1 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4 Move definition in the RTX_CODE section.
6 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
9 address as relative to the argument pointer.
11 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
13 * predict.def (PRED_OPCODE): Place before call and error_return.
15 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
17 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
18 * predict.c (estimate_probability): Calculate dominance
19 information; improve detection of NORETURN heuristics;
20 add call/error_return heuiristics; tweak comparison heuristics
23 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
25 * doc/invoke.texi (C Dialect Options): Document -aux-info.
26 (Debugging Options): Document -print-multi-directory and
30 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
32 * toplev.c (independent_decode_option): Require `=' between
33 `-aux-info' and filename in the same argument.
34 * gcc.c: Don't pass -aux-info=filename twice.
36 2001-06-09 Mark Mitchell <mark@codesourcery.com>
38 * expr.c (expand_expr, case ARRAY_REF): Do not replace
39 an array element with the known initializing value if it has
42 * toplev.c (rest_of_compilation): Remove dead code before
45 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
47 * cppinit.c (print_help): Document -fpreprocessed.
48 * invoke.texi: Similarly.
50 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
52 * predict.def: New file.
53 * predict.h: New file.
54 * predict.c: Include predict.h.
55 (predictor_info): New structure and array.
56 (predict_edge, predict_insn): Rewrite; make global.
57 (predict_edge_def, predict_insn_def): New global functions.
58 (dump_prediction, combine_predictions_for_insns): New
60 (estimate_probability): Change calls to predict_edge
61 to predict_edge_def and calls to predict_insn to predict_insn_def;
62 combine probabilities.
63 (expected_value_to_br_prob): Behave as predictor.
64 * rtl.h (REG_BR_PRED): Update coment.
65 (invert_br_probabilities): New.
66 * jump.c: Include predict.h
67 (duplicate_loop_exit_test): Drop branch prediction notes.
68 (invert_jump): Use invert_br_probabilities.
69 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
70 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
71 * combine.c (distribute_notes): Handle BR_PRED.
73 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
75 * predict.c (predict_insn, predict_edge): New static functions.
76 (estimate_probability): Revamp to use new functions;
77 fix loop header heruistics; add loop exist heruistics
79 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
81 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
83 2001-06-09 Peter Jakubek <pjak@snafu.de>
85 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
87 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
89 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
90 for integer operations that don't update C bit.
92 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
94 * gthr-posix.h (__gthread_objc_init_thread_system): If
95 pthread_key_create fails, it's not clear what the return value is.
96 This obvious fix makes sure it always returns -1 if a problem
99 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
101 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
102 more index entries. Use more logical markup where appropriate.
103 Use TeX quotes and dashes.
105 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
107 * unwind-pe.h: Conditionally qualify references to abort with
110 2001-06-09 Julian Foad <julian_foad@hotmail.com>
112 * doc/invoke.texi: Remove superfluous text.
114 2001-06-08 Richard Henderson <rth@redhat.com>
116 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
117 (LIB_SPEC): Mirror config/linux.h version.
119 2001-06-08 Richard Henderson <rth@redhat.com>
121 * except.c (get_exception_pointer, get_exception_filter): Take a
122 struct function. Update all callers.
123 * except.h (get_exception_pointer): Update declaration.
124 * expr.c (expand_expr): Update get_exception_pointer call.
125 * integrate.c (expand_inline_function): Remap the exception pointer
126 from callee to caller.
128 2001-06-08 Mark Mitchell <mark@codesourcery.com>
130 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
131 accurately reflect its cv-qualification.
132 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
133 cv-qualifiers on function types.
135 2001-06-08 Mark Mitchell <mark@codesourcery.com>
137 * basic-block.h: Improve comments.
138 * except.c (expand_eh_region_end_allowed): Remove redundant call
139 to do_pending_stack_adjust.
140 * flow.c (life_analysis): Fix typo in comment.
141 (calculate_global_regs_live): Add documentation.
142 (mark_set_1): Likewise.
143 (debug_regset): Likewise.
144 * doc/rtl.texi (cond_exec): Document it.
146 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
148 * i386.h (CONST_COSTS): set cost of constants representable in
149 immediate fields to 0.
151 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
153 * function.c (diddle_return_value): Kill code to determine
154 return value before expand_function_end.
155 (expand_function_end): Delay call to clobber_return_register
156 after fucntion return value is computed.
158 Re-install temporary reverted patch:
159 * toplev.c (rest_of_compilation): Call split_all_insns
160 before reg-stack and shorten-branches. Do shorten-branches
162 * final.c (shorten_branches): Remove insn splitting code.
164 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
166 * doc/gcc.texi, doc/invoke.texi: Add index of command line
167 options. Use @opindex to index them rather than other indexing
168 commands. Use @var{...} instead of <...>. Avoid spaces in names
169 inside @var. Don't use @kindex to index escape sequences in
172 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
174 * stmt.c (current_nesting_level): New fn.
175 * tree.h: Declare it.
176 * c-semantics.c (genrtl_compound_stmt): Use it.
178 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
180 2001-06-08 Jakub Jelinek <jakub@redhat.com>
182 * jump.c (mark_modified_reg): Allow jump threading if condition
183 codes are represented by a hard register.
185 2001-06-08 Jakub Jelinek <jakub@redhat.com>
187 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
188 for complex floats passed to unprototyped functions.
190 2001-06-08 Mark Mitchell <mark@codesourcery.com>
192 * except.c (expand_eh_region_end_allowed): Call
193 do_pending_stack_adjust as necessary.
195 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
197 * function.c (clobber_return_register): Clobber the pseudo return
200 * sibcall.c (skip_unreturned_value): New function.
201 (call_ends_block_p): Use it.
203 * recog.c (split_insn): Break out from ...
204 (split_all_insns): ... here; do not use basic block information
207 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
209 * simplify-rtx.c (simplify_subreg): Fix verification of
212 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
214 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
215 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
216 Move definition of _LANGUAGE_C_PLUS_PLUS ...
217 (CPLUSPLUS_CPP_SPEC): ... here.
218 Fixes PRs c++/3047, target/441.
220 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
222 * doc/install.texi2html (MAKEINFO): Keep value if set already.
224 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
226 * doc/gcc.texi: Add trailing slash to URL.
228 2001-06-07 Stan Shebs <shebs@apple.com>
230 * config/darwin.h (ENCODE_SECTION_INFO): Define.
231 (REDO_SECTION_INFO_P): Ditto.
232 (STRIP_NAME_ENCODING): Ditto.
233 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
234 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
235 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
236 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
237 * config/darwin.c: No longer include c-tree.h.
238 (machopic_classify_ident): Rewrite to use symbol encoding.
239 (lookup_name_darwin): Remove.
240 (machopic_non_lazy_ptr_name): Handle encoded symbols.
241 (machopic_stub_name): Use STRIP_NAME_ENCODING.
242 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
243 (machopic_finish): Ditto, remove test of decl.
244 (update_non_lazy_ptrs): New function.
245 (darwin_encode_section_info): New function.
246 * config/darwin-protos.h: Declare it.
247 * config/rs6000/rs6000.c (machopic_output_stub): Use
250 2001-06-07 Mark Mitchell <mark@codesourcery.com>
252 * tree.h (DECL_SOURCE_FILE): Improve documentation.
253 (DECL_SOURCE_LINE): Likewise.
255 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
257 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
260 2001-06-07 Phil Edwards <pme@sources.redhat.com>
262 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
263 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
265 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
267 * doc/contrib.texi: Add copyright notice.
269 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
271 * doc/md.texi: Use four digit years in copyright notice.
273 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
275 * config.gcc: For $target_alias of athlon-*, set
276 target_cpu_default2=5.
278 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
280 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
281 end of last block if last real insn is a JUMP_INSN.
283 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
287 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
289 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
290 pthread_t to objc_thread_t.
291 (__gthread_objc_thread_id): Likewise.
293 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
295 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
296 (ASM_OLDAS_SPEC): Likewise.
298 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
299 (CPP_SUBTARGET_SPEC): Use it.
300 (ASM_OLDAS_SPEC): Define.
302 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
304 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
306 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
309 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
311 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
312 Document use of N_(...), and show it in examples. Note that
313 documentation should be added to invoke.texi. Avoid an overfull
316 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
318 * toplev.c (rest_of_compilation): Revert previous patch.
319 * final.c (shorten_branches): Likewise.
321 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
323 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
326 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
328 * doc/install-old.texi: Remove more obsolete documentation.
330 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
332 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
334 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
336 * toplev.c (rest_of_compilation): Call split_all_insns
337 before reg-stack and shorten-branches. Do shorten-branches
339 * final.c (shorten_branches): Remove insn splitting code.
341 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
343 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
344 * configure: Rebuilt.
346 2001-06-07 Andreas Jaeger <aj@suse.de>
348 * emit-rtl.c (operand_subword): Remove unused variable.
350 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
352 * i386.md (floatdi?f): Avoid usinf of SSE instructions
353 if TARGET_64BIT is false.
354 (floatdi?f_i386_only): New insn.
355 (floatdi?f_i386): Disable for !TARGET_64BIT.
357 * (min?f, max?f splitters): Handle case where
358 operands are cross-matched.
360 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
361 (MMX_REGISTER_NAMES): Kill.
362 (PRINT_OPERAND): Fix comment.
363 (PRINT_REG): Likewise.
364 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
365 (print_operand): Update comment; kill 'm'.
367 * i386.c (x86_branch_hints): New global variable
368 (print_operand): Support outputting of branch prediction hints.
369 * i386.md (conditional jump patterns): Add branch prediction hints
371 * i386.h (x86_branch_hints): Declare
372 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
373 (PRINT_OPERAND_FUNCT_VALID_P): New.
374 * final.c (final_forward_branch_p): New function.
376 2001-06-06 Richard Henderson <rth@redhat.com>
378 * flow.c (mark_used_reg): Clean up looping over multiple hard
379 registers. Do conditional life bits across multiple hard regs.
381 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
383 * reload1.c (reload): Revert Schmidt's change so all USEs are not
384 deleted during reload.
386 2001-06-05 Mark Mitchell <mark@codesourcery.com>
388 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
389 functions here, instead of ...
390 * c-decl.c (c_expand_body): ... here.
392 2001-06-05 David O'Brien <obrien@FreeBSD.org>
394 * config.gcc, config/sparc/bsd.h: Do not directly include
395 sparc/sparc.h. Instead do it via tm_file.
397 2001-06-05 Richard Henderson <rth@redhat.com>
399 * dwarf2.h (DW_EH_PE_aligned): New.
400 * dwarf2asm.c (eh_data_format_name): Name it.
401 (dw2_asm_output_encoded_addr_rtx): Align for it.
402 * dwarf2out.c (output_call_frame_info): Handle it for personality
403 routine and LSDA pointers.
405 * unwind-pe.h (DW_EH_PE_aligned): New.
406 (base_of_encoded_value): Handle it.
407 (read_encoded_value_with_base): Likewise.
408 * unwind-dw2-fde.c (base_from_object): Likewise.
409 (get_cie_encoding): Likewise.
411 * config/alpha/elf.h: Remove ecoff commentary.
412 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
414 2001-06-05 David O'Brien <obrien@FreeBSD.org>
416 * config.gcc, config/i386/bsd386.h: Do not directly include
417 i386/386bsd.h. Instead do it via tm_file.
419 2001-06-05 David O'Brien <obrien@FreeBSD.org>
421 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
424 2001-06-05 Pascal Obry <obry@act-europe.fr>
426 * configure.in: Quote $enable_win32_registry in case the value has
430 2001-06-05 Mark Mitchell <mark@codesourcery.com>
432 * print-rtl.c (xspaces): Remove.
433 (print_rtx): Use printf field-width, rather than xpsaces, to
435 * toplev.c (main): Disable sibling-call optimization if we are
438 2001-06-05 Bernd Schmidt <bernds@redhat.com>
440 * reload1.c (reload): Delete all USEs generated during reload.
442 2001-06-05 scott snyder <snyder@fnal.gov>
444 * gccbug.in: Fix typo.
446 2001-06-05 Andreas Jaeger <aj@suse.de>
448 * builtins.def: Fix definition of __builtin_cosf, it uses float as
449 parameter and return value.
451 2001-06-04 Anthony Green <green@redhat.com>
453 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
454 machine. This is now done in sparc.h.
456 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
458 Correct CVS resurrection of invoke.texi.
459 * doc/invoke.texi: Document new tree dump flags.
461 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
463 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
464 for casting an aggregate to its own type. Fixes PR c/2735.
466 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
468 * doc/texinfo.tex: Update to version 2001-05-24.08.
470 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
472 * c-common.h (flag_dump_translation_unit): Remove.
473 (enum tree_dump_index): Define.
474 (TDF_ADDRESS, TDF_SLIM): New #defines.
475 (dump_node_to_file): Remove.
476 (dump_node): Make extern. Add flags.
477 (dump_flag, dump_enabled_p, dump_begin, dump_end,
478 dump_switch_p): Prototype.
479 * c-common.c (flag_dump_translation_unit): Remove.
480 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
481 logic. Use dump_switch_p.
482 * c-dump.h (struct dump_info): Add node and user fields.
483 (dump_pointer): Declare.
484 * c-dump.c (dump_node): Make extern. Add flags.
485 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
486 (dump_new_line, dump_maybe_newline): Use them.
487 (dump_pointer): New function.
488 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
489 chain or function's body. Dump address, if TDF_ADDRESS set.
491 (dump_node_to_file): Remove.
492 (struct dump_file_info): New struct.
493 (dump_files): New array.
494 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
495 * c-lang.c (finish_file): Adjust dumping.
496 * toplev.h (dump_base_name): Make extern.
497 * invoke.texi: Document new flags.
499 2001-06-04 Mark Mitchell <mark@codesourcery.com>
501 * c-tree.h (lang_decl): Add pending_sizes fields.
502 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
504 (c_expand_body): Expand them.
505 (lang_mark_tree): Mark lang_decl:pending_sizes.
506 * function.c (expand_pending_sizes): New function, broken out
508 (expand_function_start): ... here.
509 * tree.h (expand_pending_sizes): Declare it.
511 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
513 * doc/install.texi: Update FreeBSD information. Generalize
514 and update information for alpha-based platforms using ELF.
516 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
518 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
519 (store_parm_decls): Likewise.
520 * c-typeck.c (convert_arguments): Likewise.
522 2001-06-04 Richard Henderson <rth@redhat.com>
524 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
525 optimization if current_function_calls_setjmp.
527 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
529 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
532 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
534 * simplify-rtx.c (simplify_subreg): Fix combining of
537 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
539 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
540 (no_labels_between_p): Short circuit case beg==end.
542 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
544 * rtlanal.c (operand_preference): Fix preference for objects.
546 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
548 * gcse.c (handle_avail_expr): Be prepared to handle single_set
551 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
553 * combine.c (if_then_else_cond): Use simplify_subreg instead
555 * integreate.c (sub_constants): Likewise.
557 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
559 * emit-rtl.c (constant_subword): Deprecate; remove most of code
560 and use simplify_gen_subreg.
562 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
564 * sibcall.c (skip_copy_to_return_value): recognize the situation
565 when the called function's return value is copied into an
566 intermediate pseudo, and then into the calling functions return
569 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
571 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
572 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
573 in case register wasn't OK previously, accept it now; allow
574 subregs of frame pointer if reload completed and frame pointer
577 * combine.c (sombine_simplify_rtx): Fix comment;
578 use subreg_lowpart_offset instead of subreg_lowpart_p
579 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
580 * rtl.h (subreg_lowpart_parts_p): Kill.
581 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
582 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
583 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
584 (gen_lowpart_common): Likewise.
585 (subreg_lowpart_p): Likewise.
586 (subreg_lowpart_parts_p): Kill.
587 (subreg_lowpart_offset, subreg_highpart_offset): New function.
589 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
590 to simplify SUBREG and REG.
591 (gen_highpart): Use simplify_gen_subreg for all simplifications.
593 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
596 * rtlanal.c (replace_regs): Use simplify_gen_subreg
598 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
600 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
601 (ARRAY_RANGE_REF): Added description.
603 * tree.def (ARRAY_RANGE_REF): New code.
604 * alias.c (handled_component_p, can_address_p): Handle it.
605 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
606 * explow.c (set_mem_attributes): Likewise.
607 * expr.c (expand_assignment, get_inner_reference): Likewise.
608 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
609 * fold-const.c (operand_equal_p): Likewise.
610 * tree.c (staticp, stabilize_reference): Likewise.
611 * varasm.c (decode_addr_const): Likewise.
613 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
615 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
616 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
618 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
620 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
621 mark_constant_pool_use before output_addr_const.
622 (struct pool_node): New field wend.
623 (add_constant): Note a sequence of constants that are referenced
625 (pool_window_label, pool_window_last): New variables.
626 (dump_table): Emit a unspec_volatile representing the end of a
627 sequence of constants.
628 (mark_constant_pool_use): New function.
629 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
630 (consttable_2): Add the second operand which flags whether
631 this consttable entry was used or not.
632 (consttable_4, consttable_8, consttable_sf, consttable_df):
634 (consttable_window_end): New insn.
636 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
638 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
639 Reformat according to coding standards.
642 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
643 (shl_and_kind): Cast wide constant.
644 (gen_far_branch): Define as static, as in declaration.
645 (barrier_align): Compute cache-line length as unsigned. Add
646 parentheses in initial credit computation.
647 (rounded_frame_size): Add parentheses.
648 (permanent_obstack): Remove declaration. Include ggc.h for
649 declaration of ggc_add_root_rtx().
650 (get_free_reg): Removed declaration of unused variable reg.
651 (legitimize_pic_address): Mark mode argument as unused.
653 2001-06-03 Igor Shevlyakov <igor@windriver.com>
655 * config/sh/sh.c (output_branch): Support for insn with lenght
656 attr 12 & 16 which represents cond branches outside +-4096 range.
658 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
660 * config/sh/lib1funcs.asm (ic_invalidate): Align the
661 cache-mirroring sequence. Add nops.
663 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
665 * doc/install-old.texi: Remove more old installation
667 * doc/install.texi: Add relevant parts here.
669 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
671 * doc/install.texi2html: New script.
673 2001-06-03 David Edelsohn <edelsohn@gnu.org>
675 * doc/install.texi: Update AIX information again.
677 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
679 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
680 installation documentation.
681 * doc/install.texi: Move it to here.
683 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
685 * doc/install.texi: Clean up Texinfo markup.
687 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
689 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
690 to just after title page.
692 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
694 * doc/install-old.texi: Remove documentation of some configuration
696 * doc/install.texi: Add relevant parts of this documentation here.
698 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
700 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
701 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
703 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
705 * i386.md (all uses of ext_register_operand): Make sure they are
706 VOIDmode; replace all uses outside zero_extend.
707 (and?i splitters): Use ext_register_operands.
708 (test?i peep2): Remove ignored constraints.
709 * i386.c (ext_register_operand): Check that operand is
710 eighter pseudo or hard or 'Q' register.
712 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * tree.h (struct record_layout_info_s): New field unpadded_align.
715 (set_lang_adjust_rli): New declaration.
716 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
717 it would have if not packed, do not downgrade DECL_ALIGN.
718 (lang_adjust_rli, set_lang_adjust_rli): New.
719 (start_record_layout): Initialize new field unpadded_align.
720 (debug_rli): Display it.
721 (place_union_field, place_field): Set it.
722 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
724 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
725 mean that; use proper names instead.
726 Print DECL_NO_STATIC_CHAIN.
728 * except.c (expand_builtin_frob_return_addr): Add missing call
729 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
730 (expand_builtin_eh_return): Likewise.
731 (expand_eh_return): Clean up ptr_mode != Pmode cases.
733 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
735 * doc/invoke.texi: Remove references to papers about sequence points
736 to readings.html, refer to that page.
738 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
740 * README: Update references to installation instructions.
742 2001-06-01 Laurent Guerby <guerby@acm.org>
743 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
745 * doc/install.texi: Define srcdir when sources come from CVS.
746 Significantly improve markup. Wrap overly long lines
748 2001-06-01 DJ Delorie <dj@redhat.com>
750 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
751 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
752 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
753 gcov.1: Move to doc subdirectory.
754 * install.texi: Move to doc/install-old.texi.
755 * gcc.texi: Move to doc, refer to install-old.texi.
756 * Makefile.in: Reflect move of docs to doc/.
757 * f/Make-lang.in: Ditto.
758 * java/Make-lang.in: Ditto.
759 * doc/.cvsignore: New.
761 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
763 * invoke.texi: use two spaces between command options, eliminate
764 some 'overfull hboxes'
766 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
768 * Makefile.in (s-mlib): Make backtick-commands always succeed.
769 (DRIVER_DEFINES): Ditto.
771 2001-05-31 Richard Henderson <rth@redhat.com>
773 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
774 also link against libgcc.a.
776 2001-05-31 Geoff Keating <geoffk@cygnus.com>
778 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
779 * config/mips/mips.c (mips_output_ascii): New function.
780 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
782 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
784 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
786 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
787 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
789 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
791 * install.texi (Configuration): Add html links for --with-gnu-as &
792 --with-gnu-ld and refer to them from hppa & SCO triplets.
793 (Specific): Link back to with-gnu-ld for all ELF platfoms.
794 (Specific): Reword AVR binutils recommendation.
796 2001-05-30 Zack Weinberg <zackw@stanford.edu>
798 * ggc-page.c (size_lookup): Increase minimum allocation size
800 (ggc_print_statistics): Report size of each bin in bytes, not
801 as its order; there is no longer a direct relationship.
803 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
805 * extend.texi: Fix formating of examples, eliminate some
807 * gcc.texi: Eliminate some 'overfull hboxes'.
808 * invoke.texi: Use two spaces between command options, eliminate
809 some 'overfull hboxes'.
811 2001-05-30 Richard Henderson <rth@redhat.com>
813 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
815 2001-05-30 Tom Tromey <tromey@redhat.com>
817 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
818 use it in the new association.
820 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
821 John David Anglin <dave@hiauly1.hia.nrc.ca>
823 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
824 to target type to allow ISO C++ compiler to accept it.
825 * gthr-dce.h (__gthread_active_ptr): Likewise.
826 * gthr-solaris.h (__gthread_active_ptr): Likewise.
828 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
830 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
831 so that we do accept comments in preprocessed input.
833 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
835 * cpphash.c (alloc_node): Cast allocated pointer.
837 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
839 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
841 2001-05-29 Stan Shebs <shebs@apple.com>
843 * gcc.texi: Add links for information about Objective-C.
845 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
847 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
848 /bin/sed fails on [^\"]).
849 (configargs.h): Likewise.
851 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
853 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
855 2001-05-28 Stan Shebs <shebs@apple.com>
857 * objc/objc.gperf: Remove, no longer used.
859 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
861 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
862 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
863 Remove trailing whitespace.
865 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
867 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
868 became http://freeware.sgi.com/.
870 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
872 * local-alloc.c (update_equiv_regs): Don't eliminate constant
875 2001-05-27 Stan Shebs <shebs@apple.com>
877 * objc/objc-act.c: Add/fix various comments.
878 (init_selector): Remove, no longer used.
879 (build_msg_pool_reference): Ditto.
882 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
884 * c-decl.c (init_decl_processing):
885 Don't call start_identifier_warnings.
886 * flags.h (warn_id_clash, id_clash_len): Remove.
887 * stringpool.c: Don't include flags.h.
888 (scan_for_clashes, do_identifier_warnings,
889 start_identifier_warnings): Remove.
890 * toplev.c (warn_id_clash, id_clash_len): Remove.
891 (display_help): Don't document -Wid-clash.
892 (decode_W_option): Print warning on -Wid-clash.
893 * tree.h (start_identifier_warnings): Remove.
894 * invoke.texi: Remove documentation of -Wid-clash.
896 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
900 2001-05-27 Bruce Korb <bkorb@gnu.org>
902 * fixinc/check.tpl(HACK) add and use a Scheme variable
903 (has no test text): error out if no "test_text" is defined
904 * fixinc/fixincl.tpl: likewise
905 (FIXIDX): make it an enumeration so we minimize diffs
906 * fixinc/inclhack.def: re-alphabetize and add sort instructions
907 * fixinc/fixincl.x: regenerate
908 * fixinc/tests/base/stdio.h: test output got moved due to
910 * README-fixinc: rewrite (mostly)
912 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
914 * cpplib.c (run_directive): Set pfile->directive.
916 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
918 * c-tree.texi: Reformat the manual as a single chapter now
919 included by gcc.texi.
920 * gcc.texi: Include c-tree.texi. Merge all indexes.
921 * Makefile.in (dvi): Add generation for the cppinternals
922 documentation. Added dependencies on fdl.texi and c-tree.texi
923 where appropriate. Use TEXI2DVI instead of custom tex calls.
924 (info): Added dependencies on fdl.texi and c-tree.texi where
925 appropriate. Remove the target c-tree.info.
927 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
929 * combine.c (try_combine): Fix typo in comment.
930 * expr.c (expand_expr): Likewise.
931 * config/i370/i370.md (untyped_call): Likewise.
933 2001-05-26 Bruce Korb <bkorb@gnu.org>
935 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
936 when fixincl is operating in test mode
937 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
938 (AAB_ultrix_limits): remove redundant text
939 (AAB_ultrix_memory): ditto
940 (AAB_ultrix_string): ditto
941 (djgpp_wchar_h): fix the test text
942 (irix_stdio_va_list): add test text
943 (irix_limits_const): add a testing output file (limits.h is overwritten)
944 (strict_ansi_not_ctd): put limits.h second in list for same reason
945 (solaris27_mutex_init): test text needed selection text, too
947 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
948 when fixincl is operating in test mode
950 2001-05-26 Philip Blundell <philb@gnu.org>
952 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
953 * config/i960/i960-protos.h: Likewise.
954 * config/i370/i370-protos.h: Likewise.
955 * config/h8300/h8300-protos.h: Likewise,
956 * config/sh/sh-protos.h: Likewise.
957 * config/v850/v850-protos.h: Likewise.
959 2001-05-26 Philip Blundell <philb@gnu.org>
961 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
963 2001-05-25 Zack Weinberg <zackw@stanford.edu>
965 * toplev.c (debug_args, f_options, W_options): Mark
966 descriptions for translation.
967 (display_help): Translate descriptions on output.
969 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
970 objc/lang-options.h: Mark descriptions for translation.
972 * aclocal.m4: Quote final argument of patsubst. Use
973 3-argument form of AC_DEFINE. Restore quotes to [] while
975 * configure.in: Remove unnecessary changequote calls.
976 * configure, config.in: Regenerate.
978 2001-05-25 Sam TH <sam@uchicago.edu>
980 * basic-block.h: Fix header include guards.
981 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
982 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
983 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
984 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
985 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
986 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
987 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
988 varray.h version.h: Likewise.
989 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
990 config/arm/arm.h config/c4x/c4x-protos.h
991 config/h8300/h8300-protos.h config/h8300/h8300.h
992 config/i370/i370-protos.h config/i370/i370.h
993 config/i960/i960-protos.h config/mcore/mcore.h
994 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
995 config/v850/v850-protos.h config/v850/v850.h: Likewise.
996 * fixinc/fixlib.h fixinc/server.h: Likewise.
998 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1000 * config/arc/initfini.c (.init): Fix typo.
1002 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1004 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1006 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1008 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1010 2001-05-25 Richard Henderson <rth@redhat.com>
1012 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1014 2001-05-25 Richard Henderson <rth@redhat.com>
1016 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1017 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1018 (sparc*-*-solaris2): Likewise.
1019 * config/t-linux: Remove shared libgcc macros.
1020 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1021 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1023 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1025 * config.gcc (*-*-freebsd*): Report bad configuration.
1027 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1029 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1031 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1033 (ASM_OUTPUT_LABELREF): Delete.
1035 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1037 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1038 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1039 * fixinc/fixincl.x: Regenerate.
1040 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1041 (FIX_TEST_TABLE): Declare it.
1042 * fixinc/fixlib.h: Include config.h.
1044 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1046 * fixinc/inclhack.def (alpha___assert): Change char * args to
1047 const char * on Tru64 UNIX to avoid excessive warnings from
1049 * fixinc/fixincl.x: Regenerate.
1051 2001-05-25 Geoff Keating <geoffk@redhat.com>
1053 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1054 outputting a tag only for variable-size records.
1056 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1058 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1059 instead of rtx_equal_p for early clobber test.
1061 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1063 * builtins.def: Encode additional information, such as names and
1065 * builtin-types.def: New file.
1066 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1067 (built_in_decls): Likewise. Don't explicitly initialize global
1069 (expand_builtin_mathfn): Handle float and long double variants of
1071 (expand_builtin): Likewise.
1072 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1073 (expand_tree_builtin): Handle long, long long, float, and long
1074 double variants of math functions.
1075 * c-common.h (c_tree_index): Remove some unused nodes.
1076 (void_ftype): Remove.
1077 (void_type_ptr): Likewise.
1078 (int_ftype_int): Likewise.
1079 (ptr_ftype_sizetype): Likewise.
1080 * c-decl.c (init_decl_processing): Remove creation of DWARF
1082 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1083 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1084 * Makefile.in (c-common.o): Depend on builtin-types.def.
1086 2001-05-25 Dale Johannesen <dalej@apple.com>
1088 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1090 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1092 * c-parse.in (notype_initdcl): Remove redundant line.
1094 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1096 * aclocal.m4: Fixed typo.
1097 (gcc_AC_HEADER_STDBOOL): Define.
1098 (gcc_AC_C__BOOL): Define.
1099 * configure.in: Use them.
1100 (AC_CHECK_HEADERS): Remove stdbool.h
1101 * configure, config.in: Regenerate.
1103 2001-05-25 Richard Henderson <rth@redhat.com>
1105 * function.c (expand_function_start): Don't abort on PARALLEL
1106 returns from hard_function_value.
1108 2001-05-25 Richard Henderson <rth@redhat.com>
1110 * config/i386/i386.md: Revert previous change. Do not apply
1111 the peephole if the components do not die after the sequence.
1113 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1115 * c-parse.in (array_declarator): New. Handle C99 constructs.
1116 Don't restrict [*] declarators to C only.
1117 (after_type_declarator, parm_declarator_starttypename,
1118 parm_declarator_nostarttypename, notype_declarator,
1119 direct_absdcl1): Use it.
1120 * c-decl.c (build_array_declarator, set_array_declarator_type):
1121 New functions. Warn that [*] isn't properly implemented; pedwarn
1122 for [*] outside C99 mode if pedantic rather than giving a hard
1124 (grokdeclarator): Handle static and type qualifiers in parameter
1126 * c-tree.h (build_array_declarator, set_array_declarator_type):
1128 * extend.texi (Attribute Syntax): Document attributes in parameter
1131 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1133 * config/i386/i386.md: Make sure cmpstr peepholes do not
1134 affect liveness information.
1136 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1138 * c-typeck.c (digest_init): Issue error messages about
1139 invalid constants, not warnings.
1141 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1143 * invoke.texi (-fno-builtin): Document that this is always on
1146 2001-05-24 Philip Blundell <philb@gnu.org>
1148 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1151 2001-05-24 Philip Blundell <philb@gnu.org>
1153 * config/arm/arm.c (output_return_instruction): Correctly handle
1154 interworking and interrupt functions.
1156 2001-05-24 Philip Blundell <philb@gnu.org>
1158 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1159 -m{no-}sched-prolog. Fix typos and improve formatting.
1161 2001-05-24 Philip Blundell <philb@gnu.org>
1163 * invoke.texi (ARM Options): Improve wording slightly. Add
1164 documentation for more options, including those for Thumb mode.
1165 Don't mention options that don't exist or are unimplemented.
1166 (Thumb Options): Delete; merged into above section.
1168 2001-05-24 Geoff Keating <geoffk@redhat.com>
1170 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1171 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1173 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1175 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1176 fix hard register simplification.
1178 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1180 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1181 of just copying CPP_CPU_SPEC.
1183 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1185 * i386.c (incdec_operand): Accept only 1 and -1.
1187 2001-05-23 Kelley Cook <kelley.cook@home.com>
1189 * Makefile.in: Move many of the *_H definitions eariler in the
1190 file, so that rules in t-* files that use them for
1191 dependencies will work in a parallel build.
1192 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1194 2001-05-23 Richard Henderson <rth@redhat.com>
1196 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1198 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1200 * cpp.texi: Update for handling of charconsts.
1201 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1202 diagnostics. Skip to the end if the UCS is too short.
1203 (cpp_interpret_charconst): Long charconsts issue a warning
1206 2001-05-23 Richard Henderson <rth@redhat.com>
1208 * doc/install.texi (alpha-linux): Require binutils 2.11.
1210 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1212 * c-lex.c (read_escape, read_ucs): Delete.
1213 (lex_string): Use cpp_parse_escape.
1214 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1215 if not C++ or not C99. Warn if traditional.
1216 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1217 unsigned. Warn for out-of-range escape sequences here.
1218 Update to use maybe_read_ucs.
1219 (cpp_interpret_charconst): Don't warn here.
1220 * cpplib.h (cpp_parse_escape): New exported function.
1222 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1224 * extend.texi (Attribute Syntax): Clarify application of
1225 attributes to parameters declared as functions or arrays.
1227 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1229 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1231 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1233 * diagnostic.c (vnotice): Kill.
1234 (fnotice): Call vfprintf directly.
1235 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1236 verbatim, set_diagnostic_context): Rename string argument to
1237 indicate that it is run through gettext.
1238 (vbuild_message_string, build_message_string, output_do_printf):
1239 Rename string argument to indicate that it is NOT run through
1241 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1242 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1243 Run msgid argument through gettext.
1244 (default_print_error_function): Run constant strings through
1245 gettext when nothing else will.
1246 (fatal_error, internal_error, error_recursion): Use fnotice.
1247 Present complete sentences to gettext.
1249 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1251 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1253 2001-05-23 Richard Henderson <rth@redhat.com>
1255 * function.c (expand_function_start): Always use a pseudo
1256 for the function result value.
1258 2001-05-22 Richard Henderson <rth@redhat.com>
1260 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1261 section pointer alignment.
1263 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1265 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1266 of __USER_LABEL_PREFIX__.
1268 2001-05-22 Richard Henderson <rth@redhat.com>
1270 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1271 (__deregister_frame_info_bases): New.
1272 * unwind-dw2-fde.h: Declare it.
1273 * libgcc-std.ver: Export it.
1274 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1275 called __register_frame_info_bases.
1277 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1279 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1280 instead of #elif (which is OK for this case but not in general).
1282 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1284 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1285 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1286 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1287 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1288 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1290 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1291 David O'Brien <obrien@freebsd.org>
1293 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1294 configure-time options and target version of FreeBSD. Set-up
1295 to match architectural change in threading support. Correctly
1296 report when -pthread option is not supported by configure-time
1298 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1299 and extend to encode target version number in run-time setting
1300 of __FreeBSD__ macro to match the system compiler.
1301 (CPP_PREDEFINES): Likewise.
1302 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1304 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1305 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1307 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1308 David O'Brien <obrien@freebsd.org>
1310 * config.gcc (the unlabeled system switch statement): Add
1311 generic configuration section to handle *-*-freebsd*. Also,
1312 to match the system compiler, default to threading support (it
1313 may be disabled with the standard --disable-threads
1314 configuration-time switch).
1315 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1316 (alpha*-*-freebsd* in machine-specific section): Likewise.
1318 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1319 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1320 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1321 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1322 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1324 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1325 David O'Brien <obrien@freebsd.org>
1327 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1328 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1329 -pthread instead setting macro.
1331 2001-05-22 Richard Henderson <rth@redhat.com>
1333 * crtstuff.c (__register_frame_info_bases): Declare.
1334 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1335 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1337 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1338 (CRT_GET_RFIB_DATA): New.
1339 * config/i386/sysv4.h: Likewise.
1340 * config/i386/sco5.h: Likewise.
1341 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1343 2001-05-22 Richard Henderson <rth@redhat.com>
1345 * rtl.c (read_string): Break out from ...
1346 (read_rtx): ... here.
1348 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1350 * doc/install.texi (Specific): Remove a bogus and duplicate part
1351 copied from the end of the document.
1353 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1355 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1357 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1359 * install.texi: Remove obsolete information on SunOS as well as
1360 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1361 (Installing GNU CC on the Sun): Remove section.
1363 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1365 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1366 keep errno unchanged on success.
1368 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1370 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1371 once for hexadecimal floats, whether or not they contain a decimal
1372 point. Don't let the setting of pedantic otherwise affect the
1373 parsing of hexadecimal floats.
1375 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1377 * README.ACORN: Remove obsolete file.
1379 2001-05-22 Jan Hubicka <jh@suse.cz>
1381 * combine.c (gen_binary): Use swap_commutative_operands_p
1382 (simplify_comparison): Likewise.
1383 * expmed.c (emit_store_flag): Likewise.
1384 * expr.c (compare_from_rtx): Likewise.
1385 (do_compare_rtx_and_jump): Likewise.
1386 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1387 if not emitting a branch and operands want swapping.
1389 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1391 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1392 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1393 (maybe_get_identifier): Update.
1394 * tree.h (make_identifier): Delete.
1396 2001-05-21 Richard Henderson <rth@redhat.com>
1398 * combine.c (subst): Do not substitute for a register as
1399 a destination subreg/strict_low_part/zero_extract.
1401 * combine.c (simplify_comparison): Update op1 after constant
1403 * recog.c (const_int_operand): Accept only constants valid
1405 * genrecog.c: Update comments wrt const_int_operand.
1407 * emit-rtl.c (init_emit_once): Zero unused memory in a
1410 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1412 * tree.h (type_num_arguments): Declare it.
1413 * tree.c (type_num_arguments): New function.
1415 2001-05-21 Richard Henderson <rth@redhat.com>
1417 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1420 2001-05-21 Geoff Keating <geoffk@redhat.com>
1422 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1424 (minsf3): Use rs6000_emit_minmax.
1425 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1427 (movsfcc): Use rs6000_emit_cmove.
1428 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1429 Don't generate emit_fselsfsf4.
1430 (fseldfsf4): Likewise.
1431 (maxdf3): Use rs6000_emit_minmax.
1433 (mindf3): Use rs6000_emit_minmax.
1434 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1436 (movdfcc): Use rs6000_emit_cmove.
1437 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1438 Don't generate emit_fselsfsf4.
1439 (fselsfdf4): Likewise.
1440 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1441 (min_max_operator): New predicate.
1442 (rs6000_emit_cmove): New function.
1443 (rs6000_emit_minmax): New function.
1444 * config/rs6000/rs6000-protos.h: Prototype new functions.
1445 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1446 and min_max_operator.
1448 * config/rs6000/rs6000.c (output_cbranch): Handle all
1449 conditional types in the switch statement.
1451 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1453 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1454 non-register variables.
1455 * extend.texi: Document that asm-specifications do not make sense
1456 for non-static local variables.
1458 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1460 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1461 (dbxout_type_fields): Lose minimal_debug support.
1462 (dbxout_type_methods, dbxout_type): Likewise.
1464 2001-05-17 Andrew Haley <aph@redhat.com>
1466 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1468 2001-05-21 Richard Henderson <rth@redhat.com>
1470 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1473 2001-05-20 Richard Henderson <rth@redhat.com>
1475 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1476 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1477 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1478 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1479 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1481 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1482 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1483 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1484 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1485 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1486 DEBUG_PUBNAMES_SECTION): Rename as above.
1487 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1489 2001-05-20 Richard Henderson <rth@redhat.com>
1491 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1492 operands unless the operation is commutative.
1494 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1496 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1499 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1501 * extend.texi: Clarify documentation of extensions included in ISO
1502 C99. Prefer C99 terminology and syntax to old GNU terminology and
1503 syntax. Add more index entries. Document mixed declarations and
1504 code as an extension in C89 mode. Warn about future changes to
1505 semantics of inline functions. Fixes PR other/930.
1507 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1509 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1510 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1511 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1512 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1514 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1516 2001-05-20 Richard Henderson <rth@redhat.com>
1518 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1519 to be output before a branch.
1521 2001-05-20 Richard Henderson <rth@redhat.com>
1523 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1525 2001-05-20 Richard Henderson <rth@redhat.com>
1527 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1528 (ASM_DOUBLE): Remove.
1529 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1530 * config/i386/sun386.h: Likewise.
1532 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1533 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1535 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1536 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1537 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1538 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1540 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1541 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1542 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1543 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1544 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1545 * config/i386/win32.h: Likewise.
1547 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1549 * invoke.texi: Add more options to summary list.
1551 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1553 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1554 used. Fixes PR c/2291.
1555 * gcc.1: Regenerate.
1557 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1559 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1560 the -fpic and -fPIC options, clear flag_pic.
1562 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1564 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1565 * stringpool.c (make_identifier): No statistics here anymore.
1566 * objc-act.c (steup_string_decl): Remove redundant check.
1568 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1570 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1571 cpplib.o, cpphash.o, fix-header): Update.
1572 (hashtable.o): New target.
1573 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1574 struct c_common_identifier here.
1575 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1576 * c-lex.c (c_lex): Update.
1577 * c-pragma.h: Update.
1578 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1580 (C_RID_CODE): Delete.
1581 * cpphash.c: Rewrite to use hashtable.c.
1582 * cpphash.h: Update include guards.
1583 (struct cpp_reader): Remove hashtab.
1584 hash_ob and buffer_ob are no longer pointers. Add hash_table
1586 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1587 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1588 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1589 * cppinit.c (cpp_create_reader): Update.
1590 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1591 (cpp_interpret_charconst): Eliminate warning.
1592 * cpplib.c (do_pragma, do_endif, push_conditional,
1593 cpp_push_buffer, cpp_pop_buffer): Update.
1594 (_cpp_init_stacks): Rename cpp_init_directives.
1595 (_cpp_cleanup_stacks): Remove.
1596 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1597 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1598 cpp_forall_identifiers, cpp_create_reader): Update.
1599 (C_RID_CODE, cpp_make_node): New.
1600 (c_common_identifier): New identifier node for C front ends.
1601 * cppmain.c (main): Update.
1602 * fix-header.c (read_scan_file): Update.
1603 * flags.h (id_clash_len): Make unsigned.
1604 * ggc.h (ggc_mark_nonnull_tree): New.
1607 * stringpool.c: Update comments and copyright. Update to use
1609 * toplev.c (approx_sqrt): Move to hashtable.c.
1610 (id_clash_len): Make unsigned.
1611 * toplev.h (ident_hash): New.
1612 * tree.c (gcc_obstack_init): Move to hashtable.c.
1613 * tree.h: Include hashtable.h.
1614 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1615 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1616 (struct tree_identifier): Update.
1617 (make_identifier): New.
1619 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1620 (C_RID_CODE): Remove.
1621 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1622 (init_parse): Don't do it here.
1624 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1626 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1628 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1630 (expand_eh_return): Convert between word_mode and Pmode.
1631 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1633 (execute_stack_op): Likewise.
1634 (execute_cfa_program): Likewise.
1635 (uw_frame_state_for): Likewise.
1636 (uw_update_context_1): Likewise.
1637 * unwind.inc (_Unwind_Reason_Code): Likewise.
1638 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1639 (EH_RETURN_STACKADJ_RTX): Likewise.
1640 * config/mips/mips.c (compute_frame_size): Make space for saving
1641 EH return registers.
1642 (mips_expand_epilogue): Handle EH stack adjustments.
1643 * config/mips/mips.md (eh_return): New pattern.
1644 (eh_set_lr_si): Likewise.
1645 (eh_set_lr_di): Likewise.
1646 Add splitter to perform EH return after reload.
1648 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1650 * jump.c (mark_jump_label): Tidy previous change.
1652 2001-05-19 Bruce Korb <bkorb@gnu.org>
1654 * fixinc/genfixes: no need for two warnings
1655 * fixinc/Makefile.in: open stdin for those building with a closed one.
1657 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1659 * jump.c (jump_optimize_1): Tidy.
1660 (mark_jump_label): When changing the label in a LABEL_REF, change
1661 update any REG_EQUAL notes as well.
1663 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1665 * c-parse.in (parm_declarator): Split into
1666 parm_declarator_starttypename and parm_declarator_nostarttypename.
1667 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1668 New. Allow parenthesised sub-declarators which don't begin with a
1669 TYPENAME. Fixes PR c/166.
1671 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1673 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1675 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1677 * toplev.c (main): If the target does not allow profiling without
1678 a frame pointer, issue an error message.
1679 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1682 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1684 * recog.c (general_operand): Modify last change to allow it if reload
1687 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1689 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1690 subregs containing mem.
1692 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1694 * regrename.c (regrename_optimize): frame pointer register can
1697 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1699 * README.DWARF: Move into dwarfout.c.
1701 2001-05-18 Dale Johannesen <dalej@apple.com>
1703 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1704 specific misuse of r0 as a reload address.
1706 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1708 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1711 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1713 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1714 (add_to_sequence): Make that decision type.
1715 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1716 (write_switch, write_cond, debug_decision_2): Likewise.
1718 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1720 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1723 2001-05-18 Stan Shebs <shebs@apple.com>
1725 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1726 * configure: Regenerate.
1728 2001-05-18 Per Bothner <per@bothner.com>
1730 Changes needed for java/jvspec.c
1731 * gcc.h (n_infiles, outfiles): Add declarations.
1732 * gcc.c (n_infiles, outfiles): Mske no longer static.
1734 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1736 * config/pa/som.h (EXCEPTION_SECTION): Define.
1738 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1740 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1742 Add have_location_lists, a variable to determine whether we need a
1743 .debug_loc section or not.
1744 (enum dw_val_class): Add dw_val_class_loc_list.
1745 (dw_val_struct): Add val_loc_list.
1746 (dw_loc_list_struct): New structure, represents location lists.
1747 (new_loc_list): New function, return a new location list, given
1748 the range and location expression.
1749 (add_loc_descr_to_loc_list): New function, add a location
1750 expression to a location list, given the expression and range.
1751 (output_loc_list): New function, output a location list.
1752 (gen_internal_sym): Modified to take symbol prefix, so we can
1753 reuse it for location list symbols.
1754 (add_AT_loc_list): New function, add a location list to a DIE at
1755 the named attribute.
1756 (AT_loc_list): New function, return the location list reference
1757 for a given attribute, if it's a location list.
1758 (print_die): Handle dw_val_class_loc_list.
1759 (size_of_die): Ditto.
1760 (value_format): Ditto.
1761 (output_die): Ditto.
1762 (output_location_lists): New function, output all of the location
1763 lists for a DIE and it's children.
1764 (dwarf2out_finish): Call output_location_lists if we have location
1768 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1770 * gcse.c (try_replace_reg): First try global replace, later try to
1771 simplify the expression.
1773 * gcse.c (find_used_regs): Change calling convention; work via
1775 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1777 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1780 2001-02-09 Nick Clifton <nickc@redhat.com>
1781 * config/arm/arm.md: Change output constraint on post inc
1782 load/store multiple patterns to be a read/write constraint.
1784 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1786 * basic-block.h (struct basic_block_def): Add documentation about
1787 what a basic block is, and what the various fields are used for.
1788 * flow.c (calculate_globlal_regs_live): Add documentation about
1789 how the algorithm works, and how we know that it will terminate.
1790 Check that the the inductive assumption that guarantees
1791 termination actually holds.
1792 (mark_used_regs): Treat conditionally set registers as used.
1793 (debug_regset): Add comment.
1794 * rtl.texi (cond_exec): Add documentation.
1796 * function.c (expand_function_start): Avoid creating BLKmode
1799 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1801 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1802 DIE, even if it has no children.
1803 (dwarf2out_finish): Always output the line-number table, even if
1806 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1808 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1810 2001-05-17 Bruce Korb <bkorb@gnu.org>
1812 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1813 * fixinc/genfixes: emit a warning if AutoGen is out of date
1815 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1816 Bruce Korb <bkorb@gnu.org>
1818 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1819 found in fixinc directory. Facilitates binary distributions.
1821 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1823 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1826 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1828 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1830 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1832 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1833 (simplify_subreg): Handle complex types represented as CONCAT.
1835 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1836 * rtl.h (swap_commutative_operands_p): Declare.
1837 * rtlanal.c (swap_commutative_operands_p): New.
1838 (operand_preference): New static function.
1840 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1841 (gen_binary): Likewise.
1842 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1843 * simplify-rtx.c (simplify_gen_binary,
1844 simplify_gen_relational): Likewise.
1846 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1848 * cse.c (fold_rtx): Use simplify_subreg.
1850 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1851 (simplify_gen_subreg): New.
1852 (simplify_rtx): Use simplify_subreg.
1853 * rtl.h (simplify_gen_subreg): Declare.
1855 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1857 * doc/install.texi: Update Solaris information.
1859 * except.h (protect_cleanup_actions): Remove it.
1860 (lang_protect_cleanup_actions): Declare it.
1861 * except.c (protect_cleanup_actions): Remove it.
1862 (lang_protect_cleanup_actions): New variable.
1863 (init_eh): Don't make protect_cleanup_actions a GC root.
1864 (expand_eh_region_and_cleanup): Call
1865 lang_protect_cleanup_actions.
1866 (output_function_exception_table): Remove unused `align'
1868 * varasm.c (assemble_external): Abort if we have not yet
1869 opened the assembly output file.
1871 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1873 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1874 for eh_personality_libfunc.
1876 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1878 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1879 when calling simplify_subreg. This is needed to allow replacing
1880 of expression of one mode by expression of different mode.
1882 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1884 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1886 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1888 * expr.c (protect_from_queue): Protect against subsequent calls to
1890 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1893 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1895 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1897 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1899 * gccbug.in (CATEGORIES): Add "bootstrap".
1901 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1903 * simplify-rtx.c (simplify_subreg): Break out from ...
1904 * combine.c (combine_splify_rtx) ... here and ...
1905 * recog.c (validate_replace_rtx_1): ... here;
1906 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1907 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1908 (subreg_lowpart_p): ... here.
1910 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1912 * stmt.c (expand_asm_operands): For inout operands, make sure
1913 the substitution of '=' for '+' makes it into the rtl.
1915 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1916 (reload_as_needed): Call update_eliminable_offsets a bit later.
1918 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1920 * gcc.texi (gccbug): Refer to the web pages for detailed information
1923 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1925 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1927 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1928 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1929 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1930 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1931 * cross-make: Don't set LIBGCC1.
1932 * mklibgcc.in: Delete all code for building from libgcc1.c.
1933 Always honor LIB1ASMFUNCS if set.
1935 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1936 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1937 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1938 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1939 config/i386/uwin.asm, config/m68hc11/larith.asm,
1940 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1941 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1942 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1943 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1944 Delete or update references to libgcc1 in commentary.
1946 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1947 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1948 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1949 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1950 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1951 config/arm/t-semi, config/arm/t-strongarm-coff,
1952 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1953 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1954 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1955 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1956 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1957 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1958 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1959 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1960 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1961 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1962 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1963 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1964 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1965 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1966 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1967 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1968 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1969 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1970 config/mips/t-ultrix, config/mn10200/t-mn10200,
1971 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1972 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1973 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1974 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1975 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1976 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1977 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1978 config/sparc/t-sparclite, config/sparc/t-splet,
1979 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1980 config/sparc/t-vxsparc64, config/v850/t-v850:
1981 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1983 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1984 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1985 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1986 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1987 nongcc_SI_type, nongcc_word_type, or perform_*
1988 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1990 * config/i386/386bsd.h, config/i386/beos-elf.h,
1991 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1992 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1993 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1994 Don't include i386/perform.h.
1996 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1997 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1998 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1999 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2000 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2001 config/vax/t-openbsd, config/vax/t-vax: Delete.
2003 * config.gcc: Remove references to deleted files.
2004 (arm-semi-aof): Use arm/t-semi for tmake_file.
2006 * gcc.texi, install.texi, invoke.texi, tm.texi:
2007 Delete or rewrite text which is no longer relevant now that
2008 libgcc1 no longer exists.
2010 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2011 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2013 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2014 Bruce Korb <bkorb@gnu.org>
2016 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2019 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2021 * i386.md: Add two peepholes to clean up code generated by
2024 2001-05-16 Richard Henderson <rth@redhat.com>
2026 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2027 variants of non-absolute encodings.
2029 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2031 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2032 __register_frame_info_table_bases): Export.
2034 2001-05-16 Richard Henderson <rth@redhat.com>
2036 * except.c (eh_data_format_name): Move to ...
2037 * dwarf2asm.c: ... here. Use designated initializers if available.
2038 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2039 * dwarf2asm.h: Update declarations.
2040 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2041 ASM_PREFERRED_EH_DATA_FORMAT.
2042 (output_call_frame_info): Likewise. Use 'L' augmentation for
2045 * unwind-dw2-fde.h (struct fde_vector): New.
2046 (struct old_object): Rename from struct object.
2047 (struct object): New.
2048 (__register_frame_info_bases): Declare.
2049 (__register_frame_info_table_bases): Declare.
2050 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2051 * unwind-dw2-fde.c (objects): Remove.
2052 (unseen_objects, seen_objects): New.
2053 (__register_frame_info_bases): New.
2054 (__register_frame_info): Use it.
2055 (__register_frame_info_table_bases): New.
2056 (__register_frame_info_table): Use it.
2057 (__deregister_frame_info): Rewrite for changed object struct.
2058 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2059 (fde_unencoded_compare): Rename from fde_compare; uninline.
2060 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2061 (start_fde_sort): Adjust for new definition of fde_vector.
2062 (fde_insert): Likewise.
2063 (end_fde_sort): Likewise. Select comparison function based
2064 on properties of the object.
2065 (fde_split): Take object and fde_compare_t arguments.
2066 (frame_heapsort, fde_merge): Likewise.
2067 (classify_object_over_fdes): Rename from count_fdes. Handle
2068 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2070 (add_fdes): Handle encoded pointers.
2071 (init_object): Rename from frame_init. Update for new struct object.
2072 (linear_search_fdes): Rename from search_fdes. Handle encoded
2074 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2075 (binary_search_single_encoding_fdes): New.
2076 (binary_search_mixed_encoding_fdes): New.
2077 (search_object): New.
2078 (_Unwind_Find_FDE): Update for new struct object. Fill in
2080 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2081 iterating over EH data.
2082 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2083 fde_encoding, lsda_encoding.
2084 (read_uleb128, read_sleb128): Remove.
2085 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2086 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2087 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2089 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2091 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2093 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2094 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2095 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2096 cpp_spell_token, cpp_output_token): Similarly.
2097 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2098 do_pragma_poison, parse_assertion, do_assert): Similarly.
2099 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2100 save_parameter, _cpp_create_definition, check_trad_stringification,
2101 cpp_macro_definition): Similarly.
2102 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2103 * c-lex.c (cb_undef, c_lex): Similarly.
2104 * fix-header.c (recognized_function): Similarly.
2105 * cpplib.h (NODE_LEN, NODE_NAME): New.
2106 (cpp_hashnode): Rename length len.
2108 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2110 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2113 2001-05-16 Andreas Jaeger <aj@suse.de>
2115 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2117 * toplev.c: Include dwarf2asm.h for prototype of
2118 dw2_output_indirect_constants.
2120 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2122 * stmt.c (expand_asm_operands): Be able to offload addressof
2123 expression to memory. (PR optimization/185)
2125 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2127 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2128 applying distributive law.
2130 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2132 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2134 * gthr-dce.h (UNUSED): Attribute unused macro.
2135 (__gthread_key_dtor): Make arguments UNUSED.
2136 (__gthread_key_delete): Revise for compatibility with DRAFT4
2139 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2141 * doc/install.texi: Update AIX information.
2142 * README.RS6000: Remove obsolete file.
2144 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2145 Nathan Sidwell <nathan@codesourcery.com>
2147 * gcc.c (give_switch): Don't write before start of string.
2148 Always append suffix.
2150 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2152 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2155 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2157 * README.ALTOS: Remove obsolete file.
2159 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2161 * c-lex.h (save_and_forget_protocol_qualifiers,
2162 forget_protocol_qualifiers, remember_protocol_qualifiers):
2163 Remove deleted functions' prototypes.
2165 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2167 * c-parse.in (methodtype): New production.
2168 (methoddef, methodproto): Collapse separate '-' and '+'
2171 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2173 * c-common.h (RID_FIRST_PQ): New.
2174 * c-parse.in (objc_pq_context): New.
2175 (objc parser): Set objc_pq_context rather than calling
2176 remember_protocol_qualifiers and forget_protocol_qualifiers.
2177 Don't call save_and_forget_protocol_qualifiers.
2178 (yylexname): Handle objc protocol qualifiers here.
2179 * stringpool.c (struct str_header): Replace with sp_hashnode.
2180 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2181 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2182 Allocate an IDENTIFIER_NODE for each identifier.
2183 (FORALL_STRINGS, set_identifier): Delete.
2184 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2185 (ggc_alloc_string): Use an obstack.
2186 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2187 * tree.h: Update comments.
2188 (set_identifier): Delete.
2189 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2190 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2191 remember_protocol_qualifiers): Delete.
2193 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2195 * flow.c (life_analysis): After life analysis is complete, do
2196 an optional scan over insns looking for REG_LABEL notes that
2197 reference a deleted label.
2198 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2199 before peeking at LABEL_NUSES.
2201 2001-05-15 Richard Henderson <rth@redhat.com>
2203 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2204 (_Unwind_GetTextRelBase): New.
2206 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2208 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2210 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2212 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2213 so that CHOOSE_SECTION gets used.
2215 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2216 TARGET_RELOCATABLE like flag_pic for now.
2218 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2220 * rs6000.md (movdi splitter): Sign extend more efficiently.
2221 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2222 to "long long" valid on 32-bit and 64-bit hosts.
2223 (logical_operand): Cast trunc_int_for_mode return value.
2224 (rs6000_emit_move): Shift macro to encapsulate variable.
2225 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2226 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2227 plus_constant requires signed argument.
2229 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2231 * gthr-posix.h: Make additional pthread-* functions weak.
2233 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2235 * recog.c (apply_change_group): Avoid unneeded validating.
2237 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2239 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2240 (num_insns_constant): CONST_INT can be 64-bits.
2242 2001-05-14 Stan Shebs <shebs@apple.com>
2244 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2245 (LIBGCC_SPEC): Don't define.
2247 2001-05-14 Richard Henderson <rth@redhat.com>
2249 * configure.in (gcc_cv_as_eh_frame): New test.
2250 * config.in, configure: Rebuild.
2251 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2253 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2255 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2256 extended precision divide.
2258 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2260 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2261 for RETURNS as well.
2263 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2265 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2266 (CPP_CPU??_SIZE_TYPE): New.
2267 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2268 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2269 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2270 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2272 * i386.c (override_options): Add sorry about not suported modes.
2274 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2276 * config/pa/som.h (NM_FLAGS): Remove.
2277 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2278 (ASM_OUTPUT_SECTION_NAME): Remove.
2279 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2281 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2283 * regrename.c (regrename_optimize): Do not rename registers to
2286 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2288 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2289 contain MEMs. Remove useless distinction about clobbering
2292 2001-05-13 Geoff Keating <geoffk@redhat.com>
2294 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2295 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2296 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2297 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2298 (EXCEPTION_SECTION): Define.
2300 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2302 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2303 binary backward compat only.
2304 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2305 in LIB2FUNCS. Pass it to mklibgcc.
2306 * mklibgcc.in: Handle LIB2FUNCS_ST.
2308 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2310 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2312 * tm.texi (THREAD_MODEL_SPEC): Document it.
2313 * gcc.c (main): Use it.
2314 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2315 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2317 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2319 * rtl.h (SYMBOL_REF_WEAK): New macro.
2320 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2321 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2322 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2323 * gcc.texi: Remove wrong description.
2325 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2327 * Makefile.in (STAMP): New macro.
2328 Replace all uses of `touch' with $(STAMP).
2329 * fixinc/Makefile.in: Likewise.
2331 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2333 * configure.in: ldopen is never in -lexc, so don't test for it.
2334 Add test for exc_resume in -lexc for Ada.
2335 * configure: Regenerated.
2337 2001-05-12 Richard Henderson <rth@redhat.com>
2339 * dwarf2asm.c (size_of_encoded_value): New function.
2340 * dwarf2asm.h: Declare it.
2341 * except.c (output_function_exception_table): Align the TType
2342 array only as wide as the encoding.
2344 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2346 * extend.texi: Document #pragma GCC java_exceptions.
2348 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2350 * c-parse.in (bison parser, init_reswords): Remove uses of
2352 * c-tree.h (doing_objc_thang): Remove.
2354 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2356 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2357 about files not ending in newlines.
2359 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2361 * dwarfout.c (dwarfout_init): Add cast.
2362 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2363 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2365 * method.c (build_mangled_C99_name): Remove unused prototype.
2367 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2369 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2371 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2373 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2374 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2376 2001-05-11 Richard Henderson <rth@redhat.com>
2378 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2379 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2380 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2381 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2382 (dw2_output_indirect_constants): Prototype.
2383 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2384 current_function_func_begin_label if we'll need it for EH. Exit
2385 early for IA64_UNWIND_INFO.
2386 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2387 (eh_data_format_name): Update for indirect references.
2388 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2389 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2390 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2391 define HAVE_eh_return etc.
2392 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2393 (final_end_function): Don't call output_function_exception_table.
2394 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2395 (rest_of_compilation): Invoke output_function_exception_table
2396 for ia64 before assemble_end_function.
2397 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2398 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2400 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2401 * unwind.h: Declare them.
2402 * libgcc-std.ver: Export them.
2403 * unwind-pe.h: New file.
2405 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2407 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2409 (find_fde_for_dso): Extract DT_PLTGOT.
2410 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2411 the segment and gp as well.
2412 * config/ia64/frame-ia64.c: Remove file.
2413 * config/ia64/frame-ia64.h: Remove file.
2414 * config/ia64/unwind-ia64.c: New file.
2415 * config/ia64/unwind-ia64.h: New file.
2416 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2417 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2418 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2419 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2420 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2421 (IA64_UNWIND_INFO): Re-enable.
2422 (HANDLER_SECTION): Remove.
2423 (EH_RETURN_DATA_REGNO): New.
2424 * config/ia64/ia64.md (exception_receiver): Remove.
2425 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2426 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2428 2001-05-11 Richard Henderson <rth@redhat.com>
2430 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2431 calls and jumps to be bundled together.
2432 (ia64_reorg): Emit a break after a noreturn call that ends
2434 * config/ia64/ia64.md (break_f): New.
2436 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2438 * c-lex.c (lex_charconst): Convert into a simple wrapper
2439 around cpp_interpret_charconst, to which most of the code
2441 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2442 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2443 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2444 (lex): Use cpp_interpret_charconst.
2445 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2446 hex_digit_value): New functions.
2447 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2448 * cpplib.h (cpp_interpret_charconst): New prototype.
2449 * Makefile.in: Update.
2451 2001-05-12 Dean Wakerley <dean@wakerley.com>
2453 * doc/install.texi: New file. Converted to texinfo from the HTML
2454 documentation in wwwdocs/htdocs/install.
2456 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2458 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2459 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2461 * toplev.c (compile_file): Move comment for opening output
2462 file to just before the code that opens the output file.
2464 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2466 * regmove.c (regmove_optimize): Suppress the optimization for
2467 unchanging destination register. Add comment above function.
2469 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2471 * Makefile.in: Exterminate all references to assert.h.
2472 * cross-make: Likewise.
2474 * configure.in: Correct commentary.
2475 * configure: Regenerate.
2477 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2480 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2481 config/t-netbsd, config/t-rtems, config/x-linux,
2482 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2483 No need to override INSTALL_ASSERT_H.
2485 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2486 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2487 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2489 2001-05-11 Graham Stott <grahams@redhat.com>
2491 * combine.c (simplify_comparison): Fix typo.
2493 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2495 * loop.h (struct movables): Remove `num'.
2496 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2497 Adjust call to strength_reduce.
2498 (num_unmoved_movables): New function.
2499 (move_movables): Don't set movables->num.
2500 (strength_reduce): Compute the number of instructions in the loop
2501 here, rather than in the caller.
2502 (check_dbra_loop): Always clear reversible_mem_store if there
2503 are any memory sets.
2504 (loop_regs_scan): Don't count instructions here.
2505 (count_insn_in_loop): New function.
2507 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2509 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2511 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2513 * c-common.c (finish_label_expr): New function, lifted from
2514 from cp/semantics.c.
2515 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2516 * c-parse.in: Move 3 blocks of parser code into new functions.
2517 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2518 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2519 (lookup_label): Remove.
2521 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2523 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2524 FLOAT_BIT_ORDER_MISMATCH.
2526 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2528 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2529 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2531 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2533 * expr.c (emit_group_load): extract_bit_field requires a REG or
2536 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2538 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2539 a computed jump into an unconditional jump.
2540 In second hunk of code for collapsing computed and conditional jumps
2541 into unconditional jumps, reemit the jump in additional cases.
2543 * jump.c (jump_optimize_1): Do not wrap the new jump target
2544 inside a LABEL_REF; gen_jump will do that automatically.
2546 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2548 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2549 contents for a SYMBOL_REF in case of floating point constants.
2551 2001-05-10 DJ Delorie <dj@redhat.com>
2553 * c-common.c (combine_strings): Widen strings in a
2554 host-endian-independent way.
2556 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2558 * c-parse.in: Remove many shift/reduce conflicts. Update
2560 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2561 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2562 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2563 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2564 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2565 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2566 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2567 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2568 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2569 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2570 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2571 typespec_reserved_nonattr, typespec_reserved_attr,
2572 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2573 structsp_nonattr, components_notype, component_notype_declarator,
2574 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2575 firstparm, setspecs_fp): New
2576 (typed_declspecs, reserved_declspecs, typed_typespecs,
2577 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2578 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2579 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2580 type_quals): Remove. Users updated.
2581 (initdecls, notype_initdecls, after_type_declarator,
2582 parm_declarator, notype_declarator, absdcl1, components, ivars):
2583 Don't allow attributes at the start of a declarator; include them
2584 in the production containing the declarator instead. Always
2585 require type specifiers before trying to redeclare a typedef name.
2586 (typename): Allow for attributes but warn that they are ignored.
2587 (parmlist, firstparm, setspecs_fp): Include attributes in
2588 parmlist; suck them off the parser stack in firstparm using
2591 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2593 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2594 to determine if a block has an unconditional jump at its end.
2596 * jump.c (jump_optimize_1): When converting a conditional jump
2597 to an unconditional jump, build the jump using gen_jump instead
2598 of just modify operands in-place.
2600 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2602 * cppinit.c (cpp_post_options): Shut off macro expansion if
2604 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2605 IN_I directives only if the # is in column 1 and the directive
2606 name begins in column 2.
2607 * cppmain.c (scan_buffer): Insert a space between # and an
2608 identifier, when that identifier is a directive name.
2610 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2611 in the header search path.
2612 (enum node_type): Add T_INCLUDE_NEXT.
2613 (directive_table): Add entry for include_next.
2614 (do_include_next): New function.
2615 (process_include): New routine, broken out of do_include.
2616 (finclude): Insert 'nhd' argument, to be copied into
2617 next_header_dir of the new buffer.
2618 (main): Adjust to match.
2619 * gsyslimits.h, limity.h: Un-indent #include_next.
2621 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2623 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2624 inclusion as a chapter of the GCC manual.
2625 * gcc.texi: Include objc.texi.
2626 * fdl.texi: Use @unnumberedsec for the addendum.
2627 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2629 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2631 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2633 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2635 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2636 handling of two-address insns.
2638 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2640 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2641 ../binutils/nm-new instead of ../binutils/nm.
2643 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2645 * i386.md (movdi splitter): Fix the splitting condition
2646 (float_extenddftf splitter): Fix mode.
2648 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2650 * genrecog.c (write_switch): Avoid outputting of switch for
2651 types wider than int.
2653 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2655 * reload1.c (copy_eh_notes): New function.
2656 (emit_input_reload_insns): Call it.
2657 (emit_output_reload_insns): Call it.
2659 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2661 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2663 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2664 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2666 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2668 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2670 * pa.md (interspace_jump): Revise comment.
2671 (builtin_longjmp): Block initial setup insns from delay slot of
2673 (builtin_setjmp_receiver): New expander to save and restore PIC
2676 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2678 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2680 * toplev.c (compile_file): Set up the output file before we call
2681 the various initializers for the compiler.
2683 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2684 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2686 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2687 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2689 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2691 * Makefile.in (tradcpp0): Correct typo in dependency list.
2693 2001-05-06 Geoff Keating <geoffk@redhat.com>
2695 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2696 the link register if we're not going to use it.
2698 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2699 (output_function_profiler): Likewise.
2701 2001-05-07 Alan Modra <amodra@one.net.au>
2703 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2705 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2707 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2708 zero-extend it. Make abs_inc unsigned.
2710 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2711 widest mode in narrowing and widening operations.
2713 * config/mips/mips.md: Sign extend CONST_INTs.
2715 2001-05-06 Andreas Jaeger <aj@suse.de>
2717 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2718 (i386 Options): Document -momit-leaf-frame-pointer.
2720 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2722 * c-typeck.c (internal_build_compound_expr): Check for
2723 array to pointer conversion just once.
2725 2001-05-05 Richard Henderson <rth@redhat.com>
2727 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2729 2001-05-05 Richard Henderson <rth@redhat.com>
2731 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2732 to the parent of the fixup region.
2734 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2736 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2738 * cpp.texi (__NO_INLINE): Document it.
2740 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2742 * cppfiles.c (struct include_file): New member err_no.
2743 (find_or_create_entry): Set it.
2744 (open_file): Don't set fds to -2. Instead, use err_no to
2745 remember previous errors, if any.
2747 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2749 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2750 between X and Y by using sequences of xgdx and xgdy.
2752 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2754 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2755 of '!' for the 'D' alternative ('!' is too strong).
2756 ("*logicalsi3_silshl16"): Likewise.
2757 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2758 ("movstrictsi"): Remove spurious '+'.
2759 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2760 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2761 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2764 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2766 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2768 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2770 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2773 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2775 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2778 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2780 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2781 soft register, use ror instead of rol.
2783 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2785 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2786 into account pre/post increment decrement for 68HC12.
2787 Fix other problems in replacement and fix call to reg_mentioned_p.
2789 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2791 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2792 Put the soft registers in bss for 68HC12.
2793 (L_regs_d3_4): New for _.d3 and _.d4.
2794 (L_regs_d5_6): Likewise.
2795 (L_regs_d1_2): Likewise.
2796 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2798 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2800 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2801 to the pre-processor when -fshort-double is specified.
2802 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2804 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2806 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2807 (__mulsi3): Rewrite for 68HC12.
2808 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2809 Mark 'x' constraint with earlyclobber to prevent a
2810 RELOAD_FOR_OTHER_ADDRESS to go in it.
2811 (mulhi3_m68hc12): New pattern.
2812 (mulhi3_m68hc11): Rename of mulhi3.
2813 (mulhi3): New expand for 68HC12 optimisation.
2814 (umulhisi3, mulhisi3): New patterns for 68HC12.
2816 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2818 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2819 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2820 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2822 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2824 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2825 constants cheap after reload.
2826 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2828 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2829 so that gcc prefers a shift by 16.
2830 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2832 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2834 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2836 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2838 * alpha.h: NULL_PTR -> NULL.
2845 * i386.md: Likewise.
2848 * m68hc11.h: Likewise.
2849 * rs6000.h: Likewise.
2852 * sparc.h: Likewise.
2856 * final.c: Likewise.
2858 * recog.c: Likewise.
2860 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2862 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2863 `bool' parameter to `int'.
2865 * hash.c (hash_lookup): Likewise.
2867 * hash.h (hash_lookup): Likewise.
2869 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2871 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2873 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2875 2001-05-03 Geoff Keating <geoffk@redhat.com>
2877 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2878 -malign-loops, -malign-functions.
2879 * i386.c (ix86_align_funcs): Delete.
2880 (ix86_align_loops): Delete.
2881 (ix86_align_jumps): Delete.
2882 (override_options): Mark -malign-* as obsolete. Emulate their
2883 behaviour with the -falign-* options. Default -falign-* from
2884 the processor table.
2885 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2886 patch of Wed May 2 13:09:36 2001.
2887 (LOOP_ALIGN): Delete.
2888 (LOOP_ALIGN_MAX_SKIP): Delete.
2889 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2890 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2892 2001-05-04 Andreas Jaeger <aj@suse.de>
2894 * except.h: Add prototype declaration for
2895 expand_builtin_init_dwarf_reg_sizes.
2897 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2899 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2901 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2903 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2905 ("bitcmpqi2"): New pattern for bit-extract and test.
2906 ("bitcmphi"): New pattern for bitb/bita instructions.
2908 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2910 * gccbug.in: Use a temporary directory when the mktemp command is
2913 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2915 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2917 (INITIALIZE_TRAMPOLINE): Call it.
2918 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2919 (TRAMPOLINE_TEMPLATE): Remove.
2920 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2921 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2924 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2926 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2927 and crtendS.o with PIC.
2929 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2931 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2933 (___subdi3, ___adddi3): Use x instead of y as index register.
2934 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2935 (__memset, __memcpy): Likewise.
2936 (regs): Put the soft registers in bss for 68HC12.
2937 (abort): Use trap to abort for 68hc12.
2938 (__mulhi3, __mulhi32): Use emul for 68hc12.
2939 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2941 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2943 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2944 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2945 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2946 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2947 Set 68HC12 min offset to -65536.
2948 (print_operand): Put parenthesis arround the operand if it refers
2949 to a symbol having the same name as a register.
2950 (m68hc11_z_replacement): When z register is replaced by its
2951 equivalent soft register, force the insn to be re-recognized.
2952 (m68hc11_check_z_replacement): Fix the test when destination is
2953 the index register and z dies in the insn.
2954 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2956 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2958 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2959 costs according to processor variant.
2960 (m68hc11_shift_cost): New function to compute shift costs.
2961 (m68hc11_rtx_costs): Define costs according to processor variant.
2962 (m6811_cost): Costs for 68HC11.
2963 (m6812_cost): Costs for 68HC12.
2964 (COSTS_N_INSNS): Remove.
2966 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2967 (DEFAULT_RTX_COSTS): Remove.
2968 (CONST_COSTS): Define costs according to OUTER_CODE.
2969 (processor_costs): New struct to define costs.
2970 (m68hc11_cost): Pointer to current costs.
2972 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2974 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2975 and use m68hc11_notice_keep_cc when using leax/leay.
2976 (addhi3 split): Reject split if the insn is handled by
2978 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2979 push must be handled in a special way if the source operand uses
2980 sp as index register.
2981 (m68hc11_notice_keep_cc): New function.
2982 (m68hc11_gen_movhi): Use it when an insn changes a register but
2984 (m68hc11_gen_movqi): Fix move for 68HC12.
2985 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2987 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2989 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2990 and don't pass operands[0] to emit_library_call_value.
2992 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2994 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2995 (zero_extendsi split): Simplify and use (zero_extendhi).
2996 (*addhi3): Remove 'w' constraint since stack pointer is handled
2998 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2999 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3000 (*ashrhi3_const): Fix shift by 7.
3001 (*lshrsi3_const16): Fix template.
3002 (call, call_value): Fix constraint and predicate.
3004 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3006 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3007 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3008 (CC_REGNUM): Likewise.
3009 (*unnamed splits): Use above constants instead of hard coded numbers.
3010 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3011 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3012 (*return_16bit, *unnamed peepholes): Likewise.
3014 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3016 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3017 rs6000/rs6000.h twice.
3019 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3021 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3022 (CPP_SPEC): Conditionally define MSDOS and GO32.
3023 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3024 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3026 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3028 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3030 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3032 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3034 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3035 * integrate.c (expand_inline_function): Use xcalloc to allocate
3037 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3040 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3042 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3045 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3047 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3048 linker if -mrelax is given.
3049 (TARGET_SWITCHES): Document -mrelax.
3051 Re-installed 2001-01-09's patch:
3052 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3053 if it's wider than long and the target's long is wider than the
3056 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3058 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3059 directly include rs6000/rs6000.h. Instead do it in tm.h.
3061 2001-05-02 Stan Shebs <shebs@apple.com>
3063 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3064 NSConstantString for NeXT-style runtimes.
3065 (STRING_OBJECT_GLOBAL_NAME): New macro.
3066 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3067 OCTI_STRING_CLASS_DECL.
3068 (constant_string_global_id): New macro.
3069 (string_class_decl): Ditto.
3070 (setup_string_decl): New function.
3071 (build_objc_string_object): Use it to build a NeXT runtime
3072 compatible string initializer.
3074 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3076 * tradcpp.c (do_define): Make sure we don't walk past limit.
3078 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3080 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3081 offsets if not REG_OK_STRICT.
3083 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3084 (INT_REG_OK_FOR_INDEX_P): Likewise.
3085 (INT_REG_OK_FOR_BASE_P): Likewise.
3086 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3087 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3088 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3089 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3090 REG_OK_FOR_BASE_P. Take an additional parameter.
3091 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3092 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3093 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3094 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3095 rs6000_legitimate_address() and use it.
3096 * config/rs6000/rs6000.c: Update all callers.
3097 (rs6000_legitimate_address): New function.
3099 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3101 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3102 special_constant conditional blocks together.
3104 2001-05-02 Dale Johannesen <dalej@apple.com>
3106 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3108 (STRICT_ARGUMENT_NAMING): Define.
3109 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3110 function_arg_partial_nregs, setup_incoming_varargs): Remove
3111 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3114 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3116 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3118 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3121 * expr.c (store_field): Do nothing except elaborate side-effects if
3124 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3126 * c-lex.c: NULL_PTR -> NULL.
3128 * emit-rtl.c: Likewise.
3130 * genpeep.c: Likewise.
3132 * mips-tdump.c: Likewise.
3133 * reload1.c: Likewise.
3134 * rtlanal.c: Likewise.
3136 * stor-layout.c: Likewise.
3137 * toplev.c: Likewise.
3139 2001-05-01 Per Bothner <per@bothner.com>
3141 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3142 call do_pending_stack_adjust before emiting label.
3144 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3146 * extend.texi: Fix typo.
3148 2001-05-01 Stan Shebs <shebs@apple.com>
3150 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3151 of UOBJC_MODULES_decl.
3152 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3153 (generate_descriptor_table): Ditto.
3154 (generate_protocols): Ditto.
3155 (generate_protocol_list): Ditto.
3156 (generate_classref_translation_entry): Ditto.
3158 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3160 * invoke.texi (Optimize Options): Add documentation for `--param
3161 max-delay-slot-insn-search' and `--param
3162 max-delay-slot-live-search' and reorder --param section.
3163 * params.def: Modify initial comment.
3164 * params.h (param_info): Add `help' member.
3165 * toplev.c (lang_independent_params): Include `help' description.
3166 (display_help): Print --param parameters.
3168 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3170 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3171 Remove references to deleted files.
3172 (*-*-openbsd): No need to override xmake_file.
3173 (*-*-sysv4): Treat like *-*-sysv.
3175 * configure.in: Probe for ldopen in various places, and set up
3176 collect2 to be linked with them if found.
3177 Don't dink with Windows registry stuff unless $host_os is a
3178 Win32 os name. Check to see if we need -ladvapi32.
3179 * configure: Regenerate.
3181 * Makefile: Get rid of CLIB and HOST_CLIB.
3182 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3183 * build-make: Get rid of HOST_CLIB.
3185 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3186 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3187 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3188 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3189 config/rs6000/x-rs6000: Delete.
3191 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3194 24 x-host fragments remain, 0 x-cpu, 3 top level.
3196 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3198 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3199 * configure: Regenerate.
3201 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3203 * Makefile.in (install-headers): Remove redundant dependency.
3205 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3207 * c-tree.texi (USING_STMT): Document.
3209 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3211 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3212 * c-common.c: Likewise.
3213 * c-decl.c: Likewise.
3214 * combine.c: Likewise.
3215 * rs6000.c: Likewise.
3216 * except.c: Likewise.
3217 * explow.c: Likewise.
3219 * fold-const.c: Likewise.
3220 * function.c: Likewise.
3223 * integrate.c: Likewise.
3225 * objc/objc-act.c: Likewise.
3226 * recog.c: Likewise.
3227 * reg-stack.c: Likewise.
3228 * reload.c: Likewise.
3229 * reload1.c: Likewise.
3230 * simplify-rtx.c: Likewise.
3232 * varasm.c: Likewise.
3234 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3236 * diagnostic.def: New file.
3237 * diagnostic.h (diagnostic_t): New enum.
3238 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3240 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3242 * tsystem.h: Test only POSIX for availability of string.h
3244 * config.gcc (all systems): If USG appeared in xm_defines,
3245 change it to POSIX. If both USG and POSIX appeared, just
3246 delete USG. Remove unnecessary quotes around xm_defines
3248 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3249 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3250 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3251 powerpc-*-linux*): No need to set xm_defines - handled by
3252 global settings for *-*-linux*.
3254 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3256 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3257 Always include gstab.h, not system stab.h. Don't provide
3258 default definitions of N_CATCH or N_OPT. Always use the
3259 gstab.h variant of STAB_CODE_TYPE.
3260 * final.c: Don't include stab.h/gstab.h at all, or provide
3261 defaults for N_SLINE and N_SOL.
3263 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3264 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3266 * sdbout.c: Always include gsyms.h instead of system syms.h.
3268 * configure.in: No need to check for stab.h.
3269 * configure, config.in: Regenerate.
3270 * Makefile.in (final.o): Don't depend on gstab.h.
3272 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3273 Richard Henderson <rth@redhat.com>
3275 * extend.texi: Improve documentation of volatile asms.
3277 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3279 * c-tree.texi: Fix thinko.
3280 * gcc.texi: Likewise.
3282 2001-04-30 Richard Henderson <rth@redhat.com>
3284 * c-common.c (c_promoting_integer_type_p): New function, from the
3285 corpse of old macro. Properly promote too-small enumerations and
3286 booleans. Adjust all callers.
3287 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3288 (c_promoting_integer_type_p): Declare.
3289 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3290 * c-typeck.c: Likewise.
3291 (default_conversion): Remove now redundant boolean check.
3293 2001-04-30 Jan Hubicka <jh@suse.cz>
3294 Richard Henderson <rth@redhat.com>
3296 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3298 (combine_stack_adjustments_for_block): Don't combine stack
3299 allocation followed by deallocations. Handle grow-up stacks.
3301 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3303 * fdl.texi: New file.
3304 * c-tree.texi: Use the GFDL.
3305 * gcc.texi: Likewise.
3307 2001-04-30 Stan Shebs <shebs@apple.com>
3309 * invoke.texi: Add a section documenting Objective-C options.
3311 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3313 * emit-rtl.c (try_split): Copy EH notes to sequence.
3315 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3317 * regmove.c (record_stack_memrefs): Catch all references to the
3320 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3322 * Makefile.in (stmp-fixinc): quote shell assignment values
3324 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3326 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3330 * prefix.c: Likewise.
3332 2001-04-28 Stan Shebs <shebs@apple.com>
3334 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3335 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3336 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3337 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3339 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3340 (NEXT_OBJC_RUNTIME): Define.
3342 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3344 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3345 * simplify-rtx.c (simplify_gen_relational): Likewise.
3347 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3349 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3350 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3352 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3353 registers in SSE case; fix handling of the immediates.
3354 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3355 operands to be in regsiters before reload.
3356 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3357 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3358 (abstf,absxf,negtf,negxf splitters): Compute
3359 properly the regnum for x86_64.
3360 (avsdf2_if_rex64): New.
3362 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3364 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3365 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3366 into the constant pool.
3367 * jump.c (jump_optimize_1): Remove barrier successors after all
3368 the LABEL_NUSES counds have been computed.
3369 (delete_barrier_successors): When deleting a tablejump insn, also
3370 delete the jump table it uses.
3371 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3374 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3376 * pa.c (FRP): Remove erroneous white space in macro definition.
3378 2001-04-28 Andreas Jaeger <aj@suse.de>
3380 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3382 * extend.texi: Likewise.
3383 * tm.texi: Likewise.
3385 2001-04-28 Andreas Jaeger <aj@suse.de>
3387 * md.texi: Use XX-bit instead of XXbit or XX bit where
3390 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3392 * gcc.c (process_command): Allow -l lib in addition to -llib
3393 for POSIX compliance. This fixes PR c/2347.
3395 * invoke.texi: Update section on Link Options accordingly.
3397 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3399 * function.c (purge_addressof_1): Remove the duplicate
3400 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3403 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3405 * except.c (expand_eh_region_start): Don't start a new block.
3406 (expand_eh_region_end): Don't end a block.
3407 * stmt.c (expand_end_bindings): Don't end EH blocks.
3408 (expand_decl_cleanup): Starting an EH region won't change the block.
3409 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3410 (is_eh_region): Lose.
3413 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3415 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3417 * collect2.c (main): Add `-L' case to remove duplicate entries.
3418 (is_in_args): New function to check for a duplicate argument.
3419 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3420 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3421 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3422 Define to be nonzero.
3424 2001-04-27 Andreas Jaeger <aj@suse.de>
3425 Richard Henderson <rth@redhat.com>
3427 * md.texi (Machine Constraints): Document additional i386
3428 constraints and fix description of "A".
3430 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3432 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3434 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3436 * except.c (get_exception_filter): word_mode, not Pmode.
3438 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3440 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3441 common to other movsf patterns. Move up so that in future
3442 people who change the other patterns will change it too.
3443 (movsf_lo_sum): Allow even for soft-float; add appropriate
3445 (movsf_high): Likewise.
3446 (movsf_high+1): Allow even for soft-float.
3448 * function.c (expand_function_end): Always clobber the
3449 return registers, even if there is no return label.
3451 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3453 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3455 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3457 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3458 (pushqi2_rex64, pushhi2_rex64): Add.
3460 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3462 * except.c (expand_eh_region_end_cleanup): Force pending stack
3463 adjust before emitting label that branches around cleanup code.
3465 2001-04-26 H.J. Lu (hjl@gnu.org)
3467 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3469 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3471 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3472 (ASM_OUTPUT_SECTION_NAME): Likewise.
3473 (ASM_WEAKEN_LABEL): Likewise.
3474 (UNIQUE_SECTION): Likewise.
3475 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3476 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3477 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3478 (ASM_OUTPUT_SECTION_NAME): Likewise.
3479 (ASM_WEAKEN_LABEL): Likewise.
3480 (UNIQUE_SECTION): Likewise.
3481 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3482 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3483 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3484 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3485 (ASM_FILE_START): Likewise.
3486 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3487 (ASM_DECLARE_OBJECT_NAME): Likewise.
3488 (ASM_FILE_END): Likewise.
3489 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3490 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3491 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3492 (ASM_OUTPUT_CASE_LABEL): Likewise.
3493 (ASM_OUTPUT_SKIP): Likewise.
3494 (ASM_OUTPUT_ASCII): Likewise.
3495 (ASM_OUTPUT_IDENT): Likewise.
3496 (READONLY_DATA_SECTION): Likewise.
3497 (EXTRA_SECTIONS): Likewise.
3498 (EXTRA_SECTION_FUNCTIONS): Likewise.
3499 (SELECT_RTX_SECTION): Likewise.
3500 (SELECT_SECTION): Likewise.
3502 * config/mips/linux.h (INVOKE__main): Undefine.
3503 (CTOR_LIST_BEGIN): Likewise.
3504 (CTOR_LIST_END): Likewise.
3505 (DTOR_LIST_BEGIN): Likewise.
3506 (DTOR_LIST_END): Likewise.
3507 (SET_ASM_OP): Defined it to ".dummy".
3508 (ASM_OUTPUT_DEF): Defined.
3509 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3511 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3513 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3514 assembler supports .p2align.
3516 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3518 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3520 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3522 * integrate.c (expand_inline_function): Check for error_mark_node
3525 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3527 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3530 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3532 * configure.in (configargs.h): Define thread_model.
3533 * configure: Rebuilt.
3534 * gcc.c (main): Print it with -v.
3536 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3538 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3539 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3540 * gcc.1: Regenerate.
3542 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3544 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3545 is_redundant_typedef): Use static inline instead of inline static.
3547 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3549 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3550 this directory is always searched.
3552 2001-04-25 Richard Henderson <rth@redhat.com>
3554 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3555 of registers to restore along non eh_return path.
3557 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3559 * c-format.c (check_format_info_recurse): Handle
3560 PLUS_EXPR for format string.
3562 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3564 * config/ia64/ia64.h (CC1_SPEC): Define.
3565 * config/ia64/linux.h (CC1_SPEC): Define.
3567 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3569 * emit-rtl.c (constant_subword): Also do sign extension in
3570 BITS_PER_WORD == 16 case.
3572 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3574 * loop.c (try_swap_copy_prop): Go back to checking insn.
3576 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3578 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3579 if check_mode is non-zero.
3581 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3583 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3584 out and comparison sequence has been detected, put result into
3585 proper temporary pseudo.
3587 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3589 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3590 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3591 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3592 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3593 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3594 for future reference.
3596 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3598 * except.c (reachable_handlers): Step out one level from a RESX.
3600 * except.c (struct eh_region): Rename 'last' to 'resume'.
3601 (mark_eh_region, duplicate_eh_region_1): Adjust.
3602 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3603 (build_post_landing_pads): Likewise.
3604 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3605 (expand_eh_region_end_must_not_throw): Likewise.
3606 (connect_post_landing_pads): Thread (only) regions with non-deleted
3609 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3610 registers around the cleanup.
3611 (get_exception_filter): New fn.
3612 (finish_eh_generation): Use it.
3614 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3616 * c-semantics.c (add_scope_stmt): Don't call
3617 current_scope_stmt_stack multiple times.
3619 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3620 Nathan Sidwell <nathan@codesourcery.com>
3622 Lazy __FUNCTION__ generation.
3623 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3624 RID_C99_FUNCTION_NAME): New _RIDs.
3625 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3626 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3627 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3629 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3630 (c99_function_name_decl_node, function_name_decl_node,
3631 pretty_function_name_decl_node, saved_function_name_decls):
3633 (struct language_function): Remove x_function_name_declared_p.
3634 (make_fname_decl): Remove a parameter.
3635 (declare_function_names): Remove prototype.
3636 (start_fname_decls, finish_fname_decls): Prototype.
3637 (fname_as_string): Likewise.
3638 (fname_string, fname_decl): Likewise.
3639 * c-common.c (make_fname_decl): Adjust.
3640 (struct fname_var_t): New struct.
3641 (fname_vars): New static array.
3642 (declare_function_name): Remove.
3643 (start_fname_decls, finish_fname_decls): New functions.
3644 (fname_as_string): New function from remnants of
3645 declare_function_name.
3646 (fname_string, fname_decl): New functions.
3648 * c-decl.c (c_function_name_declared_p): Remove.
3649 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3650 don't call declare_function_name. Call start_fname_decls.
3651 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3652 clobber the line number. Call finish_decl.
3653 (start_function): Call start_fname_decls.
3654 (finish_function): Call finish_fname_decls.
3655 Remove c_function_name_declared_p.
3656 (push_c_function_context): Don't push c_function_name_declared_p.
3657 (pop_c_function_context): Don't pop c_function_name_declared_p.
3658 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3659 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3660 (program): Call finish_fname_decls for C.
3661 (primary): Add VAR_FUNC_NAME.
3662 (reswords): Add slots for __FUNCTION__ et al.
3663 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3664 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3665 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3666 * c-semantics.c (prune_unused_decls): Remove.
3667 (finish_stmt_tree): Don't call prune_unused_decls.
3668 (genrtl_decl_stmt): Don't prune unused decls here.
3670 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3672 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3673 constant pool, use the pool's SYMBOL_REF instead.
3675 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3678 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3680 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3681 passing nested NOP_EXPRs to fold.
3683 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3685 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3687 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3689 * loop.c (loop_delete_insns): Add prototype.
3691 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3693 * configure.in: Remove ENABLE_STD_NAMESPACE.
3694 * config.in: Regenerated.
3695 * configure: Regenerated.
3697 2001-04-22 Stan Shebs <shebs@apple.com>
3699 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3701 * config/rs6000/xm-darwin.h: Remove file.
3703 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3705 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3706 (write_c_file_stat): Likewise.
3708 * dbxout.c (dbxout_init): Likewise.
3710 * profile.c (output_func_start_profiler): Likewise.
3712 2001-04-22 Philipp Thomas <pthomas@suse.de>
3714 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3715 require it instead of the CVS version.
3716 * cpperror.c (v_message): Put a blank before the macro
3717 body to not confuse exgettext.
3719 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3721 * flow.c (proagate_one_insn): Remove useless assignment.
3722 * jump.c (delete_insn): Tidy.
3723 * loop.c (try_copy_prop): When deleting an instruction with a
3724 REG_RETVAL note, delete the entire libcall sequence.
3725 (loop_delete_insns): New function.
3726 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3727 we're not substituting into them yet.
3729 2001-04-21 Kazu Hirata <kazu@hxi.com>
3731 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3733 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3735 * config/i960/i960.c (signed_arith_operand): Likewise.
3737 * calls.c (expand_call): Fix a comment typo.
3739 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3741 * configure.in: Probe for times, clock, struct tms, and clock_t.
3742 * configure, config.in: Regenerate.
3743 * timevar.c: Replace ifdef forest in get_time with (relatively)
3744 straightforward series of checks based on autoconf's probes.
3746 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3748 * config/pa/som.h (NM_FLAGS): Define.
3750 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3752 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3754 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3755 * ia64.c (nop_cycles_until): New function.
3756 (prev_cycle, prev_first, last_issued): New static variables.
3757 (ia64_sched_reorder): Additional arg for clock.
3758 On final scheduling pass, emit extra NOPs as needed.
3759 Set prev_first and prev_cycle.
3760 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3761 (ia64_variable_issue): Set last_issued.
3763 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3765 * config/i386/i386.c (ix86_expand_int_movcc,
3766 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3768 2001-04-20 Geoff Keating <geoffk@redhat.com>
3770 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3771 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3772 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3773 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3774 ctrdi_internal6): In the short-branch case, this insn is only 4
3775 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3777 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3779 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3780 "=u" is used together with "st" resp. "st(1)" clobber.
3782 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3784 * gcse.c (gcse_main): Fix comment typo.
3785 (delete_null_pointer_check): Likewise.
3786 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3787 * cse.c (cse_insn): Likewise.
3788 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3791 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3793 * toplev.c: Excise all code for the undocumented -dm option.
3794 (float_signal): Call signal just once, unconditionally.
3796 2001-04-19 Geoff Keating <geoffk@redhat.com>
3798 * fold-const.c (fold): Use first_rtl_op rather than
3799 TREE_CODE_LENGTH when looping over parameters of a tree.
3800 Correct strange grouping in test for evaluated SAVE_EXPR.
3802 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3804 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3805 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3807 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3808 name at 32 total characters.
3809 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3810 functions in named sections -- data items can still go into unique
3811 sections, but they have normal names (ie $LIT$ and $DATA$).
3813 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3816 2001-04-19 DJ Delorie <dj@redhat.com>
3818 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3819 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3820 * config/i386/cygwin.h: Likewise.
3821 * config/i386/mingw32.h: Likewise.
3822 * config/vax/vms.h: Likewise.
3823 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3825 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3826 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3827 * config/i386/xm-cygwin.h: Likewise.
3828 * config/i386/xm-djgpp.h: Likewise.
3829 * config/i386/xm-mingw32.h: Likewise.
3830 * config/vax/xm-vms.h: Likewise.
3832 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3833 instead of OBJECT_SUFFIX.
3834 * collect2.c (find_a_file): Look for files matching the extension
3835 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3836 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3837 TARGET_EXECUTABLE_SUFFIX.
3838 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3839 (make_relative_prefix): Likewise.
3840 (convert_filename): Use TARGET_ suffixes throughout. Remove
3842 (process_command): Likewise.
3843 (do_spec_1): Likewise.
3844 * java/lang.c (init_parse): Likewise.
3846 * gcc.texi : Document four new options matching the pattern
3847 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3848 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3849 documentation for NO_AUTO_EXE_SUFFIX.
3851 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3853 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3854 that language-independent processing should not be done.
3855 * toplev.c (main): Adjust accordingly.
3857 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3858 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3860 * mips.md (reload_outputdi): Require that operand0 be a
3863 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3865 * invoke.texi (-Wshadow): Clarify.
3867 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3869 * loop.c (load_mems): Examine all the instructions in the loop
3870 before concluding that all jumps branch to the first instruction
3873 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3875 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3877 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3879 * cpp.texi (-Wwhite-space): Remove.
3880 (-Wall): -Wall does not imply -Wwhite-space.
3882 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3884 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3885 use it instead of blindly generating a .stabs.
3886 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3888 * xcoffout.c: Don't bother defining default for N_CATCH.
3889 (UNKNOWN_STAB): Use internal_error.
3890 (stab_to_sclass): Remove now-unnecessary aborts.
3891 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3893 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3895 * jump.c (mark_all_labels): Canonicalize the tail recursion
3896 label attached to CALL_PLACEHOLDER insns.
3898 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3900 * output.h (dump_flow_info, free_basic_block_vars,
3901 which_alternative): Delete redundant prototypes.
3903 * rtl.h (bss_section): Likewise.
3905 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3907 * dbxout.c (N_OPT): Define if not available from <stab.h>
3909 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3911 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3912 libraries and native K&R compilers.
3914 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3916 * c-typeck.c (convert_arguments): Don't check for width changes
3919 * invoke.texi (-Wtraditional): Update documentation.
3921 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3923 * toplev.c (output_lang_identify): Delete.
3924 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3925 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3926 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3927 after calling ASM_FILE_END.
3929 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3930 Instead, unconditionally emit an N_OPT stab with string equal
3931 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3933 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3935 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3936 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3937 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3938 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3939 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3940 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3941 config/i370/i370.h, config/i386/beos-elf.h,
3942 config/i386/osf1elf.h, config/i386/osfrose.h,
3943 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3944 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3945 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3946 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3947 config/mips/iris6.h, config/mips/osfrose.h,
3948 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3949 config/sparc/sp64-elf.h:
3950 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3951 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3953 * config/elfos.h, config/freebsd.h, config/linux.h,
3954 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3955 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3956 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3957 of ASM_FILE_START which merely emit a .version directive. Delete
3958 definitions of ASM_FILE_END which merely emit an .ident directive.
3960 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3961 ASM_IDENTIFY_GCC and move part of its logic into
3964 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3965 config/sparc/linux-aout.h: Don't emit .version directive in
3968 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3969 (output_file_start): Correct comment.
3971 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3972 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3974 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3975 * config/rs6000/aix.h: Correct comment.
3977 * config/i386/i386afe.h: Delete.
3978 * config.gcc: Remove references to i386afe.h.
3980 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3981 other macros deleted by this patch were undocumented.
3983 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3985 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3987 * pa.c (secondary_reload_class): SAR<->FP copies require a
3990 * install.texi (mips-mips-bsd): Update list of functions
3991 required to include memmove.
3992 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3993 used functions to include memmove.
3995 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3997 * i386.md (sqrtdf2): SFmode should be DFmode.
3999 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4001 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4002 (find_moveable_store): Likewise.
4004 2001-04-15 Jim Wilson <wilson@redhat.com>
4006 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4008 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4010 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4011 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4013 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4015 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4018 2001-04-14 Alan Modra <amodra@one.net.au>
4020 * pa.c (force_mode): New function.
4021 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4023 2001-04-13 Jim Wilson <wilson@redhat.com>
4025 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4026 (first_instruction): New static variable.
4027 (rtx_needs_barrier): Return 1 for alloc.
4028 (init_insn_group_barriers): Set first_instruction.
4029 (rws_sum): Delete duplicate definition.
4030 (group_barrier_needed_p): Return 0 when first_instruction true.
4031 (safe_group_barrier_needed_p): Save and restore first_instruction
4032 around group_barrier_needed_p call.
4034 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4036 * expr.h (enum libfunc_index): Add LTI_memmove.
4037 (memmove_libfunc): Define macro.
4038 * optabs.c (init_optabs): Initialize memmove_libfunc.
4039 * expr.c (expand_assignment): Use memmove_libfunc instead of
4042 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4044 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4047 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4049 * Makefile.in (reg-stack.o): Depend on reload.h.
4050 (insn-attrtab.o): Depend on flags.h.
4052 * genattrtab (main): Include flags.h in insn-attrtab.c.
4054 * reg-stack.c: Include reload.h.
4056 * sparc.h (flag_pic): Delete redundant declaration.
4058 * output.h (flag_pic): Likewise.
4060 * tree.h (pedantic): Likewise.
4062 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4064 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4066 * jump.c, regmove.c, toplev.c: Include reload.h.
4068 * reload.h (reload_cse_regs): Declare.
4070 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4071 reload_cse_regs, init_reload, mark_home_live, reload,
4072 init_caller_save): Delete redundant prototypes.
4074 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4076 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4078 * regclass.c, ssa.c: Include expr.h.
4080 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4081 gen_move_insn): Delete redundant declarations.
4083 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4085 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4086 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4087 MAKEINFO and MAKEINFOFLAGS too.
4088 (stage4_build): Correctly order -B flags.
4090 2001-04-13 Alan Modra <amodra@one.net.au>
4092 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4093 PIC_OFFSET_TABLE_SAVE_RTX.
4094 (zdepi_cint_p): Describe zdepi insn.
4095 Formatting and white space fixes throughout file.
4097 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4098 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4099 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4100 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4101 (output_64bit_and): Use plain `int's for shift counts.
4102 (output_64bit_ior): Likewise.
4103 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4104 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4107 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4108 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4109 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4110 NEW_HP_ASSEMBLER into one. Kill warnings.
4112 * pa-gas.h: Delete file.
4113 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4114 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4115 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4116 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4118 * config/pa/mill32.S: New file.
4119 * config/pa/mill64.S: New file.
4120 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4121 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4122 * config/pa/t-linux64: New file.
4123 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4124 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4125 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4127 * elfos.h (SELECT_SECTION): Undef before defining.
4128 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4129 (LIB_SPEC): Remove -lmilli.
4130 (DBX_REGISTER_NUMBER): Remove.
4131 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4132 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4133 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4134 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4135 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4136 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4137 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4138 TARGET_GAS): Define.
4139 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4140 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4141 regs if we don't have a prototype.
4142 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4143 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4144 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4145 EH_RETURN_HANDLER_RTX): Define.
4146 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4147 (DWARF_FRAME_REGNUM): Define.
4148 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4149 * pa32-linux.h: New file.
4150 * pa64-linux.h: New file.
4152 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4153 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4154 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4155 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4156 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4157 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4158 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4159 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4160 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4161 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4162 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4163 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4164 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4165 * pa64-hpux.h: New file.
4166 (ASM_FILE_START): Correct typo.
4167 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4168 * config.gcc: Modify for above.
4170 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4172 * jump.c (jump_optimize_1): Don't delete dead stores here.
4173 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4174 prior to running jump optimize before cse2.
4176 2001-04-12 Richard Henderson <rth@redhat.com>
4178 * Makefile.in (regmove.o): Depend on except.h.
4179 * regmove.c: Include it.
4181 2001-04-12 Stan Shebs <shebs@apple.com>
4183 * objc/objc-act.c: Remove all code ifdefed with the never-used
4184 macro OBJC_INT_SELECTORS.
4185 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4186 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4188 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4190 * config/pa/quadlib.c: Add prototypes.
4192 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4194 * bitmap.h (debug_bitmap): Delete redundant prototype.
4196 * rtl.h (get_frame_size): Likewise.
4198 2001-04-12 Jim Wilson <wilson@redhat.com>
4200 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4201 to just emit an fnorm.
4203 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4205 * c-common.h (truthvalue_conversion, type_for_mode,
4206 type_for_size): Delete redundant declarations.
4208 * c-lex.h (is_class_name): Likewise.
4210 * c-tree.h (pedantic, convert, getdecls, gettags,
4211 global_bindings_p, init_decl_processing, insert_block,
4212 maybe_build_cleanup, poplevel, print_lang_decl,
4213 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4214 set_block, incomplete_type_error, build_function_call,
4215 lvalue_or_else, mark_addressable): Likewise.
4217 * expr.h (expand_tree_builtin): Likewise.
4219 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4221 * invoke.texi: Document --param max-gcse-memory.
4223 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4225 * configure.in (errno): Check for declaration.
4226 * configure, config.in: Regenerated.
4228 * system.h (errno): Only declare if not already done.
4230 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4232 * recog.c (general_operand, immediate_operand,
4233 nonmemory_operand): Require CONST_INTs to be sign-extended
4234 values for their modes.
4236 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4238 * expmed.c (store_bit_field): Truncate CONST_INTs.
4239 (expand_mult_highpart, expand_divmod): Likewise.
4240 * expr.c (convert_modes, store_field): Likewise.
4241 * integrate.c (expand_inline_function): Use promote_mode() to
4242 determine whether to convert_modes() an argument as signed
4244 * optabs.c (expand_binop): Get CONST_INT operands
4245 sign-extended for their appropriate modes.
4246 * stmt.c (emit_case_nodes): Convert node values to the
4248 (expand_end_case): Convert minval and range to the appropriate
4250 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4251 the iteration variable.
4252 * varasm.c (immed_double_const): Don't require words to be
4253 narrower than host wide ints to properly sign-extend
4256 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4258 * sh.md (builtin_setjmp_receiver): New expander.
4260 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4262 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4263 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4264 for generating CONST_INT and CONST_DOUBLE.
4266 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4268 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4269 already sign-extended.
4270 (rs6000_emit_prologue): Make register iterator signed.
4271 (rs6000_emit_epilogue): Likewise.
4272 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4274 (movsf split, movdf split): Sign-extend CONST_INTs.
4275 (movdi splits): Likewise.
4277 2001-04-12 Kelley Cook <kelley.cook@home.com>
4279 * config-lang.in (lang_dirs): Add in zlib.
4281 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4283 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4284 operands that make it to RTL.
4286 2001-04-11 Stan Shebs <shebs@apple.com>
4288 Add Darwin (Mac OS X kernel) native support.
4289 * config.gcc (powerpc-*-darwin*): Add native bits.
4290 * config/darwin.c: New file, generic Darwin support functions.
4291 * config/darwin.h: New file, generic Darwin definitions.
4292 * config/darwin-protos.h: New file, generic Darwin prototypes.
4293 * rs6000/darwin.h: New file, Darwin for PowerPC.
4294 * rs6000/t-darwin: New file, Darwin makefile fragment.
4295 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4296 (TARGET_MACHO): Ditto.
4297 (rs6000_abi): Add ABI_DARWIN.
4298 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4299 (RS6000_SAVE_AREA): Ditto.
4300 (FP_ARG_MAX_REG): Ditto.
4301 (RETURN_ADDRESS_OFFSET): Ditto.
4302 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4304 (rs6000_emit_move): Add ABI_DARWIN cases.
4305 (print_operand): Ditto.
4306 (first_reg_to_save): Ditto.
4307 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4308 (debug_stack_info): Ditto.
4309 (rs6000_emit_prologue): Ditto.
4310 (rs6000_emit_epilogue): Ditto.
4311 (output_profiler_hook): Ditto.
4312 (output_function_profiler): Ditto.
4313 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4314 (output_mi_thunk): Add TARGET_MACHO case.
4315 (add_compiler_stub): Ditto.
4316 (output_compiler_stub): Ditto.
4317 (no_previous_def): Ditto.
4318 (output_call): Ditto.
4319 (machopic_output_stub): Ditto.
4320 (rs6000_machopic_legitimize_pic_address): Ditto.
4321 (toc_section): Ditto.
4322 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4323 (macho_high): Ditto.
4326 (load_macho_picbase): Ditto.
4327 (call): Add TARGET_MACHO case to modify function.
4328 (call_value): Ditto.
4329 (call_nonlocal_sysv): Add ABI_DARWIN case.
4330 (call_value_nonlocal_sysv): Ditto.
4331 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4333 (machopic_output_stub): Ditto.
4334 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4336 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4338 * dwarf2out.c (modified_type_die): Don't create new types here.
4339 * tree.h (get_qualified_type): New function.
4340 (build_qualified_type): Adjust comment.
4341 * tree.c (get_qualified_type): New function.
4342 (build_qualified_type): Use it.
4344 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4346 * cpp.texi (-Wtraditional): Update description.
4348 * invoke.texi (-Wtraditional): Likewise.
4350 2001-04-11 Jim Wilson <wilson@redhat.com>
4352 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4353 requires more than 64 bits of alignment.
4355 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4357 * cpplib.c (do_line): Sanity check iff enable checking.
4359 2001-04-11 Richard Henderson <rth@redhat.com>
4361 * Makefile.in (insn-recog.o): Depend on toplev.h.
4362 (insn-emit.o, doloop.o): Likewise.
4363 * genrecog.c, genemit.c: Include toplev.h in generated file.
4364 * doloop.c: Include toplev.h.
4366 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4368 * Makefile.in (gcse.o): Depend on params.h.
4369 * gcse.c: Include params.h.
4370 (gcse_main): Don't do GCSE if doing so will take inordinate
4372 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4373 * params.h (MAX_GCSE_MEMORY): New macro.
4375 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4377 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4379 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4381 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4383 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4385 * real.h (ereal_atof, real_value_truncate, target_isnan,
4386 target_isinf, target_negative, assemble_real, debug_real): Delete
4387 redundant prototypes.
4389 * Makefile.in (ifcvt.o): Depend on toplev.h.
4391 * c-semantics.c: Include expr.h.
4393 * ifcvt.c: Include toplev.h.
4395 * expr.h (rtx_equal_p): Delete prototype.
4397 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4398 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4399 eliminate_constant_term, expand_complex_abs, find_single_use,
4400 make_tree, init_expr_once, init_optabs, supports_one_only):
4403 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4404 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4405 expand_assignment, store_expr, emit_line_note_after,
4406 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4408 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4410 * sparc-protos.h: Delete redundant prototypes.
4412 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4414 * reload.c (push_reload): Add condition missed in SUBREG byte
4417 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4419 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4421 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4423 * i386.md (floatsisf_sse): Fix output template
4424 * i386.c (ix86_expand_fp_movcc)
4426 * reg-stack.c (emit_pop_insn): Handle complex modes.
4427 (move_for_stack_reg): Emit proper move mode.
4428 (subst_stack_regs_pat): Handle complex modes.
4430 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4432 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4434 2001-04-10 Richard Henderson <rth@redhat.com>
4436 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4437 (__pure_virtual, __terminate, __terminate_set_func,
4438 __default_terminate, __throw_type_match, __empty,
4439 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4440 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4441 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4442 Remove prototypes of deleted functions.
4444 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4446 * c-typeck.c (convert_arguments): -Wtraditional now activates
4447 -Wconversion warnings, except for changes in signed-ness.
4448 Detect complex<->int & int<->complex conversions as well.
4450 * invoke.texi (-Wtraditional): Document it.
4452 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4454 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4455 * flow.c (set_block_for_new_insns): Remove needless cast and
4456 properly check for unset block number.
4458 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4460 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4461 the subreg was a hard register. Pseudos are left as subregs.
4463 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4465 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4466 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4467 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4468 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4469 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4471 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4473 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4475 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4477 * output.h (set_block_num): Missed it earlier, remove deprecated
4480 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4482 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4483 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4484 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4485 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4486 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4487 (expr_killed_p): Change bb parameter from int to basic_block, pass
4488 basic_blocks instead of ints as parameters.
4489 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4490 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4491 from int to basic_block, pass basic_blocks instead of ints as parms.
4492 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4493 parameter from int to basic_block, pass basic_blocks instead of ints.
4494 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4495 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4496 pass basic_blocks instead of ints.
4497 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4498 basic_blocks instead of ints as parameters.
4499 (pre_delete): Pass basic_blocks instead of ints as parameters.
4500 (hoist_expr_reaches_here_p): Change bb parameter from int to
4501 basic_block, pass basic_blocks instead of ints.
4502 (hoist_code): Pass basic_blocks instead of ints as parameters.
4503 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4504 Change bb parameter from int to basic_block.
4505 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4506 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4507 pass basic_blocks instead of ints.
4508 (insert_store): Pass basic_blocks instead of ints as parameters.
4509 (replace_store_insn, delete_store): Change bb parameter from int to
4510 basic_block, pass basic_blocks instead of ints.
4511 (store_motion): Pass basic_blocks instead of ints as parameters.
4513 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4515 * basic-block.h (set_new_block_for_insns): New Prototype.
4516 (set_block_num): Delete prototype.
4517 * flow.c (set_block_num): Remove obsolete function.
4518 (set_block_for_new_insns): Set BB for single or multiple insns.
4519 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4520 (process_insn_end_bb): Use set_block_for_new_insns or
4521 set_block_for_insn instead of set_block_num.
4522 (pre_insert_copy_insn): Use set_block_for_new_insns.
4523 (update_ld_motion_stores): Use set_block_for_new_insns.
4524 (insert_insn_start_bb): Use set_block_for_new_insns.
4525 (replace_store_insn): Use set_block_for_new_insns.
4527 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4528 Jeff Law <law@redhat.com>
4530 * alias.c (get_addr): Externalize.
4531 (canon_true_dependence): New function. Behaves like true_dependance
4532 except it already assumes a MEM has been canonicalized.
4533 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4534 * gcse.c (struct ls_expr): Add load/store expressions structure.
4535 (modify_mem_list, canon_modify_mem_list): New variable.
4536 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4537 load motion and store motion if requested.
4538 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4539 (free_gcse_mem): Free the modify_mem_list array.
4540 (oprs_unchanged_p): Use load_killed_in_block_p.
4541 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4542 (mems_conflict_for_gcse_p): New function. Don't kill loads
4543 with stores to themselves if its in the load/store expression list.
4544 (load_killed_in_block_p): New function.
4545 (canon_list_insert): New Function.
4546 (record_last_mem_set_info): Keep a list of all instructions which
4547 can modify memory for each basic block.
4548 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4549 (oprs_not_set_p): Use load_killed_in_block_p.
4550 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4551 (expr_killed_p): Use load_killed_in_block_p.
4552 (compute_transp): Do not pessimize memory references.
4553 (pre_edge_insert): Update stores for a load motion expression.
4554 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4555 (ldst_entry): Find or create a ldst_expr structure.
4556 (free_ldst_entry): Free memory for an individual item.
4557 (free_ldst_mems): Free entire load/store expression list.
4558 (print_ldst_list): Print debug info.
4559 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4560 (enumerate_ldsts): Assign integer values to each entry in list.
4561 (first_ls_expr): First expression in the list.
4562 (next_ls_expr): Next expression in the list.
4563 (simple_mem): Check if expression qualifies for ld/st expression list.
4564 (invalidate_any_buried_refs): Remove from expression list if its
4565 used in some other way we dont understand.
4566 (compute_ld_motion_mems): Find all potential enhanced load motion
4568 (trim_ld_motion_mems): Remove any expressions which are invalid.
4569 (update_ld_motion_stores): Copy store values to registers for loads
4570 which have been moved.
4571 (regvec, st_antloc, num_store): New global statics.
4572 (reg_set_info): Marks registers as set.
4573 (store_ops_ok): Verfies registers expressions are valid in a block.
4574 (find_moveable_store): Look for moveable stores in a pattern.
4575 (compute_store_table): Find stores in a function worth moving, maybe.
4576 (load_kills_store): Check dependance of a load and store.
4577 (find_loads): Find any loads in a pattern.
4578 (store_killed_in_insn): Check if a store is killed in an insn.
4579 (store_killed_after): Check is store killed after an insn in a block.
4580 (store_killed_before): Check is store killed before an insn in a block.
4581 (build_store_vectors): Generate the antic and avail vectors.
4582 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4583 (insert_store): Add a store to an edge.
4584 (replace_store_insn): Replace a store with a SET insn.
4585 (delete_store): Delete a store insn.
4586 (free_store_memory): Free memory.
4587 (store_motion): Perform store motion.
4588 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4589 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4590 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4591 (f_options): Add gcse-lm and gcse-sm.
4593 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4595 * i386.c (expand_fp_movcc): Fix condition reversal code.
4597 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4598 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4599 (CLASS_MAX_NREGS): Use it.
4601 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4602 handle properly complex values.
4603 (CLASS_MAX_NREGS): Likewise; update comment.
4605 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4607 * ia64.c (ia64_flag_schedule_insns2): New variable.
4608 (ia64_override_options): Initialize it. Clear
4609 flag_schedule_insns_after_reload.
4610 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4612 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4614 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4615 Do not require source to match destination anymore;
4616 Add abort to the nontrivial cases that should be handled by split.
4617 (fix_trunc?fdi): Add SSE case for x86_64.
4618 (floatdi?f): Likewise.
4619 (floatdi?f_sse): New.
4620 (fix_trunc?fdi_sse): New.
4622 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4624 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4625 (DEBUG_ARANGES_END_LABEL): Ditto.
4626 (dwarfout_init): Generate length and version fields at the start
4627 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4628 after the length field.
4629 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4630 the .debug_aranges info.
4632 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4634 * i386.c (call, call_value): Make sure that resulting call_insn
4635 does have proper second operand.
4637 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4639 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4640 function. Remove include of sys/cygwin.h.
4642 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4644 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4645 (CPP_SPEC): Always search */include/w32api for header files.
4646 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4647 (LINK_SPEC): Add "cyg" to the library search prefixes.
4649 2001-04-08 Philip Blundell <philb@gnu.org>
4651 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4653 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4655 * cpperror.c (print_location): Don't special case <stdin>.
4656 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4657 WARNING, but we don't check if we're in system headers.
4658 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4659 * cpplib.c (do_warning): Warn in system headers.
4661 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4663 * mbchar.c: Include config.h first.
4665 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4667 * config.gcc: Set default for xmake_file at top, not bottom.
4668 Change places that set xmake_file to "none" to set to the
4669 empty string instead, or remove them entirely if there is no
4670 default xmake_file for this cpu_type. Remove references to
4673 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4674 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4675 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4676 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4677 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4678 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4679 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4680 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4681 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4682 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4685 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4686 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4687 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4688 config/mips/x-sysv, config/rs6000/x-aix31:
4689 Just set CLIB to -lld or -lmld, as appropriate.
4691 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4692 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4693 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4694 config/mips/x-iris, config/pa/x-pa:
4695 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4696 OTHER_FIXINCLUDES_DIRS.
4698 * config/i386/x-djgpp: Don't set LN or LN_S.
4699 * config/m88k/x-dolph: Don't define __m88k__.
4700 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4701 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4702 * config/i860/fx2800.h: No need to #undef SVR4.
4704 38 x-host fragments remain, 2 x-cpu.
4706 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4708 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4710 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4712 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4714 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4716 * configure.in: Add check for lstat.
4717 * configure, config.in: Regenerate.
4718 * cppinit.c (append_include_chain): Make empty path ".".
4719 * cpplib.c (do_line): Don't simplify #line paths.
4720 * cppfiles.c (remove_component_p): New function.
4721 (find_or_create_entry): Acknowledge stat () errors during
4722 path simplification.
4723 (handle_missing_header): Don't simplify paths.
4724 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4725 the empty path untouched. Don't leave a trailing '/'.
4727 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4729 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4730 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4732 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4734 * cppfiles.c (open_file): Fail directories silently, but
4735 with an errno of NOENT set.
4736 (read_include_file): Move the common exit code to the sole
4737 caller. Return an int indicating success or failure. Let
4738 open_file handle directories.
4739 (stack_include_file): If read_include_file fails,
4740 push a "null" buffer.
4742 2001-04-05 DJ Delorie <dj@redhat.com>
4744 * function.h (virtuals_instantiated): Declare.
4745 * function.c: (virtuals_instantiated): Make global.
4746 * calls.c (emit_library_call_value_1): Use
4747 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4748 Otherwise, use the stack pointer directly.
4750 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4752 * i386.c (x86_initialize_trampoline): New global function.
4753 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4754 (INITIALIZE_TRAMPOLINE): Move offline.
4755 * i386-protos.h (x86_initialize_trampoline): Declare.
4757 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4759 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4760 (lea_0): Rename to lea_1.
4761 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4762 (lea_general_?): Allow SImodes on TARGET_64BIT
4763 (lea_general_?_zext): New patterns.
4764 (call_1, call_1_rex64): Fix.
4766 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4768 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4770 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4772 * i386.c (function_arg): Return constm1_rtx for last argument.
4773 (ix86_expand_prologue): Update gen_call calls.
4774 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4775 * i386.md (call_pop): Likewise.
4776 (call): Second operand is VOIDmode.
4777 (call_0): Likewise; Support 64bits.
4778 (call_exp): New expander.
4779 (call_1): Get to the sync.
4780 (call_1_exp): New pattern.
4781 (call_value): Support 64bit.
4782 (call_value_exp): New pattern.
4783 (untyped_call): Update gen_call call.
4784 (call_value_pop): Disable for 64bit.
4785 (call_value_0_rex64): New pattern.
4786 (call_value_1_rex64): Likewise.
4788 2001-04-05 Bo Thorsen <bo@suse.de>
4790 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4792 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4794 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4795 satisfies ANY_QI_REG_P.
4797 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4799 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4802 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4805 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4807 * config.gcc: Remove default for xm_file. Clean up local
4808 machine type handling. Remove settings of xm_file to
4809 something that doesn't exist. In the big switch, set xm_file,
4810 don't append to it (the value before the big switch is always
4811 null). Don't force build_xm_file or host_xm_file to have a value.
4812 * configure.in: Remove default for xm_file. Do not special
4813 case $cpu/xm-$cpu.h not existing.
4814 * configure: Regenerate.
4816 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4818 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4819 when folding integer division and modulo operations.
4821 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4823 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4824 instead of DWARF2_ADDR_SIZE for EH addresses.
4825 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4828 2001-04-04 Richard Henderson <rth@redhat.com>
4830 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4831 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4832 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4834 2001-04-04 Richard Henderson <rth@redhat.com>
4836 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4837 * configure: Rebuilt.
4839 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4841 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4842 push insns to delete to it instead of deleting them.
4843 (delete_null_pointer_checks): Delete insns from delete_list after
4844 all delete_null_pointer_checks_1 passes are done.
4846 2001-04-04 Richard Henderson <rth@redhat.com>
4848 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4849 * configure: Rebuilt.
4851 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4853 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4854 * config/romp/xm-romp.h: Delete.
4856 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4858 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4861 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4863 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4864 all labels present in rtx.
4865 (try_split) Call new function for all split insns.
4867 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4869 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4870 sure the change won't be validated.
4872 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4874 * rtl.h (set_noop_p): Declare.
4875 * flow.c (set_noop_p): Move from here ...
4876 * rtlanal.c (set_noop_p): ... to here and enhance.
4877 * cse.c (delete_trivially_dead_insns): Use it.
4878 * gcse.c (hash_scan_set): Likewise.
4879 * jump.c (delete_noop_moves): Likewise.
4880 * recog.c (split_all_insns): Likewise.
4882 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4884 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4885 stack pointer via a LO_SUM. Ditto for setting a temp register
4886 used to save to the stack. Set cfa_temp when setting fp, and
4887 allow matches to cfa_temp in addition to cfa_store when saving
4888 regs. Handle POST_INC and LO_SUM register stores. Document the
4889 changes and errors in rule 12 doco.
4891 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4892 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4893 (load_reg): Move closer to epilogue code.
4894 (DO_FRAME_NOTES): Define to control the following..
4895 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4896 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4898 (hppa_expand_epilogue): Likewise.
4900 2001-04-03 Richard Henderson <rth@redhat.com>
4902 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4903 * configure: Rebuild.
4905 2001-04-03 Richard Henderson <rth@redhat.com>
4907 * rtl.h (LCT_THROW): New.
4908 * calls.c (emit_library_call_value_1): Handle it.
4909 * except.c (connect_post_landing_pads): Use it.
4911 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4913 * gansidecl.h: Delete file.
4914 * configure.in: Change all refs to gansidecl.h to use
4915 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4917 * configure: Regenerate.
4919 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4920 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4921 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4922 Don't include gansidecl.h.
4923 * intl.c, main.c, version.c, fixinc/fixlib.h,
4924 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4927 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4929 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4932 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4934 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4935 config/i386/xm-next.h, config/i386/xm-sco.h,
4936 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4937 config/m88k/xm-m88k.h: Delete.
4939 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4940 * config/romp/xm-romp.h: Don't define bcopy.
4941 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4942 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4944 * config.gcc: Remove references to deleted files.
4946 14 xm-host.h remain, 1 xm-cpu.h.
4948 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4949 David S. Miller <davem@pierdol.cobaltmicro.com>
4950 Andrew MacLeod <amacleod@redhat.com>
4952 Use byte offsets in SUBREGs instead of words.
4954 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4955 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4956 to pass new argument.
4957 (add_stored_regs): Use subreg_regno_offset function.
4958 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4960 (precompute_arguments): Use gen_lowpart_SUBREG.
4961 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4962 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4963 (simplify_set): Rework to use SUBREG_BYTE.
4964 (expand_field_assignment): Use SUBREG_BYTE.
4965 (make_extraction): Use SUBREG_BYTE.
4966 (if_then_else_cond): Use SUBREG_BYTE.
4967 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4968 (gen_lowpart_for_combine): Compute full byte offset.
4969 * cse.c (mention_regs): Use SUBREG_BYTE.
4970 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4971 (canon_hash): Use SUBREG_BYTE.
4972 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4973 (gen_lowpart_if_possible): Formatting.
4974 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4976 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4977 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4978 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4979 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4980 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4981 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4982 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4983 certain invariants about SUBREGs the compiler creates.
4984 (gen_lowpart_SUBREG): New function.
4985 (subreg_hard_regno): New function to get the final register number.
4986 (gen_lowpart_common): Use SUBREG_BYTE.
4987 (gen_imagpart): Spacing nits.
4988 (subreg_realpart_p): Use SUBREG_BYTE.
4989 (gen_highpart): Use SUBREG_BYTE.
4990 (subreg_lowpart_p): Always compute endian corrected goal offset,
4991 even at the byte level, then compare against that.
4992 (constant_subword): New function, pulled out all constant cases
4993 from operand_subword and changed second argument name to offset.
4994 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4995 and call constant_subword to do the work. Return const0_rtx if
4996 looking for a word outside of OP.
4997 (operand_subword_force): Change second arg name to offset.
4998 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4999 (store_split_bit_field): Use SUBREG_BYTE.
5000 (extract_bit_field): Use SUBREG_BYTE.
5001 (extract_split_bit_field): Use SUBREG_BYTE.
5002 (expand_shift): Use SUBREG_BYTE.
5003 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5004 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5005 * flow.c (set_noop_p): Use SUBREG_BYTE.
5006 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5007 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5008 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5010 (optimize_bit_field): Use SUBREG_BYTE.
5011 (purge_addressof_1): Use SUBREG_BYTE.
5012 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5013 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5014 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5015 * gengenrtl.c (special_rtx): Add SUBREG.
5016 * global.c (mark_reg_store): Use SUBREG_BYTE.
5017 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5018 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5019 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5020 final byte offset is congruent to subreg's mode size.
5021 (subst_constants): Use SUBREG_BYTE.
5022 (mark_stores): Use subreg_regno_offset function.
5023 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5024 function and SUBREG_BYTE.
5025 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5026 (reg_is_born): Use subreg_hard_regno.
5027 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5028 endian correction code. Don't combine subregs unless resulting
5029 offset aligns with type. Fix subreg constant extraction for DImode.
5030 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5031 (general_operand): Remove dead mode_altering_drug code.
5032 (indirect_operand): Use SUBREG_BYTE.
5033 (constrain_operands): Use subreg_regno_offset function.
5034 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5035 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5036 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5037 * regs.h (REG_SIZE): Allow target to override.
5038 (REGMODE_NATURAL_SIZE): New macro which target can override.
5039 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5040 on the entire subreg rtx.
5041 (push_reload): Use SUBREG_BYTE in comments and code.
5042 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5043 for hard registers inside subregs.
5044 (operands_match_p): Use subreg_regno_offset.
5045 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5046 containing hard regs.
5047 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5048 corrections when fixing up MEM subregs.
5049 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5050 subreg_regno_offset where appropriate.
5051 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5052 byte endian corrections when fixing up MEM subregs.
5053 (subst_reloads): When combining two subregs, make sure final
5054 offset is congruent to subreg's mode size.
5055 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5056 (refers_to_regno_for_reload_p): Use subreg_regno.
5057 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5058 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5059 correction code for memory subreg fixups.
5060 (forget_old_reload_1): Use subreg_regno_offset.
5061 (choose_reload_regs): Use subreg_regno.
5062 (emit_input_reload_insns): Use SUBREG_BYTE.
5063 (reload_combine_note_store): Use subreg_regno_offset.
5064 (move2add_note_store): Use subreg_regno_offset.
5065 * resource.c (update_live_status, mark_referenced_resources): Use
5066 subreg_regno function.
5067 (mark_set_resources): Use subreg_regno function.
5068 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5069 (subreg_regno_offset, subreg_regno): Define prototypes.
5070 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5071 (gen_lowpart_SUBREG): Add prototype.
5072 * rtl.texi (subreg): Update to reflect new byte offset representation.
5073 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5074 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5075 (reg_overlap_mentioned_p): Use subreg_regno.
5076 (replace_regs); Make sure final offset of combined subreg is
5077 congruent to size of subreg's mode.
5078 (subreg_regno_offset): New function.
5079 (subreg_regno): New function.
5080 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5081 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5082 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5083 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5084 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5085 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5086 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5087 (print_operand): Use SUBREG_BYTE.
5088 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5089 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5090 (arm_reload_out_hi): Use SUBREG_BYTE.
5091 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5092 instead of SUBREG_WORD.
5093 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5094 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5095 SUBREG creation to use byte offset.
5096 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5097 inverted load insns): Fix explicit rtl subregs to use byte
5099 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5100 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5101 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5102 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5103 to use byte offsets.
5104 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5105 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5106 offsets, also make sure it is congruent to SUBREG's mode size.
5107 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5108 unnamed ldob insn): Generate SUBREGs with byte offset.
5109 (zero_extendqihi2): SUBREG's are byte offsets.
5110 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5111 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5112 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5113 zero-extendqisi2): Generate SUBREGs with byte offset.
5114 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5115 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5116 subregs in rtl to use byte offsets.
5117 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5118 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5119 (mips_move_2words): Use subreg_regno_offset.
5120 (mips_secondary_reload_class): Use subreg_regno_offset.
5121 * config/mips/mips.md (DImode plus, minus, move, and logical op
5122 splits): Fixup explicit subregs in rtl to use byte offsets.
5123 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5124 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5125 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5126 rtl to use byte offsets.
5127 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5128 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5129 subregs to use byte offsets.
5130 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5131 Fixup explicit subregs in rtl to use byte offsets.
5132 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5133 and remove byte endian correction code.
5134 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5135 (gen_ashift_hi): Use SUBREG_BYTE.
5136 (regs_used): Use subreg_regno_offset.
5137 (machine_dependent_reorg): Use subreg_regno_offset.
5138 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5139 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5140 (movdf_i4): Subregs are byte offsets now.
5141 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5142 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5143 (REGMODE_NATURAL_SIZE): Override.
5144 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5145 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5147 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5148 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5149 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5150 it is congruent to SUBREG's mode size.
5151 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5153 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5154 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5155 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5156 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5157 * config/v850/v850.c (print_operand, output_move_double): Use
5158 subreg_regno function.
5160 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5162 * configure.in (target_subdir): Use target_alias, not target.
5163 * configure: Rebuilt.
5165 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5167 * config/sh/crti.asm: Fix typos in comments.
5169 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5171 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5172 TARGET_FAST_INDIRECT_CALLS.
5173 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5175 (return_addr_rtx): Short circuit export stub matching when
5176 TARGET_NO_SPACE_REGS.
5177 (output_millicode_call): For out of range calls, make -fPIC
5178 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5179 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5180 * pa.md: Modify length attr calculation of all millicode insns to
5183 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5185 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5186 Require at least 2.11 in the version test. Specifically check
5187 for and reject GAS version 2.10.90.
5188 * configure: regenerate.
5190 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5192 * pa.c (override_options): Remove PIC profiling warning.
5193 (hp_profile_labelno): Delete.
5194 (hp_profile_label_rtx): Delete.
5195 (hp_profile_label_name): Delete.
5196 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5197 (output_function_prologue): Remove profiling code and all tests on
5198 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5199 merge_sp_adjust_with_store can work for PIC and profiling.
5200 (hppa_expand_epilogue): Remove profile_flag test.
5201 (hppa_can_use_return_insn_p): Likewise.
5202 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5203 cater for PROFILE_HOOK.
5204 (hppa_profile_hook): New function.
5205 * pa.h (FUNCTION_PROFILER): Now does nothing.
5206 (PROFILE_HOOK): Define.
5207 (hppa_profile_hook): Declare.
5208 (PROFILE_BEFORE_PROLOGUE): Delete.
5209 (ASM_OUTPUT_REG_PUSH): Delete.
5210 (ASM_OUTPUT_REG_POP): Delete.
5211 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5212 r24. Accept function name operand, and use this and a locally
5213 generated label to calculate pc-rel offset to func start.
5215 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5217 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5218 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5221 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5223 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5224 LO_SUM cases to where they belong.
5226 2001-04-02 Richard Henderson <rth@redhat.com>
5228 * except.h (lang_eh_type_covers): Mark extern.
5229 (lang_eh_runtime_type): Likewise.
5231 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5233 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5234 gengenrtl.c: Wrap generated header in multiple-include guard.
5235 Improve error checking.
5237 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5239 * configure.in: Don't check for putenv.
5240 * configure: Regenerate.
5241 * gcc.c (putenv): Don't define.
5242 * vax/xm-vms.h: Handle putenv.
5244 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5246 * ifcvt.c (noce_emit_move_insn): New.
5247 (noce_try_store_flag, noce_try_store_flag_constants,
5248 noce_try_store_flag_inc, noce_try_store_flag_mask,
5249 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5250 noce_try_abs): Use it.
5251 (noce_process_if_block): Likewise.
5252 For STRICT_LOW_PART, take mode from its SUBREG.
5254 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5256 * fold-const.c (fold): Before optimizing unsigned comparison with
5257 0x7fffffffU, make sure arg0 is integral type.
5259 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5261 * c-tree.texi: Document representation of wide strings.
5263 2001-04-01 Richard Henderson <rth@redhat.com>
5265 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5267 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5269 * i386.md: remove obsoleted comments.
5270 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5271 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5272 fix output template.
5274 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5276 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5278 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5280 * loop.c (load_mems): When generating a load from a pseudo, update
5283 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5285 * i386.c (ix86_split_long_move): Use change address to compensate
5286 stack pointer change in push instruction.
5288 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5290 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5291 instead of rtx_equal_p; fix the output template.
5293 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5295 * i386.c (ix86_expand_setcc): Support 64bit.
5296 (ix86_expand_int_movcc): Likewise.
5297 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5300 * i386.md (allocate_stack_worker): Turn to expander.
5301 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5303 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5305 2001-03-29 Richard Henderson <rth@redhat.com>
5307 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5309 2001-03-28 Matthew Hiller <hiller@redhat.com>
5311 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5314 * MAINTAINERS: Added self.
5316 2001-03-28 Richard Henderson <rth@redhat.com>
5318 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5319 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5321 2001-03-28 Jim Wilson <wilson@redhat.com>
5323 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5326 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5328 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5330 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5333 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5335 2001-03-28 DJ Delorie <dj@redhat.com>
5337 * Makefile.in (stage1_build): Revert CFLAGS patch.
5339 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5341 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5342 when multiplier or multiplicand is zero.
5344 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5346 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5348 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5350 (set_src_needs_barrier): Likewise.
5351 (rtx_needs_barrier): For SET case, use these two functions. Rework
5352 PARALLEL case to handle all inputs before all outputs.
5353 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5354 saw a label and no stop bit since then.
5355 (maybe_rotate, process_epilogue): Add prototypes.
5357 2001-03-28 Richard Henderson <rth@redhat.com>
5359 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5360 not TARGET_TOC for special toc restore handling.
5361 * config/rs6000/rs6000.md (eh_return): Likewise.
5363 2001-03-28 Richard Henderson <rth@redhat.com>
5365 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5366 current_function_calls_eh_return.
5367 (output_function_epilogue): Handle eh_return.
5368 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5369 (EH_RETURN_DATA_REGNO): New.
5370 (EH_RETURN_STACKADJ_RTX): New.
5371 (EH_RETURN_HANDLER_RTX): New.
5372 * config/sparc/sparc.md (call/short branch peepholes): Check
5373 can_throw_internal instead of in_same_eh_region.
5375 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5376 for eh_return data registers.
5377 (rs6000_emit_prologue): Save eh_return data registers.
5378 (rs6000_emit_epilogue): Force inline restores if eh_return.
5379 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5380 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5381 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5382 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5383 the target uses one.
5384 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5385 (return_eh_si, return_eh_di): Remove.
5386 (eh_return): New, from corpse of eh_epilogue.
5387 (eh_set_lr_si, eh_set_lr_di): New.
5389 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5390 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5391 True for pic register if current_function_calls_eh_return.
5392 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5393 Handle eh_return requirements.
5394 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5395 (EH_RETURN_STACKADJ_RTX): New.
5396 * config/i386/i386.md (exception_receiver): Remove.
5397 (eh_return, eh_return_1): New.
5398 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5400 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5401 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5402 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5403 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5404 (EH_RETURN_DATA_REGNO): New.
5405 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5406 * config/alpha/alpha.md (eh_epilogue): Remove.
5407 (exception_receiver): Use $26 for ldgp input.
5408 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5410 2001-03-28 Richard Henderson <rth@redhat.com>
5412 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5413 * except.h: Likewise.
5415 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5416 (LIB2ADDEHDEP): New.
5417 (LIB2FUNCS_EH): Remove.
5418 (LIB2ADD): Remove LIB2ADDEH.
5419 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5420 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5421 (crt{begin,end}[S].o): Likewise.
5422 (except.o): Update includes.
5423 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5424 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5426 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5427 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5428 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5429 * builtins.c (expand_builtin): Implement it.
5430 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5431 * c-common.c (c_common_nodes_and_builtins): Declare it.
5432 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5433 * calls.c (libfunc_nothrow): Remove.
5434 (emit_library_call_value_1): Don't call it.
5435 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5436 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5437 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5438 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5439 (current_funcdef_number): Globalize.
5440 (output_call_frame_info): Emit frame data if an lsda is needed.
5441 Generate augmentation for personality routine. Don't play with
5443 (dwarf2out_begin_prologue): Record funcdef_number.
5444 * dwarf2out.h (current_funcdef_number): Declare.
5445 * expr.c (expand_expr): Update for except.h name changes.
5446 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5447 * expr.h (LTI_throw, LTI_rethrow): Remove.
5448 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5449 (LTI_eh_rtime_match): Remove.
5450 (LTI_unwind_resume, LTI_eh_personality): Add.
5451 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5452 * final.c (final): Don't call check_exception_handler_labels,
5453 init_insn_eh_region, or free_insn_eh_region.
5454 (final_scan_insn): Always emit debug labels for
5455 NOTE_INSN_EH_REGION notes.
5456 * flags.h (flag_new_exceptions): Remove.
5457 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5458 (record_active_eh_regions): Remove.
5459 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5460 Use can_throw_internal.
5461 (find_basic_blocks_1): Likewise.
5462 (move_stray_eh_region_notes): Remove.
5463 (find_label_refs): No eh_return_stub_label.
5464 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5465 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5467 (delete_unreachable_blocks): Don't track deleted handlers.
5468 (flow_delete_block): Use maybe_remove_eh_handler.
5469 (delete_eh_regions): Remove.
5470 (merge_blocks): Don't check for eh region match.
5471 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5472 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5473 (init_propagate_block_info): Disable dead frame store optimization
5474 when current_function_calls_eh_return.
5475 (dump_bb): Don't print eh_beg, eh_end.
5476 * function.c (fixup_var_refs): No catch_clauses.
5477 (expand_function_end): Likewise. Call expand_eh_return before
5478 the return register use. Call sjlj_emit_function_exit_after.
5479 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5480 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5481 * ifcvt.c (dead_or_predicable): Remove eh region check.
5482 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5483 Don't check for EH vs parameters.
5484 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5485 (expand_inline_function): Call duplicate_eh_regions.
5486 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5487 (copy_insn_notes): Remap REG_EH_REGION notes.
5488 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5489 * integrate.h (struct inline_remap): Add local_return_label.
5490 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5491 check_exception_handler_labels, nor exception_optimize.
5492 (find_cross_jump): No EH region check.
5493 * optabs.c (init_optabs): Update for changed eh libfuncs.
5494 * rtl.def (RESX): New.
5495 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5496 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5497 checks. Update for except.h name changes.
5498 (expand_cleanups): Likewise.
5499 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5500 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5501 (compile_file): Call init_eh before init_optabs. Don't
5502 output_exception_table here.
5503 (rest_of_compilation): Call convert_from_eh_region_ranges,
5504 convert_to_eh_region_ranges, output_function_exception_table.
5505 Don't emit_eh_context.
5506 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5507 (EXC_PTR_EXPR): New.
5509 * md.texi (eh_epilogue): Remove.
5510 (eh_return): Document.
5511 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5512 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5514 * eh-common.h: Remove file.
5515 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5516 * libgcc2.c (L_eh): Remove.
5518 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5519 * unwind-dw2-fde.h: New file.
5520 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5521 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5522 * libgcc-std.ver: Update for eh symbols.
5524 2001-03-27 Richard Henderson <rth@redhat.com>
5526 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5527 reduce false positives.
5528 (regmove_optimize): Disable if flag_non_call_exceptions.
5530 * stmt.c (expand_return): Remove always true predicate.
5531 (expand_decl_cleanup_no_eh): Remove dead code.
5533 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5534 barrier code. Add a scheduling barrier if a non-call insn
5535 can throw internally.
5537 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5538 Auto-inc addresses trap only if their base register does.
5540 * except.c (can_throw_internal): Rename from can_throw.
5541 * except.h, resource.c: Update references.
5543 * integrate.c (copy_insn_list): Use returnjump_p.
5544 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5546 * function.h (struct function): Move all boolean valued fields
5547 to single bit fields at the end of the struct.
5549 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5551 Rename asynchronous_exceptions to flag_non_call_exceptions.
5553 * gthr-single.h (UNUSED): New. Distinguish between how C
5554 and C++ mark unused function arguments. Use throughout.
5556 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5557 value to target configuration header.
5558 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5559 * config.in, configure: Rebuild.
5560 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5561 configuration and target defines.
5562 (exceptions_via_longjmp): Remove.
5563 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5564 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5566 * except.h (flag_non_call_exceptions): Move ...
5567 * flags.h: ... here.
5569 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5570 exceptions, put the note on the trapping instruction.
5572 * flags.h (flag_new_exceptions): Remove.
5573 * toplev.c: Don't set it.
5574 * final.c: Don't check it.
5575 * except.c: Provide stub definition.
5577 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5578 (calculate_global_regs_live): Kill call-clobbered registers
5579 across exception edges.
5580 * reg-stack.c (convert_regs_1): Kill the entire target stack
5581 across non-call exception edges.
5583 * flow.c (cleanup_cfg): Take no argument.
5584 * output.h, sibcall.c, toplev.c: Update all calls.
5586 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5588 * configure.in: Don't check for bcopy.
5589 * configure, config.in: Regenerate.
5591 * system.h: Don't define or prototype bcopy, instead poison it.
5593 2001-03-27 Richard Henderson <rth@redhat.com>
5595 * function.c (expand_function_start): Set DECL_REGISTER on
5596 a pseudo used for DECL_RESULT.
5598 * rtl.h (LCT_NORETURN): New.
5599 * calls.c (emit_library_call_value_1): Handle it.
5601 2001-03-27 Stan Shebs <shebs@apple.com>
5603 * objc/objc-act.c (objc_init): Use dump_base_name.
5604 (gen_declaration): Clear the buffer arg.
5605 (gen_declaration_1): New function, body of gen_declaration.
5606 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5607 (gen_method_decl): Ditto, plus always clear buffer arg.
5608 (error_with_ivar): Simplify.
5609 (warn_with_method): Ditto.
5610 (build_message_expr): Don't clear buffers.
5611 (dump_interface): Ditto.
5612 (objc_debug): Ditto.
5613 (build_keyword_selector): Clear the buffer by only zeroing
5615 (objc_implementation_context): Declare.
5616 (start_class): Warn about missing @end.
5617 (finish_objc): Ditto.
5619 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5621 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5623 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5625 * Makefile.in (SYSTEM_H): Define.
5626 Depend on $(SYSTEM_H), not system.h.
5628 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5630 2001-03-27 Jim Wilson <wilson@redhat.com>
5632 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5634 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5635 (process_epilogue): New static function.
5636 (process_set): Call process_epilogue instead of emitting .restore
5638 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5640 * flow.c (struct reg_cond_life_info): New fields orig_condition
5642 (init_propagate_block_info): Set new fields.
5643 (mark_regno_cond_dead): Set and use new fields.
5644 (flush_reg_cond_reg_1): Likewise.
5645 (and_reg_cond, case AND): Check for redundant AND conditions.
5646 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5649 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5651 * cppmacro.c (stringify_arg): Null terminate strings.
5653 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5655 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5656 inclusion style. xm-m68hc11.h no longer exists.
5657 * config/m68hc11/xm-m68hc11.h: Delete file.
5658 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5660 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5661 Don't define GCC_VERSION, N_, or PARAMS; don't include
5662 gansidecl.h or stdio.h. Define inhibit_libc here.
5663 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5664 Delete code conditioned on #if GCC_VERSION == 2095.
5666 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5667 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5668 Delete code conditioned on #if GCC_VERSION == 2095.
5670 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5672 * system.h: Include symcat.h.
5673 (STRINGIFY): Don't define.
5675 * configure.in: Adjust comment.
5677 * builtins.c: Use STRINGX, not STRINGIFY.
5678 * gencheck.c: Likewise.
5679 * gengenrtl.c: Likewise.
5680 * protoize.c: Likewise.
5682 * cpplex.c: Don't include symcat.h.
5683 * cpplib.c: Likewise.
5685 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5687 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5689 * c-typeck.c (digest_init): Fold init expression.
5691 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5693 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5695 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5697 * except.c (eh_regs): Save results of build_pointer_type to a temp
5698 as FUNCTION_VALUE macro may evaluate its args multiple times.
5700 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5702 * c-common.h (DECL_NUM_STMTS): New macro.
5703 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5705 (pushdecl): Likewise.
5706 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5707 * integrate.c (expand_inline_function): Don't check
5709 * print-tree.c (print_node): Don't print it.
5710 * toplev.c (rest_of_compilation): Don't try to inline when
5711 flag_no_inline is on.
5712 * tree.h (DECL_FRAME_SIZE): Remove.
5713 (tree_decl): Adjust accordingly.
5715 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5717 * combine.c (try_combine): Use memcpy, not bcopy.
5719 * genattrtab.c (expand_units): Likewise.
5721 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5723 * i386.md (push mem DI peep2): New.
5724 (mov 0, mov -1 peep2): Handle 64bit.
5725 (lea to arithmetics peep2): Handle 64bit leas.
5726 (rsp arithmetics to push/pop peep2s): New.
5728 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5730 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5732 * i386.c (struct machine_function): Add save_varrargs_registers.
5733 (ix86_save_varrargs_registers): New macro.
5734 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5735 (ix86_expand_prologue): Likewise.
5736 (ix86_emit_epilogue_esp_adjustement): Likewise.
5737 (ix86_expand_epilogue): Likewise.
5738 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5739 (pro_epilogue_adjust_stack_1): New insn.
5740 (pro_epilogue_adjust_stack_rex64): Likewise.
5741 * i386.h (MASK_NO_RED_ZONE): New constant.
5742 (TARGET_RED_ZONE): New macro.
5743 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5744 (RED_ZONE_SIZE): New constant.
5745 (RED_ZONE_RESERVE): New constant.
5747 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5749 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5751 2001-03-25 Kazu Hirata <kazu@hxi.com>
5753 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5756 (umodhi3): Likewise.
5759 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5761 * mkconfig.sh (DEFINES): Handle entries with '='.
5763 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5764 Set xm_defines to MACRO=value instead.
5766 * i370/xm-mvs.h: Delete.
5768 * ns32k/xm-pc532-min.h: Likewise.
5770 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5772 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5774 use ix86_expand_binary_operator
5775 (?sh??i_?): Disable for 64bit.
5776 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5777 * i386.c (shiftdi_operand): New predicate.
5779 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5780 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5781 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5782 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5783 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5784 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5785 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5786 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5787 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5788 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5789 (rotldi3, rotrdi3): New expanders.
5791 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5793 * i386.md (movstrsi): Move offline.
5795 (strmovdi_rex64): New.
5796 (strmov?i): Accept 64bit.
5797 (strmov?i_rex64): New.
5798 (strmov?i_rex_1): New.
5799 (strmov?i_1): Disable for 64bit.
5800 (rep_mov?i_rex64): New.
5801 (rep_mov?i): Disable for 64bit.
5802 (clrstrsi): Move offline.
5803 (strset?i_rex64): New.
5804 (strset?i: Accept 64bit.
5805 (rep_stos?i): Disable for 64bit.
5806 (rep_stos?i_rex64): New.
5807 (strset?i_rex_1): New.
5808 (strset?i_1): Disable for 64bit.
5809 (cmpstrsi): Accept 64bit.
5810 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5811 (cmpstrqi_nz_rex_1): New.
5812 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5813 (strlensi): Move offline.
5815 (strlenqi_1): Disable for 64bit; fix constraints.
5816 (strlenqi_rex_1): New.
5817 * i386.c (ix86_adjust_counter): New static function.
5818 (ix86_zero_extend_to_Pmode): Likewise.
5819 (ix86_expand_aligntest): Likweise.
5820 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5821 (ix86_expand_movstr): New global function.
5822 (ix86_expand_clrstr): New global function.
5823 (ix86_expand_strlen): New global function.
5824 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5825 ix86_expand_strlen): Declare.
5826 (ix86_expand_strlensi_unroll_1): Delete.
5828 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5830 * i386.md (cmpdi): Fix operand predicates.
5831 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5832 cmpdi_1_insn_rex64): New patterns.
5833 (adddi3): Turn to expander.
5834 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5835 (addsi3_carry_zext): New pattern.
5836 (adddi_?_rex64): New patterns and splitters.
5837 (addsi_?_zext): New patterns.
5838 (subsi3_carry_zext): New pattern.
5839 (subdi_?_rex64): New patterns and splitters.
5840 (iorsi_?_zext): New patterns.
5841 (iordi_?_rex64): New patterns and splitters.
5842 (iorsi_?_zext): New patterns.
5843 (iorsi_?_zext_imm): New patterns.
5844 (xorsi_?_zext): New patterns.
5845 (xordi_?_rex64): New patterns and splitters.
5846 (xorsi_?_zext): New patterns.
5847 (negdi*): New patterns.
5848 (one_cmpldi*): Likewise.
5849 (one_cmplsi*_zext, negsi*_zext): Likewise.
5850 (testqi_ext_3_rex64): New pattern.
5852 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5854 * i386-protos.h (ix86_split_long_move): Return void.
5855 * i386.c (ix86_split_to_parts): Handle 64bit target.
5856 (ix86_split_long_move): Likewise.
5857 * i386.md (all calls to ix86_split_long_move): Update.
5859 2001-03-23 Richard Henderson <rth@redhat.com>
5861 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5862 to avoid shadowing arguments.
5864 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5866 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5867 to variable names where DECL_NAME is different from
5868 DECL_ASSEMBLER_NAME.
5870 2001-03-23 Jim Wilson <wilson@redhat.com>
5872 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5873 (assemble_alias): Call make_decl_rtl.
5875 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5877 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5879 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5881 * extend.texi: Document the "java_interface" attribute.
5883 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5885 * mkconfig.sh: Use a subshell with redirected stdout,
5886 instead of closing stdout and confusing commands that run
5887 afterward. Throw away output of cmp.
5889 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5891 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5893 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5895 * i386.md (zero_extendsidi2_32): Break out from ...
5896 (zero_extendsidi2): ... here ; turn to expander.
5897 (zero_extendsidi2_rex64): New.
5898 (extendsidi2_32): Break out from ...
5899 (extendsidi2): ... here ; turn to expander.
5900 (extendsidi2_rex64): New.
5901 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5902 (trunc?f?f splitters): Add 64bit versions.
5904 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5906 * i386.md (pushsi, pushsi2_prologue): Disable.
5907 (pushsi2_rex64): New.
5908 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5909 (movqi_ext_1): Disable for 64bit.
5910 (movqi_ext_1_rex64): New.
5911 (pushdi2_rex64): New pattern, peep2s and splitter.
5912 (pushdi2_prologue_rex64): New pattern.
5913 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5915 (movdi splitters): Disable for 64bit.
5916 (movdi_1_rex64): New pattern, peep2s and splitters.
5917 (swapdi): New pattern.
5918 (pushsf): Disable for 64bit.
5919 (pushsf_rex64): New pattern and splitter.
5920 (pushdf_nointeger): Disable for 64bit.
5921 (pushdf_integer): Handle the 64bit case.
5922 (pushtf): Likewise; update splitters.
5924 2001-03-22 Richard Henderson <rth@redhat.com>
5926 * mkconfig.sh: Include insn-flags.h.
5927 * Makefile.in (CONFIG_H): Include insn-flags.h.
5928 (lots of objects): Remove insn-codes.h and insn-flags.h.
5930 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5931 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5932 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5933 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5934 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5935 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5936 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5937 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5938 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5939 v850/v850.c, vax/vax.c:
5940 Don't include insn-flags.h.
5942 * diagnostic.c, expr.h, reload.c, toplev.c:
5943 Don't include insn-codes.h.
5945 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5946 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5947 c4x/c4x.c, i960/i960.c, mips/mips.c:
5948 Don't include insn-codes.h or insn-flags.h.
5950 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5951 or insn-flags.h in the generated code.
5952 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5953 (main): Forward declare struct rtx_def.
5955 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5957 * invoke.texi (-ffast-math): Remove duplicate line about
5960 * gcc.texi: Remove more obsolete documentation of bugs and
5961 installation problems.
5963 2001-03-21 Kazu Hirata <kazu@hxi.com>
5965 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5968 2001-03-20 Jason Merrill <jason@redhat.com>
5970 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5972 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5973 * varasm.c (CHKR_PREFIX): Likewise.
5975 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5977 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5978 is part of a multi-SET insn.
5980 * cse.c (find_comparison_args): Remove previous change.
5981 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5984 * config/i386/i386.md (conditional_trap): Remove warning.
5986 * recog.c (push_operand): Fix error in last change that caused
5987 undefined symbol on many targets.
5989 * sdbout.c: #include ggc.h.
5990 (sdbout_init): Move to end of file.
5991 Call ggc_add_tree_root for anonymous_types.
5992 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5993 (sdbout_one_type): Use DECL_NAME for field name.
5994 * Makefile.in (sdbout.o): Show includes ggc.h.
5996 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5998 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5999 (override_options): Use properlimits for preferred_stack_boundary.
6000 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6002 (ext_register_operand): Accept DImode.
6003 (load_pic_register): Abort on 64bit.
6004 (gen_push): Use Pmode instead of SImode.
6005 (ix86_save_reg): Pic reg is never used on 64bit.
6006 (ix86_expand_prologue): Likewise.
6007 (ix86_emit_save_regs): Use Pmode instead of SImode.
6008 (legitimate_address_p): Check displacement for 64bit.
6009 (print_operand): Avoid outputting of (%rip) on 64bit.
6010 (print_operand_address): Output (%rip) where possible.
6011 (split_di): Abort on 64bit registers.
6012 (ix86_expand_branch): DImode comparison is simple for x86_64.
6013 (memory_address_length): Recognize memory addresses formed using
6015 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6017 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6019 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6021 * recog.c (push_operand): Recognize new format of push instructions.
6023 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6025 * i386.md (pushqi1): New.
6026 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6027 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6028 x86_64_immediate_operand, x86_64_immediate_operand,
6029 x86_64_zext_immediate_operand): Declare.
6030 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6031 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6032 x86_64_immediate_operand, x86_64_immediate_operand,
6033 x86_64_zext_immediate_operand): define.
6034 * i386.h (PREDICATE_CODES): Add new predicates.
6036 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6038 * i386.md (pophi1, popqi1, pushqi1): Remove.
6040 * expr.c (emit_single_push_insn): New function.
6041 (move_by_pieces): Accept NULL as destination for push instructions.
6042 (gen_push_operand): Kill.
6043 (emit_push_insn): Pass NULL when pushing; avoid updating of
6044 stack_pointer_delta.
6045 * expr.h (gen_push_operand): Kill.
6047 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6049 * rtl.texi (COMPARE): Clarify documentation and reference section
6052 2001-03-20 Stan Shebs <shebs@apple.com>
6054 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6055 (get_object_reference): Ditto.
6056 (error_with_ivar): Use error_with_file_and_line.
6057 (warn_with_method): Use warning_with_file_and_line.
6059 2001-03-20 Tom Tromey <tromey@redhat.com>
6061 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6063 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6065 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6066 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6068 2001-03-20 DJ Delorie <dj@redhat.com>
6070 * Makefile.in (install-libgcc): Pass complete list of variables.
6071 (install-multilib): Ditto.
6073 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6075 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6076 drectve_section, switch_to_section.
6078 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6079 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6080 i386_pe_mark_dllimport.
6082 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6084 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6085 functions i386_pe_*.
6087 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6088 i386_pe_* functions with char * arguments.
6090 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6092 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6094 (movsi_ie): Introduce fpul store.
6096 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6098 * Makefile.in (OBJS): Remove hashtab.o.
6100 2001-03-19 Stan Shebs <shebs@apple.com>
6102 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6103 * c-lang.c (maybe_objc_method_name): Ditto.
6104 * c-tree.h (maybe_objc_method_name): Remove decl.
6106 2001-03-19 Tom Tromey <tromey@redhat.com>
6108 * gcc.c (init_gcc_specs): Fix comment.
6110 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6112 Compute DECL_ASSEMBLER_NAME lazily.
6113 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6114 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6115 (SET_DECL_ASSEMBLER_NAME): Likewise.
6116 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6117 (set_decl_assembler_name): Declare.
6118 (lang_set_decl_assembler_name): Likewise.
6119 * tree.c (lang_set_decl_assembler_name): New variab.e
6120 (set_decl_assembler_name): New function.
6121 (init_obstacks): Set lang_set_decl_assembler_name.
6122 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6123 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6124 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6125 where it's not necessary.
6126 (builtin_function): Likewise.
6127 (finish_decl): Likewise.
6128 * dbxout.c (dbxout_type_methods): Likewise.
6129 * ggc-common.c (ggc_mark_trees): Likewise.
6130 * profile.c (output_func_start_profiler): Likewise.
6131 * varasm.c (make_decl_rtl): Likewise.
6133 * cse.c (find_comparison_args): Update documentation. Fix
6134 mishandling of COMPARE operations.
6136 * tree.def (ABS_EXPR): Add documentation.
6137 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6139 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6141 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6143 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6145 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6146 Remove ia32 linux PIC kludge and move it...
6147 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6149 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6151 * i386.md (absdf2 expander): Fix 64bit case.
6153 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6155 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6157 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6159 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6161 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6163 * README.X11: Remove obsolete file.
6165 2001-03-18 Anthony Green <green@redhat.com>
6167 * config/pj/pj.h: Remove some trailing commas.
6168 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6170 2001-03-18 Richard Henderson <rth@redhat.com>
6172 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6173 * calls.c: ... here.
6174 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6175 defaults for them here.
6177 2001-03-17 Anthony Green <green@redhat.com>
6179 * config/pj/lib1funcs.S: Fix broken comment.
6180 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6183 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6185 * gcc.texi: Remove obsolete information relating to build and
6186 installation problems with enquire or the Pyramid C compiler.
6188 2001-03-17 Richard Henderson <rth@redhat.com>
6190 * dwarf2out.c (queue_reg_save): New.
6191 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6192 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6194 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6195 (cfa, cfa_store, cfa_temp): Make static.
6196 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6198 2001-03-17 Richard Henderson <rth@redhat.com>
6200 * integrate.h (struct inline_remap): Add local_return_label.
6201 * integrate.c (expand_inline_function): Initialize it and emit
6202 it after copy_insn_notes.
6203 (copy_insn_list): Don't store local_return_label here.
6204 (copy_insn_notes): New function split out from copy_insn_list.
6206 2001-03-17 Richard Henderson <rth@redhat.com>
6208 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6209 is generating .debug_line.
6210 (dwarf2out_init): Add main_input_filename to the file table first.
6211 * configure.in (as_dwarf2_debug_line): Test with file number 1
6212 instead of file number 0.
6214 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6216 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6217 (gen_rtx_combine): Deleted; all references changed as appropriate.
6218 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6220 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6222 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6224 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6227 2001-03-16 Jim Wilson <wilson@redhat.com>
6229 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6230 then set it to LOC_REG (79) instead of aborting.
6232 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6234 * gccbug.in: Remove high priority.
6236 2001-03-16 Richard Henerson <rth@redhat.com>
6238 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6239 output with a space instead of deleting it.
6240 * configure: Regenerate.
6242 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6244 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6245 handles the gory details of converting an object file into
6246 something that's safe to grep.
6247 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6248 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6249 newlines at either end of the string we're looking for.
6250 Make 'checking ...' message less stilted.
6251 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6252 ARM in-memory layout and its hypothetical converse. Don't
6253 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6254 HOST_WORDS_BIG_ENDIAN.
6256 * configure.in: Adjust for renamed macro. Move
6257 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6258 * configure, config.in: Regenerate.
6260 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6262 * fixinc/Makefile.in: Set SHELL.
6264 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6266 * fixinc/fixincl.c (fix_with_system): Quote file names before
6267 passing them to shell.
6269 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6271 * Makefile.in: Use fix-header$(build_exeext) instead
6274 2001-03-16 Richard Henderson <rth@redhat.com>
6276 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6277 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6278 (size_of_line_prolog): Remove.
6279 (output_line_info): Compute prologue size via label difference.
6280 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6282 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6283 assembler error when redefining file numbers.
6284 * config.in, configure: Rebuild.
6286 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6287 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6288 (dw2_asm_output_delta_uleb128): Likewise.
6289 (dw2_asm_output_delta_sleb128): Similarly.
6290 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6292 2001-03-16 Michael Meissner <meissner@redhat.com>
6294 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6296 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6298 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6300 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6301 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6302 being unsigned in ISO C and signed in traditional.
6303 (expand_prologue): Ditto.
6304 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6306 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6308 (divsi3,divdi3): Ditto.
6309 (modsi3,moddi3): Ditto.
6310 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6311 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6312 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6315 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6317 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6318 SSE based conditional moves on LTGT/UNEQ conditions;
6319 Canonicalize EQ to NE.
6320 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6321 (sse_mov?fcc_ne): New.
6323 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6325 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6327 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6328 register may be dead.
6330 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6332 * Makefile.in (hash.o): Depend on CONFIG_H.
6334 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6336 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6338 2001-03-15 Richard Henderson <rth@redhat.com>
6340 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6341 (ASM_OUTPUT_DWARF_PCREL): New.
6342 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6344 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6346 * cppfiles.c (stack_include_file): Use MAX of sysp.
6348 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6350 * config.gcc (ia64*-*-hpux*): New case.
6351 * config/ia64/hpux.h: New file for HP-UX support.
6352 * config/ia64/t-hpux: New file for HP-UX support.
6354 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6356 * fixinc/inclhack.def (irix_stdio_va_list): New.
6357 * fixinc/fixincl.x: Rebuilt.
6359 2001-03-15 Richard Henderson <rth@redhat.com>
6361 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6362 if provided by the target.
6363 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6364 (dw2_asm_output_addr): New.
6365 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6366 * dwarf2out.c (output_cfi): Use it for program addresses.
6367 (output_call_frame_info, output_die): Likewise.
6368 (output_aranges, output_line_info): Likewise.
6370 2001-03-15 Bruce Korb <bkorb@gnu.org>
6372 * gcc.c(main): make more rigorous
6373 * collect2.c(main): guard against ignoring SIGCHLD
6374 * protoize.c(main): ditto
6375 * gcc/fixinc/fixincl.c(initialize): ditto
6377 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6379 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6380 (sdbout_parms): Likewise.
6382 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6384 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6385 "widen" a destination that is already wider than a word. Also do
6386 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6388 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6390 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6392 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6394 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6396 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6398 * i960.h (i960_maxbitalignment,
6399 i960_last_maxbitalignment): Declare.
6400 * i960.c (i960_maxbitalignment,
6401 i960_last_maxbitalignment): Make global.
6402 (process_pragma): Delete.
6403 (i960_pr_align, i960_pr_noalign): Move from here ...
6404 * i960-c.c: ... to this new file.
6405 * t-960bare (i960-c.o): New rule.
6406 * t-vxworks960 (i960-c.o): Likewise.
6407 * config.gcc (i960-*-*): Define c_target_objs and
6410 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6412 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6413 without adding in rtx code and mode.
6415 * alias.c (init_alias_analysis): Don't use any rtx whose value
6416 varies as a known value.
6417 Delete a superfluous test.
6419 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6421 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6422 scheduling a stop bit.
6423 (ia64_emit_nops): Correctly handle ASMs.
6425 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6427 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6429 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6431 * cpp.texi: Update documentation for -include and -imacros.
6432 * cppfiles.c (struct include_file): Remove "defined" memeber.
6433 (find_or_create_entry): Make a copy of the file name, and
6435 (open_file): Update to ensure we use the simplified filename.
6436 (stack_include_file): Don't set search_from.
6437 (cpp_included): Don't simplify the path name here.
6438 (find_include_file): New prototype. Call search_from to
6439 get the start of the "" include chain. Don't simplify the
6441 (_cpp_execute_include): New prototype. Move diagnostics to
6442 do_include_common. Update.
6443 (_cpp_pop_file_buffer): Don't set defined.
6444 (search_from): New prototype. Use the preprocessor's cwd
6445 for files included from the command line.
6446 (read_name_map): Don't simplify the pathname here.
6447 * cpphash.h (enum include_type): New.
6448 (struct buffer): Delete search from. New search_cached.
6449 (_cpp_execute_include): Update prototype.
6450 * cppinit.c (do_includes): Use _cpp_execute_include.
6451 * cpplib.c (do_include_common): New function.
6452 (do_include, do_include_next, do_import): Use it.
6454 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6456 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6457 contents of the RTL, to determine the name of the object.
6459 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6461 * tree.h (DECL_RTL): Allocate RTL lazily.
6462 (SET_DECL_RTL): New macro.
6463 (DECL_RTL_SET_P): Likewise.
6464 (COPY_DECL_RTL): Likewise.
6465 (DECL_RTL_IF_SET): Likewise.
6466 * varasm.c (make_decl_rtl): Add assertions about the kind of
6467 declaration we are processing.
6468 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6469 (start_decl): Likewise.
6470 (finish_decl): Likewise.
6471 * c-semantics.c (emit_local_var): Likewise.
6472 * calls.c (expand_call): Likewise.
6473 * dbxout.c (dbxout_symbol): Likewise.
6474 * emit-rtl.c (unshare_all_rtl): Likewise.
6475 (unshare_all_decls): Likewise.
6476 (reset_used_decls): Likewise.
6477 * expr.c (store_constructor): Likewise.
6478 (safe_from_p): Likewise.
6479 (expand_expr): Likewise.
6480 * function.c (put_var_into_stack): Likewise.
6481 (instantiate_decls_1): Likewise.
6482 (assign_parms): Likewise.
6483 (expand_function_start): Likewise.
6484 (expand_function_end): Likewise.
6485 * ggc-common.c (gcc_mark_trees): Likewise.
6486 * integrate.c (function_cannot_inline_p): Likewise.
6487 (copy_decl_for_inlining): Likewise.
6488 (expand_inline_function): Likewise.
6489 (integrate_parm_decls): Likewise.
6490 (integrate_decl_tree): Likewise.
6491 * print-tree.c (print_node): Likewise.
6492 * reg-stack.c (stack_result): Likewise.
6493 * stmt.c (label_rtx): Likewise.
6494 (expand_return): Likewise.
6495 (expand_decl): Likewise.
6496 (expand_decl_cleanup): Likewise.
6497 (expand_anon_union_decl): Likewise.
6498 * toplev.c (check_global_declarations): Likewise.
6499 (rest_of_decl_compilation): Likewise.
6500 * tree.c (simple_cst_equal): Likewise.
6501 * objc/objc-act.c (generate_static_references): Likewise.
6503 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6505 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6506 gcc_AC_C_FLOAT_FORMAT): New macros.
6507 * configure.in: Add AC_PROG_CPP after CC tests;
6508 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6509 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6510 * configure, config.in: Regenerate.
6512 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6513 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6514 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6515 config/i370/xm-linux.h, config/i370/xm-oe.h,
6516 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6517 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6518 config/pa/xm-linux.h, config/pa/xm-pa.h,
6519 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6520 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6521 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6522 config/we32k/xm-we32k.h: Delete.
6524 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6525 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6526 config/vax/xm-vms.h: Don't define any of:
6527 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6529 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6531 * config.gcc: Remove references to deleted files.
6532 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6533 FATAL_EXIT_CODE, which is the same between oe and mvs).
6535 2001-03-14 DJ Delorie <dj@redhat.com>
6536 Vladimir Makarov <vmakarov@redhat.com>
6538 * config/i960/i960.c (i960_function_prologue): Compute size of
6539 frame according to number of registers actually saved there.
6541 2001-03-14 Richard Henderson <rth@redhat.com>
6543 * expr.c (emit_move_insn_1): Fix else if around #endif.
6545 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6548 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6551 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6553 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6554 (override_options): Parse cmodel string.
6555 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6556 * i386.h (TARGET_OPTIONS): Add "cmodel".
6557 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6559 (ix86_cmodel_string, ix86_cmodel): Declare.
6561 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6564 * i386.h (GENERAL_REG_P): Add missing REG_P.
6566 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6568 * configure.in: Use $gcc_cv_as instead of $as.
6569 * configure: Regenerated.
6571 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6573 * cppfiles.c (stack_include_file): Only increase the include
6574 count if we actually process the file properly, as opposed
6575 to treating it as length zero. Only call read_include_file
6576 if not DO_NOT_REREAD. Handle the -H include file output
6578 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6579 (cpp_included, find_include_file): Simplify pathnames after
6580 remapping them. If remapping, don't use the remapped file
6581 name's buffer as our scratch buffer.
6582 (cpp_pop_file_buffer): Replace the multiple include macro
6583 only if it isn't yet set.
6584 (read_name_map): Simplify remapped names when reading in.
6585 (remap_filename): Move code to code path that uses it.
6586 (_cpp_simplify_pathname): Return the input pointer.
6587 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6589 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6591 * expr.c (expand_expr): Revove bogus conditional.
6593 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6595 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6597 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6599 * reg-stack.c (stack_result): Unconditionally use
6600 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6602 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6604 * expr.c (emit_move_insn_1): Split push of complex value when
6605 no suitable push instruction exist.
6607 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6608 instead of QI_REG_P.
6610 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6612 * alias.c (handled_component_p, can_address_p): New functions.
6613 (get_alias_set): Use them.
6615 2001-03-13 Jim Wilson <wilson@redhat.com>
6617 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6618 from 80 in try_locals code.
6619 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6621 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6623 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6624 gcc_AC_C_LONG_LONG): New.
6625 * configure.in: Use them. Probe the size of short, int, long,
6626 and long long/__int64 if we have them. Move all the AC_C_*
6627 checks together, except gcc_AC_C_CHAR_BIT which has to go
6628 after AC_CHECK_HEADERS(limits.h).
6629 Take hwint.h out of host_xm_file and build_xm_file.
6631 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6632 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6633 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6634 Move the HOST_WIDEST_INT setup logic here from system.h.
6635 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6637 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6638 is now handled by hwint.h.
6640 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6641 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6642 config/ia64/xm-ia64.h: Don't define any of:
6643 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6644 HOST_BITS_PER_LONGLONG.
6646 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6647 config/h8300/xm-h8300.h, config/mips/iris6.h,
6648 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6649 config/sparc/xm-sp64.h: Delete.
6650 * config.gcc: Remove references to deleted files.
6652 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6653 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6654 * config/i370/xm-linux.h: Clarify floating-point situation in
6657 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6659 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6660 (find_include_file): Decide here which part of the include
6661 chain to start the search. Complain about an empty include
6662 chain in all cases apart from an abolsute file name.
6663 (_cpp_execute_include): Don't choose the search chain here.
6664 Don't call handle_missing_include in the case of an empty
6666 (_cpp_compare_file_date): Don't choose the search chain here.
6667 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6668 here from _cpp_execute_include. Behave like #include if
6669 we're in the main file.
6671 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6673 * system.h (malloc, realloc, calloc, strdup): Only poison these
6674 tokens when IN_GCC is defined.
6676 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6678 * i386.md (abs?f expander): Support SSE case.
6679 (abd?f_if): Add new "USE"; add splitters.
6681 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6683 * cpp.texi (poison): Explain the macro expansion exception.
6685 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6687 * expr.c (store_expr): Add dont_store_target. If temp is already in
6688 target before copying to reg, don't store it into target again.
6690 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6692 * cppinternals.texi: Update for file handling.
6694 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6696 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6697 2001-02-24 which broke building the Java library.
6698 * function.c (identify_blocks): Likewise.
6699 (all_blocks): Likewise.
6700 * integrate.c (integrate_decl_tree): Likewise.
6701 * print-tree.c (print_node): Likewise.
6702 * tree.h (BLOCK_NUMBER): Likewise.
6703 (struct tree_block): Likewise.
6705 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6707 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6708 __WCHAR_TYPE__ definition.
6709 (WCHAR_TYPE_SIZE): #undef before #define.
6711 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6713 * cppfiles.c: Update comments.
6714 (destroy_include_file_node): Rename destroy_node.
6715 (find_or_create_entry): New function.
6716 (open_file, _cpp_fake_include): Use it.
6717 (handle_missing_header): New function, broken out of
6718 _cpp_execute include. Don't segfault if there is no
6719 system or quoted path.
6720 (_cpp_execute_include): Use handle_missing_header.
6722 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6724 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6725 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6727 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6729 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6730 unless anti_dependence says they are.
6731 * alias.c (objects_must_conflict): If neither has a type specified,
6734 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6735 David Billinghurst <David.Billinghurst@riotinto.com>
6737 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6739 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6741 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6742 (*_one_bit): Remove type on the match_operand in attributes.
6744 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6746 * i386.c: Commit forgotten hunk in previous patch.
6747 (regclass_map): Add extended registers.
6748 (dbx_register_map): Add missing frame register.
6750 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6752 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6754 * i386.md (x86_sahf_1): Disable for 64bit.
6755 (popsi*, pophi*): Likewise.
6756 (pushqi, pushhi): Likewise.
6757 (movdi, pushdi): Likewise.
6758 (zero extend DImode splitter): Likewise.
6759 (adddi, minusdi splitter): Likewise.
6760 (umulsidi): Likewise.
6762 (mulsidi): Disable for 64bit
6763 (lshift:DI/ashift:DI): Disable for 64bit.
6764 (loop patterns): Likewise.
6765 (call_pop, call_value_pop expanders and patterns): Likewise.
6766 (prologue_get_pc): Likewise.
6768 (fcmovDI pattern and splitter): Likewise.
6769 (movdfcc_1_rex64): New.
6771 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6773 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6774 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6775 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6776 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6777 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6778 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6779 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6780 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6781 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6782 (REGPARM_MAX): Set to 6 for x86_64.
6783 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6784 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6787 * (patterns that does use upper halves): Update constraints
6788 'q' to 'Q' and 'r' to 'R'.
6789 (cmpqi_ext_1): Disable for 64bit.
6790 (cmpqi_ext_3_insn): Likewise.
6791 (movqi_extzv_1): Likewsie.
6792 (addqi_ext_1): Liekwsie
6793 (testqi_ext_1): Liekwsie
6794 (andqi_ext_1): Liekwsie
6795 (xorqi_ext_1): Liekwsie
6796 (cmpqi_ext_1_rex64): New.
6797 (cmpqi_ext_3_insn_rex64): Likewise.
6798 (movqi_extzv_1_rex64): Likewsie.
6799 (addqi_ext_1_rex64): Liekwsie
6800 (testqi_ext_1_rex64): Liekwsie
6801 (andqi_ext_1_rex64): Liekwsie
6802 (xorqi_ext_1_rex64): Liekwsie
6804 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6806 * configure.in: Move check for unsigned enumerated bitfields
6807 to macro in aclocal.m4. Disable it for now.
6808 * configure, config.in: Regenerate.
6809 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6810 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6811 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6812 kind above its first use.
6814 * config/xm-interix.h, config/alpha/xm-alpha.h,
6815 config/i370/xm-linux.h, config/i386/xm-beos.h,
6816 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6817 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6818 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6819 Don't define ONLY_INT_FIELDS under any circumstances.
6821 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6823 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6824 config/sparc/xm-sysv4.h: Delete - now identical with some
6826 * config.gcc (hppa targets): Replace xm-pahpux.h and
6827 xm-papro.h with implicit xm-pa.h.
6828 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6831 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6833 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6834 before reload_cse_noop_set_p.
6836 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6838 * config.gcc: Where xm-host.h used to include another
6839 xm-host.h, list the nested header directly in xm_file. Remove
6840 references to deleted files. Can now use sparc/xm-sp64.h for
6843 * config/xm-linux.h, config/arm/xm-linux.h,
6844 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6845 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6846 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6847 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6848 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6851 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6852 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6853 bother to wrap #undef in #ifdef.
6854 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6855 Don't include xm-linux.h.
6856 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6858 * configure.in: Wrap regexps using [] in changequote block.
6859 Use expr : not echo | grep. Simplify regexps.
6860 * configure: Regenerate.
6862 56 xm-files remain, 22 xm-arch.
6864 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6866 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6867 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6868 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6869 (copy_object): Fix format specifier vs argument mismatch.
6871 * mips-tdump.c: Make local functions static.
6872 (rindex): Don't #undef.
6873 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6874 (fatal, fancy_abort): Delete.
6875 (read_seek): Avoid signed/unsigned compare.
6877 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6879 * combine.c (try_combine): Fix error in change to try original
6881 (gen_rtx_combine): Do same as gen_rtx for now.
6883 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6885 * configure.in: AC_SUBST xm_defines.
6886 * configure: Regenerate.
6887 * Makefile.in: Set DEFINES=$(xm_defines) when building
6890 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6892 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6893 (cpp_included, find_include_file): Update.
6894 (_cpp_compare_file_date): Make else unconditional.
6896 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6898 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6900 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6902 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6903 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6905 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6907 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6908 if it's a record type.
6910 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6912 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6913 mingw includes slightly.
6915 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6917 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6918 #undef token before poisoning it.
6920 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6922 * alpha.c (check_float_value): Use memcpy, not bcopy.
6924 * m32r.c (m32r_sched_reorder): Likewise.
6926 * vax.c (check_float_value): Likewise.
6928 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6930 * toplev.c (file_name_nondirectory): Remove.
6931 * toplev.h: Similarly.
6932 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6933 of file_name_nondirectory.
6935 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6937 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6938 * mips-tfile.c: Don't #undef rindex; not used.
6940 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6942 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6943 (dbx64_register_map): Declare.
6944 (RETURN_ADDR_RTX): Fix for 64bit.
6945 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6946 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6947 * i386.c (dbx64_register_map): New global array.
6948 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6949 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6952 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6954 * cppfiles.c (search_from): Use lbasename.
6955 * mkdeps.c (deps_add_default_target): Use lbasename.
6957 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6959 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6960 xcalloc in lieu of malloc, realloc & calloc.
6962 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6964 * gengenrtl.c (xmalloc): Likewise.
6966 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6967 really_call_* memory allocation routines.
6969 * stmt.c (check_for_full_enumeration_handling): Use
6970 really_call_calloc, not calloc.
6972 * system.h (really_call_malloc, really_call_calloc,
6973 really_call_realloc): Define.
6974 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6976 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6978 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6980 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6982 * configure: Rebuilt.
6983 * configure.in: Only use `lang_requires' for languages athat are
6986 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6988 * invoke.texi: Fix typo.
6989 * gcc.1: Regenerate.
6991 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6993 * configure.in: Prune nonexistent files from build_xm_file,
6994 xm_file, and host_xm_file lists. Warn unless they're
6996 Don't generate *config.h here.
6997 AC_SUBST all variables needed to generate *config.h.
6998 * configure: Regenerate.
6999 * mkconfig.sh: New helper script, from code removed from
7001 * Makefile.in: Zap all MALLOC variables - no longer used
7002 anywhere, and malloc.c doesn't exist.
7003 Substitute in variables needed to generate *config.h.
7004 Stop lying about the dependencies contained in CONFIG_H and
7006 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7007 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7008 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7009 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7010 $(TM_P_H), etc. as appropriate.
7012 * config.gcc: Zap references to deleted files.
7013 * ggc-none.c: Don't include rtl.h or tm_p.h.
7015 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7016 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7017 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7018 config/i386/xm-linux.h, config/i386/xm-linux.h,
7019 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7020 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7021 Don't include i386/xm-i386.h.
7023 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7024 config/i386/xm-i386.h, config/i860/xm-i860.h,
7025 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7026 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7027 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7028 Delete (empty except comments, #includes of other deleted
7029 files, and macros used nowhere).
7031 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7033 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7034 independent on TARGET_FLAGS.
7036 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7038 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7040 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7042 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7044 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7045 LAST_REX_SSE_REG): define.
7046 (enum reg_class): Add 'LEGACY_REGS'
7047 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7048 (SSE_REGNO_P): Recognize extended registers.
7049 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7050 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7051 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7052 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7053 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7054 REG_OK_FOR_STRREG_P): Remove.
7055 (HI_REGISTER_NAMES): Add extended registers.
7056 (ADDITIONAL_REGISTER_NAMES): Likewise.
7057 (QI_REGISTER_NAMES): Add 8bit extended registers.
7058 (DEBUG_REG): Support extended registers.
7059 * i386.c (regclass_map): Add extended registers.
7060 (dbx_register-map): Likewise.
7061 (svr4_dbx_register_map): Likewise.
7062 (print_reg): Support extended registers.
7063 (print_operand): Support 64bit operands.
7065 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7067 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7068 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7069 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7070 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7071 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7072 STACK_BOUNDARY): Set properly for 64bits.
7073 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7074 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7075 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7076 (MOVE_MAX): Set to 16.
7077 (MOVE_MAX_PIECES): 8 for 64bit.
7078 (Pmode): Set to SImode.
7080 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7082 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7084 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7086 * i386.h (mask_64bit): New constant.
7087 (target_64bit): New macro.
7088 (target_options): Add '64'/'32'
7089 (target_default): Define.
7090 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7091 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7092 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7094 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7096 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7098 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7100 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7101 LO_SUM unless for_alias is set.
7103 2001-03-08 Stan Shebs <shebs@apple.com>
7105 * objc/objc-act.c: Fix old typos in comments, add comments for
7107 (hash_init): Fix file name in error message.
7108 (hash_enter): Ditto.
7109 (hash_add_attr): Ditto.
7110 (continue_class): Ditto.
7112 2001-03-08 Bruce Korb <bkorb@gnu.org>
7114 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7115 wait4() can receive the signal.
7117 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7119 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7121 * fixinc/fixincl.x: Regenerate.
7123 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7125 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7127 * fixinc/fixincl.x: Regenerate.
7129 2001-03-08 Richard Henderson <rth@redhat.com>
7131 * configure.in (HAVE_AS_LEB128): New assembler check.
7132 * configure, config.in: Rebuilt.
7134 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7136 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7139 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7141 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7142 references to the MAXPATHLEN macro.
7144 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7145 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7148 * config/i386/xm-gnu.h, config/xm-gnu.h,
7149 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7150 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7151 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7152 and/or unused files.
7154 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7155 doing so in various xm-*.h files.
7157 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7159 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7161 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7163 * configure.in (enable_shared): Support per-package shared-library
7165 * configure: Rebuilt.
7167 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7169 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7170 for crnot. Set operands[5] in splitter.
7172 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7174 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7175 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7176 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7177 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7178 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7179 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7180 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7183 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7184 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7185 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7186 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7187 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7188 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7189 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7190 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7191 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7192 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7193 Delete unused and/or empty files.
7195 * config.gcc: Define USG in xm_defines as appropriate. Define
7196 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7197 macro. Remove deleted xm-* files from $xm_files variable.
7199 2001-03-07 Tom Tromey <tromey@redhat.com>
7201 * configure: Rebuilt.
7202 * configure.in: Allow config-lang.in to set `lang_requires' to list
7203 of other required languages.
7205 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7207 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7209 (output_prologue): Use xmalloc not oballoc.
7210 (output_epilog): Free a29k_first_epilogue_insn when finished.
7211 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7213 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7215 * builtins.c (expand_builtin_mathfn): Check
7216 flag_unsafe_math_optimizations, not flag_fast_math.
7217 (expand_builtin): Likewise
7218 * combine.c (combine_simplify_rtx): Likewise.
7219 (simplify_if_then_else): Likewise.
7220 * cse.c (fold_rtx): Likewise.
7221 * flags.h: Remove flag_fast_math. Add
7222 flag_unsafe_math_optimizations and flag_trapping_math.
7223 * fold-const.c (negate_expr): Check
7224 flag_unsafe_math_optimizations, not flag_fast_math.
7225 (invert_truthvalue): Likewise.
7226 (fold): Likewise. Before associating operands, check that
7227 code == MULT_EXPR, not code != MULT_EXPR.
7228 * ifcvt.c (noce_try_minmax): Check
7229 flag_unsafe_math_optimizations, not flag_fast_math.
7230 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7231 * invoke.texi: Document -funsafe-math-optimizations and
7232 -fno-trapping-math. Change documentation for -ffast-math.
7233 * jump.c (reversed_comparison_code_parts): Likewise.
7234 (rtx_equal_for_thread_p): Likewise.
7235 * optabs.c (emit_conditional_move): Likewise.
7236 * simplify-rtx.c (simplify_binary_operation): Likewise.
7237 (simplify_relational_operation): Likewise.
7238 (simplify_ternary_operation): Likewise.
7239 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7240 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7241 Add trapping-math and unsafe-math-optimizations entries to f_options.
7242 (set_fast_math_flags): New, sets flags for -ffast-math.
7243 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7244 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7245 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7247 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7248 (alpha_emit_conditional_move): Initialize local_fast_math to
7249 flag_unsafe_math_optimizations, not flat_fast_math.
7250 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7251 instead of setting flag_fast_math to 1.
7252 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7254 * config/i386/i386.c (override_options): Likewise
7255 * config/i386/i386.md: Likewise.
7256 * config/m68k/m68k.md: Likewise.
7257 * config/mips/mips.md: Likewise.
7258 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7259 (rs6000_generate_compare): Likewise.
7261 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7263 * Makefile.in: Set RANLIB to @RANLIB@.
7266 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7268 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7269 * fixinc/fixincl.x: Regenerated.
7271 2001-03-07 Richard Henderson <rth@redhat.com>
7273 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7275 2001-03-07 Richard Henderson <rth@redhat.com>
7277 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7278 of block notes and exception handling notes.
7280 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7281 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7282 (compile_file): ... here.
7284 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7286 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7288 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7289 config.h now. Include libiberty.h to handle alloca.
7291 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7293 * c-parse.in (yylexname): New function, split out of _yylex.
7294 (objc_rid_sans_at): New table.
7295 (init_reswords): Initialize it.
7296 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7297 retrieving the next token and checking it for significance as
7298 an ObjC keyword or string constant.
7300 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7301 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7303 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7306 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7308 * config/m68k/m68k.c (const_uint32_operand): Accept any
7309 const_int on a 32-bit host.
7311 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7313 * objc/objc-act.c (init_objc): Set save_lang_status,
7314 restore_lang_status, and mark_lang_status.
7316 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7318 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7320 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7322 * cppinternals.texi: Update.
7324 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7326 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7327 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7328 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7329 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7330 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7331 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7332 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7333 config/i386/xm-i386.h, config/i860/xm-i860.h,
7334 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7335 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7336 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7337 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7338 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7339 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7340 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7341 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7342 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7343 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7344 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7345 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7346 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7347 match the defaults provided in hwint.h.
7349 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7350 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7352 * config.gcc (xm_file): Don't set to files which are deleted.
7354 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7355 guard this file against these macros being undefined.
7357 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7359 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7360 and DECL_DEFER_OUTPUT on the decl we create, before calling
7361 rest_of_decl_compilation.
7363 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7365 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7367 * configure, config.in: Regenerate.
7368 * config.gcc: Remove references to deleted files.
7370 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7371 genrecog.c, rtl.c: Do not use alloca anywhere.
7373 * Makefile.in, build-make, system.h, config/x-interix,
7374 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7375 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7376 config/arc/xm-arc.h, config/arm/xm-arm.h,
7377 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7378 config/h8300/xm-h8300.h, config/i370/x-oe,
7379 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7380 config/i386/x-ncr3000, config/i386/x-sco5,
7381 config/i386/xm-dgux.h, config/i860/x-sysv4,
7382 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7383 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7384 config/m68k/x-hp320g, config/m69k/x-mot3300,
7385 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7386 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7387 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7388 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7389 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7390 config/mips/x-iris, config/mips/x-iris3,
7391 config/mips/x-sni-svr4, config/mips/x-sysv,
7392 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7393 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7394 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7395 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7396 config/pa/xm-papro.h, config/romp/xm-romp.h,
7397 config/rs6000/x-aix31, config/rs6000/x-aix41,
7398 config/rs6000/x-beos, config/rs6000/x-lynx,
7399 config/rs6000/x-mach, config/rs6000/x-rs6000,
7400 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7401 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7402 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7403 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7404 config/vax/xm-vms.h: Eradicate all references to alloca and
7407 * config/xm-alloca.h, config/clipper/x-clix,
7408 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7409 config/i860/x-sysv3, config/m88k/x-sysv3,
7410 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7411 (contained only alloca related hacks).
7413 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7416 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7418 * invoke.texi: Document __FAST_MATH__.
7420 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7422 * crtstuff.c: Restore include of auto-host.h.
7424 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7426 Put main() in a separate file, so that the language
7427 front-end can use a different main().
7430 * toplev.c: (main): Rename as toplev_main.
7431 * toplev.h: Declare toplev_main.
7432 * Makefile.in (OBJS): add toplev.o.
7433 (BACKEND): remove toplev.o, add main.o.
7435 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7437 * cppfiles.c (search_from): Special case the empty string.
7439 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7441 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7442 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7443 strlen or strcpy; we already know the length.
7444 (_cpp_compare_file_date): Similarly.
7445 * cpphash.h (struct cpp_reader): Delete done_initialising.
7446 (CPP_PREV_BUFFER): Delete.
7447 * cppinit.c (cpp_start_read): Don't set done_initialising.
7448 * cpplex.c (parse_string): Guarantee null-termination.
7449 (_cpp_equiv_toklists): Remove.
7450 * cpplib.c (glue_header_name): Null-terminate.
7451 (do_line): Don't leak memory.
7452 * cpplib.h (BT_WEAK): Delete.
7453 * cppmain.c (cb_ident): Strings are now null-terminated.
7455 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7457 * gcc.c (convert_filename): Append executable suffix
7458 if NO_AUTO_EXE_SUFFIX is not defined.
7459 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7460 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7462 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7464 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7465 * c-parse.gperf, c-gperf.h: Delete.
7466 (c-gperf.h was accidently re-added to the CVS repo in the rev
7467 1.16 commit by tromey)
7469 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7471 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7472 macro arguments when looking for the '('.
7473 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7474 2 when really parsing arguments; 1 when looking for '('.
7475 Always restore the lexer position.
7477 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7479 * longlong.h (umul_ppmm): Don't use a multiline string.
7481 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7483 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7484 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7485 t_bool in declaration because pcc can't combine volatile with typedef
7488 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7490 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7491 until when it is really needed.
7492 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7493 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7494 * i386.md (float?i?f splitter): Don't force source operand to memory
7496 (sse_movdfcc): Fix constraint.
7497 (sse_movdfcc splitter): Handle properly the second alternative.
7499 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7501 * cpplex.c (parse_string): Unconditionally pedwarn.
7503 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7506 * cppexp.c (parse_number): Update.
7507 * cpplex.c (parse_string): Pedwarn if multiline string does not
7508 result from a system header's macro.
7509 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7510 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7511 for function-like macros too.
7512 * c-lex.c (lex_number): Update.
7514 2001-03-03 Richard Henderson <rth@redhat.com>
7516 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7518 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7520 * combine.c (try_combine): If split with mode-changed scratch
7521 register didn't work, try the original mode.
7523 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7525 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7526 * config/c4x/c4x.h: Likewise.
7527 * stor-layout.c (compute_record_mode): Likewise.
7528 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7530 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7532 * configure.in: Kill tm.h. Include the files in the $tm_file
7533 list in all three of config.h, hconfig.h, tconfig.h, after the
7534 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7535 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7536 * configure: Regenerate.
7537 * Makefile.in (clean): Don't delete tm.h.
7539 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7540 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7541 those are not defined, set SEC and FEC to 0 and 1.
7542 * gcc.texi: Update to match.
7544 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7545 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7546 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7547 Include tconfig.h, not tm.h.
7549 * config/xm-lynx.h, config/xm-std32.h,
7550 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7551 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7552 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7553 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7554 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7555 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7556 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7557 config/i386/xm-i386.h, config/i860/xm-i860.h,
7558 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7559 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7560 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7561 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7562 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7563 config/pa/xm-linux.h, config/pa/xm-pa.h,
7564 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7565 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7566 config/pj/xm-pj.h, config/romp/xm-romp.h,
7567 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7568 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7569 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7570 config/v850/xm-v850.h, config/vax/xm-vax.h,
7571 config/we32k/xm-we32k.h:
7573 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7575 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7576 config/i370/xm-oe.h: Don't include tm.h. Don't define
7578 * config/vax/xm-vms.h: Don't include tm.h.
7580 * config/xm-lynx.h, config/avr/xm-avr.h,
7581 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7582 Delete; made empty by above changes.
7583 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7584 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7585 Don't include config/xm-lynx.h or tm.h.
7587 * config/xm-gnu.h: Don't include fcntl.h.
7588 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7590 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7592 2001-03-02 Richard Henderson <rth@redhat.com>
7594 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7595 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7597 2001-03-02 Richard Henderson <rth@redhat.com>
7599 * Makefile.in (OBJS): Add dwarf2asm.o.
7600 * dwarf2asm.c, dwarf2asm.h: New files.
7601 * dwarf2out.c (*): Use them.
7602 (size_of_uleb128, size_of_sleb128): Remove.
7603 (output_uleb128, output_sleb128): Remove.
7604 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7605 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7606 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7607 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7608 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7609 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7610 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7611 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7612 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7613 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7614 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7615 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7616 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7617 (dwarf2out_frame_debug): Remove unused variables.
7618 (output_loc_operands): Don't abort on 8 byte constants if
7619 host integers are wide enough.
7620 (output_symbolic_ref): Remove.
7621 (size_of_die): Don't assume 4 byte host integers.
7622 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7624 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7625 something stupid with HOST_WIDE_INT to long truncation.
7626 [CONST_DOUBLE]: Likewise.
7628 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7629 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7630 * config/arm/unknown-elf.h: Likewise.
7631 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7632 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7633 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7634 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7635 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7636 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7637 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7638 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7639 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7640 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7641 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7642 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7644 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7646 * cselib.c (hash_rtx): Cast enums to unsigned int.
7648 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7650 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7651 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7653 * c-format.c (C_STD_VER): Cast to int for comparisons.
7654 (check_function_format): Cast various enums to int for &.
7655 (maybe_read_dollar_number): Likewise.
7656 (check_format_info): Likewise.
7657 (check_format_info_main): Likewise.
7658 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7659 (safe_from_p): Likewise.
7660 * varasm.c (const_hash): Cast enum to int for %.
7661 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7662 pcc enum problems with < and ++ operators.
7663 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7664 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7665 (regclass_init): Change enum class to int to iterate over reg_classes.
7666 * genrecog.c (merge_trees): Cast enums for comparison.
7667 * rtl.h (GET_CODE): Cast to enum rtx_code.
7668 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7669 (GET_MODE): Cast to enum machine_mode.
7670 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7671 (GET_NOTE_INSN_NAME): Cast enum to int.
7672 * tree.h (TREE_CODE): Cast to enum tree_code.
7673 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7674 * timevar.c (timevar_print): Change loop variable id from enum to
7676 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7677 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7678 * toplev.c (compile_file): Cast enum DFI to int.
7679 (decode_d_option): Likewise.
7681 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7683 * cppinit.c (append_include_chain): Mark "after" include file name list
7684 as a system directory.
7685 * cpp.texi: Document new behavior.
7687 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7689 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7691 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7693 * cppfiles.c (struct include_file): Update.
7694 (stack_include_file): Use search_from.
7695 (cpp_included, find_include_file): Update.
7696 (cpp_execute_include): Update. ptr->name may not be
7697 null terminated. Use the new search_from member variable
7699 (_cpp_compare_file_date): Similarly.
7700 (search_from): New function, similiar to actual_directory.
7701 (actual_directory): Delete.
7702 (remap_filename): Update. loc->name may not be null terminated.
7703 (struct file_name_list): Rename search_path. Update.
7704 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7705 search_from and dir.
7706 (struct cpp_reader): Remove actual_dirs.
7707 * cppinit.c (struct cpp_pending): Update for renamed objects.
7708 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7709 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7710 * cpplib.h (struct cpp_options): Similarly.
7712 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7714 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7715 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7716 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7717 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7718 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7719 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7720 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7721 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7722 config/i370/xm-oe.h, config/i386/xm-aix.h,
7723 config/i386/xm-i386.h, config/i386/xm-osf.h,
7724 config/i860/xm-i860.h, config/i960/xm-i960.h,
7725 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7726 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7727 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7728 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7729 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7730 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7731 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7732 config/pj/xm-pj.h, config/romp/xm-romp.h,
7733 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7734 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7735 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7736 config/v850/xm-v850.h, config/vax/xm-vax.h,
7737 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7738 Do not define TRUE or FALSE.
7740 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7741 empty by above change.
7742 * config.gcc: Remove references to these files.
7744 * configure.in: Detect stdbool.h.
7745 * configure, config.in: Regenerate.
7746 * system.h: Include stddef.h here if available.
7747 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7748 Then set up a sensible boolean type at the very end.
7750 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7751 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7753 * hash.h: Delete 'boolean' typedef and related #undefs.
7755 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7756 all uses of 'boolean' with 'bool'.
7758 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7760 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7761 * cppexp.c (lex): Cast enums for comparison.
7762 * cppinit.c (parse_option): Cast enum for comparison.
7763 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7764 (cpp_output_token): Likewise.
7765 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7766 (cpp_avoid_paste): Cast enums for minus and comparison.
7768 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7770 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7771 field to all array elements.
7773 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7775 * cpphash.h (struct cpp_reader): Add print_version field.
7776 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7777 just set print_version and other flags as appropriate.
7778 (cpp_post_options): Print version here if print_version is set.
7780 * toplev.c (exit_after_options): New flag.
7781 (independent_decode_option): Don't exit here; just set
7783 (main): Exit after calling lang_hooks.post_options if
7784 exit_after_options is true.
7786 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7787 (merge_include_chains): Adjust comment to match code.
7789 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7791 * stringpool.c (set_identifier): New function.
7792 * tree.h: Prototype it.
7794 * c-parse.in: Kill D_YES. If compiled for objc, call
7795 save_and_forget_protocol_qualifiers from init_reswords.
7796 * objc/objc-act.c (remember_protocol_qualifiers,
7797 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7798 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7800 (save_and_forget_protocol_qualifiers): New function.
7801 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7803 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7805 * c-semantics.c (prune_unused_decls): Return error_mark_node
7806 instead of (tree) 1 to stop traversing the tree chain.
7808 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7810 Fix a problem introduced by Kenner's Feb 18 change.
7811 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7812 flag_cse_skip_blocks only temporarily, not for ever.
7814 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7816 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7817 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7819 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7820 before determining its register class.
7822 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7824 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7825 from reg 4 if current_function_calls_setjmp.
7826 (gen_nop_type): New function.
7827 (ia64_emit_nops): New function.
7828 (ia64_reorg): Call it.
7829 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7831 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7832 code not to try to optimize adds with anything but a REG destination.
7834 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7835 (INSN_PRIORITY_KNOWN): New accessor macro.
7836 * haifa-sched.c (priority): Use it instead of testing priority against
7839 2001-02-28 DJ Delorie <dj@redhat.com>
7841 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7842 since that doesn't work the way gcc wants on a generic m68k.
7844 2001-02-28 Richard Henderson <rth@redhat.com>
7846 * caller-save.c (save_call_clobbered_regs): Fix typo in
7847 comparison last change.
7849 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7851 * i386.c (pentium4_cost): New.
7852 (m_PENT4): New macro.
7853 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7854 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7855 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7856 x86_memory_mismatch_stall): Add Pentium4
7857 (x86_use_q_reg, x86_use_any_reg): Kill.
7858 (override_options): Add pentium4.
7859 (incdec_operand): Return 0 for pentium4.
7860 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7861 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7862 (TARGET_PENTIUM4): Define.
7863 (enum processor_type): Add PROCESSOR_PENTIUM4.
7864 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7865 * i386.md (attribute "cpu"): Add pentium4.
7866 * invoke.texi (march): Add pentium4.
7868 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7870 * i386.md (sse_mov?fcc*): New patterns and splitters.
7871 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7872 the SSE based conditional moves.
7874 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7876 * i386.md (attribute mode): Add "TI".
7877 (movsf_1): Add pxor support; remove constant propagation splitter.
7878 (movdf_integer): Likewise.
7879 (movdf_nointeger): Likewise.
7880 (movxf constant prop splitter): Handle all modes; update for SSE.
7881 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7882 * i386.c (standard_80387_constant_p): Rewrite.
7883 (standard_sse_constant_p): New.
7884 * i386-protos.h (standard_sse_constant_p): New.
7886 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7888 * i386.md (sse_setccsf, sse_setccdf): New.
7889 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7891 * i386.c (sse_comparison_operator): Accept the supported unordered
7892 comparses; be ready for fast_math.
7893 (print_operand): Support 'D'.
7895 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7897 * jump.c (reversed_comparison_code): Kill.
7899 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7901 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7904 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7906 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7907 add missing '%' in constraints.
7909 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7911 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7912 for HOST_BITS_PER_WIDE_INT == 32 too.
7914 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7916 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7918 (insert_save, insert_restore): New parameter save_mode.
7919 (init_caller_save): Update initialization of reg_save_code
7920 and reg_restore_code.
7921 (save_call_clobbered_regs): Compute save_modes and update calls to
7922 reg_save_code and reg_restore_code.
7923 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7924 of spill; update use of reg_restore_code.
7925 (insert_save): Likewise.
7926 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7927 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7928 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7930 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7932 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7933 noce_try_store_flag_inc, noce_try_store_flag_mask,
7934 noce_try_cmove_arith):
7935 Use reversed_comparison_code instead of reverse_comparison and
7936 can_reverse_comparison_p.
7938 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7940 * jump.c (reversed_comparison_code_parts): Allow reversal of
7941 unordered compares in -ffast-math mode; reverse ordered compares
7942 for FP even w/o -ffast-math.
7944 2001-02-27 Richard Henderson <rth@redhat.com>
7946 * print-rtl.c (print_rtx) [i]: Don't print field five on
7947 NOTEs other than NOTE_INSN_DELETED_LABEL.
7949 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7951 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7952 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7954 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7956 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7957 even if walk_subtrees is 0.
7958 * c-semantics.c (prune_unused_decls): Return a non-null value to
7959 stop traversing the tree chain.
7961 2001-02-27 DJ Delorie <dj@redhat.com>
7963 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7964 register, *then* define it as the new CFA.
7966 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7968 * pa.c (override_options): Promote -fpic to -fPIC.
7969 (legitimize_pic_address): Simplify due to removal of
7970 small PIC as a code generation option.
7971 (secondary_reload_class): Similarly.
7972 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7973 (PRINT_OPERAND_ADDRESS): Similarly.
7974 * pa.md (various patterns): Similarly.
7975 (small pic lo_sum pattern): Remove.
7977 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7980 * md.texi (min, max): Document
7982 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7984 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7985 TARGET_PARTIAL_REG_DEPENDENCY.
7986 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7988 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7990 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7992 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7994 * mips.c (mips_make_temp_file): Fix thinko in last change.
7996 2001-02-26 Jason Eckhardt <jle@redhat.com>
7998 * combine.c (known_cond): Do not reverse the condition when
7999 SMAX/UMAX is being considered and the condition is for equality
8002 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8004 2001-02-26 Philip Blundell <philb@gnu.org>
8006 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8008 * config/arm/linux-elf.h: Remove historical relics related to
8009 above configurations.
8010 * config/arm/linux-oldld.h: Delete.
8011 * config/arm/linux-elf26.h: Delete.
8013 2001-02-26 Jason Merrill <jason@redhat.com>
8015 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8017 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8018 recognize a tentative definition. Lose obsolete code.
8020 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8021 variables unless necessary, either.
8023 2001-02-25 Richard Henderson <rth@redhat.com>
8025 * ifcvt.c (struct noce_if_info): Add test_bb.
8026 (noce_get_alt_condition): New.
8027 (noce_try_minmax, noce_try_abs): New.
8028 (noce_operand_ok): New.
8029 (noce_process_if_block): Use them.
8030 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8032 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8034 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8037 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8039 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8040 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8042 (mips_asm_file_end): Free temp_filename here.
8044 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8046 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8047 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8049 * config/i386/i386.md (movstrsi): Handle FAIL case.
8051 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8053 * cppinit.c (builtin_array): Update.
8054 (init_builtins): Flag builtins to warn if redefined or
8055 undefined. Define __GXX_WEAK as a normal macro.
8056 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8057 * cpplib.h (NODE_WARN): New flag.
8058 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8059 Handle __STDC__ as a builtin only on Solaris.
8060 (warn_of_redefinition): Renamed from check_macro_definition.
8061 Reverse sense of test. Always warn if NODE_WARN.
8062 (_cpp_create_definition): Use warn_of_redefinition. Flag
8063 any macro beginning with "__STDC_" to require a mandatory
8064 warning if redefined or undefined.
8066 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8068 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8069 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8070 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8071 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8072 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8073 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8074 Don't define any of:
8075 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8076 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8077 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8078 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8079 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8081 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8082 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8085 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8086 Delete now-empty file.
8088 * alpha/vms.h: Define NEED_ATEXIT here...
8089 * alpha/xm-vms.h: ...not here.
8091 * i386/cygwin.h: Don't define PARAMS.
8092 * mips/mips.c: Don't prototype mktemp. Don't define
8093 P_tmpdir. Use make_temp_file to create temporary files.
8094 Don't be clever and delete temporary files early.
8095 * config.gcc: Drop references to deleted files. Don't define
8097 * gcc.texi: Don't mention USE_PROTOTYPES.
8099 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8101 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8102 (ix86_set_move_mem_attrs_1): Likewise.
8103 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8104 * config/i386/i386.md (movstrsi): Call it.
8106 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8108 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8109 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8110 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8111 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8113 (i750a-*-*): Error here if hosting on i750a.
8114 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8116 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8117 Remove (empty modulo comments).
8119 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8120 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8121 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8122 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8123 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8124 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8126 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8127 Remove reference to winnt.h in comment.
8128 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8130 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8132 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8133 used to set another biv.
8135 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8137 * tree.h (BLOCK_DEAD): New macro.
8138 (struct tree_block): New flag, dead_flag.
8139 * print-tree.c (print_node, case 'b'): Print missing fields.
8140 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8141 * function.c (identify_blocks): Enable test for misplaced notes.
8142 (all_blocks): Skip BLOCK_DEAD blocks.
8143 * integrate.c (integrate_decl_tree): Likewise.
8145 * errors.c (internal_error, trim_filename): New functions.
8146 (fancy_abort): Call internal_error.
8147 * errors.h (internal_error, trim_filename): New declarations.
8149 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8151 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8153 (EXTRA_CONSTRAINT): Formatting changes.
8155 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8157 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8159 2001-02-23 Per Bothner <per@bothner.com>
8161 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8162 so they can be called from java/jvspec.c.
8163 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8165 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8167 * i386.c (ix86_frame): New structure.
8168 (ix86_compute_frame_size): Kill.
8169 (ix86_compute_frame_layout): New.
8170 (ix86_save_reg): New.
8171 (ix86_can_use_return_insn_p): Use frame layout stuff.
8172 (ix86_expand_prologue): Likewise.
8173 (ix86_expand_epilogue): Likewise.
8174 (ix86_initial_elimination_offset): Likewise.
8175 (ix86_nsaved_regs): Use ix86_save_reg.
8176 (ix86_emit_save_regs): Likewise.
8178 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8180 * flow.c (find_sub_basic_blocks): New function.
8181 (split_block): Be ready for basic block introduced by CODE_LABEL.
8182 (commit_one_edge_insertion): Call find_sub_basic_block.
8184 * flow.c (make_edges): Add edge from entry for blocks starting with
8185 label having ALTERNATE_NAME
8187 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8189 * function.c (epilogue_done): Be ready for first basic block not
8190 containing PROLOGUE_END note.
8191 (reposition_prologue_and_epilogue_notes): Avoid placing
8192 PROLOGUE_END note between BASIC_BLOCK.
8194 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8196 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8198 2001-02-21 DJ Delorie <dj@redhat.com>
8200 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8201 check for current_function_has_nonlocal_goto from 1999-11-12.
8203 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8205 * diagnostic.c (trim_filename): No longer static.
8206 * toplev.h (trim_filename): Declare.
8207 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8208 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8209 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8210 (rtvec_check_failed_bounds): Likewise.
8211 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8213 * convert.c (convert_to_integer): Don't do unsigned unless result or
8214 both inputs are unsigned.
8216 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8219 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8221 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8223 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8225 * Makefile.in (resource.o): Add params.h dependence.
8226 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8227 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8228 * resource.c: Add dependence on params.h.
8229 (current_live_regs): Fix explanatory comment.
8230 (find_basic_block): Add new parameter to permit limiting search
8232 (mark_target_live_regs): Add new argument to find_basic_block call.
8233 (incr_ticks_for_insn): Likewise.
8235 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8237 * diagnostic.c (output_to_stream): Rename to
8238 output_buffer_to_stream. Loses the stream parameter.
8239 (init_output_buffer): Set diagnosic_buffer's stream.
8240 (flush_diagnostic_buffer): Adjust.
8241 (default_print_error_function): Likewise.
8242 (finish_diagnostic): Likewise.
8243 (verbatim): Likewise.
8245 * diagnostic.h (struct output_buffer): Add `stream' field.
8246 (output_buffer_attached_stream): New macro.
8248 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8250 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8251 check if either operand is divisible by C.
8252 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8253 If type is signed, consider negative numbers as well.
8255 2001-02-22 Richard Henderson <rth@redhat.com>
8257 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8258 reach .text instead of gp-relative relocs.
8259 * config/ia64/crtend.asm (.init): Likewise.
8261 2001-02-22 Andreas Jaeger <aj@suse.de>
8263 * extend.texi (C++ Attributes): Fix typo.
8265 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8267 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8268 functions, drop current_function_args_info.words test.
8269 (ia64_compute_frame_size): Mark syscall_linkage functions as
8270 using eight input registers.
8272 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8273 Bruce Korb <bkorb@gnu.org>
8275 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8276 * fixinc/README: Document how to convert sed substitutions
8277 to format style c_fix-es.
8278 * fixinc/fixincl.x: regen
8280 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8282 * gcc.c: Add comment explaining how to add a command-line option.
8283 Add title to specs language comment.
8285 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8287 * gcc.c (cc1_options): Add "-param".
8288 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8289 (option_map): Likewise.
8290 * toplev.c (display_help): Add entry for "--param".
8291 (independent_decode_option): Fix typographical error.
8293 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8294 Bernd Schmidt <bernds@redhat.com>
8295 Jan Hubicka <jh@suse.cz>
8297 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8298 (function_arg): Likewise.
8300 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8302 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8304 2001-02-21 Kazu Hirata <kazu@hxi.com>
8306 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8310 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8312 * flow.c (init_propagate_block_info): Canon address and use single_set
8313 for killing dead memory stores.
8315 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8317 * Makefile.in (reorg.o): Add params.h dependence.
8318 * params.def: Fix typographical error in comment.
8319 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8320 * params.h: Modify introductory comment.
8321 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8322 * reorg.c: Add dependence on params.h.
8323 (redundant_insn): Add parameterized throttle for search.
8324 (fill_simple_delay_slots): Add a comment explaining a variable.
8325 Move conditional out of loop, simplifying code.
8326 (fill_eager_delay_slots): Fix typographical error in comment.
8328 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8330 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8332 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8333 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8335 2001-02-21 Jason Merrill <jason@redhat.com>
8337 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8338 (struct tree_decl): Add uninlinable bitfield.
8339 * c-decl.c (duplicate_decls): Set it.
8340 * integrate.c (function_cannot_inline_p): Check it.
8342 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8343 DW_AT_MIPS_linkage_name to abstract methods.
8344 (dwarf2out_abstract_function): Emit class context before calling
8345 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8346 (gen_subprogram_die): Remove obsolete code.
8347 (gen_member_die): Don't include clones in the member list.
8348 (gen_decl_die): Emit abstract info for clone origin.
8349 * dwarfout.c (output_type): Don't include clones in the member list.
8350 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8351 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8352 DECL_ABSTRACT on a function that already has it set.
8354 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8355 (get_subprogram_die): Pass it in.
8357 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8359 * flow.c (mark_set_1): Make not_dead unsigned long. For
8360 non-pseudos, use it as a bitmask of the hard regs that
8363 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8365 * cppfiles.c: Update comments.
8366 (_cpp_read_file): Don't check for NULL filenames any more.
8367 * cppinit.c (cpp_start_read): Don't do canonicalization of
8368 in_fname and out_fname. Use the passed file name exclusively.
8369 (_cpp_handle_options): Don't treat "-" as a command line option,
8370 but as a normal filename.
8371 (_cpp_post_options): Canonicalize in_fname and out_fname.
8372 * cppmain.c (printer_init): Don't check out_fname for NULL.
8373 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8374 (init_c_lex): Update, and use "" to represent stdin to CPP.
8377 2001-02-20 Will Cohen <wcohen@redhat.com>
8379 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8380 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8381 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8384 2001-02-20 Stan Shebs <shebs@apple.com>
8386 * config/rs6000/rs6000.c (output_cbranch): Output branches
8387 on separate lines instead of using ';' to separate.
8389 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8391 * cppinit.c (set_lang): Move builtin handling to...
8392 (init_builtins): ...here.
8393 (_cpp_create_reader): Move call to set_lang.
8395 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8397 * stmt.c (expand_return): If an attempt is made to return the
8398 error_mar_node, treat the return like a return without a value.
8400 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8402 * sibcall.c (skip_copy_to_return_value): Call
8403 identify_call_return_value here, and return orig_insn if it
8404 returns zero. Hardret and softret arguments now unnecessary.
8405 (call_ends_block_p): Don't call identify_call_return_value here.
8407 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8409 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8410 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8412 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8414 * pa.c (move_operand): Accept code to load the address of a
8415 symbol out of the DLT as a valid move operand.
8416 (print_operand, case 'A'): New to handle generating a DLT
8417 reference for a LO_SUM expression.
8418 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8419 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8421 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8423 * README, cpp.texi, gcc.texi, version.c: Update version number to
8425 * cpp.1, gcov.1, gcc.1: Regenerate.
8427 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8429 * cppfiles.c (stack_include_file): Generate dependencies
8430 here, and manage include_count here too.
8431 (PRINT_THIS_DEP): Delete.
8432 (_cpp_execute_include): Do not generate dependencies here,
8433 apart from the case of a missing header. Do not manage
8435 (_cpp_read_file): Leave dependency generation to
8438 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8440 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8441 target_cpu_default. Remove dead assignment to
8444 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8446 * regclass.c (contains_reg_of_mode): Make global.
8447 (init_reg_sets): Remove contains_reg_of_mode; take into account
8448 CLASS_MAX_NREGS when looking for the proper mode.
8449 (dump_regclass): Dump only classes considered for the pseudo.
8450 (regclass): Use contains_reg_of_mode.
8452 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8454 * gcc.c (do_spec_1): 'n' for printing notices.
8455 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8457 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8459 * reg-stack.c (next_flags_user): Use current_block->end
8460 (swap_rtx_condition): Look for next user if flags don't die;
8461 give up on CALL_INSNs; use current_block->end.
8463 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8465 * sibcall.c (call_ends_block_p): New function.
8466 (optimize_sibling_and_tail_recursive_call): Use it.
8468 2001-02-18 Kazu Hirata <kazu@hxi.com>
8470 * config/h8300/h8300.md: Update copyright.
8471 (andsi3): Do not output an extra newline character.
8473 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8475 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8476 FNDECL may be unused.
8478 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8479 follow jumps after first run.
8480 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8481 it doesn't change any jumps.
8483 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8485 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8486 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8487 (mostlyclean): Corresponding changes.
8488 * rtlanal.c (hard-reg-set.h): Include.
8489 (rtx_unstable_p): Do not treat the argument pointer specially
8490 if it is not a fixed register.
8491 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8493 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8495 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8496 against last real insn in basic block.
8497 Rework to avoid gotos.
8499 * Makefile.in (gcse.o): Now includes ggc.h.
8500 * gcse.c: Include ggc.h.
8501 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8502 (try_replace_reg): Remove warning of uninitialize variable.
8503 (process_insert_insn): Call invalid_insn_p to validate insn.
8504 * recog.c (insn_invalid_p): Now global.
8505 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8506 * recog.h (insn_invalid_p): New declaration.
8508 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8510 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8511 assignments from FP constants since 'Y' output code can't handle it.
8512 (eligible_for_sibcall_delay): Likewise.
8514 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8515 Call fancy_abort directly, passing args.
8516 (print_rtl_and_abort): Now a macro, like fancy_abort.
8518 * final.c (output_operand_lossage): Use internal_error, not error.
8520 2001-02-18 Shane Nay <shane@agendacomputing.com>
8522 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8523 structure shift insns.
8525 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8527 * invoke.texi (-fsquangle): Remove documentation.
8528 (-fname-mangling-version): Likewise.
8530 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8532 * optabs.c (expand_abs): Remove reference to
8533 HAVE_contitional_arithmetic.
8534 * combine.c (simplify_set): Likewise.
8536 2001-02-18 Richard Henderson <rth@redhat.com>
8538 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8541 2001-02-18 Richard Henderson <rth@redhat.com>
8543 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8545 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8547 * reload1.c (reload_cse_simplify_set): Fix typo.
8549 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8551 * diagnostic.c (_fatal_insn): Decrement errorcount.
8553 * invoke.texi (-I): Add note avoiding use for system header files.
8555 * rtl.h (add_clobbers): Remove duplicate declaration.
8556 * recog.h (added_clobbers_hard_reg_p): New declaration.
8557 * genemit.c (struct clobber_pat): New field has_hard_reg.
8558 (gen_insn): Record if added clobbers clobber hard reg.
8559 (gen_split): Avoid unused warning if number of operands is 0.
8560 (output_added_clobbers_hard_reg_p): New function.
8563 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8565 * pa.c (hppa_expand_prologue): Simplify code storing return
8566 pointer. For large (>=8k) frames with a post_store, adjust stack
8567 pointer by 8k-64 first rather than by 64. When testing with
8568 VAL_14_BITS_P, always use the actual value rather than the value
8569 negated. Add blockage to prevent scheduling of spills before
8570 stack frame has been created.
8571 (hppa_expand_epilogue): Simplify code loading return pointer.
8572 Allow a slightly larger range for merge_sp_adjust_with_load case.
8573 When testing with VAL_14_BITS_P, always use the actual value.
8575 * pa.c (pa_adjust_insn_length): Check that block move
8576 pattern is a set before looking at operands.
8578 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8580 * fold-const.c (fold_binary_op_with_conditional_arg): New
8581 function, split out from ...
8583 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8584 conditional arms that throw exceptions.
8586 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8589 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8591 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8592 define HAVE_DECL_* to 1 to mask potential backup declarations.
8593 * configure: Regenerated.
8595 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8597 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8599 2001-02-17 Richard Henderson <rth@redhat.com>
8601 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8602 when replacing a memory load with a register.
8604 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8605 Jan Hubicka <jh@suse.cz>
8607 * recog.c (validate_replace_src_1): New.
8608 (validate_replace_src_data): Likewise.
8609 (validate_replace_src): Use note_uses.
8610 * rtl.h (note_uses): Declare.
8611 * rtlanal.c (note_uses): New.
8613 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8615 * reg-stack.c (stack_def): Make field reg unsigned.
8616 (remove_regno_note): Unsignetize parameter.
8618 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8620 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8621 shladd_operand() call.
8623 2001-02-16 Bruce Korb <bkorb@gnu.org>
8624 Rodney Brown <RodneyBrown@mynd.com>
8626 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8627 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8628 machine restrictions
8629 * fixinc/fixincl.x: regen
8631 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8633 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8635 (hash_scan_insn): Clean up calls to hash_scan_set.
8636 (compute_kill_rd): REGNO now unsigned.
8637 (try_replace_reg): Rework to use simplify_replace_rtx.
8638 (cprop_jump, cprop_cc0_jump): Likewise.
8639 (cprop_insn): Call find_reg_equal_equiv_note.
8640 Reflect changes to cprop_jump and cprop_cc0_jump.
8642 * recog.c (validate_replace_src): Replace in operands of
8643 ZERO_EXTRACT in SET_DEST.
8645 * cse.c (new_label_ref): New variable.
8646 (insert): Set it instead of recorded_label_ref.
8647 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8648 CODE_LABEL for this function, and not already in REG_LABEL note.
8650 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8652 * resource.c (mark_referenced_resources): Fix typo in introductory
8654 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8657 2001-02-16 Jason Merrill <jason@redhat.com>
8659 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8661 (gen_subprogram_die): Don't abort on seeing a second definition if
8662 the previous one was abstract. Don't replace an abstract instance
8663 in the lookup table.
8665 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8666 gen_abstract_function.
8667 * dwarf2out.h: Declare it.
8668 * toplev.c (note_outlining_of_inline_function): New fn.
8669 * toplev.h: Declare it.
8670 * integrate.c (output_inline_function): Call it.
8671 * c-decl.c (duplicate_decls): Call it when redefining an extern
8672 inline. Don't inline the new defn.
8674 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8676 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8678 * .gdbinit: Rename to gdbinit.in.
8679 * gdbinit.in: New file,
8680 * configure.in: Generate .gdbinit from gdbinit.in.
8681 * configure: Regenerated.
8682 * Makefile.in (distclean): Always remove .gdbinit.
8684 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8686 * objc/objc-act.c (start_class): Register implemented_classes with
8689 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8691 * cppfiles.c (_cpp_make_system_header): Generate a file
8694 2001-02-15 Jim Meyering <meyering@lucent.com>
8696 * Makefile.in (install-common): Don't depend on installdirs here.
8697 Instead, make each of the lang.install-common targets (e.g.,
8698 c++.install-common in cp/Make-lang.in) depend on it.
8699 (install-driver): Depend on installdirs.
8701 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8703 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8705 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8708 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8710 * invoke.texi (--param): Document.
8712 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8714 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8716 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8718 * i386.md (extendsfdf2_2): Fix constraints.
8720 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8722 * i386.md (fop_df_3 splitter): Fix operand number.
8724 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8726 * invoke.texi (-mreg-alloc): Nuke.
8727 * i386.c (ix86_reg_alloc_order, regs_allocated,
8728 order_regs_for_local_alloc): Nuke.
8729 (override_options): Kill reg_alloc code.
8730 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8731 (REG_ALLOC_ORDER): SSE goes before I387.
8732 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8733 (ix86_reg_alloc_order): Likewise.
8734 * i386-protos.h (ix86_reg_alloc_order): Kill.
8736 2001-02-14 Richard Henderson <rth@redhat.com>
8738 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8740 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8742 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8744 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8746 * i386-protos.h (ix86_memory_move_cost): Move offline.
8747 * i386.c (ix86_register_move_cost): Compute properly cost of
8748 SSE, MMX and i387 instructions.
8749 (*_cost): Add costs of SSE/MMX moves.
8750 (ix86_memory_move_cost): Move offline from ....; Likewise.
8751 * i386.h (MEMORY_MOVE_COST): .... here;
8752 (struct processor costs): Add new fields to represent costs
8755 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8757 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8758 move_cost together with Matt Kraai's fix.
8760 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8762 * Makefile.in (OBJS): Add params.o.
8764 2001-02-14 Richard Henderson <rth@redhat.com>
8765 DJ Delorie <dj@redhat.com>
8767 * jump.c (jump_optimize_1): When we delete a conditional jump
8768 preceeding a non-conditional jump to effectively the same place,
8769 make sure that the combined jump skips any clobber insns between
8772 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8774 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8776 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8778 * Makefile.in (toplev.o): Depend on params.h.
8779 (intergate.o): Likewise.
8780 (params.o): New target.
8781 * flags.h (inline_max_insns): Remove.
8782 * integrate.c: Include params.h.
8783 Use MAX_INLINE_INSNS instead of inline_max_insns.
8784 * params.c: New file.
8785 * params.h: Likewise.
8786 * params.def: Likewise.
8787 * toplev.c: Include params.h.
8788 (lang_independent_params): New variable.
8789 (decode_f_option): Use the param machinery instead of setting
8791 (independent_decode_option): Handle "--param name=value".
8792 (main): Register language-independent parameters.
8794 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8796 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8798 2001-02-14 Richard Henderson <rth@redhat.com>
8800 * regclass.c (init_reg_sets_1): Revert last two changes.
8802 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8804 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8805 (variable_size): Call put_pending_size.
8806 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8807 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8808 sizes list, put newly created SAVE_EXPR there as well.
8810 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8812 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8813 (errata_find_address_regs): load_group has only 2 entries.
8814 (errata_emit_nops): Likewise. shladd is not problematic.
8815 Clear last_group if nop was emitted.
8816 (fixup_errata): load_group has only 2 entries.
8819 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8821 * c-lex.c (lex_number): Only warn traditionally for U suffix
8822 outside system macros.
8823 * cppexp.c (parse_number): Similarly.
8824 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8825 * cppmacro.c (struct cpp_macro): New member node.
8826 (parse_args): Only warn about missing rest args if not
8828 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8829 (cpp_sys_objmacro_p): New.
8830 (_cpp_create_definition): Store the node with the macro defn.
8831 Remember if the macro is defined in a system header.
8833 2001-02-13 DJ Delorie <dj@redhat.com>
8835 * configure.in (check_languages): determine languages to check
8836 * Makefile.in (check-c++): alias for check-g++
8837 (check-f77): alias for check-g77
8838 (CHECK_TARGETS): depend on configured languages
8840 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8842 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8843 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8844 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8845 (sqrtextendsfdf2): Disable for SSE2.
8847 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8849 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8850 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8851 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8852 (sqrtextendsfdf2): Disable for SSE2.
8854 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8856 * i386.md (movsfcc_1): Support integer cmove instruction.
8857 (movdfcc_1): Likewise; new splitter.
8859 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8861 * i386.c (output_fp_compare): Support SSE.
8862 (prepare_fp_compare_args): SSE comparisons always support memory.
8863 * i386.h (TARGET_CMOVE): SSE imply cmove.
8864 * i386.md (cmp?f2): Enable for SSE too.
8865 (cmpfp_i*): Support SSE.
8867 (cmpfp_i_sse_only): New.
8868 (s*, b* fp expanters): Enable for SSE too.
8869 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8872 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8874 * regclass.c (init_reg_sets_1): Silence warning.
8876 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8878 * i386.md (sqrt?f2): Change to expander.
8879 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8881 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8883 * rtlanal.c (find_reg_equal_equiv_note): New function.
8884 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8885 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8886 * rtl.h: Add declarations for above functions.
8888 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8890 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8892 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8893 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8894 * flow.c (mark_regs_live_at_end): Likewise.
8895 (calculate_global_regs_live): Likewise.
8896 * gcse.c (compute_hash_table): Likewise.
8897 (compute_kill_rd): Likewise.
8898 * resource.c (mark_target_live_regs): Likewise.
8899 * rtl.h (INVALID_REGNUM): New macro.
8901 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8903 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8905 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8907 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8910 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8912 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8914 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8915 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8916 (fop_sf_1_sse, fop_df_1_sse): New patterns
8917 (fop_*): Disable float_extend and float patterns for SSE compilation.
8918 * i386.c (output_387_binary_op): Support SSE.
8920 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8922 * i386.md (dummy_extendsfdf2): Support SSE2
8923 (extendsfdf2): Enable if 80387 or SSE2.
8924 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8925 and no MIX_I387_SSE2
8926 (extendsfdf2_1_sse_only): New pattern.
8927 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8929 (truncdfsf2_1): Support SSE.
8930 (truncdfsf2_2): Support SSE.
8931 (truncdfsf2_2_1_sse): New pattern.
8932 (fixtruncsfsi2): Always use SSE if available.
8933 (fix_truncsfsi_sse): New pattern.
8934 (fix_truncdfsi_sse): New pattern.
8935 (floatsis?f2): Support SSE.
8936 (floatsidf2_i387): New pattern.
8937 (floatsidf2_sse): Likewise.
8939 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8941 * configure.in: Use "have_gnat" variable, not "gnat".
8942 * configure: Regenerated.
8944 * config/sparc/sparc.c (function_value): Treat all non-record
8945 aggregate types like used to treat UNION_TYPE.
8947 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8949 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8950 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8952 (MASK_MIX_SSE_I387): New.
8953 (TARGET_SSE): SSE2 imply SSE.
8954 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8955 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8956 (enum reg_class): Add new classes.
8957 (REG_CLASS_NAMES): Likewise.
8958 (REG_CLASS_CONTENTS): Likewise.
8959 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8960 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8961 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8962 (CLASS_MAX_NREGS): Use new macros.
8963 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8964 * i386.md (pushsf, movsf): Support SSE.
8965 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8966 splitters to use ANY_FP_REGNO_P.
8967 (movdf_nointeger, movdf_integer): Likewise.
8969 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8971 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8972 (try_combine): Use it.
8974 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8976 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8977 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8978 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8979 (REGISTER_MOVE_COST): Likewise.
8980 * i386-protos.h (ix86_secondary_memory_needed,
8981 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8982 * i386.c (ix86_secondary_memory_needed,
8983 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8985 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8987 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8988 (HARD_REGNO_MODE_OK): Move offline to ....
8989 * i386.c (ix86_hard_regno_mode_ok) ... here;
8990 refuse all incorrect modes.
8991 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8993 2001-02-13 Richard Henderson <rth@redhat.com>
8995 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8996 entire operator; replicate that and match_dup the operands.
8997 (cmp_ccx_arith_op_set): Likewise.
8998 (cmp_cc_arith_op_not_set): Likewise.
8999 (cmp_ccx_arith_op_not_set): Likewise.
9001 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9003 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9005 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9007 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9008 (TARGET_NO_BITFIELD_WORD): New macro.
9009 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9010 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9012 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9014 * cselib.c: New file, from simplify-rtx.c.
9015 * simplify-rtx.c: Remove cselib parts.
9016 * Makefile.in: Add cselib.o.
9018 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9020 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9021 (setup_incoming_varargs): Remove warning.
9023 * config/rs6000/rs6000.c (validate_condition_mode): When
9024 flag_fast_math, allow floating-point conditionals to be reversed.
9025 (rs6000_generate_compare): When flag_fast_math, don't generate
9026 cror operations for FP conditionals.
9028 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9030 (ASM_SPEC): Likewise.
9031 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9032 (CC1_SPEC): Likewise.
9033 (LINK_TARGET_SPEC): Likewise.
9034 (CPP_ENDIAN_SPEC): Likewise.
9035 * Makefile.in (check-consistency): New target.
9037 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9039 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9040 "return type defaults" warning for functions with return type
9042 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9043 function declarations by default rather than only when pedantic.
9045 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9047 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9050 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9052 * extend.texi (Deprecated): Deprecate new initializer lists.
9054 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9056 * mkdeps.c (deps_add_default_target): Robustify. Add
9057 basename component only.
9058 * cpp.texi (-M): Describe how default target is generated.
9059 * invoke.texi (-M): Likewise.
9061 2001-02-12 Kazu Hirata <kazu@hxi.com>
9063 * toplev.c (push_float_handler): Remove.
9064 (pop_float_handler): Remove.
9065 * toplev.h: Remove prototypes for the above functions.
9067 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9069 * c-common.c (constant_fits_type_p): New function.
9070 (convert_and_check): Use it.
9072 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9074 * Makefile.in (GXX_ABI_FLAG): Don't define.
9075 * configure.in (--enable-new-gxx-abi): Remove option.
9076 * config.in: Regenerated.
9077 * configure: Likewise.
9079 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9081 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9083 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9084 regular basic block, and arrange for all edges into it to switch
9087 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9089 * Makefile.in (distclean): Do not remove .gdbinit.
9091 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9093 * Makefile.in (gcc.o): Fix typos.
9094 (protize.o): Likewise.
9095 (unprotoize.o): Likewise.
9097 2001-02-11 Richard Henderson <rth@redhat.com>
9099 * tree.c (build1): Check for null operand in last change.
9101 2001-02-11 Richard Henderson <rth@redhat.com>
9103 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9104 (fold): Don't assume a constant isn't foldable.
9105 * tree.c (build): Set TREE_CONSTANT for an expression with no
9106 side-effects and constant operands.
9109 2001-02-10 Richard Henderson <rth@redhat.com>
9111 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9113 2001-02-10 Anthony Green <green@redhat.com>
9115 * cpp.texi (Standard Predefined): Add documentation for
9118 * c-common.c (combine_strings): Improve warning message.
9120 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9122 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9124 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9126 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9128 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9131 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9133 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9136 2001-02-09 Nick Clifton <nickc@redhat.com>
9138 * config/arm/arm.md: Change output contraint on post inc
9139 load/store multiple patterns to be a read/write contraint.
9141 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9143 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9144 .o files when using the -M options.
9146 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9147 David Edelsohn <edelsohn@gnu.org>
9149 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9150 handle DImode constants. Use one TOC entry for SImode and smaller
9151 constants, aligned properly.
9153 2001-02-08 Jason Merrill <jason@redhat.com>
9155 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9156 about the SP adjustment for saving the static chain pointer.
9157 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9158 offset when setting a temporary CFA register.
9160 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9162 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9163 powerpc-*-chorusos* .
9164 * config/rs6000/chorus.h : New file.
9165 * config/i386/chorus.h : New file.
9166 * config/sparc/chorus.h : New file.
9167 * config/sparc/t-chorus-elf : New file.
9169 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9171 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9172 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9173 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9174 (__WCHAR_TYPE__): Correct macro name.
9176 2001-02-08 Richard Henderson <rth@redhat.com>
9178 * config/i386/i386.c (ix86_frame_pointer_required): New.
9179 (ix86_setup_frame_addresses): New.
9180 (struct machine_funciton): Add accesses_prev_frame.
9181 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9182 ix86_frame_pointer_required.
9183 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9184 (SETUP_FRAME_ADDRESSES): New.
9185 * config/i386/i386-protos.h: Update.
9186 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9187 from FRAME_POINTER_REQUIRED.
9188 * config/i386/svr3gas.h: Likewise.
9189 * config/i386/sysv3.h: Likewise.
9190 * config/i386/v3gas.h: Likewise.
9192 2001-02-08 Richard Henderson <rth@redhat.com>
9194 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9195 calculation of the number of integer registers required.
9196 (function_arg_record_value): Likewise.
9198 2001-02-08 Jason Merrill <jason@redhat.com>
9200 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9201 two. Print file and line with "confused" message.
9203 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9205 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9207 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9209 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9211 * final.c (cleanup_subreg_operands): The address of a MEM can
9214 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9217 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9219 * gcc.texi (Incompatibilities): Update documentation of
9220 preprocessing numbers.
9222 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9224 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9226 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9228 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9230 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9231 * gcc.c (struct compiler): Add cpp_spec field.
9232 (input_file_compiler): New variable.
9233 (do_spec_1): Allow a particular compiler to handle `%C'
9235 (main): Store the current compiler in input_file_compiler.
9236 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9238 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9240 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9241 * cppinit.c (cpp_create_reader): Initialize them.
9242 (append_include_chain): cxx_aware arg might be unused.
9243 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9244 keywords and give them their phase 7 meaning. Pedwarn about
9245 this unless '__bool_true_false_are_defined' is defined.
9247 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9249 * lcm.c (optimize_mode_switching): Emit mode_set before the
9250 JUMP_INSN of an abnormal edge.
9252 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9254 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9255 a scheduling barrier at the end.
9257 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9259 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9261 * config/sh/sh.md (reload_outsf): Removed.
9262 (movsf_ie): Introduce constraints for FPUL loads and stores.
9263 (reload_insf): Broaden the output constraint.
9265 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9267 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9268 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9270 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9272 * final.c: Revert my previous changes.
9273 * output.h: Make profile_label_no extern.
9274 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9275 for generating label.
9277 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9279 * config/i386/djgpp.h: Add comments about standard paths.
9280 (MD_EXEC_PREFIX): Undefine before defining.
9281 (MD_STARTFILE_PREFIX): New.
9283 2001-01-30 Bruce Korb <bkorb@gnu.org>
9285 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9286 (load_file): do not rely on load_file_data() to close file pointer
9287 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9288 fixinc/inclhack.def(irix_limits_const): add test_text
9290 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9292 * cppexp.c (parse_defined): Improve diagnostics for invalid
9295 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9297 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9299 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9301 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9302 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9303 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9304 (rs6000_output_symbol_ref): New function.
9305 (output_toc): Use VTABLE_NAME_P.
9307 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9309 * print-tree.c (print_node, case PARM_DECL):
9310 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9312 * stor-layout.c (reference_types_internal): New variable.
9313 (internal_reference_types): New function.
9314 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9315 * tree.h (internal_reference_types): New declaration.
9317 * cse.c (find_best_addr): Fix typo in computing cost.
9319 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9321 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9322 and this is the sum of a pointer and a constant, we know the result
9324 (num_sign_bit_copies, case PLUS): Likewise.
9325 * explow.c (convert_memory_address): Remove opposite SUBREG.
9326 * function.c (instantiate_new_reg): New function (from common code).
9327 (instantiate_virtual_regs_1): Call it.
9328 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9329 if pointers sign- or zero-extend.
9330 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9331 If pointers extend unsigned, use inside of SUBREG.
9332 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9334 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9336 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9337 subdir of gcc_gxx_include_dir.
9338 (gcc_gxx_target_include_dir): Remove.
9340 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9342 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9343 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9344 a high-level description.
9346 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9348 * final.c: Move the declaration of profile_label_no to ...
9349 * output.h: ... here.
9350 * function.c (expand_function_start): Call PROFILE_HOOK.
9351 * config/rs6000/aix.h: Define PROFILE_HOOK.
9352 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9353 * config/rs6000/rs6000.c (output_profile_hook): Define.
9354 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9355 output_profile_hook.
9356 tm.texi : Explain new macro PROFILE_HOOK.
9358 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9360 * extend.texi (Extended Asm): Do not say that semicolon is always
9361 a valid line-breaking character for GNU assemblers. Use
9362 newline-tab as the most commonly supported syntax. Use
9363 newline-tab rather than semicolon in multi-insn examples.
9365 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9367 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9369 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9370 David Edelsohn <edelsohn@gnu.org>
9372 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9373 code for AIX, even without flag_pic.
9375 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9377 * c-typeck.c (common_type): push and pop binding level around
9378 calling common_type on function parameters.
9380 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9382 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9384 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9386 * config/mips/mips.c (override_options): Fix typo in last change.
9387 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9388 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9390 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9392 * invoke.texi (-fdump-class-layout): Document.
9393 (-fdump-translation-unit): Use `=' as filename separator.
9395 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9397 * Makefile.in (s-mlib): Don't build multilibs if
9399 (DRIVER_DEFINES): Adjust accordingly.
9401 (protoize.o): Likewise.
9402 (unprotoize.o): Likewise.
9403 * configure.in: Recognize --enable-multilib.
9405 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9407 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9409 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9410 * configure.in: Remove --enable-libstdcxx_v3 support.
9411 * configure: Regenerated.
9413 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9415 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9416 Call abort instead of fatal.
9417 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9418 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9419 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9420 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9421 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9422 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9424 * diagnostic.h (set_internal_error_function): Renamed.
9425 * toplev.h (internal_error): Renamed from fatal.
9426 (pfatal_with_name): Deleted.
9427 (fatal_io_error): Now has printf-style arguments.
9428 * diagnostic.c (pfatal_with_name): Deleted.
9429 (fatal_io_error): Rework to have args in printf-style.
9430 (set_internal_error_function): Renamed from set_fatal_function.
9431 (internal_error): Renamed from fatal.
9432 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9433 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9434 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9435 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9436 * flow.c (verify_flow_info): Likewise.
9437 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9438 * config/mips/mips.c (save_restore_insns): Likewise.
9440 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9441 * flow.c (verify_flow_info): Likewise.
9442 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9443 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9444 (avr_normalize_condition): Likewise.
9445 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9446 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9447 (limit_reload_class, double_reg_to_memory): Likewise.
9448 (print_operand_address, emit_1600_code_shift): Likewise.
9449 (gen_tst_reg, gen_compare_reg): Likewise.
9450 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9451 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9453 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9455 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9456 * objc/objc-act.c (build_ivar_chain): Likewise.
9457 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9459 * graph.c (clean_graph_dump_file): Likewise.
9460 * profile.c (init_branch_prob): Likewise.
9461 * objc/objc-act.c (objc_init): Likewise.
9463 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9464 * config/avr/avr.c (avr_override_options): Likewise.
9465 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9466 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9467 * config/h8300/h8300.c (h8300_init_once): Likewise.
9468 * config/mips/mips.c (override_options): Likewise.
9469 * config/i386/i386.c (override_options): Likewise, rework.
9470 * config/m68k/m68k.c (override_options): Likewise.
9472 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9474 * config/mips/mips.c (print_operand): Likewise.
9475 * hash.c (hash_allocate): Don't check for failure returns from
9476 obstack functions that can't fail.
9477 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9478 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9479 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9480 (get_object_reference): Likewise.
9482 2001-02-04 Nick Clifton <nickc@redhat.com>
9484 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9485 StrongARM1110, 10TDMI, and 1020T.
9487 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9489 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9491 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9493 * config/sh/sh.md (movdf load split): Pass register number to
9494 FP_OR_XD_REGISTER_P.
9496 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9498 * cppinit.c (BC): New macro.
9499 (builtin_array): Add __GXX_WEAK__.
9500 * cpplib.h (builtin_type): Add BT_WEAK.
9501 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9502 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9503 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9505 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9507 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9509 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9511 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9512 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9514 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9516 * cpphash.h: Rename ALIGN _ALIGN.
9517 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9519 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9521 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9522 compilation environment.
9523 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9524 control over location of cygwin includes and libs.
9526 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9528 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9530 2001-02-02 lars brinkhoff <lars@nocrew.org>
9532 * md.texi (Standard Names): remove reference to spur.md.
9534 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9536 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9537 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9538 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9539 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9540 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9542 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9544 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9545 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9546 number before reload.
9547 (c4x_adjust_cost): Return zero before reload.
9548 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9549 split before reload.
9551 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9553 * c4x.c (c4x_hard_regno_rename_ok): New.
9554 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9555 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9557 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9559 * diagnostic.h: Add missing "extern" in all declarations.
9561 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9563 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9564 as for gcc_gxx_include_dir.
9566 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9568 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9570 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9572 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9573 label before alignment to be used as the braf base address.
9574 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9576 (casesi_jump_2): Require at least TARGET_SH2.
9578 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9579 truncation to 32-bit doubles on -m3e and -m4-single-only.
9581 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9583 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9584 the default when building a shared object.
9585 (init_spec): Use it.
9586 * testsuite/lib/g++.exp: Include the directory where libgcc
9587 is located to the LD_LIBRARY_PATH list.
9588 * invoke.texi (-shared-libgcc): Document the cases in which
9589 GCC defaults to using the shared libgcc.
9591 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9593 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9594 unsigned is wide enough.
9596 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9597 (si_to_float): Likewise.
9598 (float_to_si, float_to_usi): Use BITS_PER_SI.
9600 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9602 * dwarf2out.c: Added explanation of abbreviations.
9603 (def_cfa_1): Added comments listing DWARF2 instructions.
9604 (cfa_temp_reg): Removed in favor of cfa_temp.
9605 (cfa_temp_value): Removed in favor of cfa_temp.
9606 (cfa_temp): New global variable.
9607 (dwarf2out_frame_debug_expr): Added extensive introductory
9608 comments explaining the function's transformations. Revised to
9609 use cfa_temp. Added some rtx checking. Generalize IOR case.
9610 (dwarf2out_frame_debug): Revised to use cfa_temp.
9611 (output_aranges): Cast as "unsigned" to avoid warning.
9612 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9613 explain which instructions must be marked.
9615 2001-02-01 Richard Henderson <rth@redhat.com>
9617 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9620 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9622 * config/sh/crt1.asm (main_k): Modified so that start calls
9623 ___setup_argv_and_call_main.
9625 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9627 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9628 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9629 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9630 * cppmacro.c (builtin_macro): Set builtin flags here.
9631 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9632 (replace_args): Clarify intent.
9633 (cpp_get_token): Macro expansion tokens get the saved flags.
9635 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9638 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9640 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9643 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9645 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9646 returns Pmode pseudo, but we need ptr_mode.
9647 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9648 Remove bogus conversions; use HOST_WIDE_INT for size.
9649 Don't use TARGET if wrong mode.
9651 * config/i386/i386.c (ix86_compute_frame_size): Allow
9652 stack_alignment_needed to be non-default even if size is zero.
9654 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9656 * pa.c (hppa_init_pic_save): New function.
9657 * pa.h (hppa_init_pic_save): Declare.
9658 * pa.md (call, call_value, sibcall, sibcall_value): Use
9659 the above instead of duplicated code.
9661 * pa.c (hppa_encode_label): Correct size of alloca buffer
9662 so we don't overrun it. Correct leading `*' case.
9663 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9664 need to handle `*@'.
9665 (FUNCTION_NAME_P): Likewise.
9667 2001-01-31 Richard Henderson <rth@redhat.com>
9669 * config.gcc (alpha-osf5): Use float-i128.h.
9671 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9672 * config/float-i32.h: Likewise.
9673 * config/float-i64.h: Likewise.
9674 * config/float-sh.h: Likewise.
9675 * config/float-sparc.h: Likewise.
9677 2001-01-31 DJ Delorie <dj@redhat.com>
9679 * expmed.c (extract_bit_field): allow non-integral modes if we
9680 want to extract a whole register from itself.
9682 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9684 * c-typeck.c (set_init_index): If first is equal to last, assume as
9685 if it was not a range at all.
9687 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9689 * config/fp-bit.c: Include tm.h.
9690 (float_to_si): Don't assume SImode is 32-bits wide.
9691 (float_to_usi): Likewise.
9693 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9695 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9697 (typename): Call pending_xref_error after parsing typed_typespecs.
9698 * c-decl.c (lookup_tag): Give error immediately rather than
9699 leaving it pending if the tag of the wrong type is in the same
9701 (xref_tag): Don't pedwarn for forward declarations of enum types
9703 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9706 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9708 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9710 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9712 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9713 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9715 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9717 * cpphash.h (struct cpp_reader): New saved_flags.
9718 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9719 to avoid a paste after a pasted token.
9721 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9723 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9724 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9725 Wtype_MIN instead of LONG_MIN.
9727 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9729 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9731 * fixinc/fixincl.x: Regenerated.
9732 * fixinc/inclhack.def (irix_limits_const): New definition to
9733 convert "const" to "__const" in limits.h.
9735 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9737 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9739 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9741 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9742 when register dies in the insn.
9744 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9746 * diagnostic.c (fatal): Fix word wrap.
9748 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9750 * combine.c (try_combine): Fix SUBREG setting for
9751 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9753 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9755 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9758 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9760 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9762 * toplev.c (decode_W_option): Update warn_larger_than
9763 unconditionally for each processed switch.
9765 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9767 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9769 (hppa_expand_prologue): Delete code to save pic offset table register
9770 in the function prologue.
9771 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9772 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9773 table register at the beginning of the function after the prologue.
9775 2001-01-29 lars brinkhoff <lars@nocrew.org>
9777 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9779 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9780 Jeff Law <law@redhat.com>
9782 * pa.md (return): Revise comment for trivial return.
9783 (return_internal): Non-trivial return pattern for non-PIC code.
9784 (return_internal_pic): Non-trivial return pattern for PIC code.
9785 It uses the PIC register to ensure it is restored after
9787 (epilogue): Generate appropriate return for PIC and non-PIC code.
9789 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9791 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9793 2001-01-29 DJ Delorie <dj@redhat.com>
9795 * combine.c (if_then_else_cond): Pass the correct mode to
9796 operand_subword() for constants.
9798 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9800 * config/i386/cygwin.h: Add w32api to include search. Search different
9801 directories in a cross-build environment.
9803 2001-11-29 Tim Josling <tej@melbpc.org.au>
9805 * tree.h (TYPE_STUB_DECL): Add documentation.
9807 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9809 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9810 (sdbout_field_types): Likwise. Fix use of host_integerp.
9812 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9814 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9817 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9819 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9820 to use flag_gnu_linker.
9822 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9824 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9825 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9827 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9829 * tree.c, tree.h (build_parse_node): Remove; was identical to
9831 * c-lang.c (start_cdtor), objc/objc-act.c
9832 (build_module_descriptor): Use build_nt instead of
9835 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9837 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9838 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9839 not have any upper bits set.
9841 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9843 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9845 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9847 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9849 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9851 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9852 (integer_minus_one_node): Define.
9854 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9856 * Makefile.in (bootstrap2-lean): Fix typo.
9858 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9860 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9861 : Don't set fe_value.
9862 * cpplib.h (AVOID_LPASTE): New flag.
9863 (struct cpp_hashnode): Remove fe_value.
9864 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9865 * cppmacro.c (builtin_macro): Don't set flags here.
9866 (replace_args): Set AVOID_LPASTE flag on first token of an
9867 argument, and the token following it.
9868 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9869 macro expansion, and on the token following it. Do it for
9871 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9873 2001-01-27 Richard Henderson <rth@redhat.com>
9875 * config/alpha/t-ieee: Remove multilibbing.
9876 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9878 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9880 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9882 * Makefile.in: Remove all dependencies on defaults.h.
9883 * builtins.c: Don't include defaults.h.
9884 * c-common.c: Likewise.
9885 * c-decl.c: Likewise.
9886 * c-pragma.c: Likewise.
9887 * c-typeck.c: Likewise.
9888 * combine.c: Likewise.
9890 * frame-ia64.c: Likewise.
9891 * cppexp.c: Likewise.
9892 * crtstuff.c: Likewise.
9893 * dbxout.c: Likewise.
9894 * dwarf2out.c: Likewise.
9895 * dwarfout.c: Likewise.
9896 * emit-rtl.c: Likewise.
9897 * except.c: Likewise.
9899 * final.c: Likewise.
9900 * frame-dwarf2.c: Likewise.
9901 * libgcc2.c: Likewise.
9902 * optabs.c: Likewise.
9903 * profile.c: Likewise.
9904 * sdbout.c: Likewise.
9905 * toplev.c: Likewise.
9906 * tradcif.y: Likewise.
9908 * varasm.c: Likewise.
9910 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9912 * builtins.c (expand_builtin_fputs): Use size_one_node when
9913 transforming into fwrite.
9915 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9917 * extend.texi (Attribute Syntax): New section.
9919 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9921 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9922 they didn't need fixing.
9924 2001-01-27 Janis Johnson <janis@us.ibm.com>
9926 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9928 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9929 to remove macro definitions that are duplicated from elfos.h.
9931 2001-01-27 Richard Henderson <rth@redhat.com>
9933 * config/i386/sco5gas.h: Move ...
9934 * config/usegas.h: ... here.
9935 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9937 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9939 * c-typeck.c (struct constructor_stack): Add range_stack member.
9940 (really_start_incremental_init): Clear it.
9941 (push_init_level): Save constructor_range_stack and clear it if
9942 pushing explicit braces.
9943 (pop_init_level): abort if constructor_range_stack is non-zero at
9944 explicit closing brace. Restore saved constructor_range_stack if
9947 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9949 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9950 into register was forced into memory.
9952 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9954 * Makefile.in: Remove uses of + before $(MAKE).
9956 2001-01-26 Richard Henderson <rth@redhat.com>
9958 * stmt.c (cost_table): Remove.
9959 (COST_TABLE, cost_table_initialized): New.
9960 (estimate_case_costs): Use the later instead of the former.
9961 (balance_case_nodes): Likewise.
9963 2001-01-26 Richard Henderson <rth@redhat.com>
9965 * alias.c (objects_must_conflict_p): Read-only slots may not
9966 conflict despite having the same type.
9968 2001-01-27 Michael Hayes <mhayes@redhat.com>
9970 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9972 (check_ext_dependant_givs): Initialise u_start_val and
9974 (load_mems): Make last_max_reg unsigned.
9975 (try_swap_copy_prop): Use INSN_P and initialise set.
9977 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9979 * README.AVR : Removed.
9981 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9983 * pa-64.h (text_section): Remove declaration.
9985 * pa.md (return_internal): Remove mode on PIC register use.
9987 2001-01-25 lars brinkhoff <lars@nocrew.org>
9989 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9990 ASM_CLOSE_PAREN): fix typos.
9992 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9994 * acconfig.h: Define `const' to the empty string if neither
9995 __STDC__ nor __cplusplus is defined.
9996 * config.in: Regenerated.
9998 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10000 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10001 * collect2.c (main): Delete importf. Add ".obj" file extension.
10002 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10003 (aix_std_libs): Add additional AIX libraries to skip.
10004 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10005 * config/rs6000/aix51.h: New file.
10007 2001-01-25 Michael Hayes <mhayes@redhat.com>
10009 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10010 (loop_insn_emit_before): No longer static.
10011 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10012 (loop_givs_rescan, load_mems): Likewise.
10013 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10014 (maybe_eliminate_biv_1):
10015 (move_movables): Replace emit_call_insn_before with
10016 loop_call_insn_hoist.
10017 * loop.h (loop_insn_emit_before): Add.
10018 * unroll.c (copy_loop_body): Replace emit_insn_before with
10019 loop_insn_emit_before.
10021 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10023 * diagnostic.c (fatal): Request preprocessed source.
10025 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10027 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10028 olddecl has argument types and newdecl has none, use the argument
10029 types from olddecl.
10031 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10033 * dwarf2out.c (prefix_of): New function. Determine longest common
10034 prefix of the two arguments. The units are whole path components.
10035 (output_file_names): When adding a new directory find the one entry
10036 with the longest common prefix already in the list. Artificially
10037 generate entry if there is none for this prefix.
10038 Fix test to check whether the zeroth directory entry is used.
10040 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10042 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10043 Changed all callers. Take it into account when deciding if a
10044 previously loaded value matches.
10046 2001-01-24 Richard Henderson <rth@redhat.com>
10048 * reload.c (find_reloads_subreg_address): Fail the substitution
10049 if the resulting address is insufficiently aligned.
10051 2001-01-24 DJ Delorie <dj@redhat.com>
10053 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10054 check the original operand's mode also.
10055 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10057 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10059 * c-parse.in (cast_expr): Move compound literals from here ...
10060 (primary): ... to here. Use standard terminology "compound
10061 literal" instead of "constructor expression".
10063 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10065 * gcc.1, cpp.1: Regenerate.
10067 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10069 * calls.c (emit_library_call_value_1): Memory slot for
10070 pass-by-reference argument should have the mode of the argument,
10071 not of the pointer to it.
10073 2001-01-24 Tom Tromey <tromey@redhat.com>
10075 * gcc.texi (G++ and GCC): Mention gcj manual.
10076 (Standards): Link to section of manual mentioning gcj/Java
10079 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10081 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10082 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10083 * tradcpp.c (main): Add -imacros or -include'd dependencies
10085 * cpp.texi (-M, -MM): Document -M -include behaviour.
10087 2001-01-24 Roger Collins <roger@ProProject.com>
10089 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10091 2001-01-24 Will Cohen <wcohen@redhat.com>
10093 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10094 whether registers are 32 bits or 64 bits in size.
10096 2001-01-24 Ben Elliston <bje@redhat.com>
10098 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10100 2001-01-24 Richard Henderson <rth@redhat.com>
10102 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10103 (builtin_longjmp): Use it instead of emit_indirect_jump.
10105 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10107 * bb-reorder.c (make_reorder_chain_1): Handle case where
10108 jump edge goes to the same block as the fallthru edge.
10110 2001-01-23 Jim Wilson <wilson@redhat.com>
10112 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10113 * frame.h (__ia64_personality_v1): Add prototype.
10114 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10115 prototype form. Add void * cast to first argument to personality
10117 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10118 (asctoe113): Likewise.
10119 * config/ia64/frame-ia64.c: Include eh-common.h.
10120 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10122 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10124 (itanium_split_issue): Add prototype.
10125 (gen_nop_type): Ifdef out.
10126 (find_best_packet): Initialize best_packet.
10127 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10129 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10130 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10131 (flushrs): Add explicit stop bit at end.
10132 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10135 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10137 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10139 * libgcc2.c (__terminate_func): Make variable static.
10140 (__terminate_set_func): New function to set __terminate_func.
10141 * libgcc2.h (__terminate_func_ptr): New typedef.
10142 (__terminate_set_func): New function.
10144 2001-01-23 Richard Henderson <rth@redhat.com>
10146 * flow.c (init_propagate_block_info): Don't consider unchanging
10147 memories for dead frame store elimination.
10149 2001-01-23 Richard Henderson <rth@redhat.com>
10151 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10152 * defaults.h: ... here.
10154 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10156 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10158 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10160 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10162 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10164 * rs6000.h (rs6000_return_addr): Move prototype from here...
10165 * rs6000-protos.h (rs6000_return_addr): ...to here.
10166 (rs6000_init_expanders): Delete prototype.
10168 2001-01-23 Nick Clifton <nickc@redhat.com>
10170 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10171 (Spec Files): Document %B and %j and %. and %v3 and %M and
10172 %{S*&T} spec switches.
10174 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10176 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10178 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10179 Neil Booth <neil@daikokuya.demon.co.uk>
10181 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10182 Have -Werror make pedantic warnings errors, like the
10185 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10187 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10189 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10191 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10192 * integrate.c (expand_inline_function): Initialize them.
10193 (subst_constants): If changing COMPARE so that both its arguments
10194 will be VOIDmode and the comparison mode will be lost, note
10195 compare_mode. Use the recorded compare_mode to optimize
10198 2001-01-23 Jason Merrill <jason@redhat.com>
10200 * dwarf2out.c (new_die): Use xcalloc.
10201 (output_die): Abort rather than emit a local reference to offset 0.
10203 2001-01-17 Andrew Haley <aph@redhat.com>
10205 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10206 of a saved register; return NULL instead.
10207 (copy_reg): Take a pointer to a source register rather than a
10209 (next_stack_level): Remember the address in the stack frame of all
10211 Use the saved register pointer array as the source of the CFA.
10212 (throw_helper): Rewrite. Unwind once rather than twice and keep
10213 track of saved registers as we go.
10215 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10217 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10218 * c4x.c (c4x_legitimize_reload_address): Remove.
10219 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10220 reload address for ldp(k) insn.
10222 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10224 * pa.md (return_internal): Add a USE of the PIC register to ensure
10225 it is restored after each call.
10226 (return expander): Corresponding changes.
10228 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10230 * rs6000.h (INIT_EXPANDERS): Delete.
10231 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10232 * rs6000.c (rs6000_override_options): Call *_machine_status from
10234 (rs6000_init_expanders): ...instead of here. Delete.
10235 (rs6000_mark_machine_status): New function.
10236 (rs6000_init_machine_status): Use xcalloc.
10237 (rs6000_return_addr): Generate RTX for the return address.
10238 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10239 (rs6000_stack_info): Use it.
10241 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10243 * gthr-win32.h: Include errno.h to get a declaration for
10244 EINVAL and _mingw.h if the target is mingw32.
10246 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10248 * cpp.texi: Correct typos.
10250 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10252 * explow.c (probe_stack_range): Ensure value passed to
10253 stack_check_libfunc is ptr_mode, not Pmode.
10255 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10257 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10258 case, don't use operand_subword to calculate a SUBREG that is
10261 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10263 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10265 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10266 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10267 valid. If not replace it by equivalent insns.
10269 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10271 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10272 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10273 (c4x_U_constraint, symbolic_address_operand): Likewise.
10274 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10276 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10277 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10278 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10279 anulling slot because of silicon bug.
10280 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10282 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10284 * cppexp.c (parse_charconst): Change `mask' type to agree
10287 2001-01-21 Richard Henderson <rth@redhat.com>
10289 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10290 pic_label_name in a linkonce section.
10292 2001-01-17 Philipp Thomas <pthomas@suse.de>
10294 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10296 * configure: Regenerate.
10298 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10300 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10301 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10303 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10305 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10306 If REVERSE nonzero then condition code in X must be reversed.
10307 (encode_section_info): Optimise if/else.
10308 (avr_function_value): Fix formatting.
10310 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10311 (difficult_branch): Likewise.
10312 (rvbranch): Likewise.
10313 (difficult_rvbranch): Likewise.
10315 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10317 * config/avr/libgcc.S: Fix comment.
10319 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10321 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10323 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10325 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10327 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10329 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10330 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10331 * configure, config.in: Regenerate.
10332 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10333 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10334 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10335 (doprint.o): New rule.
10337 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10339 * c-typeck.c (digest_init): Handle boolean types as scalars.
10341 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10343 * stmt.c (expand_return): Don't return anything if size is zero.
10344 Delete redundant assignment to BYTES.
10345 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10347 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10349 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10350 the same as the default library function names.
10351 * config/avr/avr.md: Document special characters after '%'.
10352 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10353 knowing which of the call-used registers are really clobbered.
10354 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10355 New. Both quotient and remainder from one libgcc.S call.
10356 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10357 clobber as few registers as possible.
10358 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10360 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10362 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10363 context of the top of the stack.
10365 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10367 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10368 (fixup_var_refs_insns): ...here.
10370 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10372 * function.c (fixup_var_refs_insns): Break up into
10373 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10374 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10375 [loop over hash table entries].
10376 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10377 fixup_var_refs_insns_with_hash, to match above changes.
10379 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10381 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10382 (libgcc.a): Likewise.
10383 (stmp-multilib): Likewise.
10384 (STAGE2_FLAGS_TO_PASS): Likewise.
10386 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10388 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10389 temporary if no_new_pseudos.
10391 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10393 * cppinternals.texi: Update.
10395 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10397 * arm.c (arm_init_builtins): Re-enable builtins.
10399 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10401 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10402 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10403 element to be null, and always expect an EXPR_LIST.
10404 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10405 * sched-deps.c (sched_analyze_1): Likewise.
10406 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10408 * regclass.c (max_set_parallel): New variable.
10409 (reg_scan): Take it into account in computation of max_parallel.
10410 (reg_scan_mark_refs, case SET): Compute it.
10412 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10414 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10415 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10417 2001-01-19 Jason Merrill <jason@redhat.com>
10419 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10420 for the abstract instance of an inline function.
10422 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10423 J"orn Rennecke <amylaar@redhat.com>
10425 * reload1.c (move2add_note_store): Treat all registers directly or
10426 indirectly derived from a base register as members of the same set
10428 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10429 of base register into account.
10431 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10433 * alias.c (find_base_value): Recognize TRUNCATE.
10434 (record_set): In PLUS case, invalidate if other summand is also a
10437 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10439 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10440 entry to be EXPR_LIST.
10441 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10442 be an EXPR_LIST (but not null, which other code doesn't allow).
10443 (note_stores): Properly handle PARALLEL in SET.
10444 Recursively call for top-level PARALLEL.
10445 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10446 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10448 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10450 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10452 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10453 not pfile->skipping (== 0).
10455 2001-01-17 Nick Clifton <nickc@redhat.com>
10457 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10460 2001-01-17 Jim Wilson <wilson@redhat.com>
10462 * invoke.texi (IA-64 options): Improve.
10464 2001-01-17 Tom Tromey <tromey@redhat.com>
10466 * invoke.texi (Optimize Options): Use `{}' to around @samp
10469 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10471 * invoke.texi (-fno-guess-branch-probability): New option.
10473 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10475 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10476 case of making new double-word constant.
10477 Revert last change: instead just test i3_subst_into_i2.
10479 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10481 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10482 Use q constraints instead of r.
10484 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10486 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10487 (machine_function): Define.
10488 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10489 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10490 pa_free_machine_status): New functions.
10491 (override_options): Set {init,mark,free}_machine_status to above.
10492 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10493 PIC_OFFSET_TABLE_REGNUM_SAVED.
10494 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10495 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10496 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10497 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10498 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10500 2001-01-15 DJ Delorie <dj@redhat.com>
10502 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10506 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10508 * flow.c (propagate_one_insn): Make trying to delete a prologue
10509 or epilogue insn an ICE, not a warning. Allow doing this if
10510 the current function returns with stack pointer depressed.
10512 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10513 I3 having more than one SET.
10515 2001-01-16 Jim Wilson <wilson@redhat.com>
10517 * invoke.texi: Document IA-64 options.
10519 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10520 (fixup_errata): Delete TARGET_A_STEP use.
10521 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10522 (TARGET_SWITCHES): Delete -ma-step option.
10523 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10524 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10525 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10526 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10527 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10528 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10530 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10531 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10532 cmovsi_internal): Delete ! TARGET_A_STEP check.
10534 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10536 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10537 possibility to report bugs via postal mail. Change a URL and
10538 merge in a nearly duplicate statement...
10539 (Bug Reporting): ...from here.
10540 (Service): Refer to the Bug Reporting section instead of
10541 duplicating an URL.
10542 (Contributing): Remove trivial explanations concerning snapshots.
10544 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10546 * cppmain.c (general_init): Don't use ANSI prototype.
10548 2001-01-16 Tom Tromey <tromey@redhat.com>
10550 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10552 2001-01-16 Richard Henderson <rth@redhat.com>
10554 * config/i386/i386.h: Fix comment typo.
10555 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10556 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10558 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10560 * gcc.c: Revert previous -fsyntax-only-related change; move
10563 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10565 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10566 inmode after checking GET_CODE (op).
10568 2001-01-16 Richard Henderson <rth@redhat.com>
10570 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10571 (MAX_MEM_SET_LIST_LEN): New.
10572 (propagate_one_insn): Update mem_set_list_len.
10573 (invalidate_mems_from_autoinc): Likewise.
10574 (invalidate_mems_from_set): Likewise.
10575 (mark_used_regs): Likewise.
10576 (init_propagate_block_info): Likewise. Stop collecting memories
10577 when we reach MAX_MEM_SET_LIST_LEN.
10578 (mark_set_1): Likewise.
10580 2001-01-16 Richard Henderson <rth@redhat.com>
10582 * unroll.c (precondition_loop_p): Fail if no iteration
10585 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10587 * gcc.c: When -fsyntax-only is given, do not complain about
10590 2001-01-15 Richard Henderson <rth@redhat.com>
10592 * config/i386/i386.c (asm_output_function_prefix): Remove.
10593 (ix86_asm_file_end): New.
10594 (load_pic_register): Generate pic_label_name into a
10595 staticly allocated buffer.
10596 * config/i386/i386-protos.h: Update.
10597 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10598 (ASM_FILE_END): New.
10599 * config/i386/i386afe.h: New file.
10600 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10601 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10602 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10603 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10604 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10605 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10606 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10608 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10610 * Makefile.in (install-man): Remove explicit dependency on
10613 * configure.in, configure: Revert previous patch requiring perl
10616 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10618 * toplev.c (flag_guess_branch_prob): New.
10619 (f_options): Add guess-branch-probability option.
10620 (rest_of_decl_compilation): Only estimate branch probability if
10622 (main): set flag_guess_branch_prob.
10624 * flags.h (flag_guess_branch_prob): New.
10626 2001-01-15 DJ Delorie <dj@redhat.com>
10628 * gcc.texi (Makefile): Add documentation for Makefile targets.
10630 2001-01-15 Philip Blundell <philb@gnu.org>
10632 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10634 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10635 (is_pic): Delete declaration.
10636 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10637 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10638 * config/arm/arm.md (builtin_setjmp_receiver): New.
10640 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10642 * arm.c (use_return_insn): Don't try to determine the function type
10643 until after reload has completed.
10644 (arm_output_epilogue): Don't adjust the sp value recovered from the
10646 (emit_multi_reg_push): Don't record dwarf information for the pc.
10647 * arm.md (eh_epilogue): The function type may have changed, so it
10648 needs to be recalculated.
10649 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10650 unwind tables on arm/netbsd.
10652 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10654 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10655 (negated_cbranchsi4): Likewise.
10657 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10659 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10660 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10661 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10662 pass -mapcs-* options to assembler.
10663 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10664 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10665 (ASM_SPEC): Call subtarget_extra_asm_spec.
10667 2001-01-15 Andreas Jaeger <aj@suse.de>
10669 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10671 (ix86_expand_builtin): Likewise.
10673 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10674 warning about comparison between signed and unsigned.
10676 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10678 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10680 2001-01-14 Ralf Baechle <ralf@gnu.org>
10682 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10683 SUBTARGET_CPP_SPEC apropriatly.
10685 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10687 * varasm.c (make_decl_rtl): Fix typo in last change.
10689 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10691 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10692 linker supports the init_priority C++ attribute.
10693 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10694 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10695 linker does not support init_priority C++ attribute.
10697 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10699 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10701 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10703 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10704 * cp/lex.c (finish_parse): Similarly.
10705 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10706 Return the number of errors encountered.
10707 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10708 * cppmain.c (main): Don't call cpp_destroy.
10710 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10712 * configure.in: Require at least perl 5.6.0 to regenerate
10714 * configure: Regenerate.
10716 2001-01-14 Richard Henderson <rth@redhat.com>
10718 * genrecog.c (DT_veclen_ge): New.
10719 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10720 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10721 (nodes_identical_1): Handle DT_veclen_ge.
10722 (write_cond, debug_decision_2): Likewise.
10724 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10726 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10728 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10730 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10732 * cppmain.c (do_preprocessing): New function; most of the old
10734 (main): Call it to do most of the work.
10735 (cb): Move from global scope to set_callbacks ().
10736 (setup_callbacks): Get the callback pointer.
10737 (general_init, printer_init): Clean up code and comments.
10739 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10741 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10744 2001-01-14 Kazu Hirata <kazu@hxi.com>
10746 * config/h8300/h8300.c (get_shift_alg): Update comments.
10748 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10750 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10751 (alloc_page, ggc_alloc): Add casts to remove warnings.
10753 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10755 * combine.c (simplify_comparison): Don't change `code' when
10756 can't reverse comparison.
10758 2001-01-14 Richard Henderson <rth@redhat.com>
10760 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10761 update all call sites. Return true for all non-label constants.
10763 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10765 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10767 (ix86_expand_branch): Update.
10768 (ix86_expand_setcc): Update to handle multiple test conditions.
10769 (expand_int_movcc): Likewise.
10770 (expand_fp_movcc): Likewise.
10771 * i386-protos.h (ix86_expand_compare): New.
10772 * i386.md (andqi_?_slp, orqi_?_slp): New.
10773 (conditional trap expander): Update call to ix86_expand_compare.
10775 2001-01-14 Richard Henderson <rth@redhat.com>
10777 * config/vax/vax.md: Use nonimmediate_operand instead of
10778 general_operand in destinations.
10780 * config/vax/vax.md (indirect_jump): Use register_operand.
10782 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10783 * config/vax/vax.md (call_pop): Turn into an expander.
10784 (call_value_pop): Likewise.
10785 (call, call_value): New.
10787 2001-01-14 Andreas Jaeger <aj@suse.de>
10789 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10791 (ix86_fp_compare_mode): Add unused attribute.
10792 (ix86_expand_fp_movcc): Remove unused variable.
10793 (ix86_expand_builtin): Make fcode unsigned.
10795 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10796 (expand_expr): Add cast to avoid signed warning.
10797 (store_field): Likewise.
10798 (store_constructor_field): Likewise.
10799 (store_constructor): Likewise.
10800 (store_expr): Likewise.
10801 (clear_storage): Likewise.
10802 (emit_group_store): Likewise.
10803 (emit_group_load): Likewise.
10805 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10807 * c-common.c: Move format checking code to ...
10808 * c-format.c: ... here. New file. Reorder some functions and
10810 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10812 * c-common.h (decl_handle_format_attribute,
10813 decl_handle_format_arg_attribute): Declare.
10814 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10815 (c-common.o): Adjust dependencies.
10816 (c-format.o): New list of dependencies.
10818 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10820 * unroll.c (loop_iterations): If we cannot prove iteration variable
10821 is set once in each iteration, punt.
10823 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10825 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10826 (*strlenhi): Remove clobber (which was buggy) of output address.
10828 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10830 * Makefile.in (generated-manpages): Add gcc.1
10831 ($(srcdir)/gcc.1): New target.
10832 (maintainer-clean): Delete $(srcdir)/gcc.1.
10833 * gcc.texi: Add macros @gccoptlist and @gol.
10834 * invoke.texi: Include option summary in manpage. Mark up option
10835 summary with @gccoptlist and @gol. Use @r in one place where
10837 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10838 * gcc.1: Generate from invoke.texi.
10840 2001-01-13 Richard Henderson <rth@redhat.com>
10842 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10843 (struct page_entry): Add group member.
10844 (struct page_group): New.
10845 (struct globals): Add page_groups member.
10846 (alloc_anon): Only define for using mmap; remove valloc call.
10847 (page_group_index): New.
10848 (set_page_group_in_use): New.
10849 (clear_page_group_in_use): New.
10850 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10851 (free_page, release_pages): Likewise.
10852 * configure.in (with-gc): Default to ggc-page always.
10854 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10856 * reload1.c (replace_pseudos_in_call_usage): Use
10857 reg_equiv_constant and reg_equiv_address, and don't try
10858 regno_reg_rtx first.
10860 2001-01-13 Richard Henderson <rth@redhat.com>
10862 * ggc-page.c (alloc_page): Round up allocation size to one page.
10863 Set e->order on extra pages.
10865 2001-01-13 Richard Henderson <rth@redhat.com>
10867 * genrecog.c (nodes_identical): Expand commentary.
10868 (write_switch): Watch out for identical nodes.
10870 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10872 * cppfiles.c (_cpp_fake_include): New function.
10873 * cpphash.h (_cpp_fake_include): New.
10874 * cpplib.c (do_line): Call _cpp_fake_include when entering
10875 header files in preprocessed input.
10876 * cppmain.c (cb_pragma_implementation): Remove handling.
10877 (setup_callbacks): Don't register pragmas.
10879 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10881 * extend.texi: Udate for CPP.
10883 2001-01-13 Andreas Jaeger <aj@suse.de>
10885 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10887 * regmove.c: Add prototype for replace_in_call_usage.
10889 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10891 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10892 struct cpp_chunk, struct htab, struct toklist,
10893 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10894 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10895 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10896 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10897 (struct macro_args): Delete.
10898 * cpphash.h: See above.
10900 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10902 * cppmain.c (struct printer): Remove no_line_dirs.
10903 (options, cb): New.
10904 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10905 : Use options rather than CPP_OPTION.
10906 (setup_callbacks): Use cb rather than pfile->cb.
10907 (main): No need to check for a buffer. Use cpp_errors.
10908 (printer_init): Don't set no_line_dirs.
10909 (maybe_print_line): Use options not no_line_dirs.
10910 (cb_file_change): Don't call print_line if -P.
10912 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10914 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10916 * c-parse.in (finish_parse): Use cpp_errors.
10917 (__yylex): Use return value of cpp_pop_buffer.
10918 * cp/lex.c (finish_parse): Use cpp_errors.
10919 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10921 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10923 * README.AVR: URLs corrected.
10925 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10927 * c-decl.c (start_function): Don't warn if old prototype is builtin
10928 that's not in C's namespace.
10929 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10930 (_bb): Add prototype for ctime.
10931 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10933 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10935 * i386.c (ix86_fp_comparison_arithmetics_cost,
10936 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10937 ix86_fp_comparison_cost): New functions.
10938 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10939 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10940 two-branch sequences; make static.
10941 (ix86_use_fcomi_compare): Do decision according to the costs.
10942 (split_fp_branch): New.
10943 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10944 * i386-protos.h (ix86_expand_fp_compare): Remove
10945 (ix86_split_fp_branch): Declare.
10947 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10948 and ix86_comparison_operator.
10950 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10951 to make it cheaper.
10953 * i386.c (put_condition_code): Output properly the unordered/ordered
10954 compares in fp case.
10955 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10957 * tm.texi (REVERSE_CONDITION): Document.
10958 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10959 in -ffast-math mode.
10960 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10962 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10964 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10966 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10969 * config/sh/sh.c (mova_p): Fix test for mova_const.
10971 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10973 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10974 cpp_get_options rather than dereferencing pfile and using
10976 * scan-decls.c (scan_decls): Use return value of
10977 cpp_pop_buffer rather than CPP_BUFFER.
10979 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10981 * cppinit.c (cpp_handle_option): help_only is now part of the
10982 cpp_options structure.
10983 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10984 cpp_set_callbacks): New functions.
10985 * cpplib.h (cpp_callbacks): Break out as a named structure.
10986 (cpp_options): Move help_only here from cpp_reader.
10987 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10988 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10989 cpp_set_callbacks): New prototypes.
10990 * cppmain.c (main): Update for help_only.
10992 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10994 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10995 Also build and remove and install and uninstall c-tree.info and
10997 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10998 ($(srcdir)/cppinternals.info): New target.
10999 * c-tree.texi: Change file name used when makeinfo used without -o
11000 from ir.info to c-tree.info. Add info directory entry.
11001 * cppinternals.texi: Add info directory entry.
11002 * .cvsignore: Update.
11004 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11006 * c-typeck.c (store_init_value): Don't require constant initializer
11007 elements with -pedantic -std=c99.
11008 (digest_init): Change error about non-constant initializer elements
11010 (constructor_range_end): Remove.
11011 (constructor_incremental, designator_depth,
11012 designator_errorneous): New variables.
11013 (struct constructor_stack): Remove range_end, add incremental.
11014 (struct constructor_range_stack, constructor_range_stack): New.
11015 (struct initializer_stack): Add constructor_range_stack.
11016 (finish_init): Set it.
11017 (start_init): Likewise. require_constant_elements for non-static
11018 trees only if not flag_isoc99.
11019 (really_start_incremental_init): Remove constructor_range_end, add
11020 constructor_incremental.
11021 (pop_init_level): Likewise.
11022 (push_init_level): Likewise. If implicit and the subobject had some
11023 value set already, preinitialize the level with it.
11024 Warn about missing braces only if not pushing due to designators.
11025 (set_designator, push_range_stack): New functions.
11026 (set_init_label): Use them.
11027 (set_init_index): Likewise. Remove constructor_range_end.
11028 Error if designator index is outside of array bounds.
11029 (add_pending_init): Compare values of purpose index trees, not the
11030 trees themselves. Allow overwriting of already initialized element.
11031 Issue a warning if it had side-effects.
11032 (set_nonincremental_init, set_nonincremental_init_from_string): New
11034 (pending_init_member): Rename to...
11035 (find_init_member): ...this function. Call set_nonincremental_init
11036 if necessary. Compare values of purpose index trees, not the trees
11037 themselves. Return the actual value, not just non-zero if something
11039 (output_init_element): Remove checks for duplicates.
11040 If field has zero size, only check the initializer for correctness.
11041 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11042 if constructor_incremental is zero. Change error about initializers
11043 not computable at load time into pedwarn.
11044 (output_pending_init_elements): Compare bit positions, not
11045 FIELD_DECLs to take into account zero-sized fields.
11046 (process_init_element): Use constructor_range_stack to fill all
11047 ranges in the designator lists from current level up.
11048 * extend.texi: Update documentation for labeled elements.
11050 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11052 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11053 to function usage for arguments passed by reference. Optimize
11054 callee-copied arguments.
11055 * regmove.c (replace_in_call_usage): New function.
11056 (fixup_match_1): Call it.
11057 * cse.c (cse_insn): Canonicalize registers in function usage.
11058 * reload1.c (replace_pseudos_in_call_usage): New function.
11061 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11064 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11066 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11069 2001-01-12 DJ Delorie <dj@redhat.com>
11071 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11072 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11075 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11077 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11078 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11079 -std options alongside references to -ansi. Update some
11080 documentation for C99.
11081 * cpp.1: Regenerate.
11083 2001-01-12 Andreas Jaeger <aj@suse.de>
11085 * haifa-sched.c (restore_line_notes): Remove argument block B
11087 * sched-ebb.c (schedule_ebb): Change caller.
11088 * sched-rgn.c (schedule_region): Likewise.
11089 * sched-int.h (restore_line_notes): Adjust prototype.
11091 * loop.h: Remove wrong declaration of doloop_condition_get.
11093 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11095 * extend.texi: Move C++-extension-related node from the C section
11096 into the C++ section.
11098 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11100 * extend.texi: Refer to an array of pointers to functions instead
11101 of one of functions.
11103 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11104 Jan Hubicka <jh@suse.cz>
11106 * combine.c (reversed_comparison): Fix typo in last patch.
11108 (combine_reversed_comparison_code): Make static to follow
11109 prototype declaration.
11111 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11113 * install.texi: Remove misplaced duplicate entry.
11115 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11117 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11119 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11121 * final.c: (leaf_function_p): Fix typo.
11123 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11125 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11126 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11128 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11129 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11130 mmap_anon, and valloc is available.
11131 * ggc-page.c: Restructure ifdef logic to match new autoconf
11132 spec. Don't throw away the test page in init_ggc.
11134 * configure, config.in: Regenerate.
11136 2001-01-12 Michael Hayes <mhayes@redhat.com>
11138 * loop.h (total_biv_increment): Constify iv_class pointer.
11139 (struct induction): Replace `mem_mode' with `mem' rtx.
11140 * unroll.c (total_biv_increment): Constify iv_class pointer.
11141 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11142 (find_mem_givs, combine_givs_p): Likewise.
11143 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11145 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11147 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11149 (__gthread_getspecific): Ditto.
11151 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11153 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11154 put_condition_code): Convert fp comparison codes to integer
11156 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11159 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11160 * i386-protos.h (no_comparison_operator): Kill.
11162 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11164 * combine.c (REVERSIBLE_CC_MODE): Remove.
11165 (reversible_comparison_p): Remove.
11166 (combine_reversed_comparison_code): New.
11167 (reversed_comparison): New.
11168 (combine_simplify_rtx): Use
11169 combine_reversed_comparison_code/reversed_comparison instead
11170 of reversible_comparison_p.
11171 (simplify_if_then_else): Likewise.
11172 (simplify_set): Likewise.
11173 (simplify_logical): Likewise.
11174 (if_then_else_cond): Likewise.
11175 (known_cond): Likewise.
11176 (simplify_comparison): Likewise.
11178 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11180 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11181 sizeof (int) is larger than sizeof(__word__).
11183 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11185 * cppinit.c (do_includes): Fix typo.
11187 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11189 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11190 in S_REGS does not occur because not all sources are possible
11191 when a S_REGS is a destination (sometimes needs a clobber).
11192 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11193 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11194 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11195 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11196 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11197 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11198 (lshrdi_const1, lshrsi3_const16): Likewise.
11199 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11200 (*movhi_68hc12, *movqi_68hc12): Likewise.
11201 (movstrictqi): Make sure reloading in D_REGS as a destination
11204 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11206 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11208 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11210 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11211 -D, -U and -A, and don't initialize the builtins.
11212 (do_includes): Error if -include or -imacros with -fpreprocessed.
11213 * cppmain.c (cb_define, cb_undef): Unconditionally process
11215 * tradcpp.c (main): Fix typo.
11217 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11219 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11220 (read_name_map): Use IS_ABSOLUTE_PATH.
11221 * tradcpp.c (get_filename): Likewise.
11223 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11225 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11226 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11227 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11228 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11229 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11230 (cmphi_z_used): Don't use '@' for the output.
11231 (tstqi_z_used): Likewise.
11232 (cmpqi_z_used): Likewise.
11233 (one_cmplsi2): Likewise.
11235 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11237 * config/sh/sh.c (barrier_align): Recognize branch around far
11238 branch and redundant insn.
11240 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11242 * invoke.texi: Restore documentation of the drivers' switches -MD
11245 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11247 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11249 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11250 check-objc//%): Support parallel testing of multilibs.
11251 (TESTSUITEDIR): Set to testsuite by default, but override for
11253 (check-gcc, check-g++, check-g77, check-objc): Enter
11256 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11258 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11259 * sched-deps.c (deps_may_trap_p): Likewise.
11260 * basic-block.h: Remove a comment.
11261 * flow.c (PROP_POSTRELOAD): Remove.
11262 (update_life_info): Don't add it to prop_flags.
11263 (mark_set_1): Lose the code that was enabled by it.
11265 2001-01-11 Michael Hayes <mhayes@redhat.com>
11267 * flow.c (flow_call_edges_add): New.
11268 * basic_block.h (flow_call_edges_add): New.
11270 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11272 * reload1.c (move2add_note_store): Update reg_set_luid even if
11273 base reg remains the same.
11275 2001-01-10 Nick Clifton <nickc@redhat.com>
11277 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11278 machine_function structure to zero.
11279 Add prototypes for machine_status functions.
11281 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11283 * c-common.h (CTI_VOID_LIST): Remove.
11284 (void_list_node): Likewise.
11285 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11286 (void_list_node): New macro.
11287 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11288 * config/i386/i386.c (ix86_init_builtins): Likewise.
11289 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11291 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11293 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11294 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11296 * tradcpp.c: Include mkdeps.h.
11297 (deps, print_deps_phony_targets, deps_append, output_deps,
11298 init_dependency_output, output_deps): New.
11299 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11300 deps_output): Delete.
11301 (print_deps_missing_files): Rename deps_missing_files.
11302 (inhibit_output): Make global.
11303 (main): Delete inhibit_output, deps_stream, deps_target.
11304 Use mkdeps functionality in the same way as cpplib. Remove
11305 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11306 -M and -MM. Remove old handling of deps via deps_out, and
11307 old reading of environment variables.
11308 (get_filename): Update to use deps_add_dep.
11310 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11312 * output.h (make_function_rtl): Remove prototype.
11313 (make_decl_rtl): Likewise.
11314 * varasm.c (make_function_rtl): Remove.
11315 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11316 than from a third parameter.
11317 * tree.h (make_decl_rtl): Remove last parameter.
11318 * c-decl.c (builtin_function): Remove last argument in call to
11319 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11320 (start_function): Likewise.
11321 * except.c (call_get_eh_context): Likewise.
11322 * expr.c (emit_block_move): Likewise.
11323 (clear_storage): Likewise.
11324 * profile.c (output_func_start_profiler): Likewise.
11325 * toplev.c (rest_of_decl_compilation): Likewise.
11326 * objc/objc-act.c (create_builtin_decl): Likewise.
11327 (synth_module_prologue): Likewise.
11328 (generate_static_reference): Likewise.
11329 (build_selector_reference_decl): Likewise.
11330 (build_class_reference_decl): Likewise.
11331 (build_objc_string_decl): Likewise.
11332 (build_protocol_reference): Likewise.
11334 2001-01-10 Richard Henderson <rth@redhat.com>
11336 * hwint.h: Revert yesterday's change.
11338 2001-01-10 Nick Clifton <nickc@redhat.com>
11340 * function.h (save_machine_status): Delete.
11341 (restore_machine_status): Delete.
11342 Amend comment describing {init|mark|free}_machine_status.
11344 * function.c (save_machine_status): Delete.
11345 (restore_machine_status): Delete.
11346 Amend comment describing {init|mark|free}_machine_status.
11347 (push_function_context_to): Remove invocation of
11348 save_machine_status.
11349 (pop_function_context_from): Remove invocation of
11350 restore_machine_status.
11352 * emit-rtl.c (init_emit_once): Amend comment describing
11353 {init|mark|free}_machine_status.
11355 * tm.texi (Per-Function Data): New node. Describe the
11356 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11359 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11361 * cppinit.c (OPT_g): Remove.
11362 (cpp_handle_option): Update for removed -g3.
11363 (print_help): Update.
11364 * cpplib.h (struct cpp_options): Remove debug_output.
11365 * cppmain.c (setup_callbacks, cb_define): Update.
11366 * gcc.c (cpp_options): Translate -g3 to -dD.
11368 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11370 * config/i960/i960.md: Change modifier to + on the zero_extract
11371 pattern after the (rotate -2 reg) canonicalization pattern.
11373 2001-01-10 Richard Henderson <rth@redhat.com>
11375 * config/alpha/alpha.c (alpha_free_machine_status): New.
11376 (override_options): Install it.
11377 (alpha_mark_machine_status): Verify machine non-null.
11378 * config/i386/i386.c (ix86_free_machine_status): New.
11379 (override_options): Install it.
11380 (ix86_init_machine_status): Use xcalloc.
11381 (ix86_mark_machine_status): Verify machine non-null.
11382 * config/ia64/ia64.c (ia64_free_machine_status): New.
11383 (ia64_override_options): Install it.
11384 (ia64_mark_machine_status): Verify machine non-null.
11386 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11388 * function.c (instantiate_virtual_regs): Instantiate virtual
11389 registers found in CALL_INSN_FUNCTION_USAGE.
11391 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11393 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11394 equivalent to -ansi in disabling -Di386.
11396 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11398 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11400 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11402 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11404 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11406 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11408 * invoke.texi: Document that -fcond-mismatch isn't supported for
11411 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11413 * gcc.texi: Define macro gcctabopt.
11414 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11415 @command, @env and @option in some places where appropriate. Use
11416 @gcctabopt where appropriate. Put URLs and email addresses inside
11419 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11421 * gcc.c (cpp_options): Set MD file name from output
11422 filename, if specified.
11423 (suffix_subst): New static variable.
11424 (do_spec): Clear it.
11425 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11427 (give_switch): Handle suffix_subst.
11429 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11431 * invoke.texi: Fix another typo.
11433 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11435 * invoke.texi: Fix typo.
11437 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11439 * c-lang.c (lang_hooks): Update.
11440 (lang_decode_option): Remove.
11441 (lang_init_options): Rename c_init_options.
11442 * toplev.c (main): Use lang_hooks for lang_init_options
11443 and lang_decode_option.
11444 * toplev.h (lang_hooks): Add 2 new hooks.
11445 * tree.h: Remove lang_init_options and lang_decode_option.
11446 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11447 * cp/decl2.c: Similarly.
11448 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11449 (lang_hooks): Update.
11450 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11452 (lang_init_options): Rename ffe_init_options.
11453 (lang_hooks): Update.
11454 (lang_decode_option): Remove.
11455 * java/lang.c (lang_init_options): Rename java_init_options.
11456 (lang_decode_option): Rename java_decode_option.
11457 (lang_hooks): Update.
11458 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11459 (lang_decode_option): Rename objc_decode_option.
11460 (lang_hooks): Update.
11462 2001-01-09 Nick Clifton <nickc@redhat.com>
11464 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11465 (d30v_return_addr_rtx): Delete.
11466 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11467 cfun->machine structure.
11468 (struct machine_function): Move to d30v.h
11469 (d30v_save_machine_status): Delete.
11470 (d30v_restore_machine_status): Delete.
11471 (d30v_init_machine_status): New Function.
11472 (d30v_mark_machine_status): New Function.
11473 (d30v_free_machine_status): New Function.
11474 (d30v_init_expanders): Use new functions.
11475 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11476 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11477 d30v_return_addr_rtx.
11479 * config/d30v/d30v.h (struct_machine): Move here.
11480 Add eh_epilogue_sp_ofs field.
11482 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11483 field in cfun->machine structure.
11485 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11487 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11488 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11489 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11491 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11493 * objc/lang-options.h: Remove bogus reference to
11496 2001-01-09 Kazu Hirata <kazu@hxi.com>
11498 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11501 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11503 * reload.c (find_reloads_address): Check for eliminable registers
11504 when substituting a constant expression for a pseudo.
11506 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11508 * c-common.c (enum format_type): Add format_type_error.
11509 (decode_format_type): New function.
11510 (decl_attributes): Use it.
11511 (format_kind_info): Adjust comment.
11513 2001-01-09 David O'Brien <obrien@BSDi.com>
11515 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11516 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11518 * config/i386/gnu.h: Don't include required platform specific .h files,
11519 tm.h will do it instead.
11520 * config/i386/i386elf.h: Likewise.
11521 * config/i386/linux.h: Likewise.
11522 * config/i386/moss.h: Likewise.
11523 * config/mips/gnu.h: Likewise.
11525 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11527 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11528 (rs6000-ibm-aix3.[01]*): Likewise.
11529 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11530 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11531 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11532 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11533 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11534 (powerpc-*-eabiaix*): Likewise.
11535 (powerpc-*-eabisim*): Likewise.
11536 (powerpc-*-elf*): Likewise.
11537 (powerpc-*-eabi*): Likewise.
11538 (powerpc-*-rtems*): Likewise.
11539 (powerpc-*-linux*libc1): Likewise.
11540 (powerpc-*-linux*): Likewise.
11541 (powerpc-wrs-vxworks*): Likewise.
11542 (powerpcle-wrs-vxworks*): Likewise.
11543 (powerpcle-*-sysv*): Likewise.
11544 (powerpcle-*-elf*): Likewise.
11545 (powerpcle-*-eabisim*): Likewise.
11546 (powerpcle-*-eabi*): Likewise.
11547 (powerpcle-*-solaris2*): Likewise.
11548 * config/rs6000/aix31.h: Delete includes.
11549 * config/rs6000/aix3newas.h: Likewise.
11550 * config/rs6000/aix41.h: Likewise.
11551 * config/rs6000/aix43.h: Likewise.
11552 * config/rs6000/beos.h: Likewise.
11553 * config/rs6000/rtems.h: Likewise.
11554 * config/rs6000/sysv4.h: Likewise.
11556 2001-01-09 Kazu Hirata <kazu@hxi.com>
11558 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11559 Change an argument mode of machine_mode to shift_mode of
11560 shift_mode. Remove an extra error check.
11561 (emit_a_shift): Adopt to the new calling prototype of
11563 (function_prologue): Fix code for a monitor
11564 function. Support H8/S.
11565 (function_epilogue): Do not output pop for a monitor function.
11567 2001-01-09 Nick Clifton <nickc@redhat.com>
11569 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11570 (setup_incoming_varargs): Use sysv_varargs_p field of the
11571 cfun->machine structure.
11572 (struct machine_function): Move to rs6000.h
11573 (rs6000_save_machine_status): Delete.
11574 (rs6000_restore_machine_status): Delete.
11575 (rs6000_init_machine_status): New Function.
11576 (rs6000_free_machine_status): New Function.
11577 (rs6000_init_expanders): Use new functions.
11579 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11581 (struct machine_function): Move here.
11583 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11584 sysv_varargs_p field of the cfun->machine structure.
11586 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11588 (rs6000_restore_machine_status): Remove prototype.
11590 2001-01-09 Richard Henderson <rth@redhat.com>
11592 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11593 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11594 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11595 (sched_analyze_2, sched_analyze_insn): Likewise.
11596 (sched_analyze, init_deps): Likewise.
11597 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11598 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11599 (compute_block_backward_dependences): Update propagate_deps call.
11601 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11603 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11605 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11607 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11608 (cpp_handle_option): Handle them.
11609 (cpp_post_options): Ensure one of -M or -MM is specified with
11610 any other -M? option.
11611 (init_dependency_output): Suppress output with -MG.
11613 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11615 * cpp.texi: Update.
11616 * invoke.texi: Update.
11618 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11620 * sh.md (reload_outsf): Generate recognizable patterns for
11623 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11625 * c-lang.c (lang_hooks): Update.
11626 (lang_init): Rename c_init.
11627 (lang_finish): Remove.
11628 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11629 and lang_finish ().
11630 * toplev.h (lang_hooks): Add init () and finish ().
11631 * tree.h (lang_init, lang_finish): Remove.
11632 * cp/tree.h (lang_init, lang_finish): Remove.
11633 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11634 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11636 (lang_init, lang_finish): Remove.
11637 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11638 (lang_hooks): Update.
11639 * java/lang.c (lang_init): Rename java_init.
11640 (lang_finish): Remove.
11641 (lang_hooks): Update.
11642 * objc/objc-act.c (lang_init): Rename objc_init.
11643 (lang_finish): Remove.
11644 (lang_hoooks): Update.
11646 20001-01-09 Graham Stott <grahams@redhat.com>
11648 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11649 after `ptr` is initialised.
11651 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11653 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11654 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11655 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11656 stack adjusts, instead of r3.
11658 2001-01-09 Michael Hayes <mhayes@redhat.com>
11660 * flow.c (flow_loop_scan): Break out of ...
11661 (flow_loops_find) ... here.
11662 * basic-block.h (flow_loop_scan): New.
11663 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11664 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11666 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11668 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11670 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11671 realloc()ing macro_buffer.
11673 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11674 if it's wider than long and the target's long is wider than the
11677 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11679 Remove support for using UWIN as a host machine.
11680 * configure.in: Issue an error message.
11681 * configure: Regenerated.
11682 * config.gcc: Remove xm_* UWIN configury.
11683 * config/i386/xm-uwin.h: Remove.
11685 2001-01-08 Nick Clifton <nickc@redhat.com>
11687 * config/v850/v850.c (ra_rtx): Delete.
11688 (v850_save_machine_status): Delete.
11689 (v850_restore_machine_status): Delete.
11690 (v850_init_machine_status): New function.
11691 (v850_mark_machine_status): New function.
11692 (v850_free_machine_status): New function.
11693 (v850_return_addr): Use ra_rtx field in machine structure.
11694 (v850_init_expanders): Use new functions.
11696 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11697 * config/v850/v850.c: Change arguments to v850_output+* functions
11698 to take a const char *, to avoid compile time warning.
11699 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11700 (USER_LABEL_PREFIX): Redefine.
11702 2000-01-08 Jim Wilson <wilson@redhat.com>
11704 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11705 1 to unsigned HOST_WIDE_INT before left shift.
11707 2001-01-08 Nick Clifton <nickc@redhat.com>
11709 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11710 the machine structure has been allocated.
11711 (arm_free_machine_status): New function: Free the machine
11712 specific function structure.
11714 2001-01-08 Richard Henderson <rth@redhat.com>
11716 * jump.c (simplejump_p): Revert last change.
11718 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11720 * cppinit.c (init): Rename init_library.
11721 (cpp_create_reader): Update.
11722 * gcc.c (cpp_options): If -o given, use it as the target of
11725 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11727 * arm.c (arm_arch5e): New variable.
11728 (all_cores): XScale is a 5TE device.
11729 (arm_override_options): Set arm_arch5e.
11730 (arm_init_builtins): __builtin_prefetch is in arch5e.
11731 * arm.h (arm_arch5e): Declare it.
11733 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11735 * arm.md (define_constants): Add defines for UNSPEC and
11736 UNSPEC_VOLATILE insns. Update all users.
11737 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11738 * arm.c (multi_register_push, note_invalid_constants)
11739 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11740 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11741 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11743 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11745 * jump.c (jump_optimize_1): Use reversed_comparison_code
11746 instead of can_reverse_comparison_p.
11747 (jump_back_p): Likewise.
11748 (invert_exp_1): Likewise.
11749 (thread_jumps): Likewise.
11750 * simplify-rtx.c (simplify_unary_operation): Likewise.
11751 (simplify_ternary_operation): Likewise.
11752 * cse.c (find_comparison_args): Convert to use
11753 can_reverse_comparison_p.
11754 (record_jump_equiv): Likewise.
11756 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11758 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11759 (EPILOGUE_USES): Define.
11760 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11761 automatically stack the LR if it isn't live.
11763 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11765 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11768 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11770 * ggc-page.c (max_alignment): New structure.
11771 (MAX_ALIGNMENT): New macro.
11772 (init_ggc): Use it to round up the sizes in the
11773 extra_order_size_table.
11775 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11777 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11780 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11782 * builtins.def (BUILT_IN_FPRINTF): New entry.
11784 * c-common.c (c_expand_builtin_fprintf): New function.
11785 (init_function_format_info): Handle __builtin_fprintf.
11786 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11787 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11789 * c-decl.c (duplicate_decls): Adjust comment.
11791 * extend.texi (fprintf): Document new builtin.
11793 2001-01-07 Richard Henderson <rth@redhat.com>
11795 * jump.c (simplejump_p): Recognize any single_set jump
11796 of the proper form.
11798 2001-01-07 Richard Henderson <rth@redhat.com>
11800 * configure.in (slibdir): Accept an --with-slibdir option.
11801 Use "test" not "[" in configure. Default to $(libdir).
11803 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11805 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11806 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11807 (SHLIB_LINK): Create links for the soname.
11808 * config/mips/t-iris6: Likewise.
11809 * config/sparc/t-slibgcc: Likewise.
11810 * config/sparc/t-slibgcc-sld: Likewise.
11812 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11814 * config/i386/i386.c (constant_call_address_operand): Accept
11815 (const (plus (symbol_ref) (const_int))).
11816 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11817 constant_call_address_operand.
11819 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11821 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11822 and LONG_LONG_TYPE_SIZE > 32.
11824 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11826 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11827 the previous change.
11829 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11831 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11833 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11834 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11835 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11838 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11840 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11842 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11844 * c-lang.c (c_post_options): Call cpp_post_options.
11845 * objc/objc-act.c (objc_post_options): Similarly.
11846 * cppmain.c (main): Similarly.
11847 * fix-header.c (read_scan_file): Similarly.
11848 * cppinit.c (cpp_start_read): Move option consistency checks
11849 to cpp_post_options. Don't call init_dependency_output.
11850 If needed, add default target and main file dependency.
11851 (OPT_MD, OPT_MMD): Remove.
11853 (cpp_handle_option): Update for OPT_* changes.
11854 (cpp_post_options): New.
11855 (init_dependency_output): Command line -MF overrides environment
11856 variables. Don't set default target etc. Suppress output
11857 if dependencies are going to stdout.
11858 (print_help): Update.
11859 * cpplib.h (cpp_post_options): New.
11860 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11862 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11864 * jump.c (comparison_dominates_p): Support unordered compares.
11866 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11868 * simplify-rtx.c (simplify_relational_operation): Always simplify
11869 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11872 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11874 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11875 (nonzero_bits): Likewise.
11876 (simplify_comparison): Likewise.
11877 (num_sign_bit_copies): Likewise; return more sane value depending
11878 on STORE_FLAG_VALUE.
11879 (known_cond): Do not assume EQ to be always true for equivalent
11882 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11884 * cse.c (fold_rtx): Handle unordered comparisons.
11886 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11888 * rtlanal.c (set_of_1): New static function.
11889 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11890 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11891 reg_set_last_last_regno): Remove.
11892 (set_of): New global function.
11893 (set_of_data): New structure.
11894 (reg_set_p, reg_set_last): Revamp for set_of.
11895 * rtl.h (set_of): New.
11897 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11899 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11900 * extend.texi: Document _Exit builtin.
11902 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11904 * (initialize, initialize_builtins,
11905 initialize_dependency_output, initialize_standard_includes):
11906 Rename s/initialize/init. Update.
11907 (init_dependency_output): Move to after
11908 cpp_handle_options, the correct location temporally at least.
11909 (opt_comp): Move next to init (), its caller. Fix prototype.
11910 (init): Make "initialized" local scope.
11911 (cpp_create_reader): Always call init ().
11912 (cpp_start_read): Update.
11913 (output_deps): New function, broken out of cpp_finish.
11914 (cpp_finish): Break out output_deps.
11916 2001-01-07 Richard Henderson <rth@redhat.com>
11918 * collect2.c (COFF specific stuff): Revert 12-06 patch
11919 to prototype system functions.
11921 2001-01-07 Michael Hayes <mhayes@redhat.com>
11923 * hard-reg-set.h: Add multiple include guard.
11924 * basic-block.h (struct loop): Add `sink' field.
11925 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11926 (emit_iv_add_mult): Delete.
11927 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11928 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11929 (unroll_loop): Remove end_insert_before argument.
11930 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11931 (maybe_eliminate_biv_1): Likewise.
11932 (emit_iv_add_mult): Delete.
11933 (gen_add_mult, loop_regs_update): New.
11934 (loop_insn_emit_after, loop_insn_emit_before): New.
11935 (loop_insn_sink, loop_insn_sink_or_swim): New.
11936 (emit_iv_add_mult): Delete.
11937 (scan_loop): Set loop->sink.
11938 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11939 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11940 (maybe_eliminate_biv_1): Likewise.
11941 (maybe_eliminate_biv_1): Add basic block argument.
11942 * unroll.c (unroll_loop): Remove end_insert_before argument.
11943 (find_splittable_regs): Likewise.
11944 (find_splittable_regs): Use loop_insn_sink and its ilk.
11945 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11947 2001-01-07 Michael Hayes <mhayes@redhat.com>
11949 * loop.h (loop_insn_hoist): New prototype.
11950 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11951 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11952 (check_dbra_loop, load_mems): Likewise.
11953 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11954 (find_splittable_givs): Likewise.
11956 2001-01-07 Michael Hayes <mhayes@redhat.com>
11958 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11960 2001-01-07 Richard Henderson <rth@redhat.com>
11962 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11964 2001-01-07 Richard Henderson <rth@redhat.com>
11966 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11967 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11968 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11969 variant that handles a shared libgcc.
11970 (process_command): Always validate -{static,shared}-libgcc.
11971 (do_spec_1): New 'M' case.
11972 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11974 2001-01-07 Richard Henderson <rth@redhat.com>
11976 * Makefile.in (slibdir): New variable.
11977 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11978 (installdirs): Create slibdir.
11979 (install-libgcc, install-multilib): Defer to libgcc.mk.
11980 * configure.in (slibdir): Substitute.
11981 * mklibgcc.in (install): New target.
11983 * config/t-linux (SHLIB_LINK): Create links for the soname.
11984 (SHLIB_INSTALL): New.
11985 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11986 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11987 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11988 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11989 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11991 2001-01-07 Richard Henderson <rth@redhat.com>
11993 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11994 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11995 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11997 2001-01-07 Michael Hayes <mhayes@redhat.com>
11999 * loop.c (count_loop_regs_set): Delete.
12000 (load_mems_and_recount_loop_regs_set): Delete.
12001 (loop_regs_scan): Merge common code from count_loop_regs_set,
12002 scan_loop, and load_mems_and_recount_loop_regs_set.
12003 (scan_loop): Call load_mems directly and loop_regs_scan
12004 again if new registers created.
12006 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12008 * toplev.c (main): Call the front-end specific post_options
12009 hook if one is given.
12010 * toplev.h (struct_lang_hooks, lang_hooks): New.
12011 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12012 for the C front end.
12013 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12014 lang_hooks for the C++ front end.
12015 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12016 lang_hooks for the ObjC front end.
12017 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12018 * java/lang.c (lang_hooks): Hooks for the Java front end.
12020 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12022 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12023 for verbose DWARF[2] debugging.
12024 (cb_define, cb_undef): The new callbacks.
12025 * toplev.h (debug_define, debug_undef): Make const correct.
12026 * toplev.c (debug_define, debug_undef): Similarly. Do not
12027 perform the verbosity tests here anymore.
12029 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12031 * reload.c (subst_reloads): Take INSN argument. When
12032 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12033 * reload.h (subst_reloads): Adjust prototype.
12034 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12035 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12036 present in JUMP_INSNs and copy them to JUMP_LABEL.
12037 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12038 JUMP_INSNs and insns with REG_LABELs that are followed by
12039 JUMP_INSNs with the same REG_LABEL.
12040 * sched-rgn.c (is_cfg_nonregular): Likewise.
12041 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12043 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12045 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12047 2001-01-06 Richard Henderson <rth@redhat.com>
12049 * loop.c (scan_loop): Use xcalloc for the regs array.
12050 (load_mems_and_recount_loop_regs_set): Zero the new memory
12051 received from xrealloc.
12053 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12055 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12057 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12059 * integrate.c (copy_rtx_and_substitute): When copying
12060 an ignored return value, strip REG_FUNCTION_VALUE_P.
12062 2001-01-06 Michael Hayes <mhayes@redhat.com>
12064 * loop.c (debug_biv, debug_giv): New.
12065 (loop_biv_dump): Break out from ...
12066 (record_biv): ... here.
12067 (loop_giv_dump): Break out from ...
12068 (record_giv): ... here.
12069 (loop_bivs_check): Use print_simple_rtl.
12070 * unroll.c (loop_iterations): Use print_simple_rtl.
12072 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12074 * pa.md (return, return_internal): Modify patterns to prevent regrename
12075 mucking with the return pointer.
12077 2001-01-05 Richard Henderson <rth@redhat.com>
12079 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12081 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12083 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12084 version supplied by Matteo Frigo.
12086 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12088 * cpp.texi: Update for -MQ.
12089 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12090 (cpp_cleanup): Always free pfile->deps.
12091 (initialize_dependency_output): Don't create pfile->deps.
12092 (cpp_handle_option): Similarly.
12094 * gcc.c (cpp_options): Handle -MQ.
12095 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12096 * mkdeps.c (base_name): Remove.
12097 (deps_init): Don't allocate vector space until it's needed.
12098 (deps_free): Only free vectors if allocated.
12099 (deps_add_target, deps_add_dep): Update for initial allocation.
12100 (deps_add_default_target): Don't strip to the base_name.
12102 2001-01-05 DJ Delorie <dj@redhat.com>
12104 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12105 (INIT_EXPANDERS): Define.
12107 * config/v850/v850.c (struct machine_function): Define.
12108 (v850_save_machine_status): New function.
12109 (v850_restore_machine_status): New function.
12110 (v850_return_addr): New function.
12111 (v850_init_expanders): New function.
12113 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12114 and v850_init_expanders.
12116 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12118 * cpplib.h (struct cpp_reader): Add help_only field.
12119 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12120 (cpp_handle_option): Set pfile->help_only if we see -h,
12121 --help, -target-help, or --version. Print version string but
12122 do not set help_only if we see -v or -version. Make text
12123 printed by -v match that printed by (-)-version.
12125 * cppmain.c (main): Exit after option parsing if
12126 pfile->help_only is true.
12128 * toplev.c (independent_decode_option): Call print_version,
12129 then exit, if we see --version (but not -version).
12130 (print_version): Split lengthy message into two lines.
12132 2001-01-05 Nick Clifton <nickc@redhat.com>
12134 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12135 temporary string for initialisation before calling ggc_alloc_string.
12137 2001-01-06 Michael Hayes <mhayes@redhat.com>
12139 * rtl.h (print_simple_rtl): New.
12140 * print-rtl.c (print_simple_rtl): New.
12141 (flag_simple): New.
12142 (print_rtx): Disable printing of flags and modes, etc.,
12143 if `flag_simple` nonzero.
12145 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12147 * function.c (fixup_var_refs): Use push_to_full_sequence where
12150 2001-01-05 Michael Meissner <meissner@redhat.com>
12152 * flags.h (flag_reorder_blocks): Add declaration.
12153 (flag_rename_block): Ditto.
12155 2001-01-05 DJ Delorie <dj@redhat.com>
12157 * function.c (reorder_blocks): Make sure the flags are all reset
12158 before using them to mark blocks, else a second invocation will
12159 corrupt the block chain.
12160 (reorder_blocks_0): New, resets the flags.
12162 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12164 * cse.c (find_comparison_args): Stop if the argument is known to
12167 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12169 * config/sh/sh.md (movdf): When splitting load into pair of
12170 registers, don't clobber the register used in the address too
12173 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12175 * varasm.c (mark_constant_pool): Improve initial comments.
12176 (mark_constants): Move marking of constants to mark_constant.
12177 (mark_constant): New function to recursively mark all constants
12178 referred to by a constant.
12180 2001-01-05 Catherine Moore <clm@redhat.com>
12182 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12184 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12186 * cp/lang-options.h: Bring comment in line with reality.
12187 * f/lang-options.h: Likewise.
12188 * java/lang-options.h: Likewise.
12189 * objc/lang-options.h: Likewise.
12190 * ch/lang-options.h: Likewise.
12191 * f/g77.texi: And update the manual.
12193 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12194 Denis Chertykov <denisc@overta.ru>
12196 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12197 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12198 * config/avr/avr.md (all peepholes that request a scratch register):
12199 Call it, FAIL the peephole if not safe (in interrupt functions).
12201 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12203 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12205 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12207 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12209 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12210 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12211 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12212 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12213 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12215 * extend.texi: Document these builtins.
12217 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12219 * c-common.c (lang_get_alias_set): Say we know nothing of
12220 VECTOR_TYPE aliasing.
12222 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12224 2001-01-05 Bruce Korb <bkorb@gnu.org>
12226 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12227 their x* equivalent versions for atexit-less systems
12228 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12229 systems (or any other system any more).
12231 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12233 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12234 output operands. Use arm_hard_register_operand for operand 4.
12235 (stmsi_postinc): Similarly.
12236 (ldmsi): Use arm_hard_register_operand for opernand 2.
12237 (stmsi): Similarly.
12238 * arm.c (arm_hard_register_operand): New function.
12239 * arm-protos.h (arm_hard_register_operand): Prototype it.
12241 * arm.h (HARD_REGNO_RENAME_OK): Define.
12243 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12245 * simplify-rtx.c (cfc_args): add "unordered" field.
12246 (check_fold_consts): Set unordered field.
12247 (simplify_relational_operation): Simplify the unordered
12250 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12253 * emit-rtl.c (try_split): Fix code to mark labels.
12254 * jump.c (mark_jump_label): Make global.
12255 * rtl.h (mark_jump_label): Declare.
12257 * predict.c (estimate_probability): Handle unordred comparisons.
12259 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12261 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12262 * cppinit.c (initialize_dependency_output): Update.
12263 (cpp_finish): Output dummy targets for -MP.
12265 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12266 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12267 * gcc.c (cpp_options): Update to handle -MP.
12268 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12269 to quote only the default target.
12270 (deps_phony_targets): Insert a preceding newline. Rename from
12271 deps_dummy_targets for consistency.
12274 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12276 * calls.c (emit_library_call_value_1): Support
12277 INIT_CUMULATIVE_LIBCALL_ARGS.
12278 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12280 2001-01-04 Richard Henderson <rth@redhat.com>
12282 * c-decl.c (finish_struct): Detect flexible array members
12283 used in an inappropriate context.
12284 * c-typeck.c (really_start_incremental_init): Special case
12285 constructor_max_index for zero length arrays.
12286 (pop_init_level): Allow initialization of flexible array
12287 members. Deprecate initialization of zero length arrays.
12288 Don't issue missing initializer warning for flexible array
12289 members or zero length arrays.
12290 (process_init_element): Don't dereference null DECL_SIZE.
12291 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12292 Don't abort for empty constructors. Use size_binop
12293 (output_constructor): Add commentary regarding zero length
12294 array futures. Abort if we try to initialize an array of
12295 unspecified length with a non-empty constructor in the middle
12298 * extend.texi (Zero Length): Update and clarify documentation
12299 on static initialization.
12301 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12303 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12304 with more than 32767 words of local storage.
12306 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12308 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12309 for 'abs', 'labs', and 'fabs'.
12310 (c4x_expand_builtin): Likewise.
12311 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12313 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12315 * config/sh/sh.md (prget, prset): New insn types.
12316 (return delay slot): Dont' allow prset.
12317 (call, sfunc delay slot): Don't allow prget.
12318 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12319 for prset and prget.
12321 2001-01-05 Michael Hayes <mhayes@redhat.com>
12323 * loop.h (struct loop_reg): New.
12324 (struct loop_regs): Change to use array of `struct loop_reg'.
12325 * loop.c: Replace assortment of varrays with single regs array.
12326 (count_one_set): Delete may_not_move array argument
12327 and use regs array instead. All caller's changed.
12328 (count_loop_regs_set): Delete may_not_move and single_usage
12329 arguments and use regs array instead. All caller's changed.
12330 (find_single_use_in_loop): Replace usage array argument with pointer
12331 to regs structure. All caller's changed.
12332 (loop_optimize): Delete `moved_once' array.
12334 2001-01-05 Michael Hayes <mhayes@redhat.com>
12336 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12337 Use it instead of loop_info->has_call for scanning loop mems.
12338 (check_dbra_loop): Replace loop_info->has_call test with
12339 loop_info->has_nonconst_call.
12341 2000-01-04 Matthew Hiller <hiller@redhat.com>
12343 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12346 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12348 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12349 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12351 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12353 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12354 (flag_short_double, flag_short_wchar): Define.
12355 (c_common_nodes_and_builtins): Create many tree nodes shared
12356 between C and C++ here instead of in cp/decl.c and ...
12357 * c-decl.c (init_decl_processing): ... here.
12358 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12359 (flag_short_double, flag_short_wchar): Don't define.
12360 (record_builtin_type): New function.
12361 (build_void_list_node): New function.
12362 * c-common.h (flag_short_double, flag_short_wchar,
12363 record_builtin_type, build_void_list_node): Declare.
12365 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12367 * integrate.c (expand_inline_function): Don't put a virtual
12368 register into the reg map.
12370 * function.c (fixup_var_refs_1): If force_operand didn't put
12371 the address into the target, move it there.
12373 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12375 Special-case tree_decl/tree_list allocations.
12376 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12377 (OBJECT_SIZE): New macro.
12378 (NUM_EXTRA_ORDER): Likewise.
12379 (extra_order_size_table): New variable.
12380 (NUM_ORDERS): New macro.
12381 (objects_per_page_table): New variable.
12382 (object_size_table): New variable.
12383 (G.pages): Use NUM_ORDERS to bound the array.
12384 (G.page_tails): Likewise.
12385 (DIV_ROUND_UP): Remove.
12386 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12387 (alloc_page): Use OBJECT_SIZE.
12388 (size_lookup): Don't make it const.
12389 (ggc_alloc): Use OBJECT_SIZE.
12390 (ggc_set_mark): Likewise.
12391 (ggc_get_size): Likewise.
12392 (init_ggc): Set up the object_size_table, objects_per_page_table,
12393 and adjust size_lookup.
12394 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12395 (ggc_pop_context): Use NUM_ORDERS.
12396 (clear_marks): Likewise.
12397 (sweep_pages): Likewise.
12398 (poison_pages): Likewise.
12399 (ggc_print_statistics): Use OBJECT_SIZE.
12401 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12403 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12404 Only call array_size_for_constructor if last field and array type
12405 with no upper bound.
12407 2001-01-04 Philip Blundell <philb@gnu.org>
12409 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12410 from bit 31 downwards, if this requires no more insns.
12411 (count_insns_for_constant): New helper function for above.
12413 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12415 * gencodes.c (output_predicate_decls): Remove empty initializer.
12417 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12419 * tree.c (copy_node): Remove documentation about obstacks.
12420 (buidl1): Check that nobody tries to build 2-argument nodes this
12423 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12425 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12428 * gencodes.c (output_predicate_decls): Fill empty initializer
12431 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12433 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12434 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12436 (do_include): Handle missing headers like cpp0.
12437 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12438 paths with first include pathname. Don't strcat to uninitialized
12441 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12443 * regrename.c (regrename_optimize): Don't rename from frame pointer
12444 if frame_pointer_needed.
12445 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12446 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12447 (ia64_reorg): Use it instead of scheduling if ! optimize.
12448 (errata_emit_nops): Properly call asm_noperands.
12449 (ia64_sched_reorder): Finish cycle if we see an asm.
12450 (ia64_variable_issue): Clear scheduling state after asms.
12452 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12454 * cpp.texi: Update for -MT.
12455 * cppinit.c (initialize_dependency_output): Add a default
12456 target if none has been given already.
12457 (no_tgt, OPT_MT): New.
12458 (cpp_handle_option): Handle -MT. Update -M etc.
12459 * cpplib.h (struct cpp_options): Remove deps_target.
12460 * gcc.c (cpp_options): Handle -MT.
12461 * mkdeps.c (struct deps): Move from mkdeps.h.
12462 (deps_calc_target): Rename deps_add_default_target. Add a
12463 default target if none has been specified already.
12464 * mkdeps.h (struct deps): Move to mkdeps.c.
12465 (deps_calc_target): Rename deps_add_default_target.
12467 2000-01-03 Richard Henderson <rth@redhat.com>
12469 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12471 * c-typeck.c (push_init_level): Move checks for flexible array
12472 members and zero length arrays ...
12473 (pop_init_level): ... here. Silently discard empty initializations.
12475 * varasm.c (output_constructor): Update for sizeof change to
12476 zero-length arrays.
12478 * extend.texi (Zero Length): Clarify semantics.
12480 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12482 * configure.in (tm.h): Include isns-codes.h last.
12483 * configure: Rebuilt.
12485 2001-01-03 Richard Henderson <rth@redhat.com>
12487 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12488 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12490 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12492 * tradcpp.c (main): Make sure finclude() is called with a valid
12493 indepth value while handling -include.
12495 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12497 * gencodes.c (output_predicate_decls): New function.
12499 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12500 even if it is not the first time machmode.h is #included.
12501 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12502 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12503 * gcc.texi (Copyright): Added 2001.
12505 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12507 * c-common.c (c_common_lang_init): New function. Warn if format
12508 warning options which only have effects when used with -Wformat
12509 are used without -Wformat.
12510 * c-common.h (c_common_lang_init): Declare.
12511 * c-lang.c (lang_init): Call c_common_lang_init.
12512 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12514 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12516 * configure.in: Check for the mktemp command.
12517 * configure: Regenerate.
12518 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12519 $TEMP. Create temporary files with mktemp, if available at
12520 configure time; otherwise use set -C. Remove temporary files
12523 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12525 * configure.in: Require at least texinfo 4.0. Check for whether
12526 Pod::Man is sufficiently recent to regenerate GCC manpages.
12527 * configure: Regenerate.
12528 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12530 (GENERATED_MANPAGES): Define.
12531 (generated-manpages): New target. Depend on cpp.1 as well as
12533 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12534 configure to generated-manpages or empty) rather than on the
12535 manpages directly. Remove execute permission from installed
12536 gcov.1 as well as cpp.1.
12537 * cpp.1, gcov.1: Regenerate.
12539 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12541 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12542 tree_low_cst. Allow using cmpstrsi in more cases.
12544 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12546 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12549 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12551 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12552 * Makefile.in (HOST_CFLAGS): Mention build-make.
12554 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12556 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12559 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12561 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12564 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12567 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12568 reg_base_value and reg_known_value arrays.
12569 (init_alias_analysis): Add more cases to detect known values.
12570 * sched-deps.c (deps_may_trap_p): New function.
12571 (sched_analyze_2): Use it.
12573 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12575 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12576 don't discard an ASHIFTRT if we're shifting in a wider mode.
12578 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12580 * toplev.c (rest_of_compilation): Don't print basic block information
12581 when CFG isn't up to date.
12583 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12585 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12586 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12587 (UNALIGNED_SHORT_ASM_OP): Define.
12588 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12590 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12592 * fold-const.c (fold_convert): Fix typo.
12594 2001-01-02 Richard Henderson <rth@redhat.com>
12596 * c-common.h (ASM_INPUT_P): New.
12597 * c-parse.in (asm): Set it when needed.
12598 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12599 existance of an operand.
12601 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12603 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12604 (dwarf2out_frame_debug_expr): Likewise.
12605 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12607 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12609 * i386.c (ix86_split_to_parts): Return number of part required;
12611 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12613 (ix86_split_long_move): Use number of part returned
12614 by ix86_split_to_parts
12615 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12617 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12618 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12619 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12620 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12621 (ALIGN_MODE_128): Add TFmode.
12622 (IS_STACK_MODE): Likewise.
12623 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12624 (HARD_REGNO_OK): Support TFmodes.
12625 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12626 * i386.md (scheduler definitions): Use memory operand to determine
12627 fst/fld instructions; use mode attribute to determine real mode of
12629 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12630 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12632 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12634 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12636 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12638 * expr.c (store_constructor_field): Update ALIGN before calling
12641 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12643 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12646 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12648 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12651 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12653 * c-decl.c (start_function): Don't warn on third parameter to main.
12655 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12657 * tsystem.h: Define HAVE_DECL_GETOPT.
12659 2001-01-02 Philip Blundell <pb@futuretv.com>
12661 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12664 2001-01-02 Richard Henderson <rth@redhat.com>
12666 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12668 2001-01-02 Andreas Jaeger <aj@suse.de>
12670 * c-decl.c (c_decode_option): Remove support of
12671 -Wmissing-noreturn.
12673 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12674 (W_options): Add -Wmissing-noreturn here.
12676 * flow.c: Define lang_missing_noreturn_ok_p.
12677 (check_function_return_warnings): Use it.
12679 * c-common.h: Declare lang_missing_noreturn_ok_p.
12681 * c-lang.c (c_missing_noreturn_ok_p): New function.
12682 (lang_init): Set lang_missing_noreturn_ok_p.
12684 * invoke.texi (Warning Options): Document this.
12686 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12688 * extend.texi (C++ Extensions): New node for C++ attributes;
12689 describe init_priority and com_interface.
12690 * invoke.texi: Remove -finit-priority as it now has zero effect.
12691 * install.texi: Fix xref syntax.
12692 * md.texi: Likewise.
12694 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12696 * config.gcc (sparc64-wrs-vxworks*): New case.
12697 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12699 * config/sparc/sparc.c (sparc_override_options): Do support different
12700 pointer and architecture size.
12701 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12702 (POINTERS_EXTEND_UNSIGNED): Define.
12703 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12704 (FUNCTION_MODE): Define to be Pmode.
12705 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12707 * function.c (expand_function_end): Properly handle DECL_RESULT
12708 and copy when ptr_mode != Pmode.
12709 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12711 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12713 * c-common.c (c_common_nodes_and_builtins): Set prototype
12714 parameters for __builtin_fputs, __builtin_fputc and
12715 __builtin_fwrite. Don't declare plain fputc as a builtin.
12717 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12719 * loop.c (add_label_notes): Increment the label usage count when
12720 a note is added to an insn which refers to a CODE_LABEL.
12721 * gcse.c (add_label_notes): Likewise.
12723 2001-01-01 Andreas Jaeger <aj@suse.de>
12725 * loop.c (scan_loop): Use xmalloc to allocate movables.
12727 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12729 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12730 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12731 * reload1.c (REGISTER_MOVE_COST): Likewise.
12732 * regclass.c (REGISTER_MOVE_COST): Likewise.
12733 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12734 dimension. Adjust all users.
12735 (init_reg_sets_1): Iterate on all modes.
12736 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12737 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12738 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12739 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12740 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12741 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12742 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12743 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12744 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12745 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12746 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12747 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12748 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12749 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12750 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12751 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12752 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12753 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12754 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12755 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12756 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12757 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12758 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12759 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12760 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12761 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12762 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12764 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12766 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12767 arg VARIES_P. Call it with extra arg.
12768 (true_dependence): Likewise.
12769 * rtl.h (rtx_addr_can_trap_p): Declare.
12770 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12772 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12773 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12774 pic offset table register if it's zero. All callers changed.
12775 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12777 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12779 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12780 STRING_POOL_ADDRESS_P.
12782 * config/sparc/sparc.c (input_operand): Properly test for short op.
12784 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12785 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12786 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12787 * config/sparc/elf.h: No longer include sol2.h.
12788 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12789 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12791 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12793 2001-01-01 Michael Hayes <mhayes@redhat.com>
12795 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12796 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12797 (record_initial): Likewise.
12798 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12799 (remap_split_bivs): Likewise.
12801 2001-01-01 Michael Hayes <mhayes@redhat.com>
12803 * loop.c (loop_ivs_free): New function.
12804 (strength_reduce): Break out from...
12806 2001-01-01 Michael Hayes <mhayes@redhat.com>
12808 * loop.h (struct iv): New.
12809 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12810 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12811 'reg_biv_class' fields with 'regs' and 'n_regs'.
12812 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12813 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12814 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12816 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12818 * resource.c (mark_referenced_resources): Abort() before
12819 attempting to mark a pseudo register.
12820 (mark_set_resources): Likewise.
12822 2001-01-01 Michael Hayes <mhayes@redhat.com>
12824 * loop.h (REG_IV_CLASS): New accessor macro.
12825 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12826 * unroll.c (REG_IV_CLASS): Likewise.
12828 See ChangeLog.4 for earlier changes.