1 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4 (find_fde_for_dso): Remove.
5 (_Unwind_IteratePhdrCallback): New.
6 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
7 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
9 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
12 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
14 2001-08-09 Graham Stott <grahams@redhat.com>
16 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
17 (vis_no_unit): Use it.
18 (visualize_no_unit): Add the insn only if room exists.
20 2001-08-09 Graham Stott <grahams@redhat.com>
22 * predict.c (estimate_probability): Replace magic numbers with
23 appropriate enumeration.
25 2001-08-09 Graham Stott <grahams@redhat.com>
27 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
29 (EXTRACT_FLAGS): Likewise.
31 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
33 * config/mips/mips.c (mips_legitimate_address_p): Check for
34 CONST_INT in last patch.
36 2001-08-08 Anthony Green <green@redhat.com>
38 * java/class.c (emit_register_classes): Use assemble_jcr if
39 possible. Keep the original mechanism as a fallback.
40 * defaults.h (JCR_SECTION_NAME): Define if we have named section
41 and weak symbol support.
42 * crtstuff.c (__JCR_LIST__): Define.
43 (__JCR_END__): Define.
44 (_Jv_RegiserClasses): Define weak symbol if possible.
45 (__do_global_ctors_aux): Register classes for ELF targets with
48 2001-08-08 Kazu Hirata <kazu@hxi.com>
50 * dbxout.c: Fix comment formatting.
51 * dependence.c: Likewise.
53 * diagnostic.c: Likewise.
54 * dominance.c: Likewise.
55 * doprint.c: Likewise.
56 * dwarf2out.c: Likewise.
57 * dwarfout.c: Likewise.
58 * emit-rtl.c: Likewise.
64 * fold-const.c: Likewise.
65 * function.c: Likewise.
67 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
69 * global.c (retry_global_alloc): Avoid shadowing allocno.
71 2001-08-08 Mark Mitchell <mark@codesourcery.com>
73 * except.c (remove_fixup_regions): Fix typo.
75 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
77 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
78 unsigned HOST_WIDE_INT to avoid warning.
79 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
80 * flow.c (set_block_for_new_insns): Likewise.
82 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
84 * sibcall.c (return_value_pseudo): New static variable.
85 (skip_copy_to_return_value): Handle return_value_pseudo.
86 (call_ends_block_p): Ensure that return_value_pseudo is set.
87 (optimize_sibling_and_tail_recursive_call): Discover the
88 load of pseudo return value in alternate exit block.
90 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
92 * calls.c (ECF_ALWAYS_RETURN): New constant.
93 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
94 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
95 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
96 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
97 * rtl.c (reg_note_name): New name.
98 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
100 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
102 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
104 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
106 * alias.c (get_alias_set): Return a previously calculated
107 alias set for a VAR_DECL.
108 * function.c (gen_mem_addressof): Calculate the alias set before
111 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
113 * predict.def: Set hitrates according our experimental run.
115 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
117 * i386.h (HARD_REGNO_RENAME_OK): New macro.
119 2001-08-08 H.J. Lu <hjl@gnu.org>
121 * config/mips/mips.c (mips_unique_section): New. Copied from
124 * config/mips/mips-protos.h (mips_unique_section): New
127 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
129 * config/mips/little.h: New. Generic little endian mips
130 targets. Only mips*-*-linux* is converted to use it so far.
132 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
133 (WCHAR_TYPE): Defined
134 (WCHAR_TYPE_SIZE): Likewise.
135 (INIT_SUBTARGET_OPTABS): Likewise.
136 (BSS_SECTION_ASM_OP): Likewise.
137 (SBSS_SECTION_ASM_OP): Likewise.
138 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
139 (ASM_DECLARE_OBJECT_NAME): Likewise.
140 (UNIQUE_SECTION): Likewise.
141 (EXTRA_SECTIONS): Likewise.
142 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
143 (ASM_OUTPUT_DESTRUCTOR): Likewise.
144 (ASM_OUTPUT_DEF): Likewise.
145 (HANDLE_SYSV_PRAGMA): Removed.
146 (NO_IMPLICIT_EXTERN_C): Likewise.
147 (TARGET_MEM_FUNCTIONS): Likewise.
148 (STARTFILE_SPEC): Likewise.
149 (ENDFILE_SPEC): Likewise.
150 (LIB_SPEC): Likewise.
151 (INVOKE__main): Likewise.
152 (CTOR_LIST_BEGIN): Likewise.
153 (CTOR_LIST_END): Likewise.
154 (DTOR_LIST_BEGIN): Likewise.
155 (DTOR_LIST_END): Likewise.
156 (SET_ASM_OP): Likewise.
157 (ASM_OUTPUT_SOURCE_LINE): Likewise.
158 (ASM_OUTPUT_DEF): Likewise.
159 (ASM_OUTPUT_IDENT): Likewise.
161 * config/mips/mips.h (ASM_SPEC): Undefine before define.
162 (CPLUSPLUS_CPP_SPEC): Likewise.
163 (ASM_APP_ON) Redefine only if not defined.
164 (ASM_APP_OFF): Likewise.
165 (ASM_OUTPUT_SOURCE_LINE): Likewise.
166 (ASM_OUTPUT_IDENT): Likewise.
168 * config.gcc: Update tm_file for Linux/mips.
170 2001-08-08 Bernd Schmidt <bernds@redhat.com>
172 * cselib.c (cselib_record_sets): If insn is predicated, turn
173 sources into IF_THEN_ELSEs.
175 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
176 Turn into define_insn_and_split.
178 * sched-deps.c: Include "cselib.h".
179 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
180 Use cselib to turn memory addresses into VALUEs.
181 (sched_analyze): Call cselib_init/cselib_finish if necessary.
182 * sched-int.h (struct sched_info): New member USE_CSELIB.
183 * sched-ebb.c (ebb_sched_info): Initialize it.
184 * sched-rgn.c (rgn_sched_info): Likewise.
185 * Makefile.in (sched-deps.o): Update dependencies.
187 * cselib.h (cselib_subst_to_values): Declare.
188 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
189 that have no value and autoincs to be handled by generating a new
192 2001-08-08 Graham Stott <grahams@redhat.com>
194 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
195 within fixed length SEQUENCE.
197 2001-08-08 Graham Stott <grahams@redhat.com>
199 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
200 (diagnostic_prefixing_rule): Likewise.
201 (diagnostic_line_cutoff): Likewise.
202 (diagnostic_kind_count): Likewise.
204 2001-08-08 Graham Stott <grahams@redhat.com>
206 * alias.c (find_base_decl): Delete redundent assignment.
208 2001-08-08 Graham Stott <grahams@redhat.com>
210 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
211 (abs): Uppercase and paranthesize macro parameter.
212 (MEM_DEPENDENCY): Add whitespace.
214 2001-08-08 Graham Stott <grahams@redhat.com>
216 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
217 failure check for CONST_INT
219 2001-08-08 Graham Stott <grahams@redhat.com>
221 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
222 (libcall_dead_p): Likewise.
224 (mark_used_regs): Constify fmt.
225 (find_use_as_address): Likewise.
227 2001-08-08 Graham Stott <grahams@redhat.com>
229 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
232 2001-08-08 Graham Stott <grahams@redhat.com>
234 * combine.c (combine_simplify_rtx): Update comment and
235 remove erroneous test.
237 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
239 * cppinit.c (cpp_finish): Pop the final buffer without comment.
240 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
241 take care to avoid multiple no-newline at EOF warnings in that
244 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
246 * calls.c (expand_call): Do not emit INSN_SETJMP note.
247 (emit_library_call_value_1): Likewise.
248 (emit_call_1): Emit REG_SETJMP note.
249 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
251 * cselib.c (cselib_process_insn): Likewise.
252 * flow.c (propagate_block): Likewise.
253 * loop.c (find_and_verify_loops): Likewise.
254 * reload.c (find_equiv_regs): Likewise.
255 * reload1.c (reload): Likewise.
256 * resource.c (mark_referenced_resources,
257 mark_set_resources): Likewise.
258 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
259 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
260 * haifa-sched.c (unlink_other_notes): Likewise.
261 (reemit_notes): Likewise.
262 * sched-ebb.c (sched_ebb): Likewise.
263 * sched-rgc.c (sched_region): Likewise.
264 * rtl.c (note_insn_name): Likewise.
265 (reg_note_name): Add REG_SETJMP
266 * rtl.h (reg_note): Add REG_SETJMP.
267 (insn_note): Remove NOTE_INSN_SETJMP.
269 * profile.c (branch_prob): Add fake edges for setjmp.
271 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
273 * config.gcc: Quote target_cpu_default2 correctly for
274 powerpc*-*-* targets.
276 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
278 * cpplib.h, line-map.h: Update comments.
279 * cppmain.c (printer_init): Move inline.
280 (maybe_print_line, print_line): Take a map pointer.
281 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
282 (cb_file_change): Don't use prior value of print.map.
284 2001-08-07 David Edelsohn <edelsohn@gnu.org>
286 * doc/install.texi: Document fine-grained multilib configuration.
288 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
290 * rtlanal.c (find_first_parameter_load): Call note_stores
291 only on the instructions.
293 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
295 * alias.c (nonlocal_mentioned_p):
296 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
297 * calls.c (emit_call_1): Likewise.
298 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
299 * cselib.c (cselib_process_insn): Likewise.
300 * df.c (df_insns_modify): Likewise.
301 * flow.c (need_fake_edge_p): Likewise.
302 (propagate_one_insn): Likewise.
303 * haifa-sched.c (reemit_notes): Likewise.
304 * integrate.c (copy_insn_list): Likewise.
305 * jump.c (delete_prior_computation): Likewise.
306 * local-alloc.c (validate_equiv_mem): Likewise.
307 * loop.c (scan_loop): Likewise.
308 * predict.c (estimate_probability): Likewise.
309 * reload.c (reload): Likewise.
310 * sched-deps (sched_analyze): Likewise.
311 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
312 * gcse.c (compute_hash_table): Likewise.
313 (mark_call): Likewise.
314 (store_killed_in_insn): Likewise.
316 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
318 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
320 2001-08-06 Richard Henderson <rth@redhat.com>
322 * varasm.c (assemble_gc_entry): Remove.
323 * output.h: Likewise.
325 2001-08-06 Richard Henderson <rth@redhat.com>
327 * varasm.c (assemble_constructor): Take a symbol_ref and a
328 priority instead of a bare string. Move priority handling
329 here from cp/decl2.c.
330 * output.h: Update decls.
332 * c-decl.c (c_expand_body): Update calls to assemble_constructor
333 and assemble_destructor.
334 * profile.c (output_func_start_profiler): Likewise.
335 * objc/objc-act.c (finish_objc): Likewise.
336 (build_module_descriptor): Return the symbol not the symbol name.
338 2001-08-06 David Edelsohn <edelsohn@gnu.org>
340 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
341 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
342 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
343 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
344 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
345 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
347 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
349 * cpperror.c (print_containing_files): Moved to line-map.c.
350 (print_location): line-map.c handles re-listing or otherwise.
351 * cpphash.h (struct lexer_state): Remove next_bol.
352 (struct cpp_buffer): Remove include_stack_listed.
353 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
354 Remove faked buffer handling.
355 (_cpp_do_file_change): Tweak.
356 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
357 * cppmain.c (struct printer): Remove filename.
358 (print_line, cb_file_change): Update accordingly.
359 * line-map.c: Include intl.h.
360 (init_line_maps): Initialize last_listed.
361 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
362 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
363 (print_containing_files): New.
364 * line-map.h (struct line_maps): New member last_listed.
365 (print_containing_files, INCLUDED_FROM): New.
366 * Makefile.in: Update.
367 * po/POTFILES.in: Add line-map.c.
369 2001-08-06 Richard Henderson <rth@redhat.com>
371 * except.c (convert_from_eh_region_ranges_1): Never mark
372 USE or CLOBBER insns as throwing.
374 * expr.c (store_constructor): Don't clobber memory targets.
376 2001-08-06 Andreas Jaeger <aj@suse.de>
378 * profile.c (branch_prob): Remove unused variable insn.
380 * Makefile.in (local-alloc.o): Add dependency on except.h.
382 * local-alloc.c: Include except.h for can_throw_internal prototype.
384 2001-08-06 Richard Henderson <rth@redhat.com>
386 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
387 * function.c (expand_main_function): Implement it.
388 * doc/tm.texi: Document it.
390 2001-08-06 Stan Shebs <shebs@apple.com>
392 * doc/install.texi: Document powerpc-*-darwin* details.
394 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
396 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
397 (ASM_CPU_SPEC): Move back to rs6000.h
398 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
400 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
402 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
405 * config/rs6000/linux64.h: Ditto.
407 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
408 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
411 Remove accidently readded definitions of FUNCTION_PROLOGUE,
412 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
414 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
417 2001-08-05 Richard Henderson <rth@redhat.com>
419 * local-alloc.c (update_equiv_regs): Do not move insns that
422 2001-08-05 Jan Hubicka <jh@suse.cz>
424 * Makefile.in (reload1.o): Add dedendancy on except.h
425 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
427 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
428 indicating wehther edges has been cleaned up.
429 * reload1.c: Inlucde except.h
430 (fixup_abnormal_edges): Accept deleted insns.
431 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
434 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
436 * cpplib.c (do_line): Correct line number after pop_buffer.
438 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
441 * line-map.c: Update comments.
442 * line-map.h: Update comments.
443 * tradcif.y: Don't consider large numbers unsigned.
445 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
448 * c-lex.c (map): New.
449 (cb_file_change): Update map and use it.
450 (cb_def_pragma, cb_define, cb_undef): Use map and line.
451 (c_lex): Update to use map.
452 * cpperror.c (print_location): Move to using logical line numbers.
453 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
454 (cpp_make_system_header): Similarly.
455 (_cpp_execute_include): Stop line numbering hacks. Store the
456 line we will return to.
457 * cpphash.h (CPP_BUF_LINE): Remove.
458 (struct cpp_buffer): Remove lineno and pseudo_newlines.
459 Add map and return_to_line.
460 (_cpp_do_file_change): Update.
461 * cppinit.c (cpp_start_read): Update line kludge.
462 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
463 (trigraph_ok): Use logical line numbers for diagnostics.
464 (skip_block_comment): Likewise.
465 (skip_whitespace): Likewise.
466 (skip_line_comment): Use pfile->line instead.
467 (_cpp_lex_token): Update to use logical line numbering exclusively.
468 Handle BOL locally. Accept new lines in directives, but keep
469 pfile->line decremented. Diagnostics use logical lines. Update
471 * cpplib.c (SEEN_EOL): New.
472 (skip_rest_of_line, check_eol): Use it.
473 (end_directive): Increase line number when accepting the newline
474 at the end of a directive.
475 (run_directive): Simplify.
476 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
477 (_cpp_do_file_change): Update to take buffer line number as an
478 argument, and store the current map in the cpp_reader. Remove
480 (_cpp_do__Pragma): Restore output position after a _Pragma.
481 (cpp_push_buffer): Don't set output line or lineno.
482 (_cpp_pop_buffer): Transfer more info from a faked buffer.
483 Remove line kludge. Set output_line.
484 * cppmacro.c (builtin_macro): Update handling of __LINE__.
485 (parse_arg): Use logical lines.
486 (save_lookahead_token): Save EOFs too now.
487 * cppmain.c (struct printer): Fix comments.
488 (printer_init): Simplify, let caller do errors.
489 (scan_translation_unit, check_multiline_token, dump_macro): Update.
490 (maybe_print_line): Simplify.
491 (print_line): Don't print a linemarker if -P.
492 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
493 (cb_file_change): Simplify.
494 * line-map.h (LAST_SOURCE_LINE): Fix.
495 (CURRENT_LINE_MAP): New.
497 2001-08-05 Bernd Schmidt <bernds@redhat.com>
499 * doloop.c (doloop_modify_runtime): Properly compute number of
500 iterations if loop was unrolled.
502 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
503 if their CSELIB_VAL_PTRs are.
505 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
506 (setup_spill_pointers): Initialize it.
507 (spill_restore_mem): Set it.
508 (do_spill, do_restore): Use it to add REG_INC note.
509 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
511 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
512 asms if other insns are available.
514 * config/ia64/ia64.c (condop_operator): New predicate.
515 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
516 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
519 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
520 temporary register than directly using a MEM.
522 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
524 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
525 parameter in last change.
527 2001-08-04 Zack Weinberg <zackw@panix.com>
529 * sparc.md: Don't use #if inside C test expression.
531 2001-08-04 Richard Henderson <rth@redhat.com>
533 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
535 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
537 * cpphash.h (struct cpp_reader): New member directive_line.
538 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
539 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
540 do_pragma): Pass line to callbacks.
541 (start_directive): Record line of directive.
542 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
543 cb_include): Similarly.
544 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
547 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
549 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
552 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
554 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
556 * reload1.c (fixup_abnormal_edges): New static function.
559 * flow.c (need_fake_edge_p): New function.
560 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
561 avoid call insn to be very last insn in the insn stream.
563 * profile.c (branch_prob): Call flow_call_edges_add instead of
564 doing that by hand; cleanup cfg to re-merge basic blocks once
567 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
569 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
570 are also on line-map.h.
571 * cppfiles.c (stack_include_file): Update.
572 * cpphash.h (struct cpp_buffer): New member return_at_eof.
573 (_cpp_pop_buffer): New.
574 * cppinit.c (cpp_destroy, cpp_finish): Update.
575 (do_includes): Mark each buffer to return at EOF.
576 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
578 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
579 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
580 * cpplib.h (cpp_pop_buffer): Remove.
581 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
582 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
584 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
586 (do_preprocessing): Update.
587 * fix-header.c (read_scan_file): Update. No need to pop buffers.
588 * c-parse.in (_yylex): Similarly.
589 * scan-decls.c (scan_decls): Similarly.
590 * line-map.h: Update comments.
592 * objc/Make-lang.in (objc-act.o): Update dependencies.
594 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
596 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
597 and soft register for operand 0.
598 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
600 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
602 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
603 register for operand 0.
604 ("bitcmpqi_z_used"): Allow memory for operand 0.
605 (split "bitcmpqi"): New split to handle address reg as operand 1.
607 2001-08-04 Andreas Jaeger <aj@suse.de>
609 * gcse.c: Revert Daniel's last patch.
611 2001-08-03 Zack Weinberg <zackw@stanford.edu>
613 * sparc-protos.h: Add prototypes for fp_zero_operand and
615 * sh-protos.h: Add prototype for fpul_operand.
617 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
619 * doc/extend.texi (Other Builtins): Fix typo in last change.
621 2001-08-03 Richard Henderson <rth@redhat.com>
623 * target.h (gcc_target): Add asm_out.named_section,
624 section_type_flags, have_named_sections.
625 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
626 (TARGET_HAVE_NAMED_SECTIONS): New.
627 (TARGET_SECTION_TYPE_FLAGS): New.
629 * Makefile.in (toplev.o): Depend on TARGET_H.
630 (varasm.o, dbxout.o): Likewise.
631 * c-common.c (decl_attributes): Check targetm.have_named_sections
632 instead of ifdef ASM_OUTPUT_SECTION_NAME.
633 * dbxout.c (dbxout_function_decl): Likewise.
634 (dbxout_function_end): Likewise.
635 * toplev.c (compile_file): Likewise.
636 * varasm.c (exception_section): Likewise.
637 * cp/decl2.c (finish_objects): Likewise.
639 * defaults.h (EH_FRAME_SECTION): Remove.
640 (EH_FRAME_SECTION_ASM_OP): Remove.
641 (EH_FRAME_SECTION_NAME): New.
642 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
643 (UNIQUE_SECTION_P): Remove.
644 * dwarf2out.c (SECTION_FORMAT): Remove.
645 (ASM_OUTPUT_SECTION): Remove.
646 (output_call_frame_info): Use named_section_flags.
647 (output_comp_unit, dwarf2out_start_source_file): Likewise.
648 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
649 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
650 * varasm.c (in_eh_frame, eh_frame_section): Remove.
651 (named_section_flags): New.
652 (named_section): Use it and targetm.section_type_flags.
653 (resolve_unique_section): New.
654 (assemble_start_function): Use it.
655 (asm_emit_uninitialised, assemble_variable): Likewise.
656 (default_section_type_flags): New.
657 (default_no_named_section, default_elf_asm_named_section): New.
658 (default_coff_asm_named_section, default_pe_asm_named_section): New.
659 * output.h: Update varasm.c decls.
660 (SECTION_*): New flags.
662 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
663 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
665 * config/elfos.h (UNIQUE_SECTION_P): Remove.
666 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
667 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
668 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
669 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
670 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
671 * config/mips/elf.h, config/mips/elf64.h: Likewise.
672 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
673 * config/pa/pa64-hpux.h,
675 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
676 (TARGET_ASM_NAMED_SECTION): New.
677 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
678 * config/alpha/vms.h, config/arm/coff.h: Likewise.
679 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
680 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
681 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
682 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
683 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
684 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
685 * config/i386/sco5.h, config/i386/win32.h: Likewise.
686 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
687 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
688 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
689 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
690 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
691 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
692 * config/sparc/sysv4.h: Likewise.
694 * config/nextstep.h: Error until named sections implemented.
696 * config/a29k/a29k.c (a29k_asm_named_section): New.
697 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
698 (vms_section_type_flags, vms_asm_named_section): New.
699 * config/arm/arm.c (arm_elf_asm_named_section): New.
700 * config/avr/avr.c (asm_output_section_name): Remove.
701 * config/avr/avr-protos.h: Update.
702 * config/c4x/c4x.c (c4x_asm_named_section): New.
703 * config/h8300/h8300.c (h8300_asm_named_section): New.
704 * config/i386/i386.c (sco_asm_named_section): New.
705 * config/i386/winnt.c (SECTION_PE_SHARED): New.
706 (i386_pe_section_type_flags): New.
707 (i386_pe_asm_named_section): New.
708 * config/i386/i386-protos.h: Update.
709 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
710 * config/mcore/mcore.c (mcore_asm_named_section): New.
711 * config/mips/mips.c (iris6_asm_named_section): New.
712 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
713 instead of UNIQUE_SECTION_P.
714 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
715 (xcoff_asm_named_section): New.
716 * config/sh/sh.c (sh_asm_named_section): New.
717 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
719 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
720 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
721 (EH_FRAME_SECTION_NAME): New.
722 (EXCEPTION_SECTION): New.
723 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
724 (DEBUG_*_SECTION): Remove.
725 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
726 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
727 (EH_FRAME_SECTION_ASM_OP): Remove.
729 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
730 (ASM_OUTPUT_SECTION_NAME): Remove.
731 (TARGET_ASM_NAMED_SECTION): New.
732 (TARGET_HAVE_NAMED_SECTIONS): New.
733 (TARGET_SECTION_TYPE_FLAGS): New.
734 (EH_FRAME_SECTION_ASM_OP): Remove.
735 (EH_FRAME_SECTION_NAME): New.
737 2001-08-03 Zack Weinberg <zackw@stanford.edu>
739 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
740 for complex expressions when cfun == 0.
741 * doc/extend.texi: Document that __builtin_constant_p can be
742 used in data initializers as well as functions.
744 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
746 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
747 variable I locally, instead of expecting a declaration in the
750 2001-08-03 Richard Henderson <rth@redhat.com>
752 * except.c (collect_one_action_chain): Add an explicit cleanup
753 action if regions surrounding a catch were encoded entirely
754 within the call-site entry.
756 2001-08-03 Richard Henderson <rth@redhat.com>
758 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
759 don't take REGNO of a non-register.
761 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
763 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
764 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
765 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
766 (__gthread_mutex_init_function): New function for mutex initialization.
768 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
770 * Makefile.in: Revert screwed up commit.
772 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
774 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
775 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
776 merged by linker script to get a final _exit().
777 (__do_global_dtors): New for destructor handling in specific exit
779 (__do_global_ctors): New for constructors in specific install section.
780 (__map_data_section): Map data sections before running constructors.
781 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
782 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
783 (DTORS_SECTION_ASM_OP): Likewise.
784 (CTORS_SECTION_FUNCTION): Define to force a reference to
786 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
788 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
790 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
792 * Makefile.in: Add df.h to gcse.c dependencies.
794 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
796 * varasm.c (output_constant_def_contents): Use for the length of a
797 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
798 depending on which is larger.
800 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
802 * gcse.c: Include df.h for use as a dataflow analyzer.
804 Declaration of reg_set_info: gone.
805 New df_analyzer variable used by store motion.
806 (reg_set_info): Deleted.
807 (mark_mem_regs): New function, analyze regs used by a mem.
808 (store_ops_ok): Use dataflow analyzer results to determine if
809 necessary regs are changed in the block.
810 (find_moveable_store): Remove check for symbol ref, we can handle
811 much more complex expressions now.
812 (compute_store_table): Remove most of the code, it's unnecessary
813 now that the dataflow analyzer records the info for us.
814 (store_killed_after): Add parameter to say whether to do the
815 store_ops_okay test, used to speed up testing when we already know
816 the answer, and just want to know if the store itself was killed.
817 (build_store_vector): Largely rewritten to calculate the various
818 vectors properly, and somewhat optimized.
819 (store_motion): Init the df_analyzer, get REG_DEF chains.
820 Also handle trapping expressions (since mems almost always trap)
821 (simple_mem): Redefine what a simple mem is.
823 2001-08-03 DJ Delorie <dj@redhat.com>
825 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
826 set from a constant part of the condition.
828 2001-08-01 Andrew Cagney <ac131313@redhat.com>
830 * mkdeps.c (deps_add_default_target): Make local variable
831 ``start'' a const char pointer.
832 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
834 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
836 * doc/install.texi (Configuration): Fix markup.
837 (Specific, i?86-*-udk): Likewise.
838 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
840 Document --enable-threads and --enable-libgcj status.
841 (Specific, mips-sgi-irix*): Canonicalize triples.
842 (Specific, mips-sgi-irix5): Warn about problems with this config.
843 Mention required GNU as patch.
844 Native assembler problems are fixed.
845 (Specific, mips-sgi-irix6): Update O32 ABI support status.
846 Document --enable-threads and --enable-libgcj status.
848 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
850 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
853 2001-08-03 Richard Henderson <rth@redhat.com>
855 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
858 2001-08-03 Richard Henderson <rth@redhat.com>
860 * rtlanal.c (find_first_parameter_load): Stop if we
861 reach a CODE_LABEL at BOUNDARY.
863 2001-08-03 Richard Henderson <rth@redhat.com>
865 * config/alpha/alpha.md (force_movdi): New insn.
866 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
867 Tweek FRP marking of VMS prologue insns.
868 * config/alpha/vms.h (EPILOGUE_USES): New.
870 2001-08-02 Richard Henderson <rth@redhat.com>
872 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
874 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
876 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
877 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
878 config/convex/convex.h, config/d30v/d30v.c,
879 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
880 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
881 config/mips/mips.h, config/mn10200/mn10200.h,
882 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
883 config/v850/v850.h, config/vax/openbsd.h,
884 config/vax/openbsd1.h, config/vax/ultrix.h,
885 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
886 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
887 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
888 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
889 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
890 in comments and documentation.
892 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
896 * Makefile.in (line-map.o): New.
897 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
898 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
899 * cpperror.c (print_containing_files): Similarly.
900 (print_location): Update. Don't output a space before _Pragma.
901 * cppfiles.c (stack_include_file): Set to line 1 immediately.
902 (stack_include_filee, cpp_make_system_header): Update.
903 (_cpp_execute_include): Get logical line number right for calling
904 as-yet-unterminated #include.
905 * cpphash.h (struct cpp_reader): Add line_maps.
906 (_cpp_do_file_change): Update.
907 * cppinit.c (cpp_create_reader): Initialize line maps.
908 (cpp_destroy): Destroy line maps.
909 (cpp_start_read): Get logical line number right.
910 * cpplex.c (parse_string): Only warn once for multi-line strings.
911 Use boolean variable for null warning.
912 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
914 (do_include_common): End the directive early.
915 (do_line): Don't warn about out-of-range lines in preprocessed
916 source. Update. Remove unused variables.
917 (_cpp_do_file_change): Update for new line mapping.
918 (pragma_cb): New typedef.
919 (cpp_register_pragma): Stop looking ahead before calling the
921 (do_pragma_system_header): End directive early.
922 (cpp_get_line_maps): New.
923 (cpp_pop_buffer): Fudge logical line. Update.
924 * cpplib.h: Include line-map.h
925 (enum cpp_fc_reason): Remove.
926 (struct cpp_file_change): Update.
927 (cpp_get_line_maps): New.
928 * cppmain.c (struct_printer): New member map.
929 (cb_file_change): Update for new mappings.
930 * fix-header.c (cb_file_change): Similarly.
932 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
934 * Makefile.in (libgcc.mk): Define mkinstalldirs.
935 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
937 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
939 * config/vax/vax.c: include expr.h.
941 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
943 * Makefile.in ($(srcdir)/configure): Only rebuild in
945 ($(srcdir)/config.in): Only define in maintainer mode.
946 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
948 2001-08-02 David Edelsohn <edelsohn@gnu.org>
950 * doc/install.texi (Install GCC: Binaries): Update Bull info.
952 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
954 * gcc.c (set_collect_gcc_options): New function, split out from
956 Ignore elided switches.
957 (do_spec_1): Invoke before executing command.
960 * gcc.h (set_input): ... here.
961 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
964 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
967 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
969 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
971 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
973 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
974 for the unnamed instructions it expands to.
976 2001-08-02 Richard Henderson <rth@redhat.com>
978 * regclass.c (call_really_used_regs): Conditionally define.
979 (init_reg_sets_1): Don't use it if not defined.
980 (fix_register): Similarly, don't set it.
982 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
984 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
985 Correct comment that had been missed in the previous change.
987 2001-08-01 Stan Shebs <shebs@apple.com>
989 * config/darwin.c (machopic_stub_name): Try matching by name.
990 (update_stubs): New function.
991 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
994 2001-08-01 Richard Henderson <rth@redhat.com>
996 * except.c (output_function_exception_table): Use assemble_align.
997 * varasm.c (assemble_eh_label): Remove.
998 (assemble_eh_align, assemble_eh_integer): Remove.
1000 2001-08-01 Robert Lipe <robertl@caldera.com>
1002 * dwarfout.c: Remove reference to README.DWARF.
1004 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1006 * regclass.c (call_really_used_regs): New array for registers which
1007 are actually used by a call.
1008 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1010 (fix_register): Set call_really_used too.
1011 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1012 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1014 2001-08-01 Richard Henderson <rth@redhat.com>
1016 * read-rtl.c (read_name): Consider \r whitespace.
1018 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1020 * config.gcc: Recognize powerpc-*-netbsd*.
1022 * doc/install.texi (Host/target specific installation notes for
1023 GCC): Mention powerpc-*-netbsd*.
1025 * config/rs6000/netbsd.h: New file.
1026 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1027 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1028 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1029 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1030 (TARGET_VERSION): Redefine.
1032 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1033 mcall-netbsd as a match for mcall-sysv.
1034 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1035 (ncrti.S, ncrtn.S): New targets.
1036 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1038 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1039 "netbsd' as a V4 ABI.
1040 (ASM_SPEC): Check for -mcall-netbsd.
1041 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1042 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1043 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1044 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1045 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1046 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1047 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1049 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1050 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1052 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1054 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1055 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1056 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1057 including "unwind-pe.h".
1059 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1061 * rs6000.md (define_splits): Kill unused constraints.
1063 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1064 Jan Hubicka <jh@suse.cz>
1066 * function.c (thread_prologue_and_epilogue_insns): Kill code
1067 dealing with non-existent CFG.
1069 2001-08-01 Kazu Hirata <kazu@hxi.com>
1071 * alias.c: Fix comment formatting.
1072 * bitmap.c: Likewise.
1073 * builtins.c: Likewise.
1074 * calls.c: Likewise.
1075 * c-common.c: Likewise.
1076 * c-decl.c: Likewise.
1077 * c-dump.c: Likewise.
1078 * c-lex.c: Likewise.
1079 * collect2.c: Likewise.
1080 * combine.c: Likewise.
1081 * conflict.c: Likewise.
1082 * cppfiles.c: Likewise.
1083 * cppinit.c: Likewise.
1084 * cpplex.c: Likewise.
1085 * cpplib.c: Likewise.
1086 * cppmacro.c: Likewise.
1087 * cppspec.c: Likewise.
1088 * c-pragma.c: Likewise.
1089 * crtstuff.c: Likewise.
1091 * cselib.c: Likewise.
1092 * c-semantics.c: Likewise.
1093 * c-typeck.c: Likewise.
1095 2001-08-01 H.J. Lu <hjl@gnu.org>
1097 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1099 2001-08-01 H.J. Lu <hjl@gnu.org>
1101 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1103 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1105 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1106 contextualizing Objective-C class name lookup by the lexer.
1107 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1109 (protocoldef): Add support for forward @protocol declarations.
1110 (yylexname): Suppress ObjC class name lookup in certain contexts;
1111 re-enable after lookup is complete.
1112 (_yylex): Re-enable ObjC class name lookup when certain
1113 punctuation marks are seen.
1115 * objc/objc-act.c (check_protocol_recursively): New function used
1116 for finding circular dependencies in protocols.
1117 (objc_declare_protocols): New function for handling forward
1118 @protocol declarations.
1119 (receiver_is_class_object): Detect the case when 'self' is used
1120 inside of a class method.
1121 (build_message_expr): Issue a warning if class method is desired
1122 but instance method is found instead.
1123 (conforms_to_protocol): Streamline.
1124 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1125 protocol Foo, even if 'Bar foo' does not.
1126 (check_protocols): Streamline.
1127 (start_protocol): Add checks for circular and duplicate protocol
1129 (encode_aggregate_within): For typedefs of structs, encode the
1131 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1132 (objc_declare_protocols): New prototype.
1134 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1136 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1137 * cpplex.c (handle_newline): Update prototype. Maintain logical
1139 (skip_escaped_newlines, skip_block_comment, parse_string):
1141 (_cpp_lex_token): Update, and store token position within the token.
1142 * cpplib.h (struct cpp_token): Add line and column entries.
1143 * cppmacro.c (replace_args): Position stringified tokens correctly.
1145 2001-08-01 Andreas Jaeger <aj@suse.de>
1147 * basic-block.h: Add prototype for last_loop_beg_note.
1149 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1151 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1152 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1154 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1155 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1156 expand_decl_cleanup.
1157 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1159 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1160 operand while calling simple_cst_equal.
1161 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1162 operand is the cleanup expression, the third is the RTL_EXPR.
1163 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1165 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1167 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1169 2001-07-31 matthew green <mrg@eterna.com.au>
1171 * config.gcc (i386-*-netbsdelf): New description.
1172 * config/i386/netbsd-elf.h: New file.
1174 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1176 * loop.c (check_dbra_loop): Use single_set to compute
1179 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1181 PowerPC reorg and support for powerpc64-*-linux*.
1183 Also fixes emitting of constants on 32 bit and 64 bit
1186 * config.gcc: powerpc64-*-linux* is a new target.
1187 Things that needed aix.h now also include xcoff.h
1189 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1191 Move AIX specific stuff into aix.h.
1192 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1193 with more than just XCOFF now.
1194 (SET_ASM_OP): Remove, now defined where needed.
1195 (FUNCTION_PROLOGUE): New macro definition.
1196 (FUNCTION_EPILOGUE): New macro definition.
1197 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1199 * config/rs6000/xcoff.h: New file.
1201 * config/rs6000/linux64.h: New file.
1203 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1205 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1207 * rs6000.c (print_operand_address): Handle ELF syntax.
1208 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1209 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1210 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1212 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1214 * rs6000.c (rs6000_override_options): Only disable
1215 flag_function_sections for XCOFF.
1216 (exact_log2_cint_operand): New predicate.
1217 (reg_or_{add,sub}_cint64_operand): New predicates.
1218 (add_operand): Compare CONST_INT with fewer function calls.
1219 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1220 (print_operand, case 'p'): Ensure positive operand.
1221 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1222 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1223 (PREDICATE_CODES): Add new predicates.
1224 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1225 (divsi3, modsi3): Ensure positive power-of-2.
1226 (adddi3): Use new predicate. Split 32-bit constants more
1227 correctly. Re-arrange splitter to handle any constant.
1228 (subdi3): Use new predicate.
1229 (divdi3, moddi3): Ensure positive power-of-2.
1230 (movdi): Use rs6000_emit_set_const.
1231 (load_toc_v4_pic_di): Delete.
1233 2001-07-31 Graham Stott <grahams@redhat.com>
1235 * function.c (pad_below): Revert 2001-07-26 patch.
1237 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1239 * reg-stack (convert_regs_1): Fix best edge condition.
1241 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1243 * jump.c (duplicate_loop_exit_test): Better test for jumps
1244 entering the loop; create loop pre_header.
1246 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1248 * doc/install.texi: Add s390 and s390x as new targets.
1249 * doc/invoke.texi: Add documantation of S/390 and zSeries
1251 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1253 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1255 * config/m68k/m68k.md: Replace all general_operand with
1256 nonimmediate_operand for all destinations.
1257 * config/m68k/m68k.c (not_sp_operand): Likewise.
1259 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1261 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1263 2001-07-30 Richard Henderson <rth@redhat.com>
1265 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1266 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1268 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1270 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1271 Add missing doc strings
1272 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1273 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1275 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1277 * i386.c (ix86_output_main_function_alignment_hack): New function.
1278 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1280 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1281 edges by EDGE_DFS_BACK flag.
1282 (dump_edge_info): Add dfs_back flag.
1283 * basic-block.h (EDGE_DFS_BACK): New constant.
1284 (mark_dfs_back_edges): Declare.
1285 * alias.c (loop_p): Remove.
1286 (mark_constant_function): Use mark_dfs_back_edges.
1288 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1289 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1290 (compensate_edge): Break out from ...
1291 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1292 (convert_regs_2): Set block_done once block is really done;
1293 Do updating of the predecesors counts.
1295 * toplev.c (rest_of_compilation): Recompute block_for_insn
1296 before post-reload cfg_cleanup.
1297 * function.c (thread_prologue_epilogue_insns):
1298 Call set_block_for_new_insns when emitting prologue directly.
1300 2001-07-30 Andreas Jaeger <aj@suse.de>
1302 * jump.c: Add prototype for mark_modified_reg.
1304 * cse.c (set_live_p): Add unused attribute.
1306 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1308 (scan_for_source_files): Use long for count to avoid overflow.
1309 (output_data): Likewise.
1310 (output_data): Don't use string concatatenation to silence gcc
1313 * predict.c: Fix typos and grammar.
1315 * gcse.c (insert_insn_end_bb): Remove unused variables.
1317 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1319 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1320 (attempt_auto_inc): LIkewise.
1321 (mark_used_reg): Likewise.
1322 (try_pre_increment_1): Likewise.
1323 * regclass.c (regclass): Likewise.
1324 * global.c (allocno_compare): Update comment; change scaling factor.
1325 * local-alloc.c (QTY_CMP_PRI): Likewise.
1326 * regs.h (REG_FREQ_FROM_BB): New.
1327 (REG_FREQ_MAX): Likewise.
1329 2001-07-30 H.J. Lu <hjl@gnu.org>
1331 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1334 2001-07-30 H.J. Lu (hjl@gnu.org)
1336 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1337 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1338 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1340 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1342 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1343 as -mthumb-interwork when -mcpu=arm7 is specified.
1345 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1347 * predict.def (noreturn, loop branch, loop exit): Mark as first
1350 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1352 * combine.c (try_combine): Avoid barrier after noop jumps.
1354 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1356 * cpphash.h (struct cpp_reader): Remove import_warning.
1357 * cpplib.c (skip_rest_of_line): Don't bother turning off
1359 (parse_include): Move include handling to...
1360 (do_include_common): ... here. Move import warning from...
1361 (do_import): ... here.
1362 (do_pragma_poison): Don't do a callback for poison identifiers.
1363 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1364 * cppmain.c (setup_callbacks): Similarly.
1366 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1368 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1369 handle multiple sets.
1370 * except.c (sjlj_mark_call_sites): .... here.
1371 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1373 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1375 Suggested by Richard Henderson and Richard Kenner:
1376 * combine.c (recog_for_combine): Use the fake recog
1377 only if instruction does not match.
1378 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1379 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1381 * combine.c (try_combine): Discover noop jump as direct jump.
1383 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1385 * df.c (df_rd_global_compute): Add successors to worklist, not
1387 (df_ru_global_compute): Ditto.
1389 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1391 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1392 increment REG_N_SETS.
1394 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1396 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1398 * sbitmap.c (sbitmap_a_xor_b): New function.
1399 ifdef the basic block stuff on IN_GCC.
1401 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1403 * cppexp.c (parse_defined): Always record the macro name.
1404 (lex): Don't worry about identifiers, or special-case
1406 (_cpp_parse_expr): Figure out at the end of the routine
1407 whether we saw a valid !defined() expression.
1408 * cppfiles.c (stack_include_file): Update for mi_valid.
1409 (_cpp_pop_file_buffer): Similarly.
1410 * cpplex.c (_cpp_lex_token): Similarly.
1411 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1412 mi_if_not_defined, mi_lexed): Remove.
1414 * cpplib.c (do_if): Simplify.
1415 (do_endif, push_conditional, _cpp_handle_directive): Update
1416 for renaming of mi_state to mi_valid.
1418 * cpp.texi: Add index entries for digraphs, and add comment
1419 that C++ refers to them as alternative tokens.
1421 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1423 * basic-block.h (CLEANUP_PRE_LOOP): New.
1424 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1425 * sibcall.c (optimize_sibling_calls): Likewise.
1426 * toplev.c (rest_of_compilation): Likewise.
1427 * flow.c (try_forward_edges): Take argument MODE;
1428 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1429 (try_optimize_cfg): Update call of try_forward_edges.
1431 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1432 Jan Hubicka <jh@suse.cz>
1434 * (validate_replace_rtx_1): Fix simplification of MINUS.
1436 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1438 PR preprocessor/3669
1439 * cppinit.c (init_dependency_output): Turn off dump requests
1440 if sending dependencies to stdout.
1442 2001-07-28 Richard Henderson <rth@redhat.com>
1444 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1447 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1449 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1451 2001-07-28 Kazu Hirata <kazu@hxi.com>
1453 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1454 is VAR_DECL first to prevent an ICE.
1456 2001-07-28 Richard Henderson <rth@redhat.com>
1458 * varasm.c (immed_real_const_1): Don't elide special cases for
1460 (clear_const_double_mem): Clear const_tiny_rtx too.
1462 2001-07-28 Richard Henderson <rth@redhat.com>
1464 * dwarf2out.c (dw_val_class_offset): New.
1465 (struct dw_ranges_struct, dw_ranges_ref): New.
1466 (ranges_table, ranges_table_allocated): New.
1467 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1468 (add_AT_offset, add_ranges, output_ranges): New.
1469 (print_die, output_die): Handle dw_val_class_offset.
1470 (attr_checksum, size_of_die, value_format): Likewise.
1471 (gen_lexical_block_die): Handle non-contiguous blocks.
1472 (gen_block_die): Likewise.
1473 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1474 if needed. Dump the ranges table.
1475 * final.c (final_start_function): Remove unnecessary notes and
1476 rebuild the block tree before numbering the blocks.
1477 * function.c (reorder_blocks_0): Walk the existing block tree
1478 to unmark all blocks.
1479 (reorder_blocks_1): Create block fragments when duplicate block
1481 (reorder_fix_fragments): New.
1482 (reorder_blocks): Call it.
1483 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1485 2001-07-28 Richard Henderson <rth@redhat.com>
1487 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1489 2001-07-28 Richard Henderson <rth@redhat.com>
1491 * flow.c (add_to_mem_set_list): New function.
1492 (init_propagate_block_info): Use it.
1493 (mark_set_1): Likewise.
1494 (insn_dead_p): Canonicalize memory address for dead store
1495 comparison. Allow wider mode stores to kill narrower mode stores.
1496 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1497 (invalidate_mems_from_set): Don't handle MEMs.
1499 2001-07-28 Kazu Hirata <kazu@hxi.com>
1501 * config/h8300/h8300.h: Fix formatting.
1503 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1505 * basic-block.h (EDGE_FREQUENCY): New macro.
1506 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1508 * flow.c (find_sub_basic_blocks): Likewise.
1509 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1510 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1512 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1513 (HITRATE): New macro.
1514 (PRED_FLAG_FIRST_MATCH): New constant.
1515 (predictor_info): New field flgags.
1516 (combine_predictions_for_insn): Use DS theory to combine
1517 probabilities; set the edge probabilities when finished.
1518 (estimate_probability): Avoid duplicated matches
1519 of LOOP_BRANCH heuristics for nested loops; update comment.
1520 * predict.def: Add flags for each prediction, set probabilities
1521 according to B&L paper.
1522 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1524 * profile.c (compute_branch_probabilities): Cleanup way the edge
1525 probabilities are computed and REG_BR_PROB notes are dropped; if
1526 values does not match, emit error.
1527 (init_branch_prob): Do error instead of warning when profile driven
1528 feedback is missing or corrupt.
1530 2001-07-27 DJ Delorie <dj@redhat.com>
1532 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1533 against a constant, try to adjust the compare to have the desired
1534 constant in it so that min/max optimizations happen more often.
1536 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1538 * flow.c (last_loop_beg_note): New function.
1539 (redirect_edge_and_branch): Use it.
1540 (split_edge): Likewise.
1542 * alias.c (loop_p): Avoid uninitialized memory access.
1544 * flow.c (try_forward_edges): Avoid accessing freed memory.
1546 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1549 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1551 * doc/install.texi (Configuration): Properly link the host
1552 specific instructions also when generating HTML.
1554 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1556 * flow.c (redirect_edge_and_branch_force): Test
1557 target->global_live_at_start.
1559 2001-07-26 Richard Henderson <rth@redhat.com>
1561 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1562 * rtl.h (avoid_constant_pool_reference): Declare it.
1563 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1564 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1566 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1568 * rtl.h (cleanup_barriers): Declare.
1569 * jump.c (cleanup_barriers): New function.
1570 * toplev.c (rest_of_compilation): Call cleanup_barriers
1571 before loop optimizer and after bb_reorder.
1573 * flow.c (back_edge_of_syntactic_loop_p): New.
1574 (split_edge): Use it.
1576 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1578 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1580 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1582 * cse.c (cse_process_notes): Replace any registers if the address
1585 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1587 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1588 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1589 (propagate_block): Update prototype.
1590 * flow.c (update_life_info): Simplify the CFG and
1591 recalculate the global regs which are alive when
1592 removing dead code during a global update.
1593 (propagate_block): Return non-zero if an INSN is
1596 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1598 * Makefile.in (LIBICONV): Define.
1600 2001-07-26 Catherine Moore <clm@redhat.com>
1602 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1603 of conditional to avoid tree checking errors.
1605 2001-07-26 Kazu Hirata <kazu@hxi.com>
1607 * regmove.c (regmove_optimize): Don't replace a reg with
1608 another reg of a different mode.
1610 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1612 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1613 limit length of dependancy flush list.
1614 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1615 * sched-int.h (struct deps): Add pending_flush_length field.
1616 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1617 has 1 element in it.
1618 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1619 (sched_analyze): After a jump, if the pending memory flush list is too
1620 large, flush the pending lists.
1621 (init_deps): Initialize pending_flush_length to 0.
1622 * doc/invoke.texi (max_pending_list_length): Document parameter.
1624 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1626 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1627 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1628 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1630 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1632 * cpphash.h (struct_lexer_state): Delete was_skipping.
1633 Move skipping here from struct cpp_reader.
1634 * cpplex.c (parse_identifier): Update.
1635 (_cpp_lex_token): Don't skip tokens in a directive.
1636 * cpplib.c (struct if_stack): Update.
1637 (start_directive, end_directive): Don't change skipping state.
1638 (_cpp_handle_directive): Update.
1639 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1640 (do_else, do_endif): Update; only check for excess tokens if not
1641 in a skipped conditional block.
1642 (push_conditional): Update for new struct if_stack.
1644 2001-07-26 Graham Stott <grahams@redhat.com>
1646 * function.c (locate_and_pad_parm): Also pad initial offset
1647 so that the total argument size also includes the padding.
1649 2001-07-26 Graham Stott <grahams@redhat.com>
1651 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1652 change XSTR to XTMPL.
1654 (process_one_cond_exec): Likewise
1656 2001-07-25 Richard Henderson <rth@redhat.com>
1658 * varasm.c (assemble_variable): Create DECL_RTL before setting
1661 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1663 * predict.c (estimate_probability): Avoid duplicated predictions.
1665 * loop.c (find_and_verify_loops): Grok multiple barriers.
1667 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1669 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1671 * dbxout.c: Consistently use putc instead of fputc.
1672 (print_wide_int): New function; call instead of direct fprintf.
1673 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1674 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1675 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1676 (print_int_cst_octal): Likewise.
1677 (print_octal): Show we wrote characters.
1678 (dbxout_type): Set have_used_extensions in more places.
1680 2001-07-25 Catherine Moore <clm@redhat.com>
1682 * config/v850/v850.c (v850_va_arg): Use addr
1683 instead of valist to build incr.
1685 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1687 * flow.c (delete_dead_jumptables): New function.
1688 (life_analyzis): Call it.
1689 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1692 2001-07-25 Richard Henderson <rth@redhat.com>
1694 * except.c (reachable_handlers): Handle a region being removed
1695 out from under a RESX.
1697 2001-07-25 Richard Henderson <rth@redhat.com>
1699 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1700 swap GE/GT if it is an fp comparison.
1702 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1704 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1707 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1709 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1710 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1713 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1715 (visit_expression): When attempting to simplify an expression,
1716 retrieve any modes for arguments before they are simplified
1719 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1720 Janis Johnson <janis@us.ibm.com>
1722 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1723 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1724 pointer parameters to match documented usage of nonlocal_goto.
1725 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1726 parameters to their correct order.
1727 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1728 parameters to their correct order.
1730 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1732 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1734 2001-07-25 Jan Hubicka <jh@suse.cz>
1735 Richard Henderson <rth@redhat.com>
1737 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1739 (make_edges): New argument update_p; populate the edge cache if set.
1740 (find_basic_blocks): Update make_edges invocation.
1742 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1744 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1746 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1748 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1749 -Acpu and -Amachine.h.
1750 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1751 Corrected header to say ELF not a.out.
1752 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1753 when given -msoft-float.
1755 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1757 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1758 extra multilib parts like arm-elf.
1759 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1760 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1761 crtfini.o as extra multilib parts.
1763 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1765 * configure.in: Add rtems as a supported thread model.
1766 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1767 * configure: Rebuilt.
1769 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1771 * stor-layout.c (get_mode_alignment): make it work when
1772 BITS_PER_UNIT is not a power of two.
1773 * builtins.c (get_pointer_alignment): Likewise.
1775 2001-07-24 Richard Henderson <rth@redhat.com>
1777 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1778 the retrieved constant into the expected mode.
1780 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1782 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1783 (verify_flow_info): Check for duplicated edges; clarify
1786 * flow.c (block_label): Update basic_block_for_insn.
1787 (commit_edge_insertions): Call compute_bb_for_insn.
1789 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1792 * flow.c (redirect_edge_and_branch,
1793 try_optimize_cfg): Use redirect_edge_succ_nodup
1794 (redirect_edge_succ_nodup): New.
1795 * basic_block.h (redirect_edge_succ_nodup): Declare.
1797 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1800 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1802 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1803 (try_crossjump_to_edge): Update commetns.
1804 (try_crossjump_bb): Likewise.
1806 2001-07-24 Richard Henderson <rth@redhat.com>
1808 * combine.c (distribute_notes): Move set of need_refresh
1809 for noop_move_p down to catch all cases.
1811 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1813 * recog.c (split_all_insns_noflow): New.
1814 * rtl.h (split_all_insns_noflow): Declare.
1815 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1816 * m68hc11.c (m68hc11_reorg): Likewise.
1817 * sh.c (machine_dependent_reorg): Likewise.
1818 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1821 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1823 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1824 (ashlsi3_n splitter): Likewise.
1825 (lshrsi3_n splitter): Likewise.
1827 (GOTaddr2picreg): Make const SImode.
1828 (sym_label2reg): Likewise.
1829 (symGOT2reg): Likewise.
1830 (symGOTOFF2reg) Likewise.
1832 (casesi_worker_0): Make unspec SImode.
1834 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1836 * config/sh/sh.c (barrier_align): Check that an operand really is
1837 an insn before extracting its INSN_CODE.
1839 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1841 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1844 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1845 for SImode to prevent overflow.
1847 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1849 * config/mips/irix6-libc-compat.c: New file.
1850 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1851 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1854 2001-07-24 lars brinkhoff <lars@nocrew.org>
1856 * rtl.texi (REG_POINTER): Document.
1857 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1858 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1860 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1862 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1864 2001-07-23 Richard Henderson <rth@redhat.com>
1866 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1868 2001-07-23 Kazu Hirata <kazu@hxi.com>
1870 * config/h8300/h8300-protos.h: Add a prototype for
1871 general_operand_dst_push.
1872 * config/h8300/h8300.c (general_operand_dst_push): New.
1873 * config/h8300/h8300.h (OK_FOR_T): New.
1874 (EXTRA_CONSTRAINT): Use it.
1875 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1876 the existing movqi pattern.
1877 (movhi_push): Likewise.
1879 * reload.c: Fix comment typos.
1881 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1883 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1885 2001-07-23 H.J. Lu (hjl@gnu.org)
1887 * doc/extend.texi: Update __builtin_return_address and
1888 __builtin_frame_address.
1890 2001-07-23 Richard Henderson <rth@redhat.com>
1892 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1894 * config/i386/i386.md: New setcc+movzbl peephole2.
1896 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1898 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1899 * objc/objc-act.c: Include debug.h.
1900 (synth_module_prologue): Save and restore debug hooks too.
1902 2001-07-23 lars brinkhoff <lars@nocrew.org>
1904 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1905 and C4X_FLOAT_FORMAT.
1906 (BOOL_TYPE_SIZE): Document.
1908 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1910 * unroll.c (loop_iterations): Fix miscalculation of initial
1913 2001-07-13 Andrew Haley <aph@redhat.com>
1915 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1916 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1917 * config/sh/sh.c (sh_can_redirect_branch): New function.
1918 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1919 * reorg.c (steal_delay_list_from_target): Use
1920 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1922 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1924 * flow.c (try_simplify_condjump): Unlink insn chain on
1925 fallthru edge; use can_fallthru.
1927 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1929 * basic-block.h (find_sub_basic_block): Declare.
1930 * flow.c (make_edges): New arguments MIN and MAX;
1931 (find_sub_basic_blocks): Revamp to use make_edges
1932 and purge_dead_edges.
1933 (find_basic_blocks): Update call of find_sub_basic_block.
1935 * recog.c (split_all_insns): Always expect CFG to be consistent;
1936 call find_sub_basic_blocks in case something has changed.
1937 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1940 * basic-block.h (delete_noop_moves): Declare.
1941 * combine.c (combine_instructions): Call it.
1942 (recog_for_combine): Tolerate noop moves
1943 (distribute_notes): Force refresh when register dies at noop move.
1944 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1946 (life_analysis): Update delete_noop_moves call.
1947 (set_noop_p): Move too ...
1948 * rtlanal.c (noop_move_p): ... here.
1949 * rtl.h (noop_move_p): Declare.
1951 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1952 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1954 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1955 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1957 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1959 * reload.c (push_reload): Fix typo in comment.
1960 (find_reloads_address): Ditto.
1961 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1963 2001-07-22 Richard Henderson <rth@redhat.com>
1965 * flow.c: Grammar check and clarify a lot of comments.
1966 (try_simplify_condjump): Rename variables to be clearer.
1967 (try_forward_edges): Skip complex and fallthru edges.
1968 Rearrange tests to avoid duplicate checks.
1969 (flow_find_cross_jump): Likewise.
1970 (outgoing_edges_match): Allow match if neither branch has
1971 probability data. Loosen probability match to 5%.
1972 (try_crossjump_to_edge): Hoist repeated indirection into
1974 (try_crossjump_bb): Don't check complex edges. Eliminate
1975 redundant crossjump tests.
1976 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1977 checks before more expensive checks.
1979 2001-07-22 Richard Henderson <rth@redhat.com>
1981 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1982 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1985 2001-07-22 Richard Henderson <rth@redhat.com>
1987 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1988 (const_sint32_operand): Likewise.
1989 * m68k.md (anon mulsi pattern): Use const_int_operand not
1990 const_sint32_operand.
1991 (umulsi3_highpart): Zero extend a constant input.
1992 (smulsi3_highpart): Don't bother checking SImode constant.
1993 (const_umulsi3_highpart): Give op3 DImode.
1994 (const_smulsi3_highpart): Likewise.
1996 2001-07-22 Richard Henderson <rth@redhat.com>
1998 * flow.c (split_block): Make sure bb_note is included in the
1999 new block when splitting before a label.
2001 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2003 * basic-block.h (redirect_edge_and_branch_force,
2004 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2005 * flow.c (redirect_edge_and_branch_force,
2006 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2007 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2008 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2009 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2010 instead of label; update CFG after transformation.
2011 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2012 for finishing the transformation; handle even case where ELSE
2013 does not follow THEN.
2014 (find_if_case_2): Update call of dead_or_predictable; simplify
2017 * emit-rtl.c (split_branch_probability): New global variable.
2018 (try_split): Take care to set split_branch_probability and
2019 create REG_BR_PROB note for new jump insns.
2020 * md.texi (define_split): Document new feature.
2022 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2024 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2026 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2027 (asm_out_file): Remove redundant declaration.
2028 (assemble_asm): Remove old #if 0 block.
2029 (assemble_variable): Remove end of function; debug output is
2030 now handled with global_decl. Remove old #if 0 block. Update.
2031 Remove saved_in_section and associated no-op code.
2032 * Makefile.in (varasm.o): Correct dependencies.
2034 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2036 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2037 the definition in defaults.h.
2039 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2041 * jump.c: Update comments.
2042 (delete_barrier_successors, delete_unreferenced_labels,
2043 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2044 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2045 jump_optimize, jump_optimize_minimal): Kill.
2046 (rebuild_jump_labels): Move code from jump_optimize_1.
2047 (purge_line_number_notes): Likewise.
2048 (copy_loop_headers): Likewise.
2049 * reg-stack.c: Update comment.
2051 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2052 JUMP_AFTER_REGSCAN): Kill.
2053 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2054 purge_line_number_notes and copy_loop_headers.
2056 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2057 Richard Henderson <rth@redhat.com>
2059 * dbxout.c (dbxout_global_decl): New.
2060 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2061 * sdbout.c (sdbout_finish): New.
2062 (sdbout_debug_hooks): Use it, add comments.
2063 (sdbout_global_decl): Defer initialised public vars to
2065 * varasm.c (assemble_variable): Don't output debug information
2066 for file-scope variables.
2068 2001-07-22 Richard Henderson <rth@redhat.com>
2070 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2071 (get_round_mode_suffix): New.
2072 (print_operand): Use them for [/]. Remove support for [&'`()+].
2073 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2074 * config/alpha/alpha.md (attr round_suffix): New.
2075 (attr trap_suffix): New.
2076 (all insns): Set them appropriately. Use %/ instead of the
2079 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2081 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2083 2001-07-22 Richard Henderson <rth@redhat.com>
2085 * regrename.c (regrename_optimize): Compute nregs for each
2086 potential target register.
2088 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2089 Richard Henderson <rth@redhat.com>
2091 * dbxout.c (dbxout_global_decl): New.
2092 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2093 * sdbout.c (sdbout_finish): New.
2094 (sdbout_debug_hooks): Use it, add comments.
2095 (sdbout_global_decl): Defer initialised public vars to
2097 * varasm.c (assemble_variable): Don't output debug information
2098 for file-scope variables.
2100 2001-07-21 H.J. Lu (hjl@gnu.org)
2102 * config/mips/mips.c (mips_cpu): Moved into ...
2103 (override_options): Here.
2105 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2107 (mips_cpu): Removed.
2109 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2111 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2112 ("iorqi3"): Likewise.
2113 ("xorqi3"): Likewise.
2114 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2115 ("*subhi3_sp): Likewise.
2116 ("*subhi3"): Likewise.
2117 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2120 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2122 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2123 * config/freebsd.h: Likewise.
2124 * config/linux.h: Likewise.
2125 * config/openbsd.h: Likewise.
2126 * config/alpha/linux-elf.h: Likewise.
2127 * config/arm/linux-elf.h: Likewise.
2128 * config/d30v/d30v.h: Likewise.
2129 * config/fr30/fr30.h: Likewise.
2130 * config/ia64/aix.h: Likewise.
2131 * config/ia64/ia64.h: Likewise.
2132 * config/mips/linux.h: Likewise.
2133 * config/pj/pj.h: Likewise.
2134 * config/rs6000/linux.h: Likewise.
2135 * config/sparc/linux.h: Likewise.
2136 * config/sparc/linux64.h: Likewise.
2138 2001-07-20 Bruce Korb <bkorb@gnu.org>
2140 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2141 because getc() and char* may disagree on signedness.
2143 2001-07-20 Richard Henderson <rth@redhat.com>
2145 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2147 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2148 insns to delete in the presence of cc0 in a jump insn.
2150 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2151 Jan Hubicka <jh@suse.cz>
2153 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2154 of doing the change by hand.
2156 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2158 * rtlanal.c (set_noop_p): Return true for noop jumps.
2160 * expr.c (emit_single_push_insn): Add call to push expander.
2161 * expr.h (optab_index): Add OTI_push
2162 (push_optab): New constant.
2163 * genopinit.c (optabs): Add push_optab.
2164 * optabs.c (init_optab): Init push optab.
2165 * md.texi (push??1): Document
2167 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2169 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2170 expand to emit the pattern; put a REG_INC note for push/pop
2172 ("movdf", "movdf_internal"): Likewise.
2173 ("movsi", "movsi_internal"): Likewise.
2174 ("movsf", "movsf_internal"): Likewise.
2175 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2177 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2179 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2182 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2184 * params.def: Change default max inline insns to 100.
2186 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2188 * combine.c (combine_simplify_rtx): Generate a new shift operation
2189 when simplifying the first operand of a (neg (ashift)) expression.
2191 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2193 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2195 2001-07-20 Kelley Cook <kelley.cook@home.com>
2197 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2198 information. Move rest into ...
2199 (*-*-solaris): ... here. Eliminate redundant information and
2200 reword necessary packages section. Delete 4.x assembler bug info.
2201 (sparc-sun-*): Merge into ...
2202 (sparc-sun-sunos*): here.
2204 2001-07-20 Catherine Moore <clm@redhat.com>
2206 * config/v850/v850.md (casesi): Generate LABEL_REF
2209 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2211 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2212 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2213 * i386.md (strclrsi expander): Use it.
2215 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2217 * integrate.c (copy_insn_list): handle
2218 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2219 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2220 identically as to CODE_LABEL.
2222 * fold-const (fold): Convert A/B/C to A/(B*C) and
2225 * except.c (connect_post_landing_pads): Delete the RESX insns.
2227 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2229 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2231 * config/mips/mips.md (nmadd/nmsub): Use macro.
2233 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2235 * cppinit.c (remove_dup_dir): Make static.
2236 (remove_dup_dirs): Make static. Only warn about preempting a
2237 system directory with a non-system directory.
2239 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2241 * ifcvt.c (noce_try_store_flag_constants): Correct order
2242 of parameters to trunc_int_for_mode.
2244 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2246 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2247 an exception that will be caught within this function, do not fill
2248 its delay slot with any subsequent instruction.
2250 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2252 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2253 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2254 pointer extension instruction.
2255 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2256 * simplify-rtx.c (simplify_unary_operation) Likewise.
2257 * explow.c (convert_memory_address) Check value of
2258 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2260 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2261 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2262 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2263 Add Multilib Support.
2264 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2265 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2266 Add Multilib Support.
2267 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2269 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2270 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2271 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2273 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2275 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2276 old and new operands in `<', `3' and `b'.
2278 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2280 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2281 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2282 (toplev.o): Don't depend on xcoffout.h.
2283 * c-decl.c: Include debug.h
2284 (duplicate_decls): Use debug hook.
2285 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2286 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2287 (dbxout_types): Remove.
2288 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2289 * debug.c (do_nothing_debug_hooks): Update.
2290 (debug_true_tree, debug_nothing_rtx): New.
2291 * debug.h (struct rtx_def): New.
2292 (struct gcc_debug_hooks): New hooks ignore_block,
2293 outlining_inline_function and label.
2294 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2295 dwarf2out_frame_finish): New.
2296 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2297 Make static, update prototype.
2298 (dwarf2_debug_hooks): Update.
2299 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2300 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2301 * dwarfout.c (dwarf_debug_hooks): Update.
2302 * emit-rtl.c: Include debug.h.
2303 (remove_unnecessary_notes): Use debug hook.
2304 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2305 (final_scan_insn): Use debug hook.
2306 * integrate.c (output_inline_function): Use debug hook.
2307 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2308 (sdb_debug_hooks): Update.
2309 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2310 * toplev.c: Don't include xcoffout.h.
2311 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2312 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2314 * tree.h (dwarf2out_do_frame): Remove.
2316 2001-07-19 Catherine Moore <clm@cygnus.com>
2318 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2320 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2322 * reload1.c (eliminate_regs_in_insn): When updating a set
2323 to the frame pointer to the hardware frame pointer, perform
2324 the update always not just when REPLACE is set.
2326 * reload1.c (choose_reload_regs): Don't inherit a reload
2327 that crosses multiple registers if registers past the first
2328 don't fit in the desired class.
2330 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2331 when negating constants.
2333 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2335 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2336 * doc/tree.texi: Ditto.
2338 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2339 Jakub Jelinek <jakub@redhat.com>
2341 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2342 (extract_cie_info): Handle "eh" augmentation properly,
2344 (struct frame_state, __frame_state_for): New.
2346 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2348 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2349 HANDLE_SYSV_PRAGMA): Define.
2350 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2352 (copy_object): Caller changed.
2354 2001-07-19 Andreas Schwab <schwab@suse.de>
2356 * configure.in (assembler dwarf2 debug_line support): Define nop
2358 * configure: Regenerated.
2360 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2362 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2364 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2365 to conditionally compiled block.
2366 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2367 * dbxout.h (dbxout_function): Remove.
2368 * debug.c (do_nothing_debug_hooks): Update.
2369 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2370 global_decl, deferred_inline_function.
2371 * dwarf2out.c (dwarf2_debug_hooks): Update.
2372 (dwarf2out_global_decl): New.
2373 * dwarfout.c: Don't include dwarfout.h.
2374 (dwarfout_global_decl, dwarfout_function_decl,
2375 dwarfout_deferred_inline_function): New.
2376 (dwarf_debug_hooks): Update.
2377 * dwarfout.h: Remove.
2378 * final.c: Don't include dwarfout.h.
2379 * sdbout.c (sdbout_global_decl): New.
2380 (sdbout_debug_hooks): Update.
2381 * toplev.c: Don't include dwarfout.h.
2382 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2383 (note_deferral_of_defined_inline_function): Remove.
2384 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2385 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2386 * ch/lex.c: Don't include dwarfout.h.
2387 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2388 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2389 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2390 * cp/optimize.c: Include debug.h.
2391 (maybe_clone_body): Use debug hook.
2392 * cp/semantics.c: Include debug.h.
2393 (expand_body): Use debug hook.
2394 * po/POTFILES.in: Remove dwarfout.h.
2396 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2398 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2399 * c-parse.in (yyerror, _yylex): Similarly.
2400 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2401 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2403 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2404 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2406 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2408 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2409 in-class declaration at -g1. Fixes c++/2814.
2411 2001-07-18 Richard Henderson <rth@redhat.com>
2413 * doc/md.texi (reload_in/out): Document restrictions in predicates
2414 and constraints for these patterns. Document empty string matching
2417 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2419 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2421 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2423 * cse.c: Undo my previous patch.
2425 2001-07-18 Tom Tromey <tromey@redhat.com>
2428 * configure: Rebuilt.
2429 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2431 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2433 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2434 Jan Hubicka <jh@suse.cz>
2436 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2437 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2438 * jump.c (mark_jump_label): Do not forward branches.
2440 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2442 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2443 when return value is unused.
2445 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2447 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2449 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2451 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2452 on error. We can't blindly return the result of
2453 pthread_mutex_trylock because it returns a positive number on
2454 error, while we must return -1 on error.
2455 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2457 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2459 2001-07-18 Andreas Jaeger <aj@suse.de>
2461 * integrate.c (output_inline_function): Correct type of debug_hooks.
2463 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2465 * combine.c (combine_simplify_rtx): DIV can be treated
2466 associatively for floats if unsafe math optimisations are enabled.
2468 2001-07-17 Richard Henderson <rth@redhat.com>
2470 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2472 2001-07-17 Richard Henderson <rth@redhat.com>
2474 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2475 don't force the function address into a register.
2476 (expand_call, emit_library_call_value_1): Update callers.
2477 * builtins.c (expand_builtin_apply): Likewise.
2478 * expr.h (prepare_call_address): Update decl.
2480 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2482 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2484 * config/i386/chorus.h: Move up.
2485 * config/sparc/chorus.h: Likewise.
2486 * config/rs6000/chorus.h: Likewise.
2487 * config/chorus.h: Moved here.
2489 2001-07-17 Andreas Schwab <schwab@suse.de>
2491 * configure.in (assembler eh_frame optimization): Handle big
2493 * configure: Regenerated.
2495 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2497 * expr.c (epxand_expr): Convert divisions into multiplications by
2498 reciprocals if -ffast-math.
2500 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2502 * dbxout.c (dbxout_really_begin_function): Rename to
2503 dbxout_begin_function.
2504 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2505 (dbxout_begin_function): Remove.
2506 (dbxout_function): Update.
2507 (dbxout_source_line): Update prototype.
2508 * dbxout.h (dbxout_begin_function): Remove.
2509 * debug.c (do_nothing_debug_hooks): Update.
2510 (debug_nothing_tree): Update.
2511 (debug_nothing_charstar_rtx): Remove.
2512 * debug.h (union tree_node): Declare.
2513 (struct rtx_def): Remove.
2514 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2515 begin_function. Change source_line prototype.
2516 (debug_nothing_tree): New.
2517 (debug_nothing_charstar_rtx): Delete.
2518 (dwarf2out_begin_prologue): Moved from ...
2520 * dwarf2out.c (dwarf2_debug_hooks): Update.
2521 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2522 debug info, call dwarf2out_source_line.
2523 (dwarf2out_souce_line): Update prototype.
2524 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2525 Change prototype, make static.
2526 (dwarfout_source_line): Update prototype.
2527 (dwarf_debug_hooks): Update.
2528 * dwarfout.h (dwarfout_begin_function): Remove.
2529 * final.c (final_start_function, final_scan_insn): Use appropriate
2530 debug hooks, update to use notice_source_line.
2531 (output_source_line): Rename notice_source_line. Don't call the
2532 source_line debug hook.
2533 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2534 make static, update prototype.
2535 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2537 (sdbout_end_prologue): New.
2538 (sdbout_source_line): Update prototype.
2539 (sdbout_debug_hooks): Update.
2540 (sdbout_symbol): Remove unused var.
2541 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2543 * varasm.c: Include debug.h.
2544 (assemble_start_function): Use begin_function debug_hook.
2545 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2546 update with prototype.
2547 (xcoffout_source_line): Update prototype.
2548 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2550 (xcoffout_source_line): Update prototype.
2552 2001-07-17 Richard Henderson <rth@redhat.com>
2554 * c-typeck.c (build_binary_op): Do not shorten unsigned
2555 right shift after sign extension.
2557 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2559 * combine.c (combine_simplify_rtx): Attempt to simplify
2560 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2562 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2563 (simplify_binary_operation, simplify_unary_operation,
2564 simplify_relational_operation): Use it.
2566 * combine.c (combine_simplify_rtx): Don't do associative law
2567 on divisions; allow associative law on floats.
2569 2001-07-17 H.J. Lu <hjl@gnu.org>
2570 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2572 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2573 ASM_OUTPUT_WEAK_ALIAS are defined.
2574 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2575 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2577 * config/mips/iris5.h: ... here.
2578 (HANDLE_SYSV_PRAGMA): Defined as 1.
2579 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2580 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2583 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2585 * c-parse.in (all_prefix_attributes): New variable.
2586 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2587 (maybe_resetattrs): New production.
2588 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2589 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2590 notype_initdcl, nested_function, notype_nested_function,
2591 component_decl, components, components_notype,
2592 component_declarator, component_notype_declarator,
2593 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2594 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2595 after a comma being applied to more than one declarator.
2596 * doc/extend.texi (Attribute Syntax): Update. Remove
2597 documentation of bugs that are no longer present.
2599 2001-07-13 Eric Christopher <echristo@redhat.com>
2601 * config/mips/mips.h: Change TUNE_MIPS* options to use
2603 (EXTRA_SPECS): Add cc1_cpu_spec.
2604 * config/mips/mips.md (muldf3): Fix typo.
2606 2001-07-16 Richard Henderson <rth@redhat.com>
2608 * config/m68k/m68k.c: Include expr.h and reload.h.
2609 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2610 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2612 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2613 Richard Henderson <rth@redhat.com>
2615 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2616 (insn_live_p): Fix fall off end of function.
2617 (dead_libcall_p): Remove COUNTS argument; update callers.
2618 (delete_trivially_dead_insns): Remove unused variables.
2620 2001-07-17 Andreas Jaeger <aj@suse.de>
2622 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2625 * lcm.c (optimize_mode_switching): Avoid warning for unused
2626 variable if !NORMAL_MODE.
2628 * flow.c (try_crossjump_to_edge): Remove unused variable.
2630 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2632 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2633 atexit declaration in stdlib.h.
2635 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2637 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2639 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2641 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2642 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2643 do rebuild_jump_labels instead of jump_optimize
2644 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2645 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2646 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2648 * flow.c: Include timevar.h
2649 (find_basic_block): Push/pop timevar;
2650 (cleanup_cfg): Likewise.
2651 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2652 * Makefile: Add dependencies on timevar.h
2654 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2655 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2657 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2658 * toplev.c (rest_of_compilation): Update calls.
2659 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2660 (delete_trivially_dead_insns): ... here; accept new argument
2661 preserve_basic_blocks; preserve basic blocks if set.
2663 * reg-stack.c (stack_regs_mentioned): Return 0 if
2664 stack_regs_mentioned_data is not initialized.
2665 (reg_to_stack): Make stack_regs_mentioned survive after the
2666 reg-stack is completted; do not call cleanup_cfg.
2667 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2668 make cleanup_cfg after bb-reorder to output to debug file.
2670 2001-07-16 Richard Henderson <rth@redhat.com>
2672 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2673 from int_reg_class_contents.
2675 2001-07-16 Richard Henderson <rth@redhat.com>
2677 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2678 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2679 (init_reg_sets_1): Move initialization from cse_main.
2680 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2681 (cse_main): Move its initialization also.
2682 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2683 * flow.c (propagate_one_insn): Likewise.
2684 * gcse.c (compute_hash_table): Likewise.
2685 (compute_kill_rd, compute_store_table): Likewise.
2686 * sched-deps.c (sched_analyze_1): Likewise.
2688 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2690 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2693 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2695 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2696 in if statement so we don't access undefined memory.
2698 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2700 * gcse.c: Update comment at top.
2701 Update comment on mem handling.
2702 mem_last_set, mem_first_set, mem_set_in_block: gone.
2703 Declaration of reg_set_info: gone.
2704 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2705 pointless with load_killed_in_block_p (they are *more*
2706 conservative then it, not less, and less accurate).
2707 (oprs_not_set_p): Ditto.
2708 (alloc_gcse_mem): Don't allocate mem_set_in_block
2709 (free_gcse_mem): Don't free it, either.
2710 (record_last_mem_set_info): Update comment in front, remove
2711 mem_*set_* stuff. Note the reason we don't handle stores directly
2713 (compute_hash_table): Update comments to reflect reality. Remove
2714 mem_*set_* references.
2715 (reset_opr_set_tables): Remove mem_*set_* references.
2717 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2718 (mark_clobber): Ditto (on both parts, we double set here too).
2719 (expr_killed_p): Remove mem_set_in_block test.
2720 (compute_transp): Remove mem_set_in_block test.
2722 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2723 of edge, and removal of phi alternative to dump file.
2724 (ssa_ccp_substitute_constants): Add note about register now being
2725 constant, and which uses were replaced in what insns to dump file.
2727 2001-07-16 Andreas Jaeger <aj@suse.de>
2729 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2730 variables of type HOST_WIDEST_INT.
2732 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2733 (__bb_exit_func): Correct type of count_max to avoid overflow.
2734 (num_digits): Handle long long argument.
2736 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2738 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2740 * output.h (sdb_begin_function_line): Restore as an extern
2742 * sdbout.c (sdb_begin_function_line): Make extern.
2744 2001-07-15 Richard Henderson <rth@redhat.com>
2746 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2747 * genrecog.c (maybe_both_true_mode): New.
2748 (maybe_both_true_2): Use it.
2749 (write_switch): Don't put Pmode in a switch.
2750 * rtl.c (mode arrays): Don't explicitly size them.
2752 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2754 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2755 handling; move unconditional splitting before mode switching.
2757 * i386.md (type): Add fistp type.
2758 (i387, length_attr, scheduling definitions): Handle this type.
2759 (fix_trunc?f?i2): Revamp to use mode switching.
2760 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2761 * i386.h (fp_cw_mode): New enum
2762 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2763 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2765 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2767 * Makefile.in (integrate.o): Add debug.h.
2768 * integrate.c (debug.h): Add.
2769 (output_inline_function): Save, reset, and restore debug_hooks.
2771 2001-07-15 Richard Henderson <rth@redhat.com>
2773 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2774 instead of COMPARE for the EQUIV expression.
2776 2001-07-15 Richard Henderson <rth@redhat.com>
2778 * flow.c (redirect_edge_and_branch_force): Initialize
2779 global_live_at_start and global_live_at_end.
2780 (allocate_bb_life_data): Export.
2781 * basic-block.h (allocate_bb_life_data): Declare.
2782 * toplev.c (rest_of_compilation): Call it.
2784 2001-07-15 Richard Henderson <rth@redhat.com>
2786 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2787 (alpha_tablejump_best_label): New.
2788 * config/alpha/alpha-protos.h: Declare them.
2789 * config/alpha/alpha.md: Use braced strings for code blocks.
2790 (tablejump_osf): Break out add with r29.
2791 (tablejump_osf_internal): Remove.
2792 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2793 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2795 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2797 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2800 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2802 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2803 (ix86_fp_jump_nontrivial_p): New.
2804 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2805 use ix86_fp_jump_nontrivial_p.
2806 * i386.c (ix86_fp_jump_nontrivial_p): New.
2807 (ix86_split_fp_branch): Accept code instead of rtx.
2808 (ix86_expand_compare): Expand comparison early in case
2809 doing so is resonably cheap.
2811 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2813 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2815 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2816 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2818 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2820 * dbxout.c (dbxout_source_line): Make static, update prototype.
2821 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2822 (dbxout_init, dbxout_finish, dbxout_source_line,
2823 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2824 * dbxout.h (dbxout_source_line): Delete.
2825 * debug.c (debug_nothing_file, debug_nothing_file_int,
2826 debug_nothing_file_charstar_rtx): New.
2827 (do_nothing_debug_hooks): Update.
2828 (debug_nothing_void, debug_nothing_charstar_rtx,
2829 dwarf2out_end_epilogue): New.
2830 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2831 * debug.h (struct rtx_def): Declare.
2832 (gcc_debug_hooks): New hooks source_line, end_epilogue
2834 (debug_nothing_void, debug_nothing_charstar_rtx,
2835 dwarf2out_end_epilogue): New.
2836 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2837 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2838 (dwarf2_debug_hooks): Update.
2839 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2840 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2841 * dwarf2out.h (dwarf2out_source_line): Remove.
2842 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2843 Make static, update prototype.
2844 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2845 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2846 (dwarf_debug_hooks): Update.
2847 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2848 dwarfout_end_function): Remove.
2849 * final.c (profile_function): Use debug hooks for ending functions
2851 (output_source_line, final_end_function): Update prototype,
2853 (final_start_function, final_scan_insn): Update.
2854 * output.h (sdb_begin_function_line): Remove.
2855 (final_end_function): Update prototype.
2856 * sdbout.c (sdb_begin_function_line): Make static.
2857 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2858 (sdbout_source_line): New.
2859 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2861 (sdb_debug_hooks): Update.
2862 (sdbout_init, sdbout_source_line,
2863 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2864 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2865 * toplev.c (compile_file, rest_of_compilation): Update.
2866 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2867 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2868 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2869 Update for prototype changes.
2870 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2871 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2873 2001-07-15 Richard Henderson <rth@redhat.com>
2875 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2876 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2877 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2878 * config/alpha/alpha.c: Likewise.
2879 * config/alpha/alpha.md: Likewise.
2880 * config/alpha/alpha32.h: Likewise.
2881 * config/alpha/vms.h: Likewise.
2884 2001-07-14 Richard Henderson <rth@redhat.com>
2886 * config/alpha/alpha.md: Use define_constants for unspec values.
2887 Substitute throughout.
2889 2001-07-14 Tim Josling <tej@melbpc.org.au>
2891 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2893 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2895 * pa.md: Remove unused constraints from define_split's.
2897 2001-04-14 Richard Henderson <rth@redhat.com>
2899 * ifcvt.c (find_cond_trap): Test for exit block.
2901 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2903 Re-install recently reverted patch.
2904 * emit-rtl.c (try_split): Update mark_jump_label call.
2905 * flow.c (find_sub_basic_blocks): Likewise.
2906 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2908 (mark_all_labels): Kill second parameter.
2909 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2910 (rebuild_jump_labels, jump_optimize_minimal): Update call
2912 (jump_optimize_1): Kill crossjumping code.
2913 (mark_jump_label): Kill cross_jump parameter.
2914 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2915 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2916 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2918 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2920 (dump_file_info): Likewise.
2921 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2922 reorganize passes to do reg-stack first, bb-reorder second.
2923 * invoke.texi (-d letters doc): Remove the jump2 pass.
2925 2001-07-14 Richard Henderson <rth@redhat.com>
2927 * ifcvt.c (find_cond_trap): New.
2928 (find_if_header): Call it.
2929 (merge_if_block): Relax existing jump sanity check.
2930 * jump.c (jump_optimize_1): Remove conditional trap handling.
2932 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2934 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2936 (insn_refs_are_delayed): Correct comment.
2937 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2938 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2939 instead of r31. Make associated insn !TARGET_64BIT, and
2940 provide an additional 64-bit insn that clobbers r2.
2942 (udivsi3): Likewise.
2944 (umodsi3): Likewise.
2946 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2948 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2950 * flow.c (redirect_edge_and_branch_force, split_edge,
2951 try_crossjump_to_edge): Use set_block_for_new_insns.
2952 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2954 2001-07-13 H.J. Lu (hjl@gnu.org)
2956 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2959 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2961 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2963 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2965 * c-common.c (decl_attributes): Take a pointer to the node to
2966 which attributes are to be attached, and a flags argument.
2967 * c-common.h (enum attribute_flags): New.
2968 (decl_attributes): Update prototype.
2969 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2970 finish_enum, start_function): Update calls to decl_attributes.
2971 * c-parse.in (component_declarator, component_notype_declarator,
2972 label): Update calls to decl_attributes.
2974 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2976 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2977 * config/avr/avr.c (legitimate_address_p): Return value changed
2978 from letter to register classes. For better debugging.
2980 2001-07-13 Kazu Hirata <kazu@hxi.com>
2982 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2984 2001-07-13 H.J. Lu (hjl@gnu.org)
2986 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2988 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2990 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2991 correctly for shared configurations.
2992 * config/t-libgcc-pic: New.
2993 * config/{i386,m68k,sparc}/t-openbsd: New.
2994 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2995 Support -shared. Support debugging libraries with -g.
2996 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2997 frame information does not emit pointer diffs.
2998 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3001 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3003 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3005 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3007 * combine.c (try_combine): Ensure const_int pow2 is positive.
3009 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3011 * config.gcc: Add configuration for s/390.
3012 * config/s390/s390.c: New. Subroutines for code generation.
3013 * config/s390/s390.h: New. Definitions for s/390.
3014 * config/s390/s390-protos.h: New. Prototypes.
3015 * config/s390/linux.h: New. Definitions for linux for s/390.
3016 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3017 * config/s390/t-linux: New. Makefile fragment.
3018 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3019 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3021 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3023 * emit-rtl.c (try_split): Update mark_jump_label call.
3024 * flow.c (find_sub_basic_blocks): Likewise.
3025 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3027 (mark_all_labels): Kill second parameter.
3028 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3029 (rebuild_jump_labels, jump_optimize_minimal): Update call
3031 (jump_optimize_1): Kill crossjumping code.
3032 (mark_jump_label): Kill cross_jump parameter.
3033 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3034 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3035 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3037 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3039 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3040 reorganize passes to do reg-stack first, bb-reorder second.
3041 * invoke.texi (-d letters doc): Remove the jump2 pass.
3043 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3045 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3047 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3049 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3051 (verify_flow_info): Make diagnostics prettier.
3053 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3055 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3057 * flow.c (outgoing_edges_match): Return early if condition reversal
3060 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3062 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3063 (mips_move_2words): When splitting a move into two instructions,
3064 prefix the second address operand with '%D'.
3066 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3068 * Makefile.in (final.o): Depend on debug.h.
3069 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3070 (dbx_debug_hooks): Add new hooks.
3071 (xcoff_debug_hooks): New.
3072 * debug.c (debug_nothing_file_int_int): New.
3073 (do_nothing_debug_hooks): Update.
3074 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3075 (debug_nothing_file_int_int): New.
3076 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3077 static, update prototype.
3078 (dwarf2_debug_hooks): Update.
3079 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3080 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3081 static, update prototype.
3082 (dwarf_debug_hooks): Update.
3083 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3084 * final.c: Include debug.h.
3085 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3086 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3087 static, update prototype.
3088 (sdb_debug_hooks): Update.
3089 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3090 * toplev.c: Distinguish between xcoff and dbx.
3092 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3093 Call all debug hooks, not just dwarf ones.
3095 2001-07-11 Timothy Wall <twall@redhat.com>
3097 * config.gcc: Add configuration for AIX5/IA64.
3098 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3099 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3100 support prefix/suffix code.
3101 * config/ia64/t-aix: New. Makefile fragment.
3102 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3104 2001-07-11 Kazu Hirata <kazu@hxi.com>
3106 * recog.c (validate_change): Fix a comment typo.
3108 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3110 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3111 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3113 * dbxout.c (dbx_debug_hooks): Add new hooks.
3114 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3116 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3118 * dbxout.h (dbxout_start_new_source_file,
3119 dbxout_resume_previous_source_file): Delete.
3120 * debug.c (do_nothing_debug_hooks): Add new hooks.
3121 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3122 (debug_nothing_int_charstar, debug_nothing_int): New.
3123 * debug.h (gcc_debug_hooks): New hooks define, undef,
3124 start_source_file and end_source_file.
3125 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3126 (debug_nothing_int_charstar, debug_nothing_int): New.
3127 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3128 the conditionally compiled section.
3129 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3130 dwarf2out_define, dwarf2out_undef): Make static.
3131 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3132 dwarf2out_define, dwarf2out_undef): Remove.
3133 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3134 (dwarfout_start_source_file, dwarfout_end_source_file,
3135 dwarfout_define, dwarfout_undef): Make static.
3136 (dwarfout_start_source_file_check,
3137 dwarfout_end_source_file_check): New.
3138 (dwarfout_define, dwarfout_finish): Update.
3139 * dwarfout.h (dwarfout_start_new_source_file,
3140 dwarfout_resume_previous_source_file, dwarfout_define,
3141 dwarfout_undef): Remove.
3142 * sdbout.c (sdb_debug_hooks): Add new hooks.
3143 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3145 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3146 make static, take an arg.
3147 * sdbout.h (sdbout_start_new_source_file,
3148 sdbout_resume_previous_source_file): Delete.
3149 * toplev.c (debug_start_source_file, debug_end_source_file,
3150 debug_define, debug_undef): Delete.
3151 * toplev.h (debug_start_source_file, debug_end_source_file,
3152 debug_define, debug_undef): Delete.
3154 * java/jcf-parse.c: Include debug.h.
3155 (parse_class_file): Update to use debug hooks directly.
3156 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3158 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3160 * alias.c (set_mem_alias_set): New function.
3161 * rtl.h (set_mem_alias_set): Declare it.
3162 * builtins.c (expand_builtin_return_addr): Call it instead of
3163 using MEM_ALIAS_SET accessor.
3164 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3165 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3166 (expand_builtin_va_copy):Likewise.
3167 * caller-save.c (setup_save_areas): Likewise.
3168 * calls.c (compute_argument_addresses): Likewise.
3169 * explow.c (set_mem_attributes): Likewise.
3170 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3171 (expand_assignment, store_constructor_field, store_field): Likewise.
3172 (expand_expr_unaligned): Likewise.
3173 * function.c (assign_stack_temp_for_type): Likewise.
3174 (put_reg_into_stack, gen_mem_addressof): Likewise.
3175 * ifcvt.c (noce_try_cmove_arith): Likewise.
3176 * reload1.c (reload, alter_reg): Likewise.
3177 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3178 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3179 (alpha_expand_unaligned_store): Likewise
3180 (alpha_expand_unaligned_load_words): Likewise.
3181 (alpha_expand_unaligned_store_words): Likewise.
3182 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3183 (alpha_expand_epilogue): Likewise.
3184 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3185 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3186 * config/i386/i386.c (legitimize_pic_address): Likewise.
3187 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3188 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3189 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3190 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3191 * config/mips/mips.c (mips_va_arg): Likewise.
3192 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3193 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3194 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3195 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3196 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3197 (rs6000_emit_epilogue): Likewise.
3198 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3199 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3200 * config/v850/v850.c (v850_va_arg): Likewise.
3202 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3204 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3205 when fallthru edge is present.
3206 (mege_blocks): Handle case where creation of jump insn
3209 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3210 CLEANUP_POST_REGSTACK): New constants.
3211 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3212 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3213 * output.h (cleanup_cfg): Update prototype.
3214 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3215 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3216 cleanup_cfg call; kill missleading comment.
3217 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3218 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3219 parameter; control optimizations performed using it.
3220 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3221 try_crossjump_bb): New functions.
3223 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3225 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3227 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3228 pa_output_function_prologue.
3229 * pa-protos.h (pa_output_function_prologue): New prototype.
3231 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3233 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3234 and low to get correct sign extension in low+high test.
3236 2001-07-11 Janis Johnson <janis@us.ibm.com>
3238 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3239 for large hit count.
3241 * profile.c (branch_prob): Fix .bbg info for computed gotos
3244 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3246 * stmt.c (parse_output_constraint): New function, split out
3248 (expand_asm_operands): ... here. Use parse_output_constraint.
3249 * tree.h (parse_output_constraint): Declare it.
3251 2001-07-11 Richard Henderson <rth@redhat.com>
3253 * bitmap.c: Comment some functions; fiddle whitespace.
3254 (bitmap_free): Don't export.
3255 (bitmap_element_allocate): Use memset.
3256 * bitmap.h (bitmap_free): Don't declare.
3258 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3260 * gcse.c, lcm.c, sched-deps.c:
3261 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3263 * flow.c (flow_loops_find): Free dom if we found no loops, since
3264 we aren't going to save it.
3266 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3269 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3271 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3273 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3275 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3276 #ifndef DWARF2_DEBUGGING_INFO.
3278 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3280 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3282 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3284 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3285 reverse a branch if a NE comparison is implemented with GTU.
3287 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3288 H.J. Lu <hjl@gnu.org>
3290 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3292 (call_internal2): Likewise.
3293 (call_value_internal1): Likewise.
3294 (call_value_internal2): Likewise.
3295 (call_value_multiple_internal1): Likewise.
3296 (call_value_multiple_internal2): Likewise.
3298 2001-07-10 Kazu Hirata <kazu@hxi.com>
3300 * calls.c (emit_library_call_value_1): Fix a comment typo.
3301 * dwarf2out.c (mem_loc_descriptor): Likewise.
3302 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3304 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3306 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3308 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3310 * recog.c (offsettable_address_p): Handle LO_SUM case.
3311 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3312 instead of plus_constant.
3314 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3316 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3317 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3319 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3321 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3322 adjust_address_nv instead of plus_constant.
3324 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3326 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3327 dwarf2out.o): Depend on debug.h, wrap long lines.
3328 * dbxout.c: Include debug.h.
3329 (dbx_debug_hooks): New.
3330 (dbxout_init): Make static, take just 2 args.
3331 (dbxout_finish): Make static.
3332 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3333 * debug.c: New file.
3334 * debug.h: New file.
3335 * dwarf2out.c: Include debug.h.
3336 (dwarf2_debug_hooks): New.
3337 (dwarf2out_init): Make static.
3338 (dwarf2out_finish): Make static, take 2 args.
3339 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3340 * dwarfout.c: Include debug.h.
3341 (dwarf_debug_hooks): New.
3342 (dwarfout_init): Make static.
3343 (dwarfout_finish): Make static, take 2 args.
3344 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3345 * sdbout.c: Include debug.h.
3346 (sdb_debug_hooks): New.
3347 (sdbout_init): Make static, take 2 args.
3348 * sdbout.h (sdbout_init): Delete.
3349 * toplev.c: Include debug.h.
3351 (compile_file): Set deubg_hooks based on command line options.
3352 Use the hooks unconditionally rather than conditional compilation.
3354 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3356 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3357 first_insn_after_basic_block_note instead.
3359 * df.c (df_bb_refs_unlink): #if 0 out for now.
3361 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3363 * ssa.h: Add prototype for ssa_const_prop
3364 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3365 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3366 (ssa_fast_dce): Remove unused variable
3368 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3370 * diagnostic.c (finish_diagnostic): Rename to
3371 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3374 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3376 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3379 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3380 (dump_file): Only pad the demangled name with spaces if the
3381 mangled name was padded with spaces.
3383 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3385 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3388 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3390 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3391 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3394 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3395 whether can put offset inside LO_SUM to check mode alignment, not size.
3397 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3399 * doc/tm.texi (Misc): Fix thinko.
3401 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3403 * regmove.c (replace_in_call_usage): Fix warnings.
3404 * sched-deps.c (add_dependence): Fix warnings.
3405 * simplify-rtx.c (simplify_subreg): Likewise.
3406 Return NULL_RTX instead of NULL.
3408 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3409 (subst_asm_stack_regs): Likewise.
3411 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3414 * dwarf2out.c (output_call_frame_info): Declare i as int.
3415 (build_abbrev_table): Declare n_alloc as int.
3416 (dwarf2out_finish): Initialize die.
3417 * except.c: Declare sjlj_funcdef_number as unsigned.
3418 (connect_post_landing_pads): Declare j as unsigned.
3419 (convert_to_eh_region_ranges): Initialize call_site.
3420 (output_function_exception_table): Initialize tt_format_size.
3421 * expr.c (move_by_pieces_1): Initialize to1.
3422 (store_constructor): Initialize minelt and maxelt.
3423 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3424 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3426 * c-decl.c (combine_parm_decls): Unused, remove.
3427 * c-tree.h: Remove prototype for combine_parm_decls.
3429 * reload.c (push_reload): Fix warning.
3430 (regno_clobbered_p): Likewise.
3431 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3432 (reload_combine): Likewise.
3434 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3435 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3437 * bitmap.c (bitmap_operation): Change user.
3438 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3440 2001-07-10 Eric Christopher <echristo@redhat.com>
3442 * config/mips/mips.c (override_options): Fix typo.
3444 2001-07-09 Stan Shebs <shebs@apple.com>
3446 * target.h (struct gcc_target): New fields init_builtins and
3448 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3449 (TARGET_EXPAND_BUILTIN): New macro.
3450 (TARGET_INITIALIZER): Add them.
3451 * builtins.c: Include target.h.
3452 (expand_builtin): Use targetm.expand_builtin.
3453 (default_init_builtins): New function.
3454 (default_expand_builtin): New function.
3455 * expr.h (default_init_builtins): Declare.
3456 (default_expand_builtin): Declare.
3457 * c-common.c (c_common_nodes_and_builtins): Use
3458 targetm.init_builtins.
3459 * defaults.h (MD_INIT_BUILTINS): Remove.
3460 * Makefile.in (builtins.o): Depend on target.h.
3462 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3463 (TARGET_EXPAND_BUILTIN): Define.
3464 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3465 (MD_EXPAND_BUILTIN): Remove.
3467 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3468 (TARGET_EXPAND_BUILTIN): Define.
3469 (c4x_init_builtins): Make endlink arg a local.
3470 (c4x_print_operand): Fix typos in adjust_address usages.
3471 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3472 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3473 (MD_EXPAND_BUILTIN): Remove.
3475 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3476 (TARGET_EXPAND_BUILTIN): Define.
3477 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3478 (ix86_init_builtins): Call new function only if TARGET_MMX.
3479 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3480 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3481 (MD_EXPAND_BUILTIN): Remove.
3483 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3484 (TARGET_EXPAND_BUILTIN): Define.
3485 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3486 (MD_EXPAND_BUILTIN): Remove.
3488 * doc/tm.texi: Document these changes.
3490 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3492 * basic-block.h (tree_node): Forward declare if needed.
3493 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3494 (BLOCK_HEAD_TREE): Define.
3495 (BLOCK_END_TREE): Define.
3496 (struct loops): Rename field 'tree' to 'tree_root'.
3497 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3499 (flow_loops_tree_build): Rename reference to field 'tree' to
3501 (flow_loops_level_compute): Ditto.
3502 * predict.c (estimate_bb_frequencies): Ditto.
3503 * tree.h (struct tree_common): Add field 'aux'.
3505 2001-07-09 Stan Shebs <shebs@apple.com>
3507 * config/darwin.c (darwin_encode_section_info): Don't mark any
3508 DECL_EXTERNAL node as defined.
3510 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3512 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3513 pa_free_machine_status, hppa_init_pic_save): Delete.
3514 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3515 (hppa_profile_hook): Use hppa_pic_save_rtx.
3516 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3517 hppa_init_pic_save): Delete.
3518 (hppa_pic_save_rtx): Declare.
3519 * pa.md (call, call_value, sibcall, sibcall_value,
3520 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3522 2001-07-09 Kazu Hirata <kazu@hxi.com>
3524 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3525 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3527 2001-07-09 Andreas Jaeger <aj@suse.de>
3529 * output.h: Add declaration of final_forward_branch_p.
3531 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3533 * varray.c: Include errors.h for internal_error and trim_filename
3536 * Makefile.in (varray.o): Add errors.h.
3538 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3540 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3541 * optabs.c (have_add2_insn): Check whether the add insn chosen
3542 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3543 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3545 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3547 * Makefile.in (OBJS): Add ssa-ccp.o
3548 (ssa-ccp.o): Add dependencies.
3549 * toplev.c (DFI_ssa_ccp): New dump file enum.
3550 (dump_file): Add entry for dumping after SSA CCP.
3551 (flag_ssa_ccp): New flag variable.
3552 (f_options): Add -fssa-ccp.
3553 (rest_of_compilation): Run SSA CCP if requested.
3554 * timevar.def (TV_SSA_CCP): New timevar.
3555 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3556 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3557 Fix minor typo in SSA DCE documentation.
3558 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3559 Add documentation for new dump option. Renumber dump files
3562 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3564 * emit-rtl.c (gen_highpart_mode): New.
3565 * rtl.h (gen_highpart_mode): Declare.
3566 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3567 operand can be VOIDmode constant.
3569 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3571 * flow.c (redirect_edge_and_branch_force): New.
3572 (can_fallthru): Ensure that basic blocks are succeeding.
3573 (try_optimize_cfg): Do not delete basic block if it is the last one.
3575 * flow.c (try_redirect_by_replacing_jump): Do not remove
3576 jumps with side effects, unlink chain on fallthru edge;
3577 set block for new jump instruction; avoid basic block to
3578 over by line number note.
3580 * flow.c (try_simplify_condjump): Verify that the condjump
3581 is not always falling trought.
3584 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3586 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3587 (try_redirect_by_replacing_jump): Update properly the count
3588 and frequency information.
3590 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3592 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3593 address that is a LO_SUM specially.
3594 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3596 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3598 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3599 (operand_subword): Use them.
3600 (change_address_1): Renamed from change_address; new arg VALIDATE.
3601 * expr.h: Reflect above changes; change_address now macro.
3602 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3604 * cselib.c (add_mem_for_addr): Likewise.
3605 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3606 * regmove.c (try_apply_stack_adjustment): Likewise.
3607 * reload.c (push_reload, make_memloc): Likewise.
3608 * reload1.c (eliminate_regs): Likewise.
3609 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3610 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3612 * combine.c (make_extraction, simplify_shift_const): Likewise.
3613 (gen_lowpart_for_combine): Likewise.
3614 * cse.c (gen_lowpart_if_possible): Likewise.
3615 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3616 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3617 * optabs.c (gen_move_insn): Likewise.
3618 * reload1.c (alter_reg): Likewise.
3619 * simplify-rtx.c (simplify_subreg): Likewise.
3620 * stmt.c (expand_anon_union_decl): Likewise.
3621 * recog.c (validate_replace_rtx_1): Likewise.
3623 * Makefile.in (recog.o): Add $(EXPR_H).
3624 * explow.c (stabilize): Call replace_equiv_address.
3625 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3626 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3628 2001-07-03 Andrew Haley <aph@redhat.com>
3630 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3631 the mode of the memory location.
3633 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3635 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3637 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3639 * final.c (output_addr_const): Use target opening and
3640 closing parentheses.
3641 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3642 defaults, add to TARGET_ASM_OUT.
3643 * target.h (struct gcc_target): Add open_paren and close_paren.
3644 * doc/md.texi: Update.
3645 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3646 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3647 TARGET_ASM_CLOSE_PAREN.
3648 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3650 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3652 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3653 * config/a29k/a29k.h: Similarly.
3654 * config/alpha/alpha.h: Similarly.
3655 * config/arc/arc.h: Similarly.
3656 * config/arm/aof.h: Similarly.
3657 * config/arm/aout.h: Similarly.
3658 * config/avr/avr.h: Similarly.
3659 * config/c4x/c4x.h: Similarly.
3660 * config/clipper/clipper.h: Similarly.
3661 * config/convex/convex.h: Similarly.
3662 * config/d30v/d30v.h: Similarly.
3663 * config/dsp16xx/dsp16xx.h: Similarly.
3664 * config/elxsi/elxsi.h: Similarly.
3665 * config/fr30/fr30.h: Similarly.
3666 * config/h8300/h8300.h: Similarly.
3667 * config/i370/i370.h: Similarly.
3668 * config/i386/i386.h: Similarly.
3669 * config/i860/i860.h: Similarly.
3670 * config/i960/i960.h: Similarly.
3671 * config/ia64/ia64.h: Similarly.
3672 * config/m32r/m32r.h: Similarly.
3673 * config/m68hc11/m68hc11.h: Similarly.
3674 * config/m68k/m68k.h: Similarly.
3675 * config/m88k/m88k.h: Similarly.
3676 * config/mcore/mcore.h: Similarly.
3677 * config/mips/mips.h: Similarly.
3678 * config/mn10200/mn10200.h: Similarly.
3679 * config/mn10300/mn10300.h: Similarly.
3680 * config/ns32k/ns32k.h: Similarly.
3681 * config/pa/pa.h: Similarly.
3682 * config/pdp11/pdp11.h: Similarly.
3683 * config/pj/pj.h: Similarly.
3684 * config/romp/romp.h: Similarly.
3685 * config/rs6000/rs6000.h: Similarly.
3686 * config/sh/sh.h: Similarly.
3687 * config/sparc/sparc.h: Similarly.
3688 * config/v850/v850.h: Similarly.
3689 * config/vax/vax.h: Similarly.
3690 * config/we32k/we32k.h: Similarly.
3692 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3694 * doc/c-tree.texi: Document representation of attributes.
3696 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3698 * doc/tm.texi: Update some places for the rename of target to
3701 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3703 * target.h (struct gcc_target): Add insert_attributes.
3704 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3705 (TARGET_INITIALIZER): Update.
3706 * tree.c, tree.h (default_insert_attributes): New function.
3707 Update comments on other default functions to refer to targetm,
3709 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3710 TARGET_INSERT_ATTRIBUTES.
3711 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3712 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3713 Don't use PRAGMA_INSERT_ATTRIBUTES.
3714 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3715 * c-decl.c (start_decl, start_function): Don't call
3716 SET_DEFAULT_DECL_ATTRIBUTES.
3717 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3718 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3720 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3721 (c4x_check_attribute): Avoid modifying attribute list itself.
3722 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3724 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3725 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3727 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3728 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3730 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3731 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3733 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3734 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3735 Adjust parameters. Make static.
3737 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3739 * c-common.c (decl_attributes): Only take a single attributes
3741 * c-common.h (decl_attributes): Update prototype.
3742 * c-decl.c (start_decl, start_function): Only take a single
3743 attributes parameter. Update calls to decl_attributes.
3744 (finish_struct, finish_enum): Update calls to decl_attributes.
3745 (push_parm_decl): Expect unified list of attributes. Update call
3747 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3748 notype_nested_function, component_declarator,
3749 component_notype_declarator, label): Update calls to
3751 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3752 lists that are passed to push_parm_decl.
3753 * c-tree.h (start_function, start_decl): Update prototypes.
3754 * config/sh/sh-protos.h, config/sh/sh.c
3755 (sh_pragma_insert_attributes): Only take a single attributes
3757 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3758 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3759 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3760 build_module_descriptor, generate_static_references,
3761 generate_strings, build_selector_translation_table,
3762 generate_descriptor_table, generate_protocols,
3763 generate_ivars_list, generate_dispatch_table,
3764 generate_protocol_list, generate_category,
3765 generate_shared_structures, really_start_method, add_objc_decls,
3766 generate_classref_translation_entry): Update calls to start_decl
3768 (build_tmp_function_decl, start_method_def): Unify attribute lists
3769 that are passed to push_parm_decl.
3771 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3773 * final.c (no_asm_to_stream): New.
3774 (final_scan_insn): Use target structures for prologue ends
3775 and epilogue starts.
3776 * output.h (no_asm_to_stream): New.
3777 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3778 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3779 (TARGET_ASM_OUT): Update.
3780 * target.h (struct gcc_target): New members function_end_prologue
3781 and function_begin_epilogue.
3782 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3783 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3784 * config/alpha/alpha.c (output_end_prologue): Rename to
3785 alpha_output_function_end_prologue. Use in target struct
3787 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3788 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3789 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3790 ia64_output_function_end_prologue. Use in target struct
3792 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3793 mistyped prototypes.
3794 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3795 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3797 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3798 an use in target struct, make static.
3799 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3802 2001-07-08 Richard Henderson <rth@redhat.com>
3804 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3806 2001-07-08 Richard Henderson <rth@redhat.com>
3808 * config/i386/i386.md: Remove constraints strings from define_split
3809 and define_peephole2 patterns.
3810 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3811 (eh_return): Use them.
3813 2001-07-08 Richard Henderson <rth@redhat.com>
3815 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3816 Document MD_FALLBACK_FRAME_STATE_FOR.
3818 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3820 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3821 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3823 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3825 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3827 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3828 of the label inside NAME as opposed to just the end of NAME.
3830 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3832 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3833 * config/alpha/alpha.c (alpha_init_machine_status,
3834 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3835 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3836 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3837 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3839 2001-07-06 Stan Shebs <shebs@apple.com>
3841 * target.h (targetm): Rename global from "target", so as not to
3842 conflict with local variables.
3844 * c-typeck.c: Ditto.
3848 * cp/decl2.c: Ditto.
3849 * cp/typeck.c: Ditto.
3850 * 1750a/1750a.c: Ditto.
3851 * a29k/a29k.c: Ditto.
3855 * clipper/clipper.c: Ditto.
3856 * convex/convex.c: Ditto.
3857 * d30v/d30v.c: Ditto.
3858 * dsp16xx/dsp16xx.c: Ditto.
3859 * elxsi/elxsi.c: Ditto.
3860 * fr30/fr30.c: Ditto.
3861 * h8300/h8300.c: Ditto.
3862 * i370/i370.c: Ditto.
3863 * i386/i386.c: Ditto.
3864 * i860/i860.c: Ditto.
3865 * i960/i960.c: Ditto.
3866 * ia64/ia64.c: Ditto.
3867 * m32r/m32r.c: Ditto.
3868 * m68hc11/m68hc11.c: Ditto.
3869 * m68k/m68k.c: Ditto.
3870 * m88k/m88k.c: Ditto.
3871 * mips/mips.c: Ditto.
3872 * ns32k/ns32k.c: Ditto.
3874 * pdp11/pdp11.c: Ditto.
3875 * romp/romp.c: Ditto.
3876 * rs6000/rs6000.c: Ditto.
3878 * sparc/sparc.c: Ditto.
3880 * we32k/we32k.c: Ditto.
3881 * doc/tm.texi: Update the manual to match.
3883 2001-07-06 Richard Henderson <rth@redhat.com>
3885 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3886 DWARF2_UNWIND_INFO not just whether it is defined.
3888 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3890 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3891 call to simplify_binary_operation returns a new pattern.
3893 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3895 * glimits.h (__SHRT_MAX__): New.
3896 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3897 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3899 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3901 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3904 2001-07-06 Richard Henderson <rth@redhat.com>
3906 * bitmap.c (bitmap_release_memory): Move adjacent to the
3907 allocation functions.
3908 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3909 the implementation. Binary search for the set bit.
3910 (bitmap_union_of_diff): Allocate the temporary on the stack
3911 instead of using xmalloc.
3913 2001-07-06 Richard Henderson <rth@redhat.com>
3915 * genrecog.c (validate_pattern): Warn for constraints in
3916 define_{expand,split,peephole2}. Remove strict_low_part
3917 before looking up match_dup.
3919 2001-07-06 DJ Delorie <dj@redhat.com>
3921 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3922 chapter about various build hints and history. Add section
3923 talking about the various types of native and cross builds.
3925 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3927 * Makefile.in (final.o): Depend on target.h.
3928 * final.c: Include target.h.
3929 (default_function_pro_epilogue): New.
3930 (final_start_function): Use target structure for function prologues.
3931 (final_end_function): Use target structure for function epilogues.
3932 * fold-const.c (real_hex_to_f): Constify s and p.
3933 * output.h (default_function_pro_epilogue): New.
3934 * real.h (real_hex_to_f): Update prototype.
3935 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3936 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3937 (TARGET_INITIALIZER): Update.
3938 * target.h (gcc_target): Add struct asm_out.
3939 * doc/tm.texi: Update.
3942 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3943 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3944 in cpu/cpu.c, or rename old functions consistently. Take
3945 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3946 redundant macros and prototypes. Make new functions static.
3948 * 1750a/1750a.c: Similarly.
3949 * 1750a/1750a.h: Similarly.
3950 * a29k/a29k-protos.h: Similarly.
3951 * a29k/a29k.c: Similarly.
3952 * a29k/a29k.h: Similarly.
3953 * arc/arc-protos.h: Similarly.
3954 * arc/arc.c: Similarly.
3955 * arc/arc.h: Similarly.
3956 * arm/arm-protos.h: Similarly.
3957 * arm/arm.c: Similarly.
3958 * arm/arm.h: Similarly.
3959 * avr/avr-protos.h: Similarly.
3960 * avr/avr.c: Similarly.
3961 * avr/avr.h: Similarly.
3962 * clipper/clipper-protos.h: Similarly.
3963 * clipper/clipper.c: Similarly.
3964 * clipper/clipper.h: Similarly.
3965 * convex/convex.c: Similarly.
3966 * convex/convex.h: Similarly.
3967 * d30v/d30v-protos.h: Similarly.
3968 * d30v/d30v.c: Similarly.
3969 * d30v/d30v.h: Similarly.
3970 * d30v/d30v.md: Similarly.
3971 * dsp16xx/dsp16xx-protos.h: Similarly.
3972 * dsp16xx/dsp16xx.c: Similarly.
3973 * dsp16xx/dsp16xx.h: Similarly.
3974 * elxsi/elxsi.c: Similarly.
3975 * elxsi/elxsi.h: Similarly.
3976 * fr30/fr30.c: Similarly.
3977 * fr30/fr30.md: Similarly.
3978 * h8300/h8300-protos.h: Similarly.
3979 * h8300/h8300.c: Similarly.
3980 * h8300/h8300.h: Similarly.
3981 * i370/i370-protos.h: Similarly.
3982 * i370/i370.c: Similarly.
3983 * i370/i370.h: Similarly.
3984 * i386/i386.c: Similarly.
3985 * i386/osf1elf.h: Similarly.
3986 * i386/osfrose.h: Similarly.
3987 * i860/i860-protos.h: Similarly.
3988 * i860/i860.c: Similarly.
3989 * i860/i860.h: Similarly.
3990 * i960/i960-protos.h: Similarly.
3991 * i960/i960.c: Similarly.
3992 * i960/i960.h: Similarly.
3993 * ia64/ia64-protos.h: Similarly.
3994 * ia64/ia64.c: Similarly.
3995 * ia64/ia64.h: Similarly.
3996 * m32r/m32r-protos.h: Similarly.
3997 * m32r/m32r.c: Similarly.
3998 * m32r/m32r.h: Similarly.
3999 * m68hc11/m68hc11-protos.h: Similarly.
4000 * m68hc11/m68hc11.c: Similarly.
4001 * m68hc11/m68hc11.h: Similarly.
4002 * m68k/crds.h: Similarly.
4003 * m68k/dpx2.h: Similarly.
4004 * m68k/m68k-protos.h: Similarly.
4005 * m68k/m68k.c: Similarly.
4006 * m68k/m68k.h: Similarly.
4007 * m68k/news.h: Similarly.
4008 * m88k/m88k-protos.h: Similarly.
4009 * m88k/m88k.c: Similarly.
4010 * m88k/m88k.h: Similarly.
4011 * mips/mips-protos.h: Similarly.
4012 * mips/mips.c: Similarly.
4013 * mips/mips.h: Similarly.
4014 * ns32k/merlin.h: Similarly.
4015 * ns32k/ns32k.c: Similarly.
4016 * ns32k/ns32k.h: Similarly.
4017 * ns32k/tek6000.h: Similarly.
4018 * pa/pa-protos.h: Similarly.
4019 * pa/pa.c: Similarly.
4020 * pa/pa.h: Similarly.
4021 * pdp11/2bsd.h: Similarly.
4022 * pdp11/pdp11-protos.h: Similarly.
4023 * pdp11/pdp11.c: Similarly.
4024 * pdp11/pdp11.h: Similarly.
4025 * romp/romp-protos.h: Similarly.
4026 * romp/romp.c: Similarly.
4027 * romp/romp.h: Similarly.
4028 * rs6000/rs6000-protos.h: Similarly.
4029 * rs6000/rs6000.c: Similarly.
4030 * rs6000/rs6000.h: Similarly.
4031 * rs6000/sysv4.h: Similarly.
4032 * sh/sh-protos.h: Similarly.
4033 * sh/sh.c: Similarly.
4034 * sh/sh.h: Similarly.
4035 * sparc/sparc-protos.h: Similarly.
4036 * sparc/sparc.c: Similarly.
4037 * sparc/sparc.h: Similarly.
4038 * vax/vax.c: Similarly.
4039 * vax/vax.h: Similarly.
4040 * vax/vms.h: Similarly.
4041 * we32k/we32k.c: Similarly.
4042 * we32k/we32k.h: Similarly.
4044 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4046 * basic-block.h (first_insn_after_basic_block_note): Declare.
4047 * flow.c (first_insn_after_basic_block_note): Define. Moved
4049 * ssa.c (first_insn_after_basic_block_note): Remove.
4050 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4052 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4053 nodes when we find a dead conditional branch. Insert BARRIERs
4054 after any blocks with no successors, but which do not have
4057 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4059 * varray.c (varray_check_failed): Use internal_error.
4061 2001-07-05 Andrew Haley <aph@redhat.com>
4063 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4064 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4065 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4067 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4069 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4070 reference if the target constant is also a SYMBOL_REF.
4072 2001-07-05 Eric Christopher <echristo@redhat.com>
4074 * config/mips/mips.h (MASK_MIPS3900): Remove.
4075 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4076 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4077 (TARGET_MIPS3900): Change to use mips_arch.
4078 (TARGET_MIPS4000): New.
4079 (TARGET_MIPS4100): New.
4080 (TARGET_MIPS4300): New.
4081 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4082 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4084 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4085 (ISA_HAS_BRANCHLIKELY): To here.
4086 (CC1_CPU_SPEC): New.
4087 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4088 (mips_arch_string): Declare.
4089 (mips_arch): Declare.
4090 (TARGET_OPTIONS): Add -march and -mtune.
4092 * config/mips/mips.c (mips_arch_string): New.
4094 (override_options): Handle -march for codegen and -mtune
4095 for scheduling. Use mips_arch. Move tx39 target default here.
4096 (mips_parse_cpu): Move error message to override_options.
4098 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4100 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4102 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4103 (MIPS Options): Ditto. Change mcpu entry to historical text.
4105 2001-07-05 H.J. Lu (hjl@gnu.org)
4107 * config/mips/mips.c (mips_parse_cpu): New function to parse
4110 2001-07-05 Jim Wilson <wilson@redhat.com>
4112 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4113 * config/ia64/t-ia64: Likewise.
4114 (LIB1ASMFUNCS): Update comment.
4116 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4118 * doc/install.texi (Install GCC: Binaries): Fix typo.
4120 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4122 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4123 reference using the stack pointer, adjust it since we push Y
4125 ("*ashrsi3"): Likewise.
4126 ("*lshrsi3"): Likewise.
4128 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4130 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4131 when -fomit-frame-pointer is used.
4133 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4135 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4136 (try_redirect_by_replacing_jump): Reverse updating properly the
4137 count and frequency information. Reverse removing cc0 setter.
4138 (forwarder_block_p): Reverse fixing for fallthru blocks.
4140 2001-07-05 DJ Delorie <dj@redhat.com>
4142 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4143 (translate_options): If the above is defined, use it to map
4144 given options to new options.
4145 * doc/tm.texi: Document it.
4147 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4148 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4150 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4151 cause programs using computed gotos to run more slowly.
4153 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4155 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4157 Consistently require binutils 2.11.2, not prereleases.
4158 (Specific, decstation-*): Canonicalize as mips-dec-*.
4159 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4161 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4162 (Specific, mips-*): Reword MIPS C compiler requirements.
4163 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4164 (Specific, sunv5): Removed, obsolete.
4166 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4168 * dwarf2out.c (output_loc_list): Use an all ones mask for
4169 .text asm output and don't rely on long long
4170 literals. Reformat some long lines.
4172 2001-07-05 Andreas Jaeger <aj@suse.de>
4174 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4177 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4179 * dwarf2out.c (dwarf2out_define): Update comment.
4180 (dwarf2out_undef): Ditto.
4181 (dwarf2out_start_source_file): Ditto.
4182 (dwarf2out_end_source_file): Ditto.
4183 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4184 since we never call the start/end debug hook for the primary file.
4186 2001-07-04 Kazu Hirata <kazu@hxi.com>
4188 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4191 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4193 * cppinit.c (remove_dup_dirs): Inform if a system include
4194 directory is being reordered.
4195 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4197 * doc/cpp.texi (Search Paths): Likewise.
4198 * doc/gcc.texi (Interoperation): Remove information about
4201 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4203 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4204 (VARRAY_TOP_CHAR_PTR): Likewise.
4206 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4208 * gcc.c (process_command): Don't assign elements of a const char*.
4210 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4212 * emit-rtl.c (change_address): Don't abort if invalid address while
4213 reload is in progress.
4215 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4217 * c-lex.c (cb_file_change): Pass line number to
4218 debug_start_source_file.
4219 (cb_undefine): Pass correct line number to debug_undef.
4221 * toplev.c (debug_start_source_file): Add line number to
4222 parameters. Pass it along to dwarf2out_start_source_file.
4223 (decode_g_option): Stop resetting debug level back to normal when
4224 we change debug formats, unless the current level is
4225 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4228 * toplev.h (debug_start_source_file): Add line number to
4231 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4234 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4236 Output debug_macinfo data for starting file if requested.
4237 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4239 (dwarf2out_define): Output debug_macinfo data for defining a macro
4241 (dwarf2out_undef): Output debug_macinfo data for undefining a
4243 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4244 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4245 (macinfo_section_label): New. DWARF2 macro info section label.
4246 (dwarf2out_init): If we want macro info, output the start label
4248 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4249 attribute to the compilation unit die pointing to the macro info.
4251 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4253 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4254 DWARF2_DEBUGGING_INFO.
4255 (add_loc_descr_to_loc_list): Ditto.
4256 (output_loc_list): Ditto.
4257 Also, fix thinko in curr not being initialized.
4258 (gen_internal_sym): Ditto.
4260 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4262 * emit-rtl.c (replace_equiv_address): New function.
4263 * expr.h (replace_equiv_address): New declaration.
4264 * explow.c (validize_mem): Call it instead of change_address and
4265 also call if -fforce-addr and address is constant.
4266 * expr.c: Replace more calls to change_address with adjust_address
4267 and/or replace_equiv_address or to validize_mem.
4268 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4269 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4270 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4271 * config/i370/i370.md, config/i860/i860.md: Likewise.
4272 * config/i960/i960.md, config/mips/mips.c: Likewise.
4273 * config/mips/mips.md, config/pa/pa.md: Likewise.
4274 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4275 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4277 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4279 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4281 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4284 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4286 * doc/include: New directory.
4287 * doc/fdl.texi: Move to doc/include/fdl.texi.
4288 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4289 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4290 * doc/gcc.texi: Use funding.texi and gpl.texi.
4291 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4292 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4293 Update dependencies and use -I $(docdir)/include.
4295 2001-07-04 Anthony Green <green@redhat.com>
4297 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4299 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4301 * doc/install.texi (sparc64-*-*): Remove garbage.
4303 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4305 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4306 Fix typo in last change to use adjust_address.
4308 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4310 * doc/install.texi (Specific): Update information for *-*-solaris*.
4312 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4314 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4316 2001-07-03 Stan Shebs <shebs@apple.com>
4318 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4319 case for flag_no_mach_text_sections.
4320 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4321 * config/darwin.c (flag_no_mach_text_sections): Remove.
4322 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4324 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4326 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4327 and avoid checking for constant as first operand.
4328 * recog.c (find_constant_term_loc): No longer static.
4329 (adj_offettable_operand): Delete.
4330 * rtl.h (adj_offsettable_operand): Delete declaration.
4331 (find_constant_term): Add declaration.
4332 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4334 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4335 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4336 * config/i386/i386.c, config/i386/i386.md: Likewise.
4337 * config/i860/i860.c, config/i960/i960.c: Likewise.
4338 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4339 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4340 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4341 * config/mips/mips.c, config/mips/mips.md: Likewise.
4342 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4343 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4344 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4345 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4346 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4347 * config/ns32k/ns32k.md: Likewise.
4349 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4351 * rtl.c (copy_rtx): Handle 'T' format letter.
4352 * gensupport.c (collect_insn_data): Likewise.
4353 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4355 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4357 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4358 -B option. Use 'dir' not 'foo' as example directory name.
4360 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4362 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4363 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4365 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4367 * doc/cppinternals.texi: Improve formatting and logical markup.
4369 2001-07-03 Andreas Jaeger <aj@suse.de>
4371 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4373 * genrecog.c (write_header): Include reload.h for prototypes in
4376 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4379 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4380 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4381 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4382 i386_pe_valid_type_attribute_p): Add.
4383 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4384 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4386 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4388 * explow.c (plus_constant_wide, case LO_SUM): New case.
4389 (plus_constant_for_output_wide): Delete.
4390 * rtl.h (plus_constant_for_output): Delete.
4391 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4392 instead of plus_constant_for_output.
4393 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4394 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4395 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4396 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4397 * config/sparc/sparc.md: Likewise.
4398 Convert some change_address calls to adjust_address.
4400 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4402 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4403 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4404 documentation of -std and -Wwrite-strings.
4406 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4408 * cse.c (canon_hash): Don't register registers in very small
4409 register classes, as extending their lifetime might cause
4412 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4414 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4416 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4417 (try_redirect_by_replacing_jump): Update properly the count
4418 and frequency information.
4420 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4422 * toplev.c (dump_file_index): Move SSA dumps just after first
4424 (dump_file): Corresponding changes.
4425 (rest_of_compilation): Move SSA path to just after the first
4427 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4428 * doc/invoke.texi: Update dump file #s as they were completely
4429 out of date with reality.
4431 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4433 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4435 * expr.c (emit_move_insn_1): Deal with non-default
4438 * expr.c (emit_single_push_insn): Fix warning.
4440 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4442 * expr.c (emit_move_insn_1): Avoid modifying
4443 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4445 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4447 * emit-rtl.c (adjust_address): New function.
4448 * expr.h (adjust_address): Add declaration.
4449 * builtins.c: Replace some calls to change_address with calls to it
4451 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4452 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4453 * config/arm/arm.c, config/convex/convex.c: Likewise.
4454 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4455 * config/i386/i386.c, config/i386/i386.md: Likewise.
4456 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4457 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4458 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4459 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4460 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4462 2001-07-02 Jim Wilson <wilson@redhat.com>
4464 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4466 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4468 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4469 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4471 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4473 * cppinit.c (lang_defaults): New table.
4474 (set_lang): Just read from lang_defaults into the live options
4477 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4479 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4480 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4481 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4483 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4485 * doc/install.texi: Various spelling and markup fixes.
4486 (Installing GCC): Component specific installation instructions are
4489 Warn about removing old install dir in the presence of shared libs.
4490 (Configuration): Invoke with options target to match configure
4492 Consistently refer to gas, gld pathnames.
4493 Invert --enable-multilib documentation.
4494 Remove references to old compiler versions.
4496 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4498 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4500 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4502 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4504 (Specific, mips*-sgi-irix5): Note IDO download.
4505 Reworded MIPS C hints.
4506 Use GNU as instead of GAS.
4508 Removed SGI Freeware reference, IRIX 6 only.
4509 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4510 Note N64 library requirement/workaround.
4512 Complete list of structure passing bug victims.
4514 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4516 * doc/install.texi: Remove CVS Id.
4518 2001-07-02 Andreas Jaeger <aj@suse.de>
4520 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4521 (find_inherently_necessary): Remove unused variable.
4523 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4525 * c-common.h (TDI_inlined): New ast dump phase.
4526 (dump_flag_name): New function.
4527 * c-dump.c (dump_files): Add inlined phase.
4528 (dump_flag_name): Define.
4529 * doc/invoke.texi (-fdump-ast-inlined): Document.
4531 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4533 * stor-layout.c (layout_decl): Revert change to handling of alignment
4536 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4538 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4541 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4543 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4546 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4548 * tlink.c (recompile_files): Remove COMPILER_PATH and
4549 LIBRARY_PATH from the environment.
4551 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4553 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4554 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4556 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4558 * c-parse.in (OBJC_STRING): Kill.
4559 (objc_string): Decompose to [objc_string] '@' STRING.
4560 (reswords): Take the leading '@' off all the Objective C keywords.
4561 (objc_rid_sans_at): Kill.
4562 (init_reswords): Don't initialize it.
4563 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4564 (_yylex): Kill reconsider label. Look ahead one token after
4565 an '@'; if we get an identifier, check whether it's an
4566 Objective C @-keyword. If so, return the keyword. Otherwise,
4567 put back the token and return the '@' as a terminal.
4569 * cpplib.c (lex_macro_node): Remove unnecessary check for
4570 leading '@' on identifier. Clarify control flow and commentary.
4572 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4574 * cse.c (new_label_ref): Variable deleted.
4575 (insert): Remove set of new_label_ref.
4576 (check_for_label_ref): New function.
4577 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4579 See ChangeLog.5 for earlier changes.
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