1 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
3 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
6 2000-12-07 Mike Stump <mrs@wrs.com>
8 * Makefile.in (distclean): Remove alloca.c hashtab.c.
10 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
12 * Makefile.in (HOST_RTL): Add safe-ctype.o.
13 (safe-ctype.o): New rule.
14 * system.h: Include safe-ctype.h, not ctype.h. No need to
17 * cpphash.h: Zap IStable and related macros. Define is_* in
18 terms of safe-ctype.h macros.
19 * cppinit.c: Delete the IStable and all related code.
21 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
22 is_space arrays. Delete initialize_char_syntax. Change all
23 references to the above arrays to use macros instead.
24 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
25 is_nvspace in terms of safe_ctype.h's macros.
26 * tradcif.y: is_idchar, is_idstart are macros not arrays.
28 * config/i370/i370.c, config/winnt/dirent.c,
29 config/winnt/fixinc-nt.c, config/winnt/ld.c:
30 Use uppercase ctype macros. If we included ctype.h,
31 include safe-ctype.h instead.
33 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
34 ISLOWER(c) before calling TOUPPER(c).
35 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
36 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
37 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
39 2000-12-07 DJ Delorie <dj@redhat.com>
41 * c-decl.c (grokdeclarator): preserve previous alignments when
42 rebuilding array types.
44 2000-12-07 Neil Booth <neilb@earthling.net>
46 * cppfiles.c (struct include_file): Move from cpphash.h.
47 (_cpp_never_reread): New function.
48 (open_file, read_include_file): Use it.
49 (stack_include_file): Set the buffer's sysp according to the
50 path in which the file was found.
51 (find_include_file): Don't set sysp.
52 (cpp_make_system_header, actual_directory): Update.
53 (_cpp_execute_include): Do #include_next lookup handling here,
54 not in cpplib.c. Use _cpp_never_reread.
55 * cpphash.h (struct_include_file): Remove.
56 (struct cpp_buffer): New member sysp.
57 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
58 (_cpp_never_reread): New.
59 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
60 (end_directive): Clear line_extension flag.
61 (_cpp_handle_directive): Set line_extension flag for #number.
62 (do_include_next): Handle path lookup in _cpp_execute_include.
63 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
64 (_cpp_do_file_change): Update.
65 (do_pragma_once): Use cpp_never_reread. Clean up.
66 * cpplib.h (struct lexer_state): New member line_extension.
68 2000-12-07 Richard Henderson <rth@redhat.com>
70 * flow.c (calculate_global_regs_live): Force the stack pointer live
73 2000-12-07 Bruce Korb <bkorb@gnu.org>
75 * fixinc/Makefile.*(exeext): the variables are exeext, the
76 substitution expression is build_exeext.
78 2000-12-07 Neil Booth <neilb@earthling.net>
80 * c-common.c (parse_in): Make a cpp_reader *.
81 * cppfiles.c (_cpp_fake_include): Remove.
82 * cpphash.h: Similarly.
83 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
84 #line always creates a callback; FC_RENAME if there are no
86 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
87 The first EOF must be our get_char buffer.
89 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
91 * c-common.c (warn_format_security): New variable.
92 (check_format_info): Warn about non-literal formats with no format
93 arguments if either -Wformat-nonliteral or -Wformat-security is
95 (set_Wformat): Set warn_format_security for settings other than 1.
96 * c-common.h (warn_format_security): Declare.
97 * c-decl.c (c_decode_option): Decode -Wformat-security and
99 * invoke.texi: Document -Wformat-security.
100 * toplev.c (documented_lang_options): Include -Wformat-security
101 and -Wno-format-security.
103 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
105 * c-common.c (check_format_info): Warn for non-constant format
106 strings with strftime formats if -Wformat-nonliteral. Where the
107 format can convert arguments, if the format is not a string
108 literal and there are no arguments to the format, give a different
109 warning message from the general non-string-literal case.
111 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
113 * c-common.c (format_wanted_type): Add reading_from_flag.
114 (print_char_table): Mark %s and %S formats with flag "R".
115 (check_format_info_main): Set up reading_from_flag appropriately.
116 If aflag, always set writing_in_flag rather than relying on the
117 format used being a scanf format and so having it set.
118 (check_format_types): Check for formats reading through null
121 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
123 * invoke.texi (-Wformat): Document what format features are
126 2000-12-06 Kazu Hirata <kazu@hxi.com>
128 * config/h8300/h8300.h: Fix formatting.
130 2000-12-06 Joel Sherrill <joel@OARcorp.com>
132 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
133 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
134 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
135 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
136 config/h8300/rtems.h, config/mips/rtems.h: New files.
138 2000-12-06 Mark Kettenis <kettenis@gnu.org>
140 * config.gcc: Reorganize handling of *-*-gnu*, to share target
141 specific make details with Linux. Update comments to clarify
142 the distinction between GNU/Linux and GNU/Hurd.
144 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
146 * contrib.texi: Fix my email address. Update Per's
147 list of contributions.
149 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
151 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
152 * collect2.c (scan_libraries): Remove unused `ch'.
153 (COFF specific stuff): Prototype ldgetname. Declare and prototype
154 ldbtread and ldclose.
156 * config/alpha/osf.h: Standarize copyright statement.
157 * config/arc/arc.h: Likewise.
158 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
159 * config/arm/arm.c config/arm/arm.h: Likewise.
160 * config/elxsi/elxsi.h: Likewise.
161 * config/i386/sco.h: Likewise.
162 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
163 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
164 * config/m68k/sun3.h: Likewise.
165 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
166 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
167 * config/romp/romp.h: Likewise.
168 * config/rs6000/aix41.h: Likewise.
169 * config/sparc/sysv4.h: Likewise.
170 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
171 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
172 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
173 * longlong.h: Likewise.
174 * libgcc2.c: Likewise.
176 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
178 * machmode.def: Use correct definition for BITSIZE on targets where
181 2000-12-06 Bruce Korb <bkorb@gnu.org>
183 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
186 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
188 * pa.c: Include expr.h before c-tree.h.
189 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
190 instead of reverse_condition.
191 (print_operand): Correct predicates for GT, GE, LT and LE. Add
192 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
194 (cmpib_comparison_operator): Add GEU and LTU codes.
195 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
196 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
197 bordered): New float conditional branch patterns.
199 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
201 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
203 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
205 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
206 backslash and newline, when inside a comment.
208 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
210 * invoke.texi: Use @table @samp instead of @itemize @minus for
211 table of language standards. Fix use of @pxref. From Zack
212 Weinberg. Also exclude specs documentation from generated
213 manpage, and create separate ENVIRONMENT section.
215 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
217 * gcse.c (compute_pre_data): Kill trapping expressions in
218 destination blocks of abnormal edges.
220 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
222 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
223 (mn10300_get_live_callee_saved_regs): Likewise.
224 (mn10300_gen_multiple_store): Likewise.
225 (store_multiple_operation): Likewise.
226 (expand_prologue): Use mn10300_gen_multiple_store().
227 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
228 (mn10300_get_live_callee_saved_regs): Likewise.
229 (mn10300_gen_multiple_store): Likewise.
230 (store_multiple_operation): Likewise.
231 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
232 tied to store_multiple_operation().
234 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
236 * builtins.c (expand_builtin_setjmp_setup): Set
237 current_function_has_nonlocal_label.
239 2000-12-05 Neil Booth <neilb@earthling.net>
241 * cppfiles.c (stack_include_file): Push zero-length buffers
242 in case of failure. Return void, as we don't fail any more.
243 (read_include_file): Check for files we shouldn't re-read.
244 Don't return an error code; errors are implied by marking the
246 (_cpp_execute_include): Move the recursion and in-macro checks
247 here. Update for stack_include_file not failing.
248 * cpplib.c (cpp_push_buffer): Always succeed, since
249 _cpp_execute_include performs the recursion check. Tidy up.
250 * cpplib.h (cpp_push_buffer): Update prototype.
252 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
254 * sched-vis.c (visual_tbl_line_length): New variable.
255 (get_visual_tbl_length): Set it.
256 (visualize_stall_cycles): Don't let stalls overrun
257 visual_tbl_line_length.
259 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
261 * global.c (global_conflicts): Allow for a REG_UNUSED note
262 with a different mode to the REG set in the insn.
264 2000-12-05 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
266 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
268 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
270 2000-12-05 Bruce Korb <bkorb@gnu.org>
272 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
275 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
277 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
278 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
279 to cope with aliased copies.
280 * fixinc/fixincl.x: Regenerate.
282 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
284 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
285 * sched-rgn.c: Likewise.
286 (rgn_print_insn): Fix output.
288 2000-12-05 Bruce Korb <bkorb@gnu.org>
290 * fixinc/Makefile.*: make these more consistent
291 * fixinc/mkfixincl.sh: enable BeOS fixincludes
293 2000-12-05 Richard Henderson <rth@redhat.com>
295 * stmt.c (warn_if_unused_value): Move side effects test earlier.
297 2000-12-05 Alan Modra <alan@linuxcare.com.au>
299 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
302 2000-12-05 Richard Henderson <rth@redhat.com>
304 * flow.c (calculate_global_regs_live): Only force stack pointer
305 live before reload. Force pic register live before reload.
306 (insn_dead_p): Don't protect pic references from deletion.
308 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
310 * invoke.texi: Add support for using texi2pod.pl. Don't use
313 2000-12-04 Nick Clifton <nickc@redhat.com>
315 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
316 'tune_flags' for XScale nature.
317 Remove spurious test of HARD_FLOAT and XScale flags.
319 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
320 contraint, accidentally changed during XScale contribution.
322 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
323 not create these functions if the target architecture does not
324 support Thumb instructions.
326 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
328 * ONEWS: New file with the current contents of NEWS up to EGCS
330 * NEWS: Generate automatically from online release notes from EGCS
331 1.0 to GCC 2.95.2, using ../contrib/gennews.
333 2000-12-04 Neil Booth <neilb@earthling.net>
335 * tradcif.y: Move lexptr to top of file. Add rule to handle
336 assertions in conditional expressions.
337 * tradcpp.c (parse_answer): Assertions do not need to go to
338 end of line in conditional directives.
339 (parse_assertion): Get first character of identifiers correct.
340 (test_assertion): New function.
341 * tradcpp.h (test_assertion): New prototype.
343 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
345 * config.gcc: Fix typo for UnixWare 7.
347 2000-12-03 Phil Edwards <pme@sources.redhat.com>
349 * invoke.texi: Replace `pedwarns' with clearer text.
351 2000-12-04 Bruce Korb <bkorb@gnu.org>
353 * fixinc/Makefile.*(clean): don't clean autogenerated files.
354 (mainainer-clean): clean autogenerated files
356 2000-12-04 DJ Delorie <dj@redhat.com>
358 * md.texi: Add overview, clarify match_dup and define_expand.
360 2000-12-04 DJ Delorie <dj@redhat.com>
362 * print-tree.c (print_node): Target-specific builtins print
365 2000-12-04 Jason Merrill <jason@redhat.com>
367 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
370 * diagnostic.c (report_problematic_module): s/function/module/.
372 * c-lex.h: Remove decl for check_newline.
374 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
376 * README.APOLLO: Remove obsolete file.
378 2000-12-04 Neil Booth <neilb@earthling.net>
380 * cppinternals.texi: New file.
382 2000-12-04 Neil Booth <neilb@earthling.net>
384 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
385 and operate on current buffer.
386 (cpp_read_file): Rename _cpp_read_file.
387 * cpplib.c (do_line, do_pragma_system_header): Update calls to
388 cpp_make_system_header.
389 * fix-header.c: Similarly.
390 * cpphash.h (_cpp_read_file): Move from...
391 * cpplib.h: ... here.
392 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
394 2000-12-03 Kaveh R. Ghazi <ghazi@teal.rutgers.edu>
396 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
397 Handle another transformation.
399 2000-12-03 Nick Clifton <nickc@redhat.com>
401 * config.gcc: Add support for StrongARM targets.
402 * config/arm/t-strongarm-elf: New file.
403 * config/arm/t-strongarm-coff: New file.
404 * config/arm/t-strongarm-pe: New file.
405 * config/arm/strongarm-pe.h: New file.
407 2000-12-03 Nick Clifton <nickc@redhat.com>
409 * NEWS: Mention XScale has been added.
410 * config.gcc: Add support for XScale targets.
411 * config/arm/arm.h: Add support for XScale processor.
412 * config/arm/arm.c: Add support for XScale processor.
413 * config/arm/arm.md: Add support for XScale processor.
414 * config/arm/t-xscale-elf: New file.
415 * config/arm/t-xscale-coff: New file.
416 * config/arm/xscale-elf.h: New file.
417 * config/arm/xscale-coff.h: New file.
419 2000-12-03 Richard Henderson <rth@redhat.com>
421 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
422 unless exception handling is enabled, and if not using sjlj.
424 * builtins.c (expand_builtin_setjmp_setup): New.
425 (expand_builtin_setjmp_receiver): New.
426 (expand_builtin_setjmp): Split out _setup and _receiver functions.
427 Move argument parsing in from ...
428 (expand_builtin): ... here.
429 * except.c (receive_exception_label): Branch around receiver
430 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
431 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
432 * expr.h: Update builtin setjmp decls.
434 2000-12-03 Bruce Korb <bkorb@gcc.org>
436 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
437 build machine name. Default to the target.
439 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
441 * Makefile.in: use $(build_canonical), not $(canonical_build).
443 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
445 * Makefile.in (OBJS): Add sched-rgn.o.
446 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
448 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
449 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
450 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
451 MAX_BLOCKAGE_COST): Move to sched-int.h.
452 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
453 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
454 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
455 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
456 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
457 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
458 debug_regions, find_single_block_region, find_rgns, too_large,
459 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
460 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
461 extract_bitlst, bblst, struct candidate, candidate_table,
462 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
463 SRC_PROB, target_bb, split_edges, compute_trg_info,
464 debug_candidate, debug_candidates, bbset, bbset_size, dom,
465 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
466 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
467 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
468 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
469 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
470 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
471 update_live, set_spec_fed, is_pfree, find_conditional_protection,
472 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
473 is_prisky, is_exception_free, add_branch_dependences,
474 propagate_deps, compute_block_backward_dependences,
475 debug_dependencies, is_cfg_nonregular, build_control_flow,
476 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
477 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
478 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
479 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
480 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
481 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
482 rgn_rank, region_sched_info): Move to sched-rgn.c.
483 (debug_reg_vector): Delete useless function.
484 (get_bb_head_tail): Likewise.
485 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
486 no_real_insns_p, rm_line_notes, save_line_notes,
487 restore_line_notes, rm_redundant_line_notes, sched_init): No
489 (rm_line_notes, save_line_notes, restore_line_notes,
490 schedule_block, set_priorities): Change argument to be a real
491 basic block, not one of haifa's "bb"s. All callers changed
492 (rm_other_notes): Initialize note_list here, not in
494 (sched_finish): New function, called from schedule_insn. * *
495 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
496 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
497 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
498 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
499 (get_block_head_tail, no_real_insns_p, rm_line_notes,
500 save_line_notes, restore_line_notes, rm_redundant_line_notes,
501 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
502 sched_init, sched_finish, ready_add, insn_cost): Declare.
504 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
505 Bruce Korb <bkorb@gnu.org>
507 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
508 * fixinc/mkfixinc.sh: accept build system name as an argument.
509 Use it for choosing the fix build method. Use the target for
510 selecting special fix rules.
512 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
514 * Makefile.in (OBJS): Add sched-deps.o.
515 (sched-deps.o): New rule.
516 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
518 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
520 (SIZE_FOR_MODE): Delete unused macro.
521 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
522 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
523 anti_dependency_cache, output_dependency_cache,
524 forward_dependency_cache): Variables moved to sched-deps.c.
525 (add_dependence, remove_dependence, find_insn_list,
526 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
527 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
528 sched_analyze, group_leader, compute_forward_dependences,
529 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
530 Functions moved to sched-deps.c.
531 (schedule_region): Call init_deps_global and finish_deps_global
532 instead of directly manipulating dependency data structures.
533 * sched-deps.c: New file.
534 (init_deps_global, finish_deps_global): New functions.
535 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
538 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
541 * Makefile.in (OBJS): Add sched-vis.o.
542 (sched-vis.o): New rule.
543 * haifa-sched.c (get_unit_last_insn): New function.
544 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
546 (schedule_block): Call visualize_alloc and visualize_free. Delete
547 spurious return statement.
548 (init_target_units, insn_print_units, get_visual_tbl_length,
549 init_block_visualization, print_block_visualization, safe_concat,
550 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
551 print_exp, print_value, print_pattern, print_insn, target_units,
552 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
553 n_vis_no_unit, vis_no_unit): Move scheduling visualization
554 functions/variables...
555 * sched-vis.c: ...here. New file.
556 (visualize_alloc, visualize_free): New functions.
557 (visualize_scheduled_insns, visualize_stall_cycles,
558 print_block_visualization): Lose basic block argument. All callers
560 (visualize_scheduled_insns): Use new function get_unit_last_insn.
561 * sched-int.h (current_sched_info, sched_dump): Declare.
562 (init_target_units, insn_print_units, init_block_visualization,
563 print_block_visualization, visualize_scheduled_inns,
564 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
565 visualize_free): Declare functions.
567 * sched-int.h: New file.
568 * Makefile.in (haifa-sched.o): Depend on it.
569 * haifa-sched.c: Include it.
570 (no_real_insns_p): New function.
571 (current_sched_info): New static variable.
572 (__inline, HAIFA_INLINE): Moved to sched-int.h.
573 (get_block_head_tail): Minor cleanup.
574 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
575 rgn_print_insn, rgn_rank): New functions, broken out of
576 rank_for_schedule, schedule_insn and schedule_block, where they
577 are now called through function pointers in current_sched_info.
578 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
579 print_insn): To display uid and block number, call the print_insn
580 function pointer in current_schedule_info.
581 (region_sched_info): New static variable.
582 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
583 variables, moved out of schedule_block.
584 (schedule_block): Return void. All callers changed.
585 Move some of the setup code into schedule_region. Get head/tail
586 from current_sched_info, and update it when done.
587 (schedule_region): Slightly rearranged, some code moved here from
588 schedule_block. Call no_real_insns_p to avoid doing work for a
589 block that consists only of notes and labels.
590 (schedule_insns): Initialize current_sched_info.
592 2000-12-03 Neil Booth <neilb@earthling.net>
594 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
595 by contexts drops AFTER argument pre-expansion, so that they
596 remain enabled during argument pre-expansion.
597 (_cpp_pop_context): Unconditionally re-enable a macro when
598 dropping a context level.
600 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
602 * arm/t-linux (MULTILIB_OPTIONS): Comment.
603 (MULTILIB_DIRNAMES): Likewise.
604 (EXTRA_MULTILIB_PARTS): Likewise.
606 (INSTALL_LIBGCC): Likewise.
608 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
610 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
611 expand_builtin_strspn, expand_builtin_strcspn): New functions.
612 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
613 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
615 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
616 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
618 * c-common.c (c_common_nodes_and_builtins): Declare builtin
619 strcat, strncat, strspn and strcspn.
620 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
622 * extend.texi (strcat, strcspn, strncat, strspn): Document new
625 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
627 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
628 expanding strcmp at compile-time. Add another transformation.
629 (expand_builtin_strncmp): Add more transformations. Call
630 expand_builtin_memcmp, not expand_builtin_strcmp, under
631 appropriate conditions if HAVE_cmpstrsi.
633 2000-12-02 David Edelsohn <edelsohn@gnu.org>
635 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
637 (cr logic): Really make operands sequential.
639 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
641 * c-common.c (combine_strings): When the ISO C standard specifies
642 the maximum length of a string, it doesn't include the trailing
645 * cpplib.c (do_ifdef): Add check_eol() call.
646 (do_ifndef): Likewise.
648 2000-12-02 Daniel Berlin <dberlin@redhat.com>
649 Bruce Korb <bkorb@gnu.org>
651 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
652 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
653 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
654 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
655 use the "__need_" hackery. It breaks them.
656 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
657 Sometimes on DOS and BeOS the temp output file cannot be opened.
658 Skip the file noisily. Ought to be fixed instead.
660 2000-12-02 Bruce Korb <bkorb@gnu.org>
662 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * fixfixes.c (emit_gnu_type, format_write): Prototype.
665 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
666 custom uppercase ctype macros.
667 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
668 Use gcc's custom uppercase ctype macros.
670 (machine_matches): Add static prototype and constify variable.
671 (create_file, test_test, egrep_test): Add static prototype.
672 (quoted_file_exists): Likewise, and constify parameters.
673 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
674 write_replacement, test_for_changes): Add static prototype.
675 (write_replacement, test_for_changes): Delete excess argument to
677 * fixtests.c (test): Make static.
678 * server.c (load_data, sig_handler, server_setup, find_shell): Add
680 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
682 2000-12-02 Bruce Korb <bkorb@gnu.org>
684 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
685 (per Laurynas Biveinis <lauras@softhome.net>)
687 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
689 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
691 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
692 (REGNO_OK_FOR_FOR_BASE_P): Delete.
693 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
694 both strict and non-strict uses.
695 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
696 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
697 (REG_OK_FOR_INDEX_P): Define in terms of above.
698 (REG_OK_FOR_BASE_P): Delete.
699 (REG_OK_FOR_PRE_POST_P): Delete.
700 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
701 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
702 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
703 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
704 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
705 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
706 in pre/post increment cases.
707 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
708 (ARM_LEGITIMIZE_ADDRESS): Similarly.
709 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
710 * arm.c (legitimate_pic_address): Similarly.
712 2000-12-02 Neil Booth <neilb@earthling.net>
714 * tradcpp.c (struct answer, parse_assertion, parse_answer,
715 canonicalize_text, find_answer): New.
716 (do_assert, do_unassert): Provide appropriate function bodies.
717 (union hashval): New member answers.
719 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
721 * config/avr/avr.md: Document UNSPEC usage.
722 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
723 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
724 MEM for program memory word reference. Do not add the label to
725 the table index in each of the asm output templates, instead ...
726 (casesi): ... do it in RTL. Adjust to match the above change.
728 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
730 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
731 * c-decl.c: ... not here.
733 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
734 (old_max_uid): New variable.
735 (compute_forward_dependences): Renamed from
736 compute_block_forward_dependences; changed to accept block head and
737 tail instead of block number. Caller changed.
738 (free_deps, init_dependency_caches, free_dependency_caches,
739 init_regions, sched_init): New functions, split out from
740 schedule_insns and compute_block_backward_dependences.
742 2000-12-02 Neil Booth <neilb@earthling.net>
744 * cppexp.c (parse_number): Update diagnostic test.
746 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
748 * reload1.c (free_for_value_p): New function, frontend to
749 reload_reg_free_for_value_p. All callers of the latter now call
750 this function with an additional mode argument.
752 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
754 * install.texi (Configurations): Remove obsolete documentation for
757 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
759 * install.texi (Installation): Remove obsolete description for
760 libstdc++ which is now an integral part of GCC.
762 2000-12-01 Jim Blandy <jimb@redhat.com>
764 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
765 invisible reference in registers, but then spilled to the stack.
766 Remove code to emit a second stab for such parameters; it attempts
767 to describe the value's location by introducing a synthetic C++
768 `reference' type, and then saying the stack slot has that
769 reference type. This loses type information (breaking GDB's
770 `ptype' command, among other things) just to describe a location
771 which stabs can represent correctly in other ways.
773 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
775 * final.c (output_addr_const) <PLUS>: Don't assume at least one
776 operand is a CONST_INT.
778 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
779 (machine_dependent_reorg): Split all insns.
780 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
781 reg_class_contents[SIBCALL_REGS].
782 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
783 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
784 call_value_pcrel, call, call_value, sibcall): Match even when
786 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
788 (sibcalli): Likewise.
790 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
792 * c-common.c (warn_format, warn_format_y2k,
793 warn_format_extra_args, warn_format_nonliteral): Define.
794 (check_format_info): Check warn_format_nonliteral and
795 warn_format_extra_args.
796 (check_format_info_main): Check warn_format_y2k.
797 (set_Wformat): New function.
798 * c-common.h (warn_format_y2k, warn_format_extra_args,
799 warn_format_nonliteral, set_Wformat): Declare.
800 * c-decl.c (warn_format): Remove definition.
801 (c_decode_option): Handle -Wformat-nonliteral,
802 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
804 * invoke.texi: Document these new options and -Wformat=2.
805 * toplev.c (documented_lang_options): Add these new options.
807 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
809 * builtins.def (BUILT_IN_IMAXABS): Add.
810 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
811 * c-common.c (c_common_nodes_and_builtins): Create builtin
812 functions __builtin_imaxabs, and plain imaxabs unless
813 flag_no_nonansi_builtin outside C99 mode.
814 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
815 * extend.texi: Document builtin imaxabs.
817 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
819 * c-common.c: Include "defaults.h".
820 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
821 (c_common_nodes_and_builtins): Create string_type_node,
822 const_string_type_node, wint_type_node, intmax_type_node,
823 uintmax_type_node, default_function_type, ptrdiff_type_node and
824 unsigned_ptrdiff_type_node.
825 * c-common.h (identifier_global_value): Declare.
826 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
827 (init_decl_processing): Don't create string_type_node,
828 const_string_type_node, wint_type_node, intmax_type_node,
829 uintmax_type_node, default_function_type, ptrdiff_type_node and
830 unsigned_ptrdiff_type_node.
831 (identifier_global_value): New function.
833 2000-12-01 Neil Booth <neilb@earthling.net>
835 * cppinit.c (initialize): Forgotten prototype.
836 * cpplex.c (_cpp_lex_token): Loop until not skipping.
837 Always clear PREV_WHITE upon meeting a new line.
838 * cpplib.c (end_directive): Set pfile->skipping after
840 * cpplib.h (cpp_reader): Remove macro_pos.
841 * cppmacro.c (cpp_get_line): Don't do anything special inside
843 (parse_arg): Add PREV_WHITE if a token appears after new lines.
844 (funlike_invocation_p): Save and restore the output position
845 over a successful check for a '('.
846 (enter_macro_context): Delete uses of macro_pos.
847 (cpp_get_token): Don't use pfile->skipping.
849 2000-12-01 Phil Edwards <pme@sources.redhat.com>
851 * diagnostic.c: Fix typos in comments.
852 * diagnostic.h: Likewise.
854 2000-11-30 Phil Edwards <pme@sources.redhat.com>
856 * rtl.texi (Machine Modes): Document BImode and OImode.
858 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
860 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
863 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
865 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
866 incomplete element type.
867 (grokparms): Before checking for incomplete parameter type, check
868 the type isn't error_mark_node.
870 2000-12-01 Jakub Jelinek <jakub@redhat.com>
872 * builtins.c (target_char_cast): New function.
873 (expand_builtin_strchr): Use it.
874 (expand_builtin_strrchr): Use it.
875 (builtin_memset_read_str): New function.
876 (expand_builtin_memset): Use target_char_cast.
877 Try to optimize memset with second argument non-zero using
880 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
882 * install.texi (avr): Replace incomplete list of supported MCU
883 types with a link to the current one ...
884 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
885 all supported MCU types. Document -minit-stack= default.
886 Document new options -mno-tablejump, -mtiny-stack.
887 * md.texi (AVR family): Fix typo in 'w' constraint letter
888 description. Document 'q'. Update 'O'.
890 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
892 * combine.c (cant_combine_insn_p): Only disallow insns involving
893 hard regs if they are reg-reg moves.
894 (try_combine, can_combine_p, combinable_i3pat): Delete old
895 SMALL_REGISTER_CLASSES tests.
897 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
899 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
900 whether X is a CONST_INT.
901 (addsubcosts): Likewise.
903 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
905 (ARG_POINTER_REGNUM): Set to AP_REG.
907 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
909 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
910 splits): Only match on TARGET_SH4.
912 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
915 2000-11-30 Richard Henderson <rth@redhat.com>
917 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
918 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
920 2000-11-30 Richard Henderson <rth@redhat.com>
922 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
923 (DO_SELECT_SECTION): New.
924 (SELECT_SECTION): Use it.
925 (UNIQUE_SECTION_P): New.
926 (UNIQUE_SECTION): New.
928 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
930 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
931 from va_list before using it.
933 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
935 * flow.c (make_edge): Early out, if no flags to set.
936 (calculate_global_regs_live): Clear out garbage only when necessary.
938 * simplify-rtx.c (varray_type used_regs): New.
939 (clear_table): Use it to only clear necessary items.
940 (cselib_lookup, cselib_record_set): Remember newly set items.
941 (cselib_update_varray_sizes, cselib_init): Initialize and grow
944 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
945 Move clearing of dead regs out of insn-loop.
947 2000-11-30 Richard Henderson <rth@redhat.com>
949 * calls.c (expand_call): Emit queued insns before creating
950 the tail recursion sequence.
952 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
953 Bruce Korb <bkorb@gnu.org>
955 * fixinc/inclhack.def(): prevent dual double definition protection
956 * fixinc/fixincl.x: regenerate
958 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
960 * fixinc/Makefile.in (fixincl.x): Explicitly state the
961 location of the generated file.
963 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
965 * README.FRESCO: Remove obsolete file.
967 2000-11-30 Mark Kettenis <kettenis@gnu.org>
969 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
970 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
971 config/t-linux for the Hurd.
973 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
975 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
976 config/mn10200/udivmodsi4.c: Moved from here.
977 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
978 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
979 C division functions.
980 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
982 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
984 * pa.md (conditional moves): Avoid holes in operand list.
985 (mod, umod patterns): Similarly.
986 (variable extract/shift patterns): Similarly.
988 2000-11-30 Neil Booth <neilb@earthling.net>
990 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
991 maybe_objc_check_decl, build_objc_string_object,
992 objc_declare_alias, objc_declare_class, build_message_expr,
993 build_protocol_expr, build_selector_expr, build_encode_expr,
994 get_class_ivars, start_class, start_protocol): Remove
995 redundant code, assuming doing_objc_thang is true.
997 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
999 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
1000 (record_unscaled_index_insn_codes): Likewise.
1001 (unscaled_index_insn_codes): Delete.
1002 (max_unscaled_index_insn_codes_uid): Delete.
1003 (output_function_prologue, output_function_epilogue, pa_reorg):
1004 Don't use the unscaled index insn hack.
1006 * pa.md: Remove hack from all index insns to reverse the operand
1007 order of frame and stack pointer references incorrectly created
1010 * function.h (emit_status): Delete member regno_pointer_flag and
1011 rename regno_pointer_flag_length to regno_pointer_align_length.
1012 Delete define for REGNO_POINTER_FLAG.
1013 * integrate.h (inline_remap): Delete member regno_pointer_flag.
1014 Add member x_regno_reg_rtx.
1015 * rtl.h (rtx_def): Use frame_related bit to indicate register is
1016 a pointer in REG expressions. Define REG_POINTER macro.
1017 * alias.c (find_base_value, find_base_term): Use REG_POINTER
1018 instead of REGNO_POINTER_FLAG.
1019 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
1020 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
1021 of regno_pointer_flag_length. Remove code which refers to
1023 (mark_reg_pointer): Use REG_POINTER.
1024 (free_emit_status): Remove code which refers to regno_pointer_flag.
1025 (init_emit, mark_emit_status): Likewise.
1026 * flow.c (dump_flow_info): Likewise.
1027 * function.c (preserve_temp_slots): Likewise.
1028 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
1029 Use x_regno_reg_rtx instead of regno_pointer_flag for function
1030 pointer determination in map.
1031 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
1032 * predict.c (estimate_probability): Likewise.
1033 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
1034 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
1035 regno_pointer_flag for function pointer determination in map.
1036 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
1038 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
1040 (restore_unscaled_index_insn_codes): Revise comment.
1042 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
1044 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
1046 * extend.texi: Update documentation for attributes.
1048 2000-11-29 David O'Brien <obrien@FreeBSD.org>
1050 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
1051 (ASM_DECLARE_OBJECT_NAME): Same.
1052 (ASM_FILE_END): Same.
1053 (ASM_FINISH_DECLARE_OBJECT): Same.
1054 (ASM_IDENTIFY_GCC): Same.
1055 (ASM_IDENTIFY_LANGUAGE): Same.
1056 (ASM_OUTPUT_CONSTRUCTOR): Same.
1057 (ASM_OUTPUT_DEF): Same.
1058 (ASM_OUTPUT_DESTRUCTOR): Same.
1059 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
1060 (ASM_OUTPUT_SECTION_NAME): Same.
1061 (ASM_WEAKEN_LABEL): Same.
1062 (BSS_SECTION_ASM_OP): Same.
1063 (COMMON_ASM_OP): Same.
1064 (CONST_SECTION_ASM_OP): Same.
1065 (CONST_SECTION_FUNCTION): Same.
1066 (CTORS_SECTION_ASM_OP): Same.
1067 (DTORS_SECTION_ASM_OP): Same.
1069 (FINI_SECTION_ASM_OP): Same.
1070 (IDENT_ASM_OP): Same.
1071 (IDENT_ASM_OP): Same.
1072 (INIT_SECTION_ASM_OP): Same.
1074 (MAX_OFILE_ALIGNMENT): Same.
1075 (SBSS_SECTION_ASM_OP): Same.
1076 (SDATA_SECTION_ASM_OP): Same.
1077 (SECTION_FUNCTION_TEMPLATE): Same.
1078 (SELECT_SECTION): Same.
1079 (SE_CONST_SECTION): Same.
1080 (SIZE_ASM_OP): Same.
1081 (SKIP_ASM_OP): Same.
1082 (STRING_ASM_OP): Same.
1083 (STRING_LIMIT): Same.
1084 (TYPE_ASM_OP): Same.
1085 (TYPE_OPERAND_FMT): Same.
1087 2000-11-29 Neil Booth <neilb@earthling.net>
1089 * c-decl.c (c_decode_option): Don't handle -lang-objc.
1090 * objc/lang-options.h: Remove -lang-objc.
1091 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
1092 * objc/objc-act.c (lang_init_options): Set c_language.
1094 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1096 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
1099 2000-11-29 Neil Booth <neilb@earthling.net>
1101 * c-pragma.c (init_pragma): Update for parse_in type change.
1103 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
1105 * configure.in: recognize DOS-style absolute paths.
1107 2000-11-29 Jakub Jelinek <jakub@redhat.com>
1109 * expr.h (store_by_pieces): Add prototype.
1110 (can_store_by_pieces): Likewise.
1111 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
1112 (can_store_by_pieces): New.
1113 (store_by_pieces): New.
1114 (clear_by_pieces): New.
1115 (clear_by_pieces_1): New.
1116 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
1117 arbitrary compiler generated constants into memory block.
1118 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
1119 * builtins.c (c_readstr): New.
1120 (builtin_memcpy_read_str): New.
1121 (expand_builtin_memcpy): If src is string constant and
1122 emit_block_move would move it by pieces, compute integer constants
1123 from the string and store it into memory block instead.
1124 (builtin_strncpy_read_str): New.
1125 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
1126 not return INTEGER_CST, don't optimize.
1127 If N is larger than strlen(src) + 1, try to copy the string
1128 including padding with store_by_pieces.
1129 (expand_builtin_strcmp): If both arguments have side effects, don't
1131 (expand_builtin_fputs): If STR has side effects, don't optimize.
1133 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
1135 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
1136 Add use of link register.
1138 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
1140 * extend.texi: Update documentation for default format attributes.
1142 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
1144 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1145 a list, to keep track of the sections.
1147 2000-11-28 Nick Clifton <nickc@redhat.com>
1149 * config/arm/arm.md (pic_load_addr): Split into
1150 pic_load_addr_arm and pic_load_addr_thumb.
1152 * config/arm/arm.c (legitimize_pic_address): Generate either
1153 ARM or Thumb versions of pic_load_addr.
1154 (arm_finalize_pic): Generate either ARM or Thumb versions of
1157 2000-11-28 Richard Henderson <rth@redhat.com>
1159 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
1160 after sibcall do_pending_stack_adjust.
1162 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
1164 * jump.c (delete_insn): Check that REG_LABEL note actually contains
1167 2000-11-28 Neil Booth <neilb@earthling.net>
1169 * c-common.h: Remove flag_digraphs.
1170 * c-decl.c: Remove flag_digraphs.
1171 (c_decode_option): Don't set it.
1172 * c-lex.c (init_c_lex): Don't do anything for digraphs.
1174 2000-11-28 Richard Henderson <rth@redhat.com>
1176 * c-parse.in (finish_parse): Update for parse_in type change.
1179 2000-11-28 Neil Booth <neilb@earthling.net>
1181 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
1182 indicating whether to scan all buffers on the stack or
1184 * cppinit.c (do_includes): Update.
1185 * cppmain.c (main): Update.
1186 * cpplib.h: Update prototype.
1188 2000-11-28 Richard Henderson <rth@redhat.com>
1190 * genoutput.c (validate_insn_operands): New.
1191 (gen_insn): Call it.
1193 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
1194 (divmoddi_internal): Likewise.
1195 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
1196 * config/i960/i960.md (branch patterns): Likewise.
1197 * config/ia64/ia64.md (tbit_and_0): Likewise.
1198 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
1199 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
1200 * config/mips/mips.md (divmodsi4_internal): Likewise.
1201 (divmoddi4_internal): Likewise.
1202 * config/rs6000/rs6000.md (call patterns): Likewise.
1203 * config/sh/sh.md (movsi_y): Likewise.
1204 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
1206 2000-11-28 Richard Henderson <rth@redhat.com>
1208 * config.gcc: Kill residual pyramid support.
1210 2000-11-28 Neil Booth <neilb@earthling.net>
1212 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
1213 * c-decl.c (c_decode_option): Update to match.
1214 * c-lex.c (init_c_lex, yyparse): Update to match.
1215 * c-lang.c (lang_init_options): Use cpp_create_reader.
1216 * cppinit.c (cpp_init): Rename initialize.
1217 (cpp_reader_init): Rename cpp_create_reader. Create the
1218 reader. Initialize cpplib if appropriate.
1219 * cpplib.h (cpp_create_reader) New prototype.
1220 (cpp_init, cpp_reader_init): Delete prototypes.
1221 * cppmain.c (general_init, setup_callbacks): New functions.
1223 * fix-header.c (scan_in): Change type to cpp_reader *.
1224 (read_scan_file): Update for new cpplib interface and scan_in type.
1226 * cp/decl.c (parse_in): Change to cpp_reader *.
1227 (lang_decode_option): Update.
1228 * cp/lex.c (lang_init_options): Use new cpplib interface.
1229 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
1230 * cp/spew.c (read_token): Update.
1231 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
1233 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1235 * loop.c (load_mems): Avoid using next_label to find end_label. If
1236 jumping outside of the loop (other than loop end), don't hoist MEMs
1239 2000-11-28 Jan Hubicka <jh@suse.cz>
1241 * calls.c (expand_call): Don't disable tail recursion based
1244 2000-11-28 Neil Booth <neilb@earthling.net>
1246 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
1247 (struct directive): Drop 4th argument from handlers.
1248 (do_define, do_line, do_include, do_undef, do_else, do_elif,
1249 do_endif): Similarly.
1250 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
1251 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
1252 (make_definition, make_undef): Take a const char*.
1253 (make_assertion): New function.
1254 (struct directive_table): Update.
1255 (main): Handle -A command line argument.
1256 (handle_directive): Drop fourth handler argument.
1258 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
1260 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
1261 is anything but REG or MEM, but look inside STRICT_LOW_PART.
1263 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1265 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
1266 (IS_ABSOLUTE_PATHNAME): New macro.
1267 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
1269 2000-11-28 Jakub Jelinek <jakub@redhat.com>
1271 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
1273 2000-11-27 Jim Wilson <wilson@redhat.com>
1275 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
1277 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
1279 * extend.texi (Nested Functions): Update URL of Usenix paper.
1281 2000-11-27 Mark Mitchell <mark@codesourcery.com>
1283 * function.c (free_after_compilation): Clear x_clobber_return_insn.
1285 2000-11-27 Neil Booth <neilb@earthling.net>
1287 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
1288 command line options.
1289 (cpp_handle_option): Similarly.
1290 * cpplib.h (struct cpp_options): Remove warn_paste.
1291 * cppmacro.c (paste_tokens): Apart from assembler, make
1292 unpasteable token warning mandatory.
1294 2000-11-27 Neil Booth <neilb@earthling.net>
1296 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
1297 (main): Allocate a pending directive set of these. Use it.
1298 Merge handling of -D and -U. Update handling of pending
1299 directives. Free the memory after use.
1301 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1303 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
1304 (struct propagate_block_info): Add new member cond_local_set.
1305 (propagate_block): Accept new arg cond_local_set. All callers
1307 (init_propagate_block_info): Likewise.
1308 (calculate_global_regs_live): Allocate & free cond_local_set. Always
1309 rescan if there's overlap between cond_local_set and new_live_at_end.
1310 (mark_set_1): Set bits either in cond_local_set or local_set, as
1312 * basic-block.h (struct basic_block_def): New field cond_local_set.
1313 (propagate_block, init_propagate_block_info): Update prototypes.
1315 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
1317 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
1320 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1322 * arm.c (select_dominance_cc_mode): Handle new way that combine
1323 canonicalizes conditional compares.
1324 (arm_select_cc_mode): Likewise.
1325 * arm.md: Garbage collect some dead code.
1326 (cmp_and, cmp_ior): New patterns.
1327 (splitter for conditional move with inverted false): Use cond_exec
1328 and handle unordered comparisons.
1330 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
1332 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
1333 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
1334 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
1335 ix86_force_to_memory and ix86_free_from_memory.
1337 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
1339 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
1340 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
1341 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
1342 one_cmpldi2): Merge with splitters to create define_insn_and_split
1343 patterns. Remove redundant splits.
1344 (peephole2 for add:SI of invalid immediate): New.
1345 (peephole2 for minus:SI of invalid immediate): New.
1346 (peephole2 for ior:SI of invalid immediate): New.
1347 (peephole for merge of move and compare): Convert ot peephole2.
1348 (addsf3, adddf3): Mark as commutative.
1350 * arm.md (thumb peephole for merging stack adjustments): Convert to
1353 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
1355 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
1357 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
1358 (reload_cse_simplify_operands): Do nothing about operands where both
1359 the operand and the match_operand fail to give us a mode.
1360 * simplify-rtx.c (wrap_constant): New function.
1361 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
1362 CONST describing the proper mode.
1363 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
1365 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
1366 htab_find_slot_with_hash.
1367 (cselib_lookup): Likewise.
1369 Based on a patch from Geoff Keating <geoffk@redhat.com>:
1370 * loop.c (basic_induction_var): If a REG is set from something
1371 that is not a biv, then the REG is not a biv. Even if it is
1372 earlier set from something that is a biv.
1374 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
1376 * configure.in (extra_objs): Enclose extra_headers in quotes.
1377 * configure: Rebuilt.
1379 2000-11-27 Neil Booth <neilb@earthling.net>
1381 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
1382 Combine into the new function cb_change_file.
1383 (init_c_lex): Update.
1384 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
1385 (cpp_syshdr_flags): Delete.
1386 * cpphash.h (_cpp_do_file_change): New prototype.
1387 Move struct cpp_buffer here from...
1388 * cpplib.h (struct cpp_buffer): ... here.
1389 (enum cpp_fc_reason, struct cpp_file_loc,
1390 struct_cpp_file_change, change_file): New.
1391 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
1392 * cpplib.c (do_line): Update for new cb_change_file callback.
1393 (_cpp_do_file_change): New function.
1394 (_cpp_pop_buffer): Update to use it.
1395 * cppmain.c (move_printer): Delete.
1396 (main): Set up single callback cb_change_file.
1397 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
1398 (cb_change_file): New.
1399 * fix-header.c (cur_file, cb_change_file): New.
1400 (recognized_function, read_scan_file): Update.
1401 * scan-decls.c (scan_decls): Update.
1402 * scan.h (recognized_function): Update prototype.
1404 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1406 * tree.h (mark_tree_hashtable): New function.
1407 * tree.c (mark_tree_hashtable_entry): New function.
1408 (mark_tree_hashtable): Likewise.
1410 2000-11-27 Michael Meissner <meissner@redhat.com>
1412 * d30v-protos.h (srelational_si_operator): Correctly spell
1414 (urelational_si_operator): Ditto.
1415 (relational_si_operator): Ditto.
1416 (d30v_expand_prologue): Add prototype.
1417 (d30v_expand_epilogue): Ditto.
1419 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
1421 * d30v.md (movcccc_*): Delete now unused patterns.
1422 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
1424 (define_cond_exec): Use 'b' to select branch flags.
1426 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1428 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
1430 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
1432 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
1434 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1435 strncpy and strncmp.
1437 * extend.texi (strncmp, strncpy): Document new builtins.
1439 2000-11-26 Mark Mitchell <mark@codesourcery.com>
1441 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
1442 a list, to keep track of the sections.
1443 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
1444 parameter provided will always be a canonical string.
1446 2000-11-26 Neil Booth <neilb@earthling.net>
1448 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
1451 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
1453 * makefile.vms: Remove EGCS references.
1455 2000-11-26 Ulrich Drepper <drepper@redhat.com>
1457 * dwarf2out.c (output_file_names): New function. Compute minimal
1458 combination of directory and file name table and emit them.
1459 (output_line_info): Remove code to emit directory and file name
1460 table and call output_file_names instead.
1461 (file_info_cmp): Helper function to sort directory names.
1463 2000-11-26 Neil Booth <neilb@earthling.net>
1465 * cpplib.h (struct cpp_reader): Remove lang_asm.
1466 (struct cpp_options): Remove c89. New members lang,
1468 * cppexp.c (parse_number): Use them.
1469 * cpphash.h (VALID_SIGN): Use them.
1470 * cppinit.c (set_lang, cpp_start_read): Update.
1471 * cpplex.c (parse_string, _cpp_lex_token): Update.
1472 * cpplib.c (_cpp_handle_directive): Update.
1473 * cppmacro.c (parse_args): Update.
1474 * cppmain.c (scan_buffer): Update.
1476 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1478 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
1481 2000-11-26 Neil Booth <neilb@earthling.net>
1483 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
1484 * c-decl.c: Remove parse_in declaration.
1485 * c-lang.c: Similarly.
1486 * c-lex.c: Similarly.
1487 * c-parse.in: Similarly.
1488 * c-pragma.c: Similarly.
1489 * configure.in: Similarly.
1490 * cp/Make-lang.in: Similarly.
1491 * cp/spew.c: Similarly.
1492 * cp/decl2.c: Remove check for lang-c++ option.
1493 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
1494 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
1495 * c-lex.h: Add declaration of parse_in.
1496 * cppinit.c: Call set_lang after allocating pfile->pending.
1497 * configure: Regenerate.
1499 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
1501 * combine.c (try_combine): Remove redundant test.
1503 2000-11-25 Richard Henderson <rth@redhat.com>
1505 * c-common.h (DECL_C_HARD_REGISTER): New.
1506 * c-decl.c (finish_decl): Set it for asm register variables.
1507 * c-semantics.c (emit_local_var): Test it when instantiating one.
1509 2000-11-25 Richard Henderson <rth@redhat.com>
1511 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
1512 lineno for the start of the function.
1514 2000-11-25 Richard Henderson <rth@redhat.com>
1516 * dwarf2out.c (file_table, file_table_allocated): Remove.
1517 (file_table_allocated): Remove.
1518 (struct file_table): New.
1519 (decl_file_table, line_file_table): New.
1520 (print_dwarf_line_table): Use them.
1521 (size_of_line_prolog): Likewise.
1522 (output_line_info): Likewise.
1523 (add_src_coords_attributes): Likewise.
1524 (gen_subprogram_die): Likewise.
1525 (gen_variable_die): Likewise.
1526 (dwarf2out_add_library_unit_info): Likewise.
1527 (dwarf2out_line): Likewise.
1528 (lookup_filename): Take a struct file_table argument.
1529 (init_file_table): New.
1530 (dwarf2out_init): Use it.
1532 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
1534 * invoke.texi: Update sequence points references.
1536 2000-11-25 Neil Booth <neilb@earthling.net>
1538 * c-common.c: Remove USE_CPPLIB conditional inclusions.
1539 * c-common.h: Similarly.
1540 * c-decl.c: Similarly.
1541 * c-lang.c: Similarly.
1542 * c-lex.c: Similarly.
1543 * c-parse.in: Similarly.
1544 * c-pragma.c: Similarly.
1545 * c-pragma.h: Similarly.
1547 * toplev.c: Similarly.
1548 * cp/cp-tree.h: Similarly.
1549 * cp/decl2.c: Similarly.
1550 * cp/lang-specs.h: Similarly.
1551 * cp/lex.c: Similarly.
1552 * cp/lex.h: Similarly.
1553 * cp/spew.c: Similarly.
1554 * java/lang-options.h: Similarly.
1555 * objc/lang-specs.h: Similarly.
1556 * objc/objc-act.c: Similarly.
1558 * configure.in: Remove configure option.
1559 * config.in: Regenerate.
1560 * configure: Regenerate.
1562 2000-11-25 Richard Henderson <rth@redhat.com>
1564 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
1565 Revert 2000-11-22 change.
1567 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
1569 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
1572 2000-11-25 Philipp Thomas <pthomas@suse.de>
1573 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
1574 * configure: Rebuilt.
1576 2000-11-25 Jakub Jelinek <jakub@redhat.com>
1578 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
1579 Handle CONST_INT as second argument.
1580 * config/sparc/sparc.c (set_extends): Remove first argument.
1581 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
1583 (sparc_check_64): Abort if first argument is not REG.
1584 If it is DImode REG, look at the lower register of the register
1587 * config/sparc/sparc.c (load_pic_register, restore_regs,
1588 output_return, sparc_v8plus_shift, sparc_function_profiler,
1589 sparc_function_block_profiler, sparc_block_profiler): Fix output
1592 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
1594 * config/sh/sh.h (TARGET_NONE): New.
1595 (TARGET_SWITCHES): For all variant-selecting switch, use
1596 TARGET_NONE to reset all other variant-selecting switch. Added
1597 empty strings to avoid warnings.
1598 (TARGET_DEFAULT): Set to SH1_BIT.
1600 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
1603 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
1604 (sibcall_pcrel): New insn_and_split.
1605 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1607 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
1608 symPLT_label2reg, call, call_value): Don't set
1609 current_function_uses_pic_offset_table.
1610 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
1611 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
1612 takes it into account.
1613 (FINALIZE_PIC): Delete, useless.
1614 (LEGITIMATE_CONSTANT_P): Delete, unused.
1615 * config/sh/sh.c (sh_expand_prologue): Don't use
1616 current_function_uses_pic_offset_table. Don't special-case
1617 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
1619 (sh_expand_epilogue, initial_elimination_offset): Don't
1620 special case PIC_OFFSET_TABLE_REGNUM.
1622 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
1624 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
1625 * config/sh/sh.md (UNSPEC_CALLER): New constant.
1626 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
1627 (call_pcrel, call_value_pcrel): New insn_and_splits.
1628 (call, call_value): Use them.
1629 (call_site): New expand.
1630 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
1631 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
1632 Output call_site label.
1633 (PREDICATE_CODES): Added symbol_ref_operand.
1634 * config/sh/sh.c (symbol_ref_operand): Define.
1635 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
1636 to CALL_INSNs in the split sequence.
1638 2000-11-24 Nick Clifton <nickc@redhat.com>
1640 * config.gcc (v850-*-*): Define c_target_objs and
1643 * config/v850/t-v850: Define how to build v850-c.o
1645 * config/v850/v850.h (struct data_area_stack_element): Move
1646 definition here from v850.c.
1648 * config/v850v850.c: Include gcc.h to avoid compile time
1650 (push_data_area): Move to v850-c.c.
1651 (pop_data_area): Move to v850-c.c.
1652 (mark_current_function_as_interrupt): Move to v850-c.c.
1653 (GHS_default_section_names): Allow to be exported.
1654 (GHS_current_section_names): Allow to be exported.
1655 (data_area_stack_elements): Allow to be exported.
1656 (ghs_pragma_section): Move to v850-c.c.
1657 (ghs_pragma_interrupt): Move to v850-c.c.
1658 (ghs_pragma_starttda): Move to v850-c.c.
1659 (ghs_pragma_startsda): Move to v850-c.c.
1660 (ghs_pragma_startzda): Move to v850-c.c.
1661 (ghs_pragma_endtda): Move to v850-c.c.
1662 (ghs_pragma_endsda): Move to v850-c.c.
1663 (ghs_pragma_endzda): Move to v850-c.c.
1665 * config/v850/v850-c.c: New file: Contains v850 specific
1666 pragma parsing functions.
1668 2000-11-24 Nick Clifton <nickc@redhat.com>
1670 * config.gcc (extra_objs): Remove duplicate description.
1671 (c_target_objs): New variable. Contains target specific
1672 object files for the gcc C compiler only.
1673 (cxx_target_objs): New variable. Contains target specific
1674 object files for the gxx C++ compiler only.
1676 * configure.in (c_target_objs): Substitute in the makefile.
1677 (cxx_target_objs): Substitute in the makefile.
1678 * configure: Regenerate.
1680 * Makefile.in (C_TARGET_OBJS): Define and initialise from
1682 (CXX_TARGET_OBJS): Define and initialise from
1684 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
1686 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
1688 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
1689 about how the use of the 'c_lex' function requires the use of
1690 the target specific, language specific object files feature of
1691 the configuration mechanism.
1693 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1695 * gcc.c (process_command): Use F_OK, not R_OK.
1697 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
1699 * flow.c (print_rtl_and_abort): Remove ANSIism.
1701 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
1703 * config/sh/sh.h (GENERAL_REGISTER_P,
1704 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
1705 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
1707 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
1708 * config/sh/sh.c: Use new macros.
1709 * config/sh/sh.md: Likewise.
1711 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
1713 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
1714 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
1717 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
1719 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
1721 (machine_dependent_reorg): Wrong optimization based on
1722 NOTICE_UPDATE_CC removed.
1724 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
1726 * jump.c (delete_computation): Re-instate deletion of feeding insn.
1727 (delete_insn): Look for REG_LABEL notes.
1728 (redirect_tablejump): Delete feeding insns.
1730 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
1732 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
1733 call_value_pop_1): Make sure operand numbers are contiguous.
1735 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
1737 * reload1.c (conflicts_with_override): New function.
1738 (emit_input_reload_insns): Use it to tighten test for validity
1739 of substituting into output of previous insn.
1741 * haifa-sched.c (struct ready_list): New.
1742 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
1744 (schedule_insn): Replace args READY and N_READY with a pointer to a
1745 ready_list; return void. Use the new functions to access the ready
1746 list. All callers changed.
1747 (queue_to_ready, debug_ready_list): Likewise.
1748 (schedule_block): Initialize a ready_list structure. Use new
1749 functions to access it.
1750 (max_priority): Remove unused variable.
1751 (schedule_insn): Don't set it.
1753 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
1755 * combine.c (cant_combine_insn_p): New function.
1756 (try_combine): Use it.
1758 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
1759 * c-common.c (c-obstack.c): Include "obstack.h".
1760 (struct reverse_tree): Delete.
1761 (reverse_list, reverse_max_depth): Delete.
1762 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
1763 (struct tlist, struct tlist_cache): New.
1764 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
1765 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
1766 warn_for_collisions, warn_for_collisions_1, new_tlist): New
1768 (verify_sequence_points): Rewritten.
1769 * fold-const.c (fold): Don't lose possibly important sequence
1770 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
1772 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
1774 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
1775 when reversing a register-to-register copy. Reversal now disabled
1776 when the previous instruction has a REG_EQUIV.
1778 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
1780 * c-parse.in (unary_expr): Move VA_ARG from here ...
1781 (primary): ... to here.
1783 2000-11-23 Graham Stott <grahams@redhat.com>
1785 * expr.c (store_constructor): If a field is non addressable and
1786 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
1788 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
1790 * flow.c (print_rtl_and_abort): New function.
1791 (verify_wide_reg, verify_local_live_at_start): Try to dump more
1792 information before aborting.
1794 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
1796 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
1797 is narrower than requested mode.
1798 (gen_highpart): Abort if register mode is narrower than
1801 2000-11-23 Graham Stott <grahams@redhat.com>
1803 * cse.c (cse_insn): Initialise all regcost variables.
1804 Fix a typo add missing '='.
1805 Only compare costs if there is a replacement insn.
1807 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
1809 * final.c (output_addr_const) [LABEL_REF]: Simplify.
1810 [MINUS]: Enclose non-CONST_INTs in parentheses.
1811 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
1812 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
1813 * varasm.c (decode_rtx_const) [CONST]: If it's not something
1814 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
1815 instead of abort()ing.
1816 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
1817 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
1818 formerly handled in output_pic_addr_const.
1819 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
1820 operands of MINUS in CONSTs so that decode_rtx_const() will
1823 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
1825 * config/sh/sh.md (mova_const): New pattern.
1826 (GOTaddr2picreg): Use it.
1827 * config/sh/sh.c (broken_move): Match it.
1828 (mova_p): Don't match it.
1829 (machine_dependent_reorg): Adjust it.
1831 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
1833 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
1834 Moved most register-number #defines...
1835 * config/sh/sh.md (define_constants): ... here. Use macros to
1836 refer to registers and unspecs.
1837 * config/sh/sh.c: Likewise.
1839 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
1841 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
1842 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
1843 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1844 (splay-tree.o, hash.o): Likewise.
1846 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
1847 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1848 (hashtab.o): Likewise.
1849 (gcov.o): Depend on $(CONFIG_H).
1850 * configure.in: #include insn-codes.h in tm.h.
1852 2000-11-22 Nick Clifton <nickc@redhat.com>
1854 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
1855 const char * to avoid a compile time warning.
1857 * config/arm/arm.md (define_constants): Define symbolic names for
1858 the link register, last integer register and the fake CC register.
1859 Update patterns to use these symbolic names.
1861 2000-11-22 Neil Booth <neilb@earthling.net>
1863 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
1864 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
1866 2000-11-22 Richard Henderson <rth@redhat.com>
1868 * haifa-sched.c (sched_analyze_1): Don't special-case calls
1869 for clobbering registers.
1870 (sched_analyze_2): Likewise.
1871 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
1873 2000-11-22 Chris Demetriou <cgd@sibyte.com>
1874 Neil Booth <neilb@earthling.net>
1876 * gcc.c (validate_switches): Validate multiple switches named
1877 in '|' (or) expressions in specs.
1878 (handle_braces): If more than 1 alternative in a '|' spec
1879 matches, call do_spec1 just once.
1881 2000-11-22 Michael Meissner <meissner@redhat.com>
1883 * d30v.h (TARGET_SWITCHES): Add documentation strings.
1884 (TARGET_OPTIONS): Ditto.
1885 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
1888 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
1890 * pa.c (hppa_encode_label): Account for addition of encoding
1891 character when allocating persistent space for the new label
1894 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
1896 * Makefile.in, config.gcc, configure.in: Expunge remaining
1897 traces of facility for running MD files through C preprocessor.
1899 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
1901 * gcov.texi: Add magic comments for texi2pod.pl.
1902 * Makefile.in: Add rules to generate and install gcov.1.
1903 * gcov.1: New (generated) file.
1905 2000-11-21 Richard Henderson <rth@redhat.com>
1907 * regrename.c (scan_rtx_reg): Terminate the chain rather than
1908 abort on mark_read with NO_REGS.
1910 2000-11-21 Mike Stump <mrs@wrs.com>
1912 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
1913 compilation with older compilers, such as /bin/cc on SunOS.
1914 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
1916 2000-11-21 Richard Henderson <rth@redhat.com>
1918 * varasm.c (record_constant): Pad the constructed
1919 constant_descriptor appropriately.
1921 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
1923 * rtl.h (traverse_md_constants): Declare.
1924 (struct md_constant): Define.
1925 * Makefile.in (HOST_RTL): Add hashtab.o .
1926 (OBJS): Add hashtab.o .
1927 (hashtab.o): New rule.
1928 (rtl.o): Depends on HASHTAB_H.
1929 * rtl.c (hashtab.h): #include.
1930 (md_constants): New static variable.
1931 (def_hash, def_name_eq_p, read_constants): New static functions.
1932 (traverse_md_constants): New function.
1933 (read_name): Do constant expansion.
1934 (read_rtx): Recognize define_constants.
1935 * gencodes.c (print_md_constant): New function.
1936 (main): Emit #defines for all constant definitions encountered.
1937 * md.texi (Constant Definitions): New node.
1938 * gensupport.c (xcalloc): New function.
1940 2000-11-21 Richard Henderson <rth@redhat.com>
1942 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
1943 * config/alpha/alpha-protos.h: Declare it.
1944 * config/alpha/alpha.md (abstf_internal): Use it.
1945 (negtf_internal): Likewise.
1946 (andnotdi3): Unstar the name.
1947 (movtf_internal): Add o/G alternative.
1949 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
1951 * stringpool.c (stringpool_statistics): Also report number and
1952 percentage of entries which are identifiers.
1954 2000-11-21 Diego Novillo <dnovillo@redhat.com>
1956 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
1957 visited before visiting it.
1959 2000-11-21 Nick Clifton <nickc@redhat.com>
1961 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
1962 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
1964 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
1966 2000-11-21 Richard Henderson <rth@redhat.com>
1968 * c-common.c (c_unsafe_for_reeval): New function.
1969 (add_c_tree_codes): Register it.
1970 * c-common.h: Declare it.
1971 * tree.c (lang_unsafe_for_reeval): New hook.
1972 (unsafe_for_reeval): Call it.
1973 * tree.h: Declare it.
1975 2000-11-21 Richard Henderson <rth@redhat.com>
1977 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
1980 2000-11-21 Neil Booth <neilb@earthling.net>
1982 * do_includes: Revert to using cpp_read_file.
1984 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
1986 * loop.c (consec_sets_giv): If the reg we're examining is anything
1987 but UNKNOWN_INDUCT, do nothing.
1988 Reset the reg's type to UNKNOWN_INDUCT before returning.
1990 Mostly from Vladimir Makarov (vmakarov@redhat.com)
1991 * ia64.md (attr itanium_class): Define insn types as described in
1993 (all insn patterns): Use itanium_class, not type attributes.
1994 Occasionally split alternatives as necessary.
1995 (attr type): Compute from new attr itanium_class.
1997 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1999 * tradcpp.c (output_line_command): Mark system headers as such in
2002 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2004 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
2005 support in as as well.
2006 * configure: Regenerate.
2008 2000-11-20 Richard Henderson <rth@redhat.com>
2010 * c-lex.c (orig_filename): New variable.
2011 (init_c_lex): Set it. Move call to cpp_start_read ...
2012 (yyparse): ... here. New function.
2013 * c-parse.in (yyparse_1): Rename the parser entry point.
2014 * c-tree.h: Declare it.
2016 2000-11-21 Jakub Jelinek <jakub@redhat.com>
2018 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
2019 integer constant, use type of op1 for comparison.
2021 2000-11-20 Stan Shebs <shebs@apple.com>
2023 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
2024 * config/rs6000/x-darwin: New file, Darwin host fragment.
2025 * config.gcc (powerpc-*-darwin*): New host.
2026 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
2027 overridden by a config file.
2029 2000-11-20 Neil Booth <neilb@earthling.net>
2031 * cppmacro.c (paste_tokens): Rename from paste_payloads.
2032 Change token type after pasting spellings.
2033 (paste_all_tokens): Use it.
2034 * gcc.dg/cpp/paste2.c: Update test.
2035 * objc/execute/paste.m: New test.
2037 2000-11-20 Richard Henderson <rth@redhat.com>
2039 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
2040 dwarf_subscr_data_formats bits.
2041 * dwarfout.c (simple_type_size_in_bits): Handle a type with
2042 no computed size as size zero.
2043 (field_byte_offset): Likewise.
2044 (subscript_data_attribute): Handle a range with no upper bound.
2046 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2048 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
2050 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2052 * c-typeck.c (build_conditional_expr): When merging type
2053 qualifiers for conditional expressions between a pointer and a
2054 pointer to a void type, merge the qualifiers on the target types
2055 rather than the pointer type. Remove obsolete conditioned out
2058 2000-11-20 Neil Booth <neilb@earthling.net>
2060 * c-lang.c (lang_init_options): Update call to
2062 * cppmain.c (main): Similarly.
2063 * fix-header.c (read_scan_file): Similarly.
2064 * cp/lex.c (lang_init_options): Similarly.
2065 * objc/objc-act.c (lang_init_options): Similarly.
2066 * cppexp.c (parse_number): Only warn for unextended C89.
2067 * cppinit.c (set_lang): New function.
2068 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
2069 (COMMAND_LINE_OPTIONS): New option std=c++98.
2070 (cpp_handle_option): Use set_lang.
2071 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
2072 * cppib.h (enum_c_lang): New enumeration. Update comments.
2074 2000-11-20 Will Cohen <wcohen@redhat.com>
2076 * calls.c (expand_call): Clear target only when target is in
2077 hard register and current_function_check_memory_usage is set.
2079 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
2081 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
2083 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
2085 2000-11-19 Richard Henderson <rth@redhat.com>
2087 * crtstuff.c (force_to_data): Use array size 1 not 0.
2089 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
2090 no computed size as size zero.
2091 (field_byte_offset): Likewise.
2093 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
2095 * config.gcc: Fix another typo.
2097 2000-11-19 Richard Henderson <rth@redhat.com>
2099 * c-decl.c (grokdeclarator): Support flexible array members.
2100 Use open-ended ranges for these and zero-length arrays.
2101 * c-typeck.c (push_init_level): Validate the context of
2102 initialization of a zero-length array.
2103 * tree.c (int_fits_type_p): Be prepared for missing bounds.
2104 * varasm.c (array_size_for_constructor): New.
2105 (output_constructor): Use it for arrays of unspecified length.
2106 * extend.texi (Zero Length): Mention C99 flexible array members.
2107 Document initialization in a top-level struct as valid.
2109 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
2111 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
2113 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
2114 stdarg and varargs functions.
2116 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
2118 * gcc.c (process_command): Define 'j' variable when
2119 MODIFY_TARGET_NAME is defined.
2121 2000-11-19 Richard Henderson <rth@redhat.com>
2123 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
2125 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2127 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
2128 calculation and allocation.
2130 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2132 * builtins.c (c_getstr): Constify variable.
2133 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
2134 * conflict.c (const_conflict_graph_arc): New typedef.
2135 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
2136 * cppmacro.c (builtin_macro): Likewise.
2137 * dwarf2out.c (output_comp_unit): Constify variable.
2138 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
2139 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
2140 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
2142 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
2143 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
2144 * varasm.c (const_str_htab_hash, const_str_htab_eq,
2145 compare_constant_1, record_constant_1): Constify.
2147 2000-11-18 Richard Henderson <rth@redhat.com>
2149 * c-decl.c (grokdeclarator): Special case the creation of an
2150 index for a zero-length array.
2151 * tree.c (build_index_type): Revert Oct 20 change.
2153 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
2155 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
2156 * config/avr/avr.c (jump_tables_size): New variable.
2157 (function_prologue): Initialize it as 0.
2158 (function_epilogue): Add it to function_size.
2159 (avr_output_addr_vec_elt): New function. Count words in jump
2160 tables in jump_tables_size. Move code ...
2161 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
2162 Call avr_output_addr_vec_elt instead.
2163 * config/avr/avr.md (tablejump): Remove disabled define_expand.
2165 2000-11-18 Mark Mitchell <mark@codesourcery.com>
2167 * configure.in: Make --enable-new-gxx-abi the default.
2168 * configure: Likewise.
2170 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2172 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
2174 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
2175 Move extern function declarations to tradcpp.h.
2177 * tradcpp.c: Likewise.
2179 * tradcpp.h: New file.
2181 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
2183 * c-decl.c (check_for_loop_decls): New function.
2184 * c-parse.in (for_init_stmt): New.
2185 (select_or_iter_stmt): Use for_init_stmt.
2186 * c-tree.h (check_for_loop_decls): New declaration.
2188 2000-11-18 Neil Booth <neilb@earthling.net>
2190 * cppinit.c: Update comments.
2191 (cpp_reader_init): Make -imacro and -include use the standard
2192 #include "" search path.
2193 (do_includes): New function.
2195 2000-11-18 Ben Elliston <bje@redhat.com>
2197 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
2198 out of a branch delay slot.
2200 2000-11-17 Richard Henderson <rth@redhat.com>
2202 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2203 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
2204 (ASM_FILE_START): Only write out ecoff .file directive if
2205 emitting mdebug debugging.
2207 2000-11-17 Richard Henderson <rth@redhat.com>
2209 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
2210 whether as accepts .file/.loc and produces dwarf2 line info.
2211 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
2212 the assembler supports it.
2213 * config.in, configure: Regenerate.
2215 2000-11-17 Richard Henderson <rth@redhat.com>
2217 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
2219 2000-11-17 Jim Wilson <wilson@redhat.com>
2221 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
2222 Don't clear need_barrier is next_insn is a CALL_INSN, or has
2223 instruction type B or UNKNOWN.
2225 2000-11-17 Neil Booth <neilb@earthling.net>
2227 * cpperror.c (print_file_and_line): Don't display line number if 0.
2229 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
2231 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
2232 digit_vector and digit_string.
2233 * stringpool.c (digit_vector): New.
2234 (ggc_alloc_string): Use digit_string.
2236 * stmt.c (digit_strings): Delete.
2237 (init_stmt): Do not initialize digit_strings.
2238 (expand_asm_operands): Use ggc.h's digit_string macro.
2239 * toplev.c (mark_file_stack): Delete.
2240 (compile_file): Don't call init_tree_codes.
2241 (main): No need to make the file stack a GC root.
2242 * tree.c (init_tree_codes): Delete.
2243 * tree.h (init_tree_codes): Delete.
2245 * c-lex.c: Don't include ggc.h.
2246 (mark_splay_tree_node, mark_splay_tree): Delete.
2247 (init_c_lex): No need to ggc_strdup string constant. Don't add
2248 file_info_tree to GGC roots.
2249 (cb_enter_file, cb_rename_file): No need to ggc_strdup
2252 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
2254 * dbxout.c (dbxout_init),
2255 dwarf2out.c (dwarf2out_line),
2256 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
2257 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
2258 xcoffout.c (xcoffout_source_file),
2259 i386.c (load_pic_register):
2260 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
2262 * except.c (create_rethrow_ref),
2263 profile.c (init_edge_profiler),
2264 toplev.c (compile_file),
2265 varasm.c (named_section, assemble_static_space,
2266 assemble_trampoline_template, output_constant_def, force_const_mem),
2267 i386.c (load_pic_register),
2268 ia64.c (ia64_encode_section_info),
2269 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
2270 rs6000_emit_prologue, rs6000_emit_epilogue),
2271 rs6000.md (load_toc_aix_si, load_toc_aix_di):
2272 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
2274 * profile.c (output_func_start_profiler),
2276 i386.c (load_pic_register): No need to ggc_strdup string constant.
2278 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2280 * Makefile.in (config.status): Depend on config.gcc.
2281 * configure.in <for machine in $build $host $target>: Move
2282 contents of loop into config.gcc, removing autoconf quoting.
2283 Fix changequote bug for alpha*-*-vxworks*.
2284 * configure: Regenerate.
2287 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2289 * c-parse.in (if_prefix): Find the filename and line number at
2290 $-2 and $-1 respectively.
2291 * diagnostic.c (error_recursion): Add missing newline, use
2292 fputs, translate string.
2294 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
2296 * stringpool.c: New file.
2297 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
2298 (ggc_alloc_string): Now in stringpool.o.
2299 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
2300 * ggc.h: Delete prototype of ggc_add_string_root. #define
2301 ggc_add_string_root and ggc_mark_string to nothing. Prototype
2302 init_stringpool and stringpool_statistics.
2303 (ggc_alloc_string): Returns a const char *.
2304 * tree.c (hash_table, do_identifier_warnings): Delete.
2305 (init_obstacks): Don't initialize the identifier hash table.
2306 (get_identifier, maybe_get_identifier, start_identifier_warnings,
2307 set_identifier_size): Now in stringpool.c.
2308 * tree.h (struct tree_string): Constify pointer field.
2309 (approx_sqrt): Prototype.
2311 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
2313 * toplev.c (approx_sqrt): New function.
2314 (compile_file): Call stringpool_statistics if mem_report is on.
2315 (main): Call init_stringpool.
2317 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
2318 (process_directive), c-typeck.c (constructor_asmspec, struct
2319 initializer_stack, start_init), except.c (create_rethrow_ref),
2320 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
2321 (built_in_filename), varasm,c (in_named_name,
2322 assemble_static_space, struct constant_descriptor, struct
2323 deferred_string, struct pool_constant, force_const_mem),
2324 i386.c (pic_label_name, global_offset_table_name), rs6000.c
2325 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
2327 * c-common.c (combine_strings): Combine strings in scratch
2328 buffer, then pass to build_string.
2329 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
2330 output_func_start_profiler), stmt.c (init_stmt), alpha.c
2331 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
2332 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
2333 rs6000.c (rs6000_encode_section_info): Create string in
2334 scratch buffer, then pass to ggc_alloc_string.
2336 * stmt.c (expand_asm_operands): If we must adjust the
2337 constraint strings, do so by creating a new one, not by
2338 modifying the old one in place. Constify some char *s.
2339 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
2340 argument. Create string in scratch buffer, then pass to
2342 * config/pa/pa-protos.h: Update prototype.
2343 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
2344 hppa_encode_label takes only one argument.
2346 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2348 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
2351 * cpplib.c (glue_header_name): Likewise.
2353 * fixincl.c (run_compiles, start_fixer): Likewise.
2355 * fixlib.c (load_file_data): Likewise.
2357 * mkdeps.c (munge): Likewise.
2359 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
2361 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
2362 trailing ';'. Fix formatting.
2364 2000-11-16 Jim Wilson <wilson@redhat.com>
2366 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
2367 Shift masks left by one to avoid conflict.
2369 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
2372 2000-11-16 Nick Clifton <nickc@redhat.com>
2374 * config/arm/arm.c (output_arm_prologue): Note nested functions.
2375 (arm_expand_prologue): For nested functions preserve the
2376 static chain register during stack frame creation.
2378 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
2379 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
2380 with a stack frame there is a 4 byte gap between the arg
2381 pointer and the hard frame pointer (used to preserve the
2382 static chain register during stack frame creation).
2384 2000-11-16 DJ Delorie <dj@redhat.com>
2386 * rtl.c (read_rtx): Provide suitable names for unnamed
2387 define_insn and define_insn_and_split patterns, based on file
2390 2000-11-15 Neil Booth <neilb@earthling.net>
2392 * cpplib.c (start_directive, end_directive): New functions.
2393 (_cpp_handle_directive, run_directive): Use them.
2394 (_cpp_handle_directive): Don't -Wtraditional on indented
2396 (_cpp_push_buffer): Don't re-clear was_skipping.
2397 * cpplib.h (struct cpp_reader): New member la_saved.
2398 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
2401 gcc.dg/cpp/_Pragma1.c: Update.
2402 gcc.dg/cpp/_Pragma2.c: New test.
2404 2000-11-15 Mark Mitchell <mark@codesourcery.com>
2406 * toplev.c (wrapup_global_declarations): Don't write out
2407 artificial static variables that aren't needed.
2409 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
2411 * ia64.c (struct group): New structure.
2412 (last_group): New static array.
2413 (group_idx): New static variable.
2414 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
2415 New static functions.
2416 (emit_insn_group_barriers): Initialize and keep track of group_idx
2418 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
2419 Replace all calls to emit_insn_after that emit a group barrier to use
2420 emit_group_barrier_after.
2421 * ia64.h (MASK_B_STEP): New.
2422 (other MASK_XXX macros): Renumbered.
2423 (TARGET_B_STEP): New.
2424 (TARGET_SWITCHES): Add -mb-step.
2426 2000-11-15 Fred Fish <fnf@be.com>
2428 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
2429 machines for which fixincludes is not needed.
2430 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
2432 2000-11-15 Jason Merrill <jason@redhat.com>
2434 * diagnostic.c (finish_abort): New fn.
2435 (fancy_abort, error_recursion): Use it.
2436 * toplev.c (crash_signal): Likewise.
2437 * diagnostic.h: Declare it.
2439 2000-11-13 Andrew Haley <aph@redhat.com>
2441 * tree.c (build_type_no_quals): New function.
2442 * tree.h (build_type_no_quals): Declare.
2443 * c-common.c (c_get_alias_set): When considering type
2444 compatibility for pointer types, ignore cv-qualifiers anywhere in
2447 2000-11-15 Graham Stott <grahams@redhat.com>
2449 * regrename.c (scan_rtx_rtx): Skip to the next chain on
2450 encountering a terminated chain.
2452 2000-11-14 Mark Mitchell <mark@codesourcery.com>
2454 * configure.in: Move check for V3 above check for C++ header-file
2456 * configure: Regenerated.
2458 2000-11-14 DJ Delorie <dj@redhat.com>
2460 * config/v850/v850.c: Remove obstacks.
2462 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
2464 * config/avr/avr.c (avr_case_values_threshold): New.
2465 (avr_override_options): Set it depending on options, make it large
2466 when not optimizing to work around "unable to generate reloads".
2468 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
2469 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
2470 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
2471 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
2472 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
2473 (avr_case_values_threshold): Declare as extern int.
2474 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
2476 * config/avr/avr.md (tablejump): Removed.
2477 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
2478 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
2479 index in the table, not multiplied by 2.
2480 (casesi): Change to match the above insns. Always enable.
2482 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
2483 Change to expect the word address of the table, multiply it by 2
2484 here and not in the caller. Change "adiw" to faster "inc".
2486 2000-11-14 Neil Booth <neilb@earthling.net>
2488 * cppexp.c (parse_defined): Call cpp_get_token not
2491 * cpplex.c (cpp_output_line): Similarly.
2492 * cpplib.c (glue_header_name, do_line, do_ident,
2493 parse_answer, parse_assertion): Similarly.
2494 (_cpp_handle_diretive): Don't save to lookaheads
2495 when processing directives.
2496 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
2498 (funlike_invocation_p): Don't save to lookaheads
2499 when pre-expanding arguments.
2500 (_cpp_get_token): Delete.
2501 (cpp_get_token): Merge contents of _cpp_get_token.
2503 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2505 * builtins.c (expand_builtin_setjmp): Set
2506 current_function_calls_setjmp.
2507 (expand_builtin_longjmp): Set current_function_calls_longjmp.
2509 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
2510 (do_builtin_setjmp_setup): New insn.
2512 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2514 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
2515 (int_fits_type_p): For variable bounds, call force_fit_type.
2517 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2519 * varasm.c (struct deferred_string): New structure.
2520 (const_str_htab): New variable.
2521 (STRHASH): New macro.
2522 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
2523 constr_str_htab_eq, const_str_htab_del): New functions.
2524 (output_constant_def): Add DEFER argument, defer string
2525 constants until mark_constant_pool time if requested.
2526 (mark_constant_pool): Walk the insn chain even if const_str_htab is
2528 (mark_constants): If a SYMBOL_REF for deferred string is found,
2529 output it and remove from hash table.
2530 (output_addressed_constants): Set DEFER to 0 in call to
2531 output_constant_def.
2532 * rtl.h (STRING_POOL_ADDRESS_P): Define.
2533 (output_constant_def): Adjust prototype.
2534 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
2536 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
2538 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
2539 signed types if flag_trapv.
2541 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
2543 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
2546 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
2548 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
2550 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2552 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
2553 to array of pool_constnat pointers.
2554 (struct pool_constant): Add next_sym and label members.
2555 (struct pool_sym): Remove.
2556 (init_varasm_status): Change pool_sym into pool_constant.
2557 (mark_pool_constant): Mark pc->label string as well.
2558 (mark_pool_sym_hash_table): Remove.
2559 (mark_varasm_status): Remove it from caller as well.
2560 (free_varasm_status): Don't free pool_sym structures.
2561 (force_const_mem): Don't allocate pool_sym structure, instead
2562 fill pool->label and chain it into rtx_sym hash table.
2563 (find_pool_constant, mark_constant_pool): Use pool_constant instead
2566 2000-11-14 Jakub Jelinek <jakub@redhat.com>
2568 * reload1.c (emit_input_reload_insns): Honour forcing of constants
2569 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
2571 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
2573 * dominance.c: New file.
2574 * Makefile.in (OBJS): Add dominance.o.
2576 * flow.c (compute_flow_dominators): Remove.
2577 (compute_immediate_dominators): Remove.
2578 (compute_immediate_postdominators): Remove.
2579 * basic-block.h: Remove their prototypes.
2580 (calculate_dominance_info): Add prototype.
2582 * dce.c (eliminate_dead_code): Change calls to above functions.
2583 Don't compute dominators but only immediate dominators.
2584 * flow.c (flow_loops_find): Change callers.
2585 * gcse.c (compute_code_hoist_data): Likewise.
2586 * haifa-sched.c (schedule_insns): Likewise.
2587 * ifcvt.c (if_convert): Likewise.
2588 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
2591 2000-11-14 Richard Henderson <rth@redhat.com>
2593 * stmt.c (warn_if_unused_value): Don't warn if the expression
2596 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
2597 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
2599 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2601 * loop.c (basic_induction_var): Revert accidental checkin.
2603 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
2605 * c-lex.c (cb_leave_file): Harmonize conditions and order of
2606 statements to those of process_directive for (action == act_pop).
2608 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
2610 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
2613 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2615 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
2618 2000-11-13 Neil Booth <neilb@earthling.net>
2620 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
2621 cases return without MI check.
2622 * cpplib.c (do_diagnostic): Take boolean of whether to
2623 print the directive name.
2624 (do_error, do_warning): Update.
2625 (do_pragma_dependency): Use it.
2626 * cpplib.h (VARARGS_FIRST): Delete.
2627 (struct cpp_token): Delete integer.
2628 * cppmacro.c (enter_macro_context): Move disabled check
2630 (_cpp_get_token): Simplify into a single loop.
2632 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2634 * configure.in: Use 'test -f' not '[ -e'.
2635 * configure: Regenerated.
2637 2000-11-13 DJ Delorie <dj@redhat.com>
2639 * config/mn10300/mn10300.md (store_movm): Note which registers are
2640 really used or clobbered.
2642 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2644 * c-parse.in (ends_in_label): Remove from %union and %type.
2645 (decls, stmts, lineno_stmt_or_labels, xstmts,
2646 lineno_stmt_or_label, stmt_or_label): Remove.
2647 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
2648 lineno_stmt_decl_or_labels_ending_decl,
2649 lineno_stmt_decl_or_labels_ending_label,
2650 lineno_stmt_decl_or_labels_ending_error,
2651 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
2652 lineno_stmt, lineno_label): New.
2653 (compstmt_nostart): Use compstmt_contents_nonempty.
2655 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2657 * c-common.c (boolean_increment): New function.
2658 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
2659 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
2660 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
2661 (boolean_increment): Declare.
2662 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
2663 * c-decl.c (init_decl_processing): Create boolean nodes.
2664 (finish_struct): Allow for _Bool bitfields.
2665 * c-parse.in (reswords): Add _Bool.
2666 (rid_to_yy): Allow for RID_BOOL.
2667 * c-typeck.c (default_conversion): Make booleans promote to int.
2668 (convert_arguments, build_unary_op, build_modify_expr,
2669 convert_for_assignment): Allow for booleans.
2670 * ginclude/stdbool.h: Make conforming to C99.
2672 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2674 * c-parse.in (c99_block_start, c99_block_end,
2675 c99_block_lineno_labeled_stmt): New.
2676 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
2677 (stmt): Split off selection and iteration statements into...
2678 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
2680 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2682 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
2685 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2687 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
2688 Rewrite to avoid use of match_dup. Don't try to tie registers that
2689 are not in the same mode.
2691 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2693 * invoke.texi: Update lists of languages and suffixes supported.
2695 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2697 * configure.in: Take toplevel configure arguments from the
2698 environment to create configargs.h and substitute
2699 gcc_config_arguments, taking account of any existing configargs.h
2701 * configure: Regenerate.
2702 * gccbug.in: Include toplevel configure arguments in gccbug.
2704 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2706 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
2707 union to make it well-aligned. Update all uses.
2709 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2711 * c-parse.in (initelt): Give appropriate pedantic warnings,
2712 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
2714 (designator): If pedantic, pedwarn for a designator specifying a
2716 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
2718 * extend.texi: Document the C99 syntax as the preferred syntax,
2719 and the pre-2.5 syntax as obsolete. Mention use of designator
2720 lists for nested subobjects.
2722 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2724 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
2725 Add ATTRIBUTE_PRINTF.
2726 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
2727 Add ATTRIBUTE_PRINTF*.
2729 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2731 * function.c (assign_parms): When calling put_var_into_stack, make
2732 sure that there are no hidden pending sequences.
2734 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2736 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
2737 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
2740 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
2742 * c-common.c (c_common_nodes_and_builtins): Declare index and
2743 rindex when nonansi builtins are allowed.
2745 * extend.texi (index, rindex): Document new builtins.
2747 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2749 * configure.in: Turn on libstdc++ V3 by default.
2750 * configure: Regenerated.
2752 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
2754 2000-11-12 Jakub Jelinek <jakub@redhat.com>
2756 * reload1.c (set_label_offsets): Go inside of PARALLELs.
2758 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
2760 * invoke.texi: Clean up option summary.
2762 2000-11-12 Nick Clifton <nickc@redhat.com>
2764 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
2765 of #include headers.
2767 2000-11-12 Marc Espie <espie@openbsd.org>
2769 * configure.in: Fix filds test.
2772 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2774 * jump.c (delete_computation): Don't assume that just becuase an
2775 instruction sets a register, that register is dead.
2777 2000-11-12 Neil Booth <neilb@earthling.net>
2779 * cppexp.c: Don't worry about pfile->skipping.
2780 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
2781 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
2782 for handled directives.
2783 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
2784 and releasing lookaheads.
2785 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
2786 (do_else, do_elif, push_conditional): Update logic.
2787 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
2788 (unwind_if_stack): Inline into cpp_pop_buffer.
2789 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
2790 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
2791 multiple-include optimisation.
2792 * cpplib.h (struct cpp_buffer): New member was_skipping.
2793 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
2794 works because skipping == 0 in directives.
2795 (_cpp_release_lookahead): Renamed from release_lookahead.
2796 (cpp_get_token): No need to check skipping as _cpp_get_token does
2797 this for us. No need to handle MI optimisation.
2799 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
2801 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
2802 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
2803 * fixinc/fixincl.x: Regenerated.
2805 2000-11-11 Bruce Korb <bkorb@gnu.org>
2807 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
2808 (avoid_wchar_t_type): ditto
2809 * fixinc/fixinc.irix: obsoleted
2811 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
2813 * configure.in: Don't add $outputs to all_lang_makefiles. Add
2814 $srcdir/$s/Makefile.in if it exists.
2815 * configure: Regenerate.
2817 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
2819 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
2821 2000-11-11 Jason Merrill <jason@redhat.com>
2823 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
2824 give the parm a register and then call put_var_into_stack.
2825 * stmt.c (expand_decl): Likewise.
2827 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2829 * gcc.texi: Adjust wording.
2831 2000-11-11 Mark Mitchell <mark@codesourcery.com>
2833 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
2834 * fininc/fixincl.x: Regenerated.
2836 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2838 * invoke.texi: Correct spelling of -foptimize-register-move.
2840 2000-11-11 Neil Booth <neilb@earthling.net>
2842 Remove CPP_PLACEMARKERs.
2844 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
2845 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
2846 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
2848 * cpplib.h: Remove CPP_PLACEMARKER.
2849 (struct lexer_state): Rename skip_newlines to next_bol.
2850 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
2851 Simplify prev_white handling as a result.
2852 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
2853 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
2854 (parse_args): Similarly. Update argument count tests.
2855 (enter_macro_context): Return 2 to indicate an empty macro.
2856 (replace_args): Don't bother pre-expanding an empty argument.
2857 Handle placemarkers and ## extension during pre-expansion.
2858 (cpp_get_token): Handle empty macro expansions. Don't worry
2859 about CPP_PLACEMARKERs.
2860 (_cpp_create_definition): Empty macros are now empty.
2861 (cpp_macro_defintion): Don't special case empty macros.
2862 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
2863 * c-lex.c: Similarly.
2865 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2867 * gcc.texi, invoke.texi: Add new section discussing language
2868 standards; link to it where appropriate; refer to ISO C instead of
2871 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
2873 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
2876 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
2879 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2881 * gcc.texi, gcov.texi: Update dates and version numbers.
2883 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
2885 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
2886 flex and bison, specifically, first in a unified build and
2887 then installed on the system.
2888 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
2889 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
2892 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
2893 cppdefault.o): Remove pointless sed munging of source file
2896 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
2898 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
2899 for address reloads. Push replacements for REG_INC notes.
2900 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
2902 * reload1.c (choose_reload_regs): Registers set in the insn can't be
2903 used for RELOAD_OTHER reloads.
2905 2000-11-10 Mark Mitchell <mark@codesourcery.com>
2907 * c-dump.h: New file.
2909 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2911 * alpha.c (check_float_value): Use memcpy, not bcopy.
2912 * arm.c (output_move_double): Likewise.
2914 * m88k.c (legitimize_operand): Likewise.
2915 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
2916 * m88k.md: Likewise.
2917 * mips.c (override_options): Likewise.
2918 * mips.md: Likewise.
2919 * romp.c (output_fpops): Likewise.
2920 * rs6000.c (rs6000_override_options): Likewise.
2922 * vax.c (check_float_value): Likewise.
2924 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
2925 * expmed.c (synth_mult): Likewise.
2926 * final.c (add_bb_string): Likewise.
2927 * genattr.c (main): Likewise.
2928 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
2930 * jump.c (thread_jumps): Likewise.
2931 * prefix.c (save_string): Likewise.
2932 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
2933 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
2934 * reload1.c (reload, eliminate_regs): Likewise.
2936 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2938 * gcc.texi (Service): Update to reflect current practice and
2939 location of the GNU service directory.
2941 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
2943 * regrename.c (build_def_use): Mark contents of REG_INC notes as
2944 needing replacement.
2946 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
2947 a no-op move if regs are equal.
2948 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
2949 when calling jump after post-reload splitting.
2951 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
2953 * c-tree.texi: Fix typos.
2954 * extend.texi: Likewise
2955 * gcov.texi: Likewise
2956 * rtl.texi: Likewise
2959 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
2961 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
2962 in_system_header and flags[1] before dereferencing flags[2].
2964 2000-11-09 Matthew Hiller <hiller@redhat.com>
2966 * reload1.c (reload_combine): Fixed calculation of
2967 first_index_reg, last_index_reg.
2969 2000-11-09 Mark Mitchell <mark@codesourcery.com>
2971 * c-dump.c (dequeue_and_dump): Dump function bodies.
2973 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
2974 (c-dump.o): New target.
2975 * c-common.h (flag_dump_translation_unit): New variable.
2976 (C_TYPE_QUALS): New macro.
2977 (strip_array_types): New function.
2978 (DECL_C_BIT_FIELD): New macro.
2979 (SET_DECL_C_BIT_FIELD): Likewise.
2980 (CLEAR_DECL_C_BIT_FIELD): Likewise.
2981 (dump_info_p): New typedef.
2982 (dump_tree_fn): Likewise.
2983 (lang_dump_tree): New variable.
2984 (dump_node_to_file): New function.
2985 * c-common.c (flag_dump_translation_unit): Define it.
2986 (strip_array_types): New function.
2987 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
2988 * c-lang.c (finish_file): Call dump_node_to_file if
2989 flag_dump_translation_unit.
2990 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
2991 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
2992 * c-dump.c: New file.
2994 2000-11-09 Christopher Faylor <cgf@cygnus.com>
2996 * config/i386/cygwin.h: Add mingw startfile prefix.
2998 2000-11-09 Richard Henderson <rth@redhat.com>
3000 * flow.c (invalidate_mems_from_set): Split out from ...
3001 (mark_set_1): ... here.
3002 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
3003 instead of turning insn into a NOTE_INSN_DELETED.
3005 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
3007 * extend.texi, invoke.texi: Move documentation of builtin versions
3008 of C library functions to one place and update.
3010 2000-11-09 Richard Henderson <rth@redhat.com>
3012 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
3013 the types themselves to discover type equivalence.
3015 2000-11-09 Mike Stump <mrs@wrs.com>
3017 * Makefile.in (distclean): Remove a few extra leftovers.
3019 2000-11-09 Richard Henderson <rth@redhat.com>
3021 * recog.c (validate_replace_rtx_1): Consider subregs when
3022 replacing a register with a constant inside a sign/zero_extend.
3024 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3026 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
3028 * c-decl.c (finish_struct): When a structure is completed,
3029 check all its variant types for completeness.
3031 2000-11-09 Neil Booth <neilb@earthling.net>
3033 * cpphash.c: Move cpp_defined here from cpplib.c.
3034 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
3035 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
3036 * cppmacro.c (cpp_get_token): Update comments, no need now
3037 to catch the CPP_EOF meaning EOL case.
3039 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
3041 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
3042 is more than that provided, copy to a temporary.
3044 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
3046 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
3047 interpreting $out as a macro assignment.
3048 * Makefile.in (T_TARGET): New auxiliary macro and target.
3049 (all): Add a target right in the beginning, so that we don't build
3050 T_TARGET by default.
3052 2000-11-09 Graham Stott <grahams@redhat.com>
3054 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
3055 order for -mintel-syntax. Remove comment now that the operand
3056 order has been checked.
3057 (mmx_pextrw): Likewise.
3058 (mmx_pshufw): Likewise.
3060 2000-11-09 Jakub Jelinek <jakub@redhat.com>
3062 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
3063 (c_getstr): New function.
3064 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
3065 If both arguments are constant string, optimize out.
3066 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
3067 (expand_builtin_strpbrk): Use c_getstr, do nothing if
3068 -fcheck-memory-usage.
3069 (expand_builtin_fputs): Likewise.
3070 (expand_builtin_strcmp): Add MODE argument.
3071 Use even if !HAVE_cmpstrsi.
3072 Optimize the case when both arguments are constant strings.
3073 (expand_builtin): Adjust expand_builtin_strcmp caller.
3074 Call expand_builtin_strchr and expand_builtin_strrchr.
3075 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
3077 * builtins.def (BUILT_IN_STRRCHR): Add.
3079 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3081 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
3083 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
3085 * calls.c (expand_call, emit_library_call_value_1), collect2.c
3086 (scan_prog_file), config/a29k/a29k.c (print_operand),
3087 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
3088 instead of bcopy ().
3089 * real.h: Use memcmp () instead of bcmp ().
3090 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
3091 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
3092 ultrasparc_sched_init, ultrasparc_sched_reorder),
3093 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
3094 instead of bzero ().
3095 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
3096 instead of rindex ().
3097 * configure.in: Don't check for bzero, bcmp, index or rindex.
3098 * configure, config.in: Regenerate.
3099 * system.h: Don't include declarations for bzero, bcmp, index or
3101 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
3102 bzero, bcmp, index or rindex.
3104 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
3106 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
3107 include and library paths from -mcygwin case. Parameterize some
3108 declarations to avoid warnings. Use standard locations for include and
3111 2000-11-08 Nick Clifton <nickc@redhat.com>
3113 * config/arm/arm.md (mulsidi3adddi): Change output operand
3114 constraint from "=&" to "+&".
3115 (umulsidi3adddi): Change output operand constraint from "=&" to
3118 2000-11-08 Richard Henderson <rth@redhat.com>
3120 * flow.c (init_propagate_block_info): Protect the rtx stored in
3121 mem_set_list from modification by find_auto_inc.
3122 (mark_set_1): Likewise.
3124 2000-11-08 Neil Booth <neilb@earthling.net>
3126 Move directive handling into the lexer itself.
3128 * cpplex.c (_cpp_lex_token): Handle directives directly.
3129 In the case of a directive interrupting a function-like
3130 macro invocation, use extra_char since read_ahead is
3131 used to store the '#'. Return a CPP_EOF in this case.
3132 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
3133 (cpp_get_token): Don't handle directives here.
3134 * cpplib.h: Remove CPP_DHASH token type.
3136 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
3138 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
3139 formed using PRE_MODIFY too.
3141 2000-11-08 Mark Mitchell <mark@codesourcery.com>
3143 * c-tree.texi (VAR_DECL): Describe representation of GCC's
3144 extension for placing variables in particular registers.
3146 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
3147 unprototyped C functions with no parameters.
3149 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3151 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
3152 before passing to fprintf.
3154 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3156 * function.c (expand_function_start): Cast GET_MODE_SIZE to
3157 HOST_WIDE_INT before negating it.
3159 2000-11-08 Jakub Jelinek <jakub@redhat.com>
3161 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
3162 passed in multiple non-contiguous locations.
3164 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3166 * README.gnat: Remove file.
3168 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
3170 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
3173 2000-11-07 Richard Henderson <rth@redhat.com>
3175 * dwarfout.c (INSN_LABEL_FMT): Remove.
3176 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3177 (dwarfout_label): Remove.
3178 * dwarfout.h: Remove it's prototype.
3179 * dwarf2out.c (INSN_LABEL_FMT): Remove.
3180 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
3181 (dwarf2out_label): Remove.
3182 * dwarf2out.h: Remove it's prototype.
3183 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
3185 2000-11-07 Richard Henderson <rth@redhat.com>
3187 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
3188 search on the unwind region section.
3190 * config/ia64/ia64.md (movbi): Add r/r alternative.
3191 (cmovdi_internal_astep): Describe all combinations of register
3192 classes for sources & destinations; remove matching constraints.
3193 (cmovdi_internal): Likewise.
3195 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
3197 2000-11-07 Richard Henderson <rth@redhat.com>
3199 * c-lang.c (start_cdtor, finish_cdtor): New functions.
3200 (finish_file): Use them in building constructor/destructor functions.
3202 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
3203 LD_FINI_SWITCH): Move ...
3204 * config/alpha/osf.h: ... here.
3205 * config/alpha/alpha-interix.h: Don't undef them.
3207 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
3209 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
3210 included in libgcc.a.
3212 (dp-bit.c): Likewise.
3213 (fp-bit.c): Likewise.
3215 2000-11-07 Nick Clifton <nickc@redhat.com>
3217 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
3218 (INTERNAL_ASM_OP): Add missing tab.
3220 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3222 * alias.c (init_alias_analysis), calls.c (expand_call,
3223 emit_library_call_value_1), combine.c (init_reg_last_arrays),
3224 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
3225 (init_output_buffer, set_diagnostic_context), dwarf2out.c
3226 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
3227 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
3228 function.c (assign_parms), gcse.c (compute_can_copy,
3229 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
3230 compute_hash_table, compute_set_hash_table,
3231 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
3232 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
3233 clear_units, schedule_block), integrate.c (initialize_for_inline,
3234 expand_inline_function), jump.c (thread_jumps), local-alloc.c
3235 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
3236 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
3237 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
3238 record_reg_classes, allocate_reg_info), reload.c
3239 (get_secondary_mem, remove_address_replacements, find_reloads),
3240 reload1.c (reload, set_initial_label_offsets, finish_spills,
3241 reload_as_needed, choose_reload_regs_init,
3242 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
3243 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
3244 (rename_registers), stmt.c (expand_end_case), unroll.c
3245 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
3246 () instead of bzero ().
3248 2000-11-07 Neil Booth <neilb@earthling.net>
3250 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
3252 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3254 * c-common.c (combine_strings): Only warn about long strings for C.
3256 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
3258 * combine.c (distribute_notes): Fix typo in last change.
3260 2000-11-07 Geoff Keating <geoffk@redhat.com>
3262 * config/rs6000/rs6000.md (movdi_internal32+1): Use
3263 operand_subreg_force rather than gen_rtx_SUBREG.
3264 (movdi_internal32+2): Likewise.
3266 2000-11-07 Philip Blundell <philb@gnu.org>
3268 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
3269 * config/arm/linux-aout.h: Likewise.
3270 * configure: Regenerate.
3272 2000-11-07 Philipp Thomas <pthomas@suse.de>
3274 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
3275 accepted my the gettext maintainer.
3277 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3279 * builtins.c (expand_builtin_strpbrk): New function.
3280 (expand_builtin): Handle BUILT_IN_STRPBRK.
3282 * builtins.def (BUILT_IN_STRPBRK): New entry.
3284 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3287 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
3289 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
3290 * POTFILES.in: Add config/alpha/freebsd.h
3291 * configure.in: Add alpha*-freebsd support.
3292 * configure: Regenerate.
3294 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3296 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
3297 copy of ptr_type_node rather than ptr_type_node itself.
3299 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
3301 * combine.c (recog_for_combine): Allocate uninitialized vector with
3303 * recog.c (apply_change_group): Likewise.
3305 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
3307 * flow.c (verify_local_live_at_start): Back out last change.
3308 * combine.c (distribute_notes): When parts of a hard reg are
3309 neither set nor referenced in PLACE, search backwards for a
3310 place to put a REG_UNUSED note; if none found, ask for flow
3313 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
3315 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
3316 with (clobber (match_scratch...)).
3318 2000-11-06 Neil Booth <neilb@earthling.net>
3320 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
3323 2000-11-06 Neil Booth <neilb@earthling.net>
3325 * tradcpp.c (special_symbol): Assign an null string rather
3326 than writing to an unallocated buffer.
3328 2000-11-06 Neil Booth <neilb@earthling.net>
3330 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
3333 2000-11-06 Neil Booth <neilb@earthling.net>
3335 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
3336 tok.val.arg_no as appropriate.
3337 * cppexp.c (lex): Similarly.
3338 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
3339 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
3340 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
3341 cpp_macro_definition): Similarly.
3342 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
3344 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3346 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
3347 operands[1] is constant, calculate the sum and generate movdi.
3348 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
3349 (subsi3): Use SImode in call to arith_4096_operand.
3351 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3353 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
3354 adjust %o1, not %o0 if the return type is large structure.
3356 2000-11-06 Jakub Jelinek <jakub@redhat.com>
3358 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
3359 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
3361 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3363 * expmed.c (expand_divmod): For signed divide by 2, prefer
3364 a branch and fewer shifts if branches are very cheap.
3366 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
3368 * Makefile.in: Remove all targets related to building
3369 distributions and diffs, or INSTALL.
3370 * INSTALL, install1.texi: Remove.
3371 * configure.in: Remove mention of distdir.
3372 * configure: Regenerate.
3373 * objc/Make-lang.in: Remove mention of distdir.
3375 2000-11-04 Neil Booth <neilb@earthling.net>
3377 * cpp.texi: Update for _Pragma.
3379 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
3381 * gcc.texi (Contributing): Update URL for projects web page.
3383 2000-11-04 Neil Booth <neilb@earthling.net>
3385 * cpplex.c (parse_string): Don't allow multiline strings in
3386 #include family directives.
3388 2000-11-04 Neil Booth <neilb@earthling.net>
3390 * cpplib.c (do_line): Only warn pedantically if not reading
3393 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
3395 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
3398 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
3400 * builtins.c (expand_builtin_strlen): Remove unused mode
3402 * gcc.c (process_command): Remove unused variable.
3403 * fold-const.c: Include expr.h.
3404 * recog.c: Include reload.h.
3405 * Makefile.in (recog.o, fold-const.o): Update deps.
3407 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
3409 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
3411 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
3413 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
3415 (STARTFILE_SPEC): Likewise.
3416 (LINK_SPEC): Likewise.
3418 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3420 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
3421 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
3422 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
3424 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
3426 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
3427 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
3428 perm_calloc, get_identifier, maybe_get_identifier,
3429 real_value_from_int_cst, simple_cst_equal), varasm.c
3430 (assemble_name, assemble_real, immed_real_const_1,
3431 compare_constant_1, decode_rtx_const, output_constant_pool): Use
3432 strrchr () instead of rindex (). Use memcmp () instead of bcmp
3433 (). Use memcpy () instead of bcopy (). Use memset () instead of
3436 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
3438 * cppfiles.c (open_file): If already read, then don't reopen.
3439 Immediately close an empty file.
3441 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3443 * expr.h (fold_builtin): Move declaration...
3444 * tree.h (fold_builtin): ... here.
3446 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
3448 * flow.c (verify_local_live_at_start): Allow hard regs to die.
3450 2000-11-02 Neil Booth <neilb@earthling.net>
3453 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
3454 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
3455 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
3456 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
3457 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
3458 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
3459 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
3460 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
3461 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
3462 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
3463 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
3464 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
3465 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
3466 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
3467 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3468 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
3469 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
3470 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
3471 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
3472 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
3473 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
3474 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
3475 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
3476 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
3477 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
3478 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
3479 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
3480 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
3481 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
3482 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
3483 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
3484 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
3485 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
3486 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
3487 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
3488 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
3489 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
3490 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
3491 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
3492 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
3493 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
3494 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
3495 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
3496 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
3497 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
3498 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
3499 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
3500 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
3501 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
3502 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
3503 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
3504 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
3505 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
3506 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
3507 vax/vaxv.h, vax/vms.h, we32k/we32k.h
3509 Replace -A() with -A=, the new assertion syntax.
3511 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
3513 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
3515 In REG_DEAD handling: When handling parts of multi-hard-reg hard
3516 registers, increment the loop counter by the size of the parts;
3517 use recursion to handle individual parts.
3519 2000-11-02 Neil Booth <neilb@earthling.net>
3521 * configure.in: Make integrated CPP the default.
3522 * configure: Regenerate.
3524 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
3526 * reload.c (find_equiv_reg): Test all hard registers for membership
3527 in the requested class.
3529 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3531 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
3532 process_command, main), gcov.c (open_files, output_data), tlink.c
3533 (frob_extension, scan_linker_output), toplev.c
3534 (file_name_nondirectory): Use strchr () and strrchr () instead of
3535 index () and rindex ().
3537 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3539 * c-common.c (get_flag_spec, check_format_info_main,
3540 check_format_types): Use strchr () instead of index (). Compare
3541 against error_mark_node instead of comparing the TREE_CODE against
3544 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
3548 * c-lex.c (init_c_lex): Update cpp_start_read call.
3549 (cb_ident): Update for new callback prototype.
3550 (cb_def_pragma): Update for new cpp_get_token prototype.
3551 (c_lex): Similarly. Use cpp_get_line.
3553 * c-parse.in (finish_parse): Update for new cpp_finish
3556 * cp/lex.c (finish_parse): Similarly.
3558 2000-11-01 Geoff Keating <geoffk@cygnus.com>
3560 * machmode.def: Add V16QImode.
3562 2000-11-01 Richard Henderson <rth@redhat.com>
3564 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
3565 from rtl_for_decl_location.
3566 (add_location_or_const_value_attribute): Likewise.
3568 2000-11-01 Neil Booth <neilb@earthling.net>
3570 * cpplib.c (run_directive): Use correct line number for output
3571 of _Pragma. Remember any in-progress directive.
3573 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
3575 2000-11-01 Richard Henderson <rth@redhat.com>
3577 * stmt.c (expand_start_null_loop): Set continue_label.
3579 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
3581 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
3582 (expand_builtin_constant_p): Move parts of the code into
3583 fold_builtin_constant_p.
3584 (expand_builtin_strlen): Move parts of the code into fold_builtin.
3585 * expr.h (fold_builtin): Declare.
3586 * fold-const.c (fold): Handle builtin calls.
3588 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
3590 2000-11-01 Richard Henderson <rth@redhat.com>
3592 * stmt.c (expand_start_null_loop): New.
3593 (expand_end_null_loop): New.
3594 * c-semantics.c (genrtl_do_stmt): Use them.
3595 * tree.h: Declare them.
3597 2000-11-01 Richard Henderson <rth@redhat.com>
3599 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
3601 2000-11-01 Neil Booth <neilb@earthling.net>
3603 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
3604 * cp/spew.c: Similarly.
3605 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
3606 * cppmacro.c (stringify_arg): Similarly.
3607 * cpplib.h (CPP_BACKSLASH): Delete.
3609 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3611 * builtins.c (expand_builtin_strstr): New function.
3612 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
3614 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
3616 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
3619 2000-10-31 Richard Henderson <rth@redhat.com>
3621 * config/i386/i386.c (fcmov_comparison_operator): Check for
3622 CCFPmode or CCFPUmode instead of CCmode.
3623 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
3624 unordered operations as well.
3626 2000-10-31 Richard Henderson <rth@redhat.com>
3628 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
3629 of integer_zero_node.
3631 2000-10-31 Richard Henderson <rth@redhat.com>
3633 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
3635 2000-10-31 Nick Clifton <nickc@redhat.com>
3637 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
3638 -fdata-sections to override the section attribute of a DECL.
3640 2000-10-31 Chris Demetriou <cgd@sibyte.com>
3642 * libgcc2.c (__shtab): Remove __shtab variable.
3643 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
3644 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
3647 2000-10-31 Jim Wilson <wilson@redhat.com>
3649 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
3650 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
3651 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
3652 instead of ASM_OUTPUT_INTERNAL_LABEL.
3653 (dwarf2out_end_block, dwarf2out_label): Likewise.
3654 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
3655 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
3657 2000-10-31 Richard Henderson <rth@redhat.com>
3659 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
3660 (size_of_locs): Set it.
3661 (output_loc_operands): Use it to compute branch displacement.
3662 (int_loc_descriptor): New.
3663 (mem_loc_descriptor): Dereference memory in the proper size.
3664 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
3665 (loc_descriptor_from_tree): New.
3666 (rtl_for_decl_location): Break out from ...
3667 (add_location_or_const_value_attribute): ... here.
3668 (add_bound_info): Use loc_descriptor_from_tree.
3670 2000-10-31 Neil Booth <neilb@earthling.net>
3672 * cpp.texi: Update for new command line assertion syntax.
3673 * cpplib.c (cpp_define): Simplify a bit.
3674 (cpp_assert, cpp_unassert): Use handle_assertion.
3675 (handle_assertion): New function; accept new command line
3677 * testsuite/gcc.dg/cpp/assert3.c: New tests.
3679 2000-10-31 Neil Booth <neilb@earthling.net>
3681 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
3682 undefined. Remove #ifdef check.
3683 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
3684 Define STDC_0_IN_SYSTEM_HEADERS to 1.
3686 2000-10-31 Jan Hubicka <jh@suse.cz>
3687 Jakub Jelinek <jakub@redhat.com>
3689 * config/i386/i386.h: Clarify CCNOmode description in comment.
3690 (EXTRA_CC_MODES): Remove CCRCmode.
3691 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
3692 (put_condition_code, ix86_match_ccmode): Likewise.
3693 (ix86_cc_mode): Likewise. Fix comment.
3694 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
3695 * config/i386/i386.md: Add unspec 12 description.
3696 (adddi3 split): Use unspec 12 instead of CCRCmode.
3697 (addsi3_carry_rc): Remove.
3698 (addsi3_cc, addqi3_cc): New patterns.
3699 (addsi_3): Swap operands, match CCZmode.
3700 (addsi_4): Rewritten.
3701 (addsi_5): Renamed from addsi_6.
3703 (addhi_3): Swap operands, match CCZmode.
3704 (addhi_4): Rewritten.
3705 (addhi_5): Renamed from addhi_6.
3707 (addqi_3): Swap operands, match CCZmode.
3708 (addqi_4): Rewritten.
3709 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
3710 (subsi3_carry_rc): Removed.
3711 (iorqi_3): Use =q constraint for clobber.
3712 (xorqi_cc_2): Likewise.
3713 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
3714 (x86_movsicc_0_m1_rc): Removed.
3715 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
3717 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
3719 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
3720 and decrement of complex types.
3722 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3724 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
3725 builtin fputs, ensure we still evaluate the stream in case it
3728 2000-10-31 Jakub Jelinek <jakub@redhat.com>
3730 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
3733 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
3735 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
3736 (fp_extended_operand, emit_fpscr_use): Likewise.
3737 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
3738 (fpul_operand): New function.
3739 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
3740 fp_extended_operand. Add fpul_operand.
3741 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
3742 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
3743 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
3744 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
3745 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
3746 (divdf3_i): Likewise.
3747 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
3748 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
3749 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
3750 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
3751 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
3753 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
3755 * config/i386/i386.c (ix86_init_builtins): Correct return type
3756 building v4hi_ftype_v4hi_int_int tree node.
3757 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
3758 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
3760 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
3762 (mmx__uavgv8qi3): Correct insn mnemonic.
3763 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
3764 (mmx_punpckhwd): Correct insn mnemonic.
3765 (mmx_punpckhdq): Likewise.
3766 (mmx_punpcklwd): Likewise.
3767 (mmx_punpckldq): Likewise.
3768 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
3769 Renumber case labels to match the _mm_prefetch constants defined in
3772 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
3773 if the splitter didn't emit new insns.
3774 Make sure we call cleanup_subreg_operands even when splitting the last
3775 insn in a basic block.
3777 * invoke.texi (Debugging Options): Describe -do.
3778 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
3779 (dump_file): Likewise.
3780 (rest_of_compilation): Split .greg dump into .greg and .postreload.
3782 2000-10-30 Neil Booth <neilb@earthling.net>
3784 * cppfiles.c (stack_include_file): Check for stacked contexts
3786 * cpphash.h (_cpp_do__Pragma): New prototype.
3787 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
3789 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
3790 escaped newlines if !(buffer->from_stage3).
3791 (_cpp_lex_token): Warn about missing newlines iff
3792 !buffer->from_stage3.
3794 * cpplib.c (get__Pragma_string, destringize,
3795 _cpp_do__Pragma): New functions.
3796 (run_directive): Set output_line for _Pragma to avoid line
3797 markers in output. Set from_stage3 and prevent macro expansion
3798 for _Pragma and command-line options. Check buffer exhaustion.
3799 (cpp_push_buffer): Don't check for stacked macro contexts, as
3800 this is perfectly legitimate for _Pragma. Move the check to
3801 stack_include_file instead. Set from_stage3 iff buffer is
3804 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
3805 unsigned. New boolean from_stage3.
3806 (struct spec_nodes): Add n__Pragma.
3808 * cppmacro.c (enter_macro_context): Flip sense of return value.
3809 (_cpp_get_token): Handle _Pragma operator.
3811 2000-10-30 Phil Edwards <pme@sources.redhat.com>
3813 * gcc.texi: The C++ standard isn't "draft" anymore.
3815 2000-10-30 Mark Mitchell <mark@codesourcery.com>
3817 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
3819 2000-10-29 Neil Booth <neilb@earthling.net>
3821 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
3823 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
3825 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
3826 fixinc/inclhack.def: Change comments mentioning C9X to refer to
3829 * invoke.texi: Document that -V will only work for very similar
3830 versions of driver and compiler.
3832 2000-10-29 Neil Booth <neilb@earthling.net>
3834 * cppmacro.c (_cpp_create_definition): Optimize the case of
3835 a macro defined to itself.
3837 2000-10-29 Neil Booth <neilb@earthling.net>
3839 * cpplex.c (save_comment): Don't store new lines in C++ comments.
3841 2000-10-29 Michael Hayes <mhayes@redhat.com>
3843 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
3845 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
3847 * cpphash.c (cpp_forall_identifiers): Add context variable
3848 for callback routine.
3849 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
3851 (main): Call cpp_forall_identifiers with null context.
3852 * cpplib.h (cpp_forall_identifiers): Update prototype.
3854 * cppmain.c: Make `parse_in' and `print' static.
3856 2000-10-28 Alan Modra <alan@linuxcare.com.au>
3858 * c-decl.c (finish_function): Clear c_function_name_declared_p.
3860 2000-10-28 Richard Henderson <rth@redhat.com>
3862 * regrename.c (scan_rtx_address): Frob action, not class,
3863 when trying to disable optimization.
3865 2000-10-28 Mark Mitchell <mark@codesourcery.com>
3867 * c-semantics.c (make_rtl_for_local_static): Don't clobber
3868 DECL_ASSEMBLER_NAME.
3870 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
3872 * configure.in: Determine and substitute gcc_version_full.
3873 * configure: Regenerate.
3874 * gccbug.in: Use it to give full version. Don't allow
3877 2000-10-28 Richard Henderson <rth@redhat.com>
3879 * recog.c (split_all_insns): Run cleanup_subreg_operands
3882 * regrename.c (regrename_optimize): Verify that all registers of
3883 a multiple register mode are available.
3884 (scan_rtx_address): Accept the mode of the address; all callers
3887 * cpplib.c (run_directive): Fix prototype.
3889 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
3891 * reload.c (find_reloads): Distinguish "wins" so that we know whether
3892 a given operand won because of a matching constraint or not; then use
3893 that information to compute goal_alternative_matched properly.
3894 * reload1.c (choose_reload_regs): Never set reload_override_in for an
3897 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
3898 accurate value for MULT.
3899 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
3900 2% or > 98% before using static branch prediction bits.
3902 2000-10-28 Neil Booth <neilb@earthling.net>
3906 * cpplib.c (struct answer): New.
3907 (struct if_stack): Use cpp_lexer_pos rather than line and col.
3908 Rename cmacro mi_cmacro.
3909 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
3910 IN_I): New directive and flags.
3911 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
3912 parse_answer, parse_assertion, find_answer): New functions.
3913 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
3914 (lex_macro_node): New function to replace parse_ifdef and
3917 (_cpp_handle_directive): New function, combines _cpp_check_directive
3918 and _cpp_check_linemarker.
3920 (do_define, do_undef, parse_include, do_include, do_import,
3921 do_include_next, read_line_number, do_line, do_ident, do_pragma,
3922 do_pragma_once, do_pragma_poison, do_pragma_dependency):
3923 Update for new token getting interface.
3925 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
3926 : Update for new multiple-include optimisation technique.
3927 (do_elif): Don't forget to invalidate controlling macros.
3929 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
3930 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
3931 Functions to handle assertions with the new token interface.
3932 (do_assert, do_unassert): Use them.
3934 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
3937 (_cpp_init_stacks): Register directive names. Don't register special
3940 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
3941 new position recording regime.
3942 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3943 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
3944 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
3945 (cpp_type2name): Move to cpplex.c.
3947 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
3948 (parse_defined): Update to handle new multiple include optimisation
3949 method. Remove poisoned identifier warning.
3950 (parse_assertion, TYPE_NAME): Delete.
3951 (lex): Update for multiple include optimisation, removal of
3952 CPP_DEFINED, to use _cpp_test_assertion for assertions and
3954 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
3955 (op_as_text): New function, to wrap cpp_token_as_text.
3957 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
3958 Update for MI optimisation.
3959 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
3960 segfault on diagnostic.
3961 (_cpp_compare_file_date): Take a token rather than 3 args.
3962 (cpp_read_file): Work correctly for zero-length files.
3964 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
3965 _cpp_init_hashtable and _cpp_cleanup_hashtable.
3966 (cpp_lookup): Place identifiers at front of identifier pool
3967 for _cpp_lookup_with_hash.
3968 (_cpp_lookup_with_hash): Require identifiers to be at the front of
3969 the identifier pool. Commit the memory if not already in the
3972 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
3973 Initialise various members of cpp_reader, memory pools, and the
3975 (cpp_printer_init): Delete.
3976 (cpp_cleanup): Update.
3977 (struct builtin, builtin_array, initialize_builtins): Update for new
3978 hashnode definition and builtin handling.
3979 (cpp_start_read, cpp_finish): Don't take or initialise a
3982 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
3983 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
3984 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
3985 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
3986 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
3987 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
3988 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
3989 struct toklist, struct cpp_context, struct specnodes,
3990 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
3991 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
3992 enum builtin_type, cpp_can_paste): New.
3993 (struct cpp_token): Delete line and col members.
3994 (struct cpp_buffer): New member output_lineno.
3995 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
3996 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
3997 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
3998 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
3999 base_context, context, directive, mi_state, mi_if_not_defined,
4000 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
4001 mlstring_pos, macro_buffer, macro_buffer_len.
4002 Delete members mls_line, mls_column, token_list, potential_control_macro,
4003 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
4004 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
4005 save_parameter_spellings, need_newline, .
4006 Change type of date, time and spec_nodes members.
4007 Change prototypes for include and ident callbacks.
4008 (struct cpp_hashnode): Change type of name. Remove union members
4009 expansion and code. Add members macro, operator and builtin.
4011 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
4012 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
4013 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
4014 cpp_stop_lookahead): New prototypes.
4015 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
4017 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
4018 Move from cpphash.h.
4020 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
4021 ufputs): Move to cpplib.h.
4022 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
4023 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
4024 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
4025 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
4026 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
4027 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
4028 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
4029 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
4030 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
4031 _cpp_parse_assertion, _cpp_find_answer): Delete.
4032 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
4033 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
4034 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
4035 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
4036 _cpp_handle_directive, DSC): New.
4037 (struct include_file): New member defined.
4039 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
4040 _cpp_compare_file_date): Update.
4041 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
4042 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
4043 _cpp_cleanup_hashtable.
4045 * Makefile.in: Remove cppoutput.c.
4047 * cppoutput.c: Delete
4049 * fixheader.c (read_scan_file): Update for new cpp_get_token
4051 (recognized_function): New argument LINE.
4053 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4054 new cpp_get_token prototype.
4056 * scan.h (recognized_function): Update prototype.
4058 * po/POTFILES.in: Remove cppoutput.c.
4060 2000-10-27 Mark Mitchell <mark@codesourcery.com>
4062 * c-typeck.c (check_init_type_bitfields): Remove.
4063 (constructor_incremental): Likewise.
4064 (struct constructor_stack): Remove incremental bit.
4065 (struct initializer_stack): Likewise.
4066 (start_init): Don't play with constructor_incremental.
4067 (finish_init): Likewise.
4068 (really_start_incremental_init): Likewise.
4069 (push_init_level): Likewise.
4070 (pop_init_level): Likewise.
4071 (output_init_level): Likewise.
4072 (output_pending_init_elements): Likewise.
4074 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
4076 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
4077 Improve error messages. Correct parsing of
4078 #pragma pack(pop [,id]). Do not check the user-supplied
4079 alignment if we're popping.
4081 * gcc.dg/pack-test-1.c: New test case.
4082 * gcc.dg/pack-test-2.c: New test case.
4083 * gcc.dg/pack-test-1.h: New file.
4085 2000-10-27 Neil Booth <neilb@earthling.net>
4089 2000-10-27 Kelley Cook <kelley.cook@home.com>
4091 * invoke.texi: Document -mintel-syntax
4093 2000-10-27 Richard Henderson <rth@redhat.com>
4095 * invoke.texi: Document -frename-registers. Add it to -O3.
4096 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
4097 (enum dump_file_index, dump_file): Update order.
4098 (main): Set flag_rename_registers at -O3.
4100 2000-10-27 Richard Henderson <rth@redhat.com>
4102 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
4103 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
4104 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
4105 * config/alpha/alpha.md (call_osf_1): Use it.
4106 (call_value_osf_1): Likewise.
4108 * config/ia64/ia64.c: Revert 10-23 patch.
4109 (ia64_hard_regno_rename_ok): New.
4110 * config/ia64/ia64-protos.h: Declare it.
4111 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
4113 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
4114 Richard Henderson <rth@redhat.com>
4116 * regrename.c: Rewrite to handle multi-register modes and
4117 cond_exec instructions.
4118 * Makefile.in (regrename.o): Update dependancies.
4119 * recog.h (struct operand_alternative): Add is_address.
4120 * recog.c (preprocess_constraints) [case 'p']: Set it.
4122 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
4124 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
4125 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
4126 top level. Kill oldstyle_subdirs. Do not include
4127 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
4128 $outputs. Do not run configure.lang from config.status.
4129 Rearrange warning-flag logic to correspond to what the
4130 makefile wants. Put special vax stage1 options in
4131 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
4132 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
4133 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
4134 switch is given, nothing otherwise.
4135 * configure.lang: Delete.
4137 * Makefile.in: Expunge all traces of extra_c_objs,
4138 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
4139 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
4140 warning options via a three level scheme so that -pedantic and
4141 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
4142 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
4143 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
4144 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
4145 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
4146 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
4147 generation rules. Wrap all rules that change the current
4148 directory in parentheses; pmake doesn't spawn a new shell for
4149 each command. Expunge all references to $(P). When one
4150 command depends on another and they're run all at once, use &&
4151 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
4152 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
4155 * objc/Make-lang.in: Wrap all rules that change the current
4156 directory in parentheses. Expunge all references to $(P).
4157 When one command depends on another and they're run all at
4158 once, use && to separate them, not ;. Add OUTPUT_OPTION to
4159 all object-file generation rules. Delete obsolete variables.
4160 * objc/Makefile.in: Delete.
4162 2000-10-27 Jakub Jelinek <jakub@redhat.com>
4164 * calls.c (expand_call): If sibcall_failure is set during pass 1,
4165 clear tail_call_insns as well.
4167 2000-10-27 Nick Clifton <nickc@redhat.com>
4169 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
4172 2000-10-26 Richard Henderson <rth@redhat.com>
4174 * calls.c (expand_call): Supress sibcall if we have a
4175 BLKmode return in registers.
4177 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
4179 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
4182 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
4184 * tree.c (make_node, case 't'): Set alignment to that of
4186 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
4188 2000-10-25 Mark Mitchell <mark@codesourcery.com>
4190 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
4191 * configure.in (enable-libstdcxx-v3): Arrange to have
4192 HAVE_LIBSTDCXX_V3 substituted into the output files.
4194 2000-10-25 Richard Henderson <rth@redhat.com>
4196 * recog.c (constrain_operands): Initialize which_alternative
4197 before no alternatives early exit.
4199 * cse.c (find_comparison_args): Check that we can reverse a
4200 comparison if needed before accepting the substitution.
4202 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
4204 * simplify-rtx.c (simplify_relational_operation): Sign extend
4205 low words before sign extending to high words.
4207 2000-10-25 Nick Clifton <nickc@redhat.com>
4209 * config/mcore/mcore.c: Include config.h before system.h.
4211 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
4213 * config/mcore/mcore.md (return): Force function epilogue to
4214 always be generated to work around epilogue suppression bug in
4217 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
4219 * c-decl.c (grokdeclarator): Move warning for qualified void
4220 return types with -pedantic to when the function type is
4221 constructed. At -W, warn in general for qualified function return
4222 types, except for volatile void.
4223 * invoke.texi: Document this new warning at -W.
4225 2000-10-25 Neil Booth <neilb@earthling.net>
4227 * cpp.texi: Update with implementation-defined behavior and
4230 2000-10-25 Jakub Jelinek <jakub@redhat.com>
4232 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
4233 incomplete type force it into alias set 0.
4235 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
4237 * alias.c: Include basic-block.h.
4238 (loop_p): New function.
4239 (mark_constant_function): Use it.
4240 * Makefile.in (alias.o): Update dependencies.
4242 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4244 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
4247 2000-10-24 Jim Wilson <wilson@cygnus.com>
4249 * expmed.c (store_bit_field): Move integer pun code down after
4250 code that calls emit_move_insn for entire register move.
4251 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
4252 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
4254 2000-10-24 Richard Henderson <rth@cygnus.com>
4256 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
4257 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
4259 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
4261 * gcse.c (cprop_insn): do not propagate constants into jump_insn
4262 for machines with CC0 more than once.
4264 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
4266 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
4267 pseudos just like memory.
4269 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
4271 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
4272 when deleting libcall sequence collapsed to a single instruction.
4274 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
4276 * expr.c (do_store_flag): Don't crash if either side of a
4277 comparison is error_mark_node.
4279 2000-10-24 Jakub Jelinek <jakub@redhat.com>
4281 * sibcall.c (purge_mem_unchanging_flag): New function.
4282 (optimize_sibling_and_tail_recursive_calls): Call it.
4284 2000-10-24 Philipp Thomas <pthomas@suse.de>
4286 * Makefile.in (check-po): New target for doing checks in the po
4287 subdir if all languages configured.
4288 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
4289 configure if NLS is enabled.
4290 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
4291 otherwise leave empty.
4292 * configure: Regenerate.
4294 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4296 * i386.c (print_operand): Handle new 'A' formatting code.
4297 387 opcodes need suffixes even with -mintel-syntax.
4298 Check for explicit size override (codes 'b', 'w' and 'k').
4299 (print_operand_address): Check if register prefix is needed when
4300 emitting `ds' segment override.
4301 * i386.h: Add comment about new 'A' formatting code.
4302 * i386.md (jump and call patterns): Emit absolute references using %A.
4304 2000-10-23 Richard Henderson <rth@cygnus.com>
4306 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
4307 output registers as fixed.
4308 (ia64_function_epilogue): Undo output fixation.
4310 2000-10-23 Richard Henderson <rth@cygnus.com>
4312 * config/alpha/alpha.md: Add names for all unnamed insns; use
4313 define_insn_and_split in some obvious places.
4315 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
4316 (zero_extendqisi2, zero_extendqidi2): Likewise.
4317 (zero_extendhisi2, zero_extendhidi2): Likewise.
4318 (abs splitters): Fix match_scratch operand number.
4319 (bcc_reverse): Swap pc & label instead of non-canonical compare.
4321 2000-10-23 Jim Wilson <wilson@cygnus.com>
4323 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
4325 * ia64.md (cmpsi_adjusted): Use %r3.
4326 (cmpdi_adjusted): Likewise.
4328 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4330 * config/i386/att.h (ASM_FILE_START): Define.
4332 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
4334 * config/i386/linux.h (ASM_FILE_START): Define.
4336 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
4338 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
4339 since this (only) drags in a crt0.o reference that the .ld files
4342 2000-10-23 Geoff Keating <geoffk@cygnus.com>
4344 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
4345 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
4346 reloads just like an RELOAD_FOR_OUTPUT would.
4348 * local-alloc.c (update_equiv_regs): Add an abort(). When
4349 deleting or moving insns, update reg_equiv[regno].init_insns.
4351 2000-10-23 Mark Mitchell <mark@codesourcery.com>
4353 * c-tree.texi: Improve documentation for IF_STMTs and related
4354 conditional statements.
4356 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4358 * expr.c (do_preexpand_calls): Remove.
4359 (same_from_p): Don't use CALL_EXPR_RTL.
4360 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
4361 (preexpand_calls): Remove.
4362 * tree.c (first_rtl_op): Remove CALL_EXPR case.
4363 (unsave_expr_1): Likewise.
4364 * tree.def (CALL_EXPR): Give it only two slots.
4365 * tree.h (CALL_EXPR_RTL): Remove.
4367 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
4369 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
4370 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4373 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
4375 * calls.c (combine_pending_stack_adjustment_and_call): Don't
4376 adjust stack when unadjusted_alignment ends up as zero.
4378 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
4380 * fixinc/genfixes: Remove EGCS reference.
4381 * install.texi: Remove EGCS reference.
4382 * INSTALL: Regenerate.
4384 2000-10-22 Mark Mitchell <mark@codesourcery.com>
4386 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
4388 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
4390 * diagnostic.c: Remove EGCS reference in comment.
4392 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4394 * loop.c (strength_reduce): Fix error in last change.
4396 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4398 * Makefile.in (SHLIB_NM_FLAGS): New.
4399 (libgcc.mk): Pass it.
4400 * mklibgcc.in (libgcc.map): Use it.
4402 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
4403 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
4405 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4407 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
4409 * sparc.c (load_pic_register): Delete unused varaible.
4411 * libgcc2.c (__addvsi3): Delete unused variable.
4413 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
4414 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
4415 __negvdi2): Prototype.
4417 * ssa.c (apply_delayed_renames): Avoid undefined operation.
4419 * toplev.c (display_target_options): Make static to match
4420 prototype. Delete empty declaration.
4422 2000-10-20 Tom Tromey <tromey@cygnus.com>
4424 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4425 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
4427 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4429 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
4431 (expand_expr_unaligned, case ARRAY_REF): Check that index is
4432 a constant before comparing it; use tree_low_cst.
4433 * tree.c (save_expr): Set TREE_READONLY.
4434 (substitute_expr): Return inside of NON_LVALUE_EXPR.
4435 (build, build1): Set TREE_READONLY if all operands are.
4436 (build_index_type): If upper bound is a negative number, lower
4437 bound is zero and sizetype is unsigned, use upper bound of one and
4440 2000-10-20 David Edelsohn <edelsohn@gnu.org>
4442 * gcc.c (process_command, main): Use "because" instead of
4443 "since" in error messages.
4445 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4447 * stor-layout.c (compute_record_mode): Use tree_low_cst.
4448 Don't use mode of field for record unless sizes are the same.
4449 (layout_type, case ARRAY_TYPE): Remove special bounds handling
4450 previously added for Ada; also change to using host_integerp
4453 * loop.c (strength_reduce): Show when new register made for
4454 giv is known to be a pointer and its aligment if so and known.
4455 (loop_dump_aux): Show VERBOSE parameter unused.
4457 * gcse.c (set_hash_table_size): Now unsigned.
4458 * sdbout.c (template_name_p): Add "const" to avoid warnings.
4459 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
4460 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
4461 (sdbout_end_epilogue): Remove variable NAME.
4462 * system.h (getopt): Add default definition.
4463 * config/alpha/alpha.c (print_operand): Don't continue processing
4464 after issuing error.
4465 (summarize_insn): Avoid use of UL in constant.
4467 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
4469 * fold-const.c (force_fit_type): Unsigned values can overflow
4470 if they are sizetype.
4471 (int_const_binop): Don't use cache if overflows.
4473 2000-10-20 Richard Henderson <rth@cygnus.com>
4475 * function.c (locate_and_pad_parm): Zero alignment_pad.
4477 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
4478 perform substitutions, and apply_change_group to see if it worked.
4480 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4482 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
4484 * combine.c (struct undo): Change int to unsigned int.
4485 (do_SUBST_INT): Args are unsigned int.
4486 (make_extraction, force_to_mode): Use proper type when forming mask.
4487 (make_field_assignment): Likewise.
4489 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
4491 * c-common.c (check_format_info_recurse): Extract string constant
4492 initializers from non-volatile constant arrays and check them as
4494 * c-typeck.c (decl_constant_value): Don't check pedantic or check
4495 for DECL_MODE (decl) != BLKmode.
4496 (decl_constant_value_for_broken_optimization): New function which
4497 includes these checks.
4498 (default_conversion, convert_for_assignment, digest_init): Use
4499 decl_constant_value_for_broken_optimization instead of
4500 decl_constant_value.
4502 2000-10-20 Mark Mitchell <mark@codesourcery.com>
4504 * tree.h (DECL_ALIGN_UNIT): New macro.
4506 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
4508 * config/avr/avr-protos.h (avr_output_bld): New.
4509 (out_shift_with_cnt): Add t_len argument.
4510 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
4511 (output_movqi, output_movhi, output_movsisf): Optimize loading
4512 any constant with exactly one bit set to NO_LD_REGS.
4513 (out_shift_with_cnt): Optimize output code for size or speed,
4514 depending on optimize_size. Handle small shift counts as well
4515 (if not hand-optimized in ?sh??i3_out). Shifts can be done
4516 with or without a scratch register, with help of __tmp_reg__
4517 or __zero_reg__ if necessary. Add T_LEN argument to pass the
4518 length of TEMPLATE in words, return total insn length in *LEN.
4519 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
4520 out_shift_with_cnt to work with the above change.
4521 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
4522 lshrsi3_out): Likewise. Optimize more known shift count cases.
4523 Remove cases already well optimized in out_shift_with_cnt.
4524 (avr_output_bld): New function.
4525 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
4526 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
4527 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
4528 Add reload_completed to insn condition - only for peepholes.
4529 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
4530 in a register or memory.
4531 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
4532 Do not require a scratch register.
4533 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
4534 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
4535 Optimize shifts by known count using a scratch register, but only
4536 if one is still available after register allocation.
4538 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4540 * t-vax: New file. Don't build modules from libgcc1.c.
4542 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
4544 * alias.c: (mark_constant_function): Don't check pure functions.
4545 Initialize and end alias analysis.
4546 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
4547 Don't make a special exception for recursion. Handle
4548 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
4549 unless it's volatile.
4551 * local-alloc.c (equivalence): New structure.
4552 (reg_equiv): Define.
4553 (contains_replace_regs): Remove array and use
4555 (memref_referenced_p): Likewise.
4556 (no_equiv): Likewise.
4557 (update_equiv_regs): Likewise.
4559 (equiv_init_varies_p,
4560 equiv_init_movable_p): New functions.
4561 (update_equiv_regs): Use them. Use rtx_varies_p
4562 instead of function_invariant_p. Process insns
4563 from end to beginning. Allow a REG_EQUIV insn
4564 within the same loop as a use to be moved, also
4565 allow it to be moved out of a loop. Update
4566 REG_DEAD notes when substituting into an insn.
4568 2000-10-19 Jim Wilson <wilson@cygnus.com>
4570 * c-decl.c (start_decl): Check for error_mark_node type before using
4572 (finish_decl): Likewise. Don't give an error if decl type is
4573 already error_mark_node.
4575 * haifa-sched.c (compute_trg_info): Add explanatory comments.
4576 New local update_blocks. Use update_blocks to remove duplicates
4577 when computing update blocks. Check for bblst_table overflow.
4578 (schedule_block): Add explanatory comment. Reduce bblst_size by
4580 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
4583 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4585 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
4587 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4589 * expmed.c: Minor corrections in comments.
4590 * invoke.texi: Added desciption for the new option -ftrapv.
4592 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
4594 * libgcc2.c: Added the missing #endif.
4596 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4598 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
4600 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
4602 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
4603 Use smulv_optab for -ftrapv.
4604 (expand_mult_highpart): Use unsigned multiply.
4605 (expand_divmod): Special-case division by -1.
4606 For EXACT_DIV_EXPR, do right shift first, then the multiply.
4607 For complex divide, use abs with unsigned result.
4608 * expr.c (force_operand): Use unsigned multiply.
4609 (expand_expr): Use overflow-trapping optabs for signed types if
4611 If flag_trapv, don't generate a recursive call with EXPAND_SUM
4612 if the type is signed and the original call wasn't EXPAND_SUM or
4614 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
4615 (negv_optab, absv_optab): Declare.
4616 * flags.h (flag_trapv): Declare.
4617 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
4618 smulv_optab, sdivv_optab, negv_optab and absv_optab.
4619 (gen_insn): Interpret '$P' as requiring an integer mode,
4620 including partial integer modes.
4621 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
4622 (product_cheap_p): Use unsigned expand_mult.
4623 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
4624 (negv_optab, absv_optab): Define.
4625 (expand_binop): Use overflow-trapping optabs for signed types if
4627 Handle negv_optab libe neg_optab.
4628 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
4629 Use overflow-trapping optabs for signed result if flag_trapv.
4630 (expand_complex_abs): Use overflow-trapping optabs for signed types if
4632 Don't open-code complex absolute-value operation for flag_trapv.
4633 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
4634 sdivv_optab, negv_optab and absv_optab.
4635 * toplev.c (flag_trapv): Define.
4636 (lang_independent_options f_options): Include flag_trapv.
4637 * tree.h (TYPE_TRAP_SIGNED): Define.
4638 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
4639 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4641 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
4642 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
4644 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
4645 David V. Henkel-Wallace <gumby@cygnus.com>
4647 * config/i386/t-netware: Bring in from the Red Hat tree.
4648 * config/i386/netware.h: Likewise.
4649 * config/netware.h: Likewise.
4650 * config/rs6000/netware.h: Delete.
4651 * configure.in: Add i[34567]86-*-netware.
4652 * configure: Hand-edit to match configure.in change.
4654 2000-10-18 Mark Mitchell <mark@codesourcery.com>
4656 * c-common.h (flag_no_builtin): Declare.
4657 (flag_no_nonansi_builtin): Likewise.
4658 (c_common_nodes_and_builtins): Change prototype.
4659 * c-common.c (flag_no_builtin): New variable.
4660 (flag_no_nonansi_builtin): Likewise.
4661 (c_common_nodes_and_builtins): Remove parameters. Adjust
4663 * c-decl.c (flag_no_builtin): Remove.
4664 (flag_no_nonansi_builtin): Likewise.
4665 (init_decl_processing): Adjust call to
4666 c_common_nodes_and_builtins.
4668 2000-10-18 Marc Espie <espie@openbsd.org>
4670 * tm.texi (LIBGCC_SPEC): Synch with reality.
4672 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4674 * c-common.c (check_format_types): Check for writing through a
4675 NULL pointer argument.
4677 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
4679 * tm.texi (Exception Region Output): Document
4680 DWARF_CIE_DATA_ALIGNMENT.
4681 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
4683 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
4684 DWARF_CIE_DATA_ALIGNMENT.
4686 2000-10-18 Michael Hayes <mhayes@cygnus.com>
4688 * basic-block.h (struct loop): Delete fields pre_header_root
4689 and pre_header_trace and replace with pre_header_edges
4690 and num_pre_header_edges.
4691 * flow.c (flow_loop_dump): Dump pre_header_edges.
4692 (flow_loops_free): Free pre_header_edges.
4693 (flow_loop_pre_header_scan): Calculate pre_header_edges.
4695 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4697 * contrib.texi: Update references to steering committee members
4698 and Jeff Law's entry.
4700 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4702 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
4703 (maybe_read_dollar_number, check_format_info_main): Use them for
4704 pedantic warning messages.
4706 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4708 * c-common.c (check_format_info_main): Minor cleanup: move
4709 variables into inner scopes; initialize declarations where
4710 appropriate; don't hardcode "scanf" name on warning for zero
4713 2000-10-17 Mark Mitchell <mark@codesourcery.com>
4715 * c-common.c (back_end_hook): New variable.
4716 * c-common.h (back_end_hook): Declare it.
4717 * c-lang.c (finish_file): Use it.
4719 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
4722 2000-10-18 Jan Hubicka <jh@suse.cz>
4724 * i386.c (ix86_comparison_operator, put_condition_code,
4725 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
4726 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
4727 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
4728 * i386.md (adddi and negdi splitter): Use CCRCmode.
4729 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
4730 (subsi3_carry): add '*'
4731 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
4732 (cmp to add peep2): Use CCRCmode; swap operands.
4734 2000-10-18 Kazu Hirata <kazu@hxi.com>
4736 * h8300.c: Fix a comment typo.
4737 (round_frame_size): New.
4738 (compute_saved_regs): Likewise.
4741 (push_order): Remove.
4742 (pop_order): Likewise.
4743 (function_prologue): Rearrange code for readability.
4744 (function_epilogue): Likewise.
4746 * config/h8300/h8300.md: Remove an unnecessary sign_extend
4747 expander that is used when not optimizing. Output a tab after
4748 each assembly insns.
4750 * reorg.c: Fix formatting.
4752 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
4754 * reload1.c (move2add_note_store): Check for simple
4755 auto-inc in destination.
4757 2000-10-17 Michael Chastain <chastain@redhat.com>
4759 * config/i386/i386-aout.h: define INT_ASM_OP.
4761 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
4763 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
4765 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
4767 * i370.md: Fix spelling typo.
4769 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4771 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
4772 Fixes execute/20001017-1.c on powerpc-linux-gnu.
4774 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
4775 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
4778 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
4779 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
4781 * rs6000/aix.h: ...to here.
4782 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
4784 2000-10-17 Jakub Jelinek <jakub@redhat.com>
4786 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
4788 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
4789 sure linker can relax even the delay slot mov %g1,%o7, fix output
4792 2000-10-17 Kazu Hirata <kazu@hxi.com>
4794 * config/h8300/h8300.md: Remove an unnecessary zero_extend
4795 expander that is used when not optimizing. Output a tab after
4796 each assembly insns.
4798 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
4800 * gcc.c: New options --target-help.
4801 (process_command): Added code to parse this new option.
4802 * toplev.c (display_target_options): New function to support the
4804 * cppinit.c (new_pending_directive) : New option OPT_target__help.
4805 (cpp_handle_option): Support this new option.
4806 * invoke.texi: Added notes about --target-help option.
4808 2000-10-17 Graham Stott <grahams@redhat.com>
4810 * config/i386/i386.md (testqi_1): Add missing operand prefix
4812 * config/i386/i386-protos.h: Add missing prototype.
4814 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
4816 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
4817 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
4818 using -mintel-syntax.
4820 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4822 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
4823 (format_types): Use it for printf.
4824 (maybe_read_dollar_number): Add parameter for the kind of format
4825 involved. Warn for multiple use for arguments if this is
4826 inappropriate for the kind of format involved.
4827 (check_format_info_main): Update calls to maybe_read_dollar_number.
4829 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4831 * inclhack.def (hpux_maxint): Also apply fix to values.h.
4832 * fixincl.x: Rebuilt.
4834 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
4836 * genrecog.c (write_switch): Return the first condition that needs a
4839 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
4841 * c-tree.h (warn_sequence_point): Move declaration to...
4842 * c-common.h (warn_sequence_point): ... here.
4843 * c-decl.c (warn_sequence_point): Move definition to...
4844 * c-common.c (warn_sequence_point): ... here.
4845 (struct reverse_tree): New.
4846 (reverse_list, reverse_max_depth): New static variables.
4847 (build_reverse_tree, common_ancestor, modify_ok
4848 verify_sequence_points): New functions.
4849 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
4850 * c-typeck.c (check_modify_expr): Delete.
4851 (build_modify_expr): Don't call it.
4853 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4855 * c-common.h (warn_missing_format_attribute): New variable.
4856 * c-decl.c (warn_missing_format_attribute): New variable.
4857 (c_decode_option): Decode -Wmissing-format-attribute and
4858 -Wno-missing-format-attribute.
4859 * c-common.c (check_function_format): If
4860 -Wmissing-format-attribute, give a warning where a vprintf or
4861 vscanf function is called by a function without its own printf or
4863 * toplev.c (documented_lang_options): Add
4864 -Wmissing-format-attribute.
4865 * invoke.texi: Document -Wmissing-format-attribute.
4867 2000-10-17 Marc Espie <espie@openbsd.org>
4869 * invoke.texi (-shared): Insist on requiring code generation flags
4870 to be used along with -shared, and document the subtle failure that
4871 may occur otherwise.
4873 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4875 * pa.md (return_internal): Move `use' after `return'.
4877 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4879 * machmode.def: Correct comment.
4881 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
4883 * print-rtl.c (print_rtx_head): Constify.
4884 * rtl.h (print_rtx_head): Similarly.
4886 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
4887 Constify char * return value.
4889 (output_64bit_and, output_64bit_ior): Constify char * return value.
4890 (pa_can_combine_p): Make static.
4891 (function_arg): Decorate unused `named' argument. Fix comment typo.
4892 (function_arg_partial_nregs): Decorate unused `named' argument.
4894 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
4896 * c-common.c (format_check_results): New structure.
4897 (finish_dollar_format_checking): Adjust to take a
4898 format_check_results * parameter.
4899 (check_format_info, check_format_info_recurse,
4900 check_format_info_main): Split check_format_info into three
4901 functions, the main checking going in check_format_info_main.
4902 Recurse when any reduction of the format string argument towards a
4903 string literal is done; go down both branches of a conditional
4904 expression. Don't warn for extra format arguments or empty format
4905 strings if they only occur in some branches of a conditional
4908 2000-10-16 Kazu Hirata <kazu@hxi.com>
4910 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
4912 2000-10-16 Jakub Jelinek <jakub@redhat.com>
4914 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
4916 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
4918 * i386.md (*movsi_or): Switch operand order for intel syntax.
4920 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
4924 * gcc.texi (Contributing): Update.
4926 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
4928 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
4929 appropriate assembler dialect.
4931 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
4933 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
4935 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
4937 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
4938 constants 1 and 2 to NO_LD_REGS.
4940 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4942 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
4944 * objc/Make-lang.in (objc-parse.c): Likewise.
4946 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4948 * arm.c: Include obstack.h
4949 (minipool_obstack, minipool_startobj): Define.
4950 (arm_add_gc_roots): Initialize them.
4951 (create_fix_barrier): Use our new obstack.
4952 (push_minipool_barrier, push_minipool_fix): Likewise.
4953 (arm_reorg): Release obstack memory.
4955 2000-10-13 Jakub Jelinek <jakub@redhat.com>
4957 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
4958 (prologue, exception_receiver, builtin_setjmp_receiver): New
4960 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
4961 * config/sparc/sparc-protos.h (finalize_pic): Remove.
4962 (load_pic_register): New prototype.
4963 * config/sparc/sparc.c (pic_setup_code): Remove.
4964 (finalize_pic): Rename to...
4965 (load_pic_register): ...this function.
4966 Don't look for nonlocal_goto_receivers and emit pic setup code
4967 directly. Don't check current_function_uses_pic_offset_table.
4969 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4971 * tree.h (struct obstack): Declare.
4973 2000-10-12 Mark Mitchell <mark@codesourcery.com>
4976 * Makefile.in (ggc-callbacks.o): Remove target.
4977 (flow.o): Depend on GGC_H.
4978 * alias.c (init_alias_analysis):
4979 Remove ggc_p conditionals.
4980 (end_alias_analysis): Likewise.
4981 * basic-block.h (init_flow): New function.
4982 (allocate_reg_life_data): Declare.
4983 * bb-reorder.c (function_obstack): Replace with ...
4984 (flow_obstack): ... new variable.
4985 (fixup_reorder_chain): Use it.
4986 * c-decl.c (ggc_p): Remove.
4987 (caller-save.c): Don't call oballoc/obfree.
4989 undobuf): Remove storage.
4990 (try_combine): Don't call oballoc.
4991 (undo_all): Don't call obfree.
4992 * cse.c (insert): Use xmalloc, not
4994 (cse_main): Adjust accordingly.
4995 * dwarf2out.c (save_rtx): Remove
4997 (dwarf2out_init): Remove ggc_p conditionals.
4998 * emit-rtl.c (rtl_obstack): Remove.
4999 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
5000 (make_insn_raw): Likewise.
5001 (emit_insn_before): Likewise.
5002 (emit_insn_after): Likewise.
5003 (emit_insn): Likewise.
5004 (gen_sequence): Likewise.
5005 (copy_insn_1): Remove handling of `b' RTL components.
5006 (init_emit_once): Remove ggc_p conditionals.
5007 * except.c (create_rethrow_ref): Don't fool with obstacks.
5008 (add_partial_entry): Likewise.
5009 (call_get_eh_context): Likewise.
5010 (begin_protect_partials): Likewise.
5011 (protect_with_terminate): Likewise.
5013 (plus_constant_wide): Likewise.
5014 * expr.c (init_expr_once):
5016 (emit_block_move): Likewise.
5017 (clear_storage): Likewise.
5018 (expand_expr): Likewise.
5019 * flow.c (function_obstack): Remove.
5020 (flow_obstack): New variable.
5021 (flow_firstobj): Likewise.
5022 (create_base_block): Use the flow_obstack.
5023 (split_block): Likewise.
5024 (split_edge): Likewise.
5025 (calculate_global_regs_live): Likewise.
5026 (allocate_bb_life_data): Make it static. Likewiwse.
5027 (init_flow): New function.
5028 (size_int_type_wide): Remove ggc_p conditionals.
5030 (push_function_context_to): Don't call save_tree_status.
5031 (pop_function_context_from): Or restore_tree_status.
5032 (assign_stack_local_1): Don't call push_obstacks.
5033 (find_fixup_replacement): Use xmalloc.
5034 (fixup_var_refs_insns): Free the storage.
5035 (insns_for_mem_walk): Don't mess with obstacks.
5036 (instantiate_decls): Likewise.
5037 (trampoline_address): Likewise.
5038 (expand_function_end): Likewise.
5039 * function.h (sturct function):
5040 Remove obstack-related variables.
5041 (save_tree_status): Don't declare.
5042 (restore_tree_status): Likewise.
5043 * gcse.c (compute_can_copy):
5044 Don't call oballoc/obfree.
5045 * genattrtab.c (operate_exp): Remove
5047 (simplify_cond): Likewise.
5048 (simplify_test_exp): Don't mess with obstacks.
5049 (optimize_attrs): Likewise.
5050 * gengenrtl.c (gendef): Don't include
5052 * ggc-callbacks.c (ggc_p): Remove.
5053 * ggc-none.c (ggc_p): Remove.
5054 * ggc.h (ggc_p): Don't declare.
5055 * integrate.c (save_for_inline): Don't mess with obstacks.
5056 (integrate_decl_tree): Likewise.
5057 (output_inline_function): Likewise.
5059 (init_EXPR_INSN_LIST_cache): Likewise.
5060 * loop.c (temp_obstack):
5062 (rtl_obstack): Likewise.
5063 (init_loop): Don't mess with obstacks.
5064 (reg_address_cost): Free BIVs and GIVs.
5065 (check_insns_for_bivs): Use xmalloc, not oballoc.
5066 (find_mem_givs): Likewise.
5067 (record_biv): Likewise.
5068 (general_induction_var): Likewise.
5069 (product_cheap_p): Likewse.
5070 * optabs.c (init_one_libfunc): Remove
5072 * print-tree.c (debug_tree): Don't use
5074 (print_node): Likewise.
5075 * profile.c (output_func_start_profiler):
5076 Remove call to temporary_allocation.
5078 (eliminate_regs_in_insn): Don't mess with obstacks.
5080 (mark_target_live_regs): Use xmalloc.
5081 (free_resource_info): Free the memory.
5082 * rtl.c (rtl_obstack):
5084 (rtvec_alloc): Don't mess with obstacks.
5085 (rtx_alloc): Likewise.
5087 (copy_rtx): Don't handle `b' cases.
5088 (read_rtx): Use a local rtl_obstack.
5089 * rtl.h (oballoc): Remove.
5091 (pop_obstacks): Likewise.
5092 (push_obstacks): Likewise.
5093 (allocate_bb_life_data): Likewise.
5094 (allocate_reg_life_data): Likewise.
5095 (rtx_free): Likewise.
5096 * sdbout.c (sdbout_queue_anonymous_type):
5097 Use tree_cons, not saveable_tree_cons.
5099 (cselib_init): Don't mess with obstacks.
5101 (mark_block_nesting): Mark the label_chain.
5102 (epxand_label): Use ggc_alloc, not oballoc.
5103 (clear_last_expr): Don't mess with obstacks.
5104 (expand_decl_cleanup): Likewise.
5105 (expand_dcc_cleanup): Likewise.
5106 (expand_dhc_cleanup): Likewise.
5107 (expand_anon_union_decl): Likewise.
5108 (add_case_node): Use xmalloc, not oballoc.
5109 (free_case_nodes): New function.
5110 (expand_end_case): Call it.
5111 * stor-layout.c (layout_type): Don't
5113 (layout_type): Likewise.
5114 * toplev.c (wrapup_global_declarations):
5116 (compile_file): Remove ggc_p conditionals.
5117 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
5118 (decode_f_option): Remove ggc_p conditionals.
5120 (function_maybepermanent_obstack): Remove.
5121 (maybepermanent_obstack): Likewise.
5122 (function_obstack): Likewise.
5123 (tmeporary_obstack): Likewise.
5124 (momentary_obstack): Likewise.
5125 (temp_decl_obstack): Likewise.
5126 (saveable_obstack): Likewise.
5127 (rtl_obstack): Likewise.
5128 (current_obstack): Likewise.
5129 (expression_obstack): Likewise.
5130 (struct obstack_stack): Likewise.
5131 (obstack_stack): Likewise.
5132 (obstack_stack_obstack): Likewise.
5133 (maybepermanent_firstobj): Likewise.
5134 (temporary_firstobj): Likewise.
5135 (momentary_firstobj): Likewise.
5136 (temp_decl_firstobj): Likewise.
5137 (momentary_function_firstobj): Likewise.
5138 (all_types_permanent): Likewise.
5139 (struct momentary_level): Likewise.
5140 (momentary_stack): Likewise.
5141 (init_obstacks): Remove initialization of removed obstacks.
5142 (save_tree_status): Remove.
5143 (restore_tree_status): Likewise.
5144 (temporary_allocation): Liekwise.
5145 (end_temporary_allocation): Liekwise.
5146 (resume_temporary_allocation): Likewise.
5147 (saveable_allocation): Likewise.
5148 (push_obstacks): Likewise.
5149 (push_obstacks_nochange): Likewise.
5150 (pop_obstacks): Likewise.
5151 (allocation_temporary_p): Likewise.
5152 (permanent_allocation): Likewise.
5153 (preserve_data): Likewise.
5154 (preserve_initializer): Likewise.
5155 (rtl_in_current_obstack): Likewise.
5156 (rtl_in_saveable_obstack): Likewise.
5157 (oballoc): Likewise.
5159 (savealloc): Likewise.
5160 (expralloc): Likewise.
5161 (print_obstack_name): Likewise.
5162 (debug_obstack): Likewise.
5163 (object_permanent_p): Likewise.
5164 (push_momentary): Likewise.
5165 (perserve_momentary): Likewise.
5166 (clear_momentary): Likewise.
5167 (pop_momentary): Likewise.
5168 (pop_momentary_nofree): Likewise.
5169 (suspend_momentary): Likewise.
5170 (resume_momentary): Likewise.
5171 (make_node): Don't set TREE_PERMANENT.
5172 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
5173 Don't set TREE_PERMANENT.
5174 (get_identifier): Remove ggc_p conditionals.
5175 (build_string): Likewise.
5176 (make_tree_vec): Likewise.
5177 (build_decl_list): Remove.
5178 (build_expr_list): Likewise.
5179 (tree_cons): Remove ggc_p conditionals.
5180 (decl_tree_cons): Remove.
5181 (expr_tree_cons): Likewise.
5182 (perm_tree_cons): Likewise.
5183 (temp_tree_cons): Likewise.
5184 (saveable_tree_cons): Likewise.
5185 (build1): Remove ggc_p conditionals.
5186 (build_parse_node): Likewise.
5187 (build_type_attribute_variant): Don't mess with obstacks.
5188 (build_type_copy): Likewise.
5189 (type_hash_canon): Likewise.
5190 (build_pointer_type): Likewise.
5191 (build_reference_type): Likewise.
5192 (build_index_type): Likewise.
5193 (build_range_type): Likewise.
5194 (dump_tree_statistics): Don't print obstack information.
5196 (struct tree_common): Remove permanent_flag.
5197 (TREE_PERMANENT): Remove.
5198 (TREE_SET_PERMANENT): Likewise.
5199 (TYPE_OBSTACK): Likewise.
5200 (struct tree_type): Remove obstack.
5202 (savealloc): Likewise.
5203 (build_decl_list): Likewise.
5204 (build_expr_list): Likewise.
5205 (perm_tree_cons): Likewise.
5206 (temp_tree_cons): Likewise.
5207 (saveable_tree_cons): Likewise.
5208 (decl_tree_cons): Likewise.
5209 (expr_tree_cons): Likewise.
5210 (suspend_momentary): Likewise.
5211 (allocation_temporary_p): Likewise.
5212 (resume_momentary): Likewise.
5213 (push_obstacks_nochange): Likewise.
5214 (permanent_allocation): Likewise.
5215 (push_momentary): Likewise.
5216 (clear_momentary): Likewise.
5217 (pop_momentary): Likewise.
5218 (end_temporary_allocation): Likewise.
5219 (pop_obstacks): Likewise.
5220 (push_obstacks): Likewise.
5221 (pop_momentary_nofree): LIkewise.
5222 (preserve_momentary): Likewise.
5223 (saveable_allocation): Likewise.
5224 (temporary_allocation): Likewise.
5225 (resume_temporary_allocation): Likewise.
5226 (perserve_initializer): Likewise.
5227 (debug_obstack): Likewise.
5228 (rtl_in_current_obstack): Likewise.
5229 (rtl_in_saveable_obstack): Likewise.
5231 * varasm.c (current_obstack): Remove.
5232 (saveable_obstack): Remove.
5233 (rtl_obstack): Remove.
5234 (immed_double_const): Don't mess with obstacks.
5235 (immed_real_cons): Likewise.
5236 (output_constant_def): Likewise.
5237 (init_varasm_status): Use xcalloc.
5238 (mark_pool_constant): Mark the pool constant itself.
5239 (free_varasm_status): Free memory.
5240 (decode_rtx_const): Call bzero directly, rather than expanding it
5242 (record_rtx_const): Don't mess with obstacks.
5243 (force_const_mem): Likewise.
5244 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
5246 (aof_pic_entry): Likewise.
5247 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
5248 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
5249 * config/pa/pa.c (saveable_obstack): Remove.
5250 (rtl_obstack): Likewise.
5251 (current_obstack): Likewise.
5252 (output_call): Don't mess with obstacks.
5253 (hppa_encode_label): Remove ggc_p conditionals.
5254 * config/romp/romp.c (get_symref): Don't mess with obstacks.
5255 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
5256 (rs6000_encode_section_info): Likewise.
5257 * config/sh/sh.c (get_fpscr_rtx): Likewise.
5259 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
5261 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
5262 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
5263 (addsi3_carry): Canonicalize.
5264 (addqi_5): Remove '*'.
5265 (sbb pattern): Canonicalize.
5267 * i386.md (cmp to inc/add peep2): New.
5269 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
5271 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
5274 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5276 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
5277 * README.TRAD, TESTS.FLUNK: Remove.
5279 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5281 * c-common.c (decl_attributes): Don't allow strftime formats with
5282 first_arg_num nonzero.
5283 (check_format_info): Set wanted_type and wanted_type_name to zero
5284 before they are possibly assigned and used.
5286 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5288 * c-common.c (scanf_flag_specs): Add flags ' and I.
5289 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
5290 or the ^ and # flags together.
5291 (scan_char_table): Handle the ' and I flags.
5292 (format_types): Add ' and I flags for scanf.
5294 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
5296 * c-common.c (print_char_table): Use the unpromoted type for
5297 lengths "h" and "hh" with conversions dioxXu.
5298 (check_format_types): Apply the default argument promotions where
5299 the wanted type is not a pointer target.
5301 2000-10-11 Michael Meeks <mmeeks@gnu.org>
5302 Joseph S. Myers <jsm28@cam.ac.uk>
5304 * c-typeck.c (check_modify_expr): New function.
5305 (build_modify_expr): Call it if warn_sequence_point.
5306 * c-decl.c (warn_sequence_point): New variable.
5307 (c_decode_option): Handle -Wsequence-point and
5308 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
5309 * c-tree.h (warn_sequence_point): Declare.
5310 * invoke.texi (-Wsequence-point): Document.
5311 * toplev.c (documented_lang_options): Add -Wsequence-point and
5312 -Wno-sequence-point.
5313 Original work by Michael Meeks, 16 Jun 1998.
5315 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5317 * tree.c (get_narrower): Don't look at precision of field if
5320 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
5322 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
5323 declaration for data with "progmem" attribute.
5325 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
5327 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
5328 Correct insn length if shift count is a memory operand.
5329 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
5330 (*iorhi3_clobber): Change lo8 to hi8.
5331 (zero_extendhisi2): Change %B0 to %A1.
5332 (ashlhi3, ashrhi3): Correct insn length.
5333 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
5334 from "clobber" to "set_n" in some alternatives.
5336 2000-10-10 Jakub Jelinek <jakub@redhat.com>
5338 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
5339 remove its insn_chain structure as well.
5341 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5343 * dbxout.c (dbxout_source_line): Remove extra tab.
5345 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
5347 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
5349 2000-10-09 Richard Henderson <rth@cygnus.com>
5351 * Makefile.in (LANG_LIB2FUNCS): Remove.
5352 (LIB2FUNCS): Remove _pure.
5353 (LIB2ADD): Remove LANG_LIB2FUNCS.
5354 (stage_a): Don't set LANG_LIB2FUNCS.
5355 * libgcc2.c (__terminate): Mark noreturn.
5356 (__pure_virtual): Remove.
5357 * mklibgcc.in: Remove LIB2ADD .txt processing.
5359 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5361 * arm.md (push_multi): Revert unintended change.
5363 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5365 * arm.c: Miscellaneous white space and comment clean-ups. No
5369 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5371 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
5372 STRING_CST by calling combine_strings.
5374 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5376 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
5377 (thumb_output_move_mem_multiple): Support new insn format.
5378 * arm.md (movmem12b): Use SSA compatible format.
5379 (movmem8b): Likewise.
5381 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
5383 * arm.md (predicable): New attribute, default to "no".
5384 (all patterns): Mark as predicable if appropriate.
5385 (conditional execution splits): Split using predication format.
5386 (define_cond_exec): Define.
5387 * arm.c (arm_print_operand): handle insn predicate.
5389 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5391 * README.NS32K: Remove file.
5393 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5395 * README-bugs: Remove file.
5397 2000-10-08 Philipp Thomas <pthomas@suse.de>
5398 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
5400 * configure: Rebuilt.
5402 2000-10-08 Philipp Thomas <pthomas@suse.de>
5403 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
5404 disable catalog building if no suitable program was found.
5405 Move warning message from here
5406 (AM_GNU_GETTEXT): To here.
5407 * configure: Rebuilt.
5409 2000-10-08 Philipp Thomas <pthomas@suse.de>
5410 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
5411 different cache variables.
5412 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
5413 uses different cache variables.
5414 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
5415 * configure: Regenerated.
5417 2000-10-08 Richard Henderson <rth@cygnus.com>
5419 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
5420 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
5421 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
5424 * config/t-linux (SHLIB_EXT): New.
5425 (SHLIB_LINK): Use the entire build command, with substitutions.
5426 (SHLIB_LIBS): Remove.
5427 * config/alpha/t-osf4: Likewise.
5428 * config/mips/t-iris6: Likewise.
5429 * config/sparc/t-sol2: Likewise, but move shlib stuff...
5430 * config/sparc/t-slibgcc-sld: ...here.
5431 * config/sparc/t-slibgcc: New file.
5433 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5435 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
5436 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
5438 (intmax_type_node, uintmax_type_node): Define.
5439 * c-common.c (decl_attributes): If pedantic, warn if `mode'
5440 attributes create a type wider than intmax_t.
5441 (T_IM, T_UIM): Define properly.
5442 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
5444 (init_decl_processing): Initialize intmax_type_node and
5446 * c-lex.c (lex_number): When pedantic and warning for integer
5447 constants that are too large, in C99 mode warn for those that have
5448 a type wider than long long.
5450 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
5452 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
5453 FMT_FLAG_FANCY_PERCENT_OK): Define.
5454 (format_char_info): Add flag "4" to comment.
5455 (format_flag_spec, format_flag_pair): New structures.
5456 (format_kind_info): Add additional fields to control format
5458 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
5459 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
5461 (time_char_table): Use "4" flag to handle %Ey.
5462 (format_types): Add entries for new fields.
5463 (get_flag_spec): New function.
5464 (check_format_info): Increase size of flag_chars[] to 256.
5465 Control format checking using the new fields of a format_kind_info
5466 and the new tables; remove all conditionals on printf_format_type,
5467 scanf_format_type or strftime_format_type. Handle all details of
5468 bad combinations of flags (including width, precision and strftime
5469 modifiers) through data rather than ad hoc code. Handle all
5470 details of standard versions in which flags appeared through
5471 data. Use the "4" flag.
5473 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
5475 * config/h8300/h8300.md: Remove the memory alternative and correct
5476 the insn lengths in the templates for sign extention and zero
5479 2000-10-07 Richard Henderson <rth@cygnus.com>
5481 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
5482 * flow.c (make_edges): Revert last change.
5484 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
5486 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
5488 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
5490 * config/alpha/elf.h: Standardize the formatting.
5492 2000-10-06 David O'Brien <obrien@FreeBSD.org>
5494 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
5497 2000-10-06 Richard Henderson <rth@cygnus.com>
5499 * function.c (diddle_return_value): Examine
5500 current_function_return_rtx instead of the DECL_RESULT.
5501 (expand_function_end): Handle reloading DECL_RESULT from memory
5502 into a hard register. Query promote_mode for sign of mismatched
5505 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5507 * haifa-sched.c (schedule_insns): Fix typo in freeing
5508 forward_dependency_cache.
5510 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5512 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
5513 `TARGET_SH2' as a condition.
5515 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5517 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
5518 forward_dependency_cache): New variables.
5519 (add_dependence, remove_dependence): Use anti_dependency_cache and
5520 output_dependency_cache.
5521 (compute_block_forward_dependences): Use forward_dependency_cache.
5522 (schedule_insns): Allocate and free memory for anti/output/forward
5523 dependencies caches.
5525 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
5527 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
5528 `! TARGET_SH1'. Reindent.
5530 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5532 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
5533 Move functions from here ...
5535 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
5537 (c_expand_builtin): New function.
5538 (init_function_format_info): Don't set `check_function_format_ptr'.
5539 (c_common_nodes_and_builtins): Set built_in_class type for
5540 printf/__builtin_printf to BUILT_IN_FRONTEND.
5541 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
5543 * c-common.h (build_function_call): Declare.
5545 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
5546 to `lang_expand_expr' rather than `expand_builtin'.
5548 * tree.c (check_function_format_ptr): Delete.
5550 * tree.h (check_function_format_ptr): Likewise.
5552 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
5554 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
5555 DW_OP_bregx when cfa->reg > 31.
5557 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
5560 2000-10-05 Richard Henderson <rth@cygnus.com>
5562 * c-decl.c (warn_missing_noreturn): Remove.
5563 (c_expand_body): Don't set or check can_reach_end.
5564 * c-tree.h (warn_missing_noreturn): Move ...
5565 * flags.h: ... here.
5566 (can_reach_end): Remove.
5567 * flow.c (check_function_return_warnings): New.
5568 (make_edges): No edge to exit for noreturn sibcalls.
5569 * function.c (expand_function_end): Save the return value
5570 clobber instruction.
5571 (mark_function_status): Mark it.
5572 * function.h (struct function): Add x_clobber_return_insn.
5573 * jump.c (can_reach_end): Remove.
5574 (calculate_can_reach_end): Remove.
5575 (jump_optimize_1): Don't call it.
5576 * output.h (check_function_return_warnings): Declare.
5577 * toplev.c (warn_missing_noreturn): Move from c-decl.c
5578 (rest_of_compilation): Call check_function_return_warnings.
5580 2000-10-05 Richard Henderson <rth@cygnus.com>
5582 * Makefile.in (NM_FOR_TARGET): New.
5583 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
5584 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
5585 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
5586 shared library build on that and EXTRA_MULTILIB_PARTS.
5587 * mkmap-flat.awk: New file.
5588 * mkmap-symver.awk: New file.
5589 * libgcc-std.ver: New file.
5590 * config/libgcc-glibc.ver: New file.
5591 * config/ia64/libgcc-ia64.ver: New file.
5592 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5593 (SHLIB_LINK): Add --version-script.
5594 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
5595 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5596 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
5597 (SHLIB_LINK): Add -M.
5599 2000-10-05 Richard Henderson <rth@cygnus.com>
5601 * Makefile.in (LIB2FUNCS): Add _clz.
5602 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
5603 (__clz_tab): Put in its own unit, non-static.
5604 * libgcc2.h: Always include longlong.h.
5606 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
5607 a zero instead of -1.
5608 (count_trailing_zeros): Likewise.
5610 2000-10-05 Richard Henderson <rth@cygnus.com>
5612 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
5613 when second op1 is const0_rtx. Validate op0 as a register.
5614 * config/alpha/alpha.md (setcc_internal): Don't allow constants
5615 in the first argument of the compare.
5616 (setcc_swapped_internal): Likewise.
5617 (setne_internal): Likewise.
5619 2000-10-05 Geoff Keating <geoffk@cygnus.com>
5621 * tree.c (tree_size): New function split out of copy_node.
5622 (make_node): Remove obstack handling. Use tree_size.
5623 (copy_node): Use tree_size.
5624 * tree.h: Prototype tree_size.
5626 2000-10-05 Richard Henderson <rth@cygnus.com>
5628 * diagnostic.c (output_format): Add missing break.
5630 2000-10-05 Jim Wilson <wilson@cygnus.com>
5632 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
5633 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
5634 sequence insn to INSN, and delete last sequence insn.
5636 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
5638 * gcc.c (main): Include generated configargs.h header
5639 and use arguments in '-v' output.
5641 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5643 * gcc.c: Move data on prefixes forward in file and reorganize.
5644 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
5645 Always define, but make null if no value.
5646 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
5647 and "md_startfile_prefix_1".
5648 (main): Check whether md_exec_prefix and the others are the
5649 null string rather than whether the macro is defined.
5651 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5653 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
5654 from PSImode to SImode.
5656 2000-10-05 Jakub Jelinek <jakub@redhat.com>
5658 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
5659 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
5660 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
5663 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5665 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
5666 negation in proper type.a
5668 2000-10-04 Richard Henderson <rth@cygnus.com>
5670 * configure.in (enable-shared): New.
5671 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
5672 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
5673 * mklibgcc.in: Use them to link shared a libgcc.
5674 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
5675 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
5676 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
5677 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
5679 * configure.in (alpha-osf*): Use t-osf and x-osf.
5680 * config/alpha/t-osf: New file.
5681 * config/alpha/t-osf4: New file.
5682 * config/alpha/x-osf: New file.
5683 * config/alpha/x-alpha: Remove file.
5685 2000-10-04 Will Cohen <wcohen@redhat.com>
5687 * c-typeck.c (process_init_element): Added warning for zero-length
5690 * extend.texi (Zero Length): State that static initializers for
5691 zero-length arrays are not allowed.
5693 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
5695 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
5698 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5700 * config/float-c4x.h: New.
5701 * configure.in (c4x-*): Set float_format to c4x.
5702 * configure: Regenerate.
5704 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5706 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
5707 compilation for solaris versions 2.7 and greater.
5709 2000-10-02 Marc Espie <espie@openbsd.org>
5711 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
5712 instead of redefining from scratch.
5714 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
5716 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
5718 2000-10-01 Mark Mitchell <mark@codesourcery.com>
5720 * config/ns32k/genix.h: Remove.
5721 * config/ns32k/x-genix: Likewise.
5722 * config/ns32k/xm-genix.h: Likewise.
5723 * config/fx80: Remove all filee in directory.
5724 * config/pyr: Likewise.
5725 * config/tahoe: Likewise.
5726 * config/gmicro: Likewise.
5727 * config/spur: Likewise.
5728 * configure.in: Remove configury bits for above targets.
5729 * configure: Regenerated.
5731 * configure.in: Don't configure chill by default.
5732 * configure: Regenerated.
5734 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
5735 (lang_mark_false_label_stack): Remove.
5736 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
5737 <top level> string in GC area.
5738 (mark_splay_tree_node): New function.
5739 (mark_splay_tree): Likewise.
5740 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
5742 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
5743 * ggc-common.c (lang_mark_false_label_stack): Change type.
5744 * ggc.h (ggc_alloc_string): Add comment.
5745 (ggc_strdup): New function.
5747 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
5749 * config/avr/avr.h (BRANCH_COST): Define as 0.
5751 * config/pdp11/pdp11.c: #include "tree.h" added.
5753 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
5755 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
5756 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
5757 with known shift count.
5758 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
5759 New alternative for shift count 2 with no scratch register.
5760 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
5761 "set_n" for shift counts 1 and 2.
5763 2000-09-30 Geoff Keating <geoffk@cygnus.com>
5765 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
5766 the mask value from the individual SET operations.
5767 (return_internal_si): Move the USE after the RETURN.
5768 (return_internal_di): Likewise.
5769 (return_and_restore_fpregs_si): Likewise.
5770 (return_and_restore_fpregs_di): Likewise.
5771 (return_eh_si): Likewise.
5772 (return_eh_di): Likewise.
5773 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
5775 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
5776 Don't generate a PARALLEL around a single operation movsi_to_cr.
5777 Generate the RETURN first in any PARALLELs.
5779 * rtlanal.c (single_set_1): Use fatal_insn to display the
5780 invalid insn. Check for more cases when a USE or CLOBBER occurs
5782 * Makefile.in: Update dependencies for rtlanal.o.
5784 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5786 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
5788 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5790 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
5791 Consistently use @email for formatting email addresses.
5793 2000-09-29 Richard Henderson <rth@cygnus.com>
5795 * cse.c (notreg_cost): New argument outer.
5796 (COST): Pass in SET to notreg_cost
5798 (fold_rtx): Use COST_IN. Prefer constants when costs
5801 2000-09-29 David Edelsohn <edelsohn@gnu.org>
5803 * fixinc/inclhack.def (broken_cabs): Generalize regex.
5804 * fixinc/fixincl.x: Regenerate.
5806 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5808 * loop.c (check_final_value): A GIV is not replaceable if used
5811 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
5813 * version.c: Bump to gcc-2.97.
5815 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
5817 * final.c (final_scan_insn): Remove extra extract_insn call;
5818 Use caching for constrain_operands.
5819 (cleanup_subreg_operands): Use caching for extract_insn.
5820 * recog.c (constrain_operands_cached): New.
5821 * recog.h (constrain_operands_cached): Declare.
5822 * i386.c (ix86_attr_length_immediate_default,
5823 ix86_attr_length_address_default, ix86_agi_dependant): Cache
5826 * recog.c (asm_noperands): Tweak.
5827 (extract_insn): Do not call asm_noperads for non-asm instructions.
5829 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5831 * recog.c (recog_memoized): Rename to recog_memoized_1.
5832 * recog.h (recog_memoized): Rename to recog_memoized_1.
5833 (recog_memoized): New macro.
5834 * rtl.h (single_set): Rename to single_set_1
5835 (single_set): New macro.
5836 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
5839 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
5840 Do not use match_dup of input operands at outputs.
5841 Use register_operand for memory expression.
5842 (rep_movsi): Put use last, canonicalize.
5843 Use register_operand for memory expression.
5844 (rep_movqi): Put use last.
5845 Use register_operand for memory expression.
5846 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
5847 of input operands at outputs. Use register_operand for memory
5849 (rep_stossi): Put use last; canonicalize; fix match_dup in
5850 the address expression
5851 (rep_stosqi): Likewise.
5852 (memcmp expander): Update calls.
5853 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
5856 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
5858 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
5860 2000-09-28 David O'Brien <obrien@FreeBSD.org>
5862 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
5863 Contains the old contents of config/i386/freebsd.h
5864 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
5865 Contains the old contents of config/i386/freebsd-elf.h
5866 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
5867 config/i386/freebsd.h.
5868 * configure.in: Adjust for above changes.
5869 * po/POTFILES.in: Likewise.
5870 * po/en_GB.po: Likewise.
5871 * po/gcc.pot: Likewise.
5872 * configure: Rebuilt.
5874 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5876 * doloop.c (doloop_modify): Prevent delete_insn() from
5877 deleting too much. Prefer loop->top over loop->start as
5878 target for the new JUMP insn.
5879 (doloop_valid_p): Ignore loop with exit_count != 0.
5881 2000-09-28 Philipp Thomas <pthomas@suse.de>
5883 * invoke.texi (i386 Options): Add athlon to table of possible
5886 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
5888 * diagnostic.h (output_clear_message_text): New function.
5889 (output_message_text): New macro.
5891 * diagnostic.c (clear_text_info): Rename to
5892 output_clear_message_text.
5893 (output_clear): Adjust.
5894 (output_finish): Rename to output_finalize_message. Tweek.
5895 (output_to_stream): Adjust.
5897 2000-09-28 Neil Booth <neilb@earthling.net>
5899 * cpperror.c (_cpp_begin_message): Do the test for suppression
5900 of warnings and pedantic warnings before the "is a warning an
5902 * cppinit.c (cpp_handle_option): Remove surplus \n.
5903 * cpplex.c (ON_REST_ARG): Delete.
5904 (skip_block_comment): Initialise prevc.
5905 (parse_args): Improve error messages.
5906 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
5908 * cpplib.c (cpp_push_buffer): Fix grammar in message.
5909 * cppmain.c (main): Set callbacks for #ident and #pragma
5910 only if no_output option is false.
5911 (do_pragma_implementation): Only call the #pragma handler
5912 if it is set in the cpp_reader structure.
5914 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
5916 * integrate.c (copy_insn_list): if an ignored return value
5917 is being clobbered, skip cloning that into the inline copy.
5919 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
5921 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
5922 use @uref for formatting URLs.
5924 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
5926 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
5929 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
5931 * gcc.c (cpp_options): Add spec for -ftabstop=.
5932 (invoke_as): New spec that handles invoking as.
5933 Update specs to handle -save-temps and -traditional.
5934 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
5936 * cp/lang-specs.h, objc/lang-specs.h: Update to use
5937 invoke_as, and handle -save-temps and -traditional (if
5940 2000-09-26 Jakub Jelinek <jakub@redhat.com>
5942 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
5944 (function_arg_slotno): Accept TImode/CTImode.
5945 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
5948 2000-09-26 Michael Hayes <mhayes@cygnus.com>
5950 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
5953 2000-09-25 Jim Wilson <wilson@cygnus.com>
5955 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
5956 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
5957 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
5958 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
5960 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
5962 * cpplex.c (parse_args): Don't set VOID_REST flag.
5963 (CONTEXT_VARARGS): New flag.
5964 (maybe_paste_with_next): Set context earlier in loop. Use
5965 it. Do varargs test with CONTEXT_VARARGS flag.
5966 (push_arg_context): Set CONTEXT_VARARGS flag if we're
5967 pushing an argument context for a varargs argument.
5968 * cpplib.h (VOID_REST): Delete.
5969 * gcc.dg/cpp/vararg1.c: Add test case.
5971 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
5973 * flags.h: Declare warning flag warn_system_headers.
5974 * toplev.c: Define it.
5975 (W_options): Add option -Wsystem-headers.
5976 * diagnostic.c (count_error): Test warn_system_headers.
5977 * invoke.texi: Add description for -Wsystem-headers.
5978 * cpplib.h (cpp_options): New member warn_system_headers.
5979 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
5980 CPP_IN_SYSTEM_HEADER.
5981 * cpplib.c (do_import, do_pragma_once): Likewise.
5982 * cpperror.c (_cpp_begin_message): Test warn_system_headers
5983 and CPP_IN_SYSTEM_HEADER.
5984 * cppinit.c (handle_option): Recognize -Wsystem_headers.
5985 (print_help): Describe -Wsystem_headers.
5986 * cpplex.c (lex_line): Reorganize condition so that warnings
5987 about C++ comments in system headers can be enabled. Remove
5988 label do_line_comment.
5990 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
5992 * cpplex.c (save_comment): Only store the initial '/'
5994 (lex_token): Combine handling of the two comment types.
5995 Pass everything but the initial '/' to save_comment.
5997 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
5999 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
6000 _cpp_can_paste): New library-internal prototypes.
6001 * cpplex.c (dump_param_spelling, output_line_command,
6002 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
6003 cpp_printf, cpp_output_list): Move to cppoutput.c.
6004 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
6005 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
6007 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
6008 dump_param_spelling, output_line_command, cpp_scan_buffer,
6009 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
6011 * Makefile.in: Add cppoutput.c.
6012 * po/POTFILES.in: Add cppoutput.c.
6014 2000-09-25 Richard Henderson <rth@cygnus.com>
6016 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
6017 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
6018 split until after reload.
6019 (rotlsi3, rotldi3): New.
6021 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
6023 * diagnostic.c (output_last_position): Define.
6024 (set_real_maximum_length): Tweek.
6025 * diagnostic.h (output_last_position): Declare.
6027 2000-09-25 Kazu Hirata <kazu@hxi.com>
6029 * config/i386/i386.c: Fix formatting.
6031 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
6033 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
6034 UNITS_PER_WORD is small.
6036 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
6038 * c-common.c (format_char_info): Add flags2; update comments.
6039 (print_char_table, scan_char_table, time_char_table): Split some
6040 flags out into flags2.
6041 (check_format_info): Use flags2 for those flags, for identifying
6042 the initial character of a scanf scanset, and for identifying
6043 printf formats where the '0' flag is ignored with precision.
6045 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
6047 Changes below marked "here" add TABs on either or both sides,
6048 covering start of line, up to any operand for all noted .*ASM.*_OP
6049 definitions. All callers changed.
6050 * tm.texi: Make documented *_ASM.*_OP:s include spacing
6051 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
6052 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6053 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6054 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
6055 Fix typos in description for LONG_LONG_TYPE_SIZE and
6056 FINI_SECTION_ASM_OP.
6057 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
6058 why these defaults don't have leading spacing.
6059 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
6060 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6061 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
6062 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
6063 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
6064 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
6065 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
6066 * varasm.c (ASM_STABS_OP): Here.
6067 * xcoffout.h (ASM_STABS_OP): Here.
6068 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6069 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6070 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
6071 STRING_ASM_OP): Here.
6072 * config/freebsd.h (IDENT_ASM_OP): Here.
6073 * config/linux-aout.h (SET_ASM_OP): Here.
6074 * config/linux.h (SET_ASM_OP): Here.
6075 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6077 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6078 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
6079 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
6080 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6082 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
6083 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
6084 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
6085 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6086 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
6087 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6088 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
6089 * config/a29k/udi.h (INT_ASM_OP): Here.
6090 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
6091 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6093 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
6094 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6095 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6096 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
6097 ASM_STABD_OP): Here.
6098 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
6099 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
6100 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6101 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
6102 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
6103 SIZE_ASM_OP, STRING_ASM_OP): Here.
6104 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
6105 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
6106 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
6107 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
6108 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
6109 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
6111 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6112 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
6113 * config/arm/coff.h (INT_ASM_OP): Here.
6114 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6115 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
6116 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
6117 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
6118 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
6119 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6120 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
6121 STRING_ASM_OP): Here. Update documentation copy in comments.
6122 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
6123 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
6124 DATA_SECTION_ASM_OP): Here.
6125 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
6127 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
6128 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6129 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6130 BSS_SECTION_ASM_OP): Here.
6131 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6132 BSS_SECTION_ASM_OP): Here.
6133 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6135 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
6136 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
6137 * config/h8300/h8300.h (ASM_WORD_OP): Here.
6138 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6139 BSS_SECTION_ASM_OP): Here.
6140 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
6141 * config/i386/bsd.h (ASM_BYTE_OP): Here.
6142 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
6143 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
6144 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
6146 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
6147 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
6149 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
6150 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6151 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
6152 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
6154 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
6155 * config/i386/netbsd.h (INT_ASM_OP): Here.
6156 * config/i386/openbsd.h (INT_ASM_OP): Here.
6157 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
6158 IDENT_ASM_OP): Here.
6159 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
6160 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
6161 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
6162 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
6163 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
6164 SHARED_BSS_SECTION_ASM_OP): Here.
6165 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
6166 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6167 DATA_SECTION_ASM_OP): Here.
6168 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6169 CONST_SECTION_ASM_OP): Here.
6170 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
6171 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6172 BSS_SECTION_ASM_OP): Here.
6173 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
6174 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
6175 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
6176 BSS_ASM_OP): Here, but use trailing spaces.
6177 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6178 DATA_SECTION_ASM_OP): Here.
6179 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
6181 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
6182 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
6183 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6184 TDESC_SECTION_ASM_OP): Here.
6185 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
6186 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6187 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6189 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6190 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
6191 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6192 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6193 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
6194 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
6195 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6196 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
6197 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
6198 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
6199 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6200 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6202 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6203 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6204 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
6205 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
6206 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
6207 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
6208 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
6209 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6210 GLOBAL_ASM_OP): Here.
6211 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
6212 BSS_SECTION_ASM_OP): Here.
6213 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
6214 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6215 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
6216 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
6218 * config/m68k/newsgas.h (SET_ASM_OP): Here.
6219 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
6220 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6221 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
6222 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
6223 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
6224 but use trailing spaces.
6225 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
6226 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
6227 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
6229 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
6230 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6231 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6232 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
6233 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6234 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
6235 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
6236 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
6237 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
6238 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
6239 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6240 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
6242 * config/m88k/openbsd.h (SET_ASM_OP): Here.
6243 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6244 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
6245 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
6246 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
6247 DTORS_SECTION_ASM_OP): Here.
6248 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
6249 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6250 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
6251 BSS_SECTION_ASM_OP): Here.
6252 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
6253 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
6254 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
6255 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
6256 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
6257 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
6258 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
6259 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
6261 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
6263 * config/mips/osfrose.h (SET_ASM_OP): Here.
6264 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
6265 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
6266 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
6267 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6269 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
6270 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
6271 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
6272 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
6273 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
6274 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6276 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6278 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
6279 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
6280 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
6282 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
6283 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
6284 * config/sparc/linux.h (COMMON_ASM_OP): Here.
6285 * config/sparc/linux64.h (COMMON_ASM_OP,
6286 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
6287 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
6288 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
6289 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
6290 * config/sparc/pbd.h (ASM_INT_OP): Here.
6291 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
6292 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
6293 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
6294 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
6295 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
6296 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
6297 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
6298 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
6299 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
6300 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6301 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
6302 EH_FRAME_SECTION_ASM_OP): Here.
6303 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
6304 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6306 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6308 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
6309 TCOMMON_ASM_OP): Here.
6310 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
6312 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
6315 2000-09-25 Richard Henderson <rth@cygnus.com>
6317 * expmed.c (store_bit_field): Adjust last change to not consider
6318 any word-sized field naturally aligned.
6320 2000-09-24 Richard Henderson <rth@cygnus.com>
6322 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
6323 TFmode unordered compares properly. Revalidate integer compare
6325 (alpha_emit_setcc): New.
6326 (alpha_emit_conditional_move): Revalidate integer compare operands.
6327 * config/alpha/alpha-protos.h: Update.
6328 * config/alpha/alpha.md (cmpdi): Allow general operands.
6329 (sne): Use alpha_emit_setcc.
6330 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
6331 (sunordered, sordered): New.
6333 2000-09-24 Richard Henderson <rth@cygnus.com>
6335 * config/ia64/ia64-protos.h: Update.
6336 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
6337 (ia64_expand_call): New.
6338 (ia64_expand_prologue): Emit an alloc if we need extra input
6340 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
6341 instruction if true.
6342 (struct reg_flags): Add is_sibcall.
6343 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
6344 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
6345 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
6346 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6347 * config/ia64/ia64.md (call): Use ia64_expand_call.
6348 (call_value): Likewise.
6349 (sibcall, sibcall_value): New.
6350 (call patterns): Remove extra expanders; tidy.
6351 (sibcall_epilogue): New.
6352 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
6354 2000-09-24 Richard Henderson <rth@cygnus.com>
6356 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
6358 * sibcall.c (skip_pic_restore): New.
6359 (identify_call_return_value): Use it.
6361 2000-09-24 Mark Mitchell <mark@codesourcery.com>
6363 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
6364 functions. Generalize to handle both C and C++.
6365 * Makefile.in (c-tree.info): New target.
6366 (info): Add c-tree.info.
6368 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6370 * expr.c (store_field): If BITSIZE is negative, use size of type.
6371 (expand_expr, case COMPONENT_EXPR): Likewise.
6373 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
6375 * cpplex.c: Update TODO comment.
6376 * cpplib.c (do_error, do_warning): Merge common code of
6377 do_error and do_warning into do_diagnostic. Use it.
6378 (do_diagnostic): New function.
6379 * cpplib.h: Fix comment typo.
6381 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6383 * c-common.c (check_format_info): Warn for a wide character string
6384 used as a non-wide format argument.
6386 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
6388 * builtins.def (BUILT_IN_LLABS): Add.
6389 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
6390 * c-common.c (c_common_nodes_builtins): Create builtin functions
6391 __builtin_llabs, and plain llabs unless no_nonansi_builtins
6392 outside of C99 mode.
6393 (expand_tree_builtin): Handle BUILT_IN_LLABS.
6395 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
6397 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
6398 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
6399 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
6400 _cpp_free_toklist): No need to worry about extra dummy token
6401 at the start of token lists any more.
6402 (trigraph_ok): Only warn outside comments.
6403 (skip_block_comment): Set and clear lexing_comment.
6404 (skip_line_comment): Take a cpp_reader not cpp_buffer.
6405 Set and clear lexing_comment.
6406 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
6407 (check_long_token): Delete.
6408 (lex_percent, lex_dot): New subroutines of lex_token to
6409 handle lexing of '.' and '%' without lookback.
6410 (lex_token): Use lex_dot and lex_percent.
6411 (lex_line): Don't check for LIST_OFFSET.
6412 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
6413 * cpplib.c (_cpp_parse_assertion): Similarly.
6414 (cpp_push_buffer): Initialize extra_char.
6415 * cpplib.h (LIST_OFFSET): Delete.
6416 (struct cpp_buffer): New member extra_char.
6417 (struct lexer_state): New members lexing_comment and seen_dot.
6419 2000-09-23 Jason Merrill <jason@redhat.com>
6421 * config/rs6000/x-aix41 (CLIB): Define here.
6422 * config/rs6000/t-aix43: Not here.
6423 * config/rs6000/t-aix41: Or here. Remove.
6424 * configure.in: Don't use it.
6426 2000-09-22 Jason Merrill <jason@redhat.com>
6428 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
6429 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
6430 * config.in: Regenerate.
6432 * configure.in: Fix checks for assembler features when using a
6433 one-tree assembler that has not yet been built.
6434 Fix --disable-threads.
6436 2000-09-19 Geoff Keating <geoffk@cygnus.com>
6438 * stmt.c (expand_asm_operands): Allow # in constraints.
6440 2000-09-22 Jason Merrill <jason@redhat.com>
6442 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
6444 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
6445 function-local names.
6447 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
6448 Mark Mitchell <mark@codesourcery.com>
6450 * toplev.c (warn_disabled_optimization): Declare new warning flag.
6451 * flags.h (warn_disabled_optimization): Add it here.
6452 * gcse.c (gcse_main): Add warning when disabled.
6453 * invoke.texi: Document -Wdisabled-optimization.
6455 2000-09-21 Jason Merrill <jason@redhat.com>
6457 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
6459 * dwarf2out.c (tree_add_const_value_attribute): New fn.
6460 (gen_variable_die): Call it for non-definitions.
6462 * dwarf2out.c (die_struct): Add die_mark field.
6463 (mark_dies, unmark_dies): New fns.
6464 (clear_die_sizes): Remove.
6465 (print_die): Check die_symbol rather than die_offset.
6466 (build_abbrev_table, output_pubnames, output_aranges): Check
6467 die_mark rather than die_offset.
6468 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
6471 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
6473 * cppfiles.c (lookup_include_file): Rename to open_file.
6474 Always create a splay tree value, even on syscall failures.
6475 Negative entries indicated by fd == -2.
6476 Re-open files closed in the meantime.
6477 (_cpp_fake_include): Create a negative splay tree entry.
6478 (find_include_file, cpp_read_file): Update for function name
6480 * gcc.gd/cpp/mi4.c: Testcase.
6482 2000-09-21 Nick Clifton <nickc@redhat.com>
6484 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
6485 ARM and THUMB modes.
6487 * config/mcore/mcore.c: Fix compile time warnings.
6488 * config/mcore/mcore-protos.h: Fix compile time warnings.
6490 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6492 * configure.in: Correct test of gcc_cv_glibc.
6493 * configure: Rebuilt.
6494 * config.in: Rebuilt.
6496 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6498 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
6499 (expand_builtin): Handle BUILT_IN_FWRITE.
6501 * builtins.def (BUILT_IN_FWRITE): New entry.
6503 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
6505 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6507 * gcc.c (modify_target): New variable and struct.
6508 (process_command): Handle MODIFY_TARGET_NAME.
6509 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
6510 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
6512 * c-decl.c (finish_decl): Add else's to avoid referencing
6513 TYPE_DOMAIN of an ERROR_MARK.
6515 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
6517 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
6520 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
6522 * config/avr/avr.md (neghi2): Add alternative for input and output
6523 operands in different registers, as in negsi2.
6524 (*negsi2): Remove '*' from the name. Use "movw" if available.
6526 2000-09-19 Jim Wilson <wilson@cygnus.com>
6528 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
6529 HAVE_GAS_HIDDEN macro.
6531 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
6533 * cpplex.c (lex_line): Drop the EOF token for unknown
6534 directives in assembler.
6536 2000-09-19 David Edelsohn <edelsohn@gnu.org>
6538 * configure.in: Allow enable_threads_flag value of "aix". Define
6539 thread_file as "aix" for AIX 4.3 and above.
6540 * configure: Regenerated.
6542 * gthr-aix.h: New file.
6544 * rs6000/t-aix43: Replace soft-float multilib with pthread.
6545 Remove 403 processor multilib match. Fix rios2 processor multilib
6548 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
6549 to return to appropriate csect.
6551 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6553 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
6555 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
6556 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
6559 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
6562 * c-common.c (init_function_format_info): Handle __builtin_printf.
6563 Set `check_function_format_ptr'.
6564 (c_common_nodes_and_builtins): Set `puts_ftype' and
6565 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
6566 __builtin_printf and printf.
6568 * tree.c, tree.h (check_function_format_ptr): Declare.
6570 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
6572 * cppfiles.c (read_include_file): Take no special action for
6575 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
6577 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
6578 rather than that of branch.
6579 (shorten_branches): Don't increment insn_current_address twice.
6581 Undo most of the Wed Jan 27 23:39:53 1999 patch:
6582 * loop.h (struct induction): Delete members derived, ix and last_use.
6583 (struct loop_ivs): Delete members first_increment_giv and
6585 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
6586 recombine_givs): Delete functions.
6587 (find_and_verify_loops): Don't initialize cont_dominator.
6588 (strength_reduce): Lose code to try to find bivs that can be
6589 expressed as givs of another biv, and to convert biv increments
6591 Lose loop_scan_start variable, always use loop->scan_start.
6592 Don't call recombine_givs. Don't handle derived givs.
6593 (record_giv): Don't initialize derived and last_use fields.
6594 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
6596 * unroll.c (derived_regs): Delete static variable.
6597 (unroll_loop): Don't initialize it.
6598 (copy_loop_body): Lose code to handle derived givs.
6599 (find_splittable_givs): Don't check for givs made from biv
6601 Don't set derived_regs.
6603 Fix misapplied earlier patch:
6604 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
6606 (floatsisf2): Generate floatsisf_ie by default.
6607 (floatsisf_i4): Conditional on TARGET_SH4.
6609 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
6610 predicate for the expanders.
6612 2000-09-19 Richard Henderson <rth@cygnus.com>
6614 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
6615 in addition to pentium and pentiumpro symbols.
6616 (CPP_CPU_DEFAULT_SPEC): Likewise.
6618 * c-typeck.c (c_expand_asm_operands): Restore the output tree
6621 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
6622 if the tree has side effects.
6623 (warn_if_unused_value): Do not warn about void constructs.
6625 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
6627 * unroll.c (copy_loop_body): Update LABEL_NUSES before
6628 calling invert_jump.
6630 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6632 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
6635 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6637 * Makefile.in (c-common.o): Depend on diagnostic.h.
6639 * c-common.c: Include diagnostic.h.
6641 (status_warning): New function.
6642 (check_format_info, maybe_read_dollar_number, check_format_types,
6643 finish_dollar_format_checking, check_function_format): Accept a
6644 `status' parameter. All callers changed.
6646 * c-common.h (check_function_format): Accept a `status' parameter.
6648 * c-typeck.c: Update call to `check_function_format'.
6650 2000-09-18 Richard Henderson <rth@cygnus.com>
6652 * c-decl.c (c_expand_body): Call mark_varargs before
6653 expand_function_start.
6655 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6657 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
6658 * config/rs6000/eabi-ci.asm: Likewise.
6660 2000-09-18 Richard Henderson <rth@cygnus.com>
6662 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
6665 2000-09-18 Jim Wilson <wilson@cygnus.com>
6667 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
6668 before passing it to fold_rtx_mult_add.
6670 * unroll.c (final_giv_value): Pass increment through
6671 extend_value_for_giv before passing it to emit_iv_add_mult.
6673 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
6674 paradoxical subreg, then directly substitute the replacement and
6677 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
6679 * cpp.texi: Update documentation, including some clarifications,
6680 the treatment of various newline combinations, and space between
6681 backslash and newline.
6683 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6685 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
6686 Replace ASM_OUTPUT_LABELREF with assemble_name.
6688 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6690 * sh.c (addsubcosts): CONST is not cheap.
6691 (find_barrier): For Sh1, take alignment after jumps into account.
6693 2000-09-15 Andrew Haley <aph@redhat.com>
6695 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
6696 remove all SETs of SUBREGs of hard registers.
6697 * function.c (purge_hard_subreg_sets): New function.
6698 (purge_single_hard_subreg_set): New function.
6699 * rtl.h: (purge_hard_subreg_sets): New function.
6701 2000-09-18 Richard Henderson <rth@cygnus.com>
6703 * config/ia64/ia64-protos.h: Update.
6704 * config/ia64/ia64.c (signed_inequality_operator): New.
6705 (ia64_expand_compare): New.
6706 (ia64_register_move_cost): Handle PR_REGS moves.
6707 (ia64_secondary_reload_class): Require a GR when moving to a PR.
6708 (struct reg_write_state): Add written_by_and/or.
6709 (struct reg_flags): Add is_and/or.
6710 (rws_update): Set them.
6711 (rws_access_regno): Test them to allow parallel comparisons.
6712 (rtx_needs_barrier): Recognize parallel comparisons.
6713 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
6714 Call recog_memoized; ignore pred_rel_mutex.
6715 (emit_predicate_relation_info): Don't call find_basic_blocks here.
6716 (ia64_reorg): Do it here instead.
6717 * config/ia64/ia64.h: s/CCmode/BImode/g
6718 (MODES_TIEABLE_P): Don't tie BImode.
6719 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
6720 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
6721 (RTX_COSTS): Make multiply 4 insns.
6722 (MEMORY_MOVE_COST): New.
6723 (PREDICATE_CODES): Update.
6724 * config/ia64/ia64.md: s/CCmode/BImode/g
6725 (movcci, movbi): New.
6726 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
6727 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
6728 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
6729 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
6730 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
6731 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
6732 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
6733 (mulsi, muldi): Use xmpy not xma.
6735 (movcc, movcc_internal): Remove.
6736 (branch expanders): Use ia64_expand_compare.
6737 (setcc expanders): Likewise.
6738 (cmov insns): Use move_operand and ia64_move_ok.
6739 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
6740 scheduler from moving it past a use.
6741 * config/ia64/build.hacks: Remove.
6743 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
6745 * cpphash.h (HASHSTEP): Take character rather than pointer
6747 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
6749 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
6751 * cpplex.c (auto_expand_name_space, trigraph_replace,
6752 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
6753 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
6754 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
6755 KNOWN_DIRECTIVE): Delete.
6757 (handle_newline, check_long_token, skip_escaped_newlines,
6758 unterminated): New functions.
6759 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
6761 (parse_identifier): Was parse_name, new implementation.
6762 (skip_line_comment, skip_block_comment, skip_whitespace,
6763 parse_number, parse_string, trigraph_ok, save_comment,
6764 adjust_column, _cpp_get_line): New implementations.
6766 (lex_token): New function. Lexes a token at a time, looking
6767 forwards. Contains most of the guts of the old lex_line.
6768 (lex_line): New implementation, using lex_token to obtain
6770 (cpp_scan_buffer): Use the token's line, not the list's line.
6772 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
6773 New implementations.
6774 (do_assert): Don't bother setting the answer's list's line.
6775 (cpp_push_buffer): Initialise new pfile and read_ahead members
6776 of struct cpp_buffer.
6778 * cpplib.h (cppchar_t): New typedef.
6779 (struct cpp_buffer): read_ahead, pfile and col_adjust are
6781 (struct lexer_state): New structure that determines the state
6782 and behaviour of the lexer.
6783 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
6784 (struct cpp_reader): New member "state". Rename
6785 multiline_string_line and multiline_string_column. Delete
6786 col_adjust, in_lex_line members.
6787 (CPP_BUF_COLUMN): Update.
6789 2000-09-18 Richard Henderson <rth@cygnus.com>
6791 * combine.c (simplify_comparison): Shift a NOT out of a single
6794 * combine.c (if_then_else_cond): Canonicalize BImode true to
6796 * explow.c (trunc_int_for_mode): Likewise.
6798 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
6799 the NOT for De Morgan's rule.
6800 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
6801 of a comparison to the reverse comparison.
6803 * combine.c (try_combine): Allow split to create a single insn.
6805 * machmode.def: Add BImode. Add a column for bitsize.
6806 * machmode.h (DEF_MACHMODE): Adjust for extra column.
6807 (GET_MODE_BITSIZE): Use it.
6808 * rtl.c (DEF_MACHMODE): Adjust for extra column.
6809 (mode_bitsize): New.
6810 (mode_mask_array): Use bitsize.
6811 * combine.c (combine_simplify_rtx): Require inner and outer
6812 modes to match on nonzero_bits optimizations.
6814 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6816 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
6817 its entry in spill_reg_store.
6818 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
6819 * sh.c (reg_no_subreg_operand): New function.
6820 * sh-protos.h (reg_no_subreg_operand): Declare it.
6821 * sh.h (PREDICATE_CODES): Add it.
6822 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
6823 input operand that needs to be in fpul.
6824 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
6825 * sh.c (find_barrier): Take into account that machine_dependent_reorg
6826 might add new insns.
6828 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
6830 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
6832 (sh_expand_epilogue): Take the PIC register into account when
6833 computing the frame size.
6835 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
6836 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
6837 LABEL_REFs with a PIC-safe unspec.
6839 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6841 * c-common.c (check_format_info): Properly save the argument
6842 number and parameter for $ operand number formats in case width
6843 and precision arguments are also used. Allow printf width and
6844 precision arguments to have operand numbers even if none was
6845 specified for the main format, since this is OK for %*.*m. Only
6846 object to missing $ operand number if the format used requires an
6849 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6851 * c-common.c (format_char_info): Add 'W' flag to comment.
6852 (print_char_table, scan_char_table): Use it.
6853 (check_format_info): Use the 'W' flag to determine whether a
6854 format argument is written into.
6856 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6858 * c-common.c (check_format_types): Reorganise and clean up,
6859 checking earlier for ERROR_MARKs and making cur_type into its
6860 TYPE_MAIN_VARIANT where convenient.
6862 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6864 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
6866 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6868 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
6870 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
6871 * i386.c (struct builtin_description): New.
6872 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
6873 (mmx_reg_operand): Declare MODE arg as unused.
6874 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
6875 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
6876 ix86_expand_binop_builtin, ix86_expand_store_builtin,
6877 ix86_init_builtins, ix86_expand_builtin): New functions.
6878 * i386.h (ix86_builtins): New enumeration.
6879 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
6880 * i386.md (attr length_immediate): 0 for mmx/sse types.
6881 (attr prefix_0f): 1 for mmx/sse types.
6882 (setcc_2): Remove "*" so we get gen_setcc_2.
6883 (emms): Account for changed register numbering. Set "memory" attr
6885 (sfence): Set "memory" attr to unknown.
6887 2000-09-18 Andreas Jaeger <aj@suse.de>
6889 * configure.in: Define _GNU_SOURCE only when using the GNU C
6891 * configure: Regenerated.
6892 * config.in: Regenerated.
6894 2000-09-17 Mark Mitchell <mark@codesourcery.com>
6896 * cppinit.c (cpp_init): Don't use ANSI prototypes.
6897 * flow.c (flow_dump_loop): Likewise.
6898 (flow_loops_dump): Likewise.
6900 * c-typeck.c (c_start_case): Fix typo.
6902 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6904 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
6905 to int for plain complex which defaults to complex double. Do
6906 warn about defaulting to complex double if pedantic. Warn about
6907 complex integer types if pedantic. Warn about complex types if
6908 pedantic and not in C99 mode.
6909 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
6910 for complex conjugation.
6912 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6914 * contrib.texi: Update my entry.
6916 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
6918 * config/avr/avr.md (mcu_enhanced): New attribute.
6919 (mcu_mega): Likewise.
6920 (extendhisi2): Use mcu_enhanced.
6921 (zero_extendhisi2): Likewise.
6922 (call_insn): Use mcu_enhanced and mcu_mega.
6923 (call_value_insn): Likewise.
6924 (*sbrx_branch): Use mcu_mega.
6925 (*sbrx_and_branchsi): Likewise.
6926 (*sbrx_and_branchhi): Likewise.
6927 (*tablejump_lib): Likewise.
6929 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6931 * alias.c (true_dependence): Allow non-unchanging read to conflict
6932 with unchanging write.
6934 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
6935 (store_constructor): Pass alias_set to it.
6937 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
6938 TYPE_MAIN_VARIANT of ERROR_MARK.
6939 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
6941 * simplify-rtx.c (simplify_unary_operation): Add cases
6942 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
6944 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
6946 * expr.h (emit_library_call, emit_library_call_value): Delete
6948 * rtl.h (enum libcall_type): New.
6949 (emit_library_call, emit_library_call_value): Change fn_type arg to
6950 be of type enum libcall_type.
6951 * calls.c: Likewise for the function definitions. Several callers
6952 throughout changed to use the new enumeration appropriately.
6953 (emit_library_call_value_1): Likewise. Put back code to make libcall
6954 blocks of equal form, but only use it for the two new higher
6957 2000-09-16 Mark Mitchell <mark@codesourcery.com>
6959 Convert the C front-end to use function-at-a-time mode.
6960 * c-common.h: Include splay-tree.h.
6961 (C_DECLARED_LABEL_FLAG): New macro.
6962 (struct language_function): Add x_scope_stmt_stack and
6963 x_function_name_declared_p.
6964 (RECHAIN_STMTS): Move definition.
6965 (lang_statment_code_p): Likewise.
6966 (lang_expand_stmt): Likewise.
6967 (lang_expand_decl_stmt): New variable.
6968 (lang_expand_function_end): Likewise.
6969 (current_scope_stmt_stack): New function.
6970 (add_decl_stmt): Likewise.
6971 (add_scope_stmt): Likewise.
6972 (mark_stmt_tree): Likewise.
6973 (struct c_lang_decl): New structure.
6974 (DECL_SAVED_TREE): Define.
6975 (c_mark_lang_decl): New function.
6976 (c_expand_start_cond): Change prototype.
6977 (c_finish_then): New function.
6978 (c_finish_else): Likewise.
6979 (current_function_name_declared): Remove.
6980 (set_current_function_name_declared): Likewise.
6981 (mark_c_language_function): Declare.
6982 (case_compare): Likewise.
6983 (c_add_case_label): Likewise.
6984 (c_expand_expr): Likewise.
6985 (c_safe_from_p): Likewise.
6986 * c-common.c (lang_expand_function_end): New variable.
6987 (struct if_elt): Add if_stmt.
6988 (c_expand_start_cond): Add the if-statement to the statement-tree,
6989 rather than generating RTL.
6990 (c_finish_then): New function.
6991 (c_expand_start_else): Don't generate RTL.
6992 (c_finish_else): New function.
6993 (c_expand_expr_stmt): Don't generate RTL.
6994 (statement_code_p): Add SCOPE_STMT.
6995 (case_compare): New function.
6996 (c_add_case_label): Likewise.
6997 (mark_stmt_tree): Likewise.
6998 (c_mark_lang_decl): Likewise.
6999 (mark_c_language_function): Likewise.
7000 (c_expand_expr): Likewise.
7001 (c_safe_from_p): Likewise.
7002 * c-decl.c (c_stmt_tree): New variable
7003 (c_scope_stmt_stack): Likewise.
7004 (c_function_name_declared_p): Likewise.
7005 (lang_expand_expr_stmt): Remove.
7006 (poplevel): Don't call output_inline_function for nested
7008 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
7010 (redeclaration_error_message): Change means of computing whether
7011 or not a function is nested.
7012 (lookup_label): Don't call label_rtx.
7013 (init_decl_processing): Add more GC roots.
7014 (start_decl): Add DECL_STMTs to the statement-tree, rather than
7015 calling rest_of_decl_compilation.
7016 (finish_decl): Don't call expand_decl.
7017 (store_parm_decls): Begin the statement-tree, but don't generate
7019 (finish_function): Tie off the statement-tree. Call c_expand_body
7021 (c_expand_body): New function.
7022 (push_c_function_context): Save more information.
7023 (pop_c_function_contxt): Likewise.
7024 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
7025 (lang_mark_tree): Mark it.
7026 (current_stmt_tree): Adjust.
7027 (current_scope_stmt_stack): New function.
7029 (set_current_name_declared): Likewise.
7030 (c_begin_compound_stmt): Define.
7031 (c_expand_decl_stmt): Likewise.
7032 * c-lang.c: Include rtl.h and expr.h.
7033 (lang_init): Set more language-specific hooks.
7034 * c-lex.c: Include expr.h.
7035 * c-parse.in: Changes throughout to add statements to the
7036 statement-tree, rather than generating RTL after every statement.
7037 * c-semantics.c (lang_expand_decl_stmt): Define.
7038 (add_decl_stmt): New function.
7039 (add_scope_stmt): Likewise.
7040 (finish_stmt_tree): Tweak.
7041 (genrtl_expr_stmt): Likewise.
7042 (genrtl_decl_stmt): Handle local labels, and call
7043 lang_expand_decl_stmt if required.
7044 (genrtl_for_stmt): Fix line-number handling.
7045 (genrtl_case_label): Handle cleanups.
7046 (genrtl_asm_stmt): Don't call combine_strings.
7047 (genrtl_compound_stmt): Simplify.
7048 (expand_stmt): Handle SCOPE_STMTs.
7049 * c-tree.h (struct lang_decl): New structure.
7050 (C_DECLARED_LABEL_FLAG): Remove.
7051 (c_begin_compound_stmt): Declare.
7052 (c_expand_decl_stmt): Likewise.
7053 (c_expand_start_case): Rename to c_start_case.
7054 (c_finish_case): New function.
7055 * c-typeck.c (start_init): Tweak setting of
7056 constructor_incremental.
7057 (c_expand_asm_operands): Tweak error-handling. Add to the
7059 (c_expand_return): Add to the statement-tree.
7060 (c_expand_start_case): Rename to ...
7061 (c_start_case): ... this.
7062 (struct c_switch): New type.
7063 (switch_stack): New variable.
7064 (do_case): Simplify.
7065 (c_finish_case): New function.
7066 * dependence.c: Include expr.h.
7067 (enum dependence_type): Change spelling of enumerals.
7068 (check_node_dependence): Adjust.
7069 * expr.h (lang_safe_from_p): Declare.
7070 (safe_from_p): Likewise.
7071 * expr.c (lang_safe_from_p): New variable.
7072 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
7073 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
7074 * toplev.c (rest_of_decl_compilation): Robustify.
7075 * tree.c (contains_placeholder_p): Likewise.
7076 * Makefile.in: Update dependencies.
7077 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
7078 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
7079 (objc_expand_function_end): New function.
7080 (finish_method_def): Use it.
7081 (init_objc): Initialize more language-specific hooks.
7082 * objc/Make-lang.in: Update dependencies.
7084 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
7086 * configure.in: Define macros that affect features before
7087 testing for features. Don't define _XOPEN_SOURCE.
7088 * configure: Regenerated.
7089 * config.in: Regenerated.
7091 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
7093 * rtlanal.c (rtx_varies_p): Volatile asms vary.
7094 (rtx_unstable_p): Restructure code. Volatile asms
7097 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7099 * function.h (no_debugging_symbols): New field.
7100 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
7101 Initialize no_debugging_symbols.
7102 (output_inline_function): Save and restore write_symbols and set from
7103 no_debugging_symbols.
7104 * toplev.c (rest_of_compilation): Call save_for_inline.
7105 * tree.h: Update comment.
7107 * stor-layout.c (place_field): Don't do anything if field or
7108 its type are ERROR_MARK.
7110 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
7112 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
7113 (read_include_file): Ensure inc->mmaped is initialized.
7115 2000-09-16 Richard Henderson <rth@cygnus.com>
7117 * cppiles.c (purge_cache): Use PTR not caddr_t.
7119 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
7121 * gcc.c: In description for %{<S}, say the option removed is -S.
7122 * invoke.texi (Spec Files): Ditto.
7124 2000-09-16 Andreas Jaeger <aj@suse.de>
7126 * configure.in: Always define _GNU_SOURCE to make interfaces
7127 visible that were hidden by only defining _GNU_SOURCE.
7128 * configure: Regenerated.
7130 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
7132 * cpplex.c (push_macro_context): Set an argument's level after
7133 calling parse_args. We could loop infinitely otherwise.
7135 2000-09-15 Tom Tromey <tromey@cygnus.com>
7137 * configure, config.in: Rebuilt.
7138 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
7140 2000-09-15 Greg McGary <greg@mcgary.org>
7142 * cppmacro.c (check_trad_stringification): Check token
7143 text pointers against limit before dereferencing.
7145 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
7147 * c-common.c (format_wanted_type): New structure.
7148 (check_format_types): New function.
7149 (check_format_info): Pass all checking of types of format
7150 arguments, including width and precision arguments, to this new
7153 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7155 * BUGS: Remove file.
7157 2000-09-15 Jakub Jelinek <jakub@redhat.com>
7159 * config/alpha/alpha.c (override_options): ev6 cache latencies
7160 from Richard Henderson. Don't allow -mmemory-latency=L0.
7162 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
7163 (TARGET_OPTIONS): Add tune=.
7164 (alpha_tune_string): Declare.
7165 * config/alpha/alpha.c (override_options): Add cpu_table.
7166 Use alpha_cpu_string first to set both alpha_cpu and target_flags
7167 and then alpha_tune_string to set alpha_cpu only.
7168 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
7169 * config/alpha/elf.h (ASM_FILE_START): Likewise.
7170 * config/alpha/osf.h (ASM_FILE_START): Likewise.
7171 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
7173 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7175 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
7177 (ix86_comparison_operator, ix86_cc_mode): Declare
7178 * i386.h (CCGC, CCGCO): New modes.
7179 (SELECT_CC_MODE): Move offline to ....
7180 * i386.c (ix86_cc_mode): .... here; use new modes.
7181 (ix86_comparison_operator): New.
7182 (fcmov_comparison_operator): Ensure proper mode.
7183 (put_condition_mode): More sanity checking.
7184 (ix86_match_ccmode): Handle new modes.
7185 (ix86_expand_fp_compare): GEU requires CCmode.
7186 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
7188 * i386.md (cmp?i_ccz_1): Remove
7189 (cmp?i_ccno_1): Use ix86_match_ccmode.
7190 (cmp?i_minus_1): New.
7191 (cmpsi_1): New expander.
7192 (cmpqi_ext_1): Use match_ccmode
7193 (cmpqi_ext_3): New expander.
7194 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
7195 (cmpqi_ext_4): Use match_ccmode.
7196 (add?i_?): Use match_ccmode.
7198 (test?i_ccz_1): Remove
7200 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
7201 (testqi_ext_0): Use ix86_match_ccmode.
7202 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
7203 (xorqi_cc_ext_1): New expander.
7204 (shift patterns): Use CCGOCmode for all shifts except for sar.
7205 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
7206 (setcc_3, jcc_3, miv?icc_c): Remove.
7208 2000-09-15 Will Cohen <wcohen@redhat.com>
7210 * dwarf2out.c (add_const_value_attribute): Changed array into a
7211 xmalloced object, so it exists after function exit.
7212 (free_AT): Added case for dw_val_class_float to free allocated
7215 2000-09-15 Kazu Hirata <kazu@hxi.com>
7217 * config/i386/i386.md: Fix a comment typo.
7218 * gcc.c: Fix formatting.
7220 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7222 * optabs.c (emit_libcall_block): If target is a user variable,
7223 copy to a temporary first.
7224 * expr.c (convert_move): When generating a libcall, make a libcall
7226 * calls.c (emit_library_call_value_1): Don't create a libcall
7227 sequence here; our caller will in most cases do it.
7229 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
7231 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
7232 * sh.md (reload_outsf): Generate recognizable patterns for
7234 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
7235 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
7236 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
7237 truncdfsf2_i4): Change not to use explicit references to fpul.
7238 (floatsisf2_ie): Remove USE of fpscr.
7239 (floatsisf2): Change default expansion to match this.
7240 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
7243 2000-09-15 Richard Henderson <rth@cygnus.com>
7245 * expmed.c (store_bit_field): Consider naturally aligned
7246 memory for direct reference.
7248 2000-09-15 Richard Henderson <rth@cygnus.com>
7250 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
7251 AND addresses into alias set 0.
7252 (alpha_expand_unaligned_store): Likewise.
7253 (alpha_expand_unaligned_load_words): Likewise.
7254 (alpha_expand_unaligned_store_words): Likewise.
7256 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
7258 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
7259 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
7261 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
7262 rsize of UNITS_PER_WORD.
7264 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
7266 * cpplex.c (ON_REST_ARG): Correct the test.
7267 (maybe_paste_with_next): Duplicate a token that fail pasting,
7268 and clear its PASTE_LEFT flag, so that nested pasting attempts
7271 2000-09-14 Richard Henderson <rth@cygnus.com>
7273 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
7274 * cse.c (rtx_cost): Likewise.
7275 * optabls.c (expand_binop): Likewise.
7276 (expand_twoval_binop, prepare_cmp_insn): Likewise.
7277 * regclass.c (copy_cost): Likewise.
7278 * reload1.c (reload_cse_move2add): Likewise.
7280 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
7282 * c-parse.in (reswords): Add _Complex.
7284 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7286 * gcc.1: Delete documentation for -undef preprocessor option.
7288 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
7290 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7291 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
7292 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7293 Remove undefine before config/elfos.h.
7294 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
7296 2000-09-14 Kazu Hirata <kazu@hxi.com>
7298 * invoke.texi (H8/300 Options): Add -ms2600.
7299 * config/h8300.c (h8300_init_once): Output an error when -ms2600
7300 is used without -ms.
7301 * config/h8300.h (TARGET_MAC): New.
7302 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
7303 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
7304 machine other than H8/S2600.
7305 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
7308 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
7310 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
7311 pseudos that refer to the original pseudos, not only to their
7312 equivalent memory locations.
7314 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7316 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
7317 when making new MEM.
7319 * Makefile.in (LN): Remove duplicate definition.
7321 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7323 From Joern Rennecke:
7324 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
7325 on an insn and function_invariant_p returns nonzero for the source,
7326 add a REG_EQUAL note.
7328 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
7330 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
7331 conflict with frame_pointer_rtx.
7333 2000-09-13 Kazu Hirata <kazu@hxi.com>
7335 * loop.c: Fix formatting.
7338 2000-09-13 Richard Henderson <rth@cygnus.com>
7340 * config/ia64/ia64.md (divsf3): New.
7341 (divsf3_internal_lat, divsf3_internal_thr): New.
7342 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
7343 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
7344 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
7345 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
7346 (nmadddf4_alts, nmadddf4_trunc): New.
7347 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
7348 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
7349 (multf3_truncsf_alts, multf3_truncdf_alts): New.
7350 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
7351 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
7352 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
7353 (nmaddtf4_truncdf_alts): New.
7354 (recip_approx): Don't predicate.
7356 2000-09-13 Richard Henderson <rth@cygnus.com>
7358 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
7360 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7362 * flags.h (flag_dump_rtl_in_asm): Declare.
7363 * toplev.c (flag_dump_rtl_in_asm): Define.
7364 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
7365 if -dP is specified.
7366 * rtl.h (print_rtx_head): Declare.
7367 * print-rtl.c (print_rtx_head): Define.
7368 (print_rtx): Print the string pointed to by print_rtx_head
7369 at beginning of each dump line.
7370 (print_rtl): Likewise.
7371 (print_rtl_single): Likewise.
7372 * final.c (final_scan_insn): Dump the insn in the assembly
7374 * gcc.1: Document -dP option.
7375 * invoke.texi (Debugging Options): Likewise.
7377 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7379 * md.texi (Machine Constraints): Document the 68HC11 constraints.
7380 * install.texi (Configurations): Document the 68HC11&68HC12 port.
7381 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
7383 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
7385 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
7386 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
7387 (*clrstrqi): Likewise.
7388 (xorhi3,xorsi3,absqi2): Likewise.
7389 (one_cmplhi2,one_cmplsi2): Likewise.
7390 (addsi3): Two stupid constraint alternatives removed.
7391 (extendhisi2): Use `movw' for enhanced avr cores.
7392 (zero_extendhisi2): Likewise.
7394 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
7396 * alias.c (find_base_term): Use frame_pointer_rtx
7397 when handling an ADDRESSOF.
7399 * cse.c (canon_hash): Handle USE of BLKmode memory.
7400 (cse_insn): Outgoing arguments for a libcall don't
7401 affect any recorded expressions.
7403 2000-09-12 Tom Tromey <tromey@cygnus.com>
7405 * configure, config.in: Rebuilt.
7406 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
7408 2000-09-12 Jakub Jelinek <jakub@redhat.com>
7410 * c-lex.c (lex_string): Use charwidth to compute bytemask.
7411 * expr.c (expand_expr): Don't optimize constant array references
7412 initialized with wide string constants.
7414 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7416 * loop.c (note_set_pseudo_multiple_uses): Correct.
7418 2000-09-12 Jim Wilson <wilson@cygnus.com>
7420 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
7421 else block, and X has side-effects, then fail.
7423 2000-09-12 Greg McGary <greg@mcgary.org>
7425 * config/mips/mips-protos.h
7426 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
7427 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
7428 (PREDICATE_CODES): Add "trap_cmp_op".
7429 * config/mips/mips.c
7430 (trap_cmp_op, mips_gen_conditional_trap): New functions.
7431 * config/mips/mips.md (trap, conditional_trap): New patterns.
7433 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7435 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
7438 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7440 * builtins.c (built_in_decls): New array.
7441 (expand_builtin_fputs): New function.
7442 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
7444 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
7446 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
7448 * tree.h (built_in_decls): New array.
7450 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
7452 * convex.md: Use "+" instead of "=" for outputs wrapped in a
7454 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
7456 2000-09-12 Kazu Hirata <kazu@hxi.com>
7458 * haifa-sched.c: Fix formatting.
7460 * genattrtab.c: Fix formatting.
7462 * unroll.c: Fix formatting.
7464 2000-09-12 Bruce Korb <bkorb@gnu.org>
7466 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
7467 remove obsolete code
7468 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
7469 * fixinc/fixincl.tpl: make non-exported arrays static scope
7470 * fixinc/fixincl.x: regenerate
7471 * fixinc/fixlib.h: Use PARAMS, not _P_
7472 * fixinc/fixtests.c: make a type for the test proc & use it
7473 * fixinc/server.h: Use PARAMS, not _P_
7475 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7477 * c-typeck.c (process_init_element): Avoid union init warnings on
7478 floating point zero. Don't crash on unions containing structs.
7480 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
7482 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
7483 general_movsrc_operand, and remove CONST_INT from
7484 general_movdst_operand.
7486 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
7488 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
7489 if a reference to non-fixed hardreg is seen. Otherwise, count hard
7490 regs with a higher cost.
7491 (preferrable): Deal with cases where either cost or regcost is
7493 (cse_insn): Use MAX_COST rather than 10000. Always initialize
7495 (COSTS_N_INSNS): Move definition...
7497 (MAX_COST): New macro.
7498 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
7501 2000-09-11 Mark Mitchell <mark@codesourcery.com>
7503 * c-common.h (genrtl_clear_out_block): Remove.
7504 * c-semantics.c (genrtl_clear_out_block): Remove.
7505 (genrtl_while_stmt): Don't call it.
7506 (genrtl_for_stmt): Likewise.
7508 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7510 * cppfiles.c: Move all default-#defines to top of file.
7511 (open_include_file): Replace by lookup_include_file.
7512 (read_with_read, read_file): Merged into read_include_file.
7513 (stack_include_file, purge_cache): New functions.
7514 (close_cached_fd): Delete.
7515 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
7516 Cache the in-memory buffer, not the file descriptor.
7518 * cpphash.h (struct include_file): Add buffer, st, refcnt,
7520 (xcnew): New utility macro.
7521 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
7522 * cpplib.h (struct cpp_buffer): Remove mapped field.
7524 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
7526 * cpplex.c (parse_string): Accept backslash space newline as a
7528 (lex_line): Likewise.
7529 (_cpp_get_token): Remove hard limit on macro nesting.
7531 2000-09-12 Philipp Thomas <pthomas@suse.de>
7533 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
7534 * configure: Rebuilt.
7536 2000-09-13 Michael Hayes <mhayes@cygnus.com>
7538 * flow.c (split_block): Fix update of registers live at
7541 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7543 * i386.md (add?i_3, add?i_5): New.
7544 (add?i_4): Rename from add?i_3; Fix compare pattern.
7545 (sub?i_3, xor?i_3, ior?i_3): New.
7547 * genrecog.c (write_tree): Output code to clear insn_extract cache.
7548 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
7549 instead of extract_insn and extract_constrain_insn_cache instead of
7550 extract_insn and constrain_operands.
7551 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
7553 (extract_insn): Clear which_alternative.
7554 (constrain_operands): Set which_alternative to -1 when failed.
7555 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
7558 2000-09-11 Matthew Hiller <hiller@redhat.com>
7560 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
7561 on operand 0 to '+'.
7562 (movstricthi): Likewise.
7564 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7566 * loop.h (LOOP_IVS): New macro.
7567 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
7568 (struct loop_ivs): New.
7569 (struct loop_info): Add ivs field.
7570 (reg_iv_type, reg_iv_info): Delete prototype.
7571 (reg_biv_class, loop_iv_list): Likewise.
7572 * loop.c (record_biv, find_life_end): Pass loop argument.
7573 (reg_iv_type): Remove global array and use
7574 field in loop_regs structure within loop_ivs structure.
7575 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
7576 (first_increment_giv, last_increment_giv): Use entry in
7578 (record_initial): Pass ivs pointer.
7579 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
7581 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7583 * loop.h (LOOP_REGS): New macro.
7584 (struct loop_regs): New.
7585 (struct loop_info): Add regs field.
7586 * loop.c (set_in_loop): Remove global array and store
7587 in loop_regs structure as part of loop_info structure.
7588 (n_times_set, may_not_optimize): Likewise.
7589 (reg_single_usage, moved_once): Likewise.
7590 (count_one_set): Add regs argument.
7591 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
7592 (set_pseudo_multiple_uses): Pass regs pointer.
7594 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7596 * unroll.c (iteration_info): Subsume into loop_iterations.
7597 * loop.h (loop_info): New field iv.
7599 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7601 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
7602 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
7603 (flow_loops_update): New prototype.
7604 (flow_loops_find): Add flags to prototype.
7605 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
7606 * flow.c (flow_loop_pre_header_scan): New.
7607 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
7608 (flow_loop_free): Free pre-header root and trace and exit dominators.
7609 (flow_loops_find): New argument flags.
7610 (flow_loops_update): New function.
7611 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
7613 2000-09-12 Michael Hayes <mhayes@cygnus.com>
7615 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
7616 * flow.c (split_block, update_bb_for_insn): New functions.
7618 2000-09-11 Richard Henderson <rth@cygnus.com>
7620 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
7622 2000-09-11 Richard Henderson <rth@cygnus.com>
7624 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
7625 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
7626 (ia64_override_options): Prevent optimizing division for both
7627 latency and throughput.
7628 (rtx_needs_barrier): Handle frcpa.
7629 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
7630 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
7631 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
7632 (TARGET_SWITCHES): Add -minline-divide-min-latency and
7633 -minline-divide-max-throughput.
7634 (PREDICATE_CODES): Update.
7635 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
7636 (zero_extendsidi2): Likewise. Fix typo in f case insn.
7637 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
7638 (extendsftf2): Likewise.
7639 (extenddftf2): Likewise.
7640 (fix_trunctfdi2_alts): New.
7641 (fixuns_trunctfdi2_alts): New.
7642 (madd*4): Rename from madd*3.
7643 (divsi3, modsi3, udivsi3, umodsi3): New.
7644 (divsi3_internal): New.
7645 (divdi3, moddi3, udivdi3, umoddi3): New.
7646 (divdi3_internal_lat, divdi3_internal_thr): New.
7647 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
7648 (recip_approx): New.
7650 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
7652 * print-rtl.c (debug_call_placeholder_verbose): New variable.
7653 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
7655 * integrate.c (copy_rtx_and_substitute): Don't share
7656 LEAF_REG_REMAPpable registers with the inlined function. Don't
7657 share the function value with calling sequences.
7659 2000-09-11 Jakub Jelinek <jakub@redhat.com>
7661 * c-decl.c (do_case): Fix a typo.
7663 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
7664 to a if the comparison is floating mode and not -ffast-math.
7665 * simplify-rtx.c (simplify_ternary_operation): Likewise.
7667 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7669 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
7670 gen_ic_invalidate_line.
7672 2000-09-11 Philip Blundell <pb@futuretv.com>
7674 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
7676 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
7678 * install.texi (LANGUAGES): Update to include new languages.
7681 2000-09-11 DJ Delorie <dj@redhat.com>
7683 * gcc.c (main): Don't warn about unused -B prefixes
7684 (unused_prefix_warnings): remove
7686 2000-09-11 Kazu Hirata <kazu@hxi.com>
7688 * final.c: Fix formatting.
7690 * integrate.c: Fix formatting.
7692 2000-09-11 Geoff Keating <geoffk@cygnus.com>
7694 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
7696 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
7698 * reload.c (regno_clobbered_p): Fix thinko in previous change.
7700 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7702 * gcc.1: Document 68hc11 specific options.
7704 2000-09-10 Geoff Keating <geoffk@cygnus.com>
7706 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
7707 (TARGET_LONG_DOUBLE_128): Define.
7708 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
7709 (LONG_DOUBLE_TYPE_SIZE): Redefine.
7710 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7711 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
7712 of __LONG_DOUBLE_128__.
7713 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
7715 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
7716 (CPP_SYSV_DEFAULT_SPEC): Define.
7717 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
7718 (INIT_TARGET_OPTABS): Define.
7720 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
7721 (RS6000_UITRUNC): Likewise.
7722 (INIT_TARGET_OPTABS): New macro.
7723 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
7724 (trunc_defined): Delete.
7725 (output_prolog): Don't output .extern definitions for fp->int
7726 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
7727 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
7728 (trunc_defined): Delete.
7729 (RS6000_ITRUNC): Moved to aix.h.
7730 (RS6000_UITRUNC): Likewise.
7731 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
7732 only emit a libcall.
7733 (fixuns_truncdfsi2): Delete.
7734 (trunc_call): Delete.
7735 (trunc_call_rtl): Delete.
7737 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7739 * varasm.c (make_decl_rtl): Restore leading star on
7740 DECL_ASSEMBLER_NAME set for decls with an asmspec.
7742 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7744 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
7745 won't give a spurious error for '#pragma pack()'. Simplify
7746 control flow for readability. 'reset' action is not necessary.
7748 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7750 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
7751 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
7752 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
7753 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
7755 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
7756 profile.c, sdbout.c, tradcif.y, tree.c:
7757 Include defaults.h if not already included.
7758 Don't define the above macros.
7760 * Makefile.in: Update dependencies.
7762 2000-09-10 Mark Mitchell <mark@codesourcery.com>
7764 * c-common.h (add_stmt): Change prototype.
7765 (RECHAIN_STMTS): New macro.
7766 (CASE_LABEL_DECL): Likewise.
7767 (genrtl_case_label): Change prototype.
7768 (c_expand_start_case): Remove prototype.
7769 (build_case_label): Change prototype.
7770 (decl_constant_value): Declare.
7771 * c-common.c (check_case_value): Handle C++'s extensions to C
7773 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
7775 * c-parse.in (stmt): Adjust handling of return statements and case
7777 * c-semantics.c (add_stmt): Return the new statement.
7778 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
7779 returned expression. Directly generate RTL, rather than calling
7781 (genrtl_switch_stmt): Don't call c_expand_start_case.
7782 (build_case_label): Take the LABEL_DECL as input, too.
7783 (genrtl_case_label): Just call add_case_node.
7784 (expand_stmt): Adjust calls to genrtl_return_stmt and
7786 * c-tree.h (c_expand_start_case): Declare.
7787 * c-typeck.c (decl_constant_value): Give it external linkage.
7788 (c_expand_return): Don't call expand_return or expand_null_return;
7789 use genrtl_return_stmt instead.
7790 * stmt.c (struct nesting): Remove num_ranges field.
7791 (add_case_node): Give it external linkage.
7792 (expand_start_case): Don't set num_ranges.
7793 (expand_start_case_dummy): Don't clear it.
7794 (pushcase): Rely on add_case_node to handle `default' labels.
7795 (add_case_node): Handle `default' labels.
7796 * tree.c (tree_int_cst_compare): New function.
7797 * tree.h (tree_int_cst_compare): Declare.
7798 (add_case_node): Likewise.
7800 2000-09-10 Richard Henderson <rth@cygnus.com>
7802 * c-parse.in: Revert last change.
7803 (init_reswords): Do not enter disabled keywords into the ridpointers
7804 table, modulo objc weirdness.
7805 (_yylex): Return the canonical spelling for a keyword.
7807 2000-09-10 Philip Blundell <philb@gnu.org>
7809 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
7810 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
7812 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
7814 * alias.c (find_base_term): Handle ADDRESSOF.
7815 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
7817 2000-09-10 Denis Chertykov <denisc@overta.ru>
7819 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
7820 outputting templates with many lines.
7822 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7824 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
7825 to decide whether 64-bit support must be generated.
7827 2000-09-10 Richard Henderson <rth@cygnus.com>
7829 * c-parse.in (asm patterns): Fix volatile check.
7831 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7833 * cppmacro.c (check_trad_stringification): New function.
7834 (save_expansion): If -Wtraditional, warn about stringification of
7837 2000-09-11 Michael Hayes <mhayes@cygnus.com>
7839 * loop.h (struct loop_mem_info): Move from loop.c
7840 (struct loop_info): Add fields store_mems, mems, mems_idx,
7841 mems_allocated, unknown_address_altered,
7842 unknown_constant_address_altered, num_mem_sets, and
7843 first_loop_store_insn.
7845 * loop.c (loop_store_mems): Replace with field in loop_info struct.
7846 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
7847 (unknown_address_altered, unknown_constant_address_altered): Likewise.
7848 (num_mem_sets): Likewise.
7849 (replace_loop_mems, replace_loop_regs): New.
7850 (struct loop_replace_args): New.
7851 (load_mems): Use replace_loop_mems.
7852 (try_copy_prop): Use replace_loop_regs.
7853 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
7855 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7857 * configure.in: Recognize m6811-elf and m6812-elf.
7858 * configure: Regenerate.
7860 2000-09-09 Geoff Keating <geoffk@cygnus.com>
7862 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
7865 2000-09-10 Michael Hayes <mhayes@cygnus.com>
7867 * loop.c (struct movables): New.
7868 (num_movables): Move into struct movables.
7869 (the_movables): Change type to struct movables.
7870 (ignore_some_movables): Change struct movable arg to struct movables.
7871 (force_movables, combine_movables, regs_match_p): Likewise.
7872 (rtx_equal_for_loop_p, move_movables): Likewise.
7873 (scan_loop): Change movables to be of type struct movables.
7874 Replace last_movable with field in movables structure.
7876 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
7878 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
7879 (init_pragma): Avoid warning if pfile happens to be unused.
7880 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
7881 define init_pragma to nothing. Always prototype
7882 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
7884 * c-lex.c (process_directive): Always call dispatch_pragma.
7885 Initialize entering_c_header to 0.
7887 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7889 * config/m68hc11/m68hc11.md: New file, machine description for
7891 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
7892 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
7893 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
7894 * config/m68hc11/m68hc11-protos.h: New file.
7895 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
7896 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
7897 * config/m68hc11/xm-m68hc11.h: New file, target defs.
7898 * config/m68hc11/larith.asm: New file, libgcc routines.
7900 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7902 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
7903 (FPBIT_FUNCS): Add _usi_to_sf.
7904 * config/fp-bit.c (usi_to_float): New function.
7905 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
7906 (usi_to_float): Add appropriate #define.
7908 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7910 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
7912 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
7913 * i386.md (attr "type"): Add sse and mmx types.
7914 (attr "memory"): Handle them without a crash.
7915 (movsi_1, movdi_2): Allow MMX regs.
7916 (movdi splits): Don't split moves involving MMX regs.
7917 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
7918 (movv4sf_internal, movv4si_internal, movv8qi_internal,
7919 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
7920 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
7921 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
7922 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
7923 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
7924 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
7925 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
7926 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
7927 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
7928 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7929 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7930 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
7931 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
7932 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7933 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7934 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
7935 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
7936 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
7937 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
7938 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
7939 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7940 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7941 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
7942 mmx_clrdi): New patterns.
7944 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
7946 * arm.c: Don't include tm.h directly.
7948 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
7950 * recog.c (validate_replace_rtx_1): Fix confusion about equality
7951 testing; simplify subregs of constants and nested subregs.
7953 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
7955 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
7957 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7959 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
7961 * rtl.texi (description of USE): Add note about possible pitfalls
7963 From Richard Henderson:
7964 * reload1.c (choose_reload_regs): Compute need_mode properly.
7966 2000-09-07 Richard Henderson <rth@cygnus.com>
7968 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
7969 (__modsi3, __umodsi3): Likewise.
7970 (__udivsi3): Likewise. Normalize the TFmode values.
7972 2000-09-07 Geoff Keating <geoffk@cygnus.com>
7974 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
7976 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
7979 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7981 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
7982 (cmpeqdi_t): Add output pattern.
7983 (cmpeqdi_t+1): Don't split when not optimizing.
7984 Restore proper splitting operation.
7986 2000-09-07 Richard Henderson <rth@cygnus.com>
7988 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
7989 do not call dispatch_pragma.
7991 2000-09-07 Jim Wilson <wilson@cygnus.com>
7993 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
7994 to CLASS_CANNOT_CHANGE_MODE.
7995 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
7996 mode classes are different.
7998 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8000 * cpplib.h (struct cpp_options): Add user_label_prefix member,
8001 left out of commit which removed cppulp.c.
8003 2000-09-07 Richard Henderson <rth@cygnus.com>
8005 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
8006 after switch for CASE_DROPS_THROUGH.
8008 2000-09-07 Richard Henderson <rth@cygnus.com>
8010 * loop.c (strength_reduce): Call check_ext_dependant_givs.
8011 Properly extend the biv initial value for the giv.
8012 (record_biv): Zero ext_dependant.
8013 (record_giv): New argument ext_val. Update all callers.
8014 (general_induction_var): Likewise.
8015 (consec_sets_giv): Likewise.
8016 (simplify_giv_expr): Likewise. Fill in ext_val if we find
8017 a sign-extend, zero-extend, or truncate.
8018 (combine_givs_p): Make sure modes are compatible.
8019 (check_ext_dependant_givs): New.
8020 (extend_value_for_giv): New.
8021 * loop.h (struct induction): Add ext_dependant.
8022 * unroll.c (iteration_info): Extend the biv initial value for the giv.
8023 (find_splittable_givs): Likewise.
8024 (final_giv_value): Likewise.
8026 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
8028 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
8029 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
8030 definitions from cpplib.h.
8031 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
8033 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
8034 documentation for REGISTER_TARGET_PRAGMAS.
8036 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
8037 default-pragma callback to implement -Wunknown-pragmas if
8039 * c-parse.in: Move all includes to top of file.
8040 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
8042 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
8044 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
8046 * arm.h, arm-protos.h, arm.c,
8047 c4x.h, c4x-protos.h, c4x.c,
8048 h8300.h, h8300-protos.h, h8300.c,
8049 i370.h, i370-protos.h, i370.c,
8050 i960.h, i960-protos.h, i960.c,
8051 sh.h, sh-protos.h, sh.c,
8052 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
8053 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
8055 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
8056 multiple include guard.
8057 * i370.md (untyped_call): Use GEN_CALL.
8058 (umodsi3): Remove unused variable.
8059 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
8060 * v850.c (output_move_single, output_move_double): Constify
8062 (print_operand): Constify a char *.
8063 * v850.h (struct small_memory_info): Constify name member.
8065 2000-09-07 Kazu Hirata <kazu@hxi.com>
8067 * config/h8300.h: Fix comment typos.
8068 * config/h8300/h8300.md: Likewise.
8069 * config/h8300/lib1funcs.asm: Likewise.
8071 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
8073 * Makefile.in: Remove references to cppulp.{c,o}.
8074 * cppinit.c (initialize_builtins, cpp_start_read,
8075 cpp_handle_option): Update to use cpp_options structure.
8078 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
8080 * c-common.c (time_char_table): Allow %#b and %#h.
8082 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8084 * reorg.c (find_end_label): If the basic block reorder pass moves the
8085 return insn to some other place try to locate it again and put our
8086 end_of_function_label there.
8087 * reorg.c (relax_delay_slots): Check if find_end_label created a
8088 new label that invalidates the current optimazation.
8090 2000-09-07 Catherine Moore <clm@redhat.com>
8092 * unroll.c (unroll_loop): Check for unconditional jumps
8093 to loop continuation. Delete if n_iterations is 1.
8094 (ujump_to_loop_cont): New routine.
8096 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
8098 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
8100 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
8101 to handle multiword modes correctly. All callers and the declaration
8104 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8106 * c-common.h (prep_stmt): Declare.
8107 (lang_expand_stmt): Likewise.
8108 * c-decl.c (lang_expand_stmt): Remove.
8109 * c-semantics.c (lang_expand_stmt): Define.
8110 (prep_stmt): New function.
8111 (expand_stmt): Handle common statement types here.
8113 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
8115 * configure.in (sh-*-linux*): Added.
8116 * configure: Rebuilt.
8117 * config/sh/t-linux: New file.
8118 * config/sh/sh.h (USERMODE_BIT): Define.
8119 (TARGET_USERMODE): Likewise.
8120 (TARGET_SWITCHES): New switches for the bits above.
8121 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
8122 * config/sh/linux.h: New file.
8123 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
8124 underscore on linux.
8125 (L_sdivsi3, L_udivsi3): Define for linux.
8126 (L_ic_invalidate): Define.
8127 * invoke.texi (SH Options): Document -musermode.
8129 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
8131 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
8132 CSE unless generating PIC.
8134 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
8137 2000-09-06 H.J. Lu (hjl@gnu.org)
8139 * Makefile.in (clean_s1): Depend on stage_b.
8140 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
8141 stage2. They are used for "make compare".
8143 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8145 Move statement-tree facilities from C++ to C front-end.
8146 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
8147 (void_zero_node): New macro.
8148 (struct stmt_tree_s): New type.
8149 (stmt_tree): New typedef.
8150 (struct language_function): New type.
8151 (last_tree): New macro.
8152 (last_expr_type): Likewise.
8153 (walk_tree_fn): New typedef.
8154 (current_stmt_tree): New function.
8155 (begin_stmt_tree): Likewise.
8156 (add_stmt): Likewise.
8157 (finish_stmt_tree): Likewise.
8158 (statement_code_p): Likewise.
8159 (lang_statement_code_p): New variable.
8160 (walk_stmt_tree): New function.
8161 (STMT_IS_FULL_EXPR_P): New macro.
8162 * c-common.c (lang_statement_code_p): New variable.
8163 (c_common_nodes_and_builtins): Initialize void_zero_node.
8164 (statement_code_p): New function.
8165 (walk_stmt_tree): Likewise.
8166 * c-decl.c (language_function): Rename to ...
8167 (c_language_function): ... this. Include language_function.
8168 (push_c_function_context): Adjust accordingly.
8169 (pop_c_function_context): Likewise.
8170 (mark_c_function_context): Likewise.
8171 (current_stmt_tree): Define.
8172 * c-semantics.c (begin_stmt_tree): New function.
8173 (add_stmt): Likewise.
8174 (prune_unused_decls): Likewise.
8175 (finish_stmt_tree): Likewise.
8177 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8179 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
8181 2000-09-06 Kazu Hirata <kazu@hxi.com>
8183 * calls.c: Fix formatting.
8185 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
8187 * config/i386/i386.h (ADDRESS_COST): Fix typo.
8189 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8191 Integrated preprocessor.
8193 * Makefile.in: Remove all references to c-parse.gperf,
8194 c-gperf.h, and c-parse.h. Remove -d from yacc command line
8195 generating c-parse.c. Update dependencies.
8196 * c-parse.gperf, c-gperf.h: Delete.
8198 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
8199 yy_lim, or yy_get_token. Don't define get_directive_line if
8201 * c-common.h: Add multiple include guard. Define RID values
8202 for every keyword in C, C++, and Objective C. Put all the
8204 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
8205 * c-decl.c (c_decode_option): Handle -lang-objc here.
8206 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
8207 (grokdeclarator): Adjust for new RID scheme.
8208 (extract_interface_info): New stub.
8209 * c-lang.c: Don't declare yy_cur or parse_options.
8210 (lang_init_options): Call cpp_init. Don't call
8212 (lang_init): Don't call check_newline if USE_CPPLIB.
8214 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
8215 Elide lots of unnecessary code if USE_CPPLIB. Delete code
8216 rendered unnecessary by new architecture. Move routines not
8217 shared with C++ to c-parse.in. Maintain a local idea of the
8218 line number. Handle C++ as well as C.
8219 [USE_CPPLIB]: Declare and register callbacks for #ident and
8220 for entering/leaving files.
8221 (init_c_lex, c_lex): Are now the entry points to this file.
8222 (check_newline): Break out directive handling to
8224 (read_ucs, is_extended_char, utf8_extend_token): Moved here
8226 (readescape, parse_float): Overhaul.
8227 (lex_number, lex_string, lex_charconst): Break out of c_lex
8229 (get_fileinfo, update_header_times, dump_one_header,
8230 dump_time_statistics): New and/or moved here from C++.
8231 Support per-file data needed by C++ and per-header timing
8232 statistics (C++ only, at the moment).
8233 * c-lex.h: Update prototypes. Add multiple include guard.
8234 * c-tree.h (struct lang_identifier): Add rid_code field.
8235 (C_IS_RESERVED_WORD, C_RID_CODE): New.
8237 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
8238 reinit_parse_for_function and/or position_after_white_space.
8239 (save_filename, save_lineno): Look ahead before saving.
8240 (label -> identifier ':'): Save file and line before shifting ':'.
8241 (reservedwords): No need to call get_identifier.
8242 (init_parse, finish_parse, yyerror, yylex, yyprint,
8243 make_pointer_declarator): Are now here for C/ObjC.
8244 (rid_to_yy): Conversion table from RID constants to Yacc codes.
8246 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
8247 #pragma registry. Provide dummy implementation of that
8248 interface if !USE_CPPLIB.
8249 * c-pragma.h: Update to match.
8251 * flags.h: Add multiple include guard.
8252 (flag_detailed_statistics): Moved here from C++.
8253 * toplev.c: Define flag_detailed_statistics.
8255 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
8257 * timevar.def (TV_CPP, TV_LEX): New.
8258 * timevar.h: Add multiple include guard.
8260 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
8262 * objc/objc-act.c: Don't mention yy_cur or parse_options.
8263 Initialize cpplib properly. Force lineno to 0 after first
8264 call to check_newline. Don't handle -lang-objc here.
8265 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
8267 2000-09-06 David Edelsohn <edelsohn@gnu.org>
8269 * rs6000.md: Correct function unit definitions for cr_logical and
8271 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
8272 and use portable method for >=0 and floating point >=. Remove
8273 associated matchers.
8275 2000-09-06 Mark Mitchell <mark@codesourcery.com>
8277 * extend.texi: Mark named return value extension as deprecated.
8279 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8281 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
8284 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
8286 * toplev.c (display_help): Fix thinko in documentation.
8288 * diagnostic.h (output_buffer::indent_skip): New fields.
8289 (output_indentation): New macro.
8291 * diagnostic.c (output_indent): New function.
8292 (output_set_prefix, clear_diagnostic_info): Use.
8293 (output_emit_prefix): Predict future indentation.
8295 2000-09-06 DJ Delorie <dj@redhat.com>
8297 * Makefile.in (stage_*): add more dependencies to ensure parallel
8298 builds build correctly
8300 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
8302 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
8303 not bootstrap-lean_f.
8305 2000-09-06 Andreas Schwab <schwab@suse.de>
8307 * mklibgcc.in: Emit rule for libgcc-stage-start.
8308 * Makefile.in (stage1-start, stage2-start, stage3-start,
8309 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
8311 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
8313 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
8314 (update_equiv_regs): Likewise, except for the mn10200 kludge.
8315 (combine_regs): Likewise.
8317 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
8318 * cse.c: Include "basic-block.h".
8319 (struct table_elt): New field REGCOST.
8320 (CHEAP_REG): Delete macro.
8321 (COST): Return 0 for REGs.
8322 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
8323 (notreg_cost): Return 0 for appropriate SUBREGs.
8324 (COSTS_N_INSNS): Return N * 2.
8325 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
8327 (CHEAPER): Use new function preferrable.
8328 (insert): Initialize REGCOST member.
8329 (find_best_addr): Use approx_reg_cost for estimation of register
8331 (cse_insn): Likewise.
8332 * loop.c (iv_add_mult_cost): New function.
8333 (add_cost, shift_cost, mult_cost): Delete variables.
8334 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
8335 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
8336 Make code that detects autoinc opportunities slightly less optimistic.
8337 (simplify_giv_expr): If expression contains other reg that is also a
8338 giv, only increment benefit if this is the only use of that reg.
8339 (consec_sets_giv): Take that change into account.
8340 (combine_givs): Slightly more verbose output.
8342 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
8343 not the cost of an equivalent shift.
8344 * sh-protos.h (addsubcosts): Declare.
8345 * sh.c (addsubcosts): New function.
8346 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
8347 (RTX_COSTS): Tweak. Use addsubcosts.
8348 (ADDRESS_COST): Return higher cost for reg+reg addressing.
8350 2000-09-06 Geoff Keating <geoffk@cygnus.com>
8352 * config/rs6000/rs6000.c (validate_condition_mode): New function.
8353 (branch_comparison_operator): Call validate_condition_mode to
8354 abort rather than returning 0.
8355 (branch_positive_comparison_operator): New function.
8356 (scc_comparison_operator): Call validate_condition_mode to abort
8357 rather than returning 0.
8358 (ccr_bit): Call validate_condition_mode. Update for
8360 (print_operand): Delete %C modifier. Update %E case
8361 to use EQ bit not SO bit.
8362 (rs6000_reverse_condition): New function.
8363 (rs6000_generate_compare): New function.
8364 (rs6000_emit_sCOND): New function.
8365 (rs6000_emit_cbranch): New function.
8366 (output_cbranch): The length of a long branch insn is
8367 now only 8 bytes. Add validate_condition_mode. Use
8368 rs6000_reverse_condition. Remove cror generation.
8370 * config/rs6000/rs6000.h: Update comments.
8371 (PREDICATE_CODES): Add new predicate. Update codes used
8372 by branch_comparison_operator and scc_comparison_operator.
8373 * config/rs6000/rs6000-protos.h: Add prototypes for
8374 new external functions.
8375 * config/rs6000/rs6000.md: Add new scheduling parameters
8376 for cr_logical instructions. Change length of branch
8378 (bCOND patterns): Call rs6000_emit_cbranch.
8379 (sCOND patterns): Call rs6000_emit_sCOND.
8380 (branch patterns): Change lengths to 4.
8381 (cr logical patterns): New.
8383 2000-09-06 Richard Henderson <rth@cygnus.com>
8385 * config/i386/i386.md (call_pop): Fix test for setting
8386 current_function_uses_pic_offset_table.
8387 (call, call_value_pop, call_value): Likewise.
8389 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8391 * timevar.c (timevar_add): Delete.
8392 (timevar_get): Also count time since the selected timer was
8393 last updated. Do not examine the timevar stack if the
8394 selected timer is standalone.
8396 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8398 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
8400 2000-09-05 Jason Merrill <jason@redhat.com>
8402 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
8403 for 'extern' arrays.
8405 2000-09-05 Richard Henderson <rth@cygnus.com>
8407 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
8408 Eliminate final copy from non-trapping case.
8409 (__divdf3, __divsf3): Likewise.
8411 2000-09-05 Richard Henderson <rth@cygnus.com>
8413 * config/ia64/ia64.md (mulhi3): Fix typo last change.
8414 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
8416 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
8418 * Makefile.in: Restructure bootstrap stages to allow clean
8419 restart after failure.
8421 2000-09-05 Richard Henderson <rth@cygnus.com>
8423 * config/ia64.md (movsi and movdi patterns): Allow moves from
8424 8-bit constants to AR registers.
8426 2000-09-05 Richard Henderson <rth@cygnus.com>
8428 * config/ia64/ia64.md (mulhi3): New.
8430 2000-09-05 Richard Henderson <rth@cygnus.com>
8432 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
8433 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
8434 Optimization Guide, minimum latency alternative.
8435 (__moddi3, __udivdi3, __umoddi3): Likewise.
8436 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
8438 2000-09-05 Bruce Korb <bkorb@gnu.org>
8440 * fixinc/fixincl.c (load_file): always read header files
8441 with sizes that are a multiple of the page size.
8442 & use libiberty's getpagesize for determining that.
8444 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
8446 * gcse.c (hash_string_1): Add prototype.
8447 * cse.c (canon_hash_string): Likewise.
8449 2000-09-04 Craig Newell <CraigN@ieee.org>
8451 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
8453 2000-09-04 Andreas Schwab <schwab@suse.de>
8455 * Makefile.in (STAGESTUFF): Remove libgcc.
8456 (stage1-start, stage2-start, stage3-start): Copy the contents of
8457 the libgcc directory explicitly.
8458 (mostlyclean): Clean libgcc.
8460 2000-09-04 Andrew Haley <aph@redhat.com>
8462 * dwarf2out.c: (stack_adjust_offset): New prototype.
8464 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
8466 * combine.c (make_extraction): Fix rtx_cost comparison to
8469 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
8471 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
8472 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
8473 Add '*' to insn pattern name.
8475 2000-09-04 Jakub Jelinek <jakub@redhat.com>
8477 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
8478 use posn - 1 to index into tokens array.
8479 (maybe_paste_with_next): Adjust caller.
8481 2000-09-03 Geoff Keating <geoffk@cygnus.com>
8483 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
8485 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
8486 (REGNO_REG_CLASS): Use symbolic register
8489 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
8491 * arm.c (final_prescan_insn): If the form of a jump insn isn't
8492 recognized, don't try to conditionally execute it.
8494 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
8496 * config/avr/avr.md ("*tablejump_lib"): New pattern.
8497 (call_value_insn): Right length claculation.
8498 (call_insn): Likewise.
8500 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
8502 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
8503 gas_output_limited_string, gas_output_ascii, output_movqi,
8504 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
8505 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
8506 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
8507 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
8508 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
8509 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
8510 Add "const" as needed to remove warnings.
8512 * config/avr/avr.c (avr_override_options, avr_init_once,
8513 function_prologue, function_epilogue, frame_pointer_required_p,
8514 class_likely_spilled_p, order_regs_for_local_alloc,
8515 avr_address_cost, avr_ret_register): Use K&R style arguments.
8516 (initial_elimination_offset, gas_output_limited_string):
8517 Remove ATTRIBUTE_UNUSED from the used arguments.
8518 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
8519 Use local variables src, dest, base to access operands[].
8520 Rename reg_dest to reg_src if that's what it is.
8521 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
8522 constants to LD_REGS if reg_was_0.
8523 (output_reload_insisf): Change arg 3 to insn length and set it.
8524 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
8525 access to 16-bit I/O register pairs.
8526 (avr_address_cost): Lower cost for the above case.
8527 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
8528 may be clobbered, also for LD_REGS.
8529 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
8532 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
8534 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
8535 macro to test_hard_reg_class function.
8536 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
8537 for loading immediate constants to LD_REGS.
8538 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
8541 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
8543 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
8544 * config/avr/libgcc.S: Lost part of the previous patch.
8546 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8548 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
8549 object before calling pthread_mutex_init.
8551 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
8553 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
8554 config/sh/crtn.asm: New files.
8555 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
8556 (crt1.o, crti.o, crtn.o): New targets.
8557 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
8559 * configure: Rebuilt.
8560 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8561 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
8562 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8563 Undefine for config/elfos.h to redefine.
8564 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
8566 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8568 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
8569 legitimize_pic_address, output_pic_addr_const): Declare.
8570 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
8571 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
8572 (TARGET_SWITCHES): New switch -mprefergot.
8573 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
8574 (PIC_OFFSET_TABLE_REGNUM): Define.
8575 (GOT_SYMBOL_TABLE): Likewise.
8576 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
8577 (ENCODE_SECTION_INFO): Define.
8578 (FINALIZE_PIC): New macros.
8579 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
8580 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
8581 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
8582 (prepare_move_operands): Call emit_pic_move or
8583 emit_pic_const_move if appropriate.
8584 (output_far_jump): For PIC, use braf and output long offset.
8585 (machine_dependent_reorg):
8586 (sh_expand_prologue): Save and initialize the PIC register.
8587 (sh_expand_epilogue): Restore it.
8588 (initial_elimination_offset): Account for it.
8589 (nonpic_symbol_mentioned_p): New function.
8590 (legitimize_pic_address): Likewise.
8591 (output_pic_addr_const): Likewise.
8592 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
8593 (call, call_value): Use them.
8594 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
8595 symPLT_label2reg): New expands.
8596 * invoke.texi (SH Options): Document -mprefergot.
8598 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
8600 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
8601 * gcse.c (hash_string_1): New function.
8602 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
8603 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
8604 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
8605 (canon_hash_string): New function.
8606 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
8607 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
8608 (fold_rtx): Use ASM_OPERANDS accessor macros.
8609 * emit-rtl.c (copy_insn_1): Likewise.
8610 * integrate.c (copy_rtx_and_substitute): Likewise.
8611 * stmt.c (expand_asm_operands): Likewise. Give an
8612 ASM_OPERANDS rtx the mode of the output reg being set from it.
8614 2000-09-01 Fred Fish <fnf@be.com>
8616 * fix-header.c (write_rbrac): Add putc and getc to list of
8617 functions to protect against prior definition as a macro.
8619 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
8621 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
8622 (c_size_type_node): Define.
8623 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
8624 * c-common.c (enum format_lengths, enum format_std_version,
8625 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
8626 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
8627 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
8628 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
8629 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
8630 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
8631 format_types): Define.
8632 (format_char_info, print_char_table, scan_char_table,
8633 time_char_table): Rearrange for new organization of information
8634 about format length modifiers and standard versions.
8635 (T_ST): Redefine to use c_size_type_node.
8636 (check_format_info): Obtain information about length modifiers and
8637 standard versions from tables. Adjust warning message wordings.
8638 Use the name from the user's program for `ll' and `hh' length
8639 modifiers in warning messages. Use more informative names for
8640 wanted types where available (for wchar_t, wint_t, size_t, signed
8641 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
8643 2000-09-01 Jim Wilson <wilson@cygnus.com>
8645 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
8646 * combine.c (distribute_notes): Handle REG_NORETURN.
8647 * rtl.c (reg_note_name): Add REG_NORETURN.
8648 * rtl.h (enum reg_note): Likewise.
8650 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
8652 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
8653 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
8654 (emit_predicate_relation_info): Handle conditional calls with
8656 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
8657 instead of ia64_file_start.
8658 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
8659 * config/ia64/ia64.md (safe_across_calls_all,
8660 save_across_calls_normal): New patterns.
8662 * loop.c (check_final_value): Check for biv use before checking for
8663 giv use. Check for both biv and giv uses. Always set last_giv_use
8664 if there is a giv use.
8666 2000-09-01 Richard Henderson <rth@cygnus.com>
8668 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
8669 (madddi3): Likewise.
8672 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8674 * expr.c (clear_storage): Don't use emit_move_insn unless
8675 either BLKmode or proper size.
8676 (store_constructor): Don't call clear_storage if REG of wrong size.
8678 * flow.c (init_propagate_block_info): Don't mark frame dead at end
8679 of function if returns wiht stack pointer depressed.
8681 2000-09-01 Andrew Haley <aph@redhat.com>
8683 * dwarf2out.c (stack_adjust_offset): New function.
8684 (dwarf2out_stack_adjust): Break out stack adjust logic into
8685 new stack_adjust_offset function. Look inside parallels and
8686 sequences for stack adjustments.
8688 2000-08-31 Jeff Law <law@cygnus.com>
8690 * arm.md: Use no_new_pseudos to determine when it is safe
8691 to create new pseudo registers.
8693 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
8694 when we can safely allocate new registers.
8696 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
8698 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
8699 so that CONCATs are not generated for ASMs.
8700 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
8701 not generating_concat_p.
8702 * function.c (pop_function_context_from): Reset
8703 generating_concat_p.
8704 (prepare_function_start): Likewise.
8705 * rtl.c (generating_concat_p): Define.
8706 * rtl.h (generating_concat_p): Declare.
8707 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
8709 2000-08-22 Philipp Thomas <pthomas@suse.de>
8710 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
8712 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
8715 2000-08-30 Greg McGary <greg@mcgary.org>
8717 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
8718 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
8719 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
8721 2000-08-30 Greg McGary <greg@mcgary.org>
8723 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
8724 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
8725 (TREE_INT_CST): New macro.
8726 * varasm.c (const_hash, compare_constant_1, record_constant_1):
8727 Use new macro TREE_INT_CST.
8729 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
8731 * contrib.texi: Add self.
8733 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
8735 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
8736 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
8739 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8741 * fixinc/gnu-regex.c: Don't define `const'.
8743 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8745 * expr.c (store_constructor): Allow variable bounds of array type.
8746 (expand_expr): Don't blow up if type is ERROR_MARK.
8747 * varasm.c (output_constructor): Don't access lower bound of array
8748 type unless need it if index is supplied (so it can be a variable
8749 if no index is supplied).
8750 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
8751 Other minor cleanups.
8753 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8755 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
8756 for compilations in stage 1 and subsequent stages, respectively.
8757 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
8758 * configure: Rebuilt.
8759 * x-vax, x-vax-gcc: Deleted.
8761 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8763 * c-common.c (declare_function_name): Use func_id_node,
8764 function_id_node, and pretty_function_id_node. Do not make
8765 __func__ visible at file scope.
8766 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
8767 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
8768 (function_id_node, pretty_function_id_node, func_id_node): New
8770 * c-decl.c (init_decl_processing): Initialize function_id_node,
8771 pretty_function_id_node, and func_id_node.
8772 (c_make_fname_decl): Correct comment.
8774 * tree.h (struct tree_identifier): Constify pointer member.
8776 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
8777 * c-pragma.h (struct weak_syms): Constify name and value members.
8778 (add_weak): Constify arguments.
8780 * calls.c (special_function_p): Constify a char *.
8781 (expand_call): Remove variable which is initialized and then
8783 * dependence.c (struct def_use, struct induction, struct subscript):
8784 Constify 'variable' member.
8785 (get_low_bound, have_induction_variable): Constify char * argument.
8786 (find_induction_variable): Add braces to avoid dangling else.
8787 (classify_dependence): Constify char * arrays.
8788 * profile.c (output_func_start_profiler): Constify a char *.
8789 * stor-layout.c (finalize_record_size): Constify a char *.
8790 * tree.c (is_attribute_p): Constify a char *.
8791 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
8793 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
8794 for comprehensibility. Do not call get_identifier if we did
8795 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
8796 create temporary string constants, not ggc_alloc_string. No
8797 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
8798 char * to hold IDENTIFIER_POINTERs.
8800 2000-08-29 Richard Henderson <rth@cygnus.com>
8802 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
8805 2000-08-29 Richard Henderson <rth@cygnus.com>
8807 * reload.c (push_secondary_reload): Allow class == reload_class
8808 if we're using a reload_in/out pattern.
8810 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
8811 the half that does not conflict with the reload register.
8812 (reload_outti): Likewise.
8814 2000-08-29 Kazu Hirata <kazu@hxi.com>
8816 * reload.c: Fix formatting.
8818 * stmt.c: Fix formatting.
8820 * gcc.c: Fix formatting.
8822 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8824 * flags.h (time_report, mem_report): New global flags.
8825 * toplev.c: Define time_report and mem_report.
8826 (f_options): Add -ftime-report and -fmem-report.
8827 (compile_file): Turn on time_report if quiet_flag is off.
8828 Call ggc_print_statistics at very end if mem_report is on.
8829 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
8831 * ggc-common.c (ggc_print_statistics): Rename to
8832 ggc_print_common_statistics; all callers changed. Scale
8833 quantities above 10K to kilobytes and above 10M to megabytes.
8834 * ggc-page.c (ggc_page_print_statistics): Rename to
8835 ggc_print_statistics. Report memory consumed by internal data
8836 structures for each allocation bucket. Scale quantities above
8837 10K to kilobytes and above 10M to megabytes.
8838 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
8839 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
8840 Define tally_leaves always.
8841 (ggc_print_statistics): New function.
8842 * ggc.h: Adjust for renamed functions.
8844 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
8846 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
8847 output_movsisf instead of which_alternative.
8849 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
8851 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
8853 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
8854 (avr_progmem_p): New prototype.
8855 (output_movsisf): Prototype declaration changed.
8856 (output_movqi): New prototype.
8857 (output_movhi): New prototype.
8858 (call_insn_operand): Likewise.
8859 (final_prescan_insn): Likewise.
8860 (avr_simplify_comparision_p): Likewise.
8861 (avr_normalize_condition): Likewise.
8862 (compare_eq_p): Likewise.
8863 (out_shift_with_cnt): Likewise.
8864 (const_int_pow2_p): Likewise.
8865 (output_reload_inhi): Prototype declaration changed.
8867 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
8868 (ldi_reg_rtx): New. rtx for r31.
8869 (avr_init_stack): Initialize as "__stack".
8870 (function_prologue): Use it.
8871 Replace all TARGET_ENHANCED with AVR_ENHANCED.
8872 (avr_mcu_name): Initialize as "avr2".
8873 (avr_enhanced_p, avr_mega_p): New variables.
8874 (mcu_types, avr_override_options): Handle all known MCU types.
8875 Also handle avr1 (only preprocess, assemble and link).
8876 (print_operand): Using of `%K' in output template removed.
8877 (out_movqi_r_mr): Optimized.
8878 (out_movhi_r_mr): Likewise.
8879 (output_movqi): New function.
8880 (output_movhi): Likewise.
8881 (out_movsi_r_mr): Optimized.
8882 (output_movsisf): Compute insn length for `adjust_insn_length'
8883 (out_movqi_mr_r): Optimized.
8884 (out_movhi_mr_r): Optimized.
8885 (adjust_insn_length): Use output_movsisf, output_movqi,
8886 output_movhi for insn length adjusting.
8887 (reg_unused_after): Use dead_or_set_p.
8888 (preferred_reload_class): Now havn't any restriction.
8889 (reg_was_0): New function.
8890 (io_address_p): Likewise.
8891 (const_int_pow2_p): Likewise.
8892 (output_reload_inhi): Likewise.
8893 (output_reload_insisf): Likewise.
8895 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
8896 (LIB_SPEC): Use -lc for all supported devices.
8897 (LIBGCC_SPEC): Use -lgcc for all supported devices.
8898 (AVR_MEGA): Define as avr_mega_p.
8899 (AVR_ENHANCED): New, define as avr_enhanced_p.
8900 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
8901 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
8902 (CRT_BINUTILS_SPECS): Handle all known MCU types.
8903 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
8904 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
8905 (ASM_SPEC): Pass -mmcu=... to the assembler.
8906 Change all -DAVR_* to -D__AVR_*__.
8907 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
8908 Rename library functions to start with two underscores.
8909 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
8911 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
8912 (SUPPORTS_WEAK): Likewise.
8913 (LDI_REG_REGNO): New. Register r31 will be used as temporary
8914 register for loading constants to r0-r14.
8916 * config/avr/avr.md: Replace all TARGET_ENHANCED with
8918 (*mov_r_sp): Removed. Handled by output_movhi.
8919 (*mov_sp_r): Likewise.
8920 (*mov_sp_r_no_interrupts): Likewise
8921 (*mov_sp_r_tiny): Likewise.
8922 (*movqi): Use output_movqi.
8923 (*reload_inqi): New.
8924 (*movhi): Use output_movhi.
8925 (*reload_inhi): New.
8926 (*negsi2): Optimized.
8927 (*negsf2): Likewise.
8928 Added peepholes (define_peephole2) for loading constants to r0-r14
8929 and for using `cpse' command.
8931 * config/avr/libgcc.S: Rename library functions to start with two
8933 Add support for enhanced core.
8934 (_moqhi3): Fix typo, now _modqi3.
8935 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
8936 (__prologue_saves__): Remove test for stack adjust by 0.
8937 (__tablejump__): New.
8939 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
8940 Add multilib support.
8942 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
8944 * loop.c (prescan_loop): Don't check unknown_address_altered
8945 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
8946 to loop_store_mems as necessary.
8947 (loop_invariant_p): Don't check unknown_address_altered
8948 or unknown_constant_address_altered.
8950 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8952 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
8954 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8956 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
8957 print just the filename.
8958 * cpplex.c (_cpp_run_directive): Add additional argument, the
8959 name to give the synthetic buffer. This defaults to
8960 translated "<command line>".
8961 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
8963 (_cpp_define_builtin): New function.
8964 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
8965 * cpphash.h: Update prototypes.
8967 * tradcpp.c (main): Process -D and -U simultaneously, in the
8968 order they appeared on the command line.
8970 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8972 * c-decl.c (define_label): Call warning_with_file_and_line and
8973 error_with_file_and_line instead of plain warning or error.
8975 * c-parse.in (label): Use save_filename/save_lineno to ensure
8976 correct values for calls to define_label.
8978 2000-08-29 Mark Mitchell <mark@codesourcery.com>
8980 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
8982 * expr.c (expand_expr, case TARGET_EXPR): Don't call
8984 * tree.h (get_file_function_name): Remove two duplicate
8987 2000-08-28 Kazu Hirata <kazu@hxi.com>
8989 * tree.c: Fix formatting.
8991 * xcoffout.c: Fix formatting.
8993 2000-08-28 Jason Merrill <jason@redhat.com>
8995 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
8997 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8999 * dwarf2out.c (dwarf2out_finish): Don't bother calling
9000 break_out_includes if it won't do anything.
9002 2000-08-28 Richard Henderson <rth@cygnus.com>
9004 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
9005 (find_reloads): Likewise.
9006 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
9007 (reload_inhi): Likewise.
9009 2000-08-28 Richard Henderson <rth@cygnus.com>
9011 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
9012 (call_insn_operand): Don't expect a surrounding mem.
9013 (constant_call_address_operand): Likewise.
9014 * config/i386/i386.h (PREDICATE_CODES): Update.
9015 * config/i386/i386.md (call patterns): Move the match_operand
9016 for the call destination inside the mem.
9018 2000-08-28 Richard Henderson <rth@cygnus.com>
9020 * local-alloc.c (requires_inout): Don't use reserved range for
9021 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
9022 * recog.c (asm_operand_ok): Likewise.
9023 (preprocess_constraints, constrain_operands): Likewise.
9024 * regclass.c (record_reg_classes): Likewise.
9025 * reload.c (find_reloads): Likewise.
9026 * reload1.c (maybe_fix_stack_asms): Likewise.
9027 (reload_cse_simplify_operands): Likewise.
9028 * stmt.c (expand_asm_operands): Likewise.
9030 * md.texi: Update constraints documentation.
9031 * tm.texi (EXTRA_CONSTRAINT): Update.
9033 2000-08-28 Daniel Berlin <dberlin@redhat.com>
9035 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
9036 (print_die): If we don't know the offset of the
9037 target die, try the symbol. Add a trailing newline.
9038 (reverse_all_dies): New fn.
9039 (dwarf2out_finish): Call it.
9040 (break_out_includes): Reorganize for clarity.
9041 (add_sibling_attributes): Don't call reverse_die_lists.
9042 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
9044 * flags.h: Add flag_eliminate_dwarf2_dups.
9045 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
9047 2000-08-28 Jason Merrill <jason@redhat.com>
9049 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
9050 * dwarf2out.c: #include "md5.h".
9051 (DIE_LABEL_PREFIX): New macro.
9052 (dw_val_struct): Add 'external' flag to val_die_ref.
9053 (add_AT_die_ref, AT_ref): Adjust.
9054 (AT_ref_external, set_AT_ref_external): New fns.
9055 (build_abbrev_table): Call set_AT_ref_external.
9056 (value_format): Call AT_ref_external.
9057 (die_struct): Add die_symbol field.
9058 (new_die): Clear it.
9059 (dwarf_tag_name): Handle BINCL/EINCL.
9060 (dwarf2out_start_source_file): Add BINCL DIE.
9061 (dwarf2out_end_source_file): Add EINCL DIE.
9062 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
9063 (loc_checksum, attr_checksum, die_checksum): New fns.
9064 (is_type_die, is_comdat_die, is_symbol_die): New fns.
9065 (compute_section_prefix, assign_symbol_names): New fns.
9066 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
9067 (output_die): Call output_die_symbol and AT_ref_external.
9068 (output_comdat_comp_unit): New fn, split out from...
9069 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
9071 (output_pubnames, output_aranges): Abort if we see entries from
9073 * toplev.h: Declare file_name_nondirectory.
9074 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
9075 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
9076 (debug_start_source_file): Call dwarf2out_start_source_file
9077 regardless of debug verbosity.
9078 (debug_end_source_file): Similarly.
9079 * tree.h: Declare clean_symbol_name.
9080 * tree.c (clean_symbol_name): Split out from...
9081 (get_file_function_name_long): ...here.
9083 * dwarf2out.c (new_loc_descr): Use calloc.
9084 (splice_child_die): Remove the die from the right parent.
9085 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
9087 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9089 * toplev.c (decode_g_option): Don't give warning for unknown -g
9090 option; return 0 instead.
9091 (main): If -g option is not recognized by front end or
9092 language-independent code, give warning.
9094 2000-08-28 Greg McGary <greg@mcgary.org>
9096 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
9097 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
9098 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
9100 2000-08-27 Greg McGary <greg@mcgary.org>
9102 * cpplex.c (parse_string): Don't look for backslash
9103 before first char in `namebuf'.
9104 * loop.c (strength_reduce): Skip NOTEs.
9106 2000-08-27 Jason Merrill <jason@redhat.com>
9108 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
9109 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
9110 TREE_ASM_WRITTEN, either.
9111 (finish_decl): Adjust.
9113 2000-08-28 Philipp Thomas <pthomas@suse.de>
9115 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
9116 they have been incorporated into the gettext CVS. Change the text to
9117 reflect the current status of NLS. Add instructions for accessing
9118 the gettext CVS and add the patch from Martin v. Loewis.
9120 2000-08-27 Geoff Keating <geoffk@cygnus.com>
9122 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
9123 by using gen_lowpart_common.
9124 (movdi_internal64+6): Likewise.
9126 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
9128 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
9131 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
9132 numbers to the ranges used by GDB.
9134 2000-08-25 Richard Henderson <rth@cygnus.com>
9136 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
9137 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
9138 (ia64_expand_prologue): Likewise.
9139 (ia64_setup_incoming_varargs): Set it. Properly skip the current
9140 argument for stdargs.
9142 2000-08-25 Jason Merrill <jason@redhat.com>
9144 * integrate.c (expand_inline_function): Pull out the original decl.
9146 2000-08-25 Jim Wilson <wilson@cygnus.com>
9148 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
9150 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
9152 2000-08-25 Greg McGary <greg@mcgary.org>
9154 * flow.c (dump_edge_info): Use ARRAY_SIZE.
9155 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
9157 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
9159 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
9161 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
9163 * i386.c (ix86_find_base_term): New.
9164 * i386-protos.h (ix86_find_base_term): Prototype.
9165 * i386.h (FIND_BASE_TERM): Define.
9166 * alias.c (find_base_term): Use it.
9167 * tm.texi (FIND_BASE_TERM): Document it.
9169 * alias.c (true_dependence, write_dependence_p): Unchanging
9170 memory can't conflict with non-unchanging memory.
9172 * alias.c (memrefs_conflict_p): A BLKmode reference
9173 to a symbol (or CONST_INT address) always conflicts
9174 with a reference to another symbol.
9176 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
9178 * c-common.c (time_char_table): Don't allow width and flags with
9181 2000-08-25 Jakub Jelinek <jakub@redhat.com>
9183 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
9184 way as LT and LTU when the second operand has 0 in low word.
9186 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9188 * basic-block.h (struct loop): Rename `exits' field to
9189 `exit_edges'. Add `entry_edges' and `num_entries' fields.
9191 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
9192 (flow_loop_entry_edges_find): Add.
9193 (flow_edge_list_print): Rename from flow_exits_print.
9194 (flow_loops_find): Call flow_loop_entry_edges_find.
9195 (flow_loop_dump): Dump entry_edges list.
9196 (flow_loops_free): Free entry_edges.
9198 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9200 * loop.c (loop_dump_aux, debug_loop): New functions.
9201 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
9203 * flow.c (flow_loops_dump): Add callback parameter.
9204 (flow_loop_dump): Add callback parameter and call it. Move
9205 loop note debugging code to loop_dump_aux.
9207 * basic-block.h (flow_loop_dump): Add callback parameter
9208 (flow_loops_dump): Likewise.
9210 * toplev.c (rest_of_compilation): Add NULL callback function pointer
9211 to call to flow_loops_dump.
9213 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9215 * loop.c (count_loop_regs_set): Replace start and end arguments
9216 with loop argument. All callers udated.
9218 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9220 * loop.c (constant_high_bytes): Delete.
9222 2000-08-26 Michael Hayes <mhayes@cygnus.com>
9224 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
9225 and NOTE_INSN_LOOP_VTOP to...
9226 (find_and_verify_loops) ...here.
9228 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
9230 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
9231 (fini_dummy, init_dummy): Use it.
9233 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
9235 * cpplex.c (is_macro_disabled): Caller has already checked
9236 that we're not a preprocessed file.
9238 2000-08-24 Mark Mitchell <mark@codesourcery.com>
9240 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
9241 (c-iterate.o): Remove target.
9242 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
9243 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
9244 (finish_decl): Don't handle iterators.
9245 (grokdeclarator): Likewise.
9246 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
9247 * gcc/c-gperf.h: Regenerated.
9248 * gcc/c-iterate.c: Removed.
9249 * gcc/c-lex.c (init_lex): Don't handle iterators.
9250 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
9251 (compstmt_primary_start): Remove push_iterator_stack call.
9252 (stmt): Don't allow iterator statements. Replace iterator_expand
9253 with expand_expr_stmt.
9254 (all_iter_stmt): Remove.
9255 (all_iter_stmt_simple): Likewise.
9256 (all_iter_stmt_with_decl): Likewise.
9257 * gcc/c-tree.h (ITERATOR_P): Remove.
9258 (ITERATOR_BOUND_P): Likewise.
9259 (init_iterators): Remove declaration.
9260 (iterator_expand): Likewise.
9261 (iterator_for_loop_start): Likewise.
9262 (iterator_for_loop_end): Likewise.
9263 (iterator_for_loop_record): Likewise.
9264 (push_iterator_stack): Likewise.
9265 (pop_iterator_stack): Likewise.
9266 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
9267 (readonly_warning): Likewise.
9268 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
9270 2000-08-24 Jim Wilson <wilson@cygnus.com>
9272 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
9273 Copy type in a TYPE_DECL, just like pushdecl does.
9275 2000-08-24 Richard Henderson <rth@cygnus.com>
9277 * toplev.c (main): Enable flag_reorder_blocks at -O2.
9279 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9281 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
9282 asked for one page, allocate GGC_QUIRE_SIZE of them and put
9283 the extras on the free list.
9284 (release_pages): Clean up.
9285 (ggc_set_mark): Don't adjust G.allocated here...
9286 (sweep_pages): ... do it here.
9288 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
9290 * cppfiles.c (read_include_file): Rearrange initializations.
9292 2000-08-24 Richard Henderson <rth@cygnus.com>
9294 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
9296 * config/ia64/ia64-protos.h: Update.
9297 * config/ia64/ia64.c (gr_register_operand): New.
9298 (fr_register_operand, grfr_register_operand): New.
9299 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
9300 (grfr_reg_or_8bit_operand): New.
9301 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
9302 use gr_register_operand.
9303 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
9304 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
9305 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
9306 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
9307 (fr_reg_or_fp01_operand): Likewise.
9308 (not_postinc_memory_operand): New.
9309 (ia64_split_timode): Remove unused variables.
9310 (rtx_needs_barrier): Check arguments to cmpxchg.
9311 (builtin_description): Remove.
9312 (bdesc_2argsi, bdesc_2argdi): Remove.
9313 (ia64_init_builtins): Declare all builtins directly.
9314 (ia64_expand_fetch_and_op): Rewrite to be called from
9315 ia64_expand_builtin directly. Use expand_binop and co.
9316 (ia64_expand_op_and_fetch): Likewise.
9317 (ia64_expand_compare_and_swap): Likewise.
9318 (ia64_expand_binop_builtin): Remove.
9319 (ia64_expand_lock_test_and_set): New.
9320 (ia64_expand_lock_release): New.
9321 (ia64_expand_builtin): Use them.
9322 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
9323 (EXTRA_CONSTRAINT): Use it.
9324 (PREDICATE_CODES): Update.
9325 * config/ia64/ia64.md (*): Use gr_register_operand and co.
9326 (mf): Indicate that we set memory as well as use it.
9327 (fetchadd_acq_si): Show memory being modified as well.
9328 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
9329 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
9330 (lock_test_and_set_si, lock_test_and_set_di): Remove.
9331 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
9332 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
9333 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
9334 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
9335 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
9336 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
9337 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
9338 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
9339 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
9340 return type. Pretty print definitions.
9342 2000-08-24 Jim Wilson <wilson@cygnus.com>
9344 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
9345 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
9347 2000-08-24 Jason Merrill <jason@redhat.com>
9349 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
9350 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
9351 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
9352 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
9354 2000-08-24 Greg McGary <greg@mcgary.org>
9356 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
9357 and extendtab within their proper array boundaries.
9358 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
9359 for the entire array.
9361 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
9362 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
9363 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
9364 * config/fr30/fr30.c (fr30_print_operand): Likewise.
9365 * config/i386/dgux.c (output_options): Likewise.
9366 * config/i386/dgux.h (ASM_FILE_START): Likewise.
9367 * config/m88k/m88k.c (output_options): Likewise.
9368 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
9369 * config/mcore/mcore.c (mcore_output_inline_const_forced,
9370 layout_mcore_frame, handle_structs_in_regs): Likewise.
9371 * config/mips/mips.c (output_block_move): Likewise.
9372 * config/rs6000/rs6000.c (rs6000_override_options,
9373 rs6000_file_start): Likewise.
9374 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
9375 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
9376 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
9377 * builtins.c (expand_builtin_setjmp): Likewise.
9378 * expr.c (safe_from_p): Likewise.
9379 * flow.c (life_analysis): Likewise.
9380 * fold-const.c (size_int_type_wide): Likewise.
9381 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
9382 * genattrtab.c (make_length_attrs): Likewise.
9383 * genopinit.c (gen_insn): Likewise.
9384 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
9385 * global.c (global_alloc): Likewise.
9386 * local-alloc.c (find_free_reg): Likewise.
9387 * mips-tdump.c (print_symbol): Likewise.
9388 * mips-tfile.c (parse_def, parse_input): Likewise.
9389 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
9390 * stmt.c (expand_nl_goto_receiver): Likewise.
9391 * stor-layout.c (set_sizetype): Likewise.
9392 * varasm.c (decode_reg_name): Likewise.
9393 * toplev.c (decode_f_option, decode_W_option,
9394 set_target_switch, print_switch_values): Likewise.
9395 (NUM_ELEM): Remove macro.
9396 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
9398 2000-08-24 Greg McGary <greg@mcgary.org>
9400 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
9401 (MAIN_NAME_P, main_identifier_node): New macros.
9402 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
9403 * c-decl.c (start_decl, grokdeclarator, start_function,
9404 store_parm_decls, finish_function): Use MAIN_NAME_P.
9405 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
9406 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
9407 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9408 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
9410 2000-08-24 Greg McGary <greg@mcgary.org>
9412 * cppfiles.c (actual_directory): Don't write beyond `dir'
9413 when it contains "".
9414 * real.c (asctoeg): Stay within bounds of etens[][].
9416 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9418 * dependence.c (dependence_string, direction_string,
9419 dump_one_node, dump_node_dependence): Hide unused identifiers.
9420 (get_low_bound, normalize_coefficients): Match definition to
9422 (get_one_coefficient): Initialize variables `value0_is_idx' and
9424 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
9425 (ziv_test): Delete variable `idx', use parameter `sub' instead.
9426 (direction_merge): Avoid automatic aggregate initialization.
9427 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
9428 Initialize variables `dest_idx' and `src_idx'.
9429 (end_dependence_analysis): Avoid C89 style function definition.
9431 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
9433 * c-common.c (time_char_table): Don't allow width with %F.
9434 (check_format_info): Don't allow "Z" length with scanf.
9436 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
9438 * diagnostic.c (finish_diagnostic): Define.
9439 (output_do_printf): Use wrap_text instead of output_add_string.
9440 (default_print_error_function): Avoid embedded '\n'.
9442 * diagnostic.h (flush_diagnostic_buffer): Declare.
9444 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
9446 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
9448 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
9450 * Makefile.in (GCC_PASSES): Add specs.
9452 2000-08-23 Jim Wilson <wilson@cygnus.com>
9454 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
9455 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
9456 EHANDLER nor UHANDLER bit is set.
9457 (__get_except_table): Likewise.
9459 2000-08-23 Nick Clifton <nickc@redhat.com>
9461 * config/arm/lib1funcs.asm: Replace upper case condition codes
9462 with lower case versions.
9464 * config/arm/arm.h (STRUCT_VALUE): Define.
9465 (STRUCT_VALUE_REGNUM): Delete.
9467 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
9469 * cpphash.h (IN_I): New flag for directive table.
9470 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
9472 (_cpp_check_directive): If -fpreprocessed, execute directives
9473 marked with IN_I. Issue no warnings in this case.
9474 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
9476 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
9478 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
9480 (check_format_info): Support printf 'I' flag; warn about it with
9483 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
9485 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
9486 barrier can't be ignored by the alias analysis code.
9488 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
9490 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
9491 works inside fixincl.
9493 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
9495 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
9496 simplify_relational_operation() unless both operands are of
9498 * cse.c (fold_rtx): Likewise.
9500 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
9502 * rtlanal.c (rtx_unstable_p): The pic register is stable
9503 (within one function) and the actual rtx should be used
9504 when checking the registers.
9505 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
9507 * alias.c (true_dependence, write_dependence_p): Fix
9508 bug in previous patch.
9510 * i386.c (ix86_GOT_alias_set): New.
9511 (legitimize_pic_address): Use it.
9513 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
9514 only stable if its address is stable.
9515 (rtx_varies_p): An unchanging MEM can't vary if
9516 its address doesn't vary.
9518 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9520 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
9522 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9524 * vax.h (ASM_SPEC): Pass `-J' to assembler.
9525 * x-vax-gcc: New file for bootstrapping with gcc.
9526 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
9527 * configure.in: Use x-vax-gcc with gcc.
9528 * configure: Rebuilt.
9530 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9532 * toplev.c (rest_of_compilation): Rebuild label notes after
9533 post-reload splitting pass if new labels have been created.
9535 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9537 * diagnostic.h (output_buffer_state): New macro.
9538 * diagnostic.c (diagnostic_for_decl, sorry,
9539 default_print_error_function, output_do_verbatim,
9540 report_diagnostic, report_problematic_module): Use it.
9542 (output_format): Use wrap_text instead of maybe_wrap_text.
9544 2000-08-22 Nick Clifton <nickc@redhat.com>
9546 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
9547 Common code for ARM divide and modulus functions.
9548 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
9550 (FUNC_END): New macro: Common code at the end of the division and
9552 (THUMB_FUNCTION_START): New macro: Common code at the start of
9554 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
9556 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
9558 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
9560 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
9561 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
9564 2000-08-22 Nick Clifton <nickc@redhat.com>
9566 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
9567 restorative additions, test for bottom bits of IP being set,
9568 rather than relying upon the RORs not matching.
9571 2000-08-22 David Edelsohn <edelsohn@gnu.org>
9573 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
9574 text_section() as appropriate instead of emitting text csect
9576 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
9577 (UNIQUE_SECTION): Define macro.
9578 (ASM_OUTPUT_SECTION_NAME): Define macro.
9579 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
9580 on AIX if debugging and -fdata-sections always.
9582 2000-08-22 Steven King <sxking@uswest.net>
9584 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
9586 (LDBL_MAX): Same here.
9588 2000-08-22 Richard Henderson <rth@cygnus.com>
9590 * flow.c (tidy_fallthru_edge): Update b->end properly.
9592 2000-08-22 Stan Cox <scox@redhat.com>
9594 * Makefile.in (OBJS): Add dependence.o.
9595 * dependence.c: New file.
9597 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
9599 * calls.c (check_sibcall_argument_overlap_1): Adjust for
9601 (check_sibcall_argument_overlap): Likewise.
9603 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
9605 * invoke.texi (SH Options): Document -m4-nofpu,
9606 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
9607 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
9609 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
9611 * c-common.c (check_format_info): Give the 'some locales' warning
9612 for strftime %Ey rather than the unconditional 'only last 2 digits
9615 2000-08-22 Richard Henderson <rth@cygnus.com>
9617 * alias.c (init_alias_analysis): Do not register
9618 struct_value_incoming_rtx or static_chain_rtx as pointing
9621 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
9623 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
9625 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
9627 * diagnostic.h (report_problematic_module): Declare.
9628 * diagnostic.c (report_problematic_module): New function.
9629 (report_error_function): Tweak.
9631 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9633 * stmt.c (expand_goto_internal, fixup_gotos): Only check
9634 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9636 2000-08-21 Richard Henderson <rth@cygnus.com>
9638 * flow.c (calculate_global_regs_live): Mark frame pointer live
9639 everywhere before reload.
9641 2000-08-21 Jim Wilson <wilson@cygnus.com>
9643 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
9644 INTEL_EXTENDED_IEEE_FORMAT.
9645 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
9646 clear last two bytes of output FP value.
9648 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
9650 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
9652 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9654 * unroll.c (loop_find_equiv_value): If ret is modified between
9655 insn and loop_start, ret might not be equivalent to reg.
9657 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9659 * c-common.c (init_dollar_format_checking,
9660 maybe_read_dollar_number, finish_dollar_format_checking): New
9662 (dollar_arguments_used, dollar_arguments_count,
9663 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
9665 (check_format_info): Support $ formats for scanf and printf width
9666 and precision. Always increment format_chars to advance past the
9667 '*' of precision, not just when the format parameters are
9670 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9672 * mips.c (block_move_loop, expand_block_move,
9673 function_arg_partial_nregs, save_restore_insns, function_prologue,
9674 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
9676 (function_arg_advance, function_arg): Match argument to format
9679 2000-08-21 Nix <nix@esperi.demon.co.uk>
9681 * gcc.c (do_spec_1): Implement %j spec flag.
9682 Remove dead comment.
9684 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
9685 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
9686 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
9687 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
9689 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
9690 writable) instead of hardcoded value.
9692 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
9694 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
9697 * gcc.c (cc1_options): Do not process -o or run the assembler if
9699 * objc/lang-spec.h: Likewise.
9701 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
9703 * fixinc/fixincl.c (fix_with_system): Pipe the output of
9704 "external" fixes through `cat', to avoid truncating the input
9705 file by redirection.
9707 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9709 * config/i386/i386.md (lea_general_1): Copy insn condition to split
9711 (lea_general_2, lea_general_3): Likewise.
9713 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9715 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
9716 warnings to user code.
9718 * c-lex.c (readescape, yylex): Likewise.
9720 * c-typeck.c (store_init_value, process_init_element): Likewise
9721 (c_expand_start_case): Format.
9723 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
9725 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
9727 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
9728 and linker_endian_spec to endian_spec.
9729 (ENDIAN_SPEC): Add %{EB} and %{EL}.
9730 (LINK_SPEC): Remove %{EB} and %{EL}.
9731 (ASM_SPEC): Likewise. Use %(endian_spec).
9733 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9735 * c-tree.h (flag_hosted): Move declaration from here...
9736 * c-common.h (flag_hosted): ... to here.
9737 (flag_noniso_default_format_attributes): New declaration.
9738 * c-decl.c (flag_noniso_default_format_attributes): New variable.
9739 (c_decode_option): Set it appropriately for options choosing
9740 language standard variant.
9741 * c-common.c (init_function_format_info): Only provide default
9742 format attributes if flag_hosted. Only provide the gettext
9743 formats if flag_noniso_default_format_attributes. Update
9745 (check_format_info): Disable treatment of %a as a scanf flag in
9748 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9750 * c-common.c (scan_char_table): Add 'w' to flags for all formats
9752 (check_format_info): Set 'wide' for scanf format widths. Warn for
9753 a zero scanf width. Make the check for writing into a constant
9754 object at the first level of indirection; at later levels, warn if
9755 any type qualifiers are encountered.
9757 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
9759 * reload.c (reload_inner_reg_of_subreg): New function broken out of
9761 (push_reload): Use reload_inner_reg_of_subreg.
9762 (combine_reloads): Do not combine reloads if the input reload
9763 is a SUBREG in which the inner part will need reloading.
9765 * global.c (global_alloc): Avoid passing dumpfile argument to
9767 * toplev.c (rest_of_compilation): Likewise.
9768 * reload.h (reload): Remove dumpfile argument. Callers changed.
9769 (debug_reload, debug_reload_to_stream): Move prototypes here.
9770 * rtl.h (reload): Remove dumpfile argument.
9771 * reload.c (debug_reload): Remove prototype.
9772 (debug_reload_to_stream): Likewise.
9773 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
9776 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9778 * diagnostic.c (context_as_prefix): Export.
9779 (need_error_newline): Remove.
9780 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
9781 (error_module_changed, record_last_error_module,
9782 error_function_changed, record_last_error_function): New functions.
9783 (initialize_diagnostics): Default intialize
9784 lang_diagnostic_starter, lang_diagnostic_finalizer.
9785 (init_output_buffer): Tweak.
9786 (file_name_as_prefix): New function.
9787 (announce_function, default_print_error_function,
9788 report_error_function, set_diagnostic_context): Tweak.
9790 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
9792 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
9793 condition expression.
9795 2000-08-20 Richard Henderson <rth@cygnus.com>
9797 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
9799 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
9801 * cppinit.c (cpp_init): Set global flag when called.
9802 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
9804 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
9806 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
9807 before `process_directive' so that newlines won't be missed
9809 (cpp_printf): Increment `print->lineno' when newline is emitted.
9811 * cppmain.c (cb_ident): Likewise.
9812 (cb_define): Likewise.
9813 (cb_undef): Likewise.
9814 (cb_include): Likewise.
9815 (cb_def_pragma): Likewise.
9816 (dump_macros_helper): Likewise.
9818 2000-08-20 Richard Henderson <rth@cygnus.com>
9820 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
9821 assigned before a loop.
9823 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
9824 (ashrsi3, lshrsi3): Likewise.
9826 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9828 * c-lang.c: #include diagnostic.h
9829 (c_tree_printer): New function.
9830 (lang_init): Initialize lang_printer.
9832 * Makefile.in (c-lang.o): Depends on diagnostic.h
9834 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9836 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
9838 * diagnostic.c (default_diagnostic_starter,
9839 default_diagnostic_finalizer): New functions.
9840 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
9841 (pedwarn, pedwarn_with_file_and_line, error,
9842 error_with_file_and_line, fatal, warning,
9843 warning_with_file_and_line): Adjust call to report_diagnostic.
9844 (report_diagnostic): Rework.
9845 (set_diagnostic_context): New function.
9847 * diagnostic.h (struct diagnostic_context): New data structure.
9848 (diagnostic_message, diagnostic_argument_list,
9849 diagnostic_file_location, diagnostic_line_location,
9850 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
9851 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
9852 (set_diagnostic_context): Declare.
9853 (report_diagnostic): Change prototype.
9855 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
9857 * fix-header.c (main): Initialize cpplib.
9859 2000-08-19 Michael Meissner <meissner@redhat.com>
9861 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
9862 instructions in it before checking for indirect jumps.
9864 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
9865 in a indirect jump as a potential for conditional execution.
9867 * d30v.h (d30v_init_expanders): Don't declare here.
9868 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
9871 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
9873 * cpp.texi: Add @section for assertions.
9875 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
9877 * loop.c (scan_loop): Use CONST_CALL_P instead of
9878 checking for REG_LIBCALL / REG_RETVAL.
9880 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
9882 * reload1.c (reload_as_needed): Accept dumpfile argument,
9883 pass it to emit_reload_insns.
9884 (emit_reload_insns): Add new dumpfile argument. If non-null
9885 then dump the reloads for each insn into the dumpfile.
9886 (reload): Pass dumpfile to reload_as_needed.
9888 * invoke.texi: Clean up linux-gnu vs linux comments.
9890 2000-08-19 Richard Henderson <rth@cygnus.com>
9892 * config/ia64/ia64.c (reg_or_5bit_operand): New.
9893 (ia64_depz_field_mask): New.
9894 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
9895 (PREDICATE_CODES): Update.
9896 * config/ia64/ia64.md: Update commentary.
9897 (depz_internal): New.
9898 (ashlsi3): Implement directly.
9899 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
9900 (ashldi3): Use shladd.
9901 * config/ia64/ia64-protos.h: Update.
9903 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9905 * toplev.c (independent_decode_option): Always process -g.
9906 Remove third argument, now unused. Adjust caller to match.
9908 2000-08-18 Richard Henderson <rth@cygnus.com>
9910 * combine.c (make_compound_operation): Break after creating
9913 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9915 * cpplib.c (cpp_register_pragma_space): Just return if the
9916 namespace is already registered.
9918 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
9920 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
9921 constant amount. Do not generate ROTL instruction.
9923 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
9925 * config/sh/elf.h: Do not include sh/sh.h.
9926 * config/sh/rtems.h: Likewise.
9927 * config/sh/rtemself.h: Do not include sh/elf.h.
9928 * configure.in: Get them included with `tm_file's.
9929 * configure: Rebuilt.
9931 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
9932 * config/sh/sh.c (fpscr_set_from_mem): Use them.
9934 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9936 * stor-layout.c (compute_record_type): Don't use mode of single
9937 field as mode of record if not integer mode of same type.
9939 * regmove.c (perhaps_ends_bb_p): New function.
9940 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
9941 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
9942 (fixup_match_1): Likewise.
9943 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
9944 avoid signed/unsigned warnings.
9946 * function.c (fixup_var_refs_1, case MEM): Update CODE after
9949 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
9951 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
9952 (_cpp_trigraph_map): Declaration moved from cpplex.c
9954 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
9955 instead of 256. Use consistent test for designated initializers.
9956 (cpp_init): Initialize trigraph_map.
9957 (initialize_standard_includes, parse_option): Use memcmp
9960 * cpplex.c (init_trigraph_map): Remove.
9961 (trigraph_ok, trigraph_replace, lex_line): Refer to
9964 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
9965 (do_unassert): Remove unused "next" local.
9967 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
9969 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
9971 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
9974 2000-08-17 Richard Henderson <rth@cygnus.com>
9976 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
9977 the first insn in a sequence.
9979 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
9981 * alias.c (true_dependence, write_dependence_p): A read
9982 involving a label_ref or the constant pool doesn't create
9985 * rtl.h (unchanging): Improve documentation.
9987 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
9989 * cse.c (insert_regs): Remove unused `regno'.
9991 2000-08-17 Neil Booth <NeilB@earthling.net>
9993 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
9994 remove_dup_dirs. If qtail == brack, remove brack not
9996 (remove_dup_dir, remove_dup_dirs): New functions.
9998 2000-08-17 Neil Booth <NeilB@earthling.net>
10000 * cppinit.c (cpp_cleanup): Free include dir chains.
10001 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
10002 (do_unassert): Free the assert with _cpp_free_definition.
10003 * cppmacro.c (_cpp_free_definition): Free memory allocated for
10004 assertions. Make the node a T_VOID node.
10006 2000-08-17 Neil Booth <NeilB@earthling.net>
10008 * cppinit.c (path_include, append_include_chain):
10009 Remove 2nd parameter (struct cpp_pending *).
10010 (path_include, initialize_standard_includes, cpp_handle_option):
10011 Update callers appropriately.
10012 (cpp_handle_option): Use pend.
10014 2000-08-17 Neil Booth <NeilB@earthling.net>
10016 * cppinit.c (sort_options): Remove, put functionality in
10019 (initialize_builtins): Free memory.
10020 (cpp_start_read): Move init_IStable to cpp_init.
10022 * cpplib.h (cpp_init): New prototype.
10023 * cppmain.c (main): Call cpp_init.
10025 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
10027 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
10028 (rtx_unstable_p, rtx_varies_p): Process vectors.
10030 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10032 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
10033 references to GLOBAL symbols. Use LOCAL where appropriate.
10035 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10037 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
10038 use t-aix41 when host == target.
10040 2000-08-16 Richard Henderson <rth@cygnus.com>
10042 * reload.c (push_secondary_reload): Revert last change.
10043 If we use a reload_in/out pattern, make the when the same
10044 as the primary reload.
10045 (find_reloads): Likewise.
10047 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
10049 * configure.in (libstdcxx-v3): Fix test.
10050 * configure: Regenerate.
10052 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10054 * calls.c (calls_function_1, expand_call): Only test
10055 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
10056 * function.c (thread_prologue_and_epilogue_insns): Likewise.
10058 2000-08-16 Richard Henderson <rth@cygnus.com>
10060 * combine.c (simplify_shift_const): Revert previous two
10061 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
10062 before the main loop.
10064 2000-08-15 Richard Henderson <rth@cygnus.com>
10066 * combine.c (simplify_shift_const): Bound shift count when
10069 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10071 * calls.c (ECF_SP_DEPRESSED): New macro.
10072 (calls_function_1): Treat calling sp-depressed function as alloca.
10073 (emit_call_1): Don't adjust SP if calling sp-depressed function.
10074 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
10075 If sp-depressed, ensure block saves and restores SP.
10076 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
10078 * function.c (keep_stack_depressed): New function.
10079 (thread_prologue_and_epilogue_insns): Call it.
10080 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
10081 to print DECL_OFFSET_ALIGN.
10082 Print no-force-blk and transparent-union flags properly.
10083 * stmt.c (expand_goto_internal): Don't restore stack if last block
10084 and function returns with sp depressed.
10085 (fixup_gotos): Likewise.
10086 (save_stack_pointer): New function, from code in expand_decl.
10087 (expand_decl): Call new function.
10088 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
10089 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
10090 (save_stack_pointer): New declaration.
10092 * diagnostic.c (fatal_function): New variable.
10093 (set_fatal_function): New function.
10095 * diagnostic.h (set_fatal_function): New declaration.
10097 2000-08-15 William Cohen <wcohen@redhat.com>
10099 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
10100 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
10101 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
10103 2000-08-15 Richard Henderson <rth@cygnus.com>
10105 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
10107 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10109 * arm.c (arm_function_ok_for_sibcall): New function.
10110 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
10111 * arm.md (call expanders): Don't check here for calls that can't
10114 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10116 * arm.md (splits generating cond_exec): Disable.
10118 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10120 * arm/linux-elf.h (text_section): Delete declaration.
10122 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
10124 ARM support for unordered FP operations.
10125 * arm-protos.h (arm_comparison_operator): Declare.
10126 * arm.c (arm_comparison_operator): New function.
10127 (arm_select_cc_mode): Add unordered comparison codes.
10128 (get_arm_condition_code): Likewise.
10129 (arm_final_prescan_insn): Can't handle unordered jumps that can't
10130 be done in one insn.
10131 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
10132 * arm.md (all uses of comparison_operator): Replace with
10133 arm_comparison_operator.
10134 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
10136 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
10139 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10141 * gthr-posix.h: Conditionally include <sched.h>; include
10142 <config.h> from libobjc/.
10144 2000-08-14 Richard Henderson <rth@cygnus.com>
10146 * config/i386/i386.c (legitimize_pic_address): Use Pmode
10149 2000-08-14 Richard Henderson <rth@cygnus.com>
10151 * configure.in (ia64-*): Set float_format for i386 long double.
10153 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
10154 as we would for i386 XFmode.
10155 (PUT_REAL): Likewise.
10156 (endian, ereal_atof, real_value_truncate): Likewise.
10157 (ereal_isneg, toe64, etens, make_nan): Likewise.
10158 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
10160 * config/ia64/ia64-protos.h: Update.
10161 * config/ia64/ia64.c (general_tfmode_operand): New.
10162 (destination_tfmode_operand): New.
10163 (tfreg_or_fp01_operand): New.
10164 (ia64_split_timode): New.
10165 (spill_tfmode_operand): New.
10166 (ia64_expand_prologue): Use TFmode not XFmode.
10167 (ia64_expand_epilogue): Likewise.
10168 (ia64_function_arg): Likewise.
10169 (ia64_function_arg_advance): Likewise.
10170 (ia64_return_in_memory): Likewise.
10171 (ia64_function_value): Likewise.
10172 (ia64_print_operand): Likewise.
10173 (ia64_register_move_cost): Set GR<->FR to 5.
10174 (ia64_secondary_reload_class): Get GR for TImode memory op.
10175 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
10176 (ROUND_TYPE_ALIGN): Remove.
10177 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
10178 (INTEL_EXTENDED_IEEE_FORMAT): Define.
10179 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
10180 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
10181 (MODES_TIEABLE_P): Use TFmode, not XFmode.
10182 (CLASS_MAX_NREGS): Likewise.
10183 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
10184 (PREDICATE_CODES): Update.
10185 * config/ia64/ia64.md (movti): New.
10186 (movti_internal): Use a clobber for memory alternatives.
10187 (reload_inti, reload_outti): New.
10188 (movsfcc_astep): Predicate properly.
10189 (movdfcc_astep): Likewise.
10192 (extendsftf2, extenddftf2): New.
10193 (trunctfsf2, trunctfdf2): New.
10194 (floatditf2, fix_trunctfdi2): New.
10195 (floatunsditf2, fixuns_trunctfdi2): New.
10196 (addtf3, subtf3, multf3, abstf2): New.
10197 (negtf2, nabstf2, mintf3, maxtf3): New.
10198 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
10200 (fr_spill): Use TFmode, not XFmode.
10201 (fr_restore): Likewise.
10202 * config/ia64/lib1funcs.asm (__divtf3): New.
10203 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
10205 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10207 * cse.c (fold_rtx): Avoid empty body in an if-statement.
10209 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
10210 `U' integer constant suffix.
10212 * dwarf2out.c (add_subscript_info): Avoid empty body in an
10215 * sparc/sol2.h (__enable_execute_stack): Prototype.
10217 2000-08-14 David Edelsohn <edelsohn@gnu.org>
10219 * collect2.c: Remove use of AIX import file.
10221 * longlong.h: Test ARCH_PWR not ARCH_POWER.
10223 * rs6000.c (print_operand, case 'E'): Add else.
10225 2000-08-14 Richard Henderson <rth@cygnus.com>
10227 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
10228 (movdi_symbolic): New.
10230 2000-08-14 Jim Wilson <wilson@cygnus.com>
10232 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10233 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
10234 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
10237 2000-08-14 Richard Henderson <rth@cygnus.com>
10239 * expr.c (emit_group_load): Don't force constants into registers.
10240 Special case source already in the correct mode.
10242 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
10244 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
10245 * fixinc/inclhack.def: Likewise.
10246 * fixinc/mkfixinc.sh: Likewise.
10247 * configure: Regenerate.
10248 * fixinc/fixincl.x: Regenerate.
10249 * install.texi: Document equivalence of linux and linux-gnu.
10251 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10253 * cse.c (insert_regs): Also in REG case: When finding an invalid
10254 value, and we make a new quantity, make sure that it won't be
10255 mistaken by for a valid one by mention_regs.
10257 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
10259 * h8300.md: Remove obsolete peepholes.
10261 2000-08-13 Kazu Hirata <kazu@hxi.com>
10263 * invoke.texi (H8/300 Options): Fix typos.
10264 * config/h8300.c: Fix formatting.
10265 * config/h8300.h: Fix comment typos.
10266 (OVERRIDE_OPTIONS): Fix formatting.
10268 * function.c: Fix formatting.
10270 * cse.c: Fix formatting.
10272 2000-08-13 Geoff Keating <geoffk@cygnus.com>
10274 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
10275 (attempt_auto_inc): Suppress parentheses warning.
10276 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
10277 * loop.c (load_mems): Remove `u' suffix in two places.
10278 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
10280 * config/rs6000/rs6000.h: Likewise.
10281 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
10282 __eabi dummy routine.
10283 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
10284 variable `buf_ptr'.
10286 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
10287 not put stuff in .sdata unnecessarily.
10288 (rs6000_unique_section): New function.
10289 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
10290 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
10292 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
10293 arrays in C99. Don't try to look at DECL_REGISTER of a
10294 COMPONENT_REF. Don't complain twice about the same error.
10296 * fixinc/inclhack.def (aix_pthread): New fix.
10297 (aix_sysmachine): New fix.
10298 * fixinc/fixincl.x: Regenerate.
10300 * expr.c (expand_expr): Call convert_modes when turning a large
10301 multiply into a small one.
10303 2000-08-12 Geoff Keating <geoffk@cygnus.com>
10305 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
10306 the tree structure an exponent rather than an explicit alignment
10307 so it doesn't overflow.
10308 (SET_DECL_OFFSET_ALIGN): New macro.
10309 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
10310 rather than DECL_OFFSET_ALIGN.
10311 (place_field): Likewise.
10312 * expmed.c (store_bit_field): Abort on align==0 to avoid
10313 antisocial machine behaviour.
10315 2000-08-12 Richard Henderson <rth@cygnus.com>
10317 * sibcall.c (uses_addressof): Accept both addressof and
10318 current_function_internal_arg_pointer inside a mem.
10319 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
10320 if current_function_uses_addressof.
10321 * stmt.c (expand_return): Kill tail recursion and HAVE_return
10324 2000-08-11 Richard Henderson <rth@cygnus.com>
10326 * config/ia64/ia64.md (addsi3): Remove expander.
10327 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
10328 (*addsi3_shladd): New.
10330 2000-08-11 Richard Henderson <rth@cygnus.com>
10332 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
10333 (do_restore): Likewise.
10334 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
10335 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
10336 (rtx_needs_barrier): Track actual bit manipulation for
10337 ar.unat moves, gr_spill, and gr_restore.
10338 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
10339 (process_set): Don't handle varargs spills.
10340 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
10341 .mem.offset here instead of in process_set.
10342 (gr_restore): Likewise.
10344 2000-08-11 Richard Henderson <rth@cygnus.com>
10346 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
10348 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10350 * gcc.texi (The Configuration File): Document
10351 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
10352 UPDATE_PATH_HOST_CANONICALIZATION.
10354 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10356 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
10357 unprototyped function pointer casts on integer constants.
10359 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
10361 * fixproto: Recognize DOS paths with drive letters as absolute paths.
10363 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
10365 * extend.texi (Volatiles): Fix typos.
10367 2000-08-11 Kazu Hirata <kazu@hxi.com>
10369 * flow.c: Fix formatting.
10371 2000-08-11 Richard Henderson <rth@cygnus.com>
10373 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
10374 pattern, always allocate a tertiary scratch register.
10376 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
10377 (reload_inhi): Likewise.
10379 2000-08-11 Richard Henderson <rth@cygnus.com>
10381 * function.c (put_reg_into_stack): Allow type to be NULL.
10382 (schedule_fixup_var_refs): Likewise.
10383 (gen_mem_addressof): Allow decl to be NULL.
10384 (put_addressof_into_stack): Likewise.
10386 * flow.c (merge_blocks_nomove): Be more careful about
10387 locating the beginning of block A.
10389 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
10391 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10396 * config.in: Reverted the check for <sched.h>.
10398 2000-08-10 Chris Demetriou <cgd@sibyte.com>
10400 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
10401 macros define the name of CTOR and DTOR sections.
10402 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10403 DTOR_LIST_END): Change to use attributes to specify
10405 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
10406 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
10407 DTOR_LIST_END): Same as in mips/elf.h.
10409 2000-08-10 Drew Moseley <dmoseley@redhat.com>
10411 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
10412 disabling just crt0.o.
10414 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
10416 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
10417 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
10418 (EXTRA_SPECS): Add them.
10419 * arm/lib1funcs.asm: Support builds for interworking.
10420 Use macros to eliminate duplicated pieces of code.
10422 2000-08-10 Kazu Hirata <kazu@hxi.com>
10424 * h8300.c (expand_a_rotate): New.
10425 (emit_a_rotate): Likewise.
10426 (h8300_adjust_insn_length): Add support for the rotate insns.
10427 * h8300.md (rotlqi3): New.
10428 (*rotlqi3_1): Likewise.
10429 (rotlhi3): Likewise.
10430 (*rotlhi3_1): Likewise.
10431 (rotlhi3): Likewise.
10432 (*rotlhi3_1): Likewise.
10433 * h8300-proto.h: Add prototypes for expand_a_rotate and
10436 * h8300.c: Fix comment typos.
10437 (dosize): Declare the variable amount as unsigned.
10438 (get_shift_alg): Fix a comparison between signed and unsigned.
10439 (emit_a_shift): Likewise.
10440 (h8300_adjust_insn_length): Simplify the code.
10442 * c-decl.c: Fix formatting.
10444 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10446 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
10447 warning about non-traditional numeric constant suffixes.
10449 * cppexp.c (parse_number): Likewise.
10451 * invoke.texi: (-Wtraditional): Document new behavior.
10453 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10455 * gthr-posix.h: Include auto-host.h. Conditionally include
10457 * configure.in: Check for the <sched.h> header file.
10458 * config.in: Added define for HAVE_SCHED_H.
10460 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10462 * c-typeck.c (process_init_element): For -Wtraditional, warn about
10463 initialization of unions.
10465 * invoke.texi (-Wtraditional): Document new behavior.
10467 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
10469 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
10470 instead of extra_c_flags.
10471 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
10472 * configure: Regenerate.
10473 * config.in: Regenerate.
10475 * cpperror.c (cpp_type2name): New function.
10476 * cpplex.c (lex_line): If we issued an error for an invalid
10477 preprocessing directive, discard that logical line.
10478 * cpplib.c (do_line): Call a hook function if the current file
10479 is renamed by #line.
10480 (do_ident): Pass the contents of the string, not the entire
10481 token, to the callback function.
10482 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
10483 (cb.rename_file): New hook function.
10484 (cb.ident): Adjust prototype.
10485 (cpp_type2name): Prototype.
10486 * cppmacro.c (dump_macro_args): Correct precedence lossage.
10488 * cppmain.c (cb_ident): Update for changed interface.
10489 (cb_rename_file): New function.
10490 (main): Set rename callback.
10492 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
10494 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
10495 multi-word registers.
10497 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10499 * c-common.c (combine_strings, check_format_info): Refer to ISO C
10500 or ISO C89 instead of ANSI C.
10501 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
10502 build_enumerator, do_case): Likewise.
10503 * c-lex.c (parse_float, yylex): Likewise.
10504 * c-parse.in: Likewise.
10505 * c-typeck.c (common_type, build_array_ref, build_binary_op,
10506 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
10507 build_c_cast, convert_for_assignment, set_init_index,
10508 set_init_label, c_expand_start_case): Likewise.
10509 * toplev.c (documented_lang_options, display_help): Likewise.
10511 2000-08-08 Kazu Hirata <kazu@hxi.com>
10513 * h8300.c: Fix formatting.
10514 * h8300.h: Likewise.
10515 * h8300.md: Likewise.
10516 (movsi_h8300hs): Fix formatting of the resulting assembly code.
10518 * reload1.c: Fix formatting.
10520 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
10522 * alpha/alpha.c (alpha_emit_xfloating_libcall):
10523 Use GEN_CALL_VALUE define.
10524 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
10525 * clipper/clipper.md (untyped_call): Likewise.
10526 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
10527 * fx80/fx80.md (untyped_call): Likewise.
10528 * mips/mips.md (untyped_call): Likewise.
10529 * ns32k/ns32k.md (untyped_call): Likewise.
10530 * pa/pa.md (untyped_call): Likewise.
10531 * romp/romp.md (untyped_call): Likewise.
10532 * sparc/sparc.md (untyped_call): Likewise.
10534 2000-08-08 Jason Eckhardt <jle@cygnus.com>
10536 * config/i860/i860.c (singlemove_string): Do not generate assembler
10537 pseudo instructions that must be expanded (that is, with signed
10538 constants larger than 16 bits).
10540 2000-08-08 Richard Henderson <rth@cygnus.com>
10542 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
10543 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
10544 (init_propagate_block_info): Don't kill memory stores at -O0.
10545 (mark_set_1, mark_used_regs): Likewise.
10547 2000-08-08 David Edelsohn <edelsohn@gnu.org>
10549 * rs6000.c (optimization_options): Decorate 'level' as
10551 (mask64_operand): Remove sign-extend thinko.
10552 (rldic_operand): New function.
10553 (load_multiple_operation): regno's are unsigned ints.
10554 (store_multiple_operation): Likewise.
10555 (lmw_operation): Likewise.
10556 (stmw_operation): Likewise.
10557 (includes_lshift_p): shift_mask is unsigned int.
10558 (includes_lshift64_p): New function.
10559 (addrs_ok_for_quad_peep): unsigned int reg1.
10560 (print_operand): Consistently add "else" after
10561 output_operand_lossage().
10562 (print_operand, case 'b'): Fold in case 'W'.
10563 (print_operand, case 'W'): Print rldic MB value.
10564 (output_epilogue): Update Objective-C language string.
10565 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
10566 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
10567 * rs6000.md (ashldi3): Add rldic instruction.
10568 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
10569 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
10572 2000-08-08 Richard Henderson <rth@cygnus.com>
10574 * config/ia64/ia64-protos.h: Remove duplicates. Update
10575 for massive code rearrangements.
10576 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
10577 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
10578 (ia64_local_regs, ia64_need_regstk): Remove.
10579 (ar_ccv_reg_operand): New.
10580 (ia64_gp_save_reg): New.
10581 (struct ia64_frame_info): Combine most of the size elements;
10582 add new gr save elements.
10583 (find_gr_spill): New.
10584 (next_scratch_gr_reg): New.
10585 (mark_reg_gr_used_mask): New.
10586 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
10587 to GR backing store regs when possible.
10588 (ia64_initial_elimination_offset): New.
10589 (ia64_rap_fp_offset): Remove.
10590 (save_restore_insns): Remove.
10591 (setup_spill_pointers): New.
10592 (finish_spill_pointers): New.
10593 (spill_restore_mem): New.
10594 (do_spill, do_restore): New.
10595 (ia64_expand_prologue): Rewrite to use them.
10596 (ia64_expand_epilogue): Likewise.
10597 (ia64_direct_return): Update for current_frame_info changes.
10598 (ia64_function_prologue): Simplify .prologue emission. Emit
10599 .spill when needed.
10600 (ia64_setup_incoming_varargs): Don't ever emit rtl.
10601 (ia64_dbx_register_number): New.
10602 (ia64_initialize_trampoline): New.
10603 (ia64_secondary_reload_class): Request GR_REGS for integer
10604 arithmetic destined for FR_REGS.
10605 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
10606 (ia64_mark_machine_status): Mark ia64_gp_save.
10607 (rws_access_regno): Rename from rws_access_reg; don't treat
10608 predicates specially.
10609 (rws_access_reg): New. Update all callers.
10610 (rtx_needs_barrier): Remove dead unspecs.
10611 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
10612 (ia64_encode_section_info): Silence signed/unsigned warnings.
10613 (spill_offset, sp_offset, spill_offset_emitted): Remove.
10614 (tmp_reg, tmp_saved): Remove.
10615 (process_set): Rewrite to expect complicated bits via
10616 REG_FRAME_RELATED_EXPR.
10617 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
10618 in the use of ar.ccv; never set RTX_UNCHANGING_P.
10619 (ia64_expand_op_and_fetch): Likewise.
10620 (ia64_expand_compare_and_swap): Likewise.
10621 (ia64_expand_builtin): Likewise.
10622 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
10623 (FIRST_PSEUDO_REGISTER): Update.
10624 (AR_M_REGNO_P): Update.
10625 (FIXED_REGS): Don't mark three local registers as used.
10626 (EXTRA_CC_MODES): New.
10627 (SELECT_CC_MODE): New.
10628 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
10629 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
10630 (FRAME_GROWS_DOWNWARD): Unset.
10631 (STARTING_FRAME_OFFSET): Zero.
10632 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
10633 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
10634 (HARD_FRAME_POINTER_REGNUM): New.
10635 (CAN_DEBUG_WITHOUT_FP): Define.
10636 (TRAMPOLINE_TEMPLATE): Remove.
10637 (TRAMPOLINE_SIZE): Lower to 32.
10638 (TRAMPOLINE_ALIGNMENT): Lower to 64.
10639 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
10640 (PREDICATE_CODES): Update.
10641 (struct machine_function): Add ia64_gp_save.
10642 * config/ia64/ia64.md: Purge unused unspecs.
10643 (movsi patterns): Allow moves to/from AR_M_REGS.
10644 (movdi patterns): Allow moves to/from p0.
10645 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
10646 (gr_spill, gr_restore): Indicate ar.unat read/written.
10647 (nonlocal_goto): Don't pass old frame_pointer.
10648 (nonlocal_goto_receiver): Remove.
10649 (exception_receiver): New.
10650 (builtin_setjmp_setup): New.
10651 (builtin_setjmp_receiver): New.
10652 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
10653 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
10654 (__ia64_restore_stack_nonlocal): Likewise.
10655 (__ia64_trampoline): New.
10656 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
10658 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
10660 2000-08-08 Richard Henderson <rth@cygnus.com>
10662 * frame.h (ia64_frame_state): Add my_psp.
10663 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
10664 (__throw): Pass it in. Don't clobber r7.
10665 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
10666 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
10667 and nothing to do with sp.
10668 (normalize_reg_loc): Use frame->my_psp.
10669 (frame_translate): Handle frame-pointer-less functions. Set
10670 spill_base correctly, in absence of being told.
10671 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
10672 (__ia64_backtrace_helper): New sp argument. Use
10673 builtin_return_address instead of label addresses.
10674 (print_record) [mem_stack_v]: No size member.
10676 2000-08-08 Richard Henderson <rth@cygnus.com>
10678 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
10680 2000-08-08 Richard Henderson <rth@cygnus.com>
10682 * tm.texi (LOCAL_REGNO): Document.
10683 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
10684 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
10685 * reload1.c (reload): Likewise when considering nonlocal labels.
10687 * config/ia64/ia64.h (LOCAL_REGNO): New.
10688 * config/sparc/sparc.h (LOCAL_REGNO): New.
10690 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10692 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
10694 2000-08-07 Nick Clifton <nickc@redhat.com>
10696 * config/mips/mips.c: Fix compile time warning messages.
10697 * config/mips/mips-protos.h: Add prototype for equality_op.
10699 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
10701 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
10703 * mn10300.md: Use nonimmediate_operand instead of general_operand
10704 on output operands.
10706 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
10708 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
10710 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
10711 * sh.c (expand_block_move): Break long lines.
10712 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
10713 * sh.md (mulsi3): Likewise.
10714 (movdi): Adjust spacing.
10716 2000-08-07 Richard Henderson <rth@cygnus.com>
10718 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
10719 * expr.c (emit_group_store): Don't set it.
10721 2000-08-07 Kazu Hirata <kazu@hxi.com>
10723 * invoke.texi (Options for Debugging Your Program or GCC): Remove
10724 duplicate entries for 'w' and 'z'.
10726 * flow.c: Fix a comment typo.
10728 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10730 * c-parse.in: Changed the language string for Objective-C to "GNU
10733 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10735 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
10736 to improve the Posix thread support for Objective-C.
10738 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
10740 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
10741 CTI_UNSIGNED_PTRDIFF_TYPE.
10742 (signed_size_type_node): Define.
10743 (unsigned_ptrdiff_type_node): Define.
10744 * c-decl.c (init_decl_processing): Create the
10745 signed_size_type_node and unsigned_ptrdiff_type_node types.
10746 * c-common.c (T_SC): Define.
10749 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
10750 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
10752 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
10753 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
10754 flags for %c, %s and %[.
10755 (check_format_info): Only allow leniency for signedness of targets
10756 of character pointers (when pedantic) for formats flagged with
10757 "c", so for strings but not for %hh formats. When pedantic, don't
10758 allow character pointers to substitute for void pointers if a
10759 second level of indirection is present.
10761 2000-08-06 Kazu Hirata <kazu@hxi.com>
10763 * invoke.texi (Options for Debugging Your Program or GCC): Update
10764 the names of dump files.
10766 * h8300.c (dosize): Rearrange code for conciseness.
10767 (split_adds_subs): Likewise.
10769 * loop.c: Fix formatting.
10771 * dwarf2out.c: Fix formatting.
10773 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
10775 * expr.c: Fix formatting.
10777 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10779 * rs6000.c (rs6000_maybe_dead): Prototype.
10781 2000-08-06 Richard Henderson <rth@cygnus.com>
10783 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
10784 HAVE_nonlocal_goto as well.
10785 * config/i960/i960.md (nonlocal_goto): Don't do it here.
10786 * config/pj/pj.md (nonlocal_goto): Likewise.
10788 2000-08-07 Michael Hayes <mhayes@cygnus.com>
10790 * loop.c (try_swap_copy_prop): New function.
10791 (load_mems): Rename copies to load_copies and add new regset
10792 store_copies. Check for sets of shadow registers and mark
10793 in store_copies. Call try_swap_copy_prop for registers
10794 marked in store_copies.
10796 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10798 * objc/objc-act.c: New command line option -fconstant-string-class
10799 to allow specifying a user defined constant string class,
10800 different from NXConstantString.
10802 * toplev.c: Moved the Objective-C specific options to
10803 objc/lang-options.h.
10805 * objc/lang-options.h: Moved the Objective-C specific options from
10806 toplev.c. Added -fconstant-string-class.
10808 2000-08-05 Chris Demetriou <cgd@sibyte.com>
10810 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10811 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
10812 __CTOR_LIST__ from func_ptr array to just func_ptr, to
10813 avoid extra alignment imposed on arrays.
10814 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10815 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
10817 * mips.h: Clean up comments and spacing near MASKs.
10818 (TARGET_UNIX_ASM): Delete.
10819 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
10820 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
10823 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
10825 * c-common.c (print_char_table): Add entries for the X/Open '
10826 format flag (print decimals with locale's thousands grouping
10827 character). Make %C expect wint_t.
10828 (check_format_info): If pedantic, warn when the %n$ operand
10829 number form is used. Allow for the ' flag; warn about it if
10832 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
10834 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
10835 type is a float mode, cfun->decl's return type is not, and
10836 TARGET_FLOAT_RETURNS_IN_80387.
10838 2000-08-04 Andreas Schwab <schwab@suse.de>
10840 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
10841 token list, which are always `#' and `pragma'.
10843 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
10845 * tree.c (tree_expr_nonnegative_p): Move to...
10846 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
10847 (rtl_expr_nonnegative_p): New.
10848 * tree.h: Add prototype for rtl_expr_nonnegative_p.
10850 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
10851 CONST_DOUBLE_CHAIN: Move to...
10852 * rtl.h: ...here. Use XCINT/XCEXP.
10854 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
10855 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
10856 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
10859 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
10861 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10863 * config/c4x/c4x.md (return_indirect_internal): New.
10864 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
10866 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10868 * c-common.c (time_char_table): Mark up formats added in C99 and
10869 make other corrections. %D and %g were added in C99. %Og is an
10870 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
10871 C99. %e was added in C99. %Oj is an extension. %G and %z are in
10872 C99 rather than GNU extensions, but %OG and %Oz are extensions.
10873 %h was added in C99. %C was added in C99. %OY and %OC are
10874 extensions. Add the C99 format %F.
10875 (check_format_info): If pedantic and not in C99 mode, warn for C99
10876 formats, %E and %O.
10878 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10880 * function.c (schedule_fixup_var_refs): New function, broken out
10881 of put_reg_into_stack.
10882 (put_reg_into_stack): Use it.
10883 (put_var_into_stack): In CONCAT case, fixup up references for
10884 components only after fixing up references to the whole concat.
10886 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
10888 * alias.c (mark_constant_function): Use INSN_P.
10889 (init_alias_analysis): Likewise.
10890 * combine.c (combine_instructions): Use INSN_P.
10891 (can_combine_p): Likewise.
10892 (try_combine): Likewise.
10893 (distribute_notes): Likewise.
10894 (distribute_links): Likewise.
10895 * cse.c (cse_around_loop): Use INSN_P.
10896 (invalidate_skipped_block): Likewise.
10897 (cse_set_around_loop): Likewise.
10898 (cse_end_of_basic_block): Likewise.
10899 (delete_trivially_dead_insns): Likewise.
10900 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
10901 (unshare_all_rtl_1): Likewise.
10902 (next_cc0_user): Likewise.
10903 (try_split make_insn_raw): Likewise.
10904 (remove_unnecessary_notes): Likewise.
10905 * final.c (shorten_branches): Use INSN_P.
10906 (leaf_renumber_regs): Likewise.
10907 (leaf_renumber_regs_insn): Likewise.
10908 * flow.c (find_label_refs): Use INSN_P.
10909 (verify_wide_reg): Likewise.
10910 (notice_stack_pointer_modification): Likewise.
10911 (count_or_remove_death_notes): Likewise.
10912 (verify_flow_info): Likewise.
10913 (clear_log_links): Likewise.
10914 * function.c (fixup_var_refs_insns): Use INSN_P.
10915 (compute_insns_for_mem): Likewise.
10916 * gcse.c (alloc_gcse_mem): Use INSN_P.
10917 (compute_sets): Likewise.
10918 (compute_hash_table): Likewise.
10919 (classic_gcse): Likewise.
10921 (insert_insn_end_bb): Likewise.
10922 (delete_null_pointer_checks_1): Likewise.
10923 * global.c (expand_preferences): Use INSN_P.
10924 (build_insn_chain): Likewise.
10925 * graph.c (node_data): Use INSN_P.
10926 * haifa-sched.c (priority): Use INSN_P.
10927 (rm_line_notes): Likewise.
10928 (rm_other_notes): Likewise.
10929 (find_insn_reg_weight): Likewise.
10930 (init_target_units): Likewise.
10931 (schedule_block): Likewise.
10932 (compute_block_forward_dependences): Likewise.
10933 (debug_dependencies): Likewise.
10934 (set_priorities): Likewise.
10935 * integrate.c (function_cannot_inline_p): Use INSN_P.
10936 (save_parm_insns): Likewise.
10937 (copy_insn_list): Likewise.
10938 * jump.c (mark_all_labels): Use INSN_P.
10939 (never_reached_warning): Likewise.
10940 * lcm.c (optimize_mode_switching): Use INSN_P.
10941 * local-alloc.c (validate_equiv_mem): Use INSN_P.
10942 (memref_used_between_p): Likewise.
10943 (update_equiv_regs): Likewise.
10944 (block_alloc): Likewise.
10945 (no_conflict_p): Likewise.
10946 * loop.c (scan_loop): Use INSN_P.
10947 (find_and_verify_loops): Likewise.
10948 (count_loop_regs_set): Likewise.
10949 (loop_reg_used_before_p): Likewise.
10950 (strength_reduce): Likewise.
10951 (recombine_givs): Likewise.
10952 (check_dbra_loop): Likewise.
10953 (load_mems): Likewise.
10954 (try_copy_prop): Likewise.
10955 * print-rtl.c (print_rtx): Use INSN_P.
10956 * recog.c (find_single_use): Use INSN_P.
10957 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
10958 (next_flags_user): Likewise.
10959 (swap_rtx_condition): Likewise.
10960 * regmove.c (mark_flags_life_zones): Use INSN_P.
10961 (optimize_reg_copy_1): Likewise.
10962 (optimize_reg_copy_2): Likewise.
10963 (optimize_reg_copy_3): Likewise.
10964 (reg_is_remote_constant_p): Likewise.
10965 (fixup_match_2): Likewise.
10966 (regmove_optimize): Likewise.
10967 (fixup_match_1): Likewise.
10968 * regrename.c (build_def_use): Use INSN_P.
10969 (replace_reg_in_block): Likewise.
10970 (consider_use): Likewise.
10971 * reload.c (find_equiv_reg): Use INSN_P.
10972 * reload1.c (reload): Use INSN_P.
10973 (maybe_fix_stack_asms): Likewise.
10974 (calculate_needs_all_insns): Likewise.
10975 (reload_as_needed): Likewise.
10976 (emit_output_reload_insns): Likewise.
10977 (delete_address_reloads_1): Likewise.
10978 (reload_cse_regs_1): Likewise.
10979 (reload_combine): Likewise.
10980 (reload_cse_move2add): Likewise.
10981 * reorg.c (redundant_insn): Use INSN_P.
10982 (dbr_schedule): Likewise.
10983 * resource.c (find_dead_or_set_registers): Use INSN_P.
10984 (mark_target_live_regs): Likewise.
10985 * rtlanal.c (reg_used_between_p): Use INSN_P.
10986 (reg_referenced_between_p): Likewise.
10987 (reg_set_between_p): Likewise.
10988 (reg_set_p): Likewise.
10989 (single_set): Likewise.
10990 (multiple_sets): Likewise.
10991 (find_last_value): Likewise.
10992 (reg_set_last): Likewise.
10993 (find_reg_note): Likewise.
10994 (find_regno_note): Likewise.
10995 * sibcall.c (sequence_uses_addressof): Use INSN_P.
10996 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
10997 * ssa.c (find_evaluations): Use INSN_P.
10998 (rename_block): Likewise.
10999 (rename_equivalent_regs): Likewise.
11000 * unroll.c (loop_find_equiv_value): Use INSN_P.
11001 (set_dominates_use): Likewise.
11002 * varasm.c (mark_constant_pool): Use INSN_P.
11003 (mark_constants): Likewise.
11004 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
11005 (alphaev4_next_group): Likewise.
11006 (alphaev5_next_group): Likewise.
11007 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
11008 (c4x_rptb_rpts_p): Likewise.
11009 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
11010 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
11011 (rs6000_adjust_priority): Likewise.
11012 * config/sh/sh.c (sh_loop_align): Use INSN_P.
11013 (machine_dependent_reorg): Likewise.
11014 (split_branches): Likewise.
11015 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
11017 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
11019 * combine.c (recog_for_combine): Remove the old notes
11020 prior to attempting to recognize the new pattern.
11021 (distribute_notes): Ignore REG_NONNEG notes.
11023 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
11025 * varasm.c (output_constructor): Add .align 0 for packed vars.
11027 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11029 * configure.in: Use default thread_file even when enable_threads is
11030 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
11031 * configure: Rebuilt.
11033 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
11035 2000-08-04 Donn Terry (donnte@microsoft.com)
11037 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
11039 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11041 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
11042 Delete code that conditionally modifies 'version'.
11043 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
11044 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
11045 * gcc.c (main): Use it.
11046 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
11047 * prefix.c (update_path): Use it.
11048 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
11049 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
11050 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
11052 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
11053 (SUBTARGET_SWITCHES): Adjust.
11054 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
11056 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
11058 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11060 * c-common.h (flag_isoc94): Declare.
11061 * c-decl.c (flag_isoc94): Define.
11062 (c_decode_option): Set flag_isoc94 as appropriate.
11063 * c-common.c (T_PD, T_IM, T_UIM): Define.
11064 (format_char_info): Add tlen and jlen.
11065 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
11067 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
11069 (time_char_table): Add NULL entries for %t and %j.
11070 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
11071 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
11072 Warn for printf %lf if pedantic and not C99. Don't warn for empty
11073 precision. Allow precision argument to be unsigned int. If
11074 pedantic, warn for %p passed an argument not a pointer to possibly
11075 qualified void or a possibly qualified character type, and for
11076 pointer targets of the wrong sign, except for character pointers.
11078 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11080 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
11081 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
11082 (wint_type_node): Define.
11083 * c-decl.c (WINT_TYPE): Define.
11084 (init_decl_processing): Create the wint_type_node type.
11085 * c-common.c (T_WI): Define.
11086 (print_char_table): Use T_WI for %lc format.
11088 2000-08-04 Bruce Korb <bkorb@gnu.org>
11090 * fixinc/: Verified that the MSDOS patch does not break
11091 the UNIX functionality and applied the next three patches
11094 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
11096 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
11097 output file with the temporary one by appending ".X" to generate
11098 the temporary fuile's name. If the output file already has an
11099 extension, replace it with ".X".
11101 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
11102 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
11103 reallocate the command buffer while copying the command-line
11104 argument. Redirect the output directly to the temporary file,
11105 instead of going through another temporary file.
11106 (process): Close the temporary file before unlinking it.
11107 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
11108 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
11109 (run_compiles): Pass p_fixd argument to machine_matches, as it
11112 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
11113 environment, assume there are no symlinks in the include
11114 directory. When cleaning up the DONE files, look for them
11115 case-insensitively. Don't try to remove symlinks if they aren't
11118 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
11119 all callers changed. Declare pz "const char *", to avoid compiler
11122 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
11123 Change prototype of make_raw_shell_str.
11125 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
11127 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
11128 (initialize) [__MSDOS__]: Use tempnam.
11129 (initialize): Don't use SIGPIPE if it is not defined.
11131 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
11134 2000-07-25 Bruce Korb <bkorb@gnu.org>
11136 * fixinc/fix*.[ch]: substantially reworked to make it possible
11137 to run this program without using fork(2) or pipe(2) (i.e. in
11138 a DOS environment).
11140 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
11142 * cppdefault.h (WINT_TYPE): Define.
11143 * cppinit.c (builtin_array): Define __WINT_TYPE__.
11144 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
11145 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
11147 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
11149 * (mips_legitimate_address_p): Don't allow register+offset
11150 if the offset is large and negative, and we are compiling
11151 for 64 bit registers.
11153 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11155 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
11156 insn_code_number + 1.
11158 2000-08-04 Kazu Hirata <kazu@hxi.com>
11160 * h8300.c (function_prologue): Rearrange code for conciseness.
11161 (function_epilogue): Likewise.
11162 * h8300.h (OK_FOR_U): Fix formatting.
11164 * cse.c: Fix a comment typo. Fix formatting.
11166 2000-08-03 Richard Henderson <rth@cygnus.com>
11168 * config/i386/i386.md (return_indirect_internal): New.
11169 * config/i386/i386.c (ix86_expand_epilogue): Use it.
11171 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
11173 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
11175 (lex_line): Glue @ onto the beginning of identifiers and
11176 string constants, in Objective-C mode.
11177 (output_token, spell_token): Handle CPP_OSTRING.
11178 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
11179 beginning of a NAME or a STRING, in objc mode.
11181 * cpplib.c (get_define_node): Do not permit identifiers that
11182 begin with @ to be #defined.
11183 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
11184 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
11186 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
11187 * c-tree.h (build_objc_string): Delete prototype.
11188 * objc/objc-tree.def: Delete OBJC_STRING_CST.
11189 * c-lex.c (yylex): Use build_string for all three kinds of strings.
11191 * c-parse.in, objc/objc-act.c: Update commentary.
11193 2000-08-03 Mark Mitchell <mark@codesourcery.com>
11195 * extend.texi: Fix typo in last change.
11197 * extend.texi: Add commentary on statement-expressions and their
11198 interactions with C++.
11200 2000-08-03 Nick Clifton <nickc@cygnus.com>
11202 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
11203 * dwarf.h (LANG_JAVA): Change value to 0x000b.
11205 2000-08-03 Anthony Green <green@cygnus.com>
11207 * dwarf2out.c (gen_compile_unit_die): Add java language support.
11208 (add_bound_info): Check for java language.
11209 (is_java): New function.
11210 * dwarfout.c (output_compile_unit_die): Ditto.
11211 * dwarf.h (dwarf_source_language): Add java source language type.
11212 * dwarf2.h (dwarf_source_language): Ditto.
11214 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11216 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
11219 * i386.c (ix86_expand_branch): Mode of comparison in
11220 IF_THEN_ELSE is VOIDmode.
11222 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
11224 * gengenrtl.c, rtl.c: Avoid #elif.
11226 2000-08-03 Michael Poole <poole@troilus.org>
11228 * tm.texi (Register Classes): Clarify order of sub-initializers
11229 in REG_CLASS_CONTENTS.
11231 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11233 From SAITOH Masanobu:
11234 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
11236 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
11238 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
11239 is not supported by tradcpp and isn't actually needed for cygwin.
11241 2000-08-03 Kazu Hirata <kazu@hxi.com>
11243 * h8300.c: Fix a comment typo.
11244 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
11246 * jump.c: Fix formatting.
11248 * toplev.c: Fix formatting.
11250 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
11252 * flow.c (find_auto_inc): Verify that we've got a REG before
11253 peeking at its regno. Fail, don't abort if we can't find
11254 the increment of the desired register.
11256 * pa.md (shadd height reduction patterns/splitters): Remove.
11258 2000-08-02 Jim Wilson <wilson@cygnus.com>
11260 * config/ia64/ia64-protos.h (flag_ssa): Declare.
11261 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
11263 2000-08-02 Mark Mitchell <mark@codesourcery.com>
11265 * dce.c: Remove all uses of assert.
11266 * dwarf2out.c: Likewise.
11267 * dwarfout.c: Likewise.
11270 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11272 * gcc.h (lang_specific_driver): Constify second argument.
11273 * gcc.c (translate_options, process_command, main): Likewise.
11274 Constify variables to match. Cast second argument to
11277 * cppspec.c, gccspec.c: Adjust type of second argument to
11278 lang_specific_driver, and update code as necessary.
11280 2000-08-02 Jakub Jelinek <jakub@redhat.com>
11282 * loop.c (scan_loop): Ensure update_end label does not
11283 go away until reg_scan_update is run.
11285 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11287 * c-common.h: Prototype min_precision and c_build_qualified_type here...
11288 * c-tree.h: ... not here.
11289 * errors.h: Prototype fancy_abort.
11291 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
11292 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
11293 * regrename.c (regrename_optimize): Make control flow explicit.
11294 (replace_reg_in_block): Initialize reg_use to 0.
11296 * i386.c (legitimate_address_p): Rename error label to
11297 report_error to avoid namespace clash.
11299 2000-08-02 Kazu Hirata <kazu@hxi.com>
11301 * fold-const.c: Fix formatting.
11303 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
11305 * i386.c (legitimate_address_p): Accept other bases than
11306 pic_offset_table_rtx for GOTOFF constructs.
11308 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11310 * i386.md (shift to lea splitter): Use const_int_operand.
11312 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
11314 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
11315 cppspec.c: Do not use 'legal' or 'illegal' in error messages
11318 * cppmain.c (cb_define, cb_undef): Don't generate any output
11319 if not done_initializing.
11320 * cpplex.c (maybe_paste_with_next): When the token after a ##
11321 is an omitted rest argument, only delete the token before it
11322 if that token is a comma. Do not warn about bogus token
11323 pastes for , ## rest_arg.
11325 * cpp.texi: Update.
11326 * cpp.1: Regenerate.
11328 2000-08-02 Fred Fish <fnf@be.com>
11330 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
11331 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
11334 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
11335 Be directories to search path.
11337 Remove support for __declspec(dllimport) and __declspec(dllexport).
11338 This is leftover cruft from the earlier BeOS gcc port when BeOS
11339 used Microsoft's PE object file format.
11340 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
11341 * config/i386/t-beos (winnt.o): Remove Makefile frag.
11342 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
11343 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
11344 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
11345 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
11346 (REDO_SECTION_INFO_P): Remove.
11347 (ASM_EXPORT_DECL): Remove.
11348 (ASM_DECLARE_FUNCTION_NAME): Remove.
11349 (ASM_DECLARE_OBJECT_NAME): Remove.
11350 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
11351 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
11352 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
11353 (STRIP_NAME_ENCODING): Remove.
11355 Remove support for obsolete version of BeOS that is no longer
11357 * configure.in (i*86-*-beospe*): Remove.
11358 * config/i386/beos-pe.h: Remove.
11360 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
11361 Mark Mitchell <mark@codesourcery.com>
11363 * Makefile.in (OBJS): Added dce.o.
11364 (ssa.o): Updated target to include ssa.h.
11365 (flow.o): Likewise.
11366 (toplev.o): Likewise.
11367 (dce.o): Created target.
11368 * basic-block.h: Added comments.
11369 (INVALID_BLOCK): Added definition.
11370 (connect_infinite_loops_to_exit): Added declaration.
11371 Moved SSA declarations to ssa.h.
11372 * flow.c: Added inclusion of ssa.h.
11373 (struct depth_first_search_dsS, depth_first_search_ds):
11375 (compute_immediate_postdominators): Added definition.
11376 (connect_infinite_loops_to_exit): Likewise.
11377 (flow_dfs_compute_reverse_init): Likewise.
11378 (flow_dfs_compute_reverse_add_bb): Likewise.
11379 (flow_dfs_compute_reverse_execute): Likewise.
11380 (flow_dfs_compute_reverse_finish): Likewise.
11381 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
11382 (LABEL_P): Added definition.
11383 (JUMP_P): Likewise.
11384 (NOTE_P): Likewise.
11385 (BARRIER_P): Likewise.
11386 (JUMP_TABLE_DATA_P): Likewise.
11387 (INSN_DEAD_CODE_P): Likewise.
11388 * ssa.c: Replaced inclusions with ssa.h inclusion.
11389 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
11390 (rename_registers): Removed unnecessary variables.
11391 * ssa.h: Created by moving declarations from ssa.c and
11393 * timevar.def: Defined TV_DEAD_CODE_ELIM.
11394 * toplev.c: Added ssa.h inclusion.
11395 (dump_file_index): Added DFI_dce.
11396 (dump_file): Added "dce" entry.
11398 (f_options): Added dce entry.
11399 * invoke.texi: Document -fdce. Emphasize experimental status of
11403 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
11405 * cpperror.c (v_message): Split into _cpp_begin_message and
11406 v_message macro. All callers updated.
11407 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
11410 * cppfiles.c (cpp_syshdr_flags): New function.
11411 (read_include_file): Don't call cpp_output_tokens. Call
11413 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
11414 (cpp_reader_init): Don't initialize token_buffer. Call
11415 _cpp_init_internal_pragmas.
11416 (cpp_cleanup): Don't clear token_buffer.
11417 (cpp_start_read): Don't worry about output from -D processing.
11418 Don't call cpp_output_tokens.
11419 (cpp_finish): Don't dump macros here. Don't call
11421 * cppmacro.c (_cpp_dump_definition): Rename
11422 cpp_dump_definition. Write directly to a FILE *.
11423 (dump_funlike_macro): Delete.
11424 (dump_macro_args): New.
11426 * cpplex.c (TOKEN_LEN): Convert to inline function.
11427 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
11428 cpp_scan_line, _cpp_dump_list): Delete.
11429 (cpp_printf, cpp_output_list): New.
11430 (output_line_command): Don't worry about entering or leaving files.
11431 (cpp_scan_buffer): Just output each token as we hit it.
11432 (process_directive): Don't call cpp_output_tokens.
11433 (_cpp_glue_header_name): Don't use token_buffer.
11434 (output_token, dump_param_spelling): Write directly to a FILE *.
11436 * cpplib.c (pass_thru_directive, dump_macro_name,
11437 pragma_dispatch, do_pragma_gcc): Delete.
11438 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
11439 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
11441 (do_error, do_warning, pragma_dependency): Call
11442 _cpp_begin_message, then cpp_output_list.
11443 (cpp_register_pragma, cpp_register_pragma_space,
11444 _cpp_init_internal_pragmas): New.
11445 (do_pragma): Walk the pragmas table here.
11446 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
11447 do_pragma_dependency): Return void.
11448 (do_pragma_implementation): Moved to cppmain.c.
11450 * cpplib.h: Update prototypes.
11451 (struct cpp_reader): Remove printer, token_buffer,
11452 token_buffer_size, and limit. Add struct cb, and pragmas.
11453 (struct cpp_printer): Remove last_id and written.
11454 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
11455 CPP_ADJUST_WRITTEN): Delete.
11456 * cpphash.h: Update prototypes.
11457 (ufputs): New wrapper.
11459 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
11460 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
11461 (main): Set up callbacks. Register #pragma implementation.
11462 Dump macros from here.
11464 2000-08-01 Geoff Keating <geoffk@cygnus.com>
11466 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
11467 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
11468 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
11469 insns if they have a REG_MAYBE_DEAD note attached.
11470 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
11471 (rs6000_emit_load_toc_table): TOC loads may go dead.
11473 2000-08-01 Jim Wilson <wilson@cygnus.com>
11475 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
11476 type exists before using it. Use number of words as alignment
11478 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
11479 ia64_va_arg): Propagate ia64_function_args changes here.
11481 2000-08-01 Richard Henderson <rth@cygnus.com>
11483 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
11484 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
11486 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
11488 From Joern Rennecke:
11489 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
11490 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
11491 unless TARGET_SH3E is set.
11492 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
11494 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
11495 (ashlsi3_std): New pattern.
11496 (ashlsi3 expander): Use it for TARGET_SH3.
11497 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
11499 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11501 * loop.c (canonicalize_condition): Use destination, not source to
11502 determine SET's mode.
11504 2000-07-31 Mark Mitchell <mark@codesourcery.com>
11506 * flow.c (clear_log_links): Fix typo.
11508 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
11510 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
11511 on targets which need more than one insn for a compare/cbranch
11514 2000-07-31 Jim Wilson <wilson@cygnus.com>
11516 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
11517 when computing offset.
11519 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
11521 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
11523 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11525 * flow.c (clear_log_links): Nuke global_live_at_start and
11526 global_live_at_end data, since if the log_links stuff is invalid
11527 so is global_live_at_*.
11529 2000-07-31 Richard Henderson <rth@cygnus.com>
11531 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
11533 2000-07-31 Jakub Jelinek <jakub@redhat.com>
11535 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
11536 (_cpp_get_token): Don't macro expand a just pasted token if it
11537 was pasted at no_expand_level.
11539 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11541 * cppmacro.c (find_param, count_params, save_expansion):
11542 Permit 'defined' as a macro parameter name.
11544 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11546 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
11547 xcpp to cpp throughout.
11548 (native): Remove unnecessary dependency on cpp.
11550 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
11551 tradcpp to tradcpp0.
11552 (.i spec): Add missing output-file spec to cc1 command line.
11553 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
11555 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
11557 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
11558 (implicit_decl_warning): New function.
11559 (implicitly_declare): Use it.
11560 * c-typeck.c (build_external_ref): Use implicit_decl_warning
11561 to complain about implicit decls of builtins.
11563 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
11564 based on pedantic && flag_isoc99, if not already set.
11565 * c-tree.h: Declare mesg_implicit_function_declaration.
11566 Prototype implicit_decl_warning.
11568 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
11570 * Makefile.in (ssa.o): Updated header files in dependences.
11571 * basic-block.h: Added compute_immediate_postdominators declaration.
11572 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
11574 * flow.c (compute_immediate_dominators): Updated comment.
11575 (compute_immediate_postdominators): Added definition.
11576 * rtl.h (HARD_REGISTER_P): Added definition.
11577 * ssa.c: Include additional header files.
11578 (assert): Added definition.
11579 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
11580 include select hard registers.
11581 (ssa_rename_to_insert): Likewise.
11582 (ssa_rename_from_initialize): Likewise.
11583 (ssa_rename_from_lookup): Likewise.
11584 (original_register): Likewise.
11585 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
11586 include select hard reigsters.
11587 (ssa_rename_from_traverse): Likewise.
11588 (ssa_rename_from_free): Likewise.
11589 (ssa_rename_from_print): Likewise.
11590 (ssa_rename_from_print_1): Likewise.
11591 (ssa_rename_from_hash_function): Likewise.
11592 (ssa_rename_from_equal): Likewise.
11593 (ssa_rename_from_delete): Likewise.
11594 (simplify_to_immediate_dominators): Removed in favor of
11595 flow.c:compute_immediate_dominators.
11596 (find_evaluations_1): Modified to work with hard registers.
11597 (insert_phi_node): Likewise.
11598 (insert_phi_nodes): Likewise.
11599 (struct rename_set_data): Updated prev_reg comment.
11600 (create_delayed_rename): Modified to work with hard registers.
11601 (RENAME_NO_RTX): Updated comment.
11602 (apply_delayed_renames): Modified to work with hard registers.
11603 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
11604 (rename_block): Updated to use revised ssa_rename_to interface.
11605 (rename_registers): Updated to use revised ssa_rename_to and
11606 ssa_rename_from interface.
11607 (convert_to_ssa): Revised to use compute_immediate_dominators and
11608 deal with hard registers.
11609 (make_regs_equivalent_over_bad_edges): Modified to work with hard
11610 registers. Added check for illegal unification of hard register.
11611 (make_equivalent_phi_alternatives_equivalent): Modified to work
11612 with hard registers.
11613 (compute_conservative_reg_partition): Likewise.
11614 (coalesce_if_unconflicting): Modified to work with hard registers
11615 and check for conflicting hard registers.
11616 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
11618 (rename_equivalent_regs_in_insn): Modified to work with hard
11620 (record_canonical_element_1): Added definition.
11621 (check_hard_regs_in_partition): Added definition.
11622 (convert_from_ssa): Added data structure deallocation and check
11623 for illegal hard register unification.
11624 (conflict_hard_regs_p): Added definition.
11625 * toplev.c (rest_of_compilation): Added comment.
11627 2000-07-31 Anthony Green <green@redhat.com>
11629 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
11631 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
11633 * builtins.c (expand_builtin_apply): Don't defer pop during
11636 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11638 * calls.c (combine_pending_stack_adjustment_and_call): Only use
11639 preferred_unit_stack_boundary when it is > 1.
11641 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
11643 * c-common.c (init_function_format_info): Add C99 format functions
11646 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
11647 void' or 'register void' as being the special case of 'void' alone
11648 in a parameter list.
11650 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
11651 discarding qualifiers into a plain warning.
11653 2000-07-31 Kazu Hirata <kazu@hxi.com>
11655 * combine.c: Fix formatting.
11657 * h8300.md: Fix formatting.
11659 * local-alloc.c: Fix formatting.
11661 * h8300.c (get_shift_alg): Remove the variable alg.
11662 (emit_a_shift): Rearrange code to improve readability.
11664 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
11666 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
11667 HImode on all architectures and a combination of HImode and SImode
11668 on H8/300H and H8/S.
11670 * h8300.c (split_adds_subs): Rearrange code for conciseness.
11672 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
11674 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
11675 in my last checkin.
11677 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
11679 * recog.c (extract_insn): Set operand_mode according to
11680 operand if match_operand is VOIDmode.
11682 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
11684 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
11686 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11688 * c-parse.in (extdefs): Call ggc_collect between external
11691 2000-07-30 Michael Hayes <mhayes@cygnus.com>
11692 Richard Henderson <rth@cygnus.com>
11694 * Makefile.in (OBJS): Add doloop.o.
11695 * doloop.c: New file.
11697 * final.c (insn_current_reference_address): Return 0 before final.
11698 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
11699 * jump.c (any_uncondjump_p): Likewise.
11700 * loop.c (indirect_jump_in_function): Make static.
11701 (strength_reduce): Call doloop_optimize.
11702 (insert_bct, instrument_loop_bct): Remove.
11703 * loop.h (doloop_optimize): Prototype.
11704 * recog.c (split_all_insns): Split all INSN_P.
11705 * toplev.c (flag_branch_on_count_reg): Default on.
11707 * config/c4x/c4x.c (c4x_optimization_options): Don't set
11708 flag_branch_on_count_reg.
11709 * config/i386/i386.c (override_options): Likewise.
11710 * config/rs6000/rs6000.c (optimization_options): Likewise.
11712 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
11714 (dbra_ge): Remove, as well as all it's splitters.
11716 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
11719 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
11720 (ia64_register_move_cost): Declare.
11721 * config/ia64/ia64.c (ar_lc_reg_operand): New.
11722 (struct ia64_frame_info): Add ar_size.
11723 (ia64_compute_frame_size): Set it.
11724 (save_restore_insns): Save and restore ar.lc.
11725 (ia64_register_move_cost): New, moved from header file. Handle
11726 application registers.
11727 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
11728 (emit_insn_group_barriers): Special case doloop_end_internal.
11729 (ia64_epilogue_uses): Mark ar.lc live at end.
11730 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
11731 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
11732 (FIRST_PSEUDO_REGISTER): Make room.
11733 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
11734 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
11735 (REG_ALLOC_ORDER): Update.
11736 (HARD_REGNO_MODE_OK): Update.
11737 (REGISTER_NAMES): Update.
11738 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
11739 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
11740 (REGNO_REG_CLASS): Update.
11741 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
11742 (REGISTER_MOVE_COST): Move out of line.
11743 (PREDICATE_CODES): Update.
11744 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
11745 (addsi3_plus1_alt, adddi3_plus1_alt): New.
11746 (shladd_elim splitter): Allow constants in the predicate.
11747 (doloop_end, doloop_end_internal): New.
11749 2000-07-30 Richard Henderson <rth@cygnus.com>
11751 * genattrtab.c (struct insn_def): Add lineno member.
11752 (struct insn_ent): Likewise.
11753 (struct attr_desc): Likewise.
11754 (struct delay_desc): Likewise.
11755 (struct function_unit_op): Likewise.
11756 (struct function_unit): Likewise.
11757 (check_attr_value): Use message_with_line.
11758 (check_defs): Likewise.
11759 (expand_units): Likewise.
11760 (check_attr_test): Take a lineno argument.
11761 (gen_attr): Likewise.
11762 (gen_insn): Likewise.
11763 (gen_delay): Likewise.
11764 (gen_unit): Likewise.
11765 (main): Give it to them.
11766 (convert_set_attr_alternative): Take an insn_def argument
11767 instead of num_alt and insn_index.
11768 (convert_set_attr): Likewise.
11769 (write_test_expr): Protect INSN_ADDRESSES load
11770 with INSN_ADDRESSES_SET_P.
11772 2000-07-30 Richard Henderson <rth@cygnus.com>
11774 * flow.c (init_propagate_block_info): Use pc_set.
11776 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11778 * i386.md (*lea_general_[123]) New insns and splits.
11779 (addsi3 to lea splitter): Handle other modes too.
11780 (shlsi3 to lea splitter): Likewise.
11781 (addhi_1_lea, shlhi_1_lea): New patterns.
11782 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
11784 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11786 * recog.c (general_operand, nonimmediate_operand): Accept
11787 any mode for VOIDmode CONSTANT_P operands.
11789 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11791 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
11792 instead of replace_rtx.
11793 * recog.c (validate_replace_rtx_subexp): New function.
11794 * recog.h (validate_replace_rtx_subexp): Declare.
11796 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11798 * combine.c (simplify_set, make_extraction, make_compound_operation
11799 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
11800 as force_to_mode argument.
11802 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
11804 * combine.c (if_then_else_cond): Be sure that mode fits in
11807 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
11809 * combine.c (record_promoted_value): Allow bitsize of mode
11810 to be equivalent to HOST_BITS_PER_WISE_INT.
11812 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11814 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
11815 Do not call gen_mode_alignment when mode is BLKmode.
11817 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
11819 * loop.c (express_from_1): Fix call of simplify_gen_binary.
11821 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
11823 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
11824 VOIDmode implies both operands to be VOIDmode.
11825 (simplify_ternary_operation): Compute properly the mode of comparison.
11826 * combine.c (combine_simplify_rtx): Likewise.
11828 2000-07-25 Michael Hayes <mph@paradise.net.nz>
11830 * basic-block.h (struct loops): New field rc_order.
11831 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
11832 (flow_loops_free): Free rc_order.
11833 (flow_depth_first_order_compute): New parameter rc_order.
11834 (flow_loops_find): Allocate rc_order and swap usage with
11837 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11838 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11840 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
11841 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
11842 (nodb_call, return_from_epilogue): Likewise.
11843 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
11844 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
11845 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
11846 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11847 (c4x_valid_type_attribute_p): Likewise.
11848 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
11849 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
11851 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11853 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
11854 and loadhi_big_constant if applicable.
11855 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
11856 and add new splitter.s
11858 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11860 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
11862 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11864 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
11866 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11868 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
11870 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11872 * config/c4x/libgcc.S (divqf3): Improve accuracy.
11874 2000-07-27 Mark Mitchell <mark@codesourcery.com>
11876 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
11877 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
11878 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
11879 (get_prev_bb_note): Likewise.
11880 (remove_scope_notes): Likewise.
11881 * flow.c (commit_one_edge_insertion): Likewise.
11882 (merge_blocks_nomove): Likewise.
11883 (verify_flow_info): Likewise.
11884 * gcse.c (insert_insn_end_bb): Likewise.
11885 * reg-stack.c (emit_swap_insn): Likewise.
11886 * ssa.c (first_insn_after_basic_block_note): New function.
11887 (insert_phi_node): Use it.
11888 (rename_block): Likewise.
11889 (eliminate_phi): Likewise.
11890 (make_regs_equivalent_over_bad_edges): Likewise.
11891 (make_equivalent_phi_alternatives_equivalent): Likewise.
11892 (for_each_successor_phi): Likewise.
11893 (convert_from_ssa): Modify phi-node deletion algorithm.
11895 2000-07-29 Andreas Jaeger <aj@suse.de>
11897 * configure.in (mips*-*-linux*): Use mips*el to check for little
11898 endian MIPS, add tmake_file.
11900 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
11901 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
11902 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
11904 2000-07-28 Richard Henderson <rth@cygnus.com>
11906 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
11907 Sign extend mode size before negating.
11909 2000-07-28 Richard Henderson <rth@cygnus.com>
11911 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
11913 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
11915 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
11916 (cse_insn): Likewise.
11917 (addr_affects_sp_p): Likewise.
11918 * expr.c (move_by_pieces): Likewise.
11919 (clear_by_pieces): Likewise.
11920 * gcse.c (oprs_unchanged_p): Likewise.
11921 * haifa-sched.c (sched_analyze_2): Likewise.
11922 * recog.c (offsettable_address_p): Likewise.
11923 * regclass.c (record_address_regs): Likewise.
11924 * reload.c (find_reusable_reload): Likewise.
11925 (push_reload): Likewise.
11926 (operands_match_p): Likewise.
11927 (decompose): Likewise.
11928 (find_reloads_address_1): Likewise.
11929 (find_inc_amount): Likewise.
11930 * reload1.c (elimination_effects): Likewise.
11931 * resource.c (mark_set_resources): Likewise.
11932 * flow.c (attempt_auto_inc): New function; mostly broken out
11934 (find_auto_inc): Split into two functions and enhanced to
11935 generate POST_MODIFY.
11936 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
11937 * rtl.h (count_all_occurrences): Declare.
11938 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
11940 * rtlanal.c (count_all_occurrences): New function.
11941 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
11942 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
11944 * config/ia64/ia64-protos.h (destination_operand): Declare.
11945 * config/ia64/ia64.c (destination_operand): New function.
11946 (ia64_print_operand): Handle POST_MODIFY.
11947 (rtx_needs_barrier): Likewise.
11948 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
11949 (HAVE_POST_MODIFY_REG): Define to 1.
11950 (MAX_REGS_PER_ADDRESS): Change to 2.
11951 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
11952 (LEGITIMATE_ADDRESS_REG): New helper macro.
11953 (LEGITIMATE_ADDRESS_DISP): Likewise.
11954 (PREDICATE_CODES): Add entry for destination_operand.
11955 * config/ia64/ia64.md (all mov patterns): Use destination_operand
11956 predicate for operand 0.
11958 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11960 * dwarf2out.c: Indent #error directive.
11962 * gbl-ctors.h: Fix typo in comment.
11963 (__do_global_ctors): Prototype.
11965 * gcse.c (record_one_set, pre_delete): Remove unused variables.
11967 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
11968 (print_operand): Initialize variable `t'.
11970 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
11972 * config/arm/arm.md ("call_value"): removed constraints.
11973 Constraints are ignored in expanders.
11974 (*call_value_reg): split =rf into various constraints.
11975 (*call_value_mem): same
11976 (*call_value_symbol): same
11977 (*sibcall_value_insn): same
11979 2000-07-28 Philipp Thomas <pthomas@suse.de>
11981 * install.texi (--enable-nls): Change the description of the NLS
11982 related configure options to match the current state.
11983 (--with-included-gettext): Likewise.
11984 (--enable-maintainer-mode): New description added.
11985 * extend.texi (-fstrict-prototype): Add missing '.'.
11987 2000-07-27 Jim Wilson <wilson@cygnus.com>
11989 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
11990 DECL_INITIAL (decl) == NULL_TREE.
11992 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
11994 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
11995 on insn-attr.h with it.
11996 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
11997 * insn-addr.h: New header.
11998 (insn_addresses_): Renamed from insn_addresses.
11999 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
12000 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
12001 INSN_ADDRESSES_NEW): New macros.
12002 * genattrtab.c (write_test_expr): Use new macros.
12003 * final.c (insn_addresses, init_insn_lengths): Likewise.
12004 (align_fuzz, shorten_branches): Likewise.
12005 (final): Likewise. Do not reject new insns if their addresses
12006 have been added to INSN_ADDRESSES.
12007 * config/arm/arm.c, config/avr/avr.c: Use new macros.
12008 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
12009 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
12010 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
12011 * config/sh/sh.c: Likewise.
12012 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
12014 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
12016 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
12018 * gcc.c (struct prefix_list): Add member priority.
12019 (enum path_prefix_priority): Declare.
12020 (add_prefix): Replace ``first'' with ``priority''. Append new
12021 entry but keep list in priority order.
12022 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
12023 PREFIX_PRIORITY_LAST to add_prefix.
12024 (process_command): Move include kludge - foo/stageN - to before
12027 2000-07-27 Jason Merrill <jason@redhat.com>
12029 * dwarf2out.c (gen_typedef_die): Abort if we get identical
12030 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
12032 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
12034 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
12035 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
12037 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
12039 * c-decl.c (finish_function): Don't treat 'main' specially unless
12040 flag_hosted. In C99 mode, return 0 from 'main' unless
12041 DEFAULT_MAIN_RETURN is otherwise defined.
12043 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
12044 parameters defaulting to int in an old-style function definition.
12046 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12048 * c-parse.in (string): For -Wtraditional, warn about string
12049 concatenation only once per line.
12051 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
12053 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
12054 for HI-UX/WE2 systems.
12056 2000-07-24 Bruce Korb <bkorb@gnu.org>
12058 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
12059 defining the __xxx_TYPE__ macros.
12060 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
12061 * fixincl/fixlib.h: don't need to include "tm.h" anymore
12062 * fixincl/inclhack.def(type_map): now obsolete
12064 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
12066 * cpp.texi: Append a trailing full-stop to xrefs where needed.
12068 2000-07-26 Dave Pitts <dpitts@cozx.com>
12070 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
12072 (mvs_hash_alias): New function.
12073 (mvs_add_alias): Change argument spacing.
12074 (mvs_need_alias): Change aliasing criteria. Added documentation.
12075 (mvs_get_alias): Change to use hashed name. The hashed name prevents
12076 CSECT name collisions.
12077 (mvs_check_alias): Likewise.
12078 (handle_pragma): Change documentation.
12079 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
12080 mode from SImode to DImode.
12081 (iorhi3): Changed LTORG size for insn.
12083 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
12085 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
12086 mem if the address is a mode_dependent_address_p.
12088 2000-07-26 Kazu Hirata <kazu@hxi.com>
12090 * h8300.c (print_operand): Print ":8" when the 'R' operand is
12091 suitable for 8-bit absolute.
12092 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
12093 (OK_FOR_U): Add a case for the 8-bit constant address on the
12096 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
12098 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
12099 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
12100 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
12101 lack of implemented alignment.
12103 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
12105 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
12106 cross-compiling between 64-bit and 32-bit machines.
12108 2000-07-27 Richard Henderson <rth@cygnus.com>
12110 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
12111 (movhicc_astep, movhi_internal_astep): New.
12112 (movsicc_astep, movsi_internal_astep): New.
12113 (movdicc_astep, movdi_internal_astep): New.
12114 (movsfcc_astep, movsf_internal_astep): New.
12115 (movdfcc_astep, movdf_internal_astep): New.
12116 (movxfcc_astep, movxf_internal_astep): New.
12117 (cmovdi_internal_astep, cmovsi_internal_astep): New.
12118 Unify the cmov[ds]i splitters.
12120 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
12122 * real.c (asctoeg): Rename `error' label to unexpected_char_error
12124 2000-07-26 Nick Clifton <nickc@cygnus.com>
12126 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
12127 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
12129 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
12130 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
12132 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
12134 * c-decl.c (finish_enum): Convert enumerations that fit in an
12136 (build_enumerator): In pedantic mode, cast to `int' those that
12139 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
12141 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
12143 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12145 * sh.md (cmpgtdi_t): Must be split.
12146 (cmpgtdi_t+1): New splitter.
12148 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12150 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
12151 warnings for indented directives even if we are skipping.
12153 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
12155 * invoke.texi (strict-prototypes): Remove.
12156 * extend.texi (Deprecated Features): Add strict-prototypes.
12157 (Backwards Compatibility): New node.
12159 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12161 * config/i386/i386.md (andsi_1+1): Allow HImode.
12162 (andsi_1+2): Require q_regs_operand.
12164 2000-07-25 Jakub Jelinek <jakub@redhat.com>
12166 * config/i386/i386.md (call_pop): Check operands[0],
12167 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12169 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
12170 (call_value): Likewise.
12172 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
12174 * toplev.c (pipe_closed): Delete.
12175 (crash_signal): New. Generate ICE for a fatal signal.
12176 (float_signal): Call crash_signal outside a float-handler
12178 (main): Install crash_signal as handler for core-dumping signals.
12180 2000-07-25 David Edelsohn <edelsohn@gnu.org>
12182 * rs6000.c (print_operand, case 'T'): New case.
12184 * rs6000.md (call_indirect_aix32): Convert to expander of
12185 scheduled instructions.
12186 (call_indirect_aix64): Likewise.
12187 (call_value_indirect_aix{32,64}): Likewise.
12188 (call, call_value): Invoke expanders for AIX. Fall through to
12190 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
12191 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
12192 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
12193 only "g" constraint.
12194 (call_nonlocal_aix64): Likewise.
12195 (call_value_nonlocal_aix{32,64}): Likewise.
12196 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
12198 (call_value_nonlocal_sysv): New pattern.
12199 (indirect_jump{si,di}): Use new 'T' modifier.
12200 (tablejump{si,di} matchers): Likewise.
12201 (return_internal_{si,di}): Likewise.
12202 (return_eh_{si,di}): Likewise.
12204 2000-07-24 Richard Henderson <rth@cygnus.com>
12206 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
12207 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
12208 * config/ia64/ia64.md (movdi_internal): Use it.
12210 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
12212 * cppexp.c: Warn about unary + if -Wtraditional.
12213 * cpplex.c (lex_line): Always set BOL on the first token of a line.
12215 2000-07-24 Michael Meissner <meissner@redhat.com>
12217 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
12220 2000-07-24 Nick Clifton <nickc@cygnus.com>
12222 * config/arm/arm.c (emit_multi_reg_push): Generate a
12223 REG_FRAME_RELEATED_NOTE that is compatable with the code in
12224 dwarf2out_debug_frame_expr.
12226 2000-07-24 Jason Merrill <jason@redhat.com>
12228 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
12229 UNALIGNED_INT_ASM_OP.
12230 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
12231 a location expression.
12232 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
12233 assume indirect access if we're saving the CFA address exactly.
12235 * Makefile.in (bootstrap): Move -BstageN/ to the end.
12237 2000-07-24 Jakub Jelinek <jakub@redhat.com>
12239 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
12242 2000-07-24 Michael Meissner <meissner@redhat.com>
12244 * invoke.texi (D30V Options): Add d30v options.
12246 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
12248 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
12249 needed by our gcse pass anymore.
12250 (free_pre_mem): Corresponding changes.
12251 (compute_pre_data): Do not call compute_transpout anymore.
12253 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
12254 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
12257 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
12258 (compute_pre_data): Do it here instead.
12260 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
12262 (pre_delete): Corresponding changes.
12264 2000-07-23 Mark Mitchell <mark@codesourcery.com>
12266 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
12267 to figure out whether or not a variable has already been emitted.
12269 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
12271 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
12272 instead of gen_call.
12274 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
12276 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
12278 2000-07-23 Kazu Hirata <kazu@hxi.com>
12280 * h8300.c: Fix formatting.
12282 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
12284 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
12285 for `long' switch expression into a plain warning.
12287 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
12288 (yylex): Don't pedwarn for "inline" in C99 mode.
12290 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
12292 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
12293 ggc_alloc): Likewise.
12294 * bb-reorder.c (dump_scope_forest_1): Likewise.
12296 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
12298 * reload.c (find_reloads_toplev): Add new parameter
12299 "address_reloaded".
12300 (find_reloads): Add new parameter to find_reloads_toplev calls.
12302 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
12304 * collect2.c (main): Typo fixed.
12305 * diagnostic.c: Typo fixed.
12306 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
12307 * eh-common.h: Typo fixed.
12308 * emit-rtl.c (start_sequence): Typo fixed.
12309 * flow.c (find_label_refs): Typo fixed.
12310 (calculate_global_regs_live): Typo fixed.
12311 (mark_regno_cond_dead): Typo fixed.
12312 (create_edge_list): Typos fixed.
12313 (verify_edge_list): Typo fixed.
12314 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
12315 * loop.c (strength_reduce): Typo in function name fixed.
12316 * rtl.h: Added comments. Typo in function name fixed.
12317 * rtlanal.c: Typo in function name fixed.
12318 (insn_dependant_p): Rename to ...
12319 (insn_dependent_p): ... this.
12320 (computed_jumo_p): Typo fixed.
12322 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12324 * system.h (__FUNCTION__): Wrap definition in #ifndef.
12326 2000-07-21 David Edelsohn <edelsohn@gnu.org>
12328 * rs6000.h (SIZE_TYPE): Define.
12330 2000-07-21 Mark Mitchell <mark@codesourcery.com>
12332 * ssa.c (rename_insn_1): Don't rename registers that are
12335 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
12337 * diagnostic.c (trim_filename, fancy_abort): Moved here from
12339 (fatal_function, set_fatal_function): Removed.
12340 (fatal): Don't prepare for or call the fatal_function.
12341 (diagnostic_lock, error_recursion): New.
12342 (diagnostic_for_decl, report_diagnostic): Guard against
12343 re-entering the error reporting routines.
12344 (fancy_abort): Assume function is not NULL.
12346 * errors.c (fancy_abort): New. Assume function is not NULL.
12347 * tradcpp.c (fancy_abort): Assume function is not NULL.
12349 * system.h: Provide default definition of __FUNCTION__.
12350 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
12351 Always use __FUNCTION__ in definition of abort.
12352 * tree.h: Likewise.
12353 * varray.h: Likewise.
12354 * toplev.h: Likewise. Don't prototype set_fatal_function.
12356 2000-07-20 Geoff Keating <geoffk@cygnus.com>
12358 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
12360 * glimits.h: Don't do #if defined for ARCH_PPC.
12362 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
12363 constants of size no larger than a pointer should go in the TOC.
12364 Add 'MODE' parameter.
12365 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
12366 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
12367 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
12368 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
12369 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
12370 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
12371 (rs6000_legitimize_address): Likewise.
12372 (rs6000_emit_move): Likewise.
12373 (rs6000_select_rtx_section): Likewise.
12374 (output_toc): Deal properly with outputting small constants like
12375 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
12376 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
12377 MODE parameter. Put small constants in the TOC.
12379 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
12381 (rs6000_emit_move): When reload calls us with an illegitimate
12382 address, exit early. Move the change_address calls to one place
12383 at the end of the routine. Merge the SImode and DImode expanders.
12384 When called by reload to put an integer into a FP register, force
12387 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
12389 (rs6000_hash_constant): Hash mode too.
12390 (toc_hash_function): Allow for key_mode.
12391 (toc_hash_eq): Structures are different if key_mode differs.
12392 (output_toc): Add 'mode' parameter. Save key_mode.
12393 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
12394 Pass 'mode' parameter.
12395 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
12397 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
12398 for vtable references.
12400 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
12401 choice, don't put integer values in FP regs.
12403 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
12405 * flow.c (verify_flow_info): Revamp code to verify that the
12406 head and end of each basic block are in the insn chain.
12408 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
12410 * gcse.c (record_one_set): Prepend instead of append onto
12411 reg_set_table, making it O(n) instead O(n^2).
12412 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
12413 Use a queue instead of a stack as worklist.
12415 2000-07-20 Kazu Hirata <kazu@hxi.com>
12417 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
12418 * h8300.h (OK_FOR_T): New.
12419 (EXTRA_CONSTRAINT): Support OK_FOR_T.
12420 * h8300.md: Use inc/dec.[wl] for increment/decrement
12421 by 1 and 2 in HI and SI modes.
12423 2000-07-20 Jim Wilson <wilson@cygnus.com>
12425 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
12426 larger than 14 bits.
12428 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
12430 * cppmacro.c (CAN_PASTE_AFTER): New macro.
12431 (count_params): Don't set GNU_REST_ARGS on anything.
12432 (save_expansion): Set PASTE_LEFT only on tokens for which
12433 CAN_PASTE_AFTER is true, or which are named operators.
12435 * cpplex.c (parse_args): Distinguish between a rest argument
12436 given one empty argument, and a rest argument given zero arguments.
12437 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
12438 deletion of previous token based on that.
12439 (get_raw_token): Flatten some control structure.
12441 * cpplib.h (CPP_LAST_EQ): Correct.
12442 (VOID_REST): New token flag.
12443 (GNU_REST_ARGS): Delete.
12445 * tradcpp.c (main): Don't munge -D options.
12446 (make_definition): Bring -D handling in line with cpplib.
12447 (do_define): Strip all leading whitespace from macro definitions.
12449 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
12451 * Makefile.in (tradcpp): Depend on intl.o and version.o.
12453 2000-07-20 Bruce Korb <bkorb@gnu.org>
12455 * fixincl/check.tpl: strip the platform specific types before testing
12456 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
12457 * fixincl/fixincl.tpl: use platform specific types
12458 * fixincl/fixlib.h: include the platform specific types
12459 * fixincl/inclhack.def(gnu_types): don't supply the types
12460 * fixincl/fixincl.x: regen
12462 2000-07-19 Jim Wilson <wilson@cygnus.com>
12464 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
12467 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12469 * tradcpp.c (rescan): Do not recognize directives when the #
12472 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
12474 Implement C++ named operators.
12476 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
12477 of operators allowed in #if and having an _EQ variant. Add
12478 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
12479 (cpp_token flags): Add NAMED_OP.
12480 (enum node_type): Add T_OPERATOR.
12481 (struct cpp_hashnode): Add code slot to value union.
12482 * cpphash.h (spec_nodes): Remove n_defined.
12484 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
12485 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
12486 (is_macro_disabled): Tweak error messages.
12488 * cpplib.c (get_define_node): Disallow all named operators as
12489 macro names. Tweak error messages.
12490 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
12492 * cppinit.c (builtin_array): Add entries for the named operators.
12493 * cppexp.c (lex): Check for CPP_DEFINED token.
12494 (priority table): Add entries for CPP_MIN and CPP_MAX.
12495 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
12497 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
12499 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
12500 larger than the array of cuids.
12501 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
12504 2000-07-19 Bruce Korb <bkorb@gnu.org>
12506 * fixinc/fixincl.c: Convert to using a table of environment variables
12507 and activate the auto-edit marker on the fixed output files.
12508 * fixinc/fixlib.h: Define the environment table
12509 * fixinc/fixincl.sh: export the ${INPUT} dir
12510 * fixinc/check.tpl: likewise
12512 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12514 * gcc.c (.h spec): Fix typo.
12516 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
12518 * Makefile.in: Fix tradcif.c path.
12520 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
12522 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
12525 * cpphash.h (TOKEN_NAME): New macro.
12526 (_cpp_spell_operator): Deleted.
12527 (token_spellings): Now _cpp_token_spellings.
12529 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
12530 * cpplex.c: Use OP and TK macros when expanding the
12531 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
12532 store the stringification of the enumeration name (CPP_CHAR,
12533 etc.) in the name slot of token_spellings.
12534 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
12535 token_spellings directly.
12536 * cpplib.c: Use TOKEN_SPELL.
12538 * cpplex.c (_cpp_push_token): If the token being pushed back
12539 is the previous token in this context, just subtract one from
12541 * cppmacro.c (save_expansion): Clear aux field when storing a
12544 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12546 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
12547 buffer, provided it is not NULL.
12549 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
12551 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
12552 case of invalid volatile re-declaration.
12554 2000-07-18 Jakub Jelinek <jakub@redhat.com>
12556 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
12557 (expand_call): Adjust caller.
12559 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
12561 * diagnostic.h (report_diagnostic): Change prototype.
12563 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
12564 diagnostic_for_decl): Change prototype.
12565 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
12566 error, warning, error_with_file_and_line,
12567 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
12568 Adjust call to report_diagnostic, diagnostic_for_decl.
12569 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
12570 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
12572 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
12573 varaible argument list.
12575 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12577 * cpphash.c: Don't include hashtab.h. Most macro-handling code
12578 moved to cppmacro.c.
12579 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
12580 dump_hash_helper): Delete.
12581 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
12582 cpp_forall_identifiers): New. Implement specialized version of
12583 Vlad's expandable hash table.
12584 (cpp_lookup): Use new functions.
12585 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
12587 * cppmacro.c: New file.
12588 * cppinit.c (dump_macros_helper): New.
12589 (cpp_finish): Iterate over the identifier table directly.
12590 * cpplex.c (parse_name): Calculate the hash of the identifier
12591 while we scan it. Use _cpp_lookup_with_hash when we can.
12593 * cpphash.h: Update prototypes.
12594 (xcnewvec, HASHSTEP): New helper macros.
12595 * cpplib.h: Update prototypes.
12596 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
12597 (cppmacro.o): New rule.
12598 (cpphash.o): Update deps.
12600 * cppmain.c: Do not set pfile->printer if no_output is on.
12602 2000-07-15 Neil Booth <neilb@earthling.net>
12604 * cpplib.c: Change all directive-handler functions to return
12606 * cpphash.h: Update typedefs.
12608 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12610 * configure: Regenerate.
12612 * extend.texi (Extended Asm): Mention that a memory clobber
12613 does not count as a side-effect.
12615 * unroll.c (copy_loop_body): Fix one instance of using host
12616 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
12619 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
12621 2000-07-17 Richard Henderson <rth@cygnus.com>
12623 * config/ia64/ia64.md (movdi): Split out load address code.
12624 New post-reload splitter for symbolic operands.
12625 (movdi_internal): Abort if we didn't split symbolic operands
12626 when we should have.
12627 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
12628 (ia64_reorg): Split insns when not optimizing.
12629 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
12631 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
12633 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
12634 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
12636 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12638 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
12640 2000-07-17 Jason Merrill <jason@redhat.com>
12642 * Makefile.in (clean): Remove libgcc directory.
12644 * configure.in (-Wno-long-long check): Use higher-level macros.
12646 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12648 * simplify-rtx.c (simplify_binary_operation): Recognize
12649 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
12650 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
12651 a CONST_INT, it will always be zero.
12653 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12655 * loop.c (check_dbra_loop) : Return if more than one condition is
12656 present to control the loop.
12658 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
12660 * mips.c (mips_expand_prologue): Don't calculate the last argument
12661 register unless we need it. When we are calculating this, make
12662 sure FUNCTION_ARG is giving us a REG.
12664 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12666 * flow.c (libcall_dead_p): Use single_set to verify the insn
12667 has only one set and get for analysis.
12668 (propagate_one_insn): Don't pass the PATTERN of the insn.
12670 2000-07-17 Mark Klein <mklein@dis.com>
12672 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
12674 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12676 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
12677 * configure.in (TARGET_GETGROUPS_T): Evaluate.
12678 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
12679 of second argument of getgroups.
12680 * configure, config.in: Rebuilt.
12682 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12684 * simplify-rtx.c (simplify_relational_operation): Two signed
12685 values with equal high words are less/greater than each other if
12686 their low words are less/greater when considered as unsigned.
12688 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
12690 * configure.in (vax-*-openbsd): Change to new style configuration,
12691 add collect2/float_format information.
12692 * configure: Rebuilt.
12693 * config/vax/openbsd1.h: New.
12694 * config/vax/openbsd.h: New.
12695 * config/vax/t-openbsd: New.
12697 2000-07-17 Chip Salzenberg <chip@valinux.com>
12699 * c-common.c (shorten_compare): Quiet warnings about unsigned
12700 comparisons with zero when they occur in a system header.
12702 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
12704 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
12705 update to describe current practice.
12707 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
12709 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
12710 references to C9X. Change references to -fstd and -flang-isoc9x
12713 * c-common.c (scan_char_table): Allow "z" length modifiers on
12715 (check_format_info): Use TYPE_DOMAIN on the type matched against
12716 for "z" formats, to retrieve the language size_t rather than the
12719 * c-common.c (check_format_info): Do not make a pedantic objection
12720 to the 'L' length modifier if used with a floating point type
12723 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
12724 constants in C99 mode.
12726 2000-07-17 Kazu Hirata <kazu@hxi.com>
12728 * h8300.md: Fix the format of mac.
12729 (movsi_h8300hs): Output a tab after stmac instead of a space.
12731 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
12732 profitable adds/subs sequences.
12734 * fold-const.c: Fix comment typos.
12736 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
12738 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
12740 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12742 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
12744 2000-07-16 Neil Booth <NeilB@earthling.net>
12746 * cpplex.c: Update comments.
12747 * README.Portability: Small update.
12749 2000-07-16 Neil Booth <NeilB@earthling.net>
12751 * README.Portability: Small update.
12753 2000-07-15 Richard Henderson <rth@cygnus.com>
12755 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
12756 * config/ia64/ia64.c (ia64_move_ok): New function.
12757 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
12758 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
12760 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
12762 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
12763 immediately following a paste operator.
12764 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
12765 (cpp_reader_init): Call it, if HOST_EBCDIC.
12766 (cpp_handle_options): Do not sort option list here.
12767 (handle_option): Rename to cpp_handle_option and export.
12768 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
12769 _cpp_get_token directly.
12770 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
12771 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
12772 * cpplib.h: Prototype cpp_handle_option. Update prototype of
12775 2000-07-15 Richard Henderson <rth@cygnus.com>
12777 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
12778 cast around an expression. Tidy other unsigned tests.
12780 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
12782 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
12783 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
12784 (v_message_with_decl): Rename to ...
12785 (format_with_decl): ... this. Tweak
12786 (diagnostic_for_decl): New function.
12787 (fatal_io_error): Use verbatim in lieu of notice.
12788 (announce_function): Use verbatim.
12789 (default_print_error_function): Likewise.
12790 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
12793 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12795 * mips.c (function_arg_pass_by_reference): Don't do automatic
12796 aggregate initialization.
12797 (machine_dependent_reorg): Initialize variable `mode'.
12799 * mips.md (absdi2): Change variable `regno1' to unsigned int.
12800 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
12801 conflicts with sys/param.h macro of the same name.
12802 (reload_outdi): Likewise.
12804 2000-07-15 Michael Meissner <meissner@redhat.com>
12806 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
12807 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
12808 create a new node instead.
12810 2000-07-15 Neil Booth <NeilB@earthling.net>
12812 * README.Portability: Correct example about calling a function
12813 through a pointer to function. Format wide paragraphs.
12815 2000-07-15 Michael Meissner <meissner@redhat.com>
12817 * README.Portability: Update integer suffixes and function
12818 prototype sections.
12820 2000-07-15 Neil Booth <NeilB@earthling.net>
12822 * README.Portability: Small update.
12824 2000-07-15 Neil Booth <NeilB@earthling.net>
12826 * README.Portability: New file.
12828 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
12830 * INSTALL: Give special instructions for building GCC on Irix 6.
12831 * config/mips/x-iris6 (CC): Don't set it.
12834 2000-07-14 Jason Merrill <jason@redhat.com>
12836 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
12837 register in the stack and later in another register, use the new
12840 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
12842 * config/mips/mips.md: (absdi2): Handle sign_extend for
12845 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
12847 * cpplib.c (do_pragma_dependency): Tidy warning messages.
12849 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
12851 * .cvsignore: Correct typo.
12853 2000-07-13 Mark Mitchell <mark@codesourcery.com>
12855 * .cvsignore: Add generated YACC files.
12856 * objc/.cvsignore: New file.
12858 2000-07-14 Neil Booth <NeilB@earthling.net>
12860 * cpplex.c (adjust_column): New funcion.
12861 (skip_whitespace): Use it.
12862 (skip_block_comment): Use it, and warn about /*/* with
12865 2000-07-14 Neil Booth <NeilB@earthling.net>
12867 * cpphash.c (struct macro_info): Add new members.
12868 (_cpp_free_definition): Delete the macro directly.
12869 (count_params): Return void, with first token of
12870 expansion in struct macro_info on success.
12871 (parse_define): Return int. Hoist syntax checking from
12872 save_macro_expansion. Leave call to save_expansion to
12873 _cpp_create_definition.
12874 (alloc_macro): Needs just 2 arguments.
12875 (free_macro): Delete.
12876 (save_expansion): Don't perform syntax check.
12877 (_cpp_create_definition): Call save_expansion.
12879 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12881 * genrecog.c (write_header): Split long string.
12883 * cpphash.c (macro_info): Don't use the `signed' keyword.
12885 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
12887 2000-07-13 Jakub Jelinek <jakub@redhat.com>
12889 * calls.c (stored_args_map): New variable.
12890 (check_sibcall_argument_overlap_1): New.
12891 (check_sibcall_argument_overlap): New.
12892 (expand_call): Initialize stored_args_map.
12893 Call check_sibcall_argument_overlap.
12895 2000-07-13 Bruce Korb <bkorb@gnu.org>
12897 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
12898 (emit_gnu_type): utility procedure for gnu_type_fix
12899 (gnu_type_fix): implement various pre-processor guards around
12900 standard types so these types can be defined over and over
12901 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
12902 types alluded to above will have GNU-compliant base types
12903 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
12904 * fixinc/inclhack.def: add test_text entries and utilize the new
12905 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
12906 * fixinc/fixincl.x: regenerate
12908 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
12910 * diagnostic.c (vline_wrapper_message_with_location,
12911 v_message_with_file_and_line, v_error_with_file_and_file,
12912 v_error_for_asm, v_warning_for_asm, vfatal,
12913 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
12914 vsorry, verror, vwarning, vpedwarn): Remove.
12915 (diagnostic_for_asm): New function.
12916 (pedwarn, error, warning, pedwarn_with_file_and_line,
12917 error_with_file_and_line, warning_with_file_and_line, sorry,
12918 error_for_asm, warning_for_asm, fatal): Reimplement.
12919 (finish_diagnostic): Clear diagnostic info as well.
12921 2000-07-13 Neil Booth <NeilB@earthling.net>
12923 * c-common.h (flag_digraphs): New.
12924 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
12925 * c-lex.c (yylex): Use flag_digraphs to decide whether to
12928 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
12930 * gcc.c (do_spec_1): Add new %B operator.
12931 (set_input): Prepare for %B.
12933 (link_command_spec): Move up with the other tm.h-
12934 overrideable specs. Factor out the portion conditional on
12935 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
12936 (struct compiler): Just have a single spec string. All users
12938 (default_compilers): Remove unnecessary braces.
12939 (static_specs): Update.
12941 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
12943 (C and assembly specs): Use the new named specs, as appropriate.
12945 * objc/lang-specs.h: Use the new named specs.
12946 Remove unnecessary braces.
12948 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12950 * gcc.c (execute): If a subprocess gets a fatal signal, report
12951 strsignal() of the signal number, and ask for a bug report.
12952 Do not do this for SIGPIPE if there's already been an error.
12954 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
12955 Delete pipe_closed.
12957 * tradcif.c: Remove.
12959 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12961 * final.c (profile_function): Do not emit profile counters in
12962 the data section, if NO_PROFILE_COUNTERS is defined.
12963 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
12966 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
12967 (FUNCTION_PROFILER): Just emit a call to mcount.
12969 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12971 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
12973 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
12974 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
12975 traditional, lang_chill, or lang_fortran.
12977 * cppfiles.c: #undef strcmp to suppress warning about macros
12978 used without arguments.
12979 (_cpp_execute_include): Use f, not fname, in "No include path"
12981 (_cpp_pop_file_buffer): New function.
12982 * cpplib.c: Don't include <sys/mman.h>.
12983 (cpp_push_buffer): Set line_base and lineno in new buffer.
12984 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
12986 * cpplex.c: Move all prototypes and structure declarations to the
12987 top of the file. Properly parenthesise some macro arguments.
12988 (cpp_scan_line): New function.
12989 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
12990 don't need to walk up the stack counting.
12992 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12994 * c-common.c (combine_strings): Emit a pedantic warning when a
12995 string length is greater than the minimum ANSI C is required
12998 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
13000 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
13001 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
13003 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13005 * c-decl.c (define_label): Warn about identifier conflicts with
13006 labels in traditional C.
13008 * c-parse.in (unop +): Warn about the unary plus operator for
13011 * c-typeck.c (store_init_value): Warn about automatic aggregate
13012 initialization for traditional C.
13014 * invoke.texi (-Wtraditional): Document new warnings.
13016 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13018 * Makefile.in (c-errors.o): Fix thinko in dependency.
13020 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13022 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
13023 -traditional, -ftraditional, or -traditional-cpp was given.
13024 Do not pass -traditional to the preprocessor.
13025 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
13026 preprocessor does it automatically.
13027 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
13029 * ch/lang-specs.h: Always use tradcpp. Do not pass
13030 -traditional, -trigraphs, or -pedantic to the preprocessor.
13031 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
13034 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
13036 * cppexp.c (LOGICAL): Delete macro.
13037 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
13040 * cpphash.c (HASHSIZE): Increase to 4096.
13041 (struct hashdummy): Add hash field.
13042 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
13043 the string values using memcmp.
13044 (cpp_lookup): Set dummy.hash.
13046 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
13048 * configure.in (m88k-openbsd): Express configuration using new fragment
13050 * configure: Rebuilt.
13051 * m88k/aout-dbx.h: New.
13052 * m88k/openbsd.h: New.
13053 * m88k/xm-openbsd.h: New.
13055 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13057 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
13059 2000-07-12 Richard Henderson <rth@cygnus.com>
13061 * reload.c (push_secondary_reload): Make sure to add the new
13062 reload at the end, after acquiring secondary memory.
13064 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13066 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
13068 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
13069 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
13071 * c-parse.in (stmt): Delete unused variables.
13073 * convert.c (convert_to_vector): Likewise.
13075 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
13077 * tree.c (finish_vector_type): Prototype.
13079 2000-07-12 Bruce Korb <bkorb@gnu.org>
13081 * fixinc/fixfixes.c: use xmalloc
13082 * fixinc/fixincl.c(initialize): set program name for xmalloc
13083 * fixinc/fixlib.c(must_malloc): obsolete
13084 (is_cxx_header): no longer used - disabled
13085 (skip_quote): inserted and disabled for future use
13086 * fixinc/fixlib.h: reflects above
13087 * fixinc/fixtests.c: removed dinkleberries
13089 2000-07-12 Neil Booth <NeilB@earthling.net>
13091 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
13092 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
13094 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
13095 struct toklist_dummy): New.
13096 (cpp_free_definition): Free macros with free_macro.
13097 (count_params): Don't save paramter spellings. Save macro
13098 information in a struct macro_info.
13099 (parse_define): Don't allocate a token list.
13100 (save_expansion): Allocate the macro's token list, and
13101 save parameter spellings if necessary. Use TOKEN_SPELL.
13102 (cpp_create_definition): Make list const.
13104 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13106 * c-typeck.c (pedwarn_c99): Move to
13107 * c-errors.c: ... Here.
13108 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
13109 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
13110 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
13111 (c-errors.o): List dependency.
13113 2000-07-12 Mark Mitchell <mark@codesourcery.com>
13115 * c-parse.c: Remove.
13116 * c-parse.h: Likewise.
13117 * c-parse.y: Likewise.
13118 * objc/objc-parse.c: Likewise.
13119 * objc/objc-pasre.y: Likewise.
13121 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
13123 * gcc.texi: Fix minor typos
13124 * extend.texi: Fix minor typos
13126 2000-07-11 Marc Espie <espie@openbsd.org>
13128 * collect2.c (main): Recognize .lo as object files.
13130 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13132 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
13135 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
13136 with MAP_ANONYMOUS and MAP_ANON.
13137 * configure, config.in: Rebuilt.
13139 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
13141 * diagnostic.c (save_output_state): Remove.
13142 (restore_output_state): Likewise.
13143 (clear_text_info): New function.
13144 (clear_diagnostic_info): Likewise.
13145 (output_text_length, is_starting_newline, output_prefix,
13146 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
13147 prefixing_policy, output_buffer_ptr_to_format_args): New macros
13148 (set_real_maximum_length, output_set_maximum_length,
13149 output_set_prefix, output_get_prefix, output_set_maximum_length,
13150 output_destroy_prefix, init_output_buffer,
13151 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
13152 output_add_newline, output_add_character, output_add_space,
13153 output_append_r, output_append, wrap_text, output_format,
13154 output_do_printf, output_printf, output_do_verbatim,
13155 output_verbatim, verbatim): Use them.
13156 (output_clear): Split into cleat_text_info and
13157 clear_diagnostic_info.
13158 (struct output_state): Move to...
13160 * diagnostic.h: ...Here
13161 (struct output_buffer): Adjust.
13163 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
13165 * cpplex.c (parse_name): No longer inline (premature optimization).
13166 (do_pop_context): Fold into pop_context.
13167 (pop_context): Returns int.
13168 (lex_next): Hoist test for end of directive into pop_context.
13169 (push_macro_context): Returns int; takes just reader and token.
13170 Hoist test for excessive nesting to caller.
13171 (push_arg_context): Returns void; takes just reader and token.
13172 Do not call stringify_arg or get_raw_token.
13173 (get_raw_token): Convert tail recursion through push_arg_context
13174 to a loop at this level. Call stringify_arg here if appropriate.
13175 (maybe_paste_with_next): Convert tail recursion to a while loop.
13176 Hoist test of paste_level to caller.
13178 (stringify_arg): Push arg context at beginning.
13179 (cpp_get_token): Split out core into _cpp_get_token. Call
13180 process_directive here. Throw away CPP_PLACEMARKER tokens.
13181 (_cpp_get_token): Convert tail recursion through
13182 push_macro_context to a loop at this level.
13183 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
13184 _cpp_get_raw_token): Use _cpp_get_token.
13185 (_cpp_skip_rest_of_line): Drop the context stack directly; do
13186 not call pop_context.
13187 (_cpp_run_directive): Call lex_next directly.
13189 * cpphash.h: Prototype _cpp_get_token.
13190 * cppexp.c (lex): Use it.
13191 * cpphash.c (parse_define): Use it.
13192 * cpplib.c (get_define_node, do_undef, parse_include,
13193 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
13194 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
13195 parse_ifdef, validate_else): Use it.
13196 (cpp_push_buffer): Tweak error message; abort if anyone tries
13197 to push a buffer while macro expansions are stacked.
13199 2000-07-11 Donn Terry <donnte@microsoft.com>
13201 * cpplex.c (free_macro_args, save_token): Cast arg of free
13202 and/or xrealloc to PTR.
13203 (_cpp_init_input_buffer): Clear all fields of the base context.
13205 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
13207 * gensupport.c (process_rtx): Make rtl checking stop
13208 complaining about the define_insn while it is being
13209 converted from a define_insn_and_split.
13211 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
13213 * config/mips/mips.c (simple_memory_operand): Access the
13214 INTVAL of the address, not it's containing MEM.
13216 2000-07-11 Bruce Korb <bkorb@gnu.org>
13218 * fixinc/fixtests.c(double_slash): obsolete
13219 (else_endif_label): likewise
13220 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
13221 (libc1_ifdefd_memx): correct initial comment
13222 and omit the #if/#endif pair from the memxxx declarations
13223 * fixinc/fixincl.x: regen
13225 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13227 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
13229 2000-07-11 Neil Booth <NeilB@earthling.net>
13231 * cpp.texi: Update.
13233 2000-07-11 Neil Booth <NeilB@earthling.net>
13235 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
13236 (handle_option): Set digraphs according to standard.
13237 Merge OPT_lang_c89 handler with OPT_std_c89.
13239 * cpplex.c: (lex_line, can_paste): Honour digraphs in
13240 accordance with the digraphs flag.
13242 * cpplib.h: (struct cpp_options): New option digraphs.
13244 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
13245 Bruce Korb <bkorb@gnu.org>
13247 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
13248 * fixinc/fixincl.x: Regenerate.
13249 * fixinc/tests/base/testing.h: Add testcase.
13251 2000-07-10 Richard Henderson <rth@cygnus.com>
13253 * config/ia64/ia64.c (got_symbolic_operand): New.
13254 (symbolic_operand, move_operand): Revert 0701 change.
13255 * config/ia64/ia64.h (PREDICATE_CODES): Update.
13256 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
13257 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
13258 split the offset into a 14-bit low part instead of a 13-bit low part.
13259 (load_fptr): Mark the mem as unchanging.
13260 (load_symptr): Use got_symbolic_operand.
13262 2000-07-10 Nick Clifton <nickc@cygnus.com>
13264 * libgcc2.c (next_stack_level): Cast result of computation to
13265 (void **) so that the assignment does not generate a warning.
13267 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
13269 * flags.h : Add new variable flag_single_precision_constant.
13270 * toplev.c (display_help) : Add -fsingle-precision-constant option.
13271 (flag_single_precision_constant): New.
13272 * c-lex.c (yylex): Convert floating point constant to single
13273 precision constant.
13274 * invoke.texi : Add documentation for this new option.
13276 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13278 * diagnostic.c (output_octal): Second parameter is unsigned.
13279 (output_long_octal): Likewise.
13280 (output_hexadecimal): Likewise.
13281 (output_long_hexadecimal): Likewise.
13282 (output_format): Adjust arguments extraction. Tweak.
13283 (output_verbatim, verbatim): End variable argument list.
13284 (report_diagnostic): Improve documentation.
13286 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
13288 * c-common.h (build_stmt): Declare.
13289 (build_continue_stmt): Likewise.
13290 (build_break_stmt): Likewise.
13291 (build_return_stmt): Likewise.
13293 * c-decl.c (do_case): Rewrite to do what previously done in
13296 * c-semantics.c (build_stmt): Define.
13297 (build_return_stmt): Likewise.
13298 (build_break_stmt): Likewise.
13299 (build_continue_stmt): Likewise.
13300 (build_case_label): Likewise.
13302 * c-parse.in (BREAK): Change to build tree, then generate RTL.
13303 (CONTINUE): Likewise.
13304 (RETURN): Likewise.
13306 (DEFAULT): Likewise.
13308 * c-parse.y: Regenerate.
13309 * c-pasre.c: Likewise.
13311 2000-07-09 Jason Merrill <jason@redhat.com>
13313 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
13315 * tree.h (STRIP_NOPS): Check for error_mark_node.
13316 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
13317 (dwarf2out_*): Remove duplicate declarations.
13319 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
13320 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
13322 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
13324 * diagnostic.c (wrap_text): New function.
13325 (maybe_wrap_text): Likewise.
13326 (output_add_string): Use it.
13327 (output_format): Likewise.
13328 (count_error): Use verbatim instead of notice.
13329 (report_error_function): Likewise. Don't use plain fprintf.
13330 (finish_diagnostic): New function.
13331 (output_do_verbatim): Tweak. Commonalize functionalities in
13332 output_verbatim and verbatim.
13333 (output_verbatim): Adjust.
13334 (verbatim): Likewise.
13335 (report_diagnostic): Define.
13337 * diagnostic.h (report_diagnostic): Prototype.
13339 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
13341 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
13343 2000-07-09 Neil Booth <NeilB@earthling.net>
13345 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
13346 IShspace, ISspace: Update.
13348 * cppinit.c: ISTABLE: Update.
13351 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
13352 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
13353 (skip_block_comment, skip_line_comment, parse_string,
13354 lex_line): Use is_vspace rather than IS_NEWLINE.
13355 (skip_whitespace, lex_line): Clean up to use is_nvspace.
13356 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
13358 (lex_next): Unconditionally stop if within a directive.
13359 Treat directives within macro invocations as directives
13360 (after parse_args emits error), not as the argument.
13362 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
13364 * diagnostic.c (diagnostic_args): New macro.
13365 (diagnostic_msg): Likewise.
13366 (output_formatted_integer): Likewise.
13367 (output_state): New data type.
13368 (digit_buffer): Make global.
13369 (output_add_integer): Rename to output_decimal. Squeeze
13371 (output_long_decimal, output_unsigned_decimal,
13372 output_long_unsigned_decimal, output_octal, output_long_octal,
13373 output_hexadecimal, output_long_hexadecimal): New functions.
13374 (output_append_r): New function.
13375 (output_append): Tweak.
13376 (output_flush_on): Rename to output_to_stream.
13377 (output_format): Change prototype. Improve documentation. Handle
13378 more format specifiers.
13379 (build_location_prefix): Rename to context_as_prefix.
13380 (output_notice): Rename to output_do_printf.
13381 (output_printf): Tweak.
13382 (line_wrapper_printf): Likewise.
13383 (vline_wrapper_message_with_location): Adjust call to renamed
13385 (v_message_with_decl): Likewise.
13386 (default_print_error_function): Likewise.
13387 (save_output_state): New function.
13388 (restore_output_state): Likewise.
13389 (output_do_verbatim): Likewise.
13390 (output_verbatim): Define.
13391 (verbatim): Likewise.
13393 * diagnostic.h (printer_fn): Change return type from void to int.
13394 Improve documentation.
13395 (output_add_integer): Rename to output_decimal.
13396 (output_flush_on, output_format): Don't export.
13397 (output_verbatim, verbatim): Declare.
13399 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
13401 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
13402 Check whether c divides op1 exactly if operation is not
13405 2000-07-08 Richard Henderson <rth@cygnus.com>
13407 * final.c (final): Do not abort when reg-stack introduces
13410 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
13412 * cpplib.h (struct cpp_name): Now struct cpp_string.
13413 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
13414 CPP_HEADER_NAME): Change to type S.
13415 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
13416 field, a cpp_hashnode *. All references to val.name updated
13417 to use val.str or val.node as appropriate.
13418 (struct cpp_reader): Add spec_nodes field.
13419 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
13421 * cpphash.h (struct spec_nodes): New.
13422 (enum spell_type): Reorder. Only SPELL_STRING tokens use
13423 val.str. All references to 'spelling > SPELL_NONE' updated to
13426 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
13427 pfile->buffer->inc are not NULL before dereferencing them.
13429 * cpplex.c (parse_name): Take a pointer to the current token,
13430 plus current position and limit as args; return the new
13431 position; don't copy the text of a name into the string
13432 buffer, instead call cpp_lookup and store the node pointer.
13433 If extending a token, copy out the text of the old into a
13434 scratch buffer, append the new, look that up and store the new
13435 node pointer. Inline.
13436 (maybe_paste_with_next): If the result of paste is a NAME,
13437 then look up the pasted text and store its node pointer.
13438 (lex_line): Adjust for new parse_name interface.
13439 Check for L"str", L'str' using spec_nodes->n_L.
13440 (spell_token): SPELL_IDENT tokens have their spelling in
13441 val.node->name. Handle SPELL_STRING tokens that don't have
13443 (_cpp_expand_name_space,
13444 (can_paste): Check for L ## "str" using spec_nodes->n_L.
13445 (cpp_get_token, special_symbol): No need to call cpp_lookup.
13446 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
13447 return 1=equal 0=not, not a tristate.
13449 * cpphash.c (var_args_str): Delete.
13450 (find_param): Compare node fields directly.
13451 (is__va_args__): Use CPP_PEDANTIC. Just compare
13452 token->val.node with spec_nodes->n__VA_ARGS__.
13453 (dump_funlike_macro): Don't use var_args_str.
13455 * cpplib.c (_cpp_check_directive): Just walk through
13456 spec_nodes->dirs comparing pointers.
13457 (get_define_node, do_pragma_poison, detect_if_not_defined,
13458 parse_ifdef): The identifier has already been looked up.
13459 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
13461 (do_if): Only call detect_if_not_defined at beginning of file.
13462 (_cpp_parse_assertion): Only copy string pointers for
13463 SPELL_STRING tokens.
13464 (pragma_dispatch): Take a node pointer and examine its name
13466 (_cpp_init_stacks): Also initialize the spec_nodes structure.
13468 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
13470 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
13471 reverse order from the corresponding _cpp_init_* routines.
13473 * cppexp.c (parse_number, parse_charconst, parse_defined,
13474 lex): Check val.node->type instead of calling cpp_defined.
13475 Use spec_nodes entries where appropriate.
13477 * fix-header.c, scan-decls.c: Update for interface changes.
13479 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
13481 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
13482 emitting aux_truncdfsf2.
13484 2000-07-03 Donn Terry (donnte@microsoft.com)
13486 * cppinit.c (print_help): split overlong line into ISO C89
13489 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13491 * cppexp.c: Update all code for new lexer interface.
13492 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
13493 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
13494 * cpplex.c (token_names): Trim leading CPP_ from names; make
13495 the strings unsigned.
13496 (_cpp_spell_operator): New.
13497 (is_macro_disabled): Disable all macros if rescanning
13499 (_cpp_get_directive_token): Remove.
13501 * cppinit.c: Don't set no_macro_expand.
13502 * cpplib.c (read_line_number, do_line): Check only for EOF,
13504 * cpphash.h: Update prototypes.
13505 * cpplib.h (CPP_VSPACE): Remove.
13506 (struct cpp_reader): Remove no_macro_expand.
13508 2000-07-08 Neil Booth <NeilB@earthling.net>
13510 * cpphash.c (is__va_args__): New function.
13511 (count_params): Fix line reported in error messages. Use
13512 is__va_args__. Don't return ')' on error. Flag GNU style
13513 rest args macro definitions.
13514 (parse_define): Check macro name is not __VA_ARGS__.
13515 (save_expansion): Check identifier in non-varargs-macro is
13516 not __VA_ARGS__. Don't flag GNU_VARARGS.
13517 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
13518 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
13519 than per-token GNU_VARARGS.
13520 * cpplib.h (GNU_VARARGS): Remove.
13521 (GNU_REST_ARGS): New.
13523 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13525 * i386.md (call_pop, call, call_value_pop): Do not set
13526 current_function_uses_pic_offset_table for calls to static
13527 functions or indirect calls.
13529 2000-07-07 Jim Wilson <wilson@cygnus.com>
13531 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
13532 is_predicate_reg, then take max write_count of register pair.
13534 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13536 * tradcpp.c (main): Rename label `include' to `add_include' to
13537 avoid conflicts with variable `include' in traditional C.
13539 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13541 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
13543 2000-07-07 Jakub Jelinek <jakub@redhat.com>
13545 * sibcall.c (uses_addressof): Add INMEM argument, check for
13546 current_function_internal_arg_pointer outside of MEM rtxs in addition
13548 (sequence_uses_addressof): Update caller.
13550 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
13552 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
13555 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13557 * system.h (UNION_INIT_ZERO): New macro for initializing union
13558 members in structs.
13560 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
13562 2000-07-07 Neil Booth <NeilB@earthling.net>
13564 * cpp.texi: Update.
13566 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
13568 * final.c (final): Detect out of bounds array access to
13569 the insn_lengths array.
13571 2000-07-07 Kazu Hirata <kazu@hxi.com>
13573 * fold-const.c (fold): Fix a comment typo.
13575 2000-07-07 Neil Booth <NeilB@earthling.net>
13577 * cpp.texi: Update to new lexer.
13579 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13581 * tradcpp.c: New file.
13582 * tradcif.y: New file.
13583 * tradcif.c: New generated file.
13585 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
13586 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
13587 dependencies of C. Install tradcpp from install-common, in
13590 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
13592 * cppinit.c: Include cppdefault.h. Refer to
13593 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
13594 to GCC_INCLUDE_DIR and its length.
13595 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
13596 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
13597 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
13599 (include_defaults_array): Move to cppdefault.c.
13601 * cppdefault.h: New file.
13602 * cppdefault.c: New file.
13604 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
13605 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
13606 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
13609 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13611 * reload.c (push_reload): When seeing if can reuse a register,
13612 check extra registers against widest of INMODE and OUTMODE.
13614 2000-07-06 Neil Booth <NeilB@earthling.net>
13616 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
13617 based on full length of predicate.
13619 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
13621 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
13622 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
13624 2000-07-05 Kazu Hirata <kazu@hxi.com>
13626 * h8300-proto.h: Fix formatting.
13627 * h8300.c: Likewise.
13628 * h8300.h: Likewise.
13630 2000-07-05 Jim Wilson <wilson@cygnus.com>
13632 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
13635 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
13637 * invoke.texi: Fix minor typos
13638 * md.texi: Fix minor typos
13640 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
13642 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
13644 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13646 * cpplex.c: Don't include sys/mman.h.
13647 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
13649 * cpplib.c: Include sys/mman.h and obstack.h.
13650 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
13652 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
13653 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
13654 bother freeing if stack entries (they will be freed with their buffer).
13655 (do_endif): Free if stack entries from the buffer obstack.
13656 (push_conditional): Allocate if stack entries from the buffer obstack.
13658 (find_answer): Rename to _cpp_find_answer.
13659 (do_assert, do_unassert): Update.
13661 * cpphash.h: Update prototypes.
13662 (xobnew): New convenience macro.
13663 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
13665 (struct cpp_hashnode): Remove disabled field.
13667 * cppinit.c: Don't include hashtab.h or splay-tree.h.
13668 (report_missing_guard): Moved to cppfiles.c.
13669 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
13671 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
13672 cpp_cleanup_includes. Don't destroy hashtab or
13673 all_include_files here.
13674 (cpp_finish): Use _cpp_report_missing_guards.
13676 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
13677 (_cpp_init_include_table): Rename _cpp_init_includes.
13678 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
13680 * cppexp.c (parse_assertion): Update for new name of
13683 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
13685 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13687 * cpplib.c (do_ident): s/VSPACE/EOF/
13689 2000-07-05 Neil Booth <NeilB@earthling.net>
13691 * cpplex.c: Fix trigraph replacement within strings.
13693 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13695 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
13697 * xcoffout.c (assign_type_number): Constify.
13698 (xcoffout_source_file): Add static prototype. Don't needlessly
13699 cast away const-ness.
13701 2000-07-04 Jason Merrill <jason@redhat.com>
13703 * frame.h (frame_state): Move base_offset to end.
13705 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13707 * calls.c (emit_library_call_value_1): Revert previous change.
13709 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13711 * fix-header.c (struct partial_proto): Remove unnecessary fields.
13712 (recognized_extern, recognized_function, read_scan_file):
13713 Update for new scheme.
13714 (check_protection): It's still a multiple include guard even
13715 if it doesn't always trigger.
13716 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
13718 * scan.h: Declare struct cpp_token. Update prototypes.
13720 2000-07-03 Neil Booth <neilb@earthling.net>
13721 Zack Weinberg <zack@wolery.cumb.org>
13723 Complete overhaul of the lexer and macro expander.
13725 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
13726 arg, arglist, argdata, reflist, collect_objlike_expansion,
13727 collect_funlike_expansion, collect_params,
13728 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
13729 unsafe_chars, macarg, compare_defs, special_symbol,
13730 scan_arguments, stringify, funlike_macroexpand,
13731 _cpp_quote_string, monthnames): Delete.
13732 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
13733 _cpp_create_definition, _cpp_dump_definition,
13734 dump_hash_helper): Adjust.
13735 (find_param, count_params, parse_define, var_args_str,
13736 check_macro_redefinition, save_expansion): New.
13738 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
13739 parse_string, output_line_command, trigraph_replace,
13740 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
13741 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
13742 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
13743 _cpp_skip_rest_of_line): Modify.
13745 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
13746 find_position, null_warning, bump_column, expand_name_space,
13747 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
13748 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
13749 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
13750 _cpp_prescan): Delete.
13752 (dump_param_spelling, process_directive, lex_next,
13753 is_macro_disabled, stringify_arg, expand_context_stack,
13754 output_token, make_string_token, alloc_number_token,
13755 special_symbol, duplicate_token, maybe_paste_with_next,
13756 can_paste, prevent_macro_expansion, restore_macro_expansion,
13757 get_temp_token, release_temp_tokens, quote_string,
13758 token_names, token_spellings, _cpp_expand_name_space,
13759 _cpp_glue_header_name, _cpp_reserve_name_space,
13760 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
13761 placemarker_token, eof_token, cpp_context, macro_args,
13762 get_raw_token, parse_arg, parse_args, save_token,
13763 push_arg_context, push_macro_context, pop_context,
13764 do_pop_context, free_macro_args, _cpp_get_line,
13765 _cpp_run_directive): New.
13767 * cpplib.c (validate_else, parse_include, push_conditional,
13768 pass_thru_directive, read_line_number, parse_ifdef,
13769 detect_if_not_defined, _cpp_check_directive, do_define,
13770 do_undef, do_include, do_import, do_include_next, do_error,
13771 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
13772 top_pragmas, do_pragma_gcc, do_pragma_implementation,
13773 do_pragma_poison, do_pragma_system_header,
13774 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
13775 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
13776 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
13777 cpp_defined): Update for new scheme.
13778 (strtoul_for_line, get_define_node, dump_macro_name,
13779 _cpp_check_linemarker, _cpp_parse_assertion): New.
13780 (_cpp_handle_directive, do_pragma_default): Delete.
13782 * cpphash.h (struct predicate): Now struct answer.
13783 (enum spell_type, struct token_spelling, struct directive,
13784 directive_handler): New.
13785 Update prototypes. Remove unused macros.
13786 * cpplib.h: Update prototypes. Remove unused macros,
13787 structure definitions, and fields.
13789 * cpperror.c (print_containing_files, v_message): Adjust.
13790 * cppexp.c (parse_assertion, lex, parse_escape,
13791 _cpp_parse_expr): Adjust.
13792 * cppfiles.c (open_include_file, _cpp_execute_include,
13793 _cpp_compare_file_date, cpp_read_file, read_include_file):
13795 * cppinit.c (dump_special_to_buffer): Delete.
13796 (append_include_chain, merge_include_chains, cpp_reader_init,
13797 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
13798 cpp_finish, handle_option, print_help): Adjust.
13799 * cppmain.c (main): Adjust.
13801 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13803 * cppspec.c (lang_specific_driver): Use double quotes in error
13806 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13808 * calls.c (emit_library_call_value_1): Use valreg instead
13809 of hard_libcall_value.
13811 2000-07-03 Geoff Keating <geoffk@cygnus.com>
13813 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
13814 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
13815 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
13823 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
13824 mode instead of wider_mode is being used.
13826 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13828 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
13829 of 'r'. Use q_regs_operand.
13830 (andsi_1+2): Use q_regs_operand.
13832 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13834 * builtins.c (get_memory_rtx): Always put into alias set 0.
13836 2000-07-03 Nick Clifton <nickc@cygnus.com>
13838 * config/arm/arm.md: Fix post increment and pre increment
13839 peepholes so that they do not generate UNPREDICATBLE opcodes.
13840 (ie ones where the increment clobbers the source/destination).
13842 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
13844 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
13845 change too big for -mtiny-stack" a warning, if larger than 63.
13846 (out_set_stack_ptr): Change the logic so -mno-interrupts is
13847 always safe to use on possible future devices.
13848 (function_prologue): Write SPH before SPL, for consistency.
13849 If interrupt_func_p true, we know we have enabled interrupts.
13850 (avr_num_arg_regs): New function. Round up to even number of
13851 bytes if no -mpack-args or if calling a libgcc function.
13852 (function_arg, function_arg_advance): Use it.
13853 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
13854 Output "movw" if available.
13855 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
13856 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
13857 (asm_output_section_name): Add blanks for consistent output.
13858 (encode_section_info): Set TREE_READONLY for progmem data to
13859 avoid gas warnings about changed section attributes.
13860 (avr_hard_regno_mode_ok): Force non-QImode data to start in
13861 even numbered registers on devices with "movw".
13862 * config/avr/avr.h (MASK_*): Define bits for target_flags.
13863 (TARGET_SWITCHES): Mark help strings for translation.
13864 Add new -mpack-args and -menhanced switches.
13865 (TARGET_OPTIONS): Mark help strings for translation.
13866 (progmem_section): Add section attributes.
13867 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
13868 Output "movw" if available.
13869 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
13871 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
13872 call convention (arguments aligned on even registers).
13873 (_cleanup, _exit): Make weak symbols libc can override.
13875 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13877 * fp-bit.h: New file.
13879 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
13880 Comment #endif statements.
13881 (__thenan_sf, __thenan_df): Add missing braces around initializer.
13883 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
13885 * gcse.c (compute_pre_data): Compute ae_kill using other local
13886 properties instead of calling compute_ae_kill.
13888 * alias.c (init_alias_analysis): Do not call
13889 prologue_epilogue_contains until after reload has completed.
13891 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
13893 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
13894 (genrtl_finish_compound_stmt): Likewise.
13895 (genrtl_compound_stmt): Change to return void.
13897 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
13898 move code from here to ...
13899 (genrtl_compound_stmt): ... here.
13900 (genrtl_finish_compound_stmt): Remove.
13901 (expand_stmt): Add comment.
13903 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
13905 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
13908 2000-07-02 Jakub Jelinek <jakub@redhat.com>
13910 * cpplib.h (struct cpp_reader): New field include_depth.
13911 (struct cpp_printer): Rename last_bsd to last_id.
13912 * cppfiles.c (read_include_file): Bump include_depth.
13913 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
13914 (output_line_command): Output correct #line if a header
13915 is including itself and is not protected against multiple inclusion.
13916 Use include_depth instead of buffer_stack_depth, last_id instead of
13918 * cppinit.c (cpp_start_read): Initialize last_id instead of
13921 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
13923 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
13924 (c-semantics.o): New target.
13926 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
13927 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
13928 (genrtl_clear_out_block): Likewise.
13929 (genrtl_goto_stmt): Likewise.
13930 (genrtl_expr_stmt): Likewise.
13931 (genrtl_decl_stmt): Likewise.
13932 (genrtl_if_stmt): Likewise.
13933 (genrtl_while_stmt): Likewise.
13934 (genrtl_do_stmt): Likewise.
13935 (genrtl_return_stmt): Likewise.
13936 (genrtl_for_stmt): Likewise.
13937 (genrtl_break_stmt): Likewise.
13938 (genrtl_continue_stmt): Likewise.
13939 (genrtl_scope_stmt): Likewise.
13940 (genrtl_switch_stmt): Likewise.
13941 (genrtl_case_label): Likewise.
13942 (genrtl_begin_compound_stmt): Likewise.
13943 (gerntl_finish_compound_stmt): Likewise.
13944 (genrtl_compound_stmt): Likewise.
13945 (genrtl_asm_stmt): Likewise.
13946 (genrtl_decl_cleanup): Likewise.
13947 (DECL_ANON_UNION_ELEMS): Likewise.
13948 (emit_local_var): Likewise.
13949 (make_rtl_for_local_static): Likewise.
13950 (expand_cond): Likewise.
13951 (expand_stmt): Likewise.
13952 (c_expand_return): Likewise.
13953 (c_expand_start_case): Likewise.
13954 (do_case): Likewise.
13955 (COMPOUND_STMT_NO_SCOPE): Likewise.
13956 (c_expand_asm_operands): Likewise.
13957 (NEW_FOR_SCOPE_P): New macro.
13958 (expand_expr_stmt_fn): New type.
13960 (set_current_function_name_declared): Likewise.
13961 (current_function_name_declared): Likewise.
13962 (lang_expand_stmt): Likewise.
13963 (stmts_are_full_exprs_p): Likewise.
13964 (anon_aggr_type_p): Likewise.
13965 (lang_expand_expr_stmt): Likewise.
13966 (build_case_label): Likewise.
13968 * c-decl.c (lang_expand_expr_stmt): Initialize.
13969 (stmts_are_full_exprs_p): Define.
13970 (current_function_name_declared): Likewise.
13971 (do_case): Likewise.
13972 (lang_expand_stmt): Likewise.
13973 (set_current_function_name_declared): Likewise.
13974 (anon_aggr_type_p): Likewise.
13976 * c-semantics.c: New file.
13977 (expand_cond): Moved from cp/semantics.c.
13978 (genrtl_do_pushlevel): Likewise.
13979 (genrtl_clear_out_block): Likewise.
13980 (genrtl_goto_stmt): Likewise.
13981 (genrtl_expr_stmt): Likewise.
13982 (genrtl_decl_stmt): Likewise.
13983 (genrtl_if_stmt): Likewise.
13984 (genrtl_while_stmt): Likewise.
13985 (genrtl_do_stmt): Likewise.
13986 (genrtl_return_stmt): Likewise.
13987 (genrtl_for_stmt): Likewise.
13988 (genrtl_break_stmt): Likewise.
13989 (genrtl_continue_stmt): Likewise.
13990 (genrtl_scope_stmt): Likewise.
13991 (genrtl_switch_stmt): Likewise.
13992 (genrtl_case_label): Likewise.
13993 (genrtl_begin_compound_stmt): Likewise.
13994 (genrtl_finish_compound_stmt): Likewise.
13995 (genrtl_compound_stmt): Likewise.
13996 (genrtl_asm_stmt): Likewise.
13997 (genrtl_decl_cleanup): Likewise.
13998 (make_rtl_for_local_static): Moved from cp/decl.c.
13999 (emit_local_var): Likewise.
14000 (expand_stmt): Define.
14002 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
14003 (c_expand_return): Likewise.
14004 (c_expand_start_case): Likewise.
14006 2000-07-01 Richard Henderson <rth@cygnus.com>
14008 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
14009 with the low 13 bits set.
14010 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
14011 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
14012 of the low 13 bits into a CONST plus an adddi3.
14013 (load_symptr): Set RTX_UNCHANGING_P.
14015 See ChangeLog.3 for earlier changes.