1 2001-08-09 Richard Henderson <rth@redhat.com>
3 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4 (__do_global_dtors_aux): Use gp-relative static data to avoid
5 one dynamic relocation.
6 (__do_frame_setup): Register Java classes.
7 * config/alpha/crtend.asm (__JCR_END__): New.
9 2001-08-09 Zack Weinberg <zackw@stanford.edu>
11 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
12 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
13 (GEN, STAGESTUFF): Add new files.
14 (insn-constants.h, s-constants, tm-preds.h, s-preds,
15 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
16 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
17 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
18 as well as insn-codes.h and insn-flags.h in config.h; and no
19 extra headers in tconfig.h and hconfig.h.
21 * gencodes.c: Eliminate code to generate predicate declarations
22 or #defines for md-file constants.
23 * genconstants.c, genpreds.c: New files.
25 * i386.md: Re-order guard expressions such that TARGET_64BIT
26 comes first, when this permits better optimization. Add
27 TARGET_64BIT to more x86-64 patterns. Add comment explaining
28 why this is desirable.
30 2001-08-09 Jakub Jelinek <jakub@redhat.com>
32 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
33 (find_fde_for_dso): Remove.
34 (_Unwind_IteratePhdrCallback): New.
35 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
36 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
38 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
40 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
41 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
43 2001-08-09 Graham Stott <grahams@redhat.com>
45 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
46 (vis_no_unit): Use it.
47 (visualize_no_unit): Add the insn only if room exists.
49 2001-08-09 Graham Stott <grahams@redhat.com>
51 * predict.c (estimate_probability): Replace magic numbers with
52 appropriate enumeration.
54 2001-08-09 Graham Stott <grahams@redhat.com>
56 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
58 (EXTRACT_FLAGS): Likewise.
60 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
62 * config/mips/mips.c (mips_legitimate_address_p): Check for
63 CONST_INT in last patch.
65 2001-08-08 Anthony Green <green@redhat.com>
67 * java/class.c (emit_register_classes): Use assemble_jcr if
68 possible. Keep the original mechanism as a fallback.
69 * defaults.h (JCR_SECTION_NAME): Define if we have named section
70 and weak symbol support.
71 * crtstuff.c (__JCR_LIST__): Define.
72 (__JCR_END__): Define.
73 (_Jv_RegiserClasses): Define weak symbol if possible.
74 (__do_global_ctors_aux): Register classes for ELF targets with
77 2001-08-08 Kazu Hirata <kazu@hxi.com>
79 * dbxout.c: Fix comment formatting.
80 * dependence.c: Likewise.
82 * diagnostic.c: Likewise.
83 * dominance.c: Likewise.
84 * doprint.c: Likewise.
85 * dwarf2out.c: Likewise.
86 * dwarfout.c: Likewise.
87 * emit-rtl.c: Likewise.
93 * fold-const.c: Likewise.
94 * function.c: Likewise.
96 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
98 * global.c (retry_global_alloc): Avoid shadowing allocno.
100 2001-08-08 Mark Mitchell <mark@codesourcery.com>
102 * except.c (remove_fixup_regions): Fix typo.
104 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
106 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
107 unsigned HOST_WIDE_INT to avoid warning.
108 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
109 * flow.c (set_block_for_new_insns): Likewise.
111 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
113 * sibcall.c (return_value_pseudo): New static variable.
114 (skip_copy_to_return_value): Handle return_value_pseudo.
115 (call_ends_block_p): Ensure that return_value_pseudo is set.
116 (optimize_sibling_and_tail_recursive_call): Discover the
117 load of pseudo return value in alternate exit block.
119 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
121 * calls.c (ECF_ALWAYS_RETURN): New constant.
122 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
123 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
124 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
125 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
126 * rtl.c (reg_note_name): New name.
127 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
129 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
131 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
133 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
135 * alias.c (get_alias_set): Return a previously calculated
136 alias set for a VAR_DECL.
137 * function.c (gen_mem_addressof): Calculate the alias set before
140 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
142 * predict.def: Set hitrates according our experimental run.
144 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
146 * i386.h (HARD_REGNO_RENAME_OK): New macro.
148 2001-08-08 H.J. Lu <hjl@gnu.org>
150 * config/mips/mips.c (mips_unique_section): New. Copied from
153 * config/mips/mips-protos.h (mips_unique_section): New
156 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
158 * config/mips/little.h: New. Generic little endian mips
159 targets. Only mips*-*-linux* is converted to use it so far.
161 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
162 (WCHAR_TYPE): Defined
163 (WCHAR_TYPE_SIZE): Likewise.
164 (INIT_SUBTARGET_OPTABS): Likewise.
165 (BSS_SECTION_ASM_OP): Likewise.
166 (SBSS_SECTION_ASM_OP): Likewise.
167 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
168 (ASM_DECLARE_OBJECT_NAME): Likewise.
169 (UNIQUE_SECTION): Likewise.
170 (EXTRA_SECTIONS): Likewise.
171 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
172 (ASM_OUTPUT_DESTRUCTOR): Likewise.
173 (ASM_OUTPUT_DEF): Likewise.
174 (HANDLE_SYSV_PRAGMA): Removed.
175 (NO_IMPLICIT_EXTERN_C): Likewise.
176 (TARGET_MEM_FUNCTIONS): Likewise.
177 (STARTFILE_SPEC): Likewise.
178 (ENDFILE_SPEC): Likewise.
179 (LIB_SPEC): Likewise.
180 (INVOKE__main): Likewise.
181 (CTOR_LIST_BEGIN): Likewise.
182 (CTOR_LIST_END): Likewise.
183 (DTOR_LIST_BEGIN): Likewise.
184 (DTOR_LIST_END): Likewise.
185 (SET_ASM_OP): Likewise.
186 (ASM_OUTPUT_SOURCE_LINE): Likewise.
187 (ASM_OUTPUT_DEF): Likewise.
188 (ASM_OUTPUT_IDENT): Likewise.
190 * config/mips/mips.h (ASM_SPEC): Undefine before define.
191 (CPLUSPLUS_CPP_SPEC): Likewise.
192 (ASM_APP_ON) Redefine only if not defined.
193 (ASM_APP_OFF): Likewise.
194 (ASM_OUTPUT_SOURCE_LINE): Likewise.
195 (ASM_OUTPUT_IDENT): Likewise.
197 * config.gcc: Update tm_file for Linux/mips.
199 2001-08-08 Bernd Schmidt <bernds@redhat.com>
201 * cselib.c (cselib_record_sets): If insn is predicated, turn
202 sources into IF_THEN_ELSEs.
204 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
205 Turn into define_insn_and_split.
207 * sched-deps.c: Include "cselib.h".
208 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
209 Use cselib to turn memory addresses into VALUEs.
210 (sched_analyze): Call cselib_init/cselib_finish if necessary.
211 * sched-int.h (struct sched_info): New member USE_CSELIB.
212 * sched-ebb.c (ebb_sched_info): Initialize it.
213 * sched-rgn.c (rgn_sched_info): Likewise.
214 * Makefile.in (sched-deps.o): Update dependencies.
216 * cselib.h (cselib_subst_to_values): Declare.
217 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
218 that have no value and autoincs to be handled by generating a new
221 2001-08-08 Graham Stott <grahams@redhat.com>
223 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
224 within fixed length SEQUENCE.
226 2001-08-08 Graham Stott <grahams@redhat.com>
228 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
229 (diagnostic_prefixing_rule): Likewise.
230 (diagnostic_line_cutoff): Likewise.
231 (diagnostic_kind_count): Likewise.
233 2001-08-08 Graham Stott <grahams@redhat.com>
235 * alias.c (find_base_decl): Delete redundent assignment.
237 2001-08-08 Graham Stott <grahams@redhat.com>
239 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
240 (abs): Uppercase and paranthesize macro parameter.
241 (MEM_DEPENDENCY): Add whitespace.
243 2001-08-08 Graham Stott <grahams@redhat.com>
245 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
246 failure check for CONST_INT
248 2001-08-08 Graham Stott <grahams@redhat.com>
250 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
251 (libcall_dead_p): Likewise.
253 (mark_used_regs): Constify fmt.
254 (find_use_as_address): Likewise.
256 2001-08-08 Graham Stott <grahams@redhat.com>
258 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
261 2001-08-08 Graham Stott <grahams@redhat.com>
263 * combine.c (combine_simplify_rtx): Update comment and
264 remove erroneous test.
266 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
268 * cppinit.c (cpp_finish): Pop the final buffer without comment.
269 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
270 take care to avoid multiple no-newline at EOF warnings in that
273 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
275 * calls.c (expand_call): Do not emit INSN_SETJMP note.
276 (emit_library_call_value_1): Likewise.
277 (emit_call_1): Emit REG_SETJMP note.
278 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
280 * cselib.c (cselib_process_insn): Likewise.
281 * flow.c (propagate_block): Likewise.
282 * loop.c (find_and_verify_loops): Likewise.
283 * reload.c (find_equiv_regs): Likewise.
284 * reload1.c (reload): Likewise.
285 * resource.c (mark_referenced_resources,
286 mark_set_resources): Likewise.
287 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
288 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
289 * haifa-sched.c (unlink_other_notes): Likewise.
290 (reemit_notes): Likewise.
291 * sched-ebb.c (sched_ebb): Likewise.
292 * sched-rgc.c (sched_region): Likewise.
293 * rtl.c (note_insn_name): Likewise.
294 (reg_note_name): Add REG_SETJMP
295 * rtl.h (reg_note): Add REG_SETJMP.
296 (insn_note): Remove NOTE_INSN_SETJMP.
298 * profile.c (branch_prob): Add fake edges for setjmp.
300 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
302 * config.gcc: Quote target_cpu_default2 correctly for
303 powerpc*-*-* targets.
305 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
307 * cpplib.h, line-map.h: Update comments.
308 * cppmain.c (printer_init): Move inline.
309 (maybe_print_line, print_line): Take a map pointer.
310 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
311 (cb_file_change): Don't use prior value of print.map.
313 2001-08-07 David Edelsohn <edelsohn@gnu.org>
315 * doc/install.texi: Document fine-grained multilib configuration.
317 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
319 * rtlanal.c (find_first_parameter_load): Call note_stores
320 only on the instructions.
322 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
324 * alias.c (nonlocal_mentioned_p):
325 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
326 * calls.c (emit_call_1): Likewise.
327 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
328 * cselib.c (cselib_process_insn): Likewise.
329 * df.c (df_insns_modify): Likewise.
330 * flow.c (need_fake_edge_p): Likewise.
331 (propagate_one_insn): Likewise.
332 * haifa-sched.c (reemit_notes): Likewise.
333 * integrate.c (copy_insn_list): Likewise.
334 * jump.c (delete_prior_computation): Likewise.
335 * local-alloc.c (validate_equiv_mem): Likewise.
336 * loop.c (scan_loop): Likewise.
337 * predict.c (estimate_probability): Likewise.
338 * reload.c (reload): Likewise.
339 * sched-deps (sched_analyze): Likewise.
340 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
341 * gcse.c (compute_hash_table): Likewise.
342 (mark_call): Likewise.
343 (store_killed_in_insn): Likewise.
345 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
347 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
349 2001-08-06 Richard Henderson <rth@redhat.com>
351 * varasm.c (assemble_gc_entry): Remove.
352 * output.h: Likewise.
354 2001-08-06 Richard Henderson <rth@redhat.com>
356 * varasm.c (assemble_constructor): Take a symbol_ref and a
357 priority instead of a bare string. Move priority handling
358 here from cp/decl2.c.
359 * output.h: Update decls.
361 * c-decl.c (c_expand_body): Update calls to assemble_constructor
362 and assemble_destructor.
363 * profile.c (output_func_start_profiler): Likewise.
364 * objc/objc-act.c (finish_objc): Likewise.
365 (build_module_descriptor): Return the symbol not the symbol name.
367 2001-08-06 David Edelsohn <edelsohn@gnu.org>
369 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
370 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
371 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
372 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
373 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
374 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
376 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
378 * cpperror.c (print_containing_files): Moved to line-map.c.
379 (print_location): line-map.c handles re-listing or otherwise.
380 * cpphash.h (struct lexer_state): Remove next_bol.
381 (struct cpp_buffer): Remove include_stack_listed.
382 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
383 Remove faked buffer handling.
384 (_cpp_do_file_change): Tweak.
385 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
386 * cppmain.c (struct printer): Remove filename.
387 (print_line, cb_file_change): Update accordingly.
388 * line-map.c: Include intl.h.
389 (init_line_maps): Initialize last_listed.
390 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
391 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
392 (print_containing_files): New.
393 * line-map.h (struct line_maps): New member last_listed.
394 (print_containing_files, INCLUDED_FROM): New.
395 * Makefile.in: Update.
396 * po/POTFILES.in: Add line-map.c.
398 2001-08-06 Richard Henderson <rth@redhat.com>
400 * except.c (convert_from_eh_region_ranges_1): Never mark
401 USE or CLOBBER insns as throwing.
403 * expr.c (store_constructor): Don't clobber memory targets.
405 2001-08-06 Andreas Jaeger <aj@suse.de>
407 * profile.c (branch_prob): Remove unused variable insn.
409 * Makefile.in (local-alloc.o): Add dependency on except.h.
411 * local-alloc.c: Include except.h for can_throw_internal prototype.
413 2001-08-06 Richard Henderson <rth@redhat.com>
415 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
416 * function.c (expand_main_function): Implement it.
417 * doc/tm.texi: Document it.
419 2001-08-06 Stan Shebs <shebs@apple.com>
421 * doc/install.texi: Document powerpc-*-darwin* details.
423 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
425 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
426 (ASM_CPU_SPEC): Move back to rs6000.h
427 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
429 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
431 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
434 * config/rs6000/linux64.h: Ditto.
436 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
437 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
440 Remove accidently readded definitions of FUNCTION_PROLOGUE,
441 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
443 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
446 2001-08-05 Richard Henderson <rth@redhat.com>
448 * local-alloc.c (update_equiv_regs): Do not move insns that
451 2001-08-05 Jan Hubicka <jh@suse.cz>
453 * Makefile.in (reload1.o): Add dedendancy on except.h
454 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
456 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
457 indicating wehther edges has been cleaned up.
458 * reload1.c: Inlucde except.h
459 (fixup_abnormal_edges): Accept deleted insns.
460 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
463 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
465 * cpplib.c (do_line): Correct line number after pop_buffer.
467 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
470 * line-map.c: Update comments.
471 * line-map.h: Update comments.
472 * tradcif.y: Don't consider large numbers unsigned.
474 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
477 * c-lex.c (map): New.
478 (cb_file_change): Update map and use it.
479 (cb_def_pragma, cb_define, cb_undef): Use map and line.
480 (c_lex): Update to use map.
481 * cpperror.c (print_location): Move to using logical line numbers.
482 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
483 (cpp_make_system_header): Similarly.
484 (_cpp_execute_include): Stop line numbering hacks. Store the
485 line we will return to.
486 * cpphash.h (CPP_BUF_LINE): Remove.
487 (struct cpp_buffer): Remove lineno and pseudo_newlines.
488 Add map and return_to_line.
489 (_cpp_do_file_change): Update.
490 * cppinit.c (cpp_start_read): Update line kludge.
491 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
492 (trigraph_ok): Use logical line numbers for diagnostics.
493 (skip_block_comment): Likewise.
494 (skip_whitespace): Likewise.
495 (skip_line_comment): Use pfile->line instead.
496 (_cpp_lex_token): Update to use logical line numbering exclusively.
497 Handle BOL locally. Accept new lines in directives, but keep
498 pfile->line decremented. Diagnostics use logical lines. Update
500 * cpplib.c (SEEN_EOL): New.
501 (skip_rest_of_line, check_eol): Use it.
502 (end_directive): Increase line number when accepting the newline
503 at the end of a directive.
504 (run_directive): Simplify.
505 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
506 (_cpp_do_file_change): Update to take buffer line number as an
507 argument, and store the current map in the cpp_reader. Remove
509 (_cpp_do__Pragma): Restore output position after a _Pragma.
510 (cpp_push_buffer): Don't set output line or lineno.
511 (_cpp_pop_buffer): Transfer more info from a faked buffer.
512 Remove line kludge. Set output_line.
513 * cppmacro.c (builtin_macro): Update handling of __LINE__.
514 (parse_arg): Use logical lines.
515 (save_lookahead_token): Save EOFs too now.
516 * cppmain.c (struct printer): Fix comments.
517 (printer_init): Simplify, let caller do errors.
518 (scan_translation_unit, check_multiline_token, dump_macro): Update.
519 (maybe_print_line): Simplify.
520 (print_line): Don't print a linemarker if -P.
521 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
522 (cb_file_change): Simplify.
523 * line-map.h (LAST_SOURCE_LINE): Fix.
524 (CURRENT_LINE_MAP): New.
526 2001-08-05 Bernd Schmidt <bernds@redhat.com>
528 * doloop.c (doloop_modify_runtime): Properly compute number of
529 iterations if loop was unrolled.
531 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
532 if their CSELIB_VAL_PTRs are.
534 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
535 (setup_spill_pointers): Initialize it.
536 (spill_restore_mem): Set it.
537 (do_spill, do_restore): Use it to add REG_INC note.
538 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
540 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
541 asms if other insns are available.
543 * config/ia64/ia64.c (condop_operator): New predicate.
544 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
545 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
548 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
549 temporary register than directly using a MEM.
551 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
553 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
554 parameter in last change.
556 2001-08-04 Zack Weinberg <zackw@panix.com>
558 * sparc.md: Don't use #if inside C test expression.
560 2001-08-04 Richard Henderson <rth@redhat.com>
562 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
564 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
566 * cpphash.h (struct cpp_reader): New member directive_line.
567 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
568 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
569 do_pragma): Pass line to callbacks.
570 (start_directive): Record line of directive.
571 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
572 cb_include): Similarly.
573 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
576 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
578 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
581 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
583 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
585 * reload1.c (fixup_abnormal_edges): New static function.
588 * flow.c (need_fake_edge_p): New function.
589 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
590 avoid call insn to be very last insn in the insn stream.
592 * profile.c (branch_prob): Call flow_call_edges_add instead of
593 doing that by hand; cleanup cfg to re-merge basic blocks once
596 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
598 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
599 are also on line-map.h.
600 * cppfiles.c (stack_include_file): Update.
601 * cpphash.h (struct cpp_buffer): New member return_at_eof.
602 (_cpp_pop_buffer): New.
603 * cppinit.c (cpp_destroy, cpp_finish): Update.
604 (do_includes): Mark each buffer to return at EOF.
605 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
607 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
608 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
609 * cpplib.h (cpp_pop_buffer): Remove.
610 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
611 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
613 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
615 (do_preprocessing): Update.
616 * fix-header.c (read_scan_file): Update. No need to pop buffers.
617 * c-parse.in (_yylex): Similarly.
618 * scan-decls.c (scan_decls): Similarly.
619 * line-map.h: Update comments.
621 * objc/Make-lang.in (objc-act.o): Update dependencies.
623 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
625 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
626 and soft register for operand 0.
627 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
629 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
631 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
632 register for operand 0.
633 ("bitcmpqi_z_used"): Allow memory for operand 0.
634 (split "bitcmpqi"): New split to handle address reg as operand 1.
636 2001-08-04 Andreas Jaeger <aj@suse.de>
638 * gcse.c: Revert Daniel's last patch.
640 2001-08-03 Zack Weinberg <zackw@stanford.edu>
642 * sparc-protos.h: Add prototypes for fp_zero_operand and
644 * sh-protos.h: Add prototype for fpul_operand.
646 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
648 * doc/extend.texi (Other Builtins): Fix typo in last change.
650 2001-08-03 Richard Henderson <rth@redhat.com>
652 * target.h (gcc_target): Add asm_out.named_section,
653 section_type_flags, have_named_sections.
654 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
655 (TARGET_HAVE_NAMED_SECTIONS): New.
656 (TARGET_SECTION_TYPE_FLAGS): New.
658 * Makefile.in (toplev.o): Depend on TARGET_H.
659 (varasm.o, dbxout.o): Likewise.
660 * c-common.c (decl_attributes): Check targetm.have_named_sections
661 instead of ifdef ASM_OUTPUT_SECTION_NAME.
662 * dbxout.c (dbxout_function_decl): Likewise.
663 (dbxout_function_end): Likewise.
664 * toplev.c (compile_file): Likewise.
665 * varasm.c (exception_section): Likewise.
666 * cp/decl2.c (finish_objects): Likewise.
668 * defaults.h (EH_FRAME_SECTION): Remove.
669 (EH_FRAME_SECTION_ASM_OP): Remove.
670 (EH_FRAME_SECTION_NAME): New.
671 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
672 (UNIQUE_SECTION_P): Remove.
673 * dwarf2out.c (SECTION_FORMAT): Remove.
674 (ASM_OUTPUT_SECTION): Remove.
675 (output_call_frame_info): Use named_section_flags.
676 (output_comp_unit, dwarf2out_start_source_file): Likewise.
677 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
678 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
679 * varasm.c (in_eh_frame, eh_frame_section): Remove.
680 (named_section_flags): New.
681 (named_section): Use it and targetm.section_type_flags.
682 (resolve_unique_section): New.
683 (assemble_start_function): Use it.
684 (asm_emit_uninitialised, assemble_variable): Likewise.
685 (default_section_type_flags): New.
686 (default_no_named_section, default_elf_asm_named_section): New.
687 (default_coff_asm_named_section, default_pe_asm_named_section): New.
688 * output.h: Update varasm.c decls.
689 (SECTION_*): New flags.
691 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
692 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
694 * config/elfos.h (UNIQUE_SECTION_P): Remove.
695 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
696 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
697 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
698 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
699 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
700 * config/mips/elf.h, config/mips/elf64.h: Likewise.
701 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
702 * config/pa/pa64-hpux.h,
704 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
705 (TARGET_ASM_NAMED_SECTION): New.
706 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
707 * config/alpha/vms.h, config/arm/coff.h: Likewise.
708 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
709 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
710 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
711 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
712 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
713 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
714 * config/i386/sco5.h, config/i386/win32.h: Likewise.
715 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
716 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
717 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
718 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
719 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
720 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
721 * config/sparc/sysv4.h: Likewise.
723 * config/nextstep.h: Error until named sections implemented.
725 * config/a29k/a29k.c (a29k_asm_named_section): New.
726 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
727 (vms_section_type_flags, vms_asm_named_section): New.
728 * config/arm/arm.c (arm_elf_asm_named_section): New.
729 * config/avr/avr.c (asm_output_section_name): Remove.
730 * config/avr/avr-protos.h: Update.
731 * config/c4x/c4x.c (c4x_asm_named_section): New.
732 * config/h8300/h8300.c (h8300_asm_named_section): New.
733 * config/i386/i386.c (sco_asm_named_section): New.
734 * config/i386/winnt.c (SECTION_PE_SHARED): New.
735 (i386_pe_section_type_flags): New.
736 (i386_pe_asm_named_section): New.
737 * config/i386/i386-protos.h: Update.
738 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
739 * config/mcore/mcore.c (mcore_asm_named_section): New.
740 * config/mips/mips.c (iris6_asm_named_section): New.
741 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
742 instead of UNIQUE_SECTION_P.
743 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
744 (xcoff_asm_named_section): New.
745 * config/sh/sh.c (sh_asm_named_section): New.
746 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
748 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
749 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
750 (EH_FRAME_SECTION_NAME): New.
751 (EXCEPTION_SECTION): New.
752 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
753 (DEBUG_*_SECTION): Remove.
754 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
755 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
756 (EH_FRAME_SECTION_ASM_OP): Remove.
758 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
759 (ASM_OUTPUT_SECTION_NAME): Remove.
760 (TARGET_ASM_NAMED_SECTION): New.
761 (TARGET_HAVE_NAMED_SECTIONS): New.
762 (TARGET_SECTION_TYPE_FLAGS): New.
763 (EH_FRAME_SECTION_ASM_OP): Remove.
764 (EH_FRAME_SECTION_NAME): New.
766 2001-08-03 Zack Weinberg <zackw@stanford.edu>
768 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
769 for complex expressions when cfun == 0.
770 * doc/extend.texi: Document that __builtin_constant_p can be
771 used in data initializers as well as functions.
773 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
775 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
776 variable I locally, instead of expecting a declaration in the
779 2001-08-03 Richard Henderson <rth@redhat.com>
781 * except.c (collect_one_action_chain): Add an explicit cleanup
782 action if regions surrounding a catch were encoded entirely
783 within the call-site entry.
785 2001-08-03 Richard Henderson <rth@redhat.com>
787 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
788 don't take REGNO of a non-register.
790 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
792 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
793 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
794 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
795 (__gthread_mutex_init_function): New function for mutex initialization.
797 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
799 * Makefile.in: Revert screwed up commit.
801 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
803 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
804 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
805 merged by linker script to get a final _exit().
806 (__do_global_dtors): New for destructor handling in specific exit
808 (__do_global_ctors): New for constructors in specific install section.
809 (__map_data_section): Map data sections before running constructors.
810 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
811 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
812 (DTORS_SECTION_ASM_OP): Likewise.
813 (CTORS_SECTION_FUNCTION): Define to force a reference to
815 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
817 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
819 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
821 * Makefile.in: Add df.h to gcse.c dependencies.
823 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
825 * varasm.c (output_constant_def_contents): Use for the length of a
826 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
827 depending on which is larger.
829 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
831 * gcse.c: Include df.h for use as a dataflow analyzer.
833 Declaration of reg_set_info: gone.
834 New df_analyzer variable used by store motion.
835 (reg_set_info): Deleted.
836 (mark_mem_regs): New function, analyze regs used by a mem.
837 (store_ops_ok): Use dataflow analyzer results to determine if
838 necessary regs are changed in the block.
839 (find_moveable_store): Remove check for symbol ref, we can handle
840 much more complex expressions now.
841 (compute_store_table): Remove most of the code, it's unnecessary
842 now that the dataflow analyzer records the info for us.
843 (store_killed_after): Add parameter to say whether to do the
844 store_ops_okay test, used to speed up testing when we already know
845 the answer, and just want to know if the store itself was killed.
846 (build_store_vector): Largely rewritten to calculate the various
847 vectors properly, and somewhat optimized.
848 (store_motion): Init the df_analyzer, get REG_DEF chains.
849 Also handle trapping expressions (since mems almost always trap)
850 (simple_mem): Redefine what a simple mem is.
852 2001-08-03 DJ Delorie <dj@redhat.com>
854 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
855 set from a constant part of the condition.
857 2001-08-01 Andrew Cagney <ac131313@redhat.com>
859 * mkdeps.c (deps_add_default_target): Make local variable
860 ``start'' a const char pointer.
861 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
863 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
865 * doc/install.texi (Configuration): Fix markup.
866 (Specific, i?86-*-udk): Likewise.
867 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
869 Document --enable-threads and --enable-libgcj status.
870 (Specific, mips-sgi-irix*): Canonicalize triples.
871 (Specific, mips-sgi-irix5): Warn about problems with this config.
872 Mention required GNU as patch.
873 Native assembler problems are fixed.
874 (Specific, mips-sgi-irix6): Update O32 ABI support status.
875 Document --enable-threads and --enable-libgcj status.
877 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
879 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
882 2001-08-03 Richard Henderson <rth@redhat.com>
884 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
887 2001-08-03 Richard Henderson <rth@redhat.com>
889 * rtlanal.c (find_first_parameter_load): Stop if we
890 reach a CODE_LABEL at BOUNDARY.
892 2001-08-03 Richard Henderson <rth@redhat.com>
894 * config/alpha/alpha.md (force_movdi): New insn.
895 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
896 Tweek FRP marking of VMS prologue insns.
897 * config/alpha/vms.h (EPILOGUE_USES): New.
899 2001-08-02 Richard Henderson <rth@redhat.com>
901 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
903 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
905 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
906 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
907 config/convex/convex.h, config/d30v/d30v.c,
908 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
909 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
910 config/mips/mips.h, config/mn10200/mn10200.h,
911 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
912 config/v850/v850.h, config/vax/openbsd.h,
913 config/vax/openbsd1.h, config/vax/ultrix.h,
914 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
915 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
916 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
917 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
918 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
919 in comments and documentation.
921 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
925 * Makefile.in (line-map.o): New.
926 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
927 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
928 * cpperror.c (print_containing_files): Similarly.
929 (print_location): Update. Don't output a space before _Pragma.
930 * cppfiles.c (stack_include_file): Set to line 1 immediately.
931 (stack_include_filee, cpp_make_system_header): Update.
932 (_cpp_execute_include): Get logical line number right for calling
933 as-yet-unterminated #include.
934 * cpphash.h (struct cpp_reader): Add line_maps.
935 (_cpp_do_file_change): Update.
936 * cppinit.c (cpp_create_reader): Initialize line maps.
937 (cpp_destroy): Destroy line maps.
938 (cpp_start_read): Get logical line number right.
939 * cpplex.c (parse_string): Only warn once for multi-line strings.
940 Use boolean variable for null warning.
941 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
943 (do_include_common): End the directive early.
944 (do_line): Don't warn about out-of-range lines in preprocessed
945 source. Update. Remove unused variables.
946 (_cpp_do_file_change): Update for new line mapping.
947 (pragma_cb): New typedef.
948 (cpp_register_pragma): Stop looking ahead before calling the
950 (do_pragma_system_header): End directive early.
951 (cpp_get_line_maps): New.
952 (cpp_pop_buffer): Fudge logical line. Update.
953 * cpplib.h: Include line-map.h
954 (enum cpp_fc_reason): Remove.
955 (struct cpp_file_change): Update.
956 (cpp_get_line_maps): New.
957 * cppmain.c (struct_printer): New member map.
958 (cb_file_change): Update for new mappings.
959 * fix-header.c (cb_file_change): Similarly.
961 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
963 * Makefile.in (libgcc.mk): Define mkinstalldirs.
964 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
966 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
968 * config/vax/vax.c: include expr.h.
970 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
972 * Makefile.in ($(srcdir)/configure): Only rebuild in
974 ($(srcdir)/config.in): Only define in maintainer mode.
975 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
977 2001-08-02 David Edelsohn <edelsohn@gnu.org>
979 * doc/install.texi (Install GCC: Binaries): Update Bull info.
981 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
983 * gcc.c (set_collect_gcc_options): New function, split out from
985 Ignore elided switches.
986 (do_spec_1): Invoke before executing command.
989 * gcc.h (set_input): ... here.
990 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
993 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
996 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
998 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1000 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1002 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1003 for the unnamed instructions it expands to.
1005 2001-08-02 Richard Henderson <rth@redhat.com>
1007 * regclass.c (call_really_used_regs): Conditionally define.
1008 (init_reg_sets_1): Don't use it if not defined.
1009 (fix_register): Similarly, don't set it.
1011 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1013 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1014 Correct comment that had been missed in the previous change.
1016 2001-08-01 Stan Shebs <shebs@apple.com>
1018 * config/darwin.c (machopic_stub_name): Try matching by name.
1019 (update_stubs): New function.
1020 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1023 2001-08-01 Richard Henderson <rth@redhat.com>
1025 * except.c (output_function_exception_table): Use assemble_align.
1026 * varasm.c (assemble_eh_label): Remove.
1027 (assemble_eh_align, assemble_eh_integer): Remove.
1029 2001-08-01 Robert Lipe <robertl@caldera.com>
1031 * dwarfout.c: Remove reference to README.DWARF.
1033 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1035 * regclass.c (call_really_used_regs): New array for registers which
1036 are actually used by a call.
1037 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1039 (fix_register): Set call_really_used too.
1040 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1041 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1043 2001-08-01 Richard Henderson <rth@redhat.com>
1045 * read-rtl.c (read_name): Consider \r whitespace.
1047 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1049 * config.gcc: Recognize powerpc-*-netbsd*.
1051 * doc/install.texi (Host/target specific installation notes for
1052 GCC): Mention powerpc-*-netbsd*.
1054 * config/rs6000/netbsd.h: New file.
1055 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1056 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1057 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1058 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1059 (TARGET_VERSION): Redefine.
1061 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1062 mcall-netbsd as a match for mcall-sysv.
1063 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1064 (ncrti.S, ncrtn.S): New targets.
1065 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1067 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1068 "netbsd' as a V4 ABI.
1069 (ASM_SPEC): Check for -mcall-netbsd.
1070 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1071 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1072 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1073 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1074 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1075 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1076 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1078 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1079 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1081 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1083 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1084 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1085 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1086 including "unwind-pe.h".
1088 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1090 * rs6000.md (define_splits): Kill unused constraints.
1092 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1093 Jan Hubicka <jh@suse.cz>
1095 * function.c (thread_prologue_and_epilogue_insns): Kill code
1096 dealing with non-existent CFG.
1098 2001-08-01 Kazu Hirata <kazu@hxi.com>
1100 * alias.c: Fix comment formatting.
1101 * bitmap.c: Likewise.
1102 * builtins.c: Likewise.
1103 * calls.c: Likewise.
1104 * c-common.c: Likewise.
1105 * c-decl.c: Likewise.
1106 * c-dump.c: Likewise.
1107 * c-lex.c: Likewise.
1108 * collect2.c: Likewise.
1109 * combine.c: Likewise.
1110 * conflict.c: Likewise.
1111 * cppfiles.c: Likewise.
1112 * cppinit.c: Likewise.
1113 * cpplex.c: Likewise.
1114 * cpplib.c: Likewise.
1115 * cppmacro.c: Likewise.
1116 * cppspec.c: Likewise.
1117 * c-pragma.c: Likewise.
1118 * crtstuff.c: Likewise.
1120 * cselib.c: Likewise.
1121 * c-semantics.c: Likewise.
1122 * c-typeck.c: Likewise.
1124 2001-08-01 H.J. Lu <hjl@gnu.org>
1126 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1128 2001-08-01 H.J. Lu <hjl@gnu.org>
1130 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1132 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1134 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1135 contextualizing Objective-C class name lookup by the lexer.
1136 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1138 (protocoldef): Add support for forward @protocol declarations.
1139 (yylexname): Suppress ObjC class name lookup in certain contexts;
1140 re-enable after lookup is complete.
1141 (_yylex): Re-enable ObjC class name lookup when certain
1142 punctuation marks are seen.
1144 * objc/objc-act.c (check_protocol_recursively): New function used
1145 for finding circular dependencies in protocols.
1146 (objc_declare_protocols): New function for handling forward
1147 @protocol declarations.
1148 (receiver_is_class_object): Detect the case when 'self' is used
1149 inside of a class method.
1150 (build_message_expr): Issue a warning if class method is desired
1151 but instance method is found instead.
1152 (conforms_to_protocol): Streamline.
1153 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1154 protocol Foo, even if 'Bar foo' does not.
1155 (check_protocols): Streamline.
1156 (start_protocol): Add checks for circular and duplicate protocol
1158 (encode_aggregate_within): For typedefs of structs, encode the
1160 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1161 (objc_declare_protocols): New prototype.
1163 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1165 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1166 * cpplex.c (handle_newline): Update prototype. Maintain logical
1168 (skip_escaped_newlines, skip_block_comment, parse_string):
1170 (_cpp_lex_token): Update, and store token position within the token.
1171 * cpplib.h (struct cpp_token): Add line and column entries.
1172 * cppmacro.c (replace_args): Position stringified tokens correctly.
1174 2001-08-01 Andreas Jaeger <aj@suse.de>
1176 * basic-block.h: Add prototype for last_loop_beg_note.
1178 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1180 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1181 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1183 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1184 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1185 expand_decl_cleanup.
1186 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1188 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1189 operand while calling simple_cst_equal.
1190 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1191 operand is the cleanup expression, the third is the RTL_EXPR.
1192 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1194 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1196 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1198 2001-07-31 matthew green <mrg@eterna.com.au>
1200 * config.gcc (i386-*-netbsdelf): New description.
1201 * config/i386/netbsd-elf.h: New file.
1203 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1205 * loop.c (check_dbra_loop): Use single_set to compute
1208 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1210 PowerPC reorg and support for powerpc64-*-linux*.
1212 Also fixes emitting of constants on 32 bit and 64 bit
1215 * config.gcc: powerpc64-*-linux* is a new target.
1216 Things that needed aix.h now also include xcoff.h
1218 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1220 Move AIX specific stuff into aix.h.
1221 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1222 with more than just XCOFF now.
1223 (SET_ASM_OP): Remove, now defined where needed.
1224 (FUNCTION_PROLOGUE): New macro definition.
1225 (FUNCTION_EPILOGUE): New macro definition.
1226 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1228 * config/rs6000/xcoff.h: New file.
1230 * config/rs6000/linux64.h: New file.
1232 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1234 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1236 * rs6000.c (print_operand_address): Handle ELF syntax.
1237 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1238 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1239 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1241 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1243 * rs6000.c (rs6000_override_options): Only disable
1244 flag_function_sections for XCOFF.
1245 (exact_log2_cint_operand): New predicate.
1246 (reg_or_{add,sub}_cint64_operand): New predicates.
1247 (add_operand): Compare CONST_INT with fewer function calls.
1248 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1249 (print_operand, case 'p'): Ensure positive operand.
1250 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1251 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1252 (PREDICATE_CODES): Add new predicates.
1253 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1254 (divsi3, modsi3): Ensure positive power-of-2.
1255 (adddi3): Use new predicate. Split 32-bit constants more
1256 correctly. Re-arrange splitter to handle any constant.
1257 (subdi3): Use new predicate.
1258 (divdi3, moddi3): Ensure positive power-of-2.
1259 (movdi): Use rs6000_emit_set_const.
1260 (load_toc_v4_pic_di): Delete.
1262 2001-07-31 Graham Stott <grahams@redhat.com>
1264 * function.c (pad_below): Revert 2001-07-26 patch.
1266 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1268 * reg-stack (convert_regs_1): Fix best edge condition.
1270 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1272 * jump.c (duplicate_loop_exit_test): Better test for jumps
1273 entering the loop; create loop pre_header.
1275 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1277 * doc/install.texi: Add s390 and s390x as new targets.
1278 * doc/invoke.texi: Add documantation of S/390 and zSeries
1280 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1282 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1284 * config/m68k/m68k.md: Replace all general_operand with
1285 nonimmediate_operand for all destinations.
1286 * config/m68k/m68k.c (not_sp_operand): Likewise.
1288 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1290 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1292 2001-07-30 Richard Henderson <rth@redhat.com>
1294 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1295 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1297 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1299 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1300 Add missing doc strings
1301 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1302 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1304 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1306 * i386.c (ix86_output_main_function_alignment_hack): New function.
1307 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1309 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1310 edges by EDGE_DFS_BACK flag.
1311 (dump_edge_info): Add dfs_back flag.
1312 * basic-block.h (EDGE_DFS_BACK): New constant.
1313 (mark_dfs_back_edges): Declare.
1314 * alias.c (loop_p): Remove.
1315 (mark_constant_function): Use mark_dfs_back_edges.
1317 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1318 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1319 (compensate_edge): Break out from ...
1320 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1321 (convert_regs_2): Set block_done once block is really done;
1322 Do updating of the predecesors counts.
1324 * toplev.c (rest_of_compilation): Recompute block_for_insn
1325 before post-reload cfg_cleanup.
1326 * function.c (thread_prologue_epilogue_insns):
1327 Call set_block_for_new_insns when emitting prologue directly.
1329 2001-07-30 Andreas Jaeger <aj@suse.de>
1331 * jump.c: Add prototype for mark_modified_reg.
1333 * cse.c (set_live_p): Add unused attribute.
1335 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1337 (scan_for_source_files): Use long for count to avoid overflow.
1338 (output_data): Likewise.
1339 (output_data): Don't use string concatatenation to silence gcc
1342 * predict.c: Fix typos and grammar.
1344 * gcse.c (insert_insn_end_bb): Remove unused variables.
1346 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1348 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1349 (attempt_auto_inc): LIkewise.
1350 (mark_used_reg): Likewise.
1351 (try_pre_increment_1): Likewise.
1352 * regclass.c (regclass): Likewise.
1353 * global.c (allocno_compare): Update comment; change scaling factor.
1354 * local-alloc.c (QTY_CMP_PRI): Likewise.
1355 * regs.h (REG_FREQ_FROM_BB): New.
1356 (REG_FREQ_MAX): Likewise.
1358 2001-07-30 H.J. Lu <hjl@gnu.org>
1360 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1363 2001-07-30 H.J. Lu (hjl@gnu.org)
1365 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1366 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1367 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1369 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1371 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1372 as -mthumb-interwork when -mcpu=arm7 is specified.
1374 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1376 * predict.def (noreturn, loop branch, loop exit): Mark as first
1379 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1381 * combine.c (try_combine): Avoid barrier after noop jumps.
1383 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1385 * cpphash.h (struct cpp_reader): Remove import_warning.
1386 * cpplib.c (skip_rest_of_line): Don't bother turning off
1388 (parse_include): Move include handling to...
1389 (do_include_common): ... here. Move import warning from...
1390 (do_import): ... here.
1391 (do_pragma_poison): Don't do a callback for poison identifiers.
1392 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1393 * cppmain.c (setup_callbacks): Similarly.
1395 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1397 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1398 handle multiple sets.
1399 * except.c (sjlj_mark_call_sites): .... here.
1400 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1402 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1404 Suggested by Richard Henderson and Richard Kenner:
1405 * combine.c (recog_for_combine): Use the fake recog
1406 only if instruction does not match.
1407 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1408 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1410 * combine.c (try_combine): Discover noop jump as direct jump.
1412 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1414 * df.c (df_rd_global_compute): Add successors to worklist, not
1416 (df_ru_global_compute): Ditto.
1418 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1420 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1421 increment REG_N_SETS.
1423 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1425 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1427 * sbitmap.c (sbitmap_a_xor_b): New function.
1428 ifdef the basic block stuff on IN_GCC.
1430 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1432 * cppexp.c (parse_defined): Always record the macro name.
1433 (lex): Don't worry about identifiers, or special-case
1435 (_cpp_parse_expr): Figure out at the end of the routine
1436 whether we saw a valid !defined() expression.
1437 * cppfiles.c (stack_include_file): Update for mi_valid.
1438 (_cpp_pop_file_buffer): Similarly.
1439 * cpplex.c (_cpp_lex_token): Similarly.
1440 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1441 mi_if_not_defined, mi_lexed): Remove.
1443 * cpplib.c (do_if): Simplify.
1444 (do_endif, push_conditional, _cpp_handle_directive): Update
1445 for renaming of mi_state to mi_valid.
1447 * cpp.texi: Add index entries for digraphs, and add comment
1448 that C++ refers to them as alternative tokens.
1450 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1452 * basic-block.h (CLEANUP_PRE_LOOP): New.
1453 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1454 * sibcall.c (optimize_sibling_calls): Likewise.
1455 * toplev.c (rest_of_compilation): Likewise.
1456 * flow.c (try_forward_edges): Take argument MODE;
1457 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1458 (try_optimize_cfg): Update call of try_forward_edges.
1460 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1461 Jan Hubicka <jh@suse.cz>
1463 * (validate_replace_rtx_1): Fix simplification of MINUS.
1465 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1467 PR preprocessor/3669
1468 * cppinit.c (init_dependency_output): Turn off dump requests
1469 if sending dependencies to stdout.
1471 2001-07-28 Richard Henderson <rth@redhat.com>
1473 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1476 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1478 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1480 2001-07-28 Kazu Hirata <kazu@hxi.com>
1482 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1483 is VAR_DECL first to prevent an ICE.
1485 2001-07-28 Richard Henderson <rth@redhat.com>
1487 * varasm.c (immed_real_const_1): Don't elide special cases for
1489 (clear_const_double_mem): Clear const_tiny_rtx too.
1491 2001-07-28 Richard Henderson <rth@redhat.com>
1493 * dwarf2out.c (dw_val_class_offset): New.
1494 (struct dw_ranges_struct, dw_ranges_ref): New.
1495 (ranges_table, ranges_table_allocated): New.
1496 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1497 (add_AT_offset, add_ranges, output_ranges): New.
1498 (print_die, output_die): Handle dw_val_class_offset.
1499 (attr_checksum, size_of_die, value_format): Likewise.
1500 (gen_lexical_block_die): Handle non-contiguous blocks.
1501 (gen_block_die): Likewise.
1502 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1503 if needed. Dump the ranges table.
1504 * final.c (final_start_function): Remove unnecessary notes and
1505 rebuild the block tree before numbering the blocks.
1506 * function.c (reorder_blocks_0): Walk the existing block tree
1507 to unmark all blocks.
1508 (reorder_blocks_1): Create block fragments when duplicate block
1510 (reorder_fix_fragments): New.
1511 (reorder_blocks): Call it.
1512 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1514 2001-07-28 Richard Henderson <rth@redhat.com>
1516 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1518 2001-07-28 Richard Henderson <rth@redhat.com>
1520 * flow.c (add_to_mem_set_list): New function.
1521 (init_propagate_block_info): Use it.
1522 (mark_set_1): Likewise.
1523 (insn_dead_p): Canonicalize memory address for dead store
1524 comparison. Allow wider mode stores to kill narrower mode stores.
1525 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1526 (invalidate_mems_from_set): Don't handle MEMs.
1528 2001-07-28 Kazu Hirata <kazu@hxi.com>
1530 * config/h8300/h8300.h: Fix formatting.
1532 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1534 * basic-block.h (EDGE_FREQUENCY): New macro.
1535 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1537 * flow.c (find_sub_basic_blocks): Likewise.
1538 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1539 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1541 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1542 (HITRATE): New macro.
1543 (PRED_FLAG_FIRST_MATCH): New constant.
1544 (predictor_info): New field flgags.
1545 (combine_predictions_for_insn): Use DS theory to combine
1546 probabilities; set the edge probabilities when finished.
1547 (estimate_probability): Avoid duplicated matches
1548 of LOOP_BRANCH heuristics for nested loops; update comment.
1549 * predict.def: Add flags for each prediction, set probabilities
1550 according to B&L paper.
1551 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1553 * profile.c (compute_branch_probabilities): Cleanup way the edge
1554 probabilities are computed and REG_BR_PROB notes are dropped; if
1555 values does not match, emit error.
1556 (init_branch_prob): Do error instead of warning when profile driven
1557 feedback is missing or corrupt.
1559 2001-07-27 DJ Delorie <dj@redhat.com>
1561 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1562 against a constant, try to adjust the compare to have the desired
1563 constant in it so that min/max optimizations happen more often.
1565 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1567 * flow.c (last_loop_beg_note): New function.
1568 (redirect_edge_and_branch): Use it.
1569 (split_edge): Likewise.
1571 * alias.c (loop_p): Avoid uninitialized memory access.
1573 * flow.c (try_forward_edges): Avoid accessing freed memory.
1575 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1578 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1580 * doc/install.texi (Configuration): Properly link the host
1581 specific instructions also when generating HTML.
1583 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1585 * flow.c (redirect_edge_and_branch_force): Test
1586 target->global_live_at_start.
1588 2001-07-26 Richard Henderson <rth@redhat.com>
1590 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1591 * rtl.h (avoid_constant_pool_reference): Declare it.
1592 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1593 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1595 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1597 * rtl.h (cleanup_barriers): Declare.
1598 * jump.c (cleanup_barriers): New function.
1599 * toplev.c (rest_of_compilation): Call cleanup_barriers
1600 before loop optimizer and after bb_reorder.
1602 * flow.c (back_edge_of_syntactic_loop_p): New.
1603 (split_edge): Use it.
1605 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1607 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1609 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1611 * cse.c (cse_process_notes): Replace any registers if the address
1614 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1616 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1617 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1618 (propagate_block): Update prototype.
1619 * flow.c (update_life_info): Simplify the CFG and
1620 recalculate the global regs which are alive when
1621 removing dead code during a global update.
1622 (propagate_block): Return non-zero if an INSN is
1625 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1627 * Makefile.in (LIBICONV): Define.
1629 2001-07-26 Catherine Moore <clm@redhat.com>
1631 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1632 of conditional to avoid tree checking errors.
1634 2001-07-26 Kazu Hirata <kazu@hxi.com>
1636 * regmove.c (regmove_optimize): Don't replace a reg with
1637 another reg of a different mode.
1639 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1641 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1642 limit length of dependancy flush list.
1643 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1644 * sched-int.h (struct deps): Add pending_flush_length field.
1645 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1646 has 1 element in it.
1647 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1648 (sched_analyze): After a jump, if the pending memory flush list is too
1649 large, flush the pending lists.
1650 (init_deps): Initialize pending_flush_length to 0.
1651 * doc/invoke.texi (max_pending_list_length): Document parameter.
1653 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1655 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1656 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1657 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1659 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1661 * cpphash.h (struct_lexer_state): Delete was_skipping.
1662 Move skipping here from struct cpp_reader.
1663 * cpplex.c (parse_identifier): Update.
1664 (_cpp_lex_token): Don't skip tokens in a directive.
1665 * cpplib.c (struct if_stack): Update.
1666 (start_directive, end_directive): Don't change skipping state.
1667 (_cpp_handle_directive): Update.
1668 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1669 (do_else, do_endif): Update; only check for excess tokens if not
1670 in a skipped conditional block.
1671 (push_conditional): Update for new struct if_stack.
1673 2001-07-26 Graham Stott <grahams@redhat.com>
1675 * function.c (locate_and_pad_parm): Also pad initial offset
1676 so that the total argument size also includes the padding.
1678 2001-07-26 Graham Stott <grahams@redhat.com>
1680 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1681 change XSTR to XTMPL.
1683 (process_one_cond_exec): Likewise
1685 2001-07-25 Richard Henderson <rth@redhat.com>
1687 * varasm.c (assemble_variable): Create DECL_RTL before setting
1690 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1692 * predict.c (estimate_probability): Avoid duplicated predictions.
1694 * loop.c (find_and_verify_loops): Grok multiple barriers.
1696 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1698 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1700 * dbxout.c: Consistently use putc instead of fputc.
1701 (print_wide_int): New function; call instead of direct fprintf.
1702 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1703 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1704 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1705 (print_int_cst_octal): Likewise.
1706 (print_octal): Show we wrote characters.
1707 (dbxout_type): Set have_used_extensions in more places.
1709 2001-07-25 Catherine Moore <clm@redhat.com>
1711 * config/v850/v850.c (v850_va_arg): Use addr
1712 instead of valist to build incr.
1714 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1716 * flow.c (delete_dead_jumptables): New function.
1717 (life_analyzis): Call it.
1718 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1721 2001-07-25 Richard Henderson <rth@redhat.com>
1723 * except.c (reachable_handlers): Handle a region being removed
1724 out from under a RESX.
1726 2001-07-25 Richard Henderson <rth@redhat.com>
1728 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1729 swap GE/GT if it is an fp comparison.
1731 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1733 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1736 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1738 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1739 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1742 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1744 (visit_expression): When attempting to simplify an expression,
1745 retrieve any modes for arguments before they are simplified
1748 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1749 Janis Johnson <janis@us.ibm.com>
1751 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1752 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1753 pointer parameters to match documented usage of nonlocal_goto.
1754 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1755 parameters to their correct order.
1756 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1757 parameters to their correct order.
1759 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1761 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1763 2001-07-25 Jan Hubicka <jh@suse.cz>
1764 Richard Henderson <rth@redhat.com>
1766 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1768 (make_edges): New argument update_p; populate the edge cache if set.
1769 (find_basic_blocks): Update make_edges invocation.
1771 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1773 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1775 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1777 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1778 -Acpu and -Amachine.h.
1779 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1780 Corrected header to say ELF not a.out.
1781 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1782 when given -msoft-float.
1784 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1786 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1787 extra multilib parts like arm-elf.
1788 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1789 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1790 crtfini.o as extra multilib parts.
1792 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1794 * configure.in: Add rtems as a supported thread model.
1795 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1796 * configure: Rebuilt.
1798 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1800 * stor-layout.c (get_mode_alignment): make it work when
1801 BITS_PER_UNIT is not a power of two.
1802 * builtins.c (get_pointer_alignment): Likewise.
1804 2001-07-24 Richard Henderson <rth@redhat.com>
1806 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1807 the retrieved constant into the expected mode.
1809 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1811 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1812 (verify_flow_info): Check for duplicated edges; clarify
1815 * flow.c (block_label): Update basic_block_for_insn.
1816 (commit_edge_insertions): Call compute_bb_for_insn.
1818 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1821 * flow.c (redirect_edge_and_branch,
1822 try_optimize_cfg): Use redirect_edge_succ_nodup
1823 (redirect_edge_succ_nodup): New.
1824 * basic_block.h (redirect_edge_succ_nodup): Declare.
1826 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1829 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1831 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1832 (try_crossjump_to_edge): Update commetns.
1833 (try_crossjump_bb): Likewise.
1835 2001-07-24 Richard Henderson <rth@redhat.com>
1837 * combine.c (distribute_notes): Move set of need_refresh
1838 for noop_move_p down to catch all cases.
1840 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1842 * recog.c (split_all_insns_noflow): New.
1843 * rtl.h (split_all_insns_noflow): Declare.
1844 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1845 * m68hc11.c (m68hc11_reorg): Likewise.
1846 * sh.c (machine_dependent_reorg): Likewise.
1847 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1850 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1852 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1853 (ashlsi3_n splitter): Likewise.
1854 (lshrsi3_n splitter): Likewise.
1856 (GOTaddr2picreg): Make const SImode.
1857 (sym_label2reg): Likewise.
1858 (symGOT2reg): Likewise.
1859 (symGOTOFF2reg) Likewise.
1861 (casesi_worker_0): Make unspec SImode.
1863 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1865 * config/sh/sh.c (barrier_align): Check that an operand really is
1866 an insn before extracting its INSN_CODE.
1868 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1870 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1873 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1874 for SImode to prevent overflow.
1876 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1878 * config/mips/irix6-libc-compat.c: New file.
1879 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1880 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1883 2001-07-24 lars brinkhoff <lars@nocrew.org>
1885 * rtl.texi (REG_POINTER): Document.
1886 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1887 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1889 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1891 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1893 2001-07-23 Richard Henderson <rth@redhat.com>
1895 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1897 2001-07-23 Kazu Hirata <kazu@hxi.com>
1899 * config/h8300/h8300-protos.h: Add a prototype for
1900 general_operand_dst_push.
1901 * config/h8300/h8300.c (general_operand_dst_push): New.
1902 * config/h8300/h8300.h (OK_FOR_T): New.
1903 (EXTRA_CONSTRAINT): Use it.
1904 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1905 the existing movqi pattern.
1906 (movhi_push): Likewise.
1908 * reload.c: Fix comment typos.
1910 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1912 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1914 2001-07-23 H.J. Lu (hjl@gnu.org)
1916 * doc/extend.texi: Update __builtin_return_address and
1917 __builtin_frame_address.
1919 2001-07-23 Richard Henderson <rth@redhat.com>
1921 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1923 * config/i386/i386.md: New setcc+movzbl peephole2.
1925 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1927 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1928 * objc/objc-act.c: Include debug.h.
1929 (synth_module_prologue): Save and restore debug hooks too.
1931 2001-07-23 lars brinkhoff <lars@nocrew.org>
1933 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1934 and C4X_FLOAT_FORMAT.
1935 (BOOL_TYPE_SIZE): Document.
1937 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1939 * unroll.c (loop_iterations): Fix miscalculation of initial
1942 2001-07-13 Andrew Haley <aph@redhat.com>
1944 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1945 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1946 * config/sh/sh.c (sh_can_redirect_branch): New function.
1947 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1948 * reorg.c (steal_delay_list_from_target): Use
1949 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1951 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1953 * flow.c (try_simplify_condjump): Unlink insn chain on
1954 fallthru edge; use can_fallthru.
1956 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1958 * basic-block.h (find_sub_basic_block): Declare.
1959 * flow.c (make_edges): New arguments MIN and MAX;
1960 (find_sub_basic_blocks): Revamp to use make_edges
1961 and purge_dead_edges.
1962 (find_basic_blocks): Update call of find_sub_basic_block.
1964 * recog.c (split_all_insns): Always expect CFG to be consistent;
1965 call find_sub_basic_blocks in case something has changed.
1966 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1969 * basic-block.h (delete_noop_moves): Declare.
1970 * combine.c (combine_instructions): Call it.
1971 (recog_for_combine): Tolerate noop moves
1972 (distribute_notes): Force refresh when register dies at noop move.
1973 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1975 (life_analysis): Update delete_noop_moves call.
1976 (set_noop_p): Move too ...
1977 * rtlanal.c (noop_move_p): ... here.
1978 * rtl.h (noop_move_p): Declare.
1980 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1981 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1983 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1984 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1986 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1988 * reload.c (push_reload): Fix typo in comment.
1989 (find_reloads_address): Ditto.
1990 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1992 2001-07-22 Richard Henderson <rth@redhat.com>
1994 * flow.c: Grammar check and clarify a lot of comments.
1995 (try_simplify_condjump): Rename variables to be clearer.
1996 (try_forward_edges): Skip complex and fallthru edges.
1997 Rearrange tests to avoid duplicate checks.
1998 (flow_find_cross_jump): Likewise.
1999 (outgoing_edges_match): Allow match if neither branch has
2000 probability data. Loosen probability match to 5%.
2001 (try_crossjump_to_edge): Hoist repeated indirection into
2003 (try_crossjump_bb): Don't check complex edges. Eliminate
2004 redundant crossjump tests.
2005 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2006 checks before more expensive checks.
2008 2001-07-22 Richard Henderson <rth@redhat.com>
2010 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2011 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2014 2001-07-22 Richard Henderson <rth@redhat.com>
2016 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2017 (const_sint32_operand): Likewise.
2018 * m68k.md (anon mulsi pattern): Use const_int_operand not
2019 const_sint32_operand.
2020 (umulsi3_highpart): Zero extend a constant input.
2021 (smulsi3_highpart): Don't bother checking SImode constant.
2022 (const_umulsi3_highpart): Give op3 DImode.
2023 (const_smulsi3_highpart): Likewise.
2025 2001-07-22 Richard Henderson <rth@redhat.com>
2027 * flow.c (split_block): Make sure bb_note is included in the
2028 new block when splitting before a label.
2030 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2032 * basic-block.h (redirect_edge_and_branch_force,
2033 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2034 * flow.c (redirect_edge_and_branch_force,
2035 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2036 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2037 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2038 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2039 instead of label; update CFG after transformation.
2040 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2041 for finishing the transformation; handle even case where ELSE
2042 does not follow THEN.
2043 (find_if_case_2): Update call of dead_or_predictable; simplify
2046 * emit-rtl.c (split_branch_probability): New global variable.
2047 (try_split): Take care to set split_branch_probability and
2048 create REG_BR_PROB note for new jump insns.
2049 * md.texi (define_split): Document new feature.
2051 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2053 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2055 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2056 (asm_out_file): Remove redundant declaration.
2057 (assemble_asm): Remove old #if 0 block.
2058 (assemble_variable): Remove end of function; debug output is
2059 now handled with global_decl. Remove old #if 0 block. Update.
2060 Remove saved_in_section and associated no-op code.
2061 * Makefile.in (varasm.o): Correct dependencies.
2063 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2065 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2066 the definition in defaults.h.
2068 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2070 * jump.c: Update comments.
2071 (delete_barrier_successors, delete_unreferenced_labels,
2072 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2073 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2074 jump_optimize, jump_optimize_minimal): Kill.
2075 (rebuild_jump_labels): Move code from jump_optimize_1.
2076 (purge_line_number_notes): Likewise.
2077 (copy_loop_headers): Likewise.
2078 * reg-stack.c: Update comment.
2080 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2081 JUMP_AFTER_REGSCAN): Kill.
2082 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2083 purge_line_number_notes and copy_loop_headers.
2085 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2086 Richard Henderson <rth@redhat.com>
2088 * dbxout.c (dbxout_global_decl): New.
2089 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2090 * sdbout.c (sdbout_finish): New.
2091 (sdbout_debug_hooks): Use it, add comments.
2092 (sdbout_global_decl): Defer initialised public vars to
2094 * varasm.c (assemble_variable): Don't output debug information
2095 for file-scope variables.
2097 2001-07-22 Richard Henderson <rth@redhat.com>
2099 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2100 (get_round_mode_suffix): New.
2101 (print_operand): Use them for [/]. Remove support for [&'`()+].
2102 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2103 * config/alpha/alpha.md (attr round_suffix): New.
2104 (attr trap_suffix): New.
2105 (all insns): Set them appropriately. Use %/ instead of the
2108 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2110 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2112 2001-07-22 Richard Henderson <rth@redhat.com>
2114 * regrename.c (regrename_optimize): Compute nregs for each
2115 potential target register.
2117 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2118 Richard Henderson <rth@redhat.com>
2120 * dbxout.c (dbxout_global_decl): New.
2121 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2122 * sdbout.c (sdbout_finish): New.
2123 (sdbout_debug_hooks): Use it, add comments.
2124 (sdbout_global_decl): Defer initialised public vars to
2126 * varasm.c (assemble_variable): Don't output debug information
2127 for file-scope variables.
2129 2001-07-21 H.J. Lu (hjl@gnu.org)
2131 * config/mips/mips.c (mips_cpu): Moved into ...
2132 (override_options): Here.
2134 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2136 (mips_cpu): Removed.
2138 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2140 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2141 ("iorqi3"): Likewise.
2142 ("xorqi3"): Likewise.
2143 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2144 ("*subhi3_sp): Likewise.
2145 ("*subhi3"): Likewise.
2146 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2149 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2151 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2152 * config/freebsd.h: Likewise.
2153 * config/linux.h: Likewise.
2154 * config/openbsd.h: Likewise.
2155 * config/alpha/linux-elf.h: Likewise.
2156 * config/arm/linux-elf.h: Likewise.
2157 * config/d30v/d30v.h: Likewise.
2158 * config/fr30/fr30.h: Likewise.
2159 * config/ia64/aix.h: Likewise.
2160 * config/ia64/ia64.h: Likewise.
2161 * config/mips/linux.h: Likewise.
2162 * config/pj/pj.h: Likewise.
2163 * config/rs6000/linux.h: Likewise.
2164 * config/sparc/linux.h: Likewise.
2165 * config/sparc/linux64.h: Likewise.
2167 2001-07-20 Bruce Korb <bkorb@gnu.org>
2169 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2170 because getc() and char* may disagree on signedness.
2172 2001-07-20 Richard Henderson <rth@redhat.com>
2174 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2176 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2177 insns to delete in the presence of cc0 in a jump insn.
2179 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2180 Jan Hubicka <jh@suse.cz>
2182 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2183 of doing the change by hand.
2185 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2187 * rtlanal.c (set_noop_p): Return true for noop jumps.
2189 * expr.c (emit_single_push_insn): Add call to push expander.
2190 * expr.h (optab_index): Add OTI_push
2191 (push_optab): New constant.
2192 * genopinit.c (optabs): Add push_optab.
2193 * optabs.c (init_optab): Init push optab.
2194 * md.texi (push??1): Document
2196 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2198 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2199 expand to emit the pattern; put a REG_INC note for push/pop
2201 ("movdf", "movdf_internal"): Likewise.
2202 ("movsi", "movsi_internal"): Likewise.
2203 ("movsf", "movsf_internal"): Likewise.
2204 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2206 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2208 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2211 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2213 * params.def: Change default max inline insns to 100.
2215 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2217 * combine.c (combine_simplify_rtx): Generate a new shift operation
2218 when simplifying the first operand of a (neg (ashift)) expression.
2220 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2222 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2224 2001-07-20 Kelley Cook <kelley.cook@home.com>
2226 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2227 information. Move rest into ...
2228 (*-*-solaris): ... here. Eliminate redundant information and
2229 reword necessary packages section. Delete 4.x assembler bug info.
2230 (sparc-sun-*): Merge into ...
2231 (sparc-sun-sunos*): here.
2233 2001-07-20 Catherine Moore <clm@redhat.com>
2235 * config/v850/v850.md (casesi): Generate LABEL_REF
2238 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2240 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2241 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2242 * i386.md (strclrsi expander): Use it.
2244 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2246 * integrate.c (copy_insn_list): handle
2247 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2248 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2249 identically as to CODE_LABEL.
2251 * fold-const (fold): Convert A/B/C to A/(B*C) and
2254 * except.c (connect_post_landing_pads): Delete the RESX insns.
2256 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2258 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2260 * config/mips/mips.md (nmadd/nmsub): Use macro.
2262 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2264 * cppinit.c (remove_dup_dir): Make static.
2265 (remove_dup_dirs): Make static. Only warn about preempting a
2266 system directory with a non-system directory.
2268 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2270 * ifcvt.c (noce_try_store_flag_constants): Correct order
2271 of parameters to trunc_int_for_mode.
2273 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2275 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2276 an exception that will be caught within this function, do not fill
2277 its delay slot with any subsequent instruction.
2279 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2281 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2282 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2283 pointer extension instruction.
2284 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2285 * simplify-rtx.c (simplify_unary_operation) Likewise.
2286 * explow.c (convert_memory_address) Check value of
2287 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2289 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2290 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2291 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2292 Add Multilib Support.
2293 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2294 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2295 Add Multilib Support.
2296 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2298 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2299 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2300 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2302 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2304 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2305 old and new operands in `<', `3' and `b'.
2307 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2309 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2310 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2311 (toplev.o): Don't depend on xcoffout.h.
2312 * c-decl.c: Include debug.h
2313 (duplicate_decls): Use debug hook.
2314 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2315 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2316 (dbxout_types): Remove.
2317 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2318 * debug.c (do_nothing_debug_hooks): Update.
2319 (debug_true_tree, debug_nothing_rtx): New.
2320 * debug.h (struct rtx_def): New.
2321 (struct gcc_debug_hooks): New hooks ignore_block,
2322 outlining_inline_function and label.
2323 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2324 dwarf2out_frame_finish): New.
2325 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2326 Make static, update prototype.
2327 (dwarf2_debug_hooks): Update.
2328 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2329 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2330 * dwarfout.c (dwarf_debug_hooks): Update.
2331 * emit-rtl.c: Include debug.h.
2332 (remove_unnecessary_notes): Use debug hook.
2333 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2334 (final_scan_insn): Use debug hook.
2335 * integrate.c (output_inline_function): Use debug hook.
2336 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2337 (sdb_debug_hooks): Update.
2338 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2339 * toplev.c: Don't include xcoffout.h.
2340 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2341 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2343 * tree.h (dwarf2out_do_frame): Remove.
2345 2001-07-19 Catherine Moore <clm@cygnus.com>
2347 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2349 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2351 * reload1.c (eliminate_regs_in_insn): When updating a set
2352 to the frame pointer to the hardware frame pointer, perform
2353 the update always not just when REPLACE is set.
2355 * reload1.c (choose_reload_regs): Don't inherit a reload
2356 that crosses multiple registers if registers past the first
2357 don't fit in the desired class.
2359 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2360 when negating constants.
2362 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2364 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2365 * doc/tree.texi: Ditto.
2367 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2368 Jakub Jelinek <jakub@redhat.com>
2370 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2371 (extract_cie_info): Handle "eh" augmentation properly,
2373 (struct frame_state, __frame_state_for): New.
2375 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2377 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2378 HANDLE_SYSV_PRAGMA): Define.
2379 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2381 (copy_object): Caller changed.
2383 2001-07-19 Andreas Schwab <schwab@suse.de>
2385 * configure.in (assembler dwarf2 debug_line support): Define nop
2387 * configure: Regenerated.
2389 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2391 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2393 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2394 to conditionally compiled block.
2395 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2396 * dbxout.h (dbxout_function): Remove.
2397 * debug.c (do_nothing_debug_hooks): Update.
2398 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2399 global_decl, deferred_inline_function.
2400 * dwarf2out.c (dwarf2_debug_hooks): Update.
2401 (dwarf2out_global_decl): New.
2402 * dwarfout.c: Don't include dwarfout.h.
2403 (dwarfout_global_decl, dwarfout_function_decl,
2404 dwarfout_deferred_inline_function): New.
2405 (dwarf_debug_hooks): Update.
2406 * dwarfout.h: Remove.
2407 * final.c: Don't include dwarfout.h.
2408 * sdbout.c (sdbout_global_decl): New.
2409 (sdbout_debug_hooks): Update.
2410 * toplev.c: Don't include dwarfout.h.
2411 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2412 (note_deferral_of_defined_inline_function): Remove.
2413 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2414 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2415 * ch/lex.c: Don't include dwarfout.h.
2416 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2417 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2418 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2419 * cp/optimize.c: Include debug.h.
2420 (maybe_clone_body): Use debug hook.
2421 * cp/semantics.c: Include debug.h.
2422 (expand_body): Use debug hook.
2423 * po/POTFILES.in: Remove dwarfout.h.
2425 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2427 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2428 * c-parse.in (yyerror, _yylex): Similarly.
2429 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2430 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2432 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2433 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2435 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2437 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2438 in-class declaration at -g1. Fixes c++/2814.
2440 2001-07-18 Richard Henderson <rth@redhat.com>
2442 * doc/md.texi (reload_in/out): Document restrictions in predicates
2443 and constraints for these patterns. Document empty string matching
2446 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2448 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2450 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2452 * cse.c: Undo my previous patch.
2454 2001-07-18 Tom Tromey <tromey@redhat.com>
2457 * configure: Rebuilt.
2458 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2460 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2462 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2463 Jan Hubicka <jh@suse.cz>
2465 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2466 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2467 * jump.c (mark_jump_label): Do not forward branches.
2469 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2471 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2472 when return value is unused.
2474 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2476 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2478 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2480 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2481 on error. We can't blindly return the result of
2482 pthread_mutex_trylock because it returns a positive number on
2483 error, while we must return -1 on error.
2484 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2486 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2488 2001-07-18 Andreas Jaeger <aj@suse.de>
2490 * integrate.c (output_inline_function): Correct type of debug_hooks.
2492 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2494 * combine.c (combine_simplify_rtx): DIV can be treated
2495 associatively for floats if unsafe math optimisations are enabled.
2497 2001-07-17 Richard Henderson <rth@redhat.com>
2499 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2501 2001-07-17 Richard Henderson <rth@redhat.com>
2503 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2504 don't force the function address into a register.
2505 (expand_call, emit_library_call_value_1): Update callers.
2506 * builtins.c (expand_builtin_apply): Likewise.
2507 * expr.h (prepare_call_address): Update decl.
2509 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2511 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2513 * config/i386/chorus.h: Move up.
2514 * config/sparc/chorus.h: Likewise.
2515 * config/rs6000/chorus.h: Likewise.
2516 * config/chorus.h: Moved here.
2518 2001-07-17 Andreas Schwab <schwab@suse.de>
2520 * configure.in (assembler eh_frame optimization): Handle big
2522 * configure: Regenerated.
2524 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2526 * expr.c (epxand_expr): Convert divisions into multiplications by
2527 reciprocals if -ffast-math.
2529 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2531 * dbxout.c (dbxout_really_begin_function): Rename to
2532 dbxout_begin_function.
2533 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2534 (dbxout_begin_function): Remove.
2535 (dbxout_function): Update.
2536 (dbxout_source_line): Update prototype.
2537 * dbxout.h (dbxout_begin_function): Remove.
2538 * debug.c (do_nothing_debug_hooks): Update.
2539 (debug_nothing_tree): Update.
2540 (debug_nothing_charstar_rtx): Remove.
2541 * debug.h (union tree_node): Declare.
2542 (struct rtx_def): Remove.
2543 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2544 begin_function. Change source_line prototype.
2545 (debug_nothing_tree): New.
2546 (debug_nothing_charstar_rtx): Delete.
2547 (dwarf2out_begin_prologue): Moved from ...
2549 * dwarf2out.c (dwarf2_debug_hooks): Update.
2550 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2551 debug info, call dwarf2out_source_line.
2552 (dwarf2out_souce_line): Update prototype.
2553 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2554 Change prototype, make static.
2555 (dwarfout_source_line): Update prototype.
2556 (dwarf_debug_hooks): Update.
2557 * dwarfout.h (dwarfout_begin_function): Remove.
2558 * final.c (final_start_function, final_scan_insn): Use appropriate
2559 debug hooks, update to use notice_source_line.
2560 (output_source_line): Rename notice_source_line. Don't call the
2561 source_line debug hook.
2562 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2563 make static, update prototype.
2564 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2566 (sdbout_end_prologue): New.
2567 (sdbout_source_line): Update prototype.
2568 (sdbout_debug_hooks): Update.
2569 (sdbout_symbol): Remove unused var.
2570 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2572 * varasm.c: Include debug.h.
2573 (assemble_start_function): Use begin_function debug_hook.
2574 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2575 update with prototype.
2576 (xcoffout_source_line): Update prototype.
2577 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2579 (xcoffout_source_line): Update prototype.
2581 2001-07-17 Richard Henderson <rth@redhat.com>
2583 * c-typeck.c (build_binary_op): Do not shorten unsigned
2584 right shift after sign extension.
2586 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2588 * combine.c (combine_simplify_rtx): Attempt to simplify
2589 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2591 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2592 (simplify_binary_operation, simplify_unary_operation,
2593 simplify_relational_operation): Use it.
2595 * combine.c (combine_simplify_rtx): Don't do associative law
2596 on divisions; allow associative law on floats.
2598 2001-07-17 H.J. Lu <hjl@gnu.org>
2599 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2601 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2602 ASM_OUTPUT_WEAK_ALIAS are defined.
2603 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2604 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2606 * config/mips/iris5.h: ... here.
2607 (HANDLE_SYSV_PRAGMA): Defined as 1.
2608 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2609 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2612 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2614 * c-parse.in (all_prefix_attributes): New variable.
2615 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2616 (maybe_resetattrs): New production.
2617 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2618 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2619 notype_initdcl, nested_function, notype_nested_function,
2620 component_decl, components, components_notype,
2621 component_declarator, component_notype_declarator,
2622 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2623 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2624 after a comma being applied to more than one declarator.
2625 * doc/extend.texi (Attribute Syntax): Update. Remove
2626 documentation of bugs that are no longer present.
2628 2001-07-13 Eric Christopher <echristo@redhat.com>
2630 * config/mips/mips.h: Change TUNE_MIPS* options to use
2632 (EXTRA_SPECS): Add cc1_cpu_spec.
2633 * config/mips/mips.md (muldf3): Fix typo.
2635 2001-07-16 Richard Henderson <rth@redhat.com>
2637 * config/m68k/m68k.c: Include expr.h and reload.h.
2638 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2639 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2641 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2642 Richard Henderson <rth@redhat.com>
2644 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2645 (insn_live_p): Fix fall off end of function.
2646 (dead_libcall_p): Remove COUNTS argument; update callers.
2647 (delete_trivially_dead_insns): Remove unused variables.
2649 2001-07-17 Andreas Jaeger <aj@suse.de>
2651 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2654 * lcm.c (optimize_mode_switching): Avoid warning for unused
2655 variable if !NORMAL_MODE.
2657 * flow.c (try_crossjump_to_edge): Remove unused variable.
2659 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2661 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2662 atexit declaration in stdlib.h.
2664 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2666 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2668 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2670 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2671 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2672 do rebuild_jump_labels instead of jump_optimize
2673 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2674 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2675 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2677 * flow.c: Include timevar.h
2678 (find_basic_block): Push/pop timevar;
2679 (cleanup_cfg): Likewise.
2680 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2681 * Makefile: Add dependencies on timevar.h
2683 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2684 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2686 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2687 * toplev.c (rest_of_compilation): Update calls.
2688 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2689 (delete_trivially_dead_insns): ... here; accept new argument
2690 preserve_basic_blocks; preserve basic blocks if set.
2692 * reg-stack.c (stack_regs_mentioned): Return 0 if
2693 stack_regs_mentioned_data is not initialized.
2694 (reg_to_stack): Make stack_regs_mentioned survive after the
2695 reg-stack is completted; do not call cleanup_cfg.
2696 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2697 make cleanup_cfg after bb-reorder to output to debug file.
2699 2001-07-16 Richard Henderson <rth@redhat.com>
2701 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2702 from int_reg_class_contents.
2704 2001-07-16 Richard Henderson <rth@redhat.com>
2706 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2707 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2708 (init_reg_sets_1): Move initialization from cse_main.
2709 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2710 (cse_main): Move its initialization also.
2711 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2712 * flow.c (propagate_one_insn): Likewise.
2713 * gcse.c (compute_hash_table): Likewise.
2714 (compute_kill_rd, compute_store_table): Likewise.
2715 * sched-deps.c (sched_analyze_1): Likewise.
2717 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2719 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2722 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2724 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2725 in if statement so we don't access undefined memory.
2727 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2729 * gcse.c: Update comment at top.
2730 Update comment on mem handling.
2731 mem_last_set, mem_first_set, mem_set_in_block: gone.
2732 Declaration of reg_set_info: gone.
2733 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2734 pointless with load_killed_in_block_p (they are *more*
2735 conservative then it, not less, and less accurate).
2736 (oprs_not_set_p): Ditto.
2737 (alloc_gcse_mem): Don't allocate mem_set_in_block
2738 (free_gcse_mem): Don't free it, either.
2739 (record_last_mem_set_info): Update comment in front, remove
2740 mem_*set_* stuff. Note the reason we don't handle stores directly
2742 (compute_hash_table): Update comments to reflect reality. Remove
2743 mem_*set_* references.
2744 (reset_opr_set_tables): Remove mem_*set_* references.
2746 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2747 (mark_clobber): Ditto (on both parts, we double set here too).
2748 (expr_killed_p): Remove mem_set_in_block test.
2749 (compute_transp): Remove mem_set_in_block test.
2751 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2752 of edge, and removal of phi alternative to dump file.
2753 (ssa_ccp_substitute_constants): Add note about register now being
2754 constant, and which uses were replaced in what insns to dump file.
2756 2001-07-16 Andreas Jaeger <aj@suse.de>
2758 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2759 variables of type HOST_WIDEST_INT.
2761 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2762 (__bb_exit_func): Correct type of count_max to avoid overflow.
2763 (num_digits): Handle long long argument.
2765 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2767 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2769 * output.h (sdb_begin_function_line): Restore as an extern
2771 * sdbout.c (sdb_begin_function_line): Make extern.
2773 2001-07-15 Richard Henderson <rth@redhat.com>
2775 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2776 * genrecog.c (maybe_both_true_mode): New.
2777 (maybe_both_true_2): Use it.
2778 (write_switch): Don't put Pmode in a switch.
2779 * rtl.c (mode arrays): Don't explicitly size them.
2781 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2783 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2784 handling; move unconditional splitting before mode switching.
2786 * i386.md (type): Add fistp type.
2787 (i387, length_attr, scheduling definitions): Handle this type.
2788 (fix_trunc?f?i2): Revamp to use mode switching.
2789 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2790 * i386.h (fp_cw_mode): New enum
2791 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2792 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2794 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2796 * Makefile.in (integrate.o): Add debug.h.
2797 * integrate.c (debug.h): Add.
2798 (output_inline_function): Save, reset, and restore debug_hooks.
2800 2001-07-15 Richard Henderson <rth@redhat.com>
2802 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2803 instead of COMPARE for the EQUIV expression.
2805 2001-07-15 Richard Henderson <rth@redhat.com>
2807 * flow.c (redirect_edge_and_branch_force): Initialize
2808 global_live_at_start and global_live_at_end.
2809 (allocate_bb_life_data): Export.
2810 * basic-block.h (allocate_bb_life_data): Declare.
2811 * toplev.c (rest_of_compilation): Call it.
2813 2001-07-15 Richard Henderson <rth@redhat.com>
2815 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2816 (alpha_tablejump_best_label): New.
2817 * config/alpha/alpha-protos.h: Declare them.
2818 * config/alpha/alpha.md: Use braced strings for code blocks.
2819 (tablejump_osf): Break out add with r29.
2820 (tablejump_osf_internal): Remove.
2821 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2822 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2824 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2826 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2829 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2831 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2832 (ix86_fp_jump_nontrivial_p): New.
2833 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2834 use ix86_fp_jump_nontrivial_p.
2835 * i386.c (ix86_fp_jump_nontrivial_p): New.
2836 (ix86_split_fp_branch): Accept code instead of rtx.
2837 (ix86_expand_compare): Expand comparison early in case
2838 doing so is resonably cheap.
2840 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2842 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2844 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2845 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2847 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2849 * dbxout.c (dbxout_source_line): Make static, update prototype.
2850 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2851 (dbxout_init, dbxout_finish, dbxout_source_line,
2852 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2853 * dbxout.h (dbxout_source_line): Delete.
2854 * debug.c (debug_nothing_file, debug_nothing_file_int,
2855 debug_nothing_file_charstar_rtx): New.
2856 (do_nothing_debug_hooks): Update.
2857 (debug_nothing_void, debug_nothing_charstar_rtx,
2858 dwarf2out_end_epilogue): New.
2859 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2860 * debug.h (struct rtx_def): Declare.
2861 (gcc_debug_hooks): New hooks source_line, end_epilogue
2863 (debug_nothing_void, debug_nothing_charstar_rtx,
2864 dwarf2out_end_epilogue): New.
2865 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2866 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2867 (dwarf2_debug_hooks): Update.
2868 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2869 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2870 * dwarf2out.h (dwarf2out_source_line): Remove.
2871 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2872 Make static, update prototype.
2873 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2874 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2875 (dwarf_debug_hooks): Update.
2876 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2877 dwarfout_end_function): Remove.
2878 * final.c (profile_function): Use debug hooks for ending functions
2880 (output_source_line, final_end_function): Update prototype,
2882 (final_start_function, final_scan_insn): Update.
2883 * output.h (sdb_begin_function_line): Remove.
2884 (final_end_function): Update prototype.
2885 * sdbout.c (sdb_begin_function_line): Make static.
2886 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2887 (sdbout_source_line): New.
2888 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2890 (sdb_debug_hooks): Update.
2891 (sdbout_init, sdbout_source_line,
2892 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2893 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2894 * toplev.c (compile_file, rest_of_compilation): Update.
2895 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2896 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2897 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2898 Update for prototype changes.
2899 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2900 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2902 2001-07-15 Richard Henderson <rth@redhat.com>
2904 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2905 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2906 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2907 * config/alpha/alpha.c: Likewise.
2908 * config/alpha/alpha.md: Likewise.
2909 * config/alpha/alpha32.h: Likewise.
2910 * config/alpha/vms.h: Likewise.
2913 2001-07-14 Richard Henderson <rth@redhat.com>
2915 * config/alpha/alpha.md: Use define_constants for unspec values.
2916 Substitute throughout.
2918 2001-07-14 Tim Josling <tej@melbpc.org.au>
2920 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2922 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2924 * pa.md: Remove unused constraints from define_split's.
2926 2001-04-14 Richard Henderson <rth@redhat.com>
2928 * ifcvt.c (find_cond_trap): Test for exit block.
2930 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2932 Re-install recently reverted patch.
2933 * emit-rtl.c (try_split): Update mark_jump_label call.
2934 * flow.c (find_sub_basic_blocks): Likewise.
2935 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2937 (mark_all_labels): Kill second parameter.
2938 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2939 (rebuild_jump_labels, jump_optimize_minimal): Update call
2941 (jump_optimize_1): Kill crossjumping code.
2942 (mark_jump_label): Kill cross_jump parameter.
2943 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2944 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2945 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2947 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2949 (dump_file_info): Likewise.
2950 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2951 reorganize passes to do reg-stack first, bb-reorder second.
2952 * invoke.texi (-d letters doc): Remove the jump2 pass.
2954 2001-07-14 Richard Henderson <rth@redhat.com>
2956 * ifcvt.c (find_cond_trap): New.
2957 (find_if_header): Call it.
2958 (merge_if_block): Relax existing jump sanity check.
2959 * jump.c (jump_optimize_1): Remove conditional trap handling.
2961 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2963 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2965 (insn_refs_are_delayed): Correct comment.
2966 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2967 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2968 instead of r31. Make associated insn !TARGET_64BIT, and
2969 provide an additional 64-bit insn that clobbers r2.
2971 (udivsi3): Likewise.
2973 (umodsi3): Likewise.
2975 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2977 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2979 * flow.c (redirect_edge_and_branch_force, split_edge,
2980 try_crossjump_to_edge): Use set_block_for_new_insns.
2981 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2983 2001-07-13 H.J. Lu (hjl@gnu.org)
2985 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2988 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2990 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2992 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2994 * c-common.c (decl_attributes): Take a pointer to the node to
2995 which attributes are to be attached, and a flags argument.
2996 * c-common.h (enum attribute_flags): New.
2997 (decl_attributes): Update prototype.
2998 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2999 finish_enum, start_function): Update calls to decl_attributes.
3000 * c-parse.in (component_declarator, component_notype_declarator,
3001 label): Update calls to decl_attributes.
3003 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3005 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3006 * config/avr/avr.c (legitimate_address_p): Return value changed
3007 from letter to register classes. For better debugging.
3009 2001-07-13 Kazu Hirata <kazu@hxi.com>
3011 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3013 2001-07-13 H.J. Lu (hjl@gnu.org)
3015 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3017 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3019 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3020 correctly for shared configurations.
3021 * config/t-libgcc-pic: New.
3022 * config/{i386,m68k,sparc}/t-openbsd: New.
3023 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3024 Support -shared. Support debugging libraries with -g.
3025 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3026 frame information does not emit pointer diffs.
3027 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3030 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3032 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3034 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3036 * combine.c (try_combine): Ensure const_int pow2 is positive.
3038 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3040 * config.gcc: Add configuration for s/390.
3041 * config/s390/s390.c: New. Subroutines for code generation.
3042 * config/s390/s390.h: New. Definitions for s/390.
3043 * config/s390/s390-protos.h: New. Prototypes.
3044 * config/s390/linux.h: New. Definitions for linux for s/390.
3045 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3046 * config/s390/t-linux: New. Makefile fragment.
3047 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3048 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3050 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3052 * emit-rtl.c (try_split): Update mark_jump_label call.
3053 * flow.c (find_sub_basic_blocks): Likewise.
3054 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3056 (mark_all_labels): Kill second parameter.
3057 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3058 (rebuild_jump_labels, jump_optimize_minimal): Update call
3060 (jump_optimize_1): Kill crossjumping code.
3061 (mark_jump_label): Kill cross_jump parameter.
3062 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3063 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3064 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3066 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3068 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3069 reorganize passes to do reg-stack first, bb-reorder second.
3070 * invoke.texi (-d letters doc): Remove the jump2 pass.
3072 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3074 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3076 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3078 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3080 (verify_flow_info): Make diagnostics prettier.
3082 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3084 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3086 * flow.c (outgoing_edges_match): Return early if condition reversal
3089 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3091 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3092 (mips_move_2words): When splitting a move into two instructions,
3093 prefix the second address operand with '%D'.
3095 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3097 * Makefile.in (final.o): Depend on debug.h.
3098 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3099 (dbx_debug_hooks): Add new hooks.
3100 (xcoff_debug_hooks): New.
3101 * debug.c (debug_nothing_file_int_int): New.
3102 (do_nothing_debug_hooks): Update.
3103 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3104 (debug_nothing_file_int_int): New.
3105 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3106 static, update prototype.
3107 (dwarf2_debug_hooks): Update.
3108 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3109 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3110 static, update prototype.
3111 (dwarf_debug_hooks): Update.
3112 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3113 * final.c: Include debug.h.
3114 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3115 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3116 static, update prototype.
3117 (sdb_debug_hooks): Update.
3118 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3119 * toplev.c: Distinguish between xcoff and dbx.
3121 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3122 Call all debug hooks, not just dwarf ones.
3124 2001-07-11 Timothy Wall <twall@redhat.com>
3126 * config.gcc: Add configuration for AIX5/IA64.
3127 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3128 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3129 support prefix/suffix code.
3130 * config/ia64/t-aix: New. Makefile fragment.
3131 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3133 2001-07-11 Kazu Hirata <kazu@hxi.com>
3135 * recog.c (validate_change): Fix a comment typo.
3137 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3139 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3140 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3142 * dbxout.c (dbx_debug_hooks): Add new hooks.
3143 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3145 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3147 * dbxout.h (dbxout_start_new_source_file,
3148 dbxout_resume_previous_source_file): Delete.
3149 * debug.c (do_nothing_debug_hooks): Add new hooks.
3150 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3151 (debug_nothing_int_charstar, debug_nothing_int): New.
3152 * debug.h (gcc_debug_hooks): New hooks define, undef,
3153 start_source_file and end_source_file.
3154 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3155 (debug_nothing_int_charstar, debug_nothing_int): New.
3156 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3157 the conditionally compiled section.
3158 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3159 dwarf2out_define, dwarf2out_undef): Make static.
3160 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3161 dwarf2out_define, dwarf2out_undef): Remove.
3162 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3163 (dwarfout_start_source_file, dwarfout_end_source_file,
3164 dwarfout_define, dwarfout_undef): Make static.
3165 (dwarfout_start_source_file_check,
3166 dwarfout_end_source_file_check): New.
3167 (dwarfout_define, dwarfout_finish): Update.
3168 * dwarfout.h (dwarfout_start_new_source_file,
3169 dwarfout_resume_previous_source_file, dwarfout_define,
3170 dwarfout_undef): Remove.
3171 * sdbout.c (sdb_debug_hooks): Add new hooks.
3172 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3174 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3175 make static, take an arg.
3176 * sdbout.h (sdbout_start_new_source_file,
3177 sdbout_resume_previous_source_file): Delete.
3178 * toplev.c (debug_start_source_file, debug_end_source_file,
3179 debug_define, debug_undef): Delete.
3180 * toplev.h (debug_start_source_file, debug_end_source_file,
3181 debug_define, debug_undef): Delete.
3183 * java/jcf-parse.c: Include debug.h.
3184 (parse_class_file): Update to use debug hooks directly.
3185 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3187 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3189 * alias.c (set_mem_alias_set): New function.
3190 * rtl.h (set_mem_alias_set): Declare it.
3191 * builtins.c (expand_builtin_return_addr): Call it instead of
3192 using MEM_ALIAS_SET accessor.
3193 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3194 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3195 (expand_builtin_va_copy):Likewise.
3196 * caller-save.c (setup_save_areas): Likewise.
3197 * calls.c (compute_argument_addresses): Likewise.
3198 * explow.c (set_mem_attributes): Likewise.
3199 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3200 (expand_assignment, store_constructor_field, store_field): Likewise.
3201 (expand_expr_unaligned): Likewise.
3202 * function.c (assign_stack_temp_for_type): Likewise.
3203 (put_reg_into_stack, gen_mem_addressof): Likewise.
3204 * ifcvt.c (noce_try_cmove_arith): Likewise.
3205 * reload1.c (reload, alter_reg): Likewise.
3206 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3207 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3208 (alpha_expand_unaligned_store): Likewise
3209 (alpha_expand_unaligned_load_words): Likewise.
3210 (alpha_expand_unaligned_store_words): Likewise.
3211 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3212 (alpha_expand_epilogue): Likewise.
3213 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3214 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3215 * config/i386/i386.c (legitimize_pic_address): Likewise.
3216 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3217 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3218 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3219 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3220 * config/mips/mips.c (mips_va_arg): Likewise.
3221 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3222 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3223 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3224 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3225 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3226 (rs6000_emit_epilogue): Likewise.
3227 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3228 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3229 * config/v850/v850.c (v850_va_arg): Likewise.
3231 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3233 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3234 when fallthru edge is present.
3235 (mege_blocks): Handle case where creation of jump insn
3238 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3239 CLEANUP_POST_REGSTACK): New constants.
3240 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3241 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3242 * output.h (cleanup_cfg): Update prototype.
3243 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3244 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3245 cleanup_cfg call; kill missleading comment.
3246 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3247 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3248 parameter; control optimizations performed using it.
3249 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3250 try_crossjump_bb): New functions.
3252 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3254 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3256 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3257 pa_output_function_prologue.
3258 * pa-protos.h (pa_output_function_prologue): New prototype.
3260 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3262 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3263 and low to get correct sign extension in low+high test.
3265 2001-07-11 Janis Johnson <janis@us.ibm.com>
3267 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3268 for large hit count.
3270 * profile.c (branch_prob): Fix .bbg info for computed gotos
3273 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3275 * stmt.c (parse_output_constraint): New function, split out
3277 (expand_asm_operands): ... here. Use parse_output_constraint.
3278 * tree.h (parse_output_constraint): Declare it.
3280 2001-07-11 Richard Henderson <rth@redhat.com>
3282 * bitmap.c: Comment some functions; fiddle whitespace.
3283 (bitmap_free): Don't export.
3284 (bitmap_element_allocate): Use memset.
3285 * bitmap.h (bitmap_free): Don't declare.
3287 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3289 * gcse.c, lcm.c, sched-deps.c:
3290 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3292 * flow.c (flow_loops_find): Free dom if we found no loops, since
3293 we aren't going to save it.
3295 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3298 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3300 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3302 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3304 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3305 #ifndef DWARF2_DEBUGGING_INFO.
3307 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3309 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3311 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3313 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3314 reverse a branch if a NE comparison is implemented with GTU.
3316 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3317 H.J. Lu <hjl@gnu.org>
3319 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3321 (call_internal2): Likewise.
3322 (call_value_internal1): Likewise.
3323 (call_value_internal2): Likewise.
3324 (call_value_multiple_internal1): Likewise.
3325 (call_value_multiple_internal2): Likewise.
3327 2001-07-10 Kazu Hirata <kazu@hxi.com>
3329 * calls.c (emit_library_call_value_1): Fix a comment typo.
3330 * dwarf2out.c (mem_loc_descriptor): Likewise.
3331 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3333 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3335 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3337 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3339 * recog.c (offsettable_address_p): Handle LO_SUM case.
3340 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3341 instead of plus_constant.
3343 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3345 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3346 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3348 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3350 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3351 adjust_address_nv instead of plus_constant.
3353 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3355 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3356 dwarf2out.o): Depend on debug.h, wrap long lines.
3357 * dbxout.c: Include debug.h.
3358 (dbx_debug_hooks): New.
3359 (dbxout_init): Make static, take just 2 args.
3360 (dbxout_finish): Make static.
3361 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3362 * debug.c: New file.
3363 * debug.h: New file.
3364 * dwarf2out.c: Include debug.h.
3365 (dwarf2_debug_hooks): New.
3366 (dwarf2out_init): Make static.
3367 (dwarf2out_finish): Make static, take 2 args.
3368 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3369 * dwarfout.c: Include debug.h.
3370 (dwarf_debug_hooks): New.
3371 (dwarfout_init): Make static.
3372 (dwarfout_finish): Make static, take 2 args.
3373 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3374 * sdbout.c: Include debug.h.
3375 (sdb_debug_hooks): New.
3376 (sdbout_init): Make static, take 2 args.
3377 * sdbout.h (sdbout_init): Delete.
3378 * toplev.c: Include debug.h.
3380 (compile_file): Set deubg_hooks based on command line options.
3381 Use the hooks unconditionally rather than conditional compilation.
3383 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3385 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3386 first_insn_after_basic_block_note instead.
3388 * df.c (df_bb_refs_unlink): #if 0 out for now.
3390 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3392 * ssa.h: Add prototype for ssa_const_prop
3393 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3394 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3395 (ssa_fast_dce): Remove unused variable
3397 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3399 * diagnostic.c (finish_diagnostic): Rename to
3400 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3403 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3405 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3408 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3409 (dump_file): Only pad the demangled name with spaces if the
3410 mangled name was padded with spaces.
3412 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3414 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3417 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3419 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3420 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3423 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3424 whether can put offset inside LO_SUM to check mode alignment, not size.
3426 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3428 * doc/tm.texi (Misc): Fix thinko.
3430 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3432 * regmove.c (replace_in_call_usage): Fix warnings.
3433 * sched-deps.c (add_dependence): Fix warnings.
3434 * simplify-rtx.c (simplify_subreg): Likewise.
3435 Return NULL_RTX instead of NULL.
3437 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3438 (subst_asm_stack_regs): Likewise.
3440 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3443 * dwarf2out.c (output_call_frame_info): Declare i as int.
3444 (build_abbrev_table): Declare n_alloc as int.
3445 (dwarf2out_finish): Initialize die.
3446 * except.c: Declare sjlj_funcdef_number as unsigned.
3447 (connect_post_landing_pads): Declare j as unsigned.
3448 (convert_to_eh_region_ranges): Initialize call_site.
3449 (output_function_exception_table): Initialize tt_format_size.
3450 * expr.c (move_by_pieces_1): Initialize to1.
3451 (store_constructor): Initialize minelt and maxelt.
3452 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3453 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3455 * c-decl.c (combine_parm_decls): Unused, remove.
3456 * c-tree.h: Remove prototype for combine_parm_decls.
3458 * reload.c (push_reload): Fix warning.
3459 (regno_clobbered_p): Likewise.
3460 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3461 (reload_combine): Likewise.
3463 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3464 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3466 * bitmap.c (bitmap_operation): Change user.
3467 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3469 2001-07-10 Eric Christopher <echristo@redhat.com>
3471 * config/mips/mips.c (override_options): Fix typo.
3473 2001-07-09 Stan Shebs <shebs@apple.com>
3475 * target.h (struct gcc_target): New fields init_builtins and
3477 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3478 (TARGET_EXPAND_BUILTIN): New macro.
3479 (TARGET_INITIALIZER): Add them.
3480 * builtins.c: Include target.h.
3481 (expand_builtin): Use targetm.expand_builtin.
3482 (default_init_builtins): New function.
3483 (default_expand_builtin): New function.
3484 * expr.h (default_init_builtins): Declare.
3485 (default_expand_builtin): Declare.
3486 * c-common.c (c_common_nodes_and_builtins): Use
3487 targetm.init_builtins.
3488 * defaults.h (MD_INIT_BUILTINS): Remove.
3489 * Makefile.in (builtins.o): Depend on target.h.
3491 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3492 (TARGET_EXPAND_BUILTIN): Define.
3493 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3494 (MD_EXPAND_BUILTIN): Remove.
3496 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3497 (TARGET_EXPAND_BUILTIN): Define.
3498 (c4x_init_builtins): Make endlink arg a local.
3499 (c4x_print_operand): Fix typos in adjust_address usages.
3500 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3501 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3502 (MD_EXPAND_BUILTIN): Remove.
3504 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3505 (TARGET_EXPAND_BUILTIN): Define.
3506 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3507 (ix86_init_builtins): Call new function only if TARGET_MMX.
3508 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3509 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3510 (MD_EXPAND_BUILTIN): Remove.
3512 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3513 (TARGET_EXPAND_BUILTIN): Define.
3514 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3515 (MD_EXPAND_BUILTIN): Remove.
3517 * doc/tm.texi: Document these changes.
3519 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3521 * basic-block.h (tree_node): Forward declare if needed.
3522 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3523 (BLOCK_HEAD_TREE): Define.
3524 (BLOCK_END_TREE): Define.
3525 (struct loops): Rename field 'tree' to 'tree_root'.
3526 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3528 (flow_loops_tree_build): Rename reference to field 'tree' to
3530 (flow_loops_level_compute): Ditto.
3531 * predict.c (estimate_bb_frequencies): Ditto.
3532 * tree.h (struct tree_common): Add field 'aux'.
3534 2001-07-09 Stan Shebs <shebs@apple.com>
3536 * config/darwin.c (darwin_encode_section_info): Don't mark any
3537 DECL_EXTERNAL node as defined.
3539 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3541 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3542 pa_free_machine_status, hppa_init_pic_save): Delete.
3543 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3544 (hppa_profile_hook): Use hppa_pic_save_rtx.
3545 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3546 hppa_init_pic_save): Delete.
3547 (hppa_pic_save_rtx): Declare.
3548 * pa.md (call, call_value, sibcall, sibcall_value,
3549 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3551 2001-07-09 Kazu Hirata <kazu@hxi.com>
3553 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3554 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3556 2001-07-09 Andreas Jaeger <aj@suse.de>
3558 * output.h: Add declaration of final_forward_branch_p.
3560 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3562 * varray.c: Include errors.h for internal_error and trim_filename
3565 * Makefile.in (varray.o): Add errors.h.
3567 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3569 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3570 * optabs.c (have_add2_insn): Check whether the add insn chosen
3571 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3572 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3574 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3576 * Makefile.in (OBJS): Add ssa-ccp.o
3577 (ssa-ccp.o): Add dependencies.
3578 * toplev.c (DFI_ssa_ccp): New dump file enum.
3579 (dump_file): Add entry for dumping after SSA CCP.
3580 (flag_ssa_ccp): New flag variable.
3581 (f_options): Add -fssa-ccp.
3582 (rest_of_compilation): Run SSA CCP if requested.
3583 * timevar.def (TV_SSA_CCP): New timevar.
3584 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3585 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3586 Fix minor typo in SSA DCE documentation.
3587 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3588 Add documentation for new dump option. Renumber dump files
3591 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3593 * emit-rtl.c (gen_highpart_mode): New.
3594 * rtl.h (gen_highpart_mode): Declare.
3595 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3596 operand can be VOIDmode constant.
3598 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3600 * flow.c (redirect_edge_and_branch_force): New.
3601 (can_fallthru): Ensure that basic blocks are succeeding.
3602 (try_optimize_cfg): Do not delete basic block if it is the last one.
3604 * flow.c (try_redirect_by_replacing_jump): Do not remove
3605 jumps with side effects, unlink chain on fallthru edge;
3606 set block for new jump instruction; avoid basic block to
3607 over by line number note.
3609 * flow.c (try_simplify_condjump): Verify that the condjump
3610 is not always falling trought.
3613 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3615 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3616 (try_redirect_by_replacing_jump): Update properly the count
3617 and frequency information.
3619 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3621 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3622 address that is a LO_SUM specially.
3623 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3625 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3627 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3628 (operand_subword): Use them.
3629 (change_address_1): Renamed from change_address; new arg VALIDATE.
3630 * expr.h: Reflect above changes; change_address now macro.
3631 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3633 * cselib.c (add_mem_for_addr): Likewise.
3634 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3635 * regmove.c (try_apply_stack_adjustment): Likewise.
3636 * reload.c (push_reload, make_memloc): Likewise.
3637 * reload1.c (eliminate_regs): Likewise.
3638 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3639 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3641 * combine.c (make_extraction, simplify_shift_const): Likewise.
3642 (gen_lowpart_for_combine): Likewise.
3643 * cse.c (gen_lowpart_if_possible): Likewise.
3644 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3645 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3646 * optabs.c (gen_move_insn): Likewise.
3647 * reload1.c (alter_reg): Likewise.
3648 * simplify-rtx.c (simplify_subreg): Likewise.
3649 * stmt.c (expand_anon_union_decl): Likewise.
3650 * recog.c (validate_replace_rtx_1): Likewise.
3652 * Makefile.in (recog.o): Add $(EXPR_H).
3653 * explow.c (stabilize): Call replace_equiv_address.
3654 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3655 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3657 2001-07-03 Andrew Haley <aph@redhat.com>
3659 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3660 the mode of the memory location.
3662 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3664 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3666 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3668 * final.c (output_addr_const): Use target opening and
3669 closing parentheses.
3670 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3671 defaults, add to TARGET_ASM_OUT.
3672 * target.h (struct gcc_target): Add open_paren and close_paren.
3673 * doc/md.texi: Update.
3674 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3675 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3676 TARGET_ASM_CLOSE_PAREN.
3677 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3679 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3681 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3682 * config/a29k/a29k.h: Similarly.
3683 * config/alpha/alpha.h: Similarly.
3684 * config/arc/arc.h: Similarly.
3685 * config/arm/aof.h: Similarly.
3686 * config/arm/aout.h: Similarly.
3687 * config/avr/avr.h: Similarly.
3688 * config/c4x/c4x.h: Similarly.
3689 * config/clipper/clipper.h: Similarly.
3690 * config/convex/convex.h: Similarly.
3691 * config/d30v/d30v.h: Similarly.
3692 * config/dsp16xx/dsp16xx.h: Similarly.
3693 * config/elxsi/elxsi.h: Similarly.
3694 * config/fr30/fr30.h: Similarly.
3695 * config/h8300/h8300.h: Similarly.
3696 * config/i370/i370.h: Similarly.
3697 * config/i386/i386.h: Similarly.
3698 * config/i860/i860.h: Similarly.
3699 * config/i960/i960.h: Similarly.
3700 * config/ia64/ia64.h: Similarly.
3701 * config/m32r/m32r.h: Similarly.
3702 * config/m68hc11/m68hc11.h: Similarly.
3703 * config/m68k/m68k.h: Similarly.
3704 * config/m88k/m88k.h: Similarly.
3705 * config/mcore/mcore.h: Similarly.
3706 * config/mips/mips.h: Similarly.
3707 * config/mn10200/mn10200.h: Similarly.
3708 * config/mn10300/mn10300.h: Similarly.
3709 * config/ns32k/ns32k.h: Similarly.
3710 * config/pa/pa.h: Similarly.
3711 * config/pdp11/pdp11.h: Similarly.
3712 * config/pj/pj.h: Similarly.
3713 * config/romp/romp.h: Similarly.
3714 * config/rs6000/rs6000.h: Similarly.
3715 * config/sh/sh.h: Similarly.
3716 * config/sparc/sparc.h: Similarly.
3717 * config/v850/v850.h: Similarly.
3718 * config/vax/vax.h: Similarly.
3719 * config/we32k/we32k.h: Similarly.
3721 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3723 * doc/c-tree.texi: Document representation of attributes.
3725 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3727 * doc/tm.texi: Update some places for the rename of target to
3730 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3732 * target.h (struct gcc_target): Add insert_attributes.
3733 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3734 (TARGET_INITIALIZER): Update.
3735 * tree.c, tree.h (default_insert_attributes): New function.
3736 Update comments on other default functions to refer to targetm,
3738 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3739 TARGET_INSERT_ATTRIBUTES.
3740 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3741 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3742 Don't use PRAGMA_INSERT_ATTRIBUTES.
3743 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3744 * c-decl.c (start_decl, start_function): Don't call
3745 SET_DEFAULT_DECL_ATTRIBUTES.
3746 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3747 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3749 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3750 (c4x_check_attribute): Avoid modifying attribute list itself.
3751 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3753 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3754 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3756 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3757 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3759 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3760 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3762 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3763 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3764 Adjust parameters. Make static.
3766 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3768 * c-common.c (decl_attributes): Only take a single attributes
3770 * c-common.h (decl_attributes): Update prototype.
3771 * c-decl.c (start_decl, start_function): Only take a single
3772 attributes parameter. Update calls to decl_attributes.
3773 (finish_struct, finish_enum): Update calls to decl_attributes.
3774 (push_parm_decl): Expect unified list of attributes. Update call
3776 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3777 notype_nested_function, component_declarator,
3778 component_notype_declarator, label): Update calls to
3780 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3781 lists that are passed to push_parm_decl.
3782 * c-tree.h (start_function, start_decl): Update prototypes.
3783 * config/sh/sh-protos.h, config/sh/sh.c
3784 (sh_pragma_insert_attributes): Only take a single attributes
3786 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3787 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3788 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3789 build_module_descriptor, generate_static_references,
3790 generate_strings, build_selector_translation_table,
3791 generate_descriptor_table, generate_protocols,
3792 generate_ivars_list, generate_dispatch_table,
3793 generate_protocol_list, generate_category,
3794 generate_shared_structures, really_start_method, add_objc_decls,
3795 generate_classref_translation_entry): Update calls to start_decl
3797 (build_tmp_function_decl, start_method_def): Unify attribute lists
3798 that are passed to push_parm_decl.
3800 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3802 * final.c (no_asm_to_stream): New.
3803 (final_scan_insn): Use target structures for prologue ends
3804 and epilogue starts.
3805 * output.h (no_asm_to_stream): New.
3806 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3807 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3808 (TARGET_ASM_OUT): Update.
3809 * target.h (struct gcc_target): New members function_end_prologue
3810 and function_begin_epilogue.
3811 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3812 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3813 * config/alpha/alpha.c (output_end_prologue): Rename to
3814 alpha_output_function_end_prologue. Use in target struct
3816 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3817 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3818 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3819 ia64_output_function_end_prologue. Use in target struct
3821 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3822 mistyped prototypes.
3823 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3824 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3826 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3827 an use in target struct, make static.
3828 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3831 2001-07-08 Richard Henderson <rth@redhat.com>
3833 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3835 2001-07-08 Richard Henderson <rth@redhat.com>
3837 * config/i386/i386.md: Remove constraints strings from define_split
3838 and define_peephole2 patterns.
3839 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3840 (eh_return): Use them.
3842 2001-07-08 Richard Henderson <rth@redhat.com>
3844 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3845 Document MD_FALLBACK_FRAME_STATE_FOR.
3847 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3849 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3850 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3852 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3854 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3856 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3857 of the label inside NAME as opposed to just the end of NAME.
3859 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3861 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3862 * config/alpha/alpha.c (alpha_init_machine_status,
3863 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3864 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3865 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3866 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3868 2001-07-06 Stan Shebs <shebs@apple.com>
3870 * target.h (targetm): Rename global from "target", so as not to
3871 conflict with local variables.
3873 * c-typeck.c: Ditto.
3877 * cp/decl2.c: Ditto.
3878 * cp/typeck.c: Ditto.
3879 * 1750a/1750a.c: Ditto.
3880 * a29k/a29k.c: Ditto.
3884 * clipper/clipper.c: Ditto.
3885 * convex/convex.c: Ditto.
3886 * d30v/d30v.c: Ditto.
3887 * dsp16xx/dsp16xx.c: Ditto.
3888 * elxsi/elxsi.c: Ditto.
3889 * fr30/fr30.c: Ditto.
3890 * h8300/h8300.c: Ditto.
3891 * i370/i370.c: Ditto.
3892 * i386/i386.c: Ditto.
3893 * i860/i860.c: Ditto.
3894 * i960/i960.c: Ditto.
3895 * ia64/ia64.c: Ditto.
3896 * m32r/m32r.c: Ditto.
3897 * m68hc11/m68hc11.c: Ditto.
3898 * m68k/m68k.c: Ditto.
3899 * m88k/m88k.c: Ditto.
3900 * mips/mips.c: Ditto.
3901 * ns32k/ns32k.c: Ditto.
3903 * pdp11/pdp11.c: Ditto.
3904 * romp/romp.c: Ditto.
3905 * rs6000/rs6000.c: Ditto.
3907 * sparc/sparc.c: Ditto.
3909 * we32k/we32k.c: Ditto.
3910 * doc/tm.texi: Update the manual to match.
3912 2001-07-06 Richard Henderson <rth@redhat.com>
3914 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3915 DWARF2_UNWIND_INFO not just whether it is defined.
3917 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3919 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3920 call to simplify_binary_operation returns a new pattern.
3922 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3924 * glimits.h (__SHRT_MAX__): New.
3925 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3926 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3928 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3930 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3933 2001-07-06 Richard Henderson <rth@redhat.com>
3935 * bitmap.c (bitmap_release_memory): Move adjacent to the
3936 allocation functions.
3937 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3938 the implementation. Binary search for the set bit.
3939 (bitmap_union_of_diff): Allocate the temporary on the stack
3940 instead of using xmalloc.
3942 2001-07-06 Richard Henderson <rth@redhat.com>
3944 * genrecog.c (validate_pattern): Warn for constraints in
3945 define_{expand,split,peephole2}. Remove strict_low_part
3946 before looking up match_dup.
3948 2001-07-06 DJ Delorie <dj@redhat.com>
3950 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3951 chapter about various build hints and history. Add section
3952 talking about the various types of native and cross builds.
3954 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3956 * Makefile.in (final.o): Depend on target.h.
3957 * final.c: Include target.h.
3958 (default_function_pro_epilogue): New.
3959 (final_start_function): Use target structure for function prologues.
3960 (final_end_function): Use target structure for function epilogues.
3961 * fold-const.c (real_hex_to_f): Constify s and p.
3962 * output.h (default_function_pro_epilogue): New.
3963 * real.h (real_hex_to_f): Update prototype.
3964 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3965 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3966 (TARGET_INITIALIZER): Update.
3967 * target.h (gcc_target): Add struct asm_out.
3968 * doc/tm.texi: Update.
3971 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3972 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3973 in cpu/cpu.c, or rename old functions consistently. Take
3974 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3975 redundant macros and prototypes. Make new functions static.
3977 * 1750a/1750a.c: Similarly.
3978 * 1750a/1750a.h: Similarly.
3979 * a29k/a29k-protos.h: Similarly.
3980 * a29k/a29k.c: Similarly.
3981 * a29k/a29k.h: Similarly.
3982 * arc/arc-protos.h: Similarly.
3983 * arc/arc.c: Similarly.
3984 * arc/arc.h: Similarly.
3985 * arm/arm-protos.h: Similarly.
3986 * arm/arm.c: Similarly.
3987 * arm/arm.h: Similarly.
3988 * avr/avr-protos.h: Similarly.
3989 * avr/avr.c: Similarly.
3990 * avr/avr.h: Similarly.
3991 * clipper/clipper-protos.h: Similarly.
3992 * clipper/clipper.c: Similarly.
3993 * clipper/clipper.h: Similarly.
3994 * convex/convex.c: Similarly.
3995 * convex/convex.h: Similarly.
3996 * d30v/d30v-protos.h: Similarly.
3997 * d30v/d30v.c: Similarly.
3998 * d30v/d30v.h: Similarly.
3999 * d30v/d30v.md: Similarly.
4000 * dsp16xx/dsp16xx-protos.h: Similarly.
4001 * dsp16xx/dsp16xx.c: Similarly.
4002 * dsp16xx/dsp16xx.h: Similarly.
4003 * elxsi/elxsi.c: Similarly.
4004 * elxsi/elxsi.h: Similarly.
4005 * fr30/fr30.c: Similarly.
4006 * fr30/fr30.md: Similarly.
4007 * h8300/h8300-protos.h: Similarly.
4008 * h8300/h8300.c: Similarly.
4009 * h8300/h8300.h: Similarly.
4010 * i370/i370-protos.h: Similarly.
4011 * i370/i370.c: Similarly.
4012 * i370/i370.h: Similarly.
4013 * i386/i386.c: Similarly.
4014 * i386/osf1elf.h: Similarly.
4015 * i386/osfrose.h: Similarly.
4016 * i860/i860-protos.h: Similarly.
4017 * i860/i860.c: Similarly.
4018 * i860/i860.h: Similarly.
4019 * i960/i960-protos.h: Similarly.
4020 * i960/i960.c: Similarly.
4021 * i960/i960.h: Similarly.
4022 * ia64/ia64-protos.h: Similarly.
4023 * ia64/ia64.c: Similarly.
4024 * ia64/ia64.h: Similarly.
4025 * m32r/m32r-protos.h: Similarly.
4026 * m32r/m32r.c: Similarly.
4027 * m32r/m32r.h: Similarly.
4028 * m68hc11/m68hc11-protos.h: Similarly.
4029 * m68hc11/m68hc11.c: Similarly.
4030 * m68hc11/m68hc11.h: Similarly.
4031 * m68k/crds.h: Similarly.
4032 * m68k/dpx2.h: Similarly.
4033 * m68k/m68k-protos.h: Similarly.
4034 * m68k/m68k.c: Similarly.
4035 * m68k/m68k.h: Similarly.
4036 * m68k/news.h: Similarly.
4037 * m88k/m88k-protos.h: Similarly.
4038 * m88k/m88k.c: Similarly.
4039 * m88k/m88k.h: Similarly.
4040 * mips/mips-protos.h: Similarly.
4041 * mips/mips.c: Similarly.
4042 * mips/mips.h: Similarly.
4043 * ns32k/merlin.h: Similarly.
4044 * ns32k/ns32k.c: Similarly.
4045 * ns32k/ns32k.h: Similarly.
4046 * ns32k/tek6000.h: Similarly.
4047 * pa/pa-protos.h: Similarly.
4048 * pa/pa.c: Similarly.
4049 * pa/pa.h: Similarly.
4050 * pdp11/2bsd.h: Similarly.
4051 * pdp11/pdp11-protos.h: Similarly.
4052 * pdp11/pdp11.c: Similarly.
4053 * pdp11/pdp11.h: Similarly.
4054 * romp/romp-protos.h: Similarly.
4055 * romp/romp.c: Similarly.
4056 * romp/romp.h: Similarly.
4057 * rs6000/rs6000-protos.h: Similarly.
4058 * rs6000/rs6000.c: Similarly.
4059 * rs6000/rs6000.h: Similarly.
4060 * rs6000/sysv4.h: Similarly.
4061 * sh/sh-protos.h: Similarly.
4062 * sh/sh.c: Similarly.
4063 * sh/sh.h: Similarly.
4064 * sparc/sparc-protos.h: Similarly.
4065 * sparc/sparc.c: Similarly.
4066 * sparc/sparc.h: Similarly.
4067 * vax/vax.c: Similarly.
4068 * vax/vax.h: Similarly.
4069 * vax/vms.h: Similarly.
4070 * we32k/we32k.c: Similarly.
4071 * we32k/we32k.h: Similarly.
4073 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4075 * basic-block.h (first_insn_after_basic_block_note): Declare.
4076 * flow.c (first_insn_after_basic_block_note): Define. Moved
4078 * ssa.c (first_insn_after_basic_block_note): Remove.
4079 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4081 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4082 nodes when we find a dead conditional branch. Insert BARRIERs
4083 after any blocks with no successors, but which do not have
4086 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4088 * varray.c (varray_check_failed): Use internal_error.
4090 2001-07-05 Andrew Haley <aph@redhat.com>
4092 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4093 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4094 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4096 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4098 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4099 reference if the target constant is also a SYMBOL_REF.
4101 2001-07-05 Eric Christopher <echristo@redhat.com>
4103 * config/mips/mips.h (MASK_MIPS3900): Remove.
4104 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4105 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4106 (TARGET_MIPS3900): Change to use mips_arch.
4107 (TARGET_MIPS4000): New.
4108 (TARGET_MIPS4100): New.
4109 (TARGET_MIPS4300): New.
4110 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4111 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4113 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4114 (ISA_HAS_BRANCHLIKELY): To here.
4115 (CC1_CPU_SPEC): New.
4116 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4117 (mips_arch_string): Declare.
4118 (mips_arch): Declare.
4119 (TARGET_OPTIONS): Add -march and -mtune.
4121 * config/mips/mips.c (mips_arch_string): New.
4123 (override_options): Handle -march for codegen and -mtune
4124 for scheduling. Use mips_arch. Move tx39 target default here.
4125 (mips_parse_cpu): Move error message to override_options.
4127 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4129 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4131 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4132 (MIPS Options): Ditto. Change mcpu entry to historical text.
4134 2001-07-05 H.J. Lu (hjl@gnu.org)
4136 * config/mips/mips.c (mips_parse_cpu): New function to parse
4139 2001-07-05 Jim Wilson <wilson@redhat.com>
4141 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4142 * config/ia64/t-ia64: Likewise.
4143 (LIB1ASMFUNCS): Update comment.
4145 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4147 * doc/install.texi (Install GCC: Binaries): Fix typo.
4149 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4151 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4152 reference using the stack pointer, adjust it since we push Y
4154 ("*ashrsi3"): Likewise.
4155 ("*lshrsi3"): Likewise.
4157 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4159 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4160 when -fomit-frame-pointer is used.
4162 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4164 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4165 (try_redirect_by_replacing_jump): Reverse updating properly the
4166 count and frequency information. Reverse removing cc0 setter.
4167 (forwarder_block_p): Reverse fixing for fallthru blocks.
4169 2001-07-05 DJ Delorie <dj@redhat.com>
4171 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4172 (translate_options): If the above is defined, use it to map
4173 given options to new options.
4174 * doc/tm.texi: Document it.
4176 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4177 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4179 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4180 cause programs using computed gotos to run more slowly.
4182 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4184 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4186 Consistently require binutils 2.11.2, not prereleases.
4187 (Specific, decstation-*): Canonicalize as mips-dec-*.
4188 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4190 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4191 (Specific, mips-*): Reword MIPS C compiler requirements.
4192 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4193 (Specific, sunv5): Removed, obsolete.
4195 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4197 * dwarf2out.c (output_loc_list): Use an all ones mask for
4198 .text asm output and don't rely on long long
4199 literals. Reformat some long lines.
4201 2001-07-05 Andreas Jaeger <aj@suse.de>
4203 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4206 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4208 * dwarf2out.c (dwarf2out_define): Update comment.
4209 (dwarf2out_undef): Ditto.
4210 (dwarf2out_start_source_file): Ditto.
4211 (dwarf2out_end_source_file): Ditto.
4212 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4213 since we never call the start/end debug hook for the primary file.
4215 2001-07-04 Kazu Hirata <kazu@hxi.com>
4217 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4220 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4222 * cppinit.c (remove_dup_dirs): Inform if a system include
4223 directory is being reordered.
4224 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4226 * doc/cpp.texi (Search Paths): Likewise.
4227 * doc/gcc.texi (Interoperation): Remove information about
4230 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4232 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4233 (VARRAY_TOP_CHAR_PTR): Likewise.
4235 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4237 * gcc.c (process_command): Don't assign elements of a const char*.
4239 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4241 * emit-rtl.c (change_address): Don't abort if invalid address while
4242 reload is in progress.
4244 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4246 * c-lex.c (cb_file_change): Pass line number to
4247 debug_start_source_file.
4248 (cb_undefine): Pass correct line number to debug_undef.
4250 * toplev.c (debug_start_source_file): Add line number to
4251 parameters. Pass it along to dwarf2out_start_source_file.
4252 (decode_g_option): Stop resetting debug level back to normal when
4253 we change debug formats, unless the current level is
4254 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4257 * toplev.h (debug_start_source_file): Add line number to
4260 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4263 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4265 Output debug_macinfo data for starting file if requested.
4266 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4268 (dwarf2out_define): Output debug_macinfo data for defining a macro
4270 (dwarf2out_undef): Output debug_macinfo data for undefining a
4272 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4273 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4274 (macinfo_section_label): New. DWARF2 macro info section label.
4275 (dwarf2out_init): If we want macro info, output the start label
4277 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4278 attribute to the compilation unit die pointing to the macro info.
4280 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4282 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4283 DWARF2_DEBUGGING_INFO.
4284 (add_loc_descr_to_loc_list): Ditto.
4285 (output_loc_list): Ditto.
4286 Also, fix thinko in curr not being initialized.
4287 (gen_internal_sym): Ditto.
4289 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4291 * emit-rtl.c (replace_equiv_address): New function.
4292 * expr.h (replace_equiv_address): New declaration.
4293 * explow.c (validize_mem): Call it instead of change_address and
4294 also call if -fforce-addr and address is constant.
4295 * expr.c: Replace more calls to change_address with adjust_address
4296 and/or replace_equiv_address or to validize_mem.
4297 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4298 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4299 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4300 * config/i370/i370.md, config/i860/i860.md: Likewise.
4301 * config/i960/i960.md, config/mips/mips.c: Likewise.
4302 * config/mips/mips.md, config/pa/pa.md: Likewise.
4303 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4304 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4306 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4308 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4310 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4313 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4315 * doc/include: New directory.
4316 * doc/fdl.texi: Move to doc/include/fdl.texi.
4317 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4318 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4319 * doc/gcc.texi: Use funding.texi and gpl.texi.
4320 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4321 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4322 Update dependencies and use -I $(docdir)/include.
4324 2001-07-04 Anthony Green <green@redhat.com>
4326 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4328 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4330 * doc/install.texi (sparc64-*-*): Remove garbage.
4332 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4334 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4335 Fix typo in last change to use adjust_address.
4337 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4339 * doc/install.texi (Specific): Update information for *-*-solaris*.
4341 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4343 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4345 2001-07-03 Stan Shebs <shebs@apple.com>
4347 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4348 case for flag_no_mach_text_sections.
4349 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4350 * config/darwin.c (flag_no_mach_text_sections): Remove.
4351 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4353 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4355 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4356 and avoid checking for constant as first operand.
4357 * recog.c (find_constant_term_loc): No longer static.
4358 (adj_offettable_operand): Delete.
4359 * rtl.h (adj_offsettable_operand): Delete declaration.
4360 (find_constant_term): Add declaration.
4361 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4363 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4364 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4365 * config/i386/i386.c, config/i386/i386.md: Likewise.
4366 * config/i860/i860.c, config/i960/i960.c: Likewise.
4367 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4368 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4369 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4370 * config/mips/mips.c, config/mips/mips.md: Likewise.
4371 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4372 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4373 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4374 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4375 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4376 * config/ns32k/ns32k.md: Likewise.
4378 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4380 * rtl.c (copy_rtx): Handle 'T' format letter.
4381 * gensupport.c (collect_insn_data): Likewise.
4382 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4384 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4386 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4387 -B option. Use 'dir' not 'foo' as example directory name.
4389 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4391 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4392 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4394 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4396 * doc/cppinternals.texi: Improve formatting and logical markup.
4398 2001-07-03 Andreas Jaeger <aj@suse.de>
4400 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4402 * genrecog.c (write_header): Include reload.h for prototypes in
4405 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4408 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4409 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4410 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4411 i386_pe_valid_type_attribute_p): Add.
4412 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4413 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4415 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4417 * explow.c (plus_constant_wide, case LO_SUM): New case.
4418 (plus_constant_for_output_wide): Delete.
4419 * rtl.h (plus_constant_for_output): Delete.
4420 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4421 instead of plus_constant_for_output.
4422 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4423 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4424 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4425 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4426 * config/sparc/sparc.md: Likewise.
4427 Convert some change_address calls to adjust_address.
4429 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4431 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4432 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4433 documentation of -std and -Wwrite-strings.
4435 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4437 * cse.c (canon_hash): Don't register registers in very small
4438 register classes, as extending their lifetime might cause
4441 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4443 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4445 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4446 (try_redirect_by_replacing_jump): Update properly the count
4447 and frequency information.
4449 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4451 * toplev.c (dump_file_index): Move SSA dumps just after first
4453 (dump_file): Corresponding changes.
4454 (rest_of_compilation): Move SSA path to just after the first
4456 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4457 * doc/invoke.texi: Update dump file #s as they were completely
4458 out of date with reality.
4460 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4462 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4464 * expr.c (emit_move_insn_1): Deal with non-default
4467 * expr.c (emit_single_push_insn): Fix warning.
4469 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4471 * expr.c (emit_move_insn_1): Avoid modifying
4472 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4474 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4476 * emit-rtl.c (adjust_address): New function.
4477 * expr.h (adjust_address): Add declaration.
4478 * builtins.c: Replace some calls to change_address with calls to it
4480 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4481 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4482 * config/arm/arm.c, config/convex/convex.c: Likewise.
4483 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4484 * config/i386/i386.c, config/i386/i386.md: Likewise.
4485 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4486 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4487 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4488 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4489 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4491 2001-07-02 Jim Wilson <wilson@redhat.com>
4493 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4495 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4497 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4498 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4500 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4502 * cppinit.c (lang_defaults): New table.
4503 (set_lang): Just read from lang_defaults into the live options
4506 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4508 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4509 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4510 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4512 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4514 * doc/install.texi: Various spelling and markup fixes.
4515 (Installing GCC): Component specific installation instructions are
4518 Warn about removing old install dir in the presence of shared libs.
4519 (Configuration): Invoke with options target to match configure
4521 Consistently refer to gas, gld pathnames.
4522 Invert --enable-multilib documentation.
4523 Remove references to old compiler versions.
4525 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4527 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4529 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4531 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4533 (Specific, mips*-sgi-irix5): Note IDO download.
4534 Reworded MIPS C hints.
4535 Use GNU as instead of GAS.
4537 Removed SGI Freeware reference, IRIX 6 only.
4538 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4539 Note N64 library requirement/workaround.
4541 Complete list of structure passing bug victims.
4543 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4545 * doc/install.texi: Remove CVS Id.
4547 2001-07-02 Andreas Jaeger <aj@suse.de>
4549 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4550 (find_inherently_necessary): Remove unused variable.
4552 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4554 * c-common.h (TDI_inlined): New ast dump phase.
4555 (dump_flag_name): New function.
4556 * c-dump.c (dump_files): Add inlined phase.
4557 (dump_flag_name): Define.
4558 * doc/invoke.texi (-fdump-ast-inlined): Document.
4560 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4562 * stor-layout.c (layout_decl): Revert change to handling of alignment
4565 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4567 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4570 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4572 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4575 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4577 * tlink.c (recompile_files): Remove COMPILER_PATH and
4578 LIBRARY_PATH from the environment.
4580 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4582 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4583 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4585 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4587 * c-parse.in (OBJC_STRING): Kill.
4588 (objc_string): Decompose to [objc_string] '@' STRING.
4589 (reswords): Take the leading '@' off all the Objective C keywords.
4590 (objc_rid_sans_at): Kill.
4591 (init_reswords): Don't initialize it.
4592 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4593 (_yylex): Kill reconsider label. Look ahead one token after
4594 an '@'; if we get an identifier, check whether it's an
4595 Objective C @-keyword. If so, return the keyword. Otherwise,
4596 put back the token and return the '@' as a terminal.
4598 * cpplib.c (lex_macro_node): Remove unnecessary check for
4599 leading '@' on identifier. Clarify control flow and commentary.
4601 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4603 * cse.c (new_label_ref): Variable deleted.
4604 (insert): Remove set of new_label_ref.
4605 (check_for_label_ref): New function.
4606 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4608 See ChangeLog.5 for earlier changes.