12000-06-30  Mark Mitchell  <mark@codesourcery.com>
2
3	* Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
4	* c-common.c (ridpointers): Declare.
5	* c-common.h (enum rid): Declare.
6	(NORID): Likewise.
7	(ridpointers): Likewise.
8	* c-lex.c (ridpointers): Don't declare.
9	(init_lex): Initialize ridpointers.
10	* c-lex.h (enum rid): Don't declare.
11	(NORID): Likewise.
12	(RID_FIRST_MODIFIER): Likewise.
13	(ridpointers): Likewise.
14
152000-06-30  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
16
17	* pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
18	have global scope.
19
202000-06-30  Martin von Loewis  <loewis@informatik.hu-berlin.de>
21
22	* invoke.texi (-Wreturn-type): In C++, a missing return type is
23	always an error.
24
252000-06-30  Catherine Moore  <clm@cygnus.com>
26
27	* c-common.c (decl_attributes):  Differentiate between
28	types and type decls for alignment.
29
302000-06-30  Nathan Sidwell  <nathan@codesourcery.com>
31
32	* cpp.texi: Document #pragma GCC dependency
33	* cppfiles.c (open_include_file): Set date to unknown.
34	(_cpp_compare_file_date): New function.
35	(read_include_file): Set file date.
36	* cpphash.h (struct include_file): Add date member.
37	(_cpp_compare_file_date): Prototype.
38	* cpplib.c (parse_include): Add trail parameter. Adjust.
39	(do_include): Adjust parse_include call.
40	(do_import): Likewise.
41	(do_include_next): Likewise.
42	(gcc_pragmas): Add dependency pragma.
43	(do_pragma_dependency): New pragma.
44
452000-06-29  Jason Merrill  <jason@redhat.com>
46
47	* dwarf2out.c (output_loc_operands): Don't abort on codes that have
48	no operands.
49
502000-06-29  Jim Wilson  <wilson@cygnus.com>
51
52	* config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
53	a volatile mem and FR_REGS.
54
552000-06-29  Mark Mitchell  <mark@codesourcery.com>
56
57	* c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
58	* c-common.h (flag_const_strings): Declare.
59	(warn_format): Likewise.
60	(flag_traditional): Likewise.
61	(flag_isoc99): Likewise.
62	(warn_parentheses): Likewise.
63	(warn_conversion): Likewise.
64	(C_TYPE_OBJECT_P): Likewise.
65	(C_TYPE_INCOMPLETE_P): Likewise.
66	(C_TYPE_FUNCTION_P): Likewise.
67	(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
68	(C_EXP_ORIGINAL_CODE): Likewise.
69	(build_unary_op): Likewise.
70	(build_binary_op): Likewise.
71	(lvalue_p): Likewise.
72	(default_conversion): Likewise.
73	(common_type): Likewise.
74	* c-tree.h (C_TYPE_OBJECT_P): Remove.
75	(C_TYPE_INCOMPLETE_P): Likewise.
76	(C_TYPE_FUNCTION_P): Likewise.
77	(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
78	(C_EXP_ORIGINAL_CODE): Likewise.
79	(common_type): Likewise.
80	(default_conversion): Likewise.
81	(build_binary_op): Likewise.
82	(build_unary_op): Likewise.
83	(lvalue_p): Likewise.
84	(flag_const_strings): Likewise.
85	(warn_format): Likewise.
86	(warn_conversion): Likewise.
87	(flag_traditional): Likewise.
88	(flag_isoc99): Likewise.
89	(warn_parentheses): Likewise.
90
912000-06-29  James E. Wilson  <wilson@cygnus.com>
92
93	* config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
94
95	* config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
96	same.  Only tie XFmode with XFmode.
97
982000-06-29  Zack Weinberg  <zack@wolery.cumb.org>
99
100	* c-decl.c, timevar.c, tlink.c: Include intl.h.
101	* Makefile.in: Update deps.
102
1032000-06-29  Andrew Haley  <aph@cygnus.com>
104
105	* toplev.c (main): On an IA-64, make flag_unwind_tables defauit
106	to true.
107
1082000-06-29  Andrew Haley  <aph@cygnus.com>
109
110	* config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
111	bytes: remove the multiply by 8.
112
1132000-06-29  Philipp Thomas  <pthomas@suse.de>
114
115	* rtl.c : Revert NLS changes.
116	* gcc.c : Fix bug in display_help introced by my last changes.
117
118Wed Jun 28 21:09:33 2000   Raja R Harinath <harinath@cs.umn.edu>
119
120	* dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
121	DECL_CONTEXT, not DECL_FIELD_CONTEXT.
122
1232000-06-29  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
124
125	* flow.c (flow_depth_first_order_compute): Fix algorithm.
126
1272000-06-28  Philipp Thomas  <pthomas@suse.de>
128
129	* c-decl.c : Mark strings for translation.
130	(parmlist_tags_warning): Use distinct messages instead
131	of conditional expressions.
132	* diagnostic.c (v_message_with_decl): Mark string for translation.
133	* gcc.c: Mark messages for translation.
134	(display_help): Combine messages into one string where necessary.
135	* mips-tfile: Add intl.h. Mark messages for translation.
136	* rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
137	messages for translation.
138	* timevar.c: Mark messages for translation.
139	* tlink.c: Likewise.
140	* toplev.c: Likewise.
141
142Wed Jun 28 15:39:26 2000  Donn Terry (donnte@microsoft.com)
143
144	* i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
145
146	* alpha/alpha-interix.h: Delete redundant -Asystem(interix),
147	use -isystem instead of -idirafter.
148	* i386/i386-interix.h: Likewise.
149
1502000-06-28  Jason Merrill  <jason@redhat.com>
151
152	* dwarf2out.c (output_loc_operands): Don't support >1 byte output
153	unless DWARF2_DEBUGGING_INFO is defined.
154	(ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
155
1562000-06-28  Richard Henderson  <rth@cygnus.com>
157
158	* config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
159
1602000-06-28  Jakub Jelinek  <jakub@redhat.com>
161
162	* cpplex.c (output_line_command): Output correct #line if a header
163	is including itself and is not protected against multiple inclusion.
164
1652000-06-28  Zack Weinberg  <zack@wolery.cumb.org>
166
167	* cppfiles.c (open_include_file): If open(2) returns EMFILE or
168	ENFILE, close all cached file descriptors and try again.
169	(_cpp_execute_include): Keep a count of the number of times
170	each header is included.
171	(close_cached_fd): New function.
172	* cpphash.h (struct include_file): Rename before to
173	include_count; all users updated.  Make include_count and sysp
174	unsigned short.
175	* cppinit.c (cpp_finish): If -H, report headers that could use
176	reinclude guards.
177	(report_missing_guard): New function.
178
179Wed Jun 28 14:46:58 MET DST 2000  Jan Hubicka  <jh@suse.cz>
180
181	* i386.md (prologue_set_got): Set length_immediate field.
182	(testqi_ccno_1):  Add missing '@' character.
183
1842000-06-27  Jason Merrill  <jason@redhat.com>
185
186	* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
187	DWARF_FRAME_REGNUM.
188
1892000-06-27  Andrew Macleod <amacleod@cygnus.com>
190
191	* dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
192	unsigned macros available.
193
1942000-06-27  Richard Henderson  <rth@cygnus.com>
195
196	* config/ia64/ia64.c (emit_insn_group_barriers): Special case
197	epilogue_deallocate_stack.
198
199	* config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
200	completers for UNORDERED and ORDERED as well.
201	* config/ia64/ia64.md (bunordered, bordered): New.
202	(sunordered, sordered): New.
203
204Tue Jun 27 12:14:12 MET DST 2000  Jan Hubicka  <jh@suse.cz>
205
206	* genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
207	* i386.c (ix86_attr_length_default): Kill.
208	(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
209	New.
210	* i386-protos.h (ix86_attr_length_default): Kill
211	(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
212	Add prototype
213	* i386.md (attribute type): Add "test".
214	(attribute length_prefix): Kill.
215	(attribute length_opcode): Kill.
216	(attribute i387, mode, length_immediate, length_address, prefix_data16,
217	prefix_rep, prefix_0f, modrm): New.
218	(attribute length): Compute using the new attributes.
219	(attribute pent_prefix): New.
220	(attribute pent_pair): Compute using pent_prefix.
221	(all insn patterns): Set mode,modrm and immediate_length attributes where
222	needed.
223	(cmpsi patterns): Compute sizes properly for test instruction.
224	(movsi, movhi patterns): Compute sizes properly for eax shortcuts.
225	(movstricthi_xor, movstrictqi_xor): New patterns.
226	(andsi/andhi): Use splitters to generate xor instructions.
227	(xorqi_ext_1): New pattern.
228	(movstricthi->movstricthi_xor peep2): New.
229
230Tue Jun 27 12:03:03 MET DST 2000  Jan Hubicka  <jh@suse.cz>
231
232	* i386.md (addqi_low_1): Remove.
233
2342000-06-27  Philipp Thomas  <pthomas@suse.de>
235
236	* 1750a.h: Mark help strings for options/switches for translation.
237	* a29k.h: Likewise.
238	* alpha.h: Likewise.
239	* arm.h: Likewise.
240	* pe.h: Likewise.
241	* riscix.h: Likewise.
242	* c4x.h: Likewise.
243	* clipper.h: Likewise.
244	* convex.h: Likewise.
245	* elxsi.h: Likewise.
246	* fr30.h: Likewise.
247	* fx80.h: Likewise.
248	* h8300.h: Likewise.
249	* i370.h: Likewise.
250	* cygwin.h: Likewise.
251	* dgux.h: Likewise.
252	* djgpp.h: Likewise.
253	* i386.h: Likewise.
254	* osf1elf.h: Likewise.
255	* osfrose.h: Likewise.
256	* sco5.h: Likewise.
257	* win32.h: Likewise.
258	* i860.h: Likewise.
259	* paragon.h: Likewise.
260	* i960.h: Likewise.
261	* ia64.h: Likewise.
262	* m32r.h: Likewise.
263	* mcore.h: Likewise.
264	* mips.h: Likewise.
265	* mn10300.h: Likewise.
266	* ns32k.h: Likewise.
267	* pdp11.h: Likewise.
268	* pj.h: Likewise.
269	* aix.h: Likewise.
270	* aix41.h: Likewise.
271	* aix43.h: Likewise.
272	* beos.h: Likewise.
273	* rs6000.h: Likewise.
274	* sysv4.h: Likewise.
275	* linux.h: Likewise.
276	* linux64.h: Likewise.
277	* sp64-elf.h: Likewise.
278	* sparc.h: Likewise.
279	* splet.h: Likewise.
280	* v850.h: Likewise.
281	* convex.h (TARGET_SWITCHES): Provide descriptions and mark them
282	for translation.
283	* sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
284	Properly document option and mark for translation.
285	* sp86x-elf.h: Likewise.
286
2872000-06-27  Bernd Schmidt  <bernds@cygnus.co.uk>
288
289	Add MMX and SSE registers to i386 machine description.
290	* i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
291	ix86_local_alignment): Declare.
292
293	* i386.h (TARGET_MMX, TARGET_SSE): New.
294	(FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
295	REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
296	REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
297	enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
298	(FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
299	(FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
300	(RETURN_IN_MEMORY): Handle MMX/SSE.
301	(REG_PARM_STACK_SPACE): Added so the first three TImode parameters
302	also get stack space.
303	(MUST_PASS_IN_STACK): Added TImode to the default definition.
304	(CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
305	(MMX_REGISTER_NAMES): New.
306	(ALIGN_MODE_128): New macro.
307	(CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
308	(DATA_ALIGNMENT): Likewise.
309	(LOCAL_ALIGNMENT): Likewise.
310	(CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
311	TARGET_MMX/TARGET_SSE.
312	(VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
313	(REG_CLASS_FROM_LETTER): 'y' for MMX regs.
314	(SECONDARY_MEMORY_NEEDED): Be conservative about copying between
315	SSE/MMX regs and something else.
316	(CLASS_MAX_NREGS): 1 for SSE and MMX regs.
317	(REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
318	3 if moving between MMX regs and something else.
319
320	* i386.c (reg_class): Add SSE_REGS, MMX_REGS.
321	(regclass_map): Add MMX/SSE registers.
322	(print_operand): Add code to print XMMWORD as appropriate.
323	(ix86_split_movdi): Abort for MMX regs.
324	(init_cumulative_args): Also allow SSE_REGS
325	(function_arg_advance, function_arg): Likewise
326	(print_reg): Support 'm'.  Add case for TImode.
327	(override_options): TARGET_SSE implies TARGET_MMX.
328	(ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
329	New functions.
330
331	* config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
332	FIRST_SSE_REG.
333	* config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
334	memory.
335	* config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
336	* config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
337
3382000-06-26  Geoff Keating  <geoffk@cygnus.com>
339
340	* ssa.c (struct rename_set_data): Change the name of field
341	'set_dest' to 'old_reg'.  Add comments.
342	(struct rename_context): Change the name of 'set_data' to
343	'new_renames'.  Add new field 'done_renames'.
344	(create_delayed_rename): New function.
345	(apply_delayed_renames): New function.
346	(rename_insn_1): Use the new functions.  Handle CLOBBERS.  Handle
347	SUBREGs and similar by emitting a move.
348	(new_registers_for_updates): Delete, functionality moved to
349	apply_delayed_renames.
350	(rename_block): Handle moves emitted by rename_insn_1 by putting
351	them into a SEQUENCE with the original insn.  Add sanity checks
352	and comments.
353	(rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
354	(rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
355
3562000-06-26  Andrew Macleod <amacleod@cygnus.com>
357	    Jason Merrill <jason@redhat.com>
358
359	* dwarf2.h (enum dwarf_call_frame_info): Add
360	DW_CFA_def_cfa_expression.
361	* dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
362	dw_loc_descr_struct entry.
363	(struct cfa_loc): New structure to track a CFA location.
364	(lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
365	(lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
366	offset, plus handle DW_CFA_def_cfa_expression.
367	(def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
368	cfa_loc record.
369	(dwarf2out_def_cfa): Entry point maintained for compatibility.
370	(dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
371	(cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
372	(cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
373	(initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
374	cfa_reg.
375	(dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
376	sequences for the new DW_CFA_def_cfa_expression record.
377	(dwarf2out_frame_debug): Use new variables/fields.A
378	(output_cfi): Handle DW_CFA_def_cfa_expression.
379	(output_cfa_loc): New function to generate a CFI record for
380	DW_CFA_def_cfa_expression.
381	(get_cfa_from_loc_descr): New function to get a cfa_loc record from
382	a dw_loc_descr sequeunce.
383	(build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
384	(dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
385	size_of_locs, output_loc_operands, output_loc_sequence): Move into
386	unwind info section.
387	* frame.h (frame_state): Add base_offset and indirect fields.
388	* frame-dwarf2.c (decode_stack_op): New function to interpret a
389	dw_loc_descr operation.
390	(execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
391	(struct frame_state): Add base offset and indirect fields.
392	* libgcc2.c (next_stack_level): Support indirect loading for CFA.
393
3942000-06-26  Joseph S. Myers  <jsm28@cam.ac.uk>
395
396	* c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
397	Make warnings about implicit int be pedwarns in C99.  Don't warn
398	about duplicate type qualifiers in C99.
399	(start_function): Make warning about implict int return type be a
400	pedwarn in C99.
401	* c-lex.c (yylex): Don't warn about `long long' in C99.
402	* c-typeck.c (c_expand_return): In C99, always pedwarn about
403	`return' with no value in function returning non-void.
404
4052000-06-26  Richard Henderson  <rth@cygnus.com>
406
407	* c-typeck.c (pedwarn_c99): New.
408	* diagnostic.c (verror, vwarning, vpedwarn): Export.
409	* toplev.h: Prototype them.
410
4112000-06-26  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
412
413	* c-typeck.c (digest_init): Return error_mark_node node when
414	TREE_TYPE (init)  == error_mark_node.
415
4162000-06-26  Philipp Thomas  <pthomas@suse.de>
417
418	* aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
419	test for msgfmt without path instead.
420	* configure: Rebuilt.
421
4222000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
423
424	* gengenrtl.c (special_rtx): Fix typo in comment.
425
4262000-06-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
427
428	* mklibgcc.in (LIB2FUNCS): Add missing space.
429
4302000-06-24  Bernd Schmidt  <bernds@cygnus.co.uk>
431
432	* tree.h (enum tree_index): Add vector type nodes.
433	Add accessor macros for them.
434	(TYPE_REPRESENATION_TYPE): New macro.
435	* tree.c (build_common_tree_nodes_2): Build these nodes.
436	(finish_vector_type): New function.
437	* c-common.c (type_for_mode): Handle vector modes.
438	* tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
439
440	* dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
441	* dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
442	* dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
443	(gen_type_die): Likewise.
444	* dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
445	(fundamental_type_code): Likewise.
446	(type_is_fundamental): VECTOR_TYPEs aren't.
447	(output_type): Handle VECTOR_TYPEs.
448
4492000-06-25  Kazu Hirata  <kazu@hxi.com>
450
451	* config/arm.c: Fix a comment typo.
452	* config/arm.h: Likewise.
453
4542000-06-25  Philipp Thomas  <pthomas@suse.de>
455
456	* aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
457	compiler found.
458	AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
459	* configure: Rebuilt.
460
4612000-06-25  John David Anglin  <dave.anglin@nrc.ca>
462
463	* config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
464
4652000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
466
467	* mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
468	libgcc.a.
469
4702000-06-24  Marc Espie <espie@cvs.openbsd.org>
471
472	* collect2.c (resolve_lib_name): Move '/' check out of loop.
473
4742000-06-24  Dirk Duellmann  <Dirk.Duellmann@cern.ch>
475
476	* ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
477
4782000-06-24  Jakub Jelinek  <jakub@redhat.com>
479
480	* stmt.c (expand_decl_cleanup): Emit a dummy insn after
481	last_unconditional_cleanup.
482
4832000-06-24  Bernd Schmidt  <bernds@cygnus.co.uk>
484
485	* tree.def (VECTOR_TYPE): New node type.
486	* tree.h: Adjust some comments to reflect addition of vector types.
487	(TYPE_VECTOR_SUBPARTS): New macro.
488	* stor-layout.c (layout_type): Handle VECTOR_TYPE.
489	* c-convert.c (convert): Likewise.
490	* convert.c (convert_to_integer): Handle vector modes.
491	(convert_to_vector): New function.
492	* convert.h (convert_to_vector): Declare.
493	* expr.c (convert_move): Handle vector modes.
494	* expmed.c (extract_bit_field): Don't abort for vector modes.
495
4962000-06-24  Marek Michalkiewicz  <marekm@linux.org.pl>
497
498	* config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
499	* config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
500	New functions, common code moved from function_{prologue,epilogue}
501	and extended to support the -mtiny-stack option.
502	(function_prologue, function_epilogue): Use them.
503	Use lo8/hi8 consistently for asm output readability.
504	(avr_hard_regno_mode_ok): New function.
505	* config/avr/avr.h (TARGET_SWITCHES): Fix typo.  Add -mtiny-stack.
506	(UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
507	(HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
508	* config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
509	Write SPH before SPL.
510	(*movqi): No need to disable interrupts for just one "out"
511	in alternative 5.  Change length attribute from 4 to 1.
512	* config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
513	Write SPH before SPL.
514
5152000-06-24  Bernd Schmidt  <bernds@cygnus.co.uk>
516
517	* rtl.texi (Vector Operations): New node.
518	(Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
519	(Conversions): Add ss_truncate, us_truncate.
520	* rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
521	VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
522	US_TRUNCATE): New rtx codes.
523	* machmode.def: Add vector modes.
524	* machmode.h (enum mode_class): Add MODE_VECTOR_INT and
525	MODE_VECTOR_FLOAT.
526	(INTEGER_MODE_P): Check for MODE_VECTOR_INT.
527	(FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
528	(VECTOR_MODE_P): New.
529
5302000-06-24  Nathan Sidwell  <nathan@codesourcery.com>
531
532	* cpp.texi: Clarify #pragma GCC namespace.
533
5342000-06-24  Philipp Thomas  <pthomas@suse.de>
535
536	* aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
537	all catalogs specified in ALL_LINGUAS.
538	* configure: Rebuilt.
539
5402000-06-23  Jakub Jelinek  <jakub@redhat.com>
541
542	* config/sparc/sparc.md (reload_outdi+1): Handle
543	HOST_BITS_PER_WIDE_INT == 64 case correctly.
544	(adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
545
5462000-06-23  Geoffrey Keating  <geoffk@cygnus.com>
547
548	* alias.c (fixed_scalar_and_varying_struct_p): Don't examine
549	struct vs. scalar-ness when -fno-strict-aliasing.
550
5512000-06-23  Nathan Sidwell  <nathan@codesourcery.com>
552
553	* cpplib.c (struct pragma_entry): New structure.
554	(pragma_dispatch): Pragma dispatcher.
555	(top_pragmas, gcc_pragmas): New static variables.
556	(do_pragma): Use pragma_dispatch.
557	(do_pragma_gcc): New pragma handler.
558	* cpp.texi: Update.
559
5602000-06-23  Jakub Jelinek  <jakub@redhat.com>
561
562	* calls.c (compute_argument_addresses): Force stack slots into
563	alias set 0.
564	* expr.c (emit_push_insn): Force pushes into alias set 0.
565
5662000-06-23  Richard Henderson  <rth@cygnus.com>
567
568	* config/ia64/ia64.md (pred_rel_mutex): Only take one register.
569	* config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
570
5712000-06-22  Jason Merrill  <jason@redhat.com>
572
573	* toplev.c (compile_file): Always call timevar_print.
574	* Makefile.in (calls.o): Depend on TIMEVAR_H.
575
5762000-06-22  Nathan Sidwell  <nathan@codesourcery.com>
577
578	* varasm.c (constant_descriptor): Make contents unsigned char.
579	(mark_const_hash_entry): Adjust.
580	(const_hash): Just hash the code of unknown nodes.
581	(compare_constant_1): Adjust for unsigned char.
582	Use language specific expander on unknown nodes.
583	(record_constant_1): Likewise.
584
5852000-06-21  Zack Weinberg  <zack@wolery.cumb.org>
586
587	* cppfiles.c (cpp_make_system_header): New function.
588	* cpplib.h: Prototype it.
589	* cpplib.c (do_line, do_pragma_system_header): Use it.
590	* fix-header.c (read_scan_file): Use it.
591
592	* fix-header.c (check_macro_names): Cast second arg of
593	cpp_defined to const unsigned char *.
594	(read_scan_file): Make getchar_call const unsigned char.
595
5962000-06-21  Zack Weinberg  <zack@wolery.cumb.org>
597
598	* cppfiles.c: Include splay-tree.h, not hashtab.h.
599	(redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
600	(destroy_include_file_node): New.
601	(_cpp_init_include_hash): Rename _cpp_init_include_table.
602	Create a splay tree, not a hash table.
603	(open_include_file): Look up the path in the include table,
604	do the multiple include optimization here, etc.
605	(cpp_included): Walk the path.
606	(find_include_file): Just walk the path calling
607	open_include_file, or call it directly for an absolute path.
608	(_cpp_fake_ihash): Rename _cpp_fake_include and update for new
609	scheme.
610	(read_include_file): Update for new scheme.  Don't close the
611	file unless reading fails.
612	(_cpp_execute_include, cpp_read_file): Tweak for new scheme.
613
614	* cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
615	(struct include_file): New.
616	(NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
617	macros.
618	(CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
619	Update prototypes.
620
621	* cppinit.c: Include splay-tree.h.
622	(cpp_reader_init, cpp_cleanup): Update.
623
624	* cpplib.h (struct cpp_buffer): Change ihash field to
625	'struct include_file *inc'.  Remove system_header_p.
626	(struct cpp_reader): Change all_include_files to a
627	struct splay_tree_s *.
628
629	* cpplex.c: Update all references to cpp_buffer->ihash and/or
630	cpp_buffer->system_header_p.
631	(cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
632
633	* Makefile.in (SPLAY_TREE_H): New macro.
634	(cppfiles.o, cppinit.o): Update dependencies.
635
636Wed Jun 21 11:05:48 2000  Martin Buchholz <martin@xemacs.org>
637
638	* invoke.texi (g++): "g++" is not a script anymore.
639
6402000-06-20  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
641
642	* function.c (round_down): Delete obsolete prototype.
643
644	* pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
645
6462000-06-20  Zack Weinberg  <zack@wolery.cumb.org>
647
648	* configure.in: Use 'test a = b' not 'test a == b'.
649	* configure: Regen.
650
651	* Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
652
653	* Makefile.in: Remove all references to HOST_INTLLIBS.
654
655	* cpplex.c (parse_name): Don't warn about $ in identifiers if
656	skipping.
657
6582000-06-20  Philipp Thomas  <pthomas@suse.de>
659
660	* config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
661	for PA 2.0.
662
663Mon Jun 19 23:26:40 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
664
665	* Take REG_INC notes into account.
666
6672000-06-19  Zack Weinberg  <zack@wolery.cumb.org>
668
669	* c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
670	(primary: IDENTIFIER): Just call build_external_ref.
671	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
672	Regenerate.
673	* c-lex.c (lastiddecl): Remove.
674	(yylex): Replace all instances of lastiddecl with local
675	variables.
676
677	* c-typeck.c (build_external_ref): New function.  Treat decls
678	with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
679	Look up the decl from the id here.  Call lookup_objc_ivar.
680	* c-lang.c (lookup_objc_ivar): Stub.
681	* objc/objc-act.c (lookup_objc_ivar): New function.
682
683	* c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
684	* c-lex.h: Don't declare lastiddecl.
685
6862000-06-19  Benjamin Chelf  <chelf@codesourcery.com>
687
688	* c-common.h (IF_COND): Added documentation.
689	(THEN_CLAUSE): Likewise.
690	(ELSE_CLAUSE): Likewise.
691	(WHILE_COND): Likewise.
692	(WHILE_BODY): Likewise.
693	(DO_COND): Likewise.
694	(DO_BODY): Likewise.
695	(RETURN_EXPR): Likewise.
696	(EXPR_STMT_EXPR): Likewise.
697	(FOR_INIT_STMT): Likewise.
698	(FOR_COND): Likewise.
699	(FOR_EXPR): Likewise.
700	(FOR_BODY): Likewise.
701	(SWITCH_COND): Likewise.
702	(SWITCH_BODY): Likewise.
703	(CASE_LOW): Likewise.
704	(CASE_HIGH): Likewise.
705	(GOTO_DESTINATION): Likewise.
706	(COMPOUND_BODY): Likewise.
707	(ASM_CV_QUAL): Likewise.
708	(ASM_STRING): Likewise.
709	(ASM_OUTPUTS): Likewise.
710	(ASM_INPUTS): Likewise.
711	(ASM_CLOBBERS): Likewise.
712	(DECL_STMT_DECL): Likewise.
713	(STMT_EXPR_STMT): Likewise.
714	(LABEL_STMT_LABEL): Likewise.
715
716	* c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
717	COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
718	RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
719	LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
720
7212000-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
722
723	* configure.in (--enable-checking): Update --help doc to reflect
724	new defaults.  Ensure $ac_save_IFS is set before $IFS is changed.
725
726Sun Jun 18 21:42:15 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
727
728	* gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
729
730	* function.c (put_var_into_stack): Don't reference DECL_ fields
731	if input is a SAVE_EXPR.
732	Use set_mem_attributes in COMPLEX case.
733
7342000-06-18  Richard Henderson  <rth@cygnus.com>
735
736	* config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
737	(ia64_file_start): Declare.
738	* config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
739	(GR_REGNO_P): Likewise.
740	* config/ia64/ia64.c: Many prototypes.
741	(ia64_reg_numbers): Constify.
742	(ia64_input_reg_names, ia64_local_reg_names): Likewise.
743	(ia64_section_threshold): Make unsigned.
744	(ia64_print_operand): Constify.
745	(fix_range): Constify.
746	(ia64_init_builtins): Don't compare signed vs unsigned.
747	(ia64_expand_builtin): Likewise.
748
749	* config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
750	(CONSTRAINT_OK_FOR_Q): New.
751	* config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
752	(movsf_internal, movdf_internal): Likewise.
753	(cmovdi_internal): Rewrite so that constraints and predicates match;
754	simplify splitters.
755	(cmovsi_internal): Likewise.
756
757	* config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
758	(ASM_FILE_START): New.
759	* config/ia64/ia64.c (ia64_file_start): New.
760	(rtx_needs_barrier): Handle pred.rel.mutex.
761	(emit_predicate_relation_info): New.
762	* config/ia64/ia64.md (pred_rel_mutex): New.
763	* config/ia64/linux.h (ASM_SPEC): Define.
764	* config/ia64/sysv4.h (ASM_FILE_START): Define.
765
766	* config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
767	filtering global register variables.
768
7692000-06-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
770
771	* c-common.c (add_c_tree_codes): Fix definition for traditional C.
772
7732000-06-17  Michael Meissner  <meissner@redhat.com>
774
775	* gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
776	not present and there is a field after a '-'.
777
7782000-06-17  Bruce Korb  <bkorb@gnu.org>
779
780	* fixinc/check.tpl:  finish the implementation of multiple tests
781	for a single fix
782	* fixinc/inclhack.def(ctrl_quotes_def): add a second test
783	(io_quotes_def): add a second test
784	(various): reorder `files' so that "limits.h" is never first
785	* fixinc/tests/base/*: update the testing output
786
787Sat Jun 17 10:33:59 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
788
789	* gcc.texi: Remove reference to stupid.c.
790
7912000-06-16  Benjamin Chelf  <chelf@codesourcery.com>
792
793	* c-common.c (c_tree_code_type): New array.
794	(c_tree_code_length): Likewise.
795	(c_tree_code_name): Likewise.
796	(add_c_tree_codes): New function.
797
798	* c-common.h (add_c_tree_codes): Declare.
799	(enum c_tree_code): New enum.
800
801	* c-lex.c (init_parse): Added call to add_c_tree_codes.
802
8032000-06-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
804
805	* fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
806	select pattern to also match macro defs with only one argument.
807
808Thu Jun 15 18:56:12 2000  Jeffrey A Law  (law@cygnus.com)
809
810	* i386.md: Create new [right,left] rotate and right shift
811	patterns to optimize shift by 1 bit for certain ia32 processors.
812	Update patterns which perform left shifts to optimize shift by
813	1 bit for certain ia32 processors.
814	* i386.c (const_int_1_operand): New predicate.
815	* i386.h (PREDICATE_CODES): Handle const_int_1_operand.
816	* i386-protos.h (const_int_1_operand): Prototype.
817
818Wed Jun 14 23:46:26 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
819
820	* mips.c (machine_dependent_reorg): Fix braces for nested if.
821
8222000-06-14  Geoff Keating  <geoffk@cygnus.com>
823
824	* rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
825	LABEL_REFs.
826
8272000-06-14  Richard Henderson  <rth@cygnus.com>
828
829	* conflict.c (conflict_graph_compute): Don't look for REG_INC.
830
831	* config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
832	auto-inc code.
833
834	* print-rtl.c (print_rtx): Emit space before mem alias set.
835
8362000-06-14  David Edelsohn  <edelsohn@gnu.org>
837
838	* rs6000.c (expand_block_move): Fix typo in earlier change.
839	(print_operand): Remove unused variables neg and op.
840	(toc_hash_mark_entry): Fix prototype.
841
8422000-06-14  Benjamin Chelf  <chelf@codesourcery.com>
843
844	* c-common.h (IF_COND): Moved here from cp/cp-tree.h.
845	(THEN_CLAUSE): Likewise.
846	(ELSE_CLAUSE): Likewise.
847	(WHILE_COND): Likewise.
848	(WHILE_BODY): Likewise.
849	(DO_COND): Likewise.
850	(DO_BODY): Likewise.
851	(RETURN_EXPR): Likewise.
852	(EXPR_STMT_EXPR): Likewise.
853	(FOR_INIT_STMT): Likewise.
854	(FOR_COND): Likewise.
855	(FOR_EXPR): Likewise.
856	(FOR_BODY): Likewise.
857	(SWITCH_COND): Likewise.
858	(SWITCH_BODY): Likewise.
859	(CASE_LOW): Likewise.
860	(CASE_HIGH): Likewise.
861	(GOTO_DESTINATION): Likewise.
862	(COMPOUND_BODY): Likewise.
863	(ASM_CV_QUAL): Likewise.
864	(ASM_STRING): Likewise.
865	(ASM_OUTPUTS): Likewise.
866	(ASM_INPUTS): Likewise.
867	(ASM_CLOBBERS): Likewise.
868	(DECL_STMT_DECL): Likewise.
869	(STMT_EXPR_STMT): Likewise.
870	(LABEL_STMT_LABEL): Likewise.
871	(SCOPE_BEGIN_P): Likewise.
872	(SCOPE_END_P): Likewise.
873	(SCOPE_STMT_BLOCK): Likewise.
874	(SCOPE_NULLIFIED_P): Likewise.
875	(SCOPE_NO_CLEANUPS_P): Likewise.
876	(SCOPE_PARTIAL_P): Likewise.
877	(ASM_VOLATILE_P): Likewise.
878	(STMT_LINENO): Likewise.
879	(STMT_LINENO_FOR_FN_P): Likewise.
880
881	* c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
882	ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
883	FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
884	CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
885	SCOPE_STMT, CASE_LABEL, STMT_EXPR.
886
887	* gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
888
8892000-06-14  David O'Brien  <obrien@FreeBSD.org>
890
891	* gcc.c (main): Quiet compiler warnings.  argv is assumed to be
892	writable in parts of the GCC code.
893
894	* config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
895	specification match cast.
896
897Wed Jun 14 09:25:57 2000  Jeffrey A Law  (law@cygnus.com)
898
899	* configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
900	* configure, config.in: Rebuilt.
901	* sys-protos.h: Similarly.
902
903Wed Jun 14 03:39:58 EDT 2000  John Wehle  (john@feith.com)
904
905	* ifcvt.c (EDGE_COMPLEX): Move definition ...
906	* basic-block.h (EDGE_COMPLEX): ... here.
907
908	* loop.c (check_dbra_loop): Specify the register when
909	generating REG_NONNEG notes and don't generate duplicates.
910
9112000-06-13  Jakub Jelinek  <jakub@redhat.com>
912
913	* tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
914	(struct tree_type, struct tree_decl): Add user_align member.
915	* stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
916	(place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
917	and DECL_USER_ALIGN 0, cap alignment to this value.
918	(place_field): Likewise.
919	(finalize_type_size): Set TYPE_USER_ALIGN.
920	(layout_type): Likewise.
921	(initialize_sizetypes): Likewise.
922	* c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
923	DECL_USER_ALIGN to 1.
924	* c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
925	(xfer_tag): Set TYPE_USER_ALIGN.
926	(finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
927	(finish_enum): Likewise.
928	* stmt.c (expand_decl): Set DECL_USER_ALIGN.
929	(expand_anon_union_decl): Likewise.
930	* tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
931	(build_index_type): Set TYPE_USER_ALIGN.
932	(build_range_type): Likewise.
933	(build_common_tree_nodes_2): Likewise.
934	* tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
935
9362000-06-13  Andreas Jaeger  <aj@suse.de>
937
938	* configure.in: Use --enable-checking=misc,tree,gc by default if
939	no --enable-checking option is given and for
940	--enable-checking=yes.
941	* configure: Rebuilt.
942
9432000-06-13  Richard Henderson  <rth@cygnus.com>
944
945	* libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
946	(__throw): Don't pass the address of a label.
947
948	* config/ia64/ia64.c (ia64_compute_frame_size): Use
949	current_function_is_leaf.
950	(ia64_expand_prologue): Likewise.  Modify return_address_pointer_rtx
951	instead of reg_names[RETURN_ADDRESS_REGNUM].
952	(ia64_init_machine_status): Reset return_address_pointer_rtx.
953	* config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
954	from RETURN_ADDRESS_REGNUM.  Update all uses.
955	(RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
956	zero instead of null on failure.
957	(ELIMINABLE_REGS): Add ra->b0 elimination.
958	(CAN_ELIMINATE): Update accordingly.
959	(INITIAL_ELIMINATION_OFFSET): Likewise.
960	(REGISTER_NAMES): Use an illegal assembler name for
961	RETURN_ADDRESS_POINTER_REGNUM.
962
9632000-06-13  Richard Henderson  <rth@cygnus.com>
964
965	* config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
966	GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
967	(REG_CLASS_NAMES): Likewise.
968	(REG_CLASS_CONTENTS): Likewise.
969	(FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
970	(HARD_REGNO_MODE_OK): Remove references to them.
971	(REGNO_REG_CLASS): Likewise.
972	(REG_CLASS_FROM_LETTER): Likewise.
973	(CLASS_MAX_NREGS): Likewise.
974	(REGISTER_MOVE_COST): Likewise.
975	* config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
976	* config/ia64/ia64.md (*): Replace "e" constraints with "f".
977	(movqi_internal): Special case moves from zero.
978	(movhi_internal, movsi_internal): Likewise.
979	(movdi_internal): Likewise.  Fill out "f" constraints.
980	(movsf_internal): Fill out "r" constraints.
981	(movdf_internal): Likewise.
982
9832000-06-13  Richard Henderson  <rth@cygnus.com>
984
985	* flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
986	alive before reload.
987
988	* haifa-sched.c (struct deps): Add in_post_call_group_p.
989	(add_dependence): Handle notes between SCHED_GROUP_P insns.
990	(remove_dependence): Always define.
991	(set_sched_group_p): New.
992	(sched_analyze_2): Use it.
993	(sched_analyze_insn): Don't special-case naked uses.  Look for
994	and extend in_post_call_group_p.
995	(sched_analyze): Clear stale SCHED_GROUP_P.  Set in_post_call_group_p.
996	(init_deps): Clear in_post_call_group_p.
997
9982000-06-13  Richard Henderson  <rth@cygnus.com>
999
1000	* combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
1001	CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
1002	and hard-coded tests.
1003	(simplify_set): Likewise.
1004	(gen_lowpart_for_combine): Likewise.
1005	* emit-rtl.c (gen_lowpart_common): Likewise.
1006	* global.c (find_reg): Likewise.
1007	* local-alloc.c (find_free_reg): Likewise.
1008	* recog.c (register_operand): Likewise.
1009	* regclass.c (init_reg_sets_1): Likewise.
1010	(record_operand_costs, regclass): Likewise.
1011	* reload.c (push_reload): Likewise.
1012	* reload1.c (choose_reload_regs): Likewise.
1013	* flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
1014	* local-alloc.c (struct qty): Rename changes_size to changes_mode.
1015	Update all references.
1016	* regs.h (struct reg_info_def): Likewise.
1017	(REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
1018	* tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
1019	(CLASS_CANNOT_CHANGE_MODE_P): Likewise.
1020
1021	* config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
1022	(CLASS_CANNOT_CHANGE_MODE_P): New.
1023	* config/mips/mips.h: Likewise.
1024	* config/pa/pa32-regs.h: Likewise.
1025	* config/pa/pa64-regs.h: Likewise.
1026	* config/rs6000/rs6000.h: Likewise.
1027	* config/sh/sh.h: Likewise.
1028	* config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
1029	(CLASS_CANNOT_CHANGE_MODE_P): New.
1030	* config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
1031	* config/d30v/d30v.h: Likewise.
1032
10332000-06-13  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
1034
1035	* configure.in: Add AC_TYPE_GETGROUPS test.
1036	* sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
1037	* configure: Rebuilt.
1038	* config.in: Rebuilt.
1039
10402000-06-13  Richard Henderson  <rth@cygnus.com>
1041
1042	* explow.c (set_mem_attributes): Do nothing for NULL type.
1043
1044Tue Jun 13 14:45:10 2000  Jeffrey A Law  (law@cygnus.com)
1045
1046	* config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
1047	correctly.
1048
10492000-06-13  James E. Wilson  <wilson@cygnus.com>
1050
1051	* config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
1052
1053Tue Jun 13 14:05:35 2000  Jeffrey A Law  (law@cygnus.com)
1054
1055	* Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
1056
10572000-06-13  Philipp Thomas  <pthomas@suse.de>
1058
1059	* configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
1060	* configure: Rebuilt.
1061
10622000-06-07  David O'Brien  <obrien@FreeBSD.org>
1063
1064	* configure.in:  Adjust FreeBSD bits to match changes to config.guess.
1065	We now default to ELF for the i386, and a.out is the special case.
1066	* configure:  Rebuilt.
1067
1068Tue Jun 13 10:05:30 2000  Hans-Peter Nilsson  <hp@axis.com>
1069
1070	* final.c (final_scan_insn): Delete notes between cc0 setter and
1071	user when restarting from setter.
1072
10732000-06-13  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
1074
1075	* vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
1076	cast to squelch signed/unsigned warnings.
1077
10782000-06-13  Zack Weinberg  <zack@wolery.cumb.org>
1079
1080	* cpplib.c (handle_directive): Print non-NUL-terminated string
1081	with %.*s.
1082
10832000-06-12  Michael Meissner  <meissner@redhat.com>
1084
1085	* ifcvt.c (dead_or_predicable): Don't do conditional execution
1086	path if the machine needs extra support to do conditional
1087	execution.
1088
1089Mon Jun 12 17:04:17 2000  Jeffrey A Law  (law@cygnus.com)
1090
1091	* print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
1092	to print the alias set.
1093	* print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
1094
10952000-06-12  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
1096
1097	* config/float-vax.h: Add GFLOAT defines.
1098
1099Mon Jun  12  9:44:00 2000  Mark Klein  <mklein@dis.com>
1100
1101	* configure.in: Update tm dependencies for MPE.
1102	* configure: Rebuilt.
1103
11042000-06-12  H.J. Lu  <hjl@gnu.org>
1105
1106	* gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
1107
11082000-06-12  David Edelsohn  <edelsohn@gnu.org>
1109
1110	* aix41.h (SUBTARGET_SWITCHES): Delete threads.
1111	(CPP_SPEC): Change mthreads to pthread.
1112	(LIB_SPEC): Likewise.
1113	(STARTFILE_SPEC): Likewise.
1114	* aix43.h (SUBTARGET_SWITCHES): Delete threads.
1115	(CPP_SPEC): Change mthreads to pthread.
1116	(LIB_SPEC): Likewise.
1117	(STARTFILE_SPEC): Likewise.
1118	* rs6000-protos.h (reg_or_arith_cint_operand): New.
1119	* rs6000.c (reg_or_arith_cint_operand): New.
1120	(num_insns_constant_wide): Decorate unsigned constant.
1121	* rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
1122	* rs6000.md (addsi3): Use new predicate.
1123	(subsi3, adddi3, subdi3): Likewise.
1124
11252000-06-12  Mark Mitchell  <mark@codesourcery.com>
1126
1127	* c-common.c (lang_get_alias_set): Fix typo.
1128
11292000-06-12  Richard Earnshaw <rearnsha@arm.com>
1130
1131	* flow.c (mark_used_regs): Revert last change.
1132	(life_analysis): Remove PROP_AUTOINC if running after reload.
1133	(propagate_one_insn): PROP_AUTOINC is always off after reload.
1134
11352000-06-11  Richard Earnshaw <rearnsha@arm.com>
1136
1137	* flow.c (mark_used_regs): Don't call find_auto_inc after reload
1138	has run.
1139
11402000-06-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1141
1142	* bb-reorder.c (build_scope_forest): Initialize variable
1143	`curr_scope'.
1144
1145	* calls.c (expand_call): Likewise for variables
1146	`save_pending_stack_adjust' and `save_stack_pointer_delta'.
1147
1148	* i386.c (function_arg_advance, function_arg): Cast to avoid
1149	signed/unsigned warnings.
1150
1151	* i386.h (MEMORY_MOVE_COST): Likewise.
1152
1153	* ifcvt.c (cond_exec_process_if_block): Initialize variables
1154	`else_start' and `else_end'.
1155
1156	* libgcc2.h (__eh_alloc, __eh_free): Prototype.
1157
1158	* regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
1159
11602000-06-10  Mark Mitchell  <mark@codesourcery.com>
1161
1162	* Makefile.in (libintl.a): Depend on intl.all.
1163
11642000-06-09  H.J. Lu  (hjl@gnu.org)
1165
1166	* Makefile.in (c-parse.o): Also depend on output.h.
1167
11682000-06-09  Rodney Brown  <RodneyBrown@mynd.com>
1169
1170	* mcore-protos.h: discards const warning removal.
1171	* mcore.c: discards const warning removal.
1172
11732000-06-09  Kazu Hirata  <kazu@hxi.com>
1174
1175	* config/h8300/lib1funcs.asm: Declare the machine architecture at
1176	the beginning of the file.
1177
11782000-06-09  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
1179
1180	* real.h:  Add prototype for ldexp.
1181
11822000-06-09  Zack Weinberg  <zack@wolery.cumb.org>
1183
1184	* ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
1185	it ggc_alloc, drop second argument, never clear returned memory.
1186	* ggc-common.c (ggc_alloc_string): Use ggc_alloc.
1187	(ggc_alloc_cleared): New.
1188	* ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
1189	ggc_alloc_obj.  Remove ggc_alloc macro.
1190	(ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
1191
1192	* rtl.c (rtvec_alloc): Clear the vector always.
1193	(rtx_alloc): Clear the first word always.  Remove dirty
1194	obstack tricks (this routine is no longer a bottleneck).
1195	* tree.c (make_node): Clear the new node always.
1196	(make_tree_vec): Likewise.
1197	(tree_cons): Clear the common structure always.
1198	(build1): Likewise; also, clear TREE_COMPLEXITY.
1199	* gengenrtl.c: Use puts wherever possible.  Remove extra
1200	newlines.
1201	(gendef): Clear the first word of an RTX in the generator
1202	function, irrespective of ggc_p.  Initialize '0' slots to
1203	NULL.
1204	(genlegend): Don't generate obstack_alloc_rtx routine, just a
1205	thin wrapper macro around obstack_alloc.
1206
1207	* stmt.c (expand_fixup): Use ggc_alloc.
1208	* c-typeck.c (add_pending_init): Use ggc_alloc.
1209	* emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
1210	* varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
1211	const0_rtx when it is created.
1212	(immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
1213	we are not in a function.
1214
1215	* tree.c (tree_class_check_failed): Make second arg an int.
1216	* tree.h: Update prototype.
1217
12182000-06-09  Geoff Keating  <geoffk@cygnus.com>
1219
1220	* tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
1221	of an error_mark_node.
1222
1223Fri Jun  9 20:35:13 2000  Denis Chertykov  <denisc@overta.ru>
1224
1225	* config/avr/avr.c (asm_output_section_name): bugfix.
1226
12272000-06-09  Jason Merrill  <jason@casey.soma.redhat.com>
1228
1229	* timevar.def: Add TV_EXPAND.
1230	* timevar.c (timevar_print): Update timing information.
1231	* calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
1232
1233	* stmt.c (expand_return): Check for error_mark_node.
1234
12352000-06-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1236
1237	* configure.in: Also avoid wrapping auto-build.h with IN_GCC.
1238
1239	* scan-types.sh (VALUE) Wrap use with double quotes to protect
1240	variable against filename expansion when it contains "char *".
1241
1242	* system.h (SSIZE_MAX): Delete backup definition.
1243
1244	* cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
1245	instead of SSIZE_MAX.
1246
12472000-06-09  Jakub Jelinek  <jakub@redhat.com>
1248
1249	* configure.in: Check whether gas supports -relax.
1250	* configure, config.in: Rebuilt.
1251	* config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
1252	(EXTRA_SPECS): Add asm_relax.
1253	(ASM_SPEC): Add %(asm_relax).
1254	(TARGET_SWITCHES): Add -mrelax and -mno-relax.
1255	* config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
1256	(LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
1257	(ASM_SPEC): Add %(asm_relax).
1258	* config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
1259	* config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
1260	never use sethi/jmpl for leaf tail calls.  Use or with rs2 %g0
1261	instead of mov, so that gas can further optimize it.
1262
12632000-06-08  James E. Wilson  <wilson@bletchleypark.cygnus.com>
1264
1265	* dwarf2out.c (size_of_die, case dw_val_class_const): Use
1266	size_of_sleb128.
1267	(value_format, case dw_val_class_const): Use sdata format.
1268	(output_die): Call output_sleb128.
1269
12702000-06-08  James E. Wilson  <wilson@cygnus.com>
1271
1272	* dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
1273	UNALIGNED_DOUBLE_INT_ASM_OP.  Rename old macro to
1274	ASM_OUTPUT_DWARF_CONST_DOUBLE.
1275	(output_die, case dw_val_class_unsigned_const): Correct call to
1276	ASM_OUTPUT_DWARF_DATA8.
1277	(output_die, case dw_val_class_long_long): Use
1278	ASM_OUTPUT_DWARF_CONST_DOUBLE.
1279	* tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
1280	pos is zero.
1281
1282	* config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
1283	(output_function_prologue): Fix mispelling.
1284	(output_function_prologue, output_function_epilogue): Reorder to
1285	match ia64.c definition order.
1286	* config/ia64/ia64.c (ia64_expand_prologue): Add comment.
1287	(ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
1288	Use r3 instead of r2 for large stack restores.
1289	(ia64_output_end_prologue): New function.
1290	(process_set): Emit ".restore sp" for epilogue stack restores.
1291	* config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
1292
12932000-06-08  Jakub Jelinek  <jakub@redhat.com>
1294
1295	* dbxout.c (dbxout_type_fields): Don't segfault on fields with
1296	incomplete types.
1297
12982000-06-08  Nathan Sidwell  <nathan@codesourcery.com>
1299
1300	* frame.c (end_fde_sort): Remove extraneous erratic array test.
1301
13022000-06-08  Denis Perchine <dyp@perchine.com>
1303
1304	* frame.c (start_fde_sort): Don't malloc (0).
1305
13062000-06-07  Zack Weinberg  <zack@wolery.cumb.org>
1307
1308	* c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
1309	error_mark_node.
1310	* print-tree.c (print_node): The transparent_union_flag means
1311	different things for unions and arrays.  Do not inspect it
1312	with TYPE_TRANSPARENT_UNION.
1313
13142000-06-06  Jakub Jelinek  <jakub@redhat.com>
1315
1316	* cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
1317	returned NULL.
1318
1319Wed Jun  7 20:34:33 2000  Denis Chertykov  <denisc@overta.ru>
1320
1321	* config/avr/avr.c (asm_output_section_name): output section
1322	attributes.
1323	* config/avr/libgcc.S (.text.libgcc): declare section attributes.
1324
13252000-06-06  James E. Wilson  <wilson@cygnus.com>
1326
1327	* frame.h (struct unwind_info_ptr): Collapse version, flags, and length
1328	fields into header field.
1329	(IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
1330	macros to access length, flags, and version info from header field.
1331	* config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
1332	* config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
1333	(__do_global_ctors_aux): Fix caller.
1334	* config/ia64/frame-ia64.c (get_unwind_record): Change parameter
1335	prologue_flag to header.  Pass to read_P_record.
1336	(read_P_record): New argument header.  Implement P4 format.
1337	Multiply P7_T_SIZE by 16.
1338	(execute_one_ia64_descriptor): New static local region_header.  Pass to
1339	get_unwind_record.  Copy r to region_header if r is a header record.
1340	(print_all_records): Likewise.
1341	(__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
1342	(__get_personality, __get_except_table): Likewise.
1343	* config/ia64/ia64.c (process_set): Do not divide offsets by 4.
1344
13452000-06-06  Philipp Thomas  <pthomas@suse.de>
1346
1347	* configure.in (AC_C_INLINE): Added.
1348	* aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
1349	* configure: Regenerate.
1350
13512000-06-06  Mark Mitchell  <mark@codesourcery.com>
1352
1353	* c-common.h (c_language_kind): New type.
1354	(c_language): New variab.e
1355	* c-common.c (lang_get_alias_set): Don't put structures in
1356	nonzero alias sets in C++.
1357	* c-decl.c (c_language): Define it.
1358	* c-lex.c (doing_objc_thang): Remove.
1359	* c-tree.h (doing_objc_thang): Make it a macro.
1360	* objc/objc-act.c (lang_decode_option): Set c_language, not
1361	doing_objc_thang.
1362
13632000-06-06  Gabriel Dos Reis  <gdr@codesourcery.com>
1364
1365	* diagnostic.c (output_maximum_width): Remove.
1366	(doing_line_wrapping): Tweak.
1367	(diagnostic_buffer): New object.
1368	(global_output_buffer): New object.
1369	(output_destroy_prefix): New function.
1370	(default_initialize_buffer): Likewise.
1371	(reshape_diagnostic_buffer): Likewise.
1372	(initialize_diagnostics): Likewise.
1373	(output_clear): Tweak.
1374	(line_wrapper_printf): Adjust call to init_output_buffer.
1375	(vline_wrapper_message_with_location): Likewise.  Use
1376	output_destroy_prefix.
1377	(v_message_with_decl): Likewise.
1378
1379	* diagnostic.h (struct output_buffer): Constify prefix.
1380	(init_output_buffer, output_get_prefix): Constify.
1381	(diagnostic_message_length_per_line): Likewise.
1382	(reshape_diagnostic_buffer): Declare.
1383	(default_initialize_buffer): Declare.
1384	(initialize_diagnostics): Declare.
1385	(diagnostic_buffer): Declare new obbject.
1386
1387	* toplev.c: #include diagnostic.h
1388	(display_help): Document diagnostic formatting options.
1389	(decode_f_option): Handle diagnostic formatting options.
1390	(main): Setup initialization for diagnostic messages outputter.
1391
1392	* toplev.h (set_message_length): Remove.
1393
1394	* Makefile.in (toplev.o): Depends upon diagnostic.h
1395
1396	* invoke.texi : Document diagnostics formatting options.
1397
1398Tue Jun  6 19:25:32 2000  Philippe De Muyter  <phdm@macqel.be>
1399
1400	* configure.in (Make the links): Typo fix : the file that must be
1401	included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1402	* configure: File rebuilt.
1403
14042000-06-06  Nathan Sidwell  <nathan@codesourcery.com>
1405
1406	* eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1407	(eh_context): Add alloc_mask and alloc_buffer emergency fallback
1408	space.
1409	* libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1410	emergency eh_context buffer, if malloc fails.
1411	(__eh_free): Moved from cp/exception.cc. Release to emergency
1412	eh_context buffer, if appropriate.
1413
14142000-06-06  Jason Merrill  <jason@casey.soma.redhat.com>
1415
1416	* expr.c (store_expr): Fix typo.
1417
14182000-06-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1419
1420	* m68k.c (legitimize_pic_address): Move prototype ...
1421
1422	* m68k-protos.h (legitimize_pic_address): ... here.
1423
1424	* m68k.md (legitimize_pic_address): Delete prototypes.
1425	(untyped_call): Invoke GEN_CALL(), not gen_call().
1426
1427	* nextstep.c: Include system.h and toplev.h.
1428	(get_directive_line): Don't prototype.
1429	(handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1430
1431	* nextstep.h (handle_pragma): Prototype.
1432	(SECTION_FUNCTION): Prototype FUNCTION().  Move prototype of
1433	objc_section_init ...
1434	(EXTRA_SECTION_FUNCTIONS): ... here.
1435
1436Tue Jun  6 08:17:26 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1437
1438	* sdbout.c (struct sdb_file): NAME now const.
1439	(sdbout_init): input_file_name now const.
1440	(sdbout_start_new_source_file): FILENAME now const.
1441	* sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1442
14432000-06-06  Gabriel Dos Reis  <gdr@codesourcery.com>
1444
1445	* c-typeck.c (build_conditional_expr): Handle complex data types.
1446
14472000-06-05  Jason Merrill  <jason@casey.soma.redhat.com>
1448
1449	* explow.c (maybe_set_unchanging): New function, broken out from...
1450	(set_mem_attributes): Here.
1451	* expr.h: Declare it.
1452	* stmt.c (expand_decl): Call it.
1453
14542000-06-05  Richard Henderson  <rth@cygnus.com>
1455
1456	* reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1457	while looking for a register to inherit from.
1458
14592000-06-05  Jason Merrill  <jason@casey.soma.redhat.com>
1460
1461	* Makefile.in (libgcc.ready): Lose.
1462	(libgcc.mk): Just use mv, not move-if-change.
1463	(LIBGCC_DEPS): New macro.
1464	(libgcc.a): Use it.
1465	(stmp-multilib): Likewise.
1466	* mklibgcc.in (stmp-dirs): New target.  Make everything depend on
1467	it rather than the directories themselves.
1468	(LIB2ADD): Depend on the list file rather than 'force'.
1469
1470	* fold-const.c (fold, case COND_EXPR): Elide conversion between
1471	cv-qualified versions of types.
1472
1473Mon Jun  5 14:06:18 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1474
1475	* config/sparc/sparc.c (short_branch): Correct error in range
1476	computation.
1477
14782000-06-05  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
1479
1480	* fixinc/inclhack.def: New include hacks for ultrix.
1481	* (nested_ultrix): Replaced by ultrix_nested_svc.
1482	* (ultrix_atof_param): test_text string added.
1483	* (ultrix_ifdef): Modified select string.
1484
14852000-06-05  Zack Weinberg  <zack@wolery.cumb.org>
1486
1487	* objc/objc-act.c (generate_method_descriptors): Register
1488	objc_method_prototype_template as a GC root.
1489	(comp_method_with_proto): Register function_type as a GC root.
1490	(comp_proto_with_proto): Replace function_type1 and
1491	function_type2 with a two-element array; register it as a GC root.
1492
1493	(generate_protocols, build_protocol_initializer,
1494	generate_protocol_list, build_category_initializer,
1495	build_shared_structure_initializer): Do not cache cast_type
1496	and/or cast_type2.
1497
14982000-06-05  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
1499
1500	* function.c (assign_parms): Add missing argument to set_mem_attributes
1501	call.
1502
15032000-06-05  Nathan Sidwell  <nathan@codesourcery.com>
1504
1505	* tree.h (VOID_TYPE_P): New macro.
1506	(COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1507	* c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1508	(get_parm_info): Likewise.
1509	(store_parm_decls): Likewise.
1510	(combine_parm_decls): Likewise.
1511	(finish_function): Likewise.
1512	* c-typeck.c (build_function_call): Likewise.
1513	(build_binary_op): Likewise.
1514	(build_conditional_expr): Likewise.
1515	(internal_build_compound_expr): Likewise.
1516	(convert_for_assignment): Likewise.
1517	* stmt.c (expend_expr_stmt): Likewise.
1518	(warn_if_unused_value): Likewise.
1519	(expand_return): Likewise.
1520	* c-parse.in (primary): Likewise.
1521	* c-parse.y, c-parse.c, c-parse.h: Regenerate.
1522	* objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1523
1524Mon Jun  5 06:46:28 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1525
1526	* alias.c (get_alias_set): If compnent is addressable, use alias
1527	set of component.
1528	* c-decl.c (init_decl_processing): Don't call record_component_aliases.
1529	(grokdeclarator): Likewise.
1530	* c-typeck.c (common_type): Likewise.
1531
15322000-06-04  Alex Samuel  <samuel@codesourcery.com>
1533
1534	* Makefile.in (OBJS): Remove dyn_string.o
1535	(dyn-string.o): Delete rule.
1536	* dyn-string.c: Delete file
1537	* dyn-string.h: Likewise.
1538
15392000-06-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1540
1541	* Makefile.in (intl.*): Honor nonzero exit codes in the intl
1542	subdir.
1543
15442000-06-03  Geoff Keating  <geoffk@cygnus.com>
1545
1546	* alias.c (record_component_aliases): Don't inspect
1547	DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
1548
1549Sat Jun  3 19:05:30 2000  Michael Meissner  <meissner@redhat.com>
1550
1551	* ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
1552	it with the pattern to do machine dependent work.
1553	(cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
1554	use it to modify the true/false tests used in conditional
1555	execution.  If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
1556	defined, invoke them if the conversion to conditional execution
1557	was successful or not.
1558
1559	* tm.texi (IFCVT_MODIFY_TESTS): Document.
1560	(IFCVT_MODIFY_INSN): Ditto.
1561	(IFCVT_MODIFY_FINAL): Ditto.
1562	(IFCVT_MODIFY_CANCEL): Ditto.
1563
1564Sat Jun  3 15:26:13 2000  Matt Kraai <kraai@alumni.carnegiemellon.edu>
1565
1566	* toplev.c (main): Fix misspellings of possibility and language.
1567
15682000-06-03  Richard Henderson  <rth@cygnus.com>
1569
1570	* alias.c (record_alias_subset): Initialize has_zero_child in the
1571	superset.
1572
15732000-06-03  Richard Earnshaw (rearnsha@arm.com)
1574
1575	* arm.md (untyped_call): Use GEN_CALL macro.
1576
15772000-06-02  Pekka Nikander  <pnr@teldanex.tcm.hut.fi>
1578
1579	* Makefile.in: Use $(MAKE) not "make"
1580
1581Fri Jun  2 19:31:03 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1582
1583	* alias.c (struct alias_set_entry): New field has_zero_child.
1584	(mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
1585	(get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
1586	do nothing.
1587	Call record_component_aliases for aggregate types.
1588	(record_alias_subset): Set has_zero_child.
1589	(record_component_aliases, case ARRAY_TYPE): Do nothing if
1590	TYPE_NONALIASES_COMPONENT.
1591	(record_component_aliases, case RECORD_TYPE): Test
1592	DECL_NONADDRESSABLE_P.
1593	* c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
1594	of TREE_ADDRESSABLE.
1595	* calls.c (initialize_argument_information): Only test
1596	TYPE_TRANSPARENT_UNION for UNION_TYPE.
1597	* function.c (assign_parms): Likewise.
1598	* integrate.c (function_cannot_inline_p): Likewise.
1599	* stor-layout.c (finish_record_layout): Don't call
1600	record_component_aliases.
1601	* tree.h (struct tree_int_cst): Use struct tree_common.
1602	(struct tree_real_cst, struct tree_string): Likewise.
1603	(struct tree_complex, struct tree_identifier): Likewise.
1604	(struct tree_list, struct tree_vec, struct tree_exp): Likewise.
1605	(struct tree_block, struct tree_type, struct tree_decl): Likewise.
1606	(TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
1607	(TYPE_NONALIASES_COMPONENT): New macro.
1608	(TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
1609	(DECL_NONADDRESSABLE_P): New macro.
1610	(struct tree_decl): Reorder bits for clarity of how many left;
1611	add non_adressable.
1612
16132000-06-02  Jason Merrill  <jason@casey.soma.redhat.com>
1614
1615	* Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
1616	* mklibgcc.in (force): New target.
1617	Make LIB2ADD stuff depend on it.
1618
16192000-06-02  Richard Henderson  <rth@cygnus.com>
1620
1621	* alias.c (lang_get_alias_set): Remove.
1622	(get_alias_set): Call it directly, not indirectly.
1623	* c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
1624	* c-common.h (c_get_alias_set): Don't declare.
1625	* c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
1626	* expr.h (lang_get_alias_set): Declare as function, not pointer.
1627
16282000-06-02  Bruce Korb  <bkorb@gnu.org>
1629
1630	* fixinc/server.c(sig_handler):  resume closing server on SIGPIPE
1631	(server_setup):  define the server's master pid
1632	(close_server):  actually do the deed IFF we are the server's master
1633
16342000-06-02  Jakub Jelinek  <jakub@redhat.com>
1635
1636	* c-common.c (c_get_alias_set): Check whether signed_type did not
1637	return its argument before calling get_alias_set on the result.
1638
16392000-06-02  Andrew MacLeod  <amacleod@cygnus.com>
1640
1641	* expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
1642
1643Fri Jun  2 00:22:52 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
1644
1645	* sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
1646	(CONDITIONAL_REGISTER_USAGE): Mac registers are call used
1647	for TARGET_NOMACSAVE.
1648	(NOMACSAVE_BIT): Define.
1649	(TARGET_NOMACSAVE): Define.
1650	(TARGET_SWITCHES): Add "nomacsave".
1651
16522000-06-02  Toshiyasu Morita  <toshi.morita@sega.com>
1653
1654	* sh.md (untyped_call): Remove excess parameters
1655
16562000-06-01  Loren J. Rittle  <ljrittle@acm.org>
1657
1658	* fixinc/inclhack.def (osf_namespace_a): Relax expression to
1659	match that used before the conversion to c_fix style.
1660	* fixinc/fixincl.x: regenerate
1661
16622000-06-01  Stan Cox  <scox@cygnus.com>
1663
1664	* varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
1665	macro argument typo.
1666
16672000-06-01  Zack Weinberg  <zack@wolery.cumb.org>
1668
1669	* cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL.  Improve
1670	error message.
1671	* cpplib.c (parse_include): Remove support for VAX-C
1672	"#include starlet" misfeature.
1673
16742000-05-31 Laurynas Biveinis <lauras@softhome.net>
1675
1676	* cppfiles.c: conditionally define O_BINARY.
1677	(open_include_file): pass O_BINARY to open().
1678
16792000-06-01  Richard Henderson  <rth@cygnus.com>
1680
1681	* i960.c (i960_br_predict_opcode): Remove.
1682	(i960_print_operand) [+]: Emit branch prediction hints.
1683	(i960_function_arg): Return early for VOIDmode.
1684	(i960_round_align): Return early for incomplete types.
1685	* i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1686	* i960.md (all conditional branches): Add "%+".
1687
1688Thu Jun  1 12:24:21 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1689
1690	* alias.c (get_alias_set): Don't call language-specific routine more
1691	than is needed and clean up code a bit.
1692	* c-common.c (c_get_alias_set): All references whose type
1693	is char get alias set 0, but character types need not.
1694	* varasm.c (make_function_rtl): Don't call set_mem_attributes.
1695	(make_decl_rtl): Don't call it for FUNCTION_DECL.
1696
16972000-06-01  Bruce Korb  <bkorb@gnu.org>
1698
1699	* fixinc/tests/base/...: new base result files
1700
1701Thu Jun  1 09:37:35 2000  Clinton Popetz  <cpopetz@cygnus.com>
1702
1703	* config/i386/i386.c (ix86_use_fcomi_compare): Make global.
1704	* config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
1705	* config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
1706	will use FCOMI.
1707
17082000-06-01  Richard Henderson  <rth@cygnus.com>
1709
1710	* Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
1711
1712	* c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
1713
17142000-05-31  Richard Henderson  <rth@cygnus.com>
1715
1716	* config/ia64/ia64.c (sdata_symbolic_operand): Consider small
1717	CONSTANT_POOL_ADDRESS_P addresses for .sdata.
1718	* config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
1719
17202000-05-31  Richard Henderson  <rth@cygnus.com>
1721
1722	* config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
1723	* config/ia64/ia64.c (ia64_expand_prediction): Move code ...
1724	(ia64_print_operand) [+]: ... here.  Use current_output_insn.
1725	* config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1726	* config/ia64/ia64.md (all branch/call patterns): Use %+.
1727
17282000-05-31  Richard Henderson  <rth@cygnus.com>
1729
1730	* ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
1731
17322000-05-31  Richard Henderson  <rth@cygnus.com>
1733
1734	* ifcvt.c (merge_if_block): Be prepared for JOIN to have no
1735	remaining edges.
1736	(find_if_block): Allow THEN with no outgoing edges.
1737	* flow.c (merge_blocks_nomove): Remove a barrier not following
1738	a jump as well.
1739
17402000-05-31  Richard Henderson  <rth@cygnus.com>
1741
1742	* flow.c (propagate_block): Move initialization of mem_set_list ...
1743	(init_propagate_block_info): ... here.  Also track blocks with
1744	no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
1745
17462000-05-31  Richard Henderson  <rth@cygnus.com>
1747
1748	* jump.c (jump_optimize_1): Revert 05-18 change.
1749
17502000-05-31  Mark Mitchell  <mark@codesourcery.com>
1751
1752	* invoke.texi: Remove documentation for -fguiding-decls.
1753
17542000-05-31  Richard Henderson  <rth@cygnus.com>
1755
1756	* configure.in: Fix typo last change.
1757
17582000-05-31  Philipp Thomas  <pthomas@suse.de>
1759
1760	* configure.in (enable-nls): Enable if build == host, i.e. when
1761	not building a canadian cross compiler.
1762	(enable-maintainer-mode): Added for use with i18n.
1763	* aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
1764	cross section of ALL_LINGUAS and LINGUAS.
1765	* configure: Rebuild.
1766
17672000-05-31  Bruce Korb  <bkorb@gnu.org>
1768
1769	* fixinc/check.tpl: rework to use test result tree
1770	* fixinc/Makefile.in: change invocation of check script
1771	* fixinc/check.diff: No longer needed
1772	* fixinc/fixincl.x: regenerate
1773	* fixinc/inclhack.def:  add new tests
1774	* fixinc/tests/base/arch/i960/archI960.h:  New test result
1775	* fixinc/tests/base/curses.h: modified test result
1776	* fixinc/tests/base/stdio.h: ditto
1777	* fixinc/tests/base/time.h: ditto
1778	* fixinc/tests/base/sys/asm.h: ditto
1779	* fixinc/tests/base/sys/stat.h: ditto
1780	* fixinc/tests/base/sys/wait.h: ditto
1781
1782Wed May 31 13:17:20 2000  Philippe De Muyter  <phdm@macqel.be>
1783
1784	* except.c (clear_function_eh_region): Do not free NULL.
1785
1786Wed May 31 08:07:52 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1787
1788	* Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
1789	* alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
1790	(REG_BASE_VALUE): Remove unneeded cast to unsigned.
1791	(get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
1792	(find_base_decl): New function, from c_find_base_decl in c-common.c.
1793	(new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
1794	(get_alias_set): Likewise.
1795	Major rework to do more things and allow language-specific code
1796	to just handle special-cases.
1797	(record_alias_subset): Args are HOST_WIDE_INT.
1798	(record_component_alias): Local vars are HOST_WIDE_INT.
1799	Don't handle COMPLEX_EXPR.
1800	(get_varargs_alias_set): Moved from builtins.c.
1801	(get_frame_alias_set): New function.
1802	* builtins.c (expand_builtin_return_address): Use frame alias set.
1803	(expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
1804	for setjmp buffer.
1805	(get_memory_rtx): Rework to use set_mem_attributes.
1806	(get_varargs_alias_set): Deleted from here.
1807	* c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
1808	(c_find_base_decl): Deleted from here.
1809	(c_get_alias_set): Remove many cases and rework to just handle
1810	C-specific cases.
1811	* c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
1812	* c-decl.c (rtl.h, expr.h): Now included.
1813	(init_decl_processing): Call record_component_aliases on array types.
1814	(grokdeclarator): Likewise.
1815	Set TREE_ADDRESSABLE for all fields that are not bitfields.
1816	* c-typeck.c (common_type): Call record_component_aliases for array.
1817	* caller-save.c (setup_save_areas): Rework register loop for unsigned.
1818	Set all save areas to the frame alias set.
1819	* calls.c (initialie_argument_information): Call set_mem_attributes.
1820	(compute_argument_addresses, expand_call): Likewise.
1821	* explow.c (set_mem_attributes): New function.
1822	(stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
1823	* expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
1824	LEN and OFFSET now HOST_WIDE_INT.
1825	(clear_by_pieces): Similar changes.
1826	(move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
1827	(move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
1828	(move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
1829	(clear_by_pieces_1): Likewise.
1830	(emit_push_insn): Call set_mem_attributes.
1831	(expand_expr, case INDIRECT_REF): Likewise.
1832	(expand_expr, case VAR_DECL): Call change_address.
1833	* expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
1834	tree_low_cst.
1835	(get_varargs_alias_set, get_frame_alias_set): New decls.
1836	(record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
1837	(new_alias_set, set_mem_attributes): Likewse.
1838	* function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
1839	(assign_stack_temp_for_type): Likewise.
1840	Can split slot even if alias set since can copy.
1841	Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
1842	(assign_temp): Use host_integerp and tree_low_cst.
1843	(put_var_into_stack): Properly handle SAVE_EXPR.
1844	(put_addressof_into_stack): Likewise.
1845	(assign_parms): Call set_mem_attributes.
1846	Delete #if 0 code.
1847	(fix_lexical_address): Put reference to chain into frame alias set.
1848	(expand_function_start): Call set_mem_attributes.
1849	* integrate.c (expand_inline_function): Likewise.
1850	* recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
1851	* regmove.c (try_apply_stack_adjustment): Likewise.
1852	* reload.c (push_reload, make_memloc): Likewise.
1853	* reload1.c (alter_reg): Make alias sets for spilled pseudos.
1854	* rtl.def (MEM): Update comment.
1855	* rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
1856	(move_by_pieces): Change length to HOST_WIDE_INT.
1857	(record_base_value, record_alias_subset): Delete from here.
1858	* stmt.c (expand_decl): Call set_mem_attributes.
1859	* stor-layout.c (finish_record_layout): Call record_component_aliases.i
1860	* toplev.c (compile_file): Call init_alias_once earlier.
1861	* tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
1862	from here: now in alias.c.
1863	* tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
1864	(struct tree_decl): Likewise.
1865	(get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
1866	* varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
1867	(output_constant_def, force_const_mem): Likewise.
1868
1869	* flow.c (propagate_block): If block has no successors, stores to
1870	frame are dead if not used.
1871
18722000-05-31  Nathan Sidwell  <nathan@codesourcery.com>
1873
1874	* stmt (expand_end_case): Reorder conversion sequence for jump
1875	table to avoid extra truncations.
1876
1877Wed May 31 01:31:42 2000  Jeffrey A Law  (law@cygnus.com)
1878
1879	* ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
1880	in the block is more than just a simple conditional branch.
1881	(noce_process_if_block): Similarly.
1882
1883Tue May 30 22:25:57 2000  Alexandre Oliva  <aoliva@cygnus.com>
1884
1885	* optabs.c (prepare_float_lib_cmp): Protect *px and *py from
1886	queue.
1887
18882000-05-30  Michael Meissner  <meissner@redhat.com>
1889
1890	* dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
1891	instructions.  Treat LO_SUM operations as loading the full integer
1892	constant.
1893
18942000-05-30  Richard Henderson  <rth@cygnus.com>
1895
1896	* combine.c (get_pos_from_mask): Test exact_log2 result as signed.
1897
18982000-05-30  Richard Henderson  <rth@cygnus.com>
1899
1900	* bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
1901
19022000-05-30  Bruce Korb  <bkorb@gnu.org>
1903
1904	* fixinc/tests/*:  Added expected result files for fixinc's make check
1905	* fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
1906
19072000-05-30  Richard Henderson  <rth@cygnus.com>
1908
1909	* config/alpha/alpha.md (*setne_internal): Use match_operator
1910	instead of working down from insn.
1911
19122000-05-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1913
1914	* invoke.texi (-Wtraditional): Update WRT function macros.
1915
1916Tue May 30 09:57:32 2000  Philippe De Muyter  <phdm@macqel.be>
1917
1918	* except.c (free_exception_table): Do not free NULL.
1919
19202000-05-29  Zack Weinberg  <zack@wolery.cumb.org>
1921
1922	* cpplib.c (do_if): Don't save and restore only_seen_white here.
1923	* cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
1924	and skipping here.
1925
19262000-05-29  Richard Earnshaw (rearnsha@arm.com)
1927
1928	* flow.c (mark_used_reg): If a register is unconditionally live,
1929	remove any conditional death information.
1930
19312000-05-29  Richard Henderson  <rth@cygnus.com>
1932
1933	* final.c (current_output_insn): New.
1934	(final_scan_insn): Set it.
1935	* output.h: Declare it.
1936
19372000-05-29  Richard Henderson  <rth@cygnus.com>
1938
1939	* stor-layout.c (finalize_record_size): Fix typo.
1940
1941	* jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
1942	if nlabel is null.
1943
19442000-05-29  Zack Weinberg  <zack@wolery.cumb.org>
1945
1946	* cpplib.h (cpp_reader): Remove if_stack.  Change
1947	potential_control_macro to a cpp_hashnode *.  Add skipping flag.
1948	* cpphash.h (struct ihash): Change control_macro to a
1949	cpp_hashnode * and shorten name to cmacro.
1950	Add NEVER_REINCLUDE constant.
1951
1952	* cppfiles.c (redundant_include_p): Drop cpp_reader argument.
1953	Examine the cmacro node directly, no need to call cpp_defined.
1954	(_cpp_execute_include, read_include_file): Set cmacro to
1955	NEVER_REINCLUDE, not U"".
1956	* cpplex.c (cpp_push_buffer): Don't set new->if_stack.
1957	(cpp_get_token): If pfile->skipping is true, discard text and
1958	keep scanning until we hit a directive; don't expand macros.
1959
1960	* cpplib.c (struct if_stack): Remove if_succeeded, add
1961	was_skipping. Change control_macro to a cpp_hashnode * and
1962	shorten name to cmacro.  Remove typedef IF_STACK.
1963	(parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
1964	(conditional_skip, skip_if_group,
1965	consider_directive_while_skipping): Delete.
1966	(push_conditional): New.
1967	(_cpp_handle_directive): Don't process directives other than
1968	conditionals if we are skipping.
1969
1970	(do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
1971	Update to new scheme.
1972	(validate_else): Skip rest of line here, unconditionally.
1973	(_cpp_unwind_if_stack): The stack is per-buffer.  Force
1974	pfile->skipping off.
1975
1976	(all): Remove `scare quotes' from error messages.
1977
19782000-05-29  Richard Henderson  <rth@cygnus.com>
1979
1980	* function.c (emit_return_into_block): New line_note arg; emit it.
1981	(thread_prologue_and_epilogue_insns): Attempt to locate a line note
1982	for the close brace to accompany HAVE_return.  Move all line notes
1983	following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
1984
19852000-05-29  Richard Henderson  <rth@cygnus.com>
1986
1987	* longlong.h [__alpha] (count_leading_zeros): New.
1988	(count_trailing_zeros): New.
1989	(COUNT_LEADING_ZEROS_0): New.
1990
1991	* config/alpha/alpha.c (alpha_zero_comparison_operator): New.
1992	(alpha_split_conditional_move): New.
1993	* config/alpha/alpha-protos.h: Prototype them.
1994	* config/alpha/alpha.h (PREDICATE_CODES): Update.
1995	(CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
1996	* config/alpha/alpha.md: Update ffs cix commentary.
1997	(*ze_and_ne): New.
1998	(*nabssf2, *nabsdf2): New.
1999	(*mov[qhsd]icc_internal): Use add_operand.
2000	(if_then_else constant splitters): New.
2001	(*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
2002	(*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
2003
20042000-05-29  Richard Henderson  <rth@cygnus.com>
2005
2006	* combine.c (force_to_mode) [MINUS]: Convert subtraction from
2007	a constant to NEG or NOT when conditions allow.
2008
2009	* combine.c (combine_simplify_rtx): Don't create an if_then_else
2010	unless both args are general_operand.  Don't canonicalize plus
2011	to ior unless it helps.
2012
2013	* toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
2014	instead track register_life_up_to_date.  Toggle no_new_pseudos
2015	around if_convert.
2016
20172000-05-28  Geoff Keating  <geoffk@cygnus.com>
2018
2019	* config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
2020	so output_operand doesn't see them.
2021
2022Sun May 28 18:37:07 2000  Clinton Popetz  <cpopetz@cygnus.com>
2023
2024	* lcm.c (make_preds_opaque): Fix comment.
2025	(optimize_mode_switching): Use NORMAL_MODE instead of
2026	MODE_USES_IN_EXIT_BLOCK.  Change leftover instance of
2027	FP_MODE_NONE to no_mode.  Rename MODE_AT_ENTRY to NORMAL_MODE.
2028	Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
2029	* tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
2030	(MODE_USES_IN_EXIT_BLOCK): Delete.
2031	(MODE_AT_ENTRY) Rename to NORMAL_MODE.
2032	* sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
2033	(MODE_AT_ENTRY): Rename to NORMAL_MODE.
2034	(MODE_NEEDED): Don't look for USE.
2035	(EPILOGUE_USES): Define.
2036
2037Sun May 28 23:26:59 2000  Philippe De Muyter <phdm@macqel.be>
2038
2039	* mklibgcc.in (all): Variable initialized to `libgcc'.
2040
20412000-05-28  Gabriel Dos Reis  <gdr@codesourcery.com>
2042
2043	* toplev.h (skip_leading_substring): New macro.
2044	* toplev.c (decode_f_option): Use skip_leading_substring instead
2045	of strncmp.
2046	(decode_W_option): Likewise.
2047
20482000-05-28  Nick Clifton  <nickc@cygnus.com>
2049
2050	* tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
2051	modify reg_names.
2052
20532000-05-28  Richard Henderson  <rth@cygnus.com>
2054
2055	* regclass.c (record_operand_costs): Protect reg_changes_size
2056	with CLASS_CANNOT_CHANGE_SIZE.
2057
2058	* loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2059
20602000-05-28  Richard Henderson  <rth@cygnus.com>
2061
2062	* function.c (diddle_return_value): A pcc-style struct return
2063	returns a pointer.
2064
20652000-05-27  Zack Weinberg  <zack@wolery.cumb.org>
2066
2067	* cppfiles.c: Read files in, using mmap if possible, then
2068	prescan them separately.
2069	(read_file, read_with_read): New functions.
2070	* cpplex.c: Don't define UCHAR_MAX.
2071	(_cpp_read_and_prescan): Rename to _cpp_prescan.  Don't read
2072	the file here.
2073
2074	* cppinit.c (handle_option): Automatically define __cplusplus,
2075	__OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
2076	the respective -lang switch.
2077
2078	* cpphash.h (enum node_type, struct hashnode, _cpp_lookup
2079	prototype): Move to...
2080	* cpplib.h: ... here.  Rename struct hashnode to struct
2081	cpp_hashnode and give it a typedef.  Rename _cpp_lookup to
2082	cpp_lookup.  Add 'fe_value' slot, a union tree_node *.
2083
20842000-05-27  Geoffrey Keating  <geoffk@cygnus.com>
2085
2086	* config/rs6000/rs6000.md (movsi): Constify 'name'.
2087
2088	* regclass.c [CLASS_CANNOT_CHANGE_SIZE]
2089	(class_can_change_size): New variable.
2090	(reg_changes_size): New variable.
2091	(init_reg_sets_1): Initialize class_can_change_size.
2092	(record_operand_costs): Remove subreg_changes_size.
2093	Don't pass it around.  Instead update reg_changes_size.
2094	(regclass): Initialize and free reg_changes_size.  If a register
2095	changes size, don't preference it to a class that contains
2096	registers that can't change size.
2097	(record_reg_classes): Don't look at subreg_changes_size.
2098
20992000-05-27  Richard Henderson  <rth@cygnus.com>
2100
2101	* print-rtl.c (reg_names): Remove const.
2102	* regclass.c (reg_names): Likewise.
2103	* regs.h (reg_names): Likewise.
2104	* hard-reg-set.h (reg_names): Likewise.
2105
21062000-05-27  Richard Henderson  <rth@cygnus.com>
2107
2108	* config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
2109
21102000-05-27  Richard Henderson  <rth@cygnus.com>
2111
2112	* config/alpha/alpha.c (alpha_does_function_need_gp): Test
2113	TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
2114	(alpha_expand_prologue): Emit prologue_mcount if needed.
2115	* config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
2116	* config/alpha/alpha.md (prologue_mcount): New.
2117	* config/alpha/linux.h (FUNCTION_PROFILER): Remove.
2118	(TARGET_PROFILING_NEEDS_GP): Undef before redefining.
2119	* config/alpha/netbsd.h: Likewise.
2120
21212000-05-27  Richard Henderson  <rth@cygnus.com>
2122
2123	* config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
2124	change to config/elfos.h.
2125
21262000-05-27  Richard Henderson  <rth@cygnus.com>
2127
2128	* Makefile.in (resource.o): Depend on except.h.
2129	* except.h (output_exception_table_data): Prototype.
2130	* genconfig.c (gen_peephole2): Prototype.
2131	* genemit.c (main): Include ggc.h.
2132	* genoutput.c: Revert parts of last change: include errors.h
2133	(main): Set progname.
2134	* recog.c: Include hard-reg-set.h before recog.h.
2135	* resource.c: Include except.h.
2136
2137	* config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
2138	with RTX_CODE.
2139	(alpha_write_linkage): Protect with BUFSIZ.
2140	(alpha_need_linkage): Update prototype.
2141	* config/alpha/alpha.c (function_arg): Move VMS code here.
2142	(alpha_links_base): Remove.
2143	(alpha_links): New.
2144	(mark_alpha_links_node, mark_alpha_links): New.
2145	(alpha_write_one_linkage): New.
2146	(alpha_need_linkage): Use a splay tree.  Build the linkage symbol.
2147	(alpha_write_linkage): Use splay_tree_foreach.
2148	* config/alpha/alpha.md (call_vms): Use alpha_need_linkage
2149	to get the linkage symbol.
2150	(call_value_vms): Likewise.
2151	* config/alpha/elf.h (output_file_directive): Remove decl.
2152	(ctors_section, dtors_section): Prototype.
2153	(sbss_section, sdata_section): Prototype.
2154	* config/alpha/vms.h (FUNCTION_ARG): Remove.
2155	(readonly_section, link_section, literals_section): Prototype.
2156	(ctors_section, dtors_section): Prototype.
2157	(vms_valid_decl_attribute_p): Remove decl.
2158	(alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2159
21602000-05-27  Geoff Keating  <geoffk@cygnus.com>
2161
2162	* reload.c (get_secondary_mem): Don't widen floating-point modes.
2163
2164	* combine.c (subst): Honor CLASS_CANNOT_CHANGE_SIZE when
2165	substituting the REG in a (subreg:X (reg:Y ...)).
2166
21672000-05-28  Neil Booth  <NeilB@earthling.net>
2168
2169	* cpplex.c (_cpp_lex_line): Merge vertical space.  Flag
2170	first token of a line BOL.  Update EOF code for this.
2171	Remove illegal directive check - it appears in the (not
2172	yet committed) caller.
2173	* cpplib.h (BOL): New flag.
2174
21752000-05-28  Neil Booth  <NeilB@earthling.net>
2176
2177	* cpplex.c (_cpp_init_toklist): No comment space to initialize.
2178	(_cpp_free_toklist): No comment space to free.
2179	(expand_comment_space): Remove.
2180	(save_comment_space): Place the comment in the current token and
2181	not in a separate comment space.
2182	(_cpp_lex_line): Save comments during plain code and #define
2183	directives only.
2184	* cpplib.h (struct _cpp_toklist): Remove comment space.
2185
21862000-05-28  Neil Booth  <NeilB@earthling.net>
2187
2188	* cppexp.c (parse_assertion): Supply extra argument to
2189	_cpp_init_toklist.
2190	* cpplib.c (do_assert, do_unassert): Similarly.
2191	* cpphash.h (_cpp_init_toklist) Update.
2192	(_cpp_expand_token_space): New.
2193	(DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
2194	* cpplex.c (_cpp_init_toklist): New argument.
2195	(parse_string2): New argument multiline_ok.
2196	(spell_token): Take a const cpp_token *.
2197	(INIT_NAME): Replace with INIT_TOKEN_NAME.  Update tokens_used.
2198	(SPELL_ macros): Replace with enum.
2199	(expand_token_space): Replace with _cpp_expand_token_space.
2200	Take COUNT argument.
2201	(IS_DIRECTIVE): Update.
2202	(_cpp_lex_line): Update token structure before parsing number.
2203	Don't assume start at beginning of token list.
2204	(save_comment): Use INIT_TOKEN_NAME.
2205
22062000-05-27  Zack Weinberg  <zack@wolery.cumb.org>
2207
2208	* configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
2209	-Wmissing-prototypes.
2210	* configure: Regenerate.
2211	* gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
2212
2213	* builtins.c, calls.c: Change all instances of gen_call_* or
2214	gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
2215	* calls.c (struct_value_size_rtx): Separate definition from
2216	initialization to avoid unused variable warning.
2217
2218	* genflags.c (gen_macro): New function.
2219	(gen_proto): Call it for gen_call_* and gen_sibcall_*.
2220	(gen_nonproto): Delete.
2221	(gen_insn): Put all insns on the same obstack.
2222	(main): Generate prototypes for everything unconditionally.
2223
2224	* configure.in: Add AC_CHECK_TYPE(ssize_t).  Remove commented
2225	out check for wchar_t.
2226	* acconfig.h: Add template for ssize_t.  Remove @TOP@.
2227	* system.h: Add infrastructure for defining missing
2228	TYPE_MAX/TYPE_MIN macros.  Use it to provide fallback
2229	definitions of UCHAR_MAX and SSIZE_MAX.
2230	* configure: Regenerate.
2231	* config.in: Regenerate.
2232
2233	* Makefile.in (libgcc2.ready): Rename to libgcc.ready.
2234	Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
2235	headers.
2236	(clean): No need to delete libgcc1.a, libgcc1-asm.a,
2237	libgcc2.a, or libgcc1.null.
2238
22392000-05-27  Richard Henderson  <rth@cygnus.com>
2240
2241	* Makefile.in (recog.o): Don't depend on resource.h.
2242	* recog.c: Don't include resource.h.
2243	(recog_last_allowed_insn): Remove.
2244	(recog_next_insn): Remove.
2245	(struct peep2_insn_data): New.
2246	(peep2_insn_data, peep2_current): New.
2247	(peep2_next_insn): New.
2248	(peep2_regno_dead_p, peep2_reg_dead_p): New.
2249	(peep2_find_free_register): New.
2250	(peephole2_optimize): Track life information by insn as we go.
2251	* recog.h: Update declarations.
2252	* resource.c (find_free_register, reg_dead_p): Remove.
2253	* resource.h: Remove their declarations.
2254	* toplev.c: Include hard-reg-set.h before recog.h.
2255
2256	* genconfig.c (max_insns_per_peep2): New.
2257	(gen_peephole2): New.
2258	(main): Call it.
2259	* genemit.c (output_peephole2_scratches): Generate calls to
2260	peep2_find_free_register; adjust surrounding code.
2261	(main): Have insn-emit.c include hard-reg-set.h before recog.h.
2262	* genrecog.c (change_state): Don't track last_insn.
2263	(write_action): Write into *_pmatch_len before accepting.
2264	(write_tree): Adjust peephole2_insns and subroutines to match.
2265
2266	* config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
2267
2268	* config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
2269	(hard_int_register_operand): New.
2270	* config/alpha/alpha-protos.h: Declare it.
2271	* config/alpha/alpha.h (PREDICATE_CODES): Update.
2272	* config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
2273	as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2274
22752000-05-27  Richard Henderson  <rth@cygnus.com>
2276
2277	* function.c (thread_prologue_epilogue_insns): Don't move the
2278	line note at the head of the chain.  Only force a lineno note
2279	before the end of block 0.
2280
22812000-05-27  Richard Henderson  <rth@cygnus.com>
2282
2283	* gensupport.c (collect_insn_data): Record the maximum number
2284	of alternatives, not the last seen.
2285
2286	* genoutput.c: Don't include errors.h.
2287	(struct data): Add lineno member.
2288	(have_error): New.
2289	(scan_operands): Use message_with_line instead of error.
2290	(validate_insn_alternatives): Likewise.
2291	(gen_insn): Accept and store the pattern's line number.
2292	(gen_peephole, gen_expand, gen_split): Likewise.
2293	(main): Don't set progname.  Pass line_no to gen_foo.
2294
22952000-05-27  Richard Henderson  <rth@cygnus.com>
2296
2297	* config/d30v/d30v.c (d30v_print_operand): Handle ':'.
2298	* config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
2299	* config/d30v/d30v.md (attr predicable): New.
2300	(all insn patterns): Mark non-predicable patterns; use %: on the rest.
2301	(andsi3*): Unify into one pattern.
2302	(iorsi3*, xorsi3*): Likewise.
2303	(peephole2 patterns): Use peep2_reg_dead_p; verify not a
2304	conditional return.
2305	(old cond_exec patterns): Remove.
2306	(define_cond_exec): New.
2307
2308Sat May 27 11:01:27 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2309
2310	* tree.h (TREE_CODE_LENGTH): New macro.
2311	* c-common.c (c_find_base_decl): Use it.
2312	* expr.c (safe_from_p): Likewise.
2313	* print-tree.c (print_node): Likewise.
2314	* tree.c (make_node, copy_node, get_identifier): Likewie.
2315	(first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
2316	(build, build_nt, build_parse_node, simple_cst_equal): Likewise.
2317	* fold-const.c (make_range): Likewise.
2318	(fold): Likewise; also use first_rtl_op.
2319	* c-iterate.c (collect_iterators): Use first_rtl_op.
2320	* calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
2321	Use IS_EXPR_CODE_CLASS.
2322	(preexpand_calls): Likewise.
2323	* ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
2324	and TREE_CODE_LENGTH.
2325	* stmt.c (warn_if_unused_value): If no operands, no unused value.
2326
23272000-05-26  Geoffrey Keating  <geoffk@cygnus.com>
2328
2329	* config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
2330	than '%1(%*)'.
2331	(movdi_internal64): Likewise.
2332
2333	* config/rs6000/rs6000.md: Correct order of operands for DImode
2334	boolean patterns.
2335
2336	* config/rs6000/rs6000.c (boolean_or_operator): New function.
2337	* config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
2338	* config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
2339	* config/rs6000/rs6000.md: Use boolean_or_operator instead of
2340	boolean_operator for the boolean patterns without NOTs.
2341
2342	* config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
2343	from reg_or_u_cint_operand.  Change comment and behavior.
2344	(logical_operand): Clean up, add assertion.
2345	(non_logical_cint_operand): Also check for
2346	reg_or_logical_cint_operand.
2347	* config/rs6000/rs6000.h (PREDICATE_CODES): Update.
2348	* config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
2349	in the expander.
2350	(xorsi3): Likewise.
2351	(iordi3): Likewise.
2352	(xordi3): Likewise.
2353
23542000-05-26  Mark Mitchell  <mark@codesourcery.com>
2355
2356	* tree.h (struct record_layout_info): Rename to (struct
2357	record_layout_info_s).
2358	* stor-layout.c (start_record_layout): Replace
2359	`record_layout_info' with `record_layout_info_s'.
2360
23612000-05-26  Richard Earnshaw  <rearnsha@arm.com>
2362
2363	* flow.c (find_label_refs): New function.
2364	(find_basic_blocks_1): Call it for each alternative of a call
2365	placeholder.
2366
23672000-05-26  Richard Earnshaw  <rearnsha@arm.com>
2368
2369	* ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
2370	of get_pc.
2371
23722000-05-25  Richard Henderson  <rth@cygnus.com>
2373
2374	* config/alpha/alpha.c (alpha_comparison_operator): Don't be
2375	so strict about DImode.
2376	(alpha_swapped_comparison_operator): Likewise.
2377	* config/alpha/alpha.md (*setne_internal): Name it.  Allow
2378	any integer output mode.
2379	(*setcc_internal): Likewise.
2380	(*setcc_swapped_internal): Likewise.
2381	(*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
2382	(*mov[qhs]icc_internal): New.
2383	(*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2384
23852000-05-25  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
2386
2387	* vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2388
23892000-05-25  Richard Henderson  <rth@cygnus.com>
2390
2391	* bb-reorder.c (reorder_block_def): Reorder elements for size.
2392	Remove add_jump; add next; replace flags with visited.
2393	(rbd_init): Remove.
2394	(REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2395	(REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2396	(REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2397	(REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2398	(RBI): New.
2399	(reorder_index, reorder_last_visited): Remove.
2400	(skip_insns_after_block): Rewrite to use a switch.
2401	(get_common_dest): Remove.
2402	(chain_reorder_blocks): Remove.
2403	(record_effective_endpoints): Split out from reorder_basic_blocks.
2404	(make_reorder_chain): Likewise.  Loop until all blocks are placed.
2405	(make_reorder_chain_1): Renamed from old make_reorder_chain.
2406	Only construct the reorder chain, do not move insns.  Try harder
2407	to tail recurse.
2408	(label_for_bb, emit_jump_to_block_after): New.
2409	(fixup_reorder_chain): Use them.  Do bulk block movement.  Examine
2410	and adjust the jump insns appropriately.  Fixup basic_block_info.
2411	(verify_insn_chain): Always define.
2412	(relate_bbs_with_scopes): Call xmalloc, not xcalloc.  Fix thinko
2413	in allocation size.
2414	(make_new_scope): Don't write zeros to calloc'd space.
2415	(build_scope_forest): Rely on xrealloc to DTRT.
2416	(reorder_basic_blocks): Don't build loop nest.  Don't fail if
2417	profile_arc_flag.  Streamline EH test.
2418
2419	* flow.c (redirect_edge_succ, redirect_edge_pred): New.
2420	* basic-block.h: Declare them.
2421
24222000-05-25  Alexandre Oliva  <aoliva@cygnus.com>
2423
2424	* emit-rtl.c (reset_used_decls): New function.
2425	(unshare_all_rtl_again): Call it.
2426
24272000-05-25  Zack Weinberg  <zack@wolery.cumb.org>
2428
2429	* cpplex.c (maybe_macroexpand): Warn about function-like
2430	macros used in non-function context, if -Wtraditional.
2431
24322000-05-25  Mark Mitchell  <mark@codesourcery.com>
2433
2434	* recog.c (peephole2_optimize): Use INSN_P.
2435
24362000-05-25  Richard Henderson  <rth@cygnus.com>
2437
2438	* ifcvt.c (seq_contains_jump): New.
2439	(noce_try_store_flag_constants): Use it to fail conversion.
2440	(noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2441
24422000-05-25  Mark Mitchell  <mark@codesourcery.com>
2443
2444	* except.h (can_throw): Declare it.
2445	* except.c (can_throw): Give it external linkage.
2446	* resource.c (find_dead_or_set_registers): Use can_throw.
2447
24482000-05-25  Richard Henderson  <rth@cygnus.com>
2449
2450	* flow.c (mark_set_1): Don't record conditionally dead memory.
2451
24522000-05-25  Jan Hubicka  <jh@suse.cz>
2453
2454	* combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2455	and pc_set at the place of simplejump_p and condjump_p.
2456	* cse.c (record_jump_equiv): Likewise.
2457	* emit-rtl.c (emit): Likewise.
2458	* explow.c (find_next_ref): Likewise.
2459	* flow.c (tidy_fallthru_edge): Likewise.
2460	(init_propagate_block_info): Likewise.
2461	* gcse.c (delete_null_pointer_checks): Likewise.
2462	* ifcvt.c (cond_exec_get_condition, noce_get_condition,
2463	dead_or_predicable): Likewise.
2464	* integrate.c (copy_insn_list): Likewise.
2465	* loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2466	for_each_insn_in_loop, check_dbra_loop, get_condition,
2467	insert_bct, load_mems): Likewise.
2468	* resource.c (find_dead_or_set_registers): Likewise.
2469	* sibcalls.c (simplejump_p): Likewise.
2470	* unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2471
24722000-05-25  David Edelsohn  <edelsohn@gnu.org>
2473
2474	* rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2475	to STRING case.  Use doubleword STRING move for TARGET_POWERPC64
2476	when unaligned.
2477	* rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2478	(RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2479	(LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2480	* rs6000.md: Name various internal patterns.
2481
24822000-05-25  Jan Hubicka  <jh@suse.cz>
2483
2484	* jump.c (invert_exp_1): Remove first argument, use pc_set
2485	to get the expression.
2486	(redirect_exp): Make static; redirect only the pc_set expression,
2487	remove first argument.
2488	(invert_exp): Remove first argument, make static.
2489	(jump_optimize): Use any_condjump_p, any_uncondjump_p and
2490	any_onlyjump at most places where we originaly did condjump_p
2491	and simplejump_p.
2492	(jump_back_p, follow_jumps, thread_jumps): Likewise.
2493	(delete_barrier_succesors): Use pc_set.
2494	(invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2495	calls of invert_exp and redirect_exp.
2496	* rtl.h (redirect_exp, invert_exp): Remove.
2497	* unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2498
24992000-05-25  Richard Henderson  <rth@cygnus.com>
2500
2501	* stmt.c (expand_end_bindings): Fix thinko last change.
2502
25032000-05-25  Andrew MacLeod  <amacleod@cygnus.com>
2504	    Andrew Haley  <aph@cygnus.com>
2505
2506	* except.c  (func_eh_entry): Add emitted field.
2507	(new_eh_region_entry): Set emitted field to 0;
2508	(output_exception_table_entry): Only emit previously un-emitted data,
2509	and send it to the eh_data section.
2510	(output_exception_table): Break out common parts. Output
2511	exception table for entire compilation unit to eh_data section.
2512	(output_exception_table_data): Common parts of output_exception_table.
2513	Send output to eh_data section.
2514	(output_function_exception_table): Output exception table data for
2515	a single function to eh_data section.
2516	(free_exception_table): New external to free the table.
2517	* except.h (free_exception_table): Add prototype.
2518	(output_function_exception_table): Add prototype.
2519	* final.c (final_end_function): Output function exception table
2520	for IA64_UNWIND_INFO.
2521	(final_scan_insn): Emit any unwind directives for an insn.
2522
2523	* frame-dwarf2.c: New file containing all DWARF 2 specific code
2524	from frame.c.
2525	* frame.c: Remove all DWARF 2 specific code.
2526	* config/ia64/frame-ia64.c: New file.
2527	(gthread_stuff): Make all gthread available with
2528	IA64_UNWIND_INFO.
2529	(dwarf_fde): Define an IA64 struct for dwarf_fde.
2530	(__register_frame_info, __register_frame): Move to common area of file.
2531	(__register_frame_info_table, __register_frame_table): Move to common i
2532	area.
2533	(__deregister_frame_info, __deregister_frame): Move to common area.
2534	(__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
2535	(read_uleb128): New version for ia64.
2536	(get_unwind_record): Read the next IA-64 unwind record.
2537	(read_R_record): Read a region header record.
2538	(process_a_b_reg_code): X record helper.
2539	(read_X_record): Read an X format record.
2540	(read_B_record): Read a B format record.
2541	(P3_record_types): List of record types matching the P3 format.
2542	(P7_record_types): List of record types matching the P7 format.
2543	(P8_record_types): List of record types matching the P8 format.
2544	(read_P_record): Read a P format record.
2545	(init_ia64_reg_loc): Set default fields for a register.
2546	(init_ia64_unwind_frame): Set defaults for all register records.
2547	(execute_one_ia64_descriptor): Execute one descriptor record.
2548	(rse_address_add): Calculate the position of a local reg in memory.
2549	(normalize_reg_loc): Turn a location descriptor into a memory address.
2550	(maybe_normalize_reg_loc): Only normalize a descriptor if it falls
2551	within a specified PC offset range.
2552	(get_real_reg_value): Given a register location, retrieve its value.
2553	(set_real_reg_value): Change the value of a register location.
2554	(copy_reg_value): Copy reg values, if needed.
2555	(copy_saved_reg_state): Copy all registers that need to be copied.
2556	(process_state_between): Normalize all frame register records that
2557	fall within the specified PC range.
2558	(frame_translate): Take a processed frame description, and turn
2559	everything into addresses.
2560	(build_ia64_frame_state ): Find and create frame state record for a PC.
2561	(get_personality): Get the personality routine for a given frame.
2562	(get_except_table): Get the exception table for a given frame.
2563	(record_name): Unwind record names for debugging.
2564	(print_record): Print and unwind record.
2565	(print_all_records): Print an entire unwind image.
2566	(__ia64_backtrace): Print a backtrace.
2567	(ia64_backtrace_helper): New function.
2568	(__register_frame_info_aux): New function.
2569	* config/ia64/crtend.asm (__do_frame_setup_aux): New function.
2570
2571	* frame.h (enum unw_record_type): New unwind record types.
2572	(struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
2573	(struct unw_r_record, unwind_record): New unwind record structs.
2574	(struct unwind_info_ptr): Unwind information layout.
2575	(IA64_UNW_LOC_TYPE_*): Macros for different types for location
2576	descriptors.
2577	(struct ia64_reg_loc): Register location description.
2578	(struct ia64_frame_state): Location of all registers in a frame.
2579	(struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
2580	* libgcc2.c (__ia64_personality_v1): Personality routine.
2581	(__calc_caller_bsp): Calculate the bsp register for the caller's
2582	frame.
2583	(ia64_throw_helper): Figure out who to return to and set up the
2584	registers.
2585	(__throw): Throw routine.
2586
2587	* output.h (assemble_eh_align, assemble_eh_label): New functions
2588	to generate EH info where we want it.
2589	(assemble_eh_integer): New function.
2590	* toplev.c (compile_file): Output module level exception table for
2591	non-ia64 targets.
2592	(main): Set exceptions_via_longjump and flag_new_exceptions based
2593	on IA64_UNWIND_INFO too.
2594
2595	* varasm.c (assemble_eh_label): Generate a label via
2596	ASM_OUTPUT_EH_LABEL if it has been specified.
2597	(assemble_eh_align): Generate an alignment directive via
2598	ASM_OUTPUT_EH_ALIGN if it has been specified.
2599	(assemble_eh_label): Generate an integer value via
2600	ASM_OUTPUT_EH_type if they have been specified.
2601	* config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
2602	(ia64_init_builtins): Add __builtin_ia64_bsp
2603	and __builtin_ia64_flushrs.
2604	(ia64_expand_builtin): Add IA64_BUILTIN_BSP and
2605	IA64_BUILTIN_FLUSHRS.
2606	* config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
2607	IA64_BUILTIN_FLUSHRS.
2608
2609	* config/ia64/ia64.md (flushrs): New insn to flush the register
2610	stack.  Add to unspec list.
2611
2612	* config/ia64/crtbegin.asm (frame_object): Change size.
2613	(__do_frame_setup_aux): New function.
2614	* config/ia64/crtend.asm: call __do_frame_setup_aux.
2615	* config/ia64/t-ia64 (LIB2ADDEH): Add.
2616	* Makefile.in (LIB2ADDEH): Add.
2617	(LIB2ADD): Use LIB2ADDEH.
2618
26192000-05-24  Richard Henderson  <rth@cygnus.com>
2620
2621	* recog.c (offsettable_address_p): If mode size is zero, assume
2622	BIGGEST_ALIGNMENT.
2623
26242000-05-24  J. David Anglin  <dave@hiauly.hia.nrc.ca>
2625
2626	* configure.in: Check for -Wno-long-long option support and improve
2627	handling of warning CFLAGS for stages 1 and 2.
2628	* Makefile.in (WARN_CFLAGS): Move definition to configure.in.
2629	* configure: Regenerate.
2630
2631Wed May 24 19:37:53 2000  Jeffrey A Law  (law@cygnus.com)
2632
2633	* gcc.texi: Remove contributor list.  Instead include contrib.texi.
2634	* contrib.texi: New file.
2635
2636Thu May 25 02:27:22 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
2637
2638	* loop.c (basic_induction_var): Avoid double recording of an increment.
2639
2640Thu May 25 02:19:27 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
2641
2642	* Back out this patch:
2643	Tue Dec  7 19:22:06 1999  Richard Henderson  <rth@cygnus.com>
2644	  * loop.h (struct induction): Add multi_insn_incr.
2645	  * loop.c (basic_induction_var): New multi_insn_incr argument.
2646	  Set it if we search back through previous insns for the biv.
2647	  (record_biv): New multi_insn_incr argument; fill in struct induction.
2648	  (strength_reduce): Discard an iv with multiple bivs, any of
2649	  which require multiple insns to increment.
2650
2651	* loop.c (check_insn_for_bivs): Remove bits copied from above patch.
2652
2653Thu May 25 02:09:10 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
2654
2655	* rtl.h (loc_mentioned_in_p): Declare.
2656	* reload.c (loc_mentioned_in_p): Moved from here...
2657	* rtlanal.c (loc_mentioned_in_p): to here.  No longer static.
2658	Fix loop increment for 'E' handling.
2659	* loop.c (strength_reduce): When doing biv->giv conversion,
2660	take multi-insn biv increments into account.
2661
26622000-05-24  Jason Merrill  <jason@casey.soma.redhat.com>
2663
2664	* stmt.c (expand_end_bindings): Look through NOTEs to find a
2665	BARRIER.
2666
26672000-05-24  Mark Mitchell  <mark@codesourcery.com>
2668
2669	* calls.c (expand_call): Handle cleanups in tail-recursion
2670	arguments analogously to cleanups in sibling calls.
2671
26722000-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2673
2674	* simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
2675	All callers changed.
2676
26772000-05-24  Alexandre Oliva  <aoliva@cygnus.com>
2678
2679	* expr.c (expand_assignment, store_expr, expand_expr,
2680	expand_expr_unaligned): Set in_check_memory_usage while emitting
2681	chkr_check_addr libcall.
2682
26832000-05-24  Nick Clifton  <nickc@cygnus.com>
2684
2685	* fold-const.c (extract_muldiv): When constructing a
2686	multiplier/divisor, do not expect const_binop to correctly
2687	determine if overflow has occurred, so check explicitly.
2688
26892000-05-24  Alexandre Oliva  <aoliva@cygnus.com>
2690
2691	* c-decl.c (build_enumerator): Don't modify the value's type,
2692	convert it.
2693
26942000-05-24  Andreas Jaeger  <aj@suse.de>
2695
2696	* mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
2697
26982000-05-24  Eric Christopher <echristo@cygnus.com>
2699
2700	* configure.in: Redefine inhibit_libc conditions.
2701	* libgcc2.c: Remove inhibit_libc conditional define.
2702	* configure: Regenerate.
2703
27042000-05-24  Phil Edwards  <pme@sourceware.cygnus.com>
2705
2706	* configure.in:  For --enable-languages=LIST, check for empty LIST.
2707	* configure:  Regenerate.
2708
27092000-05-24  Lars Brinkhoff  <lars@nocrew.org>
2710
2711	* pdp11.h (STACK_BOUNDARY): Define.
2712
27132000-05-24  Jakub Jelinek  <jakub@redhat.com>
2714
2715	* ifcvt.c (if_convert): Update life info globally.
2716
27172000-05-24  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
2718
2719	* emit-rtl.c (unshare_all_decls): New function.
2720	(unshare_all_rtl): Call it.
2721
27222000-05-23  Nick Clifton  <nickc@cygnus.com>
2723
2724	* configure.in: Treat 'strongarm' as if it were 'arm' when
2725	determining cpu type.
2726
2727	* configure: Regenerate.
2728
2729	* config/arm/arm.c: Change 'char *' to 'const char *' for cases
2730	where constant strings are involved.
2731
2732	* config/arm/arm.h (arm_condition_codes): Change type to 'const
2733	char *'.
2734
2735	* config/arm/arm-protos.h: Change 'char *' to 'const char *' for
2736	cases where constant strings are involved.
2737
2738Tue May 23 15:08:31 2000  Clinton Popetz  <cpopetz@cygnus.com>
2739
2740	* config/sh/sh.c (gen_far_branch, split_branches): Update
2741	to reflect new prototypes for redirect_jump and invert_jump.
2742	(sh_insn_length_adjustment): Get rid of const warnings.
2743
27442000-05-23  Kazu Hirata  <kazu@hxi.com>
2745
2746	* invoke.texi (Options for Debugging Your Program or GCC): Update
2747	the names of dump files.
2748
2749Tue May 23 13:58:52 2000  Philippe De Muyter  <phdm@macqel.be>
2750
2751	* configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
2752	* configure: Regenerated.
2753
27542000-05-23  Zack Weinberg  <zack@wolery.cumb.org>
2755
2756	* simplify-rtx.c (SIGN_EXTEND): New macro.
2757	(simplify_unary_operation, simplify_binary_operation,
2758	simplify_relational_operation): Use SIGN_EXTEND.  Make low
2759	halves of (low, high) pairs unsigned if they weren't already.
2760	(simplify_ternary_operation): Cast INTVAL to unsigned before
2761	comparing to a MODE_BITSIZE.
2762
27632000-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2764
2765	* aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
2766	rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
2767
2768	* configure.in (gcc_AC_CHECK_DECLS): Call this instead of
2769	gcc_AC_NEED_DECLARATIONS.
2770
2771	* dwarfout.c: Don't prototype time().
2772
2773	* gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
2774
2775	* system.h: Likewise.
2776
2777	* toplev.c: Likewise.
2778
27792000-05-23  Zack Weinberg  <zack@wolery.cumb.org>
2780
2781	* c-decl.c (pushdecl): Invert sense of test for non-global types.
2782
2783Tue May 23 18:11:42 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
2784
2785	* reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2786
27872000-05-23  Jonathan Larmour  <jlarmour@redhat.co.uk>
2788
2789	* config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
2790
2791Tue May 23 06:50:29 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2792
2793	* config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
2794	(alpha_start_function): Never write ..ng label if VMS or NT.
2795	(alpha_align_insns): Remove GP_IN_USE arg.
2796	Alignment now unsigned.
2797	(alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
2798	* config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
2799	and two define_insn's.
2800
28012000-05-22  Richard Henderson  <rth@cygnus.com>
2802
2803	* combine.c (simplify_comparison): Use trunc_int_for_mode.
2804
28052000-05-22  Richard Henderson  <rth@cygnus.com>
2806
2807	* stor-layout.c (place_field): Change rli->size to rli->offset.
2808
28092000-05-22  Richard Henderson  <rth@cygnus.com>
2810
2811	* function.c (thread_prologue_and_epilogue_insns): Make sure
2812	existing line number notes appear after the prologue.
2813
2814Mon May 22 21:49:00 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2815
2816	* config/alpha/alpha.c (alpha_fnname): New static variable.
2817	(print_operand, case '~'): New case.
2818	(alpha_expand_prologue): Emit prologue_ldgp insn if needed.
2819	(alpha_start_function): Set alpha_fnname.
2820	Write "ng" label if no ldgp; don't write ldgp insn.
2821	* config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
2822	* config/alpha/alpha.md (prologue_ldgp): New define_insn.
2823
2824Mon May 22 11:30:48 2000  Clinton Popetz  <cpopetz@cygnus.com>
2825
2826	* jump.c (jump_optimize_1): Don't increment LABEL_NUSES
2827	on deleted labels.
2828
28292000-05-22  Zack Weinberg  <zack@wolery.cumb.org>
2830
2831	* varasm.c (eh_frame_section): Revert change to argument list.
2832
2833Mon May 22 13:14:03 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2834
2835	* optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
2836	(gen_extend_insn, can_fix_p, can_float_p): Likewise.
2837
2838	* final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
2839	dangling "else" that causes "break" to be conditional.
2840	Also remove unneeded code at start.
2841
2842Mon May 22 17:31:35 2000  Philippe De Muyter  <phdm@macqel.be>
2843
2844	* m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
2845	* fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
2846	* gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2847
28482000-05-22  Jakub Jelinek  <jakub@redhat.com>
2849
2850	* config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
2851	just one argument.
2852
2853Mon May 22 06:57:49 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2854
2855	* alias.c (record_component_aliases): New function.
2856	* tree.h: Clean up some declarations and comments.
2857	(record_component_aliases): New declaration.
2858	* tree.c (get_alias_set): If type and has alias set, use it.
2859
28602000-05-22  Richard Henderson  <rth@cygnus.com>
2861
2862	* simplify-rtx.c (simplify_ternary_operation): Try to simplify
2863	IF_THEN_ELSE to a setcc form.
2864	* jump.c (can_reverse_comparison_p): Be prepared for insn null.
2865
28662000-05-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2867
2868	* fixinc/inclhack.def (sun_malloc): Handle `calloc'.
2869	(sun_malloc, sysz_stdtypes_for_sun): Add test_text.
2870
2871Sun May 21 16:42:31 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2872
2873	* combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
2874	not a PARALLEL.
2875
28762000-05-20  Alexandre Oliva  <aoliva@cygnus.com>
2877
2878	* config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
2879	* config/mn10300/mn10300.c (print_operand): Likewise.
2880
2881	* final.c (split_double): Right shift of negative values is not
2882	portable.
2883
2884	* ifcvt.c (if_convert): Scan and kill dead code.
2885
2886	* emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2887
28882000-05-20  Zack Weinberg  <zack@wolery.cumb.org>
2889
2890	* diagnostic.c: Eliminate implicit int.
2891	* except.c, gcc.c: Add static prototypes.
2892	* final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
2893	* gensupport.c (process_rtx): Use XVEC to initialize vector
2894	slot of 'split'.
2895
2896	* print-rtl.c: If DEBUG_REGISTER_NAMES, define static
2897	debug_reg_names instead of static reg_names.  If not, define
2898	global reg_names.
2899	* regclass.c: Don't define global reg_names unless
2900	DEBUG_REGISTER_NAMES is defined.
2901
2902	* reload1.c (order_regs_for_reload): Remove unused variable.
2903	* varasm.c: Include output.h after defaults.h.  Define
2904	eh_frame_section as function of no args, not of unspecified args.
2905
2906	* gcc.c: Constify argbuf; arguments to store_arg,
2907	process_command, main; elements of struct command and struct
2908	switchstr; local variables in execute, process_command, main.
2909
29102000-05-20  Bruce Korb  <bkorb@gnu.org>
2911
2912	* fixinc/inclhack.def:  many applications of c_fix=format + tests
2913	* fixinc/check.diff:  regenerated
2914	* fixinc/fixincl.x:  regenerated
2915
2916Sat May 20 09:30:55 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2917
2918	* alias.c: Clarify some comments.
2919	(record_base_value): REGNO is unsigned.
2920	* rtl.h (record_base_value): Likewise.
2921
2922	* alias.c (aliases_everything_p): Don't special-case QImode here.
2923	* c-common.c (c_get_alias_set): Do it here.
2924	Handle BIT_FIELD_REF by getting alias info for arg.
2925	Use POINTER_TYPE_P.
2926
29272000-05-20  Alexandre Oliva  <aoliva@cygnus.com>
2928
2929	* mklibgcc.in: Restore rule to create ${dir}.
2930
2931Sat May 20 08:45:41 2000  H.J. Lu  <hjl@gnu.org>
2932
2933	* Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
2934	GCC_FOR_TARGET used by MULTILIBS.
2935	* mklibgcc.in: Make sure each .o file depends on the
2936	directory it will be in.
2937	Make the multilib directory depends libgcc.
2938
2939Sat May 20 08:29:28 2000  H.J. Lu  <hjl@gnu.org>
2940
2941	* Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
2942
2943Sat May 20 07:27:35 2000  Alexandre Oliva  <aoliva@cygnus.com>
2944
2945	* fold-const.c (make_range): Handle degenerated intervals.
2946	Fixes c-torture/execute/991221-1.c
2947
2948Fri May 19 18:16:31 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2949
2950	* cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
2951	* reload.c (find_equiv_reg): Likewise.
2952	* alias.c (init_alias_analysis): Likewise.
2953	Only call prologue_epilogue_contains on insns.
2954	* basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
2955	* bb-reorder.c (hard-reg-set.h): Include earlier.
2956	* haifa-sched.c (hard-reg-set.h): Likewise.
2957	* ifcvt.c (hard-reg-set.h): Likewise.
2958	* local-alloc.c (hard-reg-set.h): Likewise.
2959	* loop.c (hard-reg-set.h): Likewise.
2960	* predict.c (hard-reg-set.h): Likewise.
2961	* regrename.c (hard-reg-set.h): Likewise.
2962	* flow.c (hard-reg-set.h): Likewise.
2963	(reg_set_to_hard_reg_set): New function.
2964	* bitmap.c (regs.h, basic-block.h): No longer include.
2965	(bitmap.h): Now include.
2966	* conflict.c (hard-reg-set.h): Include.
2967	* profile.c (hard-reg-set.h): Likewise.
2968	* print-rtl.c (hard-reg-set.h): Likewise.
2969	* sbitmap.c (hard-reg-set.h): Likewise.
2970	* toplev.c (hard-reg-set.h): Likewise.
2971	* unroll.c (hard-reg-set.h, basic-block.h): Likewise.
2972	* hard-reg-set.h (reg_names): Now constant.
2973	* regs.h (reg_names): Likewise.
2974	* regclass.c (reg_names): Likewise.
2975	* loop.h (basic-block.h): No longer include.
2976	(bitmap.h): Now include.
2977	* reload1.c (order_regs_for_reload): Avoid loop over reg sets.
2978	* Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
2979	(toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
2980
29812000-05-19  Jan Hubicka  <jh@suse.cz>
2982	    Richard Henderson  <rth@cygnus.com>
2983
2984	* basic-block.h (struct edge_def): New field "count".
2985	(struct basic_block_def): Likewise.
2986	* flow.c (entry_exit_blocks): Add count fileds.
2987	(split_edge): Keep count information up-to-date.
2988	(dump_edge_info, dump_flow_info): Dump count fields.
2989
2990	* final.c (count_instrumented_edges): Rename to edge from arc.
2991	(end_final): Update users.
2992	* profile.c: Include expr.h, basic-block.h.
2993	(struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
2994	(struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
2995	(ignore_next_note, return_label_execution_count): Kill.
2996	(bbg_file_name, da_file_name): Kill.
2997	(edge_info, bb_info): New structures.
2998	(EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
2999	(count_instrumented_edges, total_num_edges): Rename to edge from arc.
3000	(total_num_edges_instrumented): Likewise.
3001	(init_arc, expand_spanning_tree): Kill.
3002	(fill_spanning_tree, tablejump_entry_p): Kill.
3003	(instrument_edges):  Rewrite from instrument_arcs to use
3004	commit_edge_insertions infrastructure.
3005	(compute_branch_probabilities): Remove arguments; rewrite for
3006	CFG infrastructure; use rtl_dump_file directly.
3007	(branch_prob, find_spanning_tree): Likewise.
3008	(union_groups, find_group): New.
3009	(init_branch_prob): Make bbg_file_name and da_file_name local.
3010	(end_branch_prob): Use rtl_dump_file directly.
3011	(init_edge_profiler): Rename to edge from arc.
3012	(output_arc_profiler): Kill.
3013	(gen_edge_profiler): New.
3014	(output_func_start_profiler): Turn off profiling.  Make the
3015	constructor static when we can.
3016	* rtl.h (branch_prob, end_branch_prob): Update prototypes.
3017
3018	* toplev.c (DFI_flow): Remove.
3019	(DFI_cfg, DFI_life): New.
3020	(dump_file): Update accordingly.
3021	(compile_file): Call end_branch_prob if profile_arc_flag too.
3022	(rest_of_compilation): Move flow1 cfg creation to DFI_cfg.  Do edge
3023	profiling after the CFG is built.  Move flow1 life analysis to
3024	DFI_life.  Always estimate remaining probabilities.
3025
30262000-05-19  Richard Henderson  <rth@cygnus.com>
3027
3028	* ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
3029
3030	* flow.c (make_edges): The sibling call edge to exit is abnormal.
3031
30322000-05-19  Richard Henderson  <rth@cygnus.com>
3033
3034	* jump.c (redirect_jump): Add delete_unused argument.  Don't
3035	remove labels and code following when LABEL_NUSES goes to zero.
3036	(invert_jump): Likewise.
3037	(jump_optimize_1): Fix redirect/invert arguments.
3038	(do_cross_jump, thread_jumps): Likewise.
3039	* flow.c (split_edge): Likewise.
3040	* reorg.c (optimize_skip): Likewise.
3041	(reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
3042	* profile.c (instrument_arcs): Likewise.
3043	* loop.c (find_and_verify_loops): Likewise.  Fix indentation.
3044	* rtl.h: Update prototypes.
3045
3046Fri May 19 12:05:13 2000  Clinton Popetz  <cpopetz@cygnus.com>
3047
3048	* ssa.c (convert_from_ssa): Tell life_analysis we need death
3049	notes.
3050	(make_regs_equivalent_over_bad_edges): Only look at abnormal
3051	critical edges.
3052
30532000-05-19  Zack Weinberg  <zack@wolery.cumb.org>
3054
3055	* cpphash.c (funlike_macroexpand): Make sure not to walk p1
3056	past l1 when deleting whitespace and markers.
3057
3058	* cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
3059	* cpplib.c (do_unassert): Put the list to compare against on
3060	the stack.
3061
30622000-05-19  Bruce Korb  <bkorb@gnu.org>
3063
3064	* fixinc/README:  cleaned up old documentation
3065	* fixinc/check.diff: regenerated & verified on OSR5 on ix86
3066	* fixinc/check.tpl: compute the list of needed directories
3067	emit "#if defined(name)" because of conflict
3068	omit machine name differences from output differences
3069	* fixinc/inclhack.def( m88k_multi_incl ):  Use `wrap' function
3070	(machine_name): change test text to use `sed' markers
3071	* fixinc/fixincl.x: regen
3072
3073Fri May 19 06:49:35 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3074
3075	* config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
3076	a CONSTRUCTOR.
3077
30782000-05-18  Chris Demetriou  <cgd@sibyte.com>
3079
3080	* gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
3081	it to match the current practice.
3082
30832000-05-18  Mark Mitchell  <mark@codesourcery.com>
3084
3085	* Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
3086
30872000-05-18  Richard Henderson  <rth@cygnus.com>
3088
3089	* rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
3090	* rtl.h (insn_dependant_p): Declare it.
3091	* loop.c (strength_reduce): Use it.
3092
30932000-05-18  Alexandre Oliva  <aoliva@cygnus.com>
3094
3095	* config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
3096	16-bit and 64-bit clean-up.
3097
30982000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
3099
3100	* configure.in (*-pc-msdosdjgpp): Set float_format to none.
3101	* configure: Rebuilt.
3102
31032000-05-18  Zack Weinberg  <zack@wolery.cumb.org>
3104
3105	* genopinit.c: Use $ for escape sequences in optab patterns.
3106	Remove backslashes from optab patterns.  Change $A, $B, $C to
3107	expand to (int) whatever instead of just whatever; remove
3108	explicit (int) from all optab patterns.
3109
3110	* gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
3111	* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
3112	genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
3113	genrecog.c: Remove private copies of xmalloc, xrealloc, and
3114	xstrdup.
3115
31162000-05-18  Richard Henderson  <rth@cygnus.com>
3117
3118	* jump.c (jump_optimize_1): Base minimum insn count during
3119	find_cross_jump on BRANCH_COST.
3120
31212000-05-18  Jakub Jelinek  <jakub@redhat.com>
3122
3123	* print-rtl.c (print_rtx): Only print note line number as string
3124	if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
3125	* final.c (final_scan_insn): Do nothing for note line number 0.
3126
31272000-05-18  Jakub Jelinek  <jakub@redhat.com>
3128
3129	* gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
3130	from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
3131	NOTE_INSN_DELETED_LABEL.
3132
31332000-05-18  Nick Clifton  <nickc@cygnus.com>
3134
3135	* config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
3136	uninitialized data in .rodata not .bss, and do not interpret an
3137	error in the initialisation value as meaning that the variable
3138	should be placed in the .bss section.
3139
3140Thu May 18 12:10:18 2000  Philippe De Muyter  <phdm@macqel.be>
3141
3142	* configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
3143	not `$ac_cv_prog_cc_cc_c_o'.
3144	* configure: Regenerated.
3145
31462000-05-18  Chris Demetriou  <cgd@sibyte.com>
3147	    Richard Henderson  <rth@cygnus.com>
3148
3149	* c-common.h (enum c_tree_index): Add g77 type entries.
3150	(g77_integer_type_node, g77_uinteger_type_node): New.
3151	(g77_longint_type_node, g77_ulongint_type_node): New.
3152	* c-decl.c (init_decl_processing): Initialize them.
3153
31542000-05-18  Richard Henderson  <rth@cygnus.com>
3155
3156	* config/h8300/h8300.md (subs patterns): Use %G to negate.
3157
3158	* config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
3159	(small_power_of_two): Likewise; use exact_log2.
3160	(adds_subs_operand, one_insn_adds_subs_operand): Remove.
3161	(output_adds_subs): Remove.
3162	(two_insn_adds_subs_operand): New.
3163	(split_adds_subs): New.
3164	* config/h8300/h8300-protos.h: Update.
3165	* config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
3166	(CONST_OK_FOR_L): Match strict adds operands.
3167	(CONST_OK_FOR_N): Match struct subs operands.
3168	* config/h8300/h8300.md (adds_subs insns): Remove.
3169	(addhi patterns): Output adds/subs directly.
3170	(addsi_h8300h): Likewise.
3171	(addhi/addsi splitters): New.  Decompose two_insn_adds_subs_operand.
3172
31732000-05-18  Zack Weinberg  <zack@wolery.cumb.org>
3174
3175	* cppexp.c (parse_assertion): New.
3176	(lex): Call it for CPP_HASH.  Remove CPP_ASSERTION case.
3177	(_cpp_parse_expr): Remove case '#'.  Don't set
3178	parsing_if_directive.
3179	* cpphash.c (collect_objlike_expansion,
3180	collect_funlike_expansion, collect_params,
3181	_cpp_create_definition): The list no longer has a trailing
3182	VSPACE token.
3183	* cpphash.h (enum node_type): Add T_ASSERTION.
3184	(struct hashnode): Remove aschain, add pred.
3185	(struct predicate): New.
3186	Update prototypes.
3187
3188	* cpplex.c (expand_token_space): Handle both offset and
3189	nonoffset lists.
3190	(init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
3191	(_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
3192	_cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
3193	_cpp_equiv_toklists): New.
3194	(_cpp_scan_line): Rename to _cpp_scan_until; add ability to
3195	stop at any single-character token, not just newline.
3196	(_cpp_lex_token): Remove special cases for #define and #if.
3197	(cpp_get_token): Expect # as a separate token type.  Remove
3198	DIRECTIVE case.
3199	(_cpp_get_directive_token): Remove DIRECTIVE case.
3200	(_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
3201
3202	* cpplib.c (_cpp_check_directive): Set dirno and
3203	SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
3204	(_cpp_handle_directive): Run # <number> through the same logic
3205	as normal directives.
3206	(do_define): Don't set parsing_define_directive.  Use
3207	_cpp_scan_until.  The list does not have a VSPACE at the end.
3208	(do_if): Save, clear, and restore only_seen_white around
3209	_cpp_parse_expr.
3210	(skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
3211	(do_assert, do_unassert): Rewrite.
3212
3213	* cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
3214	(LIST_OFFSET): New flag.
3215	(struct cpp_toklist): Replace dir_handler and dir_flags with
3216	dirno and flags.
3217	(struct cpp_reader): Remove parsing_if_directive and
3218	parsing_define_directive.
3219
32202000-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3221
3222	* fixinc/inclhack.def (broken_cabs): Update fix to handle comments
3223	following the cabs decl which terminate on the following line.
3224	Add the corresponding test_text case.
3225
32262000-05-18  Neil Booth  <NeilB@earthling.net>
3227
3228	* cppinit.c (cpp_reader_init): Initialize col_adjust and
3229	default tab stop size.
3230	(no_num, OPT_ftabstop): New.
3231	(handle_option): Handle "ftabstop=" command-line option.
3232	(print_help): Document it.
3233	* cpplex.c (COLUMN): Remove.
3234	(handle_newline): Reset col_adjust.
3235	(skip_whitespace): Update col_adjust as tabs encountered.
3236	(_cpp_lex_line): Update to use col_adjust.  Call
3237	skip_whitespace for all whitespace.
3238	* cpplib.h (struct cpp_options): New member tabstop.
3239	(struct cpp_reader): New member col_adjust.
3240	(CPP_BUF_COL): Update.
3241	(CPP_BUF_COLUMN): New.
3242	* cpp.texi: Document "-ftabstop=" command line option.
3243
3244Wed May 17 18:19:41 2000  Philippe De Muyter  <phdm@macqel.be>
3245
3246	* configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
3247	files.
3248	* configure: Rebuilt.
3249
3250Wed May 17 18:06:12 2000  John David Anglin <dave@hiauly1.hia.nrc.ca>
3251
3252	* mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
3253
3254	* tree.c (build_common_tree_nodes): Do not build TI nodes unless
3255	HOST_BITS_PER_WIDE_INT is >= 64.
3256
32572000-05-17  Richard Henderson  <rth@cygnus.com>
3258
3259	* jump.c (jump_optimize_1): Remove inactive but real insns
3260	in jump-to-next-insn optimization.
3261
32622000-05-17  Richard Henderson  <rth@cygnus.com>
3263
3264	* toplev.c (rest_of_compilation): Don't call optimize_mode_switching
3265	unless OPTIMIZE_MODE_SWITCHING.  Conditionally set no_new_pseudos.
3266	Don't call recompute_reg_usage if no_new_pseudos is true.
3267	* lcm.c (optimize_mode_switching): Move ifdefs outside function.
3268	Return true if we did work; update global life information.
3269	* basic-block.h (optimize_mode_switching): Update decl.
3270
32712000-05-17  Neil Booth  <neilb@earthling.net>
3272
3273	* cpplex.c (expand_name_space): Don't use ptrdiff_t.
3274
32752000-05-17  Zack Weinberg  <zack@wolery.cumb.org>
3276
3277	* cpplib.c: New feature, #pragma system_header.
3278	* cpp.texi: Document special treatment of system headers, and
3279	the various mechanisms to get a header that special treatment.
3280
32812000-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3282
3283	* system.h (offsetof): Define at the very end, to ensure we prefer
3284	the platform's definition if available.
3285
32862000-05-16  Bruce Korb  <bkorb@gnu.org>
3287
3288	* fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
3289	* fixinc/server.c: likewise
3290	* fixinc/fixfixes.c( char_macro_def_fix ): fix regex
3291	+ #ifdef debugging code + use #def constant for
3292	sub-pattern count
3293	* fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
3294	on C++ math namespace
3295
32962000-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3297
3298	* fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
3299	Don't check the return value of sprintf.  Use asprintf to avoid
3300	buffer overflows.
3301
3302Wed May 17 17:27:44 2000  Andrew Cagney  <cagney@b1.cygnus.com>
3303
3304	* flags.h (warn_unused_function, warn_unused_label,
3305	warn_unused_parameter, warn_unused_variable, warn_unused_value):
3306	Replace ``warn_unused''.
3307	(set_Wunused): Add declaration.
3308	* toplev.c (set_Wunused): New function.
3309	(warn_unused_function, warn_unused_label, warn_unused_parameter,
3310	warn_unused_variable, warn_unused_value): New variables.
3311	(W_options): Add -Wunused-function, -Wunused-function,
3312	-Wunused-label, -Wunused-parameter, -Wunused-variable and
3313	-Wunused-value.  Delete -Wunused.  Handled in decode_W_option.
3314
3315	* toplev.c (decode_W_option): Update -Wunused flags by calling
3316	set_Wunused.
3317	* c-decl.c (c_decode_option): Ditto for -Wall.
3318
3319	* stmt.c (expand_expr_stmt, expand_expr_stmt,
3320	warn_about_unused_variables): Replace warn_unused with more
3321	explicit warn_unused_value et.al.
3322	* function.c (expand_function_end): Ditto.
3323	* c-typeck.c (internal_build_compound_expr,
3324	internal_build_compound_expr): Ditto.
3325	* c-decl.c (poplevel, pop_label_level): Ditto.
3326	* toplev.c (check_global_declarations): Replace warn_unused with
3327	check for either warn_unused_function or warn_unused_variable.
3328
3329	* gcc.1, invoke.texi (Warning Options): Document
3330	-Wunused-function, -Wunused-function, -Wunused-label,
3331	-Wunused-parameter, -Wunused-variable and -Wunused-value options.
3332
3333Wed May 17 10:28:12 2000  Philippe De Muyter  <phdm@macqel.be>
3334
3335	* mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
3336	$(srcdir), not in the current directory.
3337
33382000-05-16  Richard Henderson  <rth@cygnus.com>
3339
3340	* config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
3341	assembler supports it.
3342	(.fini, .init): Use a gp-relative indirect call.
3343	(__do_global_dtors_aux): Preserve the gp; rebundle.
3344	(__do_frame_setup): Likewise.
3345	* config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
3346	(.init): Use a gp-relative indirect call.
3347	(__do_global_ctors_aux): Preserve the gp.
3348
33492000-05-16  Richard Henderson  <rth@cygnus.com>
3350
3351	* flow.c (commit_one_edge_insertion): Be prepared for a return
3352	insn to be inserted on the edge with a normal jump.
3353	* jump.c (jump_optimize_1): Don't look to create return isns.
3354
3355	* flow.c (flow_delete_insn): Don't adjust reference count of notes.
3356	* jump.c (jump_optimize_1): Likewise.
3357	(returnjump_p): Verify the argument is a JUMP_INSN.
3358	* rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
3359
33602000-05-16  Nick Clifton  <nickc@cygnus.com>
3361
3362	* config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
3363	GET_RTX_CLASS (GET_CODE ()) == 'i'.
3364	(large_insn_p): Ditto.
3365	(m32r_is_insn): New function: Return true if the insn contains
3366	an executable instruction.
3367	(m32r_adjust_insn): Use m32r_is_insn.
3368	(m32r_sched_reorder): Use m32r_is_insn.
3369	(m32r_sched_variable_issue): Use m32r_is_insn.
3370
33712000-05-16  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3372
3373	* rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
3374	VAR_DECL.
3375
3376	* rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
3377
3378	* rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
3379	according to given options.
3380
3381Tue May 16 12:17:31 2000  Jeffrey A Law  (law@cygnus.com)
3382
3383	* mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
3384	if X has VOIDmode either.
3385	(LIMIT_RELOAD_CLASS): Similarly.
3386
3387	* mn10200.md (indirect_jump, tablejump): Use "register_operand",
3388	not "general_operand" to match the processor's capabilities.
3389
33902000-05-16  Bruce Korb  <bkorb@gnu.org>
3391
3392	* fixinc/README:  corrected return address
3393	* fixinc/check.diff:  regenerate, now that test works
3394	* fixinc/fixfixes.c(format_fix,format_write): reformatted
3395	(char_macro_def_fix,char_macro_use_fix): corrected and
3396	rewrote to use regex to parse the text
3397	* fixinc/inclhack.def: more testing
3398	* fixinc/fixincl.x:  regenerated
3399
3400	* fixinc/inclhack.def: added several "test_text" attributes
3401	changed several fixes to use `c_fix = format'
3402	re-alphabetized the fixes
3403
3404	* fixinc/check.diff: regenerate
3405	* fixinc/fixincl.x: regenerate
3406	* fixinc/check.tpl: added `sparc' and `netinet' to the list
3407	of created dirs
3408
3409
34102000-05-16  Alexandre Oliva  <aoliva@cygnus.com>
3411
3412	* config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3413
34142000-05-15  Richard Henderson  <rth@cygnus.com>
3415
3416	* toplev.c (rest_of_compilation): Run full jump pass before
3417	find_basic_blocks of flow2.
3418
34192000-05-15  Richard Henderson  <rth@cygnus.com>
3420
3421	* jump.c: Fix typos and clarify commentary from last change.
3422	(any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3423	(safe_to_remove_jump_p): Remove.
3424	(condjump_label): Use pc_set.
3425
34262000-05-15  Richard Henderson  <rth@cygnus.com>
3427
3428	* ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3429	that get in the way after reload.
3430	(cond_exec_process_if_block): Skip a label heading THEN block.
3431
34322000-05-15  Richard Henderson  <rth@cygnus.com>
3433
3434	* varasm.c (output_constant_pool): Abort instead of converting
3435	(improperly) deleted labels to zero.
3436
34372000-05-16  Neil Booth  <NeilB@earthling.net>
3438
3439	* cpplex.c (parse_string2): Update comment.
3440	(cpp_lex_line): No special assertion treatment for '('.
3441	* cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3442	* cpplib.h (SYNTAX_ASSERT): Remove.
3443
3444Mon May 15 21:45:36 MET DST 2000  Jan Hubicka  <jh@suse.cz>
3445
3446	* jump.c (condjump_p):  Mark as depreached.
3447	(any_condump_p): New.
3448	(any_uncondump_p): New.
3449	(pc_set): New.
3450	(safe_to_remove_jump_p): New.
3451	* rtl.h (any_condump_p, any_uncondjump_p, pc_set
3452	safe_to_remove_jump_p): Declare.
3453
3454Mon May 15 21:07:20 MET DST 2000  Jan Hubicka  <jh@suse.cz>
3455
3456	* calls.c: Re-install both patches reverted by last patch.
3457	(struct arg_data): New field tail_call_reg.
3458	(initialize_argument_information): Initialize tail_call_reg
3459	(load_register_parameters): New argument flags, use
3460	tail_call_reg when emiting tail call sequence.
3461	(expand_call): Update call of load_register_parameters;
3462	copy unadjusted_args_size to adjusted_args_size.
3463
3464Mon May 15 19:01:42 MET DST 2000  Jan Hubicka  <jh@suse.cz>
3465
3466	* loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3467	and bct_p parameters to flags.
3468	* loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3469	* rtl.h (loop_optimize): Update prototype.
3470	* toplev.c (rest_of_compilation): Update call of loop_optimize.
3471
34722000-05-15  Jakub Jelinek  <jakub@redhat.com>
3473
3474	* calls.c (expand_call): Move expand_start_target_temps call after
3475	start_sequence().
3476
34772000-05-15  Neil Booth  <NeilB@earthling.net>
3478
3479	* cpphash.c (trad_stringify, warn_trad_stringify,
3480	collect_params): Make some pointers pointers to const.
3481	* cpplex.c (auto_expand_name_space) Guaranteed to always
3482	expand by at least one character.
3483	(SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3484	(struct token_spelling): Use const U_CHAR * rather than PTR.
3485	(expand_name_space): Fix up token pointers if name space
3486	is moved when expanding.
3487	(INIT_NAME, cpp_scan_line, parse_name, parse_number,
3488	parse_string2, save_comment, spell_token, cpp_output_list):
3489	Update so the routines handle tokens with a direct pointer to
3490	their text, rather than an offset into the token's list's namebuf.
3491	(_cpp_lex_line): Rearrange for clarity.
3492
3493	* cpplib.c (_cpp_check_directive): Similarly.
3494	(do_define): Make SYM a pointer to const.
3495	* cpplib.h (struct cpp_name): Replace offset with direct pointer.
3496	(CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3497	(TOK_OFFSET): Delete.
3498	(TOK_NAME): Update.
3499
35002000-05-14  Geoffrey Keating  <geoffk@cygnus.com>
3501
3502	* config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3503	64-bit ABI.
3504
3505	* config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3506	into account.
3507	(logical_u_operand): Delete.
3508	(non_logical_cint_operand): Rewrite to take MODE into account.
3509	(non_logical_u_cint_operand): Delete.
3510	(boolean_operator): New function.
3511	(print_operand): Add new %q operand.
3512	* config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3513	remove logical_u_operand and non_logical_u_cint_operand,
3514	update logical_operand and non_logical_cint_operand.
3515	* config/rs6000/rs6000.md: Rewrite the patterns for performing
3516	logical operations to use %q.
3517
3518	* config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3519	(movdi): Make similar to movsi.
3520	* config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3521	is no such thing as a DImode CONST_DOUBLE.
3522	* config/rs6000/rs6000.c (output_toc): Likewise.
3523
3524	* config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3525	codes when old mnemonics are in use.  Print register names
3526	for cc registers when requested.
3527
3528	* optabs.c (expand_float): Don't allow mode widening that causes
3529	double rounding.
3530
3531	* invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3532	flags to their current names -maix64 and -maix32.
3533
35342000-05-14  Bruce Korb  <bkorb@gnu.org>
3535
3536	* fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
3537	and/or after current text of file
3538	* fixinc/fixlib.c(must_malloc):
3539	* fixinc/fixlib.h(must_malloc): + reformatting
3540	* fixinc/inclhack.def: replace the "1i" and "$a" sed commands
3541	with usages of ``c_fix = wrap;''
3542	Add several tests and use the ``c_fix = format'' fixer more.
3543	* fixinc/fixincl.x: regen
3544	* fixinc/check.diff: regen
3545	* fixinc/check.tpl: emit the associated header with the missing
3546	test message
3547
3548Sun May 14 17:58:59 2000  Hans-Peter Nilsson  <hp@axis.com>
3549
3550	* mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
3551	variables $src and $dst.
3552
35532000-05-13  Gabriel Dos Reis <gdr@codesourcery.com>
3554
3555	* diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
3556	(DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
3557	(DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
3558	(struct output_buffer: emitted_prefix_p, prefixing_rule): New
3559	fields.
3560	(set_message_prefixing_rule): Declare.
3561
3562	* diagnostic.c: (current_prefixing_rule): New variable.
3563	(set_message_prefixing_rule): Define.
3564	(output_set_prefix): Adjust buffer->emitted_prefix_p.
3565	(init_output_buffer): Adjust Initialization.
3566	(output_emit_prefix): Rewrite.  Take prefixing rules into account.
3567
3568Sat May 13 11:05:47 2000  Philippe De Muyter  <phdm@macqel.be>
3569
3570	* ifcvt.c (if_convert): Do not free NULL.
3571
35722000-05-12  H.J. Lu  (hjl@gnu.org)
3573
3574	* gthr-dce.h: Add support for libobjc.
3575	* gthr-posix.h: Likewise.
3576	* gthr-solaris.h: Likewise.
3577	* gthr-vxworks.h: Likewise.
3578	* gthr-single.h: Likewise.
3579	* gthr-win32.h: Likewise.
3580
35812000-05-12  Nick Clifton  <nickc@cygnus.com>
3582
3583	* config/fr30/fr30.c (fr30_move_double): New function:  Emit code
3584	to move a double word value.
3585	(di_operand): New function: Return true if the operand is suitbale
3586	for a double word move operation.
3587	(nonimmediate_di_operand): New function: Return true if the
3588	operand is a DImode register or MEM.
3589
3590	* config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
3591	nonimmediate_di_operand.
3592
3593	* config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
3594	nonimmediate_di_operand.
3595
3596	* config/fr30/fr30.md (movdi): New pattern.  Required because
3597	other patterns generate DImode results.
3598	(movdi_insn): New pattern.
3599
36002000-05-12  Richard Henderson  <rth@cygnus.com>
3601
3602	* config/alpha/alpha.c (struct shadow_summary): Define
3603	bitfields as type unsigned int.
3604
3605Sat May 13 00:09:59 2000  Denis Chertykov  <denisc@overta.ru>
3606
3607	* config/avr/t-avr: Added definition of FLOAT while generates
3608	fp-bit.c
3609
3610	* config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
3611	peepholes for tst+jump = sbrs/sbrc optimization.
3612
3613Fry May 12 20:03:00 CEST 2000  Jan Hubicka  <jh@suse.cz>
3614
3615	* expr.c (emit_push_insn): Do not adjust stack pointer when
3616	preallocating.
3617
3618Fri May 12 19:03:58 2000  Philippe De Muyter  <phdm@macqel.be>
3619
3620	* ggc-simple.c (offsetof): Macro fallback definition moved from here ..
3621	* system.h (offsetof): ... to here.
3622
36232000-05-12  Richard Henderson  <rth@cygnus.com>
3624
3625	* Makefile.in (final.o): Depend on BASIC_BLOCK_H.
3626	* final.c (final_end_function): Use app_disable.  Rearrange note
3627	handling into a switch.  Emit deleted labels.
3628	(output_asm_label): Generate label strings for deleted labels.
3629	* flow.c (tail_recursion_label_list): New.
3630	(find_basic_blocks_1): Set label_value_list directly.  Collect list
3631	of tail recursion labels from call_placeholders.  Don't add deleted
3632	labels to the label value list.
3633	(cleanup_cfg): Use free_EXPR_LIST_list.
3634	(flow_delete_insn_chain): Turn non-removable labels into notes.
3635	(flow_delete_block): Don't disable deleting the block because of
3636	a non-removable label.
3637	(tail_recursion_label_p): New.
3638	(merge_blocks_move_predecessor_nojumps): Don't disable the merge
3639	because of a label.
3640	(merge_blocks_move_successor_nojumps): Likewise.  Also move a
3641	jump table.
3642	(merge_blocks): Disable a merge because of tail recursion labels.
3643	* ifcvt.c (merge_if_block): Don't disable a merge because of a label.
3644	Use a more accurate measure of not merging the join block.
3645	(find_if_block): Don't disable conversion because of a label.
3646	(find_if_case_1, find_if_case_2): Likewise.
3647	* jump.c (duplicate_loop_exit_test): Preserve the kind of list
3648	element when copying.
3649	(squeeze_notes): Also leave EH notes.
3650	(mark_jump_label): Ignore deleted labels.  Use an INSN_LIST for
3651	REG_LABEL notes.
3652	(delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
3653	deleting a label.
3654	* print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
3655	NOTE_INSN_DELETED_LABEL.  Print `[# deleted]' for a label_ref
3656	referring to a deleted label.  Convert tail handling to a switch.
3657	* rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
3658	for NOTE_INSN_DELETED_LABEL.
3659	(NOTE): Fix commentary.
3660	* rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
3661	(REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
3662	(CODE_LABEL_NUMBER, LABEL_NAME): Update index.
3663	(LABEL_NUSES, LABEL_REFS): Likewise.
3664	* unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
3665
36662000-05-12  Bruce Korb  <bkorb@gnu.org>
3667
3668	* fixinc/fixfixes.c(format_write): buglet & relaxed rules
3669	* fixinc/check.diff: updated
3670	* fixinc/inclhack.def: corrected & added some test_text-s
3671	* fixinc/genfixes: removed unneeded options to autogen invocation
3672	* fixinc/fixincl.tpl: Specified the output file
3673	* fixinc/fixfixes.c: visual appearance
3674	* fixinc/fixincl.x: regenerate
3675
36762000-05-12  Zack Weinberg <zack@wolery.cumb.org>
3677
3678	* fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
3679	CTRL_defn_fix): Delete.
3680	(fix_char_macro_defines, fix_char_macro_uses): Rename to
3681	char_macro_def_fix and char_macro_use_fix, respectively.  Put
3682	them into the FIXUP_TABLE.  Get the string to search for from
3683	a c_fix_arg.
3684
3685	(format_write): New function.
3686	(format_fix): Use it.
3687
3688	(FIX_PROC_HEAD): Constify text parameter.
3689	(machine_name_fix): Constify all char *s.
3690	* fixtests.c (skip_quote): Remove double static.
3691
3692	* inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
3693	ctrl_use_quotes): Update for new scheme.
3694	* fixincl.x: Regenerate.
3695
36962000-05-12  Alexandre Oliva  <aoliva@cygnus.com>
3697
3698	* config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
3699	DWARF2_DEBUG.
3700	(DWARF2_ASM_LINE_DEBUG_INFO): Define.
3701	(ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3702
37032000-05-11  Robert Lipe <robertlipe@usa.net>
3704
3705	* fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
3706	* fixincl.x: Regenerate.
3707
37082000-05-11  Richard Henderson  <rth@cygnus.com>
3709
3710	* calls.c: Revert both 05-09 patches.
3711
37122000-05-11  Alexandre Oliva  <aoliva@cygnus.com>
3713
3714	* config/mn10300/mn10300.c (print_operand): Print FP constants in
3715	hexadecimal.
3716	* config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
3717	for FP values.
3718
3719	* mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
3720	and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
3721
37222000-05-11  Jason Merrill  <jason@casey.cygnus.com>
3723
3724	* fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
3725
37262000-05-11  Zack Weinberg  <zack@wolery.cumb.org>
3727
3728	* fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
3729
3730Thu May 11 22:28:05 2000  Denis Chertykov  <denisc@overta.ru>
3731
3732	* config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
3733	* config/avr/avr.c (jump_over_one_insn_p): New function.
3734	* config/avr/avr.md: New peepholes added. Output test and
3735	conditional jump to "sbrc" or "sbrs" command.
3736
37372000-05-11  Mark Elbrecht  <snowball3@bigfoot.com>
3738
3739	* cppmain.c (main): Use IS_DIR_SEPARATOR.
3740
37412000-05-11  Jakub Jelinek  <jakub@redhat.com>
3742
3743	* except.c (find_exception_handler_labels_1): New function.
3744	(find_exception_handler_labels): Split into two functions, dive
3745	into CALL_PLACEHOLDERs when looking for exception handler labels.
3746
37472000-05-11 Stan Cox <scox@cygnus.com>
3748
3749	* regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
3750	* timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
3751	* toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
3752
37532000-05-11  Bruce Korb  <bkorb@gnu.org>
3754
3755	* fixinc/fixfixes.c (double_slash_fix):  obsolete
3756	(else_endif_label_fix): obsolete
3757	(format_fix):  new, unused as yet
3758	(main): obsolete
3759	* fixinc/fixlib.h: added fix description struct for use by format_fix
3760	* fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
3761	* fixinc/Makefile.in:  compile fixfixes.c and fixtests.c as separate
3762	modules.  Removed the vestiges of the script version.
3763	Added support for "make check".
3764	* fixinc/check.diff: base diff file (needs work!!)
3765	* fixinc/check.tpl: quiet the fixup output
3766	* fixinc/fixtests.c (main): obsolete
3767	* fixinc/fixincl.sh:  don't bother copying fixincl to ..
3768	* fixinc/fixincl.tpl:  provide for arguments to c_fix routines
3769
3770Thu May 11 11:57:02 MET DST 2000  Jan Hubicka <jh@suse.cz>
3771
3772	* toplev.c (rest_of_compilation): Remove dead code after
3773	combine.
3774
37752000-05-11  Zack Weinberg  <zack@wolery.cumb.org>
3776
3777	* cpphash.c (collect_funlike_expansion): Make "# is not
3778	followed by a macro argument name" a pedwarn, not an error.
3779	Preserve the # in the output.  Suppress the warning if lang_asm.
3780
3781Thu May 11 01:19:31 2000  Jeffrey A Law  (law@cygnus.com)
3782
3783	* configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
3784	* configure: Rebuilt.
3785
37862000-05-10 Laurynas Biveinis <lauras@softhome.net>
3787
3788	* i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
3789
37902000-05-10  Kazu Hirata  <kazu@hxi.com>
3791
3792	* combine.c (try_combine): Fix a typo.
3793
3794Wed May 10 21:31:44 2000  Jim Wilson  <wilson@cygnus.com>
3795
3796	* config/ia64/ia64.md (insv): Add comment.
3797
37982000-05-10  Richard Henderson  <rth@cygnus.com>
3799
3800	* Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
3801	* mklibgcc.in: Rewrite to not use functions.  Don't shortcut
3802	dependencies on FPBIT and DPBIT.
3803
38042000-05-10  Nick Clifton  <nickc@redhat.com>
3805
3806	* flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
3807	when optimising for size.
3808	(mark_used_regs:) Ditto.
3809	(try_pre_increment_1): Ditto.
3810
38112000-05-10  Zack Weinberg  <zack@wolery.cumb.org>
3812
3813	* cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
3814	Make error message friendlier.
3815
3816	* cpphash.h (struct hashnode): Use struct hack for name
3817	member.
3818	* cpphash.c (struct hashdummy): New.
3819	(eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
3820	(make_HASHNODE): No need to set ->name pointer.  Correct
3821	setting of p.
3822	(cpp_lookup): Make 'dummy' a struct hashdummy.  Tidy up a bit.
3823
38242000-05-10  Richard Henderson  <rth@cygnus.com>
3825
3826	* flow.c (find_basic_blocks_1): Remove any spare bb_note
3827	after completion.
3828
38292000-05-10  Bruce Korb  <bkorb@gnu.org>
3830
3831	* fixinc/gnu-regex.c:  reg_syntax_t re_syntax_options must be static
3832
38332000-05-10  Eric Schweitz  <schweitz@nortelnetworks.com>
3834
3835	* dwarfout.c (dwarfout_finish): Call retry_incomplete_types
3836	after we enter .debug.
3837
38382000-05-10  Jason Merrill  <jason@casey.cygnus.com>
3839
3840	* dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
3841	abstract instance of a nested inline function.
3842
3843	* stor-layout.c (finish_record_layout): finalize_type_size
3844	before laying out the pending_statics.
3845
3846Wed 10 May 09:36:47 2000  Neil Booth  <NeilB@earthling.net>
3847
3848	* cpplex.c (spell_token): New function.
3849	(spell_string, spell_comment, spell_name): fold into
3850	spell_token.
3851	(I, S): Add macros.
3852	(E, H): Remove macros.
3853	(save_comment): Save comment opening characters too.
3854	(_cpp_lex_file): Update to use spell_token.  Tidy up comment
3855	handling.
3856	* cpplib.h (I, S): Add macros.
3857	(E, H): Remove macros.
3858	(TTYPE_TABLE): Update entries for new speller.
3859	(SYNTAX_ASSERT): Remove.
3860
3861Wed 10 May 09:08:30 2000  Neil Booth  <NeilB@earthling.net>
3862
3863	* cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
3864	when removing escaped newlines.  Reverse sense of test for
3865	escaped newline.
3866
38672000-05-09  Richard Henderson  <rth@cygnus.com>
3868
3869	* flow.c (find_basic_blocks_1): Do not delete the first
3870	bb_note we run across.
3871	(create_basic_block): Use reorder_insns to move an existing
3872	bb_note to the correct place.
3873
38742000-05-09  Richard Henderson  <rth@cygnus.com>
3875
3876	* calls.c (expand_call): Increment currently_expanding_call
3877	before calling optimize_tail_recursion.
3878
3879Tue May  9 18:54:16 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3880
3881	* reload1.c (reload_combine): Fix errors in last change.
3882
38832000-05-09  Zack Weinberg  <zack@wolery.cumb.org>
3884
3885	* gcc.c (used_arg): Skip over a semicolon at the end of the
3886	split-up loop; don't break out of it.
3887
3888	* Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
3889	(tree.o): Depend on output.h.
3890
3891	* c-decl.c (pending_invalid_xref_file,
3892	current_function_prototype_file): Constify.
3893	(pushdecl): Constify a local char *.
3894	(define_label): Constify filename parameter.
3895	* c-lex.c (init_parse): Constify parameter and return value.
3896	* c-typeck.c (c_expand_asm_operands): Constify filename parameter.
3897	* c-tree.h: Update prototypes.
3898	* c-parse.in: Constify filename member of %union, and if_stmt_file.
3899	* c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
3900	objc/objc-parse.c: Regenerate.
3901
3902	* dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
3903	* dwarfout.h: Update prototypes.
3904	* expr.c (expand_expr): Constify a local char *.
3905	* flags.h: Constify main_input_filename.
3906	* function.c (expand_function_end): Constify filename parameter.
3907	* genrecog.c (make_insn_sequence): Use a character array for
3908	c_test_pos.
3909	(main): Remove unused variables.
3910	* input.h: Constify input_filename, main_input_filename, and
3911	file_stack.name.  Update prototypes.
3912	* output.h: Declare first_global_object_name and
3913	weak_global_object_name here, as const char *.
3914	* stmt.c (expand_asm_operands): Constify filename parameter.
3915	* toplev.c (compile_file, push_srcloc, debug_start_source_file):
3916	Constify filename parameter.
3917	(input_filename, main_input_filename): Constify.
3918	* toplev.h: Update prototypes.
3919	* tree.c: Include output.h.  Don't declare
3920	first_global_object_name or weak_global_object_name.  Clean up string
3921	bashing in get_file_function_name_long.
3922	* tree.h (struct tree_decl): Constify filename member.
3923	(input_filename): Constify.
3924	Update prototypes.
3925	* varasm.c (first_global_object_name, weak_global_object_name):
3926	Constify.
3927	(assemble_start_function, assemble_variable): Clean up string bashing.
3928
3929	* gcc.c: Constify all spec-related strings initialized,
3930	transitively, from string constants.  Constify all strings
3931	and string variables related to multilibs.
3932	(set_spec, read_specs): Cast argument to free to PTR.
3933	(used_arg): Do not modify multilib_matches.  Use strncmp plus
3934	length comparison to compare multilib switches.
3935	* genmultilib: Constify everything declared in multilib.h.
3936
3937Tue May  9 22:28:03 2000  Denis Chertykov  <denisc@overta.ru>
3938
3939	* flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
3940	as deleted.
3941
3942Tue May  9 20:52:43 2000  Denis Chertykov  <denisc@overta.ru>
3943
3944	* config/avr/avr-protos.h (extra_constraint): change a type of
3945	second argument from char to int to avoid warnings.
3946	(asm_output_byte): Likewise.
3947
3948	* config/avr/avr.c (MAX_LD_OFFSET) New macro.
3949	(initial_elimination_offset): Handle elimination from
3950	FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
3951	(legitimate_address_p): Use MAX_LD_OFFSET.
3952	(legitimize_address): Likewise.
3953	(out_movqi_r_mr): Likewise.
3954	(out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
3955	(out_movsi_r_mr): Use MAX_LD_OFFSET.
3956	(out_movsi_mr_r): Likewise.
3957	(out_movqi_mr_r): Likewise.
3958	(out_movhi_mr_r): Likewise.
3959	(notice_update_cc): Correct CC for the ashrqi3 with the shift
3960	count as CONST_INT != 6.
3961	(ashlqi3_out): Coding style modifications. Run `fatal_insn' if
3962	shift count is a CONSTANT_P, but not a CONST_INT.
3963	(ashlhi3_out): Coding style modifications.
3964	(ashlsi3_out): Likewise.
3965	(ashrhi3_out): Likewise.
3966	(ashrsi3_out): Likewise.
3967	(lshrhi3_out): Likewise.
3968	(lshrsi3_out): Likewise.
3969	(ashrqi3_out): Generate shift for any known constant count without
3970	scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
3971	but not a CONST_INT.
3972	(lshrqi3_out): Coding style modifications. Run `fatal_insn' if
3973	shift count is a CONSTANT_P, but not a CONST_INT.
3974	(extra_constraint): change a type of
3975	second argument from char to int to avoid warnings.
3976	(asm_output_byte): Likewise.
3977	(asm_file_end): Output size generated commands count as a hex
3978	number too.
3979
3980	* config/avr/avr.h (RETURN_ADDR_RTX): New macro.
3981
3982	* config/avr/avr.md (addhi3): Fragment commented by &&0 is
3983	removed.
3984	(ashlqi3): Values of "length" attribute changed. Shift count
3985	uses constraints 'n' instead of 'i'.
3986	(ashrqi3): Likewise. Values of "cc" attribute changed. Generate
3987	shifts without clobber register.
3988	(lshrqi3): Shift count uses constraints 'n' instead of 'i'.
3989	(call_insn): Correct test for which_alternative == 1 (was 0).
3990	(call_value_insn): Likewise.
3991
3992	* config/avr/t-avr: Remove definition of FLOAT while generates
3993	fp-bit.c
3994
39952000-05-09  Bruce Korb  <bkorb@gnu.org>
3996
3997	* fixinc/check.tpl:  Template for checking fixes
3998	* fixinc/inclhack.def:  Added 'test_text' for many fixes
3999	disable hpux8_bogus_inlines on SCO
4000	* fixinc/fixinc.sco:  Oh, yes, we don't need this any more.
4001
4002Tue May  9 16:30:27 MET DST 2000  Jan Hubicka  <jh@suse.cz>
4003
4004	* calls.c (expand_call): Reorganize somewhat in order
4005	to avoid unnecesary recalculation inside loop and make
4006	tail call failure code cleaner.
4007
4008Tue May  9 06:30:20 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4009
4010	* alias.c (nonlocal_reference_p): Minor reformatting.
4011	* reload.c (find_equiv_reg): Simplify logic for
4012	CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
4013	some some reformatting.
4014	* reload1.c (reload_combine): Don't assume everything in
4015	CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
4016
40172000-05-08  Richard Henderson  <rth@cygnus.com>
4018
4019	* final.c (current_insn_predicate): New.
4020	(final_scan_insn): Set it.
4021	* output.h (current_insn_predicate): Declare.
4022
4023	* ifcvt.c (cond_exec_process_insns): New argument prob_val.
4024	Attach it to call insns.
4025	(cond_exec_process_if_block): Track probability for true and
4026	false branches.
4027	(dead_or_predicable): Likewise.
4028
4029	* predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
4030	(PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
4031	(PROB_VERY_LIKELY, PROB_ALWAYS): New.
4032	(estimate_probability, expected_value_to_br_prob): Use them.
4033
4034	* config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
4035	* config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
4036	(ia64_expand_prediction): New.
4037	(emit_insn_group_barriers): Don't look at notes.  Emit barriers
4038	as needed after calls.
4039	(ia64_epilogue_uses): Mark b0 used.
4040	* config/ia64/ia64.md (beq_true, beq_false): Remove.
4041	(bne_true, bne_false): Remove.
4042	(eq_return, eq_not_return, ne_return, ne_not_return): Remove.
4043	(br_true, br_false): New.  Use predicate_operator and
4044	ia64_expand_prediction.
4045	(return_true, return_false): Likewise.
4046	(call_internal): Use ia64_expand_prediction.  Don't emit stop bit.
4047	(call_internal1, call_value_internal): Likewise.
4048	(call_value_internal1, call_multiple_values_internal1): Likewise.
4049
4050	* config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
4051
4052	* config/ia64/ia64.md (extendsfdf2): Split only after reload.
4053
40542000-05-08  Richard Henderson  <rth@cygnus.com>
4055
4056	* rtlanal.c (may_trap_p): Consider old-style and volatile
4057	asms to trap.
4058
4059Mon May  8 17:16:48 2000  Jim Wilson  <wilson@cygnus.com>
4060
4061	* config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
4062
40632000-05-08  Richard Henderson  <rth@cygnus.com>
4064
4065	* config/ia64/ia64.h (predicate_operator): Declare.
4066
4067	* config/ia64/ia64.md (extendsfdf2): Split the nop case out
4068	of existence.
4069
4070	* gensupport.c (process_rtx): Copy and post-process each member
4071	of the define_insn rtvec individually.
4072
4073Mon  8 May 22:17:35 2000  Neil Booth  <NeilB@earthling.net>
4074
4075	* cpplex.c (spell_token): New function.
4076	(TOKEN_LEN): Add 1 for whitespace.
4077	(_cpp_lex_file): Update to use spell_token.
4078	* cpplib.h (E): Remove.
4079	(TTYPE_TABLE): Update CPP_VSPACE entry.
4080
40812000-05-08  Richard Henderson  <rth@cygnus.com>
4082
4083	* flow.c (init_propagate_block_info): Watch out for conditional
4084	branch to next instruction, and thus one outgoing edge.
4085
4086	* config/ia64/ia64.c (ia64_encode_section_info): Exit early
4087	for global register variables; don't special case __[CD]TOR_LIST__;
4088	mind ggc_p for string allocation.
4089
40902000-05-08  Nick Clifton  <nickc@cygnus.com>
4091
4092	* config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
4093
40942000-05-08  Bruce Korb  <bkorb@gnu.org>
4095
4096	* fixinc/mkfixinc.sh:  fixinc.sco is no longer used
4097	i?86-*-msdosdjgpp* no longer uses fixincludes
4098	* fixinc/genfixes:  inclhack.sh and fixincl.sh are no longer generated
4099	* fixinc/inclhack.sh:  deleted
4100	* fixinc/hackshell.tpl:  deleted
4101	* fixinc/inclhack.tpl:  deleted
4102	* fixinc/Makefile.in:  Remove dependencies on above
4103	* fixinc/fixincl.sh:  "DO NOT EDIT" text modified
4104
41052000-05-08  Andreas Jaeger  <aj@suse.de>
4106
4107	* config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
4108	support.
4109
41102000-05-07  Zack Weinberg  <zack@wolery.cumb.org>
4111
4112	* Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
4113	substitutions.
4114
4115Sun  7 May 08:43:53 2000  Neil Booth  <NeilB@earthling.net>
4116
4117	* cpplex.c: Move new lexer definitions and prototypes
4118	to top.  Conditional include these and the code if
4119	NEW_LEXER is defined.  Rename functions whose names
4120	clash if this code included.
4121
4122Sun May  7 00:54:57 EDT 2000  John Wehle  (john@feith.com)
4123
4124	* rtl.def (COND_EXEC): Clarify.
4125
4126	* i386.md (extendsidi2): Clobber (reg:CC 17) in the
4127	same fashion as zero_extendsidi2.
4128
41292000-05-06  Richard Henderson  <rth@cygnus.com>
4130
4131	* config/ia64/ia64.c (predicate_operator): New.
4132	(ia64_print_operand): Handle 'J'.
4133	(rtx_needs_barrier): Handle COND_EXEC.
4134	* config/ia64/ia64.h (BRANCH_COST): Define.
4135	(PREDICATE_CODES): Update.
4136	* config/ia64/ia64.md: Document used unspec values.
4137	(attr predicable): New.
4138	(movxf, movxf_internal): New.
4139	(extendsfdf2): Don't comment out nop.
4140	(floatdidf2): Remove.
4141	(truncxfsf2, truncxfdf2, floatdixf2): New.
4142	(abssi2, absdi2): Put the neg in the "true" slot.
4143	(conditional branch instructions): Mark not predicable.
4144	(cmov*_internal): Use predicate_operator.  Split to cond_exec.
4145	(abs*_internal): Likewise.
4146	(alloc, set_bsp): Mark not predicable.
4147	(barrier, insn_group_barrier, flush_cache): Likewise.
4148	(define_cond_exec): New.
4149
41502000-05-06  Richard Henderson  <rth@cygnus.com>
4151
4152	* c-decl.c: Include "tm_p.h".
4153
4154	* config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
4155	(fetchadd_operand, ia64_expand_fetch_and_op): Declare.
4156	(ia64_expand_op_and_fetch): Declare.
4157	* config/ia64/ia64.c: Include "toplev.h".  Kill trailing whitespace.
4158	(setjmp_operand): Constify variables for XSTR.
4159	(ia64_encode_section_info): Likewise.
4160	(ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
4161	values to int.
4162	(ia64_asm_output_external): Constify name.
4163	(process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
4164	(process_for_unwind_directive): Provide switch default.
4165	(ia64_expand_compare_and_swap): Remove unused variables.
4166	(ia64_expand_builtin): Likewise.
4167	* config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
4168	for printing.
4169
4170	* config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
4171	(symbolic_operand, function_operand, setjmp_operand): Likewise.
4172	(shift_count_operand, shift_32bit_count_operand): Likewise.
4173	(shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
4174	(ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
4175	(ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
4176	(ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
4177	(ia64_expand_builtin): Likewise.
4178	(call_multiple_values_operation): Make dest_regno unsigned.
4179
41802000-05-06  Richard Henderson  <rth@cygnus.com>
4181
4182	* rtl.def (DEFINE_COND_EXEC): New.
4183	* md.texi: Document it.
4184
4185	* gensupport.c (input_file): Remove.
4186	(struct queue_elem): Add lineno.
4187	(rtx_ready_queue): Remove.
4188	(errors): New.
4189	(predicable_default): New.
4190	(predicable_true, predicable_false): New.
4191	(define_attr_queue, define_attr_tail): New.
4192	(define_insn_queue, define_insn_tail): New.
4193	(define_cond_exec_queue, define_cond_exec_tail): New.
4194	(other_queue, other_tail): New.
4195	(queue_pattern): New.
4196	(process_rtx): Add patterns to the appropriate queues.
4197	(is_predicable, identify_predicable_attribute): New.
4198	(n_alternatives, collect_insn_data): New.
4199	(alter_predicate_for_insn, alter_test_for_insn): New.
4200	(shift_output_template, alter_output_for_insn): New.
4201	(process_one_cond_exec, process_define_cond_exec): New.
4202	(init_md_reader): Read the entire file.  Process define_cond_exec.
4203	(read_md_rtx): Return elements from the queues.
4204
42052000-05-06  Richard Henderson  <rth@cygnus.com>
4206
4207	* flow.c (mark_set_1): Don't update conditional life info
4208	if the register is not_dead.
4209
42102000-05-06  Zack Weinberg  <zack@wolery.cumb.org>
4211
4212	* Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
4213	(mostlyclean): Also delete fixincl, fixinc.sh, and
4214	specs.ready, and make clean in the fixinc subdir.
4215
42162000-05-06  Richard Henderson  <rth@cygnus.com>
4217
4218	* Makefile.in (gensupport.o): Compile for the host.
4219	(host-prefix gensuuprt.o): Remove.
4220	(genflags.o): Depend on gensupport.h and OBSTACK_H.
4221	(genattrtab.o): Likewise.
4222	(gencodes.o): Depend on gensupport.h.
4223	(genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
4224	(genpeep.o, genattr.o, genoutput.o): Likewise.
4225
4226	* gensupport.c (obstack, rtl_obstack): New.
4227	(init_md_reader): Initialize rtl_obstack.
4228	* gensupport.h (rtl_obstack): Declare.
4229	(message_with_line): Declare.
4230
4231	* genattr.c: Remove all traces of obstack manipulation.
4232	* gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4233	* genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4234
4235	* genattrtab.c (obstack, rtl_obstack): Remove.
4236	(main): Don't init rtl_obstack.
4237	* genflags.c: Likewise.
4238
4239	* genrecog.c (message_with_line): Move ...
4240	* gensupport.c: ... here.
4241
42422000-05-06  Richard Henderson  <rth@cygnus.com>
4243
4244	* c-typeck.c (build_c_cast): Remove dead code.
4245
42462000-05-06  Richard Henderson  <rth@cygnus.com>
4247
4248	* flow.c (split_edge): Don't allocate global_live_at_start for
4249	the new block unless the old blocks had them as well.
4250
4251	* flow.c (mark_set_1): Respect not_dead when updating reg_live.
4252
4253	* ifcvt.c (noce_process_if_block): Don't use an insn_b from
4254	test_bb if a or b uses x.
4255
42562000-05-06  Zack Weinberg  <zack@wolery.cumb.org>
4257
4258	* cpphash.h: Remove conditional #define of __extension__.
4259	* rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
4260	RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
4261	(ENABLE_RTL_CHECKING only).
4262	* tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
4263	CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
4264	(ENABLE_TREE_CHECKING only).
4265	* varray.h: Add __extension__ to VARRAY_CHECK macro
4266	(ENABLE_CHECKING only).
4267
42682000-05-06  Richard Earnshaw (reanrsha@arm.com)
4269
4270	Use new tail-calling mechanism on ARM.
4271	* arm.md (sibcall, sibcall_value): New expands.
4272	(sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
4273	(tailcalling peepholes): Delete.
4274	(push_multi): Simplify.
4275	* arm.c (lr_save_eliminated): Delete definition.
4276	(pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
4277	(output_return_instruction): Remove checks on lr_save_eliminated.
4278	(output_arm_prologue): Remove old tail-calling code.
4279	(arm_output_epilogue): New parameter, really_return.  All callers
4280	changed.  Handle tail-calling epilogues.
4281	* arm.h (lr_save_eliminated): Delete declaration.
4282	(frame_pointer_needed): Delete declaration.
4283	* arm-protos.h (arm_output_epilogue): Adjust prototype.
4284
4285	* arm.md (is_thumb): Examine symbol thumb_code, not expression
4286	TARGET_ARM.
4287	* arm.c (thumb_code): Define it.
4288	(arm_override_options): Set it.
4289	* arm.h (thumb_code): Declare it.
4290
42912000-05-06  Richard Earnshaw (reanrsha@arm.com)
4292
4293	* arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
4294
42952000-05-06  Richard Earnshaw (reanrsha@arm.com)
4296
4297	* arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4298	bogus clobber to insns.
4299	(load_multiple_operation, store_mulitple_operation): Don't check
4300	for it.
4301	* arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
4302
4303	* arm.md (and_scc, ior_scc): Add missing mode.
4304
4305	* arm.md (call_value_symbol): Remove predicate from op2.
4306
4307	* arm.h (SPECIAL_MODE_PREDICATES): Define.
4308
4309Sat May  6 06:25:56 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4310
4311	* expr.c (get_subtarget): New function.
4312	(force_operand, expand_expr, do_store_flag): Use it.
4313
4314	* toplev.c (compile_file): Don't take strlen of NAME if null.
4315
43162000-05-06  David Edelsohn  <edelsohn@gnu.org>
4317
4318	* xcoffout.c (xcoff_current_include_file,
4319	xcoff_current_function_file, xcoff_lastfile): Constify char *.
4320	(xcoffout_source_file, xcoffout_source_line): Make filename 'const
4321	char *'.
4322	(xcoffout_declare_function): Make name 'const char *'.
4323	(xcoffout_end_epilogue): Make fname 'const char *'
4324	* xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
4325	xcoffout_declare_function, xcoffout_source_line): Match above.
4326
4327	* aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
4328	-maix64	is error.
4329	* rs6000.c (print_operand): Fix lossage typo.
4330	(output_cbranch): Remove "cr" decoration for now.
4331	* rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
4332
4333Sat May  6 06:55:32 2000  Denis Chertykov  <denisc@overta.ru>
4334
4335	* config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
4336	constant count.
4337
43382000-05-05  Bruce Korb  <bkorb@gnu.org>
4339
4340	* fixinc/genfixes: Improve the matching for make target names
4341
43422000-05-05  Catherine Moore  <clm@cygnus.com>
4343
4344	* c-common.c (decl_attributes):  For TYPE_DECLs attach the
4345	attribute to the decl.
4346	* c-decl.c (pushdecl): Propagate the USED attribute to the
4347	type copy.
4348
43492000-05-05  Richard Henderson  <rth@cygnus.com>
4350
4351	* rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
4352	same way emit_group_load does.
4353
43542000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
4355
4356	* gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
4357
4358	* toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
4359	(main): Likewise.
4360
43612000-05-05 Rodney Brown	<RodneyBrown@mynd.com>
4362
4363	* pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
4364
4365Fri May  5 10:29:21 2000  Marc Espie <espie@cvs.openbsd.org>
4366
4367	* config/openbsd.h (LINK_SPEC): pass correct flags to ld
4368	to support -shared, on platforms with dynamic libraries.
4369
4370Fri May  5 10:27:06 2000  Philippe De Muyter  <phdm@macqel.be>
4371
4372	* system.h (S_ISBLK): Provide fallback definition.
4373
43742000-05-05  Geoff Berry  <geoffb@bops.com>
4375
4376	* extend.texi (Extended Asm): Document inability to give asm
4377	statements access to condition codes.
4378
43792000-05-05  Marek Michalkiewicz  <marekm@linux.org.pl>
4380
4381	* varasm.c (asm_emit_uninitialised): Use 0, not NULL
4382	as arg 2 of UNIQUE_SECTION.
4383
4384Fri May  5 10:11:41 2000  Jeffrey A Law  (law@cygnus.com)
4385
4386	* predict.c: Remove May 4 change.
4387	* bb-reorder.c (make_reorder_chain): Do not perform block movement
4388	if we have predicted the branch at 50-50 probability.
4389
43902000-05-05  Richard Henderson  <rth@cygnus.com>
4391
4392	* flow.c (init_propagate_block_info): Fix merge error
4393	in HAVE_conditional_execution code.
4394
4395Fri May  5 07:43:50 2000  Denis Chertykov  <denisc@overta.ru>
4396
4397	* config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
4398	shift cycle for unknown shift count. Also generates dec + brpl.
4399	(ashlqi3_out): Don't generate dec + brpl which now generates by
4400	`out_shift_with_cnt'.
4401	(ashlhi3_out): Likewise.
4402	(ashlsi3_out): Likewise.
4403	(ashrqi3_out): Likewise.
4404	(ashrhi3_out): Likewise.
4405	(ashrsi3_out): Likewise.
4406	(lshrqi3_out): Likewise.
4407	(lshrhi3_out): Likewise.
4408	(lshrsi3_out): Likewise.
4409
44102000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4411
4412	* gcc.c (free_split_directories): Correct typo in explanation
4413	of make_relative_prefix.
4414
44152000-05-04  Geoff Keating  <geoffk@cygnus.com>
4416
4417	* config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4418	comparison codes to branch_comparison_operator.
4419
44202000-05-04  Richard Henderson  <rth@cygnus.com>
4421
4422	* ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4423
44242000-05-04  Richard Henderson  <rth@cygnus.com>
4425
4426	* Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4427	(DPBIT_FUNCS): Remove _sf_to_usi.
4428	(stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4429
4430	* ifcvt.c (noce_process_if_block): Fail if A or B modified
4431	between condition and jump.
4432
4433	* libgcc2.c (near eh_context_specific): Comment #endif string.
4434	* longlong.h: Don't use strings with embedded newlines.
4435
44362000-05-04  Geoff Keating  <geoffk@cygnus.com>
4437
4438	* config/rs6000/rs6000-protos.h: Add output_cbranch.
4439	* config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4440	(print_operand): Delete %t and %T codes.
4441	(output_cbranch): New function.  Support branch prediction.
4442	* config/rs6000/rs6000.md: Use output_cbranch for
4443	conditional branches and returns.
4444
44452000-05-04  Jason Merrill  <jason@casey.cygnus.com>
4446
4447	* simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4448	* stor-layout.c (place_field): Likewise.
4449	* integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4450	* expr.c (store_expr): Make align unsigned.
4451	* explow.c (plus_constant_wide): Make low words unsigned.
4452	* expmed.c (choose_multiplier): Likewise.
4453	* fold-const.c (fold):  Likewise.
4454	* tree.h (build_int_2): Likewise.
4455	* tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4456	* emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4457	(init_emit): Change cast to unsigned char*.
4458	* varasm.c (compare_constant_1): Add cast to char*.
4459	* gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4460	* reload1.c (reload): Likewise.
4461
4462	* rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4463
4464Thu May  4 14:37:23 2000  Jeffrey A Law  (law@cygnus.com)
4465
4466	* predict.c (estimate_probability): If no prediction was found, then
4467	predict the successor that is the next physical block (if such a
4468	successor exists).
4469
44702000-05-04  Richard Henderson  <rth@cygnus.com>
4471
4472	* config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4473
44742000-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4475
4476	* system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4477
44782000-05-04  Mumit Khan  <khan@xraylith.wisc.edu>
4479
4480	* i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4481	attribute macros from here ...
4482	(CPP_SPEC): to here.
4483	* i386/mingw32.h (CPP_PREDEFINES): Likewise.
4484	(CPP_SPEC): Likewise.
4485	* i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4486
4487	* Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4488	(libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4489
44902000-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4491
4492	* bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4493
4494	* diagnostic (vbuild_message_string, build_message_string,
4495	build_location_prefix, output_get_prefix, init_output_buffer,
4496	output_notice, vline_wrapper_message_with_location,
4497	v_message_with_decl, default_print_error_function): De-constify.
4498	(set_real_maximum_length): Prototype.
4499
4500	* diagnostic.h (struct output_buffer, init_output_buffer,
4501	output_get_prefix, output_set_prefix): De-constify.
4502
4503	* function.c (init_function_start): Constify.
4504
4505	* gensupport.c (remove_constraints, process_rtx): Prototype.
4506
4507	* gthr-posix.h: Indent uses of #pragma.
4508
4509	* objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4510	Prototype.
4511
4512	* predict.c (find_expected_value): Delete prototype.
4513	(expected_value_to_br_prob): Initialize variable `ev_reg'.
4514
4515	* sbitmap.h (debug_sbitmap): Prototype.
4516
4517	* ssa.c (compute_coalesced_reg_partition): Prototype.
4518
4519	* stor-layout.c (debug_rli): Prototype.
4520
4521	* tree.h (round_down): Prototype.
4522	(init_function_start): Constify.
4523
45242000-05-04  Zack Weinberg  <zack@wolery.cumb.org>
4525
4526	* cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4527	(overly conservative).  Change extern inline wrappers to
4528	static inline, define them always, use PARAMS properly.
4529	* cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4530	whitespace warnings for \f and \v at the beginning of a line.
4531
4532Thu May  4 10:03:50 2000  Jeffrey A Law  (law@cygnus.com)
4533
4534	* haifa-sched.c (schedule_insns): Free the flow edge list when it
4535	is no longer needed
4536
45372000-05-04  Bruce Korb  <bkorb@gnu.org>
4538
4539	* fixincl/inclhack.def: added broken_cabs -
4540	Remove `extern double cabs' declarations from math.h
4541	* fixincl/inclhack.sh: regen
4542	* fixincl/fixincl.x: regen
4543	* fixincl/fixincl.c: Remove BOGOSITY code
4544	* fixincl/mkfixinc.sh: Remove code for installing "shell" version
4545
4546Thu May  4 09:45:12 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4547
4548	* rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
4549	MEM_ALIAS_SET.
4550	* alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
4551	when calling MEM_COPY_ATTRIBUTES.
4552	* emit-rtl.c (operand_subword, change_address): Likewise.
4553	* explow.c (stabilize): Likewise.
4554	* expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4555	* integrate.c (copy_rtx_and_substitute): Likewise.
4556	* combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
4557	when calling MEM_COPY_ATTRIBUTES.
4558	(make_extraction, simplify_shift_const, gen_lowpart_for_combine):
4559	Likewise.
4560	* cse.c (gen_lowpart_if_possible): Likewise.
4561	* function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4562	* optabs.c (gen_move_insn): Likewise.
4563	* recog.c (validate_replace_rtx_1): Likewise.
4564	* simplify-rtx.c (add_mem_for_addr): Likewise.
4565	* stmt.c (expand_anon_union_decl): Likewise.
4566	* config/arm/arm.md: Likewise.
4567	* config/h8300/h7300.c (fix_bit_operand): Likewise.
4568	* config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
4569	(block_move_no_loop, block_move_sequence): Likewise.
4570	* config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
4571	* config/alpha/alpha.c (get_aligned_mem): Likewise.
4572	Clear MEM_ALIAS_SET.
4573	* final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
4574	MEM_COPY_ATTRIBUTES.
4575
45762000-05-03  Robert Lipe <robertlipe@usa.net>
4577
4578	* configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
4579	to suppress libgcc1.
4580	(i[34567]86-*-sco3.2v5*) Likewise.
4581	(i[34567]86-*-sco3.2v4*) Likewise.
4582	(i[34567]86-*-sco) Likewise.
4583	(i[34567]86-*-solaris2) Likewise.
4584	(i[34567]86-*-sysv5*) Likewise.
4585	(i[34567]86-*-sysv4*) Likewise.
4586	(i[34567]86-*-udk*) Likewise.
4587	(i[34567]86-*-sysv*) Likewise.
4588
45892000-05-03  Zack Weinberg  <zack@wolery.cumb.org>
4590
4591	* cpphash.h (U): New define, to correct type of string constants.
4592	(ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
4593	routines, to do casts when passing unsigned strings to libc.
4594	* cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
4595
4596	* cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
4597	* cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
4598	* cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
4599	* cpplex.c (parse_ifdef, parse_include, validate_else): Make
4600	second argument an U_CHAR *.
4601
4602	* cppinit.c (builtin_array): Make name and value U_CHAR *, add
4603	length field, clean up initializer.
4604	(ISTABLE): Add __extension__ to designated-
4605	initializers version.
4606	* cpplex.c (CHARTAB): Likewise.
4607
4608	* mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
4609	case so the file won't be empty.
4610
4611Wed May  3 21:01:46 2000  Jason Eckhardt  <jle@cygnus.com>
4612
4613	* bb-reorder.c (struct reorder_block_def): Member succ removed.
4614	(REORDER_BLOCK_SUCC): Removed.
4615	(enum reorder_skip_type): Removed.
4616	(skip_insns_between_block): Renamed to skip_insns_after_block.
4617	Removed second argument. Removed dead code and cleaned up.
4618	(make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
4619	(reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
4620	second parameter to skip_insns_after_block.
4621
4622Wed May  3 13:29:54 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4623
4624	* tree.c (staticp, case LABEL_DECL): New case.
4625
46262000-05-03  Richard Henderson  <rth@cygnus.com>
4627
4628	* Makefile.in (start.encap): Do not depend on LIBGCC1.
4629
4630	* mklibgcc1.in: Fix typo last change.
4631
46322000-05-03  Jason Merrill  <jason@casey.cygnus.com>
4633
4634	* Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
4635	(LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
4636	(GCC_CFLAGS): Use it.
4637	(LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
4638	* cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
4639	objc/Make-lang.in: Use it.
4640
46412000-05-03  Jason R Thorpe  <thorpej@zembu.com>
4642
4643	* config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
4644
46452000-05-03  Richard Henderson  <rth@cygnus.com>
4646
4647	* mklibgcc.in: Restrict OLDCC=GCC test to native.  Equate
4648	LIBGCC1 empty with libgcc1.null.
4649
4650Wed May  3 12:55:46 2000  Jim Wilson  <wilson@cygnus.com>
4651
4652	* fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
4653	change.
4654
46552000-05-03  Greg McGary  <gkm@gnu.org>
4656
4657	* tree.h (tree_common): Add bounded_flag member.  Remove
4658	inaccurate comment about number of remaining bits.
4659	(BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
4660	BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
4661	MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
4662	TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
4663	TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
4664	(TYPE_QUAL_BOUNDED): New constant.
4665	(TYPE_QUALS): Handle bounded qualifier.
4666	(TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
4667	(TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
4668	TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
4669	TYPE_AMBIENT_BOUNDEDNESS): New macros.
4670	(MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
4671	(tree_type): Add pointer_depth member.  Remove
4672	inaccurate comment about number of remaining bits.
4673	(DECL_POINTER_DEPTH): Add macro.
4674	(tree_decl): Add pointer_depth member.
4675
4676Wed May  3 22:52:53 2000  Denis Chertykov  <denisc@overta.ru>
4677
4678	* config/avr/avr-protos.h (test_hard_reg_class): Declared.
4679	* config/avr/avr.c (ashrhi3_out): optimized shift by 15.
4680	(lshrhi3_out): Likewise.
4681	(ashrsi3_out): bugfix in shift by 8.
4682	(test_hard_reg_class): New function.
4683	* config/avr/avr.md: Bugfix inside conditions in peepholes.
4684	(ashlhi3): removed define_expand of this pattern.
4685	(*ashlhi3_insn): renamed to ashlhi3.
4686	(ashlsi3): removed define_expand of this pattern.
4687	(*ashlsi3_insn): renamed to ashlsi3.
4688	(ashrqi3): removed define_expand of this pattern.
4689	(*ashrqi3_insn): renamed to ashrqi3.
4690	(ashrhi3): removed define_expand of this pattern.
4691	(*ashrhi3_insn): renamed to ashrhi3.
4692	(ashrsi3): removed define_expand of this pattern.
4693	(*ashrsi3_insn): renamed to ashrsi3.
4694	(lshrhi3): removed define_expand of this pattern.
4695	(*lshrhi3_insn): renamed to lshrhi3.
4696	(lshrsi3): removed define_expand of this pattern.
4697	(*lshrsi3_insn): renamed to lshrsi3.
4698
46992000-05-03  Rodney Brown  <RodneyBrown@pmsc.com>
4700
4701	* config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
4702	inclusion of "system.h".
4703
4704Wed May  3 11:43:53 2000  Jim Wilson  <wilson@cygnus.com>
4705
4706	* config/ia64/ia64.c (ia64_encode_section_info): Add check for
4707	TREE_ASM_WRITTEN.
4708
47092000-05-03  David Mosberger  <davidm@hpl.hp.com>
4710
4711	* config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
4712	if -mauto-pic is on.
4713	(ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
4714	-mconstant-gp is in effect and function-descriptors are being used
4715	to make indirect calls.
4716	* config/ia64/ia64.h (MASK_CONST_GP): New macro.
4717	(MASK_AUTO_PIC): Ditto.
4718	(TARGET_CONST_GP): Ditto.
4719	(TARGET_AUTO_PIC): Ditto.
4720	(TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
4721	(ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
4722	-mno-pic is in effect.
4723	(ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
4724	* config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
4725	-mauto-pic is in effect.
4726	(gprel64_offset): New pattern.
4727	(load_gprel64): Ditto.
4728	(call): Handle -mauto-pic like -mno-pic (don't use fptr).  If
4729	-mconstant-gp is in effect, no need to preserve gp around direct
4730	calls.
4731	(call_value): Ditto.
4732	* config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
4733	(FUNCTION_PROFILER): Define.
4734	* config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
4735	@fptr() directive when -mno-pic or -mauto-pic is in effect.
4736	(ASM_OUTPUT_DESTRUCTOR): Ditto.
4737
47382000-05-03  Richard Henderson  <rth@cygnus.com>
4739
4740	* Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
4741	(libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
4742	(libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
4743	(mklibgcc, libgcc.mk): New targets.
4744	(libgcc.a): Use libgcc.mk.
4745	(stmp-multilib): Likewise.
4746	(stmp-multilib-sub): Remove.
4747	(mostlyclean): Don't delete libgcc2 temp files.
4748	* configure.in (AC_PROG_CC_C_O): Add.
4749	(NO_MINUS_C_MINUS_O): Substitute it.
4750	(all_outputs): Add mklibgcc.
4751	* mklibgcc.in: New file.
4752
47532000-05-03  Jason Merrill  <jason@casey.cygnus.com>
4754
4755	* cppexp.c (op_t): Make an int.
4756
4757	* rtlanal.c (dead_or_set_regno_p): Remove unused variable.
4758
4759	* varasm.c (initializer_constant_valid_p): Fix parenthesis.
4760
4761	* gensupport.c (process_rtx): Fix macros used.
4762
47632000-05-03  Richard Henderson  <rth@cygnus.com>
4764
4765	* flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
4766	call-clobbered registers of a call.
4767
4768Wed May  3 12:40:53 2000  Clinton Popetz  <cpopetz@cygnus.com>
4769
4770	* gensupport.c: New file.
4771	* gensupport.h: New file.
4772	* Makefile.in (HOST_RTL): Depend on gensupport.
4773	(gensupport.o) New rule.
4774	* genattr.c: Use gensupport for reading .md files.
4775	* genattrtab.c: Ditto.
4776	* gencodes.c: Ditto.
4777	* genconfig.c: Ditto.
4778	* genemit.c: Ditto.
4779	* genextract.c: Ditto.
4780	* genflags.c: Ditto.
4781	* genopinit.c: Ditto.
4782	* genoutput.c: Ditto.
4783	* genpeep.c: Ditto.
4784	* genrecog.c: Ditto.
4785	* rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
4786	* md.texi (Insn Splitting): Document define_insn_and_split.
4787
4788Tue May  2 00:20:30 2000  Jason Eckhardt  <jle@cygnus.com>
4789
4790	* flow.c (verify_flow_info): Added two more sanity checks. The
4791	first checks that the blocks are numbered consecutively. The second
4792	checks that n_basic_blocks is actually equal to the number of
4793	basic blocks in the insn chain.
4794
47952000-05-03  Zack Weinberg  <zack@wolery.cumb.org>
4796
4797	* cpplib.h: Add accessor macros for token lists.
4798	* cpplib.c, cpphash.c, cpplex.c: Use them.
4799
4800Wed May  3 09:29:17 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4801
4802	* expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
4803	memory usage if not in a function.
4804	* varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
4805	return address if static.
4806
4807Wed May  3 13:14:49 MET DST 2000  Jan Hubicka  <jh@suse.cz>
4808
4809	* ifcvt.c (noce_try_cmove_arith):  Use may_trap_p to thest
4810	whether address may trap.
4811
4812Tue May  2 23:38:37 2000  Jason Eckhardt  <jle@cygnus.com>
4813
4814	* bb-reorder (chain_reorder_blocks): Changed code to test for
4815	EDGE_FALLTHRU rather than making erroneous assumption that the
4816	first outgoing edge is the fall-through edge.
4817
4818Tue May  2 18:20:31 2000  Donald Lindsay  <dlindsay@hound.cygnus.com>
4819
4820	* config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
4821	ABI for varargs, across all MIPS. This is incompatible because the
4822	va_list (__builtin_va_list) structure is different, so a compilation
4823	unit passing a va_list and a compilation unit being passed one, should
4824	both be compiled with the same ABI. (The old structure had two
4825	pointers, now it has three.)
4826
4827Tue May  2 19:18:43 2000  Jason Eckhardt  <jle@cygnus.com>
4828
4829	* bb-reorder.c (struct reorder_block_def): Remove members end,
4830	block_begin, and block_end.
4831	(REORDER_BLOCK_OLD_END): Delete.
4832	(REORDER_BLOCK_BEGIN): Delete.
4833	(REORDER_BLOCK_END): Delete.
4834	(chain_reorder_blocks): Remove dead code.
4835
4836Tue May  2 17:06:53 2000  Jason Eckhardt  <jle@cygnus.com>
4837
4838	* bb-reorder.c (remove_scope_notes): Check for both types of scope
4839	notes as the end of a basic block before deleting.
4840
48412000-05-02  Mumit Khan  <khan@xraylith.wisc.edu>
4842
4843	* final.c (final_start_function): Fix spelling of "necessary".
4844
48452000-05-02  Jason Merrill  <jason@casey.cygnus.com>
4846
4847	* toplev.c (debug_ignore_block): Return int.
4848	* dwarf2out.c (dwarf2out_ignore_block): Likewise.
4849	* toplev.h, dwarf2out.h: Adjust.
4850	* emit-rtl.c (remove_unnecessary_notes): Test return value.
4851
4852	* emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
4853	* toplev.c, final.c, rtl.h: Adjust.
4854
48552000-05-02  Zack Weinberg  <zack@wolery.cumb.org>
4856
4857	* aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
4858	* configure.in: Look for makeinfo in the unified tree, then
4859	for a system makeinfo which is sufficiently new.
4860	* Makefile.in: If configure says makeinfo is too old, don't
4861	build or install Info documentation.
4862
48632000-05-02  Zack Weinberg  <zack@wolery.cumb.org>
4864
4865	* cpphash.c (collect_params): Fix off-by-one error.
4866	(dump_hash_helper): Dump all four macro nodetypes.
4867
48682000-05-02  Jakub Jelinek  <jakub@redhat.com>
4869
4870	* cpphash.c (trad_stringify): Adjust p after stringification as
4871	well.
4872
48732000-05-02  Zack Weinberg  <zack@wolery.cumb.org>
4874
4875	* cpplib.h (CPP_POP, parse_cleanup_t): Delete.
4876	(cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
4877
4878	* cppfiles.c (file_cleanup): Delete.
4879	* cpphash.c (macro_cleanup): Delete.
4880	(collect_objlike_expansion, collect_funlike_expansion,
4881	macarg, scan_arguments): Remove CPP_POP case.
4882
4883	* cpplex.c (null_cleanup): Delete.
4884	(cpp_pop_buffer): Do the work that was done in the cleanups
4885	here.  Call _cpp_unwind_if_stack from here.
4886	(_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
4887	cpp_scan_buffer): Run until we see CPP_EOF and the top of
4888	stack is the buffer _below_ the one we stacked.
4889	(cpp_get_token): Always pop an exhausted buffer.  Return
4890	CPP_EOF unless it's a macro buffer.  Don't call _cpp_handle_eof.
4891	* cpplib.c (skip_if_group): Don't call cpp_get_token to
4892	increment the line number.
4893	(_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
4894
4895	* fix-header.c (read_scan_file) [parsing getchar()]: Run until
4896	we see CPP_EOF and the top of stack is the buffer _below_ the
4897	one we stacked.
4898	* scan-decls.c: Likewise.
4899
49002000-05-02  Andrew Haley  <aph@cygnus.com>
4901
4902	* config/ia64/ia64.c (ia64_encode_section_info): Handle the case
4903	where this function is called for the second time on a decl that
4904	has had its section info changed in such a way as to move it out
4905	of small data/bss.
4906	* config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
4907
49082000-05-01  Richard Henderson  <rth@cygnus.com>
4909
4910	* ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
4911	the sequence we're moving, not to merge_bb->head.
4912
49132000-05-01  Richard Henderson  <rth@cygnus.com>
4914
4915	* configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
4916	reference to alpha/t-linux.
4917	(alpha*-*-linux-gnu*): Likewise.
4918	* configure: Rebuild.
4919
4920	* calls.c (expand_call): Don't emit reg notes for a sibcall.
4921
4922	* flow.c (calculate_global_regs_live): Skip for_each_successor_phi
4923	if not in SSA form.
4924
4925	* ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
4926
49272000-05-01  Jason Merrill  <jason@casey.cygnus.com>
4928
4929	* integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
4930	TREE_THIS_VOLATILE.
4931
49322000-05-01  Richard Henderson  <rth@cygnus.com>
4933
4934	* ifcvt.c (noce_emit_cmove): Conditionally compile call to
4935	emit_conditional_move.
4936
49372000-05-01  Jakub Jelinek  <jakub@redhat.com>
4938
4939	* config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
4940	as the dynamic linker.
4941
49422000-05-01  Zack Weinberg  <zack@wolery.cumb.org>
4943
4944	* cppfiles.c (open_include_file): Open file in blocking mode.
4945	(read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
4946	Only exclude block devices and directories.
4947
4948	* cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
4949	static.  Allocate the hashnode and its string in the same
4950	block of memory.
4951	(del_HASHNODE): Don't free h->name.
4952	(_cpp_lookup): If there is no entry for this string, create
4953	one, of type T_VOID.
4954	(_cpp_lookup_slot): Delete.
4955	* cpphash.h: Update prototypes.
4956
4957	* cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
4958	not hp == NULL.
4959	* cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
4960	do_unassert, cpp_defined): Use _cpp_lookup.  Don't create a
4961	node here, just fill in the value field properly.  "Delete"
4962	entries by setting the value field to T_VOID.  Check for
4963	hp->type == T_VOID, not hp == NULL.
4964
4965	* Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
4966	* cpperror.c, cppexp.c, cpplex.c, cpplib.c:  Don't include
4967	hashtab.h.
4968
49692000-05-01  Alexandre Oliva  <aoliva@cygnus.com>
4970
4971	* config/mn10300/mn10300.c (print_operand_address): Do not add
4972	zero to SP.
4973
4974	* config/mn10300/mn10300.c (expand_epilogue): If SP is to be
4975	adjusted by less than 256 bytes, use ret regardless of having any
4976	callee-saved register to restore.
4977
49782000-05-01 Laurynas Biveinis <lauras@softhome.net>
4979
4980	* tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
4981
49822000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
4983
4984	* config/i386/djgpp.h (INT_ASM_OP): Define.
4985	(CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
4986	(ASM_WEAKEN_LABEL): Define.
4987	(MASK_BNU210): Define.
4988	(SUBTARGET_SWITCHES): Define.
4989	(SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
4990	(MAKE_DECL_ONE_ONLY): Define.
4991	(UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
4992
49932000-05-01  Mumit Khan  <khan@xraylith.wisc.edu>
4994
4995	* i386/cygwin.h (INT_ASM_OP): Define.
4996
4997Mon May  1 18:20:06 2000  Denis Chertykov  <denisc@overta.ru>
4998
4999	* config/avr/avr.c (address_cost): renamed to avr_address_cost.
5000	* config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
5001
5002Mon May  1 17:50:44 2000  Denis Chertykov  <denisc@overta.ru>
5003
5004	* config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
5005	__tmp_reg__ and __zero_reg__ initialization.
5006
50072000-04-30  Richard Henderson  <rth@cygnus.com>
5008
5009	* flow.c (propagate_one_insn): Mark sets even when the insn is dead.
5010
5011	* ifcvt.c (noce_process_if_block): Fail the conversion if X is
5012	referenced bewteen the condition and the jump.  Don't delete
5013	anything but the jump.
5014
5015Sun Apr 30 22:48:24 2000  Jason Eckhardt  <jle@cygnus.com>
5016
5017	* bb-reorder.c (scope_def): New struct.
5018	(scope_forest_info): New struct.
5019	(struct reorder_block_def): New member "scope".
5020	(REORDER_BLOCK_SCOPE): New macro.
5021	(relate_bbs_with_scopes): New function and prototype.
5022	(make_new_scope): Likewise.
5023	(build_scope_forest): Likewise.
5024	(remove_scope_notes): Likewise.
5025	(insert_intra_1): Likewise.
5026	(insert_intra_bb_scope_notes): Likewise.
5027	(insert_inter_bb_scope_notes): Likewise.
5028	(rebuild_scope_notes): Likewise.
5029	(free_scope_forest_1): Likewise.
5030	(free_scope_forest): Likewise.
5031	(dump_scope_forest): Likewise.
5032	(dump_scope_forest_1): Likewise.
5033	(chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
5034	Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
5035	block.
5036	(reorder_basic_blocks): Added calls to build_scope_scope_forest
5037	and remove_scope_notes before reordering is done. Added calls to
5038	rebuild_scope_notes, free_scope_forest, and reorder_blocks after
5039	after reordering is done.
5040
50412000-40-30  Bruce Korb  <bkorb@gnu.org>
5042
5043	* fixinc/inclhack.def:  Added definitions needed by OSR5,
5044	removed two stale entries (defined away with OLD_CPP).
5045	* fixinc/inclhack.sh: regen
5046	* fixinc/fixincl.x: regen
5047
50482000-04-30  Richard Henderson  <rth@cygnus.com>
5049
5050	* ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
5051	from the last insn in the sequence.
5052
50532000-04-30  Zack Weinberg  <zack@wolery.cumb.org>
5054
5055	* cpplex.c (cpp_idcmp): New function.
5056	* cpplib.h: Prototype it.
5057	* scan_decls.c (scan_decls): Use it to inspect token names.
5058	* fix-header.c (read_scan_file): Likewise.  Set system_header_p on
5059	the file being run through the preprocessor.
5060	(check_macro_names): Provide length of token to cpp_defined.
5061
5062	* Makefile.in: Remove stale warning message.
5063
5064	* cppfiles.c (redundant_include_p): Provide length of token to
5065	cpp_defined.
5066	* cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
5067	values are unsigned int.
5068	(_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
5069	(_cpp_lookup_slot): Do not calculate the hash, either.
5070	* cpphash.h: Update prototypes.
5071	* cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
5072	Hashes are unsigned int.  Calculate hash here, pass by value
5073	to _cpp_lookup_slot.
5074
50752000-04-30  Bernd Schmidt  <bernds@cygnus.co.uk>
5076
5077	* simplify-rtx.c (check_value_useless): Delete function.
5078	(discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
5079	by hand.
5080	(cselib_invalidate_regno): Likewise.
5081	(cselib_invalidate_mem_1): Likewise.
5082	(references_value_p): Recognize useless values by the fact that they
5083	have no locations.
5084	(discard_useless_values): Likewise.
5085	(cselib_record_set): This may turn a useless value
5086	into a useful one.
5087
50882000-04-30  Richard Henderson  <rth@cygnus.com>
5089
5090	* config/d30v: New port.
5091
5092	* configure.in (d30v-*): Set fp format.
5093	* configure: Rebuild.
5094
50952000-04-30  Richard Henderson  <rth@cygnus.com>
5096
5097	* ifcvt.c: New file.
5098	* Makefile.in (OBJS): Add it.
5099	(ifcvt.o): New target.
5100	* jump.c (jump_optimize_1): Remove all code related to if-conversion,
5101	and conditional arithmetic.
5102	(find_insert_position): Remove.
5103	* timevar.def (TV_IFCVT, TV_IFCVT2): New.
5104	* toplev.c (DFI_ce, DFI_ce2): New.
5105	(dump_file): Add ce and ce2 dumps.
5106	(rest_of_compilation): Run if_convert a couple o times.  Set
5107	cse_not_expected after cse2.  Don't set no_new_pseudos until
5108	after sched1 or recompute_reg_usage.
5109
51102000-04-30  Richard Henderson  <rth@cygnus.com>
5111
5112	* config/alpha/t-crtbe (crtbegin.o): Add "-I.".
5113	(crtend.o, crtbeginS.o, crtendS.o): Likewise.
5114
51152000-04-30  Richard Henderson  <rth@cygnus.com>
5116
5117	* flow.c (struct reg_cond_life_info): New.
5118	(struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
5119	(init_propagate_block_info): Initialize them.
5120	(free_propagate_block_info): Destruct them.
5121	(mark_set_1): Consider conditional life before killing a register.
5122	(mark_regno_cond_dead): New.
5123	(free_reg_cond_life_info): New.
5124	(flush_reg_cond_reg_1, flush_reg_cond_reg): New.
5125	(ior_reg_cond, not_reg_cond, nand_reg_cond): New.
5126	(mark_used_reg): Record conditional life.
5127
5128	* haifa-sched.c (schedule_insns): Disable death counting
5129	sanity check for HAVE_conditional_execution.
5130
51312000-04-30  Richard Henderson  <rth@cygnus.com>
5132
5133	* Makefile.in (TIMEVAR_H): New.
5134	(ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
5135	(timevar.h): Remove rule.
5136
51372000-04-29  Richard Henderson  <rth@cygnus.com>
5138
5139	* config/alpha/crtend.asm: Use C comments instead of #.
5140	* config/alpha/crtbegin.asm: Likewise.  Mark __dso_handle hidden.
5141
5142	* config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
5143
51442000-04-29  Zack Weinberg  <zack@wolery.cumb.org>
5145
5146	* cpphash.h (enum node_type: Take out T_MCONST.
5147	(union hashval): Move into struct hashnode.
5148	(struct hashnode): Pack tighter.  Remove file, line, col
5149	members.
5150	* cpphash.c: Constify most of the macro-definition structures.
5151	(struct definition): Replace by struct object_defn
5152	and struct funct_defn.  Put file, line, column information
5153	here.  All users updated to match.
5154	(_cpp_create_definition, _cpp_macroexpand): Remove special
5155	case for #define WORD OTHERWORD.
5156	* cpplib.c (do_undef): Remove T_MCONST case.
5157
5158	* cpphash.h: Move struct reflist, struct definition, and the
5159	DEFINITION typedef to cpphash.c.  Use 'struct definition *' in
5160	union hashval.  _cpp_free_definition takes a HASHNODE pointer.
5161	* cpphash.c (_cpp_free_definition): Free data pointed to by
5162	MCONST, XCONST, MACRO, and FMACRO nodes properly.
5163	(_cpp_create_definition, del_HASHNODE): Just call
5164	_cpp_free_definition to clear out a hashnode.
5165	* cpplib.c (do_pragma_poison): Likewise.
5166
5167Sat Apr 29 12:25:17 2000  Alexandre Oliva  <aoliva@cygnus.com>
5168
5169	* config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
5170	LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
5171	FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
5172	(REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
5173	(REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
5174	REGNO_AM33_P): Redefine in terms of the new macros.
5175	(CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
5176	(FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5177	STRUCT_VALUE): Likewise.
5178	(STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5179	ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise.  Moved.
5180
5181Sat Apr 29 01:18:45 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5182
5183	* regmove.c (struct record_stack_memrefs_data): New.
5184	(record_stack_memrefs): New function.
5185	(combine_stack_adjustments_for_block): Use it.
5186
5187Sat Apr 29 01:15:27 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5188
5189	* calls.c (calls_function_1):  Properly handle TREE_LIST expressions;
5190	use special_function_p to detect alloca.
5191
5192Fri Apr 28 16:30:33 2000  Marc Espie <espie@cvs.openbsd.org>
5193
5194	* gcc.texi: Fixes for makeinfo 4.0 --html.
5195
51962000-04-28  Zack Weinberg  <zack@wolery.cumb.org>
5197
5198	* pcp.h: Delete file.
5199
52002000-04-28  Kazu Hirata  <kazu@hxi.com>
5201
5202	* h8300.c (function_epilogue): Clean up flags when the last insn
5203	in a function is a barrier.
5204
52052000-04-28  Chris Demetriou  <cgd@sibyte.com>
5206
5207	* configure.in (sparc-hal-solaris2*): protect [] glob from
5208	my expansion.
5209	(mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
5210	rather than hard-coded constants in target_cpu_default2.
5211	* configure: Regenerate.
5212
52132000-04-28  Jason Merrill  <jason@casey.cygnus.com>
5214
5215	* tree.c (get_callee_fndecl): Extract the initial value from
5216	a readonly decl.
5217
52182000-04-28  Richard Henderson  <rth@cygnus.com>
5219
5220	* varasm.c (record_constant_1): Record the CODE_LABEL when
5221	taking the address of a LABEL_REF.
5222
52232000-04-28  Richard Henderson  <rth@cygnus.com>
5224	    Jan Hubicka  <jh@suse.cz>
5225
5226	* calls.c (combine_pending_stack_adjustment_and_call): Return the
5227	adjustment; don't do the stack adjust.
5228	(expand_call): Call compute_argument_block_size right before
5229	allocating the block; update comment; don't do alignment sanity
5230	checking for sibling call; use args_size instead of
5231	unadjusted_args_size before args_size is adjusted.  Use
5232	combine_pending_stack_adjustment_and_call to compute stack adjust
5233	for must_preallocate case.
5234
5235	* expr.c (push_block): Remove shadow `temp' in inner scope.
5236
52372000-04-28  Jason Merrill  <jason@casey.cygnus.com>
5238
5239	* toplev.c (rest_of_compilation): Call
5240	note_deferral_of_defined_inline_function even if the function
5241	can't be inlined.
5242
52432000-04-28  Scott Bambrough  <scottb@netwinder.org>
5244
5245	* cpplex.c (_cpp_scan_line): Fix buffer overwrite.
5246
52472000-04-28  Richard Henderson  <rth@cygnus.com>
5248
5249	* toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
5250
52512000-04-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5252
5253	* timevar.c (init_timevar): DeANSIfy function definition.
5254
52552000-04-27  Alex Samuel  <samuel@codesourcery.com>
5256
5257	* Makefile.in (timevar.o): Depend on flags.h.
5258	* timevar.c (unused_stack_instances): New variable.
5259	(timevar_push): Take a timevar_stack_def from
5260	unused_stack_instances if available.
5261	(timevar_pop): Push the popped timevar_stack_def onto
5262	unused_stack_instances.
5263	(TIMEVAR_ENABLE): New macro.
5264	(timevar_def): Make standalone a 1-bit field.  Add field used.
5265	(get_time): Rename parameter to now.  Return after clearing it if
5266	not TIMEVAR_ENABLE.
5267	(init_timevar): Do nothing if not TIMEVAR_ENABLE.
5268	(timevar_pop): Likewise.
5269	(timevar_stop): Likewise.
5270	(timevar_push): Likewise.  Mark the timing variable as used.
5271	(timevar_start): Likewise.
5272	(timevar_print): Do nothing if not TIMEVAR_ENABLE.  Don't print
5273	timevars that were never used.
5274
52752000-04-27  Mark Mitchell  <mark@codesourcery.com>
5276
5277	* c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
5278	always TREE_READONLY.
5279
52802000-04-27  Ulrich Drepper  <drepper@cygnus.com>
5281
5282	* i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
5283	for call instruction with mode QImode.
5284
52852000-04-27  Alex Samuel  <samuel@codesourcery.com>
5286
5287	* Makefile.in (OBJS): Add timevar.o.
5288	(toplev.o): Depend on timevar.h.
5289	(ggc-simple.o): Likewise.
5290	(ggc-page.o): Likewise.
5291	(timevar.o): New rule.
5292	(timevar.h): New rule.
5293
5294	* timevar.h: New file.
5295	* timevar.c: Likewise.
5296	* timevar.def: Likewise.
5297
5298	* toplev.h (gc_time, parse_time, varconst_time): Remove.
5299	* toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
5300	throughout.
5301	(TIMEVAR): Remove macro.
5302	(gc_time, parse_time, varconst_time, integration_time, jump_time,
5303	cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
5304	flow_time, combine_time, regmove_time, sched_time,
5305	local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
5306	sched2_time, dbr_sched_time, reorder_blocks_time,
5307	rename_registers_time, shorten_branch_time, stack_reg_time,
5308	to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
5309	all_time): Remove.
5310	(compile_file): Don't initialize time variables.  Call
5311	init_timevar and start TV_TOTAL timer.  Call timevar_print instead
5312	of many calls to print_time.
5313	(rest_of_compilation): Add timing for reload_cse_regs.
5314	(get_run_time): Removed to timevar.c.
5315	(print_time): Likewise.
5316	(get_run_time): Implement using TV_TOTAL time variable.
5317	(print_time): Get total run time from get_run_time.
5318	* ggc-page.c (ggc_collect): Push and pop TV_GC instead of
5319	computing elapsed time explicitly.
5320	* ggc-simple.c (ggc_collect): Likewise.
5321	(gc_time): Remove declaration.
5322
53232000-04-27  Mark Mitchell  <mark@codesourcery.com>
5324
5325	* calls.c (combine_pending_stack_adjustment_and_call): New function.
5326	(expand_call): Use it.
5327
53282000-04-27  Jan Hubicka  <jh@suse.cz>
5329
5330	* flow.c (mark_set_1):  Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
5331	fields.
5332
5333Thu Apr 27 12:47:00 2000  Alexandre Oliva  <aoliva@cygnus.com>
5334
5335	* config/mn10300/mn10300.md (movhi): Simplify.  Prefer data
5336	registers.
5337
5338Thu Apr 27 17:33:05 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5339
5340	* function.c (epilogue_done): Pass whole insn to record_insns.
5341
5342Thu Apr 27 16:55:28 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5343
5344	* cse.c (CSE_ADDRESS_COST): Remove.
5345	(find_best_addr): Add new parameter "MODE", use address_cost instead
5346	of CSE_ADDRESS_COST
5347	(address_cost): New.
5348	(fold_rtx): Update call of find_best_addr.
5349	* rtl.h (address_cost): Declare.
5350	* loop.c (general_induction_var): Add new parameter "MODE", use
5351	address_cost instead of ADDRESS_COST
5352	(init_loop): Use address_cost instead of ADDRESS_COST.
5353	(check_insn_for_givs): Update call of general_induction_var.
5354	(find_mem_givs): Likewise.
5355	(consec_sets_giv): Likewise.
5356	* config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
5357	* i386.c (ix86_address_cost): New.
5358	* i386-protos.h (ix86_address_cost): Declare.
5359
5360Thu Apr 27 11:45:16 2000  Alexandre Oliva  <aoliva@cygnus.com>
5361
5362	* config/mn10300/mn10300.md (movqi): Simplify.  Prefer data
5363	registers.
5364
5365Thu Apr 27 16:11:00 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5366
5367	* expr.c (store_expr): Use clear_storage instead of direct memset
5368	libcall.
5369
5370Thu Apr 27 10:36:51 2000  Alexandre Oliva  <aoliva@cygnus.com>
5371
5372	* config/mn10300/mn10300.c (mn10300_address_cost): Test
5373	ASHIFT, AND and LABEL_REF.
5374
5375Thu Apr 27 15:08:46 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5376
5377	* invoke.texi (-foptimize-sibling-calls): Fix.
5378
5379Thu Apr 27 14:54:22 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5380
5381	* loop.c (load_mems)  Don't use hard registers for the hoisting.
5382
5383	* unroll.c (unroll_loop): Avoid overflow in the n_iterations
5384	calculation; rename const_equiv array in the preconditioning code
5385	from loop_unroll to loop_unroll_precondition
5386
53872000-04-27  Richard Henderson  <rth@cygnus.com>
5388
5389	* flow.c (struct propagate_block_info): Remove new_dead, new_live;
5390	add new_set.
5391	(propagate_one_insn): Clear it.  Don't update reg_live here.
5392	(init_propagate_block_info): Update for pbi member changes.
5393	(free_propagate_block_info): Likewise.
5394	(mark_set_1): Know that zero_extract, sign_extract, and
5395	strict_low_part don't kill their argument.  Alter hard subregs.
5396	Update new_set for non-CLOBBER sets.  Update reg_live.
5397	(find_auto_inc): Update reg_live, not new_dead.
5398	(mark_used_reg): Update reg_live, not new_live.  Examine new_set
5399	to determine if the reg in question was set this insn.  Only update
5400	reg info with PROP_REG_INFO.
5401
54022000-04-26  Richard Henderson  <rth@cygnus.com>
5403
5404	* flow.c (allocate_reg_life_data): Set max_regno here ...
5405	(life_analysis): ... not here.
5406
5407	* flow.c (calculate_global_regs_live): Force stack pointer
5408	live at end.
5409
54102000-04-26  Richard Henderson  <rth@cygnus.com>
5411
5412	* jump.c (redirect_exp_1): Rework from old redirect_exp.  Never
5413	commit change group changes.
5414	(invert_exp_1): Similarly.
5415	(redirect_exp, invert_exp): Use them.
5416	(redirect_jump_1): New.
5417	(invert_jump_1): New.
5418	(jump_optimize_1): Remove code subsumed by condexec.c.
5419	* rtl.h (invert_jump_1, redirect_jump_1): Declare.
5420
54212000-04-26  Richard Henderson  <rth@cygnus.com>
5422
5423	* rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5424
5425	* genconfig.c (main): Set all HAVE_foo to 1.
5426
5427	* graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5428
54292000-04-26  Alex Samuel  <samuel@codesourcery.com>
5430
5431	* invoke.texi: Document -fssa flag.
5432
54332000-04-26  Richard Henderson  <rth@cygnus.com>
5434
5435	* flow.c (count_reg_sets_1): Remove.
5436	(count_reg_sets, count_reg_references): Remove.
5437	(recompute_reg_usage): Implement with update_life_info.
5438	Reallocate life data.
5439
54402000-04-26  Richard Henderson  <rth@cygnus.com>
5441
5442	* flow.c (update_life_info): Consider blocks null to mean the
5443	universal set.
5444	(calculate_global_regs_live): Likewise.
5445	(life_analysis): Do that instead of collecting all_blocks.
5446
54472000-04-26  Richard Henderson  <rth@cygnus.com>
5448
5449	* flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5450	a still-valid conditional jump.
5451
54522000-04-26  Richard Henderson  <rth@cygnus.com>
5453
5454	* jump.c (invert_jump): Always invert REG_BR_PROB.  Do it correctly.
5455
5456	* bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5457	* flow.c (calculate_loop_depth): Remove.
5458	* output.h (calculate_loop_depth): Don't declare.
5459	* toplev.c (rest_of_compilation): Expand calculate_loop_depth
5460	inline; run estimate_probability at the same time.
5461
54622000-04-26  Neil Booth  <NeilB@earthling.net>
5463
5464	* cpplib.h: "~=" is not a single pp-token.
5465	* cpplex.c: Correct commentary.
5466
54672000-04-26  Richard Henderson  <rth@cygnus.com>
5468
5469	* flow.c (mark_set_1): New arguments code and flags; update all
5470	callers.  Track regno_first and regno_last; do HARD_REGNO_NREGS
5471	test in one place.  Tidy flags tests.  Don't bias REG_N_REFS by
5472	loop_depth when optimizing for size.  Do new_dead update after
5473	emitting REG_UNUSED notes.  Merge mark_set_reg code.
5474	(mark_set_reg): Remove.
5475	(propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5476	arrange to not emit REG_UNUSED notes.
5477
54782000-04-26  Richard Henderson  <rth@cygnus.com>
5479
5480	* flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5481	* ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5482
54832000-04-26  Richard Henderson  <rth@cygnus.com>
5484
5485	* flow.c (propagate_one_insn): Break out from propagate_block.
5486	(init_propagate_block_info): Likewise.
5487	(free_propagate_block_info): Likewise.
5488	(propagate_block): Use them.  Export.
5489	* basic-block.h: Declare them all.
5490
54912000-04-26  Richard Henderson  <rth@cygnus.com>
5492
5493	* basic-block.h (life_analysis): Declare here ...
5494	* output.h: ... not here.
5495	* flow.c (life_analysis): Remove nregs parameter; replace
5496	remove_dead_code with flags.  Remove ssa dead code check.
5497	Only init alias analysis if we'll use it.
5498	* reg-stack.c (reg_to_stack): Update life_analysis arguments.
5499	* ssa.c (convert_to_ssa): Likewise.
5500	(convert_from_ssa): Likewise.
5501	* toplev.c (rest_of_compilation): Likewise.
5502
55032000-04-26  Richard Henderson  <rth@cygnus.com>
5504
5505	* flow.c (flow_delete_block): Rename from delete_block.  Export.
5506	* basic-block.h (flow_delete_block): Declare.
5507
55082000-04-26  David S. Miller  <davem@redhat.com>
5509
5510	* optabs.c (emit_libcall_block): Verify insns with INSN_P before
5511	taking a PATTERN of it.
5512
55132000-04-26  <NeilB@earthling.net>
5514
5515	* cpplex.c (spell_other, spell_char): Remove.
5516	(SPELL_CHAR): New.
5517	(token_spelling, trigraph_map): Use unsigned chars.
5518	(_cpp_lex_line): Tidy up the switch statement.
5519	* cpplib.h: Implement spell_char with spell_string.
5520	(C): New.
5521
55222000-04-26  <RodneyBrown@pmsc.com>
5523
5524	* pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5525	* pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5526
55272000-04-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5528
5529	* dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5530	reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5531	dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5532	dwarf2out_return_save, dwarf2out_return_reg,
5533	dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5534	add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5535	gen_compile_unit_die, dwarf2out_init): Constify a char*.
5536
5537	* dwarf2out.h (dwarf2out_init): Likewise.
5538
5539	* dwarfout.c (filename_entry, primary_filename, last_filename,
5540	type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5541
5542	* tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5543	dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
5544	dwarf2out_return_reg): Likewise.
5545
55462000-04-26  Andreas Jaeger  <aj@suse.de>
5547
5548	* extend.texi (Function Attributes): Fix description of pure
5549	attribute.
5550
55512000-04-26  Jason Merrill  <jason@casey.cygnus.com>
5552
5553	* integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
5554	before calling rest_of_compilation.
5555
55562000-04-26  Andreas Jaeger  <aj@suse.de>
5557
5558	* config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
5559	last patch.
5560
55612000-04-25  Richard Henderson  <rth@cygnus.com>
5562
5563	* cse.c (cse_insn): Emit barrier after unconditional jump.
5564
5565	* calls.c (expand_call): Disable tail call generation once
5566	rtx_equal_function_value_matters is false.
5567
5568	* reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
5569	like EDGE_EH edges.
5570
55712000-04-25  Jason Merrill  <jason@casey.cygnus.com>
5572
5573	* dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
5574
5575	* dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
5576
5577	* dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
5578	is the primary DIE for a member function.
5579	(gen_decl_die): Call set_decl_origin_self here.
5580	* dwarfout.c (output_decl): And here.
5581	* integrate.c (output_inline_function): Not here.
5582	Don't clear DECL_INLINE until after calling rest_of_compilation.
5583	(set_decl_origin_self): No longer static.
5584	* tree.h: Add prototype.
5585	* toplev.c (note_deferral_of_defined_inline_function): Only write
5586	out abstract instance for actual inlines.
5587
55882000-04-25  Alexandre Oliva  <aoliva@cygnus.com>
5589
5590	* config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
5591	EXTENDED_REGS only if TARGET_AM33.
5592	* config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
5593	SP_REGS to register allocation and reloading unless absolutely
5594	necessary.
5595	(movsi3): Remove special-case of adding non-constants to SP.
5596
55972000-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5598
5599	* aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
5600	INCLUDES to search and does not provide any of its own.  Also it
5601	now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
5602	parameters.  Also it does not call AC_DEFINE.
5603	(gcc_AC_NEED_DECLARATIONS): Likewise.  Also this macro now calls
5604	AC_DEFINE and provides for automatic entries for autoheader.
5605	(gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
5606
5607	* configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
5608	so we can pass -I flags and include gansidecl.h/system.h in this
5609	test.
5610
5611	* acconfig.h: Delete all NEED_DECLARATION_* entries.
5612
56132000-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5614
5615	* acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5616	ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5617	ENABLE_GC_ALWAYS_COLLECT): Delete entries.
5618
5619	* configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5620	ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5621	ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
5622	for these macros.  Clean up spacing and linewraps.
5623
56242000-04-26  Jason Merrill  <jason@casey.cygnus.com>
5625
5626	* calls.c (expand_call): Use get_callee_fndecl.
5627
5628	* print-tree.c (print_node): Print the chain of an _EXPR.
5629
5630Tue Apr 25 16:16:04 2000  Andrew MacLeod  <amacleod@cygnus.com>
5631			  Jim Wilson  <wilson@cygnus.com>
5632			  Andrew Haley  <aph@cygnus.com>
5633
5634	* config/ia64/crtbegin.asm: Add IA-64 unwind support.  Correct alloc
5635	and gp save/restore problems.
5636	* config/ia64/crtend.asm: Add IA-64 unwind support.
5637	* config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
5638	in fr_pad_size calculation.
5639	(save_restore_insns): Move PR save area.  Correct uses of
5640	RTX_FRAME_RELATED_P.
5641	(ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
5642	(ia64_expand_epilogue): Add eh_epilogue support.
5643	(ia64_function_prologue): Emit .prologue directive.
5644	(ia64_init_machine_status, ia64_mark_machine_status): New functions.
5645	(ia64_override_options): Set init_machine_status and
5646	mark_machine_status.
5647	(rtx_needs_barrier): Handle bsp reads and writes.
5648	(spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
5649	New static variables.
5650	(process_set, process_for_unwind_directive): New functions.
5651	* config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
5652	ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
5653	ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
5654	macros.
5655	(EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
5656	(IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
5657	(struct machine_function): Define.
5658	* config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
5659
56602000-04-25  Bruce Korb  <bkorb@gnu.org>
5661
5662	* fixinc/Makefile.in: make the removal of old programs more
5663	robust
5664	* fixinc/mkfixinc.sh: use the two new targets in the Makefile:
5665	install-bin and install-sh
5666
56672000-04-25  Nick Clifton  <nickc@cygnus.com>
5668
5669	* integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
5670	defined, define to return zero.
5671	(function_cannot_inline_p): If a function has any target
5672	specific attributes, then use the macro
5673	FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
5674	whether it can be inlined.  If it cannot, issue a suitable
5675	explanation.
5676
5677	* tm.texi: Add a new node 'Inlining' to document the new macro
5678	FUNCTION_ATTRIBUTE_INLINABLE_P.
5679
56802000-04-25  Zack Weinberg  <zack@wolery.cumb.org>
5681
5682	* cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
5683	commentary.
5684
56852000-04-25  Neil Booth  <NeilB@earthling.net>
5686
5687	Restore previous patch, plus the following fixes:
5688
5689	* cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
5690	flags, not CPP_OPEN_PAREN.
5691	* cpplex.c (expand_token_space, init_token_list,
5692	cpp_free_token_list): Put the dummy token at list->tokens[-1].
5693	(_cpp_lex_line, _cpp_lex_file): token list is 0-based.
5694
5695Tue Apr 25 14:06:40 2000  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
5696
5697	* config/i386/freebsd.h (INT_ASM_OP): Define.
5698
5699Tue Apr 25 14:51:07 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5700
5701	* loop.c (strength_reduce): Fix typo in the last checkin.
5702
5703Tue Apr 25 07:33:12 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5704
5705	* stor-layout.c (finalize_record_size): Simplify to use existing
5706	functions.
5707	(compute_record_mode): No longer static.
5708	* tree.h (compute_record_mode): New declaration.
5709
57102000-04-25  Neil Booth  <NeilB@earthling.net>
5711
5712	* Revert my patch below until cause of build failures
5713	determined.
5714
57152000-04-25  Richard Henderson  <rth@cygnus.com>
5716
5717	* combine.c (combine_instructions): Add missing argument
5718	to try_combine.
5719
5720	* toplev.c (rest_of_compilation): Delay sibcall optimization
5721	until after emit_eh_context.
5722
57232000-04-24  Nick Clifton  <nickc@redhat.com>
5724
5725	* combine.c (combine_instructions): Do not try to combine a
5726	sequence of insns when the second insn has been replaced by a
5727	note.
5728
5729Mon Apr 24 17:34:18 2000  Mumit Khan  <khan@xraylith.wisc.edu>
5730
5731	* gcc.c (load_specs): New static function.
5732	(read_specs): Use it.
5733
5734	* gcc.c (lookup_compiler): Make multiple passes for case
5735	insensitive filesystems.
5736
57372000-04-24  Neil Booth  <NeilB@earthling.net>
5738
5739	* cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
5740	* cpphash.h (_cpp_check_directive): new.
5741	* cpplex.c (handle_newline, cpp_free_token_list,
5742	init_trigraph_map, trigraph_ok, trigraph_replace,
5743	backslash_start, skip_block_comment, skip_line_comment,
5744	skip_whitespace, parse_name, parse_number, parse_string,
5745	copy_comment, _cpp_lex_line, spell_char, spell_string,
5746	spell_comment, spell_name, spell_other, _cpp_lex_file,
5747	_cpp_output_list): new.
5748	(expand_name_space): take length argument.
5749	(init_token_list): add comment list initialisation.
5750	(cpp_scan_line): use auto_expand_name_space.  PREV_WHITESPACE
5751	instead of HSPACE_BEFORE.
5752
5753	* cpplib.c (_cpp_check_directive): new
5754	* cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
5755	DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
5756	(HSPACE_BEFORE): delete.
5757	(TTYPE_TABLE): rearrange.
5758	(struct cpp_toklist): update.
5759
57602000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5761
5762	* aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
5763	gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
5764	argument form of AC_DEFINE.
5765
5766	* configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
5767	HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
5768	WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
5769	HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
5770	HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
5771
5772	* acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
5773
57742000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5775
5776	* Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
5777	deduced.h): Use -isystem, not -I, for including system headers.
5778
57792000-04-24  Nick Clifton  <nickc@cygnus.com>
5780
5781	* config/fr30/fr30.md (addsi3): Do not use small add instruction if
5782	the source register is the frame pointer or arg pointer.
5783	(addsi3_small_int): Disallow if source register is the frame
5784	pointer or arg pointer.
5785
57862000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5787
5788	* configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
5789	call to AC_MSG_RESULT.
5790
57912000-04-24  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
5792
5793	* invoke.texi: Correct grammatical errors, document
5794	-fno-gnu-keywords as identical to -fno-asm for C++.
5795
57962000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5797
5798	* aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
5799	GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
5800	GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
5801	AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
5802	EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
5803
5804	* configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
5805	GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
5806	GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
5807	GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
5808	new macros names.
5809
58102000-04-24  Mumit Khan  <khan@xraylith.wisc.edu>
5811
5812	* c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
5813	(pop_alignment): Likewise.
5814	(handle_pragma_token): Likewise.
5815
58162000-04-24  Robert Lipe <robertlipe@usa.net>
5817
5818	* tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
5819
58202000-04-24  Hiroyuki Machida <machida@sm.sony.co.jp>
5821
5822	* combine.c (try_combine): Update reg_nonzero_bits of
5823	newi2pat before newpat.
5824
5825Mon Apr 24 10:19:48 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5826
5827	* loop.c (strength_reduce): Simplify test to INSN_P.
5828	(record_giv): Attempt to simplify the add value, use CONSTANT_P
5829	expressions instead of CONST_INT.
5830	(express_from_1): Likewise.
5831
58322000-04-24  Mark Mitchell  <mark@codesourcery.com>
5833
5834	* regs.h (reg_n_max): Don't declare.
5835	* flow.c (reg_n_max): Don't define.
5836	* regclass.c (renumber): Don't initialize to zero.
5837	(regno_allocated): Likewise.
5838	(reg_n_max): Define.
5839	(allocate_reg_info): Don't initialize unnecessarily.
5840
5841Mon Apr 24 00:21:36 2000  Jeffrey A Law  (law@cygnus.com)
5842
5843	* genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
5844	and blockage_p in the newly allocated attribute.
5845
5846Sun Apr 23 20:16:49 2000  Alexandre Oliva  <aoliva@cygnus.com>
5847
5848	* config/mn10300/mn10300.md (addsi): `inc4' on address
5849	registers does not modify cc, but `inc' on an extended
5850	register does.
5851
5852Sun Apr 23 16:24:35 2000  Denis Chertykov  <denisc@overta.ru>
5853
5854	* reload.c (find_equiv_reg): Checks all valueno regs
5855	as a reload_reg_p regs.
5856
58572000-04-23  Zack Weinberg  <zack@wolery.cumb.org>
5858
5859	* cpphash.c (collect_objlike_expansion): Add sanity check.
5860	(special_symbol): Remove case T_CONST, T_XCONST, T_MCONST.  If
5861	the buffer is the empty string, return.  Mark __DATE__ and
5862	__TIME__ as XCONST nodes, not MCONST.
5863	(_cpp_macroexpand): Avoid pushing an empty buffer.
5864	(funlike_macroexpand): Don't pop token_buffer here.
5865
5866Sun Apr 23 18:37:53 2000  Alexandre Oliva  <aoliva@cygnus.com>
5867
5868	* config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
5869	(REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
5870	(REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
5871	(REGNO_OK_FOR_BASE_P): Define in terms of them.
5872	(REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
5873	(REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
5874	(REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
5875
5876Sun Apr 23 22:23:08 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5877
5878	* loop.c (simplify_giv_expr):  Be more agressive on simplifying
5879	constant MULT givs.
5880
58812000-04-23  Zack Weinberg  <zack@wolery.cumb.org>
5882
5883	* cpphash.h (struct definition): Move file, line, col members...
5884	(struct hashnode): ... here.  Also add 'disabled' flag.
5885	(enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
5886	T_IDENTITY.  Remove T_DISABLED.
5887	Update prototypes.
5888
5889	* cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
5890	(collect_expansion): Split into collect_objlike_expansion and
5891	collect_funlike_expansion.
5892	(_cpp_macroexpand): Split out scan_arguments, stringify, and
5893	funlike_macroexpand.
5894	(_cpp_compare_defs): Rename compare_defs, make static.
5895	(_cpp_make_hashnode): Initialize hp->disabled.
5896	(macro_cleanup): Adjust for new token types.  Clear
5897	m->disabled.
5898	(_cpp_create_definition): Move code here to determine what
5899	sort of macro it is, and code to check for redefinitions, from
5900	do_define.  Implement a few simple cases without creating a
5901	full DEFINITION.
5902	(_cpp_macroexpand, special_symbol, _cpp_dump_definition):
5903	Handle the simple cases.
5904	(push_macro_expansion): Set buf->has_escapes and hp->disabled
5905	here.
5906
5907	* cppinit.c (builtin_array): Change MCONST to XCONST
5908	everywhere.
5909	* cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
5910	fix check for disabled and function-like macros.
5911	* cpplib.c (do_define): Move most logic to
5912	_cpp_create_definition.
5913	(do_undef): Handle new special token types.
5914
5915Sun Apr 23 14:27:44 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5916
5917	* loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
5918	of CONSTANT_P for mult_val; always use validate_change to update insn.
5919
59202000-04-22  Zack Weinberg  <zack@wolery.cumb.org>
5921
5922	* cpphash.c (trad_stringify, add_pat): New functions.
5923	(collect_expansion): Restore support for -traditional syntax.
5924	Use trad_stringify and add_pat.
5925	(_cpp_macroexpand): Restore support for -traditional semantics.
5926	* cpplex.c (_cpp_scan_line): Don't change space_before if we
5927	get a COMMENT token.
5928	(_cpp_lex_token): Provide COMMENT tokens to caller if
5929	traditional and parsing_define_directive.
5930	(skip_comment): Warn about // comments if -Wtraditional.
5931	* cpplib.c (do_define): Fix typo.  Create EMPTY nodes with
5932	proper node type.
5933	(do_undef): Don't warn about undefining EMPTY nodes.
5934
5935Sat Apr 22 22:35:38 MET DST 2000  Jan Hubicka  <jh@suse.cz>
5936
5937	* loop.c (strength_reduce): Fix biv removal code.
5938
59392000-04-22  Richard Henderson  <rth@cygnus.com>
5940
5941	* predict.c (estimate_probability): Examine both sides of
5942	a branch for no exits.  Use 90% not 50% for predict taken.
5943	Reorg for one copy of note generation code.
5944
59452000-04-22  Richard Henderson  <rth@cygnus.com>
5946
5947	* flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
5948
59492000-04-22  Richard Henderson  <rth@cygnus.com>
5950
5951	* diagnostic.c (init_output_buffer): Don't initialize format_args.
5952	(output_clear): Likewise.
5953	(output_printf): Use va_copy.
5954	(vline_wrapper_message_with_location): Likewise.
5955	(v_message_with_decl): Likewise.
5956	(line_wrapper_printf): VA_START infor buffer.format_args directly.
5957	* system.h (va_copy): Provide default implementation.
5958
59592000-04-22  Richard Henderson  <rth@cygnus.com>
5960
5961	* predict.c (expected_value_to_br_prob): Don't bomb if op1 of
5962	the collected condition is not a constant.
5963
59642000-04-22  Gabriel Dos Reis  <gdr@codesourcery.com>
5965
5966	* diagnostic.h: New file.
5967
5968	* Makefile.in (diagnostic.o): Depends on diagnostic.h
5969
5970	* diagnostic.c: Tweak.  Rationalize the output logic.  Adjust
5971	various function prototypes.
5972	(diagnostic.h): #include.
5973	(struct output_buffer): Move into diagnostic.h.
5974	(get_output_prefix): Rename to output_get_prefix.  Export.
5975	(init_output_buffer): Export. Break out.  Adjust initialization.
5976	(output_space_left, output_append): Export.
5977	(output_newline): Rename to output_add_newline.  Export.
5978	(output_clear): Nullify additional output_buffer fields.
5979	(output_puts): Rename to output_add_string.  Export.
5980	(dump_output): Rename to output_flush_on.  Export.
5981	(build_location_prefix): Constify return-type.
5982	(emit_output_prefix): Rename to output_emit_prefix. Export.
5983	(set_real_maximum_length): New function.
5984	(output_set_maximum_length): Ditto
5985	(output_clear): Ditto.
5986	(output_add_character): Ditto.
5987	(output_add_integer): Ditto.
5988	(output_add_space): Ditto.
5989	(output_format): Ditto.
5990	(output_printf): Adjust buffer initialization.
5991	(vline_wrapper_message_with_location): Ditto.
5992	(v_message_with_decl): Ditto.  Adjust call to output_puts
5993	and get_output_prefix.
5994	(default_print_error_function): Adjust buffer initialization.
5995
5996Sat Apr 22 06:45:04 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5997
5998	* expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
5999	of VOID_TYPE.
6000
6001Fri Apr 21 18:33:09 2000  Alexandre Oliva  <aoliva@cygnus.com>
6002
6003	* config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
6004	of explicit 0.
6005
6006Fri Apr 21 18:30:00 2000  Alexandre Oliva  <aoliva@cygnus.com>
6007
6008	* config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
6009	accurate data about SP moves.
6010
6011Fri Apr 21 18:28:28 2000  Alexandre Oliva  <aoliva@cygnus.com>
6012
6013	* config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
6014	aliases to AM33 registers.
6015
6016Fri Apr 21 18:26:17 2000  Alexandre Oliva  <aoliva@cygnus.com>
6017
6018	* config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
6019	to all EXTENDED bitmaps.
6020
6021Fri Apr 21 18:17:12 2000  Alexandre Oliva  <aoliva@cygnus.com>
6022
6023	* config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
6024	* config/mn10300/mn10300.h (ADDRESS_COST): New macro.
6025	* config/mn10300/mn10300.c (mn10300_address_cost): New function.
6026
6027Fri Apr 21 18:11:56 2000  Alexandre Oliva  <aoliva@cygnus.com>
6028
6029	* config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
6030	the operand is not constant.
6031
6032Fri Apr 21 14:58:29 2000  Denis Chertykov  <denisc@overta.ru>
6033
6034	* reload.c (find_equiv_reg): Checks all valueno and regno regs
6035	as a call-clobbered regs.
6036
6037Fri Apr 21 13:30:26 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6038
6039	* rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
6040	* rtl.h: Likewise.
6041	* rtl.def: Update comment.
6042	* function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
6043	* integrate.c (expand_inline_function): Likewise.
6044	* profile.c (branch_prob): Likewise.
6045	* ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
6046	* print-rtl.c (print_rtx): Likewise.
6047	* haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
6048	(reemit_notes): Likewise; also use enum insn_note.
6049
6050	* stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
6051	(place_field): Properly compute know and actual alignment.
6052
6053	* gengenrtl.c (gencode): Write obstack_alloc_rtx function start
6054	in proper format.
6055
6056	* cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
6057	note for REG1.
6058
60592000-04-21  Zack Weinberg  <zack@wolery.cumb.org>
6060
6061	* cpphash.c (struct arg, struct arglist): Const-ify strings.
6062	(warn_trad_stringify, duplicate_arg_p): New helper functions.
6063	(collect_expansion): Rewrite to scan over a token list.
6064	Remove -traditional support.
6065	(collect_formal_parameters): Rename to collect_params; rewrite
6066	to scan over a token list.
6067	(_cpp_create_definition): Adjust to scan a token list.
6068	(_cpp_macroexpand): Remove -traditional support.
6069	(_cpp_compare_defs): Whitespace is now canonicalized.
6070	(comp_def_part): Delete function.
6071
6072	* cpphash.h: Update prototypes.
6073	* cpplex.c (init_token_list): Don't set lineno if there is no
6074	buffer.
6075	(pedantic_whitespace): New function.
6076	(_cpp_scan_line): Mark tokens that had hspace before.  Don't
6077	consume a newline.  Use pedantic_whitespace.
6078	(_cpp_lex_token): Remove support for -traditional macros.
6079	(_cpp_get_define_token): Delete.
6080	(_cpp_get_directive_token): Do the real work here.  Use
6081	pedantic_whitespace.
6082	(_cpp_init_input_buffer): Initialize pfile->directbuf.
6083
6084	* cpplib.c (get_macro_name): Delete.
6085	(do_define): Read the entire line into pfile->directbuf, then
6086	feed the token list to _cpp_create_definition.
6087	* cpplib.h (HSPACE_BEFORE): new define.
6088	(struct cpp_reader): Add a toklist member, "directbuf".
6089
6090	* predict.c (estimate_probability): New heuristic: if a jump
6091	branches around a block with no successors, predict it taken.
6092	Disentangle control flow.
6093
60942000-04-20  Richard Henderson  <rth@cygnus.com>
6095
6096	* loop.c (emit_iv_add_mult): Revert last change.
6097
60982000-04-20  Zack Weinberg  <zack@wolery.cumb.org>
6099
6100	* cpplib.h (enum cpp_ttype): Add token types for all
6101	punctuators.  Distinguish pp-numbers from valid C numbers.
6102	Give some tokens better names.  Initialize from macro.
6103	(struct cpp_name, cpp_token, cpp_toklist): New data
6104	structures.
6105	Update prototypes.
6106	* cpplex.c (bump_column, expand_name_space,
6107	expand_token_space, init_token_list, cpp_output_list,
6108	_cpp_scan_line):  New functions.
6109	(output_line_command): Add third argument, new line number.
6110	* cpphash.h: Update prototypes.
6111	* cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
6112	token names.
6113
61142000-04-20  Richard Henderson  <rth@cygnus.com>
6115
6116	* config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
6117
61182000-04-20  Zack Weinberg  <zack@wolery.cumb.org>
6119
6120	* c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
6121	object pointed to.
6122
6123Thu Apr 20 14:19:18 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6124
6125	* loop.c (emit_iv_add_mult):  Simplify it's input and emit
6126	REG_EQUAL note explaining the calculated value.
6127
6128	* calls.c (expand_call): Avoid unnecesary precalculation
6129	and outgoing parameters space guarding for sibling calls.
6130	(store_one_arg): Likewise.
6131
6132Thu Apr 20 08:01:07 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6133
6134	* toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
6135	(rest_of_compilation): Write sibling dump file and account
6136	for time as jump time.
6137	* invoke.texi: Update documentation on dump flags.
6138
61392000-04-19  Marek Michalkiewicz  <marekm@linux.org.pl>
6140
6141	* avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
6142
61432000-04-19  Zack Weinberg  <zack@wolery.cumb.org>
6144
6145	* cpphash.c (special_symbol): Represent an empty macro with
6146	"\r \r " not just "\r ".
6147	(_cpp_macroexpand): Correct condition for the foo ( ) special
6148	case.
6149	(unsafe_chars): Handle EOF as second argument.
6150	(push_macro_expansion): Simplify test for removing escape at
6151	end.  Do not trim both escapes if there is no text in between.
6152
61532000-04-19  Jim Blandy  <jimb@redhat.com>
6154
6155	* dwarf2out.c (DWARF2_ADDR_SIZE): New macro.  Use it instead
6156	of PTR_SIZE, when appropriate.
6157
61582000-04-19  Mark Mitchell  <mark@codesourcery.com>
6159
6160	* system.h (ONLY_INT_FIELDS): Make sure it is defined.
6161	(USE_ENUM_BITFIELDS): Fix typo.
6162
6163Wed Apr 19 12:14:55 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6164
6165	* stor-layout.c (place_field): Set rli->offset_align properly.
6166
61672000-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6168
6169	* mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
6170	INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
6171	PARM_BOUNDARY): Remove unnecessary casts.
6172
6173Wed Apr 19 12:02:37 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6174
6175	* calls.c (precompute_arguments): Remove must_preallocate and
6176	args_size calls.
6177	(expand_call): Update call of precompute_arguments.
6178
6179	* loop.c (check_insn_for_bivs, for_every_insn_in_loop,
6180	check_insn_for_givs): Break out from ...
6181	(strength_reduce) ... here; use for_every_insn_in_loop to call
6182	check_insn_for_givs.
6183	* loop.h (for_every_insn_in_loop): Declare.
6184	(loop_insn_callback): New type.
6185
61862000-04-18  Zack Weinberg  <zack@wolery.cumb.org>
6187
6188	* cpplib.c (do_pragma_poison):  Strings in the token buffer are
6189	not nul-terminated.
6190
6191Tue Apr 18 16:04:12 2000  Jim Wilson  <wilson@cygnus.com>
6192
6193	* config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
6194	flag_pic and RELOC.
6195
61962000-04-18  Zack Weinberg  <zack@wolery.cumb.org>
6197
6198	* cccp.c, cexp.y, cexp.c, cccp.1: Removed.
6199
6200	* configure.in: Delete --disable-cpplib option and all
6201	references to cpp_main.
6202	* configure: Regenerate.
6203	* Makefile.in: Remove all references to CCCP, CCCP_OBJS,
6204	@cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
6205	cccp.o, cccp, or cppmain.  Link cppmain.o straight to
6206	cpp$(exeext).  Add --no-headers to makeinfo command line when
6207	generating INSTALL.  Install and uninstall cpp.1 manpage, not
6208	cccp.1.
6209	* install.texi: Delete all references to cexp.y/cexp.c.
6210	Delete ancient instructions for compiling GCC on 3b1.
6211	* INSTALL: Regenerate.
6212
6213	* cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
6214	mips/t-elf, mips/t-r3900: Remove references to cccp.c.
6215	* convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
6216	cexp.c/cexp.y.
6217	* xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
6218	which is no longer tested anywhere.
6219
6220	* cppinit.c (handle_option): Don't run error message through
6221	gettext twice.
6222
6223Tue Apr 18 14:16:47 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6224
6225	* conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
6226	* cpperror.c (hashtab.h): Now include.
6227	* cppexp.c (hashtab.h): Likewise.
6228	* cpplex.c (hashtab.h): Likewise.
6229	* cppfiles.c (hashtab.h): Likewise.
6230	(find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
6231	to htab_find_slot_with_hash.
6232	* cpphash.c (hashtab.h): Now include.
6233	(_cpp_lookup_slot): INSERT is now enum insert_option.
6234	* cpphash.h (_cpp_lookup_slot): Likewise.
6235	* cppinit.c (hashtab.h): Include earlier.
6236	(initialize_builtins): Pass enum to htab_find_slot.
6237	* cpplib.c (hashtab.h): Now include.
6238	(do_define, do_undef): Pass enum type to _cpp_lookup_slot.
6239	(do_pragma_poison, do_assert): Likewise.
6240	* emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
6241	htab_find_slot_with_hash.
6242	* simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
6243	* tree.c (type_hash_add): Likewise.
6244	(build1): Minor cleanup.
6245
6246	* ggc-common.c: Add missing blanks.
6247	* print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
6248	* tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
6249
6250	* stmt.c (mark_case_node): New function.
6251	(mark_case_nesting): Call it.
6252
6253	* expmed.c (emit_store_flag): If comparing two-word integer
6254	with zero, can optimize NE, EQ, GE, and LT.
6255
6256	* c-decl.c (mark_binding_level): Use 'for' instead of `while'.
6257	* conflict.c: Minor cleanups.
6258	* optabs.c: Add blank line
6259	* simplify-rtx.c: Minor cleanups.
6260
62612000-04-18  Stan Cox  <scox@cygnus.com>
6262
6263	* gengenrtl.c (genlegend): Fix misspelling.
6264
62652000-04-18  Robert Lipe  <robertlipe@usa.net>
6266
6267	* configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added.  Check that
6268	bitfields of the host compiler are not signed quantities.
6269	* config.in: Regenerate.
6270	* configure: Regenerate.
6271	* system.h (USE_ENUM_BITFIELDS): Added.
6272	(ENUM_BITFIELDS): Added.
6273	* rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
6274	(SHORT_ENUM_BUG): Deleted.
6275	* tree.h (tree_common): Members `code', `mode', `built_in_class',
6276	now ENUM_BITFIELD.
6277	* config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
6278	(CODE_FIELD_BUG): Likewise.
6279	* config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
6280	(OLD_CC): Likewise.
6281	* config/m68k/x-ccur (X_CFLAGS): Likewise.
6282
62832000-04-18  Mark Mitchell  <mark@codesourcery.com>
6284
6285	* cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
6286	mark is active.
6287
62882000-04-17  Zack Weinberg  <zack@wolery.cumb.org>
6289
6290	* cppexp.c (lex): Don't assume tokens are NUL terminated.
6291	* cpplib.c (do_include, do_import, do_include_next,
6292	read_line_number, detect_if_not_defined): Likewise.
6293	* cpphash.c (collect_expansion): Likewise.
6294	(special_symbol, _cpp_macroexpand): Check return from
6295	cpp_file_buffer.
6296	* cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
6297	macros.  Delete all uses.
6298
6299	* gcc.dg/cpp-mi.c: Add two more test cases.
6300	* gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
6301
63022000-04-17  Richard Henderson  <rth@cygnus.com>
6303
6304	* bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
6305	(reorder_basic_blocks): If no epilogue in rtl, force last block last.
6306
63072000-04-17  Mark Mitchell  <mark@codesourcery.com>
6308
6309	* function.c (expand_function_start): Use hard_function_value to
6310	compute the RTL to use for DECL_RESULT.
6311
6312Mon Apr 17 23:35:29 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6313
6314	* i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
6315	(x86_integer_DFmode_moves, x86_partial_reg_dependency,
6316	 x86_memory_mismatch_stall): New global variables.
6317	(ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
6318	alloved; fix load penalties for Athlon.
6319	* i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6320	x86_memory_mismatch_stall): Declare.
6321	(TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
6322	 TARGET_MEMORY_MISMATCH_STALL): New.
6323	* i386.md (athlon scheduling parameters): Fix latencies according to
6324	Athlon Optimization Manual.
6325	(sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
6326	vector.
6327	(fsqrt instruction patterns): Set athlon_decode to direct.
6328	(movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
6329	PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
6330	(movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
6331	and TARGET_PARTIAL_REGISTER_STALL machines.
6332	(pushdf_nointeger): New pattern.
6333	(pushdf_integer): Rename from pushdf.
6334	(movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
6335	(movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
6336
63372000-04-17  Richard Henderson  <rth@cygnus.com>
6338
6339	* loop.c (canonicalize_condition): Add WANT_REG argument.
6340	Stop the search if we match it.
6341	* expr.h (canonicalize_condition): Update decl.
6342	* predict.c (expected_value_to_br_prob): Use it.  Track last
6343	expected value note.
6344	(find_expected_value): Remove.
6345
6346	* reorg.c (mostly_true_jump): Always use BR_PROB if present.
6347
63482000-04-17  Zack Weinberg  <zack@wolery.cumb.org>
6349
6350	* aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
6351	(AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6352	a plain file.
6353	* configure.in: Call AC_FUNC_MMAP_FILE.
6354	* configure: Regenerate.
6355	* config.in: Regenerate.
6356
6357	* intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
6358	* fixinc/fixincl.c: Likewise.
6359
63602000-04-17  Richard Henderson  <rth@cygnus.com>
6361
6362	* builtins.c (expand_builtin_expect): New.
6363	(expand_builtin): Call it.
6364	* builtins.def (BUILT_IN_EXPECT): New.
6365	* c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
6366	* extend.texi: Document it.
6367
6368	* predict.c (expected_value_to_br_prob): New.
6369	(find_expected_value): New.
6370	* basic-block.h (expected_value_to_br_prob): Declare.
6371	* toplev.c (rest_of_compilation): Invoke it.
6372
6373	* rtl.h (NOTE_EXPECTED_VALUE): New.
6374	(NOTE_INSN_EXPECTED_VALUE): New.
6375	* rtl.c (note_insn_name): Update.
6376	* print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
6377	cases; handle NOTE_INSN_EXPECTED_VALUE.
6378
63792000-04-17  Jakub Jelinek  <jakub@redhat.com>
6380
6381	* config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
6382	leaf sibcall delay slot if flag_pic.
6383	(output_sibcall): Always emit call for leaf sibcall if flag_pic.
6384
63852000-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6386
6387	* Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
6388
6389	* fixproto: If fix-header fails, exit with an error.
6390
6391Mon Apr 17 14:59:36 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6392
6393	* cse.c (struct check_dependence_data): New.
6394	(check_dependence): New function.
6395	(invalidate): Use check_depdenence.
6396
63972000-04-16  Mark Mitchell  <mark@codesourcery.com>
6398
6399	* dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
6400	UNITS_PER_WORD is unsigned.
6401
6402	* tree.h (struct tree_common): Remove misleading comment.
6403
64042000-04-16  Dave Pitts  <dpitts@cozx.com>
6405
6406	* Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6407	message in quotes. Otherwise, IBM's make program treats the '#' as the
6408	start of a comment and ignores the remainder of the line.
6409
6410	* c-lex.c (yylex): Change for EBCDIC, lower case characters precede
6411	upper case.
6412	* cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6413	* cexp.y (initialize_random_junk): Likewise.
6414	* cppfiles.c (find_include_file): Cast alloca return value.
6415	* cppinit.c (initialize_standard_includes): Likewise.
6416	* cpplib.c (cpp_define, cpp_undef): Likewise.
6417	* defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6418	* final.c (output_asm_insn): Allow for holes in EBCDIC.
6419	* fold-const.c (CHARMASK): New.
6420	(real_hex_to_f): Use it.
6421	* real.c (CHARMASK): New.
6422	(etoasc, asctoeg): Use it.
6423	(asctoeg): EBCDIC lower case characters precede upper case.
6424
6425	* i370.c (mvs_add_label): Change spacing for coding conventions.
6426	* i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6427	outputting case vectors.
6428	(ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6429	(ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6430	since vector in in the data CSECT.
6431	(ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6432	* i370.md (Many patterns): Put the length in the XL directives.
6433	(movdi): Put back STM and MVC in definition.
6434	(floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6435	pattern using the TCA.
6436	* oe.h (CPP_SPEC): Added to allow trigraphs.
6437	* xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6438	not support the "long long" type.
6439
64402000-04-16  Mark Mitchell  <mark@codesourcery.com>
6441
6442	* config/mips/mips-protos.h (mips_legitimate_address_p): New
6443	function.
6444	(mips_reg_mode_ok_for_base_p): Likewise.
6445	* config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6446	(REG_OK_FOR_INDEX_P): Define unconditionally.
6447	(REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6448	(GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6449	* config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6450	that GET_MODE_SIZE is unsigned.
6451	(mips_reg_mode_ok_for_base_p): Define.
6452	(mips_legitimate_address_p): Likewise.  Adjust now
6453	that GET_MODE_SIZE is unsigned.
6454	(block_move_loop): Make the number of bytes unsigned.
6455	(expand_block_move): Likewise.
6456	(function_arg): Make the loop counter unsigned to match the
6457	boundary condition.
6458
64592000-04-16  Richard Henderson  <rth@cygnus.com>
6460
6461	* rtl.h (enum insn_note): New enumeration.  Subsume
6462	NOTE_INSN_DELETED and friends.
6463	(GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6464	* rtl.c (note_insn_name): Tweak string order.
6465
64662000-04-15  Zack Weinberg  <zack@wolery.cumb.org>
6467
6468	* cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6469	to offset * 2.
6470
6471	* cpplex.c (output_line_command): Remove debugging prints.
6472	(cpp_output_tokens): Don't write out a zero-length buffer or
6473	try to see if it has a newline in it.
6474	(_cpp_expand_to_buffer): Copy the source buffer before pushing.
6475	(_cpp_read_and_prescan): Move shift-down of pushback bytes to
6476	the end of the loop.  Use memmove.  Don't read past the end of
6477	the buffer.  Remove trailing newlines from error messages.
6478
64792004-04-16  Neil Booth  <NeilB@earthling.net>
6480
6481	* cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6482	* cpplib.c: Add new syntax flags to directive table, and
6483	supporting macros.
6484
64852000-04-15  Ulrich Drepper  <drepper@redhat.com>
6486
6487	* i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6488	using ret $N.
6489
64902000-04-15  David Edelsohn  <edelsohn@gnu.org>
6491
6492	* toplev.c (display_help): Prefix "f" to "sched-verbose=".
6493	* haifa-sched.c: Update -fsched-verbose comments to use "=".
6494
6495Sat Apr 15 10:59:19 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6496
6497	* Makefile.in (ggc-page.o): Now includes toplev.h.
6498	* ggc-page.c (toplev.h): Now included.
6499	(gc_time): Remove declaration.
6500	(ggc_collect): TIME now long.
6501	* toplev.c (parse_time, varasm_time, gc_time): Still global; all
6502	others static.
6503	* toplev.h (gc_time, parse_time, gc_time): New declarations.
6504
6505	* toplev.c: Make *_time variable long to reduce chance of overflow.
6506	(TIMEVAR): Likewise for `otime'.
6507	(print_time): Arg is now long; compute percentage in FP and round.
6508	* toplev.h (print_time): Arg is long.
6509
6510	* tree.c: Minor whitespace changes.
6511
6512	* configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6513	* configure: Rebuilt.
6514	* libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6515	(__fixunsxfDI): Renamed from __fixunsxfdi.
6516	(__fixunsdfDI): Renamed from __fixunsdfdi.
6517	(__fixunssfDI): Renamed from __fixunssfdi.
6518	(__floatdisf): Use proper type in REP_BIT macro.
6519	(__fixunsxfSI): Renamed from __fixunsxfsi.
6520	(__fixunsdfSI): Renamed from __fixunsdfsi.
6521	(__fixunssfSI): Renamed from __fixunssfsi.
6522	* libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6523	Change location of macros and upper-case some names as above.
6524	* longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6525	* config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6526
6527	* varasm.c (assemble_variable): Add cast to remove warning.
6528	(immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6529
6530	* flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6531	* optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6532	region number to -1.
6533
65342000-04-15  Richard Earnshaw (rearnsah@arm.com)
6535
6536	* emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6537	call unshare_all_rtl.
6538
6539	* arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6540
6541Fri Apr 14 16:58:45 2000  Jim Wilson  <wilson@cygnus.com>
6542
6543	* config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
6544	Use .s1 not .s0 for all FP instructions.
6545
65462000-04-14  Zack Weinberg  <zack@wolery.cumb.org>
6547
6548	* cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
6549	interfaces.
6550	(safe_fwrite, output_line_command): New static functions.
6551	(cpp_expand_to_buffer): Now private to cpplib.
6552	(cpp_scan_buffer): Take a printer.
6553
6554	* cpphash.h: Update prototypes.
6555	* cpplib.h: Update prototypes.
6556	(cpp_printer): New.
6557	(cpp_buffer): Remove last_nominal_fname.
6558	(cpp_reader): Remove lineno.
6559
6560	* cppmain.c: Use a cpp_printer.
6561	* fix-header.c: No need to inhibit line commands.  Call
6562	cpp_start_read with no printer.
6563
6564	* cpperror.c (cpp_notice_from_errno): Provide default name.
6565	* cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
6566	(find_include_file, cpp_read_file): Use make_IHASH.
6567	(file_cleanup): Set control_macro and clear
6568	input_stack_listing_current here.
6569	(_cpp_execute_include): Don't output entering-file marker.
6570	* cpphash.c (special_symbol): Look for the line number in the
6571	buffer, not the reader.
6572	(_cpp_macroexpand): No need to disable line commands.
6573	(_cpp_dump_definition): No need to generate line commands.
6574	(dump_hash_helper): Remove excess newline from output.
6575	* cppinit.c (dump_special_to_buffer): No need to generate line
6576	commands.
6577	(cpp_printer_init): New.
6578	(cpp_start_read): Take a printer, and start it up if it's not
6579	NULL.  No need to generate line commands.
6580	(cpp_finish): Expect no buffers stacked at all.  Take a
6581	printer argument, and flush the output buffer if it's not
6582	NULL.
6583	* cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
6584	Don't put two hashes at the beginning of an assertion.
6585	(cpp_get_token): Don't increment pfile->lineno or emit line
6586	commands here.  Return EOF if there's no buffer when we get
6587	EOF.
6588	* cpplib.c (do_define, skip_if_group):
6589	No need to disable line commands.
6590	(_cpp_output_line_command): Delete function.
6591	(do_line): Don't emit line commands here, but set things up so
6592	they will be emitted if necessary.  Use _cpp_fake_ihash to
6593	make unique nominal_fnames if necessary.
6594	(do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
6595	with 0 for column, not -1.
6596	(_cpp_handle_eof): Don't set the control macro here.  Don't
6597	clear input_stack_listing_current here.  Don't emit line
6598	commands.
6599
66002000-04-14  Geoff Keating  <geoffk@cygnus.com>
6601
6602	* config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
6603	always, use the default SVR4 start address.
6604
6605	* config/rs6000/linux.h (LINK_SPEC): Don't define.
6606	(LINK_SHLIB_SPEC): Define.
6607	(LINK_START_DEFAULT_SPEC): Define.
6608	(LINK_OS_DEFAULT_SPEC): Define.
6609
6610	* config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
6611
6612	* config/rs6000/eabi.asm (__eabi): Call __init rather than
6613	__do_global_ctors to handle constructors.
6614	* config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
6615	(STARTFILE_YELLOWKNIFE_SPEC): Likewise.
6616	(STARTFILE_MVME_SPEC): Likewise.
6617	(STARTFILE_SIM_SPEC): Likewise.
6618	(ENDFILE_ADS_SPEC): Use crtend.
6619	(ENDFILE_YELLOWKNIFE_SPEC): Likewise.
6620	(ENDFILE_MVME_SPEC): Likewise.
6621	(ENDFILE_SIM_SPEC): Likewise.
6622	(STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
6623	(ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
6624	(STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
6625	(ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
6626	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
6627	(EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
6628	(CRTSTUFF_T_CFLAGS_S): Define.
6629	* config/rs6000/eabi-ctors.c: Delete.
6630
6631	* config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
6632	boundary.
6633	(__fini): Likewise.
6634	* config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
6635	boundary.
6636	(__fini): Likewise.
6637
6638Fri Apr 14 16:09:02 2000  Jim Wilson  <wilson@cygnus.com>
6639
6640	* combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
6641	plus mask size is smaller or equal to the mode size.
6642
6643Fri Apr 14 18:07:30 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6644
6645	* print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
6646	not yet set.
6647
6648	* expr.c (reload.h): Now included.
6649	(emit_block_move): Set volatile_ok when checking for movstr.
6650	(emit_move_1): Check for replacements in addresses in multi-word case.
6651	* Makefile.in (expr.o): Now includes reload.h.
6652
6653	* flow.c (count_basic_blocks): Remove unused var PREV_CALL.
6654	Never have a LIBCALL end a basic block.
6655	(find_basic_blocks_1): Likewise.
6656	Reorganize CALL_INSN cases.
6657
6658	* sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
6659
6660Fri Apr 14 10:54:22 2000  Jim Wilson  <wilson@cygnus.com>
6661
6662	* config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
6663	completers from mov.ret instruction.
6664
66652000-04-14  Richard Henderson  <rth@cygnus.com>
6666
6667	* fold-const.c (extract_muldiv): Don't distribute and widen
6668	multiply across plus for non-sizetype unsigned types.
6669
66702000-04-14  Richard Henderson  <rth@cygnus.com>
6671
6672	* flow.c (find_auto_inc): Don't autoinc eliminable registers.
6673	If the original source is dead in the incr insn, it's dead now.
6674
6675Fri Apr 14 07:40:32 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6676
6677	* stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
6678	see if DECL_BIT_FIELD needs to still be set.
6679
6680	* tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
6681
6682	* dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
6683	print_int_cst_octal with something that's not an INTEGER_CST.
6684
6685	* config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
6686	and not a SUBREG to a FLOAT rtl.
6687
6688Thu Apr 13 19:39:56 2000  Clinton Popetz  <cpopetz@cygnus.com>
6689
6690	* emit-rtl.c (try_split): Avoid infinite loop if the split
6691	results in a sequence that contains the original insn.
6692
66932000-04-13  Andreas Jaeger  <aj@suse.de>
6694
6695	* config/mips/mips.c (expand_block_move): Pass alignment
6696	argument to move_by_pieces in bits, not bytes.
6697
6698	* config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
6699	__pic__ for little endian.
6700
67012000-04-13  Andreas Jaeger  <aj@suse.de>
6702
6703	* config/i386/i386-protos.h: Add prototype for
6704	uno_comparison_operator.
6705
6706Thu Apr 13 15:55:08 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6707
6708	* alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
6709	* calls.c (ECF_PURE): New flag.
6710	(emit_call_1): Handle ECF_PURE calls.
6711	(initialize_argument_information): Unset ECF_PURE flag too.
6712	(precompute_arguments): Precompute for ECF_PURE too.
6713	(expand_call): Handle ECF_PURE calls too.
6714	(emit_library_call_value_1): Rename no_queue argument to fn_type,
6715	accept value of 2 as pure function.
6716	(emit_library_call_value, emit_library_call): Rename no_queue argument
6717	to fn_type.
6718	* optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
6719
6720	* tree.h (DECL_IS_PURE): New macro.
6721	(struct tree_decl): Add pure_flag.
6722	* c-common.c (enum attrs): Add attribute "pure".
6723	(init_attributes): Initialize attribute "pure"
6724	(decl_attributes): Handle attribute "pure".
6725	* extend.texi (Attribute "pure"): Document.
6726	* calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
6727	in pure function.
6728	(flags_from_decl_or_type): Support attribute "pure".
6729
67302000-04-13  Jason Merrill  <jason@casey.cygnus.com>
6731
6732	* cpplex.c (_cpp_lex_token): Handle digraphs.  Don't null-terminate
6733	the token except for numbers and identifiers.
6734
6735Thu Apr 13 00:09:16 EDT 2000  John Wehle  (john@feith.com)
6736
6737	* i386.c (ix86_expand_binary_operator,
6738	ix86_expand_unary_operator): Check no_new_pseudos
6739	instead of reload_in_progress and reload_completed.
6740	(ix86_split_ashldi, ix86_split_ashrdi,
6741	ix86_split_lshrdi): Check no_new_pseudos instead
6742	of reload_completed.
6743
67442000-04-12  Jeffrey A Law  (law@cygnus.com)
6745
6746	* function.c (purge_addressof): Unshare any shared rtl created by
6747	purge_addressof and its children.
6748
67492000-04-12  Mark Mitchell  <mark@codesourcery.com>
6750
6751	* function.c (aggregate_value_p): VOID_TYPE nodes are never
6752	aggregates.
6753
67542000-04-05  Andreas Jaeger  <aj@suse.de>
6755
6756	* config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
6757	not compiling PIC code, add flags for mabi=64.
6758	(SUBTARGET_CPP_SIZE_SPEC): New.
6759	(SUBTARGET_CPP_SPEC): New.
6760	(CPP_PREDEFINES): Define __PIC__ and __pic__.  PIC code is default
6761	for MIPS/Linux and lots of code needs these defines.
6762
6763Wed Apr 12 22:44:11 2000  Hans-Peter Nilsson  <hp@axis.com>
6764
6765	* reorg.c (fill_slots_from_thread): Check side_effects_p when
6766	trying the "opposite arithmetic" approach.
6767
6768Wed Apr 12 20:51:20 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
6769
6770	* sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
6771	(struct sh_args): Add new field force_mem.
6772	(INIT_CUMULATIVE_ARGS): Initialize it.
6773	(FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
6774
6775Wed Apr 12 17:20:41 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6776
6777	* calls.c (expand_call): Do not reverse args in "equal from" field.
6778	(emit_library_call_value_1): Emit_libcall_block for const and pure
6779	function.
6780
6781Wed Apr 12 16:00:25 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
6782
6783	* reload1.c (reload_combine): Don't enable optimization for fixed
6784	registers when encountering a BARRIER.
6785
6786Wed Apr 12 15:54:11 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6787
6788	* builtins.c (expand_builtin_memcmp): Do expansion even with
6789	!HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
6790
6791	* calls.c (expand_call): Do NO_DEFER_POP unconditionally once
6792	stack is properly aligned; add sanity checking for aligned
6793	stack pointer.
6794	(expand_library_call_value_1): Add sanity checking for aligned
6795	stack pointer.
6796
6797Wed Apr 12 07:51:54 2000  Catherine Moore  <clm@cygnus.com>
6798
6799	* calls.c (emit_library_call_value_1): Change 3rd arg to
6800	locate_and_pad_parm to disregard the setting of partial.
6801
6802Wed Apr 12 08:47:38 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6803
6804	* tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
6805
6806	* print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
6807	CALL_INSN from the normal case.
6808
6809Fri Apr  7 12:23:04 MET DST 2000  Jan Hubicka  <jh@suse.cz>
6810
6811	* i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6812	New global variables.
6813	(ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
6814	adjustment.
6815	* i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6816	Declare,
6817	(TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
6818	 TARGET_ADD_ESP_8): New macros.
6819	* i386.md: Add peep2s to convert esp adjustments to push and pop
6820	instructions.
6821	(pushsi_prologue, popsi_epilogue): New patterns.
6822
68232000-04-12  Jakub Jelinek  <jakub@redhat.com>
6824
6825	* real.c (toe64): Remove stale #endif from the last change.
6826
68272000-04-12  Stephen L Moshier  <moshier@mediaone.net>
6828
6829	* real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
6830	* real.c (toe64): Revert previous change.
6831
68322000-04-12  Jakub Jelinek  <jakub@redhat.com>
6833
6834	* objc/objc-act.c: Include ggc.h.
6835	(objc_tree_index, objc_global_trees): Convert most of the
6836	static tree variables into a static array with previous names
6837	as defines.
6838	(objc_ellipsis_node): New variable.
6839	(lang_init): Call objc_act_parse_init and c_parse_init.
6840	Create objc_ellipsis_node.
6841	(build_selector_translation_table): Use objc_ellipsis_node instead
6842	of (tree)1.
6843	(hack_method_prototype): Likewise.
6844	(get_arg_type_list): Likewise.
6845	(start_method_def): Likewise.
6846	(continue_method_def): Likewise.
6847	(gen_method_decl): Likewise.
6848	(ggc_mark_imp_list): New function.
6849	(ggc_mark_hash_table): New function.
6850	(objc_act_parse_init): New function.
6851	* objc/objc-act.h (objc_ellipsis_node): Add extern variable.
6852	* c-parse.in (c_parse_init): For objc add roots of objc specific
6853	local tree variables.
6854	* objc/objc-parse.y: Rebuilt.
6855	* objc/objc-parse.c: Rebuilt.
6856	(opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
6857
6858Wed Apr 12 01:00:44 EDT 2000  John Wehle  (john@feith.com)
6859
6860	* cse.c (delete_trivially_dead_insns): Also delete insns
6861	that copy a register to itself where the destination is
6862	a strict_low_part.
6863
68642000-04-11  Richard Henderson  <rth@cygnus.com>
6865
6866	* flow.c (struct propagate_block_info): Add new_dead, new_live.
6867	(propagate_block): Initialize them.  Use them in parallel instead
6868	of one tmp variable, ie revert much of the 0408 and 0407 functional
6869	changes, but keep the structural changes.
6870	(mark_set_regs): Take new_dead from propagate_block_info instead.
6871	(mark_set_1, mark_set_reg): Likewise.
6872	(mark_used_regs): Likewise with new_live.
6873	(mark_used_reg): Likewise.  Revert 0408 change.
6874
68752000-04-11  Nick Clifton  <nickc@cygnus.com>
6876
6877	* config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
6878	restriction.
6879	(DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
6880
68812000-04-11  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
6882
6883	* config/elfos.h (SELECT_SECTION): Decide whether to use a data or
6884	const section to output a CONSTRUCTOR based on the same conditions
6885	used for VAR_DECLs.
6886
6887Tue Apr 11 09:55:59 2000  Jeffrey A Law  (law@cygnus.com)
6888
6889	* pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
6890	* pa/pa-protos.h (output_call): Add additional argument indicating
6891	if the call is a sibling/tail call.
6892	(compute_zdepdi_operands, output_64bit_and): Prototype new functions.
6893	(compute_64bit_ior, cmpib_comparison_operator): Likewise.
6894	(function_arg, function_arg_partial_nregs): Likewise
6895	* pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
6896	(emit_move_sequence): Zero extend certain constants as needed
6897	for TARGET_64BIT.
6898	(compute_zdepdi_operands, output_64bit_and): New functions.
6899	(output_64bit_ior, function_arg): Likewise.
6900	(cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
6901	(compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
6902	(hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
6903	(hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
6904	(output_bvb): Likewise.
6905	(output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
6906	(output_call): New argument 'sibcall'.  Generate sibcall sequences
6907	as needed.
6908	(print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT.  For
6909	(ouput_arg_descriptor): Do not emit argument descriptors for
6910	TARGET_64BIT.
6911	* pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
6912	defined.
6913	(TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
6914	(FUNCTION_OK_FOR_SIBALL): Define.
6915	(CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
6916	(CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
6917	(CPP_SPEC): Use new spec infrastructure.
6918	(BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
6919	(STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
6920	(RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
6921	(REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
6922	(STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
6923	(FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
6924	(TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
6925	(INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
6926	(CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
6927	(FUNCTION_ARG); Call out to C code.
6928	(FUNCTION_ARG_PARTIAL_NREGS): Likewise.
6929	(MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
6930	(MIN_UNITS_PER_WORD): Likewise.
6931	* pa/pa.md (cmpdi): New expander.
6932	(scc patterns, movstrsi): Not available for TARGET_64BIT.
6933	(64bit conditional arithmetic): New patterns.
6934	(absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
6935	(movsicc): Not available if modes on all the operands to not match.
6936	(movdicc): New expander and associated patterns.
6937	(64bit branches): New patterns.
6938	(pre_load, post_store): Generate appropriate code for TARGET_64BIT.
6939	(pre_ldd, post_std): New patterns.
6940	(64bit addil, load low part): New patterns.
6941	(special movsf constant): Not available for TARGET_64BIT.
6942	(movsf, movdf expanders): Force constants into memory.
6943	(32bit movdf/movdi patterns): Disable for TARGET_64BIT.
6944	(64bit movdf/movdi patterns): New patterns.
6945	(zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
6946	for TARGET_64BIT.
6947	(extendqidi2, extendhidi2, extendsidi2): Similarly.
6948	(adddi3 expander): Allow "arith_operand" for second input.
6949	(32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
6950	(64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
6951	(mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
6952	(muldi3): New expander for TARGET_64BIT.
6953	(divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
6954	for TARGET_64BIT.
6955	(32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
6956	patterns for TARGET_64BIT.
6957	(64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
6958	patterns for TARGET_64BIT.
6959	(64bit bit insertion/extractions): New patterns for TARGET_64BIT.
6960	(64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
6961	(sibcall_epilogue): New expander.
6962	(casesi): Tweak for TARGET_64BIT.
6963	(call expanders): Set & use the outgoing argument pointer.  Use the
6964	64bit call patterns as needed. Add additional arg to output_call.
6965	(call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
6966	(sibcall, sibcall_internal_symref): New expanders.
6967	(sibcall_value, sibcall_value_internal_symref
6968	(interspace_jump): Turn into an expander + matching patterns.
6969	(canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
6970	* pa/pa64-regs.h: Eliminate trigraph sequences.
6971	* pa/pa64-start.h (TARGET_PA_20): Fix typo.
6972
69732000-04-11  Zack Weinberg  <zack@wolery.cumb.org>
6974
6975	* cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
6976	cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
6977	cpp_token with cpp_ttype everywhere.
6978	* cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
6979	Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
6980	CPP_BUF_COL.  Line and column numbers are unsigned int, not
6981	long.
6982	* cpplex.c (cpp_buf_line_and_col): Delete.
6983	* cpplib.h (struct cpp_buffer, struct cpp_reader): Change
6984	'long lineno' to 'unsigned int lineno'.
6985	(CPP_BUF_LINE, CPP_BUF_COL): New macros.
6986
69872000-04-11  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
6988
6989	* extend.texi: ISO C99 is not a draft anymore.
6990	* invoke.texi: ISO C++ is not a draft anymore.
6991	* cpp.texi: __cplusplus is required by the ISO standard.
6992
6993	* extend.texi (-fthis-is-variable): Undocument.
6994	* flags.h (warn_template_debugging): Remove declaration.
6995	* gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
6996	-Wenum-clash, -Wtemplate-debugging): Undocument.
6997
69982000-04-10  Nick Clifton  <nickc@cygnus.com>
6999
7000	* config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
7001	integer.
7002	(HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
7003	integer.
7004	(ARM_SIGN_EXTEND): Use HOST_UINT.
7005	(STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
7006	(ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
7007	(INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
7008	(DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
7009
7010	* config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
7011	(arm_gen_constant): Use HOST_UINT.
7012	(arm_canonicalize_constant): Use HOST_UINT.
7013	(arm_reload_in_hi): Use HOST_UINT.
7014	(arm_reload_out_hi): Use HOST_UINT.
7015	(output_multi_immediate): Use HOST_UINT.
7016	(int_log2): Use HOST_UINT.
7017	(arm_poke_function_name): Use HOST_UINT.
7018	(arm_output_epilogue): Use arm_volatile_func().
7019	(output_thumb_prologue): Use arm_strip_name_encoding().
7020
7021Mon Apr 10 15:40:59 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7022
7023	* sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
7024	of sequence point problems.
7025
70262000-04-10  Nathan Sidwell  <nathan@codesourcery.com>
7027
7028	* rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
7029	Recomment.
7030	* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
7031
7032Mon Apr 10 07:21:13 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7033
7034	* sbitmap.h: Whitespace changes and use upper-case macro args.
7035	(struct simple_bitmap_def): All sizes now unsigned.
7036	(EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
7037	* sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
7038	(sbitmap_vector_alloc): Parms and local vars now unsigned.
7039	(sbitmap_zero): Cast bzero arg to PTR.
7040	(sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
7041	(sbitmap_union_of_diffs): Change loop index to unsigned and rework
7042	loop to make structure clearer.
7043	(sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
7044	(sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
7045	(sbitmap_a_and_b_or_c): Likewise.
7046	(sbitmap_intersection_of_succs): Minor cleanups.
7047	(sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
7048	(sbitmap_union_of_preds): Likewise.
7049	(sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
7050	(debug_sbitmap): New function.
7051
7052	* c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
7053	* c-typeck.c (convert_for_assignment): Likewise.
7054
7055	* expmed.c (init_expmed): Don't free objects we make.
7056	* emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
7057
7058	* expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
7059	(expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
7060
7061	* gcse.c (expr_hash_table_size): Now unsigned.
7062	(compute_ae_gen): Local variable `i' now unsigned.
7063	(compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
7064	(compute_transout, hoist_code): Likewise.
7065	(compute_local_properties): Likewise, also hash_table_size.
7066	(alloc_expr_hash_table): N_INSNS now unsigned.
7067	(delete_null_pointer_checks): Mark arg F as unused.
7068
7069	* regrename.c: Minor cleanups, including chang some variables
7070	to unsigned int.
7071
70722000-04-10  Neil Booth  <NeilB@earthling.net>
7073
7074	* cpplex.c (skip_block_comment): Use pointer arithmetic rather
7075	than GETC ().
7076	* cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
7077
70782000-04-10  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
7079
7080	* invoke.texi (-fno-gnu-keywords): Remove classof, headof,
7081	__classof__, and __headof__ from the list of gnu keywords.
7082	(-ansi): Remove -foperator-names from list of implied options.
7083	Do not call it ANSI C++.
7084	(-foperator-names): Document as -fno-operator-names.
7085
70862000-04-09  Zack Weinberg  <zack@wolery.cumb.org>
7087
7088	* cpphash.c (timestamp): Delete.
7089	(del_HASHNODE): If type is T_MCONST, free value.cpval.
7090	(special_symbol): Remove unnecessary braces.  Remove
7091	T_VERSION.  Treat T_STDC like T_CONST unless
7092	STDC_0_IN_SYSTEM_HEADERS.  Render both __DATE__ and __TIME__
7093	when one is encountered, then convert them into T_MCONST
7094	nodes.
7095	* cppinit.c (builtin_array): version_string is T_MCONST.
7096	__STDC__ has a "1" in its cpval.  Don't have a terminator
7097	entry.  Clean up which entries are dumped.
7098	(initialize_builtins): Only __STDC__ gets the special
7099	-traditional treatment.  Count the length of builtin_array.
7100	Render version_string here.
7101	* cpphash.h: Remove T_VERSION.  Add T_MCONST.
7102	* cpplib.h (struct cpp_reader): Remove timebuf.
7103
71042000-04-09  Richard Henderson  <rth@cygnus.com>
7105
7106	* genrecog.c (pred): Update comparison_operator for the unordered
7107	operators.
7108
7109	* config/i386/i386.c (no_comparison_operator): Disallow unordered
7110	operators.
7111	(fcmov_comparison_operator): Allow UNORDERED/ORDERED.
7112	(uno_comparison_operator): New.
7113	(put_condition_code): Handle UNORDERED/ORDERED.
7114	(unsigned_comparison): Likewise.
7115	(ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
7116	(ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
7117	(ix86_expand_fp_compare): Use them.  Take scratch as argument,
7118	update all callers.  Handle all 8 unordered operators.
7119	(ix86_expand_setcc): Lose the unordered argument, update all callers.
7120	(ix86_expand_branch): Likewise.  Don't fully expand fp branches.
7121	* config/i386/i386.h (PREDICATE_CODES): Update.
7122	* config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
7123	(ix86_expand_branch, ix86_expand_setcc): Update.
7124	* config/i386/i386.md (sunordered, sordered): New.
7125	(suneq, sunge, sungt, sunle, sunlt, sltgt): New.
7126	(bunordered, bordered): New.
7127	(buneq, bunge, bungt, bunle, bunlt, bltgt): New.
7128	(*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
7129	(*fp_jcc_5, *fp_jcc_6, and splitters): New.
7130
71312000-04-09  Philip Blundell  <philb@gnu.org>
7132
7133	* config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
7134
7135Sun Apr  9 15:16:14 EDT 2000  John Wehle  (john@feith.com)
7136
7137	* i386.md (fix_truncsfhi2, fix_truncdfhi2,
7138	fix_truncxfhi2): New patterns.
7139	* i386.c (output_fix_trunc): Handle converting to HImode.
7140
71412000-04-08  Alex Samuel  <samuel@codesourcery.com>
7142
7143	* ssa.c (convert_to_ssa): Eliminate dead code when calling
7144	life_analysis.
7145	(convert_from_ssa): Call compute_bb_for_insn before life_analysis.
7146	(for_each_successor_phi): Change parameter to basic_block.
7147	(coalesce_regs_in_successor_phi_nodes): Likewise.
7148	(coalesce_regs_in_copies): Likewise.
7149	(compute_coalesced_reg_partition): Use basic_block instead of index.
7150	* rtl.h (convert_to_ssa): Delete.
7151	(convert_from_ssa): Likewise.
7152	(successor_phi_fn): Likewise.
7153	(for_each_successor_phi): Likewise.
7154	(in_ssa_form): Likewise.
7155	* basic-block.h (convert_to_ssa): Moved from rtl.h.
7156	(convert_from_ssa): Likewise.
7157	(successor_phi_fn): Likewise.
7158	(in_ssa_form): Likewise.
7159	(for_each_successor_phi): Likewise.  Change parameter to basic_block.
7160	* flow.c (calculate_global_regs_live): Pass a basic_block to
7161	for_each_successor_phi.
7162
71632000-04-08  Richard Henderson  <rth@cygnus.com>
7164
7165	* flow.c (mark_used_reg): Use reg_set_p to determine if a register
7166	was modified in the current insn.
7167
71682000-04-08  Richard Earnshaw (rearnsha@arm.com)
7169
7170	* arm/thumb.md: Delete.
7171	* arm/thumb-protos.h: Delete.
7172
71732000-04-08  Richard Earnshaw (rearnsha@arm.com)
7174
7175	Merge changes from merged-arm-thumb-backend-branch onto trunk.
7176
7177	2000-04-08  Richard Earnshaw (rearnsha@arm.com)
7178
7179	* Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
7180	into branch.
7181
7182	* arm.md (nop): Use the standard RTL expression.  Don't code as a
7183	define_expand.
7184	(*arm_nop, *thumb_nop): Delete.
7185
7186	* arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
7187	constants.  Use casts instead.
7188	(arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
7189	output_multi_immediate, arm_poke_function_name): Likewise.
7190	* arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
7191	MASK_RETURN_ADDDR): Likewise.
7192
7193	2000-03-31  Richard Earnshaw (rearnsha@arm.com)
7194
7195	* Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
7196	into branch.
7197
7198	* arm.md (eh_epilogue): New function.
7199	* arm.h (struct machine_function): Move to here ...
7200	* arm.c: ... from here.
7201	(arm_output_epilogue): Support epilogues for __builtin_eh_return.
7202	(thumb_exit): Extra parameter eh_ofs.  All callers changed.
7203	Handle epilogues for __builtin_eh_return.  Make bit-fields unsigned.
7204
7205	2000-03-30  Nick Clifton  <nickc@cygnus.com>
7206
7207	* config/arm/semi.h (ASM_SPEC): Restore definition.
7208	(SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7209
7210	* config/arm/elf.h (ASM_SPEC): Restore definition.
7211	(SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7212
7213	* config/arm/arm.h (ASM_SPEC): Remove definition.
7214	(SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
7215
7216	2000-03-26  Bernd Schmidt <bernds@cygnus.co.uk>
7217
7218	* config/arm/arm.c: Disable -fschedule-insns for Thumb.
7219
7220	2000-03-24  Nick Clifton  <nickc@cygnus.com>
7221
7222	Various formating tidyups, elimination of compile time
7223	warnings and synchronisation with internal sources:
7224
7225	* config/arm/arm-protos.h (assemble_align): Add prototype.
7226	(gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7227	(gen_comapre_reg): Rename to arm_gen_compare_reg.
7228	(arm_return_addr_rtx): Rename to arm_return_addr.
7229
7230	* config/arm/arm.c: Include except.h.
7231	Define shorter typenames for strict minipool_node and struct
7232	minipool_fix.
7233	(arm_return_in_memory): For WinCE return all structures <= 32 bits
7234	in memory.
7235	(gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7236	(gen_comapre_reg): Rename to arm_gen_compare_reg.
7237
7238	* config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7239	already defined.
7240	(ASM_SPEC): Define if not already defined.
7241	(ASM_OUTPUT_DEF_FROM_DECLS): Define.
7242
7243	* config/arm/arm.md: Rename references to gen_rotated_half_load to
7244	arm_gen_rotated_half_load, and references to gen_comapre_reg to
7245	arm_gen_compare_reg.
7246	(indirect_jump):  Only accept register operands.
7247	(load_indirect_jump): Keep this pattern since combine can generate
7248	it.
7249
7250	* config/arm/coff.h: Include aout.h.
7251	(MULTILIB_DEFAULTS): Only define if not already defined.
7252
7253	* config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
7254	into arm.h (so that COFF ports can support thumb based aliases).
7255	(ASM_SPEC): Move definition into arm.h
7256
7257	* config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
7258	redundant apcs spec.
7259	(ASM_SPEC): Move definition to arm.h
7260
7261	* config/arm/semi.h (ASM_SPEC): Move definition to arm.h
7262
7263	* config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
7264	for entries in the .bss section
7265
7266	2000-03-23  Nick Clifton  <nickc@cygnus.com>
7267
7268	* config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
7269	to thumb_far_jump_used_p.
7270
7271	* config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
7272	single integer parameter.
7273
7274	* config/arm/arm.c (struct machine_function): Add two new
7275	fields, 'far_jump_used' and 'arg_pointer_live'.
7276	(thumb_far_jump_used_p): Once the decision has been made that
7277	far jumps might be used, always return true.
7278	If being called from the initial elimination offset macro then
7279	do not bother to perform the test if the arg pointer is not
7280	being used.
7281	(thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
7282	(output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
7283
7284	2000-03-23  Richard Earnshaw (rearnsha@arm.com)
7285
7286	* arm.c (output_return_instruction): Handle more cases where we can
7287	return from a function with an ldr instruction.
7288	(arm_output_epilogue): Likewise.
7289
7290	* arm.c (thumb_expand_prologue): Don't clobber the frame pointer
7291	if we need to push a large stack frame and there are no callee-saved
7292	registers.
7293
7294	* arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
7295	in ARM code if the frame pointer has been eliminated.
7296
7297	* arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
7298	unspec_volatile arguments to avoid duplicates.
7299	(consttable_1, consttable_2): Fixes for big-endian mode.
7300
7301	* arm.md (all ARM-mode load insns): Add neg_pool_range attribute
7302	as appropriate.
7303
7304	Re-write constant pool code.
7305	* arm.c (minipool_node, minipool_fix): New types.
7306	(minifix): Delete type.
7307	(arm_add_minipool_constant): Delete.
7308	(arm_compute_minipool_offsets, arm_find_barrier,
7309	arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
7310	(get_jump_table_size): Now returns HOST_WIDE_INT.
7311	(move_minipool_fix_forward_ref, add_minipool_forward_ref): New
7312	functions.
7313	(move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
7314	(assign_minipool_offsets, arm_print_value): Likewise.
7315	(dump_minipool): Rewrite.
7316	(arm_barrier_cost): New function.
7317	(create_fix_barrier): New function.
7318	(push_minipool_barrier): New function.
7319	(push_minipool_fix): Record additional information about the fixup
7320	required.
7321	(note_invalid_constants): Remove push for (UNSPEC 3).  Don't
7322	check the mode of what needs fixing.
7323	(arm_reorg): Rewrite.
7324
7325	2000-03-08  Nick Clifton  <nickc@cygnus.com>
7326
7327	* config/arm/arm.md (indirect_jump): Force constant addresses into
7328	a register.
7329
7330	2000-03-01  Bernd Schmidt <bernds@cygnus.co.uk>
7331
7332	* config/arm/arm.md: Add splitter to turn SF moves into SI moves.
7333
7334	2000-02-24  Nick Clifton  <nickc@cygnus.com>
7335
7336	* config/arm/arm.c (thumb_expand_prologue): Make sure that stack
7337	adjust is word aligned.
7338	(thumb_expand_epilogue): Make sure that stack adjust is word
7339	aligned.
7340
7341	* config/arm/elf.h (ASM_FILE_START): Fix type of version string.
7342
7343	2000-02-24  Bernd Schmidt <bernds@cygnus.com>
7344
7345	* config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
7346	pointer relative addresses.
7347
7348	2000-02-10  Richard Earnshaw  <rearnsha@arm.com>
7349
7350	* arm.c (find_barrier): Find the last barrier within the allowed
7351	range.
7352
7353	2000-02-09  Nick Clifton  <nickc@cygnus.com>
7354
7355	* config/arm/arm-protos.h: Replace PROTO with PARAMS.
7356
7357	2000-02-09  Nick Clifton  <nickc@cygnus.com>
7358
7359	* config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
7360	ARM_FUNCTION_PROFILER.
7361
7362	* config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
7363	ARM_FUNCTION_PROFILER.
7364
7365	* config/arm/linux-oldld.h: Imported from mainline sources.
7366
7367	2000-02-07  Nick Clifton  <nickc@cygnus.com>
7368
7369	* config/arm/lib1funcs.asm: Merge in thumb functions from
7370	lib1thumb.asm.
7371
7372	* config/arm/lib1thumb.asm: Delete.
7373
7374	2000-02-04  Nick Clifton  <nickc@cygnus.com>
7375
7376	* config/arm/arm.c: Sychronised with current Red hat local
7377	sources.
7378	* config/arm/arm.h: Ditto.
7379	* config/arm/arm-protos.h: Ditto.
7380
7381	2000-02-02  Bernd Schmidt  <bernds@cygnus.co.uk>
7382
7383	* arm.c (soft_df_operand): Reject SUBREGs containing a constant.
7384
7385	* arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
7386	byte stores.
7387
7388	2000-02-02  Nick Clifton  <nickc@cygnus.com>
7389
7390	* config/arm/thumb.c (thumb_exit): Additional fix for same bug.
7391
7392	* config/arm/arm.md (epilogue): Fix rtl checking abort because
7393	(return) was emited using an emit_insn() call.
7394
7395	2000-01-31  Nick Clifton  <nickc@cygnus.com>
7396
7397	* config/arm/arm.c (output_thumb_prologue): Fix bug generating
7398	thumb stack frame.
7399	(thumb_exit): Move frame pointer back into hard frame pointer
7400	register if backtracing is being used.
7401
7402	2000-01-13  Richard Earnshaw (rearnsha@arm.com)
7403
7404	* Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7405	into branch.
7406
7407	1999-12-15  Bernd Schmidt  <bernds@cygnus.co.uk>
7408
7409	* config/arm/arm.md (neg_pool_offset): Provide default for new
7410	attribute.
7411	(arm_movsi_insn): Add neg_pool_offset attribute.
7412	* config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7413	rtx for the insn that starts the scan and an unsigned long for its
7414	address.  Add MIN_OFFSET and PINSERTED args.  All callers changed.
7415	Change scan to ignore insns before MIN_OFFSET.  Store size of inserted
7416	instructions in *PINSERTED.
7417	(struct minipool_fixup): Add MIN_ADDRESS elt.
7418	(sort_fixups): Compute it.
7419	(arm_reorg): Changes to support inserting pools before the insn to be
7420	fixed up.
7421
7422	1999-12-08  Bernd Schmidt  <bernds@cygnus.co.uk>
7423
7424	* config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7425	* config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7426	* config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7427
7428	Wed Nov  3 10:04:07 1999  Nick Clifton  <nickc@cygnus.com>
7429
7430	* config/arm/semi.h (TARGET_VERSION): Do not define if already
7431	defined.
7432	(TARGET_DEFAULT): Do not define if already defined.
7433
7434	Tue Nov  2 10:37:25 1999  Nick Clifton  <nickc@cygnus.com>
7435
7436	* config/arm/arm.md (anddi3): Allow disjoint source operands.
7437	(iordi3): Allow disjoint source operands.
7438	(xordi3): Allow disjoint source operands.
7439	(negdi2): Permit construction for ARM and Thumb.
7440	(arm_negdi2): Renamed version of old negdi2 pattern.
7441	(thumb_negdi2): New pattern: Only permit non-overlapping
7442	source and destination.
7443
7444	Fri Oct 29 18:52:38 1999  Nick Clifton  <nickc@cygnus.com>
7445
7446	* config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7447	scratch low register so that it will not be deleted.
7448
7449	Fri Oct 29 15:23:48 1999  Nick Clifton  <nickc@cygnus.com>
7450
7451	* config/arm/pe.h (ARM_PE): Define.
7452
7453	* config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7454	interfacearm attribute if this is a PE toolchain.
7455	(output_return_instruction): Do not emit anything if the function
7456	has the naked attribute set.
7457	(is_called_in_ARM_mode): If the function has the interfacearm
7458	attribute then return true.
7459	(thumb_expand_prologue): Do not generate a prologue for naked
7460	functions.
7461	(thumb_expand_epilogue): Do not generate an epilogie for a naked
7462	function.
7463	(output_thumb_prologue): Do not bother if the function is naked.
7464	Strip PE encoding from function name before emitting.
7465
7466	Thu Oct 28 11:05:13 1999  Richard Earnshaw <rearnsha@arm.com>
7467
7468	* arm.md (pic_load_addr): Fix constraints.
7469
7470	* arm.md (casesi_insn): Fix mis-applied patch.
7471
7472	* arm.md ("core" function unit): Add rules for single- and
7473	multi-cycle insns.
7474	(All TARGET_THUMB patterns): Add "type" attribute information
7475	where needed.
7476	* arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7477	the following insn is a CALL.
7478
7479	* arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7480	pointer.
7481	* arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7482	ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7483	(FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7484
7485	Wed Oct 27 14:40:48 1999  Nick Clifton  <nickc@cygnus.com>
7486
7487	* config/arm/linux-gas.h: oops - this file was missed out when the
7488	branch was created...
7489
7490	Tue Oct 26 17:07:38 1999  Richard Earnshaw <rearnsha@arm.com>
7491
7492	* thumb.c: Deleted.  Move contents to ...
7493	* arm.c: ... here.
7494	* t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7495	rule for thumb.o
7496	* configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7497	* configure: Regen.
7498
7499	* arm-protos.h: Use RTX_CODE and tidy up long lines.  Don't
7500	declare a prototype for asm_output_align();
7501
7502	* arm.c (thumb_condition_code): Delete.
7503	(arm_print_operand): Always use arm_condition_code array.
7504
7505	* arm.c (thumb_return_addr_rtx): Delete.
7506	(arm_save_machine_status, arm_restore_machine_status): Delete.
7507	(arm_init_machine_status, arm_mark_machine_status): New functions.
7508	(arm_init_expanders): Update accordingly.
7509	(arm_return_addr): Renamed from arm_return_addr_rtx.  Rewrite.
7510	(thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7511	* arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7512
7513	Tue Oct 26 13:24:16 1999  Nick Clifton  <nickc@cygnus.com>
7514
7515	* configure.in : Fix arm-*-aout target to use new t-arm-aout
7516	script.
7517	* config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7518	targets.
7519
7520	Tue Oct 26 11:27:12 1999  Nick Clifton  <nickc@cygnus.com>
7521
7522	* config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7523	stack backtrace structure.
7524
7525	* config/arm/arm-protos.h: Add prototypes for functions defined in
7526	arm/pe.h.
7527
7528	* config/arm/arm.c (arm_override_options): Fix selection of
7529	attributes of default processor.
7530
7531	* config/arm/coff.h: Delete needless #include.
7532
7533	* config/arm/pe.c: Delete unused code.
7534
7535	* config/arm/pe.h (CPP_DEFINES): Delete
7536	(SUBTARGET_CPP_SPEC): Define.
7537	(ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7538
7539	* config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7540
7541	Mon Oct 25 15:42:09 1999  Richard Earnshaw (rearnsha@arm.com)
7542
7543	* arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
7544	updated.
7545	(CAN_DEBUG_WITHOUT_FP): Define.
7546	(FIXED_REGISTERS): Make r11 call-saved.
7547	(CALL_USED_REGISTERS): Likewise.
7548	(CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
7549	(FRAME_POINTER_REQUIRED): Correct logic for determining when a
7550	frame-pointer is required.
7551	(TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
7552	* arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
7553	if the target normally needs a stack frame in non-leaf functions.
7554	(use_return_insn): Correct logic for determining when a return
7555	instruction can be used.
7556	(output_return_instruction): Handle the frame-pointer register as
7557	a normal register when not TARGET_APCS_FRAME.
7558	(arm_output_prologue): Likewise.
7559	(arm_output_epilogue): Likewise.
7560	(output_func_epilogue): Likewise.
7561	(arm_expand_prologue): Likewise.
7562	* netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
7563
7564	* arm.c (use_return_insn): No need to check floating point regs if
7565	TARGET_SOFT_FLOAT.
7566	(arm_find_minipool_constant): Correct typo; use GET_CODE to get
7567	the code of value stored in the minipool array.
7568	(arm_add_minipool_constant): Likewise.
7569
75702000-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7571
7572	* basic-block.h (conflict_graph_enum_fn): K&R fix.
7573
75742000-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7575
7576	* tree.c (tree_expr_nonnegative_p): New function.
7577
7578	* tree.h (tree_expr_nonnegative_p): Declare.
7579
7580	* c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
7581	elide some sign_compare warnings.
7582	(build_conditional_expr): Likewise.
7583
7584Sat Apr  8 00:21:51 EDT 2000  John Wehle  (john@feith.com)
7585
7586	* i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
7587
7588	* i386.md (floathisf2, floathidf2, floathixf2): New patterns.
7589	* i386.c (print_operand): Use the proper suffix for a 387 HImode
7590	operand.  Abort if a 387 operand has an unsupported size.
7591
75922000-04-08  Neil Booth  <NeilB@earthling.net>
7593
7594	* cppexp.c (parse_charconst): Null does not end character
7595	constants.
7596	* cppinit.c (ISTABLE): Null character handled as whitespace.
7597	* cpplex.c (null_warning):  new function.
7598	(skip_string): Emit warning if nulls encountered.
7599	(_cpp_skip_hspace): Emit warning if nulls encountered.
7600	(_cpp_lex_token): Emit warning if nulls encountered.  Drop
7601	them.
7602	* cpp.texi: Update.
7603
76042000-04-07  Richard Henderson  <rth@cygnus.com>
7605
7606	* flow.c (loop_depth): Remove.
7607	(reg_next_use, cc0_live, mem_set_list): Replace with ...
7608	(struct propagate_block_info): New.
7609	(life_analysis): Don't allocate reg_next_use.
7610	(propagate_block_delete_insn): Break out of propagate_block.
7611	Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
7612	(propagate_block_delete_libcall): Likewise.
7613	(propagate_block): Create a propagate_block_info struct to pass
7614	to subroutines.  Allocate one not two temporary regsets.  Don't
7615	clobber memory for const calls.  Look for clobbers in
7616	CALL_INSN_FUNCTION_USAGE.
7617	(mark_set_regs): Recognize COND_EXEC.
7618	(mark_set_reg): Break out of mark_set_1.
7619	(mark_used_reg): Break out of mark_used_regs.
7620	(mark_used_regs): Recognize COND_EXEC.
7621	(insn_dead_p): Use propagate_block_info struct.
7622	(libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
7623	(find_auto_inc, try_pre_increment_1): Likewise.
7624	(print_rtl_with_bb): Dump regs live at end too.
7625	(count_reg_sets_1): Pass in loop_depth.
7626	(count_reg_sets, count_reg_references): Likewise.
7627	(recompute_reg_usage): Provide it.
7628
76292000-04-07  Richard Henderson  <rth@cygnus.com>
7630
7631	* Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
7632	not the raw files.
7633
76342000-04-07  Zack Weinberg  <zack@wolery.cumb.org>
7635
7636	* cpplib.c (do_elif): Skip the rest of the line if we're
7637	not going to bother evaluating it.
7638	(skip_if_group): Clear pfile->only_seen_white.  Reorder loop
7639	to avoid pointless calls to the lexer.
7640
7641Fri Apr  7 11:50:54 2000  Jim Wilson  <wilson@cygnus.com>
7642
7643	* config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
7644
76452000-04-07  Jason Merrill  <jason@casey.cygnus.com>
7646
7647	* calls.c (expand_call): emit_queue if we're trying a sibcall.
7648
76492000-04-07  Jakub Jelinek  <jakub@redhat.com>
7650
7651	* config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
7652
76532000-04-06  Geoff Keating  <geoffk@cygnus.com>
7654
7655	* Makefile.in: Build crtbeginS and crtendS like crtbegin and
7656	crtend so they can be multilibbed.
7657	(STAGESTUFF): Remove s-crt and s-crtS.
7658
76592000-04-07  Richard Henderson  <rth@cygnus.com>
7660
7661	* config/alpha/alpha.c (alpha_emit_conditional_move): Fail
7662	if we discover we need a pseudo and no_new_pseudos is true.
7663	* config/alpha/alpha.md (ne:DI insn): New.
7664	(trunctfsf2, sne): Emit NE instead of non-canonical LTU.
7665
76662000-04-07  Richard Henderson  <rth@cygnus.com>
7667
7668	* rtl.def (COND_EXEC): New.
7669	* rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
7670	* tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
7671
7672	* genconfig.c (have_cond_arith_flag): Remove.
7673	(have_cond_exec_flag): New.
7674	(walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
7675	(main): Print HAVE_conditional_execution.
7676
7677	* haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
7678	(sched_analyze_insn, print_pattern): Likewise.
7679	* reload.c (find_equiv_reg): Likewise.
7680	* rtlanal.c (reg_referenced_p): Likewise.
7681	(note_stores, dead_or_set_regno_p): Likewise.
7682	(reg_overlap_mentioned_p): Rewrite to use a switch.
7683
7684	* ggc.h (struct rtx_def): Forward declare.
7685
7686	* print-rtl.c (debug_rtx_range): New.
7687	* rtl.h (debug_rtx_range): Declare.
7688
7689	* varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
7690
7691	* gcse.c (gcse_main): Don't rebuild the CFG here.
7692	(delete_null_pointer_checks): Likewise.
7693	* ssa.c (convert_to_ssa): Likewise.
7694	* toplev.c (rest_of_compilation): Do it here instead.  Combine
7695	sequential calls to TIMEVAR.  Consistently use `insns' instead of
7696	`get_insns()'.  Always split insns after reload when optimizing.
7697
7698	* basic-block.h (merge_blocks_nomove): Declare.
7699	(tidy_fallthru_edge): Declare.
7700	* flow.c (merge_blocks_nomove): Document as merging into previous
7701	blocks.  Remove cruft from between blocks; remove all edges out of A.
7702	(tidy_fallthru_edge): Export.
7703
77042000-04-06  Alex Samuel  <samuel@codesourcery.com>
7705
7706	* ssa.c (compute_conservative_reg_partition): Declare with
7707	void arguments.
7708	* toplev.c (clean_dump_file): Remove previously-deleted function
7709	inadvertantly merged back in.
7710	* conflict.c (conflict_graph_add): Use a single call to
7711	htab_find_slot to look up and insert.
7712
77132000-04-06  Richard Henderson  <rth@cygnus.com>
7714
7715	* genrecog.c (*): Rename _last_insn to last_insn.
7716	(make_insn_sequence): Set the position of the peephole2 C test
7717	to be at the last insn.
7718
77192000-04-06  Richard Henderson  <rth@cygnus.com>
7720
7721	* flow.c (compute_flow_dominators): Free worklist.
7722
77232000-04-06  Michael Matz  <matzmich@cs.tu-berlin.de>
7724
7725	* flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
7726
77272000-04-06  Alex Samuel  <samuel@codesourcery.com>
7728
7729	* rtl.h (INSN_P): New macro.
7730	(successor_phi_fn): New typedef.
7731	(for_each_successor_phi): New prototype.
7732	(in_ssa_form): New variable.
7733	(PHI_NODE_P): Likewise.
7734	* flow.c (calculate_global_regs_live): Add to new_live_at_end from
7735	phi nodes in successors.
7736	(mark_used_regs): Add PHI case.
7737	(set_phi_alternative_reg): New function.
7738	(life_analysis): Assert that dead code elimination is not selected
7739	when in SSA form.
7740	* toplev.c (to_ssa_time): New variable.
7741	(from_ssa_time): Likewise.
7742	(compile_file): Zero to_ssa_time and from_ssa_time.
7743	Print time to convert to and from SSA.
7744	(rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
7745	(print_time): Compute percent fraction as integer.
7746	* ssa.c (PHI_NODE_P): Moved to rtl.h.
7747	(convert_to_ssa): Check if we're already in SSA.
7748	Don't eliminate dead code in life_analysis.
7749	Rerun flow and life analysis at bottom.
7750	(eliminate_phi): Use canonical regnos when adding nodes.
7751	(mark_reg_in_phi): New function.
7752	(mark_phi_and_copy_regs): Likewise.
7753	(convert_from_ssa): Rerun life analysis at top.
7754	Use coalesced partition.
7755	Check for removing a phi node at the end of the block.
7756	(compute_coalesced_reg_partition): New function.
7757	(coalesce_regs_in_copies): Likewise.
7758	(coalesce_reg_in_phi): Likewise.
7759	(coalesce_regs_in_successor_phi_nodes): Likewise.
7760	(for_each_successor_phi): Likewise.
7761	(rename_context): New struct.
7762	(rename_block): Use a rename_context with rename_insn_1.  When
7763	renaming sets of a subreg, emit a copy of the entire reg first.
7764	(rename_insn_1): Treat data as a rename_context *.  Save current
7765	insn in set_data.
7766	(rename_set_data): Add field set_insn.
7767	* Makefile.in (HASHTAB_H): Move up in file.
7768	(OBSTACK_H): New macro.
7769	(collect2.o): Use OBSTACK_H in dependencies.
7770	(sdbout.o): Likewise.
7771	(emit-rtl.o): Likewise.
7772	(simplify-rtx.o): Likewise.
7773	(fix-header.o): Likewise.
7774	(OBJS):	Add conflict.o.
7775	(conflict.o): New rule.
7776	* basic-block.h: Include partition.h.
7777	(conflict_graph): New typedef.
7778	(conflict_graph_enum_fn): Likewise.
7779	(conflict_graph_new): New prototype.
7780	(conflict_graph_delete): Likewise.
7781	(conflict_graph_add): Likewise.
7782	(conflict_graph_conflict_p): Likewise.
7783	(conflict_graph_enum): Likewise.
7784	(conflict_graph_merge_regs): Likewise.
7785	(conflict_graph_print): Likewise.
7786	(conflict_graph_compute): Likewise.
7787	* conflict.c: New file.
7788
77892000-04-06  Jason Merrill  <jason@yorick.cygnus.com>
7790
7791	* tlink.c (read_repo_files): Don't look for .rpo info for
7792	linker flags.
7793
7794Thu Apr  6 20:39:26 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
7795
7796	* sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
7797
7798Thu Apr  6 19:34:08 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
7799
7800	* config/sh/lib1funcs.asm (___udivsi3_i4):
7801	( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
7802	only depends on FMOVD_WORKS.
7803
7804Thu Apr  6 19:11:47 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
7805
7806	* config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
7807	make double constant 8-byte aligned.
7808
78092000-04-06  Jakub Jelinek  <jakub@redhat.com>
7810
7811	* config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
7812	movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
7813	movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
7814	(movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
7815	Accept storing GENERAL_REGS into offsetable memory.
7816	* config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
7817	building a TFmode constant other than 0.0L into GENERAL_REGS.
7818
78192000-04-06  Clinton Popetz  <cpopetz@cygnus.com>
7820
7821	* regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
7822
78232000-04-06  Zack Weinberg  <zack@wolery.cumb.org>
7824
7825	* cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
7826	(macro_cleanup): No need to cast pbuf->macro.
7827	(collect_expansion): Use _cpp_get_define_token.  Goto done if
7828	it returns VSPACE.  Remove check for trailing space after
7829	CPP_COMMENT.
7830	(_cpp_create_definition): Don't diddle flags here.  Return
7831	directly on error.
7832	(unsafe_chars): Handle c1 being EOF.
7833	(push_macro_expansion): Use unsafe_chars for both accidental-paste
7834	checks.  Don't push the buffer till after we're done with
7835	them.
7836	* cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
7837	(PEEKN, FORWARD, GETC, PEEKC): Use them.
7838	(cpp_push_buffer): Don't set new->alimit.  Set new->mark
7839	appropriately.
7840	(_cpp_parse_assertion): Don't NUL terminate.
7841	(_cpp_lex_token): Fix -traditional macro handling.  Don't skip
7842	hspace before calling _cpp_parse_assertion.  Remove all sets
7843	of only_seen_white. Treat '\f' as hspace.  Don't do anything
7844	special with '\n' here.
7845	(maybe_macroexpand): Handle T_EMPTY hash entries without
7846	pushing a buffer at all.
7847	(cpp_get_token): Handle clearing only_seen_white here.  Handle
7848	incrementing the line number here.  Clear
7849	potential_control_macro as well as only_seen_white, if
7850	appropriate.
7851	(cpp_get_non_space_token): Don't eat CPP_POP tokens.
7852	(_cpp_get_define_token): New function, basically like
7853	_cpp_get_directive_token was but doesn't eat horizontal space.
7854	Don't do anything with only_seen_white here.
7855	(_cpp_get_directive_token): Just call _cpp_get_define_token
7856	repeatedly till it returns non-hspace.
7857
7858	* cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
7859	(conditional_skip, skip_if_group): Return int.
7860	(DIRECTIVE_TABLE): Change origin of all conditional directives
7861	to "COND".
7862	(TRAD_DIRECT_P): New macro.
7863	(_cpp_handle_directive): Use _cpp_get_directive_token.  Issue
7864	an error for a bogus directive, unless -lang-asm.  Use
7865	TRAD_DIRECT_P. Loop calling handler functions till one returns
7866	zero.
7867	(get_macro_name): Don't diddle flags here.
7868	(do_define): Diddle flags here.  Use _cpp_get_directive_token.
7869	Create T_EMPTY nodes for #define macro /* nothing */.
7870	(do_undef): Don't copy the name.  Use _cpp_get_directive_token.
7871	Use hp->name when calling pass_thru_directive.
7872	(do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
7873	Return the result of conditional_skip and/or skip_if_group.
7874	Don't call _cpp_output_line_command.
7875	(consider_directive_while_skipping): Use _cpp_get_directive_token.
7876	Issue -Wtraditional warnings as appropriate.  Don't complain
7877	about unrecognized directives.  If we are to stop skipping,
7878	return the number of the directive that ended the skip.
7879	(skip_if_group): Use _cpp_get_directive_token.  Turn off macro
7880	expansion and line commands while skipping.  Return the result
7881	of consider_directive_while_skipping, if nonzero.
7882	(do_endif): Just set potential_control_macro here.
7883	(validate_else): Use _cpp_get_directive_token.
7884	(do_assert, do_unassert): Don't save pointers into the
7885	token_buffer across calls to the lexer.  Use
7886	_cpp_get_directive_token.
7887
7888	* cpplib.h (cpp_buffer): Remove alimit and colno.  Make mark a
7889	pointer, not an offset.  Replace 'data', which was a generic
7890	pointer, with 'macro', which points to a struct hashnode.
7891	(cpp_reader): Add 'potential_control_macro' pointer.
7892	* cpphash.h (T_UNUSED): Replace with T_EMPTY.
7893	(CPP_BUF_GET, CPP_FORWARD): Delete.
7894	(CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
7895	(CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
7896	ACTIVE_MARK_P): Update.
7897	(_cpp_get_define_token): New internal function.
7898	* cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
7899
79002000-04-05   Benjamin Kosnik  <bkoz@cygnus.com>
7901
7902	* configure.in: And here.
7903	* configure: Regenerate.
7904	* acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
7905	--enable-libstdcxx-v3 is passed at configure time.
7906	* config.h.in: Regenerate.
7907
79082000-04-05  Mark Mitchell  <mark@codesourcery.com>
7909
7910	* final.c (final): Use xcalloc to allocate line_note_exists.
7911	* function.c (free_after_compilation): Free the temp_slots.
7912	(assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
7913	(combine_temp_slot): Free temp_slots when they get combined.
7914	(purge_addressof): Fix typo in comment.
7915	* stmt.c (mark_goto_fixup): Mark the fixup itself.
7916	(expand_fixup): Allocate the fixup with ggc_alloc_obj.
7917
7918	* ggc.h: Include varray.h.
7919	(ggc_pending_trees): Declare.
7920	(ggc_mark_tree_children): Remove declaration.
7921	(ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
7922	* ggc-common.c (ggc_pending_trees): New variable.
7923	(ggc_mark_roots): Call ggc_mark_trees.
7924	(ggc_mark_tree_children): Rename to ggc_mark_trees.  Process all
7925	the ggc_pending_trees.
7926	* Makefile.in (GGC_H): New variable.  Use it throughout in place
7927	of ggc.h.
7928
7929Thu Apr  6 00:30:50 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
7930
7931	* sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accommodate an unsigned
7932	GET_MODE_SIZE.
7933
7934Wed Apr  5 23:17:10 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
7935
7936	* sh.c (sh_insn_length_adjustment): New function.
7937	* sh-protos.h (sh_insn_length_adjustment): Declare.
7938	* sh.h (ADJUST_INSN_LENGTH): Use it.
7939
7940Wed Apr  5 12:35:18 2000  Hans-Peter Nilsson  <hp@axis.com>
7941
7942	* optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
7943	from the insn where REG_RETVAL is added.
7944	(emit_no_conflict_block): Ditto.
7945
7946	* md.texi (Standard Names): Clarify when movX is needed.
7947
7948	* combine.c (simplify_comparison) [MINUS]: Do not replace
7949	all (op (minus A B) 0) with (op A B).
7950
7951Wed Apr  5 18:03:31 2000  Toshiyasu Morita  (toshi.morita@sega.com)
7952			  J"orn Rennecke <amylaar@cygnus.co.uk>
7953
7954	* sh.md (block_lump_real_i4): Add missing clobber of T_REG
7955	(block_lump_real): Likewise.
7956
79572000-04-05  Chris Demetriou  <cgd@netbsd.org>
7958
7959	* mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
7960	remaining nonzero debugging masks.
7961
7962Wed Apr  5 09:44:07 2000  Jeffrey A Law  (law@cygnus.com)
7963
7964	* basic-block.h (verify_flow_info): Declare.
7965	(flow_loop_outside_edge_p): Declare.
7966	* flow.c (verify_flow_info): Remove declaration.
7967	(clear_log_links, flow_loop_outside_edge_p): Likewise.
7968
7969Wed Apr  5 09:34:26 2000  Philippe De Muyter <phdm@macqel.be>
7970
7971	* m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
7972	not C++ comments.
7973
79742000-04-05  Jakub Jelinek  <jakub@redhat.com>
7975
7976	* config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
7977	snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
7978	seqdi_zero_trunc+1): Allow splits only if registers are
7979	different.
7980
79812000-04-04  Ulrich Drepper  <drepper@cygnus.com>
7982
7983	* acconfig.h: Add HAVE_GAS_HIDDEN.
7984	* config.in: Regenerated.
7985	* configure.in: Add test for .hidden pseudo-op in gas.
7986	* configure: Regenerated.
7987	* crtstuff.c: Include auto-host.h.
7988	Emit additional .hidden pseudo-op for __dso_handle if the
7989	assembler knows about it.
7990
79912000-04-04  Philippe De Muyter  <phdm@macqel.be>
7992
7993	* cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
7994	before freeing argnames.
7995	* cpplib.c (do_ifndef): Cast return value of xstrdup.
7996
79972000-04-05  Michael Meissner  <meissner@redhat.com>
7998
7999	* config/rs6000/rs6000.c (print_operand): Patch from Jonathan
8000	Walton <jonboy@gordian.com> to make memory references with update
8001	work wtih -mregnames.
8002
80032000-04-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8004
8005	* regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
8006	(regrename_optimize): Rename variables `def_uses' and
8007	`ext_basic_blocks' to avoid conflicts with similarly named
8008	typedefs in traditional C.
8009
8010	* calls.c (initialize_argument_information): Fix typo in previous
8011	change.
8012
80132000-04-04  Richard Henderson  <rth@cygnus.com>
8014
8015	* regrename.c (consider_available): Test fixed_regs not
8016	PIC_OFFSET_TABLE_REGNUM.
8017
80182000-04-04  Geoff Keating  <geoffk@cygnus.com>
8019
8020	* config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
8021	crtend.
8022	(CRTSTUFF_T_CFLAGS_S): Delete definition.
8023	* config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
8024	(ENDFILE_LINUX_SPEC): Always use crtend.
8025	* configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
8026	(powerpc-*-linux-gnu): Likewise.
8027	* configure: Regenerate.
8028
8029	* config/rs6000/eabi.h:	Don't include sysv4.h.
8030	(MULTILIB_DEFAULTS): Don't define.
8031	* config/rs6000/eabiaix.h: Don't include eabi.h.
8032	* config/rs6000/eabile.h: Delete.
8033	* config/rs6000/eabilesim.h: Delete.
8034	* config/rs6000/eabisim.h: Don't include eabi.h.
8035	* config/rs6000/linux.h: Don't include sysv4.h.
8036	(JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
8037	(MULTILIB_DEFAULTS): Don't redefine.
8038	* config/rs6000/rtems.h: Don't include eabi.h.
8039	* config/rs6000/sol2.h: Don't include sysv4le.h.
8040	* config/rs6000/sysv4le.h: Don't include sysv4.h.
8041	* config/rs6000/t-ppc: Delete.
8042	* config/rs6000/t-ppcgas: Correct comment.
8043	* config/rs6000/t-ppcos: Correct comment.  Don't build
8044	multilibs for -fPIC, rather use -fPIC -mstrict-align
8045	as default.
8046	* config/rs6000/t-ppc: Delete.
8047	* config/rs6000/vxppc.h: Don't include sysv4.h.
8048	* config/rs6000/vxppcle.h: Delete.
8049	* configure.in: Use multiple header files for p2pc ELF targets
8050	powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
8051	powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
8052	powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
8053	powerpc-vxworks, powerpcle-vxworks.  Assume GAS functionality is
8054	always available for these platforms.
8055
80562000-04-04  Richard Henderson  <rth@cygnus.com>
8057
8058	* calls.c (try_to_integrate): Initialize reg_parm_stack_space.
8059
80602000-04-04  Stan Cox  <scox@cygnus.com>
8061
8062	* Makefile.in: Add rules for regrename.o
8063	* regrename.c: New file.
8064	* rtl.h (regrename_optimize): Add prototype.
8065	* toplev.c (rename_registers_dump, flag_rename_registers): New variables
8066	(compile_file, decode_d_option): Add support for -frename-registers.
8067	(rest_of_compilation): Call regrename_optimize.
8068	* config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
8069	New macros.
8070
80712000-04-04  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
8072
8073	* Makefile (gccbug): New target.
8074	(doc): Depend on it.
8075	* gcc.texi (Bugs): Link subnodes.
8076	(gccbug): New node.
8077	* gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
8078	Document severities, priorities, and classes in bug form.
8079
80802000-04-04  Zack Weinberg  <zack@wolery.cumb.org>
8081
8082	* cpplex.c (trigraph_map, speccase): Combine into single
8083	table, chartab.
8084	(NORMAL, NONTRI): New macros.
8085	(_cpp_read_and_prescan): Change to use unified table.  Use
8086	is_hspace to test for whitespace.
8087
8088	* dbxout.c (CONTIN): If it doesn't have to do anything, give it a
8089	definition that doesn't provoke the "empty body in an
8090	if-statement" warning.
8091
80922000-04-04  Clinton Popetz  <cpopetz@cygnus.com>
8093
8094	* builtins.c (expand_builtin_strlen): Force the source to
8095	be a memory address.
8096
80972000-04-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8098
8099	* cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
8100
8101Tue Apr  4 19:17:20 MET DST 2000  Jan Hubicka  <jh@suse.cz>
8102
8103	* calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
8104	 ECF_LONGJMP, ECF_FORK_OR_EXEC):  New constants.
8105	(ECF_IS_CONST): Rename to ECF_CONST.
8106	(special_function_p): Make static, change interface.
8107	(flags_from_decl_or_type, try_to_integrate): Break out from ...
8108	(expand_call) ... here; convert number of variables to flags.
8109	(emit_library_call_vlue_1): Likewise.
8110	(setjmp_call_p): New function.
8111	(initialize_argument_information): Accepts flags as argument;
8112	return flags.
8113	(precompute_arguments): Likewise.
8114	* tree.h (special_function_p): Remove.
8115	(setjmp_call_p): Add prototype.
8116
81172000-04-04  Jakub Jelinek  <jakub@redhat.com>
8118
8119	* config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
8120	so that addresses are offsetable by up to 16 bytes.
8121	(GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
8122	non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
8123	offsetable.
8124
8125	* config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
8126	(movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
8127	(movsf): Don't force any constant to memory if target is integer
8128	hard register.
8129	Move fp_zero_operand check below the const0_rtx check.
8130	(movtf): Likewise. Also allow fp_zero_operand for stores into
8131	memory.
8132	(movdf): Likewise. Also allow fp_zero_operand for stores into
8133	memory and into integer hard registers.
8134	(clear_df, clear_dfp, movdf_const_intreg_sp32,
8135	movdf_const_intreg_sp64): Remove.
8136	(movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
8137	conditions.
8138	(movdf_no_e_insn_v9_sp32): New pattern.
8139	(movdf_insn_v9only): Remove.
8140	(movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
8141	(movdf_insn_sp64): Remove.
8142	(movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
8143	(movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
8144	(following splits): Rewrite conditions. Add two new splits
8145	for storing 0.0 into memory and registers.
8146	(clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
8147	(movtf_insn_sp32): Redo constraints and conditions.
8148	(movtf_insn_vis_sp32): New pattern.
8149	(movtf_no_e_insn_sp32): Redo constraints and conditions.
8150	(movtf_insn_hq_sp64): Likewise.
8151	(movtf_insn_hq_vis_sp64): New pattern.
8152	(movtf_insn_sp64): Redo constraints and conditions.
8153	(movtf_insn_vis_sp64): New pattern.
8154	(movtf_no_e_insn_sp64): Redo constraints and conditions.
8155	(movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
8156	or memory.
8157	* config/sparc/sparc.c (sparc_override_options): Assume v9 if either
8158	-mvis or -m64 to take down the number of various reload patterns.
8159
8160Tue Apr  4 00:41:53 2000  Jeffrey A Law  (law@cygnus.com)
8161
8162	* pa/pa-64.h: New file.
8163	* pa/pa64-regs.h: New file.
8164	* pa/pa64-start.h: New file.
8165	* pa/t-pa64: New file.
8166	* pa/xm-pa64hpux.h: New file.
8167
81682000-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8169
8170	* sparc.c (output_restore_regs): Prototype.
8171	(sparc_emit_float_lib_cmp): Constification.
8172
8173	* emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
8174
8175	* reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
8176	Prototype.
8177
8178	* simplify-rtx.c (entry_and_rtx_equal_p): Constification.
8179	(get_value_hash, hash_rtx): Likewise.
8180
8181	* ssa.c (compute_conservative_reg_partition): Prototype.
8182
8183	* tree.c (mark_hash_entry): Prototype.
8184
81852000-04-03  Zack Weinberg  <zack@wolery.cumb.org>
8186
8187	* bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
8188	* i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
8189	* i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
8190
8191	* gcc.c (C specs): Pass -fno-show-column to the preprocessor.
8192	* objc/lang-specs.h: Likewise.
8193
81942000-04-03  Neil Booth  <NeilB@earthling.net>
8195
8196	* cppexp.c: wrap long lines.  New macros CPP_ICE, SYNTAX_ERROR
8197	and SYNTAX_ERROR2. Replace `' in messages with ''.
8198	(op_to_str): Make re-entrant.
8199	(_cpp_parse_expr): Implement new error macros. Use | rather
8200	than || to logically or 2 boolean integers.  Simply expression
8201	checking we have a left operand iff needed.
8202
82032000-04-03  Nick Clifton  <nickc@cygnus.com>
8204
8205	* Makefile.in (diagnostic.o): Depend upon diagnostic.c
8206
82072000-04-03  Philip Blundell  <philb@gnu.org>
8208
8209	* config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
8210
82112000-04-03  Felix Lee  <flee@cygnus.com>
8212
8213	* fixinc/server.c (find_shell): New function.  Avoid $SHELL.
8214	(run_shell): Use it.
8215
82162000-04-03  Jonathan Larmour  <jlarmour@redhat.co.uk>
8217
8218	* Makefile.in (stmp-int-hdrs): Make include subdir here...
8219	(stmp-fixproto): ...rather than here.
8220
8221Mon Apr  3 00:50:06 2000  Jason Eckhardt <jle@cygnus.com>
8222
8223	* pa.c (print_operand): Compute 'base' only inside the code paths
8224	that use it.
8225
82262000-04-03  Geoffrey Keating  <geoffk@cygnus.com>
8227
8228	* stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
8229	CEIL_DIV_EXPR.
8230
82312000-04-03  Philipp Thomas  <pthomas@suse.de>
8232
8233	* i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
8234
8235Mon Apr  3 00:02:59 2000  Brad Lucier <lucier@math.purdue.edu>
8236
8237	* Makefile.in (alias.o): Depend on $(TREE_H).
8238
82392000-04-02  Zack Weinberg  <zack@wolery.cumb.org>
8240
8241	* cppinit.c (cpp_start_read): Turn off -Wtraditional if
8242	processing C++.
8243	* cpplib.c (_cpp_handle_directive): Improve warnings for
8244	traditional C and indented directives.
8245
8246	* enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
8247	fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
8248	fixinc/inclhack.def: Indent the # of #include_next one space.
8249	* cp/rtti.c: Un-indent #if and #endif.
8250
8251	* cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
8252	syntax error, but an error has already been printed.
8253	* cpplex.c (_cpp_parse_assertion): Give a more specific error
8254	message when called with nothing remaining on the line.
8255	(_cpp_lex_token): If _cpp_parse_assertion fails, return an
8256	OTHER token, not an ASSERTION.
8257	* cpplib.c (do_assert): When we create a 'base' node, clear
8258	its aschain pointer.
8259
82602000-04-02  Neil Booth <NeilB@earthling.net>
8261
8262	* cppexp.c:  New typedef op_t.  struct operation and struct
8263	token updated to use it.
8264	(op_to_str): New function.
8265	(_cpp_parse_expr): Error messages modified to use op_to_str.
8266
82672000-04-02  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
8268
8269	* config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
8270	before checking MUST_PASS_IN_STACK.
8271
82722000-04-02  Neil Booth <NeilB@earthling.net>
8273
8274	* cppexp.c:  New FINISHED dummy token.  Combine operator initial
8275	flags and initial priority into a single constant.  New
8276	EQUALITY macro.  New operator flag SHORT_CIRCUIT.
8277	(_parse_cpp_expr): Implement new constants.  Take left operand
8278	checks out of reduction loop.  Handle SHORT_CIRCUIT.  End of
8279	parse indicated by reducing FINISHED token.  Remove new lines
8280	from cpp_error messages.
8281
82822000-04-01  Mark Mitchell  <mark@codesourcery.com>
8283
8284	* emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
8285	permanent obstack.
8286
82872000-04-01  Zack Weinberg  <zack@wolery.cumb.org>
8288
8289	* cpplib.c: Include symcat.h.  Add 'origin' field to struct
8290	directive.  Add origin values to DIRECTIVE_TABLE.  Generate
8291	the strings and function names on the fly.  Take the #sccs
8292	entry out of the table if SCCS_DIRECTIVE is not defined.
8293	(_cpp_handle_directive): Decide if the # was at the beginning
8294	of the line here.  Issue -pedantic warnings for extended
8295	directives here.  Warn about K+R directives with the #
8296	indented, and C89/extended directives with the # not indented,
8297	here.
8298	(do_import, do_include_next, do_warning, do_ident, do_sccs,
8299	do_assert, do_unassert): Don't issue pedantic warning here.
8300
8301	* cpphash.h: Add CPP_WTRADITIONAL macro.
8302	* cpplib.h (struct cpp_options): Rename warn_stringify to
8303	warn_traditional; update comments.
8304	* cppinit.c (handle_option): Set warn_traditional not
8305	warn_stringify.
8306	* cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
8307	CPP_WTRADITIONAL (pfile).
8308	* cpplex.c (_cpp_lex_token): Don't decide if directives should
8309	be ignored in -traditional mode here.
8310
8311	* cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
8312	to initialize speccase[] and trigraph_map[].  Delete all
8313	references to pfile->input_speccase.  Always treat '?' as a
8314	special character.  Remove table-initialization code from
8315	_cpp_init_input_buffer.
8316
8317	* cpplib.h (struct cpp_reader): Remove input_speccase field.
8318	* cppinit.c (cpp_cleanup): Don't free input_speccase.
8319
83202000-04-01  Richard Henderson  <rth@cygnus.com>
8321
8322	* Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
8323	(mostlyclean): Likewise.
8324
8325	* toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
8326	(struct dump_file_info, enum dump_file_index, dump_file): New.
8327	(open_dump_file): Take a dump_file_index not a suffix, and a decl
8328	not a string.  Clean out file if we haven't yet done so.  Do nothing
8329	if the dump isn't enabled.
8330	(close_dump_file): Do nothing if the dump isn't open.  Dump
8331	graph data if requested.
8332	(dump_rtl, clean_dump_file): Remove.
8333	(compile_file): Don't clean the dump files.  Only finalize .bp dump
8334	if flag_test_coverage or flag_branch_probabilities.  Only finalize
8335	.combine dump if optimizing.  Iterate over dump_file to finalize the
8336	graph dumps.
8337	(rest_of_compilation): Update for open_dump_file/close_dump_file.
8338	Convert all uses of dump_rtl.
8339	(decode_d_option): Iterate over dump_file to implement 'a' and to
8340	locate pass-specific dumps.
8341
83422000-04-01  Neil Booth <NeilB@earthling.net>
8343
8344	* cppexp.c: Redefine priority constants.
8345	(_cpp_parse_expr): Replace left and right priority scheme with
8346	single priority logic.  Move LOGICAL to same place as COMPARE.
8347	Remove bogus check for multiple unary +/- operators.
8348
83492000-04-01  Neil Booth <NeilB@earthling.net>
8350
8351	* cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
8352	within the switch statement.  Binary operations break out of
8353	the switch naturally.  '(' tokens handled by forcing
8354	immediate shift.  ')' handled by forcing immediate reduce to
8355	the previous '('.  New error messages.
8356
83572000-03-31  Geoff Keating  <geoffk@cygnus.com>
8358
8359	* config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
8360	part', it's already in use.  Use %K instead.  Add a return at the
8361	end of what is now %K.
8362	* config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
8363
8364Sat Apr  1 02:05:29 MET DST 2000  Jan Hubicka  <jh@suse.cz>
8365
8366	* builtins.c  (expand_builtin_apply):  Pass proper parameters to
8367	allocate_dynamic_stack_space.
8368	* calls.c (emit_call_1):  Do not adjust stack pointer for SIB,
8369	update stack_pointer_delta; do not update arg_size_so_far.
8370	(compute_argument_block_size): Use stack_delta instead of
8371	stack_pointer_pending and arg_size_so_far.
8372	(expand_call): Add sanity checking for stack_pointer_delta;
8373	save and restore stack_pointer_delta for SIB, use
8374	stack_pointer_delta for alignment; do not update arg_space_so_far.
8375	(emit_library_call_value): Use stack_pointer_delta for alignment.
8376	(store_one_arg): Do not update arg_space_so_far.
8377	* explow.c (adjust_stack, anti_adjust_stack): Update
8378	stack_pointer_delta.
8379	(allocate_dynamic_stack_space): Add sanity checking for
8380	stack_pointer_delta.
8381	* expr.c (init_expr, clear_pending_stack_adjust): Clear
8382	stack_pointer_delta.
8383	(emit_push_insn): Update stack_pointer_delta.
8384	* function.h (struct expr_status): Add x_stack_pointer_delta;
8385	remove x_arg_space_so_far.
8386	(arg_space_so_far): Remove.
8387	(stack_pointer_delta): New macro.
8388
83892000-03-31  Zack Weinberg  <zack@wolery.cumb.org>
8390
8391	* cpplib.h: Merge struct cpp_options into struct cpp_reader.
8392	Reorder struct cpp_options and struct cpp_reader for better
8393	packing.  Replace CPP_OPTIONS macro with CPP_OPTION which
8394	takes two args.  Change all 'char' flags to 'unsigned char'.
8395	Move show_column flag into struct cpp_options.  Don't
8396	prototype cpp_options_init.
8397	* cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
8398	cppinit.c, cpplex.c, cpplib.c:
8399	Replace CPP_OPTIONS (pfile)->whatever with
8400	CPP_OPTION (pfile, whatever), and likewise for
8401	opts = CPP_OPTIONS (pfile); ... opts->whatever;
8402
8403	* cppinit.c (merge_include_chains): Take a cpp_reader *.
8404	Extract CPP_OPTION (pfile, pending) and work with that
8405	directly.
8406	(cpp_options_init): Delete.
8407	(cpp_reader_init): Turn on on-by-default options here.
8408	Allocate the pending structure here.
8409	(cl_options, enum opt_code): Define these from the same table,
8410	kept in a large macro.  Add -fshow-column and -fno-show-column
8411	options.
8412
8413	* cpperror.c (v_message): If show_column is off, don't print
8414	the column number.
8415
8416	* cppmain.c: Update for new interface.
8417	* fix-header.c: Likewise.
8418
84192000-03-30  Geoff Keating  <geoffk@cygnus.com>
8420
8421	* config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8422	definition.
8423	* Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8424	are passed to any invocation of AR_FOR_TARGET.
8425	(AR_CREATE_FOR_TARGET): New macro.
8426	(AR_EXTRACT_FOR_TARGET): New macro.
8427	(ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8428	AR_EXTRACT_FOR_TARGET.
8429	(many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8430	in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8431	`$(AR_FOR_TARGET) x'.  Pass AR_CREATE_FOR_TARGET and
8432	AR_EXTRACT_FOR_TARGET to sub-makes.
8433
84342000-03-31  Neil Booth <NeilB@earthling.net>
8435
8436	* cppexp.c: Delete SKIP_OPERAND.  Correct priority
8437	PAREN_INNER_PRIO.
8438	(_cpp_parse_expr): Check for multiple unary +/- operators.
8439	Correct priorities of ':' and '?'.  Treat ')' as having a
8440	value.	Ensure conditional expression is not void.
8441
84422000-03-31  Mark Mitchell  <mark@codesourcery.com>
8443
8444	* alias.c (canon_rtx): Make it global.
8445	(rtx_equal_for_memref_p): CONST_INT equality is now pointer
8446	equality.
8447	* cse.c (struct table_elt): Add canon_exp.
8448	(insert): Clear it.
8449	(invalidate): Canonicalize expressions only once.
8450	* rtl.h (canon_rtx): Declare.
8451
84522000-03-30  Mark Mitchell  <mark@codesourcery.com>
8453
8454	* Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8455	* alias.c (reg_known_value): Add comments.
8456	(init_alias_analysis): Likewise.
8457	* cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8458	address.
8459	(cse_basic_block): Fix typo in comment.
8460	* emit-rtl.c: Include hashtab.h.
8461	(const_int_htab): New variable.
8462	(const_int_htab_hash): New function.
8463	(const_int_htab_eq): Likewise.
8464	(rtx_htab_mark_1): Likewise.
8465	(rtx_htab_mark): Likewise.
8466	(gen_rtx_CONST_INT): Cache all CONST_INTs.
8467	(unshare_all_rtx): Fix formatting.
8468	(init_emit_once): Initialize const_int_htab.
8469	* rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8470	address.
8471	* rtl.texi: Document the fact that all CONST_INTs with the same
8472	value are shared.
8473
84742000-03-30  Richard Henderson  <rth@cygnus.com>
8475
8476	* alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8477
84782000-03-30  Zack Weinberg  <zack@wolery.cumb.org>
8479
8480	* configure.in: Comment out --enable-c-cpplib stanza.
8481	* configure: Regenerate.
8482
8483Thu Mar 30 06:32:51 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8484
8485	* expr.c (store_constructor): Properly compute displacement and
8486	alignment when offset is variable.
8487
8488	* expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8489	cases of alignment in bytes.
8490
8491Thu Mar 30 13:30:40 2000  Jeffrey A Law  (law@cygnus.com)
8492
8493	* c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8494	since it is used to generate c-parse.y.
8495	* objc-parse.c, objc-parse.y: Regenerated.
8496
8497	* function.c (expand_function_end): Pass alignment argument to
8498	emit_block_move in bits, not bytes.
8499
8500Thu Mar 30 06:32:51 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8501
8502	* expr.c (move_by_pieces_ninsns): Fix one more missing align
8503	correction.
8504
8505	* expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8506
8507	* calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8508	* explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8509	* function.c (assign_parms): Likewise.
8510	* integrate.c (expand_inline_function): Likewise.
8511	* stmt.c (expand_decl): Likewise.
8512	(copy_rtx_and_substitute): Likewise.
8513	* expr.c (expand_expr, expand_expr_unaligned): Likewise.
8514	(clear_by_pieces): Fix error in last change.
8515	* emit-rtl.c (init_emit): Set known registers alignment in bits.
8516	* function.h (regno_pointer_align): Now unsigned.
8517	* config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8518	is in bits.
8519	* config/i386/i386.c (aligned_operand): Likewise.
8520	* config/sparc/sparc.c (mem_min_alignment): Likewise.
8521	* config/alpha/alpha.c (aligned_memory_operand): Likewise.
8522	(unaligned_memory_operand): Likewise.
8523	(alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8524	Also make alignments and sizes unsigned and some whitespace cleanup.
8525	(alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8526
8527	* builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8528	(expand_builtin_apply): Pass alignment to emit_block_move in bits.
8529	(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8530	(expand_builtin_memset): Likewise, but to clear_storage.
8531	* calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8532	(restore_fixed_argument_area): Likewise.
8533	(store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8534	(load_register_parameters): Likewise, to emit_group_load.
8535	(expand_call): Likewise, to emit_group_store and emit_block_move.
8536	(emit_library_call_value_1): Likewise, to emit_block_move.
8537	(store_one_arg): Likewise, and to emit_push_insn.
8538	* expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8539	(extract_fixed_bit_field, extract_split_bit_field): Likewise.
8540	* expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8541	(emit_block_move, emit_group_load, emit_group_store): Likewise.
8542	(clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8543	(expand_assigment, store_expr, store_constructor_field): Likewise.
8544	(expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
8545	(store_constructor, store_field, get_inner_reference): Likewise.
8546	Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
8547	(expand_expr, case COMPONENT_REF): Likewise.
8548	(copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
8549	and positions; reindent code.
8550	* expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
8551	* function.c (purge_addressof_1): Pass bit align to store_bit_field.
8552	(assign_parms): Likewise to emit_group_store.
8553	* optabs.c (prepare_cmp_insn): Alignment is in bits.
8554	(emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
8555	* stmt.c (expand_value_return): Pass align in bits to emit_group_load.
8556	(expand_return): Likewise to {extract,store}_bit_field.
8557	* stor-layout.c (get_mode_alignment): Minor cleanup.
8558	* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
8559	* config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
8560
85612000-03-29  Nick Clifton  <nickc@cygnus.com>
8562
8563	* config/arm/arm.h: Undo effects of previous delta:
8564	(ASM_SPEC): Do not define.
8565	(SUBTARGET_EXTRA_ASM_SPEC): Do not define.
8566
8567	* config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
8568	typo.
8569
85702000-03-29  Zack Weinberg  <zack@wolery.cumb.org>
8571
8572	* cppinit.c (cpp_start_read): Call initialize_dependency_output
8573	only after reading in the primary source file.
8574
85752000-03-29  Geoff Keating  <geoffk@cygnus.com>
8576
8577	* c-common.c (c_common_nodes_and_builtins): The first parameter to
8578	__builtin_va_start and __builtin_va_copy is now either a 'va_list'
8579	or a reference to a va_list.
8580	* builtins.c (stabilize_va_list): Simplify now we don't have to
8581	work around C array address decay.
8582	* c-typeck.c (convert_for_assignment): Handle assignment to
8583	a reference parameter by taking the address of the RHS.
8584	* ginclude/stdarg.h (va_start): Don't take address of first parameter.
8585	(va_copy): Likewise.
8586	(__va_copy): Likewise.
8587	* ginclude/varargs.h (va_start): Likewise.
8588	(__va_copy): Likewise.
8589
8590Wed Mar 29 15:44:53 2000  Jeffrey A Law  (law@cygnus.com)
8591
8592	* i386/djgpp.h: Remove extraneous "+".
8593
8594	* stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
8595
8596	* calls.c (expand_call): Fix typo in last change.
8597
85982000-03-29  Jason Merrill  <jason@casey.cygnus.com>
8599
8600	* tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
8601	been expanded.
8602
8603Wed Mar 29 15:39:10 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8604
8605	* stor-layout.c (bit_from_pos, byte_from_pos): New functions.
8606	(pos_from_byte, pos_from_bit, normalize_offset): Likewise.
8607	(normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
8608	* tree.c (bit_position, byte_position): Likewise.
8609	* tree.h: Declare new functions.
8610
86112000-03-29  Nick Clifton  <nickc@cygnus.com>
8612
8613	* config/arm/arm.c: Minor formatting changes/
8614	* config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8615	already defined.
8616	(ASM_SPEC): Define if not already defined.
8617
86182000-03-29  Zack Weinberg  <zack@wolery.cumb.org>
8619
8620	* cppfiles.c (cpp_read_file): Don't pass zero-length string to
8621	_cpp_calc_hash.
8622
86232000-03-29  Jakub Jelinek  <jakub@redhat.com>
8624
8625	* dwarf2out.c (gen_enumeration_type_die): If enum has a negative
8626	value, don't output it as unsigned.
8627
8628Wed Mar 29 10:53:49 2000  Jeffrey A Law  (law@cygnus.com)
8629
8630	* stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
8631
86322000-03-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8633
8634	* c-common.c (c_common_nodes_and_builtins): Don't special case
8635	cplus_mode when declaring builtin bzero/bcmp, always avoid
8636	prototype arguments.
8637
86382000-03-29  Bruce Korb  <bkorb@gnu.org>
8639
8640	* fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
8641	to a non-file
8642
8643Wed Mar 29 15:08:01 MET DST 2000  Jan Hubicka  <jh@suse.cz>
8644
8645	Convert ACCUMULATE_OUTGOING_ARGS to an expression.
8646	* calls.c (PUSH_ARGS_REVERSED) Change to expression.
8647	(ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
8648	(struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
8649	(save_fixed_argument_area, restore_fixed_argument_area):
8650	conditionize by #ifdef REG_PARM_STACK_SPACE only.
8651	(emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
8652	to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
8653	(precompute_register_parameters): Avoid #ifdefs on
8654	ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
8655	(stire_one_args): Likewise.
8656	(expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
8657	(emit_library_call_value_1): Likewise.
8658	(compute_argument_block_size): Align to STACK_BOUNDARY only for
8659	ACCUMULATE_OUTGOING_ARGS.
8660	* combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
8661	value.
8662	(nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
8663	(use_crosses_set_p): Likewise.
8664	* all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
8665	#define ACCUMULATE_OUTGOING_ARGS 1.
8666	* i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
8667	frames.
8668	* i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
8669	constants.
8670	(TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
8671	(TARGET_SWITCHES): Add push-args, no-push-args,
8672	accumulate-outgoing-args and no-accumulate-outgoing-args.
8673	(ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
8674	* expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
8675	(push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
8676	and PUSH_ROUNDING.
8677	(emit_push_insn): Likewise.
8678	* final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8679	(final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
8680	* function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8681	(STACK_DYNAMIC_OFFSET): Define correctly for both
8682	ACCUMULATE_OUTGOING_ARGS and normal mode.
8683	* invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
8684	* tm.texi (PUSH_ARGS): Document.
8685	(ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
8686
8687Wed Mar 29 11:51:13 MET DST 2000  Jan Hubicka  <jh@suse.cz>
8688
8689	* flags.h (flag_optimize_sibling_calls): Declare.
8690	* calls.c (expand_call): Fail sibcall when
8691	!flag_optimize_sibling_calls
8692	* invoke.texi (flag_optimize_sibling_calls): Document.
8693	* toplev.c (flag_optimize_sibling_calls): New global variable.
8694	(f_options): Add flag_optimize_sibling_calls.
8695	(rest_of_compilation): Conditionize
8696	optimize_sibling_and_tail_recursive_calls by
8697	flag_optimize_sibling_calls.
8698	(main): Set flag_optimize_sibling_calls for -O2.
8699	* stmt.c (expand_return): Conditionize tail recursion by
8700	flag_optimize_sibling_calls.
8701
87022000-03-29  Richard Henderson  <rth@cygnus.com>
8703
8704	* config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
8705	(ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
8706
87072000-03-29  Nathan Sidwell  <nathan@codesourcery.com>
8708
8709	* except.c (add_eh_table_entry): Mark type_info's as referenced.
8710
87112000-03-29  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
8712
8713	* config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
8714	is given.
8715	* config/rs6000/aix43.h (CPP_SPEC): Likewise.
8716	* config/rs6000/rs6000.h (CPP_SPEC): Moved to...
8717	* config/rs6000/aix.h: then modified likewise.
8718
87192000-03-28  Richard Henderson  <rth@cygnus.com>
8720
8721	* rtl.h: Redistribute enum reg_note documentation.
8722	Kill trailing whitespace.
8723	* rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
8724	Kill trailing whitespace.
8725
87262000-03-28  Zack Weinberg  <zack@wolery.cumb.org>
8727
8728	* cppfiles.c (hash_IHASH): Just return i->hash.
8729	(cpp_included): Set dummy.hash using _cpp_calc_hash.  Use
8730	htab_find_with_hash.
8731	(cpp_read_file): Likewise.
8732	(find_include_file): Likewise.  Properly initialize
8733	ih->nshort.  Share ih->name and ih->nshort if possible.
8734	* cpphash.c (_cpp_calc_hash): New function.
8735	(hash_HASHNODE): Just return h->hash.
8736	(_cpp_lookup): Set dummy.hash using _cpp_calc_hash.  Use
8737	htab_find_with_hash.
8738	* cpphash.h: Prototype _cpp_calc_hash.
8739	* cppinit.c (initialize_builtins): Provide a valid hash
8740	to _cpp_make_hashnode, using _cpp_calc_hash.
8741
8742	* cpphash.c (collect_expansion): # is not a special character
8743	in object-like macros.  In -traditional mode, /**/ is not
8744	token paste at the beginning or end of the line.
8745	* cpplib.c (do_include, do_import, do_include_next): If
8746	parse_include fails, return immediately.
8747
87482000-03-28  Jason Merrill  <jason@casey.cygnus.com>
8749
8750	* config/arm/arm.md (return peepholes): Update to reflect the new
8751	call insn patterns.
8752	* config/arm/arm.c (arm_volatile_func): Also check
8753	current_function_nothrow.
8754	(output_return_instruction, output_func_prologue): Use it.
8755	(arm_output_epilogue, arm_expand_prologue): Likewise.
8756
87572000-03-27  Tom Tromey  <tromey@cygnus.com>
8758
8759	* gcc.c (handle_braces): In {x*...} case, break out of loop if
8760	switch is found.
8761
8762Tue Mar 28 11:55:48 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8763
8764	* expr.c (store_constructor): SIZE now signed.
8765	For EXPR_SIZE, don't evaluate size; just needed if constant.
8766	* fold-const.c (fold): Fix a number of cases when folded tree is
8767	wrong type.
8768	* function.c (flush_addressof): Reenable.
8769	* tree.h (flush_addressof): Likewise.
8770	* toplev.c (independent_decode_option): Look at strings_processed.
8771	* config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
8772
8773Tue Mar 28 08:29:46 2000  Jan Hubicka  <jh@suse.cz>
8774
8775	* sibcall.c (identify_call_return_value): Find last call in the chain;
8776	Allow stack adjustment after function call.
8777
8778	* regmove.c (struct csa_memlist): Make mem field rtx *.
8779	(record_one_stack_ref): Accept rtx * instead of rtx as parameter.
8780	(try_apply_stack_adjustment): Replace whole MEM rtx.
8781	(combine_stack_adjustments_for_block): Update calls
8782	to record_one_stack_ref.
8783
87842000-03-28  Neil Booth  <NeilB@earthling.net>
8785
8786	* cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
8787	'\\' rather than a null character, so nulls are not special.  Fix
8788	"\\\n" handling in end-of-buffer conditions.  Use trigraph map to
8789	speed trigraph conversion.
8790	(_cpp_init_input_buffer): Initialize trigraph map.
8791
87922000-03-27  Alan Modra  <alan@linuxcare.com.au>
8793
8794	* config/i386/i386.c (output_387_binary_op): Correct intel
8795	mode assembly output, and add spaces after commas in AT&T
8796	output.  Correct Unixware assembler comment.  Document input
8797	constraints.  Comment fp operations.  Reduce profligate buffer
8798	size.  Remove extraneous abort.  Localize temp var.
8799	(SYSV386_COMPAT): Define.  Add !SYSV386_COMPAT code.
8800	(output_fix_trunc): Add spaces after commas in assembly output.
8801
88022000-03-27  Richard Henderson  <rth@cygnus.com>
8803
8804	* i386-protos.h (ix86_match_ccmode): Declare.
8805	* i386.c (ix86_match_ccmode): New.
8806	(ix86_expand_fp_compare): Update for pattern renames.
8807	(ix86_expand_strlensi_unroll_1): Likewise.
8808	* i386.h (EXTRA_CC_MODES): Add CCZ.
8809	(SELECT_CC_MODE): Use it for EQ/NE zero.
8810	* i386.md (cmpsi_ccz_1): New.
8811	(cmpqi_ccz_1): New.
8812	(*testsi_ccz_1): New.
8813	(testqi_ccz_1): New.
8814	(cmpsi_ccno_1): Rename from cmpsi_0.
8815	(testsi_ccno_1): Rename from testsi_1.
8816	(testqi_ccno_1): Rename from testqi_1.
8817	(*testqi_ext_ccz_0): Rename from testqi_ext_0.
8818	(testqi_ext_ccno_0): Rename from *testqi_ext_1.
8819	(*cmphi_0): Use ix86_match_ccmode.
8820	(*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
8821	(*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
8822	(*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
8823	(*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
8824	(*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
8825	(*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
8826	(*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
8827	(*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
8828	(*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
8829	(*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
8830	(appropriate peepholes): Likewise.
8831	(*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
8832	(*subsi_3, *subhi_3, *subqi_3): Remove.
8833	(*negdi2_1+1 splitter): Use CCZ for neg patterns.
8834	(*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
8835	(*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
8836	(*neghi2_cmpz, *negqi2_cmpz): Similarly.
8837	(x86_shift_adj_1): Use CCZ.
8838	(*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
8839
88402000-03-27  Stan Cox  <scox@cygnus.com>
8841
8842	* resource.h (mark_resource_type): New.
8843	* resource.c (find_dead_or_set_registers, mark_target_live_regs,
8844	find_free_register): Use mark_resource_type.
8845	(mark_set_resources): Change include_delayed_effects
8846	to mark_resource_type.
8847	* reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
8848	redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
8849	Use mark_resource_type.
8850
88512000-03-27  Richard Henderson  <rth@cygnus.com>
8852
8853	* i386.md (call_pop_0, call_value_pop_0): New.
8854	(call_pop_1): Remove constraint from unused arg.  Support sibcalls.
8855	(call_value_pop_1): Likewise.
8856	(call_0, call_value_0): New.
8857	(call_1, call_value_1): Remove constraint from unused arg.
8858
88592000-03-27  Nick Clifton  <nickc@cygnus.com>
8860
8861	* invoke.texi (Spec Files): Document new spec % command created by
8862	Tom Tromey's recent patch.
8863
88642000-03-27  Jakub Jelinek  <jakub@redhat.com>
8865
8866	* libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
8867	if not defined.
8868
8869Mon Mar 27 06:04:22 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8870
8871	* expr.c (expand_assignment): Fix typo in last change.
8872
8873	* libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
8874
8875Sun Mar 26 20:15:26 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8876
8877	* c-convert.c (convert): Return if output or input type is ERROR_MARK.
8878	* c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
8879	and DECL_INLINE if FUNCTION_DECL.
8880	(pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
8881	(store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
8882	Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
8883	(combine_parm_decls): Likewise.
8884	* ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
8885	* print-tree.c (print_node): Likewise.
8886	Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
8887	DECL_TRANSPARENT_UNION on proper decl types.
8888	Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
8889	* stor-layout.c (layout_decl): Only check DECL_PACKED and
8890	DECL_BIT_FIELD of FIELD_DECL.
8891	* tree.h (DECL_RESULT_FLD): New macro.
8892
8893	* expr.c (expand_assignment): Add code to handle variable-sized
8894	BLKmode case.
8895
88962000-03-26  Richard Henderson  <rth@cygnus.com>
8897
8898	* calls.c (expand_call): Pass parms not original exp to
8899	optimize_tail_recursion.  Mind return value instead of looking
8900	for a barrier.
8901	* stmt.c (optimize_tail_recursion): Take parameter list, not entire
8902	call_expr.  Move checks for call_expr and current_function_decl ...
8903	(expand_return): ... here.
8904
89052000-03-26  Tom Tromey  <tromey@cygnus.com>
8906
8907	* gcc.c (handle_braces): Recognize `%{<S}' construct.
8908	(SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
8909	defines.
8910	(process_command): Use them.
8911	(check_live_switch): Likewise.
8912	(give_switch): Skip ignored switches.
8913
89142000-03-26  Jan Hubicka  <jh@suse.cz>
8915
8916	* jump.c (jump_optimize_1): Fix typo in elide optimizations
8917	for minimal jump pass test.
8918
89192000-03-26  Mark Mitchell  <mark@codesourcery.com>
8920
8921	* integrate.c (function_cannot_inline_p): Do inline functions that
8922	return `void'.
8923
8924Sun Mar 26 11:37:55 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8925
8926	* stor-layout.c (layout_type, set_sizetype): early_type_list is
8927	now a list of TREE_LIST entries, not types.
8928	* tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
8929
8930	* expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
8931	* config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
8932	int_bit_position.
8933	* config/mips/mips.c (function_arg): Likewise; also remove cast
8934	and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
8935	(mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
8936	* config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
8937	* config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
8938	(UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
8939	(POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
8940	(GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
8941	(struct mips_arg): arg_number, arg_words, fp_arg_words, and
8942	num_adjusts now unsigned.
8943	(FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
8944	* config/sparc/sparc.c (struct function_arg_record_value_parms):
8945	NREGS now unsigned.
8946	(function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
8947	as is BITPOS variable; use host_integerp and int_bit_position.
8948	(function_arg_record_value_2): Likewise.
8949	(function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
8950	Variable REGNO now unsigned.
8951	(function_arg_record_value): NREGS now unsigned.
8952
89532000-03-26  Bernd Schmidt  <bernds@cygnus.co.uk>
8954
8955	* jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
8956
8957Sat Mar 25 09:12:10 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8958
8959	* Rework fields used to describe positions of bitfields and
8960	modify sizes to be unsigned and use HOST_WIDE_INT.
8961	* alias.c (reg_known_value_size): Now unsigned.
8962	* c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
8963	(really_start_incremental_init): Use bitsize_zero_node.
8964	(push_init_level, pop_init_level, output_init_element): Likewise.
8965	Use bitsize_unit_node and bitsize_one_node.
8966	(output_pending_init_elements, process_init_element): Likewise.
8967	* combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
8968	(make_extraction): Position and length HOST_WIDE_INT and unsigned
8969	HOST_WIDE_INT, respectively.
8970	(get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
8971	(num_sign_bit_copies): Returns unsigned.
8972	BITWIDTH now unsigned; rework arithmetic.
8973	Remove recursive call from arg to MAX.
8974	(combine_instructions, init_reg_last_arrays): NREGS now unsigned.
8975	(setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
8976	REGNO now unsigned.
8977	(set_nonzero_bit_and_sign_copies): NUM now unsigned.
8978	(find_split_point, expand_compound_operation, make_extraction): LEN
8979	now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
8980	(make_field_assignment): Likewise.
8981	(combine_simplify_rtx): Add cast.
8982	(expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
8983	(force_to_mode): WIDTH now unsigned; add cast.
8984	(if_then_else_cond): SIZE now unsigned.
8985	(nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
8986	(extended_count): Now returns unsigned.
8987	(simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
8988	Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
8989	(simplify_comparison): MODE_WIDTH now unsigned.
8990	(update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
8991	(mark_used_regs_combine): Likewise; rework arithmetic.
8992	(record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
8993	(record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
8994	(record_promoted_value): REGNO now unsigned.
8995	(get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
8996	(get_last_value): REGNO now unsigned.
8997	(use_crosses_set_p): REGNO and ENDREGNO now unsigned.
8998	(reg_dead_regno, reg_dead_endregno): Now unsigned.
8999	(remove_death): Arg REGNO now unsigned.
9000	(move_deaths):  REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
9001	(reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
9002	now unsigned.
9003	* convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
9004	* cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
9005	(struct cse_reg_info): REGNO now unsigned.
9006	(cached_regno): Now unsigned.
9007	(REGNO_QTY_VALID_P): Add cast.
9008	(make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
9009	(remove_invalid_regs): Likewise.
9010	(remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
9011	as are variables END and I.
9012	(get_cse_reg_info, insert): Likewise.
9013	(mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
9014	(canon_hash): Likewise.
9015	(insert_regs, lookup_for_remove): REGNO now unsigned.
9016	(invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
9017	New variable RN.
9018	* dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
9019	* dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
9020	* emit-rtl.c (subreg_realpart_p): Add cast.
9021	(operand_subword): Arg I is now unsigned as is var PARTWORDS.
9022	(operand_subword_force): Arg I is now unsigned.
9023	* except.c (eh_regs): Variable I is now unsigned.
9024	* explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
9025	* expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
9026	length is unsigned HOST_WIDE_INT; likewise for internal variables.
9027	(store_split_bit_field, extract_fixed_bit_field): Likewise.
9028	(extract_split_bit_field, store_bit_field, extract_bit_field):
9029	Likewise.
9030	* expr.c (store_constructor_fields, store_constructor, store_field):
9031	Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
9032	(expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
9033	(do_jump): Likewise.
9034	(move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
9035	MAX_SIZE is now unsigned.
9036	(emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
9037	(emit_group_store): Likewise.
9038	(emit_move_insn): I now unsigned.
9039	(store_constructor): Use host_integerp, tree_low_cst, and
9040	bitsize_unit_node.
9041	(get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
9042	Rework all calculations to use trees and new fields.
9043	* expr.h (promoted_input_arg): Regno now unsigned.
9044	(store_bit_field, extract_bit_field): Adjust types of pos and size.
9045	(mark_seen_cases): Arg is HOST_WIDE_INT.
9046	* flow.c (verify_wide_reg_1): REGNO now unsigned.
9047	* fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
9048	precisions and alignments are unsigned.
9049	(optimize_bit_field_compare, fold_truthop): Likewise.
9050	(int_const_binop): Adjust threshold for size_int_type_wide call.
9051	(fold_convert): Likewise.
9052	(size_int_type_wide): Make table larger and fix thinko that only
9053	had half of table used.
9054	(all_ones_mask_p, fold): Precisions are unsigned.
9055	* function.c (put_reg_info_stack): REGNO is unsigned.
9056	(instantiate_decl): Size is HOST_WIDE_INT.
9057	(instantiate_virtual_regs): I is unsigned.
9058	(assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
9059	(promoted_input_arg): REGNO is unsigned.
9060	* function.h (struct function): x_max_parm_reg is now unsigned.
9061	* gcse.c (max_gcse_regno): Now unsigned.
9062	(struct null_pointer_info): min_reg and max_reg now unsigned.
9063	(lookup_set, next_set): REGNO arg now unsigned.
9064	(compute_hash_table): REGNO and I now unsigned.
9065	(handle_avail_expr): regnum_for_replacing now unsigned.
9066	(cprop_insn): REGNO now unsigned.
9067	(delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
9068	* ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
9069	* global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
9070	* hard-reg-set.h (reg_class_size): Now unsigned.
9071	* integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
9072	* jump.c (mark_modified_reg): I now unsigned; add cast.
9073	(rtx_equal_for_thread_p): Add cast.
9074	* loop.c (max_reg_before_loop): Now unsigned.
9075	(struct_movable): REGNO now unsigned.
9076	(try_copy_prop): REGNO arg unsigned.
9077	(regs_match_p): XN and YN now unsigned.
9078	(consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
9079	(strength_reduce): Likewise; NREGS also unsigned.
9080	(first_increment_giv, last_increment_giv unsigned): Now unsigned.
9081	* loop.h (struct iv_class): REGNO now unsigned.
9082	(max_reg_before_loop, first_increment_giv, last_increment_giv):
9083	Now unsigned.
9084	* machmode.h (mode_size, mode_unit_size): Now unsigned.
9085	(mode_for_size, smallest_mode_for_size): Pass size as unsigned.
9086	* optabs.c (expand_binop): I and NWORDS now unsigned.
9087	(expand_unop): I now unsigned.
9088	* print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
9089	print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
9090	* real.c (significand_size): Now returns unsigned.
9091	* real.h (significand_size): Likewise.
9092	* regclass.c (reg_class_size): Now unsigned.
9093	(choose_hard_reg_mode): Both operands now unsigned.
9094	(record_reg_classes): REGNO and NR now unsigned.
9095	(reg_scan): NREGS now unsigned.
9096	(reg_scan_update): old_max_regno now unsigned.
9097	(reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
9098	* reload.c (find_valid_class): BEST_SIZE now unsigned.
9099	(find_dummy_reload): REGNO, NWORDS, and	I now unsigned.
9100	(hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
9101	Likewise for variable R.
9102	(refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
9103	as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
9104	(find_equiv_reg): Add casts.
9105	(regno_clobbered_p): Arg REGNO now unsigned.
9106	* reload.h (struct reload): NREGS now unsigned.
9107	(refers_to_regno_for_reload_p): Regno args are unsigned.
9108	(regno_clobbered_p): Likewise.
9109	* reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
9110	(compute_use_by_pseudos): REGNO now unsigned.
9111	(find_reg): I and J now unsigned, new variable K, and change loop
9112	variables accordingly; THIS_NREGS now unsigned.
9113	(alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
9114	(spill_hard_reg): REGNO arg now unsigned; add casts.
9115	(forget_old_reloads_1): REGNO, NR, and I now unsigned.
9116	(mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
9117	(clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
9118	END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
9119	(reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
9120	(choose_reload_regs): MAX_GROUP_SIZE now unsigned.
9121	(emit_reload_insns): REGNO now unsigned.
9122	(reload_cse_move2add): Add cast.
9123	(move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
9124	and rework loop.
9125	* resource.c (mark_referenced_resources, mark_set_resources): New
9126	variable R; REGNO and LAST_REGNO now unsigned.
9127	(mark_target_live_regs): J and REGNO now unsigned.
9128	* rtl.c (mode_size, mode_unit_size): Now unsigned.
9129	* rtl.h (union rtunion_def): New field rtuint.
9130	(XCUINT): New macro.
9131	(ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
9132	(operand_subword, operand_subword_force): Word number is unsigned.
9133	(choose_hard_reg_mode): Operands are unsigned.
9134	(refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
9135	(find_regno_note, find_regno_fusage, replace_regs): Likewise.
9136	(regno_use_in, combine_instructions, remove_death): Likewise.
9137	(reg_scan, reg_scan_update): Likewise.
9138	(extended_count): Return is unsigned.
9139	* rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
9140	INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
9141	(reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
9142	(reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
9143	(reg_reg_last_1): FIRS and LAST now unsigned.
9144	(dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
9145	(dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
9146	now unsigned.
9147	(find_regno_note, regno_use_in): Arg REGNO now unsigned.
9148	(find_regno_fusage): Likewise; also var REGNOTE now unsigned.
9149	(find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
9150	(replace_regs): Arg NREGS now unsigned.
9151	* sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
9152	* simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
9153	(simplify_binary_operation): Likewise.
9154	(cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
9155	THIS_LAST now unsigned.
9156	(cselib_record_set): Add cast.
9157	* ssa.c (ssa_max_reg_num): Now unsigned.
9158	(rename_block): REGNO now unsigned.
9159	* stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
9160	sizes now unsigned.
9161	(all_cases_count): Just return -1 not -2.
9162	COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
9163	Rework tests to use trees whenever possible.
9164	Use host_integerp and tree_low_cst.
9165	(mark_seen_cases): COUNT arg now HOST_WIDE_INT;
9166	Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
9167	(check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
9168	* stor-layout.c (mode_for_size): SIZE arg now unsigned.
9169	(smallest_mode_for_size): Likewise.
9170	(layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
9171	KNOWN_ALIGN is now an alignment, so simplify code.
9172	Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
9173	(start_record_layout): Renamed from new_record_layout_info.
9174	Update to new fields.
9175	(debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
9176	New functions.
9177	(place_union_field): Renamed from layout_union_field.
9178	Update to use new fields in rli.
9179	(place_field): Renamed from layout_field.
9180	Major rewrite to use new fields in rli; pass alignment to layout_decl.
9181	(finalize_record_size): Rework to use new fields in rli and handle
9182	union.
9183	(compute_record_mode): Rework to simplify and to use new DECL fields.
9184	(finalize_type_size): Make rounding more consistent.
9185	(finish_union_layout): Deleted.
9186	(layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
9187	(layout_type, case RECORD_TYPE): Call new function names.
9188	(initialize_sizetypes): Set TYPE_IS_SIZETYPE.
9189	(set_sizetype): Set TYPE_IS_SIZETYPE earlier.
9190	(get_best_mode): UNIT is now unsigned; remove casts.
9191	* tree.c (bit_position): Compute from new fields.
9192	(byte_position, int_byte_position): New functions.
9193	(print_type_hash_statistics): Cast to remove warning.
9194	(build_range_type): Use host_integerp and tree_low_cst to try to hash.
9195	(build_index_type): Likewise; make subtype of sizetype.
9196	(build_index_2_type): Pass sizetype to build_range_type.
9197	(build_common_tree_nodes): Use size_int and bitsize_int to
9198	initialize nodes; add bitsize_{zero,one,unit}_node.
9199	* tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
9200	(DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
9201	(DECL_PACKED, DECL_BIT_FIELD): Likewise.
9202	(DECL_FIELD_BITPOS): Deleted.
9203	(DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
9204	(DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
9205	(DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
9206	(DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
9207	(DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
9208	(DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
9209	(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
9210	(DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
9211	(DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
9212	(DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
9213	(DECL_ALIGN): Adjust to new field in union.
9214	(DECL_OFFSET_ALIGN): New field.
9215	(DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
9216	(DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
9217	(union tree_decl): Add struct for both aligns.
9218	(enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
9219	(bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
9220	(struct record_layout_info): Rework fields to have offset
9221	alignment and byte and bit position.
9222	(start_record_layout, place_field): Renamed from old names.
9223	(rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
9224	(byte_position, int_byte_position): Likewise.
9225	(get_inner_reference): Change types of position and length.
9226	* unroll.c (unroll_loop): New variable R; use for some loops.
9227	MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
9228	(calculate_giv_inc): Arg REGNO now unsigned.
9229	(copy_loop_body): REGNO and SRC_REGNO now unsigned.
9230	* varasm.c (assemble_variable): Clean up handling of size using
9231	host_integerp and tree_low_cst.
9232	(decode_addr_const): Use byte, not bit, position.
9233	(output_constructor): bitpos and offsets are HOST_WIDE_INT;
9234	use tree_low_cst and int_bit_position.
9235	* objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
9236
9237Fri Mar 24 20:13:49 2000  Jason Eckhardt  <jle@cygnus.com>
9238
9239	* bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
9240	(reorder_block_def): New members eff_head and eff_end.
9241	(REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
9242	(verify_insn_chain): New function.
9243	(skip_insns_between_block): Add code to skip deleted insns.
9244	Check for note before using.
9245	(chain_reorder_blocks): Replace calls to skip_insns_between_block
9246	with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
9247	Check for note before using.
9248	(make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
9249	(fixup_reorder_chain): Restructure, clean up, defect removal.
9250	(reorder_basic_blocks): Remove last_insn and references to it.
9251	Moved insn chain verification code into a new function (see above).
9252	Delete defective code that sets last insn.
9253	Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
9254	all blocks.
9255
92562000-03-25  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
9257
9258	* config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
9259
92602000-03-24  Richard Henderson  <rth@cygnus.com>
9261
9262	* tree.c (lang_safe_for_unsave): Remove.
9263	(unsafe_for_reeval): Transmute and rename from safe_for_unsave,
9264	allowing for two levels of unsafeness.  Remove lang hook.
9265	* tree.h: Update declarations.
9266	* calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
9267	Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
9268	Always fail sibcalls when there are pending cleanups.
9269
92702000-03-24  Geoff Keating  <geoffk@cygnus.com>
9271
9272	* flow.c (propagate_block): When we delete an ADDR_VEC,
9273	also delete the BARRIER following it if there is one.
9274
92752000-03-24  Richard Henderson  <rth@cygnus.com>
9276
9277	* builtins.c (expand_builtin_bzero): Convert `length' argument
9278	to sizetype.
9279
92802000-03-24  Jakub Jelinek  <jakub@redhat.com>
9281
9282	* sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
9283	comparison if regno's are equal.
9284	* calls.c (initialize_argument_informat): Add ecf_flags argument.
9285	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9286	(expand_call): Update caller.
9287	Avoid making a sibling call if argument size of the callee is larger
9288	than argument size of the caller.
9289	Call hard_function_value with outgoing set if in sibcall pass.
9290	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9291
9292	* final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
9293	Change LEAF_REGISTERS from an array initializer to actual array
9294	identifier. Move static global variable into the function.
9295	(leaf_function_p): Allow SIBLING_CALL_P calls even outside of
9296	sequences for leaf functions.
9297	* global.c (global_alloc): Likewise.
9298	* tm.texi (LEAF_REGISTERS): Update documentation.
9299
9300	* config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
9301	TARGET_FLAT leaf disabling hack.
9302	(LEAF_REGISTERS): Changed from an array initializer to actual array
9303	identifier to avoid duplication and remove the above hack.
9304	(FUNCTION_OK_FOR_SIBCALL): Define.
9305	* config/sparc/sparc.md (sibcall): New attr type. Use it almost
9306	always like call attribute.
9307	(eligible_for_sibcall_delay): New attribute.
9308	(sibcall): New delay type.
9309	(sibcall, sibcall_value, sibcall_epilogue): New expands.
9310	(sibcall_symbolic_sp32, sibcall_symbolic_sp64,
9311	sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
9312	* config/sparc/sparc.c (sparc_leaf_regs): New array.
9313	(eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
9314	New functions.
9315	(output_function_epilogue): Move part of the code into
9316	output_restore_regs.
9317	(ultra_code_from_mask, ultrasparc_sched_reorder): Handle
9318	TYPE_SIBCALL.
9319	* sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
9320	prototypes.
9321
9322	* config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
9323	until infrastructure is finished.
9324
9325Fri Mar 24 13:49:45 2000  Jeffrey A Law  (law@cygnus.com)
9326
9327	* integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
9328	(save_parm_insns): Not here.
9329
93302000-03-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9331
9332	* builtins.c (expand_builtin_bzero): New function.
9333	(expand_builtin): Handle bzero.
9334
9335	* builtins.def: Add BUILT_IN_BZERO.
9336
9337	* c-common.c (c_common_nodes_and_builtins): Provide builtin
9338	prototype & function for bzero.
9339
93402000-03-23  Michael Meissner  <meissner@redhat.com>
9341
9342	* config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
9343	change adding TARGET_FP to the TF floating point insns, except for
9344	trunctfsf2, which generates direct calls to truncdfsf2.
9345
93462000-03-23  Geoff Keating  <geoffk@cygnus.com>
9347
9348	* config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
9349	try to protect against middle-end changes that break binary
9350	compatibility.
9351	(DWARF_FRAME_REGISTERS): New definition, likewise for backend.
9352
93532000-03-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
9354
9355	* config/c4x/c4x.md (load_immed_address):  Add DP reg clobber.
9356
9357Thu Mar 23 17:10:48 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9358
9359	* calls.c (expand_call): If TARGET is passed by reference and
9360	is readonly, write a CLOBBER.
9361
93622000-03-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9363
9364	* builtins.c (expand_builtin): Handle bcmp.
9365
9366	* builtins.def: Add BUILT_IN_BCMP.
9367
9368	* c-common.c (c_common_nodes_and_builtins): Provide builtin
9369	prototype & function for bcmp.
9370
9371Thu Mar 23 11:34:39 2000  Jim Wilson  <wilson@cygnus.com>
9372
9373	* config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
9374	(rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
9375	* config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
9376
9377Thu Mar 23 16:04:40 2000  Andrew Haley  <aph@cygnus.com>
9378
9379	* config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
9380	alternative when using -fp64 -gp32.
9381
93822000-03-22  Jason Merrill  <jason@casey.cygnus.com>
9383
9384	* config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
9385	* config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
9386	* config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
9387
9388	* frame.h (frame_state): Revert last change.
9389	* frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
9390	* libgcc2.c (throw_helper): Revert last change.
9391
93922000-03-22  Richard Henderson  <rth@cygnus.com>
9393
9394	* stmt.c (expand_asm_operands): Don't promote the temporary.
9395
93962000-03-22  Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
9397
9398	* builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
9399	* c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
9400	  c_get_alias_set): Likewise.
9401	* c-decl.c (duplicate_decls): Likewise.
9402	* c-typeck.c (default_conversion,build_unary_op): Likewise.
9403	* calls.c (initialize_argument_information): Likewise.
9404	* dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9405	Likewise.
9406	* dwarfout.c (decl_class_context,output_type): Likewise.
9407	* expr.c (get_inner_reference): Likewise.
9408	* fold-const.c (simple_operand_p,fold): Likewise.
9409	* function.c (aggregate_value_p): Likewise.
9410	* stmt.c (expand_asm_operands): Likewise.
9411	* varasm.c (named_section): Likewise.
9412
94132000-03-22  Jason Merrill  <jason@casey.cygnus.com>
9414
9415	Implement dwarf2 exception handling for the ARM.
9416	* config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9417	(DWARF_FRAME_RETURN_COLUMN): Define.
9418	* config/arm/arm.c (emit_multi_reg_push): Return rtx.  Attach
9419	REG_FRAME_RELATED_EXPR note.
9420	(emit_sfm): Likewise.
9421	(arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9422	* dwarf2out.c (reg_save): Handle saving a register to itself.
9423	(dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9424	* except.c (eh_regs): Don't use the static chain reg if it's
9425	callee-saved.
9426	* frame.h (frame_state): Add cfa_saved field.
9427	* frame.c (execute_cfa_insn): Set it.
9428	* libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9429	the epilogue.
9430	* function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9431	Now takes a parm.
9432	(instantiate_virtual_regs): Adjust.
9433	* tm.texi: Adjust.
9434	* config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9435	* config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9436	* config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9437
9438	* dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9439	(initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9440
94412000-03-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9442
9443	* builtins.def: New file.
9444
9445	* Makefile.in (TREE_H): Depend on builtins.def.
9446
9447	* builtins.c (built_in_names): Use builtins.def.
9448
9449	* tree.h (built_in_function): Likewise.
9450
94512000-03-22  Mark Mitchell  <mark@codesourcery.com>
9452
9453	* tree.c (size_in_bytes): Return size_zero_node, not
9454	integer_zero_node.
9455
94562000-03-22  Geoff Keating  <geoffk@cygnus.com>
9457
9458	* config/fp-bit.c (pack_d): Correct the case when a denormal
9459	is rounded up and stops being denormal.
9460
94612000-03-21  Richard Henderson  <rth@cygnus.com>
9462
9463	* config/alpha/alpha.c (function_arg): Check for void_type_node
9464	before using MUST_PASS_IN_STACK.
9465
94662000-03-21  Stephane Carrez  <stcarrez@worldnet.fr>
9467
9468	* regmove.c (combine_stack_adjustments_for_block): Check that
9469	the stack pointer is a valid memory address.
9470
9471Wed Mar 22 11:44:50 MET 2000  Jan Hubicka  <jh@suse.cz>
9472
9473	* calls.c: re-install Mar 16 emit_library_call merge.
9474
94752000-03-21  Jakub Jelinek  <jakub@redhat.com>
9476
9477	* config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9478	we cannot be sure that if reload_completed base register will
9479	be properly aligned.
9480
94812000-03-21  Richard Henderson  <rth@cygnus.com>
9482
9483	* flow.c (delete_block): Fix typo last change.
9484
94852000-03-21  Mark Mitchell  <mark@codesourcery.com>
9486
9487	* c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9488	not COMPLETE_TYPE_P, to check the type of the expression.
9489
94902000-03-21  Michael Meissner  <meissner@redhat.com>
9491
9492	* config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9493	all floating point insns that just tested the macro
9494	TARGET_HAS_XFLOATING_LIBS.
9495	(movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9496	used to only use the gprs.
9497
94982000-03-21  Nathan Sidwell  <nathan@codesourcery.com>
9499
9500	* tree.h (COMPLETE_TYPE_P): New macro.
9501	(COMPLETE_OR_VOID_TYPE_P): New macro.
9502	(COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9503	* stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9504	* c-aux-info.c (gen_type): Use them.
9505	* c-common.c (c_expand_expr_stmt): Likewise.
9506	* c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9507	grokdeclarator, grokparms, finish_struct, start_function,
9508	store_parm_decls, combine_parm_decls): Likewise.
9509	* c-parse.y (cast_expr): Likewise.
9510	* c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9511	c_size_in_bytes, c_alignof, build_component_ref,
9512	build_indirect_ref, build_array_ref, convert_arguments,
9513	build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9514	* calls.c (initialize_argument_information): Likewise.
9515	* convert.c (convert_to_integer): Likewise.
9516	* dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9517	* dwarfout.c (location_or_const_value_attribute,
9518	output_enumeration_type_die, output_structure_type_die,
9519	output_union_type_die, output_type): Likewise.
9520	* expr.c (safe_from_p, expand_expr): Likewise.
9521	* function.c (assign_parms): Likewise.
9522	* sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9523	* tree.c (build_array_type, build_function_type,
9524	build_method_type, build_offset_type, build_complex_type): Likewise.
9525	* c-parse.c, c-parse.h: Regenerated.
9526
95272000-03-21  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
9528
9529	* config/c4x/rtems.h: Include config/rtems.h.
9530
9531Tue Mar 21 09:24:00 2000  Denis Chertykov  <denisc@overta.ru>
9532
9533	* config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9534	decl is a FUNCTION_DECL
9535
9536Mon Mar 20 19:53:53 2000  Jim Wilson  <wilson@cygnus.com>
9537
9538	* config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9539	function uses output registers.  Don't save RP for leaf functions.
9540	Do save RP even if no epilogue.
9541	* config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9542	(CALL_USED_REGISTERS): Unmark in registers.
9543	(REG_ALLOC_ORDER): Move out regs up, to near the top.  Move in regs up,
9544	to near the middle.
9545
95462000-03-20  Geoff Keating  <geoffk@cygnus.com>
9547
9548	* config/rs6000/rs6000.md (bunordered): New expander.
9549	(bordered): New expander.
9550	(buneq): New expander.
9551	(bunge): New expander.
9552	(bungt): New expander.
9553	(bunle): New expander.
9554	(bunlt): New expander.
9555	(bltgt): New expander.
9556
9557	* config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
9558	(ccr_bit_negated_p): New function.
9559	(print_operand): For %C, generate appropriate cror for UNEQ,
9560	UNLT, UNGT, and LTGT.  For %T and %t, use ccr_bit_negated_p.
9561
95622000-03-20  Andreas Jaeger  <aj@suse.de>
9563
9564	* sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
9565	warning.
9566
9567	* tree.h (safe_for_unsave): Prototype.
9568
95692000-03-20  Richard Henderson  <rth@cygnus.com>
9570
9571	* regmove.c (stack_memref_p): Fix typo, reorg for readability.
9572	(combine_stack_adjustments_for_block): Don't allow sp references
9573	in the side of a set we're not fixing up.
9574	* toplev.c (rest_of_compilation): Run combine_stack_adjustments
9575	after life_analysis.
9576
95772000-03-20  Richard Henderson  <rth@cygnus.com>
9578
9579	* calls.c (expand_call): Don't bother generating tail call
9580	sequences if there are pending cleanups.  Use
9581	expand_start_target_temps/expand_end_target_temps to elide
9582	cleanups created during sibcall expansion.
9583
95842000-03-20  Geoff Keating  <geoffk@cygnus.com>
9585
9586	* configure.in: Set $IFS to a value if it doesn't already have one
9587	in the --enable-checking handling.
9588	* configure: Regenerate.
9589
95902000-03-20  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
9591
9592	* c-parse.in (SAVE_WARN_FLAGS): Use size_int.
9593	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9594	Regenerated.
9595
9596Mon Mar 20 11:43:15 MET 2000  Jan Hubicka  <jh@suse.cz>
9597
9598	* jump.c (delete_noop_moves): Remove code attempting to
9599	combine stack adjustments.
9600
96012000-03-19  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
9602
9603	* emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
9604	* except.c (emit_cleanup_handler): Use them.
9605	(expand_end_all_catch): Likewise.
9606	* function.c (fixup_var_refs): Likewise.
9607	(expand_function_end): Clear catch_clauses_last.
9608	* rtl.h (push_to_full_sequence, end_full_sequence): Declare.
9609	* except.h (struct eh_status): New field x_catch_clauses_last.
9610	(catch_clauses_last): New define.
9611
9612	* Makefile.in (tree.o): Depend on HASHTAB_H.
9613	* tree.c: Include hashtab.h.
9614	(struct type_hash): Remove next field.
9615	(TYPE_HASH_SIZE): Remove.
9616	(TYPE_HASH_INITIAL_SIZE): New define.
9617	(type_hash_table): Change type to htab_t.
9618	(type_hash_eq, type_hash_hash, print_type_hash_statistics,
9619	mark_hash_entry): New functions.
9620	(init_obstacks): Allocate type hash.
9621	(type_hash_lookup): Use htab functions.
9622	(type_hash_add, mark_type_hash): Likewise.
9623	(dump_tree_statistics): Call print_type_hash_statistics.
9624
96252000-03-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9626
9627	* rs6000/t-aix41: New file.
9628
9629	* configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
9630
9631Sun Mar 19 13:27:30 2000  Hans-Peter Nilsson  <hp@axis.com>
9632
9633	* tm.texi (Driver): Fix typos and tweak entry for
9634	INCLUDE_DEFAULTS.
9635	Move misplaced STRUCT_FORCE_BLK entry ...
9636	(Storage Layout): ... to here.
9637	(Run-time Target): Recommend having TARGET_MASK_... helper macros.
9638
96392000-03-19  Richard Henderson  <rth@cygnus.com>
9640
9641	* flow.c (delete_block): Delete the addr_vec along with the block.
9642	(flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
9643	reference labels.
9644
9645	* fold-const.c (extract_muldiv): Apply type check for defined
9646	overflow to multiply as well as divide.
9647
9648	* stor-layout.c (layout_decl): Don't abort on any zero sized decl.
9649
96502000-03-18  Mark Mitchell  <mark@codesourcery.com>
9651
9652	* emit-rtl.c (remove_unnecessary_notes): Check that all
9653	NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
9654	associated NOTE_BLOCK.
9655	* function.h (identify_blocks): Update comments.
9656	(reorder_blocks): Declare.
9657	* function.c (identify_blocks): Don't take paramters.
9658	(reorder_blocks): Don't take parameters.
9659	* loop.h (find_loop_tree_blocks): Remove.
9660	(unroll_block_trees): Likewise.
9661	* loop.c (loop_optimize): Don't call find_loop_tree_blocks.  Use
9662	reorder_blocks instead of unroll_block_trees.h
9663	* sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
9664	* stmt.c (find_loop_tree_blocks): Remove.
9665	(unroll_block_trees): Likewise.
9666	* toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
9667	in whole-function mode.
9668	* tree.h (reorder_blocks): Remove declaration.
9669
9670	* expr.c: Include intl.h.
9671	* Makefile.in (expr.o): Depend on intl.h.
9672
96732000-03-18  Richard Henderson  <rth@cygnus.com>
9674
9675	* expr.c (emit_move_insn_1): Clarify cannot_inline message.
9676
96772000-03-18  Mark Mitchell  <mark@codesourcery.com>
9678
9679	* tree.h (tree_index): Remove enumerals for integer types.
9680	(integer_type_kind): New type.
9681	(integer_types): New variable.
9682	(char_type_node): Adjust.
9683	(signed_char_type_node): Likewise.
9684	(unsigned_char_type_node): Likewise.
9685	(short_integer_type_node): Likewise.
9686	(short_unsigned_type_node): Likewise.
9687	(integer_type_node): Likewise.
9688	(unsigned_type_node): Likewise.
9689	(long_integer_type_node): Likewise.
9690	(long_unsigned_type_node): Likewise.
9691	(long_long_integer_type_node): Likewise.
9692	(long_long_unsigned_type_node): Likewise.
9693	* tree.c (integer_types): New variable.
9694	(init_obstacks): Register it as a root.
9695
9696Sat Mar 18 14:38:00 2000  Jason Eckhardt  <jle@cygnus.com>
9697
9698	* bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
9699	NEXT_INSN. Update last insn in chain.
9700
97012000-03-17  Jason Merrill  <jason@casey.cygnus.com>
9702
9703	* dwarf2out.c (dwarf2out_decl): Don't emit anything for types
9704	with TYPE_DECL_SUPPRESS_DEBUG set.
9705
97062000-03-18  Richard Henderson  <rth@cygnus.com>
9707
9708	* flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
9709
97102000-03-18  Richard Henderson  <rth@cygnus.com>
9711
9712	* i386.c (call_insn_operand): Always allow SYMBOL_REF,
9713	care for HALF_PIC_P.
9714	(expander_call_insn_operand): Remove.
9715	(ix86_expand_epilogue): New arg `emit_return' to control return insn.
9716	* i386.h (PREDICATE_CODES): Update.
9717	* i386.md (all call expanders): Remove predicates, remove special
9718	handling for half-pic.
9719	(*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
9720	(*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
9721	(sibcall_epilogue): New.
9722
97232000-03-17  Richard Henderson  <rth@cygnus.com>
9724
9725	* rtlanal.c (single_set): Reject if the parallel has anything
9726	except SET or USE or CLOBBER.
9727
97282000-03-17  Jeff Law  <law@cygnus.com>
9729	    Richard Henderson  <rth@cygnus.com>
9730
9731	* Makefile.in (OBJS): Add sibcall.o.
9732	(sibcall.o): New.
9733	* sibcall.c: New file.
9734	* calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
9735	(ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
9736	(emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
9737	Emit sibcall patterns when requested.  Update all callers.
9738	(expand_call): Generate CALL_PLACEHOLDER insns when tail call
9739	elimination seems feasable.
9740	* final.c (leaf_function_p): Sibling calls don't discount being
9741	a leaf function.
9742	* flow.c (HAVE_sibcall_epilogue): Provide default.
9743	(find_basic_blocks_1): Sibling calls don't throw.
9744	(make_edges): Make edge from sibling call to EXIT.
9745	(propagate_block): Don't remove sibcall_epilogue insns.
9746	* function.c (prologue, epilogue): Turn into varrays.  Update all uses.
9747	(sibcall_epilogue): New.
9748	(fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
9749	(identify_blocks_1): Likewise.  Break out from ...
9750	(identify_blocks): ... here.
9751	(reorder_blocks_1): Scan CALL_PLACEHOLDER.  Break out from ...
9752	(reorder_blocks): ... here.
9753	(init_function_for_compilation): Zap prologue/epilogue as varrays.
9754	(record_insns): Extend a varray instead of mallocing new memory.
9755	(contains): Read a varray not array of ints.
9756	(sibcall_epilogue_contains): New.
9757	(thread_prologue_and_epilogue_insns): Emit and record
9758	sibcall_epilogue patterns.
9759	(init_function_once): Allocate prologue/epilogue varrays.
9760	* genflags.c (gen_insn): Treat sibcall patterns as calls.
9761	* integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
9762	Broken out from ...
9763	(save_for_inline_nocopy): ... here.
9764	(copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
9765	Broken out from ...
9766	(expand_inline_function): ... here.
9767	(copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
9768	(subst_constants): Handle 'n' formats.
9769	* jump.c (jump_optimize_minimal): New.
9770	(jump_optimize_1): New arg `minimal'; update callers.  Elide most
9771	optimizations if it's set.
9772	* rtl.c (copy_rtx): Do copy jump & call for insns.
9773	* rtl.h (struct rtx_def): Document use of jump and call for insns.
9774	(SIBLING_CALL_P): New.
9775	(sibcall_use_t): New.
9776	* toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
9777	Invoke optimize_sibling_and_tail_recursive_calls.
9778	* tree.c (lang_safe_for_unsave): New.
9779	(safe_for_unsave): New.
9780	* tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
9781
9782	* alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
9783	* alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
9784	(*sibcall_osf_1, *sibcall_value_osf_1): New.
9785
97862000-03-17  Mark Mitchell  <mark@codesourcery.com>
9787
9788	* objc/objc-act.c (encode_method_prototype): Pass types, not
9789	PARM_DECLs, to int_size_in_bytes.
9790
9791Fri Mar 17 11:51:34 2000  Jim Wilson  <wilson@cygnus.com>
9792
9793	* config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
9794
9795	* config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9796	config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
9797
9798Fri Mar 17 08:09:14 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9799
9800	* Clean up usages of TREE_INT_CST_LOW.
9801	* c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
9802	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9803	Regenerated.
9804	* c-tree.h (min_precision): Move declaration to here.
9805	* c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
9806	(build_unary_op, add_pending_init): Use bit_position.
9807	(pending_init_member, process_init_element): Likewise.
9808	(really_start_incremental_init, push_init_level, pop_init_level):
9809	Don't make copies of nodes or modify them in place, use consistent
9810	types when tracking positions, and use tree routines computations.
9811	(set_init_index, output_init_element): Likewise.
9812	(output_pending_init_elements, process_init_element): Likewise.
9813	* dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
9814	tree_low_cst and int_bit_position; also minor cleanup.
9815	(dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
9816	(print_cst_octal): Precision is unsigned.
9817	(dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
9818	* dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
9819	(simple_type_align_in_bits): Result is unsigned int.
9820	Use tree_int_low_cst and host_integerp.
9821	(simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
9822	(field_byte_offset): Result is HOST_WIDE_INT.
9823	Change types of internal variables so alignments are unsigned int,
9824	offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
9825	Use host_integerp, tree_low_cst, and int_bit_position.
9826	(add_bit_offset_attribute): Likewise.
9827	(add_data_member_location_attribute): Use tree_cst_low.
9828	(add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
9829	(add_bit_size_attribute): Use tree_low_cst.
9830	(add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
9831	* dwarfout.c: Similar changes to dwarf2out.c.
9832	* expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
9833	* genoutput.c (n_occurrences): Return -1 for null string.
9834	(strip_whitespace): Accept null string and make into function.
9835	(scan_operands): Reflect above changes.
9836	* sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
9837	(sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
9838	* ssa.c (rename_registers): Add missing cast of arg to bzero.
9839	* tree.c (int_size_in_bytes): Check for too big to represent.
9840	(bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
9841	* tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
9842	New declarations.
9843	(min_precision): Delete from here.
9844	* varasm.c (decode_addr_const): Use host_integerp, bit_position,
9845	and int_bit_position.
9846	* objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
9847	(encode_method_def): Likewise.
9848	(build_ivar_list_initializer): Use int_bit_position.
9849	(generate_shared_structures): Convert size.
9850	(encode_type, encode_complete_bitfield): Use integer_zerop.
9851	(encode_bitfield): Use tree_low_cst and int_bit_position.
9852
98532000-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
9854
9855	* config/c4x/c4x.h (CPP_SPEC): Fix typo.
9856
98572000-03-17  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
9858
9859	* call.c (special_function_p): It is only malloc if it returns
9860	Pmode.
9861
98622000-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
9863
9864	* config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
9865	(C33_FLAG, TARGET_C3X): Add macros.
9866	(TARGET_SWITCHES): Add -m33 option.
9867	* config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
9868
98692000-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
9870
9871	* config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
9872	(PARALLEL_PACK_FLAG): Delete.
9873	(TARGET_SWITCHES): Update.
9874	(TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
9875
9876Thu Mar 16 18:52:32 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9877
9878	* fold-const.c (fold): Fix a few cases when the returned result
9879	is not of the same type as the input.
9880
98812000-03-16  Nick Clifton  <nickc@cygnus.com>
9882
9883	* config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
9884	warning.
9885
98862000-03-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9887
9888	* libgcc2.h: Move prototypes above macros with the same name.
9889	Wrap some function prototypes in the conditional which indicates
9890	whether they are supported, i.e. "BITS_PER_UNIT == 8".
9891
98922000-03-16  Richard Henderson  <rth@cygnus.com>
9893
9894	* calls.c: Revert last two changes.
9895
98962000-03-16  Bernd Schmidt  <bernds@cygnus.co.uk>
9897
9898	* fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
9899	has exponent 0 is a zero.
9900
9901	* simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
9902	HASH may already be nonzero.  Add code/mode into hash value
9903	immediately after repeat label.
9904	(cselib_lookup): Don't leave the hash table in an inconsistent
9905	state before a hash lookup operation.
9906
9907Thu Mar 16 17:03:10 MET 2000  Jan Hubicka  <jh@suse.cz>
9908
9909	* i386.md (all HI and QI mode non-move patterns):  Conditionize
9910	by TARGET_[HQ]IMODE_MATH.
9911	* i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9912	x86_promote_qi_regs): Declare.
9913	(TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
9914	TARGET_PROMOTE_QI_REGS): New macros.
9915	(PROMOTE_MODE): New macro.
9916	* i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9917	x86_promote_qi_regs): New global variables.
9918
9919Thu Mar 16 16:50:44 MET 2000  Jan Hubicka  <jh@suse.cz>
9920
9921	* calls.c (emit_library_call_value_1): Break out from ...; handle
9922	VOIDmode function calls too.
9923	(emit_library_call_value): ... here.
9924	(emit_library_call): Implement by calling emit_library_call_value_1.
9925
9926Thu Mar 16 16:01:30 MET 2000  Jan Hubicka  <jh@suse.cz>
9927
9928	* calls.c (expand_call): Do sanity checking on arg_space_so_far.
9929	Update arg_space_so_far on stack adjustments.
9930	(emit_library_call, emit_library_call_value): Likewise; take into
9931	account arg_space_so_far and pending_stack_adjust when calculcating
9932	the boundary.
9933
9934Thu Mar 16 09:02:19 2000  Jason Eckhardt  <jle@cygnus.com>
9935
9936	* flow.c: Move all basic block reordering code into its own file.
9937	(create_basic_block): Externalize.
9938	* bb-reorder.c: New file. Copy all basic block reordering code from
9939	flow.c to this file.
9940	(reorder_basic_blocks): Fix fencepost error in for-loop.
9941	(reorder_basic_blocks): Remove braces from single statement for-loops.
9942	* basic-block.h: Add declaration for create_basic_block.
9943	* Makefile.in: Add rules for bb-reorder.o.
9944
99452000-03-16  Neil Booth  <NeilB@earthling.net>
9946
9947	* cppinit.c (handle_option):  Implement #unassert directive
9948	as -A- command line option.
9949	(print_help):  Update.
9950	* cpptexi.c:  Update.
9951
9952Thu Mar 16 02:14:16 2000  Hans-Peter Nilsson  <hp@bitrange.com>
9953
9954	* md.texi (Standard Names): Document `jump'.
9955
99562000-03-15  Jason Merrill  <jason@casey.cygnus.com>
9957
9958	* calls.c (emit_call_1): Nothrow functions can still have nonlocal
9959	gotos.
9960
99612000-03-15  Geoff Keating  <geoffk@cygnus.com>
9962
9963	Merge changes from newppc-branch onto trunk.
9964
9965	2000-03-15  Geoff Keating  <geoffk@cygnus.com>
9966
9967	* rs6000.c (toc_hash_table): Update for new hash table functions.
9968	(toc_hash_function): Likewise.
9969	(toc_hash_eq): Likewise.
9970	(toc_hash_mark_entry): Likewise.
9971	(toc_hash_mark_table): Likewise.
9972	(output_toc): Likewise.
9973	(rs6000_add_gc_roots): Likewise.
9974
9975	2000-03-15  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
9976
9977	* t-aix43 (AR_FOR_TARGET): Deleted.  Moved `-X32_64'...
9978	(AR_FLAGS_FOR_TARGET): here.  New macro.
9979
9980	2000-03-05  Clinton Popetz  <cpopetz@cygnus.com>
9981
9982	* config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
9983	fpmem_operand) Delete.
9984	(xer_operand) New.
9985	(rs6000_reg_names, alt_reg_names): Change fpmem to xer.
9986	(machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
9987	(rs6000_save_machine_status, rs6000_restore_machine_status,
9988	rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
9989	references to above variables.
9990	(gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
9991	* config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
9992	DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
9993	(FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
9994	(XER_REGNO_P, XER_REGNO): New.
9995	(rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
9996	(PREDICATE_CODES): Change fpmem_operand to xer_operand.
9997	(HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
9998	XER_REGNO_P.
9999	(reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10000	REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS,		and remove FLOAT_OR_FPMEM_REGS.
10001	(CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
10002
10003	2000-02-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10004
10005	* aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
10006	TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
10007	* rs6000.h: from here.
10008
10009	* rs6000-protos.h (rs6000_select_section): Provide prototype.
10010	(rs6000_select_rtx_section): Likewise.
10011	(rs6000_encode_section_info): Likewise.
10012	(sdata_section): Likewise.
10013	(sdata2_section): Likewise.
10014	(sbss_section): Likewise.
10015	* sysv4.h (rs6000_select_section): Delete prototype.
10016	(rs6000_select_rtx_section): Likewise.
10017	(rs6000_encode_section_info): Likewise.
10018	(sdata_section): Likewise.
10019	(sdata2_section): Likewise.
10020	(sbss_section): Likewise.
10021	(REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
10022
10023	* sysv4.h: Delete various unnecessary #undef's and put a comment
10024	on the remaining ones.
10025	Change various comments according to coding standard.
10026
10027	2000-02-29  Clinton Popetz  <cpopetz@cygnus.com>
10028
10029	* config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
10030	CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
10031	(CR0_REGNO_P) Remove.
10032	* config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
10033	setup_incoming_varargs, mtcrf_operation, print_operand,
10034	rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
10035	Use the above macros.
10036
10037	2000-02-24  Clinton Popetz  <cpopetz@cygnus.com>
10038
10039	* config/rs6000/rs6000.md: Added a new alternative for each
10040	pattern that had a 'x' alternative but no 'y' alternative.
10041	Added a new split for each of the above patterns.
10042
10043	2000-02-18  Geoff Keating  <geoffk@cygnus.com>
10044
10045	* aix41.h (ASM_CPU_SPEC): Delete.
10046	(CPP_CPU_SPEC): Delete.
10047
10048	* aix.h (RS6000_OUTPUT_BASENAME): Define.
10049	(ASM_OUTPUT_LABEL): Define.
10050	(ASM_GLOBALIZE_LABEL): Define.
10051	(STRIP_NAME_ENCODING): Define.
10052	* rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
10053	(STRIP_NAME_ENCODING): Don't define.
10054	(ASM_OUTPUT_LABEL): Don't define.
10055	(ASM_GLOBALIZE_LABEL): Don't define.
10056	* sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
10057	names, and ASM_OUTPUT_LABEL to output labels, rather than
10058	asm_fprintf.
10059	(ASM_OUTPUT_LABEL): Define.
10060	(ASM_OUTPUT_INT): Use assemble_name.
10061	(ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
10062	(STRIP_NAME_ENCODING): Don't undefine first.
10063	(RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
10064	ELF.
10065	(ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
10066	specified with 'asm' even with -fleading-underscore.
10067	* rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
10068	(output_epilog): Likewise.
10069	(output_toc): Likewise.
10070	* tramp.asm: Handle -fleading-underscore correctly.
10071
10072	* rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
10073	-mminimal-toc.
10074	(nonlocal_goto_receiver): Delete.
10075	* rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
10076
10077	* rs6000.h (ASM_OUTPUT_DEF): Don't define.
10078	(SET_ASM_OP): Define.
10079	* sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
10080
10081	* rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
10082	(ASM_LONG): Define.
10083
10084	* rs6000.c (rs6000_dll_import_ref): Delete, not used.
10085	* rs6000-protos.h (rs6000_dll_import_ref): Delete.
10086
10087	* rs6000.h: Add 'u' to more constants.
10088
10089	2000-02-18  David Edelsohn  <edelsohn@gnu.org>
10090
10091	* rs6000.md (mfcr+shift): Delete PowerPC64 version.
10092
10093	2000-02-15  David Edelsohn  <edelsohn@gnu.org>
10094
10095	* rs6000.c (reg_or_u_cint_operand): New function.
10096	(logical_operand): Handle 64-bit hosts.
10097	(logical_u_operand): New function.
10098	(non_logical_cint_operand): Handle 64-bit hosts.
10099	(non_logical_u_cint_operand): New function.
10100	* rs6000.h (DATA_SECTION_ASM_OP): Add tab.
10101	(PREDICATE_CODES): Define new functions.
10102	* rs6000-protos.h: Declare new functions.
10103	* rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
10104	(movdi_64): Bracket code intended for 64-bit hosts.  Create
10105	CONST_DOUBLE for 32-bit values.
10106	(scc insns): Generate DImode compares.
10107	(mfcr insns): Create DImode versions.
10108	(sge matchers): New patterns.
10109
10110	2000-02-15  Gabriel Paubert  <paubert@iram.es>
10111
10112	* rs6000.md: Correct instructions length attributes and
10113	constraints on unsigned compare instructions.
10114	(*ne0): Disable for PowerPC64.
10115
10116	2000-02-11  Geoff Keating  <geoffk@cygnus.com>
10117
10118	* rs6000.c (output_function_profiler): Use .long for a 32-bit
10119	quantity, fix profile1.C test failure under -fPIC.
10120
10121	* rs6000.c: Add 'u' to many constants to suppress warnings.
10122	(constant_pool_expr_1): Make static.
10123	(rs6000_emit_eh_toc_restore): Remove unused 'r2'.
10124	* rs6000.h: Add 'u' to many constants to suppress warnings.
10125
10126	* rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
10127	for the start of the TOC, instead of LCTOC..0.
10128	* aix.h (toc_section): Use LCTOC..1 under AIX for the start
10129	of the TOC.
10130	* rs6000.md (load_toc_aix_si): Use LCTOC..1.
10131	(load_toc_aix_di): Use LCTOC..1.
10132
10133	* rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
10134	* rs6000.c (rs6000_legitimize_address): New function from
10135	LEGITIMIZE_ADDRESS.  Only use create_TOC_reference on
10136	symbols in the constant pool that really are TOC references.
10137	(print_operand_address): For ELF, write TOC offsets under
10138	-fPIC as subtractions in the insn.
10139	(output_toc): For ELF, define symbols in TOC as normal labels,
10140	to match RTL.
10141	(create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
10142	* rs6000-protos.h (rs6000_legitimize_address): Prototype.
10143	(create_TOC_reference): Prototype only when RTX_CODE is defined.
10144	* rs6000.md (movsi): Only use create_TOC_reference on
10145	symbols in the constant pool that really are TOC references.
10146
10147	* rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
10148	* rs6000.c (rs6000_reorg): Delete.
10149	* rs6000-protos.h (rs6000_reorg): Delete.
10150
10151	2000-02-09  Geoff Keating  <geoffk@cygnus.com>
10152
10153	* rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
10154
10155	* aix.h (SETUP_FRAME_ADDRESSES): Define.
10156	* rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
10157	[TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
10158	[TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
10159	* rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
10160	rs6000_aix_emit_builtin_unwind_init.
10161	* rs6000.md (eh_epilogue) [TARGET_AIX]: Call
10162	rs6000_emit_eh_toc_restore on AIX.
10163	(return_eh_si): Use r2.
10164	(return_eh_di): Use r2.
10165
10166	* aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
10167	since we're breaking binary compatibility anyway.
10168
10169	2000-02-09  Clinton Popetz  <cpopetz@cygnus.com>
10170
10171	* config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
10172	constant_pool_expr_p): Declare them.
10173	(constant_pool_expr_p): Declare it.
10174	* config/rs6000/rs6000.c (toc_label_name): Define.
10175	(rs6000_override_options): Set toc_label_name.
10176	(input_operand): Allow any TOC_RELATIVE_EXPR_P.
10177	(get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
10178	uses_TOC): New functions.
10179	(print_operand): Delete old '*' case.
10180	(print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
10181	and strip off rtl for TOC before calling output_addr_const.
10182	(rs6000_emit_load_toc_table): Use toc_label_name.
10183	* config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
10184	the default.
10185	(LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
10186	(CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
10187	(LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
10188	(LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
10189	into explicit TOC_REGISTER offsets.
10190	(TOC_REGISTER): New macro.
10191	* config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
10192	TARGET_TOC to reference TOC_REGISTER.
10193	(load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
10194	* config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
10195	uses_TOC before emitting label references.
10196
10197	2000-02-05  Geoff Keating  <geoffk@cygnus.com>
10198
10199	* rs6000.md (stack_tie): Fix warning.
10200
10201	* eabi-ctors.c: Use 'asm' names for the start/end variables,
10202	to handle -fleading-underscore.
10203	* sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
10204	(USER_LABEL_PREFIX): New macro.
10205	(ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
10206	(ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
10207	* t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
10208	call-linux can use the same multilibs.
10209	* t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
10210	and call-linux multilibs.  Do multilib with -fleading-underscore.
10211	(MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
10212	(MULTILIB_EXCEPTIONS): Remove call-linux exceptions.  Add restrictions
10213	to call-aix.
10214
10215	* sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
10216	have MASK_SOFT_FLOAT set.
10217	(CPP_FLOAT_DEFAULT_SPEC): New macro.
10218	(SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
10219	CPP_FLOAT_DEFAULT_SPEC.
10220
10221	* rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
10222	* rs6000.md: Whitespace change.
10223	* sysv4.h (LINK_TARGET_SPEC): Whitespace change.
10224	* sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
10225
10226	2000-02-05  Geoff Keating  <geoffk@cygnus.com>
10227
10228	* rs6000.md (eh_epilogue): New expander.
10229	(eh_reg_restore): New expand/split/insn combination.
10230	(return_eh_si): New insn.
10231	(return_eh_di): New insn.
10232
10233	* eabi-ci.asm: Put a label at the start of the .eh_frame section.
10234	* eabi-cn.asm: Put a zero at the end of the .eh_frame section.
10235	* eabi-ctors.c (__do_global_ctors): Register this object's
10236	frame.  Clean up.  Call atexit() after the constructors.
10237	(__do_global_dtors): Deregister this object's frame.  Clean up.
10238	Allow for recursive calls to exit().
10239	* rs6000.c (fixuplabelno): New variable.
10240	* sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
10241	TARGET_RELOCATABLE, it slows down exec() under linux.
10242	(ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
10243
10244	* aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
10245	(ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
10246	(ASM_OUTPUT_DWARF_DELTA2): New macro.
10247	(ASM_OUTPUT_DWARF_DELTA4): New macro.
10248	(ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
10249	(ASM_OUTPUT_DWARF_ADDR): New macro.
10250	(ASM_OUTPUT_DWARF_DATA4): New macro.
10251	(ASM_OUTPUT_DWARF_DATA2): New macro.
10252	(ASM_OUTPUT_DWARF_OFFSET4): New macro.
10253	(ASM_OUTPUT_DWARF_OFFSET): New macro.
10254	(UNALIGNED_INT_ASM_OP): New macro, fake definition.
10255
10256	2000-02-03  Geoff Keating  <geoffk@cygnus.com>
10257
10258	* rs6000.c (rs6000_sr_alias_set): New variable.
10259	(rs6000_override_options): Initialize rs6000_sr_alias_set.
10260	(rs6000_emit_stack_tie): New function.
10261	(rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
10262	in a way that dwarf2out can understand.
10263	(rs6000_frame_related): New function.
10264	(rs6000_emit_prologue): Use rs6000_sr_alias_set.  Specify
10265	RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
10266	Use rs6000_emit_stack_tie when needed.
10267	(rs6000_emit_epilogue): Use rs6000_sr_alias_set.  Don't set
10268	RTX_FRAME_RELATED_P.  Use rs6000_emit_stack_tie when needed.
10269	* rs6000.md (stack_tie): New insn.
10270	(return_internal_si): Allow return value to be in the count
10271	register.
10272	(return_internal_di): Likewise.
10273
10274	* rs6000.c (output_mi_thunk): Remove unused variable `sp'.
10275
10276	2000-02-03  Geoff Keating  <geoffk@cygnus.com>
10277
10278	* sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
10279
10280	2000-01-31  Geoff Keating  <geoffk@cygnus.com>
10281
10282	* rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
10283
10284	* rs6000.md (stmw): Use the right POWER opcode.
10285	(lmw): Likewise.
10286
10287	2000-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10288
10289	* rs6000-protos.h: New file.
10290
10291	* rs6000.c: Include tm_p.h.  Fix compile time warnings.
10292
10293	* rs6000.h: Move prototypes to rs6000-protos.h.  Fix compile time
10294	warnings.
10295
10296	* sysv4.h: Likewise.
10297
10298	2000-01-28  Geoff Keating  <geoffk@cygnus.com>
10299
10300	* ../../configure.in: Delete powerpcle-*-winnt*
10301	and powerpcle-*-pe|powerpcle-*-cygwin*.
10302	* ../../configure: Regenerated.
10303	* cygwin.h: Delete.
10304	* rs6000.h (OBJECT_WINDOWS_NT): Delete.
10305	(TARGET_WINDOWS_NT): Delete.
10306	(ABI_NT): Delete.
10307	(CALL_NT_DLLIMPORT): Delete.
10308	Delete NT-specific code.
10309	* rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
10310	* win-nt.h: Delete.
10311	* t-winnt: Delete.
10312	* nt-ci.asm: Delete.
10313	* nt-cn.asm: Delete.
10314	* ntstack.asm: Delete.
10315
10316	2000-01-27  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
10317
10318	* rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
10319	(ASM_FILE_START): Likewise.
10320	(ASM_DECLARE_FUNCTION_NAME): Likewise.
10321	(ASM_OUTPUT_LABELREF): Likewise.
10322	(ASM_OUTPUT_SKIP): Likewise.
10323	(ASM_OUTPUT_INTERNAL_LABEL): Likewise.
10324	(ASM_GENERATE_INTERNAL_LABEL): Likewise.
10325	(ASM_OUTPUT_CASE_LABEL): Likewise.
10326	(ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10327	(ASM_OUTPUT_ASCII): Likewise.
10328
10329	2000-01-27  Clinton Popetz  <cpopetz@cygnus.com>
10330
10331	* rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
10332	reload_toc_labelno for non-prologue TOC reloads.  Also, don't
10333	increment rs6000_pic_labelno here.
10334	(rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
10335	and increment rs6000_pic_labelno here.
10336
10337	2000-01-24  Geoffrey Keating  <geoffk@cygnus.com>
10338
10339	* rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
10340	rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
10341	allocation knows (reg) is dead before the insn.
10342
10343	2000-01-21  Geoff Keating  <geoffk@cygnus.com>
10344
10345	* rs6000.md (movsi_to_cr): Correct typo in output template.
10346
10347	2000-01-19  Geoffrey Keating  <geoffk@cygnus.com>
10348
10349	* rs6000.c (rs6000_pic_labelno): Always define.
10350	(rs6000_pic_func_labelno): Delete.
10351	(lmw_operation): Check for a zero base register,
10352	which doesn't mean what we want.
10353	(stmw_operation): New function.
10354	(print_operand): Define new 'l' modifier.
10355	(rs6000_stack_info): We must save all 64 bits of the registers
10356	if TARGET_POWERPC64.
10357	(rs6000_output_load_toc_table): Delete.
10358	(rs6000_emit_load_toc_table): New function.
10359	(rs6000_allocate_stack_space): Delete.
10360	(rs6000_emit_allocate_stack): New function.
10361	(rs6000_emit_prologue): New function.
10362	(output_prolog): Use rs6000_emit_prologue.
10363	(rs6000_emit_epilogue): Change a few variable names to be
10364	more accurate.  Restore all 64 bits of the registers if
10365	TARGET_POWERPC64.  Only restore the FP registers which were used
10366	if they are being saved/restored one-at-a-time.
10367	(output_mi_thunk): Delete inefficient code generation.
10368	(output_function_profiler): Don't use rs6000_output_load_toc_table.
10369	* rs6000.h: Declare rs6000_emit_load_toc_table,
10370	rs6000_allocate_stack_space, stmw_operation.  Don't declare
10371	rs6000_output_load_toc_table.
10372	* rs6000.md (elf_high): Allow register 0, but discourage it
10373	heavily.
10374	(elf_low): Support loading into register 0.
10375	(load_toc_aix_si): New pattern.
10376	(load_toc_aix_di): New pattern.
10377	(load_toc_v4_pic_si): New pattern.
10378	(load_toc_v4_pic_di): New pattern.
10379	(load_toc_v4_PIC_1): New pattern.
10380	(load_toc_v4_PIC_1b): New pattern.
10381	(load_toc_v4_PIC_2): New pattern.
10382	(builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
10383	(nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
10384	(prologue): New expander.
10385	(movesi_from_cr): New pattern.
10386	(stmw): New pattern.
10387	(save_fpregs_si): New pattern.
10388	(save_fpregs_di): New pattern.
10389
10390	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
10391
10392	* rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
10393	(movdi): Likewise.
10394	(movhi): Likewise.
10395	(movqi): Likewise.
10396
10397	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
10398
10399	* rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
10400	at present.
10401	(movsi_got_internal): Likewise.
10402	(movsi_got_internal+1): Likewise.
10403	(set_sp): 'unspec 7' does a SImode clobber.
10404
10405	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
10406
10407	* rs6000.md (floatsidf2): Don't use the fpmem "register", just
10408	allocate a stack temporary.
10409	(floatsidf2_internal): Likewise.
10410	(floatsidf2_internal+1): Likewise.  Don't do bizzare hacks
10411	with unspec.
10412	(floatunssidf2): Don't use the fpmem "register", just
10413	allocate a stack temporary.
10414	(floatunssidf2_internal): Likewise.
10415	(floatunssidf2_internal+1): Likewise.  Don't do bizzare hacks
10416	with unspec.
10417	(floatsidf2_loadaddr): Delete.
10418	(floatsidf2_store1): Delete.
10419	(floatsidf2_store2): Delete.
10420	(floatsidf2_load): Delete.
10421	(fix_truncdfsi2): Don't use the fpmem "register", just
10422	allocate a stack temporary.
10423	(fix_truncdfsi2_internal_si): Delete.
10424	(fix_truncdfsi2_internal_di): Delete.
10425	(fix_truncdfsi2_internal): New insn.
10426	(fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10427	(fix_truncdfsi2_store): Delete.
10428	(fix_truncdfsi2_load): Delete.
10429	(fctiwz): Produce gen_fctiwz.
10430
10431	2000-01-19  Geoffrey Keating  <geoffk@cygnus.com>
10432
10433	* eabi.h (INVOKE__main): Define.
10434	* rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10435	specially.
10436	(rs6000_emit_prologue): Likewise.
10437	* rs6000.h (struct rs6000_stack): Don't keep track of whether
10438	this is the main program.
10439
10440	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
10441
10442	* rs6000.c (rs6000_va_arg): Delete some unused variables.
10443
10444	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
10445
10446	* rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10447	goes after the argument.
10448
10449	2000-01-12  Geoff Keating  <geoffk@cygnus.com>
10450
10451	* rs6000.md: Document 'unspec' values used.
10452	(epilogue): New expander.
10453	(movesi_to_cr_one): New expander.
10454	(movesi_to_cr and following): New pattern.
10455	(lmw): New pattern.
10456	(return_internal_si): New pattern.
10457	(return_internal_di): New pattern.
10458	(return_and_restore_fpregs_si): New pattern.
10459	(return_and_restore_fpregs_di): New pattern.
10460	* rs6000.h: Declare new functions.
10461	* rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10462	rather than rs6000_calls_p.
10463	(rs6000_makes_calls): Delete.
10464	(lmw_operation): New function.
10465	(mtcrf_operation): New function.
10466	(rs6000_emit_epilogue): New function.
10467	(output_epilog): Call rs6000_emit_epilogue and final if
10468	!TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10469
10470	2000-01-12  Geoff Keating  <geoffk@cygnus.com>
10471
10472	* aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10473	* aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10474	* aix.h (SUBTARGET_SWITCHES): Document switches.
10475	* rs6000.h: (TARGET_SWITCHES): Don't print options twice.  Make
10476	sched-prolog and sched-epilog the same.  Document all the
10477	switches.
10478	(TARGET_OPTIONS): No longer allow -mdebug-.
10479
10480	2000-01-12  Geoff Keating  <geoffk@cygnus.com>
10481
10482	* rs6000.h (ASM_FILE_END): Move to aix.h.
10483	(EXTRA_SECTIONS): Move to aix.h.
10484	(READONLY_DATA_SECTION): Move to aix.h.
10485	(EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10486	(SELECT_SECTION): Move to aix.h.
10487	(JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10488	(INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10489	(LINK_REGISTER_REGNUM): New definition.
10490	(RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10491	(SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10492	AIX and SVR4.
10493	* sysv4.h: Delete the code between the inclusion of rs6000.h
10494	and svr4.h.
10495	(DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10496	(FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10497	(RS6000_REG_SAVE): Move generic definition to rs6000.h.
10498	(RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10499	* rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10500	(fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10501	(fix_truncdfsi2_internal_di): New pattern.
10502	(fix_truncdfsi2_store): The second arg here is Pmode too.
10503	(fix_truncdfsi2_load): The second arg here is Pmode too.
10504	(tablejumpdi): Now that switch tables hold only SImode values,
10505	gcc needs to know how to add them to the pc which is DImode.
10506	* rs6000.c (rs6000_stack_info): Use symbolic name for
10507	LINK_REGISTER_REGNUM.
10508	(output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10509	(output_toc): Delete unused variables s1 and s2.
10510	(output_ascii): Use fputs not fprintf on a variable string.
10511
10512	2000-01-07  David Edelsohn  <edelsohn@gnu.org>
10513
10514	* rs6000.c (processor_target_table): Add power3 as alias for 630.
10515	* aix43.h: Revert Aug 2 change.
10516	(HAS_INIT_SECTION): Define, not visible yet.
10517	(LD_INIT_SWITCH): Define, not visible yet.
10518	* t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10519
10520	2000-01-04  Joel Sherrill (joel@OARcorp.com>
10521
10522	* config/rs6000/rtems.h: Include config/rtems.h.
10523
10524	2000-01-04  David Edelsohn  <edelsohn@gnu.org>
10525
10526	* rs6000.h (HANDLE_PRAGMA_PACK): Define.
10527	(SLOW_UNALIGNED_ACCESS): Define.
10528	(CASE_VECTOR_MODE): Always use 32-bit offsets.
10529	(ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10530	(EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10531	(toc_section): Likewise and .toc pseudo-op.
10532	(ASM_DECLARE_FUNCTION): Likewise.  Align text more strictly in
10533	64-bit mode.
10534	(TEXT_SECTION_ASM_OP): Likewise.
10535	(ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10536	32-bit offsets.
10537
10538	1999-12-17  Jakub Jelinek  <jakub@redhat.com>
10539
10540	* config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10541	UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10542	compiling libgcc2.
10543
10544	2000-01-06  Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10545
10546	* rs6000.h: Move more stuff from here...
10547	* aix.h: to here.
10548	* sysv4.h: Cleanup accordingly.
10549	* netware.h: Likewise
10550
10551	2000-01-05  Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10552
10553	* rs6000.h: Continue cleanup.
10554	* aix.h: Likewise.
10555	* lynx.h: Likewise.
10556	* netware.h: Likewise.
10557	* sol2.h: Likewise.
10558	* sysv4.h: Likewise.
10559	* win-nt.h: Likewise.
10560
10561	* rs6000.h (TARGET_SWITCHES): Add descriptions.
10562	(TARGET_OPTIONS): Likewise.
10563
10564	* sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
10565	(SUBTARGET_OPTIONS): Likewise.
10566
10567	* rs6000.md: Fix compile time warnings.
10568
10569	2000-01-04  Geoff Keating  <geoffk@cygnus.com>
10570
10571	vxworks patches from the Cygnus tree originally by
10572	Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
10573	<vmakarov@cygnus.com>.
10574	* sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
10575	(ENDFILE_SPEC): Likewise.
10576	(LIB_VXWORKS_SPEC): New macro.
10577	(STARTFILE_VXWORKS_SPEC): New macro.
10578	(ENDFILE_VXWORKS_SPEC): New macro.
10579	(LINK_START_VXWORKS_SPEC): New macro.
10580	(LINK_OS_VXWORKS_SPEC): New macro.
10581	(CPP_OS_VXWORKS_SPEC): New macro.
10582	(SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
10583	* vxppc.h: Rewrite to use proper configuration method.
10584	* vxppcle.h: New file.
10585	* ../../configure.in: Add powerpcle-wrs-vxworks*.
10586	* ../../configure: Rebuilt.
10587
10588	2000-01-04  Geoff Keating  <geoffk@cygnus.com>
10589
10590	Lots of changes to rs6000.h, sysv4.h, aix.h,
10591	aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
10592	with the aim that rs6000.h is the first header
10593	included and the others override it.
10594	* aix.h: New file.
10595
10596	* x-aix41-gld: Remove.
10597	* x-aix43: Remove.
10598	* x-aix41: Remove target-specific switches, and don't specify
10599	-Wl,-bbigtoc as we don't need it any more.
10600	* ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
10601	Use t-aix43 for AIX 4.3 and above.
10602	* ../../configure: Regenerated.
10603
10604	* rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
10605	options, that don't do anything yet.
10606	(MASK_SCHED_PROLOG): New macro.
10607	(MASK_SCHED_EPILOG): New macro.
10608	(TARGET_SCHED_PROLOG): New macro.
10609	(TARGET_SCHED_EPILOG): New macro.
10610
10611	2000-01-04  Geoff Keating  <geoffk@cygnus.com>
10612
10613	* rs6000.c: Correct comment, the `minimal' TOCs are actually
10614	one per translation unit, not one per function.
10615	(output_toc): Also do duplicate constant elimination
10616	for per-translation-unit TOCs.
10617
10618	* rs6000.md (nonlocal_goto_receiver): Put it back as before.  Add
10619	a comment explaining _exactly_ when this pattern gets used.
10620	(builtin_setjmp_receiver): New pattern for better clarity.
10621	(init_v4_pic): Move it into a section dealing with TOC registers.
10622
10623	1999-12-30  Geoff Keating  <geoffk@cygnus.com>
10624
10625	* rs6000.c (toc_hash_table): New variable.
10626	(rs6000_hash_constant): New function.
10627	(toc_hash_function): New function.
10628	(toc_hash_eq): New function.
10629	(toc_hash_mark_entry): New function.
10630	(toc_hash_mark_table): New function.
10631	(output_toc): Don't output duplicate TOC entries in
10632	a single file.
10633	(rs6000_add_gc_roots): Add the hash table as a GC root.
10634	* t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
10635	where they clearly shouldn't be.  This may need to be fixed
10636	later when there is a GNU ar for AIX.
10637	* x-aix43: Don't define CLIB or AR_FOR_TARGET.
10638	Don't define BOOT_LDFLAGS as it is now not necessary.
10639
10640	1999-12-29  Geoff Keating  <geoffk@cygnus.com>
10641
10642	* rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
10643	for va_list on AIX.  Use unsigned_char_type_node rather than
10644	constructing our own version on svr4.
10645
10646	1999-12-17  Geoff Keating  <geoffk@cygnus.com>
10647
10648	* tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
10649	since patently it's not.
10650
10651	1999-12-08  Geoff Keating  <geoffk@cygnus.com>
10652
10653	* config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
10654	define_expand/define_insn pair, and handle restore of the
10655	SVR4 -fpic register.
10656
10657Wed Mar 15 15:43:38 2000  Jeffrey A Law  (law@cygnus.com)
10658
10659	* acconfig.h (HAVE_GAS_WEAK): New define.
10660	* configure.in (assembler weak support): Check for .weak support.
10661	* config.in, configure: Rebuilt.
10662	* pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
10663	HAVE_GAS_WEAK is defined.
10664
106652000-03-15  Nick Clifton  <nickc@cygnus.com>
10666
10667	* config/arm/arm.c (arm_output_epilogue): Do not pass %c to
10668	asm_fprintf().
10669
106702000-03-15  Zack Weinberg  <zack@wolery.cumb.org>
10671
10672	* cppfiles.c (open_include_file): New function.
10673	(find_include_file, cpp_read_file): Use it.
10674
106752000-03-15  Jason Merrill  <jason@casey.cygnus.com>
10676
10677	* cpphash.c (dump_hash_helper): Take the slot, not the element.
10678
10679Wed Mar 15 14:28:54 2000  Jason Eckhardt  <jle@cygnus.com>
10680
10681	* flow.c (verify_flow_info): Check for unconditional return.
10682
10683Wed Mar 15 11:34:27 2000  Jim Wilson  <wilson@cygnus.com>
10684
10685	* config/ia64/ia64.md (restore_stack_nonlocal): New.
10686	* config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
10687	(__ia64_restore_stack_nonlocal): New.
10688	* config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
10689
106902000-03-15  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
10691
10692	* cpphash.c (collect_formal_parameters): Do not complain about
10693	parameter names that just start with `__VA_ARGS__'.
10694
10695Wed Mar 15 13:26:58 MET 2000  Jan Hubicka  <jh@suse.cz>
10696
10697	* i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
10698	movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
10699	* i386.c (pentiumpro_cost): Set mul cost to 4.
10700	(x86_use_movx): Set for PPro.
10701
10702Wed Mar 15 13:07:05 MET 2000  Jan Hubicka  <jh@suse.cz>
10703
10704	* i386.md (ix86_compute_frame_size): stack_alignment_needed is
10705	STACK_BOUNDARY for empty frames now.
10706
107072000-03-14  Mark Mitchell  <mark@codesourcery.com>
10708
10709	* stor-layout.c (layout_union): Remove.
10710	(layout_union_field): New function, split out from layout_union.
10711	(finish_union_layout): Likewise.
10712	(layout_field): Handle unions by calling layout_union_field.
10713	(finish_record_layout): Handle unions.
10714	(layout_type): Combine RECORD_TYPE, UNION_TYPE, and
10715	QUAL_UNION_TYPE handling.
10716
10717Wed Feb 23 13:00:06 CET 2000  Jan Hubicka  <jh@suse.cz>
10718
10719	* flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
10720	end of basic block is jump_insn, not barrier; use create_basic_block
10721	instead of creating basic block by hand.
10722
107232000-03-14  Jason Eckhardt  <jle@cygnus.com>
10724
10725	* flow.c (reorder_basic_blocks): Account for barriers when writing
10726	over NEXT_INSN (last_bb->end).
10727	(verify_flow_info): Add check for missing barriers.
10728
107292000-03-14  Greg McGary  <gkm@gnu.org>
10730
10731	* c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
10732	* c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
10733	* c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
10734	__ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
10735	__unbounded, __unbounded__): New keywords.
10736	* c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
10737	* c-parse.y, c-parse.c, c-parse.h: Regenerate.
10738	* objc/objc-parse.y, objc/objc-parse.c: Regenerate.
10739
107402000-03-14  Bernd Schmidt  <bernds@cygnus.co.uk>
10741
10742	* cselib.h: New file.
10743	* alias.c: Include "cselib.h".
10744	(fixed_scalar_and_varying_struct_p): Accept the addresses of the
10745	MEMs as two new arguments.
10746	(get_addr): New static function.
10747	(find_base_term): Handle VALUEs.
10748	(memrefs_conflict_p): Likewise.
10749	(true_dependence): Call get_addr on the addresses.
10750	Call fixed_scalar_and_varying_struct_p with addresses that have been
10751	passed through get_addr and canon_rtx.
10752	(write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
10753	with true_dependence.
10754	Call get_addr on the addresses; don't call canon_rtx on the MEMs.
10755	* loop.c: Include "cselib.h".
10756	(load_mems): Process extended basic block that enters the loop with
10757	cselib.  Use that information to change initialization of the shadow
10758	register so that a constant equivalence is seen by later passes.
10759	* reload1.c: Include "cselib.h".
10760	(reload_cse_invalidate_regno): Delete function.
10761	(reload_cse_mem_conflict_p): Likewise.
10762	(reload_cse_invalidate_mem): Likewise.
10763	(reload_cse_invalidate_rtx): Likewise.
10764	(reload_cse_regno_equal_p): Likewise.
10765	(reload_cse_check_clobber): Likewise.
10766	(reload_cse_record_set): Likewise.
10767	(reg_values): Delete static variable.
10768	(invalidate_regno_rtx): Likewise.
10769	(reload_cse_delete_noop_set): New static function.
10770	(reload_cse_simplify): New static function, broken out of
10771	reload_cse_regs_1.
10772	(reload_cse_noop_set_p): Delete unused argument INSN.
10773	Just call rtx_equal_for_cselib_p on set source and destination.
10774	(reload_cse_regs_1): Break out some code into reload_cse_simplify and
10775	reload_cse_delete_noop_set.  Delete code to keep track of values; use
10776	cselib functions instead.  Delete code to push/pop obstacks.
10777	(reload_cse_simplify_set): Use cselib to find equivalent values.
10778	Delete code to push/pop obstacks.
10779	(reload_cse_simplify_operands): Likewise.
10780	* rtl.def (VALUE): New rtx code.
10781	* rtl.h (union rtunion_def): New elt rt_cselib.
10782	(X0CSELIB, CSELIB_VAL_PTR): New macros.
10783	* simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
10784	(new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
10785	unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
10786	discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
10787	hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
10788	cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
10789	cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
10790	cselib_record_set, cselib_record_sets): New static functions.
10791	(cselib_lookup, cselib_update_varray_sizes, cselib_init,
10792	cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
10793	references_value_p): New functions.
10794	(MAX_USELESS_VALUES, REG_VALUES): New macros.
10795	(table, cselib_current_insn, next_unknown_value, cselib_nregs,
10796	n_useless_values, reg_values, callmem, cselib_obstack,
10797	cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
10798	New static variables.
10799	* varray.h (union varray_data_tag): New elt te.
10800	(VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
10801	* Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
10802	dependencies.
10803
108042000-03-14  Nick Clifton  <nickc@cygnus.com>
10805
10806	* gcc.c (do_spec_1): Catch the case where %* is used in a
10807	substitution pattern, but it has not been initialized.
10808	Issue a meaningful error message if an unrecognized operator
10809	is encountered in a spec string.
10810
108112000-03-14  Richard Earnshaw <rearnsha@arm.com>
10812
10813	* function.c (prepare_function_start): Correctly initialize
10814	cfun->stack_alignment_needed.
10815
108162000-03-14  Zack Weinberg  <zack@wolery.cumb.org>
10817
10818	* cppfiles.c (find_include_file): Don't assume nshort is a
10819	substring of name.
10820
10821Tue Mar 14 08:42:21 2000  Jeffrey A Law  (law@cygnus.com)
10822
10823	* configure.in (hppa configurations): Add pa32-regs.h to the
10824	list of tm files as appropriate.
10825	* configure: Rebuilt.
10826	* pa.c (compute_frame_size): Remove explicit knowledge about FP
10827	register numbering.
10828	(hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10829	(fmpyaddoperands, fmpysuboperands): Likewise.
10830	* pa.h: Remove various definitions which depend on knowing
10831	how registers are numbered.
10832	* pa32-regs.h: New file with PA32 register numbering specific
10833	definitions.
10834
108352000-03-14  Richard Henderson  <rth@cygnus.com>
10836
10837	* regmove.c (combine_stack_adjustments): New.
10838	(stack_memref_p, single_set_for_csa): New.
10839	(free_csa_memlist, record_one_stack_memref): New.
10840	(try_apply_stack_adjustment): New.
10841	(combine_stack_adjustments_for_block): New.
10842	* rtl.h (combine_stack_adjustments): Declare.
10843	* toplev.c (rest_of_compilation): Call it.
10844
10845	* i386.md: Revert 2000-01-16 change.
10846
108472000-03-14  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
10848
10849	* gccbug.in: Add web category, gcc specific classes.
10850
108512000-03-14  Nathan Sidwell  <nathan@codesourcery.com>
10852
10853	* stor-layout.c (finalize_record_size): Fix typo.
10854
108552000-03-14  Stan Shebs  <shebs@apple.com>
10856
10857	* c-typeck.c (c_alignof): Error on incomplete types.
10858	* extend.texi (Alignment): Document this.
10859
108602000-03-13  Zack Weinberg  <zack@wolery.cumb.org>
10861
10862	* cppfiles.c: Include mkdeps.h.
10863	(find_include_file, read_include_file): Remove _cpp_ prefix
10864	from name, make static.
10865	(_cpp_execute_include): New function, broken out of
10866	do_include.
10867
10868	* cpplib.c: Don't include mkdeps.h.
10869	(struct directive): Remove type field. Reorder entries.  The
10870	function takes only one argument.
10871	(struct if_stack): Make type field an int.
10872	(directive_table): Rename to dtable.  Generate it, the
10873	prototypes of the directive handlers, and the enum for the
10874	directive numbers, from a template macro.
10875	(do_ifndef, do_include_next, do_import): New functions.
10876	(do_define, do_include, do_endif, do_ifdef, do_if, do_else,
10877	do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
10878	do_ident, do_assert, do_unassert, do_sccs): Take only one
10879	argument.
10880	(do_sccs): Define always, but alter behavior based on
10881	SCCS_DIRECTIVE.
10882	(_cpp_handle_directive, consider_directive_while_skipping):
10883	Restructure for new directive table layout.
10884
10885	(pass_thru_directive): Take a directive number, not a pointer
10886	to a struct directive.
10887	(parse_include): New function, broken out of do_include.
10888	(do_include, do_import, do_include_next): Use parse_include
10889	and _cpp_execute_include.
10890	(do_elif, do_else): Test for T_ELSE specifically when checking
10891	for #elif/#else after #else.
10892	(parse_ifdef): New function, broken out of do_ifdef.
10893	(validate_else): Expect a name arg without a leading #.
10894	(if_directive_name): Delete.
10895	(cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
10896	directive handlers with only one argument.
10897
10898	* cpphash.h: Update prototypes.
10899	(enum node_type): Remove entries for directives.
10900	* Makefile.in: Update dependencies.
10901
10902	* cpphash.c (dump_hash_helper): Only dump nodes of type
10903	T_MACRO.  Emit a newline after each definition.
10904
109052000-03-14  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
10906
10907	* gccbug.in: New file.
10908	* configure.in (all_outputs): Add gccbug.
10909	* Makefile.in (install-common): Install gccbug.
10910	(GCCBUG_INSTALL_NAME): New variable.
10911	* configure: Rebuilt.
10912
109132000-03-13  Jason Merrill  <jason@casey.cygnus.com>
10914
10915	* function.c (put_var_into_stack): Use type_for_mode to calculate
10916	part_type.  Use MEM_SET_IN_STRUCT_P.
10917	* expr.c (store_field): Handle CONCAT.
10918	(store_constructor): Use fields_length.
10919	* tree.c (fields_length): New fn.
10920	* tree.h: Declare it.
10921
109222000-03-13  Zack Weinberg  <zack@wolery.cumb.org>
10923
10924	* Makefile.in (LIBCPP_OBJS): Add cpplex.o.
10925	(cpplex.o): New target.
10926	* po/POTFILES.in: Add cpplex.c.
10927
10928	* cpplex.c (_cpp_grow_token_buffer, null_cleanup,
10929	cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
10930	cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
10931	skip_block_comment, skip_line_comment, skip_comment,
10932	copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
10933	_cpp_parse_name, skip_string, parse_string,
10934	_cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
10935	_cpp_get_directive_token, find_position,
10936	_cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
10937	(maybe_macroexpand, _cpp_lex_token): New functions.
10938
10939	* cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
10940	parse_goto_mark): Delete.
10941	(_cpp_handle_eof): New function.
10942	(_cpp_handle_directive): Rename from handle_directive.
10943	(_cpp_output_line_command): Rename from output_line_command.
10944	(do_if, do_elif): Call _cpp_parse_expr directly.
10945	* cppfiles.c (_cpp_read_include_file): Don't call
10946	init_input_buffer here.
10947	* cpphash.c (quote_string): Move here, rename _cpp_quote_string.
10948	* cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
10949	here; pop the token_buffer and skip the rest of the line here.
10950	* cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
10951	here.
10952
10953	* cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
10954	Define here.
10955	(CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
10956	CPP_GOTO_MARK): New macros.
10957	(_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
10958	_cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
10959	_cpp_read_and_prescan, _cpp_init_input_buffer,
10960	_cpp_grow_token_buffer, _cpp_get_directive_token,
10961	_cpp_handle_directive, _cpp_handle_eof,
10962	_cpp_output_line_command): Prototype them here.
10963	* cpplib.h (enum cpp_token): Add CPP_MACRO.
10964	(CPP_RESERVE, get_directive_token, cpp_grow_buffer,
10965	quote_string, output_line_command): Remove.
10966
109672000-03-13  Bernd Schmidt  <bernds@cygnus.co.uk>
10968
10969	* stmt.c (expand_end_case): RANGE may be signed, and when checking
10970	whether it is too large we must also verify that it isn't negative.
10971
109722000-03-13  Jakub Jelinek  <jakub@redhat.com>
10973
10974	* config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
10975	(movsi_zero_liveg0): Remove.
10976	(movsf_insn_novis_liveg0): Remove.
10977	(negsi2): Remove.
10978	(negsi2_not_liveg0): Rename to negsi2.
10979	(one_cmplsi2): Remove.
10980	(one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
10981	(one_cmplsi2_liveg0): Remove.
10982	* config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
10983	MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
10984	(CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
10985	(PREDICATE_CODES): Remove zero_operand.
10986	* config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
10987	TARGET_BROKEN_SAVERESTORE.
10988	(zero_operand): Remove.
10989	* config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
10990	-mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
10991	options.
10992	(SUBTARGET_OVERRIDE_OPTIONS): Remove.
10993	* config/sparc/linux-aout.h (TARGET_LIVE_G0,
10994	TARGET_BROKEN_SAVERESTORE): Remove.
10995	* config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10996	Remove.
10997	* config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10998	Remove.
10999	* config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11000	Remove.
11001
11002	* config/sparc/sparc.md (return_df_no_fpu): New pattern.
11003
110042000-03-13  Zack Weinberg  <zack@wolery.cumb.org>
11005
11006	* cpplib.c (do_pragma_implementation): Fix off-by-one error
11007	truncating a string.  Don't assume tokens are nul terminated.
11008	Problem noted by Andreas Jaeger <aj@suse.de>
11009
110102000-03-13  Jason Merrill  <jason@casey.cygnus.com>
11011
11012	* dwarf2out.c (add_name_and_src_coords_attributes): Only add
11013	DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
11014	(ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
11015
110162000-03-13  Richard Earnshaw <rearnsha@arm.com>
11017
11018	* stor-layout.c (new_record_layout_info): Fix typo inside ifdef
11019	STRUCTURE_SIZE_BOUNDARY.
11020
110212000-03-13  Mark Mitchell  <mark@codesourcery.com>
11022
11023	* tree.h (record_layout_info_s): New structure.
11024	(record_layout_info): New type.
11025	(new_record_layout_info): New function.
11026	(layout_field): Likewise.
11027	(finish_record_layout): Likewise.
11028	* stor-layout.c (layout_record): Remove.
11029	(new_record_layout_info): New function.
11030	(layout_field): New function, broken out from layout_record.
11031	(finalize_record_size): Likewise.
11032	(compute_record_mode): Likewise.
11033	(finalize_type_size): New function, broken out from layout_type.
11034	(finish_record_layout): Likewise.
11035	(layout_type): Use them.
11036
110372000-03-12  Zack Weinberg  <zack@wolery.cumb.org>
11038
11039	* cpphash.c: Don't include version.h.
11040	(special_symbol) [case T_VERSION]: Look for the string in
11041	hp->value.cpval; don't use version_string.
11042	* cppinit.c (initialize_builtins): Set hp->value.cpval for
11043	__VERSION__ to version_string.
11044	* Makefile.in (cpphash.o): Update deps.
11045
110462000-03-12  Zack Weinberg  <zack@wolery.cumb.org>
11047
11048	Convert cpplib to use libiberty/hashtab.c.
11049
11050	* cpplib.h (struct cpp_reader): Make hashtab and
11051	all_include_files of type 'struct htab *'.  Delete HASHSIZE
11052	and ALL_INCLUDE_HASHSIZE macros.
11053
11054	* cpphash.h: Update prototypes.
11055	(struct hashnode): Remove next, prev, and bucket_hdr members.
11056	Make length a size_t.  Add hash member.
11057	(struct ihash): Remove next member.  Add hash member.  Make
11058	name a flexible array member.
11059
11060	* cppfiles.c: Include hashtab.h.
11061	(include_hash): Delete.
11062	(IHASHSIZE): New macro.
11063	(hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
11064	(cpp_included): Do the hash lookup here.
11065	(_cpp_find_include_file): Rewrite.
11066	(cpp_read_file): Put the "fake" hash entry into the hash
11067	table.  Honor the control_macro, if it turns out we've seen
11068	the file before.  Don't push the buffer here.
11069	(_cpp_read_include_file): Push the buffer here.
11070	(OMODES): New macro.  Use it whenever we call open(2).
11071
11072	* cpphash.c: Include hashtab.h.
11073	(hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
11074	_cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
11075	_cpp_lookup_slot): New functions.
11076	(HASHSIZE): new macro.
11077	(hashf, _cpp_install, _cpp_delete_macro): Delete.
11078	(_cpp_lookup): Use hashtab.h routines.
11079
11080	* cppinit.c: Include hashtab.h.
11081	(cpp_reader_init): Call _cpp_init_macro_hash and
11082	_cpp_init_include_hash.  Don't allocate hashtab directly.
11083	(cpp_cleanup): Just call htab_delete on pfile->hashtab and
11084	pfile->all_include_files.
11085	(initialize_builtins): Use _cpp_make_hashnode and
11086	htab_find_slot to add hash entries.
11087	(cpp_finish): Just call _cpp_dump_macro_hash.
11088	* cpplib.c: Include hashtab.h.
11089	(do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
11090	create hash entries.
11091	(do_pragma_poison, do_assert): Likewise.
11092	(do_include): Don't push the buffer here.  Don't increment
11093	system_include_depth unless _cpp_read_include_file succeeds.
11094	(do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
11095	or htab_remove_elt.
11096	(do_pragma_implementation): Use alloca to create copy.
11097
11098	* Makefile.in: Update dependencies.
11099
111002000-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11101
11102	* cppinit.c (cl_directive_handler): More K&R fixing.
11103
11104Sat Mar 11 23:54:26 2000  Jim Wilson  <wilson@cygnus.com>
11105
11106	* config/ia64/ia64.c (ia64_compute_frame_size): Align size to
11107	STACK_BOUNDARY.
11108	* config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
11109
111102000-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11111
11112	* cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
11113	Change from char[] to macros.
11114
111152000-03-12  Neil Booth  <NeilB@earthling.net>
11116
11117	* cppinit.c (cpp_start_read): Update indirect function
11118	call to K&R C.
11119
11120Sat Mar 11 16:18:12 2000  Jim Wilson  <wilson@cygnus.com>
11121
11122	* config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
11123	entry.
11124
11125	* config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11126	config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
11127
111282000-03-11  Neil Booth  <NeilB@earthling.net>
11129
11130	* cppinit.c (struct pending option): Replace undef with a
11131	pointer to a directive handling routine.
11132	(struct cpp_pending): Replace separate assert_ and define_
11133	lists with one directive_ list.
11134	(new_pending_define): Rename new_pending_directive. Extra
11135	argument is the directive's handling routine.
11136	(handle_option): Update to use new_pending_directive.
11137
111382000-03-11  Neil Booth  <NeilB@earthling.net>
11139
11140	* cppfiles.c (file_cleanup, _cpp_find_include_file,
11141	remap_filename, _cpp_read_include_file, actual_directory,
11142	hack_vms_include_specification): Replace bcopy(), index() etc
11143	calls.  Add casts to some allocations.  Make some variables
11144	pointers to const [unsigned] char.
11145	* cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
11146	collect_formal_parameters): Similarly.
11147	* cppinit.c (struct pending_option, append_include_chain,
11148	cpp_options_init, cpp_reader_init, initialize_standard_includes,
11149	cpp_start_read, new_pending_define, handle_option): Similarly.
11150	* cpplib.c (cpp_define, copy_comment, do_define, do_include,
11151	do_undef, do_error, do_warning, do_pragma, do_pragma_once,
11152	do_pragma_implementation, detect_if_not_defined,
11153	do_ifdef, skip_if_group, cpp_get_token, parse_string,
11154	do_assert, do_unassert): Similarly.
11155	* cpplib.h (cpp_buffer, cpp_options): Update types.  Update
11156	function prototypes.
11157	* mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
11158
111592000-03-10  Richard Henderson  <rth@cygnus.com>
11160
11161	* builtins.c (expand_builtin_strlen): Revert last change.
11162	Use emit_insn_before if we're at the beginning of a sequence.
11163
111642000-03-10  Jason Merrill  <jason@casey.cygnus.com>
11165
11166	* builtins.c (expand_builtin_strlen): Make sure that we have something
11167	at the beginning of the sequence.
11168
11169	* toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
11170	deferred inlines.
11171
11172	* invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
11173
111742000-03-10  Richard Henderson  <rth@cygnus.com>
11175
11176	* except.c (can_throw): Use INTVAL on a CONST_INT.
11177	(reachable_handlers): Likewise.
11178	* flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
11179
111802000-03-10  Andreas Jaeger  <aj@suse.de>
11181
11182	* config/mips/linux.h: Undefine MD_EXEC_PREFIX and
11183	MD_STARTFILE_PREFIX since those are not needed on linux.
11184	(ASM_FILE_START): New, from mips/gnu.h.
11185
111862000-03-09  Richard Henderson  <rth@cygnus.com>
11187	    Alex Samuel  <samuel@codesourcery.com> and others
11188
11189	* Makefile.in (ssa.o): New rule.
11190	(OBJS): Add ssa.o.
11191	(STAGESTUFF): Add *.ssa and *.ussa.
11192	(mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
11193	* rtl.def (PHI): New RTL expression.
11194	* rtl.h (clear_log_links): New declaration.
11195	(convert_to_ssa): Likewise.
11196	(convert_from_ssa): Likewise.
11197	* flow.c (split_edge): If the entry node falls through to the
11198	split edge's source block, split the entry edge.
11199	(clear_log_links): New function.
11200	* toplev.c (ssa_dump): New variable.
11201	(flag_ssa): Likewise.
11202	(f_options): Add "ssa".
11203	(compile_file): Create SSA dump files.
11204	(rest_of_compilation): Go to and from SSA if enabled.
11205	(decide_d_option): Handle -de for SSA dump files.
11206	* ssa.c: New file.
11207
11208Thu Mar  9 20:01:38 2000  Jim Wilson  <wilson@cygnus.com>
11209
11210	* expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
11211	same as VAR_DECL.
11212
112132000-03-09  Benjamin Kosnik  <bkoz@cygnus.com>
11214
11215	* config/alpha/linux.h (WCHAR_TYPE): Make consistent.
11216
11217Thu Mar  9 18:10:02 2000  Jeffrey A Law  (law@cygnus.com)
11218
11219	* config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
11220	(MD_STARTFILE_PREFIX_1): New macro.
11221
112222000-03-09  Robert Lipe  <robertl@sco.com>
11223
11224	* config/ia64/ia64.c: Include system.h.
11225
112262000-03-09  Jason Merrill  <jason@casey.cygnus.com>
11227
11228	* except.c (nothrow_function_p): If -fno-exceptions, just return.
11229	(init_eh_nesting_info): Likewise.
11230
11231	* tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
11232	(TREE_NOTHROW): Rename from TREE_RAISES.
11233	* toplev.c (rest_of_compilation): Set it.
11234	* print-tree.c (print_node): Adjust.
11235	* tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
11236	(stabilize_reference_1, get_unwidened, get_narrower): Likewise.
11237	* calls.c (emit_call_1): Add 'nothrow' parm.  Add
11238	REG_EH_REGION note as appropriate.
11239	(libfunc_nothrow): New fn.
11240	(emit_library_call, emit_library_call_value): Use it.
11241	(expand_call): Check TREE_NOTHROW.
11242
11243	* varasm.c (make_decl_rtl): Skip initial '*' when setting
11244	DECL_ASSEMBLER_NAME.
11245
112462000-03-09  Andreas Jaeger  <aj@suse.de>
11247
11248	* mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
11249	(TARGET_MEM_FUNCTIONS): Define.
11250
112512000-03-09  Jason Merrill  <jason@casey.cygnus.com>
11252
11253	* i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
11254
11255	* except.c (can_throw): See through a SEQUENCE.
11256	(nothrow_function_p): New fn.
11257	* except.h: Declare it.
11258	* function.c (current_function_nothrow): New var.
11259	(prepare_function_start): Initialize it.
11260	* output.h: Declare it.
11261	* toplev.c (rest_of_compilation): Set it.
11262	* dwarf2out.c (dwarf2out_begin_prologue): Use it.
11263
112642000-03-09  Zack Weinberg  <zack@wolery.cumb.org>
11265
11266	* cpphash.c (collect_formal_parameters): strncmp returns 0 for
11267	match.  (cpp_compare_defs): Count the nul separator when
11268	advancing over argument names.
11269
112702000-03-09  Bernd Schmidt  <bernds@cygnus.co.uk>
11271
11272	* recog.c (preprocess_constraints): Matching constraints affect
11273	same alternative/different operand, not same operand/different
11274	alternative.
11275
11276	* reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
11277	register and a constant specially.
11278
112792000-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11280
11281	* libgcc2.h: New file.
11282	* libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
11283
11284Wed Mar  8 16:19:42 2000  Jim Wilson  <wilson@cygnus.com>
11285
11286	* configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
11287	* configure: Regenerate.
11288	* config/ia64: New.
11289
112902000-03-08  Zack Weinberg  <zack@wolery.cumb.org>
11291
11292	* Makefile.in (LIBCPP_DEPS): New macro.
11293	(cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
11294	it to declare deps.
11295	* cpperror.c: Include cpphash.h.
11296	* cppexp.c: Include cpphash.h.  Remove MULTIBYTE_CHARS
11297	dingleberry.
11298	(lex): Don't use CPP_WARN_UNDEF.
11299	(_cpp_parse_expr): Return an int, the truth value.
11300	* cppfiles.c: Include cpphash.h.
11301	(_cpp_merge_include_chains): Move to cppinit.c and make static.
11302	* cppinit.c (include_defaults_array): Disentangle.
11303	(cpp_cleanup): Don't free the if stack here.
11304	(cpp_finish): Pop off all buffers, not just one.
11305	* cpplib.c (eval_if_expr): Return int.
11306	(do_xifdef): Rename do_ifdef.
11307	(handle_directive): Don't use CPP_PREPROCESSED.
11308	(cpp_get_token): Don't use CPP_C89.
11309	* fix-header.c: Don't use CPP_OPTIONS.
11310
11311	* cpplib.h: Move U_CHAR, enum node_type, struct
11312	file_name_list, struct ihash, is_idchar, is_idstart,
11313	is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
11314	CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
11315	CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
11316	CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
11317	CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
11318	of _cpp_simplify_pathname, _cpp_find_include_file,
11319	_cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
11320	Move struct if_stack to cpplib.c.  Move struct cpp_pending to
11321	cppinit.c.
11322	Change all uses of U_CHAR to be unsigned char instead.
11323	Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
11324
113252000-03-08  Jason Merrill  <jason@casey.cygnus.com>
11326
11327	* dwarf2out.c (dw_fde_struct): Add 'nothrow'.
11328	(dwarf2out_begin_prologue): Set it.
11329	(output_call_frame_info): Don't emit EH unwind info for leaves.
11330
11331	* flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
11332	can occur outside of an EH region.
11333	* except.c: Correct comments about rethrow behavior.
11334	(rethrow_symbol_map): Do nothing if !flag_new_exceptions.
11335
113362000-03-08  Andrew MacLeod  <amacleod@cygnus.com>
11337
11338	* flow.c (make_edges): Always call make_eh_edge for calls.
11339
113402000-03-08  Zack Weinberg  <zack@wolery.cumb.org>
11341
11342	* cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
11343	(struct cpp_buffer): Remove fname and underflow fields.
11344	(struct cpp_reader): Remove get_token field.
11345	(struct include_hash): Rename to struct ihash.  Add typedef to
11346	IHASH.
11347	(struct if_stack): Remove fname field.
11348	(IF_STACK_FRAME): Rename to IF_STACK.
11349
11350	* cpperror.c (print_containing_files): Trust that there are no
11351	macro buffers below the top file buffer.
11352	* cppfiles.c: Replace all references to 'struct include_hash'
11353	with 'IHASH'.  Rename initialize_input_buffer to
11354	init_input_buffer.  Don't set or reference cpp_buffer->fname,
11355	use buffer->ihash->name instead.
11356	* cpphash.c (special_symbol): Use cpp_file_buffer.  Use NULL
11357	not CPP_NULL_BUFFER.
11358	* cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
11359	IF_STACK_FRAME, IHASH not struct include_hash.
11360	* cpplib.c: Rename eval_if_expression to eval_if_expr.  Remove
11361	null_underflow.  Use IF_STACK not IF_STACK_FRAME, IHASH not
11362	struct include_hash, NULL not CPP_NULL_BUFFER.  Remove all
11363	references to cpp_buffer->fname (delete entirely, or use
11364	->ihash->name instead) and IF_STACK->fname.
11365	(cpp_push_buffer): Don't set new->underflow.
11366	(do_include): Use cpp_file_buffer.
11367
11368	* cpphash.c (collect_formal_parameters): Remove duplicate
11369	increment of argslen.  Pedwarn in C99 mode if __VA_ARGS__ is
11370	used as a macro argument name.  Don't append "..." to namebuf
11371	for varargs macros.  After we're done scanning, go through
11372	namebuf and make it NUL separated, not comma separated.
11373	(_cpp_compare_defs): Remove register tag from variables.
11374	Expect defn->argnames to be NUL separated.
11375	(_cpp_dump_definition): Expect defn->argnames to be NUL
11376	separated and in forward order.
11377	* cpphash.h: Update documentation of argnames field.
11378
113792000-03-08  Richard Henderson  <rth@cygnus.com>
11380
11381	* builtins.c (expand_builtin_strlen): Be prepared for strlensi
11382	to fail.  Don't pre-expand the source operand.
11383
11384	* i386.md (strlensi): Initialize eoschar and align before use.
11385
113862000-03-08  Jason Merrill  <jason@casey.cygnus.com>
11387
11388	* expr.c (expand_expr, case ARRAY_REF): Still check for missing
11389	CONSTRUCTOR element.
11390
113912000-03-08  Gavin Romig-Koch  <gavin@cetus.cygnus.com>
11392
11393	* mips.c (mips_expand_prologue): If the last
11394	named argument is the vararg marker "va_list", treat it as
11395	an unnamed argument.
11396
113972000-03-08  Clinton Popetz  <cpopetz@cygnus.com>
11398
11399	* dbxout.c (dbxout_parms): When correcting for promoted
11400	big-endian parameters, use the mode of the DECL_RTL rather
11401	than UNITS_PER_WORD.
11402
114032000-03-08  Nathan Sidwell  <nathan@codesourcery.com>
11404
11405	* c-common.h (make_fname_decl): Declare.
11406	* c-common.c (make_fname_decl): Define.
11407	(declare_hidden_char_array): Remove.
11408	(declare_function_name): Use make_fname_decl.
11409	* c-decl.c (c_make_fname_decl): New function.
11410	(init_decl_processing): Set make_fname_decl.
11411
11412Tue Mar  7 23:50:31 2000  Jeffrey A Law  (law@cygnus.com)
11413
11414	* cccp.c (handle_directive): Initialize backslash_newlines_p.
11415
114162000-03-07  Philipp Thomas  <pthomas@suse.de>
11417
11418	* po/POTFILES.in: Remove cppalloc.c from file list.
11419
114202000-03-07  Steve Chamberlain  <sac@pobox.com>
11421
11422	* pj.c (pj_expand_prologue): current_function->args_info is
11423	now current_function_args_info.
11424
11425	* pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11426	LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11427	ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11428
114292000-03-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
11430
11431	* config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11432	output as hexadecimal rather than the default octal.
11433
114342000-03-07  Zack Weinberg  <zack@wolery.cumb.org>
11435
11436	* cpphash.c (special_symbol): Fix thinko in previous commit.
11437
114382000-03-07  Neil Booth  <NeilB@earthling.net>
11439
11440	* cppexp.c (struct operation, left_shift, right_shift,
11441	cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11442	"int"s to "unsigned int"s.
11443	* cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11444	Similarly.
11445	* cpplib.h: Update for above.
11446	* mkdeps.c (deps_init, deps_calc_target): Cast pointers
11447	returned from allocations.
11448
11449	* cppinit.c (opt_comp, parse_options): New functions.
11450	(handle_option): Use parse_option to parse a single command
11451	line option, that possibly takes an argument.
11452	(cpp_handle_options): Sort the array of command line options on
11453	first invocation (non-ASCII hosts only).
11454	(print_help): Update.
11455
114562000-03-07  Zack Weinberg  <zack@wolery.cumb.org>
11457
11458	* mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11459	backslash counting loops.  Problem noted by Matt Kraai <kraai@ghs.com>.
11460
11461	* cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11462	initialized.
11463	* cppinit.c (cpp_cleanup): Free imp->nshort also.
11464
11465	* cpperror.c (cpp_print_containing_files,
11466	cpp_print_file_and_line, v_cpp_message): Rename to
11467	print_containing_files, print_file_and_line, and v_message.
11468	* cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11469	to _cpp_parse_expr, parse_escape, and lex.
11470	(parse_charconst): Remove broken multibyte support.
11471	* cppfiles.c (include_hash): Make static.
11472	(cpp_included): New function.
11473	(merge_include_chains, find_include_file, finclude,
11474	simplify_pathname): Rename to _cpp_merge_include_chains,
11475	_cpp_find_include_file, _cpp_read_include_file, and
11476	_cpp_simplify_pathname.
11477	* cpphash.c (cpp_lookup, free_definition, delete_macro,
11478	cpp_install, create_definition, macroexpand, compare_defs,
11479	dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11480	_cpp_delete_macro, _cpp_install, _cpp_create_definition,
11481	_cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11482	* cppinit.c (cpp_handle_option): Rename to handle_option, make
11483	static.
11484	* cpplib.c: Remove extern prototype of cpp_parse_expr.
11485
11486	* cpphash.h: Update prototypes.
11487	* cpplib.h: Likewise.  Prototype _cpp_parse_expr here.
11488
114892000-03-07  Andrew Haley  <aph@cygnus.com>
11490
11491	* config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11492	PTRDIFF_TYPE should be based solely on Pmode.
11493	(SIZE_TYPE): ditto.
11494
114952000-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11496
11497	* rtl.h (rtunion_def): Constify member `rtstr'.
11498	(emit_line_note_after, emit_line_note, emit_line_note_force,
11499	emit_note, decode_asm_operands): Constify.
11500
11501	* cse.c (canon_hash): Likewise.
11502
11503	* dbxout.c (dbxout_block): Likewise.
11504
11505	* diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11506	v_warning_for_asm): Likewise.
11507
11508	* dwarfout.c (function_start_label): Likewise.
11509
11510	* emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11511	emit_line_note_force): Likewise.
11512
11513	* final.c (last_filename, asm_insn_count, final_scan_insn,
11514	output_source_line): Likewise.
11515
11516	* function.h (struct emit_status): Likewise.
11517
11518	* gcse.c (hash_expr_1): Likewise.
11519
11520	* genattr.c (gen_attr, main): Likewise.
11521
11522	* genattrtab.c (struct function_unit, current_alternative_string,
11523	write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11524	attr_numeral, check_attr_test, check_attr_value,
11525	convert_set_attr_alternative, convert_set_attr,
11526	compute_alternative_mask, simplify_by_exploding, gen_attr,
11527	gen_unit): Likewise.
11528
11529	* genflags.c (gen_insn): Likewise.
11530
11531	* gengenrtl.c (type_from_format): Likewise.
11532
11533	* genopinit.c (gen_insn): Likewise.
11534
11535	* genoutput.c (n_occurrences, process_template, process_template):
11536	Likewise.
11537
11538	* ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11539	Likewise.
11540
11541	* ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11542	Likewise.
11543
11544	* ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
11545	ggc_set_mark, ggc_get_size): Likewise.
11546
11547	* objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
11548
11549	* optabs.c (init_one_libfunc): Likewise.
11550
11551	* output.h (assemble_start_function): Likewise.
11552
11553	* recog.c (decode_asm_operands): Likewise.
11554
11555	* toplev.c (rest_of_compilation): Likewise.
11556
11557	* tree.h (emit_line_note_after, emit_line_note,
11558	emit_line_note_force): Likewise.
11559
11560	* varasm.c (asm_output_bss, asm_output_aligned_bss,
11561	asm_emit_uninitialised, assemble_start_function,
11562	assemble_variable, const_hash, compare_constant_1,
11563	find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
11564
11565	* xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
11566
11567	* alpha/alpha.md (call_vms, call_value_vms): Likewise.
11568
11569	* arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
11570
11571	* arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
11572
11573	* arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
11574	arm_dllimport_name_p): Likewise.
11575
11576	* arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
11577	Likewise.
11578
11579	* arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
11580
11581	* arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11582
11583	* arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
11584	arm_mark_dllexport, arm_mark_dllimport,
11585	arm_pe_encode_section_info): Likewise.
11586
11587	* arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
11588	ASM_FINISH_DECLARE_OBJECT): Likewise.
11589
11590	* arm/thumb.c (thumb_function_prologue): Likewise.
11591
11592	* arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
11593
11594	* avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11595
11596	* clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
11597
11598	* fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
11599
11600	* i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
11601
11602	* i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11603
11604	* i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
11605	ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
11606
11607	* i386/i386-protos.h (asm_output_function_prefix): Likewise.
11608
11609	* i386/i386.c (asm_output_function_prefix): Likewise.
11610
11611	* i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
11612
11613	* i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11614
11615	* i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
11616
11617	* i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
11618	ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
11619	ASM_OUTPUT_SECTION_NAME): Likewise.
11620
11621	* i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
11622
11623	* i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
11624
11625	* i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
11626
11627	* m32r/m32r.c (m32r_encode_section_info): Likewise.
11628
11629	* mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11630
11631	* mcore/mcore.c (mcore_encode_section_info): Likewise.
11632
11633	* mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11634
11635	* mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11636
11637	* mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11638
11639	* mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
11640
11641	* mips/mips.md (movdi, movsi): Likewise.
11642
11643	* mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11644
11645	* netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11646
11647	* openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11648
11649	* ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11650	ASM_OUTPUT_ASCII): Likewise.
11651
11652	* rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
11653	output_mi_thunk, output_toc): Likewise.
11654
11655	* rs6000/rs6000.md (movsi): Likewise.
11656
11657	* rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
11658
11659	* tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
11660
11661	* v850/v850.c (print_operand, print_operand_address,
11662	v850_encode_data_area): Likewise.
11663
116642000-03-07  Clinton Popetz  <cpopetz@cygnus.com>
11665
11666	* config/mips/mips.md (zero_extendsidi2): Always force operand
11667	one to memory for mips16.
11668
11669Mon Mar  6 15:22:29 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11670
11671	* tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
11672	(struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
11673	(attribute_hash_list, type_hash_canon): hashcode is now unsigned.
11674	(type_hash_lookup, type_hash_add, type_hash_list): Likewise.
11675	(min_precision): Result is unsigned.
11676	(add_double, neg_double, mul_double): Low word is unsigned.
11677	(lshift_double, rshift_double, lrotate_double): Likewise.
11678	(rrotate_double, div_and_round_double): Likewise.
11679	(tree_floor_log2, compare_tree_int): New functions.
11680	(preserve_rtl_expr_temps): New declaration.
11681	* c-common.c (declare_hidden_char_array): Use compare_tree_int.
11682	(decl_attributes): Use tree_log2 to find alignment.
11683	Check for TREE_INT_CST_HIGH for format args.
11684	(min_precision): Now unsigned.
11685	Use tree_floor_log2.
11686	(truthvalue_conversion): Delete long-disabled code.
11687	* c-decl.c (finish_struct): Clean up tests on field width.
11688	(finish_function): Use compare_tree_int.
11689	* c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
11690	* c-typeck.c (comptypes): Use tree_int_cst_equal.
11691	(default_conversion, digest_init): Use compare_tree_int.
11692	(build_binary_op): Use integer_all_onesp and compare_tree_int.
11693	Fix type errors in forming masks.
11694	* calls.c (initialize_argument_information): Use compare_tree_int.
11695	* dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11696	* except.c (expand_eh_region_start_tree): Use compare_tree_int.
11697	* expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
11698	(store_field): Use compare_tree_int.
11699	(expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
11700	(expand_expr, case ARRAY_REF): Use compare_tree_int.
11701	(do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
11702	(do_store_flag): Use compare_tree_int.
11703	* fold-const.c (encode, decode): Low part is always unsigned.
11704	(force_fit_type, add_double, neg_double, mul_double): Likewise.
11705	(lshift_double, rshift_double, lrotate_double): Likewise.
11706	(rrotate_double, div_and_round_double, int_const_binop): Likewise.
11707	(fold_convert): Use compare_tree_int.
11708	(operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
11709	(invert_truthvalue, case INTEGER_CST): Likewise.
11710	(fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
11711	* mkdeps.c (deps_dummy_targets): Make I unsigned.
11712	* rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
11713	(lshift_double, rshift_double, lrotate_double, rrotate_double):
11714	Likewise.
11715	* stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
11716	(expand_end_case): Use compare_tree_int.
11717	(estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11718	* stor-layout.c (mode_for_size_tree): Use compare_tree_int.
11719	(layout_decl): Likewise.
11720	(layout_record, layout_union): Make sizes unsigned.
11721	(layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
11722	(layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
11723	* tree.c (struct type_hash): hashcode is unsigned.
11724	(build_type_attribute_variant, type_hash_list): Likewise.
11725	(type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
11726	(attribute_hash_list, build_array_type, build_method_type): Likewise.
11727	(build_complex_type): Likewise.
11728	(real_value_from_int_cst): Remove unneeded casts.
11729	(integer_all_onesp): Add casts.
11730	(tree_floor_log2, compare_tree_int): New functions.
11731	(build_index_type): Use tree_int_cst_sgn.
11732	* varasm.c (assemble_variable): Use compare_tree_int.
11733
117342000-03-06  Jason Merrill  <jason@casey.cygnus.com>
11735
11736	* cpphash.c (collect_expansion): Also catch ## at start of macro.
11737
11738	* varasm.c (make_decl_rtl): Don't add a number to members of
11739	local classes.
11740	(make_function_rtl): Likewise.
11741
117422000-03-06  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
11743
11744	* gcse.c (compute_can_copy): Adjust if/else blocks from rth's
11745	patch from 2000-01-28.
11746
117472000-03-06  Clinton Popetz  <cpopetz@cygnus.com>
11748
11749	* config/sh/sh.c: (barrier_align): Handle a delay slot that is
11750	filled with an insn from the jump target.
11751
117522000-03-07  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
11753
11754	* config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
11755	(c4x_external_ref): Likewise.
11756	* config/c4x/c4x.c (struct name_list): Likewise.
11757
117581999-12-16  Ben Collins  <bcollins@debian.org>
11759
11760	* Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
11761	argument to genmultilib.
11762	* genmultilib: accept new MULTILIB_EXCLUSIONS option and output
11763	the contents into the multilib.h header.
11764	* gcc.c: Declare multilib_exclusions for the specs file.
11765	(set_multilib_dir): Use it.
11766	(print_multilib_info): Likewise.
11767	* t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
11768	to pass to genmultilib.
11769
117702000-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11771
11772	* builtins.c (built_in_class_names, built_in_names): Constify a
11773	char*.
11774
11775	* gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
11776	int.
11777	(_mcleanup): Ensure value matches format specifier in sprintf.
11778
11779	* cpphash.c (special_symbol): Don't needlessly cast away
11780	const-ness.
11781
11782	* cppinit.c (base_name): Delete unused prototype.
11783
11784	* mkdeps.c (deps_init): Make definition K&R safe.
11785
11786	* tree.h (built_in_class_names, built_in_names): Constify a
11787	char*.
11788
117892000-03-06  Jakub Jelinek  <jakub@redhat.com>
11790
11791	* config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
11792	floating point instructions for epilogue delay.
11793
11794	* config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
11795	to gas if it supports .register pseudo.
11796
11797	* real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
11798	LONG_DOUBLE_TYPE_SIZE if not defined.
11799	Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
11800	LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
11801	* real.c: Likewise.
11802	* gengenrtl.c: Likewise.
11803	* print-rtl.c: Likewise.
11804	* rtl.c: Likewise.
11805	* config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
11806	MASK_LONG_DOUBLE_128.
11807	* config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
11808	* config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
11809	* config/sparc/linux64 (TARGET_DEFAULT): Likewise.
11810	(SUBTARGET_SWITCHES): Define.
11811	(CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
11812	with -mlong-double-128.
11813	(LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11814	(MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11815	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11816	(CC1_SPEC): Include -mlong-double-{64,128} as needed.
11817	* config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
11818	(CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
11819	with -mlong-double-128.
11820	(LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11821	(MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11822	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11823	* config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
11824	TARGET_LONG_DOUBLE_128): Define.
11825	* config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
11826	* config/sparc/sparc.c (sparc_override_options): Disallow 64bit
11827	long double on TARGET_ARCH64.
11828
118292000-03-06  Mark Mitchell  <mark@codesourcery.com>
11830
11831	* function.c (free_temps_for_rtl_expr): Don't free slots
11832	that have been pushed into a higher level.
11833
11834	Revert this patch:
11835	2000-03-05  Mark Mitchell  <mark@codesourcery.com>
11836
118372000-03-05  Mark Mitchell  <mark@codesourcery.com>
11838
11839	* basic-block.h (ALLOCA_REG_SET): Remove.
11840	(INITIALIZE_REG_SET): New macro.
11841	* flow.c (update_life_info): Use it.
11842	(calculate_global_regs_live): Likewise.
11843	(propagate_block): Likewise.
11844	* global.c (build_insn_chain): Likewise.
11845	* haifa-sched.c (schedule_region): Likewise.
11846
118472000-03-05  Stephane Carrez  <stcarrez@worldnet.fr>
11848
11849	* dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
11850	(ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
11851	(DWARF_ARANGES_PAD_SIZE): New define.
11852	(output_aranges): Use it to pad the address range header.
11853	(DWARF_ROUND): Fix for non power of 2 rounding.
11854
118552000-03-05  Jason Merrill  <jason@casey.cygnus.com>
11856
11857	* mkdeps.c (deps_calc_target): Remove incorrect 'const'.
11858
118592000-03-05  Mark Mitchell  <mark@codesourcery.com>
11860
11861	* tree.def (RTL_EXPR): Update documentation.
11862	* tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
11863	* expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
11864	* function.c (preserve_rtl_expr_temp): New function.
11865	(preserve_rtl_expr_temps): Likewise.
11866	(preserve_rtl_expr_result): Use it.
11867
11868	Revert this patch:
11869	2000-03-04  Mark Mitchell  <mark@codesourcery.com>
11870
118712000-03-04  Thomas Schuster <Thomas.Schuster@gmx.net>
11872
11873	* regmove.c (copy_src_to_dest)  Do not create src->dest move
11874	for unchanging destination.
11875
118762000-03-04  Mark Mitchell  <mark@codesourcery.com>
11877
11878	* function.h (struct sequence_stack): Remove rtl_expr.
11879	(struct emit_staus): Likewise.
11880	(seq_rtl_expr): Remove.
11881	* tree.h (free_temps_for_rtl_expr): Don't declare.
11882	(start_sequence_for_rtl_expr): Likewise.
11883	* rtl.h (preserve_rtl_expr_result): Likewise.
11884	* emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
11885	(start_sequence_for_rtl_expr): Remove.
11886	(push_topmost_sequence): Don't save sequence_rtl_expr.
11887	(pop_topmost_sequence): Remove comment about not restoring it.
11888	(end_sequence): Don't set seq_rtl_expr.
11889	(init_emit): Don't initialize it.
11890	(mark_sequence_stack): Don't mark it.
11891	(mark_emit_status): Likewise.
11892	* except.c (protect_with_terminate): Use
11893	start_sequence_for_rtl_expr, not start_sequence.
11894	* expr.c (expand_expr, case RTL_EXPR): Don't call
11895	preserve_rtl_expr_result or free_temps_for_rtl_expr.
11896	* function.c (assign_stack_temp_for_type): Don't set rtl_expr.
11897	(preserve_rtl_expr_result): Remove.
11898	(free_temps_for_rtl_expr): Likewise.
11899	(pop_temp_slots): Likewise.
11900	(mark_temp_slot): Don't mark the rtl_expr.
11901	* stmt.c (expand_start_stmt_expr): Use start_sequence, not
11902	start_sequence_for_rtl_expr.
11903
119042000-03-04  Zack Weinberg  <zack@wolery.cumb.org>
11905
11906	* mkdeps.c, mkdeps.h: New files.
11907	* po/POTFILES.in: Add them.
11908	* Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
11909	(cpplib.o, cppinit.o): Depend on mkdeps.h.
11910	(mkdeps.o): New target.
11911
11912	* cppfiles.c: Delete deps_output.
11913	* cppinit.c: Include mkdeps.h.  Delete known_suffixes,
11914	OBJECT_SUFFIX, and base_name.
11915	(cpp_cleanup): Use deps_free.  Free ihash->name when clearing
11916	the include hash.
11917	(initialize_dependency_output): Use deps_init,
11918	deps_add_target, deps_calc_target, and deps_add_dep.  Remove
11919	all the unnecessary string bashing.
11920	(cpp_finish): Use deps_write.  Remove an unnecessary nesting
11921	level.
11922	* cpplib.c (do_include): Use deps_add_dep.
11923	* cpplib.h (struct cpp_reader): Replace deps_buffer,
11924	deps_allocated_size, deps_size, deps_column members with
11925	single pointer to a struct deps.  Delete prototype of
11926	deps_output.
11927
11928	* cppinit.c: Fix thinko in previous patch.
11929
11930Sat Mar  4 11:32:30 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11931
11932	* machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
11933	* stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
11934	(mode_for_size_tree): New function.
11935	(layout_decl, layout_type): Call it and clean up BLKmode checks.
11936	* tree.h (mode_for_size_tree): New declaration.
11937
11938	* toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
11939
119402000-03-04  Jason Merrill  <jason@casey.cygnus.com>
11941
11942	* stmt.c (is_body_block): Move...
11943	* dwarfout.c, dwarf2out.c: ...from here.
11944	* tree.h: Declare it.
11945	* emit-rtl.c (remove_unnecessary_notes): Don't remove the body block.
11946	* final.c (final_start_function): Do call remove_unnecessary_notes
11947	when scheduling.
11948
119492000-03-03  Zack Weinberg  <zack@wolery.cumb.org>
11950
11951	* config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
11952
11953	* cpplib.h (_dollar_ok): New macro.
11954	(is_idchar, is_idstart): Use it.
11955	(IStable): Rename to _cpp_IStable.  Declare it const if
11956	gcc >=2.7 or C99.  Delete all references to FAKE_CONST.
11957	(is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
11958	is_space): Update for renamed IStable.
11959
11960	* cppinit.c: Delete all references to FAKE_CONST and CAT
11961	macros. Define init_IStable as empty macro if gcc >=2.7 or
11962	C99. Change TABLE() to ISTABLE and hardcode name of table.
11963	(cpp_start_read): Don't change the IStable based on
11964	dollars_in_ident.
11965
11966	* cpphash.c (unsafe_chars): Add pfile argument.  All callers
11967	changed.  Handle '$' for char1 correctly.
11968	* cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
11969
11970	* cppexp.c (tokentab2): Make const.
11971	(cpp_lex): Make toktab const.
11972	* cppinit.c (include_defaults_array): Make const.
11973	(initialize_standard_includes): Make default_include const.
11974
119752000-03-03  Jason Merrill  <jason@casey.cygnus.com>
11976
11977	* dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
11978	(dwarf2out_decl): Functions can now have DECL_IGNORED_P.
11979	(gen_decl_die): Likewise.
11980	* dwarfout.c (dwarfout_file_scope_decl): Likewise.
11981	(output_decl): Likewise.
11982
11983	* varasm.c (make_function_rtl): If we change the name used in the
11984	rtl, update DECL_ASSEMBLER_NAME accordingly.
11985	(make_decl_rtl): Likewise.
11986
11987	* toplev.c (rest_of_compilation): Tweak formatting.
11988
11989	* toplev.c (rest_of_compilation): find_loop_tree_blocks before
11990	remove_unnecessary_notes.
11991	(debug_ignore_block): New fn.
11992	* toplev.h: Declare it.
11993	* emit-rtl.c (remove_unnecessary_notes): Call it.
11994	* dwarf2out.c (dwarf2out_ignore_block): New fn.
11995	* dwarf2out.h: Declare it.
11996	* final.c (final_start_function): Don't call remove_unnecessary_notes
11997	if we did insn scheduling.
11998
119992000-03-03  Zack Weinberg  <zack@wolery.cumb.org>
12000
12001	* cppinit.c (cpp_handle_option): Set opts->pedantic directly.
12002	* cpplib.h: Delete SET_CPP_PEDANTIC.
12003
12004Fri Mar  3 14:56:12 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12005
12006	* expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
12007	result is a RECORD_TYPE.
12008
120092000-03-03  Jonathan Larmour  <jlarmour@cygnus.co.uk>
12010
12011	* mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
12012
120132000-03-03  Richard Henderson  <rth@cygnus.com>
12014
12015	* alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
12016	addition over compliments over shifts.
12017
12018Fri Mar  3 12:49:28 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
12019
12020	* reload1.c (reload_combine_note_use): Handle return register USEs.
12021	REG case: Handle multi-hard-register hard regs.
12022
12023Fri Mar  3 07:38:34 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12024
12025	* md.texi: Document use of '*' in insn pattern name.
12026
120272000-03-03  Jason Merrill  <jason@casey.cygnus.com>
12028
12029	* calls.c (special_function_p): operator new may not be malloc-like.
12030
12031	* gcse.c (dump_hash_table): Really fix error in last change.
12032
120332000-03-02  Denis Chertykov  <denisc@overta.ru>
12034
12035	* avr.c (print_operand): Use print_operand_address instead of
12036	output_addr_const.
12037	* avr/libgcc.S: Cleanup code.
12038
120392000-03-02  Richard Henderson  <rth@cygnus.com>
12040
12041	* alpha.c (alpha_emit_set_const_1): Also try c + small constant.
12042
120432000-03-02  Mark Mitchell  <mark@codesourcery.com>
12044
12045	* tree.h (TYPE_ALIGN_UNIT): New macro.
12046
120472000-03-02  Clinton Popetz  <cpopetz@cygnus.com>
12048
12049	* i386.c: (constant_call_address_operand): Reject CONST_INT.
12050
120512000-03-02  Jason Merrill  <jason@casey.cygnus.com>
12052
12053	* cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
12054	for the buffer.
12055	(SET_CPP_PEDANTIC): New macro.
12056	* cpplib.c (do_include): Don't bother checking system_header_p.
12057	(do_warning, do_ident, do_assert, do_unassert): Likewise.
12058	* cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
12059
12060	* function.h (struct expr_status): Add x_arg_space_so_far.
12061	(arg_space_so_far): New macro.
12062	* expr.c (init_expr): Initialize it.
12063	* calls.c (emit_call_1): Reset it.
12064	(compute_argument_block_size, expand_call): Use it.
12065	(expand_call, store_one_arg): Increment it.
12066
12067Thu Mar  2 17:27:13 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12068
12069	* varasm.c (output_constant): Strip off a CONVERT_EXPR to
12070	a UNION_TYPE.
12071
120722000-03-02  Zack Weinberg  <zack@wolery.cumb.org>
12073
12074	* cppfiles.c (cpp_read_file): New function.
12075
12076	* cpphash.c (collect_expansion): Make sure to reset last_token
12077	to NORM when we hit a string.  Handle trailing whitespace
12078	properly when the expansion is empty.
12079	(create_definition): Disable line commands while parsing the
12080	directive line.
12081	(dump_definition): If pfile->lineno == 0, output a line
12082	command ahead of the dump, and add a trailing newline.
12083
12084	* cppinit.c (append_include_chain): Add fifth argument, which
12085	indicates whether or not system headers are C++ aware.
12086	(initialize_standard_includes): New function,
12087	broken out of read_and_prescan.  Pass 'cxx_aware' value from
12088	the include_defaults_array on to append_include_chain.
12089	(dump_special_to_buffer): Const-ify char array.
12090	(builtin_array): Don't dump __BASE_FILE__.
12091	(cpp_start_read): Use cpp_read_file.  Reorder code for
12092	clarity.  Don't output line commands here for -D/-A/-U
12093	switches.  Don't call deps_output for files included with
12094	-include or -imacros.
12095
12096	* cpplib.c (do_define): Don't pay any attention to the second
12097	argument.
12098	(cpp_expand_to_buffer): Disable line commands while scanning.
12099	(output_line_command): Work in the file buffer.
12100	* cpplib.h: Remove no_record_file flag from struct cpp_reader.
12101	Fix formatting of comments.  Prototype cpp_read_file.
12102
12103Thu Mar  2 13:29:46 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12104
12105	* c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
12106	reference the language-equivalent of sizetype.
12107	* c-typeck.c (comptypes): Treat sizetype like its language equivalent.
12108	* fold-const.c (size_binop, size_diffop): Put back checks.
12109	* gcse.c (dump_hash_table): Fix minor error in last change.
12110	* stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
12111	Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
12112	all sizetypes.
12113
12114Thu Mar  2 12:48:45 MET 2000  Jan Hubicka  <jh@suse.cz>
12115
12116	* calls.c (expand_call)  Do not attempt to combine stack adjustments
12117	with inhibit_defer_pop set.
12118
121192000-03-01  Mark Mitchell  <mark@codesourcery.com>
12120
12121	* stor-layout.c (layout_decl): Allow front-ends to explicitly set
12122	the DECL_SIZE for a FIELD_DECL.
12123
121242000-03-01  Bruce Korb  <bkorb@gnu.org>
12125
12126	* fixinc/inclhack.tpl: remove unused symlinks
12127	* fixinc/README: GCC Maintainer info
12128	* fixinc/inclhack.sh: regen
12129	* fixinc/fixincl.sh: regen
12130
121312000-03-01  Zack Weinberg  <zack@wolery.cumb.org>
12132
12133	* cpphash.c (collect_expansion): Trim trailing white space
12134	from macro definitions, but don't go past the last insertion
12135	point.
12136
12137Wed Mar  1 12:14:31 MET 2000  Jan Hubicka  <jh@suse.cz>
12138
12139	* i386.md (mulqi3): New pattern.
12140
121412000-02-29  Zack Weinberg  <zack@wolery.cumb.org>
12142
12143	* cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
12144	token types.
12145	(struct cpp_reader): Add parsing_if_directive and
12146	parsing_define_directive flags.
12147	(struct cpp_options): Remove output_conditionals flag.
12148	(check_macro_name): Delete prototype.
12149
12150	* cpphash.h (struct macrodef): Delete.
12151	(struct reflist): Separate from struct definition.
12152	(struct definition): Remove unused fields.  Add column number.
12153	(create_definition): Returns a DEFINITION *.  Takes a
12154	cpp_reader * and an int.
12155
12156	* cpphash.c (SKIP_WHITE_SPACE): Delete.
12157	(PEEKC): Copy defn from cpplib.c.
12158	(rest_extension, REST_EXTENSION_LENGTH): Delete.
12159	(struct arg): New.
12160	(struct arglist): Simplify.
12161	(collect_expansion): Rewrite.  Get tokens by calling
12162	cpp_get_token.  Add more error checking.
12163	(collect_formal_parameters): New function, broken out of
12164	create_definition and reworked to use get_directive_token.
12165	(create_definition): All real work is now in collect_expansion
12166	and collect_formal_parameters.  do_define handles finding the
12167	macro name.  Return a DEFINITION, not a MACRODEF.
12168	(macroexpand): Replace bcopy with memcpy throughout.  Replace
12169	character-at-a-time copy loop with memcpy and pointer increments.
12170	(compare-defs): d1->argnames / d2->argnames might be null.
12171
12172	* cpplib.c (copy_rest_of_line): Delete function.
12173	(skip_rest_of_line): Do all the work ourselves.
12174	(skip_string): New function.
12175	(parse_string): Use skip_string.
12176	(get_macro_name): New function.
12177	(check_macro_name): Delete.
12178	(copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
12179	(cpp_skip_hspace): Use CPP_BUMP_LINE.
12180	(handle_directive): ICE if we're called on a macro buffer.
12181	(do_define): Determine macro name and type (funlike/objlike)
12182	here.  Expunge all uses of MACRODEF.
12183	(cpp_push_buffer): Set line_base to NULL.
12184	(do_undef, read_line_number): Don't worry about getting a POP token.
12185	(eval_if_expression): Set/reset parsing_if_directive around
12186	cpp_parse_expr. Don't clear only_seen_white.
12187	(skip_if_group): Remove output_conditionals logic.  Use
12188	skip_rest_of_line.
12189	(cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
12190	tokens under appropriate conditions.
12191	(cpp_unassert): Call do_unassert not do_assert.  Oops.
12192
12193	* cppexp.c (parse_defined): New function, break out of
12194	cpp_lex.
12195	(cpp_lex): We now get CPP_ASSERTION tokens and can check them
12196	ourselves, with cpp_defined.
12197	* cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
12198
12199	* gcc.dg/20000209-2.c: Turn off -pedantic-errors.
12200	* gcc.dg/strpaste-2.c: New.
12201
122022000-02-29  Mark Mitchell  <mark@codesourcery.com>
12203
12204	* fold-const.c (size_binop): Don't asert inputs are the same and
12205	have TYPE_IS_SIZETYPE set.
12206	(size_diffop): Likewise.
12207
122082000-02-29  Jason Merrill  <jason@casey.cygnus.com>
12209
12210	* dwarfout.c (output_block): Output abstract blocks even if they
12211	don't have TREE_ASM_WRITTEN set.
12212
12213	* calls.c (emit_library_call): Check for null REG.
12214
122152000-03-01  Martin von Loewis  <loewis@informatik.hu-berlin.de>
12216
12217	* c-decl.c (current_function_decl): Move to toplev.c.
12218	(init_decl_processing): Don't add current_function_decl as a ggc
12219	root here.
12220	* dbxout.c (dbxout_symbol): Change return type to int.
12221	(dbxout_symbol_location, dbxout_syms): Likewise.
12222	(dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
12223	any locals. Use current_function_func_begin_label if set.
12224	* dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
12225	* dwarf2out.c (dwarf2out_begin_prologue): Set
12226	current_function_func_begin_label.
12227	* final.c (final_start_function): Reset it.
12228	* toplev.c (current_function_decl): Define it here.
12229	(current_function_func_begin_label): New variable.
12230	(main): Add both as ggc roots.
12231	* tree.h (current_function_func_begin_label): Declare.
12232
12233Tue Feb 29 14:07:04 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12234
12235	* gcse.c: Cleanups throughout: mostly white-space, but also
12236	some minor rearrangement of code.
12237
12238Tue Feb 29 10:45:59 2000  Jeffrey A Law  (law@cygnus.com)
12239
12240	* calls.c (emit_library_call): Do not abort if FUNCTION_ARG
12241	returns a PARALLEL.  Use emit_group_load and use_group_regs
12242	as needed.
12243	(emit_library_call_value): Similarly.
12244
12245	* pa/t-pa: Use quadlib.c instead of quadlib.asm.
12246	* pa/quadlib.asm: Remove.
12247	* pa/quadlib.c: New file.
12248
12249	* configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
12250	* configure: Rebuilt.
12251
122522000-02-29  Philip Blundell  <pb@futuretv.com>
12253
12254	* config/arm/conix-elf.h: New file.
12255	* configure.in (arm*-*-conix*): New configuration.
12256	* configure: Regenerate.
12257
122582000-02-28  Jason Merrill  <jason@casey.cygnus.com>
12259
12260	* dwarf2out.c (gen_block_die): Output abstract blocks even if they
12261	don't have TREE_ASM_WRITTEN set.
12262
12263Mon Feb 28 21:07:59 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12264
12265	* Eliminate DECL_FIELD_SIZE.
12266	* builtins.c (built_in_class_names, built_in_names): New variables.
12267	* c-decl.c (finish_struct): Set specified size in DECL_SIZE.
12268	* expr.c (expand_expr, case COMPONENT_REF): Get field size from
12269	DECL_SIZE, not DECL_FIELD_SIZE.
12270	* print-tree.c (print_node): Remove code that prints extra blank
12271	lines in some cases.
12272	Properly handle inline and builtin function cases.
12273	* stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
12274	* tree.h (built_in_class_named, built_in_names): New declarations.
12275	(union tree_decl): Rename internal unions to u1 and u2 and change
12276	some of their components.
12277	Add new field built_in_class.
12278	(DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
12279	Reflect above changes.
12280	(DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
12281	(DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
12282	* objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
12283	(encode_field_decl): Likewise; also remove obsolete test for bitfield.
12284
122852000-02-28  Dmitri Makarov  <dim@windriver.com>
12286
12287	* extend.texi: Document ARM's support for long/short calls.
12288
12289	* invoke.texi: Document ARM's -mlong-calls command line switch.
12290
12291	* config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
12292	(arm_encode_call_attribute): Add prototype.
12293	(arm_set_default_type_attribute): Add prototype.
12294	(arm_strip_name_encoding): Add prototype.
12295
12296	* config/arm/arm.c (arm_init_cumulative_args): replace
12297	initialisation og 'long_calls' field with initialisation of
12298	'call_cookie' field.
12299	(enum arm_pragma_enum): New enum.
12300	(arm_pragma_long_calls): New static variable.
12301	(arm_process_pragma): Also process "#pragma long_calls_off".
12302	(arm_valid_type_attribute_p): Accept short_call attribute.
12303	(arm_comp_type_attributes): Check long/short call attributes.
12304	(arm_encode_call_attribute):  New function:  Encode long_call
12305	or short_call attribute in function name.
12306	(arm_set_default_type_attributes): New function: Assign
12307	default attributes to newly defined type.
12308	(current_file_function_operand): New function: Return true if
12309	the symbol is a function which has already been compiled.
12310	(arm_is_longcall_p): New function: Return true if the
12311	indicated function should be called via a long call.
12312	(arm_get_strip_length): New function.  Returns number of
12313	prefix characters to be stripped from a function's name.
12314	(arm_strip_name_encoding): New function.  Strip prefix characters
12315	from a function's name.
12316
12317	* config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
12318	with 'call_cookie'.
12319	(SHORT_CALL_FAG_CHAR): Define.
12320	(LONG_CALL_FAG_CHAR): Define.
12321	(ENCODED_SHORT_CALL_ATTR_P): Define.
12322	(ENCODED_LONG_CALL_ATTR_P): Define.
12323	(ARM_NAME_ENCODING_LENGTHS): Define.
12324	(STRIP_NAME_ENCODING): Define.
12325	(ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
12326	(ARM_ENCODE_CALL_TYPE): Define.
12327	(ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
12328	(ARM_DECLARE_FUNCTION_SIZE): Define.
12329	(SET_DEFAULT_TYPE_ATTRIBUTES): Define.
12330
12331	* config/arm/arm.md (call): Call arm_is_longcall_p to decide
12332	if a long call is needed.
12333	(call_value): Ditto.
12334	(call_symbol): Ditto.
12335
12336	* config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
12337	ARM_DECLARE_FUNCTION_SIZE.
12338
12339	* config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
12340	(SUBTARGET_NAME_ENCODING_LENGTHS): Define.
12341	(ARM_STRIP_NAME_ENCODING): Undefine.
12342	(STRIP_NAME_ENCODING): Undefine.
12343	(ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
12344	(ASM_DECLARE_FUNCTION_NAME): Ditto.
12345	(ASM_OUTPUT_COMMON): Ditto.
12346	(ASM_DECLARE_OBJECT_NAME): Ditto.
12347
12348	* config/arm/pe.c (arm_dllexport_name_p): Check for
12349	ARM_PE_FLAG_CHAR.
12350	(arm_dllimport_name_p): Ditto.
12351	(arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
12352	(arm_mark_dllimport): Ditto.
12353
12354Mon Feb 28 22:11:12 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
12355
12356	* sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
12357
123582000-02-28  Mark Mitchell  <mark@codesourcery.com>
12359
12360	* xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
12361
123622000-02-28  Zack Weinberg  <zack@wolery.cumb.org>
12363
12364	* tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
12365	* cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
12366	NO_BUILTIN_WCHAR_TYPE is not defined.
12367	(CPP_WCHAR_TYPE): Delete.
12368	* cccp.c (main): Don't change wchar_type if cplusplus.
12369	(special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
12370
123712000-02-28  Nick Clifton  <nickc@cygnus.com>
12372
12373	* config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
12374
12375Mon Feb 28 14:21:15 2000  Catherine Moore  <clm@cygnus.com>
12376
12377	* config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
12378	(ASM_WEAKEN_LABEL): Define.
12379
12380Mon Feb 28 13:07:19 MET 2000  Jan Hubicka  <jh@suse.cz>
12381
12382	* expr.c (store_constructor): Do not emit USE.
12383	* rtl.h (stupid_life_analysis): Remove.
12384
12385Mon Feb 28 07:03:27 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12386
12387	* function.c (number_blocks): Reset next_block_index based on
12388	what debugging format is used, not what is defined.
12389
12390	* lcm.c: Minor reformatting throughout.
12391	(reg_dies, reg_becomes_live): Properly handle multiple hard regs.
12392
12393	* toplev.c (rest_of_compilation): Account for time in
12394	optimize_mode_switching.
12395
12396	* jump.c (jump_optimize_1): Don't call delete_barrier_successors
12397	if only marking labels.
12398
12399Mon Feb 28 12:53:57 MET 2000  Jan Hubicka  <jh@suse.cz>
12400
12401	* calls.c (expand_call): Attempt to combine stack adjustments with
12402	pending stack adjustments.
12403
12404Mon Feb 28 11:34:43 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
12405
12406	* loop.c (reg_in_basic_block_p): Don't abort when falling through
12407	to the end of the function.
12408
124092000-02-27  Mark Mitchell  <mark@codesourcery.com>
12410
12411	* emit-rtl.c (remove_unnecessary_notes): Remove notes for empty
12412	blocks.
12413	* final.c (next_block_index): Remove.
12414	(max_block_depth): Likewise.
12415	(pending_blocks): Likewise.
12416	(init_final): Don't initialize them.
12417	(final_start_function): Don't set next_block_index.  Set up
12418	BLOCK_NUMBER.
12419	(final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12420	* function.h (number_blocks): New function.
12421	* function.c (get_block_vector): New function.
12422	(identify_blocks): Use it.
12423	(reorder_blocks): Set NOTE_BLOCK.
12424	(number_blocks): New function.
12425	* tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12426	* tree.h (BLOCK_NUMBER): New macro.
12427	(tree_block): Add block_num field.
12428	* dbxout.c (next_block_number): Remove.
12429	(dbxout_init): Don't set it.
12430	(dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12431	set.  Use BLOCK_NUMBER, rather than next_block_num, to determine
12432	block numbers.
12433	* toplev.c (rest_of_compilation): Always call
12434	find_loop_tree_blocks.  Fix indentation.
12435	* dwarf2out.c (next_block_number): Remove.
12436	(gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12437	to determine block numbers.
12438	(gen_inlined_subroutine_die): Likewise.
12439	(gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12440	(decls_for_scope): Don't increment next_block_number.
12441	* dwarfout.c (next_block_number): Remove.
12442	(output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12443	to determine block numbers.
12444	(output_inlined_subroutine_die): Likewise.
12445	(output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12446	(output_decls_for_scope): Don't increment next_block_number.
12447	* sdbout.c (next_block_number): Remove.
12448	(sdbout_block): Use BLOCK_NUMBER.
12449	(sdbout_begin_block): Simplify.
12450	* xcoffout.c (next_block_number): Remove.
12451	(xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12452	(xcoffout_begin_block): Don't set next_block_number.
12453	(xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12454	next_block_number.
12455
12456Sun Feb 27 16:40:33 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12457
12458	* builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12459	(expand_builtin_strcpy): Pass correct type to size_binop.
12460	(expand_builtin_strcmp): Likewise.
12461	Clean up conditional structure.
12462	* c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12463	(complete_array_type): Don't use size_binop for MAXINDEX.
12464	* c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12465	(c_sizeof_nowarn, c_size_in_bytes): Likewise.
12466	(c_alignof): Use size_one_node.
12467	(build_unary_op): Pass arg of proper type to size_binop.
12468	(really_start_incremental_init, push_init_level): Use sizetype for
12469	constructor{,_bit,_unfilled}_index.
12470	(pop_init_label, output_init_element): Likewise.
12471	(output_pending_init_elements, process_init_element): Likewise.
12472	* calls.c (compute_argument_block_size): Field VAR is ssizetype.
12473	* expr.c (store_expr): Use size_int.
12474	(store_constructor): Use proper types for size_binop args.
12475	(get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12476	(expand_expr_unaligned): Likewise.
12477	(string_contant): Return object of sizetype.
12478	* expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12479	(ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12480	(ARGS_SIZE_TREE): Pass proper types to size_binop.
12481	* fold-const.c (int_const_binop): Refine when size_int is called.
12482	(fold_convert): Likewise.
12483	(size_int_wide): Rework to take KIND as arg, only take low order
12484	bits, handle new sizetype_tab datatype, and chain entries in
12485	size_table.
12486	(size_int_type_wide): New function.
12487	(size_binop): Validate types of arguments.
12488	(ssize_binop): Deleted.
12489	(size_diffop): New function.
12490	(extract_muldiv): Only fold division into multiplication for sizetypes.
12491	* function.c (assign_parms): Use size_diffop and make sure
12492	VAR field is of ssizetype; also pass proper type to size_binop.
12493	(locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12494	(round_down): Deleted from here.
12495	* store-layout.c (sizetype_tab): Now an array.
12496	(sizetype_set, early_root_list): New variables.
12497	(variable_size): Use size_one_node.
12498	(round_up): Pass proper type to size_binop.
12499	(round_down): Moved to here and corrected as above.
12500	(layout_record): Pass proper arg types to size_binop.
12501	(layout_type): Likewise.
12502	If sizetype_set is zero, record the type just laid out.
12503	(make_unsigned_type): Don't call set_sizetype;
12504	(make_signed_type): Likewise; also, call fixup_signed_type.
12505	(initialize_sizetypes): New function.
12506	(set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12507	set name of bitsizetype to "bit_size_type".
12508	Fix up type of sizes of all types made before call.
12509	* tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12510	* tree.c (fix_sizetype): Deleted.
12511	(build_common_tree_nodes): Call initialize_sizetypes.
12512	(build_common_tree_nodes_2): Don't call fix_sizetype.
12513	* tree.h (TYPE_IS_SIZETYPE): New macro.
12514	(initialize_sizetype): New declaration.
12515	(enum size_type_kind): New type.
12516	(struct sizetype_tab): Deleted.
12517	(sizetype_tab): Now array; adjust sizetype macros.
12518	(size_diffop, size_int_type_wide): New functions.
12519	(size_int_wide): Change number of args and type; access macros changed.
12520	(ssize_int, sbitsize_int): New macros.
12521	* config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12522	(ROUND_TYPE_SIZE_UNIT): New macro.
12523
125242000-02-27  Zack Weinberg  <zack@wolery.cumb.org>
12525
12526	* c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12527
12528Sun Feb 27 07:44:17 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12529
12530	* gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12531	Mark as possibly unused.
12532
12533	* cse.c (cse_insn): Delete dead code involving tablejump.
12534	Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12535
12536	* Makefile.in (libcpp.a): Start by deleting it.
12537
125382000-02-27  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
12539
12540	* cpplib.h (enum file_change_code): Added rename_file.
12541	* cpplib.c (do_line): If a filename is given, set file_change to
12542	rename_file.
12543	(output_line_command): If file_change is rename_file, always
12544	output a # directive with the file name.
12545
12546	* cpplib.c (do_pragma): Accept #pragma without consecutive token.
12547
125482000-02-26  Mark Mitchell  <mark@codesourcery.com>
12549
12550	* integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
12551	when copying a PARM_DECL or RESULT_DECL.
12552
125532000-02-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12554
12555	* fix-header.c (recognized_function): Also fix prototypes for
12556	functions taking "void".
12557
125582000-02-26  Geoff Keating  <geoffk@cygnus.com>
12559
12560	* reload1.c (do_output_reload): Check reg_reloaded_valid before
12561	looking at reg_reloaded_contents.
12562
125632000-02-26  Zack Weinberg  <zack@wolery.cumb.org>
12564
12565	* Makefile.in (STMP_FIXINC): New toggle.
12566	(LIBGCC2_DEPS): Delete all references.
12567	(stmp-headers): Delete target.  All references either deleted
12568	or changed to stmp-int-headers.
12569	(all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
12570	(LIBCPP_OBJS): Take out cppalloc.o.
12571	(cppalloc.o): Delete target.
12572	(stmp-int-hdrs): Depend on $(STMP_FIXINC).
12573	(gen-protos, fix-header): Link with libiberty.a.
12574	* build-make: Don't change FIXINCLUDES.  Override STMP_FIXINC
12575	to empty.
12576
12577	* configure.in: Remove refs to strerror.
12578	* acconfig.h: Take out NEED_DECLARATION_STRERROR.
12579	* system.h: Take out strerror stanza.
12580
12581	* cpperror.c (my_strerror): Delete function.
12582	(cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
12583	* cppmain.c (main): Call xmalloc_set_program_name first thing.
12584	* cppalloc.c: Delete file.
12585	* gen-protos.c: Don't provide xrealloc.
12586
12587	* fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
12588	xstrerror throughout.
12589
125902000-02-26  Bruce Korb  <bkorb@gnu.org>
12591
12592	* fixinc/inclhack.def (undefine_null): the bypass pattern needs to
12593	match for DOS headers, too.
12594	* fixinc/inclhack.sh,fixincl.x: Regenerate.
12595
125962000-02-26  Geoff Keating  <geoffk@cygnus.com>
12597
12598	* config/elfos.h (ASM_OUTPUT_LABELREF): Don't define.  The default
12599	is right for most ELF targets.
12600	* config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
12601	Let the default file use %U properly.
12602	* config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define.  Use the
12603	default.
12604
12605	* config/fp-bit.c (pack_d): Properly handle rounding of denormal
12606	numbers.
12607
12608Sat Feb 26 09:39:16 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12609
12610	* toplev.c (documented_lang_options): Correct spelling error.
12611	(decode_d_option, decode_f_option, main): Likewise.
12612
12613	* toplev.c (print_time): Avoid SIGFPE when all_time is zero.
12614
12615	* config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
12616	to tell assembler it is permitted to expand large constants.
12617
126182000-02-25  Mumit Khan  <khan@xraylith.wisc.edu>
12619
12620	* protoize.c: (AUX_INFO_SUFFIX): New macro.
12621	(aux_info_suffix): Use.
12622	(SAVE_SUFFIX): New macro.
12623	(save_suffix): Use.
12624	(munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
12625	(gen_aux_info_file): Use aux_info_suffix instead of ".X".
12626	(edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
12627
12628	* invoke.texi (Running Protoize): Update documentation.
12629
126302000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
12631
12632	* i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
12633
126342000-02-25  John Wehle  (john@feith.com)
12635
12636	* rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
12637
126382000-02-25  Anthony Green  <green@cygnus.com>
12639
12640	* toplev.c (rest_of_compilation): Rebuild jump labels if
12641	combine_instructions has created a new direct jump.
12642	* combine.c (try_combine): Add new_direct_jump_p argument.  Set it
12643	when appropriate.
12644	(combine_instructions): Call try_combine with new argument.
12645	Return non-null value when new direct jump instruction is created.
12646	* rtl.h: combine_instructions returns an int.
12647
12648Fri Feb 25 19:49:08 2000  Jeffrey A Law  (law@cygnus.com)
12649
12650	* cse.c (cse_insn): Replace the PATTERN of the insn with an new
12651	jump when changing a computed jump into a jump to a known
12652	target.
12653
12654Fri Feb 25 19:22:44 2000  Graham Stott <grahams@rcp.co.uk>
12655
12656	* resource.c (mark_referenced_resources): Changed use SET_DEST (...)
12657	to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
12658
12659	* i386.md (define_expand "clrstrsi"): Fix typo.
12660
12661Fri Feb 25 18:49:39 2000  "K. Richard Pixley" <rich@microunity.com>
12662
12663	* rtl.texi: Fix typo.
12664
12665Fri Feb 25 20:02:35 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
12666
12667	* sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
12668	UNITS_PER_WORD.  Change caller initial_elimination_offset.
12669	(rounded_frame_size): Take into account that argument pushed has
12670	changed.  Fix TARGET_ALIGN_DOUBLE problem.
12671
126722000-02-25  Geoff Keating  <geoffk@cygnus.com>
12673
12674	* haifa-sched.c (schedule_block): Explain the real reason
12675	we delete REG_SAVE_NOTEs on the first insn of a block.
12676	Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
12677
126782000-02-24  Mark Mitchell  <mark@codesourcery.com>
12679
12680	* input.h (push_srcloc): New function.
12681	(pop_srcloc): Likewise.
12682	* toplev.c (push_srcloc): Define it.
12683	(pop_srcloc): Likewise.
12684
126852000-02-24  Richard Henderson  <rth@cygnus.com>
12686
12687	* flow.c (life_analysis): When collecting reg info, clear
12688	regs_ever_live.
12689
12690Thu Feb 24 22:06:52 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
12691
12692	Fix bug exposed by reload.c no longer rounding the frame
12693	size to BIGGEST_ALIGNMENT:
12694	* sh.c (rounded_frame_size): New function.
12695	(sh_expand_prologue, sh_expand_epilogue): Use it.
12696	(initial_elimination_offset): Likewise.
12697
12698Thu Feb 24 20:04:11 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
12699
12700	Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
12701	* sh-protos.h (sh_need_epilogue): Declare.
12702	* sh.c (sh_need_epilogue_known): New static variable.
12703	(sh_need_epilogue): New function.
12704	(function_epilogue): Clear need_epilogue_known.
12705	* sh.md (return): Split into expander / insn pattern.
12706	Make the expander conditional on ! sh_need_epilogue ().
12707
127082000-02-24  Nathan Sidwell  <nathan@codesourcery.com>
12709
12710	* machmode.h (get_mode_alignment): Declare.
12711	(GET_MODE_ALIGNMENT): Call it.
12712	* stor-layout.c (get_mode_alignment): New function. Make
12713	sure alignment is always power of 2.
12714
127152000-02-23  Zack Weinberg  <zack@wolery.cumb.org>
12716
12717	* i386.h: Remove useless definition of "I386" and misleading
12718	comment above it.
12719
127202000-02-23  Zack Weinberg  <zack@wolery.cumb.org>
12721
12722	* tree.h (TREE_SET_PERMANENT): New macro.  Document conditions
12723	under which TREE_PERMANENT will be set.
12724	* tree.c (make_node, copy_node, make_tree_vec, tree_cons,
12725	build1): Use TREE_SET_PERMANENT.
12726	* print-tree.c (print_node): Don't report value of
12727	TREE_PERMANENT if ggc_p is true.
12728
12729	* c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
12730	decide whether to give a type a new alias set.
12731	* objc/objc-act.c (build_objc_string_object): Never copy the string.
12732	* tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
12733	of value of 'obstack'.
12734
12735
127362000-02-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
12737
12738	* config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
12739
127402000-02-23  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
12741
12742	* cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
12743	* cpplib.c (cpp_get_token): Produce them.
12744	* cppexp.c (cpp_lex): Handle them.
12745
127462000-02-23  Nick Clifton  <nickc@cygnus.com>
12747
12748	* config/arm/arm.c (arm_comp_type_attributes): Simply and
12749	comment tests on type attributes.
12750
12751Wed Feb 23 16:42:21 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
12752
12753	* final.c (shorten_branches): Make value passed to LOOP_ALIGN
12754	conform to documentation.
12755	* sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
12756	to check for special cases.
12757	* sh-protos.h (sh_loop_align): Declare.
12758	* sh.c (sh_loop_align): Define.
12759
127602000-02-22  Andrew Haley  <aph@cygnus.com>
12761
12762	* config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
12763	(SIZE_TYPE): Is 32 bits when using -mgp32.
12764	(PTRDIFF_TYPE): Ditto.
12765
12766Wed Feb 23 07:26:27 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12767
12768	* diagnostic.c (init_output_buffer): Handle case of null PREFIX.
12769
127702000-02-23  Zack Weinberg  <zack@wolery.cumb.org>
12771
12772	* config/i386/i386.h: If IN_TARGET_LIBS is defined, make
12773	BIGGEST_FIELD_ALIGNMENT a constant.
12774
127752000-02-21  Jason Merrill  <jason@casey.cygnus.com>
12776
12777	* dwarf2out.c (output_line_info): Put the marker for the end of
12778	the line number info at the actual end.
12779	(gen_struct_or_union_type_die): Use decl_function_context
12780	to check for local classes.
12781	* dwarfout.c (output_type): Likewise.
12782
12783Tue Feb 22 01:38:57 2000  Jeffrey A Law  (law@cygnus.com)
12784
12785	* pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
12786	for arguments with a mode, but no type.
12787	(FUNCTION_ARG_CALLEE_COPIES): Similarly.
12788	* t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
12789	* pa/long_double.h: New file.
12790	* configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
12791	both have 128bit wide long doubles.
12792	* configure: Rebuilt.
12793
127942000-02-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12795
12796	* defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
12797
12798	* flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
12799	fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
12800	(life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
12801
12802	* haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
12803
12804	* integrate.c (compare_blocks, find_block): Likewise.
12805
12806	* rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
12807
12808	* rtl.h (set_file_and_line_for_stmt): Constify a char*.
12809
12810	* stmt.c (stmt_status, set_file_and_line_for_stmt,
12811	expand_asm_operands): Likewise.
12812
12813Mon Feb 21 17:06:27 2000  Jason Eckhardt  <jle@cygnus.com>
12814
12815	* predict.c (estimate_probability): Added the pointer heuristic to
12816	the collection of static branch predictors.
12817
128182000-02-21  Catherine Moore  <clm@cygnus.com>
12819
12820	* config/mips/mips.h (ASM_SPEC): Add -mfix700.
12821	* invoke.texi (-mfix7000): Document.
12822
128232000-02-21  Gabriel Dos Reis  <gdr@codesourcery.com>
12824
12825	* diagnostic.c (init_output_buffer): Make it possible to output at
12826	least 32 characters if we're given a too long prefix.
12827
128282000-02-20  Mark Mitchell  <mark@codesourcery.com>
12829
12830	* varasm.c (initializer_constant_valid_p): Call
12831	lang_expand_constant to	simplify the constant.
12832
128332000-02-20  Bruce Korb  <bkorb@gnu.org>
12834
12835	* fixinc/inclhack.def(stdio_va_list):
12836	typedef needs to be disabled.
12837	* fixinc/inclhack.sh: regen
12838	* fixinc/fixincl.x: regen
12839
128402000-02-20  Geoff Keating  <geoffk@cygnus.com>
12841
12842	* print-rtl.c (print_rtx): Don't print addresses when
12843	flag_dump_unnumbered.
12844
128452000-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12846
12847	* sparc.c (sparc_output_scratch_registers): Mark parameter with
12848	ATTRIBUTE_UNUSED.
12849	(sparc_va_arg, sparc_flat_output_function_prologue,
12850	sparc_flat_output_function_epilogue): Cast value to unsigned in
12851	comparison.
12852	(sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
12853
12854	* sparc.md: Add default case in switch.
12855
128562000-02-19  Richard Henderson  <rth@cygnus.com>
12857
12858	* c-typeck.c (add_pending_init): Don't abort for multiple
12859	fields at the same offset.
12860	(pending_init_member): Test the correct member.
12861
128622000-02-19  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12863
12864	* except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
12865	instead of SImode.
12866	(start_catch_handler) : Same.
12867
128682000-02-19  Brad Lucier  (lucier@math.purdue.edu)
12869
12870	* Makefile.in: Have flow.o depend on $(EXPR_H)
12871
12872Sat Feb 19 18:43:13 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12873
12874	* c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
12875	* c-decl.c (duplicate_decls, finish_enum): Likewise.
12876	(finish_decl): Remove -Wlarger-than code from here.
12877	* flags.h (id_clash_len): Now int.
12878	(larger_than_size): Now HOST_WIDE_INT.
12879	* fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
12880	Clean up checking to see if in table.
12881	(make_bit_field_ref): Remove extra parm to bitsize_int.
12882	* ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
12883	* print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
12884	* stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
12885	and for computing size of decl.
12886	* stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
12887	Move -Wlarger-than code to here.
12888	(layout_record): Remove extra arg to bitsize_int.
12889	Set TYPE_BINFO_SIZE_UNIT.
12890	(layout_union): Remove extra arg to bitsize_int.
12891	Use proper type for size of QUAL_UNION.
12892	(layout_type): Remove extra arg to bitsize_int.
12893	* toplev.c (id_clash_len): Now int.
12894	(larger_than_size): Now HOST_WIDE_INT.
12895	(decode_W_option): Clean up id-clash and larger-than- cases.
12896	* tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
12897	(expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
12898	* tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
12899	(struct tree_decl): New field size_unit.
12900	(size_int_wide): No HIGH operand; NUMBER is now signed.
12901	(size_int_2): Deleted.
12902	(size_int, bitsize_int): Don't use it and rework args.
12903	* varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
12904
12905Fri Feb 18 20:01:58 2000  Jeffrey A Law  (law@cygnus.com)
12906
12907	* pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
12908
129092000-02-18  Geoff Keating  <geoffk@cygnus.com>
12910
12911	* invoke.texi (Warning Options): Add an explanation of why
12912	you might want the -Wfloat-equal flag.
12913
12914Fri Feb 18 20:08:57 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12915
12916	* bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
12917	* cppinit.c (new_pending_define): Add cast to avoid warning.
12918	* expmed.c (extract_bit_field): Likewise.
12919	* flow.c (enum reorder_skip_type): New type.
12920	(skip_insns_between_blcok): New it.
12921	Rework to avoid warning about possibly undefined variable.
12922	* function.c (assign_parms): Make thisparm_boundary unsigned.
12923	* genrecog.c (write_switch): Cast XWINT result to int.
12924	* lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
12925	* mips-tfile.c (init_file): Make two versions of FDR initializer:
12926	one for MIPS and one for Alpha.
12927	(get_tag, copy_object): Add casts to avoid warnings.
12928	* optabs.c (init_one_libfunc): Cast NAME to (char *).
12929	* reload.c (find_reloads): Make TYPE enum reload_type.
12930	* sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
12931	* unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
12932	* varasm.c (compare_constant_1): Add cast to avoid warning.
12933	* config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
12934	to (char *).
12935	(alpha_expand_unaligned_load, alpha_expand_unaligned_store):
12936	Cast switch operand of size to int.
12937	(alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
12938	* config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
12939	in unhandled case.
12940
129412000-02-18  Nick Clifton  <nickc@cygnus.com>
12942
12943	* config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
12944	anything for an alignment of zero.
12945
12946	* config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
12947	anything for an alignment of zero.
12948
129492000-02-18  Martin von Loewis  <loewis@informatik.hu-berlin.de>
12950
12951	* gcc.texi (Bug Reporting): Refer to bugs.html.
12952	(Bug Lists): Likewise.
12953	* system.h (GCCBUGURL): New preprocessor define.
12954	* rtl.c (fancy_abort): Use it.
12955	* gcc.c (main): Likewise.
12956
129572000-02-18  Richard Henderson  <rth@cygnus.com>
12958
12959	* flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
12960	(life_analysis_1): Subsume into ...
12961	(life_analysis): ... here.  Force PROP_REG_INFO off after reload.
12962	Use update_life_info for the relaxation.
12963	(update_life_info): Update REG_BASIC_BLOCK for registers live on
12964	entry and regs_live_at_setjmp.
12965	(set_noop_p): Simplify.
12966	(notice_stack_pointer_modification_1): Renamed from s/_1//.
12967	(record_volatile_insns): Split into ...
12968	(delete_noop_moves): ... here,
12969	(notice_stack_pointer_modification): ... here,
12970	(insn_dead_p): ... and here.
12971	(propagate_block): Don't query INSN_VOLATILE.
12972	(mark_used_regs): Mind !PROP_REG_INFO.
12973	* toplev.c (rest_of_compilation): Call mark_constant_function here,
12974	not in life_analysis.
12975
12976Fri Feb 18 01:29:22 EST 2000  John Wehle  (john@feith.com)
12977
12978	* loop.c (canonicalize_condition): New function,
12979	broken out of get_condition.
12980	(get_condition): Use it.
12981	* expr.h (canonicalize_condition): Prototype it.
12982
12983	* tree.h (tree_int_cst_msb): Declare.
12984	* tree.c (tree_int_cst_msb): New function.
12985
129862000-02-17  Mark Mitchell  <mark@codesourcery.com>
12987
12988	* stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
12989	isn't set.
12990
12991	* invoke.texi (-fmessage-length=n): Document.
12992
129932000-02-17  Jason Merrill  <jason@casey.cygnus.com>
12994
12995	* bitmap.c (bitmap_operation): Don't leak bitmap elements.
12996
129972000-02-17  Mark Mitchell  <mark@codesourcery.com>
12998
12999	* function.c (thread_prologue_and_epilogue_insns): Put a line note
13000	after the prologue.
13001
130022000-02-17  Nick Clifton  <nickc@cygnus.com>
13003
13004	* config/arm/thumb.c: Replace includes of system headers with
13005	#include "system.h".
13006
130072000-02-16  Richard Henderson  <rth@cygnus.com>
13008
13009	* configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
13010	Add crtbeginS.o and crtendS.o.
13011	* alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
13012	(ENDFILE_SPEC): Use crtendS.o.
13013	* alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
13014
13015	* alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
13016	(__do_global_dtors_aux): ... here.  Call __cxa_finalize if
13017	shared and present.
13018	(__dso_handle): New variable.
13019	* alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
13020	bias to __CTOR_END__.
13021
130222000-02-16  Richard Henderson  <rth@cygnus.com>
13023
13024	* Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
13025
13026Wed Feb 16 21:40:04 2000  Hans-Peter Nilsson  <hp@bitrange.com>
13027
13028	* longlong.h (__clz_tab): Declare as static to match definition.
13029
130302000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
13031
13032	* i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
13033	(XREF_FILE_NAME): Define.
13034
13035	* i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
13036	(EH_FRAME_SECTION_ASM_OP): Define.
13037	(IDENT_ASM_OP): Define.
13038	(TEXT_SECTION_ASM_OP): Define.
13039	(CPP_SPEC): Define.
13040	(CTORS_SECTION_ASM_OP): Define.
13041	(CTOR_SECTION_FUNCTION): Use it.
13042	(DTORS_SECTION_ASM_OP): Define.
13043	(DTOR_SECTION_FUNCTION): Use it.
13044
130452000-02-16  Zack Weinberg  <zack@wolery.cumb.org>
13046
13047	* reg-stack.c (emit_swap_insn): Do not put a new insn before a
13048	NOTE_BASIC_BLOCK.
13049
13050	* flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
13051	debug_bb_n): New functions.
13052	(dump_flow_info, print_rtl_with_bb): Use dump_regset.
13053	* basic-block.h: Prototype new functions.
13054
13055Wed Feb 16 21:07:53 2000  Denis Chertykov  <denisc@overta.ru>
13056
13057	* configure.in: Add support for avr target.
13058	* configure: Rebuilt.
13059
13060	* invoke.texi: Add AVR invocation docs.
13061	* install.texi: Add information about AVR.
13062	* md.texi: Add AVR constraint letters description.
13063	* extend.texi: Add description for AVR specific attributes.
13064
130652000-02-16  Jason Merrill  <jason@casey.cygnus.com>
13066
13067	* fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
13068
130692000-02-16  Nick Clifton  <nickc@cygnus.com>
13070
13071	* emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
13072	(make_insn_raw): Move RTL check here.
13073
130742000-02-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13075
13076	* version.c: Include gansidecl.h and version.h.
13077
13078	* version.h: Wrap entire file in macro __GCC_VERSION_H__.
13079
13080	* configure.in (gcc_version): When setting, narrow search to
13081	lines containing `version_string'.
13082
13083	* Makefile.in (mainversion): Likewise.
13084	(GCC_H): New variable.
13085	(gcc.h): Delete target.
13086	(gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
13087	(version.o): Depend on version.h.
13088	(dbxout.o): Don't depend on gcc.h.
13089
13090Wed Feb 16 15:04:49 2000  Hans-Peter Nilsson  <hp@bitrange.com>
13091			  Michael Meissner  <meissner@cygnus.com>
13092
13093	* md.texi (Simple Constraints): Add item about whitespace.
13094	* genoutput.c (strip_whitespace): New.
13095	(scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
13096	strip_whitespace for constraints.
13097	Test pointer using NULL, not 0.
13098
130992000-02-16  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
13100
13101	* cpplib.c (do_line): Pedwarn for #line > 32767.
13102
13103	* c-lex.c (readescape): Warn about '\x', but do not reject it.
13104
131052000-02-15  Jonathan Larmour  <jlarmour@redhat.co.uk>
13106
13107	* gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
13108	to default cpp spec.
13109	(do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
13110	* cpp.texi: Document __GNUC_PATCHLEVEL__.
13111	* cpp.1: Likewise.
13112
13113	* objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
13114	default spec.
13115
131162000-02-15  Denis Chertykov  <denisc@overta.ru>
13117
13118	* configure.in: Add support for avr target.
13119
13120Wed Feb 16 03:21:43 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
13121
13122	* sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
13123	(sh_addr_diff_vec_mode): Don't declare.
13124	* sh.c (sh_addr_diff_vec_mode): Delete.
13125
13126Wed Feb 16 01:27:52 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
13127
13128	* sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
13129
13130Wed Feb 16 00:58:06 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
13131
13132	* sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
13133	(smulsi3_highpart_i): Name.
13134	(udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
13135	(divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
13136	(smulsi3_highpart, umulsi3_highpart): Likewise.
13137
13138	(mulsidi3_i, umulsidi3_i): Make rtl describe operation
13139	correctly independent of endianness.
13140	(mulsidi3, umulsidi3): Now define_insn.  Hide details that
13141	confuse the optimizers.
13142	(mulsidi3+1, umulsidi3+1): New define_split.
13143
13144Tue Feb 15 23:22:26 2000  Andrew Haley  <aph@cygnus.com>
13145
13146	* config/sh/sh.md: Guard insn splits against illegal registers.
13147	* config/sh/sh.h: Correct comment about macros.
13148
13149Tue Feb 15 22:30:36 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
13150			  Andrew MacLeod  <amacleod@cygnus.com>
13151
13152	* Makefile.in (lcm.o): Depend on insn-attr.h.
13153	* basic-block.h (optimize_mode_switching): Declare.
13154	* lcm.c (tm_p.h, insn-attr.h): #include.
13155	(seginfo, bb_info): New structs.
13156	(antic, transp, comp, delete, insert) : New file-scope static variables.
13157	(new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
13158	(reg_becomes_live, optimize_mode_switching): Likewise.
13159	* tm.texi: Add description of mode switching macros.
13160	* toplev.c (rest_of_compilation): Call optimize_mode_switching.
13161
13162	* sh-protos.h (remove_dead_before_cse): Remove prototype.
13163	(fldi_ok, fpscr_set_from_mem): New prototypes.
13164	* sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
13165	(CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
13166	Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13167	(sh_flag_remove_dead_before_cse): Remove declaration.
13168	(NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
13169	(MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
13170	(MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
13171	* sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13172	(barrier_align): Allow for JUMP_INSNS containing a parallel.
13173	(machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
13174	(fldi_ok): New function.
13175	(get_fpscr_rtx): Add fpscr_rtx as GC root.
13176	(emit_sf_insn): Only generate fpu switches when optimize < 1.
13177	(emit_df_insn): Likewise.
13178	(expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
13179	(sh_flag_remove_dead_before_cse): Delete.
13180	(get_free_reg, fpscr_set_from_mem): New functions.
13181	* sh.md (movdf, movsf): Remove no_new_pseudos code.
13182	(return): Remove emit_fpscr_use / remove_dead_before_cse calls.
13183
131842000-02-15  Loren Rittle  <ljrittle@acm.org>
13185
13186	* ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
13187
131882000-02-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13189
13190	* Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
13191	cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
13192
13193	* cccp.c: Include version.h and/or don't declare `version_string'.
13194	* collect2.c: Likewise.
13195	* alpha.c: Likewise.
13196	* arm/aof.h: Likewise.
13197	* arm/coff.h: Likewise.
13198	* arm/elf.h: Likewise.
13199	* arm/pe.h: Likewise.
13200	* arm/tcoff.h: Likewise.
13201	* arm/telf.h: Likewise.
13202	* arm/tpe.h: Likewise.
13203	* arm/vxarm.h: Likewise.
13204	* convex/convex.c: Likewise.
13205	* i386/dgux.c: Likewise.
13206	* i386/sun386.h: Likewise.
13207	* m88k/m88k.c: Likewise.
13208	* mcore/mcore-pe.h: Likewise.
13209	* mips/mips.h: Likewise.
13210	* romp/romp.h: Likewise.
13211	* sh/sh.c: Likewise.
13212	* cpphash.c: Likewise.
13213	* cppinit.c: Likewise.
13214	* dwarf2out.c: Likewise.
13215	* dwarfout.c: Likewise.
13216	* gcc.c: Likewise.
13217	* gcc.h: Likewise.
13218	* mips-tfile.c: Likewise.
13219	* protoize.c: Likewise.
13220	* toplev.c: Likewise.
13221	* tree.h: Likewise.
13222
13223	* version.c (version_string): Constify a char*.
13224
13225	* version.h: New file.
13226
132272000-02-14  Nick Clifton  <nickc@cygnus.com>
13228
13229	* configure.in: Add mcore-elf and mcore-pe targets.
13230	* configure: Regenerate.
13231
13232	* NEWS: Add note that MCore port has been contributed.
13233
13234	* invoke.texi: Document command line switches for MCore port.
13235	* install.texi: Add MCore to list of supported targets.
13236
132372000-02-14  Geoff Keating  <geoffk@cygnus.com>
13238
13239	* collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
13240	then we will need to import the frame handling functions.
13241	(scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
13242	to import the frames themselves.
13243
13244Mon Feb 14 13:31:01 2000  Stan Cox  <scox@cygnus.com>
13245			  Jason Eckhardt  <jle@cygnus.com>
13246
13247	* basic_block.h: Added prototype for reorder_basic_blocks.
13248	* toplev.c: Changes to add -freorder-blocks and graph dump after
13249	block reordering is done.
13250	* flow.c (reorder_block_def): New structure for use during block
13251	reordering.
13252	(REORDER_BLOCK_*): New macros to access members of above structure.
13253	(skip_insns_between_block, get_common_dest, chain_reorder_blocks,
13254	make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
13255	functions for block reordering.
13256
13257Mon Feb 14 11:24:44 2000  Hans-Peter Nilsson  <hp@bitrange.com>
13258
13259	* gcc.texi (Passes): Fix typo.
13260	* md.texi (Standard Names): Ditto.
13261	* tm.texi (Storage Layout): Ditto.
13262
132632000-02-13  Zack Weinberg  <zack@wolery.cumb.org>
13264
13265	* cpplib.c (do_define): Only free the old definition if it
13266	actually had one.
13267
132682000-02-13   Neil Booth  <NeilB@earthling.net>
13269
13270	* cppfiles.c (read_and_prescan): When emitting deferred
13271	newlines, test speccase[] again instead	of checking each
13272	possible whitespace character in turn.  When we encounter \r,
13273	look behind for \n first, then ahead.
13274
132752000-02-13  Zack Weinberg  <zack@wolery.cumb.org>
13276
13277	* cse.c (cse_altered): New internal flag.
13278	(cse_insn): Set it if we changed an insn.
13279	(cse_main): Clear cse_altered before each basic block.
13280	Only garbage collect if cse_altered is true afterward.
13281
13282Sun Feb 13 14:12:28 2000  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
13283
13284	* sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
13285
13286Sun Feb 13 13:21:55 2000  Jeffrey A Law  (law@cygnus.com)
13287
13288	* combine.c (simplify_comparison): Fix typo.
13289
13290Sun Feb 13 12:57:52 2000  Neil Booth <NeilB@earthling.net>
13291
13292	* prefix.c (concat, lookup_key): Use xmalloc and xrealloc
13293	consistently.
13294
132952000-02-13  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13296
13297	* flow.c (flow_loop_tree_node_add): Use better algorithm by passing
13298	previously inserted node instead of root node.	Caller changed.
13299
133002000-02-13  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13301
13302	* basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
13303
133042000-02-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13305
13306	* crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
13307	__dereg_frame_dtor): Add prototype argument.
13308
13309	* gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
13310
13311	* gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
13312
13313	* gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
13314
13315	* gthr-vxworks.h (__gthread_once): Likewise.
13316
13317	* gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
13318
13319Sat Feb 12 01:44:26 MET 2000  Jan Hubicka  <jh@suse.cz>
13320
13321	* i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
13322	(ix86_expand_epilogue): ... here. Use mov instead of add to restore
13323	stack pointer in functions w/o saved registers, output LEAVE more often
13324	on TARGET_USE_LEAVE machines.
13325
133262000-02-07  Dmitri Makarov  <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
13327
13328	* config/arm/arm.c (arm_init_cumulative_args); New function:
13329	Initlaise the CUMULATIE_ARGS strcuture for a function
13330	definition.
13331	(arm_function_arg): New function: Determine where to place a
13332	function's argument.  Also handles deciding the function's
13333	call cookie.
13334	(current_file_function_operand): New function: Return true if
13335	the symbol is a function which has already been compiled.
13336	(arm_is_long_call_p): New function: Return true if the
13337	indicated function should be called via a long call.
13338	(arm_valid_type_attribute_p): New function: Return true if the
13339	attribute is a valid, arm specific, attribute.
13340	(arm_comp_type_attribute): New function: Return true if the
13341	two types have compatible, arm specific, attributes.
13342
13343	* config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
13344	structure.
13345	(FUNCTION_ARG): Redefine to call arm_function_arg.
13346	(FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
13347	structure field.
13348	(INIT_CUMULATIVE_ARGS): Redefine to call
13349	arm_init_cumulative_args.
13350	(FUNCTION_ARG_ADVANCE): Redefine to use correct structure
13351	field.
13352	(SETUP_INCOMING_VARARGS): Redefine to use correct structure
13353	field.
13354	(ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
13355	functions.
13356	(ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
13357	(VALID_MACHINE_TYPE_ATTRIBUTE): Define.
13358	(COMP_TYPE_ATTRIBUTES): Define.
13359
13360	* config/arm/arm.md (call): Call arm_is_long_call_p to decide
13361	if a long call is needed.
13362	(call_value): Call arm_is_long_call_p to decide if a long call
13363	is needed.
13364	(call_symbol): Call arm_is_long_call_p to decide if a long call
13365	is needed.
13366
13367	* config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
13368
133692000-02-11  Denis Chertykov  <denisc@overta.ru>
13370
13371	* README.AVR: New file with information about the avr ports.
13372	* config/avr: New directory with avr port files.
13373
133742000-02-11  Andreas Jaeger  <aj@suse.de>
13375
13376	* fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
13377
133782000-02-11  Zack Weinberg  <zack@wolery.cumb.org>
13379
13380	* cpphash.c: Fix formatting, update commentary.
13381	(dump_definition): Take three separate arguments instead of a
13382	MACRODEF structure argument.
13383	* cpphash.h: Update prototype of dump_definition.
13384	* cppinit.c (cpp_finish): Update call of dump_definition.
13385
13386	* cpplib.c (do_define): Always create new hash entry with
13387	T_MACRO type.  Remove redundant check for redefinition of
13388	poisoned identifier.  Update call of dump_definition.
13389	(do_undef): Don't call check_macro_name.  Rename sym_length to
13390	len.
13391	(do_error, do_warning): Don't use copy_rest_of_line or
13392	SKIP_WHITE_SPACE.
13393	(do_warning): Don't use pedwarn for the actual warning,
13394	only the notice about its not being in the standard.  (Fixes
13395	bug with #warning in system headers.)
13396	(do_ident): Stricter argument checking - accept only a single
13397	string after #ident.  Also, macro-expand the line.
13398	(do_xifdef): Use cpp_defined.  De-obfuscate.
13399
13400	(do_pragma): Split out specific pragma handling to separate
13401	functions.  Use get_directive_token.  Update commentary.  Do
13402	not pass on #pragma once or #pragma poison to the front end.
13403	(do_pragma_once, do_pragma_implementation, do_pragma_poison,
13404	do_pragma_default): New.
13405
13406Feb 11 12:30:53 2000  Jeffrey A Law  (law@cygnus.com)
13407
13408	* jump.c (jump_optimize_1): The first operand in a relational
13409	can be a CONST_INT.
13410	* optabs.c (emit_conditional_move): Handle relationals which
13411	have a known true/false result.
13412
134132000-02-11  Geoff Keating  <geoffk@cygnus.com>
13414
13415	* function.c (thread_prologue_and_epilogue_insns): Don't insert
13416	a RETURN insn into a block which already ends with a jump.
13417
134182000-02-11  Geoff Keating  <geoffk@cygnus.com>
13419
13420	* haifa-sched.c (BUF_LEN): Increase a lot.
13421
134222000-02-11  Nick Clifton  <nickc@cygnus.com>
13423
13424	* configure.in: Add tm_p_file specification for thumb targets.
13425	* configure: Regenerate.
13426
13427	* config/arm/thumb-protos.h: New file: Prototypes for exported
13428	functions defined in thumb.c.
13429
134302000-02-11  Robert Lipe  <robertl@sco.com>
13431
13432	* Makefile.in (bootstrap-lean): Remove additional files.
13433	(bootstrap2-lean): Likewise.
13434	(VOL_FILES): List of files for above.
13435
134362000-02-11  Nathan Sidwell  <nathan@acm.org>
13437
13438	* cpphash.c (special_symbol): Remove spurious argument to
13439	cpp_lookup.
13440
134412000-02-11  Joel Sherrill (joel@OARcorp.com>
13442
13443	* configure.in: (i*86-*-rtems*): Swapped elf and coff
13444	stanzas.
13445	* configure: Rebuilt.
13446
134472000-02-11  Rodney Brown  <RodneyBrown@pmsc.com>
13448
13449	* pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13450
13451Fri Feb 11 02:59:05 2000  Jeffrey A Law  (law@cygnus.com)
13452
13453	* pa.c, pa.h: Remove trigraph sequences within comments.
13454
13455Fri Feb 11 02:51:56 2000  Pavel Roskin <pavel_roskin@geocities.com>
13456
13457	* invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13458
13459Fri Feb 11 02:48:30 2000  Brad Lucier  (lucier@math.purdue.edu)
13460
13461	* sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13462
134632000-02-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13464
13465	* config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13466
134672000-02-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13468
13469	* config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13470	(ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13471	(ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13472	(ASM_FILE_END): Use c4x_file_end.
13473	* config/c4x/c4x.c (c4x_global_label): New function.
13474	(c4x_external_ref, c4x_file_end): Likewise.
13475
13476	* config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13477	(c4x_external_ref, c4x_end_file): Likewise.
13478
134792000-02-10  Zack Weinberg  <zack@wolery.cumb.org>
13480
13481	* cppexp.c: Don't include cpphash.h.
13482	(parse_charconst, cpp_lex): Use cpp_defined.
13483	(cpp_lex): Use get_directive_token throughout.  Remove
13484	unnecessary cases from switch.  Move assertion-handling code
13485	down to OTHER case.
13486	(cpp_parse_expr): If we see '+' or '-', check the context to
13487	determine if they are unary or binary operators.  Streamline
13488	the jumps a bit.  Do not call skip_rest_of_line.
13489
13490	* cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13491	static.  Export get_directive_token.  Update commentary.
13492	(cpp_defined): New function.
13493	(do_define): Remove reference to T_PCSTRING.  Call
13494	free_definition to release memory for old definition, when
13495	redefining a macro.
13496	(eval_if_expression): Set only_seen_white to 0 before calling
13497	cpp_parse_expr.  Call skip_rest_of_line after it returns.
13498	(cpp_read_check_assertion): Don't preserve a pointer into the
13499	token buffer across a call to cpp_get_token.
13500
13501	* Makefile.in (cppexp.o): Don't depend on cpphash.h.
13502	* cppfiles.c (redundant_include_p): Use cpp_defined.
13503	* cpphash.c (free_definition): New function.
13504	(delete_macro): Use it.  Update commentary.
13505	* cpphash.h: Typedef HASHNODE here.  Prototype cpp_lookup and
13506	free_definition.
13507	* cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13508	from enum node_type.  Prototype cpp_defined and get_directive_token.
13509	Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13510
13511	* fix-header.c (check_macro_names): Use cpp_defined.
13512	(read_scan_file): Set inhibit_warnings and inhibit_errors in
13513	the options structure.
13514
135152000-02-10  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
13516
13517	* c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13518
135192000-02-10  Jason Merrill  <jason@casey.cygnus.com>
13520
13521	* dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13522	rather than die->die_tag.
13523
13524Thu Feb 10 16:26:49 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13525
13526	* combine.c (make_extraction, force_to_mode): Avoid warning on
13527	mixed-signedness conditionals.
13528	(make_field_assignment, nonzero_bits): Likewise.
13529	* expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13530	(store_split_bit_field, extract_split_bit_field): Likewise.
13531	(extract_fixed_bit_field, store_bit_field,
13532	* expr.c: Change alignment to be unsigned everywhere.
13533	(move_by_pieces, store_constructor_field, store_constructor):
13534	Alignment parm is unsigned.
13535	(emit_block_move, emit_group_load, emit_group_store): Likewise.
13536	(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13537	(do_compare_rtx_and_jump): Likewise.
13538	(move_by_pieces_ninsns, clear_by_pieces): Likewise.
13539	Compare align with GET_MODE_ALIGNMENT.
13540	(expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13541	(get_inner_reference): Likewise.
13542	(copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13543	(expand_assignment): Local vars for alignment now unsigned.
13544	(store_constructor, store_field, expand_expr, do_jump): Likewise.
13545	(do_compare_and_jump): Likewise.
13546	(store_field): Call new function expr_align.
13547	* expr.h (emit_block_move, emit_group_load, emit_group_store):
13548	Alignment arg now unsigned.
13549	(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13550	(do_compare_rtx_and_jump, store_bit_field): Likewise.
13551	(extract_bit_field): Likewise.
13552	* fold-const.c (add_double): Add cast to eliminate signedness warning.
13553	* machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
13554	(get_best_mode): Alignment arg is unsigned.
13555	* rtl.h (move_by_pieces): Likewise.
13556	* store-layout.c (maximum_field_alignment, set_alignment):
13557	Now unsigned.
13558	(layout_decl): Alignment arg is now unsigned.
13559	Remove unneeded casts.
13560	(layout_record, layout_union, layout_type): Remove unneeded casts.
13561	Local alignment variables now unsigned.
13562	(get_best_mode): Alignment arg now unsigned.
13563	* tree.c (expr_align): New function.
13564	* tree.h (expr_align): Likewise.
13565	(maximum_field_alignment, set_alignment): Now unsigned.
13566	(get_inner_reference): Alignment argument is now pointer to unsigned.
13567	* varasm.c (assemble_variable): Add cast to eliminate warning.
13568
13569Thu Feb 10 12:56:47 2000  Jim Wilson  <wilson@cygnus.com>
13570
13571	* expmed.c (store_bit_field): If op0 and fieldmode are the same size,
13572	then store directly into op0.
13573
13574	* calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
13575	the CALL_INSN, and emit the note immediately after it.
13576
135772000-02-10  Nick Clifton  <nickc@cygnus.com>
13578
13579	* config/arm/thumb.md (epilogue): Include a (return) in the
13580	generated insn, and emit it using emit_jump_insn not
13581	emit_insn.
13582
13583Thu Feb 10 18:28:59 MET 2000  Jan Hubicka  <jh@suse.cz>
13584
13585	* function.c (assign_temp): Change zero-sized arrays to size 1.
13586	* integrate.c (expand_inline_function): Do not update
13587	stack_alignment_needed
13588	* i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
13589	add some sanity checking, remove optimization for function with
13590	zero frame size.
13591
135922000-02-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13593
13594	* flow.c (mark_regs_live_at_end): Delete unused variables.
13595
13596	* ggc-page.c (ggc_page_print_statistics): bzero -> memset.
13597
13598	* integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
13599	in macro FRAME_GROWS_DOWNWARD.
13600
13601	* stmt.c (expand_end_bindings): Delete unused variable.
13602
13603	* unroll.c (iteration_info): Mark parameter `loop' with
13604	ATTRIBUTE_UNUSED.
13605
136062000-02-10  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
13607
13608	* fixinc/server.c (load_data): Return NULL if the marker line is
13609	not found.
13610	(run_shell): If load_data returns NULL, retry the command once, in
13611	a new shell.
13612
13613	* configure: Rebuilt.
13614
136152000-02-09  Bruce Korb  <bkorb@gnu.org>
13616
13617	* gcc/fixincludes:  ** DELETED **
13618	* gcc/fixcpp:  ** DELETED **
13619	* gcc/fixinc-nt.sed:  ** DELETED **
13620	* gcc/just-fixinc:  ** DELETED **
13621	* gcc/Makefile.in:  Removed out-dated commentary
13622	* gcc/configure.in: Removed fast-fixincludes disablement.
13623	* MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
13624
136252000-02-09  Clinton Popetz  <cpopetz@cygnus.com>
13626	* function.c (thread_prologue_and_epilogue_insns): Uncomment
13627	last change.
13628
136292000-02-09  Richard Henderson  <rth@cygnus.com>
13630
13631	* jump.c (delete_insn): Don't delete user labels at -O0.
13632
136332000-02-09  Robert Lipe  <robertl@sco.com>
13634
13635	* Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
13636	Don't link with HOST_LIBS.
13637
136382000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
13639
13640	* configure.in: Correct --help text for --with-dwarf2.
13641	Put tm-dwarf2.h after other tm files, if it's requested.
13642	* configure: Regenerate.
13643	* config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
13644	defining it.
13645
136462000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
13647
13648	* cpplib.h: Provide HASHNODE typedef and forward decl of
13649	struct hashnode only.  Kill cpp_hashnode typedef.  MACRODEF,
13650	DEFINITION, struct hashnode, struct macrodef, struct
13651	definition, scan_decls prototype, default defn of
13652	INCLUDE_LEN_FUDGE moved elsewhere.
13653
13654	* cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
13655	definition, and struct hashnode moved here. Remove the unused
13656	'predefined' field from struct definition.  Replace the 'args'
13657	union with its sole member.  All users updated (cpphash.c).
13658	Delete HASHSTEP and MAKE_POS macros, and hashf prototype.  Add
13659	multiple include guard.
13660
13661	* cpphash.c (hashf): Make static; use better algorithm; drop
13662	HASHSIZE parameter; return an unsigned int.
13663	(cpp_lookup): Drop HASH parameter.  PFILE parameter is
13664	used. Calculate HASHSIZE modulus here.
13665	(cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
13666	here.
13667	(create_definition): Drop PREDEFINITION parameter.
13668	* cpplib.c (do_define): Don't calculate a hash value here.
13669	Don't pass (keyword == NULL) to create_definition.
13670
13671	* scan.h: Prototype scan_decls here.
13672	* cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
13673	* cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
13674	callers of cpp_lookup and cpp_install updated.
13675
13676	* cpphash.c (macarg): Hoist all the flag diddling out of the
13677	function...
13678	(macroexpand): ... and out of the loop that calls macarg.
13679	Skip over the initial paren before macro arguments with
13680	cpp_get_non_space_token; point may be some distance before
13681	that paren.  Abort if it's not there.
13682
13683	* cpplib.c (parse_clear_mark): Delete function.
13684	(parse_set_mark, parse_goto_mark): Make static.
13685	(ACTIVE_MARK_P): New macro.
13686	(skip_block_comment, skip_line_comment): Do not bump the line
13687	if ACTIVE_MARK_P is true.
13688	(cpp_pop_buffer): The buffer to be popped may not have an
13689	active mark.
13690	(cpp_get_token): When looking for the initial paren before
13691	macro arguments, only set a mark in a file buffer, Always
13692	return to that mark before proceeding to call macroexpand or
13693	return a NAME token.
13694
13695	* cpplib.h: Remove prototypes of parse_set_mark,
13696	parse_clear_mark, parse_goto_mark.
13697	(struct cpp_options): Rename 'put_out_comments' to
13698	'discard_comments' and invert its sense.
13699	* cppinit.c, cpphash.c, cpplib.c: All users of
13700	put_out_comments changed to use discard_comments, with
13701	opposite sense.
13702
137032000-02-09  Clinton Popetz  <cpopetz@cygnus.com>
13704
13705	* function.c (thread_prologue_and_epilogue_insns): Don't delete
13706	the edge from a block that both jumps and falls through to the
13707	fallthru block.
13708
137092000-02-09  Scott Bambrough  <scottb@netwinder.org>
13710
13711	* config/arm/arm.md (movsi): In PIC mode, make sure that a
13712	constant source address is legitimate.
13713
137142000-02-09  Philip Blundell  <pb@futuretv.com>
13715
13716	* config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
13717	correctly.
13718
13719	* config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
13720	generating PIC.
13721	(LEGITIMATE_PIC_OPERAND): Disallow references to labels.
13722
137232000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
13724
13725	* cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
13726	ends with a newline and a NUL.  Don't be so clever manipulating
13727	strings.
13728
13729Wed Feb  9 14:18:08 MET 2000  Jan Hubicka  <jh@suse.cz>
13730
13731	* reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
13732	not to BIGGEST_ALIGNMENT.
13733
137342000-02-08  Geoff Keating  <geoffk@cygnus.com>
13735
13736	* dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
13737	* dwarf2out.c (dwarf_cfi_name): Print name of new constant.
13738	(reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
13739	(output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
13740	* frame.c (execute_cfa_insn): Handle
13741	DW_CFA_GNU_negative_offset_extended.
13742
137432000-02-08  Richard Henderson  <rth@cygnus.com>
13744
13745	* flow.c (tidy_fallthru_edges): Split out from ...
13746	(delete_unreachable_blocks): ... here.
13747	(find_basic_blocks): Use it.
13748
13749Tue Feb  8 15:51:50 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13750
13751	* stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
13752
137532000-02-08  Zack Weinberg  <zack@wolery.cumb.org>
13754
13755	* Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
13756	(gen_protos.o): Don't depend on cpplib.h or cpphash.h.
13757	(fix-header.o): Don't depend on cpphash.h.
13758
13759	* scan.c (hashstr): New function.
13760	* scan.h: Prototype it.
13761	* fix-header.c: Don't include cpphash.h.  Use hashstr.
13762	* gen-protos.c: Don't include cpphash.h or cpplib.h.  Use
13763	hashstr.  Report hash table statistics.  Add private
13764	definition of xrealloc.
13765
137662000-02-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13767
13768	* i386.h (TARGET_SWITCHES): Fix typo in option name.
13769
137702000-02-08  Clinton Popetz  <cpopetz@cygnus.com>
13771
13772	* function.c (thread_prologue_and_epilogue_insns): Don't replace
13773	jumps with returns unless they are jumps to the fallthru block.
13774
13775Tue Feb  8 07:53:55 2000  Jan Hubicka  <jh@suse.cz>
13776
13777	* i386.md (addqi3_cc): Fix constraints.
13778
13779Tue Feb  8 01:39:45 2000  Hans-Peter Nilsson  <hp@bitrange.com>
13780
13781	* function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
13782
137832000-02-07  Mark Mitchell  <mark@codesourcery.com>
13784
13785	* cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
13786	carriage return after a macro name.
13787
137882000-02-07  Fred Fish  <fnf@be.com>
13789
13790	* i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
13791	so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
13792
137932000-02-07  Zack Weinberg  <zack@wolery.cumb.org>
13794
13795	* cppfiles.c (deps_output): Count spacers in deps_column.
13796
137972000-02-07  Neil Booth  <NeilB@earthling.net>
13798
13799	* cppinit.c (initialize_dependency_output): If there is no
13800	suffix, don't try to look for known suffixes.  Use strrchr.
13801	(cpp_start_read): Remove duplicate initialization.
13802
13803Mon Feb  7 18:36:41 MET 2000  Jan Hubicka  <jh@suse.cz>
13804
13805	* calls.c (compute_argument_block_size): New argument
13806	preferred_stack_boundary.
13807	(expand_call): update cfun->preferred_stack_boundary, update call of
13808	compute_argument_block_size
13809	(emit_library_call): Increate cfun->preferred_stack_boundary
13810	to PREFERRED_STACK_BOUNDARY
13811	(emit_library_call_value): Likewise.
13812	* explow.c (allocate_dynamic_stack_spave): Likewise.
13813	* function.c (prepare_function_start): Set
13814	cfun->preferred_stack_boundary
13815	* function.h (struct function): Add preferred_stack_boundary field.
13816	* integrate.c (expand_inline_function): Update
13817	cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
13818	(copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
13819	* i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
13820
138212000-02-06  Zack Weinberg  <zack@wolery.cumb.org>
13822
13823	* cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
13824	cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
13825	cpp_pedwarn, cpp_pedwarn_with_line,
13826	cpp_pedwarn_with_file_and_line): Move to cpperror.c.
13827	(cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
13828	v_cpp_error_with_line, v_cpp_warning_with_line,
13829	cpp_message_from_errno, cpp_perror_with_name): Delete.
13830
13831	* cpperror.c (cpp_print_containing_files): Take starting
13832	buffer as argument.
13833	(cpp_file_line_for_message): Rename to cpp_print_file_and_line.
13834	(v_cpp_message): Now called directly by all entry points.
13835	Remove -1 case.
13836	(cpp_pfatal_with_name, cpp_message): Delete.
13837	(cpp_notice_from_errno, cpp_ice): New functions.
13838	(cpp_notice): Is now for reporting error conditions, just
13839	without an associated file.
13840	(cpp_error, cpp_error_with_line): Don't do anything if
13841	opts->inhibit_errors is on.
13842	(cpp_pedwarn_with_file_and_line): Take column argument also.
13843
13844	* cpplib.h: Update prototypes of exported functions.
13845	(struct cpp_options): Add inhibit_errors.
13846
13847	* cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
13848	non-error messages.  Include intl.h.
13849
13850	* cppinit.c, cppmain.c: Likewise.  Also, use
13851	cpp_notice_from_errno instead of cpp_perror_with_name or
13852	cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
13853
13854	* cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
13855	report internal errors.
13856
13857	* cpplib.c (do_define): Switch bcopy to memcpy.
13858	Give cpp_pedwarn_with_file_and_line a dummy column argument.
13859
13860	* cpplib.c (copy_rest_of_line): Revert previous change: don't
13861	bail out early if we hit a line comment.
13862
138632000-02-06  Richard Henderson  <rth@cygnus.com>
13864
13865	* flow.c (flow_delete_insn, make_edge, remove_edge): Export.
13866	* basic-block.h: Declare them.
13867	* emit-rtl.h (active_insn_p): New.
13868	(next_active_insn, prev_active_insn): Use it.
13869	* rtl.h: Declare it.
13870	* function.c (emit_return_into_block): New.
13871	(thread_prologue_and_epilogue_insns): Insert return insns instead
13872	of epilogues when possible.
13873	* jump.c (jump_optimize_1): Remove code to insert a return insn
13874	on the fallthru to the exit block.
13875
13876	* i386.c (ix86_can_use_return_insn_p): Fail for large poped args
13877	and for non-empty stack frames.
13878	* i386.md (return): Expand to return-pop as needed.
13879
138802000-02-06  Richard Henderson  <rth@cygnus.com>
13881
13882	* simplify-rtx.c (simplify_relational_operation): Canonicalize
13883	constant to op1 for testing.
13884
138852000-02-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13886
13887	* config/c4x/c4x.md (*ldi_on_overflow): New pattern.
13888	(fixuns_truncqfqi2): Use it.
13889
138902000-02-06  Richard Henderson  <rth@cygnus.com>
13891
13892	* i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
13893	as a TYPE_LEA insn.
13894
13895	* i386.md (widening and peepholes): Mask the constant instead of
13896	using gen_lowpart.
13897
138982000-02-05  Zack Weinberg  <zack@wolery.cumb.org>
13899
13900	* cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
13901	input pointer before possibly branching off to the backslash
13902	code.
13903	* cpphash.c (macroexpand): Correctly delete \r escapes when
13904	stringifying parameters.
13905	* cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
13906	if we can; bail out early if we hit a line comment.
13907	(handle_directive): Treat '# 123' in an .S file just like
13908	'# <punctuation>'.  Discard the shifted '#' if we hit '#\n'.
13909	Return 1 for '# not_a_directive'.
13910	(get_directive_token): Pop macro buffers here, so that
13911	cpp_get_token can't sneakily move past a newline.
13912	Add sanity checks.
13913	(cpp_get_token): goto randomchar if handle_directive returns 0.
13914
13915	* cppalloc.c: Update copyright.
13916	* cpplib.c: Merge all the static function prototypes into one
13917	block.
13918	* cpplib.h: Remove #if 0 block.
13919
13920	* cpperror.c: Remove #ifdef EMACS block.
13921	* cppmain.c: Likewise.
13922	* cpphash.c: Remove #if 0 blocks.
13923	* cppinit.c: Remove #if 0 blocks, and the -lint option.
13924	* cpplib.c: Remove #if 0 blocks and code referencing
13925	pcp_inside_if or for_lint.  Remove duplicate error message.
13926	Fix error messages for #else after #else or #elif.  Reformat.
13927	Remove archaic TODO list.
13928	* cpplib.h: Remove pcp_inside_if and for_lint flags.
13929
139302000-02-05  Zack Weinberg  <zack@wolery.cumb.org>
13931
13932	* i386/osf1elf.h: Add missing backslash to multiline string.
13933
139342000-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13935
13936	* longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
13937
139382000-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13939
13940	* Makefile.in (c-common.o): Depend on $(EXPR_H).
13941
13942	* c-common.c: Include expr.h.
13943
13944	* c-pragma.c (mark_align_stack): Add prototype.
13945
13946	* caller-save.c (add_stored_regs): Likewise.
13947
13948	* combine.c (record_promoted_value): Likewise.
13949
13950	* i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
13951	Likewise.
13952
13953	* cppinit.c (new_pending_define): Likewise.
13954
13955	* cpplib.c (skip_block_comment, skip_line_comment): Likewise.
13956
13957	* dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
13958	AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13959	AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
13960	class_scope_p): Likewise.
13961
13962	* dwarf2out.h (dwarf2out_set_demangle_name_func,
13963	dwarf2out_add_library_unit_info): Likewise.
13964
13965	* ggc.h (ggc_page_print_statistics): Likewise.
13966
13967	* haifa-sched.c (propagate_deps): Likewise.
13968
13969	* reg-stack.c (next_flags_user, record_label_references): Likewise.
13970
13971	* rtl.h (set_stack_check_libfunc): Likewise.
13972
13973	* toplev.h (set_fatal_function): Likewise.
13974
13975	* toplev.c (set_fatal_function): Delete prototype.
13976
13977	* diagnostic.c: Deconstify functions returning malloc'ed ptrs.
13978
139792000-02-05  Geoff Keating  <geoffk@cygnus.com>
13980
13981	* ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
13982	(FUNC_END): Likewise.
13983
139842000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13985
13986	* caller-save.c: Include tm_p.h.
13987
139882000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
13989
13990	* Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
13991
139922000-02-04  Neil Booth  <NeilB@earthling.net>
13993
13994	* cccp.c (main): Check 'dir' for a NULL pointer before passing
13995	it to strcmp.
13996
139972000-02-04  Zack Weinberg  <zack@wolery.cumb.org>
13998
13999	* recog.h: Remove NO_MD_PROTOTYPES ifdefs.
14000	* genflags.c: Use the max_operand_1 logic from genemit.c to
14001	calculate how many arguments gen_insn prototypes have.  Remove
14002	NO_MD_PROTOTYPES ifdefs from the generated file.
14003	* genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
14004	file.  Cast gen_insn initializers to insn_gen_fn.
14005	* config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
14006	* gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
14007
140082000-02-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14009
14010	* fixinc/Makefile.in (HDR): Add machname.h.
14011	(clean): Likewise.
14012
140132000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
14014
14015	* config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
14016	(c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
14017	(c4x_cpu_version): Ditto.
14018	* config/c4x/c4x-protos.h: ... here.
14019
140202000-02-04  Jason Merrill  <jason@casey.cygnus.com>
14021
14022	* dwarf2out.c (add_abstract_origin_attribute): Don't call
14023	gen_abstract_function on our context if we're a nested function.
14024
140252000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
14026
14027	* config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
14028	* config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
14029
140302000-02-04  Bruce Korb  <bkorb@gnu.org>
14031
14032	* fixinc/genfixes(machname.h):
14033	Move the functionality from gen-machine.h into this file.
14034	UNdef MN_NAME_PAT if there are no names to change.
14035	Also, be a little kinder when AutoGen is not present.
14036
14037	* fixinc/Makefile.in(machname.h):
14038	Change the generation rule to use genfixes.
14039
14040	* fixinc/fixfixes.c(machine_name):
14041	machine_name_fix's functionality now dependent upon whether
14042	MN_NAME_PAT is defined.
14043
14044	* fixinc/fixtests.c(machine_name):
14045	ditto.
14046
14047	* fixinc/fixlib.c(mn_get_regexps): conditional on definition
14048	of MN_NAME_PAT.
14049
14050	* fixinc/fixlib.h(mn_get_regexps):
14051	ditto
14052
14053	* fixinc/gen-machine.h: DELETED
14054
140552000-02-04  Jan Hubicka  <jh@suse.cz>
14056	    Richard Henderson  <rth@cygnus.com>
14057
14058	* i386.c (SAVE_REGS_FIRST): Remove.
14059	(ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
14060	(ix86_compute_frame_size): Likewise.
14061	(ix86_expand_prologue): Likewise.  Use pro_epilogue_adjust_stack.
14062	(ix86_emit_restore_regs): Remove.
14063	(ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
14064	when a frame pointer is in use.
14065	(ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode.  Use mov
14066	instead of pop to restore a register when profitable; emit leave
14067	when profitable.
14068	(ix86_attr_length_default): Handle pro_epilogue_adjust_stack
14069	as a TYPE_LEA insn.
14070	(ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
14071	* i386.md (prologue_allocate_stack): Remove.
14072	(epilogue_deallocate_stack): Remove.
14073	(pro_epilogue_adjust_stack): New.
14074
140752000-02-04  Richard Henderson  <rth@cygnus.com>
14076
14077	* function.c (diddle_return_value): Rework to use a callback function.
14078	Use current_function_return_rtx if it's been set up.
14079	(do_clobber_return_reg, clobber_return_register): New.
14080	(do_use_return_reg, use_return_register): New.
14081	(expand_function_end): Use them.
14082	* stmt.c (expand_null_return): Likewise.
14083	* function.h: Declare them.
14084	* flow.c (mark_regs_live_at_end): Use diddle_return_value.
14085	(mark_reg): Change arguments as appropriate for callback.
14086	* integrate.c (expand_inline_function): Revert 19 Jan change.
14087
14088Fri Feb  4 20:25:42 2000  Hans-Peter Nilsson  <hp@bitrange.com>
14089
14090	* tm.texi (Values in Registers): Fix typo: "fo" "for".
14091	(Misc): Say the scheduler, not the Haifa scheduler.
14092
140932000-02-04  Clinton Popetz  <cpopetz@cygnus.com>
14094
14095	* jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
14096	when in_mem is set.  Update all callers.
14097
140982000-02-04  Richard Henderson  <rth@cygnus.com>
14099
14100	* i386/openbsd.h (INT_ASM_OP): Define.
14101
14102Fri Feb  4 10:51:30 2000  Hans-Peter Nilsson  <hp@bitrange.com>
14103
14104	* tm.texi: Fix various typos.
14105
14106Thu Feb  3 17:17:32 2000  Steve Ellcey <sje@cup.hp.com>
14107
14108	* config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
14109	(MD_STARTFILE_PREFIX_1): New macro.
14110
14111Thu Feb  3 15:08:13 MET 2000  Jan Hubicka  <jh@suse.cz>
14112
14113	* i386.md (movstrsi, clrstrsi): Support variable sized copies, align
14114	destination when needed.
14115	(strmovsi, strsetsi): New expander.
14116	(strmovsi_1, strsetsi_1): New pattern.
14117	* i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
14118	TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
14119	(TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
14120	* invoke.texi (align-stringops, inline-all-stringops): Document.
14121
14122Wed Feb  2 23:04:47 2000   Krister Walfridsson <cato@df.lth.se>
14123
14124	* i386/netbsd.h (INT_ASM_OP): Define.
14125
141262000-02-02  Zack Weinberg  <zack@wolery.cumb.org>
14127
14128	* cpplib.h (cpp_reader): Add new flag, no_directives.
14129	* cpphash.c (macarg): Set it.
14130	* cpplib.c (handle_directive): If no_directives is on and we
14131	find a directive, issue an error and discard the line.
14132
14133Wed Feb  2 13:07:10 2000  Jim Wilson  <wilson@cygnus.com>
14134
14135	* config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
14136	FP constants.  Add ! TARGET_FPU check for FP constants.
14137
141382000-02-02  Clinton Popetz  <cpopetz@cygnus.com>
14139
14140	* flow.c (find_basic_blocks): Don't kill label_value_list
14141	here.
14142	(cleanup_cfg): Kill it here.
14143
14144Wed Feb  2 08:12:30 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14145
14146	* expr.c (store_field): Ensure ALIGN is no stricter than the
14147	alignment of EXP.
14148
141492000-02-02  Richard Henderson  <rth@cygnus.com>
14150
14151	* jump.c (delete_insn): Partially revert 19 Jan change;
14152	don't convert unused code labels to notes at -O0.
14153
141542000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14155
14156	* toplev.c (rest_of_compilation): Run rebuild_jump_labels after
14157	split_all_insns to recreate REG_LABEL notes for flow2 pass.
14158
141592000-02-01  Richard Henderson  <rth@cygnus.com>
14160
14161	* i386.c (general_no_elim_operand): New.
14162	(nonmemory_no_elim_operand): New.
14163	(ix86_expand_move): Copy eliminable operands before a push.
14164	* i386-protos.h: Declare new functions.
14165	* i386.h (CAN_ELIMINATE): Simplify.
14166	(PREDICATE_CODES): Update.
14167	* i386.md (push insns): Don't allow eliminable register operands.
14168
141692000-02-01  Richard Henderson  <rth@cygnus.com>
14170
14171	* flow.c (mark_regs_live_at_end): Follow expand_function_end and
14172	replace BLKmode with DECL_RTL's mode.
14173
141742000-02-01  Zack Weinberg  <zack@wolery.cumb.org>
14175
14176	* frame.c (find_fde): Convert for loop to do-while so compiler
14177	sees it's always executed at least once.
14178	* libgcc2.c (BBINBUFSIZE): Kill.
14179	(__bb_init_prg): Use fgets.
14180	(__bb_exit_trace_func): Don't paste strings.
14181	* unroll.c (unroll_loop): Initialize unroll_type, not
14182	unroll_number, and tweak logic to match.
14183
14184	* i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
14185	all failure paths.
14186	(ix86_flags_dependant): Likewise.  Disentangle control flow.
14187	(ix86_sched_reorder): Break guts out to
14188	ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
14189	(ix86_sched_reorder_ppro): Initialize pair2 and insnp before
14190	any possible use.
14191
14192	* i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
14193	use string concatenation.  Don't save and restore esi.
14194
14195	* fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
14196	(machname.h): Remove script to separate file.  Use two-step
14197	sequence so target is not created if script fails.
14198	* fixinc/gen-machname.h: New file.  Handle case where no non-reserved
14199	identifiers are defined.
14200	* fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
14201	an empty string, machine_name doesn't need to do anything at
14202	all.
14203	(is_cxx_header): Add more cases to regexp.
14204	* fixinc/fixlib.h: Update prototype.
14205	* fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
14206	mn_get_regexps.
14207	* fixinc/fixincl.c: Define NO_BOGOSITY.
14208
14209	* fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
14210	(hp_sysfile): Add missing comma.
14211	(math_exception): Put the wrapper ifdefs at the beginning and
14212	the end of the file.
14213	* fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
14214
142152000-02-01  Richard Henderson  <rth@cygnus.com>
14216
14217	* sparc.c (fp_zero_operand): Turn into a normal predicate.
14218	Use CONST0_RTX.  Update all callers.
14219	* sparc.h, sparc-protos.h: Update accordingly.
14220	* sparc.md (fp mov insns): Use fp_zero_operand directly
14221	where applicable.
14222
14223Wed Feb  2 02:59:45 2000  Hans-Peter Nilsson  <hp@bitrange.com>
14224
14225	* tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
14226	example.
14227
142282000-02-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14229
14230	* Makefile.in (specs.ready): New target.
14231	(fixinc.sh): Depend on `specs.ready' instead of `specs'.
14232
142332000-02-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14234
14235	* fixinc.irix: Use unique filenames for writing into /tmp,
14236	* fixinc.ptx: Likewise.
14237	* fixinc.sco: Likewise.
14238	* fixinc.svr4: Likewise.
14239	* fixinc.winnt: Likewise.
14240
142412000-02-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14242
14243	* tsystem.h: New file.
14244
14245	* Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
14246	s-crtS): Depend on tsystem.h.
14247
14248	* crtstuff.c: Include tsystem.h.
14249	* frame.c: Likewise.
14250	* libgcc2.c: Likewise.
14251
14252Tue Feb  1 19:53:27 CET 2000  Jan Hubicka  <jh@suse.cz>
14253
14254	* builtins.c (expand_builtin_memset): Expand for variable sized
14255	lengths too.
14256
142572000-02-01  David Billinghurst <David.Billinghurst@riotinto.com.au>
14258
14259	* config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
14260	on ABI.
14261
14262Tue Feb  1 00:57:40 2000  Hans-Peter Nilsson  <hp@bitrange.com>
14263
14264	* dwarfout.c (SHORT_TYPE_SIZE): Correct default.
14265
14266	* tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
14267
142682000-01-31  Chandra Chavva <cchavva@cygnus.com>
14269
14270	* combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
14271	case 3->2 combining (combining with splitting) in which 2 is CC0
14272	setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
14273	checked at the begining of the function with the aid of calling
14274	function 'can_combine_p'.
14275
142762000-01-31  Dave Brolley  <brolley@redhat.com>
14277
14278	* cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
14279
142802000-01-31  Jason Merrill  <jason@casey.cygnus.com>
14281
14282	* jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
14283	new label.
14284
142852000-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14286
14287	* gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
14288
14289	* sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
14290	PROTO -> PARAMS.
14291
142922000-01-30  Zack Weinberg  <zack@wolery.cumb.org>
14293
14294	* i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
14295	i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
14296	i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
14297	i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
14298	i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
14299	i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
14300	i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
14301	i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
14302	i386/vxi386.h, i386/win-nt.h, i386/win32.h:
14303	Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
14304
14305	* i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
14306	Add %(cpp_cpu) to CPP_SPEC.
14307
14308	* i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
14309	Add %(cc1_cpu) to CC1_SPEC.
14310
143112000-01-28  Ulrich Drepper  <drepper@redhat.com>
14312
14313	* c-decl.c (c_decode_option): Accept optional numeric argument to
14314	-Wformat and set warn_format.
14315	* c-common.c: Don't emit warning about non-constant printf format
14316	string unless warn_format > 1.
14317
143182000-01-30  Richard Henderson  <rth@cygnus.com>
14319
14320	* alpha.md (return_internal): Allow after reload only.
14321
143222000-01-30  Richard Henderson  <rth@cygnus.com>
14323
14324	* i386.c (ix86_compute_frame_size): Omit padding1 if the
14325	local frame size is zero.
14326
143272000-01-30  Richard Henderson  <rth@cygnus.com>
14328
14329	* alpha.c (alpha_expand_epilogue): Don't emit the return insn.
14330	* alpha.h (EPILOGUE_USES): New.  Mark $26 live.
14331	* alpha.md (return): Turn into an expander.
14332	(return_internal): Don't use $26.
14333	(epilogue): Emit the return insn.
14334
143352000-01-30  Richard Henderson  <rth@cygnus.com>
14336
14337	* alpha.md (negtf2, abstf2): Fix word order thinko.
14338	(extendsftf2): New.
14339	(trunctfsf2): Avoid intermediate rounding errors.
14340
143412000-01-30  Zack Weinberg  <zack@wolery.cumb.org>
14342
14343	* cppfiles.c (find_position): Drop 'colp' argument, return the
14344	new line base.
14345	(read_and_prescan): Adjust to match.  Don't ever manipulate
14346	line or line_base except via find_position.
14347
143482000-01-29  Zack Weinberg  <zack@wolery.cumb.org>
14349
14350	* c-parse.in: Apply Ulrich's changes from c-parse.y.
14351	* c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
14352	Regenerate.
14353
143542000-01-29  Zack Weinberg  <zack@wolery.cumb.org>
14355
14356	* cpperror.c (cpp_file_line_for_message): If 'line' is zero,
14357	just print "<command line>".  If 'filename' is null or an
14358	empty string, print "<stdin>" for the filename.
14359	* cpplib.c (do_define): Don't print the 'location of the
14360	previous definition' message if we're still parsing the
14361	command line.
14362	(cpp_pedwarn_with_file_and_line): Always call
14363	cpp_file_line_for_message.
14364
143652000-01-29  Mark Mitchell  <mark@codesourcery.com>
14366
14367	* flow.c (mark_regs_live_at_end): Fix typo.
14368
143692000-01-28  Ulrich Drepper  <drepper@redhat.com>
14370
14371	* c-common.c: Adjust variable names, comments, help strings to c99.
14372	* c-lex.c: Likewise.
14373	* c-parse.y: Likewise.
14374	* c-tree.h: Likewise.
14375	* cccp.c: Likewise.
14376	* cpplib.h: Likewise.
14377	* c-decl.c: Likewise.  Recognize options with names "*99" as well.
14378	* cppinit.c: Likewise.
14379
143802000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14381
14382	* c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
14383	* c4x.c: Define the optab rtx values.
14384	(c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
14385	(c4x_emit_libcall): Use new optab rtx values.
14386	(c4x_emit_libcall3): Likewise.
14387	(c4x_emit_libcall_mulhi): Likewise.
14388	* c4x-protos.h: Add prototypes for optab rtx values and change
14389	prototypes for above c4x_emit_libcall functions.
14390
143912000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14392
14393	* c4x.c (c4x_output_ascii): Restrict line length of output when TI
14394	syntax is used.
14395	(c4x_function_prologue): Use regnames intead of float_reg_names when
14396	TI syntax is used.
14397	(c4x_function_epilogue): Likewise.
14398	(c4x_print_operand): Likewise.
14399	* c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
14400	* c4x.md (set_high): Disable for TARGET_TI.
14401
144022000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14403
14404	* c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14405	of framepointer + constant to ADDR_REGS class.
14406	* c4x.md (addqi3, addqi3_noclobber_reload): Update.
14407	* c4x.c (std_or_reg_operand): New function.
14408	* c4x-protos.h (std_or_reg_operand): Prototype it.
14409
144102000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14411
14412	* t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14413		object names as libgcc2.c.
14414	* libgcc.S: Use newly defined names.
14415
14416Fri Jan  7 19:48:04 CET 2000  Jan Hubicka  <jh@suse.cz>
14417	* sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14418	function.
14419	* sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14420	* basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14421	(FLOW_LOOP_LAST_BLOCK): Likewise.
14422
144232000-01-21  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
14424
14425	* basic-block.h (struct loop): New fields 'first' and 'last'.
14426	* flow.c (flow_loops_find): Compute loop->first and loop->last.
14427	(flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14428	and loop->last to check for NOTE_INSN_LOOP_END.
14429
14430Fri Jan 28 10:57:58 2000  Jason Eckhardt  <jle@cygnus.com>
14431
14432	* predict.c (estimate_probability): Use the new FIRST and LAST fields
14433	of the loop descriptor rather than HEADER and LATCH. Also added
14434	missing break statements as well making some coding style modifications
14435	as suggested by Michael Hayes.
14436
144372000-01-28  Richard Henderson  <rth@cygnus.com>
14438
14439	* flow.c (find_basic_blocks): Remove do_cleanup argument.
14440	Break out that code ...
14441	(cleanup_cfg): ... here.
14442	(commit_one_edge_insertion): Detect a return instruction being
14443	emitted to an edge.  Emit a barrier following; clear fallthru.
14444	(commit_edge_insertions): Verify CFG consistency.
14445	* function.c (expand_function_start): Kill unused variable.
14446	(expand_function_end): Likewise.
14447	(thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14448	to insert the epilogue.
14449
14450	* gcse.c (gcse_main): Adjust for find_basic_blocks change.
14451	(delete_null_pointer_checks): Likewise.
14452	* output.h: Likewise.
14453	* reg-stack.c (reg_to_stack): Likewise.
14454	* toplev.c (rest_of_compilation): Likewise.  Run
14455	thread_prologue_and_epilogue_insns after rebuilding the CFG.
14456
144572000-01-28  Richard Henderson  <rth@cygnus.com>
14458
14459	* Makefile.in (flow.o): Revert 24 Jan change.
14460	* flow.c (mark_regs_live_at_end): Likewise.  Force BLKmode
14461	FUNCTION_VALUE result to DECL_RESULT's mode.
14462
14463	* haifa-sched.c (schedule_insns): Don't recompute reg info
14464	after reload.
14465
144662000-01-28  Zack Weinberg  <zack@wolery.cumb.org>
14467
14468	* configure.in: Make --enable-cpplib the default.
14469	* configure: Regenerate.
14470	* gcc.dg/990119-1.c: No longer expected to fail.
14471
144722000-01-28  Bernd Schmidt  <bernds@cygnus.co.uk>
14473
14474	* jump.c (jump_optimize_1): Delete an optimization that is also done
14475	by merge_blocks in flow.
14476
144772000-01-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14478
14479	* diagnostic.c (build_message_string, output_printf,
14480	line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14481	(build_location_prefix): Fix non-literal format string.
14482
144832000-01-27  Richard Henderson  <rth@cygnus.com>
14484
14485	* alpha.md (trunctfsf2): New.
14486
144872000-01-27  Andrew Hobson  <ahobson@eng.mindspring.net>
14488
14489	* configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14490
144912000-01-27  Zack Weinberg  <zack@wolery.cumb.org>
14492
14493	* cppinit.c (cpp_handle_option): Recognize C++ comments under
14494	-std=gnu89.
14495	* cpplib.c (skip_block_comment, skip_line_comment): Split code
14496	out of...
14497	(skip_comment) ... here.  Permit C++ comments in system
14498	headers always.  Warn about C++ comments in user code under
14499	-std=gnu89 -pedantic.
14500	(copy_comment): Use skip_comment.
14501	(cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14502	return EOF.
14503	(consider_directive_while_skipping, do_else, do_endif): Call
14504	validate_else unconditionally.
14505	(validate_else): Check CPP_PEDANTIC here.  Accept non-comment
14506	text after the conditional in a system header.
14507	* cpplib.h (struct cpp_buffer): Add flag
14508	warned_cplusplus_comments.
14509
145102000-01-27  Geoffrey Keating  <geoffk@cygnus.com>
14511
14512	* emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14513	Use unshare_all_rtl_1.
14514	(unshare_all_rtl_again): New function.
14515	(unshare_all_rtl_1): New function split out of unshare_all_rtl.
14516
14517	* function.c (purge_addressof_1): Use unshare_all_rtl_again
14518	rather than resetting the 'used' flags ourself.
14519
14520	* toplev.c (rest_of_compilation): Add current_function_decl
14521	to the unshare_all_rtl call.
14522	* tree.h: Prototype unshare_all_rtl.
14523	* rtl.h: Prototype unshare_all_rtl_again here.
14524
145252000-01-27  Geoffrey Keating  <geoffk@cygnus.com>
14526
14527	* genoutput.c (output_prologue): Include ggc.h in generated
14528	files.
14529	* Makefile.in (insn-output.o): Depends on ggc.h.
14530
145312000-01-27  Ian Dall  <ian@sibyl.beware.dropbear.id.au>
14532	    Hans-Peter Nilsson  <hp@bitrange.com>
14533
14534	* ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14535	Remove redundant include of xm-ns32k.h.
14536	* ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14537	Remove redundant include of xm-ns32k.h.
14538	* ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14539	Remove redundant include of xm-ns32k.h.
14540	* ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14541
14542	* ns32k/ns32k.h: Update comment on multiply-add instructions.
14543	(TARGET_SWITCHES): Add documentation strings.
14544	(DWARF_FRAME_REGNUM): Override default definition.
14545	(REG_CLASS_CONTENTS): Add comments.
14546	(SUBSET_P): Format to reduce line length.
14547	(SMALL_REGISTER_CLASSES): Make a run time option.
14548	(GO_IF_NONINDEXED_ADDRESS): Reformat.
14549	(GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
14550	dereferencing it.  Braces to avoid "ambiguous else" were misplaced.
14551	(regclass_map): fix typo in comment.
14552	* ns32k/ns32k.c: Add spaces before parentheses for consistant style.
14553	Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
14554	(trace, reg_or_mem_operand): Delete, unused function.
14555	(calc_address_cost): Small offsets are cheaper than large ones.
14556	(expand_block_move): Generate more efficient code when bytes is a
14557	known at compile time.
14558	* ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
14559	(udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
14560	instead of reg_or_mem_operand.
14561
14562	* ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
14563	not general_operand.  Similarly use "=rm" or stricter, not "=g".
14564	For input operands, use stricter constraints than "g" if not
14565	general_operand.  Similarly use stricter predicate than
14566	"general_operand" when stricter constraints than "g" are present,
14567	except for matching constraints.
14568	(movstrsi): Use "memory_operand" for operands 0 and 1.
14569	(truncsiqi2, truncsihi2, trunchiqi2): Remove.
14570	(udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
14571	not reg_or_mem_operand.
14572	(udivmoddisi4): Ditto.
14573	Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
14574	Use nonimmediate_operand for operand 3, not register_operand.
14575	(udivmoddiqi4_internal): Use register_operand for operand 1, not
14576	reg_or_mem_operand.
14577
145782000-01-27  Fred Fish  <fnf@be.com>
14579
14580	* gthr-posix.h: Fix typo; compatibily -> compatibility.
14581	* gthr-single.h: Likewise.
14582	* gthr-solaris.h: Likewise.
14583	* gthr-vxworks.h: Likewise.
14584	* gthr-win32.h: Likewise.
14585	* gthr.h: Likewise.
14586
145872000-01-27  Zack Weinberg  <zack@wolery.cumb.org>
14588
14589	* cppinit.c: Add " (cpplib)" to end of string printed by
14590	-v / --version.
14591
145922000-01-27  Richard Henderson  <rth@cygnus.com>
14593
14594	* alpha.c (alpha_emit_conditional_move): Use VOIDmode when
14595	testing for a signed comparison.
14596	(alpha_emit_floatuns): New.
14597	* alpha-protos.h: Declare it.
14598	* alpha.md (floatunsdisf2, floatunsdidf2): New.
14599	(extendsfdf2): Tidy.
14600
146012000-01-27  Jakub Jelinek  <jakub@redhat.com>
14602
14603	* config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
14604	no -g option specifying debugging format, default to -gstabs+.
14605
14606Wed Jan 26 22:19:14 1999  J"orn Rennecke  <amylaar@cygnus.co.uk>
14607
14608	* calls.c (special_function_p): New argument fork_or_exec.
14609	(expand_call): When profile_arc_flag is set and the function
14610	is in the fork_or_exec group, call __bb_fork_func first.
14611	* libgcc2.c, _bb module (__bb_fork_func): New function.
14612	(__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
14613	output file.
14614	* config/svr4.h (TARGET_HAS_F_SETLKW): Define.
14615	* tree.h (special_function_p): Update prototype.
14616
146172000-01-26  Richard Henderson  <rth@cygnus.com>
14618
14619	* alpha.c (alpha_split_tfmode_pair): New.
14620	* alpha-protos.h: Declare it.
14621	* alpha.md (abstf2, negtf2): New.
14622	(movtf insn): Add input G constraint.
14623	(movtf splitter): Use alpha_split_tfmode_pair.
14624
146252000-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14626
14627	* i386/cygwin.h: PROTO -> PARAMS.
14628
146292000-01-26  Jakub Jelinek  <jakub@redhat.com>
14630
14631	* config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
14632	TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
14633	using _Qp_cmp/_Q_cmp and testing the return value.
14634	(print_operand): Call reverse_condition_maybe_unordered if
14635	we are handling CCFPmode or CCFPEmode.
14636	Handle ORDERED, UN* and LTGT comparisons.
14637	* config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
14638	if not TARGET_HARD_QUAD.
14639	(seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
14640	bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
14641	Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
14642	Adjust gen_b* calls so that they reflect return comparison of
14643	sparc_emit_float_lib_cmp.
14644
146452000-01-26  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
14646
14647	* config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
14648	incoming operands array is large enough for one more operand.
14649	(alpha_emit_xfloating_arith): Likewise.
14650
146512000-01-25  Zack Weinberg  <zack@wolery.cumb.org>
14652
14653	* fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
14654	file with one line and no trailing newline.
14655	Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
14656	* fixinc/fixtests.c (machine_name_test): Fix fencepost error
14657	checking if the match is on the line.
14658	* fixinc/gnu-regex.c: Provide regerror not __regerror.
14659
146602000-01-25  Richard Henderson  <rth@cygnus.com>
14661
14662	* sparc.c (output_cbranch): Fix accidental squashing of the
14663	fp branch pre-delay nop.
14664
146652000-01-25  Richard Henderson  <rth@cygnus.com>
14666
14667	* tree.def (UNNE_EXPR): Remove.
14668	* c-typeck.c (build_binary_op): Don't handle it.
14669	* expr.c (expand_expr, do_jump, do_store_flag): Likewise.
14670
14671	* rtl.def (UNNE): Remove.
14672	(LTGT): Add.
14673	* jump.c (reverse_condition): Update accordingly.
14674	(swap_condition): Likewise.
14675	(comparison_dominates_p): Handle unordered comparisons.
14676	(reverse_condition_maybe_unordered): New.
14677	* rtl.h (reverse_condition_maybe_unordered): Declare.
14678
14679	* sparc.c (select_cc_mode): Update for UNNE/LTGT.
14680	(output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
14681	* sparc.h (REVERSIBLE_CC_MODE): Always true.  Update docs.
14682	* sparc.md (bltgt): New.
14683
146842000-01-25  Nick Clifton  <nickc@redhat.com>
14685
14686	* emit-rtl.c (emit_insn): Only check machine class insns for
14687	improper emission of a RETURN.
14688
146892000-01-25  Richard Henderson  <rth@cygnus.com>
14690
14691	* Makefile.in (flow.o): Depend on $(EXPR_H).
14692	* flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
14693	duplicate the structure of diddle_return_value for keeping regs live.
14694
146952000-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
14696
14697	* loop.c (current_loop_info): Delete.
14698	(consec_sets_invariant_p): Add loop argument, update callers.
14699	(get_condition_for_loop): Likewise.
14700	(count_nonfixed_reads, update_giv_derive): Likewise.
14701	(simplify_giv_expr, general_induction_var): Likewise.
14702	(consec_sets_giv, recombine_givs): Likewise.
14703	(move_movables): Delete loop_start and loop_end arguments,
14704	add loop argument, and update callers.
14705	(find_mem_givs, check_final_value): Likewise.
14706	(record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
14707	(loop_invariant_p): Rename from invariant_p, add loop argument, and
14708	update callers.
14709	(basic_induction_var): Add loop argument, delete loop_level argument,
14710	and update callers.
14711	* unroll.c (iteration_info): Delete loop_start and loop_end arguments,
14712	add loop argument, and update callers.
14713	(find_splittable_regs, find_splittable_givs): Likewise.
14714	(reg_dead_after_loop, loop_find_equiv_value): Likewise.
14715	(final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
14716	(biv_total_increment): Delete loop_start and loop_end arguments;
14717	update callers.
14718	(precondition_loop_p): Delete loop_start and loop_info arguments;
14719	update callers.
14720	* loop.h (get_condition_for_loop): Add loop argument.
14721	(biv_total_increment): Delete loop_start and loop_end arguments.
14722	(precondition_loop_p): Delete loop_start and loop_info arguments;
14723	add loop argument.
14724	(final_biv_value): Delete loop_start and loop_end arguments;
14725	add loop argument.
14726	(final_giv_value, back_branch_in_range_p): Likewise.
14727
147282000-01-25  Gavin Romig-Koch  <gavin@cygnus.com>
14729
14730	* config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
14731
147322000-01-25  Gavin Romig-Koch  <gavin@cygnus.com>
14733
14734	* Makefile.in (c-gperf.h) : Change the "See" pointer to
14735	point to the new "generated_files" doc.
14736
147372000-01-25  Clinton Popetz  <cpopetz@cygnus.com>
14738
14739	* config/fp-bit.c (_unord_f2): Fix typo.
14740
147412000-01-25  Zack Weinberg  <zack@wolery.cumb.org>
14742
14743	* c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
14744	c-typeck.c, objc/objc-act.c: Remove all references to obstack
14745	functions obsoleted by GC, such as push_obstacks_nochange,
14746	end_temporary_allocation, savealloc, saveable_tree_cons, etc.
14747	and code which existed only to decide whether or not to call
14748	them.  Remove now-unused NESTED argument from start_function;
14749	all callers changed.  Do not change behavior based on ggc_p.
14750	The use of the ixp_obstack in c-iterate.c and the util_obstack
14751	in objc/objc-act.c remain; these are not obsoleted by garbage
14752	collection.
14753	* c-tree.h: Update prototype for start_function.
14754
14755	* c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
14756
147572000-01-25  Clinton Popetz  <cpopetz@cygnus.com>
14758
14759	* config/mips/mips.md (zero_extendsidi2_internal): Disable for
14760	mips16.
14761
147622000-01-25  Richard Henderson  <rth@cygnus.com>
14763
14764	* sparc-protos.h (select_cc_mode): Declare.
14765	* sparc.c (select_cc_mode): New.  Handle unordered compares.
14766	(output_cbranch): Always reverse via code change.  Handle
14767	unordered compares.  Factor tests and string updates.
14768	* sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
14769	(REVERSIBLE_CC_MODE): Also exclude CCFPmode.
14770	* sparc.md (bunordered, bordered): New.
14771	(bungt, bunlt, buneq, bunge, bunle): New.
14772
147732000-01-25  Richard Henderson  <rth@cygnus.com>
14774
14775	* dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
14776	* ggc-common.c (ggc_add_rtx_varray_root): New.
14777	(ggc_mark_rtx_varray): New.
14778	(ggc_mark_rtx_varray_ptr): New.  Shift all ggc_mark_foo_ptr
14779	functions down below ggc_mark_foo.
14780	* ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
14781
147822000-01-25  Richard Henderson  <rth@cygnus.com>
14783
14784	* alpha.c (secondary_reload_class): Don't allocate a secondary
14785	for integral mode memories into FLOAT_REGS.  Rearrange the more
14786	complicated memory expression inward.
14787
147882000-01-25  Zack Weinberg  <zack@wolery.cumb.org>
14789
14790	* inclhack.def: Fixes to play nicer with FreeBSD, and
14791	corrections to comments.
14792	(cxx_unready): Add select expression.
14793	(irix_sockaddr): Add bypass expression.
14794	(machine_ansi_h_va_list): New fix.
14795	(stdio_va_list): No need to edit _BSD_VA_LIST_.
14796	Split out addition of "#include <stdarg.h>" to...
14797	(stdio_stdarg_h): ... here.
14798	(systypes_for_aix): Rename to systypes_stdlib_size_t.  Apply
14799	to stdlib.h also.  Do not munge _BSD_SIZE_T_.
14800	(sysz_stdlib_for_sun): Delete duplicate fix for unprotected
14801	size_t.
14802	(ultrix_ifdef): Tighten up select expression.
14803
14804	* fixincl.tpl: Exorcise 'exesel'.  Rewrite calculations of
14805	re_ct and max_mach to avoid use of shell.  Make printed names
14806	match names in inclhack.def.  Use static copyright date.
14807	Don't count c_test and test expressions as requiring regex_t
14808	slots.  Add some commentary.
14809	* inclhack.tpl: Do not include the 'This script contains N
14810	fixup scripts' line if PROGRAM is defined.  Use static
14811	copyright date.
14812
148132000-01-24  Jason Merrill  <jason@casey.cygnus.com>
14814
14815	* dwarf2out.c: include "varray.h", not dyn-string.h.
14816	(ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
14817	(addr_const_to_string, addr_to_string): Lose.
14818	(ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
14819	(struct dw_val_struct): val_addr is now an rtx.
14820	(add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
14821	(used_rtx_varray): New varray.
14822	(dwarf2out_init): Initialize it.
14823	(save_rtx): New fn.
14824	(mem_loc_descriptor, add_const_value_attribute): Call it instead of
14825	addr_to_string.
14826	* arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
14827	sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
14828	* Makefile.in (dwarf2out.o): Update dependencies.
14829
148302000-01-24  Richard Henderson  <rth@cygnus.com>
14831
14832	* i386.c (i386_dwarf_output_addr_const): New.
14833	* i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
14834
14835	* dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
14836	if defined.
14837	* dwarfout.c (output_mem_loc_descriptor): Likewise.
14838	* i386.c (i386_simplify_dwarf_addr): New.
14839	* i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
14840
14841Mon Jan 24 16:56:10 2000  Jim Wilson  <wilson@cygnus.com>
14842
14843	* dwarf2out.c (gen_struct_or_union_type_die): Set complete if
14844	TYPE_STUB_DECL is NULL.
14845
148462000-01-24  Richard Henderson  <rth@cygnus.com>
14847
14848	* builtins.c (expand_tree_builtin): Move ...
14849	* c-common.c (expand_tree_builtin): ... here.
14850
148512000-01-25  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
14852
14853	* loop.h (LOOP_INFO): New accessor macro.
14854	* basic-block.h (struct loop): Rename field `info' to `aux'.
14855	* loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
14856	(prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
14857	* unroll.c (loop_iterations, unroll_loop): Likewise.
14858
148592000-01-24  Christopher Faylor <cgf@cygnus.com>
14860
14861	* config/i386/t-cygwin: Accommodate new winsup directory layout
14862	when searching for include files.
14863
148642000-01-24  Richard Henderson  <rth@cygnus.com>
14865
14866	* rtl.def: Add unordered fp comparisons.
14867	* tree.def: Likewise.
14868	* tree.h: Add ISO C 9x unordered fp comparison builtins.
14869
14870	* builtins.c (expand_tree_builtin): New function.
14871	* c-typeck.c (build_function_call): Use it.
14872	(build_binary_op): Support unordered compares.
14873	* c-common.c (c_common_nodes_and_builtins): Add unordered compares.
14874
14875	* combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
14876	(reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
14877	* cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
14878	(record_jump_equiv): Handle reverse_condition returning UNKNOWN.
14879	* jump.c (reverse_condition): Don't abort for UNLE etc, but
14880	return UNKNOWN.
14881	(swap_condition): Handle unordered compares.
14882	(thread_jumps): Check can_reverse before reversing.
14883	* loop.c (get_condition): Likewise.  Allow UNORERED/ORDERED to be
14884	reversed for FP.
14885
14886	* optabs.c (can_compare_p): New argument CODE.  Verify branch or
14887	setcc is present before acking for cmp_optab.  Update all callers.
14888	(prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
14889	* expmed.c (do_cmp_and_jump): Update for can_compare_p.
14890	* expr.c (expand_expr): Likewise.  Support unordered compares.
14891	(do_jump, do_store_flag): Likewise.
14892	* expr.h (enum libfunc_index): Add unordered compares.
14893
14894	* Makefile.in (FPBIT_FUNCS): Add _unord_sf.
14895	(DPBIT_FUNCS): Add _unord_df.
14896	* config/fp-bit.c (_unord_f2): New.
14897	* fp-test.c (main): Try unordered compare builtins.
14898
14899	* alpha-protos.h (alpha_fp_comparison_operator): Declare.
14900	* alpha.c (alpha_comparison_operator): Check mode properly.
14901	(alpha_swapped_comparison_operator): Likewise.
14902	(signed_comparison_operator): Likewise.
14903	(alpha_fp_comparison_operator): New.
14904	(alpha_emit_conditional_branch): Handle unordered compares.
14905	* alpha.h (PREDICATE_CODES): Update.
14906	* alpha.md (fp compares): Use alpha_fp_comparison_operator.
14907	(bunordered, bordered): New.
14908
149092000-01-24  Richard Henderson  <rth@cygnus.com>
14910
14911	* alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
14912	* alpha.md (movtf): New expander, insn, and splitter.
14913
14914Mon Jan 24 19:49:47 MET 2000  Jan Hubicka  <jh@suse.cz>
14915
14916	* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14917	dead registers.
14918
14919Mon Jan 24 17:37:31 MET 2000  Jan Hubicka  <jh@suse.cz>
14920
14921	* i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
14922	(FIXED_REGISTERS, CALL_USED_REGISTERS,
14923	 REG_ALLOC_ORDER): Add frame pointer
14924	(FRAME_POINTER_REGNUM): Set to 20
14925	(HARD_FRAME_POINTER_REGNUM): New macro.
14926	(ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
14927	to HARD_FRAME_POINTER.
14928	(REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
14929	(REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
14930	(REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
14931	(HI_REGISTER_NAMES): Add "frame".
14932	(CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
14933	(debug_reg): Handle FRAME_POINTER_REGNUM.
14934	(reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
14935	GENERAL_REGS and INDEX_REGS.
14936	* i386.c (SAVED_REGS_FIRST): new macro.
14937	(AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
14938	(ix86_decompose_address, memory_address_length): Likewise.
14939	(regclass_map): Add frame pointer.
14940	(call_insn_operand): Handle frame_pointer_rtx.
14941	(reg_no_sp_operand): Likewise.
14942	(ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
14943	(print_operand, legitimize_pic_address): Fix formating.
14944	(ix86_compute_frame_size): Make static, update prototype, new
14945	parameters padding1, padding2, use ix86_nsaved_regs, use
14946	stack_alignment_needed.
14947	(ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
14948	to HARD_FRAME_POINTER_REGNUM conversions.
14949	(ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
14950	(ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
14951	(print_reg): Abort on FRAME_POINTER_REGNUM
14952
14953Mon Jan 24 16:50:08 MET 2000  Jan Hubicka  <jh@suse.cz>
14954
14955	* i386.h (PREDICATE_CODES): Add aligned_operand.
14956	* i386.c (aligned_operand): New function.
14957	(ix86_aligned_p): Kill.
14958	* i386.md (movhi_1): Emit mov for aligned operands.
14959	(promoting peep2s): Use aligned_operand.
14960
149612000-01-23  Zack Weinberg  <zack@wolery.cumb.org>
14962
14963	* fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
14964	expression to allow underscores in macro names.
14965	(fix_char_macro_defines): Increment scanning pointer.
14966
149672000-01-23  Richard Henderson  <rth@cygnus.com>
14968
14969	* alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
14970	* alpha/osf5.h: New file.
14971	* configure.in (alpha-*-osf5): Add it to tm_file.
14972
14973	* emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
14974
14975	* alpha-protos.h (alpha_emit_xfloating_arith): Declare.
14976	(alpha_emit_xfloating_cvt, function_arg): Declare.
14977	* alpha.c (alpha_emit_conditional_branch): Call
14978	alpha_emit_xfloating_compare for TFmode compares.
14979	(alpha_lookup_xfloating_lib_func): New.
14980	(alpha_compute_xfloating_mode_arg): New.
14981	(alpha_emit_xfloating_libcall): New.
14982	(alpha_emit_xfloating_arith): New.
14983	(alpha_emit_xfloating_compare): New.
14984	(alpha_emit_xfloating_cvt): New.
14985	(print_operand): Add default abort case.
14986	(function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
14987	* alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
14988	(BIGGEST_ALIGNMENT): Increase to 128 bits.
14989	(RETURN_IN_MEMORY): True for TF/TCmode.
14990	(ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
14991	(FUNCTION_ARG): Move to function_arg.
14992	(FUNCTION_ARG_PASS_BY_REFERENCE): New.
14993	(ASM_OUTPUT_LONG_DOUBLE): New.
14994	(ASM_OUTPUT_DOUBLE): Always output bits.
14995	* alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
14996	(fix_trunctfdi2, floatditf2, floatunsditf2): New.
14997	(extenddftf2, trunctfdf2): New.
14998
149992000-01-23  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
15000
15001	* config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
15002	* config/sparc/sol2.h: ... here.
15003
150042000-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15005
15006	* basic-block.h (struct loops): New field `levels'.
15007	* flow.c (flow_loops_level_compute): Traverse all outer loops.
15008	(flow_loop_level_compute): Initialize level to 1.
15009	(flow_loops_find): Set loops->levels.
15010	(flow_loops_dump): Print loops->levels.
15011
150122000-01-23  Richard Henderson  <rth@cygnus.com>
15013
15014	* libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
15015	(throw_helper): Iterate over DWARF_FRAME_REGISTERS.
15016
150172000-01-23  Richard Henderson  <rth@cygnus.com>
15018
15019	* i386.c (dbx_register_map, svr4_dbx_register_map): New.
15020	* i386.h (DBX_REGISTER_NUMBER): Use them.
15021	* i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
15022	* i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
15023	* i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
15024	* i386/sequent.h: Kill incorrect comment.
15025
150262000-01-23  Mark Mitchell  <mark@codesourcery.com>
15027
15028	* ggc-page.c (struct page_entry): Make `context_depth' an
15029	`unsigned short'.
15030	(struct globals): Likewise.
15031
150322000-01-23  Clinton Popetz  <cpopetz@cygnus.com>
15033
15034	* loop.c (check_dbra_loop): When checking a loop for
15035	reversability, check the source of any stores to ensure
15036	they don't depend on an initial value.
15037
150382000-01-23  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15039
15040	* config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
15041
150422000-01-22  Zack Weinberg  <zack@wolery.cumb.org>
15043
15044	* fixinc/fixincl.c: Move declarations of 'pz_fname' and
15045	'pz_scan' into scope of entire function.  Only affects
15046	compiles with -DDEBUG.
15047
150482000-01-22  Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
15049
15050	* config/elfos.h (UNIQUE_SECTION): Restore uninitialized data
15051	section naming to that prior to 2000-01-07 patch.
15052	* config/mips/elf.h (UNIQUE_SECTION): Ditto.
15053	* config/mips/elf64.h (UNIQUE_SECTION): Ditto.
15054	* config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
15055	* config/i386/interix.c (UNIQUE_SECTION): Ditto.
15056	* config/i386/winnt.c (UNIQUE_SECTION): Ditto.
15057
150582000-01-22  Bernd Schmidt  <bernds@cygnus.co.uk>
15059
15060	* config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
15061	constant.
15062
150632000-01-21  Jim Wilson  <wilson@cygnus.com>
15064
15065	* fixinc/inclhack.tpl: Test for directory before trying to cd into it.
15066	* fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
15067
150682000-01-21  Zack Weinberg  <zack@wolery.cumb.org>
15069
15070	* cpphash.c (change_newlines): Delete function.
15071	(struct argdata): Delete 'newlines' and 'use_count' fields.
15072	(macroexpand): Remove code referencing those fields.
15073
150742000-01-22  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15075
15076	* loop.c (loops_info): New variable.
15077	(loop_optimize): Allocate loops->array and free it on exit.
15078	Allocate memory for loops_info and assign to each loop,
15079	replacing alloca.
15080	(find_and_verify_loops): Do not allocate loops->array.
15081
150822000-01-21  Zack Weinberg  <zack@wolery.cumb.org>
15083
15084	* fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
15085
150862000-01-21  Jakub Jelinek  <jakub@redhat.com>
15087
15088	* config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
15089	pseudos if expanded after first flow.
15090	(movdi_pic_label_ref): Likewise.
15091
150922000-01-20  Richard Henderson  <rth@cygnus.com>
15093
15094	* jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
15095
150962000-01-20  Zack Weinberg  <zack@wolery.cumb.org>
15097
15098	* Makefile.in (fixinc.sh): Depend on specs.
15099	* fixinc/Makefile.in: Add rule to create machname.h.
15100	(fixlib.o): Depend on machname.h.
15101	* fixinc/fixtests.c (machine_name): New test.
15102	* fixinc/fixfixes.c (machine_name): New fix.
15103	* fixinc/fixlib.c (mn_get_regexps): New helper function for
15104	the machine_name test and fix.
15105	* fixinc/fixlib.h: Prototype it.
15106	* fixinc/inclhack.def (machine_name): Use the C test and fix.
15107	* fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
15108
15109	* gcc.c (do_spec_1) [case P]: Take care not to create
15110	identifiers with three leading or trailing underscores.
15111
15112	* fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
15113	(fixincl): Don't specify libraries twice on link line.
15114	(gnu-regex.o): Remove special rule.
15115	* fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
15116	defined by config.h.  Do not define _REGEX_RE_COMP.
15117	(regcomp): Allocate and initialize a fastmap.
15118	* fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
15119
151202000-01-20  Brad Lucier  <lucier@math.purdue.edu>
15121
15122	* Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
15123
151242000-01-19  Richard Henderson  <rth@cygnus.com>
15125
15126	* flow.c (propagate_block): Replace FIRST, LAST and BNUM
15127	arguments with BB.  Update all callers.  Tidy line wrapping.
15128
151292000-01-19  Clinton Popetz  <cpopetz@cygnus.com>
15130
15131	* emit-rtl.c (try_split): Return last_insn if we split the
15132	last_insn.
15133
15134Thu Jan 20 01:01:23 MET 2000  Jan Hubicka  <jh@suse.cz>
15135
15136	* i386-protos.h (ix86_compute_frame_size): Remove prototype.
15137	(ix86_initial_elimination_offset): Declare.
15138	* i386.c (ix86_nsaved_regs): Break out from ...
15139	(ix86_can_use_return_insn_p): ... here.
15140	(ix86_emit_save_regs): Break out from ...
15141	(ix86_expand_prologue): ... here.
15142	(ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
15143	out from ...
15144	(ix86_expand_epilogue): ... here.
15145	(ix86_compute_frame_size): Make static, add prototype.
15146	(ix86_initial_elimination_offset): Break out from ...
15147	* i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
15148
151492000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15150
15151	* recog.h (OUT_FCN): Delete.
15152
15153	* vax.md: Call `get_insn_template' instead of OUT_FCN.
15154
151552000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15156
15157	* cppalloc.c: PROTO -> PARAMS.
15158	* cpperror.c: Likewise.
15159	* cppfiles.c: Likewise.
15160	* cpplib.c: Likewise.
15161	* cpplib.h: Likewise.
15162
15163	* config/arm/arm-protos.h: PROTO -> PARAMS.
15164	* config/arm/arm.c: Likewise.
15165	* config/c4x/c4x.c: Likewise.
15166	* config/fr30/fr30-protos.h: Likewise.
15167	* config/nextstep.c: Likewise.
15168	* config/pa/pa.c: Likewise.
15169	* config/pj/pj.c: Likewise.
15170	* config/rs6000/rs6000.c: Likewise.
15171	* config/v850/v850-protos.h: Likewise.
15172	* config/v850/v850.c: Likewise.
15173
151742000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15175
15176	* i370-protos.h: New file.
15177
15178	* i370.c: Include tm_p.h.  Fix compile time warnings.
15179
15180	* i370.h: Move prototypes to i370-protos.h.  Fix compile time
15181	warnings.
15182
15183	* i370.md: Likewise.
15184
151852000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15186
15187	* real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
15188	(target_isinf, target_isnan, eisnan): Mark parameter with
15189	ATTRIBUTE_UNUSED.
15190	(eiisinf): Wrap in INFINITY.
15191	(etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
15192	(ibmtoe): Remove unused variable `rndsav'.
15193
15194Wed Jan 19 20:23:06 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
15195
15196	* sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
15197	(GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
15198
151992000-01-19  Zack Weinberg  <zack@wolery.cumb.org>
15200
15201	* fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
15202	* fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
15203	(fix_char_macro_defines, fix_char_macro_uses): New functions.
15204
15205	* fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
15206	Recognize Emacs mode markers also.
15207	* fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
15208	C++ comments in C++ headers.  Call is_cxx_header only if
15209	necessary.
15210
15211	* fixinc/inclhack.def (avoid_bool): Add select for the problem and
15212	bypass for ncurses.
15213	(bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
15214	(io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
15215	... these, which use the new C fixes.
15216	(math_exception): Escape literal '+' in bypass expression.
15217
15218	* fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
15219	Regenerate.
15220
152212000-01-19  Geoff Keating  <geoffk@cygnus.com>
15222
15223	* rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
15224	inside the MEM.
15225
152262000-01-20  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15227
15228	* loop.c (loop_optimize): Allocate loop_info structure for each loop
15229	prior to calling scan_loop.
15230
15231Wed Jan 19 19:54:38 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
15232
15233	* sh.c (find_barrier, gen_block_redirect): Fix indentation.
15234	(split_branches, calc_live_regs): Likewise.
15235
15236Wed Jan 19 19:12:36 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
15237
15238	* sh.md (fpu_single, fp_mode): New attributes.
15239
152402000-01-20  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15241
15242	* loop.c (current_loop_info): Renamed from loop_info_data
15243	and changed to a pointer.
15244	(loop_optimize): Allocate loop_info structure for each loop
15245	and initialize to zero.
15246	(scan_loop): Set current_loop_info.
15247
15248	* unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
15249	on iteration_var.
15250
152512000-01-19  Richard Henderson  <rth@cygnus.com>
15252
15253	* stupid.c: Die die die.
15254	* Makefile.in (OBJS): Remove stupid.o.
15255	(stupid.o): Likewise.
15256
15257	* except.c (emit_eh_context): Don't emit USEs for stupid.
15258	* explow.c (probe_stack_range): Likewise.
15259	* flags.h (obey_regdecls): Remove.
15260	* flow.c (find_basic_blocks): Don't run try_merge_blocks
15261	when not optimizing.
15262	(life_analysis): Limit data collection when not optimizing.
15263	(mark_regs_live_at_end): Always mark the return value registers.
15264	(mark_used_regs): Remove dummy RETURN case.
15265	(print_rtl_with_bb): Don't consult obey_regdecls.
15266	* function.c (use_variable, use_variable_after): Remove.
15267	(assign_parms): Consult optimize not obey_regdecls.
15268	(expand_function_start): Don't emit USEs for stupid.
15269	(expand_function_end): Likewise.
15270	* global.c (build_insn_chain): Export.
15271	* integrate.c (expand_inline_function): Kill return-value USE
15272	handling code.
15273	* jump.c (jump_optimize_1): Do simple jump optimizations and
15274	dead code elimination.
15275	(calculate_can_reach_end): Remove check_deleted argument.
15276	(delete_insn): Patch out insns even when not optimizing.
15277	* local-alloc.c (block_alloc): Don't do tying when not optimizing.
15278	* rtl.h (use_variable, use_variable_after): Remove declarations.
15279	(build_insn_chain): Declare.
15280	* stmt.c (expand_value_return): Don't emit USEs for stupid.
15281	(expand_end_bindings): Likewise.
15282	(expand_decl): Likewise.  Consult optimize not obey_regdecls.
15283	* toplev.c (obey_regdecls): Remove.
15284	(rest_of_compilation): Don't set it.  Kill stupid in favor of
15285	flow1, local-alloc, and reload.
15286	(main): Don't set obey_regdecls.
15287
15288	* config/nextstep.c (handle_pragma): Likewise.
15289
15290	* alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
15291
15292	* arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
15293
152942000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15295
15296	* alpha-protos.h: PROTO -> PARAMS.
15297	* alpha.c: Likewise.
15298	* elf.h: Likewise.
15299	* h8300.c: Likewise.
15300	* i386-protos.h: Likewise.
15301	* i386.c: Likewise.
15302	* m32r-protos.h: Likewise.
15303	* m32r.c: Likewise.
15304	* mips.c: Likewise.
15305	* mips.md: Likewise.
15306	* gmon-sol2.c: Likewise.
15307	* sparc.c: Likewise.
15308
153092000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15310
15311	* ns32k-protos.h: New file.
15312
15313	* ns32k.c: Fix compile time warnings.
15314
15315	* ns32k.h: Move prototypes to ns32k-protos.h.  Fix compile time
15316	warnings.
15317
15318	* ns32k.md: Likewise.
15319
153202000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15321
15322	* vax-protos.h: New file.
15323
15324	* vax.c: Fix compile time warnings.
15325
15326	* vax.h: Move prototypes to vax-protos.h.  Fix compile time
15327	warnings.
15328
15329	* vax.md: Likewise.
15330
15331	* vaxv.md: Likewise.
15332
153332000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15334
15335	* romp-protos.h: New file.
15336
15337	* romp.c: Fix compile time warnings.
15338
15339	* romp.h: Move prototypes to romp-protos.h.  Fix compile time
15340	warnings.
15341
15342	* romp.md: Likewise.
15343
153442000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15345
15346	* we32k-protos.h: New file.
15347
15348	* we32k.c: Fix compile time warnings.
15349
15350	* we32k.h: Move prototypes to we32k-protos.h.  Fix compile time
15351	warnings.
15352
153532000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15354
15355	* calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
15356
15357	* except.c (eh_regs): Likewise.
15358
15359	* final.c (output_operand): Likewise.
15360
15361	* fold-const.c (target_isinf, target_isnan): Likewise.
15362
15363Tue Jan 18 16:19:55 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
15364
15365	* i386.h (BIGGEST_ALIGNMENT): Set to 128.
15366	(BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
15367
15368	* i386.md (memstr): Do not use rep stosb for counts divisible by 4
15369	when optimize_size.
15370	(clrstrsi): Rewrite.
15371	(strsethi, strsetqi): New expanders.
15372	(strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
15373	(cmpstrsi): Emit compare insn before cmpstrsi_1
15374	(cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
15375	(strlensi_1): Likewise.
15376	(cmpstrsi_1): Likewise; do not output compare.
15377	(strlen expander): Do not unroll when optimizing for size.
15378	(*subsi3_carry): Rename to subsi3_carry
15379	(addqi3_cc): New pattern.
15380	* i386.h (processor_costs): Add move_ratio field.
15381	(MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
15382	* i386.c (*_cost): Set move_ratio.
15383	(x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
15384	(x86_expand_strlensi_1): Rewrite the main loop.
15385
153862000-01-17  Richard Henderson  <rth@cygnus.com>
15387
15388	* combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
15389	* cse.c (find_comparison_args, fold_rtx): Likewise.
15390	* integrate.c (subst_constants): Likewise.
15391	* loop.c (get_condition): Likewise.
15392
15393	* tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
15394
15395	* alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
15396
153972000-01-18  Martin v. L�wis  <loewis@informatik.hu-berlin.de>
15398
15399	* c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
15400	(RESTORE_WARN_FLAGS): Unpack it.
15401	Change semantic type of extension to ttype.
15402	* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15403	* c-parse.y, c-parse.c, objc/objc-parse.y,
15404	objc/objc-parse.c: Regenerate.
15405
154062000-01-17  Zack Weinberg  <zack@wolery.cumb.org>
15407
15408	* fixinc/fixlib.c: Add copyright notice.
15409	(compile_re): New function.
15410	* fixinc/fixlib.h: Prototype compile_re.
15411
15412	* fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15413	Use compile_re to compile regular expressions.
15414
15415	* fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15416	where the pattern matched.
15417
15418	* fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15419	use 'replace'.
15420	(ultrix_ansi_compat): Likewise.
15421	(interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15422	add egrep test.
15423	(interactv_add2, interactv_add3): Delete.
15424	(x11_sprintf): Don't use filename glob.
15425	* fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15426	Regenerate.
15427
154282000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15429
15430	* print-rtl.c: PROTO -> PARAMS.
15431	* real.c: Likewise.
15432	* reg-stack.c: Likewise.
15433	* resource.c: Likewise.
15434	* sdbout.h: Likewise.
15435	* simplify-rtx.c: Likewise.
15436	* stor-layout.c: Likewise.
15437	* stupid.c: Likewise.
15438	* xcoffout.c: Likewise.
15439	* xcoffout.h: Likewise.
15440
154412000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15442
15443	* toplev.c: PROTO -> PARAMS.
15444	* toplev.h: Likewise.
15445	* tree.c: Likewise.
15446	* tree.h: Likewise.
15447	* unroll.c: Likewise.
15448	* varasm.c: Likewise.
15449	* varray.c: Likewise.
15450	* varray.h: Likewise.
15451
154522000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15453
15454	* reload.c: PROTO -> PARAMS.
15455	* reload.h: Likewise.
15456	* reload1.c: Likewise.
15457	* reorg.c: Likewise.
15458	* resource.h: Likewise.
15459	* rtl.c: Likewise.
15460	* rtl.h: Likewise.
15461	* rtlanal.c: Likewise.
15462	* sbitmap.h: Likewise.
15463	* sdbout.c: Likewise.
15464	* stack.h: Likewise.
15465	* stmt.c: Likewise.
15466	* system.h: Likewise.
15467
154682000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15469
15470	* machmode.h: PROTO -> PARAMS.
15471	* mbchar.h: Likewise.
15472	* mips-tdump.c: Likewise.
15473	* mips-tfile.c: Likewise.
15474	* optabs.c: Likewise.
15475	* output.h: Likewise.
15476	* prefix.c: Likewise.
15477	* profile.c: Likewise.
15478	* protoize.c: Likewise.
15479	* real.h: Likewise.
15480	* recog.c: Likewise.
15481	* recog.h: Likewise.
15482	* regclass.c: Likewise.
15483	* regmove.c: Likewise.
15484	* regs.h: Likewise.
15485
154862000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15487
15488	* ggc-common.c: PROTO -> PARAMS.
15489	* ggc-page.c: Likewise.
15490	* ggc-simple.c: Likewise.
15491	* ggc.h: Likewise.
15492	* global.c: Likewise.
15493	* graph.c: Likewise.
15494	* gthr-win32.h: Likewise.
15495	* haifa-sched.c: Likewise.
15496	* halfpic.h: Likewise.
15497	* integrate.c: Likewise.
15498	* integrate.h: Likewise.
15499	* jump.c: Likewise.
15500	* lcm.c: Likewise.
15501	* local-alloc.c: Likewise.
15502	* loop.c: Likewise.
15503	* loop.h: Likewise.
15504
155052000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15506
15507	* genattr.c: PROTO -> PARAMS.
15508	* genattrtab.c: Likewise.
15509	* gencheck.c: Likewise.
15510	* gencodes.c: Likewise.
15511	* genconfig.c: Likewise.
15512	* genemit.c: Likewise.
15513	* genextract.c: Likewise.
15514	* genflags.c: Likewise.
15515	* gengenrtl.c: Likewise.
15516	* genopinit.c: Likewise.
15517	* genoutput.c: Likewise.
15518	* genpeep.c: Likewise.
15519	* genrecog.c: Likewise.
15520
155212000-01-16  Mark Mitchell  <mark@codesourcery.com>
15522
15523	* tree.h (BINFO_VPTR_FIELD): Augment documentation.
15524
155252000-01-16  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
15526
15527	* aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15528	* configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15529	* ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15530	* configure, config.in: Rebuilt.
15531
155322000-01-16  Zack Weinberg  <zack@wolery.cumb.org>
15533
15534	* config/i386/i386.md: Add peephole to merge successive stack
15535	adjusts.
15536
15537Sat Jan 15 15:41:14 EST 2000  John Wehle  (john@feith.com)
15538
15539	* gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15540	instead of emit_insn_before.  Also handle NOTE_INSN_BASIC_BLOCK
15541	when walking backwards to find all the parameter loads when
15542	the basic block ends in a call.
15543
155442000-01-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15545
15546	* loop.c (this_loop_info): Delete.
15547	(uid_loop): Add in place of uid_loop_num.  All uses updated.
15548	(loop_number_exit_count): Delete and replace with entry in loop
15549	structure.  All uses updated.
15550	(loop_number_loop_starts, loop_number_loop_ends): Likewise.
15551	(loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15552	(loop_outer_loop): Likewise.
15553	(loop_invalid, loop_number_exit_labels): Likewise.
15554	(loop_used_count_register): Delete and replace with entry in
15555	loop_info structure.
15556	(find_and_verify_loops): Add loops argument.
15557	(verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
15558	loop_end, etc. arguments with loop structure pointer.  All callers
15559	changed.
15560	(loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
15561	(check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
15562	(load_mems_and_recount_loop_regs_set, load_mems): Likewise.
15563	(insert_bct): Likewise.
15564	(basic_induction_var): New argument level.
15565	* loop.h (struct loop_info): Delete fields num, loops_enclosed,
15566	vtop, and cont.  Add used_count_register.
15567	(uid_loop): Delete declaration.
15568	(loop_number_exit_count): Likewise.
15569	(loop_number_loop_starts, loop_number_loop_ends): Likewise.
15570	(loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15571	(loop_outer_loop, loop_used_count_register): Likewise.
15572	(loop_invalid, loop_number_exit_labels): Likewise.
15573	(unroll_loop): Replace loop_start and loop_end arguments
15574	with loop structure pointer.
15575	(loop_precondition_p, loop_iterations): Likewise.
15576	Include basic-block.h.
15577	* unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
15578	with loop structure pointer.
15579	(loop_precondition_p, loop_iterations): Likewise.
15580	* basic-block.h (struct loop): New entries vtop, cont,
15581	cont_dominator, start, end, top, scan_start, exit_labels,
15582	exit_count.
15583	* Makefile.in (LOOP_H): Add basic-block.h to dependencies.
15584
155852000-01-15  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
15586
15587	* defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
15588
155892000-01-14  Nathan Sidwell  <sidwell@codesourcery.com>
15590
15591	* config.in: Rebuilt for 2000-01-13 change to acconfig.h.
15592
155932000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15594
15595	* pdp11-protos.h: New file.
15596
15597	* pdp11.c: Include tm_p.h.  Add static prototypes.  Fix compile
15598	time warnings.
15599
15600	* pdp11.h: Move prototypes to pdp11-protos.h.  Fix compile time
15601	warnings.
15602
15603	* pdp11.md: Likewise.
15604
15605	* 2bsd.h: Likewise.
15606
156072000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15608
15609	* mn10300-protos.h: New file.
15610
15611	* mn10300.c: Include tm_p.h.  Add static prototypes.  Fix compile
15612	time warnings.
15613
15614	* mn10300.h: Move prototypes to mn10300-protos.h.  Fix compile time
15615	warnings.
15616
15617	* mn10300.md: Likewise.
15618
156192000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15620
15621	* mn10200-protos.h: New file.
15622
15623	* mn10200.c: Include tm_p.h.  Add static prototypes.  Fix compile
15624	time warnings.
15625
15626	* mn10200.h: Move prototypes to mn10200-protos.h.  Fix compile time
15627	warnings.
15628
15629	* mn10200.md: Likewise.
15630
156312000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15632
15633	* h8300-protos.h: New file.
15634
15635	* h8300.c: Include tm_p.h.  Add static prototypes.  Fix compile
15636	time warnings.
15637
15638	* h8300.h: Move prototypes to h8300-protos.h.  Fix compile time
15639	warnings.
15640
15641	* h8300.md: Likewise.
15642
156432000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15644
15645	* varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
15646	(asm_emit_uninitialised): Likewise.
15647
156482000-01-13  Gavin Romig-Koch  <gavin@cygnus.com>
15649
15650	* config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
15651	* config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
15652
156532000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
15654
15655	* config/mips/mips.c (override_options): Don't turn on extra
15656	alignment for mips16.
15657
156582000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
15659
15660	* config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
15661	eabi, and make sure queued POSTINCREMENT rtl is emitted at
15662	the right point.
15663
156642000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
15665
15666	* builtins.c (PAD_VARARGS_DOWN): Define.
15667	(std_expand_builtin_va_arg): Use the above macro.
15668	* config/mips/mips.h (PAD_VARARGS_DOWN): Define.
15669	* tm.texi (Register Arguments): Document the above macro.
15670
156712000-01-14  Nick Clifton  <nickc@cygnus.com>
15672
15673	* emit-rtl.c (emit_insn): If checking is enabled, make sure
15674	that this function has not been used to emit a jump
15675	instruction.
15676
15677	* jump.c (return_jump_1): Cope with being passed a null rtx.
15678
156792000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15680
15681	* eh-common.h: PROTO -> PARAMS.
15682	* emit-rtl.c: Likewise.
15683	* errors.c: Likewise.
15684	* errors.h: Likewise.
15685	* except.c: Likewise.
15686	* except.h: Likewise.
15687	* explow.c: Likewise.
15688	* expmed.c: Likewise.
15689	* expr.c: Likewise.
15690	* expr.h: Likewise.
15691	* final.c: Likewise.
15692	* fix-header.c: Likewise.
15693	* flow.c: Likewise.
15694	* fold-const.c: Likewise.
15695	* function.c: Likewise.
15696	* function.h: Likewise.
15697	* gcc.c: Likewise.
15698	* gcov-io.h: Likewise.
15699	* gcov.c: Likewise.
15700	* gcse.c: Likewise.
15701
157022000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15703
15704	* sh-protos.h: New file.
15705
15706	* sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
15707	Add static prototypes.  Fix compile time warnings.
15708
15709	* sh.h: Move prototypes to sh-protos.h.  Fix compile time warnings.
15710	* sh.md: Likewise.
15711	* elf.h: Likewise.
15712
157132000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15714
15715	* arc-protos.h: New file.
15716
15717	* arc.c: Include tm_p.h.  Add static prototypes.  Fix compile
15718	time warnings.
15719
15720	* arc.h: Move prototypes to arc-protos.h.  Fix compile time
15721	warnings.
15722
15723	* arc.md: Likewise.
15724
157252000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15726
15727	* dsp16xx-protos.h: New file.
15728
15729	* dsp16xx.c: Include tm_p.h.  Add static prototypes.  Fix compile
15730	time warnings.
15731
15732	* dsp16xx.h: Move prototypes to dsp16xx-protos.h.  Fix compile time
15733	warnings.
15734
15735	* dsp16xx.md: Likewise.
15736
157372000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15738
15739	* convex-protos.h: New file.
15740
15741	* convex.c: Include tm_p.h.  Add static prototypes.  Fix compile
15742	time warnings.
15743
15744	* convex.h: Move prototypes to convex-protos.h.  Fix compile time
15745	warnings.
15746
157472000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15748
15749	* elxsi-protos.h: New file.
15750
15751	* elxsi.c: Include tm_p.h.  Add static prototypes.  Fix compile
15752	time warnings.
15753
15754	* elxsi.h: Move prototypes to elxsi-protos.h.  Fix compile time
15755	warnings.
15756
15757	* elxsi.md: Likewise.
15758
157592000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
15760
15761	* config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
15762	case for moving from HI/LO/HI_LO_REG.  This makes the behavior
15763	match the comment for MIPS16.
15764
15765Fri Jan 14 00:28:06 2000  Jeffrey A Law  (law@cygnus.com)
15766
15767	* flow.c (split_edge): Do not call set_block_for_insn if we
15768	do not have a basic_block_for_insn structure.
15769
15770	* fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
15771	and destination functions are 32bit aligned within the trampoline.
15772	(TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
15773	(TRAMPOLINE_ALIGNMENT): Define.
15774
15775	* cse.c (cse_insn): When changing (set (pc) (reg)) to
15776	(set (pc) (label_ref)), verify the change creates a valid insn.
15777
15778	* fr30.c (call_operand): Tighten and rework to match rules for
15779	call RTL expressions.
15780	* fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
15781	* fr30.md (call patterns): Improve constraints.
15782
15783Thu Jan 13 23:44:03 2000  Richard Henderson  <rth@cygnus.com>
15784
15785	* fr30.c (fr30_expand_epilogue): Revert last change.
15786	Use emit_jump_insn for the return insn.
15787
15788Thu Jan 13 14:46:03 2000  Jason Eckhardt  <jle@cygnus.com>
15789			  Stan Cox  <scox@cygnus.com>
15790
15791	* predict.c: New file. Preliminary infrastructure work for static
15792	branch prediction and basic block reordering.
15793	* basic-block.h: Add prototype for estimate_probability.
15794	* Makefile.in: Add rules for predict.o.
15795
157962000-01-13  Jason Merrill  <jason@yorick.cygnus.com>
15797
15798	* fixincludes (va_list): Use __not_va_list__ for the dummy.
15799	* fixinc/*: Likewise.
15800
158012000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15802
15803	* cccp.c: PROTO -> PARAMS.
15804	* cexp.y: Likewise.
15805	* collect2.c: Likewise.
15806	* combine.c: Likewise.
15807	* convert.h: Likewise.
15808	* cse.c: Likewise.
15809	* dbxout.c: Likewise.
15810	* dbxout.h: Likewise.
15811	* diagnostic.c: Likewise.
15812	* doprint.c: Likewise.
15813	* dwarf2out.c: Likewise.
15814	* dwarf2out.h: Likewise.
15815	* dwarfout.c: Likewise.
15816	* dwarfout.h: Likewise.
15817	* dyn-string.h: Likewise.
15818
158192000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15820
15821	* calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
15822	macro conditionals guarding use.
15823
15824	* dwarf2out.c: Include "tm_p.h".
15825
15826	* function.c (locate_and_pad_parm): Mark parameter with
15827	ATTRIBUTE_UNUSED.
15828	(expand_function_end): Likewise for variable `context'.
15829
15830	* reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
15831
158322000-01-13  Nick Clifton  <nickc@cygnus.com>
15833
15834	* config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
15835	register to prevent compile time warnings.
15836
158372000-01-13  Zack Weinberg  <zack@wolery.cumb.org>
15838
15839	* longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
15840	to avoid -Wtraditional warning.
15841
158422000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15843
15844	* 1750a-protos.h: New file.
15845
15846	* 1750a.c: Include tm_p.h.  Add static prototypes.  Fix compile
15847	time warnings.
15848
15849	* 1750a.h: Move prototypes to 1750a-protos.h.  Fix compile time
15850	warnings.
15851
15852	* 1750a.md: Likewise.
15853
158542000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15855
15856	* a29k-protos.h: New file.
15857
15858	* a29k.c: Include tm_p.h.  Add static prototypes.  Fix compile
15859	time warnings.
15860
15861	* a29k.h: Move prototypes to a29k-protos.h.  Fix compile time
15862	warnings.
15863
158642000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15865
15866	* clipper-protos.h: New file.
15867
15868	* clipper.c: Include tm_p.h.  Add static prototypes.  Fix compile
15869	time warnings.
15870
15871	* clipper.h: Move prototypes to clipper-protos.h.  Fix compile time
15872	warnings.
15873
15874Thu Jan 13 16:03:06 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
15875
15876	* reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
15877
158782000-01-13  Nathan Sidwell  <sidwell@codesourcery.com>
15879
15880	* configure.in (--enable-new-gxx-abi): New option.
15881	* acconfig.h (ENABLE_NEW_GXX_ABI): New define.
15882	* Makefile.in (GXX_ABI_FLAG): New variable.
15883	* configure: Regenerate.
15884
158852000-01-13  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15886
15887	* stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
15888	* tm.texi (FORCE_STRUCT_BLK): Document.
15889	* config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
15890
15891Wed Jan 12 23:12:47 2000  Hans-Peter Nilsson  <hp@axis.com>
15892
15893	* config/ns32k/ns32k.md: Revert Jan 9 change.
15894
15895	* genrecog.c (maybe_both_true_2): Do not compare a predicate-test
15896	to a mode-test, if the predicate is address_operand.
15897
15898Wed Jan 12 22:34:00 2000  Jeffrey A Law  (law@cygnus.com)
15899
15900	* combine.c (if_then_else_cond): Be careful about what kinds
15901	of RTL expressions are passed to operand_subword.
15902
15903	* flow.c (split_edge): If we have to insert a new jump, make
15904	sure to associate it with a basic block.
15905
15906	* flow.c (commit_one_edge_insertion): A block with one successor
15907	can end in a JUMP_INSN that is not a simplejump.
15908
159092000-01-12  Robert Lipe  <robertl@sco.com>
15910
15911	* i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
15912	(BUILD_VA_LIST_TYPE): Define.
15913	(EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
15914	with crtstuff.c.
15915
159162000-01-12  Jason Merrill  <jason@casey.cygnus.com>
15917
15918	* cccp.c (do_pragma): Add cast to (char *).
15919
159202000-01-12  Richard Henderson  <rth@cygnus.com>
15921	    Fred Fish  <fnf@be.com>
15922	    Jason Merrill  <jason@cygnus.com>
15923
15924	* configure.in (i?86-*-beos{pe,elf,}*): Recognize.
15925	* i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
15926	* i386/beos-elf.h, i386/beos-pe.h: New files.
15927
15928	* Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
15929	* cross-make (SYSTEM_HEADER_DIR): Define using
15930	CROSS_SYSTEM_HEADER_DIR.
15931
15932	* gcc.c (LIBRARY_PATH_ENV): Provide default.
15933	(process_command): Use it.
15934	(main): Likewise.  Kill trailing = from env vars.
15935	(build_search_list): Put it back.
15936	* collect2.c (main): Use LIBRARY_PATH_ENV.
15937
15938	* configure.in (GCC_NEED_DECLARATIONS): Add environ.
15939	* toplev.c: Use NEED_DECLARATION_ENVIRON.
15940
15941	* tm.texi (Frame Layout): Document SMALL_STACK.
15942	* c-common.c (c_common_nodes_and_builtins): Check it.
15943
15944	* system.h: Undef alloca after including glibc's <stdlib.h>,
15945	if USE_C_ALLOCA is defined.
15946
15947	* gcc.c (set_input): New fn.
15948	(main): After all input files are compiled, reset the input file
15949	info to the first.
15950
15951	* aclocal.m4 (rindex, index): If already defined, don't attempt
15952	to redefine.
15953
15954	* ginclude/varargs.h: (__va_list__): Define ifndef.
15955	* ginclude/stdarg.h: Likewise.
15956
15957	* ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
15958	instead of unsigned char.
15959
15960	* hash.h (true, false, boolean): Undef before enum.
15961
15962	* expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
15963	proper type of "HOST_WIDE_INT *", rather than their natural type of
15964	"unsigned HOST_WIDE_INT *".
15965
159662000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15967
15968	* svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
15969
15970	* recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
15971
15972	* regclass.c (choose_hard_reg_mode): Likewise.
15973
15974	* reload.c (find_valid_class, strict_memory_address_p): Likewise.
15975
15976	* reorg.c (optimize_skip): Wrap prototype in macro conditionals.
15977
159782000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15979
15980	* c-common.c: PROTO -> PARAMS.
15981	* c-common.h: Likewise.
15982	* c-decl.c: Likewise.
15983	* c-iterate.c: Likewise.
15984	* c-lang.c: Likewise.
15985	* c-lex.c: Likewise.
15986	* c-lex.h: Likewise.
15987	* c-parse.in: Likewise.
15988	* c-pragma.c: Likewise.
15989	* c-pragma.h: Likewise.
15990	* c-tree.h: Likewise.
15991	* c-typeck.c: Likewise.
15992	* objc/objc-act.c: Likewise.
15993	* objc/objc-act.h: Likewise.
15994
159952000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15996
15997	* m88k-protos.h: New file.
15998
15999	* m88k.c: Include tm_p.h.  Add static prototypes.  Fix compile
16000	time warnings.
16001
16002	* m88k.h: Move prototypes to m88k-protos.h.  Fix compile time warnings.
16003
16004	* m88k.md: Likewise.
16005
16006	* tekXD88.h: Likewise.
16007
160082000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16009
16010	* m68k-protos.h: New file.
16011
16012	* m68k.c: Include tm_p.h.  Add static prototypes.  Fix compile
16013	time warnings.
16014
16015	* m68k.h: Move prototypes to m68k-protos.h.  Fix compile time warnings.
16016
16017	* mot3300.h: Likewise.
16018
160192000-01-12  Richard Earnshaw <rearnsha@arm.com>
16020
16021	* haifa-sched.c (split_edges): Pass edgeset_size as second arg to
16022	extract_bitlst.
16023	(extract_bitlist): Declare bitlen.
16024
160252000-01-12  Zack Weinberg  <zack@wolery.cumb.org
16026
16027	* cccp.c: Accept and ignore -lang-fortran.
16028
16029	* c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
16030	qualifiers don't match at any level of pointerness.
16031
160322000-01-12  Robert Lipe  <robertl@sco.com>
16033
16034	* i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
16035
160362000-01-12  Bernd Schmidt  <bernds@cygnus.co.uk>
16037
16038	* reload1.c (reload_reg_unavailable): New static variable.
16039	(reload_reg_free_p): Test it.
16040	(reload_reg_free_for_value_p): Test it instead of
16041	reload_reg_used.
16042	(choose_reload_regs_init): Compute it.
16043
16044Wed Jan 12 03:24:41 2000  Toshiyasu Morita (toshi.morita@sega.com)
16045
16046	* reorg.c (fill_slots_from_thread): Check modified_in_p
16047	before replacing.
16048
16049Wed Jan 12 03:20:31 2000  John Marshall <john_w_marshall@palm.com>
16050
16051	* gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
16052	these nodes even if INTERNALS is not set.
16053
16054Wed Jan 12 09:39:22 2000  Nick Burrett  <nick.burrett@btinternet.com>
16055
16056	* gcse.c (delete_null_pointer_checks_1): Cope when
16057	get_condition cannot determine the condition.
16058
160592000-01-12  Gabriel Dos Reis  <gdr@codesourcery.com>
16060
16061	* toplev.h (set_message_length): Declare.
16062
16063	* diagnostic.c (obstack_chunk_alloc): Define macro.
16064	(obstack_chunk_free): Likewise.
16065	(struct output_buffer): New data structure.
16066	(vmessage): Remove.
16067	(output_maximum_width): New variable.
16068	(doing_line_wrapping, set_message_length, init_output_buffer,
16069	get_output_prefix, output_space_left, emit_output_prefix,
16070	output_newline, output_append, output_puts, dump_output,
16071	vbuild_message_string, build_message_string, build_location_prefix,
16072	voutput_notice, output_printf, line_wrapper_printf,
16073	vline_wrapper_message_with_location):  New functions. Implement
16074	automatic line wrapping.
16075	(v_message_with_decl): Make it handle automatic line wrapping.
16076	(v_error_with_file_and_line): Likewise.
16077	(v_warning_with_file_and_line): Likewise.
16078	(announce_function): Likewise.
16079	(default_print_error_function): Likewise.
16080
160812000-01-11 16:24 -0800  Zack Weinberg  <zack@wolery.cumb.org>
16082
16083	* cpplib.h (struct cpp_options): Change lang_asm to char.
16084	Add lang_fortran.
16085	* cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
16086	done in cpp_handle_option now.
16087	(initialize_builtins): Take out special case code used only by
16088	__STDC_VERSION__.
16089	(cpp_handle_option): Turn off trigraphs and trigraph warnings
16090	if -traditional.  Recognize -lang-fortran and set
16091	lang_fortran, also turn off cplusplus_comments.
16092	(print_help): Document -lang-fortran.
16093	* cpplib.c (handle_directive): Ignore `# 123 "file"' if
16094	lang_asm. Ignore all directives other than `# 123 "file"' if
16095	CPP_PREPROCESSED.
16096	(cpp_get_token): If -traditional, don't recognize directives
16097	unless the # is in column 1.
16098	(parse_string): If lang_fortran or lang_asm, silently
16099	terminate strings ('' or "") at end of line.
16100	Remove unnecessary braces.
16101
161022000-01-11  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
16103	    Richard Henderson  <rth@cygnus.com>
16104
16105	* resource.c (mark_referenced_resources): Mark a set strict_low_part
16106	as used.
16107	* config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
16108	strict_low_part when possible.
16109
161102000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16111
16112	* alias.c: PROTO -> PARAMS.
16113	* basic-block.h: Likewise.
16114	* bitmap.c: Likewise.
16115	* bitmap.h: Likewise.
16116	* builtins.c: Likewise.
16117	* c-aux-info.c: Likewise.
16118	* caller-save.c: Likewise.
16119	* calls.c: Likewise.
16120
161212000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16122
16123	* Makefile.in (toplev.o): Depend on regs.h.
16124
16125	* output.h (tdesc_section): Prototype.
16126
16127	* regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
16128
16129	* sdbout.c: Include "tm_p.h".
16130
16131	* toplev.c: Include "regs.h".
16132
16133Tue Jan 11 11:37:58 2000  Mike Stump  <mrs@wrs.com>
16134
16135	* unroll.c (unroll_loop): Add EH support.
16136
161372000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16138
16139	* pa-protos.h: New file.
16140
16141	* pa.c: Include recog.h and tm_p.h.
16142	(compute_zdepwi_operands, compute_movstrsi_length,
16143	remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
16144	find_addr_reg, import_milli): Add static prototypes.
16145	(pa_cpu_string, pa_arch_string): Constify a char*.
16146	(legitimize_pic_address): Pass argument `mode' to pic_label_operand.
16147	(read_only_operand): Add argument `mode'.
16148	(singlemove_string, output_move_double, output_fp_move_double,
16149	output_block_move, output_and, output_ior, output_ascii,
16150	remove_useless_addtr_insns, milli_names, output_mul_insn,
16151	output_div_insn, output_mod_insn, output_arg_descriptor,
16152	output_cbranch, output_bb, output_bvb, output_dbra, ,
16153	output_millicode_call, output_call, hppa_encode_label,
16154	output_parallel_movb, output_parallel_addb): Constify a char*.
16155	(hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
16156	(output_parallel_addb): Remove extra arg to `constrain_operands'
16157
16158	* pa.h:  Move all prototypes to pa-protos.h.
16159	(pa_cpu_string, pa_arch_string): Constify a char*.
16160	(LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
16161
16162	* pa.md: Call `function_label_operand' with mode argument.
16163	Likewise for `read_only_operand'.
16164	Fix nesting of parens in call to `symbolic_operand'.
16165
161662000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16167
16168	* i860-protos.h: New file.
16169
16170	* i860.c: Include tm_p.h.  Add static prototypes.  Fix compile
16171	time warnings.
16172
16173	* i860.h: Move prototypes to i860-protos.h.  Fix compile time warnings.
16174
16175	* i860.md: Likewise.
16176
16177Tue Jan 11 18:59:35 MET 2000  Jan Hubicka <jh@suse.cz>
16178
16179	* i386.md (movstrsi expander): Rewrite.
16180	(movstrsi_1 insn): Deleted.
16181	(strmovhi, strmovqi expander): New expanders.
16182	(movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
16183	* i386.c (x86_single_stringop): New global variable.
16184	* i386.h (x86_single_stringop): Declare.
16185	(TARGET_SINGLE_STRINGOP): New macro.
16186
161872000-01-11  Clinton Popetz  <cpopetz@cygnus.com>
16188
16189	* config/mips/mips.c (mips_va_arg): For EABI, emit the queued
16190	integer vararg POSTINCREMENT before the destination of the jump
16191	for the hard fp case.
16192	(function_arg_pass_by_reference): Pass a copy of CUM to
16193	FUNCTION_ARG.
16194
16195	* config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
16196	for CONSTANT_ADDRESS_P above while loop for subreg.
16197
161982000-01-11  Clinton Popetz  <cpopetz@cygnus.com>
16199
16200	* flow.c (propagate_block): When a prologue/epilogue insn
16201	is marked dead, unconditionally clear libcall_is_dead and
16202	insn_is_dead, and only dump rtl if warnings aren't being
16203	suppressed.
16204
16205Tue Jan 11 16:26:47 MET 2000  Jan Hubicka <jh@suse.cz>
16206
16207	* i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
16208	* i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
16209	(FIXED_REGISTERS): Set dirflag as fixed.
16210	(CALL_USED_REGISTERS): Set dirflag as used.
16211	(REG_ALLOC_ORDER): Set dirflag as last one.
16212	(DIRFLAG_REG): New macro.
16213	(MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
16214	(HI_REGISTER_NAMES): Add dirflag.
16215	(DEBUF_PRINT_REG): Handle dirflag.
16216	* i386.md (type attribute): New cld and str types.
16217	(length_opcode attribute): Set cld and str to 1.
16218	(memory attribute): Set str to unknown - it is not clear from the
16219	patterns.
16220	(pent_np function unit): Prefixed string operations takes 12 cycles
16221	minimally; cld takes 2 cycles.
16222	(ppro_uops attribute): Str is "many" and cld is "few".
16223	(ppro_p0 unit): Handle cld here.
16224	(k6_alux unit): Handle cld and str types.
16225	(k6_load unit): It is ocupied by str opcodes.
16226	(k6_store unit): It is ocupied by str opcodes.
16227	(athlon_decode): Str is vector decoded.
16228	(athlon_ieu): Handle str and cld.
16229	(cld pattern): New.
16230	(movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
16231	(movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
16232	cmpstrsi_nz_1 insn): Do not output cld instruction
16233
16234Tue Jan 11 06:14:39 2000  David Starner <dstarner98@aasaa.ofe.org>
16235
16236	* gcc.texi (G++ and GCC): Add Java and Chill.
16237	(Bug Critera): Don't list languages.
16238
16239	* gcc.texi (Incompatibilities): No longer claim most C compilers
16240	are K&R.
16241
16242	* gcc.texi (G++ and GCC): Update other front-ends list.
16243
16244Tue Jan 11 05:49:01 2000  Jeffrey A Law  (law@cygnus.com)
16245
16246	* i386.c (ix86_expand_setcc): Fix typo.
16247	(ix86_expand_movcc): Similarly.
16248
16249	* Band-aid until haifa's bitset implementation is nuked.
16250	* haifa-sched.c (extract_bitlst): New parameter for size of the
16251	bitset in bits.  All callers changed.  Avoid looking at undefined
16252	bits in the bitset.
16253	(edgeset_bitsize): New variable.
16254	(schedule_region): Initialize edgeset_bitsize.
16255
162562000-01-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16257
16258	* Makefile.in (optabs.o): Depend on real.h
16259	(resource.o): Depend on insn-attr.h
16260
16261	* builtins.c (result_vector): Wrap prototype in macro conditions
16262	governing definition and use.
16263
16264	* c-common.c: Include tm_p.h.
16265
16266	* c-lex.c: Likewise.
16267
16268	* elfos.h: Constify a char*.
16269
16270	* final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
16271	(get_attr_length, shorten_branches, profile_after_prologue): Mark
16272	parameter with ATTRIBUTE_UNUSED.
16273
16274	* fold-const.c (exact_real_inverse): Wrap variable `i' in
16275	CHECK_FLOAT_VALUE.
16276
16277	* haifa-sched.c (schedule_insns): Mark parameter with
16278	ATTRIBUTE_UNUSED.
16279
16280	* optabs.c: Include real.h.
16281
16282	* real.h (ereal_atof): Add prototype arguments.
16283
16284	* resource.c: Include insn-attr.h.
16285
16286	* sdbout.c (sdbout_queue_anonymous_type,
16287	sdbout_dequeue_anonymous_types): Wrap in macro
16288	SDB_ALLOW_FORWARD_REFERENCES.
16289	(sdbout_init, sdbout_start_new_source_file): Mark parameter with
16290	ATTRIBUTE_UNUSED.
16291
16292	* stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
16293
16294	* stupid.c: Include tm_p.h.
16295
16296	* tree.c (real_value_from_int_cst): Mark parameter with
16297	ATTRIBUTE_UNUSED.
16298
162992000-01-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16300
16301	* i960-protos.h: New file.
16302
16303	* i960.c: Include tm_p.h.  Add static prototypes.  Fix compile
16304	time warnings.
16305
16306	* i960.h: Move prototypes to i960-protos.h.  Fix compile time warnings.
16307
163082000-01-10  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
16309
16310	* combine.c (expand_field_assignment): Do not discard SUBREGs
16311	while computing nonzero_bits.
16312
163132000-01-09  Nick Clifton  <nickc@cygnus.com>
16314
16315	* config/arm/arm.c: Fix compile time warnings about signed vs
16316	unsigned constants.
16317	* config/arm/arm.h: Fix compile time warnings about signed vs
16318	unsigned constants.
16319
163202000-01-09  Philip Blundell  <philb@gnu.org>
16321
16322	* config/arm/arm.c (output_return_instruction): Use `ldr' rather
16323	than `ldm' with only one register.
16324	* config/arm/arm.md (push_multi): Use `str' rather than `stm' with
16325	only one register.
16326
16327	* config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
16328	clobbered.
16329
16330Sun Jan  9 17:50:23 2000  Hans-Peter Nilsson  <hp@axis.com>
16331
16332	* config/ns32k/ns32k.md (load or push effective address): Operand 1
16333	must have SImode.
16334
163352000-01-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16336
16337	* elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
16338	assignment used as truth value.
16339
16340	* function.c (assign_temp): Mark parameter `dont_promote' with
16341	ATTRIBUTE_UNUSED.  Wrap variable `unsignedp' with macro
16342	PROMOTE_FOR_CALL_ONLY.
16343
16344	* genrecog.c (write_subroutine): Mark variable `operands' with
16345	ATTRIBUTE_UNUSED.
16346
16347	* optabs.c (prepare_cmp_insn): Mark parameter `align' with
16348	ATTRIBUTE_UNUSED.
16349
16350	* sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
16351	(sdbout_begin_block, sdbout_end_block): Likewise for `file'.
16352
16353	* toplev.c (note_deferral_of_defined_inline_function): Likewise
16354	for `decl'.
16355
163562000-01-09  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
16357
16358	* config/c4x.h: Tidy up comments.
16359	* config/c4x.c: Likewise.
16360
16361Sun Jan  9 01:02:55 EST 2000  John Wehle  (john@feith.com)
16362
16363	* fold-const.c (lshift_double, rshift_double): Handle
16364	shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
16365
163662000-01-08  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
16367
16368	* toplev.c (rest_of_compilation): Initialize cse_not_expected as
16369	in prepare_function_start().
16370
16371Sat Jan  8 12:12:46 2000  Nick Clifton  <nickc@cygnus.com>
16372
16373	* config/v850/v850.c (expand_epilogue): Interrupt functions no
16374	longer allocate extra stack for function calls.
16375
163762000-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
16377
16378	* config/c4x/c4x.md (*subqf3_set): Fix typo.
16379
163802000-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
16381
16382	* config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
16383
163842000-01-07  David Edelsohn  <edelsohn@gnu.org>
16385
16386	* rs6000.c (processor_target_table): Add power3 as alias for 630.
16387	* aix43.h: Revert Aug 2 change.
16388	(HAS_INIT_SECTION): Define, not visible yet.
16389	(LD_INIT_SWITCH): Define, not visible yet.
16390	* t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
16391
16392	* glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
16393
16394	* collect2.c (main): Expand ld2 size further.
16395	(export_object_lst): Cast assignment to avoid warning.
16396	(main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
16397	(scan_prog_file, COFF): Do not collect initialization or
16398	finalization functions generated for entire shared object if
16399	init/fini support present.
16400
164012000-01-07  Nick Clifton  <nickc@cygnus.com>
16402
16403	* config/elfos.h: Tidy up formatting of marcos.  Make sure
16404	that .section directives are always prefixed by a tab.
16405
16406	* config/svr4.h: Add #include "elfos.h" and remove duplicate
16407	definitions.
16408
164092000-01-07  Matt Austern  <austern@sgi.com>
16410
16411	* fold-const.c (real_hex_to_f): Remove duplicate declaration of
16412	expon.
16413
16414Fri Jan  7 01:55:34 2000  Jeffrey A Law  (law@cygnus.com)
16415
16416	* Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16417	crtstuff.c.
16418	(crtbegin.o, s-crtS): Likewise.
16419
164202000-01-06  Richard Henderson  <rth@cygnus.com>
16421
16422	* alpha.md (adddi_2+1): Limit offset such that it will be
16423	loadable with a single ldah+lda pair.
16424	(adddi_2+2): Explicitly fail split if we can't make it work.
16425
164262000-01-06  Mumit Khan  <khan@xraylith.wisc.edu>
16427
16428	* protoize.c: Conditionally include unistd.h.
16429	(IS_SAME_PATH_CHAR): New macro.
16430	(IS_SAME_PATH): New macro.
16431	(CPLUS_FILE_SUFFIX): New macro.
16432	(cplus_suffix): New static variable.
16433	(is_abspath): New static function.
16434	(in_system_include_dir): Handle DOS style pathnames.
16435	(file_could_be_converted): Likewise.
16436	(file_normally_convertible): Likewise.
16437	(directory_specified_p): Likewise.
16438	(file_excluded_p): Likewise.
16439	(abspath): Likewise.
16440	(shortpath): Likewise.
16441	(referenced_file_is_newer): Likewise.
16442	(save_def_or_dec): Likewise.
16443	(do_processing): Likewise.
16444	(main): Likewise.
16445	(edit_file): Likewise. Use rename instead of link.
16446	(rename_c_file): Likewise. Don't rename syscalls file.
16447	(munge_compile_params): Define null device for DOS based systems.
16448	(process_aux_info_file): Use binary mode if appliable.
16449	(edit_file): Likewise.
16450	* invoke.texi (Running Protoize): Document C++ suffixes used.
16451
16452	* cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16453	IS_DIR_SEPARATOR macros.
16454	* collect2.c: Likewise.
16455	* cppinit.c: Likewise.
16456	* dwarf2out.c: Likewise.
16457	* gcc.c: Likewise.
16458	* gcov.c: Likewise.
16459	* prefix.c: Likewise.
16460	* rtl.c: Likewise.
16461	* toplev.c: Likewise.
16462	* system.h: And move to here.
16463
16464	* prefix.c (update_path): Fix typo in variable name.
16465
164662000-01-06  Richard Henderson  <rth@cygnus.com>
16467
16468	* flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16469	(find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16470	(count_reg_sets_1, count_reg_references): Likewise.
16471	(flow_loops_level_compute): Start counting actual loop depth at 1.
16472	(flow_loops_find): Likewise.
16473	* local-alloc.c (update_equiv_regs): Likewise.
16474	* regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16475
164762000-01-06  Gabriel Dos Reis  <dosreis@cmla.ens-cachan.fr>
16477
16478	* defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16479	FIRST_PSEUDO_REGISTER
16480	* dwarf2out.c: Don't include frame.h
16481	* dwarfout.c: Likewise
16482	* Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16483	frame.h
16484
16485Thu Jan  6 13:44:59 CET 2000  Jan Hubicka  <jh@suse.cz>
16486
16487	* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16488	dead registers.
16489
16490	* i386.c (movsf splitter): Fix typo in my last checkin.
16491
164922000-01-05  Nick Clifton  <nickc@cygnus.com>
16493
16494	* varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16495	own definition of this macro.
16496	(asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16497	flag_data_sections or UNIQUE_SECTION_P are true.
16498
16499	* tm.texi (UNIQUE_SECTION): Document that it can be called for
16500	uninitialized data decls.
16501
16502	* config/i386/winnt.c (i386_pe_unique_section): Cope with
16503	being called for uninitialized data.
16504
16505	* config/i386/interix.c (i386_pe_unique_section): Cope with
16506	being called for uninitialized data.
16507
16508	* config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16509	for uninitialized data.
16510
16511	* config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16512	for uninitialized data.
16513
16514	* config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16515	for uninitialized data.
16516
16517	* config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16518	(UNIQUE_SECTION_P): Always generate a unique section if
16519	flag_data_sections is true.
16520	(UNIQUE_SECTION): Also generate unique sections for
16521	uninitialized data.
16522	(ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16523	(ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16524	named_section().
16525
165262000-01-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
16527
16528	* config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16529	SI, or DI.
16530
165312000-01-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
16532
16533	* config/c4x/c4x.md (udivqi3, divqi3): Delete.
16534	(umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16535	(*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16536	(*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16537	(*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16538
16539	* c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16540
165412000-01-05 11:25 -0800  Zack Weinberg  <zack@rabi.columbia.edu>
16542
16543	* c-decl.c (finish_enum): Simplify code to determine minimum and
16544	maximum values of the enum, and calculate the type.  Remove check
16545	for FUNCTION_DECLs in the values list, which cannot happen.  Replace
16546	the DECL_INITIAL of each enumeration constant with a copy converted
16547	to the enumeration type.  When updating variant types, don't bother
16548	updating the type itself.
16549
16550	* c-typeck.c (build_binary_op): Simplify conditional expressions
16551	when weeding out spurious signed-unsigned warnings.  Add new
16552	spurious warning category: if the unsigned quantity is an enum
16553	and its maximum value fits in signed_type(result_type).  Update
16554	commentary.
16555	(build_conditional_expr): Warn here if one alternative is signed
16556	and the other is unsigned.
16557
165582000-01-05  Nick Clifton  <nickc@cygnus.com>
16559
16560	* config/fr30/fr30.h: Remove extraneous comments.
16561
165622000-01-05  Bernd Schmidt  <bernds@cygnus.co.uk>
16563
16564	* reload1.c (choose_reload_regs): When disabling a reload, also
16565	set reload_spill_index to -1.
16566
165672000-01-04  Joel Sherrill (joel@OARcorp.com>
16568
16569	* configure.in (m68*-*-rtemscoff*): New target, formal name for
16570	old m68*-*-rtems*.
16571	(m68*-*-rtemself*): New target.
16572	(mips64orion-*-rtems*): Remove duplicate definition of tm_file.
16573	(sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
16574	(sparc*-*-rtemself*): New target.
16575	(sparc*-*-rtems*): Now elf not a.out.
16576	* config/i386/rtems.h: Include config/rtems.h.
16577	* config/i386/rtemself.h: Include config/rtems.h.
16578	* config/i960/rtems.h: Include config/rtems.h.
16579	* config/m68k/rtems.h: Include config/rtems.h.
16580	* config/m68k/rtemself.h: Include config/rtems.h.
16581	* config/mips/rtems64.h: Include config/rtems.h.
16582	* config/pa/rtems.h: Include config/rtems.h.
16583	* config/rs6000/rtems.h: Include config/rtems.h.
16584	* config/sh/rtems.h: Include config/rtems.h.
16585	* config/sh/rtemself.h: Include config/rtems.h.
16586	* config/sparc/rtems.h: Include config/rtems.h.
16587	* config/sparc/rtemself.h: Include config/rtems.h
16588
16589Tue Jan  4 23:59:26 2000  Denis Chertykov <denisc@overta.ru>
16590
16591	* final.c (shorten_branches): Correctly compute length of
16592	asms without operands.
16593
16594Tue Jan  4 22:55:41 2000  Steve Chamberlain <sac@pobox.com>
16595
16596	* configure.in: Add pj target.
16597	* configure: Regenerate.
16598	* config/pj: New directory.
16599	* config/pj/lib1funcs.S: New file.
16600	* config/pj/linux.h: New file.
16601	* config/pj/pj.c: New file.
16602	* config/pj/pj.md: New file.
16603	* config/pj/pjl.h: New file.
16604	* config/pj/t-pj: New file.
16605	* config/pj/xm-pj.h: New file
16606
16607Tue Jan  4 22:30:16 2000  Jeffrey A Law  (law@cygnus.com)
16608
16609	* toplev.c (rest_of_compilation): Run shorten-branches before
16610	reg-stack for now.
16611
166122000-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
16613
16614	* config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behavior of
16615	macros so that they're consistent with their names.
16616	* config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16617	* config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16618
166192000-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
16620
16621	* config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
16622	modified inadvertently.
16623
166242000-01-04  Joel Sherrill <joel@OARcorp.com>
16625
16626	* configure.in (v850*-*-rtems*): New target.
16627	* configure: Regenerate.
16628	* config/v850/rtems.h: New file.
16629
166302000-01-04  Mumit Khan  <khan@xraylith.wisc.edu>
16631
16632	* gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
16633	(__gthread_key_create): Likewise.
16634	(__gthread_key_dtor):  Likewise.
16635	(__gthread_once): Fix logic.
16636	(__gthread_key_delete): Cast away constness.
16637
16638	* i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
16639	* invoke.texi: Document.
16640	* i386/mingw32.h (CPP_SPEC): Use.
16641	(LIBGCC_SPEC): Likewise.
16642	* i386/crtdll.h (LIBGCC_SPEC): Likewise.
16643
166442000-01-04  David Edelsohn  <edelsohn@gnu.org>
16645
16646	* rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
16647	(HANDLE_PRAGMA_PACK): Undefine.
16648	(SLOW_UNALIGNED_ACCESS): Define.
16649
166502000-01-04  David Edelsohn  <edelsohn@gnu.org>
16651
16652	* expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16653	to default definition.
16654	(store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
16655	(store_fixed_bit_field): Call macro with word_mode and alignment.
16656	(extract_bit_field): Call macro with relevant mode and alignment.
16657	* expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16658	to default definition.
16659	(move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
16660	and alignment.
16661	(move_by_pieces_ninsns): Likewise.
16662	(clear_by_pieces): Likewise.
16663	(emit_push_insn): Likewise.
16664	(store_field): Call macro with relevant mode and alignment.
16665	(expand_expr): Likewise.
16666	(expand_expr_unaligned): Likewise.
16667
16668	* rs6000.h (HANDLE_PRAGMA_PACK): Define.
16669	(SLOW_UNALIGNED_ACCESS): Define.
16670	(CASE_VECTOR_MODE): Always use 32-bit offsets.
16671	(ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
16672	(EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
16673	(toc_section): Likewise and .toc pseudo-op.
16674	(ASM_DECLARE_FUNCTION): Likewise.  Align text more strictly in
16675	64-bit mode.
16676	(TEXT_SECTION_ASM_OP): Likewise.
16677	(ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
16678	32-bit offsets.
16679
16680	* a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
16681	* alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
16682	* arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
16683	* gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
16684	* fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
16685
16686Tue Jan  4 11:44:13 2000  Jeffrey A Law  (law@cygnus.com)
16687
16688	* regclass.c: Revert my Jan 4 change to loop cost computation.
16689
16690Tue Jan  4 19:22:39 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
16691
16692	* regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
16693	compilation.
16694
166952000-01-04  Stan Cox  <scox@cygnus.com>
16696
16697	* haifa-sched.c (build_control_flow): Change unreachable simple
16698	loop test to check if current block has only one predecessor.
16699	(find_rgns): Initialize degree.  Use dest as degree index, not src.
16700
167012000-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16702
16703	* builtins.c (expand_builtin_strlen): Initialize variable `icode'.
16704
16705	* calls.c (expand_call): Likewise for
16706	`old_stack_arg_under_construction'.
16707
16708	* cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
16709
16710	* function.c (pad_to_arg_alignment): Likewise for `save_var' and
16711	`save_constant'.
16712
16713	* gcc.c (execute): Likewise for `ut' and `st'.
16714
16715	* genattrtab.c (attr_rtx): Likewise for `rt_val'.
16716
16717	* genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
16718
16719	* jump.c (jump_optimize_1): Likewise for `temp2'.
16720
16721	* local-alloc.c (block_alloc): Likewise for `r1'.
16722
16723	* loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
16724
16725	* reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
16726	(subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
16727
16728	* regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
16729	and `set2'.
16730
16731	* reload.c (find_reloads): Likewise for `goal_alternative_number'
16732	and `goal_earlyclobber'.
16733
16734	* scan-decls.c (scan_decls): Likewise for `prev_id_end'.
16735
16736	* sdbout.c (sdbout_one_type): Likewise for `member_scl'.
16737
16738	* stupid.c (stupid_life_analysis): Likewise for `chain'.
16739
16740	* unroll.c (copy_loop_body): Likewise for `copy'.
16741
16742	* varasm.c (output_constructor): Likewise for `byte'.
16743
16744Tue Jan  4 15:34:34 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
16745
16746	* i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
16747	all FP constants for constant->reg moves.
16748	(ix86_split_to_parts): Try to convert memory address into immediate
16749	when available in the constant pool.
16750	* i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
16751	moves.
16752	(LEGITIMATE_CONSTANT_P): Return 1.
16753	* i386.md (pushsf): New splitter to convert constant pool memory
16754	reference to immediate.
16755	(mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
16756	reload.
16757
167582000-01-04  Bernd Schmidt  <bernds@cygnus.co.uk>
16759
16760	* i386.md (ashlsi3_cmpno): Don't accept variables shifts.
16761	(ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
16762	ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
16763	(rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
16764	rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
16765
167662000-01-04  Martin von L�wis  <loewis@informatik.hu-berlin.de>
16767
16768	* ginclude/stdbool.h:  Support compilation as C++.
16769
16770Tue Jan  4 01:35:13 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
16771
16772	* fold-const.c (make_range): Don't try to reverse an unbounded range.
16773
16774Tue Jan  4 00:18:46 2000  Jeffrey A Law  (law@cygnus.com)
16775
16776	* regclass.c (regclass): Properly compute loop_cost.  Adjust
16777	comments.
16778
16779	* regclass.c: Fix minor whitespace problems.
16780
167812000-01-03  Anthony Green  <green@cygnus.com>
16782
16783	* config/i386/i386.md (builtin_setjmp_receiver): New pattern.
16784	Restore the pic register if required.
16785
167862000-01-03  Ulrich Drepper  <drepper@cygnus.com>
16787
16788	* c-common.c (format_char_info): Update comment.
16789	(check_format_info): Recognize 'z' modifier in the same way 'Z'
16790	was recognized.  Emit warning for formats new in ISO C99 only
16791	if flag_isoc9x is not set.
16792
16793Mon Jan  3 12:59:54 2000  Mark P. Mitchell  <mark@codesourcery.com>
16794
16795	* config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
16796
16797Mon Jan  3 15:33:37 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
16798
16799	* combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
16800	SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
16801	(make_compound_operation): Choose cheaper alternative between
16802	ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
16803
16804	* regclass.c (op_costs): Remove global variable.
16805	(record_reg_classes): New parameter "op_costs" and "reg_pref".
16806	(record_operand_costs): Break out from ...
16807	(scan_one_insn): ... here.
16808	(dump_regclass): Make dumps nicer.
16809	(regclass): Dump preferrences choosed and changes done during passes.
16810
168112000-01-03  Jakub Jelinek  <jakub@redhat.com>
16812
16813	* config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
16814
168152000-01-03  Jakub Jelinek  <jakub@redhat.com>
16816
16817	* config/sparc/sparc.c (gen_df_reg): New function.
16818	* config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
16819	* config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
16820	movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
16821	movtf_cc_reg_sp64+1): Use it.
16822
168232000-01-02  Mark Mitchell  <mark@codesourcery.com>
16824
16825	* integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
16826	copied LABEL_DECLs.
16827
16828Mon Jan  3 02:54:40 2000  Hans-Peter Nilsson  <hp@bitrange.com>
16829
16830	* config/i386/i386.c (ix86_expand_unary_operator): Function
16831	definition made void.
16832	(ix86_expand_binary_operator): Update outdated preceding comment.
16833	* config/i386/i386-protos.h (ix86_expand_unary_operator): Update
16834	prototype.
16835
16836	* config/i386/i386.c (override_options): Fix option-name typo.
16837
168382000-01-02  Mark Mitchell  <mark@codesourcery.com>
16839
16840	* system.h (CEIL): Define.
16841	* builtins.c (CEIL): Remove.
16842	* expmed.c (CEIL): Likewise.
16843	* expr.c (CEIL): Likewise.
16844	* stor-layout.c (CEIL): Likewise.
16845
168462000-01-02  Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16847
16848	* expr.c (store_constructor_field): Fix typo introduced with last
16849	gcc2 merge.
16850
168512000-01-01  Mark Mitchell  <mark@codesourcery.com>
16852
16853	* tree.h (BINFO_N_BASETYPES): New macro.
16854
168552000-01-01  Bernd Schmidt  <bernds@cygnus.co.uk>
16856
16857	* expmed.c (emit_store_flag): Prevent losing a pending stack
16858	adjust the same way we prevent losing queued increments.
16859
16860See ChangeLog.2 for earlier changes.
16861