1 2000-12-07 Richard Henderson <rth@redhat.com>
3 * flow.c (calculate_global_regs_live): Force the stack pointer live
6 2000-12-07 Bruce Korb <bkorb@gnu.org>
8 * fixinc/Makefile.*(exeext): the variables are exeext, the
9 substitution expression is build_exeext.
11 2000-12-07 Neil Booth <neilb@earthling.net>
13 * c-common.c (parse_in): Make a cpp_reader *.
14 * cppfiles.c (_cpp_fake_include): Remove.
15 * cpphash.h: Similarly.
16 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
17 #line always creates a callback; FC_RENAME if there are no
19 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
20 The first EOF must be our get_char buffer.
22 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
24 * c-common.c (warn_format_security): New variable.
25 (check_format_info): Warn about non-literal formats with no format
26 arguments if either -Wformat-nonliteral or -Wformat-security is
28 (set_Wformat): Set warn_format_security for settings other than 1.
29 * c-common.h (warn_format_security): Declare.
30 * c-decl.c (c_decode_option): Decode -Wformat-security and
32 * invoke.texi: Document -Wformat-security.
33 * toplev.c (documented_lang_options): Include -Wformat-security
34 and -Wno-format-security.
36 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
38 * c-common.c (check_format_info): Warn for non-constant format
39 strings with strftime formats if -Wformat-nonliteral. Where the
40 format can convert arguments, if the format is not a string
41 literal and there are no arguments to the format, give a different
42 warning message from the general non-string-literal case.
44 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
46 * c-common.c (format_wanted_type): Add reading_from_flag.
47 (print_char_table): Mark %s and %S formats with flag "R".
48 (check_format_info_main): Set up reading_from_flag appropriately.
49 If aflag, always set writing_in_flag rather than relying on the
50 format used being a scanf format and so having it set.
51 (check_format_types): Check for formats reading through null
54 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
56 * invoke.texi (-Wformat): Document what format features are
59 2000-12-06 Kazu Hirata <kazu@hxi.com>
61 * config/h8300/h8300.h: Fix formatting.
63 2000-12-06 Joel Sherrill <joel@OARcorp.com>
65 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
66 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
67 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
68 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
69 config/h8300/rtems.h, config/mips/rtems.h: New files.
71 2000-12-06 Mark Kettenis <kettenis@gnu.org>
73 * config.gcc: Reorganize handling of *-*-gnu*, to share target
74 specific make details with Linux. Update comments to clarify
75 the distinction between GNU/Linux and GNU/Hurd.
77 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
79 * contrib.texi: Fix my email address. Update Per's
80 list of contributions.
82 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
84 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
85 * collect2.c (scan_libraries): Remove unused `ch'.
86 (COFF specific stuff): Prototype ldgetname. Declare and prototype
89 * config/alpha/osf.h: Standarize copyright statement.
90 * config/arc/arc.h: Likewise.
91 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
92 * config/arm/arm.c config/arm/arm.h: Likewise.
93 * config/elxsi/elxsi.h: Likewise.
94 * config/i386/sco.h: Likewise.
95 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
96 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
97 * config/m68k/sun3.h: Likewise.
98 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
99 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
100 * config/romp/romp.h: Likewise.
101 * config/rs6000/aix41.h: Likewise.
102 * config/sparc/sysv4.h: Likewise.
103 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
104 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
105 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
106 * longlong.h: Likewise.
107 * libgcc2.c: Likewise.
109 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
111 * machmode.def: Use correct definition for BITSIZE on targets where
114 2000-12-06 Bruce Korb <bkorb@gnu.org>
116 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
119 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
121 * pa.c: Include expr.h before c-tree.h.
122 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
123 instead of reverse_condition.
124 (print_operand): Correct predicates for GT, GE, LT and LE. Add
125 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
127 (cmpib_comparison_operator): Add GEU and LTU codes.
128 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
129 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
130 bordered): New float conditional branch patterns.
132 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
134 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
136 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
138 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
139 backslash and newline, when inside a comment.
141 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
143 * invoke.texi: Use @table @samp instead of @itemize @minus for
144 table of language standards. Fix use of @pxref. From Zack
145 Weinberg. Also exclude specs documentation from generated
146 manpage, and create separate ENVIRONMENT section.
148 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
150 * gcse.c (compute_pre_data): Kill trapping expressions in
151 destination blocks of abnormal edges.
153 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
155 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
156 (mn10300_get_live_callee_saved_regs): Likewise.
157 (mn10300_gen_multiple_store): Likewise.
158 (store_multiple_operation): Likewise.
159 (expand_prologue): Use mn10300_gen_multiple_store().
160 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
161 (mn10300_get_live_callee_saved_regs): Likewise.
162 (mn10300_gen_multiple_store): Likewise.
163 (store_multiple_operation): Likewise.
164 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
165 tied to store_multiple_operation().
167 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
169 * builtins.c (expand_builtin_setjmp_setup): Set
170 current_function_has_nonlocal_label.
172 2000-12-05 Neil Booth <neilb@earthling.net>
174 * cppfiles.c (stack_include_file): Push zero-length buffers
175 in case of failure. Return void, as we don't fail any more.
176 (read_include_file): Check for files we shouldn't re-read.
177 Don't return an error code; errors are implied by marking the
179 (_cpp_execute_include): Move the recursion and in-macro checks
180 here. Update for stack_include_file not failing.
181 * cpplib.c (cpp_push_buffer): Always succeed, since
182 _cpp_execute_include performs the recursion check. Tidy up.
183 * cpplib.h (cpp_push_buffer): Update prototype.
185 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
187 * sched-vis.c (visual_tbl_line_length): New variable.
188 (get_visual_tbl_length): Set it.
189 (visualize_stall_cycles): Don't let stalls overrun
190 visual_tbl_line_length.
192 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
194 * global.c (global_conflicts): Allow for a REG_UNUSED note
195 with a different mode to the REG set in the insn.
197 2000-12-05 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
199 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
201 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
203 2000-12-05 Bruce Korb <bkorb@gnu.org>
205 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
208 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
210 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
211 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
212 to cope with aliased copies.
213 * fixinc/fixincl.x: Regenerate.
215 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
217 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
218 * sched-rgn.c: Likewise.
219 (rgn_print_insn): Fix output.
221 2000-12-05 Bruce Korb <bkorb@gnu.org>
223 * fixinc/Makefile.*: make these more consistent
224 * fixinc/mkfixincl.sh: enable BeOS fixincludes
226 2000-12-05 Richard Henderson <rth@redhat.com>
228 * stmt.c (warn_if_unused_value): Move side effects test earlier.
230 2000-12-05 Alan Modra <alan@linuxcare.com.au>
232 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
235 2000-12-05 Richard Henderson <rth@redhat.com>
237 * flow.c (calculate_global_regs_live): Only force stack pointer
238 live before reload. Force pic register live before reload.
239 (insn_dead_p): Don't protect pic references from deletion.
241 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
243 * invoke.texi: Add support for using texi2pod.pl. Don't use
246 2000-12-04 Nick Clifton <nickc@redhat.com>
248 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
249 'tune_flags' for XScale nature.
250 Remove spurious test of HARD_FLOAT and XScale flags.
252 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
253 contraint, accidentally changed during XScale contribution.
255 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
256 not create these functions if the target architecture does not
257 support Thumb instructions.
259 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
261 * ONEWS: New file with the current contents of NEWS up to EGCS
263 * NEWS: Generate automatically from online release notes from EGCS
264 1.0 to GCC 2.95.2, using ../contrib/gennews.
266 2000-12-04 Neil Booth <neilb@earthling.net>
268 * tradcif.y: Move lexptr to top of file. Add rule to handle
269 assertions in conditional expressions.
270 * tradcpp.c (parse_answer): Assertions do not need to go to
271 end of line in conditional directives.
272 (parse_assertion): Get first character of identifiers correct.
273 (test_assertion): New function.
274 * tradcpp.h (test_assertion): New prototype.
276 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
278 * config.gcc: Fix typo for UnixWare 7.
280 2000-12-03 Phil Edwards <pme@sources.redhat.com>
282 * invoke.texi: Replace `pedwarns' with clearer text.
284 2000-12-04 Bruce Korb <bkorb@gnu.org>
286 * fixinc/Makefile.*(clean): don't clean autogenerated files.
287 (mainainer-clean): clean autogenerated files
289 2000-12-04 DJ Delorie <dj@redhat.com>
291 * md.texi: Add overview, clarify match_dup and define_expand.
293 2000-12-04 DJ Delorie <dj@redhat.com>
295 * print-tree.c (print_node): Target-specific builtins print
298 2000-12-04 Jason Merrill <jason@redhat.com>
300 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
303 * diagnostic.c (report_problematic_module): s/function/module/.
305 * c-lex.h: Remove decl for check_newline.
307 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
309 * README.APOLLO: Remove obsolete file.
311 2000-12-04 Neil Booth <neilb@earthling.net>
313 * cppinternals.texi: New file.
315 2000-12-04 Neil Booth <neilb@earthling.net>
317 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
318 and operate on current buffer.
319 (cpp_read_file): Rename _cpp_read_file.
320 * cpplib.c (do_line, do_pragma_system_header): Update calls to
321 cpp_make_system_header.
322 * fix-header.c: Similarly.
323 * cpphash.h (_cpp_read_file): Move from...
324 * cpplib.h: ... here.
325 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
327 2000-12-03 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
329 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
330 Handle another transformation.
332 2000-12-03 Nick Clifton <nickc@redhat.com>
334 * config.gcc: Add support for StrongARM targets.
335 * config/arm/t-strongarm-elf: New file.
336 * config/arm/t-strongarm-coff: New file.
337 * config/arm/t-strongarm-pe: New file.
338 * config/arm/strongarm-pe.h: New file.
340 2000-12-03 Nick Clifton <nickc@redhat.com>
342 * NEWS: Mention XScale has been added.
343 * config.gcc: Add support for XScale targets.
344 * config/arm/arm.h: Add support for XScale processor.
345 * config/arm/arm.c: Add support for XScale processor.
346 * config/arm/arm.md: Add support for XScale processor.
347 * config/arm/t-xscale-elf: New file.
348 * config/arm/t-xscale-coff: New file.
349 * config/arm/xscale-elf.h: New file.
350 * config/arm/xscale-coff.h: New file.
352 2000-12-03 Richard Henderson <rth@redhat.com>
354 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
355 unless exception handling is enabled, and if not using sjlj.
357 * builtins.c (expand_builtin_setjmp_setup): New.
358 (expand_builtin_setjmp_receiver): New.
359 (expand_builtin_setjmp): Split out _setup and _receiver functions.
360 Move argument parsing in from ...
361 (expand_builtin): ... here.
362 * except.c (receive_exception_label): Branch around receiver
363 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
364 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
365 * expr.h: Update builtin setjmp decls.
367 2000-12-03 Bruce Korb <bkorb@gcc.org>
369 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
370 build machine name. Default to the target.
372 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
374 * Makefile.in: use $(build_canonical), not $(canonical_build).
376 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
378 * Makefile.in (OBJS): Add sched-rgn.o.
379 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
381 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
382 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
383 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
384 MAX_BLOCKAGE_COST): Move to sched-int.h.
385 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
386 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
387 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
388 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
389 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
390 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
391 debug_regions, find_single_block_region, find_rgns, too_large,
392 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
393 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
394 extract_bitlst, bblst, struct candidate, candidate_table,
395 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
396 SRC_PROB, target_bb, split_edges, compute_trg_info,
397 debug_candidate, debug_candidates, bbset, bbset_size, dom,
398 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
399 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
400 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
401 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
402 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
403 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
404 update_live, set_spec_fed, is_pfree, find_conditional_protection,
405 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
406 is_prisky, is_exception_free, add_branch_dependences,
407 propagate_deps, compute_block_backward_dependences,
408 debug_dependencies, is_cfg_nonregular, build_control_flow,
409 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
410 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
411 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
412 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
413 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
414 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
415 rgn_rank, region_sched_info): Move to sched-rgn.c.
416 (debug_reg_vector): Delete useless function.
417 (get_bb_head_tail): Likewise.
418 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
419 no_real_insns_p, rm_line_notes, save_line_notes,
420 restore_line_notes, rm_redundant_line_notes, sched_init): No
422 (rm_line_notes, save_line_notes, restore_line_notes,
423 schedule_block, set_priorities): Change argument to be a real
424 basic block, not one of haifa's "bb"s. All callers changed
425 (rm_other_notes): Initialize note_list here, not in
427 (sched_finish): New function, called from schedule_insn. * *
428 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
429 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
430 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
431 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
432 (get_block_head_tail, no_real_insns_p, rm_line_notes,
433 save_line_notes, restore_line_notes, rm_redundant_line_notes,
434 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
435 sched_init, sched_finish, ready_add, insn_cost): Declare.
437 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
438 Bruce Korb <bkorb@gnu.org>
440 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
441 * fixinc/mkfixinc.sh: accept build system name as an argument.
442 Use it for choosing the fix build method. Use the target for
443 selecting special fix rules.
445 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
447 * Makefile.in (OBJS): Add sched-deps.o.
448 (sched-deps.o): New rule.
449 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
451 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
453 (SIZE_FOR_MODE): Delete unused macro.
454 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
455 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
456 anti_dependency_cache, output_dependency_cache,
457 forward_dependency_cache): Variables moved to sched-deps.c.
458 (add_dependence, remove_dependence, find_insn_list,
459 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
460 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
461 sched_analyze, group_leader, compute_forward_dependences,
462 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
463 Functions moved to sched-deps.c.
464 (schedule_region): Call init_deps_global and finish_deps_global
465 instead of directly manipulating dependency data structures.
466 * sched-deps.c: New file.
467 (init_deps_global, finish_deps_global): New functions.
468 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
471 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
474 * Makefile.in (OBJS): Add sched-vis.o.
475 (sched-vis.o): New rule.
476 * haifa-sched.c (get_unit_last_insn): New function.
477 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
479 (schedule_block): Call visualize_alloc and visualize_free. Delete
480 spurious return statement.
481 (init_target_units, insn_print_units, get_visual_tbl_length,
482 init_block_visualization, print_block_visualization, safe_concat,
483 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
484 print_exp, print_value, print_pattern, print_insn, target_units,
485 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
486 n_vis_no_unit, vis_no_unit): Move scheduling visualization
487 functions/variables...
488 * sched-vis.c: ...here. New file.
489 (visualize_alloc, visualize_free): New functions.
490 (visualize_scheduled_insns, visualize_stall_cycles,
491 print_block_visualization): Lose basic block argument. All callers
493 (visualize_scheduled_insns): Use new function get_unit_last_insn.
494 * sched-int.h (current_sched_info, sched_dump): Declare.
495 (init_target_units, insn_print_units, init_block_visualization,
496 print_block_visualization, visualize_scheduled_inns,
497 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
498 visualize_free): Declare functions.
500 * sched-int.h: New file.
501 * Makefile.in (haifa-sched.o): Depend on it.
502 * haifa-sched.c: Include it.
503 (no_real_insns_p): New function.
504 (current_sched_info): New static variable.
505 (__inline, HAIFA_INLINE): Moved to sched-int.h.
506 (get_block_head_tail): Minor cleanup.
507 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
508 rgn_print_insn, rgn_rank): New functions, broken out of
509 rank_for_schedule, schedule_insn and schedule_block, where they
510 are now called through function pointers in current_sched_info.
511 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
512 print_insn): To display uid and block number, call the print_insn
513 function pointer in current_schedule_info.
514 (region_sched_info): New static variable.
515 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
516 variables, moved out of schedule_block.
517 (schedule_block): Return void. All callers changed.
518 Move some of the setup code into schedule_region. Get head/tail
519 from current_sched_info, and update it when done.
520 (schedule_region): Slightly rearranged, some code moved here from
521 schedule_block. Call no_real_insns_p to avoid doing work for a
522 block that consists only of notes and labels.
523 (schedule_insns): Initialize current_sched_info.
525 2000-12-03 Neil Booth <neilb@earthling.net>
527 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
528 by contexts drops AFTER argument pre-expansion, so that they
529 remain enabled during argument pre-expansion.
530 (_cpp_pop_context): Unconditionally re-enable a macro when
531 dropping a context level.
533 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
535 * arm/t-linux (MULTILIB_OPTIONS): Comment.
536 (MULTILIB_DIRNAMES): Likewise.
537 (EXTRA_MULTILIB_PARTS): Likewise.
539 (INSTALL_LIBGCC): Likewise.
541 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
543 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
544 expand_builtin_strspn, expand_builtin_strcspn): New functions.
545 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
546 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
548 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
549 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
551 * c-common.c (c_common_nodes_and_builtins): Declare builtin
552 strcat, strncat, strspn and strcspn.
553 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
555 * extend.texi (strcat, strcspn, strncat, strspn): Document new
558 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
560 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
561 expanding strcmp at compile-time. Add another transformation.
562 (expand_builtin_strncmp): Add more transformations. Call
563 expand_builtin_memcmp, not expand_builtin_strcmp, under
564 appropriate conditions if HAVE_cmpstrsi.
566 2000-12-02 David Edelsohn <edelsohn@gnu.org>
568 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
570 (cr logic): Really make operands sequential.
572 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
574 * c-common.c (combine_strings): When the ISO C standard specifies
575 the maximum length of a string, it doesn't include the trailing
578 * cpplib.c (do_ifdef): Add check_eol() call.
579 (do_ifndef): Likewise.
581 2000-12-02 Daniel Berlin <dberlin@redhat.com>
582 Bruce Korb <bkorb@gnu.org>
584 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
585 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
586 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
587 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
588 use the "__need_" hackery. It breaks them.
589 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
590 Sometimes on DOS and BeOS the temp output file cannot be opened.
591 Skip the file noisily. Ought to be fixed instead.
593 2000-12-02 Bruce Korb <bkorb@gnu.org>
595 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
597 * fixfixes.c (emit_gnu_type, format_write): Prototype.
598 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
599 custom uppercase ctype macros.
600 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
601 Use gcc's custom uppercase ctype macros.
603 (machine_matches): Add static prototype and constify variable.
604 (create_file, test_test, egrep_test): Add static prototype.
605 (quoted_file_exists): Likewise, and constify parameters.
606 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
607 write_replacement, test_for_changes): Add static prototype.
608 (write_replacement, test_for_changes): Delete excess argument to
610 * fixtests.c (test): Make static.
611 * server.c (load_data, sig_handler, server_setup, find_shell): Add
613 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
615 2000-12-02 Bruce Korb <bkorb@gnu.org>
617 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
618 (per Laurynas Biveinis <lauras@softhome.net>)
620 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
622 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
624 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
625 (REGNO_OK_FOR_FOR_BASE_P): Delete.
626 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
627 both strict and non-strict uses.
628 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
629 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
630 (REG_OK_FOR_INDEX_P): Define in terms of above.
631 (REG_OK_FOR_BASE_P): Delete.
632 (REG_OK_FOR_PRE_POST_P): Delete.
633 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
634 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
635 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
636 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
637 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
638 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
639 in pre/post increment cases.
640 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
641 (ARM_LEGITIMIZE_ADDRESS): Similarly.
642 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
643 * arm.c (legitimate_pic_address): Similarly.
645 2000-12-02 Neil Booth <neilb@earthling.net>
647 * tradcpp.c (struct answer, parse_assertion, parse_answer,
648 canonicalize_text, find_answer): New.
649 (do_assert, do_unassert): Provide appropriate function bodies.
650 (union hashval): New member answers.
652 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
654 * config/avr/avr.md: Document UNSPEC usage.
655 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
656 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
657 MEM for program memory word reference. Do not add the label to
658 the table index in each of the asm output templates, instead ...
659 (casesi): ... do it in RTL. Adjust to match the above change.
661 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
663 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
664 * c-decl.c: ... not here.
666 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
667 (old_max_uid): New variable.
668 (compute_forward_dependences): Renamed from
669 compute_block_forward_dependences; changed to accept block head and
670 tail instead of block number. Caller changed.
671 (free_deps, init_dependency_caches, free_dependency_caches,
672 init_regions, sched_init): New functions, split out from
673 schedule_insns and compute_block_backward_dependences.
675 2000-12-02 Neil Booth <neilb@earthling.net>
677 * cppexp.c (parse_number): Update diagnostic test.
679 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
681 * reload1.c (free_for_value_p): New function, frontend to
682 reload_reg_free_for_value_p. All callers of the latter now call
683 this function with an additional mode argument.
685 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
687 * install.texi (Configurations): Remove obsolete documentation for
690 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
692 * install.texi (Installation): Remove obsolete description for
693 libstdc++ which is now an integral part of GCC.
695 2000-12-01 Jim Blandy <jimb@redhat.com>
697 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
698 invisible reference in registers, but then spilled to the stack.
699 Remove code to emit a second stab for such parameters; it attempts
700 to describe the value's location by introducing a synthetic C++
701 `reference' type, and then saying the stack slot has that
702 reference type. This loses type information (breaking GDB's
703 `ptype' command, among other things) just to describe a location
704 which stabs can represent correctly in other ways.
706 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
708 * final.c (output_addr_const) <PLUS>: Don't assume at least one
709 operand is a CONST_INT.
711 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
712 (machine_dependent_reorg): Split all insns.
713 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
714 reg_class_contents[SIBCALL_REGS].
715 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
716 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
717 call_value_pcrel, call, call_value, sibcall): Match even when
719 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
721 (sibcalli): Likewise.
723 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
725 * c-common.c (warn_format, warn_format_y2k,
726 warn_format_extra_args, warn_format_nonliteral): Define.
727 (check_format_info): Check warn_format_nonliteral and
728 warn_format_extra_args.
729 (check_format_info_main): Check warn_format_y2k.
730 (set_Wformat): New function.
731 * c-common.h (warn_format_y2k, warn_format_extra_args,
732 warn_format_nonliteral, set_Wformat): Declare.
733 * c-decl.c (warn_format): Remove definition.
734 (c_decode_option): Handle -Wformat-nonliteral,
735 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
737 * invoke.texi: Document these new options and -Wformat=2.
738 * toplev.c (documented_lang_options): Add these new options.
740 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
742 * builtins.def (BUILT_IN_IMAXABS): Add.
743 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
744 * c-common.c (c_common_nodes_and_builtins): Create builtin
745 functions __builtin_imaxabs, and plain imaxabs unless
746 flag_no_nonansi_builtin outside C99 mode.
747 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
748 * extend.texi: Document builtin imaxabs.
750 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
752 * c-common.c: Include "defaults.h".
753 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
754 (c_common_nodes_and_builtins): Create string_type_node,
755 const_string_type_node, wint_type_node, intmax_type_node,
756 uintmax_type_node, default_function_type, ptrdiff_type_node and
757 unsigned_ptrdiff_type_node.
758 * c-common.h (identifier_global_value): Declare.
759 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
760 (init_decl_processing): Don't create string_type_node,
761 const_string_type_node, wint_type_node, intmax_type_node,
762 uintmax_type_node, default_function_type, ptrdiff_type_node and
763 unsigned_ptrdiff_type_node.
764 (identifier_global_value): New function.
766 2000-12-01 Neil Booth <neilb@earthling.net>
768 * cppinit.c (initialize): Forgotten prototype.
769 * cpplex.c (_cpp_lex_token): Loop until not skipping.
770 Always clear PREV_WHITE upon meeting a new line.
771 * cpplib.c (end_directive): Set pfile->skipping after
773 * cpplib.h (cpp_reader): Remove macro_pos.
774 * cppmacro.c (cpp_get_line): Don't do anything special inside
776 (parse_arg): Add PREV_WHITE if a token appears after new lines.
777 (funlike_invocation_p): Save and restore the output position
778 over a successful check for a '('.
779 (enter_macro_context): Delete uses of macro_pos.
780 (cpp_get_token): Don't use pfile->skipping.
782 2000-12-01 Phil Edwards <pme@sources.redhat.com>
784 * diagnostic.c: Fix typos in comments.
785 * diagnostic.h: Likewise.
787 2000-11-30 Phil Edwards <pme@sources.redhat.com>
789 * rtl.texi (Machine Modes): Document BImode and OImode.
791 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
793 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
796 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
798 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
799 incomplete element type.
800 (grokparms): Before checking for incomplete parameter type, check
801 the type isn't error_mark_node.
803 2000-12-01 Jakub Jelinek <jakub@redhat.com>
805 * builtins.c (target_char_cast): New function.
806 (expand_builtin_strchr): Use it.
807 (expand_builtin_strrchr): Use it.
808 (builtin_memset_read_str): New function.
809 (expand_builtin_memset): Use target_char_cast.
810 Try to optimize memset with second argument non-zero using
813 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
815 * install.texi (avr): Replace incomplete list of supported MCU
816 types with a link to the current one ...
817 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
818 all supported MCU types. Document -minit-stack= default.
819 Document new options -mno-tablejump, -mtiny-stack.
820 * md.texi (AVR family): Fix typo in 'w' constraint letter
821 description. Document 'q'. Update 'O'.
823 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
825 * combine.c (cant_combine_insn_p): Only disallow insns involving
826 hard regs if they are reg-reg moves.
827 (try_combine, can_combine_p, combinable_i3pat): Delete old
828 SMALL_REGISTER_CLASSES tests.
830 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
832 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
833 whether X is a CONST_INT.
834 (addsubcosts): Likewise.
836 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
838 (ARG_POINTER_REGNUM): Set to AP_REG.
840 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
842 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
843 splits): Only match on TARGET_SH4.
845 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
848 2000-11-30 Richard Henderson <rth@redhat.com>
850 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
851 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
853 2000-11-30 Richard Henderson <rth@redhat.com>
855 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
856 (DO_SELECT_SECTION): New.
857 (SELECT_SECTION): Use it.
858 (UNIQUE_SECTION_P): New.
859 (UNIQUE_SECTION): New.
861 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
863 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
864 from va_list before using it.
866 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
868 * flow.c (make_edge): Early out, if no flags to set.
869 (calculate_global_regs_live): Clear out garbage only when necessary.
871 * simplify-rtx.c (varray_type used_regs): New.
872 (clear_table): Use it to only clear necessary items.
873 (cselib_lookup, cselib_record_set): Remember newly set items.
874 (cselib_update_varray_sizes, cselib_init): Initialize and grow
877 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
878 Move clearing of dead regs out of insn-loop.
880 2000-11-30 Richard Henderson <rth@redhat.com>
882 * calls.c (expand_call): Emit queued insns before creating
883 the tail recursion sequence.
885 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
886 Bruce Korb <bkorb@gnu.org>
888 * fixinc/inclhack.def(): prevent dual double definition protection
889 * fixinc/fixincl.x: regenerate
891 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
893 * fixinc/Makefile.in (fixincl.x): Explicitly state the
894 location of the generated file.
896 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
898 * README.FRESCO: Remove obsolete file.
900 2000-11-30 Mark Kettenis <kettenis@gnu.org>
902 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
903 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
904 config/t-linux for the Hurd.
906 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
908 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
909 config/mn10200/udivmodsi4.c: Moved from here.
910 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
911 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
912 C division functions.
913 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
915 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
917 * pa.md (conditional moves): Avoid holes in operand list.
918 (mod, umod patterns): Similarly.
919 (variable extract/shift patterns): Similarly.
921 2000-11-30 Neil Booth <neilb@earthling.net>
923 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
924 maybe_objc_check_decl, build_objc_string_object,
925 objc_declare_alias, objc_declare_class, build_message_expr,
926 build_protocol_expr, build_selector_expr, build_encode_expr,
927 get_class_ivars, start_class, start_protocol): Remove
928 redundant code, assuming doing_objc_thang is true.
930 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
932 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
933 (record_unscaled_index_insn_codes): Likewise.
934 (unscaled_index_insn_codes): Delete.
935 (max_unscaled_index_insn_codes_uid): Delete.
936 (output_function_prologue, output_function_epilogue, pa_reorg):
937 Don't use the unscaled index insn hack.
939 * pa.md: Remove hack from all index insns to reverse the operand
940 order of frame and stack pointer references incorrectly created
943 * function.h (emit_status): Delete member regno_pointer_flag and
944 rename regno_pointer_flag_length to regno_pointer_align_length.
945 Delete define for REGNO_POINTER_FLAG.
946 * integrate.h (inline_remap): Delete member regno_pointer_flag.
947 Add member x_regno_reg_rtx.
948 * rtl.h (rtx_def): Use frame_related bit to indicate register is
949 a pointer in REG expressions. Define REG_POINTER macro.
950 * alias.c (find_base_value, find_base_term): Use REG_POINTER
951 instead of REGNO_POINTER_FLAG.
952 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
953 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
954 of regno_pointer_flag_length. Remove code which refers to
956 (mark_reg_pointer): Use REG_POINTER.
957 (free_emit_status): Remove code which refers to regno_pointer_flag.
958 (init_emit, mark_emit_status): Likewise.
959 * flow.c (dump_flow_info): Likewise.
960 * function.c (preserve_temp_slots): Likewise.
961 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
962 Use x_regno_reg_rtx instead of regno_pointer_flag for function
963 pointer determination in map.
964 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
965 * predict.c (estimate_probability): Likewise.
966 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
967 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
968 regno_pointer_flag for function pointer determination in map.
969 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
971 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
973 (restore_unscaled_index_insn_codes): Revise comment.
975 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
977 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
979 * extend.texi: Update documentation for attributes.
981 2000-11-29 David O'Brien <obrien@FreeBSD.org>
983 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
984 (ASM_DECLARE_OBJECT_NAME): Same.
985 (ASM_FILE_END): Same.
986 (ASM_FINISH_DECLARE_OBJECT): Same.
987 (ASM_IDENTIFY_GCC): Same.
988 (ASM_IDENTIFY_LANGUAGE): Same.
989 (ASM_OUTPUT_CONSTRUCTOR): Same.
990 (ASM_OUTPUT_DEF): Same.
991 (ASM_OUTPUT_DESTRUCTOR): Same.
992 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
993 (ASM_OUTPUT_SECTION_NAME): Same.
994 (ASM_WEAKEN_LABEL): Same.
995 (BSS_SECTION_ASM_OP): Same.
996 (COMMON_ASM_OP): Same.
997 (CONST_SECTION_ASM_OP): Same.
998 (CONST_SECTION_FUNCTION): Same.
999 (CTORS_SECTION_ASM_OP): Same.
1000 (DTORS_SECTION_ASM_OP): Same.
1002 (FINI_SECTION_ASM_OP): Same.
1003 (IDENT_ASM_OP): Same.
1004 (IDENT_ASM_OP): Same.
1005 (INIT_SECTION_ASM_OP): Same.
1007 (MAX_OFILE_ALIGNMENT): Same.
1008 (SBSS_SECTION_ASM_OP): Same.
1009 (SDATA_SECTION_ASM_OP): Same.
1010 (SECTION_FUNCTION_TEMPLATE): Same.
1011 (SELECT_SECTION): Same.
1012 (SE_CONST_SECTION): Same.
1013 (SIZE_ASM_OP): Same.
1014 (SKIP_ASM_OP): Same.
1015 (STRING_ASM_OP): Same.
1016 (STRING_LIMIT): Same.
1017 (TYPE_ASM_OP): Same.
1018 (TYPE_OPERAND_FMT): Same.
1020 2000-11-29 Neil Booth <neilb@earthling.net>
1022 * c-decl.c (c_decode_option): Don't handle -lang-objc.
1023 * objc/lang-options.h: Remove -lang-objc.
1024 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
1025 * objc/objc-act.c (lang_init_options): Set c_language.
1027 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1029 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
1032 2000-11-29 Neil Booth <neilb@earthling.net>
1034 * c-pragma.c (init_pragma): Update for parse_in type change.
1036 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
1038 * configure.in: recognize DOS-style absolute paths.
1040 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1042 * expr.h (store_by_pieces): Add prototype.
1043 (can_store_by_pieces): Likewise.
1044 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
1045 (can_store_by_pieces): New.
1046 (store_by_pieces): New.
1047 (clear_by_pieces): New.
1048 (clear_by_pieces_1): New.
1049 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
1050 arbitrary compiler generated constants into memory block.
1051 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
1052 * builtins.c (c_readstr): New.
1053 (builtin_memcpy_read_str): New.
1054 (expand_builtin_memcpy): If src is string constant and
1055 emit_block_move would move it by pieces, compute integer constants
1056 from the string and store it into memory block instead.
1057 (builtin_strncpy_read_str): New.
1058 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
1059 not return INTEGER_CST, don't optimize.
1060 If N is larger than strlen(src) + 1, try to copy the string
1061 including padding with store_by_pieces.
1062 (expand_builtin_strcmp): If both arguments have side effects, don't
1064 (expand_builtin_fputs): If STR has side effects, don't optimize.
1066 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
1068 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
1069 Add use of link register.
1071 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
1073 * extend.texi: Update documentation for default format attributes.
1075 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
1077 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1078 a list, to keep track of the sections.
1080 2000-11-28 Nick Clifton <nickc@redhat.com>
1082 * config/arm/arm.md (pic_load_addr): Split into
1083 pic_load_addr_arm and pic_load_addr_thumb.
1085 * config/arm/arm.c (legitimize_pic_address): Generate either
1086 ARM or Thumb versions of pic_load_addr.
1087 (arm_finalize_pic): Generate either ARM or Thumb versions of
1090 2000-11-28 Richard Henderson <rth@redhat.com>
1092 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
1093 after sibcall do_pending_stack_adjust.
1095 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
1097 * jump.c (delete_insn): Check that REG_LABEL note actually contains
1100 2000-11-28 Neil Booth <neilb@earthling.net>
1102 * c-common.h: Remove flag_digraphs.
1103 * c-decl.c: Remove flag_digraphs.
1104 (c_decode_option): Don't set it.
1105 * c-lex.c (init_c_lex): Don't do anything for digraphs.
1107 2000-11-28 Richard Henderson <rth@redhat.com>
1109 * c-parse.in (finish_parse): Update for parse_in type change.
1112 2000-11-28 Neil Booth <neilb@earthling.net>
1114 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
1115 indicating whether to scan all buffers on the stack or
1117 * cppinit.c (do_includes): Update.
1118 * cppmain.c (main): Update.
1119 * cpplib.h: Update prototype.
1121 2000-11-28 Richard Henderson <rth@redhat.com>
1123 * genoutput.c (validate_insn_operands): New.
1124 (gen_insn): Call it.
1126 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
1127 (divmoddi_internal): Likewise.
1128 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
1129 * config/i960/i960.md (branch patterns): Likewise.
1130 * config/ia64/ia64.md (tbit_and_0): Likewise.
1131 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
1132 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
1133 * config/mips/mips.md (divmodsi4_internal): Likewise.
1134 (divmoddi4_internal): Likewise.
1135 * config/rs6000/rs6000.md (call patterns): Likewise.
1136 * config/sh/sh.md (movsi_y): Likewise.
1137 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
1139 2000-11-28 Richard Henderson <rth@redhat.com>
1141 * config.gcc: Kill residual pyramid support.
1143 2000-11-28 Neil Booth <neilb@earthling.net>
1145 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
1146 * c-decl.c (c_decode_option): Update to match.
1147 * c-lex.c (init_c_lex, yyparse): Update to match.
1148 * c-lang.c (lang_init_options): Use cpp_create_reader.
1149 * cppinit.c (cpp_init): Rename initialize.
1150 (cpp_reader_init): Rename cpp_create_reader. Create the
1151 reader. Initialize cpplib if appropriate.
1152 * cpplib.h (cpp_create_reader) New prototype.
1153 (cpp_init, cpp_reader_init): Delete prototypes.
1154 * cppmain.c (general_init, setup_callbacks): New functions.
1156 * fix-header.c (scan_in): Change type to cpp_reader *.
1157 (read_scan_file): Update for new cpplib interface and scan_in type.
1159 * cp/decl.c (parse_in): Change to cpp_reader *.
1160 (lang_decode_option): Update.
1161 * cp/lex.c (lang_init_options): Use new cpplib interface.
1162 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
1163 * cp/spew.c (read_token): Update.
1164 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
1166 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1168 * loop.c (load_mems): Avoid using next_label to find end_label. If
1169 jumping outside of the loop (other than loop end), don't hoist MEMs
1172 2000-11-28 Jan Hubicka <jh@suse.cz>
1174 * calls.c (expand_call): Don't disable tail recursion based
1177 2000-11-28 Neil Booth <neilb@earthling.net>
1179 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
1180 (struct directive): Drop 4th argument from handlers.
1181 (do_define, do_line, do_include, do_undef, do_else, do_elif,
1182 do_endif): Similarly.
1183 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
1184 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
1185 (make_definition, make_undef): Take a const char*.
1186 (make_assertion): New function.
1187 (struct directive_table): Update.
1188 (main): Handle -A command line argument.
1189 (handle_directive): Drop fourth handler argument.
1191 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
1193 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
1194 is anything but REG or MEM, but look inside STRICT_LOW_PART.
1196 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1198 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
1199 (IS_ABSOLUTE_PATHNAME): New macro.
1200 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
1202 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1204 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
1206 2000-11-27 Jim Wilson <wilson@redhat.com>
1208 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
1210 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
1212 * extend.texi (Nested Functions): Update URL of Usenix paper.
1214 2000-11-27 Mark Mitchell <mark@codesourcery.com>
1216 * function.c (free_after_compilation): Clear x_clobber_return_insn.
1218 2000-11-27 Neil Booth <neilb@earthling.net>
1220 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
1221 command line options.
1222 (cpp_handle_option): Similarly.
1223 * cpplib.h (struct cpp_options): Remove warn_paste.
1224 * cppmacro.c (paste_tokens): Apart from assembler, make
1225 unpasteable token warning mandatory.
1227 2000-11-27 Neil Booth <neilb@earthling.net>
1229 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
1230 (main): Allocate a pending directive set of these. Use it.
1231 Merge handling of -D and -U. Update handling of pending
1232 directives. Free the memory after use.
1234 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1236 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
1237 (struct propagate_block_info): Add new member cond_local_set.
1238 (propagate_block): Accept new arg cond_local_set. All callers
1240 (init_propagate_block_info): Likewise.
1241 (calculate_global_regs_live): Allocate & free cond_local_set. Always
1242 rescan if there's overlap between cond_local_set and new_live_at_end.
1243 (mark_set_1): Set bits either in cond_local_set or local_set, as
1245 * basic-block.h (struct basic_block_def): New field cond_local_set.
1246 (propagate_block, init_propagate_block_info): Update prototypes.
1248 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
1250 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
1253 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1255 * arm.c (select_dominance_cc_mode): Handle new way that combine
1256 canonicalizes conditional compares.
1257 (arm_select_cc_mode): Likewise.
1258 * arm.md: Garbage collect some dead code.
1259 (cmp_and, cmp_ior): New patterns.
1260 (splitter for conditional move with inverted false): Use cond_exec
1261 and handle unordered comparisons.
1263 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
1265 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
1266 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
1267 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
1268 ix86_force_to_memory and ix86_free_from_memory.
1270 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1272 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
1273 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
1274 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
1275 one_cmpldi2): Merge with splitters to create define_insn_and_split
1276 patterns. Remove redundant splits.
1277 (peephole2 for add:SI of invalid immediate): New.
1278 (peephole2 for minus:SI of invalid immediate): New.
1279 (peephole2 for ior:SI of invalid immediate): New.
1280 (peephole for merge of move and compare): Convert ot peephole2.
1281 (addsf3, adddf3): Mark as commutative.
1283 * arm.md (thumb peephole for merging stack adjustments): Convert to
1286 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1288 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
1290 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
1291 (reload_cse_simplify_operands): Do nothing about operands where both
1292 the operand and the match_operand fail to give us a mode.
1293 * simplify-rtx.c (wrap_constant): New function.
1294 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
1295 CONST describing the proper mode.
1296 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
1298 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
1299 htab_find_slot_with_hash.
1300 (cselib_lookup): Likewise.
1302 Based on a patch from Geoff Keating <geoffk@redhat.com>:
1303 * loop.c (basic_induction_var): If a REG is set from something
1304 that is not a biv, then the REG is not a biv. Even if it is
1305 earlier set from something that is a biv.
1307 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
1309 * configure.in (extra_objs): Enclose extra_headers in quotes.
1310 * configure: Rebuilt.
1312 2000-11-27 Neil Booth <neilb@earthling.net>
1314 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
1315 Combine into the new function cb_change_file.
1316 (init_c_lex): Update.
1317 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
1318 (cpp_syshdr_flags): Delete.
1319 * cpphash.h (_cpp_do_file_change): New prototype.
1320 Move struct cpp_buffer here from...
1321 * cpplib.h (struct cpp_buffer): ... here.
1322 (enum cpp_fc_reason, struct cpp_file_loc,
1323 struct_cpp_file_change, change_file): New.
1324 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
1325 * cpplib.c (do_line): Update for new cb_change_file callback.
1326 (_cpp_do_file_change): New function.
1327 (_cpp_pop_buffer): Update to use it.
1328 * cppmain.c (move_printer): Delete.
1329 (main): Set up single callback cb_change_file.
1330 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
1331 (cb_change_file): New.
1332 * fix-header.c (cur_file, cb_change_file): New.
1333 (recognized_function, read_scan_file): Update.
1334 * scan-decls.c (scan_decls): Update.
1335 * scan.h (recognized_function): Update prototype.
1337 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1339 * tree.h (mark_tree_hashtable): New function.
1340 * tree.c (mark_tree_hashtable_entry): New function.
1341 (mark_tree_hashtable): Likewise.
1343 2000-11-27 Michael Meissner <meissner@redhat.com>
1345 * d30v-protos.h (srelational_si_operator): Correctly spell
1347 (urelational_si_operator): Ditto.
1348 (relational_si_operator): Ditto.
1349 (d30v_expand_prologue): Add prototype.
1350 (d30v_expand_epilogue): Ditto.
1352 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
1354 * d30v.md (movcccc_*): Delete now unused patterns.
1355 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
1357 (define_cond_exec): Use 'b' to select branch flags.
1359 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1361 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
1363 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
1365 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
1367 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1368 strncpy and strncmp.
1370 * extend.texi (strncmp, strncpy): Document new builtins.
1372 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1374 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1375 a list, to keep track of the sections.
1376 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
1377 parameter provided will always be a canonical string.
1379 2000-11-26 Neil Booth <neilb@earthling.net>
1381 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
1384 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
1386 * makefile.vms: Remove EGCS references.
1388 2000-11-26 Ulrich Drepper <drepper@redhat.com>
1390 * dwarf2out.c (output_file_names): New function. Compute minimal
1391 combination of directory and file name table and emit them.
1392 (output_line_info): Remove code to emit directory and file name
1393 table and call output_file_names instead.
1394 (file_info_cmp): Helper function to sort directory names.
1396 2000-11-26 Neil Booth <neilb@earthling.net>
1398 * cpplib.h (struct cpp_reader): Remove lang_asm.
1399 (struct cpp_options): Remove c89. New members lang,
1401 * cppexp.c (parse_number): Use them.
1402 * cpphash.h (VALID_SIGN): Use them.
1403 * cppinit.c (set_lang, cpp_start_read): Update.
1404 * cpplex.c (parse_string, _cpp_lex_token): Update.
1405 * cpplib.c (_cpp_handle_directive): Update.
1406 * cppmacro.c (parse_args): Update.
1407 * cppmain.c (scan_buffer): Update.
1409 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1411 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
1414 2000-11-26 Neil Booth <neilb@earthling.net>
1416 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
1417 * c-decl.c: Remove parse_in declaration.
1418 * c-lang.c: Similarly.
1419 * c-lex.c: Similarly.
1420 * c-parse.in: Similarly.
1421 * c-pragma.c: Similarly.
1422 * configure.in: Similarly.
1423 * cp/Make-lang.in: Similarly.
1424 * cp/spew.c: Similarly.
1425 * cp/decl2.c: Remove check for lang-c++ option.
1426 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
1427 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
1428 * c-lex.h: Add declaration of parse_in.
1429 * cppinit.c: Call set_lang after allocating pfile->pending.
1430 * configure: Regenerate.
1432 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
1434 * combine.c (try_combine): Remove redundant test.
1436 2000-11-25 Richard Henderson <rth@redhat.com>
1438 * c-common.h (DECL_C_HARD_REGISTER): New.
1439 * c-decl.c (finish_decl): Set it for asm register variables.
1440 * c-semantics.c (emit_local_var): Test it when instantiating one.
1442 2000-11-25 Richard Henderson <rth@redhat.com>
1444 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
1445 lineno for the start of the function.
1447 2000-11-25 Richard Henderson <rth@redhat.com>
1449 * dwarf2out.c (file_table, file_table_allocated): Remove.
1450 (file_table_allocated): Remove.
1451 (struct file_table): New.
1452 (decl_file_table, line_file_table): New.
1453 (print_dwarf_line_table): Use them.
1454 (size_of_line_prolog): Likewise.
1455 (output_line_info): Likewise.
1456 (add_src_coords_attributes): Likewise.
1457 (gen_subprogram_die): Likewise.
1458 (gen_variable_die): Likewise.
1459 (dwarf2out_add_library_unit_info): Likewise.
1460 (dwarf2out_line): Likewise.
1461 (lookup_filename): Take a struct file_table argument.
1462 (init_file_table): New.
1463 (dwarf2out_init): Use it.
1465 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
1467 * invoke.texi: Update sequence points references.
1469 2000-11-25 Neil Booth <neilb@earthling.net>
1471 * c-common.c: Remove USE_CPPLIB conditional inclusions.
1472 * c-common.h: Similarly.
1473 * c-decl.c: Similarly.
1474 * c-lang.c: Similarly.
1475 * c-lex.c: Similarly.
1476 * c-parse.in: Similarly.
1477 * c-pragma.c: Similarly.
1478 * c-pragma.h: Similarly.
1480 * toplev.c: Similarly.
1481 * cp/cp-tree.h: Similarly.
1482 * cp/decl2.c: Similarly.
1483 * cp/lang-specs.h: Similarly.
1484 * cp/lex.c: Similarly.
1485 * cp/lex.h: Similarly.
1486 * cp/spew.c: Similarly.
1487 * java/lang-options.h: Similarly.
1488 * objc/lang-specs.h: Similarly.
1489 * objc/objc-act.c: Similarly.
1491 * configure.in: Remove configure option.
1492 * config.in: Regenerate.
1493 * configure: Regenerate.
1495 2000-11-25 Richard Henderson <rth@redhat.com>
1497 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
1498 Revert 2000-11-22 change.
1500 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
1502 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
1505 2000-11-25 Philipp Thomas <pthomas@suse.de>
1506 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
1507 * configure: Rebuilt.
1509 2000-11-25 Jakub Jelinek <jakub@redhat.com>
1511 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
1512 Handle CONST_INT as second argument.
1513 * config/sparc/sparc.c (set_extends): Remove first argument.
1514 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
1516 (sparc_check_64): Abort if first argument is not REG.
1517 If it is DImode REG, look at the lower register of the register
1520 * config/sparc/sparc.c (load_pic_register, restore_regs,
1521 output_return, sparc_v8plus_shift, sparc_function_profiler,
1522 sparc_function_block_profiler, sparc_block_profiler): Fix output
1525 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
1527 * config/sh/sh.h (TARGET_NONE): New.
1528 (TARGET_SWITCHES): For all variant-selecting switch, use
1529 TARGET_NONE to reset all other variant-selecting switch. Added
1530 empty strings to avoid warnings.
1531 (TARGET_DEFAULT): Set to SH1_BIT.
1533 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
1536 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
1537 (sibcall_pcrel): New insn_and_split.
1538 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1540 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
1541 symPLT_label2reg, call, call_value): Don't set
1542 current_function_uses_pic_offset_table.
1543 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
1544 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
1545 takes it into account.
1546 (FINALIZE_PIC): Delete, useless.
1547 (LEGITIMATE_CONSTANT_P): Delete, unused.
1548 * config/sh/sh.c (sh_expand_prologue): Don't use
1549 current_function_uses_pic_offset_table. Don't special-case
1550 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
1552 (sh_expand_epilogue, initial_elimination_offset): Don't
1553 special case PIC_OFFSET_TABLE_REGNUM.
1555 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
1557 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
1558 * config/sh/sh.md (UNSPEC_CALLER): New constant.
1559 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
1560 (call_pcrel, call_value_pcrel): New insn_and_splits.
1561 (call, call_value): Use them.
1562 (call_site): New expand.
1563 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
1564 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
1565 Output call_site label.
1566 (PREDICATE_CODES): Added symbol_ref_operand.
1567 * config/sh/sh.c (symbol_ref_operand): Define.
1568 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
1569 to CALL_INSNs in the split sequence.
1571 2000-11-24 Nick Clifton <nickc@redhat.com>
1573 * config.gcc (v850-*-*): Define c_target_objs and
1576 * config/v850/t-v850: Define how to build v850-c.o
1578 * config/v850/v850.h (struct data_area_stack_element): Move
1579 definition here from v850.c.
1581 * config/v850v850.c: Include gcc.h to avoid compile time
1583 (push_data_area): Move to v850-c.c.
1584 (pop_data_area): Move to v850-c.c.
1585 (mark_current_function_as_interrupt): Move to v850-c.c.
1586 (GHS_default_section_names): Allow to be exported.
1587 (GHS_current_section_names): Allow to be exported.
1588 (data_area_stack_elements): Allow to be exported.
1589 (ghs_pragma_section): Move to v850-c.c.
1590 (ghs_pragma_interrupt): Move to v850-c.c.
1591 (ghs_pragma_starttda): Move to v850-c.c.
1592 (ghs_pragma_startsda): Move to v850-c.c.
1593 (ghs_pragma_startzda): Move to v850-c.c.
1594 (ghs_pragma_endtda): Move to v850-c.c.
1595 (ghs_pragma_endsda): Move to v850-c.c.
1596 (ghs_pragma_endzda): Move to v850-c.c.
1598 * config/v850/v850-c.c: New file: Contains v850 specific
1599 pragma parsing functions.
1601 2000-11-24 Nick Clifton <nickc@redhat.com>
1603 * config.gcc (extra_objs): Remove duplicate description.
1604 (c_target_objs): New variable. Contains target specific
1605 object files for the gcc C compiler only.
1606 (cxx_target_objs): New variable. Contains target specific
1607 object files for the gxx C++ compiler only.
1609 * configure.in (c_target_objs): Substitute in the makefile.
1610 (cxx_target_objs): Substitute in the makefile.
1611 * configure: Regenerate.
1613 * Makefile.in (C_TARGET_OBJS): Define and initialise from
1615 (CXX_TARGET_OBJS): Define and initialise from
1617 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
1619 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
1621 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
1622 about how the use of the 'c_lex' function requires the use of
1623 the target specific, language specific object files feature of
1624 the configuration mechanism.
1626 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1628 * gcc.c (process_command): Use F_OK, not R_OK.
1630 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
1632 * flow.c (print_rtl_and_abort): Remove ANSIism.
1634 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
1636 * config/sh/sh.h (GENERAL_REGISTER_P,
1637 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
1638 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
1640 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
1641 * config/sh/sh.c: Use new macros.
1642 * config/sh/sh.md: Likewise.
1644 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
1646 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
1647 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
1650 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
1652 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
1654 (machine_dependent_reorg): Wrong optimization based on
1655 NOTICE_UPDATE_CC removed.
1657 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
1659 * jump.c (delete_computation): Re-instate deletion of feeding insn.
1660 (delete_insn): Look for REG_LABEL notes.
1661 (redirect_tablejump): Delete feeding insns.
1663 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
1665 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
1666 call_value_pop_1): Make sure operand numbers are contiguous.
1668 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
1670 * reload1.c (conflicts_with_override): New function.
1671 (emit_input_reload_insns): Use it to tighten test for validity
1672 of substituting into output of previous insn.
1674 * haifa-sched.c (struct ready_list): New.
1675 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
1677 (schedule_insn): Replace args READY and N_READY with a pointer to a
1678 ready_list; return void. Use the new functions to access the ready
1679 list. All callers changed.
1680 (queue_to_ready, debug_ready_list): Likewise.
1681 (schedule_block): Initialize a ready_list structure. Use new
1682 functions to access it.
1683 (max_priority): Remove unused variable.
1684 (schedule_insn): Don't set it.
1686 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
1688 * combine.c (cant_combine_insn_p): New function.
1689 (try_combine): Use it.
1691 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
1692 * c-common.c (c-obstack.c): Include "obstack.h".
1693 (struct reverse_tree): Delete.
1694 (reverse_list, reverse_max_depth): Delete.
1695 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
1696 (struct tlist, struct tlist_cache): New.
1697 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
1698 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
1699 warn_for_collisions, warn_for_collisions_1, new_tlist): New
1701 (verify_sequence_points): Rewritten.
1702 * fold-const.c (fold): Don't lose possibly important sequence
1703 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
1705 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
1707 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
1708 when reversing a register-to-register copy. Reversal now disabled
1709 when the previous instruction has a REG_EQUIV.
1711 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
1713 * c-parse.in (unary_expr): Move VA_ARG from here ...
1714 (primary): ... to here.
1716 2000-11-23 Graham Stott <grahams@redhat.com>
1718 * expr.c (store_constructor): If a field is non addressable and
1719 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
1721 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
1723 * flow.c (print_rtl_and_abort): New function.
1724 (verify_wide_reg, verify_local_live_at_start): Try to dump more
1725 information before aborting.
1727 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
1729 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
1730 is narrower than requested mode.
1731 (gen_highpart): Abort if register mode is narrower than
1734 2000-11-23 Graham Stott <grahams@redhat.com>
1736 * cse.c (cse_insn): Initialise all regcost variables.
1737 Fix a typo add missing '='.
1738 Only compare costs if there is a replacement insn.
1740 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
1742 * final.c (output_addr_const) [LABEL_REF]: Simplify.
1743 [MINUS]: Enclose non-CONST_INTs in parentheses.
1744 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
1745 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
1746 * varasm.c (decode_rtx_const) [CONST]: If it's not something
1747 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
1748 instead of abort()ing.
1749 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
1750 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
1751 formerly handled in output_pic_addr_const.
1752 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
1753 operands of MINUS in CONSTs so that decode_rtx_const() will
1756 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
1758 * config/sh/sh.md (mova_const): New pattern.
1759 (GOTaddr2picreg): Use it.
1760 * config/sh/sh.c (broken_move): Match it.
1761 (mova_p): Don't match it.
1762 (machine_dependent_reorg): Adjust it.
1764 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
1766 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
1767 Moved most register-number #defines...
1768 * config/sh/sh.md (define_constants): ... here. Use macros to
1769 refer to registers and unspecs.
1770 * config/sh/sh.c: Likewise.
1772 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
1774 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
1775 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
1776 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1777 (splay-tree.o, hash.o): Likewise.
1779 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
1780 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1781 (hashtab.o): Likewise.
1782 (gcov.o): Depend on $(CONFIG_H).
1783 * configure.in: #include insn-codes.h in tm.h.
1785 2000-11-22 Nick Clifton <nickc@redhat.com>
1787 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
1788 const char * to avoid a compile time warning.
1790 * config/arm/arm.md (define_constants): Define symbolic names for
1791 the link register, last integer register and the fake CC register.
1792 Update patterns to use these symbolic names.
1794 2000-11-22 Neil Booth <neilb@earthling.net>
1796 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
1797 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
1799 2000-11-22 Richard Henderson <rth@redhat.com>
1801 * haifa-sched.c (sched_analyze_1): Don't special-case calls
1802 for clobbering registers.
1803 (sched_analyze_2): Likewise.
1804 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
1806 2000-11-22 Chris Demetriou <cgd@sibyte.com>
1807 Neil Booth <neilb@earthling.net>
1809 * gcc.c (validate_switches): Validate multiple switches named
1810 in '|' (or) expressions in specs.
1811 (handle_braces): If more than 1 alternative in a '|' spec
1812 matches, call do_spec1 just once.
1814 2000-11-22 Michael Meissner <meissner@redhat.com>
1816 * d30v.h (TARGET_SWITCHES): Add documentation strings.
1817 (TARGET_OPTIONS): Ditto.
1818 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
1821 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
1823 * pa.c (hppa_encode_label): Account for addition of encoding
1824 character when allocating persistent space for the new label
1827 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
1829 * Makefile.in, config.gcc, configure.in: Expunge remaining
1830 traces of facility for running MD files through C preprocessor.
1832 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
1834 * gcov.texi: Add magic comments for texi2pod.pl.
1835 * Makefile.in: Add rules to generate and install gcov.1.
1836 * gcov.1: New (generated) file.
1838 2000-11-21 Richard Henderson <rth@redhat.com>
1840 * regrename.c (scan_rtx_reg): Terminate the chain rather than
1841 abort on mark_read with NO_REGS.
1843 2000-11-21 Mike Stump <mrs@wrs.com>
1845 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
1846 compilation with older compilers, such as /bin/cc on SunOS.
1847 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
1849 2000-11-21 Richard Henderson <rth@redhat.com>
1851 * varasm.c (record_constant): Pad the constructed
1852 constant_descriptor appropriately.
1854 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
1856 * rtl.h (traverse_md_constants): Declare.
1857 (struct md_constant): Define.
1858 * Makefile.in (HOST_RTL): Add hashtab.o .
1859 (OBJS): Add hashtab.o .
1860 (hashtab.o): New rule.
1861 (rtl.o): Depends on HASHTAB_H.
1862 * rtl.c (hashtab.h): #include.
1863 (md_constants): New static variable.
1864 (def_hash, def_name_eq_p, read_constants): New static functions.
1865 (traverse_md_constants): New function.
1866 (read_name): Do constant expansion.
1867 (read_rtx): Recognize define_constants.
1868 * gencodes.c (print_md_constant): New function.
1869 (main): Emit #defines for all constant definitions encountered.
1870 * md.texi (Constant Definitions): New node.
1871 * gensupport.c (xcalloc): New function.
1873 2000-11-21 Richard Henderson <rth@redhat.com>
1875 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
1876 * config/alpha/alpha-protos.h: Declare it.
1877 * config/alpha/alpha.md (abstf_internal): Use it.
1878 (negtf_internal): Likewise.
1879 (andnotdi3): Unstar the name.
1880 (movtf_internal): Add o/G alternative.
1882 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
1884 * stringpool.c (stringpool_statistics): Also report number and
1885 percentage of entries which are identifiers.
1887 2000-11-21 Diego Novillo <dnovillo@redhat.com>
1889 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
1890 visited before visiting it.
1892 2000-11-21 Nick Clifton <nickc@redhat.com>
1894 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
1895 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
1897 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
1899 2000-11-21 Richard Henderson <rth@redhat.com>
1901 * c-common.c (c_unsafe_for_reeval): New function.
1902 (add_c_tree_codes): Register it.
1903 * c-common.h: Declare it.
1904 * tree.c (lang_unsafe_for_reeval): New hook.
1905 (unsafe_for_reeval): Call it.
1906 * tree.h: Declare it.
1908 2000-11-21 Richard Henderson <rth@redhat.com>
1910 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
1913 2000-11-21 Neil Booth <neilb@earthling.net>
1915 * do_includes: Revert to using cpp_read_file.
1917 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
1919 * loop.c (consec_sets_giv): If the reg we're examining is anything
1920 but UNKNOWN_INDUCT, do nothing.
1921 Reset the reg's type to UNKNOWN_INDUCT before returning.
1923 Mostly from Vladimir Makarov (vmakarov@redhat.com)
1924 * ia64.md (attr itanium_class): Define insn types as described in
1926 (all insn patterns): Use itanium_class, not type attributes.
1927 Occasionally split alternatives as necessary.
1928 (attr type): Compute from new attr itanium_class.
1930 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1932 * tradcpp.c (output_line_command): Mark system headers as such in
1935 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1937 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
1938 support in as as well.
1939 * configure: Regenerate.
1941 2000-11-20 Richard Henderson <rth@redhat.com>
1943 * c-lex.c (orig_filename): New variable.
1944 (init_c_lex): Set it. Move call to cpp_start_read ...
1945 (yyparse): ... here. New function.
1946 * c-parse.in (yyparse_1): Rename the parser entry point.
1947 * c-tree.h: Declare it.
1949 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1951 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
1952 integer constant, use type of op1 for comparison.
1954 2000-11-20 Stan Shebs <shebs@apple.com>
1956 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
1957 * config/rs6000/x-darwin: New file, Darwin host fragment.
1958 * config.gcc (powerpc-*-darwin*): New host.
1959 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
1960 overridden by a config file.
1962 2000-11-20 Neil Booth <neilb@earthling.net>
1964 * cppmacro.c (paste_tokens): Rename from paste_payloads.
1965 Change token type after pasting spellings.
1966 (paste_all_tokens): Use it.
1967 * gcc.dg/cpp/paste2.c: Update test.
1968 * objc/execute/paste.m: New test.
1970 2000-11-20 Richard Henderson <rth@redhat.com>
1972 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
1973 dwarf_subscr_data_formats bits.
1974 * dwarfout.c (simple_type_size_in_bits): Handle a type with
1975 no computed size as size zero.
1976 (field_byte_offset): Likewise.
1977 (subscript_data_attribute): Handle a range with no upper bound.
1979 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1981 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
1983 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1985 * c-typeck.c (build_conditional_expr): When merging type
1986 qualifiers for conditional expressions between a pointer and a
1987 pointer to a void type, merge the qualifiers on the target types
1988 rather than the pointer type. Remove obsolete conditioned out
1991 2000-11-20 Neil Booth <neilb@earthling.net>
1993 * c-lang.c (lang_init_options): Update call to
1995 * cppmain.c (main): Similarly.
1996 * fix-header.c (read_scan_file): Similarly.
1997 * cp/lex.c (lang_init_options): Similarly.
1998 * objc/objc-act.c (lang_init_options): Similarly.
1999 * cppexp.c (parse_number): Only warn for unextended C89.
2000 * cppinit.c (set_lang): New function.
2001 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
2002 (COMMAND_LINE_OPTIONS): New option std=c++98.
2003 (cpp_handle_option): Use set_lang.
2004 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
2005 * cppib.h (enum_c_lang): New enumeration. Update comments.
2007 2000-11-20 Will Cohen <wcohen@redhat.com>
2009 * calls.c (expand_call): Clear target only when target is in
2010 hard register and current_function_check_memory_usage is set.
2012 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
2014 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
2016 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
2018 2000-11-19 Richard Henderson <rth@redhat.com>
2020 * crtstuff.c (force_to_data): Use array size 1 not 0.
2022 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
2023 no computed size as size zero.
2024 (field_byte_offset): Likewise.
2026 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2028 * config.gcc: Fix another typo.
2030 2000-11-19 Richard Henderson <rth@redhat.com>
2032 * c-decl.c (grokdeclarator): Support flexible array members.
2033 Use open-ended ranges for these and zero-length arrays.
2034 * c-typeck.c (push_init_level): Validate the context of
2035 initialization of a zero-length array.
2036 * tree.c (int_fits_type_p): Be prepared for missing bounds.
2037 * varasm.c (array_size_for_constructor): New.
2038 (output_constructor): Use it for arrays of unspecified length.
2039 * extend.texi (Zero Length): Mention C99 flexible array members.
2040 Document initialization in a top-level struct as valid.
2042 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
2044 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
2046 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
2047 stdarg and varargs functions.
2049 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
2051 * gcc.c (process_command): Define 'j' variable when
2052 MODIFY_TARGET_NAME is defined.
2054 2000-11-19 Richard Henderson <rth@redhat.com>
2056 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
2058 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2060 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
2061 calculation and allocation.
2063 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2065 * builtins.c (c_getstr): Constify variable.
2066 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
2067 * conflict.c (const_conflict_graph_arc): New typedef.
2068 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
2069 * cppmacro.c (builtin_macro): Likewise.
2070 * dwarf2out.c (output_comp_unit): Constify variable.
2071 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
2072 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
2073 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
2075 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
2076 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
2077 * varasm.c (const_str_htab_hash, const_str_htab_eq,
2078 compare_constant_1, record_constant_1): Constify.
2080 2000-11-18 Richard Henderson <rth@redhat.com>
2082 * c-decl.c (grokdeclarator): Special case the creation of an
2083 index for a zero-length array.
2084 * tree.c (build_index_type): Revert Oct 20 change.
2086 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
2088 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
2089 * config/avr/avr.c (jump_tables_size): New variable.
2090 (function_prologue): Initialize it as 0.
2091 (function_epilogue): Add it to function_size.
2092 (avr_output_addr_vec_elt): New function. Count words in jump
2093 tables in jump_tables_size. Move code ...
2094 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
2095 Call avr_output_addr_vec_elt instead.
2096 * config/avr/avr.md (tablejump): Remove disabled define_expand.
2098 2000-11-18 Mark Mitchell <mark@codesourcery.com>
2100 * configure.in: Make --enable-new-gxx-abi the default.
2101 * configure: Likewise.
2103 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2105 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
2107 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
2108 Move extern function declarations to tradcpp.h.
2110 * tradcpp.c: Likewise.
2112 * tradcpp.h: New file.
2114 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
2116 * c-decl.c (check_for_loop_decls): New function.
2117 * c-parse.in (for_init_stmt): New.
2118 (select_or_iter_stmt): Use for_init_stmt.
2119 * c-tree.h (check_for_loop_decls): New declaration.
2121 2000-11-18 Neil Booth <neilb@earthling.net>
2123 * cppinit.c: Update comments.
2124 (cpp_reader_init): Make -imacro and -include use the standard
2125 #include "" search path.
2126 (do_includes): New function.
2128 2000-11-18 Ben Elliston <bje@redhat.com>
2130 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
2131 out of a branch delay slot.
2133 2000-11-17 Richard Henderson <rth@redhat.com>
2135 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2136 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
2137 (ASM_FILE_START): Only write out ecoff .file directive if
2138 emitting mdebug debugging.
2140 2000-11-17 Richard Henderson <rth@redhat.com>
2142 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
2143 whether as accepts .file/.loc and produces dwarf2 line info.
2144 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
2145 the assembler supports it.
2146 * config.in, configure: Regenerate.
2148 2000-11-17 Richard Henderson <rth@redhat.com>
2150 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
2152 2000-11-17 Jim Wilson <wilson@redhat.com>
2154 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
2155 Don't clear need_barrier is next_insn is a CALL_INSN, or has
2156 instruction type B or UNKNOWN.
2158 2000-11-17 Neil Booth <neilb@earthling.net>
2160 * cpperror.c (print_file_and_line): Don't display line number if 0.
2162 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
2164 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
2165 digit_vector and digit_string.
2166 * stringpool.c (digit_vector): New.
2167 (ggc_alloc_string): Use digit_string.
2169 * stmt.c (digit_strings): Delete.
2170 (init_stmt): Do not initialize digit_strings.
2171 (expand_asm_operands): Use ggc.h's digit_string macro.
2172 * toplev.c (mark_file_stack): Delete.
2173 (compile_file): Don't call init_tree_codes.
2174 (main): No need to make the file stack a GC root.
2175 * tree.c (init_tree_codes): Delete.
2176 * tree.h (init_tree_codes): Delete.
2178 * c-lex.c: Don't include ggc.h.
2179 (mark_splay_tree_node, mark_splay_tree): Delete.
2180 (init_c_lex): No need to ggc_strdup string constant. Don't add
2181 file_info_tree to GGC roots.
2182 (cb_enter_file, cb_rename_file): No need to ggc_strdup
2185 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
2187 * dbxout.c (dbxout_init),
2188 dwarf2out.c (dwarf2out_line),
2189 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
2190 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
2191 xcoffout.c (xcoffout_source_file),
2192 i386.c (load_pic_register):
2193 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
2195 * except.c (create_rethrow_ref),
2196 profile.c (init_edge_profiler),
2197 toplev.c (compile_file),
2198 varasm.c (named_section, assemble_static_space,
2199 assemble_trampoline_template, output_constant_def, force_const_mem),
2200 i386.c (load_pic_register),
2201 ia64.c (ia64_encode_section_info),
2202 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
2203 rs6000_emit_prologue, rs6000_emit_epilogue),
2204 rs6000.md (load_toc_aix_si, load_toc_aix_di):
2205 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
2207 * profile.c (output_func_start_profiler),
2209 i386.c (load_pic_register): No need to ggc_strdup string constant.
2211 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2213 * Makefile.in (config.status): Depend on config.gcc.
2214 * configure.in <for machine in $build $host $target>: Move
2215 contents of loop into config.gcc, removing autoconf quoting.
2216 Fix changequote bug for alpha*-*-vxworks*.
2217 * configure: Regenerate.
2220 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2222 * c-parse.in (if_prefix): Find the filename and line number at
2223 $-2 and $-1 respectively.
2224 * diagnostic.c (error_recursion): Add missing newline, use
2225 fputs, translate string.
2227 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2229 * stringpool.c: New file.
2230 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
2231 (ggc_alloc_string): Now in stringpool.o.
2232 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
2233 * ggc.h: Delete prototype of ggc_add_string_root. #define
2234 ggc_add_string_root and ggc_mark_string to nothing. Prototype
2235 init_stringpool and stringpool_statistics.
2236 (ggc_alloc_string): Returns a const char *.
2237 * tree.c (hash_table, do_identifier_warnings): Delete.
2238 (init_obstacks): Don't initialize the identifier hash table.
2239 (get_identifier, maybe_get_identifier, start_identifier_warnings,
2240 set_identifier_size): Now in stringpool.c.
2241 * tree.h (struct tree_string): Constify pointer field.
2242 (approx_sqrt): Prototype.
2244 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
2246 * toplev.c (approx_sqrt): New function.
2247 (compile_file): Call stringpool_statistics if mem_report is on.
2248 (main): Call init_stringpool.
2250 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
2251 (process_directive), c-typeck.c (constructor_asmspec, struct
2252 initializer_stack, start_init), except.c (create_rethrow_ref),
2253 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
2254 (built_in_filename), varasm,c (in_named_name,
2255 assemble_static_space, struct constant_descriptor, struct
2256 deferred_string, struct pool_constant, force_const_mem),
2257 i386.c (pic_label_name, global_offset_table_name), rs6000.c
2258 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
2260 * c-common.c (combine_strings): Combine strings in scratch
2261 buffer, then pass to build_string.
2262 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
2263 output_func_start_profiler), stmt.c (init_stmt), alpha.c
2264 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
2265 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
2266 rs6000.c (rs6000_encode_section_info): Create string in
2267 scratch buffer, then pass to ggc_alloc_string.
2269 * stmt.c (expand_asm_operands): If we must adjust the
2270 constraint strings, do so by creating a new one, not by
2271 modifying the old one in place. Constify some char *s.
2272 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
2273 argument. Create string in scratch buffer, then pass to
2275 * config/pa/pa-protos.h: Update prototype.
2276 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
2277 hppa_encode_label takes only one argument.
2279 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2281 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
2284 * cpplib.c (glue_header_name): Likewise.
2286 * fixincl.c (run_compiles, start_fixer): Likewise.
2288 * fixlib.c (load_file_data): Likewise.
2290 * mkdeps.c (munge): Likewise.
2292 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2294 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
2295 trailing ';'. Fix formatting.
2297 2000-11-16 Jim Wilson <wilson@redhat.com>
2299 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
2300 Shift masks left by one to avoid conflict.
2302 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
2305 2000-11-16 Nick Clifton <nickc@redhat.com>
2307 * config/arm/arm.c (output_arm_prologue): Note nested functions.
2308 (arm_expand_prologue): For nested functions preserve the
2309 static chain register during stack frame creation.
2311 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
2312 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
2313 with a stack frame there is a 4 byte gap between the arg
2314 pointer and the hard frame pointer (used to preserve the
2315 static chain register during stack frame creation).
2317 2000-11-16 DJ Delorie <dj@redhat.com>
2319 * rtl.c (read_rtx): Provide suitable names for unnamed
2320 define_insn and define_insn_and_split patterns, based on file
2323 2000-11-15 Neil Booth <neilb@earthling.net>
2325 * cpplib.c (start_directive, end_directive): New functions.
2326 (_cpp_handle_directive, run_directive): Use them.
2327 (_cpp_handle_directive): Don't -Wtraditional on indented
2329 (_cpp_push_buffer): Don't re-clear was_skipping.
2330 * cpplib.h (struct cpp_reader): New member la_saved.
2331 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
2334 gcc.dg/cpp/_Pragma1.c: Update.
2335 gcc.dg/cpp/_Pragma2.c: New test.
2337 2000-11-15 Mark Mitchell <mark@codesourcery.com>
2339 * toplev.c (wrapup_global_declarations): Don't write out
2340 artificial static variables that aren't needed.
2342 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
2344 * ia64.c (struct group): New structure.
2345 (last_group): New static array.
2346 (group_idx): New static variable.
2347 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
2348 New static functions.
2349 (emit_insn_group_barriers): Initialize and keep track of group_idx
2351 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
2352 Replace all calls to emit_insn_after that emit a group barrier to use
2353 emit_group_barrier_after.
2354 * ia64.h (MASK_B_STEP): New.
2355 (other MASK_XXX macros): Renumbered.
2356 (TARGET_B_STEP): New.
2357 (TARGET_SWITCHES): Add -mb-step.
2359 2000-11-15 Fred Fish <fnf@be.com>
2361 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
2362 machines for which fixincludes is not needed.
2363 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
2365 2000-11-15 Jason Merrill <jason@redhat.com>
2367 * diagnostic.c (finish_abort): New fn.
2368 (fancy_abort, error_recursion): Use it.
2369 * toplev.c (crash_signal): Likewise.
2370 * diagnostic.h: Declare it.
2372 2000-11-13 Andrew Haley <aph@redhat.com>
2374 * tree.c (build_type_no_quals): New function.
2375 * tree.h (build_type_no_quals): Declare.
2376 * c-common.c (c_get_alias_set): When considering type
2377 compatibility for pointer types, ignore cv-qualifiers anywhere in
2380 2000-11-15 Graham Stott <grahams@redhat.com>
2382 * regrename.c (scan_rtx_rtx): Skip to the next chain on
2383 encountering a terminated chain.
2385 2000-11-14 Mark Mitchell <mark@codesourcery.com>
2387 * configure.in: Move check for V3 above check for C++ header-file
2389 * configure: Regenerated.
2391 2000-11-14 DJ Delorie <dj@redhat.com>
2393 * config/v850/v850.c: Remove obstacks.
2395 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
2397 * config/avr/avr.c (avr_case_values_threshold): New.
2398 (avr_override_options): Set it depending on options, make it large
2399 when not optimizing to work around "unable to generate reloads".
2401 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
2402 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
2403 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
2404 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
2405 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
2406 (avr_case_values_threshold): Declare as extern int.
2407 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
2409 * config/avr/avr.md (tablejump): Removed.
2410 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
2411 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
2412 index in the table, not multiplied by 2.
2413 (casesi): Change to match the above insns. Always enable.
2415 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
2416 Change to expect the word address of the table, multiply it by 2
2417 here and not in the caller. Change "adiw" to faster "inc".
2419 2000-11-14 Neil Booth <neilb@earthling.net>
2421 * cppexp.c (parse_defined): Call cpp_get_token not
2424 * cpplex.c (cpp_output_line): Similarly.
2425 * cpplib.c (glue_header_name, do_line, do_ident,
2426 parse_answer, parse_assertion): Similarly.
2427 (_cpp_handle_diretive): Don't save to lookaheads
2428 when processing directives.
2429 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
2431 (funlike_invocation_p): Don't save to lookaheads
2432 when pre-expanding arguments.
2433 (_cpp_get_token): Delete.
2434 (cpp_get_token): Merge contents of _cpp_get_token.
2436 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2438 * builtins.c (expand_builtin_setjmp): Set
2439 current_function_calls_setjmp.
2440 (expand_builtin_longjmp): Set current_function_calls_longjmp.
2442 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
2443 (do_builtin_setjmp_setup): New insn.
2445 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2447 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
2448 (int_fits_type_p): For variable bounds, call force_fit_type.
2450 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2452 * varasm.c (struct deferred_string): New structure.
2453 (const_str_htab): New variable.
2454 (STRHASH): New macro.
2455 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
2456 constr_str_htab_eq, const_str_htab_del): New functions.
2457 (output_constant_def): Add DEFER argument, defer string
2458 constants until mark_constant_pool time if requested.
2459 (mark_constant_pool): Walk the insn chain even if const_str_htab is
2461 (mark_constants): If a SYMBOL_REF for deferred string is found,
2462 output it and remove from hash table.
2463 (output_addressed_constants): Set DEFER to 0 in call to
2464 output_constant_def.
2465 * rtl.h (STRING_POOL_ADDRESS_P): Define.
2466 (output_constant_def): Adjust prototype.
2467 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
2469 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
2471 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
2472 signed types if flag_trapv.
2474 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
2476 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
2479 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
2481 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
2483 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2485 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
2486 to array of pool_constnat pointers.
2487 (struct pool_constant): Add next_sym and label members.
2488 (struct pool_sym): Remove.
2489 (init_varasm_status): Change pool_sym into pool_constant.
2490 (mark_pool_constant): Mark pc->label string as well.
2491 (mark_pool_sym_hash_table): Remove.
2492 (mark_varasm_status): Remove it from caller as well.
2493 (free_varasm_status): Don't free pool_sym structures.
2494 (force_const_mem): Don't allocate pool_sym structure, instead
2495 fill pool->label and chain it into rtx_sym hash table.
2496 (find_pool_constant, mark_constant_pool): Use pool_constant instead
2499 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2501 * reload1.c (emit_input_reload_insns): Honour forcing of constants
2502 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
2504 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
2506 * dominance.c: New file.
2507 * Makefile.in (OBJS): Add dominance.o.
2509 * flow.c (compute_flow_dominators): Remove.
2510 (compute_immediate_dominators): Remove.
2511 (compute_immediate_postdominators): Remove.
2512 * basic-block.h: Remove their prototypes.
2513 (calculate_dominance_info): Add prototype.
2515 * dce.c (eliminate_dead_code): Change calls to above functions.
2516 Don't compute dominators but only immediate dominators.
2517 * flow.c (flow_loops_find): Change callers.
2518 * gcse.c (compute_code_hoist_data): Likewise.
2519 * haifa-sched.c (schedule_insns): Likewise.
2520 * ifcvt.c (if_convert): Likewise.
2521 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
2524 2000-11-14 Richard Henderson <rth@redhat.com>
2526 * stmt.c (warn_if_unused_value): Don't warn if the expression
2529 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
2530 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
2532 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2534 * loop.c (basic_induction_var): Revert accidental checkin.
2536 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
2538 * c-lex.c (cb_leave_file): Harmonize conditions and order of
2539 statements to those of process_directive for (action == act_pop).
2541 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
2543 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
2546 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2548 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
2551 2000-11-13 Neil Booth <neilb@earthling.net>
2553 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
2554 cases return without MI check.
2555 * cpplib.c (do_diagnostic): Take boolean of whether to
2556 print the directive name.
2557 (do_error, do_warning): Update.
2558 (do_pragma_dependency): Use it.
2559 * cpplib.h (VARARGS_FIRST): Delete.
2560 (struct cpp_token): Delete integer.
2561 * cppmacro.c (enter_macro_context): Move disabled check
2563 (_cpp_get_token): Simplify into a single loop.
2565 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2567 * configure.in: Use 'test -f' not '[ -e'.
2568 * configure: Regenerated.
2570 2000-11-13 DJ Delorie <dj@redhat.com>
2572 * config/mn10300/mn10300.md (store_movm): Note which registers are
2573 really used or clobbered.
2575 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2577 * c-parse.in (ends_in_label): Remove from %union and %type.
2578 (decls, stmts, lineno_stmt_or_labels, xstmts,
2579 lineno_stmt_or_label, stmt_or_label): Remove.
2580 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
2581 lineno_stmt_decl_or_labels_ending_decl,
2582 lineno_stmt_decl_or_labels_ending_label,
2583 lineno_stmt_decl_or_labels_ending_error,
2584 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
2585 lineno_stmt, lineno_label): New.
2586 (compstmt_nostart): Use compstmt_contents_nonempty.
2588 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2590 * c-common.c (boolean_increment): New function.
2591 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
2592 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
2593 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
2594 (boolean_increment): Declare.
2595 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
2596 * c-decl.c (init_decl_processing): Create boolean nodes.
2597 (finish_struct): Allow for _Bool bitfields.
2598 * c-parse.in (reswords): Add _Bool.
2599 (rid_to_yy): Allow for RID_BOOL.
2600 * c-typeck.c (default_conversion): Make booleans promote to int.
2601 (convert_arguments, build_unary_op, build_modify_expr,
2602 convert_for_assignment): Allow for booleans.
2603 * ginclude/stdbool.h: Make conforming to C99.
2605 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2607 * c-parse.in (c99_block_start, c99_block_end,
2608 c99_block_lineno_labeled_stmt): New.
2609 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
2610 (stmt): Split off selection and iteration statements into...
2611 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
2613 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2615 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
2618 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2620 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
2621 Rewrite to avoid use of match_dup. Don't try to tie registers that
2622 are not in the same mode.
2624 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2626 * invoke.texi: Update lists of languages and suffixes supported.
2628 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2630 * configure.in: Take toplevel configure arguments from the
2631 environment to create configargs.h and substitute
2632 gcc_config_arguments, taking account of any existing configargs.h
2634 * configure: Regenerate.
2635 * gccbug.in: Include toplevel configure arguments in gccbug.
2637 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2639 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
2640 union to make it well-aligned. Update all uses.
2642 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2644 * c-parse.in (initelt): Give appropriate pedantic warnings,
2645 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
2647 (designator): If pedantic, pedwarn for a designator specifying a
2649 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
2651 * extend.texi: Document the C99 syntax as the preferred syntax,
2652 and the pre-2.5 syntax as obsolete. Mention use of designator
2653 lists for nested subobjects.
2655 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2657 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
2658 Add ATTRIBUTE_PRINTF.
2659 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
2660 Add ATTRIBUTE_PRINTF*.
2662 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2664 * function.c (assign_parms): When calling put_var_into_stack, make
2665 sure that there are no hidden pending sequences.
2667 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2669 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
2670 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
2673 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
2675 * c-common.c (c_common_nodes_and_builtins): Declare index and
2676 rindex when nonansi builtins are allowed.
2678 * extend.texi (index, rindex): Document new builtins.
2680 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2682 * configure.in: Turn on libstdc++ V3 by default.
2683 * configure: Regenerated.
2685 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
2687 2000-11-12 Jakub Jelinek <jakub@redhat.com>
2689 * reload1.c (set_label_offsets): Go inside of PARALLELs.
2691 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
2693 * invoke.texi: Clean up option summary.
2695 2000-11-12 Nick Clifton <nickc@redhat.com>
2697 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
2698 of #include headers.
2700 2000-11-12 Marc Espie <espie@openbsd.org>
2702 * configure.in: Fix filds test.
2705 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2707 * jump.c (delete_computation): Don't assume that just becuase an
2708 instruction sets a register, that register is dead.
2710 2000-11-12 Neil Booth <neilb@earthling.net>
2712 * cppexp.c: Don't worry about pfile->skipping.
2713 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
2714 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
2715 for handled directives.
2716 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
2717 and releasing lookaheads.
2718 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
2719 (do_else, do_elif, push_conditional): Update logic.
2720 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
2721 (unwind_if_stack): Inline into cpp_pop_buffer.
2722 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
2723 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
2724 multiple-include optimisation.
2725 * cpplib.h (struct cpp_buffer): New member was_skipping.
2726 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
2727 works because skipping == 0 in directives.
2728 (_cpp_release_lookahead): Renamed from release_lookahead.
2729 (cpp_get_token): No need to check skipping as _cpp_get_token does
2730 this for us. No need to handle MI optimisation.
2732 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
2734 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
2735 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
2736 * fixinc/fixincl.x: Regenerated.
2738 2000-11-11 Bruce Korb <bkorb@gnu.org>
2740 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
2741 (avoid_wchar_t_type): ditto
2742 * fixinc/fixinc.irix: obsoleted
2744 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
2746 * configure.in: Don't add $outputs to all_lang_makefiles. Add
2747 $srcdir/$s/Makefile.in if it exists.
2748 * configure: Regenerate.
2750 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
2752 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
2754 2000-11-11 Jason Merrill <jason@redhat.com>
2756 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
2757 give the parm a register and then call put_var_into_stack.
2758 * stmt.c (expand_decl): Likewise.
2760 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2762 * gcc.texi: Adjust wording.
2764 2000-11-11 Mark Mitchell <mark@codesourcery.com>
2766 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
2767 * fininc/fixincl.x: Regenerated.
2769 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2771 * invoke.texi: Correct spelling of -foptimize-register-move.
2773 2000-11-11 Neil Booth <neilb@earthling.net>
2775 Remove CPP_PLACEMARKERs.
2777 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
2778 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
2779 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
2781 * cpplib.h: Remove CPP_PLACEMARKER.
2782 (struct lexer_state): Rename skip_newlines to next_bol.
2783 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
2784 Simplify prev_white handling as a result.
2785 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
2786 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
2787 (parse_args): Similarly. Update argument count tests.
2788 (enter_macro_context): Return 2 to indicate an empty macro.
2789 (replace_args): Don't bother pre-expanding an empty argument.
2790 Handle placemarkers and ## extension during pre-expansion.
2791 (cpp_get_token): Handle empty macro expansions. Don't worry
2792 about CPP_PLACEMARKERs.
2793 (_cpp_create_definition): Empty macros are now empty.
2794 (cpp_macro_defintion): Don't special case empty macros.
2795 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
2796 * c-lex.c: Similarly.
2798 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2800 * gcc.texi, invoke.texi: Add new section discussing language
2801 standards; link to it where appropriate; refer to ISO C instead of
2804 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
2806 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
2809 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
2812 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2814 * gcc.texi, gcov.texi: Update dates and version numbers.
2816 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
2818 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
2819 flex and bison, specifically, first in a unified build and
2820 then installed on the system.
2821 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
2822 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
2825 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
2826 cppdefault.o): Remove pointless sed munging of source file
2829 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
2831 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
2832 for address reloads. Push replacements for REG_INC notes.
2833 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
2835 * reload1.c (choose_reload_regs): Registers set in the insn can't be
2836 used for RELOAD_OTHER reloads.
2838 2000-11-10 Mark Mitchell <mark@codesourcery.com>
2840 * c-dump.h: New file.
2842 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2844 * alpha.c (check_float_value): Use memcpy, not bcopy.
2845 * arm.c (output_move_double): Likewise.
2847 * m88k.c (legitimize_operand): Likewise.
2848 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
2849 * m88k.md: Likewise.
2850 * mips.c (override_options): Likewise.
2851 * mips.md: Likewise.
2852 * romp.c (output_fpops): Likewise.
2853 * rs6000.c (rs6000_override_options): Likewise.
2855 * vax.c (check_float_value): Likewise.
2857 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
2858 * expmed.c (synth_mult): Likewise.
2859 * final.c (add_bb_string): Likewise.
2860 * genattr.c (main): Likewise.
2861 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
2863 * jump.c (thread_jumps): Likewise.
2864 * prefix.c (save_string): Likewise.
2865 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
2866 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
2867 * reload1.c (reload, eliminate_regs): Likewise.
2869 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2871 * gcc.texi (Service): Update to reflect current practice and
2872 location of the GNU service directory.
2874 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
2876 * regrename.c (build_def_use): Mark contents of REG_INC notes as
2877 needing replacement.
2879 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
2880 a no-op move if regs are equal.
2881 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
2882 when calling jump after post-reload splitting.
2884 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
2886 * c-tree.texi: Fix typos.
2887 * extend.texi: Likewise
2888 * gcov.texi: Likewise
2889 * rtl.texi: Likewise
2892 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
2894 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
2895 in_system_header and flags[1] before dereferencing flags[2].
2897 2000-11-09 Matthew Hiller <hiller@redhat.com>
2899 * reload1.c (reload_combine): Fixed calculation of
2900 first_index_reg, last_index_reg.
2902 2000-11-09 Mark Mitchell <mark@codesourcery.com>
2904 * c-dump.c (dequeue_and_dump): Dump function bodies.
2906 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
2907 (c-dump.o): New target.
2908 * c-common.h (flag_dump_translation_unit): New variable.
2909 (C_TYPE_QUALS): New macro.
2910 (strip_array_types): New function.
2911 (DECL_C_BIT_FIELD): New macro.
2912 (SET_DECL_C_BIT_FIELD): Likewise.
2913 (CLEAR_DECL_C_BIT_FIELD): Likewise.
2914 (dump_info_p): New typedef.
2915 (dump_tree_fn): Likewise.
2916 (lang_dump_tree): New variable.
2917 (dump_node_to_file): New function.
2918 * c-common.c (flag_dump_translation_unit): Define it.
2919 (strip_array_types): New function.
2920 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
2921 * c-lang.c (finish_file): Call dump_node_to_file if
2922 flag_dump_translation_unit.
2923 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
2924 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
2925 * c-dump.c: New file.
2927 2000-11-09 Christopher Faylor <cgf@cygnus.com>
2929 * config/i386/cygwin.h: Add mingw startfile prefix.
2931 2000-11-09 Richard Henderson <rth@redhat.com>
2933 * flow.c (invalidate_mems_from_set): Split out from ...
2934 (mark_set_1): ... here.
2935 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
2936 instead of turning insn into a NOTE_INSN_DELETED.
2938 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2940 * extend.texi, invoke.texi: Move documentation of builtin versions
2941 of C library functions to one place and update.
2943 2000-11-09 Richard Henderson <rth@redhat.com>
2945 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
2946 the types themselves to discover type equivalence.
2948 2000-11-09 Mike Stump <mrs@wrs.com>
2950 * Makefile.in (distclean): Remove a few extra leftovers.
2952 2000-11-09 Richard Henderson <rth@redhat.com>
2954 * recog.c (validate_replace_rtx_1): Consider subregs when
2955 replacing a register with a constant inside a sign/zero_extend.
2957 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2959 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
2961 * c-decl.c (finish_struct): When a structure is completed,
2962 check all its variant types for completeness.
2964 2000-11-09 Neil Booth <neilb@earthling.net>
2966 * cpphash.c: Move cpp_defined here from cpplib.c.
2967 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
2968 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
2969 * cppmacro.c (cpp_get_token): Update comments, no need now
2970 to catch the CPP_EOF meaning EOL case.
2972 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
2974 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
2975 is more than that provided, copy to a temporary.
2977 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
2979 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
2980 interpreting $out as a macro assignment.
2981 * Makefile.in (T_TARGET): New auxiliary macro and target.
2982 (all): Add a target right in the beginning, so that we don't build
2983 T_TARGET by default.
2985 2000-11-09 Graham Stott <grahams@redhat.com>
2987 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
2988 order for -mintel-syntax. Remove comment now that the operand
2989 order has been checked.
2990 (mmx_pextrw): Likewise.
2991 (mmx_pshufw): Likewise.
2993 2000-11-09 Jakub Jelinek <jakub@redhat.com>
2995 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
2996 (c_getstr): New function.
2997 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
2998 If both arguments are constant string, optimize out.
2999 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
3000 (expand_builtin_strpbrk): Use c_getstr, do nothing if
3001 -fcheck-memory-usage.
3002 (expand_builtin_fputs): Likewise.
3003 (expand_builtin_strcmp): Add MODE argument.
3004 Use even if !HAVE_cmpstrsi.
3005 Optimize the case when both arguments are constant strings.
3006 (expand_builtin): Adjust expand_builtin_strcmp caller.
3007 Call expand_builtin_strchr and expand_builtin_strrchr.
3008 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
3010 * builtins.def (BUILT_IN_STRRCHR): Add.
3012 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3014 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
3016 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
3018 * calls.c (expand_call, emit_library_call_value_1), collect2.c
3019 (scan_prog_file), config/a29k/a29k.c (print_operand),
3020 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
3021 instead of bcopy ().
3022 * real.h: Use memcmp () instead of bcmp ().
3023 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
3024 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
3025 ultrasparc_sched_init, ultrasparc_sched_reorder),
3026 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
3027 instead of bzero ().
3028 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
3029 instead of rindex ().
3030 * configure.in: Don't check for bzero, bcmp, index or rindex.
3031 * configure, config.in: Regenerate.
3032 * system.h: Don't include declarations for bzero, bcmp, index or
3034 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
3035 bzero, bcmp, index or rindex.
3037 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
3039 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
3040 include and library paths from -mcygwin case. Parameterize some
3041 declarations to avoid warnings. Use standard locations for include and
3044 2000-11-08 Nick Clifton <nickc@redhat.com>
3046 * config/arm/arm.md (mulsidi3adddi): Change output operand
3047 constraint from "=&" to "+&".
3048 (umulsidi3adddi): Change output operand constraint from "=&" to
3051 2000-11-08 Richard Henderson <rth@redhat.com>
3053 * flow.c (init_propagate_block_info): Protect the rtx stored in
3054 mem_set_list from modification by find_auto_inc.
3055 (mark_set_1): Likewise.
3057 2000-11-08 Neil Booth <neilb@earthling.net>
3059 Move directive handling into the lexer itself.
3061 * cpplex.c (_cpp_lex_token): Handle directives directly.
3062 In the case of a directive interrupting a function-like
3063 macro invocation, use extra_char since read_ahead is
3064 used to store the '#'. Return a CPP_EOF in this case.
3065 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
3066 (cpp_get_token): Don't handle directives here.
3067 * cpplib.h: Remove CPP_DHASH token type.
3069 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
3071 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
3072 formed using PRE_MODIFY too.
3074 2000-11-08 Mark Mitchell <mark@codesourcery.com>
3076 * c-tree.texi (VAR_DECL): Describe representation of GCC's
3077 extension for placing variables in particular registers.
3079 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
3080 unprototyped C functions with no parameters.
3082 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3084 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
3085 before passing to fprintf.
3087 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3089 * function.c (expand_function_start): Cast GET_MODE_SIZE to
3090 HOST_WIDE_INT before negating it.
3092 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3094 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
3095 passed in multiple non-contiguous locations.
3097 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3099 * README.gnat: Remove file.
3101 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
3103 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
3106 2000-11-07 Richard Henderson <rth@redhat.com>
3108 * dwarfout.c (INSN_LABEL_FMT): Remove.
3109 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3110 (dwarfout_label): Remove.
3111 * dwarfout.h: Remove it's prototype.
3112 * dwarf2out.c (INSN_LABEL_FMT): Remove.
3113 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3114 (dwarf2out_label): Remove.
3115 * dwarf2out.h: Remove it's prototype.
3116 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
3118 2000-11-07 Richard Henderson <rth@redhat.com>
3120 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
3121 search on the unwind region section.
3123 * config/ia64/ia64.md (movbi): Add r/r alternative.
3124 (cmovdi_internal_astep): Describe all combinations of register
3125 classes for sources & destinations; remove matching constraints.
3126 (cmovdi_internal): Likewise.
3128 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
3130 2000-11-07 Richard Henderson <rth@redhat.com>
3132 * c-lang.c (start_cdtor, finish_cdtor): New functions.
3133 (finish_file): Use them in building constructor/destructor functions.
3135 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
3136 LD_FINI_SWITCH): Move ...
3137 * config/alpha/osf.h: ... here.
3138 * config/alpha/alpha-interix.h: Don't undef them.
3140 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
3142 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
3143 included in libgcc.a.
3145 (dp-bit.c): Likewise.
3146 (fp-bit.c): Likewise.
3148 2000-11-07 Nick Clifton <nickc@redhat.com>
3150 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
3151 (INTERNAL_ASM_OP): Add missing tab.
3153 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3155 * alias.c (init_alias_analysis), calls.c (expand_call,
3156 emit_library_call_value_1), combine.c (init_reg_last_arrays),
3157 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
3158 (init_output_buffer, set_diagnostic_context), dwarf2out.c
3159 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
3160 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
3161 function.c (assign_parms), gcse.c (compute_can_copy,
3162 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
3163 compute_hash_table, compute_set_hash_table,
3164 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
3165 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
3166 clear_units, schedule_block), integrate.c (initialize_for_inline,
3167 expand_inline_function), jump.c (thread_jumps), local-alloc.c
3168 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
3169 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
3170 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
3171 record_reg_classes, allocate_reg_info), reload.c
3172 (get_secondary_mem, remove_address_replacements, find_reloads),
3173 reload1.c (reload, set_initial_label_offsets, finish_spills,
3174 reload_as_needed, choose_reload_regs_init,
3175 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
3176 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
3177 (rename_registers), stmt.c (expand_end_case), unroll.c
3178 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
3179 () instead of bzero ().
3181 2000-11-07 Neil Booth <neilb@earthling.net>
3183 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
3185 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3187 * c-common.c (combine_strings): Only warn about long strings for C.
3189 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
3191 * combine.c (distribute_notes): Fix typo in last change.
3193 2000-11-07 Geoff Keating <geoffk@redhat.com>
3195 * config/rs6000/rs6000.md (movdi_internal32+1): Use
3196 operand_subreg_force rather than gen_rtx_SUBREG.
3197 (movdi_internal32+2): Likewise.
3199 2000-11-07 Philip Blundell <philb@gnu.org>
3201 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
3202 * config/arm/linux-aout.h: Likewise.
3203 * configure: Regenerate.
3205 2000-11-07 Philipp Thomas <pthomas@suse.de>
3207 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
3208 accepted my the gettext maintainer.
3210 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3212 * builtins.c (expand_builtin_strpbrk): New function.
3213 (expand_builtin): Handle BUILT_IN_STRPBRK.
3215 * builtins.def (BUILT_IN_STRPBRK): New entry.
3217 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3220 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
3222 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
3223 * POTFILES.in: Add config/alpha/freebsd.h
3224 * configure.in: Add alpha*-freebsd support.
3225 * configure: Regenerate.
3227 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3229 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
3230 copy of ptr_type_node rather than ptr_type_node itself.
3232 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
3234 * combine.c (recog_for_combine): Allocate uninitialized vector with
3236 * recog.c (apply_change_group): Likewise.
3238 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
3240 * flow.c (verify_local_live_at_start): Back out last change.
3241 * combine.c (distribute_notes): When parts of a hard reg are
3242 neither set nor referenced in PLACE, search backwards for a
3243 place to put a REG_UNUSED note; if none found, ask for flow
3246 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
3248 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
3249 with (clobber (match_scratch...)).
3251 2000-11-06 Neil Booth <neilb@earthling.net>
3253 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
3256 2000-11-06 Neil Booth <neilb@earthling.net>
3258 * tradcpp.c (special_symbol): Assign an null string rather
3259 than writing to an unallocated buffer.
3261 2000-11-06 Neil Booth <neilb@earthling.net>
3263 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
3266 2000-11-06 Neil Booth <neilb@earthling.net>
3268 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
3269 tok.val.arg_no as appropriate.
3270 * cppexp.c (lex): Similarly.
3271 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
3272 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
3273 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
3274 cpp_macro_definition): Similarly.
3275 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
3277 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3279 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
3280 operands[1] is constant, calculate the sum and generate movdi.
3281 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
3282 (subsi3): Use SImode in call to arith_4096_operand.
3284 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3286 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
3287 adjust %o1, not %o0 if the return type is large structure.
3289 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3291 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
3292 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
3294 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3296 * expmed.c (expand_divmod): For signed divide by 2, prefer
3297 a branch and fewer shifts if branches are very cheap.
3299 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
3301 * Makefile.in: Remove all targets related to building
3302 distributions and diffs, or INSTALL.
3303 * INSTALL, install1.texi: Remove.
3304 * configure.in: Remove mention of distdir.
3305 * configure: Regenerate.
3306 * objc/Make-lang.in: Remove mention of distdir.
3308 2000-11-04 Neil Booth <neilb@earthling.net>
3310 * cpp.texi: Update for _Pragma.
3312 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
3314 * gcc.texi (Contributing): Update URL for projects web page.
3316 2000-11-04 Neil Booth <neilb@earthling.net>
3318 * cpplex.c (parse_string): Don't allow multiline strings in
3319 #include family directives.
3321 2000-11-04 Neil Booth <neilb@earthling.net>
3323 * cpplib.c (do_line): Only warn pedantically if not reading
3326 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
3328 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
3331 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
3333 * builtins.c (expand_builtin_strlen): Remove unused mode
3335 * gcc.c (process_command): Remove unused variable.
3336 * fold-const.c: Include expr.h.
3337 * recog.c: Include reload.h.
3338 * Makefile.in (recog.o, fold-const.o): Update deps.
3340 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
3342 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
3344 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
3346 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
3348 (STARTFILE_SPEC): Likewise.
3349 (LINK_SPEC): Likewise.
3351 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3353 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
3354 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
3355 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
3357 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
3359 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
3360 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
3361 perm_calloc, get_identifier, maybe_get_identifier,
3362 real_value_from_int_cst, simple_cst_equal), varasm.c
3363 (assemble_name, assemble_real, immed_real_const_1,
3364 compare_constant_1, decode_rtx_const, output_constant_pool): Use
3365 strrchr () instead of rindex (). Use memcmp () instead of bcmp
3366 (). Use memcpy () instead of bcopy (). Use memset () instead of
3369 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
3371 * cppfiles.c (open_file): If already read, then don't reopen.
3372 Immediately close an empty file.
3374 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3376 * expr.h (fold_builtin): Move declaration...
3377 * tree.h (fold_builtin): ... here.
3379 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
3381 * flow.c (verify_local_live_at_start): Allow hard regs to die.
3383 2000-11-02 Neil Booth <neilb@earthling.net>
3386 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
3387 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
3388 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
3389 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
3390 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
3391 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
3392 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
3393 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
3394 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
3395 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
3396 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
3397 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
3398 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
3399 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
3400 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3401 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
3402 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
3403 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
3404 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
3405 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
3406 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
3407 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
3408 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
3409 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
3410 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
3411 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
3412 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
3413 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
3414 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
3415 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
3416 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
3417 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
3418 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
3419 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
3420 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
3421 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
3422 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
3423 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
3424 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
3425 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
3426 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
3427 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
3428 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
3429 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
3430 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
3431 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
3432 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
3433 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
3434 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
3435 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
3436 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
3437 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
3438 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
3439 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
3440 vax/vaxv.h, vax/vms.h, we32k/we32k.h
3442 Replace -A() with -A=, the new assertion syntax.
3444 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
3446 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
3448 In REG_DEAD handling: When handling parts of multi-hard-reg hard
3449 registers, increment the loop counter by the size of the parts;
3450 use recursion to handle individual parts.
3452 2000-11-02 Neil Booth <neilb@earthling.net>
3454 * configure.in: Make integrated CPP the default.
3455 * configure: Regenerate.
3457 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
3459 * reload.c (find_equiv_reg): Test all hard registers for membership
3460 in the requested class.
3462 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3464 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
3465 process_command, main), gcov.c (open_files, output_data), tlink.c
3466 (frob_extension, scan_linker_output), toplev.c
3467 (file_name_nondirectory): Use strchr () and strrchr () instead of
3468 index () and rindex ().
3470 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3472 * c-common.c (get_flag_spec, check_format_info_main,
3473 check_format_types): Use strchr () instead of index (). Compare
3474 against error_mark_node instead of comparing the TREE_CODE against
3477 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
3481 * c-lex.c (init_c_lex): Update cpp_start_read call.
3482 (cb_ident): Update for new callback prototype.
3483 (cb_def_pragma): Update for new cpp_get_token prototype.
3484 (c_lex): Similarly. Use cpp_get_line.
3486 * c-parse.in (finish_parse): Update for new cpp_finish
3489 * cp/lex.c (finish_parse): Similarly.
3491 2000-11-01 Geoff Keating <geoffk@cygnus.com>
3493 * machmode.def: Add V16QImode.
3495 2000-11-01 Richard Henderson <rth@redhat.com>
3497 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
3498 from rtl_for_decl_location.
3499 (add_location_or_const_value_attribute): Likewise.
3501 2000-11-01 Neil Booth <neilb@earthling.net>
3503 * cpplib.c (run_directive): Use correct line number for output
3504 of _Pragma. Remember any in-progress directive.
3506 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
3508 2000-11-01 Richard Henderson <rth@redhat.com>
3510 * stmt.c (expand_start_null_loop): Set continue_label.
3512 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3514 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
3515 (expand_builtin_constant_p): Move parts of the code into
3516 fold_builtin_constant_p.
3517 (expand_builtin_strlen): Move parts of the code into fold_builtin.
3518 * expr.h (fold_builtin): Declare.
3519 * fold-const.c (fold): Handle builtin calls.
3521 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
3523 2000-11-01 Richard Henderson <rth@redhat.com>
3525 * stmt.c (expand_start_null_loop): New.
3526 (expand_end_null_loop): New.
3527 * c-semantics.c (genrtl_do_stmt): Use them.
3528 * tree.h: Declare them.
3530 2000-11-01 Richard Henderson <rth@redhat.com>
3532 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
3534 2000-11-01 Neil Booth <neilb@earthling.net>
3536 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
3537 * cp/spew.c: Similarly.
3538 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
3539 * cppmacro.c (stringify_arg): Similarly.
3540 * cpplib.h (CPP_BACKSLASH): Delete.
3542 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3544 * builtins.c (expand_builtin_strstr): New function.
3545 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
3547 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
3549 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
3552 2000-10-31 Richard Henderson <rth@redhat.com>
3554 * config/i386/i386.c (fcmov_comparison_operator): Check for
3555 CCFPmode or CCFPUmode instead of CCmode.
3556 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
3557 unordered operations as well.
3559 2000-10-31 Richard Henderson <rth@redhat.com>
3561 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
3562 of integer_zero_node.
3564 2000-10-31 Richard Henderson <rth@redhat.com>
3566 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
3568 2000-10-31 Nick Clifton <nickc@redhat.com>
3570 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
3571 -fdata-sections to override the section attribute of a DECL.
3573 2000-10-31 Chris Demetriou <cgd@sibyte.com>
3575 * libgcc2.c (__shtab): Remove __shtab variable.
3576 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
3577 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
3580 2000-10-31 Jim Wilson <wilson@redhat.com>
3582 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
3583 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
3584 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
3585 instead of ASM_OUTPUT_INTERNAL_LABEL.
3586 (dwarf2out_end_block, dwarf2out_label): Likewise.
3587 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
3588 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
3590 2000-10-31 Richard Henderson <rth@redhat.com>
3592 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
3593 (size_of_locs): Set it.
3594 (output_loc_operands): Use it to compute branch displacement.
3595 (int_loc_descriptor): New.
3596 (mem_loc_descriptor): Dereference memory in the proper size.
3597 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
3598 (loc_descriptor_from_tree): New.
3599 (rtl_for_decl_location): Break out from ...
3600 (add_location_or_const_value_attribute): ... here.
3601 (add_bound_info): Use loc_descriptor_from_tree.
3603 2000-10-31 Neil Booth <neilb@earthling.net>
3605 * cpp.texi: Update for new command line assertion syntax.
3606 * cpplib.c (cpp_define): Simplify a bit.
3607 (cpp_assert, cpp_unassert): Use handle_assertion.
3608 (handle_assertion): New function; accept new command line
3610 * testsuite/gcc.dg/cpp/assert3.c: New tests.
3612 2000-10-31 Neil Booth <neilb@earthling.net>
3614 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
3615 undefined. Remove #ifdef check.
3616 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
3617 Define STDC_0_IN_SYSTEM_HEADERS to 1.
3619 2000-10-31 Jan Hubicka <jh@suse.cz>
3620 Jakub Jelinek <jakub@redhat.com>
3622 * config/i386/i386.h: Clarify CCNOmode description in comment.
3623 (EXTRA_CC_MODES): Remove CCRCmode.
3624 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
3625 (put_condition_code, ix86_match_ccmode): Likewise.
3626 (ix86_cc_mode): Likewise. Fix comment.
3627 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
3628 * config/i386/i386.md: Add unspec 12 description.
3629 (adddi3 split): Use unspec 12 instead of CCRCmode.
3630 (addsi3_carry_rc): Remove.
3631 (addsi3_cc, addqi3_cc): New patterns.
3632 (addsi_3): Swap operands, match CCZmode.
3633 (addsi_4): Rewritten.
3634 (addsi_5): Renamed from addsi_6.
3636 (addhi_3): Swap operands, match CCZmode.
3637 (addhi_4): Rewritten.
3638 (addhi_5): Renamed from addhi_6.
3640 (addqi_3): Swap operands, match CCZmode.
3641 (addqi_4): Rewritten.
3642 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
3643 (subsi3_carry_rc): Removed.
3644 (iorqi_3): Use =q constraint for clobber.
3645 (xorqi_cc_2): Likewise.
3646 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
3647 (x86_movsicc_0_m1_rc): Removed.
3648 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
3650 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
3652 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
3653 and decrement of complex types.
3655 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3657 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
3658 builtin fputs, ensure we still evaluate the stream in case it
3661 2000-10-31 Jakub Jelinek <jakub@redhat.com>
3663 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
3666 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
3668 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
3669 (fp_extended_operand, emit_fpscr_use): Likewise.
3670 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
3671 (fpul_operand): New function.
3672 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
3673 fp_extended_operand. Add fpul_operand.
3674 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
3675 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
3676 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
3677 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
3678 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
3679 (divdf3_i): Likewise.
3680 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
3681 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
3682 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
3683 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
3684 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
3686 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
3688 * config/i386/i386.c (ix86_init_builtins): Correct return type
3689 building v4hi_ftype_v4hi_int_int tree node.
3690 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
3691 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
3693 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
3695 (mmx__uavgv8qi3): Correct insn mnemonic.
3696 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
3697 (mmx_punpckhwd): Correct insn mnemonic.
3698 (mmx_punpckhdq): Likewise.
3699 (mmx_punpcklwd): Likewise.
3700 (mmx_punpckldq): Likewise.
3701 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
3702 Renumber case labels to match the _mm_prefetch constants defined in
3705 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
3706 if the splitter didn't emit new insns.
3707 Make sure we call cleanup_subreg_operands even when splitting the last
3708 insn in a basic block.
3710 * invoke.texi (Debugging Options): Describe -do.
3711 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
3712 (dump_file): Likewise.
3713 (rest_of_compilation): Split .greg dump into .greg and .postreload.
3715 2000-10-30 Neil Booth <neilb@earthling.net>
3717 * cppfiles.c (stack_include_file): Check for stacked contexts
3719 * cpphash.h (_cpp_do__Pragma): New prototype.
3720 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
3722 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
3723 escaped newlines if !(buffer->from_stage3).
3724 (_cpp_lex_token): Warn about missing newlines iff
3725 !buffer->from_stage3.
3727 * cpplib.c (get__Pragma_string, destringize,
3728 _cpp_do__Pragma): New functions.
3729 (run_directive): Set output_line for _Pragma to avoid line
3730 markers in output. Set from_stage3 and prevent macro expansion
3731 for _Pragma and command-line options. Check buffer exhaustion.
3732 (cpp_push_buffer): Don't check for stacked macro contexts, as
3733 this is perfectly legitimate for _Pragma. Move the check to
3734 stack_include_file instead. Set from_stage3 iff buffer is
3737 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
3738 unsigned. New boolean from_stage3.
3739 (struct spec_nodes): Add n__Pragma.
3741 * cppmacro.c (enter_macro_context): Flip sense of return value.
3742 (_cpp_get_token): Handle _Pragma operator.
3744 2000-10-30 Phil Edwards <pme@sources.redhat.com>
3746 * gcc.texi: The C++ standard isn't "draft" anymore.
3748 2000-10-30 Mark Mitchell <mark@codesourcery.com>
3750 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
3752 2000-10-29 Neil Booth <neilb@earthling.net>
3754 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
3756 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
3758 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
3759 fixinc/inclhack.def: Change comments mentioning C9X to refer to
3762 * invoke.texi: Document that -V will only work for very similar
3763 versions of driver and compiler.
3765 2000-10-29 Neil Booth <neilb@earthling.net>
3767 * cppmacro.c (_cpp_create_definition): Optimize the case of
3768 a macro defined to itself.
3770 2000-10-29 Neil Booth <neilb@earthling.net>
3772 * cpplex.c (save_comment): Don't store new lines in C++ comments.
3774 2000-10-29 Michael Hayes <mhayes@redhat.com>
3776 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
3778 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
3780 * cpphash.c (cpp_forall_identifiers): Add context variable
3781 for callback routine.
3782 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
3784 (main): Call cpp_forall_identifiers with null context.
3785 * cpplib.h (cpp_forall_identifiers): Update prototype.
3787 * cppmain.c: Make `parse_in' and `print' static.
3789 2000-10-28 Alan Modra <alan@linuxcare.com.au>
3791 * c-decl.c (finish_function): Clear c_function_name_declared_p.
3793 2000-10-28 Richard Henderson <rth@redhat.com>
3795 * regrename.c (scan_rtx_address): Frob action, not class,
3796 when trying to disable optimization.
3798 2000-10-28 Mark Mitchell <mark@codesourcery.com>
3800 * c-semantics.c (make_rtl_for_local_static): Don't clobber
3801 DECL_ASSEMBLER_NAME.
3803 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
3805 * configure.in: Determine and substitute gcc_version_full.
3806 * configure: Regenerate.
3807 * gccbug.in: Use it to give full version. Don't allow
3810 2000-10-28 Richard Henderson <rth@redhat.com>
3812 * recog.c (split_all_insns): Run cleanup_subreg_operands
3815 * regrename.c (regrename_optimize): Verify that all registers of
3816 a multiple register mode are available.
3817 (scan_rtx_address): Accept the mode of the address; all callers
3820 * cpplib.c (run_directive): Fix prototype.
3822 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
3824 * reload.c (find_reloads): Distinguish "wins" so that we know whether
3825 a given operand won because of a matching constraint or not; then use
3826 that information to compute goal_alternative_matched properly.
3827 * reload1.c (choose_reload_regs): Never set reload_override_in for an
3830 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
3831 accurate value for MULT.
3832 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
3833 2% or > 98% before using static branch prediction bits.
3835 2000-10-28 Neil Booth <neilb@earthling.net>
3839 * cpplib.c (struct answer): New.
3840 (struct if_stack): Use cpp_lexer_pos rather than line and col.
3841 Rename cmacro mi_cmacro.
3842 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
3843 IN_I): New directive and flags.
3844 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
3845 parse_answer, parse_assertion, find_answer): New functions.
3846 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
3847 (lex_macro_node): New function to replace parse_ifdef and
3850 (_cpp_handle_directive): New function, combines _cpp_check_directive
3851 and _cpp_check_linemarker.
3853 (do_define, do_undef, parse_include, do_include, do_import,
3854 do_include_next, read_line_number, do_line, do_ident, do_pragma,
3855 do_pragma_once, do_pragma_poison, do_pragma_dependency):
3856 Update for new token getting interface.
3858 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
3859 : Update for new multiple-include optimisation technique.
3860 (do_elif): Don't forget to invalidate controlling macros.
3862 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
3863 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
3864 Functions to handle assertions with the new token interface.
3865 (do_assert, do_unassert): Use them.
3867 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
3870 (_cpp_init_stacks): Register directive names. Don't register special
3873 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
3874 new position recording regime.
3875 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3876 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
3877 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
3878 (cpp_type2name): Move to cpplex.c.
3880 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
3881 (parse_defined): Update to handle new multiple include optimisation
3882 method. Remove poisoned identifier warning.
3883 (parse_assertion, TYPE_NAME): Delete.
3884 (lex): Update for multiple include optimisation, removal of
3885 CPP_DEFINED, to use _cpp_test_assertion for assertions and
3887 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
3888 (op_as_text): New function, to wrap cpp_token_as_text.
3890 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
3891 Update for MI optimisation.
3892 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
3893 segfault on diagnostic.
3894 (_cpp_compare_file_date): Take a token rather than 3 args.
3895 (cpp_read_file): Work correctly for zero-length files.
3897 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
3898 _cpp_init_hashtable and _cpp_cleanup_hashtable.
3899 (cpp_lookup): Place identifiers at front of identifier pool
3900 for _cpp_lookup_with_hash.
3901 (_cpp_lookup_with_hash): Require identifiers to be at the front of
3902 the identifier pool. Commit the memory if not already in the
3905 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
3906 Initialise various members of cpp_reader, memory pools, and the
3908 (cpp_printer_init): Delete.
3909 (cpp_cleanup): Update.
3910 (struct builtin, builtin_array, initialize_builtins): Update for new
3911 hashnode definition and builtin handling.
3912 (cpp_start_read, cpp_finish): Don't take or initialise a
3915 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
3916 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
3917 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
3918 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
3919 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
3920 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
3921 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
3922 struct toklist, struct cpp_context, struct specnodes,
3923 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
3924 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
3925 enum builtin_type, cpp_can_paste): New.
3926 (struct cpp_token): Delete line and col members.
3927 (struct cpp_buffer): New member output_lineno.
3928 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
3929 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
3930 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
3931 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
3932 base_context, context, directive, mi_state, mi_if_not_defined,
3933 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
3934 mlstring_pos, macro_buffer, macro_buffer_len.
3935 Delete members mls_line, mls_column, token_list, potential_control_macro,
3936 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
3937 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
3938 save_parameter_spellings, need_newline, .
3939 Change type of date, time and spec_nodes members.
3940 Change prototypes for include and ident callbacks.
3941 (struct cpp_hashnode): Change type of name. Remove union members
3942 expansion and code. Add members macro, operator and builtin.
3944 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
3945 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
3946 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
3947 cpp_stop_lookahead): New prototypes.
3948 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
3950 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
3951 Move from cpphash.h.
3953 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
3954 ufputs): Move to cpplib.h.
3955 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
3956 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
3957 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
3958 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
3959 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
3960 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
3961 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
3962 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
3963 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
3964 _cpp_parse_assertion, _cpp_find_answer): Delete.
3965 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
3966 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
3967 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
3968 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
3969 _cpp_handle_directive, DSC): New.
3970 (struct include_file): New member defined.
3972 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
3973 _cpp_compare_file_date): Update.
3974 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
3975 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
3976 _cpp_cleanup_hashtable.
3978 * Makefile.in: Remove cppoutput.c.
3980 * cppoutput.c: Delete
3982 * fixheader.c (read_scan_file): Update for new cpp_get_token
3984 (recognized_function): New argument LINE.
3986 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3987 new cpp_get_token prototype.
3989 * scan.h (recognized_function): Update prototype.
3991 * po/POTFILES.in: Remove cppoutput.c.
3993 2000-10-27 Mark Mitchell <mark@codesourcery.com>
3995 * c-typeck.c (check_init_type_bitfields): Remove.
3996 (constructor_incremental): Likewise.
3997 (struct constructor_stack): Remove incremental bit.
3998 (struct initializer_stack): Likewise.
3999 (start_init): Don't play with constructor_incremental.
4000 (finish_init): Likewise.
4001 (really_start_incremental_init): Likewise.
4002 (push_init_level): Likewise.
4003 (pop_init_level): Likewise.
4004 (output_init_level): Likewise.
4005 (output_pending_init_elements): Likewise.
4007 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
4009 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
4010 Improve error messages. Correct parsing of
4011 #pragma pack(pop [,id]). Do not check the user-supplied
4012 alignment if we're popping.
4014 * gcc.dg/pack-test-1.c: New test case.
4015 * gcc.dg/pack-test-2.c: New test case.
4016 * gcc.dg/pack-test-1.h: New file.
4018 2000-10-27 Neil Booth <neilb@earthling.net>
4022 2000-10-27 Kelley Cook <kelley.cook@home.com>
4024 * invoke.texi: Document -mintel-syntax
4026 2000-10-27 Richard Henderson <rth@redhat.com>
4028 * invoke.texi: Document -frename-registers. Add it to -O3.
4029 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
4030 (enum dump_file_index, dump_file): Update order.
4031 (main): Set flag_rename_registers at -O3.
4033 2000-10-27 Richard Henderson <rth@redhat.com>
4035 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
4036 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
4037 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
4038 * config/alpha/alpha.md (call_osf_1): Use it.
4039 (call_value_osf_1): Likewise.
4041 * config/ia64/ia64.c: Revert 10-23 patch.
4042 (ia64_hard_regno_rename_ok): New.
4043 * config/ia64/ia64-protos.h: Declare it.
4044 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
4046 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
4047 Richard Henderson <rth@redhat.com>
4049 * regrename.c: Rewrite to handle multi-register modes and
4050 cond_exec instructions.
4051 * Makefile.in (regrename.o): Update dependancies.
4052 * recog.h (struct operand_alternative): Add is_address.
4053 * recog.c (preprocess_constraints) [case 'p']: Set it.
4055 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
4057 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
4058 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
4059 top level. Kill oldstyle_subdirs. Do not include
4060 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
4061 $outputs. Do not run configure.lang from config.status.
4062 Rearrange warning-flag logic to correspond to what the
4063 makefile wants. Put special vax stage1 options in
4064 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
4065 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
4066 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
4067 switch is given, nothing otherwise.
4068 * configure.lang: Delete.
4070 * Makefile.in: Expunge all traces of extra_c_objs,
4071 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
4072 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
4073 warning options via a three level scheme so that -pedantic and
4074 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
4075 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
4076 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
4077 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
4078 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
4079 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
4080 generation rules. Wrap all rules that change the current
4081 directory in parentheses; pmake doesn't spawn a new shell for
4082 each command. Expunge all references to $(P). When one
4083 command depends on another and they're run all at once, use &&
4084 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
4085 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
4088 * objc/Make-lang.in: Wrap all rules that change the current
4089 directory in parentheses. Expunge all references to $(P).
4090 When one command depends on another and they're run all at
4091 once, use && to separate them, not ;. Add OUTPUT_OPTION to
4092 all object-file generation rules. Delete obsolete variables.
4093 * objc/Makefile.in: Delete.
4095 2000-10-27 Jakub Jelinek <jakub@redhat.com>
4097 * calls.c (expand_call): If sibcall_failure is set during pass 1,
4098 clear tail_call_insns as well.
4100 2000-10-27 Nick Clifton <nickc@redhat.com>
4102 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
4105 2000-10-26 Richard Henderson <rth@redhat.com>
4107 * calls.c (expand_call): Supress sibcall if we have a
4108 BLKmode return in registers.
4110 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
4112 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
4115 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
4117 * tree.c (make_node, case 't'): Set alignment to that of
4119 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
4121 2000-10-25 Mark Mitchell <mark@codesourcery.com>
4123 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
4124 * configure.in (enable-libstdcxx-v3): Arrange to have
4125 HAVE_LIBSTDCXX_V3 substituted into the output files.
4127 2000-10-25 Richard Henderson <rth@redhat.com>
4129 * recog.c (constrain_operands): Initialize which_alternative
4130 before no alternatives early exit.
4132 * cse.c (find_comparison_args): Check that we can reverse a
4133 comparison if needed before accepting the substitution.
4135 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
4137 * simplify-rtx.c (simplify_relational_operation): Sign extend
4138 low words before sign extending to high words.
4140 2000-10-25 Nick Clifton <nickc@redhat.com>
4142 * config/mcore/mcore.c: Include config.h before system.h.
4144 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
4146 * config/mcore/mcore.md (return): Force function epilogue to
4147 always be generated to work around epilogue suppression bug in
4150 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
4152 * c-decl.c (grokdeclarator): Move warning for qualified void
4153 return types with -pedantic to when the function type is
4154 constructed. At -W, warn in general for qualified function return
4155 types, except for volatile void.
4156 * invoke.texi: Document this new warning at -W.
4158 2000-10-25 Neil Booth <neilb@earthling.net>
4160 * cpp.texi: Update with implementation-defined behavior and
4163 2000-10-25 Jakub Jelinek <jakub@redhat.com>
4165 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
4166 incomplete type force it into alias set 0.
4168 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
4170 * alias.c: Include basic-block.h.
4171 (loop_p): New function.
4172 (mark_constant_function): Use it.
4173 * Makefile.in (alias.o): Update dependencies.
4175 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4177 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
4180 2000-10-24 Jim Wilson <wilson@cygnus.com>
4182 * expmed.c (store_bit_field): Move integer pun code down after
4183 code that calls emit_move_insn for entire register move.
4184 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
4185 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
4187 2000-10-24 Richard Henderson <rth@cygnus.com>
4189 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
4190 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
4192 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4194 * gcse.c (cprop_insn): do not propagate constants into jump_insn
4195 for machines with CC0 more than once.
4197 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
4199 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
4200 pseudos just like memory.
4202 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
4204 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
4205 when deleting libcall sequence collapsed to a single instruction.
4207 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
4209 * expr.c (do_store_flag): Don't crash if either side of a
4210 comparison is error_mark_node.
4212 2000-10-24 Jakub Jelinek <jakub@redhat.com>
4214 * sibcall.c (purge_mem_unchanging_flag): New function.
4215 (optimize_sibling_and_tail_recursive_calls): Call it.
4217 2000-10-24 Philipp Thomas <pthomas@suse.de>
4219 * Makefile.in (check-po): New target for doing checks in the po
4220 subdir if all languages configured.
4221 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
4222 configure if NLS is enabled.
4223 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
4224 otherwise leave empty.
4225 * configure: Regenerate.
4227 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4229 * i386.c (print_operand): Handle new 'A' formatting code.
4230 387 opcodes need suffixes even with -mintel-syntax.
4231 Check for explicit size override (codes 'b', 'w' and 'k').
4232 (print_operand_address): Check if register prefix is needed when
4233 emitting `ds' segment override.
4234 * i386.h: Add comment about new 'A' formatting code.
4235 * i386.md (jump and call patterns): Emit absolute references using %A.
4237 2000-10-23 Richard Henderson <rth@cygnus.com>
4239 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
4240 output registers as fixed.
4241 (ia64_function_epilogue): Undo output fixation.
4243 2000-10-23 Richard Henderson <rth@cygnus.com>
4245 * config/alpha/alpha.md: Add names for all unnamed insns; use
4246 define_insn_and_split in some obvious places.
4248 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
4249 (zero_extendqisi2, zero_extendqidi2): Likewise.
4250 (zero_extendhisi2, zero_extendhidi2): Likewise.
4251 (abs splitters): Fix match_scratch operand number.
4252 (bcc_reverse): Swap pc & label instead of non-canonical compare.
4254 2000-10-23 Jim Wilson <wilson@cygnus.com>
4256 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
4258 * ia64.md (cmpsi_adjusted): Use %r3.
4259 (cmpdi_adjusted): Likewise.
4261 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4263 * config/i386/att.h (ASM_FILE_START): Define.
4265 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4267 * config/i386/linux.h (ASM_FILE_START): Define.
4269 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
4271 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
4272 since this (only) drags in a crt0.o reference that the .ld files
4275 2000-10-23 Geoff Keating <geoffk@cygnus.com>
4277 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
4278 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
4279 reloads just like an RELOAD_FOR_OUTPUT would.
4281 * local-alloc.c (update_equiv_regs): Add an abort(). When
4282 deleting or moving insns, update reg_equiv[regno].init_insns.
4284 2000-10-23 Mark Mitchell <mark@codesourcery.com>
4286 * c-tree.texi: Improve documentation for IF_STMTs and related
4287 conditional statements.
4289 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4291 * expr.c (do_preexpand_calls): Remove.
4292 (same_from_p): Don't use CALL_EXPR_RTL.
4293 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
4294 (preexpand_calls): Remove.
4295 * tree.c (first_rtl_op): Remove CALL_EXPR case.
4296 (unsave_expr_1): Likewise.
4297 * tree.def (CALL_EXPR): Give it only two slots.
4298 * tree.h (CALL_EXPR_RTL): Remove.
4300 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
4302 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
4303 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4306 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
4308 * calls.c (combine_pending_stack_adjustment_and_call): Don't
4309 adjust stack when unadjusted_alignment ends up as zero.
4311 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
4313 * fixinc/genfixes: Remove EGCS reference.
4314 * install.texi: Remove EGCS reference.
4315 * INSTALL: Regenerate.
4317 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4319 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
4321 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
4323 * diagnostic.c: Remove EGCS reference in comment.
4325 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4327 * loop.c (strength_reduce): Fix error in last change.
4329 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4331 * Makefile.in (SHLIB_NM_FLAGS): New.
4332 (libgcc.mk): Pass it.
4333 * mklibgcc.in (libgcc.map): Use it.
4335 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
4336 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
4338 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4340 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
4342 * sparc.c (load_pic_register): Delete unused varaible.
4344 * libgcc2.c (__addvsi3): Delete unused variable.
4346 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
4347 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
4348 __negvdi2): Prototype.
4350 * ssa.c (apply_delayed_renames): Avoid undefined operation.
4352 * toplev.c (display_target_options): Make static to match
4353 prototype. Delete empty declaration.
4355 2000-10-20 Tom Tromey <tromey@cygnus.com>
4357 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4358 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4360 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4362 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
4364 (expand_expr_unaligned, case ARRAY_REF): Check that index is
4365 a constant before comparing it; use tree_low_cst.
4366 * tree.c (save_expr): Set TREE_READONLY.
4367 (substitute_expr): Return inside of NON_LVALUE_EXPR.
4368 (build, build1): Set TREE_READONLY if all operands are.
4369 (build_index_type): If upper bound is a negative number, lower
4370 bound is zero and sizetype is unsigned, use upper bound of one and
4373 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4375 * gcc.c (process_command, main): Use "because" instead of
4376 "since" in error messages.
4378 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4380 * stor-layout.c (compute_record_mode): Use tree_low_cst.
4381 Don't use mode of field for record unless sizes are the same.
4382 (layout_type, case ARRAY_TYPE): Remove special bounds handling
4383 previously added for Ada; also change to using host_integerp
4386 * loop.c (strength_reduce): Show when new register made for
4387 giv is known to be a pointer and its aligment if so and known.
4388 (loop_dump_aux): Show VERBOSE parameter unused.
4390 * gcse.c (set_hash_table_size): Now unsigned.
4391 * sdbout.c (template_name_p): Add "const" to avoid warnings.
4392 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
4393 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
4394 (sdbout_end_epilogue): Remove variable NAME.
4395 * system.h (getopt): Add default definition.
4396 * config/alpha/alpha.c (print_operand): Don't continue processing
4397 after issuing error.
4398 (summarize_insn): Avoid use of UL in constant.
4400 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
4402 * fold-const.c (force_fit_type): Unsigned values can overflow
4403 if they are sizetype.
4404 (int_const_binop): Don't use cache if overflows.
4406 2000-10-20 Richard Henderson <rth@cygnus.com>
4408 * function.c (locate_and_pad_parm): Zero alignment_pad.
4410 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
4411 perform substitutions, and apply_change_group to see if it worked.
4413 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4415 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
4417 * combine.c (struct undo): Change int to unsigned int.
4418 (do_SUBST_INT): Args are unsigned int.
4419 (make_extraction, force_to_mode): Use proper type when forming mask.
4420 (make_field_assignment): Likewise.
4422 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
4424 * c-common.c (check_format_info_recurse): Extract string constant
4425 initializers from non-volatile constant arrays and check them as
4427 * c-typeck.c (decl_constant_value): Don't check pedantic or check
4428 for DECL_MODE (decl) != BLKmode.
4429 (decl_constant_value_for_broken_optimization): New function which
4430 includes these checks.
4431 (default_conversion, convert_for_assignment, digest_init): Use
4432 decl_constant_value_for_broken_optimization instead of
4433 decl_constant_value.
4435 2000-10-20 Mark Mitchell <mark@codesourcery.com>
4437 * tree.h (DECL_ALIGN_UNIT): New macro.
4439 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
4441 * config/avr/avr-protos.h (avr_output_bld): New.
4442 (out_shift_with_cnt): Add t_len argument.
4443 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
4444 (output_movqi, output_movhi, output_movsisf): Optimize loading
4445 any constant with exactly one bit set to NO_LD_REGS.
4446 (out_shift_with_cnt): Optimize output code for size or speed,
4447 depending on optimize_size. Handle small shift counts as well
4448 (if not hand-optimized in ?sh??i3_out). Shifts can be done
4449 with or without a scratch register, with help of __tmp_reg__
4450 or __zero_reg__ if necessary. Add T_LEN argument to pass the
4451 length of TEMPLATE in words, return total insn length in *LEN.
4452 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
4453 out_shift_with_cnt to work with the above change.
4454 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
4455 lshrsi3_out): Likewise. Optimize more known shift count cases.
4456 Remove cases already well optimized in out_shift_with_cnt.
4457 (avr_output_bld): New function.
4458 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
4459 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
4460 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
4461 Add reload_completed to insn condition - only for peepholes.
4462 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
4463 in a register or memory.
4464 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
4465 Do not require a scratch register.
4466 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
4467 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
4468 Optimize shifts by known count using a scratch register, but only
4469 if one is still available after register allocation.
4471 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4473 * t-vax: New file. Don't build modules from libgcc1.c.
4475 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
4477 * alias.c: (mark_constant_function): Don't check pure functions.
4478 Initialize and end alias analysis.
4479 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
4480 Don't make a special exception for recursion. Handle
4481 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
4482 unless it's volatile.
4484 * local-alloc.c (equivalence): New structure.
4485 (reg_equiv): Define.
4486 (contains_replace_regs): Remove array and use
4488 (memref_referenced_p): Likewise.
4489 (no_equiv): Likewise.
4490 (update_equiv_regs): Likewise.
4492 (equiv_init_varies_p,
4493 equiv_init_movable_p): New functions.
4494 (update_equiv_regs): Use them. Use rtx_varies_p
4495 instead of function_invariant_p. Process insns
4496 from end to beginning. Allow a REG_EQUIV insn
4497 within the same loop as a use to be moved, also
4498 allow it to be moved out of a loop. Update
4499 REG_DEAD notes when substituting into an insn.
4501 2000-10-19 Jim Wilson <wilson@cygnus.com>
4503 * c-decl.c (start_decl): Check for error_mark_node type before using
4505 (finish_decl): Likewise. Don't give an error if decl type is
4506 already error_mark_node.
4508 * haifa-sched.c (compute_trg_info): Add explanatory comments.
4509 New local update_blocks. Use update_blocks to remove duplicates
4510 when computing update blocks. Check for bblst_table overflow.
4511 (schedule_block): Add explanatory comment. Reduce bblst_size by
4513 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
4516 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4518 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
4520 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4522 * expmed.c: Minor corrections in comments.
4523 * invoke.texi: Added desciption for the new option -ftrapv.
4525 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4527 * libgcc2.c: Added the missing #endif.
4529 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4531 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
4533 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
4535 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
4536 Use smulv_optab for -ftrapv.
4537 (expand_mult_highpart): Use unsigned multiply.
4538 (expand_divmod): Special-case division by -1.
4539 For EXACT_DIV_EXPR, do right shift first, then the multiply.
4540 For complex divide, use abs with unsigned result.
4541 * expr.c (force_operand): Use unsigned multiply.
4542 (expand_expr): Use overflow-trapping optabs for signed types if
4544 If flag_trapv, don't generate a recursive call with EXPAND_SUM
4545 if the type is signed and the original call wasn't EXPAND_SUM or
4547 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
4548 (negv_optab, absv_optab): Declare.
4549 * flags.h (flag_trapv): Declare.
4550 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
4551 smulv_optab, sdivv_optab, negv_optab and absv_optab.
4552 (gen_insn): Interpret '$P' as requiring an integer mode,
4553 including partial integer modes.
4554 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
4555 (product_cheap_p): Use unsigned expand_mult.
4556 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
4557 (negv_optab, absv_optab): Define.
4558 (expand_binop): Use overflow-trapping optabs for signed types if
4560 Handle negv_optab libe neg_optab.
4561 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
4562 Use overflow-trapping optabs for signed result if flag_trapv.
4563 (expand_complex_abs): Use overflow-trapping optabs for signed types if
4565 Don't open-code complex absolute-value operation for flag_trapv.
4566 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
4567 sdivv_optab, negv_optab and absv_optab.
4568 * toplev.c (flag_trapv): Define.
4569 (lang_independent_options f_options): Include flag_trapv.
4570 * tree.h (TYPE_TRAP_SIGNED): Define.
4571 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
4572 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4574 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
4575 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
4577 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
4578 David V. Henkel-Wallace <gumby@cygnus.com>
4580 * config/i386/t-netware: Bring in from the Red Hat tree.
4581 * config/i386/netware.h: Likewise.
4582 * config/netware.h: Likewise.
4583 * config/rs6000/netware.h: Delete.
4584 * configure.in: Add i[34567]86-*-netware.
4585 * configure: Hand-edit to match configure.in change.
4587 2000-10-18 Mark Mitchell <mark@codesourcery.com>
4589 * c-common.h (flag_no_builtin): Declare.
4590 (flag_no_nonansi_builtin): Likewise.
4591 (c_common_nodes_and_builtins): Change prototype.
4592 * c-common.c (flag_no_builtin): New variable.
4593 (flag_no_nonansi_builtin): Likewise.
4594 (c_common_nodes_and_builtins): Remove parameters. Adjust
4596 * c-decl.c (flag_no_builtin): Remove.
4597 (flag_no_nonansi_builtin): Likewise.
4598 (init_decl_processing): Adjust call to
4599 c_common_nodes_and_builtins.
4601 2000-10-18 Marc Espie <espie@openbsd.org>
4603 * tm.texi (LIBGCC_SPEC): Synch with reality.
4605 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4607 * c-common.c (check_format_types): Check for writing through a
4608 NULL pointer argument.
4610 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
4612 * tm.texi (Exception Region Output): Document
4613 DWARF_CIE_DATA_ALIGNMENT.
4614 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
4616 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
4617 DWARF_CIE_DATA_ALIGNMENT.
4619 2000-10-18 Michael Hayes <mhayes@cygnus.com>
4621 * basic-block.h (struct loop): Delete fields pre_header_root
4622 and pre_header_trace and replace with pre_header_edges
4623 and num_pre_header_edges.
4624 * flow.c (flow_loop_dump): Dump pre_header_edges.
4625 (flow_loops_free): Free pre_header_edges.
4626 (flow_loop_pre_header_scan): Calculate pre_header_edges.
4628 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4630 * contrib.texi: Update references to steering committee members
4631 and Jeff Law's entry.
4633 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4635 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
4636 (maybe_read_dollar_number, check_format_info_main): Use them for
4637 pedantic warning messages.
4639 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4641 * c-common.c (check_format_info_main): Minor cleanup: move
4642 variables into inner scopes; initialize declarations where
4643 appropriate; don't hardcode "scanf" name on warning for zero
4646 2000-10-17 Mark Mitchell <mark@codesourcery.com>
4648 * c-common.c (back_end_hook): New variable.
4649 * c-common.h (back_end_hook): Declare it.
4650 * c-lang.c (finish_file): Use it.
4652 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
4655 2000-10-18 Jan Hubicka <jh@suse.cz>
4657 * i386.c (ix86_comparison_operator, put_condition_code,
4658 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
4659 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
4660 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
4661 * i386.md (adddi and negdi splitter): Use CCRCmode.
4662 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
4663 (subsi3_carry): add '*'
4664 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
4665 (cmp to add peep2): Use CCRCmode; swap operands.
4667 2000-10-18 Kazu Hirata <kazu@hxi.com>
4669 * h8300.c: Fix a comment typo.
4670 (round_frame_size): New.
4671 (compute_saved_regs): Likewise.
4674 (push_order): Remove.
4675 (pop_order): Likewise.
4676 (function_prologue): Rearrange code for readability.
4677 (function_epilogue): Likewise.
4679 * config/h8300/h8300.md: Remove an unnecessary sign_extend
4680 expander that is used when not optimizing. Output a tab after
4681 each assembly insns.
4683 * reorg.c: Fix formatting.
4685 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
4687 * reload1.c (move2add_note_store): Check for simple
4688 auto-inc in destination.
4690 2000-10-17 Michael Chastain <chastain@redhat.com>
4692 * config/i386/i386-aout.h: define INT_ASM_OP.
4694 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
4696 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
4698 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
4700 * i370.md: Fix spelling typo.
4702 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4704 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
4705 Fixes execute/20001017-1.c on powerpc-linux-gnu.
4707 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
4708 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
4711 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
4712 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
4714 * rs6000/aix.h: ...to here.
4715 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
4717 2000-10-17 Jakub Jelinek <jakub@redhat.com>
4719 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
4721 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
4722 sure linker can relax even the delay slot mov %g1,%o7, fix output
4725 2000-10-17 Kazu Hirata <kazu@hxi.com>
4727 * config/h8300/h8300.md: Remove an unnecessary zero_extend
4728 expander that is used when not optimizing. Output a tab after
4729 each assembly insns.
4731 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
4733 * gcc.c: New options --target-help.
4734 (process_command): Added code to parse this new option.
4735 * toplev.c (display_target_options): New function to support the
4737 * cppinit.c (new_pending_directive) : New option OPT_target__help.
4738 (cpp_handle_option): Support this new option.
4739 * invoke.texi: Added notes about --target-help option.
4741 2000-10-17 Graham Stott <grahams@redhat.com>
4743 * config/i386/i386.md (testqi_1): Add missing operand prefix
4745 * config/i386/i386-protos.h: Add missing prototype.
4747 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
4749 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
4750 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
4751 using -mintel-syntax.
4753 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4755 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
4756 (format_types): Use it for printf.
4757 (maybe_read_dollar_number): Add parameter for the kind of format
4758 involved. Warn for multiple use for arguments if this is
4759 inappropriate for the kind of format involved.
4760 (check_format_info_main): Update calls to maybe_read_dollar_number.
4762 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4764 * inclhack.def (hpux_maxint): Also apply fix to values.h.
4765 * fixincl.x: Rebuilt.
4767 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
4769 * genrecog.c (write_switch): Return the first condition that needs a
4772 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
4774 * c-tree.h (warn_sequence_point): Move declaration to...
4775 * c-common.h (warn_sequence_point): ... here.
4776 * c-decl.c (warn_sequence_point): Move definition to...
4777 * c-common.c (warn_sequence_point): ... here.
4778 (struct reverse_tree): New.
4779 (reverse_list, reverse_max_depth): New static variables.
4780 (build_reverse_tree, common_ancestor, modify_ok
4781 verify_sequence_points): New functions.
4782 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
4783 * c-typeck.c (check_modify_expr): Delete.
4784 (build_modify_expr): Don't call it.
4786 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4788 * c-common.h (warn_missing_format_attribute): New variable.
4789 * c-decl.c (warn_missing_format_attribute): New variable.
4790 (c_decode_option): Decode -Wmissing-format-attribute and
4791 -Wno-missing-format-attribute.
4792 * c-common.c (check_function_format): If
4793 -Wmissing-format-attribute, give a warning where a vprintf or
4794 vscanf function is called by a function without its own printf or
4796 * toplev.c (documented_lang_options): Add
4797 -Wmissing-format-attribute.
4798 * invoke.texi: Document -Wmissing-format-attribute.
4800 2000-10-17 Marc Espie <espie@openbsd.org>
4802 * invoke.texi (-shared): Insist on requiring code generation flags
4803 to be used along with -shared, and document the subtle failure that
4804 may occur otherwise.
4806 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4808 * pa.md (return_internal): Move `use' after `return'.
4810 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4812 * machmode.def: Correct comment.
4814 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
4816 * print-rtl.c (print_rtx_head): Constify.
4817 * rtl.h (print_rtx_head): Similarly.
4819 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
4820 Constify char * return value.
4822 (output_64bit_and, output_64bit_ior): Constify char * return value.
4823 (pa_can_combine_p): Make static.
4824 (function_arg): Decorate unused `named' argument. Fix comment typo.
4825 (function_arg_partial_nregs): Decorate unused `named' argument.
4827 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
4829 * c-common.c (format_check_results): New structure.
4830 (finish_dollar_format_checking): Adjust to take a
4831 format_check_results * parameter.
4832 (check_format_info, check_format_info_recurse,
4833 check_format_info_main): Split check_format_info into three
4834 functions, the main checking going in check_format_info_main.
4835 Recurse when any reduction of the format string argument towards a
4836 string literal is done; go down both branches of a conditional
4837 expression. Don't warn for extra format arguments or empty format
4838 strings if they only occur in some branches of a conditional
4841 2000-10-16 Kazu Hirata <kazu@hxi.com>
4843 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
4845 2000-10-16 Jakub Jelinek <jakub@redhat.com>
4847 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
4849 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
4851 * i386.md (*movsi_or): Switch operand order for intel syntax.
4853 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
4857 * gcc.texi (Contributing): Update.
4859 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
4861 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
4862 appropriate assembler dialect.
4864 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
4866 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
4868 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
4870 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
4871 constants 1 and 2 to NO_LD_REGS.
4873 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4875 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
4877 * objc/Make-lang.in (objc-parse.c): Likewise.
4879 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4881 * arm.c: Include obstack.h
4882 (minipool_obstack, minipool_startobj): Define.
4883 (arm_add_gc_roots): Initialize them.
4884 (create_fix_barrier): Use our new obstack.
4885 (push_minipool_barrier, push_minipool_fix): Likewise.
4886 (arm_reorg): Release obstack memory.
4888 2000-10-13 Jakub Jelinek <jakub@redhat.com>
4890 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
4891 (prologue, exception_receiver, builtin_setjmp_receiver): New
4893 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
4894 * config/sparc/sparc-protos.h (finalize_pic): Remove.
4895 (load_pic_register): New prototype.
4896 * config/sparc/sparc.c (pic_setup_code): Remove.
4897 (finalize_pic): Rename to...
4898 (load_pic_register): ...this function.
4899 Don't look for nonlocal_goto_receivers and emit pic setup code
4900 directly. Don't check current_function_uses_pic_offset_table.
4902 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4904 * tree.h (struct obstack): Declare.
4906 2000-10-12 Mark Mitchell <mark@codesourcery.com>
4909 * Makefile.in (ggc-callbacks.o): Remove target.
4910 (flow.o): Depend on GGC_H.
4911 * alias.c (init_alias_analysis):
4912 Remove ggc_p conditionals.
4913 (end_alias_analysis): Likewise.
4914 * basic-block.h (init_flow): New function.
4915 (allocate_reg_life_data): Declare.
4916 * bb-reorder.c (function_obstack): Replace with ...
4917 (flow_obstack): ... new variable.
4918 (fixup_reorder_chain): Use it.
4919 * c-decl.c (ggc_p): Remove.
4920 (caller-save.c): Don't call oballoc/obfree.
4922 undobuf): Remove storage.
4923 (try_combine): Don't call oballoc.
4924 (undo_all): Don't call obfree.
4925 * cse.c (insert): Use xmalloc, not
4927 (cse_main): Adjust accordingly.
4928 * dwarf2out.c (save_rtx): Remove
4930 (dwarf2out_init): Remove ggc_p conditionals.
4931 * emit-rtl.c (rtl_obstack): Remove.
4932 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
4933 (make_insn_raw): Likewise.
4934 (emit_insn_before): Likewise.
4935 (emit_insn_after): Likewise.
4936 (emit_insn): Likewise.
4937 (gen_sequence): Likewise.
4938 (copy_insn_1): Remove handling of `b' RTL components.
4939 (init_emit_once): Remove ggc_p conditionals.
4940 * except.c (create_rethrow_ref): Don't fool with obstacks.
4941 (add_partial_entry): Likewise.
4942 (call_get_eh_context): Likewise.
4943 (begin_protect_partials): Likewise.
4944 (protect_with_terminate): Likewise.
4946 (plus_constant_wide): Likewise.
4947 * expr.c (init_expr_once):
4949 (emit_block_move): Likewise.
4950 (clear_storage): Likewise.
4951 (expand_expr): Likewise.
4952 * flow.c (function_obstack): Remove.
4953 (flow_obstack): New variable.
4954 (flow_firstobj): Likewise.
4955 (create_base_block): Use the flow_obstack.
4956 (split_block): Likewise.
4957 (split_edge): Likewise.
4958 (calculate_global_regs_live): Likewise.
4959 (allocate_bb_life_data): Make it static. Likewiwse.
4960 (init_flow): New function.
4961 (size_int_type_wide): Remove ggc_p conditionals.
4963 (push_function_context_to): Don't call save_tree_status.
4964 (pop_function_context_from): Or restore_tree_status.
4965 (assign_stack_local_1): Don't call push_obstacks.
4966 (find_fixup_replacement): Use xmalloc.
4967 (fixup_var_refs_insns): Free the storage.
4968 (insns_for_mem_walk): Don't mess with obstacks.
4969 (instantiate_decls): Likewise.
4970 (trampoline_address): Likewise.
4971 (expand_function_end): Likewise.
4972 * function.h (sturct function):
4973 Remove obstack-related variables.
4974 (save_tree_status): Don't declare.
4975 (restore_tree_status): Likewise.
4976 * gcse.c (compute_can_copy):
4977 Don't call oballoc/obfree.
4978 * genattrtab.c (operate_exp): Remove
4980 (simplify_cond): Likewise.
4981 (simplify_test_exp): Don't mess with obstacks.
4982 (optimize_attrs): Likewise.
4983 * gengenrtl.c (gendef): Don't include
4985 * ggc-callbacks.c (ggc_p): Remove.
4986 * ggc-none.c (ggc_p): Remove.
4987 * ggc.h (ggc_p): Don't declare.
4988 * integrate.c (save_for_inline): Don't mess with obstacks.
4989 (integrate_decl_tree): Likewise.
4990 (output_inline_function): Likewise.
4992 (init_EXPR_INSN_LIST_cache): Likewise.
4993 * loop.c (temp_obstack):
4995 (rtl_obstack): Likewise.
4996 (init_loop): Don't mess with obstacks.
4997 (reg_address_cost): Free BIVs and GIVs.
4998 (check_insns_for_bivs): Use xmalloc, not oballoc.
4999 (find_mem_givs): Likewise.
5000 (record_biv): Likewise.
5001 (general_induction_var): Likewise.
5002 (product_cheap_p): Likewse.
5003 * optabs.c (init_one_libfunc): Remove
5005 * print-tree.c (debug_tree): Don't use
5007 (print_node): Likewise.
5008 * profile.c (output_func_start_profiler):
5009 Remove call to temporary_allocation.
5011 (eliminate_regs_in_insn): Don't mess with obstacks.
5013 (mark_target_live_regs): Use xmalloc.
5014 (free_resource_info): Free the memory.
5015 * rtl.c (rtl_obstack):
5017 (rtvec_alloc): Don't mess with obstacks.
5018 (rtx_alloc): Likewise.
5020 (copy_rtx): Don't handle `b' cases.
5021 (read_rtx): Use a local rtl_obstack.
5022 * rtl.h (oballoc): Remove.
5024 (pop_obstacks): Likewise.
5025 (push_obstacks): Likewise.
5026 (allocate_bb_life_data): Likewise.
5027 (allocate_reg_life_data): Likewise.
5028 (rtx_free): Likewise.
5029 * sdbout.c (sdbout_queue_anonymous_type):
5030 Use tree_cons, not saveable_tree_cons.
5032 (cselib_init): Don't mess with obstacks.
5034 (mark_block_nesting): Mark the label_chain.
5035 (epxand_label): Use ggc_alloc, not oballoc.
5036 (clear_last_expr): Don't mess with obstacks.
5037 (expand_decl_cleanup): Likewise.
5038 (expand_dcc_cleanup): Likewise.
5039 (expand_dhc_cleanup): Likewise.
5040 (expand_anon_union_decl): Likewise.
5041 (add_case_node): Use xmalloc, not oballoc.
5042 (free_case_nodes): New function.
5043 (expand_end_case): Call it.
5044 * stor-layout.c (layout_type): Don't
5046 (layout_type): Likewise.
5047 * toplev.c (wrapup_global_declarations):
5049 (compile_file): Remove ggc_p conditionals.
5050 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
5051 (decode_f_option): Remove ggc_p conditionals.
5053 (function_maybepermanent_obstack): Remove.
5054 (maybepermanent_obstack): Likewise.
5055 (function_obstack): Likewise.
5056 (tmeporary_obstack): Likewise.
5057 (momentary_obstack): Likewise.
5058 (temp_decl_obstack): Likewise.
5059 (saveable_obstack): Likewise.
5060 (rtl_obstack): Likewise.
5061 (current_obstack): Likewise.
5062 (expression_obstack): Likewise.
5063 (struct obstack_stack): Likewise.
5064 (obstack_stack): Likewise.
5065 (obstack_stack_obstack): Likewise.
5066 (maybepermanent_firstobj): Likewise.
5067 (temporary_firstobj): Likewise.
5068 (momentary_firstobj): Likewise.
5069 (temp_decl_firstobj): Likewise.
5070 (momentary_function_firstobj): Likewise.
5071 (all_types_permanent): Likewise.
5072 (struct momentary_level): Likewise.
5073 (momentary_stack): Likewise.
5074 (init_obstacks): Remove initialization of removed obstacks.
5075 (save_tree_status): Remove.
5076 (restore_tree_status): Likewise.
5077 (temporary_allocation): Liekwise.
5078 (end_temporary_allocation): Liekwise.
5079 (resume_temporary_allocation): Likewise.
5080 (saveable_allocation): Likewise.
5081 (push_obstacks): Likewise.
5082 (push_obstacks_nochange): Likewise.
5083 (pop_obstacks): Likewise.
5084 (allocation_temporary_p): Likewise.
5085 (permanent_allocation): Likewise.
5086 (preserve_data): Likewise.
5087 (preserve_initializer): Likewise.
5088 (rtl_in_current_obstack): Likewise.
5089 (rtl_in_saveable_obstack): Likewise.
5090 (oballoc): Likewise.
5092 (savealloc): Likewise.
5093 (expralloc): Likewise.
5094 (print_obstack_name): Likewise.
5095 (debug_obstack): Likewise.
5096 (object_permanent_p): Likewise.
5097 (push_momentary): Likewise.
5098 (perserve_momentary): Likewise.
5099 (clear_momentary): Likewise.
5100 (pop_momentary): Likewise.
5101 (pop_momentary_nofree): Likewise.
5102 (suspend_momentary): Likewise.
5103 (resume_momentary): Likewise.
5104 (make_node): Don't set TREE_PERMANENT.
5105 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
5106 Don't set TREE_PERMANENT.
5107 (get_identifier): Remove ggc_p conditionals.
5108 (build_string): Likewise.
5109 (make_tree_vec): Likewise.
5110 (build_decl_list): Remove.
5111 (build_expr_list): Likewise.
5112 (tree_cons): Remove ggc_p conditionals.
5113 (decl_tree_cons): Remove.
5114 (expr_tree_cons): Likewise.
5115 (perm_tree_cons): Likewise.
5116 (temp_tree_cons): Likewise.
5117 (saveable_tree_cons): Likewise.
5118 (build1): Remove ggc_p conditionals.
5119 (build_parse_node): Likewise.
5120 (build_type_attribute_variant): Don't mess with obstacks.
5121 (build_type_copy): Likewise.
5122 (type_hash_canon): Likewise.
5123 (build_pointer_type): Likewise.
5124 (build_reference_type): Likewise.
5125 (build_index_type): Likewise.
5126 (build_range_type): Likewise.
5127 (dump_tree_statistics): Don't print obstack information.
5129 (struct tree_common): Remove permanent_flag.
5130 (TREE_PERMANENT): Remove.
5131 (TREE_SET_PERMANENT): Likewise.
5132 (TYPE_OBSTACK): Likewise.
5133 (struct tree_type): Remove obstack.
5135 (savealloc): Likewise.
5136 (build_decl_list): Likewise.
5137 (build_expr_list): Likewise.
5138 (perm_tree_cons): Likewise.
5139 (temp_tree_cons): Likewise.
5140 (saveable_tree_cons): Likewise.
5141 (decl_tree_cons): Likewise.
5142 (expr_tree_cons): Likewise.
5143 (suspend_momentary): Likewise.
5144 (allocation_temporary_p): Likewise.
5145 (resume_momentary): Likewise.
5146 (push_obstacks_nochange): Likewise.
5147 (permanent_allocation): Likewise.
5148 (push_momentary): Likewise.
5149 (clear_momentary): Likewise.
5150 (pop_momentary): Likewise.
5151 (end_temporary_allocation): Likewise.
5152 (pop_obstacks): Likewise.
5153 (push_obstacks): Likewise.
5154 (pop_momentary_nofree): LIkewise.
5155 (preserve_momentary): Likewise.
5156 (saveable_allocation): Likewise.
5157 (temporary_allocation): Likewise.
5158 (resume_temporary_allocation): Likewise.
5159 (perserve_initializer): Likewise.
5160 (debug_obstack): Likewise.
5161 (rtl_in_current_obstack): Likewise.
5162 (rtl_in_saveable_obstack): Likewise.
5164 * varasm.c (current_obstack): Remove.
5165 (saveable_obstack): Remove.
5166 (rtl_obstack): Remove.
5167 (immed_double_const): Don't mess with obstacks.
5168 (immed_real_cons): Likewise.
5169 (output_constant_def): Likewise.
5170 (init_varasm_status): Use xcalloc.
5171 (mark_pool_constant): Mark the pool constant itself.
5172 (free_varasm_status): Free memory.
5173 (decode_rtx_const): Call bzero directly, rather than expanding it
5175 (record_rtx_const): Don't mess with obstacks.
5176 (force_const_mem): Likewise.
5177 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
5179 (aof_pic_entry): Likewise.
5180 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
5181 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
5182 * config/pa/pa.c (saveable_obstack): Remove.
5183 (rtl_obstack): Likewise.
5184 (current_obstack): Likewise.
5185 (output_call): Don't mess with obstacks.
5186 (hppa_encode_label): Remove ggc_p conditionals.
5187 * config/romp/romp.c (get_symref): Don't mess with obstacks.
5188 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
5189 (rs6000_encode_section_info): Likewise.
5190 * config/sh/sh.c (get_fpscr_rtx): Likewise.
5192 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
5194 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
5195 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
5196 (addsi3_carry): Canonicalize.
5197 (addqi_5): Remove '*'.
5198 (sbb pattern): Canonicalize.
5200 * i386.md (cmp to inc/add peep2): New.
5202 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
5204 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
5207 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5209 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
5210 * README.TRAD, TESTS.FLUNK: Remove.
5212 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5214 * c-common.c (decl_attributes): Don't allow strftime formats with
5215 first_arg_num nonzero.
5216 (check_format_info): Set wanted_type and wanted_type_name to zero
5217 before they are possibly assigned and used.
5219 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5221 * c-common.c (scanf_flag_specs): Add flags ' and I.
5222 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
5223 or the ^ and # flags together.
5224 (scan_char_table): Handle the ' and I flags.
5225 (format_types): Add ' and I flags for scanf.
5227 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5229 * c-common.c (print_char_table): Use the unpromoted type for
5230 lengths "h" and "hh" with conversions dioxXu.
5231 (check_format_types): Apply the default argument promotions where
5232 the wanted type is not a pointer target.
5234 2000-10-11 Michael Meeks <mmeeks@gnu.org>
5235 Joseph S. Myers <jsm28@cam.ac.uk>
5237 * c-typeck.c (check_modify_expr): New function.
5238 (build_modify_expr): Call it if warn_sequence_point.
5239 * c-decl.c (warn_sequence_point): New variable.
5240 (c_decode_option): Handle -Wsequence-point and
5241 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
5242 * c-tree.h (warn_sequence_point): Declare.
5243 * invoke.texi (-Wsequence-point): Document.
5244 * toplev.c (documented_lang_options): Add -Wsequence-point and
5245 -Wno-sequence-point.
5246 Original work by Michael Meeks, 16 Jun 1998.
5248 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5250 * tree.c (get_narrower): Don't look at precision of field if
5253 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
5255 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
5256 declaration for data with "progmem" attribute.
5258 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
5260 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
5261 Correct insn length if shift count is a memory operand.
5262 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
5263 (*iorhi3_clobber): Change lo8 to hi8.
5264 (zero_extendhisi2): Change %B0 to %A1.
5265 (ashlhi3, ashrhi3): Correct insn length.
5266 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
5267 from "clobber" to "set_n" in some alternatives.
5269 2000-10-10 Jakub Jelinek <jakub@redhat.com>
5271 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
5272 remove its insn_chain structure as well.
5274 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5276 * dbxout.c (dbxout_source_line): Remove extra tab.
5278 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
5280 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
5282 2000-10-09 Richard Henderson <rth@cygnus.com>
5284 * Makefile.in (LANG_LIB2FUNCS): Remove.
5285 (LIB2FUNCS): Remove _pure.
5286 (LIB2ADD): Remove LANG_LIB2FUNCS.
5287 (stage_a): Don't set LANG_LIB2FUNCS.
5288 * libgcc2.c (__terminate): Mark noreturn.
5289 (__pure_virtual): Remove.
5290 * mklibgcc.in: Remove LIB2ADD .txt processing.
5292 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5294 * arm.md (push_multi): Revert unintended change.
5296 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5298 * arm.c: Miscellaneous white space and comment clean-ups. No
5302 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5304 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
5305 STRING_CST by calling combine_strings.
5307 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5309 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
5310 (thumb_output_move_mem_multiple): Support new insn format.
5311 * arm.md (movmem12b): Use SSA compatible format.
5312 (movmem8b): Likewise.
5314 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5316 * arm.md (predicable): New attribute, default to "no".
5317 (all patterns): Mark as predicable if appropriate.
5318 (conditional execution splits): Split using predication format.
5319 (define_cond_exec): Define.
5320 * arm.c (arm_print_operand): handle insn predicate.
5322 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5324 * README.NS32K: Remove file.
5326 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5328 * README-bugs: Remove file.
5330 2000-10-08 Philipp Thomas <pthomas@suse.de>
5331 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
5333 * configure: Rebuilt.
5335 2000-10-08 Philipp Thomas <pthomas@suse.de>
5336 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
5337 disable catalog building if no suitable program was found.
5338 Move warning message from here
5339 (AM_GNU_GETTEXT): To here.
5340 * configure: Rebuilt.
5342 2000-10-08 Philipp Thomas <pthomas@suse.de>
5343 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
5344 different cache variables.
5345 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
5346 uses different cache variables.
5347 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
5348 * configure: Regenerated.
5350 2000-10-08 Richard Henderson <rth@cygnus.com>
5352 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
5353 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
5354 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
5357 * config/t-linux (SHLIB_EXT): New.
5358 (SHLIB_LINK): Use the entire build command, with substitutions.
5359 (SHLIB_LIBS): Remove.
5360 * config/alpha/t-osf4: Likewise.
5361 * config/mips/t-iris6: Likewise.
5362 * config/sparc/t-sol2: Likewise, but move shlib stuff...
5363 * config/sparc/t-slibgcc-sld: ...here.
5364 * config/sparc/t-slibgcc: New file.
5366 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5368 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
5369 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
5371 (intmax_type_node, uintmax_type_node): Define.
5372 * c-common.c (decl_attributes): If pedantic, warn if `mode'
5373 attributes create a type wider than intmax_t.
5374 (T_IM, T_UIM): Define properly.
5375 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
5377 (init_decl_processing): Initialize intmax_type_node and
5379 * c-lex.c (lex_number): When pedantic and warning for integer
5380 constants that are too large, in C99 mode warn for those that have
5381 a type wider than long long.
5383 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5385 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
5386 FMT_FLAG_FANCY_PERCENT_OK): Define.
5387 (format_char_info): Add flag "4" to comment.
5388 (format_flag_spec, format_flag_pair): New structures.
5389 (format_kind_info): Add additional fields to control format
5391 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
5392 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
5394 (time_char_table): Use "4" flag to handle %Ey.
5395 (format_types): Add entries for new fields.
5396 (get_flag_spec): New function.
5397 (check_format_info): Increase size of flag_chars[] to 256.
5398 Control format checking using the new fields of a format_kind_info
5399 and the new tables; remove all conditionals on printf_format_type,
5400 scanf_format_type or strftime_format_type. Handle all details of
5401 bad combinations of flags (including width, precision and strftime
5402 modifiers) through data rather than ad hoc code. Handle all
5403 details of standard versions in which flags appeared through
5404 data. Use the "4" flag.
5406 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
5408 * config/h8300/h8300.md: Remove the memory alternative and correct
5409 the insn lengths in the templates for sign extention and zero
5412 2000-10-07 Richard Henderson <rth@cygnus.com>
5414 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
5415 * flow.c (make_edges): Revert last change.
5417 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
5419 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
5421 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
5423 * config/alpha/elf.h: Standardize the formatting.
5425 2000-10-06 David O'Brien <obrien@FreeBSD.org>
5427 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
5430 2000-10-06 Richard Henderson <rth@cygnus.com>
5432 * function.c (diddle_return_value): Examine
5433 current_function_return_rtx instead of the DECL_RESULT.
5434 (expand_function_end): Handle reloading DECL_RESULT from memory
5435 into a hard register. Query promote_mode for sign of mismatched
5438 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5440 * haifa-sched.c (schedule_insns): Fix typo in freeing
5441 forward_dependency_cache.
5443 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5445 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
5446 `TARGET_SH2' as a condition.
5448 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5450 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
5451 forward_dependency_cache): New variables.
5452 (add_dependence, remove_dependence): Use anti_dependency_cache and
5453 output_dependency_cache.
5454 (compute_block_forward_dependences): Use forward_dependency_cache.
5455 (schedule_insns): Allocate and free memory for anti/output/forward
5456 dependencies caches.
5458 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5460 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
5461 `! TARGET_SH1'. Reindent.
5463 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5465 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
5466 Move functions from here ...
5468 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
5470 (c_expand_builtin): New function.
5471 (init_function_format_info): Don't set `check_function_format_ptr'.
5472 (c_common_nodes_and_builtins): Set built_in_class type for
5473 printf/__builtin_printf to BUILT_IN_FRONTEND.
5474 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
5476 * c-common.h (build_function_call): Declare.
5478 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
5479 to `lang_expand_expr' rather than `expand_builtin'.
5481 * tree.c (check_function_format_ptr): Delete.
5483 * tree.h (check_function_format_ptr): Likewise.
5485 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
5487 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
5488 DW_OP_bregx when cfa->reg > 31.
5490 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
5493 2000-10-05 Richard Henderson <rth@cygnus.com>
5495 * c-decl.c (warn_missing_noreturn): Remove.
5496 (c_expand_body): Don't set or check can_reach_end.
5497 * c-tree.h (warn_missing_noreturn): Move ...
5498 * flags.h: ... here.
5499 (can_reach_end): Remove.
5500 * flow.c (check_function_return_warnings): New.
5501 (make_edges): No edge to exit for noreturn sibcalls.
5502 * function.c (expand_function_end): Save the return value
5503 clobber instruction.
5504 (mark_function_status): Mark it.
5505 * function.h (struct function): Add x_clobber_return_insn.
5506 * jump.c (can_reach_end): Remove.
5507 (calculate_can_reach_end): Remove.
5508 (jump_optimize_1): Don't call it.
5509 * output.h (check_function_return_warnings): Declare.
5510 * toplev.c (warn_missing_noreturn): Move from c-decl.c
5511 (rest_of_compilation): Call check_function_return_warnings.
5513 2000-10-05 Richard Henderson <rth@cygnus.com>
5515 * Makefile.in (NM_FOR_TARGET): New.
5516 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
5517 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
5518 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
5519 shared library build on that and EXTRA_MULTILIB_PARTS.
5520 * mkmap-flat.awk: New file.
5521 * mkmap-symver.awk: New file.
5522 * libgcc-std.ver: New file.
5523 * config/libgcc-glibc.ver: New file.
5524 * config/ia64/libgcc-ia64.ver: New file.
5525 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5526 (SHLIB_LINK): Add --version-script.
5527 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
5528 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5529 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5530 (SHLIB_LINK): Add -M.
5532 2000-10-05 Richard Henderson <rth@cygnus.com>
5534 * Makefile.in (LIB2FUNCS): Add _clz.
5535 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
5536 (__clz_tab): Put in its own unit, non-static.
5537 * libgcc2.h: Always include longlong.h.
5539 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
5540 a zero instead of -1.
5541 (count_trailing_zeros): Likewise.
5543 2000-10-05 Richard Henderson <rth@cygnus.com>
5545 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
5546 when second op1 is const0_rtx. Validate op0 as a register.
5547 * config/alpha/alpha.md (setcc_internal): Don't allow constants
5548 in the first argument of the compare.
5549 (setcc_swapped_internal): Likewise.
5550 (setne_internal): Likewise.
5552 2000-10-05 Geoff Keating <geoffk@cygnus.com>
5554 * tree.c (tree_size): New function split out of copy_node.
5555 (make_node): Remove obstack handling. Use tree_size.
5556 (copy_node): Use tree_size.
5557 * tree.h: Prototype tree_size.
5559 2000-10-05 Richard Henderson <rth@cygnus.com>
5561 * diagnostic.c (output_format): Add missing break.
5563 2000-10-05 Jim Wilson <wilson@cygnus.com>
5565 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
5566 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
5567 sequence insn to INSN, and delete last sequence insn.
5569 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
5571 * gcc.c (main): Include generated configargs.h header
5572 and use arguments in '-v' output.
5574 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5576 * gcc.c: Move data on prefixes forward in file and reorganize.
5577 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
5578 Always define, but make null if no value.
5579 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
5580 and "md_startfile_prefix_1".
5581 (main): Check whether md_exec_prefix and the others are the
5582 null string rather than whether the macro is defined.
5584 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5586 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
5587 from PSImode to SImode.
5589 2000-10-05 Jakub Jelinek <jakub@redhat.com>
5591 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
5592 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
5593 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
5596 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5598 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
5599 negation in proper type.a
5601 2000-10-04 Richard Henderson <rth@cygnus.com>
5603 * configure.in (enable-shared): New.
5604 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
5605 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
5606 * mklibgcc.in: Use them to link shared a libgcc.
5607 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
5608 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
5609 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
5610 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
5612 * configure.in (alpha-osf*): Use t-osf and x-osf.
5613 * config/alpha/t-osf: New file.
5614 * config/alpha/t-osf4: New file.
5615 * config/alpha/x-osf: New file.
5616 * config/alpha/x-alpha: Remove file.
5618 2000-10-04 Will Cohen <wcohen@redhat.com>
5620 * c-typeck.c (process_init_element): Added warning for zero-length
5623 * extend.texi (Zero Length): State that static initializers for
5624 zero-length arrays are not allowed.
5626 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
5628 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
5631 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5633 * config/float-c4x.h: New.
5634 * configure.in (c4x-*): Set float_format to c4x.
5635 * configure: Regenerate.
5637 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5639 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
5640 compilation for solaris versions 2.7 and greater.
5642 2000-10-02 Marc Espie <espie@openbsd.org>
5644 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
5645 instead of redefining from scratch.
5647 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
5649 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
5651 2000-10-01 Mark Mitchell <mark@codesourcery.com>
5653 * config/ns32k/genix.h: Remove.
5654 * config/ns32k/x-genix: Likewise.
5655 * config/ns32k/xm-genix.h: Likewise.
5656 * config/fx80: Remove all filee in directory.
5657 * config/pyr: Likewise.
5658 * config/tahoe: Likewise.
5659 * config/gmicro: Likewise.
5660 * config/spur: Likewise.
5661 * configure.in: Remove configury bits for above targets.
5662 * configure: Regenerated.
5664 * configure.in: Don't configure chill by default.
5665 * configure: Regenerated.
5667 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
5668 (lang_mark_false_label_stack): Remove.
5669 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
5670 <top level> string in GC area.
5671 (mark_splay_tree_node): New function.
5672 (mark_splay_tree): Likewise.
5673 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
5675 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
5676 * ggc-common.c (lang_mark_false_label_stack): Change type.
5677 * ggc.h (ggc_alloc_string): Add comment.
5678 (ggc_strdup): New function.
5680 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
5682 * config/avr/avr.h (BRANCH_COST): Define as 0.
5684 * config/pdp11/pdp11.c: #include "tree.h" added.
5686 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
5688 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
5689 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
5690 with known shift count.
5691 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
5692 New alternative for shift count 2 with no scratch register.
5693 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
5694 "set_n" for shift counts 1 and 2.
5696 2000-09-30 Geoff Keating <geoffk@cygnus.com>
5698 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
5699 the mask value from the individual SET operations.
5700 (return_internal_si): Move the USE after the RETURN.
5701 (return_internal_di): Likewise.
5702 (return_and_restore_fpregs_si): Likewise.
5703 (return_and_restore_fpregs_di): Likewise.
5704 (return_eh_si): Likewise.
5705 (return_eh_di): Likewise.
5706 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
5708 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
5709 Don't generate a PARALLEL around a single operation movsi_to_cr.
5710 Generate the RETURN first in any PARALLELs.
5712 * rtlanal.c (single_set_1): Use fatal_insn to display the
5713 invalid insn. Check for more cases when a USE or CLOBBER occurs
5715 * Makefile.in: Update dependencies for rtlanal.o.
5717 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5719 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
5721 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5723 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
5724 Consistently use @email for formatting email addresses.
5726 2000-09-29 Richard Henderson <rth@cygnus.com>
5728 * cse.c (notreg_cost): New argument outer.
5729 (COST): Pass in SET to notreg_cost
5731 (fold_rtx): Use COST_IN. Prefer constants when costs
5734 2000-09-29 David Edelsohn <edelsohn@gnu.org>
5736 * fixinc/inclhack.def (broken_cabs): Generalize regex.
5737 * fixinc/fixincl.x: Regenerate.
5739 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5741 * loop.c (check_final_value): A GIV is not replaceable if used
5744 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
5746 * version.c: Bump to gcc-2.97.
5748 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
5750 * final.c (final_scan_insn): Remove extra extract_insn call;
5751 Use caching for constrain_operands.
5752 (cleanup_subreg_operands): Use caching for extract_insn.
5753 * recog.c (constrain_operands_cached): New.
5754 * recog.h (constrain_operands_cached): Declare.
5755 * i386.c (ix86_attr_length_immediate_default,
5756 ix86_attr_length_address_default, ix86_agi_dependant): Cache
5759 * recog.c (asm_noperands): Tweak.
5760 (extract_insn): Do not call asm_noperads for non-asm instructions.
5762 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5764 * recog.c (recog_memoized): Rename to recog_memoized_1.
5765 * recog.h (recog_memoized): Rename to recog_memoized_1.
5766 (recog_memoized): New macro.
5767 * rtl.h (single_set): Rename to single_set_1
5768 (single_set): New macro.
5769 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
5772 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
5773 Do not use match_dup of input operands at outputs.
5774 Use register_operand for memory expression.
5775 (rep_movsi): Put use last, canonicalize.
5776 Use register_operand for memory expression.
5777 (rep_movqi): Put use last.
5778 Use register_operand for memory expression.
5779 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
5780 of input operands at outputs. Use register_operand for memory
5782 (rep_stossi): Put use last; canonicalize; fix match_dup in
5783 the address expression
5784 (rep_stosqi): Likewise.
5785 (memcmp expander): Update calls.
5786 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
5789 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
5791 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
5793 2000-09-28 David O'Brien <obrien@FreeBSD.org>
5795 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
5796 Contains the old contents of config/i386/freebsd.h
5797 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
5798 Contains the old contents of config/i386/freebsd-elf.h
5799 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
5800 config/i386/freebsd.h.
5801 * configure.in: Adjust for above changes.
5802 * po/POTFILES.in: Likewise.
5803 * po/en_GB.po: Likewise.
5804 * po/gcc.pot: Likewise.
5805 * configure: Rebuilt.
5807 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5809 * doloop.c (doloop_modify): Prevent delete_insn() from
5810 deleting too much. Prefer loop->top over loop->start as
5811 target for the new JUMP insn.
5812 (doloop_valid_p): Ignore loop with exit_count != 0.
5814 2000-09-28 Philipp Thomas <pthomas@suse.de>
5816 * invoke.texi (i386 Options): Add athlon to table of possible
5819 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
5821 * diagnostic.h (output_clear_message_text): New function.
5822 (output_message_text): New macro.
5824 * diagnostic.c (clear_text_info): Rename to
5825 output_clear_message_text.
5826 (output_clear): Adjust.
5827 (output_finish): Rename to output_finalize_message. Tweek.
5828 (output_to_stream): Adjust.
5830 2000-09-28 Neil Booth <neilb@earthling.net>
5832 * cpperror.c (_cpp_begin_message): Do the test for suppression
5833 of warnings and pedantic warnings before the "is a warning an
5835 * cppinit.c (cpp_handle_option): Remove surplus \n.
5836 * cpplex.c (ON_REST_ARG): Delete.
5837 (skip_block_comment): Initialise prevc.
5838 (parse_args): Improve error messages.
5839 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
5841 * cpplib.c (cpp_push_buffer): Fix grammar in message.
5842 * cppmain.c (main): Set callbacks for #ident and #pragma
5843 only if no_output option is false.
5844 (do_pragma_implementation): Only call the #pragma handler
5845 if it is set in the cpp_reader structure.
5847 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
5849 * integrate.c (copy_insn_list): if an ignored return value
5850 is being clobbered, skip cloning that into the inline copy.
5852 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
5854 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
5855 use @uref for formatting URLs.
5857 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
5859 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
5862 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
5864 * gcc.c (cpp_options): Add spec for -ftabstop=.
5865 (invoke_as): New spec that handles invoking as.
5866 Update specs to handle -save-temps and -traditional.
5867 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
5869 * cp/lang-specs.h, objc/lang-specs.h: Update to use
5870 invoke_as, and handle -save-temps and -traditional (if
5873 2000-09-26 Jakub Jelinek <jakub@redhat.com>
5875 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
5877 (function_arg_slotno): Accept TImode/CTImode.
5878 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
5881 2000-09-26 Michael Hayes <mhayes@cygnus.com>
5883 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
5886 2000-09-25 Jim Wilson <wilson@cygnus.com>
5888 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
5889 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
5890 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
5891 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
5893 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
5895 * cpplex.c (parse_args): Don't set VOID_REST flag.
5896 (CONTEXT_VARARGS): New flag.
5897 (maybe_paste_with_next): Set context earlier in loop. Use
5898 it. Do varargs test with CONTEXT_VARARGS flag.
5899 (push_arg_context): Set CONTEXT_VARARGS flag if we're
5900 pushing an argument context for a varargs argument.
5901 * cpplib.h (VOID_REST): Delete.
5902 * gcc.dg/cpp/vararg1.c: Add test case.
5904 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
5906 * flags.h: Declare warning flag warn_system_headers.
5907 * toplev.c: Define it.
5908 (W_options): Add option -Wsystem-headers.
5909 * diagnostic.c (count_error): Test warn_system_headers.
5910 * invoke.texi: Add description for -Wsystem-headers.
5911 * cpplib.h (cpp_options): New member warn_system_headers.
5912 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
5913 CPP_IN_SYSTEM_HEADER.
5914 * cpplib.c (do_import, do_pragma_once): Likewise.
5915 * cpperror.c (_cpp_begin_message): Test warn_system_headers
5916 and CPP_IN_SYSTEM_HEADER.
5917 * cppinit.c (handle_option): Recognize -Wsystem_headers.
5918 (print_help): Describe -Wsystem_headers.
5919 * cpplex.c (lex_line): Reorganize condition so that warnings
5920 about C++ comments in system headers can be enabled. Remove
5921 label do_line_comment.
5923 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
5925 * cpplex.c (save_comment): Only store the initial '/'
5927 (lex_token): Combine handling of the two comment types.
5928 Pass everything but the initial '/' to save_comment.
5930 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
5932 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
5933 _cpp_can_paste): New library-internal prototypes.
5934 * cpplex.c (dump_param_spelling, output_line_command,
5935 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
5936 cpp_printf, cpp_output_list): Move to cppoutput.c.
5937 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
5938 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
5940 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
5941 dump_param_spelling, output_line_command, cpp_scan_buffer,
5942 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
5944 * Makefile.in: Add cppoutput.c.
5945 * po/POTFILES.in: Add cppoutput.c.
5947 2000-09-25 Richard Henderson <rth@cygnus.com>
5949 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
5950 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
5951 split until after reload.
5952 (rotlsi3, rotldi3): New.
5954 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
5956 * diagnostic.c (output_last_position): Define.
5957 (set_real_maximum_length): Tweek.
5958 * diagnostic.h (output_last_position): Declare.
5960 2000-09-25 Kazu Hirata <kazu@hxi.com>
5962 * config/i386/i386.c: Fix formatting.
5964 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
5966 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
5967 UNITS_PER_WORD is small.
5969 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
5971 * c-common.c (format_char_info): Add flags2; update comments.
5972 (print_char_table, scan_char_table, time_char_table): Split some
5973 flags out into flags2.
5974 (check_format_info): Use flags2 for those flags, for identifying
5975 the initial character of a scanf scanset, and for identifying
5976 printf formats where the '0' flag is ignored with precision.
5978 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
5980 Changes below marked "here" add TABs on either or both sides,
5981 covering start of line, up to any operand for all noted .*ASM.*_OP
5982 definitions. All callers changed.
5983 * tm.texi: Make documented *_ASM.*_OP:s include spacing
5984 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
5985 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5986 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5987 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
5988 Fix typos in description for LONG_LONG_TYPE_SIZE and
5989 FINI_SECTION_ASM_OP.
5990 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
5991 why these defaults don't have leading spacing.
5992 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
5993 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5994 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
5995 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
5996 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
5997 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
5998 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
5999 * varasm.c (ASM_STABS_OP): Here.
6000 * xcoffout.h (ASM_STABS_OP): Here.
6001 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6002 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6003 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
6004 STRING_ASM_OP): Here.
6005 * config/freebsd.h (IDENT_ASM_OP): Here.
6006 * config/linux-aout.h (SET_ASM_OP): Here.
6007 * config/linux.h (SET_ASM_OP): Here.
6008 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6010 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6011 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
6012 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6013 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6015 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6016 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6017 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
6018 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6019 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
6020 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6021 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
6022 * config/a29k/udi.h (INT_ASM_OP): Here.
6023 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
6024 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6026 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
6027 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6028 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6029 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
6030 ASM_STABD_OP): Here.
6031 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
6032 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
6033 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6034 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
6035 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
6036 SIZE_ASM_OP, STRING_ASM_OP): Here.
6037 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
6038 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
6039 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
6040 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
6041 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
6042 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
6044 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6045 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
6046 * config/arm/coff.h (INT_ASM_OP): Here.
6047 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6048 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
6049 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
6050 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
6051 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6052 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6053 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
6054 STRING_ASM_OP): Here. Update documentation copy in comments.
6055 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
6056 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
6057 DATA_SECTION_ASM_OP): Here.
6058 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
6060 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
6061 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6062 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6063 BSS_SECTION_ASM_OP): Here.
6064 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6065 BSS_SECTION_ASM_OP): Here.
6066 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6068 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
6069 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6070 * config/h8300/h8300.h (ASM_WORD_OP): Here.
6071 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6072 BSS_SECTION_ASM_OP): Here.
6073 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
6074 * config/i386/bsd.h (ASM_BYTE_OP): Here.
6075 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
6076 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
6077 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
6079 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
6080 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
6082 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
6083 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6084 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
6085 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6087 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
6088 * config/i386/netbsd.h (INT_ASM_OP): Here.
6089 * config/i386/openbsd.h (INT_ASM_OP): Here.
6090 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
6091 IDENT_ASM_OP): Here.
6092 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
6093 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
6094 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
6095 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
6096 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
6097 SHARED_BSS_SECTION_ASM_OP): Here.
6098 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
6099 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6100 DATA_SECTION_ASM_OP): Here.
6101 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6102 CONST_SECTION_ASM_OP): Here.
6103 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
6104 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6105 BSS_SECTION_ASM_OP): Here.
6106 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
6107 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
6108 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
6109 BSS_ASM_OP): Here, but use trailing spaces.
6110 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6111 DATA_SECTION_ASM_OP): Here.
6112 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
6114 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
6115 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
6116 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6117 TDESC_SECTION_ASM_OP): Here.
6118 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
6119 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6120 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6122 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6123 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6124 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6125 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6126 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
6127 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
6128 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6129 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
6130 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
6131 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
6132 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6133 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6135 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6136 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6137 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
6138 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
6139 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
6140 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
6141 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
6142 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6143 GLOBAL_ASM_OP): Here.
6144 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
6145 BSS_SECTION_ASM_OP): Here.
6146 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
6147 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6148 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
6149 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
6151 * config/m68k/newsgas.h (SET_ASM_OP): Here.
6152 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
6153 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6154 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6155 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6156 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
6157 but use trailing spaces.
6158 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
6159 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
6160 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
6162 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6163 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6164 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6165 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6166 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6167 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
6168 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
6169 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
6170 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
6171 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
6172 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6173 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
6175 * config/m88k/openbsd.h (SET_ASM_OP): Here.
6176 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6177 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6178 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
6179 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
6180 DTORS_SECTION_ASM_OP): Here.
6181 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
6182 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6183 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
6184 BSS_SECTION_ASM_OP): Here.
6185 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
6186 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
6187 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
6188 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
6189 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
6190 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6191 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
6192 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
6194 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
6196 * config/mips/osfrose.h (SET_ASM_OP): Here.
6197 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
6198 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
6199 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
6200 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6202 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
6203 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
6204 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
6205 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
6206 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
6207 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6209 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6211 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
6212 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
6213 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
6215 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
6216 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
6217 * config/sparc/linux.h (COMMON_ASM_OP): Here.
6218 * config/sparc/linux64.h (COMMON_ASM_OP,
6219 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6220 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
6221 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6222 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
6223 * config/sparc/pbd.h (ASM_INT_OP): Here.
6224 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
6225 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6226 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
6227 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
6228 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
6229 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
6230 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
6231 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
6232 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
6233 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6234 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6235 EH_FRAME_SECTION_ASM_OP): Here.
6236 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
6237 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6239 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6241 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
6242 TCOMMON_ASM_OP): Here.
6243 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6245 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6248 2000-09-25 Richard Henderson <rth@cygnus.com>
6250 * expmed.c (store_bit_field): Adjust last change to not consider
6251 any word-sized field naturally aligned.
6253 2000-09-24 Richard Henderson <rth@cygnus.com>
6255 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
6256 TFmode unordered compares properly. Revalidate integer compare
6258 (alpha_emit_setcc): New.
6259 (alpha_emit_conditional_move): Revalidate integer compare operands.
6260 * config/alpha/alpha-protos.h: Update.
6261 * config/alpha/alpha.md (cmpdi): Allow general operands.
6262 (sne): Use alpha_emit_setcc.
6263 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
6264 (sunordered, sordered): New.
6266 2000-09-24 Richard Henderson <rth@cygnus.com>
6268 * config/ia64/ia64-protos.h: Update.
6269 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
6270 (ia64_expand_call): New.
6271 (ia64_expand_prologue): Emit an alloc if we need extra input
6273 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
6274 instruction if true.
6275 (struct reg_flags): Add is_sibcall.
6276 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
6277 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
6278 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
6279 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6280 * config/ia64/ia64.md (call): Use ia64_expand_call.
6281 (call_value): Likewise.
6282 (sibcall, sibcall_value): New.
6283 (call patterns): Remove extra expanders; tidy.
6284 (sibcall_epilogue): New.
6285 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
6287 2000-09-24 Richard Henderson <rth@cygnus.com>
6289 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
6291 * sibcall.c (skip_pic_restore): New.
6292 (identify_call_return_value): Use it.
6294 2000-09-24 Mark Mitchell <mark@codesourcery.com>
6296 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
6297 functions. Generalize to handle both C and C++.
6298 * Makefile.in (c-tree.info): New target.
6299 (info): Add c-tree.info.
6301 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6303 * expr.c (store_field): If BITSIZE is negative, use size of type.
6304 (expand_expr, case COMPONENT_EXPR): Likewise.
6306 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
6308 * cpplex.c: Update TODO comment.
6309 * cpplib.c (do_error, do_warning): Merge common code of
6310 do_error and do_warning into do_diagnostic. Use it.
6311 (do_diagnostic): New function.
6312 * cpplib.h: Fix comment typo.
6314 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6316 * c-common.c (check_format_info): Warn for a wide character string
6317 used as a non-wide format argument.
6319 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6321 * builtins.def (BUILT_IN_LLABS): Add.
6322 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
6323 * c-common.c (c_common_nodes_builtins): Create builtin functions
6324 __builtin_llabs, and plain llabs unless no_nonansi_builtins
6325 outside of C99 mode.
6326 (expand_tree_builtin): Handle BUILT_IN_LLABS.
6328 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
6330 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
6331 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
6332 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
6333 _cpp_free_toklist): No need to worry about extra dummy token
6334 at the start of token lists any more.
6335 (trigraph_ok): Only warn outside comments.
6336 (skip_block_comment): Set and clear lexing_comment.
6337 (skip_line_comment): Take a cpp_reader not cpp_buffer.
6338 Set and clear lexing_comment.
6339 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
6340 (check_long_token): Delete.
6341 (lex_percent, lex_dot): New subroutines of lex_token to
6342 handle lexing of '.' and '%' without lookback.
6343 (lex_token): Use lex_dot and lex_percent.
6344 (lex_line): Don't check for LIST_OFFSET.
6345 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
6346 * cpplib.c (_cpp_parse_assertion): Similarly.
6347 (cpp_push_buffer): Initialize extra_char.
6348 * cpplib.h (LIST_OFFSET): Delete.
6349 (struct cpp_buffer): New member extra_char.
6350 (struct lexer_state): New members lexing_comment and seen_dot.
6352 2000-09-23 Jason Merrill <jason@redhat.com>
6354 * config/rs6000/x-aix41 (CLIB): Define here.
6355 * config/rs6000/t-aix43: Not here.
6356 * config/rs6000/t-aix41: Or here. Remove.
6357 * configure.in: Don't use it.
6359 2000-09-22 Jason Merrill <jason@redhat.com>
6361 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
6362 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
6363 * config.in: Regenerate.
6365 * configure.in: Fix checks for assembler features when using a
6366 one-tree assembler that has not yet been built.
6367 Fix --disable-threads.
6369 2000-09-19 Geoff Keating <geoffk@cygnus.com>
6371 * stmt.c (expand_asm_operands): Allow # in constraints.
6373 2000-09-22 Jason Merrill <jason@redhat.com>
6375 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
6377 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
6378 function-local names.
6380 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
6381 Mark Mitchell <mark@codesourcery.com>
6383 * toplev.c (warn_disabled_optimization): Declare new warning flag.
6384 * flags.h (warn_disabled_optimization): Add it here.
6385 * gcse.c (gcse_main): Add warning when disabled.
6386 * invoke.texi: Document -Wdisabled-optimization.
6388 2000-09-21 Jason Merrill <jason@redhat.com>
6390 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
6392 * dwarf2out.c (tree_add_const_value_attribute): New fn.
6393 (gen_variable_die): Call it for non-definitions.
6395 * dwarf2out.c (die_struct): Add die_mark field.
6396 (mark_dies, unmark_dies): New fns.
6397 (clear_die_sizes): Remove.
6398 (print_die): Check die_symbol rather than die_offset.
6399 (build_abbrev_table, output_pubnames, output_aranges): Check
6400 die_mark rather than die_offset.
6401 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
6404 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
6406 * cppfiles.c (lookup_include_file): Rename to open_file.
6407 Always create a splay tree value, even on syscall failures.
6408 Negative entries indicated by fd == -2.
6409 Re-open files closed in the meantime.
6410 (_cpp_fake_include): Create a negative splay tree entry.
6411 (find_include_file, cpp_read_file): Update for function name
6413 * gcc.gd/cpp/mi4.c: Testcase.
6415 2000-09-21 Nick Clifton <nickc@redhat.com>
6417 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
6418 ARM and THUMB modes.
6420 * config/mcore/mcore.c: Fix compile time warnings.
6421 * config/mcore/mcore-protos.h: Fix compile time warnings.
6423 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6425 * configure.in: Correct test of gcc_cv_glibc.
6426 * configure: Rebuilt.
6427 * config.in: Rebuilt.
6429 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6431 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
6432 (expand_builtin): Handle BUILT_IN_FWRITE.
6434 * builtins.def (BUILT_IN_FWRITE): New entry.
6436 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
6438 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6440 * gcc.c (modify_target): New variable and struct.
6441 (process_command): Handle MODIFY_TARGET_NAME.
6442 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
6443 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
6445 * c-decl.c (finish_decl): Add else's to avoid referencing
6446 TYPE_DOMAIN of an ERROR_MARK.
6448 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
6450 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
6453 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
6455 * config/avr/avr.md (neghi2): Add alternative for input and output
6456 operands in different registers, as in negsi2.
6457 (*negsi2): Remove '*' from the name. Use "movw" if available.
6459 2000-09-19 Jim Wilson <wilson@cygnus.com>
6461 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
6462 HAVE_GAS_HIDDEN macro.
6464 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
6466 * cpplex.c (lex_line): Drop the EOF token for unknown
6467 directives in assembler.
6469 2000-09-19 David Edelsohn <edelsohn@gnu.org>
6471 * configure.in: Allow enable_threads_flag value of "aix". Define
6472 thread_file as "aix" for AIX 4.3 and above.
6473 * configure: Regenerated.
6475 * gthr-aix.h: New file.
6477 * rs6000/t-aix43: Replace soft-float multilib with pthread.
6478 Remove 403 processor multilib match. Fix rios2 processor multilib
6481 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
6482 to return to appropriate csect.
6484 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6486 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
6488 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
6489 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
6492 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
6495 * c-common.c (init_function_format_info): Handle __builtin_printf.
6496 Set `check_function_format_ptr'.
6497 (c_common_nodes_and_builtins): Set `puts_ftype' and
6498 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
6499 __builtin_printf and printf.
6501 * tree.c, tree.h (check_function_format_ptr): Declare.
6503 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
6505 * cppfiles.c (read_include_file): Take no special action for
6508 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
6510 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
6511 rather than that of branch.
6512 (shorten_branches): Don't increment insn_current_address twice.
6514 Undo most of the Wed Jan 27 23:39:53 1999 patch:
6515 * loop.h (struct induction): Delete members derived, ix and last_use.
6516 (struct loop_ivs): Delete members first_increment_giv and
6518 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
6519 recombine_givs): Delete functions.
6520 (find_and_verify_loops): Don't initialize cont_dominator.
6521 (strength_reduce): Lose code to try to find bivs that can be
6522 expressed as givs of another biv, and to convert biv increments
6524 Lose loop_scan_start variable, always use loop->scan_start.
6525 Don't call recombine_givs. Don't handle derived givs.
6526 (record_giv): Don't initialize derived and last_use fields.
6527 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
6529 * unroll.c (derived_regs): Delete static variable.
6530 (unroll_loop): Don't initialize it.
6531 (copy_loop_body): Lose code to handle derived givs.
6532 (find_splittable_givs): Don't check for givs made from biv
6534 Don't set derived_regs.
6536 Fix misapplied earlier patch:
6537 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
6539 (floatsisf2): Generate floatsisf_ie by default.
6540 (floatsisf_i4): Conditional on TARGET_SH4.
6542 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
6543 predicate for the expanders.
6545 2000-09-19 Richard Henderson <rth@cygnus.com>
6547 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
6548 in addition to pentium and pentiumpro symbols.
6549 (CPP_CPU_DEFAULT_SPEC): Likewise.
6551 * c-typeck.c (c_expand_asm_operands): Restore the output tree
6554 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
6555 if the tree has side effects.
6556 (warn_if_unused_value): Do not warn about void constructs.
6558 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
6560 * unroll.c (copy_loop_body): Update LABEL_NUSES before
6561 calling invert_jump.
6563 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6565 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
6568 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6570 * Makefile.in (c-common.o): Depend on diagnostic.h.
6572 * c-common.c: Include diagnostic.h.
6574 (status_warning): New function.
6575 (check_format_info, maybe_read_dollar_number, check_format_types,
6576 finish_dollar_format_checking, check_function_format): Accept a
6577 `status' parameter. All callers changed.
6579 * c-common.h (check_function_format): Accept a `status' parameter.
6581 * c-typeck.c: Update call to `check_function_format'.
6583 2000-09-18 Richard Henderson <rth@cygnus.com>
6585 * c-decl.c (c_expand_body): Call mark_varargs before
6586 expand_function_start.
6588 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6590 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
6591 * config/rs6000/eabi-ci.asm: Likewise.
6593 2000-09-18 Richard Henderson <rth@cygnus.com>
6595 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
6598 2000-09-18 Jim Wilson <wilson@cygnus.com>
6600 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
6601 before passing it to fold_rtx_mult_add.
6603 * unroll.c (final_giv_value): Pass increment through
6604 extend_value_for_giv before passing it to emit_iv_add_mult.
6606 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
6607 paradoxical subreg, then directly substitute the replacement and
6610 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
6612 * cpp.texi: Update documentation, including some clarifications,
6613 the treatment of various newline combinations, and space between
6614 backslash and newline.
6616 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6618 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
6619 Replace ASM_OUTPUT_LABELREF with assemble_name.
6621 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6623 * sh.c (addsubcosts): CONST is not cheap.
6624 (find_barrier): For Sh1, take alignment after jumps into account.
6626 2000-09-15 Andrew Haley <aph@redhat.com>
6628 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
6629 remove all SETs of SUBREGs of hard registers.
6630 * function.c (purge_hard_subreg_sets): New function.
6631 (purge_single_hard_subreg_set): New function.
6632 * rtl.h: (purge_hard_subreg_sets): New function.
6634 2000-09-18 Richard Henderson <rth@cygnus.com>
6636 * config/ia64/ia64-protos.h: Update.
6637 * config/ia64/ia64.c (signed_inequality_operator): New.
6638 (ia64_expand_compare): New.
6639 (ia64_register_move_cost): Handle PR_REGS moves.
6640 (ia64_secondary_reload_class): Require a GR when moving to a PR.
6641 (struct reg_write_state): Add written_by_and/or.
6642 (struct reg_flags): Add is_and/or.
6643 (rws_update): Set them.
6644 (rws_access_regno): Test them to allow parallel comparisons.
6645 (rtx_needs_barrier): Recognize parallel comparisons.
6646 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
6647 Call recog_memoized; ignore pred_rel_mutex.
6648 (emit_predicate_relation_info): Don't call find_basic_blocks here.
6649 (ia64_reorg): Do it here instead.
6650 * config/ia64/ia64.h: s/CCmode/BImode/g
6651 (MODES_TIEABLE_P): Don't tie BImode.
6652 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
6653 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
6654 (RTX_COSTS): Make multiply 4 insns.
6655 (MEMORY_MOVE_COST): New.
6656 (PREDICATE_CODES): Update.
6657 * config/ia64/ia64.md: s/CCmode/BImode/g
6658 (movcci, movbi): New.
6659 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
6660 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
6661 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
6662 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
6663 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
6664 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
6665 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
6666 (mulsi, muldi): Use xmpy not xma.
6668 (movcc, movcc_internal): Remove.
6669 (branch expanders): Use ia64_expand_compare.
6670 (setcc expanders): Likewise.
6671 (cmov insns): Use move_operand and ia64_move_ok.
6672 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
6673 scheduler from moving it past a use.
6674 * config/ia64/build.hacks: Remove.
6676 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
6678 * cpphash.h (HASHSTEP): Take character rather than pointer
6680 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
6682 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
6684 * cpplex.c (auto_expand_name_space, trigraph_replace,
6685 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
6686 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
6687 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
6688 KNOWN_DIRECTIVE): Delete.
6690 (handle_newline, check_long_token, skip_escaped_newlines,
6691 unterminated): New functions.
6692 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
6694 (parse_identifier): Was parse_name, new implementation.
6695 (skip_line_comment, skip_block_comment, skip_whitespace,
6696 parse_number, parse_string, trigraph_ok, save_comment,
6697 adjust_column, _cpp_get_line): New implementations.
6699 (lex_token): New function. Lexes a token at a time, looking
6700 forwards. Contains most of the guts of the old lex_line.
6701 (lex_line): New implementation, using lex_token to obtain
6703 (cpp_scan_buffer): Use the token's line, not the list's line.
6705 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
6706 New implementations.
6707 (do_assert): Don't bother setting the answer's list's line.
6708 (cpp_push_buffer): Initialise new pfile and read_ahead members
6709 of struct cpp_buffer.
6711 * cpplib.h (cppchar_t): New typedef.
6712 (struct cpp_buffer): read_ahead, pfile and col_adjust are
6714 (struct lexer_state): New structure that determines the state
6715 and behaviour of the lexer.
6716 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
6717 (struct cpp_reader): New member "state". Rename
6718 multiline_string_line and multiline_string_column. Delete
6719 col_adjust, in_lex_line members.
6720 (CPP_BUF_COLUMN): Update.
6722 2000-09-18 Richard Henderson <rth@cygnus.com>
6724 * combine.c (simplify_comparison): Shift a NOT out of a single
6727 * combine.c (if_then_else_cond): Canonicalize BImode true to
6729 * explow.c (trunc_int_for_mode): Likewise.
6731 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
6732 the NOT for De Morgan's rule.
6733 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
6734 of a comparison to the reverse comparison.
6736 * combine.c (try_combine): Allow split to create a single insn.
6738 * machmode.def: Add BImode. Add a column for bitsize.
6739 * machmode.h (DEF_MACHMODE): Adjust for extra column.
6740 (GET_MODE_BITSIZE): Use it.
6741 * rtl.c (DEF_MACHMODE): Adjust for extra column.
6742 (mode_bitsize): New.
6743 (mode_mask_array): Use bitsize.
6744 * combine.c (combine_simplify_rtx): Require inner and outer
6745 modes to match on nonzero_bits optimizations.
6747 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6749 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
6750 its entry in spill_reg_store.
6751 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
6752 * sh.c (reg_no_subreg_operand): New function.
6753 * sh-protos.h (reg_no_subreg_operand): Declare it.
6754 * sh.h (PREDICATE_CODES): Add it.
6755 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
6756 input operand that needs to be in fpul.
6757 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
6758 * sh.c (find_barrier): Take into account that machine_dependent_reorg
6759 might add new insns.
6761 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
6763 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
6765 (sh_expand_epilogue): Take the PIC register into account when
6766 computing the frame size.
6768 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
6769 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
6770 LABEL_REFs with a PIC-safe unspec.
6772 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6774 * c-common.c (check_format_info): Properly save the argument
6775 number and parameter for $ operand number formats in case width
6776 and precision arguments are also used. Allow printf width and
6777 precision arguments to have operand numbers even if none was
6778 specified for the main format, since this is OK for %*.*m. Only
6779 object to missing $ operand number if the format used requires an
6782 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6784 * c-common.c (format_char_info): Add 'W' flag to comment.
6785 (print_char_table, scan_char_table): Use it.
6786 (check_format_info): Use the 'W' flag to determine whether a
6787 format argument is written into.
6789 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6791 * c-common.c (check_format_types): Reorganise and clean up,
6792 checking earlier for ERROR_MARKs and making cur_type into its
6793 TYPE_MAIN_VARIANT where convenient.
6795 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6797 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
6799 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6801 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
6803 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
6804 * i386.c (struct builtin_description): New.
6805 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
6806 (mmx_reg_operand): Declare MODE arg as unused.
6807 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
6808 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
6809 ix86_expand_binop_builtin, ix86_expand_store_builtin,
6810 ix86_init_builtins, ix86_expand_builtin): New functions.
6811 * i386.h (ix86_builtins): New enumeration.
6812 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
6813 * i386.md (attr length_immediate): 0 for mmx/sse types.
6814 (attr prefix_0f): 1 for mmx/sse types.
6815 (setcc_2): Remove "*" so we get gen_setcc_2.
6816 (emms): Account for changed register numbering. Set "memory" attr
6818 (sfence): Set "memory" attr to unknown.
6820 2000-09-18 Andreas Jaeger <aj@suse.de>
6822 * configure.in: Define _GNU_SOURCE only when using the GNU C
6824 * configure: Regenerated.
6825 * config.in: Regenerated.
6827 2000-09-17 Mark Mitchell <mark@codesourcery.com>
6829 * cppinit.c (cpp_init): Don't use ANSI prototypes.
6830 * flow.c (flow_dump_loop): Likewise.
6831 (flow_loops_dump): Likewise.
6833 * c-typeck.c (c_start_case): Fix typo.
6835 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6837 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
6838 to int for plain complex which defaults to complex double. Do
6839 warn about defaulting to complex double if pedantic. Warn about
6840 complex integer types if pedantic. Warn about complex types if
6841 pedantic and not in C99 mode.
6842 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
6843 for complex conjugation.
6845 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6847 * contrib.texi: Update my entry.
6849 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
6851 * config/avr/avr.md (mcu_enhanced): New attribute.
6852 (mcu_mega): Likewise.
6853 (extendhisi2): Use mcu_enhanced.
6854 (zero_extendhisi2): Likewise.
6855 (call_insn): Use mcu_enhanced and mcu_mega.
6856 (call_value_insn): Likewise.
6857 (*sbrx_branch): Use mcu_mega.
6858 (*sbrx_and_branchsi): Likewise.
6859 (*sbrx_and_branchhi): Likewise.
6860 (*tablejump_lib): Likewise.
6862 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6864 * alias.c (true_dependence): Allow non-unchanging read to conflict
6865 with unchanging write.
6867 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
6868 (store_constructor): Pass alias_set to it.
6870 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
6871 TYPE_MAIN_VARIANT of ERROR_MARK.
6872 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
6874 * simplify-rtx.c (simplify_unary_operation): Add cases
6875 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
6877 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
6879 * expr.h (emit_library_call, emit_library_call_value): Delete
6881 * rtl.h (enum libcall_type): New.
6882 (emit_library_call, emit_library_call_value): Change fn_type arg to
6883 be of type enum libcall_type.
6884 * calls.c: Likewise for the function definitions. Several callers
6885 throughout changed to use the new enumeration appropriately.
6886 (emit_library_call_value_1): Likewise. Put back code to make libcall
6887 blocks of equal form, but only use it for the two new higher
6890 2000-09-16 Mark Mitchell <mark@codesourcery.com>
6892 Convert the C front-end to use function-at-a-time mode.
6893 * c-common.h: Include splay-tree.h.
6894 (C_DECLARED_LABEL_FLAG): New macro.
6895 (struct language_function): Add x_scope_stmt_stack and
6896 x_function_name_declared_p.
6897 (RECHAIN_STMTS): Move definition.
6898 (lang_statment_code_p): Likewise.
6899 (lang_expand_stmt): Likewise.
6900 (lang_expand_decl_stmt): New variable.
6901 (lang_expand_function_end): Likewise.
6902 (current_scope_stmt_stack): New function.
6903 (add_decl_stmt): Likewise.
6904 (add_scope_stmt): Likewise.
6905 (mark_stmt_tree): Likewise.
6906 (struct c_lang_decl): New structure.
6907 (DECL_SAVED_TREE): Define.
6908 (c_mark_lang_decl): New function.
6909 (c_expand_start_cond): Change prototype.
6910 (c_finish_then): New function.
6911 (c_finish_else): Likewise.
6912 (current_function_name_declared): Remove.
6913 (set_current_function_name_declared): Likewise.
6914 (mark_c_language_function): Declare.
6915 (case_compare): Likewise.
6916 (c_add_case_label): Likewise.
6917 (c_expand_expr): Likewise.
6918 (c_safe_from_p): Likewise.
6919 * c-common.c (lang_expand_function_end): New variable.
6920 (struct if_elt): Add if_stmt.
6921 (c_expand_start_cond): Add the if-statement to the statement-tree,
6922 rather than generating RTL.
6923 (c_finish_then): New function.
6924 (c_expand_start_else): Don't generate RTL.
6925 (c_finish_else): New function.
6926 (c_expand_expr_stmt): Don't generate RTL.
6927 (statement_code_p): Add SCOPE_STMT.
6928 (case_compare): New function.
6929 (c_add_case_label): Likewise.
6930 (mark_stmt_tree): Likewise.
6931 (c_mark_lang_decl): Likewise.
6932 (mark_c_language_function): Likewise.
6933 (c_expand_expr): Likewise.
6934 (c_safe_from_p): Likewise.
6935 * c-decl.c (c_stmt_tree): New variable
6936 (c_scope_stmt_stack): Likewise.
6937 (c_function_name_declared_p): Likewise.
6938 (lang_expand_expr_stmt): Remove.
6939 (poplevel): Don't call output_inline_function for nested
6941 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
6943 (redeclaration_error_message): Change means of computing whether
6944 or not a function is nested.
6945 (lookup_label): Don't call label_rtx.
6946 (init_decl_processing): Add more GC roots.
6947 (start_decl): Add DECL_STMTs to the statement-tree, rather than
6948 calling rest_of_decl_compilation.
6949 (finish_decl): Don't call expand_decl.
6950 (store_parm_decls): Begin the statement-tree, but don't generate
6952 (finish_function): Tie off the statement-tree. Call c_expand_body
6954 (c_expand_body): New function.
6955 (push_c_function_context): Save more information.
6956 (pop_c_function_contxt): Likewise.
6957 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
6958 (lang_mark_tree): Mark it.
6959 (current_stmt_tree): Adjust.
6960 (current_scope_stmt_stack): New function.
6962 (set_current_name_declared): Likewise.
6963 (c_begin_compound_stmt): Define.
6964 (c_expand_decl_stmt): Likewise.
6965 * c-lang.c: Include rtl.h and expr.h.
6966 (lang_init): Set more language-specific hooks.
6967 * c-lex.c: Include expr.h.
6968 * c-parse.in: Changes throughout to add statements to the
6969 statement-tree, rather than generating RTL after every statement.
6970 * c-semantics.c (lang_expand_decl_stmt): Define.
6971 (add_decl_stmt): New function.
6972 (add_scope_stmt): Likewise.
6973 (finish_stmt_tree): Tweak.
6974 (genrtl_expr_stmt): Likewise.
6975 (genrtl_decl_stmt): Handle local labels, and call
6976 lang_expand_decl_stmt if required.
6977 (genrtl_for_stmt): Fix line-number handling.
6978 (genrtl_case_label): Handle cleanups.
6979 (genrtl_asm_stmt): Don't call combine_strings.
6980 (genrtl_compound_stmt): Simplify.
6981 (expand_stmt): Handle SCOPE_STMTs.
6982 * c-tree.h (struct lang_decl): New structure.
6983 (C_DECLARED_LABEL_FLAG): Remove.
6984 (c_begin_compound_stmt): Declare.
6985 (c_expand_decl_stmt): Likewise.
6986 (c_expand_start_case): Rename to c_start_case.
6987 (c_finish_case): New function.
6988 * c-typeck.c (start_init): Tweak setting of
6989 constructor_incremental.
6990 (c_expand_asm_operands): Tweak error-handling. Add to the
6992 (c_expand_return): Add to the statement-tree.
6993 (c_expand_start_case): Rename to ...
6994 (c_start_case): ... this.
6995 (struct c_switch): New type.
6996 (switch_stack): New variable.
6997 (do_case): Simplify.
6998 (c_finish_case): New function.
6999 * dependence.c: Include expr.h.
7000 (enum dependence_type): Change spelling of enumerals.
7001 (check_node_dependence): Adjust.
7002 * expr.h (lang_safe_from_p): Declare.
7003 (safe_from_p): Likewise.
7004 * expr.c (lang_safe_from_p): New variable.
7005 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
7006 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
7007 * toplev.c (rest_of_decl_compilation): Robustify.
7008 * tree.c (contains_placeholder_p): Likewise.
7009 * Makefile.in: Update dependencies.
7010 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
7011 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
7012 (objc_expand_function_end): New function.
7013 (finish_method_def): Use it.
7014 (init_objc): Initialize more language-specific hooks.
7015 * objc/Make-lang.in: Update dependencies.
7017 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
7019 * configure.in: Define macros that affect features before
7020 testing for features. Don't define _XOPEN_SOURCE.
7021 * configure: Regenerated.
7022 * config.in: Regenerated.
7024 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
7026 * rtlanal.c (rtx_varies_p): Volatile asms vary.
7027 (rtx_unstable_p): Restructure code. Volatile asms
7030 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7032 * function.h (no_debugging_symbols): New field.
7033 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
7034 Initialize no_debugging_symbols.
7035 (output_inline_function): Save and restore write_symbols and set from
7036 no_debugging_symbols.
7037 * toplev.c (rest_of_compilation): Call save_for_inline.
7038 * tree.h: Update comment.
7040 * stor-layout.c (place_field): Don't do anything if field or
7041 its type are ERROR_MARK.
7043 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
7045 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
7046 (read_include_file): Ensure inc->mmaped is initialized.
7048 2000-09-16 Richard Henderson <rth@cygnus.com>
7050 * cppiles.c (purge_cache): Use PTR not caddr_t.
7052 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
7054 * gcc.c: In description for %{<S}, say the option removed is -S.
7055 * invoke.texi (Spec Files): Ditto.
7057 2000-09-16 Andreas Jaeger <aj@suse.de>
7059 * configure.in: Always define _GNU_SOURCE to make interfaces
7060 visible that were hidden by only defining _GNU_SOURCE.
7061 * configure: Regenerated.
7063 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
7065 * cpplex.c (push_macro_context): Set an argument's level after
7066 calling parse_args. We could loop infinitely otherwise.
7068 2000-09-15 Tom Tromey <tromey@cygnus.com>
7070 * configure, config.in: Rebuilt.
7071 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
7073 2000-09-15 Greg McGary <greg@mcgary.org>
7075 * cppmacro.c (check_trad_stringification): Check token
7076 text pointers against limit before dereferencing.
7078 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
7080 * c-common.c (format_wanted_type): New structure.
7081 (check_format_types): New function.
7082 (check_format_info): Pass all checking of types of format
7083 arguments, including width and precision arguments, to this new
7086 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7088 * BUGS: Remove file.
7090 2000-09-15 Jakub Jelinek <jakub@redhat.com>
7092 * config/alpha/alpha.c (override_options): ev6 cache latencies
7093 from Richard Henderson. Don't allow -mmemory-latency=L0.
7095 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
7096 (TARGET_OPTIONS): Add tune=.
7097 (alpha_tune_string): Declare.
7098 * config/alpha/alpha.c (override_options): Add cpu_table.
7099 Use alpha_cpu_string first to set both alpha_cpu and target_flags
7100 and then alpha_tune_string to set alpha_cpu only.
7101 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
7102 * config/alpha/elf.h (ASM_FILE_START): Likewise.
7103 * config/alpha/osf.h (ASM_FILE_START): Likewise.
7104 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
7106 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7108 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
7110 (ix86_comparison_operator, ix86_cc_mode): Declare
7111 * i386.h (CCGC, CCGCO): New modes.
7112 (SELECT_CC_MODE): Move offline to ....
7113 * i386.c (ix86_cc_mode): .... here; use new modes.
7114 (ix86_comparison_operator): New.
7115 (fcmov_comparison_operator): Ensure proper mode.
7116 (put_condition_mode): More sanity checking.
7117 (ix86_match_ccmode): Handle new modes.
7118 (ix86_expand_fp_compare): GEU requires CCmode.
7119 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
7121 * i386.md (cmp?i_ccz_1): Remove
7122 (cmp?i_ccno_1): Use ix86_match_ccmode.
7123 (cmp?i_minus_1): New.
7124 (cmpsi_1): New expander.
7125 (cmpqi_ext_1): Use match_ccmode
7126 (cmpqi_ext_3): New expander.
7127 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
7128 (cmpqi_ext_4): Use match_ccmode.
7129 (add?i_?): Use match_ccmode.
7131 (test?i_ccz_1): Remove
7133 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
7134 (testqi_ext_0): Use ix86_match_ccmode.
7135 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
7136 (xorqi_cc_ext_1): New expander.
7137 (shift patterns): Use CCGOCmode for all shifts except for sar.
7138 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
7139 (setcc_3, jcc_3, miv?icc_c): Remove.
7141 2000-09-15 Will Cohen <wcohen@redhat.com>
7143 * dwarf2out.c (add_const_value_attribute): Changed array into a
7144 xmalloced object, so it exists after function exit.
7145 (free_AT): Added case for dw_val_class_float to free allocated
7148 2000-09-15 Kazu Hirata <kazu@hxi.com>
7150 * config/i386/i386.md: Fix a comment typo.
7151 * gcc.c: Fix formatting.
7153 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7155 * optabs.c (emit_libcall_block): If target is a user variable,
7156 copy to a temporary first.
7157 * expr.c (convert_move): When generating a libcall, make a libcall
7159 * calls.c (emit_library_call_value_1): Don't create a libcall
7160 sequence here; our caller will in most cases do it.
7162 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
7164 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
7165 * sh.md (reload_outsf): Generate recognizable patterns for
7167 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
7168 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
7169 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
7170 truncdfsf2_i4): Change not to use explicit references to fpul.
7171 (floatsisf2_ie): Remove USE of fpscr.
7172 (floatsisf2): Change default expansion to match this.
7173 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
7176 2000-09-15 Richard Henderson <rth@cygnus.com>
7178 * expmed.c (store_bit_field): Consider naturally aligned
7179 memory for direct reference.
7181 2000-09-15 Richard Henderson <rth@cygnus.com>
7183 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
7184 AND addresses into alias set 0.
7185 (alpha_expand_unaligned_store): Likewise.
7186 (alpha_expand_unaligned_load_words): Likewise.
7187 (alpha_expand_unaligned_store_words): Likewise.
7189 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7191 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
7192 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
7194 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
7195 rsize of UNITS_PER_WORD.
7197 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
7199 * cpplex.c (ON_REST_ARG): Correct the test.
7200 (maybe_paste_with_next): Duplicate a token that fail pasting,
7201 and clear its PASTE_LEFT flag, so that nested pasting attempts
7204 2000-09-14 Richard Henderson <rth@cygnus.com>
7206 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
7207 * cse.c (rtx_cost): Likewise.
7208 * optabls.c (expand_binop): Likewise.
7209 (expand_twoval_binop, prepare_cmp_insn): Likewise.
7210 * regclass.c (copy_cost): Likewise.
7211 * reload1.c (reload_cse_move2add): Likewise.
7213 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
7215 * c-parse.in (reswords): Add _Complex.
7217 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7219 * gcc.1: Delete documentation for -undef preprocessor option.
7221 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
7223 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7224 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
7225 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7226 Remove undefine before config/elfos.h.
7227 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
7229 2000-09-14 Kazu Hirata <kazu@hxi.com>
7231 * invoke.texi (H8/300 Options): Add -ms2600.
7232 * config/h8300.c (h8300_init_once): Output an error when -ms2600
7233 is used without -ms.
7234 * config/h8300.h (TARGET_MAC): New.
7235 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
7236 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
7237 machine other than H8/S2600.
7238 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
7241 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
7243 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
7244 pseudos that refer to the original pseudos, not only to their
7245 equivalent memory locations.
7247 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7249 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
7250 when making new MEM.
7252 * Makefile.in (LN): Remove duplicate definition.
7254 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7256 From Joern Rennecke:
7257 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
7258 on an insn and function_invariant_p returns nonzero for the source,
7259 add a REG_EQUAL note.
7261 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
7263 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
7264 conflict with frame_pointer_rtx.
7266 2000-09-13 Kazu Hirata <kazu@hxi.com>
7268 * loop.c: Fix formatting.
7271 2000-09-13 Richard Henderson <rth@cygnus.com>
7273 * config/ia64/ia64.md (divsf3): New.
7274 (divsf3_internal_lat, divsf3_internal_thr): New.
7275 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
7276 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
7277 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
7278 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
7279 (nmadddf4_alts, nmadddf4_trunc): New.
7280 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
7281 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
7282 (multf3_truncsf_alts, multf3_truncdf_alts): New.
7283 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
7284 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
7285 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
7286 (nmaddtf4_truncdf_alts): New.
7287 (recip_approx): Don't predicate.
7289 2000-09-13 Richard Henderson <rth@cygnus.com>
7291 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
7293 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7295 * flags.h (flag_dump_rtl_in_asm): Declare.
7296 * toplev.c (flag_dump_rtl_in_asm): Define.
7297 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
7298 if -dP is specified.
7299 * rtl.h (print_rtx_head): Declare.
7300 * print-rtl.c (print_rtx_head): Define.
7301 (print_rtx): Print the string pointed to by print_rtx_head
7302 at beginning of each dump line.
7303 (print_rtl): Likewise.
7304 (print_rtl_single): Likewise.
7305 * final.c (final_scan_insn): Dump the insn in the assembly
7307 * gcc.1: Document -dP option.
7308 * invoke.texi (Debugging Options): Likewise.
7310 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7312 * md.texi (Machine Constraints): Document the 68HC11 constraints.
7313 * install.texi (Configurations): Document the 68HC11&68HC12 port.
7314 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
7316 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
7318 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
7319 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
7320 (*clrstrqi): Likewise.
7321 (xorhi3,xorsi3,absqi2): Likewise.
7322 (one_cmplhi2,one_cmplsi2): Likewise.
7323 (addsi3): Two stupid constraint alternatives removed.
7324 (extendhisi2): Use `movw' for enhanced avr cores.
7325 (zero_extendhisi2): Likewise.
7327 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
7329 * alias.c (find_base_term): Use frame_pointer_rtx
7330 when handling an ADDRESSOF.
7332 * cse.c (canon_hash): Handle USE of BLKmode memory.
7333 (cse_insn): Outgoing arguments for a libcall don't
7334 affect any recorded expressions.
7336 2000-09-12 Tom Tromey <tromey@cygnus.com>
7338 * configure, config.in: Rebuilt.
7339 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
7341 2000-09-12 Jakub Jelinek <jakub@redhat.com>
7343 * c-lex.c (lex_string): Use charwidth to compute bytemask.
7344 * expr.c (expand_expr): Don't optimize constant array references
7345 initialized with wide string constants.
7347 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7349 * loop.c (note_set_pseudo_multiple_uses): Correct.
7351 2000-09-12 Jim Wilson <wilson@cygnus.com>
7353 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
7354 else block, and X has side-effects, then fail.
7356 2000-09-12 Greg McGary <greg@mcgary.org>
7358 * config/mips/mips-protos.h
7359 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
7360 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
7361 (PREDICATE_CODES): Add "trap_cmp_op".
7362 * config/mips/mips.c
7363 (trap_cmp_op, mips_gen_conditional_trap): New functions.
7364 * config/mips/mips.md (trap, conditional_trap): New patterns.
7366 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7368 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
7371 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7373 * builtins.c (built_in_decls): New array.
7374 (expand_builtin_fputs): New function.
7375 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
7377 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
7379 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
7381 * tree.h (built_in_decls): New array.
7383 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
7385 * convex.md: Use "+" instead of "=" for outputs wrapped in a
7387 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
7389 2000-09-12 Kazu Hirata <kazu@hxi.com>
7391 * haifa-sched.c: Fix formatting.
7393 * genattrtab.c: Fix formatting.
7395 * unroll.c: Fix formatting.
7397 2000-09-12 Bruce Korb <bkorb@gnu.org>
7399 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
7400 remove obsolete code
7401 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
7402 * fixinc/fixincl.tpl: make non-exported arrays static scope
7403 * fixinc/fixincl.x: regenerate
7404 * fixinc/fixlib.h: Use PARAMS, not _P_
7405 * fixinc/fixtests.c: make a type for the test proc & use it
7406 * fixinc/server.h: Use PARAMS, not _P_
7408 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7410 * c-typeck.c (process_init_element): Avoid union init warnings on
7411 floating point zero. Don't crash on unions containing structs.
7413 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
7415 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
7416 general_movsrc_operand, and remove CONST_INT from
7417 general_movdst_operand.
7419 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7421 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
7422 if a reference to non-fixed hardreg is seen. Otherwise, count hard
7423 regs with a higher cost.
7424 (preferrable): Deal with cases where either cost or regcost is
7426 (cse_insn): Use MAX_COST rather than 10000. Always initialize
7428 (COSTS_N_INSNS): Move definition...
7430 (MAX_COST): New macro.
7431 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
7434 2000-09-11 Mark Mitchell <mark@codesourcery.com>
7436 * c-common.h (genrtl_clear_out_block): Remove.
7437 * c-semantics.c (genrtl_clear_out_block): Remove.
7438 (genrtl_while_stmt): Don't call it.
7439 (genrtl_for_stmt): Likewise.
7441 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7443 * cppfiles.c: Move all default-#defines to top of file.
7444 (open_include_file): Replace by lookup_include_file.
7445 (read_with_read, read_file): Merged into read_include_file.
7446 (stack_include_file, purge_cache): New functions.
7447 (close_cached_fd): Delete.
7448 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
7449 Cache the in-memory buffer, not the file descriptor.
7451 * cpphash.h (struct include_file): Add buffer, st, refcnt,
7453 (xcnew): New utility macro.
7454 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
7455 * cpplib.h (struct cpp_buffer): Remove mapped field.
7457 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7459 * cpplex.c (parse_string): Accept backslash space newline as a
7461 (lex_line): Likewise.
7462 (_cpp_get_token): Remove hard limit on macro nesting.
7464 2000-09-12 Philipp Thomas <pthomas@suse.de>
7466 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
7467 * configure: Rebuilt.
7469 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7471 * flow.c (split_block): Fix update of registers live at
7474 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7476 * i386.md (add?i_3, add?i_5): New.
7477 (add?i_4): Rename from add?i_3; Fix compare pattern.
7478 (sub?i_3, xor?i_3, ior?i_3): New.
7480 * genrecog.c (write_tree): Output code to clear insn_extract cache.
7481 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
7482 instead of extract_insn and extract_constrain_insn_cache instead of
7483 extract_insn and constrain_operands.
7484 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
7486 (extract_insn): Clear which_alternative.
7487 (constrain_operands): Set which_alternative to -1 when failed.
7488 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
7491 2000-09-11 Matthew Hiller <hiller@redhat.com>
7493 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
7494 on operand 0 to '+'.
7495 (movstricthi): Likewise.
7497 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7499 * loop.h (LOOP_IVS): New macro.
7500 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
7501 (struct loop_ivs): New.
7502 (struct loop_info): Add ivs field.
7503 (reg_iv_type, reg_iv_info): Delete prototype.
7504 (reg_biv_class, loop_iv_list): Likewise.
7505 * loop.c (record_biv, find_life_end): Pass loop argument.
7506 (reg_iv_type): Remove global array and use
7507 field in loop_regs structure within loop_ivs structure.
7508 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
7509 (first_increment_giv, last_increment_giv): Use entry in
7511 (record_initial): Pass ivs pointer.
7512 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
7514 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7516 * loop.h (LOOP_REGS): New macro.
7517 (struct loop_regs): New.
7518 (struct loop_info): Add regs field.
7519 * loop.c (set_in_loop): Remove global array and store
7520 in loop_regs structure as part of loop_info structure.
7521 (n_times_set, may_not_optimize): Likewise.
7522 (reg_single_usage, moved_once): Likewise.
7523 (count_one_set): Add regs argument.
7524 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
7525 (set_pseudo_multiple_uses): Pass regs pointer.
7527 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7529 * unroll.c (iteration_info): Subsume into loop_iterations.
7530 * loop.h (loop_info): New field iv.
7532 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7534 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
7535 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
7536 (flow_loops_update): New prototype.
7537 (flow_loops_find): Add flags to prototype.
7538 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
7539 * flow.c (flow_loop_pre_header_scan): New.
7540 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
7541 (flow_loop_free): Free pre-header root and trace and exit dominators.
7542 (flow_loops_find): New argument flags.
7543 (flow_loops_update): New function.
7544 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
7546 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7548 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
7549 * flow.c (split_block, update_bb_for_insn): New functions.
7551 2000-09-11 Richard Henderson <rth@cygnus.com>
7553 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
7555 2000-09-11 Richard Henderson <rth@cygnus.com>
7557 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
7558 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
7559 (ia64_override_options): Prevent optimizing division for both
7560 latency and throughput.
7561 (rtx_needs_barrier): Handle frcpa.
7562 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
7563 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
7564 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
7565 (TARGET_SWITCHES): Add -minline-divide-min-latency and
7566 -minline-divide-max-throughput.
7567 (PREDICATE_CODES): Update.
7568 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
7569 (zero_extendsidi2): Likewise. Fix typo in f case insn.
7570 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
7571 (extendsftf2): Likewise.
7572 (extenddftf2): Likewise.
7573 (fix_trunctfdi2_alts): New.
7574 (fixuns_trunctfdi2_alts): New.
7575 (madd*4): Rename from madd*3.
7576 (divsi3, modsi3, udivsi3, umodsi3): New.
7577 (divsi3_internal): New.
7578 (divdi3, moddi3, udivdi3, umoddi3): New.
7579 (divdi3_internal_lat, divdi3_internal_thr): New.
7580 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
7581 (recip_approx): New.
7583 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
7585 * print-rtl.c (debug_call_placeholder_verbose): New variable.
7586 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
7588 * integrate.c (copy_rtx_and_substitute): Don't share
7589 LEAF_REG_REMAPpable registers with the inlined function. Don't
7590 share the function value with calling sequences.
7592 2000-09-11 Jakub Jelinek <jakub@redhat.com>
7594 * c-decl.c (do_case): Fix a typo.
7596 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
7597 to a if the comparison is floating mode and not -ffast-math.
7598 * simplify-rtx.c (simplify_ternary_operation): Likewise.
7600 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7602 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
7603 gen_ic_invalidate_line.
7605 2000-09-11 Philip Blundell <pb@futuretv.com>
7607 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
7609 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
7611 * install.texi (LANGUAGES): Update to include new languages.
7614 2000-09-11 DJ Delorie <dj@redhat.com>
7616 * gcc.c (main): Don't warn about unused -B prefixes
7617 (unused_prefix_warnings): remove
7619 2000-09-11 Kazu Hirata <kazu@hxi.com>
7621 * final.c: Fix formatting.
7623 * integrate.c: Fix formatting.
7625 2000-09-11 Geoff Keating <geoffk@cygnus.com>
7627 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
7629 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
7631 * reload.c (regno_clobbered_p): Fix thinko in previous change.
7633 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7635 * gcc.1: Document 68hc11 specific options.
7637 2000-09-10 Geoff Keating <geoffk@cygnus.com>
7639 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
7640 (TARGET_LONG_DOUBLE_128): Define.
7641 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
7642 (LONG_DOUBLE_TYPE_SIZE): Redefine.
7643 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7644 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
7645 of __LONG_DOUBLE_128__.
7646 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
7648 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
7649 (CPP_SYSV_DEFAULT_SPEC): Define.
7650 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
7651 (INIT_TARGET_OPTABS): Define.
7653 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
7654 (RS6000_UITRUNC): Likewise.
7655 (INIT_TARGET_OPTABS): New macro.
7656 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
7657 (trunc_defined): Delete.
7658 (output_prolog): Don't output .extern definitions for fp->int
7659 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
7660 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
7661 (trunc_defined): Delete.
7662 (RS6000_ITRUNC): Moved to aix.h.
7663 (RS6000_UITRUNC): Likewise.
7664 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
7665 only emit a libcall.
7666 (fixuns_truncdfsi2): Delete.
7667 (trunc_call): Delete.
7668 (trunc_call_rtl): Delete.
7670 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7672 * varasm.c (make_decl_rtl): Restore leading star on
7673 DECL_ASSEMBLER_NAME set for decls with an asmspec.
7675 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7677 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
7678 won't give a spurious error for '#pragma pack()'. Simplify
7679 control flow for readability. 'reset' action is not necessary.
7681 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7683 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
7684 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
7685 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
7686 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
7688 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
7689 profile.c, sdbout.c, tradcif.y, tree.c:
7690 Include defaults.h if not already included.
7691 Don't define the above macros.
7693 * Makefile.in: Update dependencies.
7695 2000-09-10 Mark Mitchell <mark@codesourcery.com>
7697 * c-common.h (add_stmt): Change prototype.
7698 (RECHAIN_STMTS): New macro.
7699 (CASE_LABEL_DECL): Likewise.
7700 (genrtl_case_label): Change prototype.
7701 (c_expand_start_case): Remove prototype.
7702 (build_case_label): Change prototype.
7703 (decl_constant_value): Declare.
7704 * c-common.c (check_case_value): Handle C++'s extensions to C
7706 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
7708 * c-parse.in (stmt): Adjust handling of return statements and case
7710 * c-semantics.c (add_stmt): Return the new statement.
7711 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
7712 returned expression. Directly generate RTL, rather than calling
7714 (genrtl_switch_stmt): Don't call c_expand_start_case.
7715 (build_case_label): Take the LABEL_DECL as input, too.
7716 (genrtl_case_label): Just call add_case_node.
7717 (expand_stmt): Adjust calls to genrtl_return_stmt and
7719 * c-tree.h (c_expand_start_case): Declare.
7720 * c-typeck.c (decl_constant_value): Give it external linkage.
7721 (c_expand_return): Don't call expand_return or expand_null_return;
7722 use genrtl_return_stmt instead.
7723 * stmt.c (struct nesting): Remove num_ranges field.
7724 (add_case_node): Give it external linkage.
7725 (expand_start_case): Don't set num_ranges.
7726 (expand_start_case_dummy): Don't clear it.
7727 (pushcase): Rely on add_case_node to handle `default' labels.
7728 (add_case_node): Handle `default' labels.
7729 * tree.c (tree_int_cst_compare): New function.
7730 * tree.h (tree_int_cst_compare): Declare.
7731 (add_case_node): Likewise.
7733 2000-09-10 Richard Henderson <rth@cygnus.com>
7735 * c-parse.in: Revert last change.
7736 (init_reswords): Do not enter disabled keywords into the ridpointers
7737 table, modulo objc weirdness.
7738 (_yylex): Return the canonical spelling for a keyword.
7740 2000-09-10 Philip Blundell <philb@gnu.org>
7742 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
7743 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
7745 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
7747 * alias.c (find_base_term): Handle ADDRESSOF.
7748 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
7750 2000-09-10 Denis Chertykov <denisc@overta.ru>
7752 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
7753 outputting templates with many lines.
7755 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7757 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
7758 to decide whether 64-bit support must be generated.
7760 2000-09-10 Richard Henderson <rth@cygnus.com>
7762 * c-parse.in (asm patterns): Fix volatile check.
7764 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7766 * cppmacro.c (check_trad_stringification): New function.
7767 (save_expansion): If -Wtraditional, warn about stringification of
7770 2000-09-11 Michael Hayes <mhayes@cygnus.com>
7772 * loop.h (struct loop_mem_info): Move from loop.c
7773 (struct loop_info): Add fields store_mems, mems, mems_idx,
7774 mems_allocated, unknown_address_altered,
7775 unknown_constant_address_altered, num_mem_sets, and
7776 first_loop_store_insn.
7778 * loop.c (loop_store_mems): Replace with field in loop_info struct.
7779 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
7780 (unknown_address_altered, unknown_constant_address_altered): Likewise.
7781 (num_mem_sets): Likewise.
7782 (replace_loop_mems, replace_loop_regs): New.
7783 (struct loop_replace_args): New.
7784 (load_mems): Use replace_loop_mems.
7785 (try_copy_prop): Use replace_loop_regs.
7786 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
7788 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7790 * configure.in: Recognize m6811-elf and m6812-elf.
7791 * configure: Regenerate.
7793 2000-09-09 Geoff Keating <geoffk@cygnus.com>
7795 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
7798 2000-09-10 Michael Hayes <mhayes@cygnus.com>
7800 * loop.c (struct movables): New.
7801 (num_movables): Move into struct movables.
7802 (the_movables): Change type to struct movables.
7803 (ignore_some_movables): Change struct movable arg to struct movables.
7804 (force_movables, combine_movables, regs_match_p): Likewise.
7805 (rtx_equal_for_loop_p, move_movables): Likewise.
7806 (scan_loop): Change movables to be of type struct movables.
7807 Replace last_movable with field in movables structure.
7809 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
7811 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
7812 (init_pragma): Avoid warning if pfile happens to be unused.
7813 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
7814 define init_pragma to nothing. Always prototype
7815 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
7817 * c-lex.c (process_directive): Always call dispatch_pragma.
7818 Initialize entering_c_header to 0.
7820 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7822 * config/m68hc11/m68hc11.md: New file, machine description for
7824 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
7825 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
7826 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
7827 * config/m68hc11/m68hc11-protos.h: New file.
7828 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
7829 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
7830 * config/m68hc11/xm-m68hc11.h: New file, target defs.
7831 * config/m68hc11/larith.asm: New file, libgcc routines.
7833 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7835 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
7836 (FPBIT_FUNCS): Add _usi_to_sf.
7837 * config/fp-bit.c (usi_to_float): New function.
7838 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
7839 (usi_to_float): Add appropriate #define.
7841 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7843 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
7845 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
7846 * i386.md (attr "type"): Add sse and mmx types.
7847 (attr "memory"): Handle them without a crash.
7848 (movsi_1, movdi_2): Allow MMX regs.
7849 (movdi splits): Don't split moves involving MMX regs.
7850 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
7851 (movv4sf_internal, movv4si_internal, movv8qi_internal,
7852 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
7853 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
7854 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
7855 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
7856 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
7857 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
7858 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
7859 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
7860 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
7861 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7862 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7863 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
7864 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
7865 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7866 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7867 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
7868 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
7869 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
7870 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
7871 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
7872 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7873 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7874 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
7875 mmx_clrdi): New patterns.
7877 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
7879 * arm.c: Don't include tm.h directly.
7881 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
7883 * recog.c (validate_replace_rtx_1): Fix confusion about equality
7884 testing; simplify subregs of constants and nested subregs.
7886 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
7888 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
7890 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7892 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
7894 * rtl.texi (description of USE): Add note about possible pitfalls
7896 From Richard Henderson:
7897 * reload1.c (choose_reload_regs): Compute need_mode properly.
7899 2000-09-07 Richard Henderson <rth@cygnus.com>
7901 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
7902 (__modsi3, __umodsi3): Likewise.
7903 (__udivsi3): Likewise. Normalize the TFmode values.
7905 2000-09-07 Geoff Keating <geoffk@cygnus.com>
7907 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
7909 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
7912 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7914 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
7915 (cmpeqdi_t): Add output pattern.
7916 (cmpeqdi_t+1): Don't split when not optimizing.
7917 Restore proper splitting operation.
7919 2000-09-07 Richard Henderson <rth@cygnus.com>
7921 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
7922 do not call dispatch_pragma.
7924 2000-09-07 Jim Wilson <wilson@cygnus.com>
7926 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
7927 to CLASS_CANNOT_CHANGE_MODE.
7928 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
7929 mode classes are different.
7931 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7933 * cpplib.h (struct cpp_options): Add user_label_prefix member,
7934 left out of commit which removed cppulp.c.
7936 2000-09-07 Richard Henderson <rth@cygnus.com>
7938 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
7939 after switch for CASE_DROPS_THROUGH.
7941 2000-09-07 Richard Henderson <rth@cygnus.com>
7943 * loop.c (strength_reduce): Call check_ext_dependant_givs.
7944 Properly extend the biv initial value for the giv.
7945 (record_biv): Zero ext_dependant.
7946 (record_giv): New argument ext_val. Update all callers.
7947 (general_induction_var): Likewise.
7948 (consec_sets_giv): Likewise.
7949 (simplify_giv_expr): Likewise. Fill in ext_val if we find
7950 a sign-extend, zero-extend, or truncate.
7951 (combine_givs_p): Make sure modes are compatible.
7952 (check_ext_dependant_givs): New.
7953 (extend_value_for_giv): New.
7954 * loop.h (struct induction): Add ext_dependant.
7955 * unroll.c (iteration_info): Extend the biv initial value for the giv.
7956 (find_splittable_givs): Likewise.
7957 (final_giv_value): Likewise.
7959 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7961 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
7962 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
7963 definitions from cpplib.h.
7964 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
7966 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
7967 documentation for REGISTER_TARGET_PRAGMAS.
7969 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
7970 default-pragma callback to implement -Wunknown-pragmas if
7972 * c-parse.in: Move all includes to top of file.
7973 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
7975 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
7977 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
7979 * arm.h, arm-protos.h, arm.c,
7980 c4x.h, c4x-protos.h, c4x.c,
7981 h8300.h, h8300-protos.h, h8300.c,
7982 i370.h, i370-protos.h, i370.c,
7983 i960.h, i960-protos.h, i960.c,
7984 sh.h, sh-protos.h, sh.c,
7985 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
7986 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
7988 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
7989 multiple include guard.
7990 * i370.md (untyped_call): Use GEN_CALL.
7991 (umodsi3): Remove unused variable.
7992 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
7993 * v850.c (output_move_single, output_move_double): Constify
7995 (print_operand): Constify a char *.
7996 * v850.h (struct small_memory_info): Constify name member.
7998 2000-09-07 Kazu Hirata <kazu@hxi.com>
8000 * config/h8300.h: Fix comment typos.
8001 * config/h8300/h8300.md: Likewise.
8002 * config/h8300/lib1funcs.asm: Likewise.
8004 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
8006 * Makefile.in: Remove references to cppulp.{c,o}.
8007 * cppinit.c (initialize_builtins, cpp_start_read,
8008 cpp_handle_option): Update to use cpp_options structure.
8011 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
8013 * c-common.c (time_char_table): Allow %#b and %#h.
8015 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8017 * reorg.c (find_end_label): If the basic block reorder pass moves the
8018 return insn to some other place try to locate it again and put our
8019 end_of_function_label there.
8020 * reorg.c (relax_delay_slots): Check if find_end_label created a
8021 new label that invalidates the current optimazation.
8023 2000-09-07 Catherine Moore <clm@redhat.com>
8025 * unroll.c (unroll_loop): Check for unconditional jumps
8026 to loop continuation. Delete if n_iterations is 1.
8027 (ujump_to_loop_cont): New routine.
8029 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
8031 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
8033 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
8034 to handle multiword modes correctly. All callers and the declaration
8037 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8039 * c-common.h (prep_stmt): Declare.
8040 (lang_expand_stmt): Likewise.
8041 * c-decl.c (lang_expand_stmt): Remove.
8042 * c-semantics.c (lang_expand_stmt): Define.
8043 (prep_stmt): New function.
8044 (expand_stmt): Handle common statement types here.
8046 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
8048 * configure.in (sh-*-linux*): Added.
8049 * configure: Rebuilt.
8050 * config/sh/t-linux: New file.
8051 * config/sh/sh.h (USERMODE_BIT): Define.
8052 (TARGET_USERMODE): Likewise.
8053 (TARGET_SWITCHES): New switches for the bits above.
8054 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
8055 * config/sh/linux.h: New file.
8056 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
8057 underscore on linux.
8058 (L_sdivsi3, L_udivsi3): Define for linux.
8059 (L_ic_invalidate): Define.
8060 * invoke.texi (SH Options): Document -musermode.
8062 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
8064 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
8065 CSE unless generating PIC.
8067 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
8070 2000-09-06 H.J. Lu (hjl@gnu.org)
8072 * Makefile.in (clean_s1): Depend on stage_b.
8073 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
8074 stage2. They are used for "make compare".
8076 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8078 Move statement-tree facilities from C++ to C front-end.
8079 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
8080 (void_zero_node): New macro.
8081 (struct stmt_tree_s): New type.
8082 (stmt_tree): New typedef.
8083 (struct language_function): New type.
8084 (last_tree): New macro.
8085 (last_expr_type): Likewise.
8086 (walk_tree_fn): New typedef.
8087 (current_stmt_tree): New function.
8088 (begin_stmt_tree): Likewise.
8089 (add_stmt): Likewise.
8090 (finish_stmt_tree): Likewise.
8091 (statement_code_p): Likewise.
8092 (lang_statement_code_p): New variable.
8093 (walk_stmt_tree): New function.
8094 (STMT_IS_FULL_EXPR_P): New macro.
8095 * c-common.c (lang_statement_code_p): New variable.
8096 (c_common_nodes_and_builtins): Initialize void_zero_node.
8097 (statement_code_p): New function.
8098 (walk_stmt_tree): Likewise.
8099 * c-decl.c (language_function): Rename to ...
8100 (c_language_function): ... this. Include language_function.
8101 (push_c_function_context): Adjust accordingly.
8102 (pop_c_function_context): Likewise.
8103 (mark_c_function_context): Likewise.
8104 (current_stmt_tree): Define.
8105 * c-semantics.c (begin_stmt_tree): New function.
8106 (add_stmt): Likewise.
8107 (prune_unused_decls): Likewise.
8108 (finish_stmt_tree): Likewise.
8110 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8112 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
8114 2000-09-06 Kazu Hirata <kazu@hxi.com>
8116 * calls.c: Fix formatting.
8118 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
8120 * config/i386/i386.h (ADDRESS_COST): Fix typo.
8122 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8124 Integrated preprocessor.
8126 * Makefile.in: Remove all references to c-parse.gperf,
8127 c-gperf.h, and c-parse.h. Remove -d from yacc command line
8128 generating c-parse.c. Update dependencies.
8129 * c-parse.gperf, c-gperf.h: Delete.
8131 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
8132 yy_lim, or yy_get_token. Don't define get_directive_line if
8134 * c-common.h: Add multiple include guard. Define RID values
8135 for every keyword in C, C++, and Objective C. Put all the
8137 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
8138 * c-decl.c (c_decode_option): Handle -lang-objc here.
8139 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
8140 (grokdeclarator): Adjust for new RID scheme.
8141 (extract_interface_info): New stub.
8142 * c-lang.c: Don't declare yy_cur or parse_options.
8143 (lang_init_options): Call cpp_init. Don't call
8145 (lang_init): Don't call check_newline if USE_CPPLIB.
8147 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
8148 Elide lots of unnecessary code if USE_CPPLIB. Delete code
8149 rendered unnecessary by new architecture. Move routines not
8150 shared with C++ to c-parse.in. Maintain a local idea of the
8151 line number. Handle C++ as well as C.
8152 [USE_CPPLIB]: Declare and register callbacks for #ident and
8153 for entering/leaving files.
8154 (init_c_lex, c_lex): Are now the entry points to this file.
8155 (check_newline): Break out directive handling to
8157 (read_ucs, is_extended_char, utf8_extend_token): Moved here
8159 (readescape, parse_float): Overhaul.
8160 (lex_number, lex_string, lex_charconst): Break out of c_lex
8162 (get_fileinfo, update_header_times, dump_one_header,
8163 dump_time_statistics): New and/or moved here from C++.
8164 Support per-file data needed by C++ and per-header timing
8165 statistics (C++ only, at the moment).
8166 * c-lex.h: Update prototypes. Add multiple include guard.
8167 * c-tree.h (struct lang_identifier): Add rid_code field.
8168 (C_IS_RESERVED_WORD, C_RID_CODE): New.
8170 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
8171 reinit_parse_for_function and/or position_after_white_space.
8172 (save_filename, save_lineno): Look ahead before saving.
8173 (label -> identifier ':'): Save file and line before shifting ':'.
8174 (reservedwords): No need to call get_identifier.
8175 (init_parse, finish_parse, yyerror, yylex, yyprint,
8176 make_pointer_declarator): Are now here for C/ObjC.
8177 (rid_to_yy): Conversion table from RID constants to Yacc codes.
8179 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
8180 #pragma registry. Provide dummy implementation of that
8181 interface if !USE_CPPLIB.
8182 * c-pragma.h: Update to match.
8184 * flags.h: Add multiple include guard.
8185 (flag_detailed_statistics): Moved here from C++.
8186 * toplev.c: Define flag_detailed_statistics.
8188 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
8190 * timevar.def (TV_CPP, TV_LEX): New.
8191 * timevar.h: Add multiple include guard.
8193 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
8195 * objc/objc-act.c: Don't mention yy_cur or parse_options.
8196 Initialize cpplib properly. Force lineno to 0 after first
8197 call to check_newline. Don't handle -lang-objc here.
8198 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
8200 2000-09-06 David Edelsohn <edelsohn@gnu.org>
8202 * rs6000.md: Correct function unit definitions for cr_logical and
8204 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
8205 and use portable method for >=0 and floating point >=. Remove
8206 associated matchers.
8208 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8210 * extend.texi: Mark named return value extension as deprecated.
8212 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8214 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
8217 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
8219 * toplev.c (display_help): Fix thinko in documentation.
8221 * diagnostic.h (output_buffer::indent_skip): New fields.
8222 (output_indentation): New macro.
8224 * diagnostic.c (output_indent): New function.
8225 (output_set_prefix, clear_diagnostic_info): Use.
8226 (output_emit_prefix): Predict future indentation.
8228 2000-09-06 DJ Delorie <dj@redhat.com>
8230 * Makefile.in (stage_*): add more dependencies to ensure parallel
8231 builds build correctly
8233 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
8235 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
8236 not bootstrap-lean_f.
8238 2000-09-06 Andreas Schwab <schwab@suse.de>
8240 * mklibgcc.in: Emit rule for libgcc-stage-start.
8241 * Makefile.in (stage1-start, stage2-start, stage3-start,
8242 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
8244 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
8246 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
8247 (update_equiv_regs): Likewise, except for the mn10200 kludge.
8248 (combine_regs): Likewise.
8250 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
8251 * cse.c: Include "basic-block.h".
8252 (struct table_elt): New field REGCOST.
8253 (CHEAP_REG): Delete macro.
8254 (COST): Return 0 for REGs.
8255 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
8256 (notreg_cost): Return 0 for appropriate SUBREGs.
8257 (COSTS_N_INSNS): Return N * 2.
8258 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
8260 (CHEAPER): Use new function preferrable.
8261 (insert): Initialize REGCOST member.
8262 (find_best_addr): Use approx_reg_cost for estimation of register
8264 (cse_insn): Likewise.
8265 * loop.c (iv_add_mult_cost): New function.
8266 (add_cost, shift_cost, mult_cost): Delete variables.
8267 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
8268 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
8269 Make code that detects autoinc opportunities slightly less optimistic.
8270 (simplify_giv_expr): If expression contains other reg that is also a
8271 giv, only increment benefit if this is the only use of that reg.
8272 (consec_sets_giv): Take that change into account.
8273 (combine_givs): Slightly more verbose output.
8275 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
8276 not the cost of an equivalent shift.
8277 * sh-protos.h (addsubcosts): Declare.
8278 * sh.c (addsubcosts): New function.
8279 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
8280 (RTX_COSTS): Tweak. Use addsubcosts.
8281 (ADDRESS_COST): Return higher cost for reg+reg addressing.
8283 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8285 * config/rs6000/rs6000.c (validate_condition_mode): New function.
8286 (branch_comparison_operator): Call validate_condition_mode to
8287 abort rather than returning 0.
8288 (branch_positive_comparison_operator): New function.
8289 (scc_comparison_operator): Call validate_condition_mode to abort
8290 rather than returning 0.
8291 (ccr_bit): Call validate_condition_mode. Update for
8293 (print_operand): Delete %C modifier. Update %E case
8294 to use EQ bit not SO bit.
8295 (rs6000_reverse_condition): New function.
8296 (rs6000_generate_compare): New function.
8297 (rs6000_emit_sCOND): New function.
8298 (rs6000_emit_cbranch): New function.
8299 (output_cbranch): The length of a long branch insn is
8300 now only 8 bytes. Add validate_condition_mode. Use
8301 rs6000_reverse_condition. Remove cror generation.
8303 * config/rs6000/rs6000.h: Update comments.
8304 (PREDICATE_CODES): Add new predicate. Update codes used
8305 by branch_comparison_operator and scc_comparison_operator.
8306 * config/rs6000/rs6000-protos.h: Add prototypes for
8307 new external functions.
8308 * config/rs6000/rs6000.md: Add new scheduling parameters
8309 for cr_logical instructions. Change length of branch
8311 (bCOND patterns): Call rs6000_emit_cbranch.
8312 (sCOND patterns): Call rs6000_emit_sCOND.
8313 (branch patterns): Change lengths to 4.
8314 (cr logical patterns): New.
8316 2000-09-06 Richard Henderson <rth@cygnus.com>
8318 * config/i386/i386.md (call_pop): Fix test for setting
8319 current_function_uses_pic_offset_table.
8320 (call, call_value_pop, call_value): Likewise.
8322 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8324 * timevar.c (timevar_add): Delete.
8325 (timevar_get): Also count time since the selected timer was
8326 last updated. Do not examine the timevar stack if the
8327 selected timer is standalone.
8329 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8331 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
8333 2000-09-05 Jason Merrill <jason@redhat.com>
8335 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
8336 for 'extern' arrays.
8338 2000-09-05 Richard Henderson <rth@cygnus.com>
8340 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
8341 Eliminate final copy from non-trapping case.
8342 (__divdf3, __divsf3): Likewise.
8344 2000-09-05 Richard Henderson <rth@cygnus.com>
8346 * config/ia64/ia64.md (mulhi3): Fix typo last change.
8347 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
8349 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
8351 * Makefile.in: Restructure bootstrap stages to allow clean
8352 restart after failure.
8354 2000-09-05 Richard Henderson <rth@cygnus.com>
8356 * config/ia64.md (movsi and movdi patterns): Allow moves from
8357 8-bit constants to AR registers.
8359 2000-09-05 Richard Henderson <rth@cygnus.com>
8361 * config/ia64/ia64.md (mulhi3): New.
8363 2000-09-05 Richard Henderson <rth@cygnus.com>
8365 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
8366 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
8367 Optimization Guide, minimum latency alternative.
8368 (__moddi3, __udivdi3, __umoddi3): Likewise.
8369 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
8371 2000-09-05 Bruce Korb <bkorb@gnu.org>
8373 * fixinc/fixincl.c (load_file): always read header files
8374 with sizes that are a multiple of the page size.
8375 & use libiberty's getpagesize for determining that.
8377 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
8379 * gcse.c (hash_string_1): Add prototype.
8380 * cse.c (canon_hash_string): Likewise.
8382 2000-09-04 Craig Newell <CraigN@ieee.org>
8384 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
8386 2000-09-04 Andreas Schwab <schwab@suse.de>
8388 * Makefile.in (STAGESTUFF): Remove libgcc.
8389 (stage1-start, stage2-start, stage3-start): Copy the contents of
8390 the libgcc directory explicitly.
8391 (mostlyclean): Clean libgcc.
8393 2000-09-04 Andrew Haley <aph@redhat.com>
8395 * dwarf2out.c: (stack_adjust_offset): New prototype.
8397 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
8399 * combine.c (make_extraction): Fix rtx_cost comparison to
8402 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
8404 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
8405 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
8406 Add '*' to insn pattern name.
8408 2000-09-04 Jakub Jelinek <jakub@redhat.com>
8410 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
8411 use posn - 1 to index into tokens array.
8412 (maybe_paste_with_next): Adjust caller.
8414 2000-09-03 Geoff Keating <geoffk@cygnus.com>
8416 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
8418 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
8419 (REGNO_REG_CLASS): Use symbolic register
8422 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
8424 * arm.c (final_prescan_insn): If the form of a jump insn isn't
8425 recognized, don't try to conditionally execute it.
8427 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
8429 * config/avr/avr.md ("*tablejump_lib"): New pattern.
8430 (call_value_insn): Right length claculation.
8431 (call_insn): Likewise.
8433 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
8435 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
8436 gas_output_limited_string, gas_output_ascii, output_movqi,
8437 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
8438 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
8439 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
8440 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
8441 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
8442 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
8443 Add "const" as needed to remove warnings.
8445 * config/avr/avr.c (avr_override_options, avr_init_once,
8446 function_prologue, function_epilogue, frame_pointer_required_p,
8447 class_likely_spilled_p, order_regs_for_local_alloc,
8448 avr_address_cost, avr_ret_register): Use K&R style arguments.
8449 (initial_elimination_offset, gas_output_limited_string):
8450 Remove ATTRIBUTE_UNUSED from the used arguments.
8451 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
8452 Use local variables src, dest, base to access operands[].
8453 Rename reg_dest to reg_src if that's what it is.
8454 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
8455 constants to LD_REGS if reg_was_0.
8456 (output_reload_insisf): Change arg 3 to insn length and set it.
8457 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
8458 access to 16-bit I/O register pairs.
8459 (avr_address_cost): Lower cost for the above case.
8460 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
8461 may be clobbered, also for LD_REGS.
8462 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
8465 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
8467 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
8468 macro to test_hard_reg_class function.
8469 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
8470 for loading immediate constants to LD_REGS.
8471 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
8474 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
8476 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
8477 * config/avr/libgcc.S: Lost part of the previous patch.
8479 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8481 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
8482 object before calling pthread_mutex_init.
8484 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
8486 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
8487 config/sh/crtn.asm: New files.
8488 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
8489 (crt1.o, crti.o, crtn.o): New targets.
8490 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
8492 * configure: Rebuilt.
8493 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8494 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
8495 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8496 Undefine for config/elfos.h to redefine.
8497 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
8499 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8501 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
8502 legitimize_pic_address, output_pic_addr_const): Declare.
8503 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
8504 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
8505 (TARGET_SWITCHES): New switch -mprefergot.
8506 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
8507 (PIC_OFFSET_TABLE_REGNUM): Define.
8508 (GOT_SYMBOL_TABLE): Likewise.
8509 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
8510 (ENCODE_SECTION_INFO): Define.
8511 (FINALIZE_PIC): New macros.
8512 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
8513 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
8514 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
8515 (prepare_move_operands): Call emit_pic_move or
8516 emit_pic_const_move if appropriate.
8517 (output_far_jump): For PIC, use braf and output long offset.
8518 (machine_dependent_reorg):
8519 (sh_expand_prologue): Save and initialize the PIC register.
8520 (sh_expand_epilogue): Restore it.
8521 (initial_elimination_offset): Account for it.
8522 (nonpic_symbol_mentioned_p): New function.
8523 (legitimize_pic_address): Likewise.
8524 (output_pic_addr_const): Likewise.
8525 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
8526 (call, call_value): Use them.
8527 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
8528 symPLT_label2reg): New expands.
8529 * invoke.texi (SH Options): Document -mprefergot.
8531 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
8533 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
8534 * gcse.c (hash_string_1): New function.
8535 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
8536 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
8537 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
8538 (canon_hash_string): New function.
8539 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
8540 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
8541 (fold_rtx): Use ASM_OPERANDS accessor macros.
8542 * emit-rtl.c (copy_insn_1): Likewise.
8543 * integrate.c (copy_rtx_and_substitute): Likewise.
8544 * stmt.c (expand_asm_operands): Likewise. Give an
8545 ASM_OPERANDS rtx the mode of the output reg being set from it.
8547 2000-09-01 Fred Fish <fnf@be.com>
8549 * fix-header.c (write_rbrac): Add putc and getc to list of
8550 functions to protect against prior definition as a macro.
8552 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
8554 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
8555 (c_size_type_node): Define.
8556 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
8557 * c-common.c (enum format_lengths, enum format_std_version,
8558 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
8559 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
8560 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
8561 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
8562 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
8563 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
8564 format_types): Define.
8565 (format_char_info, print_char_table, scan_char_table,
8566 time_char_table): Rearrange for new organization of information
8567 about format length modifiers and standard versions.
8568 (T_ST): Redefine to use c_size_type_node.
8569 (check_format_info): Obtain information about length modifiers and
8570 standard versions from tables. Adjust warning message wordings.
8571 Use the name from the user's program for `ll' and `hh' length
8572 modifiers in warning messages. Use more informative names for
8573 wanted types where available (for wchar_t, wint_t, size_t, signed
8574 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
8576 2000-09-01 Jim Wilson <wilson@cygnus.com>
8578 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
8579 * combine.c (distribute_notes): Handle REG_NORETURN.
8580 * rtl.c (reg_note_name): Add REG_NORETURN.
8581 * rtl.h (enum reg_note): Likewise.
8583 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
8585 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
8586 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
8587 (emit_predicate_relation_info): Handle conditional calls with
8589 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
8590 instead of ia64_file_start.
8591 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
8592 * config/ia64/ia64.md (safe_across_calls_all,
8593 save_across_calls_normal): New patterns.
8595 * loop.c (check_final_value): Check for biv use before checking for
8596 giv use. Check for both biv and giv uses. Always set last_giv_use
8597 if there is a giv use.
8599 2000-09-01 Richard Henderson <rth@cygnus.com>
8601 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
8602 (madddi3): Likewise.
8605 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8607 * expr.c (clear_storage): Don't use emit_move_insn unless
8608 either BLKmode or proper size.
8609 (store_constructor): Don't call clear_storage if REG of wrong size.
8611 * flow.c (init_propagate_block_info): Don't mark frame dead at end
8612 of function if returns wiht stack pointer depressed.
8614 2000-09-01 Andrew Haley <aph@redhat.com>
8616 * dwarf2out.c (stack_adjust_offset): New function.
8617 (dwarf2out_stack_adjust): Break out stack adjust logic into
8618 new stack_adjust_offset function. Look inside parallels and
8619 sequences for stack adjustments.
8621 2000-08-31 Jeff Law <law@cygnus.com>
8623 * arm.md: Use no_new_pseudos to determine when it is safe
8624 to create new pseudo registers.
8626 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
8627 when we can safely allocate new registers.
8629 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
8631 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
8632 so that CONCATs are not generated for ASMs.
8633 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
8634 not generating_concat_p.
8635 * function.c (pop_function_context_from): Reset
8636 generating_concat_p.
8637 (prepare_function_start): Likewise.
8638 * rtl.c (generating_concat_p): Define.
8639 * rtl.h (generating_concat_p): Declare.
8640 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
8642 2000-08-22 Philipp Thomas <pthomas@suse.de>
8643 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
8645 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
8648 2000-08-30 Greg McGary <greg@mcgary.org>
8650 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
8651 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
8652 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
8654 2000-08-30 Greg McGary <greg@mcgary.org>
8656 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
8657 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
8658 (TREE_INT_CST): New macro.
8659 * varasm.c (const_hash, compare_constant_1, record_constant_1):
8660 Use new macro TREE_INT_CST.
8662 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
8664 * contrib.texi: Add self.
8666 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
8668 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
8669 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
8672 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8674 * fixinc/gnu-regex.c: Don't define `const'.
8676 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8678 * expr.c (store_constructor): Allow variable bounds of array type.
8679 (expand_expr): Don't blow up if type is ERROR_MARK.
8680 * varasm.c (output_constructor): Don't access lower bound of array
8681 type unless need it if index is supplied (so it can be a variable
8682 if no index is supplied).
8683 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
8684 Other minor cleanups.
8686 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8688 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
8689 for compilations in stage 1 and subsequent stages, respectively.
8690 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
8691 * configure: Rebuilt.
8692 * x-vax, x-vax-gcc: Deleted.
8694 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8696 * c-common.c (declare_function_name): Use func_id_node,
8697 function_id_node, and pretty_function_id_node. Do not make
8698 __func__ visible at file scope.
8699 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
8700 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
8701 (function_id_node, pretty_function_id_node, func_id_node): New
8703 * c-decl.c (init_decl_processing): Initialize function_id_node,
8704 pretty_function_id_node, and func_id_node.
8705 (c_make_fname_decl): Correct comment.
8707 * tree.h (struct tree_identifier): Constify pointer member.
8709 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
8710 * c-pragma.h (struct weak_syms): Constify name and value members.
8711 (add_weak): Constify arguments.
8713 * calls.c (special_function_p): Constify a char *.
8714 (expand_call): Remove variable which is initialized and then
8716 * dependence.c (struct def_use, struct induction, struct subscript):
8717 Constify 'variable' member.
8718 (get_low_bound, have_induction_variable): Constify char * argument.
8719 (find_induction_variable): Add braces to avoid dangling else.
8720 (classify_dependence): Constify char * arrays.
8721 * profile.c (output_func_start_profiler): Constify a char *.
8722 * stor-layout.c (finalize_record_size): Constify a char *.
8723 * tree.c (is_attribute_p): Constify a char *.
8724 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
8726 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
8727 for comprehensibility. Do not call get_identifier if we did
8728 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
8729 create temporary string constants, not ggc_alloc_string. No
8730 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
8731 char * to hold IDENTIFIER_POINTERs.
8733 2000-08-29 Richard Henderson <rth@cygnus.com>
8735 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
8738 2000-08-29 Richard Henderson <rth@cygnus.com>
8740 * reload.c (push_secondary_reload): Allow class == reload_class
8741 if we're using a reload_in/out pattern.
8743 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
8744 the half that does not conflict with the reload register.
8745 (reload_outti): Likewise.
8747 2000-08-29 Kazu Hirata <kazu@hxi.com>
8749 * reload.c: Fix formatting.
8751 * stmt.c: Fix formatting.
8753 * gcc.c: Fix formatting.
8755 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8757 * flags.h (time_report, mem_report): New global flags.
8758 * toplev.c: Define time_report and mem_report.
8759 (f_options): Add -ftime-report and -fmem-report.
8760 (compile_file): Turn on time_report if quiet_flag is off.
8761 Call ggc_print_statistics at very end if mem_report is on.
8762 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
8764 * ggc-common.c (ggc_print_statistics): Rename to
8765 ggc_print_common_statistics; all callers changed. Scale
8766 quantities above 10K to kilobytes and above 10M to megabytes.
8767 * ggc-page.c (ggc_page_print_statistics): Rename to
8768 ggc_print_statistics. Report memory consumed by internal data
8769 structures for each allocation bucket. Scale quantities above
8770 10K to kilobytes and above 10M to megabytes.
8771 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
8772 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
8773 Define tally_leaves always.
8774 (ggc_print_statistics): New function.
8775 * ggc.h: Adjust for renamed functions.
8777 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
8779 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
8780 output_movsisf instead of which_alternative.
8782 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
8784 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
8786 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
8787 (avr_progmem_p): New prototype.
8788 (output_movsisf): Prototype declaration changed.
8789 (output_movqi): New prototype.
8790 (output_movhi): New prototype.
8791 (call_insn_operand): Likewise.
8792 (final_prescan_insn): Likewise.
8793 (avr_simplify_comparision_p): Likewise.
8794 (avr_normalize_condition): Likewise.
8795 (compare_eq_p): Likewise.
8796 (out_shift_with_cnt): Likewise.
8797 (const_int_pow2_p): Likewise.
8798 (output_reload_inhi): Prototype declaration changed.
8800 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
8801 (ldi_reg_rtx): New. rtx for r31.
8802 (avr_init_stack): Initialize as "__stack".
8803 (function_prologue): Use it.
8804 Replace all TARGET_ENHANCED with AVR_ENHANCED.
8805 (avr_mcu_name): Initialize as "avr2".
8806 (avr_enhanced_p, avr_mega_p): New variables.
8807 (mcu_types, avr_override_options): Handle all known MCU types.
8808 Also handle avr1 (only preprocess, assemble and link).
8809 (print_operand): Using of `%K' in output template removed.
8810 (out_movqi_r_mr): Optimized.
8811 (out_movhi_r_mr): Likewise.
8812 (output_movqi): New function.
8813 (output_movhi): Likewise.
8814 (out_movsi_r_mr): Optimized.
8815 (output_movsisf): Compute insn length for `adjust_insn_length'
8816 (out_movqi_mr_r): Optimized.
8817 (out_movhi_mr_r): Optimized.
8818 (adjust_insn_length): Use output_movsisf, output_movqi,
8819 output_movhi for insn length adjusting.
8820 (reg_unused_after): Use dead_or_set_p.
8821 (preferred_reload_class): Now havn't any restriction.
8822 (reg_was_0): New function.
8823 (io_address_p): Likewise.
8824 (const_int_pow2_p): Likewise.
8825 (output_reload_inhi): Likewise.
8826 (output_reload_insisf): Likewise.
8828 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
8829 (LIB_SPEC): Use -lc for all supported devices.
8830 (LIBGCC_SPEC): Use -lgcc for all supported devices.
8831 (AVR_MEGA): Define as avr_mega_p.
8832 (AVR_ENHANCED): New, define as avr_enhanced_p.
8833 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
8834 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
8835 (CRT_BINUTILS_SPECS): Handle all known MCU types.
8836 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
8837 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
8838 (ASM_SPEC): Pass -mmcu=... to the assembler.
8839 Change all -DAVR_* to -D__AVR_*__.
8840 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
8841 Rename library functions to start with two underscores.
8842 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
8844 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
8845 (SUPPORTS_WEAK): Likewise.
8846 (LDI_REG_REGNO): New. Register r31 will be used as temporary
8847 register for loading constants to r0-r14.
8849 * config/avr/avr.md: Replace all TARGET_ENHANCED with
8851 (*mov_r_sp): Removed. Handled by output_movhi.
8852 (*mov_sp_r): Likewise.
8853 (*mov_sp_r_no_interrupts): Likewise
8854 (*mov_sp_r_tiny): Likewise.
8855 (*movqi): Use output_movqi.
8856 (*reload_inqi): New.
8857 (*movhi): Use output_movhi.
8858 (*reload_inhi): New.
8859 (*negsi2): Optimized.
8860 (*negsf2): Likewise.
8861 Added peepholes (define_peephole2) for loading constants to r0-r14
8862 and for using `cpse' command.
8864 * config/avr/libgcc.S: Rename library functions to start with two
8866 Add support for enhanced core.
8867 (_moqhi3): Fix typo, now _modqi3.
8868 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
8869 (__prologue_saves__): Remove test for stack adjust by 0.
8870 (__tablejump__): New.
8872 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
8873 Add multilib support.
8875 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
8877 * loop.c (prescan_loop): Don't check unknown_address_altered
8878 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
8879 to loop_store_mems as necessary.
8880 (loop_invariant_p): Don't check unknown_address_altered
8881 or unknown_constant_address_altered.
8883 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8885 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
8887 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8889 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
8890 print just the filename.
8891 * cpplex.c (_cpp_run_directive): Add additional argument, the
8892 name to give the synthetic buffer. This defaults to
8893 translated "<command line>".
8894 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
8896 (_cpp_define_builtin): New function.
8897 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
8898 * cpphash.h: Update prototypes.
8900 * tradcpp.c (main): Process -D and -U simultaneously, in the
8901 order they appeared on the command line.
8903 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8905 * c-decl.c (define_label): Call warning_with_file_and_line and
8906 error_with_file_and_line instead of plain warning or error.
8908 * c-parse.in (label): Use save_filename/save_lineno to ensure
8909 correct values for calls to define_label.
8911 2000-08-29 Mark Mitchell <mark@codesourcery.com>
8913 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
8915 * expr.c (expand_expr, case TARGET_EXPR): Don't call
8917 * tree.h (get_file_function_name): Remove two duplicate
8920 2000-08-28 Kazu Hirata <kazu@hxi.com>
8922 * tree.c: Fix formatting.
8924 * xcoffout.c: Fix formatting.
8926 2000-08-28 Jason Merrill <jason@redhat.com>
8928 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
8930 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8932 * dwarf2out.c (dwarf2out_finish): Don't bother calling
8933 break_out_includes if it won't do anything.
8935 2000-08-28 Richard Henderson <rth@cygnus.com>
8937 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
8938 (find_reloads): Likewise.
8939 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
8940 (reload_inhi): Likewise.
8942 2000-08-28 Richard Henderson <rth@cygnus.com>
8944 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
8945 (call_insn_operand): Don't expect a surrounding mem.
8946 (constant_call_address_operand): Likewise.
8947 * config/i386/i386.h (PREDICATE_CODES): Update.
8948 * config/i386/i386.md (call patterns): Move the match_operand
8949 for the call destination inside the mem.
8951 2000-08-28 Richard Henderson <rth@cygnus.com>
8953 * local-alloc.c (requires_inout): Don't use reserved range for
8954 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
8955 * recog.c (asm_operand_ok): Likewise.
8956 (preprocess_constraints, constrain_operands): Likewise.
8957 * regclass.c (record_reg_classes): Likewise.
8958 * reload.c (find_reloads): Likewise.
8959 * reload1.c (maybe_fix_stack_asms): Likewise.
8960 (reload_cse_simplify_operands): Likewise.
8961 * stmt.c (expand_asm_operands): Likewise.
8963 * md.texi: Update constraints documentation.
8964 * tm.texi (EXTRA_CONSTRAINT): Update.
8966 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8968 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
8969 (print_die): If we don't know the offset of the
8970 target die, try the symbol. Add a trailing newline.
8971 (reverse_all_dies): New fn.
8972 (dwarf2out_finish): Call it.
8973 (break_out_includes): Reorganize for clarity.
8974 (add_sibling_attributes): Don't call reverse_die_lists.
8975 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
8977 * flags.h: Add flag_eliminate_dwarf2_dups.
8978 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
8980 2000-08-28 Jason Merrill <jason@redhat.com>
8982 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
8983 * dwarf2out.c: #include "md5.h".
8984 (DIE_LABEL_PREFIX): New macro.
8985 (dw_val_struct): Add 'external' flag to val_die_ref.
8986 (add_AT_die_ref, AT_ref): Adjust.
8987 (AT_ref_external, set_AT_ref_external): New fns.
8988 (build_abbrev_table): Call set_AT_ref_external.
8989 (value_format): Call AT_ref_external.
8990 (die_struct): Add die_symbol field.
8991 (new_die): Clear it.
8992 (dwarf_tag_name): Handle BINCL/EINCL.
8993 (dwarf2out_start_source_file): Add BINCL DIE.
8994 (dwarf2out_end_source_file): Add EINCL DIE.
8995 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
8996 (loc_checksum, attr_checksum, die_checksum): New fns.
8997 (is_type_die, is_comdat_die, is_symbol_die): New fns.
8998 (compute_section_prefix, assign_symbol_names): New fns.
8999 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
9000 (output_die): Call output_die_symbol and AT_ref_external.
9001 (output_comdat_comp_unit): New fn, split out from...
9002 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
9004 (output_pubnames, output_aranges): Abort if we see entries from
9006 * toplev.h: Declare file_name_nondirectory.
9007 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
9008 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
9009 (debug_start_source_file): Call dwarf2out_start_source_file
9010 regardless of debug verbosity.
9011 (debug_end_source_file): Similarly.
9012 * tree.h: Declare clean_symbol_name.
9013 * tree.c (clean_symbol_name): Split out from...
9014 (get_file_function_name_long): ...here.
9016 * dwarf2out.c (new_loc_descr): Use calloc.
9017 (splice_child_die): Remove the die from the right parent.
9018 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
9020 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9022 * toplev.c (decode_g_option): Don't give warning for unknown -g
9023 option; return 0 instead.
9024 (main): If -g option is not recognized by front end or
9025 language-independent code, give warning.
9027 2000-08-28 Greg McGary <greg@mcgary.org>
9029 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
9030 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
9031 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
9033 2000-08-27 Greg McGary <greg@mcgary.org>
9035 * cpplex.c (parse_string): Don't look for backslash
9036 before first char in `namebuf'.
9037 * loop.c (strength_reduce): Skip NOTEs.
9039 2000-08-27 Jason Merrill <jason@redhat.com>
9041 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
9042 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
9043 TREE_ASM_WRITTEN, either.
9044 (finish_decl): Adjust.
9046 2000-08-28 Philipp Thomas <pthomas@suse.de>
9048 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
9049 they have been incorporated into the gettext CVS. Change the text to
9050 reflect the current status of NLS. Add instructions for accessing
9051 the gettext CVS and add the patch from Martin v. Loewis.
9053 2000-08-27 Geoff Keating <geoffk@cygnus.com>
9055 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
9056 by using gen_lowpart_common.
9057 (movdi_internal64+6): Likewise.
9059 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
9061 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
9064 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
9065 numbers to the ranges used by GDB.
9067 2000-08-25 Richard Henderson <rth@cygnus.com>
9069 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
9070 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
9071 (ia64_expand_prologue): Likewise.
9072 (ia64_setup_incoming_varargs): Set it. Properly skip the current
9073 argument for stdargs.
9075 2000-08-25 Jason Merrill <jason@redhat.com>
9077 * integrate.c (expand_inline_function): Pull out the original decl.
9079 2000-08-25 Jim Wilson <wilson@cygnus.com>
9081 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
9083 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
9085 2000-08-25 Greg McGary <greg@mcgary.org>
9087 * flow.c (dump_edge_info): Use ARRAY_SIZE.
9088 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
9090 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
9092 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
9094 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
9096 * i386.c (ix86_find_base_term): New.
9097 * i386-protos.h (ix86_find_base_term): Prototype.
9098 * i386.h (FIND_BASE_TERM): Define.
9099 * alias.c (find_base_term): Use it.
9100 * tm.texi (FIND_BASE_TERM): Document it.
9102 * alias.c (true_dependence, write_dependence_p): Unchanging
9103 memory can't conflict with non-unchanging memory.
9105 * alias.c (memrefs_conflict_p): A BLKmode reference
9106 to a symbol (or CONST_INT address) always conflicts
9107 with a reference to another symbol.
9109 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
9111 * c-common.c (time_char_table): Don't allow width and flags with
9114 2000-08-25 Jakub Jelinek <jakub@redhat.com>
9116 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
9117 way as LT and LTU when the second operand has 0 in low word.
9119 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9121 * basic-block.h (struct loop): Rename `exits' field to
9122 `exit_edges'. Add `entry_edges' and `num_entries' fields.
9124 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
9125 (flow_loop_entry_edges_find): Add.
9126 (flow_edge_list_print): Rename from flow_exits_print.
9127 (flow_loops_find): Call flow_loop_entry_edges_find.
9128 (flow_loop_dump): Dump entry_edges list.
9129 (flow_loops_free): Free entry_edges.
9131 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9133 * loop.c (loop_dump_aux, debug_loop): New functions.
9134 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
9136 * flow.c (flow_loops_dump): Add callback parameter.
9137 (flow_loop_dump): Add callback parameter and call it. Move
9138 loop note debugging code to loop_dump_aux.
9140 * basic-block.h (flow_loop_dump): Add callback parameter
9141 (flow_loops_dump): Likewise.
9143 * toplev.c (rest_of_compilation): Add NULL callback function pointer
9144 to call to flow_loops_dump.
9146 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9148 * loop.c (count_loop_regs_set): Replace start and end arguments
9149 with loop argument. All callers udated.
9151 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9153 * loop.c (constant_high_bytes): Delete.
9155 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9157 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
9158 and NOTE_INSN_LOOP_VTOP to...
9159 (find_and_verify_loops) ...here.
9161 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
9163 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
9164 (fini_dummy, init_dummy): Use it.
9166 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
9168 * cpplex.c (is_macro_disabled): Caller has already checked
9169 that we're not a preprocessed file.
9171 2000-08-24 Mark Mitchell <mark@codesourcery.com>
9173 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
9174 (c-iterate.o): Remove target.
9175 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
9176 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
9177 (finish_decl): Don't handle iterators.
9178 (grokdeclarator): Likewise.
9179 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
9180 * gcc/c-gperf.h: Regenerated.
9181 * gcc/c-iterate.c: Removed.
9182 * gcc/c-lex.c (init_lex): Don't handle iterators.
9183 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
9184 (compstmt_primary_start): Remove push_iterator_stack call.
9185 (stmt): Don't allow iterator statements. Replace iterator_expand
9186 with expand_expr_stmt.
9187 (all_iter_stmt): Remove.
9188 (all_iter_stmt_simple): Likewise.
9189 (all_iter_stmt_with_decl): Likewise.
9190 * gcc/c-tree.h (ITERATOR_P): Remove.
9191 (ITERATOR_BOUND_P): Likewise.
9192 (init_iterators): Remove declaration.
9193 (iterator_expand): Likewise.
9194 (iterator_for_loop_start): Likewise.
9195 (iterator_for_loop_end): Likewise.
9196 (iterator_for_loop_record): Likewise.
9197 (push_iterator_stack): Likewise.
9198 (pop_iterator_stack): Likewise.
9199 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
9200 (readonly_warning): Likewise.
9201 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
9203 2000-08-24 Jim Wilson <wilson@cygnus.com>
9205 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
9206 Copy type in a TYPE_DECL, just like pushdecl does.
9208 2000-08-24 Richard Henderson <rth@cygnus.com>
9210 * toplev.c (main): Enable flag_reorder_blocks at -O2.
9212 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9214 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
9215 asked for one page, allocate GGC_QUIRE_SIZE of them and put
9216 the extras on the free list.
9217 (release_pages): Clean up.
9218 (ggc_set_mark): Don't adjust G.allocated here...
9219 (sweep_pages): ... do it here.
9221 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9223 * cppfiles.c (read_include_file): Rearrange initializations.
9225 2000-08-24 Richard Henderson <rth@cygnus.com>
9227 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
9229 * config/ia64/ia64-protos.h: Update.
9230 * config/ia64/ia64.c (gr_register_operand): New.
9231 (fr_register_operand, grfr_register_operand): New.
9232 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
9233 (grfr_reg_or_8bit_operand): New.
9234 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
9235 use gr_register_operand.
9236 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
9237 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
9238 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
9239 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
9240 (fr_reg_or_fp01_operand): Likewise.
9241 (not_postinc_memory_operand): New.
9242 (ia64_split_timode): Remove unused variables.
9243 (rtx_needs_barrier): Check arguments to cmpxchg.
9244 (builtin_description): Remove.
9245 (bdesc_2argsi, bdesc_2argdi): Remove.
9246 (ia64_init_builtins): Declare all builtins directly.
9247 (ia64_expand_fetch_and_op): Rewrite to be called from
9248 ia64_expand_builtin directly. Use expand_binop and co.
9249 (ia64_expand_op_and_fetch): Likewise.
9250 (ia64_expand_compare_and_swap): Likewise.
9251 (ia64_expand_binop_builtin): Remove.
9252 (ia64_expand_lock_test_and_set): New.
9253 (ia64_expand_lock_release): New.
9254 (ia64_expand_builtin): Use them.
9255 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
9256 (EXTRA_CONSTRAINT): Use it.
9257 (PREDICATE_CODES): Update.
9258 * config/ia64/ia64.md (*): Use gr_register_operand and co.
9259 (mf): Indicate that we set memory as well as use it.
9260 (fetchadd_acq_si): Show memory being modified as well.
9261 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
9262 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
9263 (lock_test_and_set_si, lock_test_and_set_di): Remove.
9264 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
9265 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
9266 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
9267 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
9268 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
9269 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
9270 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
9271 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
9272 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
9273 return type. Pretty print definitions.
9275 2000-08-24 Jim Wilson <wilson@cygnus.com>
9277 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
9278 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
9280 2000-08-24 Jason Merrill <jason@redhat.com>
9282 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
9283 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
9284 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
9285 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
9287 2000-08-24 Greg McGary <greg@mcgary.org>
9289 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
9290 and extendtab within their proper array boundaries.
9291 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
9292 for the entire array.
9294 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
9295 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
9296 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
9297 * config/fr30/fr30.c (fr30_print_operand): Likewise.
9298 * config/i386/dgux.c (output_options): Likewise.
9299 * config/i386/dgux.h (ASM_FILE_START): Likewise.
9300 * config/m88k/m88k.c (output_options): Likewise.
9301 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
9302 * config/mcore/mcore.c (mcore_output_inline_const_forced,
9303 layout_mcore_frame, handle_structs_in_regs): Likewise.
9304 * config/mips/mips.c (output_block_move): Likewise.
9305 * config/rs6000/rs6000.c (rs6000_override_options,
9306 rs6000_file_start): Likewise.
9307 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
9308 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
9309 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
9310 * builtins.c (expand_builtin_setjmp): Likewise.
9311 * expr.c (safe_from_p): Likewise.
9312 * flow.c (life_analysis): Likewise.
9313 * fold-const.c (size_int_type_wide): Likewise.
9314 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
9315 * genattrtab.c (make_length_attrs): Likewise.
9316 * genopinit.c (gen_insn): Likewise.
9317 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
9318 * global.c (global_alloc): Likewise.
9319 * local-alloc.c (find_free_reg): Likewise.
9320 * mips-tdump.c (print_symbol): Likewise.
9321 * mips-tfile.c (parse_def, parse_input): Likewise.
9322 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
9323 * stmt.c (expand_nl_goto_receiver): Likewise.
9324 * stor-layout.c (set_sizetype): Likewise.
9325 * varasm.c (decode_reg_name): Likewise.
9326 * toplev.c (decode_f_option, decode_W_option,
9327 set_target_switch, print_switch_values): Likewise.
9328 (NUM_ELEM): Remove macro.
9329 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
9331 2000-08-24 Greg McGary <greg@mcgary.org>
9333 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
9334 (MAIN_NAME_P, main_identifier_node): New macros.
9335 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
9336 * c-decl.c (start_decl, grokdeclarator, start_function,
9337 store_parm_decls, finish_function): Use MAIN_NAME_P.
9338 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
9339 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
9340 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9341 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
9343 2000-08-24 Greg McGary <greg@mcgary.org>
9345 * cppfiles.c (actual_directory): Don't write beyond `dir'
9346 when it contains "".
9347 * real.c (asctoeg): Stay within bounds of etens[][].
9349 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9351 * dependence.c (dependence_string, direction_string,
9352 dump_one_node, dump_node_dependence): Hide unused identifiers.
9353 (get_low_bound, normalize_coefficients): Match definition to
9355 (get_one_coefficient): Initialize variables `value0_is_idx' and
9357 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
9358 (ziv_test): Delete variable `idx', use parameter `sub' instead.
9359 (direction_merge): Avoid automatic aggregate initialization.
9360 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
9361 Initialize variables `dest_idx' and `src_idx'.
9362 (end_dependence_analysis): Avoid C89 style function definition.
9364 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
9366 * c-common.c (time_char_table): Don't allow width with %F.
9367 (check_format_info): Don't allow "Z" length with scanf.
9369 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
9371 * diagnostic.c (finish_diagnostic): Define.
9372 (output_do_printf): Use wrap_text instead of output_add_string.
9373 (default_print_error_function): Avoid embedded '\n'.
9375 * diagnostic.h (flush_diagnostic_buffer): Declare.
9377 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
9379 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
9381 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
9383 * Makefile.in (GCC_PASSES): Add specs.
9385 2000-08-23 Jim Wilson <wilson@cygnus.com>
9387 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
9388 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
9389 EHANDLER nor UHANDLER bit is set.
9390 (__get_except_table): Likewise.
9392 2000-08-23 Nick Clifton <nickc@redhat.com>
9394 * config/arm/lib1funcs.asm: Replace upper case condition codes
9395 with lower case versions.
9397 * config/arm/arm.h (STRUCT_VALUE): Define.
9398 (STRUCT_VALUE_REGNUM): Delete.
9400 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
9402 * cpphash.h (IN_I): New flag for directive table.
9403 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
9405 (_cpp_check_directive): If -fpreprocessed, execute directives
9406 marked with IN_I. Issue no warnings in this case.
9407 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
9409 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
9411 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
9413 (check_format_info): Support printf 'I' flag; warn about it with
9416 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
9418 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
9419 barrier can't be ignored by the alias analysis code.
9421 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
9423 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
9424 works inside fixincl.
9426 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
9428 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
9429 simplify_relational_operation() unless both operands are of
9431 * cse.c (fold_rtx): Likewise.
9433 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
9435 * rtlanal.c (rtx_unstable_p): The pic register is stable
9436 (within one function) and the actual rtx should be used
9437 when checking the registers.
9438 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
9440 * alias.c (true_dependence, write_dependence_p): Fix
9441 bug in previous patch.
9443 * i386.c (ix86_GOT_alias_set): New.
9444 (legitimize_pic_address): Use it.
9446 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
9447 only stable if its address is stable.
9448 (rtx_varies_p): An unchanging MEM can't vary if
9449 its address doesn't vary.
9451 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9453 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
9455 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9457 * vax.h (ASM_SPEC): Pass `-J' to assembler.
9458 * x-vax-gcc: New file for bootstrapping with gcc.
9459 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
9460 * configure.in: Use x-vax-gcc with gcc.
9461 * configure: Rebuilt.
9463 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9465 * toplev.c (rest_of_compilation): Rebuild label notes after
9466 post-reload splitting pass if new labels have been created.
9468 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9470 * diagnostic.h (output_buffer_state): New macro.
9471 * diagnostic.c (diagnostic_for_decl, sorry,
9472 default_print_error_function, output_do_verbatim,
9473 report_diagnostic, report_problematic_module): Use it.
9475 (output_format): Use wrap_text instead of maybe_wrap_text.
9477 2000-08-22 Nick Clifton <nickc@redhat.com>
9479 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
9480 Common code for ARM divide and modulus functions.
9481 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
9483 (FUNC_END): New macro: Common code at the end of the division and
9485 (THUMB_FUNCTION_START): New macro: Common code at the start of
9487 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
9489 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
9491 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
9493 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
9494 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
9497 2000-08-22 Nick Clifton <nickc@redhat.com>
9499 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
9500 restorative additions, test for bottom bits of IP being set,
9501 rather than relying upon the RORs not matching.
9504 2000-08-22 David Edelsohn <edelsohn@gnu.org>
9506 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
9507 text_section() as appropriate instead of emitting text csect
9509 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
9510 (UNIQUE_SECTION): Define macro.
9511 (ASM_OUTPUT_SECTION_NAME): Define macro.
9512 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
9513 on AIX if debugging and -fdata-sections always.
9515 2000-08-22 Steven King <sxking@uswest.net>
9517 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
9519 (LDBL_MAX): Same here.
9521 2000-08-22 Richard Henderson <rth@cygnus.com>
9523 * flow.c (tidy_fallthru_edge): Update b->end properly.
9525 2000-08-22 Stan Cox <scox@redhat.com>
9527 * Makefile.in (OBJS): Add dependence.o.
9528 * dependence.c: New file.
9530 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
9532 * calls.c (check_sibcall_argument_overlap_1): Adjust for
9534 (check_sibcall_argument_overlap): Likewise.
9536 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
9538 * invoke.texi (SH Options): Document -m4-nofpu,
9539 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
9540 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
9542 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
9544 * c-common.c (check_format_info): Give the 'some locales' warning
9545 for strftime %Ey rather than the unconditional 'only last 2 digits
9548 2000-08-22 Richard Henderson <rth@cygnus.com>
9550 * alias.c (init_alias_analysis): Do not register
9551 struct_value_incoming_rtx or static_chain_rtx as pointing
9554 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
9556 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
9558 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9560 * diagnostic.h (report_problematic_module): Declare.
9561 * diagnostic.c (report_problematic_module): New function.
9562 (report_error_function): Tweak.
9564 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9566 * stmt.c (expand_goto_internal, fixup_gotos): Only check
9567 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9569 2000-08-21 Richard Henderson <rth@cygnus.com>
9571 * flow.c (calculate_global_regs_live): Mark frame pointer live
9572 everywhere before reload.
9574 2000-08-21 Jim Wilson <wilson@cygnus.com>
9576 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
9577 INTEL_EXTENDED_IEEE_FORMAT.
9578 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
9579 clear last two bytes of output FP value.
9581 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
9583 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
9585 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9587 * unroll.c (loop_find_equiv_value): If ret is modified between
9588 insn and loop_start, ret might not be equivalent to reg.
9590 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9592 * c-common.c (init_dollar_format_checking,
9593 maybe_read_dollar_number, finish_dollar_format_checking): New
9595 (dollar_arguments_used, dollar_arguments_count,
9596 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
9598 (check_format_info): Support $ formats for scanf and printf width
9599 and precision. Always increment format_chars to advance past the
9600 '*' of precision, not just when the format parameters are
9603 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9605 * mips.c (block_move_loop, expand_block_move,
9606 function_arg_partial_nregs, save_restore_insns, function_prologue,
9607 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
9609 (function_arg_advance, function_arg): Match argument to format
9612 2000-08-21 Nix <nix@esperi.demon.co.uk>
9614 * gcc.c (do_spec_1): Implement %j spec flag.
9615 Remove dead comment.
9617 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
9618 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
9619 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
9620 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
9622 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
9623 writable) instead of hardcoded value.
9625 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
9627 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
9630 * gcc.c (cc1_options): Do not process -o or run the assembler if
9632 * objc/lang-spec.h: Likewise.
9634 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
9636 * fixinc/fixincl.c (fix_with_system): Pipe the output of
9637 "external" fixes through `cat', to avoid truncating the input
9638 file by redirection.
9640 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9642 * config/i386/i386.md (lea_general_1): Copy insn condition to split
9644 (lea_general_2, lea_general_3): Likewise.
9646 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9648 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
9649 warnings to user code.
9651 * c-lex.c (readescape, yylex): Likewise.
9653 * c-typeck.c (store_init_value, process_init_element): Likewise
9654 (c_expand_start_case): Format.
9656 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
9658 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
9660 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
9661 and linker_endian_spec to endian_spec.
9662 (ENDIAN_SPEC): Add %{EB} and %{EL}.
9663 (LINK_SPEC): Remove %{EB} and %{EL}.
9664 (ASM_SPEC): Likewise. Use %(endian_spec).
9666 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9668 * c-tree.h (flag_hosted): Move declaration from here...
9669 * c-common.h (flag_hosted): ... to here.
9670 (flag_noniso_default_format_attributes): New declaration.
9671 * c-decl.c (flag_noniso_default_format_attributes): New variable.
9672 (c_decode_option): Set it appropriately for options choosing
9673 language standard variant.
9674 * c-common.c (init_function_format_info): Only provide default
9675 format attributes if flag_hosted. Only provide the gettext
9676 formats if flag_noniso_default_format_attributes. Update
9678 (check_format_info): Disable treatment of %a as a scanf flag in
9681 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9683 * c-common.c (scan_char_table): Add 'w' to flags for all formats
9685 (check_format_info): Set 'wide' for scanf format widths. Warn for
9686 a zero scanf width. Make the check for writing into a constant
9687 object at the first level of indirection; at later levels, warn if
9688 any type qualifiers are encountered.
9690 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
9692 * reload.c (reload_inner_reg_of_subreg): New function broken out of
9694 (push_reload): Use reload_inner_reg_of_subreg.
9695 (combine_reloads): Do not combine reloads if the input reload
9696 is a SUBREG in which the inner part will need reloading.
9698 * global.c (global_alloc): Avoid passing dumpfile argument to
9700 * toplev.c (rest_of_compilation): Likewise.
9701 * reload.h (reload): Remove dumpfile argument. Callers changed.
9702 (debug_reload, debug_reload_to_stream): Move prototypes here.
9703 * rtl.h (reload): Remove dumpfile argument.
9704 * reload.c (debug_reload): Remove prototype.
9705 (debug_reload_to_stream): Likewise.
9706 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
9709 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9711 * diagnostic.c (context_as_prefix): Export.
9712 (need_error_newline): Remove.
9713 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
9714 (error_module_changed, record_last_error_module,
9715 error_function_changed, record_last_error_function): New functions.
9716 (initialize_diagnostics): Default intialize
9717 lang_diagnostic_starter, lang_diagnostic_finalizer.
9718 (init_output_buffer): Tweak.
9719 (file_name_as_prefix): New function.
9720 (announce_function, default_print_error_function,
9721 report_error_function, set_diagnostic_context): Tweak.
9723 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
9725 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
9726 condition expression.
9728 2000-08-20 Richard Henderson <rth@cygnus.com>
9730 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
9732 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
9734 * cppinit.c (cpp_init): Set global flag when called.
9735 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
9737 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
9739 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
9740 before `process_directive' so that newlines won't be missed
9742 (cpp_printf): Increment `print->lineno' when newline is emitted.
9744 * cppmain.c (cb_ident): Likewise.
9745 (cb_define): Likewise.
9746 (cb_undef): Likewise.
9747 (cb_include): Likewise.
9748 (cb_def_pragma): Likewise.
9749 (dump_macros_helper): Likewise.
9751 2000-08-20 Richard Henderson <rth@cygnus.com>
9753 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
9754 assigned before a loop.
9756 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
9757 (ashrsi3, lshrsi3): Likewise.
9759 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9761 * c-lang.c: #include diagnostic.h
9762 (c_tree_printer): New function.
9763 (lang_init): Initialize lang_printer.
9765 * Makefile.in (c-lang.o): Depends on diagnostic.h
9767 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9769 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
9771 * diagnostic.c (default_diagnostic_starter,
9772 default_diagnostic_finalizer): New functions.
9773 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
9774 (pedwarn, pedwarn_with_file_and_line, error,
9775 error_with_file_and_line, fatal, warning,
9776 warning_with_file_and_line): Adjust call to report_diagnostic.
9777 (report_diagnostic): Rework.
9778 (set_diagnostic_context): New function.
9780 * diagnostic.h (struct diagnostic_context): New data structure.
9781 (diagnostic_message, diagnostic_argument_list,
9782 diagnostic_file_location, diagnostic_line_location,
9783 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
9784 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
9785 (set_diagnostic_context): Declare.
9786 (report_diagnostic): Change prototype.
9788 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
9790 * fix-header.c (main): Initialize cpplib.
9792 2000-08-19 Michael Meissner <meissner@redhat.com>
9794 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
9795 instructions in it before checking for indirect jumps.
9797 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
9798 in a indirect jump as a potential for conditional execution.
9800 * d30v.h (d30v_init_expanders): Don't declare here.
9801 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
9804 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
9806 * cpp.texi: Add @section for assertions.
9808 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
9810 * loop.c (scan_loop): Use CONST_CALL_P instead of
9811 checking for REG_LIBCALL / REG_RETVAL.
9813 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
9815 * reload1.c (reload_as_needed): Accept dumpfile argument,
9816 pass it to emit_reload_insns.
9817 (emit_reload_insns): Add new dumpfile argument. If non-null
9818 then dump the reloads for each insn into the dumpfile.
9819 (reload): Pass dumpfile to reload_as_needed.
9821 * invoke.texi: Clean up linux-gnu vs linux comments.
9823 2000-08-19 Richard Henderson <rth@cygnus.com>
9825 * config/ia64/ia64.c (reg_or_5bit_operand): New.
9826 (ia64_depz_field_mask): New.
9827 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
9828 (PREDICATE_CODES): Update.
9829 * config/ia64/ia64.md: Update commentary.
9830 (depz_internal): New.
9831 (ashlsi3): Implement directly.
9832 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
9833 (ashldi3): Use shladd.
9834 * config/ia64/ia64-protos.h: Update.
9836 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9838 * toplev.c (independent_decode_option): Always process -g.
9839 Remove third argument, now unused. Adjust caller to match.
9841 2000-08-18 Richard Henderson <rth@cygnus.com>
9843 * combine.c (make_compound_operation): Break after creating
9846 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9848 * cpplib.c (cpp_register_pragma_space): Just return if the
9849 namespace is already registered.
9851 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
9853 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
9854 constant amount. Do not generate ROTL instruction.
9856 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
9858 * config/sh/elf.h: Do not include sh/sh.h.
9859 * config/sh/rtems.h: Likewise.
9860 * config/sh/rtemself.h: Do not include sh/elf.h.
9861 * configure.in: Get them included with `tm_file's.
9862 * configure: Rebuilt.
9864 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
9865 * config/sh/sh.c (fpscr_set_from_mem): Use them.
9867 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9869 * stor-layout.c (compute_record_type): Don't use mode of single
9870 field as mode of record if not integer mode of same type.
9872 * regmove.c (perhaps_ends_bb_p): New function.
9873 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
9874 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
9875 (fixup_match_1): Likewise.
9876 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
9877 avoid signed/unsigned warnings.
9879 * function.c (fixup_var_refs_1, case MEM): Update CODE after
9882 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
9884 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
9885 (_cpp_trigraph_map): Declaration moved from cpplex.c
9887 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
9888 instead of 256. Use consistent test for designated initializers.
9889 (cpp_init): Initialize trigraph_map.
9890 (initialize_standard_includes, parse_option): Use memcmp
9893 * cpplex.c (init_trigraph_map): Remove.
9894 (trigraph_ok, trigraph_replace, lex_line): Refer to
9897 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
9898 (do_unassert): Remove unused "next" local.
9900 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
9902 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
9904 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
9907 2000-08-17 Richard Henderson <rth@cygnus.com>
9909 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
9910 the first insn in a sequence.
9912 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
9914 * alias.c (true_dependence, write_dependence_p): A read
9915 involving a label_ref or the constant pool doesn't create
9918 * rtl.h (unchanging): Improve documentation.
9920 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
9922 * cse.c (insert_regs): Remove unused `regno'.
9924 2000-08-17 Neil Booth <NeilB@earthling.net>
9926 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
9927 remove_dup_dirs. If qtail == brack, remove brack not
9929 (remove_dup_dir, remove_dup_dirs): New functions.
9931 2000-08-17 Neil Booth <NeilB@earthling.net>
9933 * cppinit.c (cpp_cleanup): Free include dir chains.
9934 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
9935 (do_unassert): Free the assert with _cpp_free_definition.
9936 * cppmacro.c (_cpp_free_definition): Free memory allocated for
9937 assertions. Make the node a T_VOID node.
9939 2000-08-17 Neil Booth <NeilB@earthling.net>
9941 * cppinit.c (path_include, append_include_chain):
9942 Remove 2nd parameter (struct cpp_pending *).
9943 (path_include, initialize_standard_includes, cpp_handle_option):
9944 Update callers appropriately.
9945 (cpp_handle_option): Use pend.
9947 2000-08-17 Neil Booth <NeilB@earthling.net>
9949 * cppinit.c (sort_options): Remove, put functionality in
9952 (initialize_builtins): Free memory.
9953 (cpp_start_read): Move init_IStable to cpp_init.
9955 * cpplib.h (cpp_init): New prototype.
9956 * cppmain.c (main): Call cpp_init.
9958 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
9960 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
9961 (rtx_unstable_p, rtx_varies_p): Process vectors.
9963 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
9965 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
9966 references to GLOBAL symbols. Use LOCAL where appropriate.
9968 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9970 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
9971 use t-aix41 when host == target.
9973 2000-08-16 Richard Henderson <rth@cygnus.com>
9975 * reload.c (push_secondary_reload): Revert last change.
9976 If we use a reload_in/out pattern, make the when the same
9977 as the primary reload.
9978 (find_reloads): Likewise.
9980 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
9982 * configure.in (libstdcxx-v3): Fix test.
9983 * configure: Regenerate.
9985 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9987 * calls.c (calls_function_1, expand_call): Only test
9988 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9989 * function.c (thread_prologue_and_epilogue_insns): Likewise.
9991 2000-08-16 Richard Henderson <rth@cygnus.com>
9993 * combine.c (simplify_shift_const): Revert previous two
9994 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
9995 before the main loop.
9997 2000-08-15 Richard Henderson <rth@cygnus.com>
9999 * combine.c (simplify_shift_const): Bound shift count when
10002 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10004 * calls.c (ECF_SP_DEPRESSED): New macro.
10005 (calls_function_1): Treat calling sp-depressed function as alloca.
10006 (emit_call_1): Don't adjust SP if calling sp-depressed function.
10007 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
10008 If sp-depressed, ensure block saves and restores SP.
10009 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
10011 * function.c (keep_stack_depressed): New function.
10012 (thread_prologue_and_epilogue_insns): Call it.
10013 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
10014 to print DECL_OFFSET_ALIGN.
10015 Print no-force-blk and transparent-union flags properly.
10016 * stmt.c (expand_goto_internal): Don't restore stack if last block
10017 and function returns with sp depressed.
10018 (fixup_gotos): Likewise.
10019 (save_stack_pointer): New function, from code in expand_decl.
10020 (expand_decl): Call new function.
10021 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
10022 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
10023 (save_stack_pointer): New declaration.
10025 * diagnostic.c (fatal_function): New variable.
10026 (set_fatal_function): New function.
10028 * diagnostic.h (set_fatal_function): New declaration.
10030 2000-08-15 William Cohen <wcohen@redhat.com>
10032 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
10033 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
10034 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
10036 2000-08-15 Richard Henderson <rth@cygnus.com>
10038 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
10040 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10042 * arm.c (arm_function_ok_for_sibcall): New function.
10043 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
10044 * arm.md (call expanders): Don't check here for calls that can't
10047 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10049 * arm.md (splits generating cond_exec): Disable.
10051 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10053 * arm/linux-elf.h (text_section): Delete declaration.
10055 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10057 ARM support for unordered FP operations.
10058 * arm-protos.h (arm_comparison_operator): Declare.
10059 * arm.c (arm_comparison_operator): New function.
10060 (arm_select_cc_mode): Add unordered comparison codes.
10061 (get_arm_condition_code): Likewise.
10062 (arm_final_prescan_insn): Can't handle unordered jumps that can't
10063 be done in one insn.
10064 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
10065 * arm.md (all uses of comparison_operator): Replace with
10066 arm_comparison_operator.
10067 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
10069 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
10072 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10074 * gthr-posix.h: Conditionally include <sched.h>; include
10075 <config.h> from libobjc/.
10077 2000-08-14 Richard Henderson <rth@cygnus.com>
10079 * config/i386/i386.c (legitimize_pic_address): Use Pmode
10082 2000-08-14 Richard Henderson <rth@cygnus.com>
10084 * configure.in (ia64-*): Set float_format for i386 long double.
10086 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
10087 as we would for i386 XFmode.
10088 (PUT_REAL): Likewise.
10089 (endian, ereal_atof, real_value_truncate): Likewise.
10090 (ereal_isneg, toe64, etens, make_nan): Likewise.
10091 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
10093 * config/ia64/ia64-protos.h: Update.
10094 * config/ia64/ia64.c (general_tfmode_operand): New.
10095 (destination_tfmode_operand): New.
10096 (tfreg_or_fp01_operand): New.
10097 (ia64_split_timode): New.
10098 (spill_tfmode_operand): New.
10099 (ia64_expand_prologue): Use TFmode not XFmode.
10100 (ia64_expand_epilogue): Likewise.
10101 (ia64_function_arg): Likewise.
10102 (ia64_function_arg_advance): Likewise.
10103 (ia64_return_in_memory): Likewise.
10104 (ia64_function_value): Likewise.
10105 (ia64_print_operand): Likewise.
10106 (ia64_register_move_cost): Set GR<->FR to 5.
10107 (ia64_secondary_reload_class): Get GR for TImode memory op.
10108 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
10109 (ROUND_TYPE_ALIGN): Remove.
10110 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
10111 (INTEL_EXTENDED_IEEE_FORMAT): Define.
10112 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
10113 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
10114 (MODES_TIEABLE_P): Use TFmode, not XFmode.
10115 (CLASS_MAX_NREGS): Likewise.
10116 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
10117 (PREDICATE_CODES): Update.
10118 * config/ia64/ia64.md (movti): New.
10119 (movti_internal): Use a clobber for memory alternatives.
10120 (reload_inti, reload_outti): New.
10121 (movsfcc_astep): Predicate properly.
10122 (movdfcc_astep): Likewise.
10125 (extendsftf2, extenddftf2): New.
10126 (trunctfsf2, trunctfdf2): New.
10127 (floatditf2, fix_trunctfdi2): New.
10128 (floatunsditf2, fixuns_trunctfdi2): New.
10129 (addtf3, subtf3, multf3, abstf2): New.
10130 (negtf2, nabstf2, mintf3, maxtf3): New.
10131 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
10133 (fr_spill): Use TFmode, not XFmode.
10134 (fr_restore): Likewise.
10135 * config/ia64/lib1funcs.asm (__divtf3): New.
10136 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
10138 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10140 * cse.c (fold_rtx): Avoid empty body in an if-statement.
10142 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
10143 `U' integer constant suffix.
10145 * dwarf2out.c (add_subscript_info): Avoid empty body in an
10148 * sparc/sol2.h (__enable_execute_stack): Prototype.
10150 2000-08-14 David Edelsohn <edelsohn@gnu.org>
10152 * collect2.c: Remove use of AIX import file.
10154 * longlong.h: Test ARCH_PWR not ARCH_POWER.
10156 * rs6000.c (print_operand, case 'E'): Add else.
10158 2000-08-14 Richard Henderson <rth@cygnus.com>
10160 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
10161 (movdi_symbolic): New.
10163 2000-08-14 Jim Wilson <wilson@cygnus.com>
10165 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10166 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
10167 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10170 2000-08-14 Richard Henderson <rth@cygnus.com>
10172 * expr.c (emit_group_load): Don't force constants into registers.
10173 Special case source already in the correct mode.
10175 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
10177 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
10178 * fixinc/inclhack.def: Likewise.
10179 * fixinc/mkfixinc.sh: Likewise.
10180 * configure: Regenerate.
10181 * fixinc/fixincl.x: Regenerate.
10182 * install.texi: Document equivalence of linux and linux-gnu.
10184 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10186 * cse.c (insert_regs): Also in REG case: When finding an invalid
10187 value, and we make a new quantity, make sure that it won't be
10188 mistaken by for a valid one by mention_regs.
10190 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
10192 * h8300.md: Remove obsolete peepholes.
10194 2000-08-13 Kazu Hirata <kazu@hxi.com>
10196 * invoke.texi (H8/300 Options): Fix typos.
10197 * config/h8300.c: Fix formatting.
10198 * config/h8300.h: Fix comment typos.
10199 (OVERRIDE_OPTIONS): Fix formatting.
10201 * function.c: Fix formatting.
10203 * cse.c: Fix formatting.
10205 2000-08-13 Geoff Keating <geoffk@cygnus.com>
10207 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
10208 (attempt_auto_inc): Suppress parentheses warning.
10209 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
10210 * loop.c (load_mems): Remove `u' suffix in two places.
10211 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
10213 * config/rs6000/rs6000.h: Likewise.
10214 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
10215 __eabi dummy routine.
10216 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
10217 variable `buf_ptr'.
10219 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
10220 not put stuff in .sdata unnecessarily.
10221 (rs6000_unique_section): New function.
10222 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
10223 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
10225 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
10226 arrays in C99. Don't try to look at DECL_REGISTER of a
10227 COMPONENT_REF. Don't complain twice about the same error.
10229 * fixinc/inclhack.def (aix_pthread): New fix.
10230 (aix_sysmachine): New fix.
10231 * fixinc/fixincl.x: Regenerate.
10233 * expr.c (expand_expr): Call convert_modes when turning a large
10234 multiply into a small one.
10236 2000-08-12 Geoff Keating <geoffk@cygnus.com>
10238 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
10239 the tree structure an exponent rather than an explicit alignment
10240 so it doesn't overflow.
10241 (SET_DECL_OFFSET_ALIGN): New macro.
10242 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
10243 rather than DECL_OFFSET_ALIGN.
10244 (place_field): Likewise.
10245 * expmed.c (store_bit_field): Abort on align==0 to avoid
10246 antisocial machine behaviour.
10248 2000-08-12 Richard Henderson <rth@cygnus.com>
10250 * sibcall.c (uses_addressof): Accept both addressof and
10251 current_function_internal_arg_pointer inside a mem.
10252 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
10253 if current_function_uses_addressof.
10254 * stmt.c (expand_return): Kill tail recursion and HAVE_return
10257 2000-08-11 Richard Henderson <rth@cygnus.com>
10259 * config/ia64/ia64.md (addsi3): Remove expander.
10260 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
10261 (*addsi3_shladd): New.
10263 2000-08-11 Richard Henderson <rth@cygnus.com>
10265 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
10266 (do_restore): Likewise.
10267 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
10268 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
10269 (rtx_needs_barrier): Track actual bit manipulation for
10270 ar.unat moves, gr_spill, and gr_restore.
10271 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
10272 (process_set): Don't handle varargs spills.
10273 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
10274 .mem.offset here instead of in process_set.
10275 (gr_restore): Likewise.
10277 2000-08-11 Richard Henderson <rth@cygnus.com>
10279 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
10281 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10283 * gcc.texi (The Configuration File): Document
10284 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
10285 UPDATE_PATH_HOST_CANONICALIZATION.
10287 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10289 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
10290 unprototyped function pointer casts on integer constants.
10292 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
10294 * fixproto: Recognize DOS paths with drive letters as absolute paths.
10296 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
10298 * extend.texi (Volatiles): Fix typos.
10300 2000-08-11 Kazu Hirata <kazu@hxi.com>
10302 * flow.c: Fix formatting.
10304 2000-08-11 Richard Henderson <rth@cygnus.com>
10306 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
10307 pattern, always allocate a tertiary scratch register.
10309 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
10310 (reload_inhi): Likewise.
10312 2000-08-11 Richard Henderson <rth@cygnus.com>
10314 * function.c (put_reg_into_stack): Allow type to be NULL.
10315 (schedule_fixup_var_refs): Likewise.
10316 (gen_mem_addressof): Allow decl to be NULL.
10317 (put_addressof_into_stack): Likewise.
10319 * flow.c (merge_blocks_nomove): Be more careful about
10320 locating the beginning of block A.
10322 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
10324 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10329 * config.in: Reverted the check for <sched.h>.
10331 2000-08-10 Chris Demetriou <cgd@sibyte.com>
10333 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
10334 macros define the name of CTOR and DTOR sections.
10335 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10336 DTOR_LIST_END): Change to use attributes to specify
10338 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
10339 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10340 DTOR_LIST_END): Same as in mips/elf.h.
10342 2000-08-10 Drew Moseley <dmoseley@redhat.com>
10344 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
10345 disabling just crt0.o.
10347 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
10349 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
10350 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
10351 (EXTRA_SPECS): Add them.
10352 * arm/lib1funcs.asm: Support builds for interworking.
10353 Use macros to eliminate duplicated pieces of code.
10355 2000-08-10 Kazu Hirata <kazu@hxi.com>
10357 * h8300.c (expand_a_rotate): New.
10358 (emit_a_rotate): Likewise.
10359 (h8300_adjust_insn_length): Add support for the rotate insns.
10360 * h8300.md (rotlqi3): New.
10361 (*rotlqi3_1): Likewise.
10362 (rotlhi3): Likewise.
10363 (*rotlhi3_1): Likewise.
10364 (rotlhi3): Likewise.
10365 (*rotlhi3_1): Likewise.
10366 * h8300-proto.h: Add prototypes for expand_a_rotate and
10369 * h8300.c: Fix comment typos.
10370 (dosize): Declare the variable amount as unsigned.
10371 (get_shift_alg): Fix a comparison between signed and unsigned.
10372 (emit_a_shift): Likewise.
10373 (h8300_adjust_insn_length): Simplify the code.
10375 * c-decl.c: Fix formatting.
10377 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10379 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
10380 warning about non-traditional numeric constant suffixes.
10382 * cppexp.c (parse_number): Likewise.
10384 * invoke.texi: (-Wtraditional): Document new behavior.
10386 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10388 * gthr-posix.h: Include auto-host.h. Conditionally include
10390 * configure.in: Check for the <sched.h> header file.
10391 * config.in: Added define for HAVE_SCHED_H.
10393 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10395 * c-typeck.c (process_init_element): For -Wtraditional, warn about
10396 initialization of unions.
10398 * invoke.texi (-Wtraditional): Document new behavior.
10400 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
10402 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
10403 instead of extra_c_flags.
10404 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
10405 * configure: Regenerate.
10406 * config.in: Regenerate.
10408 * cpperror.c (cpp_type2name): New function.
10409 * cpplex.c (lex_line): If we issued an error for an invalid
10410 preprocessing directive, discard that logical line.
10411 * cpplib.c (do_line): Call a hook function if the current file
10412 is renamed by #line.
10413 (do_ident): Pass the contents of the string, not the entire
10414 token, to the callback function.
10415 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
10416 (cb.rename_file): New hook function.
10417 (cb.ident): Adjust prototype.
10418 (cpp_type2name): Prototype.
10419 * cppmacro.c (dump_macro_args): Correct precedence lossage.
10421 * cppmain.c (cb_ident): Update for changed interface.
10422 (cb_rename_file): New function.
10423 (main): Set rename callback.
10425 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
10427 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
10428 multi-word registers.
10430 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10432 * c-common.c (combine_strings, check_format_info): Refer to ISO C
10433 or ISO C89 instead of ANSI C.
10434 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
10435 build_enumerator, do_case): Likewise.
10436 * c-lex.c (parse_float, yylex): Likewise.
10437 * c-parse.in: Likewise.
10438 * c-typeck.c (common_type, build_array_ref, build_binary_op,
10439 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
10440 build_c_cast, convert_for_assignment, set_init_index,
10441 set_init_label, c_expand_start_case): Likewise.
10442 * toplev.c (documented_lang_options, display_help): Likewise.
10444 2000-08-08 Kazu Hirata <kazu@hxi.com>
10446 * h8300.c: Fix formatting.
10447 * h8300.h: Likewise.
10448 * h8300.md: Likewise.
10449 (movsi_h8300hs): Fix formatting of the resulting assembly code.
10451 * reload1.c: Fix formatting.
10453 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
10455 * alpha/alpha.c (alpha_emit_xfloating_libcall):
10456 Use GEN_CALL_VALUE define.
10457 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
10458 * clipper/clipper.md (untyped_call): Likewise.
10459 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
10460 * fx80/fx80.md (untyped_call): Likewise.
10461 * mips/mips.md (untyped_call): Likewise.
10462 * ns32k/ns32k.md (untyped_call): Likewise.
10463 * pa/pa.md (untyped_call): Likewise.
10464 * romp/romp.md (untyped_call): Likewise.
10465 * sparc/sparc.md (untyped_call): Likewise.
10467 2000-08-08 Jason Eckhardt <jle@cygnus.com>
10469 * config/i860/i860.c (singlemove_string): Do not generate assembler
10470 pseudo instructions that must be expanded (that is, with signed
10471 constants larger than 16 bits).
10473 2000-08-08 Richard Henderson <rth@cygnus.com>
10475 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
10476 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
10477 (init_propagate_block_info): Don't kill memory stores at -O0.
10478 (mark_set_1, mark_used_regs): Likewise.
10480 2000-08-08 David Edelsohn <edelsohn@gnu.org>
10482 * rs6000.c (optimization_options): Decorate 'level' as
10484 (mask64_operand): Remove sign-extend thinko.
10485 (rldic_operand): New function.
10486 (load_multiple_operation): regno's are unsigned ints.
10487 (store_multiple_operation): Likewise.
10488 (lmw_operation): Likewise.
10489 (stmw_operation): Likewise.
10490 (includes_lshift_p): shift_mask is unsigned int.
10491 (includes_lshift64_p): New function.
10492 (addrs_ok_for_quad_peep): unsigned int reg1.
10493 (print_operand): Consistently add "else" after
10494 output_operand_lossage().
10495 (print_operand, case 'b'): Fold in case 'W'.
10496 (print_operand, case 'W'): Print rldic MB value.
10497 (output_epilogue): Update Objective-C language string.
10498 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
10499 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
10500 * rs6000.md (ashldi3): Add rldic instruction.
10501 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
10502 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
10505 2000-08-08 Richard Henderson <rth@cygnus.com>
10507 * config/ia64/ia64-protos.h: Remove duplicates. Update
10508 for massive code rearrangements.
10509 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
10510 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
10511 (ia64_local_regs, ia64_need_regstk): Remove.
10512 (ar_ccv_reg_operand): New.
10513 (ia64_gp_save_reg): New.
10514 (struct ia64_frame_info): Combine most of the size elements;
10515 add new gr save elements.
10516 (find_gr_spill): New.
10517 (next_scratch_gr_reg): New.
10518 (mark_reg_gr_used_mask): New.
10519 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
10520 to GR backing store regs when possible.
10521 (ia64_initial_elimination_offset): New.
10522 (ia64_rap_fp_offset): Remove.
10523 (save_restore_insns): Remove.
10524 (setup_spill_pointers): New.
10525 (finish_spill_pointers): New.
10526 (spill_restore_mem): New.
10527 (do_spill, do_restore): New.
10528 (ia64_expand_prologue): Rewrite to use them.
10529 (ia64_expand_epilogue): Likewise.
10530 (ia64_direct_return): Update for current_frame_info changes.
10531 (ia64_function_prologue): Simplify .prologue emission. Emit
10532 .spill when needed.
10533 (ia64_setup_incoming_varargs): Don't ever emit rtl.
10534 (ia64_dbx_register_number): New.
10535 (ia64_initialize_trampoline): New.
10536 (ia64_secondary_reload_class): Request GR_REGS for integer
10537 arithmetic destined for FR_REGS.
10538 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
10539 (ia64_mark_machine_status): Mark ia64_gp_save.
10540 (rws_access_regno): Rename from rws_access_reg; don't treat
10541 predicates specially.
10542 (rws_access_reg): New. Update all callers.
10543 (rtx_needs_barrier): Remove dead unspecs.
10544 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
10545 (ia64_encode_section_info): Silence signed/unsigned warnings.
10546 (spill_offset, sp_offset, spill_offset_emitted): Remove.
10547 (tmp_reg, tmp_saved): Remove.
10548 (process_set): Rewrite to expect complicated bits via
10549 REG_FRAME_RELATED_EXPR.
10550 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
10551 in the use of ar.ccv; never set RTX_UNCHANGING_P.
10552 (ia64_expand_op_and_fetch): Likewise.
10553 (ia64_expand_compare_and_swap): Likewise.
10554 (ia64_expand_builtin): Likewise.
10555 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
10556 (FIRST_PSEUDO_REGISTER): Update.
10557 (AR_M_REGNO_P): Update.
10558 (FIXED_REGS): Don't mark three local registers as used.
10559 (EXTRA_CC_MODES): New.
10560 (SELECT_CC_MODE): New.
10561 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
10562 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
10563 (FRAME_GROWS_DOWNWARD): Unset.
10564 (STARTING_FRAME_OFFSET): Zero.
10565 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
10566 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
10567 (HARD_FRAME_POINTER_REGNUM): New.
10568 (CAN_DEBUG_WITHOUT_FP): Define.
10569 (TRAMPOLINE_TEMPLATE): Remove.
10570 (TRAMPOLINE_SIZE): Lower to 32.
10571 (TRAMPOLINE_ALIGNMENT): Lower to 64.
10572 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
10573 (PREDICATE_CODES): Update.
10574 (struct machine_function): Add ia64_gp_save.
10575 * config/ia64/ia64.md: Purge unused unspecs.
10576 (movsi patterns): Allow moves to/from AR_M_REGS.
10577 (movdi patterns): Allow moves to/from p0.
10578 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
10579 (gr_spill, gr_restore): Indicate ar.unat read/written.
10580 (nonlocal_goto): Don't pass old frame_pointer.
10581 (nonlocal_goto_receiver): Remove.
10582 (exception_receiver): New.
10583 (builtin_setjmp_setup): New.
10584 (builtin_setjmp_receiver): New.
10585 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
10586 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
10587 (__ia64_restore_stack_nonlocal): Likewise.
10588 (__ia64_trampoline): New.
10589 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
10591 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
10593 2000-08-08 Richard Henderson <rth@cygnus.com>
10595 * frame.h (ia64_frame_state): Add my_psp.
10596 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
10597 (__throw): Pass it in. Don't clobber r7.
10598 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
10599 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
10600 and nothing to do with sp.
10601 (normalize_reg_loc): Use frame->my_psp.
10602 (frame_translate): Handle frame-pointer-less functions. Set
10603 spill_base correctly, in absence of being told.
10604 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
10605 (__ia64_backtrace_helper): New sp argument. Use
10606 builtin_return_address instead of label addresses.
10607 (print_record) [mem_stack_v]: No size member.
10609 2000-08-08 Richard Henderson <rth@cygnus.com>
10611 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
10613 2000-08-08 Richard Henderson <rth@cygnus.com>
10615 * tm.texi (LOCAL_REGNO): Document.
10616 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
10617 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
10618 * reload1.c (reload): Likewise when considering nonlocal labels.
10620 * config/ia64/ia64.h (LOCAL_REGNO): New.
10621 * config/sparc/sparc.h (LOCAL_REGNO): New.
10623 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10625 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
10627 2000-08-07 Nick Clifton <nickc@redhat.com>
10629 * config/mips/mips.c: Fix compile time warning messages.
10630 * config/mips/mips-protos.h: Add prototype for equality_op.
10632 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
10634 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
10636 * mn10300.md: Use nonimmediate_operand instead of general_operand
10637 on output operands.
10639 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
10641 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
10643 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
10644 * sh.c (expand_block_move): Break long lines.
10645 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
10646 * sh.md (mulsi3): Likewise.
10647 (movdi): Adjust spacing.
10649 2000-08-07 Richard Henderson <rth@cygnus.com>
10651 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
10652 * expr.c (emit_group_store): Don't set it.
10654 2000-08-07 Kazu Hirata <kazu@hxi.com>
10656 * invoke.texi (Options for Debugging Your Program or GCC): Remove
10657 duplicate entries for 'w' and 'z'.
10659 * flow.c: Fix a comment typo.
10661 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10663 * c-parse.in: Changed the language string for Objective-C to "GNU
10666 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10668 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
10669 to improve the Posix thread support for Objective-C.
10671 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
10673 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
10674 CTI_UNSIGNED_PTRDIFF_TYPE.
10675 (signed_size_type_node): Define.
10676 (unsigned_ptrdiff_type_node): Define.
10677 * c-decl.c (init_decl_processing): Create the
10678 signed_size_type_node and unsigned_ptrdiff_type_node types.
10679 * c-common.c (T_SC): Define.
10682 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
10683 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
10685 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
10686 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
10687 flags for %c, %s and %[.
10688 (check_format_info): Only allow leniency for signedness of targets
10689 of character pointers (when pedantic) for formats flagged with
10690 "c", so for strings but not for %hh formats. When pedantic, don't
10691 allow character pointers to substitute for void pointers if a
10692 second level of indirection is present.
10694 2000-08-06 Kazu Hirata <kazu@hxi.com>
10696 * invoke.texi (Options for Debugging Your Program or GCC): Update
10697 the names of dump files.
10699 * h8300.c (dosize): Rearrange code for conciseness.
10700 (split_adds_subs): Likewise.
10702 * loop.c: Fix formatting.
10704 * dwarf2out.c: Fix formatting.
10706 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
10708 * expr.c: Fix formatting.
10710 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10712 * rs6000.c (rs6000_maybe_dead): Prototype.
10714 2000-08-06 Richard Henderson <rth@cygnus.com>
10716 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
10717 HAVE_nonlocal_goto as well.
10718 * config/i960/i960.md (nonlocal_goto): Don't do it here.
10719 * config/pj/pj.md (nonlocal_goto): Likewise.
10721 2000-08-07 Michael Hayes <mhayes@cygnus.com>
10723 * loop.c (try_swap_copy_prop): New function.
10724 (load_mems): Rename copies to load_copies and add new regset
10725 store_copies. Check for sets of shadow registers and mark
10726 in store_copies. Call try_swap_copy_prop for registers
10727 marked in store_copies.
10729 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10731 * objc/objc-act.c: New command line option -fconstant-string-class
10732 to allow specifying a user defined constant string class,
10733 different from NXConstantString.
10735 * toplev.c: Moved the Objective-C specific options to
10736 objc/lang-options.h.
10738 * objc/lang-options.h: Moved the Objective-C specific options from
10739 toplev.c. Added -fconstant-string-class.
10741 2000-08-05 Chris Demetriou <cgd@sibyte.com>
10743 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10744 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
10745 __CTOR_LIST__ from func_ptr array to just func_ptr, to
10746 avoid extra alignment imposed on arrays.
10747 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10748 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
10750 * mips.h: Clean up comments and spacing near MASKs.
10751 (TARGET_UNIX_ASM): Delete.
10752 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
10753 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
10756 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
10758 * c-common.c (print_char_table): Add entries for the X/Open '
10759 format flag (print decimals with locale's thousands grouping
10760 character). Make %C expect wint_t.
10761 (check_format_info): If pedantic, warn when the %n$ operand
10762 number form is used. Allow for the ' flag; warn about it if
10765 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
10767 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
10768 type is a float mode, cfun->decl's return type is not, and
10769 TARGET_FLOAT_RETURNS_IN_80387.
10771 2000-08-04 Andreas Schwab <schwab@suse.de>
10773 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
10774 token list, which are always `#' and `pragma'.
10776 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
10778 * tree.c (tree_expr_nonnegative_p): Move to...
10779 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
10780 (rtl_expr_nonnegative_p): New.
10781 * tree.h: Add prototype for rtl_expr_nonnegative_p.
10783 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
10784 CONST_DOUBLE_CHAIN: Move to...
10785 * rtl.h: ...here. Use XCINT/XCEXP.
10787 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
10788 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
10789 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
10792 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
10794 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10796 * config/c4x/c4x.md (return_indirect_internal): New.
10797 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
10799 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10801 * c-common.c (time_char_table): Mark up formats added in C99 and
10802 make other corrections. %D and %g were added in C99. %Og is an
10803 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
10804 C99. %e was added in C99. %Oj is an extension. %G and %z are in
10805 C99 rather than GNU extensions, but %OG and %Oz are extensions.
10806 %h was added in C99. %C was added in C99. %OY and %OC are
10807 extensions. Add the C99 format %F.
10808 (check_format_info): If pedantic and not in C99 mode, warn for C99
10809 formats, %E and %O.
10811 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10813 * function.c (schedule_fixup_var_refs): New function, broken out
10814 of put_reg_into_stack.
10815 (put_reg_into_stack): Use it.
10816 (put_var_into_stack): In CONCAT case, fixup up references for
10817 components only after fixing up references to the whole concat.
10819 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
10821 * alias.c (mark_constant_function): Use INSN_P.
10822 (init_alias_analysis): Likewise.
10823 * combine.c (combine_instructions): Use INSN_P.
10824 (can_combine_p): Likewise.
10825 (try_combine): Likewise.
10826 (distribute_notes): Likewise.
10827 (distribute_links): Likewise.
10828 * cse.c (cse_around_loop): Use INSN_P.
10829 (invalidate_skipped_block): Likewise.
10830 (cse_set_around_loop): Likewise.
10831 (cse_end_of_basic_block): Likewise.
10832 (delete_trivially_dead_insns): Likewise.
10833 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
10834 (unshare_all_rtl_1): Likewise.
10835 (next_cc0_user): Likewise.
10836 (try_split make_insn_raw): Likewise.
10837 (remove_unnecessary_notes): Likewise.
10838 * final.c (shorten_branches): Use INSN_P.
10839 (leaf_renumber_regs): Likewise.
10840 (leaf_renumber_regs_insn): Likewise.
10841 * flow.c (find_label_refs): Use INSN_P.
10842 (verify_wide_reg): Likewise.
10843 (notice_stack_pointer_modification): Likewise.
10844 (count_or_remove_death_notes): Likewise.
10845 (verify_flow_info): Likewise.
10846 (clear_log_links): Likewise.
10847 * function.c (fixup_var_refs_insns): Use INSN_P.
10848 (compute_insns_for_mem): Likewise.
10849 * gcse.c (alloc_gcse_mem): Use INSN_P.
10850 (compute_sets): Likewise.
10851 (compute_hash_table): Likewise.
10852 (classic_gcse): Likewise.
10854 (insert_insn_end_bb): Likewise.
10855 (delete_null_pointer_checks_1): Likewise.
10856 * global.c (expand_preferences): Use INSN_P.
10857 (build_insn_chain): Likewise.
10858 * graph.c (node_data): Use INSN_P.
10859 * haifa-sched.c (priority): Use INSN_P.
10860 (rm_line_notes): Likewise.
10861 (rm_other_notes): Likewise.
10862 (find_insn_reg_weight): Likewise.
10863 (init_target_units): Likewise.
10864 (schedule_block): Likewise.
10865 (compute_block_forward_dependences): Likewise.
10866 (debug_dependencies): Likewise.
10867 (set_priorities): Likewise.
10868 * integrate.c (function_cannot_inline_p): Use INSN_P.
10869 (save_parm_insns): Likewise.
10870 (copy_insn_list): Likewise.
10871 * jump.c (mark_all_labels): Use INSN_P.
10872 (never_reached_warning): Likewise.
10873 * lcm.c (optimize_mode_switching): Use INSN_P.
10874 * local-alloc.c (validate_equiv_mem): Use INSN_P.
10875 (memref_used_between_p): Likewise.
10876 (update_equiv_regs): Likewise.
10877 (block_alloc): Likewise.
10878 (no_conflict_p): Likewise.
10879 * loop.c (scan_loop): Use INSN_P.
10880 (find_and_verify_loops): Likewise.
10881 (count_loop_regs_set): Likewise.
10882 (loop_reg_used_before_p): Likewise.
10883 (strength_reduce): Likewise.
10884 (recombine_givs): Likewise.
10885 (check_dbra_loop): Likewise.
10886 (load_mems): Likewise.
10887 (try_copy_prop): Likewise.
10888 * print-rtl.c (print_rtx): Use INSN_P.
10889 * recog.c (find_single_use): Use INSN_P.
10890 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
10891 (next_flags_user): Likewise.
10892 (swap_rtx_condition): Likewise.
10893 * regmove.c (mark_flags_life_zones): Use INSN_P.
10894 (optimize_reg_copy_1): Likewise.
10895 (optimize_reg_copy_2): Likewise.
10896 (optimize_reg_copy_3): Likewise.
10897 (reg_is_remote_constant_p): Likewise.
10898 (fixup_match_2): Likewise.
10899 (regmove_optimize): Likewise.
10900 (fixup_match_1): Likewise.
10901 * regrename.c (build_def_use): Use INSN_P.
10902 (replace_reg_in_block): Likewise.
10903 (consider_use): Likewise.
10904 * reload.c (find_equiv_reg): Use INSN_P.
10905 * reload1.c (reload): Use INSN_P.
10906 (maybe_fix_stack_asms): Likewise.
10907 (calculate_needs_all_insns): Likewise.
10908 (reload_as_needed): Likewise.
10909 (emit_output_reload_insns): Likewise.
10910 (delete_address_reloads_1): Likewise.
10911 (reload_cse_regs_1): Likewise.
10912 (reload_combine): Likewise.
10913 (reload_cse_move2add): Likewise.
10914 * reorg.c (redundant_insn): Use INSN_P.
10915 (dbr_schedule): Likewise.
10916 * resource.c (find_dead_or_set_registers): Use INSN_P.
10917 (mark_target_live_regs): Likewise.
10918 * rtlanal.c (reg_used_between_p): Use INSN_P.
10919 (reg_referenced_between_p): Likewise.
10920 (reg_set_between_p): Likewise.
10921 (reg_set_p): Likewise.
10922 (single_set): Likewise.
10923 (multiple_sets): Likewise.
10924 (find_last_value): Likewise.
10925 (reg_set_last): Likewise.
10926 (find_reg_note): Likewise.
10927 (find_regno_note): Likewise.
10928 * sibcall.c (sequence_uses_addressof): Use INSN_P.
10929 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
10930 * ssa.c (find_evaluations): Use INSN_P.
10931 (rename_block): Likewise.
10932 (rename_equivalent_regs): Likewise.
10933 * unroll.c (loop_find_equiv_value): Use INSN_P.
10934 (set_dominates_use): Likewise.
10935 * varasm.c (mark_constant_pool): Use INSN_P.
10936 (mark_constants): Likewise.
10937 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
10938 (alphaev4_next_group): Likewise.
10939 (alphaev5_next_group): Likewise.
10940 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
10941 (c4x_rptb_rpts_p): Likewise.
10942 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
10943 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
10944 (rs6000_adjust_priority): Likewise.
10945 * config/sh/sh.c (sh_loop_align): Use INSN_P.
10946 (machine_dependent_reorg): Likewise.
10947 (split_branches): Likewise.
10948 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
10950 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
10952 * combine.c (recog_for_combine): Remove the old notes
10953 prior to attempting to recognize the new pattern.
10954 (distribute_notes): Ignore REG_NONNEG notes.
10956 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
10958 * varasm.c (output_constructor): Add .align 0 for packed vars.
10960 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10962 * configure.in: Use default thread_file even when enable_threads is
10963 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
10964 * configure: Rebuilt.
10966 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
10968 2000-08-04 Donn Terry (donnte@microsoft.com)
10970 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
10972 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10974 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
10975 Delete code that conditionally modifies 'version'.
10976 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
10977 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
10978 * gcc.c (main): Use it.
10979 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
10980 * prefix.c (update_path): Use it.
10981 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
10982 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
10983 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
10985 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
10986 (SUBTARGET_SWITCHES): Adjust.
10987 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
10989 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
10991 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10993 * c-common.h (flag_isoc94): Declare.
10994 * c-decl.c (flag_isoc94): Define.
10995 (c_decode_option): Set flag_isoc94 as appropriate.
10996 * c-common.c (T_PD, T_IM, T_UIM): Define.
10997 (format_char_info): Add tlen and jlen.
10998 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
11000 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
11002 (time_char_table): Add NULL entries for %t and %j.
11003 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
11004 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
11005 Warn for printf %lf if pedantic and not C99. Don't warn for empty
11006 precision. Allow precision argument to be unsigned int. If
11007 pedantic, warn for %p passed an argument not a pointer to possibly
11008 qualified void or a possibly qualified character type, and for
11009 pointer targets of the wrong sign, except for character pointers.
11011 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11013 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
11014 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
11015 (wint_type_node): Define.
11016 * c-decl.c (WINT_TYPE): Define.
11017 (init_decl_processing): Create the wint_type_node type.
11018 * c-common.c (T_WI): Define.
11019 (print_char_table): Use T_WI for %lc format.
11021 2000-08-04 Bruce Korb <bkorb@gnu.org>
11023 * fixinc/: Verified that the MSDOS patch does not break
11024 the UNIX functionality and applied the next three patches
11027 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
11029 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
11030 output file with the temporary one by appending ".X" to generate
11031 the temporary fuile's name. If the output file already has an
11032 extension, replace it with ".X".
11034 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
11035 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
11036 reallocate the command buffer while copying the command-line
11037 argument. Redirect the output directly to the temporary file,
11038 instead of going through another temporary file.
11039 (process): Close the temporary file before unlinking it.
11040 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
11041 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
11042 (run_compiles): Pass p_fixd argument to machine_matches, as it
11045 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
11046 environment, assume there are no symlinks in the include
11047 directory. When cleaning up the DONE files, look for them
11048 case-insensitively. Don't try to remove symlinks if they aren't
11051 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
11052 all callers changed. Declare pz "const char *", to avoid compiler
11055 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
11056 Change prototype of make_raw_shell_str.
11058 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
11060 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
11061 (initialize) [__MSDOS__]: Use tempnam.
11062 (initialize): Don't use SIGPIPE if it is not defined.
11064 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
11067 2000-07-25 Bruce Korb <bkorb@gnu.org>
11069 * fixinc/fix*.[ch]: substantially reworked to make it possible
11070 to run this program without using fork(2) or pipe(2) (i.e. in
11071 a DOS environment).
11073 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11075 * cppdefault.h (WINT_TYPE): Define.
11076 * cppinit.c (builtin_array): Define __WINT_TYPE__.
11077 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
11078 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
11080 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
11082 * (mips_legitimate_address_p): Don't allow register+offset
11083 if the offset is large and negative, and we are compiling
11084 for 64 bit registers.
11086 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11088 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
11089 insn_code_number + 1.
11091 2000-08-04 Kazu Hirata <kazu@hxi.com>
11093 * h8300.c (function_prologue): Rearrange code for conciseness.
11094 (function_epilogue): Likewise.
11095 * h8300.h (OK_FOR_U): Fix formatting.
11097 * cse.c: Fix a comment typo. Fix formatting.
11099 2000-08-03 Richard Henderson <rth@cygnus.com>
11101 * config/i386/i386.md (return_indirect_internal): New.
11102 * config/i386/i386.c (ix86_expand_epilogue): Use it.
11104 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
11106 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
11108 (lex_line): Glue @ onto the beginning of identifiers and
11109 string constants, in Objective-C mode.
11110 (output_token, spell_token): Handle CPP_OSTRING.
11111 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
11112 beginning of a NAME or a STRING, in objc mode.
11114 * cpplib.c (get_define_node): Do not permit identifiers that
11115 begin with @ to be #defined.
11116 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
11117 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
11119 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
11120 * c-tree.h (build_objc_string): Delete prototype.
11121 * objc/objc-tree.def: Delete OBJC_STRING_CST.
11122 * c-lex.c (yylex): Use build_string for all three kinds of strings.
11124 * c-parse.in, objc/objc-act.c: Update commentary.
11126 2000-08-03 Mark Mitchell <mark@codesourcery.com>
11128 * extend.texi: Fix typo in last change.
11130 * extend.texi: Add commentary on statement-expressions and their
11131 interactions with C++.
11133 2000-08-03 Nick Clifton <nickc@cygnus.com>
11135 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
11136 * dwarf.h (LANG_JAVA): Change value to 0x000b.
11138 2000-08-03 Anthony Green <green@cygnus.com>
11140 * dwarf2out.c (gen_compile_unit_die): Add java language support.
11141 (add_bound_info): Check for java language.
11142 (is_java): New function.
11143 * dwarfout.c (output_compile_unit_die): Ditto.
11144 * dwarf.h (dwarf_source_language): Add java source language type.
11145 * dwarf2.h (dwarf_source_language): Ditto.
11147 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11149 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
11152 * i386.c (ix86_expand_branch): Mode of comparison in
11153 IF_THEN_ELSE is VOIDmode.
11155 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
11157 * gengenrtl.c, rtl.c: Avoid #elif.
11159 2000-08-03 Michael Poole <poole@troilus.org>
11161 * tm.texi (Register Classes): Clarify order of sub-initializers
11162 in REG_CLASS_CONTENTS.
11164 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11166 From SAITOH Masanobu:
11167 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
11169 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
11171 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
11172 is not supported by tradcpp and isn't actually needed for cygwin.
11174 2000-08-03 Kazu Hirata <kazu@hxi.com>
11176 * h8300.c: Fix a comment typo.
11177 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
11179 * jump.c: Fix formatting.
11181 * toplev.c: Fix formatting.
11183 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
11185 * flow.c (find_auto_inc): Verify that we've got a REG before
11186 peeking at its regno. Fail, don't abort if we can't find
11187 the increment of the desired register.
11189 * pa.md (shadd height reduction patterns/splitters): Remove.
11191 2000-08-02 Jim Wilson <wilson@cygnus.com>
11193 * config/ia64/ia64-protos.h (flag_ssa): Declare.
11194 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
11196 2000-08-02 Mark Mitchell <mark@codesourcery.com>
11198 * dce.c: Remove all uses of assert.
11199 * dwarf2out.c: Likewise.
11200 * dwarfout.c: Likewise.
11203 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11205 * gcc.h (lang_specific_driver): Constify second argument.
11206 * gcc.c (translate_options, process_command, main): Likewise.
11207 Constify variables to match. Cast second argument to
11210 * cppspec.c, gccspec.c: Adjust type of second argument to
11211 lang_specific_driver, and update code as necessary.
11213 2000-08-02 Jakub Jelinek <jakub@redhat.com>
11215 * loop.c (scan_loop): Ensure update_end label does not
11216 go away until reg_scan_update is run.
11218 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11220 * c-common.h: Prototype min_precision and c_build_qualified_type here...
11221 * c-tree.h: ... not here.
11222 * errors.h: Prototype fancy_abort.
11224 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
11225 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
11226 * regrename.c (regrename_optimize): Make control flow explicit.
11227 (replace_reg_in_block): Initialize reg_use to 0.
11229 * i386.c (legitimate_address_p): Rename error label to
11230 report_error to avoid namespace clash.
11232 2000-08-02 Kazu Hirata <kazu@hxi.com>
11234 * fold-const.c: Fix formatting.
11236 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
11238 * i386.c (legitimate_address_p): Accept other bases than
11239 pic_offset_table_rtx for GOTOFF constructs.
11241 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11243 * i386.md (shift to lea splitter): Use const_int_operand.
11245 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11247 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
11248 cppspec.c: Do not use 'legal' or 'illegal' in error messages
11251 * cppmain.c (cb_define, cb_undef): Don't generate any output
11252 if not done_initializing.
11253 * cpplex.c (maybe_paste_with_next): When the token after a ##
11254 is an omitted rest argument, only delete the token before it
11255 if that token is a comma. Do not warn about bogus token
11256 pastes for , ## rest_arg.
11258 * cpp.texi: Update.
11259 * cpp.1: Regenerate.
11261 2000-08-02 Fred Fish <fnf@be.com>
11263 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
11264 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
11267 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
11268 Be directories to search path.
11270 Remove support for __declspec(dllimport) and __declspec(dllexport).
11271 This is leftover cruft from the earlier BeOS gcc port when BeOS
11272 used Microsoft's PE object file format.
11273 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
11274 * config/i386/t-beos (winnt.o): Remove Makefile frag.
11275 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
11276 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
11277 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
11278 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
11279 (REDO_SECTION_INFO_P): Remove.
11280 (ASM_EXPORT_DECL): Remove.
11281 (ASM_DECLARE_FUNCTION_NAME): Remove.
11282 (ASM_DECLARE_OBJECT_NAME): Remove.
11283 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
11284 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
11285 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
11286 (STRIP_NAME_ENCODING): Remove.
11288 Remove support for obsolete version of BeOS that is no longer
11290 * configure.in (i*86-*-beospe*): Remove.
11291 * config/i386/beos-pe.h: Remove.
11293 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
11294 Mark Mitchell <mark@codesourcery.com>
11296 * Makefile.in (OBJS): Added dce.o.
11297 (ssa.o): Updated target to include ssa.h.
11298 (flow.o): Likewise.
11299 (toplev.o): Likewise.
11300 (dce.o): Created target.
11301 * basic-block.h: Added comments.
11302 (INVALID_BLOCK): Added definition.
11303 (connect_infinite_loops_to_exit): Added declaration.
11304 Moved SSA declarations to ssa.h.
11305 * flow.c: Added inclusion of ssa.h.
11306 (struct depth_first_search_dsS, depth_first_search_ds):
11308 (compute_immediate_postdominators): Added definition.
11309 (connect_infinite_loops_to_exit): Likewise.
11310 (flow_dfs_compute_reverse_init): Likewise.
11311 (flow_dfs_compute_reverse_add_bb): Likewise.
11312 (flow_dfs_compute_reverse_execute): Likewise.
11313 (flow_dfs_compute_reverse_finish): Likewise.
11314 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
11315 (LABEL_P): Added definition.
11316 (JUMP_P): Likewise.
11317 (NOTE_P): Likewise.
11318 (BARRIER_P): Likewise.
11319 (JUMP_TABLE_DATA_P): Likewise.
11320 (INSN_DEAD_CODE_P): Likewise.
11321 * ssa.c: Replaced inclusions with ssa.h inclusion.
11322 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
11323 (rename_registers): Removed unnecessary variables.
11324 * ssa.h: Created by moving declarations from ssa.c and
11326 * timevar.def: Defined TV_DEAD_CODE_ELIM.
11327 * toplev.c: Added ssa.h inclusion.
11328 (dump_file_index): Added DFI_dce.
11329 (dump_file): Added "dce" entry.
11331 (f_options): Added dce entry.
11332 * invoke.texi: Document -fdce. Emphasize experimental status of
11336 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
11338 * cpperror.c (v_message): Split into _cpp_begin_message and
11339 v_message macro. All callers updated.
11340 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
11343 * cppfiles.c (cpp_syshdr_flags): New function.
11344 (read_include_file): Don't call cpp_output_tokens. Call
11346 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
11347 (cpp_reader_init): Don't initialize token_buffer. Call
11348 _cpp_init_internal_pragmas.
11349 (cpp_cleanup): Don't clear token_buffer.
11350 (cpp_start_read): Don't worry about output from -D processing.
11351 Don't call cpp_output_tokens.
11352 (cpp_finish): Don't dump macros here. Don't call
11354 * cppmacro.c (_cpp_dump_definition): Rename
11355 cpp_dump_definition. Write directly to a FILE *.
11356 (dump_funlike_macro): Delete.
11357 (dump_macro_args): New.
11359 * cpplex.c (TOKEN_LEN): Convert to inline function.
11360 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
11361 cpp_scan_line, _cpp_dump_list): Delete.
11362 (cpp_printf, cpp_output_list): New.
11363 (output_line_command): Don't worry about entering or leaving files.
11364 (cpp_scan_buffer): Just output each token as we hit it.
11365 (process_directive): Don't call cpp_output_tokens.
11366 (_cpp_glue_header_name): Don't use token_buffer.
11367 (output_token, dump_param_spelling): Write directly to a FILE *.
11369 * cpplib.c (pass_thru_directive, dump_macro_name,
11370 pragma_dispatch, do_pragma_gcc): Delete.
11371 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
11372 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
11374 (do_error, do_warning, pragma_dependency): Call
11375 _cpp_begin_message, then cpp_output_list.
11376 (cpp_register_pragma, cpp_register_pragma_space,
11377 _cpp_init_internal_pragmas): New.
11378 (do_pragma): Walk the pragmas table here.
11379 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
11380 do_pragma_dependency): Return void.
11381 (do_pragma_implementation): Moved to cppmain.c.
11383 * cpplib.h: Update prototypes.
11384 (struct cpp_reader): Remove printer, token_buffer,
11385 token_buffer_size, and limit. Add struct cb, and pragmas.
11386 (struct cpp_printer): Remove last_id and written.
11387 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
11388 CPP_ADJUST_WRITTEN): Delete.
11389 * cpphash.h: Update prototypes.
11390 (ufputs): New wrapper.
11392 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
11393 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
11394 (main): Set up callbacks. Register #pragma implementation.
11395 Dump macros from here.
11397 2000-08-01 Geoff Keating <geoffk@cygnus.com>
11399 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
11400 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
11401 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
11402 insns if they have a REG_MAYBE_DEAD note attached.
11403 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
11404 (rs6000_emit_load_toc_table): TOC loads may go dead.
11406 2000-08-01 Jim Wilson <wilson@cygnus.com>
11408 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
11409 type exists before using it. Use number of words as alignment
11411 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
11412 ia64_va_arg): Propagate ia64_function_args changes here.
11414 2000-08-01 Richard Henderson <rth@cygnus.com>
11416 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
11417 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
11419 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
11421 From Joern Rennecke:
11422 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
11423 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
11424 unless TARGET_SH3E is set.
11425 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
11427 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
11428 (ashlsi3_std): New pattern.
11429 (ashlsi3 expander): Use it for TARGET_SH3.
11430 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
11432 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11434 * loop.c (canonicalize_condition): Use destination, not source to
11435 determine SET's mode.
11437 2000-07-31 Mark Mitchell <mark@codesourcery.com>
11439 * flow.c (clear_log_links): Fix typo.
11441 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
11443 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
11444 on targets which need more than one insn for a compare/cbranch
11447 2000-07-31 Jim Wilson <wilson@cygnus.com>
11449 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
11450 when computing offset.
11452 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
11454 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
11456 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11458 * flow.c (clear_log_links): Nuke global_live_at_start and
11459 global_live_at_end data, since if the log_links stuff is invalid
11460 so is global_live_at_*.
11462 2000-07-31 Richard Henderson <rth@cygnus.com>
11464 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
11466 2000-07-31 Jakub Jelinek <jakub@redhat.com>
11468 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
11469 (_cpp_get_token): Don't macro expand a just pasted token if it
11470 was pasted at no_expand_level.
11472 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11474 * cppmacro.c (find_param, count_params, save_expansion):
11475 Permit 'defined' as a macro parameter name.
11477 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11479 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
11480 xcpp to cpp throughout.
11481 (native): Remove unnecessary dependency on cpp.
11483 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
11484 tradcpp to tradcpp0.
11485 (.i spec): Add missing output-file spec to cc1 command line.
11486 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
11488 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11490 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
11491 (implicit_decl_warning): New function.
11492 (implicitly_declare): Use it.
11493 * c-typeck.c (build_external_ref): Use implicit_decl_warning
11494 to complain about implicit decls of builtins.
11496 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
11497 based on pedantic && flag_isoc99, if not already set.
11498 * c-tree.h: Declare mesg_implicit_function_declaration.
11499 Prototype implicit_decl_warning.
11501 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
11503 * Makefile.in (ssa.o): Updated header files in dependences.
11504 * basic-block.h: Added compute_immediate_postdominators declaration.
11505 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
11507 * flow.c (compute_immediate_dominators): Updated comment.
11508 (compute_immediate_postdominators): Added definition.
11509 * rtl.h (HARD_REGISTER_P): Added definition.
11510 * ssa.c: Include additional header files.
11511 (assert): Added definition.
11512 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
11513 include select hard registers.
11514 (ssa_rename_to_insert): Likewise.
11515 (ssa_rename_from_initialize): Likewise.
11516 (ssa_rename_from_lookup): Likewise.
11517 (original_register): Likewise.
11518 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
11519 include select hard reigsters.
11520 (ssa_rename_from_traverse): Likewise.
11521 (ssa_rename_from_free): Likewise.
11522 (ssa_rename_from_print): Likewise.
11523 (ssa_rename_from_print_1): Likewise.
11524 (ssa_rename_from_hash_function): Likewise.
11525 (ssa_rename_from_equal): Likewise.
11526 (ssa_rename_from_delete): Likewise.
11527 (simplify_to_immediate_dominators): Removed in favor of
11528 flow.c:compute_immediate_dominators.
11529 (find_evaluations_1): Modified to work with hard registers.
11530 (insert_phi_node): Likewise.
11531 (insert_phi_nodes): Likewise.
11532 (struct rename_set_data): Updated prev_reg comment.
11533 (create_delayed_rename): Modified to work with hard registers.
11534 (RENAME_NO_RTX): Updated comment.
11535 (apply_delayed_renames): Modified to work with hard registers.
11536 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
11537 (rename_block): Updated to use revised ssa_rename_to interface.
11538 (rename_registers): Updated to use revised ssa_rename_to and
11539 ssa_rename_from interface.
11540 (convert_to_ssa): Revised to use compute_immediate_dominators and
11541 deal with hard registers.
11542 (make_regs_equivalent_over_bad_edges): Modified to work with hard
11543 registers. Added check for illegal unification of hard register.
11544 (make_equivalent_phi_alternatives_equivalent): Modified to work
11545 with hard registers.
11546 (compute_conservative_reg_partition): Likewise.
11547 (coalesce_if_unconflicting): Modified to work with hard registers
11548 and check for conflicting hard registers.
11549 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
11551 (rename_equivalent_regs_in_insn): Modified to work with hard
11553 (record_canonical_element_1): Added definition.
11554 (check_hard_regs_in_partition): Added definition.
11555 (convert_from_ssa): Added data structure deallocation and check
11556 for illegal hard register unification.
11557 (conflict_hard_regs_p): Added definition.
11558 * toplev.c (rest_of_compilation): Added comment.
11560 2000-07-31 Anthony Green <green@redhat.com>
11562 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
11564 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
11566 * builtins.c (expand_builtin_apply): Don't defer pop during
11569 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11571 * calls.c (combine_pending_stack_adjustment_and_call): Only use
11572 preferred_unit_stack_boundary when it is > 1.
11574 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
11576 * c-common.c (init_function_format_info): Add C99 format functions
11579 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
11580 void' or 'register void' as being the special case of 'void' alone
11581 in a parameter list.
11583 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
11584 discarding qualifiers into a plain warning.
11586 2000-07-31 Kazu Hirata <kazu@hxi.com>
11588 * combine.c: Fix formatting.
11590 * h8300.md: Fix formatting.
11592 * local-alloc.c: Fix formatting.
11594 * h8300.c (get_shift_alg): Remove the variable alg.
11595 (emit_a_shift): Rearrange code to improve readability.
11597 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
11599 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
11600 HImode on all architectures and a combination of HImode and SImode
11601 on H8/300H and H8/S.
11603 * h8300.c (split_adds_subs): Rearrange code for conciseness.
11605 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
11607 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
11608 in my last checkin.
11610 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
11612 * recog.c (extract_insn): Set operand_mode according to
11613 operand if match_operand is VOIDmode.
11615 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
11617 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
11619 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11621 * c-parse.in (extdefs): Call ggc_collect between external
11624 2000-07-30 Michael Hayes <mhayes@cygnus.com>
11625 Richard Henderson <rth@cygnus.com>
11627 * Makefile.in (OBJS): Add doloop.o.
11628 * doloop.c: New file.
11630 * final.c (insn_current_reference_address): Return 0 before final.
11631 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
11632 * jump.c (any_uncondjump_p): Likewise.
11633 * loop.c (indirect_jump_in_function): Make static.
11634 (strength_reduce): Call doloop_optimize.
11635 (insert_bct, instrument_loop_bct): Remove.
11636 * loop.h (doloop_optimize): Prototype.
11637 * recog.c (split_all_insns): Split all INSN_P.
11638 * toplev.c (flag_branch_on_count_reg): Default on.
11640 * config/c4x/c4x.c (c4x_optimization_options): Don't set
11641 flag_branch_on_count_reg.
11642 * config/i386/i386.c (override_options): Likewise.
11643 * config/rs6000/rs6000.c (optimization_options): Likewise.
11645 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
11647 (dbra_ge): Remove, as well as all it's splitters.
11649 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
11652 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
11653 (ia64_register_move_cost): Declare.
11654 * config/ia64/ia64.c (ar_lc_reg_operand): New.
11655 (struct ia64_frame_info): Add ar_size.
11656 (ia64_compute_frame_size): Set it.
11657 (save_restore_insns): Save and restore ar.lc.
11658 (ia64_register_move_cost): New, moved from header file. Handle
11659 application registers.
11660 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
11661 (emit_insn_group_barriers): Special case doloop_end_internal.
11662 (ia64_epilogue_uses): Mark ar.lc live at end.
11663 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
11664 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
11665 (FIRST_PSEUDO_REGISTER): Make room.
11666 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
11667 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
11668 (REG_ALLOC_ORDER): Update.
11669 (HARD_REGNO_MODE_OK): Update.
11670 (REGISTER_NAMES): Update.
11671 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
11672 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
11673 (REGNO_REG_CLASS): Update.
11674 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
11675 (REGISTER_MOVE_COST): Move out of line.
11676 (PREDICATE_CODES): Update.
11677 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
11678 (addsi3_plus1_alt, adddi3_plus1_alt): New.
11679 (shladd_elim splitter): Allow constants in the predicate.
11680 (doloop_end, doloop_end_internal): New.
11682 2000-07-30 Richard Henderson <rth@cygnus.com>
11684 * genattrtab.c (struct insn_def): Add lineno member.
11685 (struct insn_ent): Likewise.
11686 (struct attr_desc): Likewise.
11687 (struct delay_desc): Likewise.
11688 (struct function_unit_op): Likewise.
11689 (struct function_unit): Likewise.
11690 (check_attr_value): Use message_with_line.
11691 (check_defs): Likewise.
11692 (expand_units): Likewise.
11693 (check_attr_test): Take a lineno argument.
11694 (gen_attr): Likewise.
11695 (gen_insn): Likewise.
11696 (gen_delay): Likewise.
11697 (gen_unit): Likewise.
11698 (main): Give it to them.
11699 (convert_set_attr_alternative): Take an insn_def argument
11700 instead of num_alt and insn_index.
11701 (convert_set_attr): Likewise.
11702 (write_test_expr): Protect INSN_ADDRESSES load
11703 with INSN_ADDRESSES_SET_P.
11705 2000-07-30 Richard Henderson <rth@cygnus.com>
11707 * flow.c (init_propagate_block_info): Use pc_set.
11709 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11711 * i386.md (*lea_general_[123]) New insns and splits.
11712 (addsi3 to lea splitter): Handle other modes too.
11713 (shlsi3 to lea splitter): Likewise.
11714 (addhi_1_lea, shlhi_1_lea): New patterns.
11715 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
11717 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11719 * recog.c (general_operand, nonimmediate_operand): Accept
11720 any mode for VOIDmode CONSTANT_P operands.
11722 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11724 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
11725 instead of replace_rtx.
11726 * recog.c (validate_replace_rtx_subexp): New function.
11727 * recog.h (validate_replace_rtx_subexp): Declare.
11729 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11731 * combine.c (simplify_set, make_extraction, make_compound_operation
11732 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
11733 as force_to_mode argument.
11735 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
11737 * combine.c (if_then_else_cond): Be sure that mode fits in
11740 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
11742 * combine.c (record_promoted_value): Allow bitsize of mode
11743 to be equivalent to HOST_BITS_PER_WISE_INT.
11745 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11747 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
11748 Do not call gen_mode_alignment when mode is BLKmode.
11750 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
11752 * loop.c (express_from_1): Fix call of simplify_gen_binary.
11754 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
11756 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
11757 VOIDmode implies both operands to be VOIDmode.
11758 (simplify_ternary_operation): Compute properly the mode of comparison.
11759 * combine.c (combine_simplify_rtx): Likewise.
11761 2000-07-25 Michael Hayes <mph@paradise.net.nz>
11763 * basic-block.h (struct loops): New field rc_order.
11764 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
11765 (flow_loops_free): Free rc_order.
11766 (flow_depth_first_order_compute): New parameter rc_order.
11767 (flow_loops_find): Allocate rc_order and swap usage with
11770 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11771 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11773 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
11774 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
11775 (nodb_call, return_from_epilogue): Likewise.
11776 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
11777 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
11778 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
11779 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11780 (c4x_valid_type_attribute_p): Likewise.
11781 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
11782 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
11784 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11786 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
11787 and loadhi_big_constant if applicable.
11788 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
11789 and add new splitter.s
11791 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11793 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
11795 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11797 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
11799 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11801 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
11803 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11805 * config/c4x/libgcc.S (divqf3): Improve accuracy.
11807 2000-07-27 Mark Mitchell <mark@codesourcery.com>
11809 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
11810 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
11811 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
11812 (get_prev_bb_note): Likewise.
11813 (remove_scope_notes): Likewise.
11814 * flow.c (commit_one_edge_insertion): Likewise.
11815 (merge_blocks_nomove): Likewise.
11816 (verify_flow_info): Likewise.
11817 * gcse.c (insert_insn_end_bb): Likewise.
11818 * reg-stack.c (emit_swap_insn): Likewise.
11819 * ssa.c (first_insn_after_basic_block_note): New function.
11820 (insert_phi_node): Use it.
11821 (rename_block): Likewise.
11822 (eliminate_phi): Likewise.
11823 (make_regs_equivalent_over_bad_edges): Likewise.
11824 (make_equivalent_phi_alternatives_equivalent): Likewise.
11825 (for_each_successor_phi): Likewise.
11826 (convert_from_ssa): Modify phi-node deletion algorithm.
11828 2000-07-29 Andreas Jaeger <aj@suse.de>
11830 * configure.in (mips*-*-linux*): Use mips*el to check for little
11831 endian MIPS, add tmake_file.
11833 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
11834 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
11835 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
11837 2000-07-28 Richard Henderson <rth@cygnus.com>
11839 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
11840 Sign extend mode size before negating.
11842 2000-07-28 Richard Henderson <rth@cygnus.com>
11844 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
11846 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
11848 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
11849 (cse_insn): Likewise.
11850 (addr_affects_sp_p): Likewise.
11851 * expr.c (move_by_pieces): Likewise.
11852 (clear_by_pieces): Likewise.
11853 * gcse.c (oprs_unchanged_p): Likewise.
11854 * haifa-sched.c (sched_analyze_2): Likewise.
11855 * recog.c (offsettable_address_p): Likewise.
11856 * regclass.c (record_address_regs): Likewise.
11857 * reload.c (find_reusable_reload): Likewise.
11858 (push_reload): Likewise.
11859 (operands_match_p): Likewise.
11860 (decompose): Likewise.
11861 (find_reloads_address_1): Likewise.
11862 (find_inc_amount): Likewise.
11863 * reload1.c (elimination_effects): Likewise.
11864 * resource.c (mark_set_resources): Likewise.
11865 * flow.c (attempt_auto_inc): New function; mostly broken out
11867 (find_auto_inc): Split into two functions and enhanced to
11868 generate POST_MODIFY.
11869 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
11870 * rtl.h (count_all_occurrences): Declare.
11871 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
11873 * rtlanal.c (count_all_occurrences): New function.
11874 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
11875 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
11877 * config/ia64/ia64-protos.h (destination_operand): Declare.
11878 * config/ia64/ia64.c (destination_operand): New function.
11879 (ia64_print_operand): Handle POST_MODIFY.
11880 (rtx_needs_barrier): Likewise.
11881 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
11882 (HAVE_POST_MODIFY_REG): Define to 1.
11883 (MAX_REGS_PER_ADDRESS): Change to 2.
11884 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
11885 (LEGITIMATE_ADDRESS_REG): New helper macro.
11886 (LEGITIMATE_ADDRESS_DISP): Likewise.
11887 (PREDICATE_CODES): Add entry for destination_operand.
11888 * config/ia64/ia64.md (all mov patterns): Use destination_operand
11889 predicate for operand 0.
11891 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11893 * dwarf2out.c: Indent #error directive.
11895 * gbl-ctors.h: Fix typo in comment.
11896 (__do_global_ctors): Prototype.
11898 * gcse.c (record_one_set, pre_delete): Remove unused variables.
11900 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
11901 (print_operand): Initialize variable `t'.
11903 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
11905 * config/arm/arm.md ("call_value"): removed constraints.
11906 Constraints are ignored in expanders.
11907 (*call_value_reg): split =rf into various constraints.
11908 (*call_value_mem): same
11909 (*call_value_symbol): same
11910 (*sibcall_value_insn): same
11912 2000-07-28 Philipp Thomas <pthomas@suse.de>
11914 * install.texi (--enable-nls): Change the description of the NLS
11915 related configure options to match the current state.
11916 (--with-included-gettext): Likewise.
11917 (--enable-maintainer-mode): New description added.
11918 * extend.texi (-fstrict-prototype): Add missing '.'.
11920 2000-07-27 Jim Wilson <wilson@cygnus.com>
11922 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
11923 DECL_INITIAL (decl) == NULL_TREE.
11925 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
11927 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
11928 on insn-attr.h with it.
11929 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
11930 * insn-addr.h: New header.
11931 (insn_addresses_): Renamed from insn_addresses.
11932 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
11933 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
11934 INSN_ADDRESSES_NEW): New macros.
11935 * genattrtab.c (write_test_expr): Use new macros.
11936 * final.c (insn_addresses, init_insn_lengths): Likewise.
11937 (align_fuzz, shorten_branches): Likewise.
11938 (final): Likewise. Do not reject new insns if their addresses
11939 have been added to INSN_ADDRESSES.
11940 * config/arm/arm.c, config/avr/avr.c: Use new macros.
11941 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
11942 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
11943 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
11944 * config/sh/sh.c: Likewise.
11945 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
11947 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
11949 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
11951 * gcc.c (struct prefix_list): Add member priority.
11952 (enum path_prefix_priority): Declare.
11953 (add_prefix): Replace ``first'' with ``priority''. Append new
11954 entry but keep list in priority order.
11955 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
11956 PREFIX_PRIORITY_LAST to add_prefix.
11957 (process_command): Move include kludge - foo/stageN - to before
11960 2000-07-27 Jason Merrill <jason@redhat.com>
11962 * dwarf2out.c (gen_typedef_die): Abort if we get identical
11963 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
11965 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
11967 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
11968 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
11970 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
11972 * c-decl.c (finish_function): Don't treat 'main' specially unless
11973 flag_hosted. In C99 mode, return 0 from 'main' unless
11974 DEFAULT_MAIN_RETURN is otherwise defined.
11976 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
11977 parameters defaulting to int in an old-style function definition.
11979 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11981 * c-parse.in (string): For -Wtraditional, warn about string
11982 concatenation only once per line.
11984 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
11986 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
11987 for HI-UX/WE2 systems.
11989 2000-07-24 Bruce Korb <bkorb@gnu.org>
11991 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
11992 defining the __xxx_TYPE__ macros.
11993 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
11994 * fixincl/fixlib.h: don't need to include "tm.h" anymore
11995 * fixincl/inclhack.def(type_map): now obsolete
11997 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
11999 * cpp.texi: Append a trailing full-stop to xrefs where needed.
12001 2000-07-26 Dave Pitts <dpitts@cozx.com>
12003 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
12005 (mvs_hash_alias): New function.
12006 (mvs_add_alias): Change argument spacing.
12007 (mvs_need_alias): Change aliasing criteria. Added documentation.
12008 (mvs_get_alias): Change to use hashed name. The hashed name prevents
12009 CSECT name collisions.
12010 (mvs_check_alias): Likewise.
12011 (handle_pragma): Change documentation.
12012 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
12013 mode from SImode to DImode.
12014 (iorhi3): Changed LTORG size for insn.
12016 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
12018 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
12019 mem if the address is a mode_dependent_address_p.
12021 2000-07-26 Kazu Hirata <kazu@hxi.com>
12023 * h8300.c (print_operand): Print ":8" when the 'R' operand is
12024 suitable for 8-bit absolute.
12025 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
12026 (OK_FOR_U): Add a case for the 8-bit constant address on the
12029 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
12031 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
12032 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
12033 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
12034 lack of implemented alignment.
12036 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
12038 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
12039 cross-compiling between 64-bit and 32-bit machines.
12041 2000-07-27 Richard Henderson <rth@cygnus.com>
12043 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
12044 (movhicc_astep, movhi_internal_astep): New.
12045 (movsicc_astep, movsi_internal_astep): New.
12046 (movdicc_astep, movdi_internal_astep): New.
12047 (movsfcc_astep, movsf_internal_astep): New.
12048 (movdfcc_astep, movdf_internal_astep): New.
12049 (movxfcc_astep, movxf_internal_astep): New.
12050 (cmovdi_internal_astep, cmovsi_internal_astep): New.
12051 Unify the cmov[ds]i splitters.
12053 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
12055 * real.c (asctoeg): Rename `error' label to unexpected_char_error
12057 2000-07-26 Nick Clifton <nickc@cygnus.com>
12059 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
12060 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
12062 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
12063 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
12065 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
12067 * c-decl.c (finish_enum): Convert enumerations that fit in an
12069 (build_enumerator): In pedantic mode, cast to `int' those that
12072 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
12074 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
12076 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12078 * sh.md (cmpgtdi_t): Must be split.
12079 (cmpgtdi_t+1): New splitter.
12081 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12083 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
12084 warnings for indented directives even if we are skipping.
12086 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
12088 * invoke.texi (strict-prototypes): Remove.
12089 * extend.texi (Deprecated Features): Add strict-prototypes.
12090 (Backwards Compatibility): New node.
12092 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12094 * config/i386/i386.md (andsi_1+1): Allow HImode.
12095 (andsi_1+2): Require q_regs_operand.
12097 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12099 * config/i386/i386.md (call_pop): Check operands[0],
12100 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12102 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12103 (call_value): Likewise.
12105 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12107 * toplev.c (pipe_closed): Delete.
12108 (crash_signal): New. Generate ICE for a fatal signal.
12109 (float_signal): Call crash_signal outside a float-handler
12111 (main): Install crash_signal as handler for core-dumping signals.
12113 2000-07-25 David Edelsohn <edelsohn@gnu.org>
12115 * rs6000.c (print_operand, case 'T'): New case.
12117 * rs6000.md (call_indirect_aix32): Convert to expander of
12118 scheduled instructions.
12119 (call_indirect_aix64): Likewise.
12120 (call_value_indirect_aix{32,64}): Likewise.
12121 (call, call_value): Invoke expanders for AIX. Fall through to
12123 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
12124 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
12125 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
12126 only "g" constraint.
12127 (call_nonlocal_aix64): Likewise.
12128 (call_value_nonlocal_aix{32,64}): Likewise.
12129 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
12131 (call_value_nonlocal_sysv): New pattern.
12132 (indirect_jump{si,di}): Use new 'T' modifier.
12133 (tablejump{si,di} matchers): Likewise.
12134 (return_internal_{si,di}): Likewise.
12135 (return_eh_{si,di}): Likewise.
12137 2000-07-24 Richard Henderson <rth@cygnus.com>
12139 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
12140 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
12141 * config/ia64/ia64.md (movdi_internal): Use it.
12143 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
12145 * cppexp.c: Warn about unary + if -Wtraditional.
12146 * cpplex.c (lex_line): Always set BOL on the first token of a line.
12148 2000-07-24 Michael Meissner <meissner@redhat.com>
12150 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
12153 2000-07-24 Nick Clifton <nickc@cygnus.com>
12155 * config/arm/arm.c (emit_multi_reg_push): Generate a
12156 REG_FRAME_RELEATED_NOTE that is compatable with the code in
12157 dwarf2out_debug_frame_expr.
12159 2000-07-24 Jason Merrill <jason@redhat.com>
12161 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
12162 UNALIGNED_INT_ASM_OP.
12163 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
12164 a location expression.
12165 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
12166 assume indirect access if we're saving the CFA address exactly.
12168 * Makefile.in (bootstrap): Move -BstageN/ to the end.
12170 2000-07-24 Jakub Jelinek <jakub@redhat.com>
12172 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
12175 2000-07-24 Michael Meissner <meissner@redhat.com>
12177 * invoke.texi (D30V Options): Add d30v options.
12179 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
12181 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
12182 needed by our gcse pass anymore.
12183 (free_pre_mem): Corresponding changes.
12184 (compute_pre_data): Do not call compute_transpout anymore.
12186 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
12187 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
12190 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
12191 (compute_pre_data): Do it here instead.
12193 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
12195 (pre_delete): Corresponding changes.
12197 2000-07-23 Mark Mitchell <mark@codesourcery.com>
12199 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
12200 to figure out whether or not a variable has already been emitted.
12202 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
12204 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
12205 instead of gen_call.
12207 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
12209 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
12211 2000-07-23 Kazu Hirata <kazu@hxi.com>
12213 * h8300.c: Fix formatting.
12215 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
12217 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
12218 for `long' switch expression into a plain warning.
12220 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
12221 (yylex): Don't pedwarn for "inline" in C99 mode.
12223 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
12225 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
12226 ggc_alloc): Likewise.
12227 * bb-reorder.c (dump_scope_forest_1): Likewise.
12229 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
12231 * reload.c (find_reloads_toplev): Add new parameter
12232 "address_reloaded".
12233 (find_reloads): Add new parameter to find_reloads_toplev calls.
12235 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
12237 * collect2.c (main): Typo fixed.
12238 * diagnostic.c: Typo fixed.
12239 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
12240 * eh-common.h: Typo fixed.
12241 * emit-rtl.c (start_sequence): Typo fixed.
12242 * flow.c (find_label_refs): Typo fixed.
12243 (calculate_global_regs_live): Typo fixed.
12244 (mark_regno_cond_dead): Typo fixed.
12245 (create_edge_list): Typos fixed.
12246 (verify_edge_list): Typo fixed.
12247 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
12248 * loop.c (strength_reduce): Typo in function name fixed.
12249 * rtl.h: Added comments. Typo in function name fixed.
12250 * rtlanal.c: Typo in function name fixed.
12251 (insn_dependant_p): Rename to ...
12252 (insn_dependent_p): ... this.
12253 (computed_jumo_p): Typo fixed.
12255 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12257 * system.h (__FUNCTION__): Wrap definition in #ifndef.
12259 2000-07-21 David Edelsohn <edelsohn@gnu.org>
12261 * rs6000.h (SIZE_TYPE): Define.
12263 2000-07-21 Mark Mitchell <mark@codesourcery.com>
12265 * ssa.c (rename_insn_1): Don't rename registers that are
12268 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
12270 * diagnostic.c (trim_filename, fancy_abort): Moved here from
12272 (fatal_function, set_fatal_function): Removed.
12273 (fatal): Don't prepare for or call the fatal_function.
12274 (diagnostic_lock, error_recursion): New.
12275 (diagnostic_for_decl, report_diagnostic): Guard against
12276 re-entering the error reporting routines.
12277 (fancy_abort): Assume function is not NULL.
12279 * errors.c (fancy_abort): New. Assume function is not NULL.
12280 * tradcpp.c (fancy_abort): Assume function is not NULL.
12282 * system.h: Provide default definition of __FUNCTION__.
12283 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
12284 Always use __FUNCTION__ in definition of abort.
12285 * tree.h: Likewise.
12286 * varray.h: Likewise.
12287 * toplev.h: Likewise. Don't prototype set_fatal_function.
12289 2000-07-20 Geoff Keating <geoffk@cygnus.com>
12291 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
12293 * glimits.h: Don't do #if defined for ARCH_PPC.
12295 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
12296 constants of size no larger than a pointer should go in the TOC.
12297 Add 'MODE' parameter.
12298 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
12299 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
12300 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
12301 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
12302 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
12303 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
12304 (rs6000_legitimize_address): Likewise.
12305 (rs6000_emit_move): Likewise.
12306 (rs6000_select_rtx_section): Likewise.
12307 (output_toc): Deal properly with outputting small constants like
12308 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
12309 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
12310 MODE parameter. Put small constants in the TOC.
12312 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
12314 (rs6000_emit_move): When reload calls us with an illegitimate
12315 address, exit early. Move the change_address calls to one place
12316 at the end of the routine. Merge the SImode and DImode expanders.
12317 When called by reload to put an integer into a FP register, force
12320 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
12322 (rs6000_hash_constant): Hash mode too.
12323 (toc_hash_function): Allow for key_mode.
12324 (toc_hash_eq): Structures are different if key_mode differs.
12325 (output_toc): Add 'mode' parameter. Save key_mode.
12326 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
12327 Pass 'mode' parameter.
12328 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
12330 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
12331 for vtable references.
12333 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
12334 choice, don't put integer values in FP regs.
12336 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
12338 * flow.c (verify_flow_info): Revamp code to verify that the
12339 head and end of each basic block are in the insn chain.
12341 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
12343 * gcse.c (record_one_set): Prepend instead of append onto
12344 reg_set_table, making it O(n) instead O(n^2).
12345 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
12346 Use a queue instead of a stack as worklist.
12348 2000-07-20 Kazu Hirata <kazu@hxi.com>
12350 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
12351 * h8300.h (OK_FOR_T): New.
12352 (EXTRA_CONSTRAINT): Support OK_FOR_T.
12353 * h8300.md: Use inc/dec.[wl] for increment/decrement
12354 by 1 and 2 in HI and SI modes.
12356 2000-07-20 Jim Wilson <wilson@cygnus.com>
12358 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
12359 larger than 14 bits.
12361 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
12363 * cppmacro.c (CAN_PASTE_AFTER): New macro.
12364 (count_params): Don't set GNU_REST_ARGS on anything.
12365 (save_expansion): Set PASTE_LEFT only on tokens for which
12366 CAN_PASTE_AFTER is true, or which are named operators.
12368 * cpplex.c (parse_args): Distinguish between a rest argument
12369 given one empty argument, and a rest argument given zero arguments.
12370 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
12371 deletion of previous token based on that.
12372 (get_raw_token): Flatten some control structure.
12374 * cpplib.h (CPP_LAST_EQ): Correct.
12375 (VOID_REST): New token flag.
12376 (GNU_REST_ARGS): Delete.
12378 * tradcpp.c (main): Don't munge -D options.
12379 (make_definition): Bring -D handling in line with cpplib.
12380 (do_define): Strip all leading whitespace from macro definitions.
12382 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
12384 * Makefile.in (tradcpp): Depend on intl.o and version.o.
12386 2000-07-20 Bruce Korb <bkorb@gnu.org>
12388 * fixincl/check.tpl: strip the platform specific types before testing
12389 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
12390 * fixincl/fixincl.tpl: use platform specific types
12391 * fixincl/fixlib.h: include the platform specific types
12392 * fixincl/inclhack.def(gnu_types): don't supply the types
12393 * fixincl/fixincl.x: regen
12395 2000-07-19 Jim Wilson <wilson@cygnus.com>
12397 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
12400 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12402 * tradcpp.c (rescan): Do not recognize directives when the #
12405 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12407 Implement C++ named operators.
12409 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
12410 of operators allowed in #if and having an _EQ variant. Add
12411 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
12412 (cpp_token flags): Add NAMED_OP.
12413 (enum node_type): Add T_OPERATOR.
12414 (struct cpp_hashnode): Add code slot to value union.
12415 * cpphash.h (spec_nodes): Remove n_defined.
12417 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
12418 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
12419 (is_macro_disabled): Tweak error messages.
12421 * cpplib.c (get_define_node): Disallow all named operators as
12422 macro names. Tweak error messages.
12423 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
12425 * cppinit.c (builtin_array): Add entries for the named operators.
12426 * cppexp.c (lex): Check for CPP_DEFINED token.
12427 (priority table): Add entries for CPP_MIN and CPP_MAX.
12428 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
12430 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
12432 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
12433 larger than the array of cuids.
12434 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
12437 2000-07-19 Bruce Korb <bkorb@gnu.org>
12439 * fixinc/fixincl.c: Convert to using a table of environment variables
12440 and activate the auto-edit marker on the fixed output files.
12441 * fixinc/fixlib.h: Define the environment table
12442 * fixinc/fixincl.sh: export the ${INPUT} dir
12443 * fixinc/check.tpl: likewise
12445 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12447 * gcc.c (.h spec): Fix typo.
12449 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
12451 * Makefile.in: Fix tradcif.c path.
12453 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12455 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
12458 * cpphash.h (TOKEN_NAME): New macro.
12459 (_cpp_spell_operator): Deleted.
12460 (token_spellings): Now _cpp_token_spellings.
12462 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
12463 * cpplex.c: Use OP and TK macros when expanding the
12464 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
12465 store the stringification of the enumeration name (CPP_CHAR,
12466 etc.) in the name slot of token_spellings.
12467 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
12468 token_spellings directly.
12469 * cpplib.c: Use TOKEN_SPELL.
12471 * cpplex.c (_cpp_push_token): If the token being pushed back
12472 is the previous token in this context, just subtract one from
12474 * cppmacro.c (save_expansion): Clear aux field when storing a
12477 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12479 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
12480 buffer, provided it is not NULL.
12482 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
12484 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
12485 case of invalid volatile re-declaration.
12487 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12489 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
12490 (expand_call): Adjust caller.
12492 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
12494 * diagnostic.h (report_diagnostic): Change prototype.
12496 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
12497 diagnostic_for_decl): Change prototype.
12498 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
12499 error, warning, error_with_file_and_line,
12500 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
12501 Adjust call to report_diagnostic, diagnostic_for_decl.
12502 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
12503 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
12505 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
12506 varaible argument list.
12508 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12510 * cpphash.c: Don't include hashtab.h. Most macro-handling code
12511 moved to cppmacro.c.
12512 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
12513 dump_hash_helper): Delete.
12514 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
12515 cpp_forall_identifiers): New. Implement specialized version of
12516 Vlad's expandable hash table.
12517 (cpp_lookup): Use new functions.
12518 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
12520 * cppmacro.c: New file.
12521 * cppinit.c (dump_macros_helper): New.
12522 (cpp_finish): Iterate over the identifier table directly.
12523 * cpplex.c (parse_name): Calculate the hash of the identifier
12524 while we scan it. Use _cpp_lookup_with_hash when we can.
12526 * cpphash.h: Update prototypes.
12527 (xcnewvec, HASHSTEP): New helper macros.
12528 * cpplib.h: Update prototypes.
12529 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
12530 (cppmacro.o): New rule.
12531 (cpphash.o): Update deps.
12533 * cppmain.c: Do not set pfile->printer if no_output is on.
12535 2000-07-15 Neil Booth <neilb@earthling.net>
12537 * cpplib.c: Change all directive-handler functions to return
12539 * cpphash.h: Update typedefs.
12541 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12543 * configure: Regenerate.
12545 * extend.texi (Extended Asm): Mention that a memory clobber
12546 does not count as a side-effect.
12548 * unroll.c (copy_loop_body): Fix one instance of using host
12549 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
12552 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
12554 2000-07-17 Richard Henderson <rth@cygnus.com>
12556 * config/ia64/ia64.md (movdi): Split out load address code.
12557 New post-reload splitter for symbolic operands.
12558 (movdi_internal): Abort if we didn't split symbolic operands
12559 when we should have.
12560 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
12561 (ia64_reorg): Split insns when not optimizing.
12562 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
12564 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12566 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
12567 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
12569 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12571 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
12573 2000-07-17 Jason Merrill <jason@redhat.com>
12575 * Makefile.in (clean): Remove libgcc directory.
12577 * configure.in (-Wno-long-long check): Use higher-level macros.
12579 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12581 * simplify-rtx.c (simplify_binary_operation): Recognize
12582 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
12583 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
12584 a CONST_INT, it will always be zero.
12586 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12588 * loop.c (check_dbra_loop) : Return if more than one condition is
12589 present to control the loop.
12591 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
12593 * mips.c (mips_expand_prologue): Don't calculate the last argument
12594 register unless we need it. When we are calculating this, make
12595 sure FUNCTION_ARG is giving us a REG.
12597 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12599 * flow.c (libcall_dead_p): Use single_set to verify the insn
12600 has only one set and get for analysis.
12601 (propagate_one_insn): Don't pass the PATTERN of the insn.
12603 2000-07-17 Mark Klein <mklein@dis.com>
12605 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
12607 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12609 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
12610 * configure.in (TARGET_GETGROUPS_T): Evaluate.
12611 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
12612 of second argument of getgroups.
12613 * configure, config.in: Rebuilt.
12615 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12617 * simplify-rtx.c (simplify_relational_operation): Two signed
12618 values with equal high words are less/greater than each other if
12619 their low words are less/greater when considered as unsigned.
12621 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
12623 * configure.in (vax-*-openbsd): Change to new style configuration,
12624 add collect2/float_format information.
12625 * configure: Rebuilt.
12626 * config/vax/openbsd1.h: New.
12627 * config/vax/openbsd.h: New.
12628 * config/vax/t-openbsd: New.
12630 2000-07-17 Chip Salzenberg <chip@valinux.com>
12632 * c-common.c (shorten_compare): Quiet warnings about unsigned
12633 comparisons with zero when they occur in a system header.
12635 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
12637 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
12638 update to describe current practice.
12640 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
12642 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
12643 references to C9X. Change references to -fstd and -flang-isoc9x
12646 * c-common.c (scan_char_table): Allow "z" length modifiers on
12648 (check_format_info): Use TYPE_DOMAIN on the type matched against
12649 for "z" formats, to retrieve the language size_t rather than the
12652 * c-common.c (check_format_info): Do not make a pedantic objection
12653 to the 'L' length modifier if used with a floating point type
12656 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
12657 constants in C99 mode.
12659 2000-07-17 Kazu Hirata <kazu@hxi.com>
12661 * h8300.md: Fix the format of mac.
12662 (movsi_h8300hs): Output a tab after stmac instead of a space.
12664 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
12665 profitable adds/subs sequences.
12667 * fold-const.c: Fix comment typos.
12669 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
12671 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
12673 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12675 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
12677 2000-07-16 Neil Booth <NeilB@earthling.net>
12679 * cpplex.c: Update comments.
12680 * README.Portability: Small update.
12682 2000-07-16 Neil Booth <NeilB@earthling.net>
12684 * README.Portability: Small update.
12686 2000-07-15 Richard Henderson <rth@cygnus.com>
12688 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
12689 * config/ia64/ia64.c (ia64_move_ok): New function.
12690 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
12691 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
12693 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
12695 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
12696 immediately following a paste operator.
12697 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
12698 (cpp_reader_init): Call it, if HOST_EBCDIC.
12699 (cpp_handle_options): Do not sort option list here.
12700 (handle_option): Rename to cpp_handle_option and export.
12701 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
12702 _cpp_get_token directly.
12703 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
12704 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
12705 * cpplib.h: Prototype cpp_handle_option. Update prototype of
12708 2000-07-15 Richard Henderson <rth@cygnus.com>
12710 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
12711 cast around an expression. Tidy other unsigned tests.
12713 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
12715 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
12716 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
12717 (v_message_with_decl): Rename to ...
12718 (format_with_decl): ... this. Tweak
12719 (diagnostic_for_decl): New function.
12720 (fatal_io_error): Use verbatim in lieu of notice.
12721 (announce_function): Use verbatim.
12722 (default_print_error_function): Likewise.
12723 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
12726 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12728 * mips.c (function_arg_pass_by_reference): Don't do automatic
12729 aggregate initialization.
12730 (machine_dependent_reorg): Initialize variable `mode'.
12732 * mips.md (absdi2): Change variable `regno1' to unsigned int.
12733 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
12734 conflicts with sys/param.h macro of the same name.
12735 (reload_outdi): Likewise.
12737 2000-07-15 Michael Meissner <meissner@redhat.com>
12739 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
12740 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
12741 create a new node instead.
12743 2000-07-15 Neil Booth <NeilB@earthling.net>
12745 * README.Portability: Correct example about calling a function
12746 through a pointer to function. Format wide paragraphs.
12748 2000-07-15 Michael Meissner <meissner@redhat.com>
12750 * README.Portability: Update integer suffixes and function
12751 prototype sections.
12753 2000-07-15 Neil Booth <NeilB@earthling.net>
12755 * README.Portability: Small update.
12757 2000-07-15 Neil Booth <NeilB@earthling.net>
12759 * README.Portability: New file.
12761 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
12763 * INSTALL: Give special instructions for building GCC on Irix 6.
12764 * config/mips/x-iris6 (CC): Don't set it.
12767 2000-07-14 Jason Merrill <jason@redhat.com>
12769 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
12770 register in the stack and later in another register, use the new
12773 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
12775 * config/mips/mips.md: (absdi2): Handle sign_extend for
12778 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
12780 * cpplib.c (do_pragma_dependency): Tidy warning messages.
12782 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
12784 * .cvsignore: Correct typo.
12786 2000-07-13 Mark Mitchell <mark@codesourcery.com>
12788 * .cvsignore: Add generated YACC files.
12789 * objc/.cvsignore: New file.
12791 2000-07-14 Neil Booth <NeilB@earthling.net>
12793 * cpplex.c (adjust_column): New funcion.
12794 (skip_whitespace): Use it.
12795 (skip_block_comment): Use it, and warn about /*/* with
12798 2000-07-14 Neil Booth <NeilB@earthling.net>
12800 * cpphash.c (struct macro_info): Add new members.
12801 (_cpp_free_definition): Delete the macro directly.
12802 (count_params): Return void, with first token of
12803 expansion in struct macro_info on success.
12804 (parse_define): Return int. Hoist syntax checking from
12805 save_macro_expansion. Leave call to save_expansion to
12806 _cpp_create_definition.
12807 (alloc_macro): Needs just 2 arguments.
12808 (free_macro): Delete.
12809 (save_expansion): Don't perform syntax check.
12810 (_cpp_create_definition): Call save_expansion.
12812 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12814 * genrecog.c (write_header): Split long string.
12816 * cpphash.c (macro_info): Don't use the `signed' keyword.
12818 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
12820 2000-07-13 Jakub Jelinek <jakub@redhat.com>
12822 * calls.c (stored_args_map): New variable.
12823 (check_sibcall_argument_overlap_1): New.
12824 (check_sibcall_argument_overlap): New.
12825 (expand_call): Initialize stored_args_map.
12826 Call check_sibcall_argument_overlap.
12828 2000-07-13 Bruce Korb <bkorb@gnu.org>
12830 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
12831 (emit_gnu_type): utility procedure for gnu_type_fix
12832 (gnu_type_fix): implement various pre-processor guards around
12833 standard types so these types can be defined over and over
12834 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
12835 types alluded to above will have GNU-compliant base types
12836 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
12837 * fixinc/inclhack.def: add test_text entries and utilize the new
12838 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
12839 * fixinc/fixincl.x: regenerate
12841 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
12843 * diagnostic.c (vline_wrapper_message_with_location,
12844 v_message_with_file_and_line, v_error_with_file_and_file,
12845 v_error_for_asm, v_warning_for_asm, vfatal,
12846 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
12847 vsorry, verror, vwarning, vpedwarn): Remove.
12848 (diagnostic_for_asm): New function.
12849 (pedwarn, error, warning, pedwarn_with_file_and_line,
12850 error_with_file_and_line, warning_with_file_and_line, sorry,
12851 error_for_asm, warning_for_asm, fatal): Reimplement.
12852 (finish_diagnostic): Clear diagnostic info as well.
12854 2000-07-13 Neil Booth <NeilB@earthling.net>
12856 * c-common.h (flag_digraphs): New.
12857 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
12858 * c-lex.c (yylex): Use flag_digraphs to decide whether to
12861 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
12863 * gcc.c (do_spec_1): Add new %B operator.
12864 (set_input): Prepare for %B.
12866 (link_command_spec): Move up with the other tm.h-
12867 overrideable specs. Factor out the portion conditional on
12868 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
12869 (struct compiler): Just have a single spec string. All users
12871 (default_compilers): Remove unnecessary braces.
12872 (static_specs): Update.
12874 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
12876 (C and assembly specs): Use the new named specs, as appropriate.
12878 * objc/lang-specs.h: Use the new named specs.
12879 Remove unnecessary braces.
12881 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12883 * gcc.c (execute): If a subprocess gets a fatal signal, report
12884 strsignal() of the signal number, and ask for a bug report.
12885 Do not do this for SIGPIPE if there's already been an error.
12887 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
12888 Delete pipe_closed.
12890 * tradcif.c: Remove.
12892 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12894 * final.c (profile_function): Do not emit profile counters in
12895 the data section, if NO_PROFILE_COUNTERS is defined.
12896 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
12899 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
12900 (FUNCTION_PROFILER): Just emit a call to mcount.
12902 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12904 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
12906 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
12907 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
12908 traditional, lang_chill, or lang_fortran.
12910 * cppfiles.c: #undef strcmp to suppress warning about macros
12911 used without arguments.
12912 (_cpp_execute_include): Use f, not fname, in "No include path"
12914 (_cpp_pop_file_buffer): New function.
12915 * cpplib.c: Don't include <sys/mman.h>.
12916 (cpp_push_buffer): Set line_base and lineno in new buffer.
12917 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
12919 * cpplex.c: Move all prototypes and structure declarations to the
12920 top of the file. Properly parenthesise some macro arguments.
12921 (cpp_scan_line): New function.
12922 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
12923 don't need to walk up the stack counting.
12925 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12927 * c-common.c (combine_strings): Emit a pedantic warning when a
12928 string length is greater than the minimum ANSI C is required
12931 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
12933 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
12934 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
12936 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12938 * c-decl.c (define_label): Warn about identifier conflicts with
12939 labels in traditional C.
12941 * c-parse.in (unop +): Warn about the unary plus operator for
12944 * c-typeck.c (store_init_value): Warn about automatic aggregate
12945 initialization for traditional C.
12947 * invoke.texi (-Wtraditional): Document new warnings.
12949 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12951 * Makefile.in (c-errors.o): Fix thinko in dependency.
12953 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12955 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
12956 -traditional, -ftraditional, or -traditional-cpp was given.
12957 Do not pass -traditional to the preprocessor.
12958 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
12959 preprocessor does it automatically.
12960 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
12962 * ch/lang-specs.h: Always use tradcpp. Do not pass
12963 -traditional, -trigraphs, or -pedantic to the preprocessor.
12964 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
12967 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12969 * cppexp.c (LOGICAL): Delete macro.
12970 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
12973 * cpphash.c (HASHSIZE): Increase to 4096.
12974 (struct hashdummy): Add hash field.
12975 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
12976 the string values using memcmp.
12977 (cpp_lookup): Set dummy.hash.
12979 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
12981 * configure.in (m88k-openbsd): Express configuration using new fragment
12983 * configure: Rebuilt.
12984 * m88k/aout-dbx.h: New.
12985 * m88k/openbsd.h: New.
12986 * m88k/xm-openbsd.h: New.
12988 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12990 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
12992 2000-07-12 Richard Henderson <rth@cygnus.com>
12994 * reload.c (push_secondary_reload): Make sure to add the new
12995 reload at the end, after acquiring secondary memory.
12997 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12999 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
13001 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
13002 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
13004 * c-parse.in (stmt): Delete unused variables.
13006 * convert.c (convert_to_vector): Likewise.
13008 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
13010 * tree.c (finish_vector_type): Prototype.
13012 2000-07-12 Bruce Korb <bkorb@gnu.org>
13014 * fixinc/fixfixes.c: use xmalloc
13015 * fixinc/fixincl.c(initialize): set program name for xmalloc
13016 * fixinc/fixlib.c(must_malloc): obsolete
13017 (is_cxx_header): no longer used - disabled
13018 (skip_quote): inserted and disabled for future use
13019 * fixinc/fixlib.h: reflects above
13020 * fixinc/fixtests.c: removed dinkleberries
13022 2000-07-12 Neil Booth <NeilB@earthling.net>
13024 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
13025 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
13027 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
13028 struct toklist_dummy): New.
13029 (cpp_free_definition): Free macros with free_macro.
13030 (count_params): Don't save paramter spellings. Save macro
13031 information in a struct macro_info.
13032 (parse_define): Don't allocate a token list.
13033 (save_expansion): Allocate the macro's token list, and
13034 save parameter spellings if necessary. Use TOKEN_SPELL.
13035 (cpp_create_definition): Make list const.
13037 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13039 * c-typeck.c (pedwarn_c99): Move to
13040 * c-errors.c: ... Here.
13041 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
13042 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
13043 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
13044 (c-errors.o): List dependency.
13046 2000-07-12 Mark Mitchell <mark@codesourcery.com>
13048 * c-parse.c: Remove.
13049 * c-parse.h: Likewise.
13050 * c-parse.y: Likewise.
13051 * objc/objc-parse.c: Likewise.
13052 * objc/objc-pasre.y: Likewise.
13054 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
13056 * gcc.texi: Fix minor typos
13057 * extend.texi: Fix minor typos
13059 2000-07-11 Marc Espie <espie@openbsd.org>
13061 * collect2.c (main): Recognize .lo as object files.
13063 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13065 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
13068 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
13069 with MAP_ANONYMOUS and MAP_ANON.
13070 * configure, config.in: Rebuilt.
13072 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13074 * diagnostic.c (save_output_state): Remove.
13075 (restore_output_state): Likewise.
13076 (clear_text_info): New function.
13077 (clear_diagnostic_info): Likewise.
13078 (output_text_length, is_starting_newline, output_prefix,
13079 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
13080 prefixing_policy, output_buffer_ptr_to_format_args): New macros
13081 (set_real_maximum_length, output_set_maximum_length,
13082 output_set_prefix, output_get_prefix, output_set_maximum_length,
13083 output_destroy_prefix, init_output_buffer,
13084 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
13085 output_add_newline, output_add_character, output_add_space,
13086 output_append_r, output_append, wrap_text, output_format,
13087 output_do_printf, output_printf, output_do_verbatim,
13088 output_verbatim, verbatim): Use them.
13089 (output_clear): Split into cleat_text_info and
13090 clear_diagnostic_info.
13091 (struct output_state): Move to...
13093 * diagnostic.h: ...Here
13094 (struct output_buffer): Adjust.
13096 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
13098 * cpplex.c (parse_name): No longer inline (premature optimization).
13099 (do_pop_context): Fold into pop_context.
13100 (pop_context): Returns int.
13101 (lex_next): Hoist test for end of directive into pop_context.
13102 (push_macro_context): Returns int; takes just reader and token.
13103 Hoist test for excessive nesting to caller.
13104 (push_arg_context): Returns void; takes just reader and token.
13105 Do not call stringify_arg or get_raw_token.
13106 (get_raw_token): Convert tail recursion through push_arg_context
13107 to a loop at this level. Call stringify_arg here if appropriate.
13108 (maybe_paste_with_next): Convert tail recursion to a while loop.
13109 Hoist test of paste_level to caller.
13111 (stringify_arg): Push arg context at beginning.
13112 (cpp_get_token): Split out core into _cpp_get_token. Call
13113 process_directive here. Throw away CPP_PLACEMARKER tokens.
13114 (_cpp_get_token): Convert tail recursion through
13115 push_macro_context to a loop at this level.
13116 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
13117 _cpp_get_raw_token): Use _cpp_get_token.
13118 (_cpp_skip_rest_of_line): Drop the context stack directly; do
13119 not call pop_context.
13120 (_cpp_run_directive): Call lex_next directly.
13122 * cpphash.h: Prototype _cpp_get_token.
13123 * cppexp.c (lex): Use it.
13124 * cpphash.c (parse_define): Use it.
13125 * cpplib.c (get_define_node, do_undef, parse_include,
13126 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
13127 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
13128 parse_ifdef, validate_else): Use it.
13129 (cpp_push_buffer): Tweak error message; abort if anyone tries
13130 to push a buffer while macro expansions are stacked.
13132 2000-07-11 Donn Terry <donnte@microsoft.com>
13134 * cpplex.c (free_macro_args, save_token): Cast arg of free
13135 and/or xrealloc to PTR.
13136 (_cpp_init_input_buffer): Clear all fields of the base context.
13138 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
13140 * gensupport.c (process_rtx): Make rtl checking stop
13141 complaining about the define_insn while it is being
13142 converted from a define_insn_and_split.
13144 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
13146 * config/mips/mips.c (simple_memory_operand): Access the
13147 INTVAL of the address, not it's containing MEM.
13149 2000-07-11 Bruce Korb <bkorb@gnu.org>
13151 * fixinc/fixtests.c(double_slash): obsolete
13152 (else_endif_label): likewise
13153 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
13154 (libc1_ifdefd_memx): correct initial comment
13155 and omit the #if/#endif pair from the memxxx declarations
13156 * fixinc/fixincl.x: regen
13158 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13160 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
13162 2000-07-11 Neil Booth <NeilB@earthling.net>
13164 * cpp.texi: Update.
13166 2000-07-11 Neil Booth <NeilB@earthling.net>
13168 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
13169 (handle_option): Set digraphs according to standard.
13170 Merge OPT_lang_c89 handler with OPT_std_c89.
13172 * cpplex.c: (lex_line, can_paste): Honour digraphs in
13173 accordance with the digraphs flag.
13175 * cpplib.h: (struct cpp_options): New option digraphs.
13177 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
13178 Bruce Korb <bkorb@gnu.org>
13180 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
13181 * fixinc/fixincl.x: Regenerate.
13182 * fixinc/tests/base/testing.h: Add testcase.
13184 2000-07-10 Richard Henderson <rth@cygnus.com>
13186 * config/ia64/ia64.c (got_symbolic_operand): New.
13187 (symbolic_operand, move_operand): Revert 0701 change.
13188 * config/ia64/ia64.h (PREDICATE_CODES): Update.
13189 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
13190 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
13191 split the offset into a 14-bit low part instead of a 13-bit low part.
13192 (load_fptr): Mark the mem as unchanging.
13193 (load_symptr): Use got_symbolic_operand.
13195 2000-07-10 Nick Clifton <nickc@cygnus.com>
13197 * libgcc2.c (next_stack_level): Cast result of computation to
13198 (void **) so that the assignment does not generate a warning.
13200 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
13202 * flags.h : Add new variable flag_single_precision_constant.
13203 * toplev.c (display_help) : Add -fsingle-precision-constant option.
13204 (flag_single_precision_constant): New.
13205 * c-lex.c (yylex): Convert floating point constant to single
13206 precision constant.
13207 * invoke.texi : Add documentation for this new option.
13209 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13211 * diagnostic.c (output_octal): Second parameter is unsigned.
13212 (output_long_octal): Likewise.
13213 (output_hexadecimal): Likewise.
13214 (output_long_hexadecimal): Likewise.
13215 (output_format): Adjust arguments extraction. Tweak.
13216 (output_verbatim, verbatim): End variable argument list.
13217 (report_diagnostic): Improve documentation.
13219 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
13221 * c-common.h (build_stmt): Declare.
13222 (build_continue_stmt): Likewise.
13223 (build_break_stmt): Likewise.
13224 (build_return_stmt): Likewise.
13226 * c-decl.c (do_case): Rewrite to do what previously done in
13229 * c-semantics.c (build_stmt): Define.
13230 (build_return_stmt): Likewise.
13231 (build_break_stmt): Likewise.
13232 (build_continue_stmt): Likewise.
13233 (build_case_label): Likewise.
13235 * c-parse.in (BREAK): Change to build tree, then generate RTL.
13236 (CONTINUE): Likewise.
13237 (RETURN): Likewise.
13239 (DEFAULT): Likewise.
13241 * c-parse.y: Regenerate.
13242 * c-pasre.c: Likewise.
13244 2000-07-09 Jason Merrill <jason@redhat.com>
13246 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
13248 * tree.h (STRIP_NOPS): Check for error_mark_node.
13249 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
13250 (dwarf2out_*): Remove duplicate declarations.
13252 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
13253 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
13255 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13257 * diagnostic.c (wrap_text): New function.
13258 (maybe_wrap_text): Likewise.
13259 (output_add_string): Use it.
13260 (output_format): Likewise.
13261 (count_error): Use verbatim instead of notice.
13262 (report_error_function): Likewise. Don't use plain fprintf.
13263 (finish_diagnostic): New function.
13264 (output_do_verbatim): Tweak. Commonalize functionalities in
13265 output_verbatim and verbatim.
13266 (output_verbatim): Adjust.
13267 (verbatim): Likewise.
13268 (report_diagnostic): Define.
13270 * diagnostic.h (report_diagnostic): Prototype.
13272 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
13274 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
13276 2000-07-09 Neil Booth <NeilB@earthling.net>
13278 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
13279 IShspace, ISspace: Update.
13281 * cppinit.c: ISTABLE: Update.
13284 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
13285 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
13286 (skip_block_comment, skip_line_comment, parse_string,
13287 lex_line): Use is_vspace rather than IS_NEWLINE.
13288 (skip_whitespace, lex_line): Clean up to use is_nvspace.
13289 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
13291 (lex_next): Unconditionally stop if within a directive.
13292 Treat directives within macro invocations as directives
13293 (after parse_args emits error), not as the argument.
13295 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
13297 * diagnostic.c (diagnostic_args): New macro.
13298 (diagnostic_msg): Likewise.
13299 (output_formatted_integer): Likewise.
13300 (output_state): New data type.
13301 (digit_buffer): Make global.
13302 (output_add_integer): Rename to output_decimal. Squeeze
13304 (output_long_decimal, output_unsigned_decimal,
13305 output_long_unsigned_decimal, output_octal, output_long_octal,
13306 output_hexadecimal, output_long_hexadecimal): New functions.
13307 (output_append_r): New function.
13308 (output_append): Tweak.
13309 (output_flush_on): Rename to output_to_stream.
13310 (output_format): Change prototype. Improve documentation. Handle
13311 more format specifiers.
13312 (build_location_prefix): Rename to context_as_prefix.
13313 (output_notice): Rename to output_do_printf.
13314 (output_printf): Tweak.
13315 (line_wrapper_printf): Likewise.
13316 (vline_wrapper_message_with_location): Adjust call to renamed
13318 (v_message_with_decl): Likewise.
13319 (default_print_error_function): Likewise.
13320 (save_output_state): New function.
13321 (restore_output_state): Likewise.
13322 (output_do_verbatim): Likewise.
13323 (output_verbatim): Define.
13324 (verbatim): Likewise.
13326 * diagnostic.h (printer_fn): Change return type from void to int.
13327 Improve documentation.
13328 (output_add_integer): Rename to output_decimal.
13329 (output_flush_on, output_format): Don't export.
13330 (output_verbatim, verbatim): Declare.
13332 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
13334 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
13335 Check whether c divides op1 exactly if operation is not
13338 2000-07-08 Richard Henderson <rth@cygnus.com>
13340 * final.c (final): Do not abort when reg-stack introduces
13343 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
13345 * cpplib.h (struct cpp_name): Now struct cpp_string.
13346 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
13347 CPP_HEADER_NAME): Change to type S.
13348 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
13349 field, a cpp_hashnode *. All references to val.name updated
13350 to use val.str or val.node as appropriate.
13351 (struct cpp_reader): Add spec_nodes field.
13352 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
13354 * cpphash.h (struct spec_nodes): New.
13355 (enum spell_type): Reorder. Only SPELL_STRING tokens use
13356 val.str. All references to 'spelling > SPELL_NONE' updated to
13359 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
13360 pfile->buffer->inc are not NULL before dereferencing them.
13362 * cpplex.c (parse_name): Take a pointer to the current token,
13363 plus current position and limit as args; return the new
13364 position; don't copy the text of a name into the string
13365 buffer, instead call cpp_lookup and store the node pointer.
13366 If extending a token, copy out the text of the old into a
13367 scratch buffer, append the new, look that up and store the new
13368 node pointer. Inline.
13369 (maybe_paste_with_next): If the result of paste is a NAME,
13370 then look up the pasted text and store its node pointer.
13371 (lex_line): Adjust for new parse_name interface.
13372 Check for L"str", L'str' using spec_nodes->n_L.
13373 (spell_token): SPELL_IDENT tokens have their spelling in
13374 val.node->name. Handle SPELL_STRING tokens that don't have
13376 (_cpp_expand_name_space,
13377 (can_paste): Check for L ## "str" using spec_nodes->n_L.
13378 (cpp_get_token, special_symbol): No need to call cpp_lookup.
13379 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
13380 return 1=equal 0=not, not a tristate.
13382 * cpphash.c (var_args_str): Delete.
13383 (find_param): Compare node fields directly.
13384 (is__va_args__): Use CPP_PEDANTIC. Just compare
13385 token->val.node with spec_nodes->n__VA_ARGS__.
13386 (dump_funlike_macro): Don't use var_args_str.
13388 * cpplib.c (_cpp_check_directive): Just walk through
13389 spec_nodes->dirs comparing pointers.
13390 (get_define_node, do_pragma_poison, detect_if_not_defined,
13391 parse_ifdef): The identifier has already been looked up.
13392 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
13394 (do_if): Only call detect_if_not_defined at beginning of file.
13395 (_cpp_parse_assertion): Only copy string pointers for
13396 SPELL_STRING tokens.
13397 (pragma_dispatch): Take a node pointer and examine its name
13399 (_cpp_init_stacks): Also initialize the spec_nodes structure.
13401 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
13403 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
13404 reverse order from the corresponding _cpp_init_* routines.
13406 * cppexp.c (parse_number, parse_charconst, parse_defined,
13407 lex): Check val.node->type instead of calling cpp_defined.
13408 Use spec_nodes entries where appropriate.
13410 * fix-header.c, scan-decls.c: Update for interface changes.
13412 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
13414 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
13415 emitting aux_truncdfsf2.
13417 2000-07-03 Donn Terry (donnte@microsoft.com)
13419 * cppinit.c (print_help): split overlong line into ISO C89
13422 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13424 * cppexp.c: Update all code for new lexer interface.
13425 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
13426 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
13427 * cpplex.c (token_names): Trim leading CPP_ from names; make
13428 the strings unsigned.
13429 (_cpp_spell_operator): New.
13430 (is_macro_disabled): Disable all macros if rescanning
13432 (_cpp_get_directive_token): Remove.
13434 * cppinit.c: Don't set no_macro_expand.
13435 * cpplib.c (read_line_number, do_line): Check only for EOF,
13437 * cpphash.h: Update prototypes.
13438 * cpplib.h (CPP_VSPACE): Remove.
13439 (struct cpp_reader): Remove no_macro_expand.
13441 2000-07-08 Neil Booth <NeilB@earthling.net>
13443 * cpphash.c (is__va_args__): New function.
13444 (count_params): Fix line reported in error messages. Use
13445 is__va_args__. Don't return ')' on error. Flag GNU style
13446 rest args macro definitions.
13447 (parse_define): Check macro name is not __VA_ARGS__.
13448 (save_expansion): Check identifier in non-varargs-macro is
13449 not __VA_ARGS__. Don't flag GNU_VARARGS.
13450 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
13451 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
13452 than per-token GNU_VARARGS.
13453 * cpplib.h (GNU_VARARGS): Remove.
13454 (GNU_REST_ARGS): New.
13456 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13458 * i386.md (call_pop, call, call_value_pop): Do not set
13459 current_function_uses_pic_offset_table for calls to static
13460 functions or indirect calls.
13462 2000-07-07 Jim Wilson <wilson@cygnus.com>
13464 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
13465 is_predicate_reg, then take max write_count of register pair.
13467 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13469 * tradcpp.c (main): Rename label `include' to `add_include' to
13470 avoid conflicts with variable `include' in traditional C.
13472 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13474 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
13476 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13478 * sibcall.c (uses_addressof): Add INMEM argument, check for
13479 current_function_internal_arg_pointer outside of MEM rtxs in addition
13481 (sequence_uses_addressof): Update caller.
13483 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13485 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
13488 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13490 * system.h (UNION_INIT_ZERO): New macro for initializing union
13491 members in structs.
13493 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
13495 2000-07-07 Neil Booth <NeilB@earthling.net>
13497 * cpp.texi: Update.
13499 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
13501 * final.c (final): Detect out of bounds array access to
13502 the insn_lengths array.
13504 2000-07-07 Kazu Hirata <kazu@hxi.com>
13506 * fold-const.c (fold): Fix a comment typo.
13508 2000-07-07 Neil Booth <NeilB@earthling.net>
13510 * cpp.texi: Update to new lexer.
13512 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13514 * tradcpp.c: New file.
13515 * tradcif.y: New file.
13516 * tradcif.c: New generated file.
13518 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
13519 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
13520 dependencies of C. Install tradcpp from install-common, in
13523 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13525 * cppinit.c: Include cppdefault.h. Refer to
13526 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
13527 to GCC_INCLUDE_DIR and its length.
13528 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
13529 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
13530 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
13532 (include_defaults_array): Move to cppdefault.c.
13534 * cppdefault.h: New file.
13535 * cppdefault.c: New file.
13537 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
13538 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
13539 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
13542 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13544 * reload.c (push_reload): When seeing if can reuse a register,
13545 check extra registers against widest of INMODE and OUTMODE.
13547 2000-07-06 Neil Booth <NeilB@earthling.net>
13549 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
13550 based on full length of predicate.
13552 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
13554 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
13555 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
13557 2000-07-05 Kazu Hirata <kazu@hxi.com>
13559 * h8300-proto.h: Fix formatting.
13560 * h8300.c: Likewise.
13561 * h8300.h: Likewise.
13563 2000-07-05 Jim Wilson <wilson@cygnus.com>
13565 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
13568 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
13570 * invoke.texi: Fix minor typos
13571 * md.texi: Fix minor typos
13573 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
13575 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
13577 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13579 * cpplex.c: Don't include sys/mman.h.
13580 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
13582 * cpplib.c: Include sys/mman.h and obstack.h.
13583 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
13585 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
13586 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
13587 bother freeing if stack entries (they will be freed with their buffer).
13588 (do_endif): Free if stack entries from the buffer obstack.
13589 (push_conditional): Allocate if stack entries from the buffer obstack.
13591 (find_answer): Rename to _cpp_find_answer.
13592 (do_assert, do_unassert): Update.
13594 * cpphash.h: Update prototypes.
13595 (xobnew): New convenience macro.
13596 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
13598 (struct cpp_hashnode): Remove disabled field.
13600 * cppinit.c: Don't include hashtab.h or splay-tree.h.
13601 (report_missing_guard): Moved to cppfiles.c.
13602 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
13604 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
13605 cpp_cleanup_includes. Don't destroy hashtab or
13606 all_include_files here.
13607 (cpp_finish): Use _cpp_report_missing_guards.
13609 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
13610 (_cpp_init_include_table): Rename _cpp_init_includes.
13611 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
13613 * cppexp.c (parse_assertion): Update for new name of
13616 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
13618 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13620 * cpplib.c (do_ident): s/VSPACE/EOF/
13622 2000-07-05 Neil Booth <NeilB@earthling.net>
13624 * cpplex.c: Fix trigraph replacement within strings.
13626 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13628 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
13630 * xcoffout.c (assign_type_number): Constify.
13631 (xcoffout_source_file): Add static prototype. Don't needlessly
13632 cast away const-ness.
13634 2000-07-04 Jason Merrill <jason@redhat.com>
13636 * frame.h (frame_state): Move base_offset to end.
13638 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13640 * calls.c (emit_library_call_value_1): Revert previous change.
13642 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13644 * fix-header.c (struct partial_proto): Remove unnecessary fields.
13645 (recognized_extern, recognized_function, read_scan_file):
13646 Update for new scheme.
13647 (check_protection): It's still a multiple include guard even
13648 if it doesn't always trigger.
13649 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
13651 * scan.h: Declare struct cpp_token. Update prototypes.
13653 2000-07-03 Neil Booth <neilb@earthling.net>
13654 Zack Weinberg <zack@wolery.cumb.org>
13656 Complete overhaul of the lexer and macro expander.
13658 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
13659 arg, arglist, argdata, reflist, collect_objlike_expansion,
13660 collect_funlike_expansion, collect_params,
13661 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
13662 unsafe_chars, macarg, compare_defs, special_symbol,
13663 scan_arguments, stringify, funlike_macroexpand,
13664 _cpp_quote_string, monthnames): Delete.
13665 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
13666 _cpp_create_definition, _cpp_dump_definition,
13667 dump_hash_helper): Adjust.
13668 (find_param, count_params, parse_define, var_args_str,
13669 check_macro_redefinition, save_expansion): New.
13671 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
13672 parse_string, output_line_command, trigraph_replace,
13673 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
13674 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
13675 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
13676 _cpp_skip_rest_of_line): Modify.
13678 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
13679 find_position, null_warning, bump_column, expand_name_space,
13680 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
13681 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
13682 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
13683 _cpp_prescan): Delete.
13685 (dump_param_spelling, process_directive, lex_next,
13686 is_macro_disabled, stringify_arg, expand_context_stack,
13687 output_token, make_string_token, alloc_number_token,
13688 special_symbol, duplicate_token, maybe_paste_with_next,
13689 can_paste, prevent_macro_expansion, restore_macro_expansion,
13690 get_temp_token, release_temp_tokens, quote_string,
13691 token_names, token_spellings, _cpp_expand_name_space,
13692 _cpp_glue_header_name, _cpp_reserve_name_space,
13693 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
13694 placemarker_token, eof_token, cpp_context, macro_args,
13695 get_raw_token, parse_arg, parse_args, save_token,
13696 push_arg_context, push_macro_context, pop_context,
13697 do_pop_context, free_macro_args, _cpp_get_line,
13698 _cpp_run_directive): New.
13700 * cpplib.c (validate_else, parse_include, push_conditional,
13701 pass_thru_directive, read_line_number, parse_ifdef,
13702 detect_if_not_defined, _cpp_check_directive, do_define,
13703 do_undef, do_include, do_import, do_include_next, do_error,
13704 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
13705 top_pragmas, do_pragma_gcc, do_pragma_implementation,
13706 do_pragma_poison, do_pragma_system_header,
13707 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
13708 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
13709 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
13710 cpp_defined): Update for new scheme.
13711 (strtoul_for_line, get_define_node, dump_macro_name,
13712 _cpp_check_linemarker, _cpp_parse_assertion): New.
13713 (_cpp_handle_directive, do_pragma_default): Delete.
13715 * cpphash.h (struct predicate): Now struct answer.
13716 (enum spell_type, struct token_spelling, struct directive,
13717 directive_handler): New.
13718 Update prototypes. Remove unused macros.
13719 * cpplib.h: Update prototypes. Remove unused macros,
13720 structure definitions, and fields.
13722 * cpperror.c (print_containing_files, v_message): Adjust.
13723 * cppexp.c (parse_assertion, lex, parse_escape,
13724 _cpp_parse_expr): Adjust.
13725 * cppfiles.c (open_include_file, _cpp_execute_include,
13726 _cpp_compare_file_date, cpp_read_file, read_include_file):
13728 * cppinit.c (dump_special_to_buffer): Delete.
13729 (append_include_chain, merge_include_chains, cpp_reader_init,
13730 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
13731 cpp_finish, handle_option, print_help): Adjust.
13732 * cppmain.c (main): Adjust.
13734 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13736 * cppspec.c (lang_specific_driver): Use double quotes in error
13739 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13741 * calls.c (emit_library_call_value_1): Use valreg instead
13742 of hard_libcall_value.
13744 2000-07-03 Geoff Keating <geoffk@cygnus.com>
13746 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
13747 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
13748 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
13756 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
13757 mode instead of wider_mode is being used.
13759 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13761 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
13762 of 'r'. Use q_regs_operand.
13763 (andsi_1+2): Use q_regs_operand.
13765 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13767 * builtins.c (get_memory_rtx): Always put into alias set 0.
13769 2000-07-03 Nick Clifton <nickc@cygnus.com>
13771 * config/arm/arm.md: Fix post increment and pre increment
13772 peepholes so that they do not generate UNPREDICATBLE opcodes.
13773 (ie ones where the increment clobbers the source/destination).
13775 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
13777 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
13778 change too big for -mtiny-stack" a warning, if larger than 63.
13779 (out_set_stack_ptr): Change the logic so -mno-interrupts is
13780 always safe to use on possible future devices.
13781 (function_prologue): Write SPH before SPL, for consistency.
13782 If interrupt_func_p true, we know we have enabled interrupts.
13783 (avr_num_arg_regs): New function. Round up to even number of
13784 bytes if no -mpack-args or if calling a libgcc function.
13785 (function_arg, function_arg_advance): Use it.
13786 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
13787 Output "movw" if available.
13788 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
13789 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
13790 (asm_output_section_name): Add blanks for consistent output.
13791 (encode_section_info): Set TREE_READONLY for progmem data to
13792 avoid gas warnings about changed section attributes.
13793 (avr_hard_regno_mode_ok): Force non-QImode data to start in
13794 even numbered registers on devices with "movw".
13795 * config/avr/avr.h (MASK_*): Define bits for target_flags.
13796 (TARGET_SWITCHES): Mark help strings for translation.
13797 Add new -mpack-args and -menhanced switches.
13798 (TARGET_OPTIONS): Mark help strings for translation.
13799 (progmem_section): Add section attributes.
13800 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
13801 Output "movw" if available.
13802 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
13804 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
13805 call convention (arguments aligned on even registers).
13806 (_cleanup, _exit): Make weak symbols libc can override.
13808 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13810 * fp-bit.h: New file.
13812 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
13813 Comment #endif statements.
13814 (__thenan_sf, __thenan_df): Add missing braces around initializer.
13816 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
13818 * gcse.c (compute_pre_data): Compute ae_kill using other local
13819 properties instead of calling compute_ae_kill.
13821 * alias.c (init_alias_analysis): Do not call
13822 prologue_epilogue_contains until after reload has completed.
13824 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
13826 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
13827 (genrtl_finish_compound_stmt): Likewise.
13828 (genrtl_compound_stmt): Change to return void.
13830 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
13831 move code from here to ...
13832 (genrtl_compound_stmt): ... here.
13833 (genrtl_finish_compound_stmt): Remove.
13834 (expand_stmt): Add comment.
13836 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
13838 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
13841 2000-07-02 Jakub Jelinek <jakub@redhat.com>
13843 * cpplib.h (struct cpp_reader): New field include_depth.
13844 (struct cpp_printer): Rename last_bsd to last_id.
13845 * cppfiles.c (read_include_file): Bump include_depth.
13846 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
13847 (output_line_command): Output correct #line if a header
13848 is including itself and is not protected against multiple inclusion.
13849 Use include_depth instead of buffer_stack_depth, last_id instead of
13851 * cppinit.c (cpp_start_read): Initialize last_id instead of
13854 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
13856 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
13857 (c-semantics.o): New target.
13859 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
13860 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
13861 (genrtl_clear_out_block): Likewise.
13862 (genrtl_goto_stmt): Likewise.
13863 (genrtl_expr_stmt): Likewise.
13864 (genrtl_decl_stmt): Likewise.
13865 (genrtl_if_stmt): Likewise.
13866 (genrtl_while_stmt): Likewise.
13867 (genrtl_do_stmt): Likewise.
13868 (genrtl_return_stmt): Likewise.
13869 (genrtl_for_stmt): Likewise.
13870 (genrtl_break_stmt): Likewise.
13871 (genrtl_continue_stmt): Likewise.
13872 (genrtl_scope_stmt): Likewise.
13873 (genrtl_switch_stmt): Likewise.
13874 (genrtl_case_label): Likewise.
13875 (genrtl_begin_compound_stmt): Likewise.
13876 (gerntl_finish_compound_stmt): Likewise.
13877 (genrtl_compound_stmt): Likewise.
13878 (genrtl_asm_stmt): Likewise.
13879 (genrtl_decl_cleanup): Likewise.
13880 (DECL_ANON_UNION_ELEMS): Likewise.
13881 (emit_local_var): Likewise.
13882 (make_rtl_for_local_static): Likewise.
13883 (expand_cond): Likewise.
13884 (expand_stmt): Likewise.
13885 (c_expand_return): Likewise.
13886 (c_expand_start_case): Likewise.
13887 (do_case): Likewise.
13888 (COMPOUND_STMT_NO_SCOPE): Likewise.
13889 (c_expand_asm_operands): Likewise.
13890 (NEW_FOR_SCOPE_P): New macro.
13891 (expand_expr_stmt_fn): New type.
13893 (set_current_function_name_declared): Likewise.
13894 (current_function_name_declared): Likewise.
13895 (lang_expand_stmt): Likewise.
13896 (stmts_are_full_exprs_p): Likewise.
13897 (anon_aggr_type_p): Likewise.
13898 (lang_expand_expr_stmt): Likewise.
13899 (build_case_label): Likewise.
13901 * c-decl.c (lang_expand_expr_stmt): Initialize.
13902 (stmts_are_full_exprs_p): Define.
13903 (current_function_name_declared): Likewise.
13904 (do_case): Likewise.
13905 (lang_expand_stmt): Likewise.
13906 (set_current_function_name_declared): Likewise.
13907 (anon_aggr_type_p): Likewise.
13909 * c-semantics.c: New file.
13910 (expand_cond): Moved from cp/semantics.c.
13911 (genrtl_do_pushlevel): Likewise.
13912 (genrtl_clear_out_block): Likewise.
13913 (genrtl_goto_stmt): Likewise.
13914 (genrtl_expr_stmt): Likewise.
13915 (genrtl_decl_stmt): Likewise.
13916 (genrtl_if_stmt): Likewise.
13917 (genrtl_while_stmt): Likewise.
13918 (genrtl_do_stmt): Likewise.
13919 (genrtl_return_stmt): Likewise.
13920 (genrtl_for_stmt): Likewise.
13921 (genrtl_break_stmt): Likewise.
13922 (genrtl_continue_stmt): Likewise.
13923 (genrtl_scope_stmt): Likewise.
13924 (genrtl_switch_stmt): Likewise.
13925 (genrtl_case_label): Likewise.
13926 (genrtl_begin_compound_stmt): Likewise.
13927 (genrtl_finish_compound_stmt): Likewise.
13928 (genrtl_compound_stmt): Likewise.
13929 (genrtl_asm_stmt): Likewise.
13930 (genrtl_decl_cleanup): Likewise.
13931 (make_rtl_for_local_static): Moved from cp/decl.c.
13932 (emit_local_var): Likewise.
13933 (expand_stmt): Define.
13935 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
13936 (c_expand_return): Likewise.
13937 (c_expand_start_case): Likewise.
13939 2000-07-01 Richard Henderson <rth@cygnus.com>
13941 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
13942 with the low 13 bits set.
13943 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
13944 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
13945 of the low 13 bits into a CONST plus an adddi3.
13946 (load_symptr): Set RTX_UNCHANGING_P.
13948 See ChangeLog.3 for earlier changes.