1 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2 Bernd Schmidt <bernds@redhat.com>
3 Jan Hubicka <jh@suse.cz>
5 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6 (function_arg): Likewise.
8 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
10 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
12 2001-02-21 Kazu Hirata <kazu@hxi.com>
14 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
18 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
20 * flow.c (init_propagate_block_info): Canon address and use single_set
21 for killing dead memory stores.
23 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
25 * Makefile.in (reorg.o): Add params.h dependence.
26 * params.def: Fix typographical error in comment.
27 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
28 * params.h: Modify introductory comment.
29 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
30 * reorg.c: Add dependence on params.h.
31 (redundant_insn): Add parameterized throttle for search.
32 (fill_simple_delay_slots): Add a comment explaining a variable.
33 Move conditional out of loop, simplifying code.
34 (fill_eager_delay_slots): Fix typographical error in comment.
36 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
38 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
40 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
41 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
43 2001-02-21 Jason Merrill <jason@redhat.com>
45 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
46 (struct tree_decl): Add uninlinable bitfield.
47 * c-decl.c (duplicate_decls): Set it.
48 * integrate.c (function_cannot_inline_p): Check it.
50 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
51 DW_AT_MIPS_linkage_name to abstract methods.
52 (dwarf2out_abstract_function): Emit class context before calling
53 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
54 (gen_subprogram_die): Remove obsolete code.
55 (gen_member_die): Don't include clones in the member list.
56 (gen_decl_die): Emit abstract info for clone origin.
57 * dwarfout.c (output_type): Don't include clones in the member list.
58 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
59 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
60 DECL_ABSTRACT on a function that already has it set.
62 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
63 (get_subprogram_die): Pass it in.
65 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
67 * flow.c (mark_set_1): Make not_dead unsigned long. For
68 non-pseudos, use it as a bitmask of the hard regs that
71 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
73 * cppfiles.c: Update comments.
74 (_cpp_read_file): Don't check for NULL filenames any more.
75 * cppinit.c (cpp_start_read): Don't do canonicalization of
76 in_fname and out_fname. Use the passed file name exclusively.
77 (_cpp_handle_options): Don't treat "-" as a command line option,
78 but as a normal filename.
79 (_cpp_post_options): Canonicalize in_fname and out_fname.
80 * cppmain.c (printer_init): Don't check out_fname for NULL.
81 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
82 (init_c_lex): Update, and use "" to represent stdin to CPP.
85 2001-02-20 Will Cohen <wcohen@redhat.com>
87 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
88 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
89 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
92 2001-02-20 Stan Shebs <shebs@apple.com>
94 * config/rs6000/rs6000.c (output_cbranch): Output branches
95 on separate lines instead of using ';' to separate.
97 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
99 * cppinit.c (set_lang): Move builtin handling to...
100 (init_builtins): ...here.
101 (_cpp_create_reader): Move call to set_lang.
103 2001-02-20 Mark Mitchell <mark@codesourcery.com>
105 * stmt.c (expand_return): If an attempt is made to return the
106 error_mar_node, treat the return like a return without a value.
108 2001-02-19 Zack Weinberg <zackw@stanford.edu>
110 * sibcall.c (skip_copy_to_return_value): Call
111 identify_call_return_value here, and return orig_insn if it
112 returns zero. Hardret and softret arguments now unnecessary.
113 (call_ends_block_p): Don't call identify_call_return_value here.
115 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
117 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
118 * ggc.h (ggc_mark_if_gcable): Delete prototype.
120 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
122 * pa.c (move_operand): Accept code to load the address of a
123 symbol out of the DLT as a valid move operand.
124 (print_operand, case 'A'): New to handle generating a DLT
125 reference for a LO_SUM expression.
126 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
127 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
129 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
131 * README, cpp.texi, gcc.texi, version.c: Update version number to
133 * cpp.1, gcov.1, gcc.1: Regenerate.
135 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
137 * cppfiles.c (stack_include_file): Generate dependencies
138 here, and manage include_count here too.
139 (PRINT_THIS_DEP): Delete.
140 (_cpp_execute_include): Do not generate dependencies here,
141 apart from the case of a missing header. Do not manage
143 (_cpp_read_file): Leave dependency generation to
146 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
148 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
149 target_cpu_default. Remove dead assignment to
152 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
154 * regclass.c (contains_reg_of_mode): Make global.
155 (init_reg_sets): Remove contains_reg_of_mode; take into account
156 CLASS_MAX_NREGS when looking for the proper mode.
157 (dump_regclass): Dump only classes considered for the pseudo.
158 (regclass): Use contains_reg_of_mode.
160 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
162 * gcc.c (do_spec_1): 'n' for printing notices.
163 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
165 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
167 * reg-stack.c (next_flags_user): Use current_block->end
168 (swap_rtx_condition): Look for next user if flags don't die;
169 give up on CALL_INSNs; use current_block->end.
171 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
173 * sibcall.c (call_ends_block_p): New function.
174 (optimize_sibling_and_tail_recursive_call): Use it.
176 2001-02-18 Kazu Hirata <kazu@hxi.com>
178 * config/h8300/h8300.md: Update copyright.
179 (andsi3): Do not output an extra newline character.
181 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
183 * toplev.c (note_deferral_of_defined_inlined_function): Argument
184 FNDECL may be unused.
186 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
187 follow jumps after first run.
188 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
189 it doesn't change any jumps.
191 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
193 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
194 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
195 (mostlyclean): Corresponding changes.
196 * rtlanal.c (hard-reg-set.h): Include.
197 (rtx_unstable_p): Do not treat the argument pointer specially
198 if it is not a fixed register.
199 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
201 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
203 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
204 against last real insn in basic block.
205 Rework to avoid gotos.
207 * Makefile.in (gcse.o): Now includes ggc.h.
208 * gcse.c: Include ggc.h.
209 (want_to_gcse_p): Verify expression can be in SET as valid insn.
210 (try_replace_reg): Remove warning of uninitialize variable.
211 (process_insert_insn): Call invalid_insn_p to validate insn.
212 * recog.c (insn_invalid_p): Now global.
213 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
214 * recog.h (insn_invalid_p): New declaration.
216 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
218 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
219 assignments from FP constants since 'Y' output code can't handle it.
220 (eligible_for_sibcall_delay): Likewise.
222 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
223 Call fancy_abort directly, passing args.
224 (print_rtl_and_abort): Now a macro, like fancy_abort.
226 * final.c (output_operand_lossage): Use internal_error, not error.
228 2001-02-18 Shane Nay <shane@agendacomputing.com>
230 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
231 structure shift insns.
233 2001-02-18 Mark Mitchell <mark@codesourcery.com>
235 * invoke.texi (-fsquangle): Remove documentation.
236 (-fname-mangling-version): Likewise.
238 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
240 * optabs.c (expand_abs): Remove reference to
241 HAVE_contitional_arithmetic.
242 * combine.c (simplify_set): Likewise.
244 2001-02-18 Richard Henderson <rth@redhat.com>
246 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
249 2001-02-18 Richard Henderson <rth@redhat.com>
251 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
253 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
255 * reload1.c (reload_cse_simplify_set): Fix typo.
257 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
259 * diagnostic.c (_fatal_insn): Decrement errorcount.
261 * invoke.texi (-I): Add note avoiding use for system header files.
263 * rtl.h (add_clobbers): Remove duplicate declaration.
264 * recog.h (added_clobbers_hard_reg_p): New declaration.
265 * genemit.c (struct clobber_pat): New field has_hard_reg.
266 (gen_insn): Record if added clobbers clobber hard reg.
267 (gen_split): Avoid unused warning if number of operands is 0.
268 (output_added_clobbers_hard_reg_p): New function.
271 2001-02-18 Alan Modra <alan@linuxcare.com.au>
273 * pa.c (hppa_expand_prologue): Simplify code storing return
274 pointer. For large (>=8k) frames with a post_store, adjust stack
275 pointer by 8k-64 first rather than by 64. When testing with
276 VAL_14_BITS_P, always use the actual value rather than the value
277 negated. Add blockage to prevent scheduling of spills before
278 stack frame has been created.
279 (hppa_expand_epilogue): Simplify code loading return pointer.
280 Allow a slightly larger range for merge_sp_adjust_with_load case.
281 When testing with VAL_14_BITS_P, always use the actual value.
283 * pa.c (pa_adjust_insn_length): Check that block move
284 pattern is a set before looking at operands.
286 2001-02-17 Mark Mitchell <mark@codesourcery.com>
288 * fold-const.c (fold_binary_op_with_conditional_arg): New
289 function, split out from ...
291 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
292 conditional arms that throw exceptions.
294 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
297 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
300 define HAVE_DECL_* to 1 to mask potential backup declarations.
301 * configure: Regenerated.
303 2001-02-17 Mark Mitchell <mark@codesourcery.com>
305 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
307 2001-02-17 Richard Henderson <rth@redhat.com>
309 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
310 when replacing a memory load with a register.
312 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
313 Jan Hubicka <jh@suse.cz>
315 * recog.c (validate_replace_src_1): New.
316 (validate_replace_src_data): Likewise.
317 (validate_replace_src): Use note_uses.
318 * rtl.h (note_uses): Declare.
319 * rtlanal.c (note_uses): New.
321 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
323 * reg-stack.c (stack_def): Make field reg unsigned.
324 (remove_regno_note): Unsignetize parameter.
326 2001-02-16 Jes Sorensen <jes@linuxcare.com>
328 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
329 shladd_operand() call.
331 2001-02-16 Bruce Korb <bkorb@gnu.org>
332 Rodney Brown <RodneyBrown@mynd.com>
334 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
335 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
337 * fixinc/fixincl.x: regen
339 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
341 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
343 (hash_scan_insn): Clean up calls to hash_scan_set.
344 (compute_kill_rd): REGNO now unsigned.
345 (try_replace_reg): Rework to use simplify_replace_rtx.
346 (cprop_jump, cprop_cc0_jump): Likewise.
347 (cprop_insn): Call find_reg_equal_equiv_note.
348 Reflect changes to cprop_jump and cprop_cc0_jump.
350 * recog.c (validate_replace_src): Replace in operands of
351 ZERO_EXTRACT in SET_DEST.
353 * cse.c (new_label_ref): New variable.
354 (insert): Set it instead of recorded_label_ref.
355 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
356 CODE_LABEL for this function, and not already in REG_LABEL note.
358 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
360 * resource.c (mark_referenced_resources): Fix typo in introductory
362 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
365 2001-02-16 Jason Merrill <jason@redhat.com>
367 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
369 (gen_subprogram_die): Don't abort on seeing a second definition if
370 the previous one was abstract. Don't replace an abstract instance
373 * dwarf2out.c (dwarf2out_abstract_function): Rename from
374 gen_abstract_function.
375 * dwarf2out.h: Declare it.
376 * toplev.c (note_outlining_of_inline_function): New fn.
377 * toplev.h: Declare it.
378 * integrate.c (output_inline_function): Call it.
379 * c-decl.c (duplicate_decls): Call it when redefining an extern
380 inline. Don't inline the new defn.
382 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
384 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
386 * .gdbinit: Rename to gdbinit.in.
387 * gdbinit.in: New file,
388 * configure.in: Generate .gdbinit from gdbinit.in.
389 * configure: Regenerated.
390 * Makefile.in (distclean): Always remove .gdbinit.
392 2001-02-16 Jakub Jelinek <jakub@redhat.com>
394 * objc/objc-act.c (start_class): Register implemented_classes with
397 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
399 * cppfiles.c (_cpp_make_system_header): Generate a file
402 2001-02-15 Jim Meyering <meyering@lucent.com>
404 * Makefile.in (install-common): Don't depend on installdirs here.
405 Instead, make each of the lang.install-common targets (e.g.,
406 c++.install-common in cp/Make-lang.in) depend on it.
407 (install-driver): Depend on installdirs.
409 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
411 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
413 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
416 2001-02-15 Mark Mitchell <mark@codesourcery.com>
418 * invoke.texi (--param): Document.
420 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
422 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
424 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
426 * i386.md (extendsfdf2_2): Fix constraints.
428 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
430 * i386.md (fop_df_3 splitter): Fix operand number.
432 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
434 * invoke.texi (-mreg-alloc): Nuke.
435 * i386.c (ix86_reg_alloc_order, regs_allocated,
436 order_regs_for_local_alloc): Nuke.
437 (override_options): Kill reg_alloc code.
438 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
439 (REG_ALLOC_ORDER): SSE goes before I387.
440 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
441 (ix86_reg_alloc_order): Likewise.
442 * i386-protos.h (ix86_reg_alloc_order): Kill.
444 2001-02-14 Richard Henderson <rth@redhat.com>
446 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
448 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
450 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
452 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
454 * i386-protos.h (ix86_memory_move_cost): Move offline.
455 * i386.c (ix86_register_move_cost): Compute properly cost of
456 SSE, MMX and i387 instructions.
457 (*_cost): Add costs of SSE/MMX moves.
458 (ix86_memory_move_cost): Move offline from ....; Likewise.
459 * i386.h (MEMORY_MOVE_COST): .... here;
460 (struct processor costs): Add new fields to represent costs
463 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
465 * regclass.c (init_reg_sets_1): Reinstall the optimization of
466 move_cost together with Matt Kraai's fix.
468 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
470 * Makefile.in (OBJS): Add params.o.
472 2001-02-14 Richard Henderson <rth@redhat.com>
473 DJ Delorie <dj@redhat.com>
475 * jump.c (jump_optimize_1): When we delete a conditional jump
476 preceeding a non-conditional jump to effectively the same place,
477 make sure that the combined jump skips any clobber insns between
480 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
482 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
484 2001-02-14 Mark Mitchell <mark@codesourcery.com>
486 * Makefile.in (toplev.o): Depend on params.h.
487 (intergate.o): Likewise.
488 (params.o): New target.
489 * flags.h (inline_max_insns): Remove.
490 * integrate.c: Include params.h.
491 Use MAX_INLINE_INSNS instead of inline_max_insns.
492 * params.c: New file.
493 * params.h: Likewise.
494 * params.def: Likewise.
495 * toplev.c: Include params.h.
496 (lang_independent_params): New variable.
497 (decode_f_option): Use the param machinery instead of setting
499 (independent_decode_option): Handle "--param name=value".
500 (main): Register language-independent parameters.
502 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
504 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
506 2001-02-14 Richard Henderson <rth@redhat.com>
508 * regclass.c (init_reg_sets_1): Revert last two changes.
510 2001-02-14 Jakub Jelinek <jakub@redhat.com>
512 * stor-layout.c (is_pending_size, put_pending_size): New functions.
513 (variable_size): Call put_pending_size.
514 * tree.h (is_pending_size, put_pending_size): Add prototypes.
515 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
516 sizes list, put newly created SAVE_EXPR there as well.
518 2001-02-14 Jakub Jelinek <jakub@redhat.com>
520 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
521 (errata_find_address_regs): load_group has only 2 entries.
522 (errata_emit_nops): Likewise. shladd is not problematic.
523 Clear last_group if nop was emitted.
524 (fixup_errata): load_group has only 2 entries.
527 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
529 * c-lex.c (lex_number): Only warn traditionally for U suffix
530 outside system macros.
531 * cppexp.c (parse_number): Similarly.
532 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
533 * cppmacro.c (struct cpp_macro): New member node.
534 (parse_args): Only warn about missing rest args if not
536 (funlike_invocation_p): Similarly for uninvoked funlike macros.
537 (cpp_sys_objmacro_p): New.
538 (_cpp_create_definition): Store the node with the macro defn.
539 Remember if the macro is defined in a system header.
541 2001-02-13 DJ Delorie <dj@redhat.com>
543 * configure.in (check_languages): determine languages to check
544 * Makefile.in (check-c++): alias for check-g++
545 (check-f77): alias for check-g77
546 (CHECK_TARGETS): depend on configured languages
548 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
550 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
551 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
552 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
553 (sqrtextendsfdf2): Disable for SSE2.
555 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
557 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
558 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
559 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
560 (sqrtextendsfdf2): Disable for SSE2.
562 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
564 * i386.md (movsfcc_1): Support integer cmove instruction.
565 (movdfcc_1): Likewise; new splitter.
567 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
569 * i386.c (output_fp_compare): Support SSE.
570 (prepare_fp_compare_args): SSE comparisons always support memory.
571 * i386.h (TARGET_CMOVE): SSE imply cmove.
572 * i386.md (cmp?f2): Enable for SSE too.
573 (cmpfp_i*): Support SSE.
575 (cmpfp_i_sse_only): New.
576 (s*, b* fp expanters): Enable for SSE too.
577 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
580 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
582 * regclass.c (init_reg_sets_1): Silence warning.
584 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
586 * i386.md (sqrt?f2): Change to expander.
587 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
589 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
591 * rtlanal.c (find_reg_equal_equiv_note): New function.
592 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
593 (simplify_gen_relational, simplify_replace_rtx): Likewise.
594 * rtl.h: Add declarations for above functions.
596 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
598 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
600 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
601 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
602 * flow.c (mark_regs_live_at_end): Likewise.
603 (calculate_global_regs_live): Likewise.
604 * gcse.c (compute_hash_table): Likewise.
605 (compute_kill_rd): Likewise.
606 * resource.c (mark_target_live_regs): Likewise.
607 * rtl.h (INVALID_REGNUM): New macro.
609 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
611 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
613 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
615 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
618 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
620 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
622 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
623 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
624 (fop_sf_1_sse, fop_df_1_sse): New patterns
625 (fop_*): Disable float_extend and float patterns for SSE compilation.
626 * i386.c (output_387_binary_op): Support SSE.
628 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
630 * i386.md (dummy_extendsfdf2): Support SSE2
631 (extendsfdf2): Enable if 80387 or SSE2.
632 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
634 (extendsfdf2_1_sse_only): New pattern.
635 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
637 (truncdfsf2_1): Support SSE.
638 (truncdfsf2_2): Support SSE.
639 (truncdfsf2_2_1_sse): New pattern.
640 (fixtruncsfsi2): Always use SSE if available.
641 (fix_truncsfsi_sse): New pattern.
642 (fix_truncdfsi_sse): New pattern.
643 (floatsis?f2): Support SSE.
644 (floatsidf2_i387): New pattern.
645 (floatsidf2_sse): Likewise.
647 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
649 * configure.in: Use "have_gnat" variable, not "gnat".
650 * configure: Regenerated.
652 * config/sparc/sparc.c (function_value): Treat all non-record
653 aggregate types like used to treat UNION_TYPE.
655 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
657 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
658 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
660 (MASK_MIX_SSE_I387): New.
661 (TARGET_SSE): SSE2 imply SSE.
662 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
663 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
664 (enum reg_class): Add new classes.
665 (REG_CLASS_NAMES): Likewise.
666 (REG_CLASS_CONTENTS): Likewise.
667 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
668 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
669 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
670 (CLASS_MAX_NREGS): Use new macros.
671 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
672 * i386.md (pushsf, movsf): Support SSE.
673 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
674 splitters to use ANY_FP_REGNO_P.
675 (movdf_nointeger, movdf_integer): Likewise.
677 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
679 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
680 (try_combine): Use it.
682 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
684 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
685 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
686 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
687 (REGISTER_MOVE_COST): Likewise.
688 * i386-protos.h (ix86_secondary_memory_needed,
689 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
690 * i386.c (ix86_secondary_memory_needed,
691 ix86_preferred_reload_class, ix86_register_move_cost): New function.
693 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
695 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
696 (HARD_REGNO_MODE_OK): Move offline to ....
697 * i386.c (ix86_hard_regno_mode_ok) ... here;
698 refuse all incorrect modes.
699 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
701 2001-02-13 Richard Henderson <rth@redhat.com>
703 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
704 entire operator; replicate that and match_dup the operands.
705 (cmp_ccx_arith_op_set): Likewise.
706 (cmp_cc_arith_op_not_set): Likewise.
707 (cmp_ccx_arith_op_not_set): Likewise.
709 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
711 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
713 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
715 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
716 (TARGET_NO_BITFIELD_WORD): New macro.
717 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
718 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
720 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
722 * cselib.c: New file, from simplify-rtx.c.
723 * simplify-rtx.c: Remove cselib parts.
724 * Makefile.in: Add cselib.o.
726 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
728 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
729 (setup_incoming_varargs): Remove warning.
731 * config/rs6000/rs6000.c (validate_condition_mode): When
732 flag_fast_math, allow floating-point conditionals to be reversed.
733 (rs6000_generate_compare): When flag_fast_math, don't generate
734 cror operations for FP conditionals.
736 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
738 (ASM_SPEC): Likewise.
739 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
740 (CC1_SPEC): Likewise.
741 (LINK_TARGET_SPEC): Likewise.
742 (CPP_ENDIAN_SPEC): Likewise.
743 * Makefile.in (check-consistency): New target.
745 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
747 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
748 "return type defaults" warning for functions with return type
750 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
751 function declarations by default rather than only when pedantic.
753 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
755 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
758 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
760 * extend.texi (Deprecated): Deprecate new initializer lists.
762 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
764 * mkdeps.c (deps_add_default_target): Robustify. Add
765 basename component only.
766 * cpp.texi (-M): Describe how default target is generated.
767 * invoke.texi (-M): Likewise.
769 2001-02-12 Kazu Hirata <kazu@hxi.com>
771 * toplev.c (push_float_handler): Remove.
772 (pop_float_handler): Remove.
773 * toplev.h: Remove prototypes for the above functions.
775 2001-02-12 Jakub Jelinek <jakub@redhat.com>
777 * c-common.c (constant_fits_type_p): New function.
778 (convert_and_check): Use it.
780 2001-02-11 Mark Mitchell <mark@codesourcery.com>
782 * Makefile.in (GXX_ABI_FLAG): Don't define.
783 * configure.in (--enable-new-gxx-abi): Remove option.
784 * config.in: Regenerated.
785 * configure: Likewise.
787 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
789 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
791 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
792 regular basic block, and arrange for all edges into it to switch
795 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
797 * Makefile.in (distclean): Do not remove .gdbinit.
799 2001-02-11 Mark Mitchell <mark@codesourcery.com>
801 * Makefile.in (gcc.o): Fix typos.
802 (protize.o): Likewise.
803 (unprotoize.o): Likewise.
805 2001-02-11 Richard Henderson <rth@redhat.com>
807 * tree.c (build1): Check for null operand in last change.
809 2001-02-11 Richard Henderson <rth@redhat.com>
811 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
812 (fold): Don't assume a constant isn't foldable.
813 * tree.c (build): Set TREE_CONSTANT for an expression with no
814 side-effects and constant operands.
817 2001-02-10 Richard Henderson <rth@redhat.com>
819 * jump.c (squeeze_notes): Revert 2000-05-12 change.
821 2001-02-10 Anthony Green <green@redhat.com>
823 * cpp.texi (Standard Predefined): Add documentation for
826 * c-common.c (combine_strings): Improve warning message.
828 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
830 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
832 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
834 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
836 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
839 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
841 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
844 2001-02-09 Nick Clifton <nickc@redhat.com>
846 * config/arm/arm.md: Change output contraint on post inc
847 load/store multiple patterns to be a read/write contraint.
849 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
851 * gcc.c (cpp_options): Delete .d files on error. Don't delete
852 .o files when using the -M options.
854 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
855 David Edelsohn <edelsohn@gnu.org>
857 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
858 handle DImode constants. Use one TOC entry for SImode and smaller
859 constants, aligned properly.
861 2001-02-08 Jason Merrill <jason@redhat.com>
863 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
864 about the SP adjustment for saving the static chain pointer.
865 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
866 offset when setting a temporary CFA register.
868 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
870 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
871 powerpc-*-chorusos* .
872 * config/rs6000/chorus.h : New file.
873 * config/i386/chorus.h : New file.
874 * config/sparc/chorus.h : New file.
875 * config/sparc/t-chorus-elf : New file.
877 2001-02-08 David Edelsohn <edelsohn@gnu.org>
879 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
880 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
881 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
882 (__WCHAR_TYPE__): Correct macro name.
884 2001-02-08 Richard Henderson <rth@redhat.com>
886 * config/i386/i386.c (ix86_frame_pointer_required): New.
887 (ix86_setup_frame_addresses): New.
888 (struct machine_funciton): Add accesses_prev_frame.
889 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
890 ix86_frame_pointer_required.
891 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
892 (SETUP_FRAME_ADDRESSES): New.
893 * config/i386/i386-protos.h: Update.
894 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
895 from FRAME_POINTER_REQUIRED.
896 * config/i386/svr3gas.h: Likewise.
897 * config/i386/sysv3.h: Likewise.
898 * config/i386/v3gas.h: Likewise.
900 2001-02-08 Richard Henderson <rth@redhat.com>
902 * config/sparc/sparc.c (function_arg_record_value_3): Fix
903 calculation of the number of integer registers required.
904 (function_arg_record_value): Likewise.
906 2001-02-08 Jason Merrill <jason@redhat.com>
908 * diagnostic.c (internal_error): Say "confused" after 1 error, not
909 two. Print file and line with "confused" message.
911 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
913 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
915 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
917 2001-02-08 Bernd Schmidt <bernds@redhat.com>
919 * final.c (cleanup_subreg_operands): The address of a MEM can
922 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
925 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
927 * gcc.texi (Incompatibilities): Update documentation of
928 preprocessing numbers.
930 2001-02-07 Jakub Jelinek <jakub@redhat.com>
932 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
934 2001-02-07 Mark Mitchell <mark@codesourcery.com>
936 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
938 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
939 * gcc.c (struct compiler): Add cpp_spec field.
940 (input_file_compiler): New variable.
941 (do_spec_1): Allow a particular compiler to handle `%C'
943 (main): Store the current compiler in input_file_compiler.
944 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
946 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
948 * cpphash.h (struct spec_nodes): Add n_true and n_false.
949 * cppinit.c (cpp_create_reader): Initialize them.
950 (append_include_chain): cxx_aware arg might be unused.
951 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
952 keywords and give them their phase 7 meaning. Pedwarn about
953 this unless '__bool_true_false_are_defined' is defined.
955 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
957 * lcm.c (optimize_mode_switching): Emit mode_set before the
958 JUMP_INSN of an abnormal edge.
960 2001-02-07 Bernd Schmidt <bernds@redhat.com>
962 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
963 a scheduling barrier at the end.
965 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
967 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
969 * config/sh/sh.md (reload_outsf): Removed.
970 (movsf_ie): Introduce constraints for FPUL loads and stores.
971 (reload_insf): Broaden the output constraint.
973 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
975 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
976 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
978 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
980 * final.c: Revert my previous changes.
981 * output.h: Make profile_label_no extern.
982 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
983 for generating label.
985 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
987 * config/i386/djgpp.h: Add comments about standard paths.
988 (MD_EXEC_PREFIX): Undefine before defining.
989 (MD_STARTFILE_PREFIX): New.
991 2001-01-30 Bruce Korb <bkorb@gnu.org>
993 fixinc/fixincl.c(process): Emit error message only if appropriate :)
994 (load_file): do not rely on load_file_data() to close file pointer
995 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
996 fixinc/inclhack.def(irix_limits_const): add test_text
998 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1000 * cppexp.c (parse_defined): Improve diagnostics for invalid
1003 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1005 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1007 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1009 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1010 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1011 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1012 (rs6000_output_symbol_ref): New function.
1013 (output_toc): Use VTABLE_NAME_P.
1015 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1017 * print-tree.c (print_node, case PARM_DECL):
1018 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1020 * stor-layout.c (reference_types_internal): New variable.
1021 (internal_reference_types): New function.
1022 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1023 * tree.h (internal_reference_types): New declaration.
1025 * cse.c (find_best_addr): Fix typo in computing cost.
1027 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1029 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1030 and this is the sum of a pointer and a constant, we know the result
1032 (num_sign_bit_copies, case PLUS): Likewise.
1033 * explow.c (convert_memory_address): Remove opposite SUBREG.
1034 * function.c (instantiate_new_reg): New function (from common code).
1035 (instantiate_virtual_regs_1): Call it.
1036 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1037 if pointers sign- or zero-extend.
1038 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1039 If pointers extend unsigned, use inside of SUBREG.
1040 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1042 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1044 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1045 subdir of gcc_gxx_include_dir.
1046 (gcc_gxx_target_include_dir): Remove.
1048 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1050 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1051 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1052 a high-level description.
1054 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1056 * final.c: Move the declaration of profile_label_no to ...
1057 * output.h: ... here.
1058 * function.c (expand_function_start): Call PROFILE_HOOK.
1059 * config/rs6000/aix.h: Define PROFILE_HOOK.
1060 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1061 * config/rs6000/rs6000.c (output_profile_hook): Define.
1062 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1063 output_profile_hook.
1064 tm.texi : Explain new macro PROFILE_HOOK.
1066 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1068 * extend.texi (Extended Asm): Do not say that semicolon is always
1069 a valid line-breaking character for GNU assemblers. Use
1070 newline-tab as the most commonly supported syntax. Use
1071 newline-tab rather than semicolon in multi-insn examples.
1073 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1075 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1077 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1078 David Edelsohn <edelsohn@gnu.org>
1080 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1081 code for AIX, even without flag_pic.
1083 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1085 * c-typeck.c (common_type): push and pop binding level around
1086 calling common_type on function parameters.
1088 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1090 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1092 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1094 * config/mips/mips.c (override_options): Fix typo in last change.
1095 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1096 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1098 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1100 * invoke.texi (-fdump-class-layout): Document.
1101 (-fdump-translation-unit): Use `=' as filename separator.
1103 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1105 * Makefile.in (s-mlib): Don't build multilibs if
1107 (DRIVER_DEFINES): Adjust accordingly.
1109 (protoize.o): Likewise.
1110 (unprotoize.o): Likewise.
1111 * configure.in: Recognize --enable-multilib.
1113 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1115 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1117 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1118 * configure.in: Remove --enable-libstdcxx_v3 support.
1119 * configure: Regenerated.
1121 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1123 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1124 Call abort instead of fatal.
1125 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1126 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1127 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1128 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1129 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1130 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1132 * diagnostic.h (set_internal_error_function): Renamed.
1133 * toplev.h (internal_error): Renamed from fatal.
1134 (pfatal_with_name): Deleted.
1135 (fatal_io_error): Now has printf-style arguments.
1136 * diagnostic.c (pfatal_with_name): Deleted.
1137 (fatal_io_error): Rework to have args in printf-style.
1138 (set_internal_error_function): Renamed from set_fatal_function.
1139 (internal_error): Renamed from fatal.
1140 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1141 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1142 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1143 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1144 * flow.c (verify_flow_info): Likewise.
1145 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1146 * config/mips/mips.c (save_restore_insns): Likewise.
1148 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1149 * flow.c (verify_flow_info): Likewise.
1150 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1151 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1152 (avr_normalize_condition): Likewise.
1153 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1154 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1155 (limit_reload_class, double_reg_to_memory): Likewise.
1156 (print_operand_address, emit_1600_code_shift): Likewise.
1157 (gen_tst_reg, gen_compare_reg): Likewise.
1158 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1159 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1161 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1163 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1164 * objc/objc-act.c (build_ivar_chain): Likewise.
1165 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1167 * graph.c (clean_graph_dump_file): Likewise.
1168 * profile.c (init_branch_prob): Likewise.
1169 * objc/objc-act.c (objc_init): Likewise.
1171 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1172 * config/avr/avr.c (avr_override_options): Likewise.
1173 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1174 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1175 * config/h8300/h8300.c (h8300_init_once): Likewise.
1176 * config/mips/mips.c (override_options): Likewise.
1177 * config/i386/i386.c (override_options): Likewise, rework.
1178 * config/m68k/m68k.c (override_options): Likewise.
1180 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1182 * config/mips/mips.c (print_operand): Likewise.
1183 * hash.c (hash_allocate): Don't check for failure returns from
1184 obstack functions that can't fail.
1185 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1186 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1187 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1188 (get_object_reference): Likewise.
1190 2001-02-04 Nick Clifton <nickc@redhat.com>
1192 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1193 StrongARM1110, 10TDMI, and 1020T.
1195 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1197 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1199 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1201 * config/sh/sh.md (movdf load split): Pass register number to
1202 FP_OR_XD_REGISTER_P.
1204 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1206 * cppinit.c (BC): New macro.
1207 (builtin_array): Add __GXX_WEAK__.
1208 * cpplib.h (builtin_type): Add BT_WEAK.
1209 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1210 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1211 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1213 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1215 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1217 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1219 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1220 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1222 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1224 * cpphash.h: Rename ALIGN _ALIGN.
1225 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1227 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1229 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1230 compilation environment.
1231 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1232 control over location of cygwin includes and libs.
1234 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1236 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1238 2001-02-02 lars brinkhoff <lars@nocrew.org>
1240 * md.texi (Standard Names): remove reference to spur.md.
1242 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1244 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1245 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1246 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1247 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1248 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1250 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1252 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1253 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1254 number before reload.
1255 (c4x_adjust_cost): Return zero before reload.
1256 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1257 split before reload.
1259 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1261 * c4x.c (c4x_hard_regno_rename_ok): New.
1262 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1263 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1265 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1267 * diagnostic.h: Add missing "extern" in all declarations.
1269 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1271 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1272 as for gcc_gxx_include_dir.
1274 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1276 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1278 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1280 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1281 label before alignment to be used as the braf base address.
1282 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1284 (casesi_jump_2): Require at least TARGET_SH2.
1286 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1287 truncation to 32-bit doubles on -m3e and -m4-single-only.
1289 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1291 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1292 the default when building a shared object.
1293 (init_spec): Use it.
1294 * testsuite/lib/g++.exp: Include the directory where libgcc
1295 is located to the LD_LIBRARY_PATH list.
1296 * invoke.texi (-shared-libgcc): Document the cases in which
1297 GCC defaults to using the shared libgcc.
1299 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1301 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1302 unsigned is wide enough.
1304 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1305 (si_to_float): Likewise.
1306 (float_to_si, float_to_usi): Use BITS_PER_SI.
1308 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1310 * dwarf2out.c: Added explanation of abbreviations.
1311 (def_cfa_1): Added comments listing DWARF2 instructions.
1312 (cfa_temp_reg): Removed in favor of cfa_temp.
1313 (cfa_temp_value): Removed in favor of cfa_temp.
1314 (cfa_temp): New global variable.
1315 (dwarf2out_frame_debug_expr): Added extensive introductory
1316 comments explaining the function's transformations. Revised to
1317 use cfa_temp. Added some rtx checking. Generalize IOR case.
1318 (dwarf2out_frame_debug): Revised to use cfa_temp.
1319 (output_aranges): Cast as "unsigned" to avoid warning.
1320 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1321 explain which instructions must be marked.
1323 2001-02-01 Richard Henderson <rth@redhat.com>
1325 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1328 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1330 * config/sh/crt1.asm (main_k): Modified so that start calls
1331 ___setup_argv_and_call_main.
1333 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1335 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1336 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1337 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1338 * cppmacro.c (builtin_macro): Set builtin flags here.
1339 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1340 (replace_args): Clarify intent.
1341 (cpp_get_token): Macro expansion tokens get the saved flags.
1343 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1346 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1348 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1351 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1353 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1354 returns Pmode pseudo, but we need ptr_mode.
1355 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1356 Remove bogus conversions; use HOST_WIDE_INT for size.
1357 Don't use TARGET if wrong mode.
1359 * config/i386/i386.c (ix86_compute_frame_size): Allow
1360 stack_alignment_needed to be non-default even if size is zero.
1362 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1364 * (hppa_init_pic_save): Emit the pic offset table
1365 reg save after last_parm_insn.
1366 * pa.c (hppa_init_pic_save): New function.
1367 * pa.h (hppa_init_pic_save): Declare.
1368 * pa.md (call, call_value, sibcall, sibcall_value): Use
1369 the above instead of duplicated code.
1371 * pa.c (hppa_encode_label): Correct size of alloca buffer
1372 so we don't overrun it. Correct leading `*' case.
1373 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1374 need to handle `*@'.
1375 (FUNCTION_NAME_P): Likewise.
1377 2001-01-31 Richard Henderson <rth@redhat.com>
1379 * config.gcc (alpha-osf5): Use float-i128.h.
1381 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1382 * config/float-i32.h: Likewise.
1383 * config/float-i64.h: Likewise.
1384 * config/float-sh.h: Likewise.
1385 * config/float-sparc.h: Likewise.
1387 2001-01-31 DJ Delorie <dj@redhat.com>
1389 * expmed.c (extract_bit_field): allow non-integral modes if we
1390 want to extract a whole register from itself.
1392 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1394 * c-typeck.c (set_init_index): If first is equal to last, assume as
1395 if it was not a range at all.
1397 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1399 * config/fp-bit.c: Include tm.h.
1400 (float_to_si): Don't assume SImode is 32-bits wide.
1401 (float_to_usi): Likewise.
1403 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1405 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1407 (typename): Call pending_xref_error after parsing typed_typespecs.
1408 * c-decl.c (lookup_tag): Give error immediately rather than
1409 leaving it pending if the tag of the wrong type is in the same
1411 (xref_tag): Don't pedwarn for forward declarations of enum types
1413 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1416 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1418 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1420 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1422 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1423 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1425 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1427 * cpphash.h (struct cpp_reader): New saved_flags.
1428 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1429 to avoid a paste after a pasted token.
1431 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1433 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1434 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1435 Wtype_MIN instead of LONG_MIN.
1437 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1439 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1441 * fixinc/fixincl.x: Regenerated.
1442 * fixinc/inclhack.def (irix_limits_const): New definition to
1443 convert "const" to "__const" in limits.h.
1445 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1447 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1449 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1451 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1452 when register dies in the insn.
1454 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1456 * diagnostic.c (fatal): Fix word wrap.
1458 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1460 * combine.c (try_combine): Fix SUBREG setting for
1461 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1463 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1465 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1468 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1470 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1472 * toplev.c (decode_W_option): Update warn_larger_than
1473 unconditionally for each processed switch.
1475 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1477 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1479 (hppa_expand_prologue): Delete code to save pic offset table register
1480 in the function prologue.
1481 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1482 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1483 table register at the beginning of the function after the prologue.
1485 2001-01-29 lars brinkhoff <lars@nocrew.org>
1487 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1489 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1490 Jeff Law <law@redhat.com>
1492 * pa.md (return): Revise comment for trivial return.
1493 (return_internal): Non-trivial return pattern for non-PIC code.
1494 (return_internal_pic): Non-trivial return pattern for PIC code.
1495 It uses the PIC register to ensure it is restored after
1497 (epilogue): Generate appropriate return for PIC and non-PIC code.
1499 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1501 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1503 2001-01-29 DJ Delorie <dj@redhat.com>
1505 * combine.c (if_then_else_cond): Pass the correct mode to
1506 operand_subword() for constants.
1508 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1510 * config/i386/cygwin.h: Add w32api to include search. Search different
1511 directories in a cross-build environment.
1513 2001-11-29 Tim Josling <tej@melbpc.org.au>
1515 * tree.h (TYPE_STUB_DECL): Add documentation.
1517 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1519 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1520 (sdbout_field_types): Likwise. Fix use of host_integerp.
1522 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1524 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1527 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1529 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1530 to use flag_gnu_linker.
1532 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1534 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1535 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1537 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1539 * tree.c, tree.h (build_parse_node): Remove; was identical to
1541 * c-lang.c (start_cdtor), objc/objc-act.c
1542 (build_module_descriptor): Use build_nt instead of
1545 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1547 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1548 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1549 not have any upper bits set.
1551 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1553 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1555 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1559 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1561 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1562 (integer_minus_one_node): Define.
1564 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1566 * Makefile.in (bootstrap2-lean): Fix typo.
1568 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1570 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1571 : Don't set fe_value.
1572 * cpplib.h (AVOID_LPASTE): New flag.
1573 (struct cpp_hashnode): Remove fe_value.
1574 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1575 * cppmacro.c (builtin_macro): Don't set flags here.
1576 (replace_args): Set AVOID_LPASTE flag on first token of an
1577 argument, and the token following it.
1578 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1579 macro expansion, and on the token following it. Do it for
1581 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1583 2001-01-27 Richard Henderson <rth@redhat.com>
1585 * config/alpha/t-ieee: Remove multilibbing.
1586 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1588 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1590 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1592 * Makefile.in: Remove all dependencies on defaults.h.
1593 * builtins.c: Don't include defaults.h.
1594 * c-common.c: Likewise.
1595 * c-decl.c: Likewise.
1596 * c-pragma.c: Likewise.
1597 * c-typeck.c: Likewise.
1598 * combine.c: Likewise.
1600 * frame-ia64.c: Likewise.
1601 * cppexp.c: Likewise.
1602 * crtstuff.c: Likewise.
1603 * dbxout.c: Likewise.
1604 * dwarf2out.c: Likewise.
1605 * dwarfout.c: Likewise.
1606 * emit-rtl.c: Likewise.
1607 * except.c: Likewise.
1609 * final.c: Likewise.
1610 * frame-dwarf2.c: Likewise.
1611 * libgcc2.c: Likewise.
1612 * optabs.c: Likewise.
1613 * profile.c: Likewise.
1614 * sdbout.c: Likewise.
1615 * toplev.c: Likewise.
1616 * tradcif.y: Likewise.
1618 * varasm.c: Likewise.
1620 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * builtins.c (expand_builtin_fputs): Use size_one_node when
1623 transforming into fwrite.
1625 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1627 * extend.texi (Attribute Syntax): New section.
1629 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1631 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1632 they didn't need fixing.
1634 2001-01-27 Janis Johnson <janis@us.ibm.com>
1636 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1638 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1639 to remove macro definitions that are duplicated from elfos.h.
1641 2001-01-27 Richard Henderson <rth@redhat.com>
1643 * config/i386/sco5gas.h: Move ...
1644 * config/usegas.h: ... here.
1645 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1647 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1649 * c-typeck.c (struct constructor_stack): Add range_stack member.
1650 (really_start_incremental_init): Clear it.
1651 (push_init_level): Save constructor_range_stack and clear it if
1652 pushing explicit braces.
1653 (pop_init_level): abort if constructor_range_stack is non-zero at
1654 explicit closing brace. Restore saved constructor_range_stack if
1657 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1659 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1660 into register was forced into memory.
1662 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1664 * Makefile.in: Remove uses of + before $(MAKE).
1666 2001-01-26 Richard Henderson <rth@redhat.com>
1668 * stmt.c (cost_table): Remove.
1669 (COST_TABLE, cost_table_initialized): New.
1670 (estimate_case_costs): Use the later instead of the former.
1671 (balance_case_nodes): Likewise.
1673 2001-01-26 Richard Henderson <rth@redhat.com>
1675 * alias.c (objects_must_conflict_p): Read-only slots may not
1676 conflict despite having the same type.
1678 2001-01-27 Michael Hayes <mhayes@redhat.com>
1680 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1682 (check_ext_dependant_givs): Initialise u_start_val and
1684 (load_mems): Make last_max_reg unsigned.
1685 (try_swap_copy_prop): Use INSN_P and initialise set.
1687 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1689 * README.AVR : Removed.
1691 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1693 * pa-64.h (text_section): Remove declaration.
1695 * pa.md (return_internal): Remove mode on PIC register use.
1697 2001-01-25 lars brinkhoff <lars@nocrew.org>
1699 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1700 ASM_CLOSE_PAREN): fix typos.
1702 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1704 * acconfig.h: Define `const' to the empty string if neither
1705 __STDC__ nor __cplusplus is defined.
1706 * config.in: Regenerated.
1708 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1710 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1711 * collect2.c (main): Delete importf. Add ".obj" file extension.
1712 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1713 (aix_std_libs): Add additional AIX libraries to skip.
1714 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1715 * config/rs6000/aix51.h: New file.
1717 2001-01-25 Michael Hayes <mhayes@redhat.com>
1719 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1720 (loop_insn_emit_before): No longer static.
1721 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1722 (loop_givs_rescan, load_mems): Likewise.
1723 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1724 (maybe_eliminate_biv_1):
1725 (move_movables): Replace emit_call_insn_before with
1726 loop_call_insn_hoist.
1727 * loop.h (loop_insn_emit_before): Add.
1728 * unroll.c (copy_loop_body): Replace emit_insn_before with
1729 loop_insn_emit_before.
1731 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1733 * diagnostic.c (fatal): Request preprocessed source.
1735 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1737 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1738 olddecl has argument types and newdecl has none, use the argument
1741 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1743 * dwarf2out.c (prefix_of): New function. Determine longest common
1744 prefix of the two arguments. The units are whole path components.
1745 (output_file_names): When adding a new directory find the one entry
1746 with the longest common prefix already in the list. Artificially
1747 generate entry if there is none for this prefix.
1748 Fix test to check whether the zeroth directory entry is used.
1750 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1752 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1753 Changed all callers. Take it into account when deciding if a
1754 previously loaded value matches.
1756 2001-01-24 Richard Henderson <rth@redhat.com>
1758 * reload.c (find_reloads_subreg_address): Fail the substitution
1759 if the resulting address is insufficiently aligned.
1761 2001-01-24 DJ Delorie <dj@redhat.com>
1763 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1764 check the original operand's mode also.
1765 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1767 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1769 * c-parse.in (cast_expr): Move compound literals from here ...
1770 (primary): ... to here. Use standard terminology "compound
1771 literal" instead of "constructor expression".
1773 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1775 * gcc.1, cpp.1: Regenerate.
1777 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1779 * calls.c (emit_library_call_value_1): Memory slot for
1780 pass-by-reference argument should have the mode of the argument,
1781 not of the pointer to it.
1783 2001-01-24 Tom Tromey <tromey@redhat.com>
1785 * gcc.texi (G++ and GCC): Mention gcj manual.
1786 (Standards): Link to section of manual mentioning gcj/Java
1789 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1791 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1792 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1793 * tradcpp.c (main): Add -imacros or -include'd dependencies
1795 * cpp.texi (-M, -MM): Document -M -include behaviour.
1797 2001-01-24 Roger Collins <roger@ProProject.com>
1799 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1801 2001-01-24 Will Cohen <wcohen@redhat.com>
1803 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1804 whether registers are 32 bits or 64 bits in size.
1806 2001-01-24 Ben Elliston <bje@redhat.com>
1808 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1810 2001-01-24 Richard Henderson <rth@redhat.com>
1812 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1813 (builtin_longjmp): Use it instead of emit_indirect_jump.
1815 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1817 * bb-reorder.c (make_reorder_chain_1): Handle case where
1818 jump edge goes to the same block as the fallthru edge.
1820 2001-01-23 Jim Wilson <wilson@redhat.com>
1822 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1823 * frame.h (__ia64_personality_v1): Add prototype.
1824 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1825 prototype form. Add void * cast to first argument to personality
1827 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1828 (asctoe113): Likewise.
1829 * config/ia64/frame-ia64.c: Include eh-common.h.
1830 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1832 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1834 (itanium_split_issue): Add prototype.
1835 (gen_nop_type): Ifdef out.
1836 (find_best_packet): Initialize best_packet.
1837 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1839 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1840 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1841 (flushrs): Add explicit stop bit at end.
1842 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1845 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1847 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1849 * libgcc2.c (__terminate_func): Make variable static.
1850 (__terminate_set_func): New function to set __terminate_func.
1851 * libgcc2.h (__terminate_func_ptr): New typedef.
1852 (__terminate_set_func): New function.
1854 2001-01-23 Richard Henderson <rth@redhat.com>
1856 * flow.c (init_propagate_block_info): Don't consider unchanging
1857 memories for dead frame store elimination.
1859 2001-01-23 Richard Henderson <rth@redhat.com>
1861 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1862 * defaults.h: ... here.
1864 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1866 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1868 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1870 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1872 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1874 * rs6000.h (rs6000_return_addr): Move prototype from here...
1875 * rs6000-protos.h (rs6000_return_addr): ...to here.
1876 (rs6000_init_expanders): Delete prototype.
1878 2001-01-23 Nick Clifton <nickc@redhat.com>
1880 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1881 (Spec Files): Document %B and %j and %. and %v3 and %M and
1882 %{S*&T} spec switches.
1884 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1886 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1888 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1889 Neil Booth <neil@daikokuya.demon.co.uk>
1891 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1892 Have -Werror make pedantic warnings errors, like the
1895 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1897 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1899 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1901 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1902 * integrate.c (expand_inline_function): Initialize them.
1903 (subst_constants): If changing COMPARE so that both its arguments
1904 will be VOIDmode and the comparison mode will be lost, note
1905 compare_mode. Use the recorded compare_mode to optimize
1908 2001-01-23 Jason Merrill <jason@redhat.com>
1910 * dwarf2out.c (new_die): Use xcalloc.
1911 (output_die): Abort rather than emit a local reference to offset 0.
1913 2001-01-17 Andrew Haley <aph@redhat.com>
1915 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1916 of a saved register; return NULL instead.
1917 (copy_reg): Take a pointer to a source register rather than a
1919 (next_stack_level): Remember the address in the stack frame of all
1921 Use the saved register pointer array as the source of the CFA.
1922 (throw_helper): Rewrite. Unwind once rather than twice and keep
1923 track of saved registers as we go.
1925 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1927 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1928 * c4x.c (c4x_legitimize_reload_address): Remove.
1929 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1930 reload address for ldp(k) insn.
1932 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1934 * pa.md (return_internal): Add a USE of the PIC register to ensure
1935 it is restored after each call.
1936 (return expander): Corresponding changes.
1938 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1940 * rs6000.h (INIT_EXPANDERS): Delete.
1941 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1942 * rs6000.c (rs6000_override_options): Call *_machine_status from
1944 (rs6000_init_expanders): ...instead of here. Delete.
1945 (rs6000_mark_machine_status): New function.
1946 (rs6000_init_machine_status): Use xcalloc.
1947 (rs6000_return_addr): Generate RTX for the return address.
1948 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1949 (rs6000_stack_info): Use it.
1951 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1953 * gthr-win32.h: Include errno.h to get a declaration for
1954 EINVAL and _mingw.h if the target is mingw32.
1956 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1958 * cpp.texi: Correct typos.
1960 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1962 * explow.c (probe_stack_range): Ensure value passed to
1963 stack_check_libfunc is ptr_mode, not Pmode.
1965 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1967 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1968 case, don't use operand_subword to calculate a SUBREG that is
1971 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1973 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1975 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1976 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1977 valid. If not replace it by equivalent insns.
1979 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1981 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1982 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1983 (c4x_U_constraint, symbolic_address_operand): Likewise.
1984 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1986 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1987 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1988 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1989 anulling slot because of silicon bug.
1990 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1992 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1994 * cppexp.c (parse_charconst): Change `mask' type to agree
1997 2001-01-21 Richard Henderson <rth@redhat.com>
1999 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2000 pic_label_name in a linkonce section.
2002 2001-01-17 Philipp Thomas <pthomas@suse.de>
2004 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2006 * configure: Regenerate.
2008 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2010 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2011 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2013 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2015 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2016 If REVERSE nonzero then condition code in X must be reversed.
2017 (encode_section_info): Optimise if/else.
2018 (avr_function_value): Fix formatting.
2020 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2021 (difficult_branch): Likewise.
2022 (rvbranch): Likewise.
2023 (difficult_rvbranch): Likewise.
2025 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2027 * config/avr/libgcc.S: Fix comment.
2029 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2031 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2033 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2035 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2037 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2039 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2040 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2041 * configure, config.in: Regenerate.
2042 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2043 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2044 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2045 (doprint.o): New rule.
2047 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2049 * c-typeck.c (digest_init): Handle boolean types as scalars.
2051 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2053 * stmt.c (expand_return): Don't return anything if size is zero.
2054 Delete redundant assignment to BYTES.
2055 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2057 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2059 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2060 the same as the default library function names.
2061 * config/avr/avr.md: Document special characters after '%'.
2062 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2063 knowing which of the call-used registers are really clobbered.
2064 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2065 New. Both quotient and remainder from one libgcc.S call.
2066 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2067 clobber as few registers as possible.
2068 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2070 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2072 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2073 context of the top of the stack.
2075 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2077 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2078 (fixup_var_refs_insns): ...here.
2080 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2082 * function.c (fixup_var_refs_insns): Break up into
2083 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2084 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2085 [loop over hash table entries].
2086 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2087 fixup_var_refs_insns_with_hash, to match above changes.
2089 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2091 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2092 (libgcc.a): Likewise.
2093 (stmp-multilib): Likewise.
2094 (STAGE2_FLAGS_TO_PASS): Likewise.
2096 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2098 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2099 temporary if no_new_pseudos.
2101 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2103 * cppinternals.texi: Update.
2105 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2107 * arm.c (arm_init_builtins): Re-enable builtins.
2109 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2111 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2112 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2113 element to be null, and always expect an EXPR_LIST.
2114 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2115 * sched-deps.c (sched_analyze_1): Likewise.
2116 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2118 * regclass.c (max_set_parallel): New variable.
2119 (reg_scan): Take it into account in computation of max_parallel.
2120 (reg_scan_mark_refs, case SET): Compute it.
2122 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2124 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2125 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2127 2001-01-19 Jason Merrill <jason@redhat.com>
2129 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2130 for the abstract instance of an inline function.
2132 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2133 J"orn Rennecke <amylaar@redhat.com>
2135 * reload1.c (move2add_note_store): Treat all registers directly or
2136 indirectly derived from a base register as members of the same set
2138 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2139 of base register into account.
2141 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2143 * alias.c (find_base_value): Recognize TRUNCATE.
2144 (record_set): In PLUS case, invalidate if other summand is also a
2147 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2149 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2150 entry to be EXPR_LIST.
2151 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2152 be an EXPR_LIST (but not null, which other code doesn't allow).
2153 (note_stores): Properly handle PARALLEL in SET.
2154 Recursively call for top-level PARALLEL.
2155 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2156 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2158 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2160 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2162 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2163 not pfile->skipping (== 0).
2165 2001-01-17 Nick Clifton <nickc@redhat.com>
2167 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2170 2001-01-17 Jim Wilson <wilson@redhat.com>
2172 * invoke.texi (IA-64 options): Improve.
2174 2001-01-17 Tom Tromey <tromey@redhat.com>
2176 * invoke.texi (Optimize Options): Use `{}' to around @samp
2179 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2181 * invoke.texi (-fno-guess-branch-probability): New option.
2183 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2185 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2186 case of making new double-word constant.
2187 Revert last change: instead just test i3_subst_into_i2.
2189 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2191 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2192 Use q constraints instead of r.
2194 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2196 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2197 (machine_function): Define.
2198 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2199 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2200 pa_free_machine_status): New functions.
2201 (override_options): Set {init,mark,free}_machine_status to above.
2202 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2203 PIC_OFFSET_TABLE_REGNUM_SAVED.
2204 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2205 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2206 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2207 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2208 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2210 2001-01-15 DJ Delorie <dj@redhat.com>
2212 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2216 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2218 * flow.c (propagate_on_insn): Make trying to delete a prologue
2219 or epilogue insn an ICE, not a warning. Allow doing this if
2220 the current function returns with stack pointer depressed.
2222 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2223 I3 having more than one SET.
2225 2001-01-16 Jim Wilson <wilson@redhat.com>
2227 * invoke.texi: Document IA-64 options.
2229 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2230 (fixup_errata): Delete TARGET_A_STEP use.
2231 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2232 (TARGET_SWITCHES): Delete -ma-step option.
2233 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2234 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2235 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2236 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2237 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2238 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2240 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2241 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2242 cmovsi_internal): Delete ! TARGET_A_STEP check.
2244 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2246 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2247 possibility to report bugs via postal mail. Change a URL and
2248 merge in a nearly duplicate statement...
2249 (Bug Reporting): ...from here.
2250 (Service): Refer to the Bug Reporting section instead of
2252 (Contributing): Remove trivial explanations concerning snapshots.
2254 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2256 * cppmain.c (general_init): Don't use ANSI prototype.
2258 2001-01-16 Tom Tromey <tromey@redhat.com>
2260 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2262 2001-01-16 Richard Henderson <rth@redhat.com>
2264 * config/i386/i386.h: Fix comment typo.
2265 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2266 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2268 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2270 * gcc.c: Revert previous -fsyntax-only-related change; move
2273 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2275 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2276 inmode after checking GET_CODE (op).
2278 2001-01-16 Richard Henderson <rth@redhat.com>
2280 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2281 (MAX_MEM_SET_LIST_LEN): New.
2282 (propagate_one_insn): Update mem_set_list_len.
2283 (invalidate_mems_from_autoinc): Likewise.
2284 (invalidate_mems_from_set): Likewise.
2285 (mark_used_regs): Likewise.
2286 (init_propagate_block_info): Likewise. Stop collecting memories
2287 when we reach MAX_MEM_SET_LIST_LEN.
2288 (mark_set_1): Likewise.
2290 2001-01-16 Richard Henderson <rth@redhat.com>
2292 * unroll.c (precondition_loop_p): Fail if no iteration
2295 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2297 * gcc.c: When -fsyntax-only is given, do not complain about
2300 2001-01-15 Richard Henderson <rth@redhat.com>
2302 * config/i386/i386.c (asm_output_function_prefix): Remove.
2303 (ix86_asm_file_end): New.
2304 (load_pic_register): Generate pic_label_name into a
2305 staticly allocated buffer.
2306 * config/i386/i386-protos.h: Update.
2307 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2308 (ASM_FILE_END): New.
2309 * config/i386/i386afe.h: New file.
2310 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2311 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2312 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2313 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2314 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2315 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2316 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2318 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2320 * Makefile.in (install-man): Remove explicit dependency on
2323 * configure.in, configure: Revert previous patch requiring perl
2326 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2328 * toplev.c (flag_guess_branch_prob): New.
2329 (f_options): Add guess-branch-probability option.
2330 (rest_of_decl_compilation): Only estimate branch probability if
2332 (main): set flag_guess_branch_prob.
2334 * flags.h (flag_guess_branch_prob): New.
2336 2001-01-15 DJ Delorie <dj@redhat.com>
2338 * gcc.texi (Makefile): Add documentation for Makefile targets.
2340 2001-01-15 Philip Blundell <philb@gnu.org>
2342 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2344 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2345 (is_pic): Delete declaration.
2346 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2347 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2348 * config/arm/arm.md (builtin_setjmp_receiver): New.
2350 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2352 * arm.c (use_return_insn): Don't try to determine the function type
2353 until after reload has completed.
2354 (arm_output_epilogue): Don't adjust the sp value recovered from the
2356 (emit_multi_reg_push): Don't record dwarf information for the pc.
2357 * arm.md (eh_epilogue): The function type may have changed, so it
2358 needs to be recalculated.
2359 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2360 unwind tables on arm/netbsd.
2362 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2364 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2365 (negated_cbranchsi4): Likewise.
2367 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2369 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2370 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2371 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2372 pass -mapcs-* options to assembler.
2373 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2374 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2375 (ASM_SPEC): Call subtarget_extra_asm_spec.
2377 2001-01-15 Andreas Jaeger <aj@suse.de>
2379 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2381 (ix86_expand_builtin): Likewise.
2383 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2384 warning about comparison between signed and unsigned.
2386 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2388 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2390 2001-01-14 Ralf Baechle <ralf@gnu.org>
2392 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2393 SUBTARGET_CPP_SPEC apropriatly.
2395 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2397 * varasm.c (make_decl_rtl): Fix typo in last change.
2399 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2401 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2402 linker supports the init_priority C++ attribute.
2403 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2404 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2405 linker does not support init_priority C++ attribute.
2407 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2409 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2411 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2413 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2414 * cp/lex.c (finish_parse): Similarly.
2415 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2416 Return the number of errors encountered.
2417 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2418 * cppmain.c (main): Don't call cpp_destroy.
2420 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2422 * configure.in: Require at least perl 5.6.0 to regenerate
2424 * configure: Regenerate.
2426 2001-01-14 Richard Henderson <rth@redhat.com>
2428 * genrecog.c (DT_veclen_ge): New.
2429 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2430 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2431 (nodes_identical_1): Handle DT_veclen_ge.
2432 (write_cond, debug_decision_2): Likewise.
2434 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2436 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2438 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2440 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2442 * cppmain.c (do_preprocessing): New function; most of the old
2444 (main): Call it to do most of the work.
2445 (cb): Move from global scope to set_callbacks ().
2446 (setup_callbacks): Get the callback pointer.
2447 (general_init, printer_init): Clean up code and comments.
2449 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2451 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2454 2001-01-14 Kazu Hirata <kazu@hxi.com>
2456 * config/h8300/h8300.c (get_shift_alg): Update comments.
2458 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2460 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2461 (alloc_page, ggc_alloc): Add casts to remove warnings.
2463 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2465 * combine.c (simplify_comparison): Don't change `code' when
2466 can't reverse comparison.
2468 2001-01-14 Richard Henderson <rth@redhat.com>
2470 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2471 update all call sites. Return true for all non-label constants.
2473 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2475 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2477 (ix86_expand_branch): Update.
2478 (ix86_expand_setcc): Update to handle multiple test conditions.
2479 (expand_int_movcc): Likewise.
2480 (expand_fp_movcc): Likewise.
2481 * i386-protos.h (ix86_expand_compare): New.
2482 * i386.md (andqi_?_slp, orqi_?_slp): New.
2483 (conditional trap expander): Update call to ix86_expand_compare.
2485 2001-01-14 Richard Henderson <rth@redhat.com>
2487 * config/vax/vax.md: Use nonimmediate_operand instead of
2488 general_operand in destinations.
2490 * config/vax/vax.md (indirect_jump): Use register_operand.
2492 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2493 * config/vax/vax.md (call_pop): Turn into an expander.
2494 (call_value_pop): Likewise.
2495 (call, call_value): New.
2497 2001-01-14 Andreas Jaeger <aj@suse.de>
2499 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2501 (ix86_fp_compare_mode): Add unused attribute.
2502 (ix86_expand_fp_movcc): Remove unused variable.
2503 (ix86_expand_builtin): Make fcode unsigned.
2505 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2506 (expand_expr): Add cast to avoid signed warning.
2507 (store_field): Likewise.
2508 (store_constructor_field): Likewise.
2509 (store_constructor): Likewise.
2510 (store_expr): Likewise.
2511 (clear_storage): Likewise.
2512 (emit_group_store): Likewise.
2513 (emit_group_load): Likewise.
2515 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2517 * c-common.c: Move format checking code to ...
2518 * c-format.c: ... here. New file. Reorder some functions and
2520 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2522 * c-common.h (decl_handle_format_attribute,
2523 decl_handle_format_arg_attribute): Declare.
2524 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2525 (c-common.o): Adjust dependencies.
2526 (c-format.o): New list of dependencies.
2528 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2530 * unroll.c (loop_iterations): If we cannot prove iteration variable
2531 is set once in each iteration, punt.
2533 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2535 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2536 (*strlenhi): Remove clobber (which was buggy) of output address.
2538 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2540 * Makefile.in (generated-manpages): Add gcc.1
2541 ($(srcdir)/gcc.1): New target.
2542 (maintainer-clean): Delete $(srcdir)/gcc.1.
2543 * gcc.texi: Add macros @gccoptlist and @gol.
2544 * invoke.texi: Include option summary in manpage. Mark up option
2545 summary with @gccoptlist and @gol. Use @r in one place where
2547 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2548 * gcc.1: Generate from invoke.texi.
2550 2001-01-13 Richard Henderson <rth@redhat.com>
2552 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2553 (struct page_entry): Add group member.
2554 (struct page_group): New.
2555 (struct globals): Add page_groups member.
2556 (alloc_anon): Only define for using mmap; remove valloc call.
2557 (page_group_index): New.
2558 (set_page_group_in_use): New.
2559 (clear_page_group_in_use): New.
2560 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2561 (free_page, release_pages): Likewise.
2562 * configure.in (with-gc): Default to ggc-page always.
2564 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2566 * reload1.c (replace_pseudos_in_call_usage): Use
2567 reg_equiv_constant and reg_equiv_address, and don't try
2568 regno_reg_rtx first.
2570 2001-01-13 Richard Henderson <rth@redhat.com>
2572 * ggc-page.c (alloc_page): Round up allocation size to one page.
2573 Set e->order on extra pages.
2575 2001-01-13 Richard Henderson <rth@redhat.com>
2577 * genrecog.c (nodes_identical): Expand commentary.
2578 (write_switch): Watch out for identical nodes.
2580 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2582 * cppfiles.c (_cpp_fake_include): New function.
2583 * cpphash.h (_cpp_fake_include): New.
2584 * cpplib.c (do_line): Call _cpp_fake_include when entering
2585 header files in preprocessed input.
2586 * cppmain.c (cb_pragma_implementation): Remove handling.
2587 (setup_callbacks): Don't register pragmas.
2589 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2591 * extend.texi: Udate for CPP.
2593 2001-01-13 Andreas Jaeger <aj@suse.de>
2595 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2597 * regmove.c: Add prototype for replace_in_call_usage.
2599 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2601 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2602 struct cpp_chunk, struct htab, struct toklist,
2603 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2604 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2605 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2606 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2607 (struct macro_args): Delete.
2608 * cpphash.h: See above.
2610 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2612 * cppmain.c (struct printer): Remove no_line_dirs.
2614 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2615 : Use options rather than CPP_OPTION.
2616 (setup_callbacks): Use cb rather than pfile->cb.
2617 (main): No need to check for a buffer. Use cpp_errors.
2618 (printer_init): Don't set no_line_dirs.
2619 (maybe_print_line): Use options not no_line_dirs.
2620 (cb_file_change): Don't call print_line if -P.
2622 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2624 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2626 * c-parse.in (finish_parse): Use cpp_errors.
2627 (__yylex): Use return value of cpp_pop_buffer.
2628 * cp/lex.c (finish_parse): Use cpp_errors.
2629 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2631 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2633 * README.AVR: URLs corrected.
2635 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2637 * c-decl.c (start_function): Don't warn if old prototype is builtin
2638 that's not in C's namespace.
2639 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2640 (_bb): Add prototype for ctime.
2641 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2643 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2645 * i386.c (ix86_fp_comparison_arithmetics_cost,
2646 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2647 ix86_fp_comparison_cost): New functions.
2648 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2649 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2650 two-branch sequences; make static.
2651 (ix86_use_fcomi_compare): Do decision according to the costs.
2652 (split_fp_branch): New.
2653 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2654 * i386-protos.h (ix86_expand_fp_compare): Remove
2655 (ix86_split_fp_branch): Declare.
2657 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2658 and ix86_comparison_operator.
2660 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2663 * i386.c (put_condition_code): Output properly the unordered/ordered
2664 compares in fp case.
2665 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2667 * tm.texi (REVERSE_CONDITION): Document.
2668 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2669 in -ffast-math mode.
2670 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2672 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2674 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2676 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2679 * config/sh/sh.c (mova_p): Fix test for mova_const.
2681 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2683 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2684 cpp_get_options rather than dereferencing pfile and using
2686 * scan-decls.c (scan_decls): Use return value of
2687 cpp_pop_buffer rather than CPP_BUFFER.
2689 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2691 * cppinit.c (cpp_handle_option): help_only is now part of the
2692 cpp_options structure.
2693 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2694 cpp_set_callbacks): New functions.
2695 * cpplib.h (cpp_callbacks): Break out as a named structure.
2696 (cpp_options): Move help_only here from cpp_reader.
2697 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2698 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2699 cpp_set_callbacks): New prototypes.
2700 * cppmain.c (main): Update for help_only.
2702 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2704 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2705 Also build and remove and install and uninstall c-tree.info and
2707 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2708 ($(srcdir)/cppinternals.info): New target.
2709 * c-tree.texi: Change file name used when makeinfo used without -o
2710 from ir.info to c-tree.info. Add info directory entry.
2711 * cppinternals.texi: Add info directory entry.
2712 * .cvsignore: Update.
2714 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2716 * c-typeck.c (store_init_value): Don't require constant initializer
2717 elements with -pedantic -std=c99.
2718 (digest_init): Change error about non-constant initializer elements
2720 (constructor_range_end): Remove.
2721 (constructor_incremental, designator_depth,
2722 designator_errorneous): New variables.
2723 (struct constructor_stack): Remove range_end, add incremental.
2724 (struct constructor_range_stack, constructor_range_stack): New.
2725 (struct initializer_stack): Add constructor_range_stack.
2726 (finish_init): Set it.
2727 (start_init): Likewise. require_constant_elements for non-static
2728 trees only if not flag_isoc99.
2729 (really_start_incremental_init): Remove constructor_range_end, add
2730 constructor_incremental.
2731 (pop_init_level): Likewise.
2732 (push_init_level): Likewise. If implicit and the subobject had some
2733 value set already, preinitialize the level with it.
2734 Warn about missing braces only if not pushing due to designators.
2735 (set_designator, push_range_stack): New functions.
2736 (set_init_label): Use them.
2737 (set_init_index): Likewise. Remove constructor_range_end.
2738 Error if designator index is outside of array bounds.
2739 (add_pending_init): Compare values of purpose index trees, not the
2740 trees themselves. Allow overwriting of already initialized element.
2741 Issue a warning if it had side-effects.
2742 (set_nonincremental_init, set_nonincremental_init_from_string): New
2744 (pending_init_member): Rename to...
2745 (find_init_member): ...this function. Call set_nonincremental_init
2746 if necessary. Compare values of purpose index trees, not the trees
2747 themselves. Return the actual value, not just non-zero if something
2749 (output_init_element): Remove checks for duplicates.
2750 If field has zero size, only check the initializer for correctness.
2751 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2752 if constructor_incremental is zero. Change error about initializers
2753 not computable at load time into pedwarn.
2754 (output_pending_init_elements): Compare bit positions, not
2755 FIELD_DECLs to take into account zero-sized fields.
2756 (process_init_element): Use constructor_range_stack to fill all
2757 ranges in the designator lists from current level up.
2758 * extend.texi: Update documentation for labeled elements.
2760 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2762 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2763 to function usage for arguments passed by reference. Optimize
2764 callee-copied arguments.
2765 * regmove.c (replace_in_call_usage): New function.
2766 (fixup_match_1): Call it.
2767 * cse.c (cse_insn): Canonicalize registers in function usage.
2768 * reload1.c (replace_pseudos_in_call_usage): New function.
2771 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2774 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2776 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2779 2001-01-12 DJ Delorie <dj@redhat.com>
2781 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2782 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2785 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2787 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2788 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2789 -std options alongside references to -ansi. Update some
2790 documentation for C99.
2791 * cpp.1: Regenerate.
2793 2001-01-12 Andreas Jaeger <aj@suse.de>
2795 * haifa-sched.c (restore_line_notes): Remove argument block B
2797 * sched-ebb.c (schedule_ebb): Change caller.
2798 * sched-rgn.c (schedule_region): Likewise.
2799 * sched-int.h (restore_line_notes): Adjust prototype.
2801 * loop.h: Remove wrong declaration of doloop_condition_get.
2803 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2805 * extend.texi: Move C++-extension-related node from the C section
2806 into the C++ section.
2808 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2810 * extend.texi: Refer to an array of pointers to functions instead
2811 of one of functions.
2813 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2814 Jan Hubicka <jh@suse.cz>
2816 * combine.c (reversed_comparison): Fix typo in last patch.
2818 (combine_reversed_comparison_code): Make static to follow
2819 prototype declaration.
2821 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2823 * install.texi: Remove misplaced duplicate entry.
2825 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2827 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2829 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2831 * final.c: (leaf_function_p): Fix typo.
2833 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2835 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2836 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2838 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2839 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2840 mmap_anon, and valloc is available.
2841 * ggc-page.c: Restructure ifdef logic to match new autoconf
2842 spec. Don't throw away the test page in init_ggc.
2844 * configure, config.in: Regenerate.
2846 2001-01-12 Michael Hayes <mhayes@redhat.com>
2848 * loop.h (total_biv_increment): Constify iv_class pointer.
2849 (struct induction): Replace `mem_mode' with `mem' rtx.
2850 * unroll.c (total_biv_increment): Constify iv_class pointer.
2851 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2852 (find_mem_givs, combine_givs_p): Likewise.
2853 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2855 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2857 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2859 (__gthread_getspecific): Ditto.
2861 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2863 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2864 put_condition_code): Convert fp comparison codes to integer
2866 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2869 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2870 * i386-protos.h (no_comparison_operator): Kill.
2872 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2874 * combine.c (REVERSIBLE_CC_MODE): Remove.
2875 (reversible_comparison_p): Remove.
2876 (combine_reversed_comparison_code): New.
2877 (reversed_comparison): New.
2878 (combine_simplify_rtx): Use
2879 combine_reversed_comparison_code/reversed_comparison instead
2880 of reversible_comparison_p.
2881 (simplify_if_then_else): Likewise.
2882 (simplify_set): Likewise.
2883 (simplify_logical): Likewise.
2884 (if_then_else_cond): Likewise.
2885 (known_cond): Likewise.
2886 (simplify_comparison): Likewise.
2888 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2890 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2891 sizeof (int) is larger than sizeof(__word__).
2893 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2895 * cppinit.c (do_includes): Fix typo.
2897 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2899 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2900 in S_REGS does not occur because not all sources are possible
2901 when a S_REGS is a destination (sometimes needs a clobber).
2902 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2903 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2904 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2905 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2906 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2907 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2908 (lshrdi_const1, lshrsi3_const16): Likewise.
2909 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2910 (*movhi_68hc12, *movqi_68hc12): Likewise.
2911 (movstrictqi): Make sure reloading in D_REGS as a destination
2914 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2916 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2918 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2920 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2921 -D, -U and -A, and don't initialize the builtins.
2922 (do_includes): Error if -include or -imacros with -fpreprocessed.
2923 * cppmain.c (cb_define, cb_undef): Unconditionally process
2925 * tradcpp.c (main): Fix typo.
2927 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2929 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2930 (read_name_map): Use IS_ABSOLUTE_PATH.
2931 * tradcpp.c (get_filename): Likewise.
2933 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2935 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2936 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2937 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2938 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2939 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2940 (cmphi_z_used): Don't use '@' for the output.
2941 (tstqi_z_used): Likewise.
2942 (cmpqi_z_used): Likewise.
2943 (one_cmplsi2): Likewise.
2945 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2947 * config/sh/sh.c (barrier_align): Recognize branch around far
2948 branch and redundant insn.
2950 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2952 * invoke.texi: Restore documentation of the drivers' switches -MD
2955 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2957 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2959 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2960 check-objc//%): Support parallel testing of multilibs.
2961 (TESTSUITEDIR): Set to testsuite by default, but override for
2963 (check-gcc, check-g++, check-g77, check-objc): Enter
2966 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2968 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2969 * sched-deps.c (deps_may_trap_p): Likewise.
2970 * basic-block.h: Remove a comment.
2971 * flow.c (PROP_POSTRELOAD): Remove.
2972 (update_life_info): Don't add it to prop_flags.
2973 (mark_set_1): Lose the code that was enabled by it.
2975 2001-01-11 Michael Hayes <mhayes@redhat.com>
2977 * flow.c (flow_call_edges_add): New.
2978 * basic_block.h (flow_call_edges_add): New.
2980 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2982 * reload1.c (move2add_note_store): Update reg_set_luid even if
2983 base reg remains the same.
2985 2001-01-10 Nick Clifton <nickc@redhat.com>
2987 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2988 machine_function structure to zero.
2989 Add prototypes for machine_status functions.
2991 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2993 * c-common.h (CTI_VOID_LIST): Remove.
2994 (void_list_node): Likewise.
2995 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2996 (void_list_node): New macro.
2997 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2998 * config/i386/i386.c (ix86_init_builtins): Likewise.
2999 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3001 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3003 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3004 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3006 * tradcpp.c: Include mkdeps.h.
3007 (deps, print_deps_phony_targets, deps_append, output_deps,
3008 init_dependency_output, output_deps): New.
3009 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3010 deps_output): Delete.
3011 (print_deps_missing_files): Rename deps_missing_files.
3012 (inhibit_output): Make global.
3013 (main): Delete inhibit_output, deps_stream, deps_target.
3014 Use mkdeps functionality in the same way as cpplib. Remove
3015 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3016 -M and -MM. Remove old handling of deps via deps_out, and
3017 old reading of environment variables.
3018 (get_filename): Update to use deps_add_dep.
3020 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3022 * output.h (make_function_rtl): Remove prototype.
3023 (make_decl_rtl): Likewise.
3024 * varasm.c (make_function_rtl): Remove.
3025 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3026 than from a third parameter.
3027 * tree.h (make_decl_rtl): Remove last parameter.
3028 * c-decl.c (builtin_function): Remove last argument in call to
3029 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3030 (start_function): Likewise.
3031 * except.c (call_get_eh_context): Likewise.
3032 * expr.c (emit_block_move): Likewise.
3033 (clear_storage): Likewise.
3034 * profile.c (output_func_start_profiler): Likewise.
3035 * toplev.c (rest_of_decl_compilation): Likewise.
3036 * objc/objc-act.c (create_builtin_decl): Likewise.
3037 (synth_module_prologue): Likewise.
3038 (generate_static_reference): Likewise.
3039 (build_selector_reference_decl): Likewise.
3040 (build_class_reference_decl): Likewise.
3041 (build_objc_string_decl): Likewise.
3042 (build_protocol_reference): Likewise.
3044 2001-01-10 Richard Henderson <rth@redhat.com>
3046 * hwint.h: Revert yesterday's change.
3048 2001-01-10 Nick Clifton <nickc@redhat.com>
3050 * function.h (save_machine_status): Delete.
3051 (restore_machine_status): Delete.
3052 Amend comment describing {init|mark|free}_machine_status.
3054 * function.c (save_machine_status): Delete.
3055 (restore_machine_status): Delete.
3056 Amend comment describing {init|mark|free}_machine_status.
3057 (push_function_context_to): Remove invocation of
3058 save_machine_status.
3059 (pop_function_context_from): Remove invocation of
3060 restore_machine_status.
3062 * emit-rtl.c (init_emit_once): Amend comment describing
3063 {init|mark|free}_machine_status.
3065 * tm.texi (Per-Function Data): New node. Describe the
3066 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3069 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3071 * cppinit.c (OPT_g): Remove.
3072 (cpp_handle_option): Update for removed -g3.
3073 (print_help): Update.
3074 * cpplib.h (struct cpp_options): Remove debug_output.
3075 * cppmain.c (setup_callbacks, cb_define): Update.
3076 * gcc.c (cpp_options): Translate -g3 to -dD.
3078 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3080 * config/i960/i960.md: Change modifier to + on the zero_extract
3081 pattern after the (rotate -2 reg) canonicalization pattern.
3083 2001-01-10 Richard Henderson <rth@redhat.com>
3085 * config/alpha/alpha.c (alpha_free_machine_status): New.
3086 (override_options): Install it.
3087 (alpha_mark_machine_status): Verify machine non-null.
3088 * config/i386/i386.c (ix86_free_machine_status): New.
3089 (override_options): Install it.
3090 (ix86_init_machine_status): Use xcalloc.
3091 (ix86_mark_machine_status): Verify machine non-null.
3092 * config/ia64/ia64.c (ia64_free_machine_status): New.
3093 (ia64_override_options): Install it.
3094 (ia64_mark_machine_status): Verify machine non-null.
3096 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3098 * function.c (instantiate_virtual_regs): Instantiate virtual
3099 registers found in CALL_INSN_FUNCTION_USAGE.
3101 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3103 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3104 equivalent to -ansi in disabling -Di386.
3106 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3108 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3110 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3112 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3114 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3116 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3118 * invoke.texi: Document that -fcond-mismatch isn't supported for
3121 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3123 * gcc.texi: Define macro gcctabopt.
3124 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3125 @command, @env and @option in some places where appropriate. Use
3126 @gcctabopt where appropriate. Put URLs and email addresses inside
3129 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3131 * gcc.c (cpp_options): Set MD file name from output
3132 filename, if specified.
3133 (suffix_subst): New static variable.
3134 (do_spec): Clear it.
3135 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3137 (give_switch): Handle suffix_subst.
3139 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3141 * invoke.texi: Fix another typo.
3143 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3145 * invoke.texi: Fix typo.
3147 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3149 * c-lang.c (lang_hooks): Update.
3150 (lang_decode_option): Remove.
3151 (lang_init_options): Rename c_init_options.
3152 * toplev.c (main): Use lang_hooks for lang_init_options
3153 and lang_decode_option.
3154 * toplev.h (lang_hooks): Add 2 new hooks.
3155 * tree.h: Remove lang_init_options and lang_decode_option.
3156 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3157 * cp/decl2.c: Similarly.
3158 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3159 (lang_hooks): Update.
3160 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3162 (lang_init_options): Rename ffe_init_options.
3163 (lang_hooks): Update.
3164 (lang_decode_option): Remove.
3165 * java/lang.c (lang_init_options): Rename java_init_options.
3166 (lang_decode_option): Rename java_decode_option.
3167 (lang_hooks): Update.
3168 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3169 (lang_decode_option): Rename objc_decode_option.
3170 (lang_hooks): Update.
3172 2001-01-09 Nick Clifton <nickc@redhat.com>
3174 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3175 (d30v_return_addr_rtx): Delete.
3176 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3177 cfun->machine structure.
3178 (struct machine_function): Move to d30v.h
3179 (d30v_save_machine_status): Delete.
3180 (d30v_restore_machine_status): Delete.
3181 (d30v_init_machine_status): New Function.
3182 (d30v_mark_machine_status): New Function.
3183 (d30v_free_machine_status): New Function.
3184 (d30v_init_expanders): Use new functions.
3185 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3186 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3187 d30v_return_addr_rtx.
3189 * config/d30v/d30v.h (struct_machine): Move here.
3190 Add eh_epilogue_sp_ofs field.
3192 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3193 field in cfun->machine structure.
3195 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3197 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3198 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3199 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3201 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3203 * objc/lang-options.h: Remove bogus reference to
3206 2001-01-09 Kazu Hirata <kazu@hxi.com>
3208 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3211 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3213 * reload.c (find_reloads_address): Check for eliminable registers
3214 when substituting a constant expression for a pseudo.
3216 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3218 * c-common.c (enum format_type): Add format_type_error.
3219 (decode_format_type): New function.
3220 (decl_attributes): Use it.
3221 (format_kind_info): Adjust comment.
3223 2001-01-09 David O'Brien <obrien@BSDi.com>
3225 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3226 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3228 * config/i386/gnu.h: Don't include required platform specific .h files,
3229 tm.h will do it instead.
3230 * config/i386/i386elf.h: Likewise.
3231 * config/i386/linux.h: Likewise.
3232 * config/i386/moss.h: Likewise.
3233 * config/mips/gnu.h: Likewise.
3235 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3237 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3238 (rs6000-ibm-aix3.[01]*): Likewise.
3239 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3240 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3241 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3242 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3243 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3244 (powerpc-*-eabiaix*): Likewise.
3245 (powerpc-*-eabisim*): Likewise.
3246 (powerpc-*-elf*): Likewise.
3247 (powerpc-*-eabi*): Likewise.
3248 (powerpc-*-rtems*): Likewise.
3249 (powerpc-*-linux*libc1): Likewise.
3250 (powerpc-*-linux*): Likewise.
3251 (powerpc-wrs-vxworks*): Likewise.
3252 (powerpcle-wrs-vxworks*): Likewise.
3253 (powerpcle-*-sysv*): Likewise.
3254 (powerpcle-*-elf*): Likewise.
3255 (powerpcle-*-eabisim*): Likewise.
3256 (powerpcle-*-eabi*): Likewise.
3257 (powerpcle-*-solaris2*): Likewise.
3258 * config/rs6000/aix31.h: Delete includes.
3259 * config/rs6000/aix3newas.h: Likewise.
3260 * config/rs6000/aix41.h: Likewise.
3261 * config/rs6000/aix43.h: Likewise.
3262 * config/rs6000/beos.h: Likewise.
3263 * config/rs6000/rtems.h: Likewise.
3264 * config/rs6000/sysv4.h: Likewise.
3266 2001-01-09 Kazu Hirata <kazu@hxi.com>
3268 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3269 Change an argument mode of machine_mode to shift_mode of
3270 shift_mode. Remove an extra error check.
3271 (emit_a_shift): Adopt to the new calling prototype of
3273 (function_prologue): Fix code for a monitor
3274 function. Support H8/S.
3275 (function_epilogue): Do not output pop for a monitor function.
3277 2001-01-09 Nick Clifton <nickc@redhat.com>
3279 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3280 (setup_incoming_varargs): Use sysv_varargs_p field of the
3281 cfun->machine structure.
3282 (struct machine_function): Move to rs6000.h
3283 (rs6000_save_machine_status): Delete.
3284 (rs6000_restore_machine_status): Delete.
3285 (rs6000_init_machine_status): New Function.
3286 (rs6000_free_machine_status): New Function.
3287 (rs6000_init_expanders): Use new functions.
3289 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3291 (struct machine_function): Move here.
3293 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3294 sysv_varargs_p field of the cfun->machine structure.
3296 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3298 (rs6000_restore_machine_status): Remove prototype.
3300 2001-01-09 Richard Henderson <rth@redhat.com>
3302 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3303 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3304 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3305 (sched_analyze_2, sched_analyze_insn): Likewise.
3306 (sched_analyze, init_deps): Likewise.
3307 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3308 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3309 (compute_block_backward_dependences): Update propagate_deps call.
3311 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3313 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3315 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3317 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3318 (cpp_handle_option): Handle them.
3319 (cpp_post_options): Ensure one of -M or -MM is specified with
3320 any other -M? option.
3321 (init_dependency_output): Suppress output with -MG.
3323 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3326 * invoke.texi: Update.
3328 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3330 * sh.md (reload_outsf): Generate recognizable patterns for
3333 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3335 * c-lang.c (lang_hooks): Update.
3336 (lang_init): Rename c_init.
3337 (lang_finish): Remove.
3338 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3340 * toplev.h (lang_hooks): Add init () and finish ().
3341 * tree.h (lang_init, lang_finish): Remove.
3342 * cp/tree.h (lang_init, lang_finish): Remove.
3343 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3344 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3346 (lang_init, lang_finish): Remove.
3347 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3348 (lang_hooks): Update.
3349 * java/lang.c (lang_init): Rename java_init.
3350 (lang_finish): Remove.
3351 (lang_hooks): Update.
3352 * objc/objc-act.c (lang_init): Rename objc_init.
3353 (lang_finish): Remove.
3354 (lang_hoooks): Update.
3356 20001-01-09 Graham Stott <grahams@redhat.com>
3358 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3359 after `ptr` is initialised.
3361 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3363 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3364 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3365 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3366 stack adjusts, instead of r3.
3368 2001-01-09 Michael Hayes <mhayes@redhat.com>
3370 * flow.c (flow_loop_scan): Break out of ...
3371 (flow_loops_find) ... here.
3372 * basic-block.h (flow_loop_scan): New.
3373 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3374 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3376 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3378 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3380 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3381 realloc()ing macro_buffer.
3383 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3384 if it's wider than long and the target's long is wider than the
3387 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3389 Remove support for using UWIN as a host machine.
3390 * configure.in: Issue an error message.
3391 * configure: Regenerated.
3392 * config.gcc: Remove xm_* UWIN configury.
3393 * config/i386/xm-uwin.h: Remove.
3395 2001-01-08 Nick Clifton <nickc@redhat.com>
3397 * config/v850/v850.c (ra_rtx): Delete.
3398 (v850_save_machine_status): Delete.
3399 (v850_restore_machine_status): Delete.
3400 (v850_init_machine_status): New function.
3401 (v850_mark_machine_status): New function.
3402 (v850_free_machine_status): New function.
3403 (v850_return_addr): Use ra_rtx field in machine structure.
3404 (v850_init_expanders): Use new functions.
3406 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3407 * config/v850/v850.c: Change arguments to v850_output+* functions
3408 to take a const char *, to avoid compile time warning.
3409 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3410 (USER_LABEL_PREFIX): Redefine.
3412 2000-01-08 Jim Wilson <wilson@redhat.com>
3414 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3415 1 to unsigned HOST_WIDE_INT before left shift.
3417 2001-01-08 Nick Clifton <nickc@redhat.com>
3419 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3420 the machine structure has been allocated.
3421 (arm_free_machine_status): New function: Free the machine
3422 specific function structure.
3424 2001-01-08 Richard Henderson <rth@redhat.com>
3426 * jump.c (simplejump_p): Revert last change.
3428 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3430 * cppinit.c (init): Rename init_library.
3431 (cpp_create_reader): Update.
3432 * gcc.c (cpp_options): If -o given, use it as the target of
3435 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3437 * arm.c (arm_arch5e): New variable.
3438 (all_cores): XScale is a 5TE device.
3439 (arm_override_options): Set arm_arch5e.
3440 (arm_init_builtins): __builtin_prefetch is in arch5e.
3441 * arm.h (arm_arch5e): Declare it.
3443 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3445 * arm.md (define_constants): Add defines for UNSPEC and
3446 UNSPEC_VOLATILE insns. Update all users.
3447 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3448 * arm.c (multi_register_push, note_invalid_constants)
3449 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3450 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3451 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3453 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3455 * jump.c (jump_optimize_1): Use reversed_comparison_code
3456 instead of can_reverse_comparison_p.
3457 (jump_back_p): Likewise.
3458 (invert_exp_1): Likewise.
3459 (thread_jumps): Likewise.
3460 * simplify-rtx.c (simplify_unary_operation): Likewise.
3461 (simplify_ternary_operation): Likewise.
3462 * cse.c (find_comparison_args): Convert to use
3463 can_reverse_comparison_p.
3464 (record_jump_equiv): Likewise.
3466 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3468 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3469 (EPILOGUE_USES): Define.
3470 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3471 automatically stack the LR if it isn't live.
3473 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3475 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3478 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3480 * ggc-page.c (max_alignment): New structure.
3481 (MAX_ALIGNMENT): New macro.
3482 (init_ggc): Use it to round up the sizes in the
3483 extra_order_size_table.
3485 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3487 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3490 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3492 * builtins.def (BUILT_IN_FPRINTF): New entry.
3494 * c-common.c (c_expand_builtin_fprintf): New function.
3495 (init_function_format_info): Handle __builtin_fprintf.
3496 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3497 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3499 * c-decl.c (duplicate_decls): Adjust comment.
3501 * extend.texi (fprintf): Document new builtin.
3503 2001-01-07 Richard Henderson <rth@redhat.com>
3505 * jump.c (simplejump_p): Recognize any single_set jump
3508 2001-01-07 Richard Henderson <rth@redhat.com>
3510 * configure.in (slibdir): Accept an --with-slibdir option.
3511 Use "test" not "[" in configure. Default to $(libdir).
3513 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3515 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3516 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3517 (SHLIB_LINK): Create links for the soname.
3518 * config/mips/t-iris6: Likewise.
3519 * config/sparc/t-slibgcc: Likewise.
3520 * config/sparc/t-slibgcc-sld: Likewise.
3522 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3524 * config/i386/i386.c (constant_call_address_operand): Accept
3525 (const (plus (symbol_ref) (const_int))).
3526 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3527 constant_call_address_operand.
3529 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3531 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3532 and LONG_LONG_TYPE_SIZE > 32.
3534 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3536 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3537 the previous change.
3539 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3541 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3543 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3544 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3545 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3548 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3550 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3552 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3554 * c-lang.c (c_post_options): Call cpp_post_options.
3555 * objc/objc-act.c (objc_post_options): Similarly.
3556 * cppmain.c (main): Similarly.
3557 * fix-header.c (read_scan_file): Similarly.
3558 * cppinit.c (cpp_start_read): Move option consistency checks
3559 to cpp_post_options. Don't call init_dependency_output.
3560 If needed, add default target and main file dependency.
3561 (OPT_MD, OPT_MMD): Remove.
3563 (cpp_handle_option): Update for OPT_* changes.
3564 (cpp_post_options): New.
3565 (init_dependency_output): Command line -MF overrides environment
3566 variables. Don't set default target etc. Suppress output
3567 if dependencies are going to stdout.
3568 (print_help): Update.
3569 * cpplib.h (cpp_post_options): New.
3570 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3572 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3574 * jump.c (comparison_dominates_p): Support unordered compares.
3576 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3578 * simplify-rtx.c (simplify_relational_operation): Always simplify
3579 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3582 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3584 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3585 (nonzero_bits): Likewise.
3586 (simplify_comparison): Likewise.
3587 (num_sign_bit_copies): Likewise; return more sane value depending
3588 on STORE_FLAG_VALUE.
3589 (known_cond): Do not assume EQ to be always true for equivalent
3592 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3594 * cse.c (fold_rtx): Handle unordered comparisons.
3596 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3598 * rtlanal.c (set_of_1): New static function.
3599 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3600 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3601 reg_set_last_last_regno): Remove.
3602 (set_of): New global function.
3603 (set_of_data): New structure.
3604 (reg_set_p, reg_set_last): Revamp for set_of.
3605 * rtl.h (set_of): New.
3607 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3609 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3610 * extend.texi: Document _Exit builtin.
3612 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3614 * (initialize, initialize_builtins,
3615 initialize_dependency_output, initialize_standard_includes):
3616 Rename s/initialize/init. Update.
3617 (init_dependency_output): Move to after
3618 cpp_handle_options, the correct location temporally at least.
3619 (opt_comp): Move next to init (), its caller. Fix prototype.
3620 (init): Make "initialized" local scope.
3621 (cpp_create_reader): Always call init ().
3622 (cpp_start_read): Update.
3623 (output_deps): New function, broken out of cpp_finish.
3624 (cpp_finish): Break out output_deps.
3626 2001-01-07 Richard Henderson <rth@redhat.com>
3628 * collect2.c (COFF specific stuff): Revert 12-06 patch
3629 to prototype system functions.
3631 2001-01-07 Michael Hayes <mhayes@redhat.com>
3633 * hard-reg-set.h: Add multiple include guard.
3634 * basic-block.h (struct loop): Add `sink' field.
3635 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3636 (emit_iv_add_mult): Delete.
3637 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3638 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3639 (unroll_loop): Remove end_insert_before argument.
3640 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3641 (maybe_eliminate_biv_1): Likewise.
3642 (emit_iv_add_mult): Delete.
3643 (gen_add_mult, loop_regs_update): New.
3644 (loop_insn_emit_after, loop_insn_emit_before): New.
3645 (loop_insn_sink, loop_insn_sink_or_swim): New.
3646 (emit_iv_add_mult): Delete.
3647 (scan_loop): Set loop->sink.
3648 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3649 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3650 (maybe_eliminate_biv_1): Likewise.
3651 (maybe_eliminate_biv_1): Add basic block argument.
3652 * unroll.c (unroll_loop): Remove end_insert_before argument.
3653 (find_splittable_regs): Likewise.
3654 (find_splittable_regs): Use loop_insn_sink and its ilk.
3655 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3657 2001-01-07 Michael Hayes <mhayes@redhat.com>
3659 * loop.h (loop_insn_hoist): New prototype.
3660 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3661 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3662 (check_dbra_loop, load_mems): Likewise.
3663 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3664 (find_splittable_givs): Likewise.
3666 2001-01-07 Michael Hayes <mhayes@redhat.com>
3668 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3670 2001-01-07 Richard Henderson <rth@redhat.com>
3672 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3674 2001-01-07 Richard Henderson <rth@redhat.com>
3676 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3677 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3678 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3679 variant that handles a shared libgcc.
3680 (process_command): Always validate -{static,shared}-libgcc.
3681 (do_spec_1): New 'M' case.
3682 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3684 2001-01-07 Richard Henderson <rth@redhat.com>
3686 * Makefile.in (slibdir): New variable.
3687 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3688 (installdirs): Create slibdir.
3689 (install-libgcc, install-multilib): Defer to libgcc.mk.
3690 * configure.in (slibdir): Substitute.
3691 * mklibgcc.in (install): New target.
3693 * config/t-linux (SHLIB_LINK): Create links for the soname.
3694 (SHLIB_INSTALL): New.
3695 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3696 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3697 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3698 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3699 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3701 2001-01-07 Richard Henderson <rth@redhat.com>
3703 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3704 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3705 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3707 2001-01-07 Michael Hayes <mhayes@redhat.com>
3709 * loop.c (count_loop_regs_set): Delete.
3710 (load_mems_and_recount_loop_regs_set): Delete.
3711 (loop_regs_scan): Merge common code from count_loop_regs_set,
3712 scan_loop, and load_mems_and_recount_loop_regs_set.
3713 (scan_loop): Call load_mems directly and loop_regs_scan
3714 again if new registers created.
3716 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3718 * toplev.c (main): Call the front-end specific post_options
3719 hook if one is given.
3720 * toplev.h (struct_lang_hooks, lang_hooks): New.
3721 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3722 for the C front end.
3723 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3724 lang_hooks for the C++ front end.
3725 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3726 lang_hooks for the ObjC front end.
3727 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3728 * java/lang.c (lang_hooks): Hooks for the Java front end.
3730 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3732 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3733 for verbose DWARF[2] debugging.
3734 (cb_define, cb_undef): The new callbacks.
3735 * toplev.h (debug_define, debug_undef): Make const correct.
3736 * toplev.c (debug_define, debug_undef): Similarly. Do not
3737 perform the verbosity tests here anymore.
3739 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3741 * reload.c (subst_reloads): Take INSN argument. When
3742 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3743 * reload.h (subst_reloads): Adjust prototype.
3744 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3745 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3746 present in JUMP_INSNs and copy them to JUMP_LABEL.
3747 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3748 JUMP_INSNs and insns with REG_LABELs that are followed by
3749 JUMP_INSNs with the same REG_LABEL.
3750 * sched-rgn.c (is_cfg_nonregular): Likewise.
3751 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3753 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3755 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3757 2001-01-06 Richard Henderson <rth@redhat.com>
3759 * loop.c (scan_loop): Use xcalloc for the regs array.
3760 (load_mems_and_recount_loop_regs_set): Zero the new memory
3761 received from xrealloc.
3763 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3765 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3767 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3769 * integrate.c (copy_rtx_and_substitute): When copying
3770 an ignored return value, strip REG_FUNCTION_VALUE_P.
3772 2001-01-06 Michael Hayes <mhayes@redhat.com>
3774 * loop.c (debug_biv, debug_giv): New.
3775 (loop_biv_dump): Break out from ...
3776 (record_biv): ... here.
3777 (loop_giv_dump): Break out from ...
3778 (record_giv): ... here.
3779 (loop_bivs_check): Use print_simple_rtl.
3780 * unroll.c (loop_iterations): Use print_simple_rtl.
3782 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3784 * pa.md (return, return_internal): Modify patterns to prevent regrename
3785 mucking with the return pointer.
3787 2001-01-05 Richard Henderson <rth@redhat.com>
3789 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3791 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3793 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3794 version supplied by Matteo Frigo.
3796 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3798 * cpp.texi: Update for -MQ.
3799 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3800 (cpp_cleanup): Always free pfile->deps.
3801 (initialize_dependency_output): Don't create pfile->deps.
3802 (cpp_handle_option): Similarly.
3804 * gcc.c (cpp_options): Handle -MQ.
3805 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3806 * mkdeps.c (base_name): Remove.
3807 (deps_init): Don't allocate vector space until it's needed.
3808 (deps_free): Only free vectors if allocated.
3809 (deps_add_target, deps_add_dep): Update for initial allocation.
3810 (deps_add_default_target): Don't strip to the base_name.
3812 2001-01-05 DJ Delorie <dj@redhat.com>
3814 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3815 (INIT_EXPANDERS): Define.
3817 * config/v850/v850.c (struct machine_function): Define.
3818 (v850_save_machine_status): New function.
3819 (v850_restore_machine_status): New function.
3820 (v850_return_addr): New function.
3821 (v850_init_expanders): New function.
3823 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3824 and v850_init_expanders.
3826 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3828 * cpplib.h (struct cpp_reader): Add help_only field.
3829 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3830 (cpp_handle_option): Set pfile->help_only if we see -h,
3831 --help, -target-help, or --version. Print version string but
3832 do not set help_only if we see -v or -version. Make text
3833 printed by -v match that printed by (-)-version.
3835 * cppmain.c (main): Exit after option parsing if
3836 pfile->help_only is true.
3838 * toplev.c (independent_decode_option): Call print_version,
3839 then exit, if we see --version (but not -version).
3840 (print_version): Split lengthy message into two lines.
3842 2001-01-05 Nick Clifton <nickc@redhat.com>
3844 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3845 temporary string for initialisation before calling ggc_alloc_string.
3847 2001-01-06 Michael Hayes <mhayes@redhat.com>
3849 * rtl.h (print_simple_rtl): New.
3850 * print-rtl.c (print_simple_rtl): New.
3852 (print_rtx): Disable printing of flags and modes, etc.,
3853 if `flag_simple` nonzero.
3855 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3857 * function.c (fixup_var_refs): Use push_to_full_sequence where
3860 2001-01-05 Michael Meissner <meissner@redhat.com>
3862 * flags.h (flag_reorder_blocks): Add declaration.
3863 (flag_rename_block): Ditto.
3865 2001-01-05 DJ Delorie <dj@redhat.com>
3867 * function.c (reorder_blocks): Make sure the flags are all reset
3868 before using them to mark blocks, else a second invocation will
3869 corrupt the block chain.
3870 (reorder_blocks_0): New, resets the flags.
3872 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3874 * cse.c (find_comparison_args): Stop if the argument is known to
3877 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3879 * config/sh/sh.md (movdf): When splitting load into pair of
3880 registers, don't clobber the register used in the address too
3883 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3885 * varasm.c (mark_constant_pool): Improve initial comments.
3886 (mark_constants): Move marking of constants to mark_constant.
3887 (mark_constant): New function to recursively mark all constants
3888 referred to by a constant.
3890 2001-01-05 Catherine Moore <clm@redhat.com>
3892 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3894 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3896 * cp/lang-options.h: Bring comment in line with reality.
3897 * f/lang-options.h: Likewise.
3898 * java/lang-options.h: Likewise.
3899 * objc/lang-options.h: Likewise.
3900 * ch/lang-options.h: Likewise.
3901 * f/g77.texi: And update the manual.
3903 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3904 Denis Chertykov <denisc@overta.ru>
3906 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3907 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3908 * config/avr/avr.md (all peepholes that request a scratch register):
3909 Call it, FAIL the peephole if not safe (in interrupt functions).
3911 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3913 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3915 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3917 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3919 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3920 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3921 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3922 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3923 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3925 * extend.texi: Document these builtins.
3927 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3929 * c-common.c (lang_get_alias_set): Say we know nothing of
3930 VECTOR_TYPE aliasing.
3932 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3934 2001-01-05 Bruce Korb <bkorb@gnu.org>
3936 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3937 their x* equivalent versions for atexit-less systems
3938 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3939 systems (or any other system any more).
3941 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3943 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3944 output operands. Use arm_hard_register_operand for operand 4.
3945 (stmsi_postinc): Similarly.
3946 (ldmsi): Use arm_hard_register_operand for opernand 2.
3948 * arm.c (arm_hard_register_operand): New function.
3949 * arm-protos.h (arm_hard_register_operand): Prototype it.
3951 * arm.h (HARD_REGNO_RENAME_OK): Define.
3953 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3955 * simplify-rtx.c (cfc_args): add "unordered" field.
3956 (check_fold_consts): Set unordered field.
3957 (simplify_relational_operation): Simplify the unordered
3960 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3963 * emit-rtl.c (try_split): Fix code to mark labels.
3964 * jump.c (mark_jump_label): Make global.
3965 * rtl.h (mark_jump_label): Declare.
3967 * predict.c (estimate_probability): Handle unordred comparisons.
3969 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3971 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3972 * cppinit.c (initialize_dependency_output): Update.
3973 (cpp_finish): Output dummy targets for -MP.
3975 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3976 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3977 * gcc.c (cpp_options): Update to handle -MP.
3978 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3979 to quote only the default target.
3980 (deps_phony_targets): Insert a preceding newline. Rename from
3981 deps_dummy_targets for consistency.
3984 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3986 * calls.c (emit_library_call_value_1): Support
3987 INIT_CUMULATIVE_LIBCALL_ARGS.
3988 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3990 2001-01-04 Richard Henderson <rth@redhat.com>
3992 * c-decl.c (finish_struct): Detect flexible array members
3993 used in an inappropriate context.
3994 * c-typeck.c (really_start_incremental_init): Special case
3995 constructor_max_index for zero length arrays.
3996 (pop_init_level): Allow initialization of flexible array
3997 members. Deprecate initialization of zero length arrays.
3998 Don't issue missing initializer warning for flexible array
3999 members or zero length arrays.
4000 (process_init_element): Don't dereference null DECL_SIZE.
4001 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4002 Don't abort for empty constructors. Use size_binop
4003 (output_constructor): Add commentary regarding zero length
4004 array futures. Abort if we try to initialize an array of
4005 unspecified length with a non-empty constructor in the middle
4008 * extend.texi (Zero Length): Update and clarify documentation
4009 on static initialization.
4011 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4013 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4014 with more than 32767 words of local storage.
4016 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4018 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4019 for 'abs', 'labs', and 'fabs'.
4020 (c4x_expand_builtin): Likewise.
4021 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4023 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4025 * config/sh/sh.md (prget, prset): New insn types.
4026 (return delay slot): Dont' allow prset.
4027 (call, sfunc delay slot): Don't allow prget.
4028 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4029 for prset and prget.
4031 2001-01-05 Michael Hayes <mhayes@redhat.com>
4033 * loop.h (struct loop_reg): New.
4034 (struct loop_regs): Change to use array of `struct loop_reg'.
4035 * loop.c: Replace assortment of varrays with single regs array.
4036 (count_one_set): Delete may_not_move array argument
4037 and use regs array instead. All caller's changed.
4038 (count_loop_regs_set): Delete may_not_move and single_usage
4039 arguments and use regs array instead. All caller's changed.
4040 (find_single_use_in_loop): Replace usage array argument with pointer
4041 to regs structure. All caller's changed.
4042 (loop_optimize): Delete `moved_once' array.
4044 2001-01-05 Michael Hayes <mhayes@redhat.com>
4046 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4047 Use it instead of loop_info->has_call for scanning loop mems.
4048 (check_dbra_loop): Replace loop_info->has_call test with
4049 loop_info->has_nonconst_call.
4051 2000-01-04 Matthew Hiller <hiller@redhat.com>
4053 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4056 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4058 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4059 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4061 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4063 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4064 (flag_short_double, flag_short_wchar): Define.
4065 (c_common_nodes_and_builtins): Create many tree nodes shared
4066 between C and C++ here instead of in cp/decl.c and ...
4067 * c-decl.c (init_decl_processing): ... here.
4068 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4069 (flag_short_double, flag_short_wchar): Don't define.
4070 (record_builtin_type): New function.
4071 (build_void_list_node): New function.
4072 * c-common.h (flag_short_double, flag_short_wchar,
4073 record_builtin_type, build_void_list_node): Declare.
4075 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4077 * integrate.c (expand_inline_function): Don't put a virtual
4078 register into the reg map.
4080 * function.c (fixup_var_refs_1): If force_operand didn't put
4081 the address into the target, move it there.
4083 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4085 Special-case tree_decl/tree_list allocations.
4086 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4087 (OBJECT_SIZE): New macro.
4088 (NUM_EXTRA_ORDER): Likewise.
4089 (extra_order_size_table): New variable.
4090 (NUM_ORDERS): New macro.
4091 (objects_per_page_table): New variable.
4092 (object_size_table): New variable.
4093 (G.pages): Use NUM_ORDERS to bound the array.
4094 (G.page_tails): Likewise.
4095 (DIV_ROUND_UP): Remove.
4096 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4097 (alloc_page): Use OBJECT_SIZE.
4098 (size_lookup): Don't make it const.
4099 (ggc_alloc): Use OBJECT_SIZE.
4100 (ggc_set_mark): Likewise.
4101 (ggc_get_size): Likewise.
4102 (init_ggc): Set up the object_size_table, objects_per_page_table,
4103 and adjust size_lookup.
4104 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4105 (ggc_pop_context): Use NUM_ORDERS.
4106 (clear_marks): Likewise.
4107 (sweep_pages): Likewise.
4108 (poison_pages): Likewise.
4109 (ggc_print_statistics): Use OBJECT_SIZE.
4111 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4113 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4114 Only call array_size_for_constructor if last field and array type
4115 with no upper bound.
4117 2001-01-04 Philip Blundell <philb@gnu.org>
4119 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4120 from bit 31 downwards, if this requires no more insns.
4121 (count_insns_for_constant): New helper function for above.
4123 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4125 * gencodes.c (output_predicate_decls): Remove empty initializer.
4127 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4129 * tree.c (copy_node): Remove documentation about obstacks.
4130 (buidl1): Check that nobody tries to build 2-argument nodes this
4133 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4135 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4138 * gencodes.c (output_predicate_decls): Fill empty initializer
4141 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4143 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4144 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4146 (do_include): Handle missing headers like cpp0.
4147 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4148 paths with first include pathname. Don't strcat to uninitialized
4151 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4153 * regrename.c (regrename_optimize): Don't rename from frame pointer
4154 if frame_pointer_needed.
4155 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4156 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4157 (ia64_reorg): Use it instead of scheduling if ! optimize.
4158 (errata_emit_nops): Properly call asm_noperands.
4159 (ia64_sched_reorder): Finish cycle if we see an asm.
4160 (ia64_variable_issue): Clear scheduling state after asms.
4162 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4164 * cpp.texi: Update for -MT.
4165 * cppinit.c (initialize_dependency_output): Add a default
4166 target if none has been given already.
4167 (no_tgt, OPT_MT): New.
4168 (cpp_handle_option): Handle -MT. Update -M etc.
4169 * cpplib.h (struct cpp_options): Remove deps_target.
4170 * gcc.c (cpp_options): Handle -MT.
4171 * mkdeps.c (struct deps): Move from mkdeps.h.
4172 (deps_calc_target): Rename deps_add_default_target. Add a
4173 default target if none has been specified already.
4174 * mkdeps.h (struct deps): Move to mkdeps.c.
4175 (deps_calc_target): Rename deps_add_default_target.
4177 2000-01-03 Richard Henderson <rth@redhat.com>
4179 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4181 * c-typeck.c (push_init_level): Move checks for flexible array
4182 members and zero length arrays ...
4183 (pop_init_level): ... here. Silently discard empty initializations.
4185 * varasm.c (output_constructor): Update for sizeof change to
4188 * extend.texi (Zero Length): Clarify semantics.
4190 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4192 * configure.in (tm.h): Include isns-codes.h last.
4193 * configure: Rebuilt.
4195 2001-01-03 Richard Henderson <rth@redhat.com>
4197 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4198 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4200 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4202 * tradcpp.c (main): Make sure finclude() is called with a valid
4203 indepth value while handling -include.
4205 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4207 * gencodes.c (output_predicate_decls): New function.
4209 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4210 even if it is not the first time machmode.h is #included.
4211 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4212 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4213 * gcc.texi (Copyright): Added 2001.
4215 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4217 * c-common.c (c_common_lang_init): New function. Warn if format
4218 warning options which only have effects when used with -Wformat
4219 are used without -Wformat.
4220 * c-common.h (c_common_lang_init): Declare.
4221 * c-lang.c (lang_init): Call c_common_lang_init.
4222 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4224 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4226 * configure.in: Check for the mktemp command.
4227 * configure: Regenerate.
4228 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4229 $TEMP. Create temporary files with mktemp, if available at
4230 configure time; otherwise use set -C. Remove temporary files
4233 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4235 * configure.in: Require at least texinfo 4.0. Check for whether
4236 Pod::Man is sufficiently recent to regenerate GCC manpages.
4237 * configure: Regenerate.
4238 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4240 (GENERATED_MANPAGES): Define.
4241 (generated-manpages): New target. Depend on cpp.1 as well as
4243 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4244 configure to generated-manpages or empty) rather than on the
4245 manpages directly. Remove execute permission from installed
4246 gcov.1 as well as cpp.1.
4247 * cpp.1, gcov.1: Regenerate.
4249 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4251 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4252 tree_low_cst. Allow using cmpstrsi in more cases.
4254 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4256 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4259 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4261 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4262 * Makefile.in (HOST_CFLAGS): Mention build-make.
4264 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4266 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4269 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4271 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4274 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4277 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4278 reg_base_value and reg_known_value arrays.
4279 (init_alias_analysis): Add more cases to detect known values.
4280 * sched-deps.c (deps_may_trap_p): New function.
4281 (sched_analyze_2): Use it.
4283 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4285 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4286 don't discard an ASHIFTRT if we're shifting in a wider mode.
4288 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4290 * toplev.c (rest_of_compilation): Don't print basic block information
4291 when CFG isn't up to date.
4293 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4295 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4296 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4297 (UNALIGNED_SHORT_ASM_OP): Define.
4298 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4300 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4302 * fold-const.c (fold_convert): Fix typo.
4304 2001-01-02 Richard Henderson <rth@redhat.com>
4306 * c-common.h (ASM_INPUT_P): New.
4307 * c-parse.in (asm): Set it when needed.
4308 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4309 existance of an operand.
4311 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4313 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4314 (dwarf2out_frame_debug_expr): Likewise.
4315 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4317 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4319 * i386.c (ix86_split_to_parts): Return number of part required;
4321 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4323 (ix86_split_long_move): Use number of part returned
4324 by ix86_split_to_parts
4325 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4327 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4328 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4329 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4330 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4331 (ALIGN_MODE_128): Add TFmode.
4332 (IS_STACK_MODE): Likewise.
4333 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4334 (HARD_REGNO_OK): Support TFmodes.
4335 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4336 * i386.md (scheduler definitions): Use memory operand to determine
4337 fst/fld instructions; use mode attribute to determine real mode of
4339 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4340 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4342 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4344 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4346 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4348 * expr.c (store_constructor_field): Update ALIGN before calling
4351 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4353 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4356 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4358 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4361 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4363 * c-decl.c (start_function): Don't warn on third parameter to main.
4365 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4367 * tsystem.h: Define HAVE_DECL_GETOPT.
4369 2001-01-02 Philip Blundell <pb@futuretv.com>
4371 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4374 2001-01-02 Richard Henderson <rth@redhat.com>
4376 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4378 2001-01-02 Andreas Jaeger <aj@suse.de>
4380 * c-decl.c (c_decode_option): Remove support of
4383 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4384 (W_options): Add -Wmissing-noreturn here.
4386 * flow.c: Define lang_missing_noreturn_ok_p.
4387 (check_function_return_warnings): Use it.
4389 * c-common.h: Declare lang_missing_noreturn_ok_p.
4391 * c-lang.c (c_missing_noreturn_ok_p): New function.
4392 (lang_init): Set lang_missing_noreturn_ok_p.
4394 * invoke.texi (Warning Options): Document this.
4396 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4398 * extend.texi (C++ Extensions): New node for C++ attributes;
4399 describe init_priority and com_interface.
4400 * invoke.texi: Remove -finit-priority as it now has zero effect.
4401 * install.texi: Fix xref syntax.
4402 * md.texi: Likewise.
4404 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4406 * config.gcc (sparc64-wrs-vxworks*): New case.
4407 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4409 * config/sparc/sparc.c (sparc_override_options): Do support different
4410 pointer and architecture size.
4411 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4412 (POINTERS_EXTEND_UNSIGNED): Define.
4413 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4414 (FUNCTION_MODE): Define to be Pmode.
4415 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4417 * function.c (expand_function_end): Properly handle DECL_RESULT
4418 and copy when ptr_mode != Pmode.
4419 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4421 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4423 * c-common.c (c_common_nodes_and_builtins): Set prototype
4424 parameters for __builtin_fputs, __builtin_fputc and
4425 __builtin_fwrite. Don't declare plain fputc as a builtin.
4427 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4429 * loop.c (add_label_notes): Increment the label usage count when
4430 a note is added to an insn which refers to a CODE_LABEL.
4431 * gcse.c (add_label_notes): Likewise.
4433 2001-01-01 Andreas Jaeger <aj@suse.de>
4435 * loop.c (scan_loop): Use xmalloc to allocate movables.
4437 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4439 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4440 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4441 * reload1.c (REGISTER_MOVE_COST): Likewise.
4442 * regclass.c (REGISTER_MOVE_COST): Likewise.
4443 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4444 dimension. Adjust all users.
4445 (init_reg_sets_1): Iterate on all modes.
4446 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4447 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4448 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4449 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4450 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4451 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4452 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4453 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4454 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4455 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4456 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4457 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4458 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4459 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4460 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4461 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4462 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4463 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4464 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4465 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4466 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4467 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4468 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4469 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4470 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4471 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4472 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4474 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4476 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4477 arg VARIES_P. Call it with extra arg.
4478 (true_dependence): Likewise.
4479 * rtl.h (rtx_addr_can_trap_p): Declare.
4480 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4482 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4483 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4484 pic offset table register if it's zero. All callers changed.
4485 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4487 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4489 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4490 STRING_POOL_ADDRESS_P.
4492 * config/sparc/sparc.c (input_operand): Properly test for short op.
4494 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4495 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4496 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4497 * config/sparc/elf.h: No longer include sol2.h.
4498 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4499 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4501 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4503 2001-01-01 Michael Hayes <mhayes@redhat.com>
4505 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4506 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4507 (record_initial): Likewise.
4508 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4509 (remap_split_bivs): Likewise.
4511 2001-01-01 Michael Hayes <mhayes@redhat.com>
4513 * loop.c (loop_ivs_free): New function.
4514 (strength_reduce): Break out from...
4516 2001-01-01 Michael Hayes <mhayes@redhat.com>
4518 * loop.h (struct iv): New.
4519 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4520 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4521 'reg_biv_class' fields with 'regs' and 'n_regs'.
4522 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4523 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4524 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4526 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4528 * resource.c (mark_referenced_resources): Abort() before
4529 attempting to mark a pseudo register.
4530 (mark_set_resources): Likewise.
4532 2001-01-01 Michael Hayes <mhayes@redhat.com>
4534 * loop.h (REG_IV_CLASS): New accessor macro.
4535 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4536 * unroll.c (REG_IV_CLASS): Likewise.
4538 See ChangeLog.4 for earlier changes.
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