1 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
3 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
6 2001-06-10 Richard Henderson <rth@redhat.com>
8 * ifcvt.c (life_data_ok): New.
9 (merge_if_block): Use it to determine whether to update
13 2001-06-10 Richard Henderson <rth@redhat.com>
15 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
17 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
19 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
20 (SH Options): Document -mieee.
21 * doc/install.texi (Final install): Remove obsolete information
22 about installing cross compilers.
25 2001-06-10 Richard Henderson <rth@redhat.com>
27 * config/alpha/alpha.c (override_options): Set align_loops,
28 align_jumps, and align_functions.
29 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
30 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
32 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
34 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
35 are one and two words in size.
37 2001-06-10 Richard Henderson <rth@redhat.com>
39 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
40 (Code Generation Options): Document -fnon-call-exceptions.
42 2001-06-10 Mark Kettenis <kettenis@gnu.org>
44 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
46 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
48 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
50 2001-06-10 Mark Mitchell <mark@codesourcery.com>
51 Gabriel Dos Reis <gdr@codesourcery.com>
53 * Makefile.in (c-parse.o): Depend on diagnostic.h
54 (dwarf2out.o): Likewise.
56 * dwarf2out.c: #include diagnostic.h
58 * toplev.h (warningcount, errorcount, sorrycount): Remove
61 * toplev.c (warningcount, errorcount, sorrycount): Remove
64 * diagnostic.h (struct output_buffer): Reorder fields.
65 (diagnostic_kind_count): New macro.
66 (errorcount, warningcount, sorrycount): Define as macros.
67 (diagnostic_report_warnings_p): New macro.
68 (output_state): Add diagnostic_count field.
70 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
71 Remove tentative declaration.
72 (count_error): Use diagnostic_report_warnings_p.
74 * c-parse.in: #include diagnostic.h
76 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
78 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
79 prefer a memory for operand 1.
80 ("*addsi3"): Fix constraints, the '!' was too strong.
81 ("*addsi3_split"): Accept soft register and split accordingly.
83 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
85 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
86 Move definition in the RTX_CODE section.
88 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
90 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
91 address as relative to the argument pointer.
93 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
95 * predict.def (PRED_OPCODE): Place before call and error_return.
97 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
99 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
100 * predict.c (estimate_probability): Calculate dominance
101 information; improve detection of NORETURN heuristics;
102 add call/error_return heuiristics; tweak comparison heuristics
105 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
107 * doc/invoke.texi (C Dialect Options): Document -aux-info.
108 (Debugging Options): Document -print-multi-directory and
110 * doc/gcc.1: Rebuilt.
112 * toplev.c (independent_decode_option): Require `=' between
113 `-aux-info' and filename in the same argument.
114 * gcc.c: Don't pass -aux-info=filename twice.
116 2001-06-09 Mark Mitchell <mark@codesourcery.com>
118 * expr.c (expand_expr, case ARRAY_REF): Do not replace
119 an array element with the known initializing value if it has
122 * toplev.c (rest_of_compilation): Remove dead code before
125 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
127 * cppinit.c (print_help): Document -fpreprocessed.
128 * invoke.texi: Similarly.
130 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
132 * predict.def: New file.
133 * predict.h: New file.
134 * predict.c: Include predict.h.
135 (predictor_info): New structure and array.
136 (predict_edge, predict_insn): Rewrite; make global.
137 (predict_edge_def, predict_insn_def): New global functions.
138 (dump_prediction, combine_predictions_for_insns): New
140 (estimate_probability): Change calls to predict_edge
141 to predict_edge_def and calls to predict_insn to predict_insn_def;
142 combine probabilities.
143 (expected_value_to_br_prob): Behave as predictor.
144 * rtl.h (REG_BR_PRED): Update coment.
145 (invert_br_probabilities): New.
146 * jump.c: Include predict.h
147 (duplicate_loop_exit_test): Drop branch prediction notes.
148 (invert_jump): Use invert_br_probabilities.
149 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
150 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
151 * combine.c (distribute_notes): Handle BR_PRED.
153 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
155 * predict.c (predict_insn, predict_edge): New static functions.
156 (estimate_probability): Revamp to use new functions;
157 fix loop header heruistics; add loop exist heruistics
159 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
161 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
163 2001-06-09 Peter Jakubek <pjak@snafu.de>
165 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
167 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
169 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
170 for integer operations that don't update C bit.
172 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
174 * gthr-posix.h (__gthread_objc_init_thread_system): If
175 pthread_key_create fails, it's not clear what the return value is.
176 This obvious fix makes sure it always returns -1 if a problem
179 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
181 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
182 more index entries. Use more logical markup where appropriate.
183 Use TeX quotes and dashes.
185 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
187 * unwind-pe.h: Conditionally qualify references to abort with
190 2001-06-09 Julian Foad <julian_foad@hotmail.com>
192 * doc/invoke.texi: Remove superfluous text.
194 2001-06-08 Richard Henderson <rth@redhat.com>
196 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
197 (LIB_SPEC): Mirror config/linux.h version.
199 2001-06-08 Richard Henderson <rth@redhat.com>
201 * except.c (get_exception_pointer, get_exception_filter): Take a
202 struct function. Update all callers.
203 * except.h (get_exception_pointer): Update declaration.
204 * expr.c (expand_expr): Update get_exception_pointer call.
205 * integrate.c (expand_inline_function): Remap the exception pointer
206 from callee to caller.
208 2001-06-08 Mark Mitchell <mark@codesourcery.com>
210 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
211 accurately reflect its cv-qualification.
212 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
213 cv-qualifiers on function types.
215 2001-06-08 Mark Mitchell <mark@codesourcery.com>
217 * basic-block.h: Improve comments.
218 * except.c (expand_eh_region_end_allowed): Remove redundant call
219 to do_pending_stack_adjust.
220 * flow.c (life_analysis): Fix typo in comment.
221 (calculate_global_regs_live): Add documentation.
222 (mark_set_1): Likewise.
223 (debug_regset): Likewise.
224 * doc/rtl.texi (cond_exec): Document it.
226 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
228 * i386.h (CONST_COSTS): set cost of constants representable in
229 immediate fields to 0.
231 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
233 * function.c (diddle_return_value): Kill code to determine
234 return value before expand_function_end.
235 (expand_function_end): Delay call to clobber_return_register
236 after fucntion return value is computed.
238 Re-install temporary reverted patch:
239 * toplev.c (rest_of_compilation): Call split_all_insns
240 before reg-stack and shorten-branches. Do shorten-branches
242 * final.c (shorten_branches): Remove insn splitting code.
244 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
246 * doc/gcc.texi, doc/invoke.texi: Add index of command line
247 options. Use @opindex to index them rather than other indexing
248 commands. Use @var{...} instead of <...>. Avoid spaces in names
249 inside @var. Don't use @kindex to index escape sequences in
252 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
254 * stmt.c (current_nesting_level): New fn.
255 * tree.h: Declare it.
256 * c-semantics.c (genrtl_compound_stmt): Use it.
258 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
260 2001-06-08 Jakub Jelinek <jakub@redhat.com>
262 * jump.c (mark_modified_reg): Allow jump threading if condition
263 codes are represented by a hard register.
265 2001-06-08 Jakub Jelinek <jakub@redhat.com>
267 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
268 for complex floats passed to unprototyped functions.
270 2001-06-08 Mark Mitchell <mark@codesourcery.com>
272 * except.c (expand_eh_region_end_allowed): Call
273 do_pending_stack_adjust as necessary.
275 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
277 * function.c (clobber_return_register): Clobber the pseudo return
280 * sibcall.c (skip_unreturned_value): New function.
281 (call_ends_block_p): Use it.
283 * recog.c (split_insn): Break out from ...
284 (split_all_insns): ... here; do not use basic block information
287 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
289 * simplify-rtx.c (simplify_subreg): Fix verification of
292 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
294 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
295 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
296 Move definition of _LANGUAGE_C_PLUS_PLUS ...
297 (CPLUSPLUS_CPP_SPEC): ... here.
298 Fixes PRs c++/3047, target/441.
300 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
302 * doc/install.texi2html (MAKEINFO): Keep value if set already.
304 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
306 * doc/gcc.texi: Add trailing slash to URL.
308 2001-06-07 Stan Shebs <shebs@apple.com>
310 * config/darwin.h (ENCODE_SECTION_INFO): Define.
311 (REDO_SECTION_INFO_P): Ditto.
312 (STRIP_NAME_ENCODING): Ditto.
313 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
314 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
315 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
316 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
317 * config/darwin.c: No longer include c-tree.h.
318 (machopic_classify_ident): Rewrite to use symbol encoding.
319 (lookup_name_darwin): Remove.
320 (machopic_non_lazy_ptr_name): Handle encoded symbols.
321 (machopic_stub_name): Use STRIP_NAME_ENCODING.
322 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
323 (machopic_finish): Ditto, remove test of decl.
324 (update_non_lazy_ptrs): New function.
325 (darwin_encode_section_info): New function.
326 * config/darwin-protos.h: Declare it.
327 * config/rs6000/rs6000.c (machopic_output_stub): Use
330 2001-06-07 Mark Mitchell <mark@codesourcery.com>
332 * tree.h (DECL_SOURCE_FILE): Improve documentation.
333 (DECL_SOURCE_LINE): Likewise.
335 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
337 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
340 2001-06-07 Phil Edwards <pme@sources.redhat.com>
342 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
343 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
345 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
347 * doc/contrib.texi: Add copyright notice.
349 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
351 * doc/md.texi: Use four digit years in copyright notice.
353 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
355 * config.gcc: For $target_alias of athlon-*, set
356 target_cpu_default2=5.
358 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
360 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
361 end of last block if last real insn is a JUMP_INSN.
363 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
367 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
369 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
370 pthread_t to objc_thread_t.
371 (__gthread_objc_thread_id): Likewise.
373 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
375 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
376 (ASM_OLDAS_SPEC): Likewise.
378 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
379 (CPP_SUBTARGET_SPEC): Use it.
380 (ASM_OLDAS_SPEC): Define.
382 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
384 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
386 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
389 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
391 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
392 Document use of N_(...), and show it in examples. Note that
393 documentation should be added to invoke.texi. Avoid an overfull
396 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
398 * toplev.c (rest_of_compilation): Revert previous patch.
399 * final.c (shorten_branches): Likewise.
401 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
403 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
406 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
408 * doc/install-old.texi: Remove more obsolete documentation.
410 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
412 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
414 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
416 * toplev.c (rest_of_compilation): Call split_all_insns
417 before reg-stack and shorten-branches. Do shorten-branches
419 * final.c (shorten_branches): Remove insn splitting code.
421 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
423 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
424 * configure: Rebuilt.
426 2001-06-07 Andreas Jaeger <aj@suse.de>
428 * emit-rtl.c (operand_subword): Remove unused variable.
430 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
432 * i386.md (floatdi?f): Avoid usinf of SSE instructions
433 if TARGET_64BIT is false.
434 (floatdi?f_i386_only): New insn.
435 (floatdi?f_i386): Disable for !TARGET_64BIT.
437 * (min?f, max?f splitters): Handle case where
438 operands are cross-matched.
440 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
441 (MMX_REGISTER_NAMES): Kill.
442 (PRINT_OPERAND): Fix comment.
443 (PRINT_REG): Likewise.
444 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
445 (print_operand): Update comment; kill 'm'.
447 * i386.c (x86_branch_hints): New global variable
448 (print_operand): Support outputting of branch prediction hints.
449 * i386.md (conditional jump patterns): Add branch prediction hints
451 * i386.h (x86_branch_hints): Declare
452 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
453 (PRINT_OPERAND_FUNCT_VALID_P): New.
454 * final.c (final_forward_branch_p): New function.
456 2001-06-06 Richard Henderson <rth@redhat.com>
458 * flow.c (mark_used_reg): Clean up looping over multiple hard
459 registers. Do conditional life bits across multiple hard regs.
461 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
463 * reload1.c (reload): Revert Schmidt's change so all USEs are not
464 deleted during reload.
466 2001-06-05 Mark Mitchell <mark@codesourcery.com>
468 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
469 functions here, instead of ...
470 * c-decl.c (c_expand_body): ... here.
472 2001-06-05 David O'Brien <obrien@FreeBSD.org>
474 * config.gcc, config/sparc/bsd.h: Do not directly include
475 sparc/sparc.h. Instead do it via tm_file.
477 2001-06-05 Richard Henderson <rth@redhat.com>
479 * dwarf2.h (DW_EH_PE_aligned): New.
480 * dwarf2asm.c (eh_data_format_name): Name it.
481 (dw2_asm_output_encoded_addr_rtx): Align for it.
482 * dwarf2out.c (output_call_frame_info): Handle it for personality
483 routine and LSDA pointers.
485 * unwind-pe.h (DW_EH_PE_aligned): New.
486 (base_of_encoded_value): Handle it.
487 (read_encoded_value_with_base): Likewise.
488 * unwind-dw2-fde.c (base_from_object): Likewise.
489 (get_cie_encoding): Likewise.
491 * config/alpha/elf.h: Remove ecoff commentary.
492 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
494 2001-06-05 David O'Brien <obrien@FreeBSD.org>
496 * config.gcc, config/i386/bsd386.h: Do not directly include
497 i386/386bsd.h. Instead do it via tm_file.
499 2001-06-05 David O'Brien <obrien@FreeBSD.org>
501 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
504 2001-06-05 Pascal Obry <obry@act-europe.fr>
506 * configure.in: Quote $enable_win32_registry in case the value has
510 2001-06-05 Mark Mitchell <mark@codesourcery.com>
512 * print-rtl.c (xspaces): Remove.
513 (print_rtx): Use printf field-width, rather than xpsaces, to
515 * toplev.c (main): Disable sibling-call optimization if we are
518 2001-06-05 Bernd Schmidt <bernds@redhat.com>
520 * reload1.c (reload): Delete all USEs generated during reload.
522 2001-06-05 scott snyder <snyder@fnal.gov>
524 * gccbug.in: Fix typo.
526 2001-06-05 Andreas Jaeger <aj@suse.de>
528 * builtins.def: Fix definition of __builtin_cosf, it uses float as
529 parameter and return value.
531 2001-06-04 Anthony Green <green@redhat.com>
533 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
534 machine. This is now done in sparc.h.
536 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
538 Correct CVS resurrection of invoke.texi.
539 * doc/invoke.texi: Document new tree dump flags.
541 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
543 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
544 for casting an aggregate to its own type. Fixes PR c/2735.
546 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
548 * doc/texinfo.tex: Update to version 2001-05-24.08.
550 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
552 * c-common.h (flag_dump_translation_unit): Remove.
553 (enum tree_dump_index): Define.
554 (TDF_ADDRESS, TDF_SLIM): New #defines.
555 (dump_node_to_file): Remove.
556 (dump_node): Make extern. Add flags.
557 (dump_flag, dump_enabled_p, dump_begin, dump_end,
558 dump_switch_p): Prototype.
559 * c-common.c (flag_dump_translation_unit): Remove.
560 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
561 logic. Use dump_switch_p.
562 * c-dump.h (struct dump_info): Add node and user fields.
563 (dump_pointer): Declare.
564 * c-dump.c (dump_node): Make extern. Add flags.
565 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
566 (dump_new_line, dump_maybe_newline): Use them.
567 (dump_pointer): New function.
568 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
569 chain or function's body. Dump address, if TDF_ADDRESS set.
571 (dump_node_to_file): Remove.
572 (struct dump_file_info): New struct.
573 (dump_files): New array.
574 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
575 * c-lang.c (finish_file): Adjust dumping.
576 * toplev.h (dump_base_name): Make extern.
577 * invoke.texi: Document new flags.
579 2001-06-04 Mark Mitchell <mark@codesourcery.com>
581 * c-tree.h (lang_decl): Add pending_sizes fields.
582 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
584 (c_expand_body): Expand them.
585 (lang_mark_tree): Mark lang_decl:pending_sizes.
586 * function.c (expand_pending_sizes): New function, broken out
588 (expand_function_start): ... here.
589 * tree.h (expand_pending_sizes): Declare it.
591 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
593 * doc/install.texi: Update FreeBSD information. Generalize
594 and update information for alpha-based platforms using ELF.
596 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
598 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
599 (store_parm_decls): Likewise.
600 * c-typeck.c (convert_arguments): Likewise.
602 2001-06-04 Richard Henderson <rth@redhat.com>
604 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
605 optimization if current_function_calls_setjmp.
607 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
609 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
612 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
614 * simplify-rtx.c (simplify_subreg): Fix combining of
617 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
619 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
620 (no_labels_between_p): Short circuit case beg==end.
622 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
624 * rtlanal.c (operand_preference): Fix preference for objects.
626 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
628 * gcse.c (handle_avail_expr): Be prepared to handle single_set
631 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
633 * combine.c (if_then_else_cond): Use simplify_subreg instead
635 * integreate.c (sub_constants): Likewise.
637 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
639 * emit-rtl.c (constant_subword): Deprecate; remove most of code
640 and use simplify_gen_subreg.
642 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
644 * sibcall.c (skip_copy_to_return_value): recognize the situation
645 when the called function's return value is copied into an
646 intermediate pseudo, and then into the calling functions return
649 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
651 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
652 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
653 in case register wasn't OK previously, accept it now; allow
654 subregs of frame pointer if reload completed and frame pointer
657 * combine.c (sombine_simplify_rtx): Fix comment;
658 use subreg_lowpart_offset instead of subreg_lowpart_p
659 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
660 * rtl.h (subreg_lowpart_parts_p): Kill.
661 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
662 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
663 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
664 (gen_lowpart_common): Likewise.
665 (subreg_lowpart_p): Likewise.
666 (subreg_lowpart_parts_p): Kill.
667 (subreg_lowpart_offset, subreg_highpart_offset): New function.
669 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
670 to simplify SUBREG and REG.
671 (gen_highpart): Use simplify_gen_subreg for all simplifications.
673 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
676 * rtlanal.c (replace_regs): Use simplify_gen_subreg
678 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
680 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
681 (ARRAY_RANGE_REF): Added description.
683 * tree.def (ARRAY_RANGE_REF): New code.
684 * alias.c (handled_component_p, can_address_p): Handle it.
685 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
686 * explow.c (set_mem_attributes): Likewise.
687 * expr.c (expand_assignment, get_inner_reference): Likewise.
688 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
689 * fold-const.c (operand_equal_p): Likewise.
690 * tree.c (staticp, stabilize_reference): Likewise.
691 * varasm.c (decode_addr_const): Likewise.
693 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
695 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
696 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
698 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
700 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
701 mark_constant_pool_use before output_addr_const.
702 (struct pool_node): New field wend.
703 (add_constant): Note a sequence of constants that are referenced
705 (pool_window_label, pool_window_last): New variables.
706 (dump_table): Emit a unspec_volatile representing the end of a
707 sequence of constants.
708 (mark_constant_pool_use): New function.
709 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
710 (consttable_2): Add the second operand which flags whether
711 this consttable entry was used or not.
712 (consttable_4, consttable_8, consttable_sf, consttable_df):
714 (consttable_window_end): New insn.
716 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
718 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
719 Reformat according to coding standards.
722 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
723 (shl_and_kind): Cast wide constant.
724 (gen_far_branch): Define as static, as in declaration.
725 (barrier_align): Compute cache-line length as unsigned. Add
726 parentheses in initial credit computation.
727 (rounded_frame_size): Add parentheses.
728 (permanent_obstack): Remove declaration. Include ggc.h for
729 declaration of ggc_add_root_rtx().
730 (get_free_reg): Removed declaration of unused variable reg.
731 (legitimize_pic_address): Mark mode argument as unused.
733 2001-06-03 Igor Shevlyakov <igor@windriver.com>
735 * config/sh/sh.c (output_branch): Support for insn with lenght
736 attr 12 & 16 which represents cond branches outside +-4096 range.
738 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
740 * config/sh/lib1funcs.asm (ic_invalidate): Align the
741 cache-mirroring sequence. Add nops.
743 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
745 * doc/install-old.texi: Remove more old installation
747 * doc/install.texi: Add relevant parts here.
749 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
751 * doc/install.texi2html: New script.
753 2001-06-03 David Edelsohn <edelsohn@gnu.org>
755 * doc/install.texi: Update AIX information again.
757 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
759 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
760 installation documentation.
761 * doc/install.texi: Move it to here.
763 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
765 * doc/install.texi: Clean up Texinfo markup.
767 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
769 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
770 to just after title page.
772 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
774 * doc/install-old.texi: Remove documentation of some configuration
776 * doc/install.texi: Add relevant parts of this documentation here.
778 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
780 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
781 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
783 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
785 * i386.md (all uses of ext_register_operand): Make sure they are
786 VOIDmode; replace all uses outside zero_extend.
787 (and?i splitters): Use ext_register_operands.
788 (test?i peep2): Remove ignored constraints.
789 * i386.c (ext_register_operand): Check that operand is
790 eighter pseudo or hard or 'Q' register.
792 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
794 * tree.h (struct record_layout_info_s): New field unpadded_align.
795 (set_lang_adjust_rli): New declaration.
796 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
797 it would have if not packed, do not downgrade DECL_ALIGN.
798 (lang_adjust_rli, set_lang_adjust_rli): New.
799 (start_record_layout): Initialize new field unpadded_align.
800 (debug_rli): Display it.
801 (place_union_field, place_field): Set it.
802 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
804 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
805 mean that; use proper names instead.
806 Print DECL_NO_STATIC_CHAIN.
808 * except.c (expand_builtin_frob_return_addr): Add missing call
809 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
810 (expand_builtin_eh_return): Likewise.
811 (expand_eh_return): Clean up ptr_mode != Pmode cases.
813 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
815 * doc/invoke.texi: Remove references to papers about sequence points
816 to readings.html, refer to that page.
818 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
820 * README: Update references to installation instructions.
822 2001-06-01 Laurent Guerby <guerby@acm.org>
823 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
825 * doc/install.texi: Define srcdir when sources come from CVS.
826 Significantly improve markup. Wrap overly long lines
828 2001-06-01 DJ Delorie <dj@redhat.com>
830 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
831 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
832 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
833 gcov.1: Move to doc subdirectory.
834 * install.texi: Move to doc/install-old.texi.
835 * gcc.texi: Move to doc, refer to install-old.texi.
836 * Makefile.in: Reflect move of docs to doc/.
837 * f/Make-lang.in: Ditto.
838 * java/Make-lang.in: Ditto.
839 * doc/.cvsignore: New.
841 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
843 * invoke.texi: use two spaces between command options, eliminate
844 some 'overfull hboxes'
846 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
848 * Makefile.in (s-mlib): Make backtick-commands always succeed.
849 (DRIVER_DEFINES): Ditto.
851 2001-05-31 Richard Henderson <rth@redhat.com>
853 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
854 also link against libgcc.a.
856 2001-05-31 Geoff Keating <geoffk@cygnus.com>
858 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
859 * config/mips/mips.c (mips_output_ascii): New function.
860 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
862 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
864 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
866 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
867 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
869 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
871 * install.texi (Configuration): Add html links for --with-gnu-as &
872 --with-gnu-ld and refer to them from hppa & SCO triplets.
873 (Specific): Link back to with-gnu-ld for all ELF platfoms.
874 (Specific): Reword AVR binutils recommendation.
876 2001-05-30 Zack Weinberg <zackw@stanford.edu>
878 * ggc-page.c (size_lookup): Increase minimum allocation size
880 (ggc_print_statistics): Report size of each bin in bytes, not
881 as its order; there is no longer a direct relationship.
883 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
885 * extend.texi: Fix formating of examples, eliminate some
887 * gcc.texi: Eliminate some 'overfull hboxes'.
888 * invoke.texi: Use two spaces between command options, eliminate
889 some 'overfull hboxes'.
891 2001-05-30 Richard Henderson <rth@redhat.com>
893 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
895 2001-05-30 Tom Tromey <tromey@redhat.com>
897 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
898 use it in the new association.
900 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
901 John David Anglin <dave@hiauly1.hia.nrc.ca>
903 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
904 to target type to allow ISO C++ compiler to accept it.
905 * gthr-dce.h (__gthread_active_ptr): Likewise.
906 * gthr-solaris.h (__gthread_active_ptr): Likewise.
908 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
910 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
911 so that we do accept comments in preprocessed input.
913 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
915 * cpphash.c (alloc_node): Cast allocated pointer.
917 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
919 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
921 2001-05-29 Stan Shebs <shebs@apple.com>
923 * gcc.texi: Add links for information about Objective-C.
925 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
927 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
928 /bin/sed fails on [^\"]).
929 (configargs.h): Likewise.
931 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
933 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
935 2001-05-28 Stan Shebs <shebs@apple.com>
937 * objc/objc.gperf: Remove, no longer used.
939 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
941 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
942 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
943 Remove trailing whitespace.
945 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
947 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
948 became http://freeware.sgi.com/.
950 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
952 * local-alloc.c (update_equiv_regs): Don't eliminate constant
955 2001-05-27 Stan Shebs <shebs@apple.com>
957 * objc/objc-act.c: Add/fix various comments.
958 (init_selector): Remove, no longer used.
959 (build_msg_pool_reference): Ditto.
962 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
964 * c-decl.c (init_decl_processing):
965 Don't call start_identifier_warnings.
966 * flags.h (warn_id_clash, id_clash_len): Remove.
967 * stringpool.c: Don't include flags.h.
968 (scan_for_clashes, do_identifier_warnings,
969 start_identifier_warnings): Remove.
970 * toplev.c (warn_id_clash, id_clash_len): Remove.
971 (display_help): Don't document -Wid-clash.
972 (decode_W_option): Print warning on -Wid-clash.
973 * tree.h (start_identifier_warnings): Remove.
974 * invoke.texi: Remove documentation of -Wid-clash.
976 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
978 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
980 2001-05-27 Bruce Korb <bkorb@gnu.org>
982 * fixinc/check.tpl(HACK) add and use a Scheme variable
983 (has no test text): error out if no "test_text" is defined
984 * fixinc/fixincl.tpl: likewise
985 (FIXIDX): make it an enumeration so we minimize diffs
986 * fixinc/inclhack.def: re-alphabetize and add sort instructions
987 * fixinc/fixincl.x: regenerate
988 * fixinc/tests/base/stdio.h: test output got moved due to
990 * README-fixinc: rewrite (mostly)
992 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
994 * cpplib.c (run_directive): Set pfile->directive.
996 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
998 * c-tree.texi: Reformat the manual as a single chapter now
999 included by gcc.texi.
1000 * gcc.texi: Include c-tree.texi. Merge all indexes.
1001 * Makefile.in (dvi): Add generation for the cppinternals
1002 documentation. Added dependencies on fdl.texi and c-tree.texi
1003 where appropriate. Use TEXI2DVI instead of custom tex calls.
1004 (info): Added dependencies on fdl.texi and c-tree.texi where
1005 appropriate. Remove the target c-tree.info.
1007 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1009 * combine.c (try_combine): Fix typo in comment.
1010 * expr.c (expand_expr): Likewise.
1011 * config/i370/i370.md (untyped_call): Likewise.
1013 2001-05-26 Bruce Korb <bkorb@gnu.org>
1015 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1016 when fixincl is operating in test mode
1017 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1018 (AAB_ultrix_limits): remove redundant text
1019 (AAB_ultrix_memory): ditto
1020 (AAB_ultrix_string): ditto
1021 (djgpp_wchar_h): fix the test text
1022 (irix_stdio_va_list): add test text
1023 (irix_limits_const): add a testing output file (limits.h is overwritten)
1024 (strict_ansi_not_ctd): put limits.h second in list for same reason
1025 (solaris27_mutex_init): test text needed selection text, too
1027 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1028 when fixincl is operating in test mode
1030 2001-05-26 Philip Blundell <philb@gnu.org>
1032 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1033 * config/i960/i960-protos.h: Likewise.
1034 * config/i370/i370-protos.h: Likewise.
1035 * config/h8300/h8300-protos.h: Likewise,
1036 * config/sh/sh-protos.h: Likewise.
1037 * config/v850/v850-protos.h: Likewise.
1039 2001-05-26 Philip Blundell <philb@gnu.org>
1041 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1043 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1045 * toplev.c (debug_args, f_options, W_options): Mark
1046 descriptions for translation.
1047 (display_help): Translate descriptions on output.
1049 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1050 objc/lang-options.h: Mark descriptions for translation.
1052 * aclocal.m4: Quote final argument of patsubst. Use
1053 3-argument form of AC_DEFINE. Restore quotes to [] while
1055 * configure.in: Remove unnecessary changequote calls.
1056 * configure, config.in: Regenerate.
1058 2001-05-25 Sam TH <sam@uchicago.edu>
1060 * basic-block.h: Fix header include guards.
1061 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1062 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1063 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1064 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1065 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1066 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1067 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1068 varray.h version.h: Likewise.
1069 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1070 config/arm/arm.h config/c4x/c4x-protos.h
1071 config/h8300/h8300-protos.h config/h8300/h8300.h
1072 config/i370/i370-protos.h config/i370/i370.h
1073 config/i960/i960-protos.h config/mcore/mcore.h
1074 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1075 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1076 * fixinc/fixlib.h fixinc/server.h: Likewise.
1078 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1080 * config/arc/initfini.c (.init): Fix typo.
1082 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1084 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1086 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1088 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1090 2001-05-25 Richard Henderson <rth@redhat.com>
1092 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1094 2001-05-25 Richard Henderson <rth@redhat.com>
1096 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1097 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1098 (sparc*-*-solaris2): Likewise.
1099 * config/t-linux: Remove shared libgcc macros.
1100 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1101 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1103 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1105 * config.gcc (*-*-freebsd*): Report bad configuration.
1107 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1109 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1111 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1113 (ASM_OUTPUT_LABELREF): Delete.
1115 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1117 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1118 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1119 * fixinc/fixincl.x: Regenerate.
1120 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1121 (FIX_TEST_TABLE): Declare it.
1122 * fixinc/fixlib.h: Include config.h.
1124 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1126 * fixinc/inclhack.def (alpha___assert): Change char * args to
1127 const char * on Tru64 UNIX to avoid excessive warnings from
1129 * fixinc/fixincl.x: Regenerate.
1131 2001-05-25 Geoff Keating <geoffk@redhat.com>
1133 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1134 outputting a tag only for variable-size records.
1136 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1138 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1139 instead of rtx_equal_p for early clobber test.
1141 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1143 * builtins.def: Encode additional information, such as names and
1145 * builtin-types.def: New file.
1146 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1147 (built_in_decls): Likewise. Don't explicitly initialize global
1149 (expand_builtin_mathfn): Handle float and long double variants of
1151 (expand_builtin): Likewise.
1152 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1153 (expand_tree_builtin): Handle long, long long, float, and long
1154 double variants of math functions.
1155 * c-common.h (c_tree_index): Remove some unused nodes.
1156 (void_ftype): Remove.
1157 (void_type_ptr): Likewise.
1158 (int_ftype_int): Likewise.
1159 (ptr_ftype_sizetype): Likewise.
1160 * c-decl.c (init_decl_processing): Remove creation of DWARF
1162 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1163 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1164 * Makefile.in (c-common.o): Depend on builtin-types.def.
1166 2001-05-25 Dale Johannesen <dalej@apple.com>
1168 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1170 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1172 * c-parse.in (notype_initdcl): Remove redundant line.
1174 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1176 * aclocal.m4: Fixed typo.
1177 (gcc_AC_HEADER_STDBOOL): Define.
1178 (gcc_AC_C__BOOL): Define.
1179 * configure.in: Use them.
1180 (AC_CHECK_HEADERS): Remove stdbool.h
1181 * configure, config.in: Regenerate.
1183 2001-05-25 Richard Henderson <rth@redhat.com>
1185 * function.c (expand_function_start): Don't abort on PARALLEL
1186 returns from hard_function_value.
1188 2001-05-25 Richard Henderson <rth@redhat.com>
1190 * config/i386/i386.md: Revert previous change. Do not apply
1191 the peephole if the components do not die after the sequence.
1193 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1195 * c-parse.in (array_declarator): New. Handle C99 constructs.
1196 Don't restrict [*] declarators to C only.
1197 (after_type_declarator, parm_declarator_starttypename,
1198 parm_declarator_nostarttypename, notype_declarator,
1199 direct_absdcl1): Use it.
1200 * c-decl.c (build_array_declarator, set_array_declarator_type):
1201 New functions. Warn that [*] isn't properly implemented; pedwarn
1202 for [*] outside C99 mode if pedantic rather than giving a hard
1204 (grokdeclarator): Handle static and type qualifiers in parameter
1206 * c-tree.h (build_array_declarator, set_array_declarator_type):
1208 * extend.texi (Attribute Syntax): Document attributes in parameter
1211 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1213 * config/i386/i386.md: Make sure cmpstr peepholes do not
1214 affect liveness information.
1216 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1218 * c-typeck.c (digest_init): Issue error messages about
1219 invalid constants, not warnings.
1221 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1223 * invoke.texi (-fno-builtin): Document that this is always on
1226 2001-05-24 Philip Blundell <philb@gnu.org>
1228 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1231 2001-05-24 Philip Blundell <philb@gnu.org>
1233 * config/arm/arm.c (output_return_instruction): Correctly handle
1234 interworking and interrupt functions.
1236 2001-05-24 Philip Blundell <philb@gnu.org>
1238 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1239 -m{no-}sched-prolog. Fix typos and improve formatting.
1241 2001-05-24 Philip Blundell <philb@gnu.org>
1243 * invoke.texi (ARM Options): Improve wording slightly. Add
1244 documentation for more options, including those for Thumb mode.
1245 Don't mention options that don't exist or are unimplemented.
1246 (Thumb Options): Delete; merged into above section.
1248 2001-05-24 Geoff Keating <geoffk@redhat.com>
1250 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1251 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1253 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1255 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1256 fix hard register simplification.
1258 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1260 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1261 of just copying CPP_CPU_SPEC.
1263 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1265 * i386.c (incdec_operand): Accept only 1 and -1.
1267 2001-05-23 Kelley Cook <kelley.cook@home.com>
1269 * Makefile.in: Move many of the *_H definitions eariler in the
1270 file, so that rules in t-* files that use them for
1271 dependencies will work in a parallel build.
1272 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1274 2001-05-23 Richard Henderson <rth@redhat.com>
1276 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1278 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1280 * cpp.texi: Update for handling of charconsts.
1281 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1282 diagnostics. Skip to the end if the UCS is too short.
1283 (cpp_interpret_charconst): Long charconsts issue a warning
1286 2001-05-23 Richard Henderson <rth@redhat.com>
1288 * doc/install.texi (alpha-linux): Require binutils 2.11.
1290 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1292 * c-lex.c (read_escape, read_ucs): Delete.
1293 (lex_string): Use cpp_parse_escape.
1294 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1295 if not C++ or not C99. Warn if traditional.
1296 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1297 unsigned. Warn for out-of-range escape sequences here.
1298 Update to use maybe_read_ucs.
1299 (cpp_interpret_charconst): Don't warn here.
1300 * cpplib.h (cpp_parse_escape): New exported function.
1302 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1304 * extend.texi (Attribute Syntax): Clarify application of
1305 attributes to parameters declared as functions or arrays.
1307 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1309 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1311 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1313 * diagnostic.c (vnotice): Kill.
1314 (fnotice): Call vfprintf directly.
1315 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1316 verbatim, set_diagnostic_context): Rename string argument to
1317 indicate that it is run through gettext.
1318 (vbuild_message_string, build_message_string, output_do_printf):
1319 Rename string argument to indicate that it is NOT run through
1321 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1322 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1323 Run msgid argument through gettext.
1324 (default_print_error_function): Run constant strings through
1325 gettext when nothing else will.
1326 (fatal_error, internal_error, error_recursion): Use fnotice.
1327 Present complete sentences to gettext.
1329 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1331 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1333 2001-05-23 Richard Henderson <rth@redhat.com>
1335 * function.c (expand_function_start): Always use a pseudo
1336 for the function result value.
1338 2001-05-22 Richard Henderson <rth@redhat.com>
1340 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1341 section pointer alignment.
1343 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1345 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1346 of __USER_LABEL_PREFIX__.
1348 2001-05-22 Richard Henderson <rth@redhat.com>
1350 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1351 (__deregister_frame_info_bases): New.
1352 * unwind-dw2-fde.h: Declare it.
1353 * libgcc-std.ver: Export it.
1354 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1355 called __register_frame_info_bases.
1357 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1359 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1360 instead of #elif (which is OK for this case but not in general).
1362 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1364 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1365 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1366 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1367 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1368 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1370 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1371 David O'Brien <obrien@freebsd.org>
1373 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1374 configure-time options and target version of FreeBSD. Set-up
1375 to match architectural change in threading support. Correctly
1376 report when -pthread option is not supported by configure-time
1378 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1379 and extend to encode target version number in run-time setting
1380 of __FreeBSD__ macro to match the system compiler.
1381 (CPP_PREDEFINES): Likewise.
1382 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1384 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1385 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1387 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1388 David O'Brien <obrien@freebsd.org>
1390 * config.gcc (the unlabeled system switch statement): Add
1391 generic configuration section to handle *-*-freebsd*. Also,
1392 to match the system compiler, default to threading support (it
1393 may be disabled with the standard --disable-threads
1394 configuration-time switch).
1395 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1396 (alpha*-*-freebsd* in machine-specific section): Likewise.
1398 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1399 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1400 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1401 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1402 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1404 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1405 David O'Brien <obrien@freebsd.org>
1407 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1408 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1409 -pthread instead setting macro.
1411 2001-05-22 Richard Henderson <rth@redhat.com>
1413 * crtstuff.c (__register_frame_info_bases): Declare.
1414 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1415 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1417 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1418 (CRT_GET_RFIB_DATA): New.
1419 * config/i386/sysv4.h: Likewise.
1420 * config/i386/sco5.h: Likewise.
1421 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1423 2001-05-22 Richard Henderson <rth@redhat.com>
1425 * rtl.c (read_string): Break out from ...
1426 (read_rtx): ... here.
1428 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1430 * doc/install.texi (Specific): Remove a bogus and duplicate part
1431 copied from the end of the document.
1433 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1435 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1437 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1439 * install.texi: Remove obsolete information on SunOS as well as
1440 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1441 (Installing GNU CC on the Sun): Remove section.
1443 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1445 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1446 keep errno unchanged on success.
1448 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1450 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1451 once for hexadecimal floats, whether or not they contain a decimal
1452 point. Don't let the setting of pedantic otherwise affect the
1453 parsing of hexadecimal floats.
1455 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1457 * README.ACORN: Remove obsolete file.
1459 2001-05-22 Jan Hubicka <jh@suse.cz>
1461 * combine.c (gen_binary): Use swap_commutative_operands_p
1462 (simplify_comparison): Likewise.
1463 * expmed.c (emit_store_flag): Likewise.
1464 * expr.c (compare_from_rtx): Likewise.
1465 (do_compare_rtx_and_jump): Likewise.
1466 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1467 if not emitting a branch and operands want swapping.
1469 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1471 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1472 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1473 (maybe_get_identifier): Update.
1474 * tree.h (make_identifier): Delete.
1476 2001-05-21 Richard Henderson <rth@redhat.com>
1478 * combine.c (subst): Do not substitute for a register as
1479 a destination subreg/strict_low_part/zero_extract.
1481 * combine.c (simplify_comparison): Update op1 after constant
1483 * recog.c (const_int_operand): Accept only constants valid
1485 * genrecog.c: Update comments wrt const_int_operand.
1487 * emit-rtl.c (init_emit_once): Zero unused memory in a
1490 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1492 * tree.h (type_num_arguments): Declare it.
1493 * tree.c (type_num_arguments): New function.
1495 2001-05-21 Richard Henderson <rth@redhat.com>
1497 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1500 2001-05-21 Geoff Keating <geoffk@redhat.com>
1502 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1504 (minsf3): Use rs6000_emit_minmax.
1505 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1507 (movsfcc): Use rs6000_emit_cmove.
1508 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1509 Don't generate emit_fselsfsf4.
1510 (fseldfsf4): Likewise.
1511 (maxdf3): Use rs6000_emit_minmax.
1513 (mindf3): Use rs6000_emit_minmax.
1514 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1516 (movdfcc): Use rs6000_emit_cmove.
1517 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1518 Don't generate emit_fselsfsf4.
1519 (fselsfdf4): Likewise.
1520 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1521 (min_max_operator): New predicate.
1522 (rs6000_emit_cmove): New function.
1523 (rs6000_emit_minmax): New function.
1524 * config/rs6000/rs6000-protos.h: Prototype new functions.
1525 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1526 and min_max_operator.
1528 * config/rs6000/rs6000.c (output_cbranch): Handle all
1529 conditional types in the switch statement.
1531 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1533 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1534 non-register variables.
1535 * extend.texi: Document that asm-specifications do not make sense
1536 for non-static local variables.
1538 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1540 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1541 (dbxout_type_fields): Lose minimal_debug support.
1542 (dbxout_type_methods, dbxout_type): Likewise.
1544 2001-05-17 Andrew Haley <aph@redhat.com>
1546 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1548 2001-05-21 Richard Henderson <rth@redhat.com>
1550 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1553 2001-05-20 Richard Henderson <rth@redhat.com>
1555 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1556 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1557 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1558 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1559 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1561 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1562 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1563 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1564 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1565 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1566 DEBUG_PUBNAMES_SECTION): Rename as above.
1567 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1569 2001-05-20 Richard Henderson <rth@redhat.com>
1571 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1572 operands unless the operation is commutative.
1574 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1576 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1579 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1581 * extend.texi: Clarify documentation of extensions included in ISO
1582 C99. Prefer C99 terminology and syntax to old GNU terminology and
1583 syntax. Add more index entries. Document mixed declarations and
1584 code as an extension in C89 mode. Warn about future changes to
1585 semantics of inline functions. Fixes PR other/930.
1587 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1589 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1590 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1591 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1592 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1594 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1596 2001-05-20 Richard Henderson <rth@redhat.com>
1598 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1599 to be output before a branch.
1601 2001-05-20 Richard Henderson <rth@redhat.com>
1603 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1605 2001-05-20 Richard Henderson <rth@redhat.com>
1607 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1608 (ASM_DOUBLE): Remove.
1609 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1610 * config/i386/sun386.h: Likewise.
1612 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1613 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1615 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1616 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1617 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1618 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1620 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1621 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1622 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1623 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1624 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1625 * config/i386/win32.h: Likewise.
1627 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1629 * invoke.texi: Add more options to summary list.
1631 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1633 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1634 used. Fixes PR c/2291.
1635 * gcc.1: Regenerate.
1637 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1639 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1640 the -fpic and -fPIC options, clear flag_pic.
1642 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1644 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1645 * stringpool.c (make_identifier): No statistics here anymore.
1646 * objc-act.c (steup_string_decl): Remove redundant check.
1648 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1650 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1651 cpplib.o, cpphash.o, fix-header): Update.
1652 (hashtable.o): New target.
1653 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1654 struct c_common_identifier here.
1655 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1656 * c-lex.c (c_lex): Update.
1657 * c-pragma.h: Update.
1658 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1660 (C_RID_CODE): Delete.
1661 * cpphash.c: Rewrite to use hashtable.c.
1662 * cpphash.h: Update include guards.
1663 (struct cpp_reader): Remove hashtab.
1664 hash_ob and buffer_ob are no longer pointers. Add hash_table
1666 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1667 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1668 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1669 * cppinit.c (cpp_create_reader): Update.
1670 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1671 (cpp_interpret_charconst): Eliminate warning.
1672 * cpplib.c (do_pragma, do_endif, push_conditional,
1673 cpp_push_buffer, cpp_pop_buffer): Update.
1674 (_cpp_init_stacks): Rename cpp_init_directives.
1675 (_cpp_cleanup_stacks): Remove.
1676 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1677 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1678 cpp_forall_identifiers, cpp_create_reader): Update.
1679 (C_RID_CODE, cpp_make_node): New.
1680 (c_common_identifier): New identifier node for C front ends.
1681 * cppmain.c (main): Update.
1682 * fix-header.c (read_scan_file): Update.
1683 * flags.h (id_clash_len): Make unsigned.
1684 * ggc.h (ggc_mark_nonnull_tree): New.
1687 * stringpool.c: Update comments and copyright. Update to use
1689 * toplev.c (approx_sqrt): Move to hashtable.c.
1690 (id_clash_len): Make unsigned.
1691 * toplev.h (ident_hash): New.
1692 * tree.c (gcc_obstack_init): Move to hashtable.c.
1693 * tree.h: Include hashtable.h.
1694 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1695 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1696 (struct tree_identifier): Update.
1697 (make_identifier): New.
1699 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1700 (C_RID_CODE): Remove.
1701 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1702 (init_parse): Don't do it here.
1704 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1706 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1708 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1710 (expand_eh_return): Convert between word_mode and Pmode.
1711 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1713 (execute_stack_op): Likewise.
1714 (execute_cfa_program): Likewise.
1715 (uw_frame_state_for): Likewise.
1716 (uw_update_context_1): Likewise.
1717 * unwind.inc (_Unwind_Reason_Code): Likewise.
1718 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1719 (EH_RETURN_STACKADJ_RTX): Likewise.
1720 * config/mips/mips.c (compute_frame_size): Make space for saving
1721 EH return registers.
1722 (mips_expand_epilogue): Handle EH stack adjustments.
1723 * config/mips/mips.md (eh_return): New pattern.
1724 (eh_set_lr_si): Likewise.
1725 (eh_set_lr_di): Likewise.
1726 Add splitter to perform EH return after reload.
1728 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1730 * jump.c (mark_jump_label): Tidy previous change.
1732 2001-05-19 Bruce Korb <bkorb@gnu.org>
1734 * fixinc/genfixes: no need for two warnings
1735 * fixinc/Makefile.in: open stdin for those building with a closed one.
1737 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1739 * jump.c (jump_optimize_1): Tidy.
1740 (mark_jump_label): When changing the label in a LABEL_REF, change
1741 update any REG_EQUAL notes as well.
1743 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1745 * c-parse.in (parm_declarator): Split into
1746 parm_declarator_starttypename and parm_declarator_nostarttypename.
1747 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1748 New. Allow parenthesised sub-declarators which don't begin with a
1749 TYPENAME. Fixes PR c/166.
1751 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1753 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1755 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1757 * toplev.c (main): If the target does not allow profiling without
1758 a frame pointer, issue an error message.
1759 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1762 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1764 * recog.c (general_operand): Modify last change to allow it if reload
1767 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1769 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1770 subregs containing mem.
1772 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1774 * regrename.c (regrename_optimize): frame pointer register can
1777 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1779 * README.DWARF: Move into dwarfout.c.
1781 2001-05-18 Dale Johannesen <dalej@apple.com>
1783 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1784 specific misuse of r0 as a reload address.
1786 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1788 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1791 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1793 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1794 (add_to_sequence): Make that decision type.
1795 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1796 (write_switch, write_cond, debug_decision_2): Likewise.
1798 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1800 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1803 2001-05-18 Stan Shebs <shebs@apple.com>
1805 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1806 * configure: Regenerate.
1808 2001-05-18 Per Bothner <per@bothner.com>
1810 Changes needed for java/jvspec.c
1811 * gcc.h (n_infiles, outfiles): Add declarations.
1812 * gcc.c (n_infiles, outfiles): Mske no longer static.
1814 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1816 * config/pa/som.h (EXCEPTION_SECTION): Define.
1818 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1820 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1822 Add have_location_lists, a variable to determine whether we need a
1823 .debug_loc section or not.
1824 (enum dw_val_class): Add dw_val_class_loc_list.
1825 (dw_val_struct): Add val_loc_list.
1826 (dw_loc_list_struct): New structure, represents location lists.
1827 (new_loc_list): New function, return a new location list, given
1828 the range and location expression.
1829 (add_loc_descr_to_loc_list): New function, add a location
1830 expression to a location list, given the expression and range.
1831 (output_loc_list): New function, output a location list.
1832 (gen_internal_sym): Modified to take symbol prefix, so we can
1833 reuse it for location list symbols.
1834 (add_AT_loc_list): New function, add a location list to a DIE at
1835 the named attribute.
1836 (AT_loc_list): New function, return the location list reference
1837 for a given attribute, if it's a location list.
1838 (print_die): Handle dw_val_class_loc_list.
1839 (size_of_die): Ditto.
1840 (value_format): Ditto.
1841 (output_die): Ditto.
1842 (output_location_lists): New function, output all of the location
1843 lists for a DIE and it's children.
1844 (dwarf2out_finish): Call output_location_lists if we have location
1848 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1850 * gcse.c (try_replace_reg): First try global replace, later try to
1851 simplify the expression.
1853 * gcse.c (find_used_regs): Change calling convention; work via
1855 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1857 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1860 2001-02-09 Nick Clifton <nickc@redhat.com>
1861 * config/arm/arm.md: Change output constraint on post inc
1862 load/store multiple patterns to be a read/write constraint.
1864 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1866 * basic-block.h (struct basic_block_def): Add documentation about
1867 what a basic block is, and what the various fields are used for.
1868 * flow.c (calculate_globlal_regs_live): Add documentation about
1869 how the algorithm works, and how we know that it will terminate.
1870 Check that the the inductive assumption that guarantees
1871 termination actually holds.
1872 (mark_used_regs): Treat conditionally set registers as used.
1873 (debug_regset): Add comment.
1874 * rtl.texi (cond_exec): Add documentation.
1876 * function.c (expand_function_start): Avoid creating BLKmode
1879 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1881 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1882 DIE, even if it has no children.
1883 (dwarf2out_finish): Always output the line-number table, even if
1886 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1888 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1890 2001-05-17 Bruce Korb <bkorb@gnu.org>
1892 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1893 * fixinc/genfixes: emit a warning if AutoGen is out of date
1895 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1896 Bruce Korb <bkorb@gnu.org>
1898 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1899 found in fixinc directory. Facilitates binary distributions.
1901 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1903 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1906 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1908 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1910 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1912 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1913 (simplify_subreg): Handle complex types represented as CONCAT.
1915 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1916 * rtl.h (swap_commutative_operands_p): Declare.
1917 * rtlanal.c (swap_commutative_operands_p): New.
1918 (operand_preference): New static function.
1920 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1921 (gen_binary): Likewise.
1922 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1923 * simplify-rtx.c (simplify_gen_binary,
1924 simplify_gen_relational): Likewise.
1926 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1928 * cse.c (fold_rtx): Use simplify_subreg.
1930 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1931 (simplify_gen_subreg): New.
1932 (simplify_rtx): Use simplify_subreg.
1933 * rtl.h (simplify_gen_subreg): Declare.
1935 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1937 * doc/install.texi: Update Solaris information.
1939 * except.h (protect_cleanup_actions): Remove it.
1940 (lang_protect_cleanup_actions): Declare it.
1941 * except.c (protect_cleanup_actions): Remove it.
1942 (lang_protect_cleanup_actions): New variable.
1943 (init_eh): Don't make protect_cleanup_actions a GC root.
1944 (expand_eh_region_and_cleanup): Call
1945 lang_protect_cleanup_actions.
1946 (output_function_exception_table): Remove unused `align'
1948 * varasm.c (assemble_external): Abort if we have not yet
1949 opened the assembly output file.
1951 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1953 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1954 for eh_personality_libfunc.
1956 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1958 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1959 when calling simplify_subreg. This is needed to allow replacing
1960 of expression of one mode by expression of different mode.
1962 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1964 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1966 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1968 * expr.c (protect_from_queue): Protect against subsequent calls to
1970 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1973 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1975 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1977 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1979 * gccbug.in (CATEGORIES): Add "bootstrap".
1981 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1983 * simplify-rtx.c (simplify_subreg): Break out from ...
1984 * combine.c (combine_splify_rtx) ... here and ...
1985 * recog.c (validate_replace_rtx_1): ... here;
1986 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1987 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1988 (subreg_lowpart_p): ... here.
1990 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1992 * stmt.c (expand_asm_operands): For inout operands, make sure
1993 the substitution of '=' for '+' makes it into the rtl.
1995 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1996 (reload_as_needed): Call update_eliminable_offsets a bit later.
1998 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2000 * gcc.texi (gccbug): Refer to the web pages for detailed information
2003 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2005 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2007 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2008 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2009 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2010 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2011 * cross-make: Don't set LIBGCC1.
2012 * mklibgcc.in: Delete all code for building from libgcc1.c.
2013 Always honor LIB1ASMFUNCS if set.
2015 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2016 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2017 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2018 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2019 config/i386/uwin.asm, config/m68hc11/larith.asm,
2020 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2021 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2022 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2023 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2024 Delete or update references to libgcc1 in commentary.
2026 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2027 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2028 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2029 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2030 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2031 config/arm/t-semi, config/arm/t-strongarm-coff,
2032 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2033 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2034 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2035 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2036 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2037 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2038 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2039 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2040 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2041 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2042 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2043 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2044 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2045 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2046 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2047 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2048 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2049 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2050 config/mips/t-ultrix, config/mn10200/t-mn10200,
2051 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2052 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2053 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2054 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2055 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2056 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2057 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2058 config/sparc/t-sparclite, config/sparc/t-splet,
2059 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2060 config/sparc/t-vxsparc64, config/v850/t-v850:
2061 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2063 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2064 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2065 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2066 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2067 nongcc_SI_type, nongcc_word_type, or perform_*
2068 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2070 * config/i386/386bsd.h, config/i386/beos-elf.h,
2071 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2072 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2073 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2074 Don't include i386/perform.h.
2076 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2077 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2078 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2079 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2080 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2081 config/vax/t-openbsd, config/vax/t-vax: Delete.
2083 * config.gcc: Remove references to deleted files.
2084 (arm-semi-aof): Use arm/t-semi for tmake_file.
2086 * gcc.texi, install.texi, invoke.texi, tm.texi:
2087 Delete or rewrite text which is no longer relevant now that
2088 libgcc1 no longer exists.
2090 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2091 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2093 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2094 Bruce Korb <bkorb@gnu.org>
2096 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2099 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2101 * i386.md: Add two peepholes to clean up code generated by
2104 2001-05-16 Richard Henderson <rth@redhat.com>
2106 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2107 variants of non-absolute encodings.
2109 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2111 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2112 __register_frame_info_table_bases): Export.
2114 2001-05-16 Richard Henderson <rth@redhat.com>
2116 * except.c (eh_data_format_name): Move to ...
2117 * dwarf2asm.c: ... here. Use designated initializers if available.
2118 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2119 * dwarf2asm.h: Update declarations.
2120 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2121 ASM_PREFERRED_EH_DATA_FORMAT.
2122 (output_call_frame_info): Likewise. Use 'L' augmentation for
2125 * unwind-dw2-fde.h (struct fde_vector): New.
2126 (struct old_object): Rename from struct object.
2127 (struct object): New.
2128 (__register_frame_info_bases): Declare.
2129 (__register_frame_info_table_bases): Declare.
2130 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2131 * unwind-dw2-fde.c (objects): Remove.
2132 (unseen_objects, seen_objects): New.
2133 (__register_frame_info_bases): New.
2134 (__register_frame_info): Use it.
2135 (__register_frame_info_table_bases): New.
2136 (__register_frame_info_table): Use it.
2137 (__deregister_frame_info): Rewrite for changed object struct.
2138 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2139 (fde_unencoded_compare): Rename from fde_compare; uninline.
2140 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2141 (start_fde_sort): Adjust for new definition of fde_vector.
2142 (fde_insert): Likewise.
2143 (end_fde_sort): Likewise. Select comparison function based
2144 on properties of the object.
2145 (fde_split): Take object and fde_compare_t arguments.
2146 (frame_heapsort, fde_merge): Likewise.
2147 (classify_object_over_fdes): Rename from count_fdes. Handle
2148 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2150 (add_fdes): Handle encoded pointers.
2151 (init_object): Rename from frame_init. Update for new struct object.
2152 (linear_search_fdes): Rename from search_fdes. Handle encoded
2154 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2155 (binary_search_single_encoding_fdes): New.
2156 (binary_search_mixed_encoding_fdes): New.
2157 (search_object): New.
2158 (_Unwind_Find_FDE): Update for new struct object. Fill in
2160 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2161 iterating over EH data.
2162 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2163 fde_encoding, lsda_encoding.
2164 (read_uleb128, read_sleb128): Remove.
2165 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2166 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2167 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2169 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2171 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2173 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2174 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2175 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2176 cpp_spell_token, cpp_output_token): Similarly.
2177 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2178 do_pragma_poison, parse_assertion, do_assert): Similarly.
2179 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2180 save_parameter, _cpp_create_definition, check_trad_stringification,
2181 cpp_macro_definition): Similarly.
2182 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2183 * c-lex.c (cb_undef, c_lex): Similarly.
2184 * fix-header.c (recognized_function): Similarly.
2185 * cpplib.h (NODE_LEN, NODE_NAME): New.
2186 (cpp_hashnode): Rename length len.
2188 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2190 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2193 2001-05-16 Andreas Jaeger <aj@suse.de>
2195 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2197 * toplev.c: Include dwarf2asm.h for prototype of
2198 dw2_output_indirect_constants.
2200 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2202 * stmt.c (expand_asm_operands): Be able to offload addressof
2203 expression to memory. (PR optimization/185)
2205 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2207 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2208 applying distributive law.
2210 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2212 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2214 * gthr-dce.h (UNUSED): Attribute unused macro.
2215 (__gthread_key_dtor): Make arguments UNUSED.
2216 (__gthread_key_delete): Revise for compatibility with DRAFT4
2219 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2221 * doc/install.texi: Update AIX information.
2222 * README.RS6000: Remove obsolete file.
2224 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2225 Nathan Sidwell <nathan@codesourcery.com>
2227 * gcc.c (give_switch): Don't write before start of string.
2228 Always append suffix.
2230 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2232 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2235 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2237 * README.ALTOS: Remove obsolete file.
2239 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2241 * c-lex.h (save_and_forget_protocol_qualifiers,
2242 forget_protocol_qualifiers, remember_protocol_qualifiers):
2243 Remove deleted functions' prototypes.
2245 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2247 * c-parse.in (methodtype): New production.
2248 (methoddef, methodproto): Collapse separate '-' and '+'
2251 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2253 * c-common.h (RID_FIRST_PQ): New.
2254 * c-parse.in (objc_pq_context): New.
2255 (objc parser): Set objc_pq_context rather than calling
2256 remember_protocol_qualifiers and forget_protocol_qualifiers.
2257 Don't call save_and_forget_protocol_qualifiers.
2258 (yylexname): Handle objc protocol qualifiers here.
2259 * stringpool.c (struct str_header): Replace with sp_hashnode.
2260 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2261 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2262 Allocate an IDENTIFIER_NODE for each identifier.
2263 (FORALL_STRINGS, set_identifier): Delete.
2264 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2265 (ggc_alloc_string): Use an obstack.
2266 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2267 * tree.h: Update comments.
2268 (set_identifier): Delete.
2269 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2270 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2271 remember_protocol_qualifiers): Delete.
2273 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2275 * flow.c (life_analysis): After life analysis is complete, do
2276 an optional scan over insns looking for REG_LABEL notes that
2277 reference a deleted label.
2278 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2279 before peeking at LABEL_NUSES.
2281 2001-05-15 Richard Henderson <rth@redhat.com>
2283 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2284 (_Unwind_GetTextRelBase): New.
2286 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2288 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2290 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2292 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2293 so that CHOOSE_SECTION gets used.
2295 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2296 TARGET_RELOCATABLE like flag_pic for now.
2298 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2300 * rs6000.md (movdi splitter): Sign extend more efficiently.
2301 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2302 to "long long" valid on 32-bit and 64-bit hosts.
2303 (logical_operand): Cast trunc_int_for_mode return value.
2304 (rs6000_emit_move): Shift macro to encapsulate variable.
2305 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2306 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2307 plus_constant requires signed argument.
2309 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2311 * gthr-posix.h: Make additional pthread-* functions weak.
2313 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2315 * recog.c (apply_change_group): Avoid unneeded validating.
2317 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2319 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2320 (num_insns_constant): CONST_INT can be 64-bits.
2322 2001-05-14 Stan Shebs <shebs@apple.com>
2324 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2325 (LIBGCC_SPEC): Don't define.
2327 2001-05-14 Richard Henderson <rth@redhat.com>
2329 * configure.in (gcc_cv_as_eh_frame): New test.
2330 * config.in, configure: Rebuild.
2331 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2333 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2335 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2336 extended precision divide.
2338 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2340 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2341 for RETURNS as well.
2343 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2345 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2346 (CPP_CPU??_SIZE_TYPE): New.
2347 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2348 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2349 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2350 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2352 * i386.c (override_options): Add sorry about not suported modes.
2354 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2356 * config/pa/som.h (NM_FLAGS): Remove.
2357 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2358 (ASM_OUTPUT_SECTION_NAME): Remove.
2359 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2361 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2363 * regrename.c (regrename_optimize): Do not rename registers to
2366 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2368 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2369 contain MEMs. Remove useless distinction about clobbering
2372 2001-05-13 Geoff Keating <geoffk@redhat.com>
2374 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2375 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2376 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2377 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2378 (EXCEPTION_SECTION): Define.
2380 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2382 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2383 binary backward compat only.
2384 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2385 in LIB2FUNCS. Pass it to mklibgcc.
2386 * mklibgcc.in: Handle LIB2FUNCS_ST.
2388 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2390 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2392 * tm.texi (THREAD_MODEL_SPEC): Document it.
2393 * gcc.c (main): Use it.
2394 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2395 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2397 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2399 * rtl.h (SYMBOL_REF_WEAK): New macro.
2400 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2401 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2402 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2403 * gcc.texi: Remove wrong description.
2405 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2407 * Makefile.in (STAMP): New macro.
2408 Replace all uses of `touch' with $(STAMP).
2409 * fixinc/Makefile.in: Likewise.
2411 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2413 * configure.in: ldopen is never in -lexc, so don't test for it.
2414 Add test for exc_resume in -lexc for Ada.
2415 * configure: Regenerated.
2417 2001-05-12 Richard Henderson <rth@redhat.com>
2419 * dwarf2asm.c (size_of_encoded_value): New function.
2420 * dwarf2asm.h: Declare it.
2421 * except.c (output_function_exception_table): Align the TType
2422 array only as wide as the encoding.
2424 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2426 * extend.texi: Document #pragma GCC java_exceptions.
2428 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2430 * c-parse.in (bison parser, init_reswords): Remove uses of
2432 * c-tree.h (doing_objc_thang): Remove.
2434 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2436 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2437 about files not ending in newlines.
2439 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2441 * dwarfout.c (dwarfout_init): Add cast.
2442 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2443 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2445 * method.c (build_mangled_C99_name): Remove unused prototype.
2447 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2449 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2451 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2453 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2454 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2456 2001-05-11 Richard Henderson <rth@redhat.com>
2458 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2459 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2460 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2461 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2462 (dw2_output_indirect_constants): Prototype.
2463 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2464 current_function_func_begin_label if we'll need it for EH. Exit
2465 early for IA64_UNWIND_INFO.
2466 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2467 (eh_data_format_name): Update for indirect references.
2468 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2469 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2470 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2471 define HAVE_eh_return etc.
2472 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2473 (final_end_function): Don't call output_function_exception_table.
2474 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2475 (rest_of_compilation): Invoke output_function_exception_table
2476 for ia64 before assemble_end_function.
2477 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2478 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2480 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2481 * unwind.h: Declare them.
2482 * libgcc-std.ver: Export them.
2483 * unwind-pe.h: New file.
2485 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2487 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2489 (find_fde_for_dso): Extract DT_PLTGOT.
2490 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2491 the segment and gp as well.
2492 * config/ia64/frame-ia64.c: Remove file.
2493 * config/ia64/frame-ia64.h: Remove file.
2494 * config/ia64/unwind-ia64.c: New file.
2495 * config/ia64/unwind-ia64.h: New file.
2496 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2497 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2498 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2499 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2500 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2501 (IA64_UNWIND_INFO): Re-enable.
2502 (HANDLER_SECTION): Remove.
2503 (EH_RETURN_DATA_REGNO): New.
2504 * config/ia64/ia64.md (exception_receiver): Remove.
2505 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2506 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2508 2001-05-11 Richard Henderson <rth@redhat.com>
2510 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2511 calls and jumps to be bundled together.
2512 (ia64_reorg): Emit a break after a noreturn call that ends
2514 * config/ia64/ia64.md (break_f): New.
2516 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2518 * c-lex.c (lex_charconst): Convert into a simple wrapper
2519 around cpp_interpret_charconst, to which most of the code
2521 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2522 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2523 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2524 (lex): Use cpp_interpret_charconst.
2525 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2526 hex_digit_value): New functions.
2527 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2528 * cpplib.h (cpp_interpret_charconst): New prototype.
2529 * Makefile.in: Update.
2531 2001-05-12 Dean Wakerley <dean@wakerley.com>
2533 * doc/install.texi: New file. Converted to texinfo from the HTML
2534 documentation in wwwdocs/htdocs/install.
2536 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2538 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2539 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2541 * toplev.c (compile_file): Move comment for opening output
2542 file to just before the code that opens the output file.
2544 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2546 * regmove.c (regmove_optimize): Suppress the optimization for
2547 unchanging destination register. Add comment above function.
2549 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2551 * Makefile.in: Exterminate all references to assert.h.
2552 * cross-make: Likewise.
2554 * configure.in: Correct commentary.
2555 * configure: Regenerate.
2557 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2560 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2561 config/t-netbsd, config/t-rtems, config/x-linux,
2562 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2563 No need to override INSTALL_ASSERT_H.
2565 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2566 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2567 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2569 2001-05-11 Graham Stott <grahams@redhat.com>
2571 * combine.c (simplify_comparison): Fix typo.
2573 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2575 * loop.h (struct movables): Remove `num'.
2576 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2577 Adjust call to strength_reduce.
2578 (num_unmoved_movables): New function.
2579 (move_movables): Don't set movables->num.
2580 (strength_reduce): Compute the number of instructions in the loop
2581 here, rather than in the caller.
2582 (check_dbra_loop): Always clear reversible_mem_store if there
2583 are any memory sets.
2584 (loop_regs_scan): Don't count instructions here.
2585 (count_insn_in_loop): New function.
2587 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2589 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2591 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2593 * c-common.c (finish_label_expr): New function, lifted from
2594 from cp/semantics.c.
2595 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2596 * c-parse.in: Move 3 blocks of parser code into new functions.
2597 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2598 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2599 (lookup_label): Remove.
2601 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2603 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2604 FLOAT_BIT_ORDER_MISMATCH.
2606 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2608 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2609 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2611 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2613 * expr.c (emit_group_load): extract_bit_field requires a REG or
2616 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2618 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2619 a computed jump into an unconditional jump.
2620 In second hunk of code for collapsing computed and conditional jumps
2621 into unconditional jumps, reemit the jump in additional cases.
2623 * jump.c (jump_optimize_1): Do not wrap the new jump target
2624 inside a LABEL_REF; gen_jump will do that automatically.
2626 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2628 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2629 contents for a SYMBOL_REF in case of floating point constants.
2631 2001-05-10 DJ Delorie <dj@redhat.com>
2633 * c-common.c (combine_strings): Widen strings in a
2634 host-endian-independent way.
2636 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2638 * c-parse.in: Remove many shift/reduce conflicts. Update
2640 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2641 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2642 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2643 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2644 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2645 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2646 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2647 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2648 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2649 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2650 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2651 typespec_reserved_nonattr, typespec_reserved_attr,
2652 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2653 structsp_nonattr, components_notype, component_notype_declarator,
2654 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2655 firstparm, setspecs_fp): New
2656 (typed_declspecs, reserved_declspecs, typed_typespecs,
2657 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2658 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2659 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2660 type_quals): Remove. Users updated.
2661 (initdecls, notype_initdecls, after_type_declarator,
2662 parm_declarator, notype_declarator, absdcl1, components, ivars):
2663 Don't allow attributes at the start of a declarator; include them
2664 in the production containing the declarator instead. Always
2665 require type specifiers before trying to redeclare a typedef name.
2666 (typename): Allow for attributes but warn that they are ignored.
2667 (parmlist, firstparm, setspecs_fp): Include attributes in
2668 parmlist; suck them off the parser stack in firstparm using
2671 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2673 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2674 to determine if a block has an unconditional jump at its end.
2676 * jump.c (jump_optimize_1): When converting a conditional jump
2677 to an unconditional jump, build the jump using gen_jump instead
2678 of just modify operands in-place.
2680 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2682 * cppinit.c (cpp_post_options): Shut off macro expansion if
2684 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2685 IN_I directives only if the # is in column 1 and the directive
2686 name begins in column 2.
2687 * cppmain.c (scan_buffer): Insert a space between # and an
2688 identifier, when that identifier is a directive name.
2690 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2691 in the header search path.
2692 (enum node_type): Add T_INCLUDE_NEXT.
2693 (directive_table): Add entry for include_next.
2694 (do_include_next): New function.
2695 (process_include): New routine, broken out of do_include.
2696 (finclude): Insert 'nhd' argument, to be copied into
2697 next_header_dir of the new buffer.
2698 (main): Adjust to match.
2699 * gsyslimits.h, limity.h: Un-indent #include_next.
2701 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2703 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2704 inclusion as a chapter of the GCC manual.
2705 * gcc.texi: Include objc.texi.
2706 * fdl.texi: Use @unnumberedsec for the addendum.
2707 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2709 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2711 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2713 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2715 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2716 handling of two-address insns.
2718 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2720 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2721 ../binutils/nm-new instead of ../binutils/nm.
2723 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2725 * i386.md (movdi splitter): Fix the splitting condition
2726 (float_extenddftf splitter): Fix mode.
2728 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2730 * genrecog.c (write_switch): Avoid outputting of switch for
2731 types wider than int.
2733 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2735 * reload1.c (copy_eh_notes): New function.
2736 (emit_input_reload_insns): Call it.
2737 (emit_output_reload_insns): Call it.
2739 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2741 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2743 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2744 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2746 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2748 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2750 * pa.md (interspace_jump): Revise comment.
2751 (builtin_longjmp): Block initial setup insns from delay slot of
2753 (builtin_setjmp_receiver): New expander to save and restore PIC
2756 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2758 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2760 * toplev.c (compile_file): Set up the output file before we call
2761 the various initializers for the compiler.
2763 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2764 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2766 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2767 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2769 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2771 * Makefile.in (tradcpp0): Correct typo in dependency list.
2773 2001-05-06 Geoff Keating <geoffk@redhat.com>
2775 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2776 the link register if we're not going to use it.
2778 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2779 (output_function_profiler): Likewise.
2781 2001-05-07 Alan Modra <amodra@one.net.au>
2783 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2785 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2787 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2788 zero-extend it. Make abs_inc unsigned.
2790 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2791 widest mode in narrowing and widening operations.
2793 * config/mips/mips.md: Sign extend CONST_INTs.
2795 2001-05-06 Andreas Jaeger <aj@suse.de>
2797 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2798 (i386 Options): Document -momit-leaf-frame-pointer.
2800 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2802 * c-typeck.c (internal_build_compound_expr): Check for
2803 array to pointer conversion just once.
2805 2001-05-05 Richard Henderson <rth@redhat.com>
2807 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2809 2001-05-05 Richard Henderson <rth@redhat.com>
2811 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2812 to the parent of the fixup region.
2814 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2816 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2818 * cpp.texi (__NO_INLINE): Document it.
2820 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2822 * cppfiles.c (struct include_file): New member err_no.
2823 (find_or_create_entry): Set it.
2824 (open_file): Don't set fds to -2. Instead, use err_no to
2825 remember previous errors, if any.
2827 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2829 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2830 between X and Y by using sequences of xgdx and xgdy.
2832 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2834 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2835 of '!' for the 'D' alternative ('!' is too strong).
2836 ("*logicalsi3_silshl16"): Likewise.
2837 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2838 ("movstrictsi"): Remove spurious '+'.
2839 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2840 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2841 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2844 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2846 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2848 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2850 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2853 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2855 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2858 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2860 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2861 soft register, use ror instead of rol.
2863 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2865 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2866 into account pre/post increment decrement for 68HC12.
2867 Fix other problems in replacement and fix call to reg_mentioned_p.
2869 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2871 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2872 Put the soft registers in bss for 68HC12.
2873 (L_regs_d3_4): New for _.d3 and _.d4.
2874 (L_regs_d5_6): Likewise.
2875 (L_regs_d1_2): Likewise.
2876 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2878 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2880 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2881 to the pre-processor when -fshort-double is specified.
2882 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2884 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2886 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2887 (__mulsi3): Rewrite for 68HC12.
2888 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2889 Mark 'x' constraint with earlyclobber to prevent a
2890 RELOAD_FOR_OTHER_ADDRESS to go in it.
2891 (mulhi3_m68hc12): New pattern.
2892 (mulhi3_m68hc11): Rename of mulhi3.
2893 (mulhi3): New expand for 68HC12 optimisation.
2894 (umulhisi3, mulhisi3): New patterns for 68HC12.
2896 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2898 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2899 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2900 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2902 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2904 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2905 constants cheap after reload.
2906 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2908 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2909 so that gcc prefers a shift by 16.
2910 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2912 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2914 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2916 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2918 * alpha.h: NULL_PTR -> NULL.
2925 * i386.md: Likewise.
2928 * m68hc11.h: Likewise.
2929 * rs6000.h: Likewise.
2932 * sparc.h: Likewise.
2936 * final.c: Likewise.
2938 * recog.c: Likewise.
2940 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2942 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2943 `bool' parameter to `int'.
2945 * hash.c (hash_lookup): Likewise.
2947 * hash.h (hash_lookup): Likewise.
2949 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2951 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2953 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2955 2001-05-03 Geoff Keating <geoffk@redhat.com>
2957 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2958 -malign-loops, -malign-functions.
2959 * i386.c (ix86_align_funcs): Delete.
2960 (ix86_align_loops): Delete.
2961 (ix86_align_jumps): Delete.
2962 (override_options): Mark -malign-* as obsolete. Emulate their
2963 behaviour with the -falign-* options. Default -falign-* from
2964 the processor table.
2965 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2966 patch of Wed May 2 13:09:36 2001.
2967 (LOOP_ALIGN): Delete.
2968 (LOOP_ALIGN_MAX_SKIP): Delete.
2969 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2970 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2972 2001-05-04 Andreas Jaeger <aj@suse.de>
2974 * except.h: Add prototype declaration for
2975 expand_builtin_init_dwarf_reg_sizes.
2977 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2979 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2981 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2983 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2985 ("bitcmpqi2"): New pattern for bit-extract and test.
2986 ("bitcmphi"): New pattern for bitb/bita instructions.
2988 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2990 * gccbug.in: Use a temporary directory when the mktemp command is
2993 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2995 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2997 (INITIALIZE_TRAMPOLINE): Call it.
2998 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2999 (TRAMPOLINE_TEMPLATE): Remove.
3000 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3001 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3004 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3006 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3007 and crtendS.o with PIC.
3009 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3011 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3013 (___subdi3, ___adddi3): Use x instead of y as index register.
3014 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3015 (__memset, __memcpy): Likewise.
3016 (regs): Put the soft registers in bss for 68HC12.
3017 (abort): Use trap to abort for 68hc12.
3018 (__mulhi3, __mulhi32): Use emul for 68hc12.
3019 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3021 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3023 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3024 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3025 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3026 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3027 Set 68HC12 min offset to -65536.
3028 (print_operand): Put parenthesis arround the operand if it refers
3029 to a symbol having the same name as a register.
3030 (m68hc11_z_replacement): When z register is replaced by its
3031 equivalent soft register, force the insn to be re-recognized.
3032 (m68hc11_check_z_replacement): Fix the test when destination is
3033 the index register and z dies in the insn.
3034 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3036 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3038 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3039 costs according to processor variant.
3040 (m68hc11_shift_cost): New function to compute shift costs.
3041 (m68hc11_rtx_costs): Define costs according to processor variant.
3042 (m6811_cost): Costs for 68HC11.
3043 (m6812_cost): Costs for 68HC12.
3044 (COSTS_N_INSNS): Remove.
3046 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3047 (DEFAULT_RTX_COSTS): Remove.
3048 (CONST_COSTS): Define costs according to OUTER_CODE.
3049 (processor_costs): New struct to define costs.
3050 (m68hc11_cost): Pointer to current costs.
3052 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3054 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3055 and use m68hc11_notice_keep_cc when using leax/leay.
3056 (addhi3 split): Reject split if the insn is handled by
3058 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3059 push must be handled in a special way if the source operand uses
3060 sp as index register.
3061 (m68hc11_notice_keep_cc): New function.
3062 (m68hc11_gen_movhi): Use it when an insn changes a register but
3064 (m68hc11_gen_movqi): Fix move for 68HC12.
3065 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3067 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3069 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3070 and don't pass operands[0] to emit_library_call_value.
3072 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3074 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3075 (zero_extendsi split): Simplify and use (zero_extendhi).
3076 (*addhi3): Remove 'w' constraint since stack pointer is handled
3078 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3079 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3080 (*ashrhi3_const): Fix shift by 7.
3081 (*lshrsi3_const16): Fix template.
3082 (call, call_value): Fix constraint and predicate.
3084 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3086 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3087 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3088 (CC_REGNUM): Likewise.
3089 (*unnamed splits): Use above constants instead of hard coded numbers.
3090 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3091 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3092 (*return_16bit, *unnamed peepholes): Likewise.
3094 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3096 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3097 rs6000/rs6000.h twice.
3099 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3101 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3102 (CPP_SPEC): Conditionally define MSDOS and GO32.
3103 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3104 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3106 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3108 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3110 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3112 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3114 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3115 * integrate.c (expand_inline_function): Use xcalloc to allocate
3117 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3120 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3122 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3125 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3127 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3128 linker if -mrelax is given.
3129 (TARGET_SWITCHES): Document -mrelax.
3131 Re-installed 2001-01-09's patch:
3132 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3133 if it's wider than long and the target's long is wider than the
3136 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3138 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3139 directly include rs6000/rs6000.h. Instead do it in tm.h.
3141 2001-05-02 Stan Shebs <shebs@apple.com>
3143 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3144 NSConstantString for NeXT-style runtimes.
3145 (STRING_OBJECT_GLOBAL_NAME): New macro.
3146 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3147 OCTI_STRING_CLASS_DECL.
3148 (constant_string_global_id): New macro.
3149 (string_class_decl): Ditto.
3150 (setup_string_decl): New function.
3151 (build_objc_string_object): Use it to build a NeXT runtime
3152 compatible string initializer.
3154 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3156 * tradcpp.c (do_define): Make sure we don't walk past limit.
3158 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3160 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3161 offsets if not REG_OK_STRICT.
3163 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3164 (INT_REG_OK_FOR_INDEX_P): Likewise.
3165 (INT_REG_OK_FOR_BASE_P): Likewise.
3166 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3167 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3168 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3169 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3170 REG_OK_FOR_BASE_P. Take an additional parameter.
3171 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3172 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3173 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3174 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3175 rs6000_legitimate_address() and use it.
3176 * config/rs6000/rs6000.c: Update all callers.
3177 (rs6000_legitimate_address): New function.
3179 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3181 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3182 special_constant conditional blocks together.
3184 2001-05-02 Dale Johannesen <dalej@apple.com>
3186 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3188 (STRICT_ARGUMENT_NAMING): Define.
3189 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3190 function_arg_partial_nregs, setup_incoming_varargs): Remove
3191 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3194 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3196 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3198 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3201 * expr.c (store_field): Do nothing except elaborate side-effects if
3204 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3206 * c-lex.c: NULL_PTR -> NULL.
3208 * emit-rtl.c: Likewise.
3210 * genpeep.c: Likewise.
3212 * mips-tdump.c: Likewise.
3213 * reload1.c: Likewise.
3214 * rtlanal.c: Likewise.
3216 * stor-layout.c: Likewise.
3217 * toplev.c: Likewise.
3219 2001-05-01 Per Bothner <per@bothner.com>
3221 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3222 call do_pending_stack_adjust before emiting label.
3224 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3226 * extend.texi: Fix typo.
3228 2001-05-01 Stan Shebs <shebs@apple.com>
3230 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3231 of UOBJC_MODULES_decl.
3232 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3233 (generate_descriptor_table): Ditto.
3234 (generate_protocols): Ditto.
3235 (generate_protocol_list): Ditto.
3236 (generate_classref_translation_entry): Ditto.
3238 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3240 * invoke.texi (Optimize Options): Add documentation for `--param
3241 max-delay-slot-insn-search' and `--param
3242 max-delay-slot-live-search' and reorder --param section.
3243 * params.def: Modify initial comment.
3244 * params.h (param_info): Add `help' member.
3245 * toplev.c (lang_independent_params): Include `help' description.
3246 (display_help): Print --param parameters.
3248 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3250 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3251 Remove references to deleted files.
3252 (*-*-openbsd): No need to override xmake_file.
3253 (*-*-sysv4): Treat like *-*-sysv.
3255 * configure.in: Probe for ldopen in various places, and set up
3256 collect2 to be linked with them if found.
3257 Don't dink with Windows registry stuff unless $host_os is a
3258 Win32 os name. Check to see if we need -ladvapi32.
3259 * configure: Regenerate.
3261 * Makefile: Get rid of CLIB and HOST_CLIB.
3262 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3263 * build-make: Get rid of HOST_CLIB.
3265 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3266 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3267 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3268 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3269 config/rs6000/x-rs6000: Delete.
3271 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3274 24 x-host fragments remain, 0 x-cpu, 3 top level.
3276 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3278 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3279 * configure: Regenerate.
3281 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3283 * Makefile.in (install-headers): Remove redundant dependency.
3285 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3287 * c-tree.texi (USING_STMT): Document.
3289 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3291 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3292 * c-common.c: Likewise.
3293 * c-decl.c: Likewise.
3294 * combine.c: Likewise.
3295 * rs6000.c: Likewise.
3296 * except.c: Likewise.
3297 * explow.c: Likewise.
3299 * fold-const.c: Likewise.
3300 * function.c: Likewise.
3303 * integrate.c: Likewise.
3305 * objc/objc-act.c: Likewise.
3306 * recog.c: Likewise.
3307 * reg-stack.c: Likewise.
3308 * reload.c: Likewise.
3309 * reload1.c: Likewise.
3310 * simplify-rtx.c: Likewise.
3312 * varasm.c: Likewise.
3314 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3316 * diagnostic.def: New file.
3317 * diagnostic.h (diagnostic_t): New enum.
3318 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3320 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3322 * tsystem.h: Test only POSIX for availability of string.h
3324 * config.gcc (all systems): If USG appeared in xm_defines,
3325 change it to POSIX. If both USG and POSIX appeared, just
3326 delete USG. Remove unnecessary quotes around xm_defines
3328 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3329 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3330 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3331 powerpc-*-linux*): No need to set xm_defines - handled by
3332 global settings for *-*-linux*.
3334 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3336 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3337 Always include gstab.h, not system stab.h. Don't provide
3338 default definitions of N_CATCH or N_OPT. Always use the
3339 gstab.h variant of STAB_CODE_TYPE.
3340 * final.c: Don't include stab.h/gstab.h at all, or provide
3341 defaults for N_SLINE and N_SOL.
3343 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3344 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3346 * sdbout.c: Always include gsyms.h instead of system syms.h.
3348 * configure.in: No need to check for stab.h.
3349 * configure, config.in: Regenerate.
3350 * Makefile.in (final.o): Don't depend on gstab.h.
3352 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3353 Richard Henderson <rth@redhat.com>
3355 * extend.texi: Improve documentation of volatile asms.
3357 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3359 * c-tree.texi: Fix thinko.
3360 * gcc.texi: Likewise.
3362 2001-04-30 Richard Henderson <rth@redhat.com>
3364 * c-common.c (c_promoting_integer_type_p): New function, from the
3365 corpse of old macro. Properly promote too-small enumerations and
3366 booleans. Adjust all callers.
3367 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3368 (c_promoting_integer_type_p): Declare.
3369 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3370 * c-typeck.c: Likewise.
3371 (default_conversion): Remove now redundant boolean check.
3373 2001-04-30 Jan Hubicka <jh@suse.cz>
3374 Richard Henderson <rth@redhat.com>
3376 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3378 (combine_stack_adjustments_for_block): Don't combine stack
3379 allocation followed by deallocations. Handle grow-up stacks.
3381 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3383 * fdl.texi: New file.
3384 * c-tree.texi: Use the GFDL.
3385 * gcc.texi: Likewise.
3387 2001-04-30 Stan Shebs <shebs@apple.com>
3389 * invoke.texi: Add a section documenting Objective-C options.
3391 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3393 * emit-rtl.c (try_split): Copy EH notes to sequence.
3395 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3397 * regmove.c (record_stack_memrefs): Catch all references to the
3400 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3402 * Makefile.in (stmp-fixinc): quote shell assignment values
3404 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3406 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3410 * prefix.c: Likewise.
3412 2001-04-28 Stan Shebs <shebs@apple.com>
3414 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3415 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3416 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3417 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3419 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3420 (NEXT_OBJC_RUNTIME): Define.
3422 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3424 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3425 * simplify-rtx.c (simplify_gen_relational): Likewise.
3427 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3429 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3430 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3432 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3433 registers in SSE case; fix handling of the immediates.
3434 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3435 operands to be in regsiters before reload.
3436 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3437 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3438 (abstf,absxf,negtf,negxf splitters): Compute
3439 properly the regnum for x86_64.
3440 (avsdf2_if_rex64): New.
3442 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3444 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3445 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3446 into the constant pool.
3447 * jump.c (jump_optimize_1): Remove barrier successors after all
3448 the LABEL_NUSES counds have been computed.
3449 (delete_barrier_successors): When deleting a tablejump insn, also
3450 delete the jump table it uses.
3451 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3454 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3456 * pa.c (FRP): Remove erroneous white space in macro definition.
3458 2001-04-28 Andreas Jaeger <aj@suse.de>
3460 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3462 * extend.texi: Likewise.
3463 * tm.texi: Likewise.
3465 2001-04-28 Andreas Jaeger <aj@suse.de>
3467 * md.texi: Use XX-bit instead of XXbit or XX bit where
3470 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3472 * gcc.c (process_command): Allow -l lib in addition to -llib
3473 for POSIX compliance. This fixes PR c/2347.
3475 * invoke.texi: Update section on Link Options accordingly.
3477 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3479 * function.c (purge_addressof_1): Remove the duplicate
3480 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3483 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3485 * except.c (expand_eh_region_start): Don't start a new block.
3486 (expand_eh_region_end): Don't end a block.
3487 * stmt.c (expand_end_bindings): Don't end EH blocks.
3488 (expand_decl_cleanup): Starting an EH region won't change the block.
3489 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3490 (is_eh_region): Lose.
3493 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3495 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3497 * collect2.c (main): Add `-L' case to remove duplicate entries.
3498 (is_in_args): New function to check for a duplicate argument.
3499 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3500 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3501 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3502 Define to be nonzero.
3504 2001-04-27 Andreas Jaeger <aj@suse.de>
3505 Richard Henderson <rth@redhat.com>
3507 * md.texi (Machine Constraints): Document additional i386
3508 constraints and fix description of "A".
3510 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3512 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3514 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3516 * except.c (get_exception_filter): word_mode, not Pmode.
3518 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3520 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3521 common to other movsf patterns. Move up so that in future
3522 people who change the other patterns will change it too.
3523 (movsf_lo_sum): Allow even for soft-float; add appropriate
3525 (movsf_high): Likewise.
3526 (movsf_high+1): Allow even for soft-float.
3528 * function.c (expand_function_end): Always clobber the
3529 return registers, even if there is no return label.
3531 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3533 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3535 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3537 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3538 (pushqi2_rex64, pushhi2_rex64): Add.
3540 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3542 * except.c (expand_eh_region_end_cleanup): Force pending stack
3543 adjust before emitting label that branches around cleanup code.
3545 2001-04-26 H.J. Lu (hjl@gnu.org)
3547 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3549 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3551 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3552 (ASM_OUTPUT_SECTION_NAME): Likewise.
3553 (ASM_WEAKEN_LABEL): Likewise.
3554 (UNIQUE_SECTION): Likewise.
3555 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3556 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3557 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3558 (ASM_OUTPUT_SECTION_NAME): Likewise.
3559 (ASM_WEAKEN_LABEL): Likewise.
3560 (UNIQUE_SECTION): Likewise.
3561 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3562 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3563 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3564 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3565 (ASM_FILE_START): Likewise.
3566 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3567 (ASM_DECLARE_OBJECT_NAME): Likewise.
3568 (ASM_FILE_END): Likewise.
3569 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3570 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3571 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3572 (ASM_OUTPUT_CASE_LABEL): Likewise.
3573 (ASM_OUTPUT_SKIP): Likewise.
3574 (ASM_OUTPUT_ASCII): Likewise.
3575 (ASM_OUTPUT_IDENT): Likewise.
3576 (READONLY_DATA_SECTION): Likewise.
3577 (EXTRA_SECTIONS): Likewise.
3578 (EXTRA_SECTION_FUNCTIONS): Likewise.
3579 (SELECT_RTX_SECTION): Likewise.
3580 (SELECT_SECTION): Likewise.
3582 * config/mips/linux.h (INVOKE__main): Undefine.
3583 (CTOR_LIST_BEGIN): Likewise.
3584 (CTOR_LIST_END): Likewise.
3585 (DTOR_LIST_BEGIN): Likewise.
3586 (DTOR_LIST_END): Likewise.
3587 (SET_ASM_OP): Defined it to ".dummy".
3588 (ASM_OUTPUT_DEF): Defined.
3589 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3591 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3593 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3594 assembler supports .p2align.
3596 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3598 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3600 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3602 * integrate.c (expand_inline_function): Check for error_mark_node
3605 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3607 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3610 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3612 * configure.in (configargs.h): Define thread_model.
3613 * configure: Rebuilt.
3614 * gcc.c (main): Print it with -v.
3616 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3618 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3619 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3620 * gcc.1: Regenerate.
3622 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3624 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3625 is_redundant_typedef): Use static inline instead of inline static.
3627 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3629 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3630 this directory is always searched.
3632 2001-04-25 Richard Henderson <rth@redhat.com>
3634 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3635 of registers to restore along non eh_return path.
3637 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3639 * c-format.c (check_format_info_recurse): Handle
3640 PLUS_EXPR for format string.
3642 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3644 * config/ia64/ia64.h (CC1_SPEC): Define.
3645 * config/ia64/linux.h (CC1_SPEC): Define.
3647 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3649 * emit-rtl.c (constant_subword): Also do sign extension in
3650 BITS_PER_WORD == 16 case.
3652 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3654 * loop.c (try_swap_copy_prop): Go back to checking insn.
3656 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3658 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3659 if check_mode is non-zero.
3661 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3663 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3664 out and comparison sequence has been detected, put result into
3665 proper temporary pseudo.
3667 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3669 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3670 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3671 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3672 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3673 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3674 for future reference.
3676 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3678 * except.c (reachable_handlers): Step out one level from a RESX.
3680 * except.c (struct eh_region): Rename 'last' to 'resume'.
3681 (mark_eh_region, duplicate_eh_region_1): Adjust.
3682 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3683 (build_post_landing_pads): Likewise.
3684 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3685 (expand_eh_region_end_must_not_throw): Likewise.
3686 (connect_post_landing_pads): Thread (only) regions with non-deleted
3689 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3690 registers around the cleanup.
3691 (get_exception_filter): New fn.
3692 (finish_eh_generation): Use it.
3694 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3696 * c-semantics.c (add_scope_stmt): Don't call
3697 current_scope_stmt_stack multiple times.
3699 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3700 Nathan Sidwell <nathan@codesourcery.com>
3702 Lazy __FUNCTION__ generation.
3703 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3704 RID_C99_FUNCTION_NAME): New _RIDs.
3705 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3706 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3707 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3709 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3710 (c99_function_name_decl_node, function_name_decl_node,
3711 pretty_function_name_decl_node, saved_function_name_decls):
3713 (struct language_function): Remove x_function_name_declared_p.
3714 (make_fname_decl): Remove a parameter.
3715 (declare_function_names): Remove prototype.
3716 (start_fname_decls, finish_fname_decls): Prototype.
3717 (fname_as_string): Likewise.
3718 (fname_string, fname_decl): Likewise.
3719 * c-common.c (make_fname_decl): Adjust.
3720 (struct fname_var_t): New struct.
3721 (fname_vars): New static array.
3722 (declare_function_name): Remove.
3723 (start_fname_decls, finish_fname_decls): New functions.
3724 (fname_as_string): New function from remnants of
3725 declare_function_name.
3726 (fname_string, fname_decl): New functions.
3728 * c-decl.c (c_function_name_declared_p): Remove.
3729 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3730 don't call declare_function_name. Call start_fname_decls.
3731 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3732 clobber the line number. Call finish_decl.
3733 (start_function): Call start_fname_decls.
3734 (finish_function): Call finish_fname_decls.
3735 Remove c_function_name_declared_p.
3736 (push_c_function_context): Don't push c_function_name_declared_p.
3737 (pop_c_function_context): Don't pop c_function_name_declared_p.
3738 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3739 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3740 (program): Call finish_fname_decls for C.
3741 (primary): Add VAR_FUNC_NAME.
3742 (reswords): Add slots for __FUNCTION__ et al.
3743 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3744 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3745 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3746 * c-semantics.c (prune_unused_decls): Remove.
3747 (finish_stmt_tree): Don't call prune_unused_decls.
3748 (genrtl_decl_stmt): Don't prune unused decls here.
3750 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3752 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3753 constant pool, use the pool's SYMBOL_REF instead.
3755 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3758 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3760 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3761 passing nested NOP_EXPRs to fold.
3763 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3765 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3767 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3769 * loop.c (loop_delete_insns): Add prototype.
3771 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3773 * configure.in: Remove ENABLE_STD_NAMESPACE.
3774 * config.in: Regenerated.
3775 * configure: Regenerated.
3777 2001-04-22 Stan Shebs <shebs@apple.com>
3779 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3781 * config/rs6000/xm-darwin.h: Remove file.
3783 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3785 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3786 (write_c_file_stat): Likewise.
3788 * dbxout.c (dbxout_init): Likewise.
3790 * profile.c (output_func_start_profiler): Likewise.
3792 2001-04-22 Philipp Thomas <pthomas@suse.de>
3794 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3795 require it instead of the CVS version.
3796 * cpperror.c (v_message): Put a blank before the macro
3797 body to not confuse exgettext.
3799 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3801 * flow.c (proagate_one_insn): Remove useless assignment.
3802 * jump.c (delete_insn): Tidy.
3803 * loop.c (try_copy_prop): When deleting an instruction with a
3804 REG_RETVAL note, delete the entire libcall sequence.
3805 (loop_delete_insns): New function.
3806 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3807 we're not substituting into them yet.
3809 2001-04-21 Kazu Hirata <kazu@hxi.com>
3811 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3813 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3815 * config/i960/i960.c (signed_arith_operand): Likewise.
3817 * calls.c (expand_call): Fix a comment typo.
3819 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3821 * configure.in: Probe for times, clock, struct tms, and clock_t.
3822 * configure, config.in: Regenerate.
3823 * timevar.c: Replace ifdef forest in get_time with (relatively)
3824 straightforward series of checks based on autoconf's probes.
3826 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3828 * config/pa/som.h (NM_FLAGS): Define.
3830 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3832 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3834 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3835 * ia64.c (nop_cycles_until): New function.
3836 (prev_cycle, prev_first, last_issued): New static variables.
3837 (ia64_sched_reorder): Additional arg for clock.
3838 On final scheduling pass, emit extra NOPs as needed.
3839 Set prev_first and prev_cycle.
3840 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3841 (ia64_variable_issue): Set last_issued.
3843 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3845 * config/i386/i386.c (ix86_expand_int_movcc,
3846 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3848 2001-04-20 Geoff Keating <geoffk@redhat.com>
3850 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3851 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3852 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3853 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3854 ctrdi_internal6): In the short-branch case, this insn is only 4
3855 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3857 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3859 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3860 "=u" is used together with "st" resp. "st(1)" clobber.
3862 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3864 * gcse.c (gcse_main): Fix comment typo.
3865 (delete_null_pointer_check): Likewise.
3866 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3867 * cse.c (cse_insn): Likewise.
3868 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3871 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3873 * toplev.c: Excise all code for the undocumented -dm option.
3874 (float_signal): Call signal just once, unconditionally.
3876 2001-04-19 Geoff Keating <geoffk@redhat.com>
3878 * fold-const.c (fold): Use first_rtl_op rather than
3879 TREE_CODE_LENGTH when looping over parameters of a tree.
3880 Correct strange grouping in test for evaluated SAVE_EXPR.
3882 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3884 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3885 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3887 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3888 name at 32 total characters.
3889 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3890 functions in named sections -- data items can still go into unique
3891 sections, but they have normal names (ie $LIT$ and $DATA$).
3893 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3896 2001-04-19 DJ Delorie <dj@redhat.com>
3898 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3899 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3900 * config/i386/cygwin.h: Likewise.
3901 * config/i386/mingw32.h: Likewise.
3902 * config/vax/vms.h: Likewise.
3903 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3905 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3906 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3907 * config/i386/xm-cygwin.h: Likewise.
3908 * config/i386/xm-djgpp.h: Likewise.
3909 * config/i386/xm-mingw32.h: Likewise.
3910 * config/vax/xm-vms.h: Likewise.
3912 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3913 instead of OBJECT_SUFFIX.
3914 * collect2.c (find_a_file): Look for files matching the extension
3915 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3916 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3917 TARGET_EXECUTABLE_SUFFIX.
3918 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3919 (make_relative_prefix): Likewise.
3920 (convert_filename): Use TARGET_ suffixes throughout. Remove
3922 (process_command): Likewise.
3923 (do_spec_1): Likewise.
3924 * java/lang.c (init_parse): Likewise.
3926 * gcc.texi : Document four new options matching the pattern
3927 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3928 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3929 documentation for NO_AUTO_EXE_SUFFIX.
3931 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3933 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3934 that language-independent processing should not be done.
3935 * toplev.c (main): Adjust accordingly.
3937 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3938 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3940 * mips.md (reload_outputdi): Require that operand0 be a
3943 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3945 * invoke.texi (-Wshadow): Clarify.
3947 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3949 * loop.c (load_mems): Examine all the instructions in the loop
3950 before concluding that all jumps branch to the first instruction
3953 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3955 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3957 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3959 * cpp.texi (-Wwhite-space): Remove.
3960 (-Wall): -Wall does not imply -Wwhite-space.
3962 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3964 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3965 use it instead of blindly generating a .stabs.
3966 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3968 * xcoffout.c: Don't bother defining default for N_CATCH.
3969 (UNKNOWN_STAB): Use internal_error.
3970 (stab_to_sclass): Remove now-unnecessary aborts.
3971 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3973 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3975 * jump.c (mark_all_labels): Canonicalize the tail recursion
3976 label attached to CALL_PLACEHOLDER insns.
3978 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3980 * output.h (dump_flow_info, free_basic_block_vars,
3981 which_alternative): Delete redundant prototypes.
3983 * rtl.h (bss_section): Likewise.
3985 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3987 * dbxout.c (N_OPT): Define if not available from <stab.h>
3989 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3991 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3992 libraries and native K&R compilers.
3994 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3996 * c-typeck.c (convert_arguments): Don't check for width changes
3999 * invoke.texi (-Wtraditional): Update documentation.
4001 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4003 * toplev.c (output_lang_identify): Delete.
4004 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4005 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4006 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4007 after calling ASM_FILE_END.
4009 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4010 Instead, unconditionally emit an N_OPT stab with string equal
4011 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4013 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4015 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4016 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4017 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4018 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4019 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4020 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4021 config/i370/i370.h, config/i386/beos-elf.h,
4022 config/i386/osf1elf.h, config/i386/osfrose.h,
4023 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4024 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4025 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4026 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4027 config/mips/iris6.h, config/mips/osfrose.h,
4028 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4029 config/sparc/sp64-elf.h:
4030 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4031 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4033 * config/elfos.h, config/freebsd.h, config/linux.h,
4034 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4035 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4036 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4037 of ASM_FILE_START which merely emit a .version directive. Delete
4038 definitions of ASM_FILE_END which merely emit an .ident directive.
4040 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4041 ASM_IDENTIFY_GCC and move part of its logic into
4044 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4045 config/sparc/linux-aout.h: Don't emit .version directive in
4048 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4049 (output_file_start): Correct comment.
4051 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4052 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4054 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4055 * config/rs6000/aix.h: Correct comment.
4057 * config/i386/i386afe.h: Delete.
4058 * config.gcc: Remove references to i386afe.h.
4060 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4061 other macros deleted by this patch were undocumented.
4063 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4065 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4067 * pa.c (secondary_reload_class): SAR<->FP copies require a
4070 * install.texi (mips-mips-bsd): Update list of functions
4071 required to include memmove.
4072 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4073 used functions to include memmove.
4075 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4077 * i386.md (sqrtdf2): SFmode should be DFmode.
4079 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4081 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4082 (find_moveable_store): Likewise.
4084 2001-04-15 Jim Wilson <wilson@redhat.com>
4086 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4088 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4090 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4091 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4093 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4095 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4098 2001-04-14 Alan Modra <amodra@one.net.au>
4100 * pa.c (force_mode): New function.
4101 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4103 2001-04-13 Jim Wilson <wilson@redhat.com>
4105 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4106 (first_instruction): New static variable.
4107 (rtx_needs_barrier): Return 1 for alloc.
4108 (init_insn_group_barriers): Set first_instruction.
4109 (rws_sum): Delete duplicate definition.
4110 (group_barrier_needed_p): Return 0 when first_instruction true.
4111 (safe_group_barrier_needed_p): Save and restore first_instruction
4112 around group_barrier_needed_p call.
4114 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4116 * expr.h (enum libfunc_index): Add LTI_memmove.
4117 (memmove_libfunc): Define macro.
4118 * optabs.c (init_optabs): Initialize memmove_libfunc.
4119 * expr.c (expand_assignment): Use memmove_libfunc instead of
4122 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4124 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4127 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4129 * Makefile.in (reg-stack.o): Depend on reload.h.
4130 (insn-attrtab.o): Depend on flags.h.
4132 * genattrtab (main): Include flags.h in insn-attrtab.c.
4134 * reg-stack.c: Include reload.h.
4136 * sparc.h (flag_pic): Delete redundant declaration.
4138 * output.h (flag_pic): Likewise.
4140 * tree.h (pedantic): Likewise.
4142 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4144 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4146 * jump.c, regmove.c, toplev.c: Include reload.h.
4148 * reload.h (reload_cse_regs): Declare.
4150 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4151 reload_cse_regs, init_reload, mark_home_live, reload,
4152 init_caller_save): Delete redundant prototypes.
4154 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4156 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4158 * regclass.c, ssa.c: Include expr.h.
4160 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4161 gen_move_insn): Delete redundant declarations.
4163 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4165 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4166 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4167 MAKEINFO and MAKEINFOFLAGS too.
4168 (stage4_build): Correctly order -B flags.
4170 2001-04-13 Alan Modra <amodra@one.net.au>
4172 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4173 PIC_OFFSET_TABLE_SAVE_RTX.
4174 (zdepi_cint_p): Describe zdepi insn.
4175 Formatting and white space fixes throughout file.
4177 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4178 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4179 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4180 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4181 (output_64bit_and): Use plain `int's for shift counts.
4182 (output_64bit_ior): Likewise.
4183 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4184 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4187 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4188 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4189 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4190 NEW_HP_ASSEMBLER into one. Kill warnings.
4192 * pa-gas.h: Delete file.
4193 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4194 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4195 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4196 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4198 * config/pa/mill32.S: New file.
4199 * config/pa/mill64.S: New file.
4200 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4201 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4202 * config/pa/t-linux64: New file.
4203 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4204 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4205 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4207 * elfos.h (SELECT_SECTION): Undef before defining.
4208 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4209 (LIB_SPEC): Remove -lmilli.
4210 (DBX_REGISTER_NUMBER): Remove.
4211 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4212 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4213 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4214 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4215 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4216 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4217 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4218 TARGET_GAS): Define.
4219 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4220 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4221 regs if we don't have a prototype.
4222 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4223 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4224 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4225 EH_RETURN_HANDLER_RTX): Define.
4226 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4227 (DWARF_FRAME_REGNUM): Define.
4228 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4229 * pa32-linux.h: New file.
4230 * pa64-linux.h: New file.
4232 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4233 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4234 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4235 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4236 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4237 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4238 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4239 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4240 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4241 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4242 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4243 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4244 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4245 * pa64-hpux.h: New file.
4246 (ASM_FILE_START): Correct typo.
4247 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4248 * config.gcc: Modify for above.
4250 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4252 * jump.c (jump_optimize_1): Don't delete dead stores here.
4253 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4254 prior to running jump optimize before cse2.
4256 2001-04-12 Richard Henderson <rth@redhat.com>
4258 * Makefile.in (regmove.o): Depend on except.h.
4259 * regmove.c: Include it.
4261 2001-04-12 Stan Shebs <shebs@apple.com>
4263 * objc/objc-act.c: Remove all code ifdefed with the never-used
4264 macro OBJC_INT_SELECTORS.
4265 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4266 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4268 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4270 * config/pa/quadlib.c: Add prototypes.
4272 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4274 * bitmap.h (debug_bitmap): Delete redundant prototype.
4276 * rtl.h (get_frame_size): Likewise.
4278 2001-04-12 Jim Wilson <wilson@redhat.com>
4280 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4281 to just emit an fnorm.
4283 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4285 * c-common.h (truthvalue_conversion, type_for_mode,
4286 type_for_size): Delete redundant declarations.
4288 * c-lex.h (is_class_name): Likewise.
4290 * c-tree.h (pedantic, convert, getdecls, gettags,
4291 global_bindings_p, init_decl_processing, insert_block,
4292 maybe_build_cleanup, poplevel, print_lang_decl,
4293 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4294 set_block, incomplete_type_error, build_function_call,
4295 lvalue_or_else, mark_addressable): Likewise.
4297 * expr.h (expand_tree_builtin): Likewise.
4299 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4301 * invoke.texi: Document --param max-gcse-memory.
4303 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4305 * configure.in (errno): Check for declaration.
4306 * configure, config.in: Regenerated.
4308 * system.h (errno): Only declare if not already done.
4310 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4312 * recog.c (general_operand, immediate_operand,
4313 nonmemory_operand): Require CONST_INTs to be sign-extended
4314 values for their modes.
4316 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4318 * expmed.c (store_bit_field): Truncate CONST_INTs.
4319 (expand_mult_highpart, expand_divmod): Likewise.
4320 * expr.c (convert_modes, store_field): Likewise.
4321 * integrate.c (expand_inline_function): Use promote_mode() to
4322 determine whether to convert_modes() an argument as signed
4324 * optabs.c (expand_binop): Get CONST_INT operands
4325 sign-extended for their appropriate modes.
4326 * stmt.c (emit_case_nodes): Convert node values to the
4328 (expand_end_case): Convert minval and range to the appropriate
4330 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4331 the iteration variable.
4332 * varasm.c (immed_double_const): Don't require words to be
4333 narrower than host wide ints to properly sign-extend
4336 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4338 * sh.md (builtin_setjmp_receiver): New expander.
4340 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4342 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4343 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4344 for generating CONST_INT and CONST_DOUBLE.
4346 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4348 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4349 already sign-extended.
4350 (rs6000_emit_prologue): Make register iterator signed.
4351 (rs6000_emit_epilogue): Likewise.
4352 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4354 (movsf split, movdf split): Sign-extend CONST_INTs.
4355 (movdi splits): Likewise.
4357 2001-04-12 Kelley Cook <kelley.cook@home.com>
4359 * config-lang.in (lang_dirs): Add in zlib.
4361 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4363 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4364 operands that make it to RTL.
4366 2001-04-11 Stan Shebs <shebs@apple.com>
4368 Add Darwin (Mac OS X kernel) native support.
4369 * config.gcc (powerpc-*-darwin*): Add native bits.
4370 * config/darwin.c: New file, generic Darwin support functions.
4371 * config/darwin.h: New file, generic Darwin definitions.
4372 * config/darwin-protos.h: New file, generic Darwin prototypes.
4373 * rs6000/darwin.h: New file, Darwin for PowerPC.
4374 * rs6000/t-darwin: New file, Darwin makefile fragment.
4375 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4376 (TARGET_MACHO): Ditto.
4377 (rs6000_abi): Add ABI_DARWIN.
4378 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4379 (RS6000_SAVE_AREA): Ditto.
4380 (FP_ARG_MAX_REG): Ditto.
4381 (RETURN_ADDRESS_OFFSET): Ditto.
4382 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4384 (rs6000_emit_move): Add ABI_DARWIN cases.
4385 (print_operand): Ditto.
4386 (first_reg_to_save): Ditto.
4387 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4388 (debug_stack_info): Ditto.
4389 (rs6000_emit_prologue): Ditto.
4390 (rs6000_emit_epilogue): Ditto.
4391 (output_profiler_hook): Ditto.
4392 (output_function_profiler): Ditto.
4393 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4394 (output_mi_thunk): Add TARGET_MACHO case.
4395 (add_compiler_stub): Ditto.
4396 (output_compiler_stub): Ditto.
4397 (no_previous_def): Ditto.
4398 (output_call): Ditto.
4399 (machopic_output_stub): Ditto.
4400 (rs6000_machopic_legitimize_pic_address): Ditto.
4401 (toc_section): Ditto.
4402 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4403 (macho_high): Ditto.
4406 (load_macho_picbase): Ditto.
4407 (call): Add TARGET_MACHO case to modify function.
4408 (call_value): Ditto.
4409 (call_nonlocal_sysv): Add ABI_DARWIN case.
4410 (call_value_nonlocal_sysv): Ditto.
4411 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4413 (machopic_output_stub): Ditto.
4414 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4416 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4418 * dwarf2out.c (modified_type_die): Don't create new types here.
4419 * tree.h (get_qualified_type): New function.
4420 (build_qualified_type): Adjust comment.
4421 * tree.c (get_qualified_type): New function.
4422 (build_qualified_type): Use it.
4424 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4426 * cpp.texi (-Wtraditional): Update description.
4428 * invoke.texi (-Wtraditional): Likewise.
4430 2001-04-11 Jim Wilson <wilson@redhat.com>
4432 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4433 requires more than 64 bits of alignment.
4435 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4437 * cpplib.c (do_line): Sanity check iff enable checking.
4439 2001-04-11 Richard Henderson <rth@redhat.com>
4441 * Makefile.in (insn-recog.o): Depend on toplev.h.
4442 (insn-emit.o, doloop.o): Likewise.
4443 * genrecog.c, genemit.c: Include toplev.h in generated file.
4444 * doloop.c: Include toplev.h.
4446 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4448 * Makefile.in (gcse.o): Depend on params.h.
4449 * gcse.c: Include params.h.
4450 (gcse_main): Don't do GCSE if doing so will take inordinate
4452 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4453 * params.h (MAX_GCSE_MEMORY): New macro.
4455 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4457 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4459 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4461 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4463 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4465 * real.h (ereal_atof, real_value_truncate, target_isnan,
4466 target_isinf, target_negative, assemble_real, debug_real): Delete
4467 redundant prototypes.
4469 * Makefile.in (ifcvt.o): Depend on toplev.h.
4471 * c-semantics.c: Include expr.h.
4473 * ifcvt.c: Include toplev.h.
4475 * expr.h (rtx_equal_p): Delete prototype.
4477 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4478 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4479 eliminate_constant_term, expand_complex_abs, find_single_use,
4480 make_tree, init_expr_once, init_optabs, supports_one_only):
4483 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4484 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4485 expand_assignment, store_expr, emit_line_note_after,
4486 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4488 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4490 * sparc-protos.h: Delete redundant prototypes.
4492 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4494 * reload.c (push_reload): Add condition missed in SUBREG byte
4497 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4499 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4501 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4503 * i386.md (floatsisf_sse): Fix output template
4504 * i386.c (ix86_expand_fp_movcc)
4506 * reg-stack.c (emit_pop_insn): Handle complex modes.
4507 (move_for_stack_reg): Emit proper move mode.
4508 (subst_stack_regs_pat): Handle complex modes.
4510 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4512 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4514 2001-04-10 Richard Henderson <rth@redhat.com>
4516 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4517 (__pure_virtual, __terminate, __terminate_set_func,
4518 __default_terminate, __throw_type_match, __empty,
4519 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4520 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4521 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4522 Remove prototypes of deleted functions.
4524 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4526 * c-typeck.c (convert_arguments): -Wtraditional now activates
4527 -Wconversion warnings, except for changes in signed-ness.
4528 Detect complex<->int & int<->complex conversions as well.
4530 * invoke.texi (-Wtraditional): Document it.
4532 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4534 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4535 * flow.c (set_block_for_new_insns): Remove needless cast and
4536 properly check for unset block number.
4538 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4540 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4541 the subreg was a hard register. Pseudos are left as subregs.
4543 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4545 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4546 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4547 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4548 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4549 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4551 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4553 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4555 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4557 * output.h (set_block_num): Missed it earlier, remove deprecated
4560 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4562 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4563 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4564 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4565 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4566 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4567 (expr_killed_p): Change bb parameter from int to basic_block, pass
4568 basic_blocks instead of ints as parameters.
4569 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4570 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4571 from int to basic_block, pass basic_blocks instead of ints as parms.
4572 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4573 parameter from int to basic_block, pass basic_blocks instead of ints.
4574 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4575 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4576 pass basic_blocks instead of ints.
4577 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4578 basic_blocks instead of ints as parameters.
4579 (pre_delete): Pass basic_blocks instead of ints as parameters.
4580 (hoist_expr_reaches_here_p): Change bb parameter from int to
4581 basic_block, pass basic_blocks instead of ints.
4582 (hoist_code): Pass basic_blocks instead of ints as parameters.
4583 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4584 Change bb parameter from int to basic_block.
4585 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4586 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4587 pass basic_blocks instead of ints.
4588 (insert_store): Pass basic_blocks instead of ints as parameters.
4589 (replace_store_insn, delete_store): Change bb parameter from int to
4590 basic_block, pass basic_blocks instead of ints.
4591 (store_motion): Pass basic_blocks instead of ints as parameters.
4593 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4595 * basic-block.h (set_new_block_for_insns): New Prototype.
4596 (set_block_num): Delete prototype.
4597 * flow.c (set_block_num): Remove obsolete function.
4598 (set_block_for_new_insns): Set BB for single or multiple insns.
4599 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4600 (process_insn_end_bb): Use set_block_for_new_insns or
4601 set_block_for_insn instead of set_block_num.
4602 (pre_insert_copy_insn): Use set_block_for_new_insns.
4603 (update_ld_motion_stores): Use set_block_for_new_insns.
4604 (insert_insn_start_bb): Use set_block_for_new_insns.
4605 (replace_store_insn): Use set_block_for_new_insns.
4607 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4608 Jeff Law <law@redhat.com>
4610 * alias.c (get_addr): Externalize.
4611 (canon_true_dependence): New function. Behaves like true_dependance
4612 except it already assumes a MEM has been canonicalized.
4613 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4614 * gcse.c (struct ls_expr): Add load/store expressions structure.
4615 (modify_mem_list, canon_modify_mem_list): New variable.
4616 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4617 load motion and store motion if requested.
4618 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4619 (free_gcse_mem): Free the modify_mem_list array.
4620 (oprs_unchanged_p): Use load_killed_in_block_p.
4621 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4622 (mems_conflict_for_gcse_p): New function. Don't kill loads
4623 with stores to themselves if its in the load/store expression list.
4624 (load_killed_in_block_p): New function.
4625 (canon_list_insert): New Function.
4626 (record_last_mem_set_info): Keep a list of all instructions which
4627 can modify memory for each basic block.
4628 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4629 (oprs_not_set_p): Use load_killed_in_block_p.
4630 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4631 (expr_killed_p): Use load_killed_in_block_p.
4632 (compute_transp): Do not pessimize memory references.
4633 (pre_edge_insert): Update stores for a load motion expression.
4634 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4635 (ldst_entry): Find or create a ldst_expr structure.
4636 (free_ldst_entry): Free memory for an individual item.
4637 (free_ldst_mems): Free entire load/store expression list.
4638 (print_ldst_list): Print debug info.
4639 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4640 (enumerate_ldsts): Assign integer values to each entry in list.
4641 (first_ls_expr): First expression in the list.
4642 (next_ls_expr): Next expression in the list.
4643 (simple_mem): Check if expression qualifies for ld/st expression list.
4644 (invalidate_any_buried_refs): Remove from expression list if its
4645 used in some other way we dont understand.
4646 (compute_ld_motion_mems): Find all potential enhanced load motion
4648 (trim_ld_motion_mems): Remove any expressions which are invalid.
4649 (update_ld_motion_stores): Copy store values to registers for loads
4650 which have been moved.
4651 (regvec, st_antloc, num_store): New global statics.
4652 (reg_set_info): Marks registers as set.
4653 (store_ops_ok): Verfies registers expressions are valid in a block.
4654 (find_moveable_store): Look for moveable stores in a pattern.
4655 (compute_store_table): Find stores in a function worth moving, maybe.
4656 (load_kills_store): Check dependance of a load and store.
4657 (find_loads): Find any loads in a pattern.
4658 (store_killed_in_insn): Check if a store is killed in an insn.
4659 (store_killed_after): Check is store killed after an insn in a block.
4660 (store_killed_before): Check is store killed before an insn in a block.
4661 (build_store_vectors): Generate the antic and avail vectors.
4662 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4663 (insert_store): Add a store to an edge.
4664 (replace_store_insn): Replace a store with a SET insn.
4665 (delete_store): Delete a store insn.
4666 (free_store_memory): Free memory.
4667 (store_motion): Perform store motion.
4668 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4669 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4670 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4671 (f_options): Add gcse-lm and gcse-sm.
4673 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4675 * i386.c (expand_fp_movcc): Fix condition reversal code.
4677 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4678 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4679 (CLASS_MAX_NREGS): Use it.
4681 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4682 handle properly complex values.
4683 (CLASS_MAX_NREGS): Likewise; update comment.
4685 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4687 * ia64.c (ia64_flag_schedule_insns2): New variable.
4688 (ia64_override_options): Initialize it. Clear
4689 flag_schedule_insns_after_reload.
4690 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4692 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4694 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4695 Do not require source to match destination anymore;
4696 Add abort to the nontrivial cases that should be handled by split.
4697 (fix_trunc?fdi): Add SSE case for x86_64.
4698 (floatdi?f): Likewise.
4699 (floatdi?f_sse): New.
4700 (fix_trunc?fdi_sse): New.
4702 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4704 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4705 (DEBUG_ARANGES_END_LABEL): Ditto.
4706 (dwarfout_init): Generate length and version fields at the start
4707 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4708 after the length field.
4709 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4710 the .debug_aranges info.
4712 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4714 * i386.c (call, call_value): Make sure that resulting call_insn
4715 does have proper second operand.
4717 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4719 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4720 function. Remove include of sys/cygwin.h.
4722 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4724 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4725 (CPP_SPEC): Always search */include/w32api for header files.
4726 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4727 (LINK_SPEC): Add "cyg" to the library search prefixes.
4729 2001-04-08 Philip Blundell <philb@gnu.org>
4731 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4733 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4735 * cpperror.c (print_location): Don't special case <stdin>.
4736 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4737 WARNING, but we don't check if we're in system headers.
4738 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4739 * cpplib.c (do_warning): Warn in system headers.
4741 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4743 * mbchar.c: Include config.h first.
4745 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4747 * config.gcc: Set default for xmake_file at top, not bottom.
4748 Change places that set xmake_file to "none" to set to the
4749 empty string instead, or remove them entirely if there is no
4750 default xmake_file for this cpu_type. Remove references to
4753 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4754 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4755 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4756 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4757 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4758 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4759 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4760 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4761 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4762 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4765 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4766 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4767 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4768 config/mips/x-sysv, config/rs6000/x-aix31:
4769 Just set CLIB to -lld or -lmld, as appropriate.
4771 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4772 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4773 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4774 config/mips/x-iris, config/pa/x-pa:
4775 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4776 OTHER_FIXINCLUDES_DIRS.
4778 * config/i386/x-djgpp: Don't set LN or LN_S.
4779 * config/m88k/x-dolph: Don't define __m88k__.
4780 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4781 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4782 * config/i860/fx2800.h: No need to #undef SVR4.
4784 38 x-host fragments remain, 2 x-cpu.
4786 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4788 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4790 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4792 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4794 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4796 * configure.in: Add check for lstat.
4797 * configure, config.in: Regenerate.
4798 * cppinit.c (append_include_chain): Make empty path ".".
4799 * cpplib.c (do_line): Don't simplify #line paths.
4800 * cppfiles.c (remove_component_p): New function.
4801 (find_or_create_entry): Acknowledge stat () errors during
4802 path simplification.
4803 (handle_missing_header): Don't simplify paths.
4804 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4805 the empty path untouched. Don't leave a trailing '/'.
4807 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4809 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4810 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4812 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4814 * cppfiles.c (open_file): Fail directories silently, but
4815 with an errno of NOENT set.
4816 (read_include_file): Move the common exit code to the sole
4817 caller. Return an int indicating success or failure. Let
4818 open_file handle directories.
4819 (stack_include_file): If read_include_file fails,
4820 push a "null" buffer.
4822 2001-04-05 DJ Delorie <dj@redhat.com>
4824 * function.h (virtuals_instantiated): Declare.
4825 * function.c: (virtuals_instantiated): Make global.
4826 * calls.c (emit_library_call_value_1): Use
4827 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4828 Otherwise, use the stack pointer directly.
4830 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4832 * i386.c (x86_initialize_trampoline): New global function.
4833 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4834 (INITIALIZE_TRAMPOLINE): Move offline.
4835 * i386-protos.h (x86_initialize_trampoline): Declare.
4837 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4839 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4840 (lea_0): Rename to lea_1.
4841 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4842 (lea_general_?): Allow SImodes on TARGET_64BIT
4843 (lea_general_?_zext): New patterns.
4844 (call_1, call_1_rex64): Fix.
4846 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4848 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4850 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4852 * i386.c (function_arg): Return constm1_rtx for last argument.
4853 (ix86_expand_prologue): Update gen_call calls.
4854 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4855 * i386.md (call_pop): Likewise.
4856 (call): Second operand is VOIDmode.
4857 (call_0): Likewise; Support 64bits.
4858 (call_exp): New expander.
4859 (call_1): Get to the sync.
4860 (call_1_exp): New pattern.
4861 (call_value): Support 64bit.
4862 (call_value_exp): New pattern.
4863 (untyped_call): Update gen_call call.
4864 (call_value_pop): Disable for 64bit.
4865 (call_value_0_rex64): New pattern.
4866 (call_value_1_rex64): Likewise.
4868 2001-04-05 Bo Thorsen <bo@suse.de>
4870 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4872 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4874 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4875 satisfies ANY_QI_REG_P.
4877 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4879 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4882 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4885 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4887 * config.gcc: Remove default for xm_file. Clean up local
4888 machine type handling. Remove settings of xm_file to
4889 something that doesn't exist. In the big switch, set xm_file,
4890 don't append to it (the value before the big switch is always
4891 null). Don't force build_xm_file or host_xm_file to have a value.
4892 * configure.in: Remove default for xm_file. Do not special
4893 case $cpu/xm-$cpu.h not existing.
4894 * configure: Regenerate.
4896 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4898 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4899 when folding integer division and modulo operations.
4901 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4903 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4904 instead of DWARF2_ADDR_SIZE for EH addresses.
4905 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4908 2001-04-04 Richard Henderson <rth@redhat.com>
4910 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4911 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4912 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4914 2001-04-04 Richard Henderson <rth@redhat.com>
4916 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4917 * configure: Rebuilt.
4919 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4921 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4922 push insns to delete to it instead of deleting them.
4923 (delete_null_pointer_checks): Delete insns from delete_list after
4924 all delete_null_pointer_checks_1 passes are done.
4926 2001-04-04 Richard Henderson <rth@redhat.com>
4928 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4929 * configure: Rebuilt.
4931 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4933 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4934 * config/romp/xm-romp.h: Delete.
4936 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4938 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4941 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4943 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4944 all labels present in rtx.
4945 (try_split) Call new function for all split insns.
4947 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4949 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4950 sure the change won't be validated.
4952 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4954 * rtl.h (set_noop_p): Declare.
4955 * flow.c (set_noop_p): Move from here ...
4956 * rtlanal.c (set_noop_p): ... to here and enhance.
4957 * cse.c (delete_trivially_dead_insns): Use it.
4958 * gcse.c (hash_scan_set): Likewise.
4959 * jump.c (delete_noop_moves): Likewise.
4960 * recog.c (split_all_insns): Likewise.
4962 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4964 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4965 stack pointer via a LO_SUM. Ditto for setting a temp register
4966 used to save to the stack. Set cfa_temp when setting fp, and
4967 allow matches to cfa_temp in addition to cfa_store when saving
4968 regs. Handle POST_INC and LO_SUM register stores. Document the
4969 changes and errors in rule 12 doco.
4971 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4972 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4973 (load_reg): Move closer to epilogue code.
4974 (DO_FRAME_NOTES): Define to control the following..
4975 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4976 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4978 (hppa_expand_epilogue): Likewise.
4980 2001-04-03 Richard Henderson <rth@redhat.com>
4982 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4983 * configure: Rebuild.
4985 2001-04-03 Richard Henderson <rth@redhat.com>
4987 * rtl.h (LCT_THROW): New.
4988 * calls.c (emit_library_call_value_1): Handle it.
4989 * except.c (connect_post_landing_pads): Use it.
4991 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4993 * gansidecl.h: Delete file.
4994 * configure.in: Change all refs to gansidecl.h to use
4995 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4997 * configure: Regenerate.
4999 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5000 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5001 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5002 Don't include gansidecl.h.
5003 * intl.c, main.c, version.c, fixinc/fixlib.h,
5004 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5007 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5009 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5012 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5014 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5015 config/i386/xm-next.h, config/i386/xm-sco.h,
5016 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5017 config/m88k/xm-m88k.h: Delete.
5019 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5020 * config/romp/xm-romp.h: Don't define bcopy.
5021 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5022 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5024 * config.gcc: Remove references to deleted files.
5026 14 xm-host.h remain, 1 xm-cpu.h.
5028 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5029 David S. Miller <davem@pierdol.cobaltmicro.com>
5030 Andrew MacLeod <amacleod@redhat.com>
5032 Use byte offsets in SUBREGs instead of words.
5034 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5035 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5036 to pass new argument.
5037 (add_stored_regs): Use subreg_regno_offset function.
5038 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5040 (precompute_arguments): Use gen_lowpart_SUBREG.
5041 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5042 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5043 (simplify_set): Rework to use SUBREG_BYTE.
5044 (expand_field_assignment): Use SUBREG_BYTE.
5045 (make_extraction): Use SUBREG_BYTE.
5046 (if_then_else_cond): Use SUBREG_BYTE.
5047 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5048 (gen_lowpart_for_combine): Compute full byte offset.
5049 * cse.c (mention_regs): Use SUBREG_BYTE.
5050 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5051 (canon_hash): Use SUBREG_BYTE.
5052 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5053 (gen_lowpart_if_possible): Formatting.
5054 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5056 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5057 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5058 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5059 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5060 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5061 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5062 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5063 certain invariants about SUBREGs the compiler creates.
5064 (gen_lowpart_SUBREG): New function.
5065 (subreg_hard_regno): New function to get the final register number.
5066 (gen_lowpart_common): Use SUBREG_BYTE.
5067 (gen_imagpart): Spacing nits.
5068 (subreg_realpart_p): Use SUBREG_BYTE.
5069 (gen_highpart): Use SUBREG_BYTE.
5070 (subreg_lowpart_p): Always compute endian corrected goal offset,
5071 even at the byte level, then compare against that.
5072 (constant_subword): New function, pulled out all constant cases
5073 from operand_subword and changed second argument name to offset.
5074 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5075 and call constant_subword to do the work. Return const0_rtx if
5076 looking for a word outside of OP.
5077 (operand_subword_force): Change second arg name to offset.
5078 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5079 (store_split_bit_field): Use SUBREG_BYTE.
5080 (extract_bit_field): Use SUBREG_BYTE.
5081 (extract_split_bit_field): Use SUBREG_BYTE.
5082 (expand_shift): Use SUBREG_BYTE.
5083 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5084 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5085 * flow.c (set_noop_p): Use SUBREG_BYTE.
5086 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5087 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5088 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5090 (optimize_bit_field): Use SUBREG_BYTE.
5091 (purge_addressof_1): Use SUBREG_BYTE.
5092 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5093 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5094 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5095 * gengenrtl.c (special_rtx): Add SUBREG.
5096 * global.c (mark_reg_store): Use SUBREG_BYTE.
5097 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5098 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5099 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5100 final byte offset is congruent to subreg's mode size.
5101 (subst_constants): Use SUBREG_BYTE.
5102 (mark_stores): Use subreg_regno_offset function.
5103 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5104 function and SUBREG_BYTE.
5105 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5106 (reg_is_born): Use subreg_hard_regno.
5107 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5108 endian correction code. Don't combine subregs unless resulting
5109 offset aligns with type. Fix subreg constant extraction for DImode.
5110 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5111 (general_operand): Remove dead mode_altering_drug code.
5112 (indirect_operand): Use SUBREG_BYTE.
5113 (constrain_operands): Use subreg_regno_offset function.
5114 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5115 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5116 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5117 * regs.h (REG_SIZE): Allow target to override.
5118 (REGMODE_NATURAL_SIZE): New macro which target can override.
5119 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5120 on the entire subreg rtx.
5121 (push_reload): Use SUBREG_BYTE in comments and code.
5122 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5123 for hard registers inside subregs.
5124 (operands_match_p): Use subreg_regno_offset.
5125 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5126 containing hard regs.
5127 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5128 corrections when fixing up MEM subregs.
5129 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5130 subreg_regno_offset where appropriate.
5131 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5132 byte endian corrections when fixing up MEM subregs.
5133 (subst_reloads): When combining two subregs, make sure final
5134 offset is congruent to subreg's mode size.
5135 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5136 (refers_to_regno_for_reload_p): Use subreg_regno.
5137 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5138 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5139 correction code for memory subreg fixups.
5140 (forget_old_reload_1): Use subreg_regno_offset.
5141 (choose_reload_regs): Use subreg_regno.
5142 (emit_input_reload_insns): Use SUBREG_BYTE.
5143 (reload_combine_note_store): Use subreg_regno_offset.
5144 (move2add_note_store): Use subreg_regno_offset.
5145 * resource.c (update_live_status, mark_referenced_resources): Use
5146 subreg_regno function.
5147 (mark_set_resources): Use subreg_regno function.
5148 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5149 (subreg_regno_offset, subreg_regno): Define prototypes.
5150 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5151 (gen_lowpart_SUBREG): Add prototype.
5152 * rtl.texi (subreg): Update to reflect new byte offset representation.
5153 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5154 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5155 (reg_overlap_mentioned_p): Use subreg_regno.
5156 (replace_regs); Make sure final offset of combined subreg is
5157 congruent to size of subreg's mode.
5158 (subreg_regno_offset): New function.
5159 (subreg_regno): New function.
5160 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5161 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5162 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5163 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5164 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5165 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5166 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5167 (print_operand): Use SUBREG_BYTE.
5168 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5169 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5170 (arm_reload_out_hi): Use SUBREG_BYTE.
5171 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5172 instead of SUBREG_WORD.
5173 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5174 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5175 SUBREG creation to use byte offset.
5176 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5177 inverted load insns): Fix explicit rtl subregs to use byte
5179 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5180 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5181 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5182 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5183 to use byte offsets.
5184 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5185 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5186 offsets, also make sure it is congruent to SUBREG's mode size.
5187 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5188 unnamed ldob insn): Generate SUBREGs with byte offset.
5189 (zero_extendqihi2): SUBREG's are byte offsets.
5190 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5191 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5192 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5193 zero-extendqisi2): Generate SUBREGs with byte offset.
5194 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5195 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5196 subregs in rtl to use byte offsets.
5197 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5198 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5199 (mips_move_2words): Use subreg_regno_offset.
5200 (mips_secondary_reload_class): Use subreg_regno_offset.
5201 * config/mips/mips.md (DImode plus, minus, move, and logical op
5202 splits): Fixup explicit subregs in rtl to use byte offsets.
5203 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5204 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5205 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5206 rtl to use byte offsets.
5207 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5208 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5209 subregs to use byte offsets.
5210 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5211 Fixup explicit subregs in rtl to use byte offsets.
5212 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5213 and remove byte endian correction code.
5214 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5215 (gen_ashift_hi): Use SUBREG_BYTE.
5216 (regs_used): Use subreg_regno_offset.
5217 (machine_dependent_reorg): Use subreg_regno_offset.
5218 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5219 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5220 (movdf_i4): Subregs are byte offsets now.
5221 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5222 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5223 (REGMODE_NATURAL_SIZE): Override.
5224 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5225 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5227 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5228 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5229 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5230 it is congruent to SUBREG's mode size.
5231 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5233 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5234 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5235 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5236 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5237 * config/v850/v850.c (print_operand, output_move_double): Use
5238 subreg_regno function.
5240 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5242 * configure.in (target_subdir): Use target_alias, not target.
5243 * configure: Rebuilt.
5245 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5247 * config/sh/crti.asm: Fix typos in comments.
5249 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5251 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5252 TARGET_FAST_INDIRECT_CALLS.
5253 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5255 (return_addr_rtx): Short circuit export stub matching when
5256 TARGET_NO_SPACE_REGS.
5257 (output_millicode_call): For out of range calls, make -fPIC
5258 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5259 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5260 * pa.md: Modify length attr calculation of all millicode insns to
5263 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5265 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5266 Require at least 2.11 in the version test. Specifically check
5267 for and reject GAS version 2.10.90.
5268 * configure: regenerate.
5270 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5272 * pa.c (override_options): Remove PIC profiling warning.
5273 (hp_profile_labelno): Delete.
5274 (hp_profile_label_rtx): Delete.
5275 (hp_profile_label_name): Delete.
5276 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5277 (output_function_prologue): Remove profiling code and all tests on
5278 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5279 merge_sp_adjust_with_store can work for PIC and profiling.
5280 (hppa_expand_epilogue): Remove profile_flag test.
5281 (hppa_can_use_return_insn_p): Likewise.
5282 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5283 cater for PROFILE_HOOK.
5284 (hppa_profile_hook): New function.
5285 * pa.h (FUNCTION_PROFILER): Now does nothing.
5286 (PROFILE_HOOK): Define.
5287 (hppa_profile_hook): Declare.
5288 (PROFILE_BEFORE_PROLOGUE): Delete.
5289 (ASM_OUTPUT_REG_PUSH): Delete.
5290 (ASM_OUTPUT_REG_POP): Delete.
5291 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5292 r24. Accept function name operand, and use this and a locally
5293 generated label to calculate pc-rel offset to func start.
5295 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5297 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5298 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5301 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5303 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5304 LO_SUM cases to where they belong.
5306 2001-04-02 Richard Henderson <rth@redhat.com>
5308 * except.h (lang_eh_type_covers): Mark extern.
5309 (lang_eh_runtime_type): Likewise.
5311 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5313 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5314 gengenrtl.c: Wrap generated header in multiple-include guard.
5315 Improve error checking.
5317 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5319 * configure.in: Don't check for putenv.
5320 * configure: Regenerate.
5321 * gcc.c (putenv): Don't define.
5322 * vax/xm-vms.h: Handle putenv.
5324 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5326 * ifcvt.c (noce_emit_move_insn): New.
5327 (noce_try_store_flag, noce_try_store_flag_constants,
5328 noce_try_store_flag_inc, noce_try_store_flag_mask,
5329 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5330 noce_try_abs): Use it.
5331 (noce_process_if_block): Likewise.
5332 For STRICT_LOW_PART, take mode from its SUBREG.
5334 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5336 * fold-const.c (fold): Before optimizing unsigned comparison with
5337 0x7fffffffU, make sure arg0 is integral type.
5339 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5341 * c-tree.texi: Document representation of wide strings.
5343 2001-04-01 Richard Henderson <rth@redhat.com>
5345 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5347 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5349 * i386.md: remove obsoleted comments.
5350 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5351 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5352 fix output template.
5354 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5356 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5358 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5360 * loop.c (load_mems): When generating a load from a pseudo, update
5363 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5365 * i386.c (ix86_split_long_move): Use change address to compensate
5366 stack pointer change in push instruction.
5368 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5370 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5371 instead of rtx_equal_p; fix the output template.
5373 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5375 * i386.c (ix86_expand_setcc): Support 64bit.
5376 (ix86_expand_int_movcc): Likewise.
5377 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5380 * i386.md (allocate_stack_worker): Turn to expander.
5381 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5383 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5385 2001-03-29 Richard Henderson <rth@redhat.com>
5387 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5389 2001-03-28 Matthew Hiller <hiller@redhat.com>
5391 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5394 * MAINTAINERS: Added self.
5396 2001-03-28 Richard Henderson <rth@redhat.com>
5398 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5399 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5401 2001-03-28 Jim Wilson <wilson@redhat.com>
5403 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5406 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5408 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5410 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5413 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5415 2001-03-28 DJ Delorie <dj@redhat.com>
5417 * Makefile.in (stage1_build): Revert CFLAGS patch.
5419 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5421 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5422 when multiplier or multiplicand is zero.
5424 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5426 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5428 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5430 (set_src_needs_barrier): Likewise.
5431 (rtx_needs_barrier): For SET case, use these two functions. Rework
5432 PARALLEL case to handle all inputs before all outputs.
5433 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5434 saw a label and no stop bit since then.
5435 (maybe_rotate, process_epilogue): Add prototypes.
5437 2001-03-28 Richard Henderson <rth@redhat.com>
5439 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5440 not TARGET_TOC for special toc restore handling.
5441 * config/rs6000/rs6000.md (eh_return): Likewise.
5443 2001-03-28 Richard Henderson <rth@redhat.com>
5445 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5446 current_function_calls_eh_return.
5447 (output_function_epilogue): Handle eh_return.
5448 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5449 (EH_RETURN_DATA_REGNO): New.
5450 (EH_RETURN_STACKADJ_RTX): New.
5451 (EH_RETURN_HANDLER_RTX): New.
5452 * config/sparc/sparc.md (call/short branch peepholes): Check
5453 can_throw_internal instead of in_same_eh_region.
5455 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5456 for eh_return data registers.
5457 (rs6000_emit_prologue): Save eh_return data registers.
5458 (rs6000_emit_epilogue): Force inline restores if eh_return.
5459 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5460 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5461 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5462 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5463 the target uses one.
5464 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5465 (return_eh_si, return_eh_di): Remove.
5466 (eh_return): New, from corpse of eh_epilogue.
5467 (eh_set_lr_si, eh_set_lr_di): New.
5469 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5470 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5471 True for pic register if current_function_calls_eh_return.
5472 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5473 Handle eh_return requirements.
5474 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5475 (EH_RETURN_STACKADJ_RTX): New.
5476 * config/i386/i386.md (exception_receiver): Remove.
5477 (eh_return, eh_return_1): New.
5478 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5480 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5481 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5482 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5483 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5484 (EH_RETURN_DATA_REGNO): New.
5485 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5486 * config/alpha/alpha.md (eh_epilogue): Remove.
5487 (exception_receiver): Use $26 for ldgp input.
5488 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5490 2001-03-28 Richard Henderson <rth@redhat.com>
5492 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5493 * except.h: Likewise.
5495 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5496 (LIB2ADDEHDEP): New.
5497 (LIB2FUNCS_EH): Remove.
5498 (LIB2ADD): Remove LIB2ADDEH.
5499 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5500 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5501 (crt{begin,end}[S].o): Likewise.
5502 (except.o): Update includes.
5503 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5504 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5506 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5507 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5508 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5509 * builtins.c (expand_builtin): Implement it.
5510 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5511 * c-common.c (c_common_nodes_and_builtins): Declare it.
5512 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5513 * calls.c (libfunc_nothrow): Remove.
5514 (emit_library_call_value_1): Don't call it.
5515 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5516 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5517 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5518 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5519 (current_funcdef_number): Globalize.
5520 (output_call_frame_info): Emit frame data if an lsda is needed.
5521 Generate augmentation for personality routine. Don't play with
5523 (dwarf2out_begin_prologue): Record funcdef_number.
5524 * dwarf2out.h (current_funcdef_number): Declare.
5525 * expr.c (expand_expr): Update for except.h name changes.
5526 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5527 * expr.h (LTI_throw, LTI_rethrow): Remove.
5528 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5529 (LTI_eh_rtime_match): Remove.
5530 (LTI_unwind_resume, LTI_eh_personality): Add.
5531 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5532 * final.c (final): Don't call check_exception_handler_labels,
5533 init_insn_eh_region, or free_insn_eh_region.
5534 (final_scan_insn): Always emit debug labels for
5535 NOTE_INSN_EH_REGION notes.
5536 * flags.h (flag_new_exceptions): Remove.
5537 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5538 (record_active_eh_regions): Remove.
5539 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5540 Use can_throw_internal.
5541 (find_basic_blocks_1): Likewise.
5542 (move_stray_eh_region_notes): Remove.
5543 (find_label_refs): No eh_return_stub_label.
5544 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5545 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5547 (delete_unreachable_blocks): Don't track deleted handlers.
5548 (flow_delete_block): Use maybe_remove_eh_handler.
5549 (delete_eh_regions): Remove.
5550 (merge_blocks): Don't check for eh region match.
5551 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5552 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5553 (init_propagate_block_info): Disable dead frame store optimization
5554 when current_function_calls_eh_return.
5555 (dump_bb): Don't print eh_beg, eh_end.
5556 * function.c (fixup_var_refs): No catch_clauses.
5557 (expand_function_end): Likewise. Call expand_eh_return before
5558 the return register use. Call sjlj_emit_function_exit_after.
5559 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5560 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5561 * ifcvt.c (dead_or_predicable): Remove eh region check.
5562 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5563 Don't check for EH vs parameters.
5564 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5565 (expand_inline_function): Call duplicate_eh_regions.
5566 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5567 (copy_insn_notes): Remap REG_EH_REGION notes.
5568 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5569 * integrate.h (struct inline_remap): Add local_return_label.
5570 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5571 check_exception_handler_labels, nor exception_optimize.
5572 (find_cross_jump): No EH region check.
5573 * optabs.c (init_optabs): Update for changed eh libfuncs.
5574 * rtl.def (RESX): New.
5575 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5576 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5577 checks. Update for except.h name changes.
5578 (expand_cleanups): Likewise.
5579 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5580 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5581 (compile_file): Call init_eh before init_optabs. Don't
5582 output_exception_table here.
5583 (rest_of_compilation): Call convert_from_eh_region_ranges,
5584 convert_to_eh_region_ranges, output_function_exception_table.
5585 Don't emit_eh_context.
5586 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5587 (EXC_PTR_EXPR): New.
5589 * md.texi (eh_epilogue): Remove.
5590 (eh_return): Document.
5591 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5592 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5594 * eh-common.h: Remove file.
5595 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5596 * libgcc2.c (L_eh): Remove.
5598 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5599 * unwind-dw2-fde.h: New file.
5600 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5601 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5602 * libgcc-std.ver: Update for eh symbols.
5604 2001-03-27 Richard Henderson <rth@redhat.com>
5606 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5607 reduce false positives.
5608 (regmove_optimize): Disable if flag_non_call_exceptions.
5610 * stmt.c (expand_return): Remove always true predicate.
5611 (expand_decl_cleanup_no_eh): Remove dead code.
5613 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5614 barrier code. Add a scheduling barrier if a non-call insn
5615 can throw internally.
5617 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5618 Auto-inc addresses trap only if their base register does.
5620 * except.c (can_throw_internal): Rename from can_throw.
5621 * except.h, resource.c: Update references.
5623 * integrate.c (copy_insn_list): Use returnjump_p.
5624 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5626 * function.h (struct function): Move all boolean valued fields
5627 to single bit fields at the end of the struct.
5629 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5631 Rename asynchronous_exceptions to flag_non_call_exceptions.
5633 * gthr-single.h (UNUSED): New. Distinguish between how C
5634 and C++ mark unused function arguments. Use throughout.
5636 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5637 value to target configuration header.
5638 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5639 * config.in, configure: Rebuild.
5640 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5641 configuration and target defines.
5642 (exceptions_via_longjmp): Remove.
5643 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5644 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5646 * except.h (flag_non_call_exceptions): Move ...
5647 * flags.h: ... here.
5649 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5650 exceptions, put the note on the trapping instruction.
5652 * flags.h (flag_new_exceptions): Remove.
5653 * toplev.c: Don't set it.
5654 * final.c: Don't check it.
5655 * except.c: Provide stub definition.
5657 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5658 (calculate_global_regs_live): Kill call-clobbered registers
5659 across exception edges.
5660 * reg-stack.c (convert_regs_1): Kill the entire target stack
5661 across non-call exception edges.
5663 * flow.c (cleanup_cfg): Take no argument.
5664 * output.h, sibcall.c, toplev.c: Update all calls.
5666 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5668 * configure.in: Don't check for bcopy.
5669 * configure, config.in: Regenerate.
5671 * system.h: Don't define or prototype bcopy, instead poison it.
5673 2001-03-27 Richard Henderson <rth@redhat.com>
5675 * function.c (expand_function_start): Set DECL_REGISTER on
5676 a pseudo used for DECL_RESULT.
5678 * rtl.h (LCT_NORETURN): New.
5679 * calls.c (emit_library_call_value_1): Handle it.
5681 2001-03-27 Stan Shebs <shebs@apple.com>
5683 * objc/objc-act.c (objc_init): Use dump_base_name.
5684 (gen_declaration): Clear the buffer arg.
5685 (gen_declaration_1): New function, body of gen_declaration.
5686 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5687 (gen_method_decl): Ditto, plus always clear buffer arg.
5688 (error_with_ivar): Simplify.
5689 (warn_with_method): Ditto.
5690 (build_message_expr): Don't clear buffers.
5691 (dump_interface): Ditto.
5692 (objc_debug): Ditto.
5693 (build_keyword_selector): Clear the buffer by only zeroing
5695 (objc_implementation_context): Declare.
5696 (start_class): Warn about missing @end.
5697 (finish_objc): Ditto.
5699 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5701 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5703 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5705 * Makefile.in (SYSTEM_H): Define.
5706 Depend on $(SYSTEM_H), not system.h.
5708 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5710 2001-03-27 Jim Wilson <wilson@redhat.com>
5712 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5714 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5715 (process_epilogue): New static function.
5716 (process_set): Call process_epilogue instead of emitting .restore
5718 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5720 * flow.c (struct reg_cond_life_info): New fields orig_condition
5722 (init_propagate_block_info): Set new fields.
5723 (mark_regno_cond_dead): Set and use new fields.
5724 (flush_reg_cond_reg_1): Likewise.
5725 (and_reg_cond, case AND): Check for redundant AND conditions.
5726 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5729 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5731 * cppmacro.c (stringify_arg): Null terminate strings.
5733 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5735 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5736 inclusion style. xm-m68hc11.h no longer exists.
5737 * config/m68hc11/xm-m68hc11.h: Delete file.
5738 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5740 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5741 Don't define GCC_VERSION, N_, or PARAMS; don't include
5742 gansidecl.h or stdio.h. Define inhibit_libc here.
5743 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5744 Delete code conditioned on #if GCC_VERSION == 2095.
5746 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5747 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5748 Delete code conditioned on #if GCC_VERSION == 2095.
5750 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5752 * system.h: Include symcat.h.
5753 (STRINGIFY): Don't define.
5755 * configure.in: Adjust comment.
5757 * builtins.c: Use STRINGX, not STRINGIFY.
5758 * gencheck.c: Likewise.
5759 * gengenrtl.c: Likewise.
5760 * protoize.c: Likewise.
5762 * cpplex.c: Don't include symcat.h.
5763 * cpplib.c: Likewise.
5765 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5767 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5769 * c-typeck.c (digest_init): Fold init expression.
5771 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5773 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5775 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5777 * except.c (eh_regs): Save results of build_pointer_type to a temp
5778 as FUNCTION_VALUE macro may evaluate its args multiple times.
5780 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5782 * c-common.h (DECL_NUM_STMTS): New macro.
5783 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5785 (pushdecl): Likewise.
5786 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5787 * integrate.c (expand_inline_function): Don't check
5789 * print-tree.c (print_node): Don't print it.
5790 * toplev.c (rest_of_compilation): Don't try to inline when
5791 flag_no_inline is on.
5792 * tree.h (DECL_FRAME_SIZE): Remove.
5793 (tree_decl): Adjust accordingly.
5795 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5797 * combine.c (try_combine): Use memcpy, not bcopy.
5799 * genattrtab.c (expand_units): Likewise.
5801 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5803 * i386.md (push mem DI peep2): New.
5804 (mov 0, mov -1 peep2): Handle 64bit.
5805 (lea to arithmetics peep2): Handle 64bit leas.
5806 (rsp arithmetics to push/pop peep2s): New.
5808 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5810 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5812 * i386.c (struct machine_function): Add save_varrargs_registers.
5813 (ix86_save_varrargs_registers): New macro.
5814 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5815 (ix86_expand_prologue): Likewise.
5816 (ix86_emit_epilogue_esp_adjustement): Likewise.
5817 (ix86_expand_epilogue): Likewise.
5818 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5819 (pro_epilogue_adjust_stack_1): New insn.
5820 (pro_epilogue_adjust_stack_rex64): Likewise.
5821 * i386.h (MASK_NO_RED_ZONE): New constant.
5822 (TARGET_RED_ZONE): New macro.
5823 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5824 (RED_ZONE_SIZE): New constant.
5825 (RED_ZONE_RESERVE): New constant.
5827 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5829 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5831 2001-03-25 Kazu Hirata <kazu@hxi.com>
5833 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5836 (umodhi3): Likewise.
5839 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5841 * mkconfig.sh (DEFINES): Handle entries with '='.
5843 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5844 Set xm_defines to MACRO=value instead.
5846 * i370/xm-mvs.h: Delete.
5848 * ns32k/xm-pc532-min.h: Likewise.
5850 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5852 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5854 use ix86_expand_binary_operator
5855 (?sh??i_?): Disable for 64bit.
5856 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5857 * i386.c (shiftdi_operand): New predicate.
5859 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5860 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5861 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5862 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5863 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5864 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5865 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5866 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5867 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5868 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5869 (rotldi3, rotrdi3): New expanders.
5871 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5873 * i386.md (movstrsi): Move offline.
5875 (strmovdi_rex64): New.
5876 (strmov?i): Accept 64bit.
5877 (strmov?i_rex64): New.
5878 (strmov?i_rex_1): New.
5879 (strmov?i_1): Disable for 64bit.
5880 (rep_mov?i_rex64): New.
5881 (rep_mov?i): Disable for 64bit.
5882 (clrstrsi): Move offline.
5883 (strset?i_rex64): New.
5884 (strset?i: Accept 64bit.
5885 (rep_stos?i): Disable for 64bit.
5886 (rep_stos?i_rex64): New.
5887 (strset?i_rex_1): New.
5888 (strset?i_1): Disable for 64bit.
5889 (cmpstrsi): Accept 64bit.
5890 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5891 (cmpstrqi_nz_rex_1): New.
5892 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5893 (strlensi): Move offline.
5895 (strlenqi_1): Disable for 64bit; fix constraints.
5896 (strlenqi_rex_1): New.
5897 * i386.c (ix86_adjust_counter): New static function.
5898 (ix86_zero_extend_to_Pmode): Likewise.
5899 (ix86_expand_aligntest): Likweise.
5900 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5901 (ix86_expand_movstr): New global function.
5902 (ix86_expand_clrstr): New global function.
5903 (ix86_expand_strlen): New global function.
5904 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5905 ix86_expand_strlen): Declare.
5906 (ix86_expand_strlensi_unroll_1): Delete.
5908 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5910 * i386.md (cmpdi): Fix operand predicates.
5911 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5912 cmpdi_1_insn_rex64): New patterns.
5913 (adddi3): Turn to expander.
5914 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5915 (addsi3_carry_zext): New pattern.
5916 (adddi_?_rex64): New patterns and splitters.
5917 (addsi_?_zext): New patterns.
5918 (subsi3_carry_zext): New pattern.
5919 (subdi_?_rex64): New patterns and splitters.
5920 (iorsi_?_zext): New patterns.
5921 (iordi_?_rex64): New patterns and splitters.
5922 (iorsi_?_zext): New patterns.
5923 (iorsi_?_zext_imm): New patterns.
5924 (xorsi_?_zext): New patterns.
5925 (xordi_?_rex64): New patterns and splitters.
5926 (xorsi_?_zext): New patterns.
5927 (negdi*): New patterns.
5928 (one_cmpldi*): Likewise.
5929 (one_cmplsi*_zext, negsi*_zext): Likewise.
5930 (testqi_ext_3_rex64): New pattern.
5932 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5934 * i386-protos.h (ix86_split_long_move): Return void.
5935 * i386.c (ix86_split_to_parts): Handle 64bit target.
5936 (ix86_split_long_move): Likewise.
5937 * i386.md (all calls to ix86_split_long_move): Update.
5939 2001-03-23 Richard Henderson <rth@redhat.com>
5941 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5942 to avoid shadowing arguments.
5944 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5946 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5947 to variable names where DECL_NAME is different from
5948 DECL_ASSEMBLER_NAME.
5950 2001-03-23 Jim Wilson <wilson@redhat.com>
5952 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5953 (assemble_alias): Call make_decl_rtl.
5955 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5957 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5959 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5961 * extend.texi: Document the "java_interface" attribute.
5963 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5965 * mkconfig.sh: Use a subshell with redirected stdout,
5966 instead of closing stdout and confusing commands that run
5967 afterward. Throw away output of cmp.
5969 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5971 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5973 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5975 * i386.md (zero_extendsidi2_32): Break out from ...
5976 (zero_extendsidi2): ... here ; turn to expander.
5977 (zero_extendsidi2_rex64): New.
5978 (extendsidi2_32): Break out from ...
5979 (extendsidi2): ... here ; turn to expander.
5980 (extendsidi2_rex64): New.
5981 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5982 (trunc?f?f splitters): Add 64bit versions.
5984 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5986 * i386.md (pushsi, pushsi2_prologue): Disable.
5987 (pushsi2_rex64): New.
5988 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5989 (movqi_ext_1): Disable for 64bit.
5990 (movqi_ext_1_rex64): New.
5991 (pushdi2_rex64): New pattern, peep2s and splitter.
5992 (pushdi2_prologue_rex64): New pattern.
5993 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5995 (movdi splitters): Disable for 64bit.
5996 (movdi_1_rex64): New pattern, peep2s and splitters.
5997 (swapdi): New pattern.
5998 (pushsf): Disable for 64bit.
5999 (pushsf_rex64): New pattern and splitter.
6000 (pushdf_nointeger): Disable for 64bit.
6001 (pushdf_integer): Handle the 64bit case.
6002 (pushtf): Likewise; update splitters.
6004 2001-03-22 Richard Henderson <rth@redhat.com>
6006 * mkconfig.sh: Include insn-flags.h.
6007 * Makefile.in (CONFIG_H): Include insn-flags.h.
6008 (lots of objects): Remove insn-codes.h and insn-flags.h.
6010 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6011 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6012 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6013 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6014 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6015 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6016 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6017 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6018 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6019 v850/v850.c, vax/vax.c:
6020 Don't include insn-flags.h.
6022 * diagnostic.c, expr.h, reload.c, toplev.c:
6023 Don't include insn-codes.h.
6025 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6026 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6027 c4x/c4x.c, i960/i960.c, mips/mips.c:
6028 Don't include insn-codes.h or insn-flags.h.
6030 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6031 or insn-flags.h in the generated code.
6032 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6033 (main): Forward declare struct rtx_def.
6035 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6037 * invoke.texi (-ffast-math): Remove duplicate line about
6040 * gcc.texi: Remove more obsolete documentation of bugs and
6041 installation problems.
6043 2001-03-21 Kazu Hirata <kazu@hxi.com>
6045 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6048 2001-03-20 Jason Merrill <jason@redhat.com>
6050 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6052 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6053 * varasm.c (CHKR_PREFIX): Likewise.
6055 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6057 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6058 is part of a multi-SET insn.
6060 * cse.c (find_comparison_args): Remove previous change.
6061 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6064 * config/i386/i386.md (conditional_trap): Remove warning.
6066 * recog.c (push_operand): Fix error in last change that caused
6067 undefined symbol on many targets.
6069 * sdbout.c: #include ggc.h.
6070 (sdbout_init): Move to end of file.
6071 Call ggc_add_tree_root for anonymous_types.
6072 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6073 (sdbout_one_type): Use DECL_NAME for field name.
6074 * Makefile.in (sdbout.o): Show includes ggc.h.
6076 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6078 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6079 (override_options): Use properlimits for preferred_stack_boundary.
6080 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6082 (ext_register_operand): Accept DImode.
6083 (load_pic_register): Abort on 64bit.
6084 (gen_push): Use Pmode instead of SImode.
6085 (ix86_save_reg): Pic reg is never used on 64bit.
6086 (ix86_expand_prologue): Likewise.
6087 (ix86_emit_save_regs): Use Pmode instead of SImode.
6088 (legitimate_address_p): Check displacement for 64bit.
6089 (print_operand): Avoid outputting of (%rip) on 64bit.
6090 (print_operand_address): Output (%rip) where possible.
6091 (split_di): Abort on 64bit registers.
6092 (ix86_expand_branch): DImode comparison is simple for x86_64.
6093 (memory_address_length): Recognize memory addresses formed using
6095 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6097 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6099 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6101 * recog.c (push_operand): Recognize new format of push instructions.
6103 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6105 * i386.md (pushqi1): New.
6106 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6107 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6108 x86_64_immediate_operand, x86_64_immediate_operand,
6109 x86_64_zext_immediate_operand): Declare.
6110 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6111 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6112 x86_64_immediate_operand, x86_64_immediate_operand,
6113 x86_64_zext_immediate_operand): define.
6114 * i386.h (PREDICATE_CODES): Add new predicates.
6116 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6118 * i386.md (pophi1, popqi1, pushqi1): Remove.
6120 * expr.c (emit_single_push_insn): New function.
6121 (move_by_pieces): Accept NULL as destination for push instructions.
6122 (gen_push_operand): Kill.
6123 (emit_push_insn): Pass NULL when pushing; avoid updating of
6124 stack_pointer_delta.
6125 * expr.h (gen_push_operand): Kill.
6127 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6129 * rtl.texi (COMPARE): Clarify documentation and reference section
6132 2001-03-20 Stan Shebs <shebs@apple.com>
6134 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6135 (get_object_reference): Ditto.
6136 (error_with_ivar): Use error_with_file_and_line.
6137 (warn_with_method): Use warning_with_file_and_line.
6139 2001-03-20 Tom Tromey <tromey@redhat.com>
6141 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6143 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6145 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6146 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6148 2001-03-20 DJ Delorie <dj@redhat.com>
6150 * Makefile.in (install-libgcc): Pass complete list of variables.
6151 (install-multilib): Ditto.
6153 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6155 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6156 drectve_section, switch_to_section.
6158 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6159 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6160 i386_pe_mark_dllimport.
6162 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6164 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6165 functions i386_pe_*.
6167 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6168 i386_pe_* functions with char * arguments.
6170 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6172 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6174 (movsi_ie): Introduce fpul store.
6176 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6178 * Makefile.in (OBJS): Remove hashtab.o.
6180 2001-03-19 Stan Shebs <shebs@apple.com>
6182 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6183 * c-lang.c (maybe_objc_method_name): Ditto.
6184 * c-tree.h (maybe_objc_method_name): Remove decl.
6186 2001-03-19 Tom Tromey <tromey@redhat.com>
6188 * gcc.c (init_gcc_specs): Fix comment.
6190 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6192 Compute DECL_ASSEMBLER_NAME lazily.
6193 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6194 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6195 (SET_DECL_ASSEMBLER_NAME): Likewise.
6196 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6197 (set_decl_assembler_name): Declare.
6198 (lang_set_decl_assembler_name): Likewise.
6199 * tree.c (lang_set_decl_assembler_name): New variab.e
6200 (set_decl_assembler_name): New function.
6201 (init_obstacks): Set lang_set_decl_assembler_name.
6202 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6203 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6204 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6205 where it's not necessary.
6206 (builtin_function): Likewise.
6207 (finish_decl): Likewise.
6208 * dbxout.c (dbxout_type_methods): Likewise.
6209 * ggc-common.c (ggc_mark_trees): Likewise.
6210 * profile.c (output_func_start_profiler): Likewise.
6211 * varasm.c (make_decl_rtl): Likewise.
6213 * cse.c (find_comparison_args): Update documentation. Fix
6214 mishandling of COMPARE operations.
6216 * tree.def (ABS_EXPR): Add documentation.
6217 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6219 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6221 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6223 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6225 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6226 Remove ia32 linux PIC kludge and move it...
6227 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6229 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6231 * i386.md (absdf2 expander): Fix 64bit case.
6233 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6235 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6237 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6239 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6241 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6243 * README.X11: Remove obsolete file.
6245 2001-03-18 Anthony Green <green@redhat.com>
6247 * config/pj/pj.h: Remove some trailing commas.
6248 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6250 2001-03-18 Richard Henderson <rth@redhat.com>
6252 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6253 * calls.c: ... here.
6254 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6255 defaults for them here.
6257 2001-03-17 Anthony Green <green@redhat.com>
6259 * config/pj/lib1funcs.S: Fix broken comment.
6260 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6263 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6265 * gcc.texi: Remove obsolete information relating to build and
6266 installation problems with enquire or the Pyramid C compiler.
6268 2001-03-17 Richard Henderson <rth@redhat.com>
6270 * dwarf2out.c (queue_reg_save): New.
6271 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6272 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6274 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6275 (cfa, cfa_store, cfa_temp): Make static.
6276 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6278 2001-03-17 Richard Henderson <rth@redhat.com>
6280 * integrate.h (struct inline_remap): Add local_return_label.
6281 * integrate.c (expand_inline_function): Initialize it and emit
6282 it after copy_insn_notes.
6283 (copy_insn_list): Don't store local_return_label here.
6284 (copy_insn_notes): New function split out from copy_insn_list.
6286 2001-03-17 Richard Henderson <rth@redhat.com>
6288 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6289 is generating .debug_line.
6290 (dwarf2out_init): Add main_input_filename to the file table first.
6291 * configure.in (as_dwarf2_debug_line): Test with file number 1
6292 instead of file number 0.
6294 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6296 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6297 (gen_rtx_combine): Deleted; all references changed as appropriate.
6298 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6300 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6302 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6304 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6307 2001-03-16 Jim Wilson <wilson@redhat.com>
6309 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6310 then set it to LOC_REG (79) instead of aborting.
6312 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6314 * gccbug.in: Remove high priority.
6316 2001-03-16 Richard Henerson <rth@redhat.com>
6318 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6319 output with a space instead of deleting it.
6320 * configure: Regenerate.
6322 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6324 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6325 handles the gory details of converting an object file into
6326 something that's safe to grep.
6327 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6328 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6329 newlines at either end of the string we're looking for.
6330 Make 'checking ...' message less stilted.
6331 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6332 ARM in-memory layout and its hypothetical converse. Don't
6333 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6334 HOST_WORDS_BIG_ENDIAN.
6336 * configure.in: Adjust for renamed macro. Move
6337 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6338 * configure, config.in: Regenerate.
6340 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6342 * fixinc/Makefile.in: Set SHELL.
6344 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6346 * fixinc/fixincl.c (fix_with_system): Quote file names before
6347 passing them to shell.
6349 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6351 * Makefile.in: Use fix-header$(build_exeext) instead
6354 2001-03-16 Richard Henderson <rth@redhat.com>
6356 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6357 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6358 (size_of_line_prolog): Remove.
6359 (output_line_info): Compute prologue size via label difference.
6360 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6362 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6363 assembler error when redefining file numbers.
6364 * config.in, configure: Rebuild.
6366 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6367 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6368 (dw2_asm_output_delta_uleb128): Likewise.
6369 (dw2_asm_output_delta_sleb128): Similarly.
6370 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6372 2001-03-16 Michael Meissner <meissner@redhat.com>
6374 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6376 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6378 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6380 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6381 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6382 being unsigned in ISO C and signed in traditional.
6383 (expand_prologue): Ditto.
6384 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6386 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6388 (divsi3,divdi3): Ditto.
6389 (modsi3,moddi3): Ditto.
6390 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6391 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6392 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6395 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6397 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6398 SSE based conditional moves on LTGT/UNEQ conditions;
6399 Canonicalize EQ to NE.
6400 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6401 (sse_mov?fcc_ne): New.
6403 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6405 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6407 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6408 register may be dead.
6410 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6412 * Makefile.in (hash.o): Depend on CONFIG_H.
6414 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6416 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6418 2001-03-15 Richard Henderson <rth@redhat.com>
6420 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6421 (ASM_OUTPUT_DWARF_PCREL): New.
6422 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6424 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6426 * cppfiles.c (stack_include_file): Use MAX of sysp.
6428 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6430 * config.gcc (ia64*-*-hpux*): New case.
6431 * config/ia64/hpux.h: New file for HP-UX support.
6432 * config/ia64/t-hpux: New file for HP-UX support.
6434 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6436 * fixinc/inclhack.def (irix_stdio_va_list): New.
6437 * fixinc/fixincl.x: Rebuilt.
6439 2001-03-15 Richard Henderson <rth@redhat.com>
6441 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6442 if provided by the target.
6443 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6444 (dw2_asm_output_addr): New.
6445 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6446 * dwarf2out.c (output_cfi): Use it for program addresses.
6447 (output_call_frame_info, output_die): Likewise.
6448 (output_aranges, output_line_info): Likewise.
6450 2001-03-15 Bruce Korb <bkorb@gnu.org>
6452 * gcc.c(main): make more rigorous
6453 * collect2.c(main): guard against ignoring SIGCHLD
6454 * protoize.c(main): ditto
6455 * gcc/fixinc/fixincl.c(initialize): ditto
6457 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6459 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6460 (sdbout_parms): Likewise.
6462 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6464 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6465 "widen" a destination that is already wider than a word. Also do
6466 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6468 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6470 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6472 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6474 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6476 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6478 * i960.h (i960_maxbitalignment,
6479 i960_last_maxbitalignment): Declare.
6480 * i960.c (i960_maxbitalignment,
6481 i960_last_maxbitalignment): Make global.
6482 (process_pragma): Delete.
6483 (i960_pr_align, i960_pr_noalign): Move from here ...
6484 * i960-c.c: ... to this new file.
6485 * t-960bare (i960-c.o): New rule.
6486 * t-vxworks960 (i960-c.o): Likewise.
6487 * config.gcc (i960-*-*): Define c_target_objs and
6490 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6492 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6493 without adding in rtx code and mode.
6495 * alias.c (init_alias_analysis): Don't use any rtx whose value
6496 varies as a known value.
6497 Delete a superfluous test.
6499 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6501 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6502 scheduling a stop bit.
6503 (ia64_emit_nops): Correctly handle ASMs.
6505 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6507 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6509 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6511 * cpp.texi: Update documentation for -include and -imacros.
6512 * cppfiles.c (struct include_file): Remove "defined" memeber.
6513 (find_or_create_entry): Make a copy of the file name, and
6515 (open_file): Update to ensure we use the simplified filename.
6516 (stack_include_file): Don't set search_from.
6517 (cpp_included): Don't simplify the path name here.
6518 (find_include_file): New prototype. Call search_from to
6519 get the start of the "" include chain. Don't simplify the
6521 (_cpp_execute_include): New prototype. Move diagnostics to
6522 do_include_common. Update.
6523 (_cpp_pop_file_buffer): Don't set defined.
6524 (search_from): New prototype. Use the preprocessor's cwd
6525 for files included from the command line.
6526 (read_name_map): Don't simplify the pathname here.
6527 * cpphash.h (enum include_type): New.
6528 (struct buffer): Delete search from. New search_cached.
6529 (_cpp_execute_include): Update prototype.
6530 * cppinit.c (do_includes): Use _cpp_execute_include.
6531 * cpplib.c (do_include_common): New function.
6532 (do_include, do_include_next, do_import): Use it.
6534 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6536 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6537 contents of the RTL, to determine the name of the object.
6539 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6541 * tree.h (DECL_RTL): Allocate RTL lazily.
6542 (SET_DECL_RTL): New macro.
6543 (DECL_RTL_SET_P): Likewise.
6544 (COPY_DECL_RTL): Likewise.
6545 (DECL_RTL_IF_SET): Likewise.
6546 * varasm.c (make_decl_rtl): Add assertions about the kind of
6547 declaration we are processing.
6548 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6549 (start_decl): Likewise.
6550 (finish_decl): Likewise.
6551 * c-semantics.c (emit_local_var): Likewise.
6552 * calls.c (expand_call): Likewise.
6553 * dbxout.c (dbxout_symbol): Likewise.
6554 * emit-rtl.c (unshare_all_rtl): Likewise.
6555 (unshare_all_decls): Likewise.
6556 (reset_used_decls): Likewise.
6557 * expr.c (store_constructor): Likewise.
6558 (safe_from_p): Likewise.
6559 (expand_expr): Likewise.
6560 * function.c (put_var_into_stack): Likewise.
6561 (instantiate_decls_1): Likewise.
6562 (assign_parms): Likewise.
6563 (expand_function_start): Likewise.
6564 (expand_function_end): Likewise.
6565 * ggc-common.c (gcc_mark_trees): Likewise.
6566 * integrate.c (function_cannot_inline_p): Likewise.
6567 (copy_decl_for_inlining): Likewise.
6568 (expand_inline_function): Likewise.
6569 (integrate_parm_decls): Likewise.
6570 (integrate_decl_tree): Likewise.
6571 * print-tree.c (print_node): Likewise.
6572 * reg-stack.c (stack_result): Likewise.
6573 * stmt.c (label_rtx): Likewise.
6574 (expand_return): Likewise.
6575 (expand_decl): Likewise.
6576 (expand_decl_cleanup): Likewise.
6577 (expand_anon_union_decl): Likewise.
6578 * toplev.c (check_global_declarations): Likewise.
6579 (rest_of_decl_compilation): Likewise.
6580 * tree.c (simple_cst_equal): Likewise.
6581 * objc/objc-act.c (generate_static_references): Likewise.
6583 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6585 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6586 gcc_AC_C_FLOAT_FORMAT): New macros.
6587 * configure.in: Add AC_PROG_CPP after CC tests;
6588 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6589 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6590 * configure, config.in: Regenerate.
6592 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6593 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6594 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6595 config/i370/xm-linux.h, config/i370/xm-oe.h,
6596 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6597 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6598 config/pa/xm-linux.h, config/pa/xm-pa.h,
6599 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6600 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6601 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6602 config/we32k/xm-we32k.h: Delete.
6604 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6605 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6606 config/vax/xm-vms.h: Don't define any of:
6607 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6609 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6611 * config.gcc: Remove references to deleted files.
6612 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6613 FATAL_EXIT_CODE, which is the same between oe and mvs).
6615 2001-03-14 DJ Delorie <dj@redhat.com>
6616 Vladimir Makarov <vmakarov@redhat.com>
6618 * config/i960/i960.c (i960_function_prologue): Compute size of
6619 frame according to number of registers actually saved there.
6621 2001-03-14 Richard Henderson <rth@redhat.com>
6623 * expr.c (emit_move_insn_1): Fix else if around #endif.
6625 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6628 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6631 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6633 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6634 (override_options): Parse cmodel string.
6635 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6636 * i386.h (TARGET_OPTIONS): Add "cmodel".
6637 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6639 (ix86_cmodel_string, ix86_cmodel): Declare.
6641 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6644 * i386.h (GENERAL_REG_P): Add missing REG_P.
6646 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6648 * configure.in: Use $gcc_cv_as instead of $as.
6649 * configure: Regenerated.
6651 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6653 * cppfiles.c (stack_include_file): Only increase the include
6654 count if we actually process the file properly, as opposed
6655 to treating it as length zero. Only call read_include_file
6656 if not DO_NOT_REREAD. Handle the -H include file output
6658 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6659 (cpp_included, find_include_file): Simplify pathnames after
6660 remapping them. If remapping, don't use the remapped file
6661 name's buffer as our scratch buffer.
6662 (cpp_pop_file_buffer): Replace the multiple include macro
6663 only if it isn't yet set.
6664 (read_name_map): Simplify remapped names when reading in.
6665 (remap_filename): Move code to code path that uses it.
6666 (_cpp_simplify_pathname): Return the input pointer.
6667 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6669 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6671 * expr.c (expand_expr): Revove bogus conditional.
6673 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6675 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6677 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6679 * reg-stack.c (stack_result): Unconditionally use
6680 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6682 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6684 * expr.c (emit_move_insn_1): Split push of complex value when
6685 no suitable push instruction exist.
6687 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6688 instead of QI_REG_P.
6690 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6692 * alias.c (handled_component_p, can_address_p): New functions.
6693 (get_alias_set): Use them.
6695 2001-03-13 Jim Wilson <wilson@redhat.com>
6697 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6698 from 80 in try_locals code.
6699 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6701 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6703 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6704 gcc_AC_C_LONG_LONG): New.
6705 * configure.in: Use them. Probe the size of short, int, long,
6706 and long long/__int64 if we have them. Move all the AC_C_*
6707 checks together, except gcc_AC_C_CHAR_BIT which has to go
6708 after AC_CHECK_HEADERS(limits.h).
6709 Take hwint.h out of host_xm_file and build_xm_file.
6711 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6712 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6713 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6714 Move the HOST_WIDEST_INT setup logic here from system.h.
6715 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6717 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6718 is now handled by hwint.h.
6720 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6721 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6722 config/ia64/xm-ia64.h: Don't define any of:
6723 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6724 HOST_BITS_PER_LONGLONG.
6726 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6727 config/h8300/xm-h8300.h, config/mips/iris6.h,
6728 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6729 config/sparc/xm-sp64.h: Delete.
6730 * config.gcc: Remove references to deleted files.
6732 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6733 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6734 * config/i370/xm-linux.h: Clarify floating-point situation in
6737 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6739 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6740 (find_include_file): Decide here which part of the include
6741 chain to start the search. Complain about an empty include
6742 chain in all cases apart from an abolsute file name.
6743 (_cpp_execute_include): Don't choose the search chain here.
6744 Don't call handle_missing_include in the case of an empty
6746 (_cpp_compare_file_date): Don't choose the search chain here.
6747 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6748 here from _cpp_execute_include. Behave like #include if
6749 we're in the main file.
6751 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6753 * system.h (malloc, realloc, calloc, strdup): Only poison these
6754 tokens when IN_GCC is defined.
6756 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6758 * i386.md (abs?f expander): Support SSE case.
6759 (abd?f_if): Add new "USE"; add splitters.
6761 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6763 * cpp.texi (poison): Explain the macro expansion exception.
6765 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6767 * expr.c (store_expr): Add dont_store_target. If temp is already in
6768 target before copying to reg, don't store it into target again.
6770 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6772 * cppinternals.texi: Update for file handling.
6774 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6776 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6777 2001-02-24 which broke building the Java library.
6778 * function.c (identify_blocks): Likewise.
6779 (all_blocks): Likewise.
6780 * integrate.c (integrate_decl_tree): Likewise.
6781 * print-tree.c (print_node): Likewise.
6782 * tree.h (BLOCK_NUMBER): Likewise.
6783 (struct tree_block): Likewise.
6785 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6787 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6788 __WCHAR_TYPE__ definition.
6789 (WCHAR_TYPE_SIZE): #undef before #define.
6791 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6793 * cppfiles.c: Update comments.
6794 (destroy_include_file_node): Rename destroy_node.
6795 (find_or_create_entry): New function.
6796 (open_file, _cpp_fake_include): Use it.
6797 (handle_missing_header): New function, broken out of
6798 _cpp_execute include. Don't segfault if there is no
6799 system or quoted path.
6800 (_cpp_execute_include): Use handle_missing_header.
6802 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6804 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6805 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6807 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6809 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6810 unless anti_dependence says they are.
6811 * alias.c (objects_must_conflict): If neither has a type specified,
6814 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6815 David Billinghurst <David.Billinghurst@riotinto.com>
6817 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6819 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6821 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6822 (*_one_bit): Remove type on the match_operand in attributes.
6824 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6826 * i386.c: Commit forgotten hunk in previous patch.
6827 (regclass_map): Add extended registers.
6828 (dbx_register_map): Add missing frame register.
6830 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6832 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6834 * i386.md (x86_sahf_1): Disable for 64bit.
6835 (popsi*, pophi*): Likewise.
6836 (pushqi, pushhi): Likewise.
6837 (movdi, pushdi): Likewise.
6838 (zero extend DImode splitter): Likewise.
6839 (adddi, minusdi splitter): Likewise.
6840 (umulsidi): Likewise.
6842 (mulsidi): Disable for 64bit
6843 (lshift:DI/ashift:DI): Disable for 64bit.
6844 (loop patterns): Likewise.
6845 (call_pop, call_value_pop expanders and patterns): Likewise.
6846 (prologue_get_pc): Likewise.
6848 (fcmovDI pattern and splitter): Likewise.
6849 (movdfcc_1_rex64): New.
6851 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6853 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6854 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6855 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6856 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6857 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6858 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6859 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6860 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6861 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6862 (REGPARM_MAX): Set to 6 for x86_64.
6863 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6864 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6867 * (patterns that does use upper halves): Update constraints
6868 'q' to 'Q' and 'r' to 'R'.
6869 (cmpqi_ext_1): Disable for 64bit.
6870 (cmpqi_ext_3_insn): Likewise.
6871 (movqi_extzv_1): Likewsie.
6872 (addqi_ext_1): Liekwsie
6873 (testqi_ext_1): Liekwsie
6874 (andqi_ext_1): Liekwsie
6875 (xorqi_ext_1): Liekwsie
6876 (cmpqi_ext_1_rex64): New.
6877 (cmpqi_ext_3_insn_rex64): Likewise.
6878 (movqi_extzv_1_rex64): Likewsie.
6879 (addqi_ext_1_rex64): Liekwsie
6880 (testqi_ext_1_rex64): Liekwsie
6881 (andqi_ext_1_rex64): Liekwsie
6882 (xorqi_ext_1_rex64): Liekwsie
6884 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6886 * configure.in: Move check for unsigned enumerated bitfields
6887 to macro in aclocal.m4. Disable it for now.
6888 * configure, config.in: Regenerate.
6889 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6890 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6891 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6892 kind above its first use.
6894 * config/xm-interix.h, config/alpha/xm-alpha.h,
6895 config/i370/xm-linux.h, config/i386/xm-beos.h,
6896 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6897 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6898 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6899 Don't define ONLY_INT_FIELDS under any circumstances.
6901 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6903 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6904 config/sparc/xm-sysv4.h: Delete - now identical with some
6906 * config.gcc (hppa targets): Replace xm-pahpux.h and
6907 xm-papro.h with implicit xm-pa.h.
6908 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6911 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6913 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6914 before reload_cse_noop_set_p.
6916 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6918 * config.gcc: Where xm-host.h used to include another
6919 xm-host.h, list the nested header directly in xm_file. Remove
6920 references to deleted files. Can now use sparc/xm-sp64.h for
6923 * config/xm-linux.h, config/arm/xm-linux.h,
6924 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6925 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6926 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6927 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6928 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6931 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6932 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6933 bother to wrap #undef in #ifdef.
6934 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6935 Don't include xm-linux.h.
6936 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6938 * configure.in: Wrap regexps using [] in changequote block.
6939 Use expr : not echo | grep. Simplify regexps.
6940 * configure: Regenerate.
6942 56 xm-files remain, 22 xm-arch.
6944 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6946 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6947 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6948 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6949 (copy_object): Fix format specifier vs argument mismatch.
6951 * mips-tdump.c: Make local functions static.
6952 (rindex): Don't #undef.
6953 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6954 (fatal, fancy_abort): Delete.
6955 (read_seek): Avoid signed/unsigned compare.
6957 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6959 * combine.c (try_combine): Fix error in change to try original
6961 (gen_rtx_combine): Do same as gen_rtx for now.
6963 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6965 * configure.in: AC_SUBST xm_defines.
6966 * configure: Regenerate.
6967 * Makefile.in: Set DEFINES=$(xm_defines) when building
6970 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6972 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6973 (cpp_included, find_include_file): Update.
6974 (_cpp_compare_file_date): Make else unconditional.
6976 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6978 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6980 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6982 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6983 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6985 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6987 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6988 if it's a record type.
6990 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6992 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6993 mingw includes slightly.
6995 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6997 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6998 #undef token before poisoning it.
7000 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7002 * alpha.c (check_float_value): Use memcpy, not bcopy.
7004 * m32r.c (m32r_sched_reorder): Likewise.
7006 * vax.c (check_float_value): Likewise.
7008 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7010 * toplev.c (file_name_nondirectory): Remove.
7011 * toplev.h: Similarly.
7012 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7013 of file_name_nondirectory.
7015 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7017 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7018 * mips-tfile.c: Don't #undef rindex; not used.
7020 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7022 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7023 (dbx64_register_map): Declare.
7024 (RETURN_ADDR_RTX): Fix for 64bit.
7025 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7026 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7027 * i386.c (dbx64_register_map): New global array.
7028 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7029 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7032 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7034 * cppfiles.c (search_from): Use lbasename.
7035 * mkdeps.c (deps_add_default_target): Use lbasename.
7037 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7039 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7040 xcalloc in lieu of malloc, realloc & calloc.
7042 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7044 * gengenrtl.c (xmalloc): Likewise.
7046 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7047 really_call_* memory allocation routines.
7049 * stmt.c (check_for_full_enumeration_handling): Use
7050 really_call_calloc, not calloc.
7052 * system.h (really_call_malloc, really_call_calloc,
7053 really_call_realloc): Define.
7054 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7056 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7058 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7060 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7062 * configure: Rebuilt.
7063 * configure.in: Only use `lang_requires' for languages athat are
7066 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7068 * invoke.texi: Fix typo.
7069 * gcc.1: Regenerate.
7071 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7073 * configure.in: Prune nonexistent files from build_xm_file,
7074 xm_file, and host_xm_file lists. Warn unless they're
7076 Don't generate *config.h here.
7077 AC_SUBST all variables needed to generate *config.h.
7078 * configure: Regenerate.
7079 * mkconfig.sh: New helper script, from code removed from
7081 * Makefile.in: Zap all MALLOC variables - no longer used
7082 anywhere, and malloc.c doesn't exist.
7083 Substitute in variables needed to generate *config.h.
7084 Stop lying about the dependencies contained in CONFIG_H and
7086 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7087 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7088 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7089 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7090 $(TM_P_H), etc. as appropriate.
7092 * config.gcc: Zap references to deleted files.
7093 * ggc-none.c: Don't include rtl.h or tm_p.h.
7095 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7096 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7097 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7098 config/i386/xm-linux.h, config/i386/xm-linux.h,
7099 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7100 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7101 Don't include i386/xm-i386.h.
7103 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7104 config/i386/xm-i386.h, config/i860/xm-i860.h,
7105 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7106 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7107 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7108 Delete (empty except comments, #includes of other deleted
7109 files, and macros used nowhere).
7111 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7113 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7114 independent on TARGET_FLAGS.
7116 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7118 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7120 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7122 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7124 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7125 LAST_REX_SSE_REG): define.
7126 (enum reg_class): Add 'LEGACY_REGS'
7127 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7128 (SSE_REGNO_P): Recognize extended registers.
7129 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7130 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7131 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7132 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7133 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7134 REG_OK_FOR_STRREG_P): Remove.
7135 (HI_REGISTER_NAMES): Add extended registers.
7136 (ADDITIONAL_REGISTER_NAMES): Likewise.
7137 (QI_REGISTER_NAMES): Add 8bit extended registers.
7138 (DEBUG_REG): Support extended registers.
7139 * i386.c (regclass_map): Add extended registers.
7140 (dbx_register-map): Likewise.
7141 (svr4_dbx_register_map): Likewise.
7142 (print_reg): Support extended registers.
7143 (print_operand): Support 64bit operands.
7145 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7147 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7148 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7149 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7150 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7151 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7152 STACK_BOUNDARY): Set properly for 64bits.
7153 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7154 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7155 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7156 (MOVE_MAX): Set to 16.
7157 (MOVE_MAX_PIECES): 8 for 64bit.
7158 (Pmode): Set to SImode.
7160 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7162 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7164 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7166 * i386.h (mask_64bit): New constant.
7167 (target_64bit): New macro.
7168 (target_options): Add '64'/'32'
7169 (target_default): Define.
7170 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7171 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7172 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7174 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7176 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7178 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7180 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7181 LO_SUM unless for_alias is set.
7183 2001-03-08 Stan Shebs <shebs@apple.com>
7185 * objc/objc-act.c: Fix old typos in comments, add comments for
7187 (hash_init): Fix file name in error message.
7188 (hash_enter): Ditto.
7189 (hash_add_attr): Ditto.
7190 (continue_class): Ditto.
7192 2001-03-08 Bruce Korb <bkorb@gnu.org>
7194 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7195 wait4() can receive the signal.
7197 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7199 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7201 * fixinc/fixincl.x: Regenerate.
7203 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7205 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7207 * fixinc/fixincl.x: Regenerate.
7209 2001-03-08 Richard Henderson <rth@redhat.com>
7211 * configure.in (HAVE_AS_LEB128): New assembler check.
7212 * configure, config.in: Rebuilt.
7214 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7216 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7219 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7221 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7222 references to the MAXPATHLEN macro.
7224 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7225 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7228 * config/i386/xm-gnu.h, config/xm-gnu.h,
7229 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7230 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7231 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7232 and/or unused files.
7234 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7235 doing so in various xm-*.h files.
7237 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7239 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7241 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7243 * configure.in (enable_shared): Support per-package shared-library
7245 * configure: Rebuilt.
7247 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7249 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7250 for crnot. Set operands[5] in splitter.
7252 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7254 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7255 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7256 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7257 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7258 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7259 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7260 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7263 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7264 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7265 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7266 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7267 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7268 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7269 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7270 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7271 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7272 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7273 Delete unused and/or empty files.
7275 * config.gcc: Define USG in xm_defines as appropriate. Define
7276 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7277 macro. Remove deleted xm-* files from $xm_files variable.
7279 2001-03-07 Tom Tromey <tromey@redhat.com>
7281 * configure: Rebuilt.
7282 * configure.in: Allow config-lang.in to set `lang_requires' to list
7283 of other required languages.
7285 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7287 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7289 (output_prologue): Use xmalloc not oballoc.
7290 (output_epilog): Free a29k_first_epilogue_insn when finished.
7291 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7293 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7295 * builtins.c (expand_builtin_mathfn): Check
7296 flag_unsafe_math_optimizations, not flag_fast_math.
7297 (expand_builtin): Likewise
7298 * combine.c (combine_simplify_rtx): Likewise.
7299 (simplify_if_then_else): Likewise.
7300 * cse.c (fold_rtx): Likewise.
7301 * flags.h: Remove flag_fast_math. Add
7302 flag_unsafe_math_optimizations and flag_trapping_math.
7303 * fold-const.c (negate_expr): Check
7304 flag_unsafe_math_optimizations, not flag_fast_math.
7305 (invert_truthvalue): Likewise.
7306 (fold): Likewise. Before associating operands, check that
7307 code == MULT_EXPR, not code != MULT_EXPR.
7308 * ifcvt.c (noce_try_minmax): Check
7309 flag_unsafe_math_optimizations, not flag_fast_math.
7310 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7311 * invoke.texi: Document -funsafe-math-optimizations and
7312 -fno-trapping-math. Change documentation for -ffast-math.
7313 * jump.c (reversed_comparison_code_parts): Likewise.
7314 (rtx_equal_for_thread_p): Likewise.
7315 * optabs.c (emit_conditional_move): Likewise.
7316 * simplify-rtx.c (simplify_binary_operation): Likewise.
7317 (simplify_relational_operation): Likewise.
7318 (simplify_ternary_operation): Likewise.
7319 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7320 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7321 Add trapping-math and unsafe-math-optimizations entries to f_options.
7322 (set_fast_math_flags): New, sets flags for -ffast-math.
7323 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7324 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7325 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7327 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7328 (alpha_emit_conditional_move): Initialize local_fast_math to
7329 flag_unsafe_math_optimizations, not flat_fast_math.
7330 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7331 instead of setting flag_fast_math to 1.
7332 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7334 * config/i386/i386.c (override_options): Likewise
7335 * config/i386/i386.md: Likewise.
7336 * config/m68k/m68k.md: Likewise.
7337 * config/mips/mips.md: Likewise.
7338 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7339 (rs6000_generate_compare): Likewise.
7341 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7343 * Makefile.in: Set RANLIB to @RANLIB@.
7346 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7348 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7349 * fixinc/fixincl.x: Regenerated.
7351 2001-03-07 Richard Henderson <rth@redhat.com>
7353 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7355 2001-03-07 Richard Henderson <rth@redhat.com>
7357 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7358 of block notes and exception handling notes.
7360 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7361 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7362 (compile_file): ... here.
7364 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7366 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7368 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7369 config.h now. Include libiberty.h to handle alloca.
7371 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7373 * c-parse.in (yylexname): New function, split out of _yylex.
7374 (objc_rid_sans_at): New table.
7375 (init_reswords): Initialize it.
7376 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7377 retrieving the next token and checking it for significance as
7378 an ObjC keyword or string constant.
7380 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7381 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7383 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7386 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7388 * config/m68k/m68k.c (const_uint32_operand): Accept any
7389 const_int on a 32-bit host.
7391 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7393 * objc/objc-act.c (init_objc): Set save_lang_status,
7394 restore_lang_status, and mark_lang_status.
7396 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7398 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7400 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7402 * cppinternals.texi: Update.
7404 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7406 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7407 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7408 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7409 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7410 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7411 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7412 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7413 config/i386/xm-i386.h, config/i860/xm-i860.h,
7414 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7415 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7416 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7417 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7418 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7419 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7420 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7421 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7422 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7423 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7424 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7425 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7426 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7427 match the defaults provided in hwint.h.
7429 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7430 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7432 * config.gcc (xm_file): Don't set to files which are deleted.
7434 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7435 guard this file against these macros being undefined.
7437 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7439 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7440 and DECL_DEFER_OUTPUT on the decl we create, before calling
7441 rest_of_decl_compilation.
7443 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7445 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7447 * configure, config.in: Regenerate.
7448 * config.gcc: Remove references to deleted files.
7450 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7451 genrecog.c, rtl.c: Do not use alloca anywhere.
7453 * Makefile.in, build-make, system.h, config/x-interix,
7454 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7455 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7456 config/arc/xm-arc.h, config/arm/xm-arm.h,
7457 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7458 config/h8300/xm-h8300.h, config/i370/x-oe,
7459 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7460 config/i386/x-ncr3000, config/i386/x-sco5,
7461 config/i386/xm-dgux.h, config/i860/x-sysv4,
7462 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7463 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7464 config/m68k/x-hp320g, config/m69k/x-mot3300,
7465 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7466 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7467 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7468 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7469 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7470 config/mips/x-iris, config/mips/x-iris3,
7471 config/mips/x-sni-svr4, config/mips/x-sysv,
7472 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7473 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7474 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7475 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7476 config/pa/xm-papro.h, config/romp/xm-romp.h,
7477 config/rs6000/x-aix31, config/rs6000/x-aix41,
7478 config/rs6000/x-beos, config/rs6000/x-lynx,
7479 config/rs6000/x-mach, config/rs6000/x-rs6000,
7480 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7481 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7482 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7483 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7484 config/vax/xm-vms.h: Eradicate all references to alloca and
7487 * config/xm-alloca.h, config/clipper/x-clix,
7488 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7489 config/i860/x-sysv3, config/m88k/x-sysv3,
7490 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7491 (contained only alloca related hacks).
7493 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7496 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7498 * invoke.texi: Document __FAST_MATH__.
7500 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7502 * crtstuff.c: Restore include of auto-host.h.
7504 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7506 Put main() in a separate file, so that the language
7507 front-end can use a different main().
7510 * toplev.c: (main): Rename as toplev_main.
7511 * toplev.h: Declare toplev_main.
7512 * Makefile.in (OBJS): add toplev.o.
7513 (BACKEND): remove toplev.o, add main.o.
7515 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7517 * cppfiles.c (search_from): Special case the empty string.
7519 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7521 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7522 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7523 strlen or strcpy; we already know the length.
7524 (_cpp_compare_file_date): Similarly.
7525 * cpphash.h (struct cpp_reader): Delete done_initialising.
7526 (CPP_PREV_BUFFER): Delete.
7527 * cppinit.c (cpp_start_read): Don't set done_initialising.
7528 * cpplex.c (parse_string): Guarantee null-termination.
7529 (_cpp_equiv_toklists): Remove.
7530 * cpplib.c (glue_header_name): Null-terminate.
7531 (do_line): Don't leak memory.
7532 * cpplib.h (BT_WEAK): Delete.
7533 * cppmain.c (cb_ident): Strings are now null-terminated.
7535 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7537 * gcc.c (convert_filename): Append executable suffix
7538 if NO_AUTO_EXE_SUFFIX is not defined.
7539 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7540 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7542 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7544 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7545 * c-parse.gperf, c-gperf.h: Delete.
7546 (c-gperf.h was accidently re-added to the CVS repo in the rev
7547 1.16 commit by tromey)
7549 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7551 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7552 macro arguments when looking for the '('.
7553 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7554 2 when really parsing arguments; 1 when looking for '('.
7555 Always restore the lexer position.
7557 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7559 * longlong.h (umul_ppmm): Don't use a multiline string.
7561 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7563 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7564 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7565 t_bool in declaration because pcc can't combine volatile with typedef
7568 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7570 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7571 until when it is really needed.
7572 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7573 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7574 * i386.md (float?i?f splitter): Don't force source operand to memory
7576 (sse_movdfcc): Fix constraint.
7577 (sse_movdfcc splitter): Handle properly the second alternative.
7579 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7581 * cpplex.c (parse_string): Unconditionally pedwarn.
7583 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7586 * cppexp.c (parse_number): Update.
7587 * cpplex.c (parse_string): Pedwarn if multiline string does not
7588 result from a system header's macro.
7589 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7590 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7591 for function-like macros too.
7592 * c-lex.c (lex_number): Update.
7594 2001-03-03 Richard Henderson <rth@redhat.com>
7596 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7598 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7600 * combine.c (try_combine): If split with mode-changed scratch
7601 register didn't work, try the original mode.
7603 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7605 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7606 * config/c4x/c4x.h: Likewise.
7607 * stor-layout.c (compute_record_mode): Likewise.
7608 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7610 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7612 * configure.in: Kill tm.h. Include the files in the $tm_file
7613 list in all three of config.h, hconfig.h, tconfig.h, after the
7614 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7615 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7616 * configure: Regenerate.
7617 * Makefile.in (clean): Don't delete tm.h.
7619 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7620 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7621 those are not defined, set SEC and FEC to 0 and 1.
7622 * gcc.texi: Update to match.
7624 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7625 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7626 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7627 Include tconfig.h, not tm.h.
7629 * config/xm-lynx.h, config/xm-std32.h,
7630 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7631 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7632 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7633 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7634 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7635 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7636 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7637 config/i386/xm-i386.h, config/i860/xm-i860.h,
7638 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7639 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7640 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7641 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7642 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7643 config/pa/xm-linux.h, config/pa/xm-pa.h,
7644 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7645 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7646 config/pj/xm-pj.h, config/romp/xm-romp.h,
7647 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7648 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7649 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7650 config/v850/xm-v850.h, config/vax/xm-vax.h,
7651 config/we32k/xm-we32k.h:
7653 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7655 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7656 config/i370/xm-oe.h: Don't include tm.h. Don't define
7658 * config/vax/xm-vms.h: Don't include tm.h.
7660 * config/xm-lynx.h, config/avr/xm-avr.h,
7661 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7662 Delete; made empty by above changes.
7663 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7664 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7665 Don't include config/xm-lynx.h or tm.h.
7667 * config/xm-gnu.h: Don't include fcntl.h.
7668 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7670 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7672 2001-03-02 Richard Henderson <rth@redhat.com>
7674 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7675 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7677 2001-03-02 Richard Henderson <rth@redhat.com>
7679 * Makefile.in (OBJS): Add dwarf2asm.o.
7680 * dwarf2asm.c, dwarf2asm.h: New files.
7681 * dwarf2out.c (*): Use them.
7682 (size_of_uleb128, size_of_sleb128): Remove.
7683 (output_uleb128, output_sleb128): Remove.
7684 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7685 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7686 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7687 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7688 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7689 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7690 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7691 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7692 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7693 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7694 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7695 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7696 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7697 (dwarf2out_frame_debug): Remove unused variables.
7698 (output_loc_operands): Don't abort on 8 byte constants if
7699 host integers are wide enough.
7700 (output_symbolic_ref): Remove.
7701 (size_of_die): Don't assume 4 byte host integers.
7702 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7704 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7705 something stupid with HOST_WIDE_INT to long truncation.
7706 [CONST_DOUBLE]: Likewise.
7708 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7709 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7710 * config/arm/unknown-elf.h: Likewise.
7711 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7712 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7713 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7714 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7715 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7716 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7717 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7718 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7719 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7720 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7721 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7722 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7724 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7726 * cselib.c (hash_rtx): Cast enums to unsigned int.
7728 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7730 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7731 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7733 * c-format.c (C_STD_VER): Cast to int for comparisons.
7734 (check_function_format): Cast various enums to int for &.
7735 (maybe_read_dollar_number): Likewise.
7736 (check_format_info): Likewise.
7737 (check_format_info_main): Likewise.
7738 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7739 (safe_from_p): Likewise.
7740 * varasm.c (const_hash): Cast enum to int for %.
7741 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7742 pcc enum problems with < and ++ operators.
7743 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7744 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7745 (regclass_init): Change enum class to int to iterate over reg_classes.
7746 * genrecog.c (merge_trees): Cast enums for comparison.
7747 * rtl.h (GET_CODE): Cast to enum rtx_code.
7748 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7749 (GET_MODE): Cast to enum machine_mode.
7750 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7751 (GET_NOTE_INSN_NAME): Cast enum to int.
7752 * tree.h (TREE_CODE): Cast to enum tree_code.
7753 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7754 * timevar.c (timevar_print): Change loop variable id from enum to
7756 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7757 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7758 * toplev.c (compile_file): Cast enum DFI to int.
7759 (decode_d_option): Likewise.
7761 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7763 * cppinit.c (append_include_chain): Mark "after" include file name list
7764 as a system directory.
7765 * cpp.texi: Document new behavior.
7767 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7769 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7771 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7773 * cppfiles.c (struct include_file): Update.
7774 (stack_include_file): Use search_from.
7775 (cpp_included, find_include_file): Update.
7776 (cpp_execute_include): Update. ptr->name may not be
7777 null terminated. Use the new search_from member variable
7779 (_cpp_compare_file_date): Similarly.
7780 (search_from): New function, similiar to actual_directory.
7781 (actual_directory): Delete.
7782 (remap_filename): Update. loc->name may not be null terminated.
7783 (struct file_name_list): Rename search_path. Update.
7784 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7785 search_from and dir.
7786 (struct cpp_reader): Remove actual_dirs.
7787 * cppinit.c (struct cpp_pending): Update for renamed objects.
7788 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7789 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7790 * cpplib.h (struct cpp_options): Similarly.
7792 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7794 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7795 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7796 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7797 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7798 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7799 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7800 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7801 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7802 config/i370/xm-oe.h, config/i386/xm-aix.h,
7803 config/i386/xm-i386.h, config/i386/xm-osf.h,
7804 config/i860/xm-i860.h, config/i960/xm-i960.h,
7805 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7806 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7807 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7808 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7809 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7810 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7811 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7812 config/pj/xm-pj.h, config/romp/xm-romp.h,
7813 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7814 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7815 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7816 config/v850/xm-v850.h, config/vax/xm-vax.h,
7817 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7818 Do not define TRUE or FALSE.
7820 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7821 empty by above change.
7822 * config.gcc: Remove references to these files.
7824 * configure.in: Detect stdbool.h.
7825 * configure, config.in: Regenerate.
7826 * system.h: Include stddef.h here if available.
7827 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7828 Then set up a sensible boolean type at the very end.
7830 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7831 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7833 * hash.h: Delete 'boolean' typedef and related #undefs.
7835 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7836 all uses of 'boolean' with 'bool'.
7838 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7840 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7841 * cppexp.c (lex): Cast enums for comparison.
7842 * cppinit.c (parse_option): Cast enum for comparison.
7843 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7844 (cpp_output_token): Likewise.
7845 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7846 (cpp_avoid_paste): Cast enums for minus and comparison.
7848 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7850 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7851 field to all array elements.
7853 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7855 * cpphash.h (struct cpp_reader): Add print_version field.
7856 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7857 just set print_version and other flags as appropriate.
7858 (cpp_post_options): Print version here if print_version is set.
7860 * toplev.c (exit_after_options): New flag.
7861 (independent_decode_option): Don't exit here; just set
7863 (main): Exit after calling lang_hooks.post_options if
7864 exit_after_options is true.
7866 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7867 (merge_include_chains): Adjust comment to match code.
7869 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7871 * stringpool.c (set_identifier): New function.
7872 * tree.h: Prototype it.
7874 * c-parse.in: Kill D_YES. If compiled for objc, call
7875 save_and_forget_protocol_qualifiers from init_reswords.
7876 * objc/objc-act.c (remember_protocol_qualifiers,
7877 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7878 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7880 (save_and_forget_protocol_qualifiers): New function.
7881 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7883 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7885 * c-semantics.c (prune_unused_decls): Return error_mark_node
7886 instead of (tree) 1 to stop traversing the tree chain.
7888 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7890 Fix a problem introduced by Kenner's Feb 18 change.
7891 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7892 flag_cse_skip_blocks only temporarily, not for ever.
7894 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7896 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7897 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7899 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7900 before determining its register class.
7902 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7904 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7905 from reg 4 if current_function_calls_setjmp.
7906 (gen_nop_type): New function.
7907 (ia64_emit_nops): New function.
7908 (ia64_reorg): Call it.
7909 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7911 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7912 code not to try to optimize adds with anything but a REG destination.
7914 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7915 (INSN_PRIORITY_KNOWN): New accessor macro.
7916 * haifa-sched.c (priority): Use it instead of testing priority against
7919 2001-02-28 DJ Delorie <dj@redhat.com>
7921 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7922 since that doesn't work the way gcc wants on a generic m68k.
7924 2001-02-28 Richard Henderson <rth@redhat.com>
7926 * caller-save.c (save_call_clobbered_regs): Fix typo in
7927 comparison last change.
7929 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7931 * i386.c (pentium4_cost): New.
7932 (m_PENT4): New macro.
7933 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7934 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7935 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7936 x86_memory_mismatch_stall): Add Pentium4
7937 (x86_use_q_reg, x86_use_any_reg): Kill.
7938 (override_options): Add pentium4.
7939 (incdec_operand): Return 0 for pentium4.
7940 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7941 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7942 (TARGET_PENTIUM4): Define.
7943 (enum processor_type): Add PROCESSOR_PENTIUM4.
7944 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7945 * i386.md (attribute "cpu"): Add pentium4.
7946 * invoke.texi (march): Add pentium4.
7948 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7950 * i386.md (sse_mov?fcc*): New patterns and splitters.
7951 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7952 the SSE based conditional moves.
7954 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7956 * i386.md (attribute mode): Add "TI".
7957 (movsf_1): Add pxor support; remove constant propagation splitter.
7958 (movdf_integer): Likewise.
7959 (movdf_nointeger): Likewise.
7960 (movxf constant prop splitter): Handle all modes; update for SSE.
7961 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7962 * i386.c (standard_80387_constant_p): Rewrite.
7963 (standard_sse_constant_p): New.
7964 * i386-protos.h (standard_sse_constant_p): New.
7966 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7968 * i386.md (sse_setccsf, sse_setccdf): New.
7969 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7971 * i386.c (sse_comparison_operator): Accept the supported unordered
7972 comparses; be ready for fast_math.
7973 (print_operand): Support 'D'.
7975 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7977 * jump.c (reversed_comparison_code): Kill.
7979 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7981 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7984 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7986 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7987 add missing '%' in constraints.
7989 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7991 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7992 for HOST_BITS_PER_WIDE_INT == 32 too.
7994 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7996 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7998 (insert_save, insert_restore): New parameter save_mode.
7999 (init_caller_save): Update initialization of reg_save_code
8000 and reg_restore_code.
8001 (save_call_clobbered_regs): Compute save_modes and update calls to
8002 reg_save_code and reg_restore_code.
8003 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8004 of spill; update use of reg_restore_code.
8005 (insert_save): Likewise.
8006 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8007 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8008 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8010 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8012 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8013 noce_try_store_flag_inc, noce_try_store_flag_mask,
8014 noce_try_cmove_arith):
8015 Use reversed_comparison_code instead of reverse_comparison and
8016 can_reverse_comparison_p.
8018 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8020 * jump.c (reversed_comparison_code_parts): Allow reversal of
8021 unordered compares in -ffast-math mode; reverse ordered compares
8022 for FP even w/o -ffast-math.
8024 2001-02-27 Richard Henderson <rth@redhat.com>
8026 * print-rtl.c (print_rtx) [i]: Don't print field five on
8027 NOTEs other than NOTE_INSN_DELETED_LABEL.
8029 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8031 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8032 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8034 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8036 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8037 even if walk_subtrees is 0.
8038 * c-semantics.c (prune_unused_decls): Return a non-null value to
8039 stop traversing the tree chain.
8041 2001-02-27 DJ Delorie <dj@redhat.com>
8043 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8044 register, *then* define it as the new CFA.
8046 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8048 * pa.c (override_options): Promote -fpic to -fPIC.
8049 (legitimize_pic_address): Simplify due to removal of
8050 small PIC as a code generation option.
8051 (secondary_reload_class): Similarly.
8052 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8053 (PRINT_OPERAND_ADDRESS): Similarly.
8054 * pa.md (various patterns): Similarly.
8055 (small pic lo_sum pattern): Remove.
8057 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8060 * md.texi (min, max): Document
8062 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8064 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8065 TARGET_PARTIAL_REG_DEPENDENCY.
8066 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8068 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8070 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8072 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8074 * mips.c (mips_make_temp_file): Fix thinko in last change.
8076 2001-02-26 Jason Eckhardt <jle@redhat.com>
8078 * combine.c (known_cond): Do not reverse the condition when
8079 SMAX/UMAX is being considered and the condition is for equality
8082 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8084 2001-02-26 Philip Blundell <philb@gnu.org>
8086 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8088 * config/arm/linux-elf.h: Remove historical relics related to
8089 above configurations.
8090 * config/arm/linux-oldld.h: Delete.
8091 * config/arm/linux-elf26.h: Delete.
8093 2001-02-26 Jason Merrill <jason@redhat.com>
8095 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8097 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8098 recognize a tentative definition. Lose obsolete code.
8100 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8101 variables unless necessary, either.
8103 2001-02-25 Richard Henderson <rth@redhat.com>
8105 * ifcvt.c (struct noce_if_info): Add test_bb.
8106 (noce_get_alt_condition): New.
8107 (noce_try_minmax, noce_try_abs): New.
8108 (noce_operand_ok): New.
8109 (noce_process_if_block): Use them.
8110 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8112 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8114 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8117 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8119 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8120 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8122 (mips_asm_file_end): Free temp_filename here.
8124 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8126 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8127 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8129 * config/i386/i386.md (movstrsi): Handle FAIL case.
8131 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8133 * cppinit.c (builtin_array): Update.
8134 (init_builtins): Flag builtins to warn if redefined or
8135 undefined. Define __GXX_WEAK as a normal macro.
8136 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8137 * cpplib.h (NODE_WARN): New flag.
8138 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8139 Handle __STDC__ as a builtin only on Solaris.
8140 (warn_of_redefinition): Renamed from check_macro_definition.
8141 Reverse sense of test. Always warn if NODE_WARN.
8142 (_cpp_create_definition): Use warn_of_redefinition. Flag
8143 any macro beginning with "__STDC_" to require a mandatory
8144 warning if redefined or undefined.
8146 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8148 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8149 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8150 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8151 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8152 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8153 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8154 Don't define any of:
8155 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8156 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8157 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8158 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8159 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8161 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8162 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8165 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8166 Delete now-empty file.
8168 * alpha/vms.h: Define NEED_ATEXIT here...
8169 * alpha/xm-vms.h: ...not here.
8171 * i386/cygwin.h: Don't define PARAMS.
8172 * mips/mips.c: Don't prototype mktemp. Don't define
8173 P_tmpdir. Use make_temp_file to create temporary files.
8174 Don't be clever and delete temporary files early.
8175 * config.gcc: Drop references to deleted files. Don't define
8177 * gcc.texi: Don't mention USE_PROTOTYPES.
8179 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8181 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8182 (ix86_set_move_mem_attrs_1): Likewise.
8183 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8184 * config/i386/i386.md (movstrsi): Call it.
8186 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8188 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8189 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8190 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8191 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8193 (i750a-*-*): Error here if hosting on i750a.
8194 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8196 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8197 Remove (empty modulo comments).
8199 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8200 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8201 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8202 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8203 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8204 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8206 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8207 Remove reference to winnt.h in comment.
8208 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8210 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8212 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8213 used to set another biv.
8215 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8217 * tree.h (BLOCK_DEAD): New macro.
8218 (struct tree_block): New flag, dead_flag.
8219 * print-tree.c (print_node, case 'b'): Print missing fields.
8220 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8221 * function.c (identify_blocks): Enable test for misplaced notes.
8222 (all_blocks): Skip BLOCK_DEAD blocks.
8223 * integrate.c (integrate_decl_tree): Likewise.
8225 * errors.c (internal_error, trim_filename): New functions.
8226 (fancy_abort): Call internal_error.
8227 * errors.h (internal_error, trim_filename): New declarations.
8229 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8231 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8233 (EXTRA_CONSTRAINT): Formatting changes.
8235 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8237 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8239 2001-02-23 Per Bothner <per@bothner.com>
8241 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8242 so they can be called from java/jvspec.c.
8243 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8245 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8247 * i386.c (ix86_frame): New structure.
8248 (ix86_compute_frame_size): Kill.
8249 (ix86_compute_frame_layout): New.
8250 (ix86_save_reg): New.
8251 (ix86_can_use_return_insn_p): Use frame layout stuff.
8252 (ix86_expand_prologue): Likewise.
8253 (ix86_expand_epilogue): Likewise.
8254 (ix86_initial_elimination_offset): Likewise.
8255 (ix86_nsaved_regs): Use ix86_save_reg.
8256 (ix86_emit_save_regs): Likewise.
8258 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8260 * flow.c (find_sub_basic_blocks): New function.
8261 (split_block): Be ready for basic block introduced by CODE_LABEL.
8262 (commit_one_edge_insertion): Call find_sub_basic_block.
8264 * flow.c (make_edges): Add edge from entry for blocks starting with
8265 label having ALTERNATE_NAME
8267 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8269 * function.c (epilogue_done): Be ready for first basic block not
8270 containing PROLOGUE_END note.
8271 (reposition_prologue_and_epilogue_notes): Avoid placing
8272 PROLOGUE_END note between BASIC_BLOCK.
8274 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8276 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8278 2001-02-21 DJ Delorie <dj@redhat.com>
8280 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8281 check for current_function_has_nonlocal_goto from 1999-11-12.
8283 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8285 * diagnostic.c (trim_filename): No longer static.
8286 * toplev.h (trim_filename): Declare.
8287 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8288 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8289 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8290 (rtvec_check_failed_bounds): Likewise.
8291 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8293 * convert.c (convert_to_integer): Don't do unsigned unless result or
8294 both inputs are unsigned.
8296 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8299 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8301 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8303 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8305 * Makefile.in (resource.o): Add params.h dependence.
8306 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8307 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8308 * resource.c: Add dependence on params.h.
8309 (current_live_regs): Fix explanatory comment.
8310 (find_basic_block): Add new parameter to permit limiting search
8312 (mark_target_live_regs): Add new argument to find_basic_block call.
8313 (incr_ticks_for_insn): Likewise.
8315 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8317 * diagnostic.c (output_to_stream): Rename to
8318 output_buffer_to_stream. Loses the stream parameter.
8319 (init_output_buffer): Set diagnosic_buffer's stream.
8320 (flush_diagnostic_buffer): Adjust.
8321 (default_print_error_function): Likewise.
8322 (finish_diagnostic): Likewise.
8323 (verbatim): Likewise.
8325 * diagnostic.h (struct output_buffer): Add `stream' field.
8326 (output_buffer_attached_stream): New macro.
8328 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8330 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8331 check if either operand is divisible by C.
8332 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8333 If type is signed, consider negative numbers as well.
8335 2001-02-22 Richard Henderson <rth@redhat.com>
8337 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8338 reach .text instead of gp-relative relocs.
8339 * config/ia64/crtend.asm (.init): Likewise.
8341 2001-02-22 Andreas Jaeger <aj@suse.de>
8343 * extend.texi (C++ Attributes): Fix typo.
8345 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8347 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8348 functions, drop current_function_args_info.words test.
8349 (ia64_compute_frame_size): Mark syscall_linkage functions as
8350 using eight input registers.
8352 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8353 Bruce Korb <bkorb@gnu.org>
8355 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8356 * fixinc/README: Document how to convert sed substitutions
8357 to format style c_fix-es.
8358 * fixinc/fixincl.x: regen
8360 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8362 * gcc.c: Add comment explaining how to add a command-line option.
8363 Add title to specs language comment.
8365 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8367 * gcc.c (cc1_options): Add "-param".
8368 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8369 (option_map): Likewise.
8370 * toplev.c (display_help): Add entry for "--param".
8371 (independent_decode_option): Fix typographical error.
8373 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8374 Bernd Schmidt <bernds@redhat.com>
8375 Jan Hubicka <jh@suse.cz>
8377 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8378 (function_arg): Likewise.
8380 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8382 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8384 2001-02-21 Kazu Hirata <kazu@hxi.com>
8386 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8390 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8392 * flow.c (init_propagate_block_info): Canon address and use single_set
8393 for killing dead memory stores.
8395 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8397 * Makefile.in (reorg.o): Add params.h dependence.
8398 * params.def: Fix typographical error in comment.
8399 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8400 * params.h: Modify introductory comment.
8401 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8402 * reorg.c: Add dependence on params.h.
8403 (redundant_insn): Add parameterized throttle for search.
8404 (fill_simple_delay_slots): Add a comment explaining a variable.
8405 Move conditional out of loop, simplifying code.
8406 (fill_eager_delay_slots): Fix typographical error in comment.
8408 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8410 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8412 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8413 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8415 2001-02-21 Jason Merrill <jason@redhat.com>
8417 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8418 (struct tree_decl): Add uninlinable bitfield.
8419 * c-decl.c (duplicate_decls): Set it.
8420 * integrate.c (function_cannot_inline_p): Check it.
8422 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8423 DW_AT_MIPS_linkage_name to abstract methods.
8424 (dwarf2out_abstract_function): Emit class context before calling
8425 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8426 (gen_subprogram_die): Remove obsolete code.
8427 (gen_member_die): Don't include clones in the member list.
8428 (gen_decl_die): Emit abstract info for clone origin.
8429 * dwarfout.c (output_type): Don't include clones in the member list.
8430 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8431 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8432 DECL_ABSTRACT on a function that already has it set.
8434 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8435 (get_subprogram_die): Pass it in.
8437 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8439 * flow.c (mark_set_1): Make not_dead unsigned long. For
8440 non-pseudos, use it as a bitmask of the hard regs that
8443 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8445 * cppfiles.c: Update comments.
8446 (_cpp_read_file): Don't check for NULL filenames any more.
8447 * cppinit.c (cpp_start_read): Don't do canonicalization of
8448 in_fname and out_fname. Use the passed file name exclusively.
8449 (_cpp_handle_options): Don't treat "-" as a command line option,
8450 but as a normal filename.
8451 (_cpp_post_options): Canonicalize in_fname and out_fname.
8452 * cppmain.c (printer_init): Don't check out_fname for NULL.
8453 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8454 (init_c_lex): Update, and use "" to represent stdin to CPP.
8457 2001-02-20 Will Cohen <wcohen@redhat.com>
8459 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8460 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8461 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8464 2001-02-20 Stan Shebs <shebs@apple.com>
8466 * config/rs6000/rs6000.c (output_cbranch): Output branches
8467 on separate lines instead of using ';' to separate.
8469 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8471 * cppinit.c (set_lang): Move builtin handling to...
8472 (init_builtins): ...here.
8473 (_cpp_create_reader): Move call to set_lang.
8475 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8477 * stmt.c (expand_return): If an attempt is made to return the
8478 error_mar_node, treat the return like a return without a value.
8480 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8482 * sibcall.c (skip_copy_to_return_value): Call
8483 identify_call_return_value here, and return orig_insn if it
8484 returns zero. Hardret and softret arguments now unnecessary.
8485 (call_ends_block_p): Don't call identify_call_return_value here.
8487 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8489 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8490 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8492 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8494 * pa.c (move_operand): Accept code to load the address of a
8495 symbol out of the DLT as a valid move operand.
8496 (print_operand, case 'A'): New to handle generating a DLT
8497 reference for a LO_SUM expression.
8498 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8499 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8501 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8503 * README, cpp.texi, gcc.texi, version.c: Update version number to
8505 * cpp.1, gcov.1, gcc.1: Regenerate.
8507 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8509 * cppfiles.c (stack_include_file): Generate dependencies
8510 here, and manage include_count here too.
8511 (PRINT_THIS_DEP): Delete.
8512 (_cpp_execute_include): Do not generate dependencies here,
8513 apart from the case of a missing header. Do not manage
8515 (_cpp_read_file): Leave dependency generation to
8518 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8520 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8521 target_cpu_default. Remove dead assignment to
8524 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8526 * regclass.c (contains_reg_of_mode): Make global.
8527 (init_reg_sets): Remove contains_reg_of_mode; take into account
8528 CLASS_MAX_NREGS when looking for the proper mode.
8529 (dump_regclass): Dump only classes considered for the pseudo.
8530 (regclass): Use contains_reg_of_mode.
8532 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8534 * gcc.c (do_spec_1): 'n' for printing notices.
8535 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8537 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8539 * reg-stack.c (next_flags_user): Use current_block->end
8540 (swap_rtx_condition): Look for next user if flags don't die;
8541 give up on CALL_INSNs; use current_block->end.
8543 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8545 * sibcall.c (call_ends_block_p): New function.
8546 (optimize_sibling_and_tail_recursive_call): Use it.
8548 2001-02-18 Kazu Hirata <kazu@hxi.com>
8550 * config/h8300/h8300.md: Update copyright.
8551 (andsi3): Do not output an extra newline character.
8553 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8555 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8556 FNDECL may be unused.
8558 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8559 follow jumps after first run.
8560 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8561 it doesn't change any jumps.
8563 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8565 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8566 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8567 (mostlyclean): Corresponding changes.
8568 * rtlanal.c (hard-reg-set.h): Include.
8569 (rtx_unstable_p): Do not treat the argument pointer specially
8570 if it is not a fixed register.
8571 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8573 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8575 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8576 against last real insn in basic block.
8577 Rework to avoid gotos.
8579 * Makefile.in (gcse.o): Now includes ggc.h.
8580 * gcse.c: Include ggc.h.
8581 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8582 (try_replace_reg): Remove warning of uninitialize variable.
8583 (process_insert_insn): Call invalid_insn_p to validate insn.
8584 * recog.c (insn_invalid_p): Now global.
8585 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8586 * recog.h (insn_invalid_p): New declaration.
8588 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8590 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8591 assignments from FP constants since 'Y' output code can't handle it.
8592 (eligible_for_sibcall_delay): Likewise.
8594 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8595 Call fancy_abort directly, passing args.
8596 (print_rtl_and_abort): Now a macro, like fancy_abort.
8598 * final.c (output_operand_lossage): Use internal_error, not error.
8600 2001-02-18 Shane Nay <shane@agendacomputing.com>
8602 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8603 structure shift insns.
8605 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8607 * invoke.texi (-fsquangle): Remove documentation.
8608 (-fname-mangling-version): Likewise.
8610 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8612 * optabs.c (expand_abs): Remove reference to
8613 HAVE_contitional_arithmetic.
8614 * combine.c (simplify_set): Likewise.
8616 2001-02-18 Richard Henderson <rth@redhat.com>
8618 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8621 2001-02-18 Richard Henderson <rth@redhat.com>
8623 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8625 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8627 * reload1.c (reload_cse_simplify_set): Fix typo.
8629 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8631 * diagnostic.c (_fatal_insn): Decrement errorcount.
8633 * invoke.texi (-I): Add note avoiding use for system header files.
8635 * rtl.h (add_clobbers): Remove duplicate declaration.
8636 * recog.h (added_clobbers_hard_reg_p): New declaration.
8637 * genemit.c (struct clobber_pat): New field has_hard_reg.
8638 (gen_insn): Record if added clobbers clobber hard reg.
8639 (gen_split): Avoid unused warning if number of operands is 0.
8640 (output_added_clobbers_hard_reg_p): New function.
8643 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8645 * pa.c (hppa_expand_prologue): Simplify code storing return
8646 pointer. For large (>=8k) frames with a post_store, adjust stack
8647 pointer by 8k-64 first rather than by 64. When testing with
8648 VAL_14_BITS_P, always use the actual value rather than the value
8649 negated. Add blockage to prevent scheduling of spills before
8650 stack frame has been created.
8651 (hppa_expand_epilogue): Simplify code loading return pointer.
8652 Allow a slightly larger range for merge_sp_adjust_with_load case.
8653 When testing with VAL_14_BITS_P, always use the actual value.
8655 * pa.c (pa_adjust_insn_length): Check that block move
8656 pattern is a set before looking at operands.
8658 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8660 * fold-const.c (fold_binary_op_with_conditional_arg): New
8661 function, split out from ...
8663 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8664 conditional arms that throw exceptions.
8666 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8669 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8671 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8672 define HAVE_DECL_* to 1 to mask potential backup declarations.
8673 * configure: Regenerated.
8675 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8677 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8679 2001-02-17 Richard Henderson <rth@redhat.com>
8681 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8682 when replacing a memory load with a register.
8684 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8685 Jan Hubicka <jh@suse.cz>
8687 * recog.c (validate_replace_src_1): New.
8688 (validate_replace_src_data): Likewise.
8689 (validate_replace_src): Use note_uses.
8690 * rtl.h (note_uses): Declare.
8691 * rtlanal.c (note_uses): New.
8693 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8695 * reg-stack.c (stack_def): Make field reg unsigned.
8696 (remove_regno_note): Unsignetize parameter.
8698 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8700 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8701 shladd_operand() call.
8703 2001-02-16 Bruce Korb <bkorb@gnu.org>
8704 Rodney Brown <RodneyBrown@mynd.com>
8706 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8707 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8708 machine restrictions
8709 * fixinc/fixincl.x: regen
8711 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8713 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8715 (hash_scan_insn): Clean up calls to hash_scan_set.
8716 (compute_kill_rd): REGNO now unsigned.
8717 (try_replace_reg): Rework to use simplify_replace_rtx.
8718 (cprop_jump, cprop_cc0_jump): Likewise.
8719 (cprop_insn): Call find_reg_equal_equiv_note.
8720 Reflect changes to cprop_jump and cprop_cc0_jump.
8722 * recog.c (validate_replace_src): Replace in operands of
8723 ZERO_EXTRACT in SET_DEST.
8725 * cse.c (new_label_ref): New variable.
8726 (insert): Set it instead of recorded_label_ref.
8727 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8728 CODE_LABEL for this function, and not already in REG_LABEL note.
8730 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8732 * resource.c (mark_referenced_resources): Fix typo in introductory
8734 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8737 2001-02-16 Jason Merrill <jason@redhat.com>
8739 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8741 (gen_subprogram_die): Don't abort on seeing a second definition if
8742 the previous one was abstract. Don't replace an abstract instance
8743 in the lookup table.
8745 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8746 gen_abstract_function.
8747 * dwarf2out.h: Declare it.
8748 * toplev.c (note_outlining_of_inline_function): New fn.
8749 * toplev.h: Declare it.
8750 * integrate.c (output_inline_function): Call it.
8751 * c-decl.c (duplicate_decls): Call it when redefining an extern
8752 inline. Don't inline the new defn.
8754 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8756 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8758 * .gdbinit: Rename to gdbinit.in.
8759 * gdbinit.in: New file,
8760 * configure.in: Generate .gdbinit from gdbinit.in.
8761 * configure: Regenerated.
8762 * Makefile.in (distclean): Always remove .gdbinit.
8764 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8766 * objc/objc-act.c (start_class): Register implemented_classes with
8769 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8771 * cppfiles.c (_cpp_make_system_header): Generate a file
8774 2001-02-15 Jim Meyering <meyering@lucent.com>
8776 * Makefile.in (install-common): Don't depend on installdirs here.
8777 Instead, make each of the lang.install-common targets (e.g.,
8778 c++.install-common in cp/Make-lang.in) depend on it.
8779 (install-driver): Depend on installdirs.
8781 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8783 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8785 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8788 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8790 * invoke.texi (--param): Document.
8792 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8794 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8796 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8798 * i386.md (extendsfdf2_2): Fix constraints.
8800 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8802 * i386.md (fop_df_3 splitter): Fix operand number.
8804 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8806 * invoke.texi (-mreg-alloc): Nuke.
8807 * i386.c (ix86_reg_alloc_order, regs_allocated,
8808 order_regs_for_local_alloc): Nuke.
8809 (override_options): Kill reg_alloc code.
8810 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8811 (REG_ALLOC_ORDER): SSE goes before I387.
8812 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8813 (ix86_reg_alloc_order): Likewise.
8814 * i386-protos.h (ix86_reg_alloc_order): Kill.
8816 2001-02-14 Richard Henderson <rth@redhat.com>
8818 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8820 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8822 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8824 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8826 * i386-protos.h (ix86_memory_move_cost): Move offline.
8827 * i386.c (ix86_register_move_cost): Compute properly cost of
8828 SSE, MMX and i387 instructions.
8829 (*_cost): Add costs of SSE/MMX moves.
8830 (ix86_memory_move_cost): Move offline from ....; Likewise.
8831 * i386.h (MEMORY_MOVE_COST): .... here;
8832 (struct processor costs): Add new fields to represent costs
8835 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8837 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8838 move_cost together with Matt Kraai's fix.
8840 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8842 * Makefile.in (OBJS): Add params.o.
8844 2001-02-14 Richard Henderson <rth@redhat.com>
8845 DJ Delorie <dj@redhat.com>
8847 * jump.c (jump_optimize_1): When we delete a conditional jump
8848 preceeding a non-conditional jump to effectively the same place,
8849 make sure that the combined jump skips any clobber insns between
8852 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8854 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8856 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8858 * Makefile.in (toplev.o): Depend on params.h.
8859 (intergate.o): Likewise.
8860 (params.o): New target.
8861 * flags.h (inline_max_insns): Remove.
8862 * integrate.c: Include params.h.
8863 Use MAX_INLINE_INSNS instead of inline_max_insns.
8864 * params.c: New file.
8865 * params.h: Likewise.
8866 * params.def: Likewise.
8867 * toplev.c: Include params.h.
8868 (lang_independent_params): New variable.
8869 (decode_f_option): Use the param machinery instead of setting
8871 (independent_decode_option): Handle "--param name=value".
8872 (main): Register language-independent parameters.
8874 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8876 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8878 2001-02-14 Richard Henderson <rth@redhat.com>
8880 * regclass.c (init_reg_sets_1): Revert last two changes.
8882 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8884 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8885 (variable_size): Call put_pending_size.
8886 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8887 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8888 sizes list, put newly created SAVE_EXPR there as well.
8890 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8892 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8893 (errata_find_address_regs): load_group has only 2 entries.
8894 (errata_emit_nops): Likewise. shladd is not problematic.
8895 Clear last_group if nop was emitted.
8896 (fixup_errata): load_group has only 2 entries.
8899 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8901 * c-lex.c (lex_number): Only warn traditionally for U suffix
8902 outside system macros.
8903 * cppexp.c (parse_number): Similarly.
8904 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8905 * cppmacro.c (struct cpp_macro): New member node.
8906 (parse_args): Only warn about missing rest args if not
8908 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8909 (cpp_sys_objmacro_p): New.
8910 (_cpp_create_definition): Store the node with the macro defn.
8911 Remember if the macro is defined in a system header.
8913 2001-02-13 DJ Delorie <dj@redhat.com>
8915 * configure.in (check_languages): determine languages to check
8916 * Makefile.in (check-c++): alias for check-g++
8917 (check-f77): alias for check-g77
8918 (CHECK_TARGETS): depend on configured languages
8920 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8922 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8923 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8924 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8925 (sqrtextendsfdf2): Disable for SSE2.
8927 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8929 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8930 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8931 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8932 (sqrtextendsfdf2): Disable for SSE2.
8934 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8936 * i386.md (movsfcc_1): Support integer cmove instruction.
8937 (movdfcc_1): Likewise; new splitter.
8939 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8941 * i386.c (output_fp_compare): Support SSE.
8942 (prepare_fp_compare_args): SSE comparisons always support memory.
8943 * i386.h (TARGET_CMOVE): SSE imply cmove.
8944 * i386.md (cmp?f2): Enable for SSE too.
8945 (cmpfp_i*): Support SSE.
8947 (cmpfp_i_sse_only): New.
8948 (s*, b* fp expanters): Enable for SSE too.
8949 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8952 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8954 * regclass.c (init_reg_sets_1): Silence warning.
8956 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8958 * i386.md (sqrt?f2): Change to expander.
8959 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8961 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8963 * rtlanal.c (find_reg_equal_equiv_note): New function.
8964 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8965 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8966 * rtl.h: Add declarations for above functions.
8968 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8970 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8972 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8973 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8974 * flow.c (mark_regs_live_at_end): Likewise.
8975 (calculate_global_regs_live): Likewise.
8976 * gcse.c (compute_hash_table): Likewise.
8977 (compute_kill_rd): Likewise.
8978 * resource.c (mark_target_live_regs): Likewise.
8979 * rtl.h (INVALID_REGNUM): New macro.
8981 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8983 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8985 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8987 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8990 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8992 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8994 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8995 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8996 (fop_sf_1_sse, fop_df_1_sse): New patterns
8997 (fop_*): Disable float_extend and float patterns for SSE compilation.
8998 * i386.c (output_387_binary_op): Support SSE.
9000 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9002 * i386.md (dummy_extendsfdf2): Support SSE2
9003 (extendsfdf2): Enable if 80387 or SSE2.
9004 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9005 and no MIX_I387_SSE2
9006 (extendsfdf2_1_sse_only): New pattern.
9007 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9009 (truncdfsf2_1): Support SSE.
9010 (truncdfsf2_2): Support SSE.
9011 (truncdfsf2_2_1_sse): New pattern.
9012 (fixtruncsfsi2): Always use SSE if available.
9013 (fix_truncsfsi_sse): New pattern.
9014 (fix_truncdfsi_sse): New pattern.
9015 (floatsis?f2): Support SSE.
9016 (floatsidf2_i387): New pattern.
9017 (floatsidf2_sse): Likewise.
9019 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9021 * configure.in: Use "have_gnat" variable, not "gnat".
9022 * configure: Regenerated.
9024 * config/sparc/sparc.c (function_value): Treat all non-record
9025 aggregate types like used to treat UNION_TYPE.
9027 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9029 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9030 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9032 (MASK_MIX_SSE_I387): New.
9033 (TARGET_SSE): SSE2 imply SSE.
9034 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9035 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9036 (enum reg_class): Add new classes.
9037 (REG_CLASS_NAMES): Likewise.
9038 (REG_CLASS_CONTENTS): Likewise.
9039 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9040 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9041 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9042 (CLASS_MAX_NREGS): Use new macros.
9043 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9044 * i386.md (pushsf, movsf): Support SSE.
9045 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9046 splitters to use ANY_FP_REGNO_P.
9047 (movdf_nointeger, movdf_integer): Likewise.
9049 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9051 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9052 (try_combine): Use it.
9054 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9056 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9057 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9058 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9059 (REGISTER_MOVE_COST): Likewise.
9060 * i386-protos.h (ix86_secondary_memory_needed,
9061 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9062 * i386.c (ix86_secondary_memory_needed,
9063 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9065 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9067 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9068 (HARD_REGNO_MODE_OK): Move offline to ....
9069 * i386.c (ix86_hard_regno_mode_ok) ... here;
9070 refuse all incorrect modes.
9071 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9073 2001-02-13 Richard Henderson <rth@redhat.com>
9075 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9076 entire operator; replicate that and match_dup the operands.
9077 (cmp_ccx_arith_op_set): Likewise.
9078 (cmp_cc_arith_op_not_set): Likewise.
9079 (cmp_ccx_arith_op_not_set): Likewise.
9081 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9083 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9085 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9087 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9088 (TARGET_NO_BITFIELD_WORD): New macro.
9089 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9090 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9092 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9094 * cselib.c: New file, from simplify-rtx.c.
9095 * simplify-rtx.c: Remove cselib parts.
9096 * Makefile.in: Add cselib.o.
9098 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9100 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9101 (setup_incoming_varargs): Remove warning.
9103 * config/rs6000/rs6000.c (validate_condition_mode): When
9104 flag_fast_math, allow floating-point conditionals to be reversed.
9105 (rs6000_generate_compare): When flag_fast_math, don't generate
9106 cror operations for FP conditionals.
9108 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9110 (ASM_SPEC): Likewise.
9111 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9112 (CC1_SPEC): Likewise.
9113 (LINK_TARGET_SPEC): Likewise.
9114 (CPP_ENDIAN_SPEC): Likewise.
9115 * Makefile.in (check-consistency): New target.
9117 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9119 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9120 "return type defaults" warning for functions with return type
9122 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9123 function declarations by default rather than only when pedantic.
9125 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9127 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9130 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9132 * extend.texi (Deprecated): Deprecate new initializer lists.
9134 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9136 * mkdeps.c (deps_add_default_target): Robustify. Add
9137 basename component only.
9138 * cpp.texi (-M): Describe how default target is generated.
9139 * invoke.texi (-M): Likewise.
9141 2001-02-12 Kazu Hirata <kazu@hxi.com>
9143 * toplev.c (push_float_handler): Remove.
9144 (pop_float_handler): Remove.
9145 * toplev.h: Remove prototypes for the above functions.
9147 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9149 * c-common.c (constant_fits_type_p): New function.
9150 (convert_and_check): Use it.
9152 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9154 * Makefile.in (GXX_ABI_FLAG): Don't define.
9155 * configure.in (--enable-new-gxx-abi): Remove option.
9156 * config.in: Regenerated.
9157 * configure: Likewise.
9159 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9161 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9163 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9164 regular basic block, and arrange for all edges into it to switch
9167 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9169 * Makefile.in (distclean): Do not remove .gdbinit.
9171 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9173 * Makefile.in (gcc.o): Fix typos.
9174 (protize.o): Likewise.
9175 (unprotoize.o): Likewise.
9177 2001-02-11 Richard Henderson <rth@redhat.com>
9179 * tree.c (build1): Check for null operand in last change.
9181 2001-02-11 Richard Henderson <rth@redhat.com>
9183 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9184 (fold): Don't assume a constant isn't foldable.
9185 * tree.c (build): Set TREE_CONSTANT for an expression with no
9186 side-effects and constant operands.
9189 2001-02-10 Richard Henderson <rth@redhat.com>
9191 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9193 2001-02-10 Anthony Green <green@redhat.com>
9195 * cpp.texi (Standard Predefined): Add documentation for
9198 * c-common.c (combine_strings): Improve warning message.
9200 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9202 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9204 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9206 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9208 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9211 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9213 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9216 2001-02-09 Nick Clifton <nickc@redhat.com>
9218 * config/arm/arm.md: Change output contraint on post inc
9219 load/store multiple patterns to be a read/write contraint.
9221 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9223 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9224 .o files when using the -M options.
9226 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9227 David Edelsohn <edelsohn@gnu.org>
9229 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9230 handle DImode constants. Use one TOC entry for SImode and smaller
9231 constants, aligned properly.
9233 2001-02-08 Jason Merrill <jason@redhat.com>
9235 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9236 about the SP adjustment for saving the static chain pointer.
9237 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9238 offset when setting a temporary CFA register.
9240 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9242 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9243 powerpc-*-chorusos* .
9244 * config/rs6000/chorus.h : New file.
9245 * config/i386/chorus.h : New file.
9246 * config/sparc/chorus.h : New file.
9247 * config/sparc/t-chorus-elf : New file.
9249 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9251 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9252 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9253 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9254 (__WCHAR_TYPE__): Correct macro name.
9256 2001-02-08 Richard Henderson <rth@redhat.com>
9258 * config/i386/i386.c (ix86_frame_pointer_required): New.
9259 (ix86_setup_frame_addresses): New.
9260 (struct machine_funciton): Add accesses_prev_frame.
9261 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9262 ix86_frame_pointer_required.
9263 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9264 (SETUP_FRAME_ADDRESSES): New.
9265 * config/i386/i386-protos.h: Update.
9266 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9267 from FRAME_POINTER_REQUIRED.
9268 * config/i386/svr3gas.h: Likewise.
9269 * config/i386/sysv3.h: Likewise.
9270 * config/i386/v3gas.h: Likewise.
9272 2001-02-08 Richard Henderson <rth@redhat.com>
9274 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9275 calculation of the number of integer registers required.
9276 (function_arg_record_value): Likewise.
9278 2001-02-08 Jason Merrill <jason@redhat.com>
9280 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9281 two. Print file and line with "confused" message.
9283 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9285 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9287 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9289 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9291 * final.c (cleanup_subreg_operands): The address of a MEM can
9294 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9297 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9299 * gcc.texi (Incompatibilities): Update documentation of
9300 preprocessing numbers.
9302 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9304 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9306 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9308 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9310 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9311 * gcc.c (struct compiler): Add cpp_spec field.
9312 (input_file_compiler): New variable.
9313 (do_spec_1): Allow a particular compiler to handle `%C'
9315 (main): Store the current compiler in input_file_compiler.
9316 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9318 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9320 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9321 * cppinit.c (cpp_create_reader): Initialize them.
9322 (append_include_chain): cxx_aware arg might be unused.
9323 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9324 keywords and give them their phase 7 meaning. Pedwarn about
9325 this unless '__bool_true_false_are_defined' is defined.
9327 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9329 * lcm.c (optimize_mode_switching): Emit mode_set before the
9330 JUMP_INSN of an abnormal edge.
9332 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9334 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9335 a scheduling barrier at the end.
9337 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9339 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9341 * config/sh/sh.md (reload_outsf): Removed.
9342 (movsf_ie): Introduce constraints for FPUL loads and stores.
9343 (reload_insf): Broaden the output constraint.
9345 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9347 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9348 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9350 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9352 * final.c: Revert my previous changes.
9353 * output.h: Make profile_label_no extern.
9354 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9355 for generating label.
9357 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9359 * config/i386/djgpp.h: Add comments about standard paths.
9360 (MD_EXEC_PREFIX): Undefine before defining.
9361 (MD_STARTFILE_PREFIX): New.
9363 2001-01-30 Bruce Korb <bkorb@gnu.org>
9365 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9366 (load_file): do not rely on load_file_data() to close file pointer
9367 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9368 fixinc/inclhack.def(irix_limits_const): add test_text
9370 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9372 * cppexp.c (parse_defined): Improve diagnostics for invalid
9375 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9377 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9379 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9381 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9382 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9383 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9384 (rs6000_output_symbol_ref): New function.
9385 (output_toc): Use VTABLE_NAME_P.
9387 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9389 * print-tree.c (print_node, case PARM_DECL):
9390 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9392 * stor-layout.c (reference_types_internal): New variable.
9393 (internal_reference_types): New function.
9394 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9395 * tree.h (internal_reference_types): New declaration.
9397 * cse.c (find_best_addr): Fix typo in computing cost.
9399 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9401 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9402 and this is the sum of a pointer and a constant, we know the result
9404 (num_sign_bit_copies, case PLUS): Likewise.
9405 * explow.c (convert_memory_address): Remove opposite SUBREG.
9406 * function.c (instantiate_new_reg): New function (from common code).
9407 (instantiate_virtual_regs_1): Call it.
9408 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9409 if pointers sign- or zero-extend.
9410 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9411 If pointers extend unsigned, use inside of SUBREG.
9412 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9414 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9416 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9417 subdir of gcc_gxx_include_dir.
9418 (gcc_gxx_target_include_dir): Remove.
9420 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9422 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9423 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9424 a high-level description.
9426 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9428 * final.c: Move the declaration of profile_label_no to ...
9429 * output.h: ... here.
9430 * function.c (expand_function_start): Call PROFILE_HOOK.
9431 * config/rs6000/aix.h: Define PROFILE_HOOK.
9432 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9433 * config/rs6000/rs6000.c (output_profile_hook): Define.
9434 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9435 output_profile_hook.
9436 tm.texi : Explain new macro PROFILE_HOOK.
9438 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9440 * extend.texi (Extended Asm): Do not say that semicolon is always
9441 a valid line-breaking character for GNU assemblers. Use
9442 newline-tab as the most commonly supported syntax. Use
9443 newline-tab rather than semicolon in multi-insn examples.
9445 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9447 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9449 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9450 David Edelsohn <edelsohn@gnu.org>
9452 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9453 code for AIX, even without flag_pic.
9455 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9457 * c-typeck.c (common_type): push and pop binding level around
9458 calling common_type on function parameters.
9460 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9462 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9464 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9466 * config/mips/mips.c (override_options): Fix typo in last change.
9467 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9468 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9470 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9472 * invoke.texi (-fdump-class-layout): Document.
9473 (-fdump-translation-unit): Use `=' as filename separator.
9475 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9477 * Makefile.in (s-mlib): Don't build multilibs if
9479 (DRIVER_DEFINES): Adjust accordingly.
9481 (protoize.o): Likewise.
9482 (unprotoize.o): Likewise.
9483 * configure.in: Recognize --enable-multilib.
9485 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9487 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9489 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9490 * configure.in: Remove --enable-libstdcxx_v3 support.
9491 * configure: Regenerated.
9493 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9495 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9496 Call abort instead of fatal.
9497 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9498 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9499 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9500 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9501 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9502 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9504 * diagnostic.h (set_internal_error_function): Renamed.
9505 * toplev.h (internal_error): Renamed from fatal.
9506 (pfatal_with_name): Deleted.
9507 (fatal_io_error): Now has printf-style arguments.
9508 * diagnostic.c (pfatal_with_name): Deleted.
9509 (fatal_io_error): Rework to have args in printf-style.
9510 (set_internal_error_function): Renamed from set_fatal_function.
9511 (internal_error): Renamed from fatal.
9512 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9513 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9514 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9515 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9516 * flow.c (verify_flow_info): Likewise.
9517 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9518 * config/mips/mips.c (save_restore_insns): Likewise.
9520 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9521 * flow.c (verify_flow_info): Likewise.
9522 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9523 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9524 (avr_normalize_condition): Likewise.
9525 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9526 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9527 (limit_reload_class, double_reg_to_memory): Likewise.
9528 (print_operand_address, emit_1600_code_shift): Likewise.
9529 (gen_tst_reg, gen_compare_reg): Likewise.
9530 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9531 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9533 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9535 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9536 * objc/objc-act.c (build_ivar_chain): Likewise.
9537 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9539 * graph.c (clean_graph_dump_file): Likewise.
9540 * profile.c (init_branch_prob): Likewise.
9541 * objc/objc-act.c (objc_init): Likewise.
9543 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9544 * config/avr/avr.c (avr_override_options): Likewise.
9545 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9546 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9547 * config/h8300/h8300.c (h8300_init_once): Likewise.
9548 * config/mips/mips.c (override_options): Likewise.
9549 * config/i386/i386.c (override_options): Likewise, rework.
9550 * config/m68k/m68k.c (override_options): Likewise.
9552 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9554 * config/mips/mips.c (print_operand): Likewise.
9555 * hash.c (hash_allocate): Don't check for failure returns from
9556 obstack functions that can't fail.
9557 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9558 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9559 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9560 (get_object_reference): Likewise.
9562 2001-02-04 Nick Clifton <nickc@redhat.com>
9564 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9565 StrongARM1110, 10TDMI, and 1020T.
9567 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9569 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9571 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9573 * config/sh/sh.md (movdf load split): Pass register number to
9574 FP_OR_XD_REGISTER_P.
9576 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9578 * cppinit.c (BC): New macro.
9579 (builtin_array): Add __GXX_WEAK__.
9580 * cpplib.h (builtin_type): Add BT_WEAK.
9581 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9582 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9583 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9585 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9587 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9589 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9591 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9592 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9594 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9596 * cpphash.h: Rename ALIGN _ALIGN.
9597 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9599 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9601 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9602 compilation environment.
9603 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9604 control over location of cygwin includes and libs.
9606 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9608 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9610 2001-02-02 lars brinkhoff <lars@nocrew.org>
9612 * md.texi (Standard Names): remove reference to spur.md.
9614 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9616 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9617 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9618 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9619 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9620 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9622 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9624 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9625 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9626 number before reload.
9627 (c4x_adjust_cost): Return zero before reload.
9628 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9629 split before reload.
9631 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9633 * c4x.c (c4x_hard_regno_rename_ok): New.
9634 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9635 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9637 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9639 * diagnostic.h: Add missing "extern" in all declarations.
9641 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9643 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9644 as for gcc_gxx_include_dir.
9646 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9648 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9650 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9652 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9653 label before alignment to be used as the braf base address.
9654 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9656 (casesi_jump_2): Require at least TARGET_SH2.
9658 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9659 truncation to 32-bit doubles on -m3e and -m4-single-only.
9661 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9663 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9664 the default when building a shared object.
9665 (init_spec): Use it.
9666 * testsuite/lib/g++.exp: Include the directory where libgcc
9667 is located to the LD_LIBRARY_PATH list.
9668 * invoke.texi (-shared-libgcc): Document the cases in which
9669 GCC defaults to using the shared libgcc.
9671 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9673 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9674 unsigned is wide enough.
9676 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9677 (si_to_float): Likewise.
9678 (float_to_si, float_to_usi): Use BITS_PER_SI.
9680 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9682 * dwarf2out.c: Added explanation of abbreviations.
9683 (def_cfa_1): Added comments listing DWARF2 instructions.
9684 (cfa_temp_reg): Removed in favor of cfa_temp.
9685 (cfa_temp_value): Removed in favor of cfa_temp.
9686 (cfa_temp): New global variable.
9687 (dwarf2out_frame_debug_expr): Added extensive introductory
9688 comments explaining the function's transformations. Revised to
9689 use cfa_temp. Added some rtx checking. Generalize IOR case.
9690 (dwarf2out_frame_debug): Revised to use cfa_temp.
9691 (output_aranges): Cast as "unsigned" to avoid warning.
9692 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9693 explain which instructions must be marked.
9695 2001-02-01 Richard Henderson <rth@redhat.com>
9697 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9700 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9702 * config/sh/crt1.asm (main_k): Modified so that start calls
9703 ___setup_argv_and_call_main.
9705 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9707 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9708 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9709 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9710 * cppmacro.c (builtin_macro): Set builtin flags here.
9711 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9712 (replace_args): Clarify intent.
9713 (cpp_get_token): Macro expansion tokens get the saved flags.
9715 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9718 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9720 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9723 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9725 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9726 returns Pmode pseudo, but we need ptr_mode.
9727 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9728 Remove bogus conversions; use HOST_WIDE_INT for size.
9729 Don't use TARGET if wrong mode.
9731 * config/i386/i386.c (ix86_compute_frame_size): Allow
9732 stack_alignment_needed to be non-default even if size is zero.
9734 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9736 * pa.c (hppa_init_pic_save): New function.
9737 * pa.h (hppa_init_pic_save): Declare.
9738 * pa.md (call, call_value, sibcall, sibcall_value): Use
9739 the above instead of duplicated code.
9741 * pa.c (hppa_encode_label): Correct size of alloca buffer
9742 so we don't overrun it. Correct leading `*' case.
9743 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9744 need to handle `*@'.
9745 (FUNCTION_NAME_P): Likewise.
9747 2001-01-31 Richard Henderson <rth@redhat.com>
9749 * config.gcc (alpha-osf5): Use float-i128.h.
9751 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9752 * config/float-i32.h: Likewise.
9753 * config/float-i64.h: Likewise.
9754 * config/float-sh.h: Likewise.
9755 * config/float-sparc.h: Likewise.
9757 2001-01-31 DJ Delorie <dj@redhat.com>
9759 * expmed.c (extract_bit_field): allow non-integral modes if we
9760 want to extract a whole register from itself.
9762 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9764 * c-typeck.c (set_init_index): If first is equal to last, assume as
9765 if it was not a range at all.
9767 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9769 * config/fp-bit.c: Include tm.h.
9770 (float_to_si): Don't assume SImode is 32-bits wide.
9771 (float_to_usi): Likewise.
9773 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9775 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9777 (typename): Call pending_xref_error after parsing typed_typespecs.
9778 * c-decl.c (lookup_tag): Give error immediately rather than
9779 leaving it pending if the tag of the wrong type is in the same
9781 (xref_tag): Don't pedwarn for forward declarations of enum types
9783 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9786 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9788 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9790 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9792 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9793 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9795 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9797 * cpphash.h (struct cpp_reader): New saved_flags.
9798 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9799 to avoid a paste after a pasted token.
9801 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9803 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9804 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9805 Wtype_MIN instead of LONG_MIN.
9807 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9809 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9811 * fixinc/fixincl.x: Regenerated.
9812 * fixinc/inclhack.def (irix_limits_const): New definition to
9813 convert "const" to "__const" in limits.h.
9815 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9817 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9819 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9821 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9822 when register dies in the insn.
9824 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9826 * diagnostic.c (fatal): Fix word wrap.
9828 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9830 * combine.c (try_combine): Fix SUBREG setting for
9831 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9833 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9835 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9838 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9840 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9842 * toplev.c (decode_W_option): Update warn_larger_than
9843 unconditionally for each processed switch.
9845 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9847 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9849 (hppa_expand_prologue): Delete code to save pic offset table register
9850 in the function prologue.
9851 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9852 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9853 table register at the beginning of the function after the prologue.
9855 2001-01-29 lars brinkhoff <lars@nocrew.org>
9857 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9859 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9860 Jeff Law <law@redhat.com>
9862 * pa.md (return): Revise comment for trivial return.
9863 (return_internal): Non-trivial return pattern for non-PIC code.
9864 (return_internal_pic): Non-trivial return pattern for PIC code.
9865 It uses the PIC register to ensure it is restored after
9867 (epilogue): Generate appropriate return for PIC and non-PIC code.
9869 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9871 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9873 2001-01-29 DJ Delorie <dj@redhat.com>
9875 * combine.c (if_then_else_cond): Pass the correct mode to
9876 operand_subword() for constants.
9878 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9880 * config/i386/cygwin.h: Add w32api to include search. Search different
9881 directories in a cross-build environment.
9883 2001-11-29 Tim Josling <tej@melbpc.org.au>
9885 * tree.h (TYPE_STUB_DECL): Add documentation.
9887 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9889 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9890 (sdbout_field_types): Likwise. Fix use of host_integerp.
9892 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9894 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9897 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9899 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9900 to use flag_gnu_linker.
9902 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9904 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9905 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9907 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9909 * tree.c, tree.h (build_parse_node): Remove; was identical to
9911 * c-lang.c (start_cdtor), objc/objc-act.c
9912 (build_module_descriptor): Use build_nt instead of
9915 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9917 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9918 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9919 not have any upper bits set.
9921 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9923 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9925 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9927 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9929 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9931 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9932 (integer_minus_one_node): Define.
9934 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9936 * Makefile.in (bootstrap2-lean): Fix typo.
9938 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9940 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9941 : Don't set fe_value.
9942 * cpplib.h (AVOID_LPASTE): New flag.
9943 (struct cpp_hashnode): Remove fe_value.
9944 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9945 * cppmacro.c (builtin_macro): Don't set flags here.
9946 (replace_args): Set AVOID_LPASTE flag on first token of an
9947 argument, and the token following it.
9948 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9949 macro expansion, and on the token following it. Do it for
9951 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9953 2001-01-27 Richard Henderson <rth@redhat.com>
9955 * config/alpha/t-ieee: Remove multilibbing.
9956 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9958 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9960 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9962 * Makefile.in: Remove all dependencies on defaults.h.
9963 * builtins.c: Don't include defaults.h.
9964 * c-common.c: Likewise.
9965 * c-decl.c: Likewise.
9966 * c-pragma.c: Likewise.
9967 * c-typeck.c: Likewise.
9968 * combine.c: Likewise.
9970 * frame-ia64.c: Likewise.
9971 * cppexp.c: Likewise.
9972 * crtstuff.c: Likewise.
9973 * dbxout.c: Likewise.
9974 * dwarf2out.c: Likewise.
9975 * dwarfout.c: Likewise.
9976 * emit-rtl.c: Likewise.
9977 * except.c: Likewise.
9979 * final.c: Likewise.
9980 * frame-dwarf2.c: Likewise.
9981 * libgcc2.c: Likewise.
9982 * optabs.c: Likewise.
9983 * profile.c: Likewise.
9984 * sdbout.c: Likewise.
9985 * toplev.c: Likewise.
9986 * tradcif.y: Likewise.
9988 * varasm.c: Likewise.
9990 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9992 * builtins.c (expand_builtin_fputs): Use size_one_node when
9993 transforming into fwrite.
9995 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9997 * extend.texi (Attribute Syntax): New section.
9999 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10001 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10002 they didn't need fixing.
10004 2001-01-27 Janis Johnson <janis@us.ibm.com>
10006 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10008 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10009 to remove macro definitions that are duplicated from elfos.h.
10011 2001-01-27 Richard Henderson <rth@redhat.com>
10013 * config/i386/sco5gas.h: Move ...
10014 * config/usegas.h: ... here.
10015 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10017 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10019 * c-typeck.c (struct constructor_stack): Add range_stack member.
10020 (really_start_incremental_init): Clear it.
10021 (push_init_level): Save constructor_range_stack and clear it if
10022 pushing explicit braces.
10023 (pop_init_level): abort if constructor_range_stack is non-zero at
10024 explicit closing brace. Restore saved constructor_range_stack if
10027 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10029 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10030 into register was forced into memory.
10032 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10034 * Makefile.in: Remove uses of + before $(MAKE).
10036 2001-01-26 Richard Henderson <rth@redhat.com>
10038 * stmt.c (cost_table): Remove.
10039 (COST_TABLE, cost_table_initialized): New.
10040 (estimate_case_costs): Use the later instead of the former.
10041 (balance_case_nodes): Likewise.
10043 2001-01-26 Richard Henderson <rth@redhat.com>
10045 * alias.c (objects_must_conflict_p): Read-only slots may not
10046 conflict despite having the same type.
10048 2001-01-27 Michael Hayes <mhayes@redhat.com>
10050 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10052 (check_ext_dependant_givs): Initialise u_start_val and
10054 (load_mems): Make last_max_reg unsigned.
10055 (try_swap_copy_prop): Use INSN_P and initialise set.
10057 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10059 * README.AVR : Removed.
10061 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10063 * pa-64.h (text_section): Remove declaration.
10065 * pa.md (return_internal): Remove mode on PIC register use.
10067 2001-01-25 lars brinkhoff <lars@nocrew.org>
10069 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10070 ASM_CLOSE_PAREN): fix typos.
10072 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10074 * acconfig.h: Define `const' to the empty string if neither
10075 __STDC__ nor __cplusplus is defined.
10076 * config.in: Regenerated.
10078 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10080 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10081 * collect2.c (main): Delete importf. Add ".obj" file extension.
10082 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10083 (aix_std_libs): Add additional AIX libraries to skip.
10084 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10085 * config/rs6000/aix51.h: New file.
10087 2001-01-25 Michael Hayes <mhayes@redhat.com>
10089 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10090 (loop_insn_emit_before): No longer static.
10091 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10092 (loop_givs_rescan, load_mems): Likewise.
10093 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10094 (maybe_eliminate_biv_1):
10095 (move_movables): Replace emit_call_insn_before with
10096 loop_call_insn_hoist.
10097 * loop.h (loop_insn_emit_before): Add.
10098 * unroll.c (copy_loop_body): Replace emit_insn_before with
10099 loop_insn_emit_before.
10101 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10103 * diagnostic.c (fatal): Request preprocessed source.
10105 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10107 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10108 olddecl has argument types and newdecl has none, use the argument
10109 types from olddecl.
10111 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10113 * dwarf2out.c (prefix_of): New function. Determine longest common
10114 prefix of the two arguments. The units are whole path components.
10115 (output_file_names): When adding a new directory find the one entry
10116 with the longest common prefix already in the list. Artificially
10117 generate entry if there is none for this prefix.
10118 Fix test to check whether the zeroth directory entry is used.
10120 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10122 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10123 Changed all callers. Take it into account when deciding if a
10124 previously loaded value matches.
10126 2001-01-24 Richard Henderson <rth@redhat.com>
10128 * reload.c (find_reloads_subreg_address): Fail the substitution
10129 if the resulting address is insufficiently aligned.
10131 2001-01-24 DJ Delorie <dj@redhat.com>
10133 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10134 check the original operand's mode also.
10135 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10137 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10139 * c-parse.in (cast_expr): Move compound literals from here ...
10140 (primary): ... to here. Use standard terminology "compound
10141 literal" instead of "constructor expression".
10143 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10145 * gcc.1, cpp.1: Regenerate.
10147 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10149 * calls.c (emit_library_call_value_1): Memory slot for
10150 pass-by-reference argument should have the mode of the argument,
10151 not of the pointer to it.
10153 2001-01-24 Tom Tromey <tromey@redhat.com>
10155 * gcc.texi (G++ and GCC): Mention gcj manual.
10156 (Standards): Link to section of manual mentioning gcj/Java
10159 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10161 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10162 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10163 * tradcpp.c (main): Add -imacros or -include'd dependencies
10165 * cpp.texi (-M, -MM): Document -M -include behaviour.
10167 2001-01-24 Roger Collins <roger@ProProject.com>
10169 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10171 2001-01-24 Will Cohen <wcohen@redhat.com>
10173 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10174 whether registers are 32 bits or 64 bits in size.
10176 2001-01-24 Ben Elliston <bje@redhat.com>
10178 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10180 2001-01-24 Richard Henderson <rth@redhat.com>
10182 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10183 (builtin_longjmp): Use it instead of emit_indirect_jump.
10185 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10187 * bb-reorder.c (make_reorder_chain_1): Handle case where
10188 jump edge goes to the same block as the fallthru edge.
10190 2001-01-23 Jim Wilson <wilson@redhat.com>
10192 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10193 * frame.h (__ia64_personality_v1): Add prototype.
10194 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10195 prototype form. Add void * cast to first argument to personality
10197 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10198 (asctoe113): Likewise.
10199 * config/ia64/frame-ia64.c: Include eh-common.h.
10200 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10202 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10204 (itanium_split_issue): Add prototype.
10205 (gen_nop_type): Ifdef out.
10206 (find_best_packet): Initialize best_packet.
10207 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10209 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10210 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10211 (flushrs): Add explicit stop bit at end.
10212 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10215 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10217 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10219 * libgcc2.c (__terminate_func): Make variable static.
10220 (__terminate_set_func): New function to set __terminate_func.
10221 * libgcc2.h (__terminate_func_ptr): New typedef.
10222 (__terminate_set_func): New function.
10224 2001-01-23 Richard Henderson <rth@redhat.com>
10226 * flow.c (init_propagate_block_info): Don't consider unchanging
10227 memories for dead frame store elimination.
10229 2001-01-23 Richard Henderson <rth@redhat.com>
10231 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10232 * defaults.h: ... here.
10234 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10236 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10238 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10240 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10242 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10244 * rs6000.h (rs6000_return_addr): Move prototype from here...
10245 * rs6000-protos.h (rs6000_return_addr): ...to here.
10246 (rs6000_init_expanders): Delete prototype.
10248 2001-01-23 Nick Clifton <nickc@redhat.com>
10250 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10251 (Spec Files): Document %B and %j and %. and %v3 and %M and
10252 %{S*&T} spec switches.
10254 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10256 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10258 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10259 Neil Booth <neil@daikokuya.demon.co.uk>
10261 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10262 Have -Werror make pedantic warnings errors, like the
10265 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10267 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10269 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10271 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10272 * integrate.c (expand_inline_function): Initialize them.
10273 (subst_constants): If changing COMPARE so that both its arguments
10274 will be VOIDmode and the comparison mode will be lost, note
10275 compare_mode. Use the recorded compare_mode to optimize
10278 2001-01-23 Jason Merrill <jason@redhat.com>
10280 * dwarf2out.c (new_die): Use xcalloc.
10281 (output_die): Abort rather than emit a local reference to offset 0.
10283 2001-01-17 Andrew Haley <aph@redhat.com>
10285 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10286 of a saved register; return NULL instead.
10287 (copy_reg): Take a pointer to a source register rather than a
10289 (next_stack_level): Remember the address in the stack frame of all
10291 Use the saved register pointer array as the source of the CFA.
10292 (throw_helper): Rewrite. Unwind once rather than twice and keep
10293 track of saved registers as we go.
10295 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10297 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10298 * c4x.c (c4x_legitimize_reload_address): Remove.
10299 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10300 reload address for ldp(k) insn.
10302 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10304 * pa.md (return_internal): Add a USE of the PIC register to ensure
10305 it is restored after each call.
10306 (return expander): Corresponding changes.
10308 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10310 * rs6000.h (INIT_EXPANDERS): Delete.
10311 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10312 * rs6000.c (rs6000_override_options): Call *_machine_status from
10314 (rs6000_init_expanders): ...instead of here. Delete.
10315 (rs6000_mark_machine_status): New function.
10316 (rs6000_init_machine_status): Use xcalloc.
10317 (rs6000_return_addr): Generate RTX for the return address.
10318 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10319 (rs6000_stack_info): Use it.
10321 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10323 * gthr-win32.h: Include errno.h to get a declaration for
10324 EINVAL and _mingw.h if the target is mingw32.
10326 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10328 * cpp.texi: Correct typos.
10330 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10332 * explow.c (probe_stack_range): Ensure value passed to
10333 stack_check_libfunc is ptr_mode, not Pmode.
10335 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10337 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10338 case, don't use operand_subword to calculate a SUBREG that is
10341 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10343 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10345 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10346 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10347 valid. If not replace it by equivalent insns.
10349 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10351 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10352 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10353 (c4x_U_constraint, symbolic_address_operand): Likewise.
10354 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10356 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10357 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10358 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10359 anulling slot because of silicon bug.
10360 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10362 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10364 * cppexp.c (parse_charconst): Change `mask' type to agree
10367 2001-01-21 Richard Henderson <rth@redhat.com>
10369 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10370 pic_label_name in a linkonce section.
10372 2001-01-17 Philipp Thomas <pthomas@suse.de>
10374 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10376 * configure: Regenerate.
10378 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10380 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10381 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10383 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10385 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10386 If REVERSE nonzero then condition code in X must be reversed.
10387 (encode_section_info): Optimise if/else.
10388 (avr_function_value): Fix formatting.
10390 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10391 (difficult_branch): Likewise.
10392 (rvbranch): Likewise.
10393 (difficult_rvbranch): Likewise.
10395 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10397 * config/avr/libgcc.S: Fix comment.
10399 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10401 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10403 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10405 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10407 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10409 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10410 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10411 * configure, config.in: Regenerate.
10412 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10413 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10414 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10415 (doprint.o): New rule.
10417 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10419 * c-typeck.c (digest_init): Handle boolean types as scalars.
10421 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10423 * stmt.c (expand_return): Don't return anything if size is zero.
10424 Delete redundant assignment to BYTES.
10425 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10427 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10429 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10430 the same as the default library function names.
10431 * config/avr/avr.md: Document special characters after '%'.
10432 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10433 knowing which of the call-used registers are really clobbered.
10434 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10435 New. Both quotient and remainder from one libgcc.S call.
10436 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10437 clobber as few registers as possible.
10438 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10440 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10442 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10443 context of the top of the stack.
10445 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10447 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10448 (fixup_var_refs_insns): ...here.
10450 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10452 * function.c (fixup_var_refs_insns): Break up into
10453 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10454 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10455 [loop over hash table entries].
10456 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10457 fixup_var_refs_insns_with_hash, to match above changes.
10459 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10461 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10462 (libgcc.a): Likewise.
10463 (stmp-multilib): Likewise.
10464 (STAGE2_FLAGS_TO_PASS): Likewise.
10466 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10468 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10469 temporary if no_new_pseudos.
10471 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10473 * cppinternals.texi: Update.
10475 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10477 * arm.c (arm_init_builtins): Re-enable builtins.
10479 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10481 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10482 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10483 element to be null, and always expect an EXPR_LIST.
10484 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10485 * sched-deps.c (sched_analyze_1): Likewise.
10486 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10488 * regclass.c (max_set_parallel): New variable.
10489 (reg_scan): Take it into account in computation of max_parallel.
10490 (reg_scan_mark_refs, case SET): Compute it.
10492 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10494 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10495 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10497 2001-01-19 Jason Merrill <jason@redhat.com>
10499 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10500 for the abstract instance of an inline function.
10502 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10503 J"orn Rennecke <amylaar@redhat.com>
10505 * reload1.c (move2add_note_store): Treat all registers directly or
10506 indirectly derived from a base register as members of the same set
10508 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10509 of base register into account.
10511 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10513 * alias.c (find_base_value): Recognize TRUNCATE.
10514 (record_set): In PLUS case, invalidate if other summand is also a
10517 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10519 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10520 entry to be EXPR_LIST.
10521 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10522 be an EXPR_LIST (but not null, which other code doesn't allow).
10523 (note_stores): Properly handle PARALLEL in SET.
10524 Recursively call for top-level PARALLEL.
10525 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10526 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10528 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10530 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10532 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10533 not pfile->skipping (== 0).
10535 2001-01-17 Nick Clifton <nickc@redhat.com>
10537 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10540 2001-01-17 Jim Wilson <wilson@redhat.com>
10542 * invoke.texi (IA-64 options): Improve.
10544 2001-01-17 Tom Tromey <tromey@redhat.com>
10546 * invoke.texi (Optimize Options): Use `{}' to around @samp
10549 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10551 * invoke.texi (-fno-guess-branch-probability): New option.
10553 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10555 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10556 case of making new double-word constant.
10557 Revert last change: instead just test i3_subst_into_i2.
10559 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10561 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10562 Use q constraints instead of r.
10564 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10566 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10567 (machine_function): Define.
10568 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10569 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10570 pa_free_machine_status): New functions.
10571 (override_options): Set {init,mark,free}_machine_status to above.
10572 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10573 PIC_OFFSET_TABLE_REGNUM_SAVED.
10574 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10575 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10576 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10577 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10578 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10580 2001-01-15 DJ Delorie <dj@redhat.com>
10582 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10586 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10588 * flow.c (propagate_one_insn): Make trying to delete a prologue
10589 or epilogue insn an ICE, not a warning. Allow doing this if
10590 the current function returns with stack pointer depressed.
10592 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10593 I3 having more than one SET.
10595 2001-01-16 Jim Wilson <wilson@redhat.com>
10597 * invoke.texi: Document IA-64 options.
10599 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10600 (fixup_errata): Delete TARGET_A_STEP use.
10601 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10602 (TARGET_SWITCHES): Delete -ma-step option.
10603 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10604 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10605 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10606 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10607 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10608 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10610 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10611 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10612 cmovsi_internal): Delete ! TARGET_A_STEP check.
10614 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10616 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10617 possibility to report bugs via postal mail. Change a URL and
10618 merge in a nearly duplicate statement...
10619 (Bug Reporting): ...from here.
10620 (Service): Refer to the Bug Reporting section instead of
10621 duplicating an URL.
10622 (Contributing): Remove trivial explanations concerning snapshots.
10624 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10626 * cppmain.c (general_init): Don't use ANSI prototype.
10628 2001-01-16 Tom Tromey <tromey@redhat.com>
10630 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10632 2001-01-16 Richard Henderson <rth@redhat.com>
10634 * config/i386/i386.h: Fix comment typo.
10635 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10636 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10638 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10640 * gcc.c: Revert previous -fsyntax-only-related change; move
10643 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10645 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10646 inmode after checking GET_CODE (op).
10648 2001-01-16 Richard Henderson <rth@redhat.com>
10650 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10651 (MAX_MEM_SET_LIST_LEN): New.
10652 (propagate_one_insn): Update mem_set_list_len.
10653 (invalidate_mems_from_autoinc): Likewise.
10654 (invalidate_mems_from_set): Likewise.
10655 (mark_used_regs): Likewise.
10656 (init_propagate_block_info): Likewise. Stop collecting memories
10657 when we reach MAX_MEM_SET_LIST_LEN.
10658 (mark_set_1): Likewise.
10660 2001-01-16 Richard Henderson <rth@redhat.com>
10662 * unroll.c (precondition_loop_p): Fail if no iteration
10665 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10667 * gcc.c: When -fsyntax-only is given, do not complain about
10670 2001-01-15 Richard Henderson <rth@redhat.com>
10672 * config/i386/i386.c (asm_output_function_prefix): Remove.
10673 (ix86_asm_file_end): New.
10674 (load_pic_register): Generate pic_label_name into a
10675 staticly allocated buffer.
10676 * config/i386/i386-protos.h: Update.
10677 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10678 (ASM_FILE_END): New.
10679 * config/i386/i386afe.h: New file.
10680 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10681 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10682 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10683 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10684 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10685 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10686 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10688 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10690 * Makefile.in (install-man): Remove explicit dependency on
10693 * configure.in, configure: Revert previous patch requiring perl
10696 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10698 * toplev.c (flag_guess_branch_prob): New.
10699 (f_options): Add guess-branch-probability option.
10700 (rest_of_decl_compilation): Only estimate branch probability if
10702 (main): set flag_guess_branch_prob.
10704 * flags.h (flag_guess_branch_prob): New.
10706 2001-01-15 DJ Delorie <dj@redhat.com>
10708 * gcc.texi (Makefile): Add documentation for Makefile targets.
10710 2001-01-15 Philip Blundell <philb@gnu.org>
10712 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10714 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10715 (is_pic): Delete declaration.
10716 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10717 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10718 * config/arm/arm.md (builtin_setjmp_receiver): New.
10720 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10722 * arm.c (use_return_insn): Don't try to determine the function type
10723 until after reload has completed.
10724 (arm_output_epilogue): Don't adjust the sp value recovered from the
10726 (emit_multi_reg_push): Don't record dwarf information for the pc.
10727 * arm.md (eh_epilogue): The function type may have changed, so it
10728 needs to be recalculated.
10729 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10730 unwind tables on arm/netbsd.
10732 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10734 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10735 (negated_cbranchsi4): Likewise.
10737 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10739 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10740 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10741 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10742 pass -mapcs-* options to assembler.
10743 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10744 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10745 (ASM_SPEC): Call subtarget_extra_asm_spec.
10747 2001-01-15 Andreas Jaeger <aj@suse.de>
10749 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10751 (ix86_expand_builtin): Likewise.
10753 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10754 warning about comparison between signed and unsigned.
10756 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10758 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10760 2001-01-14 Ralf Baechle <ralf@gnu.org>
10762 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10763 SUBTARGET_CPP_SPEC apropriatly.
10765 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10767 * varasm.c (make_decl_rtl): Fix typo in last change.
10769 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10771 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10772 linker supports the init_priority C++ attribute.
10773 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10774 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10775 linker does not support init_priority C++ attribute.
10777 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10779 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10781 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10783 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10784 * cp/lex.c (finish_parse): Similarly.
10785 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10786 Return the number of errors encountered.
10787 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10788 * cppmain.c (main): Don't call cpp_destroy.
10790 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10792 * configure.in: Require at least perl 5.6.0 to regenerate
10794 * configure: Regenerate.
10796 2001-01-14 Richard Henderson <rth@redhat.com>
10798 * genrecog.c (DT_veclen_ge): New.
10799 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10800 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10801 (nodes_identical_1): Handle DT_veclen_ge.
10802 (write_cond, debug_decision_2): Likewise.
10804 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10806 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10808 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10810 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10812 * cppmain.c (do_preprocessing): New function; most of the old
10814 (main): Call it to do most of the work.
10815 (cb): Move from global scope to set_callbacks ().
10816 (setup_callbacks): Get the callback pointer.
10817 (general_init, printer_init): Clean up code and comments.
10819 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10821 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10824 2001-01-14 Kazu Hirata <kazu@hxi.com>
10826 * config/h8300/h8300.c (get_shift_alg): Update comments.
10828 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10830 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10831 (alloc_page, ggc_alloc): Add casts to remove warnings.
10833 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10835 * combine.c (simplify_comparison): Don't change `code' when
10836 can't reverse comparison.
10838 2001-01-14 Richard Henderson <rth@redhat.com>
10840 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10841 update all call sites. Return true for all non-label constants.
10843 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10845 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10847 (ix86_expand_branch): Update.
10848 (ix86_expand_setcc): Update to handle multiple test conditions.
10849 (expand_int_movcc): Likewise.
10850 (expand_fp_movcc): Likewise.
10851 * i386-protos.h (ix86_expand_compare): New.
10852 * i386.md (andqi_?_slp, orqi_?_slp): New.
10853 (conditional trap expander): Update call to ix86_expand_compare.
10855 2001-01-14 Richard Henderson <rth@redhat.com>
10857 * config/vax/vax.md: Use nonimmediate_operand instead of
10858 general_operand in destinations.
10860 * config/vax/vax.md (indirect_jump): Use register_operand.
10862 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10863 * config/vax/vax.md (call_pop): Turn into an expander.
10864 (call_value_pop): Likewise.
10865 (call, call_value): New.
10867 2001-01-14 Andreas Jaeger <aj@suse.de>
10869 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10871 (ix86_fp_compare_mode): Add unused attribute.
10872 (ix86_expand_fp_movcc): Remove unused variable.
10873 (ix86_expand_builtin): Make fcode unsigned.
10875 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10876 (expand_expr): Add cast to avoid signed warning.
10877 (store_field): Likewise.
10878 (store_constructor_field): Likewise.
10879 (store_constructor): Likewise.
10880 (store_expr): Likewise.
10881 (clear_storage): Likewise.
10882 (emit_group_store): Likewise.
10883 (emit_group_load): Likewise.
10885 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10887 * c-common.c: Move format checking code to ...
10888 * c-format.c: ... here. New file. Reorder some functions and
10890 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10892 * c-common.h (decl_handle_format_attribute,
10893 decl_handle_format_arg_attribute): Declare.
10894 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10895 (c-common.o): Adjust dependencies.
10896 (c-format.o): New list of dependencies.
10898 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10900 * unroll.c (loop_iterations): If we cannot prove iteration variable
10901 is set once in each iteration, punt.
10903 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10905 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10906 (*strlenhi): Remove clobber (which was buggy) of output address.
10908 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10910 * Makefile.in (generated-manpages): Add gcc.1
10911 ($(srcdir)/gcc.1): New target.
10912 (maintainer-clean): Delete $(srcdir)/gcc.1.
10913 * gcc.texi: Add macros @gccoptlist and @gol.
10914 * invoke.texi: Include option summary in manpage. Mark up option
10915 summary with @gccoptlist and @gol. Use @r in one place where
10917 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10918 * gcc.1: Generate from invoke.texi.
10920 2001-01-13 Richard Henderson <rth@redhat.com>
10922 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10923 (struct page_entry): Add group member.
10924 (struct page_group): New.
10925 (struct globals): Add page_groups member.
10926 (alloc_anon): Only define for using mmap; remove valloc call.
10927 (page_group_index): New.
10928 (set_page_group_in_use): New.
10929 (clear_page_group_in_use): New.
10930 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10931 (free_page, release_pages): Likewise.
10932 * configure.in (with-gc): Default to ggc-page always.
10934 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10936 * reload1.c (replace_pseudos_in_call_usage): Use
10937 reg_equiv_constant and reg_equiv_address, and don't try
10938 regno_reg_rtx first.
10940 2001-01-13 Richard Henderson <rth@redhat.com>
10942 * ggc-page.c (alloc_page): Round up allocation size to one page.
10943 Set e->order on extra pages.
10945 2001-01-13 Richard Henderson <rth@redhat.com>
10947 * genrecog.c (nodes_identical): Expand commentary.
10948 (write_switch): Watch out for identical nodes.
10950 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10952 * cppfiles.c (_cpp_fake_include): New function.
10953 * cpphash.h (_cpp_fake_include): New.
10954 * cpplib.c (do_line): Call _cpp_fake_include when entering
10955 header files in preprocessed input.
10956 * cppmain.c (cb_pragma_implementation): Remove handling.
10957 (setup_callbacks): Don't register pragmas.
10959 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10961 * extend.texi: Udate for CPP.
10963 2001-01-13 Andreas Jaeger <aj@suse.de>
10965 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10967 * regmove.c: Add prototype for replace_in_call_usage.
10969 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10971 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10972 struct cpp_chunk, struct htab, struct toklist,
10973 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10974 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10975 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10976 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10977 (struct macro_args): Delete.
10978 * cpphash.h: See above.
10980 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10982 * cppmain.c (struct printer): Remove no_line_dirs.
10983 (options, cb): New.
10984 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10985 : Use options rather than CPP_OPTION.
10986 (setup_callbacks): Use cb rather than pfile->cb.
10987 (main): No need to check for a buffer. Use cpp_errors.
10988 (printer_init): Don't set no_line_dirs.
10989 (maybe_print_line): Use options not no_line_dirs.
10990 (cb_file_change): Don't call print_line if -P.
10992 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10994 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10996 * c-parse.in (finish_parse): Use cpp_errors.
10997 (__yylex): Use return value of cpp_pop_buffer.
10998 * cp/lex.c (finish_parse): Use cpp_errors.
10999 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11001 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11003 * README.AVR: URLs corrected.
11005 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11007 * c-decl.c (start_function): Don't warn if old prototype is builtin
11008 that's not in C's namespace.
11009 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11010 (_bb): Add prototype for ctime.
11011 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11013 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11015 * i386.c (ix86_fp_comparison_arithmetics_cost,
11016 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11017 ix86_fp_comparison_cost): New functions.
11018 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11019 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11020 two-branch sequences; make static.
11021 (ix86_use_fcomi_compare): Do decision according to the costs.
11022 (split_fp_branch): New.
11023 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11024 * i386-protos.h (ix86_expand_fp_compare): Remove
11025 (ix86_split_fp_branch): Declare.
11027 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11028 and ix86_comparison_operator.
11030 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11031 to make it cheaper.
11033 * i386.c (put_condition_code): Output properly the unordered/ordered
11034 compares in fp case.
11035 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11037 * tm.texi (REVERSE_CONDITION): Document.
11038 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11039 in -ffast-math mode.
11040 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11042 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11044 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11046 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11049 * config/sh/sh.c (mova_p): Fix test for mova_const.
11051 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11053 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11054 cpp_get_options rather than dereferencing pfile and using
11056 * scan-decls.c (scan_decls): Use return value of
11057 cpp_pop_buffer rather than CPP_BUFFER.
11059 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11061 * cppinit.c (cpp_handle_option): help_only is now part of the
11062 cpp_options structure.
11063 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11064 cpp_set_callbacks): New functions.
11065 * cpplib.h (cpp_callbacks): Break out as a named structure.
11066 (cpp_options): Move help_only here from cpp_reader.
11067 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11068 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11069 cpp_set_callbacks): New prototypes.
11070 * cppmain.c (main): Update for help_only.
11072 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11074 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11075 Also build and remove and install and uninstall c-tree.info and
11077 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11078 ($(srcdir)/cppinternals.info): New target.
11079 * c-tree.texi: Change file name used when makeinfo used without -o
11080 from ir.info to c-tree.info. Add info directory entry.
11081 * cppinternals.texi: Add info directory entry.
11082 * .cvsignore: Update.
11084 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11086 * c-typeck.c (store_init_value): Don't require constant initializer
11087 elements with -pedantic -std=c99.
11088 (digest_init): Change error about non-constant initializer elements
11090 (constructor_range_end): Remove.
11091 (constructor_incremental, designator_depth,
11092 designator_errorneous): New variables.
11093 (struct constructor_stack): Remove range_end, add incremental.
11094 (struct constructor_range_stack, constructor_range_stack): New.
11095 (struct initializer_stack): Add constructor_range_stack.
11096 (finish_init): Set it.
11097 (start_init): Likewise. require_constant_elements for non-static
11098 trees only if not flag_isoc99.
11099 (really_start_incremental_init): Remove constructor_range_end, add
11100 constructor_incremental.
11101 (pop_init_level): Likewise.
11102 (push_init_level): Likewise. If implicit and the subobject had some
11103 value set already, preinitialize the level with it.
11104 Warn about missing braces only if not pushing due to designators.
11105 (set_designator, push_range_stack): New functions.
11106 (set_init_label): Use them.
11107 (set_init_index): Likewise. Remove constructor_range_end.
11108 Error if designator index is outside of array bounds.
11109 (add_pending_init): Compare values of purpose index trees, not the
11110 trees themselves. Allow overwriting of already initialized element.
11111 Issue a warning if it had side-effects.
11112 (set_nonincremental_init, set_nonincremental_init_from_string): New
11114 (pending_init_member): Rename to...
11115 (find_init_member): ...this function. Call set_nonincremental_init
11116 if necessary. Compare values of purpose index trees, not the trees
11117 themselves. Return the actual value, not just non-zero if something
11119 (output_init_element): Remove checks for duplicates.
11120 If field has zero size, only check the initializer for correctness.
11121 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11122 if constructor_incremental is zero. Change error about initializers
11123 not computable at load time into pedwarn.
11124 (output_pending_init_elements): Compare bit positions, not
11125 FIELD_DECLs to take into account zero-sized fields.
11126 (process_init_element): Use constructor_range_stack to fill all
11127 ranges in the designator lists from current level up.
11128 * extend.texi: Update documentation for labeled elements.
11130 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11132 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11133 to function usage for arguments passed by reference. Optimize
11134 callee-copied arguments.
11135 * regmove.c (replace_in_call_usage): New function.
11136 (fixup_match_1): Call it.
11137 * cse.c (cse_insn): Canonicalize registers in function usage.
11138 * reload1.c (replace_pseudos_in_call_usage): New function.
11141 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11144 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11146 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11149 2001-01-12 DJ Delorie <dj@redhat.com>
11151 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11152 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11155 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11157 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11158 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11159 -std options alongside references to -ansi. Update some
11160 documentation for C99.
11161 * cpp.1: Regenerate.
11163 2001-01-12 Andreas Jaeger <aj@suse.de>
11165 * haifa-sched.c (restore_line_notes): Remove argument block B
11167 * sched-ebb.c (schedule_ebb): Change caller.
11168 * sched-rgn.c (schedule_region): Likewise.
11169 * sched-int.h (restore_line_notes): Adjust prototype.
11171 * loop.h: Remove wrong declaration of doloop_condition_get.
11173 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11175 * extend.texi: Move C++-extension-related node from the C section
11176 into the C++ section.
11178 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11180 * extend.texi: Refer to an array of pointers to functions instead
11181 of one of functions.
11183 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11184 Jan Hubicka <jh@suse.cz>
11186 * combine.c (reversed_comparison): Fix typo in last patch.
11188 (combine_reversed_comparison_code): Make static to follow
11189 prototype declaration.
11191 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11193 * install.texi: Remove misplaced duplicate entry.
11195 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11197 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11199 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11201 * final.c: (leaf_function_p): Fix typo.
11203 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11205 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11206 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11208 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11209 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11210 mmap_anon, and valloc is available.
11211 * ggc-page.c: Restructure ifdef logic to match new autoconf
11212 spec. Don't throw away the test page in init_ggc.
11214 * configure, config.in: Regenerate.
11216 2001-01-12 Michael Hayes <mhayes@redhat.com>
11218 * loop.h (total_biv_increment): Constify iv_class pointer.
11219 (struct induction): Replace `mem_mode' with `mem' rtx.
11220 * unroll.c (total_biv_increment): Constify iv_class pointer.
11221 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11222 (find_mem_givs, combine_givs_p): Likewise.
11223 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11225 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11227 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11229 (__gthread_getspecific): Ditto.
11231 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11233 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11234 put_condition_code): Convert fp comparison codes to integer
11236 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11239 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11240 * i386-protos.h (no_comparison_operator): Kill.
11242 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11244 * combine.c (REVERSIBLE_CC_MODE): Remove.
11245 (reversible_comparison_p): Remove.
11246 (combine_reversed_comparison_code): New.
11247 (reversed_comparison): New.
11248 (combine_simplify_rtx): Use
11249 combine_reversed_comparison_code/reversed_comparison instead
11250 of reversible_comparison_p.
11251 (simplify_if_then_else): Likewise.
11252 (simplify_set): Likewise.
11253 (simplify_logical): Likewise.
11254 (if_then_else_cond): Likewise.
11255 (known_cond): Likewise.
11256 (simplify_comparison): Likewise.
11258 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11260 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11261 sizeof (int) is larger than sizeof(__word__).
11263 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11265 * cppinit.c (do_includes): Fix typo.
11267 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11269 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11270 in S_REGS does not occur because not all sources are possible
11271 when a S_REGS is a destination (sometimes needs a clobber).
11272 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11273 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11274 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11275 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11276 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11277 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11278 (lshrdi_const1, lshrsi3_const16): Likewise.
11279 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11280 (*movhi_68hc12, *movqi_68hc12): Likewise.
11281 (movstrictqi): Make sure reloading in D_REGS as a destination
11284 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11286 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11288 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11290 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11291 -D, -U and -A, and don't initialize the builtins.
11292 (do_includes): Error if -include or -imacros with -fpreprocessed.
11293 * cppmain.c (cb_define, cb_undef): Unconditionally process
11295 * tradcpp.c (main): Fix typo.
11297 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11299 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11300 (read_name_map): Use IS_ABSOLUTE_PATH.
11301 * tradcpp.c (get_filename): Likewise.
11303 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11305 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11306 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11307 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11308 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11309 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11310 (cmphi_z_used): Don't use '@' for the output.
11311 (tstqi_z_used): Likewise.
11312 (cmpqi_z_used): Likewise.
11313 (one_cmplsi2): Likewise.
11315 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11317 * config/sh/sh.c (barrier_align): Recognize branch around far
11318 branch and redundant insn.
11320 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11322 * invoke.texi: Restore documentation of the drivers' switches -MD
11325 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11327 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11329 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11330 check-objc//%): Support parallel testing of multilibs.
11331 (TESTSUITEDIR): Set to testsuite by default, but override for
11333 (check-gcc, check-g++, check-g77, check-objc): Enter
11336 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11338 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11339 * sched-deps.c (deps_may_trap_p): Likewise.
11340 * basic-block.h: Remove a comment.
11341 * flow.c (PROP_POSTRELOAD): Remove.
11342 (update_life_info): Don't add it to prop_flags.
11343 (mark_set_1): Lose the code that was enabled by it.
11345 2001-01-11 Michael Hayes <mhayes@redhat.com>
11347 * flow.c (flow_call_edges_add): New.
11348 * basic_block.h (flow_call_edges_add): New.
11350 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11352 * reload1.c (move2add_note_store): Update reg_set_luid even if
11353 base reg remains the same.
11355 2001-01-10 Nick Clifton <nickc@redhat.com>
11357 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11358 machine_function structure to zero.
11359 Add prototypes for machine_status functions.
11361 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11363 * c-common.h (CTI_VOID_LIST): Remove.
11364 (void_list_node): Likewise.
11365 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11366 (void_list_node): New macro.
11367 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11368 * config/i386/i386.c (ix86_init_builtins): Likewise.
11369 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11371 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11373 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11374 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11376 * tradcpp.c: Include mkdeps.h.
11377 (deps, print_deps_phony_targets, deps_append, output_deps,
11378 init_dependency_output, output_deps): New.
11379 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11380 deps_output): Delete.
11381 (print_deps_missing_files): Rename deps_missing_files.
11382 (inhibit_output): Make global.
11383 (main): Delete inhibit_output, deps_stream, deps_target.
11384 Use mkdeps functionality in the same way as cpplib. Remove
11385 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11386 -M and -MM. Remove old handling of deps via deps_out, and
11387 old reading of environment variables.
11388 (get_filename): Update to use deps_add_dep.
11390 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11392 * output.h (make_function_rtl): Remove prototype.
11393 (make_decl_rtl): Likewise.
11394 * varasm.c (make_function_rtl): Remove.
11395 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11396 than from a third parameter.
11397 * tree.h (make_decl_rtl): Remove last parameter.
11398 * c-decl.c (builtin_function): Remove last argument in call to
11399 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11400 (start_function): Likewise.
11401 * except.c (call_get_eh_context): Likewise.
11402 * expr.c (emit_block_move): Likewise.
11403 (clear_storage): Likewise.
11404 * profile.c (output_func_start_profiler): Likewise.
11405 * toplev.c (rest_of_decl_compilation): Likewise.
11406 * objc/objc-act.c (create_builtin_decl): Likewise.
11407 (synth_module_prologue): Likewise.
11408 (generate_static_reference): Likewise.
11409 (build_selector_reference_decl): Likewise.
11410 (build_class_reference_decl): Likewise.
11411 (build_objc_string_decl): Likewise.
11412 (build_protocol_reference): Likewise.
11414 2001-01-10 Richard Henderson <rth@redhat.com>
11416 * hwint.h: Revert yesterday's change.
11418 2001-01-10 Nick Clifton <nickc@redhat.com>
11420 * function.h (save_machine_status): Delete.
11421 (restore_machine_status): Delete.
11422 Amend comment describing {init|mark|free}_machine_status.
11424 * function.c (save_machine_status): Delete.
11425 (restore_machine_status): Delete.
11426 Amend comment describing {init|mark|free}_machine_status.
11427 (push_function_context_to): Remove invocation of
11428 save_machine_status.
11429 (pop_function_context_from): Remove invocation of
11430 restore_machine_status.
11432 * emit-rtl.c (init_emit_once): Amend comment describing
11433 {init|mark|free}_machine_status.
11435 * tm.texi (Per-Function Data): New node. Describe the
11436 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11439 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11441 * cppinit.c (OPT_g): Remove.
11442 (cpp_handle_option): Update for removed -g3.
11443 (print_help): Update.
11444 * cpplib.h (struct cpp_options): Remove debug_output.
11445 * cppmain.c (setup_callbacks, cb_define): Update.
11446 * gcc.c (cpp_options): Translate -g3 to -dD.
11448 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11450 * config/i960/i960.md: Change modifier to + on the zero_extract
11451 pattern after the (rotate -2 reg) canonicalization pattern.
11453 2001-01-10 Richard Henderson <rth@redhat.com>
11455 * config/alpha/alpha.c (alpha_free_machine_status): New.
11456 (override_options): Install it.
11457 (alpha_mark_machine_status): Verify machine non-null.
11458 * config/i386/i386.c (ix86_free_machine_status): New.
11459 (override_options): Install it.
11460 (ix86_init_machine_status): Use xcalloc.
11461 (ix86_mark_machine_status): Verify machine non-null.
11462 * config/ia64/ia64.c (ia64_free_machine_status): New.
11463 (ia64_override_options): Install it.
11464 (ia64_mark_machine_status): Verify machine non-null.
11466 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11468 * function.c (instantiate_virtual_regs): Instantiate virtual
11469 registers found in CALL_INSN_FUNCTION_USAGE.
11471 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11473 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11474 equivalent to -ansi in disabling -Di386.
11476 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11478 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11480 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11482 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11484 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11486 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11488 * invoke.texi: Document that -fcond-mismatch isn't supported for
11491 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11493 * gcc.texi: Define macro gcctabopt.
11494 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11495 @command, @env and @option in some places where appropriate. Use
11496 @gcctabopt where appropriate. Put URLs and email addresses inside
11499 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11501 * gcc.c (cpp_options): Set MD file name from output
11502 filename, if specified.
11503 (suffix_subst): New static variable.
11504 (do_spec): Clear it.
11505 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11507 (give_switch): Handle suffix_subst.
11509 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11511 * invoke.texi: Fix another typo.
11513 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11515 * invoke.texi: Fix typo.
11517 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11519 * c-lang.c (lang_hooks): Update.
11520 (lang_decode_option): Remove.
11521 (lang_init_options): Rename c_init_options.
11522 * toplev.c (main): Use lang_hooks for lang_init_options
11523 and lang_decode_option.
11524 * toplev.h (lang_hooks): Add 2 new hooks.
11525 * tree.h: Remove lang_init_options and lang_decode_option.
11526 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11527 * cp/decl2.c: Similarly.
11528 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11529 (lang_hooks): Update.
11530 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11532 (lang_init_options): Rename ffe_init_options.
11533 (lang_hooks): Update.
11534 (lang_decode_option): Remove.
11535 * java/lang.c (lang_init_options): Rename java_init_options.
11536 (lang_decode_option): Rename java_decode_option.
11537 (lang_hooks): Update.
11538 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11539 (lang_decode_option): Rename objc_decode_option.
11540 (lang_hooks): Update.
11542 2001-01-09 Nick Clifton <nickc@redhat.com>
11544 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11545 (d30v_return_addr_rtx): Delete.
11546 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11547 cfun->machine structure.
11548 (struct machine_function): Move to d30v.h
11549 (d30v_save_machine_status): Delete.
11550 (d30v_restore_machine_status): Delete.
11551 (d30v_init_machine_status): New Function.
11552 (d30v_mark_machine_status): New Function.
11553 (d30v_free_machine_status): New Function.
11554 (d30v_init_expanders): Use new functions.
11555 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11556 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11557 d30v_return_addr_rtx.
11559 * config/d30v/d30v.h (struct_machine): Move here.
11560 Add eh_epilogue_sp_ofs field.
11562 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11563 field in cfun->machine structure.
11565 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11567 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11568 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11569 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11571 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11573 * objc/lang-options.h: Remove bogus reference to
11576 2001-01-09 Kazu Hirata <kazu@hxi.com>
11578 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11581 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11583 * reload.c (find_reloads_address): Check for eliminable registers
11584 when substituting a constant expression for a pseudo.
11586 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11588 * c-common.c (enum format_type): Add format_type_error.
11589 (decode_format_type): New function.
11590 (decl_attributes): Use it.
11591 (format_kind_info): Adjust comment.
11593 2001-01-09 David O'Brien <obrien@BSDi.com>
11595 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11596 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11598 * config/i386/gnu.h: Don't include required platform specific .h files,
11599 tm.h will do it instead.
11600 * config/i386/i386elf.h: Likewise.
11601 * config/i386/linux.h: Likewise.
11602 * config/i386/moss.h: Likewise.
11603 * config/mips/gnu.h: Likewise.
11605 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11607 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11608 (rs6000-ibm-aix3.[01]*): Likewise.
11609 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11610 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11611 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11612 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11613 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11614 (powerpc-*-eabiaix*): Likewise.
11615 (powerpc-*-eabisim*): Likewise.
11616 (powerpc-*-elf*): Likewise.
11617 (powerpc-*-eabi*): Likewise.
11618 (powerpc-*-rtems*): Likewise.
11619 (powerpc-*-linux*libc1): Likewise.
11620 (powerpc-*-linux*): Likewise.
11621 (powerpc-wrs-vxworks*): Likewise.
11622 (powerpcle-wrs-vxworks*): Likewise.
11623 (powerpcle-*-sysv*): Likewise.
11624 (powerpcle-*-elf*): Likewise.
11625 (powerpcle-*-eabisim*): Likewise.
11626 (powerpcle-*-eabi*): Likewise.
11627 (powerpcle-*-solaris2*): Likewise.
11628 * config/rs6000/aix31.h: Delete includes.
11629 * config/rs6000/aix3newas.h: Likewise.
11630 * config/rs6000/aix41.h: Likewise.
11631 * config/rs6000/aix43.h: Likewise.
11632 * config/rs6000/beos.h: Likewise.
11633 * config/rs6000/rtems.h: Likewise.
11634 * config/rs6000/sysv4.h: Likewise.
11636 2001-01-09 Kazu Hirata <kazu@hxi.com>
11638 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11639 Change an argument mode of machine_mode to shift_mode of
11640 shift_mode. Remove an extra error check.
11641 (emit_a_shift): Adopt to the new calling prototype of
11643 (function_prologue): Fix code for a monitor
11644 function. Support H8/S.
11645 (function_epilogue): Do not output pop for a monitor function.
11647 2001-01-09 Nick Clifton <nickc@redhat.com>
11649 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11650 (setup_incoming_varargs): Use sysv_varargs_p field of the
11651 cfun->machine structure.
11652 (struct machine_function): Move to rs6000.h
11653 (rs6000_save_machine_status): Delete.
11654 (rs6000_restore_machine_status): Delete.
11655 (rs6000_init_machine_status): New Function.
11656 (rs6000_free_machine_status): New Function.
11657 (rs6000_init_expanders): Use new functions.
11659 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11661 (struct machine_function): Move here.
11663 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11664 sysv_varargs_p field of the cfun->machine structure.
11666 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11668 (rs6000_restore_machine_status): Remove prototype.
11670 2001-01-09 Richard Henderson <rth@redhat.com>
11672 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11673 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11674 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11675 (sched_analyze_2, sched_analyze_insn): Likewise.
11676 (sched_analyze, init_deps): Likewise.
11677 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11678 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11679 (compute_block_backward_dependences): Update propagate_deps call.
11681 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11683 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11685 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11687 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11688 (cpp_handle_option): Handle them.
11689 (cpp_post_options): Ensure one of -M or -MM is specified with
11690 any other -M? option.
11691 (init_dependency_output): Suppress output with -MG.
11693 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11695 * cpp.texi: Update.
11696 * invoke.texi: Update.
11698 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11700 * sh.md (reload_outsf): Generate recognizable patterns for
11703 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11705 * c-lang.c (lang_hooks): Update.
11706 (lang_init): Rename c_init.
11707 (lang_finish): Remove.
11708 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11709 and lang_finish ().
11710 * toplev.h (lang_hooks): Add init () and finish ().
11711 * tree.h (lang_init, lang_finish): Remove.
11712 * cp/tree.h (lang_init, lang_finish): Remove.
11713 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11714 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11716 (lang_init, lang_finish): Remove.
11717 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11718 (lang_hooks): Update.
11719 * java/lang.c (lang_init): Rename java_init.
11720 (lang_finish): Remove.
11721 (lang_hooks): Update.
11722 * objc/objc-act.c (lang_init): Rename objc_init.
11723 (lang_finish): Remove.
11724 (lang_hoooks): Update.
11726 20001-01-09 Graham Stott <grahams@redhat.com>
11728 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11729 after `ptr` is initialised.
11731 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11733 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11734 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11735 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11736 stack adjusts, instead of r3.
11738 2001-01-09 Michael Hayes <mhayes@redhat.com>
11740 * flow.c (flow_loop_scan): Break out of ...
11741 (flow_loops_find) ... here.
11742 * basic-block.h (flow_loop_scan): New.
11743 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11744 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11746 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11748 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11750 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11751 realloc()ing macro_buffer.
11753 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11754 if it's wider than long and the target's long is wider than the
11757 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11759 Remove support for using UWIN as a host machine.
11760 * configure.in: Issue an error message.
11761 * configure: Regenerated.
11762 * config.gcc: Remove xm_* UWIN configury.
11763 * config/i386/xm-uwin.h: Remove.
11765 2001-01-08 Nick Clifton <nickc@redhat.com>
11767 * config/v850/v850.c (ra_rtx): Delete.
11768 (v850_save_machine_status): Delete.
11769 (v850_restore_machine_status): Delete.
11770 (v850_init_machine_status): New function.
11771 (v850_mark_machine_status): New function.
11772 (v850_free_machine_status): New function.
11773 (v850_return_addr): Use ra_rtx field in machine structure.
11774 (v850_init_expanders): Use new functions.
11776 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11777 * config/v850/v850.c: Change arguments to v850_output+* functions
11778 to take a const char *, to avoid compile time warning.
11779 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11780 (USER_LABEL_PREFIX): Redefine.
11782 2000-01-08 Jim Wilson <wilson@redhat.com>
11784 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11785 1 to unsigned HOST_WIDE_INT before left shift.
11787 2001-01-08 Nick Clifton <nickc@redhat.com>
11789 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11790 the machine structure has been allocated.
11791 (arm_free_machine_status): New function: Free the machine
11792 specific function structure.
11794 2001-01-08 Richard Henderson <rth@redhat.com>
11796 * jump.c (simplejump_p): Revert last change.
11798 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11800 * cppinit.c (init): Rename init_library.
11801 (cpp_create_reader): Update.
11802 * gcc.c (cpp_options): If -o given, use it as the target of
11805 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11807 * arm.c (arm_arch5e): New variable.
11808 (all_cores): XScale is a 5TE device.
11809 (arm_override_options): Set arm_arch5e.
11810 (arm_init_builtins): __builtin_prefetch is in arch5e.
11811 * arm.h (arm_arch5e): Declare it.
11813 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11815 * arm.md (define_constants): Add defines for UNSPEC and
11816 UNSPEC_VOLATILE insns. Update all users.
11817 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11818 * arm.c (multi_register_push, note_invalid_constants)
11819 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11820 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11821 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11823 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11825 * jump.c (jump_optimize_1): Use reversed_comparison_code
11826 instead of can_reverse_comparison_p.
11827 (jump_back_p): Likewise.
11828 (invert_exp_1): Likewise.
11829 (thread_jumps): Likewise.
11830 * simplify-rtx.c (simplify_unary_operation): Likewise.
11831 (simplify_ternary_operation): Likewise.
11832 * cse.c (find_comparison_args): Convert to use
11833 can_reverse_comparison_p.
11834 (record_jump_equiv): Likewise.
11836 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11838 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11839 (EPILOGUE_USES): Define.
11840 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11841 automatically stack the LR if it isn't live.
11843 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11845 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11848 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11850 * ggc-page.c (max_alignment): New structure.
11851 (MAX_ALIGNMENT): New macro.
11852 (init_ggc): Use it to round up the sizes in the
11853 extra_order_size_table.
11855 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11857 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11860 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11862 * builtins.def (BUILT_IN_FPRINTF): New entry.
11864 * c-common.c (c_expand_builtin_fprintf): New function.
11865 (init_function_format_info): Handle __builtin_fprintf.
11866 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11867 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11869 * c-decl.c (duplicate_decls): Adjust comment.
11871 * extend.texi (fprintf): Document new builtin.
11873 2001-01-07 Richard Henderson <rth@redhat.com>
11875 * jump.c (simplejump_p): Recognize any single_set jump
11876 of the proper form.
11878 2001-01-07 Richard Henderson <rth@redhat.com>
11880 * configure.in (slibdir): Accept an --with-slibdir option.
11881 Use "test" not "[" in configure. Default to $(libdir).
11883 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11885 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11886 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11887 (SHLIB_LINK): Create links for the soname.
11888 * config/mips/t-iris6: Likewise.
11889 * config/sparc/t-slibgcc: Likewise.
11890 * config/sparc/t-slibgcc-sld: Likewise.
11892 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11894 * config/i386/i386.c (constant_call_address_operand): Accept
11895 (const (plus (symbol_ref) (const_int))).
11896 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11897 constant_call_address_operand.
11899 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11901 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11902 and LONG_LONG_TYPE_SIZE > 32.
11904 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11906 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11907 the previous change.
11909 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11911 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11913 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11914 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11915 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11918 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11920 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11922 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11924 * c-lang.c (c_post_options): Call cpp_post_options.
11925 * objc/objc-act.c (objc_post_options): Similarly.
11926 * cppmain.c (main): Similarly.
11927 * fix-header.c (read_scan_file): Similarly.
11928 * cppinit.c (cpp_start_read): Move option consistency checks
11929 to cpp_post_options. Don't call init_dependency_output.
11930 If needed, add default target and main file dependency.
11931 (OPT_MD, OPT_MMD): Remove.
11933 (cpp_handle_option): Update for OPT_* changes.
11934 (cpp_post_options): New.
11935 (init_dependency_output): Command line -MF overrides environment
11936 variables. Don't set default target etc. Suppress output
11937 if dependencies are going to stdout.
11938 (print_help): Update.
11939 * cpplib.h (cpp_post_options): New.
11940 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11942 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11944 * jump.c (comparison_dominates_p): Support unordered compares.
11946 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11948 * simplify-rtx.c (simplify_relational_operation): Always simplify
11949 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11952 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11954 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11955 (nonzero_bits): Likewise.
11956 (simplify_comparison): Likewise.
11957 (num_sign_bit_copies): Likewise; return more sane value depending
11958 on STORE_FLAG_VALUE.
11959 (known_cond): Do not assume EQ to be always true for equivalent
11962 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11964 * cse.c (fold_rtx): Handle unordered comparisons.
11966 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11968 * rtlanal.c (set_of_1): New static function.
11969 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11970 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11971 reg_set_last_last_regno): Remove.
11972 (set_of): New global function.
11973 (set_of_data): New structure.
11974 (reg_set_p, reg_set_last): Revamp for set_of.
11975 * rtl.h (set_of): New.
11977 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11979 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11980 * extend.texi: Document _Exit builtin.
11982 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11984 * (initialize, initialize_builtins,
11985 initialize_dependency_output, initialize_standard_includes):
11986 Rename s/initialize/init. Update.
11987 (init_dependency_output): Move to after
11988 cpp_handle_options, the correct location temporally at least.
11989 (opt_comp): Move next to init (), its caller. Fix prototype.
11990 (init): Make "initialized" local scope.
11991 (cpp_create_reader): Always call init ().
11992 (cpp_start_read): Update.
11993 (output_deps): New function, broken out of cpp_finish.
11994 (cpp_finish): Break out output_deps.
11996 2001-01-07 Richard Henderson <rth@redhat.com>
11998 * collect2.c (COFF specific stuff): Revert 12-06 patch
11999 to prototype system functions.
12001 2001-01-07 Michael Hayes <mhayes@redhat.com>
12003 * hard-reg-set.h: Add multiple include guard.
12004 * basic-block.h (struct loop): Add `sink' field.
12005 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12006 (emit_iv_add_mult): Delete.
12007 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12008 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12009 (unroll_loop): Remove end_insert_before argument.
12010 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12011 (maybe_eliminate_biv_1): Likewise.
12012 (emit_iv_add_mult): Delete.
12013 (gen_add_mult, loop_regs_update): New.
12014 (loop_insn_emit_after, loop_insn_emit_before): New.
12015 (loop_insn_sink, loop_insn_sink_or_swim): New.
12016 (emit_iv_add_mult): Delete.
12017 (scan_loop): Set loop->sink.
12018 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12019 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12020 (maybe_eliminate_biv_1): Likewise.
12021 (maybe_eliminate_biv_1): Add basic block argument.
12022 * unroll.c (unroll_loop): Remove end_insert_before argument.
12023 (find_splittable_regs): Likewise.
12024 (find_splittable_regs): Use loop_insn_sink and its ilk.
12025 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12027 2001-01-07 Michael Hayes <mhayes@redhat.com>
12029 * loop.h (loop_insn_hoist): New prototype.
12030 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12031 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12032 (check_dbra_loop, load_mems): Likewise.
12033 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12034 (find_splittable_givs): Likewise.
12036 2001-01-07 Michael Hayes <mhayes@redhat.com>
12038 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12040 2001-01-07 Richard Henderson <rth@redhat.com>
12042 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12044 2001-01-07 Richard Henderson <rth@redhat.com>
12046 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12047 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12048 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12049 variant that handles a shared libgcc.
12050 (process_command): Always validate -{static,shared}-libgcc.
12051 (do_spec_1): New 'M' case.
12052 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12054 2001-01-07 Richard Henderson <rth@redhat.com>
12056 * Makefile.in (slibdir): New variable.
12057 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12058 (installdirs): Create slibdir.
12059 (install-libgcc, install-multilib): Defer to libgcc.mk.
12060 * configure.in (slibdir): Substitute.
12061 * mklibgcc.in (install): New target.
12063 * config/t-linux (SHLIB_LINK): Create links for the soname.
12064 (SHLIB_INSTALL): New.
12065 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12066 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12067 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12068 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12069 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12071 2001-01-07 Richard Henderson <rth@redhat.com>
12073 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12074 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12075 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12077 2001-01-07 Michael Hayes <mhayes@redhat.com>
12079 * loop.c (count_loop_regs_set): Delete.
12080 (load_mems_and_recount_loop_regs_set): Delete.
12081 (loop_regs_scan): Merge common code from count_loop_regs_set,
12082 scan_loop, and load_mems_and_recount_loop_regs_set.
12083 (scan_loop): Call load_mems directly and loop_regs_scan
12084 again if new registers created.
12086 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12088 * toplev.c (main): Call the front-end specific post_options
12089 hook if one is given.
12090 * toplev.h (struct_lang_hooks, lang_hooks): New.
12091 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12092 for the C front end.
12093 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12094 lang_hooks for the C++ front end.
12095 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12096 lang_hooks for the ObjC front end.
12097 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12098 * java/lang.c (lang_hooks): Hooks for the Java front end.
12100 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12102 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12103 for verbose DWARF[2] debugging.
12104 (cb_define, cb_undef): The new callbacks.
12105 * toplev.h (debug_define, debug_undef): Make const correct.
12106 * toplev.c (debug_define, debug_undef): Similarly. Do not
12107 perform the verbosity tests here anymore.
12109 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12111 * reload.c (subst_reloads): Take INSN argument. When
12112 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12113 * reload.h (subst_reloads): Adjust prototype.
12114 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12115 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12116 present in JUMP_INSNs and copy them to JUMP_LABEL.
12117 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12118 JUMP_INSNs and insns with REG_LABELs that are followed by
12119 JUMP_INSNs with the same REG_LABEL.
12120 * sched-rgn.c (is_cfg_nonregular): Likewise.
12121 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12123 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12125 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12127 2001-01-06 Richard Henderson <rth@redhat.com>
12129 * loop.c (scan_loop): Use xcalloc for the regs array.
12130 (load_mems_and_recount_loop_regs_set): Zero the new memory
12131 received from xrealloc.
12133 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12135 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12137 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12139 * integrate.c (copy_rtx_and_substitute): When copying
12140 an ignored return value, strip REG_FUNCTION_VALUE_P.
12142 2001-01-06 Michael Hayes <mhayes@redhat.com>
12144 * loop.c (debug_biv, debug_giv): New.
12145 (loop_biv_dump): Break out from ...
12146 (record_biv): ... here.
12147 (loop_giv_dump): Break out from ...
12148 (record_giv): ... here.
12149 (loop_bivs_check): Use print_simple_rtl.
12150 * unroll.c (loop_iterations): Use print_simple_rtl.
12152 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12154 * pa.md (return, return_internal): Modify patterns to prevent regrename
12155 mucking with the return pointer.
12157 2001-01-05 Richard Henderson <rth@redhat.com>
12159 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12161 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12163 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12164 version supplied by Matteo Frigo.
12166 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12168 * cpp.texi: Update for -MQ.
12169 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12170 (cpp_cleanup): Always free pfile->deps.
12171 (initialize_dependency_output): Don't create pfile->deps.
12172 (cpp_handle_option): Similarly.
12174 * gcc.c (cpp_options): Handle -MQ.
12175 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12176 * mkdeps.c (base_name): Remove.
12177 (deps_init): Don't allocate vector space until it's needed.
12178 (deps_free): Only free vectors if allocated.
12179 (deps_add_target, deps_add_dep): Update for initial allocation.
12180 (deps_add_default_target): Don't strip to the base_name.
12182 2001-01-05 DJ Delorie <dj@redhat.com>
12184 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12185 (INIT_EXPANDERS): Define.
12187 * config/v850/v850.c (struct machine_function): Define.
12188 (v850_save_machine_status): New function.
12189 (v850_restore_machine_status): New function.
12190 (v850_return_addr): New function.
12191 (v850_init_expanders): New function.
12193 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12194 and v850_init_expanders.
12196 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12198 * cpplib.h (struct cpp_reader): Add help_only field.
12199 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12200 (cpp_handle_option): Set pfile->help_only if we see -h,
12201 --help, -target-help, or --version. Print version string but
12202 do not set help_only if we see -v or -version. Make text
12203 printed by -v match that printed by (-)-version.
12205 * cppmain.c (main): Exit after option parsing if
12206 pfile->help_only is true.
12208 * toplev.c (independent_decode_option): Call print_version,
12209 then exit, if we see --version (but not -version).
12210 (print_version): Split lengthy message into two lines.
12212 2001-01-05 Nick Clifton <nickc@redhat.com>
12214 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12215 temporary string for initialisation before calling ggc_alloc_string.
12217 2001-01-06 Michael Hayes <mhayes@redhat.com>
12219 * rtl.h (print_simple_rtl): New.
12220 * print-rtl.c (print_simple_rtl): New.
12221 (flag_simple): New.
12222 (print_rtx): Disable printing of flags and modes, etc.,
12223 if `flag_simple` nonzero.
12225 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12227 * function.c (fixup_var_refs): Use push_to_full_sequence where
12230 2001-01-05 Michael Meissner <meissner@redhat.com>
12232 * flags.h (flag_reorder_blocks): Add declaration.
12233 (flag_rename_block): Ditto.
12235 2001-01-05 DJ Delorie <dj@redhat.com>
12237 * function.c (reorder_blocks): Make sure the flags are all reset
12238 before using them to mark blocks, else a second invocation will
12239 corrupt the block chain.
12240 (reorder_blocks_0): New, resets the flags.
12242 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12244 * cse.c (find_comparison_args): Stop if the argument is known to
12247 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12249 * config/sh/sh.md (movdf): When splitting load into pair of
12250 registers, don't clobber the register used in the address too
12253 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12255 * varasm.c (mark_constant_pool): Improve initial comments.
12256 (mark_constants): Move marking of constants to mark_constant.
12257 (mark_constant): New function to recursively mark all constants
12258 referred to by a constant.
12260 2001-01-05 Catherine Moore <clm@redhat.com>
12262 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12264 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12266 * cp/lang-options.h: Bring comment in line with reality.
12267 * f/lang-options.h: Likewise.
12268 * java/lang-options.h: Likewise.
12269 * objc/lang-options.h: Likewise.
12270 * ch/lang-options.h: Likewise.
12271 * f/g77.texi: And update the manual.
12273 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12274 Denis Chertykov <denisc@overta.ru>
12276 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12277 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12278 * config/avr/avr.md (all peepholes that request a scratch register):
12279 Call it, FAIL the peephole if not safe (in interrupt functions).
12281 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12283 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12285 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12287 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12289 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12290 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12291 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12292 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12293 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12295 * extend.texi: Document these builtins.
12297 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12299 * c-common.c (lang_get_alias_set): Say we know nothing of
12300 VECTOR_TYPE aliasing.
12302 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12304 2001-01-05 Bruce Korb <bkorb@gnu.org>
12306 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12307 their x* equivalent versions for atexit-less systems
12308 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12309 systems (or any other system any more).
12311 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12313 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12314 output operands. Use arm_hard_register_operand for operand 4.
12315 (stmsi_postinc): Similarly.
12316 (ldmsi): Use arm_hard_register_operand for opernand 2.
12317 (stmsi): Similarly.
12318 * arm.c (arm_hard_register_operand): New function.
12319 * arm-protos.h (arm_hard_register_operand): Prototype it.
12321 * arm.h (HARD_REGNO_RENAME_OK): Define.
12323 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12325 * simplify-rtx.c (cfc_args): add "unordered" field.
12326 (check_fold_consts): Set unordered field.
12327 (simplify_relational_operation): Simplify the unordered
12330 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12333 * emit-rtl.c (try_split): Fix code to mark labels.
12334 * jump.c (mark_jump_label): Make global.
12335 * rtl.h (mark_jump_label): Declare.
12337 * predict.c (estimate_probability): Handle unordred comparisons.
12339 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12341 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12342 * cppinit.c (initialize_dependency_output): Update.
12343 (cpp_finish): Output dummy targets for -MP.
12345 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12346 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12347 * gcc.c (cpp_options): Update to handle -MP.
12348 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12349 to quote only the default target.
12350 (deps_phony_targets): Insert a preceding newline. Rename from
12351 deps_dummy_targets for consistency.
12354 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12356 * calls.c (emit_library_call_value_1): Support
12357 INIT_CUMULATIVE_LIBCALL_ARGS.
12358 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12360 2001-01-04 Richard Henderson <rth@redhat.com>
12362 * c-decl.c (finish_struct): Detect flexible array members
12363 used in an inappropriate context.
12364 * c-typeck.c (really_start_incremental_init): Special case
12365 constructor_max_index for zero length arrays.
12366 (pop_init_level): Allow initialization of flexible array
12367 members. Deprecate initialization of zero length arrays.
12368 Don't issue missing initializer warning for flexible array
12369 members or zero length arrays.
12370 (process_init_element): Don't dereference null DECL_SIZE.
12371 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12372 Don't abort for empty constructors. Use size_binop
12373 (output_constructor): Add commentary regarding zero length
12374 array futures. Abort if we try to initialize an array of
12375 unspecified length with a non-empty constructor in the middle
12378 * extend.texi (Zero Length): Update and clarify documentation
12379 on static initialization.
12381 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12383 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12384 with more than 32767 words of local storage.
12386 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12388 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12389 for 'abs', 'labs', and 'fabs'.
12390 (c4x_expand_builtin): Likewise.
12391 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12393 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12395 * config/sh/sh.md (prget, prset): New insn types.
12396 (return delay slot): Dont' allow prset.
12397 (call, sfunc delay slot): Don't allow prget.
12398 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12399 for prset and prget.
12401 2001-01-05 Michael Hayes <mhayes@redhat.com>
12403 * loop.h (struct loop_reg): New.
12404 (struct loop_regs): Change to use array of `struct loop_reg'.
12405 * loop.c: Replace assortment of varrays with single regs array.
12406 (count_one_set): Delete may_not_move array argument
12407 and use regs array instead. All caller's changed.
12408 (count_loop_regs_set): Delete may_not_move and single_usage
12409 arguments and use regs array instead. All caller's changed.
12410 (find_single_use_in_loop): Replace usage array argument with pointer
12411 to regs structure. All caller's changed.
12412 (loop_optimize): Delete `moved_once' array.
12414 2001-01-05 Michael Hayes <mhayes@redhat.com>
12416 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12417 Use it instead of loop_info->has_call for scanning loop mems.
12418 (check_dbra_loop): Replace loop_info->has_call test with
12419 loop_info->has_nonconst_call.
12421 2000-01-04 Matthew Hiller <hiller@redhat.com>
12423 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12426 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12428 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12429 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12431 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12433 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12434 (flag_short_double, flag_short_wchar): Define.
12435 (c_common_nodes_and_builtins): Create many tree nodes shared
12436 between C and C++ here instead of in cp/decl.c and ...
12437 * c-decl.c (init_decl_processing): ... here.
12438 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12439 (flag_short_double, flag_short_wchar): Don't define.
12440 (record_builtin_type): New function.
12441 (build_void_list_node): New function.
12442 * c-common.h (flag_short_double, flag_short_wchar,
12443 record_builtin_type, build_void_list_node): Declare.
12445 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12447 * integrate.c (expand_inline_function): Don't put a virtual
12448 register into the reg map.
12450 * function.c (fixup_var_refs_1): If force_operand didn't put
12451 the address into the target, move it there.
12453 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12455 Special-case tree_decl/tree_list allocations.
12456 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12457 (OBJECT_SIZE): New macro.
12458 (NUM_EXTRA_ORDER): Likewise.
12459 (extra_order_size_table): New variable.
12460 (NUM_ORDERS): New macro.
12461 (objects_per_page_table): New variable.
12462 (object_size_table): New variable.
12463 (G.pages): Use NUM_ORDERS to bound the array.
12464 (G.page_tails): Likewise.
12465 (DIV_ROUND_UP): Remove.
12466 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12467 (alloc_page): Use OBJECT_SIZE.
12468 (size_lookup): Don't make it const.
12469 (ggc_alloc): Use OBJECT_SIZE.
12470 (ggc_set_mark): Likewise.
12471 (ggc_get_size): Likewise.
12472 (init_ggc): Set up the object_size_table, objects_per_page_table,
12473 and adjust size_lookup.
12474 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12475 (ggc_pop_context): Use NUM_ORDERS.
12476 (clear_marks): Likewise.
12477 (sweep_pages): Likewise.
12478 (poison_pages): Likewise.
12479 (ggc_print_statistics): Use OBJECT_SIZE.
12481 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12483 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12484 Only call array_size_for_constructor if last field and array type
12485 with no upper bound.
12487 2001-01-04 Philip Blundell <philb@gnu.org>
12489 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12490 from bit 31 downwards, if this requires no more insns.
12491 (count_insns_for_constant): New helper function for above.
12493 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12495 * gencodes.c (output_predicate_decls): Remove empty initializer.
12497 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12499 * tree.c (copy_node): Remove documentation about obstacks.
12500 (buidl1): Check that nobody tries to build 2-argument nodes this
12503 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12505 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12508 * gencodes.c (output_predicate_decls): Fill empty initializer
12511 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12513 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12514 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12516 (do_include): Handle missing headers like cpp0.
12517 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12518 paths with first include pathname. Don't strcat to uninitialized
12521 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12523 * regrename.c (regrename_optimize): Don't rename from frame pointer
12524 if frame_pointer_needed.
12525 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12526 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12527 (ia64_reorg): Use it instead of scheduling if ! optimize.
12528 (errata_emit_nops): Properly call asm_noperands.
12529 (ia64_sched_reorder): Finish cycle if we see an asm.
12530 (ia64_variable_issue): Clear scheduling state after asms.
12532 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12534 * cpp.texi: Update for -MT.
12535 * cppinit.c (initialize_dependency_output): Add a default
12536 target if none has been given already.
12537 (no_tgt, OPT_MT): New.
12538 (cpp_handle_option): Handle -MT. Update -M etc.
12539 * cpplib.h (struct cpp_options): Remove deps_target.
12540 * gcc.c (cpp_options): Handle -MT.
12541 * mkdeps.c (struct deps): Move from mkdeps.h.
12542 (deps_calc_target): Rename deps_add_default_target. Add a
12543 default target if none has been specified already.
12544 * mkdeps.h (struct deps): Move to mkdeps.c.
12545 (deps_calc_target): Rename deps_add_default_target.
12547 2000-01-03 Richard Henderson <rth@redhat.com>
12549 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12551 * c-typeck.c (push_init_level): Move checks for flexible array
12552 members and zero length arrays ...
12553 (pop_init_level): ... here. Silently discard empty initializations.
12555 * varasm.c (output_constructor): Update for sizeof change to
12556 zero-length arrays.
12558 * extend.texi (Zero Length): Clarify semantics.
12560 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12562 * configure.in (tm.h): Include isns-codes.h last.
12563 * configure: Rebuilt.
12565 2001-01-03 Richard Henderson <rth@redhat.com>
12567 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12568 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12570 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12572 * tradcpp.c (main): Make sure finclude() is called with a valid
12573 indepth value while handling -include.
12575 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12577 * gencodes.c (output_predicate_decls): New function.
12579 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12580 even if it is not the first time machmode.h is #included.
12581 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12582 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12583 * gcc.texi (Copyright): Added 2001.
12585 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12587 * c-common.c (c_common_lang_init): New function. Warn if format
12588 warning options which only have effects when used with -Wformat
12589 are used without -Wformat.
12590 * c-common.h (c_common_lang_init): Declare.
12591 * c-lang.c (lang_init): Call c_common_lang_init.
12592 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12594 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12596 * configure.in: Check for the mktemp command.
12597 * configure: Regenerate.
12598 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12599 $TEMP. Create temporary files with mktemp, if available at
12600 configure time; otherwise use set -C. Remove temporary files
12603 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12605 * configure.in: Require at least texinfo 4.0. Check for whether
12606 Pod::Man is sufficiently recent to regenerate GCC manpages.
12607 * configure: Regenerate.
12608 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12610 (GENERATED_MANPAGES): Define.
12611 (generated-manpages): New target. Depend on cpp.1 as well as
12613 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12614 configure to generated-manpages or empty) rather than on the
12615 manpages directly. Remove execute permission from installed
12616 gcov.1 as well as cpp.1.
12617 * cpp.1, gcov.1: Regenerate.
12619 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12621 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12622 tree_low_cst. Allow using cmpstrsi in more cases.
12624 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12626 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12629 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12631 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12632 * Makefile.in (HOST_CFLAGS): Mention build-make.
12634 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12636 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12639 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12641 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12644 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12647 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12648 reg_base_value and reg_known_value arrays.
12649 (init_alias_analysis): Add more cases to detect known values.
12650 * sched-deps.c (deps_may_trap_p): New function.
12651 (sched_analyze_2): Use it.
12653 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12655 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12656 don't discard an ASHIFTRT if we're shifting in a wider mode.
12658 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12660 * toplev.c (rest_of_compilation): Don't print basic block information
12661 when CFG isn't up to date.
12663 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12665 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12666 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12667 (UNALIGNED_SHORT_ASM_OP): Define.
12668 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12670 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12672 * fold-const.c (fold_convert): Fix typo.
12674 2001-01-02 Richard Henderson <rth@redhat.com>
12676 * c-common.h (ASM_INPUT_P): New.
12677 * c-parse.in (asm): Set it when needed.
12678 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12679 existance of an operand.
12681 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12683 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12684 (dwarf2out_frame_debug_expr): Likewise.
12685 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12687 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12689 * i386.c (ix86_split_to_parts): Return number of part required;
12691 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12693 (ix86_split_long_move): Use number of part returned
12694 by ix86_split_to_parts
12695 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12697 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12698 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12699 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12700 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12701 (ALIGN_MODE_128): Add TFmode.
12702 (IS_STACK_MODE): Likewise.
12703 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12704 (HARD_REGNO_OK): Support TFmodes.
12705 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12706 * i386.md (scheduler definitions): Use memory operand to determine
12707 fst/fld instructions; use mode attribute to determine real mode of
12709 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12710 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12712 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12714 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12716 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12718 * expr.c (store_constructor_field): Update ALIGN before calling
12721 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12723 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12726 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12728 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12731 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12733 * c-decl.c (start_function): Don't warn on third parameter to main.
12735 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12737 * tsystem.h: Define HAVE_DECL_GETOPT.
12739 2001-01-02 Philip Blundell <pb@futuretv.com>
12741 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12744 2001-01-02 Richard Henderson <rth@redhat.com>
12746 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12748 2001-01-02 Andreas Jaeger <aj@suse.de>
12750 * c-decl.c (c_decode_option): Remove support of
12751 -Wmissing-noreturn.
12753 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12754 (W_options): Add -Wmissing-noreturn here.
12756 * flow.c: Define lang_missing_noreturn_ok_p.
12757 (check_function_return_warnings): Use it.
12759 * c-common.h: Declare lang_missing_noreturn_ok_p.
12761 * c-lang.c (c_missing_noreturn_ok_p): New function.
12762 (lang_init): Set lang_missing_noreturn_ok_p.
12764 * invoke.texi (Warning Options): Document this.
12766 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12768 * extend.texi (C++ Extensions): New node for C++ attributes;
12769 describe init_priority and com_interface.
12770 * invoke.texi: Remove -finit-priority as it now has zero effect.
12771 * install.texi: Fix xref syntax.
12772 * md.texi: Likewise.
12774 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12776 * config.gcc (sparc64-wrs-vxworks*): New case.
12777 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12779 * config/sparc/sparc.c (sparc_override_options): Do support different
12780 pointer and architecture size.
12781 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12782 (POINTERS_EXTEND_UNSIGNED): Define.
12783 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12784 (FUNCTION_MODE): Define to be Pmode.
12785 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12787 * function.c (expand_function_end): Properly handle DECL_RESULT
12788 and copy when ptr_mode != Pmode.
12789 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12791 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12793 * c-common.c (c_common_nodes_and_builtins): Set prototype
12794 parameters for __builtin_fputs, __builtin_fputc and
12795 __builtin_fwrite. Don't declare plain fputc as a builtin.
12797 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12799 * loop.c (add_label_notes): Increment the label usage count when
12800 a note is added to an insn which refers to a CODE_LABEL.
12801 * gcse.c (add_label_notes): Likewise.
12803 2001-01-01 Andreas Jaeger <aj@suse.de>
12805 * loop.c (scan_loop): Use xmalloc to allocate movables.
12807 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12809 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12810 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12811 * reload1.c (REGISTER_MOVE_COST): Likewise.
12812 * regclass.c (REGISTER_MOVE_COST): Likewise.
12813 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12814 dimension. Adjust all users.
12815 (init_reg_sets_1): Iterate on all modes.
12816 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12817 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12818 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12819 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12820 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12821 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12822 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12823 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12824 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12825 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12826 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12827 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12828 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12829 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12830 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12831 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12832 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12833 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12834 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12835 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12836 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12837 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12838 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12839 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12840 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12841 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12842 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12844 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12846 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12847 arg VARIES_P. Call it with extra arg.
12848 (true_dependence): Likewise.
12849 * rtl.h (rtx_addr_can_trap_p): Declare.
12850 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12852 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12853 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12854 pic offset table register if it's zero. All callers changed.
12855 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12857 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12859 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12860 STRING_POOL_ADDRESS_P.
12862 * config/sparc/sparc.c (input_operand): Properly test for short op.
12864 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12865 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12866 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12867 * config/sparc/elf.h: No longer include sol2.h.
12868 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12869 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12871 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12873 2001-01-01 Michael Hayes <mhayes@redhat.com>
12875 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12876 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12877 (record_initial): Likewise.
12878 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12879 (remap_split_bivs): Likewise.
12881 2001-01-01 Michael Hayes <mhayes@redhat.com>
12883 * loop.c (loop_ivs_free): New function.
12884 (strength_reduce): Break out from...
12886 2001-01-01 Michael Hayes <mhayes@redhat.com>
12888 * loop.h (struct iv): New.
12889 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12890 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12891 'reg_biv_class' fields with 'regs' and 'n_regs'.
12892 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12893 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12894 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12896 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12898 * resource.c (mark_referenced_resources): Abort() before
12899 attempting to mark a pseudo register.
12900 (mark_set_resources): Likewise.
12902 2001-01-01 Michael Hayes <mhayes@redhat.com>
12904 * loop.h (REG_IV_CLASS): New accessor macro.
12905 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12906 * unroll.c (REG_IV_CLASS): Likewise.
12908 See ChangeLog.4 for earlier changes.