_expr <case BIT_FIELD_REF>): For vector types that
1088	are the left hand side, set the element's is_vector_lhs to true.
1089	(instantiate_element): For vector types which were on the left
1090	hand size, set DECL_GIMPLE_REG_P to false.
1091	* tree-nested.c (create_tmp_var_for): Use the renamed
1092	DECL_GIMPLE_REG_P.
1093	* tree-inline.c (declare_return_variable):  Use the renamed
1094	DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
1095	(copy_decl_to_var):  Use the renamed DECL_GIMPLE_REG_P.
1096	(copy_result_decl_to_var): Likewise.
1097	* tree-vect-transform.c (vect_get_new_vect_var): For vector types,
1098	create a gimple register variable.
1099	(vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
1100	vect_inter_* temp variables.
1101	* Makefile.in (expmed.o): Update dependencies.
1102
11032006-12-12  Peter Bergner  <bergner@vnet.ibm.com>
1104
1105	* reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
1106	the offset == 0 "then" clauses.
1107	* config/rs6000/predicates.md (gpc_reg_operand): Check for
1108	reload_in_progress.
1109
11102006-12-12  Marcin Dalecki  <martin@dalecki.de>
1111
1112	* doc/passes.texi: remove docs about "redundant PHI removal".
1113	* tree-pass.h: remove orphaned declaration of pass_redundant_phi,
1114	remove redundant pass_partition_blocks declaration.
1115
11162006-12-12  Andrew Macleod  <amacleod@redhat.com>
1117
1118	PR tree-optimization/30159
1119	* tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
1120	functions in case a default_def coalesce is required.
1121
11222006-12-12  Jakub Jelinek  <jakub@redhat.com>
1123
1124	PR libstdc++/11953
1125	* gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
1126
1127	* config/ia64/linux.h (CPP_SPEC): Define.
1128	* config/s390/linux.h (CPP_SPEC): Define.
1129
11302006-12-12  Jim Wilson  <wilson@specifix.com>
1131	    Jakub Jelinek  <jakub@redhat.com>
1132
1133	PR rtl-optimization/27761
1134	* combine.c (try_combine): Don't create a useless garbage SET
1135	if PATTERN (i2) is a PARALLEL.  If added_sets_1, save
1136	PATTERN (i1) resp. SET from i1src to i1dest in i1pat
1137	and use it to prevent accidental modification of i1src.
1138
11392006-12-12  Ira Rosen  <irar@il.ibm.com>
1140
1141	* tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
1142	for stores with gaps.
1143	* tree-vect-transform.c (vect_permute_store_chain): Create
1144	interleave_high or interleave_low according to the endianess.
1145
11462006-12-12  Richard Guenther  <rguenther@suse.de>
1147
1148	PR middle-end/30147
1149	* fold-const.c (fold_read_from_constant_string): Only fold read
1150	from constant string if the result type is integer.
1151
11522006-12-12  Olivier Hainque  <hainque@adacore.com>
1153
1154	* config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
1155
11562006-12-12  Olivier Hainque  <hainque@adacore.com>
1157
1158	* config/vxlib.c: Extract tls related routines into ...
1159	* config/vxlib-tls.c: New file.
1160	* config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
1161
11622006-12-12  Sa Liu  <saliu@de.ibm.com>
1163	    Ben Elliston  <bje@au.ibm.com>
1164
1165	* config/spu/spu.opt (mfixed-range): New option.
1166	* config/spu/spu.h (spu_fixed_range_string): Declare.
1167	* config/spu/spu.c (spu_override_options): Handle -mfixed-range.
1168	(fix_range): New function.
1169	* doc/invoke.texi (SPU Options): Document -mfixed-range.
1170	* testsuite/gcc.target/spu/fixed-range.c: New.
1171	* testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
1172
11732006-12-11  H.J. Lu  <hongjiu.lu@intel.com>
1174
1175	PR middle-end/17982
1176	PR middle-end/20218
1177	* cgraphunit.c (cgraph_optimize): Remove call to
1178	process_pending_assemble_externals.
1179
1180	* config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
1181
1182	* config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
1183
1184	* config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
1185	(ia64_hpux_add_extern_decl): Removed.
1186	(ia64_hpux_file_end): Likewise.
1187	(extern_func_list): Likewise.
1188	(extern_func_head): Likewise.
1189
1190	* output.h (assemble_external): Update comments.
1191	(default_elf_asm_output_external): New.
1192	(maybe_assemble_visibility): New.
1193
1194	* toplev.c (compile_file): Update comment.
1195
1196	* varasm.c (assemble_external): Always put it on
1197	pending_assemble_externals.
1198	(maybe_assemble_visibility): Make it extern and return int.
1199	(default_elf_asm_output_external): New.
1200
12012006-12-11  Daniel Berlin  <dberlin@dberlin.org>
1202
1203	* tree-ssa-structalias.c (handle_ptr_arith): Return false when we
1204	can't handle the pointer arithmetic.
1205
12062006-12-11  Diego Novillo  <dnovillo@redhat.com>
1207
1208	* doc/tree-ssa.texi: Update documentation for virtual operands
1209	and the use of push_stmt_changes/pop_stmt_changes.
1210	* doc/invoke.texi: Remove documentation for params
1211	global-var-threshold.
1212	Update documentation on max-aliased-vops.
1213
1214	* tree-into-ssa.c: Cleanup comments, variables and
1215	spacing in various functions.
1216	(regs_to_rename): Declare.
1217	(mem_syms_to_rename): Declare.
1218	(dump_update_ssa): Declare.
1219	(debug_update_ssa): Declare.
1220	(dump_names_replaced_by): Declare.
1221	(debug_names_replaced_by): Declare.
1222	(dump_def_blocks): Declare.
1223	(debug_def_blocks): Declare.
1224	(dump_defs_stack): Declare.
1225	(debug_defs_stack): Declare.
1226	(dump_currdefs): Declare.
1227	(debug_currdefs): Declare.
1228	(mark_def_sites): Do not handle virtual operands.
1229	(compute_idf): Rename from find_idf.  Update users.
1230	(register_new_def): Make local.  Convert second argument
1231	to 'tree'.
1232	Use BLOCK_DEFS_STACK directly.
1233	If pushing a non-register, also push the underlying
1234	symbol.
1235	(rewrite_stmt): Do not handle virtual operands.
1236	(dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
1237	dump_currdefs and dump_tree_ssa_stats.
1238	(dump_tree_ssa_stats): Also dump REPL_TBL.
1239	(replace_use): Remove.  Update all users to call SET_USE
1240	instead.
1241	(rewrite_blocks): Move code to free memory to
1242	fini_ssa_renamer.
1243	(mark_def_site_blocks): Move initialization code to
1244	init_ssa_renamer.
1245	(init_ssa_renamer): New.
1246	(fini_ssa_renamer): New.
1247	(rewrite_into_ssa): Call them.
1248	(prepare_block_for_update): Process SSA_OP_ALL_USES first
1249	and SSA_OP_ALL_DEFS later.  Do not process virtual
1250	operands separately.
1251	(dump_update_ssa): Call dump_decl_set.
1252	(init_update_ssa): Initialize regs_to_rename and
1253	mem_syms_to_rename.
1254	Call init_ssa_renamer.
1255	(delete_update_ssa): Call fini_ssa_renamer.
1256	Free blocks_with_phis_to_rewrite.
1257	(mark_sym_for_renaming): If the variable has
1258	sub-variables, also mark them.
1259	If the variable belongs to a partition, also mark it.
1260	(mark_set_for_renaming): Call mark_sym_for_renaming on
1261	every symbol in the set.
1262	(switch_virtuals_to_full_rewrite): Call
1263	mark_set_for_renaming.
1264	(update_ssa): Separate syms_to_rename into regs_to_rename
1265	and mem_syms_to_rename.
1266
1267	* tree-dump.c (dump_options): Add TDF_MEMSYMS.
1268	* tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
1269	(debug_generic_stmt): Likewise.
1270	(debug_tree_chain): Likewise.
1271	(dump_symbols): New.
1272	(dump_generic_node): Check for TDF_MEMSYMS.
1273	Handle MEMORY_PARTITION_TAG.
1274	If the statement references memory and TDF_MEMSYMS is
1275	given, call dump_symbols.
1276	Indicate default names with (D).
1277	(dump_vops): Update for new virtual operator format.
1278
1279	* tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
1280	tree_contains_struct.
1281	(tree_code_size): Handle MEMORY_PARTITION_TAG.
1282	(tree_node_structure): Likewise.
1283	(needs_to_live_in_memory): Handle SSA names.
1284	* tree.h (MTAG_P): Likewise.
1285	(struct tree_memory_partition_tag): Declare.
1286	(MPT_SYMBOLS): Define.
1287	(union tree_node): Add field 'mpt'.
1288	* treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
1289	* tree.def (MEMORY_PARTITION_TAG): Define.
1290
1291	* tree-pass.h (TDF_MEMSYMS): Define.
1292
1293	* params.h (GLOBAL_VAR_THRESHOLD): Remove.
1294
1295	* tree-ssa-alias.c: Include pointer-set.h
1296	(struct alias_map_d): Remove fields total_alias_vops,
1297	grouped_p and may_aliases.  Update all users.
1298	(struct mp_info_def): Declare.
1299	(mp_info_t): New type.
1300	(get_smt_for): Rename from get_tmt_for.  Update all
1301	users.
1302	(add_may_alias): Add argument ALREADY_ADDED.  If given,
1303	use it to avoid adding duplicate entries to alias sets.
1304	(replace_may_alias): Remove.  Update all users.
1305	(total_alias_vops_cmp): Remove.  Update all users.
1306	(group_aliases_into): Remove.  Update all users.
1307	(tree_pointer_compare): Remove.  Update all users.
1308	(compact_name_tags): Remove.  Update all users.
1309	(group_aliases): Remove.  Update all users.
1310	(mark_non_addressable): Move from tree-flow-inline.h.
1311	Remove the symbol from the partition holding it, if
1312	needed.
1313	(dump_mp_info): New.
1314	(debug_mp_info): New.
1315	(sort_mp_info): New.
1316	(create_partition_for): New.
1317	(rewrite_alias_set_for): New.
1318	(compute_memory_partitions): New.
1319	(compute_may_aliases): Call it.
1320	(init_alias_info): If computing aliases for the first
1321	time, mark every memory symbol for renaming.
1322	(have_common_aliases_p): New.
1323	(compute_flow_insensitive_aliasing): Call it.
1324	(setup_pointers_and_addressables): Do not cache
1325	num_referenced_vars.
1326	For register promoted symbols, mark their former
1327	partition for renaming.
1328	(maybe_create_global_var): Only create .GLOBAL_VAR if
1329	there are no call-clobbered variables and a mix of pure
1330	and non-pure functions were found.
1331	(may_alias_p): Tidy comments.
1332	(create_tag_raw): Remove unused variable new_type.
1333	(dump_alias_info): call dump_memory_partitions.
1334	(dump_points_to_info_for): Call dump_decl_set.
1335	(may_be_aliased): Tidy comments and formatting.
1336
1337	* timevar.def (TV_MEMORY_PARTITIONING): Define.
1338	* tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1339	vect_vnames_to_rename.  Set DECL_UIDs instead of SSA name
1340	versions in it.
1341	(slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1342	* tree-vect-transform.c (vect_transform_loop): Call
1343	mark_set_for_renaming with vect_memsyms_to_rename.
1344	* tree-flow-inline.h (zero_imm_uses_p): New.
1345	(memory_partition): New.
1346	(set_memory_partition): New.
1347	(factoring_name_p): New.
1348	(symbol_mem_tag): New.  Update every function that used
1349	to access the annotation directly.
1350	(set_symbol_mem_tag): Likewise.
1351
1352	* tree-ssa-copy.c (may_propagate_copy): Allow copies
1353	between a partition and a symbol as long as the symbol
1354	belongs to the partition.
1355	(merge_alias_info): Ignore merge requests when memory
1356	partitions are involved.
1357
1358	* tree-ssa.c (verify_ssa_name): Check that default
1359	definitions have empty defining statements.
1360	(verify_use): Remove argument IS_VIRTUAL.
1361	Don't call verify_ssa_name.
1362	(verify_phi_args): Call verify_ssa_name.
1363	(verify_flow_insensitive_alias_info): Handle MPTs.
1364	(verify_flow_sensitive_alias_info): Likewise.
1365	(verify_name_tags): Likewise.
1366	(verify_call_clobbering): Likewise.
1367	(verify_ssa): Check for VOPs only after aliasing
1368	information is available.
1369	Check virtuals and real operands separately.
1370	Call verify_ssa_name on every operand.
1371	(stmt_references_memory_p): Move to tree-ssa-operands.c.
1372	(walk_use_def_chains_1): Guard against NULL PHI
1373	arguments.
1374
1375	* tree-ssa-operands.c (stmt_references_memory_p): Move from
1376	tree-ssa.c.
1377	(get_mpt_for): New.
1378	(dump_memory_partitions): New.
1379	(debug_memory_partitions): New.
1380
1381	* tree-flow.h (struct var_ann_d): Add field mpt.
1382	(struct stmt_ann_d): Add bitfield references_memory.
1383	* Makefile.in (tree-ssa-structalias.o): Include
1384	pointer-set.h
1385	(tree-ssa-alias.o): Likewise.
1386	* tree-ssa-structalias.c: (update_alias_info): Use
1387	STORED_SYMS to determine which variables are being
1388	written to by the store operation.
1389	* tree-ssa-structalias.h (struct alias_info)
1390	<total_alias_vops>: Remove.  Update all users.
1391	<written_vars>: Change to a pointer set.  Update all
1392	users.
1393	<dereferenced_ptrs_store>: Likewise.
1394	<dereferenced_ptrs_load>: Likewise.
1395	(NUM_REFERENCES): Remove.  Update all users.
1396	(NUM_REFERENCES_CLEAR): Remove.  Update all users.
1397	(NUM_REFERENCES_INC): Remove.  Update all users.
1398	(NUM_REFERENCES_SET): Remove.  Update all users.
1399
1400	* params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1401	Update all users.
1402	(PARAM_MAX_ALIASED_VOPS): Set to 10.
1403	* tree-ssanames.c (make_ssa_name): Initialize
1404	SSA_NAME_IS_DEFAULT_DEF to 0.
1405
14062006-12-11  Aldy Hernandez  <aldyh@redhat.com>
1407
1408	* tree-ssa-dse.c (aggregate_vardecl_d): New.
1409	(dse_global_data): Add aggregate_vardecl field.
1410	(dse_possible_dead_store_p): New.
1411	Add prev_defvar variable.
1412	Allow immediate uses and previous immediate uses to differ
1413	if they are setting different parts of the whole.
1414	(get_aggregate_vardecl): New.
1415	(dse_record_partial_aggregate_store): New.
1416	(dse_whole_aggregate_clobbered_p): New.
1417	(dse_partial_kill_p): New.
1418	(dse_optimize_stmt): Abstract code checking a possible dead store
1419	into new function dse_possible_dead_store_p().
1420	Call dse_maybe_record_aggregate_store().
1421	When checking whether a STMT and its USE_STMT refer to the
1422	same memory address, check also for partial kills that clobber
1423	the whole.
1424	Move some variable definitions to the block where they are used.
1425	(aggregate_vardecl_hash): New.
1426	(aggregate_vardecl_eq): New.
1427	(aggregate_vardecl_free): New.
1428	(aggregate_whole_store_p): New.
1429	(tree_ssa_dse): Initialize and free aggregate_vardecl.
1430	Mark which aggregate stores we care about.
1431
14322006-12-11  Andrew Macleod  <amacleod@redhat.com>
1433
1434	* tree-ssa-operands.h (struct vuse_element_d): Declare.
1435	(vuse_element_t): Declare.
1436	(struct vuse_vec_d): Declare.
1437	(vuse_vec_p): Declare.
1438	(VUSE_VECT_NUM_ELEM): Define.
1439	(VUSE_VECT_ELEMENT_NC): Define.
1440	(VUSE_ELEMENT_PTR_NC): Define.
1441	(VUSE_ELEMENT_VAR_NC): Define.
1442	(VUSE_VECT_ELEMENT): Define.
1443	(VUSE_ELEMENT_PTR): Define.
1444	(VUSE_ELEMENT_VAR): Define.
1445	(struct maydef_optype_d) <use_var>: Remove.
1446	<use_ptr>: Remove.
1447	<usev>: Add.
1448	(struct vuse_optype_d) <kill_var>: Remove.
1449	<use_ptr>: Remove.
1450	<usev>: Add.
1451	(struct mustdef_optype_d) <kill_var>: Remove.
1452	<use_ptr>: Remove.
1453	<usev>: Add.
1454	(VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
1455	(VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
1456	(VUSE_NUM): Define.
1457	(VUSE_VECT): Define.
1458	(MAYDEF_OP_PTR): Add argument.  Use VUSE_OP_PTR.
1459	(MAYDEF_OP): Add argument.  Use VUSE_OP.
1460	(MAYDEF_NUM): Define.
1461	(MAYDEF_VECT): Define.
1462	(MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1463	(MUSTDEF_KILL): Use VUSE_OP.
1464	(MUSTDEF_NUM): Define.
1465	(MUSTDEF_VECT): Define.
1466	(realloc_maydef): Declare.
1467	(realloc_vuse): Declare.
1468	(struct ssa_operand_iterator_d) <vuse_index>: Add.
1469	<mayuse_index>: Add.
1470	(LOADED_SYMS): Define.
1471	(STORED_SYMS): Define.
1472	(FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1473	* tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1474	operators.
1475	* tree-pretty-print.c: Likewise.
1476	* tree-ssa-dse.c: Likewise.
1477	* tree-flow-inline.h: Likewise.
1478	(op_iter_next_mustdef): New.
1479	* tree-ssa-operands.c: Likewise.
1480	(ALLOC_OPTYPE): Remove.
1481	Update all users.
1482	(alloc_def): New.
1483	(alloc_use): New.
1484	(alloc_maydef): New.
1485	(alloc_vuse): New.
1486	(alloc_mustdef): New.
1487	(realloc_maydef): New.
1488	(realloc_vuse): New.
1489
14902006-12-11  Aldy Hernandez  <aldyh@redhat.com>
1491
1492	* tree-ssa-operands.c: Remove build_v_must_defs.
1493	(init_ssa_operands): Delete build_v_must_defs.
1494	(finalize_ssa_v_must_def_ops): Remove.
1495	(finalize_ssa_v_must_defs): Remove.
1496	(finalize_ssa_stmt_operands): Do not call
1497	finalize_ssa_v_must_defs.
1498	(start_ssa_stmt_operands): Do not check build_v_must_defs.
1499	(append_v_must_def): Delete.
1500	(copy_virtual_operands): Do not copy V_MUST_DEFs.
1501	(get_modify_expr_operands): Remove reference to V_MUST_DEF from
1502	comment.  Remove opf_kill_def.
1503	(build_ssa_operands): Remove references to v_must_defs.
1504	(copy_virtual_operands): Same.
1505	(copy_virtual_operands): Same.
1506	(fini_ssa_operands): Same.
1507	(free_ssa_operands): Same.
1508	(add_mustdef_op): Remove.
1509	Remove mustdef_optype_p.
1510	(alloc_mustdef): Remove.
1511	Remove references to V_MUST_DEFs in comment at top of file.
1512	(get_expr_operands): Remove opf_kill_def.
1513	(opf_kill_def): Remove.
1514	(add_virtual_operand): Remove opf_kill_def.
1515	(get_indirect_ref_operands): Same.
1516	(get_tmr_operands): Same.
1517
1518	* tree-vectorizer.c (rename_variables_in_bb): Remove
1519	SSA_OP_ALL_KILLS.
1520
1521	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1522	SSA_OP_ALL_KILLS.
1523	(check_loop_closed_ssa_stmt): Same.
1524
1525	* tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1526	(verify_use): Same.
1527	(verify_ssa): Remove V_MUST_DEFs traces.
1528	(verify_ssa): Remove SSA_OP_ALL_KILLS.
1529
1530	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1531	SSA_OP_VMAYDEF.
1532	(rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1533	(rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1534
1535	* tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1536	references.
1537	(MUSTDEF_OPS): Remove.
1538	(SSA_OP_VMUSTDEF): Remove.
1539	(FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1540	(struct mustdef_optype_d): Remove.
1541	Remove mustdef_optype_p.
1542	(struct stmt_operands_d): Remove mustdef_ops.
1543	(ssa_operand_iterator_d): Remove mustdefs and mustkills.
1544	(SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1545	(MUSTDEF_RESULT_PTR): Remove.
1546	(MUSTDEF_RESULT): Remove.
1547	(MUSTDEF_KILL_PTR): Remove.
1548	(MUSTDEF_KILL): Remove.
1549	(MUSTDEF_NUM): Remove.
1550	(MUSTDEF_VECT): Remove.
1551	(SSA_OP_VIRTUAL_KILLS): Remove.
1552	(SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1553	(SSA_OP_VMUSTKILL): Remove.
1554	(SSA_OP_ALL_KILLS): Remove.
1555	(SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1556
1557	* tree-flow-inline.h (op_iter_init_def): Remove
1558	SSA_OP_VIRTUAL_KILLS.
1559	(delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1560
1561	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1562	SSA_OP_VIRTUAL_KILLS.
1563
1564	* tree-ssa-loop-im.c (determine_max_movement): Remove
1565	SSA_OP_VIRTUAL_KILLS.
1566	(gather_mem_refs_stmt): Same.
1567	(gather_mem_refs_stmt): Same.
1568
1569	* tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1570	(perform_tree_ssa_dce): Remove call to
1571	mark_really_necessary_kill_operand_phis.
1572
1573	* tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1574	and mustkills.
1575	(op_iter_next_use): Do not check mustkills.
1576	(op_iter_next_def): Do not check mustdefs.
1577	(op_iter_next_tree): Do not check mustkills or mustdefs.
1578	(clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1579	(op_iter_next_maymustdef): Do not check mustkills.
1580	(op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1581	(op_iter_init_mustdef): Remove.
1582
1583	* tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1584	SSA_OP_VMAYDEF.
1585
1586	* tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1587
1588	* tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1589	(visit_assignment): Same.
1590
1591	* tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1592
1593	* tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1594
1595	* tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1596
1597	* tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1598	Remove kill_p variable.
1599
1600	* tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1601	(dump_dfa_stats): Remove code related to V_MUST_DEFs.
1602	(collect_dfa_stats_r): Do not set num_v_must_defs.
1603	(mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1604	code.
1605
1606	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1607	SSA_OP_VMAYUSE.
1608
1609	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1610	SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1611
1612	* tree-ssa-propagate.c (stmt_makes_single_store): Remove
1613	SSA_OP_VMUSTDEF.
1614
16152006-12-11  Zdenek Dvorak <dvorakz@suse.cz>
1616
1617	PR rtl-optimization/30113
1618	* loop-iv.c (implies_p): Require the mode of the operands to be
1619	scalar.
1620
16212006-12-11  Diego Novillo  <dnovillo@redhat.com>
1622
1623	* tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1624	Rename from create_ssa_artficial_load_stmt.  Update all users.
1625	* tree-into-ssa.c (register_new_def): Make static.
1626	* tree.c (is_global_var): Handle SSA_NAMEs.
1627	* tree.h (SSA_NAME_IS_DEFAULT_DEF): Define.  Update all users
1628	that used to call gimple_default_def.
1629	* tree-ssa-operands.c (push_stmt_changes): New.
1630	(pop_stmt_changes): New.  Update every pass that modifies
1631	statements to bracket modifications with
1632	push_stmt_changes/pop_stmt_changes.
1633	(discard_stmt_changes): New.
1634	* tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1635	'tree *' instead of 'tree'.  Update all users.
1636	* tree-flow-inline.h (zero_imm_uses_p): New.
1637	(symbol_mem_tag): New.  Update every function that used
1638	to access the annotation directly.
1639	(set_symbol_mem_tag): Likewise.
1640	* tree-dfa.c (dump_variable): Always show the escape mask.
1641	(mark_symbols_for_renaming): Rename from
1642	mark_new_vars_to_rename.  Update all users.
1643	Only mark to rename naked symbols in real and virtual
1644	operands.
1645
16462006-12-11  Andreas Schwab  <schwab@suse.de>
1647
1648	* varasm.c (elf_record_gcc_switches): Cast second argument of
1649	ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1650
16512006-12-11  Diego Novillo  <dnovillo@redhat.com>
1652
1653	* tree-scalar-evolution.c (scev_const_prop):
1654	* tree-phinodes.c (remove_phi_node): Add argument
1655	RELEASE_LHS_P.  If given, release the SSA name on the LHS of
1656	the PHI node.
1657	Update all users.
1658	* tree-ssa-dce.c: Remove forward declarations for static
1659	functions.  Re-arrange functions bodies as needed.
1660	(find_obviously_necessary_stmts): Never mark PHI nodes as
1661	obviously necessary.
1662
16632006-12-11  Carlos O'Donell  <carlos@codesourcery.com>
1664
1665	* config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1666
16672006-12-11  Jan Hubicka  <jh@suse.cz>
1668
1669	* value-prof.c (tree_stringops_transform): New.
1670	(tree_value_profile_transformations): Require count to be non-zero;
1671	call stringop transform; reset stmt BSI after BB changed.
1672	(tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1673	(interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1674	(tree_stringops_values_to_profile): New.
1675	(tree_values_to_profile): Call tree_stringops_values_to_profile.
1676	* tree.h (build_string_literal): Tidy prototype.
1677	(validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1678	Declare.
1679	* builtins.c (validate_arglist, builtin_memset_read_str,
1680	get_pointer_alignment): Export.
1681
16822006-12-11  Uros Bizjak  <ubizjak@gmail.com>
1683
1684	PR target/30120
1685	Revert:
1686	2006-11-15  Uros Bizjak  <ubizjak@gmail.com>
1687
1688	* config/i386/i386.opt: New target option -mx87regparm.
1689
1690	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1691	float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1692	(X87_REGPARM_MAX): Define.
1693
1694	* config/i386/i386.c (override_options): Error out for
1695	-mx87regparm but no 80387 support.
1696	(ix86_attribute_table): Add x87regparm.
1697	(ix86_handle_cconv_attribute): Update comments for x87regparm.
1698	(ix86_comp_type_attributes): Check for mismatched x87regparm types.
1699	(ix86_function_x87regparm): New function.
1700	(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1701	point registers.
1702	(init_cumulative_args): Initialize x87_nregs and float_in_x87
1703	variables.
1704	(function_arg_advance): Process x87_nregs and x87_regno when
1705	floating point argument is to be passed in 80387 register.
1706	(function_arg): Pass XFmode arguments in 80387 registers for local
1707	functions.  Pass SFmode and DFmode arguments to local functions
1708	in 80387 registers when flag_unsafe_math_optimizations is set.
1709
1710	* reg-stack.c (convert_regs_entry): Disable NaN load for
1711	stack registers that are used for argument passing.
1712
1713	* doc/extend.texi: Document x87regparm function attribute.
1714	* doc/invoke.texi: Document -mx87regparm.
1715
17162006-12-11  Jan Hubicka  <jh@suse.cz>
1717
1718	Move all varpool routines out of cgraph/cgraphunit to varpool.c
1719	* cgraph.c: Update comments.
1720	(cgraph_varpool_hash,
1721	cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1722	cgraph_varpool_node_name, cgraph_varpool_node,
1723	cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1724	cgraph_variable_initializer_availability): Move to
1725	varpool.c and drop cgraph_ prefixes.
1726	(cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1727	cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1728	move to varpool.c; drop cgraph_ prefix; make static.
1729	(dump_cgraph_varpool_node): Move to varpool.c under name
1730	dump_varpool_node.
1731	(dump_varpool, hash_varpool_node, eq_varpool_node,
1732	decide_is_variable_needed): Move to varpool.c
1733	(decl_assembler_name_equal): Move to tree.c.
1734	(availability_names): Rename to ...
1735	(cgraph_availability_names): ... this one.
1736	(dump_cgraph_node): Update.
1737	* cgraph.h: Reorder declarations now in varpool.c
1738	(cgraph_vailablity_names): Declare.
1739	(struct cgraph_varpool_node): Rename to ...
1740	(struct varpool_node): ... this one.
1741	(cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1742	cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1743	cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1744	cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1745	cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1746	cgraph_variable_initializer_availability): Rename to ...
1747	(varpool_first_unanalyzed_node, varpool_nodes_queue,
1748	varpool_first_unanalyzed_node, varpool_node,
1749	varpool_node_for_asm, varpool_mark_needed_node,
1750	varpool_finalize_decl, varpool_enqueue_needed_node,
1751	varpool_assemble_pending_decls, variable_initializer_availability):
1752	Rename to ...
1753	* tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1754	* tree.h (decl_assembler_name_equal): Declare.
1755	* omp-low.c (lower_omp_critical): Update.
1756	* ipa-reference (analyze_variable, static_execute): Likewise.
1757	* toplev.c (wrapup_global_declaration_2, compile_file): Update.
1758	* cgraphunit.c: Update comments.
1759	(cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1760	varpool_assembled_nodes_queue.
1761	(cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1762	varpool_analyze_pending_decls.
1763	(cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1764	varpool_remove_unreferenced_decls.
1765	(record_reference): Update.
1766	(cgraph_create_edges): Update.
1767	(record_referneces_in_initializer): New function.
1768	(cgraph_varpool_assemble_decl): Move to varpool.c under name
1769	varpool_assemble_decl; make global.
1770	(cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1771	varpool_assemble_pending_decls.
1772	(process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1773	struct cgraph_order_sort, cgraph_output_in_order,
1774	cgraph_function_and_variable_invisibility, cgraph_optimize,
1775	cgraph_increase_alignment): Update.
1776	* dwarf2out.c (decls_for_scope): Likewise.
1777	* ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1778	* except.c (output_ttype): Likewise.
1779	* varasm.c (mark_decl_referenced): Likewise.
1780	(find_decl_and_mark_referenced, assemble_alias): update.
1781	* Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1782	* passes.c (rest_of_decl_compilation): Update.
1783
17842006-12-11  Ira Rosen  <irar@il.ibm.com>
1785
1786	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1787	GIMPLE_STMT_OPERAND.
1788	* tree-vect-transform.c (vect_permute_store_chain): Likewise.
1789	(vect_setup_realignment): Likewise.
1790
17912006-12-11  Sa Liu  <saliu@de.ibm.com>
1792	    Ben Elliston  <bje@au.ibm.com>
1793
1794	* config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1795	(ENDFILE_SPEC): Likewise.
1796	* config/spu/spu.opt (mstdmain): New option.
1797	* config/spu/crti.asm: Remove.
1798	* config/spu/crtn.asm: Likewise.
1799	* config/spu/crt0.c: Likewise.
1800	* config/spu/crtend.c: Likewise.
1801	* config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1802	listed above.
1803	($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1804	* doc/invoke.texi (SPU Options): Document -mstdmain.
1805
18062006-12-10  Zdenek Dvorak <dvorakz@suse.cz>
1807
1808	* doc/loop.texi: Document number_of_latch_executions and
1809	number_of_cond_exit_executions.
1810	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1811	chrec_is_positive, number_of_iterations_for_all_loops,
1812	scev_const_prop): Use number_of_latch_executions.
1813	(set_nb_iterations_in_loop): Do not increase the value of the
1814	number of iterations.
1815	(number_of_iterations_in_loop): Renamed to ...
1816	(number_of_latch_executions): ... this.
1817	(number_of_exit_cond_executions): New function.
1818	* tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1819	removed.
1820	(number_of_latch_executions, number_of_exit_cond_executions): Declare.
1821	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1822	number_of_latch_executions.
1823	* tree-data-ref.c (get_number_of_iters_for_loop): Use
1824	number_of_exit_cond_executions.
1825	* tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1826	* cfgloop.h (struct loop): Improve description of the nb_iterations
1827	field.
1828
18292006-12-10  Daniel Berlin  <dberlin@dberlin.org>
1830
1831	* tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1832	(tree_pointer_compare): Remove.
1833
18342006-12-10  Zdenek Dvorak <dvorakz@suse.cz>
1835
1836	* tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1837	* loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1838	* tree-loop-linear.c (linear_transform_loops): Ditto.
1839	* tree-ssa-loop-im.c (determine_lsm): Ditto.
1840	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1841	free_numbers_of_iterations_estimates): Ditto.
1842	* tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1843	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1844	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1845	* modulo-sched.c (sms_schedule): Ditto.
1846	* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1847	tree_unroll_loops_completely): Ditto.
1848	* predict.c (predict_loops): Ditto.
1849	* tree-if-conv.c (main_tree_if_conversion): Ditto.
1850	* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1851	decide_unrolling_and_peeling): Ditto.
1852	* cfgloopmanip.c (unloop): Use delete_loop.
1853	(place_new_loop): Access larray vector instead of parray.
1854	(create_preheaders, force_single_succ_latches,
1855	fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1856	* loop-doloop.c (doloop_optimize_loops): Ditto.
1857	* loop-invariant.c (move_loop_invariants): Ditto.
1858	* tree-cfg.c (replace_uses_by): Ditto.
1859	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1860	* tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1861	Moved to ...
1862	* tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1863	... here.
1864	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1865	compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1866	get_loop and get_chrec_loop.
1867	(number_of_iterations_for_all_loops): Use number_of_loops.
1868	(scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1869	* tree-scalar-evolution.h (get_chrec_loop): New inline function.
1870	* cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1871	and FOR_EACH_LOOP.
1872	* tree-chrec.c (evolution_function_is_invariant_rec_p,
1873	chrec_convert_1): Use get_loop and get_chrec_loop.
1874	* loop-init.c (loop_optimizer_init): Use number_of_loops.
1875	(loop_optimizer_init): Use FOR_EACH_LOOP.
1876	* tree-vectorizer.c (vect_loops_num): Removed.
1877	(vectorize_loops): Store number of loops locally.  Use
1878	FOR_EACH_LOOP and get_loop.
1879	* tree-vectorizer.h (vect_loops_num): Removed.
1880	* tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1881	(find_data_references_in_loop): Do not set parallel_p.
1882	* tree-data-ref.h: Do not declare VEC(loop_p).
1883	* cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1884	verify_loop_structure): Use FOR_EACH_LOOP.
1885	(flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1886	(initialize_loops_parallel_p): Removed.
1887	(flow_loops_find): Push the loops into a vector.
1888	(delete_loop): New function.
1889	(cancel_loop): Use delete_loop.
1890	* cfgloop.h: Declare VEC(loop_p).
1891	(struct loop): Remove parallel_p field.
1892	(struct loops): Replace num and parray field by larray vector.
1893	Remove shared_headers field.
1894	(delete_loop): Declare.
1895	(get_loop, get_loops, number_of_loops, fel_next, fel_init,
1896	FOR_EACH_LOOP): New.
1897	* doc/loop.tex: Document new accessor functions.
1898
18992006-12-10  Andrew MacLeod  <amacleod@redhat.com>
1900
1901	* common.opt (-ftree-lrs): Remove live range splitting option.
1902	* makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1903	* opts.c (decode_options): Remove flag_tree_live_range_split.
1904	* tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1905	* tree-flow-inline.h (single_imm_use_p): New.  Check for single use.
1906	* tree-outof-ssa.c: Remove header files which aren't needed.
1907	(SSANORM_*): Remove flags.
1908	(print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1909	coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1910	(coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1911	(assign_vars): Use Basevar instead of root_var structure.
1912	(replace_def_variable): Dont do anything if def is replaceable.
1913	(remove_ssa_form): Integrate functional changes.
1914	(rewrite_out_of_ssa): Remove live-range_split option.
1915	* tree-ssa-coalesce.c: New File for ssa-name coalescing.
1916	(coalesce_cost): Calculate the cost of a coalesce.
1917	(coalesce_cost_bb): Calculate the coalesce cost within a BB.
1918	(coalesce_cost_edge): Calculate the coalesce cost on an edge.
1919	(pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1920	(pop_best_coalesce): Remove the best coalesce from the list.
1921	(coalesce_pair_map_hash): Calculate coalesce pair hash.
1922	(coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1923	(create_coalesce_list): Create a coalesce list object.
1924	(delete_coalesce_list): Free a coalesce list object.
1925	(find_coalesce_pair): Find matching pair in the coalesce list.
1926	(add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1927	(add_coalesce): Add a coalesce to the coalesce list.
1928	(compare_pairs): Comparision function to determine pair sorted order.
1929	(num_coalesce_pairs): Number of coalesced pairs.
1930	(first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1931	Coalesce pair iterator functions.
1932	(sort_coalesce_list): Sort coalesce pairs in order of expense.
1933	(dump_coalesce_list): Show coalesce list.
1934	(ssa_conflicts_new): Create an SSA conflict graph.
1935	(ssa_conflicts_delete): Delete an SSA conflict graph.
1936	(ssa_conflicts_test_p): Test for conflicts.
1937	(ssa_conflicts_add_one): Add a single conflict.
1938	(ssa_conflicts_add): Add a conflict pair.
1939	(ssa_conflicts_merge): Merge conflicts.
1940	(struct live_track_d): Struct for tracking live partitions.
1941	(new_live_track): Create new live_track object.
1942	(delete_live_track): Delete a live_track object.
1943	(live_track_remove_partition): Remove a partition from the live list.
1944	(live_track_add_partition): Add a partition from the live list.
1945	(live_track_clear_var): Take VAR from the live list.
1946	(live_track_live_p): Is var live?
1947	(live_track_process_use): Make var come alive.
1948	(live_track_process_def): Make var go dead, add conflicts.
1949	(live_track_init): Initialize to a live on exit set.
1950	(live_track_clear_base_vars): Clear live partitions.
1951	(build_ssa_conflict_graph): Build a conflict graph.
1952	(print_exprs): Common debug output routine.
1953	(abnormal_corrupt): Output info about a failed coalesce across an
1954	abnormal edge.
1955	(fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1956	(create_outofssa_var_map): Create a var map and coalesce list.
1957	(attempt_coalesce): Coalesce a pair.
1958	(coalesce_partitions): Coalesce all pairs in a coalesce list.
1959	(coalesce_ssa_name): Entry point.  Determine what ssa_names to coalesce.
1960	* tree-ssa-live.c: Remove header files which aren't needed.
1961	(var_map_base_init): New.  Initialize a basevar list.
1962	(var_map_base_fini): New.  Finish a basevar list.
1963	(init_var_map): Initialize new fields.
1964	(delete_var_map): Free new fields.
1965	(var_union): Use renamed fields.
1966	(compact_var_map): Remove.
1967	(partition_to_view_init): Use renamed fields, change order of an if.
1968	(partition_view_fini): Use renamed fields.
1969	(partition_view_normal): Create basevar list if requested.
1970	(partition_view_bitmap): Create a view based on a bitmap of partitions.
1971	(change_partition_var): Use renamed fields.
1972	(create_ssa_var_map): Remove.
1973	(tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1974	root_var_init): Remove.
1975	(partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1976	delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1977	compare_pairs, num_coalesce_pairs, first_partition_pair,
1978	end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1979	pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1980	build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1981	tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1982	(dump_var_map): Use renamed fields.
1983	* tree-ssa-live.h (struct  _var_map): Modify fields.
1984	(partition_to_var, version_to_var, var_to_partition): Use renamed
1985	fields.
1986	(basevar_index): New.  Index of the base variable of a partition.
1987	(num_basevars): New.  Number of unique base variables in partition map.
1988	(register_ssa_partition): Use renamed fields.
1989	(struct tree_partition_associator_d): Remove.
1990	(tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1991	tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1992	root_var, root_var_first_partition, root_var_next_partition,
1993	root_var_dump, root_var_delete, root_var_remove_partition,
1994	root_var_find, root_var_compact, root_var_decompact): Remove.
1995	(struct partition_pair, struct coalesce_list_d): Moved to
1996	tree-ssa-coalesce.c
1997	* tree-ssa-ter.c: Remove header files which aren't needed.
1998
19992006-12-10  Steven Bosscher  <steven@gcc.gnu.org>
2000
2001	* cse.c: (struct cse_basic_block_data): Remove LAST field.
2002	(struct branch_path): Remove BRANCH and TAKEN fields. Add new
2003	BB field.
2004	(cse_visited_basic_blocks): New static bitmap.
2005	(cse_end_of_basic_block, cse_basic_block): Remove.
2006	(cse_find_path, cse_dump_path, cse_prescan_path,
2007	cse_extended_basic_block): New static functions.
2008	(cse_insn): Don't CSE over setjmp calls.  Use the CFG to find
2009	basic block boundaries.  Don't record jump equivalences here.
2010	Update the CFG after doing in-place replacement of the SET_SRC.
2011	(cse_main): Rewrite.  Look for extended basic block headers
2012	and call cse_extended_basic_block on them until all paths that
2013	start at this header are exhausted.
2014	(rest_of_handle_cse): Verify that the CFG is incrementally updated
2015	and correct after cse_main.
2016	Don't call delete_trivially_dead_insns, let cfgcleanup do that.
2017	(rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
2018	(pass_cse): Add TODO_verify_flow.
2019	(pass_cse2): Likewise.
2020
20212006-12-10  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2022
2023	* reload1.c (choose_reload_regs): Don't set byte offset when
2024	resolving subregs of hard regs.
2025
20262006-12-09  Zack Weinberg  <zackw@panix.com>
2027
2028	* c-opts.c (c_common_parse_file): Unconditionally give a warning,
2029	suitable for the language, if set_yydebug is true.
2030	* c-pragma.h: Define enum pragma_omp_clause here.  Don't define
2031	YYDEBUG or declare yydebug.
2032	* c-parser.c (yydebug, enum pragma_omp_clause): Delete.
2033
20342006-12-09  Jan Hubicka  <jh@suse.cz>
2035
2036	* cgraph.c: Update copyright.
2037	* cgraph.h: Likewise
2038	(cgraph_update_pending_function): Remove prototype.
2039	* cgraphunit.c: Update copyright; update overall comment.
2040	(cgraph_assemble_pending_functions): Make local.
2041
20422006-12-09  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2043
2044	* haifa-sched.c (schedule_block): Remove excessive sanity check.
2045
20462006-12-08  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2047
2048	* config/spu/spu-protos.h (spu_split_immediate): Renamed from
2049	spu_split_address.
2050	(cpat_const_p, gen_cpat_const): Add.
2051	* config/spu/spu.c (immediate_class): New enum.
2052	(cpat_info, classify_immediate): New.
2053	(print_operand): Use S, D, T instead of F, G, H.  Use
2054	classify_immediate.  Handle cpat cases.
2055	(spu_split_immediate):  Renamed from spu_split_address.  Split all
2056	immediates that can be split.
2057	(immediate_load_p): Use classify_immediate.
2058	(spu_legitimate_constant_p): Accept everything except some cases of
2059	CONST_VECTOR.
2060	(spu_expand_move): Use spu_split_immedate.
2061	(fsmbi_const_p): Use classify_immediate.
2062	(cpat_const_p): New.
2063	(gen_cpat_const: New.
2064	* config/spu/constraints.md (j,k,l): New constraints for cpat
2065	instructions.
2066	* config/spu/spu.md (unnamed splitter): Change address splitter to
2067	handle all immediates.
2068	(_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
2069	instructions.
2070	(cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
2071	when possible.
2072
20732006-12-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2074
2075	PR target/30039
2076	* pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
2077	patterns.  Correct length of high:DI instruction sequence.
2078
20792006-12-08  Mike Stump  <mrs@apple.com>
2080
2081	* config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
2082	libgcc with -mmacosx-version-min=10.4.
2083	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
2084	G4 for 10.5+ unless doing kernel builds.
2085
20862006-12-08  Uros Bizjak  <ubizjak@gmail.com>
2087
2088	PR target/30120
2089	* reg-stack.c (convert_regs_entry): Mark current argument passing
2090	registers as live.
2091
2092	* config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
2093	of float arguments in x87 registers.
2094
20952006-12-08  John David Anglin  <dave.anglin.@nrc-cnrc.gc.ca>
2096
2097	* pa.h (LEGITIMATE_CONSTANT_P): Simplify.
2098
20992006-12-08  Mark Shinwell  <shinwell@codesourcery.com>
2100
2101	* recog.c (mode_dependent_address_p): Identify pre-increment,
2102	pre-decrement, post-increment and post-decrement addressing as always
2103	being mode-dependent.
2104	* config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
2105	* config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2106	* config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
2107	* config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2108	PRE_INC and POST_INC checks.
2109	* config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2110	* config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2111	* config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2112	* config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2113	* config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2114	PRE_INC, POST_DEC and POST_INC cases.
2115	* config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
2116	Delete POST_INC and PRE_DEC cases.
2117	* config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2118	no-op.
2119	* config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2120	* config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2121	no-op.
2122	* config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2123	* config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2124	* config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
2125	PRE_INC and PRE_DEC cases.
2126	* config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2127	* config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2128	* config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2129	(GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2130	* config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2131	* config/vax/vax.c (vax_mode_dependent_address_p): Delete
2132	auto-increment cases.
2133	* config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
2134	auto-increment cases.
2135	* config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2136
21372006-12-08  Andrew MacLeod  <amacleod@redhat.com>
2138
2139	* Makefile.in: Add new file tree-ssa-ter.c.
2140	* tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
2141	free_temp_expr_table, add_value_to_version_list,
2142	add_value_to_partition_list, remove_value_from_partition_list,
2143	add_dependence, check_replaceable, finish_expr, mark_replaceable,
2144	kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
2145	find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
2146	* tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
2147	prototypes.
2148	* tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
2149	(struct value_expr_d): Remove.
2150	(struct temp_expr_table_d): Rename fields, add explicit vector of
2151	replaceable expressions instead of sharing.  Change value_expr_p's to
2152	bitmap.  Delete free_list.
2153	(new_temp_expr_table): Rename fields, count number of ssa_names in
2154	each partition.
2155	(free_temp_expr_table): Rename field, free new fields.
2156	(new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
2157	add_info_to_list, remove_value_from_list): Delete.
2158	(version_to_be_replaced_p): New.  Is an ssa-name replaceable?
2159	(make_dependent_on_partition): New.  Set bit in version list, allocating
2160	a bitmap if need be.
2161	(add_to_partition_kill_list): New.  Set bit in the partition list,
2162	allocating a bitmap if need be.
2163	(remove_from_partition_kill_list): New.  Remove a bit from the
2164	partition list, free the bitmap if it is empty.
2165	(add_dependence): Use renamed field, cleanup.  Don't add a dependence
2166	on partitions with only one member.
2167	(is_replaceable_p): New.  Split out replaceability check from
2168	check_replaceable.
2169	(process_replaceable): New.  Code split from check_replaceable.
2170	(check_replaceable): Removed.
2171	(finished_with_expr): Renamed from finish_expr.
2172	(kill_expr): Use renamed fields and less parameters.
2173	(kill_virtual_exprs): Less parameters.
2174	(mark_replaceable): Use renamed fields.
2175	(find_replaceable_in_bb): Use renamed fields, cleanup.
2176	(find_replaceable_exprs): Use renamed routines, cleanup.
2177	(dump_replaceable_exprs): Don't go past end of ssa_names list.
2178	(debug_ter): New.  Debug routine to dump state.
2179
21802006-12-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2181
2182	* config/bfin/bfin.c (effective_address_32bit_p): Return true for
2183	anything involving the GOT.
2184	(bfin_adjust_cost): Don't take the REGNO of a MEM.
2185	(trapping_loads_p): Look inside the pattern of an insn to find the
2186	SET.
2187	* config/bfin/bfin.md (attr "type"): Add movcc.
2188	(insn_reservation "alu"): Likewise.
2189	(movsicc_insn1, movsicc_insn2): Change type to movcc.
2190
21912006-12-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2192
2193	* config/spu/spu-c.c (spu_build_overload_builtin): Delete.
2194	(spu_resolve_overloaded_builtin): Check for non scalar instead
2195	of vector type and check the function call argument type also for
2196	non scalar.
2197	Call build_function_call instead of spu_build_overload_builtin.
2198
21992006-12-07  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2200
2201	* config/spu/spu.c (array_to_constant): Correct the order of arguments
2202	to the calls of hwint_to_const_double.
2203
22042006-12-07  Nick Clifton  <nickc@redhat.com>
2205
2206	* config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
2207	elf_record_gcc_switches.
2208
22092006-12-07  Andrew Macleod  <amacleod@redhat.com>
2210
2211	* expr.c (string_constant): Account for non-zero lower bound arrays.
2212
22132006-12-07  Richard Guenther  <rguenther@suse.de>
2214
2215	* builtins.c (expand_builtin_pow): Adjust predicates for
2216	pow to cbrt expansion to unsafe math and !HONOR_NANS for
2217	negative base.
2218
22192006-12-07  Jan Hubicka  <jh@suse.cz>
2220
2221	* i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
2222	codegen.
2223
22242006-12-07  Jan Hubicka  <jh@suse.cz>
2225
2226	* tree-vrp.c (compare_values): Short circuit INTEGER_CST;
2227	use fold_constant_to_binary; tolerate wrong type constants.
2228	(value_intersect_p): Do just two tests.
2229
22302006-12-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2231
2232	* config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
2233	* config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2234	lshifthi3): Use it, and fix the order of alternatives.
2235
22362006-12-07  Nick Clifton  <nickc@redhat.com>
2237
2238	* common.opt (record-gcc-switches): New command line switch.
2239	* target.h (print_switch_type): New enum.
2240	(print_switch_fn_type): New typedef for a function pointer.
2241	(struct gcc_target): Add record_gcc_switches and
2242	record_gcc_switches_section fields.
2243	* target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
2244	default definition.
2245	(TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
2246	definition.
2247	* toplev.c (print_single_switch): Simplify by providing a
2248	pointer to function that will format and output the switch
2249	appropriately.
2250	(print_switch_values): Likewise.
2251	(print_to_asm_out_file): New function.
2252	(print_to_stderr): New function.
2253	(init_asm_output): If flag_record_gcc_switches is set then if
2254	the target supports recording the switches then emit them into
2255	the assembler output file, otherwise tell the user that the
2256	switch is not supported.
2257	* varasm.c (eld_record_gcc_switches): New function.  Example
2258	handler for the record_gcc_switches target hook.
2259	* doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
2260	target hook.
2261	(TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
2262	* doc/invoke.texi (-frecord-gcc-switches): Document.
2263
22642006-12-07  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2265
2266	PR target/29794
2267	* sched-rgn.c (add_block1): Use correct initializer.
2268
22692006-12-07  Richard Guenther  <rguenther@suse.de>
2270
2271	* tree-vect-transform.c (vectorizable_call): Fix leftover of
2272	TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
2273
22742006-12-06  Aldy Hernandez  <aldyh@redhat.com>
2275
2276	PR/30079
2277	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
2278	not GIMPLE_MODIFY_STMT.
2279
22802006-12-06  Jan Hubicka  <jh@suse.cz>
2281
2282	* tree-vrp.c (operand_less_p): New.
2283	(compare_values, value_inside_range): Rewrite in terms of
2284	operand_less_p.
2285
22862006-12-06 Uros Bizjak <ubizjak@gmail.com>
2287
2288	* config/i386/i386.md (DIRFLAG_REG): Remove constant.
2289	(type): Remove cld.
2290	(length_immediate): Do not depend on cld type attribute.
2291	(length_address): Ditto.
2292	(modrm): Ditto.
2293	(memory): Ditto.
2294	(cld): Remove insn pattern.
2295	(strmov_singleop): Do not use DIRFLAG_REG.
2296	(*strmovdi_rex_1): Ditto.
2297	(*strmovsi_1): Ditto.
2298	(*strmovsi_rex_1): Ditto.
2299	(*strmovhi_1): Ditto.
2300	(*strmovhi_rex_1): Ditto.
2301	(*strmovqi_1): Ditto.
2302	(*strmovqi_rex_1): Ditto.
2303	(rep_mov): Ditto.
2304	(*rep_movdi_rex64): Ditto.
2305	(*rep_movsi): Ditto.
2306	(*rep_movsi_rex64): Ditto.
2307	(*rep_movqi): Ditto.
2308	(*rep_movqi_rex64): Ditto.
2309	(strset_singleop): Ditto.
2310	(*strsetdi_rex_1): Ditto.
2311	(*strsetsi_1): Ditto.
2312	(*strsetsi_rex_1): Ditto.
2313	(*strsethi_1): Ditto.
2314	(*strsethi_rex_1): Ditto.
2315	(*strsetqi_1): Ditto.
2316	(*strsetqi_rex_1): Ditto.
2317	(rep_stos): Ditto.
2318	(*rep_stosdi_rex64): Ditto.
2319	(*rep_stossi): Ditto.
2320	(*rep_stossi_rex64): Ditto.
2321	(*rep_stosqi): Ditto.
2322	(*rep_stosqi_rex64): Ditto.
2323	(cmpstrnsi): Do not generate cld insn.
2324	(cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2325	(*cmpstrnqi_nz_1): Ditto.
2326	(*cmpstrnqi_nz_rex_1): Ditto.
2327	(cmpstrnqi_1): Ditto.
2328	(*cmpstrnqi_1): Ditto.
2329	(*cmpstrnqi_rex_1): Ditto.
2330	(strlenqi_1): Ditto.
2331	(*strlenqi_1): Ditto.
2332	(*strlenqi_rex_1): Ditto.
2333
2334	* config/i386/geode.md (shift): Do not depend on cld type attribute.
2335	* config/i386/pentium.md (pent_cld): Remove insn reservation.
2336	* config/i386/athlon.md (athlon_decode): Do not depend on cld
2337	type attribute.
2338	* config/i386/ppro.md (ppro_cld): Remove insn reservation.
2339	* config/i386/k6.md (k6_alux_only): Do not depend on cld type
2340	attribute.
2341	(k6_alux_only_load): Ditto.
2342	(k6_alux_only_store): Ditto.
2343
2344	* config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2345	Do not emit cld instruction.
2346	(ix86_expand_setmem): Ditto.
2347	(ix86_expand_strlen): Do not emit cld instruction.
2348
23492006-12-06  Bernd Schmidt  <bernd.schmidt@analog.com>
2350
2351	* config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2352	old ones.
2353
23542006-12-06  Diego Novillo  <dnovillo@redhat.com>
2355
2356	* gdbinit.in: Set complaints to 0.
2357
23582006-12-06  Jan Hubicka  <jh@suse.cz>
2359
2360	* statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2361	ALONE_MEM_STAT_DECL): New macros.
2362	* bitmap.h: Include statistics.h
2363	(struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2364	(bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2365	(bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2366	* bitmap.c: Include hashtab.h
2367	(bitmap_descriptor): New.
2368	(bitmap_hash): New static variable
2369	(hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2370	New static functions.
2371	(bitmap_register): New.
2372	(bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2373	bitmap_obstack_release): Do accounting.
2374	(bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2375	accounting.
2376	(bitmap_gc_alloc_stat): Likewise.
2377	(bitmap_obstack_free, bitmap_find_bit): Do statictics.
2378	(print_statistics, dump_bitmap_statistics): New functions.
2379	* toplev.c (finalize): Dump bitmap statistics.
2380
23812006-12-06  Bernd Schmidt  <bernd.schmidt@analog.com>
2382
2383	* reload1.c (delete_output_reload): Count occurrences in
2384	CALL_INSN_FUNCTION_USAGE.
2385	* rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2386	crashing at the end of the list.
2387
23882006-12-05  Daniel Berlin  <dberlin@dberlin.org>
2389
2390	* tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2391	Optimize to avoid marking more SMT's as used when they aren't.
2392
23932006-12-05  Eric Christopher  <echristo@apple.com>
2394
2395	* config/i386/i386.c (x86_output_aligned_bss): Move out
2396	of COMMON_ASM_OP ifdef.
2397
23982006-12-05  Eric Christopher  <echristo@apple.com>
2399
2400	* config/darwin.h (DARWIN_EXTRA_SPECS): New.
2401	(STARTFILE_SPEC): Use.
2402	(DARWIN_DYLIB1_SPEC): New.
2403	(DARWIN_CRT1_SPEC): New.
2404	* config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2405	DARWIN_EXTRA_SPECS.
2406	* config/i386/darwin.h: Ditto.
2407	* config/rs6000/darwin.h: Ditto.
2408
24092006-12-05  Daniel Berlin  <dberlin@dberlin.org>
2410
2411	* tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2412	* tree-complex.c (pass_lower_complex): Ditto.
2413	* tree-ssa-ccp.c (pass_ccp): Ditto.
2414	(pass_store_ccp): Ditto.
2415	* tree-ssa-dom.c (pass_dominator): Ditto.
2416	(pass_phi_only_cprop): Ditto.
2417	* tree-sra.c (pass_sra): Ditto.
2418	* tree-ssa-forwprop.c (pass_forwprop): Ditto.
2419	* tree-flow.h (updating_used_alone): Remove.
2420	(updating_used_alone): Ditto.
2421	* tree-ssa-alias.c (updating_used_alone): Remove variable.
2422	(lhs_may_store_to): Remove function.
2423	(recalculate_used_alone): Ditto.
2424	(compute_may_aliases): Remove used_alone calculation.
2425	* tree.h (struct tree_memory_tag): Remove is_used_alone and
2426	old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2427	* tree-pass.h (PROP_smt_usage): Remove.
2428	* passes.c (execute_todo): Remove used alone recalculation.
2429	(execute_one_pass): Ditto.
2430	* tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2431	stuff.
2432
24332006-12-05  Brooks Moses  <brooks.moses@codesourcery.com>
2434
2435	* doc/include/texinfo.tex: Update to version 2006-11-08.17.
2436
24372006-12-05  Zdenek Dvorak <dvorakz@suse.cz>
2438
2439	PR tree-optimization/14784
2440	* tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2441
24422006-12-05  Aldy Hernandez  <aldyh@redhat.com>
2443
2444	Merge from gimple-tuples-branch.
2445
2446	2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2447
2448	* config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2449	GIMPLE_MODIFY_STMT.
2450	(s390_gimplify_va_arg): Same.
2451	* config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2452	* config/sh/sh.c (sh_va_start): Same.
2453	(sh_gimplify_va_arg_expr): Same.
2454	* config/xtensa/xtensa.c (xtensa_va_start): Same.
2455	(xtensa_gimplify_va_arg_expr): Same.
2456	* config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2457	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2458	* config/mips/mips.c (mips_va_start): Same.
2459	(mips_gimplify_va_arg_expr): Same.
2460
2461	2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2462
2463	* Merge from mainline at revision 119445.
2464
2465	2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2466
2467	* config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2468	GIMPLE_MODIFY_STMT.
2469	(spu_gimplify_va_arg_expr): Same.
2470
2471	2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2472
2473	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2474	Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2475	(xstormy16_expand_builtin_va_arg): Same.
2476
2477	2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2478
2479	* config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2480	to GIMPLE_MODIFY_STMT.
2481
2482	2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2483
2484	* config/alpha/alpha.c (va_list_skip_additions): Change all
2485	occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2486	(alpha_va_start): Same.
2487	(alpha_gimplify_va_arg_1): Same.
2488	(alpha_gimplify_va_arg): Same.
2489
2490	2006-12-01  Aldy Hernandez  <aldyh@redhat.com>
2491
2492	* gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2493
2494	2006-12-01  Aldy Hernandez  <aldyh@redhat.com>
2495
2496	* tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2497	GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2498	GENERIC_TREE_TYPE.
2499	* tree-complex.c: Same.
2500	* tree-pretty-print.c: Same.
2501	* tree.c: Same.
2502	* tree.h: Same.
2503	* builtins.c: Same.
2504	* fold-const.c: Same.
2505	* tree-ssa-dom.c: Same.
2506	* tree-ssa-propagate.c: Same.
2507	* tree-ssa-alias.c: Same.
2508	* gimple-low.c: Same.
2509	* dwarf2out.c: Same.
2510	* c-pretty-print.c: Same.
2511	* gimplify.c: Same.
2512	* tree-inline.c: Same.
2513	* tree-outof-ssa.c: Same.
2514	* tree-ssa-structalias.c: Same.
2515	* tree-ssa-reassoc.c: Same.
2516	* stmt.c: Same.
2517
2518	2006-11-16  Aldy Hernandez  <aldyh@redhat.com>
2519
2520	* tree.c (build2_stat): Fix comment.
2521
2522	2006-11-13  Aldy Hernandez  <aldyh@redhat.com>
2523
2524	* tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2525	TREE_OPERAND when appropriate.
2526
2527	2006-11-04  Aldy Hernandez  <aldyh@redhat.com>
2528
2529	* java/java-tree.h (lang_tree_node): Handle gimple tuples.
2530	(EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2531	(EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2532	* java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2533	not handle GIMPLE_MODIFY_STMT in the switch statement.
2534	(java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2535	(java_gimplify_new_array_init): Same.
2536
2537	2006-11-03  Aldy Hernandez  <aldyh@redhat.com>
2538
2539	* gimplify.c (gimplify_omp_for): Allow gimple statements.
2540	* tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2541	* fold-const.c (fold_binary): Allow gimple statements.
2542	(fold): Same.
2543	* fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2544	Rename from gfc_conv_descriptor_data_set.
2545	Call gfc_add_modify instead of gfc_add_modify_expr.
2546	* fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2547	Rename from gfc_conv_descriptor_data_set.
2548	(gfc_conv_descriptor_data_set): New macro.
2549	(gfc_conv_descriptor_data_set_tuples): New macros.
2550	* fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2551	gfc_conv_descriptor_data_set_tuples.
2552	* fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2553	Generate GIMPLE_MODIFY_STMT when appropriate.
2554	* fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2555	(gfc_add_modify_expr): New macro.
2556	(gfc_add_modify_stmt): New macro.
2557	* fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2558
2559	2006-11-01  Aldy Hernandez  <aldyh@redhat.com>
2560
2561	* Merge from mainline at revision 118200.
2562
2563	2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
2564
2565	* tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2566	accordingly.
2567
2568	2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
2569
2570	* tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2571	enable checking.
2572	Also, add __extension__ to GCC versions.
2573	* tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2574	* tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2575	patrol.
2576
2577	2006-10-05  Aldy Hernandez  <aldyh@redhat.com>
2578
2579	* tree-complex.c (expand_complex_libcall): Adjust for
2580	GIMPLE_MODIFY_STMT.
2581	(expand_complex_comparison): Same.
2582	* tree-pretty-print.c (dump_generic_node): Is_expr should include
2583	GIMPLE_STMT_P statements.
2584	* value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2585	GIMPLE_MODIFY_STMT.
2586	(tree_mod_pow2_value_transform): Same.
2587	(tree_mod_subtract_transform): Same.
2588	* tree.c (build2_stat): Check for gimplified function in cfun.
2589	* tree.h (DECL_GIMPLIFIED): Delete.
2590	(struct tree_function_decl): Remove gimplified_flag.
2591	* omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2592	* cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2593	(cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2594	(cxx_omp_clause_copy_ctor): Same.
2595	(cxx_omp_clause_assign_op): Same.
2596	* c-pretty-print.c (pp_c_conditional_expression): Same.
2597	(pp_c_expression): Same.
2598	* langhooks.c (lhd_omp_predetermined_sharing): Same.
2599	* function.h (struct function): Add gimplified field.
2600	* tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2601	GIMPLE_MODIFY_STMT.
2602	(find_phi_replacement_condition): Same.
2603	* gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2604	(gimplify_modify_expr_to_memset): Same.
2605	(gimplify_init_ctor_eval_range): Same.
2606	(gimplify_modify_expr_complex_part): Same.
2607	(tree_to_gimple_tuple): Same.
2608	(gimplify_modify_expr): Same.
2609	(gimple_push_cleanup): Same.
2610	(gimplify_omp_for): Same.
2611	(gimplify_omp_atomic_pipeline): Same.
2612	(gimplify_omp_atomic_mutex): Same.
2613	(gimplify_expr): Same.
2614	(gimplify_one_sizepos): Same.
2615	(gimplify_function_tree): Same.
2616	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2617	(vect_recog_widen_sum_pattern): Same.
2618	* tree-vect-transform.c (get_initial_def_for_reduction): Same.
2619	(vect_create_epilog_for_reduction): Same.
2620	(vectorizable_reduction): Same.
2621
2622	2006-09-28  Aldy Hernandez  <aldyh@redhat.com>
2623
2624	* tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2625	* tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2626	(ifc_temp_var): Same.
2627	* tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2628	for gimple statements.
2629	(vect_analyze_operations): Same.
2630	(exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2631	* gimplify.c (gimplify_return_expr): Handle gimple statements.
2632	* lambda-code.c (can_put_in_inner_loop): Same.
2633	(can_put_after_inner_loop): Same.
2634	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2635	(vect_create_data_ref_ptr): Same.
2636	(vect_init_vector): Same.
2637	(vect_get_vec_def_for_operand): Same.
2638	(vect_create_epilog_for_reduction): Same.
2639	(vectorizable_reduction): Same.
2640	(vectorizable_assignment): Same.
2641	(vectorizable_operation): Same.
2642	(vectorizable_load): Same.
2643	(vectorizable_condition): Same.
2644	* config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2645	(rs6000_gimplify_va_arg): Same.
2646
2647	2006-09-25  Aldy Hernandez  <aldyh@redhat.com>
2648
2649	* tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2650	GIMPLE_STMT_OPERAND.
2651	(simplify_abs_using_ranges): Same.
2652	* tree-complex.c (expand_complex_operations_1): Use
2653	PROTECTED_TREE_OPERAND.
2654	* tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2655	stmt.
2656	(get_val_for): Use GIMPLE_STMT_OPERAND.
2657	* tree-tailcall.c (adjust_accumulator_values): Same.
2658	(adjust_return_value): Same.
2659	* tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2660	case.  Remove special case for tcc_gimple_stmt.
2661	* tree.h (CAN_HAVE_LOCATION_P): New.
2662	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2663	GIMPLE_STMT_P.
2664	* tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2665	* tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2666	* tree-nrv.c (execute_return_slot_opt): Same.
2667	* tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2668	* tree-vn.c (set_value_handle): Same.
2669	(get_value_handle): Same.
2670	* c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2671	* tree-vectorizer.c (find_loop_location): Same.
2672	* c-typeck.c (c_process_expr_stmt): Same.
2673	(c_finish_stmt_expr): Same.
2674	* gimplify.c (should_carry_locus_p): Same.
2675	(tree_to_gimple_tuple): Delete definition and use of unecessary
2676	variable save_tree_block.
2677	* tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2678	(create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2679	(realify_fake_stores): Same.
2680	* tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2681	Use TREE_OPERAND.
2682	* tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2683	(copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2684	* tree-cfg.c (move_stmt_r): Use EXPR_P.  Check for GIMPLE_STMT_P.
2685	* c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2686	(c_parser_statement_after_labels): Same.
2687	(c_parser_paren_condition): Same.
2688	(c_parser_for_statement): Same.
2689	(c_parser_omp_for_loop): Same.
2690	* tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2691	(linearize_expr_tree): Same.
2692	* dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2693	* function.c (instantiate_expr): Same.
2694
2695	2006-09-22  Aldy Hernandez  <aldyh@redhat.com>
2696
2697	* tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2698	(set_expr_location): Same.
2699	(expr_locus): Same.
2700	(set_expr_locus): Same.
2701	(expr_filename): Same.
2702	(expr_lineno): Same.
2703	(tree_block): Use GIMPLE_STMT_BLOCK.
2704	(protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2705	* tree.h (struct gimple_stmt): Remove prev and next.
2706	(GIMPLE_STMT_OPERAND_CHECK): New.
2707	(TREE_TO_GIMPLE_STMT): Delete.
2708	(GIMPLE_STMT_TO_TREE): Delete.
2709	(GIMPLE_STMT_OPERAND): Use union, not cast.
2710	(GIMPLE_STMT_LOCUS): New.
2711	(GIMPLE_STMT_BLOCK): New.
2712	* gimplify.c (tree_to_gimple_tuple): Use union.  Do not cast
2713	to tree_base.
2714	* tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2715
2716	2006-09-21  Aldy Hernandez  <aldyh@redhat.com>
2717
2718	* tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2719	to base.
2720	* tree-tailcall.c (adjust_return_value): Same.
2721	* tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2722	(copy_node_stat): Change common.base to base.
2723	(tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2724	Remove GIMPLE_STATEMENT_LIST case.
2725	* tree.h (struct gimple_stmt): Make operands of type tree.
2726	(TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2727	CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2728	TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2729	TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2730	TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2731	TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2732	TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2733	BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2734	TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2735	CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2736	TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2737	TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2738	SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2739	Change common.base to base.
2740	(GIMPLE_STATEMENT_LIST*): Remove.
2741	(union tree_node): Add base.  Remove gimple_statement_list.
2742	Remove pointer from gstmt.
2743	* tree-ssa-propagate.c (set_rhs): Change common.base to base.
2744	* treestruct.def: Add TS_BASE.  Remove TS_GIMPLE_STATEMENT_LIST.
2745	* tree-vn.c (vn_compute): Change common.base to base.
2746	* tree-eh.c (verify_eh_throw_stmt_node): Same.
2747	* tree-flow-inline.h (var_ann): Same.
2748	(function_ann): Same.
2749	(stmt_ann): Same.
2750	(mark_non_addressable): Same.
2751	* gimplify.c (tree_to_gimple_tuple): Same.
2752	* tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2753	* tree-dfa.c (create_var_ann): Change common.base to base.
2754	(create_function_ann): Same.
2755	(create_stmt_ann): Same.
2756	(create_tree_ann): Same.
2757	(collect_dfa_stats_r): Same.
2758	* tree-ssa-pre.c (NECESSARY): Change common.base to base.
2759	* tree-ssa-dce.c (NECESSARY): Same.
2760	* tree-ssa.c (delete_tree_ssa): Same.
2761	* tree-optimize.c (execute_free_cfg_annotations): Same.
2762	* tree-flow.h: Same.
2763
2764	2006-09-19  Aldy Hernandez  <aldyh@redhat.com>
2765
2766	* tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2767	(tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2768	GIMPLE_MODIFY_STMT.
2769	* tree.h (struct gimple_stmt): Add prev and next fields.
2770	(GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2771	(GIMPLE_STATEMENT_LIST_HEAD): New.
2772	(GIMPLE_STATEMENT_LIST_TAIL): New.
2773	(struct gimple_statement_list): New.
2774	(union tree_node): Add gimple_stmt_list and gstmt.
2775	* treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2776	* tree.def: Add GIMPLE_STATEMENT_LIST.
2777
2778	2006-09-06  Aldy Hernandez  <aldyh@redhat.com>
2779
2780	* tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2781	* tree-vrp.c (build_assert_expr_for): Change uses of
2782	MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2783	(find_assert_locations): Same.
2784	(remove_range_assertions): Same.
2785	(stmt_interesting_for_vrp): Same.
2786	(vrp_visit_assignment): Same.
2787	(vrp_visit_stmt): Same.
2788	(simplify_cond_using_ranges): Same.
2789	* tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2790	tree structure.
2791	* tree-ssa-loop-im.c (movement_possibility): Change uses of
2792	MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2793	(stmt_cost): Same.
2794	(determine_invariantness_stmt): Same.
2795	(schedule_sm): Same.
2796	(gather_mem_refs_stmt): Same.
2797	* tree-complex.c (init_dont_simulate_again): Same.
2798	(complex_visit_stmt): Same.
2799	(set_component_ssa_name): Same.
2800	(expand_complex_move): Same.
2801	(expand_complex_div_wide): Same.
2802	(expand_complex_comparison): Same.
2803	(expand_complex_operations_1): Same.
2804	* tree-ssa-loop-niter.c (expand_simple_operations): Same.
2805	(chain_of_csts_start): Same.
2806	(infer_loop_bounds_from_undefined): Same.
2807	* tree-pretty-print.c (dump_generic_node): Same.
2808	(op_prio): Same.
2809	(op_symbol_1): Same.
2810	* tree-ssa-loop-manip.c (create_iv): Same.
2811	* value-prof.c (tree_divmod_fixed_value): Same.
2812	(tree_divmod_fixed_value_transform): Same.
2813	(tree_mod_pow2): Same.
2814	(tree_mod_pow2_value_transform): Same.
2815	(tree_mod_subtract): Same.
2816	(tree_mod_subtract_transform): Same.
2817	(tree_divmod_values_to_profile): Same.
2818	* tree-tailcall.c (process_assignment): Same.
2819	(find_tail_calls): Same.
2820	(adjust_accumulator_values): Same.
2821	(adjust_return_value): Same.
2822	(eliminate_tail_call): Same.
2823	* tree.c (tree_code_size): Handle tcc_gimple_stmt.
2824	(make_node_stat): Same.
2825	(copy_node_stat): Handle gimple tuples.
2826	(expr_align): Handle GIMPLE_MODIFY_STMT.  Abort on MODIFY_EXPR.
2827	(tree_node_structure): Handle tcc_gimple_stmt.
2828	(build2_stat): Abort on MODIFY_EXPR after gimplification.  Handle
2829	tcc_gimple_stmt.
2830	(build2_gimple_stat): New.
2831	(expr_location): New.
2832	(set_expr_location): New.
2833	(expr_has_location): New.
2834	(expr_locus): New.
2835	(set_expr_locus): New.
2836	(expr_filename): New.
2837	(expr_lineno): New.
2838	(walk_tree): Handle tcc_gimple_stmt.
2839	(tree_block): New.
2840	(protected_tree_operand): New.
2841	(protected_tree_type): New.
2842	(tree_code_kind): Add gimple statements.
2843	* tree.h (tree_code_class): Add tcc_gimple_stmt.
2844	(IS_GIMPLE_STMT_CODE_CLASS): New.
2845	(struct tree_base): New.
2846	(struct tree_common): Shrink.
2847	(struct gimple_stmt): New.
2848	(struct gimple_expr): New.
2849	(TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2850	CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2851	TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2852	TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2853	TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2854	FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2855	TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2856	BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2857	TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2858	DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2859	TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2860	IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2861	TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2862	TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2863	Adjust for new `common' layout.
2864	(struct tree_function_decl): Add gimplified_flag.
2865	(DECL_GIMPLIFIED): NEW.
2866	(EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2867	SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2868	EXPR_HAS_LOCATION): Call corresponding function.
2869	(GIMPLE_STMT_CHECK): New.
2870	(TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2871	(TREE_BLOCK): Call tree_block.
2872	(GIMPLE_STMT_P): New.
2873	(GIMPLE_TUPLE_P): New.
2874	(TREE_TO_GIMPLE_STMT): New.
2875	(GIMPLE_STMT_TO_TREE): New.
2876	(GIMPLE_STMT_OPERAND): New.
2877	(GIMPLE_TUPLE_HAS_LOCUS_P): New.
2878	(PROTECTED_TREE_OPERAND): New.
2879	(PROTECTED_TREE_TYPE): New.
2880	(build2_gimple_stat): Protoize.
2881	(build2_gimple): New.
2882	(expr_location): Protoize.
2883	(set_expr_location): Protoize.
2884	(expr_has_location): Protoize.
2885	(expr_locus): Protoize.
2886	(set_expr_locus): Protoize.
2887	(expr_filename): Protoize.
2888	(expr_lineno): Protoize.
2889	(tree_block): Protoize.
2890	(protected_tree_operand): Protoize.
2891	(protected_tree_type): Protoize.
2892	(enum tree_node_kind): Add gimple_stmt_kind.
2893	* c-decl.c (union lang_tree_node): Tuples do not have a
2894	TREE_CHAIN.
2895	* ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2896	GIMPLE_MODIFY_STMT and adjust accordingly.
2897	* tree-scalar-evolution.c (follow_ssa_edge): Same.
2898	(interpret_condition_phi): Same.
2899	(pointer_used_p): Same.
2900	(analyze_scalar_evolution_1): Same.
2901	(scev_const_prop): Same.
2902	(interpret_rhs_modify_stmt): Rename from
2903	interpret_rhs_modify_expr.
2904	* builtins.c (std_expand_builtin_va_start): Change uses of
2905	MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2906	(std_gimplify_va_arg_expr): Same.
2907	(expand_builtin_va_copy): Same.
2908	(integer_valued_real_p): Same.
2909	* fold-const.c (maybe_lvalue_p): Same.
2910	(fold_unary): Same.
2911	(tree_expr_nonnegative_p): Same.
2912	(tree_expr_nonzero_p): Same.
2913	* omp-low.c (extract_omp_for_data): Same.
2914	(lower_rec_input_clauses): Same.
2915	(lower_reduction_clauses): Same.
2916	(lower_copyprivate_clauses): Same.
2917	(lower_send_clauses): Same.
2918	(lower_send_shared_vars): Same.
2919	(expand_parallel_call): Same.
2920	(expand_omp_parallel): Same.
2921	(expand_omp_for_generic): Same.
2922	(expand_omp_for_static_nochunk): Same.
2923	(expand_omp_for_static_chunk): Same.
2924	(expand_omp_sections): Same.
2925	(lower_omp_single_copy): Same.
2926	(lower_omp_parallel): Same.
2927	* tree-ssa-dse.c (memory_address_same): Same.
2928	(dse_optimize_stmt): Same.
2929	* ipa-reference.c (scan_for_static_refs): Same.
2930	* tree-gimple.c (is_gimple_reg_rhs): Same.
2931	(get_call_expr_in): Same.
2932	(recalculate_side_effects): Same.
2933	* cgraphunit.c (cgraph_create_edges): Same.
2934	* tree-ssa-copyrename.c (rename_ssa_copies): Same.
2935	* tree-ssa-ccp.c (get_default_value): Same.
2936	(likely_value): Same.
2937	(visit_assignment): Same.
2938	(ccp_visit_stmt): Same.
2939	(get_maxval_strlen): Same.
2940	(ccp_fold_builtin): Same.
2941	* tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2942	(find_givs_in_stmt): Same.
2943	(find_interesting_uses_op): Same.
2944	(find_interesting_uses_stmt): Same.
2945	(rewrite_use_nonlinear_expr): Same.
2946	* ipa-pure-const.c (scan_function): Same.
2947	* tree-stdarg.c (va_list_counter_bump): Same.
2948	(check_all_va_list_escapes): Same.
2949	(execute_optimize_stdarg): Same.
2950	* tree-ssa-math-opts.c (compute_merit): Same.
2951	(insert_reciprocals): Same.
2952	(execute_cse_reciprocals): Same.
2953	* tree-ssa-dom.c (initialize_hash_element): Same.
2954	(simple_iv_increment_p): Same.
2955	(record_equivalences_from_stmt): Same.
2956	(optimize_stmt): Same.
2957	(remove_stmt_or_phi): Same.
2958	(get_rhs_or_phi_arg): Same.
2959	(get_lhs_or_phi_result): Same.
2960	(propagate_rhs_into_lhs): Same.
2961	* tree-nrv.c (tree_nrv): Same.
2962	(execute_return_slot_opt): Same.
2963	* tree-ssa-propagate.c (get_rhs): Same.
2964	(set_rhs): Same.
2965	(stmt_makes_single_load): Same.
2966	(stmt_makes_single_store): Same.
2967	(replace_vuses_in): Same.
2968	(fold_predicate_in): Same.
2969	(substitute_and_fold): Same.
2970	* tree-ssa-alias.c (compute_call_clobbered): Same.
2971	(recalculate_used_alone): Same.
2972	(count_uses_and_derefs): Same.
2973	(is_escape_site): Same.
2974	(find_used_portions): Same.
2975	* gimple-low.c (lower_stmt): Same.
2976	(block_may_fallthru): Same.
2977	(lower_return_expr): Same.
2978	* tree-ssa-sink.c (is_hidden_global_store): Same.
2979	(statement_sink_location): Same.
2980	* dwarf2out.c (loc_descriptor_from_tree_1): Same.
2981	* expr.c (safe_from_p): Same.
2982	(expand_expr_real): Same.
2983	(expand_expr_real_1): Same.
2984	* tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2985	* predict.c (expr_expected_value): Same.
2986	(strip_builtin_expect): Same.
2987	(apply_return_prediction): Same.
2988	(tree_bb_level_predictions): Same.
2989	(tree_estimate_probability): Same.
2990	* tree-vn.c (vn_compute): Same.
2991	* tree-eh.c (add_stmt_to_eh_region_fn): Same.
2992	(remove_stmt_from_eh_region_fn): Same.
2993	(do_return_redirection): Same.
2994	(honor_protect_cleanup_actions): Same.
2995	(lower_try_finally_switch): Same.
2996	(lower_eh_constructs_1): Same.
2997	(tree_could_throw_p): Same.
2998	(verify_eh_throw_stmt_node): Same.
2999	* function.c (gimplify_parameters): Same.
3000	* tree-vectorizer.c (vect_is_simple_use): Same.
3001	(vect_is_simple_reduction): Same.
3002	* ipa-type-escape.c (scan_for_refs): Same.
3003	* tree-if-conv.c (tree_if_conversion): Same.
3004	(tree_if_convert_stmt): Same.
3005	(if_convertible_gimplify_modify_stmt_p): Rename from
3006	if_convertible_modify_expr_p.
3007	(if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
3008	(ifc_temp_var): Same.
3009	(replace_phi_with_cond_modify_stmt): Rename from
3010	replace_phi_with_cond_modify_expr.
3011	(process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
3012	* tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
3013	* tree-data-ref.c (find_data_references_in_loop): Adjust for
3014	GIMPLE_MODIFY_STMT.
3015	* tree-flow-inline.h (var_ann): Same.
3016	(function_ann): Same.
3017	(stmt_ann): Same.
3018	(mark_non_addressable): Same.
3019	* tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
3020	* gimplify.c (tree_to_gimple_tuple): New.
3021	(build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
3022	(gimplify_return_expr): Same.
3023	(gimplify_decl_expr): Same.
3024	(gimplify_self_mod_expr): Same.
3025	(gimplify_cond_expr): Same.
3026	(gimplify_init_constructor): Same.
3027	(gimplify_modify_expr): Same.
3028	(gimplify_expr): Same.
3029	(gimplify_function_tree): Same.
3030	(force_gimple_operand): Same.
3031	* tree-ssa-phiopt.c (conditional_replacement): Same.
3032	(minmax_replacement): Same.
3033	(abs_replacement): Same.
3034	* tree-dfa.c (create_var_ann): Same.
3035	(create_function_ann): Same.
3036	(create_stmt_ann): Same.
3037	(create_tree_ann): Same.
3038	(collect_dfa_stats_r): Same.
3039	* tree-ssa-pre.c (find_or_generate_expression): Same.
3040	(create_expression_by_pieces): Same.
3041	(try_look_through_load): Same.
3042	(insert_fake_stores): Same.
3043	(realify_fake_stores): Same.
3044	(compute_avail): Same.
3045	(eliminate): Same.
3046	(init_pre): Same.
3047	(poolify_modify_stmt): Rename from poolify_modify_stmt.
3048	Adjust for GIMPLE_MODIFY_STMT.
3049	(NECESSARY): Adjust for new `common' layout.
3050	* tree-ssa-live.c (build_tree_conflict_graph): Adjust for
3051	GIMPLE_MODIFY_STMT.
3052	* tree-sra.c (sra_walk_modify_stmt): Rename from
3053	sra_walk_modify_expr.
3054	(sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
3055	(generate_copy_inout): Same.
3056	(generate_element_copy): Same.
3057	(generate_element_zero): Same.
3058	(scalarize_copy): Same.
3059	* tree-mudflap.c (mf_decl_cache_locals): Same.
3060	(mf_build_check_statement_for): Same.
3061	(mf_xform_derefs): Same.
3062	* ipa-prop.c (ipa_method_modify_stmt): Same.
3063	* print-tree.c (print_node): Handle gimple tuples.
3064	Add case for tcc_gimple_stmt.
3065	* tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
3066	GIMPLE_MODIFY_STMT.
3067	(copy_prop_visit_assignment): Same.
3068	(copy_prop_visit_stmt): Same.
3069	(init_copy_prop): Same.
3070	* tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
3071	(forward_propagate_into_cond_1): Same.
3072	(find_equivalent_equality_comparison): Same.
3073	(tidy_after_forward_propagate_addr): Same.
3074	(forward_propagate_addr_expr_1): Same.
3075	(simplify_not_neg_expr): Same.
3076	(simplify_switch_expr): Same.
3077	* tree-ssa-dce.c (find_pdom): Same.
3078	(mark_stmt_if_obviously_necessary): Same.
3079	(NECESSARY): Adjust for new `common' layout.
3080	* tree-flow.h: Same.
3081	* tree-vect-patterns.c (widened_name_p): Adjust for
3082	GIMPLE_MODIFY_STMT.
3083	(vect_recog_dot_prod_pattern): Same.
3084	(vect_recog_widen_sum_pattern): Same.
3085	(vect_pattern_recog_1): Same.
3086	* tree-nested.c (init_tmp_var): Same.
3087	(save_tmp_var): Same.
3088	(walk_stmts): Same.
3089	(convert_call_expr): Same.
3090	(finalize_nesting_tree_1): Same.
3091	* tree-ssa.c (verify_ssa): Same.
3092	(delete_tree_ssa): Same.
3093	* lambda-code.c (lbv_to_gcc_expression): Same.
3094	(lle_to_gcc_expression): Same.
3095	(lambda_loopnest_to_gcc_loopnest): Same.
3096	(can_put_in_inner_loop): Same.
3097	(can_convert_to_perfect_nest): Same.
3098	(perfect_nestify): Same.
3099	* tree-ssa-loop-prefetch.c (gather_memory_references): Same.
3100	* tree-inline.c (copy_body_r): Same.
3101	(setup_one_parameter): Same.
3102	(initialize_inlined_parameters): Same.
3103	(estimate_num_insns_1): Same.
3104	(expand_call_inline): Same.
3105	(gimple_expand_calls_inline): Same.
3106	(copy_tree_r): Same.
3107	* tree-optimize.c (execute_free_cfg_annotations): Same.
3108	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
3109	(vect_align_data_ref): Same.
3110	(vect_create_data_ref_ptr): Same.
3111	(vect_init_vector): Same.
3112	(vect_create_epilog_for_reduction): Same.
3113	(vectorizable_reduction): Same.
3114	(vectorizable_assignment): Same.
3115	(vectorizable_operation): Same.
3116	(vectorizable_store): Same.
3117	(vectorizable_load): Same.
3118	(vectorizable_live_operation): Same.
3119	(vectorizable_condition): Same.
3120	(vect_generate_tmps_on_preheader): Same.
3121	(vect_create_cond_for_align_checks): Same.
3122	* tree-object-size.c (collect_object_sizes_for): Same.
3123	(check_for_plus_in_loops_1): Same.
3124	(check_for_plus_in_loops): Same.
3125	* tree-outof-ssa.c (insert_copy_on_edge): Same.
3126	(replace_use_variable): Same.
3127	(check_replaceable): Same.
3128	(rewrite_trees): Same.
3129	(identical_copies_p): Same.
3130	(insert_backedge_copies): Same.
3131	* tree-profile.c (tree_gen_edge_profiler): Same.
3132	* tree-vect-generic.c (expand_vector_operations_1): Same.
3133	* tree-ssa-structalias.c (update_alias_info): Same.
3134	(find_func_aliases): Same.
3135	* tree-cfg.c (factor_computed_gotos): Same.
3136	(make_edges): Same.
3137	(make_goto_expr_edges): Same.
3138	(tree_merge_blocks): Same.
3139	(remove_useless_stmts_cond): Same.
3140	(remove_useless_stmts_1): Same.
3141	(tree_find_edge_insert_loc): Same.
3142	(verify_expr): Same.
3143	(gimplify_val): Same.
3144	(verify_gimple_tuples_1): New.
3145	(verify_gimple_tuples): New.
3146	(verify_stmts): Call verify_gimple_tuples.
3147	* tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
3148	(get_unary_op): Same.
3149	(linearize_expr): Same.
3150	(get_single_immediate_use): Same.
3151	(negate_value): Same.
3152	(should_break_up_subtract): Same.
3153	(break_up_subtract): Same.
3154	(repropagate_negates): Same.
3155	(break_up_subtract_bb): Same.
3156	(reassociate_bb): Same.
3157	* config/i386/i386.c (ix86_va_start): Same.
3158	(ix86_gimplify_va_arg): Same.
3159	* stmt.c (expand_expr_stmt): Same.
3160	(warn_if_unused_value): Same.
3161	(expand_return): Same.
3162	* tree-ssanames.c (make_ssa_name): Same.
3163	* tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
3164	* tree-ssa-operands.c (finalize_ssa_defs): Same.
3165	(add_virtual_operand): Same.
3166	(get_expr_operands): Same.
3167	(parse_ssa_operands): Same.
3168	(get_modify_stmt_operands): Rename from get_modify_expr_operands.
3169
31702006-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3171
3172	* config.host: Remove extra blank line.
3173
31742006-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3175
3176	* config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
3177	target is also an x86 variant.
3178
31792006-12-05  Richard Guenther  <rguenther@suse.de>
3180
3181	* config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
3182	(TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
3183	(ix86_builtin_vectorized_function): New function to vectorize
3184	sqrt.
3185
31862006-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3187
3188	* config/bfin/bfin.c (output_file_start): Fix comment which referred to
3189	ia64_override_options.
3190
31912006-12-04  Jan Hubicka  <jh@suse.cz>
3192
3193	* cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
3194	really_expand.
3195
31962006-12-04  Bernd Schmidt  <bernd.schmidt@analog.com>
3197
3198	* rtlanal.c (note_uses): Deal with SEQUENCEs.
3199	* config/bfin/bfin.c: Include "timevar.h".
3200	(bfin_flag_schedule_insns2, splitting_for_sched,
3201	bfin_flag_var_tracking): New variables.
3202	(print_operand): Handle '%!'.
3203	(override_options): Disable normal sched2 pass, instead set
3204	bfin_flag_schedule_insns2 for reorg to handle it.
3205	(output_file_start): Likewise for var-tracking.
3206	(bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
3207	(gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
3208	New functions.
3209	(bfin_reorg): Do second scheduling pass here, and call
3210	bfin_gen_bundles.  Use type_for_anomaly and trapping_loads_p instead
3211	of examining insns directly.  If bfin_flag_var_tracking, call
3212	var-tracking pass when done with everything else.
3213	* config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
3214	* config/bfin/bfin.md (UNSPEC_32BIT): New constant.
3215	(movsi_insn32): New pattern, with two new splits to create it
3216	before the final scheduling pass.
3217	(neghi2): Not a dsp32 insn, rather alu0.
3218	(movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
3219	movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
3220	extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
3221	mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
3222	ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
3223	movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
3224	movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
3225	ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
3226	addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
3227	subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
3228	addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
3229	flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
3230	flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
3231	flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
3232	flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
3233	flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
3234	mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
3235	lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
3236	variants instead of ';'.
3237	(ror_one, rol_one): Likewise.  Make them dsp32 insns.
3238	(ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
3239	(align8, align16, align24): Now named patterns; also using '%!'.
3240	(mnop): New insn.
3241
32422006-12-05  Kazu Hirata  <kazu@codesourcery.com>
3243
3244	* config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
3245	tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
3246
32472006-12-04  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3248
3249	* config/spu/spu-protos.c (spu_split_address): Add.
3250	* config/spu/spu.c (spu_split_address): Add.
3251	(print_operand): Handle HIGH.
3252	(spu_legitimate_address):  Don't test for aligned CONST.
3253	(spu_expand_mov):  Don't split addresses here.
3254	* config/spu/constraints.md (A): Don't test legitimate_const.
3255	* config/spu/spu.md: Add split of movsi patterns for PIC mode.
3256	(ceq_di): Use correct predicates.
3257
32582006-12-04  Eric Christopher  <echristo@apple.com>
3259
3260	* config/darwin.h: Update copyright notice.
3261	* config/i386/darwin.h: Ditto.
3262
32632006-12-04  Jan Hubicka  <jh@suse.cz>
3264
3265	* builtins.c (fold_builtin_memory_op): Check that expr_size match.
3266	* explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
3267
32682006-12-04  Daniel Berlin  <dberlin@dberlin.org>
3269
3270	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
3271	set_used_smts.
3272	* tree-ssa-structalias.c (set_used_smts): Export.
3273	(find_what_p_points_to): Don't call set_used_smts here.
3274	* tree-ssa-structalias.h (set_used_smts): Add prototype.
3275
32762006-12-04  Daniel Berlin  <dberlin@dberlin.org>
3277
3278	* tree-ssa-alias.c (compute_may_aliases):
3279	Compute flow sensitive before flow insensitive.
3280	(compute_flow_sensitive_aliasing): Don't try to add
3281	a symbol memory tag to itself.
3282
3283	* alias.h (alias_set_subset_of): New prototype.
3284
3285	* alias.c (alias_set_subset_of): New function.
3286
3287	* tree-ssa-structalias.c: Update comments.
3288	(struct variable_info): Add finished_solution.
3289	(new_varinfo): Set finished solution to NULL.
3290	(var_escaped_vars): Remove.
3291	(escaped_vars_tree): Remove.
3292	(escaped_vars_id): Remove.
3293	(nonlocal_vars_id): Remove.
3294	(constraint_expr_type): Add INCLUDES.
3295	(graph_size): Removed.
3296	(dump_constraint): Support INCLUDES.
3297	(build_constraint_graph): Ditto.
3298	(collapse_nodes): Add merge_solutions argument.
3299	Don't merge attributes.
3300	(process_unification_queue): Just use collapse_nodes.
3301	(perform_var_substitution): Update call to collapse_nodes.
3302	(get_constraint_exp_from_ssa_var): Use INCLUDES.
3303	(process_constraint): Fix non-field sensitive handling
3304	Handle includes.
3305	(get_constraint_for): Use INCLUDES.
3306	(make_constraint_from_anything): Renamed from
3307	make_constraint_from_escaped.
3308	(make_constraint_to_escaped): Removed.
3309	(find_global_initializers): Removed.
3310	(create_variable_info_for): Do not make constraints to escaped
3311	vars anymore.
3312	(dump_solution_for_var): Don't print out the equivalent points-to
3313	sets, just use the name of the variable it shares it with.
3314	(intra_create_variable_infos): Use INCLUDES.
3315	Change nonlocal variable sets to anything sets.
3316	(init_base_vars): Remove escaped_vars and nonlocal_var
3317	initialization.
3318	(find_escape_constraints): Removed.
3319	(delete_points_to_sets): Remove dead code.
3320	(used_smt_calculated): New variable.
3321	(set_used_smts): New function.
3322	(merge_smts_into): New function.
3323	(find_what_p_points_to): Modify to use SMTs.
3324	(create_nonlocal_var): Remove.
3325
3326	* tree-ssa-operands.c (access_can_touch_variable): Remove
3327	reference to nonlocal_all.
3328
3329	* tree-ssa.c (verify_name_tags): Remove.
3330
33312006-12-04  Carlos O'Donell  <carlos@codesourcery.com>
3332
3333	* config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3334	(__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3335
33362006-12-04  Andrew MacLeod  <amacleod@redhat.com>
3337
3338	* tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3339	* tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3340	(add_livein_if_notdef): Delete.
3341	(loe_visit_block): New.  Propogate live on entry info for a block into
3342	each predecessor.  If it changes, make sure it is visited again.
3343	(live_worklist): Visit every block and update the live on entry info
3344	for preds.  Iterate over any that changed.
3345	(set_var_live_on_entry): Populate the live on entry blocks with bits
3346	based on the immediate uses of a var.
3347	(calculate_live_on_entry): Remove.
3348	(calculate_live_on_exit): Calculate live on exit based on the newly
3349	oriented live on entry bits.
3350	(calculate_live_ranges): Build live on entry and exit vectors.
3351	(dump_live_info): Use new orientation of live on entry bitmaps.
3352	(verify_live_on_entry): New.  Split out verification code from old
3353	calculate_live_on_entry routine.
3354	* tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3355	(live_entry_blocks): Rename to live_on_entry and return bitmap for a
3356	basic_block instead of for a partition.
3357	(live_merge_and_clear): Add asserts.
3358	(make_live_on_entry): Set partition bit in basic block vector.
3359
33602006-12-04  Jakub Jelinek  <jakub@redhat.com>
3361
3362	PR libgomp/29947
3363	* omp-low.c (expand_omp_for_static_nochunk,
3364	expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3365	unsigned type.
3366
3367	PR middle-end/29965
3368	* omp-low.c (determine_parallel_type): Don't try to optimize combined
3369	parallels if region->exit or region->inner->exit is NULL.
3370	(expand_omp_parallel): Handle NULL region->exit even if cfg is already
3371	built.
3372	(expand_omp_for_generic): Handle NULL region->cond and region->exit.
3373	(expand_omp_for): Use expand_omp_for_generic if either region->cond
3374	or region->exit is NULL.
3375	(expand_omp_sections): Handle NULL region->cond or region->exit.
3376	(expand_omp_synch):
3377
33782006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3379
3380	* config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3381	* config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3382
33832006-12-04  Eric Botcazou  <ebotcazou@adacore.com>
3384
3385	* tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3386	TYPE_MAX_VALUE for scalar types here but...
3387	(walk_tree): ...there instead.  Return NULL_TREE if the TYPE_DECL
3388	is attached an error mark, and the return value of the callback
3389	if it is not NULL_TREE.
3390
33912006-12-04  Ben Elliston  <bje@au.ibm.com>
3392
3393	* config/spu/spu.md (_mulv4si3): Remove unused local variables.
3394
33952006-12-03  Eric Christopher  <echristo@apple.com>
3396
3397	PR target/24598
3398	* config/t-slibgcc-darwin: Pass -install_name.
3399	* config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3400	libtool. Only pass through options that the linker recognizes.
3401	(LINK_SPEC): Update comment. Translate options.
3402	(STARTFILE_SPEC): Add dylib1.o for shared libraries.
3403	* config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3404
34052006-12-03  Dorit Nuzman  <dorit@il.ibm.com>
3406
3407	* config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3408
34092006-12-03  Uros Bizjak  <ubizjak@gmail.com>
3410
3411	PR target/30041
3412	* config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3413	operands[1] in insn constraint.  Correct type attribute to sselog1.
3414
34152006-12-02  H.J. Lu  <hongjiu.lu@intel.com>
3416
3417	PR target/30040
3418	* config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3419	(bit_SSSE3): New.
3420	(host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3421	processor detection.
3422
3423	* config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3424	-march=native if there is no -mtune=*.
3425
3426	* config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3427	coretypes.h.
3428
34292006-12-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3430
3431	* doc/install.texi: Update recommended MPFR version.  Remove
3432	obsolete reference to cumulative patch.
3433
34342006-12-02  Lee Millward  <lee.millward@codesourcery.com>
3435
3436	PR c/27953
3437	* c-decl.c (store_parm_decls_oldstyle): Robustify.
3438
34392006-11-30  Jan Hubicka  <jh@suse.cz>
3440	    Uros Bizjak  <ubizjak@gmail.com>
3441
3442	* config/i386/i386.c (pentium4_cost, nocona_cost): Update
3443	32bit memcpy/memset decriptors.
3444	(decide_alg): With -minline-all-stringops and sizes that are best
3445	to be copied via libcall still work hard enough to pick non-libcall
3446	strategy.
3447
34482006-12-02  Kazu Hirata  <kazu@codesourcery.com>
3449
3450	* doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3451
3452	* builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3453	config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3454	config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3455	config/sh/sh4-300.md, config/spu/spu-builtins.def,
3456	config/spu/spu-c.c, config/spu/spu-modes.def,
3457	config/spu/spu.c, config/spu/spu.md,
3458	config/spu/spu_internals.h, config/spu/vmx2spu.h,
3459	fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3460	tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3461	tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3462	tree-vectorizer.c, tree-vrp.c: Fix comment typos.  Follow
3463	spelling conventions.
3464
3465	* config/i386/i386.c: Fix a comment typo.
3466
34672006-12-01  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3468
3469	* config/spu/spu.c (spu_immediate): Remove trailing comma.
3470	(reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3471	* config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3472	better optimization.
3473	(floatv4siv4sf2): New.
3474	(fix_truncv4sfv4si2): New.
3475	(floatunsv4siv4sf2): New.
3476	(fixuns_truncv4sfv4si2): New.
3477	(addv16qi3): New.
3478	(subv16qi3): New.
3479	(negv16qi2): New.
3480	(mulv8hi3): New.
3481	(mulsi3): Remove.
3482	(mul<mode>3): New.
3483	(_mulv4si3): New.
3484	(cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3485	* config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3486	spu_resolve_overloaded_builtin instead of static inline functions.
3487
34882006-12-01  Eric Botcazou  <ebotcazou@adacore.com>
3489
3490	* fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3491	type instead of the size of its mode to compute the highest and
3492	lowest possible values.  Still check the size of the mode before
3493	flipping the signedness of the comparison.
3494
34952006-12-01  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3496
3497	* config/spu/predicates.md (spu_mov_operand): Add.
3498	* config/spu/spu.c (spu_expand_extv): Remove unused code.
3499	(print_operand_address, print_operand): Handle addresses containing AND.
3500	(spu_split_load, spu_split_store): Use updated movti pattern.
3501	* config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3502	stores in mov patterns for correct operation of reload.
3503	(lq, lq_<mode>, stq, stq_<mode>): Remove.
3504
35052006-12-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3506
3507	PR c++/30021
3508	* c-common.c (check_main_parameter_types): Check for error_mark_node.
3509
35102006-12-01  Andrew MacLeod  <amacleod@redhat.com>
3511
3512	* common.opt (ftree-combine-temps): Remove.
3513	* tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3514	(coalesce_ssa_name): Don't check for combine-temps.
3515	(coalesce_vars): Remove.
3516	(check_replaceable): Use num_imm_uses.
3517	(remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3518	check for combine-temps.
3519	(rewrite_out_of_ssa): Never create a ref_count in the var_map.
3520	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3521	to register_ssa_partition calls.
3522	* tree-ssa-live.c (register_ssa_partition): Remove prototype.
3523	(init_var_map, delete_var_map): remove refernces to ref_count.
3524	(create_ssa_var_map): Never calculate a ref count.
3525	(type_var_init): Remove.
3526	* tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3527	(SSA_VAR_MAP_REF_COUNT): Delete.
3528	(create_ssa_var_map): Change Prototype to have no parameters.
3529	(version_ref_count): Delete.
3530	(register_ssa_partition): Remove 'is_use' paramater and don't set the
3531	ref_count vector.
3532	(type_var_num, type_var, type_var_first_partition,
3533	type_var_next_partition, type_var_dump, type_var_delete,
3534	type_var_remove_partition, type_var_find, type_var_compact,
3535	type_var_decompact): Remove.
3536
35372006-12-01  Bernd Schmidt  <bernd.schmidt@analog.com>
3538
3539	* config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3540	attribute.
3541
35422006-12-01  Richard Guenther  <rguenther@suse.de>
3543
3544	PR c++/29433
3545	* dwarf2out.c (struct pubname_struct): Make name const.
3546	(add_pubtype): Do not xstrdup identifiers.
3547
35482006-12-01  Bernd Schmidt  <bernd.schmidt@analog.com>
3549
3550	* config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3551	multiword accesses are in range.
3552
35532006-12-01  Zdenek Dvorak <dvorakz@suse.cz>
3554
3555	PR tree-optimization/29921
3556	* tree-ssa-ccp.c (canonicalize_float_value): New function.
3557	(set_lattice_value): Use canonicalize_float_value.
3558
35592006-11-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3560
3561	* config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3562	(TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3563	(spu_cpu_cpp_builtins): Remove.
3564	(spu_override_options): Don't set warn_main.
3565	(spu_force_reg): Move from spu-c.c.
3566	(spu_check_builtin_parm): Likewise.
3567	(expand_builtin_args): Likewise.
3568	(spu_expand_builtin_1): Likewise.
3569	(spu_expand_builtin): Likewise.
3570	* config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3571	warn_main and targetm.resolve_overloaded_builtin.
3572	* config/spu/spu-c.c (spu_builtin_range): Remove.
3573	(spu_check_builtin_parm): Remove.
3574	(expand_builtin_args): Remove.
3575	(spu_expand_builtin_1): Remove.
3576	(spu_expand_builtin): Remove.
3577	(spu_cpu_cpp_builtins): Moved from spu.c
3578	(spu_force_reg): Remove.
3579
35802006-12-01  Joseph Myers  <joseph@codesourcery.com>
3581	    David Edelsohn  <edelsohn@gnu.org>
3582
3583	PR target/24036
3584	* doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3585	HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3586	* defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3587	HARD_REGNO_NREGS_WITH_PADDING): Define.
3588	* config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3589	HARD_REGNO_NREGS_WITH_PADDING): Define.
3590	* rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3591	Use new macros to detect modes with holes; do not look at integer
3592	units.
3593	(subreg_offset_representable_p): Check for and disallow cases
3594	where the modes use different numbers of bits from registers.
3595	* config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3596	constant for soft-float.
3597	(rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3598	containing doubles.
3599	(rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3600	in E500 double case.
3601	* config/rs6000/rs6000.md (movtf): Allow soft-float.
3602	(movtf_softfloat): New.
3603
36042006-11-30  Richard Sandiford  <richard@codesourcery.com>
3605
3606	* simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3607	simplify_gen_subreg.
3608
36092006-11-30  Andrew Macleod  <amacleod@redhat.com>
3610
3611	* tree-ssa-live.c (create_coalesce_list): Create a hash table.
3612	(COALESCE_HASH_FN): New.  Define hash function.
3613	(partition_pair_map_hash): New.  Hash value for a partition pair.
3614	(partition_pair_map_eq): New.  Equality for hash pairs.
3615	(create_coalesce_list): Create hash table.
3616	(delete_coalesce_list): Free hash table.
3617	(find_partition_pair): Find/create pairs in hash table.
3618	(compare_pairs):  Sort pairs in ascending order now.
3619	(num_coalesce_pairs): New.  Number of pairs in hash table.
3620	(struct partition_pair_iterator): Iterator struct for pair table.
3621	(first_partition_pair): Iterator function for first pair.
3622	(end_partition_pair_p): Iterator function for end of iteration.
3623	(next_partition_pair): Iterator function for next pair.
3624	(FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3625	(sort_coalesce_list): Sort pairs from hash table into an array.
3626	(pop_best_coalesce): Take pairs from the array.
3627	(dump_coalesce_list): Update to use hash table or sorted array.
3628	* tree-ssa-live.h (struct partition_pair_d): Remove next field.
3629	(struct coalesce_list_d): Add hash table related fields.
3630
36312006-11-30  Jan Hubicka  <jh@suse.cz>
3632
3633	PR middle-end/30028
3634	* builtins.c (fold_builtin_memory_op): Fix typo in the check for
3635	memmove/bcopy->memcpy conversion.
3636
36372006-11-30  Carlos O'Donell  <carlos@codesourcery.com>
3638
3639	* doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3640	* config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3641	Default is the largest alignment supported for 32-bit ELF and
3642	representable on a 32-bit host.
3643
36442006-11-30  Janis Johnson  <janis187@us.ibm.com>
3645
3646	* config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3647
36482006-11-30  Jan Hubicka  <jh@suse.cz>
3649
3650	* tree-ssa-operands.h (struct ssa_operands): New.
3651	* tree-flow-inline.h (gimple_ssa_operands): New function.
3652	* tree-flow.h: (struct gimple_df): Add ssa_operands.
3653	* Makefile.in: Remove gt-tree-ssa-operands.h
3654	* tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3655	(free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3656	operand_memory, operand_memory_index, ops_active): Remove statics.
3657	(ALLOC_OPTYPE): Update.
3658	(operand_build_sort_virtual): Update.
3659	(ssa_operands_active): Update.
3660	(init_ssa_operands): Update.
3661	(fini_ssa_operands): Update.
3662	(ssa_operand_alloc): Update.
3663	(INITIALIZE_USE): Update.
3664	(finalize_ssa_use_ops): Update.
3665	(finalize_ssa_v_may_def_ops): Update.
3666	(finalize_ssa_vuse_ops): Update.
3667	(finalize_ssa_v_must_def_ops): Update.
3668
36692006-11-30  Richard Guenther  <rguenther@suse.de>
3670
3671	* tree-vectorizer.h (vectorizable_function): Export.
3672	* tree-vect-transform.c (vectorizable_function): Likewise.
3673	* tree-vect-patterns.c (vect_recog_pow_pattern): Set
3674	type_in to scalar type in recognition of squaring.
3675	Make sure the target can vectorize sqrt in recognition
3676	of sqrt, set type_in to vector type in this case.
3677
36782006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3679
3680	* config/i386/i386.md (R10_REG): New constant.
3681	* config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3682	(ix86_emit_restore_regs_using_mov): Ditto.
3683	(ix86_expand_call): Ditto.
3684	(x86_output_mi_thunk): Ditto. Also use R10_REG.
3685
36862006-11-30  Steven Bosscher  <steven@gcc.gnu.org>
3687
3688	* cselib.c (cselib_init): Use special MEM rtx form for callmem.
3689	* alias.c (canon_true_dependence): Update comment.
3690
36912006-11-30  Steven Bosscher  <steven@gcc.gnu.org>
3692
3693	* cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3694	at the end of a diagnostics message.
3695
3696	* alloc-pool.c (pool_free): Postpone clearing the pool entry
3697	until after asserting that it was allocated in the right pool.
3698
3699	* cfgrtl.c (print_rtl_with_bb): Print predecessor and
3700	successor edge information as well.  Make output of live regs
3701	on exit consistent with live regs on entry.
3702
37032006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3704
3705	PR target/29852
3706	* config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3707	insn patterns for TARGET_80387.
3708	(*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3709	(*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3710	(*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3711	(fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3712	Generate truncxf<mode>2 insn patterns for strict SSE math.
3713
37142006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3715
3716	* config/i386/i386.md (movsf_1): Enable pattern for standard
3717	80387 constants before reload when optimizing for size.
3718	(*movdf_nointeger, *movdf_integer): Ditto.
3719	(*movxf_nointeger, *movxf_integer): Disable patterns for standard
3720	80387 constants before reload when not optimizing for size.
3721
3722	(*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3723	extension of XFmode input operands.
3724
37252006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3726
3727	* config/spu/crt0.c (__dso_handle): Define.
3728
37292006-11-30  Kaz Kojima  <kkojima@gcc.gnu.org>
3730
3731	* emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3732	when clearing the used flags.
3733
37342006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3735
3736	* config/spu/spu.md (extend_compare): Fix whitespace formatting.
3737
37382006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3739
3740	PR target/29945
3741	* config/spu/spu.md  (extend_compare<mode>): New pattern.
3742	(extend_compare): Change to expand and use the above pattern.
3743
37442006-11-29  Janis Johnson  <janis187@us.ibm.com>
3745
3746	* config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3747
3748	* config/dfp-bit.h (CONTEXT_ROUND): Delete.
3749	(DFP_INIT_ROUNDMODE): Define.
3750	* config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3751	* mklibgcc.in: Fix dependencies for dfp-bit.c.
3752
37532006-11-29  Tehila Meyzels  <tehila@il.ibm.com>
3754
3755	* haifa-sched.c: Remove define LINE_NOTE(INSN).  Remove line_note_head.
3756	Update documentation.
3757	(associate_line_notes_with_blocks): Kill.
3758	(extend_bb): Remove basic block argument, put void instead.
3759	Remove line number handling for each bb.
3760	(save_line_notes): Kill.
3761	(restore_line_notes): Kill.
3762	(sched_init): Remove line_note_head initialization.
3763	Change extend_bb call.
3764	(sched_finish): Remove free of line_note_head.
3765	(add_block): Change extend_bb call.
3766	* sched-ebb.c (schedule_ebb): Remove save_line_notes,
3767	rm_line_notes and restore_line_notes calls.
3768	(schedule_ebbs): Remove rm_redundant_line_notes.
3769	* sched-int.h (struct haifa_insn_data): Remove line_note.
3770	(save_line_notes): Remove declaration.
3771	(restore_line_notes): Remove declaration.
3772	* modulo-sched.c (loop_canon_p): Update debug info printing
3773	by using insn locators instead of line note.
3774	(sms_schedule): Update debug info printing, by using insn
3775	locators instead of line note.
3776	* sched-rgn.c (debug_dependencies): Remove handling of case
3777	n>0 (line number), since it's a dead code.
3778	(schedule_region): Remove save_line_notes and
3779	restore_line_notes calls.
3780
37812006-11-29  Joseph Myers  <joseph@codesourcery.com>
3782
3783	* config/rs6000/predicates.md (gpc_reg_operand): Check
3784	invalid_e500_subreg.
3785	* config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3786	SImode subregs of SPE vectors.
3787	* config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3788	* jump.c (true_regnum): Require subregs to satisfy
3789	subreg_offset_representable_p.
3790
37912006-11-29  Daniel Berlin  <dberlin@dberlin.org>
3792	    Steven Bosscher <stevenb.gcc@gmail.com>
3793
3794	* Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3795	since it no longer exists.
3796
37972006-11-29  Duncan Sands  <baldrick@free.fr>
3798
3799	PR tree-optimization/23744
3800	* tree-vrp.c (vrp_meet): do not require ranges to intersect.
3801
38022006-11-29  Duncan Sands  <baldrick@free.fr>
3803
3804	PR tree-optimization/23744
3805	* testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3806
38072006-11-29  Duncan Sands  <baldrick@free.fr>
3808
3809	PR tree-optimization/23744
3810	* testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3811
38122006-11-29  Jie Zhang  <jie.zhang@analog.com>
3813
3814	* doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3815
38162006-11-29  J"orn Rennecke  <joern.rennecke@st.com>
3817
3818	* sh.opt (minline-ic_invalidate): New option.
3819	(musermode): Adjust comment.
3820	* sh.c (sh_initialize_trampoline): Emit library call unless
3821	is set; if it is set, don't emit library call if we can use icbi
3822	instead.
3823	* sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3824	icbi for TARGET_SH4_300.
3825	* t-sh (LIB1ASMFUNCS_CACHE): Set.
3826	* doc/invoke.texi: Document -minline-ic_invalidate; Update
3827	-musermode documentation.
3828
38292006-11-29  Jim Tison  <jtison@us.ibm.com>
3830
3831	* gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3832	__gthread_recursive_mutex_init): Define.
3833
38342006-11-29  Joseph Myers  <joseph@codesourcery.com>
3835
3836	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3837	STRICT_ALIGNMENT and the type is more aligned than the saved
3838	registers, copy via a temporary.
3839
38402006-11-28  Andrew Pinski  <pinskia@gmail.com>
3841
3842	PR tree-opt/29984
3843	* tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3844	and MIN_EXRP.
3845
38462006-11-28  Bob Wilson  <bob.wilson@acm.org>
3847
3848	* config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3849
38502006-11-28  Jan Hubicka  <jh@suse.cz>
3851
3852	Privatize SSA variables into gimple_df.
3853	* tree-flow-inline.h
3854	(gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3855	gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3856	gimple_nonlocal_all): New accessors.
3857	(first_referenced_var): Update.
3858	(mark_stmt_modified): Update.
3859	(is_call_clobbered): Update.
3860	(mark_call_clobbered): Update.
3861	(clear_call_clobbered): Update.
3862	(mark_non_addressable): Update.
3863	* tree-vrp.c (get_value_range): Update.
3864	* tree-into-ssa.c (in_ssa_p): Kill.
3865	(get_default_def_for): Update.
3866	(rewrite_into_ssa): Update.
3867	* tree-complex.c (init_parameter_lattice_values): Update.
3868	(update_complex_assignment): Update.
3869	(update_parameter_components): Update.
3870	(expand_complex_libcall): Update.
3871	(expand_complex_operations_1): Update.
3872	* tree-tailcall.c (arg_needs_copy_p): Update.
3873	(add_virtual_phis): Update.
3874	(tree_optimize_tail_calls_1): Update.
3875	* tree-ssa-dse.c (memory_ssa_name_same): Update.
3876	* tree-ssa-copyrename.c
3877	(copy_rename_partition_coalesce): Update.
3878	* tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3879	* tree-ssa-propagate.c (set_rhs): Update.
3880	* tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3881	addressable_vars, global_var):Kill.
3882	(set_initial_properties): Update.
3883	(init_alias_info): Update.
3884	(finalize_ref_all_pointers): Update.
3885	(setup_pointers_and_addressables): Update.
3886	(maybe_create_global_var): Update.
3887	(create_global_var): Update.
3888	(dump_points_to_info): Update.
3889	* function.h (struct gimple_df): Forward declare.
3890	(struct function): Add GIMPLE_DF field.
3891	* gimplify.c (force_gimple_operand): Update.
3892	* tree-dfa.c (referenced_vars, default_defs): KIll.
3893	(make_rename_temp): Update.
3894	(dump_variable): Update.
3895	(referenced_var_lookup): Update.
3896	(referenced_var_check_and_insert): Update.
3897	(default_def): Rename to ...
3898	(gimple_default_def): ... this one; accept cfun argument.
3899	(set_default_def): Update.
3900	* tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3901	(cleanup_control_flow): Update.
3902	* tree-ssa-pre.c (compute_avail): Update
3903	* tree-ssa-live.c (calculate_live_on_entry): Update.
3904	* tree-ssa.c (verify_use): Update.
3905	(verify_call_clobbering): Update.
3906	(verify_call_clobbering): Update.
3907	(init_tree_ssa): Update.
3908	(delete_tree_ssa): Update.
3909	* tree-outof-ssa.c (coalesce_ssa_name): Update.
3910	(rewrite_out_of_ssa): Update.
3911	* tree-flow.h (gimple_df): New structure collecting dataflow variables.
3912	(FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3913	private accessors.
3914	(in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3915	ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3916	addressable_vars, aliases_computed_p): Kill.
3917	(default_def): Rename to...
3918	(gimple_default_def): ... this one.
3919	(defaule_def_fn): Kill.
3920	(num_referenced_vars, ssa_names, num_ssa_names): Update.
3921	* tree-ssa-structalias.c (nonlocal_all): Kill.
3922	(get_constraint_exp_from_ssa_var): Update.
3923	(create_nonlocal_var): Update.
3924	(get_constraint_for): Update.
3925	(update_alias_info): Update.
3926	(find_global_initializers): Update.
3927	(intra_create_variable_infos): Update.
3928	(intra_create_variable_infos):
3929	(find_what_p_points_to): Update.
3930	(init_alias_heapvars): Update.
3931	* tree-cfg.c (remove_bb): Update.
3932	(gimplify_val): Update.
3933	* tree-ssa-reassoc.c (get_rank): Update.
3934	(init_reassoc): Update.
3935	* tree-ssanames.c: Do not include gt-tree-ssanames.h
3936	(ssa_names, free_ssanames): Kill.
3937	(init_ssanames): Update.
3938	(make_ssa_name): Update.
3939	(release_ssa_name): Update.
3940	(release_defs): Update.
3941	(replace_ssa_name_symbol): Update.
3942	* tree-ssa-operands.c (access_can_touch_variable): Update.
3943	(add_virtual_operand): Update.
3944	(add_call_clobber_ops): Update.
3945	(add_call_read_ops): Update.
3946	(get_call_expr_operands): Update.
3947	(get_asm_expr_operands): Update.
3948
39492006-11-28  Jan Hubicka  <jh@suse.cz>
3950
3951	* builtins.c: Include tree-flow.h.
3952	(fold_builtin_memory_op): Be more aggressive on converting memcpy to
3953	assignment; convert memmove to memcpy for sizes greater than 1 where
3954	alignment of operands prohibit the partial overlap.
3955
39562006-11-28  Jan Hubicka  <jh@suse.cz>
3957
3958	* invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3959	* cgraph.c (dump_cgraph_node): Dump stack usage.
3960	* cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3961	(cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3962	* cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3963	* ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3964	(cgraph_check_inline_limits): Limit stack growth.
3965	* cfgexpand.c: Include tree-inline.h.
3966	(account_stack_vars): New function.
3967	(expand_one_var): New param to just account the stack; return estimated
3968	size.
3969	(expand_used_vars_for_block): Update call of expand_one_var.
3970	(account_used_vars_for_block): New function.
3971	(estimated_stack_frame_size): Likewise.
3972	(init_vars_expansion, fini_vars_expansion): Break out from..
3973	(expand_used_vars): ... here.
3974	* tree-inline.h (estimated_stack_frame_size): Declare.
3975	* params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3976
39772006-11-28  Richard Guenther  <rguenther@suse.de>
3978
3979	* ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3980	unsigned long for printing OBJECT_SIZE.
3981
39822006-11-27  Steven Bosscher  <steven@gcc.gnu.org>
3983
3984	* alias.c (init_alias_analysis): Remove simplification loop
3985	after propagating pointers.
3986
39872006-11-27  Uros Bizjak  <ubizjak@gmail.com>
3988
3989	* config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3990	and m_GENERIC64.
3991
39922006-11-27  Bob Wilson  <bob.wilson@acm.org>
3993
3994	* config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3995
39962006-11-27  Roger Sayle  <roger@eyesopen.com>
3997	    Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3998
3999	* c-common.c (constant_fits_type_p): Delete.
4000	(unsigned_conversion_warning): Delete.
4001	(conversion_warning): Integrate Wconversion warning from
4002	unsigned_conversion_warning.
4003	(convert_and_check): Integrate Woverflow warning from
4004	unsigned_conversion_warning.  Reorganize and simplify to avoid
4005	dependence upon the middle-end setting TREE_OVERFLOW on integral
4006	conversions, by using int_fits_type_p directly.
4007
40082006-11-27  Tobias Burnus  <burnus@net-b.de>
4009
4010	* doc/invoke.texi: Fixed typo.
4011
40122006-11-27  Michael Matz  <matz@suse.de>
4013	    Andreas Krebbel  <krebbel1@de.ibm.com>
4014
4015	PR target/29319
4016	* config/s390/predicates.md (larl_operand): Check addend of larl
4017	operand to be in range of -/+2GB.
4018	* config/s390/s390.c (legitimize_pic_address): Likewise.
4019	Changed type of variable even to HOST_WIDE_INT.
4020
40212006-11-27  Jan Hubicka  <jh@suse.cz>
4022
4023	* expr.c (emit_block_move_via_libcall): Export.
4024	(clear_storage_via_libcall): Rename to ...
4025	(set_storage_via_libcall): ... this one; handle arbitrary value to set.
4026	(clear_storage): Update to set_storage_via_libcall.
4027	* expr.h (emit_block_move_via_libcall): Declare
4028	* config/i386/i386.h (stringop_alg): New enum.
4029	(MAX_STRINGOP_ALGS): New constant.
4030	(stringop_algs): New struct.
4031	(processor_costs): Add memcpy/memset descriptors.
4032	(TARGET_REP_MOVEL_OPTIMAL): Remove.
4033	* config/i386/i386.md (movsi_insv_1_rex64): New pattern.
4034	(strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
4035	for memset.
4036	* config/i386/i386.opt (minline-stringops-dynamically,
4037	mstringop-strategy): New
4038	parameters.
4039	* config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
4040	(ix86_expand-clrmem): Rename to ...
4041	(ix86_expand_setmem): ... this one; update prototype.
4042	* config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
4043	(size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
4044	geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
4045	nocona_cost, core2_cost, generic_cost, generic64_cost,
4046	generic32_cost): Add memcpy/memset descriptors.
4047	(x86_rep_movl_optimal): Remove.
4048	(stringop_alg): New static variable.
4049	(ix86_expand_aligntest): Handle predictions.
4050	(override_options): Add strgop_alg handling.
4051	(predict_jump): New function.
4052	(scale_counter): New function.
4053	(expand_set_or_movmem_via_loop): New function.
4054	(expand_movmem_via_rep_mov): New function.
4055	(expand_setmem_via_rep_stots): New function.
4056	(emit_strmov): New function.
4057	(expand_movmem_epilogue): New function.
4058	(expand_setmem_epilogue_via_loop): New function.
4059	(expand_setmem_epilogue): New function.
4060	(expand_movmem_prologue): New function.
4061	(expand_setmem_prologue): New function.
4062	(decide_alg): New function.
4063	(decide_alignment): New function.
4064	(ix86_exand_movmem): Rewrite.
4065	(promote_duplicated_reg): New function.
4066	(ix86_expand_clrmem): Rename to ...
4067	(ix86_expand_setmem): ... this one. Rewrite.
4068
4069	* invoke.texi (minline-stringops-dynamically): New command line option.
4070	(mstringop-strategy): Likewise.
4071
40722006-11-27  Jan Hubicka  <jh@suse.cz>
4073
4074	* cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
4075	* rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
4076	* final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
4077	* insn-notes.def (FUNCTION_END): Remove.
4078	* jump.c (delete_related_insns): Don't worry about FUNCTION_END.
4079	(redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
4080	note.
4081	* ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
4082	* function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
4083	* cfglayout.c (duplicate_insn_chain): Don't worry about
4084	NOTE_FUNCTION_END.
4085
40862006-11-27  Richard Guenther  <rguenther@suse.de>
4087	    Zdenek Dvorak <dvorakz@suse.cz>
4088
4089	* target.h (struct gcc_target): Add builtin_vectorized_function
4090	target hook.
4091	* target-def.h (TARGET_VECTORIZE): Likewise.
4092	* doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4093	Document new target hook.
4094	* targhooks.h (default_builtin_vectorized_function): Declare.
4095	* targhooks.c (default_builtin_vectorized_function): Define.
4096	* tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
4097	(vectorizable_call): Declare.
4098	* tree-vect-analyze.c (vect_analyze_operations): Call
4099	vectorizable_call.
4100	* tree-vect-transform.c (vectorizable_function): New static function.
4101	(build_vectorized_function_call): Likewise.
4102	(vectorizable_call): New function.
4103	(vect_transform_stmt): Handle vectorizable calls.
4104
41052006-11-27  Richard Guenther  <rguenther@suse.de>
4106
4107	PR middle-end/25620
4108	* builtins.c (expand_builtin_pow): Optimize non integer valued
4109	constant exponents using sqrt or cbrt if possible.  Always fall back
4110	to expanding via optabs.
4111
41122006-11-27  Ira Rosen  <irar@il.ibm.com>
4113
4114	PR tree-optimization/22372
4115	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
4116	the type of the base address.
4117	(vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
4118	it in the data-ref pointer creation.
4119	(vect_init_vector): Add an argument, type of the init vector. Use it in
4120	the stmt creation.
4121	(vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
4122	(get_initial_def_for_reduction): Likewise.
4123	(vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
4124	void_type_node.
4125	(vectorizable_assignment, vect_permute_store_chain): Likewise.
4126	(vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
4127	correct type in stmt creation.
4128	(vect_setup_realignment): Use the correct type in stmt creation.
4129	(vect_permute_load_chain): Change type of MODIFY_EXPR to
4130	void_type_node.
4131	(vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
4132	of MODIFY_EXPR to void_type_node.
4133	(vectorizable_condition): Change type of MODIFY_EXPR to
4134	void_type_node.
4135	(vect_update_ivs_after_vectorizer): Use the correct type in stmt
4136	creation.
4137
41382006-11-27  Uros Bizjak  <ubizjak@gmail.com>
4139
4140	Revert:
4141	2006-05-08  Uros Bizjak  <uros@kss-loka.si>
4142	* config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4143	standard 80387 constants, raise the cost to prevent
4144	compress_float_constant() to generate load from memory.
4145
4146	* config/i386/i386.md: Add new splitter pattern to split
4147	float_extended load of constant from constant pool into
4148	pure constant load.
4149
41502006-11-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4151
4152	* doc/install.texi: Move GMP/MPFR configure options from Fortran
4153	section to general section.  Remove documentation for
4154	--with-mpfr-dir and --with-gmp-dir, add documentation for
4155	--with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
4156	--with-gmp-lib.
4157
4158	* builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
4159
41602006-11-26  Razya Ladklesky  <razya@il.ibm.com>
4161
4162	* testsuite/gcc.dg/ipa/ipa-6.c: New.
4163
41642006-11-26  Razya Ladklesky  <razya@il.ibm.com>
4165
4166	PR tree-optimization/29122
4167	* tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
4168	for the new version.  Assign NULL to DECL_RTL of the new version.
4169
41702006-11-25  Uros Bizjak  <ubizjak@gmail.com>
4171
4172	* reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
4173
41742006-11-25  Steven Bosscher  <steven@gcc.gnu.org>
4175
4176	* cse.c (cse_altered): Remove.
4177	(record_jump_equiv): Make true/false argument a bool instead
4178	of an int.
4179	(cse_insn): Don't set cse_altered.  Use delete_insn_and_edges
4180	where appropriate.  Emit a new jump before the existing one
4181	instead of after so that delete_insn_and_edges removes the
4182	dead edges properly.  Check any_condjump_p before calling
4183	record_jump_equiv.
4184	(cse_basic_block): Check any_condjump_p before calling
4185	record_jump_equiv.
4186	(cse_main): Don't set/check cse_altered.  Remove USE_C_ALLOCA.
4187
41882006-11-25  Brooks Moses  <brooks.moses@codesourcery.com>
4189
4190	* c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
4191	-ffixed-line-length-* options.
4192
41932006-11-25  Uros Bizjak  <ubizjak@gmail.com>
4194
4195	* config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
4196	(fprem1xf4): Rename to fprem1xf4_i387.
4197
4198	(fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
4199	Rename patterns to fmod<mode>3.  Use general_operand operand
4200	constraint for operands 1 and 2.  Use SSE_FLOAT_MODE_P to disable
4201	patterns for SSE math.
4202	(remaindersf3, remainderdf3): Ditto.
4203
42042006-11-25  Joseph Myers  <joseph@codesourcery.com>
4205
4206	* function.c (instantiate_virtual_regs_in_insn): Call force_reg
4207	inside start_sequence / end_sequence pair.
4208
42092006-11-25  Steven Bosscher  <steven@gcc.gnu.org>
4210
4211	* jump.c (mark_all_labels): Work in cfglayout mode.
4212	* cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
4213	when in cfglayout mode, because there are no dead jumptables
4214	visible.
4215	* cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
4216	in cfglayout mode.
4217	(commit_edge_insertions): Do not allow insertion of instructions
4218	with control flow insns when in cfglayout mode.
4219
42202006-11-25  Zdenek Dvorak <dvorakz@suse.cz>
4221
4222	* tree-vrp.c (execute_vrp): Do not pass loops structure through
4223	arguments.
4224	* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
4225	unswitch_loop): Ditto.
4226	* tree-loop-linear.c (linear_transform_loops): Ditto.
4227	* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
4228	tree_ssa_lim): Ditto.
4229	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
4230	free_numbers_of_iterations_estimates): Ditto.
4231	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
4232	tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
4233	* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
4234	remove_path, add_loop, loopify, unloop, fix_loop_placements,
4235	place_new_loop, duplicate_loop, duplicate_subloops,
4236	update_single_exit_for_duplicated_loops, copy_loops_to,
4237	duplicate_loop_to_header_edge, create_preheaders,
4238	force_single_succ_latches, loop_version, fix_loop_structure):
4239	Ditto.
4240	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
4241	tree_unroll_loop): Ditto.
4242	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4243	* tree-scalar-evolution.c (select_loops_exit_conditions,
4244	scev_initialize, scev_analysis): Ditto.
4245	* tree-scalar-evolution.h (scev_initialize): Ditto.
4246	* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
4247	* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
4248	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
4249	* modulo-sched.c (sms_schedule): Ditto.
4250	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4251	* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
4252	rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
4253	* ifcvt.c (if_convert): Ditto.
4254	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
4255	canonicalize_loop_induction_variables,
4256	canonicalize_induction_variables,
4257	tree_unroll_loops_completely, remove_empty_loops): Ditto.
4258	* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
4259	tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
4260	tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4261	tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
4262	tree_ssa_loop_done): Ditto.
4263	* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
4264	estimate_bb_frequencies): Ditto.
4265	* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
4266	slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
4267	* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
4268	decide_unrolling_and_peeling, peel_loop_completely,
4269	unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4270	peel_loop_simple, unroll_loop_stupid): Ditto.
4271	* loop-doloop.c (doloop_optimize_loops): Ditto.
4272	* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
4273	* loop-invariant.c (move_loop_invariants): Ditto.
4274	* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
4275	* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
4276	tree_ssa_prefetch_arrays): Ditto.
4277	* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
4278	Ditto.
4279	* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
4280	vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
4281	* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
4282	mark_single_exit_loops, cancel_loop, cancel_loop_tree,
4283	verify_loop_structure): Ditto.
4284	* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
4285	canonicalize_induction_variables, tree_unroll_loops_completely,
4286	tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
4287	estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
4288	tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
4289	tree_unroll_loop, linear_transform_loops): Declaration changed.
4290	* basic-block.h: Remove declaration of struct loops.
4291	* cfghooks.h (struct cfg_hooks): Change type of
4292	cfg_hook_duplicate_loop_to_header_edge.
4293	(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4294	* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4295	vect_transform_loop): Declaration changed.
4296	* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4297	* cfgloop.h (flow_loops_dump, fix_loop_structure,
4298	mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4299	cancel_loop_tree, create_preheaders, force_single_succ_latches,
4300	verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4301	loopify, loop_version, remove_path, unswitch_loops,
4302	unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4303	Declaration changed.
4304
43052006-11-24  Uros Bizjak  <ubizjak@gmail.com>
4306
4307	* config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4308	(X87MODEF): New mode macro.
4309	(ssemodefsuffix): New mode attribute.
4310	(truncxf<mode>2_i387_noop_unspec): New insn pattern.
4311	(sqrt_extend<mode>xf2_i387): New insn pattern.
4312	(sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
4313	insn and truncate result back to original mode using
4314	UNSPEC_TRUNC_NOOP truncation.
4315	(*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
4316	ssemodefsuffix mode attribute.
4317	(*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4318	(*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4319	(*sqrtextenddfxf2_i387): Remove insn patterns.
4320
4321	(fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4322	truncation patterns.
4323
4324	* reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4325
43262006-11-24  Jakub Jelinek  <jakub@redhat.com>
4327
4328	PR c/29955
4329	* c-tree.h (c_maybe_initialize_eh): New prototype.
4330	* c-decl.c (finish_decl): Move EH initialization...
4331	(c_maybe_initialize_eh): ... here.  New function.
4332	* c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4333	if not #pragma omp atomic.
4334
4335	PR c/29736
4336	* c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4337	or UNION_TYPE inner types.
4338
43392006-11-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4340
4341	PR tree-opt/29964
4342	* ipa-pure-const.c (check_tree): If the original tree
4343	is volatile return early and say the function is not pure
4344	nor const.  Remove the volatile check for writes.
4345	(analyze_function): Print out the result of the local
4346	analysis pass.
4347
43482006-11-24  Joseph Myers  <joseph@codesourcery.com>
4349
4350	* config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4351	MASK_STRICT_ALIGN.
4352	* config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4353	* config/rs6000/rs6000.c (rs6000_override_options): Use
4354	MASK_STRICT_ALIGN for 8540 and 8548.  Add MASK_STRICT_ALIGN to
4355	POWERPC_MASKS.
4356
43572006-11-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4358
4359	* config/s390.c (s390_emit_compare_and_swap): New function.
4360	(s390_expand_cs_hqi, s390_expand_atomic): Call
4361	s390_emit_compare_and_swap.
4362
43632006-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4364
4365	* pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4366
43672006-11-24  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4368
4369	PR c/2707
4370	PR c++/26167
4371	* c-common.c (conversion_warning): New.
4372	(convert_and_check): Call conversion_warning unless there is an
4373	overflow warning.
4374	* doc/invoke.texi (-Wconversion): Update description.
4375
43762006-11-23  Daniel Berlin  <dberlin@dberlin.org>
4377
4378	* tree-ssa-alias.c (tree_pointer_compare): New function.
4379	(compact_name_tags): New function.
4380	(group_aliases): Call compact_name_tags.
4381
43822006-11-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4383
4384	* real.h (real_isinteger): Declare.
4385	* real.c (real_isinteger): Define.
4386	* builtins.c (integer_valued_real_p): Use it.
4387
43882006-11-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4389
4390	PR c/9072
4391	* c.opt (Wtraditional-conversion): New.
4392	(Wconversion): Update description.
4393	* c-typeck.c (convert_arguments): Warnings for prototypes causing
4394	type conversions different from what would happen in the absence
4395	of prototype are now handled by Wtraditional-conversion.
4396	* doc/invoke.texi (Wtraditional-conversion): New.
4397	(Wconversion): Update description.
4398	* doc/trouble.texi (Wconversion): Replace Wconversion by
4399	Wtraditional-conversion.
4400
44012006-11-23  Andrew Pinski  <pinskia@gmail.com>
4402
4403	* predict.c (tree_estimate_probability): Check to make
4404	sure current_loops is non null before calling flow_loops_dump.
4405
44062006-11-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4407
4408	* var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4409
44102006-11-23  David Ung  <davidu@mips.com>
4411
4412	* config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4413	combination.
4414	(ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4415	(ASM_SPEC): Pass along -mfp32 and -mfp64.
4416	* config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4417	high part of FP register when in 64-bit FP register mode.  Similarly
4418	use gen_mfhc1 to load high part of FP register.
4419	(override_options): Allow -mgp32 and -mfp64 combination if
4420	ISA_HAS_MXHC1 (currently for O32 only).
4421	(mips_cannot_change_mode_class): If floating-point registers are
4422	bigger than word size. disallow conversion of float register from a
4423	large integer mode to a float mode smaller than the float register
4424	size.
4425	(mips_class_max_nregs): Handle float registers case seperately.
4426	* config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4427	UNSPEC_MTHC1.
4428	(movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4429	(movdf_hardfloat_32bit): Similarly.
4430	(movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4431	support a full 64-bit fpu.
4432	(mthc1): New pattern to generate MTHC1 instruction.
4433	(mfhc1): New pattern to generate MFHC1 instruction.
4434	* doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4435	option for the MIPS32R2 and mention its use under O32 ABI.
4436
44372006-11-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4438
4439	* var-tracking.c (emit_note_insn_var_location): Take care not to
4440	cause verify_flow_info failures.
4441
44422006-11-22  Daniel Berlin  <dberlin@dberlin.org>
4443
4444	* tree-ssa-structalias.c: Remove edge weights in favor of just
4445	processing them as complex constraints.
4446	(struct constraint_graph): Remove weighted succs and preds. Rename
4447	nonweighted succs and preds.
4448	(constraint_edge): Removed.
4449	(constraint_edge_t): Ditto.
4450	(constraint_edge_pool): Ditto.
4451	(new_constraint_edge): Ditto.
4452	(constraint_edge_equal): Ditto.
4453	(constraint_edge_less): Ditto.
4454	(constraint_edge_vec_find): Ditto.
4455	(erase_self_graph_edge): Ditto.
4456	(add_graph_edge): Removed.
4457	(get_graph_weights): Ditto.
4458	(allocate_graph_weights): Ditto.
4459	(valid_weighted_graph_edge): Ditto
4460	(bitmap_other_than_zero_bit_set): Ditto.
4461	(int_add_graph_edge): Renamed to add_graph_edge.
4462	(clear_edges_for_node): Remove support for weighted edges.
4463	(merge_graph_nodes): Ditto.
4464	(valid_graph_edge): Ditto.
4465	(build_constraint_graph): Ditto.
4466	(scc_visit): Ditto.
4467	(collapse_nodes): Ditto.
4468	(process_unification_queue): Ditto.
4469	(topo_visit): Ditto.
4470	(do_ds_constraint): Ditto.
4471	(perform_var_subsitution): Ditto.
4472	(solve_graph): Ditto.
4473	(init_alias_vars): Ditto.
4474	(delete_points_to_sets): Ditto.
4475	(do_complex_constraint): Support offsetted copies here.
4476
44772006-11-23  Ulrich Weigand  <uweigand@de.ibm.com>
4478
4479	* config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4480	SPU_RdEventMask.
4481	* config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4482
4483	* config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4484	of size bitfield.
4485
44862006-11-23  Ben Elliston  <bje@au.ibm.com>
4487
4488	* config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4489
44902006-11-23  Zdenek Dvorak <dvorakz@suse.cz>
4491
4492	PR tree-optimization/29921
4493	* fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4494	signed and unsigned zero equal.
4495
44962006-11-22  Peter Bergner  <bergner@vnet.ibm.com>
4497
4498	* config/rs6000/rs6000.c (get_store_dest): New.
4499	(adjacent_mem_locations): Use get_store_dest() to get
4500	the rtl of the store destination.
4501
45022006-11-22  Joseph Myers  <joseph@codesourcery.com>
4503
4504	* config/rs6000/spe.md (SPE64): New mode macro.
4505	(mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0.  Add
4506	memory load.
4507	(mov_si<mode>_e500_subreg0_2): New.
4508	(mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4.  Add
4509	memory load.
4510	(mov_si<mode>_e500_subreg4_2): New.
4511	* config/rs6000/predicates.md (input_operand): Do not allow
4512	invalid E500 subregs.
4513	(rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4514	if TARGET_SPE.
4515	* config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4516	involving DFmode if TARGET_E500_DOUBLE.  Check for subregs
4517	involving vector modes if TARGET_SPE.
4518
45192006-11-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4520
4521	Revert
4522	2006-11-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4523	* reorg.c (emit_delay_sequence): Copy the delay slot insn.
4524
45252006-11-22  Bernd Schmidt  <bernd.schmidt@analog.com>
4526
4527	* config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4528	mem_i_address_operand): New predicates.
4529	* config/bfin/bfin.c (bfin_issue_rate): New function.
4530	(TARGET_SCHED_ISSUE_RATE): New macro.
4531	* config/bfin/bfin.md (addrtype): New attribute.
4532	(slot0, slot1, slot2, store, pregs): New cpu_units.
4533	(core): Now a define_reservation.
4534	(alu): Remove some insn types from this reservation.
4535	(dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4536	insn reservations.
4537	(dummy reservation): Don't trigger for mcld insns.
4538	(absence_sets): Two new absence sets to enforce slot ordering.
4539	(popsi_insn): Set addrtype.
4540
45412006-11-22  Ira Rosen  <irar@il.ibm.com>
4542
4543	* doc/c-tree.texi: Document new tree codes.
4544	* doc/md.texi: Document new optabs.
4545	* tree-pretty-print.c (dump_generic_node): Handle print of new tree
4546	codes.
4547	* optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4548	* optabs.h (optab_index): Add new.
4549	(vec_extract_even_optab, vec_extract_odd_optab,
4550	vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4551	* genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4552	vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4553	new optabs.
4554	* expr.c (expand_expr_real_1): Add implementation for new tree codes.
4555	* tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4556	* tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4557	along with macros for their access.
4558	* tree-data-ref.h (first_location_in_loop, data_reference): Update
4559	comment.
4560	* tree-vect-analyze.c (toplev.h): Include.
4561	(vect_determine_vectorization_factor): Fix indentation.
4562	(vect_insert_into_interleaving_chain,
4563	vect_update_interleaving_chain, vect_equal_offsets): New functions.
4564	(vect_analyze_data_ref_dependence): Add argument for interleaving
4565	check. Check for interleaving if it's true.
4566	(vect_check_dependences): New function.
4567	(vect_analyze_data_ref_dependences): Call vect_check_dependences for
4568	every ddr. Call vect_analyze_data_ref_dependence with new argument.
4569	(vect_update_misalignment_for_peel): Update for interleaving.
4570	(vect_verify_datarefs_alignment): Check only first data-ref for
4571	interleaving.
4572	(vect_enhance_data_refs_alignment): Update for interleaving. Check
4573	only first data-ref for interleaving.
4574	(vect_analyze_data_ref_access): Check interleaving, update
4575	interleaving data.
4576	(vect_analyze_data_refs): Call compute_data_dependences_for_loop
4577	with different parameters.
4578	* tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4579	VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4580	* tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4581	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4582	Update step in case of interleaving.
4583	(vect_strided_store_supported, vect_permute_store_chain): New
4584	functions.
4585	(vectorizable_store): Handle strided stores.
4586	(vect_strided_load_supported, vect_permute_load_chain,
4587	vect_transform_strided_load): New functions.
4588	(vectorizable_load): Handle strided loads.
4589	(vect_transform_stmt): Add argument. Handle strided stores. Check
4590	that vectorized stmt exists for patterns.
4591	(vect_gen_niters_for_prolog_loop): Update calculation for
4592	interleaving.
4593	(vect_transform_loop): Remove stmt_vec_info for strided stores after
4594	whole chain vectorization.
4595	* config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4596	UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4597	(vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4598	vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4599	vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4600
46012006-11-22  Steven Bosscher  <steven@gcc.gnu.org>
4602
4603	* cse.c (enum taken): Remove PATH_AROUND.
4604	(addr_affects_sp_p, invalidate_skipped_set,
4605	invalidate_skipped_block): Remove.
4606	(cse_end_of_basic_block): Remove skip_blocks and related code.
4607	(cse_main): Don't test for flag_cse_skip_blocks.
4608	Update cse_end_of_basic_block call.
4609	(cse_basic_block): Likewise.  Remove PATH_AROUND case.  Remove
4610	code to lengthen the path if a jump was simplified.
4611
46122006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4613
4614	PR rtl-optimization/29924
4615	* loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4616	(unroll_loop_runtime_iterations): Assert that the argument passed to
4617	split_edge_and_insert is not NULL.
4618	* loop-doloop.c (add_test): Ditto.
4619
46202006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4621
4622	* tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4623	functions.
4624	* tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4625	* cfgloopmanip.c (update_single_exits_after_duplication,
4626	update_single_exit_for_duplicated_loop, loop_version): Ditto.
4627	* tree-scalar-evolution.c (get_loop_exit_condition,
4628	get_exit_conditions_rec, loop_closed_phi_def,
4629	number_of_iterations_in_loop, scev_const_prop): Ditto.
4630	* tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4631	* modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4632	Ditto.
4633	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4634	Ditto.
4635	* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4636	slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4637	slpeel_make_loop_iterate_ntimes,
4638	slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4639	slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4640	Ditto.
4641	* tree-if-conv.c (if_convertible_loop_p): Ditto.
4642	* tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4643	vect_analyze_loop_form): Ditto.
4644	* lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4645	can_convert_to_perfect_nest, perfect_nestify): Ditto.
4646	* tree-vect-transform.c (vect_create_epilog_for_reduction,
4647	vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4648	vect_transform_loop): Ditto.
4649	* cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4650	(single_exit, set_single_exit): New functions.
4651	* cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4652	(single_exit, set_single_exit): Declare.
4653	* doc/loop.texi: Undocument single_exit field.  Document single_exit
4654	accessor function.
4655
46562006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4657
4658	PR tree-optimization/29902
4659	* tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4660	any involved ssa name appears in abnormal phi node.
4661
46622006-11-21  Bob Wilson  <bob.wilson@acm.org>
4663
4664	* config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4665	(xtensa_const_ok_for_letter_p): Delete.
4666	(xtensa_extra_constraint): Delete.
4667	(override_options): Delete xtensa_char_to_class initialization.
4668	* config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4669	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4670	(EXTRA_CONSTRAINT): Delete.
4671	* config/xtensa/xtensa.md: Include constraints.md.
4672	(call_internal): Combine alternatives.
4673	(call_value_internal): Likewise, and remove invalid constraints.
4674	* config/xtensa/constraints.md: New file.
4675	* config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4676	(xtensa_extra_constraint): Delete.
4677	* doc/md.texi (Machine Constraints): Refer to constraints.md for
4678	Xtensa constraints.
4679
46802006-11-21  Janis Johnson  <janis187@us.ibm.com>
4681
4682	* config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4683	of conversion that doesn't fit.
4684
4685	* config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4686	* config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4687	DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4688
4689	* config/dfp-bit.c (dfp_binary_func): Fix typedef.
4690
46912006-11-21  Douglas Gregor <doug.gregor@gmail.com>
4692
4693	* c-common.h (enum rid): Add RID_STATIC_ASSERT.
4694
46952006-11-21  Richard Guenther  <rguenther@suse.de>
4696
4697	* tree-vectorizer.h (NUM_PATTERNS): Increase.
4698	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4699	vect_recog_pow_pattern.
4700	(vect_recog_pow_pattern): New function.
4701
47022006-11-21  Bernd Schmidt  <bernd.schmidt@analog.com>
4703
4704	* config/bfin/bfin.opt (mstack-check-l1): New.
4705	* doc/invoke.texi (Blackfin Options): Document it.
4706	* config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4707	stack bounds in L1 memory if the new option is enabled.
4708	(override_options): Don't allow combinations of -fstack-limit and
4709	-mstack-check-l1.
4710	(add_to_reg): Renamed from add_to_sp.  All callers changed.  Lose some
4711	dead code.
4712
4713	* config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4714	regs for DImode.
4715	(bfin_register_move_cost): Bump costs if trying to move plain
4716	integer values through accumulators.
4717
47182006-11-21  Ben Elliston  <bje@au.ibm.com>
4719
4720	* config/spu/spu.c (spu_expand_vector_init): Initialise x.
4721
47222006-11-20  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4723	    Russell Olsen <Russell_Olsen@playstation.sony.com>
4724	    Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4725	    Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4726	    Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4727	    Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4728	    Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4729
4730	* config.gcc: Add target for SPU.
4731	* config/spu/constraints.md: New file.
4732	* config/spu/crt0.c: New file.
4733	* config/spu/crtend.c: New file.
4734	* config/spu/crti.asm: New file.
4735	* config/spu/crtn.asm: New file.
4736	* config/spu/float_unsdidf.c: New file.
4737	* config/spu/float_unssidf.c: New file.
4738	* config/spu/predicates.md: New file.
4739	* config/spu/spu-builtins.def: New file.
4740	* config/spu/spu-builtins.h: New file.
4741	* config/spu/spu-builtins.md: New file.
4742	* config/spu/spu-c.c: New file.
4743	* config/spu/spu-elf.h: New file.
4744	* config/spu/spu-modes.def: New file.
4745	* config/spu/spu-protos.h: New file.
4746	* config/spu/spu.c: New file.
4747	* config/spu/spu.h: New file.
4748	* config/spu/spu.md: New file.
4749	* config/spu/spu.opt: New file.
4750	* config/spu/spu_internals.h: New file.
4751	* config/spu/spu_intrinsics.h: New file.
4752	* config/spu/spu_mfcio.h: New file.
4753	* config/spu/t-spu-elf: New file.
4754	* config/spu/vec_types.h: New file.
4755	* config/spu/vmx2spu.h: New file.
4756	* doc/contrib.texi: Document SPU contributor.
4757	* doc/extend.texi: Document SPU extensions.
4758	* doc/invoke.texi: Document SPU options.
4759	* doc/md.texi: Document SPU constraints.
4760
47612006-11-21  Zdenek Dvorak <dvorakz@suse.cz>
4762
4763	* cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4764	of the loop.
4765	* cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4766	Removed.
4767	(flow_loop_dump): Do not dump loop level.
4768	(flow_loops_find): Do not call flow_loops_level_compute.
4769	* cfgloop.h (struct loop): Remove level field.
4770
47712006-11-21  Zdenek Dvorak <dvorakz@suse.cz>
4772
4773	* tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4774	hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4775	Use vector of edges instead of array.
4776	* tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4777	estimate_numbers_of_iterations_loop): Ditto.
4778	* predict.c (predict_loops): Ditto.
4779	* loop-unroll.c (analyze_insns_in_loop): Ditto.
4780	* tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4781	edge vectors.
4782	* basic-block.h: Declare heap allocation for edge vectors.
4783	* tree-outof-ssa.c: Ditto.
4784	* cfgloop.c (get_loop_exit_edges): Return vector of edges.
4785	* cfgloop.h (get_loop_exit_edges): Declaration changed.
4786
47872006-11-20  Zack Weinberg  <zackw@panix.com>
4788
4789	* gengtype.c (process_gc_options): Remove unnecessary forward decl.
4790	Add another out parameter, "skip".
4791	(set_gc_used_type): Adjust calls to process_gc_options.  If a field
4792	is tagged "skip", do not mark its type used.
4793
47942006-11-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4795
4796	PR tree-opt/25500
4797	* tree-sra.c (single_scalar_field_in_record_p): New function.
4798	(decide_block_copy): Use it.
4799
48002006-11-20  David Daney  <ddaney@avtrex.com>
4801
4802	* config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4803	PC to point to following instruction.
4804
48052006-11-20  Anatoly Sokolov <aesok@post.ru>
4806
4807	PR target/18553
4808	PR target/29449
4809	* config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4810
4811	* config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4812
48132006-11-20  J"orn Rennecke  <joern.rennecke@st.com>
4814
4815	* config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4816	Add sh/superh.h to tm_file.
4817
48182006-11-20  Carlos O'Donell  <carlos@codesourcery.com>
4819	    Mark Mitchell  <mark@codesourcery.com>
4820
4821	* cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4822	gcc_exec_prefix.
4823	(cpp_relocated): New function.
4824	* cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4825	and cpp_relocated.
4826	* Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4827	* c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4828	replace configured prefix with gcc_exec_prefix.
4829
48302006-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4831
4832	* config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4833	bfin_legitimate_constant_p.
4834	* config/bfin/bfin.md (movsi expander): Check return value of
4835	expand_mvoe.
4836	* config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4837	(expand_move): Adjust prototype.
4838	* config/bfin/bfin.c (expand_move): Now returns bool.  Handle
4839	invalid constants specially.
4840	(bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4841	functions.
4842	(TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4843
4844	* config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4845	sibcall_value_symbol): Allow these patterns if
4846	TARGET_LEAF_ID_SHARED_LIBRARY.
4847	* config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4848	(override_options): Turn on id shared library flags if -msep-data,
4849	but disallow the combination of these options on the command line.
4850	* config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4851	MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4852	(DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4853	-mid-shared-library.
4854	(TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4855	* doc/invoke.texi (Blackfin Options): Document new switches.
4856
4857	* config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4858	edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4859
4860	* tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4861	inflate costs for addresses with an out-of-bounds address.
4862
48632006-11-19  Andrew Pinski  <pinskia@gmail.com>
4864
4865	PR rtl-opt/29879
4866	* fwprop.c (loops): Remove.
4867	(forward_propagate_into): Use current_loops instead of
4868	loops.
4869	(fwprop_init): Call loop_optimizer_init instead of
4870	flow_loops_find.
4871	(fwprop_done): Call loop_optimizer_finalize instead of
4872	flow_loops_free.
4873	(fwprop): Use current_loops instead of loops.
4874
48752006-11-19  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4876
4877	PR c++/8586
4878	* c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4879
48802006-11-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4881
4882	PR target/29114
4883	* pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4884	larger than BITS_PER_WORD.
4885
48862006-11-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4887
4888	PR fortran/27885
4889	PR middle-end/28176
4890	* stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4891	to MAX_FIXED_MODE_SIZE.
4892
48932006-11-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4894
4895	* builtins.c (integer_valued_real_p): Handle fmin/fmax.
4896	(fold_builtin_fmin_fmax): New.
4897	(fold_builtin_1): Use it.
4898
4899	* fold-const.c (fold_strip_sign_ops): Handle copysign.
4900
49012006-11-18  Richard Guenther  <rguenther@suse.de>
4902
4903	* config/i386/i386.c (ix86_builtins): New array for ix86
4904	builtin function decls.
4905	(def_builtin): New function.
4906	(def_builtin_const): Likewise.
4907	(ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4908
49092006-11-18  Vladimir Makarov  <vmakarov@redhat.com>
4910
4911	* doc/invoke.texi (core2): Add item.
4912
4913	* config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4914	macros.
4915	(TARGET_CPU_CPP_BUILTINS): Add code for core2.
4916	(TARGET_CPU_DEFAULT_generic): Change value.
4917	(TARGET_CPU_DEFAULT_NAMES): Add core2.
4918	(processor_type): Add new constant PROCESSOR_CORE2.
4919
4920	* config/i386/i386.md (cpu): Add core2.
4921
4922	* config/i386/i386.c (core2_cost): New initialized variable.
4923	(m_CORE2): New macro.
4924	(x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4925	x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4926	x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4927	x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4928	x86_partial_reg_dependency, x86_memory_mismatch_stall,
4929	x86_accumulate_outgoing_args, x86_prologue_using_move,
4930	x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4931	x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4932	x86_use_incdec, x86_four_jump_limit, x86_schedule,
4933	x86_pad_returns): Add m_CORE2.
4934	(override_options): Add entries for Core2.
4935	(ix86_issue_rate): Add case for Core2.
4936
49372006-11-18  Aldy Hernandez  <aldyh@redhat.com>
4938
4939	* doc/invoke.texi: Fix mno-isel typo.
4940
49412006-11-18  Joseph Myers  <joseph@codesourcery.com>
4942
4943	* config/rs6000/spe.md (movv4hi_internal): Add alternative for
4944	easy vector constant loads.
4945
49462006-11-18  Joseph Myers  <joseph@codesourcery.com>
4947
4948	* config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4949	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4950	__NO_LWSYNC__ if TARGET_NO_LWSYNC.
4951	* config/rs6000/sync.md (lwsync): Emit plain sync if
4952	TARGET_NO_LWSYNC.
4953
49542006-11-17  DJ Delorie  <dj@redhat.com>
4955
4956	* reload1.c (reloads_unique_chain): New.
4957	(reloads_conflict): Call it.
4958
49592006-11-17  Bob Wilson  <bob.wilson@acm.org>
4960
4961	* config/xtensa/predicates.md (addsubx_operand): New.
4962	* config/xtensa/xtensa.c (xtensa_emit_branch): New.
4963	(xtensa_emit_bit_branch): New.
4964	(xtensa_emit_movcc): New.
4965	* config/xtensa/xtensa.md (any_minmax): New code macro.
4966	(minmax): New code attribute.
4967	(any_cond, any_scc, any_scc_sf): New code macros.
4968	(*addx2, *addx4, *addx8): Delete.
4969	(*addx): New.
4970	(*subx2, *subx4, *subx8): Delete.
4971	(*subx): New.
4972	(sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4973	(beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4974	(*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4975	(*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4976	(seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4977	(movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4978	(movsfcc_internal0, movsfcc_internal1): Likewise.
4979	(seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4980	* config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4981	(xtensa_emit_bit_branch): New.
4982	(xtensa_emit_movcc): New.
4983	(function_arg_boundary): Add missing prototype.
4984
49852006-11-17  Bob Wilson  <bob.wilson@acm.org>
4986
4987	* config/xtensa/xtensa.md (tstsi): Delete
4988
49892006-11-17  Bob Wilson  <bob.wilson@acm.org>
4990
4991	* config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4992
49932006-11-17  Bob Wilson  <bob.wilson@acm.org>
4994
4995	* config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4996
49972006-11-17  Bob Wilson  <bob.wilson@acm.org>
4998
4999	* config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
5000
50012006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5002
5003	* tree-vrp.c (execute_vrp): Do not update current_loops.
5004	* loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
5005	* doc/loop.texi: Remove documentation for cancelled functions.
5006	* tree-ssa-loop-im.c (loop_commit_inserts): Removed.
5007	(move_computations, determine_lsm): Use bsi_commit_edge_inserts
5008	instead.
5009	* cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
5010	(remove_path): Ensure that in delete_basic_blocks, the loops
5011	are still allocated.
5012	(add_loop): Work on valid loop structures.
5013	(loopify): Modify call of add_loop.
5014	(mfb_update_loops): Removed.
5015	(create_preheader): Do not update loops explicitly.
5016	(force_single_succ_latches, loop_version): Do not use
5017	loop_split_edge_with.
5018	(loop_split_edge_with): Removed.
5019	* tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
5020	Do not use bsi_insert_on_edge_immediate_loop.
5021	(split_loop_exit_edge, tree_unroll_loop): Do not use
5022	loop_split_edge_with.
5023	(bsi_insert_on_edge_immediate_loop): Removed.
5024	* tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops.  Do not
5025	use loop_split_edge_with.
5026	* cfghooks.c: Include cfgloop.h.
5027	(verify_flow_info): Verify that loop_father is filled iff current_loops
5028	are available.
5029	(redirect_edge_and_branch_force, split_block, delete_basic_block,
5030	split_edge, merge_blocks, make_forwarder_block, duplicate_block):
5031	Update cfg.
5032	* cfgloopanal.c (mark_irreducible_loops): Work if the function contains
5033	no loops.
5034	* modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
5035	loop_split_edge_with.
5036	(sms_schedule): Use current_loops.
5037	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
5038	* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
5039	current_loops.
5040	(rtl_loop_init, rtl_loop_done): Do not set current_loops.
5041	* tree-ssa-sink.c (execute_sink_code): Use current_loops.
5042	* ifcvt.c (if_convert): Ditto.
5043	* predict.c (predict_loops): Do not clear current_loops.
5044	(tree_estimate_probability): Use current_loops.
5045	(propagate_freq): Receive head of the region to propagate instead of
5046	loop.
5047	(estimate_loops_at_level): Do not use shared to_visit bitmap.
5048	(estimate_loops): New function.  Handle case current_loops == NULL.
5049	(estimate_bb_frequencies): Do not allocate tovisit.  Use
5050	estimate_loops.
5051	* tree-ssa-loop.c (current_loops): Removed.
5052	(tree_loop_optimizer_init): Do not return loops.
5053	(tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
5054	* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
5055	slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
5056	Do not update loops explicitly.
5057	* function.h (struct function): Add x_current_loops field.
5058	(current_loops): New macro.
5059	* tree-if-conv.c (combine_blocks): Do not update loops explicitly.
5060	* loop-unroll.c (split_edge_and_insert): New function.
5061	(unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
5062	use loop_split_edge_with.
5063	* loop-doloop.c (add_test, doloop_modify): Ditto.
5064	* tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
5065	* cfglayout.c (copy_bbs): Do not update loops explicitly.
5066	* lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
5067	* tree-vect-transform.c (vect_transform_loop): Do not update loops
5068	explicitly.
5069	* cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
5070	(flow_loops_free): Do not free dfs_order and rc_order.
5071	(flow_loops_find): Do not set dfs_order and rc_order in loops
5072	structure.  Do not call loops and flow info verification.
5073	(add_bb_to_loop, remove_bb_from_loops): Check whether the block
5074	already belongs to some loop.
5075	* cfgloop.h (struct loops): Remove struct cfg.
5076	(current_loops, loop_split_edge_with): Declaration removed.
5077	(loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
5078	* tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
5079	Declaration removed.
5080	* Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
5081	* basic-block.h (split_edge_and_insert): Declare.
5082	* tree-cfg.c (remove_bb): Do not update loops explicitly.
5083
50842006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5085
5086	PR tree-optimization/29801
5087	* tree-ssa-ccp.c (get_symbol_constant_value): New function.
5088	(get_default_value): Use get_symbol_constant_value.
5089	(set_lattice_value): ICE when the value of the constant is
5090	changed.
5091	(visit_assignment): Ignore VDEFs of read-only variables.
5092
50932006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5094
5095	* tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
5096	formating.
5097	(vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5098	vect_gen_niters_for_prolog_loop): Fold the emited expressions.
5099
51002006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
5101
5102	* tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
5103	select subvars of var.
5104
51052006-11-17  Jakub Jelinek  <jakub@redhat.com>
5106
5107	PR middle-end/29584
5108	* tree-ssa-forwprop.c (simplify_switch_expr): Don't
5109	optimize if DEF doesn't have integral type.
5110
51112006-11-16  Mike Stump  <mrs@apple.com>
5112
5113	* config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
5114	pre-darwin9 system, unless the user asks for it directly.
5115	(PREFERRED_DEBUGGING_TYPE): Likewise.
5116	* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5117	* config.gcc: Add suppport for darwin9.h.
5118	* config/darwin9.h: Add.
5119	* doc/install.texi (Specific): Clarify darwin documentation.
5120
51212006-11-16  Richard Earnshaw  <rearnsha@arm.com>
5122
5123	* arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
5124	optimizing for size.
5125
51262006-11-16  Mike Stump  <mrs@apple.com>
5127
5128	* Makefile.in (targhooks.o): Add $(OPTABS_H).
5129
51302006-11-16  Dirk Mueller  <dmueller@suse.de>
5131
5132	* tree-vrp.c (get_value_range): Use XCNEW instead
5133	of XNEW and memset.
5134	(insert_range_assertions): Use XCNEWVEC instead
5135	of XNEWVEC and memset.
5136	(vrp_initialize): Same.
5137	(vrp_finalize): Same.
5138	* tree-ssa-ccp.c (ccp_initialize): Same.
5139	* predict.c (tree_bb_level_predictions): Same.
5140	* calls.c (expand_call): Same.
5141	* tree-ssa-copy.c (init_copy_prop): Same.
5142	(fini_copy_prop): Same.
5143	* tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
5144	of GGC_NEW and memset.
5145
51462006-11-16  Eric Botcazou  <ebotcazou@adacore.com>
5147
5148	PR middle-end/26306
5149	* gimplify.c (gimplify_expr): Only force a load for references to
5150	non-BLKmode volatile values.
5151	* doc/implement-c.texi (Qualifiers implementation): Document the
5152	interpretation of what a volatile access is.
5153	* doc/extend.texi (C++ Extensions): Rework same documentation.
5154
51552006-11-16  Joseph Myers  <joseph@codesourcery.com>
5156
5157	* config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
5158	memory operand.
5159
51602006-11-16  Richard Earnshaw  <rearnsha@arm.com>
5161
5162	* arm.md (abssi2): Allow Thumb as well.	 Use an SImode scratch for
5163	Thumb.
5164	(arm_neg_abssi2): Renamed from neg_abssi2.
5165	(thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
5166
51672006-11-16  Uros Bizjak  <ubizjak@gmail.com>
5168
5169	* config/i386/i386.c (ix86_function_sseregparm): Fix comment:
5170	number of arguments passed to local functions in SSE registers is 3.
5171
5172	* doc/invoke.texi (Function Attributes) [sseregparm]: Correct
5173	number of arguments passed in SSE registers to 3.
5174
51752006-11-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5176
5177	PR target/29201
5178	* cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
5179	bb to ...
5180	(get_last_bb_insn): ... new global function.
5181	(basic_block.h): Declare it.
5182	* haifa-sched.c (create_recovery_block): Use it.
5183
51842006-11-15  H.J. Lu  <hongjiu.lu@intel.com>
5185
5186	PR middle-end/29862
5187	* real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
5188
51892006-11-15  Paul Brook  <paul@codesourcery.com>
5190
5191	* config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
5192	_Unwind_GetTextRelBase): Move from here ...
5193	* config/arm/pr-support.c (_Unwind_GetDataRelBase,
5194	_Unwind_GetTextRelBase): ... To here.
5195
51962006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
5197
5198	* tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
5199	addresses we generate for testing are aligned.
5200
52012006-11-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5202
5203	PR tree-opt/29788
5204	* fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
5205	to what is the const decl is a place holder for.
5206
52072006-11-15  Uros Bizjak  <ubizjak@gmail.com>
5208
5209	* config/i386/i386.opt: New target option -mx87regparm.
5210
5211	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
5212	and float_in_x87 variables. mmx_words, sse_words: Remove.
5213	(X87_REGPARM_MAX): Define.
5214
5215	* config/i386/i386.c (override_options): Error out for
5216	-mx87regparm but no 80387 support.
5217	(ix86_attribute_table): Add x87regparm.
5218	(ix86_handle_cconv_attribute): Update comments for x87regparm.
5219	(ix86_comp_type_attributes): Check for mismatched x87regparm types.
5220	(ix86_function_x87regparm): New function.
5221	(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
5222	point registers.
5223	(init_cumulative_args): Initialize x87_nregs and float_in_x87
5224	variables.
5225	(function_arg_advance): Process x87_nregs and x87_regno when
5226	floating point argument is to be passed in 80387 register.
5227	(function_arg): Pass XFmode arguments in 80387 registers for local
5228	functions.  Pass SFmode and DFmode arguments to local functions
5229	in 80387 registers when flag_unsafe_math_optimizations is set.
5230
5231	* reg-stack.c (convert_regs_entry): Disable NaN load for
5232	stack registers that are used for argument passing.
5233
5234	* doc/extend.texi: Document x87regparm function attribute.
5235	* doc/invoke.texi: Document -mx87regparm.
5236
52372006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
5238
5239	* tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
5240	* tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
5241	arg MODE; all callers changed.  Use it to determine validity per
5242	machine mode instead of using Pmode for all memory references.
5243	(get_address_cost): Likewise add and use new arg MEM_MODE.
5244
52452006-11-15  Rask Ingemann Lambertsen <rask@sygehus.dk>
5246	    J"orn Rennecke <joern.rennecke@st.com>
5247
5248	* combine.c (likely_spilled_retval_1): Fix masking operation.
5249	(likely_spilled_retval_p): Use proper pattern for call to
5250	likely_spilled_retval_1.
5251
52522006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
5253
5254	* tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
5255
5256	* config/bfin/bfin.c (legitimize_pic_address): Lose dead code
5257	that tests for CONSTANT_POOL_ADDRESS_P.
5258
52592006-11-15  Jakub Jelinek  <jakub@redhat.com>
5260
5261	PR tree-optimization/29581
5262	* lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
5263	REPLACEMENTS, FIRSTBSI arguments.  If initial condition or
5264	type is different between Y and USE, create a temporary
5265	variable, initialize it at the beginning of the body bb
5266	and use it as replacement instead of Y.
5267
52682006-11-15  Paolo Bonzini  <bonzini@gnu.org>
5269
5270	PR middle-end/29753
5271	* gimplify.c (fold_indirect_ref_rhs): Use
5272	STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
5273
52742006-11-14  Richard Earnshaw  <rearnsha@arm.com>
5275
5276	* expmed.c (emit_store_flag_1): New function.
5277	(emit_store_flag): Call it.  If we can't find a suitable scc insn,
5278	try a cstore insn.
5279	* expr.c (do_store_flag): If we can't find a scc insn, try cstore.
5280	Use do_compare_rtx_and_jump.
5281	* arm.h (BRANCH_COST): Increase to 2 on Thumb.
5282	* arm.md (cstoresi4): New define_expand.
5283	(cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
5284	(cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
5285	(cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
5286
52872006-11-14  Caroline Tice  <ctice@apple.com>
5288
5289	* dwarf2out.c (debug_pubtypes_section): New static global variable.
5290	(pubname_entry):  Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5291	this type.
5292	(pubname_table):  Redefine as a vector.
5293	(pubtype_table):  New static global variable, defined as a vector.
5294	(pubname_table_allocated): Remove static global variable.
5295	(pubname_table_in_use): Remove static global variable.
5296	(PUBNAME_TABLE_INCREMENT): Remove constant.
5297	(size_of_pubnames): Add parameter to deal with either pubnames or
5298	pubtypes, and change code to deal with table being a vector.
5299	(add_pubname):  Change to deal with table being a vector.
5300	(add_pubtype):  New function.
5301	(output_pubnames): Add parameter to deal with either pubnames or
5302	pubtypes, and change code to deal with table being a vector.
5303	(gen_array_type_die):  Add call to add_pubtype.
5304	(gen_enumeration_type_die): Add call to add_pubtype.
5305	(gen_struct_or_union_type_die): Add call to add_pubtype.
5306	(gen_subroutine_type_die): Add call to add_pubtype.
5307	(gen_typedef_die):  Add call to add_pubtype.
5308	(dwarf2out_init): Add code to initialize pubname_table and
5309	pubtype_table vectors; also initialize debug_pubtypes_section.
5310	(prune_unused_types):  Change to deal with pubnames being a vector.
5311	(dwarf2out_finish): Change to deal with pubnames being a vector; add
5312	pubnames table to call to output_pubnames;  Add code to output pubtypes
5313	table if DEBUG_PUBTYPES_SECTION is defined.
5314	* config/darwin.c (darwin_file_start):  Add DEBUG_PUBTYPES_SECTION to
5315	debugnames.
5316	* config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5317
53182006-11-14  Joseph Myers  <joseph@codesourcery.com>
5319
5320	* config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5321	iwmmxt_nregs if TARGET_IWMMXT_ABI.
5322	* config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5323	movv2si_internal): Support moves between core registers.
5324
53252006-11-14  Eric Christopher  <echristo@apple.com>
5326
5327	* configure: Regenerate with autoconf 2.59.
5328
53292006-11-14  Daniel Berlin  <dberlin@dberlin.org>
5330
5331	Fix PR tree-optimization/27755
5332
5333	* tree-ssa-pre.c: Update comments.
5334	(bb_bitmap_sets): Add pa_in and  deferred member.
5335	(BB_DEFERRED): New macro.
5336	(maximal_set): New variable.
5337	(pre_stats): Add pa_insert member.
5338	(bitmap_set_and): Short circuit orig == dest.
5339	(bitmap_set_subtract_values): New function.
5340	(bitmap_set_contains_expr): Ditto.
5341	(translate_vuses_through_block): Add phiblock argument.
5342	(dependent_clean): New function.
5343	(compute_antic_aux): Update for maximal_set changes.
5344	(compute_partial_antic_aux): New function.
5345	(compute_antic): Handle partial anticipation.
5346	(do_partial_partial_insertion): New function.
5347	(insert_aux): Handle partial anticipation.
5348	(add_to_sets): Add to maximal set.
5349	(compute_avail): Ditto.
5350	(init_pre): Initialize maximal_set.
5351	(execute_pre): Do partial anticipation if -O3+.
5352
53532006-11-14  Paolo Bonzini  <bonzini@gnu.org>
5354
5355	PR rtl-optimization/29798
5356
5357	* fwprop.c (use_killed_between): Check that DEF_INSN dominates
5358	TARGET_INSN before any other check.
5359	(fwprop_init): Always calculate dominators.
5360	(fwprop_done): Always free them.
5361
53622006-11-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5363
5364	* fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5365	COND_EXPR.
5366
53672006-11-13  DJ Delorie  <dj@redhat.com>
5368
5369	* config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5370	temporary for intermediates.
5371
53722006-11-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5373
5374	* config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5375	(sh_optimize_target_register_callee_saved): #if 0 the code
5376	using NOTE_INSN_LOOP_{BEG,END}.
5377
53782006-11-13  Roger Sayle  <roger@eyesopen.com>
5379
5380	* fold-const.c (optimize_bit_field_compare): Recursively call
5381	fold when simplifying non-constant comparisons between bit-fields.
5382
53832006-11-13  Jakub Jelinek  <jakub@redhat.com>
5384
5385	* configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5386	test.
5387	* configure: Rebuilt.
5388
53892006-11-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5390
5391	* config/rs6000/cell.md: New file.
5392	* config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5393	variable.
5394	(ppccell_cost): New cost matrix.
5395	(TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5396	(rs6000_override_options): Set rs6000_always_hint to false
5397	for cell. Also align functions/lables/loops to 8byte
5398	for the Cell. Use PROCESSOR_CELL.
5399	(rs6000_emit_epilogue): Rename using_mfcr_multiple to
5400	using_mtcr_multiple.
5401	(rs6000_variable_issue): If the insn is a nonpipelined instruction
5402	on the Cell, return 0.
5403	(rs6000_adjust_cost): Add Cell cost adjustments.
5404	(is_microcoded_insn): Return true for Cell microcoded
5405	instructions.
5406	(is_nonpipeline_insn): New function.
5407	(rs6000_issue_rate): Add PROCESSOR_CELL.
5408	(rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5409	instructions.
5410	(rs6000_use_sched_lookahead_guard): New function.
5411	(rs6000_sched_reorder):  Reorder the ready list, if the second
5412	to last ready insn is a nonepipeline insn on the Cell.
5413	* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5414	(ASM_CPU_SPEC): Add Cell.
5415	* config/rs6000/rs6000.md (cpu): Add Cell.
5416	(cell_micro): New Attr.
5417	Include cell.md
5418
54192006-11-13  Jakub Jelinek  <jakub@redhat.com>
5420
5421	* configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5422	style versions.
5423	* configure: Rebuilt.
5424
54252006-11-13  Richard Guenther  <rguenther@suse.de>
5426
5427	* config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5428	return value.
5429	(ix86_expand_lfloorceil): Likewise.
5430	(ix86_expand_rint): Likewise.
5431	(ix86_expand_floorceildf_32): Likewise.
5432	(ix86_expand_floorceil): Likewise.
5433	(ix86_expand_rounddf_32): Likewise.
5434	(ix86_expand_truncdf_32): Likewise.
5435	(ix86_expand_round): Likewise.
5436
54372006-11-13  Carlos O'Donell  <carlos@codesourcery.com>
5438	    Mark Mitchell  <mark@codesourcery.com>
5439
5440	* gcc.c: Organize search path variables into $prefix relative,
5441	and well-known native. Add comments.
5442	(add_sysrooted_prefix): Add comment.
5443	(process_command): If !gcc_exec_prefix add $prefix based paths.
5444	If *cross_compile == '0', add native well-known paths.
5445	Assert tooldir_base_prefix is always relative.
5446	(main): If print_search_dirs, and if gcc_exec_prefix is set,
5447	use this value for 'install:' path.
5448	* Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5449
54502006-11-13  H.J. Lu  <hongjiu.lu@intel.com>
5451
5452	* config/i386/i386.c: Fix a typo in comment.
5453
54542006-11-13  Michael Matz  <matz@suse.de>
5455
5456	* genemit.c (gen_expand): Allocate enough memory.
5457
54582006-11-13  Joseph Myers  <joseph@codesourcery.com>
5459
5460	* config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5461	__GXX_TYPEINFO_EQUALITY_INLINE but not
5462	__GXX_MERGED_TYPEINFO_NAMES.
5463	* config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5464	__GXX_MERGED_TYPEINFO_NAMES.
5465	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5466	__GXX_TYPEINFO_EQUALITY_INLINE.
5467
54682006-11-13  H.J. Lu  <hongjiu.lu@intel.com>
5469	    Zdenek Dvorak <dvorakz@suse.cz>
5470
5471	PR tree-optimization/29680
5472	* tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5473	PR 14784.
5474
54752006-11-12  Jason Merrill  <jason@redhat.com>
5476	    Andrew Pinski <pinskia@physics.uc.edu>
5477
5478	PR middle-end/28915
5479	* gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5480	vector ctors.
5481	* tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5482	vector ctors.
5483	* expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5484	* tree.c (build_vector): Handle non-_CST elements.
5485
54862006-11-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5487
5488	* genemit.c (gen_insn): Call gen_exp with a non-null used
5489	when handling multiple insns.
5490	(gen_expand): Likewise.
5491	* reorg.c (emit_delay_sequence): Copy the delay slot insn.
5492	* config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5493	(movsi_const_16bit+1): Copy operands[1].
5494	(call_pcrel): Copy the call_site pattern.
5495	(call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5496
54972006-11-12  Roger Sayle  <roger@eyesopen.com>
5498
5499	* fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5500	condition for transformations.  Use !HONOR_SIGN_DEPENDENT_ROUNDING
5501	&& !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5502	(fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5503
55042006-11-12  Daniel Berlin  <dberlin@dberlin.org>
5505
5506	Fix PR tree-optimization/29587
5507	* tree-ssa-structalias.c (process_constraint): Don't
5508	mark address taken due only to escaped vars constraint.
5509
55102006-11-12  Michael Matz  <matz@suse.de>
5511	    Roger Sayle  <roger@eyesopen.com>
5512
5513	PR rtl-optimization/29797
5514	* ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5515	BITS_BIG_ENDIAN targets.
5516
55172006-11-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5518
5519	* builtins.c (fold_builtin_cosh): New.
5520	(fold_builtin_1): Use it.
5521	* fold-const.c (negate_mathfn_p): Add llround, lround, round,
5522	trunc to the list of "odd" functions.  Also add llrint, lrint,
5523	rint and nearbyint when flag_rounding_math is false.
5524
55252006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5526
5527	* tree-flow.h (name_mappings_registered_p): Declare.
5528	* tree-into-ssa.c (name_mappings_registered_p): New function.
5529	* tree-cfg.c (tree_can_merge_blocks_p): Check
5530	name_mappings_registered_p instead of need_ssa_update_p.
5531
55322006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5533
5534	* tree-ssa-loop.c (tree_vectorize): Return the result of
5535	vectorize_loops.
5536	* tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5537	if anything changed.
5538	* tree-vectorizer.h (vectorize_loops): Declaration removed.
5539	* tree-flow.h (vectorize_loops): Declaration changed.
5540
55412006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5542
5543	* tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5544	comments.
5545	(issue_prefetch_ref): Move assignment to write_p out of loop.
5546	(determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5547	SIMULTANEOUS_PREFETCHES into account.
5548	(loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5549	* lambda-code.c (lcm): Renamed to ...
5550	(least_common_multiple): ... and exported.
5551	* tree-flow.h (least_common_multiple): Declare.
5552
55532006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5554
5555	* Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5556	* tree-ssa-loop-niter.c (derive_constant_upper_bound):  Follow
5557	ud-chains.  Handle AND_EXPR.
5558	(record_estimate): Record whether the estimate is realistic
5559	and whether it is derived from a loop exit.
5560	(record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5561	infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5562	functions.
5563	(compute_estimated_nb_iterations): Take only realistic bounds into
5564	account.  Set estimate_state.  Use double_ints.
5565	(infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5566	and infer_loop_bounds_from_signedness.  Do not consider basic blocks
5567	that do not have to be always executed.
5568	(estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5569	to determine whether to call infer_loop_bounds_from_undefined
5570	and compute_estimated_nb_iterations.
5571	(n_of_executions_at_most): Use double_ints.
5572	(free_numbers_of_iterations_estimates_loop): Set estimate_state.
5573	(substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5574	* double-int.c (double_int_to_tree): Improve comment.
5575	(double_int_fits_to_tree_p): New function.
5576	* double-int.h (double_int_fits_to_tree_p): Declare.
5577	* tree-data-ref.c: Include langhooks.h.
5578	(estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5579	(analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5580	(analyze_array): Do not pass estimate_only argument to
5581	analyze_array_indexes.
5582	(get_number_of_iters_for_loop): Build tree from the stored double_int
5583	value.
5584	(get_references_in_stmt, find_data_references_in_stmt): New functions.
5585	(find_data_references_in_loop): Use find_data_references_in_stmt.
5586	* tree-data-ref.h (struct data_ref_loc_d): New.
5587	(get_references_in_stmt): Declare.
5588	(estimate_iters_using_array): Declaration removed.
5589	* cfgloop.h (struct nb_iter_bound): Change type of bound to
5590	double_int.  Improve comments.  Add is_exit and realistic
5591	fields.
5592	(struct loop): Changed type of estimated_nb_iterations to double_int.
5593	Added estimate_state field.
5594	(record_estimate): Declaration removed.
5595
55962006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5597
5598	* params.c (set_param_value): Initialize the "set" field.
5599	* params.h (struct param_info): Add "set" field.
5600	(PARAM_SET_P): New macro.
5601	(PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5602	L1_CACHE_LINE_SIZE): New macros.
5603	* toplev.c (DEFPARAM): Initialize the "set" field.
5604	* tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5605	SIMULTANEOUS_PREFETCHES): Removed.
5606	(PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5607	(tree_ssa_prefetch_arrays): Dump the values of the parameters.
5608	* config/sparc/sparc.c: Include params.h.
5609	(sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5610	L1_CACHE_LINE_SIZE parameters.
5611	* config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5612	Removed.
5613	* config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5614	Removed.
5615	* config/i386/i386.c: Include params.h.
5616	(k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5617	(override_options): Set SIMULTANEOUS_PREFETCHES and
5618	L1_CACHE_LINE_SIZE parameters.
5619	* config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5620	(OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5621	L1_CACHE_LINE_SIZE parameters.
5622	* config/ia64/ia64.c (ia64_optimization_options): Set
5623	SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5624	* config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5625	Removed.
5626	* params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5627	PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5628	* doc/invoke.texi: Document new params.
5629
56302006-11-12  Roger Sayle  <roger@eyesopen.com>
5631
5632	PR tree-optimization/13827
5633	* fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5634	as ((X^Y)&C) op 0.
5635
56362006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5637
5638	* cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5639	update_single_exit_for_duplicated_loops): New functions.
5640	(duplicate_loop_to_header_edge): Use
5641	update_single_exit_for_duplicated_loops.
5642	* tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5643	functions only with ENABLE_CHECKING.
5644
56452006-11-12  Andreas Schwab  <schwab@suse.de>
5646
5647	* except.c (sjlj_emit_function_enter): Remove unused variable.
5648
56492006-11-11  Roger Sayle  <roger@eyesopen.com>
5650
5651	* fold-const.c (int_binop_types_match_p): New function.
5652	(size_binop): Relax constraint that both arguments must both have
5653	exactly the same sizetype type.  Instead use int_binop_types_match_p.
5654	(size_diffop): Likewise.
5655
5656	(make_range): Use build_int_cst instead of fold_convert.
5657	(fold_cond_expr_with_comparison): Use build_int_cst to construct
5658	integer constants of the correct type.
5659	(fold_div_compare): Likewise.
5660	(fold_single_bit_test): Likewise.
5661	(fold_binary): Likewise.
5662	* stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5663	has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5664
56652006-11-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5666
5667	PR rtl-opt/28812
5668	* alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5669	non null value if the struct memory access is in the 0th
5670	aliasing set.
5671
56722006-11-12  Jie Zhang  <jie.zhang@analog.com>
5673
5674	Revert
5675	2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5676	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5677	and __BFIN__.
5678
5679	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5680	instead of builtin_define for bfin and BFIN.
5681
56822006-11-11  Jie Zhang  <jie.zhang@analog.com>
5683
5684	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5685	and __BFIN__.
5686
56872006-11-11  Jan Hubicka  <jh@suse.cz>
5688
5689	* extend.texi (__builtin_expect): We no longer require second argument
5690	to be constant.
5691	* gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5692	* builtins.c (expand_builtin_expect): Simplify.
5693	(expand_builtin_expect_jump): Kill.
5694	* final.c (final_scan_insn): Do not skip the removed notes.
5695	* insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5696	EXPECTED_VALUE): Remove.
5697	* dojump.c (do_jump): Do not care about __builtin_expect.
5698	* predict.c (expected_value_to_br_prob): Kill.
5699	* function.c (expand_function_end): Do not expand
5700	NOTE_INSN_REPEATED_LINE_NUMBER.
5701	* print-rtl.c (print_rtx): Do not pretty print the removed notes.
5702	* expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5703	* cfgexpand.c (add_reg_br_prob_note): Export.
5704	* cfgcleanup.c (rest_of_handle_jump2): Do not call
5705	expected_value_to_br_prob.
5706	* cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5707	* rtl.h (add_reg_br_prob_note): Declare.
5708
57092006-11-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5710
5711	* tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5712
57132006-11-11  Jan Hubicka  <jh@suse.cz>
5714
5715	* predict.c (predict_loops): Kill RTL variant.
5716
57172006-11-11  Jan Hubicka  <jh@suse.cz>
5718
5719	* tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5720	* modulo-sched.c (find_line_note): Remove.
5721	(loop_canon_p): Do not worry about line number notes.
5722	(sms_schedule): Likewise.
5723	* cse.c (cse_main): Likewise.
5724	* regmove.c (fixup_match_1): Likewise
5725	* function.c (emit_return_info_block): Likewise.
5726	(expand_function_end): Likewise.
5727	(thread_prologue_an_epilogue_insns): Likewise.
5728	* cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5729	Likewise.
5730	* emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5731	emit_note_copy_after): Kill.
5732	(emit_note_copy): Do not worry about line numbers.
5733	* jump.c (purge_line_number_notes): Kill.
5734	(pass_purge_lineno_notes): Kill.
5735	* cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5736	call.
5737	* rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5738	* passes.c (init_optimization_passes): Don't purge_lineno_notes.
5739	* sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5740	* tree-pass.h (pass_purge_lineno_notes): Kill.
5741	* sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5742	rm_redundant_line_notes.
5743	* sched-rgb.c (schedule_region): Don't rm_line_notes,
5744	rm_redundant_line_notes.
5745	* sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5746	* haifa-sched.c: Update comment about handling notes.
5747 	(unlink_line_notes): Kill.
5748	(rm_line_notes): Kill.
5749	(save_line_notes): Simplify.
5750	(rm_redundant_line_notes): Kill.
5751
57522006-11-11  Richard Guenther  <rguenther@suse.de>
5753
5754	* tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5755	Remove unused tree codes.
5756	* tree-vrp.c (extract_range_from_unary_expr): Remove handling
5757	of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5758	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5759	* tree.c (stabilize_reference): Likewise.
5760	* fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5761	fold_unary): Likewise.
5762	* tree-gimple.c (is_gimple_cast): Likewise.
5763	* dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5764	* expr.c (expand_expr_real_1): Likewise.
5765	* tree-eh.c (tree_could_trap_p): Likewise.
5766	* gimplify.c (gimplify_expr): Likewise.
5767	* tree-inline.c (estimate_num_insns_1): Likewise.
5768	* tree-cfg.c (verify_expr): Likewise.
5769
57702006-11-11  Zdenek Dvorak <dvorakz@suse.cz>
5771
5772	* tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5773	* tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5774	(tree_ssa_prefetch_arrays): Do not dump for removed loops.
5775
57762006-11-11  Richard Sandiford  <richard@codesourcery.com>
5777
5778	PR middle-end/27528
5779	* stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5780	constraints accept neither registers or memories.
5781
57822006-11-11  Jie Zhang  <jie.zhang@analog.com>
5783
5784	* config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5785	(NO_PROFILE_COUNTERS): Define as 1.
5786
57872006-11-10  Roger Sayle  <roger@eyesopen.com>
5788
5789	* fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5790	Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5791
57922006-11-10  Peter Bergner  <bergner@vnet.ibm.com>
5793
5794	* rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5795
57962006-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5797
5798	* builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5799	(fold_builtin_hypot): Likewise.
5800	* fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5801
5802	* fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5803
58042006-11-10  Roger Sayle  <roger@eyesopen.com>
5805
5806	* tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5807	when attempting to build INTEGER_CSTs of non-integral types.
5808	* expmed.c (make_tree): Use the correct type, i.e. the inner
5809	type, when constructing the individual elements of a CONST_VECTOR.
5810
58112006-11-10  Jan Hubicka  <jh@suse.cz>
5812
5813	* cse.c (cse_process_notes): Copy the propagated value.
5814	* local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5815	in REG_EQUIV notes.
5816	* gcse.c (try_replace_reg): Copy the replacement.
5817	* i386.c (emit_i387_cw_initialization): Copy stored_mode.
5818	(assign_386_stack_local): Always return copied memory expression
5819	* function.c (instantiate_virtual_regs_in_insn): Copy the operand
5820	duplicates.
5821
58222006-11-10  Jan Hubicka  <jh@suse.cz>
5823
5824	* final.c (final): Walk from first instruction.
5825	* cfglayout.c (insn_locators_initialize): Remove line number notes.
5826
58272006-11-10  Uros Bizjak  <ubizjak@gmail.com>
5828
5829	PR target/29777
5830	* config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5831	to define_expand.
5832	(umulv8hi3_highpart): Ditto.
5833	(vec_widen_smult_hi_v8hi): New expander.
5834	(vec_widen_smult_lo_v8hi): Ditto.
5835
58362006-11-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5837
5838	PR middle-end/29335
5839	* builtins.c (do_mpfr_arg3): New.
5840	(fold_builtin_1): Handle builtins fma, fmin and fmax.
5841
58422006-11-09  Eric Christopher  <echristo@apple.com>
5843
5844	PR bootstrap/26892
5845	PR bootstrap/27814
5846	PR other/28994
5847	* configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5848	* config.gcc (powerpc64-*-darwin*): New target.
5849	* config.host: Ditto.
5850	* config/rs6000/darwin64.h: New file.
5851	* config/rs6000/x-darwin64: Ditto.
5852	* config/rs6000/host-ppc64-darwin.c: Ditto.
5853
58542006-11-09  Steve Ellcey  <sje@cup.hp.com>
5855
5856	* config/ia64/ia64.c (ia64_hpux_init_libfuncs):  Use HP-UX millicode
5857	routines for integer division.
5858
58592006-11-09  Daniel Jacobowitz  <dan@codesourcery.com>
5860
5861	* config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5862
58632006-11-09  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5864
5865	PR middle-end/29726
5866	* fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5867
58682006-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5869
5870	* simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5871	simplify_subreg with BLKmode outer mode.
5872
58732006-11-08  Brooks Moses  <brooks.moses@codesourcery.com>
5874
5875	* doc/invoke.texi: Minor formatting fixes in option lists.
5876
58772006-11-08  Zdenek Dvorak <dvorakz@suse.cz>
5878
5879	PR tree-optimization/29738
5880	* tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5881	(ccp_lattice_t): Remove UNKNOWN_VAL.
5882	(dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5883	Do not handle UNKNOWN_VAL.
5884	(get_default_value): Set initial value of virtual operands to
5885	VARYING.
5886	(get_value): Always use get_default_value on uninitialized
5887	operands.
5888	(set_value_varying, surely_varying_stmt_p): New functions.
5889	(set_lattice_value): Do not pass argument to get_value.
5890	Do not handle UNKNOWN_VAL.
5891	(likely_value): Follow the semantics described in the comment.
5892	(ccp_initialize): Use surely_varying_stmt_p.  Do not mark
5893	phi nodes DONT_SIMULATE_AGAIN.
5894	(ccp_fold): Do not pass argument to get_value.
5895	(fold_const_aggregate_ref, visit_assignment): Ditto.  Do not
5896	handle UNKNOWN_VAL.
5897
58982006-11-08  Andrew Pinski  <Andrew_Pinski@playstation.sony.com>
5899
5900	* tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5901	HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5902
59032006-11-08  Roger Sayle  <roger@eyesopen.com>
5904
5905	* tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5906	test for inclusion rather than as a test for exclusion.
5907	* tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5908	the condition after calling fold_binary.
5909	* fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5910	(fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5911	* builtins.c (fold_builtin_isascii): Likewise.
5912	(fold_builtin_isdigit): Likewise.
5913
59142006-11-08  Carlos O'Donell  <carlos@codesourcery.com>
5915
5916	* configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5917	* configure: Regenerate.
5918
59192006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
5920
5921	* tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5922	enum argument instead of bool.
5923	(vect_analyze_operations): Call vectorizable_type_promotion.
5924	* tree-vectorizer.h (type_promotion_vec_info_type): New enum
5925	stmt_vec_info_type value.
5926	(supportable_widening_operation, vectorizable_type_promotion): New
5927	function declarations.
5928	* tree-vect-transform.c (vect_gen_widened_results_half): New function.
5929	(vectorizable_type_promotion): New function.
5930	(vect_transform_stmt): Call vectorizable_type_promotion.
5931	* tree-vect-analyze.c (supportable_widening_operation): New function.
5932	* tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5933	Add implementation.
5934	* tree-vect-generic.c (expand_vector_operations_1): Consider correct
5935	mode.
5936
5937	* tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5938	(VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5939	* tree-inline.c (estimate_num_insns_1): Add cases for above new
5940	tree-codes.
5941	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5942	* expr.c (expand_expr_real_1): Likewise.
5943	* optabs.c (optab_for_tree_code): Likewise.
5944	(init_optabs): Initialize new optabs.
5945	* genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5946	vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5947	vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5948	vec_unpacku_lo_optab): Initialize new optabs.
5949	* optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5950	(OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5951	OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5952	optab indices.
5953	(vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5954	(vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5955	(vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5956	(vec_unpacku_lo_optab): New optabs.
5957	* doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5958	(vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5959	(vec_widen_smult_hi, vec_widen_smult_lo): New.
5960	* doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5961	(VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5962	(VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5963
5964	* config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5965	(UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5966	(UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5967	(UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5968	(vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5969	implement the unsigned unpacking patterns.
5970	(vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5971	(vec_unpacks_lo_v8hi): New signed unpacking patterns.
5972	(vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5973	(vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5974	(vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5975	(vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5976	(vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5977	(vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5978	multiplication patterns.
5979
5980	* target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5981	* target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5982	(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5983	* config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5984	(rs6000_builtin_mul_widen_odd): New.
5985	(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5986	(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5987	* tree-vectorizer.h (enum vect_relevant): New enum type.
5988	(_stmt_vec_info): Field relevant chaned from bool to enum
5989	vect_relevant.
5990	(STMT_VINFO_RELEVANT_P): Updated.
5991	(STMT_VINFO_RELEVANT): New.
5992	* tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5993	instead of STMT_VINFO_RELEVANT_P.
5994	* tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5995	Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5996	and boolean variable with enum vect_relevant.
5997	(vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5998	* doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5999	(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
6000
6001	2006-11-08  Richard Henderson  <rth@redhat.com>
6002
6003	* config/i386/sse.md (vec_widen_umult_hi_v8hi,
6004	vec_widen_umult_lo_v8hi): New.
6005	(vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
6006	vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
6007
6008	* config/i386/i386.c (ix86_expand_sse_unpack): New.
6009	* config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
6010	* config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
6011	vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
6012	vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
6013	vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
6014	vec_unpacks_lo_v4si): New.
6015
6016	2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6017
6018	* tree-vect-transform.c (vectorizable_type_demotion): New function.
6019	(vect_transform_stmt): Add case for type_demotion_vec_info_type.
6020	(vect_analyze_operations): Call vectorizable_type_demotion.
6021	* tree-vectorizer.h (type_demotion_vec_info_type): New enum
6022	stmt_vec_info_type value.
6023	(vectorizable_type_demotion): New function declaration.
6024	* tree-vect-generic.c (expand_vector_operations_1): Consider correct
6025	mode.
6026
6027	* tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
6028	* expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
6029	VEC_PACK_SAT_EXPR.
6030	* tree-iniline.c (estimate_num_insns_1): Likewise.
6031	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
6032	* optabs.c (optab_for_tree_code): Likewise.
6033
6034	* optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
6035	compared against the predicate of the result is not 'mode' (the input
6036	to the function) but a mode with half the size of 'mode'.
6037	(init_optab): Initialize new optabs.
6038	* optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
6039	New optab indices.
6040	(vec_pack_mod_optab, vec_pack_ssat_optab,  vec_pack_usat_optab): New
6041	optabs.
6042	* genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
6043	(vec_pack_usat_optab): Initialize new optabs.
6044	* doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
6045	* config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
6046
6047	2006-11-08  Richard Henderson  <rth@redehat.com>
6048
6049	* config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
6050	(vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
6051	(vec_interleave_highv8hi, vec_interleave_lowv8hi):
6052	(vec_interleave_highv4si, vec_interleave_lowv4si):
6053	(vec_interleave_highv2di, vec_interleave_lowv2di): New.
6054
6055	2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6056
6057	* tree-vect-transform.c (vectorizable_reduction): Support multiple
6058	datatypes.
6059	(vect_transform_stmt): Removed redundant code.
6060
6061	2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6062
6063	* tree-vect-transform.c (vectorizable_operation): Support multiple
6064	datatypes.
6065
6066	2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
6067
6068	* tree-vect-transform.c (vect_align_data_ref): Removed.
6069	(vect_create_data_ref_ptr): Added additional argument - ptr_incr.
6070	Updated function documentation. Return the increment stmt in ptr_incr.
6071	(bump_vector_ptr): New function.
6072	(vect_get_vec_def_for_stmt_copy): New function.
6073	(vect_finish_stmt_generation): Create a stmt_info to newly created
6074	vector stmts.
6075	(vect_setup_realignment): Call vect_create_data_ref_ptr with additional
6076	argument.
6077	(vectorizable_reduction, vectorizable_assignment): Not supported yet if
6078	VF is greater than the number of elements that can fit in one vector
6079	word.
6080	(vectorizable_operation, vectorizable_condition): Likewise.
6081	(vectorizable_store, vectorizable_load): Support the case that the VF
6082	is greater than the number of elements that can fit in one vector word.
6083	(vect_transform_loop): Don't fail in case of multiple data-types.
6084	* tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
6085	in case of multiple data-types; the smallest type determines the VF.
6086	(vect_analyze_data_ref_dependence): Don't record datarefs as same_align
6087	if they are of different sizes.
6088	(vect_update_misalignment_for_peel): Compare misalignments in terms of
6089	number of elements rather than number of bytes.
6090	(vect_enhance_data_refs_alignment): Fix/Add dump printouts.
6091	(vect_can_advance_ivs_p): Fix a dump printout
6092
60932006-11-07  Eric Christopher  <echristo@apple.com>
6094
6095	* libgcc2.c (__bswapdi2): Rename from bswapDI2.
6096	(__bswapsi2): Ditto.
6097	* libgcc2.h: Remove transformation of bswap routines.
6098	* config/i386/i386.md (bswapsi2): New.
6099	(bswapdi2): Ditto.
6100
61012006-11-07  Jakub Jelinek  <jakub@redhat.com>
6102
6103	* c-common.c (c_common_attributes): Add gnu_inline attribyte.
6104	(handle_gnu_inline_attribute): New function.
6105	* c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
6106	(merge_decls, start_decl, start_function): Likewise.
6107	* doc/extend.texi: Document gnu_inline attribute.
6108
61092006-11-07  Steve Ellcey  <sje@cup.hp.com>
6110
6111	PR other/25028
6112	* config/ia64/t-hpux (LIB1ASMFUNCS):  Filter out _fixtfdi,
6113	_fixunstfdi, and  _floatditf
6114
61152006-11-06  Anatoly Sokolov <aesok@post.ru>
6116
6117	* config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
6118	prototype.
6119	* config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
6120	(output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
6121	lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
6122	which start in an odd register.
6123
61242006-11-07  Richard Sandiford  <richard@codesourcery.com>
6125
6126	* config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
6127
61282006-11-07  Josh Conner  <jconner@apple.com>
6129
6130	* doc/invoke.texi (fstrict-aliasing): Move implementation
6131	details...
6132	* doc/tree-ssa.texi (Alias analysis): ...here.
6133
61342006-11-07  Richard Guenther  <rguenther@suse.de>
6135
6136	PR tree-optimization/29610
6137	* tree-cfgcleanup.c (cleanup_control_flow): Honor return value
6138	of tree_purge_dead_eh_edges as it may free dominators.
6139
6140	* g++.dg/other/pr29610.C: New testcase.
6141
61422006-11-07  David Ung  <davidu@mips.com>
6143
6144	* config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
6145	costs when optimizing for size.
6146	(override_options): Use mips_rtx_cost_optimize_size table for cost
6147	calculations.
6148
61492006-11-07  Jie Zhang  <jie.zhang@analog.com>
6150
6151	* gcc.c (process_command): Treat -b as normal switch if its argument
6152	has no dash.
6153
61542006-11-07  David Ung  <davidu@mips.com>
6155
6156	* config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
6157	list.
6158
61592006-11-06  Eric Christopher  <echristo@apple.com>
6160
6161	* config.gcc: Add x86_64-darwin host support.
6162	* config.host: Ditto.
6163	* config/i386/darwin64.h: New file.
6164	* config/i386/t-darwin64: Ditto.
6165
61662006-11-06  Janis Johnson  <janis187@us.ibm.com>
6167
6168	* gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
6169	and output-exists-not.
6170
61712006-11-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6172
6173	PR tree-opt/29439
6174	* tree-vrp.c (vrp_int_const_binop): Use the correct tree when
6175	checking for overflow.
6176
61772006-11-06  Jan van Dijk  <jan@etpmod.phys.tue.nl>
6178
6179	* configure.ac: Fixed typo in case statement: :: changed to ;;
6180
61812006-11-06  Bob Wilson  <bob.wilson@acm.org>
6182
6183	* longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
6184	count_leading_zeros, and count_trailing_zeros.
6185	* config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
6186	(TARGET_FOLD_BUILTIN): Define.
6187	(TARGET_EXPAND_BUILTIN): Define.
6188	(xtensa_init_builtins): New.
6189	(xtensa_fold_builtin): New.
6190	(xtensa_expand_builtin): New.
6191	(xtensa_rtx_costs): Add CTZ and CLZ.  Adjust costs for MULT.
6192	* config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
6193	(CLZ_DEFINED_VALUE_AT_ZERO): Define.
6194	(CTZ_DEFINED_VALUE_AT_ZERO): Define.
6195	* config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
6196	(any_extend): New code macro.
6197	(u, su): New code attributes.
6198	(<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
6199	(nsau): Remove; replaced by clzsi2.
6200	(ffssi2): Use clzsi2.
6201	* config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
6202	_clzsi2, _ctzsi2, and _ffssi2.  Rename _nsau to _clz.
6203	* config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
6204	(__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
6205	(__nsau_data): Guard with ifdef L_clz instead of L_nsau.
6206
62072006-11-06  Vladimir Prus  <vladimir@codesourcery.com>
6208
6209	* config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
6210	set inhibit_libc.
6211	* config/arm/t-strongarm-elf: Likewise.
6212	* config/arm/t-pe: Likewise.
6213	* config/arm/t-arm-elf: Likewise.
6214	* config/arm/t-xscale-elf: Likewise.
6215	* config/arm/t-arm-coff: Likewise.
6216	* config/arm/t-xscale-coff: Likewise.
6217	* config/arm/t-wince-pe: Likewise.
6218
62192006-11-05  Kaz Kojima  <kkojima@gcc.gnu.org>
6220
6221	* config/sh/lib1funcs-4-300.asm: Guard entire file with
6222	#if !__SHMEDIA__ .
6223
62242006-11-05  Jakub Jelinek  <jakub@redhat.com>
6225
6226	PR middle-end/29695
6227	* fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
6228	simplification.
6229
62302006-11-04  Uros Bizjak  <ubizjak@gmail.com>
6231
6232	PR target/26915
6233	* config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
6234	as a valid 80387 constant.
6235	(standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
6236	* config/i386/i386.md (unnamed splitter): Split the load of
6237	constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
6238	by negation.
6239
62402006-11-04  Richard Earnshaw  <rearnsha@arm.com>
6241
6242	* arm.c (thumb_legitimate_addres_p): Allow any constant offset
6243	from the soft-frame, argument and virtual registers.
6244
62452006-11-04  Uros Bizjak  <ubizjak@gmail.com>
6246
6247	* config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
6248	patterns for standard 80387 constants.
6249
62502006-11-03  Paolo Bonzini  <bonzini@gnu.org>
6251	    Steven Bosscher  <steven@gcc.gnu.org>
6252
6253	* fwprop.c: New file.
6254	* Makefile.in: Add fwprop.o.
6255	* tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
6256	* passes.c (init_optimization_passes): Schedule forward propagation.
6257	* rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
6258	parameter.
6259	* timevar.def (TV_FWPROP): New.
6260	* common.opt (-fforward-propagate): New.
6261	* opts.c (decode_options): Enable forward propagation at -O2.
6262	* gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
6263	* cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
6264	canon_for_address, table_size): Remove.
6265	(new_basic_block, insert, remove_from_table): Remove references to
6266	table_size.
6267	(fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
6268	simplification loop more straightforward by not calling fold_rtx
6269	recursively.
6270	(equiv_constant): Move here a small part of fold_rtx_subreg,
6271	do not call fold_rtx.  Call avoid_constant_pool_reference
6272	to process MEMs.
6273	* recog.h (canonicalize_change_group): New.
6274
6275	* doc/invoke.texi (Optimization Options): Document fwprop.
6276	* doc/passes.texi (RTL passes): Document fwprop.
6277
62782006-11-03  Geoffrey Keating  <geoffk@apple.com>
6279
6280	* c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
6281	(merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
6282	(grokdeclarator): Likewise.
6283
62842006-11-03  Steven Bosscher  <steven@gcc.gnu.org>
6285
6286	* tree-dump.c (dump_enable_all): Rename local variable
6287	ir_type to avoid name conflicts.
6288	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6289	instead of using ir_type().
6290	* profile.c (tree_register_profile_hooks): Likewise.
6291	* value-prof.c (tree_register_value_prof_hooks): Likewise.
6292	* basic-block.h (struct edge_def): Likewise.
6293	* config/arm/arm.c (legitimize_pic_address): Likewise.
6294	* coretypes.h (ir_type): New enum of all intermediate languages
6295	used in GCC.
6296	* cfghooks.c (ir_type): Rename to...
6297	(current_ir_type): ...this.  Distinguish between cfgrtl and
6298	cfglayout mode when the current IR is RTL.  Return enum ir_type.
6299	* cfghooks.h (ir_type): Replace with current_ir_type prototype.
6300
63012006-11-03  Paul Brook  <paul@codesourcery.com>
6302
6303	* config/arm/arm.c (arm_file_start): New function.
6304	(TARGET_ASM_FILE_START): Define.
6305	(arm_default_cpu): New variable.
6306	(arm_override_options): Set arm_default_cpu.
6307
63082006-11-03  David Ung  <davidu@mips.com>
6309
6310	* config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6311	PROCESSOR_24KC and PROCESSOR_24KF.
6312	* config/mips/mips.c (mips_cpu_info_table): Add processor names
6313	and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6314	(mips_rtx_cost_data): Add costs for the 24kc.
6315	* config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6316	* config/mips/24k.md: Remove references to 24k and replace with
6317	uses of 24kc/24kf in the appropriate reservations.
6318	* doc/invoke.texi (MIPS Options): Updated.
6319
63202006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
6321
6322	* config/sh/crt1.asm: Fix #ifdef indent.
6323
63242006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
6325	Merged from STMicroelectronics sources:
6326	2006-10-06  Andrew Stubbs  <andrew.stubbs@st.com>
6327	  * config/sh/crt1.asm (vbr_600): Add missing #if.
6328	2006-08-03  J"orn Rennecke  <joern.rennecke@st.com>
6329	  * sh.opt (mfused-madd): New option.
6330	  * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6331	2006-07-04  Andrew Stubbs  <andrew.stubbs@st.com>
6332	  * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6333	  Remove pointless handler at VBR+0.
6334	  (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6335	  (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6336	  fr7. Make sure the timer handler is called with the correct FPU
6337	  precision setting, according to the ABI.
6338	2006-06-14  J"orn Rennecke <joern.rennecke@st.com>
6339	  * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6340	  * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6341	  (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6342	2006-06-09  J"orn Rennecke <joern.rennecke@st.com>
6343	  * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
6344	  zero as second operand.
6345	2006-04-28  J"orn Rennecke <joern.rennecke@st.com>
6346	  * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6347	  Fixed some bugs related to negative values, in particular -0
6348	  and overflow at -0x80000000.
6349	  * config/sh/divcost-analysis: Added sh4-300 figures.
6350	2006-04-27  J"orn Rennecke <joern.rennecke@st.com>
6351	  * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6352	2006-04-26  J"orn Rennecke <joern.rennecke@st.com>
6353	  * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6354	  ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6355	  * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6356	New files.
6357	  * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6358	  -m4-340.
6359	2006-04-24  J"orn Rennecke <joern.rennecke@st.com>
6360	  SH4-300 scheduling description & fixes to SH4-[12]00 description:
6361	  * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6362	  mac_mem, mem_mac, dfp_mul, fp_cmp.
6363	  (insn_class, dfp_comp, any_fp_comp): Update.
6364	  (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6365	  (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6366	  (muldf3_i): Likewise.
6367	  (movsi_i): Split rI08 alternative into two separate alternatives.
6368	  Update type.
6369	  (movsi_ie, movsi_i_lowpart): Likewise.
6370	  (movqi_i): Split ri alternative into two separate alternatives.
6371	  Update type.
6372	  * sh1.md (sh1_load_store, sh1_fp): Update.
6373	  * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6374	  (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6375	  * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6376	  (sh4a_fp_double_arith): Likewise.
6377	  * sh4-300.md: New file.
6378	  * sh.c (sh_handle_option): Handle m4-300* options.
6379	  (sh_adjust_cost): Fix latency of auto-increments.
6380	  Handle SH4-300 differently than other SH4s.  Check for new insn types.
6381	  * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6382	  been set by an option.
6383	  * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6384	  (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6385	  (mbranch-cost=): Likewise.
6386	  * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6387
6388	  * sh.md (mulsf3): Remove special expansion code.
6389	  (mulsf3_ie): Now a define_insn_and_split.
6390	  (macsf3): Allow for TARGET_SH4.
6391
6392	  * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6393	  * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6394	  (expand_cbranchdi4): Likewise.
6395	  (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6396	  CONST_DOUBLE if the outer code is COMPARE.
6397	  * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6398	  TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6399	  (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6400	  (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6401	  Remove redundant fp_{zero,one}_operand checks.
6402	  * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6403	  * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6404	  (expand_cbranchdi4): Likewise.
6405	2006-04-20  J"orn Rennecke <joern.rennecke@st.com>
6406	  * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6407
64082006-11-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6409
6410	* doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6411	constraints.
6412
64132006-11-02  Brooks Moses  <brooks.moses@codesourcery.com>
6414
6415	* doc/invoke.texi: Fix mfp-trap-mode typo.
6416
64172006-11-02  Carlos O'Donell  <carlos@codesourcery.com>
6418
6419	* config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6420	* arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6421	file_end_indicate_exec_stack.
6422	* arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6423	Define as 0.
6424	* lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6425	for a non-executable stack.
6426	* crti.asm: Likewise.
6427	* crtn.asm: Likewise.
6428	* libunwind.S: Likewise.
6429
64302006-11-02  Ben Elliston  <bje@au.ibm.com>
6431
6432	* tree-ssa.c (warn_uninit): Use expand_location variables for
6433	locus and declaration locus.
6434
64352006-11-02  Kaz Kojima  <kkojima@gcc.gnu.org>
6436
6437	PR target/27405
6438	* config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6439	(cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6440	cmp{eq,gt,gtu}{si,di}_media.
6441	(*cmpne0si_media): Remove.
6442	(*movsicc_umin): Adjust gen_cmp*_media call.
6443	(unordered): Change the mode of unordered and operands[1] to
6444	SImode.
6445	(seq): Adjust gen_cmp*_media calls.  Make the mode of
6446	a temporary result of compare SImode if needed.  If the mode
6447	of operands[0] is DImode, extend the temporary result to DImode.
6448	(slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6449	(sunorderd): Change the mode of match_operand and unorderd to
6450	SImode.
6451	(cmpeq{sf,df}_media): Remove.
6452	(cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6453	(cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6454	and compare operation to SImode.
6455
64562006-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
6457
6458	* doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6459	instructions.
6460	(sparc64-sun-solaris2*): Likewise.
6461
64622006-11-02  Paul Brook  <paul@codesourcery.com>
6463
6464	* config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6465	from priority argument.  Use different section for non-default
6466	priority.
6467	* config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6468
64692006-11-02  Eric Botcazou  <ebotcazou@adacore.com>
6470
6471	PR other/29639
6472	* except.c (switch_to_exception_section): Do not cache the section
6473	if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6474	and flag_function_sections is set.
6475
64762006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6477
6478	PR middle-end/29335
6479	* builtins.c (do_mpfr_sincos): New.
6480	(fold_builtin_1): Use it to fold builtin sincos.
6481
64822006-11-01  Roger Sayle  <roger@eyesopen.com>
6483
6484	* config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6485	it into -D_REENTRANT.
6486
64872006-11-01  Roger Sayle  <roger@eyesopen.com>
6488
6489	* configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6490	whether the assembler supports taking the difference of symbols in
6491	different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
6492	* configure: Regenerate.
6493	* config.in: Regenerate.
6494	* config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6495	the assembler doesn't support taking the difference of symbols in
6496	different sections, i.e. we're using the native solaris assembler.
6497
64982006-11-01  Pete Steinmetz  <steinmtz@us.ibm.com>
6499	    Peter Bergner  <bergner@vnet.ibm.com>
6500
6501	* doc/invoke.texi: Add cpu_type power6x
6502	(RS/6000 and PowerPC Options): Add -mmfpgpr.
6503	* config.gcc: Add cpu_type power6x.
6504	* configure.ac: Add test for mf{t,f}gpr instructions.
6505	(HAVE_AS_MFPGPR): New.
6506	* config.in: Regenerate.
6507	* configure: Regenerate.
6508	* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6509	* config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6510	shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6511	and mftgpr attributes.
6512	(define_attr "cpu"): Add power6.
6513	Change instruction sequences to use new attributes.
6514	(floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6515	(fix_truncdfsi2_mfpgpr): New.
6516	(floatsidf_ppc64_mfpgpr): New.
6517	(floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6518	(movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6519	(movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6520	(movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6521	(fix_truncdfsi2): Use gpc_reg_operand constraint.
6522	* config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6523	7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6524	Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6525	cntlz,exts and var_delayed_compare.
6526	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6527	_ARCH_PWR6X, if features enabled.
6528	* config/rs6000/rs6000.opt (mmfpgpr): New.
6529	* config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6530	(cached_can_issue_more): New variable.
6531	(processor_costs): Add power6_cost.
6532	(rs6000_sched_init): New function.
6533	(is_dispatch_slot_restricted): Deleted.
6534	(set_to_load_agen): New function.
6535	(is_load_insn,is_store_insn): New functions.
6536	(adjacent_mem_locations): New function.
6537	(insn_must_be_first_in_group): New function.
6538	(insn_must_be_last_in_group): New function.
6539	(rs6000_sched_reorder): New function.
6540	(rs6000_sched_reorder2): New function.
6541	(TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6542	TARGET_SCHED_REORDER2): Define.
6543	(processor_target_table): Use PROCESSOR_POWER6 for power6.
6544	Add power6x. Add MASK_MFPGPR for power6x.
6545	(POWERPC_MASKS): Add MASK_MFPGPR.
6546	(rs6000_override_options): Set rs6000_always_hint to false
6547	for power6.  Set rs6000_align_branch_targets. Replace
6548	rs6000_sched_groups check with rs6000_align_branch_targets.
6549	Use PROCESSOR_POWER6.
6550	(last_scheduled_insn): New variable.
6551	(load_store_pendulum): New variable.
6552	(rs6000_variable_issue): Set last_scheduled_insn and
6553	cached_can_issue_more.
6554	(rs6000_adjust_cost): Add power6 cost adjustments.
6555	(rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6556	with insn_must_be_first_in_group. Add power6 priority adjustments.
6557	(rs6000_issue_rate): Add CPU_POWER6.
6558	(insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6559	* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6560	(TARGET_MFPGPR): New.
6561	(SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6562	(ASM_CPU_SPEC): Add power6x.
6563	(SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6564	conditions.
6565	* config/rs6000/power6.md: New file.
6566
65672006-11-01  Adam Nemet  <anemet@caviumnetworks.com>
6568
6569	* tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6570	HOST_WIDE_INT_PRINT to print high and low parts.  Use
6571	HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
6572	printing a hexadecimal number prefix it with 0x.
6573
65742006-11-01  Chris Johns <chris@contemporary.net.au>
6575
6576	PR bootstrap/28400
6577	* Makefile.in (install-driver): Use exeext when installing
6578	$target-gcc-$version.
6579
65802006-11-01	Douglas Gregor <doug.gregor@gmail.com>
6581
6582	* c-common.c (flag_cpp0x): New.
6583	* c-common.h (flag_cpp0x): New.
6584	* c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6585	supported, define __GXX_EXPERIMENTAL_CPP0X__.
6586	* c-opts.c (set_std_cxx0x): New.
6587	(c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6588	* c.opt (std=c++0x): Document.
6589	(std=gnu++0x): Ditto.
6590	* doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6591	* doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6592
65932006-11-01  Richard Guenther  <rguenther@suse.de>
6594
6595	* config/i386/i386.c (ix86_expand_rint): Fix issues with
6596	signed zeros.
6597	(ix86_expand_floorceildf_32): Likewise.
6598	(ix86_expand_floorceil): Likewise.
6599	(ix86_expand_trunc): Likewise.
6600
66012006-10-31  Andrew Pinski  <pinskia@gmail.com>
6602
6603	* doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6604	to "GNU C89".
6605
66062006-11-01  Danny Smith  <dannysmith@users.sourceforge.net>
6607
6608	* target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6609	hook.
6610	* target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6611	default.
6612	* config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6613	Override default.
6614	* doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6615	* configure.ac (use_cxa_atexit): As a special case, don't test
6616	for libc definition of __cxa_atexit on mingw32
6617	* configure: Regenerate.
6618	* config.gcc (i[34567]86-pc-mingw32): Default to
6619	enable__cxa_atexit=yes.
6620
66212006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6622
6623	* builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6624
66252006-10-31  Geoffrey Keating  <geoffk@apple.com>
6626
6627	PR 23067
6628	* c-decl.c (start_struct): Don't create self-containing
6629	structures.
6630	* config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6631	New.
6632	* config/rs6000/rs6000-protos.h
6633	(darwin_rs6000_special_round_type_align): New.
6634	* config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6635	(ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6636
66372006-10-31  Geoffrey Keating  <geoffk@apple.com>
6638
6639	* toplev.c (compile_file): Call final_write_globals
6640	even if there have been errors.
6641
66422006-10-31  Eric Christopher  <echristo@apple.com>
6643	    Falk Hueffner  <falk@debian.org>
6644
6645	* doc/extend.texi (__builtin_bswap32): Document.
6646	(__builtin_bswap64): Ditto.
6647	* doc/libgcc.texi (bswapsi2): Document.
6648	(bswapdi2): Ditto.
6649	* doc/rtl.texi (bswap): Document.
6650	* optabs.c (expand_unop): Don't widen a bswap.
6651	(init_optabs): Init bswap. Set libfuncs explicitly
6652	for bswapsi2 and bswapdi2.
6653	* optabs.h (OTI_bswap): New.
6654	(bswap_optab): Ditto.
6655	* genopinit.c (optabs): Handle bswap_optab.
6656	* tree.h (tree_index): Add TI_UINT32_TYPE and
6657	TI_UINT64_TYPE.
6658	(uint32_type_node): New.
6659	(uint64_type_node): Ditto.
6660	* tree.c (build_common_tree_nodes_2): Initialize
6661	uint32_type_node and uint64_type_node.
6662	* builtins.c (expand_builtin_bswap): New.
6663	(expand_builtin): Call.
6664	(fold_builtin_bswap): New.
6665	(fold_builtin_1): Call.
6666	* fold-const.c (tree_expr_nonnegative_p): Return true
6667	for bswap.
6668	* builtin-types.def (BT_UINT32): New.
6669	(BT_UINT64): Ditto.
6670	(BT_FN_UINT32_UINT32): Ditto.
6671	(BT_FN_UINT64_UINT64): Ditto.
6672	* builtins.def (BUILT_IN_BSWAP32): New.
6673	(BUILT_IN_BSWAP64): Ditto.
6674	* rtl.def (BSWAP): New.
6675	* genattrtab.c (check_attr_value): New.
6676	* libgcc2.c (__bswapSI2): New.
6677	(__bswapDI2): Ditto.
6678	* libgcc2.h (__bswapSI2): Declare.
6679	(__bswapDI2): Ditto.
6680	* mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6681	* simplify-rtx.c (simplify_const_unary_operation): Return
6682	0 for BSWAP.
6683	* libgcc-std.ver (__bwapsi2): Add.
6684	(__bswapdi2): Ditto.
6685	* reload1.c (eliminate_regs_1): Add bswap.
6686	(elimination_effects): Ditto.
6687	* config/i386/i386.h (x86_bswap): New.
6688	(TARGET_BSWAP): Use.
6689	* config/i386/i386.c (x86_bswap): Set.
6690
66912006-10-31  Geoffrey Keating  <geoffk@apple.com>
6692
6693	* coverage.c (coverage_checksum_string): Update comment.
6694	* dwarf2out.c (switch_to_eh_frame_section): Update for removal
6695	of get_file_function_name.
6696	* cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6697	of get_file_function_name_long.
6698	* tree.c (get_file_function_name): Rename from
6699	get_file_function_name_long; improve comment; handle 'I' and 'D'
6700	specially when the target has ctor/dtor support; remove special
6701	handling for 'F'.
6702	(get_file_function_name): Remove.
6703	* tree.h (get_file_function_name): Rename from
6704	get_file_function_name_long.
6705	(get_file_function_name): Remove prototype.
6706
67072006-10-31  Geoffrey Keating  <geoffk@apple.com>
6708
6709	* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6710	* config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6711
6712	* config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6713	Call dsymutil when compiling and linking one or more source files
6714	in one step.
6715
67162006-10-31  Geoffrey Keating  <geoffk@apple.com>
6717
6718	PR 15834
6719	* config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6720
67212006-10-31  Geoffrey Keating  <geoffk@apple.com>
6722
6723	* c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6724	inline static functions in c99 mode.
6725
6726	PR 16622
6727	* doc/extend.texi (Inline): Update.
6728	* c-tree.h (struct language_function): Remove field 'extern_inline'.
6729	* c-decl.c (current_extern_inline): Delete.
6730	(pop_scope): Adjust test for an undefined nested function.
6731	Add warning about undeclared inline function.
6732	(diagnose_mismatched_decls): Update comments.  Disallow overriding
6733	of inline functions in a translation unit in C99.  Allow inline
6734	declarations in C99 at any time.
6735	(merge_decls): Boolize variables.  Handle C99 'extern inline'
6736	semantics.
6737	(grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
6738	C99 inline semantics.
6739	(start_function): Don't clear current_extern_inline.  Don't set
6740	DECL_EXTERNAL.
6741	(c_push_function_context): Don't push current_extern_inline.
6742	(c_pop_function_context): Don't restore current_extern_inline.
6743
6744	PR 11377
6745	* c-typeck.c (build_external_ref): Warn about static variables
6746	used in extern inline functions.
6747	* c-decl.c (start_decl): Warn about static variables declared
6748	in extern inline functions.
6749
67502006-10-31  Roger Sayle  <roger@eyesopen.com>
6751
6752	PR middle-end/23470
6753	* tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6754	* fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
6755	pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6756	or y is an even integer.
6757
67582006-10-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
6759
6760	PR target/24071
6761	* gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6762	* gthr-posix95.h (__gthread_active_p): Likewise.
6763
67642006-10-31  Richard Guenther  <rguenther@suse.de>
6765
6766	* config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6767	acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6768	expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6769	exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6770	ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6771	lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6772	lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6773	btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6774	!optimize_size.
6775
67762006-10-31  Steven Bosscher  <steven@gcc.gnu.org>
6777
6778	* opts.c (decode_options): Disable CSE skip blocks.
6779
67802006-10-30  Dirk Mueller  <dmueller@suse.de>
6781
6782	* c-common.h (strict_aliasing_warning): Fix whitespace.
6783	* c-decl (start_function): Move code for main decl warning ..
6784	* c-common.c (check_main_parameter_types): .. here.
6785	* c-common.h (check_main_parameter_types): Declare.
6786
67872006-10-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6788
6789	PR middle-end/29335
6790	* builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6791
67922006-10-30  Pete Steinmetz  <steinmtz@us.ibm.com>
6793
6794	* recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6795	be a PARALLEL containing sets.	Return false when out_pat is not
6796	a PARALLEL insn.
6797
67982006-10-30  Richard Sandiford  <richard@codesourcery.com>
6799
6800	* config/mips/mips.md (mul<mode>3): Split into...
6801	(mulsi3, muldi3): ...these separate patterns.
6802
68032006-10-30  Richard Sandiford  <richard@codesourcery.com>
6804
6805	* config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6806	but with each set of options separated by spaces.
6807
68082006-10-30  J"orn Rennecke  <joern.rennecke@st.com>
6809
6810	* unwind-dw2.c (uw_init_context_1): Fix test that checks if
6811	dwarf_reg_size_table has been initialized.
6812
68132006-10-30  Roger Sayle  <roger@eyesopen.com>
6814
6815	* builtins.c (expand_builtin_mathfn_3): Correct coding style.
6816	* ddg.c (print_ddg_edge): Likewise.
6817	* dwarf2out.c (prune_unused_types_walk): Likewise.
6818	* ifcvt.c (noce_try_cmove_arith): Likewise.
6819	* langhooks.c (add_builtin_function): Likewise.
6820	* reg-stack.c (subst_stack_regs_pat): Likewise.
6821	* tree.c (expanded_location): Likewise.
6822	* tree-dump.c (dequeue_and_dump): Likewise.
6823
68242006-10-30  David Daney  <ddaney@avtrex.com>
6825
6826	* config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6827
68282006-10-30  Jakub Jelinek  <jakub@redhat.com>
6829
6830	PR tree-optimization/29637
6831	* tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6832	of the innertype is the innertype itself.
6833
68342006-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
6835
6836	* dwarf2out.c (file_name_acquire): Correct typo.
6837
68382006-10-29  Daniel Berlin  <dberlin@dberlin.org>
6839
6840	* tree.h (tree_value_handle): Remove struct value_set declaration.
6841	Change value_set to bitmap_set.
6842	* tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6843	* tree-vn.c (get_value_handle): Made inline and moved to
6844	tree-flow-inline.h.
6845	* tree-flow-inline.h: (has_stmt_ann): New function.
6846	* tree-ssa-pre.c (expressions): New variable.
6847	(next_expression_id): Ditto.
6848	(alloc_expression_id): New function.
6849	(struct value_set): Remove.
6850	(get_expression_id): New function.
6851	(get_or_alloc_expression_id): Ditto.
6852	(expression_for_id): Ditto.
6853	(clear_expression_ids): Ditto.
6854	(FOR_EACH_EXPR_ID_IN_SET): New macro.
6855	(bb_value_sets): Renamed to bb_bitmap_sets.
6856	All value sets replaced with bitmap_sets.
6857	Add visited member.
6858	(BB_VISITED): New macro.
6859	(postorder): New variable.
6860	(add_to_value): Removed.
6861	(value_exists_in_set_bitmap): Ditto.
6862	(value_insert_into_set_bitmap): Ditto.
6863	(set_new): Ditto.
6864	(set_copy): Ditto.
6865	(set_remove): Ditto.
6866	(set_contains_value): Ditto.
6867	(insert_into_set): Ditto.
6868	(set_equal): Ditto.
6869	(find_leader): Ditto.
6870	(bitmap_set_subtract_from_value_set): Ditto.
6871	(value_insert_into_set): Ditto.
6872	(print_value_set): Ditto.
6873	(debug_value_set): Ditto.
6874	(constant_expr_p): New function.
6875	(bitmap_remove_from_set): Ditto.
6876	(bitmap_insert_into_set): Ditto.
6877	(bitmap_set_free): Ditto.
6878	(vh_compare): Ditto.
6879	(sorted_array_from_bitmap_set): Ditto.
6880	(bitmap_set_subtract): Ditto.
6881	(bitmap_set_equal): Ditto.
6882	(debug_bitmap_set): Ditto.
6883	(find_leader_in_sets): Ditto.
6884	(bitmap_set_replace_value): Modify for bitmapped sets.
6885	(phi_translate): Ditto.
6886	(phi_translate_set): Ditto.
6887	(bitmap_find_leader): Ditto.
6888	(valid_in_sets): Ditto.
6889	(union_contains_value): Ditto.
6890	(clean): Ditto.
6891	(compute_antic_aux): Ditto.  Mark changed blocks.
6892	(compute_antic): Ditto. Iterate in postorder and only over
6893	changing blocks.
6894	(compute_rvuse_and_antic_safe): Reuse postorder.
6895	(create_component_ref_by_pieces): Modify for bitmapped sets.
6896	(find_or_generate_expression): Ditto.
6897	(create_expression_by_pieces): Ditto.
6898	(insert_into_preds_of_block): Ditto.
6899	(changed_blocks): New variable.
6900	(do_regular_insertion): Broken out from insert_aux.
6901	(insert_aux): Modified for bitmapped sets.
6902	(find_existing_value_expr): New function.
6903	(create_value_expr_from): Use it.
6904	(insert_extra_phis): Removed.
6905	(print_bitmap_set): Renamed from bitmap_print_value_set.
6906	(compute_avail): Handle RETURN_EXPR.
6907	(init_pre): Modify for bitmapped sets.
6908	* tree-flow.h (has_stmt_ann): New function.
6909
69102006-10-29  Roger Sayle  <roger@eyesopen.com>
6911
6912	* builtins.c (fold_builtin_floor): Check for the availability of
6913	the C99 trunc function before transforming floor into trunc.
6914
69152006-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6916
6917	* builtins.c (fold_builtin_hypot): Rearrange recursive
6918	transformation before others, and also do ABS_EXPR.  When
6919	necessary, check flag_unsafe_math_optimizations.  When necessary,
6920	add fabs.
6921
69222006-10-29  Roger Sayle  <roger@eyesopen.com>
6923
6924	* fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6925	Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6926	(fold_binary): ~X eq/ne C is now handled in fold_comparison.
6927	Fold -X eq/ne -Y as X eq/ne Y.
6928
69292006-10-29  Richard Sandiford  <richard@codesourcery.com>
6930
6931	* config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6932	GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
6933	rather than GENERATE_MULT3_SI in the various define_peephole2s.
6934	(mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6935	Use an inclusive test for "mult" rather than "mul".
6936	(rotr<mode>3): Depend on ISA_HAS_ROR.
6937	* config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6938	ISA_HAS_MUL3.
6939	(GENERATE_MULT3_DI): Delete.
6940	(ISA_HAS_64BIT_REGS): Use consistent formatting.
6941	(ISA_HAS_MUL3): New macro.
6942	(ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6943	(ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6944	(ISA_HAS_CLZ_CLO): Likewise.
6945	(ISA_HAS_DCLZ_DCLO): Delete.
6946	(ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6947	(ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6948	the VR4120 and VR4130.
6949	(ISA_HAS_MACCHI): Use consistent formatting.
6950	(ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6951	(ISA_HAS_ROR): ...this new macro.
6952	(ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6953	(ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6954	(ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6955
69562006-10-29  Roger Sayle  <roger@eyesopen.com>
6957
6958	PR tree-optimization/15458
6959	* fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6960	is a constant.
6961
69622006-10-29  Richard Guenther  <rguenther@suse.de>
6963
6964	* config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6965	(ix86_expand_truncdf_32): Likewise.
6966	* config/i386/i386.c (ix86_expand_trunc): New function expanding
6967	trunc inline for SSE math and -fno-trapping-math and if not
6968	optimizing for size.
6969	(ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6970	* config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6971	for expanding btrunc inline for SSE math.
6972
69732006-10-29  Joseph Myers  <joseph@codesourcery.com>
6974
6975	* config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6976	Handle tuning for bi-arch i[34567]86-*-linux* like that for
6977	i[34567]86-*-solaris2.1[0-9]*.
6978	* config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6979	Define conditionally depending on TARGET_64BIT_DEFAULT.
6980	(SPEC_32, SPEC_64): Define.
6981	(LINK_SPEC): Use them.
6982	* doc/install.texi (--enable-targets=all): Document for x86-linux.
6983
69842006-10-29  Richard Guenther  <rguenther@suse.de>
6985
6986	* config/i386/i386-protos.h (ix86_expand_round): Declare.
6987	(ix86_expand_rounddf_32): Likewise.
6988	* config/i386/i386.c (ix86_expand_round): New function expanding
6989	round inline for SSE math and -fno-trapping-math and if not
6990	optimizing for size.
6991	(ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6992	* config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6993	round via ix86_expand_round.
6994
69952006-10-29  Richard Guenther  <rguenther@suse.de>
6996
6997	* config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6998	(ix86_expand_floorceildf_32): Likewise.
6999	* config/i386/i386.c (ix86_expand_sse_compare_mask): New
7000	static helper function.
7001	(ix86_expand_floorceil): Expander for floor and ceil to SSE
7002	math.
7003	(ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
7004	* config/i386/i386.md (floordf2): Adjust to enable floor
7005	expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
7006	-fno-trapping-math is enabled and if not optimizing for size.
7007	(floorsf2, ceildf2, ceilsf2): Likewise.
7008	* config/i386/sse.md (sse_maskcmpsf3): New insn.
7009	(sse2_maskcmpdf3): Likewise.
7010
70112006-10-29  Richard Guenther  <rguenther@suse.de>
7012
7013	* builtins.c (expand_builtin_mathfn): Expand nearbyint as
7014	rint in case -fno-trapping-math is enabled.
7015	* config/i386/i386-protos.h (ix86_expand_rint): Declare.
7016	* config/i386/i386.c (ix86_gen_TWO52): New static helper function.
7017	(ix86_expand_sse_fabs): Likewise.
7018	(ix86_expand_rint): New function expanding rint to x87 or SSE math.
7019	* config/i386/i386.md (rintdf2): Enable for SSE math if
7020	-fno-trapping-math is enabled, use ix86_expand_rint for expansion.
7021	(rintsf2): Likewise.
7022
70232006-10-29  Richard Guenther  <rguenther@suse.de>
7024
7025	* genopinit.c (optabs): Change lfloor_optab and lceil_optab
7026	to conversion optabs.
7027	* optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
7028	as conversion optab.
7029	* optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
7030	(enum convert_optab_index): Add COI_lfloor and COI_lceil.
7031	(lfloor_optab, lceil_optab): Adjust defines.
7032	* builtins.c (expand_builtin_int_roundingfn): Adjust for
7033	lfloor and lceil optabs now being conversion optabs.
7034	* config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
7035	* config/i386/i386.c (ix86_expand_sse_compare_and_jump):
7036	New static helper function.
7037	(ix86_expand_lfloorceil): New function to expand lfloor and
7038	lceil inline.
7039	* config/i386/i386.md (lfloor<mode>2): Split into ...
7040	(lfloorxf<mode>2): ... x87 variant
7041	(lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
7042	using ix86_expand_lfloorceil.
7043	(lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
7044	Likewise.
7045	* doc/md.texi (lfloorMN, lceilMN): Document.
7046
70472006-10-29  Richard Sandiford  <richard@codesourcery.com>
7048
7049	* configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
7050	-mno-shared assembler option on mips targets.
7051	* configure, config.in: Regenerate.
7052	* config/mips/linux.h (NO_SHARED_SPECS): New macro.
7053	(DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
7054	* config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
7055
70562006-10-29  Richard Sandiford  <richard@codesourcery.com>
7057
7058	* config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
7059	as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
7060
70612006-10-29  Kazu Hirata  <kazu@codesourcery.com>
7062
7063	* config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
7064	config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
7065	comment typos.
7066
70672006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7068
7069	PR middle-end/29335
7070	* builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
7071	(fold_builtin_pow): Evaluate constant arguments at compile-time
7072	using MPFR.
7073	(fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
7074	(do_mpfr_ckconv): New helper function.
7075	(do_mpfr_arg1): Use do_mpfr_ckconv.
7076	(do_mpfr_arg2): New.
7077
70782006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7079
7080	PR tree-opt/29271
7081	* doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
7082	(-fdump-rtl-sched): Rename to ..
7083	(-fdump-rtl-sched1): here.  Also fix file extension number.
7084
70852006-10-28  Richard Guenther  <rguenther@suse.de>
7086
7087	* fold-const.c (maybe_canonicalize_comparison): Fix code
7088	to match comment.
7089
70902006-10-28  Uros Bizjak  <uros@kss-loka.si>
7091
7092	* config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
7093	(NON_QI_REG_P): Use IN_RANGE.
7094	(REX_INT_REGNO_P): Use IN_RANGE.
7095	(FP_REGNO_P): Use IN_RANGE.
7096	(SSE_REGNO_P): Use IN_RANGE.
7097	(REX_SSE_REGNO_P): Use IN_RANGE.
7098	(MMX_REGNO_P): Use IN_RANGE.
7099	(STACK_REGNO_P): New macro.
7100	(STACK_REG_P): Use STACK_REGNO_P.
7101	(NON_STACK_REG_P): Use STACK_REGNO_P.
7102	(REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
7103	(REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
7104	(REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
7105	(REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
7106	(HARD_REGNO_RENAME_OK): Use !IN_RANGE.
7107
71082006-10-28  Eric Botcazou  <ebotcazou@adacore.com>
7109
7110	* except.h (output_function_exception_table): Add 'const char*' param.
7111	* except.c (switch_to_exception_section): Add 'const char*' param.
7112	If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
7113	and flag_function_sections is set, use a function-specific section.
7114	(output_function_exception_table): Add 'const char*' param.
7115	Adjust call to switch_to_exception_section.
7116	* final.c (rest_of_handle_final): Adjust calls to
7117	output_function_exception_table.
7118	* configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
7119	* config.in: Regenerate.
7120	* configure: Likewise.
7121
71222006-10-28  Richard Guenther  <rguenther@suse.de>
7123
7124	PR middle-end/26899
7125	* fold-const.c (maybe_canonicalize_comparison_1): Helper
7126	for maybe_canonicalize_comparison.
7127	(maybe_canonicalize_comparison): New function for canonicalizing
7128	comparison trees.
7129	(fold_comparison): Call it to canonicalize comparisons with
7130	constants involved.
7131
71322006-10-28  Richard Guenther  <rguenther@suse.de>
7133
7134	PR target/28806
7135	* builtins.c (expand_builtin_int_roundingfn_2): Expand
7136	BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
7137	(expand_builtin): Adjust likewise.
7138	* genopinit.c (optabs[]): Add lround optab.
7139	* optabs.c (init_optabs): Initialize lround_optab.
7140	* optabs.h (enum convert_optab_index): Add COI_lround.
7141	(lround_optab): Define.
7142	* config/i386/i386-protos.h (ix86_expand_lround): Declare.
7143	* config/i386/i386.c (ix86_sse_copysign_to_positive): New
7144	static function.
7145	(ix86_expand_lround): New function.
7146	* config/i386/i386.md (lround<mode>di2, lround<mode>si2):
7147	New expanders.
7148	* doc/md.texi (lroundMN2): Document.
7149
71502006-10-28 Uros Bizjak <uros@kss-loka.si>
7151
7152	PR target/29377
7153	* config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
7154	argument to HOST_WIDE_INT.  Update function prototype.
7155	(round_frame_size): Change return type to HOST_WIDE_INT.  Change
7156	"size" argument to HOST_WIDE_INT.  Update function prototype.
7157
71582006-10-28 Uros Bizjak <uros@kss-loka.si>
7159
7160	* config/i386/i386.c (output_387_ffreep): Create output from a
7161	template string for !HAVE_AS_IX86_FFREEP.
7162
71632006-10-27  Eric Christopher  <echristo@apple.com>
7164
7165	* config/darwin.c: Fix formatting and grammar.
7166
71672006-10-27  Jan Hubicka  <jh@suse.cz>
7168
7169	* builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
7170	to be thrown away soon when IGNORE is set.
7171	* tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
7172	indicating when return value shall not be computed.
7173	* gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
7174
71752006-10-27  Vladimir Makarov  <vmakarov@redhat.com>
7176
7177	* config/i386/i386.h (TARGET_GEODE):
7178	(TARGET_CPU_CPP_BUILTINS): Add code for geode.
7179	(TARGET_CPU_DEFAULT_geode): New macro.
7180	(TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
7181	TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
7182	TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
7183	TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
7184	TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
7185	the macro values.
7186	(TARGET_CPU_DEFAULT_NAMES): Add geode.
7187	(processor_type): Add PROCESSOR_GEODE.
7188
7189	* config/i386/i386.md: Include geode.md.
7190	(cpu): Add geode.
7191
7192	* config/i386/i386.c (geode_cost): New initialized global
7193	variable.
7194	(m_GEODE, m_K6_GEODE): New macros.
7195	(x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
7196	x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
7197	x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
7198	x86_schedule): Use m_K6_GEODE instead of m_K6.
7199	(x86_movx, x86_cmove): Set up m_GEODE.
7200	(x86_integer_DFmode_moves): Clear m_GEODE.
7201	(processor_target_table): Add entry for geode.
7202	(processor_alias_table): Ditto.
7203
7204	* config/i386/geode.md: New file.
7205
7206	* doc/invoke.texi: Add entry about geode processor.
7207
72082006-10-27  Mike Stump  <mrs@apple.com>
7209
7210	* config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
7211	__DYNAMIC__ from here back to ...
7212	* config/darwin.h (CPP_SPEC): ... here.
7213
72142006-10-26  Nathan Froyd  <froydnj@codesourcery.com>
7215	    Nathan Sidwell  <nathan@codesourcery.com>
7216
7217	* ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
7218	when choosing the minimum heapsize.
7219
72202006-10-26  Nathan Froyd <froydnj@codesourcery.com>
7221
7222	* gcc/unwind-dw2.h: Move cfa-related variables into
7223	struct frame_state_reg_info to ensure that the CFA is properly
7224	handled when executing DW_CFA_{remember,restore}_state.
7225	* gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
7226	gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
7227	gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
7228	gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
7229	gcc/config/rs6000/linux-unwind.h,
7230	gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
7231	gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
7232	Modify to use new cfa_* fields.
7233
72342006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7235
7236	* config/s390/s390.c (s390_init_frame_layout): Check positive
7237	frame_size.
7238
72392006-10-26  Ben Elliston  <bje@au.ibm.com>
7240
7241	* gimplify.c (get_name): Remove extraneous break.
7242	(gimplify_omp_for): Initialise ret with GS_OK.
7243
72442006-10-25  Steve Ellcey  <sje@cup.hp.com>
7245
7246	* config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
7247	Add unix98.o to link line.
7248
72492006-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7250
7251	PR middle-end/29335
7252	* builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
7253	Calculate compile-time constants using MPFR.
7254	(fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
7255	BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
7256
72572006-10-25  Bob Wilson  <bob.wilson@acm.org>
7258
7259	* config/xtensa/lib2funcs.S: Use C-style comments.
7260
72612006-10-24  Nathan Froyd  <froydnj@codesourcery.com>
7262
7263	* dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
7264	(file_table_relative_p): Likewise.
7265	(dwarf2out_finish): Likewise.
7266	(file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
7267
72682006-10-25  Daniel Berlin  <dberlin@dberlin.org>
7269
7270	* tree-ssa-structalias.c (intra_create_variable_infos):
7271	  Don't recreate nonlocal_all if it already exists.
7272
72732006-10-25  Richard Guenther  <rguenther@suse.de>
7274
7275	PR target/28803
7276	* optabs.h (enum optab_index): Remove OTI_lrint.
7277	(enum convert_optab_index): Add COI_lrint.
7278	(lrint_optab): Adjust.
7279	(expand_sfix_optab): Declare.
7280	* optabs.c (expand_sfix_optab): New function.
7281	(init_optabs): Init lrint_optab as conversion optab.
7282	* genopinit.c (lrint_optab): Change to a conversion optab.
7283	* builtins.c (expand_builtin_int_roundingfn_2): Adjust to
7284	expansion via conversion optab.
7285	* config/i386/i386.md (*fistdi2_1): Remove
7286	flag_unsafe_math_optimizations guard.
7287	(fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
7288	fist<mode>2_with_temp): Likewise.
7289	(lrint<mode>2): Split into...
7290	(lrintxf<mode>2): ... x87 part
7291	(lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
7292	* config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7293	sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7294	UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7295	* doc/md.texi (lrintMN2): Document.
7296
72972006-10-25  Uros Bizjak  <uros@kss-loka.si>
7298
7299	PR target/28909
7300	* config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
7301	Use inc and dec instructions for TARGET_USE_INCDEC.
7302	("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7303	("sync_double_compare_and_swap<mode>"): Likewise.
7304	("*sync_double_compare_and_swapdi_pic"): Likewise.
7305	("*sync_compare_and_swap_cc<mode>"): Likewise.
7306	("sync_double_compare_and_swap_cc<mode>"): Likewise.
7307	("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7308	("sync_old_add<mode>"): Likewise.
7309	("sync_lock_test_and_set<mode>"): Likewise.
7310	("sync_lock_test_and_set<mode>"): Likewise.
7311	("sync_add<mode>"): Likewise.
7312	("sync_sub<mode>"): Likewise.
7313	("sync_ior<mode>"): Likewise.
7314	("sync_and<mode>"): Likewise.
7315	("sync_xor<mode>"): Likewise.
7316
73172006-10-25  Uros Bizjak  <uros@kss-loka.si>
7318
7319	* optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7320	(remainder_optab): Define corresponding macro.
7321	(drem_optab): Remove.
7322	* optabs.c (init_optabs): Initialize remainder_optab.  Remove
7323	drem_optab initialization.
7324	* genopinit.c (optabs): Implement remainder_optab using
7325	remainder?f3 patterns.  Remove drem_optab.
7326	* builtins.c (expand_builtin_mathfn_2): Handle
7327	BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7328	(expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7329	expand_builtin_mathfn_2.
7330
7331	(expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7332	depend on flag_unsafe_math_optimizations.
7333
7334	* config/i386/i386.md ("remaindersf3", "remainderdf3")
7335	("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7336	Do not depend on flag_unsafe_math_optimizations.  Use
7337	truncxf?f expander instead of truncxf?f_i387_noop.
7338
7339	("fpremxf4", "fprem1xf4"): Do not depend on
7340	flag_unsafe_math_optimizations.
7341	("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7342	flag_unsafe_math_optimizations.  Use truncxf?f expander
7343	instead of truncxf?f_i387_noop.
7344
7345	* doc/md.texi (fmod, remainder): Document standard named pattern.
7346
73472006-10-24  Richard Sandiford  <richard@codesourcery.com>
7348	    David Daney  <ddaney@avtrex.com>
7349
7350	PR middle-end/29519
7351	* rtlanal.c (nonzero_address_p):  Remove check for values wrapping.
7352
73532006-10-25  Ben Elliston  <bje@au.ibm.com>
7354
7355	* doc/extend.texi (Variable Attributes): Typo fix.
7356
73572006-10-24  Uros Bizjak  <uros@kss-loka.si>
7358
7359	* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7360	(FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7361	(REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7362	(FRAME_POINTER_REGNUM): Update register number to 21.
7363	(REG_CLASS_CONTENTS): Update contents for added fpcr register.
7364	(HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7365
7366	* config/i386/i386.c (regclass_map): Add fpcr entry.
7367	(dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7368	Add fpcr entry.
7369	(print_reg): Assert REGNO (x) != FPCR_REG.
7370
7371	* config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7372	(DIRFLAG_REG): Renumber.
7373	(x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7374	(*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7375	(sse_prologue_save, *sse_prologue_save_insn): Renumber
7376	hardcoded SSE register numbers.
7377
7378	* config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7379	hardcoded MMX register numbers.
7380
73812006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7382
7383	PR middle-end/29335
7384	* builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7385	(do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7386	Update all callers.
7387	(BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7388	(BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7389	BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7390	BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7391
73922006-10-24  Richard Guenther  <rguenther@suse.de>
7393
7394	PR middle-end/28796
7395	* builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7396	and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7397	for deciding optimizations in consistency with fold-const.c
7398	(fold_builtin_unordered_cmp): Likewise.
7399
74002006-10-24  Richard Guenther  <rguenther@suse.de>
7401
7402	* builtins.c (fold_builtin_floor): Fold floor (x) where
7403	x is nonnegative to trunc (x).
7404	(fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7405	nonnegative to FIX_TRUNC_EXPR.
7406
74072006-10-24  Richard Guenther  <rguenther@suse.de>
7408
7409	PR tree-optimization/29567
7410	* tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7411	for TRUTH_NOT_EXPR.  Clarify comments.
7412
74132006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7414
7415	PR middle-end/29335
7416	* builtins.c (fold_builtin_exponent): Evaluate constant arguments
7417	at compile-time using MPFR.  Change parameter VALUE to FUNC,
7418	update all callers.
7419	(do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
7420	for overflow and underflow at all times and avoid folding in
7421	those cases.
7422
74232006-10-24  Ben Elliston  <bje@au.ibm.com>
7424
7425	* reload1.c: Formatting fixes.
7426
74272006-10-23  Zdenek Dvorak <dvorakz@suse.cz>
7428
7429	PR tree-optimization/14784
7430	* tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7431	* tree-ssa-structalias.c (get_constraint_for,
7432	intra_create_variable_infos): Set is_heapvar.
7433	* tree-ssa-operands.c (access_can_touch_variable): Do not handle
7434	non-heapvar pointer variables specially.
7435
74362006-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7437
7438	PR middle-end/29335
7439	* builtins.c (fold_builtin_sin, fold_builtin_cos,
7440	fold_builtin_tan): Fold all constant arguments.  Take a "type"
7441	argument as necessary.
7442	(do_mpfr_arg1): New.
7443	* real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7444
74452006-10-23  Bob Wilson  <bob.wilson@acm.org>
7446
7447	* config/xtensa/lib1funcs.asm: Use C-style comments.
7448
74492006-10-23 Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
7450
7451	* tree.c (local_define_builtin): Replace calls to
7452	lang_hooks.builtin_function with add_builtin_function.
7453	* c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7454	c_builtin_function.
7455	* c-tree.h (builtin_function): Rename to c_builtin_function. Change
7456	the signature.
7457	* c-decl.c (builtin_function): Rename to c_builtin_function. Move
7458	common code to add_builtin_function.
7459	* langhooks.c (add_builtin_function): New function.
7460	(lhd_builtin_function): New function.
7461	* langhooks.h (struct lang_hooks): Change the signature of
7462	builtin_function.
7463	(add_builtin_function): New function.
7464	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7465	calls to lang_hooks.builtin_function with add_builtin_function.
7466	* c-common.c (decl_builtin_1): Replace calls to
7467	lang_hooks.builtin_function with add_builtin_function.
7468	* config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7469	lang_hooks.builtin_function with add_builtin_function.
7470	* config/frv/frv.c (def_builtin): Replace calls to
7471	lang_hooks.builtin_function with add_builtin_function.
7472	* config/s390/s390.c (s390_init_builtins): Replace calls to
7473	lang_hooks.builtin_function with add_builtin_function.
7474	* config/sparc/sparc.c (def_builtin): Replace calls to
7475	lang_hooks.builtin_function with add_builtin_function.
7476	* config/i386/i386.c (def_builtin): Replace calls to
7477	lang_hooks.builtin_function with add_builtin_function.
7478	* config/sh/sh.c (sh_media_init_builtins): Replace calls to
7479	lang_hooks.builtin_function with add_builtin_function.
7480	* config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7481	lang_hooks.builtin_function with add_builtin_function.
7482	* config/stormy16/stormy16.c (xstormy16_init_builtins):
7483	Replace calls to lang_hooks.builtin_function with
7484	add_builtin_function.
7485	* config/iq2000/iq2000.c (def_builtin):
7486	Replace calls to lang_hooks.builtin_function with
7487	add_builtin_function.
7488	* config/ia64/ia64.c (def_builtin): Replace calls to
7489	lang_hooks.builtin_function with add_builtin_function.
7490	* config/rs6000/rs6000.c (def_builtin): Replace calls to
7491	lang_hooks.builtin_function with add_builtin_function.
7492	(altivec_init_builtins): Replace calls to
7493	lang_hooks.builtin_function with add_builtin_function.
7494	* config/arm/arm.c (def_mbuiltin): Replace calls to
7495	lang_hooks.builtin_function with add_builtin_function.
7496	(arm_init_tls_builtins): Replace calls to
7497	lang_hooks.builtin_function with add_builtin_function.
7498	* config/mips/mips.c (mips_init_builtins): Replace calls to
7499	lang_hooks.builtin_function with add_builtin_function.
7500	* config/bfin/bfin.c (def_builtin): Replace calls to
7501	lang_hooks.builtin_function with add_builtin_function.
7502	* langhooks-def.h (lhd_builtin_function): New function.
7503	(LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7504
75052006-10-23  Jakub Jelinek  <jakub@redhat.com>
7506
7507	* builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7508	BUILT_IN_STRNCAT_CHK.
7509
75102006-10-23  Jan Hubicka  <jh@suse.cz>
7511
7512	* builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7513	don't do conversion from memmove to memcpy here.
7514	(expand_builtin_bcopy, expand_builtin): Update call of
7515	expand_builtin_memmove.
7516	(fold_builtin_memory_op): Do folding of memmove to memcpy here.
7517
75182006-10-23  Paul Brook  <paul@codesourcery.com>
7519
7520	* stor-layout.c (start_record_layout): maximum_field_alignment
7521	overrides STRUCTURE_SIZE_BOUNDARY.
7522
75232006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>
7524
7525	* config/s390/predicates.md ("bras_sym_operand"): Do not accept
7526	nonlocal function symbols if flag_pic.
7527
75282006-10-23  Richard Guenther  <rguenther@suse.de>
7529
7530	PR middle-end/27132
7531	PR middle-end/23295
7532	* builtins.c (fold_binary): Remove checks for flag_wrapv
7533	and flag_trapv where negate_expr_p covers these cases.
7534
75352006-10-23  Richard Guenther  <rguenther@suse.de>
7536
7537	PR middle-end/29548
7538	* fold-const.c (fold_plusminus_mult_expr): Check exact power
7539	of two on the absolute value.
7540	(fold_binary): Fold x * -C to -x * C if x is easily negatable
7541	and negating -C does not overflow.
7542
75432006-10-23  Richard Guenther  <rguenther@suse.de>
7544
7545	PR middle-end/21032
7546	* convert.c (convert_to_real): Fold (float)-x to -(float)x
7547	only if not flag_rounding_math.
7548
75492006-10-22  Richard Sandiford  <richard@codesourcery.com>
7550	    Kaz Kojima  <kkojima@gcc.gnu.org>
7551
7552	PR target/28232
7553	* config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7554	SImode memory reference for the source of a movua.
7555	* config/sh/sh.md (UNSPEC_MOVUA): New macro.
7556	(movua): Use an unspec instead of sign_extract.  Expect the source
7557	to have mode BLKmode.
7558	(extv, insv): Use a BLKmode rather than SImode memory reference
7559	for the source of a movua.
7560
75612006-10-22  Jeff Law  <law@redhat.com>
7562	Richard Guenther  <rguenther@suse.de>
7563
7564	PR tree-optimization/15911
7565	* tree-vrp.c (extract_code_and_val_from_cond): New function.
7566	(register_edge_assert_for_1): Likewise.
7567	(register_edge_assert_for): Handle &&/&/||/| in conditionals.
7568	(find_conditional_asserts): Adjust for new function signature.
7569	(find_assert_locations): Likewise.
7570
75712006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7572
7573	* config/i386/tmmintrin.h: Remove the duplicated content.
7574
75752006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7576
7577	* config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7578	(x86_64-*-*): Likewise.
7579
7580	* config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7581	(override_options): Check SSSE3.
7582	(ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7583	IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7584	IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7585	IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7586	IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7587	IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7588	IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7589	IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7590	IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7591	IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7592	IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7593	IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7594	IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7595	IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7596	IX86_BUILTIN_PABSD128.
7597	(bdesc_2arg): Add SSSE3.
7598	(bdesc_1arg): Likewise.
7599	(ix86_init_mmx_sse_builtins): Support SSSE3.
7600	(ix86_expand_builtin): Likewise.
7601	* config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7602
7603	* config/i386/i386.md (UNSPEC_PSHUFB): New.
7604	(UNSPEC_PSIGN): Likewise.
7605	(UNSPEC_PALIGNR): Likewise.
7606	Include mmx.md before sse.md.
7607
7608	* config/i386/i386.opt: Add -mssse3.
7609
7610	* config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7611	(ssse3_phaddwv4hi3): Likewise.
7612	(ssse3_phadddv4si3): Likewise.
7613	(ssse3_phadddv2si3): Likewise.
7614	(ssse3_phaddswv8hi3): Likewise.
7615	(ssse3_phaddswv4hi3): Likewise.
7616	(ssse3_phsubwv8hi3): Likewise.
7617	(ssse3_phsubwv4hi3): Likewise.
7618	(ssse3_phsubdv4si3): Likewise.
7619	(ssse3_phsubdv2si3): Likewise.
7620	(ssse3_phsubswv8hi3): Likewise.
7621	(ssse3_phsubswv4hi3): Likewise.
7622	(ssse3_pmaddubswv8hi3): Likewise.
7623	(ssse3_pmaddubswv4hi3): Likewise.
7624	(ssse3_pmulhrswv8hi3): Likewise.
7625	(ssse3_pmulhrswv4hi3): Likewise.
7626	(ssse3_pshufbv16qi3): Likewise.
7627	(ssse3_pshufbv8qi3): Likewise.
7628	(ssse3_psign<mode>3): Likewise.
7629	(ssse3_psign<mode>3): Likewise.
7630	(ssse3_palignrti): Likewise.
7631	(ssse3_palignrdi): Likewise.
7632	(abs<mode>2): Likewise.
7633	(abs<mode>2): Likewise.
7634
7635	* config/i386/tmmintrin.h: New file.
7636
7637	* doc/extend.texi: Document SSSE3 built-in functions.
7638
7639	* doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7640
76412006-10-22  Ira Rosen  <irar@il.ibm.com>
7642
7643	* tree-vect-transform.c (vectorizable_load): Use the type of the
7644	return value of the mask_for_load builtin to create realign_load
7645	stmt.
7646
76472006-10-22  Richard Sandiford  <richard@codesourcery.com>
7648
7649	* config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7650	expressions.
7651
76522006-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7653
7654	* config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7655	(UNSPEC_LDDQU): This.
7656	* config/i386/sse.md (sse3_lddqu): Updated.
7657
76582006-10-21  Richard Guenther  <rguenther@suse.de>
7659
7660	* builtins.c (expand_builtin_int_roundingfn_2): New function.
7661	(expand_builtin): Use it to expand lrint instead of
7662	expand_builtin_mathfn.
7663
76642006-10-21  Uros Bizjak  <uros@kss-loka.si>
7665
7666	PR middle-end/28252
7667	* builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7668	flag_unsafe_math_optimizations is set.
7669
76702006-10-21  Uros Bizjak  <uros@kss-loka.si>
7671
7672	PR target/19398
7673	* config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7674	patterns to use memory input operand in x87->mem->XMM
7675	reload sequences.  Skip transformation for TARGET_K8.
7676
76772006-10-21  Uros Bizjak  <uros@kss-loka.si>
7678
7679	* config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7680	force operand1 to register if both operands are memory operands.
7681	(*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7682	(*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7683	if both operands are memory operands.
7684	(truncdfsf2): Do not force operand1 to register if both operands
7685	are memory operands.
7686
76872006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7688
7689	* Makefile.in (LIBS): Add $(GMPLIBS).
7690	* doc/install.texi: Update GMP and MPFR requirements.
7691	* doc/sourcebuild.texi (need_gmp): Delete.
7692
76932006-10-21  Richard Guenther  <rguenther@suse.de>
7694
7695	PR tree-optimization/3511
7696	* tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7697	got new invariant arguments during PHI translation.
7698
76992006-10-21  Richard Guenther  <rguenther@suse.de>
7700
7701	PR middle-end/26898
7702	* fold-const.c (fold_comparison): Fold signed comparisons
7703	of the form X +- C1 CMP Y +- C2.
7704
77052006-10-21  Richard Guenther  <rguenther@suse.de>
7706
7707	PR target/19116
7708	* config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7709	if flag_unsafe_math_optimizations is specified.  We have
7710	flag_finite_math_only for that.
7711	* config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7712	or flag_unsafe_math_optimizations.
7713
77142006-10-21  Richard Guenther  <rguenther@suse.de>
7715
7716	* builtins.c (fold_builtin_classify): Fix typo.
7717
77182006-10-21  Richard Guenther  <rguenther@suse.de>
7719
7720	PR middle-end/28796
7721	* simplify-rtx.c (simplify_const_relational_operation):
7722	Do not constant-fold ORDERED and UNORDERED for
7723	flag_unsafe_math_optimizations but only we do not need to
7724	honor NaNs for the given mode.
7725
77262006-10-21  Richard Guenther  <rguenther@suse.de>
7727
7728	PR target/29512
7729	* config/i386/i386.c (classify_argument): Remove redundant
7730	walking of the BINFOs.
7731	(contains_128bit_aligned_vector_p): Likewise.
7732
77332006-10-20  Mark Mitchell  <mark@codesourcery.com>
7734
7735	* BASE-VER: Set to 4.3.0.
7736
77372006-10-20  Daniel Berlin  <dberlin@dberlin.org>
7738
7739	* tree.h (DECL_PTA_ARTIFICIAL): Remove.
7740	(tree_decl_with_vis): Remove artificial_pta_var flag.
7741	* tree-flow.h (referenced_var_check_and_insert): Expose.
7742	(nonlocal_all): New prototype.
7743	* tree-ssa-structalias.c (nonlocal_for_type): Remove.
7744	(nonlocal_all): Make global.
7745	(nonlocal_lookup): Remove.
7746	(nonlocal_insert): Ditto.
7747	(create_nonlocal_var): Do not call nonlocal_insert.
7748	(get_nonlocal_id_for_type): Remove.
7749	(find_global_initializers): Mark new vars we find for renaming.
7750	(intra_create_variable_infos): Only create one nonlocal.
7751	(expand_nonlocal_solutions): Remove.
7752	(compute_points_to_sets): Don't call it.
7753	(ipa_pta_execute): Ditto.
7754	(init_alias_heapvars): Don't create nonlocal_for_type.
7755	(delete_alias_heapvars): Don't remove it.
7756	* tree-ssa-operands.c (access_can_touch_variable): Don't prune
7757	nonlocal_all.
7758
77592006-10-19  Brooks Moses  <bmoses@stanford.edu>
7760
7761	* doc/install.texi (Downloading GCC): Clarify mention of
7762	Fortran in the "full distribution" description.
7763
77642006-10-19  Daniel Berlin  <dberlin@dberlin.org>
7765
7766	Fix PR tree-optimization/28778
7767	Fix PR tree-optimization/29156
7768	Fix PR tree-optimization/29415
7769	* tree.h (DECL_PTA_ARTIFICIAL): New macro.
7770	(tree_decl_with_vis): Add artificial_pta_var flag.
7771	* tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7772	pushed into callers.
7773	* tree-ssa-structalias.c (nonlocal_for_type): New variable.
7774	(nonlocal_all): Ditto.
7775	(struct variable_info): Add directly_dereferenced member.
7776	(var_escaped_vars): New variable.
7777	(escaped_vars_tree): Ditto.
7778	(escaped_vars_id): Ditto.
7779	(nonlocal_vars_id): Ditto.
7780	(new_var_info): Set directly_dereferenced.
7781	(graph_size): New variable
7782	(build_constraint_graph): Use graph_size.
7783	(solve_graph): Don't process constraints that cannot change the
7784	solution, don't try to propagate an empty solution to our
7785	successors.
7786	(process_constraint): Set directly_dereferenced.
7787	(could_have_pointers): New function.
7788	(get_constraint_for_component_ref): Don't process STRING_CST.
7789	(nonlocal_lookup): New function.
7790	(nonlocal_insert): Ditto.
7791	(create_nonlocal_var): Ditto.
7792	(get_nonlocal_id_for_type): Ditto.
7793	(get_constraint_for): Allow results vector to be empty in the case
7794	of string constants.
7795	Handle results of calls properly.
7796	(update_alias_info): Update alias info stats on number and type of
7797	calls.
7798	(find_func_aliases): Use could_have_pointers.
7799	(make_constraint_from_escaped): Renamed from
7800	make_constraint_to_anything, and changed to make constraints from
7801	escape variable.
7802	(make_constraint_to_escaped): New function.
7803	(find_global_initializers): Ditto.
7804	(create_variable_info_for): Make constraint from escaped to any
7805	global variable, and from any global variable to the set of
7806	escaped vars.
7807	(intra_create_variable_infos): Deal with escaped instead of
7808	pointing to anything.
7809	(set_uids_in_ptset): Do type pruning on directly dereferenced
7810	variables.
7811	(find_what_p_points_to): Adjust call to set_uids_with_ptset.
7812	(init_base_vars): Fix comment, and initialize escaped_vars.
7813	(need_to_solve): Removed.
7814	(find_escape_constraints): New function.
7815	(expand_nonlocal_solutions): Ditto.
7816	(compute_points_to_sets): Call find_escape_constraints and
7817	expand_nonlocal_solutions.
7818	(delete_points_to_sets): Don't fall off the end of the graph.
7819	(init_alias_heapvars): Initialize nonlocal_for_type and
7820	nonlocal_all.
7821	(delete_alias_heapvars): Free nonlocal_for_type and null out
7822	nonlocal_all.
7823
78242006-10-19  Eric Botcazou  <ebotcazou@adacore.com>
7825
7826	* fold-const.c (add_double): Rename to add_double_with_sign.
7827	Add 'unsigned_p' parameter and take it into account for the overflow.
7828	(mul_double): Rename to mul_double_with_sign.
7829	Add 'unsigned_p' parameter and take it into account for the overflow.
7830	(fold_div_compare): Call add_double_with_sign instead of add_double
7831	and mul_double_with_sign instead of mul_double, passing them the
7832	unsignedness of the type.
7833	* tree.h (add_double): Macroize.
7834	(add_double_with_sign): New prototype.
7835	(mul_double): Macroize.
7836	(mul_double_with_sign): New prototype.
7837
78382006-10-19  Chen Liqin  <liqin@sunnorth.com.cn>
7839
7840	* config/score/crti.asm: New file.
7841	* config/score/crtn.asm: New file.
7842	* config/score/elf.h: New file.
7843	* config/score/mac.md: New file.
7844	* config/score/misc.md: New file.
7845	* config/score/mul-div.S: New file.
7846	* config/score/predicates.md: New file.
7847	* config/score/score7.md: New file.
7848	* config/score/score.c: New file.
7849	* config/score/score-conv.h: New file.
7850	* config/score/score.h: New file.
7851	* config/score/score.md: New file.
7852	* config/score/score-mdaux.c: New file.
7853	* config/score/score-mdaux.h: New file.
7854	* config/score/score-modes.def: New file.
7855	* config/score/score.opt: New file.
7856	* config/score/score-protos.h: New file.
7857	* config/score/score-version.h: New file.
7858	* config/score/t-score-elf: New file.
7859	* config.gcc: Add score*-*-* configurations(Update before).
7860	* doc/invoke.texi (Score Options): New section.
7861	* doc/md.texi (Score family): New section to document constraints.
7862
78632006-10-19  Nick Clifton  <nickc@redhat.com>
7864
7865	* config/arm/arm.c: Fix spelling typo.
7866
78672006-10-18  Tom Tromey  <tromey@redhat.com>
7868
7869	* doc/install.texi (Prerequisites): Mention automake 1.9.6.
7870
78712006-10-18  Jan Hubicka  <jh@suse.cz>
7872
7873	PR middle-end/29299
7874	* cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7875	are used.
7876
78772006-10-18  Marcin Dalecki  <martin@dalecki.de>
7878
7879	* omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7880	TSI_SAME_STMT, since that's the desired entity.
7881
78822006-10-17  Wolfgang Gellerich  <gellerich@de.ibm.com>
7883
7884	* config/s390/contraints.md: New file.
7885	* config/s390/s390-protos.h (s390_mem_constraint,
7886	s390_O_constraint_str, s390_N_constraint_str,
7887	s390_float_const_zero_p): Function prototypes added.
7888	* config/s390/s390.c (s390_extra_constraint_str,
7889	s390_const_double_ok_for_constraint_p,
7890	s390_const_ok_for_constraint_p): Functions removed.
7891	(s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7892	s390_float_const_zero_p): New functions.
7893	* config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7894	CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7895	EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7896	Macro definitions removed.
7897	(s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7898	s390_extra_constraint_str): Functions removed.
7899
79002006-10-17  Andrew Pinsiki  <pinskia@gmail.com>
7901	    Richard Sandiford  <richard@codesourcery.com>
7902
7903	PR target/29413
7904	* config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7905	* config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7906
79072006-10-16  Geoffrey Keating  <geoffk@apple.com>
7908
7909	* config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7910	(DWARF2_FRAME_REG_OUT): Likewise.
7911	* config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7912	(DWARF2_FRAME_REG_OUT): Likewise.
7913
79142006-10-17  Paul Brook  <paul@codesourcery.com>
7915
7916	* config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7917
79182006-10-16  Brooks Moses  <bmoses@stanford.edu>
7919
7920	* doc/contrib.texi, doc/install.texi, doc/standards.texi:
7921	Standardize on "GNU Fortran" as the official name of the Fortran
7922	compiler.
7923
79242006-10-16  Mike Stump  <mrs@apple.com>
7925
7926	* doc/invoke.texi (Darwin Options): Document -mkernel.
7927	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7928	-mkernel support.
7929	(C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
7930	SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7931	(CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7932	(OS_MISSING_ALTIVEC): Add.
7933	* config/i386/i386.c (override_options): Add
7934	SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7935	* config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7936	-mkernel, -static or -mdynamic-no-pic is given.
7937	(C_COMMON_OVERRIDE_OPTIONS): Add.
7938	* config/darwin.opt (fapple-kext): Add.
7939	(mkernel): Add.
7940	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7941	-fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7942	-mkernel support.
7943	(SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7944	(SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7945	(CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7946	(SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7947	(TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7948	(flag_mkernel): Add.
7949	(flag_apple_kext): Add.
7950	(TARGET_KEXTABI): Add.
7951	* config/darwin.c (darwin_handle_kext_attribute): Add.
7952	(DARWIN_VTABLE_P): Add.
7953	(darwin_binds_local_p): Add partial support for rebinding vtables
7954	in kexts.
7955	(darwin_kextabi_p): Add.
7956	(darwin_override_options): Add.
7957	* config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7958	(darwin_kextabi_p): Add.
7959	(darwin_override_options): Add.
7960	* config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7961	__DYNAMIC__ and __STATIC__ here.
7962
79632006-10-16  Brooks Moses  <bmoses@stanford.edu>
7964
7965	* doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7966	Added mention of "make pdf" target, and Texinfo requirements for
7967	same.
7968
79692006-10-16  DJ Delorie  <dj@redhat.com>
7970
7971	* config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7972	into the GOT in case we need a subreg of the address.
7973
79742006-10-16  Richard Guenther  <rguenther@suse.de>
7975
7976	PR target/25519
7977	* doc/extend.texi (X86 Built-in Functions): Fix typos in
7978	SSE builtin documentation.  Document SSE2 builtins.
7979
79802006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7981
7982	* pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7983	symbol in the output file for non-shared links when -nostdlib or
7984	-nodefaultlibs isn't specified.
7985
7986	* config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7987	posix thread support.
7988
79892006-10-15  Jan Hubicka  <jh@suse.cz>
7990
7991	PR middle-end/29241
7992	* cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7993	declared always_inline even when not inlining.
7994
79952006-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
7996	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7997	    Andrew Pinski  <pinskia@gmail.com>
7998
7999	PR middle-end/29111
8000	* builtins.c (get_pointer_alignment): Return 0 if TER is not run.
8001
80022006-10-15  Jan Hubicka  <jh@suse.cz>
8003	    Richard Guenther  <rguenther@suse.de>
8004
8005	PR middle-end/29299
8006	* cgraphunit.c (cgraph_finalize_compilation_unit): Call
8007	process_function_and_variable_attributes on all variables, including
8008	those discovered during cgraph construction phase.
8009
80102006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>
8011
8012	* final.c: Update Copyright year. Commentary typo fix. Fix whitespace
8013
80142006-10-14  Uros Bizjak  <uros@kss-loka.si>
8015
8016	* config/i386/athlon.md (athlon_fist): Add fisttp.
8017
80182006-10-13  David Edelsohn  <edelsohn@gnu.org>
8019	    Ian Lance Taylor  <ian@airs.com>
8020
8021	PR middle-end/29250
8022	* expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
8023	CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
8024	recursing.
8025
80262006-10-14  Kazu Hirata  <kazu@codesourcery.com>
8027
8028	* config/score/score.c, config/score/score.h: Fix comment
8029	typos.
8030
80312006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8032
8033	PR bootstrap/29402
8034	* Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
8035	shell pipeline.
8036
80372006-10-13  Eric Christopher  <echristo@apple.com>
8038
8039	* config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
8040
80412006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
8042
8043	Revert this change:
8044	2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
8045	* config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
8046	alignment supported by 32-bit ELF.
8047
80482006-10-13  Eric Christopher  <echristo@apple.com>
8049
8050	* config/darwin.c (darwin_emit_unwind_label): Strip
8051	name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
8052
80532006-10-13  Richard Guenther  <rguenther@suse.de>
8054
8055	PR tree-optimization/29446
8056	* tree-vrp.c (fix_equivalence_set): Remove.
8057	(extract_range_from_assert): Do not call fix_equivalence_set.
8058	(debug_value_range): Print a newline.
8059	(compare_name_with_value): For equivalence sets with
8060	inconsistent value ranges conservatively bail out.
8061	(compare_names): Likewise.
8062
80632006-10-13  David Edelsohn  <edelsohn@gnu.org>
8064
8065	* doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
8066	and MPFR for gfortran.
8067
80682006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
8069
8070	* config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
8071	alignment supported by 32-bit ELF.
8072
80732006-10-13  Paolo Bonzini  <bonzini@gnu.org>
8074
8075	PR c/29092
8076
8077	* c-typeck.c (digest_init): Always allow initializing vectors
8078	that have static storage duration with compound literals.
8079	* tree.c (build_type_attribute_qual_variant): New, based on
8080	build_type_attribute_variant.
8081	(build_type_attribute_variant): Rewrite using the former.
8082	(make_vector_type): Use build_type_attribute_qual_variant to build
8083	type variants.  Use type_hash_canon on the others.
8084
80852006-10-13  Daniel Berlin <dberlin@dberlin.org>
8086	    Ramana Radhakrishnan  <ramana.radhakrishnan@celunite.com>
8087
8088	* tree-flow-inline.h (zero_ssa_operands): Fix comment.
8089
80902006-10-12  Jan Hubicka  <jh@suse.cz>
8091
8092	PR c/28419
8093	* c-decl.c (c_make_fname_decl): Do not segfault in case where
8094	current_function_decl is set but current_function_scope is not.
8095
80962006-10-12  Jie Zhang  <jie.zhang@analog.com>
8097
8098	* config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
8099	emit_insn to emit eh_return_internal instruction.
8100	(eh_return_internal): Explicitly set pc.
8101
81022006-10-11  Richard Guenther  <rguenther@suse.de>
8103
8104	PR tree-optimization/28230
8105	* tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
8106	to the correct place.
8107
81082006-10-11  Richard Guenther  <rguenther@suse.de>
8109
8110	PR inline-asm/29119
8111	* gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
8112	addressable.
8113
81142006-10-10  Brooks Moses  <bmoses@stanford.edu>
8115
8116	* configure.ac: Added pdf to "Make-hooks"
8117	* Makefile.in: Added TEXI2PDF definition, and various pdf-file
8118	targets and *.pdf file patterns in cleanup targets.
8119	* configure: Regenerated.
8120
81212006-10-10  Anatoly Sokolov <aesok@post.ru>
8122
8123	* config/avr/predicates.md: New file.
8124	* config/avr/avr.md: Include it.
8125	(REG_SP): New constant.
8126	(peepholes): Use predicates.
8127	(sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
8128	difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
8129	sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
8130
81312006-10-10  Adam Nemet  <anemet@caviumnetworks.com>
8132
8133	* config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
8134	avoid alias set 0.
8135
81362006-10-10  Jakub Jelinek  <jakub@redhat.com>
8137
8138	PR middle-end/29272
8139	* builtins.c (var_decl_component_p): New function.
8140	(fold_builtin_memset, fold_builtin_memory_op): Restrict
8141	single entry optimization to variables and components thereof.
8142
81432006-10-10  Richard Guenther  <rguenther@suse.de>
8144
8145	PR rtl-optimization/29323
8146	* except.c (set_nothrow_function_flags): For functions
8147	that do not bind local bail out early.
8148
81492006-10-10  Ben Elliston  <bje@au.ibm.com>
8150
8151	* doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
8152	-mdlmzb option.
8153
81542006-10-09  Richard Henderson  <rth@redhat.com>
8155
8156	Revert emutls patch.
8157
81582006-10-09  Richard Guenther  <rguenther@suse.de>
8159
8160	PR middle-end/29254
8161	* cgraphunit.c (verify_cgraph_node): Bail out on earlier
8162	errors.
8163
81642006-10-09  Steve Ellcey  <sje@cup.hp.com>
8165
8166	PR target/27880
8167	* unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
8168	* configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
8169	* configure: Regenerate.
8170	* config.in: Regenerate.
8171
81722006-10-09  Aldy Hernandez  <aldyh@redhat.com>
8173
8174	* tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
8175
81762006-10-08  Richard Sandiford  <richard@codesourcery.com>
8177
8178	* config/mips/mips.c (mips_legitimize_tls_address): Implement
8179	all TLS models in the same way as local exec if !TARGET_ABICALLS.
8180	Remove stray newline.
8181
81822006-10-08  Richard Sandiford  <richard@codesourcery.com>
8183
8184	* config/mips/mips.c (mips_classify_symbol): Do not return
8185	SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
8186	(mips_in_small_data_p): Tweak comments.
8187
81882006-10-08  Richard Sandiford  <richard@codesourcery.com>
8189
8190	* config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
8191
81922006-10-07  Kazu Hirata  <kazu@codesourcery.com>
8193
8194	* gimplify.c, sched-int.h: Fix comment typos.
8195
8196	* sched-int.h: Fix comment typos.
8197
81982006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8199
8200	* sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
8201	New macros.
8202	* sched-ebb.c (begin_schedule_ready): Use them.
8203	* haifa-sched.c (schedule_insn, move_insn, try_ready,
8204	add_to_speculative_block, create_check_block_twin, speculate_insn,
8205	fix_jump_move, move_block_after_check): Ditto.
8206	* sched-rgn.c (new_ready): Ditto.
8207
82082006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8209
8210	PR rtl-optimization/29128
8211	* sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
8212	* sched-ebb.c (advance_target_bb): Use it to fix condition to
8213	allow interblock movement of speculation checks.
8214
82152006-10-06  Zdenek Dvorak <dvorakz@suse.cz>
8216
8217	PR middle-end/29256
8218	* tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
8219	casted to integer type.
8220	(get_address_cost): Decrease cost of [symbol + index] addressing modes
8221	if they are significantly more expensive than [reg + index] ones.
8222
82232006-10-06  Jakub Jelinek  <jakub@redhat.com>
8224
8225	PR tree-optimization/29330
8226	* tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
8227	(initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
8228	on newly allocated ddrs.
8229	(find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
8230	to VEC (loop_p, heap) pointer.
8231	(compute_data_dependences_for_loop): Adjust caller.
8232	(free_dependence_relations): Free DDR_LOOP_NEST.
8233
8234	* tree-loop-linear.c (linear_transform_loops): Don't forget to
8235	free DEPENDENCE_RELATIONS and DATAREFS.
8236
8237	PR target/28924
8238	* builtins.c (expand_builtin_sync_operation,
8239	expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
8240	Use convert_to_mode to handle promoted arguments.
8241
82422006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
8243
8244	* print-tree.c (print_node_brief, print_node): Print sign of Inf.
8245
82462006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
8247
8248	* config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
8249
82502006-10-05  Uros Bizjak  <uros@kss-loka.si>
8251
8252	* config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
8253	"sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
8254	Use <modeconstraint> instead of "r" as operand 1 constraint.
8255
82562006-10-06  Olivier Hainque  <hainque@adacore.com>
8257
8258	* gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
8259	Don't recurse on the pointed-to type.
8260	* c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
8261	DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
8262	types with components of variable size.
8263
82642006-10-06  Danny Smith  <dannysmith@users.sourceforge.net>
8265
8266	* config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
8267
82682006-10-06  Jakub Jelinek  <jakub@redhat.com>
8269
8270	PR tree-optimization/29290
8271	* tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
8272	multiple exits.
8273
8274	PR target/29198
8275	* config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
8276	* config/i386/predicates.md (local_symbolic_operand): Likewise.
8277
8278	PR c/29091
8279	* varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
8280	the number of vector elements fill the rest with zeros.
8281
82822006-10-05  Richard Sandiford  <richard@codesourcery.com>
8283
8284	* config/mips/mips.c (mips_pass_by_reference): Do not return false
8285	for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
8286	instead.
8287
82882006-10-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8289
8290	* config/bfin/bfin.md (subsi3): Lose expander, change previously
8291	unnamed pattern into subsi3.  Use correct constraints/predicates.
8292	* config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8293	* config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8294
82952006-10-05  Ira Rosen  <irar@il.ibm.com>
8296
8297	* doc/loop.texi: Add data references analysis description.
8298
82992006-10-04  Brooks Moses  <bmoses@stanford.edu>
8300
8301	* doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8302
83032006-10-04  Richard Henderson  <rth@redhat.com>
8304	    Jakub Jelinek  <jakub@redhat.com>
8305
8306	* Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8307	* builtin-types.def (BT_WORD): Make unsigned.
8308	(BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8309	* builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8310	(BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8311	* c-decl.c (grokdeclarator): Don't error if !have_tls.
8312	* c-parser.c (c_parser_omp_threadprivate): Likewise.
8313	* cgraph.c (decide_is_variable_needed): Look at force_output.
8314	Recurse for emulated tls.
8315	* cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8316	checks redundant with decide_is_variable_needed.
8317	(cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8318	* dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8319	emulated tls.
8320	* expr.c (emutls_var_address): New.
8321	(expand_expr_real_1): Expand emulated tls.
8322	(expand_expr_addr_expr_1): Likewise.
8323	* libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8324	* output.h (emutls_finish): Declare.
8325	* toplev.c (compile_file): Call it.
8326	* tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8327	address before wrapping in CONST.
8328	* varasm.c (emutls_htab, emutls_object_type): New.
8329	(EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8330	(get_emutls_object_name, get_emutls_object_type): New.
8331	(get_emutls_init_templ_addr, emutls_decl): New.
8332	(emutls_common_1, emutls_finish): New.
8333	(assemble_variable): When emulating tls, swap decls; generate
8334	constructor for the emutls objects.
8335	(do_assemble_alias): When emulating tls, swap decl and target name.
8336	(default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8337	for emulated tls.
8338	* emutls.c: New file.
8339	* config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8340	tls_object for real tls.
8341
83422006-10-04  Zack Weinberg  <zackw@panix.com>
8343
8344	Fix bug in constraint-check generator, reported by Rask Ingemann
8345	Lambertsen:
8346	* genpreds.c (add_constraint): Don't remove anything from the
8347	expression here.
8348	(write_tm_constrs_h): Detect whether "op" argument is used, and
8349	mark it ARG_UNUSED if it isn't.
8350	(write_insn_const_int_ok_for_constraint): Skip the part of the
8351	expression that would test whether "op" (which is not available
8352	here) is a CONST_INT.
8353
83542006-10-04  Ryan Mansfield  <rmansfield@qnx.com>
8355
8356	PR c++/28448
8357	* doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8358
83592006-10-03  Geoffrey Keating  <geoffk@apple.com>
8360
8361	* config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8362	current Leopard versions.
8363	* config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8364
83652006-10-03  Kazu Hirata  <kazu@codesourcery.com>
8366
8367	* doc/install.texi: Fix typos.
8368
83692006-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8370
8371	* builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8372	* doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8373	* config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8374
83752006-10-02  Jack Howarth  <howarth@bromo.med.uc.edu>
8376
8377	* unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8378	arg to be struct mach_header_64* instead.
8379
83802006-10-02  Jakub Jelinek  <jakub@redhat.com>
8381
8382	PR c/29154
8383	* gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8384	side effects after the outer expression's post side effects.
8385
83862006-10-01  Sandra Loosemore  <sandra@codesourcery.com>
8387
8388	* tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
8389	comments to reflect actual behavior and relationship between
8390	DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8391
8392	* doc/c-tree.texi (Working with declarations): Fix documentation
8393	of FIELD_DECL likewise.
8394
83952006-10-01  Ryan Mansfield  <rmansfield@qnx.com>
8396
8397	PR c/20533
8398	* doc/extend.texi: Add used variable attribute description.
8399
84002006-09-30  Joseph S. Myers  <joseph@codesourcery.com>
8401
8402	PR c/24010
8403	* c.opt (Woverride-init): New.
8404	* c-opts.c (c_common_post_options): Default warn_override_init to
8405	extra_warnings.
8406	* c-typeck.c (add_pending_init, output_init_element): Warn for
8407	overriding initializers without side effects.
8408	* doc/invoke.texi (-Woverride-init): Document.
8409	(-Wextra): Update.
8410
84112006-09-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
8412
8413	PR rtl-optimization/28096
8414	* ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8415	assignment has already been used as a destination earlier in the block.
8416
84172006-09-29  Eric Botcazou  <ebotcazou@adacore.com>
8418
8419	* builtins.c (expand_builtin_setjmp): Delete.
8420	(expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8421	<BUILT_IN_SETJMP_SETUP>: New case.
8422	<BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8423	<BUILT_IN_SETJMP_RECEIVER>: Likewise.
8424	* builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8425	(BUILT_IN_SETJMP_DISPATCHER): Likewise.
8426	(BUILT_IN_SETJMP_RECEIVER): Likewise.
8427	* gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8428	(lower_function_body): Initialize it to false.  If it is set to true
8429	at the end of the processing, emit the setjmp dispatcher.
8430	(lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8431	is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8432	<MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8433	on the rhs of the assignment.
8434	(lower_builtin_setjmp): New function.
8435	* tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8436	BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8437	* tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8438	to detect calls that can go to non-local labels.  Use specific
8439	helper to create the abnormal edges associated with them.
8440	<MODIFY_EXPR>: Likewise.
8441	(make_abnormal_goto_edges): New function extracted from...
8442	(make_goto_expr_edges): ...here.  Call it for computed gotos.
8443	(simple_goto_p): Minor tweak.
8444	(tree_can_make_abnormal_goto): New predicate.
8445	(tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8446	(tree_purge_dead_abnormal_call_edges): New function.
8447	* tree-flow.h (tree_can_make_abnormal_goto): Declare.
8448	(tree_purge_dead_abnormal_call_edges): Likewise.
8449	(make_abnormal_goto_edges): Likewise.
8450	* tree-inline.c (expand_call_inline): Simplify statement frobbing.
8451	Purge all dead abnormal edges if the call was in the last statement.
8452	* tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8453	(execute_fixup_cfg): If there are non-local labels in the function,
8454	scan the basic blocks and split them at calls that can go to non-local
8455	labels or add missing abnormal call edges.  Write down the CFG in the
8456	dump file.
8457	(pass_fixup_cfg): Remove TODO_dump_func flag.
8458	* unwind-sjlj.c: Poison setjmp.
8459	* doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8460	* doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8461	(TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8462	(DONT_USE_BUILTIN_SETJMP): Document it.
8463
84642006-09-28  Geoffrey Keating  <geoffk@apple.com>
8465
8466	PR target/28617
8467	* config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8468	to 1 when __ppc64__ is defined.
8469	* config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8470	darwin-64.c.
8471	* config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8472
84732006-09-28  Steve Ellcey  <sje@cup.hp.com>
8474
8475	* config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8476	* config/ia64/unwind-hpux.c: Delete.
8477
84782006-09-28  Eric Botcazou  <ebotcazou@adacore.com>
8479
8480	* gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8481	on the element before gimplifying it, instead of punting if it is of
8482	variable size.
8483
84842006-09-28  Zdenek Dvorak <dvorakz@suse.cz>
8485
8486	* doc/loop.texi: New file.
8487	* doc/gccint.texi: Reference loop.texi.
8488	* Makefile.in (loop.texi): Add.
8489
84902006-09-27  Geoffrey Keating  <geoffk@apple.com>
8491
8492	* config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8493	__sysctl.
8494	* config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8495	* config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8496
84972006-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8498
8499	* config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8500
85012006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
8502
8503	* doc/install.texi: Document required versions of GMP and MPFR.
8504
85052006-09-27  Paul Brook  <paul@codesourcery.com>
8506
8507	PR target/29230
8508	* config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8509
85102006-09-27  Richard Sandiford  <richard@codesourcery.com>
8511
8512	* reload1.c (alter_reg): Require the alignment of the stack slot to
8513	be at least reg_max_ref_width bytes.
8514	(scan_paradoxical_subregs): Record the largest width in
8515	reg_max_ref_width.
8516
85172006-09-26  Jakub Jelinek  <jakub@redhat.com>
8518
8519	PR middle-end/25261
8520	PR middle-end/28790
8521	* tree-nested.c (struct nesting_info): Added static_chain_added.
8522	(convert_call_expr): Set static_chain_added when adding static
8523	chain.  Handle OMP_PARALLEL and OMP_SECTION.
8524
85252006-09-25  Matthias Klose  <doko@debian.org>
8526
8527	* doc/invoke.texi: Add missing full stop.
8528
85292006-09-25  Richard Henderson  <rth@redhat.com>
8530
8531	* cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8532	before cgraph_function_flags_ready.
8533
85342006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
8535	    Adam Nemet  <anemet@caviumnetworks.com>
8536
8537	* tree-ssa-loop-ivopts.c (aff_combination_convert,
8538	determine_common_wider_type): New functions.
8539	(get_computation_aff): Use them to simplify arithmetic between
8540	UBASE and CBASE if they are shortened from the same type.
8541
85422006-09-24  Kazu Hirata  <kazu@codesourcery.com>
8543
8544	PR target/28911
8545	* config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8546	-2147483647 - 1 instead of 0x80000000.
8547
85482006-09-23  Revital1 Eres  <ERES@il.ibm.com>
8549
8550	* flags.h (HONOR_NANS): Fix typo in comment.
8551
85522006-09-23  Uros Bizjak <uros@kss-loka.si>
8553
8554	* config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8555
85562006-09-23  Jakub Jelinek  <jakub@redhat.com>
8557
8558	PR c/28706
8559	PR c/28712
8560	* tree.c (merge_attributes, attribute_list_contained): If both
8561	TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8562	simple_cst_equal.
8563	* c-typeck.c (comptypes_internal): Don't consider aggregates
8564	in different TUs as compatible if there one set of attributes is
8565	not a subset of the other type's attributes.
8566	(composite_type): Try harder not to create a new aggregate type.
8567
85682006-09-22  Geoffrey Keating  <geoffk@apple.com>
8569
8570	* config/i386/driver-i386.c: Always define host_detect_local_cpu.
8571	* config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8572	or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
8573	(CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8574	than replicating condition above.
8575	* config.host (i[34567]86-*-*): Always use driver-i386.o.
8576
8577	* config/darwin.h (LINK_SYSROOT_SPEC): New.
8578	(LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8579	the linker by default.
8580
85812006-09-22  Mike Stump  <mrs@apple.com>
8582
8583	* config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8584	code.
8585
85862006-09-22  Richard Guenther  <rguenther@suse.de>
8587
8588	PR middle-end/28964
8589	* cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8590	sort of stack variables stable.
8591
85922006-09-22  Peter Bergner <bergner@vnet.ibm.com>
8593
8594	PR middle-end/28690
8595	* explow.c (force_reg): Set REG_POINTER flag according to
8596	MEM_POINTER flag.
8597
85982006-09-22  Zdenek Dvorak <dvorakz@suse.cz>
8599
8600	PR tree-optimization/28888
8601	* tree-if-conv.c (combine_blocks): Rewritten.
8602	* tree-cfg.c (tree_verify_flow_info): Check that edges with
8603	EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8604
86052006-09-22  Jakub Jelinek  <jakub@redhat.com>
8606
8607	* tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8608	needed.
8609
86102006-09-21  Richard Sandiford  <richard@codesourcery.com>
8611
8612	* varasm.c (copy_constant): Fix reversed gcc_assert check.
8613
86142006-09-21  Janis Johnson  <janis187@us.ibm.com>
8615
8616	* ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8617
86182006-09-21  Roger Sayle  <roger@eyesopen.com>
8619
8620	PR debug/29132
8621	* dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8622	dw_fde_current_label, to be the start of the function, i.e. the same
8623	value as dw_fde_begin.
8624
86252006-09-20  Richard Sandiford  <richard@codesourcery.com>
8626
8627	* config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8628	* config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8629	(UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8630	(UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8631	(*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8632	(*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8633	(abs<mode>2, neg<mode>2): Likewise.
8634	* config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8635	(*mips_abs_ps): New define_insn.
8636
86372006-09-20  Josh Conner  <jconner@apple.com>
8638
8639	PR middle-end/25505
8640	* calls.c (expand_call): Allow reuse of structure return stack
8641	temp.
8642
86432006-09-20  Paul Brook  <paul@codesourcery.com>
8644
8645	* config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8646	positive offsets.
8647
86482006-09-20  Janis Johnson  <janis187@us.ibm.com>
8649
8650	* doc/extend.texi (Decimal Float): Update for latest draft TR,
8651	clean up terminology.
8652
86532006-09-20  Steve Ellcey  <sje@cup.hp.com>
8654
8655	PR target/28574
8656	* ifcvt.c (dead_or_predicable): Don't predicate then blocks
8657	with tablejumps in them.
8658
86592006-09-20  Jakub Jelinek  <jakub@redhat.com>
8660
8661	PR middle-end/28046
8662	* c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8663	wrap it into TARGET_EXPR.
8664
86652006-09-20  Eric Christopher  <echristo@apple.com>
8666
8667	* config/i386/i386.c (x86_fisttp): Remove.
8668	* config/i386/i386.h (x86_fisttp): Ditto.
8669	(TARGET_FISTTP): Ditto.
8670
86712006-09-19  Eric Christopher  <echristo@apple.com>
8672
8673	* doc/tm.texi (OBJC_JBLEN): Describe.
8674	* config/i386/darwin.h (OBJC_JBLEN): Define.
8675	* config/rs6000/darwin.h: Ditto.
8676
86772006-09-19  Steven Bosscher  <steven@gcc.gnu.org>
8678
8679	PR rtl-optimization/21299
8680	* reload1.c (reload): Purge invalid ASMs in the final pass.
8681
86822006-09-19  Steve Ellcey  <sje@cup.hp.com>
8683
8684	PR  28490
8685	* config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8686	pointers as legitimate constants.
8687
86882006-09-19  Paul Brook  <paul@codesourcery.com>
8689
8690	PR target/28516
8691	* config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8692
86932006-09-17  Zdenek Dvorak <dvorakz@suse.cz>
8694
8695	PR tree-optimization/28887
8696	* tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8697	component parts from the reference.
8698	(gather_memory_references_ref): Record the reference without the
8699	nonaddressable component parts.
8700
87012006-09-17  Steven Bosscher  <steven@gcc.gnu.org>
8702
8703	PR c/25993
8704	* c-opts.c (c_common_handle_option): Ignore the -std options
8705	if the input language is assembly.
8706
87072006-09-17  Ira Rosen  <irar@il.ibm.com>
8708
8709	PR tree-opt/21591
8710	* tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8711	tag first.
8712	(ptr_ptr_may_alias_p): Likewise.
8713	(record_record_differ_p): New function.
8714	(base_object_differ_p): Call record_record_differ_p.
8715
87162006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
8717
8718	PR tree-opt/29059
8719	* tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8720	away for the expr argument.
8721
87222006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
8723
8724	PR tree-opt/27742
8725	* tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8726	before using it for dumping after vectorizing loops.
8727
87282006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
8729	    Jack Howarth  <howarth@bromo.med.uc.edu>
8730
8731	PR target/29030
8732	* config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8733	skip on error_mark_node.
8734	(rs6000_darwin64_record_arg_recurse): Likewise.
8735
87362006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
8737
8738	* rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8739	* doc/rtl.texi: Remove related documentation.
8740
87412006-09-16  Bernd Schmidt  <bernd.schmidt@analog.com>
8742
8743	* loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8744	printf.
8745
87462006-09-15  Jim Wilson  <wilson@specifix.com>
8747
8748	* config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8749	Handle symbol offsets same as they are handled in ia64_expand_move
8750	and move_operand.
8751
87522006-09-16  Andreas Tobler  <a.tobler@schweiz.org>
8753
8754	* loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8755	Add forgotten parameter to the fprintf call.
8756
87572006-09-15  Steve Ellcey  <sje@cup.hp.com>
8758
8759	* config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8760
87612006-09-15  Uros Bizjak <uros@kss-loka.si>
8762
8763	* doc/contrib.texi: Add my entry.
8764
87652006-09-15  Nick Clifton  <nickc@redhat.com>
8766
8767	* doc/md.texi (Processor pipeline description): Fix typo in
8768	example of how to use the absence_set directive and reword the
8769	description to make it slightly easier to read.
8770
87712006-09-15  Bernd Schmidt  <bernd.schmidt@analog.com>
8772
8773	* params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8774	* loop-doloop.c (doloop_optimize): Use it to limit costs of
8775	expanding the number of iterations.
8776	* config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8777
8778	* cfgrtl.c (emit_insn_at_entry): New function.
8779	* rtl.h (emit_insn_at_entry): Declare it.
8780	* integrate.c (emit_initial_value_sets): Use it.
8781
8782	* cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8783
8784	* config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8785	bad.
8786	(struct loop_work and related VEC declarations): Delete.
8787	(bfin_dump_loops): Print out new member bad.
8788	(bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
8789	(bfin_scan_loop): Don't recurse.
8790	(bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8791	loops.  No longer need to update outer loops if the current one is
8792	found bad.  Move some validitiy checks to bfin_discover_loop.
8793	(bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8794	but changed not to check for nesting.  Also changed to use the new bad
8795	flag.
8796	(bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8797	time.  Use bitmap based test to discover loop nesting.
8798
87992006-09-15  Kazu Hirata  <kazu@codesourcery.com>
8800
8801	* doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8802	one line.
8803
88042006-09-14  Richard Guenther  <rguenther@suse.de>
8805	    Kazu Hirata  <kazu@codesourcery.com>
8806
8807	PR middle-end/28884.
8808	* doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8809	(FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8810	Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8811	with TARGET_FUNCTION_VALUE.
8812
88132006-09-14  Anatoly Sokolov <aesok@post.ru>
8814
8815	PR target/26504
8816	* config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8817
88182006-09-13  Aldy Hernandez  <aldyh@redhat.com>
8819
8820	* doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8821	of a RETURN_EXPR
8822
88232006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
8824
8825	PR debug/28980
8826	* dwarf2out.c (loc_descriptor_from_tree_1): Handle
8827	FUNCTION_DECL.
8828
88292006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8830
8831	* basic_block.h (bb_has_eh_pred): Fix comment.
8832
88332006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8834
8835	* flow.c (calculate_global_regs_live): Invalidate eh registers
8836	on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8837	(propagate_block): Handle eh registers as if they were set at basic
8838	block start.
8839	* except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8840	registers.
8841	* global.c (global_conflicts): Make eh registers to conflict with
8842	pseudos live at basic block begin.
8843	* basic_block.h (bb_has_eh_pred): New function.
8844
88452006-09-13  Richard Sandiford  <richard@codesourcery.com>
8846
8847	PR rtl-optimization/28982
8848	* reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8849	index of a PRE_MODIFY or POST_MODIFY address.
8850	* reload1.c (inc_for_reload): Use find_replacement on the original
8851	base and index registers.
8852
88532006-09-12  H.J. Lu  <hongjiu.lu@intel.com>
8854
8855	* doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8856	for -Os. Update __m128 alignment requirement.
8857
88582006-09-13  Jan Hubicka  <jh@suse.cz>
8859
8860	* cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8861
88622006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8863
8864	PR rtl-optimization/28243
8865	* combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8866	the insn to which the note was originally attached.
8867
88682006-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
8869	    Roger Sayle  <roger@eyesopen.com>
8870
8871	* dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8872	outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8873	on platforms that don't use dwarf for debug info.
8874
88752006-09-12  Jason Merrill  <jason@redhat.com>
8876
8877	PR middle-end/28493
8878	* builtins.c (expand_builtin_setjmp_receiver): Clobber
8879	hard_frame_pointer_rtx after using it to update the frame pointer.
8880
88812006-09-12  Roger Sayle  <roger@eyesopen.com>
8882
8883	* target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8884	(TARGET_ASM_CLOSE_PAREN): Likewise.
8885	* config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8886	(TARGET_ASM_CLOSE_PAREN): Likewise.
8887
88882006-09-12  Roger Sayle  <roger@eyesopen.com>
8889
8890	PR target/22223
8891	* config/alpha/alpha.c (alpha_start_function): Don't emit stack
8892	frame information for frames larger than 512 Kbytes on Tru64 when
8893	using the native assembler.
8894
88952006-09-12  Roger Sayle  <roger@eyesopen.com>
8896
8897	PR middle-end/4520
8898	PR bootstrap/28784
8899	* cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8900	and symbols.  Instead use the implementation from cse.c's hash_rtx.
8901
89022006-09-12  Jan Hubicka  <jh@suse.cz>
8903
8904	PR rtl-optimization/28071
8905	* tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8906	(vect_transform_loop): Likewise.
8907	* tree-vectorizer.c (new_loop_vec_info): Likewise.
8908	(new_loop_vec_info): Likewise.
8909	(destroy_loop_vec_info): Likewise.
8910	* tree-dfa.c (create_var_ann): Use GCC_CNEW.
8911	(create_stmt_ann): Likewise.
8912	(create_tree_ann): Rename to ...
8913	(create_tree_common_ann): ... this one; allocate only the common part
8914	of annotations.
8915	* tree-vn.c (set_value_handle): Use get_tree_common_ann.
8916	(get_value_handle): Likewise.
8917	* tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8918	get_tree_common_ann.
8919	* tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8920	(vinfo_for_stmt): Use stmt annotations.
8921	* tree-flow.h (tree_ann_common_t): New type.
8922	(tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8923	(tree_ann, get_tree_ann, create_tree_ann): New.
8924	* tree-flow-inline.h (get_function_ann): Do more type checking.
8925	(stmt_ann): Likewise.
8926	(tree_ann): Rename to ...
8927	(tree_common_ann): ... this one; return ony common_ann
8928	(get_tree_ann): Rename to ...
8929	(tree_common_ann): This one; return only common_ann.
8930	* tree-vect-patterns.c (vect_pattern_recog_1): Update call
8931	of set_stmt_info.
8932
89332006-09-11  Geoffrey Keating  <geoffk@apple.com>
8934
8935	* config.gcc (i[34567]86-*-darwin*): Set with_arch and
8936	with_cpu by default.
8937
8938	* dwarf2out.c (dwarf_file_data): New.
8939	(enum dw_val_class): Add dw_val_class_file.
8940	(struct dw_val_struct): Add val_file.
8941	(file_table): Change to a hash table.
8942	(file_table_emitted): Delete.
8943	(file_table_last_lookup_index): Delete.
8944	(emitcount): Delete.
8945	(last_emitted_file): New.
8946	(lookup_filename): Change prototype to return a struct dwarf_file_data.
8947	(init_file_table): Delete.
8948	(maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8949	(AT_addr): Add comment.
8950	(add_AT_file): New.
8951	(AT_file): New.
8952	(get_AT_file): New.
8953	(print_die): Handle dw_val_class_file.
8954	(print_dwarf_line_table): Update for new file table structure.
8955	(attr_checksum): Do checksum a filename.
8956	(same_dw_val_p, same_attr_p): Do compare a filename.
8957	(size_of_die): Handle dw_val_class_file.
8958	(value_format): Likewise.
8959	(output_die): Likewise.  Also, call maybe_emit_file here.
8960	(struct file_info): Constify filenames.  Make file_idx a pointer
8961	to a struct dwarf_file_data.
8962	(struct dir_info): Constify directory names.  Remove 'used' field.
8963	(struct file_name_acquire_data): New.
8964	(file_name_acquire): New.
8965	(output_file_names): Modify to handle new file data structures.
8966	(add_src_coords_attributes): Use add_AT_file.
8967	(add_call_src_coords_attributes): Likewise.
8968	(dwarf2out_imported_module_or_decl): Likewise.
8969	(gen_subprogram_die): Modify for new file data structures.
8970	(gen_variable_die): Likewise.
8971	(file_table_eq): New.
8972	(file_table_hash): New.
8973	(file_table_last_lookup): New.
8974	(lookup_filename): Rewrite to handle new file data structures.
8975	(maybe_emit_file): Rewrite to handle new file data structures.
8976	(dwarf2out_source_line): Always call lookup_filename and
8977	maybe_emit_file.
8978	(dwarf2out_init): Create file_table here.
8979	(prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8980	(file_table_relative_p): New.
8981	(dwarf2out_finish): Change detection of relative filenames
8982	to work with new file data structures.  Move output_line_info call
8983	after debug_info output.
8984
89852006-09-11  H.J. Lu  <hongjiu.lu@intel.com>
8986
8987	PR target/13685
8988	PR target/27537
8989	PR target/28621
8990	* config/i386/i386.c (override_options): Always default to 16
8991	byte stack boundary.
8992
89932006-09-11  Alexandre Oliva  <aoliva@redhat.com>
8994
8995	PR target/28672
8996	* var-tracking.c (dump_dataflow_set): Start dumping at
8997	register zero.
8998	(clobber_variable_part): Kill only the variable part in
8999	registers holding it, leaving other variables alone.
9000
90012006-09-11  Josh Triplett  <josh@freedesktop.org>
9002
9003	* doc/extend.texi (Other Builtins): Actually use the macro
9004	argument in the documentation example for
9005	__builtin_types_compatible_p.
9006
90072006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
9008
9009	PR rtl-optimization/28726
9010	* sched-deps.c (sched_analyze_reg): New function extracted from...
9011	(sched_analyze_1): ...here.  Call it to analyze references to
9012	registers.  Treat again writes to a stack register as writing to the
9013	register.
9014	(sched_analyze_2): ...and here.  Call it to analyze references to
9015	registers.  Treat again reads of a stack register as reading the
9016	register.
9017
90182006-09-11  Guenter Roeck  <guenter@roeck-us.net>
9019	    David Edelsohn  <edelsohn@gnu.org>
9020
9021	PR target/27287
9022	* config/rs6000/spe.md (frob_df_di): Remove %H.
9023	(frob_di_df): Remove %H.  Change evmergelo to mr.
9024	(frob_di_df_2): Remove %H.  Change evldd to two loads.
9025
90262006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>
9027
9028	* doc/cpp.texi: Fix names of charset options.
9029
90302006-09-10  Andrew Pinski  <pinskia@physics.uc.edu>
9031
9032	PR target/29009
9033	* config/i386/i386.c (override_options): Use 128-bit
9034	stack boundary always for 64bits.
9035
90362006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
9037
9038	PR rtl-optimization/28636
9039	* combine.c (force_to_mode): Test for side-effects before
9040	substituting by zero.
9041	(simplify_shift_const): Likewise for zero or other constants.
9042
90432006-09-10  Steven Bosscher  <steven@gcc.gnu.org>
9044
9045	PR middle-end/26983
9046	* builtins.c (expand_builtin_setjmp): Force next_lab to be
9047	preserved.
9048
90492006-09-10  Richard Sandiford  <richard@codesourcery.com>
9050
9051	PR target/29006
9052	* config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
9053	* config/mips/mips.c (mips_expand_unaligned_store): Use the mode
9054	returned by mode_for_size, rather than the mode of src itself,
9055	to choose between 32-bit and 64-bit patterns.
9056	(mips_mem_fits_mode_p): New function.
9057	* config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
9058	that the size of the source matches the size of the destination.
9059	(mov_<store>l, mov_<store>r): Likewise.
9060
90612006-09-10  Eric Christopher  <echristo@apple.com>
9062
9063	* config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
9064	for literal16.
9065
90662006-09-09  Eric Christopher  <echristo@apple.com>
9067
9068	PR target/28995
9069	* config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
9070	for literal16.
9071
90722006-09-09  Roger Sayle  <roger@eyesopen.com>
9073	    Nicolas Setton <setton@adacore.com>
9074
9075	* dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
9076
90772006-09-10  Andreas Schwab  <schwab@suse.de>
9078
9079	* config/m68k/m68k.md (bungt_rev): New pattern.
9080
90812006-09-09  Paolo Bonzini  <bonzini@gnu.org>
9082	    Dale Johannesen  <dalej@apple.com>
9083
9084	PR target/26778
9085	* regclass.c (struct reg_pref): Update documentation.
9086	(regclass): Set prefclass to NO_REGS if memory is the best option.
9087	(record_reg_classes): Cope with a prefclass set to NO_REGS.
9088
90892006-09-08  Eric Christopher  <echristo@apple.com>
9090
9091	* config.gcc (i?86-*-darwin): Add 64-bit HWI support.
9092	* config/t-slibgcc-darwin: Support x86_64 multilib.
9093	* config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
9094	Return 1 for x86_64-darwin.
9095	* config/i386/t-darwin: Add m64 multilib.
9096	(LIB2_SIDITI_CONV_FUNCS): Use.
9097	(LIB2FUNCS_EXTRA): Ditto.
9098	* config/i386/darwin.h: Support x86_64.
9099	* config/i386/i386.c (override_options): Turn on flag_pic
9100	for x86_64-darwin. Disable flag_omit_pointer.
9101	(get_pc_thunk_name): Assert !TARGET_64BIT.
9102	(legitimate_address_p): Disable machopic addressing for
9103	x86_64.
9104	(legitimize_pic_address): Ditto.
9105	(ix86_expand_move): Ditto.
9106	(ix86_expand_call): Ditto.
9107	(machopic_output_stub): Ditto.
9108	* config/darwin.c (machopic_select_section): Support literal16.
9109	(machopic_select_rtx_section): Ditto.
9110	* config/darwin-sections.def: Ditto.
9111	* config/darwin-64.c: New.
9112
91132006-09-08  Joseph S. Myers  <joseph@codesourcery.com>
9114
9115	PR c/28504
9116	* c-tree.h (struct c_arg_info): Add pending_sizes.
9117	* c-parser.c (c_parser_parms_declarator,
9118	c_parser_parms_list_declarator): Initialize pending_sizes.
9119	* c-decl.c (get_parm_info): Initialize pending_sizes.
9120	(get_parm_info): Set pending_sizes.
9121	(grokdeclarator): Call put_pending_sizes for parameters for
9122	function definition only.
9123
91242006-09-07  Jason Merrill  <jason@redhat.com>
9125
9126	PR middle-end/27724
9127	* varasm.c (output_constant): Only strip actual no-op conversions.
9128
9129	PR target/13685
9130	* config/i386/i386.c (override_options): Use 128-bit
9131	stack boundary if -msse.
9132
91332006-09-07  Eric Christopher  <echristo@apple.com>
9134
9135	* config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
9136	comment.
9137	* config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
9138	Redefine.
9139
91402006-09-07  Geoffrey Keating  <geoffk@apple.com>
9141
9142	* dwarf2out.c: Remove strange characters from comment above
9143	dwarf2out_frame_debug_expr.
9144
91452006-09-07  Eric Christopher  <echristo@apple.com>
9146
9147	* config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
9148	* config/darwin.h: ... to here.
9149
91502006-09-07  H.J. Lu  <hongjiu.lu@intel.com>
9151
9152	* config/i386/i386.c (x86_partial_flag_reg_stall): New.
9153
9154	* config/i386/i386.h (x86_partial_flag_reg_stall): New.
9155	(TARGET_PARTIAL_FLAG_REG_STALL): New.
9156
9157	* config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
9158	TARGET_PARTIAL_FLAG_REG_STALL.
9159	(*ashldi3_cconly_rex64): Likewise.
9160	(*ashlsi3_cmp): Likewise.
9161	(*ashlsi3_cconly): Likewise.
9162	(*ashlsi3_cmp_zext): Likewise.
9163	(*ashlhi3_cmp): Likewise.
9164	(*ashlhi3_cconly): Likewise.
9165	(*ashlqi3_cmp): Likewise.
9166	(*ashlqi3_cconly): Likewise.
9167	(*ashrdi3_cmp_rex64): Likewise.
9168	(*ashrdi3_cconly_rex64): Likewise.
9169	(*ashrsi3_cmp): Likewise.
9170	(*ashrsi3_cconly): Likewise.
9171	(*ashrsi3_cmp_zext): Likewise.
9172	(*ashrhi3_cmp): Likewise.
9173	(*ashrhi3_cconly): Likewise.
9174	(*ashrqi3_cmp): Likewise.
9175	(*ashrqi3_cconly): Likewise.
9176	(*lshrdi3_cmp_rex64): Likewise.
9177	(*lshrdi3_cconly_rex64): Likewise.
9178	(*lshrsi3_cmp): Likewise.
9179	(*lshrsi3_cconly): Likewise.
9180	(*lshrsi3_cmp_zext): Likewise.
9181	(*lshrhi3_cmp): Likewise.
9182	(*lshrhi3_cconly): Likewise.
9183	(*lshrqi2_cmp): Likewise.
9184	(*lshrqi2_cconly): Likewise.
9185
91862006-09-07 Uros Bizjak <uros@kss-loka.si>
9187
9188	PR target/28946
9189	* config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
9190	"*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
9191	"*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
9192	"*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
9193	"*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
9194	"*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
9195	"*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
9196	"*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
9197	"*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
9198	implement only CC setting effects of shift instructions.
9199
92002006-09-07  Martin Michlmayr  <tbm@cyrius.com>
9201
9202	* doc/contrib.texi: Add myself.
9203
92042006-09-07  Andrew Pinski  <pinskia@physics.uc.edu>
9205
9206	PR middle-end/28862
9207	* stor-layout.c (relayout_decl): Don't zero the alignment if it
9208	was set by the user.
9209
92102006-09-07  Paolo Bonzini  <bonzini@gnu.org>
9211
9212	PR target/27117
9213	* config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
9214	(divsi_inv_m1): Use them.
9215	(UNSPEC_DIV_INV_TABLE): New constant.
9216
92172006-09-06  James E Wilson  <wilson@specifix.com>
9218
9219	PR rtl-opt/27883
9220	* flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
9221	then call count_or_remove_death_notes.
9222
92232006-09-06  Jason Merrill  <jason@redhat.com>
9224
9225	PR c++/27371
9226	* tree-inline.c (copy_result_decl_to_var): New fn.
9227	(declare_return_variable): Use it.  Call declare_inline_vars here.
9228	(expand_call_inline): Not here.
9229
92302006-09-06  Diego Novillo  <dnovillo@redhat.com>
9231
9232	* doc/contrib.texi: Update my entry.
9233
92342006-09-06  Nick Clifton  <nickc@redhat.com>
9235
9236	* config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
9237
92382006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
9239
9240	PR tree-opt/28937
9241	* tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
9242	(canonicalize_induction_variables): Likewise.
9243	(tree_unroll_loops_completely): Likewise.
9244	(tree_ssa_prefetch_arrays): Likewise.
9245	(remove_empty_loops): Likewise.
9246	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
9247	TODO_cleanup_cfg instead of directly calling
9248	cleanup_tree_cfg_loop.
9249	* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
9250	Likewise.
9251	(tree_unroll_loops_completely): Likewise.
9252	(remove_empty_loops): Likewise.
9253	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
9254	* tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
9255	of tree_ssa_unswitch_loops.
9256	(tree_ssa_loop_ivcanon): Use the return value of
9257	canonicalize_induction_variables.
9258	(tree_ssa_empty_loop): Use the return value of
9259	remove_empty_loops.
9260	(tree_complete_unroll): Use the return value of
9261	tree_unroll_loops_completely.
9262	(tree_ssa_loop_prefetch): Use the return value of
9263	tree_ssa_prefetch_arrays.
9264	* passes.c (execute_todo): Before Cleanup CFG, set
9265	updating_used_alone and after cleanup CFG, call
9266	recalculate_used_alone.
9267
92682006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
9269
9270	PR tree-opt/28952
9271	* tree-vect-transform.c (vectorizable_condition): Move the check
9272	for the type after the check for simple condition.
9273
92742006-09-05  J"orn Rennecke  <joern.rennecke@st.com>
9275	    Kaz Kojima  <kkojima@gcc.gnu.org>
9276
9277	PR target/28764
9278	* mode-switching.c (optimize_mode_switching): Make the destination
9279	block of an abnormal edge have no anticipatable mode.  Don't
9280	insert mode switching code at the end of the source block of
9281	an abnormal edge.
9282
92832006-09-05  Paolo Bonzini  <bonzini@gnu.org>
9284
9285	PR rtl-optimization/26847
9286	* simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
9287	(simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
9288	(simplify_plus_minus): Count n_constants while filling ops.  Replace
9289	qsort with insertion sort.  Before going through the array to simplify
9290	pairs, sort it.  Delay early exit until after the first sort, exiting
9291	only if no swaps occurred.  Simplify pairs in reversed order, without
9292	special-casing the first iteration.  Pack ops after simplifying pairs.
9293
92942006-09-05  Anatoly Sokolov <aesok@post.ru>
9295
9296	* config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9297	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9298	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9299	(avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9300
93012006-09-05  Richard Guenther  <rguenther@suse.de>
9302
9303	PR tree-optimization/28900
9304	* tree-if-conv.c (find_phi_replacement_condition): Gimplify
9305	compound conditional before creating COND_EXPR condition.
9306
93072006-09-05  Richard Guenther  <rguenther@suse.de>
9308
9309	PR tree-optimization/28905
9310	* tree-vrp.c (fix_equivalence_set): Manually implement
9311	!value_ranges_intersect_p to also handle symbolic ranges.
9312
93132006-09-05  Richard Guenther  <rguenther@suse.de>
9314
9315	PR middle-end/28935
9316	* tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9317	of a COND_EXPR.
9318
93192006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9320
9321	PR rtl-optimization/27616
9322	* cse.c (table_size): New static variable.
9323	(new_basic_block): Initialize it to 0.
9324	(remove_from_table): Decrement it.
9325	(insert): Increment it.
9326	(fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9327	(fold_rtx_mem): Enforce a cap on the recursion depth.  Call
9328	fold_rtx_mem_1 if under the cap.
9329	(fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
9330	the lookup of the equivalent expression and test for equality of the
9331	first operand of the equivalent expression before in turn looking up
9332	an equivalent constant for the second operand.
9333
93342006-09-02  Geoffrey Keating  <geoffk@apple.com>
9335
9336	Revert this change:
9337	2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
9338	* dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9339	pointer, instead of assuming it is possible to derive the
9340	correct args size from a call insn.
9341
93422006-09-02  Jakub Jelinek  <jakub@redhat.com>
9343
9344	PR middle-end/27567
9345	* builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9346	(fold_builtin_mempcpy): Rename to...
9347	(fold_builtin_memory_op): ... this.  Optimize one element copy
9348	into an assignment.
9349	(fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9350	functions.
9351	(expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9352	(expand_builtin_memcpy, expand_builtin_mempcpy,
9353	expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
9354	(fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9355	BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
9356	BUILT_IN_MEM{CPY,PCPY,MOVE}.
9357
93582006-09-01  DJ Delorie  <dj@redhat.com>
9359
9360	* config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
9361	(stzx_16): Likewise.
9362	("stzx_24_<mode>"): Likewise.
9363	("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9364	("cmp<mode>_op"): New.
9365	(cmp<mode>): Change to expander; just save operands.
9366	(b<code>_op): New.
9367	(b<code>): Change to expander, emit compare here.
9368	(s<code>_op): Change to use split and expander.
9369	(s<code>_24_op): Likewise.
9370	(s<code>_<mode>): New.
9371	(s<code>_<mode>_24): New.
9372	(movqicc_<code>_<mode): New.
9373	(movhicc_<code>_<mode>): New.
9374	(s<code>): New.
9375	(s<code>_24): New.
9376	* config/m32c/m32c.c (compare_op0, compare_op1): New.
9377	(m32c_pend_compare): New.
9378	(m32c_unpend_compare): New.
9379	(m32c_expand_scc): New.
9380	(m32c_expand_movcc): Emit the compare also.
9381	* config/m32c/predicates.md (mra_nopp_operand): New.
9382
93832006-09-01  J"orn Rennecke  <joern.rennecke@st.com>
9384	Richard Guenther  <rguenther@suse.de>
9385	Adam Nemet  <anemet@caviumnetworks.com>
9386
9387	PR middle-end/27226
9388	* builtins.c (get_pointer_alignment): Handle more forms
9389	of base addresses that can be used to derive more precise
9390	information about alignment.
9391
93922006-09-01  Jason Merrill  <jason@redhat.com>
9393
9394	PR c++/28899
9395	* gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9396	want_value.
9397
9398	* gimplify.c (voidify_wrapper_expr): Handle null type.
9399
94002006-09-01  Josh Conner  <jconner@apple.com>
9401
9402	PR c++/25505
9403	* tree-nrv.c (dest_safe_for_nrv_p): New function.
9404	(execute_return_slot_opt): Use it.
9405
94062006-08-31  Josh Conner  <jconner@apple.com>
9407
9408	PR c++/25505
9409	* tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9410	returning aggregates.
9411
94122006-08-31  Zdenek Dvorak <dvorakz@suse.cz>
9413
9414	PR tree-optimization/28839
9415	* tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9416	blocks in that phi arguments appear.
9417
94182006-08-31  Roger Sayle  <roger@eyesopen.com>
9419
9420	PR other/22313
9421	* dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9422	NULL, otherwise use an advance_loc4 to adjust relative to the
9423	current label.
9424	(output_cfi) <DW_CFA_set_loc>: Update the current label.
9425	(dwarf2out_switch_text_section): Reset the current label to avoid
9426	using advance_loc4 over section boundaries.
9427
94282006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>
9429
9430	PR target/24367
9431	* config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9432	r12 + SYMBOLIC_CONST.
9433
94342006-08-30  Richard Guenther  <rguenther@suse.de>
9435
9436	* Makefile.in (see.o): Add $(EXPR_H) dependency.
9437
94382006-08-30  Zdenek Dvorak <dvorakz@suse.cz>
9439
9440	PR rtl-optimization/27735
9441	* cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9442	Add new argument to keep track of whether an irreducible region
9443	was affected.  All callers changed.
9444	(fix_irreducible_loops): Removed.
9445	(remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9446	flags were invalidated.
9447
94482006-08-29  H.J. Lu  <hongjiu.lu@intel.com>
9449
9450	* config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9451	instead of SF operands.
9452	(*fop_df_comm_sse): Likewise.
9453	(*fop_df_comm_i387): Likewise.
9454	(*fop_df_1_mixed): Likewise.
9455	(*fop_df_1_sse): Likewise.
9456
94572006-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
9458	    J"orn Rennecke  <joern.rennecke@st.com>
9459
9460	PR tree-optimization/17506
9461	* tree-ssa.c (warn_uninit): If warning about a location outside of
9462	the current function, note where the variable was declared.
9463
94642006-08-28  Zdenek Dvorak <dvorakz@suse.cz>
9465
9466	PR tree-optimization/28411
9467	* double-int.c (double_int_div): Use double_int_divmod.
9468	(double_int_divmod, double_int_sdivmod, double_int_udivmod,
9469	double_int_mod, double_int_smod, double_int_umod): New functions.
9470	* double-int.h (double_int_divmod, double_int_sdivmod,
9471	double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9472	Declare.
9473	* tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9474	in double_int.
9475	(get_computation_aff, get_computation_cost_at): Handle double_int
9476	return type of constant_multiple_of.
9477
94782006-08-28  Kazu Hirata  <kazu@codesourcery.com>
9479
9480	PR middle-end/26632
9481	* convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9482	an implicit conversion.
9483
94842006-08-28  Prafulla Thakare  <prafullat@kpitcummins.com>
9485
9486	* config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9487
94882006-08-27  Roger Sayle  <roger@eyesopen.com>
9489
9490	* ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9491	x87 instructions.
9492
94932006-08-27  Kazu Hirata  <kazu@codesourcery.com>
9494
9495	* config/i386/crtfastmath.c: Fix a comment typo.
9496
94972006-08-26  Roger Sayle  <roger@eyesopen.com>
9498
9499	* tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9500	temporary visit flags on CASE_LABEL_EXPRs.
9501	* c-common.c (match_case_to_enum): Add function comment.  Avoid
9502	O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9503	(c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
9504	CASE_HIGH_SEEN for enumerated types.  If the switch expression is
9505	a constant, only warn if that constant value isn't handled.
9506
95072006-08-26  Joseph S. Myers  <joseph@codesourcery.com>
9508
9509	PR c++/24009
9510	* input.h (restore_input_file_stack): Declare.
9511	(INPUT_FILE_STACK_BITS): Define.
9512	* toplev.c (fs_p, input_file_stack_history,
9513	input_file_stack_restored, restore_input_file_stack): New.
9514	(push_srcloc, pop_srcloc): Check for input_file_stack_tick
9515	overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
9516	(pop_srcloc): Don't free old state of stack.
9517
95182006-08-26  David Edelsohn  <edelsohn@gnu.org>
9519
9520	PR target/27544
9521	* doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9522	(PowerPC Type Attributes): New.
9523
95242006-08-26  Bob Wilson  <bob.wilson@acm.org>
9525
9526	* config/xtensa/xtensa.c (function_arg_boundary): New.
9527	(function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9528	STACK_BOUNDARY.
9529	* config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9530	function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9531
95322006-08-26  Jakub Jelinek  <jakub@redhat.com>
9533
9534	PR middle-end/28683
9535	* cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9536	3 following insns.
9537
95382006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9539
9540	* flow.c (verify_wide_reg): Use internal_error for consistency failure.
9541	(verify_local_live_at_start): Likewise.
9542
95432006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
9544
9545	PR c/27893
9546	* gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9547	omp_add_variable): Treat sizes as variable whenever not
9548	INTEGER_CST.
9549
95502006-08-26  Richard Guenther  <rguenther@suse.de>
9551
9552	PR middle-end/28814
9553	* fold-const.c (fold_binary): Fold temporary to correct
9554	type before constructing new comparison.
9555
95562006-08-25  Fariborz Jahanian  <fjahanian@apple.com>
9557
9558	PR c/28418
9559	* c-gimplify.c (gimplify_compound_literal_expr): Don't add
9560	variable again if DECL_SEEN_IN_BIND_EXPR_P.
9561
95622006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
9563
9564	PR c/28299
9565	* c-decl.c (start_function): Don't try to process prototype
9566	information from old declaration that isn't a function.
9567
95682006-08-25  Jan Hubicka  <jh@suse.cz>
9569
9570	PR target/28621
9571	* config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9572
95732006-08-25  Alan Modra  <amodra@bigpond.net.au>
9574
9575	PR target/27075
9576	* config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9577	for 8 byte objects.
9578
95792006-08-25  J"orn Rennecke  <joern.rennecke@st.com>
9580
9581	PR tree-optimization/16876
9582	* c-typeck.c (c_convert_parm_for_inlining): Don't take early
9583	exit if PARM doesn't match VALUE.
9584
95852006-08-25  Bob Wilson  <bob.wilson@acm.org>
9586
9587	* config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9588	literal_prefix directive.
9589	(XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9590	* config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9591	* config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9592
95932006-08-25  David Edelsohn  <edelsohn@gnu.org>
9594
9595	PR target/28753
9596	* config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9597	predicate to general_operand.  Add 0->y and I->r alternatives.
9598
95992006-08-25  Kazu Hirata  <kazu@codesourcery.com>
9600
9601	* doc/tm.texi: Fix a typo.
9602	* predict.c: Fix comment typos.
9603
96042006-08-25  Nick Clifton  <nickc@redhat.com>
9605
9606	* config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9607	assertions of "cpu" and "machine".
9608
96092006-08-24  Andrew Pinski  <pinskia@physics.uc.edu>
9610
9611	PR tree-opt/28807
9612	* tree-ssa-operands.c (access_can_touch_variable): Don't say
9613	the access through a base which has an alias set of 0 cannot
9614	touch the variable.
9615
96162006-08-24  Bill Wendling  <wendling@apple.com>
9617
9618	* doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9619
96202006-08-24  Jan Hubicka  <jh@suse.cz>
9621
9622	* reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9623
96242006-08-24  Jan Hubicka  <jh@suse.cz>
9625
9626	PR debug/26881
9627	* cgraph.c: Fix comments.
9628	(cgraph_varpool_mark_needed_node): Mark only variables not already
9629	output to file.
9630	* cgraphunit.c: Update comments; include gt-cgraphunit.h
9631	(cgraph_varpool_assembled_nodes_queue): New static variable.
9632	(cgraph_varpool_assemble_decl): Record output decls for debug out code.
9633	(cgraph_varpool_output_debug_info): New function.
9634	(cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9635	* Makefile.in: Add gt-cgraphunit.h
9636
96372006-08-24  Jan Hubicka  <jh@suse.cz>
9638
9639	* predict.c (probability_reliable_p): New predicate.
9640	(edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9641	(predict_loops): Do not predict loop exit with less than 2%
9642	probability.
9643	* basic-block.h (edge_probability_reliable_p,
9644	br_prob_note_reliable_p): Declare.
9645	* ia64.h (ia64_print_operand): Do not disable on-chip branch
9646	prediction when static predictor is not reliable.
9647	* rs6000.c (output_cbranch): Likewise.
9648
96492006-08-23  Stuart Hastings  <stuart@apple.com>
9650
9651	PR 28825
9652	* gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9653	ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9654
96552006-08-21  Geoffrey Keating  <geoffk@apple.com>
9656
9657	PR debug/28692
9658	* dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9659	complex values, nor for generic vector values.
9660
96612006-08-22  Richard Guenther  <rguenther@suse.de>
9662
9663	PR middle-end/28776
9664	* tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9665	parameter.  Convert arguments to arithmetic expression to the
9666	chrecs type.
9667	(analyze_scalar_evolution_1): Adjust caller.
9668
96692006-08-22  Jan Hubicka  <jh@suse.cz>
9670
9671	Patch by Paolo Bonzini
9672	* reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9673	my previous patch.
9674
96752006-08-22  Daniel Berlin  <dberlin@dberlin.org>
9676
9677	PR tree-optimization/28003
9678	* tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9679	before grouping aliases.
9680
96812006-08-22  Roger Sayle  <roger@eyesopen.com>
9682
9683	* config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9684	if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9685
96862006-08-21  Jason Merrill  <jason@redhat.com>
9687
9688	PR c++/27115
9689	* gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9690	wrapper.  Loop to handle nested wrappers.
9691	(gimplify_bind_expr): Remove temp parameter.
9692	(gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9693	and STATEMENT_LIST on the rhs.
9694	(gimplify_statement_list): Voidify the STATEMENT_LIST.
9695	(gimplify_expr): Pass pre_p to gimplify_statement_list.
9696	(gimplify_target_expr): Remove special BIND_EXPR handling.
9697
96982006-08-21  J"orn Rennecke  <joern.rennecke@st.com>
9699
9700	* config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9701	#if !__SHMEDIA__ .
9702
97032006-08-21  Olivier Hainque  <hainque@adacore.com>
9704
9705	* gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9706	Arrange for the temporary captures of components overlapping the lhs
9707	to happen before the lhs is possibly cleared.
9708
97092006-08-21  Mark Shinwell  <shinwell@codesourcery.com>
9710
9711	* config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9712	necessary places to pass the correct "number of registers" values
9713	to _Unwind_VRS_Pop.
9714
97152006-08-20  Jan Hubicka  <jh@suse.cz>
9716
9717	* tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9718	(create_name_tags): Instead of quadratic checking use hashtable.
9719	* bitmap.h: Include hashtab.h.
9720	(bitmap_hash): Declare.
9721	* bitmap.c (bitmap_hash): New function.
9722
97232006-08-20  Jan Hubicka  <jh@suse.cz>
9724
9725	PR rtl-optimization/28071
9726	* tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9727	twice.
9728	* tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9729	* ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9730	(cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9731	cgraph_decide_inlining_incrementally): Update use of
9732	cgraph_check_inline_limits.
9733	* cgraph.c (edge_hash, edge_eq): New function.
9734	(cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9735	cgraph_edge_remove_caller, cgraph_node_remove_callees,
9736	cgraph_remove_node): Maintain call site hash.
9737	* cgraph.h (struct cgraph_node): Add call_site_hash.
9738	(cgraph_set_call_stmt): New function.
9739
97402006-08-20  Jan Hubicka  <jh@suse.cz>
9741
9742	PR rtl-optimization/28071
9743	* reload1.c (reg_has_output_reload): Turn into regset.
9744	(reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9745	choose_reload_regs, emit_reload_insns): Update to new
9746	reg_has_output_reload.
9747
97482006-08-20  Jan Hubicka  <jh@suse.cz>
9749
9750	PR middle-end/28779
9751	* ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9752	function body sizes.
9753	* cgraphunit.c (cgraph_analyze_function): Don't do so.
9754
97552006-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
9756
9757	PR target/28648 c:
9758	* tree.c (handle_dll_attribute): Return early if not a
9759	var or function decl.
9760
97612006-08-18  Joseph Myers  <joseph@codesourcery.com>
9762
9763	PR target/27565
9764	* config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9765	alignment of SPE vector types.
9766
97672006-08-18  Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
9768
9769	* tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9770
97712006-08-17  Jakub Jelinek  <jakub@redhat.com>
9772
9773	PR c/28744
9774	* cgraph.h (struct cgraph_node): Remove externally_visible
9775	bitfield.
9776	* cgraphunit.c (process_function_and_variable_attributes): Set
9777	local.externally_visible rather than externally_visible.
9778
9779	PR c/28744
9780	* c-common.c (handle_externally_visible_attribute): First look
9781	at TREE_CODE and only if it is function or var decl, check for
9782	non-public objects.  Don't warn for DECL_EXTERNAL.
9783	* cgraphunit.c (process_function_and_variable_attributes): Warn
9784	if externally_visible attribute is used on non-public object.
9785
97862006-08-17  Jan Hubicka  <jh@suse.cz>
9787
9788	PR tree-optimization/27865
9789	* reload1.c (forget_marked_reloads): New function.
9790	(forget_old_reloads_1): When data are passed, just mark the registers
9791	for later removal.
9792	(reload_as_needed): Use the new mechanizm.
9793
97942006-08-17  Alexandre Oliva  <aoliva@redhat.com>
9795
9796	PR target/28146
9797	* reload.h (reg_equiv_alt_mem_list): New declaration.
9798	* reload1.c (reg_equiv_alt_mem_list): New definition.
9799	(reload): Initialize it and release it.
9800	(delete_output_reload): Use it.
9801	* reload.c (push_reg_equiv_alt_mem): New function.
9802	(find_reloads_toplev): Call it.
9803	(find_reloads_address, find_reloads_address_1): Likewise.
9804	(find_reloads_subreg_address): Likewise.
9805
98062006-08-17  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9807
9808	PR rtl-optimization/28489
9809	* sched-ebb.c (begin_schedule_ready): Create basic block
9810	at the right place.
9811	(advance_target_bb): Skip empty blocks.
9812	* haifa-sched.c (bb_note): Make global.
9813	* sched-int.h (bb_note): Add prototype.
9814
98152006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9816
9817	PR tree-optimization/27865
9818	* tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9819	for pointer types.
9820	* tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9821	fold_used_pointer, pointer_used_p): New functions.
9822	(analyze_scalar_evolution_1): Use fold_used_pointer.
9823	* tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9824	* tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9825	for pointers.
9826
98272006-08-17  Paolo Bonzini <bonzini@gnu.org>
9828
9829	PR c++/28573
9830	* c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9831	or the INTEGER_CST.  Fail on a CALL_EXPR.
9832	(fold_offsetof): Pass new argument to fold_offsetof_1.
9833	* c-parser.c (c_parser_postfix_expression): Don't include a NULL
9834	operand into an INDIRECT_REF.
9835	* c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9836
98372006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9838
9839	PR gcov/profile/26570
9840	* value-prof.c (static_values): Removed.
9841	(tree_find_values_to_profile): Do not set static_values.
9842	(find_values_to_profile): Do not free static_values.
9843	* profile.c (instrument_values): Do not free the values.
9844	(branch_prob): Free the values.
9845
98462006-08-16  Naveen.H.S  <naveenh@kpitcummins.com>
9847
9848	* config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9849
98502006-08-16  Joseph S. Myers  <joseph@codesourcery.com>
9851
9852	PR c/27697
9853	* c-typeck.c (build_component_ref): Combine qualifiers of
9854	structure or union and field.
9855
98562006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9857
9858	PR rtl-optimization/28071
9859	* basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9860	* dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9861	* tree-into-ssa.c (struct dom_dfsnum): New.
9862	(cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9863	functions.
9864	(insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9865	compute_global_livein.
9866	(prepare_block_for_update, prepare_use_sites_for): Mark the uses
9867	in phi nodes in the correct blocks.
9868
98692006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9870
9871	PR tree-optimization/28364
9872	* tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9873	correctly.
9874	(fold_affine_expr): New function.
9875	(may_eliminate_iv): Use fold_affine_expr.
9876
98772006-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9878
9879	PR c/27489
9880	* c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9881	Clean up.
9882
98832006-08-16  Mike Stump  <mrs@apple.com>
9884
9885	* doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9886	* doc/cppopts.texi (-MD): Likewise.
9887
98882006-08-15  Danny Smith  <dannysmith@users.sourceforge.net>
9889
9890	PR c/28287
9891	* c-common.c (handle_weak_attribute): Ignore and warn if
9892	not a FUNCTION_ or VAR_DECL.
9893
98942006-07-15  Mike Stump  <mrs@apple.com>
9895
9896	PR c/28280
9897	* c-parser.c (c_parser_typeof_specifier): Don't use
9898	c_finish_expr_stmt, open code desired semantics instead.
9899
99002006-08-15  Nick Clifton  <nickc@redhat.com>
9901
9902	* config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9903	fragment to tmake_file only if threads are enabled.
9904	* config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9905	* config/i386/t-gthr-win32: New file. ... here.
9906
99072006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9908
9909	PR c/28649
9910	* c-parser.c (c_parser_compound_statement_nostart): Reset
9911	parser->error after each statement.
9912
99132006-08-15  Jakub Jelinek  <jakub@redhat.com>
9914
9915	PR middle-end/28713
9916	* omp-low.c (lower_omp_parallel): Convert t to
9917	receiver_decl's type.
9918	(expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9919	source before comparison.
9920
9921	PR middle-end/28724
9922	* gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9923	to itype in assignment to oldival2.
9924
99252006-07-14  Andrew Pinski  <pinksia@physics.uc.edu>
9926
9927	PR c/27490
9928	PR c/27489
9929	* c-typeck.c (build_compound_expr): If the second expression
9930	is an error mark, then just return an error mark instead of
9931	creating a COMPOUND_EXPR.
9932
99332006-07-14  Mike Stump  <mrs@apple.com>
9934
9935	* Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9936
99372006-08-14  Kazu Hirata  <kazu@codesourcery.com>
9938
9939	* c-decl.c, var-tracking.c: Fix comment typos.
9940
99412006-08-14  Richard Sandiford  <richard@codesourcery.com>
9942
9943	PR rtl-optimization/28634
9944	* reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9945	for floating-point modes unless flag_unsafe_math_optimizations.
9946
99472006-08-13  Alexandre Oliva  <aoliva@redhat.com>
9948	    Andrew Pinski  <pinskia@physics.uc.edu>
9949
9950	PR c/27184
9951	* tree.c (build_array_type): Unify array types with
9952	unspecified index_type.
9953	* c-decl.c (grokdeclarator): Make sure we do not modify a
9954	unified incomplete array type.
9955	* c-typeck.c (store_init_value): Create distinct type before
9956	filling in the index type in an initializer from a compound
9957	literal.
9958
9959	* c-decl.c (grokdeclarator): Remove code where we copy the
9960	array type over.
9961
99622006-08-13  Andrew Pinski  <pinskia@physics.uc.edu>
9963
9964	* tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9965	into account for TODO_dump_cgraph.
9966	(TODO_update_ssa_no_phi): Likewise.
9967	(TODO_update_ssa_full_phi): Likewise.
9968	(TODO_update_ssa_only_virtuals): Likewise.
9969	(TODO_remove_unused_locals): Likewise.
9970	(TODO_set_props): Likewise.
9971	(TODO_update_stmt_usage): Likewise.
9972
99732006-08-13  Dirk Mueller  <dmueller@suse.de>
9974
9975	* c-common.c (strict_aliasing_warning): Fix formatting.
9976
99772006-08-13  Matthias Klose  <doko@debian.org>
9978
9979	* doc/invoke.texi: Fix spelling errors.
9980
99812006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
9982
9983	PR rtl-optimization/23454
9984	* reorg.c (relax_delay_slots): Update comment.
9985
99862006-08-11  Richard Guenther  <rguenther@suse.de>
9987
9988	PR middle-end/28651
9989	* simplify-rtx.c (simplify_const_relational_operation):
9990	Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9991	codes.
9992
99932006-08-10  Eric Botcazou  <ebotcazou@adacore.com>
9994
9995	* tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9996	TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9997
99982006-08-10  Paul Brook  <paul@codesourcery.com>
9999
10000	* final.c (final_scan_insn): Clear current_insn_predicate before
10001	outputting inline asm.
10002
100032006-08-10  Dorit Nuzman  <dorit@il.ibm.com>
10004
10005	PR tree-optimization/26197
10006	* tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
10007	get_ref_base_and_extent and overlap_subvar to add only relevant
10008	subvars as may-aliases.
10009	(add_may_alias_for_new_tag): New function, factored out of
10010	new_type_alias.
10011	* tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
10012	with additional argument.
10013	* tree-flow.h (new_type_alias): Takes additional argument.
10014
100152006-08-09  Nathan Sidwell  <nathan@codesourcery.com>
10016
10017	* gcov.c (no_data_file): New flag.
10018	(read_count_file): Set it if data file not present.  Assume counts
10019	zero if not found.
10020	(output_lines): Don't name the data file, if there wasn't one.
10021
100222006-08-09  Eric Botcazou  <ebotcazou@adacore.com>
10023
10024	* config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
10025	(rs6000_generate_compare): Tweak comments.
10026	* config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
10027
100282006-08-09  Alexandre Oliva  <aoliva@redhat.com>
10029
10030	* var-tracking.c (enum micro_operation_type): Add MO_COPY.
10031	(var_debug_decl): New function.
10032	(var_reg_set): Follow debug decl link.  Add location even if
10033	reg is already known to hold some other variable.
10034	(var_mem_set): Follow debug decl link.
10035	(var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
10036	decl link.  Delete other known locations of the variable part
10037	if requested.
10038	(var_reg_delete, var_mem_delete): Delete other known locations
10039	of the variable part if requested.
10040	(same_variable_part_p): New function.
10041	(add_stores): Select MO_COPY when appropriate.
10042	(vt_initialize): Handle it.
10043	(compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
10044	known locations for MO_SET and MO_CLOBBER.
10045	(find_variable_location_part): New function.
10046	(set_variable_part, delete_variable_part): Use it.
10047	(clobber_variable_part): New function.
10048	* dwarf2out.c (dwarf2out_var_location): Do not follow debug
10049	decl link.
10050
100512006-08-07  Victor Kaplansky <victork@il.ibm.com>
10052
10053	PR tree-optimization/26969
10054	* tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
10055	with an empty list of PHIs.
10056
100572006-08-06  Paolo Bonzini  <bonzini@gnu.org>
10058
10059	PR target/27827
10060
10061	* conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
10062	instructions.
10063
100642006-08-06  Andreas Schwab  <schwab@suse.de>
10065
10066	* config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
10067	string.  Whitespace and comment fixup.
10068
100692006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10070
10071	PR c/28502
10072	* c-decl.c (validate_proto_after_old_defn): Return false on invalid
10073	argument.
10074
10075	PR c/27721
10076	* c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
10077
10078	PR c/28136
10079	* c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
10080
100812006-08-04  Jan Hubicka  <jh@suse.cz>
10082
10083	PR target/26655
10084	PR target/28270
10085	* reload.c (push_reload): Patch out the mismatching instruction;
10086	return early.
10087	(find_reload): Bail out if the instruction was patched out.
10088
100892006-08-04  Jan Hubicka  <jh@suse.cz>
10090
10091	PR tree-optimization/24888
10092	* tree-inline.c (expand_call_inline): Do not re-record variables.
10093	(declare_inline_vars): Add variable to unexpanded_var_list.
10094
100952006-08-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10096	    Roger Sayle  <roger@eyesopen.com>
10097
10098	PR rtl-optimization/26244
10099	* cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
10100	inner_const are negative or greater than or equal to the bitsize of
10101	MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
10102	Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
10103	Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
10104	CONST0_RTX (mode) when the new shift count is greater than or equal to
10105	to the bitsize of the object being shifted and XEXP (y, 0) has no side
10106	effects.
10107
101082006-08-04  Kazu Hirata  <kazu@codesourcery.com>
10109
10110	* tree-cfg.c: Fix a comment typo.
10111
101122006-08-03  Mark Mitchell  <mark@codesourcery.com>
10113
10114	PR c++/28148
10115	* varasm.c (output_constant): Give the front end another chance to
10116	expand constants, after stripping NOPs.
10117
101182006-08-03  Jan Hubicka  <jh@suse.cz>
10119
10120	* domwalk.c (walk_dominator_tree): Reorganize to non-recursive
10121	implementation.
10122
101232006-08-03  Dorit Nuzman  <dorit@il.ibm.com>
10124
10125	PR tree-optimization/27770
10126	* tree-vectorizer.h (get_vectype_for_scalar_type): Function
10127	declaration removed (moved to tree-flow.h).
10128	(vect_can_force_dr_alignment_p): Likewise.
10129	* tree-flow.h (get_vectype_for_scalar_type): New function declaration
10130	(moved from tree-vectorizer.h).
10131	(vect_can_force_dr_alignment_p): Likewise.
10132	* tree-vectorizer.c (vect_print_dump_info): Allow calling this function
10133	from outside the vectorizer - in particular from cgraph stage.
10134	* tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
10135	the alignment of global arrays when -fsection-anchors is enabled.
10136	* cgraphunit.c (cgraph_increase_alignment): New function.
10137	(cgraph_optimize): Call cgraph_increase_alignment.
10138
101392006-08-03  David Edelsohn  <edelsohn@gnu.org>
10140
10141	PR target/27566
10142	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
10143	not reload a SPE symbol_ref into a lo_sum address.
10144
101452006-08-02  Daniel Jacobowitz  <dan@codesourcery.com>
10146
10147	PR debug/28063
10148	* dwarf2out.c (prune_unused_types_prune): Move call to
10149	prune_unused_types_update_strings to cover the parent DIE also.
10150
101512006-08-02  Jan Hubicka  <jh@suse.cz>
10152
10153	PR gcov/profile/28480
10154	* tree-cfg.c (change_bb_for_stmt): New function.
10155	(tree_merge_blocks, tree_split_blocks): Use it.
10156
101572006-08-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10158
10159	PR c++/28250
10160	PR c++/28257
10161	PR c++/28259
10162	PR c++/28267
10163	* toplev.c (compile_file): Return early on errorcount or sorrycount.
10164	* cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
10165	(cgraph_optimize): Likewise.
10166
101672006-08-01  Stuart Hastings  <stuart@apple.com>
10168
10169	* rtl.h (UINTVAL) New.
10170	* config/rs6000/rs6000.c (SMALL_INT) Use it.
10171	* testsuite/gcc.dg/20060801-1.c: New.
10172
101732006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
10174
10175	PR debug/23336
10176	* c-typeck.c (build_external_type): Mark used enum types.
10177	* dwarf2out.c (dwarf2out_abstract_function): Save and restore
10178	cfun also.
10179	(gen_subprogram_die): Whitespace fix.
10180
101812006-08-01  Jan Hubicka  <jh@suse.cz>
10182
10183	* tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
10184	bitmap when not needed.
10185	* tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
10186	bitmaps.
10187
101882006-08-01  Dirk Mueller  <dmueller@suse.de>
10189
10190	* tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
10191
101922006-07-31  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10193
10194	* Makefile.in: Revert part of previous patch:
10195	Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
10196	and REGS_H.
10197
101982006-07-30  Eric Christopher  <echristo@apple.com>
10199
10200	PR target/27543
10201	* doc/extend.texi (i386 Variable Attributes): Add anchor.
10202	(PowerPC Variable Attributes): New section.
10203
102042006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>
10205
10206	PR target/28126 (partial fix)
10207	* config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
10208
102092006-07-28  Jan Hubicka  <jh@suse.cz>
10210
10211	PR rtl-optimization/28071
10212	* cfgrtl.c (rtl_delete_block): Free regsets.
10213	* flow.c (allocate_bb_life_data): Re-use regsets if available.
10214
102152006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10216
10217	* Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
10218	and variables used in dependencies.
10219
102202006-07-27  Arjan van de Ven <arjan@linux.intel.com>
10221
10222	* config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
10223	%fs for -mcmodel=kernel.
10224	(stack_tls_protect_test_di): Likewise.
10225
102262006-07-27  Carlos O'Donell  <carlos@codesourcery.com>
10227
10228	* Makefile.in: Use mkinstalldirs.
10229
102302006-07-27  H.J. Lu  <hongjiu.lu@intel.com>
10231
10232	PR driver/28437
10233	* opts-common.c (prune_options): Skip joined switches.
10234
102352006-07-27  Jan Hubicka  <jh@suse.cz>
10236
10237	PR rtl-optimization/28071
10238	* cselib.c (cselib_process_insn): Don't remove useless values too
10239	often for very large hashtables.
10240
102412006-07-27  Jan Hubicka  <jh@suse.cz>
10242
10243	PR rtl-optimization/28071
10244	* global.c (greg_obstack): New obstack.
10245	(allocate_bb_info): Use it.
10246	(free_bb_info): Likewise.
10247	(modify_reg_pav): Likewise.
10248
102492006-07-27  Roger Sayle  <roger@eyesopen.com>
10250
10251	* builtins.c (fold_fixed_mathfn): When long and long long are the
10252	same size, canonicalize llceil*, llfloor*, llround* and llrint*
10253	functions to their lceil*, lfloor*, lround* and lrint* forms.
10254
102552006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10256
10257	PR gcc/28508
10258	* config/m32r/m32r.md (branch_insn): Reduce pc range for short
10259	branch.
10260	(rev_branch_insn): Likewise.
10261
102622006-07-27  Jan Hubicka  <jh@suse.cz>
10263
10264	PR rtl-optimization/28071
10265	* regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
10266	(reg_set_in_bb, max_reg_computed): New static variables.
10267	(regmove_optimize): Free the new array.
10268	(fixup_match_1): Update call of reg_is_remote_constant_p.
10269
102702006-07-26  Jan Hubicka  <jh@suse.cz>
10271
10272	PR tree-optimization/27882
10273	* cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
10274	and decl fields.
10275	* cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
10276	next pointer
10277	(cgraph_analyze_compilation_unit): Likewise.
10278	* ipa.c (cgraph_remove_unreachable_nodes): Likewise.
10279	* ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
10280	(cgraph_early_inlinine): Make order garbage collected.
10281	* Makefile.in (gt-ipa-inline): New garbagecollected file.
10282
102832006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
10284
10285	* dbxout.c (output_types_sort): Add a comment.
10286	(output_used_types): Free the VEC.
10287
102882006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
10289
10290	* function.c (reorder_fix_fragments): Delete.
10291	(reorder_blocks): Don't call it.
10292	(reorder_blocks_1): Put all subblocks under the origin block.
10293
102942006-07-26  Zdenek Dvorak <dvorakz@suse.cz>
10295
10296	PR rtl-optimization/27907
10297	* expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10298	FLOAT_TRUNCATE.
10299
103002006-07-25  Roger Sayle  <roger@eyesopen.com>
10301
10302	PR middle-end/28473
10303	* convert.c (convert_to_integer): When transforming (T)foo(x) into
10304	bar(x) check that bar's result type can represent all the values of T.
10305
103062006-07-25  Zdenek Dvorak <dvorakz@suse.cz>
10307
10308	* tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10309
103102006-07-25  Nick Clifton  <nickc@redhat.com>
10311
10312	* ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10313	size_lookup[] array.
10314	(ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10315	(ggc_pch_count_object): Likewise.
10316	(ggc_pch_alloc_object): Likewise.
10317	(ggc_pch_write_object): Likewise.
10318	(init_ggc): Do not attempt to initialize entries in the
10319	size_lookup[] array for objects whose size is greater than than
10320	the length of the array.
10321
103222006-07-25  Daniel Jacobowitz  <dan@codesourcery.com>
10323
10324	* dbxout.c (output_used_types_helper): Push queued types
10325	on a VEC.
10326	(output_types_sort): New.
10327	(output_used_types): Collect used types on a VEC and sort them
10328	before emission.
10329
103302006-07-24  Richard Guenther  <rguenther@suse.de>
10331
10332	PR middle-end/28463
10333	* cgraph.c (cgraph_remove_node): Do not check if dumps
10334	are enabled.
10335	* cgraphunit.c (cgraph_optimize): Likewise.
10336
103372006-07-24  Jan Hubicka  <jh@suse.cz>
10338
10339	PR rtl-optimization/28071
10340	* tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10341	* tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10342	splitting before first stmt.
10343
103442006-07-24  Jan Hubicka  <jh@suse.cz>
10345
10346	PR rtl-optimization/28071
10347	* ipa-inline.c (update_caller_keys): Remove edges that
10348	are no longer inline candidates.
10349
103502006-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
10351
10352	PR debug/27473
10353	* dbxout.c (output_used_types_helper, output_used_types): New.
10354	(dbxout_symbol): Call output_used_types.
10355
103562006-07-23  Jan Hubicka  <jh@suse.cz>
10357
10358	PR c/25795
10359	PR c++/27369
10360	* cgraph.c (cgraph_varpool_nodes): Export.
10361	(decide_is_variable_needed): Ignored "used" attribute in
10362	unit-at-a-time mode.
10363	* cgraph.h (cgraph_varpool_nodes): Declare.
10364	* cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10365	unit-at-a-time mode.
10366
103672006-07-23  Roger Sayle  <roger@eyesopen.com>
10368
10369	PR target/28247
10370	* gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10371	mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
10372	the __gthrw form of thr_keycreate.
10373	(__gthread_key_delete): Silence the unused argument warning.
10374
103752006-07-23  Steven Bosscher  <steven@gcc.gnu.org>
10376
10377	PR debug/25468
10378	* config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10379	Cache the last found '\0' marker to avoid quadratic behavior.
10380
103812006-07-23  Jan Hubicka  <jh@suse.cz>
10382
10383	* i386.md (subsi_3_zext): Fix output template.
10384
103852006-07-21  Mike Stump  <mrs@apple.com>
10386
10387	* doc/invoke.texi (C++ Dialect Options): Note that
10388	-fvisibility-inlines-hidden doesn't affect explicitly
10389	instantiationed inline methods.
10390
103912006-07-20  Roger Sayle  <roger@eyesopen.com>
10392
10393	* config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10394	if the target assembler is GNU binutils' gas.
10395	* config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10396	whether to pass GNU gas or native as command line options.
10397
103982006-07-20  Jason Merrill  <jason@redhat.com>
10399
10400	* tree.c (remove_attribute): New fn.
10401	* tree.h: Declare it.
10402
104032006-07-20  Paul Brook  <paul@codesourcery.com>
10404
10405	PR 27363
10406	* cse.c (cse_insn): Add destination addresses to hash table. Check if
10407	they are invalidated by this instruction.
10408
104092006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
10410
10411	PR target/28427
10412	* config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10413
104142006-07-20  Eric Christopher  <echristo@apple.com>
10415
10416	PR target/26877
10417	* config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10418
104192006-07-19  Eric Christopher  <echristo@apple.com>
10420
10421	* config/t-slibgcc-darwin (stmp-lipo): Remove.
10422	Rewrite dependencies for libgcc_s.1.dylib.
10423
104242006-07-19  Jakub Jelinek  <jakub@redhat.com>
10425
10426	* except.c (duplicate_eh_regions_1): Clear next_peer.
10427
104282006-07-17  Nathan Sidwell  <nathan@codesourcery.com>
10429
10430	* doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10431	-mlongcall does not guarantee all calls will be long.
10432	* doc/extend.texi (long_call/short_call): Document that longcall
10433	does not guarantee a long call will be used.
10434	(longcall/shortcall): Likewise.
10435
104362006-07-18  Roger Sayle  <roger@eyesopen.com>
10437
10438	PR middle-end/28283
10439	* expmed.c (expand_shift): Additionally check that the shift_cost
10440	is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10441	before implementing a LSHIFT_EXPR as a sequence of additions.
10442	* config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10443	middle-end that DImode shifts need to be synthesized by expand.
10444
104452006-07-18  Diego Novillo  <dnovillo@redhat.com>
10446
10447	PR 28410
10448	* tree-ssa-operands.c (access_can_touch_variable): Update
10449	comment.
10450	Return true if ALIAS is .GLOBAL_VAR.
10451
104522006-07-18  David Daney  <ddaney@avtrex.com>
10453
10454	* gcc.c (display_help): Fix typo in help text.
10455
104562006-07-18  Olivier Hainque  <hainque@adacore.com>
10457
10458	* tree.h (categorize_ctor_elements): Adjust prototype and add
10459	descriptive comment, both in accordance with the interface change
10460	described below.
10461	* varasm.c (constructor_static_from_elts_p): New function.
10462	Whether a constructor node is a valid static constant initializer
10463	if all its elements are.
10464	(initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10465	* output.h: Declare it.
10466	* expr.c (categorize_ctor_elements_1): Return whether the constructor
10467	is a valid constant initializer instead of computing the number of
10468	non-constant elements.  Use constructor_static_from_elts_p for this
10469	purpose.  Replace the head comment with an indication that this is a
10470	helper for categorize_ctor_elements.
10471	(categorize_ctor_elements): Same interface change as for the _1
10472	helper.  Former head comment from this helper moved here, adjusted to
10473	account for the interface changes.
10474	(mostly_zeros_p): Adjust call to categorize_ctor_elements.
10475	(all_zeros_p): Likewise.
10476	* gimplify.c (gimplify_init_constructor): Decide whether we can make
10477	static versions of the constructor from the categorize_ctor_elements
10478	return value instead of the formerly computed number of non-constant
10479	elements.
10480
104812006-07-18  Paolo Bonzini  <bonzini@gnu.org>
10482
10483	* configure: Regenerate.
10484	* Makefile.in (build_libsubdir): New configure substitution
10485	(build_libobjdir): New variable.
10486	(BUILD_LIBIBERTY): Use it.
10487
104882006-07-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10489
10490	PR c/28286
10491	* c-pragma.c (handle_pragma_pack): Handle invalid constants.
10492
104932006-07-18  Alexandre Oliva  <aoliva@redhat.com>
10494
10495	PR c/26993
10496	* c-common.c (handle_weakref_attribute): Ignore attribute in
10497	the same conditions the alias attribute is ignored.
10498
104992006-07-17  Carlos O'Donell  <carlos@codesourcery.com>
10500
10501	* dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10502	(dbxout_begin_prologue): Increment scope_labelno.
10503
105042006-07-17  Richard Henderson  <rth@redhat.com>
10505
10506	PR 27889
10507	* tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10508	if needed.
10509
105102006-07-17  Roger Sayle  <roger@eyesopen.com>
10511	    Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10512
10513	* config/i386/gmon-sol2.c: Silence compilation warnings by partially
10514	synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
10515	blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
10516	functions such as sbrk, write, etc..  Add function prototypes.
10517	Convert function declarations from K&R to ISO C.  Cast pointers
10518	to "long" and "unsigned long" instead of "int" and "unsigned int".
10519	Convert tokens following #endif into comments.
10520
105212006-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
10522
10523	* invoke.texi: Remove mention of f77; Reformat table for
10524	inline parameter options correctly; mention that -malign-double
10525	is default on x86-64 targets.
10526
105272006-07-17  Zdenek Dvorak <dvorakz@suse.cz>
10528
10529	* tree-chrec.c (avoid_arithmetics_in_type_p): New.
10530	(convert_affine_scev, chrec_convert_aggressive): Use
10531	avoid_arithmetics_in_type_p.  Do not check for the subtypes
10532	separately.
10533
105342006-07-17  Richard Sandiford  <richard@codesourcery.com>
10535
10536	PR middle-end/28403
10537	* optabs.c (expand_doubleword_shift): Wrap the call to
10538	do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10539
105402006-07-17  Richard Sandiford  <richard@codesourcery.com>
10541
10542	PR middle-end/28402
10543	* optabs.c (expand_binop): Pass next_methods rather than methods
10544	to expand_doubleword_shift.
10545
105462006-07-17  J"orn Rennecke  <joern.rennecke@st.com>
10547
10548	PR other/28251
10549	* tree.h (dump_addr): Declare.
10550	* print-tree.c (dump_addr): New function.
10551	(print_node_brief, print_node): Use it.
10552	* print-rtl.c (print_rtx): Likewise.
10553	* common.opt (-fdump-noaddr): New option.
10554	* doc/invoke.texi (-fdump-noaddr): Document.
10555	* loop-unroll.c (si_info_hash): Make hash independent of addresses.
10556	(ve_info_hash): Likewise.
10557
105582006-07-13  Andrew Haley  <aph@redhat.com>
10559
10560	PR tree-optimization/19505
10561	* tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10562	edge leaving this block, make sure that the destination of this
10563	block has only one predecessor.
10564
105652006-07-17  Richard Guenther  <rguenther@suse.de>
10566
10567	PR tree-optimization/28238
10568	* tree-inline.c (copy_bb): Check if we produced valid
10569	gimple copying and substituting a stmt.  If not, gimplify
10570	it.
10571
105722006-07-16  Eric Botcazou  <ebotcazou@adacore.com>
10573
10574	* optabs.c (maybe_encapsulate_block): New function extracted from...
10575	(emit_libcall_block): ...here.  Invoke it on the block of insns to
10576	maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10577	(emit_no_conflict_block): Likewise.
10578
105792006-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10580
10581	* doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10582
105832006-07-15  Roger Sayle  <roger@eyesopen.com>
10584
10585	* tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10586	a new NOP_EXPR case of the switch statement.
10587
105882006-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
10589
10590	PR middle-end/28160
10591	* stor-layout.c (place_field): Take the bit field with
10592	an excessive size into account in the ms-bitfiled case.
10593
10594	PR middle-end/28161
10595	* stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10596	the previous bit field.
10597
105982006-07-14  Eliot Dresselhaus  <eliot@sonic.net>
10599
10600	PR target/27287
10601	* config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10602
106032006-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10604
10605	* config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10606	signal frames correctly even when the signal was installed with
10607	sa_restorer set.
10608
106092006-07-14  Carlos O'Donell  <carlos@codesourcery.com>
10610
10611	* dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10612	(dbxout_function_end): Use local label LFBB. Remove hook
10613	DBX_OUTPUT_NFUN.
10614	(dbxout_source_line): Use local label LFBB.
10615	(dbxout_block): Likewise.
10616	(dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10617	(dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10618	* config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10619	and DBX_OUTPUT_NFUN.
10620
106212006-07-13  Janis Johnson  <janis187@us.ibm.com>
10622
10623	* doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10624
106252006-07-13  Jan Hubicka  <jh@suse.cz>
10626
10627	* cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10628	align_variable.
10629	* output.h (align_variable): Declare.
10630	* varasm.c (align_variable): Export.
10631	* value-prof.c (tree_value_profile_transformations): Recompute iterator
10632	when basic block changed.
10633
106342006-07-13  Nick Clifton  <nickc@redhat.com>
10635
10636	* config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10637	walking the LOG_LINKS chain.
10638
106392006-07-12  Geoffrey Keating  <geoffk@apple.com>
10640
10641	* doc/invoke.texi (C++ Dialect Options): Explain difference
10642	between -fvisibility-inlines-hidden and setting hidden
10643	visibility explicitly.
10644
106452006-07-12  Eric Christopher  <echristo@apple.com>
10646
10647	* config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10648	(stmp-lipo): Depend on libgcc.a.
10649
106502006-07-12  Kazu Hirata  <kazu@codesourcery.com>
10651
10652	* tree.c: Fix a comment typo.
10653
106542006-07-12  Naveen.H.S  <naveenh@kpitcummins.com>
10655
10656	* config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10657	dest.
10658	(umulhisi3_r): Likewise.
10659
106602006-07-12  Paolo Carlini  <pcarlini@suse.de>
10661
10662	PR libstdc++/27878
10663	* doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10664	x < 19, vs wchar_t support.
10665
106662006-07-12  Nick Clifton  <nickc@redhat.com>
10667
10668	* config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10669	instead of -isa=sh4.
10670
106712006-07-12  Mike Stump  <mrs@apple.com>
10672
10673	* protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10674
106752006-07-10  Eric Christopher  <echristo@apple.com>
10676
10677	* config/t-slibgcc-darwin: Rewrite.
10678
106792006-07-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
10680
10681	PR bootstrap/20437
10682	* Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10683	dependencies.
10684
106852006-07-08  Matthias Klose  <doko@debian.org>
10686
10687	* doc/sourcebuild.texi: Fix typo.
10688
106892006-07-07  Mike Stump  <mrs@apple.com>
10690
10691	* toplev.c (process_options): Don't give -ffunction-sections may
10692	affect debugging warning for Mach-O.
10693
106942006-07-07  James E Wilson  <wilson@specifix.com>
10695
10696	* config/mips/mips.md (cpu): Add sb1a.
10697	* config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10698	addition to sb1.  Adjust comments to clarify SB-1A differences from
10699	SB-1.
10700	(ir_sb1a_load): New.  Modify bypasses to use it.
10701	(ir_sb1a_simple_alu): Likewise.
10702	* config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10703	(mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10704	(mips_issue_rate): Add PROCESSOR_SB1A.
10705	(mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10706	* config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10707	(TARGET_SB1): Add PROCESSOR_SB1A check.
10708	(TUNE_SB1): Likewise.
10709
10710	* config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10711	* config/mips/mips.c (mips_store_data_bypass_p): New.
10712	* config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10713	store_data_bypass_p.
10714
107152006-07-08  Paul Brook  <paul@codesourcery.com>
10716
10717	PR target/27991
10718	* config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10719
107202006-07-07   Richard Guenther  <rguenther@suse.de>
10721
10722	PR middle-end/28268
10723	* tree.h (build_one_cst): Declare.
10724	* tree.c (build_one_cst): New function.
10725	* tree-ssa-math-opts.c (get_constant_one): Remove.
10726	(insert_reciprocals): Use build_one_cst.
10727	* fold-const.c (fold_plusminus_mult): Likewise.
10728
107292006-07-07  Roger Sayle  <roger@eyesopen.com>
10730
10731	* pointer-set.c (pointer_set_destroy): Correct whitespace.
10732	* cfgloopanal.c (dump_graph): Likewise.
10733	* dojump.c (discard_pending_stack_adjust): Likewise.
10734	* fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10735	Likewise.
10736	* alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10737	* function.c (finalize_block_changes): Likewise.
10738	* gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10739	* tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10740	* rtl.c (dump_rtx_statistics): Likewise.
10741	* tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10742	Likewise.
10743	* varray.c (dump_varray_statistics): Likewise.
10744	* dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10745	decode_decimal64, encode_decimal128, decode_decimal128,
10746	decimal_real_to_decimal): Likewise.
10747
107482006-07-07  Richard Guenther  <rguenther@suse.de>
10749
10750	PR tree-optimization/28187
10751	* tree-vrp.c (vrp_operand_equal_p): New function.
10752	(vrp_bitmap_equal_p): Likewise.
10753	(update_value_range): Use them to compare old and new
10754	max and min values.
10755
107562006-07-06  Roger Sayle  <roger@eyesopen.com>
10757
10758	* c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10759	a default case to switch statement to silence compiler warnings.
10760
107612006-07-06  Roger Sayle  <roger@eyesopen.com>
10762
10763	PR target/27968
10764	* configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10765	the configured assembler supports the x87's ffreep mnemonic.
10766	* configure: Regenerate.
10767	* config.in: Regenerate.
10768
10769	* config/i386/i386.c (output_387_ffreep): New function.
10770	(output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10771	(output_387_reg_move): Likewise.
10772
107732006-07-06  Paul Eggert  <eggert@cs.ucla.edu>
10774
10775	Port to hosts whose 'sort' and 'tail' implementations
10776	treat operands with leading '+' as file names, as POSIX
10777	has required since 2001.  However, make sure the code still
10778	works on pre-POSIX hosts.
10779	* Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10780	which says you should use "tail -c +N" rather than "tail +Nc".
10781	Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10782
107832006-07-06  Zdenek Dvorak <dvorakz@suse.cz>
10784
10785	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10786	argument name.
10787
107882006-07-06  David Edelsohn  <edelsohn@gnu.org>
10789
10790	PR target/28150
10791	* config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10792	PRE_{INC,DEC} of TFmode.
10793
107942006-07-06  David Edelsohn  <edelsohn@gnu.org>
10795	    Alan Modra  <amodra@bigpond.net.au>
10796
10797	PR target/28170
10798	* config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10799	bounds. Simplify.
10800
108012006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10802
10803	PR target/28285
10804	* config/alpha/predicates.md (alpha_swapped_comparison_operator):
10805	Remove duplicate gtu.
10806
108072006-07-05  Jason Merrill  <jason@redhat.com>
10808
10809	PR c++/13983
10810	PR c++/17519
10811	* stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10812	* c-common.c (handle_packed_attribute): So don't copy it here.
10813	* c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10814
108152006-07-05  Mike Stump  <mrs@apple.com>
10816
10817	* doc/invoke.texi (Invoking G++): Clarify prose for g++.
10818
108192006-07-05  H.J. Lu  <hongjiu.lu@intel.com>
10820
10821	PR target/26146
10822	* config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10823
108242006-07-05  Richard Guenther  <rguenther@suse.de>
10825
10826	PR target/28158
10827	* config/i386/i386.md (*negdf2_1): Restrict pattern to
10828	TARGET_SSE2 targets if using SSE math.
10829	(*absdf2_1): Likewise.
10830
108312006-07-05  Richard Guenther  <rguenther@suse.de>
10832
10833	PR tree-optimization/28162
10834	* fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10835	make sure to convert the operands to the correct type.
10836
108372006-07-04  Paolo Bonzini  <bonzini@gnu.org>
10838
10839	PR tree-optimization/28218
10840
10841	* tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10842	to calculate and free the dominator information.
10843
108442006-07-04  Peter O'Gorman  <peter@pogma.com>
10845
10846	* mklibgcc.in: chmod 644 before ranlib during install.
10847
108482006-07-04  Andrew Stubbs <andrew.stubbs@st.com>
10849	    J"orn Rennecke <joern.rennecke@st.com>
10850
10851	* configure.ac (.eh_frame data check): Use diff -b.
10852
108532006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10854
10855	PR bootstrap/18058
10856	* Makefile.in (BUILD_RTL): Add build/vec.o.
10857	(build/gencondmd.o): Filter out -fkeep-inline-functions.
10858	(build/genextract): Delete.
10859	(build/genautomata): Likewise.
10860
108612006-07-04  Alan Modra  <amodra@bigpond.net.au>
10862
10863	PR target/28207
10864	* config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10865	128-bit IBM long doubles for ABI_V4.
10866
108672006-07-03  Eric Botcazou  <ebotcazou@adacore.com>
10868
10869	* tree.c (range_in_array_bounds_p): New predicate.
10870	* tree.h (range_in_array_bounds_p): Declare it.
10871	* tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10872	return a less conservative answer.
10873	* tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10874	and flag 'is_group'.
10875	(IS_ELEMENT_FOR_GROUP): New macro.
10876	(FOR_EACH_ACTUAL_CHILD): Likewise.
10877	(next_child_for_group): New helper function.
10878	(can_completely_scalarize_p): Take into account groups.
10879	(sra_hash_tree): Handle RANGE_EXPR.
10880	(sra_elt_eq): Likewise.
10881	(lookup_element): Be prepared for handling groups.
10882	(is_valid_const_index): Delete.
10883	(maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10884	instead of is_valid_const_index.
10885	<ARRAY_RANGE_REF>: New case.
10886	(sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10887	is_valid_const_index.
10888	<ARRAY_RANGE_REF>: Do not unconditionally punt.
10889	(scan_dump): Dump info for groups too.
10890	(decide_instantiation_1): Likewise.
10891	(decide_block_copy): Assert that the element is not a group.
10892	Propagate decision to groups.
10893	(generate_one_element_ref): Handle RANGE_EXPR.
10894	(mark_no_warning): Iterate over actual childs.
10895	(generate_copy_inout): Likewise.
10896	(generate_element_copy): Likewise.
10897	(generate_element_zero): Likewise.
10898	(generate_element_init_1): Likewise.
10899	(dump_sra_elt_name): Handle RANGE_EXPR.
10900
109012006-07-03  Roger Sayle  <roger@eyesopen.com>
10902
10903	PR tree-optimization/26251
10904	* tree-ssa-threadupdate.c (redirection_block_p): New function.
10905	(thread_block): When optimizing for size refuse to thread jumps
10906	that would require duplication of blocks other than redirection
10907	blocks.
10908
109092006-07-03  Paolo Bonzini  <bonzini@gnu.org>
10910
10911	* configure.ac: Fix thinko in previous check-in.
10912	* configure: Regenerate.
10913
109142006-07-03  Paolo Bonzini  <bonzini@gnu.org>
10915
10916	PR other/27063
10917	* configure.ac (for lang...): Simplify nesting of conditionals.
10918	Test subdir_requires for non-enabled languages.  Move processing
10919	of lang_opt_files and lang_tree_fiels below that test.
10920	* configure: Regenerate.
10921	* doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10922
109232006-07-01  Martin Michlmayr  <tbm@cyrius.com>
10924
10925	* doc/gcov.texi (Invoking Gcov): Add a missing word.
10926
109272006-06-30  Kazu Hirata  <kazu@codesourcery.com>
10928
10929	* cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10930	comment typos.
10931
109322006-06-29  Jason Merrill  <jason@redhat.com>
10933
10934	PR c++/26905
10935	PR c++/26612
10936	PR c++/27000
10937	PR c++/26984
10938	PR c++/19134
10939	* tree.c (build_decl_stat): Don't hande #pragma visibility here.
10940	* c-common.c (c_determine_visibility): Handle it here.
10941	* c-decl.c (finish_decl): Call c_determine_visibility for
10942	functions, too.
10943	* flags.h (enum symbol_visibility): Sort from most to least visibility.
10944	* tree.h: Likewise.
10945	* varasm.c (default_assemble_visibility): Likewise.
10946	* c-common.c (handle_visibility_attribute): Complain about trying
10947	to give visibility to an already defined class, or trying to change
10948	declared visibility. Always attach the attribute.
10949
10950	PR c++/26905
10951	PR c++/21675
10952	PR c++/17470
10953	* attribs.c (decl_attributes): Ignore type-in-place attributes
10954	once the type has been defined.
10955
109562006-06-29  Roger Sayle  <roger@eyesopen.com>
10957
10958	PR middle-end/27428
10959	* c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10960	to indicate the cpplib has issued an error message for us.
10961
109622006-06-29  Asher Langton  <langton2@llnl.gov>
10963
10964	PR target/25765
10965	* config/i386/i386.c (ix86_output_function_epilogue): Don't
10966	insert a label at the end of an function under Mach-O.
10967
109682006-06-29  Eric Christopher  <echristo@apple.com>
10969	    Evan Cheng  <evan.cheng@apple.com>
10970
10971	* predicates.md (vector_all_ones_operand): New.
10972	(nonimmediate_or_sse_const_operand): Ditto.
10973	* config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10974	* config/i386/i386.c (standard_sse_constant_opcode): Define.
10975	(standard_sse_mode_p): Ditto.
10976	(standard_sse_constant_p): Add case for -1 vector.
10977	(ix86_expand_vector_move): Try to use.
10978	* sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10979	Call standard_sse_constant_opcode.
10980	(*movv4sf_internal): Ditto.
10981	(*movv2df_internal): Ditto.
10982
109832006-06-29  Roger Sayle  <roger@eyesopen.com>
10984
10985	* genpreds.c (write_match_code_switch): Correctly use XSTR instead
10986	of XEXP to extract the operands of a MATCH_CODE rtx.
10987
109882006-06-28  Andrew Pinski  <pinskia@gmail.com>
10989
10990	* tree.c (tree_size): Do not waste tail padding in
10991	struct tree_string and make the size be the same as
10992	build_string will generate.
10993
109942006-06-28  Jason Merrill  <jason@redhat.com>
10995
10996	PR c++/27768
10997	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10998	may_aliases already in the tag's annotations to the bitmap.
10999
110002006-06-28  Roger Sayle  <roger@eyesopen.com>
11001
11002	* genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
11003
110042006-06-28  Roger Sayle  <roger@eyesopen.com>
11005
11006	* genpreds.c (generate_switch_p): New function.
11007	(add_mode_tests): Push the new mode test down inside an AND expr
11008	if this allows the switch-suitable MATCH_CODE to be near the root.
11009	(write_match_code_switch): New function to write a MATCH_CODE as
11010	a switch statement.
11011	(write_predicate_stmts): New function to write a predicate RTX
11012	expression as a sequence of statements.
11013	(write_one_predicate_function): Use write_predicate_stmts.
11014	(write_tm_constrs_h): Likewise.
11015
110162006-06-26  Fred Fish  <fnf@specifix.com>
11017
11018	* config/mips/t-sb1: New file.
11019	* config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
11020	tmake_file list.
11021
110222006-06-26  DJ Delorie  <dj@redhat.com>
11023
11024	* config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
11025
110262006-06-26  Naveen H.S  <naveenh@kpitcummins.com>
11027	    Jayant Sonar  <jayants@kpitcummins.com>
11028	    Jaydeep Vipradas  <jaydeepv@kpitcummins.com>
11029
11030	* config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
11031	(subsi3, subsi3_1, subsi3_2): New.
11032	* config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
11033	* config/m32c/mov.md (SI mov peephole): New.
11034	* config/m32c/m32.c (m32c_immd_dbl_mov): New.
11035	* config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
11036
110372006-06-26  Olivier Hainque  <hainque@adacore.com>
11038
11039	* function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
11040	a CALL_EXPR target function declaration.
11041
110422006-06-26  Richard Guenther  <rguenther@suse.de>
11043
11044	* tree.c (build_string): Do not waste tail padding in
11045	struct tree_string.
11046
110472006-06-26  Richard Guenther  <rguenther@suse.de>
11048
11049	* ggc-page.c (init_ggc): Add missing element to size_lookup
11050	table.
11051
11052	Revert
11053	2006-06-23  Richard Guenther  <rguenther@suse.de>
11054
11055	* ggc-page.c (init_ggc): Do not round up the extra_order_size_table
11056	sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
11057	alignment requests instead.  Add verification code.
11058	Add struct tree_function_decl and struct tree_binfo size to
11059	extra_order_size_table.  Add missing element to size_lookup
11060	table.
11061
110622006-06-25  Eric Botcazou  <ebotcazou@adacore.com>
11063
11064	PR middle-end/28151
11065	* fold-const.c (const_binop): Be prepared for self returning zero.
11066	Simplify code handling complex values.
11067
110682006-06-24  Olivier Hainque  <hainque@adacore.com>
11069
11070	* gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
11071	(gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
11072	aggregate types.
11073
110742006-06-24  Olivier Hainque  <hainque@adacore.com>
11075
11076	* tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
11077	ARRAY_REF, so have the callback called for the low bound expression.
11078
110792006-06-23  Janis Johnson  <janis187@us.ibm.com>
11080
11081	* tree.h (DECIMAL_FLOAT_TYPE_P): New.
11082	* c-typeck.c (c_common_type): Disallow operations on decimal float
11083	types and other float types.
11084	* convert.c (convert_to_real): Don't ignore conversions involving
11085	decimal float types.
11086
110872006-06-23  Olivier Hainque  <hainque@adacore.com>
11088
11089	* tree.c (max_int_size_in_bytes): New function, inspired from
11090	code in function.c:assign_temp.
11091	* tree.h (max_int_size_in_bytes): Declare.
11092	* function.c (assign_temp): Use it.
11093	* gimplify.c (create_tmp_var): Relax the assertions on the type
11094	properties, not mandating constant size any more.
11095	(force_constant_size): New static function.
11096	(gimple_add_tmp_var): Use it, forcing variable size to a
11097	constant upper bound if it is not constant on entry.
11098
110992006-06-23  Danny Smith   <dannysmith@users.sourceforge.net>
11100
11101	PR target/27789
11102	* config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
11103	for initialization and setting of one_only flag to ...
11104	(i386_pe_encode_section_info): ...here.
11105	(i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
11106	Recheck that the symbol has not been defined.
11107
111082006-06-23  Richard Guenther  <rguenther@suse.de>
11109
11110	* ggc-page.c (init_ggc): Do not round up the extra_order_size_table
11111	sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
11112	alignment requests instead.  Add verification code.
11113	Add struct tree_function_decl and struct tree_binfo size to
11114	extra_order_size_table.  Add missing element to size_lookup
11115	table.
11116
111172006-06-22  Roger Sayle  <roger@eyesopen.com>
11118	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11119
11120	PR middle-end/28131
11121	* expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
11122	call to lang_hooks.types.type_for_mode returned NULL_TREE.
11123
111242006-06-23  Ben Elliston  <bje@au.ibm.com>
11125
11126	* dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
11127	negate dn -- manipulate it directly.
11128
111292006-06-22  Roger Sayle  <roger@eyesopen.com>
11130	    Steven Bosscher  <stevenb.gcc@gmail.com>
11131
11132	PR target/27531
11133	* reload1.c (gen_reload): Call mark_jump_label on the new insns
11134	generated by gen_move_insn to add REG_LABEL notes if necessary.
11135
111362006-06-22  Bob Wilson  <bob.wilson@acm.org>
11137
11138	* config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
11139	(leaf_entry): Remove use of MIN_ESA.
11140
111412006-06-22  Zdenek Dvorak <dvorakz@suse.cz>
11142
11143	PR rtl-optimization/28121
11144	* cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
11145	the entry edge.
11146
111472006-06-21  DJ Delorie  <dj@redhat.com>
11148
11149	* config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
11150	(TN-16C-A156A/E).
11151	(mulhisi3_r): Likewise.
11152
111532006-06-21  Richard Sandiford  <richard@codesourcery.com>
11154
11155	PR middle-end/28034
11156	* coverage.c (coverage_counter_alloc): Leave the index type
11157	unspecified.
11158	(coverage_counter_alloc): Use null arguments for operands 2 and 3
11159	of the ARRAY_REF.
11160
111612006-06-21  Andrew Pinski  <pinskia@physics.uc.edu>
11162
11163	* doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
11164	section from the "Options for Code Generation Conventions".
11165
111662006-06-21  Richard Henderson  <rth@redhat.com>
11167
11168	PR target/26347
11169	PR target/27082
11170	* config/alpha/predicates.md (small_symbolic_operand): Deny weak
11171	symbols.
11172	(global_symbolic_operand): Allow weak symbols, even if local_p.
11173
111742006-06-21  Eric Botcazou  <ebotcazou@adacore.com>
11175
11176	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
11177	(find_interesting_uses_address): Punt if above function returns true.
11178
111792006-06-21  Richard Guenther  <rguenther@suse.de>
11180
11181	* configure: Regenerated.
11182
111832006-06-21  Joseph Myers  <joseph@codesourcery.com>
11184
11185	* config/mips/mips.c (function_arg): Where one part of a
11186	complex argument is in registers and the other part in the stack,
11187	return a REG not a PARALLEL.
11188
111892006-06-21  Mark Mitchell  <mark@codesourcery.com>
11190
11191	* configure.ac: Set gcc_gxx_include_dir to $target/include/c++
11192	when cross-compiling.  Do not substitute libstdcxx_incdir.
11193	* configure: Regenerated.
11194
111952006-06-21  Jakub Jelinek  <jakub@redhat.com>
11196
11197	* varasm.c (mergeable_string_section): Check for embedded NULs and
11198	NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
11199	rather than TREE_STRING_LENGTH bytes.
11200
112012006-06-21  Richard Guenther  <rguenther@suse.de>
11202
11203	* ggc-page.c (extra_order_size_table): Add var_ann_d,
11204	tree_ssa_name, bitmap_element and phi_node with 4 arguments
11205	sizes.
11206
112072006-06-21  Richrad Guenther  <rguenther@suse.de>
11208
11209	* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
11210	Limit iteration over the dominators.
11211
112122006-06-20  Roger Sayle  <roger@eyesopen.com>
11213
11214	* config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
11215	(SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
11216
112172006-06-20  Richard Guenther  <rguenther@suse.de>
11218	Michael Matz  <matz@suse.de>
11219
11220	* alloc-pool.h (free_alloc_pool_if_empty): Prototype new
11221	function.
11222	* alloc-pool.c (free_alloc_pool_if_empty): New function.
11223	* et-forest.h (et_free_pools): Prototype new function.
11224	* et-forest.c (et_free_tree_force): Free parent occurrence.
11225	(et_free_pools): New function.
11226	* dominance.c (free_dominance_info): Free et-forest alloc
11227	pools.
11228
112292006-06-20  Roger Sayle  <roger@eyesopen.com>
11230
11231	* expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
11232	integer modes, attempt to directly construct an integer constant.
11233
11234	* fold-const.c (native_encode_vector): Determine the size of each
11235	element from the vector type instead of the first vector element.
11236
11237	* tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
11238	if all of its elements/components are constant.
11239	(build_constructor_from_list): Likewise.
11240
112412006-06-20  Zdenek Dvorak <dvorakz@suse.cz>
11242
11243	PR tree-optimization/27331
11244	* tree-data-ref.c (free_data_ref): New function.
11245	(create_data_ref): Fail if the data reference has unknown access
11246	function.
11247	(free_data_refs): Use free_data_ref.
11248
112492006-06-19  Andrew Pinski  <pinskia@gmail.com>
11250
11251	PR middle-end/28075
11252	* tree-inline.c (setup_one_parameter): Strip useless
11253	type conversion before adding it to the IR.
11254	(declare_return_variable): Likewise.
11255
112562006-06-19  Martin Michlmayr  <tbm@cyrius.com>
11257
11258	PR c/27149
11259	* c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
11260
112612006-06-19  Mike Stump  <mrs@apple.com>
11262
11263	* tree.c (variably_modified_type_p): VM arguments don't make the
11264	type a VM type.
11265
112662006-06-19  Richard Guenther  <rguenther@suse.de>
11267
11268	* tree-ssa-pre.c (try_combine_conversion): Strip useless
11269	type conversions after folding.
11270
112712006-06-19  Richard Guenther  <rguenther@suse.de>
11272
11273	* ggc-page.c (extra_order_size_tab): Add entries with
11274	size of struct function and basic_block.
11275	(size_lookup): Extend to cover sizes up to 511.
11276	(ggc_alloc_stat): Adjust user.
11277	(ggc_pch_count_object): Likewise.
11278	(ggc_pch_alloc_object): Likewise.
11279	(ggc_pch_write_object): Likewise.
11280
112812006-06-19  Zdenek Dvorak <dvorakz@suse.cz>
11282
11283	* tree-ssa-loop-niter.c (implies_ge_p): New function.
11284	(derive_constant_upper_bound): Handle OP0 - CST in unsigned types
11285	correctly.
11286
112872006-06-19  Denis Chertykov  <denisc@overta.ru>
11288
11289	* config/avr/libgcc.S : Correct my wrong previous commit.
11290
112912006-06-19  Roger Sayle  <roger@eyesopen.com>
11292
11293	PR target/27861
11294	* expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11295	have stripped a SUBREG from the shift count, so we may need to
11296	convert_to_mode back to the type's mode before calling make_tree.
11297	Use new_amount instead of amount to avoid expanding a tree twice.
11298
112992006-06-19  Richard Guenther  <rguenther@suse.de>
11300
11301	PR middle-end/28045
11302	* fold-const.c (operand_equal_p): Check if the argument types
11303	have the same precision before stripping NOPs.
11304
113052006-06-19  Daniel Berlin  <dberlin@dberlin.org>
11306
11307	Fix PR tree-optimization/27341
11308	* tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11309	statement we get.
11310	* tree-complex.c (pass_lower_complex): Update SMT usage.
11311
113122006-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
11313
11314	* config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11315	Add a new alternative to the constraint strings. Add move of
11316	operand 1 to 3 to the splitter definition.
11317	("doloop_si_long"): Second contraint alternative removed.
11318
113192006-06-08  Anatoly Sokolov <aesok@post.ru>
11320
11321	* config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11322	(TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11323	__AVR_HAVE_LPMX__.
11324	(AVR_HAVE_MOVW) Define.
11325	(ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11326	(ASM_SPEC): Add avr25.
11327	(LINK_SPEC): Add avr25.
11328	* config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11329	(base_arch_s): Add new member 'have_movw_lpmx'.
11330	(avr_arch_types): Init 'have_movw_lpmx'.
11331	(avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11332	attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11333	attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11334	(avr_override_options): Init 'avr_have_movw_lpmx_p'.
11335	(output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11336	AVR_HAVE_MOVW.
11337	(avr_file_start): Do not output '.arh' derective.
11338	* config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11339	(__do_copy_data): Use __AVR_HAVE_LPMX__.
11340	* config/avr/avr.md (mcu_enhanced): Delete.
11341	(mcu_have_movw): Define.
11342	(negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11343	(call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11344	* config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11345	(MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11346	attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11347	attiny861 and at86rf401 devices.
11348
113492006-06-18  Jie Zhang  <jie.zhang@analog.com>
11350
11351	* config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11352	of 4096.
11353
113542006-06-17  Karl Berry  <karl@gnu.org>
11355
11356	* doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11357	doc/gccint.texi, doc/install.texi (@dircategory): Use
11358	"Software development" instead of "Programming", following
11359	the Free Software Directory.
11360
113612006-06-17  Alexandre Oliva  <aoliva@redhat.com>
11362
11363	* config/i386/i386.c (legitimate_tls_address)
11364	<TARGET_GNU2_TLS>: Add tp after DTPOFF.
11365	* config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11366	(*tls_dynamic_gnu2_combine_64): Likewise.
11367
113682006-06-16  Richard Guenther  <rguenther@suse.de>
11369
11370	PR middle-end/27116
11371	* fold-const.c (negate_expr_p): Do not introduce undefined
11372	overflow in negating INTEGER_CSTs.
11373	(fold_negate_expr): Rename from negate_expr.  Revert last
11374	change for folding BIT_NOT_EXPR.  Change semantics to
11375	return NULL_TREE for non-simplified negations.  Do not
11376	strip type conversions and unify type handling.
11377	(negate_expr): New function, wrap around fold_negate_expr
11378	but ensure building a tree always.  Strip type conversions
11379	here, fold to result type.
11380	(fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11381
113822006-06-16  Roger Sayle  <roger@eyesopen.com>
11383
11384	PR middle-end/27802
11385	* reg-stack.c (subst_stack_regs): Handle noreturn function calls
11386	that (would) return their results in stack registers.
11387
113882006-06-16  Michael Matz  <matz@suse.de>
11389	Richard Guenther  <rguenther@suse.de>
11390
11391	* fold-const.c (fold_truthop): Only return new tree node if
11392	we canonicalized something.
11393
113942006-06-16  Richard Guenther  <rguenther@suse.de>
11395
11396	* function.h (enum function_frequency): Move declaration
11397	out of struct function.
11398	(struct function): Move bool fields and the enum to the bitfield
11399	section.  Reorder elements to avoid padding.  Remove unused
11400	fields left over from the RTL inliner removal.
11401	* function.c (free_after_compilation): Do not zero removed fields.
11402	* Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11403	(ipa-type-escape.o): Likewise.
11404
114052006-06-16  Richard Guenther  <rguenther@suse.de>
11406
11407	* cgraph.h (struct cgraph_local_info): Turn bool elements
11408	into a bitfield.
11409	(struct cgraph_node): Likewise.
11410	(struct cgraph_varpool_node): Likewise.
11411
114122006-06-15  Richard Guenther  <rguenther@suse.de>
11413
11414	* fold-const.c (fold_truth_not_expr): Rename from
11415	invert_truthvalue.  Give it fold_* semantics to avoid
11416	generating garbage.
11417	(invert_truthvalue): New function.  Wrapper around
11418	fold_truth_not_expr.
11419	(optimize_minmax_comparison): Avoid creating garbage.
11420	(fold_unary): Use fold_truth_not_expr for folding
11421	TRUTH_NOT_EXPR.
11422	(fold_ternary): Replace uses of invert_truthvalue with
11423	fold_truth_not_expr where applicable.
11424	* tree.h (fold_truth_not_expr): Prototype.
11425
114262006-06-16  Richard Guenther  <rguenther@suse.de>
11427
11428	PR tree-optimization/27781
11429	* Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11430	* ipa-pure-const.c (target.h): Include.
11431	(analyze_function): Do not analyze functions that do not
11432	bind locally.
11433
114342006-06-15  Andrew MacLeod  <amacleod@redhat.com>
11435
11436	PR middle-end/27793
11437	* tree-dfa.c (referenced_vars_dup_list): Remove.
11438	(find_referenced_vars): Remove assert.
11439	(referenced_var_check_and_insert): Replace dup list with assert.
11440	* tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11441	* tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11442
114432006-06-15  Richard Guenther  <rguenther@suse.de>
11444
11445	* tree-ssa-structalias.c (alias_get_name): Avoid creating
11446	extra unused identifiers if not dumping.
11447	(create_variable_info_for): Likewise.
11448
114492006-06-15  Zdenek Dvorak <dvorakz@suse.cz>
11450
11451	* tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11452	(derive_constant_upper_bound): Derive more precise upper bound in
11453	common cases.  Return type changed to double_int.
11454	(record_estimate): Reflect the changed return type of
11455	derive_constant_upper_bound.
11456	* double-int.c (double_int_zext, double_int_sext): Fix.
11457
114582006-06-15  Paolo Bonzini  <bonzini@gnu.org>
11459
11460	* configure.ac (CFLAGS): Get them from the toplevel or from the
11461	configure invocation.
11462	* configure: Regenerate.
11463	* Makefile.in (CFLAGS): Substitute value provided by configure.
11464
114652006-06-14  Mark Mitchell  <mark@codesourcery.com>
11466
11467	PR c++/26559
11468	* c-common.h (c_finish_omp_atomic): Adjust declaration.
11469	* c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11470	rather than calling add_stmt on it.
11471	* c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11472
114732006-06-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11474
11475	PR middle-end/27959
11476	* reload1.c (reload): Remove registers returned by update_eliminables
11477	from used_spill_regs.
11478
114792006-06-13  DJ Delorie  <dj@redhat.com>
11480
11481	* config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11482
114832006-06-13  Carlos O'Donell  <carlos@codesourcery.com>
11484
11485	* Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11486	html__strip_dir, html__mkdir_p. Enhance install-html target.
11487	* configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11488	* configure: Regenerate.
11489
114902006-06-13  Fariborz Jahanian <fjahanian@apple.com>
11491
11492	* fold-const.c (fold_cond_expr_with_comparison): Check for
11493	Objective-C++ as language in deciding COND_EXPR transformation.
11494
114952006-06-06  J"orn Rennecke <joern.rennecke@st.com>
11496
11497	PR target/28014:
11498	* config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11499	* config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11500	* config/sh/lib1funcs.h (SL, SL1): Define.
11501	* config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11502	* longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11503	* config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11504	(OBJS_Os_4_200): New variable.
11505	($(T)libgcc-Os-4-200.a): Use it.
11506	* sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11507	when dividing 1 and/or by 0.
11508
115092006-06-13  Roger Sayle  <roger@eyesopen.com>
11510
11511	* configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11512	before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11513	* configure: Regenerate.
11514
115152006-06-13  Jie Zhang  <jie.zhang@analog.com>
11516
11517	* config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11518	for real instruction.
11519
115202006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11521
11522	PR middle-end/26807
11523	* haifa-sched.c (check_cfg): Handle special case.
11524
115252006-06-13  Eric Botcazou  <ebotcazou@adacore.com>
11526
11527	PR debug/26754
11528	* gimplify.c (declare_tmp_vars): Rename into declare_vars.
11529	Add debug_info parameter.  Chain the vars to the BLOCK instead
11530	of the BIND_EXPR if debug info are requested for them.
11531	(pop_gimplify_context): Adjust for above change.
11532	(gimple_add_tmp_var): Likewise.
11533	* tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11534	Add bool parameter.
11535	* tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11536	(convert_local_reference): Likewise.
11537	(get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11538	(finalize_nesting_tree_1): Request that debug info be emitted
11539	for debug_var_chain.
11540
115412006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11542
11543	* haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11544	for PR target/27863.
11545
115462006-06-13  Richard Guenther  <rguenther@suse.de>
11547
11548	PR middle-end/27536
11549	* except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11550
115512006-06-13  Richard Guenther  <rguenther@suse.de>
11552
11553	PR tree-optimization/27830
11554	* tree-inline.c (copy_body_r): For copying the operand
11555	of an ADDR_EXPR make sure to fold &* afterwards.
11556
115572006-06-12  Eric Botcazou  <ebotcazou@adacore.com>
11558
11559	* gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11560	lvalues in the fb_none case with side-effects.
11561
115622006-06-12  Kazu Hirata  <kazu@codesourcery.com>
11563
11564	* tree-flow.h: Remove the prototype for
11565	compute_phi_arg_on_exit.
11566	* tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11567	protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11568	Remove.
11569
115702006-06-12  Mark Shinwell  <shinwell@codesourcery.com>
11571
11572	* builtins.c (expand_builtin_return_addr): Only use
11573	frame_pointer_rtx when count == 0 and we are expanding
11574	__builtin_return_address.
11575
115762006-06-12  Fred Fish  <fnf@specifix.com>
11577
11578	* config/mips/mips.c (mips_file_start): Create special section
11579	".gcc_compiled_longXX" for o64 ABI as well as EABI.
11580
115812006-06-11  Eric Christopher  <echristo@apple.com>
11582
11583	PR middle-end/27948
11584	* stor-layout.c (place_field): Remove check for
11585	remaining_in_alignment when aligning at the end of a run.
11586
115872006-06-11  Eric Christopher  <echristo@apple.com>
11588
11589	PR 27542
11590	* doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11591	pragma.
11592
115932006-06-11  Roger Sayle  <roger@eyesopen.com>
11594
11595	PR target/27858
11596	Revert incorrect fix for PR target/27158
11597	2006-05-08  Roger Sayle  <roger@eyesopen.com>
11598	* reload.c (find_reloads_toplev): Only return the simplified SUBREG
11599	of a reg_equiv_constant if the result is a legitimate constant.
11600
116012006-06-11  Roger Sayle  <roger@eyesopen.com>
11602
11603	PR target/27158
11604	* config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11605	extract a CONST_VECTOR element and interpret it as an integer.
11606	(vspltis_constant): Use const_vector_elt_as_int instead of the
11607	macro CONST_VECTOR_ELT in order to handle FP vector modes.
11608	* config/rs6000/predicates.md (easy_vector_const): Consider
11609	floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11610
116112006-06-11  Kaz Kojima  <kkojima@gcc.gnu.org>
11612
11613	PR middle-end/27942
11614	* stor-layout.c (update_alignment_for_field): Don't add extra
11615	alignment for packed non-bitfield fields in ms_bitfield_layout_p
11616	code.
11617
116182006-06-09  Ralf Corsepius  <ralf.corsepius@rtems.org>
11619
11620	* config/mips/t-rtems: Add EL/EB multilib variants.
11621
116222006-06-09  Mike Stump  <mrs@apple.com>
11623
11624	* c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11625
116262006-06-09  David Daney  <ddaney@avtrex.com>
11627
11628	* doc/install.texi: Add binutils version recommendation for mips-*-*.
11629
116302006-06-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11631
11632	* reload.c (find_reloads): Unset force_reload for 'X' constraint.
11633
116342006-06-09  Richard Guenther  <rguenther@suse.de>
11635
11636	PR tree-optimization/26998
11637	* tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11638	of signed types, only TYPE_MIN_VALUE is special, but for both,
11639	minimum and maximum value.  Likewise VR_ANTI_RANGE is special
11640	in this case, as is -fwrapv.
11641
116422006-06-08  Mike Stump  <mrs@apple.com>
11643
11644	PR target/26427
11645	* config/darwin.c (darwin_asm_output_anchor): Disable
11646	-fsection-anchors on darwin for now.
11647	* config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11648	* rs6000/rs6000.c (optimization_options): Likewise.
11649
116502006-06-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11651
11652	PR target/27421
11653	* config/i386/i386.c (classify_argument): Skip fields with invalid
11654	types in unions.
11655
116562006-06-08  Steven Bosscher  <steven@gcc.gnu.org>
11657
11658	* cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11659	(cse_insn): Likewise for the stack_pointer_rtx.
11660
116612006-06-08  Roger Sayle  <roger@eyesopen.com>
11662
11663	* tree-ssa-dom.c (record_conditions): Only record "unordered"
11664	conditions from floating point comparisons.
11665
116662006-06-08  Paolo Bonzini  <bonzini@gnu.org>
11667
11668	PR middle-end/27733
11669	* expmed.c (struct alg_hash_entry): Fix type of field T
11670	to match synth_mult argument.
11671	(NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11672
116732006-06-08  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11674
11675	PR target/27863
11676	* haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11677	block boundaries.
11678
116792006-06-08  Richard Guenther  <rguenther@suse.de>
11680
11681	PR middle-end/27116
11682	* fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11683	only, if overflow is defined and not trapping.
11684	(negate_expr): Likewise.
11685
116862006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
11687
11688	PR tree-optimization/27872
11689	* tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11690	flag on the new exit edge of the unrolled loop.
11691
116922006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
11693
11694	PR rtl-optimization/26449
11695	* loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11696
116972006-06-07  Andrew MacLeod  <amacleod@redhat.com>
11698
11699	PR middle-end/27793
11700	* tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
11701	referenced_variables with matching DECL_UID's.
11702	(find_referenced_vars): Make sure duplicate list is empty to start.
11703	(referenced_var_p): Remove.
11704	(referenced_var_check_and_insert): Renamed from referenced_var_insert.
11705	Check if var is in the list, and add if needed.  Update the duplicate
11706	list if a different var is in the list with the same DECL_UID.
11707	(add_referenced_var): Call routine to check and insert.
11708	* tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11709	* tree-flow.h (referenced_vars_dup_list): External declaration.
11710
117112006-06-07  Fred Fish  <fnf@specifix.com>
11712
11713	* config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11714	into single entry.
11715
117162006-06-07  Paolo Bonzini  <bonzini@gnu.org>
11717
11718	PR target/27390
11719	* reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11720	the imaginary and real parts of a clobbered register.
11721	Emit insn to set the imaginary part.
11722
117232006-06-06  Peter Lemieszewski  <lemie@us.ibm.com>
11724
11725	* config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11726	in lieu of unwind-dw2-fde.c.
11727
117282006-06-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
11729
11730	* config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11731
117322006-06-06  Ulrich Weigand  <uweigand@de.ibm.com>
11733
11734	PR target/27842
11735	* config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11736	("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11737	("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11738	V4SImode temporaries and operations instead.
11739
117402006-06-06  Joseph S. Myers  <joseph@codesourcery.com>
11741
11742	* config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11743	dp-bit.c.
11744
117452006-06-06  Mike Stump  <mrs@apple.com>
11746
11747	* Makefile.in: Rename to htmldir to build_htmldir to avoid
11748	installing during build.
11749
117502006-06-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11751
11752	* params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11753	value to 0.
11754	* doc/invoke.texi (max-sched-extend-regions-iters): Document.
11755	* config/ia64/ia64.c (params.h): New header.
11756	(ia64_optimization_options): New function to adjust parameters.
11757	* config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11758	* config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11759	* config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11760
117612006-06-05  Kazu Hirata  <kazu@codesourcery.com>
11762
11763	* stor-layout.c (debug_rli): Fix a typo in a debug message.
11764
117652006-06-05  Steve Ellcey  <sje@cup.hp.com>
11766
11767	PR target/27051
11768	* config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11769
117702006-06-05  Dorit Nuzman  <dorit@il.ibm.com>
11771	    Victor Kaplansky  <victork@il.ibm.com>
11772
11773	PR tree-optimization/26360
11774	* tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11775	stmts.
11776
117772006-06-04  Roger Sayle  <roger@eyesopen.com>
11778	    Andrew Pinski  <pinskia@physics.uc.edu>
11779
11780	PR middle-end/27382
11781	* c-common.c (c_common_truthvalue_conversion): Explicitly check
11782	for LABEL_DECL before calling DECL_WEAK.
11783
11784	PR c/27150
11785	* c-typeck.c (build_binary_op): Likewise, explicitly check for
11786	LABEL_DECL and PARM_DECL.
11787
117882006-06-05  Joseph S. Myers  <joseph@codesourcery.com>
11789
11790	PR c/25161
11791	PR c/27020
11792	* c-decl.c (grokdeclarator): Disallow variably modified types at
11793	file scope.  Avoid marking shared array type of constant size as
11794	VLA.
11795
117962006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11797
11798	PR c++/27601
11799	* c-common.c (fold_offsetof_1): Handle static members.
11800
118012006-06-04 Eric Christopher <echristo@apple.com>
11802
11803	* stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11804	(debug_rli): Output value for remaining_in_alignment.
11805	(update_alignment_for_field): Unconditionalize
11806	ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11807	extra alignment code.
11808	(place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11809	ms_bitfield_layout_p code. Rewrite handling of structure fields.
11810	* tree.h (record_layout_info_s): Remove prev_packed.
11811	* doc/extend.texi (ms_struct): Add documentation of format.
11812
118132006-06-04  Mark Shinwell  <shinwell@codesourcery.com>
11814
11815	* tree.h: Declare folding_initializer.
11816	* builtins.c (fold_builtin_constant_p): Give definite answer
11817	if folding inside an initializer.
11818	* fold-const.c: Define folding_initializer.
11819	(START_FOLD_INIT): Save and then set folding_initializer.
11820	(END_FOLD_INIT): Restore folding_initializer.
11821
118222006-06-04  Richard Guenther  <rguenther@suse.de>
11823
11824	PR tree-optimization/27039
11825	* fold-const.c (fold_comparison): Handle pointer comparison
11826	again for all comparison codes.  Compare offsets in signed
11827	size type.
11828	(fold_binary): Move code from here.
11829
118302006-06-03  Roger Sayle  <roger@eyesopen.com>
11831
11832	PR target/26223
11833	* config/i386/i386.c (construct_container): Split static issued_error
11834	flag into issued_sse_arg_error, issued_sse_ret_error and
11835	issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
11836	requires the use of x87 registers and the user explicitly
11837	specified the -mno-80387 command line option.
11838
118392006-06-02  Geoffrey Keating  <geoffk@apple.com>
11840
11841	* config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11842	HAVE_DECL_SIGALTSTACK.
11843	(MC_FLD): New.
11844	(segv_handler): Use MC_FLD.
11845	* configure.ac: Check for a sigaltstack declaration.
11846	Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11847	* configure: Regenerate.
11848	* config.in: Regenerate.
11849
118502006-06-03  J"orn Rennecke <joern.rennecke@st.com>
11851
11852	PR other/27850
11853	* Makefile.in (stmp-fixinc): Fix typo.
11854
118552006-06-02  Roger Sayle  <roger@eyesopen.com>
11856
11857	* fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11858	are type correct.  Clean-up.
11859	<REALPART_EXPR>: Likewise.  Optimize creal(~z) as creal(z).
11860	<IMAGPART_EXPR>: Likewise.  Optimize cimag(~z) as -cimag(z).
11861
118622006-06-01  DJ Delorie  <dj@redhat.com>
11863
11864	* config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11865	shift, as we've disabled the "switch" insn that needs it.
11866
118672006-06-01  Per Bothner  <bothner@bothner.com>
11868
11869	Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11870	* c-opts.c (finish_options): Use internal line 0 for <command-line>.
11871	* c-ppoutput.c (cb_define): Don't increment line 0.
11872
118732006-06-01  Pete Steinmetz  <steinmtz@us.ibm.com>
11874
11875	* doc/invoke.texi: Add cpu_type power6.
11876	* config.gcc: Add cpu_type power6.
11877	* config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11878	to power5+ with Altivec.
11879	* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11880	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11881
118822006-05-30  Anatoly Sokolov <aesok@post.ru>
11883
11884	* config/avr/avr.h (SET_ASM_OP): Define.
11885
118862006-06-01  Kazu Hirata  <kazu@codesourcery.com>
11887
11888	* config/bfin/bfin.c: Fix comment typos.
11889
118902006-06-01  Paolo Bonzini  <bonzini@gnu.org>
11891
11892	PR 25453
11893	* doc/install.texi: Document --enable-bootstrap and
11894	--disable-bootstrap.
11895
118962006-06-01  Paolo Bonzini  <bonzini@gnu.org>
11897
11898	* doc/install.texi: Document that InfoZIP can replace jar.
11899
119002006-05-31  Roger Sayle  <roger@eyesopen.com>
11901
11902	* config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11903	isn't available, directly generate the simpler x87 patterns without
11904	the (use (const_int 0)).
11905	* config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11906	implementation isn't available.
11907	(*negdf2_1): Likewise.
11908	(*negxf2_1): XF mode negation is always done using the x87.
11909	(*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11910
119112006-05-31  Roger Sayle  <roger@eyesopen.com>
11912
11913	* builtins.c (fold_builtin_cabs): Delete prototype.  Require an
11914	additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
11915	cabs(z).
11916	(fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11917
119182006-05-31  Jie Zhang  <jie.zhang@analog.com>
11919
11920	* config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11921	* config/bfin/bfin.c (basic-block.h): Include.
11922	(struct machine_function): New.
11923	(bfin_init_machine_status): New.
11924	(override_options): Initialize init_machine_status.
11925	(bfin_hardware_loop): New.
11926	(MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11927	(DEF_VEC_P (loop_info)): New.
11928	(DEF_VEC_ALLOC_P (loop_info,heap)): New.
11929	(struct loop_info): New.
11930	(loop_info): New typedef.
11931	(struct loop_work): New.
11932	(loop_work): New typedef.
11933	(DEF_VEC_O (loop_work)): New.
11934	(DEF_VEC_ALLOC_O (loop_work,heap)): New.
11935	(bfin_dump_loops): New.
11936	(bfin_bb_in_loop): New.
11937	(bfin_scan_loop): New.
11938	(bfin_optimize_loop): New.
11939	(bfin_reorg_loops): New.
11940	(bfin_reorg): Use bfin_reorg_loops.
11941	* config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11942	loop registers.
11943	(I_REGNO_P): Simplify.
11944	(DP_REGNO_P, DPREG_P): New macros.
11945	(REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11946	REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11947	(enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11948	Add LT_REGS, LC_REGS, LB_REGS.
11949	(REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11950	'l' for LB_REGS.
11951	(REGNO_REG_CLASS): Deal with loop registers.
11952	* config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11953	letters.
11954	(REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11955	New constants for loop registers.
11956	(UNSPEC_LSETUP_END): New.
11957	(seq_insns): New define_attr. Set it for appropriate insns.
11958	(movsi_insn): Add alternatives for move from/to
11959	loop count registers.
11960	(doloop_end): New define_expand.
11961	(loop_end): New define_insn.
11962	(define_split for bad doloop_end): New.
11963	(lsetup_with_autoinit): New define_insn.
11964	(lsetup_without_autoinit): New define_insn.
11965	(rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11966	* config/bfin/predicates.md (lc_register_operand): New.
11967	(lt_register_operand): New.
11968	(lb_register_operand): New.
11969	(nondp_register_operand): New.
11970	(nondp_reg_or_memory_operand): New.
11971	* doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11972
119732006-05-31  Jie Zhang  <jie.zhang@analog.com>
11974
11975	* config/bfin/bfin.c (bfin_delegitimize_address): New.
11976	(TARGET_DELEGITIMIZE_ADDRESS): Define.
11977
119782006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
11979
11980	* Makefile.in (CATALOGS): Add po/ prefix.
11981	* configure: Regenerated.
11982
119832006-05-31  Richard Earnshaw  <richard.earnshaw@arm.com>
11984
11985	PR target/27829
11986	* arm.c (arm_print_operand case 'S'): Validate that the operand is
11987	a shift operand before calling shift_op.  Avoid redundant call of
11988	shift_op.
11989
119902006-05-30  Naveen.H.S  <naveenh@kpitcummins.com>
11991	    DJ Delorie  <dj@redhat.com>
11992
11993	* config/m32c/m32c.c (m32c_expand_insv): Check that the value
11994	we're inserting is a singlt-bit constant.
11995
119962006-05-30  Roger Sayle  <roger@eyesopen.com>
11997
11998	* simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11999	width to HOST_WIDE_INT to avoid comparison warnings on some targets.
12000
120012006-05-30  Roger Sayle  <roger@eyesopen.com>
12002
12003	PR tree-optimization/23452
12004	* fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
12005	to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
12006	(fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
12007	complex values and with -ffast-math for FP complex values.
12008
120092006-05-30  Kazu Hirata  <kazu@codesourcery.com>
12010
12011	* c-common.h: Remove the prototype for yyparse.
12012	* rtl.h: Remove the prototype for init_loop.
12013
120142006-05-30  Andreas Krebbel  <krebbel1@de.ibm.com>
12015
12016	* cse.c (validate_canon_reg, cse_insn): Don't change insns without
12017	calling recog.
12018
120192006-05-30  Roger Sayle  <roger@eyesopen.com>
12020
12021	* simplify-rtx.c (simplify_binary_operation): Unfactor the shift
12022	and rotate cases.
12023	<LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
12024	log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
12025
120262006-05-30  Dirk Mueller  <dmueller@suse.de>
12027
12028	PR c/27273
12029	* c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
12030	for CONSTANT_CLASS_P expresisons.
12031
120322006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12033
12034	PR c/27718
12035	* c-typeck.c (c_expr_sizeof_type): Handle invalid types.
12036
120372006-05-30  Zdenek Dvorak <dvorakz@suse.cz>
12038
12039	PR tree-optimization/27779
12040	* tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
12041	initial_condition instead of CHREC_LEFT.
12042
120432006-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
12044
12045	* config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
12046	* config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
12047	Make prototypes ISO C90.
12048
120492006-05-30  Mircea Namolaru  <namolaru@il.ibm.com>
12050	    Leehod Baruch    <leehod.baruch@weizmann.ac.il>
12051
12052	* see.c (see_analyze_one_def): Correct check.
12053	(see_get_extension_data): Check if extension is parallel.
12054	(see_get_extension_reg): Likewise.
12055
120562006-05-30  Uros Bizjak  <uros@kss-loka.si>
12057
12058	PR target/27790
12059	* config/i386/i386.c (ix86_expand_int_vcond): Force cop0
12060	into register for (code == GTU).
12061
120622006-05-29  Roger Sayle  <roger@eyesopen.com>
12063
12064	PR tree-optimization/24964
12065	* simplify-rtx.c (simplify_binary_operation_1): Add function comment.
12066	<MULT>: Minor clean-up.  Don't convert x*-1.0 into -x if we honor
12067	signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
12068	abs(x)*abs(x) as x*x for scalar floating point modes.
12069
120702006-05-29  Sebastian Pop  <pop@cri.ensmp.fr>
12071
12072	PR middle-end/27745
12073	* lambda-code.c (perfect_nestify): Don't copy statements
12074	in the inner loop: move them to the inner loop header.
12075
120762006-05-29  Diego Novillo  <dnovillo@redhat.com>
12077
12078	PR 26237
12079	* c-tree.texi: Document OpenMP directives and clauses.
12080
120812006-05-29  Kazu Hirata  <kazu@codesourcery.com>
12082
12083	* varasm.c (globalize_decl): Fix indentation.
12084
120852006-05-29  Diego Novillo  <dnovillo@redhat.com>
12086
12087	PR 26242
12088	* doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
12089	pass_fre, pass_store_ccp, pass_copy_prop,
12090	pass_store_copy_prop, pass_merge_phi, pass_nrv,
12091	pass_return_slot, pass_object_size, pass_lim,
12092	pass_linear_transform, pass_empty_loop, pass_complete_unroll,
12093	pass_loop_prefetch and pass_stdarg.
12094
120952006-05-29  Bernd Schmidt  <bernd.schmidt@analog.com>
12096
12097	* config/bfin/bfin.opt (mfdpic): New option.
12098	* config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
12099	(EXTRA_MULTILIB_PARTS): Likewise.
12100	(CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
12101	(MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
12102	multilib.
12103	* config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
12104	(CRT_CALL_STATIC_FUNCTION): New.
12105	* config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
12106	-shared.
12107	(CRT_CALL_STATIC_FUNCTION): New.
12108	* config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
12109	FD-PIC moves.
12110	(n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
12111	(print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
12112	(initialize_trampoline): Changed to handle FD-PIC code generation.
12113	(expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
12114	(bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
12115	(override_options): Disallow -mid-shared-library -mfdpic combination.
12116	Can't do unaligned ops if FD-PIC.
12117	Turn off flag_pic if trying to generate non-id-shared-library
12118	non-fdpic code, since it's not supported.
12119	(bfin_assemble_integer): New function.
12120	(TARGET_ASM_INTEGER): Define.
12121	* config/bfin/crti.s (__init, __fini): Save P3 on the stack if
12122	__BFIN_FDPIC__.
12123	* config/bfin/crtn.s: Restore them.
12124	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
12125	if TARGET_FDPIC.
12126	(DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
12127	LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
12128	(FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
12129	(TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
12130	(CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
12131	call-used.
12132	(enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
12133	FDPIC_REGS and FDPIC_FPTR_REGS.
12134	(REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
12135	* config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
12136	UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
12137	(load_funcdescsi): New pattern.
12138	(call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
12139	sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
12140	call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
12141
121422006-05-29  Kazu Hirata  <kazu@codesourcery.com>
12143
12144	* gcse.c, rtlanal.c: Remove obsolete comments associated with
12145	loop.c.
12146
12147	* config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
12148
12149	* tree-flow.h: Remove the prototype for add_type_alias.
12150	* tree-ssa-alias.c (add_type_alias): Remove.
12151
121522006-05-28  Kazu Hirata  <kazu@codesourcery.com>
12153
12154	* cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
12155	config/fr30/fr30.md, config/i386/i386-interix.h,
12156	config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
12157	config/sh/superh64.h, config/v850/v850.c, df-core.c,
12158	df-problems.c, df.h, except.c, final.c, haifa-sched.c,
12159	lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
12160	reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
12161	tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
12162	Follow spelling conventions.
12163	* doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
12164	Follow spelling conventions.
12165
121662006-05-27  Richard Guenther  <rguenther@suse.de>
12167
12168	PR middle-end/27773
12169	* fold-const.c (fold_plusminus_mult_expr): Use fold_convert
12170	to produce a constant of value 1 of generic type.
12171
121722006-05-27  Dirk Mueller  <dmueller@suse.de>
12173
12174	* cgraphunit.c (decide_is_function_needed): Fix wrong
12175	PR reference.
12176
121772006-05-26  Ulrich Weigand  <uweigand@de.ibm.com>
12178
12179	PR rtl-optimization/27661
12180	* reload.c (find_reloads): When reloading a VOIDmode constant
12181	as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
12182	use Pmode as mode of the reload register.
12183
121842006-05-26  Eric Botcazou  <ebotcazou@adacore.com>
12185
12186	* doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
12187	is enabled at -O and above.
12188
121892006-05-26  Steven Bosscher  <steven@gcc.gnu.org>
12190
12191	PR target/27571
12192	* config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
12193	table data.
12194
121952006-05-25  Mark Mitchell  <mark@codesourcery.com>
12196
12197	PR c++/20103
12198	* gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
12199	for anonymous variables explicitly declared by front ends.
12200
122012006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
12202
12203	* tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
12204	(struct alias_info): Add new field ref_all_symbol_mem_tag.
12205	* tree-ssa-alias.c (compute_may_aliases): If the program contains
12206	ref-all pointers, run a finalization pass for them.
12207	(compute_flow_insensitive_aliasing): Skip ref-all pointers.
12208	(finalize_ref_all_pointers): New function.
12209	(is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
12210	regular pointer type to a ref-all pointer type.
12211	(get_tmt_for): Return the special memory tag for ref-all pointers.
12212
122132006-05-25  Richard Guenther  <rguenther@suse.de>
12214
12215	PR middle-end/27743
12216	* fold-const.c (fold_binary): Do not look at the stripped
12217	op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
12218
122192006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
12220
12221	* tree-vrp.c (extract_range_from_assert): Set the range to VARYING
12222	for LT and GT if the computed range is effectively empty.
12223
122242006-05-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12225
12226	PR target/27627
12227	* pa/pa-modes.def: Use mips_single_format, mips_double_format and
12228	mips_quad_format formats instead of ieee_single_format,
12229	ieee_double_format and ieee_quad_format formats, respectively.
12230
122312006-05-24  Zdenek Dvorak <dvorakz@suse.cz>
12232
12233	PR tree-optimization/27639
12234	PR tree-optimization/26719
12235	* tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
12236	call to scev_probably_wraps_p.
12237	* tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
12238	used_in_pointer_arithmetic_p, convert_step): Removed.
12239	(nowrap_type_p): New function.
12240	(scev_probably_wraps_p): Rewritten.
12241	* tree-scalar-evolution.c (instantiate_parameters_1): Do not call
12242	chrec_convert if chrec_convert_aggressive might have been used.
12243	* tree-chrec.c (convert_affine_scev, chrec_convert_1,
12244	scev_direction): New functions.
12245	(chrec_convert): Changed to a wrapper over chrec_convert_1.
12246	* tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
12247	instead of convert_step.
12248	* tree-flow.h (scev_probably_wraps_p): Declaration changed.
12249	(convert_step): Declaration removed.
12250	(convert_affine_scev, nowrap_type_p, scev_direction): Declare.
12251
122522006-05-23  Kenneth Zadeck <zadeck@naturalbridge.com>
12253
12254	* df-core.c: Added to header comments.
12255	* df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
12256	df_ur_bb_info, df_urec_bb_info): Added comments.
12257	* df-problems (df_ref_bitmap, ru, rd, lr, ur,
12258	urec, ri problems): Fixed header comments.
12259	(df_ru_transfer_function): Fixed in-out set dyslexia when copying
12260	code from df_rd_transfer_function.
12261
122622006-05-23  Richard Sandiford  <richard@codesourcery.com>
12263
12264	* libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
12265	(LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
12266	MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.
12267
122682006-05-23  Joseph Myers  <joseph@codesourcery.com>
12269
12270	* expr.c (undefined_operand_subword_p): New.
12271	(emit_move_multi_word): Do not generate move from undefined bits
12272	of a paradoxical subreg.
12273
122742006-05-23  Richard Sandiford  <richard@codesourcery.com>
12275
12276	PR rtl-optimization/27736
12277	* combine.c (replaced_rhs_value): New variable.
12278	(combine_instructions): Set it.
12279	(distribute_notes): When distributing a note in replaced_rhs_insn,
12280	check whether the value was used in replaced_rhs_value.
12281
122822006-05-23  Andrew MacLeod  <amacleod@redhat.com>
12283
12284	PR c++/26757
12285	* tree-ssa-loop-im.c (determine_invariantness_stmt): Use
12286	add_referenced_var instead of add_referenced_tmp_var.
12287	* tree-complex.c (create_one_component_var): Use add_referenced_var.
12288	* tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
12289	add_referenced_var.
12290	* tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12291	tree_optimize_tail_calls_1): Use add_referenced_var.
12292	* tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12293	* tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12294	Use add_referenced_var.
12295	* tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12296	* gimplify.c (force_gimple_operand): Use add_referenced_var.
12297	* tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12298	Use add_referenced_var.
12299	* tree-dfa.c (struct walk_state): Remove.
12300	(find_referenced_vars): Remove walk state and vars_found hash table.
12301	(make_rename_temp): Use add_referenced_var.
12302	(find_vars_r): Pass less parameters to add_referenced_var.
12303	(referenced_var_p): New.  Is var in referenced_var hash table.
12304	(referenced_var_insert): Assert var isn't already in hash table.
12305	(add_referenced_var): Don't need walk_state parameter.  Add var if it
12306	isn't already in the hash table.
12307	(add_referenced_tmp_var): Remove.
12308	(find_new_referenced_vars_1): Use add_referenced_var.
12309	* tree-ssa-pre.c (create_expression_by_pieces,
12310	insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12311	Use add_referenced_var.
12312	* tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12313	* lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12314	lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12315	add_referenced_var.
12316	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12317	vect_create_data_ref_ptr, vect_create_destination_var,
12318	vect_init_vector, vect_build_loop_niters,
12319	vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12320	vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12321	Use add_referenced_var.
12322	* tree-outof-ssa.c (create_temp): Use add_referenced_var.
12323	* tree-flow.h (add_referenced_tmp_var): Remove prototype
12324	(add_referenced_var): Add prototype.
12325	* tree-ssa-structalias.c (get_constraint_for,
12326	intra_create_variable_infos): Use add_referenced_var.
12327
123282006-05-23  Alexandre Oliva  <aoliva@redhat.com>
12329
12330	* simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12331	big-endian paradoxical subregs.
12332	* var-tracking.c (struct micro_operation_def): Document that,
12333	for modify micro operations, insn is the subsequent instruction.
12334	(var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12335	(var_reg_set, var_mem_set): ... new functions.
12336	(add_stores): Record subsequent insn.
12337	(compute_bb_dataflow): Use new functions for MO_USE.
12338	(emit_notes_in_bb): Use new functions for MO_USE.  Emit use
12339	notes after the insn, and modify notes before the insn known
12340	to be the subsequent one.
12341	(vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12342
123432006-05-23  Kazu Hirata  <kazu@codesourcery.com>
12344
12345	PR target/27696
12346	* config/i386/i386.c (ix86_expand_builtin): Use
12347	gen_sse3_monitor64 for TARGET_64BIT.
12348
123492006-05-22  Kenneth Zadeck <zadeck@naturalbridge.com>
12350
12351	PR rtl-optimization/26375
12352	PR rtl-optimization/26855
12353	* df-problems (df_ru_bb_local_compute_process_def): Removed update
12354	to gen set.
12355	(df_ru_bb_local_compute): Reversed statements and removed bogus
12356	comment explaining why they should be in wrong order.
12357	(df_ru_dump, df_rd_dump): Enhanced debug info.
12358	* modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12359	debug info.
12360	* ddg.c (add_deps_for_def): Converted use of reaching defs to
12361	reaching uses and fixed space problem.
12362
123632006-05-23  Jan Hubicka  <jh@suse.cz>
12364
12365	* cgraphunit.c (decide_is_function_needed): Also nested functions
12366	and functions declared inline can be optimized out at -O0.
12367
123682006-05-22  Gerald Pfeifer  <gerald@pfeifer.com>
12369
12370	* doc/install.texi (Configuration): Remove reference to CrossGCC
12371	FAQ which was gone.
12372	(Building): Ditto.
12373
123742006-05-22  Kazu Hirata  <kazu@codesourcery.com>
12375
12376	PR target/27266
12377	* config/i386/i386.c (ix86_expand_branch): Jump to simple if
12378	ix86_compare_emitted is non-NULL.
12379
123802006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12381
12382	PR c++/27451
12383	* stmt.c (expand_asm_operands): Skip asm statement with erroneous
12384	clobbers.
12385
123862006-05-22  Richard Sandiford  <richard@codesourcery.com>
12387
12388	PR rtl-optimization/25514
12389	* combine.c (replaced_rhs_insn): New variable.
12390	(combine_instructions): Set replaced_rhs_insn when trying to replace
12391	a SET_SRC with a REG_EQUAL note.
12392	(distribute_notes): Use replaced_rhs_insn when determining the live
12393	range of a REG_DEAD register.
12394
123952006-18-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12396	    Anatoly Sokolov <aesok@post.ru>
12397
12398	* config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12399	attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12400	attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12401	atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12402	atmega3290, atmega649, atmega6490, atmega406, atmega640,
12403	atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12404	at90usb647, at90usb1286 and at90usb1287 devices.
12405	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12406	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12407
124082006-05-22  Richard Sandiford  <richard@codesourcery.com>
12409
12410	* mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12411
124122006-05-22  Richard Guenther  <rguenther@suse.de>
12413
12414	Revert
12415	2006-01-31  Richard Guenther  <rguenther@suse.de>
12416	Paolo Bonzini  <bonzini@gnu.org>
12417
12418	* doc/install.texi (--disable-libgcc-math): Document.
12419
124202006-05-22  Richard Guenther  <rguenther@suse.de>
12421
12422	Revert
12423	2006-01-31  Richard Guenther  <rguenther@suse.de>
12424
12425	* doc/invoke.texi (-msselibm): Document.
12426	* target.h (expand_library_builtin): New target hook.
12427	* builtins.c (expand_builtin): Use expand_library_builtin.
12428	(default_expand_library_builtin): New function.
12429	* gcc.c (LINK_GCC_MATH_SPEC): Define.
12430	(LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12431	(link_gcc_math_spec): Declare.
12432	(static_specs): Add link_gcc_math_spec.
12433	* expr.h (default_expand_library_builtin): Declare.
12434	* target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12435	(TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12436	* config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12437	* config/i386/i386.opt (msselibm): New target option.
12438	* config/i386/i386.c (ix86_builtin_function_variants): New array.
12439	(ix86_init_sse_abi_builtins): New function.
12440	(ix86_expand_library_builtin): Likewise.
12441	(TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12442	(override_options): Handle error conditions wrt -msselibm.
12443	(ix86_builtins): Add function codes for SSE2 ABI builtins.
12444	(ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12445	* doc/extend.texi (__builtin_sse2_*): Document new target specific
12446	builtins.
12447
124482006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12449
12450	PR c/27420
12451	* c-common.c (self_promoting_args_p): Skip erroneous args.
12452
12453	PR c/26818
12454	* c-decl.c (finish_struct): Skip erroneous fields.
12455
124562006-05-22  Nick Clifton  <nickc@redhat.com>
12457
12458	* config/cris/cris.opt (march): Remove VarExists attribute.
12459	(max-stackframe=): Likewise.
12460
124612006-05-22  Kazu Hirata  <kazu@codesourcery.com>
12462
12463	* doc/rtl.texi: Fix a typo.
12464	* see.c: Fix comment typos.
12465
12466	* tree-ssa-structalias.h (alias_info): Remove num_references.
12467
124682006-05-21  Mike Stump  <mrs@apple.com>
12469
12470	* config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12471	(BAD2): Add.
12472	(darwin_pragma_options): Use BAD instead.
12473	(darwin_pragma_unused): Likewise.
12474	(darwin_pragma_ms_struct): Likewise.
12475
124762006-05-21  David Edelsohn  <edelsohn@gnu.org>
12477
12478	* config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12479
124802006-05-21  Kazu Hirata  <kazu@codesourcery.com>
12481
12482	PR rtl-optimization/27671
12483	* simplify-rtx.c (simplify_relational_operation_1): Fix
12484	simplifications of (eq/ne (xor x y) y) and
12485	(eq/ne (xor x y) x).
12486
12487	PR tree-optimization/26622.
12488	* fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12489	on arg1.
12490
124912006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
12492
12493	* tree-cfg.c: Prune whitespace.
12494	(debug_tree_cfg): Point to correct header containing the
12495	TDF_* defines.
12496
124972006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
12498
12499	PR middle-end/25776
12500	* cgraphunit.c (verify_cgraph_node): Typo in error message.
12501
125022006-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
12503
12504	PR middle-end/25776
12505	* cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12506	or sorry count is non zero.
12507
125082006-05-20  Andreas Schwab  <schwab@suse.de>
12509
12510	* config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12511
125122006-05-19  Daniel Berlin  <dberlin@dberlin.org>
12513	    Kenneth Zadeck <zadeck@naturalbridge.com>
12514
12515	PR rtl-optimization/26855
12516
12517	* df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12518	multiword refs.
12519	(df_scan_alloc): Added code to properly handle multiword hard
12520	registers and add all_blocks parameter.
12521	(df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12522	code to properly handle multiword hard registers.
12523	(df_rescan_blocks): Added code to remove deleted blocks from
12524	bitmap.
12525	(df_ref_create_structure, df_ref_record): Added code to properly
12526	handle subregs.
12527	(df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12528	and set DF_REF_PARTIAL.
12529	(df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12530	(df_uses_record): Added DF_REF_PARTIAL for subreg.
12531	(df_scan_add_problem): Added flags parameter.
12532	(df_ref_create_structure): Changed switching structure.
12533	(df_bb_refs_record): Fixed case where duplicate artificial refs
12534	were created.  Changed location of flags.
12535	(df_record_entry_block_defs): Added code to make stack pointer
12536	live in entry block.  Refined cases where frame pointer is needed.
12537	Changed location of flags.
12538	(df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12539	(df_set_state): Removed function.
12540	(df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12541	df_insn_create_insn_record, df_insn_refs_delete,
12542	df_ref_create_structure): Formatting changes.
12543	* df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12544	df_delete_basic_block): New function.
12545	(df_init): Changed location of flags.
12546	(df_add_problem): Added flags parameter and the way flags are
12547	processed.
12548	(df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12549	debug_df_chain): Improved debugging output.
12550	(df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12551	(df_refs_chain_dump): Removed df parameter.
12552	(df_iterative_dataflow): Added consistency check.
12553	(df_prune_to_subcfg): Made public.
12554	(df_analyze_problem): Added blocks_to_init parameter and made
12555	public.
12556	(df_ref_record, df_bb_refs_record, df_mark_reg,
12557	 df_record_exit_block_uses): Whitespace changes.
12558	(df_dump): Whitespace changes.
12559	* df.h: Some reordering to remove forward references.
12560	(df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12561	DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12562	(df_ref_flags.DF_REF_CLOBBER): Deleted field.
12563	(dataflow.flags): New field.
12564	(df.flag): Deleted field.
12565	(df_alloc_function): Added additional bitmap parameter.
12566	(df_dependent_problem_function): New type.
12567	(df_problem.changeable_flags): New field.
12568	(df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12569	DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12570	(df_mw_hardreg): New struct.
12571	(DF_INSN_UID_MWS): New macro.
12572	(df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12573	parameter.
12574	(df_add_problem, df_ru_add_problem, df_rd_add_problem,
12575	df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12576	df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12577	(df_set_state): Removed function.
12578	(df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12579	* df-problems.c (df_chain_dump): Removed df parameter.
12580	(df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12581	df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12582	parameter.
12583	(df_ru_alloc, df_rd_alloc): Now resets all blocks.
12584	(df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12585	df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12586	Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12587	DF_REF_MUST_CLOBBER cases.
12588	(df_ru_bb_local_compute_process_def,
12589	df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12590	df_lr_bb_local_compute, df_ur_bb_local_compute,
12591	df_chain_create_bb): Made subreg aware.
12592	(df_ru_bb_local_compute, df_rd_bb_local_compute,
12593	df_lr_bb_local_compute, df_lr_bb_local_compute,
12594	df_chain_create_bb): Cleanup to use proper macros.
12595	(df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12596	code to fixup bitvectors.
12597	(df_ri_alloc): Cleared lifetime.
12598	(df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12599	df_create_unused_note): New function.
12600	(df_ri_bb_compute, df_ri_compute): Added code to create/update
12601	REG_DEAD and REG_UNUSED notes as well as register information.
12602	(df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12603	df_chains_dump): Fixed crash if problem was never run.
12604	(df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12605	df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12606	df_ri_add_problem): Processes flags in uniform manner.
12607	(df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12608	df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12609	df_rd_dump, df_urec_free_bb_info): Formatting changes.
12610	(df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12611	df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12612	df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12613	df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12614	df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12615	df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12616	* modulo-sched.c (sms_schedule): Added flag parameter to calls.
12617	* see.c (see_initialize_data): Ditto.
12618	* final.c (rest_of_clean_state) Added regstack_completed.
12619	* rtl.h (regstack_completed): Ditto.
12620	* reg-stack.c (regstack_completed): Ditto.
12621
126222006-05-19  Mike Stump  <mrs@apple.com>
12623
12624	* c-tree.h (default_conversion): Remove.
12625	* c-common.h (default_conversion): Add.
12626
126272006-05-19  Zdenek Dvorak <dvorakz@suse.cz>
12628
12629	* tree-vrp.c (valid_value_p): New function.
12630	(adjust_range_with_scev): Fail if the value of bound is not
12631	simple.
12632
126332006-05-19  Richard Sandiford  <richard@codesourcery.com>
12634
12635	* config/mips/linux-unwind.h: Include <asm/unistd.h>
12636	(mips_fallback_frame_state): Use syscall numbers to determine
12637	the appropriate li instruction for the current ABI.  Only use
12638	__NR_sigreturn for o32.
12639
126402006-05-19  Nicolas Setton  <setton@adacore.com>
12641
12642	* langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12643	* langhooks.c (lhd_dwarf_name): New function.
12644	* langhooks-def.h (lhd_dwarf_name): Declare.
12645	(LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12646	* dwarf2out.c (dwarf2_name): Use the dwarf_name	language hook.
12647
126482006-05-19  Richard Sandiford  <richard@codesourcery.com>
12649
12650	* libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12651	libgcc2.h.
12652	(LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12653	MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
12654	LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12655	* libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12656	Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12657	determine the size of Wtype, etc.
12658	* mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12659	(swfloatfuncs): New variable.
12660	(dwfloatfuncs): Likewise.
12661	(lib2funcs): Remove floating-point conversion functions from
12662	initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
12663	the set of conversion routines needed.  Allow entries to specify
12664	an object name, filename and word size.  Update users accordingly.
12665	* Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12666	* config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12667
12668	Revert:
12669
12670	2006-02-08  Roger Sayle  <roger@eyesopen.com>
12671
12672	PR target/22209
12673	* config/fixtfdi.c: New libgcc source file.
12674	* config/fixunstfdi.c: New source file.
12675	* config/floatditf.c: New source file.
12676	* config/floatunditf.c: New souce file.
12677	* config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12678	files above instead of config/mips/_tilib.c.
12679	* config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12680
126812006-05-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12682
12683	* pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12684	* pa/pa-hpux11.h (LIB_SPEC): Update comment.
12685
126862006-05-18  Mike Stump  <mrs@apple.com>
12687
12688	Fix up vla, vm and [*] sematics.
12689
12690	PR c/18740
12691	PR c/7948
12692	PR c/25802
12693	PR c/27673
12694	* c-tree.h (struct c_arg_info): Add had_vla_unspec.
12695	(c_vla_unspec_p): Add.
12696	(c_vla_type_p): Add.
12697	* c-decl.c (struct c_scope): Add had_vla_unspec.
12698	(build_array_declarator): Add support for [*].
12699	(grokdeclarator): Likewise.
12700	(grokparms): Likewise.
12701	(get_parm_info): Likewise.
12702	* c-objc-common.c (c_vla_unspec_p): Likewise.
12703	* c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12704	* c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12705	typeof when argument is a variably modified type not inside sizeof or alignof.
12706	(c_parser_direct_declarator_inner): Propagate errors.
12707	(c_parser_sizeof_expression): Add support for [*].
12708	(c_parser_parms_declarator): Initialize had_vla_unspec.
12709	(c_parser_parms_list_declarator): Likewise.
12710	* c-typeck.c (c_vla_type_p): Add.
12711	(composite_type): Add support for vla compositing.
12712	(comptypes_internal): Add support for vla compatibility.
12713	(c_expr_sizeof_expr): Evaluate vla arguments.
12714	* tree.c (variably_modified_type_p): Update comment for [*].
12715
127162006-05-18  Michael Matz  <matz@suse.de>
12717
12718	PR target/27599
12719	* config.host: Make assignments to host_xmake_file cumulative.
12720	* config.host (*-darwin*): Test $host, not $target.
12721
127222006-05-12  Stuart Hastings  <stuart@apple.com>
12723
12724	* config/i386/i386.opt (-mstackrealign): New flag.
12725	* config/i386/i386.c (force_align_arg_pointer): New attribute.
12726	(ix86_handle_cconv_attribute): Emit error when
12727	force_align_arg_pointer attribute collides with too many regparms.
12728	(ix86_function_regparm): Limit regparms when used with
12729	force_align_arg_pointer attribute.  (ix86_internal_arg_pointer):
12730	Support stack-realigning prologue in non-main functions.  Emit
12731	warning for nested functions under -mstackrealign, emit error for
12732	nested functions with force_align_arg_pointer attribute.
12733	* doc/extend.texi (force_align_arg_pointer): Document it.
12734	* doc/invoke.texi (-mstackrealign): Document it.
12735
127362006-05-17  Kazu Hirata  <kazu@codesourcery.com>
12737
12738	PR rtl-optimization/27477
12739	* combine.c (try_combine): Don't split a parallel consisting
12740	of two sets into two individual sets if both sets reference
12741	cc0.
12742
127432006-05-17  H.J. Lu  <hongjiu.lu@intel.com>
12744
12745	* config/arm/arm.opt (target_fpe_name): Remove VarExists.
12746	* config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12747
12748	* doc/options.texi (VarExists): Updated.
12749
127502006-05-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12751
12752	* unwind-dw2.c: Add declarations for uw_update_context and
12753	uw_frame_state_for.
12754	* pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12755	detected, advance frame state and context once to skip over stub.
12756
127572006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
12758
12759	PR middle-end/20256
12760	PR middle-end/26435
12761	* tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12762	Call rewrite_into_loop_closed_ssa only when something changed.
12763	* lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12764	* lambda-code.c (can_convert_to_perfect_nest): Declared.
12765	(gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12766	Test for perfect_nest_p here.  Fix formating.
12767	(replace_uses_equiv_to_x_with_y): Fix formating.
12768	(stmt_uses_op): Removed.
12769	(can_convert_to_perfect_nest): Removed loopivs parameter.
12770	Complete the test by checking the scalar dependences.
12771	(perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12772	Fix formating.
12773
127742006-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
12775
12776	PR bootstrap/22541
12777	From Dan Kegel <dank@kegel.com>:
12778	* Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12779
127802006-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12781
12782	* tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12783	if the element type is variably modified without recursing.
12784
127852006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
12786
12787	PR middle-end/27332
12788	* tree-loop-linear.c (try_interchange_loops): Test for
12789	no data dependences.
12790
127912006-05-17  Zdenek Dvorak <dvorakz@suse.cz>
12792
12793	PR tree-optimization/27548
12794	* tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12795	range of ssa names that appear on abnormal edges.
12796	* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12797	* tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12798
127992006-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
12800
12801	PR middle-end/27620
12802	* expr.c (safe_from_p): Handle CONSTRUCTOR again.
12803
128042006-05-17  Jakub Jelinek  <jakub@redhat.com>
12805
12806	PR middle-end/27415
12807	* tree.h (OMP_PARALLEL_COMBINED): Define.
12808	* gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12809	(new_omp_context): Add is_combined_parallel argument.
12810	(gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12811	new_omp_context caller.
12812	(gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12813	Adjust gimplify_scan_omp_clauses callers.
12814	(omp_is_private): Issue errors if iteration variable is firstprivate
12815	or reduction in the current context.
12816	* c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12817	on combined parallel workshare constructs.
12818
128192006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12820
12821	* Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12822	(gcc-options.o): New rule.
12823
12824	* optc-gen.awk: Protect variables for gcc-options.o with
12825	#ifdef GCC_DRIVER/#endif.
12826
128272006-05-16  Daniel Berlin <dberlin@dberlin.org>
12828
12829	Fix PR tree-optimization/27373
12830	* tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12831	 (forward_propagate_addr_expr): Update call.
12832
128332006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12834
12835	* doc/options.texi: Move the Negative option.
12836
128372006-05-16  Richard Guenther  <rguenther@suse.de>
12838
12839	PR tree-optimization/22303
12840	* tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12841	from STRING_CSTs.
12842	(evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12843	ccp_fold did not simplify the statement.
12844
128452006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12846
12847	PR driver/26885
12848	* Makefile.in (GCC_OBJS): New.
12849	(OBJS-common): Add opts-common.o.
12850	(xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12851	(cpp$(exeext)): Likewise.
12852	(gcc.o): Also depend on opts.h.
12853	(opts-common.o): New.
12854
12855	* common.opt (gcoff): Add Negative(gdwarf-2).
12856	(gdwarf-2): Add Negative(gstabs).
12857	(gstabs): Add Negative(gstabs+).
12858	(gstabs+): Add Negative(gvms).
12859	(gvms): Add Negative(gxcoff).
12860	(gxcoff): Add Negative(gxcoff+).
12861	(gxcoff+): Add Negative(gcoff).
12862	* config/i386/i386.opt (m32): Add Negative(m64).
12863	(m64): Add Negative(m32).
12864
12865	* doc/options.texi: Document the Negative option.
12866
12867	* gcc.c: Include "opts.h".
12868	(main): Call prune_options after expandargv.
12869
12870	* optc-gen.awk: Generate common declarations for all flag
12871	variables in options.c. Output the neg_index field.
12872
12873	* opts.c (find_opt): Moved to ...
12874	* opts-common.c: Here. New file.
12875
12876	* opts.h (cl_option): Add a neg_index field.
12877	(find_opt): New.
12878	(prune_options): Likewise.
12879
128802006-05-16  Jakub Jelinek  <jakub@redhat.com>
12881
12882	PR middle-end/27573
12883	* omp-low.c (expand_omp_parallel): Don't assert
12884	.OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12885	instead search for it.
12886
12887	PR c/27499
12888	* gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12889	is signed.
12890
128912006-05-16  Andreas Schwab  <schwab@suse.de>
12892
12893	* doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12894	defmac.
12895
128962006-05-15  Roger Sayle  <roger@eyesopen.com>
12897
12898	PR target/26600
12899	* config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12900	integer constants other than zero are only legitimate on TARGET_64BIT.
12901	<CONST_VECTOR> Only zero vectors are legitimate.
12902	(ix86_cannot_force_const_mem): Integral and vector constants can
12903	always be put in the constant pool.
12904
129052006-05-16  DJ Delorie  <dj@redhat.com>
12906
12907	* crtstuff.c (__dso_handle): Set section from
12908	TARGET_LBIGCC_SDATA_SECTION if defined.
12909	* doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12910	* config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12911
129122006-05-16  Danny Smith  <dannysmith@users.sourceforge.net>
12913
12914	PR target/27599
12915	* config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12916	host_xmake_file.
12917
129182006-05-16  Ben Elliston  <bje@au.ibm.com>
12919
12920	* tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12921
129222006-05-15  Per Bothner  <per@bothner.com>
12923
12924	* tree.c: (last_annotated_node): Use source_locus typedef.
12925	This permits bootstrapping with --enable-mapped-location.
12926
129272006-05-15  Zdenek Dvorak <dvorakz@suse.cz>
12928
12929	PR tree-optimization/26830
12930	* tree-into-ssa.c (struct ssa_name_info): Add age field.
12931	(info_for_ssa_name, current_info_for_ssa_name_age,
12932	blocks_to_update): New variables.
12933	(get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12934	(clear_ssa_name_info, initialize_flags_in_bb,
12935	mark_block_for_update): New functions.
12936	(mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12937	(insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12938	prepare_def_site_for): Use mark_block_for_update.
12939	(mark_def_interesting): Assert that the processed block is marked in
12940	blocks_to_update.  Do not take blocks argument.
12941	(prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12942	argument.
12943	(rewrite_update_init_block, rewrite_update_stmt): Only process
12944	blocks with statements to rewrite.
12945	(delete_update_ssa): Do not clear SSA_NAME_AUX.
12946	(update_ssa): Initialize and free blocks_to_update.  Do not
12947	clear flags on statements.  Do not use blocks bitmap.
12948	* tree.h (SSA_NAME_AUX): Removed.
12949	(struct tree_ssa_name): Removed aux field.
12950	* print-tree.c (print_node): Do not print SSA_NAME_AUX.
12951
129522006-05-15  Richard Guenther  <rguenther@suse.de>
12953
12954	PR tree-optimization/27603
12955	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12956	Do computations in original type.
12957
129582006-05-15  Mircea Namolaru  <namolaru@il.ibm.com>
12959
12960	* see.c: Code style changes such as redundant paranthesis,
12961	redundant intialization of local variables etc.
12962	(see_main): Declared now as static.
12963	* doc/invoke.texi: Update that -fsee is not enabled by
12964	default at -O3.
12965
129662006-05-15  Jakub Jelinek  <jakub@redhat.com>
12967
12968	* omp-low.c (check_omp_nesting_restrictions): New function.
12969	(scan_omp_1): Call it.
12970
12971	PR middle-end/27416
12972	* omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12973	construct, return *VAR.
12974
129752006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
12976
12977	PR rtl-optimization/27406
12978	* bt-load.c (migrate_btr_def): Skip the block having abnormal
12979	edges.
12980
129812006-05-14  Roger Sayle  <roger@eyesopen.com>
12982
12983	PR rtl-optimization/27538
12984	* combine.c (expand_compound_operation): Call gen_lowpart
12985	before calling simplify_shift_const.
12986
129872006-05-14  Roger Sayle  <roger@eyesopen.com>
12988
12989	PR rtl-optimization/22563
12990	* expmed.c (store_fixed_bit_field): When using AND and IOR to store
12991	a fixed width bitfield, always force the intermediates into psuedos.
12992
129932006-05-14  Bernhard Fischer  <aldot@gcc.gnu.org>
12994
12995	PR 27501
12996	* mkconfig.sh: Use operator = instead of == for test.
12997
129982006-05-13  Nick Clifton  <nickc@redhat.com>
12999
13000	* dwarf2out.c (dbx_reg_number): Check return value from
13001	LEAF_REG_REMAP and only use it if it is valid.
13002	(multiple_reg_loc_descriptor): Likewise.
13003
130042006-05-13  Richard Guenther  <rguenther@suse.de>
13005
13006	* config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
13007	host_xmake_file.
13008
130092006-05-13  Steven Bosscher  <stevenb.gcc@gmail.com>
13010
13011	* df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
13012	information attached to non-INSNs such as NOTEs.
13013	(df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
13014
130152006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>
13016
13017	* config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
13018	On contraint.
13019	* config/s390/s390.md: Adjust comment describing On constraint.
13020
130212006-05-11  Jan Hubicka  <jh@suse.cz>
13022
13023	* cgraphunit.c (decide_is_function_needed): Don't force always_inline
13024	to be output at -O0.
13025
130262006-05-11  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13027
13028	PR middle-end/27384
13029	* fold-const.c (size_binop): Move sanity check for arguments to
13030	the beginning of the function.
13031
13032	PR middle-end/27488
13033	* fold-const.c (tree_expr_nonnegative_p): Return early on invalid
13034	expression.
13035
130362006-05-11  Richard Guenther  <rguenther@suse.de>
13037
13038	PR middle-end/27529
13039	* fold-const.c (fold_unary): Handle intermediate conversion
13040	to a pointer type like intermediate conversion to an integer
13041	type in folding of (T1)(T2)var to var.
13042	Match the code to the comment in the final conversion for
13043	(T1)(T2)var to (T1)var regarding to type precision.  Rather
13044	than disallow T1 being of pointer type, assert that both T1
13045	and var are of pointer type or not.  Make sure not to fall
13046	over the frontends lazyness wrt array to pointer decay though.
13047
130482006-05-10  Richard Earnshaw  <rearnsha@arm.com>
13049
13050	* arm.c (arm_struct_value_rtx): Delete.
13051	(TARGET_STRUCT_VALUE_RTX): Use the default definition.
13052	(arm_init_cumulative_args): Always initialize nregs to zero.
13053
130542006-05-10  Richard Guenther  <rguenther@suse.de>
13055
13056	PR tree-optimization/27532
13057	* tree-object-size.c (plus_expr_object_size): Fix typo.
13058
130592006-05-10  Kazu Hirata  <kazu@codesourcery.com>
13060
13061	PR target/24949
13062	* config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
13063	ashrdi_const, ashrdi3): Use a scratch register.
13064
130652006-05-10  Richard Guenther  <rguenther@suse.de>
13066
13067	PR tree-optimization/27302
13068	* fold-const.c (operand_equal_p): For two comparisons,
13069	try comparison of one comparison code swapped if that yields
13070	the same code.
13071
130722006-05-10  Ben Elliston  <bje@au.ibm.com>
13073
13074	* tree-pretty-print.c (pretty_print_string): No need to handle
13075	'\0' as a special character.
13076
13077	* tree.h: Include "hashtab.h".
13078	(iterative_hash_expr): Use hashval_t in its prototype.
13079	* Makefile.in (TREE_H): Add $(HASHTAB_H).
13080
130812006-05-09  Steve Ellcey  <sje@cup.hp.com>
13082
13083	PR bootstrap/26872
13084	* config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
13085	(hppa*64*-*-hpux11*): Ditto.
13086	(hppa[12]*-*-hpux11*): Ditto.
13087
130882006-05-09  David Edelsohn  <edelsohn@gnu.org>
13089
13090	PR target/26545
13091	* config/rs6000/aix41.h (TARGET_64BIT): Define.
13092
130932006-05-09  Michael Matz  <matz@suse.de>
13094
13095	* config.host (<i[34567]86-*-*, x86_64-*-*>): Set
13096	host_extra_gcc_objs and host_xmake_file.
13097	(<*-*-linux*>): Don't overwrite host_xmake_file.
13098	* gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
13099	* config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
13100	(host_detect_local_cpu): Declare.
13101	(CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
13102	* config/i386/i386.c (override_options): Handle -mtune=native
13103	as -mtune=generic.
13104	* config/i386/x-i386: New file.
13105	* config/i386/driver-i386.c: New file.
13106	* doc/invoke.texi (<i386 and x86-64 Options>): Describe
13107	cpu-type "native".
13108
131092006-05-09  Dirk Mueller  <dmueller@suse.de>
13110	Richard Guenther  <rguenther@suse.de>
13111
13112	PR middle-end/27498
13113	* fold-const.c (fold_read_from_constant_string): Relax check
13114	for matching types to matching modes.
13115
131162006-05-09  Zdenek Dvorak <dvorakz@suse.cz>
13117
13118	PR rtl-optimization/27335
13119	* loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
13120	loops.
13121
131222006-05-08  Chao-ying Fu  <fu@mips.com>
13123	    Richard Sandiford  <richard@codesourcery.com>
13124
13125	* config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
13126	(vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
13127	* config/mips/mips.md (UNSPEC_SCC): New constant.
13128	* config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
13129	* config/mips/mips.c (mips_reverse_fp_cond_p): New function.
13130	(mips_emit_compare): Use it.
13131	(mips_expand_vcondv2sf): New function.
13132
131332006-05-08  Daniel Berlin  <dberlin@dberlin.org>
13134
13135	Fix PR tree-optimization/27093
13136	* tree-ssa-alias.c (recalculate_used_alone): Mark variables for
13137	renaming when they become not-used_alone.
13138
131392006-05-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13140
13141	* hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
13142	relocation and relocation stubs.
13143
131442006-05-08  Eric Christopher  <echristo@apple.com>
13145
13146	* unwind-dw2-fde-darwin.c (examine_objects): Only check data
13147	section for ppc.
13148
131492006-05-08  Jan Hubicka  <jh@suse.cz>
13150
13151	PR middle-end/24561
13152	* cgraphunit.c (decide_is_function_needed): When not optimizing even
13153	unused static functions are needed.
13154
131552006-05-08  Roger Sayle  <roger@eyesopen.com>
13156
13157	PR target/27158
13158	* reload.c (find_reloads_toplev): Only return the simplified SUBREG
13159	of a reg_equiv_constant if the result is a legitimate constant.
13160
131612006-05-08  Uros Bizjak  <uros@kss-loka.si>
13162
13163	PR target/27277
13164	* config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
13165	standard 80387 constants, raise the cost to prevent
13166	compress_float_constant() to generate load from memory.
13167
131682006-05-08  Kazu Hirata  <kazu@codesourcery.com>
13169
13170	* config/arm/constraints.md (c): Fix a typo.
13171
13172	* see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
13173	typos.
13174
131752006-05-07  H.J. Lu  <hongjiu.lu@intel.com>
13176
13177	PR target/24879
13178	* config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
13179	inline function.
13180	(_mm_mwait): Likewise.
13181
13182	* config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
13183	"mwait".
13184	(sse3_monitor): Make it 32bit only.
13185	(sse3_monitor64): New. 64bit monitor.
13186
131872006-05-07  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13188
13189	PR target/27421
13190	* config/i386/i386.c (classify_argument): Skip fields with invalid
13191	types.
13192
131932006-05-07  Richard Guenther  <rguenther@suse.de>
13194
13195	PR tree-optimization/27409
13196	* tree-ssa-structalias.c (get_constraint_for_component_ref):
13197	Do not try to find zero-sized subvars.
13198
131992006-05-07  Richard Guenther  <rguenther@suse.de>
13200
13201	PR tree-optimization/27136
13202	* tree-ssa-loop-niter.c (get_val_for): Correct function
13203	comment, assert requirements.
13204	(loop_niter_by_eval): Stop processing if the iterated
13205	value did not simplify.
13206
132072006-05-07  Mircea Namolaru  <namolaru@il.ibm.com>
13208
13209	* opts.c (flag_see): remove its setting at -O3.
13210
132112006-05-07  Richard Earnshaw  <rearnsha@arm.com>
13212
13213	* genpeep.c (main): Make insn-peep.c depend on flags.h.
13214	* arm/constraints.md: New file.
13215	* arm.h (REG_CLASS_FROM_LETTER_P): Delete.
13216	(CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
13217	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
13218	(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
13219	(CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
13220	(EXTRA_MEMORY_CONSTRAINT): Likewise.
13221	* arm.md: Include constraints.md.
13222	(thumb_movsi_insn): Use satisfies_constraint_J.
13223	(movhi, movqi): Use satisfies_constraint_I.
13224
132252006-04-29 Anatoly Sokolov <aesok@post.ru>
13226
13227	* config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
13228	for atmeg a645 device.
13229
132302006-05-06   Richard Guenther  <rguenther@suse.de>
13231
13232	PR tree-optimization/27151
13233	* tree-vect-transform.c (vectorizable_condition): Punt on
13234	values that have a different type than the condition.
13235
132362006-05-03  Aldy Hernandez  <aldyh@redhat.com>
13237
13238	PR/21391
13239	* c-parser.c (c_parser_cast_expression): Only insert casts into
13240	hash table if pointer.
13241	* function.c (used_types_insert_helper): Rename from
13242	used_types_insert.
13243	(used_types_insert): Call used_types_insert_helper.
13244	* function.h (used_types_insert): Accept only one argument.
13245
132462006-05-05  David Edelsohn  <edesohn@gnu.org>
13247
13248	* config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
13249	scratch with output modifier.
13250
132512006-05-04  David Edelsohn  <edelsohn@gnu.org>
13252
13253	PR target/26481
13254	* config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
13255	with output modifier.
13256
132572006-05-04  Richard Sandiford  <richard@codesourcery.com>
13258
13259	PR target/26765
13260	* config/mips/mips.c (mips_symbolic_address_p): Return true
13261	for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
13262	SYMBOL_GOTTPREL, and SYMBOL_TLS.
13263
132642006-05-04  Richard Guenther  <rguenther@suse.de>
13265
13266	PR tree-optimization/14287
13267	PR tree-optimization/14844
13268	PR tree-optimization/19792
13269	PR tree-optimization/21608
13270	PR tree-optimization/27090
13271	* tree-ssa-pre.c (try_combine_conversion): New function.
13272	(compute_avail): After constructing the value-handle
13273	expression, use try_combine_conversion to combine NOP_EXPRs
13274	with previous value-handle expressions and use the result if it
13275	is available.
13276
132772006-05-04  Joseph S. Myers  <joseph@codesourcery.com>
13278
13279	* config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
13280
132812006-05-04  Jan Hubicka  <jh@suse.cz>
13282
13283	PR middle-end/25962
13284	* cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
13285
132862006-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
13287
13288	* config/bfin/predicates.md (const01_rtx): Tell generator programs
13289	that this only matches CONST_INTs.  All users changed to VOIDmode
13290	operands.
13291
13292	* config/bfin/bfin.c: Include "optabs.h".
13293	(bfin_rtx_costs): Some costs for vector operations, to allow combine
13294	to do more work.
13295	(enum bfin_builtins): Add a number of fractional and vector builtins.
13296	(bfin_init_builtins): Likewise.
13297	(struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13298	(safe_vector_operand, bfin_expand_binop_builtin,
13299	bfin_expand_unop_builtin): New functions.
13300	(bfin_expand_builtin): Handle the new builtins.
13301	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13302	__ADSPBLACKFIN__.
13303
133042006-05-04  Leehod Baruch  <leehod@il.ibm.com>
13305
13306	* see.c: New file.
13307	* Makefile.in (OBJS-common): Add see.o.
13308	(see.o): Add dependencies.
13309	* common.opt (fsee): New flag for the see optimization was added.
13310	* opts.c (flag_see): Initialized.
13311	* passes.c (init_optimization_passes, pass_see): New pass.
13312	* rtl.h (see_main): Declaration as extern.
13313	* timevar.def (TV_SEE): New.
13314	* tree-pass.h (pass_see): Declaration as extern.
13315	* invoke.texi (-fsee): Document.
13316	* recog.c (validate_simplify_insn): New function.
13317	* recog.h (validate_simplify_insn): Declaration as extern.
13318	* df-problems.c (df_chain_dump): Check for NULL.
13319
133202006-05-04  Kenneth Zadeck <zadeck@naturalbridge.com>
13321	    Daniel Berlin  <dberlin@dberlin.org>
13322
13323	* cfgrtl.c (insert_insn_bb_end_new): New function.
13324	* basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13325
133262006-05-04  Leehod Baruch  <leehod.baruch@weizmann.ac.il>
13327
13328	* df.h (struct web_entry): Moved from web.c.
13329	(union_defs): Declaration as extern.
13330	(unionfind_root): Likewise.
13331	(unionfind_union): Likewise.
13332	* web.c (struct web_entry): Moved to df.h.
13333	(unionfind_root): Remove static declaration.
13334	(unionfind_union): Likewise.
13335	(union_defs): Likewise and generalize to use callback function.
13336	(web_main): Update arguments for union_defs function call.
13337
133382006-05-04  Richard Guenther  <rguenther@suse.de>
13339
13340	PR tree-optimization/26447
13341	* tree-ssa-pre.c (realify_fake_stores): For necessary loads
13342	produce SSA_NAME copies before the store stmt to avoid
13343	breaking exception handling.
13344
133452006-05-04  Jakub Jelinek  <jakub@redhat.com>
13346
13347	PR middle-end/27388
13348	* gimplify.c (omp_is_private): If var is shared in some outer context,
13349	return false instead of true.  Stop searching on parallel context
13350	boundary.
13351
133522006-05-03  Alexandre Oliva  <aoliva@redhat.com>
13353
13354	PR java/8260
13355	* coverage.c: Use get_gcov_unsigned_t() instead of
13356	unsigned_type_node all over.
13357
133582006-05-02  Andrew MacLeod  <amacleod@redhat.com>
13359
13360	PR tree-optimization/27381
13361	* tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13362	maintain the same immediate_use links.
13363	* tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13364	node rather than segfaulting.
13365
133662006-05-03  Jakub Jelinek  <jakub@redhat.com>
13367
13368	PR fortran/27395
13369	* gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13370	rather than TREE_CODE to OMP_CLAUSE_REDUCTION.  Set also GOVD_SEEN
13371	bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13372
133732006-05-02  Daniel Berlin  <dberlin@dberlin.org>
13374
13375	Fix PR tree-optimization/26626
13376	* tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13377	always.
13378	* tree-ssa-operands.c (access_can_touch_variable): Allow
13379	typecasting through union pointers.
13380
133812006-05-02  Jakub Jelinek  <jakub@redhat.com>
13382
13383	PR c++/26943
13384	* omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13385	(build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13386	to find if var will be a global variable even in the nested context.
13387	(omp_copy_decl): Only check for global variable at the end, it might
13388	be overridden in outer contexts.
13389	(scan_sharing_clauses): For global variables don't create a field.
13390	(lower_rec_input_clauses): Do nothing for global shared variables.
13391	Emit a barrier at the end of ILIST if there were any decls in both
13392	firstprivate and lastprivate clauses.
13393	(lower_send_clauses): Do nothing for global variables except for
13394	COPYIN.
13395
133962006-05-02  Zdenek Dvorak <dvorakz@suse.cz>
13397
13398	* tree.c (unsigned_type_for, signed_type_for): Make sure a type
13399	of the correct signedness is returned.
13400
134012006-05-02  Jeff Law  <law@redhat.com>
13402
13403	PR tree-optimization/27364
13404	* tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13405	multiply expressions.
13406
134072006-05-02  Tom Tromey  <tromey@redhat.com>
13408
13409	* tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13410
134112006-05-02  Kazu Hirata  <kazu@codesourcery.com>
13412
13413	PR target/27387
13414	* arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13415	-mthumb -fPIC are used.
13416
134172006-05-02  Stanislaw Skowronek  <skylark@linux-mips.org>
13418	    Joshua Kinard  <kumba@gentoo.org>
13419
13420	PR target/25871
13421	* config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13422	with 64-bit pointers.
13423
134242006-05-02  Paul Brook  <paul@codesourcery.com>
13425
13426	* config/arm/arm.c (add_minipool_forward_ref): Check if insn
13427	and pool overlap.
13428	(create_fix_barrier): Check that a suitable barrier location is
13429	found.
13430	(arm_reorg): Include ftmp->address in allowable range of addresses.
13431
134322006-05-02  David Billinghurst <David.Billinghurst@riotinto.com>
13433
13434	PR ada/27366
13435	* ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13436	on Cygwin.
13437
134382006-05-02  Jakub Jelinek  <jakub@redhat.com>
13439
13440	PR middle-end/27337
13441	* gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13442	around RESULT_DECL for result passed by reference.
13443	(gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13444	* omp-low.c (use_pointer_for_field): Don't look at
13445	DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13446	(scan_omp_1): Call remap_decl on RESULT_DECLs.
13447	(lower_rec_input_clauses): Don't allocate VLA memory for the second
13448	time or var for passing by reference for
13449	OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses.  Allow creation of
13450	TREE_ADDRESSABLE variables when passing by reference.
13451
13452	* omp-low.c (dump_omp_region): Fix output formatting.
13453
13454	PR middle-end/27328
13455	* omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13456	(expand_omp_parallel): Likewise.
13457	* tree-cfg.c (move_sese_region_to_fn): Likewise.
13458
13459	PR middle-end/27325
13460	* omp-low.c (lower_omp_sections): Call maybe_catch_exception
13461	on statement list containing also constructors and destructors.
13462	(lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13463
13464	PR middle-end/27310
13465	* except.c (duplicate_eh_regions): Fix clearing of
13466	cfun->eh->region_array entries.
13467
134682006-05-01  DJ Delorie  <dj@redhat.com>
13469
13470	* configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13471	build!=host.
13472	(gcc_cv_objdump): Likewise.
13473	* configure: Regenerated.
13474
134752006-05-01  Kazu Hirata  <kazu@codesourcery.com>
13476
13477	PR target/27374
13478	* config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13479	templates for case 3 and 4.
13480
134812006-05-01  DJ Delorie  <dj@redhat.com>
13482
13483	* vec.c: Include bconfig.h when appropriate.
13484	* Makefile.in (build/vec.o): Adjust dependencies.
13485	* mkconfig.sh: Make sure config.h isn't used for build machine
13486	compiles.
13487
134882006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13489
13490	* tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13491	variables.
13492	(mark_phi_for_rewrite): New function.
13493	(insert_phi_nodes_for, mark_use_interesting): Call
13494	mark_phi_for_rewrite.
13495	(rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13496	(update_ssa): Initialize and free phis_to_rewrite.
13497
134982006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13499
13500	PR rtl-optimization/27291
13501	* loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13502	folded to a constant.
13503
135042006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13505
13506	PR tree-optimization/27283
13507	* tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13508	not whole # of iteration descriptions.
13509	(niter_for_exit): Return just # of iterations.  Fail if # of iterations
13510	uses abnormal ssa name.
13511	(niter_for_single_dom_exit): Ditto.
13512	(find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13513	return just the number of iterations.
13514
135152006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13516
13517	PR tree-optimization/27144
13518	* tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13519	(record_estimate): Only record constant upper bound.
13520	(infer_loop_bounds_from_undefined): Call
13521	compute_estimated_nb_iterations just once.
13522	(proved_non_wrapping_p): Renamed to ...
13523	(n_of_executions_at_most): ... this.  Expect bound to be a constant.
13524	(convert_step_widening, scev_probably_wraps_p): Call
13525	n_of_executions_at_most instead of proved_non_wrapping_p.
13526	(substitute_in_loop_info): Do not replace values in bounds.
13527	* cfgloop.h (struct nb_iter_bound): Remove "additional" field.  Update
13528	comments.
13529
135302006-05-01  Richard Henderson  <rth@redhat.com>
13531
13532	PR c/27358
13533	* c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13534	c_parser_skip_to_pragma_eol.  Convert to switch statement.  Handle
13535	CPP_PRAGMA.
13536
135372006-05-01  Roger Sayle  <roger@eyesopen.com>
13538
13539	* c-typeck.c (parser_build_binary_op): Don't call the function
13540	unsigned_conversion_warning to spot operand/result type overflow.
13541	(build_binary_op): Instead, call convert_and_check instead of
13542	convert to report the problem when the operands are promoted.
13543	* c-common.c (unsigned_conversion_warning): Make static.
13544	* c-common.h (unsigned_conversion_warning): Delete prototype.
13545
135462006-05-01  Richard Guenther  <rguenther@suse.de>
13547
13548	PR tree-optimization/26726
13549	* tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13550	problem ...
13551	(find_interesting_uses_address): ... we work around here
13552	by folding INDIRECT_REFs in the substituted base.
13553
135542006-05-01  Diego Novillo  <dnovillo@redhat.com>
13555
13556	* omp-low.c (dump_omp_region): Add newlines.
13557
135582006-04-30  Roger Sayle  <roger@eyesopen.com>
13559
13560	* common.opt (Woverflow): New command line option.
13561	* c-common.c (constant_expression_warning): Check warn_overflow.
13562	(overflow_waring): Pass OPT_Woverflow to warning.
13563	(unsigned_conversion_warning): Likewise.
13564	(convert_and_check): Likewise.
13565	* doc/invoke.texi: Document new command line option.
13566
135672006-04-30  David Edelsohn  <edelsohn@gnu.org>
13568
13569	* config/rs6000/rs6000.c (rs6000_override_options): Enable
13570	TARGET_NO_FP_IN_TOC for section anchors.
13571	(optimization_options): Enable section anchors for all
13572	non-"Objective" languages.
13573
135742006-04-28  Eric Christopher  <echristo@apple.com>
13575
13576	* config/darwin-c.c (darwin_ms_struct): Move this
13577	(darwin_set_default_type_attributes): and this...
13578	* config/darwin.c: ... here.
13579	* config/darwin.h (darwin_ms_struct): Declare.
13580
135812006-04-28  Andrew MacLeod  <amacleod@redhat.com>
13582
13583	* tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13584
135852006-04-28  Roger Sayle  <roger@eyesopen.com>
13586
13587	PR c/25309
13588	* c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13589	(push_array_bounds): Delete prototype.  Change BOUNDS argument to
13590	an unsigned HOST_WIDE_INT.
13591	(print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13592	array index.
13593	(really_start_incremental_init): No need to call convert because
13594	bitsize_zero_node is already of type bitsizetype.
13595	(push_init_level): Extract the value of constructor_index as an
13596	unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13597	(process_init_element): Likewise.
13598
135992006-04-28  Joseph S. Myers  <joseph@codesourcery.com>
13600
13601	* gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13602	value before passing to make_relative_prefix.
13603
136042006-04-28  Alan Modra  <amodra@bigpond.net.au>
13605
13606	PR middle-end/27260
13607	* builtins.c (expand_builtin_memset): Expand val in original mode.
13608
136092006-04-27  Eric Christopher  <echristo@apple.com>
13610
13611	* target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13612	with #ifndef/#endif.
13613	* config/darwin-c.c (darwin_ms_struct): New.
13614	(darwin_pragma_ms_struct): Ditto.
13615	(darwin_set_default_type_attributes): Ditto.
13616	* config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13617	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13618	Register ms_struct pragma.
13619	* config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13620	(TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13621	* config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13622	darwin_set_default_type_attributes if TARGET_MACHO.
13623
136242006-04-27  Andrew MacLeod  <amacleod@redhat.com>
13625
13626	PR tree-optimization/26854
13627	* tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13628	* doc/tree-ssa.texi: Update immuse iterator documentation.
13629	* tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13630	* tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13631	* tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13632	first_safe_imm_use, next_safe_imm_use): Remove.
13633	(end_imm_use_stmt_p): New.  Check for end of immuse stmt traversal.
13634	(end_imm_use_stmt_traverse): New.  Terminate immuse stmt traversal.
13635	(move_use_after_head): New.  Helper function to sort immuses in a stmt.
13636	(link_use_stmts_after): New.  Link all immuses in a stmt consescutively.
13637	(first_imm_use_stmt): New.  Get first stmt in an immuse list.
13638	(next_imm_use_stmt): New.  Get next stmt in an immuse list.
13639	(first_imm_use_on_stmt): New.  Get first immuse on a stmt.
13640	(end_imm_use_on_stmt_p): New.  Check for end of immuses on a stmt.
13641	(next_imm_use_on_stmt): New.  Move to next immuse on a stmt.
13642	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13643	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13644	(perfect_nestify): Use new iterator.
13645	* tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13646	iterator.
13647	* tree-flow.h (struct immediate_use_iterator_d): Add comments.
13648	(next_imm_name): New field in struct immediate_use_iterator_d.
13649	(FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13650	(FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13651	FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13652	* tree-cfg.c (replace_uses_by): Use new iterator.
13653	* tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13654	* tree-ssa-operands.c (correct_use_link): Remove.
13655	(finalize_ssa_use_ops): No longer call correct_use_link.
13656
136572006-04-27  Stuart Hastings  <stuart@apple.com>
13658
13659	* config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13660	* config/t-darwin (crt3.o): Use it.
13661	* config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13662	'pmode', use Pmode instead of SImode for SYMBOL_REF.
13663	* config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13664	call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13665	call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13666	support.
13667
136682006-04-27  Roger Sayle  <roger@eyesopen.com>
13669
13670	* expmed.c (store_fixed_bit_field): If we're not optimizing for
13671	size, force the intermediate into a new pseudo rather instead of
13672	performing both a bitwise AND and a bitwise IOR in memory.
13673
136742006-04-27  Richard Guenther  <rguenther@suse.de>
13675
13676	PR rtl-optimization/26685
13677	* params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13678	this one "max-flow-memory-locations".
13679
136802006-04-27  Richard Guenther  <rguenther@suse.de>
13681
13682	PR tree-optimization/25148
13683	* tree-vrp.c (compare_values): Remove code dealing with
13684	comparisons against type min/max value.  Honour overflow
13685	and negative constants in code dealing with comparisons
13686	of plus and minus expressions.
13687	(value_inside_range): Use fold_binary with LE_EXPR and
13688	GE_EXPR rather than compare_values.
13689
136902006-04-27  Dirk Mueller  <dmueller@suse.de>
13691
13692	* config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13693	prototype for SSE.
13694
136952006-04-26  Kenneth Zadeck <zadeck@naturalbridge.com>
13696
13697	* basic-block.h (safe_insert_insn_on_edge): Removed.
13698	* cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13699
137002006-04-26  David Edelsohn  <edelsohn@gnu.org>
13701	    Paolo Bonzini  <bonzini@gnu.org>
13702
13703	PR middle-end/27282
13704	* combine.c (simplify_and_const_int_1): Use gen_int_mode.
13705	(simplify_and_const_int): Same.
13706
137072006-04-26  Aldy Hernandez  <aldyh@redhat.com>
13708
13709	* tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13710
137112006-04-26  Jakub Jelinek  <jakub@redhat.com>
13712
13713	PR c/26171
13714	* cgraph.c (cgraph_varpool_finalize_decl): Don't call
13715	cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13716	cgraph_global_info_ready.
13717
13718	PR middle-end/26913
13719	* tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13720
13721	PR c/25996
13722	* c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13723	either decl or init is error_mark_node.
13724
13725	PR middle-end/25989
13726	* tree-flow.h (struct omp_region): Add sched_kind.
13727	* omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13728	instead of extracting omp for data.
13729	(expand_omp_for): Save extracted sched_kind.
13730
137312006-04-25  Roger Sayle  <roger@eyesopen.com>
13732
13733	* expmed.c (store_bit_field): Also check whether the bitsize is
13734	valid for the machine's "insv" instruction before moving the
13735	target into a pseudo for use with the insv.
13736	* config/i386/predicates.md (const8_operand): New predicate.
13737	* config/i386/i386.md (extv, extzv, insv): Use the new
13738	const8_operand predicate where appropriate.
13739
137402006-04-25  DJ Delorie  <dj@redhat.com>
13741
13742	* doc/install.texi (Specific): Clarify that this is not a list of
13743	supported hosts or targets.
13744
137452006-04-25  Richard Sandiford  <richard@codesourcery.com>
13746
13747	PR rtl-optimization/26725
13748	* cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13749	block's BB_DIRTY flag.
13750
137512006-04-25  Geoffrey Keating  <geoffk@apple.com>
13752
13753	* dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13754	are no branches.
13755
13756	* dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13757	to print an integer.
13758
137592006-04-25  David Edelsohn  <edelsohn@gnu.org>
13760
13761	* varasm.c (align_variable): New function.
13762	(get_block_for_decl): Apply align_variable to DECL before
13763	calculating section information.
13764	(assemble_variable): Split out alignment computation.
13765
137662006-04-25  Andreas Krebbel  <krebbel1@de.ibm.com>
13767
13768	* expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13769	machines.
13770
137712006-04-25  Bernd Schmidt  <bernd.schmidt@analog.com>
13772
13773	* genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13774	MODE_PARTIAL_INT mode.
13775	* config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13776	* config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13777	for CONST_INTs.
13778	(hard_regno_mode_ok): V2PDImode is ok for accumulators.
13779	* config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13780	V2PDImode.
13781	* config/bfin/predicates.md (const01_operand, vec_shift_operand):
13782	New predicates.
13783	* config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13784	New constants.
13785	(MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13786	MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13787	MACFLAG_IH): Likewise.
13788	(movstricthi_1): Renamed from "*movstricthi".
13789	(load_accumulator, load_accumulator_pair, movsi_insv, insv,
13790	ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13791	abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13792	movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13793	movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13794	movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13795	addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13796	sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13797	addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13798	mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13799	ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13800	flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13801	flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13802	flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13803	flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13804
13805	* doc/rtl.texi (ss_ashift): Improve wording.
13806
138072006-04-24  Geoffrey Keating  <geoffk@apple.com>
13808
13809	* dwarf2out.c (verify_marks_clear): New.
13810	(prune_unused_types): Call verify_marks_clear initially, not
13811	prune_unmark_dies.
13812
138132006-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
13814
13815	* rtl.def (SS_ASHIFT, SS_NEG): New codes.
13816	* doc/rtl.texi: Document them.
13817	* simplify-rtx.c (simplify_unary_operation,
13818	simplify_binary_operation_1): Don't abort when we see them.
13819
138202006-04-24  Mark Mitchell  <mark@codesourcery.com>
13821
13822	Revert:
13823	2006-04-23  Mark Mitchell  <mark@codesourcery.com>
13824	* configure.ac: Completely disregard languages that are not
13825	enabled.
13826	* configure: Regenerated.
13827
138282006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
13829	Richard Guenther  <rguenther@suse.de>
13830
13831	PR tree-optimization/27236
13832	* tree-inline.c (copy_body_r): Make sure to copy
13833	TREE_THIS_VOLATILE flag.
13834
138352006-04-24  Richard Guenther  <rguenther@suse.de>
13836
13837	PR middle-end/26869
13838	* tree-complex.c (update_parameter_components): Don't handle
13839	unused parameters which have no default def.
13840
138412006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
13842	Richard Guenther  <rguenther@suse.de>
13843
13844	PR tree-optimization/27218
13845	* tree-inline.c (expand_call_inline): Strip useless type
13846	conversions for the return slot address.
13847
138482006-04-24  Richard Guenther  <rguenther@suse.de>
13849
13850	* cfgloop.h (struct loops): Remove unused field array.  Reorder
13851	state after num.
13852	(LOOP_PREFETCH): Remove.
13853
138542006-04-24  Richard Guenther  <rguenther@suse.de>
13855
13856	PR tree-optimization/22525
13857	* value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13858	variable, adjust types of generated expressions.
13859
138602006-04-23  H.J. Lu  <hongjiu.lu@intel.com>
13861
13862	* Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13863	(tree-vect-patterns.o): Likewise.
13864	(jump.o): Likewise.
13865	(cselib.o): Likewise.
13866	(loop-doloop.o): Likewise.
13867	(regclass.o): Likewise.
13868	(reload1.o): Likewise.
13869	(explow.o): Replace target.h with $(TARGET_H).
13870	(ipa-prop.o): Likewise.
13871	(ipa-cp.o): Likewise.
13872	(ipa-inline.o): Likewise.
13873	(reorg.o): Likewise.
13874	(reg-stack.o): Likewise.
13875
138762006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
13877
13878	* tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13879
138802006-04-23  Mark Mitchell  <mark@codesourcery.com>
13881
13882	* print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13883
13884	* configure.ac: Completely disregard languages that are not
13885	enabled.
13886	* configure: Regenerated.
13887
13888	PR c++/26534
13889	* c-common.h (c_build_bitfield_integer_type): Declare.
13890	* c-decl.c (c_build_bitfield_integer_type): Move to ...
13891	* c-common.c (c_build_bitfield_integer_type): ... here.
13892
138932006-04-23  Roger Sayle  <roger@eyesopen.com>
13894
13895	PR target/21283
13896	* config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13897	a SImode SUBREG of a floating point register after no_new_pseudos.
13898
138992006-04-23  Roger Sayle  <roger@eyesopen.com>
13900
13901	* config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13902	identify potentially eliminable registers to additionally catch
13903	VIRTUAL_INCOMING_ARGS_REGNUM.
13904	(addsi3): Update the conditions on when to use addsi_small_int.
13905
139062006-04-23  Roger Sayle  <roger@eyesopen.com>
13907
13908	PR target/16641
13909	* config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13910	STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13911	rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13912
139132006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
13914
13915	* fold-const.c (range_predecessor): Use operand_equal_p
13916	as the predicate for equality.
13917	(range_successor): Likewise.
13918
139192006-04-22  Kazu Hirata  <kazu@codesourcery.com>
13920
13921	Revert:
13922	* config/soft-fp/op-common.h: Fix a typo.
13923
139242006-04-22  Frank Ch. Eigler  <fche@redhat.com>
13925
13926	PR libmudflap/26864
13927	* common.opt (flag_mudflap_threads): Overload flag_mudflap.
13928	* tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13929
139302006-04-22  Kazu Hirata  <kazu@codesourcery.com>
13931
13932	* config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13933	Fix comment typos.
13934	* doc/tm.texi: Fix a typo.
13935
139362006-04-21  Geoffrey Keating  <geoffk@apple.com>
13937
13938	* dwarf2out.c (struct die_struct): Document that die_sib makes
13939	a circular linked list.
13940	(FOR_EACH_CHILD): New.
13941	(reverse_die_lists): Delete.
13942	(reverse_all_dies): Delete.
13943	(add_dwarf_attr): Correct documentation.
13944	(remove_child_with_prev): New.
13945	(remove_child_TAG): Update for change to die_struct, use
13946	remove_child_with_prev.
13947	(add_child_die): Update for change to die_struct.
13948	(splice_child_die): Use remove_child_with_prev and add_child_die.
13949	(print_die): Use FOR_EACH_CHILD.
13950	(die_checksum): Likewise.
13951	(assign_symbol_names): Likewise.
13952	(output_location_lists): Likewise.
13953	(build_abbrev_table): Likewise.
13954	(calc_die_sizes): Likewise.
13955	(mark_dies): Likewise.
13956	(unmark_dies): Likewise.
13957	(unmark_all_dies): Likewise.
13958	(output_die): Likewise.
13959	(prune_unused_types_mark): Likewise.
13960	(prune_unused_types_walk): Likewise.
13961	(same_die_p): Update for change to die_struct.
13962	(break_out_includes): Likewise.
13963	(prune_unused_types_prune): Likewise.
13964	(add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13965	(prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13966	it's already clear.
13967	(dwarf2out_finish): Don't call reverse_all_dies.
13968
139692006-04-21  Eric Christopher  <echristo@apple.com>
13970
13971	* df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13972	in comments and function names.
13973
139742006-04-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13975
13976	PR c/25875
13977	* c-typeck.c (digest_init): Robustify.
13978
13979	* c-typeck.c (pop_init_level): Simplify.
13980
139812006-04-21  Steve Ellcey  <sje@cup.hp.com>
13982
13983	* config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13984
139852006-04-21  Paul Brook  <paul@codesourcery.com>
13986
13987	* config/arm/arm.c (arm_override_options): Error on iWMMXt and
13988	hardware floating point.
13989
139902006-04-21  David Edelsohn  <edelsohn@gnu.org>
13991
13992	* config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13993	NON_FLOAT_REGS.
13994
139952006-04-21  Nick Clifton  <nickc@redhat.com>
13996
13997	* config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13998	OPT_EXTRA_PARTS.
13999
140002006-04-21  Alan Modra  <amodra@bigpond.net.au>
14001
14002	PR target/27230
14003	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
14004	C++ lang type in traceback table for Objective-C++.
14005
14006	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
14007
140082006-04-20  H.J. Lu  <hongjiu.lu@intel.com>
14009
14010	* config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
14011
140122006-04-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14013
14014	PR mudflap/26789
14015	* tree-mudflap.c (mudflap_finish_file): Skip function when there
14016	were errors.  Remove check for erroneous objects.
14017
140182006-04-20  Jeff Law  <law@redhat.com>
14019
14020	PR tree-optimization/26854
14021	* tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
14022	checking for zero or one use.
14023	* tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
14024	* tree-cfgcleanup.c (merge_phi_nodes): Similarly.
14025	* tree-ssa-reassoc.c (negate_value): Similarly.
14026	(reassociate_bb): Similarly.
14027
140282006-04-20  Jakub Jelinek  <jakub@redhat.com>
14029
14030	PR C/27558
14031	* c-pretty-print.c (pp_c_direct_abstract_declarator): Print
14032	TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
14033	than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
14034
140352006-04-20  Alan Modra  <amodra@bigpond.net.au>
14036
14037	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
14038	fp regs if the last fp arg doesn't fit in regs.
14039
140402006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>
14041
14042	PR target/27182
14043	* config/sh/sh.md (movsicc_true+3): Tweak condition for the case
14044	that the last insn has the REG_INC note.
14045
140462006-04-19  Carlos O'Donell  <carlos@codesourcery.com>
14047	    Nathan Sidwell  <nathan@codesourcery.com>
14048
14049	PR c/26774
14050	* stor-layout.c (update_alignment_for_field): Do not align
14051	ERROR_MARK nodes.
14052	(place_union_field): Place union field at the start of the union.
14053	(place_field): Move ERROR_MARK check later, and use the current
14054	allocation position to maintain monotonicity.
14055
140562006-04-19  Zdenek Dvorak <dvorakz@suse.cz>
14057
14058	* dominance.c: Include timevar.h.
14059	(calculate_dominance_info): Use TV_DOMINANCE.
14060	* timevar.def (TV_DOMINANCE): New timevar.
14061	* Makefile.in (dominance.o): Add TIMEVAR_H dependency.
14062
140632006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
14064
14065	PR rtl-optimization/14261
14066	* ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
14067	move would be an INSV insn.
14068	(noce_process_if_block): Don't optimize if the destination is a
14069	ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
14070
140712006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
14072
14073	* config/s390/s390.md: Add comments with the instructions emitted
14074	by an insn pattern if macros are used.
14075
140762006-04-19  Alan Modra  <amodra@bigpond.net.au>
14077
14078	PR rtl-optimization/26026
14079	* fold-const.c (fold_binary): Optimize div and mod where the divisor
14080	is a known power of two shifted left a variable amount.
14081
140822006-04-18  Geoffrey Keating  <geoffk@apple.com>
14083
14084	* dwarf2out.c (prune_unused_types_update_strings): Don't add strings
14085	to hash table twice when the debug_str section has SECTION_MERGE.
14086
140872006-04-18  Joseph S. Myers  <joseph@codesourcery.com>
14088
14089	* config/soft-fp: New directory.  From glibc.
14090	* config/soft-fp/t-softfp: New.
14091	* config/soft-fp/README: New.
14092	* mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
14093	* Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
14094	(libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
14095	(LIBGCC_DEPS): Add $(SFP_MACHINE).
14096	* config.gcc: Use rs6000/t-fprules-fpbit or
14097	rs6000/t-fprules-softfp and soft-fp/t-softfp together with
14098	rs6000/t-fprules.
14099	* config/rs6000/sfp-machine.h: New.  Based on glibc.
14100	* config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
14101	New.
14102	* config/rs6000/t-fprules: Remove fp-bit rules.
14103	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
14104	* config/rs6000/t-linux64: Likewise.  Remove duplicates from
14105	LIB2FUNCS_EXTRA.  Remove fp-bit rules.
14106	(softfp_wrap_start, softfp_wrap_end): New.
14107
141082006-04-18  DJ Delorie  <dj@redhat.com>
14109
14110	* config/m32c/m32c.h (PTRDIFF_TYPE): Define.
14111
141122006-04-18  Devang Patel  <dpatel@apple.com>
14113
14114	* doc/invoke.texi (-Wuninitialized): Clarify -O connection.
14115
141162006-04-18  Nick Clifton  <nickc@redhat.com>
14117
14118	* config/sh/t-symbian: Add rule to build sh-c.o
14119	* config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
14120	of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
14121	(sh_symbian_encode_section_info): Likewise.
14122
141232006-04-18  Andreas Krebbel  <krebbel1@de.ibm.com>
14124
14125	* builtins.c (expand_builtin_strcmp): Cover label definition of
14126	do_libcall with HAVE_cmpstrnsi.
14127
141282006-04-18  Kazu Hirata  <kazu@codesourcery.com>
14129
14130	* function.c (temp_slots_at_level, max_slot_level): Use VEC
14131	instead of VARRAY.
14132	* function.h (temp_slot_p): New.
14133	(function): Change the type of x_used_temp_slots to
14134	VEC(temp_slot_p,gc) *.
14135
141362006-04-18  Nick Clifton  <nickc@redhat.com>
14137
14138	* config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
14139	flag_strength_reduce.
14140
14141	* doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
14142
141432006-04-18  Paolo Bonzini  <bonzini@gnu.org>
14144
14145	PR target/27117
14146
14147	Partial revert of revision 112637
14148	2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
14149		    Dale Johannesen  <dalej@apple.com>
14150
14151	PR target/19653
14152	* regclass.c (struct reg_pref): Update documentation.
14153	(regclass): Set prefclass to NO_REGS if memory is the best option.
14154	(record_reg_classes): Cope with a prefclass set to NO_REGS.
14155
141562006-04-18  Paolo Bonzini  <bonzini@gnu.org>
14157
14158	PR tree-optimization/26821
14159	* tree-ssa-math-opts.c (get_constant_one): New.
14160	(insert_reciprocals): Use it.
14161
141622006-04-17  Geoffrey Keating  <geoffk@apple.com>
14163
14164	* dwarf2out.c (free_AT): Delete.
14165	(remove_AT): Update string ref counts.
14166	(remove_child_TAG): Don't call free_die.
14167	(free_die): Delete.
14168	(break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
14169	or DW_TAG_GNU_EINCL.
14170	(prune_unused_types_walk_attribs): Reset string refcounts.
14171	(prune_unused_types_update_strings): New.
14172	(prune_unused_types_prune): Don't make unnecessary stores.  Don't
14173	call free_die.  Do call prune_unused_types_update_strings.
14174	(prune_unused_types): Empty debug_str_hash.
14175
141762006-04-17  Roger Sayle  <roger@eyesopen.com>
14177
14178	* expr.c (expand_assignment): Optimize away no-op moves where the
14179	source and destination are equal and have no side-effects.
14180
141812006-04-17  Richard Guenther  <rguenther@suse.de>
14182
14183	PR target/26826
14184	* reload.c (push_reload): Guard calls to get_secondary_mem
14185	for memory subregs.
14186
141872006-04-16  Kazu Hirata  <kazu@codesourcery.com>
14188
14189	* alias.c (reg_base_value, old_reg_base_value): Change the
14190	type to VEC(rtx,gc) *.
14191	(REG_BASE_VALUE, find_base_value, record_set,
14192	init_alias_analysis): Use VEC instead of VARRAY.
14193
14194	* alias.c (alias_sets): Change the type to
14195	VEC(alias_set_entry,gc) *.
14196	(get_alias_set_entry, new_alias_set, record_alias_subset): Use
14197	VEC instead of VARRAY.
14198	(last_alias_set): Remove.
14199
14200	* cgraph.h (cgraph_edge_p): New.
14201	Update the prototype of cgraph_function_versioning.
14202	* cgraphunit.c (cgraph_copy_node_for_versioning,
14203	cgraph_function_versioning): Use VEC instead of VARRAY.
14204	* ipa-cp.c (ipcp_insert_stage): Likewise.
14205
142062006-04-16  Roger Sayle  <roger@eyesopen.com>
14207
14208	PR target/26961
14209	* fold-const.c (fold_ternary): When converting "A ? B : C" into either
14210	"A op B" or "A op C", we may need to convert A to the type of B and C.
14211
142122006-04-16  Adam Nemet  <anemet@caviumnetworks.com>
14213
14214	* target.h (struct gcc_target): Add mode_rep_extended.
14215	* rtlanal.c (num_sign_bit_copies_in_rep): New global.
14216	(init_num_sign_bit_copies_in_rep): Initialize it using
14217	mode_rep_extended.
14218	(truncate_to_mode): Use it.
14219	(init_rtlanal): Call init_num_sign_bit_copies_in_rep.
14220	* targhooks.h (default_mode_rep_extended): Declare it.
14221	* targhooks.c (default_mode_rep_extended): Define it.
14222	* target-def.h (TARGET_MODE_REP_EXTENDED): New macro.  Default to
14223	default_mode_rep_extended.
14224	(TARGET_INITIALIZER): Include it.
14225	* doc/tm.texi (Misc): Document it.
14226	* config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
14227	(mips_truncated_to_mode): New function.
14228
142292006-04-16  Roger Sayle  <roger@eyesopen.com>
14230
14231	PR middle-end/25474
14232	* expr.c (compress_float_constant): Copy the narrow constant into
14233	a new pseudo before extending it to its final width.
14234
142352006-04-16  Roger Sayle  <roger@eyesopen.com>
14236	    Andrew Pinski  <pinskia@gcc.gnu.org>
14237	    Dale Johannesen  <dalej@apple.com>
14238
14239	PR target/24076
14240	* config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
14241	special case code to implement V8HImode and V16QImode with SSE2.
14242
142432006-04-15  Roger Sayle  <roger@eyesopen.com>
14244
14245	* config/i386/i386.c (ix86_va_start): Ensure all integer constant
14246	trees are constructed with a suitable tree type.
14247
142482006-04-15  Roger Sayle  <roger@eyesopen.com>
14249
14250	* tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
14251	(integer_onep): Likewise.
14252	(integer_all_onesp): Likewise.
14253	(integer_pow2p): Likewise.
14254	(integer_nonzerop): Likewise.
14255	(real_zerop): Likewise.
14256	(real_onep): Likewise.
14257	(real_twop): Likewise.
14258	(real_minus_onep): Likewise.
14259	(int_size_in_bytes): Likewise.
14260	(host_integerp): Likewise.
14261
142622006-04-15  Kazu Hirata  <kazu@codesourcery.com>
14263
14264	* cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
14265	jump.c, mips-tfile.c, omp-low.c, sched-int.h,
14266	tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
14267
14268	* tree-ssa-structalias.h (alias_info): Remove num_references.
14269
142702006-04-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14271
14272	* pa.md (output_bb patterns): Shorten long branch alternatives by 4.
14273	(output_bvb patterns): Likewise.
14274	* pa.c (output_bb): Use 'bb' insn for long branch case.
14275	(output_bvb): Likewise use '{bvb|bb}' for long branch case.
14276	(output_dbra): Use '{comb|cmpb}' for long branch case for alternative
14277	1.  Correct length operand for alternatives 1 and 2.
14278	(output_movb): Use '{comb|cmpb}' for long branch case for alternatives
14279	1, 2 and 3.  Correct length operand for alternatives 1, 2 and 3.
14280
142812006-04-14  Roger Sayle  <roger@eyesopen.com>
14282
14283	* tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
14284	is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
14285	were accidentally reverted by r112959.
14286
142872006-04-15  Jakub Jelinek  <jakub@redhat.com>
14288
14289	PR middle-end/26823
14290	* except.h (eh_region_outermost): New prototype.
14291	* except.c (eh_region_outermost): New function.
14292	* tree-cfg.c (find_outermost_region_in_block): Use it.
14293
142942006-04-14  Kazu Hirata  <kazu@codesourcery.com>
14295
14296	* local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14297	of VARRAY.
14298	* reload1.c (reg_equiv_memory_loc_varray): Rename to
14299	reg_equiv_memory_loc_vec.  Change the type to VEC(rtx,gc) *.
14300	(init_reload, reload): Use VEC instead of VARRAY.
14301	* reload.h: Update the prototype for
14302	reg_equiv_memory_loc_varray.
14303
143042006-04-14  Alexey Starovoytov  <alexey.starovoytov@sun.com>
14305	    Eric Botcazou  <ebotcazou@libertysurf.fr>
14306
14307	* config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14308	register save area.
14309
143102006-04-13  Uros Bizjak  <uros@kss-loka.si>
14311
14312	PR middle-end/27134
14313	* builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14314	to expand fallback builtin function call.
14315
143162006-04-14  Alan Modra  <amodra@bigpond.net.au>
14317
14318	PR middle-end/27095
14319	* builtins.c: (expand_builtin_memset): Stabilize args before expansion
14320	and emit libcall here in case the builtin fails.
14321	(expand_builtin_strcmp): Always emit the libcall here on failure.
14322
143232006-04-14  Kazu Hirata  <kazu@codesourcery.com>
14324
14325	* basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14326	* flow.c (reg_n_info): Change the type to
14327	VEC(reg_info_p,heap) *.
14328	* regclass.c (allocate_reg_info, free_reg_info): Use VEC
14329	instead of VARRAY.
14330	* regs.h (reg_info_p): New.
14331	(REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14332	REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14333	REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14334	instead of VARRAY.
14335
143362006-04-13  Eric Botcazou  <ebotcazou@adacore.com>
14337
14338	* params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14339	defaulting to 100.
14340	* params.h (MAX_SCHED_READY_INSNS): New macro.
14341	* haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14342	past MAX_SCHED_READY_INSNS during the first scheduling pass.
14343	(schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14344	the ready list for 1 cycle during the first scheduling pass.
14345	* doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14346
143472006-04-13  Richard Henderson  <rth@redhat.com>
14348
14349	PR libgomp/26651
14350	* gimple-low.c (lower_omp_directive): Remove dead code.
14351	(lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14352	* gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14353	* omp-low.c (struct omp_region): Move to tree-flow.h.
14354	(root_omp_region): Export.
14355	(omp_regions, lookup_omp_region): Remove.
14356	(determine_parallel_type): Update for struct omp_region changes.
14357	(dump_omp_region): Dump regions with block numbers.
14358	(new_omp_region): Take type and block instead of stmt; malloc
14359	instead of ggc.
14360	(free_omp_region_1, free_omp_regions): New.
14361	(expand_parallel_call): Take entry_stmt as argument; update for
14362	changes to omp_region.
14363	(remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14364	(remove_exit_barriers): New.
14365	(expand_omp_parallel): Update for struct omp_region changes.
14366	(expand_omp_synch): Likewise.
14367	(expand_omp): Likewise.
14368	(expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14369	(expand_omp_for_static_chunk): Likewise.
14370	(expand_omp_for): Likewise.
14371	(expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14372	(expand_omp_sections): Similarly, with GOMP_sections_end.
14373	(expand_omp_single): New.
14374	(build_omp_regions_1): Update for OMP_CONTINUE.
14375	(execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14376	(lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14377	OMP_SECTIONS_SECTIONS.
14378	(lower_omp_single_simple): Don't emit barrier here.
14379	(lower_omp_single_copy): Likewise.
14380	(lower_omp_single): Fix bindings, and lower to straightline now.
14381	(lower_omp_master, lower_omp_ordered): Likewise.
14382	(lower_omp_critical): Likewise.
14383	(lower_omp_for): Likewise.  Emit OMP_CONTINUE.
14384	* tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14385	omp edges, free it afterward.
14386	(make_omp_sections_edges): Remove.
14387	(is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14388	(move_stmt_r): Handle OMP_CONTINUE.
14389	* tree-flow.h (struct omp_region): Move from omp-low.c.  Switch
14390	statement pointers to basic blocks.  Add type member.
14391	(root_omp_region, new_omp_region, free_omp_regions): Declare.
14392	* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14393	* tree-inline.c (estimate_num_insns_1): Likewise.
14394	* tree-pretty-print.c (dump_generic_node): Likewise.
14395	* tree-ssa-operands.c (get_expr_operands): Likewise.
14396	* tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14397	(OMP_RETURN): Rename from OMP_RETURN_EXPR.
14398	(OMP_CONTINUE): New.
14399	* tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14400	(OMP_SECTIONS_SECTIONS): Remove.
14401	(OMP_SECTION_LAST): New.
14402	(OMP_RETURN_NOWAIT): New.
14403
144042006-04-13  Roger Sayle  <roger@eyesopen.com>
14405
14406	* fold-const.c (native_encode_vector, native_interpret_real):
14407	Correct obvious mistakes in the previous check-in.
14408
144092006-04-13  Roger Sayle  <roger@eyesopen.com>
14410
14411	* fold-const.c (native_encode_expr): New function to encode
14412	the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14413	or VECTOR_CST into a specified buffer.
14414	(native_encode_int): New function.
14415	(native_encode_real): New function.
14416	(native_encode_complex): New function.
14417	(native_encode_vector): New function.
14418	(native_interpret_expr): Inverse of native_encode_expr to convert
14419	a target representation into an INTEGER_CST, REAL_CST etc...
14420	(native_interpret_int): New function.
14421	(native_interpret_real): New function.
14422	(native_interpret_complex): New function.
14423	(native_interpret_vector): New function.
14424	(fold_view_convert_expr): New function to constant fold/evaluate
14425	a VIEW_CONVERT_EXPR of a suitable constant expression.
14426	(fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14427	Change call of build1 to fold_build1 when constructing a
14428	VIEW_CONVERT_EXPR.
14429
144302006-04-13  Paolo Bonzini  <bonzini@gnu.org>
14431	    Ulrich Weigand  <uweigand@de.ibm.com>
14432
14433	PR target/27006
14434	* config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14435	to be even.
14436
144372006-04-13  Alan Modra  <amodra@bigpond.net.au>
14438
14439	PR target/26459
14440	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14441	optimize to lo_sum for DFmode if !TARGET_FPRS.
14442
144432006-04-12  Kazu Hirata  <kazu@codesourcery.com>
14444
14445	* tree-ssa-alias.c (set_initial_properties, init_alias_info,
14446	delete_alias_info, compute_flow_sensitive_aliasing,
14447	group_aliases): Use VEC instead of VARRAY.
14448	* tree-ssa-structalias.c (update_alias_info): Likewise.
14449	* tree-ssa-structalias.h (alias_info): Change the type of
14450	processed_ptrs to VEC(tree,heap) *.
14451
144522006-04-12  J"orn Rennecke <joern.rennecke@st.com>
14453
14454	PR target/27060
14455	* config/sh/lib1funcs.h: New file, broken out of:
14456	* config/sh/lib1funcs.asm.
14457	* config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14458	New macros.
14459	* config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14460	* config/sh/lib1funcs-Os-4-200.asm: New file.
14461	* config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14462	* config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14463	(EXTRA_MULTILIB_PARTS): Include it.
14464	($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14465	($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14466	* config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14467	* config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14468	TARGET_SH2.
14469
144702006-04-12  Kazu Hirata  <kazu@codesourcery.com>
14471
14472	* Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14473	* tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14474	tpa_compact, root_var_init, type_var_init): Use VEC instead of
14475	VARRAY.
14476	* tree-ssa-live.h: Include vecprim.h.
14477	(tree_partition_associator_d): Change the type of
14478	first_partition to VEC(int,heap) *.
14479	(tpa_first_partition): Use VEC instead of VARRAY.
14480
14481	* Makefile.in (GTFILES): Move functions.h after tree.h.
14482	* function.c (reset_block_changes, record_block_change,
14483	check_block_change, free_block_changes): Use VEC instead of
14484	VARRAY.
14485	* function.h (function): Change the type of
14486	ib_boundaries_block to VEC(tree,gc) *.
14487	* tree-inline.c (copy_cfg_body): Initialize
14488	ib_boundaries_block to NULL instead of (varray_type) 0.
14489
144902006-04-12  Roger Sayle  <roger@eyesopen.com>
14491
14492	* expr.c (emit_group_store): Correct operand order in call to
14493	subreg_lowpart_offset.  Always create paradoxical SUBREGs with
14494	a SUBREG_BYTE of zero.
14495
144962006-04-12  Richard Guenther  <rguenther@suse.de>
14497
14498	* profile.c (compute_branch_probabilities): Remove code
14499	encapsulated in !ir_type (), which are remanents of the
14500	removed RTL profiling code.
14501	* rtl-profile.c: Remove.
14502
145032006-04-12  Alan Modra  <amodra@bigpond.net.au>
14504
14505	* config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14506	magic NULL_RTX comment.
14507	(function_arg): Store entire fp arg to mem if any part should go
14508	on stack.
14509	(rs6000_arg_partial_bytes): Adjust for above change.
14510
145112006-04-11  Roger Sayle  <roger@eyesopen.com>
14512
14513	* dwarf2out.c (output_call_frame_info): Create debug_frame_section
14514	if it hasn't been initialized by dwarf2out_init.
14515
145162006-04-11  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
14517
14518	* pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14519	symbolic constants in branch patterns.
14520
145212006-04-11  Roger Sayle  <roger@eyesopen.com>
14522
14523	* caller-save.c: #include "addresses.h" after #include "tm_p.h".
14524
145252006-04-11  Richard Sandiford  <richard@codesourcery.com>
14526
14527	PR rtl-optimization/27073
14528	* gcse.c (try_replace_reg): Revert last change.  Continue to search
14529	for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14530	on the former.
14531
145322006-04-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
14533
14534	* config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14535	aggregate types other than record and union types.
14536	(function_arg): Likewise.
14537	(function_arg_pass_by_reference): In 64-bit mode, return 0 for
14538	small arrays.
14539	(function_value): In 64-bit mode, return objects that require it
14540	in FP registers.
14541
145422006-04-11  Roger Sayle  <roger@eyesopen.com>
14543
14544	* dwarf2out.c (premark_used_types): Remove problematic prototype.
14545
145462006-04-11  Jakub Jelinek  <jakub@redhat.com>
14547
14548	* gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14549
145502006-04-03  Jeff Law  <law@redhat.com>
14551
14552	PR/27087
14553	* tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14554	alias information too.
14555
145562006-04-10  Mike Frysinger  <vapier@gentoo.org>
14557
14558	* Makefile.in (gcc-cross): Add $(exeext) to target name.
14559
145602006-04-10  Aldy Hernandez  <aldyh@redhat.com>
14561
14562	PR/21391
14563	* dwarf2out.c (struct die_struct): Add die_perennial_p field.
14564	(premark_used_types_helper): New.
14565	(premark_used_types): New.
14566	(gen_subprogram_die): Call premark_used_types.
14567	(prune_unused_types_walk): Do not prune perennial dies.
14568	* function.c (used_types_insert): New.
14569	* function.h (struct function): Add used_types_hash field.
14570	(used_types_insert): Add prototype.
14571	* Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14572	* c-parser.c (c_parser_cast_expression): Save casted types in used
14573	types hash table.
14574
145752006-04-11  Mark Mitchell  <mark@codesourcery.com>
14576
14577	PR target/26459
14578	* config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14579	rs6000_explicit_options.float_gprs.
14580
145812006-04-10  Roger Sayle  <roger@eyesopen.com>
14582
14583	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14584	from ix86_expand_vector_init_low_nonzero.  Take an additional
14585	one_var argument indicating which element is non-zero.  Support
14586	one_var != 0 for V4SFmode and V4SImode by permuting the result.
14587	(ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14588	with one_var instead of ix86_expand_vector_init_low_nonzero.
14589
145902006-04-10  Kazu Hirata  <kazu@codesourcery.com>
14591
14592	* Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14593	tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14594	global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14595	build/genextract.o): Depend on vecprim.h.
14596	* cfglayout.c, df-problems.c, function.c, genextract.c,
14597	global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14598	tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14599	vecprim.h.
14600	* vecprim.h: New.
14601
146022006-04-10  Geoffrey Keating  <geoffk@apple.com>
14603
14604	* dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14605	Declare VECs of this type.
14606	(struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14607	(remove_children): Delete.
14608	(add_dwarf_attr): Use VEC routines.
14609	(add_AT_flag): Update for changes to add_dwarf_attr.
14610	(add_AT_int): Likewise.
14611	(add_AT_unsigned): Likewise.
14612	(add_AT_long_long): Likewise.
14613	(add_AT_vec): Likewise.
14614	(add_AT_string): Likewise.
14615	(add_AT_die_ref): Likewise.
14616	(add_AT_fde_ref): Likewise.
14617	(add_AT_loc): Likewise.
14618	(add_AT_loc_list): Likewise.
14619	(add_AT_addr): Likewise.
14620	(add_AT_lbl_id): Likewise.
14621	(add_AT_lineptr): Likewise.
14622	(add_AT_macptr): Likewise.
14623	(add_AT_offset): Likewise.
14624	(add_AT_range_list): Likewise.
14625	(get_AT): Use VEC_iterate.
14626	(remove_AT): Use VEC_ordered_remove.
14627	(free_die): Fold remove_children into here; have it use VEC_iterate.
14628	(print_die): Use VEC_iterate on attrs.
14629	(reverse_die_lists): Don't reverse attr lists.
14630	(die_checksum): Use VEC_iterate on attrs.
14631	(same_die_p): Likewise.
14632	(output_location_lists): Likewise.
14633	(build_abbrev_table): Likewise.
14634	(size_of_die): Likewise.
14635	(unmark_all_dies): Likewise.
14636	(output_abbrev_section): Likewise.
14637	(output_die): Likewise.
14638	(prune_unused_types_walk_attribs): Likewise.
14639
146402006-04-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
14641
14642	* doc/install.texi (*-*-solaris2*): Point to the configure page.
14643
146442006-04-10  Jakub Jelinek  <jakub@redhat.com>
14645
14646	PR debug/27057
14647	* dwarf2out.c (is_symbol_die): Return true also for namespaces.
14648
146492006-04-09  Roger Sayle  <roger@eyesopen.com>
14650
14651	* expr.c (store_constructor): Don't bother clearing target if
14652	we're about to assign a vector to it using vec_init_optab.
14653
146542006-04-10 Daniel Berlin  <dberlin@dberlin.org>
14655
14656	* tree-ssa-alias.c (lhs_may_store_to): New function.
14657	(recalculate_used_alone): Handle LHS of calls.
14658
146592006-04-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14660
14661	PR target/27034
14662	PR target/26508
14663	* config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14664	* pa64-hpux.h (LIB_SPEC): Correct typo.  Don't append milli.a.
14665	(LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
14666	(PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14667	(PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14668	(PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14669	section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14670	stubs.  Add ".align 8" directives before all ".dword" directives.
14671	(GTHREAD_USE_WEAK): Revise comment.
14672	(TARGET_ATTRIBUTE_WEAK): Define.
14673	* pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14674	dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14675	* stublib.c: New file.
14676
14677	PR target/26743
14678	PR target/11254
14679	PR target/10274
14680	* pa.md (cbranch patterns): Revise arguments used in calls to
14681	output_cbranch, output_bb and output_bvd.  Add long branch length
14682	attributes.
14683	(fbranch patterns): Handle long branches.
14684	(jump): Revise length check.  Revise arguments for output_lbranch call.
14685	Add long branch length attributes.
14686	(decrement_and_branch_until_zero): Add long branch length attributes.
14687	(output_movb, output_parallel_addb and output_parallel_movb patterns):
14688	Likewise.  Revise arguments for output_parallel_addb and
14689	output_parallel_movb calls.
14690	* pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14691	output_parallel_movb and output_parallel_addb): Update prototypes.
14692	* pa.c (output_cbranch): Revise arguments.  Correct handling of
14693	nullification in long branches.
14694	(output_lbranch): Add new argument to control extraction of delay
14695	instruction.
14696	(output_bb): Handle long branches.
14697	(output_bvb, output_dbra, output_movb, output_parallel_movb,
14698	output_parallel_addb): Likewise.
14699
147002006-04-09  Richard Sandiford  <richard@codesourcery.com>
14701
14702	PR rtl-optimization/27073
14703	* gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14704	not REG_EQUIVs.
14705
147062006-04-08  Daniel Berlin  <dberlin@dberlin.org>
14707
14708	* tree.h (tree_memory_tag): Add old_used_alone.
14709	(SMT_OLD_USED_ALONE): New macro.
14710	* tree-ssa-alias.c (recalculate_used_alone): Stop
14711	marking things for renaming unnecessarily.
14712
147132006-04-08  Kazu Hirata  <kazu@codesourcery.com>
14714
14715	* builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14716	config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14717	config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14718	haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14719	sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14720	tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14721	tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
14722	spelling convensions.
14723	* config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14724	doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14725	typos.  Follow spelling conventions.
14726
147272006-04-07  DJ Delorie  <dj@redhat.com>
14728
14729	* config/m32c/m32c.c (m32c_function_arg): Structures are always
14730	passed on the stack.
14731	(m32c_init_cumulative_args): When a function returns a structure,
14732	always pass the pointer to that return area on the stack.
14733	(m32c_function_arg_advance): Don't increment the parameter number
14734	if we're processing the returned structure pointer.
14735	(pushm_info): Reverse order of registers.
14736
147372006-04-07  Sebastian Pop  <pop@cri.ensmp.fr>
14738
14739	* tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14740	assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14741	number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14742	estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14743	build_int_cst_type.
14744	* tree-chrec.c (chrec_fold_multiply_poly_poly,
14745	chrec_fold_multiply): Same.
14746	* tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14747	force_expr_to_var_cost): Same.
14748	* tree-mudflap.c (mf_xform_derefs_1): Same.
14749	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14750
147512006-04-07  David Edelsohn  <edelsohn@gnu.org>
14752
14753	* config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14754	treat CONST_DOUBLE as INTVAL.  and64_2_operands require an extra
14755	insn.
14756
147572006-04-07  Jan Hubicka  <jh@suse.cz>
14758
14759	* ipa-inline.c (cgraph_early_inlining): Collect garbage.
14760
147612006-04-07  Richard Guenther  <rguenther@suse.de>
14762
14763	PR tree-optimization/26135
14764	* tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14765	loads for store copy-prop.
14766	(copy_prop_visit_stmt): Likewise.
14767
147682006-04-05  Robert Millan  <robertmh@gnu.org>
14769
14770	* config/i386/linux.h: Add a comment to mark macros that are
14771	being overriden in config/k*bsd-gnu.h.
14772	* config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14773	DYNAMIC_LINKER.
14774	* config/knetbsd-gnu.h: Ditto.
14775
147762006-04-06  Jan Hubicka  <jh@suse.cz>
14777
14778	PR profile/20815
14779	PR profile/26399
14780	* coverage.c (coverage_checksum_string): Reorganize loop to not read
14781	after buffer.
14782
147832006-04-06  Mike Stump  <mrs@apple.com>
14784
14785	* builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14786	for HAVE_nonlocal_goto to be consistent.
14787	(expand_builtin_nonlocal_goto): Likewise.
14788	(expand_builtin_strcmp): Use #ifdef instead of #if
14789	for HAVE_cmpstrnsi to be consistent.
14790
147912006-04-05  DJ Delorie  <dj@redhat.com>
14792
14793	* config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14794	vs m32c.
14795
147962006-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
14797
14798	* config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14799	got-relative addressing for anything but SImode.
14800
14801	* config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14802	even if the calling function doesn't modify them.
14803
148042006-04-05  Richard Guenther  <rguenther@suse.de>
14805
14806	PR tree-optimization/26919
14807	* ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14808	to cgraph_estimate_size_after_inlining.
14809
148102006-04-05  Alan Modra  <amodra@bigpond.net.au>
14811
14812	* reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14813
148142006-04-05  Sebastian Pop  <pop@cri.ensmp.fr>
14815
14816	PR tree-optimization/26996
14817	* tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14818	VECTOR_TYPE variables.
14819
148202006-04-05  Richard Guenther  <rguenther@suse.de>
14821
14822	PR tree-optimization/26763
14823	* fold-const.c (fold_comparison): Move folding of
14824	PTR + CST CMP PTR + CST ...
14825	(fold_binary): ... here.  Fold only for EQ_EXPR and NE_EXPR.
14826
148272006-04-05  Gerald Pfeifer  <gerald@pfeifer.com>
14828
14829	* doc/install.texi (Prerequisites): Refine some wording on
14830	bootstrapping and ksh.
14831	Move the version numbers of DejaGnu here from the testing section
14832	and fix casing of names.
14833	Fix markup and clarify wording for autogen requirements.
14834	Refer to GCJ instead of just java.
14835	Refer to SVN instead of CVS.
14836	Describe diffutils as useful instead of necessary.
14837	(Downloading the source): Refer to SVN instead of CVS.
14838	Adjust a link to our web site accordingly.
14839	(Configuration): Fix casing of Bison.
14840	(Building): Refer to SVN instead of CVS.
14841	Fix a sentence on the use of Bison and remove duplicate (and
14842	incorrect) version number of Bison requirement.
14843	Remove one redundant list of packages needed for building.
14844	(Specific): Avoid reference to CVS.
14845
148462006-04-04  Eric Christopher  <echristo@apple.com>
14847
14848	* config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14849	(TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14850	(rs6000_handle_struct_attribute): New.
14851	(rs6000_ms_bitfield_layout_p): Ditto.
14852
148532006-04-04  Geoffrey Keating  <geoffk@apple.com>
14854
14855	* config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14856	NULL for dso parameter to atexit_common.
14857
148582006-04-04  Eric Christopher  <echristo@apple.com>
14859
14860	* config/i386/i386.c (machopic_output_stub): Output \t
14861	between instructions and operands.
14862
148632006-04-04  David Edelsohn  <edelsohn@gnu.org>
14864
14865	* config/rs6000/rs6000.c (num_insns_constant_wide): Change
14866	satisfies_constraint_[IL] to explicit tests on value.
14867
148682006-04-04  Sebastian Pop  <pop@cri.ensmp.fr>
14869
14870	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14871	set_nb_iterations_in_loop): Use build_int_cst instead of
14872	build_int_cst_type.
14873	* tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14874	build_int_cst instead of convert.
14875
148762006-04-04  Carlos O'Donell  <carlos@codesourcery.com>
14877
14878	* doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14879	new value 2 for incoming.
14880	* function.c (expand_function_start): Call struct_value_rtx
14881	with incoming as 2.
14882	* config/sparc/sparc.md: Comment updated_return.
14883	* config/sparc/sparc.opt: Add -mstd-struct-return option.
14884	* config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14885	struct return if sparc_std_struct_return and incoming is 2.
14886	(print_operand): Do not adjust return if
14887	sparc_std_struct_return.
14888
148892006-04-04  Roger Sayle  <roger@eyesopen.com>
14890
14891	* builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14892	convert in the middle-end.
14893	* expr.c (store_expr, store_constructor, get_inner_reference,
14894	expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14895	Likewise.
14896	* tree.c (build_range_type): Likewise.
14897
148982006-04-04  Tom Tromey  <tromey@redhat.com>
14899
14900	* doc/install.texi (Prerequisites): Mention jar.
14901
149022006-04-04  Daniel Berlin  <dberlin@dberlin.org>
14903
14904	* doc/tree-ssa.texi (Preserving the virtual ssa form): New
14905	subsection.
14906
149072006-04-04  Matthias Klose  <doko@debian.org>
14908
14909	* Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14910
14911	PR bootstrap/26764
14912	PR bootstrap/27334
14913	* Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14914	strings.
14915
149162006-04-03  Geoffrey Keating  <geoffk@apple.com>
14917
14918	* doc/extend.texi (Function Attributes): Rewrite visibility
14919	attribute documentation.
14920	* doc/invoke.texi (C++ Dialect Options): Rewrite
14921	-fvisibility-inlines-hidden documentation to describe something
14922	entirely different, although in practise compatible.
14923	(Code Gen Options): Warn about system headers in -fvisibility=
14924	documentation.
14925
14926	* doc/extend.texi (Other Builtins): Document that
14927	__builtin_nan is a compile-time constant only when its argument
14928	is valid.
14929
149302006-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14931
14932	* simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14933	trying to remove TRUNCATE check if all bits outside the new mode
14934	are identical to the sign bit.
14935
149362006-04-03  Jeff Law  <law@redhat.com>
14937
14938	* tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14939	and operand scanning in some common cases.
14940
149412006-04-03  Paolo Bonzini  <bonzini@gnu.org>
14942	    Dale Johannesen  <dalej@apple.com>
14943
14944	PR target/19653
14945	* regclass.c (struct reg_pref): Update documentation.
14946	(regclass): Set prefclass to NO_REGS if memory is the best option.
14947	(record_reg_classes): Cope with a prefclass set to NO_REGS.
14948	* reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14949	into account.  For non-registers, equate an empty preferred
14950	reload class to a `!' in the constraint; move the if clause to
14951	do so after those that reject the insn.
14952	(push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14953	return NO_REGS.
14954	(find_dummy_reload): Likewise.
14955	* doc/tm.texi (Register Classes): Document what it means
14956	if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14957	* config/i386/i386.c (ix86_preferred_reload_class): Force
14958	using SSE registers (and return NO_REGS for floating-point
14959	constants) if math is done with SSE.
14960	(ix86_preferred_output_reload_class): New.
14961	* config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14962	* config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14963	* config/i386/i386.md: Remove # register preferences.
14964
149652006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14966
14967	PR bootstrap/26992
14968	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14969	chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14970	the type of nb_iter.
14971	(instantiate_parameters_1): Convert the operands before calling
14972	chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14973	* tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14974
149752006-04-02  Roger Sayle  <roger@eyesopen.com>
14976
14977	* builtins.c (dummy_object): Use build_int_cst instead of convert.
14978	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14979	instead of convert.
14980	* dojump.c (do_jump): Likewise.
14981	* expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14982	* gimplify.c (gimple_boolify, gimplify_init_constructor,
14983	gimplify_boolean_expr): Likewise.
14984	* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14985	* varasm.c (array_size_for_constructor): Likewise.
14986	* tree-object-size.c (compute_object_offset): Likewise.
14987
149882006-04-02  Roger Sayle  <roger@eyesopen.com>
14989
14990	PR middle-end/26977
14991	* expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14992	NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14993
149942006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14995
14996	PR tree-optimization/26939
14997	* tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14998
149992006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
15000
15001	* tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
15002	at_stmt.  Convert the type of operands before calling
15003	build_polynomial_chrec.
15004	(add_to_evolution): Pass an extra argument at_stmt.  Adjust the call to
15005	add_to_evolution_1.
15006	(follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
15007	(instantiate_parameters_1): Convert the type of operands before calling
15008	build_polynomial_chrec.
15009	* tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
15010	chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
15011	reset_evolution_in_loop): Insert asserts to check the types of the
15012	operands.
15013	(chrec_type): Moved...
15014	(eq_evolutions_p): Use operand_equal_p.
15015	* tree-chrec.h (build_polynomial_chrec): Insert an assert to check
15016	the types of the operands.
15017	(chrec_type): ...here.
15018	* tree-data-ref.c (create_data_ref): Convert the operands before
15019	calling chrec_replace_initial_condition.
15020	(same_access_functions, analyze_subscript_affine_affine,
15021	analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
15022	(compute_subscript_distance, analyze_ziv_subscript,
15023	analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
15024	analyze_miv_subscript): Convert the operands before calling
15025	chrec_fold_minus or chrec_fold_plus.
15026
150272006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
15028
15029	* tree-data-ref.c (compute_all_dependences): Use a pointer to
15030	the dependence_relations vector.
15031	(compute_data_dependences_for_loop): Adjust call to
15032	compute_all_dependences.
15033
150342006-04-01  Roger Sayle  <roger@eyesopen.com>
15035	    Richard Henderson  <rth@redhat.com>
15036
15037	* gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
15038	gimple_boolify on the condition before calling gimplify_expr.
15039
150402006-03-31  Bob Wilson  <bob.wilson@acm.org>
15041
15042	* config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
15043	to leaf_entry/leaf_return.  Change leaf_entry to add 16 bytes to
15044	the frame size.  Update to use the new macros.
15045	* config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
15046	* config/xtensa/ieee754-df.S: Likewise.
15047
150482006-03-31  Richard Henderson  <rth@redhat.com>
15049
15050	* tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
15051	(make_edges): ... here.  Control fallthru creation with a local
15052	variable.  Do not play with fake edges.
15053	(make_omp_sections_edges): Don't set EDGE_ABNORMAL.
15054	(make_goto_expr_edges): Don't play with fake edges.  Make for_call
15055	a boolean.
15056
150572006-04-01  Joseph S. Myers  <joseph@codesourcery.com>
15058
15059	* dwarf2.h (DW64_CIE_ID): Define.
15060	* dwarf2out.c (DWARF_CIE_ID): Define.
15061	(output_call_frame_info): Output 0xffffffff before standard 8-byte
15062	length header.  Use DWARF_CIE_ID.
15063	(value_format): Use DW_FORM_data4 or DW_FORM_data8 for
15064	dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
15065
150662006-03-31  Kaz Kojima  <kkojima@gcc.gnu.org>
15067
15068	* config/sh/linux-atomic.asm: New file.
15069	* config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
15070
150712006-03-31  DJ Delorie  <dj@redhat.com>
15072
15073	* config/m32c/cond.md: Set condition flags properly throughout.
15074	* config/m32c/minmax.md: Likewise.
15075	* config/m32c/prologue.md: Likewise.
15076	* config/m32c/bitops.md: Likewise.
15077	* config/m32c/muldiv.md: Likewise.
15078	* config/m32c/mov.md: Likewise.
15079	* config/m32c/addsub.md: Likewise.
15080	* config/m32c/m32c.md: Likewise.
15081	* config/m32c/jump.md: Likewise.
15082	* config/m32c/shift.md: Likewise.
15083
15084	* config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
15085	conditionally output the pattern for this.
15086	* config/m32c/m32c.c (flags_needed_for_conditional): New.
15087	(m32c_compare_redundant): New.
15088	(m32c_output_compare): New.
15089	* config/m32c/m32c-protos.h (m32c_output_compare): New.
15090
15091	* config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
15092	dest, not src.  Allow other 4-byte modes.
15093
150942006-03-30  Denis Chertykov  <denisc@overta.ru>
15095
15096	* doc/md.texi: Refer to avr/constraints.md instead of
15097	avr/avr.h.
15098
150992006-03-30  Roger Sayle  <roger@eyesopen.com>
15100
15101	* expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
15102	signed vs. unsigned comparison failures on some hosts.
15103
151042006-03-31  Alan Modra  <amodra@bigpond.net.au>
15105
15106	PR target/26459
15107	* config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
15108	change to FLOAT_REGS.
15109
15110	* config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
15111	(rs6000_override_options): Use it.
15112	(rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
15113	only for -mabi=spe/no-spe and -mabi=altivec.
15114
151152006-03-30  Geoffrey Keating  <geoffk@apple.com>
15116
15117	* config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
15118	!Zdynamiclib.
15119
151202006-03-30  Carlos O'Donell  <carlos@codesourcery.com>
15121
15122	* Makefile.in: Rename docdir to gcc_docdir.
15123
151242006-03-30  Roger Sayle  <roger@eyesopen.com>
15125
15126	PR target/17959
15127	* expr.c (emit_group_store): Optimize group stores into a pseudo
15128	register by using a paradoxical subreg to initialize the destination
15129	if the first or last member of the group specifies a "low part".
15130
151312006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15132
15133	PR target/26734
15134	* rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
15135	* target.h (struct gcc_target.speculate_insn): Change type of the
15136	second parameter to 'int'.
15137	* lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
15138	the second operand of the DEPS_LIST.
15139	(copy_DEPS_LIST_list): Update reference	to the second operand of the
15140	DEPS_LIST.
15141	* rtl.h (alloc_DEPS_LIST): Update signature.
15142	* sched-int.h (ds_t): Change typedef to 'int'.
15143	(DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15144
151452006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15146
15147	* haifa-sched.c (try_ready): Change condition to restore
15148	non-speculative pattern	of the instruction.
15149	(process_insn_depend_be_in_spec): Code to keep probability of the
15150	speculative dependence non-decreasing.
15151
151522006-03-30  Jie Zhang  <jie.zhang@analog.com>
15153
15154	* config/bfin/bfin.c (single_move_for_strmov): Renamed to...
15155	(single_move_for_movmem): ... this. Also change all uses.
15156	(bfin_expand_strmov): Renamed to...
15157	(bfin_expand_movmem): ... this. Also change all uses.
15158	* config/bfin/bfin.md (movstrsi): Renamed to...
15159	(movstrsi): ...this.
15160
151612006-03-30  Paolo Bonzini  <bonzini@gnu.org>
15162
15163	PR tree-optimization/26830
15164
15165	* tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
15166	(copy_prop_visit_stmt): Remove write-only variable ann.
15167	(init_copy_prop): Check variable loop depth here.  Do not simulate
15168	memory-tag and virtual operand PHIs except for store copy prop.
15169
151702006-03-30  Richard Guenther  <rguenther@suse.de>
15171
15172	* config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
15173	variants with double arguments.
15174
151752006-03-29  David Edelsohn  <edelsohn@gnu.org>
15176
15177	* genpreds.c (write_tm_constrs_h): Delete variable p.
15178	* genconditions.c (write_header): Add tm-constrs.h to included
15179	headers.
15180	* genpeep.c (main): Add toplev.h to included headers.
15181	* Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
15182	(build/genpeep.o): Add toplev.h dependency.
15183	* config/rs6000/constraints.md: Add "W" constraint.
15184
151852006-03-29  Roger Sayle  <roger@eyesopen.com>
15186
15187	* stor-layout.c (mode_for_size_tree): Remove restiction on type
15188	sizes by correctly testing whether the size fits a host integer.
15189	(initialize_sizetypes): Use set_min_and_max_values_for_integral_type
15190	to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
15191	SImode range for the default sizetype and bitsizetype.
15192
151932006-03-29  Roger Sayle  <roger@eyesopen.com>
15194
15195	* convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
15196	and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
15197	quickly if the argument is already of the correct type.
15198	Call fold_build1 instead of build1.  Tidy up blank lines.
15199
152002006-03-29  David Edelsohn  <edelsohn@gnu.org>
15201
15202	* genemit.c (main): Add tm-constrs.h to included headers.
15203	* genoutput.c (output_prologue): Add tm-constrs.h to included headers.
15204	* genpeep.c (main): Add tm-constrs.h to included headers.
15205	* genpreds.c (write_satisfies_constraint_fns): Rename to ...
15206	(write_tm_constrs_h): this and write complete file.
15207	(write_tm_preds_h): Do not emit satisfies_constraint fns.
15208	(write_insn_preds_c): Add tm-constrs.h to included headers.
15209	(gen_constrs): New variable.
15210	(parse_option): Parse "-c".
15211	(main): Invoke write_tm_constrs_h.
15212	* genrecog.c (write_header): Add tm-constrs.h to included headers.
15213	* Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
15214	(object_out_file): Add tm-constrs.h dependency.
15215	(insn-emit.o): Same.
15216	(insn-output.o): Same.
15217	(insn-peep.o): Same.
15218	(insn-preds.o): Same.
15219	(insn-recog.o): Same.
15220	(tm-constsr.h): New target.
15221	(s-constrs-h): New target.
15222
15223	* config/rs6000/constraints.md: New file.
15224	* config/rs6000/rs6000.c: Include tm-constrs.h.
15225	(num_insn_constant_wide): Convert to satisfies_constraint.
15226	(rs6000_rtx_costs): Convert to satisfies_constraint.
15227	* config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
15228	(CONST_OK_FOR_LETTER_P): Delete.
15229	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15230	(EXTRA_CONSTRAINT): Delete.
15231	(EXTRA_MEMORY_CONSTRAINT): Delete.
15232	(EXTRA_ADDRESS_CONSTRAINT): Delete.
15233	* config/rs6000/predicates.md: Convert to satisfies_constraint.
15234	* config/rs6000/rs6000.md: Include constraints.md.  Convert to
15235	satisfies_constraint.
15236
15237	* config/i386/i386.c: Include tm-constrs.h.
15238
152392006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
15240
15241	* tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
15242	* tree-data-ref.c (find_data_references_in_loop,
15243	compute_data_dependences_for_loop): Use pointers to VEC.
15244	(analyze_all_data_dependences): Adjust calls.
15245	* tree-data-ref.h (find_data_references_in_loop,
15246	compute_data_dependences_for_loop): Adjust declarations.
15247	* tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
15248	compute_data_dependences_for_loop.
15249
152502006-03-29  Paul Brook  <paul@codesourcery.com>
15251
15252	* config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
15253	(movdf_vfp): Ditto.
15254
152552006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
15256
15257	PR tree-optimization/26859
15258	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
15259	division by zero.
15260	(convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
15261	for the step after fold_convert.
15262
152632006-03-29  Paul Brook  <paul@codesourcery.com>
15264
15265	* reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
15266	(inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
15267
152682006-03-29  Paul Brook  <paul@codesourcery.com>
15269
15270	PR middle-end/23623
15271	* targhooks.c (default_narrow_bitfield): New fuction.
15272	* targhooks.h (default_narrow_bitfield): add prototype.
15273	* target.h (gcc_target): Add narrow_volatile_bitfield.
15274	* target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15275	* stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
15276	* doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
15277	* config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15278
152792006-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
15280
15281	* config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
15282	tmake_file.
15283	* config/s390/s390.c (S390_scalar_mode_supported_p): New function.
15284	(NR_C_MODES): Add TDmode, DDmode and SDmode.
15285	(s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
15286	(s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
15287	(s390_function_arg_float): Allow SDmode and DDmode values to be
15288	passed in floating point registers.
15289	(s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15290	check with SCALAR_FLOAT_MODE_P.
15291	(TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15292
152932006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
15294
15295	PR tree-optimization/25985
15296	* tree-ssa-loop-niter.c (number_of_iterations_le,
15297	number_of_iterations_ne): Make comments more precise.
15298	(number_of_iterations_cond): Add only_exit argument.  Use the
15299	fact that signed variables do not overflow only when only_exit
15300	is true.
15301	(loop_only_exit_p): New.
15302	(number_of_iterations_exit): Pass result of loop_only_exit_p to
15303	number_of_iterations_cond.
15304
153052006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
15306
15307	PR tree-optimization/26643
15308	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15309	bit_field_refs.
15310
153112006-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
15312
15313	* config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15314	(divsi3_i4_int): Likewise.
15315
153162006-03-28  Roger Sayle  <roger@eyesopen.com>
15317
15318	* expr.c (emit_group_store): Only create a new pseudo reg if the
15319	quantity it needs to hold isn't already a suitable pseudo.
15320
153212006-03-28  Jeff Law  <law@redhat.com>
15322
15323	* timevar.def (TV_TREE_PHI_CPROP): New timevar.
15324	* tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15325
153262006-03-28  Roger Sayle  <roger@eyesopen.com>
15327
15328	* fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
15329	the equivalent ~X & Y, and the symmetry related transformations.
15330	(fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
15331	~X & Y, and symmetry related transforms.
15332
153332006-03-28  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15334
15335	Revert my 2006-03-27 patches.
15336
153372006-03-28  Roger Sayle  <roger@eyesopen.com>
15338
15339	* fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15340	~(T1)X, when T1 and T2 are integer types of the same precision
15341	and (T2)X isn't an extension.
15342
153432006-03-28  Jeff Law  <law@redhat.com>
15344
15345	PR tree-optimization/26796
15346	* tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15347	need EH edge cleanups rather than purging them immediately.
15348	(eliminate_degenerate_phis): Handle queued EH cleanups.
15349
153502006-03-28  Daniel Berlin  <dberlin@dberlin.org>
15351
15352	* tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15353	from parent_var.
15354
153552006-03-27  Roger Sayle  <roger@eyesopen.com>
15356
15357	PR middle-end/22524
15358	* fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
15359	cast BIT_NOT_EXPR operand to the correct type.
15360
153612006-03-27  Sebastian Pop  <pop@cri.ensmp.fr>
15362
15363	* tree-loop-linear.c: Don't include varray.h.
15364	(gather_interchange_stats, try_interchange_loops,
15365	linear_transform_loops): Use VEC instead of VARRAY.
15366	* lambda-mat.c: Don't include varray.h.
15367	* tree-chrec.c: Same.
15368	* lambda-trans.c: Same.
15369	* tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15370	VEC instead of VARRAY.
15371	* tree-vectorizer.h: Idem.
15372	* tree-data-ref.c (dump_data_references,
15373	dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15374	initialize_data_dependence_relation, finalize_ddr_dependent,
15375	compute_all_dependences, find_data_references_in_loop,
15376	compute_data_dependences_for_loop, analyze_all_data_dependences,
15377	free_dependence_relation, free_dependence_relations,
15378	free_data_refs): Idem.
15379	* tree-data-ref.h (data_reference_p, subscript_p): New.
15380	(data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15381	VEC instead of VARRAY.
15382	(DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15383	(find_data_references_in_loop, compute_data_dependences_for_loop,
15384	dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15385	dump_data_dependence_relations, free_dependence_relations,
15386	free_data_refs): Adjust declaration.
15387	(lambda_transform_legal_p): Move declaration here...
15388	* tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15389	vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15390	vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15391	vect_analyze_data_refs): Use VEC instead of VARRAY.
15392	* lambda.h (lambda_transform_legal_p): ...from here.
15393	* lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15394	* tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15395	* Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15396	tree-chrec.o): Don't depend on VARRAY_H.
15397
153982006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15399
15400	* rtl.def (Copyright): Update date.
15401	(DEPS_LIST): Change type of the second operand to 'int'.
15402	* target.h (Copyright): Update date.
15403	(struct gcc_target.speculate_insn): Change type of the second parameter
15404	to 'int'.
15405	* lists.c (Copyright): Update date.
15406	(alloc_DEPS_LIST): Change signature.  Update reference to the second
15407	operand of the DEPS_LIST.
15408	(copy_DEPS_LIST_list): Update reference	to the second operand of the
15409	DEPS_LIST.
15410	* rtl.h (Copyright): Update date.
15411	(alloc_DEPS_LIST): Update signature.
15412	* sched-int.h (Copyright): Update date.
15413	(ds_t): Change typedef to 'int'.
15414	(DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15415
154162006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15417
15418	* haifa-sched.c (Copyright): Update date.
15419	(try_ready): Change condition to restore non-speculative pattern
15420	of the instruction.
15421	(process_insn_depend_be_in_spec): Code to keep probability of the
15422	speculative dependence non-decreasing.
15423
154242006-03-27  Bernd Schmidt  <bernd.schmidt@analog.com>
15425
15426	* regrename.c (replace_oldest_value_addr): Initialize a variable to
15427	shut up the compiler.
15428
154292006-03-27  J"orn Rennecke <joern.rennecke@st.com>
15430
15431	* config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15432	to use lib prefix for target.
15433	($(T)libic_invalidate_array_4-200.a): Likewise.
15434	($(T)libic_invalidate_array_4a.a): Likewise.
15435
154362006-03-27  Andrew Stubbs <andrew.stubbs@st.com>
15437	    J"orn Rennecke <joern.rennecke@st.com>
15438
15439	* superh.opt: New file.
15440	* sh.c (boardtype, osruntime): Remove.
15441	* superh.h (SUBTARGET_OPTIONS): Remove.
15442	* config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15443
15444	* config.gcc (sh*-*-*): Don't use c-c ranges for tr.  Quote sed
15445	arguments with ^ and/or [].
15446
15447	* config.gcc (sh-*-*): Add quoting to account for quirk of
15448	Solaris /bin/sh.
15449	Replace == with = in enable_incomplete_targets test.
15450
15451	* config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15452	with MASK_LITTLE_ENDIAN.
15453
15454	* config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15455	* config/sh/sh.opt: Added to some comments.
15456	* config/sh/superh.h: Removed some chaff.
15457
15458	* config/sh/sh.opt: Add m4-[1234]00* options.
15459	* config/sh/sh.c (sh_handle_option): Likewise.
15460	* config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15461	(ic_invalidate_array_4-100.o): New rule.
15462	($(T)libic_invalidate_array_4-100.a): Likewise.
15463	(ic_invalidate_array_4-200.o): Likewise.
15464	($(T)libic_invalidate_array_4-200.a): Likewise.
15465	(ic_invalidate_array_4a.o): Likewise.
15466	($(T)libic_invalidate_array_4a.a): Likewise.
15467	* config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15468	* config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15469	m4-200*, and m4a*.
15470	* config/sh/crt1.asm: Merged in profiling code.
15471	* config/sh/superh.h (STARTFILE_SPEC): Override.
15472	* config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15473	Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15474	* config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15475
15476	* t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15477	* config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15478	MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15479
15480	* sh.opt (mpretend-cmove): New option.
15481	* sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15482	* sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15483	(movsicc): Add TARGET_PRETEND_CMOVE code.
15484
154852006-03-27  Andreas Krebbel  <krebbel1@de.ibm.com>
15486
15487	* config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15488	s390_class_max_nregs): New function prototypes.
15489	* config/s390/s390.c (REGNO_PAIR_OK): New macro.
15490	(s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15491	* config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15492	CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15493
154942006-03-26  Geoffrey Keating  <geoffk@apple.com>
15495
15496	* dwarf2out.c (add_location_or_const_value_attribute): Call
15497	tree_add_const_value_attribute if nothing else works.
15498	(reference_to_unused): New.
15499	(rtl_for_decl_init): Use reference_to_unused to decide whether
15500	to output an initializer.
15501
155022006-03-27  Alan Modra  <amodra@bigpond.net.au>
15503
15504	PR target/26459
15505	* config/rs6000/rs6000.md (DF reg move peephole): Prevent
15506	peephole removing spe frob_di_df_2.
15507
155082006-03-26  Sebastian Pop  <pop@cri.ensmp.fr>
15509
15510	* tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15511	(subscript_dependence_tester_1): Declared.
15512	(print_dir_vectors, print_dist_vectors): New.
15513	(debug_data_dependence_relation): New.
15514	(dump_data_dependence_relation): Print more details.
15515	(initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15516	(analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15517	(save_dist_v, save_dir_v, add_outer_distances,
15518	build_classic_dist_vector_1): New.
15519	(build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15520	Don't test for lambda_vector_lexico_pos.
15521	(same_access_functions, add_multivariate_self_dist,
15522	add_other_self_distances, dir_from_dist): New.
15523	(build_classic_dir_vector): Replace implementation almost identical to
15524	build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15525	dir_from_dist.
15526	(subscript_dependence_tester_1): New.
15527	(subscript_dependence_tester): Handle the lexicographically negative
15528	distance vectors by recomputing the dependence relation.
15529	(compute_affine_dependence): Remove parameter loop_nest_depth.
15530	(compute_self_dependence): Don't call compute_subscript_distance.
15531	(compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15532	Add a parameter for the loop_nest.
15533	(find_loop_nest_1, find_loop_nest): New.
15534	(compute_data_dependences_for_loop): Compute the loop nest, and give
15535	up if the nest is not well formed.
15536	* tree-data-ref.h (loop_p): New.
15537	(struct data_dependence_relation): Replace size_vect field with
15538	loop_nest, a vec of loops.
15539	(DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15540	(DDR_LOOP_NEST): New.
15541	(print_dir_vectors, print_dist_vectors,
15542	debug_data_dependence_relation): Declared.
15543	(index_in_loop_nest): New.
15544	* tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15545	DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15546	distance.
15547
155482006-03-25  Adam Nemet  <anemet@caviumnetworks.com>
15549
15550	* simplify-rtx.c (simplify_relational_operation): Call
15551	simplify_relational_operation_1 even if mode is VOIDmode.
15552
155532006-03-25  Daniel Berlin  <dberlin@dberlin.org>
15554
15555	PR tree-optimization/26804
15556	* tree.h (DECL_CALL_CLOBBERED): New macro.
15557	(tree_decl_common): Add call_clobbered_flag.
15558	* tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15559	(mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15560	(clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15561	(mark_non_addressable): Ditto.
15562	* tree-ssa.c (verify_call_clobbered): New function.
15563	(verify_alias_info): Use it.
15564	* tree-pass.h (pass_reset_cc_flags): New prototype.
15565	* tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15566	(reset_cc_flags): New function.
15567	* passes.c (init_optimization_passes): Call reset_cc_flags after
15568	initializing referenced_vars.
15569
155702006-03-25  Uros Bizjak  <uros@kss-loka.si>
15571	    Roger Sayle  <roger@eyesopen.com>
15572
15573	PR middle-end/26717
15574	* fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15575	to 1.0 for non-real operands. Implement A / A optimization for
15576	complex operands.
15577
155782006-03-25  H.J. Lu  <hongjiu.lu@intel.com>
15579
15580	* config/i386/i386.c (size_cost): Correct the comment for
15581	cost of storing fp registers.
15582	(i386_cost): Likewise.
15583	(i486_cost): Likewise.
15584	(pentium_cost): Likewise.
15585	(pentiumpro_cost): Likewise.
15586	(k6_cost): Likewise.
15587	(athlon_cost): Likewise.
15588	(k8_cost): Likewise.
15589	(pentium4_cost): Likewise.
15590	(nocona_cost): Likewise.
15591	(generic64_cost): Likewise.
15592	(generic32_cost): Likewise.
15593
155942006-03-24  Denis Chertykov  <denisc@overta.ru>
15595
15596	* config/avr/avr-protos.h (extra_constraint): Delete.
15597	(extra_constraint_Q): New declaration.
15598	* config/avr/constraints.md: New file.
15599	* config/avr/avr.md: Include it.
15600	(REG_X, REG_Y, REG_Z, REG_W): New constants.
15601	(TMP_REGNO, ZERO_REGNO): Likewise.
15602	(UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15603	* config/avr/avr.c (avr_reg_class_from_letter): Delete.
15604	(extra_constraint): Delete.
15605	(extra_constraint_Q): Test for memory constraint 'Q'.
15606	* config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15607	(REG_CLASS_FROM_LETTER): Delete.
15608	(CONST_OK_FOR_LETTER_P): Delete.
15609	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15610	(EXTRA_CONSTRAINT): Delete.
15611	(TMP_REGNO): Delete.
15612	(ZERO_REGNO): Delete.
15613
156142006-03-24  Jeff Law  <law@redhat.com>
15615
15616	* tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15617	directly.  Call mark_new_vars_to_rename slightly earlier.
15618
156192006-03-24  Geoffrey Keating  <geoffk@apple.com>
15620
15621	* dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15622	(is_cxx): Likewise.
15623	(gen_compile_unit_die): Use new language types for Objective-C and
15624	Objective-C++.
15625	(dwarf2out_decl): Use is_cxx rather than testing explicitly against
15626	DW_LANG_C_plus_plus.
15627
15628	PR 26793
15629	* config/t-darwin (crt3.o): Work around bug 26840.
15630	* config/darwin-crt3.c: Rewrite.
15631	* config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15632
156332006-03-24  Carlos O'Donell  <carlos@codesourcery.com>
15634
15635	* doc/invoke.texi: Document -femit-class-debug-always
15636	* common.opt: Add -femit-class-debug-always.
15637
156382006-03-24  Andreas Krebbel  <krebbel1@de.ibm.com>
15639
15640	* config/s390/s390.c (s390_decompose_address): Allow SImode for
15641	index and base register.
15642	(s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15643	print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15644	with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15645	REGNO_OK_FOR_INDEX_P.
15646	* config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15647	ADDR_REGNO_P.
15648	(REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15649	REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15650	REG_OK_FOR_BASE_P): Definitions removed.
15651
156522006-03-24  Jakub Jelinek  <jakub@redhat.com>
15653
15654	PR middle-end/26611
15655	* gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15656	non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15657	set yet or weren't marked as local yet.
15658
156592006-03-24  Bernd Schmidt  <bernd.schmidt@analog.com>
15660
15661	* regrename.c (scan_rtx_address): Initialize a variable to shut up
15662	the compiler.
15663
156642006-03-24  Eric Botcazou  <ebotcazou@adacore.com>
15665
15666	* config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15667	(rs6000_legitimate_small_data_p): Delete.
15668	* config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15669	(rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15670	and make static.  Add forward declaration.  Update uses.
15671	(rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15672	of offsettable_memref_p.
15673	* config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15674	Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15675
156762006-03-24  Jeff Law  <law@redhat.com>
15677
15678	* tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15679	around bug in immediate-use iterator.
15680
156812006-03-24  Alan Modra  <amodra@bigpond.net.au>
15682
15683	PR target/26607
15684	* config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15685	or __LITTLE_ENDIAN__.
15686
156872006-03-23  J"orn Rennecke <joern.rennecke@st.com>
15688
15689	* config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15690	* config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15691	* config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15692	* config/sh/sh.opt (mdiv=): Amend description.
15693	* config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15694	(TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15695	(sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15696	SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15697	(OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15698	Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15699	* config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15700	(udivsi3, divsi3): Use them.  Check TARGET_DIVIDE_CALL_TABLE /
15701	TARGET_DIVIDE_CALL_FP.
15702
157032006-03-23  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15704
15705	* haifa-sched.c (choose_ready): Fix type of the local variable.
15706	Move local variables.  Add comment.
15707	(check_reg_live): Change signature.  Make callable from debugger.
15708	* sched-int.h (check_reg_live): Update signature.
15709	* sched-ebb.c (check_reg_live): Update parameters.
15710	* sched-rgn.c (check_reg_live): Ditto.
15711	(region_head_or_leaf_p): Check pointer before dereferencing.
15712	* config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15713	before reload on optimization levels below 1.
15714
157152006-03-23  Richard Henderson  <rth@redhat.com>
15716
15717	* config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15718	tls symbols.
15719
15720	PR target/26347
15721	* config/alpha/predicates.md (local_symbolic_operand): Reject
15722	weak symbols.
15723
157242006-03-23  Andrew Pinski  <pinskia@physics.uc.edu>
15725
15726	PR tree-opt/26795
15727	* tree-ssa-pre.c (create_value_expr_from): Don't reject
15728	expressions which have overflowed constants.
15729
157302006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
15731
15732	* cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15733
157342006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
15735
15736	* cfgloopmanip.c (create_loop_notes): Removed.
15737	* final.c (final_scan_insn): Do not handle loop notes.
15738	* jump.c (squeeze_notes): Ditto.
15739	* cfglayout.c (skip_insns_after_block,
15740	duplicate_insn_chain): Ditto.
15741	* cfgcleanup.c (rest_of_handle_jump2): Do not call
15742	create_loop_notes.
15743	* cfgloop.h (create_loop_notes): Declaration removed.
15744
157452006-03-23  Richard Sandiford  <richard@codesourcery.com>
15746
15747	* varasm.c (output_constant_pool): Restore fnname and fndecl
15748	arguments.
15749	(assemble_start_function): Adjust call accordingly.
15750	(assemble_end_function): Likewise.
15751
157522006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15753
15754	PR mudflap/26789
15755	* tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15756
15757	PR mudflap/26790
15758	* tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15759
157602006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15761
15762	PR driver/22600
15763	* system.h (ICE_EXIT_CODE): New macro.
15764	* diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15765	(diagnostic_action_after_output): Likewise.
15766	* gcc.c (fatal_ice): New function.
15767	(execute): Use it instead of fatal.
15768	(fancy_abort): Likewise.
15769	* doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15770
157712006-03-22  Jeff Law  <law@redhat.com>
15772
15773	* loop-unroll.c (analyze_iv_to_split_insn): Handle
15774	iv_analyze_result returning false.
15775
157762006-03-22  Jie Zhang  <jie.zhang@analog.com>
15777
15778	* config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15779
157802006-03-22  Richard Henderson  <rth@redhat.com>
15781
15782	PR middle-end/26084
15783	* except.c (duplicate_eh_regions_0): New.
15784	(duplicate_eh_region_1): Duplicate the children of the node as
15785	well as the node itself.  Link them up properly.
15786	(duplicate_eh_region_2): Merge into ...
15787	(duplicate_eh_regions): ... here.  Take copy_region argument, and
15788	copy only a sub-tree if asked.  Simplify copying and fixup.
15789	(eh_region_outer_p): New.
15790	* except.h (duplicate_eh_regions): Update decl.
15791	(eh_region_outer_p): Declare.
15792	* omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15793	(lower_omp_master): Likewise.
15794	(lower_omp_ordered): Likewise.
15795	* tree-cfg.c (struct move_stmt_d): Add new_label_map.
15796	(move_stmt_r): Use it to remap labels.  Handle recursion vs
15797	remap_decls_p properly.
15798	(move_block_to_fn): Pass in new_label_map.  Remap RESX_EXPR.
15799	(find_outermost_region_in_block): New.
15800	(new_label_mapper): New.
15801	(move_sese_region_to_fn): Copy eh information to the new function
15802	properly.
15803	* tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15804	argument.
15805	* tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15806	number.
15807
158082006-03-22  Richard Sandiford  <richard@codesourcery.com>
15809
15810	* doc/md.texi (-mshared): Mention that -mshared code can be linked
15811	into shared libraries.
15812
158132006-03-22  Richard Sandiford  <richard@codesourcery.com>
15814
15815	* doc/md.texi: Refer to i386/constraints.md instead of
15816	i386/predicates.md.
15817	* config/i386/constraints.md: New file, extracted from...
15818	* config/i386/predicates.md: ...here.
15819	* config/i386/i386.md: Include constraints.md.
15820
158212006-03-21  Jason Merrill  <jason@redhat.com>
15822
15823	* builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15824
15825	PR middle-end/20297
15826	* expr.c (init_block_move_fn): Force default visibility.
15827	(init_block_clear_fn): Likewise.
15828	* builtins.c (expand_builtin_fork_or_exec): Likewise.
15829	* targhooks.c (default_external_stack_protect_fail): Likewise.
15830
158312006-03-21  Richard Sandiford  <richard@codesourcery.com>
15832
15833	* config/mips/predicates.md (const_call_insn_operand): Allow direct
15834	calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15835	* config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15836	Use TARGET_OLDABI instead of !TARGET_NEWABI.
15837	(loadgp): Use mips_current_loadgp_style.
15838	(loadgp_noshared): New pattern.
15839	(sibcall_internal): Use MIPS_CALL.
15840	(sibcall_value_internal): Likewise.
15841	(sibcall_value_multiple_internal): Likewise.
15842	(call_internal): Likewise.
15843	(call_value_internal): Likewise.
15844	(call_value_multiple_internal): Likewise.
15845	(call_split): Use MIPS_CALL and add an 'S' constraint.
15846	(call_value_split): Likewise.
15847	(call_value_multiple_split): Likewise.
15848	* config/mips/mips.opt (-mabicalls): Tweak docstring.
15849	(-mshared): New option.
15850	* config/mips/mips-protos.h (mips_loadgp_style): New enum.
15851	(mips_current_loadgp_style): Declare.
15852	* config/mips/mips.c (mips_classify_symbol): Avoid using
15853	SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS.  Use SYMBOL_GENERAL
15854	rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15855	TARGET_ABSOLUTE_ABICALLS.
15856	(override_options): Adjust comments.  Improve the warning that is
15857	issued when -mabicalls and -G are used together.
15858	(mips_file_start): Remove comment.
15859	(mips_current_loadgp_style): New function.
15860	(mips_gnu_local_gp): New variable.
15861	(mips_emit_loadgp): Use mips_current_loadgp_style.  Handle
15862	LOADGP_ABSOLUTE.
15863	(mips_output_function_prologue): Use mips_current_laodgp_style.
15864	(mips_expand_prologue): Call mips_emit_loadgp before emitting
15865	the cprestore instruction.
15866	(mips_extra_live_on_entry): Fix reversed test.  Don't make $25
15867	live for TARGET_ABSOLUTE_ABICALLS.
15868	* config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15869	(ASM_SPEC): Pass down -mshared and -mno-shared.
15870	(MIPS_CALL): New macro.
15871	* config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15872	definition.
15873	* doc/invoke.texi (-mabicalls): Update documentation.
15874	(-mshared): Document.
15875
158762006-03-21  Steve Ellcey  <sje@cup.hp.com>
15877
15878	* config/ia64/unwind-hpux.c: New file.
15879	* config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15880
158812006-03-21  Steve Ellcey  <sje@cup.hp.com>
15882
15883	PR libgomp/26384
15884	* config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15885
158862006-03-21  Jeff Law  <law@redhat.com>
15887
15888	* tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15889	type conversions of a VR_VARYING source to a wider type.
15890
158912006-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
15892
15893	* config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15894	tm_file on Solaris 10 and later.
15895	(sparc64-*-solaris2*): Likewise.
15896	(sparc-*-solaris2*): Likewise.
15897	* config/sol26.h: Rename to config/sol2-6.h.
15898	* config/sol2-10.h: New file.
15899
159002006-03-21  Andrew Pinski  <pinskia@physics.uc.edu>
15901
15902	PR tree-opt/26781
15903	* tree-ssa-pre.c (create_component_ref_by_pieces):
15904	Handle STRING_CST.
15905
159062006-03-21  Jakub Jelinek  <jakub@redhat.com>
15907
15908	PR c++/26690
15909	* tree.c (get_callee_fndecl): If CALL is error_mark_node,
15910	return it immediately.
15911
159122006-03-21  Michael Matz  <matz@suse.de>
15913
15914	* genautomata.c (<struct state>, num_out_arcs, presence_signature):
15915	New members.
15916	(remove_arc, add_arc): Update num_out_arcs member.
15917	(set_out_arc_insns_equiv_num): Returns nothing instead of number
15918	of out arcs.
15919	(cache_presence): New function.
15920	(compare_states_for_equiv): New function.
15921	(state_is_differed): Don't take number of outargs, adjust callers.
15922	Use new invariant for speeding up.
15923	(init_equiv_class): Create initial classes based on sorted
15924	input.
15925	(partition_equiv_class): Don't track out_arcs_num.
15926	(evaluate_equiv_classes): Call cache_presence on all states and
15927	sort them.
15928
159292006-03-21  Bernd Schmidt  <bernd.schmidt@analog.com>
15930
15931	* config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15932	* config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15933	(bfin_valid_reg_p): Test for pseudos explicitly and use only
15934	REGNO_MODE_CODE_OK_FOR_BASE_P.  New args MODE and OUTER_CODE; all
15935	callers changed.
15936	* config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15937	(IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15938	(enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15939	(BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15940	REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15941	macros.
15942	(IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15943	REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15944	(REGNO_REG_CLASS): ARGP is in PREGS.
15945	* config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15946	IREGS.
15947	(zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15948	to deal with those addresses.
15949	* addresses.h: New file.
15950	* caller-save.c: Include "addresses.h".
15951	(init_caller_save): Use new base_reg_class function.
15952	* rtl-factoring.c: Include "addresses.h".
15953	(recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15954	* recog.c: Include "addresses.h".
15955	(preprocess_constraints): Use new base_reg_class function.
15956	* regrename.c: Include "addresses.h".
15957	(scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15958	functions.  Keep track of a new var INDEX_CODE to compute valid
15959	classes.
15960	(replace_oldest_value_addr): Likewise.
15961	(replace_oldest_value_mem): Use base_reg_class.
15962	* reload.c: Include "addresses.h".
15963	(REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15964	(find_reloads): Use new base_reg_class function.
15965	(find_reloads_address): Likewise; also use regno_ok_for_base_p.
15966	(find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15967	all callers and prototype changed.
15968	* reload1.c: Include "addresses.h".
15969	(maybe_fix_stack_asms): Use base_reg_class.
15970	* regclass.c: Include "addresses.h".
15971	(ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15972	(init_reg_autoinc): Use new base_reg_class function.
15973	(record_reg_classes): Likewise.
15974	(record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15975	OUTER_CODE and INDEX_CODE.  All callers and prototype changed.
15976	Use new args to compute necessary class.
15977
15978	* Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15979	regrename.o, rtl-factoring.o): Update dependencies.
15980	* doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15981	(REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15982	(REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15983	REG_OK_FOR_INDEX_P): Delete documentation.
15984
159852006-03-21  Alexey Starovoytov  <alexey.starovoytov@sun.com>
15986
15987	* config.gcc (sparc-*-solaris2*): Change the default CPU setting
15988	from V7 to V9 for Solaris 7 and above.
15989
159902006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>
15991
15992	* doc/invoke.texi: Document new flag -fargument-noalias-anything.
15993	* tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15994	argument pointers may not alias any other storage.
15995	* common.opt: Define option -fargument-noalias-anything.
15996	* tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15997	alias semantics is specified by flag_argument_noalias > 2.
15998
159992006-03-20  Jeff Law  <law@redhat.com>
16000
16001	* tree-pass.h (pass_phi_only_copy_prop): Delete.
16002	(pass_phi_only_cprop): Declare.
16003	* passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
16004	with phi_only_cprop
16005	* tree-ssa-dom.c (degenerate_phi_result): New function.
16006	(remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
16007	(get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
16008	(eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
16009	(eliminate_degenerate_phis): Likewise.
16010	(pass_phi_only_cprop): New pass descriptor.
16011	* tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
16012	support code.  Callers updated.
16013	(execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
16014	(store_copy_prop): Likewise.
16015	(do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
16016
160172006-03-20  Jason Merrill  <jason@redhat.com>
16018
16019	PR c++/21764
16020	* c-pragma.c (visstack): Move out of handle_pragma_visibility.
16021	(push_visibility, pop_visibility): Likewise.
16022	* c-pragma.h: Declare them.
16023
160242006-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16025
16026	* config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
16027
16028	* config/sh/sh.c (find_regmode_weight): Change the type of the first
16029	parameter and use get_ebb_head_tail.
16030	(sh_md_init_global): Adjust uses of find_regmode_weight.
16031
160322006-03-20  Steven Bosscher  <stevenb.gcc@gmail.com>
16033
16034	* function.h (struct function) <x_tail_recursion_reentry>:
16035	Rename to x_stack_check_probe_note.
16036	(tail_recursion_reentry): Rename to stack_check_probe_note.
16037	* function.c: Replace tail_recursion_reentry with
16038	stack_check_probe_note everywhere.
16039	(expand_function_start): Only emit a note for
16040	stack_check_probe_note with -fstack-protect.
16041	* stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
16042
16043	* emit-rtl.c (remove_unnecessary_notes): Remove.
16044	(pass_remove_unnecessary_notes): Remove.
16045	* rtl.h (remove_unnecessary_notes): Remove prototype.
16046	* final.c (final_start_function): Don't call remove_unnecessary_notes.
16047	* tree-pass.h (pass_remove_unnecessary_notes): Remove.
16048	* passes.c (pass_remove_unnecessary_notes): Don't run it.
16049
160502006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>
16051
16052	PR tree-opt/26629
16053	* tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
16054	(valid_in_set): Handle ARRAY_REF.
16055	Change "if min_variant or VH" to asserts.
16056	(create_component_ref_by_pieces): Handle ARRAY_REF.
16057	(create_expression_by_pieces): Likewise.
16058	(can_PRE_operation): ARRAY_REFs can now be PRE'd.
16059
160602006-03-20  David Edelsohn  <edelsohn@gnu.org>
16061
16062	* genpreds.c (write_insn_extra_address_constraint): Argument `c'
16063	is operand of switch, not str[0].
16064
160652006-03-20  Alan Modra  <amodra@bigpond.net.au>
16066
16067	* config/rs6000/rs6000.c (rs6000_handle_option): Use
16068	TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
16069
160702006-03-19  David Edelsohn  <edelsohn@gnu.org>
16071
16072	* genpreds.c (write_tm_preds_h): Add semicolon and newline at
16073	end of insn_extra_address_constraint declaration.
16074
160752006-03-19  David Edelsohn  <edelsohn@gnu.org>
16076
16077	* config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
16078	(no-sum-in-toc): Same.
16079	* config/rs6000/rs6000.c (rs6000_handle_option): Use new
16080	variables.
16081	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
16082	NO_FP_IN_TOC for -fPIC instead of mask.
16083
16084	* config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
16085	(BOOT_LDFLAGS): Delete.
16086	(LDFLAGS): Delete.
16087	* config/rs6000/t-aix52: Same.
16088
16089	* config/rs6000/rs6000.md (store_multiple_power): Delete.
16090	(stmsi[345678]_power): New.
16091
160922006-03-17  Steve Ellcey  <sje@cup.hp.com>
16093
16094	* config/ia64/ia64.opt: Add empty line to end of file.
16095
160962006-03-17  Richard Guenther  <rguenther@suse.de>
16097
16098	PR middle-end/26721
16099	* builtins.c (get_pointer_alignment): For component style references
16100	adjust alignment to the component type alignment.  Make sure
16101	to adjust alignment for component access of constants.
16102
161032006-03-17  David Edelsohn  <edelsohn@gnu.org>
16104
16105	* config/rs6000/rs6000.md (strlensi): Emit barrier after
16106	unconditional jump.
16107
161082006-03-17  Paul Brook  <paul@codesourcery.com>
16109
16110	* doc/install.texi: Docuemnt --with-mode.
16111	* config.gcc: Add --with-mode for arm*-*-*.
16112	* config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
16113
161142006-03-17  J"orn Rennecke <joern.rennecke@st.com>
16115
16116	* sh.c (max_labelno_before_reorg): New variable.
16117	(sh_reorg): Initialize it.
16118	(find_barrier): Check max_labelno_before_reorg before using
16119	label_to_alignment.  Take length of explicit alignment insns
16120	into account.  When seeing a UNSPECV_CONST_END, return it.
16121
16122	* sh.c (fixup_mova): Set mode of affected label to QImode.
16123	(untangle_mova): New function.
16124	(find_barrier): Use it.  Check mode of label before decrementing
16125	num_mova.
16126	(sh_reorg): Likewise.
16127	Set mode of all insns back to VOIDmode.
16128
16129	* sh.c (MOVA_LABELREF): New macro.
16130	(mova_p, fixup_mova, sh_reorg): Use it.
16131	(find_barrier, sh_reorg): Don't count num_mova back to 0 unless
16132	ADDR_DIFF_VEC matches mova.
16133
161342006-03-17  Steven Bosscher  <stevenb.gcc@gmail.com>
16135
16136	* dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
16137	with ATTRIBUTE_UNUSED.
16138
161392006-03-17  Alexandre Oliva  <aoliva@redhat.com>
16140
16141	* dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
16142	pointer, instead of assuming it is possible to derive the
16143	correct args size from a call insn.
16144
161452006-03-16  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16146
16147	* rtl.h (CONST_INT_P): Define.
16148	* config/vax/vax.c (print_operand_address): Use CONST_INT_P()
16149	instead of GET_CODE(x) == CONST_INT.
16150	(vax_rtx_costs): Likewise.
16151	(vax_output_int_move): Likewise.
16152	(vax_output_int_add): Likewise.
16153	(legitimate_constant_address_p): Likewise.
16154	(index_term_p): Likewise.
16155	* config/vax/vax.h (PRINT_OPERAND): Likewise.
16156	* config/vax/vax.md (and<mode>3): Likewise.
16157	(ashrsi3): Likewise.
16158	(extv): Likewise.
16159	(movstricthi): Likewise.
16160	(movstrictqi): Likewise.
16161	(rotrsi3): Likewise.
16162	(five unnamed insns): Likewise.
16163
161642006-03-16  Geoffrey Keating  <geoffk@apple.com>
16165
16166	* doc/tm.texi (SDB and DWARF): Add extra parameter to
16167	ASM_OUTPUT_DWARF_OFFSET.  Use @var to indicate metavariables.
16168	* dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
16169	* dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
16170	Pass to ASM_OUTPUT_DWARF_OFFSET.
16171	* dwarf2out.c (debug_frame_section): New.
16172	(output_call_frame_info): Use debug_frame_section.  Pass it to
16173	dw2_asm_output_offset.
16174	(output_die): Pass appropriate section to dw2_asm_output_offset.
16175	(output_compilation_unit_header): Likewise.
16176	(output_pubnames): Likewise.
16177	(output_aranges): Likewise.
16178	(enum dw_val_class): Break dw_val_class_lbl_offset into
16179	dw_val_class_lineptr and dw_val_class_macptr.
16180	(add_AT_lbl_offset): Delete.
16181	(add_AT_lineptr): New.
16182	(add_AT_macptr): New.
16183	(AT_lbl): Expect a lineptr or macptr.
16184	(print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
16185	(attr_checksum): Likewise.
16186	(same_dw_val_p): Likewise.
16187	(size_of_die): Likewise.
16188	(value_format): Likewise.
16189	(output_die): Likewise.
16190	(dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
16191	add_AT_lbl_offset.
16192	* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16193	* config/i386/i386.c (x86_file_start): Call darwin_file_start.
16194	* config/darwin-protos.h (darwin_file_start): New.
16195	(darwin_asm_output_dwarf_offset): New.
16196	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16197	* config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
16198	darwin_file_start.
16199	* config/darwin.c (darwin_emit_unwind_label): Don't output label
16200	if not EH section; simplify.
16201	(darwin_file_start): New.
16202	(darwin_asm_output_dwarf_offset): New.
16203	* config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
16204	mark as 'debug'.
16205	(DEBUG_INFO_SECTION): Likewise.
16206	(DEBUG_ABBREV_SECTION): Likewise.
16207	(DEBUG_ARANGES_SECTION): Likewise.
16208	(DEBUG_MACINFO_SECTION): Likewise.
16209	(DEBUG_LINE_SECTION): Likewise.
16210	(DEBUG_LOC_SECTION): Likewise.
16211	(DEBUG_PUBNAMES_SECTION): Likewise.
16212	(DEBUG_STR_SECTION): Likewise.
16213	(DEBUG_RANGES_SECTION): Likewise.
16214	(FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
16215	(ASM_OUTPUT_DWARF_OFFSET): New.
16216
162172006-03-16  Joseph S. Myers  <joseph@codesourcery.com>
16218
16219	* config.gcc (tm_defines): Always add to previous value rather
16220	than replacing it.
16221
162222006-03-16  Richard Sandiford  <richard@codesourcery.com>
16223
16224	* config/mips/predicates.md (splittable_const_int_operand): New,
16225	split from move_operand.
16226	(splittable_symbolic_operand): New.
16227	(move_operand): Add commentary.  Use splittable_const_int_operand.
16228	Inline mips_atomic_symbolic_constant_p.
16229	* config/mips/mips.md: Add combine splitters for handling moves
16230	of splittable_const_int_operands and splittable_symbolic_operands.
16231	* config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
16232	(mips_split_symbol): Declare.
16233	(mips_move_integer): Declare.
16234	* config/mips/mips.c (mips_split_p): Make global.
16235	(TARGET_MIN_ANCHOR_OFFSET): Override default.
16236	(TARGET_MAX_ANCHOR_OFFSET): Likewise.
16237	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16238	(TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
16239	(mips_offset_within_object_p): Handle block symbols.
16240	(mips_atomic_symbolic_constant_p): Delete.
16241	(mips_cannot_force_const_mem): Return false for constants that
16242	mips_legitimize_move can handle.
16243	(mips_use_blocks_for_constant_p): New function.
16244	(mips_split_symbol): Make global.
16245	(mips_move_integer): Likewise.  Add a temporary register argument.
16246	(mips_legitimize_const_move): Use splittable_const_int_operand and
16247	splittable_symbolic_operand.
16248	(mips_use_anchors_for_symbol_p): New function.
16249	* config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
16250	(mips_split_p): Declare.
16251
162522006-03-16  Richard Sandiford  <richard@codesourcery.com>
16253
16254	* config.gcc (mips64*-*-linux*): Keep existing tm_defines.
16255	(mips*-*-linux*): Likewise.
16256
162572006-03-16  Roger Sayle  <roger@eyesopen.com>
16258	    Daniel Speyer  <dspeyer@wam.umd.edu>
16259
16260	PR middle-end/18259
16261	* tree-dump.c (dump_real): New function.
16262	(dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
16263	* Makefile.in (REAL_H): New macro for dependencies on real.h.
16264	(tree-dump.o): Add $(REAL_H) to the dependencies.
16265
162662006-03-16  Roger Sayle  <roger@eyesopen.com>
16267
16268	PR middle-end/21781
16269	* real.c (real_from_string): If the mantissa is zero, don't bother
16270	parsing the exponent as the result should always be zero.
16271
162722006-03-16  Andreas Krebbel  <krebbel1@de.ibm.com>
16273
16274	* simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
16275
162762006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16277
16278	* config/ia64/ia64.c (stops_p): Added explicit initialization.
16279	(ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
16280	ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
16281	ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
16282	ia64_sched_finish_global): New static functions to implement
16283	hooks from gcc_target.sched.
16284	(spec_check_no, max_uid, pending_data_specs): New static variables.
16285	(ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
16286	ia64_spec_check_src_p): New static functions.
16287	(ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
16288	(TARGET_SCHED_ADJUST_COST): Removed.
16289	(TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16290	TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16291	TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16292	TARGET_SCHED_GEN_CHECK,
16293	TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16294	TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16295	(update_set_flags, group_barrier_needed, set_src_needs_barrier):
16296	Fixed to handle speculation checks.
16297	(rtx_needs_barrier): Fixed to handle speculative loads and
16298	their checks.
16299	(ia64_variable_issue): Added code to count speculative loads and their
16300	checks.
16301	(ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16302	speculative loads.
16303	(enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16304	New enumerations.
16305	(SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16306	New constants.
16307	(ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16308	(ia64_reorg): Reset stops_p to NULL after it is freed.
16309	* config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16310	UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16311	(itanium_class): chk_s renamed to chk_s_i.  New constants: chk_s_f,
16312	chk_a.
16313	(data_speculative, control_speculative, check_load): New attributes.
16314	(mov<mode>_advanced, mov<mode>_speculative,
16315	mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
16316	zero_extend<mode>di2_speculative,
16317	zero_extend<mode>di2_speculative_advanced): New patterns for
16318	data and control speculative loads.
16319	(mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
16320	check loads.
16321	(advanced_load_check_clr_<mode>, speculation_check_<mode>):
16322	New pattern for data and control speculation checks.
16323	(MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16324	ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16325	reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16326	Auxiliary definitions for the patterns.
16327	* config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16328	1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16329	constraints.
16330	(1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16331	for speculation.
16332	(1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16333	* config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16334	2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16335	New resource constraints.
16336	(2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16337	for speculation.
16338	(2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16339	* config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16340	msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16341	msched-in-control-spec, msched-ldc, msched-control-ldc,
16342	msched-spec-verbose, msched-prefer-non-data-spec-insns,
16343	msched-prefer-non-control-spec-insns,
16344	msched-count-spec-in-critical-path): New flags to tune speculative
16345	scheduling.
16346	* doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16347	msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16348	msched-in-control-spec, msched-ldc, msched-control-ldc,
16349	msched-spec-verbose, msched-prefer-non-data-spec-insns,
16350	msched-prefer-non-control-spec-insns,
16351	msched-count-spec-in-critical-path): Document new flags.
16352
163532006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16354
16355	* target.h (struct spec_info_def): New opaque declaration.
16356	(struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16357	speculate_insn, needs_block_p, gen_check,
16358	first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16359	* target-def.h (TARGET_SCHED_ADJUST_COST_2,
16360	TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16361	TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16362	TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16363	TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16364	gcc_target.sched.
16365	(TARGET_SCHED): Use new macros.
16366	* rtl.h (copy_DEPS_LIST_list): New prototype.
16367	* sched-int.h (struct sched_info): Change signature of new_ready field,
16368	adjust all initializations. New fields: add_remove_insn,
16369	begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16370	region_head_or_leaf_p.
16371	(struct spec_info_def): New structure declaration.
16372	(spec_info_t): New typedef.
16373	(struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16374	recovery_block, orig_pat.
16375	(glat_start, glat_end): New variables declaraions.
16376	(TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16377	New access macros.
16378	(enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16379	DETACH_LIFE_INFO, USE_GLAT.
16380	(enum SPEC_SCHED_FLAGS): New enumeration.
16381	(NOTE_NOTE_BB_P): New macro.
16382	(extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16383	attach_life_info, debug_spec_status, check_reg_live): New functions.
16384	(get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16385	all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16386	sched-ebb.c
16387	(get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16388	* ddg.c (get_block_head_tail): Adjust all uses.
16389	* modulo-sched.c (get_block_head_tail): Adjust all uses.
16390	(sms_sched_info): Initialize new fields.
16391	(contributes_to_priority): Removed.
16392	* haifa-sched.c (params.h): New include.
16393	(get_block_head_tail): Adjust all uses.
16394	(ISSUE_POINTS): New macro.
16395	(glat_start, glat_end): New global variables.
16396	(spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16397	nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16398	old_last_basic_block, before_recovery, current_sched_info_var,
16399	rgn_n_insns, luid): New static variables.
16400	(insn_cost1): New function.  Move logic from insn_cost to here.
16401	(find_insn_reg_weight1): New function.  Move logic from
16402	find_insn_reg_weight to here.
16403	(reemit_notes, move_insn, max_issue): Change signature.
16404	(move_insn1): Removed.
16405	(extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16406	extend_bb): New static functions to support extension of scheduler's
16407	data structures.
16408	(generate_recovery_code, process_insn_depend_be_in_spec,
16409	begin_speculative_block, add_to_speculative_block,
16410	init_before_recovery, create_recovery_block, create_check_block_twin,
16411	fix_recovery_deps): New static functions to support
16412	generation of recovery code.
16413	(fix_jump_move, find_fallthru_edge, dump_new_block_header,
16414	restore_bb_notes, move_block_after_check, move_succs): New static
16415	functions to support ebb scheduling.
16416	(init_glat, init_glat1, attach_life_info1, free_glat): New static
16417	functions to support handling of register live information.
16418	(associate_line_notes_with_blocks, change_pattern, speculate_insn,
16419	sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16420	add_jump_dependencies):	New static functions.
16421	(check_cfg, has_edge_p, check_sched_flags): New static functions for
16422	consistancy checking.
16423	(debug_spec_status): New function to call from debugger.
16424	(priority): Added code to handle speculation checks.
16425	(rank_for_schedule): Added code to distinguish speculative instructions.
16426	(schedule_insn): Added code to handle speculation checks.
16427	(unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16428	Fixed to handle ebbs.
16429	(move_insn): Added code to handle ebb scheduling.
16430	(max_issue): Added code to use ISSUE_POINTS of instructions.
16431	(choose_ready): Added code to choose between speculative and
16432	non-speculative instructions.
16433	(schedule_block): Added code to handle ebb scheduling and scheduling of
16434	speculative instructions.
16435	(sched_init): Initialize new variables.
16436	(sched_finish): Free new variables.  Print statistics.
16437	(try_ready): Added code to handle speculative instructions.
16438	* lists.c (copy_DEPS_LIST_list): New function.
16439	* sched-deps.c (extend_dependency_caches): New function.  Move logic
16440	from create_dependency_caches to here.
16441	(get_dep_weak, ds_merge): Make global.
16442	* genattr.c (main): Code to output prototype for
16443	dfa_clear_single_insn_cache.
16444	* genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16445	(output_dfa_clean_insn_cache_func): Code to output
16446	dfa_clear_single_insn_cache function.
16447	* sched-ebb.c (target_n_insns): Remove.  Adjust all users to use
16448	n_insns.
16449	(can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16450	Removed.
16451	(n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16452	New static variables.
16453	(begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16454	fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16455	struct sched_info.
16456	(ebb_sched_info): Initialize new fields.
16457	(get_block_head_tail): Adjust all uses.
16458	(compute_jump_reg_dependencies): Fixed to use glat_start.
16459	(schedule_ebb): Code to remove unreachable last block.
16460	(schedule_ebbs): Added code to update register live information.
16461	* sched-rgn.c (region_sched_info): Initialize new fields.
16462	(get_block_head_tail): Adjust all uses.
16463	(last_was_jump): Removed.  Adjust users.
16464	(begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16465	add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16466	Implement new hooks.
16467	(check_dead_notes1): New static function.
16468	(struct region): New fields: dont_calc_deps, has_real_ebb.
16469	(RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16470	(BB_TO_BLOCK): Fixed to handle EBBs.
16471	(EBB_FIRST_BB, EBB_LAST_BB): New macros.
16472	(ebb_head): New static variable.
16473	(debug_regions, contributes_to_priority): Fixed to handle EBBs.
16474	(find_single_block_regions, find_rgns, find_more_rgns): Initialize
16475	new fields.
16476	(compute_dom_prob_ps): New assertion.
16477	(check_live_1, update_live_1): Fixed to work with glat_start instead of
16478	global_live_at_start.
16479	(init_ready_list): New assertions.
16480	(can_schedule_ready_p): Split update code to begin_schedule_ready.
16481	(new_ready): Add support for BEGIN_CONTROL speculation.
16482	(schedule_insns): Fixed code that updates register live information
16483	to handle EBBs.
16484	(schedule_region): Fixed to handle EBBs.
16485	(init_regions): Use extend_regions and check_dead_notes1.
16486	* params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16487	PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16488	* doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16489	TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16490	TARGET_SCHED_GEN_CHECK,
16491	TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16492	TARGET_SCHED_SET_SCHED_FLAGS): Document.
16493	* doc/invoke.texi (max-sched-insn-conflict-delay,
16494	sched-spec-prob-cutoff): Document.
16495
164962006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16497
16498	* sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16499	inter_tick, queue_index.
16500	(struct sched_info): Change signature of init_ready_list field.
16501	Adjust all initializations.
16502	(RESOLVED_DEPS): New access macro.
16503	(ready_add): Remove prototype.
16504	(try_ready): Add prototype.
16505	* sched-rgn.c (init_ready_list): Use try_ready.
16506	(schedule_region): Initialize
16507	current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16508	* sched-ebb.c (new_ready): Remove.  Adjust ebb_sched_info.
16509	(init_ready_list): Use try_ready.
16510	(schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16511	* lists.c (remove_list_elem): Remove `static'.
16512	(remove_free_INSN_LIST_elem): New function.
16513	* rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16514	* haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16515	(INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16516	New constants.
16517	(readyp): New variable.
16518	(queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16519	change_queue_index, resolve_dep): New static functions.
16520	(try_ready): New function.  Adjust callers in sched-rgn.c and
16521	sched-ebb.c to use it instead of ready_add.
16522	(clock_var): Move at the begining of file.
16523	(rank_for_schedule): Fix typo.
16524	(queue_insn): Add assertion.  Handle QUEUE_INDEX.
16525	(ready_lastpos): Enforce assertion.
16526	(ready_add): Make it static.  Handle QUEUE_INDEX.  Add new argument,
16527	update all callers.
16528	(ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16529	(schedule_insn): Rewrite to use try_ready and resolve_dep.
16530	(queue_to_ready): Use free_INSN_LIST_list.
16531	(early_queue_to_ready): Fix typo.
16532	(schedule_block): Init readyp.  Move init_ready_list call after the
16533	initialization of clock_var.  Fix error in rejecting insn by
16534	targetm.sched.dfa_new_cycle.  Add call to fix_inter_tick.  Remove code
16535	that previously	corrected INSN_TICKs.  Add code for handling
16536	QUEUE_INDEX.
16537	(set_priorities): Fix typo.
16538	(sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16539	Clarify comment and code that keeps current_sched_info->next_tail
16540	non-null.
16541
165422006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16543
16544	* sched-rgn.c (extend_rgns): New static function.
16545	(find_rgns): Use it.
16546	(gather_region_statistics, print_region_statistics): New static
16547	functions.
16548	* params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16549	* doc/invoke.texi (max-sched-extend-regions-iters): Document.
16550
165512006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16552	    Andrey Belevantsev <abel@ispras.ru>
16553
16554	* ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16555	* lists.c (unused_deps_list): New variable.
16556	(free_list): Add assertions to verify the proper distinguishing
16557	between INSN_LISTs and DEPS_LISTs.
16558	(find_list_elem, remove_list_elem, remove_list_node): New static
16559	functions.
16560	(alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16561	remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16562	remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16563	(alloc_INSN_LIST): Assert that the list we're working on is indeed
16564	an INSN_LIST.
16565	(free_INSN_LIST_node): Likewise.
16566	* modulo-sched.c (current_sched_info): Initialize flags field.
16567	* reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16568	* rtl.def (DEPS_LIST): Define.
16569	* rtl.h: Declare new functions from lists.c.
16570	* sched-deps.c (spec_dependency_cache): New static variable.
16571	(maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16572	(add_dependence): Change return type to void.  Move the logic to ...
16573	(add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
16574	(delete_all_dependences): Add comment about forward_dependency_cache.
16575	Handle spec_dependency_cache.  Handle DEPS_LISTs.
16576	(fixup_sched_groups): Clarify the change of priority of output
16577	and anti dependencies.
16578	(sched_analyze_2): Adjust add_dependence calls to create data
16579	speculative dependence.
16580	(add_forward_dependence): Renamed to add_forw_dep, change prototype.
16581	Adjust all callers.  Handle DEPS_LISTS.
16582	(compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
16583	presence of speculation.
16584	(init_dependency_caches, free_dependency_caches):
16585	Handle spec_dependency_cache.
16586	(adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16587	estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16588	New static functions.
16589	(add_or_update_back_dep, add_or_update_back_forw_dep,
16590	add_back_forw_dep, delete_back_forw_dep): New functions.
16591	* sched-int.h (ds_t, dw_t): New typedefs.
16592	(struct sched_info): Add new field flags.
16593	(struct haifa_insn_data): Add new bitfield has_internal_dep.
16594	Prototype new sched-deps.c functions.
16595	(HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16596	(BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16597	MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16598	BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16599	SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16600	SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16601	New constants.
16602	(enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16603	New enums.
16604	* sched-rgn.c (current_sched_info): Initialize flags field.
16605	(schedule_insns): Initialize current_sched_info before the sched_init
16606	call.
16607	* sched-ebb.c (current_sched_info): Initialize flags field.
16608	(add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16609	Call add_or_update_back_dep instead of add_dependence.
16610	Create control speculative dependencies.
16611	(schedule_insns): Initialize current_sched_info before the sched_init
16612	call.
16613
166142006-03-16  Kaz Kojima  <kkojima@gcc.gnu.org>
16615
16616	* config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16617	fs->signal_frame.
16618	(sh_fallback_frame_state): Likewise.
16619
166202006-03-15  Geoffrey Keating  <geoffk@apple.com>
16621
16622	* config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16623	Do switch on default_use_cxa_atexit.
16624	(powerpc*-*-darwin*): Build crt2.o on powerpc.
16625	* config/darwin-crt3.o: New.
16626	* config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16627	to 10.3.  Pass '-multiply_defined suppress' if crt3.o is in use.
16628	(STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16629	OS version.
16630	* config/rs6000/t-darwin: Move crt2.o building to here.
16631	* config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16632	Mac OS version for using __cxa_get_exception_ptr.  Don't test versions
16633	of __cxa_atexit.
16634
166352006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16636
16637	* config/vax/vax.c (nonindexed_address_p): Change logical negation
16638	from '! xxx' to '!xxx' for coding-style conformance.
16639	* config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16640	(EXTRA_CONSTRAINT): Likewise.
16641	* config/vax/vax.md (four unnamed insns): Likewise.
16642
166432006-03-15  Paul Brook  <paul@codesourcery.com>
16644
16645	* config/arm/arm.c (minipool_pad): New.
16646	(add_minipool_forward_ref): Include pool alignment padding in address
16647	calculation.
16648	(push_minipool_fix): Set minipool_pad.
16649	(minipool_pad): Ditto.
16650
166512006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16652
16653	* config/vax/vax.c (split_quadword_operands): Use MEM_P()
16654	instead of GET_CODE() == MEM and REG_P() instead of
16655	GET_CODE() == REG.
16656	(print_operand_address): Likewise.
16657	(vax_address_cost): Likewise.
16658	(vax_rtx_costs): Likewise.
16659	(vax_notice_update_cc): Likewise.
16660	(vax_output_int_add): Likewise.
16661	(INDEX_REGISTER_P): Likewise.
16662	(BASE_REGISTER_P): Likewise.
16663	(nonindexed_address_p): Likewise.
16664	(vax_mode_dependent_address_p): Likewise.
16665	* config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16666	(PRINT_OPERAND): Likewise.
16667	* config/vax/vax.md (ashlsi3): Likewise.
16668	(ashlsi3): Likewise.
16669	(some more unnamed insns): Likewise.
16670
166712006-03-15  Kazu Hirata  <kazu@codesourcery.com>
16672
16673	* tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16674	iterator-style macro.
16675	(mark_control_dependent_edges_necessary): Update the use of
16676	EXECUTE_IF_CONTROL_DEPENDENT.
16677
166782006-03-15  J"orn Rennecke <joern.rennecke@st.com>
16679
16680	* config/sh/predicates.md (cache_address_operand): Special.
16681	(ua_address_operand): Likewise.
16682
166832006-03-15  Zdenek Dvorak <dvorakz@suse.cz>
16684
16685	* haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16686	loop notes.
16687	* sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16688
166892006-03-15  Andreas Schwab  <schwab@suse.de>
16690
16691	* gensupport.c (identify_predicable_attribute): Don't free p_false
16692	when it is still in use.
16693
166942006-03-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
16695
16696	* config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16697	the default setting here.
16698
166992006-03-14  Steven Bosscher  <stevenb.gcc@gmail.com>
16700
16701	* tree-pass.h (pass_cfg): Remove.
16702	* alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16703	* passes.c (pass_cfg): Don't run it.
16704
167052006-03-14  Kazu Hirata  <kazu@codesourcery.com>
16706
16707	* Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16708	* reg-stack.c (stack_regs_mentioned_data): Change the type to
16709	VEC(char,heap) *.
16710	(stack_regs_mentioned): Update the uses of
16711	stack_regs_mentioned_data.  Don't access the array beyond its
16712	end.
16713	(reg_to_stack): Update the uses of stack_regs_mentioned_data.
16714	Don't include gt-reg-stack.h.
16715
16716	* config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16717	* system.h (UNALIGNED_WORD_ASM_OP): Poison.
16718
16719	* combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16720
16721	PR middle-end/26684
16722	* reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16723	STACK_REGS.
16724
167252006-03-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16726
16727	* pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16728
167292006-03-14  Richard Guenther  <rguenther@suse.de>
16730
16731	PR tree-optimization/26672
16732	* tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16733	SSA form.
16734
167352006-03-14  Richard Guenther  <rguenther@suse.de>
16736
16737	PR tree-optimization/26667
16738	* ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16739	node for the callees.  Always allow inlining if it will shrink
16740	the function size.
16741
167422006-03-14  Richard Guenther  <rguenther@suse.de>
16743
16744	PR middle-end/26659
16745	* builtins.c (get_pointer_alignment): Prefer alignment
16746	information from decls over that from types.
16747
167482006-03-14  Andrew Pinski  <pinskia@physics.uc.edu>
16749
16750	PR target/26657
16751	* config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16752
167532006-03-14  Joseph S. Myers  <joseph@codesourcery.com>
16754
16755	* config/rs6000/rs6000.opt (mdlmzb): New option.
16756	(msched-prolog, msched-epilog): Use Var not Mask.
16757	* doc/invoke.texi (-mdlmzb): Document.
16758	* config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16759	MASK_SCHED_PROLOG.
16760	(rs6000_override_options): Enable -mdlmzb for 405 and 440.
16761	* config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16762
167632006-03-13  Uttam Pawar  <uttamp@us.ibm.com>
16764
16765	PR rtl-optimization/25739
16766	* bt-load.c (augment_live_range): Free tos pointer.
16767
16768	* gensupport.c (identify_predicable_attribute): Free
16769	p_false pointer.
16770	* gcov.c (create_file_names): Free name pointer.
16771
167722006-03-13  Roger Sayle  <roger@eyesopen.com>
16773
16774	PR middle-end/26557
16775	* stmt.c (emit_case_nodes): Handle the case where the index is a
16776	CONST_INT, where the comparison mode is specified by the index type.
16777
167782006-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16779
16780	* pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16781	is defined.
16782
167832006-03-13  Richard Sandiford  <richard@codesourcery.com>
16784
16785	* config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16786	(*branch_fp_inverted): Likewise.
16787
167882006-03-13  Jakub Jelinek  <jakub@redhat.com>
16789
16790	PR middle-end/25989
16791	* omp-low.c (expand_omp_for_generic): Mark istart0
16792	and iend0 as addressable.
16793
167942006-03-13  Jie Zhang  <jie.zhang@analog.com>
16795
16796	* config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16797
167982006-03-13  Jeff Law  <law@redhat.com>
16799
16800	* tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16801	virtual operands are interesting.
16802	(vrp_visit_stmt): Corresponding changes.
16803
168042006-03-13  Bernd Schmidt  <bernd.schmidt@analog.com>
16805
16806	* config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16807	of RETS.
16808	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16809	TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16810	* config/bfin/crti.S: Use it instead of __PIC__.
16811	* config/bfin/crtn.S: Likewise.
16812
16813	* config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16814	call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16815	not if flag_pic.
16816	Lose 'G' modifier for call operand.
16817	* config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16818	recognize 'G' modifier.
16819
168202006-03-13  Eric Botcazou  <ebotcazou@adacore.com>
16821
16822	PR middle-end/18859
16823	* gimplify.c (gimplify_switch_expr): Discard empty ranges.
16824	* stmt.c (expand_case): Likewise.
16825
168262006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16827
16828	PR rtl-optimization/26254
16829	* loop-invariant.c (seq_insns_valid_p): New function.
16830	(move_invariant_reg): Only emit new code if it is valid.
16831
168322006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16833
16834	* cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16835	Removed.
16836	(force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16837	(rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16838	(commit_one_edge_insertion): Do not look for loop notes.
16839
168402006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16841
16842	* jump.c (follow_jumps): Do not check for loop notes.  Move check for
16843	flag_test_coverage out of loop.
16844
168452006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16846
16847	* final.c (shorten_branches): Remove outdated comment, and turn
16848	the if branch that guards it to continue.
16849
168502006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16851
16852	* cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16853	* cfgloop.h (struct loop): Remove unused fields.
16854
168552006-03-13  Kazu Hirata  <kazu@codesourcery.com>
16856
16857	* doc/invoke.texi (-fdump-rtl-loop): Remove.
16858	(-dL, -fdump-rtl-loop2): Update the dump file names
16859
16860	* doc/invoke.texi: Update dump file names.
16861
168622006-03-12  Steven Bosscher  <stevenb.gcc@gmail.com>
16863
16864	* predict.c (estimate_probability): Remove.
16865	* profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16866	* basic-block.h (estimate_probability): Remove prototype.
16867	* passes.c (finish_optimization_passes): Dump branch prediction or
16868	profiling heuristics to the .profile tree dump.
16869	(init_optimization_passes): Unqueue pass_branch_prob.
16870
16871	* doc/invoke.texi (-fdump-rtl-bp): Remove.
16872
168732006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
16874
16875	* rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16876	* rtl.h (LABEL_NEXTREF): Remove field accessor.
16877
168782006-03-11  Eric Botcazou  <ebotcazou@adacore.com>
16879
16880	* function.h (frame_offset_overflow): Declare.
16881	* function.c (frame_offset_overflow): New function.
16882	(assign_stack_local_1): Call it to detect that the offset overflows.
16883	* cfgexpand.c (alloc_stack_frame_space): Likewise.
16884
168852006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
16886
16887	* config/sh/sh.c: Include alloc-pool.h.
16888	(label_ref_list_pool): New alloc pool.
16889	(label_ref_list_t): New type for lists of labels.
16890	(struct pool_node): Make wend a label_ref_list_t.
16891	(add_constant): Use the new type, eradicate LABEL_NEXTREF
16892	references.
16893	(dump_table): Likewise.
16894	(sh_reorg): Set up the alloc pool before using add_constant and
16895	dump_table, and destroy it when finishing.
16896
168972006-03-11  Richard Sandiford  <richard@codesourcery.com>
16898
16899	* config/mips/mips.c: Remove redundant comment.
16900
169012006-03-10  Jason Merrill  <jason@redhat.com>
16902
16903	PR c/26004
16904	* gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16905	the target was declared 'register'.
16906
169072006-03-10  Adam Nemet  <anemet@caviumnetworks.com>
16908
16909	* genpreds.c (write_insn_constraint_len): Change definition of
16910	insn_constraint_len to return size_t to match the declaration.
16911
169122006-03-10  DJ Delorie  <dj@redhat.com>
16913
16914	* config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16915	start at zero.
16916	(m32c_expand_insv): Fix test for an AND mask.
16917
169182006-03-10  Richard Guenther  <rguenther@suse.de>
16919
16920	PR middle-end/26565
16921	* builtins.c (get_pointer_alignment): Handle component
16922	references for field alignment.
16923
169242006-03-10  J"orn Rennecke <joern.rennecke@st.com>
16925
16926	* config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16927	when building with libgloss.
16928	(sh*elf): Implement --without-fp option.
16929	(sh64-superh-linux*): Don't multilib.
16930
169312006-03-10  J"orn Rennecke <joern.rennecke@st.com>
16932
16933	* struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16934
169352006-03-09  Andrew Pinski  <pinskia@physics.uc.edu>
16936
16937	* tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16938	Set it when one of the replacement functions returned true.
16939	Return TODO_cleanup_cfg if cfgchanged is true.
16940	(pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16941
169422006-03-09  Adam Nemet  <anemet@caviumnetworks.com>
16943
16944	* combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16945	instead of gen_lowpart.
16946
169472006-03-09  Richard Sandiford  <richard@codesourcery.com>
16948
16949	* config/mips/mips-protos.h (mips_output_conditional_branch): Change
16950	interface.
16951	(mips_output_order_conditional_branch): Declare.
16952	* config/mips/mips.h (MIPS_BRANCH): New macro.
16953	* config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16954	for the comparison.  Use gen_condjump.
16955	(mips_output_conditional_branch): Rework interface to take the
16956	asm templates for a direct branch and the inverse of a direct branch.
16957	(mips_output_order_conditional_branch): New function.
16958	(mips_builtin_branch_and_move): New function.
16959	(mips_expand_builtin_compare): Use it.  Use VOIDmode for the
16960	branch condition.  Use gen_single_cc as the condition for
16961	__builtin_mips_upper_* or __builtin_mips_lower_*.
16962	(mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16963	Use VOIDmode for the branch condition.
16964	* config/mips/predicates.md (order_operator): New predicate.
16965	* config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16966	(branch_fp): Rename to...
16967	(*branch_fp): ...this.  Remove mode from comparison operator.
16968	Use new mips_output_conditional_branch interface.
16969	(branch_fp_inverted): Rename to...
16970	(*branch_fp_inverted): ...this and update as for *branch_fp.
16971	(*branch_zero<mode>): Rename to...
16972	(*branch_order<mode>): ...this.  Remove mode from comparison operator.
16973	Use mips_output_order_conditional_branch.  Only accept ordered
16974	comparisons.
16975	(*branch_zero<mode>_inverted): Rename to...
16976	(*branch_order<mode>_inverted): ...this and update as for
16977	*branch_order<mode>.
16978	(*branch_equality<mode>): Accept zero as the second operand to
16979	the equality operator.  Use the new mips_output_conditional_branch
16980	interface.
16981	(*branch_equality<mode>_inverted): Likewise.
16982	(condjump): New expander.
16983	* config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16984	operator.
16985	* config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16986	(bc1any2t, bc1any2f): Likewise.
16987	(single_cc): New expander.
16988	(*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16989
169902006-03-09  Richard Sandiford  <richard@codesourcery.com>
16991
16992	* doc/md.texi: Update documentation of MIPS constraints.
16993	* config/mips/constraints.md: New file.
16994	* config/mips/mips.md: Include it.
16995	* config/mips/mips.c (mips_char_to_class): Delete.
16996	(override_options): Don't initialize mips_char_to_class.
16997	* config/mips/mips.h (mips_char_to_class): Delete.
16998	(REG_CLASS_FROM_LETTER): Delete.
16999	(CONST_OK_FOR_LETTER_P): Delete.
17000	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
17001	(EXTRA_CONSTRAINT_Y): Delete.
17002	(EXTRA_CONSTRAINT_STR): Delete.
17003	(CONSTRAINT_LEN): Delete.
17004	(EXTRA_MEMORY_CONSTRAINT): Delete.
17005
170062006-03-09  Diego Novillo  <dnovillo@redhat.com>
17007
17008	* tree-cfg.c (move_block_to_fn): Remove the statements from the
17009	original fn's eh regions.
17010
170112006-03-09  Eric Botcazou  <ebotcazou@adacore.com>
17012
17013	* fold-const.c (build_range_check): Make sure to use a valid type to
17014	apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
17015	transformation.
17016
17017	(range_predecessor): New static function.
17018	(range_successor): Likewise.
17019	(merge_ranges): Use them to compute predecessors and successors of
17020	range bounds.
17021
170222006-03-09  Roger Sayle  <roger@eyesopen.com>
17023
17024	PR middle-end/26561
17025	* fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
17026	X op C3, consider whether C3 overflows towards +Inf or -Inf.
17027
170282006-03-08  DJ Delorie  <dj@redhat.com>
17029
17030	* config/m32c/addsub.md (addqi3): Disparage a0/a1.
17031	(addpsi3): Expand to include memory operands.  Remove
17032	reload-specific splits.
17033	* config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
17034	(andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
17035	(andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
17036	(andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
17037	(shift1_qi, shift1_hi, insv): New.
17038	* config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
17039	(cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
17040	cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
17041	cond_to_int): New.
17042	* config/m32c/m32c-protos.h: Update as needed.
17043	* config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
17044	default the Rcr, Rcl, Raw, and Ral constraints.  Add Ra0 and Ra1.
17045	Fail for unrecognized R* constraints.
17046	(m32c_cannot_change_mode_class): Be more picky about pseudos.
17047	(m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
17048	(m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
17049	Add Sp constraint.
17050	(m32c_init_libfuncs): New.
17051	(m32c_legitimate_address_p): Add debug wrapper.
17052	(m32c_rtx_costs): New.
17053	(m32c_address_cost): New.
17054	(conversions): Add 'B' prefix.
17055	(m32c_print_operand): 'h' and 'H' pick lower and upper halves of
17056	operands, or word regnames for QI operands.  'B' prints bit
17057	position.
17058	(m32c_expand_setmemhi): New.
17059	(m32c_expand_movmemhi): New.
17060	(m32c_expand_movstr): New.
17061	(m32c_expand_cmpstr): New.
17062	(m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
17063	(m32c_expand_neg_mulpsi3): Handle non-ints.
17064	(m32c_cmp_flg_0): New.
17065	(m32c_expand_movcc): New.
17066	(m32c_expand_insv): New.
17067	(m32c_scc_pattern): New.
17068	* config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS.  Take
17069	a0/a1 out of SIregs.
17070	(STORE_FLAG_VALUE): New.
17071	* config/m32c/m32c.md: Add unspecs for string moves.  Define various mode and
17072	code macros.
17073	(no_insn): New.
17074	* config/m32c/mov.md: Make constraints more liberal.
17075	(zero_extendqihi2): Optimize r0/r1 case.
17076	* config/m32c/muldiv.md (mulpsi3): Check for intvals.
17077	* config/m32c/predicates.md (m32c_any_operand): New.
17078	(m32c_nonimmediate_operand): New.
17079	(m32c_hl_operand): New.
17080	(m32c_r3_operand): New.
17081	(ap_operand): New.
17082	(ma_operand): New.
17083	(memsym_operand): New.
17084	(memimmed_operand): New.
17085	(a_qi_operand): New.
17086	(m32c_eqne_operator): New.
17087	(m32c_1bit8_operand): New.
17088	(m32c_1bit16_operand): New.
17089	(m32c_1mask8_operand): New.
17090	(m32c_1mask16_operand): New.
17091	* config/m32c/blkmov.md: New file.
17092	* config/m32c/t-m32c (MD_FILES): Add blkmov.
17093
170942006-03-08  Andreas Tobler  <a.tobler@schweiz.ch>
17095
17096	* dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
17097	unsigned to fix signed/unsigned comparison issue in
17098	DWARF2_FRAME_REG_OUT.
17099	(expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
17100	unsigned comparison issue in DWARF2_FRAME_REG_OUT.
17101
17102	* tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
17103	of ptr into the ENABLE_CHECKING section.
17104
171052006-03-08  Jeff Law  <law@redhat.com>
17106
17107	* tree-vrp.c (infer_value_range): Only count pointer uses
17108	and dereferences if -fdelete-null-pointer-checks is enabled.
17109
17110	* tree-vrp.c (find_assert_locations): Infer value ranges for
17111	single use pointers, but do not create ASSERT_EXPRs for them.
17112	When a non-null range is inferred for a pointer, backwards
17113	propagate that range to other equivalent pointers through the
17114	use-def chain.
17115
171162006-03-08  Paolo Bonzini  <bonzini@gnu.org>
17117
17118	PR bootstrap/26500
17119	* Makefile.in (dvi, html, install-info): Invoke the corresponding
17120	language hook targets.
17121	* ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
17122	objcp/Make-lang.in: Create stub rules for dvi, html, install-info
17123	if language hook targets were missing.
17124
171252006-03-07  Zdenek Dvorak <dvorakz@suse.cz>
17126
17127	* tree-ssa-opfinalize.h: Removed.
17128	* Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
17129	dependency.
17130	* tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
17131	(ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
17132	INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
17133	add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
17134	finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
17135	finalize_ssa_v_must_def_ops): New.
17136
171372006-03-07  Kenneth Zadeck <zadeck@naturalbridge.com>
17138
17139	* df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
17140	block as parameter.
17141
171422006-03-07  Geoffrey Keating  <geoffk@apple.com>
17143
17144	* varasm.c (assemble_end_function): Say that 'fnname' is unused.
17145
17146	* config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
17147	addresses with offsets; reorganize.
17148
17149	* dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
17150	(expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
17151	(expand_builtin_init_dwarf_reg_sizes): Likewise.
17152
171532006-03-08  David Billinghurst <David.Billinghurst@riotinto.com>
17154
17155	PR target/26588
17156	* config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
17157
171582006-03-08  Ben Elliston  <bje@au.ibm.com>
17159
17160	* config/fp-bit.h (CMPtype): Typedef to a word mode integer.
17161
171622006-03-07  Aldy Hernandez  <aldyh@redhat.com>
17163
17164	PR gomp/26238
17165	* doc/passes.texi (Tree-SSA passes): Document omp lowering and
17166	expansion.
17167
171682006-03-07  Richard Guenther  <rguenther@suse.de>
17169
17170	PR tree-optimization/26587
17171	* tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
17172
171732006-03-07  Richard Sandiford  <richard@codesourcery.com>
17174
17175	* varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
17176
171772006-03-07  Richard Sandiford  <richard@codesourcery.com>
17178
17179	* hooks.c (hook_bool_mode_rtx_true): New function.
17180	* hooks.h (hook_bool_mode_rtx_true): Declare.
17181	* toplev.c (compile_file): Call output_shared_constant_pool.
17182	* varasm.c (shared_constant_pool): New variable.
17183	(assemble_start_function, assemble_end_function): Remove arguments
17184	from call to output_constant_pool.
17185	(create_constant_pool): New function, split out from...
17186	(init_varasm_status): ...here.
17187	(force_const_mem): Choose between the shared and per-function constant
17188	pools.  Set current_function_uses_const_pool when reusing old entries
17189	as well as when creating new ones.
17190	(mark_constant): Ignore data argument.
17191	(mark_constants): Remove pool argument.
17192	(mark_constant_pool): Likewise.  Use current_function_uses_const_pool
17193	to decide whether the function uses a constant pool.
17194	(output_constant_pool_contents): New function, split out from...
17195	(output_constant_pool): ...here.
17196	(output_shared_constant_pool): New function.
17197	(init_varasm_once): Initialize shared_constant_pool.
17198	* output.h (output_constant_pool): Delete.
17199	(output_shared_constant_pool): Declare.
17200	* config/s390/s390-protos.h (s390_output_constant_pool): Delete.
17201	* config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
17202
172032006-03-06  Nick Clifton  <nickc@redhat.com>
17204
17205	* config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
17206	flag_strength_reduce.
17207
172082006-03-06  Ben Elliston  <bje@au.ibm.com>
17209
17210	* config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
17211	x86_64-*-linux* configurations.
17212
17213	* config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
17214	(LIBGCC2_WORDS_BIG_ENDIAN): Define.
17215
172162006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17217
17218	* tree-ssa-threadupdate.c (rediscover_loops_after_threading):
17219	Remove.
17220	* basic-block.h: Remove the extern for
17221	rediscover_loops_after_threading.
17222
17223	* cfgloop.c (cancel_loop): Make it static.
17224	* cfgloop.h: Remove the prototype for cancel_loop.
17225
17226	* flow.c (recompute_reg_usage): Make it static.
17227	* rtl.h: Remove the prototype for recompute_reg_usage.
17228
17229	* function.c (use_return_register): Make it static.
17230	* function.h: Remove the prototype.
17231
172322006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17233
17234	* recog.c (volatile_mem_p, validate_change_maybe_volatile):
17235	Remove.
17236	* recog.h: Remove the prototype for
17237	validate_change_maybe_volatile.
17238
172392006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17240
17241	* rtlanal.c (replace_reg): Remove.
17242	* rtl.h: Remove the prototype for replace_reg.
17243
172442006-03-05  Kazu Hirata  <kazu@codesourcery.com>
17245
17246	* regclass.c (reg_scan_update): Remove.
17247	(reg_scan_mark_refs): Remove the last argument.
17248	* rtl.h: Remove the prototype for reg_scan_update.
17249
172502006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17251
17252	* builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
17253	combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
17254	config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
17255	config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
17256	df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
17257	loop-invariant.c, omp-low.c, opts.c, passes.c,
17258	rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
17259	tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
17260	tree-ssa-structalias.c, tree-ssa-threadedge.c,
17261	tree-ssa-threadupdate.c, tree-vect-patterns.c,
17262	tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
17263	unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
17264
172652006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17266
17267	* dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
17268	* dwarf2out.h: Remove the prototype for
17269	dwarf2out_add_library_unit_info.
17270
172712006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17272
17273	* tree.c (add_var_to_bind_expr): Remove.
17274	* tree.h: Remove the prototype for add_var_to_bind_expr.
17275
172762006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17277
17278	* regclass.c (n_non_fixed_regs): Remove.
17279	(init_reg_sets_1, globalize_reg): Remove all uses of
17280	n_non_fixed_regs.
17281	* hard-reg-set.h: Remove the extern for n_non_fixed_regs.
17282
172832006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17284
17285	* rtlanal.c (insns_safe_to_move_p): Remove.
17286	* rtl.h: Remove the prototype for insns_safe_to_move_p.
17287
172882006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17289
17290	* expmed.c (expand_mult_add): Remove.
17291	* expr.h: Remove the prototype for expand_mult_add.
17292
172932006-03-04  Jakub Jelinek  <jakub@redhat.com>
17294
17295	* unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17296	and REG_SAVED_VAL_EXP constants.
17297	* unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17298	(_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17299	Handle regs stored by value.
17300	(_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17301	(execute_cfa_program): Handle DW_CFA_val_offset,
17302	DW_CFA_val_offset_sf and DW_CFA_val_expression.
17303	(uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17304	value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17305	(uw_install_context_1): Handle target regs stored by value.
17306
173072006-03-03  Daniel Berlin  <dberlin@dberlin.org>
17308
17309	* tree-sra.c (tree_sra): Return todoflags;
17310	(generate_one_element): Set TODO_update_smt_usage if needed.
17311	(pass_sra): Remove TODO_update_smt_usage.
17312	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17313	parameter.
17314	(tree_ssa_forward_propagate_single_use_vars): Return
17315	TODO_update_smt_usage if we need to update SMT usage.
17316	(pass_forwprop): Remove TODO_update_smt_usage.
17317
173182006-03-03  Diego Novillo  <dnovillo@redhat.com>
17319
17320	* tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
17321	(correct_use_link): Remove reference to get_stmt_operands.
17322	(update_stmt_operands): Likewise.
17323	(get_modify_expr_operands): New function factored out of
17324	parse_ssa_operands and get_expr_operands.
17325	Try to create V_MUST_DEFs for LHS by default.
17326	(get_expr_operands) <case MODIFY_EXPR>: Call
17327	get_modify_expr_operands.
17328	<case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
17329	<case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
17330	(parse_ssa_operands) <case MODIFY_EXPR>: Call
17331	get_modify_expr_operands.
17332
173332006-03-03  Kazu Hirata  <kazu@codesourcery.com>
17334
17335	* tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17336	* tree-flow.h: Remove the prototype for
17337	referenced_var_lookup_if_exists.
17338
173392006-03-03  Steve Ellcey  <sje@cup.hp.com>
17340
17341	PR rtl-optimization/26345
17342	PR target/19061
17343	* config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17344
173452006-03-03  Roger Sayle  <roger@eyesopen.com>
17346
17347	PR tree-optimization/26524
17348	* tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17349	fold_convert to create a constant of the appropriate type.
17350
173512006-03-03  Richard Sandiford  <richard@codesourcery.com>
17352
17353	* doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17354	SYMBOL_REF_IN_BLOCK_P.
17355	* doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17356	of SYMBOL_FLAG_IN_BLOCK.
17357	* gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17358	instead of SYMBOL_REF_IN_BLOCK_P.
17359	* explow.c (use_anchored_address): Likewise.
17360	* rtl.c (rtx_size): Likewise.
17361	* varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17362	instead of SYMBOL_FLAG_IN_BLOCK.
17363	(make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17364	SYMBOL_REF_IN_BLOCK_P.
17365	(assemble_variable): Likewise.
17366	(output_constant_def_contents): Likewise.
17367	(output_constant_pool): Likewise.
17368	(default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17369	instead of SYMBOL_FLAG_IN_BLOCK.
17370	* rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17371	SYMBOL_REF_IN_BLOCK_P.
17372	(SYMBOL_REF_BLOCK): Likewise.
17373	(SYMBOL_REF_OFFSET): Likewise.
17374	(BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17375	SYMBOL_REF_IN_BLOCK_P.
17376	(SYMBOL_FLAG_IN_BLOCK): Replace with...
17377	(SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17378	(SYMBOL_REF_IN_BLOCK_P): Replace with...
17379	(SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17380
173812006-03-03  Jakub Jelinek  <jakub@redhat.com>
17382
17383	* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17384
173852006-03-02  Roger Sayle  <roger@eyesopen.com>
17386
17387	* simplify-rtx.c (simplify_unary_operation): When simplifying
17388	(neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17389	that we perform the right shift in the appropriate mode, and
17390	then extend or truncate the result to requested mode.
17391
173922006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
17393
17394	* gengtype.c (main): Handle double_int type.
17395	* tree.h (struct tree_int_cst): Make type of int_cst double_int.
17396	* double-int.c: New file.
17397	* double-int.h: New file.
17398	* system.h: Include doubleint.h.
17399	* Makefile.in (SYSTEM_H): Include double-int.h.
17400	(double-int.o): Add.
17401
174022006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
17403
17404	PR bootstrap/26478
17405	* Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17406	copying over it.
17407
174082006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17409
17410	* tree-vrp.c (remove_range_assertions): Do not update statements
17411	unnecessarily.
17412
174132006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17414
17415	* cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17416	cleanup.
17417	* gcse.c (rest_of_handle_gcse): Ditto.
17418	* except.c (gate_handle_eh): Ditto.
17419	* cfgcleanup.c (rest_of_handle_jump2): Ditto.
17420	* basic-block.h (CLEANUP_PRE_LOOP): Remove.
17421
174222006-03-02  Eric Christopher  <echristo@apple.com>
17423
17424	* config/i386/i386.c (machopic_output_stub): Add indirection to
17425	jump.
17426
174272006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17428
17429	* loop.c: Removed.
17430
174312006-03-02  David S. Miller  <davem@sunset.davemloft.net>
17432
17433	Sun Niagara specific optimizations.
17434	* config.gcc: Recognize niagara as target.
17435	* config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17436	(TARGET_CPU_niagara): Define.
17437	(CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17438	(ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17439	(CPP_CPU_SPEC): Handle -mcpu=niagara.
17440	(ASM_CPU_SPEC): Likewise.
17441	(PROCESSOR_NIAGARA): New enum entry.
17442	(REGISTER_MOVE_COST): Handle Niagara.
17443	(BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17444	* config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17445	(sparc_override_options): Recognize "niagara", set appropriate
17446	default MASK_* values for it, and align functions to 32-bytes
17447	by default just like ULTRASPARC/ULTRASPARC3.
17448	(sparc_initialize_trampoline): Handle niagara like ultrasparc.
17449	(sparc64_initialize_trampoline): Likewise.
17450	(sparc_use_sched_lookahead): Use zero for niagara.
17451	(sparc_issue_rate): Use one for niagara.
17452	* config/sparc/niagara.md: New file.
17453	* config/sparc/sparc.md: Include it.
17454	* config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17455	ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17456	when default cpu is niagara.
17457	(CPP_CPU_SPEC): Handle -mcpu=niagara.
17458	(ASM_CPU_SPEC): Likewise.
17459	* config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17460	when default cpu is niagara.
17461	(ASM_CPU_SPEC): Handle -mcpu=niagara.
17462	* config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17463	just like v9/ultrasparc/ultrasparc3.
17464	* doc/invoke.texi: Add documentation for "niagara" and improve
17465	existing documentation for ultrasparc variants.
17466
174672006-03-02  Diego Novillo  <dnovillo@redhat.com>
17468
17469	* tree-ssa-operands.c (update_stmt_operands): Update documentation.
17470
174712006-03-02  Richard Sandiford  <richard@codesourcery.com>
17472
17473	* doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17474	(ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17475	and say that only one is needed.
17476	* doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17477	* target.h (have_switchable_bss_sections): New hook.
17478	* explow.c (use_anchored_address): Check that the symbol is in a block.
17479	* varasm.c (tls_comm_section, comm_section, lcomm_section)
17480	(bss_noswitch_section): New variables.
17481	(get_unnamed_section): Add SECTION_UNNAMED to the flags.
17482	(get_noswitch_section): New function.
17483	(get_block_for_section): Allow SECT to be null.
17484	(unlikely_text_section_p): Use SECTION_STYLE.
17485	(bss_initializer_p): New function.
17486	(get_variable_section): Move earlier in file.  Take a new argument,
17487	prefer_noswitch_p.  Move bss checks from assemble_variable to here.
17488	Return one of the new *_sections in such cases.
17489	(get_block_for_decl): New function, extracting some logic from
17490	use_blocks_for_decl_p.
17491	(change_symbol_section): Remove in favor of...
17492	(change_symbol_block): ...this new function.
17493	(use_blocks_for_decl_p): Remove checks now performed by
17494	get_block_for_decl.
17495	(make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17496	(ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17497	(emit_local, emit_bss, emit_common): ...these new functions.
17498	Return true if the alignment was honored.
17499	(emit_tls_common): New function.
17500	(asm_emit_uninitialised): Delete.
17501	(assemble_variable_noswitch): New function, split out from...
17502	(assemble_variable): ...here.  Don't make decisions about common
17503	variables here.  Globalize all public decls that go into non-common
17504	sections.  Check whether SYMBOL_REF_BLOCK is null.
17505	(output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17506	(output_constant_pool): Likewise.
17507	(init_varasm_once): Initialize the new section variables.
17508	(have_global_bss_p): New function.
17509	(categorize_decl_for_section): Use bss_initializer_p.
17510	(switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
17511	(place_block_symbol): Assert that the symbol must be in a block.
17512	* target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17513	(TARGET_INITIALIZER): Include it.
17514	* rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17515	* output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17516	(SECTION_MACH_DEP): Bump by two.
17517	(SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17518	(unnamed_section): Mention SECTION_UNNAMED in comment.
17519	(named_section): Likewise SECTION_NAMED.
17520	(noswitch_section_callback): New type.
17521	(noswitch_section): New structure.
17522	(section): Add a noswitch_section alternative.
17523	(SECTION_STYLE): New macro.
17524	(tls_comm_section, comm_section, lcomm_section): Declare.
17525	(bss_noswitch_section, have_global_bss_p): Declare.
17526	* config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17527	* config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17528	Override.
17529	* config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17530	* config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17531	Override.
17532
175332006-03-02  Daniel Berlin <dberlin@dberlin.org>
17534
17535	* tree-vrp.c (execute_vrp): Return value.
17536	* regrename.c (rest_of_handle_regrename): Ditto.
17537	* tree-into-ssa.c (rewrite_into_ssa): Ditto.
17538	* tree-complex.c (tree_lower_complex): Ditto.
17539	(tree_lower_complex_O0): Ditto.
17540	* tracer.c (rest_of_handle_tracer): Ditto.
17541	* postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17542	* postreload.c (rest_of_handle_postreload): Ditto.
17543	* tree-tailcall.c (execute_tail_recursion): Ditto.
17544	(execute_tail_calls): Ditto.
17545	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17546	* tree.h (init_function_for_compilation): Ditto.
17547	* ipa-cp.c (ipcp_driver): Ditto.
17548	* tree-scalar-evolution.c (scev_const_prop): Ditto.
17549	* tree-scalar-evolution.h (scev_const_prop): Ditto.
17550	* final.c (compute_alignments): Ditto.
17551	(rest_of_handle_final): Ditto.
17552	(rest_of_handle_shorten_branches): Ditto.
17553	(rest_of_clean_state): Ditto.
17554	* omp-low.c (execute_expand_omp): Ditto.
17555	(execute_lower_omp): Ditto.
17556	* tree-ssa-dse.c (tree_ssa_dse): Ditto.
17557	* ipa-reference.c (static_execute): Ditto.
17558	* tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17559	* reorg.c (rest_of_handle_delay_slots): Ditto.
17560	(rest_of_handle_machine_reorg): Ditto.
17561	* cgraphunit.c (rebuild_cgraph_edges): Ditto.
17562	* flow.c (recompute_reg_usage): Ditto.
17563	(rest_of_handle_remove_death_notes): Ditto.
17564	(rest_of_handle_life): Ditto.
17565	(rest_of_handle_flow2): Ditto.
17566	* tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17567	* tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17568	(do_ssa_store_ccp): Ditto.
17569	(execute_fold_all_builtins): Ditto.
17570	* mode-switching.c (rest_of_handle_mode_switching): Ditto.
17571	* modulo-sched.c (rest_of_handle_sms): Ditto.
17572	* ipa-pure-const.c (static_execute): Ditto.
17573	* cse.c (rest_of_handle_cse): Ditto.
17574	(rest_of_handle_cse2): Ditto.
17575	* web.c (rest_of_handle_web): Ditto.
17576	* tree-stdarg.c (execute_optimize_stdarg): Ditto.
17577	* tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17578	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17579	* tree-nrv.c (tree_nrv): Ditto.
17580	(execute_return_slot_opt): Ditto.
17581	* tree-ssa-alias.c (compute_may_aliases): Ditto.
17582	(create_structure_vars): Ditto.
17583	* loop-init.c (rtl_loop_init): Ditto.
17584	(rtl_loop_done): Ditto.
17585	(rtl_move_loop_invariants): Ditto.
17586	(rtl_unswitch): Ditto.
17587	(rtl_unroll_and_peel_loops): Ditto.
17588	(rtl_doloop): Ditto.
17589	* gimple-low.c (lower_function_body): Ditto.
17590	(mark_used_blocks): Ditto.
17591	* tree-ssa-sink.c (execute_sink_code): Ditto.
17592	* ipa-inline.c (cgraph_decide_inlining): Ditto.
17593	(cgraph_early_inlining): Ditto.
17594	* global.c (rest_of_handle_global_alloc): Ditto.
17595	* jump.c (cleanup_barriers): Ditto.
17596	(purge_line_number_notes): Ditto.
17597	* ifcvt.c (rest_of_handle_if_conversion): Ditto.
17598	(rest_of_handle_if_after_reload): Ditto.
17599	* tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17600	(tree_ssa_loop_im): Ditto.
17601	(tree_ssa_loop_unswitch): Ditto.
17602	(tree_vectorize): Ditto.
17603	(tree_linear_transform): Ditto.
17604	(tree_ssa_loop_ivcanon): Ditto.
17605	(tree_ssa_empty_loop): Ditto.
17606	(tree_ssa_loop_bounds): Ditto.
17607	(tree_complete_unroll): Ditto.
17608	(tree_ssa_loop_prefetch): Ditto.
17609	(tree_ssa_loop_ivopts): Ditto.
17610	(tree_ssa_loop_done): Ditto.
17611	* predict.c (tree_estimate_probability): Ditto.
17612	* recog.c (split_all_insns_noflow): Ditto.
17613	(rest_of_handle_peephole2): Ditto.
17614	(rest_of_handle_split_all_insns): Ditto.
17615	* tree-eh.c (lower_eh_constructs): Ditto.
17616	* regmove.c (rest_of_handle_regmove): Ditto.
17617	(rest_of_handle_stack_adjustments): Ditto.
17618	* local-alloc.c (rest_of_handle_local_alloc): Ditto.
17619	* function.c (instantiate_virtual_regs): Ditto.
17620	(init_function_for_compilation): Ditto.
17621	(rest_of_handle_check_leaf_regs): Ditto.
17622	* gcse.c (rest_of_handle_jump_bypass): Ditto.
17623	(rest_of_handle_gcse): Ditto.
17624	* ipa-type-escape.c (type_escape_execute): Ditto.
17625	* alias.c (rest_of_handle_cfg): Ditto.
17626	* tree-if-conv.c (main_tree_if_conversion): Ditto.
17627	* profile.c (rest_of_handle_branch_prob): Ditto.
17628	* tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17629	* rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17630	* bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17631	* tree-dfa.c (find_referenced_vars): Ditto.
17632	* except.c (set_nothrow_function_flags): Ditto.
17633	(convert_to_eh_region_ranges): Ditto.
17634	(rest_of_handle_eh): Ditto.
17635	* emit-rtl.c (unshare_all_rtl): Ditto.
17636	(remove_unnecessary_notes): Ditto.
17637	* except.h (set_nothrow_function_flags): Ditto.
17638	(convert_to_eh_region_ranges): Ditto.
17639	* cfgexpand.c (tree_expand_cfg): Ditto.
17640	* tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17641	* tree-ssa-pre.c (do_pre): Ditto.
17642	(execute_fre): Ditto.
17643	* cfgcleanup.c (rest_of_handle_jump): Ditto.
17644	(rest_of_handle_jump2): Ditto.
17645	* tree-sra.c (tree_sra): Ditto.
17646	* tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17647	(execute_mudflap_function_decls): Ditto.
17648	* tree-ssa-copy.c (do_copy_prop): Ditto.
17649	(do_store_copy_prop): Ditto.
17650	* ipa-prop.h (ipcp_driver): Ditto.
17651	* cfglayout.c (insn_locators_initialize): Ditto.
17652	* tree-ssa-forwprop.c
17653	(tree_ssa_forward_propagate_single_use_vars): Ditto.
17654	* cfglayout.h (insn_locators_initialize): Ditto.
17655	* tree-ssa-dce.c (tree_ssa_dce): Ditto.
17656	* tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17657	(execute_late_warn_uninitialized): Ditto.
17658	* rtl.h (cleanup_barriers): Ditto.
17659	(split_all_insns_noflow): Ditto.
17660	(purge_line_number_notes): Ditto.
17661	(unshare_all_rtl): Ditto.
17662	(remove_unnecessary_notes): Ditto.
17663	(recompute_reg_usage): Ditto.
17664	(variable_tracking_main): Ditto.
17665	* integrate.c (emit_initial_value_sets): Ditto.
17666	* integrate.h (emit_initial_value_sets): Ditto.
17667	* tree-optimize.c (execute_free_datastructures): Ditto
17668	(execute_free_cfg_annotations): Ditto.
17669	(execute_fixup_cfg): Ditto.
17670	(execute_cleanup_cfg_pre_ipa): Ditto.
17671	(execute_cleanup_cfg_post_optimizing): Ditto.
17672	(execute_init_datastructures): Ditto.
17673	* tree-object-size.c (compute_object_sizes): Ditto.
17674	* combine.c (rest_of_handle_combine): Ditto.
17675	* tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17676	* bb-reorder.c (duplicate_computed_gotos): Ditto.
17677	(rest_of_handle_reorder_blocks): Ditto.
17678	(rest_of_handle_partition_blocks): Ditto.
17679	* var-tracking.c (variable_tracking_main): Ditto.
17680	* tree-profile.c (tree_profiling): Ditto.
17681	* tree-vect-generic.c (expand_vector_operations): Ditto.
17682	* reg-stack.c (rest_of_handle_stack_regs): Ditto.
17683	* sched-rgn.c (rest_of_handle_sched): Ditto.
17684	(rest_of_handle_sched2): Ditto.
17685	* basic-block.h (free_bb_insn): Ditto.
17686	* tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17687	* tree-cfg.c (execute_build_cfg): Ditto.
17688	(remove_useless_stmts): Ditto.
17689	(split_critical_edges): Ditto.
17690	(execute_warn_function_return): Ditto.
17691	(execute_warn_function_noreturn): Ditto.
17692	* tree-ssa-reassoc.c (execute_reassoc): Ditto.
17693	* cfgrtl.c (free_bb_for_insn): Ditto.
17694	* passes.c (execute_one_pass): Run additional
17695	todos returned by execute function.
17696	* tree-pass.h (struct tree_opt_pass): Make execute
17697	return a value.
17698
176992006-03-02  Richard Guenther  <rguenther@suse.de>
17700
17701	* tree-ssa-alias.c (find_used_portions): Consider taking
17702	the address as making the variable not write-only.
17703
177042006-03-02  Nick Clifton  <nickc@redhat.com>
17705
17706	* config.gcc (default_use_cxa_atexit): Extend the description of
17707	this configure variable.  Set its default value to "yes" for
17708	Linux, NetBSD and ELF targets on the assumption that they will
17709	use C libraries with the __cxa_atexit function.
17710
177112006-03-02  Ben Elliston  <bje@au.ibm.com>
17712
17713	* config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17714	parameter as unused to suppress a build warning.
17715
177162006-03-02  Ben Elliston  <bje@au.ibm.com>
17717
17718	* mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17719	config/dfp-bit.c.
17720
177212006-03-01  Roger Sayle  <roger@eyesopen.com>
17722
17723	PR other/26489
17724	* gthr-posix.h (__gthrw2): Define to take three parameters, the
17725	declared name, the weak reference name, and the typeof name.
17726	(__gthrw): Avoid expanding the declared name suffix.
17727	(__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17728
177292006-03-01  Jakub Jelinek  <jakub@redhat.com>
17730
17731	* dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17732	from DWARF 3.
17733	(DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17734	DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17735	DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17736	DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17737	DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17738	(DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17739	(DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17740	DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17741	(DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17742	DW_DS_leading_separate, DW_DS_trailing_separate): New.
17743	(DW_END_default, DW_END_big, DW_END_little): New.
17744	(DW_END_lo_user, DW_END_hi_user): Define.
17745	(DW_LNE_lo_user, DW_LNE_hi_user): Define.
17746	(DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17747	(DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17748	DW_LANG_D): New.
17749
177502006-03-01  Diego Novillo  <dnovillo@redhat.com>
17751
17752	* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17753	Update all users.
17754	* tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17755	Update all users.
17756	(TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17757	Update all users.
17758	* tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17759	Update all users.
17760	* tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17761	to 'symbol_mem_tag'.
17762	Update all users.
17763	* doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17764	rename.
17765
177662006-03-01  Roger Sayle  <roger@eyesopen.com>
17767
17768	* builtins.c (fold_builtin_copysign): Delete unreachable code.
17769
177702006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17771
17772	PR target/25761
17773	* config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17774	MACHO_DYNAMIC_NO_PIC_P.
17775	(MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17776
177772006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17778
17779	PR target/26389
17780	* config/darwin-protos.h (darwin_asm_output_anchor):
17781	Declare.
17782	* config/darwin-sections.def (cstring_section):
17783	Add SECTION_MERGE to the flags.
17784	(literal4_section): Likewise.
17785	(literal8_section): Likewise.
17786	(objc_selector_refs_section): Likewise.
17787	(objc_cls_refs_section): Likewise.
17788	* config/darwin.c (darwin_asm_output_anchor): New
17789	function.
17790	* config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17791
177922006-03-01  Daniel Berlin  <dberlin@dberlin.org>
17793
17794	Fix PR tree-optimization/26443
17795	* tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17796	to todo and PROP_tmt_usage to properties_destroyed.
17797	* tree-ssa-ccp.c (pass_ccp): Ditto.
17798	(pass_store_ccp): Ditto.
17799	* tree-ssa-dom.c (pass_dominator): Ditto.
17800
178012006-03-01  Diego Novillo  <dnovillo@redhat.com>
17802
17803	* tree-ssa-operands.c: Cleanup whitespace.
17804	(get_asm_expr_operands): Move before first invocation.
17805	(get_indirect_ref_operands): Likewise.
17806	(get_tmr_operands): Likewise.
17807	(get_call_expr_operands): Likewise.
17808	(append_def): Likewise.
17809	(append_use): Likewise.
17810	(append_v_may_def): Likewise.
17811	(append_v_must_def): Likewise.
17812	(add_call_clobber_ops): Likewise.
17813	(add_call_read_ops): Likewise.
17814	(add_stmt_operand): Likewise.
17815	(add_virtual_operand): Likewise.
17816	(build_ssa_operands): Likewise.
17817
178182006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17819
17820	PR middle-end/26022
17821	Revert:
17822	PR middle-end/24437
17823	* tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17824	with a call expr to ...
17825	* fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17826
178272006-03-01  Diego Novillo  <dnovillo@redhat.com>
17828
17829	* tree-vrp.c (extract_range_from_assert): Remove special
17830	handling for types with super-types.
17831
178322006-03-01  Ben Elliston  <bje@au.ibm.com>
17833
17834	* config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17835	and powerpc64-*-linux* configurations.
17836	* config/t-dfprules: New file.
17837
17838	* mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17839	Compile dfp-bit.c from the source directory using -DWIDTH and
17840	$DFP_CFLAGS to control the compilation of that file, rather than
17841	generating width-specific versions in the build directory.
17842	* Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17843	(LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17844
178452006-02-28  Zack Weinberg  <zackw@panix.com>
17846
17847	* doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17848	continues to work.
17849
178502006-02-28  Eric Christopher  <echristo@apple.com>
17851
17852	* config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17853	Set up IN_LIBGCC definition of TARGET_64BIT.
17854	* config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17855
178562006-02-28  Roger Sayle  <roger@eyesopen.com>
17857
17858	PR middle-end/14752
17859	* c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17860	BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
17861	cases via the construction of "expr != 0".
17862
178632006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17864
17865	* alias.c (alias_invariant, alias_invariant_size): Remove.
17866	(record_base_value): Remove.
17867	(memrefs_conflict_p): Don't look at alias_invariant.
17868	(end_alias_analysis): Don't free it.
17869	* alias.h (record_base_value): Remove prototype.
17870
178712006-02-28  Paolo Bonzini  <bonzini@gnu.org>
17872	    Adam Nemet  <anemet@caviumnetworks.com>
17873
17874	* rtl.h (truncated_to_mode): Declare it.
17875	(struct rtl_hooks): Add reg_truncated_to_mode hook.
17876	* rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17877	(RTL_HOOKS_INITIALIZER): Include it.
17878	* rtlhooks.c (reg_truncated_to_mode_general): New function.
17879	* combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17880	reg_truncated_to_mode.
17881	* rtlanal.c (truncated_to_mode): Define it.
17882	* simplify-rtx.c (simplify_unary_operation_1): Use it.
17883
178842006-02-28  Jeff Law  <law@redhat.com>
17885
17886	* tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17887	conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17888	the range allowed by TYPE_PRECISION.
17889
17890	* tree.h (strct phi_arg_d): Remove unused NONZERO field.
17891
178922006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
17893
17894	PR tree-optimization/26419
17895	* doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17896	values of n.
17897
178982006-02-27  Zack Weinberg  <zackw@panix.com>
17899
17900	* doc/md.texi: Fix typo in previous change.
17901
179022006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
17903
17904	* df.c: Remove.
17905
179062006-02-27  Zack Weinberg  <zackw@panix.com>
17907
17908	* rtl.def (define_constraint, define_register_constraint)
17909	(define_memory_constraint, define_address_constraint): New MD forms.
17910	* gensupport.c (process_rtx): Put define_constraint etc on the
17911	predicate queue.
17912	* genpreds.c (process_define_predicate): Adjust comment.  Validate
17913	the name, and call validate_exp to validate the expression.
17914	(mark_mode_tests, write_extract_subexp): Can assume correct input.
17915	(write_predicate_expr): Likewise.  NAME argument no longer necessary;
17916	all callers changed.
17917	(validate_exp, needs_variable, struct constraint_data)
17918	(constraints_by_letter_table, first_constraint, last_constraint_ptr)
17919	(FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17920	(const_dbl_constraints, constraint_max_namelen)
17921	(have_register_constraints, have_memory_constraints)
17922	(have_address_constraints, have_address_constraints)
17923	(have_extra_constraints, have_const_int_constraints)
17924	(have_const_dbl_constraints, mangle, add_constraint)
17925	(process_define_constraint, process_define_register_constraint)
17926	(write_enum_constraint_num, write_lookup_constraint)
17927	(write_insn_constraint_len, write_regclass_for_constraint)
17928	(write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17929	(write_insn_extra_memory_constraint)
17930	(write_insn_extra_address_constraint)
17931	(write_satisfies_constraint_fns): New.
17932	(write_tm_preds_h): If we have new-style constraint definitions,
17933	prototype the functions generated from them, and define the
17934	old constraint interface (still used by generic code) in terms of
17935	those functions.
17936	(write_insn_preds_c): If we have new-style constraint definitions,
17937	generate all relevant functions from those definitions.
17938	(main): Handle define_constraint etc.
17939	* genoutput.c (struct constraint_data, indep_constraints)
17940	(mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17941	(mdep_constraint_len): New data structures and functions, defined
17942	#ifdef USE_MD_CONSTRAINTS.
17943	(check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17944	(validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17945	use new logic to validate operand constraints against constraint
17946	definitions.
17947	(main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17948	defined.
17949	* defaults.h: If none of the old-style constraint macros are
17950	defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17951	old-style macros; and poison REG_CLASS_FROM_LETTER,
17952	CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17953	EXTRA_CONSTRAINT.
17954	* recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17955	* doc/md.texi: Document new constraint-definition mechanism and the
17956	C interface it provides.  Remove references to old mechanism
17957	elsewhere in the document.
17958	(Machine Constraints): Use pathnames relative to gcc directory,
17959	i.e. config/ARCH/FILE.  Change i386 section to refer to
17960	config/i386/predicates.md; update that section to match docstrings.
17961	* doc/tm.texi: Move all documentation of the old constraint-
17962	definition macros to their own section, clearly mark as obsolete.
17963
17964	* config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17965	(u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17966	definitions.
17967	* config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17968	(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17969	* config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17970	constraint strings.
17971	(splits and peepholes): Use satisfies_constraint_*.
17972	* config/i386/i386.c (memory_address_length)
17973	(ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17974
179752006-02-27  Daniel Berlin  <dberlin@dberlin.org>
17976
17977	* lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17978	scalar operation to be put back into the loop.
17979
179802006-02-27  Jakub Jelinek  <jakub@redhat.com>
17981
17982	PR other/26208
17983	* unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17984	(extract_cie_info): Handle S flag in augmentation string.
17985	(execute_cfa_program): If context->signal_frame, execute also
17986	fs->pc == context->ra instructions.
17987	(uw_frame_state_for): If context->signal_frame, don't subtract one
17988	from context->ra to find FDE.
17989	(uw_update_context_1): Set context->signal_frame to
17990	fs->signal_frame.
17991	(_Unwind_GetIPInfo): New function.
17992	* unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17993	* unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17994	of _Unwind_GetIP.
17995	* unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17996	* unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17997	* unwind-compat.c (_Unwind_GetIPInfo): New function.
17998	* libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17999	* config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
18000	* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
18001	* config/i386/linux-unwind.h (x86_fallback_frame_state,
18002	x86_64_fallback_frame_state): Set fs->signal_frame.
18003	* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
18004	(MD_FROB_UPDATE_CONTEXT): Define unconditionally.
18005	(frob_update_context): Likewise.  Workaround missing S flag in
18006	Linux 2.6.12 - 2.6.16 kernel vDSOs.
18007	* config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
18008	Remove the psw_addr + 1 hack.
18009
180102006-02-27  Daniel Berlin  <dberlin@dberlin.org>
18011
18012	* tree-ssa-structalias.c (get_constraint_for): Move code to deal
18013	with aggregates here.
18014	(find_func_aliases): Remove code for &<aggregate> from here.
18015
180162006-02-26  Roger Sayle  <roger@eyesopen.com>
18017
18018	* fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
18019	(X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
18020	Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
18021	as (X & C) ne/eq 0.
18022
180232006-02-26  Roger Sayle  <roger@eyesopen.com>
18024
18025	PR middle-end/19983
18026	* real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
18027
180282006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
18029
18030	* opts.c (decode_options): Do not handle flag_strength_reduce.
18031	(common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
18032	and OPT_fstrength_reduce.
18033	* tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
18034	flag_prefetch_loop_arrays for being nonzero.
18035	* common.opt (floop-optimize, frerun-loop-opt): Resurrected as
18036	no-ops.
18037	(fprefetch-loop-arrays-rtl): Removed.
18038	(flag_prefetch_loop_arrays): Do not specify the value.
18039
18040	* doc/passes.texi: Update documentation of loop optimizer
18041	passes.
18042	* doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
18043	-frerun-loop-opt): Remove.
18044
180452006-02-26  Richard Guenther  <rguenther@suse.de>
18046
18047	PR tree-optimization/26421
18048	* tree-ssa-alias.c (find_used_portions): Don't treat parameters
18049	in function calls that are ADDR_EXPRs as using the whole structure.
18050
180512006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
18052
18053	* common.opt (-floop-optimize, -frerun-loop-opt): Remove.
18054	* tree-pass.h (pass_loop_optimize): Remove.
18055	* passes.c (pass_loop_optimize): Never run it.
18056	* toplev.c (backend_init): Don't call init_loop.
18057	* opts.c (flag_loop_optimize_set): Remove.
18058	(decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
18059	(common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
18060	the old RTL loop optimizer when profiling enabled.
18061	* predict.c (tree_estimate_probability): Always strip builtin_expect.
18062	* cfgcleanup.c (try_forward_edges): Don't avoid killing loop
18063	pre-headers for the sake of the old RTL loop optimizer.
18064	* Makefile.in: Remove all references to loop.o.
18065
18066	* doc/invoke.texi: Remove all references to -floop-optimize
18067	and -frerun-loop-opt.
18068
180692006-02-26  Zack Weinberg  <zackw@panix.com>
18070
18071	* doc/md.texi (Machine Constraints): Refer to all files with paths
18072	relative to gcc directory (i.e. config/CPU/file).  Add missing
18073	@table @code ... @end table to M32C subsection.
18074
180752006-02-26  Roger Sayle  <roger@eyesopen.com>
18076
18077	* fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
18078	(X & 1) == 0.
18079	<BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
18080
180812006-02-26  Roger Sayle  <roger@eyesopen.com>
18082	    James A. Morrison  <phython@gcc.gnu.org>
18083
18084	PR middle-end/21137
18085	* fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
18086	when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
18087	new constant C2<<C1, or as (X<0) or (X,false) depending upon the
18088	signedness of the shift operation.
18089
180902006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
18091
18092	PR tree-optimization/26359
18093	* tree-ssa-alias.c (new_type_alias): Set fields for new tag.
18094
180952006-02-25  Roger Sayle  <roger@eyesopen.com>
18096
18097	* simplify-rtx.c (simplify_relational_operation_1): Simplify
18098	(X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
18099	as X == 0, and some symmetry related transformations.
18100	Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
18101
181022006-02-25  Roger Sayle  <roger@eyesopen.com>
18103
18104	PR middle-end/23673
18105	* fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
18106	and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
18107	symmetry related transformations.  Fold (X^C1) == C2 as
18108	X == (C1^C2).
18109
181102006-02-25  Juergen Weigert  <jw@suse.de>
18111	Richard Guenther  <rguenther@suse.de>
18112
18113	* scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
18114
181152006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
18116
18117	* combine.c (gen_lowpart_or_truncate): Call
18118	simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
18119
181202006-02-24  Diego Novillo  <dnovillo@redhat.com>
18121
18122	* doc/invoke.texi: Move -fopenmp description to "Options for
18123	Code Generation".
18124	Remove reference to -lgomp.
18125
181262006-02-24  David Edelsohn  <edelsohn@gnu.org>
18127
18128	* doc/install.texi: Require GNU tar version 1.14.
18129
181302006-02-24  Geoffrey Keating  <geoffk@apple.com>
18131
18132	* doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
18133	* doc/invoke.texi (C++ Dialect Options): Document
18134	-fno-use-cxa-get-exception-ptr.
18135	* configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
18136	* configure: Regenerate.
18137	* c.opt (fuse-cxa-get-exception-ptr): New.
18138	* c-opts.c (c_common_handle_option): Handle
18139	OPT_fuse_cxa_get_exception_ptr.
18140	* c-common.c (flag_use_cxa_atexit): Update documentation.
18141	(flag_use_cxa_get_exception_ptr): New.
18142	* c-common.h (flag_use_cxa_get_exception_ptr): New.
18143	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
18144	documentation.
18145	(C_COMMON_OVERRIDE_OPTIONS): New.
18146
181472006-02-24  Roger Sayle  <roger@eyesopen.com>
18148
18149	PR middle-end/24952
18150	* combine.c (try_combine): Explicitly check whether GET_CODE is
18151	a SET or a CLOBBER, instead on checking that it isn't a USE.
18152
181532006-02-24  Roger Sayle  <roger@eyesopen.com>
18154
18155	* fold-const.c (fold_comparison): New subroutine of fold_binary
18156	containing transformations common to both the equality and
18157	ordering relational operators, factored out of fold_binary.
18158	(fold_binary): Separate out the equality operators (EQ_EXPR
18159	and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
18160	LE_EXPR and GE_EXPR), calling fold_comparison to perform the
18161	transformations common to both.
18162	(fold_div_compare): Fix latent bugs in the previously unreachable
18163	LT_EXPR and GE_EXPR cases.
18164
181652006-02-24  David Edelsohn  <edelsohn@gnu.org>
18166
18167	* config/rs6000/rs6000.c (rs6000_init_builtins): Change
18168	decl libname for clog to __clog on AIX.
18169
18170	* config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
18171
181722006-02-24  Alan Modra  <amodra@bigpond.net.au>
18173
18174	PR target/26453
18175	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
18176	output traceback table for thunks.  Localise rs6000_stack_info call.
18177
181782006-02-23  Roger Sayle  <roger@eyesopen.com>
18179	    Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
18180
18181	* gthr-posix.h (__gthrw): Fix typo in comment.
18182
181832006-02-23  Geoffrey Keating  <geoffk@apple.com>
18184
18185	* doc/cpp.texi (Character sets): Document that we do support
18186	input files to be in any character set.
18187
181882006-02-23  Jeff Law  <law@redhat.com>
18189
18190	* tree.h (PHI_ARG_NONZERO): Remove.
18191	* tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
18192	(remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
18193	node to the new node.
18194
18195	PR tree-optimization/26425
18196	* tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
18197	min/max, then assume its varying.
18198
181992006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
18200
18201	PR rtl-optimization/26316
18202	* rtlanal.c (enum may_trap_p_flags): New.
18203	(may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
18204	MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
18205	(may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
18206	(may_trap_after_code_motion_p): New function.
18207	* loop-invariant.c (find_identical_invariants): Fix dump formating.
18208	(find_invariant_insn): Use may_trap_after_code_motion_p.
18209	* rtl.h (may_trap_after_code_motion_p): Declare.
18210
182112006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
18212
18213	* emit-rtl.c (immed_double_const): Cleanup.
18214
182152006-02-23  Daniel Berlin  <dberlin@dberlin.org>
18216
18217	Fix PR tree-optimization/26376
18218	* tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
18219	remove assert.
18220
182212006-02-23  Jakub Jelinek  <jakub@redhat.com>
18222
18223	PR middle-end/26412
18224	* gimplify.c (omp_add_variable): Guard variable size decl test with
18225	DECL_SIZE (decl) check.
18226
182272006-02-23  Richard Guenther  <rguenther@suse.de>
18228
18229	PR middle-end/26439
18230	* tree-ssa-structalias.c (find_func_aliases): Handle complex types
18231	like aggregate types.
18232
182332006-02-23  Jakub Jelinek  <jakub@redhat.com>
18234
18235	* configure.ac: Add --with{,out}-long-double-128 configure option.
18236	(TARGET_DEFAULT_LONG_DOUBLE_128): New test.
18237	* configure: Rebuilt.
18238	* config.in: Rebuilt.
18239	* doc/install.texi (Options specification): Document
18240	--with-long-double-128.
18241
18242	* config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18243	(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18244	* config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18245	(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18246
182472006-02-23  Aldy Hernandez  <aldyh@redhat.com>
18248
18249	* config/s390/s390.c (override_options): Handle
18250	TARGET_DEFAULT_LONG_DOUBLE_128.
18251
18252	* config/alpha/alpha.c (override_options): Handle
18253	TARGET_DEFAULT_LONG_DOUBLE_128.
18254
18255	* config/sparc/sparc.c (sparc_override_options): Handle
18256	TARGET_DEFAULT_LONG_DOUBLE_128.
18257
182582006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
18259
18260	* Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
18261	(real-install-headers-tar, real-install-headers-cpio)
18262	(real-install-headers-cp): New targets.
18263
182642006-02-22  Richard Sandiford  <richard@codesourcery.com>
18265
18266	* tree.h (variable_section): Delete.
18267	* varasm.c (variable_section): Delete.
18268
182692006-02-22  Paolo Bonzini  <bonzini@gnu.org>
18270
18271	* install.texi: Add notes on install.texi2html.
18272	(Building in parallel): Do not use footnotes.
18273
182742006-02-21  Aldy Hernandez  <aldyh@redhat.com>
18275
18276	PR libgomp/26234
18277	* doc/install.texi (Configuration): Document --disable-libgomp.
18278
182792006-02-21  Geoffrey Keating  <geoffk@apple.com>
18280
18281	* config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
18282
182832006-02-21  Alexandre Oliva  <aoliva@redhat.com>
18284
18285	* config/i386/sse.md (vec_extractv2df_1_sse): New.
18286	(vec_extractv2df_0_sse): New.
18287
182882006-02-21  Alexandre Oliva  <aoliva@redhat.com>
18289
18290	* defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18291	* config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18292	* doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18293	* dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
18294	to the result of the expression.
18295	(def_cfa_1): Adjust.
18296	(frame_pointer_cfa_offset): Rename to...
18297	(frame_pointer_fb_offset): ... this.  Adjust all uses.
18298	(convert_cfa_to_loc_list): Rename to...
18299	(convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
18300	Pass it on to build_cfa_loc.
18301	(compute_frame_pointer_to_cfa_displacement): Rename to...
18302	(compute_frame_pointer_to_fb_displacement): ... this.  New
18303	offset parameter.  Use it in computation.
18304	(gen_subprogram_die): Compute cfa_fb_offset with the new
18305	macro, and use it to compute the fb loc list and the
18306	displacement.
18307
183082006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
18309
18310	* config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
18311	replaced with register_operand.
18312	* config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18313	non-DREG is expensive.
18314	* config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18315	* config/bfin/bfin.md (movbi): Fix constraints and template for moves
18316	involving memory.
18317
183182006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
18319
18320	* doc/install.texi2html: Use set -e.
18321
183222006-02-21  Richard Sandiford  <richard@codesourcery.com>
18323
18324	* doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18325	(ASM_OUTPUT_SHARED_LOCAL): Delete.
18326	* doc/invoke.texi (-fshared-data): Delete.
18327	* common.opt (fshared-data): Delete.
18328	* varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18329	(assemble_static_space): Remove #if 0 code.
18330	* system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18331	(ASM_OUTPUT_SHARED_LOCAL): Poison.
18332	* config/cris/cris.h: Remove FIXME.
18333
183342006-02-21  Paolo Bonzini  <bonzini@gnu.org>
18335
18336	* doc/sourcebuild.texi (Front End Directory): No more double-colon
18337	hooks.
18338
183392006-02-21  Jakub Jelinek  <jakub@redhat.com>
18340
18341	PR middle-end/26379
18342	* combine.c (simplify_shift_const_1): Disable nested shifts
18343	optimization for vector shifts.
18344
183452006-02-20  Roger Sayle  <roger@eyesopen.com>
18346
18347	PR tree-optimization/26361
18348	* tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18349	of unsigned integer types.
18350
183512006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
18352
18353	* tree-chrec.c (eq_evolutions_p): New.
18354	* tree-chrec.h (eq_evolutions_p): Declared.
18355	* tree-data-ref.c: Fix formatting.
18356	(datadep_stats, dependence_stats): New.
18357	(gcd): Moved...
18358	(print_direction_vector): New.
18359	(dump_data_dependence_relation): Use print_direction_vector.
18360	(object_analysis, create_data_ref): Handle COMPONENT_REF.
18361	(compute_subscript_distance): Static.
18362	(initialize_data_dependence_relation): Static.  Get the number
18363	of loops surrounding the references from the callers, and initialize
18364	DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
18365	base_object_differ_p analyzers.
18366	(analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18367	compute_overlap_steps_for_affine_1_2,
18368	analyze_subscript_affine_affine): Count the classified dependences.
18369	Print a message when a test failed.
18370	(can_use_analyze_subscript_affine_affine): New.
18371	(analyze_siv_subscript): Compute the data dependences on symbolic
18372	scevs that verify can_use_analyze_subscript_affine_affine.
18373	(chrec_steps_divide_constant_p): Returns true, false, or unknown.
18374	(analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18375	Handle symbolic scevs.
18376	(analyze_overlapping_iterations): Let symbolic affine scevs to be
18377	analyzed.
18378	(subscript_dependence_tester): Moved...
18379	(build_classic_dist_vector, build_classic_dir_vector): Don't use
18380	lambda_vector_clear on newly allocated vectors.  Get nb_loops from
18381	DDR_SIZE_VECT instead of getting it in parameter.
18382	(subscript_dependence_tester): ... here.  Take as a parameter
18383	loop_nest_depth.  Call build_classic_dist_vector and
18384	build_classic_dir_vector.
18385	(compute_affine_dependence): Update subscript_dependence_tester
18386	parameters.  Update datadep_stats counters.  Call
18387	compute_subscript_distance.
18388	(compute_self_dependence): Save the dist and dir vectors.  Call
18389	compute_subscript_distance.
18390	(ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18391	(compute_all_dependences): Reorder parameters as they were before
18392	conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
18393	compute_subscript_distance.  Update the use of
18394	compute_affine_dependence and initialize_data_dependence_relation.
18395	(find_data_references_in_loop): Handle COMPONENT_REF.
18396	(compute_data_dependences_for_loop): Initialize dependence_stats.
18397	Don't call build_classic_dist_vector and build_classic_dir_vector.
18398	Update the parameters of initialize_data_dependence_relation and
18399	compute_all_dependences.  Print the statistics from datadep_stats.
18400	(analyze_all_data_dependences): Static.  Not used until the pass for
18401	checking the data dependences is contributed.
18402	* tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18403	DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18404	(initialize_data_dependence_relation, compute_affine_dependence,
18405	analyze_all_data_dependences, compute_subscript_distance): Removed.
18406	(print_direction_vector): New.
18407	* lambda.h (gcd): ... here.
18408	(lambda_vector_gcd): Moved here from gcd_vector.
18409	* lambda-code.c (gcd, gcd_vector): Removed.
18410	(lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
18411	* Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18412
184132006-02-20  Diego Novillo  <dnovillo@redhat.com>
18414
18415	* ipa-type-escape.c: Tidy some comments and white space.
18416	* tree-ssa-operands.c: Likewise.
18417
184182006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
18419
18420	PR tree-opt/25879
18421	* tree-pretty-print.c (debug_tree_chain): Walk the chains.
18422	(dump_decl_name): Do not walk the decl tree chains.
18423	* tree-pass.h (TDF_CHAIN): Remove.
18424
184252006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
18426
18427	* Makefile.in (C): Remove
18428	(PROTO): Remove
18429	(.PHONY): Remove C and PROTO
18430
184312006-02-20  Roger Sayle  <roger@eyesopen.com>
18432
18433	PR middle-end/26236
18434	* doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18435	deprecated CHAR_TYPE tree code.
18436
184372006-02-20  Paolo Bonzini  <bonzini@gnu.org>
18438
18439	* configure.ac (target_list): Add install-info, dvi, html.
18440	* configure: Regenerate.
18441
18442	* ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18443	java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18444	treelang/Make-lang.in: Do not use double-colon rules.
18445
184462006-02-20  Daniel Berlin  <dberlin@dberlin.org>
18447
18448	* tree.h (struct tree_memory_tag): Add is_used_alone member.
18449	(TMT_USED_ALONE): New macro.
18450	* tree-pass.h (PROP_tmt_usage): New property.
18451	(TODO_update_tmt_usage): New todo.
18452	* tree-ssa-alias.c (updating_used_alone): New variable.
18453	(recalculate_used_alone): New function.
18454	(compute_may_aliases): Set updating_used_alone, call
18455	recalculate_used_alone.
18456	* tree-sra.c (pass_sra): Note that this pass destroys
18457	PROP_tmt_usage, and add TODO_update_tmt_usage.
18458	* tree-ssa-forwprop.c (pass_forwprop): Ditto.
18459	* tree-flow.h (updating_used_alone): Prototype.
18460	(recalculate_used_alone): Ditto.
18461	* passes.c (execute_todo): Add code to set updating_used_alone,
18462	and call recalculate.
18463	* tree-ssa-operands.c (add_virtual_operand): Only append bare def
18464	for clobber if used alone, and add assert to verify used_alone
18465	status.
18466
184672006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
18468
18469	* config/s390/s390.c (legitimize_pic_address): Assertions checking
18470	for non tls symbols added.
18471	(legitimize_address): Do nothing for PLUS expressions if one of the
18472	addends is a tls symbol reference.
18473
184742006-02-20  Paolo Bonzini  <bonzini@gnu.org>
18475
18476	PR bootstrap/25476
18477
18478	* Makefile.in (LDFLAGS): Define from autoconf substitution.
18479
18480	* Makefile.in (BOOTSTRAPPING): New.
18481	(quickstrap): New definition if BOOTSTRAPPING=yes.
18482
18483	* Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18484	* configure.ac: Substitute all_selected_languages with the languages
18485	that were configured.  For all the other variables except
18486	lang_specs_files, include all the languages in the tree.
18487	* configure: Regenerate.
18488
18489	* Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18490	if there is one.  Run the commands to run fixincludes in the same
18491	subshell.
18492
18493	* doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18494	* doc/install.texi: Document exact conventions for searching target tools.
18495	Document --with-build-time-tools.  Document toplevel bootstrap.  Document
18496	something more about building an Ada cross-compiler.  Don't list GNU Make
18497	requirements which affect all platforms.
18498
184992006-02-19  Roger Sayle  <roger@eyesopen.com>
18500
18501	PR middle-end/19543
18502	* varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18503	only equivalent if the have both the same mode and precision.
18504
185052006-02-20  Ben Elliston  <bje@au.ibm.com>
18506
18507	* doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18508
185092006-02-19  Roger Sayle  <roger@eyesopen.com>
18510	    Steven Bosscher  <stevenb.gcc@gmail.com>
18511
18512	* gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18513	constant pool references to identify stack mode constants.
18514	* rtlanal.c (constant_pool_constant_p): New predicate to check
18515	whether operand is a floating point constant in the pool.
18516	* rtl.h (constant_pool_constant_p): Prototype here.
18517	* loop.c (scan_loop): Avoid hoisting constants from the constant
18518	pool on STACK_REGS targets.
18519	(load_mems): Likewise.
18520	* loop-invariant.c (get_inv_cost): Make hoisting constant pool
18521	loads into x87 registers expensive in terms of register pressure.
18522
185232006-02-19  Roger Sayle  <roger@eyesopen.com>
18524
18525	* gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18526	__foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18527
185282006-02-19  David Edelsohn  <edelsohn@gnu.org>
18529
18530	* config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18531	* config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18532
185332006-02-19  Daniel Berlin  <dberlin@dberlin.org>
18534
18535	* doc/invoke.texi: Document -fipa-pta.
18536	* common.opt: Add ipa-pta option.
18537	* tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18538	(do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18539	(do_ds_constraint): Ditto.
18540	(get_constraint_for): Only add to referenced_vars if
18541	referenced_vars exists.
18542	(insert_into_field_list): Rewrite to do this unsorted.
18543	(insert_into_field_list_sorted): Rename old insert_into_field_list
18544	to this.
18545	(create_function_info_for): Use insert_into_field_list_sorted.
18546	(create_variable_info_for): Rewrite so it uses unsorted version,
18547	since the field list is sorted.
18548	(intra_create_variable_infos): Only add to referenced_vars if
18549	referenced_vars exists.
18550	(ipa_pta_execute): Init heapvars, and delete when done.
18551	* passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18552
185532006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18554
18555	* doc/install.texi: Add missing `@samp'.
18556
185572006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
18558
18559	* config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18560	Use the arguments.
18561
185622006-02-18  Mark Wielaard  <mark@klomp.org>
18563
18564	* doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18565	who added new 4.1 features, bug fixes and integration support.
18566
185672006-02-18  David Edelsohn  <edelsohn@gnu.org>
18568
18569	PR target/26350
18570	* config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18571	MEM for ABI_V4 pic.
18572
185732006-02-18  Richard Sandiford  <richard@codesourcery.com>
18574
18575	* cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18576	* emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18577	(copy_insn_1): Likewise.  Don't copy each field individually.
18578	Reindent.
18579	* read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18580	of RTX_SIZE.
18581	* reload1.c (eliminate_regs): Use shallow_copy_rtx.
18582	* rtl.c (rtx_size): Rename variable to...
18583	(rtx_code_size): ...this.
18584	(rtx_size): New function.
18585	(rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18586	(copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
18587	Reindent.
18588	(shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18589	* rtl.h (rtx_code_size): New variable.
18590	(rtx_size): Change from a variable to a function.
18591	(RTX_SIZE): Rename to...
18592	(RTX_CODE_SIZE): ...this.
18593
18594	PR target/9703
18595	PR tree-optimization/17106
18596	* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18597	(Anchored Addresses): New section.
18598	* doc/invoke.texi (-fsection-anchors): Document.
18599	* doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18600	(SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18601	(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18602	* hooks.c (hook_bool_mode_rtx_false): New function.
18603	* hooks.h (hook_bool_mode_rtx_false): Declare.
18604	* gengtype.c (create_optional_field): New function.
18605	(adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18606	SYMBOL_REF_IN_BLOCK_P is true.
18607	* target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18608	(min_anchor_offset, max_anchor_offset): Likewise.
18609	(use_anchors_for_symbol_p): New hook.
18610	* toplev.c (compile_file): Call output_object_blocks.
18611	(target_supports_section_anchors_p): New function.
18612	(process_options): Check that -fsection-anchors is only used on
18613	targets that support it and when -funit-at-a-time is in effect.
18614	* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18615	if the decl doesn't have one.
18616	* dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18617	* expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18618	of force_const_mem through use_anchored_address.
18619	(expand_expr_constant): New function.
18620	(expand_expr_addr_expr_1): Call it.  Use the same modifier when
18621	calling expand_expr for INDIRECT_REF.
18622	(expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18623	for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
18624	* expr.h (use_anchored_address): Declare.
18625	* loop-unroll.c: Don't declare rtx vectors here.
18626	* explow.c: Include output.h.
18627	(validize_mem): Call use_anchored_address.
18628	(use_anchored_address): New function.
18629	* common.opt (-fsection-anchors): New switch.
18630	* varasm.c (object_block_htab, anchor_labelno): New variables.
18631	(hash_section, object_block_entry_eq, object_block_entry_hash)
18632	(use_object_blocks_p, get_block_for_section, create_block_symbol)
18633	(use_blocks_for_decl_p, change_symbol_section): New functions.
18634	(get_variable_section): New function, split out from assemble_variable.
18635	(make_decl_rtl): Create a block symbol if use_object_blocks_p and
18636	use_blocks_for_decl_p say so.  Use change_symbol_section if the
18637	symbol has already been created.
18638	(assemble_variable_contents): New function, split out from...
18639	(assemble_variable): ...here.  Don't output any code for
18640	block symbols; just pass them to place_block_symbol.
18641	Use get_variable_section and assemble_variable_contents.
18642	(get_constant_alignment, get_constant_section, get_constant_size): New
18643	functions, split from output_constant_def_contents.
18644	(build_constant_desc): Create a block symbol if use_object_blocks_p
18645	says so.  Or into SYMBOL_REF_FLAGS.
18646	(assemble_constant_contents): New function, split from...
18647	(output_constant_def_contents): ...here.  Don't output any code
18648	for block symbols; just pass them to place_section_symbol.
18649	Use get_constant_section and get_constant_alignment.
18650	(force_const_mem): Create a block symbol if use_object_blocks_p and
18651	use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
18652	(output_constant_pool_1): Add an explicit alignment argument.
18653	Don't switch sections here.
18654	(output_constant_pool): Adjust call to output_constant_pool_1.
18655	Switch sections here instead.  Don't output anything for block symbols;
18656	just pass them to place_block_symbol.
18657	(init_varasm_once): Initialize object_block_htab.
18658	(default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18659	(default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18660	(place_block_symbol, get_section_anchor, output_object_block)
18661	(output_object_block_htab, output_object_blocks): New functions.
18662	* target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18663	(TARGET_ASM_OUT): Include it.
18664	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18665	(TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18666	(TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18667	(TARGET_INITIALIZER): Include them.
18668	* rtl.c (rtl_check_failed_block_symbol): New function.
18669	* rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
18670	(block_symbol, object_block): New structures.
18671	(rtx_def): Add a block_symbol field to the union.
18672	(BLOCK_SYMBOL_CHECK): New macro.
18673	(rtl_check_failed_block_symbol): Declare.
18674	(SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18675	(SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18676	(SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18677	(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18678	* output.h (output_section_symbols): Declare.
18679	(object_block): Name structure.
18680	(place_section_symbol, get_section_anchor, default_asm_output_anchor)
18681	(default_use_anchors_for_symbol_p): Declare.
18682	* Makefile.in (RTL_BASE_H): Add vec.h.
18683	(explow.o): Depend on output.h.
18684	* config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18685	(TARGET_MAX_ANCHOR_OFFSET): Likewise.
18686	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18687	(rs6000_use_blocks_for_constant_p): New function.
18688
186892006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18690
18691	* doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18692
186932006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
18694
18695	PR tree-opt/25680
18696	* tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18697	IMAGPART_EXPR.
18698
186992006-02-18  Diego Novillo  <dnovillo@redhat.com>
18700
18701	* tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18702	is_aliased.
18703	Update all users.
18704
187052006-02-18  Jakub Jelinek  <jakub@redhat.com>
18706
18707	PR middle-end/26334
18708	* stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18709	instead of DECL_REGISTER.
18710
187112006-02-18  Olivier Hainque  <hainque@adacore.com>
18712
18713	PR ada/13408
18714	* pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18715
187162006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
18717
18718	PR target/24837
18719	* config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18720	* opth-gen.awk: Handle Var and InverseMask together.
18721	* config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18722	* config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18723	(TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18724	(CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18725	used together.
18726	(UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18727	LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18728	* config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18729	UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18730	LINUX_DYNAMIC_LINKER): Define.
18731	(ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18732	* config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18733	TARGET_GLIBC.
18734	* config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18735	(CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18736	* config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18737	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18738	(TARGET_C99_FUNCTIONS): Don't define.
18739	* config/i386/linux.h (DYNAMIC_LINKER): Rename to
18740	GLIBC_DYNAMIC_LINKER.
18741	(SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18742	* config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18743	GLIBC_DYNAMIC_LINKER64): Define.
18744	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18745	LINUX_DYNAMIC_LINKER64.
18746	* config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18747	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18748	* config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18749	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18750	* config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18751	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18752	* config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18753	GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18754	UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18755	(LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18756	and LINUX_DYNAMIC_LINKER32.
18757	* config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18758	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18759	* config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18760	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18761	* config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18762	TARGET_GLIBC.
18763	* config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18764	(GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18765	UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18766	CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18767	LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18768	(LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18769	(LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18770	* config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18771	UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18772	LINUX_DYNAMIC_LINKER): Define.
18773	(LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18774	* config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18775	GLIBC_DYNAMIC_LINKER64): Define.
18776	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18777	LINUX_DYNAMIC_LINKER64.
18778	* config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18779	(SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18780	* config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18781	UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18782	LINUX_DYNAMIC_LINKER): Define.
18783	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18784	(TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18785	* config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18786	GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18787	UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18788	LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18789	(LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18790	(LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18791	(TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18792	* config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18793	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18794	* doc/invoke.texi (-muclibc): Remove caveat about supported
18795	targets.
18796
187972006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18798
18799	* doc/cpp.texi (__TIMESTAMP__): Document.
18800
188012006-02-17  Roger Sayle  <roger@eyesopen.com>
18802
18803	PR middle-end/25600
18804	* fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18805	C is one less than the width of X (and related transformations).
18806	* simplify-rtx.c (simplify_unary_operation_1): Transform
18807	(neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18808	depending on STORE_FLAG_VALUE, were C is one less then the
18809	width of X.
18810
188112006-02-17  Daniel Berlin  <dberlin@dberlin.org>
18812
18813	Fix PR tree-optimization/26341
18814	* tree-ssa-operands.c (add_virtual_operand): Remove assert
18815	about NAME_MEMORY_TAG's.
18816
188172006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18818
18819	PR target/26255
18820	* pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18821	with hardware float support, and software float support.  Add fcpy
18822	alternative to hardware patterns.  Add alternatives to copy between
18823	general and floating-point registers to the 32-bit pattern.
18824	* pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18825	secondary reload to load a QI or HI mode constant into a floating
18826	point register.
18827	* pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18828	* pa64-regs.h (VALID_FP_MODE_P): Likewise.
18829
188302006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
18831
18832	PR target/26272
18833	* config/rs6000/darwin.md (load_macho_picbase_si): Add
18834	pc to the pattern.
18835	(load_macho_picbase_di): Likewise.
18836
188372006-02-16  Jeff Law  <law@redhat.com>
18838
18839	* tree-vrp.c (set_value_range_to_nonnegative): New function.
18840	(vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18841	(ssa_name_nonzero_p): Likewise.
18842	(get_value_range): Return NULL if VRP is not running.
18843	(extract_range_from_expr): Fallback to tree_expr_XXX_p if
18844	VRP routines do not discover a range.
18845	(vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18846	* tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18847	* fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18848	(tree_expr_nonnegative_p): Similarly.
18849	* tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18850	(restore_nonzero_vars_to_original_value): Remove.
18851	(unsafe_associative_fp_binop): Remove.
18852	(tree_ssa_dominator_optimize): Remove initialization and
18853	finalization of nonzero_vars and nonzero_vars_stack.
18854	(dom_opt_initialize_block): No longer push marker on
18855	nonzero_vars_stack.
18856	(dom_opt_finalize_block): No longer call
18857	restore_nonzero_vars_to_original_value.
18858	(record_equivalences_from_phis): No longer look for
18859	nonzero PHI arguments.
18860	(cprop_into_successor_phis): No longer propagate nonzero
18861	property into PHI arguments.  Lose unused argument.  Caller
18862	updated.
18863	(record_equivalences_from_stmt): No longer record nonzero
18864	values for SSA_NAMEs.
18865	(lookup_avail_expr): No longer use nonzero_vars.
18866
18867	* stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18868	for sizetype when sizetype is unsigned.
18869
188702006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
18871
18872	PR rtl-optimization/25603
18873	* reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18874	(regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18875	* reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18876	with new meaning of SETS.
18877
188782006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
18879
18880	PR target/20353
18881	PR target/24578
18882	PR target/24837
18883	* config/linux.opt: New file.
18884	* config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18885	LINUX_DYNAMIC_LINKER): Define.
18886	(TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18887	* config.gcc (*-*-linux*): Define extra_options.
18888	(*-*-*uclibc*): Define UCLIBC_DEFAULT.
18889	(arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18890	* config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18891	GLIBC_DYNAMIC_LINKER.
18892	* config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18893	(LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18894	* config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18895	(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18896	* doc/invoke.texi (GNU/Linux Options): New section.
18897
188982006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
18899
18900	* config/sparc/sparc.md (setjmp): Rewrite.
18901	(setjmp_32): Delete.
18902	(setjmp_64): Likewise.
18903
189042006-02-16  Daniel Berlin <dberlin@dberlin.org>
18905
18906	* tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18907	 previous change.
18908
189092006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
18910
18911	* loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18912	read-write uses.
18913
189142006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
18915
18916	PR rtl-optimization/26296
18917	* Makefile.in (loop-invariant.c): Add except.h dependency.
18918	* loop-invariant.c: Include except.h.
18919	(find_invariant_insn): Ignore insns satisfying can_throw_internal.
18920
189212006-02-16  Paul Brook  <paul@codesourcery.com>
18922
18923	* reload1.c (emit_reload_insns): Invalidate dead input registers used
18924	for reloads.
18925
189262006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
18927
18928	PR rtl-optimization/25636
18929	* local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18930	when deciding whether an insn is an initializing insn.
18931
189322006-02-15 Daniel Berlin  <dberlin@dberlin.org>
18933
18934	* tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18935	(tree_code_size): Ditto.
18936	* tree.h (struct tree_memory_tag): Remove parent_var.
18937	(struct tree_struct_field_tag): New.
18938	(SFT_OFFSET): New.
18939	(SFT_SIZE): New.
18940	(union tree_node): Add sft member.
18941	* tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18942	specially here.
18943	(create_sft): Add size and offset argument, set SFT_OFFSET and
18944	SFT_SIZE.
18945	(create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18946	* treestruct.def: Add TS_STRUCT_FIELD_TAG.
18947	* tree-flow-inline.h (get_subvar_at): Update for
18948	SFT_OFFSET/SFT_SIZE.
18949	(var_can_have_subvars): Ditto.
18950	(overlap_subvar): Ditto.
18951	* print-tree.c (print_node): Print out interesting things for
18952	SFT's.
18953	* tree-flow.h (struct subvar): Remove offset and size members.
18954	* tree-ssa-operands.c (get_expr_operands): Update for
18955	get_indirect_ref_operands changes.
18956	(get_indirect_ref_operands): Call add_virtual_operand instead of
18957	add_stmt_operand.  Only recurse on base var if requested.
18958	(access_can_touch_variable): New function.
18959	(add_stmt_operand): Split virtual operand handling into ...
18960	(add_virtual_operand): Here.  Add offset, size, and for_clobber
18961	arguments.  Prune alias sets.
18962	(add_call_clobber_ops): Call add_virtual_operand.
18963
189642006-02-15  Jakub Jelinek  <jakub@redhat.com>
18965
18966	PR middle-end/26300
18967	* combine.c (make_extraction): Bail out if ORIG_POS is negative.
18968
18969	* tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18970	than TREE_CODE as index into omp_clause_num_ops array.
18971
189722006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
18973
18974	PR rtl-optimization/26184
18975	* modulo-sched.c (generate_reg_moves): Free bitmap vector
18976	uses_of_defs.
18977	* modulo-sched.c (sms_schedule): Free g_arr pointer.
18978	* modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18979	must_precede, must_follow and tobe_scheduled.
18980
18981	PR other/26147
18982	* opts.c (common_handle_option): Free new_option pointer.
18983	* df-core.c (df_analyze): Free postorder pointer.
18984
189852006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18986
18987	* Makefile.in: Fix the examples about the use of stamps
18988
189892006-02-15  Michael Matz  <matz@suse.de>
18990
18991	PR middle-end/22275
18992
18993	* stor-layout.c (layout_decl): Zero-width bitfields aren't
18994	influenced by maximum_field_alignment or DECL_PACKED.
18995	(update_alignment_for_field): Ditto.
18996	(place_field): Ditto.
18997	* doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18998	this behaviour.
18999
190002006-02-15  Paolo Bonzini  <bonzini@gnu.org>
19001
19002	* cfg.c (dump_flow_info): Get dump flags as an additional parameter.
19003	(debug_flow_info): Pass it.
19004	* alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
19005	* bb-reorder.c (reorder_basic_blocks): Likewise.
19006	* cfgcleanup.c (rest_of_handle_jump2): Likewise.
19007	* cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
19008	* flow.c (life_analysis, recompute_reg_usage): Likewise.
19009	* gcse.c (gcse_main, bypass_jumps): Likewise.
19010	* ifcvt.c (rest_of_handle_if_conversion): Likewise.
19011	* local-alloc.c (rest_of_handle_local_alloc): Likewise.
19012	* loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
19013	* profile.c (compute_branch_probabilities, branch_prob): Likewise.
19014	* rtl.h (dump_flow_info): Adjust prototype.
19015	* tracer.c (rest_of_handle_tracer, tracer): Likewise.
19016	* var-tracking.c (variable_tracking_main): Likewise.
19017	* passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
19018	* tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
19019	options.
19020
190212006-02-15  Marcin Dalecki <martin@dalecki.de>
19022
19023	* tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
19024	construction.
19025
190262006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
19027
19028	PR tree-optimization/26209
19029	* tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
19030	* tree-cfgcleanup.c (cleanup_control_flow): Remove dead
19031	eh edges.
19032	* tree-cfg.c (replace_uses_by): Do not alter cfg.
19033
190342006-02-14  Roger Sayle  <roger@eyesopen.com>
19035
19036	PR middle-end/23670
19037	* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
19038	(X,Y) and the corresponding symmetry related transformations.
19039	(fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
19040	(X,Y) and its symmetry related transformations.
19041
190422006-02-14  Roger Sayle  <roger@eyesopen.com>
19043
19044	* dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
19045	and GEU.
19046
190472006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
19048
19049	* simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
19050
190512006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
19052
19053	PR bootstrap/26053
19054	* configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
19055	support COMDAT group.
19056	* configure: Regenerate.
19057
190582006-02-14  Roger Sayle  <roger@eyesopen.com>
19059
19060	PR middle-end/26279
19061	PR middle-end/26280
19062	PR middle-end/26283
19063	* dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
19064
190652006-02-14  Daniel Berlin  <dberlin@dberlin.org>
19066
19067	Fix PR tree-optimization/26260
19068
19069	* doc/invoke.texi (max-fields-for-field-sensitive): Document
19070	param.
19071	* params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
19072	* params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
19073	* tree-ssa-structalias.c (create_variable_info_for): Use
19074	MAX_FIELDS_FOR_FIELD_SENSITIVE.
19075
190762006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
19077
19078	* doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
19079	Document.
19080	* tree-ssa-loop-niter.c (number_of_iterations_ne,
19081	number_of_iterations_lt, number_of_iterations_cond): Remember the shape
19082	of the ending condition.
19083	* tree-ssa-loop-manip.c: Include params.h.
19084	(build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
19085	tree_unroll_loop): New functions.
19086	* tree-pass.h (pass_loop_prefetch): Declare.
19087	* loop.c (rest_of_handle_loop_optimize): Test for
19088	-fprefetch-loop-arrays-rtl.
19089	* tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
19090	* timevar.def (TV_TREE_PREFETCH): New timevar.
19091	* tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
19092	pass_loop_prefetch): New.
19093	* tree-cfgcleanup.c: Include tree-scalar-evolution.h.
19094	(cleanup_tree_cfg_loop): Call scev_reset.
19095	* common.opt (fprefetch-loop-arrays-rtl): Add.
19096	* tree-ssa-loop-prefetch.c: New file.
19097	* tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
19098	(new_temp_expr_table): Initialize expr_vars.
19099	(free_temp_expr_table): Cleanup expr_vars.
19100	(check_replaceable, find_replaceable_in_bb): Prevent accumulating
19101	expressions from being merged into one.
19102	* tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
19103	(struct tree_niter_desc): Add control, bound and cmp fields.
19104	(tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
19105	Declare.
19106	* Makefile.in (tree-ssa-loop-prefetch.o): Add.
19107	(tree-cfgcleanup.o): Add SCEV_H dependency.
19108	(tree-ssa-loop-manip.o): Add PARAMS_H dependency.
19109	* passes.c (init_optimization_passes): Add pass_loop_prefetch.
19110
191112006-02-14  Richard Guenther  <rguenther@suse.de>
19112
19113	PR tree-optimization/26258
19114	* tree-ssa-structalias.c (find_func_aliases): Handle aggregates
19115	in PHI argument processing.
19116
191172006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
19118
19119	* simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
19120	new expression in the requested machine mode.
19121
191222006-02-13  Roger Sayle  <roger@eyesopen.com>
19123
19124	* optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
19125	directly, instead let do_compare_rtx_and_jump handle this for us.
19126	* expr.c (expand_expr_real_1): Likewise.
19127	* dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
19128	before do_jump_by_parts_greater.
19129	(do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
19130	* expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
19131
191322006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19133
19134	* pa/quadlib.c: Use defines instead of enum qfcmp_magic.
19135
191362006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
19137
19138	PR rtl-optimization/26235
19139	* loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
19140	(invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
19141	format.
19142
191432006-02-13  Jeff Law  <law@redhat.com>
19144
19145	* tree-vrp.c (extract_range_from_binary_expr): Remove handling of
19146	TRUTH_XOR_EPR.
19147
191482006-02-13  Jakub Jelinek  <jakub@redhat.com>
19149
19150	PR middle-end/26092
19151	* gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
19152	twice if decl is a builtin.  When trying again, call get_callee_fndecl
19153	first to verify it is still a builtin.
19154
191552006-02-13  Geoffrey Keating  <geoffk@apple.com>
19156
19157	* dwarf2out.c (base_type_die): Don't add AT_name here.
19158	(subrange_type_die): Don't add AT_name here.
19159	(modified_type_die): Rearrange code flow.  Do add AT_name here.
19160
191612006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
19162
19163	PR rtl-optimization/26247
19164	PR rtl-optimization/26248
19165	* loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
19166
191672006-02-13  Richard Sandiford  <richard@codesourcery.com>
19168
19169	* config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
19170	* config/fixtfdi.c: Likewise.
19171	* config/fixunstfdi.c: Likewise.
19172	* config/floatditf.c: Likewise.
19173
191742006-02-13  Roger Sayle  <roger@eyesopen.com>
19175
19176	PR middle-end/24427
19177	* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
19178	into (X,C2) if C1 is a subset of the bits of C2.  Transform
19179	(X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
19180	(X&(C1&~C2))|C2.
19181	<BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
19182
191832006-02-13  Josh Conner  <jconner@apple.com>
19184
19185	PR target/25376
19186	* varasm.c (function_section): Check for section name before
19187	calling select_section on targets that define
19188	USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
19189	unlikely_text_section instead of hot_function_section if
19190	first_function_block_is_cold.
19191
191922006-02-13  J"orn Rennecke <joern.rennecke@st.com>
19193
19194	PR middle-end/25335
19195	* reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
19196
191972006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
19198
19199	PR rtl-optimization/26222
19200	* function.c (assign_stack_temp_for_type): Do not reuse stack slots
19201	after tree->rtl expansion.
19202	* loop-invariant.c (move_invariant_reg): Use force_operand on rhs
19203	before passing it to emit_move_insn.
19204
192052006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
19206
19207	* doc/invoke.texi (-Write-strings): Document that it is enabled by
19208	default.
19209	* c.opt (-Wwrite-strings): Declare variable warn_write_strings.
19210	Clarify documentation.
19211	* c-common.h (warn_write_strings): Remove.
19212	* c-common.c (warn_write_strings): Likewise.
19213	* c-opts.c (c_common_init_options): Enable -Wwrite-strings by
19214	default for C++.
19215
192162006-02-12  Roger Sayle  <roger@eyesopen.com>
19217
19218	PR middle-end/25724
19219	* dojump.c (do_jump): Call do_compare_rtx_and_jump.
19220	(do_jump_parts_zero_rtx): New function renamed from
19221	do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
19222	(do_jump_parts_equality_rtx): New function split out from
19223	do_jump_parts_equality.  Old implementation renamed as above.
19224	Call do_jump_parts_zero_rtx if either operand is zero.
19225	(do_jump_parts_equality): Call do_jump_parts_equality_rtx to
19226	do all of the heavy lifting.
19227	(do_compare_rtx_and_jump): Handle multi-word comparisons by
19228	calling either do_jump_by_parts_greater_rtx or
19229	do_jump_by_parts_equality_rtx.
19230	* expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
19231	* expmed.c (do_cmp_and_jump): Now multi-word optimization has
19232	moved to do_compare_rtx_and_jump, call it directly.
19233	* stmt.c (do_jump_if_equal): Remove static prototype.  Add a
19234	mode argument.  Call do_compare_rtx_and_jump.
19235	(emit_case_nodes): Update calls to do_jump_if_equal.
19236
192372006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
19238
19239	PR rtl-optimization/26225
19240	* loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
19241
192422006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
19243
19244	PR rtl-optimization/26232
19245	* loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
19246
192472006-02-11  Jason Merrill  <jason@redhat.com>
19248
19249	PR tree-opt/24365
19250	* tree-inline.c (declare_return_variable): Just don't use the
19251	modify target if it's a gimple complex reg and the return slot
19252	isn't.
19253
192542006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19255
19256	* doc/contrib.texi: Update my entry.
19257
192582006-02-10  Geoffrey Keating  <geoffk@apple.com>
19259
19260	* config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
19261
192622006-02-10  Diego Novillo  <dnovillo@redhat.com>
19263
19264	* tree-inline.c (estimate_num_insns_1): Make OpenMP directives
19265	expensive.
19266
192672006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
19268
19269	* doc/invoke.texi (-floop-optimize2): Removed.
19270	* toplev.c (process_options): Remove handling of flag_loop_optimize2.
19271	* loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
19272	Test flag_branch_on_count_reg only if HAVE_doloop_end.
19273	* common.opt (floop-optimize2): Removed.
19274	(fmove-loop-invariants): Enabled by default.
19275
192762006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
19277
19278	* tree-if-conv.c (combine_blocks): Free the result of
19279	get_loop_exit_edges.
19280
192812006-02-10  Jeff Law  <law@redhat.com>
19282
19283	* fold-const.c (tree_expr_nonzero_p): Fix thinko.
19284
19285	PR tree-optimization/26213
19286	* tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
19287	loop trying to follow SSA_NAME_VALUE chains.
19288
192892006-02-10  Richard Guenther  <rguenther@suse.de>
19290
19291	* tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19292	deal with structures that end in implicitly variable sized arrays.
19293
192942006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
19295
19296	PR rtl-optimization/24762
19297	* df-scan.c (df_bb_refs_record): Record correct registers defined on
19298	eh edges.
19299
193002006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
19301
19302	* tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19303	(struct ivopts_data): Add regs_used field.
19304	(tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19305	(ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19306	instead of loop_data->regs_used;
19307	(free_loop_data): Do not free aux fields for loops.
19308	(tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19309	and tree_ssa_iv_optimize_finalize.
19310
193112006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
19312
19313	* config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19314
193152006-02-09  J"orn Rennecke <joern.rennecke@st.com>
19316
19317	PR target/26141
19318	* sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19319	computing the effective result type.
19320
193212006-02-09  J"orn Rennecke <joern.rennecke@st.com>
19322
19323	PR inline-asm/16194
19324	* tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19325	(tree_overlaps_hard_reg_set): Declare.
19326	* stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
19327	type and signature to match function type expected by walk_tree.
19328	(tree_overlaps_hard_reg_set): New function.
19329	(decl_conflicts_with_clobbers_p): Rename to:
19330	(tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
19331	Use tree_overlaps_hard_reg_set.  Changed caller.
19332	* doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19333	decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19334	* cris.c (cris_md_asm_clobbers): Likewise.
19335
193362006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
19337
19338	* reload1.c (emit_input_reload_insns): Delete code that tries to
19339	inherit using find_equiv_reg.
19340
193412006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
19342
19343	* c-common.h (flag_const_strings): Don't declare.
19344	* c-common.c (flag_const_strings): Remove.
19345	* c.opt (fconst_strings): Remove.
19346	* c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
19347	<OPT_Wwrite_strings>: Don't set flag_const_strings.
19348	(c_common_init_options): Don't set flag_const_strings.
19349	* doc/invoke.texi (-fno-const-strings): Remove documentation.
19350
193512006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
19352
19353	* arm.md (tlobits_cbranch): New pattern.
19354	* arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19355	testing a single bit.
19356
193572006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19358
19359	PR tree-opt/26179
19360	* tree-ssa-pre.c (create_component_ref_by_pieces):
19361	Handle RETURN_DECL like VAR_DECL.
19362
193632006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19364
19365	PR middle-end/26134
19366	* fold-const.c (fold_indirect_ref_1): Fold
19367	"*(foo *)&complexfoo" to "__real__ complexfoo"
19368	and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19369
193702006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19371
19372	* tree-flow-inline.h (var_can_have_subvars):
19373	Volatile variables should not have subvariables.
19374
193752006-02-09  Diego Novillo  <dnovillo@redhat.com>
19376
19377	PR 26180
19378	* tree-vrp.c (vrp_int_const_binop): Detect overflow when
19379	multiplying unsigned values.
19380	Tidy comments.
19381
193822006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
19383
19384	* config/sparc/sparc.c (tls_call_delay): Fix oversight.
19385
193862006-02-08  Jason Merrill  <jason@redhat.com>
19387
19388	PR c++/25979
19389	* tree.def: Elaborate on difference from MODIFY_EXPR.
19390	* doc/c-tree.texi (INIT_EXPR): Likewise.
19391	* gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19392	(gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19393	(gimplify_target_expr): Likewise.
19394	(gimplify_cond_expr): Remove target handling.
19395	(gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19396	(gimplify_expr): Clobber it here.
19397	(gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19398	Do return slot optimization if we have an INIT_EXPR.
19399
19400	PR tree-opt/24365
19401	* tree-inline.c (declare_return_variable): Also clear
19402	DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19403
19404	PR c++/16405
19405	* gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19406
19407	PR middle-end/22439
19408	* gimplify.c (gimplify_one_sizepos): Fix typo.
19409
194102006-02-08  Jeff Law  <law@redhat.com>
19411
19412	PR tree-optimization/21417
19413	* tree-ssa-threadedge.c (thread_across_edge): Reject threading
19414	across a backedge if the control statement at the end of the
19415	block is data dependent on other statements in the same block.
19416	(record_temporary_equivalences_from_stmts): Remove over-conservative
19417	test for threading across backedges.
19418
19419	* tree-ssa-dce.c (remove_dead_statement): When removing a dead
19420	control statement, handle all three special cases in the same
19421	manner as they all have the same desired solution.  No longer
19422	special case edge flag updating when the post dominator is
19423	the exit block.
19424
194252006-02-08  Roger Sayle  <roger@eyesopen.com>
19426
19427	* tree.def (CHAR_TYPE): Remove.
19428	* dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19429	* dwarf2out.c (base_type_die, is_base_type): Likewise.
19430	(gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19431	(gen_string_type_die): Delete unreachable function.
19432
19433	* tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19434	* tree.c (build_int_cst_wide, type_contains_placeholder_1,
19435	type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19436	* tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19437	* builtins.c (type_to_class): Likewise.
19438	* fold-const.c (fold_convert, build_range_check,
19439	merge_ranges): Likewise.
19440	* expr.c (count_type_elements): Likewise.
19441	* c-pretty-print.c (pp_c_type_specifier): Likewise.
19442	* stor-layout.c (layout_type): Likewise.
19443	* ipa-type-escape.c (type_to_consider): Likewise.
19444	* gimplify.c (omp_firstprivatize_type_sizes,
19445	gimplify_type_sizes): Likewise.
19446	* explow.c (promote_mode): Likewise.
19447	* tree-sra.c (is_sra_scalar_type): Likewise.
19448	* varasm.c (output_constant): Likewise.
19449	* tree-inline.c (remap_type_1): Likewise.
19450	* convert.c (convert_to_pointer, convert_to_real,
19451	convert_to_integer, convert_to_complex): Likewise.
19452
194532006-02-08  Daniel Berlin  <dberlin@dberlin.org>
19454
19455	* df-scan.c (df_def_record_1): A set destination may
19456	be a parallel regardless of mode.
19457
194582006-02-08  Roger Sayle  <roger@eyesopen.com>
19459
19460	PR target/22209
19461	* config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19462	* config/mips/_tilib.c: Remove.
19463	* config/fixtfdi.c: New libgcc source file.
19464	* config/fixunstfdi.c: New source file.
19465	* config/floatditf.c: New source file.
19466	* config/floatunditf.c: New souce file.
19467	* config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19468	files above instead of config/mips/_tilib.c.
19469	* config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19470
194712006-02-08  Jeff Law  <law@redhat.com>
19472
19473	PR tree-optimization/26169
19474	* tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19475	threading jumps.
19476
194772006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
19478
19479	* df.h (DF_REG_SIZE): Return the length of the initialized
19480	part of the array.
19481
194822006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
19483
19484	* config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19485	__muldf3): Return a correctly signed zero.
19486
194872006-02-08  Paolo Bonzini  <bonzini@gnu.org>
19488
19489	* passes.c (register_one_dump_file): Accept the current properties
19490	instead of pass number.  Adjust call to dump_register.  Remove
19491	duplicated code.
19492	(register_dump_files): Now a wrapper around...
19493	(register_dump_files_1): ... this one.  Do not modify the pass
19494	structure.
19495	(next_pass_1): Cosmetic fix.
19496	(execute_todo): Keep second parameter only.  Use curr_properties
19497	instead of fetching it from the pass structure.  Check and set
19498	last_verified.
19499	(execute_one_pass): Handle TODO_set_props.  Use curr_properties
19500	instead of fetching it from the pass structure.  Fix calls to
19501	execute_todo.  Update curr_properties and initialize .vcg RTL dump
19502	after running the pass.  Reset last_verified.
19503	* tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
19504	at the beginning.
19505	(FIRST_AUTO_NUMBERED_DUMP): New.
19506	(dump_register): Remove "num" parameter, assign it within the
19507	function.
19508	(get_dump_file_name): Modify template for dumps.
19509	* tree-dump.h (dump_register): Adjust prototype.
19510	* tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19511	(PROP_trees): Add PROP_gimple_lomp.
19512	(TODO_set_props): New.
19513	* gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19514	* tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19515	* cfgexpand.c (pass_expand): Destroy PROP_trees.
19516
195172006-02-08  Jakub Jelinek  <jakub@redhat.com>
19518
19519	* config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19520	(sparc64-*-linux*): Likewise.
19521	* config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19522	* config/sparc/t-linux: New file.
19523	* config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19524	__floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19525	(__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19526	-m32 -mlong-double-128.
19527
19528	* config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19529	* config/alpha/t-linux: New file.
19530	* config/alpha/libgcc-alpha-ldbl.ver: New file.
19531
19532	* config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19533	__LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19534	(CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19535	* config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19536	__LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19537	(CPP_ARCH32_SPEC): Remove.
19538
195392006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
19540
19541	PR tree-optimization/26145
19542	* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19543	bbs pointer.
19544
195452006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19546
19547	PR target/26109
19548	* pa.c (attr_length_indirect_call): Don't return length 8 for distances
19549	>= 240000 when generating code for SOM runtime.
19550	(output_indirect_call): Don't use "b,l" instruction for indirect calls
19551	to $$dyncall when generating code for SOM runtime..
19552
195532006-02-07  Dirk Mueller  <dmueller@suse.com>
19554
19555	PR c++/18150
19556	* doc/invoke.texi (-Wsequence-point): Update documentation
19557	that -Wsequence-point is implemented for C++ as well.
19558
195592006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19560
19561	* config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19562	* config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19563	(LIB_SPEC): Likewise.
19564	* doc/invoke.texi (SPARC options): Document -pthread.
19565
195662006-02-07  Geoffrey Keating  <geoffk@apple.com>
19567
19568	* config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19569	PIC addresses.
19570
195712006-02-07  Roger Sayle  <roger@eyesopen.com>
19572
19573	* config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19574	Correct comment describing BOOLEAN_TYPE.
19575
195762006-02-07  Dirk Mueller  <dmueller@suse.com>
19577
19578	* c.opt: C++ frontend supports -Wdiv-by-zero.
19579	* c-opts.c (c_common_handle_option): Remove dead case.
19580
195812006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19582
19583	* configure.ac (TLS assembler check): Do not enable TLS by
19584	default on SPARC/Solaris before version 10.
19585	* configure: Regenerate.
19586
195872006-02-07  David Edelsohn  <edelsohn@gnu.org>
19588
19589	* doc/invoke.texi (xl-compat): Document conversion and support
19590	routine names.
19591
195922006-02-07  Jeff Law  <law@redhat.com>
19593
19594	* tree-vrp.c (find_conditional_asserts): Update comments.
19595	(simplify_stmt_for_jump_threading): New.
19596	(identify_jump_threads, finalize_jump_threads): New.
19597	(vrp_finalize): Call identify_jump_threads.
19598	(execute_vrp): Call finalize_jump_threads.
19599	* tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19600	(vrp_element, vrp_data, vrp_element_p): Remove.
19601	(vrp_hash_elt, vrp_variables_stack): Remove.
19602	(vrp_hash, vrp_eq, record_range): Remove.
19603	(simplify_cond_and_lookup_avail_expr): Remove.
19604	(extract_range_from_cond): Remove.
19605	(thread_across_edge): Relocated into tree-ssa-threadedge.c.
19606	(simplify_stmt_for_jump_threading): New.
19607	(dom_thread_across_edge): New wrapper.
19608	(tree_ssa_dominator_optimize): No longer initialize or
19609	finalize any of the VRP datastructures.  Remove iteration
19610	step and simplify as a result of removal of iteration step.
19611	(pass_dominator): Perform a cfg cleanup after DOM.
19612	(dom_opt_finalize_block): Use the new common routines
19613	for threading jumps.  Simplify stack management slightly.
19614	No longer need to unwind VRP state.
19615	(record_equivalences_from_incoming_edge): No longer record
19616	VRP information.
19617	(eliminate_redundant_computations): No longer call
19618	simplify_cond_and_lookup_avail_expr.
19619	* tree-flow.h (potentially_threadable_block): Prototype.
19620	(thread_across_edge): Likewise.
19621	* Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19622	(tree-ssa-threadedge.o): Add dependencies.
19623	* tree-ssa-threadedge.c: New file.
19624	* passes.c (init_optimization_passes): Merge PHIs before
19625	calling VRP.  Run VRP again late in the SSA optimization pipeline.
19626
196272006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19628
19629	* df-core.c (df_set_blocks): Do not dereference function pointers.
19630	(df_finish1): Likewise.
19631	(df_hybrid_search_forward): Likewise.
19632	(df_hybrid_search_backward): Likewise.
19633	(df_iterative_dataflow): Likewise.
19634	(df_analyze_problem): Likewise.
19635	(df_compact_blocks): Likewise.
19636	(df_dump): Likewise.
19637	* df-scan.c (df_rescan_blocks): Likewise.
19638	(df_record_entry_block_defs): Likewise.
19639
19640	* genconditions.c (write_conditions): Guard the definition of
19641	'insn_conditions' with the check on GCC version.
19642	(write_writer): Guard the traversal 'insn_conditions' with
19643	the check on GCC version.
19644
196452006-02-07  Richard Guenther  <rguenther@suse.de>
19646
19647	PR c++/26140
19648	Revert
19649	2006-01-30  Richard Guenther  <rguenther@suse.de>
19650	PR c++/23372
19651	* gimplify.c (gimplify_target_expr): Handle easy cases
19652	without creating a temporary.
19653
196542006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
19655
19656	* sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19657	use of float in probability computations.  Use edge probabilities
19658	in place of statically computed probabilities.
19659	(min_spec_prob): New static variable.
19660	(schedule_insns): Initialize it.
19661	(GET_SRC_PROB): Removed.
19662	* doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19663
196642006-02-07  Alexandre Oliva  <aoliva@redhat.com>
19665
19666	PR debug/24444
19667	* config/ia64/unwind-ia64.c: Revert last change.
19668	* config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19669	(INCOMING_FRAME_SP_OFFSET): Define.
19670
196712006-02-06  Roger Sayle  <roger@eyesopen.com>
19672
19673	* config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19674
196752006-02-07  Ben Elliston  <bje@au.ibm.com>
19676
19677	* config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19678	(TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19679	(classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19680	(ix86_return_in_memory): Handle TDmode.
19681	(ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19682	(ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19683
196842006-02-06  Richard Sandiford  <richard@codesourcery.com>
19685
19686	* reorg.c (dbr_schedule): Use dump_file instead of file.
19687
196882006-02-06  Steve Ellcey  <sje@cup.hp.com>
19689
19690	PR target/25917
19691	* config/ia64/predicates.md (extr_len_operand): New predicate.
19692	* config/ia64/ia64.md (extv): Tighten constraints.
19693	(extzv): Ditto.
19694	(*tbit_and_2): Ditto.
19695	(*tbit_and_3): Ditto.
19696	(*tbit_or_2): Ditto.
19697	(*tbit_or_3): Ditto.
19698	(*bit_zero): Ditto.
19699	(*bit_one): Ditto.
19700
197012006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
19702
19703	PR target/23359
19704	* config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19705
197062006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
19707
19708	* tree-vrp.c (execute_vrp): Do not pass dump argument to.
19709	loop_optimizer_init and loop_optimizer_finalize
19710	* tree-ssa-sink.c (execute_sink_code): Ditto.
19711	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19712	* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19713	tree_ssa_loop_done): Ditto.
19714	* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19715	* sched-ebb.c: Include output.h.
19716	(schedule_ebbs): Do not use dump argument.
19717	* value-prof.h (struct profile_hooks): Remove profile_dump_file.
19718	* loop.c (loop_dump_stream): Removed.
19719	(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19720	argument.
19721	(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19722	emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19723	final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19724	loop_iterations, strength_reduce, record_biv, record_giv,
19725	final_giv_value, check_final_value, check_ext_dependent_givs,
19726	combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19727	try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19728	dump_file instead of loop_dump_stream.
19729	* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19730	argument dump_file.
19731	* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19732	dump argument.
19733	* flow.c (life_analysis, rest_of_handle_life): Ditto.
19734	* haifa-sched.c: Include output.h
19735	(schedule_insns, sched_init): Do not use dump argument.
19736	* mode-switching.c (optimize_mode_switching): Ditto.
19737	* modulo-sched.c (stats_file): Removed.
19738	(print_node_sched_params): Do not call argument dump_file.
19739	(sms_schedule_by_order, loop_canon_p, sms_schedule,
19740	rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
19741	of stats_file.
19742	* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19743	use dump argument.
19744	* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19745	rtl_loop_init, rtl_loop_done): Ditto.
19746	* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19747	* predict.c (combine_predictions_for_bb, tree_estimate_probability):
19748	Ditto.
19749	* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19750	* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19751	* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19752	rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19753	* emit-rtl.c (renumber_insns): Ditto.
19754	* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19755	expand_gimple_basic_block, tree_expand_cfg): Ditto.
19756	* regclass.c (regclass): Ditto.
19757	* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19758	remove_ssa_form, rewrite_out_of_ssa): Ditto.
19759	* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19760	convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19761	Ditto.
19762	* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19763	* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19764	to regclass.
19765	* gcse.c (gcse_file, debug_stderr): Removed.
19766	(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19767	rest_of_handle_gcse): Do not use dump argument.
19768	(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19769	one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19770	pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19771	compute_code_hoist_vbeinout, compute_code_hoist_data,
19772	one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19773	compute_store_table, build_store_vectors, insert_insn_start_bb,
19774	insert_store, remove_reachable_equiv_notes, replace_store_insn,
19775	store_motion): Use dump_file instead of gcse_file.
19776	* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19777	* profile.c (profile_dump_file): Removed.
19778	(branch_prob): Use dump_file instead of profile_dump_file.
19779	* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19780	dump_file.
19781	* tree-ssa-copy.c (dump_copy_of): Ditto.
19782	* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19783	dump file to life_analysis.
19784	* bt-load.c (branch_target_load_optimize): Ditto.
19785	* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19786	renumber_insns.
19787	* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19788	regclass, dbr_schedule): Declaration changed.
19789	* sched-int.h (sched_init): Declaration changed.
19790	* tree-profile.c (tree_profile_dump_file): Removed.
19791	(tree_profile_hooks): Removed profile_dump_file hook.
19792	* rtl-profile (rtl_profile_dump_file): Removed.
19793	(rtl_profile_hooks): emoved profile_dump_file hook.
19794	* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19795	changed.
19796	* c-gimplify.c (c_genericize): Do not call local variable dump_file.
19797	* tree-cfg.c (build_tree_cfg): Ditto.
19798	* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19799	* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19800	Declaration changed.
19801	* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19802	life_analysis and schedule_insns.
19803	* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19804	life_analysis.
19805	* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19806	dbr_schedule.
19807	* config/mips/mips.c (mips_reorg): Ditto.
19808	* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19809	schedule_ebbs.
19810
198112006-02-06  Aldy Hernandez  <aldyh@redhat.com>
19812
19813	* config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19814	(s390_mangle_fundamental_type): New.
19815	* config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19816	Define.
19817
19818	* config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19819	(alpha_mangle_fundamental_type): New.
19820	* config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19821	Define.
19822
19823	* config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19824	Define.
19825	* config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19826	Define.
19827	* config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19828	(sparc_mangle_fundamental_type): New.
19829
198302006-02-06  Jakub Jelinek  <jakub@redhat.com>
19831
19832	* config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19833	(s390x-*-linux*): Likewise.
19834	* config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19835	* config/s390/t-linux: New file.
19836
198372006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
19838
19839	* config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19840	sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19841
198422006-02-06  Daniel Berlin  <dberlin@dberlin.org>
19843
19844	* tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19845	(ANTIC_SAFE_LOADS): New macro.
19846	(find_or_generate_expression): Add prototype.
19847	(set_contains_value): Allow null set for sake of not always having
19848	to allocate ANTIC_SAFE_LOADS.
19849	(phi_translate): Move placement of AGGREGATE_TYPE_P check.
19850	Allow COMPONENT_REF too.
19851	(valid_in_set): Allow COMPONENT_REF.
19852	Check ANTIC_SAFE_LOADS too.
19853	(compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19854	(compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19855	rename.
19856	(can_PRE_operation): Add COMPONENT_REF.
19857	(create_component_ref_by_pieces): New function.
19858	(create_expression_by_pieces): Use create_component_ref_by_pieces.
19859	(insert_aux): Move AGGREGATE_TYPE_P check here.
19860	(compute_avail): Set bb local stmt uids.
19861	(pass_pre): Use TODO_update_ssa_only_virtuals.
19862
198632006-02-06  Ben Elliston  <bje@au.ibm.com>
19864
19865	* configure.ac: Unconditionally disable decimal float by default.
19866	* configure: Regenerate.
19867
198682006-02-06  Ben Elliston  <bje@au.ibm.com>
19869
19870	* read-rtl.c (read_name): Terminate reading on EOF.
19871
198722006-02-06  Ben Elliston  <bje@au.ibm.com>
19873
19874	* dfp.c (decimal_real_arithmetic): Change second argument type
19875	from int to enum tree_code. Do not always return true, but now
19876	return result of any call to decimal_do helper functions.
19877	* dfp.h (decimal_real_arithmetic): Update prototype.
19878
198792006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
19880
19881	* config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19882
198832006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
19884
19885	PR tree-opt/25251
19886	* tree-cfg.c (cleanup_dead_labels): Also don't remove
19887	forced labels.
19888
198892006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
19890
19891	* tree-vrp.c (cfg_loops): Removed.
19892	(adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19893	Use current_loops instead of cfg_loops.  Pass flags to
19894	loop_optimizer_init.
19895	* cfgloopmanip.c (fix_loop_structure): Update only available
19896	information.
19897	* tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19898	loop_optimizer_init.
19899	* modulo-sched.c (build_loops_structure): Removed.
19900	(sms_schedule): Use loop_optimizer_init.
19901	* loop-init.c (loop_optimizer_init): Use flags to determine
19902	which properties of loops to prepare.
19903	(rtl_loop_init): Pass flags to loop_optimizer_init.
19904	* tree-ssa-sink.c (execute_sink_code): Ditto.
19905	* tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19906	* tree-ssa-pre.c (init_pre): Ditto.
19907	* cfgloop.h (LOOPS_NORMAL): New.
19908	(loop_optimizer_init): Declaration changed.
19909
199102006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19911
19912	* pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19913	* config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19914	pa/t-pa.
19915	* config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19916	pa/t-pa.
19917	* config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19918	pa/x-ada.
19919	* pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19920	* pa/t-pa64: Delete quadlib.c rule.
19921	* pa/x-ada: Revert last change.
19922	* pa/t-pa: Revert last change.  Delete quadlib.c rule.
19923
199242006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
19925
19926	PR rtl-optimization/26087
19927	* rtlanal.c (canonicalize_condition): Do not cross basic block
19928	boundaries.
19929
199302006-02-04  Alexandre Oliva  <aoliva@redhat.com>
19931
19932	PR debug/24444
19933	* config/ia64/ia64.c: Include debug.h.
19934	(MAX_ARTIFICIAL_LABEL_BYTES): New.
19935	(ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19936	(IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19937	(process_epilogue, process_set, process_for_unwind_directive):
19938	Output unwind info only if requested.  Add CFA info if requested.
19939	Add new arguments as needed.  Adjust callers.
19940	* config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19941	incorrect default.
19942	(DWARF2_FRAME_INFO): Define to zero.
19943	* config/ia64/unwind-ia64.c: Remove code that compensated for
19944	the CFA offset error fixed above.
19945	* config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19946	* dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19947	(dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19948	-funwind-tables and -fexceptions to enable frame info.
19949	(dwarf2out_frame_init): Define initial CFA even if
19950	DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
19951	DWARF2_UNWIND_INFO is nonzero, not just defined.
19952	(dwarf2out_frame_finish): Output non-EH call frame info only
19953	if DWARF2_FRAME_INFO is nonzero.
19954	(convert_cfa_to_loc_list,
19955	compute_frame_pointer_to_cfa_displacement): Define even if
19956	unwind info is not supported.
19957	(gen_subprogram_die): Use the above unconditionally.  Remove
19958	legacy alternate code.
19959	* toplev.c (compile_file): Compile in call to
19960	dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19961	(lang_dependent_init): Ditto for dwarf2out_frame_init.
19962
199632006-02-04  David Edelsohn  <edelsohn@gnu.org>
19964	    Jakub Jelinek  <jakub@redhat.com>
19965
19966	* config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19967	IBM extended float format long double as "g" on powerpc*-linux.
19968
199692006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19970
19971	PR target/25926
19972	* pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19973	* pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19974
199752006-02-03  Jason Merrill  <jason@redhat.com>
19976
19977	PR c++/25979
19978	* gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19979
19980	PR middle-end/25977
19981	* gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19982	on the return slot if it's an NRV.
19983
199842006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
19985
19986	* tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19987	(dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19988	rewrite_use): Do not handle USE_OUTER.
19989	(find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19990	add_iv_outer_candidates, may_replace_final_value,
19991	determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19992	(find_interesting_uses_op): Functionality of
19993	find_interesting_uses_outer_or_nonlin moved here.
19994	(find_interesting_uses_outside): Use find_interesting_uses_op.
19995
199962006-02-03  Alan Modra  <amodra@bigpond.net.au>
19997
19998	PR target/25960
19999	* config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
20000
200012006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
20002	    Ulrich Weigand  <uweigand@de.ibm.com>
20003
20004	PR target/25864
20005	* config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
20006	"x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
20007	* config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
20008	* config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
20009	and dxr fields.
20010	(z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
20011	(s390_rtx_costs): Use the new fields to calculate rtx costs.
20012	(s390_secondary_input_reload_class, s390_secondary_output_reload_class):
20013	Define secondary reloads for TFmode moves.
20014	(constant_modes): Add TFmode.
20015	(NR_C_MODES): Set to 8.
20016	* config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
20017	builtin define.
20018	(LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
20019	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
20020	(HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
20021	CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
20022	* config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
20023	fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
20024	(FPR mode macro): Add TFmode.
20025	(DSF mode macro): New.
20026	(<de>, <dee> mode attributes): Removed.
20027	(<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
20028	("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
20029	"*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
20030	"floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
20031	"*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
20032	"*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
20033	"*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
20034	"*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
20035	"*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
20036	"*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
20037	"*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
20038	"*negabs<mode>2", "sqrt<mode>2"):
20039	Changed <de> to <xde>. R constraint replaced by <Rf>.
20040	("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
20041	<Rf>.
20042	("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
20043	("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
20044	("*movtf_64", "*movtf_31"): New insn definitions followed by 5
20045	splitters.
20046	("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
20047	"extenddftf2", "extendsftf2"): New expanders.
20048	("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
20049	"*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
20050	"*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
20051	* config/s390/s390.opt (mlong-double-128, mlong-double-64):
20052	New options.
20053	* config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
20054	* config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
20055	__fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
20056	__floatditf): Add a GCC_4.1.0 symbol version tag.
20057	* doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
20058	the new options.
20059
200602006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
20061
20062	PR target/25377
20063	* config/i386/i386.c (ix86_function_ok_for_sibcall):
20064	Use targetm.binds_local_p instead of TREE_PUBLIC.
20065
200662006-02-02  Roger Sayle  <roger@eyesopen.com>
20067
20068	* tree.h (TYPE_STRING_FLAG): Document that this field may be used
20069	on INTEGER_TYPEs to indicate that it denotes a character type.
20070	* tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
20071	signed_char_type_node, unsigned_char_type_node and char_type_node.
20072	* dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
20073	INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
20074	a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
20075
200762006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
20077	    Daniel Berlin  <dberlin@dberlin.org>
20078
20079	* tree-tailcall.c (arg_needs_copy_p): New function.
20080	(eliminate_tail_call): Use arg_needs_copy_p.
20081	(tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
20082	(add_virtual_phis): New function.
20083
200842006-02-02  Jakub Jelinek  <jakub@redhat.com>
20085
20086	* config/sparc/sparc.c (sparc_output_scratch_registers): Use
20087	#ignore instead of #scratch for %g7 .register directive.
20088
200892006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
20090
20091	* config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
20092	object files.
20093
200942006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
20095
20096	* flow.c (calculate_global_regs_live): Assert that there aren't any
20097	EDGE_FAKE edges.
20098
200992006-02-02  Paolo Bonzini  <bonzini@gnu.org>
20100
20101	* tree-flow-inline.h (bsi_after_labels): Rewrite, return
20102	what its name says.
20103	* lambda-code.c (perfect_nestify): Use bsi_insert_before on
20104	bsi_after_labels iterator.
20105	* tree-if-conv.c (find_phi_replacement_condition,
20106	replace_phi_with_cond_modify_expr): Likewise.
20107	* tree-scalar-evolution.c (scev_const_prop): Likewise.
20108	* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
20109
201102006-02-02  Diego Novillo  <dnovillo@redhat.com>
20111
20112	* tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
20113
201142006-02-02  Diego Novillo  <dnovillo@redhat.com>
20115
20116	PR 25990
20117	* tree-cfg.c (move_block_to_fn): Clear out the basic block
20118	array after growing it.
20119
201202006-02-01  Steve Ellcey  <sje@cup.hp.com>
20121
20122	PR middle-end/24901
20123	* fold-const.c (fold_checksum_tree): Change type of buf.
20124
201252006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
20126
20127	* reload.c (push_secondary_reload): Initialize t_icode.
20128
201292006-02-01  Jakub Jelinek  <jakub@redhat.com>
20130
20131	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
20132	-msoft-float -mlong-double-128 only issue a warning, but don't
20133	swich to DFmode long double.
20134
201352006-02-01  Hans-Peter Nilsson  <hp@axis.com>
20136
20137	* cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
20138	has a constant equivalent, iterate over equivalents for arg0,
20139	calling simplify_relational_operation and if there's a result
20140	cheaper than X, apply fold_rtx and return the result.
20141
201422006-02-01  Jan Hubicka  <jh@suse.cz>
20143
20144	* opts.c (no_unit_at_a_time_default): New global variable.
20145	(decode_options): Use it.
20146	* opts.h (no_unit_at_a_time_default): Declare.
20147
201482006-02-01  Paul Brook  <paul@codesourcery.com>
20149
20150	* function.c (assign_parm_setup_reg): Use function argument promotion
20151	rules.
20152	* expr.c (expand_expr_real_1): Use function argument promotion rules
20153	for PARM_DECLs.
20154
201552006-02-01  Steve Ellcey  <sje@cup.hp.com>
20156
20157	* gcc.c (process_command): Change j to 'unsigned int'.
20158
201592006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
20160
20161	PR middle-end/26001
20162	* expr.c (expand_expr_real_1) <case ARRAY_REF>:
20163	Use the corrected index for the character
20164	out of the string constant.
20165
201662006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
20167
20168	* mode-switching.c (optimize_mode_switching): Fix size
20169	allocated for bb_info[n_entities].
20170
201712006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
20172
20173	* gcc.c (main): Correct type that is allocated for
20174	explicit_link_files.
20175
201762006-01-31  Jakub Jelinek  <jakub@redhat.com>
20177
20178	* config/s390/s390.c (init_alignment_context): Set
20179	ALIAS_SET_MEMORY_BARRIER on the MEM.
20180	* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
20181
201822006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
20183
20184	PR middle-end/25933
20185	* loop-unroll.c (unroll_loop_runtime_iterations): Free
20186	dom_bbs pointer.
20187	* tree-ssa-live.c (type_var_init): Allocate bitmap after
20188	call to tpa_init.
20189
201902006-01-31  Marcin Dalecki  <martin@dalecki.de>
20191
20192	* tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
20193	* regrename.c: Ditto.
20194	* tree-ssa-loop-im.c: Ditto.
20195	* tree-dump.c: Ditto.
20196	* tree-complex.c: Ditto.
20197	* genrecog.c: Ditto.
20198	* tree-ssa-threadupdate.c: Ditto.
20199	* tracer.c: Ditto.
20200	* java/class.c: Ditto.
20201	* java/jcf-parse.c: Ditto.
20202	* java/resource.c: Ditto.
20203	* java/except.c: Ditto.
20204	* java/jvspec.c: Ditto.
20205	* java/jcf-write.c: Ditto.
20206	* java/jcf-path.c: Ditto.
20207	* java/gjavah.c: Ditto.
20208	* java/zextract.c: Ditto.
20209	* java/jcf-io.c: Ditto.
20210	* java/jcf.h: Ditto.
20211	* java/buffer.c: Ditto.
20212	* java/lang.c: Ditto.
20213	* java/parse-scan.y: Ditto.
20214	* java/lex.c: Ditto.
20215	* java/lex.h: Ditto.
20216	* cfgloopmanip.c: Ditto.
20217	* postreload-gcse.c: Ditto.
20218	* tree-ssa-loop-manip.c: Ditto.
20219	* postreload.c: Ditto.
20220	* tree-ssa-loop-ch.c: Ditto.
20221	* loop.c: Ditto.
20222	* ipa-cp.c: Ditto.
20223	* cppspec.c: Ditto.
20224	* diagnostic.c: Ditto.
20225	* final.c: Ditto.
20226	* genoutput.c: Ditto.
20227	* gcc.c: Ditto.
20228	* cfghooks.c: Ditto.
20229	* cfgloopanal.c: Ditto.
20230	* objc/objc-act.c: Ditto.
20231	* gcov.c: Ditto.
20232	* genextract.c: Ditto.
20233	* genautomata.c: Ditto.
20234	* pretty-print.c: Ditto.
20235	* genemit.c: Ditto.
20236	* cgraphunit.c: Ditto.
20237	* flow.c: Ditto.
20238	* df-scan.c: Ditto.
20239	* haifa-sched.c: Ditto.
20240	* dominance.c: Ditto.
20241	* dbxout.c: Ditto.
20242	* tree-ssa-loop-ivopts.c: Ditto.
20243	* df-core.c: Ditto.
20244	* mode-switching.c: Ditto.
20245	* modulo-sched.c: Ditto.
20246	* graph.c: Ditto.
20247	* ipa-pure-const.c: Ditto.
20248	* cse.c: Ditto.
20249	* fix-header.c: Ditto.
20250	* web.c: Ditto.
20251	* tree-stdarg.c: Ditto.
20252	* ipa-utils.c: Ditto.
20253	* loop-init.c: Ditto.
20254	* ipa-inline.c: Ditto.
20255	* cfganal.c: Ditto.
20256	* global.c: Ditto.
20257	* alloc-pool.c: Ditto.
20258	* dwarf2out.c: Ditto.
20259	* opts.c: Ditto.
20260	* genattrtab.c: Ditto.
20261	* tree-ssa-loop-ivcanon.c: Ditto.
20262	* predict.c: Ditto.
20263	* timevar.c: Ditto.
20264	* lcm.c: Ditto.
20265	* fortran/gfortranspec.c: Ditto.
20266	* regmove.c: Ditto.
20267	* local-alloc.c: Ditto.
20268	* langhooks.c: Ditto.
20269	* function.c: Ditto.
20270	* tree-vectorizer.c: Ditto.
20271	* gcse.c: Ditto.
20272	* ipa-type-escape.c: Ditto.
20273	* alias.c: Ditto.
20274	* tree-if-conv.c: Ditto.
20275	* profile.c: Ditto.
20276	* ipa.c: Ditto.
20277	* tree-data-ref.c: Ditto.
20278	* loop-unroll.c: Ditto.
20279	* treelang/treetree.c: Ditto.
20280	* calls.c: Ditto.
20281	* bt-load.c: Ditto.
20282	* ggc-common.c: Ditto.
20283	* except.c: Ditto.
20284	* coverage.c: Ditto.
20285	* cselib.c: Ditto.
20286	* tree-cfgcleanup.c: Ditto.
20287	* tree-ssa-pre.c: Ditto.
20288	* cfgcleanup.c: Ditto.
20289	* loop-invariant.c: Ditto.
20290	* loop-iv.c: Ditto.
20291	* ipa-prop.c: Ditto.
20292	* print-tree.c: Ditto.
20293	* conflict.c: Ditto.
20294	* ggc-page.c: Ditto.
20295	* sched-deps.c: Ditto.
20296	* regclass.c: Ditto.
20297	* tree-object-size.c: Ditto.
20298	* combine.c: Ditto.
20299	* bb-reorder.c: Ditto.
20300	* resource.c: Ditto.
20301	* var-tracking.c: Ditto.
20302	* cfgloop.c: Ditto.
20303	* df-problems.c: Ditto.
20304	* reg-stack.c: Ditto.
20305	* tlink.c: Ditto.
20306	* gccspec.c: Ditto.
20307	* sched-rgn.c: Ditto.
20308	* tree-ssa-structalias.c: Ditto.
20309	* tree-ssa-reassoc.c: Ditto.
20310	* config/darwin-c.c: Ditto.
20311	* config/darwin.c: Ditto.
20312	* config/arm/arm.c: Ditto.
20313	* cfgrtl.c: Ditto.
20314	* collect2.c: Ditto.
20315	* reload1.c: Ditto.
20316
203172006-01-31  Nicolas Pitre  <nico@cam.org>
20318
20319	* arm.md (smaxsi3): Make aware of smax_m1.
20320	(smax_m1): New.
20321
203222006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
20323
20324	* config/m68k/lb1sf68.asm: Use moveq to load small constants.
20325
203262006-01-31  Richard Guenther  <rguenther@suse.de>
20327
20328	* doc/invoke.texi (-msselibm): Document.
20329	* target.h (expand_library_builtin): New target hook.
20330	* builtins.c (expand_builtin): Use expand_library_builtin.
20331	(default_expand_library_builtin): New function.
20332	* gcc.c (LINK_GCC_MATH_SPEC): Define.
20333	(LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20334	(link_gcc_math_spec): Declare.
20335	(static_specs): Add link_gcc_math_spec.
20336	* expr.h (default_expand_library_builtin): Declare.
20337	* target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20338	(TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20339	* config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20340	* config/i386/i386.opt (msselibm): New target option.
20341	* config/i386/i386.c (ix86_builtin_function_variants): New array.
20342	(ix86_init_sse_abi_builtins): New function.
20343	(ix86_expand_library_builtin): Likewise.
20344	(TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20345	(override_options): Handle error conditions wrt -msselibm.
20346	(ix86_builtins): Add function codes for SSE2 ABI builtins.
20347	(ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20348	* doc/extend.texi (__builtin_sse2_*): Document new target specific
20349	builtins.
20350
203512006-01-31  Richard Guenther  <rguenther@suse.de>
20352	Paolo Bonzini  <bonzini@gnu.org>
20353
20354	* doc/install.texi (--disable-libgcc-math): Document.
20355
203562006-01-30  Marcin Dalecki  <martin@dalecki.de>
20357
20358	* expr.h (expand_normal): new inline function.
20359	* builtins.c: use it, use EXPAND_NORMAL explicitely.
20360	* dojump.c: use it.
20361	* dwarf2out.c: use it.
20362	* expr.c: use it.
20363	* calls.c: use it.
20364	* expmed.c: use it.
20365	* except.c: use it.
20366	* config/sparc/sparc.c: use it.
20367	* config/i386/i386.c: use it.
20368	* config/rs6000/rs6000.c: use it.
20369	* config/arm/arm.c: use it.
20370	* config/mips/mips.c: use it.
20371	* stmt.c: use it, use EXPAND_NORMAL explicitely.
20372
203732006-01-30  Roger Sayle  <roger@eyesopen.com>
20374
20375	* config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20376	argv to the appropriate type.
20377
203782006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
20379
20380	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20381	unreachable code.
20382
203832006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
20384
20385	PR target/26018
20386	* config/s390/s390.c (struct machine_function): New flag
20387	decomposed_literal_pool_addresses_ok_p.
20388	(s390_reorg): Set it before final stage of literal pool transforms.
20389	(s390_decompose_address): Only accept displacements of the form
20390	(minus (label_ref ...) (label_ref ...)) if that flag is set.
20391
203922006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
20393
20394	* optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20395	the comparison routine return.
20396
203972006-01-30  Michael Matz  <matz@suse.de>
20398
20399	* global.c (find_reg): Only evict for global regs.
20400	Take n_refs into account and dump more info.
20401
204022006-01-30  J"orn Rennecke <joern.rennecke@st.com>
20403
20404	PR target/14798:
20405	* sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20406	(pragma_trap, pragma_nosave_low_regs): Likewise.
20407	(current_function_anonymous_args): Likewise.
20408	(sh_deferred_function_attributes): New variable.
20409	(sh_deferred_function_attributes_tail): Likewise.
20410	(print_operand): For '@', look up trap_exit attribute.
20411	(calc_live_regs): Look up trapa_handler attribute.  For trapa
20412	handlers, save/restore fpscr, but don't do any other
20413	interrupt-specific saves.
20414	Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20415	Fix check for partially saved registers to check for SHmedia.
20416	(sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20417	(sh_output_function_epilogue): Don't clear any of the removed
20418	variables.
20419	(sh_insert_attributes): Don't check pragma_interrupt.
20420	Insert deferred attributes.  Check that interrupt attribute is
20421	present for other attributes that require its presence.
20422	(sh_attribute_table): Add new attributes trapa_handler and
20423	nosave_low_regs.
20424	(sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20425	Don't check for pragma_interrupt.  Don't store argument.
20426	* sh.h (pragma_interrupt, sp_switch): Don't declare.
20427	(sh_deferred_function_attributes): Declare.
20428	(sh_deferred_function_attributes_tail): Likewise.
20429	* sh.md (sp_switch_1): Add operand.  Change generator caller.
20430	(sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20431	(*return_i): Don't use when trap_exit attribute is in effect.
20432	(*return_trapa): New insn pattern.
20433	* sh-c.c: New file.
20434	* config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20435	setting c_target_objs and cxx_target_objs.
20436	* t-sh: Add rule for sh-c.o.
20437
204382006-01-30  Richard Guenther  <rguenther@suse.de>
20439
20440	PR c++/23372
20441	* gimplify.c (gimplify_target_expr): Handle easy cases
20442	without creating a temporary.
20443
204442006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
20445
20446	* vec.h (safe_grow): Remove duplicated line.
20447
204482006-01-29  Diego Novillo  <dnovillo@redhat.com>
20449
20450	PR 25874
20451	* omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20452	(expand_omp): ... here.
20453	(expand_omp_parallel): Only remove barriers for combined
20454	parallel+workshare constructs.
20455
204562006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
20457
20458	Revert
20459
20460	2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
20461	* tree.c (build_qualified_type): Chain the new type to the original
20462	type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20463	a POINTER_TYPE or a REFERENCE_TYPE respectively.
20464	(build_pointer_type_for_mode): Only return unqualified types.
20465	(build_reference_type_for_mode): Likewise.
20466
204672006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
20468
20469	* configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20470	* Makefile.in (CXX_COMPAT_WARN): Define.
20471	* configure: Regenerate.
20472
204732006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
20474
20475	PR tree-opt/25911
20476	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20477	to an if check.
20478
204792006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
20480
20481	* toplev.c: Fix thinko.
20482
204832006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
20484	    Marcin Dalecki  <martin@dalecki.de>
20485
20486	* toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20487	(push_srcloc): Use XNEW.
20488	(init_asm_output, default_get_pch_validity): Use XNEWVEC.
20489
204902006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
20491
20492	* df-core.c (df_set_blocks): Deleted all variable.
20493
204942006-01-28  Ian Lance Taylor  <ian@airs.com>
20495
20496	* cgraphunit.c (cgraph_assemble_pending_functions): Call
20497	cgraph_output_pending_asms.
20498
204992006-01-28  Zack Weinberg  <zackw@panix.com>
20500
20501	* c.opt: Add -W(no-)overlength-strings.
20502	* doc/invoke.texi: Document it.
20503	* c-opts.c (c_common_handle_option): -pedantic implies
20504	-Woverlength-strings, if not explicitly disabled already.
20505	(c_common_post_options): -Woverlength-strings defaults to off, and
20506	is always off for C++.
20507	* c-common.c (fix_string_type): Issue warning about strings longer
20508	than is portable only if warn_overlength_strings.  Rearrange code
20509	a little for clarity.
20510	* configure.in: Check for -Wno-overlength-strings as well before
20511	enabling -pedantic in stage 1.
20512	* Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20513	(gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20514
20515	* genconditions.c (write_header, write_one_condition)
20516	(write_conditions, write_writer): Consolidate very long strings
20517	that were broken up to fit in C89 portable limit.  Don't use
20518	printf when fputs will do.
20519
205202006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
20521
20522	* combine.c (simplify_comparison <AND>): Check
20523	TRULY_NOOP_TRUNCATION before start using a subreg.
20524
20525	* config/mips/mips.md (*branch_zero<mode>,
20526	*branch_zero<mode>_inverted, *branch_equality<mode>,
20527	*branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20528	Remove mode check from comparisons.
20529
205302006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
20531
20532	* config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20533
205342006-01-28  Kazu Hirata  <kazu@codesourcery.com>
20535
20536	* expmed.c (const_mult_add_overflow_p): Remove.
20537	* expr.h: Remove the prototype for const_mult_add_overflow_p.
20538
20539	* recog.c (validate_replace_rtx_subexp): Remove.
20540	* recog.h: Remove the prototype for
20541	validate_replace_rtx_subexp.
20542
20543	* integrate.h: Remove the prototype for
20544	copy_decl_for_inlining.
20545	* rtl.h: Remove the prototype for mark_constant_function.
20546	* tree-vectorizer.h: Remove the prototype for
20547	vect_strip_conversion.
20548
20549	* modulo-sched.c (create_partial_schedule,
20550	free_partial_schedule, reset_partial_schedule): Make them
20551	static.
20552
20553	* hooks.c (hook_bool_rtx_int_false): Remove.
20554	* hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20555
205562006-01-28  David Edelsohn  <edelsohn@gnu.org>
20557
20558	* config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20559	and -mlong-double-128 are incompatible.
20560	* config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20561	* config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20562	(TARGET_LIBGCC2_CFLAGS): Define.
20563	* config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20564	(TARGET_LIBGCC2_CFLAGS): Same.
20565	* config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20566
205672006-01-28  Kazu Hirata  <kazu@codesourcery.com>
20568
20569	PR c/19606.
20570	* c-typeck.c (build_binary_op): Perform implicit casts of
20571	operands before shortening them.
20572
20573	* cfgloopmanip.c (split_loop_bb): Remove.
20574	* cfgloop.h: Remove the prototype for split_loop_bb.
20575
20576	* cfgloop.c (flow_loop_outside_edge_p): Remove.
20577	* cfgloop.h: Remove the prototype for
20578	flow_loop_outside_edge_p.
20579
20580	* emit-rtl.c (init_virtual_regs): Make it static.
20581	* function.h: Remove the prototype for init_virtual_regs.
20582
20583	* recog.c (peephole2_optimize): Make it static.
20584	* recog.h: Remove the prototype for peephole2_optimize.
20585
205862006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
20587
20588	* df-scan.c (df_record_entry_block_defs): Check if
20589	INCOMING_RETURN_ADDR_RTX is defined.
20590
205912006-01-27  Daniel Berlin  <dberlin@dberlin.org>
20592	    Kenneth Zadeck <zadeck@naturalbridge.com>
20593
20594	PR rtl-optimization/24762
20595	* doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20596	* targhooks.c (hook_void_bitmap): New hook prototype.
20597	* targhoohs.h (hook_void_bitmap): Ditto.
20598	* bitmap.h (bitmap_head_def): Moved to coretypes.h.
20599	* coretypes.h (bitmap_head_def): Moved from bitmap.h.
20600	* target.h (live_on_entry): New function pointer.
20601	* df-scan.c (df_all_hard_regs): Removed.
20602	(df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20603	(df_scan_free_internal): Added df->entry_block_defs.
20604	(df_scan_alloc): Ditto.
20605	(df_scan_dump): Ditto.
20606	(df_uses_record): Plumbed flag field properly thru calls.
20607	Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20608	This part fixes PR24762.
20609	(df_bb_refs_record): Added code to make the frame and arg
20610	pointers live in EH blocks.
20611	(df_refs_record): Added call to df_record_entry_block_defs.
20612	(df_record_entry_block_defs): New function.
20613	* df-core.c: Added comments to describe new artifical defs.
20614	* df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20615	(entry_block_defs): New field in struct df.
20616	(df_all_hard_regs): Deleted.
20617	* target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20618	* df-problems.c (df_ru_bb_local_compute_process_def):
20619	Added code to handle artifical defs in the entry to a function.
20620	(df_ru_bb_local_compute): Ditto.
20621	(df_rd_bb_local_compute_process_def): Ditto.
20622	(df_rd_bb_local_compute): Ditto.
20623	(df_lr_bb_local_compute): Ditto.
20624	(df_ur_bb_local_compute): Ditto.
20625	(df_urec_bb_local_compute): Ditto.
20626	(df_chain_create_bb): Ditto.
20627	(df_ur_local_finalize):	Removed entry.
20628	(df_urec_init): Ditto.
20629	(df_urec_local_finalize): Ditto.
20630	(df_ri_bb_compute): Added detection of last use of pseudos.
20631	* Makefile.in (df-scan.o): Updated dependencies.
20632	* config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20633	* config/mips/mips.c (mips_set_live_on_entry): Added.
20634	* config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20635	for target hook.
20636	* dce.c (marked_insn_p): Added code to handle artifical defs.
20637
206382006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
20639
20640	* config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20641	intrinsic.
20642	(_mm_cvtsi128_si64): Likewise.
20643	(_mm_cvtsd_si64): Likewise.
20644	(_mm_cvttsd_si64): Likewise.
20645	(_mm_cvtsi64_sd): Likewise.
20646	(_mm_cvtsi64_si128): Likewise.
20647	* config/i386/mmintrin.h (_m_from_int64): Likewise.
20648	(_mm_cvtsi64_m64): Likewise.
20649	(_m_to_int64): Likewise.
20650	(_mm_cvtm64_si64): Likewise.
20651	* config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20652	(_mm_cvttss_si64): Likewise.
20653	(_mm_cvtsi64_ss): Likewise.
20654	(_mm_cvtss_f32): Likewise.
20655
206562006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
20657
20658	* c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20659	for pragma redefine_extname.
20660
206612006-01-27  Jakub Jelinek  <jakub@redhat.com>
20662
20663	PR target/25864
20664	* libgcc-std.ver: Add GCC_4.1.0 symbol version.
20665	* config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20666	-mno-minimal-toc to previous content.
20667	(bispecs): Remove goal.
20668	* config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20669	* config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20670	compatibility aliases on powerpc-*-*gnu*.
20671	* config/rs6000/libgcc-ppc-glibc.ver: New file.
20672	* config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20673	libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20674	(TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20675	(ldblspecs): New goal.
20676	* config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20677	* mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20678	_df_to_tf.
20679	* config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20680	L_sf_to_tf or L_df_to_tf is defined.
20681
206822006-01-27  David Edelsohn  <edelsohn@gnu.org>
20683	    Alan Modra  <amodra@bigpond.net.au>
20684
20685	PR target/25864
20686	* config/rs6000/linux.h (POWERPC_LINUX): Define.
20687	* config/rs6000/linux64.h (POWERPC_LINUX): Define.
20688	* config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20689	* config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20690	* config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20691	* config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20692	(rs6000_override_options): Initialize rs6000_ieeequad.
20693	Initialize TFmode format to ibm_extended_format if not
20694	TARGET_IEEEQUAD.
20695	(rs6000_handle_option): Accept -mabi= ibmlongdouble and
20696	ieeelongdouble.
20697	(rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20698	(rs6000_return_in_memory): Only return IEEEQUAD in memory.
20699	(function_arg_advance): IBM long double passed in two FPRs, not
20700	split.
20701	(function_arg): IBM long double passed in FPRs.
20702	(rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20703	(rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20704	Only multireg GPR aligned.
20705	(rs6000_init_libfuncs): Enable IBM long double functions if not
20706	IEEEQUAD.
20707	(rs6000_generate_compare): Use IBM long double compare if not
20708	TARGET_IEEEQUAD.
20709	* config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20710	(TARGET_IEEEQUAD): Define.
20711	(CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20712	not TARGET_IEEEQUAD.
20713	* config/rs6000/rs6000.md: Enable TFmode patterns if
20714	!TARGET_IEEEQUAD.
20715	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20716	* config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20717	and -mlong-double-128 are incompatible.
20718	* doc/invoke.texi (-mabi): Collect options together.  Add
20719	ibmlongdouble and ieeelongdouble.
20720
207212006-01-27  Richard Sandiford  <richard@codesourcery.com>
20722
20723	* doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20724	opaque type.
20725	* optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20726	* varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20727	(force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20728	* rtl.h (rtunion_def): Remove rt_ptr.
20729	(X0PTR): Delete.
20730	(SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20731	(SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20732	* config/i386/winnt.c (i386_pe_mark_dllexport)
20733	(i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20734
207352006-01-27 Gabor Loki <loki@gcc.gnu.org>
20736
20737	* cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20738
207392006-01-26 Alexandre Oliva  <aoliva@redhat.com>
20740
20741	PR other/24829
20742	PR target/24831
20743	* gthr-dce.h: Do not gthrw-ify pthread_once_init,
20744	pthread_key_delete.  From John David Anglin.  gthrw-ify
20745	pthread_getunique_np only if it it's not a macro.  Delete
20746	UNUSED macro.
20747	(__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20748	__gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20749	__gthread_objc_condition_signal, __gthread_key_delete): Add
20750	"__attribute__ ((__unused__))" to unused arguments.
20751	(__gthread_recursive_mutex_init_function): Add missing return.
20752	* gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20753	gthr-posix95.h: Use macro-based approach for name redirection
20754	on targets missing weakref.
20755
207562006-01-26  Zack Weinberg  <zackw@panix.com>
20757
20758	* genconditions.c (write_header): In generated code, #ifdef out
20759	all includes and fake declarations, except includes of bconfig.h
20760	and system.h, unless GCC_VERSION >= 3001.  Do not include
20761	gensupport.h in any case.
20762	(write_conditions): Generate a definition of struct c_test.  Add
20763	a comment to the generated #endif.
20764	(write_one_condition): Escape backslashes in string too.
20765	(write_writer): Generated code must escape backslashes and quote
20766	marks (but not newlines) in the strings it writes.
20767	* Makefile.in (build/gencondmd.o): Update dependencies.
20768
207692006-01-26  Steve Ellcey  <sje@cup.hp.com>
20770
20771	PR target/25961
20772	* Makefile.in (insn-automata.o): Add header file dependencies.
20773	* genautomata.c: Add includes.
20774
207752006-01-26  Steve Ellcey  <sje@cup.hp.com>
20776
20777	PR target/25961
20778	* Makefile.in (insn-automata.o): Add -Wno-error flag.
20779
207802006-01-26  Paolo Bonzini  <bonzini@gnu.org>
20781
20782	* configure.ac: Expect target tools paths to be passed from the toplevel
20783	and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
20784	AS_SET_VAR_IF.
20785	* acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20786
207872006-01-26  Alexandre Oliva  <aoliva@redhat.com>
20788
20789	PR c/25892
20790	* c.opt (Wpointer-sign): Init to -1.
20791	* c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20792	OPT_pedantic, to 0 otherwise.
20793	* doc/invoke.texi: Update.
20794
207952006-01-26  Paolo Bonzini  <bonzini@gnu.org>
20796
20797	* config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20798	constants provided by 80387 instructions in the destination mode.
20799
208002006-01-26  Richard Guenther  <rguenther@suse.de>
20801	    Andrew Pinski  <pinskia@physics.uc.edu>
20802
20803	PR tree-opt/21470
20804	partial PR tree-opt/17064
20805	* tree-ssa-structalias.c (intra_create_variable_infos):
20806	Create heap variables for incoming parameters if
20807	flag_argument_noalias > 1.
20808	(find_what_p_points_to): Look through default defs of
20809	parameter decls.
20810
208112006-01-26  Jeff Law  <law@redhat.com>
20812
20813	PR ada/25900
20814	* tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20815	with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20816	within the VR_RANGE, use the VR_RANGE as the result, not the
20817	VR_ANTI_RANGE.
20818	(adjust_range_with_scev): Reject ranges from SCEV which are out of
20819	bounds for the type.
20820
208212006-01-26  Daniel Berlin  <dberlin@dberlin.org>
20822
20823	* tree-ssa-alias.c (maybe_create_global_var): Change
20824	subvar walking to an assertion that we don't have subvar'd variables.
20825
208262006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
20827
20828	PR C/25861
20829	* c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20830	Use a new variable, inner.  PARM_DECLs are always non-weak.
20831
208322006-01-26  Shantonu Sen  <ssen@opendarwin.org>
20833
20834	* tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20835	--disable-checking.
20836
208372006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
20838
20839	* config/mips/mips.md (*clear_upper32): New combiner pattern.
20840
208412006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
20842
20843	* arm.md (smaxsi3, sminsi3): Convert to define_expand.
20844	(smax_insn, smin_insn, smax_0, smin_0): New.
20845
208462006-01-26  Hans-Peter Nilsson  <hp@axis.com>
20847
20848	PR target/25947
20849	* config/cris/cris.c (cris_order_for_addsi3): New function.
20850	* config/cris/cris-protos.h: Prototype it.
20851	* config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20852	(split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20853	(split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20854	(split for "op.S1 [rx=rx+i],ry (swapped)")
20855	(split for "op(s|u).S1 [rx=rx+i],ry")
20856	(split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20857	Apply cris_order_for_addsi3 when generating addsi3 insns.
20858
208592006-01-25  Diego Novillo  <dnovillo@redhat.com>
20860
20861	* tree.h (TREE_RANGE_CHECK): Fix range predicate.
20862	(TREE_BLOCK): Add call to EXPR_CHECK.
20863
208642006-01-25  Diego Novillo  <dnovillo@redhat.com>
20865
20866	PR 25886
20867	* tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20868	* tree-pretty-print.c (dump_omp_clause): Extract from ...
20869	(dump_omp_clauses): ... here.
20870	(dump_generic_node): Handle OMP_CLAUSE.
20871	* tree.c (omp_clause_num_ops): New.
20872	(omp_clause_code_name): New.
20873	(tree_code_size): Handle OMP_CLAUSE.
20874	(tree_size): Likewise.
20875	(make_node): Document handling of OMP_CLAUSE.
20876	(tree_node_structure): Handle OMP_CLAUSE.
20877	(omp_clause_check_failed): New.
20878	(omp_clause_range_check_failed): New.
20879	(omp_clause_operand_check_failed): New.
20880	(build_omp_clause): New.
20881	(walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20882	* tree.h (enum omp_clause_code): Declare.
20883	(OMP_CLAUSE_SUBCODE_CHECK): Define.
20884	(OMP_CLAUSE_RANGE_CHECK): Define.
20885	(OMP_CLAUSE_ELT_CHECK): Define.
20886	(omp_clause_check_failed): Declare.
20887	(omp_clause_operand_check_failed): Declare.
20888	(omp_clause_range_check_failed): Declare.
20889	(OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20890	(OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20891	(OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20892	(OMP_CLAUSE_LASTPRIVATE): Likewise.
20893	(OMP_CLAUSE_IF_EXPR): Likewise.
20894	(OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20895	(OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20896	(OMP_CLAUSE_REDUCTION_CODE): Likewise.
20897	(OMP_CLAUSE_REDUCTION_INIT): Likewise.
20898	(OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20899	(OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20900	Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20901	(OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20902	(OMP_CLAUSE_DEFAULT_KIND): Likewise.
20903	(OMP_CLAUSE_CODE): Define.
20904	(OMP_CLAUSE_SET_CODE): Define.
20905	(OMP_CLAUSE_CODE): Define.
20906	(OMP_CLAUSE_OPERAND): Define.
20907	(struct tree_omp_clause): Declare.
20908	(union tree_node): Add field 'omp_clause'.
20909	* treestruct.def (TS_OMP_CLAUSE): Define.
20910	* tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20911	OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20912	OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20913	OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20914	OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20915	OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20916	(OMP_CLAUSE): Define.
20917	* print-tree.c (print_node): Handle OMP_CLAUSE.
20918	* omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20919	* c-typeck.c: Likewise.
20920	* gimplify.c: Likewise.
20921	* c-omp.c: Likewise.
20922	* tree-nested.c: Likewise.
20923	* tree-inline.c: Likewise.
20924	* c-parser.c: Likewise.
20925	* gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20926	clauses.
20927
209282006-01-25  Roger Sayle  <roger@eyesopen.com>
20929
20930	PR rtl-optimization/25703
20931	* combine.c (try_combine): Handle zero_extract and strict_low_part
20932	of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20933
209342006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
20935
20936	* global.c: Fix comment typos.
20937
209382006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
20939
20940	PR target/25758
20941	* config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20942	Use output_addr_const instead of assemble_name.
20943
209442006-01-25  Paolo Bonzini  <bonzini@gnu.org>
20945
20946	* Makefile.in (sched-vis.o): Update dependencies.
20947	* haifa-sched.c (sched_finish): Clear current_sched_info.
20948	* cfg.c (dump_bb_info): New, split from dump_flow_info.
20949	(dump_flow_info): Call it.
20950	* passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20951	a slim RTL dump.
20952	* basic-block.h (dump_bb_info): Declare.
20953	* tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20954	option, and apply options only for dump files whose TDF_RTL,
20955	TDF_TREE, or TDF_IPA bits match.
20956	* rtl.h: Declare new functions exported from sched-vis.c.
20957	* sched-vis.c: Enable also if scheduling is not used.
20958	(print_value): Print the mode of registers if not inside scheduling.
20959	(print_insn): Make it work outside the scheduler.  Beautify the output
20960	a bit.
20961	(dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20962
209632006-01-25  Richard Sandiford  <richard@codesourcery.com>
20964
20965	* doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20966	* gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20967	a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20968	depending on the value of CONSTANT_POOL_ADDRESS_P.
20969	* optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20970	SYMBOL_REF_DECL.
20971	* varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20972	rather than SYMBOL_REF_DECL.
20973	(rtx_constant_pool): Remove const_rtx_sym_htab.
20974	(const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20975	(init_varasm_status): Don't initialize const_rtx_sym_htab.
20976	(force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20977	Remove handling of const_rtx_sym_htab.
20978	(find_pool_constant): Delete.
20979	(get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20980	rather than find_pool_constant.
20981	(get_pool_constant_for_function): Delete.
20982	(get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20983	find_pool_constant.
20984	* rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20985	(X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20986	(SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20987	(SYMBOL_REF_CONSTANT): New macro.
20988	(get_pool_constant_for_function): Delete.
20989	* config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20990	rather than SYMBOL_REF_DECL.
20991	(i386_pe_mark_dllimport): Likewise.
20992	* config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20993	rather than SYMBOL_REF_DECL.
20994	* config/darwin.c (machopic_indirect_data_reference): Likewise.
20995	(machopic_indirect_call_target): Likewise.
20996
209972006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
20998
20999	* flow.c (delete_noop_moves): Add missing EOL to dump message.
21000
210012006-01-25  Richard Sandiford  <richard@codesourcery.com>
21002
21003	* genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
21004
210052006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
21006
21007	* config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
21008
210092006-01-24  David Daney  <ddaney@avtrex.com>
21010
21011	PR java/25816
21012	* configure.ac (enable_tls): New enable option.
21013	(HAVE_AS_TLS): Don't do assembler check if enable_tls set.
21014	* configure: Regenerate.
21015	* doc/install.texi (--enable-tls): Document new option.
21016	(--disable-tls): Ditto.
21017
210182006-01-24  Richard Henderson  <rth@redehat.com>
21019
21020	* alias.h (ALIAS_SET_MEMORY_BARRIER): New.
21021	* alias.c (true_dependence): Respect it.
21022	(canon_true_dependence, write_dependence_p): Likewise.
21023	* builtins.c (get_builtin_sync_mem): Set it.
21024
210252006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
21026
21027	* loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
21028	efficient way.
21029
210302006-01-24  DJ Delorie  <dj@redhat.com>
21031
21032	* expmed.c (store_bit_field): Don't arbitrarily deny using insv
21033	for storing constants in single-bit bitfields.
21034
210352006-01-25  Ben Elliston  <bje@au.ibm.com>
21036
21037	* dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
21038
210392006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
21040
21041	PR tree-opt/25860
21042	* tree-ssa-pre.c (phi_translate): Return NULL
21043	for AGGREGATE_TYPE's.
21044
210452006-01-24  Zack Weinberg  <zackw@panix.com>
21046
21047	* genautomata.c (process_state_for_insn_equiv_partition):
21048	Use xcalloc for insn_arcs_array.
21049	* vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
21050	(DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
21051
210522006-01-24  Richard Henderson  <rth@redhat.com>
21053
21054	* genextract.c (VEC_safe_set_locstr): Take VEC by reference;
21055	update all callers.
21056
210572006-01-23  Paolo Bonzini  <bonzini@gnu.org>
21058
21059	PR rtl-optimization/25890
21060	PR rtl-optimization/25905
21061	* combine.c (expand_compound_operation, expand_field_assignment):
21062	Fail if the bitfield's final position is out of bounds.
21063
210642006-01-24  Ian Lance Taylor  <ian@airs.com>
21065
21066	PR middle-end/25930
21067	* cgraphunit.c (cgraph_output_in_order): Don't clear
21068	cgraph_asm_nodes until after asm strings have been output.
21069
210702006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
21071
21072	* fix-header.c (read_scan_file): Add new parameter imultilib when
21073	calling register_include_chains.
21074
210752006-01-23  Diego Novillo  <dnovillo@redhat.com>
21076
21077	* omp-low.c: Update documentation.
21078
210792006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
21080	    Daniel Berlin  <dberlin@dberlin.org>
21081
21082	PR tree-opt/25315
21083	PR tree-opt/25857
21084	* tree-ssa-pre.c (insert_extra_phis): If an incoming edge is abnormal
21085	return from the function.
21086
210872006-01-22  Zack Weinberg  <zackw@panix.com>
21088
21089	* rtl.def (match_code): Add second argument.
21090	* genpreds.c (write_extract_subexp): New function.
21091	(write_match_code): Add path argument.  Use write_extract_subexp.
21092	(write_predicate_expr): Pass path to write_match_code.
21093	(mark_mode_tests): MATCH_CODE applied to a subexpression does
21094	not perform a mode test.
21095	* genrecog.c (compute_predicate_codes): MATCH_CODE applied to
21096	a subexpression does not constrain the top-level code set.
21097	* read-rtl.c (read_rtx_variadic): New function.
21098	(read_rtx_1): Use it; allow AND and IOR to be variadic.
21099	* doc/md.texi: Document new notation.
21100	* config/i386/predicates.md (cmpsi_operand_1): Fold into ...
21101	(cmpsi_operand): ... here, using new notation.
21102
211032006-01-22  Zack Weinberg  <zackw@panix.com>
21104
21105	* varray.c: Remove GENERATOR_FILE #ifdefs.
21106
211072006-01-22  Zack Weinberg  <zackw@panix.com>
21108
21109	* genautomata.c (output_reserved_units_table): Emit nothing if
21110	description->query_units_num is zero.  Remove extra blank line.
21111	(output_cpu_unit_reservation_p): Short circuit
21112	if description->query_units_num is zero.
21113
211142006-01-22  Zack Weinberg  <zackw@panix.com>
21115
21116	* genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
21117	and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
21118	nor any of the random handful of variables that used to be necessary
21119	when this program was linked with rtlanal.o.  Prune set of forward
21120	function declarations.
21121	(struct attr_desc): Remove static_p field.
21122	(hash_obstack, temp_obstack, attr_hash_table, attr_printf)
21123	(check_attr_test, make_internal_attr, make_numeric_value): Make static.
21124	(attr_string): Do not read the character one past the length of
21125	the string.
21126	(write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
21127	(struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
21128	(n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
21129	(n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
21130	(make_automaton_attrs): New.
21131	(main): Do not call into genautomata.  Call local gen_bypass
21132	and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
21133	Remove special case for insn_alts.
21134	* genautomata.c: Include gensupport.h; not genattrtab.h nor
21135	varray.h (leftover from previous change).  Prune set of forward
21136	function declarations.  Remove state_alts fields from all
21137	structures.  Remove state_alts_table from struct automaton.
21138	Make everything except main static.  Do not maintain num_dfa_decls.
21139	Do not maintain state_alts fields of various structures.
21140	(process_decls): Don't validate condexp for dm_insn_reserv decls.
21141	(add_arc): Remove state_alts argument.  All callers updated.
21142	(output_reserved_units_table): Emit #ifdef here...
21143	(output_tables): ...not here.  Don't generate state_alts tables.
21144	(expand_automata): Don't generate attributes.
21145	(write_automata): Don't generate state_alts functions.
21146	(main): New function.
21147	(it_is_empty_reserv_sets, output_state_alts_full_vect_name)
21148	(output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
21149	(AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
21150	(STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
21151	(BYPASS_P_FUNC_NAME, output_state_alts_table)
21152	(output_automata_list_state_alts_code, output_internal_state_alts_func)
21153	(output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
21154	(make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
21155	Delete.
21156	* genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
21157	* genattrtab.h: Delete file.
21158	* Makefile.in (OBJS-common): Add insn-automata.o.
21159	(insn-automata.o): New rule.
21160	(simple_generated_c): Add insn-automata.c.
21161	(build/genattrtab.o, build/genautomata.o): Update dependencies.
21162	(genprogmd): Add automata.
21163	(build/genattrtab): Needs no extra objects nor libraries.
21164	(build/genautomata): Needs build/vec.o and -lm.
21165
211662006-01-22  Zack Weinberg  <zackw@panix.com>
21167
21168	* genautomata.c (process_state_longest_path, max_dfa_issue_rate)
21169	(output_dfa_max_issue_rate, locked_states_num): Delete.
21170	(struct automaton): Add locked_states field.
21171	(output_dead_lock_vect): Save number of locked states in
21172	automaton->locked_states.  If it is zero, don't print anything.
21173	(output_max_insn_queue_index_def): Define max_insn_queue_index const.
21174	(output_internal_dead_lock_func): Only test the dead_lock_vect
21175	for automata that have locked states.
21176	(output_statistics): Always print the number of locked states for
21177	each automaton.  Calculate total number of locked states here.
21178	(write_automata): Don't call output_dfa_max_issue_rate.
21179	* genattrtab.c: Define length_unit_log as a const variable.
21180	* genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
21181	max_insn_queue_index const.
21182	* final.c (length_unit_log): Declare const.
21183	* doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
21184
211852006-01-22  Zack Weinberg  <zackw@panix.com>
21186
21187	* genautomata.c: Include vec.h, not varray.h.
21188	Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
21189	VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
21190	VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
21191	VEC_* macros operating on appropriately typed vectors, or to
21192	malloced arrays when the size is known in advance.  Const-ify
21193	many char* variables and function arguments.  No functional changes.
21194	* Makefile.in (build/varray.o): Delete rule.
21195	(build/genattrtab): Depend on build/vec.o instead of build/varray.o.
21196	(build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
21197
211982006-01-22  Zack Weinberg  <zackw@panix.com>
21199
21200	* gensupport.c: Define get_insn_name and record_insn_name here.
21201	(read_md_rtx): Call record_insn_name as appropriate.
21202	* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
21203	* genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
21204	* genpreds.c, genrecog.c: Don't define get_insn_name nor
21205	record_insn_name.
21206	* Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
21207	(BUILD_VARRAY): Delete.
21208	(genprognormal): Rename genprogmd.  Fold in all programs from
21209	genprognoprint; also attrtab.
21210	(build/genattrtab): Just mention genautomata.o and varray.o.
21211	Reorganize a bit, add comments to make the categories clearer.
21212
212132006-01-22  Zack Weinberg  <zackw@panix.com>
21214
21215	* genconditions.c (condition_table, add_condition): Delete.
21216	(write_conditions): Don't emit n_insn_conditions nor
21217	insn_elision_unavailable.  Issue the gcc version #ifdef here,
21218	inside the table, with no #else clause ...
21219	(write_header): ...not here.
21220	(write_writer): New function.
21221	(main): Don't initialize condition_table.  Use add_c_test.
21222	Call write_writer.
21223	* gensupport.c (init_md_reader_args_cb): Handle multiple input
21224	files on the command line.
21225	(maybe_eval_c_test): Don't check insn_elision_unavailable.
21226	Return -1 if there is no entry in the table, don't abort.
21227	(add_c_test, traverse_c_tests): New functions.
21228	* gensupport.h (insn_elision_unavailable, insn_conditions)
21229	(n_insn_conditions): Delete declarations.
21230	(add_c_test, traverse_c_tests): Declare.
21231	* read-rtl.c: Include gensupport.h.
21232	(read_conditions): New function.
21233	(read_rtx): If read_rtx_1 returns 0, treat as EOF.
21234	(read_rtx_1): If we get EOF when we were looking for an initial
21235	open paren, return 0.  Call read_conditions when appropriate.
21236	* Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
21237	dummy-conditions.o.  Eliminate references to insn-conditions.o,
21238	or change them to build/gencondmd.o, as appropriate.  Remove
21239	insn-constants.h from $(simple_generated_h) and insn-conditions.c
21240	from $(simple_generated_c).  For all files remaining in those
21241	two lists, add insn-conditions.md to the generator command line.
21242	Give insn-constants.h/s-constants their own rules.  Add rules
21243	for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
21244	(build/read-rtl.o): Depend on gensupport.h.
21245	(genprognormal): Include preds.
21246	(genprogearly): Rename genprognoprint; only difference is now that
21247	they don't link with $(BUILD_PRINT).
21248	* dummy-conditions.c: Delete.
21249
212502006-01-22  Zack Weinberg  <zackw@panix.com>
21251
21252	* genextract.c: Don't include insn-config.h.  Do include vec.h.
21253	Declare vectors of int, char, and locstr.
21254	(locstr): New typedef.
21255	(struct extraction): Make all array fields into bare pointers.
21256	(insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
21257	(insn_code_number): Delete.
21258	(accum_extract): New struct.
21259	(VEC_safe_set_locstr, VEC_char_to_string): New functions.
21260	(gen_insn): Take insn_code_number as an argument.  Use an
21261	accum_extract structure instead of loading data directly into
21262	a struct extraction, and having to know how big it might get.
21263	(walk_rtx): Operate entirely on an accum_extract structure.
21264	(print_path): Avoid unnecessary use of printf.
21265	(print_header): New function, split out of main.  Distinguish
21266	more carefully between an unrecognizable insn and an insn that
21267	has the code number of a define_expand.
21268	(main): Pass insn_code_number to gen_insn.  Call print_header
21269	only after parsing.  Avoid unnecessary use of printf.
21270	* Makefile.in (build/vec.o): New rule.
21271	(build/genextract): Depend on build/vec.o.
21272	(build/genextract.o): Don't depend on insn-config.h.
21273
212742006-01-22  Zack Weinberg  <zackw@panix.com>
21275
21276	* Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
21277	$(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
21278	practical.  Eliminate per-generator-program link rules.
21279
212802006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
21281
21282	PR middle-end/24437
21283	* tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
21284	with a call expr to ...
21285	* fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
21286
212872006-01-23  Richard Guenther  <rguenther@suse.de>
21288
21289	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21290	before make_edge with conditional EDGE_TRUE_VALUE.
21291
212922006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
21293	Jan Hubicka  <jh@suse.cz>
21294	Richard Guenther  <rguenther@suse.de>
21295
21296	PR rtl-optimization/25654
21297	* cfgexpand.c (aggregate_contains_union_type): New function.
21298	(add_alias_set_conflicts): Call it.  Make sure to add conflicts
21299	for structure variables that contain a union type.
21300
213012006-01-23  Richard Sandiford  <richard@codesourcery.com>
21302
21303	* gengtype.c (new_structure): Return the structure.
21304	(create_option): Add an extra "next" argument.
21305	(create_field): New function.
21306	(adjust_field_rtx_def): Use create_option and create_field.
21307	Remove a now-unnecessary call to find_structure.
21308	(adjust_field_tree_def): Likewise.
21309	(note_yacc_type): Remove an unnecessary call to find_structure.
21310	* gengtype.h (new_structure): Return the structure.
21311	(create_option): Add an extra argument.
21312	* gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21313	(option): Adjust calls to create_option.
21314
213152006-01-22  David Edelsohn  <edelsohn@gnu.org>
21316
21317	* config/rs6000/aix.h (STACK_BOUNDARY): Define.
21318
213192006-01-22  Paul Brook  <paul@codesourcery.com>
21320	Peter Barada  <peter@the-baradas.com>
21321
21322	* config/m68k/m68k.md: Add Coldfire FPU support.
21323	Define FP mode macro and associated attributes.
21324	Use it for float mode patterns.
21325	* config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21326	(LIBCALL_VALUE): Use m68k_libcall_value.
21327	* config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21328	(m68k_function_value): Ditto.
21329	(emit_move_sequence): Ditto.
21330	* config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21331	* config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21332	* config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21333	(MULTILIB_EXCEPTIONS): Ditto.
21334	* config/m68k/m68k.opt: Add mcfv4e.
21335	* config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21336	(m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21337	(m68k_output_function_prologue): Save ColdFire FPU registers.
21338	(m68k_output_function_epilogue): Restore ColdFire FPU registers.
21339	(force_mode, fp_reg_operand, emit_move_sequence): New functions.
21340	(m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21341	ColdFire FPU registers.
21342	(m68k_libcall_value, m68k_function_value): New functions.
21343	* config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21344	(LIBCALL_VALUE): Use m68k_libcall_value.
21345	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21346	(MASK_COLDFIRE): Add MASK_CFV4E.
21347	(TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21348	(MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21349	(REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21350	(GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21351	(GO_IF_LEGITIMATE_ADDRESS): Use it.
21352	(LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21353	* doc/invoke.tex: Document -mcfv4e on m68k.
21354
213552006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
21356
21357	* doc/contribute.texi: Change CVS to SVN and update the corresponding
21358	URL.
21359
213602006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
21361
21362	PR c++/16190
21363	* c-opts.c (c_common_handle_option): Don't include
21364	-Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21365	* doc/invoke.texi (C++ Dialect Options): Document that
21366	-Wnon-virtual-dtor is no longer included in -Wall.
21367
213682006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
21369
21370	* gcov.c (print_version), gcov-dump.c (print_version),
21371	mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21372	dates.
21373
213742006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
21375
21376	* df-scan.c (problem_SCAN): Added NULL reset function.
21377	(df_scan_reset_blocks): Added code to call reset block function
21378	(df_bb_refs_delete) Fixed comment.
21379	(df_insn_refs_delete): Made tolerant of deleting non existent info
21380	for dataflow problems that need to be reset.
21381	* df-core.c (df_set_blocks): Ditto.
21382	* df.h (struct df_problem): Added reset_fun.
21383	* df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21384	problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21385	(df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21386	functions to clear out all references to def-use or use-def chains.
21387
213882006-01-21  Ben Elliston  <bje@au.ibm.com>
21389
21390	* varasm.c (assemble_real): Initialise data array.
21391
213922006-01-20  Paul Brook  <paul@codesourcery.com>
21393
21394	Merge from csl-arm-branch.
21395	2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
21396	* config/arm/arm.md (movdi): Force operands[1] to a register
21397	if we have a non-register source.
21398	(*arm_movdi, *movdf_soft_insn): Require that one of the
21399	operands be a register.
21400	* config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21401	* config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21402
214032006-01-20  DJ Delorie  <dj@redhat.com>
21404
21405	* varasm.c (initializer_constant_valid_p): Allow pointers
21406	initialized from integer constants of lesser precision.
21407	(output_constant): Allow non-int-sized pointer modes to be
21408	initialized from integer constants.
21409
214102006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
21411
21412	PR libstdc++/25524
21413	* cppdefault.h (struct default_include): Add multilib flag.
21414	* cppdefault.c (cpp_include_defaults): Set it.
21415	* c.opt (-imultilib): New option.
21416	* c-opts.c (imultilib): New.
21417	(c_common_handle_option): Handle -imultilib.
21418	(c_common_post_options): Likewise.
21419	* c-incpath.c (add_standard_paths, register_include_chains):
21420	Likewise.
21421	* c-incpath.h (register_include_chains): Add extra parameter.
21422	* gcc.c (do_spec_1): Generate -imultilib option.
21423	(The Specs Language): Update %I description.
21424	(process_command): Update copyright notice.
21425	* doc/cppopts.texi (-imultilib): Document.
21426	* doc/invoke.texi (-imultilib): Include in option summary.
21427	(%I): Update specs documentation.
21428
214292006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
21430
21431	* loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21432
214332006-01-20  Richard Sandiford  <richard@codesourcery.com>
21434
21435	* stmt.c (case_bit_test_cmp): Stabilize the sort using code
21436	label numbers.
21437
214382006-01-20  Richard Guenther  <rguenther@suse.de>
21439	Steven Bosscher <stevenb.gcc@gmail.com>
21440
21441	PR rtl-optimization/24626
21442	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21443	EDGE_TRUE_VALUE if in RTL mode.
21444
21445	Revert
21446	2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21447	* cfgrtl.c (rtl_verify_flow_info_1): Fix.
21448
214492006-01-20  Dirk Mueller  <dmueller@suse.com>
21450
21451	PR c++/5520
21452	* c-parser.c (c_parser_if_body): Use build_empty_stmt()
21453	instead of a special NOP marker.
21454	* c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21455	NOP marker handling.
21456	* c-common.h (empty_body_warning): Add forward declaration.
21457	* c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21458	Now uses IS_EMPTY_STMT() instead of special NOP markers.
21459
214602006-01-20  Paul Brook  <paul@codesourcery.com>
21461
21462	* Makefile.in (lang_checks): Keep going if mkdir fails.
21463
214642006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
21465
21466	* df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21467	be able to clean out basic block when not necessary.
21468	(df_scan_free): Fixed to properly delete information if df is
21469	unused before calling df_finish.
21470	(df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21471	df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21472	or comment typos.
21473	(df_bb_refs_delete): New function.
21474	(df_refs_delete): Moved per block code to df_bb_refs_delete.
21475	* df-core.c (df_set_blocks): Added code to properly clean out
21476	unused blocks if they are not part of the blocks to consider.
21477	Added additional null check.
21478	(df_compact_blocks): Added basic block parameter to free_bb_fun to
21479	be able to clean out basic block when not necessary
21480	* df.h (df_free_bb_function): Ditto.
21481	(df_bb_refs_delete): New function.
21482	* df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21483	df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21484	basic block parameter to be able to clean out basic block when not
21485	necessary.
21486	(df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21487	(df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21488	Fixed to properly delete information if df is unused before
21489	calling df_finish.
21490
214912006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
21492
21493	PR rtl-optimization/25799
21494	* df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21495	Corrected confluence operator to remove bits from op2 before oring
21496	with op1 rather than removing bits from op1.
21497	(df_ru_transfer_function): Corrected test on wrong bitmap which
21498	caused infinite loop.  Both of these problems were introduced in
21499	the dataflow rewrite.
21500
215012006-01-19  DJ Delorie  <dj@redhat.com>
21502
21503	* reload1.c (find_reload_regs): Note the details of reload
21504	failures in the dump file.
21505	(spill_failure): Likewise.
21506
215072006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
21508
21509	* loop-iv.c: Include df.h and hashtab.h.
21510	(enum iv_grd_result): New enum.
21511	(DF_REF_IV, DF_REF_IV_SET): New macros.
21512	(struct biv_entry): New.
21513	(df, bivs): New global variables.
21514	(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21515	assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21516	Removed.
21517	(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21518	iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21519	analyzed_for_bivness_p, record_biv): New functions.
21520	(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21521	get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21522	iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21523	UD chains.
21524	(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21525	analysed.
21526	(iv_number_of_iterations): Use new interface to iv analysis.
21527	* loop-unroll.c: Do not include varray.h.
21528	(analyze_iv_to_split_insn): Use new interface to iv
21529	analysis.
21530	* loop-unswitch.c (may_unswitch_on): Ditto.
21531	* df.c (df_bitmaps_free): Only work for bbs for that structures are
21532	allocated.
21533	(df_bb_modify): Realloc tables to the new index.
21534	(df_find_use): New function.
21535	* df.h (df_find_use): Declare.
21536	* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21537	outmode.
21538	* cfgloop.h (struct rtx_iv): Remove analysed field.
21539	(iv_get_reaching_def): Removed.
21540	(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21541	* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21542	(loop-iv.o): Add df.h and hashtab.h dependency.
21543	* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21544
215452006-01-20  Alan Modra  <amodra@bigpond.net.au>
21546
21547	PR target/25668
21548	* libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21549	Double TFmode.
21550	(__floatundisf, __floatundidf): Likewise.
21551	* libgcc2.h (IS_IBM_EXTENDED): Define.
21552
215532006-01-19  DJ Delorie  <dj@redhat.com>
21554
21555	* config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21556
215572006-01-19  Paul Brook  <paul@codesourcery.com>
21558
21559	* config/arm/arm.c (arm_compute_func_type): Treat all functions
21560	as nothrow when unwinding tables are disabled.
21561
215622006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21563
21564	PR testsuite/25171
21565	* c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21566	of bit-field" when in system header.
21567
215682006-01-19  DJ Delorie  <dj@redhat.com>
21569
21570	* config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21571	the 16 bit shift limit of the m16c.
21572
215732006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
21574
21575	PR target/22099
21576	* config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21577	* config/i386/i386.c (output_set_got): Output the label if we have one
21578	for the TARGET_DEEP_BRANCH_PREDICTION case.
21579
215802006-01-19  Jan Hubicka  <jh@suse.cz>
21581	    H.J. Lu  <hongjiu.lu@intel.com>
21582	    Evandro Menezes <evandro.menezes@amd.com>
21583
21584	* invoke.texi (generic): Document
21585	(i686) Update.
21586	* config.gcc: Make x86_64-* and i686-* default to generic tunning.
21587	* i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21588	TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21589	(x86_use_incdec, x86_pad_returns): New variables
21590	(TARGET_CPU_DEFAULT_generic): New constant
21591	(TARGET_CPU_DEFAULT_NAMES): Add generic.
21592	(enum processor_type): Add generic32 and generic64.
21593	* i386.md (cpu attribute): Add generic32/generic64
21594	(movhi splitter): Behave sanely when both partial_reg_dependency and
21595	partial_reg_stall are set.
21596	(K8 splitters): Enable for generic as well.
21597	* predicates.md (incdec_operand): Use TARGET_INCDEC
21598	(aligned_operand): Avoid memory mismatch stalls.
21599	* athlon.md: Enable for generic64, new patterns for 128bit moves.
21600	* ppro.md: Enable for generic32
21601	* i386.c (generic64_cost, generic32_cost): New.
21602	(m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21603	(x86_use_leave): Enable for generic64.  (x86_use_sahf,
21604	x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
21605	x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21606	x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21607	x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21608	x86_partial_reg_dependency, x86_memory_mismatch_stall,
21609	x86_accumulate_outgoing_args, x86_prologue_using_move,
21610	x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21611	x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21612	Enable for generic.
21613	(x86_use_incdec, x86_pad_returns): New.
21614	(override_options): Add generic32 and generic64, translate "generic"
21615	to generic32/generic64 and "i686" to "generic32", refuse
21616	"generic32"/"generic64" as arch target.
21617	(ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21618	(ix86_reorg): Honor PAD_RETURNS.
21619
216202006-01-19  Diego Novillo  <dnovillo@redhat.com>
21621
21622	* tree-pretty-print.c (dump_generic_node): Handle
21623	OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21624	* cgraph.c (cgraph_expand_queue): Rename from
21625	cgraph_analyze_queue.  Update all users.
21626	* cgraphunit.c (cgraph_assemble_pending_functions): Process
21627	cgraph_expand_queue.
21628	(cgraph_expand_all_functions): Likewise.
21629	(cgraph_finalize_pending_functions): Remove.  Update callers.
21630
21631	* tree.h (OMP_DIRECTIVE_P): Define.
21632	(OMP_PARALLEL_FN): Define.
21633	(OMP_PARALLEL_DATA_ARG): Define.
21634	(OMP_SECTIONS_SECTIONS): Define.
21635	* tree-pass.h (pass_expand_omp): Declare.
21636	* omp-low.c (struct omp_region): Declare.
21637	(struct omp_context): Remove fields 'parallel_type',
21638	'parallel_start_ix' and 'parallel_start_additional_args'.
21639	Update all users.
21640	(struct omp_for_data): Rename from struct expand_omp_for_data.
21641	(omp_regions): New static variable.
21642	(root_omp_region): New static variable.
21643	(find_omp_clause): Make static.
21644	(is_in_combined_parallel_ctx): Remove.
21645	(is_combined_parallel): New.
21646	(extract_omp_for_data): Move earlier in the file.
21647	(workshare_safe_to_combine_p): New.
21648	(get_ws_args_for): New.
21649	(determine_parallel_type): Move earlier in the file.
21650	(omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21651	child function.
21652	(omp_copy_decl): Likewise.
21653	(create_omp_child_function): Likewise.
21654	(lookup_omp_region): New.
21655	(dump_omp_region): New.
21656	(debug_omp_region): New.
21657	(debug_all_omp_regions): New.
21658	(new_omp_region): New.
21659	(scan_omp_parallel): If parallel_nesting_level > 1, the
21660	directive is nested within another parallel directive.
21661	Set OMP_PARALLEL_FN.
21662	(scan_omp_for): Do not try to handle combined parallel+for
21663	cases.
21664	Remove FIXME comment.
21665	(scan_omp_nested): Remove.
21666	(scan_omp_1): Do not call scan_omp_nested when
21667	parallel_nesting_level is > 1.
21668	Do not change the DECL_CONTEXT of local variables found.
21669	(lookup_decl_in_outer_ctx): New.
21670	(lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21671	(lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21672	(lower_reduction_clauses): Rename from expand_reduction_clauses.
21673	(lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21674	If CTX is nested, lookup VAR in the outer context when
21675	building copy assignment.
21676	(lower_send_clauses): Rename from expand_send_clauses.
21677	If CTX is nested, lookup VAR in the outer context when
21678	building copy assignments.
21679	(lower_send_shared_vars): Rename from expand_send_shared_vars.
21680	If CTX is nested, lookup VAR in the outer context when
21681	building copy assignments.
21682	(expand_parallel_call): Rename from build_parallel_call.
21683	Handle combined parallel+workshare cases.
21684	Re-implement to emit code into the CFG.
21685	(list2chain): New.
21686	(expand_omp_parallel): Re-implement to emit code into the CFG.
21687	Call move_sese_region_to_fn to outline the sub-graph
21688	containing the parallel region.
21689	(expand_omp_for_1): Remove.
21690	(expand_omp_for_generic): Re-implement to emit code into the
21691	CFG.
21692	(expand_omp_for_static_nochunk): Likewise.
21693	(expand_omp_for_static_chunk): Likewise.
21694	(expand_omp_for): Likewise.
21695	(expand_omp_sections): Likewise.
21696	(remove_exit_barriers): New.
21697	(expand_omp_synch): New.
21698	(expand_omp): New.
21699	(build_omp_regions_1): New.
21700	(build_omp_regions): New.
21701	(execute_expand_omp): New.
21702	(gate_expand_omp): New.
21703	(pass_expand_omp): Define.
21704	(lower_omp_sections): Rename from expand_omp_sections.
21705	Set OMP_SECTIONS_SECTIONS.
21706	(lower_omp_single_simple): Rename from expand_omp_single_simple.
21707	(lower_omp_single_copy): Rename from expand_omp_single_copy.
21708	(lower_omp_single): Rename from expand_omp_simple.
21709	(lower_omp_master): Rename from expand_omp_master.
21710	(lower_omp_ordered): Rename from expand_omp_ordered.
21711	(lower_omp_critical): Rename from expand_omp_critical.
21712	(lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21713	(lower_omp_for): Re-implement.
21714	(lower_omp_parallel): Re-implement.
21715	(lower_regimplify): Rename from expand_regimplify.
21716	(lower_omp_1): Rename from expand_omp_1.
21717	If there are syntax errors in the program, replace every
21718	OpenMP directive with NOP.
21719	Call lower_omp_* instead of expand_omp_*.
21720	(lower_omp): Rename from expand_omp.
21721
21722	* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21723	* tree-gimple.h (enum omp_parallel_type): Remove.
21724	(gimple_boolify): Declare extern.
21725	(find_omp_clause, determine_parallel_type): Remove.
21726
21727	* gimple-low.c (lower_omp_directive): New.
21728	(lower_stmt): Call it.
21729	(record_vars_into): Move from ...
21730	(record_vars): ... here.
21731	Call record_vars_into with current_function_decl.
21732
21733	* gimplify.c (struct gimplify_ctx): Remove fields
21734	combined_pre_p and combined_ctxp.  Update users.
21735	(get_formal_tmp_var): Add documentation.
21736	(gimple_boolify): Make extern.
21737	(gimplify_expr_in_ctx): Remove.  Update callers.
21738	(gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21739	will always be a BIND_EXPR.
21740	(gimplify_expr): Handle OMP_RETURN_EXPR.
21741	* tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21742	(OMP_PARALLEL): Add 3 operands.
21743	(OMP_SECTIONS): Add 1 operand.
21744	(OMP_RETURN_EXPR): Define.
21745
21746	* tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21747	(copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21748	* tree-iterator.c (alloc_stmt_list): Assert that we are not
21749	creating a circular free list.
21750	(free_stmt_list): Assert that we are not freeing stmt_list_cache.
21751
21752	* tree-flow.h (move_sese_region_to_fn): Declare.
21753	(record_vars_into): Declare.
21754	* tree-cfg.c (make_omp_sections_edges): New.
21755	(make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21756	OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21757	OMP_SECTIONS and OMP_SECTION.
21758	(is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21759	(set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21760	(verify_stmt): Do not handle OMP_DIRECTIVE_P.
21761	(gather_blocks_in_sese_region): New.
21762	(struct move_stmt_d): Declare.
21763	(move_stmt_r): New.
21764	(move_block_to_fn): New.
21765	(move_sese_region_to_fn): New.
21766
21767	* passes.c (init_optimization_passes): Schedule
21768	pass_expand_omp after pass_init_datastructures.
21769
21770	* tree-ssa-operands.c (get_expr_operands): Handle
21771	OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21772	OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21773
217742006-01-19  Jeff Law  <law@redhat.com>
21775
21776	* tree-vrp.c (extract_range_from_assert): Refine the result range
21777	if the variable referenced by the ASSERT_EXPR has a range and
21778	either the tentative result range or the previous range is a
21779	VR_ANTI_RANGE.
21780
217812006-01-19  Richard Sandiford  <richard@codesourcery.com>
21782
21783	* c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21784
217852006-01-19  Jan Hubicka  <jh@suse.cz>
21786
21787	* tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21788
217892006-01-19  Paolo Bonzini  <bonzini@gnu.org>
21790
21791	* combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21792	(expand_compound_operation, expand_field_assignment): Fail if the
21793	bit lengths of an extract operation are out of range.
21794	(make_extraction): Compute wanted_inner_mode based on the position
21795	and length of the extraction.  Make it extraction_mode for non-constant
21796	positions, and do not modify offset in that case.  When generating a
21797	new MEM, use a mode that can hold the extraction while keeping correct
21798	alignment.  Remove code that supported MEMs wrapped by USEs.
21799	(simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21800
218012006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
21802
21803	* config/s390/s390.md ("Y", "y"): New mode attribute.
21804	("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21805	"*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21806	"*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21807	"*addsi3_imm_cc", "*addsi3_carry1_cc",
21808	"*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21809	"*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21810	"*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21811	"*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21812	"*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21813	"*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21814	"addsi3", "subsi3"): Insn patterns removed.
21815	("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21816	"*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21817	"*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21818	"*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21819	"*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21820	"*sub<mode>3_cconly2"): New insn patterns.
21821	("addsi3", "subsi3"): New expanders.
21822
218232006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
21824
21825	* Makefile.in (tree-vect-patterns.o): Add rule for new file.
21826	* tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21827	existing STMT_VINFO_VECTYPE if available.
21828	(vect_mark_relevant): Add special handling for stmts that are
21829	marked as STMT_VINFO_IN_PATTERN_P.
21830	(vect_analyze_loop): Call vect_pattern_recog.
21831	* tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21832	* tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21833	stmt_info.
21834	(STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21835	(vect_recog_func_ptr): New function-pointer type.
21836	* tree-vect-patterns.c: New file.
21837	(vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21838	(vect_recog_dot_prod_pattern, vect_pattern_recog):
21839	(vect_pattern_recog_1): New functions.
21840	(vect_pattern_recog_funcs): New array of function pointers.
21841
21842	* tree-vectorizer.h (ternary_op): New enum value.
21843	* tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21844	declaration. Revised documentation. Removed redundant dump prints.
21845	Removed redundant argument. Added support for reduction patterns.
21846	(vectorizable_reduction): Added support for reduction patterns.
21847	(vect_transform_stmt): Added support for patterns.
21848
21849	* expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21850	* genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21851	* optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21852	(expand_widen_pattern_expr): New function.
21853	(init_optabs): Initialize new optabs udot_prod_optab,
21854	sdot_prod_optab.
21855	* optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21856	(sdot_prod_optab, udot_prod_optab): Define new optabs.
21857	(expand_widen_pattern_expr): New function declaration.
21858	* tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21859	tree-codes.
21860	* tree-inline.c (estimate_num_insns_1): Added cases for new
21861	tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21862	* tree-pretty-print.c (dump_generic_node): Likewise.
21863	(op_prio): Likewise.
21864	(op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21865	* tree-ssa-operands.c (get_expr_operands): Added case for
21866	DOT_PROD_EXPR.
21867	* tree-vect-patterns.c (widened_name_p): New function.
21868	(vect_recog_dot_prod_pattern): Added function implementation.
21869	* tree-vect-transform.c (get_initial_def_for_reduction): Added
21870	cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21871	* config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21872	* config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21873
21874	* expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21875	* genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21876	* optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21877	(init_optabs): Initialize new optabs widen_ssum_optab,
21878	widen_usum_optab.
21879	* optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21880	(widen_ssum_optab, widen_usum_optab): Define new optabs.
21881	* tree-vect-generic.c: (expand_vector_operations_1): Check type of
21882	use instead of type of def.
21883	* tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21884	function implementation.
21885	* config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21886	widen_ssumv8hi): New.
21887
21888	* doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21889	patterns.
21890
218912006-01-19  Richard Sandiford  <richard@codesourcery.com>
21892
21893	PR c/25805
21894	* c-decl.c (add_flexible_array_elts_to_size): New function.
21895	(finish_decl): Use it.
21896
218972006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
21898
21899	* diagnostic.h: Include options.h.
21900	* config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21901	dependancies for diagnostic.h.
21902	* Makefile.in (DIAGNOSTIC_H): Add options.h.
21903
219042006-01-16  Daniel Berlin  <dberlin@dberlin.org>
21905
21906	* tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21907	(ssa_ro_call_cache_valid): Ditto.
21908	* tree-ssa-alias.c (sort_tags_by_id): New function.
21909	(init_transitive_clobber_worklist): Ditto.
21910	(add_to_worklist): Ditto.
21911	(mark_aliases_call_clobbered): Ditto.
21912	(compute_tag_properties): Ditto.
21913	(set_initial_properties): Ditto.
21914	(compute_call_clobbered): Ditto.
21915	(compute_may_aliases):	Call compute_call_clobbered and grouping.
21916	(compute_flow_sensitive_aliasing): Remove clobbering related code.
21917	(compute_flow_insensitive_aliasing): Grouping now happens in our
21918	caller.
21919	(setup_pointers_and_addressables): Remove clobbering related code.
21920	(add_may_alias): Ditto.
21921	(replace_may_alias): Ditto.
21922	(get_nmt_for): Ditto.
21923	(create_global_var):
21924	(is_escape_site): Return an escape_type enumeration.
21925	* tree-flow-inline.h (is_call_clobbered): Global var does not
21926	imply call clobbered.
21927	(mark_call_clobbered): Take a reason for marking this. Remove
21928	marking of globalness, and cache invalidation.
21929	(clear_call_clobbered): Remove cache invalidation code.
21930	* tree-dfa.c (dump_variable): If details is on, dump the reason
21931	for escaping.
21932	* tree-outof-ssa.c (create_temp): Copy escape mask from original
21933	variable.
21934	* tree-flow.h (struct ptr_info_def): Add escape mask member.
21935	(struct var_ann_d): Ditto.
21936	(enum escape_type): New.
21937	(mark_call_clobbered): Adjust prototype.
21938	* tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21939	are never call clobbered.
21940	Record reasons for escaping.
21941	* tree-ssa-structalias.h (is_escape_site): Update prototype.
21942	* tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21943	(ssa_ro_call_cache_valid): Ditto.
21944	(clobbered_v_may_defs): Ditto.
21945	(clobbered_vuses): Ditto.
21946	(ro_call_vuses): Ditto.
21947	(clobber_stats): New.
21948	(init_ssa_operands): Zero out clobber stats.
21949	(fini_ssa_operands): Print out clobber stats.
21950	(get_call_expr_operands): Pass callee fndecl to
21951	add_call_read_ops).
21952	(add_call_clobber_ops): Remove use of cache.
21953	Add use of PURE_CONST information.
21954	(add_call_read_ops): Remove use of cache.
21955	Add use of static not_read information.
21956
219572006-01-18  Alexandre Oliva  <aoliva@redhat.com>
21958
21959	Introduce TLS descriptors for i386 and x86_64.
21960	* config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21961	(TARGET_ANY_GNU_TLS): New macro.
21962	(enum tls_dialect): Added TLS_DIALECT_GNU2.
21963	(struct machine_function): Add tls_descriptor_call_expanded_p.
21964	(ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21965	(ix86_current_function_calls_tls_descriptor): Likewise.
21966	* config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21967	(override_options): Introduce gnu2 tls dialect.
21968	(ix86_frame_pointer_required): Functions containing TLSCALLs are
21969	not leaves.
21970	(ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21971	Likewise.
21972	(legitimize_tls_address): Adjust logic for GNU2 TLS.
21973	(ix86_init_machine_status): Initialize new field.
21974	(ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21975	(ix86_tls_module_base): New.
21976	* config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21977	* config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21978	(tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21979	(tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21980	(tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21981	(*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21982	(tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21983	(*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21984	* config/i386/predicates.md (tls_modbase_operand): New.
21985	(tp_or_register_operand): New.
21986
219872006-01-18  Daniel Berlin  <dberlin@dberlin.org>
21988
21989	* ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21990	(look_for_address_of): Ditto.
21991	(ipa_init): Walk the function decls.
21992	(static_execute): Don't set readonly on FUNCTION_DECL's.
21993
219942006-01-18  Roger Sayle  <roger@eyesopen.com>
21995
21996	* config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21997	for shifts where the source and destination registers are different.
21998
219992006-01-18  Paul Brook  <paul@codesourcery.com>
22000
22001	Merge from csl-arm-branch.
22002	2005-03-14  Julian Brown  <julian@codesourcery.com>
22003	* config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
22004	(aeabi_llsl): Likewise.
22005	(ashrdi3): Likewise.
22006	(aeabi_lasr): Likewise.
22007	(lshrdi3): Likewise.
22008	(aeabi_llsr): Likewise.
22009	2005-03-10  Julian Brown  <julian@codesourcery.com>
22010	* config.gcc: Disable shared libgcc for SymbianOS.
22011	* config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
22012
220132006-01-18  DJ Delorie  <dj@redhat.com>
22014
22015	* c-pragma.c (handle_pragma_diagnostic): New.
22016	(init_pragma): Register it.
22017	* doc/extend.texi: Document it.
22018
22019	* diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
22020	* diagnostic.h (diagnostic_classify_diagnostic): Declare.
22021	(diagnostic_context): Add classify_diagnostic[].
22022	* diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
22023	as errors if they're overridden to DK_WARNING.
22024	(diagnostic_initialize): Initialize classify_diagnostic[].
22025	(diagnostic_set_kind_override): New.
22026	(diagnostic_report_diagnostic): Check for kind changes.
22027	* opts.c (common_handle_option): Take lang_mask.  Update callers.
22028	Handle OPT_Werror_.
22029	* common.opt (Werror=): New.
22030	* doc/invoke.texi: Document -Werror=*
22031
220322006-01-18  Jeff Law  <law@redhat.com>
22033
22034	* tree-vrp.c (test_for_singularity): Correct test for new
22035	min limit.  Use operand_equal_p rather than pointer equality
22036	for testing if new min/max values are equal.
22037
22038	* tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
22039	using range information until after propagation and folding.
22040
220412006-01-18  Richard Henderson  <rth@redhat.com>
22042	    Aldy Hernandez  <aldyh@redhat.com>
22043	    Jakub Jelinek  <jakub@redhat.com>
22044	    Diego Novillo  <dnovillo@redhat.com>
22045
22046	* omp-low.c: New file.
22047	* c-omp.c: New file.
22048
220492006-01-18  Richard Henderson  <rth@redhat.com>
22050	    Jakub Jelinek  <jakub@redhat.com>
22051	    Diego Novillo  <dnovillo@redhat.com>
22052
22053	* doc/invoke.texi: Document -fopenmp.
22054	* tree-dump.h (debug_function): Declare.
22055	* hooks.c (hook_bool_tree_bool_false): New function.
22056	(hook_tree_tree_null): Remove.
22057	(hook_tree_tree_tree_null): New.
22058	* hooks.h: Update to match.
22059	* tree-pretty-print.c (debug_tree_chain): New.
22060	(print_generic_expr): Handle TDF_CHAIN.
22061	(dump_generic_node): Handle BLOCK.
22062	Do not abort with incomplete SWITCH_EXPRs.
22063	Do not dump body of an OpenMP directive if TDF_SLIM is given.
22064	<case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
22065	print space after directive name.
22066	<OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
22067	Handle OMP_MASTER and OMP_ORDERED.
22068	Handle printing of OMP_BODY just in one place, goto
22069	dump_omp_body in the rest of OMP_* nodes that have
22070	OMP_BODY.
22071	Don't handle clause nodes here.  Update omp statements to
22072	use dump_omp_clauses.
22073	Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
22074	OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
22075	OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
22076	GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
22077	GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
22078	GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
22079	Adjust output for GOMP_PARALLEL.
22080	(dump_omp_clauses): New.
22081	(print_declaration): Dump DECL_VALUE_EXPR.
22082	(op_symbol_1): Split out of op_symbol.
22083	(dumping_stmts): Remove.  Update all users.
22084	* cgraph.c (cgraph_analyze_queue): New.
22085	(cgraph_add_new_function): New.
22086	* cgraph.h (cgraph_analyze_queue): Declare.
22087	(cgraph_add_new_function): Declare.
22088	(cgraph_lower_function): Remove.
22089	* tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
22090	nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
22091	and TYPE_P nodes in its default clause.
22092	(empty_body_p): New.
22093	(tree_range_check_failed): New.
22094	(build5_stat): New.
22095	* tree.h (OMP_CLAUSE_REDUCTION_INIT,
22096	OMP_CLAUSE_REDUCTION_MERGE,
22097	OMP_CLAUSE_REDUCTION_PLACEHOLDER,
22098	OMP_CLAUSE_PRIVATE_DEBUG,
22099	OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
22100	OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
22101	OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
22102	OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
22103	OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
22104	OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
22105	OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
22106	OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
22107	OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
22108	OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
22109	OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
22110	OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
22111	OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
22112	OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
22113	(TREE_RANGE_CHECK): New.
22114	(empty_body_p): Declare.
22115	(enum omp_clause_default_kind): New.
22116	(build_string_literal): Declare.
22117	(enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
22118	(build5_stat, build5): Declare.
22119	* tree-pass.h (TDF_CHAIN): Define.
22120	* tree-pass.h (PROP_gimple_lomp): Define.
22121	(pass_lower_omp): Declare.
22122	* diagnostic.h (debug_tree_chain): Declare.
22123	* builtins.c (get_builtin_sync_mode): Use 0 as last argument to
22124	mode_for_size.
22125	(expand_builtin): Handle sync BUILT_IN_*_16 builtins.
22126	* builtins.c (build_string_literal): Make extern.
22127	* gcc.c (include_spec_function): New.
22128	(static_spec_functions): Add it.
22129	(main): Move load of libgomp.spec ...
22130	(LINK_COMMAND_SPEC): ... here.
22131	(link_gomp_spec): New.
22132	(static_specs): Include it.
22133	(LINK_COMMAND_SPEC): Add link_gomp.
22134	(GOMP_SELF_SPECS): New.
22135	(driver_self_specs): Include it.
22136	(switch_matches): Don't mark inline.
22137	(main): Load libgomp.spec.
22138	* tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
22139	OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
22140	and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
22141	* tree-gimple.h (enum omp_parallel): Declare.
22142	(determine_parallel_type): Declare.
22143	(omp_firstprivatize_variable): Declare.
22144	(omp_reduction_init): Declare.
22145	(diagnose_omp_structured_block_errors): Declare.
22146	(struct walk_stmt_info): Add want_return_expr.
22147	(struct walk_stmt_info): Add want_bind_expr, want_locations.
22148	(find_omp_clause): Declare.
22149	(insert_field_into_struct): Declare.
22150	(struct walk_stmt_info): Move from tree-nested.c
22151	(walk_stmts): Declare.
22152	* c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
22153	to 200505.
22154	* cgraphunit.c (cgraph_lower_function): Make static.
22155	(cgraph_finalize_pending_functions): New.
22156	(cgraph_finalize_function): Call it.
22157	(cgraph_finalize_compilation_unit): Likewise.
22158	* builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
22159	BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
22160	(BT_FN_UINT_UINT): New.
22161	(DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
22162	DEF_FUNCTION_TYPE_VAR_4): Document.
22163	(BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
22164	BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
22165	BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
22166	BT_FN_VOID_OMPFN_PTR_UINT_UINT,
22167	BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
22168	BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
22169	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
22170	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
22171	* builtins.def: Update DEF_BUILTIN comment to include COND argument.
22172	Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
22173	into separate files.
22174	(DEF_GOMP_BUILTIN): New.
22175	(BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
22176	BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
22177	BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
22178	BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
22179	BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
22180	BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
22181	BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
22182	BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
22183	BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
22184	BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
22185	BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
22186	BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
22187	BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
22188	BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
22189	BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
22190	BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
22191	BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
22192	BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
22193	BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
22194	BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
22195	BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
22196	BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
22197	BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
22198	BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
22199	BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
22200	BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
22201	* sync-builtins.def: New file, moved from builtins.def.
22202	* omp-builtins.def: New file, moved from builtins.def.
22203	* c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
22204	* gimple-low.c (lower_function_body): Clear data.
22205	(lower_stmt): Do not handle COMPOUND_EXPR.
22206	Remove call to print_node_brief.
22207	* c-tree.h (c_finish_omp_clauses): New prototype.
22208	(C_DECL_THREADPRIVATE_P): Define.
22209	(lookup_name_no_remap, c_omp_remap_private): Remove
22210	(c_begin_omp_parallel, c_finish_omp_parallel): Update.
22211	(check_for_loop_decls): Update decl.
22212	(lookup_name_no_remap, c_omp_remap_private): Declare.
22213	(build_indirect_ref, build_modify_expr, pushdecl,
22214	pushdecl_top_level): Move to c-common.h.
22215	* dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
22216	before the switch, but just in the 2 places that need it.
22217	* c-decl.c (diagnose_mismatched_decls): Do not check for
22218	mismatched thread-local attributes when OLDDECL is marked
22219	threadprivate and NEWDECL has no thread-local attributes.
22220	(merge_decls): Merge C_DECL_THREADPRIVATE_P.
22221	(c_gimple_diagnostics_recursively): Rename from
22222	c_warn_unused_result_recursively.  Invoke
22223	diagnose_omp_structured_block_errors.
22224	(check_for_loop_decls): Return a singular decl found.
22225	* langhooks.c (lhd_omp_predetermined_sharing): Return
22226	OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
22227	(lhd_omp_firstprivatize_type_sizes): New.
22228	(lhd_omp_assignment): New.
22229	(lhd_omp_predetermined_sharing): New.
22230	* langhooks.h (struct gimplify_omp_ctx): Forward declare.
22231	(struct lang_hooks_for_types): Add
22232	omp_firstprivatize_type_sizes, omp_privatize_by_reference,
22233	omp_predetermined_sharing, omp_disregard_value_expr,
22234	omp_private_debug_clause, omp_clause_default_ctor,
22235	omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
22236	(c_finish_omp_clauses): New.
22237	(c_finish_bc_stmt): Diagnose break within omp for.
22238	(c_begin_omp_parallel, c_finish_omp_parallel): New.
22239	(build_unary_op): Return error_mark after reporting
22240	a readonly_error.
22241	(build_modify_expr): Likewise.
22242	* gimplify.c: Include optabs.h and pointer-set.h.
22243	(enum gimplify_omp_var_data): Declare.
22244	(struct gimplify_omp_ctx): Declare.
22245	(struct gimplify_ctx): Add fields prev_context, combined_pre_p
22246	and combined_ctxp.
22247	(gimplify_ctxp, gimplify_omp_ctxp): New local variables.
22248	(push_gimplify_context, pop_gimplify_context): Allow nesting.
22249	(splay_tree_compare_decl_uid): New.
22250	(new_omp_context): New.
22251	(delete_omp_context): New.
22252	(gimple_add_tmp_var): Call omp_add_variable.
22253	(gimplify_bind_expr): Likewise.
22254	(gimplify_var_or_parm_decl): If omp_notice_variable returned
22255	true, disregard DECL_VALUE_EXPR on the decl if any.
22256	(gimplify_expr_in_ctx): New.
22257	(omp_firstprivatize_variable, omp_firstprivatize_type_sizes
22258	omp_add_variable, omp_notice_variable, omp_is_private
22259	gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
22260	gimplify_adjust_omp_clauses, gimplify_omp_parallel
22261	gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
22262	gimplify_omp_atomic_fetch_op, goa_stabilize_expr
22263	gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
22264	gimplify_omp_atomic): New.
22265	(gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22266	OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22267	OMP_CRITICAL and OMP_ATOMIC.
22268	(gimplify_body): Verify gimplify_ctxp is empty after gimplification.
22269	* c-pragma.h (enum pragma_kind): Add
22270	PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
22271	PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
22272	PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
22273	PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
22274	PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
22275	PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
22276	PRAGMA_OMP_THREADPRIVATE.
22277	* tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22278	OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22279	OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
22280	OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
22281	OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
22282	OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
22283	OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
22284	OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
22285	OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
22286	* print-tree.c (print_node): Dump DECL_VALUE_EXPR.
22287	* tree-ssa-dce.c (find_control_dependence): Do not assume that
22288	ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
22289	* tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22290	OpenMP directives.
22291	(struct nesting_info): Add field_map,
22292	suppress_expansion, debug_var_chain.
22293	(create_nesting_tree): Initialize them.
22294	(lookup_field_for_decl): Use field_map.
22295	(get_nonlocal_debug_decl, get_local_debug_decl): New.
22296	(convert_local_omp_clauses): New.
22297	(finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22298	(walk_body): Split out of walk_function.
22299	(convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22300	(convert_nonlocal_reference): Handle omp statements.
22301	(convert_local_reference): Likewise.
22302	(unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22303	(unnest_nesting_tree): New.
22304	(lower_nested_functions): Call it.
22305	(insert_field_into_struct): Make extern.
22306	(struct walk_stmt_info): Move to tree-gimple.h.
22307	(walk_stmts): Make extern.
22308	* omp-builtins.def: New file.
22309	* tree-iterator.c (expr_only): Clarify comment.
22310	* c-common.h (pushdecl_top_level, pushdecl,
22311	build_modify_expr, build_indirect_ref,
22312	c_finish_omp_master, c_finish_omp_critical,
22313	c_finish_omp_ordered, c_finish_omp_barrier,
22314	c_finish_omp_atomic, c_finish_omp_flush,
22315	c_finish_omp_for, c_split_parallel_clauses,
22316	omp_clause_default_kind, c_omp_sharing_predetermined,
22317	c_omp_remap_decl): Declare.
22318	* Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22319	(OBJS-common): Add omp-low.o.
22320	(c-omp.o, omp-low.o): Add.
22321	(gimplify.o): Add dependency on $(OPTABS_H).
22322	(GTFILES): Add omp-low.c.
22323	(gt-stringpool.h): Add.
22324	* tree-cfg.c (set_bb_for_stmt): Do not update the
22325	block-to-labels map if we are currently expanding to RTL.
22326	(tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22327	checks.
22328	Handle IDENTIFIER_NODE.
22329	(tree_verify_flow_info): Do not ICE when emitting error
22330	messages about invalid labels.
22331	(dump_function_to_file): Reset CFUN before emitting the body
22332	of the function.
22333	(debug_function): New.
22334	* passes.c (init_optimization_passes): Schedule
22335	pass_lower_omp.
22336	* langhooks-def.h (lhd_omp_predetermined_sharing,
22337	lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22338	Declare.
22339	(LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22340	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22341	(LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22342	LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22343	LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22344	LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22345	LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22346	LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22347	LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22348	LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22349	(LANG_HOOK_DECLS): Use them.
22350
223512006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
22352	    Richard Henderson  <rth@redhat.com>
22353	    Jakub Jelinek  <jakub@redhat.com>
22354	    Diego Novillo  <dnovillo@redhat.com>
22355
22356	* c-parser.c (pragma_omp_clause): Define.
22357	(c_parser_declaration_or_fndef): Document OpenMP syntax.
22358	(c_parser_compound_statement): Likewise.
22359	(c_parser_statement): Likewise.
22360	(c_parser_pragma): Handle omp pragmas.
22361	(OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22362	OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22363	(c_parser_omp_clause_name, check_no_duplicate_clause,
22364	c_parser_omp_variable_list,
22365	c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22366	c_parser_omp_clause_copyprivate,
22367	c_parser_omp_clause_default,
22368	c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22369	c_parser_omp_clause_lastprivate,
22370	c_parser_omp_clause_nowait,
22371	c_parser_omp_clause_num_threads,
22372	c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22373	c_parser_omp_clause_reduction,
22374	c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22375	c_parser_omp_all_clauses, c_parser_omp_structured_block,
22376	c_parser_omp_atomic, c_parser_omp_barrier,
22377	c_parser_omp_critical, c_parser_omp_flush,
22378	c_parser_omp_for_loop, c_parser_omp_for,
22379	c_parser_omp_master, c_parser_omp_ordered,
22380	c_parser_omp_sections_scope, c_parser_omp_sections,
22381	c_parser_omp_parallel, c_parser_omp_single,
22382	c_parser_omp_construct, c_parser_omp_threadprivate): New.
22383	* c-pragma.c (init_pragma): Do omp pragma registration here.
22384	* c.opt (fopenmp): New flag.
22385
223862006-01-18  Eric Christopher  <echristo@apple.com>
22387
22388	* gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22389	* config/darwin.h (GOMP_SELF_SPECS): Define.
22390
223912006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22392
22393	* rtl.h: Remove the prototype for reg_alloc.
22394
223952006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22396
22397	PR target/25731
22398	* config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22399	hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22400	sjlj and dwarf2 exception handling.
22401	* pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22402	Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22403	* pa/pa.c (function_value): Treat complex and vector types as
22404	aggregates.
22405	(function_arg): Likewise.  Only pass scalar floats in the floating
22406	point argument registers.
22407	* pa/t-slibgcc-dwarf-ver: New file.
22408	* pa/t-slibgcc-sjlj-ver: New file.
22409	* pa/t-slibgcc-elf-ver: Delete file.
22410
224112006-01-19  Alan Modra  <amodra@bigpond.net.au>
22412
22413	* config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22414	unlikely_test_section_p test.
22415
224162006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22417
22418	* mode-switching.c (optimize_mode_switching): Make it static.
22419	* basic-block.h: Remove the prototype for
22420	optimize_mode_switching.
22421
22422	* modulo-sched.c (sms_schedule): Make it static.
22423	* rtl.h: Remove the prototype for sms_schedule.
22424
22425	* postreload-gcse.c (gcse_after_reload_main): Make it static.
22426	* rtl.h: Remove the prototype for gcse_after_reload_main.
22427
22428	* reg-stack.c (reg_to_stack): Make it static.
22429	* rtl.h: Remove the prototype for reg_to_stack.
22430
22431	* regrename.c (regrename_optimize, copyprop_hardreg_forward):
22432	Make them static.
22433	* rtl.h: Remove the prototypes for regrename_optimize and
22434	copyprop_hardreg_forward.
22435
224362006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
22437
22438	* config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22439	alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
22440	Test against the appropriate null constant for the mode.
22441	If 'fixup_overlap' is true, swap the operands if they overlap.
22442	(alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22443	* config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22444	alpha_split_tmode_pair and adjust for above change.
22445	* config/alpha/alpha.md (movtf_internal): Adjust call to
22446	alpha_split_tfmode_pair and rely on it to swap the operands.
22447	(movti_internal): New insn and post-reload splitter.
22448	(movti): New expander.
22449
224502006-01-18  Philippe De Muyter  <phdm@macqel.be>
22451
22452	* config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22453	operands.
22454
224552006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22456
22457	* rtlanal.c (global_reg_mentioned_p_1,
22458	global_reg_mentioned_p): Remove.
22459	* rtl.h: Remove the prototype for global_reg_mentioned_p.
22460
22461	* flow.c (initialize_uninitialized_subregs): Make it static.
22462	* rtl.h: Remove the prototype for
22463	initialize_uninitialized_subregs.
22464
22465	* function.c (instantiate_virtual_regs): Make it static.
22466	* function.h: Remove the prototype for
22467	instantiate_virtual_regs.
22468
22469	* regmove.c (regmove_optimize, combine_stack_adjustments):
22470	Make them static.
22471	* rtl.h: Remove the prototypes for regmove_optimize and
22472	combine_stack_adjustments.
22473
224742006-01-17  Roger Sayle  <roger@eyesopen.com>
22475
22476	* config/i386/i386.c (COSTS_N_BYTES): New macro.
22477	(size_cost): Encode costs in bytes so that a reg-reg addition is
22478	equivalent to COSTS_N_INSNS(1).
22479	(override_options): Use the size_cost.branch_cost as the default
22480	ix86_branch_cost when optimizing for size.
22481
224822006-01-18  Ben Elliston  <bje@au.ibm.com>
22483
22484	* Makefile.in (D32PBIT_FUNCS): New.
22485	(D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22486	(libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22487	D64PBIT_FUNCS and D128PBIT_FUNCS.
22488	(LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22489	* mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22490	D128PBIT are set.
22491	(decnumber_dep): Define.
22492	* doc/libgcc.texi (Decimal float library routines): New node.
22493	* config/dfp-bit.h, config/dfp-bit.c: New files.
22494
224952006-01-18  Ben Elliston  <bje@au.ibm.com>
22496
22497	* expr.c (emit_move_change_mode): Always adjust addresses, not
22498	just during reload.  Copy replacements only during reload.
22499	(emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22500	emit_move_via_integer.
22501
225022006-01-17  Shantonu Sen  <ssen@opendarwin.org>
22503
22504	* Makefile.in (check-%, check-consistency): Use $${srcdir}
22505	instead of $(srcdir) and ${srcdir}.
22506
225072006-01-17  Richard Earnshaw  <rearnsha@arm.com>
22508
22509	PR target/592
22510	PR middle-end/11135
22511	* arm.h (struct machine_function): Add pic_reg.
22512	* arm.c (arm_pic_register): Make unsigned.
22513	(arm_override_options): Only set arm_pic_register if
22514	TARGET_SINGLE_PIC_BASE.
22515	(use_return_insn): Only test for a pic register if it is fixed.
22516	(arm_compute_save_reg0_reg12_mask): Likewise.
22517	(thumb_compute_save_reg_mask): Likewise.
22518	(legitimate_pic_operand): Factor out some known invariants.
22519	(legitimize_pic_address): If we don't have a fixed pic register,
22520	then set up a pseudo in the function entry sequence.  Handle the
22521	pic base being in a pseudo.
22522	(arm_load_pic_register): Handle the pic register being in a pseudo.
22523	(arm_expand_prologue): Only set up the pic register if it is fixed.
22524	(thumb_expand_prologue): Likewise.
22525	* arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22526	(pic_load_addr_based_insn): Likewise.
22527	(builtin_setjmp_receiver): Don't restore the pic base if it isn't
22528	fixed.
22529
225302006-01-18  Ben Elliston  <bje@au.ibm.com>
22531
22532	* config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22533	decimal float modes for all floating point registers.
22534
22535	* config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22536	match_code "mem" with match_test "macho_lo_sum_memory_operand".
22537
225382006-01-17  Jakub Jelinek  <jakub@redhat.com>
22539
22540	PR c/25682
22541	* c-typeck.c (build_unary_op): Fold offsetof-like expressions
22542	even when the pointer is not NULL.
22543
225442006-01-16  Ian Lance Taylor  <ian@airs.com>
22545
22546	* common.opt (ftoplevel-reorder): New option.
22547	* cgraph.c (cgraph_asm_nodes): New global variable.
22548	(cgraph_asm_last_node): New static variable.
22549	(cgraph_order): New global variable.
22550	(cgraph_create_node): Set new order field.
22551	(cgraph_varpool_node): Likewise.
22552	(decide_is_variable_needed): Return true if not
22553	flag_toplevel_reorder.
22554	(cgraph_add_asm_node): New function.
22555	* cgraph.h (struct cgraph_node): Add order field.
22556	(struct cgraph_varpool_node): Add order field.
22557	(struct cgraph_asm_node): Define.
22558	(cgraph_asm_nodes, cgraph_order): Declare.
22559	(cgraph_add_asm_node): Declare.
22560	* cgraphunit.c (cgraph_varpool_assemble_decl): New static
22561	function.
22562	(cgraph_varpool_assemble_pending_decls): Call it.
22563	(cgraph_output_pending_asms): New static function.
22564	(cgraph_finalize_compilation_unit): Call it.
22565	(struct cgraph_order_sort): Define.
22566	(cgraph_output_in_order): New static function.
22567	(cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
22568	!flag_toplevel_reorder case.
22569	* c-parser.c: Include "cgraph.h".
22570	(c_parser_asm_definition): Call cgraph_add_asm_node rather than
22571	assemble_asm.
22572	* Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22573	than -fno-unit-at-a-time.
22574	* doc/invoke.texi (Option Summary): Mention
22575	-fno-toplevel-reorder.
22576	(Optimize Options): Document -fno-toplevel-reorder.  Mention it in
22577	-funit-at-a-time documentation.
22578
225792006-01-17  Hans-Peter Nilsson  <hp@axis.com>
22580	    Kazu Hirata  <kazu@codesourcery.com>
22581
22582	* Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22583
225842006-01-17  Kazu Hirata  <kazu@codesourcery.com>
22585
22586	* Makefile.in (FUNCTION_H): New.  Use it instead of
22587	function.h throughout the file.
22588	* function.h: Include tree.h.
22589
225902006-01-17  Ben Elliston  <bje@au.ibm.com>
22591
22592	* recog.c: Separate some functions with whitespace.
22593
225942006-01-16  Richard Henderson  <rth@redhat.com>
22595
22596	Merge from gomp branch:
22597	* Makefile.in (TREE_INLINE_H): New.  Use it as needed.
22598	* tree-inline.h (struct copy_body_data): Move from tree-inline.c
22599	and rename from struct inline_data.  Rename callee* to dst*;
22600	caller* to src*; add copy_decl hook, transform_call_graph_edges,
22601	transform_new_cfg, transform_return_to_modify, and
22602	transform_lang_insert_block flags; remove cloning_p, versioning_p,
22603	update_clones_p.
22604	(copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22605	(copy_decl_for_dup): Remove.
22606	* tree-inline.c (struct inline_data): Move to header.
22607	(insert_decl_map): Export.
22608	(remap_decl): Update for member name changes.  Use copy_decl hook.
22609	Allow for replacement to be a non-decl.  Remove dead code.
22610	(remap_type_1): Check for existing mapping.
22611	(remap_type): Export.
22612	(remap_decls): Update for member name changes.
22613	(remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22614	(copy_body, setup_one_parameter, declare_return_variable): Likewise.
22615	(expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22616	(copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22617	(tree_function_versioning, build_duplicate_type): Likewise.
22618	(copy_body_r): Likewise.  Export.
22619	(copy_decl_for_dup): Split into ...
22620	(copy_decl_for_dup_finish, copy_decl_to_var,
22621	copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22622	(replace_ref_tree, inlining_p): Remove.
22623
226242006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22625
22626	* ifcvt.c (if_convert): Make it static.
22627	* rtl.h: Remove the prototype for if_convert.
22628
22629	* local-alloc.c (local_alloc): Make it static.
22630	* rtl.h: Remove the prototype for local_alloc.
22631
22632	* loop.c (loop_optimize): Make it static.
22633	* cfgloop.h: Remove the prototype for loop_optimize.
22634	* rtl.h: Likewise.
22635
226362006-01-16  DJ Delorie  <dj@redhat.com>
22637
22638	* reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22639	mems.
22640
226412006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22642
22643	* pa.md: Disparage copies between general and floating-point registers
22644	in 32-bit move patterns.
22645
226462006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
22647
22648	PR testsuite/25741
22649	* Makefile.in (check-%): Depend on site.exp instead of
22650	$(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22651	directories.
22652
226532006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22654
22655	* global.c (global_alloc): Make it static.
22656	* rtl.h: Remove the prototype for global_alloc.
22657
226582006-01-16  Richard Guenther  <rguenther@suse.de>
22659
22660	* tree-ssa-alias.c (struct used_part): Add write_only field.
22661	(get_or_create_used_part_for): Initialize it to true.
22662	(create_overlap_variables_for): Don't create structure variables
22663	for structures that only are written to.
22664	(find_used_portions): Handle MODIFY_EXPR to track whether a
22665	structure is only written to.
22666
226672006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22668
22669	* bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22670	static.
22671	* basic-block.h: Remove the prototype for
22672	partition_hot_cold_basic_blocks.
22673
226742006-01-16  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
22675
22676	* cppspec.c (lang_specific_spec_functions): Remove.
22677	* gcc.c (lookup_spec_function): Use static_spec_functions directly.
22678	* gcc.h (lang_specific_spec_functions): Remove.
22679	* gccspec.c (lang_specific_spec_functions): Remove.
22680
226812006-01-16  Paolo Bonzini  <bonzini@gnu.org>
22682
22683	* combine.c (record_value_for_reg): Invalidate registers
22684	if INSN is null.
22685	(record_dead_and_set_regs_1): Likewise, by passing them to
22686	record_value_for_reg.
22687	(record_dead_and_set_regs): Invalidate stores made by a
22688	call.  We do not combine across a call, but we still
22689	relied on equivalences.
22690
226912006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
22692
22693	* tree-vrp.c (extract_range_from_binary_expr): Cope with
22694	vrp_int_const_binop returning non-constant nodes.
22695
226962006-01-16  Paul Brook  <paul@codesourcery.com>
22697
22698	* config/m68k/m68k.c (output_move_const_into_data_reg):
22699	Output correct mnemonic for mvz and mvs.
22700
227012006-01-16  Gabor Loki  <loki@gcc.gnu.org>
22702
22703	* rtl-factoring.c: Add sequence abstraction algorithm.
22704	* cfgcleanup.c (outgoing_edges_match): Extra checks.
22705	(try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22706	ABNORMAL edges.
22707	(block_has_preserve_label): New function.
22708	* common.opt: Register new pass.
22709	* Makefile.in: Ditto.
22710	* passes.c: Ditto.
22711	* timevar.def: Ditto.
22712	* tree-pass.h: Ditto.
22713	* emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22714	* rtl.h (make_jump_insn_raw): Add forward decl.
22715	* doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22716
227172006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
22718	    Roger Sayle  <roger@eyesopen.com>
22719
22720	* fold-const.c (fold_minmax): New static function.
22721	(fold_binary) <MIN_EXPR>: Call it.
22722	<MAX_EXPR>: Likewise.
22723	* stor-layout.c (place_field): Use DECL_SIZE consistently
22724	in the computation of the new record size.
22725
227262006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22727
22728	* cse.c (cse_condition_code_reg): Make it static.
22729	* rtl.h: Remove the prototype for cse_condition_code_reg.
22730
22731	* combine.c (combine_instructions): Make it static.
22732	* rtl.h: Remove the prototype for combine_instructions.
22733
227342006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22735
22736	PR target/25168
22737	* tree.c (get_file_function_name_long): Concatenate the first global
22738	object name with a string derived from the input filename of the object
22739	for type "F".
22740
227412006-01-16  Ben Elliston  <bje@au.ibm.com>
22742
22743	* config/i386/winnt-stubs.c: Update FSF address.
22744	* config/xtensa/ieee754-df.S: Ditto.
22745	* config/xtensa/ieee754-sf.S: Ditto.
22746
227472006-01-14  Ian Lance Taylor  <ian@airs.com>
22748
22749	* ifcvt.c (noce_init_if_info): New static function, broken out of
22750	noce_process_if_block.
22751	(noce_process_if_block): Call noce_init_if_info.
22752	(check_cond_move_block): New static function.
22753	(cond_move_process_if_block): New static function.
22754	(process_if_block): Call cond_move_process_if_block.
22755
227562006-01-15  Kazu Hirata  <kazu@codesourcery.com>
22757
22758	* cselib.c (hash_table): Rename to cselib_hash_table.
22759	(cselib_clear_table, discard_useless_values,
22760	remove_useless_values, cselib_lookup_mem, cselib_lookup,
22761	cselib_init, cselib_finish): Adjust uses of hash_table.
22762
227632006-01-14  Kazu Hirata  <kazu@codesourcery.com>
22764
22765	PR tree-optimization/25485
22766	* tree-vrp.c (extract_range_from_binary_expr): Handle cases
22767	where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22768	is known to be false and true, respectively.
22769
227702006-01-14  Richard Guenther  <rguenther@suse.de>
22771
22772	PR tree-optimization/22548
22773	PR tree-optimization/22555
22774	PR tree-optimization/22501
22775	* Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22776	* params.def (salias-max-array-elements): New parameter.
22777	* params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22778	* doc/invoke.texi (salias-max-array-elements): Document.
22779	* tree-flow-inline.h (var_can_have_subvars): We also handle
22780	arrays now.
22781	* tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22782	COMPONENT_REF.
22783	* tree-ssa-structalias.c (params.h): Include.
22784	(push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22785	(find_func_aliases): Handle multiple constraints from ARRAY_REF.
22786	(get_constraint_for): For ADDR_EXPR operating on something
22787	containing an ARRAY_REF, add all subvars to the solution.
22788	(handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22789	* tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22790	for creating MUST_DEFs.
22791	(get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22792
227932006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
22794
22795	* tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22796	functions.
22797	(number_of_iterations_ne, number_of_iterations_lt_to_ne,
22798	assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22799	number_of_iterations_le): New functions.
22800	(number_of_iterations_special): Removed.
22801	(number_of_iterations_exit): Do not use number_of_iterations_special.
22802	* tree.c (unsigned_type_for): Always return integer type.
22803
228042006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
22805	Richard Guenther  <rguenther@suse.de>
22806
22807	PR rtl-optimization/24257
22808	* gcse.c (find_moveable_store): Only consider a store movable
22809	when the SET_SRC of the insn can be assigned to a register.
22810
228112006-01-14  Ian Lance Taylor  <ian@airs.com>
22812
22813	* tree.c (tree_not_class_check_failed): New function.
22814	* tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22815	(tree_not_class_check_failed): Declare.
22816
228172006-01-13  Ian Lance Taylor  <ian@airs.com>
22818
22819	* reload1.c (do_output_reload): Add assertion rejecting a
22820	CALL_INSN.
22821
228222006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
22823
22824	* combine.c (struct reg_stat): Add new fields truncation_label and
22825	truncated_to_mode.
22826	(record_value_for_reg): Reset truncated_to_mode.
22827	(record_truncated_value): New function.
22828	(check_promoted_subreg): Call it.  Rename to check_conversions.
22829	(combine_instructions): Rename check_promoted_subreg to
22830	check_conversions.
22831	(reg_truncated_to_mode): New function.
22832	(make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
22833	(gen_lowpart_or_truncate): New function.
22834	(force_to_mode): Use it instead of gen_lowpart.
22835
228362006-01-13  Diego Novillo  <dnovillo@redhat.com>
22837
22838	* tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
22839	VAR is a tag, not its type tag.
22840
228412006-01-13  Alexandre Oliva  <aoliva@redhat.com>
22842
22843	* config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22844	alternatives to match style of other entries.
22845	(*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
22846
228472006-01-13  Daniel Berlin  <dberlin@dberlin.org>
22848
22849	PR tree-optimization/25771
22850	* tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22851	SSA_NAMES.
22852
228532006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
22854
22855	PR tree-opt/24365
22856	* tree-inline.c (declare_return_variable): If the return variable
22857	was marked as a non gimple complex, set the return slot variable
22858	to be a non gimple comple variable.
22859
228602006-01-13  Richard Guenther  <rguenther@suse.de>
22861
22862	* builtins.c (expand_builtin_sincos): New function.
22863	(expand_builtin_mathfn_3): Remove dead code, sin and cos
22864	do not set errno.
22865	(expand_builtin): Expand sincos using expand_builtin_sincos.
22866
228672006-01-12  DJ Delorie  <dj@redhat.com>
22868
22869	* config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22870	shift counts, separate SI shifts for m32c vs m16c, pass shift type
22871	so that constant shifts can be split.
22872	* config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22873	(m32c_valid_pointer_mode): Make static.
22874	(shift_gen_func_for): New.
22875	(m32c_prepare_shift): Use it.  Split large const shifts into
22876	multiple shifts.
22877	* config/m32c/predicates.md (shiftcount_operand): Allow more
22878	general operands.
22879	(longshiftcount_operand): New.
22880	* doc/md.texi (Machine Constraints): Document In6.
22881
228822006-01-13  Ben Elliston  <bje@au.ibm.com>
22883
22884	* doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22885	REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22886	documentation.
22887
228882006-01-12  Daniel Berlin  <dberlin@dberlin.org>
22889
22890	* tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22891	to try to avoid clobbering pieces of structures when we know
22892	something about the whole structure.
22893	* tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22894
228952006-01-13  Ben Elliston  <bje@au.ibm.com>
22896
22897	* doc/rtl.texi (Insns): Remove statement that libcalls cannot
22898	return in memory, as this is no limitation is no longer present.
22899
229002006-01-12  DJ Delorie  <dj@redhat.com>
22901
22902	* config/m32c/addsub.md (addhi3): Add two more alternatives, for
22903	mova with fb, and for fb+0 -> An.
22904
22905	* config/m32c/mov.md (peephole2): Fix enabling logic.
22906
22907	* config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22908	DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22909	DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22910	FINI_ARRAY_SECTION_ASM_OP): Define.
22911
22912	* config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22913	variable.
22914	(m32c_legitimize_reload_address): New logic to reload FB to An.
22915	(m32c_output_reg_push): Add newline.
22916	(m32c_output_reg_pop): Likewise.
22917
229182006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
22919
22920	* struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22921
229222006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
22923
22924	* config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22925
229262006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22927
22928	* config/sh/predicates.md (sh_rep_vec): Add parallel to
22929	match_code.
22930
229312006-01-11  Ben Elliston  <bje@au.ibm.com>
22932
22933	* rtlanal.c (find_reg_note): Assert insn is not null.
22934
229352006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
22936
22937	* df-scan.c (df_hard_reg_init): Move declaration of i outside
22938	ifdef.
22939
229402006-01-11  Jeff Law  <law@redhat.com>
22941
22942	* tree-ssa-threadupdate.c (threaded_edges): New VEC to
22943	hold edge pairs.
22944	(mark_threaded_blocks, register_jump_thread): New functions.
22945	(thread_through_all_blocks): Remove unwanted argument.  No
22946	longer rely on e->aux to communicate thread target info.
22947	Call mark_threaded_blocks.  Release the threaded_blocks
22948	bitmap and threaded_edges vector when complete.
22949	* tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22950	(threaded_blocks): Remove.
22951	(tree_ssa_dominator_optimize): Remove initialization and
22952	finalization of threaded_blocks.  Simplify call to
22953	thread_through_all_blocks.
22954	(thread_across_edge): Call register_jump_thread rather than
22955	storing thread information into e->aux.
22956	(free_all_edge_infos): Simplify now that e->aux is no longer
22957	used to communicate with thread_through_all_blocks.
22958	* tree-flow.h (thread_through_all_blocks): Update prototype.
22959	(register_jump_thread): Prototype.
22960
229612006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22962
22963	* df-core.c (df_compact_blocks, df_bb_replace): Use
22964	SET_BASIC_BLOCK instead of BASIC_BLOCK.
22965
229662006-01-11  Richard Guenther  <rguenther@suse.de>
22967
22968	PR tree-optimization/25734
22969	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22970	stop propagation after successful propagation to the LHS.
22971
229722006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22973
22974	* basic-block.h (control_flow_graph): Change the type of
22975	x_basic_block_info to VEC(basic_block,gc) *.
22976	(BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22977	basic_block_info.
22978	(SET_BASIC_BLOCK): New.
22979	* cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22980	instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22981	* cfgbuild.c (find_basic_blocks): Likewise.
22982	* cfglayout.c (fixup_reorder_chain): Likewise.
22983	* cfgrtl.c (create_basic_block_structure,
22984	rtl_create_basic_block): Likewise.
22985	* ifcvt.c (find_if_case_1): Likewise.
22986	* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22987	Likewise.
22988
229892006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
22990
22991	* Makefile.in: Removed rotted odf.c entry.
22992
229932006-01-11  Hans-Peter Nilsson  <hp@axis.com>
22994
22995	PR target/25706
22996	* config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22997	("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22998	("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22999	output pattern modifier, not %e.
23000	* config/cris/cris.c (cris_op_str): Update comment about pattern
23001	modifier.
23002	(cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
23003	before falling through into...
23004	<case 'E'>: Redefined from old 'e' case.
23005
230062006-01-11  Jan Hubicka  <jh@suse.cz>
23007
23008	PR target/25042
23009	* i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
23010
230112006-01-11  Jan Hubicka  <jh@suse.cz>
23012
23013	* i386.h (TARGET_DECOMPOSE_LEA): Kill.
23014	* i386.c (x86_decompose_lea): Kill.
23015	(ix86_rtx_costs): Kill.
23016
230172006-01-11  Jan Hubicka  <jh@suse.cz>
23018
23019	* cgraph.c (cgraph_insert_node_to_hashtable): New function.
23020	* cgraph.h (cgraph_node): Add inline_decl.
23021	(cgraph_insert_node_to_hashtable): Declare.
23022	(save_inline_function_body): Declare.
23023	* cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
23024	clones.
23025	(cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
23026	(cgraph_function_versioning): Update call of tree_function_versioning.
23027	(save_inline_function_body): New function.
23028	* function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
23029	saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
23030	* ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
23031	(cgraph_default_inline_p): Likewise.
23032	(cgraph_decide_inlining_incrementally): Likewise.
23033	* tree-inline.c (inline_data): Kill saving_p add update_clones_p.
23034	(copy_bb): Kill saving; do updating of clones.
23035	(copy_cfg_body): Kill saving.
23036	(initialize_inlined-parameters): Likewise.
23037	(expand_call_inline): Likewise.
23038	(save_body): Kill.
23039	(tree_function_versioning): New parameter "update_clones".
23040	(inlining_p): Kill saving.
23041	* tree-inline.h (tree_function_versioning): Update prototype.
23042	* tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
23043	saving.
23044
230452006-01-11  Ian Lance Taylor <ian@airs.com>
23046
23047	* combine.c (struct undo): Remove is_int.  Enumify types of undos.
23048	Allow undoing set of machine mode.
23049	(do_SUBST): Use enums instead of is_int.
23050	(do_SUBST_MODE): New function.
23051	(SUBST_MODE): New macro.
23052	(try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
23053	reg and trying to replace reg_regno_rtx with a new register.
23054	(undo_all): Use new enums, handle undoing a PUT_MODE change.
23055	(simplify_set): Use SUBST_MODE.
23056	(distribute_notes): Remove code that tried to update reg notes
23057	for regno_reg_rtx changes.
23058
230592006-01-11  Paolo Bonzini  <bonzini@gnu.org>
23060
23061	PR tree-optimization/23109
23062	PR tree-optimization/23948
23063	PR tree-optimization/24123
23064
23065	* Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
23066	* tree-cfg.c (single_noncomplex_succ): New.
23067	* tree-flow.h (single_noncomplex_succ): Declare it.
23068	* tree-ssa-math-opts.c (enum place_reciprocal): Remove.
23069	* tree-ssa-math-opts.c (enum place_reciprocal): Remove.
23070	(struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
23071	insert_bb, register_division_in, insert_reciprocals,
23072	replace_reciprocal, free_bb): New.
23073	(execute_cse_reciprocals_1): Rewritten.
23074	(execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
23075	Do not commit any edge insertion.  Always compute dominators and
23076	create the allocation pool.
23077	* target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
23078	* target.h (struct gcc_target): Add min_divistions_for_recip_mul.
23079	* targhooks.c (default_min_divistions_for_recip_mul): New.
23080	* targhooks.h (default_min_divistions_for_recip_mul): New prototype.
23081	* passes.c (init_optimization_passes): Run recip after tree loop
23082	optimizations.
23083	* doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
23084
230852006-01-11  Danny Berlin <dberlin@dberlin.org>
23086	    Kenneth Zadeck <zadeck@naturalbridge.com>
23087
23088	* df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
23089	DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
23090	DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
23091	DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
23092	DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
23093	DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
23094	DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
23095	DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
23096	DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
23097	DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
23098	DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
23099	DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
23100	DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
23101	DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
23102	DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
23103	DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
23104	DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
23105	DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
23106	DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
23107	DF_SCAN_POST_ALLOC): New macros.
23108	(df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
23109	df_free_bb_function, df_local_compute_function, df_init_function,
23110	df_dataflow_function, df_confluence_function_0,
23111	df_confluence_function_n, df_transfer_function,
23112	df_finalizer_function, df_free_function, df_dump_problem_function,
23113	df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
23114	df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
23115	df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
23116	df_urec_bb_info, ) New types.
23117	(df_invalidated_by_call, df_all_hard_regs, df_state) New public
23118	variables.
23119	(df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
23120	df_analyze_simple_change_some_blocks,
23121	df_analyze_simple_change_one_block, df_compact_blocks,
23122	df_bb_replace, df_bb_regno_last_use_find,
23123	df_bb_regno_first_def_find, df_bb_regno_last_def_find,
23124	df_insn_regno_def_p, df_find_def, df_find_use,
23125	df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
23126	df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
23127	df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
23128	debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
23129	debug_df_chain, df_get_dependent_problem, df_chain_create,
23130	df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
23131	df_grow_bb_info, df_chain_dump, df_print_bb_index,
23132	df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
23133	df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
23134	df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
23135	df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
23136	df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
23137	df_rescan_blocks, df_ref_create, df_get_artificial_defs,
23138	df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
23139	df_ref_remove, df_insn_refs_delete, df_refs_delete,
23140	df_reorganize_refs, df_set_state, df_hard_reg_init,
23141	df_read_modify_subreg_p) New public functions.
23142	* df-core.c: The core dataflow solver and glue routines for rtl
23143	dataflow.
23144	(df_init, df_add_problem, df_set_blocks, df_finish,
23145	df_hybrid_search_forward, df_hybrid_search_backward,
23146	df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
23147	df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
23148	df_bb_regno_last_use_find, df_bb_regno_first_def_find,
23149	df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
23150	df_reg_defined, df_find_use, df_reg_used, df_dump,
23151	df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
23152	df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
23153	debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
23154	debug_df_useno, reset_df_after_reload): New functions.
23155	* df-scan.c: The scanning fuctions, once in df.c, completely
23156	rewritten so that they now fully model the functionality of
23157	register usage at the backend.
23158	(df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
23159	df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
23160	df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
23161	df_grow_insn_info, df_rescan_blocks, df_ref_create,
23162	df_get_artificial_defs, df_get_artificial_uses,
23163	df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
23164	df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
23165	df_refs_delete, df_reorganize_refs, df_set_state,
23166	df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
23167	df_def_record_1, df_defs_record, df_uses_record,
23168	df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
23169	df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
23170	df_record_exit_block_uses, df_hard_reg_init): New functions.
23171
23172	* df-problems.c: Seven concrete dataflow problems that use the
23173	scanning in df-scan.c and are solved by the engine in df-core.c.
23174	(df_get_dependent_problem, df_chain_create, df_chain_unlink,
23175	df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
23176	df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
23177	df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
23178	df_ru_free_bb_info, df_ru_alloc,
23179	df_ru_bb_local_compute_process_def,
23180	df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
23181	df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
23182	df_ru_transfer_function, df_ru_free, df_ru_dump,
23183	df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
23184	df_rd_free_bb_info, df_rd_alloc,
23185	df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
23186	df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
23187	df_rd_transfer_function, df_rd_free, df_rd_dump,
23188	df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
23189	df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
23190	df_lr_local_compute, df_lr_init, df_lr_confluence_0,
23191	df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
23192	df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
23193	df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
23194	df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
23195	df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
23196	df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
23197	df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
23198	df_urec_mark_reg_change, df_urec_check_earlyclobber,
23199	df_urec_mark_reg_use_for_earlyclobber,
23200	df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
23201	df_urec_local_compute, df_urec_init, df_urec_local_finalize,
23202	df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
23203	df_urec_dump, df_urec_add_problem, df_chain_alloc,
23204	df_chain_create_bb_process_use, df_chain_create_bb,
23205	df_chain_finalize, df_chain_free, df_chains_dump,
23206	df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
23207	df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
23208	df_reg_lifetime): New functions.
23209	* df.c: Deleted file.
23210	* ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
23211	consistent with new df api.
23212	* modulo-sched.c (sms_schedule, rest_of_handle_sms,
23213	rest_of_handle_sms): Ditto.
23214	* web.c (unionfind_union, union_defs, entry_register, web_main):
23215	Ditto.
23216	* loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
23217	invariant_expr_equal_p, find_defs, check_dependencies,
23218	find_invariant_insn, find_invariants_to_move, move_invariant_reg,
23219	free_inv_motion_data, move_loop_invariants): Ditto.
23220	* Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
23221	Update dependencies.
23222	(odf.c): Added defective entry that was deleted later in day.
23223	* sched-deps.c (sched_analyze_1): Ditto.
23224
232252006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
23226
23227	* tree-ssa-operands.c (get_expr_operands): Record addressable
23228	variables directly.  Do not call add_stmt_operands for CONST_DECLs
23229	and ARRAY_DECLs.
23230	(get_indirect_ref_operands): Remove handling of *(&a + offset) case.
23231	(add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
23232
232332006-01-11  Ben Elliston  <bje@au.ibm.com>
23234
23235	* config/i386/i386.c (ix86_return_in_memory): Fix comment: this
23236	function returns true in the positive case.
23237
232382006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23239
23240	PR target/20754
23241	* config/pa/pa.md: Create separate 32 and 64-bit move patterns
23242	for SI, DI, SF and DF modes.  Add alternatives to copy between
23243	general and floating point registers to the 32-bit patterns.
23244	* config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
23245	* config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
23246	(SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
23247	generating 64-bit code.
23248	* config/pa/pa.c (output_move_double): Handle copies between general
23249	and floating registers.
23250
232512006-01-10  Stuart Hastings  <stuart@apple.com>
23252
23253	* config/i386/i386.md (set_got): Update.
23254	(set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
23255	(builtin_setjmp_receiver): Mach-O support.
23256	* config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
23257	(GOT_SYMBOL_NAME): Define.
23258	(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
23259	(TARGET_DEEP_BRANCH_PREDICTION): Remove.
23260	* config/i386/i386.c (override_options): Revise for Darwin.
23261	(USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
23262	support.  (darwin_x86_file_end): New.  (output_set_got): Add label
23263	parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
23264	* config/i386/i386-protos.h (output_set_got): Likewise.
23265	* config/darwin.c (machopic_legitimize_pic_address): Update
23266	regs_ever_live[].
23267
232682006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
23269
23270	* config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
23271	when MODE isn't BLKmode.
23272
232732006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
23274
23275	PR rtl-optimization/25367
23276	* config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
23277
232782006-01-10  Hans-Peter Nilsson  <hp@axis.com>
23279
23280	PR target/25718
23281	* config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
23282	for a negative bound.
23283
232842006-01-10  Richard Guenther  <rguenther@suse.de>
23285
23286	* tree-ssa-structalias.c (get_constraint_for_component_ref):
23287	Never override with anything constraint.
23288
232892006-01-10  Jan Beulich  <jbeulich@novell.com>
23290
23291	* config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23292	256 bits when optimize_size.
23293
232942006-01-10  Jan Beulich  <jbeulich@novell.com>
23295
23296	* config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23297	MASK_ALIGN_DOUBLE.
23298	* config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23299	* config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23300	arguments.
23301
233022006-01-10  Ben Elliston  <bje@au.ibm.com>
23303
23304	* config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23305	float modes.
23306	* config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23307	(TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23308	(USE_FP_FOR_ARG): Reject decimal float modes.
23309	(function_arg_advance): Likewise.
23310	(output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23311	(rs6000_handle_altivec_attribute): Do not permit decimal floating
23312	point types in AltiVec vectors.
23313	(rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23314	(rs6000_libcall_value): Likewise.
23315
233162006-01-09  Bob Wilson  <bob.wilson@acm.org>
23317
23318	* config/xtensa/ieee754-df.S: New file.
23319	* config/xtensa/ieee754-sf.S: New file.
23320	* config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23321	(LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23322	* config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23323
233242006-01-09  Kazu Hirata  <kazu@codesourcery.com>
23325
23326	* config/sh/predicates.md (binary_float_operator,
23327	binary_logical_operator, commutative_float_operator,
23328	equality_comparison_operator, greater_comparison_operator,
23329	less_comparison_operator, logical_operator,
23330	noncommutative_float_operator, shift_operator,
23331	symbol_ref_operand, unary_float_operator): Remove redundant
23332	conditionals.
23333
233342006-01-09  Jeff Law  <law@redhat.com>
23335
23336	* tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23337	code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
23338	now unused arguments.  Callers updated.
23339	(eliminate_redundant_computations): Remove now unused arguments,
23340	callers updated.
23341	(local_fold): Remove, no longer used.
23342	(find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23343	and moved to...
23344	* tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23345	(simplify_cond): New function.
23346	(forward_propagate_into_cond): Call simplify_cond.
23347
233482006-01-09  Alexandre Oliva  <aoliva@redhat.com>
23349
23350	* config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23351	(*vec_extractv2di_1_sse): New.
23352
233532006-01-09  Ben Elliston  <bje@au.ibm.com>
23354
23355	* config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23356
233572006-01-08  Richard Guenther  <rguenther@suse.de>
23358
23359	* tree-ssa-structalias.c (get_constraint_for): Remove
23360	anyoffset argument.
23361	(get_constraint_for_component_ref): Likewise.
23362	(do_deref): Likewise.
23363	(get_constraint_for): Likewise.
23364	(do_structure_copy): Likewise.
23365	(handle_ptr_arith): Likewise.
23366	(find_func_aliases): Likewise.  Remove unused need_anyoffset
23367	variable.
23368
233692006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
23370	    Kaz Kojima  <kkojima@gcc.gnu.org>
23371
23372	* config/sh/sh.h (CONST_OK_FOR_K16): Define.
23373	(CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23374	(EXTRA_CONSTRAINT_C16): Remove.
23375	(EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23376	(EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23377	EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23378	* config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23379	constants of SHmedia.  Handle nested constant expressions of
23380	SHmedia correctly.
23381	(andcosts): Fix the costs for SHmedia constants.
23382	(sh_rtx_costs): Take account of outer_code for SHmedia constants.
23383	* config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23384	(*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23385	(*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23386	(movv4hi_i, movv2si_i):	Likewise.
23387	(movsi_const): Adjust the second operand of ior so to match with
23388	the Csu constraint.
23389	(movdi_const, movdi_const_32bit): Likewise.
23390	(movdi_const_16bit+1): Don't sign-extend LOW.
23391	(movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
23392	step.
23393	(*double_shori): Fix the split condition.  Use GEN_INT instead
23394	of get_int_mode calls.  Mask lower 16-bit of the argument of
23395	the last GEN_INT.
23396	(sym2GOTPLT): Remove.
23397	(symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23398	gen_rtx_UNSPEC.
23399	* config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23400	instead of EXTRA_CONSTRAINT_C16.
23401
234022006-01-07  Ian Lance Taylor  <ian@airs.com>
23403	    David Edelsohn  <edelsohn@gnu.org>
23404
23405	PR rtl-optimization/25662
23406	* optabs.c (simplify_expand_binop): Use simplify_binary_operation
23407	for constant operands instead of simplify_gen_binary.
23408	* simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23409	after trying simplify_binary_operation
23410
234112006-01-06  Daniel Berlin  <dberlin@dberlin.org>
23412
23413	* tree.c (iterative_hash_expr): Hash decls based on UID.
23414
234152006-01-06  Eric Christopher  <echristo@apple.com>
23416
23417	* doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23418	(TARGET_UNWIND_EMIT): Fix spelling.
23419	* target.h (gcc_target): Add except_table_label.
23420	* except.c (output_function_exception_table): Use.
23421	* varasm.c (default_emit_except_table_label): New.
23422	* target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23423	define.
23424	(asm_out): Add here.
23425	* output.h (default_emit_except_table_label): Prototype.
23426	* config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23427	* config/darwin.c (darwin_emit_except_table_label): Define.
23428	* config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23429
234302006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
23431
23432	PR tree-optimization/18527
23433	* tree-ssa-loop-niter.c (number_of_iterations_cond,
23434	number_of_iterations_special, number_of_iterations_exit):
23435	Move base and step of an iv to a single structure.  Add
23436	no_overflow flag, and use it in # of iterations analysis.
23437	* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23438	folded_casts argument.
23439	(simple_iv): Pass base and step in a structure.  Set no_overflow
23440	flag.
23441	(scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23442	Evaluate expensiveness of computing # of iterations instead of
23443	the final expression.
23444	* tree-scalar-evolution.h (affine_iv): New structure.
23445	(simple_iv): Declaration changed.
23446	* tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23447	* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23448	find_givs_in_stmt): Changed due to simple_iv change.
23449
234502006-01-06  Jeff Law  <law@redhat.com>
23451
23452	PR ada/24994
23453	* tree-cfg.c (bsi_replace): Rename final argument from
23454	PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
23455	change (stmt -> orig_stmt).
23456	* tree-eh.c (verify_eh_throw_stmt_node): New function.
23457	(bsi_remove): Add new argument.  Remove EH information
23458	if requested.
23459	(verify_eh_throw_table_statements): New function.
23460	(bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
23461	updated.
23462	* tree-optimize.c (execute_free_cfg_annotations): Verify
23463	the EH throw statement table after removing annotations.
23464	* except.h (verify_eh_throw_table_statements): Prototype.
23465	* tree-flow.h (bsi_remove): Update prototype.
23466	* tree-vrp.c (remove_range_assertions): Add new argument to
23467	bsi_remove call.
23468	* tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23469	* tree-complex.c (expand_complex_div_wide): Likewise.
23470	* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23471	* tree-tailcall.c (eliminate_tailcall): Likewise.
23472	* tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23473	* tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23474	* tree-nrv.c (tree_nrv): Likewise.
23475	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23476	* tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23477	(combine_blocks): Likewise.
23478	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23479	* tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23480	(cleanup_control_flow): Likewise.
23481	(remove_forwarder_block): Likewise.
23482	* tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23483	* tree-sra.c (sra_replace): Likewise.
23484	* tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23485	(forward_propagate_single_use_vars): Likewise.
23486	* tree-ssa-dce.c (remove_dead_stmt): Likewise.
23487	* tree-inline.c (expand_call_inline): Likewise.
23488	* tree-vect-transform.c (vect_transform_loop): Likewise.
23489	* tree-outof-ssa.c (rewrite_trees): Likewise.
23490	* tree-cfg.c (make_goto_expr_edges): Likewise.
23491	(cleanup_dead_labels): Likewise.
23492	(tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23493	(bsi_move_before, bsi_move_after): Likewise.
23494	(bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23495	(tree_redirect_edge_and_branch, tree_split_block): Likewise.
23496
234972006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
23498
23499	PR tree-opt/25528
23500	* tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23501	and IMAGPART_EXPR.
23502	* tree-flow-inline.h (var_can_have_subvars): Handle complex types
23503	on non gimple variables.  Also add checks at the top for decls and
23504	mtags.
23505	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23506	complex types.
23507	* tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23508	and IMAGPART_EXPR for creating MUST_DEFs.
23509	(get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23510	and NAME_MEMORY_TAG separately from the DECLs.
23511
235122006-01-06  Richard Guenther  <rguenther@suse.de>
23513
23514	* tree-dfa.c (mark_new_vars_to_rename): Create stmt
23515	annotation, if necessary.
23516	* tree-ssa-pre.c (create_expression_by_pieces): Remove
23517	redundant calls to update_stmt.
23518	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23519	Likewise.
23520
235212006-01-05  Richard Henderson  <rth@redhat.com>
23522
23523	* c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23524
235252006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
23526
23527	* c-typeck.c: Update copyright date.
23528
235292006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
23530
23531	* c-typeck.c (build_c_cast): Always warn when casting
23532	from a pointer to an integer of different size, even if
23533	the node was constant.
23534
235352006-01-05  Richard Guenther  <rguenther@suse.de>
23536
23537	PR tree-optimization/22555
23538	* tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23539	if one structure field is an array.
23540	* tree-ssa-operands.c (get_expr_operands): Continue scanning
23541	operands even if we found a subvar, but ignore VOPs in this
23542	case.
23543	* tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23544	for renaming.
23545	* tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23546
235472006-01-05  Richard Earnshaw  <rearnsha@arm.com>
23548
23549	PR middle-end/24998
23550	* arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23551
235522006-01-05  Richard Guenther  <rguenther@suse.de>
23553	    Diego Novillo  <dnovillo@redhat.com>
23554
23555	* tree-pass.h (TODO_remove_unused_locals): Define.
23556	* gimple-low.c (expand_var_p, remove_useless_vars,
23557	pass_remove_useless_vars): Remove.  Update all users.
23558	* tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23559	(remove_unused_locals): New function.
23560	* tree-flow.h (remove_unused_locals): Declare.
23561	* passes.c (execute_todo): Call remove_unused_locals if
23562	TODO_remove_unused_locals is set.
23563	* tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23564	* tree-ssa-dce.c (pass_dce): Likewise.
23565	* tree-outof-ssa.c (pass_del_ssa): Likewise.
23566
235672006-01-05  Richard Guenther  <rguenther@suse.de>
23568
23569	* tree-flow.h (struct fieldoff): Decompose field to
23570	type, size and decl.
23571	* tree-ssa-alias.c (create_sft): Take type as parameter.
23572	(create_overlap_variables_for): Store type, size and decl
23573	in the fieldoff structure.
23574	* tree-ssa-structalias.c (fieldoff_compare): Adjust users
23575	of struct fieldoff.
23576	(push_fields_onto_fieldstack): Likewise.
23577	(create_variable_info_for): Likewise.  Use offset for the
23578	SFT name if the decl is not available.
23579
235802006-01-04  Paul Brook  <paul@codesourcery.com>
23581
23582	* config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23583
235842006-01-04  Daniel Berlin  <dberlin@dberlin.org>
23585
23586	* lambda-code.c (can_put_in_inner_loop): Relax
23587	restrictions.
23588	(can_put_after_inner_loop): New function.
23589	(can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23590	(perfect_nestify): Change to make copies and modify uses.
23591
235922006-01-04  Richard Henderson  <rth@redhat.com>
23593
23594	Merge from gomp branch:
23595	* c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23596	via integer constant.
23597	(pragma_lex): Remove.
23598	* c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23599	rather than parsing it.
23600	* c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23601	handle_pragma_extern_prefix): Add %< %> quotes.
23602	(registered_pragmas): New.
23603	(c_register_pragma_1): New.
23604	(c_register_pragma): Use it.
23605	(c_register_pragma_with_expansion): Likewise.
23606	(c_invoke_pragma_handler): New.
23607	(init_pragma): Use cpp_register_deferred_pragma directly for
23608	pch_preprocess.
23609	* c-pragma.h (enum pragma_kind): New.
23610	(pragma_handler): New.
23611	(c_invoke_pragma_handler): Declare.
23612	* c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23613	CPP_PRAGMA_EOL.
23614	* c-common.h (c_common_pch_pragma): Update decl.
23615	* Makefile.in (c-parser.o): Update dependencies.
23616	(GTFILES): Add c-pragma.h.
23617	* c-parser.c (struct c_token): Add pragma_kind.
23618	(struct c_parser): Add in_pragma.
23619	(c_lex_one_token): Always initialize keyword and pragma_kind.
23620	Extract data for CPP_PRAGMA.
23621	(c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23622	(c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23623	Don't allow CPP_PRAGMA_EOL if in_pragma.
23624	(c_parser_consume_pragma): New.
23625	(c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23626	(c_parser_skip_to_end_of_parameter): Likewise.
23627	(c_parser_skip_to_end_of_block_or_statement): Likewise.
23628	(c_parser_skip_to_pragma_eol): New.
23629	(c_parser_external_declaration): Handle CPP_PRAGMA.
23630	(c_parser_compound_statement_nostart): Likewise.
23631	(c_parser_statement_after_labels): Likewise.
23632	(c_parser_pragma): New.
23633	(pragma_lex): Likewise.
23634	(c_parser_pragma_pch_preprocess): New.
23635	(c_parser_new): Merge into ...
23636	(c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
23637
236382006-01-04  Jeff Law  <law@redhat.com>
23639
23640	PR ada/24994
23641	* tree-cfg.c (bsi_replace): Remove the original statement
23642	from the EH throw statement table.
23643
236442006-01-04  Jakub Jelinek  <jakub@redhat.com>
23645
23646	* config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23647	make the prototype extern "C" and add throw ().
23648
23649	PR target/25554
23650	* config/i386/i386.md (testqi_ext_3): Ensure len is positive
23651	and pos non-negative and pos + len <= 32.
23652	(testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23653	drop pos + len < HOST_BITS_PER_WIDE_INT test.
23654	(testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23655
23656	PR c/25559
23657	* c-common.c (handle_vector_size_attribute): Reject zero vector size
23658	as well as sizes not multiple of component size.
23659
23660	PR debug/25562
23661	* function.c (instantiate_expr): New function.
23662	(instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23663	walk its DECL_VALUE_EXPR with instantiate_expr.
23664
23665	* dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23666	DW_OP_deref{,_size} if address isn't going to be added.
23667
236682006-01-04  Ben Elliston  <bje@au.ibm.com>
23669
23670	* config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23671	* config/fp-bit.c: Likewise.
23672
236732006-01-03  Daniel Berlin  <dberlin@dberlin.org>
23674
23675	* dominance.c: Add comment about why we use DFS numbering
23676	of dominance tree.
23677
236782006-01-03  Jakub Jelinek  <jakub@redhat.com>
23679	    Richard Henderson  <rth@redhat.com>
23680
23681	Merge from gomp-branch:
23682	* varasm.c (assemble_variable): Handle thread-local COMMON data.
23683	* defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23684
236852006-01-03  Paolo Bonzini  <bonzini@gnu.org>
23686
23687	PR rtl-optimization/25578
23688	* combine.c (combine_simplify_rtx, force_to_mode): Don't
23689	pass a parameter to simplify_shift_const if changing ASHIFTRT
23690	to LSHIFTRT.
23691
236922006-01-03  Adrian Straetling  <straetling@de.ibm.com>
23693
23694	* builtins.c (get_builtin_sync_mem): New function.
23695	(expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23696	expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23697	Call get_builtin_sync_mem to generate mem rtx.
23698
236992006-01-03  Richard Guenther  <rguenther@suse.de>
23700
23701	PR c/25183
23702	* stmt.c (add_case_node): Make sure to clear overflow flags
23703	from ranges.
23704
237052006-01-03  Jakub Jelinek  <jakub@redhat.com>
23706
23707	Merge from gomp-branch.
23708	* config/sparc/sync.md: New file.
23709	* config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23710	UNSPECV_LDSTUB): New constants.
23711	* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23712	* config/sparc/predicates.md (memory_reg_operand): New predicate.
23713	* config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23714	prototype.
23715
237162006-01-03  Roger Sayle  <roger@eyesopen.com>
23717
23718	* combine.c (reg_subword_p): New predicate to test whether the
23719	destination of a set refers to a subword/piece of a register.
23720	(try_combine): Generalize the code to merge the setting of a
23721	pseudo to a constant followed by a set of a subword of that
23722	register to a constant.
23723
237242006-01-03  Kazu Hirata  <kazu@codesourcery.com>
23725
23726	* basic-block.h (control_flow_graph): Change the type of
23727	x_label_to_block_map to VEC(basic_block,gc) *.
23728	* tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23729	set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23730
23731	* tree-ssa-propagate.c (cfg_blocks): Change the type to
23732	VEC(basic_block,heap) *.
23733	(cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23734	ssa_prop_fini): Adjust the uses of cfg_blocks.
23735
237362006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
23737
23738	* fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23739	COMPONENT_REFs.
23740	* emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23741	hashing trees instead of a pointer hash.
23742	(mem_attrs_htab_eq): Do a deep compare instead of a pointer
23743	compare for MEM_EXPR.
23744
23745	PR rtl-optimization/25130
23746	* cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23747	when comparing MEMs for GCSE
23748
237492006-01-03  Ben Elliston  <bje@au.ibm.com>
23750
23751	* targhooks.h (default_decimal_float_supported_p): Declare.
23752	* targhooks.c (default_decimal_float_supported_p): Define.
23753	* target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23754	`default_decimal_float_supported_p'.
23755	* doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23756
237572006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
23758
23759	* combine.c (apply_distributive_law <SUBREG>): Check
23760	TRULY_NOOP_TRUNCATION.
23761
237622006-01-02  Geoffrey Keating  <geoffk@apple.com>
23763
23764	* dwarf2out.c (have_switched_text_section): Delete.
23765	(have_multiple_function_sections): New.
23766	(have_location_lists): Make 'bool'.
23767	(add_AT_loc_list): Use 'true' not '1'.
23768	(dwarf2out_switch_text_section): Set have_multiple_function_sections.
23769	(output_loc_list): Use have_multiple_function_sections.
23770	(output_ranges): Likewise.
23771	(dwarf2out_begin_function): Set have_multiple_function_sections if
23772	necessary.
23773	(dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23774	Check function_section rather than DECL_SECTION_NAME.
23775	(dwarf2out_finish): Use have_multiple_function_sections.
23776	Don't clear have_location_lists.
23777
237782006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
23779	    Jan Hubicka  <jh@suse.cz>
23780
23781	* cfglayout.c (fixup_reorder_chain): Remove kludge for the
23782	case of conditional jump jumping to the next instruction.
23783	* cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23784	cases of conditional jump jumping to the next instruction.
23785
237862006-01-02  Jan Hubicka  <jh@suse.cz>
23787
23788	* i386.c (*_cost): Add COSTS_N_INSNS.
23789	(ix86_rtx_costs): Do not use COSTS_N_INSNS.
23790
237912006-01-02  Paolo Bonzini  <bonzini@gnu.org>
23792
23793	PR target/25259
23794	* Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23795
237962006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
23797
23798	* config/arm/arm.c (all_fpus): Fix comment typo.
23799	* config/darwin.c: Likewise.
23800	* config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23801	* config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23802	* config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23803
238042006-01-01  David Edelsohn  <edelsohn@gnu.org>
23805
23806	* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23807	(rs6000_split_compare_and_swapqhi): New.
23808	* config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23809	(sync_compare_and_swapqhi_internal): New.
23810	* config/rs6000/rs6000-protos.h: Declare.
23811
23812
23813Copyright (C) 2006 Free Software Foundation, Inc.
23814
23815Copying and distribution of this file, with or without modification,
23816are permitted in any medium without royalty provided the copyright
23817notice and this notice are preserved.
23818