1 2001-08-11 Richard Henderson <rth@redhat.com>
3 * doc/extend.texi (Arrays and pointers implementation): Discourage
4 relying on sign-extension of pointers.
6 2001-08-11 H.J. Lu <hjl@gnu.org>
8 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
10 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
13 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15 * doc/install.texi (Specific, c4x): Fix cross-reference to the
16 main manual to work both for info and HTML versions.
18 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
19 Matt Kraai <kraai@alumni.carnegiemellon.edu>
21 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
22 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
23 (struct cpp_pool): New member first.
24 * cppinit.c (append_include_chain): Plug memory leaks.
25 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
26 Allocate pragma structures from the (aligned) macro pool to
28 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
29 so we don't leak memory.
30 * hashtable.c (ht_destroy): New.
31 * hashtable.h (ht_destroy): New.
33 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
34 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
36 * c-lex.c (map): Make const.
37 (cb_file_change): Update for callback passing a line map.
38 Don't assume we have a previous map. Remove sanity check
39 about popping too many files.
40 * cpperror.c (print_location): Make map const.
41 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
42 (cpp_make_system_header): Similarly.
43 (search_from): Similarly.
44 (_cpp_execute_include): Don't remember where we came from.
45 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
46 (struct cpp_reader): Make map const.
47 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
48 * cpplib.c (do_line): Update; line maps now hold sysp.
49 (cpp_push_buffer): Similarly.
50 (_cpp_do_file_change): Similarly; callback with map instead.
51 (cpp_get_line_maps): Constify return value.
52 (_cpp_pop_buffer): Update.
53 * cpplib.h (struct cpp_file_change): Remove.
54 (struct cpp_callbacks): Update.
55 (cpp_get_line_maps): Constify return value.
56 * cppmacro.c (_cpp_create_definition): Update.
57 * cppmain.c (struct printer): Constify map.
58 (maybe_print_line): Similarly.
59 (print_line): Similarly. Deduce flags 1 and 2 here.
60 (cb_file_change): Update.
61 * line-map.c (free_line_maps): Warn regardless.
62 (add_line_map): Return pointer to const. When passed NULL to_file
63 with LC_LEAVE, use the obvious values for the return point so the
64 caller doesn't have to figure them out.
65 (lookup_line): Return pointer to const.
66 (print_containing_files): Take pointer to const.
67 * line-map.h (struct line_map): New members reason, sysp.
68 (add_line_map): Return pointer to const.
69 (lookup_line): Similarly.
70 (print_containing_files): Take pointer to const.
72 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
73 Richard Henderson <rth@redhat.com>
75 * regmove.c (regmove_optimize): Avoid setting a register twice in
78 2001-08-10 Richard Henderson <rth@redhat.com>
80 * doc/extend.texi (Arrays and pointers implementation): Document
81 behavior of pointer/integer conversion.
83 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
85 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
87 2001-08-10 Richard Henderson <rth@redhat.com>
89 * doc/extend.texi (C Implementation): New chapter.
90 * doc/gcc.texi (Top): Link it in.
92 2001-08-10 Andrew Cagney <ac131313@redhat.com>
94 * doc/install.texi (Specific): Fix CVS merge botch.
96 2001-08-10 Richard Henderson <rth@redhat.com>
98 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
99 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
101 2001-08-10 Zack Weinberg <zackw@stanford.edu>
103 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
104 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
105 this macro is now required.
107 * cselib.c (cselib_process_insn), flow.c (propagate_block),
108 loop.c (find_and_verify_loops), reload.c (reload): Check
109 for rtx code of CALL_INSN, not CALL, when deciding if we
110 need to check for REG_SETJMP note.
112 * gcse.c (compute_hash_table, compute_store_table): Update
113 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
116 * config/avr/avr.c: Fix typo.
117 * config/convex/convex.c (expand_movstr): Use adjust_address.
118 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
120 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
121 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
123 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
124 Do define STACK_BOUNDARY.
125 * config/i370/i370.c: Include expr.h.
126 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
127 config/pa/som.h, config/v850/v850.h: Take in_ctors and
128 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
129 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
130 * config/m88k/m88k.c: Include c-tree.h after expr.h.
131 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
132 * config/romp/romp.c: Include expr.h after tree.h.
134 (output_fpop): Use xmalloc, not oballoc.
135 * config/we32k/we32k.c: Include expr.h.
137 2001-08-10 Kazu Hirata <kazu@hxi.com>
139 * config/h8300/h8300.h: Fix formatting.
141 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
143 * c-common.h (RETURN_NULLIFIED_P): Lose.
144 * c-semantics.c (genrtl_return_stmt): Don't check it.
146 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
148 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
149 (mips_annotate_frame_insn): New function.
150 (mips_emit_frame_related_store): New function.
151 (save_restore_insns): Don't mark instructions that set up the base
152 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
153 the store instructions instead.
154 (mips_expand_prologue): If the stack size is moved into a temporary
155 register, do not mark that move as frame-related. Add a
156 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
158 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
160 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
161 stack slot as unchanging if current_function_calls_eh_return.
163 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
165 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
166 access the second half of the TFmode scratch operand.
168 2001-08-10 Anthony Green <green@redhat.com>
170 * java/class.c (emit_register_classes): Conditionalize code on
173 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
175 * doc/install.texi (Specific, avr): Fix cross-reference to the
176 main manual to work both for info and HTML versions.
178 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
180 * stmt.c (expand_null_return_1): Remove code to generate simple returns
181 and "use_goto" argument.
182 (expand_null_return, expand_value_return): Update all callers.
183 * function.c (expand_function_end): Remove code to generate simple
185 * config/vax/vax.md (epilogue): New expander for function return.
186 * doc/md.texi (epilogue): Remove "if defined".
188 2001-08-09 Zack Weinberg <zackw@stanford.edu>
190 * Makefile.in: Partially revert my previous change:
191 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
192 of the hashtab.o and safe-ctype.o rules.
194 2001-08-09 Richard Henderson <rth@redhat.com>
196 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
197 (USE_COLLECT2): Remove duplicate definition.
198 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
199 (use_collect2): Remove dead code.
200 * configure.in (use_collect2): Remove will_use_collect2 and
201 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
202 * configure: Rebuild.
204 * target.h (targetm.asm_out.constructor): New.
205 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
206 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
207 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
208 * varasm.c (in_ctors, in_dtors): New.
209 (assemble_constructor, assemble_destructor): Remove.
210 (default_stabs_asm_out_destructor): New.
211 (default_named_section_asm_out_destructor): New.
212 (dtors_section, default_dtor_section_asm_out_destructor): New.
213 (default_stabs_asm_out_constructor): New.
214 (default_named_section_asm_out_constructor): New.
215 (ctors_section, default_ctor_section_asm_out_constructor): New.
216 * output.h: Update declarations.
217 * c-decl.c (c_expand_body): Use target hooks instead of
218 assemble_constructor and assemble_destructor.
219 * profile.c (output_func_start_profiler): Likewise.
220 * objc/objc-act.c (finish_objc): Likewise.
221 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
223 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
225 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
226 (DTORS_SECTION_ASM_OP): Likewise.
227 (__CTOR_LIST__): Use attribute section when possible.
228 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
230 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
231 ASM_OUTPUT_CONSTRUCTOR.
233 * config/darwin.c (machopic_asm_out_constructor): New.
234 (machopic_asm_out_destructor): New.
235 * config/darwin-protos.h: Update declarations.
236 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
237 (ASM_OUTPUT_DESTRUCTOR): Remove.
238 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
239 * config/nextstep.c (nextstep_asm_out_constructor): New.
240 (nextstep_asm_out_destructor): New.
241 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
242 (ASM_OUTPUT_DESTRUCTOR): Remove.
243 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
244 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
245 ASM_OUTPUT_*STRUCTOR.
246 * config/i386/aix386ng.h: Likewise.
248 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
249 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
250 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
251 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
252 * config/lynx.h: Likewise.
253 * config/netware.h: Likewise.
254 * config/psos.h: Likewise.
255 * config/alpha/alpha-interix.h: Likewise.
256 * config/alpha/elf.h: Likewise.
257 * config/arc/arc.h: Likewise.
258 * config/arm/aof.h: Likewise.
259 * config/arm/coff.h: Likewise.
260 * config/arm/elf.h: Likewise.
261 * config/c4x/c4x.h: Likewise.
262 * config/h8300/h8300.h: Likewise.
263 * config/i386/cygwin.h: Likewise.
264 * config/i386/djgpp.h: Likewise.
265 * config/i386/i386-coff.h: Likewise.
266 * config/i386/i386-interix.h: Likewise.
267 * config/i386/sco5.h: Likewise.
268 * config/i386/vsta.h: Likewise.
269 * config/i386/win32.h: Likewise.
270 * config/i960/i960-coff.h: Likewise.
271 * config/ia64/sysv4.h: Likewise.
272 * config/m68hc11/m68hc11.h: Likewise.
273 * config/m68k/coff.h: Likewise.
274 * config/m68k/mot3300.h: Likewise.
275 * config/m88k/m88k.h: Likewise.
276 * config/mcore/mcore-pe.h: Likewise.
277 * config/mcore/mcore.h: Likewise.
278 * config/mips/elf.h: Likewise.
279 * config/mips/elf64.h: Likewise.
280 * config/mips/iris6.h: Likewise.
281 * config/pa/pa64-hpux.h: Likewise.
282 * config/rs6000/sysv4.h: Likewise.
283 * config/sh/sh.h: Likewise.
284 * config/sparc/litecoff.h: Likewise.
286 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
287 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
288 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
289 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
290 (ASM_OUTPUT_DESTRUCTOR): Remove.
291 * config/a29k/a29k.c: Move include of tree.h.
292 * config/a29k/udi.h: Delete file.
293 * config/alpha/alpha.c (vms_asm_out_constructor): New.
294 (vms_asm_out_destructor): New.
295 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
296 (EXTRA_SECTION_FUNCTIONS): Likewise.
297 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
298 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
299 * config/c4x/c4x.c: Move include of tree.h.
300 * config/clipper/clipper.c (clix_asm_out_constructor): New.
301 (clix_asm_out_destructor): New.
302 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
303 (ASM_OUTPUT_DESTRUCTOR): Remove.
304 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
305 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
306 (TARGET_ASM_CONSTRUCTOR): New.
307 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
308 (sco_asm_out_constructor): New.
309 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
310 * config/i386/svr3gas.h: Remove stack grows up code.
311 Remove code duplicated from i386/sysv3.h.
312 (TARGET_ASM_CONSTRUCTOR): New.
313 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
314 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
315 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
316 (TARGET_ASM_CONSTRUCTOR): New.
317 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
318 (m68hc11_asm_out_destructor): New.
319 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
320 (TARGET_ASM_DESTRUCTOR): New.
321 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
322 * config/m68k/dpx2.h: Properly undef all the bits inherited from
323 config/svr3.h pertaining to section manipulation.
324 * config/m68k/dpx2g.h: Remove #if 0 code.
325 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
326 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
327 (ASM_OUTPUT_CONSTRUCTOR): Remove.
328 (TARGET_ASM_CONSTRUCTOR): New.
329 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
330 (m88k_svr3_asm_out_constructor): New.
331 (m88k_svr3_asm_out_destructor): New.
332 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
333 (ASM_OUTPUT_DESTRUCTOR): Remove.
334 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
335 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
336 * config/rs6000/aix.h: Likewise.
337 * config/mips/rtems64.h: Don't undef removed constructor related bits.
338 * config/mips/vxworks.h: Likewise.
339 * config/rs6000/lynx.h: Likewise.
340 * config/sh/elf.h: Likewise.
341 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
342 (DTORS_SECTION_ASM_OP): New.
343 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
344 (ASM_OUTPUT_DESTRUCTOR): Remove.
345 * config/sparc/sol2-sld-64.h: Likewise.
346 * config/vax/vax.c (vms_asm_out_constructor): New.
347 (vms_asm_out_destructor): New.
348 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
349 (ASM_OUTPUT_DESTRUCTOR): Remove.
350 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
352 * doc/tm.texi (@node Initialization): Update.
354 2001-08-09 Richard Henderson <rth@redhat.com>
356 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
357 (__do_global_dtors_aux): Use gp-relative static data to avoid
358 one dynamic relocation.
359 (__do_frame_setup): Register Java classes.
360 * config/alpha/crtend.asm (__JCR_END__): New.
362 2001-08-09 Zack Weinberg <zackw@stanford.edu>
364 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
365 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
366 (GEN, STAGESTUFF): Add new files.
367 (insn-constants.h, s-constants, tm-preds.h, s-preds,
368 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
369 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
370 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
371 as well as insn-codes.h and insn-flags.h in config.h; and no
372 extra headers in tconfig.h and hconfig.h.
374 * gencodes.c: Eliminate code to generate predicate declarations
375 or #defines for md-file constants.
376 * genconstants.c, genpreds.c: New files.
378 * i386.md: Re-order guard expressions such that TARGET_64BIT
379 comes first, when this permits better optimization. Add
380 TARGET_64BIT to more x86-64 patterns. Add comment explaining
381 why this is desirable.
383 2001-08-09 Jakub Jelinek <jakub@redhat.com>
385 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
386 (find_fde_for_dso): Remove.
387 (_Unwind_IteratePhdrCallback): New.
388 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
389 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
391 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
393 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
394 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
396 2001-08-09 Graham Stott <grahams@redhat.com>
398 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
399 (vis_no_unit): Use it.
400 (visualize_no_unit): Add the insn only if room exists.
402 2001-08-09 Graham Stott <grahams@redhat.com>
404 * predict.c (estimate_probability): Replace magic numbers with
405 appropriate enumeration.
407 2001-08-09 Graham Stott <grahams@redhat.com>
409 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
411 (EXTRACT_FLAGS): Likewise.
413 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
415 * config/mips/mips.c (mips_legitimate_address_p): Check for
416 CONST_INT in last patch.
418 2001-08-08 Anthony Green <green@redhat.com>
420 * java/class.c (emit_register_classes): Use assemble_jcr if
421 possible. Keep the original mechanism as a fallback.
422 * defaults.h (JCR_SECTION_NAME): Define if we have named section
423 and weak symbol support.
424 * crtstuff.c (__JCR_LIST__): Define.
425 (__JCR_END__): Define.
426 (_Jv_RegiserClasses): Define weak symbol if possible.
427 (__do_global_ctors_aux): Register classes for ELF targets with
430 2001-08-08 Kazu Hirata <kazu@hxi.com>
432 * dbxout.c: Fix comment formatting.
433 * dependence.c: Likewise.
435 * diagnostic.c: Likewise.
436 * dominance.c: Likewise.
437 * doprint.c: Likewise.
438 * dwarf2out.c: Likewise.
439 * dwarfout.c: Likewise.
440 * emit-rtl.c: Likewise.
441 * except.c: Likewise.
442 * explow.c: Likewise.
443 * expmed.c: Likewise.
446 * fold-const.c: Likewise.
447 * function.c: Likewise.
449 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
451 * global.c (retry_global_alloc): Avoid shadowing allocno.
453 2001-08-08 Mark Mitchell <mark@codesourcery.com>
455 * except.c (remove_fixup_regions): Fix typo.
457 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
459 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
460 unsigned HOST_WIDE_INT to avoid warning.
461 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
462 * flow.c (set_block_for_new_insns): Likewise.
464 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
466 * sibcall.c (return_value_pseudo): New static variable.
467 (skip_copy_to_return_value): Handle return_value_pseudo.
468 (call_ends_block_p): Ensure that return_value_pseudo is set.
469 (optimize_sibling_and_tail_recursive_call): Discover the
470 load of pseudo return value in alternate exit block.
472 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
474 * calls.c (ECF_ALWAYS_RETURN): New constant.
475 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
476 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
477 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
478 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
479 * rtl.c (reg_note_name): New name.
480 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
482 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
484 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
486 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
488 * alias.c (get_alias_set): Return a previously calculated
489 alias set for a VAR_DECL.
490 * function.c (gen_mem_addressof): Calculate the alias set before
493 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
495 * predict.def: Set hitrates according our experimental run.
497 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
499 * i386.h (HARD_REGNO_RENAME_OK): New macro.
501 2001-08-08 H.J. Lu <hjl@gnu.org>
503 * config/mips/mips.c (mips_unique_section): New. Copied from
506 * config/mips/mips-protos.h (mips_unique_section): New
509 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
511 * config/mips/little.h: New. Generic little endian mips
512 targets. Only mips*-*-linux* is converted to use it so far.
514 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
515 (WCHAR_TYPE): Defined
516 (WCHAR_TYPE_SIZE): Likewise.
517 (INIT_SUBTARGET_OPTABS): Likewise.
518 (BSS_SECTION_ASM_OP): Likewise.
519 (SBSS_SECTION_ASM_OP): Likewise.
520 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
521 (ASM_DECLARE_OBJECT_NAME): Likewise.
522 (UNIQUE_SECTION): Likewise.
523 (EXTRA_SECTIONS): Likewise.
524 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
525 (ASM_OUTPUT_DESTRUCTOR): Likewise.
526 (ASM_OUTPUT_DEF): Likewise.
527 (HANDLE_SYSV_PRAGMA): Removed.
528 (NO_IMPLICIT_EXTERN_C): Likewise.
529 (TARGET_MEM_FUNCTIONS): Likewise.
530 (STARTFILE_SPEC): Likewise.
531 (ENDFILE_SPEC): Likewise.
532 (LIB_SPEC): Likewise.
533 (INVOKE__main): Likewise.
534 (CTOR_LIST_BEGIN): Likewise.
535 (CTOR_LIST_END): Likewise.
536 (DTOR_LIST_BEGIN): Likewise.
537 (DTOR_LIST_END): Likewise.
538 (SET_ASM_OP): Likewise.
539 (ASM_OUTPUT_SOURCE_LINE): Likewise.
540 (ASM_OUTPUT_DEF): Likewise.
541 (ASM_OUTPUT_IDENT): Likewise.
543 * config/mips/mips.h (ASM_SPEC): Undefine before define.
544 (CPLUSPLUS_CPP_SPEC): Likewise.
545 (ASM_APP_ON) Redefine only if not defined.
546 (ASM_APP_OFF): Likewise.
547 (ASM_OUTPUT_SOURCE_LINE): Likewise.
548 (ASM_OUTPUT_IDENT): Likewise.
550 * config.gcc: Update tm_file for Linux/mips.
552 2001-08-08 Bernd Schmidt <bernds@redhat.com>
554 * cselib.c (cselib_record_sets): If insn is predicated, turn
555 sources into IF_THEN_ELSEs.
557 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
558 Turn into define_insn_and_split.
560 * sched-deps.c: Include "cselib.h".
561 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
562 Use cselib to turn memory addresses into VALUEs.
563 (sched_analyze): Call cselib_init/cselib_finish if necessary.
564 * sched-int.h (struct sched_info): New member USE_CSELIB.
565 * sched-ebb.c (ebb_sched_info): Initialize it.
566 * sched-rgn.c (rgn_sched_info): Likewise.
567 * Makefile.in (sched-deps.o): Update dependencies.
569 * cselib.h (cselib_subst_to_values): Declare.
570 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
571 that have no value and autoincs to be handled by generating a new
574 2001-08-08 Graham Stott <grahams@redhat.com>
576 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
577 within fixed length SEQUENCE.
579 2001-08-08 Graham Stott <grahams@redhat.com>
581 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
582 (diagnostic_prefixing_rule): Likewise.
583 (diagnostic_line_cutoff): Likewise.
584 (diagnostic_kind_count): Likewise.
586 2001-08-08 Graham Stott <grahams@redhat.com>
588 * alias.c (find_base_decl): Delete redundent assignment.
590 2001-08-08 Graham Stott <grahams@redhat.com>
592 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
593 (abs): Uppercase and paranthesize macro parameter.
594 (MEM_DEPENDENCY): Add whitespace.
596 2001-08-08 Graham Stott <grahams@redhat.com>
598 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
599 failure check for CONST_INT
601 2001-08-08 Graham Stott <grahams@redhat.com>
603 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
604 (libcall_dead_p): Likewise.
606 (mark_used_regs): Constify fmt.
607 (find_use_as_address): Likewise.
609 2001-08-08 Graham Stott <grahams@redhat.com>
611 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
614 2001-08-08 Graham Stott <grahams@redhat.com>
616 * combine.c (combine_simplify_rtx): Update comment and
617 remove erroneous test.
619 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
621 * cppinit.c (cpp_finish): Pop the final buffer without comment.
622 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
623 take care to avoid multiple no-newline at EOF warnings in that
626 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
628 * calls.c (expand_call): Do not emit INSN_SETJMP note.
629 (emit_library_call_value_1): Likewise.
630 (emit_call_1): Emit REG_SETJMP note.
631 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
633 * cselib.c (cselib_process_insn): Likewise.
634 * flow.c (propagate_block): Likewise.
635 * loop.c (find_and_verify_loops): Likewise.
636 * reload.c (find_equiv_regs): Likewise.
637 * reload1.c (reload): Likewise.
638 * resource.c (mark_referenced_resources,
639 mark_set_resources): Likewise.
640 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
641 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
642 * haifa-sched.c (unlink_other_notes): Likewise.
643 (reemit_notes): Likewise.
644 * sched-ebb.c (sched_ebb): Likewise.
645 * sched-rgc.c (sched_region): Likewise.
646 * rtl.c (note_insn_name): Likewise.
647 (reg_note_name): Add REG_SETJMP
648 * rtl.h (reg_note): Add REG_SETJMP.
649 (insn_note): Remove NOTE_INSN_SETJMP.
651 * profile.c (branch_prob): Add fake edges for setjmp.
653 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
655 * config.gcc: Quote target_cpu_default2 correctly for
656 powerpc*-*-* targets.
658 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
660 * cpplib.h, line-map.h: Update comments.
661 * cppmain.c (printer_init): Move inline.
662 (maybe_print_line, print_line): Take a map pointer.
663 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
664 (cb_file_change): Don't use prior value of print.map.
666 2001-08-07 David Edelsohn <edelsohn@gnu.org>
668 * doc/install.texi: Document fine-grained multilib configuration.
670 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
672 * rtlanal.c (find_first_parameter_load): Call note_stores
673 only on the instructions.
675 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
677 * alias.c (nonlocal_mentioned_p):
678 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
679 * calls.c (emit_call_1): Likewise.
680 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
681 * cselib.c (cselib_process_insn): Likewise.
682 * df.c (df_insns_modify): Likewise.
683 * flow.c (need_fake_edge_p): Likewise.
684 (propagate_one_insn): Likewise.
685 * haifa-sched.c (reemit_notes): Likewise.
686 * integrate.c (copy_insn_list): Likewise.
687 * jump.c (delete_prior_computation): Likewise.
688 * local-alloc.c (validate_equiv_mem): Likewise.
689 * loop.c (scan_loop): Likewise.
690 * predict.c (estimate_probability): Likewise.
691 * reload.c (reload): Likewise.
692 * sched-deps (sched_analyze): Likewise.
693 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
694 * gcse.c (compute_hash_table): Likewise.
695 (mark_call): Likewise.
696 (store_killed_in_insn): Likewise.
698 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
700 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
702 2001-08-06 Richard Henderson <rth@redhat.com>
704 * varasm.c (assemble_gc_entry): Remove.
705 * output.h: Likewise.
707 2001-08-06 Richard Henderson <rth@redhat.com>
709 * varasm.c (assemble_constructor): Take a symbol_ref and a
710 priority instead of a bare string. Move priority handling
711 here from cp/decl2.c.
712 * output.h: Update decls.
714 * c-decl.c (c_expand_body): Update calls to assemble_constructor
715 and assemble_destructor.
716 * profile.c (output_func_start_profiler): Likewise.
717 * objc/objc-act.c (finish_objc): Likewise.
718 (build_module_descriptor): Return the symbol not the symbol name.
720 2001-08-06 David Edelsohn <edelsohn@gnu.org>
722 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
723 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
724 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
725 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
726 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
727 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
729 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
731 * cpperror.c (print_containing_files): Moved to line-map.c.
732 (print_location): line-map.c handles re-listing or otherwise.
733 * cpphash.h (struct lexer_state): Remove next_bol.
734 (struct cpp_buffer): Remove include_stack_listed.
735 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
736 Remove faked buffer handling.
737 (_cpp_do_file_change): Tweak.
738 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
739 * cppmain.c (struct printer): Remove filename.
740 (print_line, cb_file_change): Update accordingly.
741 * line-map.c: Include intl.h.
742 (init_line_maps): Initialize last_listed.
743 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
744 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
745 (print_containing_files): New.
746 * line-map.h (struct line_maps): New member last_listed.
747 (print_containing_files, INCLUDED_FROM): New.
748 * Makefile.in: Update.
749 * po/POTFILES.in: Add line-map.c.
751 2001-08-06 Richard Henderson <rth@redhat.com>
753 * except.c (convert_from_eh_region_ranges_1): Never mark
754 USE or CLOBBER insns as throwing.
756 * expr.c (store_constructor): Don't clobber memory targets.
758 2001-08-06 Andreas Jaeger <aj@suse.de>
760 * profile.c (branch_prob): Remove unused variable insn.
762 * Makefile.in (local-alloc.o): Add dependency on except.h.
764 * local-alloc.c: Include except.h for can_throw_internal prototype.
766 2001-08-06 Richard Henderson <rth@redhat.com>
768 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
769 * function.c (expand_main_function): Implement it.
770 * doc/tm.texi: Document it.
772 2001-08-06 Stan Shebs <shebs@apple.com>
774 * doc/install.texi: Document powerpc-*-darwin* details.
776 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
778 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
779 (ASM_CPU_SPEC): Move back to rs6000.h
780 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
782 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
784 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
787 * config/rs6000/linux64.h: Ditto.
789 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
790 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
793 Remove accidently readded definitions of FUNCTION_PROLOGUE,
794 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
796 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
799 2001-08-05 Richard Henderson <rth@redhat.com>
801 * local-alloc.c (update_equiv_regs): Do not move insns that
804 2001-08-05 Jan Hubicka <jh@suse.cz>
806 * Makefile.in (reload1.o): Add dedendancy on except.h
807 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
809 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
810 indicating wehther edges has been cleaned up.
811 * reload1.c: Inlucde except.h
812 (fixup_abnormal_edges): Accept deleted insns.
813 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
816 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
818 * cpplib.c (do_line): Correct line number after pop_buffer.
820 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
823 * line-map.c: Update comments.
824 * line-map.h: Update comments.
825 * tradcif.y: Don't consider large numbers unsigned.
827 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
830 * c-lex.c (map): New.
831 (cb_file_change): Update map and use it.
832 (cb_def_pragma, cb_define, cb_undef): Use map and line.
833 (c_lex): Update to use map.
834 * cpperror.c (print_location): Move to using logical line numbers.
835 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
836 (cpp_make_system_header): Similarly.
837 (_cpp_execute_include): Stop line numbering hacks. Store the
838 line we will return to.
839 * cpphash.h (CPP_BUF_LINE): Remove.
840 (struct cpp_buffer): Remove lineno and pseudo_newlines.
841 Add map and return_to_line.
842 (_cpp_do_file_change): Update.
843 * cppinit.c (cpp_start_read): Update line kludge.
844 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
845 (trigraph_ok): Use logical line numbers for diagnostics.
846 (skip_block_comment): Likewise.
847 (skip_whitespace): Likewise.
848 (skip_line_comment): Use pfile->line instead.
849 (_cpp_lex_token): Update to use logical line numbering exclusively.
850 Handle BOL locally. Accept new lines in directives, but keep
851 pfile->line decremented. Diagnostics use logical lines. Update
853 * cpplib.c (SEEN_EOL): New.
854 (skip_rest_of_line, check_eol): Use it.
855 (end_directive): Increase line number when accepting the newline
856 at the end of a directive.
857 (run_directive): Simplify.
858 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
859 (_cpp_do_file_change): Update to take buffer line number as an
860 argument, and store the current map in the cpp_reader. Remove
862 (_cpp_do__Pragma): Restore output position after a _Pragma.
863 (cpp_push_buffer): Don't set output line or lineno.
864 (_cpp_pop_buffer): Transfer more info from a faked buffer.
865 Remove line kludge. Set output_line.
866 * cppmacro.c (builtin_macro): Update handling of __LINE__.
867 (parse_arg): Use logical lines.
868 (save_lookahead_token): Save EOFs too now.
869 * cppmain.c (struct printer): Fix comments.
870 (printer_init): Simplify, let caller do errors.
871 (scan_translation_unit, check_multiline_token, dump_macro): Update.
872 (maybe_print_line): Simplify.
873 (print_line): Don't print a linemarker if -P.
874 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
875 (cb_file_change): Simplify.
876 * line-map.h (LAST_SOURCE_LINE): Fix.
877 (CURRENT_LINE_MAP): New.
879 2001-08-05 Bernd Schmidt <bernds@redhat.com>
881 * doloop.c (doloop_modify_runtime): Properly compute number of
882 iterations if loop was unrolled.
884 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
885 if their CSELIB_VAL_PTRs are.
887 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
888 (setup_spill_pointers): Initialize it.
889 (spill_restore_mem): Set it.
890 (do_spill, do_restore): Use it to add REG_INC note.
891 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
893 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
894 asms if other insns are available.
896 * config/ia64/ia64.c (condop_operator): New predicate.
897 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
898 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
901 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
902 temporary register than directly using a MEM.
904 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
906 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
907 parameter in last change.
909 2001-08-04 Zack Weinberg <zackw@panix.com>
911 * sparc.md: Don't use #if inside C test expression.
913 2001-08-04 Richard Henderson <rth@redhat.com>
915 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
917 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
919 * cpphash.h (struct cpp_reader): New member directive_line.
920 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
921 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
922 do_pragma): Pass line to callbacks.
923 (start_directive): Record line of directive.
924 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
925 cb_include): Similarly.
926 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
929 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
931 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
934 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
936 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
938 * reload1.c (fixup_abnormal_edges): New static function.
941 * flow.c (need_fake_edge_p): New function.
942 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
943 avoid call insn to be very last insn in the insn stream.
945 * profile.c (branch_prob): Call flow_call_edges_add instead of
946 doing that by hand; cleanup cfg to re-merge basic blocks once
949 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
951 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
952 are also on line-map.h.
953 * cppfiles.c (stack_include_file): Update.
954 * cpphash.h (struct cpp_buffer): New member return_at_eof.
955 (_cpp_pop_buffer): New.
956 * cppinit.c (cpp_destroy, cpp_finish): Update.
957 (do_includes): Mark each buffer to return at EOF.
958 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
960 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
961 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
962 * cpplib.h (cpp_pop_buffer): Remove.
963 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
964 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
966 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
968 (do_preprocessing): Update.
969 * fix-header.c (read_scan_file): Update. No need to pop buffers.
970 * c-parse.in (_yylex): Similarly.
971 * scan-decls.c (scan_decls): Similarly.
972 * line-map.h: Update comments.
974 * objc/Make-lang.in (objc-act.o): Update dependencies.
976 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
978 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
979 and soft register for operand 0.
980 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
982 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
984 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
985 register for operand 0.
986 ("bitcmpqi_z_used"): Allow memory for operand 0.
987 (split "bitcmpqi"): New split to handle address reg as operand 1.
989 2001-08-04 Andreas Jaeger <aj@suse.de>
991 * gcse.c: Revert Daniel's last patch.
993 2001-08-03 Zack Weinberg <zackw@stanford.edu>
995 * sparc-protos.h: Add prototypes for fp_zero_operand and
997 * sh-protos.h: Add prototype for fpul_operand.
999 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1001 * doc/extend.texi (Other Builtins): Fix typo in last change.
1003 2001-08-03 Richard Henderson <rth@redhat.com>
1005 * target.h (gcc_target): Add asm_out.named_section,
1006 section_type_flags, have_named_sections.
1007 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1008 (TARGET_HAVE_NAMED_SECTIONS): New.
1009 (TARGET_SECTION_TYPE_FLAGS): New.
1011 * Makefile.in (toplev.o): Depend on TARGET_H.
1012 (varasm.o, dbxout.o): Likewise.
1013 * c-common.c (decl_attributes): Check targetm.have_named_sections
1014 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1015 * dbxout.c (dbxout_function_decl): Likewise.
1016 (dbxout_function_end): Likewise.
1017 * toplev.c (compile_file): Likewise.
1018 * varasm.c (exception_section): Likewise.
1019 * cp/decl2.c (finish_objects): Likewise.
1021 * defaults.h (EH_FRAME_SECTION): Remove.
1022 (EH_FRAME_SECTION_ASM_OP): Remove.
1023 (EH_FRAME_SECTION_NAME): New.
1024 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1025 (UNIQUE_SECTION_P): Remove.
1026 * dwarf2out.c (SECTION_FORMAT): Remove.
1027 (ASM_OUTPUT_SECTION): Remove.
1028 (output_call_frame_info): Use named_section_flags.
1029 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1030 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1031 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1032 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1033 (named_section_flags): New.
1034 (named_section): Use it and targetm.section_type_flags.
1035 (resolve_unique_section): New.
1036 (assemble_start_function): Use it.
1037 (asm_emit_uninitialised, assemble_variable): Likewise.
1038 (default_section_type_flags): New.
1039 (default_no_named_section, default_elf_asm_named_section): New.
1040 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1041 * output.h: Update varasm.c decls.
1042 (SECTION_*): New flags.
1044 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1045 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1047 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1048 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1049 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1050 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1051 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1052 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1053 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1054 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1055 * config/pa/pa64-hpux.h,
1057 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1058 (TARGET_ASM_NAMED_SECTION): New.
1059 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1060 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1061 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1062 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1063 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1064 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1065 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1066 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1067 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1068 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1069 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1070 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1071 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1072 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1073 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1074 * config/sparc/sysv4.h: Likewise.
1076 * config/nextstep.h: Error until named sections implemented.
1078 * config/a29k/a29k.c (a29k_asm_named_section): New.
1079 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1080 (vms_section_type_flags, vms_asm_named_section): New.
1081 * config/arm/arm.c (arm_elf_asm_named_section): New.
1082 * config/avr/avr.c (asm_output_section_name): Remove.
1083 * config/avr/avr-protos.h: Update.
1084 * config/c4x/c4x.c (c4x_asm_named_section): New.
1085 * config/h8300/h8300.c (h8300_asm_named_section): New.
1086 * config/i386/i386.c (sco_asm_named_section): New.
1087 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1088 (i386_pe_section_type_flags): New.
1089 (i386_pe_asm_named_section): New.
1090 * config/i386/i386-protos.h: Update.
1091 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1092 * config/mcore/mcore.c (mcore_asm_named_section): New.
1093 * config/mips/mips.c (iris6_asm_named_section): New.
1094 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1095 instead of UNIQUE_SECTION_P.
1096 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1097 (xcoff_asm_named_section): New.
1098 * config/sh/sh.c (sh_asm_named_section): New.
1099 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1101 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1102 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1103 (EH_FRAME_SECTION_NAME): New.
1104 (EXCEPTION_SECTION): New.
1105 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1106 (DEBUG_*_SECTION): Remove.
1107 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1108 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1109 (EH_FRAME_SECTION_ASM_OP): Remove.
1111 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1112 (ASM_OUTPUT_SECTION_NAME): Remove.
1113 (TARGET_ASM_NAMED_SECTION): New.
1114 (TARGET_HAVE_NAMED_SECTIONS): New.
1115 (TARGET_SECTION_TYPE_FLAGS): New.
1116 (EH_FRAME_SECTION_ASM_OP): Remove.
1117 (EH_FRAME_SECTION_NAME): New.
1119 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1121 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1122 for complex expressions when cfun == 0.
1123 * doc/extend.texi: Document that __builtin_constant_p can be
1124 used in data initializers as well as functions.
1126 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1128 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1129 variable I locally, instead of expecting a declaration in the
1132 2001-08-03 Richard Henderson <rth@redhat.com>
1134 * except.c (collect_one_action_chain): Add an explicit cleanup
1135 action if regions surrounding a catch were encoded entirely
1136 within the call-site entry.
1138 2001-08-03 Richard Henderson <rth@redhat.com>
1140 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1141 don't take REGNO of a non-register.
1143 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1145 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1146 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1147 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1148 (__gthread_mutex_init_function): New function for mutex initialization.
1150 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1152 * Makefile.in: Revert screwed up commit.
1154 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1156 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1157 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1158 merged by linker script to get a final _exit().
1159 (__do_global_dtors): New for destructor handling in specific exit
1161 (__do_global_ctors): New for constructors in specific install section.
1162 (__map_data_section): Map data sections before running constructors.
1163 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1164 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1165 (DTORS_SECTION_ASM_OP): Likewise.
1166 (CTORS_SECTION_FUNCTION): Define to force a reference to
1168 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1170 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1172 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1174 * Makefile.in: Add df.h to gcse.c dependencies.
1176 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1178 * varasm.c (output_constant_def_contents): Use for the length of a
1179 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1180 depending on which is larger.
1182 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1184 * gcse.c: Include df.h for use as a dataflow analyzer.
1186 Declaration of reg_set_info: gone.
1187 New df_analyzer variable used by store motion.
1188 (reg_set_info): Deleted.
1189 (mark_mem_regs): New function, analyze regs used by a mem.
1190 (store_ops_ok): Use dataflow analyzer results to determine if
1191 necessary regs are changed in the block.
1192 (find_moveable_store): Remove check for symbol ref, we can handle
1193 much more complex expressions now.
1194 (compute_store_table): Remove most of the code, it's unnecessary
1195 now that the dataflow analyzer records the info for us.
1196 (store_killed_after): Add parameter to say whether to do the
1197 store_ops_okay test, used to speed up testing when we already know
1198 the answer, and just want to know if the store itself was killed.
1199 (build_store_vector): Largely rewritten to calculate the various
1200 vectors properly, and somewhat optimized.
1201 (store_motion): Init the df_analyzer, get REG_DEF chains.
1202 Also handle trapping expressions (since mems almost always trap)
1203 (simple_mem): Redefine what a simple mem is.
1205 2001-08-03 DJ Delorie <dj@redhat.com>
1207 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1208 set from a constant part of the condition.
1210 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1212 * mkdeps.c (deps_add_default_target): Make local variable
1213 ``start'' a const char pointer.
1214 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1216 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1218 * doc/install.texi (Configuration): Fix markup.
1219 (Specific, i?86-*-udk): Likewise.
1220 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1222 Document --enable-threads and --enable-libgcj status.
1223 (Specific, mips-sgi-irix*): Canonicalize triples.
1224 (Specific, mips-sgi-irix5): Warn about problems with this config.
1225 Mention required GNU as patch.
1226 Native assembler problems are fixed.
1227 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1228 Document --enable-threads and --enable-libgcj status.
1230 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1232 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1235 2001-08-03 Richard Henderson <rth@redhat.com>
1237 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1240 2001-08-03 Richard Henderson <rth@redhat.com>
1242 * rtlanal.c (find_first_parameter_load): Stop if we
1243 reach a CODE_LABEL at BOUNDARY.
1245 2001-08-03 Richard Henderson <rth@redhat.com>
1247 * config/alpha/alpha.md (force_movdi): New insn.
1248 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1249 Tweek FRP marking of VMS prologue insns.
1250 * config/alpha/vms.h (EPILOGUE_USES): New.
1252 2001-08-02 Richard Henderson <rth@redhat.com>
1254 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1256 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1258 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1259 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1260 config/convex/convex.h, config/d30v/d30v.c,
1261 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1262 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1263 config/mips/mips.h, config/mn10200/mn10200.h,
1264 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1265 config/v850/v850.h, config/vax/openbsd.h,
1266 config/vax/openbsd1.h, config/vax/ultrix.h,
1267 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1268 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1269 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1270 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1271 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1272 in comments and documentation.
1274 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1278 * Makefile.in (line-map.o): New.
1279 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1280 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1281 * cpperror.c (print_containing_files): Similarly.
1282 (print_location): Update. Don't output a space before _Pragma.
1283 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1284 (stack_include_filee, cpp_make_system_header): Update.
1285 (_cpp_execute_include): Get logical line number right for calling
1286 as-yet-unterminated #include.
1287 * cpphash.h (struct cpp_reader): Add line_maps.
1288 (_cpp_do_file_change): Update.
1289 * cppinit.c (cpp_create_reader): Initialize line maps.
1290 (cpp_destroy): Destroy line maps.
1291 (cpp_start_read): Get logical line number right.
1292 * cpplex.c (parse_string): Only warn once for multi-line strings.
1293 Use boolean variable for null warning.
1294 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1296 (do_include_common): End the directive early.
1297 (do_line): Don't warn about out-of-range lines in preprocessed
1298 source. Update. Remove unused variables.
1299 (_cpp_do_file_change): Update for new line mapping.
1300 (pragma_cb): New typedef.
1301 (cpp_register_pragma): Stop looking ahead before calling the
1303 (do_pragma_system_header): End directive early.
1304 (cpp_get_line_maps): New.
1305 (cpp_pop_buffer): Fudge logical line. Update.
1306 * cpplib.h: Include line-map.h
1307 (enum cpp_fc_reason): Remove.
1308 (struct cpp_file_change): Update.
1309 (cpp_get_line_maps): New.
1310 * cppmain.c (struct_printer): New member map.
1311 (cb_file_change): Update for new mappings.
1312 * fix-header.c (cb_file_change): Similarly.
1314 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1316 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1317 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1319 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1321 * config/vax/vax.c: include expr.h.
1323 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1325 * Makefile.in ($(srcdir)/configure): Only rebuild in
1327 ($(srcdir)/config.in): Only define in maintainer mode.
1328 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1330 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1332 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1334 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1336 * gcc.c (set_collect_gcc_options): New function, split out from
1338 Ignore elided switches.
1339 (do_spec_1): Invoke before executing command.
1340 (set_input): Export.
1341 Move declaration ...
1342 * gcc.h (set_input): ... here.
1343 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1346 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1349 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1351 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1353 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1355 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1356 for the unnamed instructions it expands to.
1358 2001-08-02 Richard Henderson <rth@redhat.com>
1360 * regclass.c (call_really_used_regs): Conditionally define.
1361 (init_reg_sets_1): Don't use it if not defined.
1362 (fix_register): Similarly, don't set it.
1364 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1366 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1367 Correct comment that had been missed in the previous change.
1369 2001-08-01 Stan Shebs <shebs@apple.com>
1371 * config/darwin.c (machopic_stub_name): Try matching by name.
1372 (update_stubs): New function.
1373 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1376 2001-08-01 Richard Henderson <rth@redhat.com>
1378 * except.c (output_function_exception_table): Use assemble_align.
1379 * varasm.c (assemble_eh_label): Remove.
1380 (assemble_eh_align, assemble_eh_integer): Remove.
1382 2001-08-01 Robert Lipe <robertl@caldera.com>
1384 * dwarfout.c: Remove reference to README.DWARF.
1386 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1388 * regclass.c (call_really_used_regs): New array for registers which
1389 are actually used by a call.
1390 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1392 (fix_register): Set call_really_used too.
1393 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1394 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1396 2001-08-01 Richard Henderson <rth@redhat.com>
1398 * read-rtl.c (read_name): Consider \r whitespace.
1400 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1402 * config.gcc: Recognize powerpc-*-netbsd*.
1404 * doc/install.texi (Host/target specific installation notes for
1405 GCC): Mention powerpc-*-netbsd*.
1407 * config/rs6000/netbsd.h: New file.
1408 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1409 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1410 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1411 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1412 (TARGET_VERSION): Redefine.
1414 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1415 mcall-netbsd as a match for mcall-sysv.
1416 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1417 (ncrti.S, ncrtn.S): New targets.
1418 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1420 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1421 "netbsd' as a V4 ABI.
1422 (ASM_SPEC): Check for -mcall-netbsd.
1423 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1424 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1425 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1426 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1427 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1428 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1429 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1431 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1432 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1434 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1436 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1437 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1438 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1439 including "unwind-pe.h".
1441 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1443 * rs6000.md (define_splits): Kill unused constraints.
1445 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1446 Jan Hubicka <jh@suse.cz>
1448 * function.c (thread_prologue_and_epilogue_insns): Kill code
1449 dealing with non-existent CFG.
1451 2001-08-01 Kazu Hirata <kazu@hxi.com>
1453 * alias.c: Fix comment formatting.
1454 * bitmap.c: Likewise.
1455 * builtins.c: Likewise.
1456 * calls.c: Likewise.
1457 * c-common.c: Likewise.
1458 * c-decl.c: Likewise.
1459 * c-dump.c: Likewise.
1460 * c-lex.c: Likewise.
1461 * collect2.c: Likewise.
1462 * combine.c: Likewise.
1463 * conflict.c: Likewise.
1464 * cppfiles.c: Likewise.
1465 * cppinit.c: Likewise.
1466 * cpplex.c: Likewise.
1467 * cpplib.c: Likewise.
1468 * cppmacro.c: Likewise.
1469 * cppspec.c: Likewise.
1470 * c-pragma.c: Likewise.
1471 * crtstuff.c: Likewise.
1473 * cselib.c: Likewise.
1474 * c-semantics.c: Likewise.
1475 * c-typeck.c: Likewise.
1477 2001-08-01 H.J. Lu <hjl@gnu.org>
1479 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1481 2001-08-01 H.J. Lu <hjl@gnu.org>
1483 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1485 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1487 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1488 contextualizing Objective-C class name lookup by the lexer.
1489 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1491 (protocoldef): Add support for forward @protocol declarations.
1492 (yylexname): Suppress ObjC class name lookup in certain contexts;
1493 re-enable after lookup is complete.
1494 (_yylex): Re-enable ObjC class name lookup when certain
1495 punctuation marks are seen.
1497 * objc/objc-act.c (check_protocol_recursively): New function used
1498 for finding circular dependencies in protocols.
1499 (objc_declare_protocols): New function for handling forward
1500 @protocol declarations.
1501 (receiver_is_class_object): Detect the case when 'self' is used
1502 inside of a class method.
1503 (build_message_expr): Issue a warning if class method is desired
1504 but instance method is found instead.
1505 (conforms_to_protocol): Streamline.
1506 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1507 protocol Foo, even if 'Bar foo' does not.
1508 (check_protocols): Streamline.
1509 (start_protocol): Add checks for circular and duplicate protocol
1511 (encode_aggregate_within): For typedefs of structs, encode the
1513 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1514 (objc_declare_protocols): New prototype.
1516 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1518 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1519 * cpplex.c (handle_newline): Update prototype. Maintain logical
1521 (skip_escaped_newlines, skip_block_comment, parse_string):
1523 (_cpp_lex_token): Update, and store token position within the token.
1524 * cpplib.h (struct cpp_token): Add line and column entries.
1525 * cppmacro.c (replace_args): Position stringified tokens correctly.
1527 2001-08-01 Andreas Jaeger <aj@suse.de>
1529 * basic-block.h: Add prototype for last_loop_beg_note.
1531 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1533 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1534 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1536 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1537 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1538 expand_decl_cleanup.
1539 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1541 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1542 operand while calling simple_cst_equal.
1543 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1544 operand is the cleanup expression, the third is the RTL_EXPR.
1545 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1547 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1549 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1551 2001-07-31 matthew green <mrg@eterna.com.au>
1553 * config.gcc (i386-*-netbsdelf): New description.
1554 * config/i386/netbsd-elf.h: New file.
1556 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1558 * loop.c (check_dbra_loop): Use single_set to compute
1561 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1563 PowerPC reorg and support for powerpc64-*-linux*.
1565 Also fixes emitting of constants on 32 bit and 64 bit
1568 * config.gcc: powerpc64-*-linux* is a new target.
1569 Things that needed aix.h now also include xcoff.h
1571 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1573 Move AIX specific stuff into aix.h.
1574 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1575 with more than just XCOFF now.
1576 (SET_ASM_OP): Remove, now defined where needed.
1577 (FUNCTION_PROLOGUE): New macro definition.
1578 (FUNCTION_EPILOGUE): New macro definition.
1579 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1581 * config/rs6000/xcoff.h: New file.
1583 * config/rs6000/linux64.h: New file.
1585 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1587 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1589 * rs6000.c (print_operand_address): Handle ELF syntax.
1590 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1591 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1592 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1594 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1596 * rs6000.c (rs6000_override_options): Only disable
1597 flag_function_sections for XCOFF.
1598 (exact_log2_cint_operand): New predicate.
1599 (reg_or_{add,sub}_cint64_operand): New predicates.
1600 (add_operand): Compare CONST_INT with fewer function calls.
1601 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1602 (print_operand, case 'p'): Ensure positive operand.
1603 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1604 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1605 (PREDICATE_CODES): Add new predicates.
1606 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1607 (divsi3, modsi3): Ensure positive power-of-2.
1608 (adddi3): Use new predicate. Split 32-bit constants more
1609 correctly. Re-arrange splitter to handle any constant.
1610 (subdi3): Use new predicate.
1611 (divdi3, moddi3): Ensure positive power-of-2.
1612 (movdi): Use rs6000_emit_set_const.
1613 (load_toc_v4_pic_di): Delete.
1615 2001-07-31 Graham Stott <grahams@redhat.com>
1617 * function.c (pad_below): Revert 2001-07-26 patch.
1619 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1621 * reg-stack (convert_regs_1): Fix best edge condition.
1623 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1625 * jump.c (duplicate_loop_exit_test): Better test for jumps
1626 entering the loop; create loop pre_header.
1628 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1630 * doc/install.texi: Add s390 and s390x as new targets.
1631 * doc/invoke.texi: Add documantation of S/390 and zSeries
1633 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1635 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1637 * config/m68k/m68k.md: Replace all general_operand with
1638 nonimmediate_operand for all destinations.
1639 * config/m68k/m68k.c (not_sp_operand): Likewise.
1641 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1643 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1645 2001-07-30 Richard Henderson <rth@redhat.com>
1647 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1648 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1650 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1652 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1653 Add missing doc strings
1654 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1655 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1657 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1659 * i386.c (ix86_output_main_function_alignment_hack): New function.
1660 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1662 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1663 edges by EDGE_DFS_BACK flag.
1664 (dump_edge_info): Add dfs_back flag.
1665 * basic-block.h (EDGE_DFS_BACK): New constant.
1666 (mark_dfs_back_edges): Declare.
1667 * alias.c (loop_p): Remove.
1668 (mark_constant_function): Use mark_dfs_back_edges.
1670 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1671 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1672 (compensate_edge): Break out from ...
1673 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1674 (convert_regs_2): Set block_done once block is really done;
1675 Do updating of the predecesors counts.
1677 * toplev.c (rest_of_compilation): Recompute block_for_insn
1678 before post-reload cfg_cleanup.
1679 * function.c (thread_prologue_epilogue_insns):
1680 Call set_block_for_new_insns when emitting prologue directly.
1682 2001-07-30 Andreas Jaeger <aj@suse.de>
1684 * jump.c: Add prototype for mark_modified_reg.
1686 * cse.c (set_live_p): Add unused attribute.
1688 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1690 (scan_for_source_files): Use long for count to avoid overflow.
1691 (output_data): Likewise.
1692 (output_data): Don't use string concatatenation to silence gcc
1695 * predict.c: Fix typos and grammar.
1697 * gcse.c (insert_insn_end_bb): Remove unused variables.
1699 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1701 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1702 (attempt_auto_inc): LIkewise.
1703 (mark_used_reg): Likewise.
1704 (try_pre_increment_1): Likewise.
1705 * regclass.c (regclass): Likewise.
1706 * global.c (allocno_compare): Update comment; change scaling factor.
1707 * local-alloc.c (QTY_CMP_PRI): Likewise.
1708 * regs.h (REG_FREQ_FROM_BB): New.
1709 (REG_FREQ_MAX): Likewise.
1711 2001-07-30 H.J. Lu <hjl@gnu.org>
1713 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1716 2001-07-30 H.J. Lu (hjl@gnu.org)
1718 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1719 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1720 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1722 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1724 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1725 as -mthumb-interwork when -mcpu=arm7 is specified.
1727 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1729 * predict.def (noreturn, loop branch, loop exit): Mark as first
1732 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1734 * combine.c (try_combine): Avoid barrier after noop jumps.
1736 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1738 * cpphash.h (struct cpp_reader): Remove import_warning.
1739 * cpplib.c (skip_rest_of_line): Don't bother turning off
1741 (parse_include): Move include handling to...
1742 (do_include_common): ... here. Move import warning from...
1743 (do_import): ... here.
1744 (do_pragma_poison): Don't do a callback for poison identifiers.
1745 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1746 * cppmain.c (setup_callbacks): Similarly.
1748 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1750 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1751 handle multiple sets.
1752 * except.c (sjlj_mark_call_sites): .... here.
1753 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1755 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1757 Suggested by Richard Henderson and Richard Kenner:
1758 * combine.c (recog_for_combine): Use the fake recog
1759 only if instruction does not match.
1760 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1761 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1763 * combine.c (try_combine): Discover noop jump as direct jump.
1765 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1767 * df.c (df_rd_global_compute): Add successors to worklist, not
1769 (df_ru_global_compute): Ditto.
1771 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1773 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1774 increment REG_N_SETS.
1776 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1778 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1780 * sbitmap.c (sbitmap_a_xor_b): New function.
1781 ifdef the basic block stuff on IN_GCC.
1783 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1785 * cppexp.c (parse_defined): Always record the macro name.
1786 (lex): Don't worry about identifiers, or special-case
1788 (_cpp_parse_expr): Figure out at the end of the routine
1789 whether we saw a valid !defined() expression.
1790 * cppfiles.c (stack_include_file): Update for mi_valid.
1791 (_cpp_pop_file_buffer): Similarly.
1792 * cpplex.c (_cpp_lex_token): Similarly.
1793 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1794 mi_if_not_defined, mi_lexed): Remove.
1796 * cpplib.c (do_if): Simplify.
1797 (do_endif, push_conditional, _cpp_handle_directive): Update
1798 for renaming of mi_state to mi_valid.
1800 * cpp.texi: Add index entries for digraphs, and add comment
1801 that C++ refers to them as alternative tokens.
1803 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1805 * basic-block.h (CLEANUP_PRE_LOOP): New.
1806 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1807 * sibcall.c (optimize_sibling_calls): Likewise.
1808 * toplev.c (rest_of_compilation): Likewise.
1809 * flow.c (try_forward_edges): Take argument MODE;
1810 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1811 (try_optimize_cfg): Update call of try_forward_edges.
1813 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1814 Jan Hubicka <jh@suse.cz>
1816 * (validate_replace_rtx_1): Fix simplification of MINUS.
1818 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1820 PR preprocessor/3669
1821 * cppinit.c (init_dependency_output): Turn off dump requests
1822 if sending dependencies to stdout.
1824 2001-07-28 Richard Henderson <rth@redhat.com>
1826 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1829 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1831 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1833 2001-07-28 Kazu Hirata <kazu@hxi.com>
1835 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1836 is VAR_DECL first to prevent an ICE.
1838 2001-07-28 Richard Henderson <rth@redhat.com>
1840 * varasm.c (immed_real_const_1): Don't elide special cases for
1842 (clear_const_double_mem): Clear const_tiny_rtx too.
1844 2001-07-28 Richard Henderson <rth@redhat.com>
1846 * dwarf2out.c (dw_val_class_offset): New.
1847 (struct dw_ranges_struct, dw_ranges_ref): New.
1848 (ranges_table, ranges_table_allocated): New.
1849 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1850 (add_AT_offset, add_ranges, output_ranges): New.
1851 (print_die, output_die): Handle dw_val_class_offset.
1852 (attr_checksum, size_of_die, value_format): Likewise.
1853 (gen_lexical_block_die): Handle non-contiguous blocks.
1854 (gen_block_die): Likewise.
1855 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1856 if needed. Dump the ranges table.
1857 * final.c (final_start_function): Remove unnecessary notes and
1858 rebuild the block tree before numbering the blocks.
1859 * function.c (reorder_blocks_0): Walk the existing block tree
1860 to unmark all blocks.
1861 (reorder_blocks_1): Create block fragments when duplicate block
1863 (reorder_fix_fragments): New.
1864 (reorder_blocks): Call it.
1865 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1867 2001-07-28 Richard Henderson <rth@redhat.com>
1869 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1871 2001-07-28 Richard Henderson <rth@redhat.com>
1873 * flow.c (add_to_mem_set_list): New function.
1874 (init_propagate_block_info): Use it.
1875 (mark_set_1): Likewise.
1876 (insn_dead_p): Canonicalize memory address for dead store
1877 comparison. Allow wider mode stores to kill narrower mode stores.
1878 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1879 (invalidate_mems_from_set): Don't handle MEMs.
1881 2001-07-28 Kazu Hirata <kazu@hxi.com>
1883 * config/h8300/h8300.h: Fix formatting.
1885 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1887 * basic-block.h (EDGE_FREQUENCY): New macro.
1888 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1890 * flow.c (find_sub_basic_blocks): Likewise.
1891 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1892 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1894 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1895 (HITRATE): New macro.
1896 (PRED_FLAG_FIRST_MATCH): New constant.
1897 (predictor_info): New field flgags.
1898 (combine_predictions_for_insn): Use DS theory to combine
1899 probabilities; set the edge probabilities when finished.
1900 (estimate_probability): Avoid duplicated matches
1901 of LOOP_BRANCH heuristics for nested loops; update comment.
1902 * predict.def: Add flags for each prediction, set probabilities
1903 according to B&L paper.
1904 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1906 * profile.c (compute_branch_probabilities): Cleanup way the edge
1907 probabilities are computed and REG_BR_PROB notes are dropped; if
1908 values does not match, emit error.
1909 (init_branch_prob): Do error instead of warning when profile driven
1910 feedback is missing or corrupt.
1912 2001-07-27 DJ Delorie <dj@redhat.com>
1914 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1915 against a constant, try to adjust the compare to have the desired
1916 constant in it so that min/max optimizations happen more often.
1918 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1920 * flow.c (last_loop_beg_note): New function.
1921 (redirect_edge_and_branch): Use it.
1922 (split_edge): Likewise.
1924 * alias.c (loop_p): Avoid uninitialized memory access.
1926 * flow.c (try_forward_edges): Avoid accessing freed memory.
1928 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1931 2001-07-26 Andrew Haley <aph@redhat.com>
1932 Joern Rennecke <amylaar@redhat.com>
1934 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
1935 (SUBTARGET_CPP_ENDIAN_SPEC): New.
1936 (SUBTARGET_CPP_SPEC): New.
1938 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
1939 (SUBTARGET_CPP_PTR_SPEC): New.
1940 (CPP_DEFAULT_CPU_SPEC): New.
1941 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
1942 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1943 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
1944 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1945 (SUBTARGET_CPP_SPEC): Define as an empty string.
1947 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1949 * doc/install.texi (Configuration): Properly link the host
1950 specific instructions also when generating HTML.
1952 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1954 * flow.c (redirect_edge_and_branch_force): Test
1955 target->global_live_at_start.
1957 2001-07-26 Richard Henderson <rth@redhat.com>
1959 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1960 * rtl.h (avoid_constant_pool_reference): Declare it.
1961 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1962 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1964 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1966 * rtl.h (cleanup_barriers): Declare.
1967 * jump.c (cleanup_barriers): New function.
1968 * toplev.c (rest_of_compilation): Call cleanup_barriers
1969 before loop optimizer and after bb_reorder.
1971 * flow.c (back_edge_of_syntactic_loop_p): New.
1972 (split_edge): Use it.
1974 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1976 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1978 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1980 * cse.c (cse_process_notes): Replace any registers if the address
1983 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1985 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1986 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1987 (propagate_block): Update prototype.
1988 * flow.c (update_life_info): Simplify the CFG and
1989 recalculate the global regs which are alive when
1990 removing dead code during a global update.
1991 (propagate_block): Return non-zero if an INSN is
1994 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1996 * Makefile.in (LIBICONV): Define.
1998 2001-07-26 Catherine Moore <clm@redhat.com>
2000 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2001 of conditional to avoid tree checking errors.
2003 2001-07-26 Kazu Hirata <kazu@hxi.com>
2005 * regmove.c (regmove_optimize): Don't replace a reg with
2006 another reg of a different mode.
2008 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2010 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2011 limit length of dependancy flush list.
2012 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2013 * sched-int.h (struct deps): Add pending_flush_length field.
2014 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2015 has 1 element in it.
2016 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2017 (sched_analyze): After a jump, if the pending memory flush list is too
2018 large, flush the pending lists.
2019 (init_deps): Initialize pending_flush_length to 0.
2020 * doc/invoke.texi (max_pending_list_length): Document parameter.
2022 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2024 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2025 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2026 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2028 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2030 * cpphash.h (struct_lexer_state): Delete was_skipping.
2031 Move skipping here from struct cpp_reader.
2032 * cpplex.c (parse_identifier): Update.
2033 (_cpp_lex_token): Don't skip tokens in a directive.
2034 * cpplib.c (struct if_stack): Update.
2035 (start_directive, end_directive): Don't change skipping state.
2036 (_cpp_handle_directive): Update.
2037 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2038 (do_else, do_endif): Update; only check for excess tokens if not
2039 in a skipped conditional block.
2040 (push_conditional): Update for new struct if_stack.
2042 2001-07-26 Graham Stott <grahams@redhat.com>
2044 * function.c (locate_and_pad_parm): Also pad initial offset
2045 so that the total argument size also includes the padding.
2047 2001-07-26 Graham Stott <grahams@redhat.com>
2049 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2050 change XSTR to XTMPL.
2052 (process_one_cond_exec): Likewise
2054 2001-07-25 Richard Henderson <rth@redhat.com>
2056 * varasm.c (assemble_variable): Create DECL_RTL before setting
2059 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2061 * predict.c (estimate_probability): Avoid duplicated predictions.
2063 * loop.c (find_and_verify_loops): Grok multiple barriers.
2065 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2067 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2069 * dbxout.c: Consistently use putc instead of fputc.
2070 (print_wide_int): New function; call instead of direct fprintf.
2071 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2072 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2073 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2074 (print_int_cst_octal): Likewise.
2075 (print_octal): Show we wrote characters.
2076 (dbxout_type): Set have_used_extensions in more places.
2078 2001-07-25 Catherine Moore <clm@redhat.com>
2080 * config/v850/v850.c (v850_va_arg): Use addr
2081 instead of valist to build incr.
2083 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2085 * flow.c (delete_dead_jumptables): New function.
2086 (life_analyzis): Call it.
2087 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2090 2001-07-25 Richard Henderson <rth@redhat.com>
2092 * except.c (reachable_handlers): Handle a region being removed
2093 out from under a RESX.
2095 2001-07-25 Richard Henderson <rth@redhat.com>
2097 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2098 swap GE/GT if it is an fp comparison.
2100 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2102 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2105 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2107 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2108 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2111 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2113 (visit_expression): When attempting to simplify an expression,
2114 retrieve any modes for arguments before they are simplified
2117 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2118 Janis Johnson <janis@us.ibm.com>
2120 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2121 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2122 pointer parameters to match documented usage of nonlocal_goto.
2123 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2124 parameters to their correct order.
2125 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2126 parameters to their correct order.
2128 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2130 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2132 2001-07-25 Jan Hubicka <jh@suse.cz>
2133 Richard Henderson <rth@redhat.com>
2135 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2137 (make_edges): New argument update_p; populate the edge cache if set.
2138 (find_basic_blocks): Update make_edges invocation.
2140 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2142 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2144 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2146 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2147 -Acpu and -Amachine.h.
2148 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2149 Corrected header to say ELF not a.out.
2150 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2151 when given -msoft-float.
2153 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2155 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2156 extra multilib parts like arm-elf.
2157 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2158 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2159 crtfini.o as extra multilib parts.
2161 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2163 * configure.in: Add rtems as a supported thread model.
2164 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2165 * configure: Rebuilt.
2167 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2169 * stor-layout.c (get_mode_alignment): make it work when
2170 BITS_PER_UNIT is not a power of two.
2171 * builtins.c (get_pointer_alignment): Likewise.
2173 2001-07-24 Richard Henderson <rth@redhat.com>
2175 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2176 the retrieved constant into the expected mode.
2178 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2180 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2181 (verify_flow_info): Check for duplicated edges; clarify
2184 * flow.c (block_label): Update basic_block_for_insn.
2185 (commit_edge_insertions): Call compute_bb_for_insn.
2187 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2190 * flow.c (redirect_edge_and_branch,
2191 try_optimize_cfg): Use redirect_edge_succ_nodup
2192 (redirect_edge_succ_nodup): New.
2193 * basic_block.h (redirect_edge_succ_nodup): Declare.
2195 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2198 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2200 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2201 (try_crossjump_to_edge): Update commetns.
2202 (try_crossjump_bb): Likewise.
2204 2001-07-24 Richard Henderson <rth@redhat.com>
2206 * combine.c (distribute_notes): Move set of need_refresh
2207 for noop_move_p down to catch all cases.
2209 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2211 * recog.c (split_all_insns_noflow): New.
2212 * rtl.h (split_all_insns_noflow): Declare.
2213 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2214 * m68hc11.c (m68hc11_reorg): Likewise.
2215 * sh.c (machine_dependent_reorg): Likewise.
2216 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2219 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2221 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2222 (ashlsi3_n splitter): Likewise.
2223 (lshrsi3_n splitter): Likewise.
2225 (GOTaddr2picreg): Make const SImode.
2226 (sym_label2reg): Likewise.
2227 (symGOT2reg): Likewise.
2228 (symGOTOFF2reg) Likewise.
2230 (casesi_worker_0): Make unspec SImode.
2232 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2234 * config/sh/sh.c (barrier_align): Check that an operand really is
2235 an insn before extracting its INSN_CODE.
2237 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2239 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2242 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2243 for SImode to prevent overflow.
2245 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2247 * config/mips/irix6-libc-compat.c: New file.
2248 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2249 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2252 2001-07-24 lars brinkhoff <lars@nocrew.org>
2254 * rtl.texi (REG_POINTER): Document.
2255 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2256 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2258 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2260 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2262 2001-07-23 Richard Henderson <rth@redhat.com>
2264 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2266 2001-07-23 Kazu Hirata <kazu@hxi.com>
2268 * config/h8300/h8300-protos.h: Add a prototype for
2269 general_operand_dst_push.
2270 * config/h8300/h8300.c (general_operand_dst_push): New.
2271 * config/h8300/h8300.h (OK_FOR_T): New.
2272 (EXTRA_CONSTRAINT): Use it.
2273 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2274 the existing movqi pattern.
2275 (movhi_push): Likewise.
2277 * reload.c: Fix comment typos.
2279 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2281 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2283 2001-07-23 H.J. Lu (hjl@gnu.org)
2285 * doc/extend.texi: Update __builtin_return_address and
2286 __builtin_frame_address.
2288 2001-07-23 Richard Henderson <rth@redhat.com>
2290 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2292 * config/i386/i386.md: New setcc+movzbl peephole2.
2294 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2296 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2297 * objc/objc-act.c: Include debug.h.
2298 (synth_module_prologue): Save and restore debug hooks too.
2300 2001-07-23 lars brinkhoff <lars@nocrew.org>
2302 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2303 and C4X_FLOAT_FORMAT.
2304 (BOOL_TYPE_SIZE): Document.
2306 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2308 * unroll.c (loop_iterations): Fix miscalculation of initial
2311 2001-07-13 Andrew Haley <aph@redhat.com>
2313 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2314 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2315 * config/sh/sh.c (sh_can_redirect_branch): New function.
2316 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2317 * reorg.c (steal_delay_list_from_target): Use
2318 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2320 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2322 * flow.c (try_simplify_condjump): Unlink insn chain on
2323 fallthru edge; use can_fallthru.
2325 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2327 * basic-block.h (find_sub_basic_block): Declare.
2328 * flow.c (make_edges): New arguments MIN and MAX;
2329 (find_sub_basic_blocks): Revamp to use make_edges
2330 and purge_dead_edges.
2331 (find_basic_blocks): Update call of find_sub_basic_block.
2333 * recog.c (split_all_insns): Always expect CFG to be consistent;
2334 call find_sub_basic_blocks in case something has changed.
2335 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2338 * basic-block.h (delete_noop_moves): Declare.
2339 * combine.c (combine_instructions): Call it.
2340 (recog_for_combine): Tolerate noop moves
2341 (distribute_notes): Force refresh when register dies at noop move.
2342 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2344 (life_analysis): Update delete_noop_moves call.
2345 (set_noop_p): Move too ...
2346 * rtlanal.c (noop_move_p): ... here.
2347 * rtl.h (noop_move_p): Declare.
2349 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2350 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2352 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2353 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2355 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2357 * reload.c (push_reload): Fix typo in comment.
2358 (find_reloads_address): Ditto.
2359 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2361 2001-07-22 Richard Henderson <rth@redhat.com>
2363 * flow.c: Grammar check and clarify a lot of comments.
2364 (try_simplify_condjump): Rename variables to be clearer.
2365 (try_forward_edges): Skip complex and fallthru edges.
2366 Rearrange tests to avoid duplicate checks.
2367 (flow_find_cross_jump): Likewise.
2368 (outgoing_edges_match): Allow match if neither branch has
2369 probability data. Loosen probability match to 5%.
2370 (try_crossjump_to_edge): Hoist repeated indirection into
2372 (try_crossjump_bb): Don't check complex edges. Eliminate
2373 redundant crossjump tests.
2374 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2375 checks before more expensive checks.
2377 2001-07-22 Richard Henderson <rth@redhat.com>
2379 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2380 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2383 2001-07-22 Richard Henderson <rth@redhat.com>
2385 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2386 (const_sint32_operand): Likewise.
2387 * m68k.md (anon mulsi pattern): Use const_int_operand not
2388 const_sint32_operand.
2389 (umulsi3_highpart): Zero extend a constant input.
2390 (smulsi3_highpart): Don't bother checking SImode constant.
2391 (const_umulsi3_highpart): Give op3 DImode.
2392 (const_smulsi3_highpart): Likewise.
2394 2001-07-22 Richard Henderson <rth@redhat.com>
2396 * flow.c (split_block): Make sure bb_note is included in the
2397 new block when splitting before a label.
2399 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2401 * basic-block.h (redirect_edge_and_branch_force,
2402 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2403 * flow.c (redirect_edge_and_branch_force,
2404 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2405 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2406 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2407 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2408 instead of label; update CFG after transformation.
2409 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2410 for finishing the transformation; handle even case where ELSE
2411 does not follow THEN.
2412 (find_if_case_2): Update call of dead_or_predictable; simplify
2415 * emit-rtl.c (split_branch_probability): New global variable.
2416 (try_split): Take care to set split_branch_probability and
2417 create REG_BR_PROB note for new jump insns.
2418 * md.texi (define_split): Document new feature.
2420 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2422 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2424 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2425 (asm_out_file): Remove redundant declaration.
2426 (assemble_asm): Remove old #if 0 block.
2427 (assemble_variable): Remove end of function; debug output is
2428 now handled with global_decl. Remove old #if 0 block. Update.
2429 Remove saved_in_section and associated no-op code.
2430 * Makefile.in (varasm.o): Correct dependencies.
2432 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2434 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2435 the definition in defaults.h.
2437 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2439 * jump.c: Update comments.
2440 (delete_barrier_successors, delete_unreferenced_labels,
2441 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2442 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2443 jump_optimize, jump_optimize_minimal): Kill.
2444 (rebuild_jump_labels): Move code from jump_optimize_1.
2445 (purge_line_number_notes): Likewise.
2446 (copy_loop_headers): Likewise.
2447 * reg-stack.c: Update comment.
2449 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2450 JUMP_AFTER_REGSCAN): Kill.
2451 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2452 purge_line_number_notes and copy_loop_headers.
2454 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2455 Richard Henderson <rth@redhat.com>
2457 * dbxout.c (dbxout_global_decl): New.
2458 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2459 * sdbout.c (sdbout_finish): New.
2460 (sdbout_debug_hooks): Use it, add comments.
2461 (sdbout_global_decl): Defer initialised public vars to
2463 * varasm.c (assemble_variable): Don't output debug information
2464 for file-scope variables.
2466 2001-07-22 Richard Henderson <rth@redhat.com>
2468 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2469 (get_round_mode_suffix): New.
2470 (print_operand): Use them for [/]. Remove support for [&'`()+].
2471 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2472 * config/alpha/alpha.md (attr round_suffix): New.
2473 (attr trap_suffix): New.
2474 (all insns): Set them appropriately. Use %/ instead of the
2477 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2479 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2481 2001-07-22 Richard Henderson <rth@redhat.com>
2483 * regrename.c (regrename_optimize): Compute nregs for each
2484 potential target register.
2486 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2487 Richard Henderson <rth@redhat.com>
2489 * dbxout.c (dbxout_global_decl): New.
2490 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2491 * sdbout.c (sdbout_finish): New.
2492 (sdbout_debug_hooks): Use it, add comments.
2493 (sdbout_global_decl): Defer initialised public vars to
2495 * varasm.c (assemble_variable): Don't output debug information
2496 for file-scope variables.
2498 2001-07-21 H.J. Lu (hjl@gnu.org)
2500 * config/mips/mips.c (mips_cpu): Moved into ...
2501 (override_options): Here.
2503 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2505 (mips_cpu): Removed.
2507 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2509 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2510 ("iorqi3"): Likewise.
2511 ("xorqi3"): Likewise.
2512 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2513 ("*subhi3_sp): Likewise.
2514 ("*subhi3"): Likewise.
2515 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2518 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2520 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2521 * config/freebsd.h: Likewise.
2522 * config/linux.h: Likewise.
2523 * config/openbsd.h: Likewise.
2524 * config/alpha/linux-elf.h: Likewise.
2525 * config/arm/linux-elf.h: Likewise.
2526 * config/d30v/d30v.h: Likewise.
2527 * config/fr30/fr30.h: Likewise.
2528 * config/ia64/aix.h: Likewise.
2529 * config/ia64/ia64.h: Likewise.
2530 * config/mips/linux.h: Likewise.
2531 * config/pj/pj.h: Likewise.
2532 * config/rs6000/linux.h: Likewise.
2533 * config/sparc/linux.h: Likewise.
2534 * config/sparc/linux64.h: Likewise.
2536 2001-07-20 Bruce Korb <bkorb@gnu.org>
2538 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2539 because getc() and char* may disagree on signedness.
2541 2001-07-20 Richard Henderson <rth@redhat.com>
2543 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2545 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2546 insns to delete in the presence of cc0 in a jump insn.
2548 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2549 Jan Hubicka <jh@suse.cz>
2551 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2552 of doing the change by hand.
2554 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2556 * rtlanal.c (set_noop_p): Return true for noop jumps.
2558 * expr.c (emit_single_push_insn): Add call to push expander.
2559 * expr.h (optab_index): Add OTI_push
2560 (push_optab): New constant.
2561 * genopinit.c (optabs): Add push_optab.
2562 * optabs.c (init_optab): Init push optab.
2563 * md.texi (push??1): Document
2565 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2567 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2568 expand to emit the pattern; put a REG_INC note for push/pop
2570 ("movdf", "movdf_internal"): Likewise.
2571 ("movsi", "movsi_internal"): Likewise.
2572 ("movsf", "movsf_internal"): Likewise.
2573 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2575 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2577 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2580 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2582 * params.def: Change default max inline insns to 100.
2584 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2586 * combine.c (combine_simplify_rtx): Generate a new shift operation
2587 when simplifying the first operand of a (neg (ashift)) expression.
2589 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2591 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2593 2001-07-20 Kelley Cook <kelley.cook@home.com>
2595 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2596 information. Move rest into ...
2597 (*-*-solaris): ... here. Eliminate redundant information and
2598 reword necessary packages section. Delete 4.x assembler bug info.
2599 (sparc-sun-*): Merge into ...
2600 (sparc-sun-sunos*): here.
2602 2001-07-20 Catherine Moore <clm@redhat.com>
2604 * config/v850/v850.md (casesi): Generate LABEL_REF
2607 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2609 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2610 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2611 * i386.md (strclrsi expander): Use it.
2613 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2615 * integrate.c (copy_insn_list): handle
2616 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2617 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2618 identically as to CODE_LABEL.
2620 * fold-const (fold): Convert A/B/C to A/(B*C) and
2623 * except.c (connect_post_landing_pads): Delete the RESX insns.
2625 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2627 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2629 * config/mips/mips.md (nmadd/nmsub): Use macro.
2631 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2633 * cppinit.c (remove_dup_dir): Make static.
2634 (remove_dup_dirs): Make static. Only warn about preempting a
2635 system directory with a non-system directory.
2637 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2639 * ifcvt.c (noce_try_store_flag_constants): Correct order
2640 of parameters to trunc_int_for_mode.
2642 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2644 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2645 an exception that will be caught within this function, do not fill
2646 its delay slot with any subsequent instruction.
2648 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2650 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2651 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2652 pointer extension instruction.
2653 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2654 * simplify-rtx.c (simplify_unary_operation) Likewise.
2655 * explow.c (convert_memory_address) Check value of
2656 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2658 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2659 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2660 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2661 Add Multilib Support.
2662 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2663 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2664 Add Multilib Support.
2665 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2667 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2668 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2669 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2671 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2673 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2674 old and new operands in `<', `3' and `b'.
2676 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2678 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2679 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2680 (toplev.o): Don't depend on xcoffout.h.
2681 * c-decl.c: Include debug.h
2682 (duplicate_decls): Use debug hook.
2683 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2684 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2685 (dbxout_types): Remove.
2686 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2687 * debug.c (do_nothing_debug_hooks): Update.
2688 (debug_true_tree, debug_nothing_rtx): New.
2689 * debug.h (struct rtx_def): New.
2690 (struct gcc_debug_hooks): New hooks ignore_block,
2691 outlining_inline_function and label.
2692 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2693 dwarf2out_frame_finish): New.
2694 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2695 Make static, update prototype.
2696 (dwarf2_debug_hooks): Update.
2697 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2698 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2699 * dwarfout.c (dwarf_debug_hooks): Update.
2700 * emit-rtl.c: Include debug.h.
2701 (remove_unnecessary_notes): Use debug hook.
2702 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2703 (final_scan_insn): Use debug hook.
2704 * integrate.c (output_inline_function): Use debug hook.
2705 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2706 (sdb_debug_hooks): Update.
2707 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2708 * toplev.c: Don't include xcoffout.h.
2709 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2710 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2712 * tree.h (dwarf2out_do_frame): Remove.
2714 2001-07-19 Catherine Moore <clm@cygnus.com>
2716 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2718 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2720 * reload1.c (eliminate_regs_in_insn): When updating a set
2721 to the frame pointer to the hardware frame pointer, perform
2722 the update always not just when REPLACE is set.
2724 * reload1.c (choose_reload_regs): Don't inherit a reload
2725 that crosses multiple registers if registers past the first
2726 don't fit in the desired class.
2728 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2729 when negating constants.
2731 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2733 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2734 * doc/tree.texi: Ditto.
2736 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2737 Jakub Jelinek <jakub@redhat.com>
2739 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2740 (extract_cie_info): Handle "eh" augmentation properly,
2742 (struct frame_state, __frame_state_for): New.
2744 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2746 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2747 HANDLE_SYSV_PRAGMA): Define.
2748 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2750 (copy_object): Caller changed.
2752 2001-07-19 Andreas Schwab <schwab@suse.de>
2754 * configure.in (assembler dwarf2 debug_line support): Define nop
2756 * configure: Regenerated.
2758 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2760 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2762 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2763 to conditionally compiled block.
2764 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2765 * dbxout.h (dbxout_function): Remove.
2766 * debug.c (do_nothing_debug_hooks): Update.
2767 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2768 global_decl, deferred_inline_function.
2769 * dwarf2out.c (dwarf2_debug_hooks): Update.
2770 (dwarf2out_global_decl): New.
2771 * dwarfout.c: Don't include dwarfout.h.
2772 (dwarfout_global_decl, dwarfout_function_decl,
2773 dwarfout_deferred_inline_function): New.
2774 (dwarf_debug_hooks): Update.
2775 * dwarfout.h: Remove.
2776 * final.c: Don't include dwarfout.h.
2777 * sdbout.c (sdbout_global_decl): New.
2778 (sdbout_debug_hooks): Update.
2779 * toplev.c: Don't include dwarfout.h.
2780 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2781 (note_deferral_of_defined_inline_function): Remove.
2782 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2783 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2784 * ch/lex.c: Don't include dwarfout.h.
2785 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2786 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2787 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2788 * cp/optimize.c: Include debug.h.
2789 (maybe_clone_body): Use debug hook.
2790 * cp/semantics.c: Include debug.h.
2791 (expand_body): Use debug hook.
2792 * po/POTFILES.in: Remove dwarfout.h.
2794 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2796 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2797 * c-parse.in (yyerror, _yylex): Similarly.
2798 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2799 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2801 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2802 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2804 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2806 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2807 in-class declaration at -g1. Fixes c++/2814.
2809 2001-07-18 Richard Henderson <rth@redhat.com>
2811 * doc/md.texi (reload_in/out): Document restrictions in predicates
2812 and constraints for these patterns. Document empty string matching
2815 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2817 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2819 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2821 * cse.c: Undo my previous patch.
2823 2001-07-18 Tom Tromey <tromey@redhat.com>
2826 * configure: Rebuilt.
2827 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2829 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2831 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2832 Jan Hubicka <jh@suse.cz>
2834 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2835 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2836 * jump.c (mark_jump_label): Do not forward branches.
2838 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2840 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2841 when return value is unused.
2843 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2845 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2847 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2849 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2850 on error. We can't blindly return the result of
2851 pthread_mutex_trylock because it returns a positive number on
2852 error, while we must return -1 on error.
2853 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2855 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2857 2001-07-18 Andreas Jaeger <aj@suse.de>
2859 * integrate.c (output_inline_function): Correct type of debug_hooks.
2861 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2863 * combine.c (combine_simplify_rtx): DIV can be treated
2864 associatively for floats if unsafe math optimisations are enabled.
2866 2001-07-17 Richard Henderson <rth@redhat.com>
2868 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2870 2001-07-17 Richard Henderson <rth@redhat.com>
2872 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2873 don't force the function address into a register.
2874 (expand_call, emit_library_call_value_1): Update callers.
2875 * builtins.c (expand_builtin_apply): Likewise.
2876 * expr.h (prepare_call_address): Update decl.
2878 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2880 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2882 * config/i386/chorus.h: Move up.
2883 * config/sparc/chorus.h: Likewise.
2884 * config/rs6000/chorus.h: Likewise.
2885 * config/chorus.h: Moved here.
2887 2001-07-17 Andreas Schwab <schwab@suse.de>
2889 * configure.in (assembler eh_frame optimization): Handle big
2891 * configure: Regenerated.
2893 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2895 * expr.c (epxand_expr): Convert divisions into multiplications by
2896 reciprocals if -ffast-math.
2898 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2900 * dbxout.c (dbxout_really_begin_function): Rename to
2901 dbxout_begin_function.
2902 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2903 (dbxout_begin_function): Remove.
2904 (dbxout_function): Update.
2905 (dbxout_source_line): Update prototype.
2906 * dbxout.h (dbxout_begin_function): Remove.
2907 * debug.c (do_nothing_debug_hooks): Update.
2908 (debug_nothing_tree): Update.
2909 (debug_nothing_charstar_rtx): Remove.
2910 * debug.h (union tree_node): Declare.
2911 (struct rtx_def): Remove.
2912 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2913 begin_function. Change source_line prototype.
2914 (debug_nothing_tree): New.
2915 (debug_nothing_charstar_rtx): Delete.
2916 (dwarf2out_begin_prologue): Moved from ...
2918 * dwarf2out.c (dwarf2_debug_hooks): Update.
2919 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2920 debug info, call dwarf2out_source_line.
2921 (dwarf2out_souce_line): Update prototype.
2922 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2923 Change prototype, make static.
2924 (dwarfout_source_line): Update prototype.
2925 (dwarf_debug_hooks): Update.
2926 * dwarfout.h (dwarfout_begin_function): Remove.
2927 * final.c (final_start_function, final_scan_insn): Use appropriate
2928 debug hooks, update to use notice_source_line.
2929 (output_source_line): Rename notice_source_line. Don't call the
2930 source_line debug hook.
2931 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2932 make static, update prototype.
2933 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2935 (sdbout_end_prologue): New.
2936 (sdbout_source_line): Update prototype.
2937 (sdbout_debug_hooks): Update.
2938 (sdbout_symbol): Remove unused var.
2939 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2941 * varasm.c: Include debug.h.
2942 (assemble_start_function): Use begin_function debug_hook.
2943 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2944 update with prototype.
2945 (xcoffout_source_line): Update prototype.
2946 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2948 (xcoffout_source_line): Update prototype.
2950 2001-07-17 Richard Henderson <rth@redhat.com>
2952 * c-typeck.c (build_binary_op): Do not shorten unsigned
2953 right shift after sign extension.
2955 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2957 * combine.c (combine_simplify_rtx): Attempt to simplify
2958 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2960 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2961 (simplify_binary_operation, simplify_unary_operation,
2962 simplify_relational_operation): Use it.
2964 * combine.c (combine_simplify_rtx): Don't do associative law
2965 on divisions; allow associative law on floats.
2967 2001-07-17 H.J. Lu <hjl@gnu.org>
2968 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2970 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2971 ASM_OUTPUT_WEAK_ALIAS are defined.
2972 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2973 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2975 * config/mips/iris5.h: ... here.
2976 (HANDLE_SYSV_PRAGMA): Defined as 1.
2977 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2978 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2981 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2983 * c-parse.in (all_prefix_attributes): New variable.
2984 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2985 (maybe_resetattrs): New production.
2986 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2987 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2988 notype_initdcl, nested_function, notype_nested_function,
2989 component_decl, components, components_notype,
2990 component_declarator, component_notype_declarator,
2991 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2992 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2993 after a comma being applied to more than one declarator.
2994 * doc/extend.texi (Attribute Syntax): Update. Remove
2995 documentation of bugs that are no longer present.
2997 2001-07-13 Eric Christopher <echristo@redhat.com>
2999 * config/mips/mips.h: Change TUNE_MIPS* options to use
3001 (EXTRA_SPECS): Add cc1_cpu_spec.
3002 * config/mips/mips.md (muldf3): Fix typo.
3004 2001-07-16 Richard Henderson <rth@redhat.com>
3006 * config/m68k/m68k.c: Include expr.h and reload.h.
3007 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3008 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3010 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3011 Richard Henderson <rth@redhat.com>
3013 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3014 (insn_live_p): Fix fall off end of function.
3015 (dead_libcall_p): Remove COUNTS argument; update callers.
3016 (delete_trivially_dead_insns): Remove unused variables.
3018 2001-07-17 Andreas Jaeger <aj@suse.de>
3020 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3023 * lcm.c (optimize_mode_switching): Avoid warning for unused
3024 variable if !NORMAL_MODE.
3026 * flow.c (try_crossjump_to_edge): Remove unused variable.
3028 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3030 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3031 atexit declaration in stdlib.h.
3033 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3035 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3037 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3039 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3040 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3041 do rebuild_jump_labels instead of jump_optimize
3042 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3043 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3044 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3046 * flow.c: Include timevar.h
3047 (find_basic_block): Push/pop timevar;
3048 (cleanup_cfg): Likewise.
3049 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3050 * Makefile: Add dependencies on timevar.h
3052 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3053 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3055 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3056 * toplev.c (rest_of_compilation): Update calls.
3057 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3058 (delete_trivially_dead_insns): ... here; accept new argument
3059 preserve_basic_blocks; preserve basic blocks if set.
3061 * reg-stack.c (stack_regs_mentioned): Return 0 if
3062 stack_regs_mentioned_data is not initialized.
3063 (reg_to_stack): Make stack_regs_mentioned survive after the
3064 reg-stack is completted; do not call cleanup_cfg.
3065 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3066 make cleanup_cfg after bb-reorder to output to debug file.
3068 2001-07-16 Richard Henderson <rth@redhat.com>
3070 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3071 from int_reg_class_contents.
3073 2001-07-16 Richard Henderson <rth@redhat.com>
3075 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3076 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3077 (init_reg_sets_1): Move initialization from cse_main.
3078 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3079 (cse_main): Move its initialization also.
3080 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3081 * flow.c (propagate_one_insn): Likewise.
3082 * gcse.c (compute_hash_table): Likewise.
3083 (compute_kill_rd, compute_store_table): Likewise.
3084 * sched-deps.c (sched_analyze_1): Likewise.
3086 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3088 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3091 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3093 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3094 in if statement so we don't access undefined memory.
3096 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3098 * gcse.c: Update comment at top.
3099 Update comment on mem handling.
3100 mem_last_set, mem_first_set, mem_set_in_block: gone.
3101 Declaration of reg_set_info: gone.
3102 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3103 pointless with load_killed_in_block_p (they are *more*
3104 conservative then it, not less, and less accurate).
3105 (oprs_not_set_p): Ditto.
3106 (alloc_gcse_mem): Don't allocate mem_set_in_block
3107 (free_gcse_mem): Don't free it, either.
3108 (record_last_mem_set_info): Update comment in front, remove
3109 mem_*set_* stuff. Note the reason we don't handle stores directly
3111 (compute_hash_table): Update comments to reflect reality. Remove
3112 mem_*set_* references.
3113 (reset_opr_set_tables): Remove mem_*set_* references.
3115 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3116 (mark_clobber): Ditto (on both parts, we double set here too).
3117 (expr_killed_p): Remove mem_set_in_block test.
3118 (compute_transp): Remove mem_set_in_block test.
3120 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3121 of edge, and removal of phi alternative to dump file.
3122 (ssa_ccp_substitute_constants): Add note about register now being
3123 constant, and which uses were replaced in what insns to dump file.
3125 2001-07-16 Andreas Jaeger <aj@suse.de>
3127 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3128 variables of type HOST_WIDEST_INT.
3130 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3131 (__bb_exit_func): Correct type of count_max to avoid overflow.
3132 (num_digits): Handle long long argument.
3134 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3136 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3138 * output.h (sdb_begin_function_line): Restore as an extern
3140 * sdbout.c (sdb_begin_function_line): Make extern.
3142 2001-07-15 Richard Henderson <rth@redhat.com>
3144 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3145 * genrecog.c (maybe_both_true_mode): New.
3146 (maybe_both_true_2): Use it.
3147 (write_switch): Don't put Pmode in a switch.
3148 * rtl.c (mode arrays): Don't explicitly size them.
3150 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3152 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3153 handling; move unconditional splitting before mode switching.
3155 * i386.md (type): Add fistp type.
3156 (i387, length_attr, scheduling definitions): Handle this type.
3157 (fix_trunc?f?i2): Revamp to use mode switching.
3158 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3159 * i386.h (fp_cw_mode): New enum
3160 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3161 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3163 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3165 * Makefile.in (integrate.o): Add debug.h.
3166 * integrate.c (debug.h): Add.
3167 (output_inline_function): Save, reset, and restore debug_hooks.
3169 2001-07-15 Richard Henderson <rth@redhat.com>
3171 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3172 instead of COMPARE for the EQUIV expression.
3174 2001-07-15 Richard Henderson <rth@redhat.com>
3176 * flow.c (redirect_edge_and_branch_force): Initialize
3177 global_live_at_start and global_live_at_end.
3178 (allocate_bb_life_data): Export.
3179 * basic-block.h (allocate_bb_life_data): Declare.
3180 * toplev.c (rest_of_compilation): Call it.
3182 2001-07-15 Richard Henderson <rth@redhat.com>
3184 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3185 (alpha_tablejump_best_label): New.
3186 * config/alpha/alpha-protos.h: Declare them.
3187 * config/alpha/alpha.md: Use braced strings for code blocks.
3188 (tablejump_osf): Break out add with r29.
3189 (tablejump_osf_internal): Remove.
3190 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3191 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3193 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3195 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3198 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3200 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3201 (ix86_fp_jump_nontrivial_p): New.
3202 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3203 use ix86_fp_jump_nontrivial_p.
3204 * i386.c (ix86_fp_jump_nontrivial_p): New.
3205 (ix86_split_fp_branch): Accept code instead of rtx.
3206 (ix86_expand_compare): Expand comparison early in case
3207 doing so is resonably cheap.
3209 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3211 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3213 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3214 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3216 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3218 * dbxout.c (dbxout_source_line): Make static, update prototype.
3219 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3220 (dbxout_init, dbxout_finish, dbxout_source_line,
3221 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3222 * dbxout.h (dbxout_source_line): Delete.
3223 * debug.c (debug_nothing_file, debug_nothing_file_int,
3224 debug_nothing_file_charstar_rtx): New.
3225 (do_nothing_debug_hooks): Update.
3226 (debug_nothing_void, debug_nothing_charstar_rtx,
3227 dwarf2out_end_epilogue): New.
3228 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3229 * debug.h (struct rtx_def): Declare.
3230 (gcc_debug_hooks): New hooks source_line, end_epilogue
3232 (debug_nothing_void, debug_nothing_charstar_rtx,
3233 dwarf2out_end_epilogue): New.
3234 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3235 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3236 (dwarf2_debug_hooks): Update.
3237 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3238 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3239 * dwarf2out.h (dwarf2out_source_line): Remove.
3240 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3241 Make static, update prototype.
3242 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3243 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3244 (dwarf_debug_hooks): Update.
3245 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3246 dwarfout_end_function): Remove.
3247 * final.c (profile_function): Use debug hooks for ending functions
3249 (output_source_line, final_end_function): Update prototype,
3251 (final_start_function, final_scan_insn): Update.
3252 * output.h (sdb_begin_function_line): Remove.
3253 (final_end_function): Update prototype.
3254 * sdbout.c (sdb_begin_function_line): Make static.
3255 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3256 (sdbout_source_line): New.
3257 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3259 (sdb_debug_hooks): Update.
3260 (sdbout_init, sdbout_source_line,
3261 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3262 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3263 * toplev.c (compile_file, rest_of_compilation): Update.
3264 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3265 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3266 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3267 Update for prototype changes.
3268 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3269 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3271 2001-07-15 Richard Henderson <rth@redhat.com>
3273 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3274 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3275 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3276 * config/alpha/alpha.c: Likewise.
3277 * config/alpha/alpha.md: Likewise.
3278 * config/alpha/alpha32.h: Likewise.
3279 * config/alpha/vms.h: Likewise.
3282 2001-07-14 Richard Henderson <rth@redhat.com>
3284 * config/alpha/alpha.md: Use define_constants for unspec values.
3285 Substitute throughout.
3287 2001-07-14 Tim Josling <tej@melbpc.org.au>
3289 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3291 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3293 * pa.md: Remove unused constraints from define_split's.
3295 2001-04-14 Richard Henderson <rth@redhat.com>
3297 * ifcvt.c (find_cond_trap): Test for exit block.
3299 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3301 Re-install recently reverted patch.
3302 * emit-rtl.c (try_split): Update mark_jump_label call.
3303 * flow.c (find_sub_basic_blocks): Likewise.
3304 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3306 (mark_all_labels): Kill second parameter.
3307 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3308 (rebuild_jump_labels, jump_optimize_minimal): Update call
3310 (jump_optimize_1): Kill crossjumping code.
3311 (mark_jump_label): Kill cross_jump parameter.
3312 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3313 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3314 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3316 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3318 (dump_file_info): Likewise.
3319 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3320 reorganize passes to do reg-stack first, bb-reorder second.
3321 * invoke.texi (-d letters doc): Remove the jump2 pass.
3323 2001-07-14 Richard Henderson <rth@redhat.com>
3325 * ifcvt.c (find_cond_trap): New.
3326 (find_if_header): Call it.
3327 (merge_if_block): Relax existing jump sanity check.
3328 * jump.c (jump_optimize_1): Remove conditional trap handling.
3330 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3332 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3334 (insn_refs_are_delayed): Correct comment.
3335 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3336 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3337 instead of r31. Make associated insn !TARGET_64BIT, and
3338 provide an additional 64-bit insn that clobbers r2.
3340 (udivsi3): Likewise.
3342 (umodsi3): Likewise.
3344 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3346 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3348 * flow.c (redirect_edge_and_branch_force, split_edge,
3349 try_crossjump_to_edge): Use set_block_for_new_insns.
3350 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3352 2001-07-13 H.J. Lu (hjl@gnu.org)
3354 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3357 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3359 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3361 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3363 * c-common.c (decl_attributes): Take a pointer to the node to
3364 which attributes are to be attached, and a flags argument.
3365 * c-common.h (enum attribute_flags): New.
3366 (decl_attributes): Update prototype.
3367 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3368 finish_enum, start_function): Update calls to decl_attributes.
3369 * c-parse.in (component_declarator, component_notype_declarator,
3370 label): Update calls to decl_attributes.
3372 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3374 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3375 * config/avr/avr.c (legitimate_address_p): Return value changed
3376 from letter to register classes. For better debugging.
3378 2001-07-13 Kazu Hirata <kazu@hxi.com>
3380 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3382 2001-07-13 H.J. Lu (hjl@gnu.org)
3384 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3386 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3388 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3389 correctly for shared configurations.
3390 * config/t-libgcc-pic: New.
3391 * config/{i386,m68k,sparc}/t-openbsd: New.
3392 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3393 Support -shared. Support debugging libraries with -g.
3394 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3395 frame information does not emit pointer diffs.
3396 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3399 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3401 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3403 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3405 * combine.c (try_combine): Ensure const_int pow2 is positive.
3407 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3409 * config.gcc: Add configuration for s/390.
3410 * config/s390/s390.c: New. Subroutines for code generation.
3411 * config/s390/s390.h: New. Definitions for s/390.
3412 * config/s390/s390-protos.h: New. Prototypes.
3413 * config/s390/linux.h: New. Definitions for linux for s/390.
3414 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3415 * config/s390/t-linux: New. Makefile fragment.
3416 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3417 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3419 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3421 * emit-rtl.c (try_split): Update mark_jump_label call.
3422 * flow.c (find_sub_basic_blocks): Likewise.
3423 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3425 (mark_all_labels): Kill second parameter.
3426 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3427 (rebuild_jump_labels, jump_optimize_minimal): Update call
3429 (jump_optimize_1): Kill crossjumping code.
3430 (mark_jump_label): Kill cross_jump parameter.
3431 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3432 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3433 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3435 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3437 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3438 reorganize passes to do reg-stack first, bb-reorder second.
3439 * invoke.texi (-d letters doc): Remove the jump2 pass.
3441 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3443 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3445 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3447 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3449 (verify_flow_info): Make diagnostics prettier.
3451 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3453 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3455 * flow.c (outgoing_edges_match): Return early if condition reversal
3458 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3460 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3461 (mips_move_2words): When splitting a move into two instructions,
3462 prefix the second address operand with '%D'.
3464 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3466 * Makefile.in (final.o): Depend on debug.h.
3467 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3468 (dbx_debug_hooks): Add new hooks.
3469 (xcoff_debug_hooks): New.
3470 * debug.c (debug_nothing_file_int_int): New.
3471 (do_nothing_debug_hooks): Update.
3472 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3473 (debug_nothing_file_int_int): New.
3474 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3475 static, update prototype.
3476 (dwarf2_debug_hooks): Update.
3477 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3478 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3479 static, update prototype.
3480 (dwarf_debug_hooks): Update.
3481 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3482 * final.c: Include debug.h.
3483 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3484 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3485 static, update prototype.
3486 (sdb_debug_hooks): Update.
3487 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3488 * toplev.c: Distinguish between xcoff and dbx.
3490 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3491 Call all debug hooks, not just dwarf ones.
3493 2001-07-11 Timothy Wall <twall@redhat.com>
3495 * config.gcc: Add configuration for AIX5/IA64.
3496 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3497 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3498 support prefix/suffix code.
3499 * config/ia64/t-aix: New. Makefile fragment.
3500 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3502 2001-07-11 Kazu Hirata <kazu@hxi.com>
3504 * recog.c (validate_change): Fix a comment typo.
3506 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3508 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3509 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3511 * dbxout.c (dbx_debug_hooks): Add new hooks.
3512 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3514 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3516 * dbxout.h (dbxout_start_new_source_file,
3517 dbxout_resume_previous_source_file): Delete.
3518 * debug.c (do_nothing_debug_hooks): Add new hooks.
3519 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3520 (debug_nothing_int_charstar, debug_nothing_int): New.
3521 * debug.h (gcc_debug_hooks): New hooks define, undef,
3522 start_source_file and end_source_file.
3523 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3524 (debug_nothing_int_charstar, debug_nothing_int): New.
3525 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3526 the conditionally compiled section.
3527 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3528 dwarf2out_define, dwarf2out_undef): Make static.
3529 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3530 dwarf2out_define, dwarf2out_undef): Remove.
3531 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3532 (dwarfout_start_source_file, dwarfout_end_source_file,
3533 dwarfout_define, dwarfout_undef): Make static.
3534 (dwarfout_start_source_file_check,
3535 dwarfout_end_source_file_check): New.
3536 (dwarfout_define, dwarfout_finish): Update.
3537 * dwarfout.h (dwarfout_start_new_source_file,
3538 dwarfout_resume_previous_source_file, dwarfout_define,
3539 dwarfout_undef): Remove.
3540 * sdbout.c (sdb_debug_hooks): Add new hooks.
3541 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3543 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3544 make static, take an arg.
3545 * sdbout.h (sdbout_start_new_source_file,
3546 sdbout_resume_previous_source_file): Delete.
3547 * toplev.c (debug_start_source_file, debug_end_source_file,
3548 debug_define, debug_undef): Delete.
3549 * toplev.h (debug_start_source_file, debug_end_source_file,
3550 debug_define, debug_undef): Delete.
3552 * java/jcf-parse.c: Include debug.h.
3553 (parse_class_file): Update to use debug hooks directly.
3554 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3556 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3558 * alias.c (set_mem_alias_set): New function.
3559 * rtl.h (set_mem_alias_set): Declare it.
3560 * builtins.c (expand_builtin_return_addr): Call it instead of
3561 using MEM_ALIAS_SET accessor.
3562 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3563 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3564 (expand_builtin_va_copy):Likewise.
3565 * caller-save.c (setup_save_areas): Likewise.
3566 * calls.c (compute_argument_addresses): Likewise.
3567 * explow.c (set_mem_attributes): Likewise.
3568 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3569 (expand_assignment, store_constructor_field, store_field): Likewise.
3570 (expand_expr_unaligned): Likewise.
3571 * function.c (assign_stack_temp_for_type): Likewise.
3572 (put_reg_into_stack, gen_mem_addressof): Likewise.
3573 * ifcvt.c (noce_try_cmove_arith): Likewise.
3574 * reload1.c (reload, alter_reg): Likewise.
3575 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3576 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3577 (alpha_expand_unaligned_store): Likewise
3578 (alpha_expand_unaligned_load_words): Likewise.
3579 (alpha_expand_unaligned_store_words): Likewise.
3580 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3581 (alpha_expand_epilogue): Likewise.
3582 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3583 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3584 * config/i386/i386.c (legitimize_pic_address): Likewise.
3585 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3586 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3587 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3588 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3589 * config/mips/mips.c (mips_va_arg): Likewise.
3590 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3591 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3592 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3593 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3594 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3595 (rs6000_emit_epilogue): Likewise.
3596 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3597 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3598 * config/v850/v850.c (v850_va_arg): Likewise.
3600 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3602 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3603 when fallthru edge is present.
3604 (mege_blocks): Handle case where creation of jump insn
3607 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3608 CLEANUP_POST_REGSTACK): New constants.
3609 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3610 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3611 * output.h (cleanup_cfg): Update prototype.
3612 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3613 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3614 cleanup_cfg call; kill missleading comment.
3615 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3616 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3617 parameter; control optimizations performed using it.
3618 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3619 try_crossjump_bb): New functions.
3621 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3623 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3625 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3626 pa_output_function_prologue.
3627 * pa-protos.h (pa_output_function_prologue): New prototype.
3629 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3631 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3632 and low to get correct sign extension in low+high test.
3634 2001-07-11 Janis Johnson <janis@us.ibm.com>
3636 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3637 for large hit count.
3639 * profile.c (branch_prob): Fix .bbg info for computed gotos
3642 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3644 * stmt.c (parse_output_constraint): New function, split out
3646 (expand_asm_operands): ... here. Use parse_output_constraint.
3647 * tree.h (parse_output_constraint): Declare it.
3649 2001-07-11 Richard Henderson <rth@redhat.com>
3651 * bitmap.c: Comment some functions; fiddle whitespace.
3652 (bitmap_free): Don't export.
3653 (bitmap_element_allocate): Use memset.
3654 * bitmap.h (bitmap_free): Don't declare.
3656 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3658 * gcse.c, lcm.c, sched-deps.c:
3659 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3661 * flow.c (flow_loops_find): Free dom if we found no loops, since
3662 we aren't going to save it.
3664 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3667 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3669 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3671 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3673 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3674 #ifndef DWARF2_DEBUGGING_INFO.
3676 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3678 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3680 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3682 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3683 reverse a branch if a NE comparison is implemented with GTU.
3685 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3686 H.J. Lu <hjl@gnu.org>
3688 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3690 (call_internal2): Likewise.
3691 (call_value_internal1): Likewise.
3692 (call_value_internal2): Likewise.
3693 (call_value_multiple_internal1): Likewise.
3694 (call_value_multiple_internal2): Likewise.
3696 2001-07-10 Kazu Hirata <kazu@hxi.com>
3698 * calls.c (emit_library_call_value_1): Fix a comment typo.
3699 * dwarf2out.c (mem_loc_descriptor): Likewise.
3700 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3702 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3704 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3706 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3708 * recog.c (offsettable_address_p): Handle LO_SUM case.
3709 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3710 instead of plus_constant.
3712 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3714 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3715 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3717 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3719 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3720 adjust_address_nv instead of plus_constant.
3722 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3724 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3725 dwarf2out.o): Depend on debug.h, wrap long lines.
3726 * dbxout.c: Include debug.h.
3727 (dbx_debug_hooks): New.
3728 (dbxout_init): Make static, take just 2 args.
3729 (dbxout_finish): Make static.
3730 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3731 * debug.c: New file.
3732 * debug.h: New file.
3733 * dwarf2out.c: Include debug.h.
3734 (dwarf2_debug_hooks): New.
3735 (dwarf2out_init): Make static.
3736 (dwarf2out_finish): Make static, take 2 args.
3737 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3738 * dwarfout.c: Include debug.h.
3739 (dwarf_debug_hooks): New.
3740 (dwarfout_init): Make static.
3741 (dwarfout_finish): Make static, take 2 args.
3742 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3743 * sdbout.c: Include debug.h.
3744 (sdb_debug_hooks): New.
3745 (sdbout_init): Make static, take 2 args.
3746 * sdbout.h (sdbout_init): Delete.
3747 * toplev.c: Include debug.h.
3749 (compile_file): Set deubg_hooks based on command line options.
3750 Use the hooks unconditionally rather than conditional compilation.
3752 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3754 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3755 first_insn_after_basic_block_note instead.
3757 * df.c (df_bb_refs_unlink): #if 0 out for now.
3759 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3761 * ssa.h: Add prototype for ssa_const_prop
3762 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3763 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3764 (ssa_fast_dce): Remove unused variable
3766 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3768 * diagnostic.c (finish_diagnostic): Rename to
3769 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3772 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3774 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3777 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3778 (dump_file): Only pad the demangled name with spaces if the
3779 mangled name was padded with spaces.
3781 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3783 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3786 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3788 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3789 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3792 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3793 whether can put offset inside LO_SUM to check mode alignment, not size.
3795 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3797 * doc/tm.texi (Misc): Fix thinko.
3799 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3801 * regmove.c (replace_in_call_usage): Fix warnings.
3802 * sched-deps.c (add_dependence): Fix warnings.
3803 * simplify-rtx.c (simplify_subreg): Likewise.
3804 Return NULL_RTX instead of NULL.
3806 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3807 (subst_asm_stack_regs): Likewise.
3809 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3812 * dwarf2out.c (output_call_frame_info): Declare i as int.
3813 (build_abbrev_table): Declare n_alloc as int.
3814 (dwarf2out_finish): Initialize die.
3815 * except.c: Declare sjlj_funcdef_number as unsigned.
3816 (connect_post_landing_pads): Declare j as unsigned.
3817 (convert_to_eh_region_ranges): Initialize call_site.
3818 (output_function_exception_table): Initialize tt_format_size.
3819 * expr.c (move_by_pieces_1): Initialize to1.
3820 (store_constructor): Initialize minelt and maxelt.
3821 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3822 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3824 * c-decl.c (combine_parm_decls): Unused, remove.
3825 * c-tree.h: Remove prototype for combine_parm_decls.
3827 * reload.c (push_reload): Fix warning.
3828 (regno_clobbered_p): Likewise.
3829 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3830 (reload_combine): Likewise.
3832 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3833 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3835 * bitmap.c (bitmap_operation): Change user.
3836 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3838 2001-07-10 Eric Christopher <echristo@redhat.com>
3840 * config/mips/mips.c (override_options): Fix typo.
3842 2001-07-09 Stan Shebs <shebs@apple.com>
3844 * target.h (struct gcc_target): New fields init_builtins and
3846 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3847 (TARGET_EXPAND_BUILTIN): New macro.
3848 (TARGET_INITIALIZER): Add them.
3849 * builtins.c: Include target.h.
3850 (expand_builtin): Use targetm.expand_builtin.
3851 (default_init_builtins): New function.
3852 (default_expand_builtin): New function.
3853 * expr.h (default_init_builtins): Declare.
3854 (default_expand_builtin): Declare.
3855 * c-common.c (c_common_nodes_and_builtins): Use
3856 targetm.init_builtins.
3857 * defaults.h (MD_INIT_BUILTINS): Remove.
3858 * Makefile.in (builtins.o): Depend on target.h.
3860 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3861 (TARGET_EXPAND_BUILTIN): Define.
3862 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3863 (MD_EXPAND_BUILTIN): Remove.
3865 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3866 (TARGET_EXPAND_BUILTIN): Define.
3867 (c4x_init_builtins): Make endlink arg a local.
3868 (c4x_print_operand): Fix typos in adjust_address usages.
3869 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3870 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3871 (MD_EXPAND_BUILTIN): Remove.
3873 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3874 (TARGET_EXPAND_BUILTIN): Define.
3875 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3876 (ix86_init_builtins): Call new function only if TARGET_MMX.
3877 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3878 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3879 (MD_EXPAND_BUILTIN): Remove.
3881 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3882 (TARGET_EXPAND_BUILTIN): Define.
3883 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3884 (MD_EXPAND_BUILTIN): Remove.
3886 * doc/tm.texi: Document these changes.
3888 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3890 * basic-block.h (tree_node): Forward declare if needed.
3891 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3892 (BLOCK_HEAD_TREE): Define.
3893 (BLOCK_END_TREE): Define.
3894 (struct loops): Rename field 'tree' to 'tree_root'.
3895 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3897 (flow_loops_tree_build): Rename reference to field 'tree' to
3899 (flow_loops_level_compute): Ditto.
3900 * predict.c (estimate_bb_frequencies): Ditto.
3901 * tree.h (struct tree_common): Add field 'aux'.
3903 2001-07-09 Stan Shebs <shebs@apple.com>
3905 * config/darwin.c (darwin_encode_section_info): Don't mark any
3906 DECL_EXTERNAL node as defined.
3908 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3910 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3911 pa_free_machine_status, hppa_init_pic_save): Delete.
3912 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3913 (hppa_profile_hook): Use hppa_pic_save_rtx.
3914 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3915 hppa_init_pic_save): Delete.
3916 (hppa_pic_save_rtx): Declare.
3917 * pa.md (call, call_value, sibcall, sibcall_value,
3918 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3920 2001-07-09 Kazu Hirata <kazu@hxi.com>
3922 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3923 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3925 2001-07-09 Andreas Jaeger <aj@suse.de>
3927 * output.h: Add declaration of final_forward_branch_p.
3929 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3931 * varray.c: Include errors.h for internal_error and trim_filename
3934 * Makefile.in (varray.o): Add errors.h.
3936 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3938 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3939 * optabs.c (have_add2_insn): Check whether the add insn chosen
3940 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3941 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3943 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3945 * Makefile.in (OBJS): Add ssa-ccp.o
3946 (ssa-ccp.o): Add dependencies.
3947 * toplev.c (DFI_ssa_ccp): New dump file enum.
3948 (dump_file): Add entry for dumping after SSA CCP.
3949 (flag_ssa_ccp): New flag variable.
3950 (f_options): Add -fssa-ccp.
3951 (rest_of_compilation): Run SSA CCP if requested.
3952 * timevar.def (TV_SSA_CCP): New timevar.
3953 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3954 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3955 Fix minor typo in SSA DCE documentation.
3956 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3957 Add documentation for new dump option. Renumber dump files
3960 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3962 * emit-rtl.c (gen_highpart_mode): New.
3963 * rtl.h (gen_highpart_mode): Declare.
3964 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3965 operand can be VOIDmode constant.
3967 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3969 * flow.c (redirect_edge_and_branch_force): New.
3970 (can_fallthru): Ensure that basic blocks are succeeding.
3971 (try_optimize_cfg): Do not delete basic block if it is the last one.
3973 * flow.c (try_redirect_by_replacing_jump): Do not remove
3974 jumps with side effects, unlink chain on fallthru edge;
3975 set block for new jump instruction; avoid basic block to
3976 over by line number note.
3978 * flow.c (try_simplify_condjump): Verify that the condjump
3979 is not always falling trought.
3982 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3984 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3985 (try_redirect_by_replacing_jump): Update properly the count
3986 and frequency information.
3988 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3990 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3991 address that is a LO_SUM specially.
3992 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3994 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3996 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3997 (operand_subword): Use them.
3998 (change_address_1): Renamed from change_address; new arg VALIDATE.
3999 * expr.h: Reflect above changes; change_address now macro.
4000 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4002 * cselib.c (add_mem_for_addr): Likewise.
4003 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4004 * regmove.c (try_apply_stack_adjustment): Likewise.
4005 * reload.c (push_reload, make_memloc): Likewise.
4006 * reload1.c (eliminate_regs): Likewise.
4007 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4008 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4010 * combine.c (make_extraction, simplify_shift_const): Likewise.
4011 (gen_lowpart_for_combine): Likewise.
4012 * cse.c (gen_lowpart_if_possible): Likewise.
4013 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4014 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4015 * optabs.c (gen_move_insn): Likewise.
4016 * reload1.c (alter_reg): Likewise.
4017 * simplify-rtx.c (simplify_subreg): Likewise.
4018 * stmt.c (expand_anon_union_decl): Likewise.
4019 * recog.c (validate_replace_rtx_1): Likewise.
4021 * Makefile.in (recog.o): Add $(EXPR_H).
4022 * explow.c (stabilize): Call replace_equiv_address.
4023 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4024 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4026 2001-07-03 Andrew Haley <aph@redhat.com>
4028 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4029 the mode of the memory location.
4031 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4033 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4035 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4037 * final.c (output_addr_const): Use target opening and
4038 closing parentheses.
4039 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4040 defaults, add to TARGET_ASM_OUT.
4041 * target.h (struct gcc_target): Add open_paren and close_paren.
4042 * doc/md.texi: Update.
4043 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4044 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4045 TARGET_ASM_CLOSE_PAREN.
4046 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4048 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4050 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4051 * config/a29k/a29k.h: Similarly.
4052 * config/alpha/alpha.h: Similarly.
4053 * config/arc/arc.h: Similarly.
4054 * config/arm/aof.h: Similarly.
4055 * config/arm/aout.h: Similarly.
4056 * config/avr/avr.h: Similarly.
4057 * config/c4x/c4x.h: Similarly.
4058 * config/clipper/clipper.h: Similarly.
4059 * config/convex/convex.h: Similarly.
4060 * config/d30v/d30v.h: Similarly.
4061 * config/dsp16xx/dsp16xx.h: Similarly.
4062 * config/elxsi/elxsi.h: Similarly.
4063 * config/fr30/fr30.h: Similarly.
4064 * config/h8300/h8300.h: Similarly.
4065 * config/i370/i370.h: Similarly.
4066 * config/i386/i386.h: Similarly.
4067 * config/i860/i860.h: Similarly.
4068 * config/i960/i960.h: Similarly.
4069 * config/ia64/ia64.h: Similarly.
4070 * config/m32r/m32r.h: Similarly.
4071 * config/m68hc11/m68hc11.h: Similarly.
4072 * config/m68k/m68k.h: Similarly.
4073 * config/m88k/m88k.h: Similarly.
4074 * config/mcore/mcore.h: Similarly.
4075 * config/mips/mips.h: Similarly.
4076 * config/mn10200/mn10200.h: Similarly.
4077 * config/mn10300/mn10300.h: Similarly.
4078 * config/ns32k/ns32k.h: Similarly.
4079 * config/pa/pa.h: Similarly.
4080 * config/pdp11/pdp11.h: Similarly.
4081 * config/pj/pj.h: Similarly.
4082 * config/romp/romp.h: Similarly.
4083 * config/rs6000/rs6000.h: Similarly.
4084 * config/sh/sh.h: Similarly.
4085 * config/sparc/sparc.h: Similarly.
4086 * config/v850/v850.h: Similarly.
4087 * config/vax/vax.h: Similarly.
4088 * config/we32k/we32k.h: Similarly.
4090 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4092 * doc/c-tree.texi: Document representation of attributes.
4094 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4096 * doc/tm.texi: Update some places for the rename of target to
4099 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4101 * target.h (struct gcc_target): Add insert_attributes.
4102 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4103 (TARGET_INITIALIZER): Update.
4104 * tree.c, tree.h (default_insert_attributes): New function.
4105 Update comments on other default functions to refer to targetm,
4107 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4108 TARGET_INSERT_ATTRIBUTES.
4109 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4110 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4111 Don't use PRAGMA_INSERT_ATTRIBUTES.
4112 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4113 * c-decl.c (start_decl, start_function): Don't call
4114 SET_DEFAULT_DECL_ATTRIBUTES.
4115 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4116 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4118 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4119 (c4x_check_attribute): Avoid modifying attribute list itself.
4120 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4122 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4123 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4125 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4126 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4128 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4129 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4131 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4132 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4133 Adjust parameters. Make static.
4135 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4137 * c-common.c (decl_attributes): Only take a single attributes
4139 * c-common.h (decl_attributes): Update prototype.
4140 * c-decl.c (start_decl, start_function): Only take a single
4141 attributes parameter. Update calls to decl_attributes.
4142 (finish_struct, finish_enum): Update calls to decl_attributes.
4143 (push_parm_decl): Expect unified list of attributes. Update call
4145 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4146 notype_nested_function, component_declarator,
4147 component_notype_declarator, label): Update calls to
4149 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4150 lists that are passed to push_parm_decl.
4151 * c-tree.h (start_function, start_decl): Update prototypes.
4152 * config/sh/sh-protos.h, config/sh/sh.c
4153 (sh_pragma_insert_attributes): Only take a single attributes
4155 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4156 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4157 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4158 build_module_descriptor, generate_static_references,
4159 generate_strings, build_selector_translation_table,
4160 generate_descriptor_table, generate_protocols,
4161 generate_ivars_list, generate_dispatch_table,
4162 generate_protocol_list, generate_category,
4163 generate_shared_structures, really_start_method, add_objc_decls,
4164 generate_classref_translation_entry): Update calls to start_decl
4166 (build_tmp_function_decl, start_method_def): Unify attribute lists
4167 that are passed to push_parm_decl.
4169 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4171 * final.c (no_asm_to_stream): New.
4172 (final_scan_insn): Use target structures for prologue ends
4173 and epilogue starts.
4174 * output.h (no_asm_to_stream): New.
4175 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4176 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4177 (TARGET_ASM_OUT): Update.
4178 * target.h (struct gcc_target): New members function_end_prologue
4179 and function_begin_epilogue.
4180 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4181 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4182 * config/alpha/alpha.c (output_end_prologue): Rename to
4183 alpha_output_function_end_prologue. Use in target struct
4185 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4186 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4187 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4188 ia64_output_function_end_prologue. Use in target struct
4190 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4191 mistyped prototypes.
4192 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4193 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4195 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4196 an use in target struct, make static.
4197 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4200 2001-07-08 Richard Henderson <rth@redhat.com>
4202 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4204 2001-07-08 Richard Henderson <rth@redhat.com>
4206 * config/i386/i386.md: Remove constraints strings from define_split
4207 and define_peephole2 patterns.
4208 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4209 (eh_return): Use them.
4211 2001-07-08 Richard Henderson <rth@redhat.com>
4213 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4214 Document MD_FALLBACK_FRAME_STATE_FOR.
4216 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4218 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4219 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4221 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4223 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4225 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4226 of the label inside NAME as opposed to just the end of NAME.
4228 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4230 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4231 * config/alpha/alpha.c (alpha_init_machine_status,
4232 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4233 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4234 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4235 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4237 2001-07-06 Stan Shebs <shebs@apple.com>
4239 * target.h (targetm): Rename global from "target", so as not to
4240 conflict with local variables.
4242 * c-typeck.c: Ditto.
4246 * cp/decl2.c: Ditto.
4247 * cp/typeck.c: Ditto.
4248 * 1750a/1750a.c: Ditto.
4249 * a29k/a29k.c: Ditto.
4253 * clipper/clipper.c: Ditto.
4254 * convex/convex.c: Ditto.
4255 * d30v/d30v.c: Ditto.
4256 * dsp16xx/dsp16xx.c: Ditto.
4257 * elxsi/elxsi.c: Ditto.
4258 * fr30/fr30.c: Ditto.
4259 * h8300/h8300.c: Ditto.
4260 * i370/i370.c: Ditto.
4261 * i386/i386.c: Ditto.
4262 * i860/i860.c: Ditto.
4263 * i960/i960.c: Ditto.
4264 * ia64/ia64.c: Ditto.
4265 * m32r/m32r.c: Ditto.
4266 * m68hc11/m68hc11.c: Ditto.
4267 * m68k/m68k.c: Ditto.
4268 * m88k/m88k.c: Ditto.
4269 * mips/mips.c: Ditto.
4270 * ns32k/ns32k.c: Ditto.
4272 * pdp11/pdp11.c: Ditto.
4273 * romp/romp.c: Ditto.
4274 * rs6000/rs6000.c: Ditto.
4276 * sparc/sparc.c: Ditto.
4278 * we32k/we32k.c: Ditto.
4279 * doc/tm.texi: Update the manual to match.
4281 2001-07-06 Richard Henderson <rth@redhat.com>
4283 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4284 DWARF2_UNWIND_INFO not just whether it is defined.
4286 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4288 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4289 call to simplify_binary_operation returns a new pattern.
4291 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4293 * glimits.h (__SHRT_MAX__): New.
4294 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4295 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4297 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4299 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4302 2001-07-06 Richard Henderson <rth@redhat.com>
4304 * bitmap.c (bitmap_release_memory): Move adjacent to the
4305 allocation functions.
4306 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4307 the implementation. Binary search for the set bit.
4308 (bitmap_union_of_diff): Allocate the temporary on the stack
4309 instead of using xmalloc.
4311 2001-07-06 Richard Henderson <rth@redhat.com>
4313 * genrecog.c (validate_pattern): Warn for constraints in
4314 define_{expand,split,peephole2}. Remove strict_low_part
4315 before looking up match_dup.
4317 2001-07-06 DJ Delorie <dj@redhat.com>
4319 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4320 chapter about various build hints and history. Add section
4321 talking about the various types of native and cross builds.
4323 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4325 * Makefile.in (final.o): Depend on target.h.
4326 * final.c: Include target.h.
4327 (default_function_pro_epilogue): New.
4328 (final_start_function): Use target structure for function prologues.
4329 (final_end_function): Use target structure for function epilogues.
4330 * fold-const.c (real_hex_to_f): Constify s and p.
4331 * output.h (default_function_pro_epilogue): New.
4332 * real.h (real_hex_to_f): Update prototype.
4333 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4334 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4335 (TARGET_INITIALIZER): Update.
4336 * target.h (gcc_target): Add struct asm_out.
4337 * doc/tm.texi: Update.
4340 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4341 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4342 in cpu/cpu.c, or rename old functions consistently. Take
4343 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4344 redundant macros and prototypes. Make new functions static.
4346 * 1750a/1750a.c: Similarly.
4347 * 1750a/1750a.h: Similarly.
4348 * a29k/a29k-protos.h: Similarly.
4349 * a29k/a29k.c: Similarly.
4350 * a29k/a29k.h: Similarly.
4351 * arc/arc-protos.h: Similarly.
4352 * arc/arc.c: Similarly.
4353 * arc/arc.h: Similarly.
4354 * arm/arm-protos.h: Similarly.
4355 * arm/arm.c: Similarly.
4356 * arm/arm.h: Similarly.
4357 * avr/avr-protos.h: Similarly.
4358 * avr/avr.c: Similarly.
4359 * avr/avr.h: Similarly.
4360 * clipper/clipper-protos.h: Similarly.
4361 * clipper/clipper.c: Similarly.
4362 * clipper/clipper.h: Similarly.
4363 * convex/convex.c: Similarly.
4364 * convex/convex.h: Similarly.
4365 * d30v/d30v-protos.h: Similarly.
4366 * d30v/d30v.c: Similarly.
4367 * d30v/d30v.h: Similarly.
4368 * d30v/d30v.md: Similarly.
4369 * dsp16xx/dsp16xx-protos.h: Similarly.
4370 * dsp16xx/dsp16xx.c: Similarly.
4371 * dsp16xx/dsp16xx.h: Similarly.
4372 * elxsi/elxsi.c: Similarly.
4373 * elxsi/elxsi.h: Similarly.
4374 * fr30/fr30.c: Similarly.
4375 * fr30/fr30.md: Similarly.
4376 * h8300/h8300-protos.h: Similarly.
4377 * h8300/h8300.c: Similarly.
4378 * h8300/h8300.h: Similarly.
4379 * i370/i370-protos.h: Similarly.
4380 * i370/i370.c: Similarly.
4381 * i370/i370.h: Similarly.
4382 * i386/i386.c: Similarly.
4383 * i386/osf1elf.h: Similarly.
4384 * i386/osfrose.h: Similarly.
4385 * i860/i860-protos.h: Similarly.
4386 * i860/i860.c: Similarly.
4387 * i860/i860.h: Similarly.
4388 * i960/i960-protos.h: Similarly.
4389 * i960/i960.c: Similarly.
4390 * i960/i960.h: Similarly.
4391 * ia64/ia64-protos.h: Similarly.
4392 * ia64/ia64.c: Similarly.
4393 * ia64/ia64.h: Similarly.
4394 * m32r/m32r-protos.h: Similarly.
4395 * m32r/m32r.c: Similarly.
4396 * m32r/m32r.h: Similarly.
4397 * m68hc11/m68hc11-protos.h: Similarly.
4398 * m68hc11/m68hc11.c: Similarly.
4399 * m68hc11/m68hc11.h: Similarly.
4400 * m68k/crds.h: Similarly.
4401 * m68k/dpx2.h: Similarly.
4402 * m68k/m68k-protos.h: Similarly.
4403 * m68k/m68k.c: Similarly.
4404 * m68k/m68k.h: Similarly.
4405 * m68k/news.h: Similarly.
4406 * m88k/m88k-protos.h: Similarly.
4407 * m88k/m88k.c: Similarly.
4408 * m88k/m88k.h: Similarly.
4409 * mips/mips-protos.h: Similarly.
4410 * mips/mips.c: Similarly.
4411 * mips/mips.h: Similarly.
4412 * ns32k/merlin.h: Similarly.
4413 * ns32k/ns32k.c: Similarly.
4414 * ns32k/ns32k.h: Similarly.
4415 * ns32k/tek6000.h: Similarly.
4416 * pa/pa-protos.h: Similarly.
4417 * pa/pa.c: Similarly.
4418 * pa/pa.h: Similarly.
4419 * pdp11/2bsd.h: Similarly.
4420 * pdp11/pdp11-protos.h: Similarly.
4421 * pdp11/pdp11.c: Similarly.
4422 * pdp11/pdp11.h: Similarly.
4423 * romp/romp-protos.h: Similarly.
4424 * romp/romp.c: Similarly.
4425 * romp/romp.h: Similarly.
4426 * rs6000/rs6000-protos.h: Similarly.
4427 * rs6000/rs6000.c: Similarly.
4428 * rs6000/rs6000.h: Similarly.
4429 * rs6000/sysv4.h: Similarly.
4430 * sh/sh-protos.h: Similarly.
4431 * sh/sh.c: Similarly.
4432 * sh/sh.h: Similarly.
4433 * sparc/sparc-protos.h: Similarly.
4434 * sparc/sparc.c: Similarly.
4435 * sparc/sparc.h: Similarly.
4436 * vax/vax.c: Similarly.
4437 * vax/vax.h: Similarly.
4438 * vax/vms.h: Similarly.
4439 * we32k/we32k.c: Similarly.
4440 * we32k/we32k.h: Similarly.
4442 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4444 * basic-block.h (first_insn_after_basic_block_note): Declare.
4445 * flow.c (first_insn_after_basic_block_note): Define. Moved
4447 * ssa.c (first_insn_after_basic_block_note): Remove.
4448 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4450 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4451 nodes when we find a dead conditional branch. Insert BARRIERs
4452 after any blocks with no successors, but which do not have
4455 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4457 * varray.c (varray_check_failed): Use internal_error.
4459 2001-07-05 Andrew Haley <aph@redhat.com>
4461 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4462 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4463 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4465 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4467 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4468 reference if the target constant is also a SYMBOL_REF.
4470 2001-07-05 Eric Christopher <echristo@redhat.com>
4472 * config/mips/mips.h (MASK_MIPS3900): Remove.
4473 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4474 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4475 (TARGET_MIPS3900): Change to use mips_arch.
4476 (TARGET_MIPS4000): New.
4477 (TARGET_MIPS4100): New.
4478 (TARGET_MIPS4300): New.
4479 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4480 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4482 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4483 (ISA_HAS_BRANCHLIKELY): To here.
4484 (CC1_CPU_SPEC): New.
4485 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4486 (mips_arch_string): Declare.
4487 (mips_arch): Declare.
4488 (TARGET_OPTIONS): Add -march and -mtune.
4490 * config/mips/mips.c (mips_arch_string): New.
4492 (override_options): Handle -march for codegen and -mtune
4493 for scheduling. Use mips_arch. Move tx39 target default here.
4494 (mips_parse_cpu): Move error message to override_options.
4496 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4498 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4500 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4501 (MIPS Options): Ditto. Change mcpu entry to historical text.
4503 2001-07-05 H.J. Lu (hjl@gnu.org)
4505 * config/mips/mips.c (mips_parse_cpu): New function to parse
4508 2001-07-05 Jim Wilson <wilson@redhat.com>
4510 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4511 * config/ia64/t-ia64: Likewise.
4512 (LIB1ASMFUNCS): Update comment.
4514 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4516 * doc/install.texi (Install GCC: Binaries): Fix typo.
4518 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4520 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4521 reference using the stack pointer, adjust it since we push Y
4523 ("*ashrsi3"): Likewise.
4524 ("*lshrsi3"): Likewise.
4526 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4528 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4529 when -fomit-frame-pointer is used.
4531 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4533 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4534 (try_redirect_by_replacing_jump): Reverse updating properly the
4535 count and frequency information. Reverse removing cc0 setter.
4536 (forwarder_block_p): Reverse fixing for fallthru blocks.
4538 2001-07-05 DJ Delorie <dj@redhat.com>
4540 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4541 (translate_options): If the above is defined, use it to map
4542 given options to new options.
4543 * doc/tm.texi: Document it.
4545 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4546 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4548 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4549 cause programs using computed gotos to run more slowly.
4551 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4553 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4555 Consistently require binutils 2.11.2, not prereleases.
4556 (Specific, decstation-*): Canonicalize as mips-dec-*.
4557 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4559 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4560 (Specific, mips-*): Reword MIPS C compiler requirements.
4561 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4562 (Specific, sunv5): Removed, obsolete.
4564 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4566 * dwarf2out.c (output_loc_list): Use an all ones mask for
4567 .text asm output and don't rely on long long
4568 literals. Reformat some long lines.
4570 2001-07-05 Andreas Jaeger <aj@suse.de>
4572 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4575 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4577 * dwarf2out.c (dwarf2out_define): Update comment.
4578 (dwarf2out_undef): Ditto.
4579 (dwarf2out_start_source_file): Ditto.
4580 (dwarf2out_end_source_file): Ditto.
4581 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4582 since we never call the start/end debug hook for the primary file.
4584 2001-07-04 Kazu Hirata <kazu@hxi.com>
4586 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4589 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4591 * cppinit.c (remove_dup_dirs): Inform if a system include
4592 directory is being reordered.
4593 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4595 * doc/cpp.texi (Search Paths): Likewise.
4596 * doc/gcc.texi (Interoperation): Remove information about
4599 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4601 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4602 (VARRAY_TOP_CHAR_PTR): Likewise.
4604 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4606 * gcc.c (process_command): Don't assign elements of a const char*.
4608 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4610 * emit-rtl.c (change_address): Don't abort if invalid address while
4611 reload is in progress.
4613 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4615 * c-lex.c (cb_file_change): Pass line number to
4616 debug_start_source_file.
4617 (cb_undefine): Pass correct line number to debug_undef.
4619 * toplev.c (debug_start_source_file): Add line number to
4620 parameters. Pass it along to dwarf2out_start_source_file.
4621 (decode_g_option): Stop resetting debug level back to normal when
4622 we change debug formats, unless the current level is
4623 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4626 * toplev.h (debug_start_source_file): Add line number to
4629 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4632 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4634 Output debug_macinfo data for starting file if requested.
4635 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4637 (dwarf2out_define): Output debug_macinfo data for defining a macro
4639 (dwarf2out_undef): Output debug_macinfo data for undefining a
4641 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4642 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4643 (macinfo_section_label): New. DWARF2 macro info section label.
4644 (dwarf2out_init): If we want macro info, output the start label
4646 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4647 attribute to the compilation unit die pointing to the macro info.
4649 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4651 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4652 DWARF2_DEBUGGING_INFO.
4653 (add_loc_descr_to_loc_list): Ditto.
4654 (output_loc_list): Ditto.
4655 Also, fix thinko in curr not being initialized.
4656 (gen_internal_sym): Ditto.
4658 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4660 * emit-rtl.c (replace_equiv_address): New function.
4661 * expr.h (replace_equiv_address): New declaration.
4662 * explow.c (validize_mem): Call it instead of change_address and
4663 also call if -fforce-addr and address is constant.
4664 * expr.c: Replace more calls to change_address with adjust_address
4665 and/or replace_equiv_address or to validize_mem.
4666 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4667 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4668 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4669 * config/i370/i370.md, config/i860/i860.md: Likewise.
4670 * config/i960/i960.md, config/mips/mips.c: Likewise.
4671 * config/mips/mips.md, config/pa/pa.md: Likewise.
4672 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4673 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4675 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4677 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4679 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4682 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4684 * doc/include: New directory.
4685 * doc/fdl.texi: Move to doc/include/fdl.texi.
4686 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4687 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4688 * doc/gcc.texi: Use funding.texi and gpl.texi.
4689 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4690 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4691 Update dependencies and use -I $(docdir)/include.
4693 2001-07-04 Anthony Green <green@redhat.com>
4695 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4697 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4699 * doc/install.texi (sparc64-*-*): Remove garbage.
4701 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4703 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4704 Fix typo in last change to use adjust_address.
4706 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4708 * doc/install.texi (Specific): Update information for *-*-solaris*.
4710 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4712 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4714 2001-07-03 Stan Shebs <shebs@apple.com>
4716 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4717 case for flag_no_mach_text_sections.
4718 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4719 * config/darwin.c (flag_no_mach_text_sections): Remove.
4720 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4722 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4724 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4725 and avoid checking for constant as first operand.
4726 * recog.c (find_constant_term_loc): No longer static.
4727 (adj_offettable_operand): Delete.
4728 * rtl.h (adj_offsettable_operand): Delete declaration.
4729 (find_constant_term): Add declaration.
4730 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4732 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4733 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4734 * config/i386/i386.c, config/i386/i386.md: Likewise.
4735 * config/i860/i860.c, config/i960/i960.c: Likewise.
4736 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4737 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4738 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4739 * config/mips/mips.c, config/mips/mips.md: Likewise.
4740 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4741 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4742 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4743 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4744 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4745 * config/ns32k/ns32k.md: Likewise.
4747 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4749 * rtl.c (copy_rtx): Handle 'T' format letter.
4750 * gensupport.c (collect_insn_data): Likewise.
4751 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4753 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4755 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4756 -B option. Use 'dir' not 'foo' as example directory name.
4758 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4760 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4761 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4763 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4765 * doc/cppinternals.texi: Improve formatting and logical markup.
4767 2001-07-03 Andreas Jaeger <aj@suse.de>
4769 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4771 * genrecog.c (write_header): Include reload.h for prototypes in
4774 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4777 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4778 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4779 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4780 i386_pe_valid_type_attribute_p): Add.
4781 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4782 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4784 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4786 * explow.c (plus_constant_wide, case LO_SUM): New case.
4787 (plus_constant_for_output_wide): Delete.
4788 * rtl.h (plus_constant_for_output): Delete.
4789 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4790 instead of plus_constant_for_output.
4791 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4792 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4793 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4794 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4795 * config/sparc/sparc.md: Likewise.
4796 Convert some change_address calls to adjust_address.
4798 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4800 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4801 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4802 documentation of -std and -Wwrite-strings.
4804 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4806 * cse.c (canon_hash): Don't register registers in very small
4807 register classes, as extending their lifetime might cause
4810 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4812 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4814 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4815 (try_redirect_by_replacing_jump): Update properly the count
4816 and frequency information.
4818 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4820 * toplev.c (dump_file_index): Move SSA dumps just after first
4822 (dump_file): Corresponding changes.
4823 (rest_of_compilation): Move SSA path to just after the first
4825 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4826 * doc/invoke.texi: Update dump file #s as they were completely
4827 out of date with reality.
4829 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4831 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4833 * expr.c (emit_move_insn_1): Deal with non-default
4836 * expr.c (emit_single_push_insn): Fix warning.
4838 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4840 * expr.c (emit_move_insn_1): Avoid modifying
4841 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4843 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4845 * emit-rtl.c (adjust_address): New function.
4846 * expr.h (adjust_address): Add declaration.
4847 * builtins.c: Replace some calls to change_address with calls to it
4849 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4850 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4851 * config/arm/arm.c, config/convex/convex.c: Likewise.
4852 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4853 * config/i386/i386.c, config/i386/i386.md: Likewise.
4854 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4855 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4856 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4857 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4858 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4860 2001-07-02 Jim Wilson <wilson@redhat.com>
4862 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4864 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4866 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4867 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4869 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4871 * cppinit.c (lang_defaults): New table.
4872 (set_lang): Just read from lang_defaults into the live options
4875 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4877 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4878 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4879 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4881 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4883 * doc/install.texi: Various spelling and markup fixes.
4884 (Installing GCC): Component specific installation instructions are
4887 Warn about removing old install dir in the presence of shared libs.
4888 (Configuration): Invoke with options target to match configure
4890 Consistently refer to gas, gld pathnames.
4891 Invert --enable-multilib documentation.
4892 Remove references to old compiler versions.
4894 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4896 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4898 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4900 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4902 (Specific, mips*-sgi-irix5): Note IDO download.
4903 Reworded MIPS C hints.
4904 Use GNU as instead of GAS.
4906 Removed SGI Freeware reference, IRIX 6 only.
4907 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4908 Note N64 library requirement/workaround.
4910 Complete list of structure passing bug victims.
4912 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4914 * doc/install.texi: Remove CVS Id.
4916 2001-07-02 Andreas Jaeger <aj@suse.de>
4918 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4919 (find_inherently_necessary): Remove unused variable.
4921 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4923 * c-common.h (TDI_inlined): New ast dump phase.
4924 (dump_flag_name): New function.
4925 * c-dump.c (dump_files): Add inlined phase.
4926 (dump_flag_name): Define.
4927 * doc/invoke.texi (-fdump-ast-inlined): Document.
4929 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4931 * stor-layout.c (layout_decl): Revert change to handling of alignment
4934 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4936 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4939 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4941 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4944 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4946 * tlink.c (recompile_files): Remove COMPILER_PATH and
4947 LIBRARY_PATH from the environment.
4949 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4951 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4952 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4954 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4956 * c-parse.in (OBJC_STRING): Kill.
4957 (objc_string): Decompose to [objc_string] '@' STRING.
4958 (reswords): Take the leading '@' off all the Objective C keywords.
4959 (objc_rid_sans_at): Kill.
4960 (init_reswords): Don't initialize it.
4961 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4962 (_yylex): Kill reconsider label. Look ahead one token after
4963 an '@'; if we get an identifier, check whether it's an
4964 Objective C @-keyword. If so, return the keyword. Otherwise,
4965 put back the token and return the '@' as a terminal.
4967 * cpplib.c (lex_macro_node): Remove unnecessary check for
4968 leading '@' on identifier. Clarify control flow and commentary.
4970 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4972 * cse.c (new_label_ref): Variable deleted.
4973 (insert): Remove set of new_label_ref.
4974 (check_for_label_ref): New function.
4975 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4977 See ChangeLog.5 for earlier changes.