1 2001-02-21 Kazu Hirata <kazu@hxi.com>
3 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9 * flow.c (init_propagate_block_info): Canon address and use single_set
10 for killing dead memory stores.
12 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
14 * Makefile.in (reorg.o): Add params.h dependence.
15 * params.def: Fix typographical error in comment.
16 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
17 * params.h: Modify introductory comment.
18 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
19 * reorg.c: Add dependence on params.h.
20 (redundant_insn): Add parameterized throttle for search.
21 (fill_simple_delay_slots): Add a comment explaining a variable.
22 Move conditional out of loop, simplifying code.
23 (fill_eager_delay_slots): Fix typographical error in comment.
25 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
27 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
29 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
30 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
32 2001-02-21 Jason Merrill <jason@redhat.com>
34 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
35 (struct tree_decl): Add uninlinable bitfield.
36 * c-decl.c (duplicate_decls): Set it.
37 * integrate.c (function_cannot_inline_p): Check it.
39 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
40 DW_AT_MIPS_linkage_name to abstract methods.
41 (dwarf2out_abstract_function): Emit class context before calling
42 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
43 (gen_subprogram_die): Remove obsolete code.
44 (gen_member_die): Don't include clones in the member list.
45 (gen_decl_die): Emit abstract info for clone origin.
46 * dwarfout.c (output_type): Don't include clones in the member list.
47 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
48 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
49 DECL_ABSTRACT on a function that already has it set.
51 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
52 (get_subprogram_die): Pass it in.
54 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
56 * flow.c (mark_set_1): Make not_dead unsigned long. For
57 non-pseudos, use it as a bitmask of the hard regs that
60 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
62 * cppfiles.c: Update comments.
63 (_cpp_read_file): Don't check for NULL filenames any more.
64 * cppinit.c (cpp_start_read): Don't do canonicalization of
65 in_fname and out_fname. Use the passed file name exclusively.
66 (_cpp_handle_options): Don't treat "-" as a command line option,
67 but as a normal filename.
68 (_cpp_post_options): Canonicalize in_fname and out_fname.
69 * cppmain.c (printer_init): Don't check out_fname for NULL.
70 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
71 (init_c_lex): Update, and use "" to represent stdin to CPP.
74 2001-02-20 Will Cohen <wcohen@redhat.com>
76 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
77 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
78 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
81 2001-02-20 Stan Shebs <shebs@apple.com>
83 * config/rs6000/rs6000.c (output_cbranch): Output branches
84 on separate lines instead of using ';' to separate.
86 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
88 * cppinit.c (set_lang): Move builtin handling to...
89 (init_builtins): ...here.
90 (_cpp_create_reader): Move call to set_lang.
92 2001-02-20 Mark Mitchell <mark@codesourcery.com>
94 * stmt.c (expand_return): If an attempt is made to return the
95 error_mar_node, treat the return like a return without a value.
97 2001-02-19 Zack Weinberg <zackw@stanford.edu>
99 * sibcall.c (skip_copy_to_return_value): Call
100 identify_call_return_value here, and return orig_insn if it
101 returns zero. Hardret and softret arguments now unnecessary.
102 (call_ends_block_p): Don't call identify_call_return_value here.
104 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
106 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
107 * ggc.h (ggc_mark_if_gcable): Delete prototype.
109 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
111 * pa.c (move_operand): Accept code to load the address of a
112 symbol out of the DLT as a valid move operand.
113 (print_operand, case 'A'): New to handle generating a DLT
114 reference for a LO_SUM expression.
115 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
116 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
118 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
120 * README, cpp.texi, gcc.texi, version.c: Update version number to
122 * cpp.1, gcov.1, gcc.1: Regenerate.
124 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
126 * cppfiles.c (stack_include_file): Generate dependencies
127 here, and manage include_count here too.
128 (PRINT_THIS_DEP): Delete.
129 (_cpp_execute_include): Do not generate dependencies here,
130 apart from the case of a missing header. Do not manage
132 (_cpp_read_file): Leave dependency generation to
135 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
137 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
138 target_cpu_default. Remove dead assignment to
141 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
143 * regclass.c (contains_reg_of_mode): Make global.
144 (init_reg_sets): Remove contains_reg_of_mode; take into account
145 CLASS_MAX_NREGS when looking for the proper mode.
146 (dump_regclass): Dump only classes considered for the pseudo.
147 (regclass): Use contains_reg_of_mode.
149 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
151 * gcc.c (do_spec_1): 'n' for printing notices.
152 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
154 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
156 * reg-stack.c (next_flags_user): Use current_block->end
157 (swap_rtx_condition): Look for next user if flags don't die;
158 give up on CALL_INSNs; use current_block->end.
160 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
162 * sibcall.c (call_ends_block_p): New function.
163 (optimize_sibling_and_tail_recursive_call): Use it.
165 2001-02-18 Kazu Hirata <kazu@hxi.com>
167 * config/h8300/h8300.md: Update copyright.
168 (andsi3): Do not output an extra newline character.
170 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
172 * toplev.c (note_deferral_of_defined_inlined_function): Argument
173 FNDECL may be unused.
175 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
176 follow jumps after first run.
177 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
178 it doesn't change any jumps.
180 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
182 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
183 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
184 (mostlyclean): Corresponding changes.
185 * rtlanal.c (hard-reg-set.h): Include.
186 (rtx_unstable_p): Do not treat the argument pointer specially
187 if it is not a fixed register.
188 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
190 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
192 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
193 against last real insn in basic block.
194 Rework to avoid gotos.
196 * Makefile.in (gcse.o): Now includes ggc.h.
197 * gcse.c: Include ggc.h.
198 (want_to_gcse_p): Verify expression can be in SET as valid insn.
199 (try_replace_reg): Remove warning of uninitialize variable.
200 (process_insert_insn): Call invalid_insn_p to validate insn.
201 * recog.c (insn_invalid_p): Now global.
202 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
203 * recog.h (insn_invalid_p): New declaration.
205 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
207 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
208 assignments from FP constants since 'Y' output code can't handle it.
209 (eligible_for_sibcall_delay): Likewise.
211 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
212 Call fancy_abort directly, passing args.
213 (print_rtl_and_abort): Now a macro, like fancy_abort.
215 * final.c (output_operand_lossage): Use internal_error, not error.
217 2001-02-18 Shane Nay <shane@agendacomputing.com>
219 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
220 structure shift insns.
222 2001-02-18 Mark Mitchell <mark@codesourcery.com>
224 * invoke.texi (-fsquangle): Remove documentation.
225 (-fname-mangling-version): Likewise.
227 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
229 * optabs.c (expand_abs): Remove reference to
230 HAVE_contitional_arithmetic.
231 * combine.c (simplify_set): Likewise.
233 2001-02-18 Richard Henderson <rth@redhat.com>
235 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
238 2001-02-18 Richard Henderson <rth@redhat.com>
240 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
242 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
244 * reload1.c (reload_cse_simplify_set): Fix typo.
246 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
248 * diagnostic.c (_fatal_insn): Decrement errorcount.
250 * invoke.texi (-I): Add note avoiding use for system header files.
252 * rtl.h (add_clobbers): Remove duplicate declaration.
253 * recog.h (added_clobbers_hard_reg_p): New declaration.
254 * genemit.c (struct clobber_pat): New field has_hard_reg.
255 (gen_insn): Record if added clobbers clobber hard reg.
256 (gen_split): Avoid unused warning if number of operands is 0.
257 (output_added_clobbers_hard_reg_p): New function.
260 2001-02-18 Alan Modra <alan@linuxcare.com.au>
262 * pa.c (hppa_expand_prologue): Simplify code storing return
263 pointer. For large (>=8k) frames with a post_store, adjust stack
264 pointer by 8k-64 first rather than by 64. When testing with
265 VAL_14_BITS_P, always use the actual value rather than the value
266 negated. Add blockage to prevent scheduling of spills before
267 stack frame has been created.
268 (hppa_expand_epilogue): Simplify code loading return pointer.
269 Allow a slightly larger range for merge_sp_adjust_with_load case.
270 When testing with VAL_14_BITS_P, always use the actual value.
272 * pa.c (pa_adjust_insn_length): Check that block move
273 pattern is a set before looking at operands.
275 2001-02-17 Mark Mitchell <mark@codesourcery.com>
277 * fold-const.c (fold_binary_op_with_conditional_arg): New
278 function, split out from ...
280 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
281 conditional arms that throw exceptions.
283 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
286 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
288 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
289 define HAVE_DECL_* to 1 to mask potential backup declarations.
290 * configure: Regenerated.
292 2001-02-17 Mark Mitchell <mark@codesourcery.com>
294 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
296 2001-02-17 Richard Henderson <rth@redhat.com>
298 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
299 when replacing a memory load with a register.
301 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
302 Jan Hubicka <jh@suse.cz>
304 * recog.c (validate_replace_src_1): New.
305 (validate_replace_src_data): Likewise.
306 (validate_replace_src): Use note_uses.
307 * rtl.h (note_uses): Declare.
308 * rtlanal.c (note_uses): New.
310 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
312 * reg-stack.c (stack_def): Make field reg unsigned.
313 (remove_regno_note): Unsignetize parameter.
315 2001-02-16 Jes Sorensen <jes@linuxcare.com>
317 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
318 shladd_operand() call.
320 2001-02-16 Bruce Korb <bkorb@gnu.org>
321 Rodney Brown <RodneyBrown@mynd.com>
323 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
324 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
326 * fixinc/fixincl.x: regen
328 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
330 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
332 (hash_scan_insn): Clean up calls to hash_scan_set.
333 (compute_kill_rd): REGNO now unsigned.
334 (try_replace_reg): Rework to use simplify_replace_rtx.
335 (cprop_jump, cprop_cc0_jump): Likewise.
336 (cprop_insn): Call find_reg_equal_equiv_note.
337 Reflect changes to cprop_jump and cprop_cc0_jump.
339 * recog.c (validate_replace_src): Replace in operands of
340 ZERO_EXTRACT in SET_DEST.
342 * cse.c (new_label_ref): New variable.
343 (insert): Set it instead of recorded_label_ref.
344 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
345 CODE_LABEL for this function, and not already in REG_LABEL note.
347 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
349 * resource.c (mark_referenced_resources): Fix typo in introductory
351 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
354 2001-02-16 Jason Merrill <jason@redhat.com>
356 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
358 (gen_subprogram_die): Don't abort on seeing a second definition if
359 the previous one was abstract. Don't replace an abstract instance
362 * dwarf2out.c (dwarf2out_abstract_function): Rename from
363 gen_abstract_function.
364 * dwarf2out.h: Declare it.
365 * toplev.c (note_outlining_of_inline_function): New fn.
366 * toplev.h: Declare it.
367 * integrate.c (output_inline_function): Call it.
368 * c-decl.c (duplicate_decls): Call it when redefining an extern
369 inline. Don't inline the new defn.
371 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
373 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
375 * .gdbinit: Rename to gdbinit.in.
376 * gdbinit.in: New file,
377 * configure.in: Generate .gdbinit from gdbinit.in.
378 * configure: Regenerated.
379 * Makefile.in (distclean): Always remove .gdbinit.
381 2001-02-16 Jakub Jelinek <jakub@redhat.com>
383 * objc/objc-act.c (start_class): Register implemented_classes with
386 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
388 * cppfiles.c (_cpp_make_system_header): Generate a file
391 2001-02-15 Jim Meyering <meyering@lucent.com>
393 * Makefile.in (install-common): Don't depend on installdirs here.
394 Instead, make each of the lang.install-common targets (e.g.,
395 c++.install-common in cp/Make-lang.in) depend on it.
396 (install-driver): Depend on installdirs.
398 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
400 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
402 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
405 2001-02-15 Mark Mitchell <mark@codesourcery.com>
407 * invoke.texi (--param): Document.
409 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
411 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
413 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
415 * i386.md (extendsfdf2_2): Fix constraints.
417 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
419 * i386.md (fop_df_3 splitter): Fix operand number.
421 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
423 * invoke.texi (-mreg-alloc): Nuke.
424 * i386.c (ix86_reg_alloc_order, regs_allocated,
425 order_regs_for_local_alloc): Nuke.
426 (override_options): Kill reg_alloc code.
427 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
428 (REG_ALLOC_ORDER): SSE goes before I387.
429 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
430 (ix86_reg_alloc_order): Likewise.
431 * i386-protos.h (ix86_reg_alloc_order): Kill.
433 2001-02-14 Richard Henderson <rth@redhat.com>
435 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
437 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
439 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
441 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
443 * i386-protos.h (ix86_memory_move_cost): Move offline.
444 * i386.c (ix86_register_move_cost): Compute properly cost of
445 SSE, MMX and i387 instructions.
446 (*_cost): Add costs of SSE/MMX moves.
447 (ix86_memory_move_cost): Move offline from ....; Likewise.
448 * i386.h (MEMORY_MOVE_COST): .... here;
449 (struct processor costs): Add new fields to represent costs
452 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
454 * regclass.c (init_reg_sets_1): Reinstall the optimization of
455 move_cost together with Matt Kraai's fix.
457 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
459 * Makefile.in (OBJS): Add params.o.
461 2001-02-14 Richard Henderson <rth@redhat.com>
462 DJ Delorie <dj@redhat.com>
464 * jump.c (jump_optimize_1): When we delete a conditional jump
465 preceeding a non-conditional jump to effectively the same place,
466 make sure that the combined jump skips any clobber insns between
469 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
471 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
473 2001-02-14 Mark Mitchell <mark@codesourcery.com>
475 * Makefile.in (toplev.o): Depend on params.h.
476 (intergate.o): Likewise.
477 (params.o): New target.
478 * flags.h (inline_max_insns): Remove.
479 * integrate.c: Include params.h.
480 Use MAX_INLINE_INSNS instead of inline_max_insns.
481 * params.c: New file.
482 * params.h: Likewise.
483 * params.def: Likewise.
484 * toplev.c: Include params.h.
485 (lang_independent_params): New variable.
486 (decode_f_option): Use the param machinery instead of setting
488 (independent_decode_option): Handle "--param name=value".
489 (main): Register language-independent parameters.
491 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
493 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
495 2001-02-14 Richard Henderson <rth@redhat.com>
497 * regclass.c (init_reg_sets_1): Revert last two changes.
499 2001-02-14 Jakub Jelinek <jakub@redhat.com>
501 * stor-layout.c (is_pending_size, put_pending_size): New functions.
502 (variable_size): Call put_pending_size.
503 * tree.h (is_pending_size, put_pending_size): Add prototypes.
504 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
505 sizes list, put newly created SAVE_EXPR there as well.
507 2001-02-14 Jakub Jelinek <jakub@redhat.com>
509 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
510 (errata_find_address_regs): load_group has only 2 entries.
511 (errata_emit_nops): Likewise. shladd is not problematic.
512 Clear last_group if nop was emitted.
513 (fixup_errata): load_group has only 2 entries.
516 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
518 * c-lex.c (lex_number): Only warn traditionally for U suffix
519 outside system macros.
520 * cppexp.c (parse_number): Similarly.
521 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
522 * cppmacro.c (struct cpp_macro): New member node.
523 (parse_args): Only warn about missing rest args if not
525 (funlike_invocation_p): Similarly for uninvoked funlike macros.
526 (cpp_sys_objmacro_p): New.
527 (_cpp_create_definition): Store the node with the macro defn.
528 Remember if the macro is defined in a system header.
530 2001-02-13 DJ Delorie <dj@redhat.com>
532 * configure.in (check_languages): determine languages to check
533 * Makefile.in (check-c++): alias for check-g++
534 (check-f77): alias for check-g77
535 (CHECK_TARGETS): depend on configured languages
537 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
539 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
540 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
541 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
542 (sqrtextendsfdf2): Disable for SSE2.
544 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
546 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
547 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
548 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
549 (sqrtextendsfdf2): Disable for SSE2.
551 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
553 * i386.md (movsfcc_1): Support integer cmove instruction.
554 (movdfcc_1): Likewise; new splitter.
556 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
558 * i386.c (output_fp_compare): Support SSE.
559 (prepare_fp_compare_args): SSE comparisons always support memory.
560 * i386.h (TARGET_CMOVE): SSE imply cmove.
561 * i386.md (cmp?f2): Enable for SSE too.
562 (cmpfp_i*): Support SSE.
564 (cmpfp_i_sse_only): New.
565 (s*, b* fp expanters): Enable for SSE too.
566 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
569 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
571 * regclass.c (init_reg_sets_1): Silence warning.
573 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
575 * i386.md (sqrt?f2): Change to expander.
576 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
578 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
580 * rtlanal.c (find_reg_equal_equiv_note): New function.
581 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
582 (simplify_gen_relational, simplify_replace_rtx): Likewise.
583 * rtl.h: Add declarations for above functions.
585 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
587 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
589 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
590 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
591 * flow.c (mark_regs_live_at_end): Likewise.
592 (calculate_global_regs_live): Likewise.
593 * gcse.c (compute_hash_table): Likewise.
594 (compute_kill_rd): Likewise.
595 * resource.c (mark_target_live_regs): Likewise.
596 * rtl.h (INVALID_REGNUM): New macro.
598 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
600 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
602 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
604 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
607 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
609 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
611 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
612 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
613 (fop_sf_1_sse, fop_df_1_sse): New patterns
614 (fop_*): Disable float_extend and float patterns for SSE compilation.
615 * i386.c (output_387_binary_op): Support SSE.
617 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
619 * i386.md (dummy_extendsfdf2): Support SSE2
620 (extendsfdf2): Enable if 80387 or SSE2.
621 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
623 (extendsfdf2_1_sse_only): New pattern.
624 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
626 (truncdfsf2_1): Support SSE.
627 (truncdfsf2_2): Support SSE.
628 (truncdfsf2_2_1_sse): New pattern.
629 (fixtruncsfsi2): Always use SSE if available.
630 (fix_truncsfsi_sse): New pattern.
631 (fix_truncdfsi_sse): New pattern.
632 (floatsis?f2): Support SSE.
633 (floatsidf2_i387): New pattern.
634 (floatsidf2_sse): Likewise.
636 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
638 * configure.in: Use "have_gnat" variable, not "gnat".
639 * configure: Regenerated.
641 * config/sparc/sparc.c (function_value): Treat all non-record
642 aggregate types like used to treat UNION_TYPE.
644 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
646 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
647 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
649 (MASK_MIX_SSE_I387): New.
650 (TARGET_SSE): SSE2 imply SSE.
651 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
652 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
653 (enum reg_class): Add new classes.
654 (REG_CLASS_NAMES): Likewise.
655 (REG_CLASS_CONTENTS): Likewise.
656 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
657 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
658 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
659 (CLASS_MAX_NREGS): Use new macros.
660 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
661 * i386.md (pushsf, movsf): Support SSE.
662 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
663 splitters to use ANY_FP_REGNO_P.
664 (movdf_nointeger, movdf_integer): Likewise.
666 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
668 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
669 (try_combine): Use it.
671 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
673 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
674 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
675 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
676 (REGISTER_MOVE_COST): Likewise.
677 * i386-protos.h (ix86_secondary_memory_needed,
678 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
679 * i386.c (ix86_secondary_memory_needed,
680 ix86_preferred_reload_class, ix86_register_move_cost): New function.
682 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
684 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
685 (HARD_REGNO_MODE_OK): Move offline to ....
686 * i386.c (ix86_hard_regno_mode_ok) ... here;
687 refuse all incorrect modes.
688 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
690 2001-02-13 Richard Henderson <rth@redhat.com>
692 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
693 entire operator; replicate that and match_dup the operands.
694 (cmp_ccx_arith_op_set): Likewise.
695 (cmp_cc_arith_op_not_set): Likewise.
696 (cmp_ccx_arith_op_not_set): Likewise.
698 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
700 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
702 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
704 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
705 (TARGET_NO_BITFIELD_WORD): New macro.
706 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
707 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
709 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
711 * cselib.c: New file, from simplify-rtx.c.
712 * simplify-rtx.c: Remove cselib parts.
713 * Makefile.in: Add cselib.o.
715 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
717 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
718 (setup_incoming_varargs): Remove warning.
720 * config/rs6000/rs6000.c (validate_condition_mode): When
721 flag_fast_math, allow floating-point conditionals to be reversed.
722 (rs6000_generate_compare): When flag_fast_math, don't generate
723 cror operations for FP conditionals.
725 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
727 (ASM_SPEC): Likewise.
728 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
729 (CC1_SPEC): Likewise.
730 (LINK_TARGET_SPEC): Likewise.
731 (CPP_ENDIAN_SPEC): Likewise.
732 * Makefile.in (check-consistency): New target.
734 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
736 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
737 "return type defaults" warning for functions with return type
739 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
740 function declarations by default rather than only when pedantic.
742 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
744 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
747 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
749 * extend.texi (Deprecated): Deprecate new initializer lists.
751 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
753 * mkdeps.c (deps_add_default_target): Robustify. Add
754 basename component only.
755 * cpp.texi (-M): Describe how default target is generated.
756 * invoke.texi (-M): Likewise.
758 2001-02-12 Kazu Hirata <kazu@hxi.com>
760 * toplev.c (push_float_handler): Remove.
761 (pop_float_handler): Remove.
762 * toplev.h: Remove prototypes for the above functions.
764 2001-02-12 Jakub Jelinek <jakub@redhat.com>
766 * c-common.c (constant_fits_type_p): New function.
767 (convert_and_check): Use it.
769 2001-02-11 Mark Mitchell <mark@codesourcery.com>
771 * Makefile.in (GXX_ABI_FLAG): Don't define.
772 * configure.in (--enable-new-gxx-abi): Remove option.
773 * config.in: Regenerated.
774 * configure: Likewise.
776 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
778 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
780 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
781 regular basic block, and arrange for all edges into it to switch
784 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
786 * Makefile.in (distclean): Do not remove .gdbinit.
788 2001-02-11 Mark Mitchell <mark@codesourcery.com>
790 * Makefile.in (gcc.o): Fix typos.
791 (protize.o): Likewise.
792 (unprotoize.o): Likewise.
794 2001-02-11 Richard Henderson <rth@redhat.com>
796 * tree.c (build1): Check for null operand in last change.
798 2001-02-11 Richard Henderson <rth@redhat.com>
800 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
801 (fold): Don't assume a constant isn't foldable.
802 * tree.c (build): Set TREE_CONSTANT for an expression with no
803 side-effects and constant operands.
806 2001-02-10 Richard Henderson <rth@redhat.com>
808 * jump.c (squeeze_notes): Revert 2000-05-12 change.
810 2001-02-10 Anthony Green <green@redhat.com>
812 * cpp.texi (Standard Predefined): Add documentation for
815 * c-common.c (combine_strings): Improve warning message.
817 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
819 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
821 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
823 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
825 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
828 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
830 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
833 2001-02-09 Nick Clifton <nickc@redhat.com>
835 * config/arm/arm.md: Change output contraint on post inc
836 load/store multiple patterns to be a read/write contraint.
838 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
840 * gcc.c (cpp_options): Delete .d files on error. Don't delete
841 .o files when using the -M options.
843 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
844 David Edelsohn <edelsohn@gnu.org>
846 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
847 handle DImode constants. Use one TOC entry for SImode and smaller
848 constants, aligned properly.
850 2001-02-08 Jason Merrill <jason@redhat.com>
852 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
853 about the SP adjustment for saving the static chain pointer.
854 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
855 offset when setting a temporary CFA register.
857 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
859 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
860 powerpc-*-chorusos* .
861 * config/rs6000/chorus.h : New file.
862 * config/i386/chorus.h : New file.
863 * config/sparc/chorus.h : New file.
864 * config/sparc/t-chorus-elf : New file.
866 2001-02-08 David Edelsohn <edelsohn@gnu.org>
868 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
869 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
870 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
871 (__WCHAR_TYPE__): Correct macro name.
873 2001-02-08 Richard Henderson <rth@redhat.com>
875 * config/i386/i386.c (ix86_frame_pointer_required): New.
876 (ix86_setup_frame_addresses): New.
877 (struct machine_funciton): Add accesses_prev_frame.
878 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
879 ix86_frame_pointer_required.
880 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
881 (SETUP_FRAME_ADDRESSES): New.
882 * config/i386/i386-protos.h: Update.
883 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
884 from FRAME_POINTER_REQUIRED.
885 * config/i386/svr3gas.h: Likewise.
886 * config/i386/sysv3.h: Likewise.
887 * config/i386/v3gas.h: Likewise.
889 2001-02-08 Richard Henderson <rth@redhat.com>
891 * config/sparc/sparc.c (function_arg_record_value_3): Fix
892 calculation of the number of integer registers required.
893 (function_arg_record_value): Likewise.
895 2001-02-08 Jason Merrill <jason@redhat.com>
897 * diagnostic.c (internal_error): Say "confused" after 1 error, not
898 two. Print file and line with "confused" message.
900 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
902 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
904 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
906 2001-02-08 Bernd Schmidt <bernds@redhat.com>
908 * final.c (cleanup_subreg_operands): The address of a MEM can
911 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
914 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
916 * gcc.texi (Incompatibilities): Update documentation of
917 preprocessing numbers.
919 2001-02-07 Jakub Jelinek <jakub@redhat.com>
921 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
923 2001-02-07 Mark Mitchell <mark@codesourcery.com>
925 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
927 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
928 * gcc.c (struct compiler): Add cpp_spec field.
929 (input_file_compiler): New variable.
930 (do_spec_1): Allow a particular compiler to handle `%C'
932 (main): Store the current compiler in input_file_compiler.
933 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
935 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
937 * cpphash.h (struct spec_nodes): Add n_true and n_false.
938 * cppinit.c (cpp_create_reader): Initialize them.
939 (append_include_chain): cxx_aware arg might be unused.
940 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
941 keywords and give them their phase 7 meaning. Pedwarn about
942 this unless '__bool_true_false_are_defined' is defined.
944 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
946 * lcm.c (optimize_mode_switching): Emit mode_set before the
947 JUMP_INSN of an abnormal edge.
949 2001-02-07 Bernd Schmidt <bernds@redhat.com>
951 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
952 a scheduling barrier at the end.
954 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
956 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
958 * config/sh/sh.md (reload_outsf): Removed.
959 (movsf_ie): Introduce constraints for FPUL loads and stores.
960 (reload_insf): Broaden the output constraint.
962 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
964 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
965 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
967 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
969 * final.c: Revert my previous changes.
970 * output.h: Make profile_label_no extern.
971 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
972 for generating label.
974 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
976 * config/i386/djgpp.h: Add comments about standard paths.
977 (MD_EXEC_PREFIX): Undefine before defining.
978 (MD_STARTFILE_PREFIX): New.
980 2001-01-30 Bruce Korb <bkorb@gnu.org>
982 fixinc/fixincl.c(process): Emit error message only if appropriate :)
983 (load_file): do not rely on load_file_data() to close file pointer
984 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
985 fixinc/inclhack.def(irix_limits_const): add test_text
987 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
989 * cppexp.c (parse_defined): Improve diagnostics for invalid
992 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
994 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
996 2001-02-06 Mark Mitchell <mark@codesourcery.com>
998 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
999 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1000 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1001 (rs6000_output_symbol_ref): New function.
1002 (output_toc): Use VTABLE_NAME_P.
1004 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1006 * print-tree.c (print_node, case PARM_DECL):
1007 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1009 * stor-layout.c (reference_types_internal): New variable.
1010 (internal_reference_types): New function.
1011 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1012 * tree.h (internal_reference_types): New declaration.
1014 * cse.c (find_best_addr): Fix typo in computing cost.
1016 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1018 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1019 and this is the sum of a pointer and a constant, we know the result
1021 (num_sign_bit_copies, case PLUS): Likewise.
1022 * explow.c (convert_memory_address): Remove opposite SUBREG.
1023 * function.c (instantiate_new_reg): New function (from common code).
1024 (instantiate_virtual_regs_1): Call it.
1025 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1026 if pointers sign- or zero-extend.
1027 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1028 If pointers extend unsigned, use inside of SUBREG.
1029 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1031 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1033 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1034 subdir of gcc_gxx_include_dir.
1035 (gcc_gxx_target_include_dir): Remove.
1037 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1039 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1040 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1041 a high-level description.
1043 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1045 * final.c: Move the declaration of profile_label_no to ...
1046 * output.h: ... here.
1047 * function.c (expand_function_start): Call PROFILE_HOOK.
1048 * config/rs6000/aix.h: Define PROFILE_HOOK.
1049 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1050 * config/rs6000/rs6000.c (output_profile_hook): Define.
1051 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1052 output_profile_hook.
1053 tm.texi : Explain new macro PROFILE_HOOK.
1055 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1057 * extend.texi (Extended Asm): Do not say that semicolon is always
1058 a valid line-breaking character for GNU assemblers. Use
1059 newline-tab as the most commonly supported syntax. Use
1060 newline-tab rather than semicolon in multi-insn examples.
1062 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1064 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1066 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1067 David Edelsohn <edelsohn@gnu.org>
1069 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1070 code for AIX, even without flag_pic.
1072 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1074 * c-typeck.c (common_type): push and pop binding level around
1075 calling common_type on function parameters.
1077 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1079 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1081 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1083 * config/mips/mips.c (override_options): Fix typo in last change.
1084 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1085 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1087 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1089 * invoke.texi (-fdump-class-layout): Document.
1090 (-fdump-translation-unit): Use `=' as filename separator.
1092 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1094 * Makefile.in (s-mlib): Don't build multilibs if
1096 (DRIVER_DEFINES): Adjust accordingly.
1098 (protoize.o): Likewise.
1099 (unprotoize.o): Likewise.
1100 * configure.in: Recognize --enable-multilib.
1102 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1104 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1106 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1107 * configure.in: Remove --enable-libstdcxx_v3 support.
1108 * configure: Regenerated.
1110 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1112 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1113 Call abort instead of fatal.
1114 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1115 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1116 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1117 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1118 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1119 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1121 * diagnostic.h (set_internal_error_function): Renamed.
1122 * toplev.h (internal_error): Renamed from fatal.
1123 (pfatal_with_name): Deleted.
1124 (fatal_io_error): Now has printf-style arguments.
1125 * diagnostic.c (pfatal_with_name): Deleted.
1126 (fatal_io_error): Rework to have args in printf-style.
1127 (set_internal_error_function): Renamed from set_fatal_function.
1128 (internal_error): Renamed from fatal.
1129 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1130 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1131 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1132 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1133 * flow.c (verify_flow_info): Likewise.
1134 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1135 * config/mips/mips.c (save_restore_insns): Likewise.
1137 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1138 * flow.c (verify_flow_info): Likewise.
1139 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1140 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1141 (avr_normalize_condition): Likewise.
1142 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1143 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1144 (limit_reload_class, double_reg_to_memory): Likewise.
1145 (print_operand_address, emit_1600_code_shift): Likewise.
1146 (gen_tst_reg, gen_compare_reg): Likewise.
1147 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1148 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1150 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1152 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1153 * objc/objc-act.c (build_ivar_chain): Likewise.
1154 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1156 * graph.c (clean_graph_dump_file): Likewise.
1157 * profile.c (init_branch_prob): Likewise.
1158 * objc/objc-act.c (objc_init): Likewise.
1160 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1161 * config/avr/avr.c (avr_override_options): Likewise.
1162 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1163 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1164 * config/h8300/h8300.c (h8300_init_once): Likewise.
1165 * config/mips/mips.c (override_options): Likewise.
1166 * config/i386/i386.c (override_options): Likewise, rework.
1167 * config/m68k/m68k.c (override_options): Likewise.
1169 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1171 * config/mips/mips.c (print_operand): Likewise.
1172 * hash.c (hash_allocate): Don't check for failure returns from
1173 obstack functions that can't fail.
1174 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1175 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1176 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1177 (get_object_reference): Likewise.
1179 2001-02-04 Nick Clifton <nickc@redhat.com>
1181 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1182 StrongARM1110, 10TDMI, and 1020T.
1184 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1186 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1188 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1190 * config/sh/sh.md (movdf load split): Pass register number to
1191 FP_OR_XD_REGISTER_P.
1193 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1195 * cppinit.c (BC): New macro.
1196 (builtin_array): Add __GXX_WEAK__.
1197 * cpplib.h (builtin_type): Add BT_WEAK.
1198 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1199 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1200 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1202 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1204 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1206 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1208 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1209 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1211 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1213 * cpphash.h: Rename ALIGN _ALIGN.
1214 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1216 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1218 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1219 compilation environment.
1220 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1221 control over location of cygwin includes and libs.
1223 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1225 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1227 2001-02-02 lars brinkhoff <lars@nocrew.org>
1229 * md.texi (Standard Names): remove reference to spur.md.
1231 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1233 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1234 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1235 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1236 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1237 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1239 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1241 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1242 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1243 number before reload.
1244 (c4x_adjust_cost): Return zero before reload.
1245 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1246 split before reload.
1248 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1250 * c4x.c (c4x_hard_regno_rename_ok): New.
1251 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1252 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1254 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1256 * diagnostic.h: Add missing "extern" in all declarations.
1258 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1260 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1261 as for gcc_gxx_include_dir.
1263 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1265 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1267 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1269 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1270 label before alignment to be used as the braf base address.
1271 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1273 (casesi_jump_2): Require at least TARGET_SH2.
1275 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1276 truncation to 32-bit doubles on -m3e and -m4-single-only.
1278 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1280 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1281 the default when building a shared object.
1282 (init_spec): Use it.
1283 * testsuite/lib/g++.exp: Include the directory where libgcc
1284 is located to the LD_LIBRARY_PATH list.
1285 * invoke.texi (-shared-libgcc): Document the cases in which
1286 GCC defaults to using the shared libgcc.
1288 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1290 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1291 unsigned is wide enough.
1293 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1294 (si_to_float): Likewise.
1295 (float_to_si, float_to_usi): Use BITS_PER_SI.
1297 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1299 * dwarf2out.c: Added explanation of abbreviations.
1300 (def_cfa_1): Added comments listing DWARF2 instructions.
1301 (cfa_temp_reg): Removed in favor of cfa_temp.
1302 (cfa_temp_value): Removed in favor of cfa_temp.
1303 (cfa_temp): New global variable.
1304 (dwarf2out_frame_debug_expr): Added extensive introductory
1305 comments explaining the function's transformations. Revised to
1306 use cfa_temp. Added some rtx checking. Generalize IOR case.
1307 (dwarf2out_frame_debug): Revised to use cfa_temp.
1308 (output_aranges): Cast as "unsigned" to avoid warning.
1309 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1310 explain which instructions must be marked.
1312 2001-02-01 Richard Henderson <rth@redhat.com>
1314 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1317 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1319 * config/sh/crt1.asm (main_k): Modified so that start calls
1320 ___setup_argv_and_call_main.
1322 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1324 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1325 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1326 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1327 * cppmacro.c (builtin_macro): Set builtin flags here.
1328 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1329 (replace_args): Clarify intent.
1330 (cpp_get_token): Macro expansion tokens get the saved flags.
1332 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1335 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1337 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1340 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1342 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1343 returns Pmode pseudo, but we need ptr_mode.
1344 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1345 Remove bogus conversions; use HOST_WIDE_INT for size.
1346 Don't use TARGET if wrong mode.
1348 * config/i386/i386.c (ix86_compute_frame_size): Allow
1349 stack_alignment_needed to be non-default even if size is zero.
1351 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1353 * (hppa_init_pic_save): Emit the pic offset table
1354 reg save after last_parm_insn.
1355 * pa.c (hppa_init_pic_save): New function.
1356 * pa.h (hppa_init_pic_save): Declare.
1357 * pa.md (call, call_value, sibcall, sibcall_value): Use
1358 the above instead of duplicated code.
1360 * pa.c (hppa_encode_label): Correct size of alloca buffer
1361 so we don't overrun it. Correct leading `*' case.
1362 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1363 need to handle `*@'.
1364 (FUNCTION_NAME_P): Likewise.
1366 2001-01-31 Richard Henderson <rth@redhat.com>
1368 * config.gcc (alpha-osf5): Use float-i128.h.
1370 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1371 * config/float-i32.h: Likewise.
1372 * config/float-i64.h: Likewise.
1373 * config/float-sh.h: Likewise.
1374 * config/float-sparc.h: Likewise.
1376 2001-01-31 DJ Delorie <dj@redhat.com>
1378 * expmed.c (extract_bit_field): allow non-integral modes if we
1379 want to extract a whole register from itself.
1381 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1383 * c-typeck.c (set_init_index): If first is equal to last, assume as
1384 if it was not a range at all.
1386 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1388 * config/fp-bit.c: Include tm.h.
1389 (float_to_si): Don't assume SImode is 32-bits wide.
1390 (float_to_usi): Likewise.
1392 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1394 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1396 (typename): Call pending_xref_error after parsing typed_typespecs.
1397 * c-decl.c (lookup_tag): Give error immediately rather than
1398 leaving it pending if the tag of the wrong type is in the same
1400 (xref_tag): Don't pedwarn for forward declarations of enum types
1402 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1405 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1407 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1409 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1411 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1412 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1414 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1416 * cpphash.h (struct cpp_reader): New saved_flags.
1417 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1418 to avoid a paste after a pasted token.
1420 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1422 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1423 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1424 Wtype_MIN instead of LONG_MIN.
1426 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1428 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1430 * fixinc/fixincl.x: Regenerated.
1431 * fixinc/inclhack.def (irix_limits_const): New definition to
1432 convert "const" to "__const" in limits.h.
1434 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1436 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1438 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1440 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1441 when register dies in the insn.
1443 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1445 * diagnostic.c (fatal): Fix word wrap.
1447 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1449 * combine.c (try_combine): Fix SUBREG setting for
1450 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1452 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1454 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1457 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1459 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1461 * toplev.c (decode_W_option): Update warn_larger_than
1462 unconditionally for each processed switch.
1464 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1466 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1468 (hppa_expand_prologue): Delete code to save pic offset table register
1469 in the function prologue.
1470 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1471 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1472 table register at the beginning of the function after the prologue.
1474 2001-01-29 lars brinkhoff <lars@nocrew.org>
1476 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1478 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1479 Jeff Law <law@redhat.com>
1481 * pa.md (return): Revise comment for trivial return.
1482 (return_internal): Non-trivial return pattern for non-PIC code.
1483 (return_internal_pic): Non-trivial return pattern for PIC code.
1484 It uses the PIC register to ensure it is restored after
1486 (epilogue): Generate appropriate return for PIC and non-PIC code.
1488 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1490 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1492 2001-01-29 DJ Delorie <dj@redhat.com>
1494 * combine.c (if_then_else_cond): Pass the correct mode to
1495 operand_subword() for constants.
1497 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1499 * config/i386/cygwin.h: Add w32api to include search. Search different
1500 directories in a cross-build environment.
1502 2001-11-29 Tim Josling <tej@melbpc.org.au>
1504 * tree.h (TYPE_STUB_DECL): Add documentation.
1506 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1508 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1509 (sdbout_field_types): Likwise. Fix use of host_integerp.
1511 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1513 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1516 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1518 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1519 to use flag_gnu_linker.
1521 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1523 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1524 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1526 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1528 * tree.c, tree.h (build_parse_node): Remove; was identical to
1530 * c-lang.c (start_cdtor), objc/objc-act.c
1531 (build_module_descriptor): Use build_nt instead of
1534 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1536 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1537 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1538 not have any upper bits set.
1540 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1542 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1544 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1546 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1548 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1550 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1551 (integer_minus_one_node): Define.
1553 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1555 * Makefile.in (bootstrap2-lean): Fix typo.
1557 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1559 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1560 : Don't set fe_value.
1561 * cpplib.h (AVOID_LPASTE): New flag.
1562 (struct cpp_hashnode): Remove fe_value.
1563 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1564 * cppmacro.c (builtin_macro): Don't set flags here.
1565 (replace_args): Set AVOID_LPASTE flag on first token of an
1566 argument, and the token following it.
1567 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1568 macro expansion, and on the token following it. Do it for
1570 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1572 2001-01-27 Richard Henderson <rth@redhat.com>
1574 * config/alpha/t-ieee: Remove multilibbing.
1575 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1577 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1581 * Makefile.in: Remove all dependencies on defaults.h.
1582 * builtins.c: Don't include defaults.h.
1583 * c-common.c: Likewise.
1584 * c-decl.c: Likewise.
1585 * c-pragma.c: Likewise.
1586 * c-typeck.c: Likewise.
1587 * combine.c: Likewise.
1589 * frame-ia64.c: Likewise.
1590 * cppexp.c: Likewise.
1591 * crtstuff.c: Likewise.
1592 * dbxout.c: Likewise.
1593 * dwarf2out.c: Likewise.
1594 * dwarfout.c: Likewise.
1595 * emit-rtl.c: Likewise.
1596 * except.c: Likewise.
1598 * final.c: Likewise.
1599 * frame-dwarf2.c: Likewise.
1600 * libgcc2.c: Likewise.
1601 * optabs.c: Likewise.
1602 * profile.c: Likewise.
1603 * sdbout.c: Likewise.
1604 * toplev.c: Likewise.
1605 * tradcif.y: Likewise.
1607 * varasm.c: Likewise.
1609 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * builtins.c (expand_builtin_fputs): Use size_one_node when
1612 transforming into fwrite.
1614 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1616 * extend.texi (Attribute Syntax): New section.
1618 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1620 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1621 they didn't need fixing.
1623 2001-01-27 Janis Johnson <janis@us.ibm.com>
1625 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1627 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1628 to remove macro definitions that are duplicated from elfos.h.
1630 2001-01-27 Richard Henderson <rth@redhat.com>
1632 * config/i386/sco5gas.h: Move ...
1633 * config/usegas.h: ... here.
1634 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1636 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1638 * c-typeck.c (struct constructor_stack): Add range_stack member.
1639 (really_start_incremental_init): Clear it.
1640 (push_init_level): Save constructor_range_stack and clear it if
1641 pushing explicit braces.
1642 (pop_init_level): abort if constructor_range_stack is non-zero at
1643 explicit closing brace. Restore saved constructor_range_stack if
1646 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1648 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1649 into register was forced into memory.
1651 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1653 * Makefile.in: Remove uses of + before $(MAKE).
1655 2001-01-26 Richard Henderson <rth@redhat.com>
1657 * stmt.c (cost_table): Remove.
1658 (COST_TABLE, cost_table_initialized): New.
1659 (estimate_case_costs): Use the later instead of the former.
1660 (balance_case_nodes): Likewise.
1662 2001-01-26 Richard Henderson <rth@redhat.com>
1664 * alias.c (objects_must_conflict_p): Read-only slots may not
1665 conflict despite having the same type.
1667 2001-01-27 Michael Hayes <mhayes@redhat.com>
1669 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1671 (check_ext_dependant_givs): Initialise u_start_val and
1673 (load_mems): Make last_max_reg unsigned.
1674 (try_swap_copy_prop): Use INSN_P and initialise set.
1676 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1678 * README.AVR : Removed.
1680 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1682 * pa-64.h (text_section): Remove declaration.
1684 * pa.md (return_internal): Remove mode on PIC register use.
1686 2001-01-25 lars brinkhoff <lars@nocrew.org>
1688 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1689 ASM_CLOSE_PAREN): fix typos.
1691 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1693 * acconfig.h: Define `const' to the empty string if neither
1694 __STDC__ nor __cplusplus is defined.
1695 * config.in: Regenerated.
1697 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1699 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1700 * collect2.c (main): Delete importf. Add ".obj" file extension.
1701 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1702 (aix_std_libs): Add additional AIX libraries to skip.
1703 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1704 * config/rs6000/aix51.h: New file.
1706 2001-01-25 Michael Hayes <mhayes@redhat.com>
1708 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1709 (loop_insn_emit_before): No longer static.
1710 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1711 (loop_givs_rescan, load_mems): Likewise.
1712 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1713 (maybe_eliminate_biv_1):
1714 (move_movables): Replace emit_call_insn_before with
1715 loop_call_insn_hoist.
1716 * loop.h (loop_insn_emit_before): Add.
1717 * unroll.c (copy_loop_body): Replace emit_insn_before with
1718 loop_insn_emit_before.
1720 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1722 * diagnostic.c (fatal): Request preprocessed source.
1724 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1726 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1727 olddecl has argument types and newdecl has none, use the argument
1730 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1732 * dwarf2out.c (prefix_of): New function. Determine longest common
1733 prefix of the two arguments. The units are whole path components.
1734 (output_file_names): When adding a new directory find the one entry
1735 with the longest common prefix already in the list. Artificially
1736 generate entry if there is none for this prefix.
1737 Fix test to check whether the zeroth directory entry is used.
1739 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1741 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1742 Changed all callers. Take it into account when deciding if a
1743 previously loaded value matches.
1745 2001-01-24 Richard Henderson <rth@redhat.com>
1747 * reload.c (find_reloads_subreg_address): Fail the substitution
1748 if the resulting address is insufficiently aligned.
1750 2001-01-24 DJ Delorie <dj@redhat.com>
1752 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1753 check the original operand's mode also.
1754 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1756 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1758 * c-parse.in (cast_expr): Move compound literals from here ...
1759 (primary): ... to here. Use standard terminology "compound
1760 literal" instead of "constructor expression".
1762 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1764 * gcc.1, cpp.1: Regenerate.
1766 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1768 * calls.c (emit_library_call_value_1): Memory slot for
1769 pass-by-reference argument should have the mode of the argument,
1770 not of the pointer to it.
1772 2001-01-24 Tom Tromey <tromey@redhat.com>
1774 * gcc.texi (G++ and GCC): Mention gcj manual.
1775 (Standards): Link to section of manual mentioning gcj/Java
1778 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1780 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1781 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1782 * tradcpp.c (main): Add -imacros or -include'd dependencies
1784 * cpp.texi (-M, -MM): Document -M -include behaviour.
1786 2001-01-24 Roger Collins <roger@ProProject.com>
1788 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1790 2001-01-24 Will Cohen <wcohen@redhat.com>
1792 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1793 whether registers are 32 bits or 64 bits in size.
1795 2001-01-24 Ben Elliston <bje@redhat.com>
1797 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1799 2001-01-24 Richard Henderson <rth@redhat.com>
1801 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1802 (builtin_longjmp): Use it instead of emit_indirect_jump.
1804 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1806 * bb-reorder.c (make_reorder_chain_1): Handle case where
1807 jump edge goes to the same block as the fallthru edge.
1809 2001-01-23 Jim Wilson <wilson@redhat.com>
1811 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1812 * frame.h (__ia64_personality_v1): Add prototype.
1813 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1814 prototype form. Add void * cast to first argument to personality
1816 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1817 (asctoe113): Likewise.
1818 * config/ia64/frame-ia64.c: Include eh-common.h.
1819 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1821 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1823 (itanium_split_issue): Add prototype.
1824 (gen_nop_type): Ifdef out.
1825 (find_best_packet): Initialize best_packet.
1826 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1828 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1829 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1830 (flushrs): Add explicit stop bit at end.
1831 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1834 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1836 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1838 * libgcc2.c (__terminate_func): Make variable static.
1839 (__terminate_set_func): New function to set __terminate_func.
1840 * libgcc2.h (__terminate_func_ptr): New typedef.
1841 (__terminate_set_func): New function.
1843 2001-01-23 Richard Henderson <rth@redhat.com>
1845 * flow.c (init_propagate_block_info): Don't consider unchanging
1846 memories for dead frame store elimination.
1848 2001-01-23 Richard Henderson <rth@redhat.com>
1850 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1851 * defaults.h: ... here.
1853 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1855 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1857 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1859 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1861 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1863 * rs6000.h (rs6000_return_addr): Move prototype from here...
1864 * rs6000-protos.h (rs6000_return_addr): ...to here.
1865 (rs6000_init_expanders): Delete prototype.
1867 2001-01-23 Nick Clifton <nickc@redhat.com>
1869 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1870 (Spec Files): Document %B and %j and %. and %v3 and %M and
1871 %{S*&T} spec switches.
1873 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1875 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1877 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1878 Neil Booth <neil@daikokuya.demon.co.uk>
1880 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1881 Have -Werror make pedantic warnings errors, like the
1884 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1886 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1888 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1890 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1891 * integrate.c (expand_inline_function): Initialize them.
1892 (subst_constants): If changing COMPARE so that both its arguments
1893 will be VOIDmode and the comparison mode will be lost, note
1894 compare_mode. Use the recorded compare_mode to optimize
1897 2001-01-23 Jason Merrill <jason@redhat.com>
1899 * dwarf2out.c (new_die): Use xcalloc.
1900 (output_die): Abort rather than emit a local reference to offset 0.
1902 2001-01-17 Andrew Haley <aph@redhat.com>
1904 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1905 of a saved register; return NULL instead.
1906 (copy_reg): Take a pointer to a source register rather than a
1908 (next_stack_level): Remember the address in the stack frame of all
1910 Use the saved register pointer array as the source of the CFA.
1911 (throw_helper): Rewrite. Unwind once rather than twice and keep
1912 track of saved registers as we go.
1914 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1916 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1917 * c4x.c (c4x_legitimize_reload_address): Remove.
1918 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1919 reload address for ldp(k) insn.
1921 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1923 * pa.md (return_internal): Add a USE of the PIC register to ensure
1924 it is restored after each call.
1925 (return expander): Corresponding changes.
1927 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1929 * rs6000.h (INIT_EXPANDERS): Delete.
1930 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1931 * rs6000.c (rs6000_override_options): Call *_machine_status from
1933 (rs6000_init_expanders): ...instead of here. Delete.
1934 (rs6000_mark_machine_status): New function.
1935 (rs6000_init_machine_status): Use xcalloc.
1936 (rs6000_return_addr): Generate RTX for the return address.
1937 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1938 (rs6000_stack_info): Use it.
1940 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1942 * gthr-win32.h: Include errno.h to get a declaration for
1943 EINVAL and _mingw.h if the target is mingw32.
1945 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1947 * cpp.texi: Correct typos.
1949 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1951 * explow.c (probe_stack_range): Ensure value passed to
1952 stack_check_libfunc is ptr_mode, not Pmode.
1954 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1956 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1957 case, don't use operand_subword to calculate a SUBREG that is
1960 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1962 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1964 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1965 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1966 valid. If not replace it by equivalent insns.
1968 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1970 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1971 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1972 (c4x_U_constraint, symbolic_address_operand): Likewise.
1973 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1975 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1976 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1977 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1978 anulling slot because of silicon bug.
1979 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1981 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1983 * cppexp.c (parse_charconst): Change `mask' type to agree
1986 2001-01-21 Richard Henderson <rth@redhat.com>
1988 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1989 pic_label_name in a linkonce section.
1991 2001-01-17 Philipp Thomas <pthomas@suse.de>
1993 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1995 * configure: Regenerate.
1997 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1999 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2000 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2002 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2004 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2005 If REVERSE nonzero then condition code in X must be reversed.
2006 (encode_section_info): Optimise if/else.
2007 (avr_function_value): Fix formatting.
2009 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2010 (difficult_branch): Likewise.
2011 (rvbranch): Likewise.
2012 (difficult_rvbranch): Likewise.
2014 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2016 * config/avr/libgcc.S: Fix comment.
2018 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2020 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2022 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2024 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2026 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2028 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2029 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2030 * configure, config.in: Regenerate.
2031 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2032 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2033 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2034 (doprint.o): New rule.
2036 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2038 * c-typeck.c (digest_init): Handle boolean types as scalars.
2040 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2042 * stmt.c (expand_return): Don't return anything if size is zero.
2043 Delete redundant assignment to BYTES.
2044 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2046 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2048 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2049 the same as the default library function names.
2050 * config/avr/avr.md: Document special characters after '%'.
2051 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2052 knowing which of the call-used registers are really clobbered.
2053 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2054 New. Both quotient and remainder from one libgcc.S call.
2055 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2056 clobber as few registers as possible.
2057 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2059 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2061 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2062 context of the top of the stack.
2064 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2066 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2067 (fixup_var_refs_insns): ...here.
2069 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2071 * function.c (fixup_var_refs_insns): Break up into
2072 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2073 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2074 [loop over hash table entries].
2075 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2076 fixup_var_refs_insns_with_hash, to match above changes.
2078 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2080 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2081 (libgcc.a): Likewise.
2082 (stmp-multilib): Likewise.
2083 (STAGE2_FLAGS_TO_PASS): Likewise.
2085 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2087 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2088 temporary if no_new_pseudos.
2090 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2092 * cppinternals.texi: Update.
2094 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2096 * arm.c (arm_init_builtins): Re-enable builtins.
2098 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2100 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2101 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2102 element to be null, and always expect an EXPR_LIST.
2103 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2104 * sched-deps.c (sched_analyze_1): Likewise.
2105 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2107 * regclass.c (max_set_parallel): New variable.
2108 (reg_scan): Take it into account in computation of max_parallel.
2109 (reg_scan_mark_refs, case SET): Compute it.
2111 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2113 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2114 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2116 2001-01-19 Jason Merrill <jason@redhat.com>
2118 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2119 for the abstract instance of an inline function.
2121 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2122 J"orn Rennecke <amylaar@redhat.com>
2124 * reload1.c (move2add_note_store): Treat all registers directly or
2125 indirectly derived from a base register as members of the same set
2127 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2128 of base register into account.
2130 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2132 * alias.c (find_base_value): Recognize TRUNCATE.
2133 (record_set): In PLUS case, invalidate if other summand is also a
2136 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2138 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2139 entry to be EXPR_LIST.
2140 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2141 be an EXPR_LIST (but not null, which other code doesn't allow).
2142 (note_stores): Properly handle PARALLEL in SET.
2143 Recursively call for top-level PARALLEL.
2144 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2145 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2147 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2149 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2151 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2152 not pfile->skipping (== 0).
2154 2001-01-17 Nick Clifton <nickc@redhat.com>
2156 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2159 2001-01-17 Jim Wilson <wilson@redhat.com>
2161 * invoke.texi (IA-64 options): Improve.
2163 2001-01-17 Tom Tromey <tromey@redhat.com>
2165 * invoke.texi (Optimize Options): Use `{}' to around @samp
2168 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2170 * invoke.texi (-fno-guess-branch-probability): New option.
2172 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2174 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2175 case of making new double-word constant.
2176 Revert last change: instead just test i3_subst_into_i2.
2178 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2180 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2181 Use q constraints instead of r.
2183 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2185 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2186 (machine_function): Define.
2187 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2188 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2189 pa_free_machine_status): New functions.
2190 (override_options): Set {init,mark,free}_machine_status to above.
2191 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2192 PIC_OFFSET_TABLE_REGNUM_SAVED.
2193 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2194 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2195 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2196 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2197 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2199 2001-01-15 DJ Delorie <dj@redhat.com>
2201 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2205 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2207 * flow.c (propagate_on_insn): Make trying to delete a prologue
2208 or epilogue insn an ICE, not a warning. Allow doing this if
2209 the current function returns with stack pointer depressed.
2211 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2212 I3 having more than one SET.
2214 2001-01-16 Jim Wilson <wilson@redhat.com>
2216 * invoke.texi: Document IA-64 options.
2218 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2219 (fixup_errata): Delete TARGET_A_STEP use.
2220 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2221 (TARGET_SWITCHES): Delete -ma-step option.
2222 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2223 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2224 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2225 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2226 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2227 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2229 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2230 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2231 cmovsi_internal): Delete ! TARGET_A_STEP check.
2233 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2235 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2236 possibility to report bugs via postal mail. Change a URL and
2237 merge in a nearly duplicate statement...
2238 (Bug Reporting): ...from here.
2239 (Service): Refer to the Bug Reporting section instead of
2241 (Contributing): Remove trivial explanations concerning snapshots.
2243 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2245 * cppmain.c (general_init): Don't use ANSI prototype.
2247 2001-01-16 Tom Tromey <tromey@redhat.com>
2249 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2251 2001-01-16 Richard Henderson <rth@redhat.com>
2253 * config/i386/i386.h: Fix comment typo.
2254 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2255 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2257 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2259 * gcc.c: Revert previous -fsyntax-only-related change; move
2262 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2264 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2265 inmode after checking GET_CODE (op).
2267 2001-01-16 Richard Henderson <rth@redhat.com>
2269 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2270 (MAX_MEM_SET_LIST_LEN): New.
2271 (propagate_one_insn): Update mem_set_list_len.
2272 (invalidate_mems_from_autoinc): Likewise.
2273 (invalidate_mems_from_set): Likewise.
2274 (mark_used_regs): Likewise.
2275 (init_propagate_block_info): Likewise. Stop collecting memories
2276 when we reach MAX_MEM_SET_LIST_LEN.
2277 (mark_set_1): Likewise.
2279 2001-01-16 Richard Henderson <rth@redhat.com>
2281 * unroll.c (precondition_loop_p): Fail if no iteration
2284 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2286 * gcc.c: When -fsyntax-only is given, do not complain about
2289 2001-01-15 Richard Henderson <rth@redhat.com>
2291 * config/i386/i386.c (asm_output_function_prefix): Remove.
2292 (ix86_asm_file_end): New.
2293 (load_pic_register): Generate pic_label_name into a
2294 staticly allocated buffer.
2295 * config/i386/i386-protos.h: Update.
2296 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2297 (ASM_FILE_END): New.
2298 * config/i386/i386afe.h: New file.
2299 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2300 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2301 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2302 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2303 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2304 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2305 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2307 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2309 * Makefile.in (install-man): Remove explicit dependency on
2312 * configure.in, configure: Revert previous patch requiring perl
2315 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2317 * toplev.c (flag_guess_branch_prob): New.
2318 (f_options): Add guess-branch-probability option.
2319 (rest_of_decl_compilation): Only estimate branch probability if
2321 (main): set flag_guess_branch_prob.
2323 * flags.h (flag_guess_branch_prob): New.
2325 2001-01-15 DJ Delorie <dj@redhat.com>
2327 * gcc.texi (Makefile): Add documentation for Makefile targets.
2329 2001-01-15 Philip Blundell <philb@gnu.org>
2331 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2333 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2334 (is_pic): Delete declaration.
2335 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2336 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2337 * config/arm/arm.md (builtin_setjmp_receiver): New.
2339 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2341 * arm.c (use_return_insn): Don't try to determine the function type
2342 until after reload has completed.
2343 (arm_output_epilogue): Don't adjust the sp value recovered from the
2345 (emit_multi_reg_push): Don't record dwarf information for the pc.
2346 * arm.md (eh_epilogue): The function type may have changed, so it
2347 needs to be recalculated.
2348 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2349 unwind tables on arm/netbsd.
2351 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2353 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2354 (negated_cbranchsi4): Likewise.
2356 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2358 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2359 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2360 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2361 pass -mapcs-* options to assembler.
2362 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2363 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2364 (ASM_SPEC): Call subtarget_extra_asm_spec.
2366 2001-01-15 Andreas Jaeger <aj@suse.de>
2368 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2370 (ix86_expand_builtin): Likewise.
2372 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2373 warning about comparison between signed and unsigned.
2375 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2377 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2379 2001-01-14 Ralf Baechle <ralf@gnu.org>
2381 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2382 SUBTARGET_CPP_SPEC apropriatly.
2384 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2386 * varasm.c (make_decl_rtl): Fix typo in last change.
2388 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2390 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2391 linker supports the init_priority C++ attribute.
2392 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2393 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2394 linker does not support init_priority C++ attribute.
2396 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2398 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2400 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2402 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2403 * cp/lex.c (finish_parse): Similarly.
2404 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2405 Return the number of errors encountered.
2406 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2407 * cppmain.c (main): Don't call cpp_destroy.
2409 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2411 * configure.in: Require at least perl 5.6.0 to regenerate
2413 * configure: Regenerate.
2415 2001-01-14 Richard Henderson <rth@redhat.com>
2417 * genrecog.c (DT_veclen_ge): New.
2418 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2419 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2420 (nodes_identical_1): Handle DT_veclen_ge.
2421 (write_cond, debug_decision_2): Likewise.
2423 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2425 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2427 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2429 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2431 * cppmain.c (do_preprocessing): New function; most of the old
2433 (main): Call it to do most of the work.
2434 (cb): Move from global scope to set_callbacks ().
2435 (setup_callbacks): Get the callback pointer.
2436 (general_init, printer_init): Clean up code and comments.
2438 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2440 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2443 2001-01-14 Kazu Hirata <kazu@hxi.com>
2445 * config/h8300/h8300.c (get_shift_alg): Update comments.
2447 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2449 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2450 (alloc_page, ggc_alloc): Add casts to remove warnings.
2452 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2454 * combine.c (simplify_comparison): Don't change `code' when
2455 can't reverse comparison.
2457 2001-01-14 Richard Henderson <rth@redhat.com>
2459 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2460 update all call sites. Return true for all non-label constants.
2462 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2464 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2466 (ix86_expand_branch): Update.
2467 (ix86_expand_setcc): Update to handle multiple test conditions.
2468 (expand_int_movcc): Likewise.
2469 (expand_fp_movcc): Likewise.
2470 * i386-protos.h (ix86_expand_compare): New.
2471 * i386.md (andqi_?_slp, orqi_?_slp): New.
2472 (conditional trap expander): Update call to ix86_expand_compare.
2474 2001-01-14 Richard Henderson <rth@redhat.com>
2476 * config/vax/vax.md: Use nonimmediate_operand instead of
2477 general_operand in destinations.
2479 * config/vax/vax.md (indirect_jump): Use register_operand.
2481 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2482 * config/vax/vax.md (call_pop): Turn into an expander.
2483 (call_value_pop): Likewise.
2484 (call, call_value): New.
2486 2001-01-14 Andreas Jaeger <aj@suse.de>
2488 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2490 (ix86_fp_compare_mode): Add unused attribute.
2491 (ix86_expand_fp_movcc): Remove unused variable.
2492 (ix86_expand_builtin): Make fcode unsigned.
2494 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2495 (expand_expr): Add cast to avoid signed warning.
2496 (store_field): Likewise.
2497 (store_constructor_field): Likewise.
2498 (store_constructor): Likewise.
2499 (store_expr): Likewise.
2500 (clear_storage): Likewise.
2501 (emit_group_store): Likewise.
2502 (emit_group_load): Likewise.
2504 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2506 * c-common.c: Move format checking code to ...
2507 * c-format.c: ... here. New file. Reorder some functions and
2509 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2511 * c-common.h (decl_handle_format_attribute,
2512 decl_handle_format_arg_attribute): Declare.
2513 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2514 (c-common.o): Adjust dependencies.
2515 (c-format.o): New list of dependencies.
2517 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2519 * unroll.c (loop_iterations): If we cannot prove iteration variable
2520 is set once in each iteration, punt.
2522 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2524 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2525 (*strlenhi): Remove clobber (which was buggy) of output address.
2527 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2529 * Makefile.in (generated-manpages): Add gcc.1
2530 ($(srcdir)/gcc.1): New target.
2531 (maintainer-clean): Delete $(srcdir)/gcc.1.
2532 * gcc.texi: Add macros @gccoptlist and @gol.
2533 * invoke.texi: Include option summary in manpage. Mark up option
2534 summary with @gccoptlist and @gol. Use @r in one place where
2536 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2537 * gcc.1: Generate from invoke.texi.
2539 2001-01-13 Richard Henderson <rth@redhat.com>
2541 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2542 (struct page_entry): Add group member.
2543 (struct page_group): New.
2544 (struct globals): Add page_groups member.
2545 (alloc_anon): Only define for using mmap; remove valloc call.
2546 (page_group_index): New.
2547 (set_page_group_in_use): New.
2548 (clear_page_group_in_use): New.
2549 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2550 (free_page, release_pages): Likewise.
2551 * configure.in (with-gc): Default to ggc-page always.
2553 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2555 * reload1.c (replace_pseudos_in_call_usage): Use
2556 reg_equiv_constant and reg_equiv_address, and don't try
2557 regno_reg_rtx first.
2559 2001-01-13 Richard Henderson <rth@redhat.com>
2561 * ggc-page.c (alloc_page): Round up allocation size to one page.
2562 Set e->order on extra pages.
2564 2001-01-13 Richard Henderson <rth@redhat.com>
2566 * genrecog.c (nodes_identical): Expand commentary.
2567 (write_switch): Watch out for identical nodes.
2569 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2571 * cppfiles.c (_cpp_fake_include): New function.
2572 * cpphash.h (_cpp_fake_include): New.
2573 * cpplib.c (do_line): Call _cpp_fake_include when entering
2574 header files in preprocessed input.
2575 * cppmain.c (cb_pragma_implementation): Remove handling.
2576 (setup_callbacks): Don't register pragmas.
2578 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2580 * extend.texi: Udate for CPP.
2582 2001-01-13 Andreas Jaeger <aj@suse.de>
2584 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2586 * regmove.c: Add prototype for replace_in_call_usage.
2588 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2590 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2591 struct cpp_chunk, struct htab, struct toklist,
2592 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2593 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2594 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2595 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2596 (struct macro_args): Delete.
2597 * cpphash.h: See above.
2599 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2601 * cppmain.c (struct printer): Remove no_line_dirs.
2603 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2604 : Use options rather than CPP_OPTION.
2605 (setup_callbacks): Use cb rather than pfile->cb.
2606 (main): No need to check for a buffer. Use cpp_errors.
2607 (printer_init): Don't set no_line_dirs.
2608 (maybe_print_line): Use options not no_line_dirs.
2609 (cb_file_change): Don't call print_line if -P.
2611 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2613 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2615 * c-parse.in (finish_parse): Use cpp_errors.
2616 (__yylex): Use return value of cpp_pop_buffer.
2617 * cp/lex.c (finish_parse): Use cpp_errors.
2618 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2620 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2622 * README.AVR: URLs corrected.
2624 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2626 * c-decl.c (start_function): Don't warn if old prototype is builtin
2627 that's not in C's namespace.
2628 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2629 (_bb): Add prototype for ctime.
2630 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2632 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2634 * i386.c (ix86_fp_comparison_arithmetics_cost,
2635 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2636 ix86_fp_comparison_cost): New functions.
2637 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2638 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2639 two-branch sequences; make static.
2640 (ix86_use_fcomi_compare): Do decision according to the costs.
2641 (split_fp_branch): New.
2642 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2643 * i386-protos.h (ix86_expand_fp_compare): Remove
2644 (ix86_split_fp_branch): Declare.
2646 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2647 and ix86_comparison_operator.
2649 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2652 * i386.c (put_condition_code): Output properly the unordered/ordered
2653 compares in fp case.
2654 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2656 * tm.texi (REVERSE_CONDITION): Document.
2657 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2658 in -ffast-math mode.
2659 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2661 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2663 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2665 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2668 * config/sh/sh.c (mova_p): Fix test for mova_const.
2670 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2672 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2673 cpp_get_options rather than dereferencing pfile and using
2675 * scan-decls.c (scan_decls): Use return value of
2676 cpp_pop_buffer rather than CPP_BUFFER.
2678 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2680 * cppinit.c (cpp_handle_option): help_only is now part of the
2681 cpp_options structure.
2682 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2683 cpp_set_callbacks): New functions.
2684 * cpplib.h (cpp_callbacks): Break out as a named structure.
2685 (cpp_options): Move help_only here from cpp_reader.
2686 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2687 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2688 cpp_set_callbacks): New prototypes.
2689 * cppmain.c (main): Update for help_only.
2691 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2693 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2694 Also build and remove and install and uninstall c-tree.info and
2696 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2697 ($(srcdir)/cppinternals.info): New target.
2698 * c-tree.texi: Change file name used when makeinfo used without -o
2699 from ir.info to c-tree.info. Add info directory entry.
2700 * cppinternals.texi: Add info directory entry.
2701 * .cvsignore: Update.
2703 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2705 * c-typeck.c (store_init_value): Don't require constant initializer
2706 elements with -pedantic -std=c99.
2707 (digest_init): Change error about non-constant initializer elements
2709 (constructor_range_end): Remove.
2710 (constructor_incremental, designator_depth,
2711 designator_errorneous): New variables.
2712 (struct constructor_stack): Remove range_end, add incremental.
2713 (struct constructor_range_stack, constructor_range_stack): New.
2714 (struct initializer_stack): Add constructor_range_stack.
2715 (finish_init): Set it.
2716 (start_init): Likewise. require_constant_elements for non-static
2717 trees only if not flag_isoc99.
2718 (really_start_incremental_init): Remove constructor_range_end, add
2719 constructor_incremental.
2720 (pop_init_level): Likewise.
2721 (push_init_level): Likewise. If implicit and the subobject had some
2722 value set already, preinitialize the level with it.
2723 Warn about missing braces only if not pushing due to designators.
2724 (set_designator, push_range_stack): New functions.
2725 (set_init_label): Use them.
2726 (set_init_index): Likewise. Remove constructor_range_end.
2727 Error if designator index is outside of array bounds.
2728 (add_pending_init): Compare values of purpose index trees, not the
2729 trees themselves. Allow overwriting of already initialized element.
2730 Issue a warning if it had side-effects.
2731 (set_nonincremental_init, set_nonincremental_init_from_string): New
2733 (pending_init_member): Rename to...
2734 (find_init_member): ...this function. Call set_nonincremental_init
2735 if necessary. Compare values of purpose index trees, not the trees
2736 themselves. Return the actual value, not just non-zero if something
2738 (output_init_element): Remove checks for duplicates.
2739 If field has zero size, only check the initializer for correctness.
2740 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2741 if constructor_incremental is zero. Change error about initializers
2742 not computable at load time into pedwarn.
2743 (output_pending_init_elements): Compare bit positions, not
2744 FIELD_DECLs to take into account zero-sized fields.
2745 (process_init_element): Use constructor_range_stack to fill all
2746 ranges in the designator lists from current level up.
2747 * extend.texi: Update documentation for labeled elements.
2749 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2751 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2752 to function usage for arguments passed by reference. Optimize
2753 callee-copied arguments.
2754 * regmove.c (replace_in_call_usage): New function.
2755 (fixup_match_1): Call it.
2756 * cse.c (cse_insn): Canonicalize registers in function usage.
2757 * reload1.c (replace_pseudos_in_call_usage): New function.
2760 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2763 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2765 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2768 2001-01-12 DJ Delorie <dj@redhat.com>
2770 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2771 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2774 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2776 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2777 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2778 -std options alongside references to -ansi. Update some
2779 documentation for C99.
2780 * cpp.1: Regenerate.
2782 2001-01-12 Andreas Jaeger <aj@suse.de>
2784 * haifa-sched.c (restore_line_notes): Remove argument block B
2786 * sched-ebb.c (schedule_ebb): Change caller.
2787 * sched-rgn.c (schedule_region): Likewise.
2788 * sched-int.h (restore_line_notes): Adjust prototype.
2790 * loop.h: Remove wrong declaration of doloop_condition_get.
2792 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2794 * extend.texi: Move C++-extension-related node from the C section
2795 into the C++ section.
2797 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2799 * extend.texi: Refer to an array of pointers to functions instead
2800 of one of functions.
2802 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2803 Jan Hubicka <jh@suse.cz>
2805 * combine.c (reversed_comparison): Fix typo in last patch.
2807 (combine_reversed_comparison_code): Make static to follow
2808 prototype declaration.
2810 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2812 * install.texi: Remove misplaced duplicate entry.
2814 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2816 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2818 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2820 * final.c: (leaf_function_p): Fix typo.
2822 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2824 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2825 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2827 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2828 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2829 mmap_anon, and valloc is available.
2830 * ggc-page.c: Restructure ifdef logic to match new autoconf
2831 spec. Don't throw away the test page in init_ggc.
2833 * configure, config.in: Regenerate.
2835 2001-01-12 Michael Hayes <mhayes@redhat.com>
2837 * loop.h (total_biv_increment): Constify iv_class pointer.
2838 (struct induction): Replace `mem_mode' with `mem' rtx.
2839 * unroll.c (total_biv_increment): Constify iv_class pointer.
2840 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2841 (find_mem_givs, combine_givs_p): Likewise.
2842 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2844 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2846 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2848 (__gthread_getspecific): Ditto.
2850 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2852 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2853 put_condition_code): Convert fp comparison codes to integer
2855 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2858 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2859 * i386-protos.h (no_comparison_operator): Kill.
2861 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2863 * combine.c (REVERSIBLE_CC_MODE): Remove.
2864 (reversible_comparison_p): Remove.
2865 (combine_reversed_comparison_code): New.
2866 (reversed_comparison): New.
2867 (combine_simplify_rtx): Use
2868 combine_reversed_comparison_code/reversed_comparison instead
2869 of reversible_comparison_p.
2870 (simplify_if_then_else): Likewise.
2871 (simplify_set): Likewise.
2872 (simplify_logical): Likewise.
2873 (if_then_else_cond): Likewise.
2874 (known_cond): Likewise.
2875 (simplify_comparison): Likewise.
2877 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2879 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2880 sizeof (int) is larger than sizeof(__word__).
2882 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2884 * cppinit.c (do_includes): Fix typo.
2886 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2888 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2889 in S_REGS does not occur because not all sources are possible
2890 when a S_REGS is a destination (sometimes needs a clobber).
2891 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2892 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2893 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2894 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2895 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2896 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2897 (lshrdi_const1, lshrsi3_const16): Likewise.
2898 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2899 (*movhi_68hc12, *movqi_68hc12): Likewise.
2900 (movstrictqi): Make sure reloading in D_REGS as a destination
2903 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2905 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2907 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2909 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2910 -D, -U and -A, and don't initialize the builtins.
2911 (do_includes): Error if -include or -imacros with -fpreprocessed.
2912 * cppmain.c (cb_define, cb_undef): Unconditionally process
2914 * tradcpp.c (main): Fix typo.
2916 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2918 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2919 (read_name_map): Use IS_ABSOLUTE_PATH.
2920 * tradcpp.c (get_filename): Likewise.
2922 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2924 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2925 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2926 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2927 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2928 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2929 (cmphi_z_used): Don't use '@' for the output.
2930 (tstqi_z_used): Likewise.
2931 (cmpqi_z_used): Likewise.
2932 (one_cmplsi2): Likewise.
2934 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2936 * config/sh/sh.c (barrier_align): Recognize branch around far
2937 branch and redundant insn.
2939 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2941 * invoke.texi: Restore documentation of the drivers' switches -MD
2944 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2946 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2948 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2949 check-objc//%): Support parallel testing of multilibs.
2950 (TESTSUITEDIR): Set to testsuite by default, but override for
2952 (check-gcc, check-g++, check-g77, check-objc): Enter
2955 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2957 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2958 * sched-deps.c (deps_may_trap_p): Likewise.
2959 * basic-block.h: Remove a comment.
2960 * flow.c (PROP_POSTRELOAD): Remove.
2961 (update_life_info): Don't add it to prop_flags.
2962 (mark_set_1): Lose the code that was enabled by it.
2964 2001-01-11 Michael Hayes <mhayes@redhat.com>
2966 * flow.c (flow_call_edges_add): New.
2967 * basic_block.h (flow_call_edges_add): New.
2969 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2971 * reload1.c (move2add_note_store): Update reg_set_luid even if
2972 base reg remains the same.
2974 2001-01-10 Nick Clifton <nickc@redhat.com>
2976 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2977 machine_function structure to zero.
2978 Add prototypes for machine_status functions.
2980 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2982 * c-common.h (CTI_VOID_LIST): Remove.
2983 (void_list_node): Likewise.
2984 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2985 (void_list_node): New macro.
2986 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2987 * config/i386/i386.c (ix86_init_builtins): Likewise.
2988 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2990 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2992 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2993 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2995 * tradcpp.c: Include mkdeps.h.
2996 (deps, print_deps_phony_targets, deps_append, output_deps,
2997 init_dependency_output, output_deps): New.
2998 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2999 deps_output): Delete.
3000 (print_deps_missing_files): Rename deps_missing_files.
3001 (inhibit_output): Make global.
3002 (main): Delete inhibit_output, deps_stream, deps_target.
3003 Use mkdeps functionality in the same way as cpplib. Remove
3004 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3005 -M and -MM. Remove old handling of deps via deps_out, and
3006 old reading of environment variables.
3007 (get_filename): Update to use deps_add_dep.
3009 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3011 * output.h (make_function_rtl): Remove prototype.
3012 (make_decl_rtl): Likewise.
3013 * varasm.c (make_function_rtl): Remove.
3014 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3015 than from a third parameter.
3016 * tree.h (make_decl_rtl): Remove last parameter.
3017 * c-decl.c (builtin_function): Remove last argument in call to
3018 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3019 (start_function): Likewise.
3020 * except.c (call_get_eh_context): Likewise.
3021 * expr.c (emit_block_move): Likewise.
3022 (clear_storage): Likewise.
3023 * profile.c (output_func_start_profiler): Likewise.
3024 * toplev.c (rest_of_decl_compilation): Likewise.
3025 * objc/objc-act.c (create_builtin_decl): Likewise.
3026 (synth_module_prologue): Likewise.
3027 (generate_static_reference): Likewise.
3028 (build_selector_reference_decl): Likewise.
3029 (build_class_reference_decl): Likewise.
3030 (build_objc_string_decl): Likewise.
3031 (build_protocol_reference): Likewise.
3033 2001-01-10 Richard Henderson <rth@redhat.com>
3035 * hwint.h: Revert yesterday's change.
3037 2001-01-10 Nick Clifton <nickc@redhat.com>
3039 * function.h (save_machine_status): Delete.
3040 (restore_machine_status): Delete.
3041 Amend comment describing {init|mark|free}_machine_status.
3043 * function.c (save_machine_status): Delete.
3044 (restore_machine_status): Delete.
3045 Amend comment describing {init|mark|free}_machine_status.
3046 (push_function_context_to): Remove invocation of
3047 save_machine_status.
3048 (pop_function_context_from): Remove invocation of
3049 restore_machine_status.
3051 * emit-rtl.c (init_emit_once): Amend comment describing
3052 {init|mark|free}_machine_status.
3054 * tm.texi (Per-Function Data): New node. Describe the
3055 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3058 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3060 * cppinit.c (OPT_g): Remove.
3061 (cpp_handle_option): Update for removed -g3.
3062 (print_help): Update.
3063 * cpplib.h (struct cpp_options): Remove debug_output.
3064 * cppmain.c (setup_callbacks, cb_define): Update.
3065 * gcc.c (cpp_options): Translate -g3 to -dD.
3067 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3069 * config/i960/i960.md: Change modifier to + on the zero_extract
3070 pattern after the (rotate -2 reg) canonicalization pattern.
3072 2001-01-10 Richard Henderson <rth@redhat.com>
3074 * config/alpha/alpha.c (alpha_free_machine_status): New.
3075 (override_options): Install it.
3076 (alpha_mark_machine_status): Verify machine non-null.
3077 * config/i386/i386.c (ix86_free_machine_status): New.
3078 (override_options): Install it.
3079 (ix86_init_machine_status): Use xcalloc.
3080 (ix86_mark_machine_status): Verify machine non-null.
3081 * config/ia64/ia64.c (ia64_free_machine_status): New.
3082 (ia64_override_options): Install it.
3083 (ia64_mark_machine_status): Verify machine non-null.
3085 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3087 * function.c (instantiate_virtual_regs): Instantiate virtual
3088 registers found in CALL_INSN_FUNCTION_USAGE.
3090 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3092 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3093 equivalent to -ansi in disabling -Di386.
3095 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3097 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3099 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3101 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3103 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3105 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3107 * invoke.texi: Document that -fcond-mismatch isn't supported for
3110 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3112 * gcc.texi: Define macro gcctabopt.
3113 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3114 @command, @env and @option in some places where appropriate. Use
3115 @gcctabopt where appropriate. Put URLs and email addresses inside
3118 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3120 * gcc.c (cpp_options): Set MD file name from output
3121 filename, if specified.
3122 (suffix_subst): New static variable.
3123 (do_spec): Clear it.
3124 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3126 (give_switch): Handle suffix_subst.
3128 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3130 * invoke.texi: Fix another typo.
3132 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3134 * invoke.texi: Fix typo.
3136 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3138 * c-lang.c (lang_hooks): Update.
3139 (lang_decode_option): Remove.
3140 (lang_init_options): Rename c_init_options.
3141 * toplev.c (main): Use lang_hooks for lang_init_options
3142 and lang_decode_option.
3143 * toplev.h (lang_hooks): Add 2 new hooks.
3144 * tree.h: Remove lang_init_options and lang_decode_option.
3145 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3146 * cp/decl2.c: Similarly.
3147 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3148 (lang_hooks): Update.
3149 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3151 (lang_init_options): Rename ffe_init_options.
3152 (lang_hooks): Update.
3153 (lang_decode_option): Remove.
3154 * java/lang.c (lang_init_options): Rename java_init_options.
3155 (lang_decode_option): Rename java_decode_option.
3156 (lang_hooks): Update.
3157 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3158 (lang_decode_option): Rename objc_decode_option.
3159 (lang_hooks): Update.
3161 2001-01-09 Nick Clifton <nickc@redhat.com>
3163 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3164 (d30v_return_addr_rtx): Delete.
3165 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3166 cfun->machine structure.
3167 (struct machine_function): Move to d30v.h
3168 (d30v_save_machine_status): Delete.
3169 (d30v_restore_machine_status): Delete.
3170 (d30v_init_machine_status): New Function.
3171 (d30v_mark_machine_status): New Function.
3172 (d30v_free_machine_status): New Function.
3173 (d30v_init_expanders): Use new functions.
3174 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3175 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3176 d30v_return_addr_rtx.
3178 * config/d30v/d30v.h (struct_machine): Move here.
3179 Add eh_epilogue_sp_ofs field.
3181 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3182 field in cfun->machine structure.
3184 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3186 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3187 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3188 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3190 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3192 * objc/lang-options.h: Remove bogus reference to
3195 2001-01-09 Kazu Hirata <kazu@hxi.com>
3197 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3200 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3202 * reload.c (find_reloads_address): Check for eliminable registers
3203 when substituting a constant expression for a pseudo.
3205 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3207 * c-common.c (enum format_type): Add format_type_error.
3208 (decode_format_type): New function.
3209 (decl_attributes): Use it.
3210 (format_kind_info): Adjust comment.
3212 2001-01-09 David O'Brien <obrien@BSDi.com>
3214 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3215 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3217 * config/i386/gnu.h: Don't include required platform specific .h files,
3218 tm.h will do it instead.
3219 * config/i386/i386elf.h: Likewise.
3220 * config/i386/linux.h: Likewise.
3221 * config/i386/moss.h: Likewise.
3222 * config/mips/gnu.h: Likewise.
3224 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3226 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3227 (rs6000-ibm-aix3.[01]*): Likewise.
3228 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3229 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3230 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3231 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3232 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3233 (powerpc-*-eabiaix*): Likewise.
3234 (powerpc-*-eabisim*): Likewise.
3235 (powerpc-*-elf*): Likewise.
3236 (powerpc-*-eabi*): Likewise.
3237 (powerpc-*-rtems*): Likewise.
3238 (powerpc-*-linux*libc1): Likewise.
3239 (powerpc-*-linux*): Likewise.
3240 (powerpc-wrs-vxworks*): Likewise.
3241 (powerpcle-wrs-vxworks*): Likewise.
3242 (powerpcle-*-sysv*): Likewise.
3243 (powerpcle-*-elf*): Likewise.
3244 (powerpcle-*-eabisim*): Likewise.
3245 (powerpcle-*-eabi*): Likewise.
3246 (powerpcle-*-solaris2*): Likewise.
3247 * config/rs6000/aix31.h: Delete includes.
3248 * config/rs6000/aix3newas.h: Likewise.
3249 * config/rs6000/aix41.h: Likewise.
3250 * config/rs6000/aix43.h: Likewise.
3251 * config/rs6000/beos.h: Likewise.
3252 * config/rs6000/rtems.h: Likewise.
3253 * config/rs6000/sysv4.h: Likewise.
3255 2001-01-09 Kazu Hirata <kazu@hxi.com>
3257 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3258 Change an argument mode of machine_mode to shift_mode of
3259 shift_mode. Remove an extra error check.
3260 (emit_a_shift): Adopt to the new calling prototype of
3262 (function_prologue): Fix code for a monitor
3263 function. Support H8/S.
3264 (function_epilogue): Do not output pop for a monitor function.
3266 2001-01-09 Nick Clifton <nickc@redhat.com>
3268 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3269 (setup_incoming_varargs): Use sysv_varargs_p field of the
3270 cfun->machine structure.
3271 (struct machine_function): Move to rs6000.h
3272 (rs6000_save_machine_status): Delete.
3273 (rs6000_restore_machine_status): Delete.
3274 (rs6000_init_machine_status): New Function.
3275 (rs6000_free_machine_status): New Function.
3276 (rs6000_init_expanders): Use new functions.
3278 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3280 (struct machine_function): Move here.
3282 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3283 sysv_varargs_p field of the cfun->machine structure.
3285 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3287 (rs6000_restore_machine_status): Remove prototype.
3289 2001-01-09 Richard Henderson <rth@redhat.com>
3291 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3292 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3293 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3294 (sched_analyze_2, sched_analyze_insn): Likewise.
3295 (sched_analyze, init_deps): Likewise.
3296 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3297 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3298 (compute_block_backward_dependences): Update propagate_deps call.
3300 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3302 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3304 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3306 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3307 (cpp_handle_option): Handle them.
3308 (cpp_post_options): Ensure one of -M or -MM is specified with
3309 any other -M? option.
3310 (init_dependency_output): Suppress output with -MG.
3312 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3315 * invoke.texi: Update.
3317 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3319 * sh.md (reload_outsf): Generate recognizable patterns for
3322 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3324 * c-lang.c (lang_hooks): Update.
3325 (lang_init): Rename c_init.
3326 (lang_finish): Remove.
3327 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3329 * toplev.h (lang_hooks): Add init () and finish ().
3330 * tree.h (lang_init, lang_finish): Remove.
3331 * cp/tree.h (lang_init, lang_finish): Remove.
3332 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3333 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3335 (lang_init, lang_finish): Remove.
3336 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3337 (lang_hooks): Update.
3338 * java/lang.c (lang_init): Rename java_init.
3339 (lang_finish): Remove.
3340 (lang_hooks): Update.
3341 * objc/objc-act.c (lang_init): Rename objc_init.
3342 (lang_finish): Remove.
3343 (lang_hoooks): Update.
3345 20001-01-09 Graham Stott <grahams@redhat.com>
3347 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3348 after `ptr` is initialised.
3350 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3352 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3353 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3354 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3355 stack adjusts, instead of r3.
3357 2001-01-09 Michael Hayes <mhayes@redhat.com>
3359 * flow.c (flow_loop_scan): Break out of ...
3360 (flow_loops_find) ... here.
3361 * basic-block.h (flow_loop_scan): New.
3362 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3363 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3365 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3367 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3369 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3370 realloc()ing macro_buffer.
3372 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3373 if it's wider than long and the target's long is wider than the
3376 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3378 Remove support for using UWIN as a host machine.
3379 * configure.in: Issue an error message.
3380 * configure: Regenerated.
3381 * config.gcc: Remove xm_* UWIN configury.
3382 * config/i386/xm-uwin.h: Remove.
3384 2001-01-08 Nick Clifton <nickc@redhat.com>
3386 * config/v850/v850.c (ra_rtx): Delete.
3387 (v850_save_machine_status): Delete.
3388 (v850_restore_machine_status): Delete.
3389 (v850_init_machine_status): New function.
3390 (v850_mark_machine_status): New function.
3391 (v850_free_machine_status): New function.
3392 (v850_return_addr): Use ra_rtx field in machine structure.
3393 (v850_init_expanders): Use new functions.
3395 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3396 * config/v850/v850.c: Change arguments to v850_output+* functions
3397 to take a const char *, to avoid compile time warning.
3398 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3399 (USER_LABEL_PREFIX): Redefine.
3401 2000-01-08 Jim Wilson <wilson@redhat.com>
3403 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3404 1 to unsigned HOST_WIDE_INT before left shift.
3406 2001-01-08 Nick Clifton <nickc@redhat.com>
3408 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3409 the machine structure has been allocated.
3410 (arm_free_machine_status): New function: Free the machine
3411 specific function structure.
3413 2001-01-08 Richard Henderson <rth@redhat.com>
3415 * jump.c (simplejump_p): Revert last change.
3417 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3419 * cppinit.c (init): Rename init_library.
3420 (cpp_create_reader): Update.
3421 * gcc.c (cpp_options): If -o given, use it as the target of
3424 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3426 * arm.c (arm_arch5e): New variable.
3427 (all_cores): XScale is a 5TE device.
3428 (arm_override_options): Set arm_arch5e.
3429 (arm_init_builtins): __builtin_prefetch is in arch5e.
3430 * arm.h (arm_arch5e): Declare it.
3432 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3434 * arm.md (define_constants): Add defines for UNSPEC and
3435 UNSPEC_VOLATILE insns. Update all users.
3436 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3437 * arm.c (multi_register_push, note_invalid_constants)
3438 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3439 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3440 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3442 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3444 * jump.c (jump_optimize_1): Use reversed_comparison_code
3445 instead of can_reverse_comparison_p.
3446 (jump_back_p): Likewise.
3447 (invert_exp_1): Likewise.
3448 (thread_jumps): Likewise.
3449 * simplify-rtx.c (simplify_unary_operation): Likewise.
3450 (simplify_ternary_operation): Likewise.
3451 * cse.c (find_comparison_args): Convert to use
3452 can_reverse_comparison_p.
3453 (record_jump_equiv): Likewise.
3455 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3457 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3458 (EPILOGUE_USES): Define.
3459 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3460 automatically stack the LR if it isn't live.
3462 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3464 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3467 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3469 * ggc-page.c (max_alignment): New structure.
3470 (MAX_ALIGNMENT): New macro.
3471 (init_ggc): Use it to round up the sizes in the
3472 extra_order_size_table.
3474 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3476 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3479 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3481 * builtins.def (BUILT_IN_FPRINTF): New entry.
3483 * c-common.c (c_expand_builtin_fprintf): New function.
3484 (init_function_format_info): Handle __builtin_fprintf.
3485 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3486 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3488 * c-decl.c (duplicate_decls): Adjust comment.
3490 * extend.texi (fprintf): Document new builtin.
3492 2001-01-07 Richard Henderson <rth@redhat.com>
3494 * jump.c (simplejump_p): Recognize any single_set jump
3497 2001-01-07 Richard Henderson <rth@redhat.com>
3499 * configure.in (slibdir): Accept an --with-slibdir option.
3500 Use "test" not "[" in configure. Default to $(libdir).
3502 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3504 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3505 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3506 (SHLIB_LINK): Create links for the soname.
3507 * config/mips/t-iris6: Likewise.
3508 * config/sparc/t-slibgcc: Likewise.
3509 * config/sparc/t-slibgcc-sld: Likewise.
3511 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3513 * config/i386/i386.c (constant_call_address_operand): Accept
3514 (const (plus (symbol_ref) (const_int))).
3515 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3516 constant_call_address_operand.
3518 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3520 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3521 and LONG_LONG_TYPE_SIZE > 32.
3523 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3525 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3526 the previous change.
3528 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3530 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3532 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3533 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3534 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3537 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3539 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3541 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3543 * c-lang.c (c_post_options): Call cpp_post_options.
3544 * objc/objc-act.c (objc_post_options): Similarly.
3545 * cppmain.c (main): Similarly.
3546 * fix-header.c (read_scan_file): Similarly.
3547 * cppinit.c (cpp_start_read): Move option consistency checks
3548 to cpp_post_options. Don't call init_dependency_output.
3549 If needed, add default target and main file dependency.
3550 (OPT_MD, OPT_MMD): Remove.
3552 (cpp_handle_option): Update for OPT_* changes.
3553 (cpp_post_options): New.
3554 (init_dependency_output): Command line -MF overrides environment
3555 variables. Don't set default target etc. Suppress output
3556 if dependencies are going to stdout.
3557 (print_help): Update.
3558 * cpplib.h (cpp_post_options): New.
3559 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3561 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3563 * jump.c (comparison_dominates_p): Support unordered compares.
3565 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3567 * simplify-rtx.c (simplify_relational_operation): Always simplify
3568 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3571 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3573 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3574 (nonzero_bits): Likewise.
3575 (simplify_comparison): Likewise.
3576 (num_sign_bit_copies): Likewise; return more sane value depending
3577 on STORE_FLAG_VALUE.
3578 (known_cond): Do not assume EQ to be always true for equivalent
3581 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3583 * cse.c (fold_rtx): Handle unordered comparisons.
3585 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3587 * rtlanal.c (set_of_1): New static function.
3588 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3589 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3590 reg_set_last_last_regno): Remove.
3591 (set_of): New global function.
3592 (set_of_data): New structure.
3593 (reg_set_p, reg_set_last): Revamp for set_of.
3594 * rtl.h (set_of): New.
3596 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3598 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3599 * extend.texi: Document _Exit builtin.
3601 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3603 * (initialize, initialize_builtins,
3604 initialize_dependency_output, initialize_standard_includes):
3605 Rename s/initialize/init. Update.
3606 (init_dependency_output): Move to after
3607 cpp_handle_options, the correct location temporally at least.
3608 (opt_comp): Move next to init (), its caller. Fix prototype.
3609 (init): Make "initialized" local scope.
3610 (cpp_create_reader): Always call init ().
3611 (cpp_start_read): Update.
3612 (output_deps): New function, broken out of cpp_finish.
3613 (cpp_finish): Break out output_deps.
3615 2001-01-07 Richard Henderson <rth@redhat.com>
3617 * collect2.c (COFF specific stuff): Revert 12-06 patch
3618 to prototype system functions.
3620 2001-01-07 Michael Hayes <mhayes@redhat.com>
3622 * hard-reg-set.h: Add multiple include guard.
3623 * basic-block.h (struct loop): Add `sink' field.
3624 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3625 (emit_iv_add_mult): Delete.
3626 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3627 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3628 (unroll_loop): Remove end_insert_before argument.
3629 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3630 (maybe_eliminate_biv_1): Likewise.
3631 (emit_iv_add_mult): Delete.
3632 (gen_add_mult, loop_regs_update): New.
3633 (loop_insn_emit_after, loop_insn_emit_before): New.
3634 (loop_insn_sink, loop_insn_sink_or_swim): New.
3635 (emit_iv_add_mult): Delete.
3636 (scan_loop): Set loop->sink.
3637 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3638 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3639 (maybe_eliminate_biv_1): Likewise.
3640 (maybe_eliminate_biv_1): Add basic block argument.
3641 * unroll.c (unroll_loop): Remove end_insert_before argument.
3642 (find_splittable_regs): Likewise.
3643 (find_splittable_regs): Use loop_insn_sink and its ilk.
3644 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3646 2001-01-07 Michael Hayes <mhayes@redhat.com>
3648 * loop.h (loop_insn_hoist): New prototype.
3649 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3650 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3651 (check_dbra_loop, load_mems): Likewise.
3652 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3653 (find_splittable_givs): Likewise.
3655 2001-01-07 Michael Hayes <mhayes@redhat.com>
3657 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3659 2001-01-07 Richard Henderson <rth@redhat.com>
3661 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3663 2001-01-07 Richard Henderson <rth@redhat.com>
3665 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3666 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3667 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3668 variant that handles a shared libgcc.
3669 (process_command): Always validate -{static,shared}-libgcc.
3670 (do_spec_1): New 'M' case.
3671 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3673 2001-01-07 Richard Henderson <rth@redhat.com>
3675 * Makefile.in (slibdir): New variable.
3676 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3677 (installdirs): Create slibdir.
3678 (install-libgcc, install-multilib): Defer to libgcc.mk.
3679 * configure.in (slibdir): Substitute.
3680 * mklibgcc.in (install): New target.
3682 * config/t-linux (SHLIB_LINK): Create links for the soname.
3683 (SHLIB_INSTALL): New.
3684 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3685 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3686 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3687 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3688 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3690 2001-01-07 Richard Henderson <rth@redhat.com>
3692 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3693 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3694 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3696 2001-01-07 Michael Hayes <mhayes@redhat.com>
3698 * loop.c (count_loop_regs_set): Delete.
3699 (load_mems_and_recount_loop_regs_set): Delete.
3700 (loop_regs_scan): Merge common code from count_loop_regs_set,
3701 scan_loop, and load_mems_and_recount_loop_regs_set.
3702 (scan_loop): Call load_mems directly and loop_regs_scan
3703 again if new registers created.
3705 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3707 * toplev.c (main): Call the front-end specific post_options
3708 hook if one is given.
3709 * toplev.h (struct_lang_hooks, lang_hooks): New.
3710 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3711 for the C front end.
3712 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3713 lang_hooks for the C++ front end.
3714 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3715 lang_hooks for the ObjC front end.
3716 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3717 * java/lang.c (lang_hooks): Hooks for the Java front end.
3719 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3721 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3722 for verbose DWARF[2] debugging.
3723 (cb_define, cb_undef): The new callbacks.
3724 * toplev.h (debug_define, debug_undef): Make const correct.
3725 * toplev.c (debug_define, debug_undef): Similarly. Do not
3726 perform the verbosity tests here anymore.
3728 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3730 * reload.c (subst_reloads): Take INSN argument. When
3731 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3732 * reload.h (subst_reloads): Adjust prototype.
3733 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3734 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3735 present in JUMP_INSNs and copy them to JUMP_LABEL.
3736 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3737 JUMP_INSNs and insns with REG_LABELs that are followed by
3738 JUMP_INSNs with the same REG_LABEL.
3739 * sched-rgn.c (is_cfg_nonregular): Likewise.
3740 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3742 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3744 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3746 2001-01-06 Richard Henderson <rth@redhat.com>
3748 * loop.c (scan_loop): Use xcalloc for the regs array.
3749 (load_mems_and_recount_loop_regs_set): Zero the new memory
3750 received from xrealloc.
3752 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3754 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3756 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3758 * integrate.c (copy_rtx_and_substitute): When copying
3759 an ignored return value, strip REG_FUNCTION_VALUE_P.
3761 2001-01-06 Michael Hayes <mhayes@redhat.com>
3763 * loop.c (debug_biv, debug_giv): New.
3764 (loop_biv_dump): Break out from ...
3765 (record_biv): ... here.
3766 (loop_giv_dump): Break out from ...
3767 (record_giv): ... here.
3768 (loop_bivs_check): Use print_simple_rtl.
3769 * unroll.c (loop_iterations): Use print_simple_rtl.
3771 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3773 * pa.md (return, return_internal): Modify patterns to prevent regrename
3774 mucking with the return pointer.
3776 2001-01-05 Richard Henderson <rth@redhat.com>
3778 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3780 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3782 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3783 version supplied by Matteo Frigo.
3785 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3787 * cpp.texi: Update for -MQ.
3788 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3789 (cpp_cleanup): Always free pfile->deps.
3790 (initialize_dependency_output): Don't create pfile->deps.
3791 (cpp_handle_option): Similarly.
3793 * gcc.c (cpp_options): Handle -MQ.
3794 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3795 * mkdeps.c (base_name): Remove.
3796 (deps_init): Don't allocate vector space until it's needed.
3797 (deps_free): Only free vectors if allocated.
3798 (deps_add_target, deps_add_dep): Update for initial allocation.
3799 (deps_add_default_target): Don't strip to the base_name.
3801 2001-01-05 DJ Delorie <dj@redhat.com>
3803 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3804 (INIT_EXPANDERS): Define.
3806 * config/v850/v850.c (struct machine_function): Define.
3807 (v850_save_machine_status): New function.
3808 (v850_restore_machine_status): New function.
3809 (v850_return_addr): New function.
3810 (v850_init_expanders): New function.
3812 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3813 and v850_init_expanders.
3815 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3817 * cpplib.h (struct cpp_reader): Add help_only field.
3818 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3819 (cpp_handle_option): Set pfile->help_only if we see -h,
3820 --help, -target-help, or --version. Print version string but
3821 do not set help_only if we see -v or -version. Make text
3822 printed by -v match that printed by (-)-version.
3824 * cppmain.c (main): Exit after option parsing if
3825 pfile->help_only is true.
3827 * toplev.c (independent_decode_option): Call print_version,
3828 then exit, if we see --version (but not -version).
3829 (print_version): Split lengthy message into two lines.
3831 2001-01-05 Nick Clifton <nickc@redhat.com>
3833 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3834 temporary string for initialisation before calling ggc_alloc_string.
3836 2001-01-06 Michael Hayes <mhayes@redhat.com>
3838 * rtl.h (print_simple_rtl): New.
3839 * print-rtl.c (print_simple_rtl): New.
3841 (print_rtx): Disable printing of flags and modes, etc.,
3842 if `flag_simple` nonzero.
3844 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3846 * function.c (fixup_var_refs): Use push_to_full_sequence where
3849 2001-01-05 Michael Meissner <meissner@redhat.com>
3851 * flags.h (flag_reorder_blocks): Add declaration.
3852 (flag_rename_block): Ditto.
3854 2001-01-05 DJ Delorie <dj@redhat.com>
3856 * function.c (reorder_blocks): Make sure the flags are all reset
3857 before using them to mark blocks, else a second invocation will
3858 corrupt the block chain.
3859 (reorder_blocks_0): New, resets the flags.
3861 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3863 * cse.c (find_comparison_args): Stop if the argument is known to
3866 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3868 * config/sh/sh.md (movdf): When splitting load into pair of
3869 registers, don't clobber the register used in the address too
3872 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3874 * varasm.c (mark_constant_pool): Improve initial comments.
3875 (mark_constants): Move marking of constants to mark_constant.
3876 (mark_constant): New function to recursively mark all constants
3877 referred to by a constant.
3879 2001-01-05 Catherine Moore <clm@redhat.com>
3881 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3883 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3885 * cp/lang-options.h: Bring comment in line with reality.
3886 * f/lang-options.h: Likewise.
3887 * java/lang-options.h: Likewise.
3888 * objc/lang-options.h: Likewise.
3889 * ch/lang-options.h: Likewise.
3890 * f/g77.texi: And update the manual.
3892 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3893 Denis Chertykov <denisc@overta.ru>
3895 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3896 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3897 * config/avr/avr.md (all peepholes that request a scratch register):
3898 Call it, FAIL the peephole if not safe (in interrupt functions).
3900 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3902 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3904 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3906 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3908 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3909 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3910 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3911 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3912 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3914 * extend.texi: Document these builtins.
3916 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3918 * c-common.c (lang_get_alias_set): Say we know nothing of
3919 VECTOR_TYPE aliasing.
3921 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3923 2001-01-05 Bruce Korb <bkorb@gnu.org>
3925 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3926 their x* equivalent versions for atexit-less systems
3927 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3928 systems (or any other system any more).
3930 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3932 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3933 output operands. Use arm_hard_register_operand for operand 4.
3934 (stmsi_postinc): Similarly.
3935 (ldmsi): Use arm_hard_register_operand for opernand 2.
3937 * arm.c (arm_hard_register_operand): New function.
3938 * arm-protos.h (arm_hard_register_operand): Prototype it.
3940 * arm.h (HARD_REGNO_RENAME_OK): Define.
3942 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3944 * simplify-rtx.c (cfc_args): add "unordered" field.
3945 (check_fold_consts): Set unordered field.
3946 (simplify_relational_operation): Simplify the unordered
3949 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3952 * emit-rtl.c (try_split): Fix code to mark labels.
3953 * jump.c (mark_jump_label): Make global.
3954 * rtl.h (mark_jump_label): Declare.
3956 * predict.c (estimate_probability): Handle unordred comparisons.
3958 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3960 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3961 * cppinit.c (initialize_dependency_output): Update.
3962 (cpp_finish): Output dummy targets for -MP.
3964 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3965 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3966 * gcc.c (cpp_options): Update to handle -MP.
3967 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3968 to quote only the default target.
3969 (deps_phony_targets): Insert a preceding newline. Rename from
3970 deps_dummy_targets for consistency.
3973 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3975 * calls.c (emit_library_call_value_1): Support
3976 INIT_CUMULATIVE_LIBCALL_ARGS.
3977 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3979 2001-01-04 Richard Henderson <rth@redhat.com>
3981 * c-decl.c (finish_struct): Detect flexible array members
3982 used in an inappropriate context.
3983 * c-typeck.c (really_start_incremental_init): Special case
3984 constructor_max_index for zero length arrays.
3985 (pop_init_level): Allow initialization of flexible array
3986 members. Deprecate initialization of zero length arrays.
3987 Don't issue missing initializer warning for flexible array
3988 members or zero length arrays.
3989 (process_init_element): Don't dereference null DECL_SIZE.
3990 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3991 Don't abort for empty constructors. Use size_binop
3992 (output_constructor): Add commentary regarding zero length
3993 array futures. Abort if we try to initialize an array of
3994 unspecified length with a non-empty constructor in the middle
3997 * extend.texi (Zero Length): Update and clarify documentation
3998 on static initialization.
4000 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4002 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4003 with more than 32767 words of local storage.
4005 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4007 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4008 for 'abs', 'labs', and 'fabs'.
4009 (c4x_expand_builtin): Likewise.
4010 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4012 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4014 * config/sh/sh.md (prget, prset): New insn types.
4015 (return delay slot): Dont' allow prset.
4016 (call, sfunc delay slot): Don't allow prget.
4017 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4018 for prset and prget.
4020 2001-01-05 Michael Hayes <mhayes@redhat.com>
4022 * loop.h (struct loop_reg): New.
4023 (struct loop_regs): Change to use array of `struct loop_reg'.
4024 * loop.c: Replace assortment of varrays with single regs array.
4025 (count_one_set): Delete may_not_move array argument
4026 and use regs array instead. All caller's changed.
4027 (count_loop_regs_set): Delete may_not_move and single_usage
4028 arguments and use regs array instead. All caller's changed.
4029 (find_single_use_in_loop): Replace usage array argument with pointer
4030 to regs structure. All caller's changed.
4031 (loop_optimize): Delete `moved_once' array.
4033 2001-01-05 Michael Hayes <mhayes@redhat.com>
4035 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4036 Use it instead of loop_info->has_call for scanning loop mems.
4037 (check_dbra_loop): Replace loop_info->has_call test with
4038 loop_info->has_nonconst_call.
4040 2000-01-04 Matthew Hiller <hiller@redhat.com>
4042 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4045 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4047 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4048 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4050 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4052 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4053 (flag_short_double, flag_short_wchar): Define.
4054 (c_common_nodes_and_builtins): Create many tree nodes shared
4055 between C and C++ here instead of in cp/decl.c and ...
4056 * c-decl.c (init_decl_processing): ... here.
4057 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4058 (flag_short_double, flag_short_wchar): Don't define.
4059 (record_builtin_type): New function.
4060 (build_void_list_node): New function.
4061 * c-common.h (flag_short_double, flag_short_wchar,
4062 record_builtin_type, build_void_list_node): Declare.
4064 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4066 * integrate.c (expand_inline_function): Don't put a virtual
4067 register into the reg map.
4069 * function.c (fixup_var_refs_1): If force_operand didn't put
4070 the address into the target, move it there.
4072 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4074 Special-case tree_decl/tree_list allocations.
4075 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4076 (OBJECT_SIZE): New macro.
4077 (NUM_EXTRA_ORDER): Likewise.
4078 (extra_order_size_table): New variable.
4079 (NUM_ORDERS): New macro.
4080 (objects_per_page_table): New variable.
4081 (object_size_table): New variable.
4082 (G.pages): Use NUM_ORDERS to bound the array.
4083 (G.page_tails): Likewise.
4084 (DIV_ROUND_UP): Remove.
4085 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4086 (alloc_page): Use OBJECT_SIZE.
4087 (size_lookup): Don't make it const.
4088 (ggc_alloc): Use OBJECT_SIZE.
4089 (ggc_set_mark): Likewise.
4090 (ggc_get_size): Likewise.
4091 (init_ggc): Set up the object_size_table, objects_per_page_table,
4092 and adjust size_lookup.
4093 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4094 (ggc_pop_context): Use NUM_ORDERS.
4095 (clear_marks): Likewise.
4096 (sweep_pages): Likewise.
4097 (poison_pages): Likewise.
4098 (ggc_print_statistics): Use OBJECT_SIZE.
4100 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4102 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4103 Only call array_size_for_constructor if last field and array type
4104 with no upper bound.
4106 2001-01-04 Philip Blundell <philb@gnu.org>
4108 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4109 from bit 31 downwards, if this requires no more insns.
4110 (count_insns_for_constant): New helper function for above.
4112 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4114 * gencodes.c (output_predicate_decls): Remove empty initializer.
4116 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4118 * tree.c (copy_node): Remove documentation about obstacks.
4119 (buidl1): Check that nobody tries to build 2-argument nodes this
4122 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4127 * gencodes.c (output_predicate_decls): Fill empty initializer
4130 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4132 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4133 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4135 (do_include): Handle missing headers like cpp0.
4136 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4137 paths with first include pathname. Don't strcat to uninitialized
4140 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4142 * regrename.c (regrename_optimize): Don't rename from frame pointer
4143 if frame_pointer_needed.
4144 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4145 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4146 (ia64_reorg): Use it instead of scheduling if ! optimize.
4147 (errata_emit_nops): Properly call asm_noperands.
4148 (ia64_sched_reorder): Finish cycle if we see an asm.
4149 (ia64_variable_issue): Clear scheduling state after asms.
4151 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4153 * cpp.texi: Update for -MT.
4154 * cppinit.c (initialize_dependency_output): Add a default
4155 target if none has been given already.
4156 (no_tgt, OPT_MT): New.
4157 (cpp_handle_option): Handle -MT. Update -M etc.
4158 * cpplib.h (struct cpp_options): Remove deps_target.
4159 * gcc.c (cpp_options): Handle -MT.
4160 * mkdeps.c (struct deps): Move from mkdeps.h.
4161 (deps_calc_target): Rename deps_add_default_target. Add a
4162 default target if none has been specified already.
4163 * mkdeps.h (struct deps): Move to mkdeps.c.
4164 (deps_calc_target): Rename deps_add_default_target.
4166 2000-01-03 Richard Henderson <rth@redhat.com>
4168 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4170 * c-typeck.c (push_init_level): Move checks for flexible array
4171 members and zero length arrays ...
4172 (pop_init_level): ... here. Silently discard empty initializations.
4174 * varasm.c (output_constructor): Update for sizeof change to
4177 * extend.texi (Zero Length): Clarify semantics.
4179 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4181 * configure.in (tm.h): Include isns-codes.h last.
4182 * configure: Rebuilt.
4184 2001-01-03 Richard Henderson <rth@redhat.com>
4186 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4187 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4189 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4191 * tradcpp.c (main): Make sure finclude() is called with a valid
4192 indepth value while handling -include.
4194 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4196 * gencodes.c (output_predicate_decls): New function.
4198 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4199 even if it is not the first time machmode.h is #included.
4200 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4201 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4202 * gcc.texi (Copyright): Added 2001.
4204 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4206 * c-common.c (c_common_lang_init): New function. Warn if format
4207 warning options which only have effects when used with -Wformat
4208 are used without -Wformat.
4209 * c-common.h (c_common_lang_init): Declare.
4210 * c-lang.c (lang_init): Call c_common_lang_init.
4211 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4213 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4215 * configure.in: Check for the mktemp command.
4216 * configure: Regenerate.
4217 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4218 $TEMP. Create temporary files with mktemp, if available at
4219 configure time; otherwise use set -C. Remove temporary files
4222 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4224 * configure.in: Require at least texinfo 4.0. Check for whether
4225 Pod::Man is sufficiently recent to regenerate GCC manpages.
4226 * configure: Regenerate.
4227 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4229 (GENERATED_MANPAGES): Define.
4230 (generated-manpages): New target. Depend on cpp.1 as well as
4232 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4233 configure to generated-manpages or empty) rather than on the
4234 manpages directly. Remove execute permission from installed
4235 gcov.1 as well as cpp.1.
4236 * cpp.1, gcov.1: Regenerate.
4238 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4240 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4241 tree_low_cst. Allow using cmpstrsi in more cases.
4243 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4245 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4248 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4250 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4251 * Makefile.in (HOST_CFLAGS): Mention build-make.
4253 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4255 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4258 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4260 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4263 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4266 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4267 reg_base_value and reg_known_value arrays.
4268 (init_alias_analysis): Add more cases to detect known values.
4269 * sched-deps.c (deps_may_trap_p): New function.
4270 (sched_analyze_2): Use it.
4272 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4274 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4275 don't discard an ASHIFTRT if we're shifting in a wider mode.
4277 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4279 * toplev.c (rest_of_compilation): Don't print basic block information
4280 when CFG isn't up to date.
4282 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4284 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4285 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4286 (UNALIGNED_SHORT_ASM_OP): Define.
4287 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4289 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4291 * fold-const.c (fold_convert): Fix typo.
4293 2001-01-02 Richard Henderson <rth@redhat.com>
4295 * c-common.h (ASM_INPUT_P): New.
4296 * c-parse.in (asm): Set it when needed.
4297 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4298 existance of an operand.
4300 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4302 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4303 (dwarf2out_frame_debug_expr): Likewise.
4304 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4306 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4308 * i386.c (ix86_split_to_parts): Return number of part required;
4310 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4312 (ix86_split_long_move): Use number of part returned
4313 by ix86_split_to_parts
4314 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4316 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4317 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4318 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4319 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4320 (ALIGN_MODE_128): Add TFmode.
4321 (IS_STACK_MODE): Likewise.
4322 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4323 (HARD_REGNO_OK): Support TFmodes.
4324 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4325 * i386.md (scheduler definitions): Use memory operand to determine
4326 fst/fld instructions; use mode attribute to determine real mode of
4328 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4329 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4331 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4333 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4335 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4337 * expr.c (store_constructor_field): Update ALIGN before calling
4340 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4342 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4345 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4347 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4350 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4352 * c-decl.c (start_function): Don't warn on third parameter to main.
4354 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * tsystem.h: Define HAVE_DECL_GETOPT.
4358 2001-01-02 Philip Blundell <pb@futuretv.com>
4360 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4363 2001-01-02 Richard Henderson <rth@redhat.com>
4365 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4367 2001-01-02 Andreas Jaeger <aj@suse.de>
4369 * c-decl.c (c_decode_option): Remove support of
4372 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4373 (W_options): Add -Wmissing-noreturn here.
4375 * flow.c: Define lang_missing_noreturn_ok_p.
4376 (check_function_return_warnings): Use it.
4378 * c-common.h: Declare lang_missing_noreturn_ok_p.
4380 * c-lang.c (c_missing_noreturn_ok_p): New function.
4381 (lang_init): Set lang_missing_noreturn_ok_p.
4383 * invoke.texi (Warning Options): Document this.
4385 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4387 * extend.texi (C++ Extensions): New node for C++ attributes;
4388 describe init_priority and com_interface.
4389 * invoke.texi: Remove -finit-priority as it now has zero effect.
4390 * install.texi: Fix xref syntax.
4391 * md.texi: Likewise.
4393 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4395 * config.gcc (sparc64-wrs-vxworks*): New case.
4396 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4398 * config/sparc/sparc.c (sparc_override_options): Do support different
4399 pointer and architecture size.
4400 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4401 (POINTERS_EXTEND_UNSIGNED): Define.
4402 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4403 (FUNCTION_MODE): Define to be Pmode.
4404 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4406 * function.c (expand_function_end): Properly handle DECL_RESULT
4407 and copy when ptr_mode != Pmode.
4408 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4410 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4412 * c-common.c (c_common_nodes_and_builtins): Set prototype
4413 parameters for __builtin_fputs, __builtin_fputc and
4414 __builtin_fwrite. Don't declare plain fputc as a builtin.
4416 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4418 * loop.c (add_label_notes): Increment the label usage count when
4419 a note is added to an insn which refers to a CODE_LABEL.
4420 * gcse.c (add_label_notes): Likewise.
4422 2001-01-01 Andreas Jaeger <aj@suse.de>
4424 * loop.c (scan_loop): Use xmalloc to allocate movables.
4426 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4428 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4429 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4430 * reload1.c (REGISTER_MOVE_COST): Likewise.
4431 * regclass.c (REGISTER_MOVE_COST): Likewise.
4432 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4433 dimension. Adjust all users.
4434 (init_reg_sets_1): Iterate on all modes.
4435 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4436 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4437 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4438 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4439 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4440 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4441 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4442 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4443 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4444 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4445 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4446 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4447 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4448 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4449 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4450 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4451 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4452 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4453 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4454 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4455 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4456 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4457 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4458 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4459 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4460 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4461 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4463 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4465 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4466 arg VARIES_P. Call it with extra arg.
4467 (true_dependence): Likewise.
4468 * rtl.h (rtx_addr_can_trap_p): Declare.
4469 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4471 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4472 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4473 pic offset table register if it's zero. All callers changed.
4474 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4476 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4478 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4479 STRING_POOL_ADDRESS_P.
4481 * config/sparc/sparc.c (input_operand): Properly test for short op.
4483 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4484 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4485 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4486 * config/sparc/elf.h: No longer include sol2.h.
4487 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4488 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4490 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4492 2001-01-01 Michael Hayes <mhayes@redhat.com>
4494 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4495 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4496 (record_initial): Likewise.
4497 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4498 (remap_split_bivs): Likewise.
4500 2001-01-01 Michael Hayes <mhayes@redhat.com>
4502 * loop.c (loop_ivs_free): New function.
4503 (strength_reduce): Break out from...
4505 2001-01-01 Michael Hayes <mhayes@redhat.com>
4507 * loop.h (struct iv): New.
4508 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4509 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4510 'reg_biv_class' fields with 'regs' and 'n_regs'.
4511 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4512 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4513 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4515 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4517 * resource.c (mark_referenced_resources): Abort() before
4518 attempting to mark a pseudo register.
4519 (mark_set_resources): Likewise.
4521 2001-01-01 Michael Hayes <mhayes@redhat.com>
4523 * loop.h (REG_IV_CLASS): New accessor macro.
4524 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4525 * unroll.c (REG_IV_CLASS): Likewise.
4527 See ChangeLog.4 for earlier changes.