1 2001-08-11 Richard Henderson <rth@redhat.com>
3 * combine.c (distribute_notes): Place REG_SETJMP.
5 2001-08-11 Richard Henderson <rth@redhat.com>
7 * doc/extend.texi (Arrays and pointers implementation): Discourage
8 relying on sign-extension of pointers.
10 2001-08-11 H.J. Lu <hjl@gnu.org>
12 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
14 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
17 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19 * doc/install.texi (Specific, c4x): Fix cross-reference to the
20 main manual to work both for info and HTML versions.
22 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
23 Matt Kraai <kraai@alumni.carnegiemellon.edu>
25 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
26 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
27 (struct cpp_pool): New member first.
28 * cppinit.c (append_include_chain): Plug memory leaks.
29 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
30 Allocate pragma structures from the (aligned) macro pool to
32 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
33 so we don't leak memory.
34 * hashtable.c (ht_destroy): New.
35 * hashtable.h (ht_destroy): New.
37 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
38 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
40 * c-lex.c (map): Make const.
41 (cb_file_change): Update for callback passing a line map.
42 Don't assume we have a previous map. Remove sanity check
43 about popping too many files.
44 * cpperror.c (print_location): Make map const.
45 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
46 (cpp_make_system_header): Similarly.
47 (search_from): Similarly.
48 (_cpp_execute_include): Don't remember where we came from.
49 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
50 (struct cpp_reader): Make map const.
51 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
52 * cpplib.c (do_line): Update; line maps now hold sysp.
53 (cpp_push_buffer): Similarly.
54 (_cpp_do_file_change): Similarly; callback with map instead.
55 (cpp_get_line_maps): Constify return value.
56 (_cpp_pop_buffer): Update.
57 * cpplib.h (struct cpp_file_change): Remove.
58 (struct cpp_callbacks): Update.
59 (cpp_get_line_maps): Constify return value.
60 * cppmacro.c (_cpp_create_definition): Update.
61 * cppmain.c (struct printer): Constify map.
62 (maybe_print_line): Similarly.
63 (print_line): Similarly. Deduce flags 1 and 2 here.
64 (cb_file_change): Update.
65 * line-map.c (free_line_maps): Warn regardless.
66 (add_line_map): Return pointer to const. When passed NULL to_file
67 with LC_LEAVE, use the obvious values for the return point so the
68 caller doesn't have to figure them out.
69 (lookup_line): Return pointer to const.
70 (print_containing_files): Take pointer to const.
71 * line-map.h (struct line_map): New members reason, sysp.
72 (add_line_map): Return pointer to const.
73 (lookup_line): Similarly.
74 (print_containing_files): Take pointer to const.
76 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
77 Richard Henderson <rth@redhat.com>
79 * regmove.c (regmove_optimize): Avoid setting a register twice in
82 2001-08-10 Richard Henderson <rth@redhat.com>
84 * doc/extend.texi (Arrays and pointers implementation): Document
85 behavior of pointer/integer conversion.
87 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
89 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
91 2001-08-10 Richard Henderson <rth@redhat.com>
93 * doc/extend.texi (C Implementation): New chapter.
94 * doc/gcc.texi (Top): Link it in.
96 2001-08-10 Andrew Cagney <ac131313@redhat.com>
98 * doc/install.texi (Specific): Fix CVS merge botch.
100 2001-08-10 Richard Henderson <rth@redhat.com>
102 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
103 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
105 2001-08-10 Zack Weinberg <zackw@stanford.edu>
107 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
108 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
109 this macro is now required.
111 * cselib.c (cselib_process_insn), flow.c (propagate_block),
112 loop.c (find_and_verify_loops), reload.c (reload): Check
113 for rtx code of CALL_INSN, not CALL, when deciding if we
114 need to check for REG_SETJMP note.
116 * gcse.c (compute_hash_table, compute_store_table): Update
117 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
120 * config/avr/avr.c: Fix typo.
121 * config/convex/convex.c (expand_movstr): Use adjust_address.
122 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
124 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
125 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
127 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
128 Do define STACK_BOUNDARY.
129 * config/i370/i370.c: Include expr.h.
130 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
131 config/pa/som.h, config/v850/v850.h: Take in_ctors and
132 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
133 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
134 * config/m88k/m88k.c: Include c-tree.h after expr.h.
135 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
136 * config/romp/romp.c: Include expr.h after tree.h.
138 (output_fpop): Use xmalloc, not oballoc.
139 * config/we32k/we32k.c: Include expr.h.
141 2001-08-10 Kazu Hirata <kazu@hxi.com>
143 * config/h8300/h8300.h: Fix formatting.
145 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
147 * c-common.h (RETURN_NULLIFIED_P): Lose.
148 * c-semantics.c (genrtl_return_stmt): Don't check it.
150 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
152 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
153 (mips_annotate_frame_insn): New function.
154 (mips_emit_frame_related_store): New function.
155 (save_restore_insns): Don't mark instructions that set up the base
156 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
157 the store instructions instead.
158 (mips_expand_prologue): If the stack size is moved into a temporary
159 register, do not mark that move as frame-related. Add a
160 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
162 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
164 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
165 stack slot as unchanging if current_function_calls_eh_return.
167 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
169 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
170 access the second half of the TFmode scratch operand.
172 2001-08-10 Anthony Green <green@redhat.com>
174 * java/class.c (emit_register_classes): Conditionalize code on
177 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
179 * doc/install.texi (Specific, avr): Fix cross-reference to the
180 main manual to work both for info and HTML versions.
182 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
184 * stmt.c (expand_null_return_1): Remove code to generate simple returns
185 and "use_goto" argument.
186 (expand_null_return, expand_value_return): Update all callers.
187 * function.c (expand_function_end): Remove code to generate simple
189 * config/vax/vax.md (epilogue): New expander for function return.
190 * doc/md.texi (epilogue): Remove "if defined".
192 2001-08-09 Zack Weinberg <zackw@stanford.edu>
194 * Makefile.in: Partially revert my previous change:
195 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
196 of the hashtab.o and safe-ctype.o rules.
198 2001-08-09 Richard Henderson <rth@redhat.com>
200 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
201 (USE_COLLECT2): Remove duplicate definition.
202 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
203 (use_collect2): Remove dead code.
204 * configure.in (use_collect2): Remove will_use_collect2 and
205 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
206 * configure: Rebuild.
208 * target.h (targetm.asm_out.constructor): New.
209 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
210 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
211 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
212 * varasm.c (in_ctors, in_dtors): New.
213 (assemble_constructor, assemble_destructor): Remove.
214 (default_stabs_asm_out_destructor): New.
215 (default_named_section_asm_out_destructor): New.
216 (dtors_section, default_dtor_section_asm_out_destructor): New.
217 (default_stabs_asm_out_constructor): New.
218 (default_named_section_asm_out_constructor): New.
219 (ctors_section, default_ctor_section_asm_out_constructor): New.
220 * output.h: Update declarations.
221 * c-decl.c (c_expand_body): Use target hooks instead of
222 assemble_constructor and assemble_destructor.
223 * profile.c (output_func_start_profiler): Likewise.
224 * objc/objc-act.c (finish_objc): Likewise.
225 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
227 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
229 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
230 (DTORS_SECTION_ASM_OP): Likewise.
231 (__CTOR_LIST__): Use attribute section when possible.
232 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
234 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
235 ASM_OUTPUT_CONSTRUCTOR.
237 * config/darwin.c (machopic_asm_out_constructor): New.
238 (machopic_asm_out_destructor): New.
239 * config/darwin-protos.h: Update declarations.
240 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
241 (ASM_OUTPUT_DESTRUCTOR): Remove.
242 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
243 * config/nextstep.c (nextstep_asm_out_constructor): New.
244 (nextstep_asm_out_destructor): New.
245 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
246 (ASM_OUTPUT_DESTRUCTOR): Remove.
247 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
248 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
249 ASM_OUTPUT_*STRUCTOR.
250 * config/i386/aix386ng.h: Likewise.
252 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
253 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
254 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
255 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
256 * config/lynx.h: Likewise.
257 * config/netware.h: Likewise.
258 * config/psos.h: Likewise.
259 * config/alpha/alpha-interix.h: Likewise.
260 * config/alpha/elf.h: Likewise.
261 * config/arc/arc.h: Likewise.
262 * config/arm/aof.h: Likewise.
263 * config/arm/coff.h: Likewise.
264 * config/arm/elf.h: Likewise.
265 * config/c4x/c4x.h: Likewise.
266 * config/h8300/h8300.h: Likewise.
267 * config/i386/cygwin.h: Likewise.
268 * config/i386/djgpp.h: Likewise.
269 * config/i386/i386-coff.h: Likewise.
270 * config/i386/i386-interix.h: Likewise.
271 * config/i386/sco5.h: Likewise.
272 * config/i386/vsta.h: Likewise.
273 * config/i386/win32.h: Likewise.
274 * config/i960/i960-coff.h: Likewise.
275 * config/ia64/sysv4.h: Likewise.
276 * config/m68hc11/m68hc11.h: Likewise.
277 * config/m68k/coff.h: Likewise.
278 * config/m68k/mot3300.h: Likewise.
279 * config/m88k/m88k.h: Likewise.
280 * config/mcore/mcore-pe.h: Likewise.
281 * config/mcore/mcore.h: Likewise.
282 * config/mips/elf.h: Likewise.
283 * config/mips/elf64.h: Likewise.
284 * config/mips/iris6.h: Likewise.
285 * config/pa/pa64-hpux.h: Likewise.
286 * config/rs6000/sysv4.h: Likewise.
287 * config/sh/sh.h: Likewise.
288 * config/sparc/litecoff.h: Likewise.
290 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
291 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
292 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
293 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
294 (ASM_OUTPUT_DESTRUCTOR): Remove.
295 * config/a29k/a29k.c: Move include of tree.h.
296 * config/a29k/udi.h: Delete file.
297 * config/alpha/alpha.c (vms_asm_out_constructor): New.
298 (vms_asm_out_destructor): New.
299 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
300 (EXTRA_SECTION_FUNCTIONS): Likewise.
301 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
302 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
303 * config/c4x/c4x.c: Move include of tree.h.
304 * config/clipper/clipper.c (clix_asm_out_constructor): New.
305 (clix_asm_out_destructor): New.
306 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
307 (ASM_OUTPUT_DESTRUCTOR): Remove.
308 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
309 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
310 (TARGET_ASM_CONSTRUCTOR): New.
311 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
312 (sco_asm_out_constructor): New.
313 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
314 * config/i386/svr3gas.h: Remove stack grows up code.
315 Remove code duplicated from i386/sysv3.h.
316 (TARGET_ASM_CONSTRUCTOR): New.
317 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
318 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
319 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
320 (TARGET_ASM_CONSTRUCTOR): New.
321 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
322 (m68hc11_asm_out_destructor): New.
323 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
324 (TARGET_ASM_DESTRUCTOR): New.
325 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
326 * config/m68k/dpx2.h: Properly undef all the bits inherited from
327 config/svr3.h pertaining to section manipulation.
328 * config/m68k/dpx2g.h: Remove #if 0 code.
329 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
330 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
331 (ASM_OUTPUT_CONSTRUCTOR): Remove.
332 (TARGET_ASM_CONSTRUCTOR): New.
333 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
334 (m88k_svr3_asm_out_constructor): New.
335 (m88k_svr3_asm_out_destructor): New.
336 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
337 (ASM_OUTPUT_DESTRUCTOR): Remove.
338 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
339 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
340 * config/rs6000/aix.h: Likewise.
341 * config/mips/rtems64.h: Don't undef removed constructor related bits.
342 * config/mips/vxworks.h: Likewise.
343 * config/rs6000/lynx.h: Likewise.
344 * config/sh/elf.h: Likewise.
345 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
346 (DTORS_SECTION_ASM_OP): New.
347 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
348 (ASM_OUTPUT_DESTRUCTOR): Remove.
349 * config/sparc/sol2-sld-64.h: Likewise.
350 * config/vax/vax.c (vms_asm_out_constructor): New.
351 (vms_asm_out_destructor): New.
352 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
353 (ASM_OUTPUT_DESTRUCTOR): Remove.
354 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
356 * doc/tm.texi (@node Initialization): Update.
358 2001-08-09 Richard Henderson <rth@redhat.com>
360 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
361 (__do_global_dtors_aux): Use gp-relative static data to avoid
362 one dynamic relocation.
363 (__do_frame_setup): Register Java classes.
364 * config/alpha/crtend.asm (__JCR_END__): New.
366 2001-08-09 Zack Weinberg <zackw@stanford.edu>
368 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
369 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
370 (GEN, STAGESTUFF): Add new files.
371 (insn-constants.h, s-constants, tm-preds.h, s-preds,
372 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
373 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
374 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
375 as well as insn-codes.h and insn-flags.h in config.h; and no
376 extra headers in tconfig.h and hconfig.h.
378 * gencodes.c: Eliminate code to generate predicate declarations
379 or #defines for md-file constants.
380 * genconstants.c, genpreds.c: New files.
382 * i386.md: Re-order guard expressions such that TARGET_64BIT
383 comes first, when this permits better optimization. Add
384 TARGET_64BIT to more x86-64 patterns. Add comment explaining
385 why this is desirable.
387 2001-08-09 Jakub Jelinek <jakub@redhat.com>
389 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
390 (find_fde_for_dso): Remove.
391 (_Unwind_IteratePhdrCallback): New.
392 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
393 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
395 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
397 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
398 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
400 2001-08-09 Graham Stott <grahams@redhat.com>
402 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
403 (vis_no_unit): Use it.
404 (visualize_no_unit): Add the insn only if room exists.
406 2001-08-09 Graham Stott <grahams@redhat.com>
408 * predict.c (estimate_probability): Replace magic numbers with
409 appropriate enumeration.
411 2001-08-09 Graham Stott <grahams@redhat.com>
413 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
415 (EXTRACT_FLAGS): Likewise.
417 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
419 * config/mips/mips.c (mips_legitimate_address_p): Check for
420 CONST_INT in last patch.
422 2001-08-08 Anthony Green <green@redhat.com>
424 * java/class.c (emit_register_classes): Use assemble_jcr if
425 possible. Keep the original mechanism as a fallback.
426 * defaults.h (JCR_SECTION_NAME): Define if we have named section
427 and weak symbol support.
428 * crtstuff.c (__JCR_LIST__): Define.
429 (__JCR_END__): Define.
430 (_Jv_RegiserClasses): Define weak symbol if possible.
431 (__do_global_ctors_aux): Register classes for ELF targets with
434 2001-08-08 Kazu Hirata <kazu@hxi.com>
436 * dbxout.c: Fix comment formatting.
437 * dependence.c: Likewise.
439 * diagnostic.c: Likewise.
440 * dominance.c: Likewise.
441 * doprint.c: Likewise.
442 * dwarf2out.c: Likewise.
443 * dwarfout.c: Likewise.
444 * emit-rtl.c: Likewise.
445 * except.c: Likewise.
446 * explow.c: Likewise.
447 * expmed.c: Likewise.
450 * fold-const.c: Likewise.
451 * function.c: Likewise.
453 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
455 * global.c (retry_global_alloc): Avoid shadowing allocno.
457 2001-08-08 Mark Mitchell <mark@codesourcery.com>
459 * except.c (remove_fixup_regions): Fix typo.
461 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
463 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
464 unsigned HOST_WIDE_INT to avoid warning.
465 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
466 * flow.c (set_block_for_new_insns): Likewise.
468 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
470 * sibcall.c (return_value_pseudo): New static variable.
471 (skip_copy_to_return_value): Handle return_value_pseudo.
472 (call_ends_block_p): Ensure that return_value_pseudo is set.
473 (optimize_sibling_and_tail_recursive_call): Discover the
474 load of pseudo return value in alternate exit block.
476 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
478 * calls.c (ECF_ALWAYS_RETURN): New constant.
479 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
480 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
481 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
482 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
483 * rtl.c (reg_note_name): New name.
484 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
486 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
488 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
490 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
492 * alias.c (get_alias_set): Return a previously calculated
493 alias set for a VAR_DECL.
494 * function.c (gen_mem_addressof): Calculate the alias set before
497 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
499 * predict.def: Set hitrates according our experimental run.
501 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
503 * i386.h (HARD_REGNO_RENAME_OK): New macro.
505 2001-08-08 H.J. Lu <hjl@gnu.org>
507 * config/mips/mips.c (mips_unique_section): New. Copied from
510 * config/mips/mips-protos.h (mips_unique_section): New
513 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
515 * config/mips/little.h: New. Generic little endian mips
516 targets. Only mips*-*-linux* is converted to use it so far.
518 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
519 (WCHAR_TYPE): Defined
520 (WCHAR_TYPE_SIZE): Likewise.
521 (INIT_SUBTARGET_OPTABS): Likewise.
522 (BSS_SECTION_ASM_OP): Likewise.
523 (SBSS_SECTION_ASM_OP): Likewise.
524 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
525 (ASM_DECLARE_OBJECT_NAME): Likewise.
526 (UNIQUE_SECTION): Likewise.
527 (EXTRA_SECTIONS): Likewise.
528 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
529 (ASM_OUTPUT_DESTRUCTOR): Likewise.
530 (ASM_OUTPUT_DEF): Likewise.
531 (HANDLE_SYSV_PRAGMA): Removed.
532 (NO_IMPLICIT_EXTERN_C): Likewise.
533 (TARGET_MEM_FUNCTIONS): Likewise.
534 (STARTFILE_SPEC): Likewise.
535 (ENDFILE_SPEC): Likewise.
536 (LIB_SPEC): Likewise.
537 (INVOKE__main): Likewise.
538 (CTOR_LIST_BEGIN): Likewise.
539 (CTOR_LIST_END): Likewise.
540 (DTOR_LIST_BEGIN): Likewise.
541 (DTOR_LIST_END): Likewise.
542 (SET_ASM_OP): Likewise.
543 (ASM_OUTPUT_SOURCE_LINE): Likewise.
544 (ASM_OUTPUT_DEF): Likewise.
545 (ASM_OUTPUT_IDENT): Likewise.
547 * config/mips/mips.h (ASM_SPEC): Undefine before define.
548 (CPLUSPLUS_CPP_SPEC): Likewise.
549 (ASM_APP_ON) Redefine only if not defined.
550 (ASM_APP_OFF): Likewise.
551 (ASM_OUTPUT_SOURCE_LINE): Likewise.
552 (ASM_OUTPUT_IDENT): Likewise.
554 * config.gcc: Update tm_file for Linux/mips.
556 2001-08-08 Bernd Schmidt <bernds@redhat.com>
558 * cselib.c (cselib_record_sets): If insn is predicated, turn
559 sources into IF_THEN_ELSEs.
561 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
562 Turn into define_insn_and_split.
564 * sched-deps.c: Include "cselib.h".
565 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
566 Use cselib to turn memory addresses into VALUEs.
567 (sched_analyze): Call cselib_init/cselib_finish if necessary.
568 * sched-int.h (struct sched_info): New member USE_CSELIB.
569 * sched-ebb.c (ebb_sched_info): Initialize it.
570 * sched-rgn.c (rgn_sched_info): Likewise.
571 * Makefile.in (sched-deps.o): Update dependencies.
573 * cselib.h (cselib_subst_to_values): Declare.
574 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
575 that have no value and autoincs to be handled by generating a new
578 2001-08-08 Graham Stott <grahams@redhat.com>
580 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
581 within fixed length SEQUENCE.
583 2001-08-08 Graham Stott <grahams@redhat.com>
585 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
586 (diagnostic_prefixing_rule): Likewise.
587 (diagnostic_line_cutoff): Likewise.
588 (diagnostic_kind_count): Likewise.
590 2001-08-08 Graham Stott <grahams@redhat.com>
592 * alias.c (find_base_decl): Delete redundent assignment.
594 2001-08-08 Graham Stott <grahams@redhat.com>
596 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
597 (abs): Uppercase and paranthesize macro parameter.
598 (MEM_DEPENDENCY): Add whitespace.
600 2001-08-08 Graham Stott <grahams@redhat.com>
602 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
603 failure check for CONST_INT
605 2001-08-08 Graham Stott <grahams@redhat.com>
607 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
608 (libcall_dead_p): Likewise.
610 (mark_used_regs): Constify fmt.
611 (find_use_as_address): Likewise.
613 2001-08-08 Graham Stott <grahams@redhat.com>
615 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
618 2001-08-08 Graham Stott <grahams@redhat.com>
620 * combine.c (combine_simplify_rtx): Update comment and
621 remove erroneous test.
623 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
625 * cppinit.c (cpp_finish): Pop the final buffer without comment.
626 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
627 take care to avoid multiple no-newline at EOF warnings in that
630 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
632 * calls.c (expand_call): Do not emit INSN_SETJMP note.
633 (emit_library_call_value_1): Likewise.
634 (emit_call_1): Emit REG_SETJMP note.
635 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
637 * cselib.c (cselib_process_insn): Likewise.
638 * flow.c (propagate_block): Likewise.
639 * loop.c (find_and_verify_loops): Likewise.
640 * reload.c (find_equiv_regs): Likewise.
641 * reload1.c (reload): Likewise.
642 * resource.c (mark_referenced_resources,
643 mark_set_resources): Likewise.
644 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
645 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
646 * haifa-sched.c (unlink_other_notes): Likewise.
647 (reemit_notes): Likewise.
648 * sched-ebb.c (sched_ebb): Likewise.
649 * sched-rgc.c (sched_region): Likewise.
650 * rtl.c (note_insn_name): Likewise.
651 (reg_note_name): Add REG_SETJMP
652 * rtl.h (reg_note): Add REG_SETJMP.
653 (insn_note): Remove NOTE_INSN_SETJMP.
655 * profile.c (branch_prob): Add fake edges for setjmp.
657 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
659 * config.gcc: Quote target_cpu_default2 correctly for
660 powerpc*-*-* targets.
662 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
664 * cpplib.h, line-map.h: Update comments.
665 * cppmain.c (printer_init): Move inline.
666 (maybe_print_line, print_line): Take a map pointer.
667 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
668 (cb_file_change): Don't use prior value of print.map.
670 2001-08-07 David Edelsohn <edelsohn@gnu.org>
672 * doc/install.texi: Document fine-grained multilib configuration.
674 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
676 * rtlanal.c (find_first_parameter_load): Call note_stores
677 only on the instructions.
679 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
681 * alias.c (nonlocal_mentioned_p):
682 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
683 * calls.c (emit_call_1): Likewise.
684 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
685 * cselib.c (cselib_process_insn): Likewise.
686 * df.c (df_insns_modify): Likewise.
687 * flow.c (need_fake_edge_p): Likewise.
688 (propagate_one_insn): Likewise.
689 * haifa-sched.c (reemit_notes): Likewise.
690 * integrate.c (copy_insn_list): Likewise.
691 * jump.c (delete_prior_computation): Likewise.
692 * local-alloc.c (validate_equiv_mem): Likewise.
693 * loop.c (scan_loop): Likewise.
694 * predict.c (estimate_probability): Likewise.
695 * reload.c (reload): Likewise.
696 * sched-deps (sched_analyze): Likewise.
697 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
698 * gcse.c (compute_hash_table): Likewise.
699 (mark_call): Likewise.
700 (store_killed_in_insn): Likewise.
702 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
704 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
706 2001-08-06 Richard Henderson <rth@redhat.com>
708 * varasm.c (assemble_gc_entry): Remove.
709 * output.h: Likewise.
711 2001-08-06 Richard Henderson <rth@redhat.com>
713 * varasm.c (assemble_constructor): Take a symbol_ref and a
714 priority instead of a bare string. Move priority handling
715 here from cp/decl2.c.
716 * output.h: Update decls.
718 * c-decl.c (c_expand_body): Update calls to assemble_constructor
719 and assemble_destructor.
720 * profile.c (output_func_start_profiler): Likewise.
721 * objc/objc-act.c (finish_objc): Likewise.
722 (build_module_descriptor): Return the symbol not the symbol name.
724 2001-08-06 David Edelsohn <edelsohn@gnu.org>
726 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
727 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
728 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
729 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
730 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
731 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
733 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
735 * cpperror.c (print_containing_files): Moved to line-map.c.
736 (print_location): line-map.c handles re-listing or otherwise.
737 * cpphash.h (struct lexer_state): Remove next_bol.
738 (struct cpp_buffer): Remove include_stack_listed.
739 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
740 Remove faked buffer handling.
741 (_cpp_do_file_change): Tweak.
742 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
743 * cppmain.c (struct printer): Remove filename.
744 (print_line, cb_file_change): Update accordingly.
745 * line-map.c: Include intl.h.
746 (init_line_maps): Initialize last_listed.
747 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
748 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
749 (print_containing_files): New.
750 * line-map.h (struct line_maps): New member last_listed.
751 (print_containing_files, INCLUDED_FROM): New.
752 * Makefile.in: Update.
753 * po/POTFILES.in: Add line-map.c.
755 2001-08-06 Richard Henderson <rth@redhat.com>
757 * except.c (convert_from_eh_region_ranges_1): Never mark
758 USE or CLOBBER insns as throwing.
760 * expr.c (store_constructor): Don't clobber memory targets.
762 2001-08-06 Andreas Jaeger <aj@suse.de>
764 * profile.c (branch_prob): Remove unused variable insn.
766 * Makefile.in (local-alloc.o): Add dependency on except.h.
768 * local-alloc.c: Include except.h for can_throw_internal prototype.
770 2001-08-06 Richard Henderson <rth@redhat.com>
772 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
773 * function.c (expand_main_function): Implement it.
774 * doc/tm.texi: Document it.
776 2001-08-06 Stan Shebs <shebs@apple.com>
778 * doc/install.texi: Document powerpc-*-darwin* details.
780 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
782 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
783 (ASM_CPU_SPEC): Move back to rs6000.h
784 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
786 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
788 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
791 * config/rs6000/linux64.h: Ditto.
793 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
794 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
797 Remove accidently readded definitions of FUNCTION_PROLOGUE,
798 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
800 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
803 2001-08-05 Richard Henderson <rth@redhat.com>
805 * local-alloc.c (update_equiv_regs): Do not move insns that
808 2001-08-05 Jan Hubicka <jh@suse.cz>
810 * Makefile.in (reload1.o): Add dedendancy on except.h
811 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
813 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
814 indicating wehther edges has been cleaned up.
815 * reload1.c: Inlucde except.h
816 (fixup_abnormal_edges): Accept deleted insns.
817 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
820 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
822 * cpplib.c (do_line): Correct line number after pop_buffer.
824 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
827 * line-map.c: Update comments.
828 * line-map.h: Update comments.
829 * tradcif.y: Don't consider large numbers unsigned.
831 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
834 * c-lex.c (map): New.
835 (cb_file_change): Update map and use it.
836 (cb_def_pragma, cb_define, cb_undef): Use map and line.
837 (c_lex): Update to use map.
838 * cpperror.c (print_location): Move to using logical line numbers.
839 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
840 (cpp_make_system_header): Similarly.
841 (_cpp_execute_include): Stop line numbering hacks. Store the
842 line we will return to.
843 * cpphash.h (CPP_BUF_LINE): Remove.
844 (struct cpp_buffer): Remove lineno and pseudo_newlines.
845 Add map and return_to_line.
846 (_cpp_do_file_change): Update.
847 * cppinit.c (cpp_start_read): Update line kludge.
848 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
849 (trigraph_ok): Use logical line numbers for diagnostics.
850 (skip_block_comment): Likewise.
851 (skip_whitespace): Likewise.
852 (skip_line_comment): Use pfile->line instead.
853 (_cpp_lex_token): Update to use logical line numbering exclusively.
854 Handle BOL locally. Accept new lines in directives, but keep
855 pfile->line decremented. Diagnostics use logical lines. Update
857 * cpplib.c (SEEN_EOL): New.
858 (skip_rest_of_line, check_eol): Use it.
859 (end_directive): Increase line number when accepting the newline
860 at the end of a directive.
861 (run_directive): Simplify.
862 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
863 (_cpp_do_file_change): Update to take buffer line number as an
864 argument, and store the current map in the cpp_reader. Remove
866 (_cpp_do__Pragma): Restore output position after a _Pragma.
867 (cpp_push_buffer): Don't set output line or lineno.
868 (_cpp_pop_buffer): Transfer more info from a faked buffer.
869 Remove line kludge. Set output_line.
870 * cppmacro.c (builtin_macro): Update handling of __LINE__.
871 (parse_arg): Use logical lines.
872 (save_lookahead_token): Save EOFs too now.
873 * cppmain.c (struct printer): Fix comments.
874 (printer_init): Simplify, let caller do errors.
875 (scan_translation_unit, check_multiline_token, dump_macro): Update.
876 (maybe_print_line): Simplify.
877 (print_line): Don't print a linemarker if -P.
878 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
879 (cb_file_change): Simplify.
880 * line-map.h (LAST_SOURCE_LINE): Fix.
881 (CURRENT_LINE_MAP): New.
883 2001-08-05 Bernd Schmidt <bernds@redhat.com>
885 * doloop.c (doloop_modify_runtime): Properly compute number of
886 iterations if loop was unrolled.
888 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
889 if their CSELIB_VAL_PTRs are.
891 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
892 (setup_spill_pointers): Initialize it.
893 (spill_restore_mem): Set it.
894 (do_spill, do_restore): Use it to add REG_INC note.
895 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
897 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
898 asms if other insns are available.
900 * config/ia64/ia64.c (condop_operator): New predicate.
901 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
902 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
905 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
906 temporary register than directly using a MEM.
908 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
910 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
911 parameter in last change.
913 2001-08-04 Zack Weinberg <zackw@panix.com>
915 * sparc.md: Don't use #if inside C test expression.
917 2001-08-04 Richard Henderson <rth@redhat.com>
919 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
921 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
923 * cpphash.h (struct cpp_reader): New member directive_line.
924 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
925 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
926 do_pragma): Pass line to callbacks.
927 (start_directive): Record line of directive.
928 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
929 cb_include): Similarly.
930 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
933 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
935 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
938 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
940 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
942 * reload1.c (fixup_abnormal_edges): New static function.
945 * flow.c (need_fake_edge_p): New function.
946 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
947 avoid call insn to be very last insn in the insn stream.
949 * profile.c (branch_prob): Call flow_call_edges_add instead of
950 doing that by hand; cleanup cfg to re-merge basic blocks once
953 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
955 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
956 are also on line-map.h.
957 * cppfiles.c (stack_include_file): Update.
958 * cpphash.h (struct cpp_buffer): New member return_at_eof.
959 (_cpp_pop_buffer): New.
960 * cppinit.c (cpp_destroy, cpp_finish): Update.
961 (do_includes): Mark each buffer to return at EOF.
962 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
964 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
965 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
966 * cpplib.h (cpp_pop_buffer): Remove.
967 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
968 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
970 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
972 (do_preprocessing): Update.
973 * fix-header.c (read_scan_file): Update. No need to pop buffers.
974 * c-parse.in (_yylex): Similarly.
975 * scan-decls.c (scan_decls): Similarly.
976 * line-map.h: Update comments.
978 * objc/Make-lang.in (objc-act.o): Update dependencies.
980 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
982 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
983 and soft register for operand 0.
984 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
986 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
988 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
989 register for operand 0.
990 ("bitcmpqi_z_used"): Allow memory for operand 0.
991 (split "bitcmpqi"): New split to handle address reg as operand 1.
993 2001-08-04 Andreas Jaeger <aj@suse.de>
995 * gcse.c: Revert Daniel's last patch.
997 2001-08-03 Zack Weinberg <zackw@stanford.edu>
999 * sparc-protos.h: Add prototypes for fp_zero_operand and
1001 * sh-protos.h: Add prototype for fpul_operand.
1003 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1005 * doc/extend.texi (Other Builtins): Fix typo in last change.
1007 2001-08-03 Richard Henderson <rth@redhat.com>
1009 * target.h (gcc_target): Add asm_out.named_section,
1010 section_type_flags, have_named_sections.
1011 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1012 (TARGET_HAVE_NAMED_SECTIONS): New.
1013 (TARGET_SECTION_TYPE_FLAGS): New.
1015 * Makefile.in (toplev.o): Depend on TARGET_H.
1016 (varasm.o, dbxout.o): Likewise.
1017 * c-common.c (decl_attributes): Check targetm.have_named_sections
1018 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1019 * dbxout.c (dbxout_function_decl): Likewise.
1020 (dbxout_function_end): Likewise.
1021 * toplev.c (compile_file): Likewise.
1022 * varasm.c (exception_section): Likewise.
1023 * cp/decl2.c (finish_objects): Likewise.
1025 * defaults.h (EH_FRAME_SECTION): Remove.
1026 (EH_FRAME_SECTION_ASM_OP): Remove.
1027 (EH_FRAME_SECTION_NAME): New.
1028 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1029 (UNIQUE_SECTION_P): Remove.
1030 * dwarf2out.c (SECTION_FORMAT): Remove.
1031 (ASM_OUTPUT_SECTION): Remove.
1032 (output_call_frame_info): Use named_section_flags.
1033 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1034 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1035 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1036 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1037 (named_section_flags): New.
1038 (named_section): Use it and targetm.section_type_flags.
1039 (resolve_unique_section): New.
1040 (assemble_start_function): Use it.
1041 (asm_emit_uninitialised, assemble_variable): Likewise.
1042 (default_section_type_flags): New.
1043 (default_no_named_section, default_elf_asm_named_section): New.
1044 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1045 * output.h: Update varasm.c decls.
1046 (SECTION_*): New flags.
1048 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1049 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1051 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1052 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1053 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1054 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1055 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1056 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1057 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1058 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1059 * config/pa/pa64-hpux.h,
1061 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1062 (TARGET_ASM_NAMED_SECTION): New.
1063 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1064 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1065 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1066 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1067 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1068 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1069 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1070 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1071 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1072 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1073 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1074 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1075 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1076 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1077 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1078 * config/sparc/sysv4.h: Likewise.
1080 * config/nextstep.h: Error until named sections implemented.
1082 * config/a29k/a29k.c (a29k_asm_named_section): New.
1083 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1084 (vms_section_type_flags, vms_asm_named_section): New.
1085 * config/arm/arm.c (arm_elf_asm_named_section): New.
1086 * config/avr/avr.c (asm_output_section_name): Remove.
1087 * config/avr/avr-protos.h: Update.
1088 * config/c4x/c4x.c (c4x_asm_named_section): New.
1089 * config/h8300/h8300.c (h8300_asm_named_section): New.
1090 * config/i386/i386.c (sco_asm_named_section): New.
1091 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1092 (i386_pe_section_type_flags): New.
1093 (i386_pe_asm_named_section): New.
1094 * config/i386/i386-protos.h: Update.
1095 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1096 * config/mcore/mcore.c (mcore_asm_named_section): New.
1097 * config/mips/mips.c (iris6_asm_named_section): New.
1098 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1099 instead of UNIQUE_SECTION_P.
1100 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1101 (xcoff_asm_named_section): New.
1102 * config/sh/sh.c (sh_asm_named_section): New.
1103 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1105 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1106 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1107 (EH_FRAME_SECTION_NAME): New.
1108 (EXCEPTION_SECTION): New.
1109 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1110 (DEBUG_*_SECTION): Remove.
1111 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1112 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1113 (EH_FRAME_SECTION_ASM_OP): Remove.
1115 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1116 (ASM_OUTPUT_SECTION_NAME): Remove.
1117 (TARGET_ASM_NAMED_SECTION): New.
1118 (TARGET_HAVE_NAMED_SECTIONS): New.
1119 (TARGET_SECTION_TYPE_FLAGS): New.
1120 (EH_FRAME_SECTION_ASM_OP): Remove.
1121 (EH_FRAME_SECTION_NAME): New.
1123 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1125 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1126 for complex expressions when cfun == 0.
1127 * doc/extend.texi: Document that __builtin_constant_p can be
1128 used in data initializers as well as functions.
1130 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1132 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1133 variable I locally, instead of expecting a declaration in the
1136 2001-08-03 Richard Henderson <rth@redhat.com>
1138 * except.c (collect_one_action_chain): Add an explicit cleanup
1139 action if regions surrounding a catch were encoded entirely
1140 within the call-site entry.
1142 2001-08-03 Richard Henderson <rth@redhat.com>
1144 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1145 don't take REGNO of a non-register.
1147 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1149 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1150 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1151 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1152 (__gthread_mutex_init_function): New function for mutex initialization.
1154 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1156 * Makefile.in: Revert screwed up commit.
1158 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1160 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1161 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1162 merged by linker script to get a final _exit().
1163 (__do_global_dtors): New for destructor handling in specific exit
1165 (__do_global_ctors): New for constructors in specific install section.
1166 (__map_data_section): Map data sections before running constructors.
1167 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1168 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1169 (DTORS_SECTION_ASM_OP): Likewise.
1170 (CTORS_SECTION_FUNCTION): Define to force a reference to
1172 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1174 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1176 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1178 * Makefile.in: Add df.h to gcse.c dependencies.
1180 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1182 * varasm.c (output_constant_def_contents): Use for the length of a
1183 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1184 depending on which is larger.
1186 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1188 * gcse.c: Include df.h for use as a dataflow analyzer.
1190 Declaration of reg_set_info: gone.
1191 New df_analyzer variable used by store motion.
1192 (reg_set_info): Deleted.
1193 (mark_mem_regs): New function, analyze regs used by a mem.
1194 (store_ops_ok): Use dataflow analyzer results to determine if
1195 necessary regs are changed in the block.
1196 (find_moveable_store): Remove check for symbol ref, we can handle
1197 much more complex expressions now.
1198 (compute_store_table): Remove most of the code, it's unnecessary
1199 now that the dataflow analyzer records the info for us.
1200 (store_killed_after): Add parameter to say whether to do the
1201 store_ops_okay test, used to speed up testing when we already know
1202 the answer, and just want to know if the store itself was killed.
1203 (build_store_vector): Largely rewritten to calculate the various
1204 vectors properly, and somewhat optimized.
1205 (store_motion): Init the df_analyzer, get REG_DEF chains.
1206 Also handle trapping expressions (since mems almost always trap)
1207 (simple_mem): Redefine what a simple mem is.
1209 2001-08-03 DJ Delorie <dj@redhat.com>
1211 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1212 set from a constant part of the condition.
1214 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1216 * mkdeps.c (deps_add_default_target): Make local variable
1217 ``start'' a const char pointer.
1218 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1220 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1222 * doc/install.texi (Configuration): Fix markup.
1223 (Specific, i?86-*-udk): Likewise.
1224 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1226 Document --enable-threads and --enable-libgcj status.
1227 (Specific, mips-sgi-irix*): Canonicalize triples.
1228 (Specific, mips-sgi-irix5): Warn about problems with this config.
1229 Mention required GNU as patch.
1230 Native assembler problems are fixed.
1231 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1232 Document --enable-threads and --enable-libgcj status.
1234 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1236 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1239 2001-08-03 Richard Henderson <rth@redhat.com>
1241 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1244 2001-08-03 Richard Henderson <rth@redhat.com>
1246 * rtlanal.c (find_first_parameter_load): Stop if we
1247 reach a CODE_LABEL at BOUNDARY.
1249 2001-08-03 Richard Henderson <rth@redhat.com>
1251 * config/alpha/alpha.md (force_movdi): New insn.
1252 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1253 Tweek FRP marking of VMS prologue insns.
1254 * config/alpha/vms.h (EPILOGUE_USES): New.
1256 2001-08-02 Richard Henderson <rth@redhat.com>
1258 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1260 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1262 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1263 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1264 config/convex/convex.h, config/d30v/d30v.c,
1265 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1266 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1267 config/mips/mips.h, config/mn10200/mn10200.h,
1268 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1269 config/v850/v850.h, config/vax/openbsd.h,
1270 config/vax/openbsd1.h, config/vax/ultrix.h,
1271 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1272 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1273 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1274 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1275 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1276 in comments and documentation.
1278 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1282 * Makefile.in (line-map.o): New.
1283 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1284 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1285 * cpperror.c (print_containing_files): Similarly.
1286 (print_location): Update. Don't output a space before _Pragma.
1287 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1288 (stack_include_filee, cpp_make_system_header): Update.
1289 (_cpp_execute_include): Get logical line number right for calling
1290 as-yet-unterminated #include.
1291 * cpphash.h (struct cpp_reader): Add line_maps.
1292 (_cpp_do_file_change): Update.
1293 * cppinit.c (cpp_create_reader): Initialize line maps.
1294 (cpp_destroy): Destroy line maps.
1295 (cpp_start_read): Get logical line number right.
1296 * cpplex.c (parse_string): Only warn once for multi-line strings.
1297 Use boolean variable for null warning.
1298 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1300 (do_include_common): End the directive early.
1301 (do_line): Don't warn about out-of-range lines in preprocessed
1302 source. Update. Remove unused variables.
1303 (_cpp_do_file_change): Update for new line mapping.
1304 (pragma_cb): New typedef.
1305 (cpp_register_pragma): Stop looking ahead before calling the
1307 (do_pragma_system_header): End directive early.
1308 (cpp_get_line_maps): New.
1309 (cpp_pop_buffer): Fudge logical line. Update.
1310 * cpplib.h: Include line-map.h
1311 (enum cpp_fc_reason): Remove.
1312 (struct cpp_file_change): Update.
1313 (cpp_get_line_maps): New.
1314 * cppmain.c (struct_printer): New member map.
1315 (cb_file_change): Update for new mappings.
1316 * fix-header.c (cb_file_change): Similarly.
1318 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1320 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1321 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1323 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1325 * config/vax/vax.c: include expr.h.
1327 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1329 * Makefile.in ($(srcdir)/configure): Only rebuild in
1331 ($(srcdir)/config.in): Only define in maintainer mode.
1332 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1334 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1336 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1338 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1340 * gcc.c (set_collect_gcc_options): New function, split out from
1342 Ignore elided switches.
1343 (do_spec_1): Invoke before executing command.
1344 (set_input): Export.
1345 Move declaration ...
1346 * gcc.h (set_input): ... here.
1347 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1350 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1353 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1355 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1357 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1359 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1360 for the unnamed instructions it expands to.
1362 2001-08-02 Richard Henderson <rth@redhat.com>
1364 * regclass.c (call_really_used_regs): Conditionally define.
1365 (init_reg_sets_1): Don't use it if not defined.
1366 (fix_register): Similarly, don't set it.
1368 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1370 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1371 Correct comment that had been missed in the previous change.
1373 2001-08-01 Stan Shebs <shebs@apple.com>
1375 * config/darwin.c (machopic_stub_name): Try matching by name.
1376 (update_stubs): New function.
1377 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1380 2001-08-01 Richard Henderson <rth@redhat.com>
1382 * except.c (output_function_exception_table): Use assemble_align.
1383 * varasm.c (assemble_eh_label): Remove.
1384 (assemble_eh_align, assemble_eh_integer): Remove.
1386 2001-08-01 Robert Lipe <robertl@caldera.com>
1388 * dwarfout.c: Remove reference to README.DWARF.
1390 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1392 * regclass.c (call_really_used_regs): New array for registers which
1393 are actually used by a call.
1394 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1396 (fix_register): Set call_really_used too.
1397 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1398 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1400 2001-08-01 Richard Henderson <rth@redhat.com>
1402 * read-rtl.c (read_name): Consider \r whitespace.
1404 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1406 * config.gcc: Recognize powerpc-*-netbsd*.
1408 * doc/install.texi (Host/target specific installation notes for
1409 GCC): Mention powerpc-*-netbsd*.
1411 * config/rs6000/netbsd.h: New file.
1412 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1413 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1414 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1415 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1416 (TARGET_VERSION): Redefine.
1418 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1419 mcall-netbsd as a match for mcall-sysv.
1420 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1421 (ncrti.S, ncrtn.S): New targets.
1422 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1424 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1425 "netbsd' as a V4 ABI.
1426 (ASM_SPEC): Check for -mcall-netbsd.
1427 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1428 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1429 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1430 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1431 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1432 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1433 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1435 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1436 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1438 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1440 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1441 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1442 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1443 including "unwind-pe.h".
1445 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1447 * rs6000.md (define_splits): Kill unused constraints.
1449 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1450 Jan Hubicka <jh@suse.cz>
1452 * function.c (thread_prologue_and_epilogue_insns): Kill code
1453 dealing with non-existent CFG.
1455 2001-08-01 Kazu Hirata <kazu@hxi.com>
1457 * alias.c: Fix comment formatting.
1458 * bitmap.c: Likewise.
1459 * builtins.c: Likewise.
1460 * calls.c: Likewise.
1461 * c-common.c: Likewise.
1462 * c-decl.c: Likewise.
1463 * c-dump.c: Likewise.
1464 * c-lex.c: Likewise.
1465 * collect2.c: Likewise.
1466 * combine.c: Likewise.
1467 * conflict.c: Likewise.
1468 * cppfiles.c: Likewise.
1469 * cppinit.c: Likewise.
1470 * cpplex.c: Likewise.
1471 * cpplib.c: Likewise.
1472 * cppmacro.c: Likewise.
1473 * cppspec.c: Likewise.
1474 * c-pragma.c: Likewise.
1475 * crtstuff.c: Likewise.
1477 * cselib.c: Likewise.
1478 * c-semantics.c: Likewise.
1479 * c-typeck.c: Likewise.
1481 2001-08-01 H.J. Lu <hjl@gnu.org>
1483 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1485 2001-08-01 H.J. Lu <hjl@gnu.org>
1487 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1489 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1491 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1492 contextualizing Objective-C class name lookup by the lexer.
1493 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1495 (protocoldef): Add support for forward @protocol declarations.
1496 (yylexname): Suppress ObjC class name lookup in certain contexts;
1497 re-enable after lookup is complete.
1498 (_yylex): Re-enable ObjC class name lookup when certain
1499 punctuation marks are seen.
1501 * objc/objc-act.c (check_protocol_recursively): New function used
1502 for finding circular dependencies in protocols.
1503 (objc_declare_protocols): New function for handling forward
1504 @protocol declarations.
1505 (receiver_is_class_object): Detect the case when 'self' is used
1506 inside of a class method.
1507 (build_message_expr): Issue a warning if class method is desired
1508 but instance method is found instead.
1509 (conforms_to_protocol): Streamline.
1510 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1511 protocol Foo, even if 'Bar foo' does not.
1512 (check_protocols): Streamline.
1513 (start_protocol): Add checks for circular and duplicate protocol
1515 (encode_aggregate_within): For typedefs of structs, encode the
1517 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1518 (objc_declare_protocols): New prototype.
1520 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1522 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1523 * cpplex.c (handle_newline): Update prototype. Maintain logical
1525 (skip_escaped_newlines, skip_block_comment, parse_string):
1527 (_cpp_lex_token): Update, and store token position within the token.
1528 * cpplib.h (struct cpp_token): Add line and column entries.
1529 * cppmacro.c (replace_args): Position stringified tokens correctly.
1531 2001-08-01 Andreas Jaeger <aj@suse.de>
1533 * basic-block.h: Add prototype for last_loop_beg_note.
1535 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1537 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1538 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1540 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1541 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1542 expand_decl_cleanup.
1543 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1545 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1546 operand while calling simple_cst_equal.
1547 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1548 operand is the cleanup expression, the third is the RTL_EXPR.
1549 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1551 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1553 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1555 2001-07-31 matthew green <mrg@eterna.com.au>
1557 * config.gcc (i386-*-netbsdelf): New description.
1558 * config/i386/netbsd-elf.h: New file.
1560 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1562 * loop.c (check_dbra_loop): Use single_set to compute
1565 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1567 PowerPC reorg and support for powerpc64-*-linux*.
1569 Also fixes emitting of constants on 32 bit and 64 bit
1572 * config.gcc: powerpc64-*-linux* is a new target.
1573 Things that needed aix.h now also include xcoff.h
1575 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1577 Move AIX specific stuff into aix.h.
1578 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1579 with more than just XCOFF now.
1580 (SET_ASM_OP): Remove, now defined where needed.
1581 (FUNCTION_PROLOGUE): New macro definition.
1582 (FUNCTION_EPILOGUE): New macro definition.
1583 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1585 * config/rs6000/xcoff.h: New file.
1587 * config/rs6000/linux64.h: New file.
1589 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1591 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1593 * rs6000.c (print_operand_address): Handle ELF syntax.
1594 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1595 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1596 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1598 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1600 * rs6000.c (rs6000_override_options): Only disable
1601 flag_function_sections for XCOFF.
1602 (exact_log2_cint_operand): New predicate.
1603 (reg_or_{add,sub}_cint64_operand): New predicates.
1604 (add_operand): Compare CONST_INT with fewer function calls.
1605 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1606 (print_operand, case 'p'): Ensure positive operand.
1607 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1608 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1609 (PREDICATE_CODES): Add new predicates.
1610 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1611 (divsi3, modsi3): Ensure positive power-of-2.
1612 (adddi3): Use new predicate. Split 32-bit constants more
1613 correctly. Re-arrange splitter to handle any constant.
1614 (subdi3): Use new predicate.
1615 (divdi3, moddi3): Ensure positive power-of-2.
1616 (movdi): Use rs6000_emit_set_const.
1617 (load_toc_v4_pic_di): Delete.
1619 2001-07-31 Graham Stott <grahams@redhat.com>
1621 * function.c (pad_below): Revert 2001-07-26 patch.
1623 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1625 * reg-stack (convert_regs_1): Fix best edge condition.
1627 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1629 * jump.c (duplicate_loop_exit_test): Better test for jumps
1630 entering the loop; create loop pre_header.
1632 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1634 * doc/install.texi: Add s390 and s390x as new targets.
1635 * doc/invoke.texi: Add documantation of S/390 and zSeries
1637 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1639 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1641 * config/m68k/m68k.md: Replace all general_operand with
1642 nonimmediate_operand for all destinations.
1643 * config/m68k/m68k.c (not_sp_operand): Likewise.
1645 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1647 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1649 2001-07-30 Richard Henderson <rth@redhat.com>
1651 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1652 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1654 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1656 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1657 Add missing doc strings
1658 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1659 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1661 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1663 * i386.c (ix86_output_main_function_alignment_hack): New function.
1664 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1666 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1667 edges by EDGE_DFS_BACK flag.
1668 (dump_edge_info): Add dfs_back flag.
1669 * basic-block.h (EDGE_DFS_BACK): New constant.
1670 (mark_dfs_back_edges): Declare.
1671 * alias.c (loop_p): Remove.
1672 (mark_constant_function): Use mark_dfs_back_edges.
1674 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1675 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1676 (compensate_edge): Break out from ...
1677 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1678 (convert_regs_2): Set block_done once block is really done;
1679 Do updating of the predecesors counts.
1681 * toplev.c (rest_of_compilation): Recompute block_for_insn
1682 before post-reload cfg_cleanup.
1683 * function.c (thread_prologue_epilogue_insns):
1684 Call set_block_for_new_insns when emitting prologue directly.
1686 2001-07-30 Andreas Jaeger <aj@suse.de>
1688 * jump.c: Add prototype for mark_modified_reg.
1690 * cse.c (set_live_p): Add unused attribute.
1692 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1694 (scan_for_source_files): Use long for count to avoid overflow.
1695 (output_data): Likewise.
1696 (output_data): Don't use string concatatenation to silence gcc
1699 * predict.c: Fix typos and grammar.
1701 * gcse.c (insert_insn_end_bb): Remove unused variables.
1703 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1705 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1706 (attempt_auto_inc): LIkewise.
1707 (mark_used_reg): Likewise.
1708 (try_pre_increment_1): Likewise.
1709 * regclass.c (regclass): Likewise.
1710 * global.c (allocno_compare): Update comment; change scaling factor.
1711 * local-alloc.c (QTY_CMP_PRI): Likewise.
1712 * regs.h (REG_FREQ_FROM_BB): New.
1713 (REG_FREQ_MAX): Likewise.
1715 2001-07-30 H.J. Lu <hjl@gnu.org>
1717 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1720 2001-07-30 H.J. Lu (hjl@gnu.org)
1722 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1723 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1724 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1726 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1728 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1729 as -mthumb-interwork when -mcpu=arm7 is specified.
1731 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1733 * predict.def (noreturn, loop branch, loop exit): Mark as first
1736 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1738 * combine.c (try_combine): Avoid barrier after noop jumps.
1740 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1742 * cpphash.h (struct cpp_reader): Remove import_warning.
1743 * cpplib.c (skip_rest_of_line): Don't bother turning off
1745 (parse_include): Move include handling to...
1746 (do_include_common): ... here. Move import warning from...
1747 (do_import): ... here.
1748 (do_pragma_poison): Don't do a callback for poison identifiers.
1749 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1750 * cppmain.c (setup_callbacks): Similarly.
1752 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1754 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1755 handle multiple sets.
1756 * except.c (sjlj_mark_call_sites): .... here.
1757 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1759 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1761 Suggested by Richard Henderson and Richard Kenner:
1762 * combine.c (recog_for_combine): Use the fake recog
1763 only if instruction does not match.
1764 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1765 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1767 * combine.c (try_combine): Discover noop jump as direct jump.
1769 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1771 * df.c (df_rd_global_compute): Add successors to worklist, not
1773 (df_ru_global_compute): Ditto.
1775 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1777 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1778 increment REG_N_SETS.
1780 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1782 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1784 * sbitmap.c (sbitmap_a_xor_b): New function.
1785 ifdef the basic block stuff on IN_GCC.
1787 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1789 * cppexp.c (parse_defined): Always record the macro name.
1790 (lex): Don't worry about identifiers, or special-case
1792 (_cpp_parse_expr): Figure out at the end of the routine
1793 whether we saw a valid !defined() expression.
1794 * cppfiles.c (stack_include_file): Update for mi_valid.
1795 (_cpp_pop_file_buffer): Similarly.
1796 * cpplex.c (_cpp_lex_token): Similarly.
1797 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1798 mi_if_not_defined, mi_lexed): Remove.
1800 * cpplib.c (do_if): Simplify.
1801 (do_endif, push_conditional, _cpp_handle_directive): Update
1802 for renaming of mi_state to mi_valid.
1804 * cpp.texi: Add index entries for digraphs, and add comment
1805 that C++ refers to them as alternative tokens.
1807 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1809 * basic-block.h (CLEANUP_PRE_LOOP): New.
1810 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1811 * sibcall.c (optimize_sibling_calls): Likewise.
1812 * toplev.c (rest_of_compilation): Likewise.
1813 * flow.c (try_forward_edges): Take argument MODE;
1814 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1815 (try_optimize_cfg): Update call of try_forward_edges.
1817 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1818 Jan Hubicka <jh@suse.cz>
1820 * (validate_replace_rtx_1): Fix simplification of MINUS.
1822 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1824 PR preprocessor/3669
1825 * cppinit.c (init_dependency_output): Turn off dump requests
1826 if sending dependencies to stdout.
1828 2001-07-28 Richard Henderson <rth@redhat.com>
1830 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1833 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1835 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1837 2001-07-28 Kazu Hirata <kazu@hxi.com>
1839 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1840 is VAR_DECL first to prevent an ICE.
1842 2001-07-28 Richard Henderson <rth@redhat.com>
1844 * varasm.c (immed_real_const_1): Don't elide special cases for
1846 (clear_const_double_mem): Clear const_tiny_rtx too.
1848 2001-07-28 Richard Henderson <rth@redhat.com>
1850 * dwarf2out.c (dw_val_class_offset): New.
1851 (struct dw_ranges_struct, dw_ranges_ref): New.
1852 (ranges_table, ranges_table_allocated): New.
1853 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1854 (add_AT_offset, add_ranges, output_ranges): New.
1855 (print_die, output_die): Handle dw_val_class_offset.
1856 (attr_checksum, size_of_die, value_format): Likewise.
1857 (gen_lexical_block_die): Handle non-contiguous blocks.
1858 (gen_block_die): Likewise.
1859 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1860 if needed. Dump the ranges table.
1861 * final.c (final_start_function): Remove unnecessary notes and
1862 rebuild the block tree before numbering the blocks.
1863 * function.c (reorder_blocks_0): Walk the existing block tree
1864 to unmark all blocks.
1865 (reorder_blocks_1): Create block fragments when duplicate block
1867 (reorder_fix_fragments): New.
1868 (reorder_blocks): Call it.
1869 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1871 2001-07-28 Richard Henderson <rth@redhat.com>
1873 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1875 2001-07-28 Richard Henderson <rth@redhat.com>
1877 * flow.c (add_to_mem_set_list): New function.
1878 (init_propagate_block_info): Use it.
1879 (mark_set_1): Likewise.
1880 (insn_dead_p): Canonicalize memory address for dead store
1881 comparison. Allow wider mode stores to kill narrower mode stores.
1882 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1883 (invalidate_mems_from_set): Don't handle MEMs.
1885 2001-07-28 Kazu Hirata <kazu@hxi.com>
1887 * config/h8300/h8300.h: Fix formatting.
1889 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1891 * basic-block.h (EDGE_FREQUENCY): New macro.
1892 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1894 * flow.c (find_sub_basic_blocks): Likewise.
1895 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1896 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1898 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1899 (HITRATE): New macro.
1900 (PRED_FLAG_FIRST_MATCH): New constant.
1901 (predictor_info): New field flgags.
1902 (combine_predictions_for_insn): Use DS theory to combine
1903 probabilities; set the edge probabilities when finished.
1904 (estimate_probability): Avoid duplicated matches
1905 of LOOP_BRANCH heuristics for nested loops; update comment.
1906 * predict.def: Add flags for each prediction, set probabilities
1907 according to B&L paper.
1908 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1910 * profile.c (compute_branch_probabilities): Cleanup way the edge
1911 probabilities are computed and REG_BR_PROB notes are dropped; if
1912 values does not match, emit error.
1913 (init_branch_prob): Do error instead of warning when profile driven
1914 feedback is missing or corrupt.
1916 2001-07-27 DJ Delorie <dj@redhat.com>
1918 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1919 against a constant, try to adjust the compare to have the desired
1920 constant in it so that min/max optimizations happen more often.
1922 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1924 * flow.c (last_loop_beg_note): New function.
1925 (redirect_edge_and_branch): Use it.
1926 (split_edge): Likewise.
1928 * alias.c (loop_p): Avoid uninitialized memory access.
1930 * flow.c (try_forward_edges): Avoid accessing freed memory.
1932 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1935 2001-07-26 Andrew Haley <aph@redhat.com>
1936 Joern Rennecke <amylaar@redhat.com>
1938 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
1939 (SUBTARGET_CPP_ENDIAN_SPEC): New.
1940 (SUBTARGET_CPP_SPEC): New.
1942 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
1943 (SUBTARGET_CPP_PTR_SPEC): New.
1944 (CPP_DEFAULT_CPU_SPEC): New.
1945 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
1946 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1947 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
1948 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1949 (SUBTARGET_CPP_SPEC): Define as an empty string.
1951 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1953 * doc/install.texi (Configuration): Properly link the host
1954 specific instructions also when generating HTML.
1956 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1958 * flow.c (redirect_edge_and_branch_force): Test
1959 target->global_live_at_start.
1961 2001-07-26 Richard Henderson <rth@redhat.com>
1963 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1964 * rtl.h (avoid_constant_pool_reference): Declare it.
1965 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1966 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1968 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1970 * rtl.h (cleanup_barriers): Declare.
1971 * jump.c (cleanup_barriers): New function.
1972 * toplev.c (rest_of_compilation): Call cleanup_barriers
1973 before loop optimizer and after bb_reorder.
1975 * flow.c (back_edge_of_syntactic_loop_p): New.
1976 (split_edge): Use it.
1978 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1980 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1982 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1984 * cse.c (cse_process_notes): Replace any registers if the address
1987 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1989 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1990 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1991 (propagate_block): Update prototype.
1992 * flow.c (update_life_info): Simplify the CFG and
1993 recalculate the global regs which are alive when
1994 removing dead code during a global update.
1995 (propagate_block): Return non-zero if an INSN is
1998 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2000 * Makefile.in (LIBICONV): Define.
2002 2001-07-26 Catherine Moore <clm@redhat.com>
2004 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2005 of conditional to avoid tree checking errors.
2007 2001-07-26 Kazu Hirata <kazu@hxi.com>
2009 * regmove.c (regmove_optimize): Don't replace a reg with
2010 another reg of a different mode.
2012 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2014 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2015 limit length of dependancy flush list.
2016 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2017 * sched-int.h (struct deps): Add pending_flush_length field.
2018 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2019 has 1 element in it.
2020 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2021 (sched_analyze): After a jump, if the pending memory flush list is too
2022 large, flush the pending lists.
2023 (init_deps): Initialize pending_flush_length to 0.
2024 * doc/invoke.texi (max_pending_list_length): Document parameter.
2026 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2028 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2029 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2030 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2032 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2034 * cpphash.h (struct_lexer_state): Delete was_skipping.
2035 Move skipping here from struct cpp_reader.
2036 * cpplex.c (parse_identifier): Update.
2037 (_cpp_lex_token): Don't skip tokens in a directive.
2038 * cpplib.c (struct if_stack): Update.
2039 (start_directive, end_directive): Don't change skipping state.
2040 (_cpp_handle_directive): Update.
2041 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2042 (do_else, do_endif): Update; only check for excess tokens if not
2043 in a skipped conditional block.
2044 (push_conditional): Update for new struct if_stack.
2046 2001-07-26 Graham Stott <grahams@redhat.com>
2048 * function.c (locate_and_pad_parm): Also pad initial offset
2049 so that the total argument size also includes the padding.
2051 2001-07-26 Graham Stott <grahams@redhat.com>
2053 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2054 change XSTR to XTMPL.
2056 (process_one_cond_exec): Likewise
2058 2001-07-25 Richard Henderson <rth@redhat.com>
2060 * varasm.c (assemble_variable): Create DECL_RTL before setting
2063 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2065 * predict.c (estimate_probability): Avoid duplicated predictions.
2067 * loop.c (find_and_verify_loops): Grok multiple barriers.
2069 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2071 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2073 * dbxout.c: Consistently use putc instead of fputc.
2074 (print_wide_int): New function; call instead of direct fprintf.
2075 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2076 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2077 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2078 (print_int_cst_octal): Likewise.
2079 (print_octal): Show we wrote characters.
2080 (dbxout_type): Set have_used_extensions in more places.
2082 2001-07-25 Catherine Moore <clm@redhat.com>
2084 * config/v850/v850.c (v850_va_arg): Use addr
2085 instead of valist to build incr.
2087 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2089 * flow.c (delete_dead_jumptables): New function.
2090 (life_analyzis): Call it.
2091 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2094 2001-07-25 Richard Henderson <rth@redhat.com>
2096 * except.c (reachable_handlers): Handle a region being removed
2097 out from under a RESX.
2099 2001-07-25 Richard Henderson <rth@redhat.com>
2101 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2102 swap GE/GT if it is an fp comparison.
2104 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2106 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2109 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2111 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2112 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2115 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2117 (visit_expression): When attempting to simplify an expression,
2118 retrieve any modes for arguments before they are simplified
2121 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2122 Janis Johnson <janis@us.ibm.com>
2124 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2125 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2126 pointer parameters to match documented usage of nonlocal_goto.
2127 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2128 parameters to their correct order.
2129 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2130 parameters to their correct order.
2132 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2134 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2136 2001-07-25 Jan Hubicka <jh@suse.cz>
2137 Richard Henderson <rth@redhat.com>
2139 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2141 (make_edges): New argument update_p; populate the edge cache if set.
2142 (find_basic_blocks): Update make_edges invocation.
2144 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2146 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2148 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2150 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2151 -Acpu and -Amachine.h.
2152 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2153 Corrected header to say ELF not a.out.
2154 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2155 when given -msoft-float.
2157 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2159 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2160 extra multilib parts like arm-elf.
2161 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2162 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2163 crtfini.o as extra multilib parts.
2165 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2167 * configure.in: Add rtems as a supported thread model.
2168 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2169 * configure: Rebuilt.
2171 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2173 * stor-layout.c (get_mode_alignment): make it work when
2174 BITS_PER_UNIT is not a power of two.
2175 * builtins.c (get_pointer_alignment): Likewise.
2177 2001-07-24 Richard Henderson <rth@redhat.com>
2179 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2180 the retrieved constant into the expected mode.
2182 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2184 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2185 (verify_flow_info): Check for duplicated edges; clarify
2188 * flow.c (block_label): Update basic_block_for_insn.
2189 (commit_edge_insertions): Call compute_bb_for_insn.
2191 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2194 * flow.c (redirect_edge_and_branch,
2195 try_optimize_cfg): Use redirect_edge_succ_nodup
2196 (redirect_edge_succ_nodup): New.
2197 * basic_block.h (redirect_edge_succ_nodup): Declare.
2199 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2202 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2204 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2205 (try_crossjump_to_edge): Update commetns.
2206 (try_crossjump_bb): Likewise.
2208 2001-07-24 Richard Henderson <rth@redhat.com>
2210 * combine.c (distribute_notes): Move set of need_refresh
2211 for noop_move_p down to catch all cases.
2213 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2215 * recog.c (split_all_insns_noflow): New.
2216 * rtl.h (split_all_insns_noflow): Declare.
2217 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2218 * m68hc11.c (m68hc11_reorg): Likewise.
2219 * sh.c (machine_dependent_reorg): Likewise.
2220 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2223 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2225 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2226 (ashlsi3_n splitter): Likewise.
2227 (lshrsi3_n splitter): Likewise.
2229 (GOTaddr2picreg): Make const SImode.
2230 (sym_label2reg): Likewise.
2231 (symGOT2reg): Likewise.
2232 (symGOTOFF2reg) Likewise.
2234 (casesi_worker_0): Make unspec SImode.
2236 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2238 * config/sh/sh.c (barrier_align): Check that an operand really is
2239 an insn before extracting its INSN_CODE.
2241 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2243 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2246 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2247 for SImode to prevent overflow.
2249 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2251 * config/mips/irix6-libc-compat.c: New file.
2252 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2253 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2256 2001-07-24 lars brinkhoff <lars@nocrew.org>
2258 * rtl.texi (REG_POINTER): Document.
2259 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2260 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2262 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2264 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2266 2001-07-23 Richard Henderson <rth@redhat.com>
2268 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2270 2001-07-23 Kazu Hirata <kazu@hxi.com>
2272 * config/h8300/h8300-protos.h: Add a prototype for
2273 general_operand_dst_push.
2274 * config/h8300/h8300.c (general_operand_dst_push): New.
2275 * config/h8300/h8300.h (OK_FOR_T): New.
2276 (EXTRA_CONSTRAINT): Use it.
2277 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2278 the existing movqi pattern.
2279 (movhi_push): Likewise.
2281 * reload.c: Fix comment typos.
2283 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2285 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2287 2001-07-23 H.J. Lu (hjl@gnu.org)
2289 * doc/extend.texi: Update __builtin_return_address and
2290 __builtin_frame_address.
2292 2001-07-23 Richard Henderson <rth@redhat.com>
2294 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2296 * config/i386/i386.md: New setcc+movzbl peephole2.
2298 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2300 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2301 * objc/objc-act.c: Include debug.h.
2302 (synth_module_prologue): Save and restore debug hooks too.
2304 2001-07-23 lars brinkhoff <lars@nocrew.org>
2306 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2307 and C4X_FLOAT_FORMAT.
2308 (BOOL_TYPE_SIZE): Document.
2310 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2312 * unroll.c (loop_iterations): Fix miscalculation of initial
2315 2001-07-13 Andrew Haley <aph@redhat.com>
2317 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2318 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2319 * config/sh/sh.c (sh_can_redirect_branch): New function.
2320 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2321 * reorg.c (steal_delay_list_from_target): Use
2322 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2324 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2326 * flow.c (try_simplify_condjump): Unlink insn chain on
2327 fallthru edge; use can_fallthru.
2329 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2331 * basic-block.h (find_sub_basic_block): Declare.
2332 * flow.c (make_edges): New arguments MIN and MAX;
2333 (find_sub_basic_blocks): Revamp to use make_edges
2334 and purge_dead_edges.
2335 (find_basic_blocks): Update call of find_sub_basic_block.
2337 * recog.c (split_all_insns): Always expect CFG to be consistent;
2338 call find_sub_basic_blocks in case something has changed.
2339 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2342 * basic-block.h (delete_noop_moves): Declare.
2343 * combine.c (combine_instructions): Call it.
2344 (recog_for_combine): Tolerate noop moves
2345 (distribute_notes): Force refresh when register dies at noop move.
2346 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2348 (life_analysis): Update delete_noop_moves call.
2349 (set_noop_p): Move too ...
2350 * rtlanal.c (noop_move_p): ... here.
2351 * rtl.h (noop_move_p): Declare.
2353 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2354 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2356 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2357 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2359 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2361 * reload.c (push_reload): Fix typo in comment.
2362 (find_reloads_address): Ditto.
2363 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2365 2001-07-22 Richard Henderson <rth@redhat.com>
2367 * flow.c: Grammar check and clarify a lot of comments.
2368 (try_simplify_condjump): Rename variables to be clearer.
2369 (try_forward_edges): Skip complex and fallthru edges.
2370 Rearrange tests to avoid duplicate checks.
2371 (flow_find_cross_jump): Likewise.
2372 (outgoing_edges_match): Allow match if neither branch has
2373 probability data. Loosen probability match to 5%.
2374 (try_crossjump_to_edge): Hoist repeated indirection into
2376 (try_crossjump_bb): Don't check complex edges. Eliminate
2377 redundant crossjump tests.
2378 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2379 checks before more expensive checks.
2381 2001-07-22 Richard Henderson <rth@redhat.com>
2383 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2384 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2387 2001-07-22 Richard Henderson <rth@redhat.com>
2389 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2390 (const_sint32_operand): Likewise.
2391 * m68k.md (anon mulsi pattern): Use const_int_operand not
2392 const_sint32_operand.
2393 (umulsi3_highpart): Zero extend a constant input.
2394 (smulsi3_highpart): Don't bother checking SImode constant.
2395 (const_umulsi3_highpart): Give op3 DImode.
2396 (const_smulsi3_highpart): Likewise.
2398 2001-07-22 Richard Henderson <rth@redhat.com>
2400 * flow.c (split_block): Make sure bb_note is included in the
2401 new block when splitting before a label.
2403 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2405 * basic-block.h (redirect_edge_and_branch_force,
2406 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2407 * flow.c (redirect_edge_and_branch_force,
2408 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2409 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2410 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2411 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2412 instead of label; update CFG after transformation.
2413 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2414 for finishing the transformation; handle even case where ELSE
2415 does not follow THEN.
2416 (find_if_case_2): Update call of dead_or_predictable; simplify
2419 * emit-rtl.c (split_branch_probability): New global variable.
2420 (try_split): Take care to set split_branch_probability and
2421 create REG_BR_PROB note for new jump insns.
2422 * md.texi (define_split): Document new feature.
2424 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2426 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2428 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2429 (asm_out_file): Remove redundant declaration.
2430 (assemble_asm): Remove old #if 0 block.
2431 (assemble_variable): Remove end of function; debug output is
2432 now handled with global_decl. Remove old #if 0 block. Update.
2433 Remove saved_in_section and associated no-op code.
2434 * Makefile.in (varasm.o): Correct dependencies.
2436 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2438 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2439 the definition in defaults.h.
2441 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2443 * jump.c: Update comments.
2444 (delete_barrier_successors, delete_unreferenced_labels,
2445 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2446 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2447 jump_optimize, jump_optimize_minimal): Kill.
2448 (rebuild_jump_labels): Move code from jump_optimize_1.
2449 (purge_line_number_notes): Likewise.
2450 (copy_loop_headers): Likewise.
2451 * reg-stack.c: Update comment.
2453 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2454 JUMP_AFTER_REGSCAN): Kill.
2455 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2456 purge_line_number_notes and copy_loop_headers.
2458 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2459 Richard Henderson <rth@redhat.com>
2461 * dbxout.c (dbxout_global_decl): New.
2462 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2463 * sdbout.c (sdbout_finish): New.
2464 (sdbout_debug_hooks): Use it, add comments.
2465 (sdbout_global_decl): Defer initialised public vars to
2467 * varasm.c (assemble_variable): Don't output debug information
2468 for file-scope variables.
2470 2001-07-22 Richard Henderson <rth@redhat.com>
2472 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2473 (get_round_mode_suffix): New.
2474 (print_operand): Use them for [/]. Remove support for [&'`()+].
2475 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2476 * config/alpha/alpha.md (attr round_suffix): New.
2477 (attr trap_suffix): New.
2478 (all insns): Set them appropriately. Use %/ instead of the
2481 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2483 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2485 2001-07-22 Richard Henderson <rth@redhat.com>
2487 * regrename.c (regrename_optimize): Compute nregs for each
2488 potential target register.
2490 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2491 Richard Henderson <rth@redhat.com>
2493 * dbxout.c (dbxout_global_decl): New.
2494 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2495 * sdbout.c (sdbout_finish): New.
2496 (sdbout_debug_hooks): Use it, add comments.
2497 (sdbout_global_decl): Defer initialised public vars to
2499 * varasm.c (assemble_variable): Don't output debug information
2500 for file-scope variables.
2502 2001-07-21 H.J. Lu (hjl@gnu.org)
2504 * config/mips/mips.c (mips_cpu): Moved into ...
2505 (override_options): Here.
2507 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2509 (mips_cpu): Removed.
2511 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2513 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2514 ("iorqi3"): Likewise.
2515 ("xorqi3"): Likewise.
2516 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2517 ("*subhi3_sp): Likewise.
2518 ("*subhi3"): Likewise.
2519 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2522 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2524 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2525 * config/freebsd.h: Likewise.
2526 * config/linux.h: Likewise.
2527 * config/openbsd.h: Likewise.
2528 * config/alpha/linux-elf.h: Likewise.
2529 * config/arm/linux-elf.h: Likewise.
2530 * config/d30v/d30v.h: Likewise.
2531 * config/fr30/fr30.h: Likewise.
2532 * config/ia64/aix.h: Likewise.
2533 * config/ia64/ia64.h: Likewise.
2534 * config/mips/linux.h: Likewise.
2535 * config/pj/pj.h: Likewise.
2536 * config/rs6000/linux.h: Likewise.
2537 * config/sparc/linux.h: Likewise.
2538 * config/sparc/linux64.h: Likewise.
2540 2001-07-20 Bruce Korb <bkorb@gnu.org>
2542 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2543 because getc() and char* may disagree on signedness.
2545 2001-07-20 Richard Henderson <rth@redhat.com>
2547 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2549 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2550 insns to delete in the presence of cc0 in a jump insn.
2552 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2553 Jan Hubicka <jh@suse.cz>
2555 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2556 of doing the change by hand.
2558 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2560 * rtlanal.c (set_noop_p): Return true for noop jumps.
2562 * expr.c (emit_single_push_insn): Add call to push expander.
2563 * expr.h (optab_index): Add OTI_push
2564 (push_optab): New constant.
2565 * genopinit.c (optabs): Add push_optab.
2566 * optabs.c (init_optab): Init push optab.
2567 * md.texi (push??1): Document
2569 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2571 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2572 expand to emit the pattern; put a REG_INC note for push/pop
2574 ("movdf", "movdf_internal"): Likewise.
2575 ("movsi", "movsi_internal"): Likewise.
2576 ("movsf", "movsf_internal"): Likewise.
2577 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2579 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2581 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2584 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2586 * params.def: Change default max inline insns to 100.
2588 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2590 * combine.c (combine_simplify_rtx): Generate a new shift operation
2591 when simplifying the first operand of a (neg (ashift)) expression.
2593 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2595 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2597 2001-07-20 Kelley Cook <kelley.cook@home.com>
2599 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2600 information. Move rest into ...
2601 (*-*-solaris): ... here. Eliminate redundant information and
2602 reword necessary packages section. Delete 4.x assembler bug info.
2603 (sparc-sun-*): Merge into ...
2604 (sparc-sun-sunos*): here.
2606 2001-07-20 Catherine Moore <clm@redhat.com>
2608 * config/v850/v850.md (casesi): Generate LABEL_REF
2611 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2613 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2614 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2615 * i386.md (strclrsi expander): Use it.
2617 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2619 * integrate.c (copy_insn_list): handle
2620 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2621 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2622 identically as to CODE_LABEL.
2624 * fold-const (fold): Convert A/B/C to A/(B*C) and
2627 * except.c (connect_post_landing_pads): Delete the RESX insns.
2629 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2631 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2633 * config/mips/mips.md (nmadd/nmsub): Use macro.
2635 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2637 * cppinit.c (remove_dup_dir): Make static.
2638 (remove_dup_dirs): Make static. Only warn about preempting a
2639 system directory with a non-system directory.
2641 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2643 * ifcvt.c (noce_try_store_flag_constants): Correct order
2644 of parameters to trunc_int_for_mode.
2646 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2648 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2649 an exception that will be caught within this function, do not fill
2650 its delay slot with any subsequent instruction.
2652 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2654 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2655 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2656 pointer extension instruction.
2657 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2658 * simplify-rtx.c (simplify_unary_operation) Likewise.
2659 * explow.c (convert_memory_address) Check value of
2660 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2662 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2663 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2664 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2665 Add Multilib Support.
2666 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2667 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2668 Add Multilib Support.
2669 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2671 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2672 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2673 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2675 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2677 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2678 old and new operands in `<', `3' and `b'.
2680 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2682 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2683 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2684 (toplev.o): Don't depend on xcoffout.h.
2685 * c-decl.c: Include debug.h
2686 (duplicate_decls): Use debug hook.
2687 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2688 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2689 (dbxout_types): Remove.
2690 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2691 * debug.c (do_nothing_debug_hooks): Update.
2692 (debug_true_tree, debug_nothing_rtx): New.
2693 * debug.h (struct rtx_def): New.
2694 (struct gcc_debug_hooks): New hooks ignore_block,
2695 outlining_inline_function and label.
2696 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2697 dwarf2out_frame_finish): New.
2698 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2699 Make static, update prototype.
2700 (dwarf2_debug_hooks): Update.
2701 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2702 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2703 * dwarfout.c (dwarf_debug_hooks): Update.
2704 * emit-rtl.c: Include debug.h.
2705 (remove_unnecessary_notes): Use debug hook.
2706 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2707 (final_scan_insn): Use debug hook.
2708 * integrate.c (output_inline_function): Use debug hook.
2709 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2710 (sdb_debug_hooks): Update.
2711 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2712 * toplev.c: Don't include xcoffout.h.
2713 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2714 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2716 * tree.h (dwarf2out_do_frame): Remove.
2718 2001-07-19 Catherine Moore <clm@cygnus.com>
2720 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2722 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2724 * reload1.c (eliminate_regs_in_insn): When updating a set
2725 to the frame pointer to the hardware frame pointer, perform
2726 the update always not just when REPLACE is set.
2728 * reload1.c (choose_reload_regs): Don't inherit a reload
2729 that crosses multiple registers if registers past the first
2730 don't fit in the desired class.
2732 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2733 when negating constants.
2735 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2737 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2738 * doc/tree.texi: Ditto.
2740 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2741 Jakub Jelinek <jakub@redhat.com>
2743 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2744 (extract_cie_info): Handle "eh" augmentation properly,
2746 (struct frame_state, __frame_state_for): New.
2748 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2750 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2751 HANDLE_SYSV_PRAGMA): Define.
2752 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2754 (copy_object): Caller changed.
2756 2001-07-19 Andreas Schwab <schwab@suse.de>
2758 * configure.in (assembler dwarf2 debug_line support): Define nop
2760 * configure: Regenerated.
2762 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2764 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2766 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2767 to conditionally compiled block.
2768 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2769 * dbxout.h (dbxout_function): Remove.
2770 * debug.c (do_nothing_debug_hooks): Update.
2771 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2772 global_decl, deferred_inline_function.
2773 * dwarf2out.c (dwarf2_debug_hooks): Update.
2774 (dwarf2out_global_decl): New.
2775 * dwarfout.c: Don't include dwarfout.h.
2776 (dwarfout_global_decl, dwarfout_function_decl,
2777 dwarfout_deferred_inline_function): New.
2778 (dwarf_debug_hooks): Update.
2779 * dwarfout.h: Remove.
2780 * final.c: Don't include dwarfout.h.
2781 * sdbout.c (sdbout_global_decl): New.
2782 (sdbout_debug_hooks): Update.
2783 * toplev.c: Don't include dwarfout.h.
2784 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2785 (note_deferral_of_defined_inline_function): Remove.
2786 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2787 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2788 * ch/lex.c: Don't include dwarfout.h.
2789 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2790 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2791 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2792 * cp/optimize.c: Include debug.h.
2793 (maybe_clone_body): Use debug hook.
2794 * cp/semantics.c: Include debug.h.
2795 (expand_body): Use debug hook.
2796 * po/POTFILES.in: Remove dwarfout.h.
2798 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2800 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2801 * c-parse.in (yyerror, _yylex): Similarly.
2802 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2803 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2805 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2806 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2808 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2810 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2811 in-class declaration at -g1. Fixes c++/2814.
2813 2001-07-18 Richard Henderson <rth@redhat.com>
2815 * doc/md.texi (reload_in/out): Document restrictions in predicates
2816 and constraints for these patterns. Document empty string matching
2819 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2821 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2823 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2825 * cse.c: Undo my previous patch.
2827 2001-07-18 Tom Tromey <tromey@redhat.com>
2830 * configure: Rebuilt.
2831 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2833 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2835 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2836 Jan Hubicka <jh@suse.cz>
2838 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2839 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2840 * jump.c (mark_jump_label): Do not forward branches.
2842 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2844 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2845 when return value is unused.
2847 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2849 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2851 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2853 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2854 on error. We can't blindly return the result of
2855 pthread_mutex_trylock because it returns a positive number on
2856 error, while we must return -1 on error.
2857 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2859 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2861 2001-07-18 Andreas Jaeger <aj@suse.de>
2863 * integrate.c (output_inline_function): Correct type of debug_hooks.
2865 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2867 * combine.c (combine_simplify_rtx): DIV can be treated
2868 associatively for floats if unsafe math optimisations are enabled.
2870 2001-07-17 Richard Henderson <rth@redhat.com>
2872 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2874 2001-07-17 Richard Henderson <rth@redhat.com>
2876 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2877 don't force the function address into a register.
2878 (expand_call, emit_library_call_value_1): Update callers.
2879 * builtins.c (expand_builtin_apply): Likewise.
2880 * expr.h (prepare_call_address): Update decl.
2882 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2884 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2886 * config/i386/chorus.h: Move up.
2887 * config/sparc/chorus.h: Likewise.
2888 * config/rs6000/chorus.h: Likewise.
2889 * config/chorus.h: Moved here.
2891 2001-07-17 Andreas Schwab <schwab@suse.de>
2893 * configure.in (assembler eh_frame optimization): Handle big
2895 * configure: Regenerated.
2897 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2899 * expr.c (epxand_expr): Convert divisions into multiplications by
2900 reciprocals if -ffast-math.
2902 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2904 * dbxout.c (dbxout_really_begin_function): Rename to
2905 dbxout_begin_function.
2906 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2907 (dbxout_begin_function): Remove.
2908 (dbxout_function): Update.
2909 (dbxout_source_line): Update prototype.
2910 * dbxout.h (dbxout_begin_function): Remove.
2911 * debug.c (do_nothing_debug_hooks): Update.
2912 (debug_nothing_tree): Update.
2913 (debug_nothing_charstar_rtx): Remove.
2914 * debug.h (union tree_node): Declare.
2915 (struct rtx_def): Remove.
2916 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2917 begin_function. Change source_line prototype.
2918 (debug_nothing_tree): New.
2919 (debug_nothing_charstar_rtx): Delete.
2920 (dwarf2out_begin_prologue): Moved from ...
2922 * dwarf2out.c (dwarf2_debug_hooks): Update.
2923 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2924 debug info, call dwarf2out_source_line.
2925 (dwarf2out_souce_line): Update prototype.
2926 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2927 Change prototype, make static.
2928 (dwarfout_source_line): Update prototype.
2929 (dwarf_debug_hooks): Update.
2930 * dwarfout.h (dwarfout_begin_function): Remove.
2931 * final.c (final_start_function, final_scan_insn): Use appropriate
2932 debug hooks, update to use notice_source_line.
2933 (output_source_line): Rename notice_source_line. Don't call the
2934 source_line debug hook.
2935 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2936 make static, update prototype.
2937 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2939 (sdbout_end_prologue): New.
2940 (sdbout_source_line): Update prototype.
2941 (sdbout_debug_hooks): Update.
2942 (sdbout_symbol): Remove unused var.
2943 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2945 * varasm.c: Include debug.h.
2946 (assemble_start_function): Use begin_function debug_hook.
2947 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2948 update with prototype.
2949 (xcoffout_source_line): Update prototype.
2950 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2952 (xcoffout_source_line): Update prototype.
2954 2001-07-17 Richard Henderson <rth@redhat.com>
2956 * c-typeck.c (build_binary_op): Do not shorten unsigned
2957 right shift after sign extension.
2959 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2961 * combine.c (combine_simplify_rtx): Attempt to simplify
2962 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2964 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2965 (simplify_binary_operation, simplify_unary_operation,
2966 simplify_relational_operation): Use it.
2968 * combine.c (combine_simplify_rtx): Don't do associative law
2969 on divisions; allow associative law on floats.
2971 2001-07-17 H.J. Lu <hjl@gnu.org>
2972 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2974 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2975 ASM_OUTPUT_WEAK_ALIAS are defined.
2976 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2977 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2979 * config/mips/iris5.h: ... here.
2980 (HANDLE_SYSV_PRAGMA): Defined as 1.
2981 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2982 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2985 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2987 * c-parse.in (all_prefix_attributes): New variable.
2988 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2989 (maybe_resetattrs): New production.
2990 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2991 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2992 notype_initdcl, nested_function, notype_nested_function,
2993 component_decl, components, components_notype,
2994 component_declarator, component_notype_declarator,
2995 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2996 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2997 after a comma being applied to more than one declarator.
2998 * doc/extend.texi (Attribute Syntax): Update. Remove
2999 documentation of bugs that are no longer present.
3001 2001-07-13 Eric Christopher <echristo@redhat.com>
3003 * config/mips/mips.h: Change TUNE_MIPS* options to use
3005 (EXTRA_SPECS): Add cc1_cpu_spec.
3006 * config/mips/mips.md (muldf3): Fix typo.
3008 2001-07-16 Richard Henderson <rth@redhat.com>
3010 * config/m68k/m68k.c: Include expr.h and reload.h.
3011 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3012 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3014 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3015 Richard Henderson <rth@redhat.com>
3017 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3018 (insn_live_p): Fix fall off end of function.
3019 (dead_libcall_p): Remove COUNTS argument; update callers.
3020 (delete_trivially_dead_insns): Remove unused variables.
3022 2001-07-17 Andreas Jaeger <aj@suse.de>
3024 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3027 * lcm.c (optimize_mode_switching): Avoid warning for unused
3028 variable if !NORMAL_MODE.
3030 * flow.c (try_crossjump_to_edge): Remove unused variable.
3032 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3034 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3035 atexit declaration in stdlib.h.
3037 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3039 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3041 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3043 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3044 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3045 do rebuild_jump_labels instead of jump_optimize
3046 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3047 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3048 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3050 * flow.c: Include timevar.h
3051 (find_basic_block): Push/pop timevar;
3052 (cleanup_cfg): Likewise.
3053 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3054 * Makefile: Add dependencies on timevar.h
3056 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3057 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3059 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3060 * toplev.c (rest_of_compilation): Update calls.
3061 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3062 (delete_trivially_dead_insns): ... here; accept new argument
3063 preserve_basic_blocks; preserve basic blocks if set.
3065 * reg-stack.c (stack_regs_mentioned): Return 0 if
3066 stack_regs_mentioned_data is not initialized.
3067 (reg_to_stack): Make stack_regs_mentioned survive after the
3068 reg-stack is completted; do not call cleanup_cfg.
3069 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3070 make cleanup_cfg after bb-reorder to output to debug file.
3072 2001-07-16 Richard Henderson <rth@redhat.com>
3074 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3075 from int_reg_class_contents.
3077 2001-07-16 Richard Henderson <rth@redhat.com>
3079 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3080 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3081 (init_reg_sets_1): Move initialization from cse_main.
3082 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3083 (cse_main): Move its initialization also.
3084 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3085 * flow.c (propagate_one_insn): Likewise.
3086 * gcse.c (compute_hash_table): Likewise.
3087 (compute_kill_rd, compute_store_table): Likewise.
3088 * sched-deps.c (sched_analyze_1): Likewise.
3090 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3092 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3095 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3097 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3098 in if statement so we don't access undefined memory.
3100 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3102 * gcse.c: Update comment at top.
3103 Update comment on mem handling.
3104 mem_last_set, mem_first_set, mem_set_in_block: gone.
3105 Declaration of reg_set_info: gone.
3106 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3107 pointless with load_killed_in_block_p (they are *more*
3108 conservative then it, not less, and less accurate).
3109 (oprs_not_set_p): Ditto.
3110 (alloc_gcse_mem): Don't allocate mem_set_in_block
3111 (free_gcse_mem): Don't free it, either.
3112 (record_last_mem_set_info): Update comment in front, remove
3113 mem_*set_* stuff. Note the reason we don't handle stores directly
3115 (compute_hash_table): Update comments to reflect reality. Remove
3116 mem_*set_* references.
3117 (reset_opr_set_tables): Remove mem_*set_* references.
3119 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3120 (mark_clobber): Ditto (on both parts, we double set here too).
3121 (expr_killed_p): Remove mem_set_in_block test.
3122 (compute_transp): Remove mem_set_in_block test.
3124 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3125 of edge, and removal of phi alternative to dump file.
3126 (ssa_ccp_substitute_constants): Add note about register now being
3127 constant, and which uses were replaced in what insns to dump file.
3129 2001-07-16 Andreas Jaeger <aj@suse.de>
3131 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3132 variables of type HOST_WIDEST_INT.
3134 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3135 (__bb_exit_func): Correct type of count_max to avoid overflow.
3136 (num_digits): Handle long long argument.
3138 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3140 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3142 * output.h (sdb_begin_function_line): Restore as an extern
3144 * sdbout.c (sdb_begin_function_line): Make extern.
3146 2001-07-15 Richard Henderson <rth@redhat.com>
3148 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3149 * genrecog.c (maybe_both_true_mode): New.
3150 (maybe_both_true_2): Use it.
3151 (write_switch): Don't put Pmode in a switch.
3152 * rtl.c (mode arrays): Don't explicitly size them.
3154 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3156 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3157 handling; move unconditional splitting before mode switching.
3159 * i386.md (type): Add fistp type.
3160 (i387, length_attr, scheduling definitions): Handle this type.
3161 (fix_trunc?f?i2): Revamp to use mode switching.
3162 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3163 * i386.h (fp_cw_mode): New enum
3164 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3165 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3167 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3169 * Makefile.in (integrate.o): Add debug.h.
3170 * integrate.c (debug.h): Add.
3171 (output_inline_function): Save, reset, and restore debug_hooks.
3173 2001-07-15 Richard Henderson <rth@redhat.com>
3175 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3176 instead of COMPARE for the EQUIV expression.
3178 2001-07-15 Richard Henderson <rth@redhat.com>
3180 * flow.c (redirect_edge_and_branch_force): Initialize
3181 global_live_at_start and global_live_at_end.
3182 (allocate_bb_life_data): Export.
3183 * basic-block.h (allocate_bb_life_data): Declare.
3184 * toplev.c (rest_of_compilation): Call it.
3186 2001-07-15 Richard Henderson <rth@redhat.com>
3188 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3189 (alpha_tablejump_best_label): New.
3190 * config/alpha/alpha-protos.h: Declare them.
3191 * config/alpha/alpha.md: Use braced strings for code blocks.
3192 (tablejump_osf): Break out add with r29.
3193 (tablejump_osf_internal): Remove.
3194 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3195 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3197 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3199 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3202 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3204 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3205 (ix86_fp_jump_nontrivial_p): New.
3206 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3207 use ix86_fp_jump_nontrivial_p.
3208 * i386.c (ix86_fp_jump_nontrivial_p): New.
3209 (ix86_split_fp_branch): Accept code instead of rtx.
3210 (ix86_expand_compare): Expand comparison early in case
3211 doing so is resonably cheap.
3213 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3215 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3217 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3218 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3220 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3222 * dbxout.c (dbxout_source_line): Make static, update prototype.
3223 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3224 (dbxout_init, dbxout_finish, dbxout_source_line,
3225 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3226 * dbxout.h (dbxout_source_line): Delete.
3227 * debug.c (debug_nothing_file, debug_nothing_file_int,
3228 debug_nothing_file_charstar_rtx): New.
3229 (do_nothing_debug_hooks): Update.
3230 (debug_nothing_void, debug_nothing_charstar_rtx,
3231 dwarf2out_end_epilogue): New.
3232 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3233 * debug.h (struct rtx_def): Declare.
3234 (gcc_debug_hooks): New hooks source_line, end_epilogue
3236 (debug_nothing_void, debug_nothing_charstar_rtx,
3237 dwarf2out_end_epilogue): New.
3238 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3239 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3240 (dwarf2_debug_hooks): Update.
3241 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3242 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3243 * dwarf2out.h (dwarf2out_source_line): Remove.
3244 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3245 Make static, update prototype.
3246 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3247 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3248 (dwarf_debug_hooks): Update.
3249 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3250 dwarfout_end_function): Remove.
3251 * final.c (profile_function): Use debug hooks for ending functions
3253 (output_source_line, final_end_function): Update prototype,
3255 (final_start_function, final_scan_insn): Update.
3256 * output.h (sdb_begin_function_line): Remove.
3257 (final_end_function): Update prototype.
3258 * sdbout.c (sdb_begin_function_line): Make static.
3259 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3260 (sdbout_source_line): New.
3261 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3263 (sdb_debug_hooks): Update.
3264 (sdbout_init, sdbout_source_line,
3265 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3266 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3267 * toplev.c (compile_file, rest_of_compilation): Update.
3268 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3269 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3270 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3271 Update for prototype changes.
3272 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3273 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3275 2001-07-15 Richard Henderson <rth@redhat.com>
3277 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3278 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3279 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3280 * config/alpha/alpha.c: Likewise.
3281 * config/alpha/alpha.md: Likewise.
3282 * config/alpha/alpha32.h: Likewise.
3283 * config/alpha/vms.h: Likewise.
3286 2001-07-14 Richard Henderson <rth@redhat.com>
3288 * config/alpha/alpha.md: Use define_constants for unspec values.
3289 Substitute throughout.
3291 2001-07-14 Tim Josling <tej@melbpc.org.au>
3293 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3295 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3297 * pa.md: Remove unused constraints from define_split's.
3299 2001-04-14 Richard Henderson <rth@redhat.com>
3301 * ifcvt.c (find_cond_trap): Test for exit block.
3303 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3305 Re-install recently reverted patch.
3306 * emit-rtl.c (try_split): Update mark_jump_label call.
3307 * flow.c (find_sub_basic_blocks): Likewise.
3308 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3310 (mark_all_labels): Kill second parameter.
3311 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3312 (rebuild_jump_labels, jump_optimize_minimal): Update call
3314 (jump_optimize_1): Kill crossjumping code.
3315 (mark_jump_label): Kill cross_jump parameter.
3316 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3317 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3318 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3320 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3322 (dump_file_info): Likewise.
3323 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3324 reorganize passes to do reg-stack first, bb-reorder second.
3325 * invoke.texi (-d letters doc): Remove the jump2 pass.
3327 2001-07-14 Richard Henderson <rth@redhat.com>
3329 * ifcvt.c (find_cond_trap): New.
3330 (find_if_header): Call it.
3331 (merge_if_block): Relax existing jump sanity check.
3332 * jump.c (jump_optimize_1): Remove conditional trap handling.
3334 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3336 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3338 (insn_refs_are_delayed): Correct comment.
3339 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3340 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3341 instead of r31. Make associated insn !TARGET_64BIT, and
3342 provide an additional 64-bit insn that clobbers r2.
3344 (udivsi3): Likewise.
3346 (umodsi3): Likewise.
3348 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3350 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3352 * flow.c (redirect_edge_and_branch_force, split_edge,
3353 try_crossjump_to_edge): Use set_block_for_new_insns.
3354 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3356 2001-07-13 H.J. Lu (hjl@gnu.org)
3358 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3361 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3363 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3365 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3367 * c-common.c (decl_attributes): Take a pointer to the node to
3368 which attributes are to be attached, and a flags argument.
3369 * c-common.h (enum attribute_flags): New.
3370 (decl_attributes): Update prototype.
3371 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3372 finish_enum, start_function): Update calls to decl_attributes.
3373 * c-parse.in (component_declarator, component_notype_declarator,
3374 label): Update calls to decl_attributes.
3376 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3378 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3379 * config/avr/avr.c (legitimate_address_p): Return value changed
3380 from letter to register classes. For better debugging.
3382 2001-07-13 Kazu Hirata <kazu@hxi.com>
3384 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3386 2001-07-13 H.J. Lu (hjl@gnu.org)
3388 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3390 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3392 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3393 correctly for shared configurations.
3394 * config/t-libgcc-pic: New.
3395 * config/{i386,m68k,sparc}/t-openbsd: New.
3396 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3397 Support -shared. Support debugging libraries with -g.
3398 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3399 frame information does not emit pointer diffs.
3400 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3403 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3405 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3407 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3409 * combine.c (try_combine): Ensure const_int pow2 is positive.
3411 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3413 * config.gcc: Add configuration for s/390.
3414 * config/s390/s390.c: New. Subroutines for code generation.
3415 * config/s390/s390.h: New. Definitions for s/390.
3416 * config/s390/s390-protos.h: New. Prototypes.
3417 * config/s390/linux.h: New. Definitions for linux for s/390.
3418 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3419 * config/s390/t-linux: New. Makefile fragment.
3420 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3421 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3423 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3425 * emit-rtl.c (try_split): Update mark_jump_label call.
3426 * flow.c (find_sub_basic_blocks): Likewise.
3427 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3429 (mark_all_labels): Kill second parameter.
3430 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3431 (rebuild_jump_labels, jump_optimize_minimal): Update call
3433 (jump_optimize_1): Kill crossjumping code.
3434 (mark_jump_label): Kill cross_jump parameter.
3435 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3436 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3437 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3439 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3441 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3442 reorganize passes to do reg-stack first, bb-reorder second.
3443 * invoke.texi (-d letters doc): Remove the jump2 pass.
3445 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3447 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3449 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3451 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3453 (verify_flow_info): Make diagnostics prettier.
3455 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3457 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3459 * flow.c (outgoing_edges_match): Return early if condition reversal
3462 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3464 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3465 (mips_move_2words): When splitting a move into two instructions,
3466 prefix the second address operand with '%D'.
3468 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3470 * Makefile.in (final.o): Depend on debug.h.
3471 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3472 (dbx_debug_hooks): Add new hooks.
3473 (xcoff_debug_hooks): New.
3474 * debug.c (debug_nothing_file_int_int): New.
3475 (do_nothing_debug_hooks): Update.
3476 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3477 (debug_nothing_file_int_int): New.
3478 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3479 static, update prototype.
3480 (dwarf2_debug_hooks): Update.
3481 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3482 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3483 static, update prototype.
3484 (dwarf_debug_hooks): Update.
3485 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3486 * final.c: Include debug.h.
3487 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3488 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3489 static, update prototype.
3490 (sdb_debug_hooks): Update.
3491 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3492 * toplev.c: Distinguish between xcoff and dbx.
3494 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3495 Call all debug hooks, not just dwarf ones.
3497 2001-07-11 Timothy Wall <twall@redhat.com>
3499 * config.gcc: Add configuration for AIX5/IA64.
3500 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3501 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3502 support prefix/suffix code.
3503 * config/ia64/t-aix: New. Makefile fragment.
3504 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3506 2001-07-11 Kazu Hirata <kazu@hxi.com>
3508 * recog.c (validate_change): Fix a comment typo.
3510 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3512 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3513 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3515 * dbxout.c (dbx_debug_hooks): Add new hooks.
3516 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3518 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3520 * dbxout.h (dbxout_start_new_source_file,
3521 dbxout_resume_previous_source_file): Delete.
3522 * debug.c (do_nothing_debug_hooks): Add new hooks.
3523 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3524 (debug_nothing_int_charstar, debug_nothing_int): New.
3525 * debug.h (gcc_debug_hooks): New hooks define, undef,
3526 start_source_file and end_source_file.
3527 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3528 (debug_nothing_int_charstar, debug_nothing_int): New.
3529 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3530 the conditionally compiled section.
3531 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3532 dwarf2out_define, dwarf2out_undef): Make static.
3533 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3534 dwarf2out_define, dwarf2out_undef): Remove.
3535 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3536 (dwarfout_start_source_file, dwarfout_end_source_file,
3537 dwarfout_define, dwarfout_undef): Make static.
3538 (dwarfout_start_source_file_check,
3539 dwarfout_end_source_file_check): New.
3540 (dwarfout_define, dwarfout_finish): Update.
3541 * dwarfout.h (dwarfout_start_new_source_file,
3542 dwarfout_resume_previous_source_file, dwarfout_define,
3543 dwarfout_undef): Remove.
3544 * sdbout.c (sdb_debug_hooks): Add new hooks.
3545 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3547 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3548 make static, take an arg.
3549 * sdbout.h (sdbout_start_new_source_file,
3550 sdbout_resume_previous_source_file): Delete.
3551 * toplev.c (debug_start_source_file, debug_end_source_file,
3552 debug_define, debug_undef): Delete.
3553 * toplev.h (debug_start_source_file, debug_end_source_file,
3554 debug_define, debug_undef): Delete.
3556 * java/jcf-parse.c: Include debug.h.
3557 (parse_class_file): Update to use debug hooks directly.
3558 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3560 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3562 * alias.c (set_mem_alias_set): New function.
3563 * rtl.h (set_mem_alias_set): Declare it.
3564 * builtins.c (expand_builtin_return_addr): Call it instead of
3565 using MEM_ALIAS_SET accessor.
3566 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3567 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3568 (expand_builtin_va_copy):Likewise.
3569 * caller-save.c (setup_save_areas): Likewise.
3570 * calls.c (compute_argument_addresses): Likewise.
3571 * explow.c (set_mem_attributes): Likewise.
3572 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3573 (expand_assignment, store_constructor_field, store_field): Likewise.
3574 (expand_expr_unaligned): Likewise.
3575 * function.c (assign_stack_temp_for_type): Likewise.
3576 (put_reg_into_stack, gen_mem_addressof): Likewise.
3577 * ifcvt.c (noce_try_cmove_arith): Likewise.
3578 * reload1.c (reload, alter_reg): Likewise.
3579 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3580 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3581 (alpha_expand_unaligned_store): Likewise
3582 (alpha_expand_unaligned_load_words): Likewise.
3583 (alpha_expand_unaligned_store_words): Likewise.
3584 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3585 (alpha_expand_epilogue): Likewise.
3586 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3587 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3588 * config/i386/i386.c (legitimize_pic_address): Likewise.
3589 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3590 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3591 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3592 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3593 * config/mips/mips.c (mips_va_arg): Likewise.
3594 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3595 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3596 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3597 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3598 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3599 (rs6000_emit_epilogue): Likewise.
3600 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3601 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3602 * config/v850/v850.c (v850_va_arg): Likewise.
3604 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3606 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3607 when fallthru edge is present.
3608 (mege_blocks): Handle case where creation of jump insn
3611 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3612 CLEANUP_POST_REGSTACK): New constants.
3613 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3614 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3615 * output.h (cleanup_cfg): Update prototype.
3616 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3617 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3618 cleanup_cfg call; kill missleading comment.
3619 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3620 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3621 parameter; control optimizations performed using it.
3622 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3623 try_crossjump_bb): New functions.
3625 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3627 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3629 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3630 pa_output_function_prologue.
3631 * pa-protos.h (pa_output_function_prologue): New prototype.
3633 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3635 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3636 and low to get correct sign extension in low+high test.
3638 2001-07-11 Janis Johnson <janis@us.ibm.com>
3640 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3641 for large hit count.
3643 * profile.c (branch_prob): Fix .bbg info for computed gotos
3646 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3648 * stmt.c (parse_output_constraint): New function, split out
3650 (expand_asm_operands): ... here. Use parse_output_constraint.
3651 * tree.h (parse_output_constraint): Declare it.
3653 2001-07-11 Richard Henderson <rth@redhat.com>
3655 * bitmap.c: Comment some functions; fiddle whitespace.
3656 (bitmap_free): Don't export.
3657 (bitmap_element_allocate): Use memset.
3658 * bitmap.h (bitmap_free): Don't declare.
3660 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3662 * gcse.c, lcm.c, sched-deps.c:
3663 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3665 * flow.c (flow_loops_find): Free dom if we found no loops, since
3666 we aren't going to save it.
3668 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3671 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3673 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3675 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3677 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3678 #ifndef DWARF2_DEBUGGING_INFO.
3680 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3682 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3684 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3686 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3687 reverse a branch if a NE comparison is implemented with GTU.
3689 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3690 H.J. Lu <hjl@gnu.org>
3692 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3694 (call_internal2): Likewise.
3695 (call_value_internal1): Likewise.
3696 (call_value_internal2): Likewise.
3697 (call_value_multiple_internal1): Likewise.
3698 (call_value_multiple_internal2): Likewise.
3700 2001-07-10 Kazu Hirata <kazu@hxi.com>
3702 * calls.c (emit_library_call_value_1): Fix a comment typo.
3703 * dwarf2out.c (mem_loc_descriptor): Likewise.
3704 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3706 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3708 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3710 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3712 * recog.c (offsettable_address_p): Handle LO_SUM case.
3713 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3714 instead of plus_constant.
3716 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3718 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3719 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3721 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3723 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3724 adjust_address_nv instead of plus_constant.
3726 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3728 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3729 dwarf2out.o): Depend on debug.h, wrap long lines.
3730 * dbxout.c: Include debug.h.
3731 (dbx_debug_hooks): New.
3732 (dbxout_init): Make static, take just 2 args.
3733 (dbxout_finish): Make static.
3734 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3735 * debug.c: New file.
3736 * debug.h: New file.
3737 * dwarf2out.c: Include debug.h.
3738 (dwarf2_debug_hooks): New.
3739 (dwarf2out_init): Make static.
3740 (dwarf2out_finish): Make static, take 2 args.
3741 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3742 * dwarfout.c: Include debug.h.
3743 (dwarf_debug_hooks): New.
3744 (dwarfout_init): Make static.
3745 (dwarfout_finish): Make static, take 2 args.
3746 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3747 * sdbout.c: Include debug.h.
3748 (sdb_debug_hooks): New.
3749 (sdbout_init): Make static, take 2 args.
3750 * sdbout.h (sdbout_init): Delete.
3751 * toplev.c: Include debug.h.
3753 (compile_file): Set deubg_hooks based on command line options.
3754 Use the hooks unconditionally rather than conditional compilation.
3756 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3758 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3759 first_insn_after_basic_block_note instead.
3761 * df.c (df_bb_refs_unlink): #if 0 out for now.
3763 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3765 * ssa.h: Add prototype for ssa_const_prop
3766 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3767 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3768 (ssa_fast_dce): Remove unused variable
3770 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3772 * diagnostic.c (finish_diagnostic): Rename to
3773 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3776 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3778 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3781 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3782 (dump_file): Only pad the demangled name with spaces if the
3783 mangled name was padded with spaces.
3785 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3787 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3790 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3792 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3793 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3796 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3797 whether can put offset inside LO_SUM to check mode alignment, not size.
3799 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3801 * doc/tm.texi (Misc): Fix thinko.
3803 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3805 * regmove.c (replace_in_call_usage): Fix warnings.
3806 * sched-deps.c (add_dependence): Fix warnings.
3807 * simplify-rtx.c (simplify_subreg): Likewise.
3808 Return NULL_RTX instead of NULL.
3810 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3811 (subst_asm_stack_regs): Likewise.
3813 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3816 * dwarf2out.c (output_call_frame_info): Declare i as int.
3817 (build_abbrev_table): Declare n_alloc as int.
3818 (dwarf2out_finish): Initialize die.
3819 * except.c: Declare sjlj_funcdef_number as unsigned.
3820 (connect_post_landing_pads): Declare j as unsigned.
3821 (convert_to_eh_region_ranges): Initialize call_site.
3822 (output_function_exception_table): Initialize tt_format_size.
3823 * expr.c (move_by_pieces_1): Initialize to1.
3824 (store_constructor): Initialize minelt and maxelt.
3825 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3826 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3828 * c-decl.c (combine_parm_decls): Unused, remove.
3829 * c-tree.h: Remove prototype for combine_parm_decls.
3831 * reload.c (push_reload): Fix warning.
3832 (regno_clobbered_p): Likewise.
3833 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3834 (reload_combine): Likewise.
3836 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3837 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3839 * bitmap.c (bitmap_operation): Change user.
3840 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3842 2001-07-10 Eric Christopher <echristo@redhat.com>
3844 * config/mips/mips.c (override_options): Fix typo.
3846 2001-07-09 Stan Shebs <shebs@apple.com>
3848 * target.h (struct gcc_target): New fields init_builtins and
3850 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3851 (TARGET_EXPAND_BUILTIN): New macro.
3852 (TARGET_INITIALIZER): Add them.
3853 * builtins.c: Include target.h.
3854 (expand_builtin): Use targetm.expand_builtin.
3855 (default_init_builtins): New function.
3856 (default_expand_builtin): New function.
3857 * expr.h (default_init_builtins): Declare.
3858 (default_expand_builtin): Declare.
3859 * c-common.c (c_common_nodes_and_builtins): Use
3860 targetm.init_builtins.
3861 * defaults.h (MD_INIT_BUILTINS): Remove.
3862 * Makefile.in (builtins.o): Depend on target.h.
3864 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3865 (TARGET_EXPAND_BUILTIN): Define.
3866 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3867 (MD_EXPAND_BUILTIN): Remove.
3869 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3870 (TARGET_EXPAND_BUILTIN): Define.
3871 (c4x_init_builtins): Make endlink arg a local.
3872 (c4x_print_operand): Fix typos in adjust_address usages.
3873 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3874 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3875 (MD_EXPAND_BUILTIN): Remove.
3877 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3878 (TARGET_EXPAND_BUILTIN): Define.
3879 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3880 (ix86_init_builtins): Call new function only if TARGET_MMX.
3881 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3882 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3883 (MD_EXPAND_BUILTIN): Remove.
3885 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3886 (TARGET_EXPAND_BUILTIN): Define.
3887 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3888 (MD_EXPAND_BUILTIN): Remove.
3890 * doc/tm.texi: Document these changes.
3892 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3894 * basic-block.h (tree_node): Forward declare if needed.
3895 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3896 (BLOCK_HEAD_TREE): Define.
3897 (BLOCK_END_TREE): Define.
3898 (struct loops): Rename field 'tree' to 'tree_root'.
3899 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3901 (flow_loops_tree_build): Rename reference to field 'tree' to
3903 (flow_loops_level_compute): Ditto.
3904 * predict.c (estimate_bb_frequencies): Ditto.
3905 * tree.h (struct tree_common): Add field 'aux'.
3907 2001-07-09 Stan Shebs <shebs@apple.com>
3909 * config/darwin.c (darwin_encode_section_info): Don't mark any
3910 DECL_EXTERNAL node as defined.
3912 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3914 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3915 pa_free_machine_status, hppa_init_pic_save): Delete.
3916 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3917 (hppa_profile_hook): Use hppa_pic_save_rtx.
3918 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3919 hppa_init_pic_save): Delete.
3920 (hppa_pic_save_rtx): Declare.
3921 * pa.md (call, call_value, sibcall, sibcall_value,
3922 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3924 2001-07-09 Kazu Hirata <kazu@hxi.com>
3926 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3927 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3929 2001-07-09 Andreas Jaeger <aj@suse.de>
3931 * output.h: Add declaration of final_forward_branch_p.
3933 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3935 * varray.c: Include errors.h for internal_error and trim_filename
3938 * Makefile.in (varray.o): Add errors.h.
3940 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3942 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3943 * optabs.c (have_add2_insn): Check whether the add insn chosen
3944 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3945 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3947 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3949 * Makefile.in (OBJS): Add ssa-ccp.o
3950 (ssa-ccp.o): Add dependencies.
3951 * toplev.c (DFI_ssa_ccp): New dump file enum.
3952 (dump_file): Add entry for dumping after SSA CCP.
3953 (flag_ssa_ccp): New flag variable.
3954 (f_options): Add -fssa-ccp.
3955 (rest_of_compilation): Run SSA CCP if requested.
3956 * timevar.def (TV_SSA_CCP): New timevar.
3957 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3958 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3959 Fix minor typo in SSA DCE documentation.
3960 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3961 Add documentation for new dump option. Renumber dump files
3964 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3966 * emit-rtl.c (gen_highpart_mode): New.
3967 * rtl.h (gen_highpart_mode): Declare.
3968 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3969 operand can be VOIDmode constant.
3971 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3973 * flow.c (redirect_edge_and_branch_force): New.
3974 (can_fallthru): Ensure that basic blocks are succeeding.
3975 (try_optimize_cfg): Do not delete basic block if it is the last one.
3977 * flow.c (try_redirect_by_replacing_jump): Do not remove
3978 jumps with side effects, unlink chain on fallthru edge;
3979 set block for new jump instruction; avoid basic block to
3980 over by line number note.
3982 * flow.c (try_simplify_condjump): Verify that the condjump
3983 is not always falling trought.
3986 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3988 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3989 (try_redirect_by_replacing_jump): Update properly the count
3990 and frequency information.
3992 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3994 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3995 address that is a LO_SUM specially.
3996 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3998 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4000 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4001 (operand_subword): Use them.
4002 (change_address_1): Renamed from change_address; new arg VALIDATE.
4003 * expr.h: Reflect above changes; change_address now macro.
4004 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4006 * cselib.c (add_mem_for_addr): Likewise.
4007 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4008 * regmove.c (try_apply_stack_adjustment): Likewise.
4009 * reload.c (push_reload, make_memloc): Likewise.
4010 * reload1.c (eliminate_regs): Likewise.
4011 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4012 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4014 * combine.c (make_extraction, simplify_shift_const): Likewise.
4015 (gen_lowpart_for_combine): Likewise.
4016 * cse.c (gen_lowpart_if_possible): Likewise.
4017 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4018 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4019 * optabs.c (gen_move_insn): Likewise.
4020 * reload1.c (alter_reg): Likewise.
4021 * simplify-rtx.c (simplify_subreg): Likewise.
4022 * stmt.c (expand_anon_union_decl): Likewise.
4023 * recog.c (validate_replace_rtx_1): Likewise.
4025 * Makefile.in (recog.o): Add $(EXPR_H).
4026 * explow.c (stabilize): Call replace_equiv_address.
4027 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4028 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4030 2001-07-03 Andrew Haley <aph@redhat.com>
4032 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4033 the mode of the memory location.
4035 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4037 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4039 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4041 * final.c (output_addr_const): Use target opening and
4042 closing parentheses.
4043 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4044 defaults, add to TARGET_ASM_OUT.
4045 * target.h (struct gcc_target): Add open_paren and close_paren.
4046 * doc/md.texi: Update.
4047 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4048 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4049 TARGET_ASM_CLOSE_PAREN.
4050 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4052 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4054 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4055 * config/a29k/a29k.h: Similarly.
4056 * config/alpha/alpha.h: Similarly.
4057 * config/arc/arc.h: Similarly.
4058 * config/arm/aof.h: Similarly.
4059 * config/arm/aout.h: Similarly.
4060 * config/avr/avr.h: Similarly.
4061 * config/c4x/c4x.h: Similarly.
4062 * config/clipper/clipper.h: Similarly.
4063 * config/convex/convex.h: Similarly.
4064 * config/d30v/d30v.h: Similarly.
4065 * config/dsp16xx/dsp16xx.h: Similarly.
4066 * config/elxsi/elxsi.h: Similarly.
4067 * config/fr30/fr30.h: Similarly.
4068 * config/h8300/h8300.h: Similarly.
4069 * config/i370/i370.h: Similarly.
4070 * config/i386/i386.h: Similarly.
4071 * config/i860/i860.h: Similarly.
4072 * config/i960/i960.h: Similarly.
4073 * config/ia64/ia64.h: Similarly.
4074 * config/m32r/m32r.h: Similarly.
4075 * config/m68hc11/m68hc11.h: Similarly.
4076 * config/m68k/m68k.h: Similarly.
4077 * config/m88k/m88k.h: Similarly.
4078 * config/mcore/mcore.h: Similarly.
4079 * config/mips/mips.h: Similarly.
4080 * config/mn10200/mn10200.h: Similarly.
4081 * config/mn10300/mn10300.h: Similarly.
4082 * config/ns32k/ns32k.h: Similarly.
4083 * config/pa/pa.h: Similarly.
4084 * config/pdp11/pdp11.h: Similarly.
4085 * config/pj/pj.h: Similarly.
4086 * config/romp/romp.h: Similarly.
4087 * config/rs6000/rs6000.h: Similarly.
4088 * config/sh/sh.h: Similarly.
4089 * config/sparc/sparc.h: Similarly.
4090 * config/v850/v850.h: Similarly.
4091 * config/vax/vax.h: Similarly.
4092 * config/we32k/we32k.h: Similarly.
4094 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4096 * doc/c-tree.texi: Document representation of attributes.
4098 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4100 * doc/tm.texi: Update some places for the rename of target to
4103 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4105 * target.h (struct gcc_target): Add insert_attributes.
4106 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4107 (TARGET_INITIALIZER): Update.
4108 * tree.c, tree.h (default_insert_attributes): New function.
4109 Update comments on other default functions to refer to targetm,
4111 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4112 TARGET_INSERT_ATTRIBUTES.
4113 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4114 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4115 Don't use PRAGMA_INSERT_ATTRIBUTES.
4116 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4117 * c-decl.c (start_decl, start_function): Don't call
4118 SET_DEFAULT_DECL_ATTRIBUTES.
4119 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4120 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4122 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4123 (c4x_check_attribute): Avoid modifying attribute list itself.
4124 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4126 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4127 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4129 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4130 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4132 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4133 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4135 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4136 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4137 Adjust parameters. Make static.
4139 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4141 * c-common.c (decl_attributes): Only take a single attributes
4143 * c-common.h (decl_attributes): Update prototype.
4144 * c-decl.c (start_decl, start_function): Only take a single
4145 attributes parameter. Update calls to decl_attributes.
4146 (finish_struct, finish_enum): Update calls to decl_attributes.
4147 (push_parm_decl): Expect unified list of attributes. Update call
4149 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4150 notype_nested_function, component_declarator,
4151 component_notype_declarator, label): Update calls to
4153 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4154 lists that are passed to push_parm_decl.
4155 * c-tree.h (start_function, start_decl): Update prototypes.
4156 * config/sh/sh-protos.h, config/sh/sh.c
4157 (sh_pragma_insert_attributes): Only take a single attributes
4159 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4160 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4161 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4162 build_module_descriptor, generate_static_references,
4163 generate_strings, build_selector_translation_table,
4164 generate_descriptor_table, generate_protocols,
4165 generate_ivars_list, generate_dispatch_table,
4166 generate_protocol_list, generate_category,
4167 generate_shared_structures, really_start_method, add_objc_decls,
4168 generate_classref_translation_entry): Update calls to start_decl
4170 (build_tmp_function_decl, start_method_def): Unify attribute lists
4171 that are passed to push_parm_decl.
4173 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4175 * final.c (no_asm_to_stream): New.
4176 (final_scan_insn): Use target structures for prologue ends
4177 and epilogue starts.
4178 * output.h (no_asm_to_stream): New.
4179 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4180 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4181 (TARGET_ASM_OUT): Update.
4182 * target.h (struct gcc_target): New members function_end_prologue
4183 and function_begin_epilogue.
4184 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4185 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4186 * config/alpha/alpha.c (output_end_prologue): Rename to
4187 alpha_output_function_end_prologue. Use in target struct
4189 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4190 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4191 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4192 ia64_output_function_end_prologue. Use in target struct
4194 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4195 mistyped prototypes.
4196 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4197 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4199 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4200 an use in target struct, make static.
4201 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4204 2001-07-08 Richard Henderson <rth@redhat.com>
4206 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4208 2001-07-08 Richard Henderson <rth@redhat.com>
4210 * config/i386/i386.md: Remove constraints strings from define_split
4211 and define_peephole2 patterns.
4212 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4213 (eh_return): Use them.
4215 2001-07-08 Richard Henderson <rth@redhat.com>
4217 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4218 Document MD_FALLBACK_FRAME_STATE_FOR.
4220 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4222 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4223 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4225 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4227 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4229 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4230 of the label inside NAME as opposed to just the end of NAME.
4232 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4234 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4235 * config/alpha/alpha.c (alpha_init_machine_status,
4236 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4237 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4238 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4239 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4241 2001-07-06 Stan Shebs <shebs@apple.com>
4243 * target.h (targetm): Rename global from "target", so as not to
4244 conflict with local variables.
4246 * c-typeck.c: Ditto.
4250 * cp/decl2.c: Ditto.
4251 * cp/typeck.c: Ditto.
4252 * 1750a/1750a.c: Ditto.
4253 * a29k/a29k.c: Ditto.
4257 * clipper/clipper.c: Ditto.
4258 * convex/convex.c: Ditto.
4259 * d30v/d30v.c: Ditto.
4260 * dsp16xx/dsp16xx.c: Ditto.
4261 * elxsi/elxsi.c: Ditto.
4262 * fr30/fr30.c: Ditto.
4263 * h8300/h8300.c: Ditto.
4264 * i370/i370.c: Ditto.
4265 * i386/i386.c: Ditto.
4266 * i860/i860.c: Ditto.
4267 * i960/i960.c: Ditto.
4268 * ia64/ia64.c: Ditto.
4269 * m32r/m32r.c: Ditto.
4270 * m68hc11/m68hc11.c: Ditto.
4271 * m68k/m68k.c: Ditto.
4272 * m88k/m88k.c: Ditto.
4273 * mips/mips.c: Ditto.
4274 * ns32k/ns32k.c: Ditto.
4276 * pdp11/pdp11.c: Ditto.
4277 * romp/romp.c: Ditto.
4278 * rs6000/rs6000.c: Ditto.
4280 * sparc/sparc.c: Ditto.
4282 * we32k/we32k.c: Ditto.
4283 * doc/tm.texi: Update the manual to match.
4285 2001-07-06 Richard Henderson <rth@redhat.com>
4287 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4288 DWARF2_UNWIND_INFO not just whether it is defined.
4290 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4292 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4293 call to simplify_binary_operation returns a new pattern.
4295 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4297 * glimits.h (__SHRT_MAX__): New.
4298 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4299 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4301 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4303 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4306 2001-07-06 Richard Henderson <rth@redhat.com>
4308 * bitmap.c (bitmap_release_memory): Move adjacent to the
4309 allocation functions.
4310 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4311 the implementation. Binary search for the set bit.
4312 (bitmap_union_of_diff): Allocate the temporary on the stack
4313 instead of using xmalloc.
4315 2001-07-06 Richard Henderson <rth@redhat.com>
4317 * genrecog.c (validate_pattern): Warn for constraints in
4318 define_{expand,split,peephole2}. Remove strict_low_part
4319 before looking up match_dup.
4321 2001-07-06 DJ Delorie <dj@redhat.com>
4323 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4324 chapter about various build hints and history. Add section
4325 talking about the various types of native and cross builds.
4327 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4329 * Makefile.in (final.o): Depend on target.h.
4330 * final.c: Include target.h.
4331 (default_function_pro_epilogue): New.
4332 (final_start_function): Use target structure for function prologues.
4333 (final_end_function): Use target structure for function epilogues.
4334 * fold-const.c (real_hex_to_f): Constify s and p.
4335 * output.h (default_function_pro_epilogue): New.
4336 * real.h (real_hex_to_f): Update prototype.
4337 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4338 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4339 (TARGET_INITIALIZER): Update.
4340 * target.h (gcc_target): Add struct asm_out.
4341 * doc/tm.texi: Update.
4344 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4345 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4346 in cpu/cpu.c, or rename old functions consistently. Take
4347 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4348 redundant macros and prototypes. Make new functions static.
4350 * 1750a/1750a.c: Similarly.
4351 * 1750a/1750a.h: Similarly.
4352 * a29k/a29k-protos.h: Similarly.
4353 * a29k/a29k.c: Similarly.
4354 * a29k/a29k.h: Similarly.
4355 * arc/arc-protos.h: Similarly.
4356 * arc/arc.c: Similarly.
4357 * arc/arc.h: Similarly.
4358 * arm/arm-protos.h: Similarly.
4359 * arm/arm.c: Similarly.
4360 * arm/arm.h: Similarly.
4361 * avr/avr-protos.h: Similarly.
4362 * avr/avr.c: Similarly.
4363 * avr/avr.h: Similarly.
4364 * clipper/clipper-protos.h: Similarly.
4365 * clipper/clipper.c: Similarly.
4366 * clipper/clipper.h: Similarly.
4367 * convex/convex.c: Similarly.
4368 * convex/convex.h: Similarly.
4369 * d30v/d30v-protos.h: Similarly.
4370 * d30v/d30v.c: Similarly.
4371 * d30v/d30v.h: Similarly.
4372 * d30v/d30v.md: Similarly.
4373 * dsp16xx/dsp16xx-protos.h: Similarly.
4374 * dsp16xx/dsp16xx.c: Similarly.
4375 * dsp16xx/dsp16xx.h: Similarly.
4376 * elxsi/elxsi.c: Similarly.
4377 * elxsi/elxsi.h: Similarly.
4378 * fr30/fr30.c: Similarly.
4379 * fr30/fr30.md: Similarly.
4380 * h8300/h8300-protos.h: Similarly.
4381 * h8300/h8300.c: Similarly.
4382 * h8300/h8300.h: Similarly.
4383 * i370/i370-protos.h: Similarly.
4384 * i370/i370.c: Similarly.
4385 * i370/i370.h: Similarly.
4386 * i386/i386.c: Similarly.
4387 * i386/osf1elf.h: Similarly.
4388 * i386/osfrose.h: Similarly.
4389 * i860/i860-protos.h: Similarly.
4390 * i860/i860.c: Similarly.
4391 * i860/i860.h: Similarly.
4392 * i960/i960-protos.h: Similarly.
4393 * i960/i960.c: Similarly.
4394 * i960/i960.h: Similarly.
4395 * ia64/ia64-protos.h: Similarly.
4396 * ia64/ia64.c: Similarly.
4397 * ia64/ia64.h: Similarly.
4398 * m32r/m32r-protos.h: Similarly.
4399 * m32r/m32r.c: Similarly.
4400 * m32r/m32r.h: Similarly.
4401 * m68hc11/m68hc11-protos.h: Similarly.
4402 * m68hc11/m68hc11.c: Similarly.
4403 * m68hc11/m68hc11.h: Similarly.
4404 * m68k/crds.h: Similarly.
4405 * m68k/dpx2.h: Similarly.
4406 * m68k/m68k-protos.h: Similarly.
4407 * m68k/m68k.c: Similarly.
4408 * m68k/m68k.h: Similarly.
4409 * m68k/news.h: Similarly.
4410 * m88k/m88k-protos.h: Similarly.
4411 * m88k/m88k.c: Similarly.
4412 * m88k/m88k.h: Similarly.
4413 * mips/mips-protos.h: Similarly.
4414 * mips/mips.c: Similarly.
4415 * mips/mips.h: Similarly.
4416 * ns32k/merlin.h: Similarly.
4417 * ns32k/ns32k.c: Similarly.
4418 * ns32k/ns32k.h: Similarly.
4419 * ns32k/tek6000.h: Similarly.
4420 * pa/pa-protos.h: Similarly.
4421 * pa/pa.c: Similarly.
4422 * pa/pa.h: Similarly.
4423 * pdp11/2bsd.h: Similarly.
4424 * pdp11/pdp11-protos.h: Similarly.
4425 * pdp11/pdp11.c: Similarly.
4426 * pdp11/pdp11.h: Similarly.
4427 * romp/romp-protos.h: Similarly.
4428 * romp/romp.c: Similarly.
4429 * romp/romp.h: Similarly.
4430 * rs6000/rs6000-protos.h: Similarly.
4431 * rs6000/rs6000.c: Similarly.
4432 * rs6000/rs6000.h: Similarly.
4433 * rs6000/sysv4.h: Similarly.
4434 * sh/sh-protos.h: Similarly.
4435 * sh/sh.c: Similarly.
4436 * sh/sh.h: Similarly.
4437 * sparc/sparc-protos.h: Similarly.
4438 * sparc/sparc.c: Similarly.
4439 * sparc/sparc.h: Similarly.
4440 * vax/vax.c: Similarly.
4441 * vax/vax.h: Similarly.
4442 * vax/vms.h: Similarly.
4443 * we32k/we32k.c: Similarly.
4444 * we32k/we32k.h: Similarly.
4446 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4448 * basic-block.h (first_insn_after_basic_block_note): Declare.
4449 * flow.c (first_insn_after_basic_block_note): Define. Moved
4451 * ssa.c (first_insn_after_basic_block_note): Remove.
4452 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4454 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4455 nodes when we find a dead conditional branch. Insert BARRIERs
4456 after any blocks with no successors, but which do not have
4459 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4461 * varray.c (varray_check_failed): Use internal_error.
4463 2001-07-05 Andrew Haley <aph@redhat.com>
4465 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4466 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4467 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4469 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4471 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4472 reference if the target constant is also a SYMBOL_REF.
4474 2001-07-05 Eric Christopher <echristo@redhat.com>
4476 * config/mips/mips.h (MASK_MIPS3900): Remove.
4477 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4478 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4479 (TARGET_MIPS3900): Change to use mips_arch.
4480 (TARGET_MIPS4000): New.
4481 (TARGET_MIPS4100): New.
4482 (TARGET_MIPS4300): New.
4483 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4484 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4486 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4487 (ISA_HAS_BRANCHLIKELY): To here.
4488 (CC1_CPU_SPEC): New.
4489 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4490 (mips_arch_string): Declare.
4491 (mips_arch): Declare.
4492 (TARGET_OPTIONS): Add -march and -mtune.
4494 * config/mips/mips.c (mips_arch_string): New.
4496 (override_options): Handle -march for codegen and -mtune
4497 for scheduling. Use mips_arch. Move tx39 target default here.
4498 (mips_parse_cpu): Move error message to override_options.
4500 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4502 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4504 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4505 (MIPS Options): Ditto. Change mcpu entry to historical text.
4507 2001-07-05 H.J. Lu (hjl@gnu.org)
4509 * config/mips/mips.c (mips_parse_cpu): New function to parse
4512 2001-07-05 Jim Wilson <wilson@redhat.com>
4514 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4515 * config/ia64/t-ia64: Likewise.
4516 (LIB1ASMFUNCS): Update comment.
4518 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4520 * doc/install.texi (Install GCC: Binaries): Fix typo.
4522 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4524 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4525 reference using the stack pointer, adjust it since we push Y
4527 ("*ashrsi3"): Likewise.
4528 ("*lshrsi3"): Likewise.
4530 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4532 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4533 when -fomit-frame-pointer is used.
4535 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4537 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4538 (try_redirect_by_replacing_jump): Reverse updating properly the
4539 count and frequency information. Reverse removing cc0 setter.
4540 (forwarder_block_p): Reverse fixing for fallthru blocks.
4542 2001-07-05 DJ Delorie <dj@redhat.com>
4544 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4545 (translate_options): If the above is defined, use it to map
4546 given options to new options.
4547 * doc/tm.texi: Document it.
4549 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4550 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4552 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4553 cause programs using computed gotos to run more slowly.
4555 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4557 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4559 Consistently require binutils 2.11.2, not prereleases.
4560 (Specific, decstation-*): Canonicalize as mips-dec-*.
4561 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4563 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4564 (Specific, mips-*): Reword MIPS C compiler requirements.
4565 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4566 (Specific, sunv5): Removed, obsolete.
4568 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4570 * dwarf2out.c (output_loc_list): Use an all ones mask for
4571 .text asm output and don't rely on long long
4572 literals. Reformat some long lines.
4574 2001-07-05 Andreas Jaeger <aj@suse.de>
4576 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4579 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4581 * dwarf2out.c (dwarf2out_define): Update comment.
4582 (dwarf2out_undef): Ditto.
4583 (dwarf2out_start_source_file): Ditto.
4584 (dwarf2out_end_source_file): Ditto.
4585 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4586 since we never call the start/end debug hook for the primary file.
4588 2001-07-04 Kazu Hirata <kazu@hxi.com>
4590 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4593 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4595 * cppinit.c (remove_dup_dirs): Inform if a system include
4596 directory is being reordered.
4597 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4599 * doc/cpp.texi (Search Paths): Likewise.
4600 * doc/gcc.texi (Interoperation): Remove information about
4603 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4605 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4606 (VARRAY_TOP_CHAR_PTR): Likewise.
4608 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4610 * gcc.c (process_command): Don't assign elements of a const char*.
4612 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4614 * emit-rtl.c (change_address): Don't abort if invalid address while
4615 reload is in progress.
4617 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4619 * c-lex.c (cb_file_change): Pass line number to
4620 debug_start_source_file.
4621 (cb_undefine): Pass correct line number to debug_undef.
4623 * toplev.c (debug_start_source_file): Add line number to
4624 parameters. Pass it along to dwarf2out_start_source_file.
4625 (decode_g_option): Stop resetting debug level back to normal when
4626 we change debug formats, unless the current level is
4627 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4630 * toplev.h (debug_start_source_file): Add line number to
4633 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4636 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4638 Output debug_macinfo data for starting file if requested.
4639 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4641 (dwarf2out_define): Output debug_macinfo data for defining a macro
4643 (dwarf2out_undef): Output debug_macinfo data for undefining a
4645 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4646 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4647 (macinfo_section_label): New. DWARF2 macro info section label.
4648 (dwarf2out_init): If we want macro info, output the start label
4650 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4651 attribute to the compilation unit die pointing to the macro info.
4653 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4655 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4656 DWARF2_DEBUGGING_INFO.
4657 (add_loc_descr_to_loc_list): Ditto.
4658 (output_loc_list): Ditto.
4659 Also, fix thinko in curr not being initialized.
4660 (gen_internal_sym): Ditto.
4662 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4664 * emit-rtl.c (replace_equiv_address): New function.
4665 * expr.h (replace_equiv_address): New declaration.
4666 * explow.c (validize_mem): Call it instead of change_address and
4667 also call if -fforce-addr and address is constant.
4668 * expr.c: Replace more calls to change_address with adjust_address
4669 and/or replace_equiv_address or to validize_mem.
4670 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4671 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4672 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4673 * config/i370/i370.md, config/i860/i860.md: Likewise.
4674 * config/i960/i960.md, config/mips/mips.c: Likewise.
4675 * config/mips/mips.md, config/pa/pa.md: Likewise.
4676 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4677 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4679 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4681 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4683 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4686 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4688 * doc/include: New directory.
4689 * doc/fdl.texi: Move to doc/include/fdl.texi.
4690 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4691 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4692 * doc/gcc.texi: Use funding.texi and gpl.texi.
4693 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4694 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4695 Update dependencies and use -I $(docdir)/include.
4697 2001-07-04 Anthony Green <green@redhat.com>
4699 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4701 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4703 * doc/install.texi (sparc64-*-*): Remove garbage.
4705 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4707 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4708 Fix typo in last change to use adjust_address.
4710 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4712 * doc/install.texi (Specific): Update information for *-*-solaris*.
4714 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4716 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4718 2001-07-03 Stan Shebs <shebs@apple.com>
4720 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4721 case for flag_no_mach_text_sections.
4722 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4723 * config/darwin.c (flag_no_mach_text_sections): Remove.
4724 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4726 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4728 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4729 and avoid checking for constant as first operand.
4730 * recog.c (find_constant_term_loc): No longer static.
4731 (adj_offettable_operand): Delete.
4732 * rtl.h (adj_offsettable_operand): Delete declaration.
4733 (find_constant_term): Add declaration.
4734 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4736 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4737 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4738 * config/i386/i386.c, config/i386/i386.md: Likewise.
4739 * config/i860/i860.c, config/i960/i960.c: Likewise.
4740 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4741 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4742 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4743 * config/mips/mips.c, config/mips/mips.md: Likewise.
4744 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4745 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4746 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4747 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4748 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4749 * config/ns32k/ns32k.md: Likewise.
4751 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4753 * rtl.c (copy_rtx): Handle 'T' format letter.
4754 * gensupport.c (collect_insn_data): Likewise.
4755 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4757 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4759 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4760 -B option. Use 'dir' not 'foo' as example directory name.
4762 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4764 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4765 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4767 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4769 * doc/cppinternals.texi: Improve formatting and logical markup.
4771 2001-07-03 Andreas Jaeger <aj@suse.de>
4773 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4775 * genrecog.c (write_header): Include reload.h for prototypes in
4778 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4781 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4782 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4783 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4784 i386_pe_valid_type_attribute_p): Add.
4785 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4786 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4788 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4790 * explow.c (plus_constant_wide, case LO_SUM): New case.
4791 (plus_constant_for_output_wide): Delete.
4792 * rtl.h (plus_constant_for_output): Delete.
4793 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4794 instead of plus_constant_for_output.
4795 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4796 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4797 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4798 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4799 * config/sparc/sparc.md: Likewise.
4800 Convert some change_address calls to adjust_address.
4802 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4804 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4805 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4806 documentation of -std and -Wwrite-strings.
4808 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4810 * cse.c (canon_hash): Don't register registers in very small
4811 register classes, as extending their lifetime might cause
4814 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4816 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4818 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4819 (try_redirect_by_replacing_jump): Update properly the count
4820 and frequency information.
4822 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4824 * toplev.c (dump_file_index): Move SSA dumps just after first
4826 (dump_file): Corresponding changes.
4827 (rest_of_compilation): Move SSA path to just after the first
4829 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4830 * doc/invoke.texi: Update dump file #s as they were completely
4831 out of date with reality.
4833 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4835 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4837 * expr.c (emit_move_insn_1): Deal with non-default
4840 * expr.c (emit_single_push_insn): Fix warning.
4842 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4844 * expr.c (emit_move_insn_1): Avoid modifying
4845 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4847 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4849 * emit-rtl.c (adjust_address): New function.
4850 * expr.h (adjust_address): Add declaration.
4851 * builtins.c: Replace some calls to change_address with calls to it
4853 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4854 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4855 * config/arm/arm.c, config/convex/convex.c: Likewise.
4856 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4857 * config/i386/i386.c, config/i386/i386.md: Likewise.
4858 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4859 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4860 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4861 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4862 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4864 2001-07-02 Jim Wilson <wilson@redhat.com>
4866 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4868 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4870 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4871 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4873 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4875 * cppinit.c (lang_defaults): New table.
4876 (set_lang): Just read from lang_defaults into the live options
4879 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4881 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4882 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4883 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4885 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4887 * doc/install.texi: Various spelling and markup fixes.
4888 (Installing GCC): Component specific installation instructions are
4891 Warn about removing old install dir in the presence of shared libs.
4892 (Configuration): Invoke with options target to match configure
4894 Consistently refer to gas, gld pathnames.
4895 Invert --enable-multilib documentation.
4896 Remove references to old compiler versions.
4898 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4900 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4902 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4904 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4906 (Specific, mips*-sgi-irix5): Note IDO download.
4907 Reworded MIPS C hints.
4908 Use GNU as instead of GAS.
4910 Removed SGI Freeware reference, IRIX 6 only.
4911 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4912 Note N64 library requirement/workaround.
4914 Complete list of structure passing bug victims.
4916 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4918 * doc/install.texi: Remove CVS Id.
4920 2001-07-02 Andreas Jaeger <aj@suse.de>
4922 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4923 (find_inherently_necessary): Remove unused variable.
4925 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4927 * c-common.h (TDI_inlined): New ast dump phase.
4928 (dump_flag_name): New function.
4929 * c-dump.c (dump_files): Add inlined phase.
4930 (dump_flag_name): Define.
4931 * doc/invoke.texi (-fdump-ast-inlined): Document.
4933 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4935 * stor-layout.c (layout_decl): Revert change to handling of alignment
4938 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4940 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4943 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4945 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4948 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4950 * tlink.c (recompile_files): Remove COMPILER_PATH and
4951 LIBRARY_PATH from the environment.
4953 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4955 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4956 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4958 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4960 * c-parse.in (OBJC_STRING): Kill.
4961 (objc_string): Decompose to [objc_string] '@' STRING.
4962 (reswords): Take the leading '@' off all the Objective C keywords.
4963 (objc_rid_sans_at): Kill.
4964 (init_reswords): Don't initialize it.
4965 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4966 (_yylex): Kill reconsider label. Look ahead one token after
4967 an '@'; if we get an identifier, check whether it's an
4968 Objective C @-keyword. If so, return the keyword. Otherwise,
4969 put back the token and return the '@' as a terminal.
4971 * cpplib.c (lex_macro_node): Remove unnecessary check for
4972 leading '@' on identifier. Clarify control flow and commentary.
4974 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4976 * cse.c (new_label_ref): Variable deleted.
4977 (insert): Remove set of new_label_ref.
4978 (check_for_label_ref): New function.
4979 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4981 See ChangeLog.5 for earlier changes.