cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
[gcc.git] / gcc / ChangeLog
1 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2
3 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
5 (struct cpp_pool): New member first.
6 * cppinit.c (append_include_chain): Plug memory leaks.
7 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
8 Allocate pragma structures from the (aligned) macro pool to
9 avoid leaking memory.
10 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
11 so we don't leak memory.
12 * hashtable.c (ht_destroy): New.
13 * hashtable.h (ht_destroy): New.
14
15 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17
18 * c-lex.c (map): Make const.
19 (cb_file_change): Update for callback passing a line map.
20 Don't assume we have a previous map. Remove sanity check
21 about popping too many files.
22 * cpperror.c (print_location): Make map const.
23 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
24 (cpp_make_system_header): Similarly.
25 (search_from): Similarly.
26 (_cpp_execute_include): Don't remember where we came from.
27 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
28 (struct cpp_reader): Make map const.
29 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
30 * cpplib.c (do_line): Update; line maps now hold sysp.
31 (cpp_push_buffer): Similarly.
32 (_cpp_do_file_change): Similarly; callback with map instead.
33 (cpp_get_line_maps): Constify return value.
34 (_cpp_pop_buffer): Update.
35 * cpplib.h (struct cpp_file_change): Remove.
36 (struct cpp_callbacks): Update.
37 (cpp_get_line_maps): Constify return value.
38 * cppmacro.c (_cpp_create_definition): Update.
39 * cppmain.c (struct printer): Constify map.
40 (maybe_print_line): Similarly.
41 (print_line): Similarly. Deduce flags 1 and 2 here.
42 (cb_file_change): Update.
43 * line-map.c (free_line_maps): Warn regardless.
44 (add_line_map): Return pointer to const. When passed NULL to_file
45 with LC_LEAVE, use the obvious values for the return point so the
46 caller doesn't have to figure them out.
47 (lookup_line): Return pointer to const.
48 (print_containing_files): Take pointer to const.
49 * line-map.h (struct line_map): New members reason, sysp.
50 (add_line_map): Return pointer to const.
51 (lookup_line): Similarly.
52 (print_containing_files): Take pointer to const.
53
54 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
55 Richard Henderson <rth@redhat.com>
56
57 * regmove.c (regmove_optimize): Avoid setting a register twice in
58 a parallel set.
59
60 2001-08-10 Richard Henderson <rth@redhat.com>
61
62 * doc/extend.texi (Arrays and pointers implementation): Document
63 behavior of pointer/integer conversion.
64
65 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
66
67 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
68
69 2001-08-10 Richard Henderson <rth@redhat.com>
70
71 * doc/extend.texi (C Implementation): New chapter.
72 * doc/gcc.texi (Top): Link it in.
73
74 2001-08-10 Andrew Cagney <ac131313@redhat.com>
75
76 * doc/install.texi (Specific): Fix CVS merge botch.
77
78 2001-08-10 Richard Henderson <rth@redhat.com>
79
80 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
81 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
82
83 2001-08-10 Zack Weinberg <zackw@stanford.edu>
84
85 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
86 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
87 this macro is now required.
88
89 * cselib.c (cselib_process_insn), flow.c (propagate_block),
90 loop.c (find_and_verify_loops), reload.c (reload): Check
91 for rtx code of CALL_INSN, not CALL, when deciding if we
92 need to check for REG_SETJMP note.
93
94 * gcse.c (compute_hash_table, compute_store_table): Update
95 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
96 logic.
97
98 * config/avr/avr.c: Fix typo.
99 * config/convex/convex.c (expand_movstr): Use adjust_address.
100 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
101 variable.
102 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
103 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
104 Fix typo.
105 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
106 Do define STACK_BOUNDARY.
107 * config/i370/i370.c: Include expr.h.
108 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
109 config/pa/som.h, config/v850/v850.h: Take in_ctors and
110 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
111 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
112 * config/m88k/m88k.c: Include c-tree.h after expr.h.
113 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
114 * config/romp/romp.c: Include expr.h after tree.h.
115 Include toplev.h.
116 (output_fpop): Use xmalloc, not oballoc.
117 * config/we32k/we32k.c: Include expr.h.
118
119 2001-08-10 Kazu Hirata <kazu@hxi.com>
120
121 * config/h8300/h8300.h: Fix formatting.
122
123 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
124
125 * c-common.h (RETURN_NULLIFIED_P): Lose.
126 * c-semantics.c (genrtl_return_stmt): Don't check it.
127
128 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
129
130 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
131 (mips_annotate_frame_insn): New function.
132 (mips_emit_frame_related_store): New function.
133 (save_restore_insns): Don't mark instructions that set up the base
134 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
135 the store instructions instead.
136 (mips_expand_prologue): If the stack size is moved into a temporary
137 register, do not mark that move as frame-related. Add a
138 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
139
140 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
141
142 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
143 stack slot as unchanging if current_function_calls_eh_return.
144
145 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
146
147 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
148 access the second half of the TFmode scratch operand.
149
150 2001-08-10 Anthony Green <green@redhat.com>
151
152 * java/class.c (emit_register_classes): Conditionalize code on
153 JCR_SECTION_NAME.
154
155 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
156
157 * doc/install.texi (Specific, avr): Fix cross-reference to the
158 main manual to work both for info and HTML versions.
159
160 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
161
162 * stmt.c (expand_null_return_1): Remove code to generate simple returns
163 and "use_goto" argument.
164 (expand_null_return, expand_value_return): Update all callers.
165 * function.c (expand_function_end): Remove code to generate simple
166 return.
167 * config/vax/vax.md (epilogue): New expander for function return.
168 * doc/md.texi (epilogue): Remove "if defined".
169
170 2001-08-09 Zack Weinberg <zackw@stanford.edu>
171
172 * Makefile.in: Partially revert my previous change:
173 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
174 of the hashtab.o and safe-ctype.o rules.
175
176 2001-08-09 Richard Henderson <rth@redhat.com>
177
178 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
179 (USE_COLLECT2): Remove duplicate definition.
180 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
181 (use_collect2): Remove dead code.
182 * configure.in (use_collect2): Remove will_use_collect2 and
183 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
184 * configure: Rebuild.
185
186 * target.h (targetm.asm_out.constructor): New.
187 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
188 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
189 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
190 * varasm.c (in_ctors, in_dtors): New.
191 (assemble_constructor, assemble_destructor): Remove.
192 (default_stabs_asm_out_destructor): New.
193 (default_named_section_asm_out_destructor): New.
194 (dtors_section, default_dtor_section_asm_out_destructor): New.
195 (default_stabs_asm_out_constructor): New.
196 (default_named_section_asm_out_constructor): New.
197 (ctors_section, default_ctor_section_asm_out_constructor): New.
198 * output.h: Update declarations.
199 * c-decl.c (c_expand_body): Use target hooks instead of
200 assemble_constructor and assemble_destructor.
201 * profile.c (output_func_start_profiler): Likewise.
202 * objc/objc-act.c (finish_objc): Likewise.
203 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
204 for the constructor.
205 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
206
207 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
208 (DTORS_SECTION_ASM_OP): Likewise.
209 (__CTOR_LIST__): Use attribute section when possible.
210 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
211
212 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
213 ASM_OUTPUT_CONSTRUCTOR.
214
215 * config/darwin.c (machopic_asm_out_constructor): New.
216 (machopic_asm_out_destructor): New.
217 * config/darwin-protos.h: Update declarations.
218 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
219 (ASM_OUTPUT_DESTRUCTOR): Remove.
220 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
221 * config/nextstep.c (nextstep_asm_out_constructor): New.
222 (nextstep_asm_out_destructor): New.
223 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
224 (ASM_OUTPUT_DESTRUCTOR): Remove.
225 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
226 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
227 ASM_OUTPUT_*STRUCTOR.
228 * config/i386/aix386ng.h: Likewise.
229
230 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
231 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
232 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
233 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
234 * config/lynx.h: Likewise.
235 * config/netware.h: Likewise.
236 * config/psos.h: Likewise.
237 * config/alpha/alpha-interix.h: Likewise.
238 * config/alpha/elf.h: Likewise.
239 * config/arc/arc.h: Likewise.
240 * config/arm/aof.h: Likewise.
241 * config/arm/coff.h: Likewise.
242 * config/arm/elf.h: Likewise.
243 * config/c4x/c4x.h: Likewise.
244 * config/h8300/h8300.h: Likewise.
245 * config/i386/cygwin.h: Likewise.
246 * config/i386/djgpp.h: Likewise.
247 * config/i386/i386-coff.h: Likewise.
248 * config/i386/i386-interix.h: Likewise.
249 * config/i386/sco5.h: Likewise.
250 * config/i386/vsta.h: Likewise.
251 * config/i386/win32.h: Likewise.
252 * config/i960/i960-coff.h: Likewise.
253 * config/ia64/sysv4.h: Likewise.
254 * config/m68hc11/m68hc11.h: Likewise.
255 * config/m68k/coff.h: Likewise.
256 * config/m68k/mot3300.h: Likewise.
257 * config/m88k/m88k.h: Likewise.
258 * config/mcore/mcore-pe.h: Likewise.
259 * config/mcore/mcore.h: Likewise.
260 * config/mips/elf.h: Likewise.
261 * config/mips/elf64.h: Likewise.
262 * config/mips/iris6.h: Likewise.
263 * config/pa/pa64-hpux.h: Likewise.
264 * config/rs6000/sysv4.h: Likewise.
265 * config/sh/sh.h: Likewise.
266 * config/sparc/litecoff.h: Likewise.
267
268 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
269 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
270 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
271 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
272 (ASM_OUTPUT_DESTRUCTOR): Remove.
273 * config/a29k/a29k.c: Move include of tree.h.
274 * config/a29k/udi.h: Delete file.
275 * config/alpha/alpha.c (vms_asm_out_constructor): New.
276 (vms_asm_out_destructor): New.
277 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
278 (EXTRA_SECTION_FUNCTIONS): Likewise.
279 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
280 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
281 * config/c4x/c4x.c: Move include of tree.h.
282 * config/clipper/clipper.c (clix_asm_out_constructor): New.
283 (clix_asm_out_destructor): New.
284 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
285 (ASM_OUTPUT_DESTRUCTOR): Remove.
286 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
287 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
288 (TARGET_ASM_CONSTRUCTOR): New.
289 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
290 (sco_asm_out_constructor): New.
291 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
292 * config/i386/svr3gas.h: Remove stack grows up code.
293 Remove code duplicated from i386/sysv3.h.
294 (TARGET_ASM_CONSTRUCTOR): New.
295 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
296 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
297 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
298 (TARGET_ASM_CONSTRUCTOR): New.
299 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
300 (m68hc11_asm_out_destructor): New.
301 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
302 (TARGET_ASM_DESTRUCTOR): New.
303 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
304 * config/m68k/dpx2.h: Properly undef all the bits inherited from
305 config/svr3.h pertaining to section manipulation.
306 * config/m68k/dpx2g.h: Remove #if 0 code.
307 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
308 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
309 (ASM_OUTPUT_CONSTRUCTOR): Remove.
310 (TARGET_ASM_CONSTRUCTOR): New.
311 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
312 (m88k_svr3_asm_out_constructor): New.
313 (m88k_svr3_asm_out_destructor): New.
314 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
315 (ASM_OUTPUT_DESTRUCTOR): Remove.
316 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
317 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
318 * config/rs6000/aix.h: Likewise.
319 * config/mips/rtems64.h: Don't undef removed constructor related bits.
320 * config/mips/vxworks.h: Likewise.
321 * config/rs6000/lynx.h: Likewise.
322 * config/sh/elf.h: Likewise.
323 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
324 (DTORS_SECTION_ASM_OP): New.
325 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
326 (ASM_OUTPUT_DESTRUCTOR): Remove.
327 * config/sparc/sol2-sld-64.h: Likewise.
328 * config/vax/vax.c (vms_asm_out_constructor): New.
329 (vms_asm_out_destructor): New.
330 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
331 (ASM_OUTPUT_DESTRUCTOR): Remove.
332 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
333
334 * doc/tm.texi (@node Initialization): Update.
335
336 2001-08-09 Richard Henderson <rth@redhat.com>
337
338 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
339 (__do_global_dtors_aux): Use gp-relative static data to avoid
340 one dynamic relocation.
341 (__do_frame_setup): Register Java classes.
342 * config/alpha/crtend.asm (__JCR_END__): New.
343
344 2001-08-09 Zack Weinberg <zackw@stanford.edu>
345
346 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
347 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
348 (GEN, STAGESTUFF): Add new files.
349 (insn-constants.h, s-constants, tm-preds.h, s-preds,
350 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
351 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
352 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
353 as well as insn-codes.h and insn-flags.h in config.h; and no
354 extra headers in tconfig.h and hconfig.h.
355
356 * gencodes.c: Eliminate code to generate predicate declarations
357 or #defines for md-file constants.
358 * genconstants.c, genpreds.c: New files.
359
360 * i386.md: Re-order guard expressions such that TARGET_64BIT
361 comes first, when this permits better optimization. Add
362 TARGET_64BIT to more x86-64 patterns. Add comment explaining
363 why this is desirable.
364
365 2001-08-09 Jakub Jelinek <jakub@redhat.com>
366
367 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
368 (find_fde_for_dso): Remove.
369 (_Unwind_IteratePhdrCallback): New.
370 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
371 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
372
373 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
374
375 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
376 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
377
378 2001-08-09 Graham Stott <grahams@redhat.com>
379
380 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
381 (vis_no_unit): Use it.
382 (visualize_no_unit): Add the insn only if room exists.
383
384 2001-08-09 Graham Stott <grahams@redhat.com>
385
386 * predict.c (estimate_probability): Replace magic numbers with
387 appropriate enumeration.
388
389 2001-08-09 Graham Stott <grahams@redhat.com>
390
391 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
392 parameter.
393 (EXTRACT_FLAGS): Likewise.
394
395 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
396
397 * config/mips/mips.c (mips_legitimate_address_p): Check for
398 CONST_INT in last patch.
399
400 2001-08-08 Anthony Green <green@redhat.com>
401
402 * java/class.c (emit_register_classes): Use assemble_jcr if
403 possible. Keep the original mechanism as a fallback.
404 * defaults.h (JCR_SECTION_NAME): Define if we have named section
405 and weak symbol support.
406 * crtstuff.c (__JCR_LIST__): Define.
407 (__JCR_END__): Define.
408 (_Jv_RegiserClasses): Define weak symbol if possible.
409 (__do_global_ctors_aux): Register classes for ELF targets with
410 weak symbol support.
411
412 2001-08-08 Kazu Hirata <kazu@hxi.com>
413
414 * dbxout.c: Fix comment formatting.
415 * dependence.c: Likewise.
416 * df.c: Likewise.
417 * diagnostic.c: Likewise.
418 * dominance.c: Likewise.
419 * doprint.c: Likewise.
420 * dwarf2out.c: Likewise.
421 * dwarfout.c: Likewise.
422 * emit-rtl.c: Likewise.
423 * except.c: Likewise.
424 * explow.c: Likewise.
425 * expmed.c: Likewise.
426 * expr.c: Likewise.
427 * flow.c: Likewise.
428 * fold-const.c: Likewise.
429 * function.c: Likewise.
430
431 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
432
433 * global.c (retry_global_alloc): Avoid shadowing allocno.
434
435 2001-08-08 Mark Mitchell <mark@codesourcery.com>
436
437 * except.c (remove_fixup_regions): Fix typo.
438
439 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
440
441 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
442 unsigned HOST_WIDE_INT to avoid warning.
443 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
444 * flow.c (set_block_for_new_insns): Likewise.
445
446 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
447
448 * sibcall.c (return_value_pseudo): New static variable.
449 (skip_copy_to_return_value): Handle return_value_pseudo.
450 (call_ends_block_p): Ensure that return_value_pseudo is set.
451 (optimize_sibling_and_tail_recursive_call): Discover the
452 load of pseudo return value in alternate exit block.
453
454 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
455
456 * calls.c (ECF_ALWAYS_RETURN): New constant.
457 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
458 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
459 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
460 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
461 * rtl.c (reg_note_name): New name.
462 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
463
464 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
465
466 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
467
468 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
469
470 * alias.c (get_alias_set): Return a previously calculated
471 alias set for a VAR_DECL.
472 * function.c (gen_mem_addressof): Calculate the alias set before
473 touching the RTL.
474
475 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
476
477 * predict.def: Set hitrates according our experimental run.
478
479 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
480
481 * i386.h (HARD_REGNO_RENAME_OK): New macro.
482
483 2001-08-08 H.J. Lu <hjl@gnu.org>
484
485 * config/mips/mips.c (mips_unique_section): New. Copied from
486 config/mips/elf.h.
487
488 * config/mips/mips-protos.h (mips_unique_section): New
489 prototype.
490
491 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
492
493 * config/mips/little.h: New. Generic little endian mips
494 targets. Only mips*-*-linux* is converted to use it so far.
495
496 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
497 (WCHAR_TYPE): Defined
498 (WCHAR_TYPE_SIZE): Likewise.
499 (INIT_SUBTARGET_OPTABS): Likewise.
500 (BSS_SECTION_ASM_OP): Likewise.
501 (SBSS_SECTION_ASM_OP): Likewise.
502 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
503 (ASM_DECLARE_OBJECT_NAME): Likewise.
504 (UNIQUE_SECTION): Likewise.
505 (EXTRA_SECTIONS): Likewise.
506 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
507 (ASM_OUTPUT_DESTRUCTOR): Likewise.
508 (ASM_OUTPUT_DEF): Likewise.
509 (HANDLE_SYSV_PRAGMA): Removed.
510 (NO_IMPLICIT_EXTERN_C): Likewise.
511 (TARGET_MEM_FUNCTIONS): Likewise.
512 (STARTFILE_SPEC): Likewise.
513 (ENDFILE_SPEC): Likewise.
514 (LIB_SPEC): Likewise.
515 (INVOKE__main): Likewise.
516 (CTOR_LIST_BEGIN): Likewise.
517 (CTOR_LIST_END): Likewise.
518 (DTOR_LIST_BEGIN): Likewise.
519 (DTOR_LIST_END): Likewise.
520 (SET_ASM_OP): Likewise.
521 (ASM_OUTPUT_SOURCE_LINE): Likewise.
522 (ASM_OUTPUT_DEF): Likewise.
523 (ASM_OUTPUT_IDENT): Likewise.
524
525 * config/mips/mips.h (ASM_SPEC): Undefine before define.
526 (CPLUSPLUS_CPP_SPEC): Likewise.
527 (ASM_APP_ON) Redefine only if not defined.
528 (ASM_APP_OFF): Likewise.
529 (ASM_OUTPUT_SOURCE_LINE): Likewise.
530 (ASM_OUTPUT_IDENT): Likewise.
531
532 * config.gcc: Update tm_file for Linux/mips.
533
534 2001-08-08 Bernd Schmidt <bernds@redhat.com>
535
536 * cselib.c (cselib_record_sets): If insn is predicated, turn
537 sources into IF_THEN_ELSEs.
538
539 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
540 Turn into define_insn_and_split.
541
542 * sched-deps.c: Include "cselib.h".
543 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
544 Use cselib to turn memory addresses into VALUEs.
545 (sched_analyze): Call cselib_init/cselib_finish if necessary.
546 * sched-int.h (struct sched_info): New member USE_CSELIB.
547 * sched-ebb.c (ebb_sched_info): Initialize it.
548 * sched-rgn.c (rgn_sched_info): Likewise.
549 * Makefile.in (sched-deps.o): Update dependencies.
550
551 * cselib.h (cselib_subst_to_values): Declare.
552 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
553 that have no value and autoincs to be handled by generating a new
554 dummy value.
555
556 2001-08-08 Graham Stott <grahams@redhat.com>
557
558 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
559 within fixed length SEQUENCE.
560
561 2001-08-08 Graham Stott <grahams@redhat.com>
562
563 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
564 (diagnostic_prefixing_rule): Likewise.
565 (diagnostic_line_cutoff): Likewise.
566 (diagnostic_kind_count): Likewise.
567
568 2001-08-08 Graham Stott <grahams@redhat.com>
569
570 * alias.c (find_base_decl): Delete redundent assignment.
571
572 2001-08-08 Graham Stott <grahams@redhat.com>
573
574 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
575 (abs): Uppercase and paranthesize macro parameter.
576 (MEM_DEPENDENCY): Add whitespace.
577
578 2001-08-08 Graham Stott <grahams@redhat.com>
579
580 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
581 failure check for CONST_INT
582
583 2001-08-08 Graham Stott <grahams@redhat.com>
584
585 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
586 (libcall_dead_p): Likewise.
587
588 (mark_used_regs): Constify fmt.
589 (find_use_as_address): Likewise.
590
591 2001-08-08 Graham Stott <grahams@redhat.com>
592
593 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
594 parameter.
595
596 2001-08-08 Graham Stott <grahams@redhat.com>
597
598 * combine.c (combine_simplify_rtx): Update comment and
599 remove erroneous test.
600
601 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
602
603 * cppinit.c (cpp_finish): Pop the final buffer without comment.
604 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
605 take care to avoid multiple no-newline at EOF warnings in that
606 case.
607
608 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
609
610 * calls.c (expand_call): Do not emit INSN_SETJMP note.
611 (emit_library_call_value_1): Likewise.
612 (emit_call_1): Emit REG_SETJMP note.
613 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
614 of INSN_SETJMP
615 * cselib.c (cselib_process_insn): Likewise.
616 * flow.c (propagate_block): Likewise.
617 * loop.c (find_and_verify_loops): Likewise.
618 * reload.c (find_equiv_regs): Likewise.
619 * reload1.c (reload): Likewise.
620 * resource.c (mark_referenced_resources,
621 mark_set_resources): Likewise.
622 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
623 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
624 * haifa-sched.c (unlink_other_notes): Likewise.
625 (reemit_notes): Likewise.
626 * sched-ebb.c (sched_ebb): Likewise.
627 * sched-rgc.c (sched_region): Likewise.
628 * rtl.c (note_insn_name): Likewise.
629 (reg_note_name): Add REG_SETJMP
630 * rtl.h (reg_note): Add REG_SETJMP.
631 (insn_note): Remove NOTE_INSN_SETJMP.
632
633 * profile.c (branch_prob): Add fake edges for setjmp.
634
635 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
636
637 * config.gcc: Quote target_cpu_default2 correctly for
638 powerpc*-*-* targets.
639
640 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
641
642 * cpplib.h, line-map.h: Update comments.
643 * cppmain.c (printer_init): Move inline.
644 (maybe_print_line, print_line): Take a map pointer.
645 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
646 (cb_file_change): Don't use prior value of print.map.
647
648 2001-08-07 David Edelsohn <edelsohn@gnu.org>
649
650 * doc/install.texi: Document fine-grained multilib configuration.
651
652 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
653
654 * rtlanal.c (find_first_parameter_load): Call note_stores
655 only on the instructions.
656
657 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
658
659 * alias.c (nonlocal_mentioned_p):
660 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
661 * calls.c (emit_call_1): Likewise.
662 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
663 * cselib.c (cselib_process_insn): Likewise.
664 * df.c (df_insns_modify): Likewise.
665 * flow.c (need_fake_edge_p): Likewise.
666 (propagate_one_insn): Likewise.
667 * haifa-sched.c (reemit_notes): Likewise.
668 * integrate.c (copy_insn_list): Likewise.
669 * jump.c (delete_prior_computation): Likewise.
670 * local-alloc.c (validate_equiv_mem): Likewise.
671 * loop.c (scan_loop): Likewise.
672 * predict.c (estimate_probability): Likewise.
673 * reload.c (reload): Likewise.
674 * sched-deps (sched_analyze): Likewise.
675 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
676 * gcse.c (compute_hash_table): Likewise.
677 (mark_call): Likewise.
678 (store_killed_in_insn): Likewise.
679
680 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
681
682 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
683
684 2001-08-06 Richard Henderson <rth@redhat.com>
685
686 * varasm.c (assemble_gc_entry): Remove.
687 * output.h: Likewise.
688
689 2001-08-06 Richard Henderson <rth@redhat.com>
690
691 * varasm.c (assemble_constructor): Take a symbol_ref and a
692 priority instead of a bare string. Move priority handling
693 here from cp/decl2.c.
694 * output.h: Update decls.
695
696 * c-decl.c (c_expand_body): Update calls to assemble_constructor
697 and assemble_destructor.
698 * profile.c (output_func_start_profiler): Likewise.
699 * objc/objc-act.c (finish_objc): Likewise.
700 (build_module_descriptor): Return the symbol not the symbol name.
701
702 2001-08-06 David Edelsohn <edelsohn@gnu.org>
703
704 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
705 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
706 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
707 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
708 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
709 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
710
711 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
712
713 * cpperror.c (print_containing_files): Moved to line-map.c.
714 (print_location): line-map.c handles re-listing or otherwise.
715 * cpphash.h (struct lexer_state): Remove next_bol.
716 (struct cpp_buffer): Remove include_stack_listed.
717 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
718 Remove faked buffer handling.
719 (_cpp_do_file_change): Tweak.
720 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
721 * cppmain.c (struct printer): Remove filename.
722 (print_line, cb_file_change): Update accordingly.
723 * line-map.c: Include intl.h.
724 (init_line_maps): Initialize last_listed.
725 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
726 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
727 (print_containing_files): New.
728 * line-map.h (struct line_maps): New member last_listed.
729 (print_containing_files, INCLUDED_FROM): New.
730 * Makefile.in: Update.
731 * po/POTFILES.in: Add line-map.c.
732
733 2001-08-06 Richard Henderson <rth@redhat.com>
734
735 * except.c (convert_from_eh_region_ranges_1): Never mark
736 USE or CLOBBER insns as throwing.
737
738 * expr.c (store_constructor): Don't clobber memory targets.
739
740 2001-08-06 Andreas Jaeger <aj@suse.de>
741
742 * profile.c (branch_prob): Remove unused variable insn.
743
744 * Makefile.in (local-alloc.o): Add dependency on except.h.
745
746 * local-alloc.c: Include except.h for can_throw_internal prototype.
747
748 2001-08-06 Richard Henderson <rth@redhat.com>
749
750 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
751 * function.c (expand_main_function): Implement it.
752 * doc/tm.texi: Document it.
753
754 2001-08-06 Stan Shebs <shebs@apple.com>
755
756 * doc/install.texi: Document powerpc-*-darwin* details.
757
758 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
759
760 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
761 (ASM_CPU_SPEC): Move back to rs6000.h
762 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
763
764 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
765
766 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
767 readded.
768
769 * config/rs6000/linux64.h: Ditto.
770
771 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
772 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
773 nothing.
774
775 Remove accidently readded definitions of FUNCTION_PROLOGUE,
776 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
777
778 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
779 to rs6000.h
780
781 2001-08-05 Richard Henderson <rth@redhat.com>
782
783 * local-alloc.c (update_equiv_regs): Do not move insns that
784 can throw.
785
786 2001-08-05 Jan Hubicka <jh@suse.cz>
787
788 * Makefile.in (reload1.o): Add dedendancy on except.h
789 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
790 prototypes.
791 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
792 indicating wehther edges has been cleaned up.
793 * reload1.c: Inlucde except.h
794 (fixup_abnormal_edges): Accept deleted insns.
795 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
796 after combine.
797
798 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
799
800 * cpplib.c (do_line): Correct line number after pop_buffer.
801
802 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
803
804 PR preprocessor/3824
805 * line-map.c: Update comments.
806 * line-map.h: Update comments.
807 * tradcif.y: Don't consider large numbers unsigned.
808
809 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
810
811 PR preprocessor/3081
812 * c-lex.c (map): New.
813 (cb_file_change): Update map and use it.
814 (cb_def_pragma, cb_define, cb_undef): Use map and line.
815 (c_lex): Update to use map.
816 * cpperror.c (print_location): Move to using logical line numbers.
817 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
818 (cpp_make_system_header): Similarly.
819 (_cpp_execute_include): Stop line numbering hacks. Store the
820 line we will return to.
821 * cpphash.h (CPP_BUF_LINE): Remove.
822 (struct cpp_buffer): Remove lineno and pseudo_newlines.
823 Add map and return_to_line.
824 (_cpp_do_file_change): Update.
825 * cppinit.c (cpp_start_read): Update line kludge.
826 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
827 (trigraph_ok): Use logical line numbers for diagnostics.
828 (skip_block_comment): Likewise.
829 (skip_whitespace): Likewise.
830 (skip_line_comment): Use pfile->line instead.
831 (_cpp_lex_token): Update to use logical line numbering exclusively.
832 Handle BOL locally. Accept new lines in directives, but keep
833 pfile->line decremented. Diagnostics use logical lines. Update
834 directive handling.
835 * cpplib.c (SEEN_EOL): New.
836 (skip_rest_of_line, check_eol): Use it.
837 (end_directive): Increase line number when accepting the newline
838 at the end of a directive.
839 (run_directive): Simplify.
840 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
841 (_cpp_do_file_change): Update to take buffer line number as an
842 argument, and store the current map in the cpp_reader. Remove
843 line number kludges.
844 (_cpp_do__Pragma): Restore output position after a _Pragma.
845 (cpp_push_buffer): Don't set output line or lineno.
846 (_cpp_pop_buffer): Transfer more info from a faked buffer.
847 Remove line kludge. Set output_line.
848 * cppmacro.c (builtin_macro): Update handling of __LINE__.
849 (parse_arg): Use logical lines.
850 (save_lookahead_token): Save EOFs too now.
851 * cppmain.c (struct printer): Fix comments.
852 (printer_init): Simplify, let caller do errors.
853 (scan_translation_unit, check_multiline_token, dump_macro): Update.
854 (maybe_print_line): Simplify.
855 (print_line): Don't print a linemarker if -P.
856 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
857 (cb_file_change): Simplify.
858 * line-map.h (LAST_SOURCE_LINE): Fix.
859 (CURRENT_LINE_MAP): New.
860
861 2001-08-05 Bernd Schmidt <bernds@redhat.com>
862
863 * doloop.c (doloop_modify_runtime): Properly compute number of
864 iterations if loop was unrolled.
865
866 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
867 if their CSELIB_VAL_PTRs are.
868
869 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
870 (setup_spill_pointers): Initialize it.
871 (spill_restore_mem): Set it.
872 (do_spill, do_restore): Use it to add REG_INC note.
873 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
874
875 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
876 asms if other insns are available.
877
878 * config/ia64/ia64.c (condop_operator): New predicate.
879 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
880 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
881 patterns.
882
883 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
884 temporary register than directly using a MEM.
885
886 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
887
888 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
889 parameter in last change.
890
891 2001-08-04 Zack Weinberg <zackw@panix.com>
892
893 * sparc.md: Don't use #if inside C test expression.
894
895 2001-08-04 Richard Henderson <rth@redhat.com>
896
897 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
898
899 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
900
901 * cpphash.h (struct cpp_reader): New member directive_line.
902 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
903 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
904 do_pragma): Pass line to callbacks.
905 (start_directive): Record line of directive.
906 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
907 cb_include): Similarly.
908 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
909 Similarly.
910
911 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
912
913 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
914 comment.
915
916 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
917
918 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
919
920 * reload1.c (fixup_abnormal_edges): New static function.
921 (reload): Use it.
922
923 * flow.c (need_fake_edge_p): New function.
924 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
925 avoid call insn to be very last insn in the insn stream.
926
927 * profile.c (branch_prob): Call flow_call_edges_add instead of
928 doing that by hand; cleanup cfg to re-merge basic blocks once
929 we are done.
930
931 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
932
933 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
934 are also on line-map.h.
935 * cppfiles.c (stack_include_file): Update.
936 * cpphash.h (struct cpp_buffer): New member return_at_eof.
937 (_cpp_pop_buffer): New.
938 * cppinit.c (cpp_destroy, cpp_finish): Update.
939 (do_includes): Mark each buffer to return at EOF.
940 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
941 return as requested.
942 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
943 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
944 * cpplib.h (cpp_pop_buffer): Remove.
945 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
946 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
947 buffers.
948 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
949 to pop buffers.
950 (do_preprocessing): Update.
951 * fix-header.c (read_scan_file): Update. No need to pop buffers.
952 * c-parse.in (_yylex): Similarly.
953 * scan-decls.c (scan_decls): Similarly.
954 * line-map.h: Update comments.
955
956 * objc/Make-lang.in (objc-act.o): Update dependencies.
957
958 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
959
960 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
961 and soft register for operand 0.
962 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
963
964 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
965
966 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
967 register for operand 0.
968 ("bitcmpqi_z_used"): Allow memory for operand 0.
969 (split "bitcmpqi"): New split to handle address reg as operand 1.
970
971 2001-08-04 Andreas Jaeger <aj@suse.de>
972
973 * gcse.c: Revert Daniel's last patch.
974
975 2001-08-03 Zack Weinberg <zackw@stanford.edu>
976
977 * sparc-protos.h: Add prototypes for fp_zero_operand and
978 reg_or_0_operand.
979 * sh-protos.h: Add prototype for fpul_operand.
980
981 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
982
983 * doc/extend.texi (Other Builtins): Fix typo in last change.
984
985 2001-08-03 Richard Henderson <rth@redhat.com>
986
987 * target.h (gcc_target): Add asm_out.named_section,
988 section_type_flags, have_named_sections.
989 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
990 (TARGET_HAVE_NAMED_SECTIONS): New.
991 (TARGET_SECTION_TYPE_FLAGS): New.
992
993 * Makefile.in (toplev.o): Depend on TARGET_H.
994 (varasm.o, dbxout.o): Likewise.
995 * c-common.c (decl_attributes): Check targetm.have_named_sections
996 instead of ifdef ASM_OUTPUT_SECTION_NAME.
997 * dbxout.c (dbxout_function_decl): Likewise.
998 (dbxout_function_end): Likewise.
999 * toplev.c (compile_file): Likewise.
1000 * varasm.c (exception_section): Likewise.
1001 * cp/decl2.c (finish_objects): Likewise.
1002
1003 * defaults.h (EH_FRAME_SECTION): Remove.
1004 (EH_FRAME_SECTION_ASM_OP): Remove.
1005 (EH_FRAME_SECTION_NAME): New.
1006 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1007 (UNIQUE_SECTION_P): Remove.
1008 * dwarf2out.c (SECTION_FORMAT): Remove.
1009 (ASM_OUTPUT_SECTION): Remove.
1010 (output_call_frame_info): Use named_section_flags.
1011 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1012 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1013 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1014 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1015 (named_section_flags): New.
1016 (named_section): Use it and targetm.section_type_flags.
1017 (resolve_unique_section): New.
1018 (assemble_start_function): Use it.
1019 (asm_emit_uninitialised, assemble_variable): Likewise.
1020 (default_section_type_flags): New.
1021 (default_no_named_section, default_elf_asm_named_section): New.
1022 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1023 * output.h: Update varasm.c decls.
1024 (SECTION_*): New flags.
1025
1026 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1027 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1028
1029 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1030 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1031 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1032 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1033 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1034 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1035 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1036 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1037 * config/pa/pa64-hpux.h,
1038
1039 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1040 (TARGET_ASM_NAMED_SECTION): New.
1041 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1042 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1043 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1044 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1045 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1046 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1047 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1048 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1049 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1050 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1051 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1052 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1053 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1054 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1055 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1056 * config/sparc/sysv4.h: Likewise.
1057
1058 * config/nextstep.h: Error until named sections implemented.
1059
1060 * config/a29k/a29k.c (a29k_asm_named_section): New.
1061 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1062 (vms_section_type_flags, vms_asm_named_section): New.
1063 * config/arm/arm.c (arm_elf_asm_named_section): New.
1064 * config/avr/avr.c (asm_output_section_name): Remove.
1065 * config/avr/avr-protos.h: Update.
1066 * config/c4x/c4x.c (c4x_asm_named_section): New.
1067 * config/h8300/h8300.c (h8300_asm_named_section): New.
1068 * config/i386/i386.c (sco_asm_named_section): New.
1069 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1070 (i386_pe_section_type_flags): New.
1071 (i386_pe_asm_named_section): New.
1072 * config/i386/i386-protos.h: Update.
1073 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1074 * config/mcore/mcore.c (mcore_asm_named_section): New.
1075 * config/mips/mips.c (iris6_asm_named_section): New.
1076 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1077 instead of UNIQUE_SECTION_P.
1078 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1079 (xcoff_asm_named_section): New.
1080 * config/sh/sh.c (sh_asm_named_section): New.
1081 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1082
1083 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1084 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1085 (EH_FRAME_SECTION_NAME): New.
1086 (EXCEPTION_SECTION): New.
1087 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1088 (DEBUG_*_SECTION): Remove.
1089 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1090 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1091 (EH_FRAME_SECTION_ASM_OP): Remove.
1092
1093 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1094 (ASM_OUTPUT_SECTION_NAME): Remove.
1095 (TARGET_ASM_NAMED_SECTION): New.
1096 (TARGET_HAVE_NAMED_SECTIONS): New.
1097 (TARGET_SECTION_TYPE_FLAGS): New.
1098 (EH_FRAME_SECTION_ASM_OP): Remove.
1099 (EH_FRAME_SECTION_NAME): New.
1100
1101 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1102
1103 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1104 for complex expressions when cfun == 0.
1105 * doc/extend.texi: Document that __builtin_constant_p can be
1106 used in data initializers as well as functions.
1107
1108 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1109
1110 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1111 variable I locally, instead of expecting a declaration in the
1112 calling context.
1113
1114 2001-08-03 Richard Henderson <rth@redhat.com>
1115
1116 * except.c (collect_one_action_chain): Add an explicit cleanup
1117 action if regions surrounding a catch were encoded entirely
1118 within the call-site entry.
1119
1120 2001-08-03 Richard Henderson <rth@redhat.com>
1121
1122 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1123 don't take REGNO of a non-register.
1124
1125 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1126
1127 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1128 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1129 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1130 (__gthread_mutex_init_function): New function for mutex initialization.
1131
1132 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1133
1134 * Makefile.in: Revert screwed up commit.
1135
1136 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1137
1138 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1139 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1140 merged by linker script to get a final _exit().
1141 (__do_global_dtors): New for destructor handling in specific exit
1142 section.
1143 (__do_global_ctors): New for constructors in specific install section.
1144 (__map_data_section): Map data sections before running constructors.
1145 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1146 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1147 (DTORS_SECTION_ASM_OP): Likewise.
1148 (CTORS_SECTION_FUNCTION): Define to force a reference to
1149 __do_global_ctors.
1150 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1151
1152 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1153
1154 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1155
1156 * Makefile.in: Add df.h to gcse.c dependencies.
1157
1158 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1159
1160 * varasm.c (output_constant_def_contents): Use for the length of a
1161 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1162 depending on which is larger.
1163
1164 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1165
1166 * gcse.c: Include df.h for use as a dataflow analyzer.
1167 Remove regvec.
1168 Declaration of reg_set_info: gone.
1169 New df_analyzer variable used by store motion.
1170 (reg_set_info): Deleted.
1171 (mark_mem_regs): New function, analyze regs used by a mem.
1172 (store_ops_ok): Use dataflow analyzer results to determine if
1173 necessary regs are changed in the block.
1174 (find_moveable_store): Remove check for symbol ref, we can handle
1175 much more complex expressions now.
1176 (compute_store_table): Remove most of the code, it's unnecessary
1177 now that the dataflow analyzer records the info for us.
1178 (store_killed_after): Add parameter to say whether to do the
1179 store_ops_okay test, used to speed up testing when we already know
1180 the answer, and just want to know if the store itself was killed.
1181 (build_store_vector): Largely rewritten to calculate the various
1182 vectors properly, and somewhat optimized.
1183 (store_motion): Init the df_analyzer, get REG_DEF chains.
1184 Also handle trapping expressions (since mems almost always trap)
1185 (simple_mem): Redefine what a simple mem is.
1186
1187 2001-08-03 DJ Delorie <dj@redhat.com>
1188
1189 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1190 set from a constant part of the condition.
1191
1192 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1193
1194 * mkdeps.c (deps_add_default_target): Make local variable
1195 ``start'' a const char pointer.
1196 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1197
1198 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1199
1200 * doc/install.texi (Configuration): Fix markup.
1201 (Specific, i?86-*-udk): Likewise.
1202 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1203 --with-gnu-ld.
1204 Document --enable-threads and --enable-libgcj status.
1205 (Specific, mips-sgi-irix*): Canonicalize triples.
1206 (Specific, mips-sgi-irix5): Warn about problems with this config.
1207 Mention required GNU as patch.
1208 Native assembler problems are fixed.
1209 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1210 Document --enable-threads and --enable-libgcj status.
1211
1212 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1213
1214 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1215 of mkinstalldirs.
1216
1217 2001-08-03 Richard Henderson <rth@redhat.com>
1218
1219 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1220 constant data.
1221
1222 2001-08-03 Richard Henderson <rth@redhat.com>
1223
1224 * rtlanal.c (find_first_parameter_load): Stop if we
1225 reach a CODE_LABEL at BOUNDARY.
1226
1227 2001-08-03 Richard Henderson <rth@redhat.com>
1228
1229 * config/alpha/alpha.md (force_movdi): New insn.
1230 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1231 Tweek FRP marking of VMS prologue insns.
1232 * config/alpha/vms.h (EPILOGUE_USES): New.
1233
1234 2001-08-02 Richard Henderson <rth@redhat.com>
1235
1236 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1237
1238 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1239
1240 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1241 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1242 config/convex/convex.h, config/d30v/d30v.c,
1243 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1244 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1245 config/mips/mips.h, config/mn10200/mn10200.h,
1246 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1247 config/v850/v850.h, config/vax/openbsd.h,
1248 config/vax/openbsd1.h, config/vax/ultrix.h,
1249 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1250 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1251 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1252 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1253 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1254 in comments and documentation.
1255
1256 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1257
1258 * line-map.c: New.
1259 * line-map.h: New.
1260 * Makefile.in (line-map.o): New.
1261 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1262 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1263 * cpperror.c (print_containing_files): Similarly.
1264 (print_location): Update. Don't output a space before _Pragma.
1265 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1266 (stack_include_filee, cpp_make_system_header): Update.
1267 (_cpp_execute_include): Get logical line number right for calling
1268 as-yet-unterminated #include.
1269 * cpphash.h (struct cpp_reader): Add line_maps.
1270 (_cpp_do_file_change): Update.
1271 * cppinit.c (cpp_create_reader): Initialize line maps.
1272 (cpp_destroy): Destroy line maps.
1273 (cpp_start_read): Get logical line number right.
1274 * cpplex.c (parse_string): Only warn once for multi-line strings.
1275 Use boolean variable for null warning.
1276 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1277 already.
1278 (do_include_common): End the directive early.
1279 (do_line): Don't warn about out-of-range lines in preprocessed
1280 source. Update. Remove unused variables.
1281 (_cpp_do_file_change): Update for new line mapping.
1282 (pragma_cb): New typedef.
1283 (cpp_register_pragma): Stop looking ahead before calling the
1284 handler. Clean up.
1285 (do_pragma_system_header): End directive early.
1286 (cpp_get_line_maps): New.
1287 (cpp_pop_buffer): Fudge logical line. Update.
1288 * cpplib.h: Include line-map.h
1289 (enum cpp_fc_reason): Remove.
1290 (struct cpp_file_change): Update.
1291 (cpp_get_line_maps): New.
1292 * cppmain.c (struct_printer): New member map.
1293 (cb_file_change): Update for new mappings.
1294 * fix-header.c (cb_file_change): Similarly.
1295
1296 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1297
1298 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1299 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1300
1301 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1302
1303 * config/vax/vax.c: include expr.h.
1304
1305 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1306
1307 * Makefile.in ($(srcdir)/configure): Only rebuild in
1308 maintainer mode.
1309 ($(srcdir)/config.in): Only define in maintainer mode.
1310 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1311
1312 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1313
1314 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1315
1316 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1317
1318 * gcc.c (set_collect_gcc_options): New function, split out from
1319 main.
1320 Ignore elided switches.
1321 (do_spec_1): Invoke before executing command.
1322 (set_input): Export.
1323 Move declaration ...
1324 * gcc.h (set_input): ... here.
1325 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1326 file.
1327
1328 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1329
1330 Kill -fhonor-std.
1331 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1332 interaction.
1333 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1334
1335 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1336
1337 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1338 for the unnamed instructions it expands to.
1339
1340 2001-08-02 Richard Henderson <rth@redhat.com>
1341
1342 * regclass.c (call_really_used_regs): Conditionally define.
1343 (init_reg_sets_1): Don't use it if not defined.
1344 (fix_register): Similarly, don't set it.
1345
1346 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1347
1348 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1349 Correct comment that had been missed in the previous change.
1350
1351 2001-08-01 Stan Shebs <shebs@apple.com>
1352
1353 * config/darwin.c (machopic_stub_name): Try matching by name.
1354 (update_stubs): New function.
1355 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1356 unconditionally.
1357
1358 2001-08-01 Richard Henderson <rth@redhat.com>
1359
1360 * except.c (output_function_exception_table): Use assemble_align.
1361 * varasm.c (assemble_eh_label): Remove.
1362 (assemble_eh_align, assemble_eh_integer): Remove.
1363
1364 2001-08-01 Robert Lipe <robertl@caldera.com>
1365
1366 * dwarfout.c: Remove reference to README.DWARF.
1367
1368 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1369
1370 * regclass.c (call_really_used_regs): New array for registers which
1371 are actually used by a call.
1372 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1373 new array.
1374 (fix_register): Set call_really_used too.
1375 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1376 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1377
1378 2001-08-01 Richard Henderson <rth@redhat.com>
1379
1380 * read-rtl.c (read_name): Consider \r whitespace.
1381
1382 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1383
1384 * config.gcc: Recognize powerpc-*-netbsd*.
1385
1386 * doc/install.texi (Host/target specific installation notes for
1387 GCC): Mention powerpc-*-netbsd*.
1388
1389 * config/rs6000/netbsd.h: New file.
1390 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1391 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1392 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1393 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1394 (TARGET_VERSION): Redefine.
1395
1396 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1397 mcall-netbsd as a match for mcall-sysv.
1398 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1399 (ncrti.S, ncrtn.S): New targets.
1400 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1401
1402 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1403 "netbsd' as a V4 ABI.
1404 (ASM_SPEC): Check for -mcall-netbsd.
1405 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1406 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1407 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1408 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1409 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1410 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1411 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1412
1413 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1414 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1415
1416 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1417
1418 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1419 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1420 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1421 including "unwind-pe.h".
1422
1423 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1424
1425 * rs6000.md (define_splits): Kill unused constraints.
1426
1427 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1428 Jan Hubicka <jh@suse.cz>
1429
1430 * function.c (thread_prologue_and_epilogue_insns): Kill code
1431 dealing with non-existent CFG.
1432
1433 2001-08-01 Kazu Hirata <kazu@hxi.com>
1434
1435 * alias.c: Fix comment formatting.
1436 * bitmap.c: Likewise.
1437 * builtins.c: Likewise.
1438 * calls.c: Likewise.
1439 * c-common.c: Likewise.
1440 * c-decl.c: Likewise.
1441 * c-dump.c: Likewise.
1442 * c-lex.c: Likewise.
1443 * collect2.c: Likewise.
1444 * combine.c: Likewise.
1445 * conflict.c: Likewise.
1446 * cppfiles.c: Likewise.
1447 * cppinit.c: Likewise.
1448 * cpplex.c: Likewise.
1449 * cpplib.c: Likewise.
1450 * cppmacro.c: Likewise.
1451 * cppspec.c: Likewise.
1452 * c-pragma.c: Likewise.
1453 * crtstuff.c: Likewise.
1454 * cse.c: Likewise.
1455 * cselib.c: Likewise.
1456 * c-semantics.c: Likewise.
1457 * c-typeck.c: Likewise.
1458
1459 2001-08-01 H.J. Lu <hjl@gnu.org>
1460
1461 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1462
1463 2001-08-01 H.J. Lu <hjl@gnu.org>
1464
1465 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1466
1467 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1468
1469 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1470 contextualizing Objective-C class name lookup by the lexer.
1471 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1472 seeing a TYPESPEC.
1473 (protocoldef): Add support for forward @protocol declarations.
1474 (yylexname): Suppress ObjC class name lookup in certain contexts;
1475 re-enable after lookup is complete.
1476 (_yylex): Re-enable ObjC class name lookup when certain
1477 punctuation marks are seen.
1478
1479 * objc/objc-act.c (check_protocol_recursively): New function used
1480 for finding circular dependencies in protocols.
1481 (objc_declare_protocols): New function for handling forward
1482 @protocol declarations.
1483 (receiver_is_class_object): Detect the case when 'self' is used
1484 inside of a class method.
1485 (build_message_expr): Issue a warning if class method is desired
1486 but instance method is found instead.
1487 (conforms_to_protocol): Streamline.
1488 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1489 protocol Foo, even if 'Bar foo' does not.
1490 (check_protocols): Streamline.
1491 (start_protocol): Add checks for circular and duplicate protocol
1492 definitions.
1493 (encode_aggregate_within): For typedefs of structs, encode the
1494 underlying struct.
1495 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1496 (objc_declare_protocols): New prototype.
1497
1498 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1499
1500 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1501 * cpplex.c (handle_newline): Update prototype. Maintain logical
1502 line number.
1503 (skip_escaped_newlines, skip_block_comment, parse_string):
1504 Update accordingly.
1505 (_cpp_lex_token): Update, and store token position within the token.
1506 * cpplib.h (struct cpp_token): Add line and column entries.
1507 * cppmacro.c (replace_args): Position stringified tokens correctly.
1508
1509 2001-08-01 Andreas Jaeger <aj@suse.de>
1510
1511 * basic-block.h: Add prototype for last_loop_beg_note.
1512
1513 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1514
1515 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1516 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1517 comment.
1518 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1519 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1520 expand_decl_cleanup.
1521 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1522 the first RTX.
1523 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1524 operand while calling simple_cst_equal.
1525 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1526 operand is the cleanup expression, the third is the RTL_EXPR.
1527 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1528
1529 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1530
1531 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1532
1533 2001-07-31 matthew green <mrg@eterna.com.au>
1534
1535 * config.gcc (i386-*-netbsdelf): New description.
1536 * config/i386/netbsd-elf.h: New file.
1537
1538 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1539
1540 * loop.c (check_dbra_loop): Use single_set to compute
1541 jump_label.
1542
1543 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1544
1545 PowerPC reorg and support for powerpc64-*-linux*.
1546
1547 Also fixes emitting of constants on 32 bit and 64 bit
1548 platforms.
1549
1550 * config.gcc: powerpc64-*-linux* is a new target.
1551 Things that needed aix.h now also include xcoff.h
1552
1553 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1554 xcoff.h.
1555 Move AIX specific stuff into aix.h.
1556 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1557 with more than just XCOFF now.
1558 (SET_ASM_OP): Remove, now defined where needed.
1559 (FUNCTION_PROLOGUE): New macro definition.
1560 (FUNCTION_EPILOGUE): New macro definition.
1561 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1562
1563 * config/rs6000/xcoff.h: New file.
1564
1565 * config/rs6000/linux64.h: New file.
1566
1567 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1568
1569 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1570
1571 * rs6000.c (print_operand_address): Handle ELF syntax.
1572 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1573 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1574 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1575
1576 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1577
1578 * rs6000.c (rs6000_override_options): Only disable
1579 flag_function_sections for XCOFF.
1580 (exact_log2_cint_operand): New predicate.
1581 (reg_or_{add,sub}_cint64_operand): New predicates.
1582 (add_operand): Compare CONST_INT with fewer function calls.
1583 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1584 (print_operand, case 'p'): Ensure positive operand.
1585 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1586 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1587 (PREDICATE_CODES): Add new predicates.
1588 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1589 (divsi3, modsi3): Ensure positive power-of-2.
1590 (adddi3): Use new predicate. Split 32-bit constants more
1591 correctly. Re-arrange splitter to handle any constant.
1592 (subdi3): Use new predicate.
1593 (divdi3, moddi3): Ensure positive power-of-2.
1594 (movdi): Use rs6000_emit_set_const.
1595 (load_toc_v4_pic_di): Delete.
1596
1597 2001-07-31 Graham Stott <grahams@redhat.com>
1598
1599 * function.c (pad_below): Revert 2001-07-26 patch.
1600
1601 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1602
1603 * reg-stack (convert_regs_1): Fix best edge condition.
1604
1605 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1606
1607 * jump.c (duplicate_loop_exit_test): Better test for jumps
1608 entering the loop; create loop pre_header.
1609
1610 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1611
1612 * doc/install.texi: Add s390 and s390x as new targets.
1613 * doc/invoke.texi: Add documantation of S/390 and zSeries
1614 target options.
1615 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1616
1617 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1618
1619 * config/m68k/m68k.md: Replace all general_operand with
1620 nonimmediate_operand for all destinations.
1621 * config/m68k/m68k.c (not_sp_operand): Likewise.
1622
1623 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1624
1625 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1626
1627 2001-07-30 Richard Henderson <rth@redhat.com>
1628
1629 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1630 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1631
1632 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1633
1634 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1635 Add missing doc strings
1636 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1637 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1638
1639 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1640
1641 * i386.c (ix86_output_main_function_alignment_hack): New function.
1642 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1643
1644 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1645 edges by EDGE_DFS_BACK flag.
1646 (dump_edge_info): Add dfs_back flag.
1647 * basic-block.h (EDGE_DFS_BACK): New constant.
1648 (mark_dfs_back_edges): Declare.
1649 * alias.c (loop_p): Remove.
1650 (mark_constant_function): Use mark_dfs_back_edges.
1651
1652 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1653 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1654 (compensate_edge): Break out from ...
1655 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1656 (convert_regs_2): Set block_done once block is really done;
1657 Do updating of the predecesors counts.
1658
1659 * toplev.c (rest_of_compilation): Recompute block_for_insn
1660 before post-reload cfg_cleanup.
1661 * function.c (thread_prologue_epilogue_insns):
1662 Call set_block_for_new_insns when emitting prologue directly.
1663
1664 2001-07-30 Andreas Jaeger <aj@suse.de>
1665
1666 * jump.c: Add prototype for mark_modified_reg.
1667
1668 * cse.c (set_live_p): Add unused attribute.
1669
1670 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1671 overflow.
1672 (scan_for_source_files): Use long for count to avoid overflow.
1673 (output_data): Likewise.
1674 (output_data): Don't use string concatatenation to silence gcc
1675 -traditional.
1676
1677 * predict.c: Fix typos and grammar.
1678
1679 * gcse.c (insert_insn_end_bb): Remove unused variables.
1680
1681 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1682
1683 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1684 (attempt_auto_inc): LIkewise.
1685 (mark_used_reg): Likewise.
1686 (try_pre_increment_1): Likewise.
1687 * regclass.c (regclass): Likewise.
1688 * global.c (allocno_compare): Update comment; change scaling factor.
1689 * local-alloc.c (QTY_CMP_PRI): Likewise.
1690 * regs.h (REG_FREQ_FROM_BB): New.
1691 (REG_FREQ_MAX): Likewise.
1692
1693 2001-07-30 H.J. Lu <hjl@gnu.org>
1694
1695 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1696 -D_GNU_SOURCE.
1697
1698 2001-07-30 H.J. Lu (hjl@gnu.org)
1699
1700 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1701 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1702 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1703
1704 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1705
1706 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1707 as -mthumb-interwork when -mcpu=arm7 is specified.
1708
1709 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1710
1711 * predict.def (noreturn, loop branch, loop exit): Mark as first
1712 match heuristics.
1713
1714 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1715
1716 * combine.c (try_combine): Avoid barrier after noop jumps.
1717
1718 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1719
1720 * cpphash.h (struct cpp_reader): Remove import_warning.
1721 * cpplib.c (skip_rest_of_line): Don't bother turning off
1722 macro expansion.
1723 (parse_include): Move include handling to...
1724 (do_include_common): ... here. Move import warning from...
1725 (do_import): ... here.
1726 (do_pragma_poison): Don't do a callback for poison identifiers.
1727 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1728 * cppmain.c (setup_callbacks): Similarly.
1729
1730 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1731
1732 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1733 handle multiple sets.
1734 * except.c (sjlj_mark_call_sites): .... here.
1735 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1736
1737 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1738
1739 Suggested by Richard Henderson and Richard Kenner:
1740 * combine.c (recog_for_combine): Use the fake recog
1741 only if instruction does not match.
1742 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1743 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1744
1745 * combine.c (try_combine): Discover noop jump as direct jump.
1746
1747 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1748
1749 * df.c (df_rd_global_compute): Add successors to worklist, not
1750 current item.
1751 (df_ru_global_compute): Ditto.
1752
1753 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1754
1755 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1756 increment REG_N_SETS.
1757
1758 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1759
1760 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1761
1762 * sbitmap.c (sbitmap_a_xor_b): New function.
1763 ifdef the basic block stuff on IN_GCC.
1764
1765 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1766
1767 * cppexp.c (parse_defined): Always record the macro name.
1768 (lex): Don't worry about identifiers, or special-case
1769 CPP_NOT here.
1770 (_cpp_parse_expr): Figure out at the end of the routine
1771 whether we saw a valid !defined() expression.
1772 * cppfiles.c (stack_include_file): Update for mi_valid.
1773 (_cpp_pop_file_buffer): Similarly.
1774 * cpplex.c (_cpp_lex_token): Similarly.
1775 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1776 mi_if_not_defined, mi_lexed): Remove.
1777 (mi_valid): New.
1778 * cpplib.c (do_if): Simplify.
1779 (do_endif, push_conditional, _cpp_handle_directive): Update
1780 for renaming of mi_state to mi_valid.
1781 doc:
1782 * cpp.texi: Add index entries for digraphs, and add comment
1783 that C++ refers to them as alternative tokens.
1784
1785 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1786
1787 * basic-block.h (CLEANUP_PRE_LOOP): New.
1788 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1789 * sibcall.c (optimize_sibling_calls): Likewise.
1790 * toplev.c (rest_of_compilation): Likewise.
1791 * flow.c (try_forward_edges): Take argument MODE;
1792 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1793 (try_optimize_cfg): Update call of try_forward_edges.
1794
1795 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1796 Jan Hubicka <jh@suse.cz>
1797
1798 * (validate_replace_rtx_1): Fix simplification of MINUS.
1799
1800 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1801
1802 PR preprocessor/3669
1803 * cppinit.c (init_dependency_output): Turn off dump requests
1804 if sending dependencies to stdout.
1805
1806 2001-07-28 Richard Henderson <rth@redhat.com>
1807
1808 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1809 not optimizing.
1810
1811 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1812
1813 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1814
1815 2001-07-28 Kazu Hirata <kazu@hxi.com>
1816
1817 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1818 is VAR_DECL first to prevent an ICE.
1819
1820 2001-07-28 Richard Henderson <rth@redhat.com>
1821
1822 * varasm.c (immed_real_const_1): Don't elide special cases for
1823 nested functions.
1824 (clear_const_double_mem): Clear const_tiny_rtx too.
1825
1826 2001-07-28 Richard Henderson <rth@redhat.com>
1827
1828 * dwarf2out.c (dw_val_class_offset): New.
1829 (struct dw_ranges_struct, dw_ranges_ref): New.
1830 (ranges_table, ranges_table_allocated): New.
1831 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1832 (add_AT_offset, add_ranges, output_ranges): New.
1833 (print_die, output_die): Handle dw_val_class_offset.
1834 (attr_checksum, size_of_die, value_format): Likewise.
1835 (gen_lexical_block_die): Handle non-contiguous blocks.
1836 (gen_block_die): Likewise.
1837 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1838 if needed. Dump the ranges table.
1839 * final.c (final_start_function): Remove unnecessary notes and
1840 rebuild the block tree before numbering the blocks.
1841 * function.c (reorder_blocks_0): Walk the existing block tree
1842 to unmark all blocks.
1843 (reorder_blocks_1): Create block fragments when duplicate block
1844 notes are seen.
1845 (reorder_fix_fragments): New.
1846 (reorder_blocks): Call it.
1847 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1848
1849 2001-07-28 Richard Henderson <rth@redhat.com>
1850
1851 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1852
1853 2001-07-28 Richard Henderson <rth@redhat.com>
1854
1855 * flow.c (add_to_mem_set_list): New function.
1856 (init_propagate_block_info): Use it.
1857 (mark_set_1): Likewise.
1858 (insn_dead_p): Canonicalize memory address for dead store
1859 comparison. Allow wider mode stores to kill narrower mode stores.
1860 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1861 (invalidate_mems_from_set): Don't handle MEMs.
1862
1863 2001-07-28 Kazu Hirata <kazu@hxi.com>
1864
1865 * config/h8300/h8300.h: Fix formatting.
1866
1867 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1868
1869 * basic-block.h (EDGE_FREQUENCY): New macro.
1870 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1871 for new BB/edges.
1872 * flow.c (find_sub_basic_blocks): Likewise.
1873 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1874 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1875
1876 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1877 (HITRATE): New macro.
1878 (PRED_FLAG_FIRST_MATCH): New constant.
1879 (predictor_info): New field flgags.
1880 (combine_predictions_for_insn): Use DS theory to combine
1881 probabilities; set the edge probabilities when finished.
1882 (estimate_probability): Avoid duplicated matches
1883 of LOOP_BRANCH heuristics for nested loops; update comment.
1884 * predict.def: Add flags for each prediction, set probabilities
1885 according to B&L paper.
1886 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1887
1888 * profile.c (compute_branch_probabilities): Cleanup way the edge
1889 probabilities are computed and REG_BR_PROB notes are dropped; if
1890 values does not match, emit error.
1891 (init_branch_prob): Do error instead of warning when profile driven
1892 feedback is missing or corrupt.
1893
1894 2001-07-27 DJ Delorie <dj@redhat.com>
1895
1896 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1897 against a constant, try to adjust the compare to have the desired
1898 constant in it so that min/max optimizations happen more often.
1899
1900 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1901
1902 * flow.c (last_loop_beg_note): New function.
1903 (redirect_edge_and_branch): Use it.
1904 (split_edge): Likewise.
1905
1906 * alias.c (loop_p): Avoid uninitialized memory access.
1907
1908 * flow.c (try_forward_edges): Avoid accessing freed memory.
1909
1910 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1911 variable access.
1912
1913 2001-07-26 Andrew Haley <aph@redhat.com>
1914 Joern Rennecke <amylaar@redhat.com>
1915
1916 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
1917 (SUBTARGET_CPP_ENDIAN_SPEC): New.
1918 (SUBTARGET_CPP_SPEC): New.
1919 (CPP_SPEC): Remove.
1920 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
1921 (SUBTARGET_CPP_PTR_SPEC): New.
1922 (CPP_DEFAULT_CPU_SPEC): New.
1923 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
1924 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1925 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
1926 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1927 (SUBTARGET_CPP_SPEC): Define as an empty string.
1928
1929 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1930
1931 * doc/install.texi (Configuration): Properly link the host
1932 specific instructions also when generating HTML.
1933
1934 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1935
1936 * flow.c (redirect_edge_and_branch_force): Test
1937 target->global_live_at_start.
1938
1939 2001-07-26 Richard Henderson <rth@redhat.com>
1940
1941 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1942 * rtl.h (avoid_constant_pool_reference): Declare it.
1943 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1944 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1945
1946 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1947
1948 * rtl.h (cleanup_barriers): Declare.
1949 * jump.c (cleanup_barriers): New function.
1950 * toplev.c (rest_of_compilation): Call cleanup_barriers
1951 before loop optimizer and after bb_reorder.
1952
1953 * flow.c (back_edge_of_syntactic_loop_p): New.
1954 (split_edge): Use it.
1955
1956 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1957
1958 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1959
1960 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1961
1962 * cse.c (cse_process_notes): Replace any registers if the address
1963 remains valid.
1964
1965 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1966
1967 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1968 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1969 (propagate_block): Update prototype.
1970 * flow.c (update_life_info): Simplify the CFG and
1971 recalculate the global regs which are alive when
1972 removing dead code during a global update.
1973 (propagate_block): Return non-zero if an INSN is
1974 deleted.
1975
1976 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1977
1978 * Makefile.in (LIBICONV): Define.
1979
1980 2001-07-26 Catherine Moore <clm@redhat.com>
1981
1982 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1983 of conditional to avoid tree checking errors.
1984
1985 2001-07-26 Kazu Hirata <kazu@hxi.com>
1986
1987 * regmove.c (regmove_optimize): Don't replace a reg with
1988 another reg of a different mode.
1989
1990 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1991
1992 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1993 limit length of dependancy flush list.
1994 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1995 * sched-int.h (struct deps): Add pending_flush_length field.
1996 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1997 has 1 element in it.
1998 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1999 (sched_analyze): After a jump, if the pending memory flush list is too
2000 large, flush the pending lists.
2001 (init_deps): Initialize pending_flush_length to 0.
2002 * doc/invoke.texi (max_pending_list_length): Document parameter.
2003
2004 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2005
2006 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2007 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2008 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2009
2010 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2011
2012 * cpphash.h (struct_lexer_state): Delete was_skipping.
2013 Move skipping here from struct cpp_reader.
2014 * cpplex.c (parse_identifier): Update.
2015 (_cpp_lex_token): Don't skip tokens in a directive.
2016 * cpplib.c (struct if_stack): Update.
2017 (start_directive, end_directive): Don't change skipping state.
2018 (_cpp_handle_directive): Update.
2019 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2020 (do_else, do_endif): Update; only check for excess tokens if not
2021 in a skipped conditional block.
2022 (push_conditional): Update for new struct if_stack.
2023
2024 2001-07-26 Graham Stott <grahams@redhat.com>
2025
2026 * function.c (locate_and_pad_parm): Also pad initial offset
2027 so that the total argument size also includes the padding.
2028
2029 2001-07-26 Graham Stott <grahams@redhat.com>
2030
2031 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2032 change XSTR to XTMPL.
2033
2034 (process_one_cond_exec): Likewise
2035
2036 2001-07-25 Richard Henderson <rth@redhat.com>
2037
2038 * varasm.c (assemble_variable): Create DECL_RTL before setting
2039 TREE_ASM_WRITTEN.
2040
2041 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2042
2043 * predict.c (estimate_probability): Avoid duplicated predictions.
2044
2045 * loop.c (find_and_verify_loops): Grok multiple barriers.
2046
2047 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2048
2049 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2050
2051 * dbxout.c: Consistently use putc instead of fputc.
2052 (print_wide_int): New function; call instead of direct fprintf.
2053 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2054 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2055 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2056 (print_int_cst_octal): Likewise.
2057 (print_octal): Show we wrote characters.
2058 (dbxout_type): Set have_used_extensions in more places.
2059
2060 2001-07-25 Catherine Moore <clm@redhat.com>
2061
2062 * config/v850/v850.c (v850_va_arg): Use addr
2063 instead of valist to build incr.
2064
2065 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2066
2067 * flow.c (delete_dead_jumptables): New function.
2068 (life_analyzis): Call it.
2069 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2070 sequences.
2071
2072 2001-07-25 Richard Henderson <rth@redhat.com>
2073
2074 * except.c (reachable_handlers): Handle a region being removed
2075 out from under a RESX.
2076
2077 2001-07-25 Richard Henderson <rth@redhat.com>
2078
2079 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2080 swap GE/GT if it is an fp comparison.
2081
2082 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2083
2084 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2085 operands.
2086
2087 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2088
2089 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2090 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2091 glitch.
2092
2093 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2094 throw an exception.
2095 (visit_expression): When attempting to simplify an expression,
2096 retrieve any modes for arguments before they are simplified
2097 to constants.
2098
2099 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2100 Janis Johnson <janis@us.ibm.com>
2101
2102 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2103 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2104 pointer parameters to match documented usage of nonlocal_goto.
2105 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2106 parameters to their correct order.
2107 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2108 parameters to their correct order.
2109
2110 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2111
2112 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2113
2114 2001-07-25 Jan Hubicka <jh@suse.cz>
2115 Richard Henderson <rth@redhat.com>
2116
2117 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2118 the sequence.
2119 (make_edges): New argument update_p; populate the edge cache if set.
2120 (find_basic_blocks): Update make_edges invocation.
2121
2122 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2123
2124 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2125
2126 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2127
2128 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2129 -Acpu and -Amachine.h.
2130 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2131 Corrected header to say ELF not a.out.
2132 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2133 when given -msoft-float.
2134
2135 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2136
2137 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2138 extra multilib parts like arm-elf.
2139 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2140 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2141 crtfini.o as extra multilib parts.
2142
2143 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2144
2145 * configure.in: Add rtems as a supported thread model.
2146 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2147 * configure: Rebuilt.
2148
2149 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2150
2151 * stor-layout.c (get_mode_alignment): make it work when
2152 BITS_PER_UNIT is not a power of two.
2153 * builtins.c (get_pointer_alignment): Likewise.
2154
2155 2001-07-24 Richard Henderson <rth@redhat.com>
2156
2157 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2158 the retrieved constant into the expected mode.
2159
2160 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2161
2162 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2163 (verify_flow_info): Check for duplicated edges; clarify
2164 error reporting.
2165
2166 * flow.c (block_label): Update basic_block_for_insn.
2167 (commit_edge_insertions): Call compute_bb_for_insn.
2168
2169 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2170 returns too.
2171
2172 * flow.c (redirect_edge_and_branch,
2173 try_optimize_cfg): Use redirect_edge_succ_nodup
2174 (redirect_edge_succ_nodup): New.
2175 * basic_block.h (redirect_edge_succ_nodup): Declare.
2176
2177 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2178 after gcse.
2179
2180 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2181
2182 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2183 (try_crossjump_to_edge): Update commetns.
2184 (try_crossjump_bb): Likewise.
2185
2186 2001-07-24 Richard Henderson <rth@redhat.com>
2187
2188 * combine.c (distribute_notes): Move set of need_refresh
2189 for noop_move_p down to catch all cases.
2190
2191 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2192
2193 * recog.c (split_all_insns_noflow): New.
2194 * rtl.h (split_all_insns_noflow): Declare.
2195 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2196 * m68hc11.c (m68hc11_reorg): Likewise.
2197 * sh.c (machine_dependent_reorg): Likewise.
2198 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2199 call.
2200
2201 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2202
2203 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2204 (ashlsi3_n splitter): Likewise.
2205 (lshrsi3_n splitter): Likewise.
2206
2207 (GOTaddr2picreg): Make const SImode.
2208 (sym_label2reg): Likewise.
2209 (symGOT2reg): Likewise.
2210 (symGOTOFF2reg) Likewise.
2211
2212 (casesi_worker_0): Make unspec SImode.
2213
2214 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2215
2216 * config/sh/sh.c (barrier_align): Check that an operand really is
2217 an insn before extracting its INSN_CODE.
2218
2219 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2220
2221 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2222 dangling else.
2223
2224 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2225 for SImode to prevent overflow.
2226
2227 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2228
2229 * config/mips/irix6-libc-compat.c: New file.
2230 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2231 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2232 passing workaround.
2233
2234 2001-07-24 lars brinkhoff <lars@nocrew.org>
2235
2236 * rtl.texi (REG_POINTER): Document.
2237 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2238 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2239
2240 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2241
2242 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2243
2244 2001-07-23 Richard Henderson <rth@redhat.com>
2245
2246 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2247
2248 2001-07-23 Kazu Hirata <kazu@hxi.com>
2249
2250 * config/h8300/h8300-protos.h: Add a prototype for
2251 general_operand_dst_push.
2252 * config/h8300/h8300.c (general_operand_dst_push): New.
2253 * config/h8300/h8300.h (OK_FOR_T): New.
2254 (EXTRA_CONSTRAINT): Use it.
2255 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2256 the existing movqi pattern.
2257 (movhi_push): Likewise.
2258
2259 * reload.c: Fix comment typos.
2260
2261 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2262
2263 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2264
2265 2001-07-23 H.J. Lu (hjl@gnu.org)
2266
2267 * doc/extend.texi: Update __builtin_return_address and
2268 __builtin_frame_address.
2269
2270 2001-07-23 Richard Henderson <rth@redhat.com>
2271
2272 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2273 before CSE.
2274 * config/i386/i386.md: New setcc+movzbl peephole2.
2275
2276 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2277
2278 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2279 * objc/objc-act.c: Include debug.h.
2280 (synth_module_prologue): Save and restore debug hooks too.
2281
2282 2001-07-23 lars brinkhoff <lars@nocrew.org>
2283
2284 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2285 and C4X_FLOAT_FORMAT.
2286 (BOOL_TYPE_SIZE): Document.
2287
2288 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2289
2290 * unroll.c (loop_iterations): Fix miscalculation of initial
2291 giv offset.
2292
2293 2001-07-13 Andrew Haley <aph@redhat.com>
2294
2295 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2296 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2297 * config/sh/sh.c (sh_can_redirect_branch): New function.
2298 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2299 * reorg.c (steal_delay_list_from_target): Use
2300 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2301
2302 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2303
2304 * flow.c (try_simplify_condjump): Unlink insn chain on
2305 fallthru edge; use can_fallthru.
2306
2307 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2308
2309 * basic-block.h (find_sub_basic_block): Declare.
2310 * flow.c (make_edges): New arguments MIN and MAX;
2311 (find_sub_basic_blocks): Revamp to use make_edges
2312 and purge_dead_edges.
2313 (find_basic_blocks): Update call of find_sub_basic_block.
2314
2315 * recog.c (split_all_insns): Always expect CFG to be consistent;
2316 call find_sub_basic_blocks in case something has changed.
2317 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2318 has been built.
2319
2320 * basic-block.h (delete_noop_moves): Declare.
2321 * combine.c (combine_instructions): Call it.
2322 (recog_for_combine): Tolerate noop moves
2323 (distribute_notes): Force refresh when register dies at noop move.
2324 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2325 too.
2326 (life_analysis): Update delete_noop_moves call.
2327 (set_noop_p): Move too ...
2328 * rtlanal.c (noop_move_p): ... here.
2329 * rtl.h (noop_move_p): Declare.
2330
2331 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2332 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2333 after combine.
2334 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2335 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2336
2337 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2338
2339 * reload.c (push_reload): Fix typo in comment.
2340 (find_reloads_address): Ditto.
2341 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2342
2343 2001-07-22 Richard Henderson <rth@redhat.com>
2344
2345 * flow.c: Grammar check and clarify a lot of comments.
2346 (try_simplify_condjump): Rename variables to be clearer.
2347 (try_forward_edges): Skip complex and fallthru edges.
2348 Rearrange tests to avoid duplicate checks.
2349 (flow_find_cross_jump): Likewise.
2350 (outgoing_edges_match): Allow match if neither branch has
2351 probability data. Loosen probability match to 5%.
2352 (try_crossjump_to_edge): Hoist repeated indirection into
2353 local variables.
2354 (try_crossjump_bb): Don't check complex edges. Eliminate
2355 redundant crossjump tests.
2356 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2357 checks before more expensive checks.
2358
2359 2001-07-22 Richard Henderson <rth@redhat.com>
2360
2361 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2362 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2363 arguments.
2364
2365 2001-07-22 Richard Henderson <rth@redhat.com>
2366
2367 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2368 (const_sint32_operand): Likewise.
2369 * m68k.md (anon mulsi pattern): Use const_int_operand not
2370 const_sint32_operand.
2371 (umulsi3_highpart): Zero extend a constant input.
2372 (smulsi3_highpart): Don't bother checking SImode constant.
2373 (const_umulsi3_highpart): Give op3 DImode.
2374 (const_smulsi3_highpart): Likewise.
2375
2376 2001-07-22 Richard Henderson <rth@redhat.com>
2377
2378 * flow.c (split_block): Make sure bb_note is included in the
2379 new block when splitting before a label.
2380
2381 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2382
2383 * basic-block.h (redirect_edge_and_branch_force,
2384 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2385 * flow.c (redirect_edge_and_branch_force,
2386 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2387 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2388 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2389 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2390 instead of label; update CFG after transformation.
2391 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2392 for finishing the transformation; handle even case where ELSE
2393 does not follow THEN.
2394 (find_if_case_2): Update call of dead_or_predictable; simplify
2395 CFG update.
2396
2397 * emit-rtl.c (split_branch_probability): New global variable.
2398 (try_split): Take care to set split_branch_probability and
2399 create REG_BR_PROB note for new jump insns.
2400 * md.texi (define_split): Document new feature.
2401
2402 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2403
2404 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2405
2406 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2407 (asm_out_file): Remove redundant declaration.
2408 (assemble_asm): Remove old #if 0 block.
2409 (assemble_variable): Remove end of function; debug output is
2410 now handled with global_decl. Remove old #if 0 block. Update.
2411 Remove saved_in_section and associated no-op code.
2412 * Makefile.in (varasm.o): Correct dependencies.
2413
2414 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2415
2416 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2417 the definition in defaults.h.
2418
2419 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2420
2421 * jump.c: Update comments.
2422 (delete_barrier_successors, delete_unreferenced_labels,
2423 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2424 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2425 jump_optimize, jump_optimize_minimal): Kill.
2426 (rebuild_jump_labels): Move code from jump_optimize_1.
2427 (purge_line_number_notes): Likewise.
2428 (copy_loop_headers): Likewise.
2429 * reg-stack.c: Update comment.
2430 * stmt.c: Likewise.
2431 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2432 JUMP_AFTER_REGSCAN): Kill.
2433 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2434 purge_line_number_notes and copy_loop_headers.
2435
2436 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2437 Richard Henderson <rth@redhat.com>
2438
2439 * dbxout.c (dbxout_global_decl): New.
2440 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2441 * sdbout.c (sdbout_finish): New.
2442 (sdbout_debug_hooks): Use it, add comments.
2443 (sdbout_global_decl): Defer initialised public vars to
2444 sdbout_finish.
2445 * varasm.c (assemble_variable): Don't output debug information
2446 for file-scope variables.
2447
2448 2001-07-22 Richard Henderson <rth@redhat.com>
2449
2450 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2451 (get_round_mode_suffix): New.
2452 (print_operand): Use them for [/]. Remove support for [&'`()+].
2453 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2454 * config/alpha/alpha.md (attr round_suffix): New.
2455 (attr trap_suffix): New.
2456 (all insns): Set them appropriately. Use %/ instead of the
2457 myriad punctuators.
2458
2459 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2460
2461 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2462
2463 2001-07-22 Richard Henderson <rth@redhat.com>
2464
2465 * regrename.c (regrename_optimize): Compute nregs for each
2466 potential target register.
2467
2468 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2469 Richard Henderson <rth@redhat.com>
2470
2471 * dbxout.c (dbxout_global_decl): New.
2472 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2473 * sdbout.c (sdbout_finish): New.
2474 (sdbout_debug_hooks): Use it, add comments.
2475 (sdbout_global_decl): Defer initialised public vars to
2476 sdbout_finish.
2477 * varasm.c (assemble_variable): Don't output debug information
2478 for file-scope variables.
2479
2480 2001-07-21 H.J. Lu (hjl@gnu.org)
2481
2482 * config/mips/mips.c (mips_cpu): Moved into ...
2483 (override_options): Here.
2484
2485 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2486 mips_tune.
2487 (mips_cpu): Removed.
2488
2489 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2490
2491 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2492 ("iorqi3"): Likewise.
2493 ("xorqi3"): Likewise.
2494 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2495 ("*subhi3_sp): Likewise.
2496 ("*subhi3"): Likewise.
2497 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2498 reload problems.
2499
2500 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2501
2502 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2503 * config/freebsd.h: Likewise.
2504 * config/linux.h: Likewise.
2505 * config/openbsd.h: Likewise.
2506 * config/alpha/linux-elf.h: Likewise.
2507 * config/arm/linux-elf.h: Likewise.
2508 * config/d30v/d30v.h: Likewise.
2509 * config/fr30/fr30.h: Likewise.
2510 * config/ia64/aix.h: Likewise.
2511 * config/ia64/ia64.h: Likewise.
2512 * config/mips/linux.h: Likewise.
2513 * config/pj/pj.h: Likewise.
2514 * config/rs6000/linux.h: Likewise.
2515 * config/sparc/linux.h: Likewise.
2516 * config/sparc/linux64.h: Likewise.
2517
2518 2001-07-20 Bruce Korb <bkorb@gnu.org>
2519
2520 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2521 because getc() and char* may disagree on signedness.
2522
2523 2001-07-20 Richard Henderson <rth@redhat.com>
2524
2525 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2526
2527 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2528 insns to delete in the presence of cc0 in a jump insn.
2529
2530 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2531 Jan Hubicka <jh@suse.cz>
2532
2533 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2534 of doing the change by hand.
2535
2536 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2537
2538 * rtlanal.c (set_noop_p): Return true for noop jumps.
2539
2540 * expr.c (emit_single_push_insn): Add call to push expander.
2541 * expr.h (optab_index): Add OTI_push
2542 (push_optab): New constant.
2543 * genopinit.c (optabs): Add push_optab.
2544 * optabs.c (init_optab): Init push optab.
2545 * md.texi (push??1): Document
2546
2547 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2548
2549 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2550 expand to emit the pattern; put a REG_INC note for push/pop
2551 instructions.
2552 ("movdf", "movdf_internal"): Likewise.
2553 ("movsi", "movsi_internal"): Likewise.
2554 ("movsf", "movsf_internal"): Likewise.
2555 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2556
2557 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2558
2559 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2560 gen_highpart.
2561
2562 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2563
2564 * params.def: Change default max inline insns to 100.
2565
2566 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2567
2568 * combine.c (combine_simplify_rtx): Generate a new shift operation
2569 when simplifying the first operand of a (neg (ashift)) expression.
2570
2571 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2572
2573 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2574
2575 2001-07-20 Kelley Cook <kelley.cook@home.com>
2576
2577 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2578 information. Move rest into ...
2579 (*-*-solaris): ... here. Eliminate redundant information and
2580 reword necessary packages section. Delete 4.x assembler bug info.
2581 (sparc-sun-*): Merge into ...
2582 (sparc-sun-sunos*): here.
2583
2584 2001-07-20 Catherine Moore <clm@redhat.com>
2585
2586 * config/v850/v850.md (casesi): Generate LABEL_REF
2587 with Pmode.
2588
2589 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2590
2591 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2592 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2593 * i386.md (strclrsi expander): Use it.
2594
2595 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2596
2597 * integrate.c (copy_insn_list): handle
2598 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2599 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2600 identically as to CODE_LABEL.
2601
2602 * fold-const (fold): Convert A/B/C to A/(B*C) and
2603 A/(B/C) to (A/B)*C
2604
2605 * except.c (connect_post_landing_pads): Delete the RESX insns.
2606
2607 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2608
2609 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2610
2611 * config/mips/mips.md (nmadd/nmsub): Use macro.
2612
2613 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2614
2615 * cppinit.c (remove_dup_dir): Make static.
2616 (remove_dup_dirs): Make static. Only warn about preempting a
2617 system directory with a non-system directory.
2618
2619 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2620
2621 * ifcvt.c (noce_try_store_flag_constants): Correct order
2622 of parameters to trunc_int_for_mode.
2623
2624 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2625
2626 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2627 an exception that will be caught within this function, do not fill
2628 its delay slot with any subsequent instruction.
2629
2630 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2631
2632 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2633 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2634 pointer extension instruction.
2635 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2636 * simplify-rtx.c (simplify_unary_operation) Likewise.
2637 * explow.c (convert_memory_address) Check value of
2638 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2639 less than zero.
2640 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2641 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2642 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2643 Add Multilib Support.
2644 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2645 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2646 Add Multilib Support.
2647 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2648 support.
2649 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2650 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2651 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2652
2653 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2654
2655 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2656 old and new operands in `<', `3' and `b'.
2657
2658 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2659
2660 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2661 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2662 (toplev.o): Don't depend on xcoffout.h.
2663 * c-decl.c: Include debug.h
2664 (duplicate_decls): Use debug hook.
2665 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2666 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2667 (dbxout_types): Remove.
2668 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2669 * debug.c (do_nothing_debug_hooks): Update.
2670 (debug_true_tree, debug_nothing_rtx): New.
2671 * debug.h (struct rtx_def): New.
2672 (struct gcc_debug_hooks): New hooks ignore_block,
2673 outlining_inline_function and label.
2674 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2675 dwarf2out_frame_finish): New.
2676 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2677 Make static, update prototype.
2678 (dwarf2_debug_hooks): Update.
2679 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2680 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2681 * dwarfout.c (dwarf_debug_hooks): Update.
2682 * emit-rtl.c: Include debug.h.
2683 (remove_unnecessary_notes): Use debug hook.
2684 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2685 (final_scan_insn): Use debug hook.
2686 * integrate.c (output_inline_function): Use debug hook.
2687 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2688 (sdb_debug_hooks): Update.
2689 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2690 * toplev.c: Don't include xcoffout.h.
2691 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2692 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2693 Remove.
2694 * tree.h (dwarf2out_do_frame): Remove.
2695
2696 2001-07-19 Catherine Moore <clm@cygnus.com>
2697
2698 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2699
2700 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2701
2702 * reload1.c (eliminate_regs_in_insn): When updating a set
2703 to the frame pointer to the hardware frame pointer, perform
2704 the update always not just when REPLACE is set.
2705
2706 * reload1.c (choose_reload_regs): Don't inherit a reload
2707 that crosses multiple registers if registers past the first
2708 don't fit in the desired class.
2709
2710 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2711 when negating constants.
2712
2713 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2714
2715 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2716 * doc/tree.texi: Ditto.
2717
2718 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2719 Jakub Jelinek <jakub@redhat.com>
2720
2721 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2722 (extract_cie_info): Handle "eh" augmentation properly,
2723 remember eh_ptr.
2724 (struct frame_state, __frame_state_for): New.
2725
2726 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2727
2728 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2729 HANDLE_SYSV_PRAGMA): Define.
2730 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2731 previous args.
2732 (copy_object): Caller changed.
2733
2734 2001-07-19 Andreas Schwab <schwab@suse.de>
2735
2736 * configure.in (assembler dwarf2 debug_line support): Define nop
2737 insn for m68k.
2738 * configure: Regenerated.
2739
2740 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2741
2742 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2743 dwarfout.h.
2744 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2745 to conditionally compiled block.
2746 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2747 * dbxout.h (dbxout_function): Remove.
2748 * debug.c (do_nothing_debug_hooks): Update.
2749 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2750 global_decl, deferred_inline_function.
2751 * dwarf2out.c (dwarf2_debug_hooks): Update.
2752 (dwarf2out_global_decl): New.
2753 * dwarfout.c: Don't include dwarfout.h.
2754 (dwarfout_global_decl, dwarfout_function_decl,
2755 dwarfout_deferred_inline_function): New.
2756 (dwarf_debug_hooks): Update.
2757 * dwarfout.h: Remove.
2758 * final.c: Don't include dwarfout.h.
2759 * sdbout.c (sdbout_global_decl): New.
2760 (sdbout_debug_hooks): Update.
2761 * toplev.c: Don't include dwarfout.h.
2762 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2763 (note_deferral_of_defined_inline_function): Remove.
2764 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2765 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2766 * ch/lex.c: Don't include dwarfout.h.
2767 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2768 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2769 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2770 * cp/optimize.c: Include debug.h.
2771 (maybe_clone_body): Use debug hook.
2772 * cp/semantics.c: Include debug.h.
2773 (expand_body): Use debug hook.
2774 * po/POTFILES.in: Remove dwarfout.h.
2775
2776 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2777
2778 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2779 * c-parse.in (yyerror, _yylex): Similarly.
2780 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2781 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2782 Update comments.
2783 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2784 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2785
2786 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2787
2788 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2789 in-class declaration at -g1. Fixes c++/2814.
2790
2791 2001-07-18 Richard Henderson <rth@redhat.com>
2792
2793 * doc/md.texi (reload_in/out): Document restrictions in predicates
2794 and constraints for these patterns. Document empty string matching
2795 ALL_REGS.
2796
2797 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2798
2799 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2800
2801 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2802
2803 * cse.c: Undo my previous patch.
2804
2805 2001-07-18 Tom Tromey <tromey@redhat.com>
2806
2807 For PR java/2812:
2808 * configure: Rebuilt.
2809 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2810 instead.
2811 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2812
2813 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2814 Jan Hubicka <jh@suse.cz>
2815
2816 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2817 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2818 * jump.c (mark_jump_label): Do not forward branches.
2819
2820 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2821
2822 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2823 when return value is unused.
2824
2825 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2826
2827 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2828
2829 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2830
2831 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2832 on error. We can't blindly return the result of
2833 pthread_mutex_trylock because it returns a positive number on
2834 error, while we must return -1 on error.
2835 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2836 fixes.
2837 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2838
2839 2001-07-18 Andreas Jaeger <aj@suse.de>
2840
2841 * integrate.c (output_inline_function): Correct type of debug_hooks.
2842
2843 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2844
2845 * combine.c (combine_simplify_rtx): DIV can be treated
2846 associatively for floats if unsafe math optimisations are enabled.
2847
2848 2001-07-17 Richard Henderson <rth@redhat.com>
2849
2850 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2851
2852 2001-07-17 Richard Henderson <rth@redhat.com>
2853
2854 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2855 don't force the function address into a register.
2856 (expand_call, emit_library_call_value_1): Update callers.
2857 * builtins.c (expand_builtin_apply): Likewise.
2858 * expr.h (prepare_call_address): Update decl.
2859
2860 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2861
2862 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2863 config directory.
2864 * config/i386/chorus.h: Move up.
2865 * config/sparc/chorus.h: Likewise.
2866 * config/rs6000/chorus.h: Likewise.
2867 * config/chorus.h: Moved here.
2868
2869 2001-07-17 Andreas Schwab <schwab@suse.de>
2870
2871 * configure.in (assembler eh_frame optimization): Handle big
2872 endian.
2873 * configure: Regenerated.
2874
2875 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2876
2877 * expr.c (epxand_expr): Convert divisions into multiplications by
2878 reciprocals if -ffast-math.
2879
2880 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2881
2882 * dbxout.c (dbxout_really_begin_function): Rename to
2883 dbxout_begin_function.
2884 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2885 (dbxout_begin_function): Remove.
2886 (dbxout_function): Update.
2887 (dbxout_source_line): Update prototype.
2888 * dbxout.h (dbxout_begin_function): Remove.
2889 * debug.c (do_nothing_debug_hooks): Update.
2890 (debug_nothing_tree): Update.
2891 (debug_nothing_charstar_rtx): Remove.
2892 * debug.h (union tree_node): Declare.
2893 (struct rtx_def): Remove.
2894 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2895 begin_function. Change source_line prototype.
2896 (debug_nothing_tree): New.
2897 (debug_nothing_charstar_rtx): Delete.
2898 (dwarf2out_begin_prologue): Moved from ...
2899 * tree.h: ... here.
2900 * dwarf2out.c (dwarf2_debug_hooks): Update.
2901 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2902 debug info, call dwarf2out_source_line.
2903 (dwarf2out_souce_line): Update prototype.
2904 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2905 Change prototype, make static.
2906 (dwarfout_source_line): Update prototype.
2907 (dwarf_debug_hooks): Update.
2908 * dwarfout.h (dwarfout_begin_function): Remove.
2909 * final.c (final_start_function, final_scan_insn): Use appropriate
2910 debug hooks, update to use notice_source_line.
2911 (output_source_line): Rename notice_source_line. Don't call the
2912 source_line debug hook.
2913 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2914 make static, update prototype.
2915 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2916 prototype.
2917 (sdbout_end_prologue): New.
2918 (sdbout_source_line): Update prototype.
2919 (sdbout_debug_hooks): Update.
2920 (sdbout_symbol): Remove unused var.
2921 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2922 Delete.
2923 * varasm.c: Include debug.h.
2924 (assemble_start_function): Use begin_function debug_hook.
2925 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2926 update with prototype.
2927 (xcoffout_source_line): Update prototype.
2928 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2929 update prototype.
2930 (xcoffout_source_line): Update prototype.
2931
2932 2001-07-17 Richard Henderson <rth@redhat.com>
2933
2934 * c-typeck.c (build_binary_op): Do not shorten unsigned
2935 right shift after sign extension.
2936
2937 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2938
2939 * combine.c (combine_simplify_rtx): Attempt to simplify
2940 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2941
2942 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2943 (simplify_binary_operation, simplify_unary_operation,
2944 simplify_relational_operation): Use it.
2945
2946 * combine.c (combine_simplify_rtx): Don't do associative law
2947 on divisions; allow associative law on floats.
2948
2949 2001-07-17 H.J. Lu <hjl@gnu.org>
2950 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2951
2952 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2953 ASM_OUTPUT_WEAK_ALIAS are defined.
2954 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2955 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2956 Moved ...
2957 * config/mips/iris5.h: ... here.
2958 (HANDLE_SYSV_PRAGMA): Defined as 1.
2959 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2960 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2961 symbol.
2962
2963 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2964
2965 * c-parse.in (all_prefix_attributes): New variable.
2966 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2967 (maybe_resetattrs): New production.
2968 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2969 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2970 notype_initdcl, nested_function, notype_nested_function,
2971 component_decl, components, components_notype,
2972 component_declarator, component_notype_declarator,
2973 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2974 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2975 after a comma being applied to more than one declarator.
2976 * doc/extend.texi (Attribute Syntax): Update. Remove
2977 documentation of bugs that are no longer present.
2978
2979 2001-07-13 Eric Christopher <echristo@redhat.com>
2980
2981 * config/mips/mips.h: Change TUNE_MIPS* options to use
2982 mips_tune.
2983 (EXTRA_SPECS): Add cc1_cpu_spec.
2984 * config/mips/mips.md (muldf3): Fix typo.
2985
2986 2001-07-16 Richard Henderson <rth@redhat.com>
2987
2988 * config/m68k/m68k.c: Include expr.h and reload.h.
2989 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2990 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2991
2992 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2993 Richard Henderson <rth@redhat.com>
2994
2995 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2996 (insn_live_p): Fix fall off end of function.
2997 (dead_libcall_p): Remove COUNTS argument; update callers.
2998 (delete_trivially_dead_insns): Remove unused variables.
2999
3000 2001-07-17 Andreas Jaeger <aj@suse.de>
3001
3002 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3003 x86-64 pic support.
3004
3005 * lcm.c (optimize_mode_switching): Avoid warning for unused
3006 variable if !NORMAL_MODE.
3007
3008 * flow.c (try_crossjump_to_edge): Remove unused variable.
3009
3010 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3011
3012 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3013 atexit declaration in stdlib.h.
3014
3015 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3016
3017 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3018
3019 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3020
3021 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3022 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3023 do rebuild_jump_labels instead of jump_optimize
3024 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3025 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3026 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3027
3028 * flow.c: Include timevar.h
3029 (find_basic_block): Push/pop timevar;
3030 (cleanup_cfg): Likewise.
3031 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3032 * Makefile: Add dependencies on timevar.h
3033
3034 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3035 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3036
3037 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3038 * toplev.c (rest_of_compilation): Update calls.
3039 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3040 (delete_trivially_dead_insns): ... here; accept new argument
3041 preserve_basic_blocks; preserve basic blocks if set.
3042
3043 * reg-stack.c (stack_regs_mentioned): Return 0 if
3044 stack_regs_mentioned_data is not initialized.
3045 (reg_to_stack): Make stack_regs_mentioned survive after the
3046 reg-stack is completted; do not call cleanup_cfg.
3047 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3048 make cleanup_cfg after bb-reorder to output to debug file.
3049
3050 2001-07-16 Richard Henderson <rth@redhat.com>
3051
3052 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3053 from int_reg_class_contents.
3054
3055 2001-07-16 Richard Henderson <rth@redhat.com>
3056
3057 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3058 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3059 (init_reg_sets_1): Move initialization from cse_main.
3060 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3061 (cse_main): Move its initialization also.
3062 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3063 * flow.c (propagate_one_insn): Likewise.
3064 * gcse.c (compute_hash_table): Likewise.
3065 (compute_kill_rd, compute_store_table): Likewise.
3066 * sched-deps.c (sched_analyze_1): Likewise.
3067
3068 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3069
3070 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3071 gen_rtx_SET.
3072
3073 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3074
3075 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3076 in if statement so we don't access undefined memory.
3077
3078 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3079
3080 * gcse.c: Update comment at top.
3081 Update comment on mem handling.
3082 mem_last_set, mem_first_set, mem_set_in_block: gone.
3083 Declaration of reg_set_info: gone.
3084 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3085 pointless with load_killed_in_block_p (they are *more*
3086 conservative then it, not less, and less accurate).
3087 (oprs_not_set_p): Ditto.
3088 (alloc_gcse_mem): Don't allocate mem_set_in_block
3089 (free_gcse_mem): Don't free it, either.
3090 (record_last_mem_set_info): Update comment in front, remove
3091 mem_*set_* stuff. Note the reason we don't handle stores directly
3092 here.
3093 (compute_hash_table): Update comments to reflect reality. Remove
3094 mem_*set_* references.
3095 (reset_opr_set_tables): Remove mem_*set_* references.
3096 (mark_call): Ditto.
3097 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3098 (mark_clobber): Ditto (on both parts, we double set here too).
3099 (expr_killed_p): Remove mem_set_in_block test.
3100 (compute_transp): Remove mem_set_in_block test.
3101
3102 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3103 of edge, and removal of phi alternative to dump file.
3104 (ssa_ccp_substitute_constants): Add note about register now being
3105 constant, and which uses were replaced in what insns to dump file.
3106
3107 2001-07-16 Andreas Jaeger <aj@suse.de>
3108
3109 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3110 variables of type HOST_WIDEST_INT.
3111
3112 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3113 (__bb_exit_func): Correct type of count_max to avoid overflow.
3114 (num_digits): Handle long long argument.
3115
3116 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3117
3118 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3119
3120 * output.h (sdb_begin_function_line): Restore as an extern
3121 variable.
3122 * sdbout.c (sdb_begin_function_line): Make extern.
3123
3124 2001-07-15 Richard Henderson <rth@redhat.com>
3125
3126 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3127 * genrecog.c (maybe_both_true_mode): New.
3128 (maybe_both_true_2): Use it.
3129 (write_switch): Don't put Pmode in a switch.
3130 * rtl.c (mode arrays): Don't explicitly size them.
3131
3132 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3133
3134 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3135 handling; move unconditional splitting before mode switching.
3136
3137 * i386.md (type): Add fistp type.
3138 (i387, length_attr, scheduling definitions): Handle this type.
3139 (fix_trunc?f?i2): Revamp to use mode switching.
3140 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3141 * i386.h (fp_cw_mode): New enum
3142 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3143 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3144
3145 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3146
3147 * Makefile.in (integrate.o): Add debug.h.
3148 * integrate.c (debug.h): Add.
3149 (output_inline_function): Save, reset, and restore debug_hooks.
3150
3151 2001-07-15 Richard Henderson <rth@redhat.com>
3152
3153 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3154 instead of COMPARE for the EQUIV expression.
3155
3156 2001-07-15 Richard Henderson <rth@redhat.com>
3157
3158 * flow.c (redirect_edge_and_branch_force): Initialize
3159 global_live_at_start and global_live_at_end.
3160 (allocate_bb_life_data): Export.
3161 * basic-block.h (allocate_bb_life_data): Declare.
3162 * toplev.c (rest_of_compilation): Call it.
3163
3164 2001-07-15 Richard Henderson <rth@redhat.com>
3165
3166 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3167 (alpha_tablejump_best_label): New.
3168 * config/alpha/alpha-protos.h: Declare them.
3169 * config/alpha/alpha.md: Use braced strings for code blocks.
3170 (tablejump_osf): Break out add with r29.
3171 (tablejump_osf_internal): Remove.
3172 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3173 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3174
3175 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3176
3177 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3178 of the movable.
3179
3180 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3181
3182 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3183 (ix86_fp_jump_nontrivial_p): New.
3184 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3185 use ix86_fp_jump_nontrivial_p.
3186 * i386.c (ix86_fp_jump_nontrivial_p): New.
3187 (ix86_split_fp_branch): Accept code instead of rtx.
3188 (ix86_expand_compare): Expand comparison early in case
3189 doing so is resonably cheap.
3190
3191 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3192
3193 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3194 not 'machine'.
3195 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3196 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3197
3198 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3199
3200 * dbxout.c (dbxout_source_line): Make static, update prototype.
3201 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3202 (dbxout_init, dbxout_finish, dbxout_source_line,
3203 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3204 * dbxout.h (dbxout_source_line): Delete.
3205 * debug.c (debug_nothing_file, debug_nothing_file_int,
3206 debug_nothing_file_charstar_rtx): New.
3207 (do_nothing_debug_hooks): Update.
3208 (debug_nothing_void, debug_nothing_charstar_rtx,
3209 dwarf2out_end_epilogue): New.
3210 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3211 * debug.h (struct rtx_def): Declare.
3212 (gcc_debug_hooks): New hooks source_line, end_epilogue
3213 and end_function.
3214 (debug_nothing_void, debug_nothing_charstar_rtx,
3215 dwarf2out_end_epilogue): New.
3216 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3217 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3218 (dwarf2_debug_hooks): Update.
3219 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3220 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3221 * dwarf2out.h (dwarf2out_source_line): Remove.
3222 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3223 Make static, update prototype.
3224 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3225 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3226 (dwarf_debug_hooks): Update.
3227 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3228 dwarfout_end_function): Remove.
3229 * final.c (profile_function): Use debug hooks for ending functions
3230 and epilogues.
3231 (output_source_line, final_end_function): Update prototype,
3232 use debug hooks.
3233 (final_start_function, final_scan_insn): Update.
3234 * output.h (sdb_begin_function_line): Remove.
3235 (final_end_function): Update prototype.
3236 * sdbout.c (sdb_begin_function_line): Make static.
3237 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3238 (sdbout_source_line): New.
3239 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3240 prototypes.
3241 (sdb_debug_hooks): Update.
3242 (sdbout_init, sdbout_source_line,
3243 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3244 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3245 * toplev.c (compile_file, rest_of_compilation): Update.
3246 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3247 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3248 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3249 Update for prototype changes.
3250 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3251 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3252
3253 2001-07-15 Richard Henderson <rth@redhat.com>
3254
3255 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3256 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3257 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3258 * config/alpha/alpha.c: Likewise.
3259 * config/alpha/alpha.md: Likewise.
3260 * config/alpha/alpha32.h: Likewise.
3261 * config/alpha/vms.h: Likewise.
3262 (OPEN_VMS): Remove.
3263
3264 2001-07-14 Richard Henderson <rth@redhat.com>
3265
3266 * config/alpha/alpha.md: Use define_constants for unspec values.
3267 Substitute throughout.
3268
3269 2001-07-14 Tim Josling <tej@melbpc.org.au>
3270
3271 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3272
3273 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3274
3275 * pa.md: Remove unused constraints from define_split's.
3276
3277 2001-04-14 Richard Henderson <rth@redhat.com>
3278
3279 * ifcvt.c (find_cond_trap): Test for exit block.
3280
3281 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3282
3283 Re-install recently reverted patch.
3284 * emit-rtl.c (try_split): Update mark_jump_label call.
3285 * flow.c (find_sub_basic_blocks): Likewise.
3286 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3287 jump_back_p): Kill.
3288 (mark_all_labels): Kill second parameter.
3289 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3290 (rebuild_jump_labels, jump_optimize_minimal): Update call
3291 of jump_optimize_1.
3292 (jump_optimize_1): Kill crossjumping code.
3293 (mark_jump_label): Kill cross_jump parameter.
3294 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3295 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3296 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3297 splitting.
3298 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3299 DFI_bpro.
3300 (dump_file_info): Likewise.
3301 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3302 reorganize passes to do reg-stack first, bb-reorder second.
3303 * invoke.texi (-d letters doc): Remove the jump2 pass.
3304
3305 2001-07-14 Richard Henderson <rth@redhat.com>
3306
3307 * ifcvt.c (find_cond_trap): New.
3308 (find_if_header): Call it.
3309 (merge_if_block): Relax existing jump sanity check.
3310 * jump.c (jump_optimize_1): Remove conditional trap handling.
3311
3312 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3313
3314 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3315 millicode.
3316 (insn_refs_are_delayed): Correct comment.
3317 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3318 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3319 instead of r31. Make associated insn !TARGET_64BIT, and
3320 provide an additional 64-bit insn that clobbers r2.
3321 (divsi3): Likewise.
3322 (udivsi3): Likewise.
3323 (modsi3): Likewise.
3324 (umodsi3): Likewise.
3325
3326 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3327
3328 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3329
3330 * flow.c (redirect_edge_and_branch_force, split_edge,
3331 try_crossjump_to_edge): Use set_block_for_new_insns.
3332 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3333
3334 2001-07-13 H.J. Lu (hjl@gnu.org)
3335
3336 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3337 the correct patch.
3338
3339 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3340
3341 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3342
3343 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3344
3345 * c-common.c (decl_attributes): Take a pointer to the node to
3346 which attributes are to be attached, and a flags argument.
3347 * c-common.h (enum attribute_flags): New.
3348 (decl_attributes): Update prototype.
3349 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3350 finish_enum, start_function): Update calls to decl_attributes.
3351 * c-parse.in (component_declarator, component_notype_declarator,
3352 label): Update calls to decl_attributes.
3353
3354 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3355
3356 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3357 * config/avr/avr.c (legitimate_address_p): Return value changed
3358 from letter to register classes. For better debugging.
3359
3360 2001-07-13 Kazu Hirata <kazu@hxi.com>
3361
3362 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3363
3364 2001-07-13 H.J. Lu (hjl@gnu.org)
3365
3366 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3367
3368 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3369
3370 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3371 correctly for shared configurations.
3372 * config/t-libgcc-pic: New.
3373 * config/{i386,m68k,sparc}/t-openbsd: New.
3374 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3375 Support -shared. Support debugging libraries with -g.
3376 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3377 frame information does not emit pointer diffs.
3378 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3379 emit pointer diffs.
3380
3381 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3382
3383 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3384
3385 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3386
3387 * combine.c (try_combine): Ensure const_int pow2 is positive.
3388
3389 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3390
3391 * config.gcc: Add configuration for s/390.
3392 * config/s390/s390.c: New. Subroutines for code generation.
3393 * config/s390/s390.h: New. Definitions for s/390.
3394 * config/s390/s390-protos.h: New. Prototypes.
3395 * config/s390/linux.h: New. Definitions for linux for s/390.
3396 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3397 * config/s390/t-linux: New. Makefile fragment.
3398 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3399 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3400
3401 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3402
3403 * emit-rtl.c (try_split): Update mark_jump_label call.
3404 * flow.c (find_sub_basic_blocks): Likewise.
3405 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3406 jump_back_p): Kill.
3407 (mark_all_labels): Kill second parameter.
3408 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3409 (rebuild_jump_labels, jump_optimize_minimal): Update call
3410 of jump_optimize_1.
3411 (jump_optimize_1): Kill crossjumping code.
3412 (mark_jump_label): Kill cross_jump parameter.
3413 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3414 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3415 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3416 splitting.
3417 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3418 DFI_bpro.
3419 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3420 reorganize passes to do reg-stack first, bb-reorder second.
3421 * invoke.texi (-d letters doc): Remove the jump2 pass.
3422
3423 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3424
3425 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3426
3427 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3428
3429 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3430 basic blocks.
3431 (verify_flow_info): Make diagnostics prettier.
3432
3433 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3434
3435 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3436
3437 * flow.c (outgoing_edges_match): Return early if condition reversal
3438 failed.
3439
3440 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3441
3442 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3443 (mips_move_2words): When splitting a move into two instructions,
3444 prefix the second address operand with '%D'.
3445
3446 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3447
3448 * Makefile.in (final.o): Depend on debug.h.
3449 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3450 (dbx_debug_hooks): Add new hooks.
3451 (xcoff_debug_hooks): New.
3452 * debug.c (debug_nothing_file_int_int): New.
3453 (do_nothing_debug_hooks): Update.
3454 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3455 (debug_nothing_file_int_int): New.
3456 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3457 static, update prototype.
3458 (dwarf2_debug_hooks): Update.
3459 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3460 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3461 static, update prototype.
3462 (dwarf_debug_hooks): Update.
3463 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3464 * final.c: Include debug.h.
3465 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3466 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3467 static, update prototype.
3468 (sdb_debug_hooks): Update.
3469 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3470 * toplev.c: Distinguish between xcoff and dbx.
3471
3472 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3473 Call all debug hooks, not just dwarf ones.
3474
3475 2001-07-11 Timothy Wall <twall@redhat.com>
3476
3477 * config.gcc: Add configuration for AIX5/IA64.
3478 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3479 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3480 support prefix/suffix code.
3481 * config/ia64/t-aix: New. Makefile fragment.
3482 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3483
3484 2001-07-11 Kazu Hirata <kazu@hxi.com>
3485
3486 * recog.c (validate_change): Fix a comment typo.
3487
3488 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3489
3490 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3491 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3492 hooks directly.
3493 * dbxout.c (dbx_debug_hooks): Add new hooks.
3494 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3495 make static.
3496 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3497 make static.
3498 * dbxout.h (dbxout_start_new_source_file,
3499 dbxout_resume_previous_source_file): Delete.
3500 * debug.c (do_nothing_debug_hooks): Add new hooks.
3501 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3502 (debug_nothing_int_charstar, debug_nothing_int): New.
3503 * debug.h (gcc_debug_hooks): New hooks define, undef,
3504 start_source_file and end_source_file.
3505 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3506 (debug_nothing_int_charstar, debug_nothing_int): New.
3507 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3508 the conditionally compiled section.
3509 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3510 dwarf2out_define, dwarf2out_undef): Make static.
3511 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3512 dwarf2out_define, dwarf2out_undef): Remove.
3513 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3514 (dwarfout_start_source_file, dwarfout_end_source_file,
3515 dwarfout_define, dwarfout_undef): Make static.
3516 (dwarfout_start_source_file_check,
3517 dwarfout_end_source_file_check): New.
3518 (dwarfout_define, dwarfout_finish): Update.
3519 * dwarfout.h (dwarfout_start_new_source_file,
3520 dwarfout_resume_previous_source_file, dwarfout_define,
3521 dwarfout_undef): Remove.
3522 * sdbout.c (sdb_debug_hooks): Add new hooks.
3523 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3524 make static.
3525 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3526 make static, take an arg.
3527 * sdbout.h (sdbout_start_new_source_file,
3528 sdbout_resume_previous_source_file): Delete.
3529 * toplev.c (debug_start_source_file, debug_end_source_file,
3530 debug_define, debug_undef): Delete.
3531 * toplev.h (debug_start_source_file, debug_end_source_file,
3532 debug_define, debug_undef): Delete.
3533
3534 * java/jcf-parse.c: Include debug.h.
3535 (parse_class_file): Update to use debug hooks directly.
3536 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3537
3538 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3539
3540 * alias.c (set_mem_alias_set): New function.
3541 * rtl.h (set_mem_alias_set): Declare it.
3542 * builtins.c (expand_builtin_return_addr): Call it instead of
3543 using MEM_ALIAS_SET accessor.
3544 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3545 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3546 (expand_builtin_va_copy):Likewise.
3547 * caller-save.c (setup_save_areas): Likewise.
3548 * calls.c (compute_argument_addresses): Likewise.
3549 * explow.c (set_mem_attributes): Likewise.
3550 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3551 (expand_assignment, store_constructor_field, store_field): Likewise.
3552 (expand_expr_unaligned): Likewise.
3553 * function.c (assign_stack_temp_for_type): Likewise.
3554 (put_reg_into_stack, gen_mem_addressof): Likewise.
3555 * ifcvt.c (noce_try_cmove_arith): Likewise.
3556 * reload1.c (reload, alter_reg): Likewise.
3557 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3558 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3559 (alpha_expand_unaligned_store): Likewise
3560 (alpha_expand_unaligned_load_words): Likewise.
3561 (alpha_expand_unaligned_store_words): Likewise.
3562 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3563 (alpha_expand_epilogue): Likewise.
3564 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3565 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3566 * config/i386/i386.c (legitimize_pic_address): Likewise.
3567 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3568 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3569 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3570 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3571 * config/mips/mips.c (mips_va_arg): Likewise.
3572 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3573 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3574 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3575 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3576 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3577 (rs6000_emit_epilogue): Likewise.
3578 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3579 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3580 * config/v850/v850.c (v850_va_arg): Likewise.
3581
3582 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3583
3584 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3585 when fallthru edge is present.
3586 (mege_blocks): Handle case where creation of jump insn
3587 is required.
3588
3589 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3590 CLEANUP_POST_REGSTACK): New constants.
3591 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3592 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3593 * output.h (cleanup_cfg): Update prototype.
3594 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3595 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3596 cleanup_cfg call; kill missleading comment.
3597 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3598 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3599 parameter; control optimizations performed using it.
3600 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3601 try_crossjump_bb): New functions.
3602
3603 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3604
3605 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3606 extern.
3607 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3608 pa_output_function_prologue.
3609 * pa-protos.h (pa_output_function_prologue): New prototype.
3610
3611 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3612
3613 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3614 and low to get correct sign extension in low+high test.
3615
3616 2001-07-11 Janis Johnson <janis@us.ibm.com>
3617
3618 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3619 for large hit count.
3620
3621 * profile.c (branch_prob): Fix .bbg info for computed gotos
3622 and C++ EH code.
3623
3624 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3625
3626 * stmt.c (parse_output_constraint): New function, split out
3627 from ...
3628 (expand_asm_operands): ... here. Use parse_output_constraint.
3629 * tree.h (parse_output_constraint): Declare it.
3630
3631 2001-07-11 Richard Henderson <rth@redhat.com>
3632
3633 * bitmap.c: Comment some functions; fiddle whitespace.
3634 (bitmap_free): Don't export.
3635 (bitmap_element_allocate): Use memset.
3636 * bitmap.h (bitmap_free): Don't declare.
3637
3638 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3639
3640 * gcse.c, lcm.c, sched-deps.c:
3641 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3642
3643 * flow.c (flow_loops_find): Free dom if we found no loops, since
3644 we aren't going to save it.
3645
3646 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3647 done.
3648
3649 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3650
3651 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3652
3653 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3654
3655 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3656 #ifndef DWARF2_DEBUGGING_INFO.
3657
3658 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3659
3660 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3661
3662 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3663
3664 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3665 reverse a branch if a NE comparison is implemented with GTU.
3666
3667 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3668 H.J. Lu <hjl@gnu.org>
3669
3670 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3671 constant addresses.
3672 (call_internal2): Likewise.
3673 (call_value_internal1): Likewise.
3674 (call_value_internal2): Likewise.
3675 (call_value_multiple_internal1): Likewise.
3676 (call_value_multiple_internal2): Likewise.
3677
3678 2001-07-10 Kazu Hirata <kazu@hxi.com>
3679
3680 * calls.c (emit_library_call_value_1): Fix a comment typo.
3681 * dwarf2out.c (mem_loc_descriptor): Likewise.
3682 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3683
3684 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3685
3686 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3687
3688 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3689
3690 * recog.c (offsettable_address_p): Handle LO_SUM case.
3691 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3692 instead of plus_constant.
3693
3694 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3695
3696 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3697 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3698
3699 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3700
3701 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3702 adjust_address_nv instead of plus_constant.
3703
3704 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3705
3706 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3707 dwarf2out.o): Depend on debug.h, wrap long lines.
3708 * dbxout.c: Include debug.h.
3709 (dbx_debug_hooks): New.
3710 (dbxout_init): Make static, take just 2 args.
3711 (dbxout_finish): Make static.
3712 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3713 * debug.c: New file.
3714 * debug.h: New file.
3715 * dwarf2out.c: Include debug.h.
3716 (dwarf2_debug_hooks): New.
3717 (dwarf2out_init): Make static.
3718 (dwarf2out_finish): Make static, take 2 args.
3719 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3720 * dwarfout.c: Include debug.h.
3721 (dwarf_debug_hooks): New.
3722 (dwarfout_init): Make static.
3723 (dwarfout_finish): Make static, take 2 args.
3724 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3725 * sdbout.c: Include debug.h.
3726 (sdb_debug_hooks): New.
3727 (sdbout_init): Make static, take 2 args.
3728 * sdbout.h (sdbout_init): Delete.
3729 * toplev.c: Include debug.h.
3730 (debug_hooks): New.
3731 (compile_file): Set deubg_hooks based on command line options.
3732 Use the hooks unconditionally rather than conditional compilation.
3733
3734 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3735
3736 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3737 first_insn_after_basic_block_note instead.
3738
3739 * df.c (df_bb_refs_unlink): #if 0 out for now.
3740
3741 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3742
3743 * ssa.h: Add prototype for ssa_const_prop
3744 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3745 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3746 (ssa_fast_dce): Remove unused variable
3747
3748 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3749
3750 * diagnostic.c (finish_diagnostic): Rename to
3751 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3752 calls thourghout.
3753
3754 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3755
3756 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3757 .loc support.
3758
3759 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3760 (dump_file): Only pad the demangled name with spaces if the
3761 mangled name was padded with spaces.
3762
3763 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3764
3765 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3766 edge detection.
3767
3768 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3769
3770 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3771 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3772 EXPAND_INITIALIZER.
3773
3774 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3775 whether can put offset inside LO_SUM to check mode alignment, not size.
3776
3777 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3778
3779 * doc/tm.texi (Misc): Fix thinko.
3780
3781 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3782
3783 * regmove.c (replace_in_call_usage): Fix warnings.
3784 * sched-deps.c (add_dependence): Fix warnings.
3785 * simplify-rtx.c (simplify_subreg): Likewise.
3786 Return NULL_RTX instead of NULL.
3787
3788 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3789 (subst_asm_stack_regs): Likewise.
3790
3791 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3792 warnings.
3793
3794 * dwarf2out.c (output_call_frame_info): Declare i as int.
3795 (build_abbrev_table): Declare n_alloc as int.
3796 (dwarf2out_finish): Initialize die.
3797 * except.c: Declare sjlj_funcdef_number as unsigned.
3798 (connect_post_landing_pads): Declare j as unsigned.
3799 (convert_to_eh_region_ranges): Initialize call_site.
3800 (output_function_exception_table): Initialize tt_format_size.
3801 * expr.c (move_by_pieces_1): Initialize to1.
3802 (store_constructor): Initialize minelt and maxelt.
3803 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3804 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3805
3806 * c-decl.c (combine_parm_decls): Unused, remove.
3807 * c-tree.h: Remove prototype for combine_parm_decls.
3808
3809 * reload.c (push_reload): Fix warning.
3810 (regno_clobbered_p): Likewise.
3811 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3812 (reload_combine): Likewise.
3813
3814 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3815 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3816 warnings.
3817 * bitmap.c (bitmap_operation): Change user.
3818 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3819
3820 2001-07-10 Eric Christopher <echristo@redhat.com>
3821
3822 * config/mips/mips.c (override_options): Fix typo.
3823
3824 2001-07-09 Stan Shebs <shebs@apple.com>
3825
3826 * target.h (struct gcc_target): New fields init_builtins and
3827 expand_builtin.
3828 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3829 (TARGET_EXPAND_BUILTIN): New macro.
3830 (TARGET_INITIALIZER): Add them.
3831 * builtins.c: Include target.h.
3832 (expand_builtin): Use targetm.expand_builtin.
3833 (default_init_builtins): New function.
3834 (default_expand_builtin): New function.
3835 * expr.h (default_init_builtins): Declare.
3836 (default_expand_builtin): Declare.
3837 * c-common.c (c_common_nodes_and_builtins): Use
3838 targetm.init_builtins.
3839 * defaults.h (MD_INIT_BUILTINS): Remove.
3840 * Makefile.in (builtins.o): Depend on target.h.
3841
3842 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3843 (TARGET_EXPAND_BUILTIN): Define.
3844 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3845 (MD_EXPAND_BUILTIN): Remove.
3846
3847 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3848 (TARGET_EXPAND_BUILTIN): Define.
3849 (c4x_init_builtins): Make endlink arg a local.
3850 (c4x_print_operand): Fix typos in adjust_address usages.
3851 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3852 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3853 (MD_EXPAND_BUILTIN): Remove.
3854
3855 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3856 (TARGET_EXPAND_BUILTIN): Define.
3857 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3858 (ix86_init_builtins): Call new function only if TARGET_MMX.
3859 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3860 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3861 (MD_EXPAND_BUILTIN): Remove.
3862
3863 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3864 (TARGET_EXPAND_BUILTIN): Define.
3865 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3866 (MD_EXPAND_BUILTIN): Remove.
3867
3868 * doc/tm.texi: Document these changes.
3869
3870 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3871
3872 * basic-block.h (tree_node): Forward declare if needed.
3873 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3874 (BLOCK_HEAD_TREE): Define.
3875 (BLOCK_END_TREE): Define.
3876 (struct loops): Rename field 'tree' to 'tree_root'.
3877 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3878 'end_tree'.
3879 (flow_loops_tree_build): Rename reference to field 'tree' to
3880 'tree_root'.
3881 (flow_loops_level_compute): Ditto.
3882 * predict.c (estimate_bb_frequencies): Ditto.
3883 * tree.h (struct tree_common): Add field 'aux'.
3884
3885 2001-07-09 Stan Shebs <shebs@apple.com>
3886
3887 * config/darwin.c (darwin_encode_section_info): Don't mark any
3888 DECL_EXTERNAL node as defined.
3889
3890 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3891
3892 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3893 pa_free_machine_status, hppa_init_pic_save): Delete.
3894 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3895 (hppa_profile_hook): Use hppa_pic_save_rtx.
3896 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3897 hppa_init_pic_save): Delete.
3898 (hppa_pic_save_rtx): Declare.
3899 * pa.md (call, call_value, sibcall, sibcall_value,
3900 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3901
3902 2001-07-09 Kazu Hirata <kazu@hxi.com>
3903
3904 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3905 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3906
3907 2001-07-09 Andreas Jaeger <aj@suse.de>
3908
3909 * output.h: Add declaration of final_forward_branch_p.
3910
3911 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3912
3913 * varray.c: Include errors.h for internal_error and trim_filename
3914 declarations.
3915
3916 * Makefile.in (varray.o): Add errors.h.
3917
3918 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3919
3920 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3921 * optabs.c (have_add2_insn): Check whether the add insn chosen
3922 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3923 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3924
3925 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3926
3927 * Makefile.in (OBJS): Add ssa-ccp.o
3928 (ssa-ccp.o): Add dependencies.
3929 * toplev.c (DFI_ssa_ccp): New dump file enum.
3930 (dump_file): Add entry for dumping after SSA CCP.
3931 (flag_ssa_ccp): New flag variable.
3932 (f_options): Add -fssa-ccp.
3933 (rest_of_compilation): Run SSA CCP if requested.
3934 * timevar.def (TV_SSA_CCP): New timevar.
3935 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3936 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3937 Fix minor typo in SSA DCE documentation.
3938 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3939 Add documentation for new dump option. Renumber dump files
3940 appropriately.
3941
3942 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3943
3944 * emit-rtl.c (gen_highpart_mode): New.
3945 * rtl.h (gen_highpart_mode): Declare.
3946 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3947 operand can be VOIDmode constant.
3948
3949 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3950
3951 * flow.c (redirect_edge_and_branch_force): New.
3952 (can_fallthru): Ensure that basic blocks are succeeding.
3953 (try_optimize_cfg): Do not delete basic block if it is the last one.
3954
3955 * flow.c (try_redirect_by_replacing_jump): Do not remove
3956 jumps with side effects, unlink chain on fallthru edge;
3957 set block for new jump instruction; avoid basic block to
3958 over by line number note.
3959
3960 * flow.c (try_simplify_condjump): Verify that the condjump
3961 is not always falling trought.
3962
3963 Re-install patch:
3964 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3965
3966 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3967 (try_redirect_by_replacing_jump): Update properly the count
3968 and frequency information.
3969
3970 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3971
3972 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3973 address that is a LO_SUM specially.
3974 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3975
3976 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3977
3978 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3979 (operand_subword): Use them.
3980 (change_address_1): Renamed from change_address; new arg VALIDATE.
3981 * expr.h: Reflect above changes; change_address now macro.
3982 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3983 making MEM.
3984 * cselib.c (add_mem_for_addr): Likewise.
3985 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3986 * regmove.c (try_apply_stack_adjustment): Likewise.
3987 * reload.c (push_reload, make_memloc): Likewise.
3988 * reload1.c (eliminate_regs): Likewise.
3989 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3990 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3991 adjust_addess.
3992 * combine.c (make_extraction, simplify_shift_const): Likewise.
3993 (gen_lowpart_for_combine): Likewise.
3994 * cse.c (gen_lowpart_if_possible): Likewise.
3995 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3996 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3997 * optabs.c (gen_move_insn): Likewise.
3998 * reload1.c (alter_reg): Likewise.
3999 * simplify-rtx.c (simplify_subreg): Likewise.
4000 * stmt.c (expand_anon_union_decl): Likewise.
4001 * recog.c (validate_replace_rtx_1): Likewise.
4002 (expr.h): Include.
4003 * Makefile.in (recog.o): Add $(EXPR_H).
4004 * explow.c (stabilize): Call replace_equiv_address.
4005 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4006 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4007
4008 2001-07-03 Andrew Haley <aph@redhat.com>
4009
4010 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4011 the mode of the memory location.
4012
4013 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4014
4015 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4016
4017 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4018
4019 * final.c (output_addr_const): Use target opening and
4020 closing parentheses.
4021 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4022 defaults, add to TARGET_ASM_OUT.
4023 * target.h (struct gcc_target): Add open_paren and close_paren.
4024 * doc/md.texi: Update.
4025 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4026 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4027 TARGET_ASM_CLOSE_PAREN.
4028 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4029 Override.
4030 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4031 Override.
4032 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4033 * config/a29k/a29k.h: Similarly.
4034 * config/alpha/alpha.h: Similarly.
4035 * config/arc/arc.h: Similarly.
4036 * config/arm/aof.h: Similarly.
4037 * config/arm/aout.h: Similarly.
4038 * config/avr/avr.h: Similarly.
4039 * config/c4x/c4x.h: Similarly.
4040 * config/clipper/clipper.h: Similarly.
4041 * config/convex/convex.h: Similarly.
4042 * config/d30v/d30v.h: Similarly.
4043 * config/dsp16xx/dsp16xx.h: Similarly.
4044 * config/elxsi/elxsi.h: Similarly.
4045 * config/fr30/fr30.h: Similarly.
4046 * config/h8300/h8300.h: Similarly.
4047 * config/i370/i370.h: Similarly.
4048 * config/i386/i386.h: Similarly.
4049 * config/i860/i860.h: Similarly.
4050 * config/i960/i960.h: Similarly.
4051 * config/ia64/ia64.h: Similarly.
4052 * config/m32r/m32r.h: Similarly.
4053 * config/m68hc11/m68hc11.h: Similarly.
4054 * config/m68k/m68k.h: Similarly.
4055 * config/m88k/m88k.h: Similarly.
4056 * config/mcore/mcore.h: Similarly.
4057 * config/mips/mips.h: Similarly.
4058 * config/mn10200/mn10200.h: Similarly.
4059 * config/mn10300/mn10300.h: Similarly.
4060 * config/ns32k/ns32k.h: Similarly.
4061 * config/pa/pa.h: Similarly.
4062 * config/pdp11/pdp11.h: Similarly.
4063 * config/pj/pj.h: Similarly.
4064 * config/romp/romp.h: Similarly.
4065 * config/rs6000/rs6000.h: Similarly.
4066 * config/sh/sh.h: Similarly.
4067 * config/sparc/sparc.h: Similarly.
4068 * config/v850/v850.h: Similarly.
4069 * config/vax/vax.h: Similarly.
4070 * config/we32k/we32k.h: Similarly.
4071
4072 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4073
4074 * doc/c-tree.texi: Document representation of attributes.
4075
4076 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4077
4078 * doc/tm.texi: Update some places for the rename of target to
4079 targetm. Fix typo.
4080
4081 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4082
4083 * target.h (struct gcc_target): Add insert_attributes.
4084 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4085 (TARGET_INITIALIZER): Update.
4086 * tree.c, tree.h (default_insert_attributes): New function.
4087 Update comments on other default functions to refer to targetm,
4088 not target.
4089 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4090 TARGET_INSERT_ATTRIBUTES.
4091 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4092 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4093 Don't use PRAGMA_INSERT_ATTRIBUTES.
4094 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4095 * c-decl.c (start_decl, start_function): Don't call
4096 SET_DEFAULT_DECL_ATTRIBUTES.
4097 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4098 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4099 declare.
4100 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4101 (c4x_check_attribute): Avoid modifying attribute list itself.
4102 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4103 Make static.
4104 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4105 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4106 declare.
4107 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4108 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4109 Make static.
4110 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4111 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4112 declare.
4113 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4114 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4115 Adjust parameters. Make static.
4116
4117 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4118
4119 * c-common.c (decl_attributes): Only take a single attributes
4120 parameter.
4121 * c-common.h (decl_attributes): Update prototype.
4122 * c-decl.c (start_decl, start_function): Only take a single
4123 attributes parameter. Update calls to decl_attributes.
4124 (finish_struct, finish_enum): Update calls to decl_attributes.
4125 (push_parm_decl): Expect unified list of attributes. Update call
4126 to decl_attributes.
4127 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4128 notype_nested_function, component_declarator,
4129 component_notype_declarator, label): Update calls to
4130 decl_attributes.
4131 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4132 lists that are passed to push_parm_decl.
4133 * c-tree.h (start_function, start_decl): Update prototypes.
4134 * config/sh/sh-protos.h, config/sh/sh.c
4135 (sh_pragma_insert_attributes): Only take a single attributes
4136 parameter.
4137 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4138 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4139 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4140 build_module_descriptor, generate_static_references,
4141 generate_strings, build_selector_translation_table,
4142 generate_descriptor_table, generate_protocols,
4143 generate_ivars_list, generate_dispatch_table,
4144 generate_protocol_list, generate_category,
4145 generate_shared_structures, really_start_method, add_objc_decls,
4146 generate_classref_translation_entry): Update calls to start_decl
4147 and start_function.
4148 (build_tmp_function_decl, start_method_def): Unify attribute lists
4149 that are passed to push_parm_decl.
4150
4151 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4152
4153 * final.c (no_asm_to_stream): New.
4154 (final_scan_insn): Use target structures for prologue ends
4155 and epilogue starts.
4156 * output.h (no_asm_to_stream): New.
4157 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4158 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4159 (TARGET_ASM_OUT): Update.
4160 * target.h (struct gcc_target): New members function_end_prologue
4161 and function_begin_epilogue.
4162 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4163 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4164 * config/alpha/alpha.c (output_end_prologue): Rename to
4165 alpha_output_function_end_prologue. Use in target struct
4166 and make static.
4167 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4168 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4169 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4170 ia64_output_function_end_prologue. Use in target struct
4171 and make static.
4172 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4173 mistyped prototypes.
4174 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4175 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4176 Delete.
4177 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4178 an use in target struct, make static.
4179 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4180 Delete.
4181
4182 2001-07-08 Richard Henderson <rth@redhat.com>
4183
4184 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4185
4186 2001-07-08 Richard Henderson <rth@redhat.com>
4187
4188 * config/i386/i386.md: Remove constraints strings from define_split
4189 and define_peephole2 patterns.
4190 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4191 (eh_return): Use them.
4192
4193 2001-07-08 Richard Henderson <rth@redhat.com>
4194
4195 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4196 Document MD_FALLBACK_FRAME_STATE_FOR.
4197
4198 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4199
4200 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4201 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4202 elimination.
4203 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4204
4205 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4206
4207 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4208 of the label inside NAME as opposed to just the end of NAME.
4209
4210 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4211
4212 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4213 * config/alpha/alpha.c (alpha_init_machine_status,
4214 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4215 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4216 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4217 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4218
4219 2001-07-06 Stan Shebs <shebs@apple.com>
4220
4221 * target.h (targetm): Rename global from "target", so as not to
4222 conflict with local variables.
4223 * c-decl.c: Ditto.
4224 * c-typeck.c: Ditto.
4225 * final.c: Ditto.
4226 * tree.c: Ditto.
4227 * cp/decl.c: Ditto.
4228 * cp/decl2.c: Ditto.
4229 * cp/typeck.c: Ditto.
4230 * 1750a/1750a.c: Ditto.
4231 * a29k/a29k.c: Ditto.
4232 * arc/arc.c: Ditto.
4233 * arm/arm.c: Ditto.
4234 * avr/avr.c: Ditto.
4235 * clipper/clipper.c: Ditto.
4236 * convex/convex.c: Ditto.
4237 * d30v/d30v.c: Ditto.
4238 * dsp16xx/dsp16xx.c: Ditto.
4239 * elxsi/elxsi.c: Ditto.
4240 * fr30/fr30.c: Ditto.
4241 * h8300/h8300.c: Ditto.
4242 * i370/i370.c: Ditto.
4243 * i386/i386.c: Ditto.
4244 * i860/i860.c: Ditto.
4245 * i960/i960.c: Ditto.
4246 * ia64/ia64.c: Ditto.
4247 * m32r/m32r.c: Ditto.
4248 * m68hc11/m68hc11.c: Ditto.
4249 * m68k/m68k.c: Ditto.
4250 * m88k/m88k.c: Ditto.
4251 * mips/mips.c: Ditto.
4252 * ns32k/ns32k.c: Ditto.
4253 * pa/pa.c: Ditto.
4254 * pdp11/pdp11.c: Ditto.
4255 * romp/romp.c: Ditto.
4256 * rs6000/rs6000.c: Ditto.
4257 * sh/sh.c: Ditto.
4258 * sparc/sparc.c: Ditto.
4259 * vax/vax.c: Ditto.
4260 * we32k/we32k.c: Ditto.
4261 * doc/tm.texi: Update the manual to match.
4262
4263 2001-07-06 Richard Henderson <rth@redhat.com>
4264
4265 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4266 DWARF2_UNWIND_INFO not just whether it is defined.
4267
4268 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4269
4270 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4271 call to simplify_binary_operation returns a new pattern.
4272
4273 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4274
4275 * glimits.h (__SHRT_MAX__): New.
4276 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4277 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4278
4279 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4280
4281 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4282 avoid warnings.
4283
4284 2001-07-06 Richard Henderson <rth@redhat.com>
4285
4286 * bitmap.c (bitmap_release_memory): Move adjacent to the
4287 allocation functions.
4288 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4289 the implementation. Binary search for the set bit.
4290 (bitmap_union_of_diff): Allocate the temporary on the stack
4291 instead of using xmalloc.
4292
4293 2001-07-06 Richard Henderson <rth@redhat.com>
4294
4295 * genrecog.c (validate_pattern): Warn for constraints in
4296 define_{expand,split,peephole2}. Remove strict_low_part
4297 before looking up match_dup.
4298
4299 2001-07-06 DJ Delorie <dj@redhat.com>
4300
4301 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4302 chapter about various build hints and history. Add section
4303 talking about the various types of native and cross builds.
4304
4305 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4306
4307 * Makefile.in (final.o): Depend on target.h.
4308 * final.c: Include target.h.
4309 (default_function_pro_epilogue): New.
4310 (final_start_function): Use target structure for function prologues.
4311 (final_end_function): Use target structure for function epilogues.
4312 * fold-const.c (real_hex_to_f): Constify s and p.
4313 * output.h (default_function_pro_epilogue): New.
4314 * real.h (real_hex_to_f): Update prototype.
4315 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4316 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4317 (TARGET_INITIALIZER): Update.
4318 * target.h (gcc_target): Add struct asm_out.
4319 * doc/tm.texi: Update.
4320
4321 config:
4322 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4323 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4324 in cpu/cpu.c, or rename old functions consistently. Take
4325 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4326 redundant macros and prototypes. Make new functions static.
4327
4328 * 1750a/1750a.c: Similarly.
4329 * 1750a/1750a.h: Similarly.
4330 * a29k/a29k-protos.h: Similarly.
4331 * a29k/a29k.c: Similarly.
4332 * a29k/a29k.h: Similarly.
4333 * arc/arc-protos.h: Similarly.
4334 * arc/arc.c: Similarly.
4335 * arc/arc.h: Similarly.
4336 * arm/arm-protos.h: Similarly.
4337 * arm/arm.c: Similarly.
4338 * arm/arm.h: Similarly.
4339 * avr/avr-protos.h: Similarly.
4340 * avr/avr.c: Similarly.
4341 * avr/avr.h: Similarly.
4342 * clipper/clipper-protos.h: Similarly.
4343 * clipper/clipper.c: Similarly.
4344 * clipper/clipper.h: Similarly.
4345 * convex/convex.c: Similarly.
4346 * convex/convex.h: Similarly.
4347 * d30v/d30v-protos.h: Similarly.
4348 * d30v/d30v.c: Similarly.
4349 * d30v/d30v.h: Similarly.
4350 * d30v/d30v.md: Similarly.
4351 * dsp16xx/dsp16xx-protos.h: Similarly.
4352 * dsp16xx/dsp16xx.c: Similarly.
4353 * dsp16xx/dsp16xx.h: Similarly.
4354 * elxsi/elxsi.c: Similarly.
4355 * elxsi/elxsi.h: Similarly.
4356 * fr30/fr30.c: Similarly.
4357 * fr30/fr30.md: Similarly.
4358 * h8300/h8300-protos.h: Similarly.
4359 * h8300/h8300.c: Similarly.
4360 * h8300/h8300.h: Similarly.
4361 * i370/i370-protos.h: Similarly.
4362 * i370/i370.c: Similarly.
4363 * i370/i370.h: Similarly.
4364 * i386/i386.c: Similarly.
4365 * i386/osf1elf.h: Similarly.
4366 * i386/osfrose.h: Similarly.
4367 * i860/i860-protos.h: Similarly.
4368 * i860/i860.c: Similarly.
4369 * i860/i860.h: Similarly.
4370 * i960/i960-protos.h: Similarly.
4371 * i960/i960.c: Similarly.
4372 * i960/i960.h: Similarly.
4373 * ia64/ia64-protos.h: Similarly.
4374 * ia64/ia64.c: Similarly.
4375 * ia64/ia64.h: Similarly.
4376 * m32r/m32r-protos.h: Similarly.
4377 * m32r/m32r.c: Similarly.
4378 * m32r/m32r.h: Similarly.
4379 * m68hc11/m68hc11-protos.h: Similarly.
4380 * m68hc11/m68hc11.c: Similarly.
4381 * m68hc11/m68hc11.h: Similarly.
4382 * m68k/crds.h: Similarly.
4383 * m68k/dpx2.h: Similarly.
4384 * m68k/m68k-protos.h: Similarly.
4385 * m68k/m68k.c: Similarly.
4386 * m68k/m68k.h: Similarly.
4387 * m68k/news.h: Similarly.
4388 * m88k/m88k-protos.h: Similarly.
4389 * m88k/m88k.c: Similarly.
4390 * m88k/m88k.h: Similarly.
4391 * mips/mips-protos.h: Similarly.
4392 * mips/mips.c: Similarly.
4393 * mips/mips.h: Similarly.
4394 * ns32k/merlin.h: Similarly.
4395 * ns32k/ns32k.c: Similarly.
4396 * ns32k/ns32k.h: Similarly.
4397 * ns32k/tek6000.h: Similarly.
4398 * pa/pa-protos.h: Similarly.
4399 * pa/pa.c: Similarly.
4400 * pa/pa.h: Similarly.
4401 * pdp11/2bsd.h: Similarly.
4402 * pdp11/pdp11-protos.h: Similarly.
4403 * pdp11/pdp11.c: Similarly.
4404 * pdp11/pdp11.h: Similarly.
4405 * romp/romp-protos.h: Similarly.
4406 * romp/romp.c: Similarly.
4407 * romp/romp.h: Similarly.
4408 * rs6000/rs6000-protos.h: Similarly.
4409 * rs6000/rs6000.c: Similarly.
4410 * rs6000/rs6000.h: Similarly.
4411 * rs6000/sysv4.h: Similarly.
4412 * sh/sh-protos.h: Similarly.
4413 * sh/sh.c: Similarly.
4414 * sh/sh.h: Similarly.
4415 * sparc/sparc-protos.h: Similarly.
4416 * sparc/sparc.c: Similarly.
4417 * sparc/sparc.h: Similarly.
4418 * vax/vax.c: Similarly.
4419 * vax/vax.h: Similarly.
4420 * vax/vms.h: Similarly.
4421 * we32k/we32k.c: Similarly.
4422 * we32k/we32k.h: Similarly.
4423
4424 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4425
4426 * basic-block.h (first_insn_after_basic_block_note): Declare.
4427 * flow.c (first_insn_after_basic_block_note): Define. Moved
4428 from...
4429 * ssa.c (first_insn_after_basic_block_note): Remove.
4430 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4431 necessary.
4432 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4433 nodes when we find a dead conditional branch. Insert BARRIERs
4434 after any blocks with no successors, but which do not have
4435 any BARRIERs.
4436
4437 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4438
4439 * varray.c (varray_check_failed): Use internal_error.
4440
4441 2001-07-05 Andrew Haley <aph@redhat.com>
4442
4443 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4444 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4445 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4446
4447 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4448
4449 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4450 reference if the target constant is also a SYMBOL_REF.
4451
4452 2001-07-05 Eric Christopher <echristo@redhat.com>
4453
4454 * config/mips/mips.h (MASK_MIPS3900): Remove.
4455 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4456 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4457 (TARGET_MIPS3900): Change to use mips_arch.
4458 (TARGET_MIPS4000): New.
4459 (TARGET_MIPS4100): New.
4460 (TARGET_MIPS4300): New.
4461 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4462 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4463 for -mipsX.
4464 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4465 (ISA_HAS_BRANCHLIKELY): To here.
4466 (CC1_CPU_SPEC): New.
4467 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4468 (mips_arch_string): Declare.
4469 (mips_arch): Declare.
4470 (TARGET_OPTIONS): Add -march and -mtune.
4471
4472 * config/mips/mips.c (mips_arch_string): New.
4473 (mips_arch): New.
4474 (override_options): Handle -march for codegen and -mtune
4475 for scheduling. Use mips_arch. Move tx39 target default here.
4476 (mips_parse_cpu): Move error message to override_options.
4477
4478 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4479
4480 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4481
4482 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4483 (MIPS Options): Ditto. Change mcpu entry to historical text.
4484
4485 2001-07-05 H.J. Lu (hjl@gnu.org)
4486
4487 * config/mips/mips.c (mips_parse_cpu): New function to parse
4488 -march=*/-mcpu=*.
4489
4490 2001-07-05 Jim Wilson <wilson@redhat.com>
4491
4492 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4493 * config/ia64/t-ia64: Likewise.
4494 (LIB1ASMFUNCS): Update comment.
4495
4496 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4497
4498 * doc/install.texi (Install GCC: Binaries): Fix typo.
4499
4500 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4501
4502 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4503 reference using the stack pointer, adjust it since we push Y
4504 temporarily.
4505 ("*ashrsi3"): Likewise.
4506 ("*lshrsi3"): Likewise.
4507
4508 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4509
4510 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4511 when -fomit-frame-pointer is used.
4512
4513 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4514
4515 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4516 (try_redirect_by_replacing_jump): Reverse updating properly the
4517 count and frequency information. Reverse removing cc0 setter.
4518 (forwarder_block_p): Reverse fixing for fallthru blocks.
4519
4520 2001-07-05 DJ Delorie <dj@redhat.com>
4521
4522 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4523 (translate_options): If the above is defined, use it to map
4524 given options to new options.
4525 * doc/tm.texi: Document it.
4526
4527 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4528 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4529
4530 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4531 cause programs using computed gotos to run more slowly.
4532
4533 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4534
4535 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4536 Fixed sorting.
4537 Consistently require binutils 2.11.2, not prereleases.
4538 (Specific, decstation-*): Canonicalize as mips-dec-*.
4539 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4540 always necessary.
4541 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4542 (Specific, mips-*): Reword MIPS C compiler requirements.
4543 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4544 (Specific, sunv5): Removed, obsolete.
4545
4546 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4547
4548 * dwarf2out.c (output_loc_list): Use an all ones mask for
4549 .text asm output and don't rely on long long
4550 literals. Reformat some long lines.
4551
4552 2001-07-05 Andreas Jaeger <aj@suse.de>
4553
4554 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4555 section.
4556
4557 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4558
4559 * dwarf2out.c (dwarf2out_define): Update comment.
4560 (dwarf2out_undef): Ditto.
4561 (dwarf2out_start_source_file): Ditto.
4562 (dwarf2out_end_source_file): Ditto.
4563 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4564 since we never call the start/end debug hook for the primary file.
4565
4566 2001-07-04 Kazu Hirata <kazu@hxi.com>
4567
4568 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4569 from shll.
4570
4571 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4572
4573 * cppinit.c (remove_dup_dirs): Inform if a system include
4574 directory is being reordered.
4575 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4576 system include.
4577 * doc/cpp.texi (Search Paths): Likewise.
4578 * doc/gcc.texi (Interoperation): Remove information about
4579 -I/usr/include.
4580
4581 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4582
4583 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4584 (VARRAY_TOP_CHAR_PTR): Likewise.
4585
4586 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4587
4588 * gcc.c (process_command): Don't assign elements of a const char*.
4589
4590 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4591
4592 * emit-rtl.c (change_address): Don't abort if invalid address while
4593 reload is in progress.
4594
4595 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4596
4597 * c-lex.c (cb_file_change): Pass line number to
4598 debug_start_source_file.
4599 (cb_undefine): Pass correct line number to debug_undef.
4600
4601 * toplev.c (debug_start_source_file): Add line number to
4602 parameters. Pass it along to dwarf2out_start_source_file.
4603 (decode_g_option): Stop resetting debug level back to normal when
4604 we change debug formats, unless the current level is
4605 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4606 3).
4607
4608 * toplev.h (debug_start_source_file): Add line number to
4609 parameters.
4610
4611 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4612 parameters.
4613
4614 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4615 parameters.
4616 Output debug_macinfo data for starting file if requested.
4617 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4618 file if requested.
4619 (dwarf2out_define): Output debug_macinfo data for defining a macro
4620 if requested.
4621 (dwarf2out_undef): Output debug_macinfo data for undefining a
4622 macro if requested.
4623 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4624 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4625 (macinfo_section_label): New. DWARF2 macro info section label.
4626 (dwarf2out_init): If we want macro info, output the start label
4627 for the section.
4628 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4629 attribute to the compilation unit die pointing to the macro info.
4630
4631 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4632
4633 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4634 DWARF2_DEBUGGING_INFO.
4635 (add_loc_descr_to_loc_list): Ditto.
4636 (output_loc_list): Ditto.
4637 Also, fix thinko in curr not being initialized.
4638 (gen_internal_sym): Ditto.
4639
4640 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4641
4642 * emit-rtl.c (replace_equiv_address): New function.
4643 * expr.h (replace_equiv_address): New declaration.
4644 * explow.c (validize_mem): Call it instead of change_address and
4645 also call if -fforce-addr and address is constant.
4646 * expr.c: Replace more calls to change_address with adjust_address
4647 and/or replace_equiv_address or to validize_mem.
4648 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4649 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4650 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4651 * config/i370/i370.md, config/i860/i860.md: Likewise.
4652 * config/i960/i960.md, config/mips/mips.c: Likewise.
4653 * config/mips/mips.md, config/pa/pa.md: Likewise.
4654 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4655 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4656
4657 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4658
4659 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4660
4661 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4662 function.
4663
4664 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4665
4666 * doc/include: New directory.
4667 * doc/fdl.texi: Move to doc/include/fdl.texi.
4668 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4669 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4670 * doc/gcc.texi: Use funding.texi and gpl.texi.
4671 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4672 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4673 Update dependencies and use -I $(docdir)/include.
4674
4675 2001-07-04 Anthony Green <green@redhat.com>
4676
4677 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4678
4679 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4680
4681 * doc/install.texi (sparc64-*-*): Remove garbage.
4682
4683 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4684
4685 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4686 Fix typo in last change to use adjust_address.
4687
4688 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4689
4690 * doc/install.texi (Specific): Update information for *-*-solaris*.
4691
4692 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4693
4694 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4695
4696 2001-07-03 Stan Shebs <shebs@apple.com>
4697
4698 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4699 case for flag_no_mach_text_sections.
4700 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4701 * config/darwin.c (flag_no_mach_text_sections): Remove.
4702 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4703
4704 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4705
4706 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4707 and avoid checking for constant as first operand.
4708 * recog.c (find_constant_term_loc): No longer static.
4709 (adj_offettable_operand): Delete.
4710 * rtl.h (adj_offsettable_operand): Delete declaration.
4711 (find_constant_term): Add declaration.
4712 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4713 to adjust_address.
4714 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4715 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4716 * config/i386/i386.c, config/i386/i386.md: Likewise.
4717 * config/i860/i860.c, config/i960/i960.c: Likewise.
4718 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4719 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4720 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4721 * config/mips/mips.c, config/mips/mips.md: Likewise.
4722 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4723 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4724 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4725 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4726 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4727 * config/ns32k/ns32k.md: Likewise.
4728
4729 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4730
4731 * rtl.c (copy_rtx): Handle 'T' format letter.
4732 * gensupport.c (collect_insn_data): Likewise.
4733 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4734
4735 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4736
4737 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4738 -B option. Use 'dir' not 'foo' as example directory name.
4739
4740 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4741
4742 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4743 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4744
4745 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4746
4747 * doc/cppinternals.texi: Improve formatting and logical markup.
4748
4749 2001-07-03 Andreas Jaeger <aj@suse.de>
4750
4751 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4752
4753 * genrecog.c (write_header): Include reload.h for prototypes in
4754 insn-recog.c.
4755
4756 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4757
4758 config:
4759 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4760 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4761 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4762 i386_pe_valid_type_attribute_p): Add.
4763 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4764 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4765
4766 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4767
4768 * explow.c (plus_constant_wide, case LO_SUM): New case.
4769 (plus_constant_for_output_wide): Delete.
4770 * rtl.h (plus_constant_for_output): Delete.
4771 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4772 instead of plus_constant_for_output.
4773 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4774 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4775 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4776 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4777 * config/sparc/sparc.md: Likewise.
4778 Convert some change_address calls to adjust_address.
4779
4780 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4781
4782 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4783 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4784 documentation of -std and -Wwrite-strings.
4785
4786 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4787
4788 * cse.c (canon_hash): Don't register registers in very small
4789 register classes, as extending their lifetime might cause
4790 reload to fail.
4791
4792 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4793
4794 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4795
4796 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4797 (try_redirect_by_replacing_jump): Update properly the count
4798 and frequency information.
4799
4800 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4801
4802 * toplev.c (dump_file_index): Move SSA dumps just after first
4803 jump dump.
4804 (dump_file): Corresponding changes.
4805 (rest_of_compilation): Move SSA path to just after the first
4806 jump pass.
4807 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4808 * doc/invoke.texi: Update dump file #s as they were completely
4809 out of date with reality.
4810
4811 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4812
4813 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4814
4815 * expr.c (emit_move_insn_1): Deal with non-default
4816 STACK_PUSH_CODE.
4817
4818 * expr.c (emit_single_push_insn): Fix warning.
4819
4820 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4821
4822 * expr.c (emit_move_insn_1): Avoid modifying
4823 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4824
4825 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4826
4827 * emit-rtl.c (adjust_address): New function.
4828 * expr.h (adjust_address): Add declaration.
4829 * builtins.c: Replace some calls to change_address with calls to it
4830 or to validize_mem.
4831 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4832 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4833 * config/arm/arm.c, config/convex/convex.c: Likewise.
4834 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4835 * config/i386/i386.c, config/i386/i386.md: Likewise.
4836 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4837 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4838 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4839 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4840 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4841
4842 2001-07-02 Jim Wilson <wilson@redhat.com>
4843
4844 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4845
4846 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4847
4848 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4849 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4850
4851 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4852
4853 * cppinit.c (lang_defaults): New table.
4854 (set_lang): Just read from lang_defaults into the live options
4855 structure.
4856
4857 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4858
4859 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4860 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4861 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4862
4863 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4864
4865 * doc/install.texi: Various spelling and markup fixes.
4866 (Installing GCC): Component specific installation instructions are
4867 gone.
4868 Fix reference.
4869 Warn about removing old install dir in the presence of shared libs.
4870 (Configuration): Invoke with options target to match configure
4871 --help.
4872 Consistently refer to gas, gld pathnames.
4873 Invert --enable-multilib documentation.
4874 Remove references to old compiler versions.
4875
4876 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4877
4878 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4879
4880 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4881
4882 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4883 section.
4884 (Specific, mips*-sgi-irix5): Note IDO download.
4885 Reworded MIPS C hints.
4886 Use GNU as instead of GAS.
4887 Markup fixes.
4888 Removed SGI Freeware reference, IRIX 6 only.
4889 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4890 Note N64 library requirement/workaround.
4891 Update O32 hints.
4892 Complete list of structure passing bug victims.
4893
4894 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4895
4896 * doc/install.texi: Remove CVS Id.
4897
4898 2001-07-02 Andreas Jaeger <aj@suse.de>
4899
4900 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4901 (find_inherently_necessary): Remove unused variable.
4902
4903 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4904
4905 * c-common.h (TDI_inlined): New ast dump phase.
4906 (dump_flag_name): New function.
4907 * c-dump.c (dump_files): Add inlined phase.
4908 (dump_flag_name): Define.
4909 * doc/invoke.texi (-fdump-ast-inlined): Document.
4910
4911 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4912
4913 * stor-layout.c (layout_decl): Revert change to handling of alignment
4914 in packed types.
4915
4916 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4917
4918 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4919 for FIELD_DECL.
4920
4921 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4922
4923 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4924 is special.
4925
4926 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4927
4928 * tlink.c (recompile_files): Remove COMPILER_PATH and
4929 LIBRARY_PATH from the environment.
4930
4931 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4932
4933 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4934 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4935 enumerators.
4936 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4937
4938 * c-parse.in (OBJC_STRING): Kill.
4939 (objc_string): Decompose to [objc_string] '@' STRING.
4940 (reswords): Take the leading '@' off all the Objective C keywords.
4941 (objc_rid_sans_at): Kill.
4942 (init_reswords): Don't initialize it.
4943 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4944 (_yylex): Kill reconsider label. Look ahead one token after
4945 an '@'; if we get an identifier, check whether it's an
4946 Objective C @-keyword. If so, return the keyword. Otherwise,
4947 put back the token and return the '@' as a terminal.
4948
4949 * cpplib.c (lex_macro_node): Remove unnecessary check for
4950 leading '@' on identifier. Clarify control flow and commentary.
4951
4952 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4953
4954 * cse.c (new_label_ref): Variable deleted.
4955 (insert): Remove set of new_label_ref.
4956 (check_for_label_ref): New function.
4957 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4958
4959 See ChangeLog.5 for earlier changes.