1 2001-08-09 Graham Stott <grahams@redhat.com>
3 * predict.c (estimate_probability): Replace magic numbers with
4 appropriate enumeration.
6 2001-08-09 Graham Stott <grahams@redhat.com>
8 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
10 (EXTRACT_FLAGS): Likewise.
12 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
14 * config/mips/mips.c (mips_legitimate_address_p): Check for
15 CONST_INT in last patch.
17 2001-08-08 Anthony Green <green@redhat.com>
19 * java/class.c (emit_register_classes): Use assemble_jcr if
20 possible. Keep the original mechanism as a fallback.
21 * defaults.h (JCR_SECTION_NAME): Define if we have named section
22 and weak symbol support.
23 * crtstuff.c (__JCR_LIST__): Define.
24 (__JCR_END__): Define.
25 (_Jv_RegiserClasses): Define weak symbol if possible.
26 (__do_global_ctors_aux): Register classes for ELF targets with
29 2001-08-08 Kazu Hirata <kazu@hxi.com>
31 * dbxout.c: Fix comment formatting.
32 * dependence.c: Likewise.
34 * diagnostic.c: Likewise.
35 * dominance.c: Likewise.
36 * doprint.c: Likewise.
37 * dwarf2out.c: Likewise.
38 * dwarfout.c: Likewise.
39 * emit-rtl.c: Likewise.
45 * fold-const.c: Likewise.
46 * function.c: Likewise.
48 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
50 * global.c (retry_global_alloc): Avoid shadowing allocno.
52 2001-08-08 Mark Mitchell <mark@codesourcery.com>
54 * except.c (remove_fixup_regions): Fix typo.
56 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
58 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
59 unsigned HOST_WIDE_INT to avoid warning.
60 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
61 * flow.c (set_block_for_new_insns): Likewise.
63 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
65 * sibcall.c (return_value_pseudo): New static variable.
66 (skip_copy_to_return_value): Handle return_value_pseudo.
67 (call_ends_block_p): Ensure that return_value_pseudo is set.
68 (optimize_sibling_and_tail_recursive_call): Discover the
69 load of pseudo return value in alternate exit block.
71 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
73 * calls.c (ECF_ALWAYS_RETURN): New constant.
74 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
75 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
76 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
77 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
78 * rtl.c (reg_note_name): New name.
79 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
81 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
83 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
85 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
87 * alias.c (get_alias_set): Return a previously calculated
88 alias set for a VAR_DECL.
89 * function.c (gen_mem_addressof): Calculate the alias set before
92 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
94 * predict.def: Set hitrates according our experimental run.
96 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
98 * i386.h (HARD_REGNO_RENAME_OK): New macro.
100 2001-08-08 H.J. Lu <hjl@gnu.org>
102 * config/mips/mips.c (mips_unique_section): New. Copied from
105 * config/mips/mips-protos.h (mips_unique_section): New
108 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
110 * config/mips/little.h: New. Generic little endian mips
111 targets. Only mips*-*-linux* is converted to use it so far.
113 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
114 (WCHAR_TYPE): Defined
115 (WCHAR_TYPE_SIZE): Likewise.
116 (INIT_SUBTARGET_OPTABS): Likewise.
117 (BSS_SECTION_ASM_OP): Likewise.
118 (SBSS_SECTION_ASM_OP): Likewise.
119 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
120 (ASM_DECLARE_OBJECT_NAME): Likewise.
121 (UNIQUE_SECTION): Likewise.
122 (EXTRA_SECTIONS): Likewise.
123 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
124 (ASM_OUTPUT_DESTRUCTOR): Likewise.
125 (ASM_OUTPUT_DEF): Likewise.
126 (HANDLE_SYSV_PRAGMA): Removed.
127 (NO_IMPLICIT_EXTERN_C): Likewise.
128 (TARGET_MEM_FUNCTIONS): Likewise.
129 (STARTFILE_SPEC): Likewise.
130 (ENDFILE_SPEC): Likewise.
131 (LIB_SPEC): Likewise.
132 (INVOKE__main): Likewise.
133 (CTOR_LIST_BEGIN): Likewise.
134 (CTOR_LIST_END): Likewise.
135 (DTOR_LIST_BEGIN): Likewise.
136 (DTOR_LIST_END): Likewise.
137 (SET_ASM_OP): Likewise.
138 (ASM_OUTPUT_SOURCE_LINE): Likewise.
139 (ASM_OUTPUT_DEF): Likewise.
140 (ASM_OUTPUT_IDENT): Likewise.
142 * config/mips/mips.h (ASM_SPEC): Undefine before define.
143 (CPLUSPLUS_CPP_SPEC): Likewise.
144 (ASM_APP_ON) Redefine only if not defined.
145 (ASM_APP_OFF): Likewise.
146 (ASM_OUTPUT_SOURCE_LINE): Likewise.
147 (ASM_OUTPUT_IDENT): Likewise.
149 * config.gcc: Update tm_file for Linux/mips.
151 2001-08-08 Bernd Schmidt <bernds@redhat.com>
153 * cselib.c (cselib_record_sets): If insn is predicated, turn
154 sources into IF_THEN_ELSEs.
156 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
157 Turn into define_insn_and_split.
159 * sched-deps.c: Include "cselib.h".
160 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
161 Use cselib to turn memory addresses into VALUEs.
162 (sched_analyze): Call cselib_init/cselib_finish if necessary.
163 * sched-int.h (struct sched_info): New member USE_CSELIB.
164 * sched-ebb.c (ebb_sched_info): Initialize it.
165 * sched-rgn.c (rgn_sched_info): Likewise.
166 * Makefile.in (sched-deps.o): Update dependencies.
168 * cselib.h (cselib_subst_to_values): Declare.
169 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
170 that have no value and autoincs to be handled by generating a new
173 2001-08-08 Graham Stott <grahams@redhat.com>
175 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
176 within fixed length SEQUENCE.
178 2001-08-08 Graham Stott <grahams@redhat.com>
180 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
181 (diagnostic_prefixing_rule): Likewise.
182 (diagnostic_line_cutoff): Likewise.
183 (diagnostic_kind_count): Likewise.
185 2001-08-08 Graham Stott <grahams@redhat.com>
187 * alias.c (find_base_decl): Delete redundent assignment.
189 2001-08-08 Graham Stott <grahams@redhat.com>
191 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
192 (abs): Uppercase and paranthesize macro parameter.
193 (MEM_DEPENDENCY): Add whitespace.
195 2001-08-08 Graham Stott <grahams@redhat.com>
197 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
198 failure check for CONST_INT
200 2001-08-08 Graham Stott <grahams@redhat.com>
202 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
203 (libcall_dead_p): Likewise.
205 (mark_used_regs): Constify fmt.
206 (find_use_as_address): Likewise.
208 2001-08-08 Graham Stott <grahams@redhat.com>
210 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
213 2001-08-08 Graham Stott <grahams@redhat.com>
215 * combine.c (combine_simplify_rtx): Update comment and
216 remove erroneous test.
218 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
220 * cppinit.c (cpp_finish): Pop the final buffer without comment.
221 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
222 take care to avoid multiple no-newline at EOF warnings in that
225 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
227 * calls.c (expand_call): Do not emit INSN_SETJMP note.
228 (emit_library_call_value_1): Likewise.
229 (emit_call_1): Emit REG_SETJMP note.
230 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
232 * cselib.c (cselib_process_insn): Likewise.
233 * flow.c (propagate_block): Likewise.
234 * loop.c (find_and_verify_loops): Likewise.
235 * reload.c (find_equiv_regs): Likewise.
236 * reload1.c (reload): Likewise.
237 * resource.c (mark_referenced_resources,
238 mark_set_resources): Likewise.
239 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
240 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
241 * haifa-sched.c (unlink_other_notes): Likewise.
242 (reemit_notes): Likewise.
243 * sched-ebb.c (sched_ebb): Likewise.
244 * sched-rgc.c (sched_region): Likewise.
245 * rtl.c (note_insn_name): Likewise.
246 (reg_note_name): Add REG_SETJMP
247 * rtl.h (reg_note): Add REG_SETJMP.
248 (insn_note): Remove NOTE_INSN_SETJMP.
250 * profile.c (branch_prob): Add fake edges for setjmp.
252 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
254 * config.gcc: Quote target_cpu_default2 correctly for
255 powerpc*-*-* targets.
257 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
259 * cpplib.h, line-map.h: Update comments.
260 * cppmain.c (printer_init): Move inline.
261 (maybe_print_line, print_line): Take a map pointer.
262 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
263 (cb_file_change): Don't use prior value of print.map.
265 2001-08-07 David Edelsohn <edelsohn@gnu.org>
267 * doc/install.texi: Document fine-grained multilib configuration.
269 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
271 * rtlanal.c (find_first_parameter_load): Call note_stores
272 only on the instructions.
274 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
276 * alias.c (nonlocal_mentioned_p):
277 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
278 * calls.c (emit_call_1): Likewise.
279 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
280 * cselib.c (cselib_process_insn): Likewise.
281 * df.c (df_insns_modify): Likewise.
282 * flow.c (need_fake_edge_p): Likewise.
283 (propagate_one_insn): Likewise.
284 * haifa-sched.c (reemit_notes): Likewise.
285 * integrate.c (copy_insn_list): Likewise.
286 * jump.c (delete_prior_computation): Likewise.
287 * local-alloc.c (validate_equiv_mem): Likewise.
288 * loop.c (scan_loop): Likewise.
289 * predict.c (estimate_probability): Likewise.
290 * reload.c (reload): Likewise.
291 * sched-deps (sched_analyze): Likewise.
292 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
293 * gcse.c (compute_hash_table): Likewise.
294 (mark_call): Likewise.
295 (store_killed_in_insn): Likewise.
297 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
299 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
301 2001-08-06 Richard Henderson <rth@redhat.com>
303 * varasm.c (assemble_gc_entry): Remove.
304 * output.h: Likewise.
306 2001-08-06 Richard Henderson <rth@redhat.com>
308 * varasm.c (assemble_constructor): Take a symbol_ref and a
309 priority instead of a bare string. Move priority handling
310 here from cp/decl2.c.
311 * output.h: Update decls.
313 * c-decl.c (c_expand_body): Update calls to assemble_constructor
314 and assemble_destructor.
315 * profile.c (output_func_start_profiler): Likewise.
316 * objc/objc-act.c (finish_objc): Likewise.
317 (build_module_descriptor): Return the symbol not the symbol name.
319 2001-08-06 David Edelsohn <edelsohn@gnu.org>
321 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
322 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
323 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
324 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
325 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
326 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
328 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
330 * cpperror.c (print_containing_files): Moved to line-map.c.
331 (print_location): line-map.c handles re-listing or otherwise.
332 * cpphash.h (struct lexer_state): Remove next_bol.
333 (struct cpp_buffer): Remove include_stack_listed.
334 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
335 Remove faked buffer handling.
336 (_cpp_do_file_change): Tweak.
337 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
338 * cppmain.c (struct printer): Remove filename.
339 (print_line, cb_file_change): Update accordingly.
340 * line-map.c: Include intl.h.
341 (init_line_maps): Initialize last_listed.
342 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
343 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
344 (print_containing_files): New.
345 * line-map.h (struct line_maps): New member last_listed.
346 (print_containing_files, INCLUDED_FROM): New.
347 * Makefile.in: Update.
348 * po/POTFILES.in: Add line-map.c.
350 2001-08-06 Richard Henderson <rth@redhat.com>
352 * except.c (convert_from_eh_region_ranges_1): Never mark
353 USE or CLOBBER insns as throwing.
355 * expr.c (store_constructor): Don't clobber memory targets.
357 2001-08-06 Andreas Jaeger <aj@suse.de>
359 * profile.c (branch_prob): Remove unused variable insn.
361 * Makefile.in (local-alloc.o): Add dependency on except.h.
363 * local-alloc.c: Include except.h for can_throw_internal prototype.
365 2001-08-06 Richard Henderson <rth@redhat.com>
367 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
368 * function.c (expand_main_function): Implement it.
369 * doc/tm.texi: Document it.
371 2001-08-06 Stan Shebs <shebs@apple.com>
373 * doc/install.texi: Document powerpc-*-darwin* details.
375 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
377 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
378 (ASM_CPU_SPEC): Move back to rs6000.h
379 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
381 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
383 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
386 * config/rs6000/linux64.h: Ditto.
388 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
389 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
392 Remove accidently readded definitions of FUNCTION_PROLOGUE,
393 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
395 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
398 2001-08-05 Richard Henderson <rth@redhat.com>
400 * local-alloc.c (update_equiv_regs): Do not move insns that
403 2001-08-05 Jan Hubicka <jh@suse.cz>
405 * Makefile.in (reload1.o): Add dedendancy on except.h
406 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
408 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
409 indicating wehther edges has been cleaned up.
410 * reload1.c: Inlucde except.h
411 (fixup_abnormal_edges): Accept deleted insns.
412 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
415 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
417 * cpplib.c (do_line): Correct line number after pop_buffer.
419 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
422 * line-map.c: Update comments.
423 * line-map.h: Update comments.
424 * tradcif.y: Don't consider large numbers unsigned.
426 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
429 * c-lex.c (map): New.
430 (cb_file_change): Update map and use it.
431 (cb_def_pragma, cb_define, cb_undef): Use map and line.
432 (c_lex): Update to use map.
433 * cpperror.c (print_location): Move to using logical line numbers.
434 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
435 (cpp_make_system_header): Similarly.
436 (_cpp_execute_include): Stop line numbering hacks. Store the
437 line we will return to.
438 * cpphash.h (CPP_BUF_LINE): Remove.
439 (struct cpp_buffer): Remove lineno and pseudo_newlines.
440 Add map and return_to_line.
441 (_cpp_do_file_change): Update.
442 * cppinit.c (cpp_start_read): Update line kludge.
443 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
444 (trigraph_ok): Use logical line numbers for diagnostics.
445 (skip_block_comment): Likewise.
446 (skip_whitespace): Likewise.
447 (skip_line_comment): Use pfile->line instead.
448 (_cpp_lex_token): Update to use logical line numbering exclusively.
449 Handle BOL locally. Accept new lines in directives, but keep
450 pfile->line decremented. Diagnostics use logical lines. Update
452 * cpplib.c (SEEN_EOL): New.
453 (skip_rest_of_line, check_eol): Use it.
454 (end_directive): Increase line number when accepting the newline
455 at the end of a directive.
456 (run_directive): Simplify.
457 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
458 (_cpp_do_file_change): Update to take buffer line number as an
459 argument, and store the current map in the cpp_reader. Remove
461 (_cpp_do__Pragma): Restore output position after a _Pragma.
462 (cpp_push_buffer): Don't set output line or lineno.
463 (_cpp_pop_buffer): Transfer more info from a faked buffer.
464 Remove line kludge. Set output_line.
465 * cppmacro.c (builtin_macro): Update handling of __LINE__.
466 (parse_arg): Use logical lines.
467 (save_lookahead_token): Save EOFs too now.
468 * cppmain.c (struct printer): Fix comments.
469 (printer_init): Simplify, let caller do errors.
470 (scan_translation_unit, check_multiline_token, dump_macro): Update.
471 (maybe_print_line): Simplify.
472 (print_line): Don't print a linemarker if -P.
473 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
474 (cb_file_change): Simplify.
475 * line-map.h (LAST_SOURCE_LINE): Fix.
476 (CURRENT_LINE_MAP): New.
478 2001-08-05 Bernd Schmidt <bernds@redhat.com>
480 * doloop.c (doloop_modify_runtime): Properly compute number of
481 iterations if loop was unrolled.
483 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
484 if their CSELIB_VAL_PTRs are.
486 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
487 (setup_spill_pointers): Initialize it.
488 (spill_restore_mem): Set it.
489 (do_spill, do_restore): Use it to add REG_INC note.
490 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
492 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
493 asms if other insns are available.
495 * config/ia64/ia64.c (condop_operator): New predicate.
496 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
497 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
500 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
501 temporary register than directly using a MEM.
503 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
505 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
506 parameter in last change.
508 2001-08-04 Zack Weinberg <zackw@panix.com>
510 * sparc.md: Don't use #if inside C test expression.
512 2001-08-04 Richard Henderson <rth@redhat.com>
514 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
516 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
518 * cpphash.h (struct cpp_reader): New member directive_line.
519 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
520 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
521 do_pragma): Pass line to callbacks.
522 (start_directive): Record line of directive.
523 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
524 cb_include): Similarly.
525 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
528 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
530 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
533 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
535 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
537 * reload1.c (fixup_abnormal_edges): New static function.
540 * flow.c (need_fake_edge_p): New function.
541 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
542 avoid call insn to be very last insn in the insn stream.
544 * profile.c (branch_prob): Call flow_call_edges_add instead of
545 doing that by hand; cleanup cfg to re-merge basic blocks once
548 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
550 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
551 are also on line-map.h.
552 * cppfiles.c (stack_include_file): Update.
553 * cpphash.h (struct cpp_buffer): New member return_at_eof.
554 (_cpp_pop_buffer): New.
555 * cppinit.c (cpp_destroy, cpp_finish): Update.
556 (do_includes): Mark each buffer to return at EOF.
557 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
559 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
560 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
561 * cpplib.h (cpp_pop_buffer): Remove.
562 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
563 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
565 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
567 (do_preprocessing): Update.
568 * fix-header.c (read_scan_file): Update. No need to pop buffers.
569 * c-parse.in (_yylex): Similarly.
570 * scan-decls.c (scan_decls): Similarly.
571 * line-map.h: Update comments.
573 * objc/Make-lang.in (objc-act.o): Update dependencies.
575 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
577 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
578 and soft register for operand 0.
579 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
581 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
583 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
584 register for operand 0.
585 ("bitcmpqi_z_used"): Allow memory for operand 0.
586 (split "bitcmpqi"): New split to handle address reg as operand 1.
588 2001-08-04 Andreas Jaeger <aj@suse.de>
590 * gcse.c: Revert Daniel's last patch.
592 2001-08-03 Zack Weinberg <zackw@stanford.edu>
594 * sparc-protos.h: Add prototypes for fp_zero_operand and
596 * sh-protos.h: Add prototype for fpul_operand.
598 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
600 * doc/extend.texi (Other Builtins): Fix typo in last change.
602 2001-08-03 Richard Henderson <rth@redhat.com>
604 * target.h (gcc_target): Add asm_out.named_section,
605 section_type_flags, have_named_sections.
606 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
607 (TARGET_HAVE_NAMED_SECTIONS): New.
608 (TARGET_SECTION_TYPE_FLAGS): New.
610 * Makefile.in (toplev.o): Depend on TARGET_H.
611 (varasm.o, dbxout.o): Likewise.
612 * c-common.c (decl_attributes): Check targetm.have_named_sections
613 instead of ifdef ASM_OUTPUT_SECTION_NAME.
614 * dbxout.c (dbxout_function_decl): Likewise.
615 (dbxout_function_end): Likewise.
616 * toplev.c (compile_file): Likewise.
617 * varasm.c (exception_section): Likewise.
618 * cp/decl2.c (finish_objects): Likewise.
620 * defaults.h (EH_FRAME_SECTION): Remove.
621 (EH_FRAME_SECTION_ASM_OP): Remove.
622 (EH_FRAME_SECTION_NAME): New.
623 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
624 (UNIQUE_SECTION_P): Remove.
625 * dwarf2out.c (SECTION_FORMAT): Remove.
626 (ASM_OUTPUT_SECTION): Remove.
627 (output_call_frame_info): Use named_section_flags.
628 (output_comp_unit, dwarf2out_start_source_file): Likewise.
629 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
630 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
631 * varasm.c (in_eh_frame, eh_frame_section): Remove.
632 (named_section_flags): New.
633 (named_section): Use it and targetm.section_type_flags.
634 (resolve_unique_section): New.
635 (assemble_start_function): Use it.
636 (asm_emit_uninitialised, assemble_variable): Likewise.
637 (default_section_type_flags): New.
638 (default_no_named_section, default_elf_asm_named_section): New.
639 (default_coff_asm_named_section, default_pe_asm_named_section): New.
640 * output.h: Update varasm.c decls.
641 (SECTION_*): New flags.
643 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
644 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
646 * config/elfos.h (UNIQUE_SECTION_P): Remove.
647 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
648 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
649 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
650 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
651 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
652 * config/mips/elf.h, config/mips/elf64.h: Likewise.
653 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
654 * config/pa/pa64-hpux.h,
656 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
657 (TARGET_ASM_NAMED_SECTION): New.
658 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
659 * config/alpha/vms.h, config/arm/coff.h: Likewise.
660 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
661 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
662 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
663 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
664 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
665 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
666 * config/i386/sco5.h, config/i386/win32.h: Likewise.
667 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
668 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
669 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
670 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
671 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
672 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
673 * config/sparc/sysv4.h: Likewise.
675 * config/nextstep.h: Error until named sections implemented.
677 * config/a29k/a29k.c (a29k_asm_named_section): New.
678 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
679 (vms_section_type_flags, vms_asm_named_section): New.
680 * config/arm/arm.c (arm_elf_asm_named_section): New.
681 * config/avr/avr.c (asm_output_section_name): Remove.
682 * config/avr/avr-protos.h: Update.
683 * config/c4x/c4x.c (c4x_asm_named_section): New.
684 * config/h8300/h8300.c (h8300_asm_named_section): New.
685 * config/i386/i386.c (sco_asm_named_section): New.
686 * config/i386/winnt.c (SECTION_PE_SHARED): New.
687 (i386_pe_section_type_flags): New.
688 (i386_pe_asm_named_section): New.
689 * config/i386/i386-protos.h: Update.
690 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
691 * config/mcore/mcore.c (mcore_asm_named_section): New.
692 * config/mips/mips.c (iris6_asm_named_section): New.
693 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
694 instead of UNIQUE_SECTION_P.
695 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
696 (xcoff_asm_named_section): New.
697 * config/sh/sh.c (sh_asm_named_section): New.
698 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
700 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
701 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
702 (EH_FRAME_SECTION_NAME): New.
703 (EXCEPTION_SECTION): New.
704 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
705 (DEBUG_*_SECTION): Remove.
706 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
707 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
708 (EH_FRAME_SECTION_ASM_OP): Remove.
710 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
711 (ASM_OUTPUT_SECTION_NAME): Remove.
712 (TARGET_ASM_NAMED_SECTION): New.
713 (TARGET_HAVE_NAMED_SECTIONS): New.
714 (TARGET_SECTION_TYPE_FLAGS): New.
715 (EH_FRAME_SECTION_ASM_OP): Remove.
716 (EH_FRAME_SECTION_NAME): New.
718 2001-08-03 Zack Weinberg <zackw@stanford.edu>
720 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
721 for complex expressions when cfun == 0.
722 * doc/extend.texi: Document that __builtin_constant_p can be
723 used in data initializers as well as functions.
725 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
727 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
728 variable I locally, instead of expecting a declaration in the
731 2001-08-03 Richard Henderson <rth@redhat.com>
733 * except.c (collect_one_action_chain): Add an explicit cleanup
734 action if regions surrounding a catch were encoded entirely
735 within the call-site entry.
737 2001-08-03 Richard Henderson <rth@redhat.com>
739 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
740 don't take REGNO of a non-register.
742 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
744 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
745 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
746 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
747 (__gthread_mutex_init_function): New function for mutex initialization.
749 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
751 * Makefile.in: Revert screwed up commit.
753 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
755 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
756 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
757 merged by linker script to get a final _exit().
758 (__do_global_dtors): New for destructor handling in specific exit
760 (__do_global_ctors): New for constructors in specific install section.
761 (__map_data_section): Map data sections before running constructors.
762 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
763 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
764 (DTORS_SECTION_ASM_OP): Likewise.
765 (CTORS_SECTION_FUNCTION): Define to force a reference to
767 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
769 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
771 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
773 * Makefile.in: Add df.h to gcse.c dependencies.
775 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
777 * varasm.c (output_constant_def_contents): Use for the length of a
778 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
779 depending on which is larger.
781 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
783 * gcse.c: Include df.h for use as a dataflow analyzer.
785 Declaration of reg_set_info: gone.
786 New df_analyzer variable used by store motion.
787 (reg_set_info): Deleted.
788 (mark_mem_regs): New function, analyze regs used by a mem.
789 (store_ops_ok): Use dataflow analyzer results to determine if
790 necessary regs are changed in the block.
791 (find_moveable_store): Remove check for symbol ref, we can handle
792 much more complex expressions now.
793 (compute_store_table): Remove most of the code, it's unnecessary
794 now that the dataflow analyzer records the info for us.
795 (store_killed_after): Add parameter to say whether to do the
796 store_ops_okay test, used to speed up testing when we already know
797 the answer, and just want to know if the store itself was killed.
798 (build_store_vector): Largely rewritten to calculate the various
799 vectors properly, and somewhat optimized.
800 (store_motion): Init the df_analyzer, get REG_DEF chains.
801 Also handle trapping expressions (since mems almost always trap)
802 (simple_mem): Redefine what a simple mem is.
804 2001-08-03 DJ Delorie <dj@redhat.com>
806 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
807 set from a constant part of the condition.
809 2001-08-01 Andrew Cagney <ac131313@redhat.com>
811 * mkdeps.c (deps_add_default_target): Make local variable
812 ``start'' a const char pointer.
813 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
815 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
817 * doc/install.texi (Configuration): Fix markup.
818 (Specific, i?86-*-udk): Likewise.
819 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
821 Document --enable-threads and --enable-libgcj status.
822 (Specific, mips-sgi-irix*): Canonicalize triples.
823 (Specific, mips-sgi-irix5): Warn about problems with this config.
824 Mention required GNU as patch.
825 Native assembler problems are fixed.
826 (Specific, mips-sgi-irix6): Update O32 ABI support status.
827 Document --enable-threads and --enable-libgcj status.
829 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
831 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
834 2001-08-03 Richard Henderson <rth@redhat.com>
836 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
839 2001-08-03 Richard Henderson <rth@redhat.com>
841 * rtlanal.c (find_first_parameter_load): Stop if we
842 reach a CODE_LABEL at BOUNDARY.
844 2001-08-03 Richard Henderson <rth@redhat.com>
846 * config/alpha/alpha.md (force_movdi): New insn.
847 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
848 Tweek FRP marking of VMS prologue insns.
849 * config/alpha/vms.h (EPILOGUE_USES): New.
851 2001-08-02 Richard Henderson <rth@redhat.com>
853 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
855 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
857 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
858 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
859 config/convex/convex.h, config/d30v/d30v.c,
860 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
861 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
862 config/mips/mips.h, config/mn10200/mn10200.h,
863 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
864 config/v850/v850.h, config/vax/openbsd.h,
865 config/vax/openbsd1.h, config/vax/ultrix.h,
866 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
867 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
868 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
869 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
870 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
871 in comments and documentation.
873 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
877 * Makefile.in (line-map.o): New.
878 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
879 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
880 * cpperror.c (print_containing_files): Similarly.
881 (print_location): Update. Don't output a space before _Pragma.
882 * cppfiles.c (stack_include_file): Set to line 1 immediately.
883 (stack_include_filee, cpp_make_system_header): Update.
884 (_cpp_execute_include): Get logical line number right for calling
885 as-yet-unterminated #include.
886 * cpphash.h (struct cpp_reader): Add line_maps.
887 (_cpp_do_file_change): Update.
888 * cppinit.c (cpp_create_reader): Initialize line maps.
889 (cpp_destroy): Destroy line maps.
890 (cpp_start_read): Get logical line number right.
891 * cpplex.c (parse_string): Only warn once for multi-line strings.
892 Use boolean variable for null warning.
893 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
895 (do_include_common): End the directive early.
896 (do_line): Don't warn about out-of-range lines in preprocessed
897 source. Update. Remove unused variables.
898 (_cpp_do_file_change): Update for new line mapping.
899 (pragma_cb): New typedef.
900 (cpp_register_pragma): Stop looking ahead before calling the
902 (do_pragma_system_header): End directive early.
903 (cpp_get_line_maps): New.
904 (cpp_pop_buffer): Fudge logical line. Update.
905 * cpplib.h: Include line-map.h
906 (enum cpp_fc_reason): Remove.
907 (struct cpp_file_change): Update.
908 (cpp_get_line_maps): New.
909 * cppmain.c (struct_printer): New member map.
910 (cb_file_change): Update for new mappings.
911 * fix-header.c (cb_file_change): Similarly.
913 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
915 * Makefile.in (libgcc.mk): Define mkinstalldirs.
916 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
918 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
920 * config/vax/vax.c: include expr.h.
922 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
924 * Makefile.in ($(srcdir)/configure): Only rebuild in
926 ($(srcdir)/config.in): Only define in maintainer mode.
927 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
929 2001-08-02 David Edelsohn <edelsohn@gnu.org>
931 * doc/install.texi (Install GCC: Binaries): Update Bull info.
933 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
935 * gcc.c (set_collect_gcc_options): New function, split out from
937 Ignore elided switches.
938 (do_spec_1): Invoke before executing command.
941 * gcc.h (set_input): ... here.
942 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
945 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
948 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
950 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
952 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
954 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
955 for the unnamed instructions it expands to.
957 2001-08-02 Richard Henderson <rth@redhat.com>
959 * regclass.c (call_really_used_regs): Conditionally define.
960 (init_reg_sets_1): Don't use it if not defined.
961 (fix_register): Similarly, don't set it.
963 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
965 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
966 Correct comment that had been missed in the previous change.
968 2001-08-01 Stan Shebs <shebs@apple.com>
970 * config/darwin.c (machopic_stub_name): Try matching by name.
971 (update_stubs): New function.
972 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
975 2001-08-01 Richard Henderson <rth@redhat.com>
977 * except.c (output_function_exception_table): Use assemble_align.
978 * varasm.c (assemble_eh_label): Remove.
979 (assemble_eh_align, assemble_eh_integer): Remove.
981 2001-08-01 Robert Lipe <robertl@caldera.com>
983 * dwarfout.c: Remove reference to README.DWARF.
985 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
987 * regclass.c (call_really_used_regs): New array for registers which
988 are actually used by a call.
989 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
991 (fix_register): Set call_really_used too.
992 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
993 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
995 2001-08-01 Richard Henderson <rth@redhat.com>
997 * read-rtl.c (read_name): Consider \r whitespace.
999 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1001 * config.gcc: Recognize powerpc-*-netbsd*.
1003 * doc/install.texi (Host/target specific installation notes for
1004 GCC): Mention powerpc-*-netbsd*.
1006 * config/rs6000/netbsd.h: New file.
1007 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1008 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1009 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1010 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1011 (TARGET_VERSION): Redefine.
1013 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1014 mcall-netbsd as a match for mcall-sysv.
1015 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1016 (ncrti.S, ncrtn.S): New targets.
1017 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1019 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1020 "netbsd' as a V4 ABI.
1021 (ASM_SPEC): Check for -mcall-netbsd.
1022 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1023 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1024 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1025 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1026 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1027 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1028 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1030 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1031 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1033 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1035 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1036 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1037 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1038 including "unwind-pe.h".
1040 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1042 * rs6000.md (define_splits): Kill unused constraints.
1044 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1045 Jan Hubicka <jh@suse.cz>
1047 * function.c (thread_prologue_and_epilogue_insns): Kill code
1048 dealing with non-existent CFG.
1050 2001-08-01 Kazu Hirata <kazu@hxi.com>
1052 * alias.c: Fix comment formatting.
1053 * bitmap.c: Likewise.
1054 * builtins.c: Likewise.
1055 * calls.c: Likewise.
1056 * c-common.c: Likewise.
1057 * c-decl.c: Likewise.
1058 * c-dump.c: Likewise.
1059 * c-lex.c: Likewise.
1060 * collect2.c: Likewise.
1061 * combine.c: Likewise.
1062 * conflict.c: Likewise.
1063 * cppfiles.c: Likewise.
1064 * cppinit.c: Likewise.
1065 * cpplex.c: Likewise.
1066 * cpplib.c: Likewise.
1067 * cppmacro.c: Likewise.
1068 * cppspec.c: Likewise.
1069 * c-pragma.c: Likewise.
1070 * crtstuff.c: Likewise.
1072 * cselib.c: Likewise.
1073 * c-semantics.c: Likewise.
1074 * c-typeck.c: Likewise.
1076 2001-08-01 H.J. Lu <hjl@gnu.org>
1078 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1080 2001-08-01 H.J. Lu <hjl@gnu.org>
1082 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1084 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1086 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1087 contextualizing Objective-C class name lookup by the lexer.
1088 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1090 (protocoldef): Add support for forward @protocol declarations.
1091 (yylexname): Suppress ObjC class name lookup in certain contexts;
1092 re-enable after lookup is complete.
1093 (_yylex): Re-enable ObjC class name lookup when certain
1094 punctuation marks are seen.
1096 * objc/objc-act.c (check_protocol_recursively): New function used
1097 for finding circular dependencies in protocols.
1098 (objc_declare_protocols): New function for handling forward
1099 @protocol declarations.
1100 (receiver_is_class_object): Detect the case when 'self' is used
1101 inside of a class method.
1102 (build_message_expr): Issue a warning if class method is desired
1103 but instance method is found instead.
1104 (conforms_to_protocol): Streamline.
1105 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1106 protocol Foo, even if 'Bar foo' does not.
1107 (check_protocols): Streamline.
1108 (start_protocol): Add checks for circular and duplicate protocol
1110 (encode_aggregate_within): For typedefs of structs, encode the
1112 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1113 (objc_declare_protocols): New prototype.
1115 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1117 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1118 * cpplex.c (handle_newline): Update prototype. Maintain logical
1120 (skip_escaped_newlines, skip_block_comment, parse_string):
1122 (_cpp_lex_token): Update, and store token position within the token.
1123 * cpplib.h (struct cpp_token): Add line and column entries.
1124 * cppmacro.c (replace_args): Position stringified tokens correctly.
1126 2001-08-01 Andreas Jaeger <aj@suse.de>
1128 * basic-block.h: Add prototype for last_loop_beg_note.
1130 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1132 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1133 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1135 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1136 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1137 expand_decl_cleanup.
1138 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1140 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1141 operand while calling simple_cst_equal.
1142 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1143 operand is the cleanup expression, the third is the RTL_EXPR.
1144 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1146 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1148 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1150 2001-07-31 matthew green <mrg@eterna.com.au>
1152 * config.gcc (i386-*-netbsdelf): New description.
1153 * config/i386/netbsd-elf.h: New file.
1155 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1157 * loop.c (check_dbra_loop): Use single_set to compute
1160 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1162 PowerPC reorg and support for powerpc64-*-linux*.
1164 Also fixes emitting of constants on 32 bit and 64 bit
1167 * config.gcc: powerpc64-*-linux* is a new target.
1168 Things that needed aix.h now also include xcoff.h
1170 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1172 Move AIX specific stuff into aix.h.
1173 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1174 with more than just XCOFF now.
1175 (SET_ASM_OP): Remove, now defined where needed.
1176 (FUNCTION_PROLOGUE): New macro definition.
1177 (FUNCTION_EPILOGUE): New macro definition.
1178 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1180 * config/rs6000/xcoff.h: New file.
1182 * config/rs6000/linux64.h: New file.
1184 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1186 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1188 * rs6000.c (print_operand_address): Handle ELF syntax.
1189 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1190 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1191 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1193 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1195 * rs6000.c (rs6000_override_options): Only disable
1196 flag_function_sections for XCOFF.
1197 (exact_log2_cint_operand): New predicate.
1198 (reg_or_{add,sub}_cint64_operand): New predicates.
1199 (add_operand): Compare CONST_INT with fewer function calls.
1200 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1201 (print_operand, case 'p'): Ensure positive operand.
1202 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1203 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1204 (PREDICATE_CODES): Add new predicates.
1205 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1206 (divsi3, modsi3): Ensure positive power-of-2.
1207 (adddi3): Use new predicate. Split 32-bit constants more
1208 correctly. Re-arrange splitter to handle any constant.
1209 (subdi3): Use new predicate.
1210 (divdi3, moddi3): Ensure positive power-of-2.
1211 (movdi): Use rs6000_emit_set_const.
1212 (load_toc_v4_pic_di): Delete.
1214 2001-07-31 Graham Stott <grahams@redhat.com>
1216 * function.c (pad_below): Revert 2001-07-26 patch.
1218 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1220 * reg-stack (convert_regs_1): Fix best edge condition.
1222 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1224 * jump.c (duplicate_loop_exit_test): Better test for jumps
1225 entering the loop; create loop pre_header.
1227 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1229 * doc/install.texi: Add s390 and s390x as new targets.
1230 * doc/invoke.texi: Add documantation of S/390 and zSeries
1232 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1234 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1236 * config/m68k/m68k.md: Replace all general_operand with
1237 nonimmediate_operand for all destinations.
1238 * config/m68k/m68k.c (not_sp_operand): Likewise.
1240 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1242 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1244 2001-07-30 Richard Henderson <rth@redhat.com>
1246 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1247 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1249 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1251 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1252 Add missing doc strings
1253 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1254 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1256 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1258 * i386.c (ix86_output_main_function_alignment_hack): New function.
1259 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1261 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1262 edges by EDGE_DFS_BACK flag.
1263 (dump_edge_info): Add dfs_back flag.
1264 * basic-block.h (EDGE_DFS_BACK): New constant.
1265 (mark_dfs_back_edges): Declare.
1266 * alias.c (loop_p): Remove.
1267 (mark_constant_function): Use mark_dfs_back_edges.
1269 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1270 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1271 (compensate_edge): Break out from ...
1272 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1273 (convert_regs_2): Set block_done once block is really done;
1274 Do updating of the predecesors counts.
1276 * toplev.c (rest_of_compilation): Recompute block_for_insn
1277 before post-reload cfg_cleanup.
1278 * function.c (thread_prologue_epilogue_insns):
1279 Call set_block_for_new_insns when emitting prologue directly.
1281 2001-07-30 Andreas Jaeger <aj@suse.de>
1283 * jump.c: Add prototype for mark_modified_reg.
1285 * cse.c (set_live_p): Add unused attribute.
1287 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1289 (scan_for_source_files): Use long for count to avoid overflow.
1290 (output_data): Likewise.
1291 (output_data): Don't use string concatatenation to silence gcc
1294 * predict.c: Fix typos and grammar.
1296 * gcse.c (insert_insn_end_bb): Remove unused variables.
1298 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1300 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1301 (attempt_auto_inc): LIkewise.
1302 (mark_used_reg): Likewise.
1303 (try_pre_increment_1): Likewise.
1304 * regclass.c (regclass): Likewise.
1305 * global.c (allocno_compare): Update comment; change scaling factor.
1306 * local-alloc.c (QTY_CMP_PRI): Likewise.
1307 * regs.h (REG_FREQ_FROM_BB): New.
1308 (REG_FREQ_MAX): Likewise.
1310 2001-07-30 H.J. Lu <hjl@gnu.org>
1312 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1315 2001-07-30 H.J. Lu (hjl@gnu.org)
1317 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1318 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1319 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1321 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1323 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1324 as -mthumb-interwork when -mcpu=arm7 is specified.
1326 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1328 * predict.def (noreturn, loop branch, loop exit): Mark as first
1331 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1333 * combine.c (try_combine): Avoid barrier after noop jumps.
1335 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1337 * cpphash.h (struct cpp_reader): Remove import_warning.
1338 * cpplib.c (skip_rest_of_line): Don't bother turning off
1340 (parse_include): Move include handling to...
1341 (do_include_common): ... here. Move import warning from...
1342 (do_import): ... here.
1343 (do_pragma_poison): Don't do a callback for poison identifiers.
1344 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1345 * cppmain.c (setup_callbacks): Similarly.
1347 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1349 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1350 handle multiple sets.
1351 * except.c (sjlj_mark_call_sites): .... here.
1352 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1354 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1356 Suggested by Richard Henderson and Richard Kenner:
1357 * combine.c (recog_for_combine): Use the fake recog
1358 only if instruction does not match.
1359 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1360 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1362 * combine.c (try_combine): Discover noop jump as direct jump.
1364 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1366 * df.c (df_rd_global_compute): Add successors to worklist, not
1368 (df_ru_global_compute): Ditto.
1370 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1372 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1373 increment REG_N_SETS.
1375 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1377 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1379 * sbitmap.c (sbitmap_a_xor_b): New function.
1380 ifdef the basic block stuff on IN_GCC.
1382 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1384 * cppexp.c (parse_defined): Always record the macro name.
1385 (lex): Don't worry about identifiers, or special-case
1387 (_cpp_parse_expr): Figure out at the end of the routine
1388 whether we saw a valid !defined() expression.
1389 * cppfiles.c (stack_include_file): Update for mi_valid.
1390 (_cpp_pop_file_buffer): Similarly.
1391 * cpplex.c (_cpp_lex_token): Similarly.
1392 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1393 mi_if_not_defined, mi_lexed): Remove.
1395 * cpplib.c (do_if): Simplify.
1396 (do_endif, push_conditional, _cpp_handle_directive): Update
1397 for renaming of mi_state to mi_valid.
1399 * cpp.texi: Add index entries for digraphs, and add comment
1400 that C++ refers to them as alternative tokens.
1402 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1404 * basic-block.h (CLEANUP_PRE_LOOP): New.
1405 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1406 * sibcall.c (optimize_sibling_calls): Likewise.
1407 * toplev.c (rest_of_compilation): Likewise.
1408 * flow.c (try_forward_edges): Take argument MODE;
1409 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1410 (try_optimize_cfg): Update call of try_forward_edges.
1412 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1413 Jan Hubicka <jh@suse.cz>
1415 * (validate_replace_rtx_1): Fix simplification of MINUS.
1417 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1419 PR preprocessor/3669
1420 * cppinit.c (init_dependency_output): Turn off dump requests
1421 if sending dependencies to stdout.
1423 2001-07-28 Richard Henderson <rth@redhat.com>
1425 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1428 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1430 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1432 2001-07-28 Kazu Hirata <kazu@hxi.com>
1434 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1435 is VAR_DECL first to prevent an ICE.
1437 2001-07-28 Richard Henderson <rth@redhat.com>
1439 * varasm.c (immed_real_const_1): Don't elide special cases for
1441 (clear_const_double_mem): Clear const_tiny_rtx too.
1443 2001-07-28 Richard Henderson <rth@redhat.com>
1445 * dwarf2out.c (dw_val_class_offset): New.
1446 (struct dw_ranges_struct, dw_ranges_ref): New.
1447 (ranges_table, ranges_table_allocated): New.
1448 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1449 (add_AT_offset, add_ranges, output_ranges): New.
1450 (print_die, output_die): Handle dw_val_class_offset.
1451 (attr_checksum, size_of_die, value_format): Likewise.
1452 (gen_lexical_block_die): Handle non-contiguous blocks.
1453 (gen_block_die): Likewise.
1454 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1455 if needed. Dump the ranges table.
1456 * final.c (final_start_function): Remove unnecessary notes and
1457 rebuild the block tree before numbering the blocks.
1458 * function.c (reorder_blocks_0): Walk the existing block tree
1459 to unmark all blocks.
1460 (reorder_blocks_1): Create block fragments when duplicate block
1462 (reorder_fix_fragments): New.
1463 (reorder_blocks): Call it.
1464 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1466 2001-07-28 Richard Henderson <rth@redhat.com>
1468 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1470 2001-07-28 Richard Henderson <rth@redhat.com>
1472 * flow.c (add_to_mem_set_list): New function.
1473 (init_propagate_block_info): Use it.
1474 (mark_set_1): Likewise.
1475 (insn_dead_p): Canonicalize memory address for dead store
1476 comparison. Allow wider mode stores to kill narrower mode stores.
1477 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1478 (invalidate_mems_from_set): Don't handle MEMs.
1480 2001-07-28 Kazu Hirata <kazu@hxi.com>
1482 * config/h8300/h8300.h: Fix formatting.
1484 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1486 * basic-block.h (EDGE_FREQUENCY): New macro.
1487 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1489 * flow.c (find_sub_basic_blocks): Likewise.
1490 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1491 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1493 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1494 (HITRATE): New macro.
1495 (PRED_FLAG_FIRST_MATCH): New constant.
1496 (predictor_info): New field flgags.
1497 (combine_predictions_for_insn): Use DS theory to combine
1498 probabilities; set the edge probabilities when finished.
1499 (estimate_probability): Avoid duplicated matches
1500 of LOOP_BRANCH heuristics for nested loops; update comment.
1501 * predict.def: Add flags for each prediction, set probabilities
1502 according to B&L paper.
1503 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1505 * profile.c (compute_branch_probabilities): Cleanup way the edge
1506 probabilities are computed and REG_BR_PROB notes are dropped; if
1507 values does not match, emit error.
1508 (init_branch_prob): Do error instead of warning when profile driven
1509 feedback is missing or corrupt.
1511 2001-07-27 DJ Delorie <dj@redhat.com>
1513 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1514 against a constant, try to adjust the compare to have the desired
1515 constant in it so that min/max optimizations happen more often.
1517 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1519 * flow.c (last_loop_beg_note): New function.
1520 (redirect_edge_and_branch): Use it.
1521 (split_edge): Likewise.
1523 * alias.c (loop_p): Avoid uninitialized memory access.
1525 * flow.c (try_forward_edges): Avoid accessing freed memory.
1527 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1530 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1532 * doc/install.texi (Configuration): Properly link the host
1533 specific instructions also when generating HTML.
1535 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1537 * flow.c (redirect_edge_and_branch_force): Test
1538 target->global_live_at_start.
1540 2001-07-26 Richard Henderson <rth@redhat.com>
1542 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1543 * rtl.h (avoid_constant_pool_reference): Declare it.
1544 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1545 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1547 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1549 * rtl.h (cleanup_barriers): Declare.
1550 * jump.c (cleanup_barriers): New function.
1551 * toplev.c (rest_of_compilation): Call cleanup_barriers
1552 before loop optimizer and after bb_reorder.
1554 * flow.c (back_edge_of_syntactic_loop_p): New.
1555 (split_edge): Use it.
1557 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1559 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1561 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1563 * cse.c (cse_process_notes): Replace any registers if the address
1566 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1568 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1569 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1570 (propagate_block): Update prototype.
1571 * flow.c (update_life_info): Simplify the CFG and
1572 recalculate the global regs which are alive when
1573 removing dead code during a global update.
1574 (propagate_block): Return non-zero if an INSN is
1577 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1579 * Makefile.in (LIBICONV): Define.
1581 2001-07-26 Catherine Moore <clm@redhat.com>
1583 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1584 of conditional to avoid tree checking errors.
1586 2001-07-26 Kazu Hirata <kazu@hxi.com>
1588 * regmove.c (regmove_optimize): Don't replace a reg with
1589 another reg of a different mode.
1591 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1593 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1594 limit length of dependancy flush list.
1595 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1596 * sched-int.h (struct deps): Add pending_flush_length field.
1597 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1598 has 1 element in it.
1599 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1600 (sched_analyze): After a jump, if the pending memory flush list is too
1601 large, flush the pending lists.
1602 (init_deps): Initialize pending_flush_length to 0.
1603 * doc/invoke.texi (max_pending_list_length): Document parameter.
1605 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1607 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1608 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1609 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1611 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1613 * cpphash.h (struct_lexer_state): Delete was_skipping.
1614 Move skipping here from struct cpp_reader.
1615 * cpplex.c (parse_identifier): Update.
1616 (_cpp_lex_token): Don't skip tokens in a directive.
1617 * cpplib.c (struct if_stack): Update.
1618 (start_directive, end_directive): Don't change skipping state.
1619 (_cpp_handle_directive): Update.
1620 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1621 (do_else, do_endif): Update; only check for excess tokens if not
1622 in a skipped conditional block.
1623 (push_conditional): Update for new struct if_stack.
1625 2001-07-26 Graham Stott <grahams@redhat.com>
1627 * function.c (locate_and_pad_parm): Also pad initial offset
1628 so that the total argument size also includes the padding.
1630 2001-07-26 Graham Stott <grahams@redhat.com>
1632 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1633 change XSTR to XTMPL.
1635 (process_one_cond_exec): Likewise
1637 2001-07-25 Richard Henderson <rth@redhat.com>
1639 * varasm.c (assemble_variable): Create DECL_RTL before setting
1642 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1644 * predict.c (estimate_probability): Avoid duplicated predictions.
1646 * loop.c (find_and_verify_loops): Grok multiple barriers.
1648 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1650 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1652 * dbxout.c: Consistently use putc instead of fputc.
1653 (print_wide_int): New function; call instead of direct fprintf.
1654 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1655 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1656 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1657 (print_int_cst_octal): Likewise.
1658 (print_octal): Show we wrote characters.
1659 (dbxout_type): Set have_used_extensions in more places.
1661 2001-07-25 Catherine Moore <clm@redhat.com>
1663 * config/v850/v850.c (v850_va_arg): Use addr
1664 instead of valist to build incr.
1666 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1668 * flow.c (delete_dead_jumptables): New function.
1669 (life_analyzis): Call it.
1670 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1673 2001-07-25 Richard Henderson <rth@redhat.com>
1675 * except.c (reachable_handlers): Handle a region being removed
1676 out from under a RESX.
1678 2001-07-25 Richard Henderson <rth@redhat.com>
1680 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1681 swap GE/GT if it is an fp comparison.
1683 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1685 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1688 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1690 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1691 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1694 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1696 (visit_expression): When attempting to simplify an expression,
1697 retrieve any modes for arguments before they are simplified
1700 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1701 Janis Johnson <janis@us.ibm.com>
1703 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1704 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1705 pointer parameters to match documented usage of nonlocal_goto.
1706 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1707 parameters to their correct order.
1708 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1709 parameters to their correct order.
1711 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1713 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1715 2001-07-25 Jan Hubicka <jh@suse.cz>
1716 Richard Henderson <rth@redhat.com>
1718 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1720 (make_edges): New argument update_p; populate the edge cache if set.
1721 (find_basic_blocks): Update make_edges invocation.
1723 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1725 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1727 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1729 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1730 -Acpu and -Amachine.h.
1731 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1732 Corrected header to say ELF not a.out.
1733 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1734 when given -msoft-float.
1736 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1738 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1739 extra multilib parts like arm-elf.
1740 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1741 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1742 crtfini.o as extra multilib parts.
1744 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1746 * configure.in: Add rtems as a supported thread model.
1747 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1748 * configure: Rebuilt.
1750 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1752 * stor-layout.c (get_mode_alignment): make it work when
1753 BITS_PER_UNIT is not a power of two.
1754 * builtins.c (get_pointer_alignment): Likewise.
1756 2001-07-24 Richard Henderson <rth@redhat.com>
1758 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1759 the retrieved constant into the expected mode.
1761 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1763 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1764 (verify_flow_info): Check for duplicated edges; clarify
1767 * flow.c (block_label): Update basic_block_for_insn.
1768 (commit_edge_insertions): Call compute_bb_for_insn.
1770 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1773 * flow.c (redirect_edge_and_branch,
1774 try_optimize_cfg): Use redirect_edge_succ_nodup
1775 (redirect_edge_succ_nodup): New.
1776 * basic_block.h (redirect_edge_succ_nodup): Declare.
1778 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1781 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1783 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1784 (try_crossjump_to_edge): Update commetns.
1785 (try_crossjump_bb): Likewise.
1787 2001-07-24 Richard Henderson <rth@redhat.com>
1789 * combine.c (distribute_notes): Move set of need_refresh
1790 for noop_move_p down to catch all cases.
1792 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1794 * recog.c (split_all_insns_noflow): New.
1795 * rtl.h (split_all_insns_noflow): Declare.
1796 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1797 * m68hc11.c (m68hc11_reorg): Likewise.
1798 * sh.c (machine_dependent_reorg): Likewise.
1799 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1802 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1804 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1805 (ashlsi3_n splitter): Likewise.
1806 (lshrsi3_n splitter): Likewise.
1808 (GOTaddr2picreg): Make const SImode.
1809 (sym_label2reg): Likewise.
1810 (symGOT2reg): Likewise.
1811 (symGOTOFF2reg) Likewise.
1813 (casesi_worker_0): Make unspec SImode.
1815 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1817 * config/sh/sh.c (barrier_align): Check that an operand really is
1818 an insn before extracting its INSN_CODE.
1820 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1822 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1825 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1826 for SImode to prevent overflow.
1828 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1830 * config/mips/irix6-libc-compat.c: New file.
1831 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1832 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1835 2001-07-24 lars brinkhoff <lars@nocrew.org>
1837 * rtl.texi (REG_POINTER): Document.
1838 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1839 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1841 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1843 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1845 2001-07-23 Richard Henderson <rth@redhat.com>
1847 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1849 2001-07-23 Kazu Hirata <kazu@hxi.com>
1851 * config/h8300/h8300-protos.h: Add a prototype for
1852 general_operand_dst_push.
1853 * config/h8300/h8300.c (general_operand_dst_push): New.
1854 * config/h8300/h8300.h (OK_FOR_T): New.
1855 (EXTRA_CONSTRAINT): Use it.
1856 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1857 the existing movqi pattern.
1858 (movhi_push): Likewise.
1860 * reload.c: Fix comment typos.
1862 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1864 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1866 2001-07-23 H.J. Lu (hjl@gnu.org)
1868 * doc/extend.texi: Update __builtin_return_address and
1869 __builtin_frame_address.
1871 2001-07-23 Richard Henderson <rth@redhat.com>
1873 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1875 * config/i386/i386.md: New setcc+movzbl peephole2.
1877 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1879 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1880 * objc/objc-act.c: Include debug.h.
1881 (synth_module_prologue): Save and restore debug hooks too.
1883 2001-07-23 lars brinkhoff <lars@nocrew.org>
1885 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1886 and C4X_FLOAT_FORMAT.
1887 (BOOL_TYPE_SIZE): Document.
1889 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1891 * unroll.c (loop_iterations): Fix miscalculation of initial
1894 2001-07-13 Andrew Haley <aph@redhat.com>
1896 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1897 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1898 * config/sh/sh.c (sh_can_redirect_branch): New function.
1899 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1900 * reorg.c (steal_delay_list_from_target): Use
1901 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1903 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1905 * flow.c (try_simplify_condjump): Unlink insn chain on
1906 fallthru edge; use can_fallthru.
1908 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1910 * basic-block.h (find_sub_basic_block): Declare.
1911 * flow.c (make_edges): New arguments MIN and MAX;
1912 (find_sub_basic_blocks): Revamp to use make_edges
1913 and purge_dead_edges.
1914 (find_basic_blocks): Update call of find_sub_basic_block.
1916 * recog.c (split_all_insns): Always expect CFG to be consistent;
1917 call find_sub_basic_blocks in case something has changed.
1918 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1921 * basic-block.h (delete_noop_moves): Declare.
1922 * combine.c (combine_instructions): Call it.
1923 (recog_for_combine): Tolerate noop moves
1924 (distribute_notes): Force refresh when register dies at noop move.
1925 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1927 (life_analysis): Update delete_noop_moves call.
1928 (set_noop_p): Move too ...
1929 * rtlanal.c (noop_move_p): ... here.
1930 * rtl.h (noop_move_p): Declare.
1932 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1933 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1935 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1936 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1938 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1940 * reload.c (push_reload): Fix typo in comment.
1941 (find_reloads_address): Ditto.
1942 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1944 2001-07-22 Richard Henderson <rth@redhat.com>
1946 * flow.c: Grammar check and clarify a lot of comments.
1947 (try_simplify_condjump): Rename variables to be clearer.
1948 (try_forward_edges): Skip complex and fallthru edges.
1949 Rearrange tests to avoid duplicate checks.
1950 (flow_find_cross_jump): Likewise.
1951 (outgoing_edges_match): Allow match if neither branch has
1952 probability data. Loosen probability match to 5%.
1953 (try_crossjump_to_edge): Hoist repeated indirection into
1955 (try_crossjump_bb): Don't check complex edges. Eliminate
1956 redundant crossjump tests.
1957 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1958 checks before more expensive checks.
1960 2001-07-22 Richard Henderson <rth@redhat.com>
1962 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1963 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1966 2001-07-22 Richard Henderson <rth@redhat.com>
1968 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1969 (const_sint32_operand): Likewise.
1970 * m68k.md (anon mulsi pattern): Use const_int_operand not
1971 const_sint32_operand.
1972 (umulsi3_highpart): Zero extend a constant input.
1973 (smulsi3_highpart): Don't bother checking SImode constant.
1974 (const_umulsi3_highpart): Give op3 DImode.
1975 (const_smulsi3_highpart): Likewise.
1977 2001-07-22 Richard Henderson <rth@redhat.com>
1979 * flow.c (split_block): Make sure bb_note is included in the
1980 new block when splitting before a label.
1982 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1984 * basic-block.h (redirect_edge_and_branch_force,
1985 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1986 * flow.c (redirect_edge_and_branch_force,
1987 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1988 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1989 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1990 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1991 instead of label; update CFG after transformation.
1992 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1993 for finishing the transformation; handle even case where ELSE
1994 does not follow THEN.
1995 (find_if_case_2): Update call of dead_or_predictable; simplify
1998 * emit-rtl.c (split_branch_probability): New global variable.
1999 (try_split): Take care to set split_branch_probability and
2000 create REG_BR_PROB note for new jump insns.
2001 * md.texi (define_split): Document new feature.
2003 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2005 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2007 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2008 (asm_out_file): Remove redundant declaration.
2009 (assemble_asm): Remove old #if 0 block.
2010 (assemble_variable): Remove end of function; debug output is
2011 now handled with global_decl. Remove old #if 0 block. Update.
2012 Remove saved_in_section and associated no-op code.
2013 * Makefile.in (varasm.o): Correct dependencies.
2015 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2017 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2018 the definition in defaults.h.
2020 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2022 * jump.c: Update comments.
2023 (delete_barrier_successors, delete_unreferenced_labels,
2024 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2025 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2026 jump_optimize, jump_optimize_minimal): Kill.
2027 (rebuild_jump_labels): Move code from jump_optimize_1.
2028 (purge_line_number_notes): Likewise.
2029 (copy_loop_headers): Likewise.
2030 * reg-stack.c: Update comment.
2032 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2033 JUMP_AFTER_REGSCAN): Kill.
2034 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2035 purge_line_number_notes and copy_loop_headers.
2037 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2038 Richard Henderson <rth@redhat.com>
2040 * dbxout.c (dbxout_global_decl): New.
2041 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2042 * sdbout.c (sdbout_finish): New.
2043 (sdbout_debug_hooks): Use it, add comments.
2044 (sdbout_global_decl): Defer initialised public vars to
2046 * varasm.c (assemble_variable): Don't output debug information
2047 for file-scope variables.
2049 2001-07-22 Richard Henderson <rth@redhat.com>
2051 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2052 (get_round_mode_suffix): New.
2053 (print_operand): Use them for [/]. Remove support for [&'`()+].
2054 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2055 * config/alpha/alpha.md (attr round_suffix): New.
2056 (attr trap_suffix): New.
2057 (all insns): Set them appropriately. Use %/ instead of the
2060 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2062 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2064 2001-07-22 Richard Henderson <rth@redhat.com>
2066 * regrename.c (regrename_optimize): Compute nregs for each
2067 potential target register.
2069 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2070 Richard Henderson <rth@redhat.com>
2072 * dbxout.c (dbxout_global_decl): New.
2073 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2074 * sdbout.c (sdbout_finish): New.
2075 (sdbout_debug_hooks): Use it, add comments.
2076 (sdbout_global_decl): Defer initialised public vars to
2078 * varasm.c (assemble_variable): Don't output debug information
2079 for file-scope variables.
2081 2001-07-21 H.J. Lu (hjl@gnu.org)
2083 * config/mips/mips.c (mips_cpu): Moved into ...
2084 (override_options): Here.
2086 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2088 (mips_cpu): Removed.
2090 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2092 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2093 ("iorqi3"): Likewise.
2094 ("xorqi3"): Likewise.
2095 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2096 ("*subhi3_sp): Likewise.
2097 ("*subhi3"): Likewise.
2098 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2101 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2103 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2104 * config/freebsd.h: Likewise.
2105 * config/linux.h: Likewise.
2106 * config/openbsd.h: Likewise.
2107 * config/alpha/linux-elf.h: Likewise.
2108 * config/arm/linux-elf.h: Likewise.
2109 * config/d30v/d30v.h: Likewise.
2110 * config/fr30/fr30.h: Likewise.
2111 * config/ia64/aix.h: Likewise.
2112 * config/ia64/ia64.h: Likewise.
2113 * config/mips/linux.h: Likewise.
2114 * config/pj/pj.h: Likewise.
2115 * config/rs6000/linux.h: Likewise.
2116 * config/sparc/linux.h: Likewise.
2117 * config/sparc/linux64.h: Likewise.
2119 2001-07-20 Bruce Korb <bkorb@gnu.org>
2121 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2122 because getc() and char* may disagree on signedness.
2124 2001-07-20 Richard Henderson <rth@redhat.com>
2126 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2128 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2129 insns to delete in the presence of cc0 in a jump insn.
2131 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2132 Jan Hubicka <jh@suse.cz>
2134 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2135 of doing the change by hand.
2137 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2139 * rtlanal.c (set_noop_p): Return true for noop jumps.
2141 * expr.c (emit_single_push_insn): Add call to push expander.
2142 * expr.h (optab_index): Add OTI_push
2143 (push_optab): New constant.
2144 * genopinit.c (optabs): Add push_optab.
2145 * optabs.c (init_optab): Init push optab.
2146 * md.texi (push??1): Document
2148 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2150 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2151 expand to emit the pattern; put a REG_INC note for push/pop
2153 ("movdf", "movdf_internal"): Likewise.
2154 ("movsi", "movsi_internal"): Likewise.
2155 ("movsf", "movsf_internal"): Likewise.
2156 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2158 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2160 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2163 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2165 * params.def: Change default max inline insns to 100.
2167 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2169 * combine.c (combine_simplify_rtx): Generate a new shift operation
2170 when simplifying the first operand of a (neg (ashift)) expression.
2172 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2174 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2176 2001-07-20 Kelley Cook <kelley.cook@home.com>
2178 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2179 information. Move rest into ...
2180 (*-*-solaris): ... here. Eliminate redundant information and
2181 reword necessary packages section. Delete 4.x assembler bug info.
2182 (sparc-sun-*): Merge into ...
2183 (sparc-sun-sunos*): here.
2185 2001-07-20 Catherine Moore <clm@redhat.com>
2187 * config/v850/v850.md (casesi): Generate LABEL_REF
2190 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2192 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2193 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2194 * i386.md (strclrsi expander): Use it.
2196 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2198 * integrate.c (copy_insn_list): handle
2199 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2200 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2201 identically as to CODE_LABEL.
2203 * fold-const (fold): Convert A/B/C to A/(B*C) and
2206 * except.c (connect_post_landing_pads): Delete the RESX insns.
2208 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2210 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2212 * config/mips/mips.md (nmadd/nmsub): Use macro.
2214 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2216 * cppinit.c (remove_dup_dir): Make static.
2217 (remove_dup_dirs): Make static. Only warn about preempting a
2218 system directory with a non-system directory.
2220 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2222 * ifcvt.c (noce_try_store_flag_constants): Correct order
2223 of parameters to trunc_int_for_mode.
2225 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2227 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2228 an exception that will be caught within this function, do not fill
2229 its delay slot with any subsequent instruction.
2231 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2233 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2234 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2235 pointer extension instruction.
2236 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2237 * simplify-rtx.c (simplify_unary_operation) Likewise.
2238 * explow.c (convert_memory_address) Check value of
2239 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2241 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2242 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2243 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2244 Add Multilib Support.
2245 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2246 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2247 Add Multilib Support.
2248 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2250 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2251 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2252 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2254 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2256 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2257 old and new operands in `<', `3' and `b'.
2259 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2261 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2262 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2263 (toplev.o): Don't depend on xcoffout.h.
2264 * c-decl.c: Include debug.h
2265 (duplicate_decls): Use debug hook.
2266 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2267 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2268 (dbxout_types): Remove.
2269 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2270 * debug.c (do_nothing_debug_hooks): Update.
2271 (debug_true_tree, debug_nothing_rtx): New.
2272 * debug.h (struct rtx_def): New.
2273 (struct gcc_debug_hooks): New hooks ignore_block,
2274 outlining_inline_function and label.
2275 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2276 dwarf2out_frame_finish): New.
2277 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2278 Make static, update prototype.
2279 (dwarf2_debug_hooks): Update.
2280 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2281 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2282 * dwarfout.c (dwarf_debug_hooks): Update.
2283 * emit-rtl.c: Include debug.h.
2284 (remove_unnecessary_notes): Use debug hook.
2285 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2286 (final_scan_insn): Use debug hook.
2287 * integrate.c (output_inline_function): Use debug hook.
2288 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2289 (sdb_debug_hooks): Update.
2290 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2291 * toplev.c: Don't include xcoffout.h.
2292 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2293 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2295 * tree.h (dwarf2out_do_frame): Remove.
2297 2001-07-19 Catherine Moore <clm@cygnus.com>
2299 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2301 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2303 * reload1.c (eliminate_regs_in_insn): When updating a set
2304 to the frame pointer to the hardware frame pointer, perform
2305 the update always not just when REPLACE is set.
2307 * reload1.c (choose_reload_regs): Don't inherit a reload
2308 that crosses multiple registers if registers past the first
2309 don't fit in the desired class.
2311 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2312 when negating constants.
2314 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2316 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2317 * doc/tree.texi: Ditto.
2319 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2320 Jakub Jelinek <jakub@redhat.com>
2322 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2323 (extract_cie_info): Handle "eh" augmentation properly,
2325 (struct frame_state, __frame_state_for): New.
2327 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2329 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2330 HANDLE_SYSV_PRAGMA): Define.
2331 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2333 (copy_object): Caller changed.
2335 2001-07-19 Andreas Schwab <schwab@suse.de>
2337 * configure.in (assembler dwarf2 debug_line support): Define nop
2339 * configure: Regenerated.
2341 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2343 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2345 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2346 to conditionally compiled block.
2347 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2348 * dbxout.h (dbxout_function): Remove.
2349 * debug.c (do_nothing_debug_hooks): Update.
2350 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2351 global_decl, deferred_inline_function.
2352 * dwarf2out.c (dwarf2_debug_hooks): Update.
2353 (dwarf2out_global_decl): New.
2354 * dwarfout.c: Don't include dwarfout.h.
2355 (dwarfout_global_decl, dwarfout_function_decl,
2356 dwarfout_deferred_inline_function): New.
2357 (dwarf_debug_hooks): Update.
2358 * dwarfout.h: Remove.
2359 * final.c: Don't include dwarfout.h.
2360 * sdbout.c (sdbout_global_decl): New.
2361 (sdbout_debug_hooks): Update.
2362 * toplev.c: Don't include dwarfout.h.
2363 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2364 (note_deferral_of_defined_inline_function): Remove.
2365 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2366 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2367 * ch/lex.c: Don't include dwarfout.h.
2368 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2369 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2370 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2371 * cp/optimize.c: Include debug.h.
2372 (maybe_clone_body): Use debug hook.
2373 * cp/semantics.c: Include debug.h.
2374 (expand_body): Use debug hook.
2375 * po/POTFILES.in: Remove dwarfout.h.
2377 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2379 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2380 * c-parse.in (yyerror, _yylex): Similarly.
2381 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2382 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2384 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2385 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2387 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2389 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2390 in-class declaration at -g1. Fixes c++/2814.
2392 2001-07-18 Richard Henderson <rth@redhat.com>
2394 * doc/md.texi (reload_in/out): Document restrictions in predicates
2395 and constraints for these patterns. Document empty string matching
2398 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2400 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2402 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2404 * cse.c: Undo my previous patch.
2406 2001-07-18 Tom Tromey <tromey@redhat.com>
2409 * configure: Rebuilt.
2410 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2412 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2414 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2415 Jan Hubicka <jh@suse.cz>
2417 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2418 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2419 * jump.c (mark_jump_label): Do not forward branches.
2421 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2423 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2424 when return value is unused.
2426 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2428 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2430 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2432 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2433 on error. We can't blindly return the result of
2434 pthread_mutex_trylock because it returns a positive number on
2435 error, while we must return -1 on error.
2436 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2438 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2440 2001-07-18 Andreas Jaeger <aj@suse.de>
2442 * integrate.c (output_inline_function): Correct type of debug_hooks.
2444 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2446 * combine.c (combine_simplify_rtx): DIV can be treated
2447 associatively for floats if unsafe math optimisations are enabled.
2449 2001-07-17 Richard Henderson <rth@redhat.com>
2451 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2453 2001-07-17 Richard Henderson <rth@redhat.com>
2455 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2456 don't force the function address into a register.
2457 (expand_call, emit_library_call_value_1): Update callers.
2458 * builtins.c (expand_builtin_apply): Likewise.
2459 * expr.h (prepare_call_address): Update decl.
2461 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2463 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2465 * config/i386/chorus.h: Move up.
2466 * config/sparc/chorus.h: Likewise.
2467 * config/rs6000/chorus.h: Likewise.
2468 * config/chorus.h: Moved here.
2470 2001-07-17 Andreas Schwab <schwab@suse.de>
2472 * configure.in (assembler eh_frame optimization): Handle big
2474 * configure: Regenerated.
2476 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2478 * expr.c (epxand_expr): Convert divisions into multiplications by
2479 reciprocals if -ffast-math.
2481 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2483 * dbxout.c (dbxout_really_begin_function): Rename to
2484 dbxout_begin_function.
2485 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2486 (dbxout_begin_function): Remove.
2487 (dbxout_function): Update.
2488 (dbxout_source_line): Update prototype.
2489 * dbxout.h (dbxout_begin_function): Remove.
2490 * debug.c (do_nothing_debug_hooks): Update.
2491 (debug_nothing_tree): Update.
2492 (debug_nothing_charstar_rtx): Remove.
2493 * debug.h (union tree_node): Declare.
2494 (struct rtx_def): Remove.
2495 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2496 begin_function. Change source_line prototype.
2497 (debug_nothing_tree): New.
2498 (debug_nothing_charstar_rtx): Delete.
2499 (dwarf2out_begin_prologue): Moved from ...
2501 * dwarf2out.c (dwarf2_debug_hooks): Update.
2502 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2503 debug info, call dwarf2out_source_line.
2504 (dwarf2out_souce_line): Update prototype.
2505 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2506 Change prototype, make static.
2507 (dwarfout_source_line): Update prototype.
2508 (dwarf_debug_hooks): Update.
2509 * dwarfout.h (dwarfout_begin_function): Remove.
2510 * final.c (final_start_function, final_scan_insn): Use appropriate
2511 debug hooks, update to use notice_source_line.
2512 (output_source_line): Rename notice_source_line. Don't call the
2513 source_line debug hook.
2514 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2515 make static, update prototype.
2516 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2518 (sdbout_end_prologue): New.
2519 (sdbout_source_line): Update prototype.
2520 (sdbout_debug_hooks): Update.
2521 (sdbout_symbol): Remove unused var.
2522 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2524 * varasm.c: Include debug.h.
2525 (assemble_start_function): Use begin_function debug_hook.
2526 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2527 update with prototype.
2528 (xcoffout_source_line): Update prototype.
2529 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2531 (xcoffout_source_line): Update prototype.
2533 2001-07-17 Richard Henderson <rth@redhat.com>
2535 * c-typeck.c (build_binary_op): Do not shorten unsigned
2536 right shift after sign extension.
2538 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2540 * combine.c (combine_simplify_rtx): Attempt to simplify
2541 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2543 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2544 (simplify_binary_operation, simplify_unary_operation,
2545 simplify_relational_operation): Use it.
2547 * combine.c (combine_simplify_rtx): Don't do associative law
2548 on divisions; allow associative law on floats.
2550 2001-07-17 H.J. Lu <hjl@gnu.org>
2551 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2553 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2554 ASM_OUTPUT_WEAK_ALIAS are defined.
2555 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2556 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2558 * config/mips/iris5.h: ... here.
2559 (HANDLE_SYSV_PRAGMA): Defined as 1.
2560 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2561 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2564 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2566 * c-parse.in (all_prefix_attributes): New variable.
2567 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2568 (maybe_resetattrs): New production.
2569 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2570 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2571 notype_initdcl, nested_function, notype_nested_function,
2572 component_decl, components, components_notype,
2573 component_declarator, component_notype_declarator,
2574 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2575 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2576 after a comma being applied to more than one declarator.
2577 * doc/extend.texi (Attribute Syntax): Update. Remove
2578 documentation of bugs that are no longer present.
2580 2001-07-13 Eric Christopher <echristo@redhat.com>
2582 * config/mips/mips.h: Change TUNE_MIPS* options to use
2584 (EXTRA_SPECS): Add cc1_cpu_spec.
2585 * config/mips/mips.md (muldf3): Fix typo.
2587 2001-07-16 Richard Henderson <rth@redhat.com>
2589 * config/m68k/m68k.c: Include expr.h and reload.h.
2590 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2591 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2593 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2594 Richard Henderson <rth@redhat.com>
2596 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2597 (insn_live_p): Fix fall off end of function.
2598 (dead_libcall_p): Remove COUNTS argument; update callers.
2599 (delete_trivially_dead_insns): Remove unused variables.
2601 2001-07-17 Andreas Jaeger <aj@suse.de>
2603 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2606 * lcm.c (optimize_mode_switching): Avoid warning for unused
2607 variable if !NORMAL_MODE.
2609 * flow.c (try_crossjump_to_edge): Remove unused variable.
2611 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2613 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2614 atexit declaration in stdlib.h.
2616 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2618 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2620 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2622 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2623 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2624 do rebuild_jump_labels instead of jump_optimize
2625 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2626 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2627 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2629 * flow.c: Include timevar.h
2630 (find_basic_block): Push/pop timevar;
2631 (cleanup_cfg): Likewise.
2632 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2633 * Makefile: Add dependencies on timevar.h
2635 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2636 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2638 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2639 * toplev.c (rest_of_compilation): Update calls.
2640 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2641 (delete_trivially_dead_insns): ... here; accept new argument
2642 preserve_basic_blocks; preserve basic blocks if set.
2644 * reg-stack.c (stack_regs_mentioned): Return 0 if
2645 stack_regs_mentioned_data is not initialized.
2646 (reg_to_stack): Make stack_regs_mentioned survive after the
2647 reg-stack is completted; do not call cleanup_cfg.
2648 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2649 make cleanup_cfg after bb-reorder to output to debug file.
2651 2001-07-16 Richard Henderson <rth@redhat.com>
2653 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2654 from int_reg_class_contents.
2656 2001-07-16 Richard Henderson <rth@redhat.com>
2658 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2659 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2660 (init_reg_sets_1): Move initialization from cse_main.
2661 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2662 (cse_main): Move its initialization also.
2663 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2664 * flow.c (propagate_one_insn): Likewise.
2665 * gcse.c (compute_hash_table): Likewise.
2666 (compute_kill_rd, compute_store_table): Likewise.
2667 * sched-deps.c (sched_analyze_1): Likewise.
2669 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2671 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2674 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2676 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2677 in if statement so we don't access undefined memory.
2679 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2681 * gcse.c: Update comment at top.
2682 Update comment on mem handling.
2683 mem_last_set, mem_first_set, mem_set_in_block: gone.
2684 Declaration of reg_set_info: gone.
2685 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2686 pointless with load_killed_in_block_p (they are *more*
2687 conservative then it, not less, and less accurate).
2688 (oprs_not_set_p): Ditto.
2689 (alloc_gcse_mem): Don't allocate mem_set_in_block
2690 (free_gcse_mem): Don't free it, either.
2691 (record_last_mem_set_info): Update comment in front, remove
2692 mem_*set_* stuff. Note the reason we don't handle stores directly
2694 (compute_hash_table): Update comments to reflect reality. Remove
2695 mem_*set_* references.
2696 (reset_opr_set_tables): Remove mem_*set_* references.
2698 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2699 (mark_clobber): Ditto (on both parts, we double set here too).
2700 (expr_killed_p): Remove mem_set_in_block test.
2701 (compute_transp): Remove mem_set_in_block test.
2703 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2704 of edge, and removal of phi alternative to dump file.
2705 (ssa_ccp_substitute_constants): Add note about register now being
2706 constant, and which uses were replaced in what insns to dump file.
2708 2001-07-16 Andreas Jaeger <aj@suse.de>
2710 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2711 variables of type HOST_WIDEST_INT.
2713 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2714 (__bb_exit_func): Correct type of count_max to avoid overflow.
2715 (num_digits): Handle long long argument.
2717 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2719 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2721 * output.h (sdb_begin_function_line): Restore as an extern
2723 * sdbout.c (sdb_begin_function_line): Make extern.
2725 2001-07-15 Richard Henderson <rth@redhat.com>
2727 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2728 * genrecog.c (maybe_both_true_mode): New.
2729 (maybe_both_true_2): Use it.
2730 (write_switch): Don't put Pmode in a switch.
2731 * rtl.c (mode arrays): Don't explicitly size them.
2733 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2735 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2736 handling; move unconditional splitting before mode switching.
2738 * i386.md (type): Add fistp type.
2739 (i387, length_attr, scheduling definitions): Handle this type.
2740 (fix_trunc?f?i2): Revamp to use mode switching.
2741 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2742 * i386.h (fp_cw_mode): New enum
2743 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2744 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2746 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2748 * Makefile.in (integrate.o): Add debug.h.
2749 * integrate.c (debug.h): Add.
2750 (output_inline_function): Save, reset, and restore debug_hooks.
2752 2001-07-15 Richard Henderson <rth@redhat.com>
2754 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2755 instead of COMPARE for the EQUIV expression.
2757 2001-07-15 Richard Henderson <rth@redhat.com>
2759 * flow.c (redirect_edge_and_branch_force): Initialize
2760 global_live_at_start and global_live_at_end.
2761 (allocate_bb_life_data): Export.
2762 * basic-block.h (allocate_bb_life_data): Declare.
2763 * toplev.c (rest_of_compilation): Call it.
2765 2001-07-15 Richard Henderson <rth@redhat.com>
2767 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2768 (alpha_tablejump_best_label): New.
2769 * config/alpha/alpha-protos.h: Declare them.
2770 * config/alpha/alpha.md: Use braced strings for code blocks.
2771 (tablejump_osf): Break out add with r29.
2772 (tablejump_osf_internal): Remove.
2773 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2774 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2776 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2778 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2781 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2783 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2784 (ix86_fp_jump_nontrivial_p): New.
2785 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2786 use ix86_fp_jump_nontrivial_p.
2787 * i386.c (ix86_fp_jump_nontrivial_p): New.
2788 (ix86_split_fp_branch): Accept code instead of rtx.
2789 (ix86_expand_compare): Expand comparison early in case
2790 doing so is resonably cheap.
2792 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2794 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2796 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2797 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2799 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2801 * dbxout.c (dbxout_source_line): Make static, update prototype.
2802 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2803 (dbxout_init, dbxout_finish, dbxout_source_line,
2804 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2805 * dbxout.h (dbxout_source_line): Delete.
2806 * debug.c (debug_nothing_file, debug_nothing_file_int,
2807 debug_nothing_file_charstar_rtx): New.
2808 (do_nothing_debug_hooks): Update.
2809 (debug_nothing_void, debug_nothing_charstar_rtx,
2810 dwarf2out_end_epilogue): New.
2811 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2812 * debug.h (struct rtx_def): Declare.
2813 (gcc_debug_hooks): New hooks source_line, end_epilogue
2815 (debug_nothing_void, debug_nothing_charstar_rtx,
2816 dwarf2out_end_epilogue): New.
2817 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2818 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2819 (dwarf2_debug_hooks): Update.
2820 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2821 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2822 * dwarf2out.h (dwarf2out_source_line): Remove.
2823 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2824 Make static, update prototype.
2825 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2826 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2827 (dwarf_debug_hooks): Update.
2828 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2829 dwarfout_end_function): Remove.
2830 * final.c (profile_function): Use debug hooks for ending functions
2832 (output_source_line, final_end_function): Update prototype,
2834 (final_start_function, final_scan_insn): Update.
2835 * output.h (sdb_begin_function_line): Remove.
2836 (final_end_function): Update prototype.
2837 * sdbout.c (sdb_begin_function_line): Make static.
2838 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2839 (sdbout_source_line): New.
2840 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2842 (sdb_debug_hooks): Update.
2843 (sdbout_init, sdbout_source_line,
2844 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2845 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2846 * toplev.c (compile_file, rest_of_compilation): Update.
2847 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2848 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2849 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2850 Update for prototype changes.
2851 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2852 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2854 2001-07-15 Richard Henderson <rth@redhat.com>
2856 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2857 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2858 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2859 * config/alpha/alpha.c: Likewise.
2860 * config/alpha/alpha.md: Likewise.
2861 * config/alpha/alpha32.h: Likewise.
2862 * config/alpha/vms.h: Likewise.
2865 2001-07-14 Richard Henderson <rth@redhat.com>
2867 * config/alpha/alpha.md: Use define_constants for unspec values.
2868 Substitute throughout.
2870 2001-07-14 Tim Josling <tej@melbpc.org.au>
2872 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2874 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2876 * pa.md: Remove unused constraints from define_split's.
2878 2001-04-14 Richard Henderson <rth@redhat.com>
2880 * ifcvt.c (find_cond_trap): Test for exit block.
2882 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2884 Re-install recently reverted patch.
2885 * emit-rtl.c (try_split): Update mark_jump_label call.
2886 * flow.c (find_sub_basic_blocks): Likewise.
2887 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2889 (mark_all_labels): Kill second parameter.
2890 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2891 (rebuild_jump_labels, jump_optimize_minimal): Update call
2893 (jump_optimize_1): Kill crossjumping code.
2894 (mark_jump_label): Kill cross_jump parameter.
2895 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2896 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2897 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2899 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2901 (dump_file_info): Likewise.
2902 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2903 reorganize passes to do reg-stack first, bb-reorder second.
2904 * invoke.texi (-d letters doc): Remove the jump2 pass.
2906 2001-07-14 Richard Henderson <rth@redhat.com>
2908 * ifcvt.c (find_cond_trap): New.
2909 (find_if_header): Call it.
2910 (merge_if_block): Relax existing jump sanity check.
2911 * jump.c (jump_optimize_1): Remove conditional trap handling.
2913 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2915 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2917 (insn_refs_are_delayed): Correct comment.
2918 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2919 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2920 instead of r31. Make associated insn !TARGET_64BIT, and
2921 provide an additional 64-bit insn that clobbers r2.
2923 (udivsi3): Likewise.
2925 (umodsi3): Likewise.
2927 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2929 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2931 * flow.c (redirect_edge_and_branch_force, split_edge,
2932 try_crossjump_to_edge): Use set_block_for_new_insns.
2933 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2935 2001-07-13 H.J. Lu (hjl@gnu.org)
2937 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2940 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2942 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2944 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2946 * c-common.c (decl_attributes): Take a pointer to the node to
2947 which attributes are to be attached, and a flags argument.
2948 * c-common.h (enum attribute_flags): New.
2949 (decl_attributes): Update prototype.
2950 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2951 finish_enum, start_function): Update calls to decl_attributes.
2952 * c-parse.in (component_declarator, component_notype_declarator,
2953 label): Update calls to decl_attributes.
2955 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2957 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2958 * config/avr/avr.c (legitimate_address_p): Return value changed
2959 from letter to register classes. For better debugging.
2961 2001-07-13 Kazu Hirata <kazu@hxi.com>
2963 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2965 2001-07-13 H.J. Lu (hjl@gnu.org)
2967 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2969 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2971 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2972 correctly for shared configurations.
2973 * config/t-libgcc-pic: New.
2974 * config/{i386,m68k,sparc}/t-openbsd: New.
2975 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2976 Support -shared. Support debugging libraries with -g.
2977 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2978 frame information does not emit pointer diffs.
2979 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2982 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2984 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2986 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2988 * combine.c (try_combine): Ensure const_int pow2 is positive.
2990 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2992 * config.gcc: Add configuration for s/390.
2993 * config/s390/s390.c: New. Subroutines for code generation.
2994 * config/s390/s390.h: New. Definitions for s/390.
2995 * config/s390/s390-protos.h: New. Prototypes.
2996 * config/s390/linux.h: New. Definitions for linux for s/390.
2997 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2998 * config/s390/t-linux: New. Makefile fragment.
2999 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3000 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3002 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3004 * emit-rtl.c (try_split): Update mark_jump_label call.
3005 * flow.c (find_sub_basic_blocks): Likewise.
3006 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3008 (mark_all_labels): Kill second parameter.
3009 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3010 (rebuild_jump_labels, jump_optimize_minimal): Update call
3012 (jump_optimize_1): Kill crossjumping code.
3013 (mark_jump_label): Kill cross_jump parameter.
3014 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3015 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3016 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3018 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3020 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3021 reorganize passes to do reg-stack first, bb-reorder second.
3022 * invoke.texi (-d letters doc): Remove the jump2 pass.
3024 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3026 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3028 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3030 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3032 (verify_flow_info): Make diagnostics prettier.
3034 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3036 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3038 * flow.c (outgoing_edges_match): Return early if condition reversal
3041 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3043 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3044 (mips_move_2words): When splitting a move into two instructions,
3045 prefix the second address operand with '%D'.
3047 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3049 * Makefile.in (final.o): Depend on debug.h.
3050 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3051 (dbx_debug_hooks): Add new hooks.
3052 (xcoff_debug_hooks): New.
3053 * debug.c (debug_nothing_file_int_int): New.
3054 (do_nothing_debug_hooks): Update.
3055 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3056 (debug_nothing_file_int_int): New.
3057 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3058 static, update prototype.
3059 (dwarf2_debug_hooks): Update.
3060 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3061 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3062 static, update prototype.
3063 (dwarf_debug_hooks): Update.
3064 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3065 * final.c: Include debug.h.
3066 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3067 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3068 static, update prototype.
3069 (sdb_debug_hooks): Update.
3070 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3071 * toplev.c: Distinguish between xcoff and dbx.
3073 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3074 Call all debug hooks, not just dwarf ones.
3076 2001-07-11 Timothy Wall <twall@redhat.com>
3078 * config.gcc: Add configuration for AIX5/IA64.
3079 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3080 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3081 support prefix/suffix code.
3082 * config/ia64/t-aix: New. Makefile fragment.
3083 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3085 2001-07-11 Kazu Hirata <kazu@hxi.com>
3087 * recog.c (validate_change): Fix a comment typo.
3089 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3091 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3092 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3094 * dbxout.c (dbx_debug_hooks): Add new hooks.
3095 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3097 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3099 * dbxout.h (dbxout_start_new_source_file,
3100 dbxout_resume_previous_source_file): Delete.
3101 * debug.c (do_nothing_debug_hooks): Add new hooks.
3102 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3103 (debug_nothing_int_charstar, debug_nothing_int): New.
3104 * debug.h (gcc_debug_hooks): New hooks define, undef,
3105 start_source_file and end_source_file.
3106 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3107 (debug_nothing_int_charstar, debug_nothing_int): New.
3108 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3109 the conditionally compiled section.
3110 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3111 dwarf2out_define, dwarf2out_undef): Make static.
3112 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3113 dwarf2out_define, dwarf2out_undef): Remove.
3114 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3115 (dwarfout_start_source_file, dwarfout_end_source_file,
3116 dwarfout_define, dwarfout_undef): Make static.
3117 (dwarfout_start_source_file_check,
3118 dwarfout_end_source_file_check): New.
3119 (dwarfout_define, dwarfout_finish): Update.
3120 * dwarfout.h (dwarfout_start_new_source_file,
3121 dwarfout_resume_previous_source_file, dwarfout_define,
3122 dwarfout_undef): Remove.
3123 * sdbout.c (sdb_debug_hooks): Add new hooks.
3124 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3126 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3127 make static, take an arg.
3128 * sdbout.h (sdbout_start_new_source_file,
3129 sdbout_resume_previous_source_file): Delete.
3130 * toplev.c (debug_start_source_file, debug_end_source_file,
3131 debug_define, debug_undef): Delete.
3132 * toplev.h (debug_start_source_file, debug_end_source_file,
3133 debug_define, debug_undef): Delete.
3135 * java/jcf-parse.c: Include debug.h.
3136 (parse_class_file): Update to use debug hooks directly.
3137 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3139 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3141 * alias.c (set_mem_alias_set): New function.
3142 * rtl.h (set_mem_alias_set): Declare it.
3143 * builtins.c (expand_builtin_return_addr): Call it instead of
3144 using MEM_ALIAS_SET accessor.
3145 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3146 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3147 (expand_builtin_va_copy):Likewise.
3148 * caller-save.c (setup_save_areas): Likewise.
3149 * calls.c (compute_argument_addresses): Likewise.
3150 * explow.c (set_mem_attributes): Likewise.
3151 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3152 (expand_assignment, store_constructor_field, store_field): Likewise.
3153 (expand_expr_unaligned): Likewise.
3154 * function.c (assign_stack_temp_for_type): Likewise.
3155 (put_reg_into_stack, gen_mem_addressof): Likewise.
3156 * ifcvt.c (noce_try_cmove_arith): Likewise.
3157 * reload1.c (reload, alter_reg): Likewise.
3158 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3159 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3160 (alpha_expand_unaligned_store): Likewise
3161 (alpha_expand_unaligned_load_words): Likewise.
3162 (alpha_expand_unaligned_store_words): Likewise.
3163 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3164 (alpha_expand_epilogue): Likewise.
3165 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3166 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3167 * config/i386/i386.c (legitimize_pic_address): Likewise.
3168 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3169 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3170 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3171 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3172 * config/mips/mips.c (mips_va_arg): Likewise.
3173 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3174 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3175 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3176 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3177 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3178 (rs6000_emit_epilogue): Likewise.
3179 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3180 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3181 * config/v850/v850.c (v850_va_arg): Likewise.
3183 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3185 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3186 when fallthru edge is present.
3187 (mege_blocks): Handle case where creation of jump insn
3190 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3191 CLEANUP_POST_REGSTACK): New constants.
3192 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3193 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3194 * output.h (cleanup_cfg): Update prototype.
3195 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3196 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3197 cleanup_cfg call; kill missleading comment.
3198 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3199 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3200 parameter; control optimizations performed using it.
3201 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3202 try_crossjump_bb): New functions.
3204 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3206 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3208 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3209 pa_output_function_prologue.
3210 * pa-protos.h (pa_output_function_prologue): New prototype.
3212 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3214 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3215 and low to get correct sign extension in low+high test.
3217 2001-07-11 Janis Johnson <janis@us.ibm.com>
3219 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3220 for large hit count.
3222 * profile.c (branch_prob): Fix .bbg info for computed gotos
3225 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3227 * stmt.c (parse_output_constraint): New function, split out
3229 (expand_asm_operands): ... here. Use parse_output_constraint.
3230 * tree.h (parse_output_constraint): Declare it.
3232 2001-07-11 Richard Henderson <rth@redhat.com>
3234 * bitmap.c: Comment some functions; fiddle whitespace.
3235 (bitmap_free): Don't export.
3236 (bitmap_element_allocate): Use memset.
3237 * bitmap.h (bitmap_free): Don't declare.
3239 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3241 * gcse.c, lcm.c, sched-deps.c:
3242 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3244 * flow.c (flow_loops_find): Free dom if we found no loops, since
3245 we aren't going to save it.
3247 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3250 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3252 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3254 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3256 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3257 #ifndef DWARF2_DEBUGGING_INFO.
3259 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3261 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3263 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3265 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3266 reverse a branch if a NE comparison is implemented with GTU.
3268 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3269 H.J. Lu <hjl@gnu.org>
3271 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3273 (call_internal2): Likewise.
3274 (call_value_internal1): Likewise.
3275 (call_value_internal2): Likewise.
3276 (call_value_multiple_internal1): Likewise.
3277 (call_value_multiple_internal2): Likewise.
3279 2001-07-10 Kazu Hirata <kazu@hxi.com>
3281 * calls.c (emit_library_call_value_1): Fix a comment typo.
3282 * dwarf2out.c (mem_loc_descriptor): Likewise.
3283 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3285 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3287 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3289 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3291 * recog.c (offsettable_address_p): Handle LO_SUM case.
3292 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3293 instead of plus_constant.
3295 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3297 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3298 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3300 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3302 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3303 adjust_address_nv instead of plus_constant.
3305 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3307 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3308 dwarf2out.o): Depend on debug.h, wrap long lines.
3309 * dbxout.c: Include debug.h.
3310 (dbx_debug_hooks): New.
3311 (dbxout_init): Make static, take just 2 args.
3312 (dbxout_finish): Make static.
3313 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3314 * debug.c: New file.
3315 * debug.h: New file.
3316 * dwarf2out.c: Include debug.h.
3317 (dwarf2_debug_hooks): New.
3318 (dwarf2out_init): Make static.
3319 (dwarf2out_finish): Make static, take 2 args.
3320 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3321 * dwarfout.c: Include debug.h.
3322 (dwarf_debug_hooks): New.
3323 (dwarfout_init): Make static.
3324 (dwarfout_finish): Make static, take 2 args.
3325 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3326 * sdbout.c: Include debug.h.
3327 (sdb_debug_hooks): New.
3328 (sdbout_init): Make static, take 2 args.
3329 * sdbout.h (sdbout_init): Delete.
3330 * toplev.c: Include debug.h.
3332 (compile_file): Set deubg_hooks based on command line options.
3333 Use the hooks unconditionally rather than conditional compilation.
3335 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3337 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3338 first_insn_after_basic_block_note instead.
3340 * df.c (df_bb_refs_unlink): #if 0 out for now.
3342 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3344 * ssa.h: Add prototype for ssa_const_prop
3345 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3346 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3347 (ssa_fast_dce): Remove unused variable
3349 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3351 * diagnostic.c (finish_diagnostic): Rename to
3352 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3355 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3357 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3360 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3361 (dump_file): Only pad the demangled name with spaces if the
3362 mangled name was padded with spaces.
3364 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3366 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3369 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3371 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3372 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3375 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3376 whether can put offset inside LO_SUM to check mode alignment, not size.
3378 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3380 * doc/tm.texi (Misc): Fix thinko.
3382 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3384 * regmove.c (replace_in_call_usage): Fix warnings.
3385 * sched-deps.c (add_dependence): Fix warnings.
3386 * simplify-rtx.c (simplify_subreg): Likewise.
3387 Return NULL_RTX instead of NULL.
3389 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3390 (subst_asm_stack_regs): Likewise.
3392 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3395 * dwarf2out.c (output_call_frame_info): Declare i as int.
3396 (build_abbrev_table): Declare n_alloc as int.
3397 (dwarf2out_finish): Initialize die.
3398 * except.c: Declare sjlj_funcdef_number as unsigned.
3399 (connect_post_landing_pads): Declare j as unsigned.
3400 (convert_to_eh_region_ranges): Initialize call_site.
3401 (output_function_exception_table): Initialize tt_format_size.
3402 * expr.c (move_by_pieces_1): Initialize to1.
3403 (store_constructor): Initialize minelt and maxelt.
3404 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3405 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3407 * c-decl.c (combine_parm_decls): Unused, remove.
3408 * c-tree.h: Remove prototype for combine_parm_decls.
3410 * reload.c (push_reload): Fix warning.
3411 (regno_clobbered_p): Likewise.
3412 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3413 (reload_combine): Likewise.
3415 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3416 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3418 * bitmap.c (bitmap_operation): Change user.
3419 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3421 2001-07-10 Eric Christopher <echristo@redhat.com>
3423 * config/mips/mips.c (override_options): Fix typo.
3425 2001-07-09 Stan Shebs <shebs@apple.com>
3427 * target.h (struct gcc_target): New fields init_builtins and
3429 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3430 (TARGET_EXPAND_BUILTIN): New macro.
3431 (TARGET_INITIALIZER): Add them.
3432 * builtins.c: Include target.h.
3433 (expand_builtin): Use targetm.expand_builtin.
3434 (default_init_builtins): New function.
3435 (default_expand_builtin): New function.
3436 * expr.h (default_init_builtins): Declare.
3437 (default_expand_builtin): Declare.
3438 * c-common.c (c_common_nodes_and_builtins): Use
3439 targetm.init_builtins.
3440 * defaults.h (MD_INIT_BUILTINS): Remove.
3441 * Makefile.in (builtins.o): Depend on target.h.
3443 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3444 (TARGET_EXPAND_BUILTIN): Define.
3445 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3446 (MD_EXPAND_BUILTIN): Remove.
3448 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3449 (TARGET_EXPAND_BUILTIN): Define.
3450 (c4x_init_builtins): Make endlink arg a local.
3451 (c4x_print_operand): Fix typos in adjust_address usages.
3452 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3453 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3454 (MD_EXPAND_BUILTIN): Remove.
3456 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3457 (TARGET_EXPAND_BUILTIN): Define.
3458 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3459 (ix86_init_builtins): Call new function only if TARGET_MMX.
3460 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3461 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3462 (MD_EXPAND_BUILTIN): Remove.
3464 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3465 (TARGET_EXPAND_BUILTIN): Define.
3466 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3467 (MD_EXPAND_BUILTIN): Remove.
3469 * doc/tm.texi: Document these changes.
3471 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3473 * basic-block.h (tree_node): Forward declare if needed.
3474 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3475 (BLOCK_HEAD_TREE): Define.
3476 (BLOCK_END_TREE): Define.
3477 (struct loops): Rename field 'tree' to 'tree_root'.
3478 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3480 (flow_loops_tree_build): Rename reference to field 'tree' to
3482 (flow_loops_level_compute): Ditto.
3483 * predict.c (estimate_bb_frequencies): Ditto.
3484 * tree.h (struct tree_common): Add field 'aux'.
3486 2001-07-09 Stan Shebs <shebs@apple.com>
3488 * config/darwin.c (darwin_encode_section_info): Don't mark any
3489 DECL_EXTERNAL node as defined.
3491 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3493 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3494 pa_free_machine_status, hppa_init_pic_save): Delete.
3495 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3496 (hppa_profile_hook): Use hppa_pic_save_rtx.
3497 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3498 hppa_init_pic_save): Delete.
3499 (hppa_pic_save_rtx): Declare.
3500 * pa.md (call, call_value, sibcall, sibcall_value,
3501 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3503 2001-07-09 Kazu Hirata <kazu@hxi.com>
3505 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3506 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3508 2001-07-09 Andreas Jaeger <aj@suse.de>
3510 * output.h: Add declaration of final_forward_branch_p.
3512 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3514 * varray.c: Include errors.h for internal_error and trim_filename
3517 * Makefile.in (varray.o): Add errors.h.
3519 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3521 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3522 * optabs.c (have_add2_insn): Check whether the add insn chosen
3523 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3524 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3526 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3528 * Makefile.in (OBJS): Add ssa-ccp.o
3529 (ssa-ccp.o): Add dependencies.
3530 * toplev.c (DFI_ssa_ccp): New dump file enum.
3531 (dump_file): Add entry for dumping after SSA CCP.
3532 (flag_ssa_ccp): New flag variable.
3533 (f_options): Add -fssa-ccp.
3534 (rest_of_compilation): Run SSA CCP if requested.
3535 * timevar.def (TV_SSA_CCP): New timevar.
3536 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3537 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3538 Fix minor typo in SSA DCE documentation.
3539 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3540 Add documentation for new dump option. Renumber dump files
3543 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3545 * emit-rtl.c (gen_highpart_mode): New.
3546 * rtl.h (gen_highpart_mode): Declare.
3547 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3548 operand can be VOIDmode constant.
3550 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3552 * flow.c (redirect_edge_and_branch_force): New.
3553 (can_fallthru): Ensure that basic blocks are succeeding.
3554 (try_optimize_cfg): Do not delete basic block if it is the last one.
3556 * flow.c (try_redirect_by_replacing_jump): Do not remove
3557 jumps with side effects, unlink chain on fallthru edge;
3558 set block for new jump instruction; avoid basic block to
3559 over by line number note.
3561 * flow.c (try_simplify_condjump): Verify that the condjump
3562 is not always falling trought.
3565 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3567 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3568 (try_redirect_by_replacing_jump): Update properly the count
3569 and frequency information.
3571 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3573 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3574 address that is a LO_SUM specially.
3575 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3577 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3579 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3580 (operand_subword): Use them.
3581 (change_address_1): Renamed from change_address; new arg VALIDATE.
3582 * expr.h: Reflect above changes; change_address now macro.
3583 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3585 * cselib.c (add_mem_for_addr): Likewise.
3586 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3587 * regmove.c (try_apply_stack_adjustment): Likewise.
3588 * reload.c (push_reload, make_memloc): Likewise.
3589 * reload1.c (eliminate_regs): Likewise.
3590 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3591 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3593 * combine.c (make_extraction, simplify_shift_const): Likewise.
3594 (gen_lowpart_for_combine): Likewise.
3595 * cse.c (gen_lowpart_if_possible): Likewise.
3596 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3597 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3598 * optabs.c (gen_move_insn): Likewise.
3599 * reload1.c (alter_reg): Likewise.
3600 * simplify-rtx.c (simplify_subreg): Likewise.
3601 * stmt.c (expand_anon_union_decl): Likewise.
3602 * recog.c (validate_replace_rtx_1): Likewise.
3604 * Makefile.in (recog.o): Add $(EXPR_H).
3605 * explow.c (stabilize): Call replace_equiv_address.
3606 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3607 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3609 2001-07-03 Andrew Haley <aph@redhat.com>
3611 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3612 the mode of the memory location.
3614 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3616 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3618 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3620 * final.c (output_addr_const): Use target opening and
3621 closing parentheses.
3622 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3623 defaults, add to TARGET_ASM_OUT.
3624 * target.h (struct gcc_target): Add open_paren and close_paren.
3625 * doc/md.texi: Update.
3626 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3627 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3628 TARGET_ASM_CLOSE_PAREN.
3629 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3631 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3633 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3634 * config/a29k/a29k.h: Similarly.
3635 * config/alpha/alpha.h: Similarly.
3636 * config/arc/arc.h: Similarly.
3637 * config/arm/aof.h: Similarly.
3638 * config/arm/aout.h: Similarly.
3639 * config/avr/avr.h: Similarly.
3640 * config/c4x/c4x.h: Similarly.
3641 * config/clipper/clipper.h: Similarly.
3642 * config/convex/convex.h: Similarly.
3643 * config/d30v/d30v.h: Similarly.
3644 * config/dsp16xx/dsp16xx.h: Similarly.
3645 * config/elxsi/elxsi.h: Similarly.
3646 * config/fr30/fr30.h: Similarly.
3647 * config/h8300/h8300.h: Similarly.
3648 * config/i370/i370.h: Similarly.
3649 * config/i386/i386.h: Similarly.
3650 * config/i860/i860.h: Similarly.
3651 * config/i960/i960.h: Similarly.
3652 * config/ia64/ia64.h: Similarly.
3653 * config/m32r/m32r.h: Similarly.
3654 * config/m68hc11/m68hc11.h: Similarly.
3655 * config/m68k/m68k.h: Similarly.
3656 * config/m88k/m88k.h: Similarly.
3657 * config/mcore/mcore.h: Similarly.
3658 * config/mips/mips.h: Similarly.
3659 * config/mn10200/mn10200.h: Similarly.
3660 * config/mn10300/mn10300.h: Similarly.
3661 * config/ns32k/ns32k.h: Similarly.
3662 * config/pa/pa.h: Similarly.
3663 * config/pdp11/pdp11.h: Similarly.
3664 * config/pj/pj.h: Similarly.
3665 * config/romp/romp.h: Similarly.
3666 * config/rs6000/rs6000.h: Similarly.
3667 * config/sh/sh.h: Similarly.
3668 * config/sparc/sparc.h: Similarly.
3669 * config/v850/v850.h: Similarly.
3670 * config/vax/vax.h: Similarly.
3671 * config/we32k/we32k.h: Similarly.
3673 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3675 * doc/c-tree.texi: Document representation of attributes.
3677 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3679 * doc/tm.texi: Update some places for the rename of target to
3682 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3684 * target.h (struct gcc_target): Add insert_attributes.
3685 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3686 (TARGET_INITIALIZER): Update.
3687 * tree.c, tree.h (default_insert_attributes): New function.
3688 Update comments on other default functions to refer to targetm,
3690 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3691 TARGET_INSERT_ATTRIBUTES.
3692 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3693 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3694 Don't use PRAGMA_INSERT_ATTRIBUTES.
3695 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3696 * c-decl.c (start_decl, start_function): Don't call
3697 SET_DEFAULT_DECL_ATTRIBUTES.
3698 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3699 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3701 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3702 (c4x_check_attribute): Avoid modifying attribute list itself.
3703 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3705 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3706 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3708 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3709 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3711 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3712 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3714 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3715 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3716 Adjust parameters. Make static.
3718 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3720 * c-common.c (decl_attributes): Only take a single attributes
3722 * c-common.h (decl_attributes): Update prototype.
3723 * c-decl.c (start_decl, start_function): Only take a single
3724 attributes parameter. Update calls to decl_attributes.
3725 (finish_struct, finish_enum): Update calls to decl_attributes.
3726 (push_parm_decl): Expect unified list of attributes. Update call
3728 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3729 notype_nested_function, component_declarator,
3730 component_notype_declarator, label): Update calls to
3732 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3733 lists that are passed to push_parm_decl.
3734 * c-tree.h (start_function, start_decl): Update prototypes.
3735 * config/sh/sh-protos.h, config/sh/sh.c
3736 (sh_pragma_insert_attributes): Only take a single attributes
3738 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3739 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3740 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3741 build_module_descriptor, generate_static_references,
3742 generate_strings, build_selector_translation_table,
3743 generate_descriptor_table, generate_protocols,
3744 generate_ivars_list, generate_dispatch_table,
3745 generate_protocol_list, generate_category,
3746 generate_shared_structures, really_start_method, add_objc_decls,
3747 generate_classref_translation_entry): Update calls to start_decl
3749 (build_tmp_function_decl, start_method_def): Unify attribute lists
3750 that are passed to push_parm_decl.
3752 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3754 * final.c (no_asm_to_stream): New.
3755 (final_scan_insn): Use target structures for prologue ends
3756 and epilogue starts.
3757 * output.h (no_asm_to_stream): New.
3758 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3759 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3760 (TARGET_ASM_OUT): Update.
3761 * target.h (struct gcc_target): New members function_end_prologue
3762 and function_begin_epilogue.
3763 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3764 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3765 * config/alpha/alpha.c (output_end_prologue): Rename to
3766 alpha_output_function_end_prologue. Use in target struct
3768 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3769 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3770 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3771 ia64_output_function_end_prologue. Use in target struct
3773 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3774 mistyped prototypes.
3775 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3776 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3778 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3779 an use in target struct, make static.
3780 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3783 2001-07-08 Richard Henderson <rth@redhat.com>
3785 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3787 2001-07-08 Richard Henderson <rth@redhat.com>
3789 * config/i386/i386.md: Remove constraints strings from define_split
3790 and define_peephole2 patterns.
3791 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3792 (eh_return): Use them.
3794 2001-07-08 Richard Henderson <rth@redhat.com>
3796 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3797 Document MD_FALLBACK_FRAME_STATE_FOR.
3799 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3801 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3802 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3804 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3806 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3808 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3809 of the label inside NAME as opposed to just the end of NAME.
3811 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3813 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3814 * config/alpha/alpha.c (alpha_init_machine_status,
3815 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3816 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3817 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3818 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3820 2001-07-06 Stan Shebs <shebs@apple.com>
3822 * target.h (targetm): Rename global from "target", so as not to
3823 conflict with local variables.
3825 * c-typeck.c: Ditto.
3829 * cp/decl2.c: Ditto.
3830 * cp/typeck.c: Ditto.
3831 * 1750a/1750a.c: Ditto.
3832 * a29k/a29k.c: Ditto.
3836 * clipper/clipper.c: Ditto.
3837 * convex/convex.c: Ditto.
3838 * d30v/d30v.c: Ditto.
3839 * dsp16xx/dsp16xx.c: Ditto.
3840 * elxsi/elxsi.c: Ditto.
3841 * fr30/fr30.c: Ditto.
3842 * h8300/h8300.c: Ditto.
3843 * i370/i370.c: Ditto.
3844 * i386/i386.c: Ditto.
3845 * i860/i860.c: Ditto.
3846 * i960/i960.c: Ditto.
3847 * ia64/ia64.c: Ditto.
3848 * m32r/m32r.c: Ditto.
3849 * m68hc11/m68hc11.c: Ditto.
3850 * m68k/m68k.c: Ditto.
3851 * m88k/m88k.c: Ditto.
3852 * mips/mips.c: Ditto.
3853 * ns32k/ns32k.c: Ditto.
3855 * pdp11/pdp11.c: Ditto.
3856 * romp/romp.c: Ditto.
3857 * rs6000/rs6000.c: Ditto.
3859 * sparc/sparc.c: Ditto.
3861 * we32k/we32k.c: Ditto.
3862 * doc/tm.texi: Update the manual to match.
3864 2001-07-06 Richard Henderson <rth@redhat.com>
3866 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3867 DWARF2_UNWIND_INFO not just whether it is defined.
3869 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3871 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3872 call to simplify_binary_operation returns a new pattern.
3874 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3876 * glimits.h (__SHRT_MAX__): New.
3877 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3878 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3880 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3882 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3885 2001-07-06 Richard Henderson <rth@redhat.com>
3887 * bitmap.c (bitmap_release_memory): Move adjacent to the
3888 allocation functions.
3889 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3890 the implementation. Binary search for the set bit.
3891 (bitmap_union_of_diff): Allocate the temporary on the stack
3892 instead of using xmalloc.
3894 2001-07-06 Richard Henderson <rth@redhat.com>
3896 * genrecog.c (validate_pattern): Warn for constraints in
3897 define_{expand,split,peephole2}. Remove strict_low_part
3898 before looking up match_dup.
3900 2001-07-06 DJ Delorie <dj@redhat.com>
3902 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3903 chapter about various build hints and history. Add section
3904 talking about the various types of native and cross builds.
3906 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3908 * Makefile.in (final.o): Depend on target.h.
3909 * final.c: Include target.h.
3910 (default_function_pro_epilogue): New.
3911 (final_start_function): Use target structure for function prologues.
3912 (final_end_function): Use target structure for function epilogues.
3913 * fold-const.c (real_hex_to_f): Constify s and p.
3914 * output.h (default_function_pro_epilogue): New.
3915 * real.h (real_hex_to_f): Update prototype.
3916 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3917 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3918 (TARGET_INITIALIZER): Update.
3919 * target.h (gcc_target): Add struct asm_out.
3920 * doc/tm.texi: Update.
3923 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3924 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3925 in cpu/cpu.c, or rename old functions consistently. Take
3926 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3927 redundant macros and prototypes. Make new functions static.
3929 * 1750a/1750a.c: Similarly.
3930 * 1750a/1750a.h: Similarly.
3931 * a29k/a29k-protos.h: Similarly.
3932 * a29k/a29k.c: Similarly.
3933 * a29k/a29k.h: Similarly.
3934 * arc/arc-protos.h: Similarly.
3935 * arc/arc.c: Similarly.
3936 * arc/arc.h: Similarly.
3937 * arm/arm-protos.h: Similarly.
3938 * arm/arm.c: Similarly.
3939 * arm/arm.h: Similarly.
3940 * avr/avr-protos.h: Similarly.
3941 * avr/avr.c: Similarly.
3942 * avr/avr.h: Similarly.
3943 * clipper/clipper-protos.h: Similarly.
3944 * clipper/clipper.c: Similarly.
3945 * clipper/clipper.h: Similarly.
3946 * convex/convex.c: Similarly.
3947 * convex/convex.h: Similarly.
3948 * d30v/d30v-protos.h: Similarly.
3949 * d30v/d30v.c: Similarly.
3950 * d30v/d30v.h: Similarly.
3951 * d30v/d30v.md: Similarly.
3952 * dsp16xx/dsp16xx-protos.h: Similarly.
3953 * dsp16xx/dsp16xx.c: Similarly.
3954 * dsp16xx/dsp16xx.h: Similarly.
3955 * elxsi/elxsi.c: Similarly.
3956 * elxsi/elxsi.h: Similarly.
3957 * fr30/fr30.c: Similarly.
3958 * fr30/fr30.md: Similarly.
3959 * h8300/h8300-protos.h: Similarly.
3960 * h8300/h8300.c: Similarly.
3961 * h8300/h8300.h: Similarly.
3962 * i370/i370-protos.h: Similarly.
3963 * i370/i370.c: Similarly.
3964 * i370/i370.h: Similarly.
3965 * i386/i386.c: Similarly.
3966 * i386/osf1elf.h: Similarly.
3967 * i386/osfrose.h: Similarly.
3968 * i860/i860-protos.h: Similarly.
3969 * i860/i860.c: Similarly.
3970 * i860/i860.h: Similarly.
3971 * i960/i960-protos.h: Similarly.
3972 * i960/i960.c: Similarly.
3973 * i960/i960.h: Similarly.
3974 * ia64/ia64-protos.h: Similarly.
3975 * ia64/ia64.c: Similarly.
3976 * ia64/ia64.h: Similarly.
3977 * m32r/m32r-protos.h: Similarly.
3978 * m32r/m32r.c: Similarly.
3979 * m32r/m32r.h: Similarly.
3980 * m68hc11/m68hc11-protos.h: Similarly.
3981 * m68hc11/m68hc11.c: Similarly.
3982 * m68hc11/m68hc11.h: Similarly.
3983 * m68k/crds.h: Similarly.
3984 * m68k/dpx2.h: Similarly.
3985 * m68k/m68k-protos.h: Similarly.
3986 * m68k/m68k.c: Similarly.
3987 * m68k/m68k.h: Similarly.
3988 * m68k/news.h: Similarly.
3989 * m88k/m88k-protos.h: Similarly.
3990 * m88k/m88k.c: Similarly.
3991 * m88k/m88k.h: Similarly.
3992 * mips/mips-protos.h: Similarly.
3993 * mips/mips.c: Similarly.
3994 * mips/mips.h: Similarly.
3995 * ns32k/merlin.h: Similarly.
3996 * ns32k/ns32k.c: Similarly.
3997 * ns32k/ns32k.h: Similarly.
3998 * ns32k/tek6000.h: Similarly.
3999 * pa/pa-protos.h: Similarly.
4000 * pa/pa.c: Similarly.
4001 * pa/pa.h: Similarly.
4002 * pdp11/2bsd.h: Similarly.
4003 * pdp11/pdp11-protos.h: Similarly.
4004 * pdp11/pdp11.c: Similarly.
4005 * pdp11/pdp11.h: Similarly.
4006 * romp/romp-protos.h: Similarly.
4007 * romp/romp.c: Similarly.
4008 * romp/romp.h: Similarly.
4009 * rs6000/rs6000-protos.h: Similarly.
4010 * rs6000/rs6000.c: Similarly.
4011 * rs6000/rs6000.h: Similarly.
4012 * rs6000/sysv4.h: Similarly.
4013 * sh/sh-protos.h: Similarly.
4014 * sh/sh.c: Similarly.
4015 * sh/sh.h: Similarly.
4016 * sparc/sparc-protos.h: Similarly.
4017 * sparc/sparc.c: Similarly.
4018 * sparc/sparc.h: Similarly.
4019 * vax/vax.c: Similarly.
4020 * vax/vax.h: Similarly.
4021 * vax/vms.h: Similarly.
4022 * we32k/we32k.c: Similarly.
4023 * we32k/we32k.h: Similarly.
4025 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4027 * basic-block.h (first_insn_after_basic_block_note): Declare.
4028 * flow.c (first_insn_after_basic_block_note): Define. Moved
4030 * ssa.c (first_insn_after_basic_block_note): Remove.
4031 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4033 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4034 nodes when we find a dead conditional branch. Insert BARRIERs
4035 after any blocks with no successors, but which do not have
4038 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4040 * varray.c (varray_check_failed): Use internal_error.
4042 2001-07-05 Andrew Haley <aph@redhat.com>
4044 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4045 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4046 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4048 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4050 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4051 reference if the target constant is also a SYMBOL_REF.
4053 2001-07-05 Eric Christopher <echristo@redhat.com>
4055 * config/mips/mips.h (MASK_MIPS3900): Remove.
4056 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4057 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4058 (TARGET_MIPS3900): Change to use mips_arch.
4059 (TARGET_MIPS4000): New.
4060 (TARGET_MIPS4100): New.
4061 (TARGET_MIPS4300): New.
4062 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4063 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4065 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4066 (ISA_HAS_BRANCHLIKELY): To here.
4067 (CC1_CPU_SPEC): New.
4068 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4069 (mips_arch_string): Declare.
4070 (mips_arch): Declare.
4071 (TARGET_OPTIONS): Add -march and -mtune.
4073 * config/mips/mips.c (mips_arch_string): New.
4075 (override_options): Handle -march for codegen and -mtune
4076 for scheduling. Use mips_arch. Move tx39 target default here.
4077 (mips_parse_cpu): Move error message to override_options.
4079 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4081 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4083 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4084 (MIPS Options): Ditto. Change mcpu entry to historical text.
4086 2001-07-05 H.J. Lu (hjl@gnu.org)
4088 * config/mips/mips.c (mips_parse_cpu): New function to parse
4091 2001-07-05 Jim Wilson <wilson@redhat.com>
4093 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4094 * config/ia64/t-ia64: Likewise.
4095 (LIB1ASMFUNCS): Update comment.
4097 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4099 * doc/install.texi (Install GCC: Binaries): Fix typo.
4101 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4103 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4104 reference using the stack pointer, adjust it since we push Y
4106 ("*ashrsi3"): Likewise.
4107 ("*lshrsi3"): Likewise.
4109 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4111 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4112 when -fomit-frame-pointer is used.
4114 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4116 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4117 (try_redirect_by_replacing_jump): Reverse updating properly the
4118 count and frequency information. Reverse removing cc0 setter.
4119 (forwarder_block_p): Reverse fixing for fallthru blocks.
4121 2001-07-05 DJ Delorie <dj@redhat.com>
4123 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4124 (translate_options): If the above is defined, use it to map
4125 given options to new options.
4126 * doc/tm.texi: Document it.
4128 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4129 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4131 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4132 cause programs using computed gotos to run more slowly.
4134 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4136 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4138 Consistently require binutils 2.11.2, not prereleases.
4139 (Specific, decstation-*): Canonicalize as mips-dec-*.
4140 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4142 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4143 (Specific, mips-*): Reword MIPS C compiler requirements.
4144 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4145 (Specific, sunv5): Removed, obsolete.
4147 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4149 * dwarf2out.c (output_loc_list): Use an all ones mask for
4150 .text asm output and don't rely on long long
4151 literals. Reformat some long lines.
4153 2001-07-05 Andreas Jaeger <aj@suse.de>
4155 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4158 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4160 * dwarf2out.c (dwarf2out_define): Update comment.
4161 (dwarf2out_undef): Ditto.
4162 (dwarf2out_start_source_file): Ditto.
4163 (dwarf2out_end_source_file): Ditto.
4164 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4165 since we never call the start/end debug hook for the primary file.
4167 2001-07-04 Kazu Hirata <kazu@hxi.com>
4169 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4172 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4174 * cppinit.c (remove_dup_dirs): Inform if a system include
4175 directory is being reordered.
4176 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4178 * doc/cpp.texi (Search Paths): Likewise.
4179 * doc/gcc.texi (Interoperation): Remove information about
4182 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4184 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4185 (VARRAY_TOP_CHAR_PTR): Likewise.
4187 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4189 * gcc.c (process_command): Don't assign elements of a const char*.
4191 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4193 * emit-rtl.c (change_address): Don't abort if invalid address while
4194 reload is in progress.
4196 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4198 * c-lex.c (cb_file_change): Pass line number to
4199 debug_start_source_file.
4200 (cb_undefine): Pass correct line number to debug_undef.
4202 * toplev.c (debug_start_source_file): Add line number to
4203 parameters. Pass it along to dwarf2out_start_source_file.
4204 (decode_g_option): Stop resetting debug level back to normal when
4205 we change debug formats, unless the current level is
4206 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4209 * toplev.h (debug_start_source_file): Add line number to
4212 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4215 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4217 Output debug_macinfo data for starting file if requested.
4218 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4220 (dwarf2out_define): Output debug_macinfo data for defining a macro
4222 (dwarf2out_undef): Output debug_macinfo data for undefining a
4224 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4225 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4226 (macinfo_section_label): New. DWARF2 macro info section label.
4227 (dwarf2out_init): If we want macro info, output the start label
4229 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4230 attribute to the compilation unit die pointing to the macro info.
4232 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4234 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4235 DWARF2_DEBUGGING_INFO.
4236 (add_loc_descr_to_loc_list): Ditto.
4237 (output_loc_list): Ditto.
4238 Also, fix thinko in curr not being initialized.
4239 (gen_internal_sym): Ditto.
4241 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4243 * emit-rtl.c (replace_equiv_address): New function.
4244 * expr.h (replace_equiv_address): New declaration.
4245 * explow.c (validize_mem): Call it instead of change_address and
4246 also call if -fforce-addr and address is constant.
4247 * expr.c: Replace more calls to change_address with adjust_address
4248 and/or replace_equiv_address or to validize_mem.
4249 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4250 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4251 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4252 * config/i370/i370.md, config/i860/i860.md: Likewise.
4253 * config/i960/i960.md, config/mips/mips.c: Likewise.
4254 * config/mips/mips.md, config/pa/pa.md: Likewise.
4255 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4256 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4258 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4260 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4262 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4265 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4267 * doc/include: New directory.
4268 * doc/fdl.texi: Move to doc/include/fdl.texi.
4269 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4270 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4271 * doc/gcc.texi: Use funding.texi and gpl.texi.
4272 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4273 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4274 Update dependencies and use -I $(docdir)/include.
4276 2001-07-04 Anthony Green <green@redhat.com>
4278 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4280 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4282 * doc/install.texi (sparc64-*-*): Remove garbage.
4284 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4286 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4287 Fix typo in last change to use adjust_address.
4289 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4291 * doc/install.texi (Specific): Update information for *-*-solaris*.
4293 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4295 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4297 2001-07-03 Stan Shebs <shebs@apple.com>
4299 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4300 case for flag_no_mach_text_sections.
4301 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4302 * config/darwin.c (flag_no_mach_text_sections): Remove.
4303 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4305 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4307 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4308 and avoid checking for constant as first operand.
4309 * recog.c (find_constant_term_loc): No longer static.
4310 (adj_offettable_operand): Delete.
4311 * rtl.h (adj_offsettable_operand): Delete declaration.
4312 (find_constant_term): Add declaration.
4313 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4315 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4316 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4317 * config/i386/i386.c, config/i386/i386.md: Likewise.
4318 * config/i860/i860.c, config/i960/i960.c: Likewise.
4319 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4320 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4321 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4322 * config/mips/mips.c, config/mips/mips.md: Likewise.
4323 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4324 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4325 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4326 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4327 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4328 * config/ns32k/ns32k.md: Likewise.
4330 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4332 * rtl.c (copy_rtx): Handle 'T' format letter.
4333 * gensupport.c (collect_insn_data): Likewise.
4334 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4336 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4338 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4339 -B option. Use 'dir' not 'foo' as example directory name.
4341 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4343 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4344 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4346 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4348 * doc/cppinternals.texi: Improve formatting and logical markup.
4350 2001-07-03 Andreas Jaeger <aj@suse.de>
4352 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4354 * genrecog.c (write_header): Include reload.h for prototypes in
4357 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4360 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4361 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4362 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4363 i386_pe_valid_type_attribute_p): Add.
4364 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4365 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4367 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4369 * explow.c (plus_constant_wide, case LO_SUM): New case.
4370 (plus_constant_for_output_wide): Delete.
4371 * rtl.h (plus_constant_for_output): Delete.
4372 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4373 instead of plus_constant_for_output.
4374 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4375 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4376 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4377 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4378 * config/sparc/sparc.md: Likewise.
4379 Convert some change_address calls to adjust_address.
4381 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4383 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4384 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4385 documentation of -std and -Wwrite-strings.
4387 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4389 * cse.c (canon_hash): Don't register registers in very small
4390 register classes, as extending their lifetime might cause
4393 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4395 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4397 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4398 (try_redirect_by_replacing_jump): Update properly the count
4399 and frequency information.
4401 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4403 * toplev.c (dump_file_index): Move SSA dumps just after first
4405 (dump_file): Corresponding changes.
4406 (rest_of_compilation): Move SSA path to just after the first
4408 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4409 * doc/invoke.texi: Update dump file #s as they were completely
4410 out of date with reality.
4412 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4414 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4416 * expr.c (emit_move_insn_1): Deal with non-default
4419 * expr.c (emit_single_push_insn): Fix warning.
4421 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4423 * expr.c (emit_move_insn_1): Avoid modifying
4424 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4426 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4428 * emit-rtl.c (adjust_address): New function.
4429 * expr.h (adjust_address): Add declaration.
4430 * builtins.c: Replace some calls to change_address with calls to it
4432 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4433 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4434 * config/arm/arm.c, config/convex/convex.c: Likewise.
4435 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4436 * config/i386/i386.c, config/i386/i386.md: Likewise.
4437 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4438 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4439 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4440 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4441 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4443 2001-07-02 Jim Wilson <wilson@redhat.com>
4445 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4447 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4449 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4450 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4452 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4454 * cppinit.c (lang_defaults): New table.
4455 (set_lang): Just read from lang_defaults into the live options
4458 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4460 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4461 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4462 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4464 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4466 * doc/install.texi: Various spelling and markup fixes.
4467 (Installing GCC): Component specific installation instructions are
4470 Warn about removing old install dir in the presence of shared libs.
4471 (Configuration): Invoke with options target to match configure
4473 Consistently refer to gas, gld pathnames.
4474 Invert --enable-multilib documentation.
4475 Remove references to old compiler versions.
4477 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4479 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4481 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4483 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4485 (Specific, mips*-sgi-irix5): Note IDO download.
4486 Reworded MIPS C hints.
4487 Use GNU as instead of GAS.
4489 Removed SGI Freeware reference, IRIX 6 only.
4490 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4491 Note N64 library requirement/workaround.
4493 Complete list of structure passing bug victims.
4495 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4497 * doc/install.texi: Remove CVS Id.
4499 2001-07-02 Andreas Jaeger <aj@suse.de>
4501 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4502 (find_inherently_necessary): Remove unused variable.
4504 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4506 * c-common.h (TDI_inlined): New ast dump phase.
4507 (dump_flag_name): New function.
4508 * c-dump.c (dump_files): Add inlined phase.
4509 (dump_flag_name): Define.
4510 * doc/invoke.texi (-fdump-ast-inlined): Document.
4512 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4514 * stor-layout.c (layout_decl): Revert change to handling of alignment
4517 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4519 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4522 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4524 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4527 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4529 * tlink.c (recompile_files): Remove COMPILER_PATH and
4530 LIBRARY_PATH from the environment.
4532 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4534 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4535 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4537 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4539 * c-parse.in (OBJC_STRING): Kill.
4540 (objc_string): Decompose to [objc_string] '@' STRING.
4541 (reswords): Take the leading '@' off all the Objective C keywords.
4542 (objc_rid_sans_at): Kill.
4543 (init_reswords): Don't initialize it.
4544 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4545 (_yylex): Kill reconsider label. Look ahead one token after
4546 an '@'; if we get an identifier, check whether it's an
4547 Objective C @-keyword. If so, return the keyword. Otherwise,
4548 put back the token and return the '@' as a terminal.
4550 * cpplib.c (lex_macro_node): Remove unnecessary check for
4551 leading '@' on identifier. Clarify control flow and commentary.
4553 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4555 * cse.c (new_label_ref): Variable deleted.
4556 (insert): Remove set of new_label_ref.
4557 (check_for_label_ref): New function.
4558 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4560 See ChangeLog.5 for earlier changes.