1 2001-06-11 Richard Henderson <rth@redhat.com>
3 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
5 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7 * configure.in: Align --help messages.
8 Remove trailing full stops.
9 Consistently use lower case.
13 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
16 variants for .cpp/.cp/.c++ files.
17 Move definition of __LANGUAGE_C_PLUS_PLUS ...
18 (CPLUSPLUS_CPP_SPEC): ... here.
20 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
22 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
24 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
26 * c-decl.c (store_parm_decls): When comparing types in an
27 old-style function declaration with those from a previous
28 prototype, compare the unqualified versions of parameter types.
31 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
33 * doc/objc.texi: Use more logical markup. Use TeX dashes.
35 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
37 * doc/c-tree.texi: Use more logical markup.
39 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
41 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
43 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
45 * loop.c (scan_loop): Do not combine asm statements.
47 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
49 * simplify-rtx.c (simplify_subreg): Fix offset calculation
50 for complex values within a CONCAT.
52 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
54 * doc/install.texi: Update details of what components are included
55 in the GCC distribution. Update default directory for g++
56 includes. Update documentation relating to old libio. Adjust
57 documentation on DejaGnu environment variables. Remove
58 documentation of --enable-cpplib.
60 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
62 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
65 2001-06-10 Richard Henderson <rth@redhat.com>
67 * ifcvt.c (life_data_ok): New.
68 (merge_if_block): Use it to determine whether to update
72 2001-06-10 Richard Henderson <rth@redhat.com>
74 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
76 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
78 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
79 (SH Options): Document -mieee.
80 * doc/install.texi (Final install): Remove obsolete information
81 about installing cross compilers.
84 2001-06-10 Richard Henderson <rth@redhat.com>
86 * config/alpha/alpha.c (override_options): Set align_loops,
87 align_jumps, and align_functions.
88 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
89 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
91 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
93 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
94 are one and two words in size.
96 2001-06-10 Richard Henderson <rth@redhat.com>
98 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
99 (Code Generation Options): Document -fnon-call-exceptions.
101 2001-06-10 Mark Kettenis <kettenis@gnu.org>
103 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
105 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
107 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
109 2001-06-10 Mark Mitchell <mark@codesourcery.com>
110 Gabriel Dos Reis <gdr@codesourcery.com>
112 * Makefile.in (c-parse.o): Depend on diagnostic.h
113 (dwarf2out.o): Likewise.
115 * dwarf2out.c: #include diagnostic.h
117 * toplev.h (warningcount, errorcount, sorrycount): Remove
120 * toplev.c (warningcount, errorcount, sorrycount): Remove
123 * diagnostic.h (struct output_buffer): Reorder fields.
124 (diagnostic_kind_count): New macro.
125 (errorcount, warningcount, sorrycount): Define as macros.
126 (diagnostic_report_warnings_p): New macro.
127 (output_state): Add diagnostic_count field.
129 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
130 Remove tentative declaration.
131 (count_error): Use diagnostic_report_warnings_p.
133 * c-parse.in: #include diagnostic.h
135 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
137 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
138 prefer a memory for operand 1.
139 ("*addsi3"): Fix constraints, the '!' was too strong.
140 ("*addsi3_split"): Accept soft register and split accordingly.
142 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
144 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
145 Move definition in the RTX_CODE section.
147 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
149 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
150 address as relative to the argument pointer.
152 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
154 * predict.def (PRED_OPCODE): Place before call and error_return.
156 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
158 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
159 * predict.c (estimate_probability): Calculate dominance
160 information; improve detection of NORETURN heuristics;
161 add call/error_return heuiristics; tweak comparison heuristics
164 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
166 * doc/invoke.texi (C Dialect Options): Document -aux-info.
167 (Debugging Options): Document -print-multi-directory and
169 * doc/gcc.1: Rebuilt.
171 * toplev.c (independent_decode_option): Require `=' between
172 `-aux-info' and filename in the same argument.
173 * gcc.c: Don't pass -aux-info=filename twice.
175 2001-06-09 Mark Mitchell <mark@codesourcery.com>
177 * expr.c (expand_expr, case ARRAY_REF): Do not replace
178 an array element with the known initializing value if it has
181 * toplev.c (rest_of_compilation): Remove dead code before
184 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
186 * cppinit.c (print_help): Document -fpreprocessed.
187 * invoke.texi: Similarly.
189 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
191 * predict.def: New file.
192 * predict.h: New file.
193 * predict.c: Include predict.h.
194 (predictor_info): New structure and array.
195 (predict_edge, predict_insn): Rewrite; make global.
196 (predict_edge_def, predict_insn_def): New global functions.
197 (dump_prediction, combine_predictions_for_insns): New
199 (estimate_probability): Change calls to predict_edge
200 to predict_edge_def and calls to predict_insn to predict_insn_def;
201 combine probabilities.
202 (expected_value_to_br_prob): Behave as predictor.
203 * rtl.h (REG_BR_PRED): Update coment.
204 (invert_br_probabilities): New.
205 * jump.c: Include predict.h
206 (duplicate_loop_exit_test): Drop branch prediction notes.
207 (invert_jump): Use invert_br_probabilities.
208 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
209 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
210 * combine.c (distribute_notes): Handle BR_PRED.
212 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
214 * predict.c (predict_insn, predict_edge): New static functions.
215 (estimate_probability): Revamp to use new functions;
216 fix loop header heruistics; add loop exist heruistics
218 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
220 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
222 2001-06-09 Peter Jakubek <pjak@snafu.de>
224 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
226 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
228 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
229 for integer operations that don't update C bit.
231 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
233 * gthr-posix.h (__gthread_objc_init_thread_system): If
234 pthread_key_create fails, it's not clear what the return value is.
235 This obvious fix makes sure it always returns -1 if a problem
238 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
240 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
241 more index entries. Use more logical markup where appropriate.
242 Use TeX quotes and dashes.
244 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
246 * unwind-pe.h: Conditionally qualify references to abort with
249 2001-06-09 Julian Foad <julian_foad@hotmail.com>
251 * doc/invoke.texi: Remove superfluous text.
253 2001-06-08 Richard Henderson <rth@redhat.com>
255 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
256 (LIB_SPEC): Mirror config/linux.h version.
258 2001-06-08 Richard Henderson <rth@redhat.com>
260 * except.c (get_exception_pointer, get_exception_filter): Take a
261 struct function. Update all callers.
262 * except.h (get_exception_pointer): Update declaration.
263 * expr.c (expand_expr): Update get_exception_pointer call.
264 * integrate.c (expand_inline_function): Remap the exception pointer
265 from callee to caller.
267 2001-06-08 Mark Mitchell <mark@codesourcery.com>
269 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
270 accurately reflect its cv-qualification.
271 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
272 cv-qualifiers on function types.
274 2001-06-08 Mark Mitchell <mark@codesourcery.com>
276 * basic-block.h: Improve comments.
277 * except.c (expand_eh_region_end_allowed): Remove redundant call
278 to do_pending_stack_adjust.
279 * flow.c (life_analysis): Fix typo in comment.
280 (calculate_global_regs_live): Add documentation.
281 (mark_set_1): Likewise.
282 (debug_regset): Likewise.
283 * doc/rtl.texi (cond_exec): Document it.
285 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
287 * i386.h (CONST_COSTS): set cost of constants representable in
288 immediate fields to 0.
290 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
292 * function.c (diddle_return_value): Kill code to determine
293 return value before expand_function_end.
294 (expand_function_end): Delay call to clobber_return_register
295 after fucntion return value is computed.
297 Re-install temporary reverted patch:
298 * toplev.c (rest_of_compilation): Call split_all_insns
299 before reg-stack and shorten-branches. Do shorten-branches
301 * final.c (shorten_branches): Remove insn splitting code.
303 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
305 * doc/gcc.texi, doc/invoke.texi: Add index of command line
306 options. Use @opindex to index them rather than other indexing
307 commands. Use @var{...} instead of <...>. Avoid spaces in names
308 inside @var. Don't use @kindex to index escape sequences in
311 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
313 * stmt.c (current_nesting_level): New fn.
314 * tree.h: Declare it.
315 * c-semantics.c (genrtl_compound_stmt): Use it.
317 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
319 2001-06-08 Jakub Jelinek <jakub@redhat.com>
321 * jump.c (mark_modified_reg): Allow jump threading if condition
322 codes are represented by a hard register.
324 2001-06-08 Jakub Jelinek <jakub@redhat.com>
326 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
327 for complex floats passed to unprototyped functions.
329 2001-06-08 Mark Mitchell <mark@codesourcery.com>
331 * except.c (expand_eh_region_end_allowed): Call
332 do_pending_stack_adjust as necessary.
334 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
336 * function.c (clobber_return_register): Clobber the pseudo return
339 * sibcall.c (skip_unreturned_value): New function.
340 (call_ends_block_p): Use it.
342 * recog.c (split_insn): Break out from ...
343 (split_all_insns): ... here; do not use basic block information
346 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
348 * simplify-rtx.c (simplify_subreg): Fix verification of
351 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
353 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
354 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
355 Move definition of _LANGUAGE_C_PLUS_PLUS ...
356 (CPLUSPLUS_CPP_SPEC): ... here.
357 Fixes PRs c++/3047, target/441.
359 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
361 * doc/install.texi2html (MAKEINFO): Keep value if set already.
363 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
365 * doc/gcc.texi: Add trailing slash to URL.
367 2001-06-07 Stan Shebs <shebs@apple.com>
369 * config/darwin.h (ENCODE_SECTION_INFO): Define.
370 (REDO_SECTION_INFO_P): Ditto.
371 (STRIP_NAME_ENCODING): Ditto.
372 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
373 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
374 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
375 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
376 * config/darwin.c: No longer include c-tree.h.
377 (machopic_classify_ident): Rewrite to use symbol encoding.
378 (lookup_name_darwin): Remove.
379 (machopic_non_lazy_ptr_name): Handle encoded symbols.
380 (machopic_stub_name): Use STRIP_NAME_ENCODING.
381 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
382 (machopic_finish): Ditto, remove test of decl.
383 (update_non_lazy_ptrs): New function.
384 (darwin_encode_section_info): New function.
385 * config/darwin-protos.h: Declare it.
386 * config/rs6000/rs6000.c (machopic_output_stub): Use
389 2001-06-07 Mark Mitchell <mark@codesourcery.com>
391 * tree.h (DECL_SOURCE_FILE): Improve documentation.
392 (DECL_SOURCE_LINE): Likewise.
394 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
396 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
399 2001-06-07 Phil Edwards <pme@sources.redhat.com>
401 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
402 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
404 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
406 * doc/contrib.texi: Add copyright notice.
408 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
410 * doc/md.texi: Use four digit years in copyright notice.
412 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
414 * config.gcc: For $target_alias of athlon-*, set
415 target_cpu_default2=5.
417 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
419 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
420 end of last block if last real insn is a JUMP_INSN.
422 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
426 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
428 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
429 pthread_t to objc_thread_t.
430 (__gthread_objc_thread_id): Likewise.
432 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
434 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
435 (ASM_OLDAS_SPEC): Likewise.
437 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
438 (CPP_SUBTARGET_SPEC): Use it.
439 (ASM_OLDAS_SPEC): Define.
441 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
443 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
445 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
448 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
450 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
451 Document use of N_(...), and show it in examples. Note that
452 documentation should be added to invoke.texi. Avoid an overfull
455 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
457 * toplev.c (rest_of_compilation): Revert previous patch.
458 * final.c (shorten_branches): Likewise.
460 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
462 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
465 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
467 * doc/install-old.texi: Remove more obsolete documentation.
469 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
471 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
473 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
475 * toplev.c (rest_of_compilation): Call split_all_insns
476 before reg-stack and shorten-branches. Do shorten-branches
478 * final.c (shorten_branches): Remove insn splitting code.
480 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
482 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
483 * configure: Rebuilt.
485 2001-06-07 Andreas Jaeger <aj@suse.de>
487 * emit-rtl.c (operand_subword): Remove unused variable.
489 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
491 * i386.md (floatdi?f): Avoid usinf of SSE instructions
492 if TARGET_64BIT is false.
493 (floatdi?f_i386_only): New insn.
494 (floatdi?f_i386): Disable for !TARGET_64BIT.
496 * (min?f, max?f splitters): Handle case where
497 operands are cross-matched.
499 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
500 (MMX_REGISTER_NAMES): Kill.
501 (PRINT_OPERAND): Fix comment.
502 (PRINT_REG): Likewise.
503 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
504 (print_operand): Update comment; kill 'm'.
506 * i386.c (x86_branch_hints): New global variable
507 (print_operand): Support outputting of branch prediction hints.
508 * i386.md (conditional jump patterns): Add branch prediction hints
510 * i386.h (x86_branch_hints): Declare
511 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
512 (PRINT_OPERAND_FUNCT_VALID_P): New.
513 * final.c (final_forward_branch_p): New function.
515 2001-06-06 Richard Henderson <rth@redhat.com>
517 * flow.c (mark_used_reg): Clean up looping over multiple hard
518 registers. Do conditional life bits across multiple hard regs.
520 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
522 * reload1.c (reload): Revert Schmidt's change so all USEs are not
523 deleted during reload.
525 2001-06-05 Mark Mitchell <mark@codesourcery.com>
527 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
528 functions here, instead of ...
529 * c-decl.c (c_expand_body): ... here.
531 2001-06-05 David O'Brien <obrien@FreeBSD.org>
533 * config.gcc, config/sparc/bsd.h: Do not directly include
534 sparc/sparc.h. Instead do it via tm_file.
536 2001-06-05 Richard Henderson <rth@redhat.com>
538 * dwarf2.h (DW_EH_PE_aligned): New.
539 * dwarf2asm.c (eh_data_format_name): Name it.
540 (dw2_asm_output_encoded_addr_rtx): Align for it.
541 * dwarf2out.c (output_call_frame_info): Handle it for personality
542 routine and LSDA pointers.
544 * unwind-pe.h (DW_EH_PE_aligned): New.
545 (base_of_encoded_value): Handle it.
546 (read_encoded_value_with_base): Likewise.
547 * unwind-dw2-fde.c (base_from_object): Likewise.
548 (get_cie_encoding): Likewise.
550 * config/alpha/elf.h: Remove ecoff commentary.
551 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
553 2001-06-05 David O'Brien <obrien@FreeBSD.org>
555 * config.gcc, config/i386/bsd386.h: Do not directly include
556 i386/386bsd.h. Instead do it via tm_file.
558 2001-06-05 David O'Brien <obrien@FreeBSD.org>
560 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
563 2001-06-05 Pascal Obry <obry@act-europe.fr>
565 * configure.in: Quote $enable_win32_registry in case the value has
569 2001-06-05 Mark Mitchell <mark@codesourcery.com>
571 * print-rtl.c (xspaces): Remove.
572 (print_rtx): Use printf field-width, rather than xpsaces, to
574 * toplev.c (main): Disable sibling-call optimization if we are
577 2001-06-05 Bernd Schmidt <bernds@redhat.com>
579 * reload1.c (reload): Delete all USEs generated during reload.
581 2001-06-05 scott snyder <snyder@fnal.gov>
583 * gccbug.in: Fix typo.
585 2001-06-05 Andreas Jaeger <aj@suse.de>
587 * builtins.def: Fix definition of __builtin_cosf, it uses float as
588 parameter and return value.
590 2001-06-04 Anthony Green <green@redhat.com>
592 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
593 machine. This is now done in sparc.h.
595 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
597 Correct CVS resurrection of invoke.texi.
598 * doc/invoke.texi: Document new tree dump flags.
600 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
602 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
603 for casting an aggregate to its own type. Fixes PR c/2735.
605 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
607 * doc/texinfo.tex: Update to version 2001-05-24.08.
609 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
611 * c-common.h (flag_dump_translation_unit): Remove.
612 (enum tree_dump_index): Define.
613 (TDF_ADDRESS, TDF_SLIM): New #defines.
614 (dump_node_to_file): Remove.
615 (dump_node): Make extern. Add flags.
616 (dump_flag, dump_enabled_p, dump_begin, dump_end,
617 dump_switch_p): Prototype.
618 * c-common.c (flag_dump_translation_unit): Remove.
619 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
620 logic. Use dump_switch_p.
621 * c-dump.h (struct dump_info): Add node and user fields.
622 (dump_pointer): Declare.
623 * c-dump.c (dump_node): Make extern. Add flags.
624 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
625 (dump_new_line, dump_maybe_newline): Use them.
626 (dump_pointer): New function.
627 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
628 chain or function's body. Dump address, if TDF_ADDRESS set.
630 (dump_node_to_file): Remove.
631 (struct dump_file_info): New struct.
632 (dump_files): New array.
633 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
634 * c-lang.c (finish_file): Adjust dumping.
635 * toplev.h (dump_base_name): Make extern.
636 * invoke.texi: Document new flags.
638 2001-06-04 Mark Mitchell <mark@codesourcery.com>
640 * c-tree.h (lang_decl): Add pending_sizes fields.
641 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
643 (c_expand_body): Expand them.
644 (lang_mark_tree): Mark lang_decl:pending_sizes.
645 * function.c (expand_pending_sizes): New function, broken out
647 (expand_function_start): ... here.
648 * tree.h (expand_pending_sizes): Declare it.
650 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
652 * doc/install.texi: Update FreeBSD information. Generalize
653 and update information for alpha-based platforms using ELF.
655 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
657 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
658 (store_parm_decls): Likewise.
659 * c-typeck.c (convert_arguments): Likewise.
661 2001-06-04 Richard Henderson <rth@redhat.com>
663 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
664 optimization if current_function_calls_setjmp.
666 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
668 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
671 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
673 * simplify-rtx.c (simplify_subreg): Fix combining of
676 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
678 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
679 (no_labels_between_p): Short circuit case beg==end.
681 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
683 * rtlanal.c (operand_preference): Fix preference for objects.
685 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
687 * gcse.c (handle_avail_expr): Be prepared to handle single_set
690 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
692 * combine.c (if_then_else_cond): Use simplify_subreg instead
694 * integreate.c (sub_constants): Likewise.
696 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
698 * emit-rtl.c (constant_subword): Deprecate; remove most of code
699 and use simplify_gen_subreg.
701 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
703 * sibcall.c (skip_copy_to_return_value): recognize the situation
704 when the called function's return value is copied into an
705 intermediate pseudo, and then into the calling functions return
708 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
710 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
711 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
712 in case register wasn't OK previously, accept it now; allow
713 subregs of frame pointer if reload completed and frame pointer
716 * combine.c (sombine_simplify_rtx): Fix comment;
717 use subreg_lowpart_offset instead of subreg_lowpart_p
718 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
719 * rtl.h (subreg_lowpart_parts_p): Kill.
720 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
721 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
722 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
723 (gen_lowpart_common): Likewise.
724 (subreg_lowpart_p): Likewise.
725 (subreg_lowpart_parts_p): Kill.
726 (subreg_lowpart_offset, subreg_highpart_offset): New function.
728 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
729 to simplify SUBREG and REG.
730 (gen_highpart): Use simplify_gen_subreg for all simplifications.
732 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
735 * rtlanal.c (replace_regs): Use simplify_gen_subreg
737 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
739 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
740 (ARRAY_RANGE_REF): Added description.
742 * tree.def (ARRAY_RANGE_REF): New code.
743 * alias.c (handled_component_p, can_address_p): Handle it.
744 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
745 * explow.c (set_mem_attributes): Likewise.
746 * expr.c (expand_assignment, get_inner_reference): Likewise.
747 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
748 * fold-const.c (operand_equal_p): Likewise.
749 * tree.c (staticp, stabilize_reference): Likewise.
750 * varasm.c (decode_addr_const): Likewise.
752 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
754 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
755 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
757 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
759 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
760 mark_constant_pool_use before output_addr_const.
761 (struct pool_node): New field wend.
762 (add_constant): Note a sequence of constants that are referenced
764 (pool_window_label, pool_window_last): New variables.
765 (dump_table): Emit a unspec_volatile representing the end of a
766 sequence of constants.
767 (mark_constant_pool_use): New function.
768 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
769 (consttable_2): Add the second operand which flags whether
770 this consttable entry was used or not.
771 (consttable_4, consttable_8, consttable_sf, consttable_df):
773 (consttable_window_end): New insn.
775 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
777 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
778 Reformat according to coding standards.
781 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
782 (shl_and_kind): Cast wide constant.
783 (gen_far_branch): Define as static, as in declaration.
784 (barrier_align): Compute cache-line length as unsigned. Add
785 parentheses in initial credit computation.
786 (rounded_frame_size): Add parentheses.
787 (permanent_obstack): Remove declaration. Include ggc.h for
788 declaration of ggc_add_root_rtx().
789 (get_free_reg): Removed declaration of unused variable reg.
790 (legitimize_pic_address): Mark mode argument as unused.
792 2001-06-03 Igor Shevlyakov <igor@windriver.com>
794 * config/sh/sh.c (output_branch): Support for insn with lenght
795 attr 12 & 16 which represents cond branches outside +-4096 range.
797 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
799 * config/sh/lib1funcs.asm (ic_invalidate): Align the
800 cache-mirroring sequence. Add nops.
802 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
804 * doc/install-old.texi: Remove more old installation
806 * doc/install.texi: Add relevant parts here.
808 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
810 * doc/install.texi2html: New script.
812 2001-06-03 David Edelsohn <edelsohn@gnu.org>
814 * doc/install.texi: Update AIX information again.
816 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
818 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
819 installation documentation.
820 * doc/install.texi: Move it to here.
822 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
824 * doc/install.texi: Clean up Texinfo markup.
826 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
828 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
829 to just after title page.
831 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
833 * doc/install-old.texi: Remove documentation of some configuration
835 * doc/install.texi: Add relevant parts of this documentation here.
837 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
839 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
840 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
842 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
844 * i386.md (all uses of ext_register_operand): Make sure they are
845 VOIDmode; replace all uses outside zero_extend.
846 (and?i splitters): Use ext_register_operands.
847 (test?i peep2): Remove ignored constraints.
848 * i386.c (ext_register_operand): Check that operand is
849 eighter pseudo or hard or 'Q' register.
851 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
853 * tree.h (struct record_layout_info_s): New field unpadded_align.
854 (set_lang_adjust_rli): New declaration.
855 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
856 it would have if not packed, do not downgrade DECL_ALIGN.
857 (lang_adjust_rli, set_lang_adjust_rli): New.
858 (start_record_layout): Initialize new field unpadded_align.
859 (debug_rli): Display it.
860 (place_union_field, place_field): Set it.
861 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
863 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
864 mean that; use proper names instead.
865 Print DECL_NO_STATIC_CHAIN.
867 * except.c (expand_builtin_frob_return_addr): Add missing call
868 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
869 (expand_builtin_eh_return): Likewise.
870 (expand_eh_return): Clean up ptr_mode != Pmode cases.
872 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
874 * doc/invoke.texi: Remove references to papers about sequence points
875 to readings.html, refer to that page.
877 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
879 * README: Update references to installation instructions.
881 2001-06-01 Laurent Guerby <guerby@acm.org>
882 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
884 * doc/install.texi: Define srcdir when sources come from CVS.
885 Significantly improve markup. Wrap overly long lines
887 2001-06-01 DJ Delorie <dj@redhat.com>
889 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
890 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
891 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
892 gcov.1: Move to doc subdirectory.
893 * install.texi: Move to doc/install-old.texi.
894 * gcc.texi: Move to doc, refer to install-old.texi.
895 * Makefile.in: Reflect move of docs to doc/.
896 * f/Make-lang.in: Ditto.
897 * java/Make-lang.in: Ditto.
898 * doc/.cvsignore: New.
900 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
902 * invoke.texi: use two spaces between command options, eliminate
903 some 'overfull hboxes'
905 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
907 * Makefile.in (s-mlib): Make backtick-commands always succeed.
908 (DRIVER_DEFINES): Ditto.
910 2001-05-31 Richard Henderson <rth@redhat.com>
912 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
913 also link against libgcc.a.
915 2001-05-31 Geoff Keating <geoffk@cygnus.com>
917 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
918 * config/mips/mips.c (mips_output_ascii): New function.
919 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
921 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
923 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
925 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
926 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
928 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
930 * install.texi (Configuration): Add html links for --with-gnu-as &
931 --with-gnu-ld and refer to them from hppa & SCO triplets.
932 (Specific): Link back to with-gnu-ld for all ELF platfoms.
933 (Specific): Reword AVR binutils recommendation.
935 2001-05-30 Zack Weinberg <zackw@stanford.edu>
937 * ggc-page.c (size_lookup): Increase minimum allocation size
939 (ggc_print_statistics): Report size of each bin in bytes, not
940 as its order; there is no longer a direct relationship.
942 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
944 * extend.texi: Fix formating of examples, eliminate some
946 * gcc.texi: Eliminate some 'overfull hboxes'.
947 * invoke.texi: Use two spaces between command options, eliminate
948 some 'overfull hboxes'.
950 2001-05-30 Richard Henderson <rth@redhat.com>
952 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
954 2001-05-30 Tom Tromey <tromey@redhat.com>
956 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
957 use it in the new association.
959 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
960 John David Anglin <dave@hiauly1.hia.nrc.ca>
962 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
963 to target type to allow ISO C++ compiler to accept it.
964 * gthr-dce.h (__gthread_active_ptr): Likewise.
965 * gthr-solaris.h (__gthread_active_ptr): Likewise.
967 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
969 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
970 so that we do accept comments in preprocessed input.
972 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
974 * cpphash.c (alloc_node): Cast allocated pointer.
976 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
978 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
980 2001-05-29 Stan Shebs <shebs@apple.com>
982 * gcc.texi: Add links for information about Objective-C.
984 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
986 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
987 /bin/sed fails on [^\"]).
988 (configargs.h): Likewise.
990 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
992 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
994 2001-05-28 Stan Shebs <shebs@apple.com>
996 * objc/objc.gperf: Remove, no longer used.
998 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1000 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1001 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1002 Remove trailing whitespace.
1004 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1006 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1007 became http://freeware.sgi.com/.
1009 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1011 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1014 2001-05-27 Stan Shebs <shebs@apple.com>
1016 * objc/objc-act.c: Add/fix various comments.
1017 (init_selector): Remove, no longer used.
1018 (build_msg_pool_reference): Ditto.
1019 (objc_debug): Ditto.
1021 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1023 * c-decl.c (init_decl_processing):
1024 Don't call start_identifier_warnings.
1025 * flags.h (warn_id_clash, id_clash_len): Remove.
1026 * stringpool.c: Don't include flags.h.
1027 (scan_for_clashes, do_identifier_warnings,
1028 start_identifier_warnings): Remove.
1029 * toplev.c (warn_id_clash, id_clash_len): Remove.
1030 (display_help): Don't document -Wid-clash.
1031 (decode_W_option): Print warning on -Wid-clash.
1032 * tree.h (start_identifier_warnings): Remove.
1033 * invoke.texi: Remove documentation of -Wid-clash.
1035 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1037 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1039 2001-05-27 Bruce Korb <bkorb@gnu.org>
1041 * fixinc/check.tpl(HACK) add and use a Scheme variable
1042 (has no test text): error out if no "test_text" is defined
1043 * fixinc/fixincl.tpl: likewise
1044 (FIXIDX): make it an enumeration so we minimize diffs
1045 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1046 * fixinc/fixincl.x: regenerate
1047 * fixinc/tests/base/stdio.h: test output got moved due to
1049 * README-fixinc: rewrite (mostly)
1051 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1053 * cpplib.c (run_directive): Set pfile->directive.
1055 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1057 * c-tree.texi: Reformat the manual as a single chapter now
1058 included by gcc.texi.
1059 * gcc.texi: Include c-tree.texi. Merge all indexes.
1060 * Makefile.in (dvi): Add generation for the cppinternals
1061 documentation. Added dependencies on fdl.texi and c-tree.texi
1062 where appropriate. Use TEXI2DVI instead of custom tex calls.
1063 (info): Added dependencies on fdl.texi and c-tree.texi where
1064 appropriate. Remove the target c-tree.info.
1066 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1068 * combine.c (try_combine): Fix typo in comment.
1069 * expr.c (expand_expr): Likewise.
1070 * config/i370/i370.md (untyped_call): Likewise.
1072 2001-05-26 Bruce Korb <bkorb@gnu.org>
1074 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1075 when fixincl is operating in test mode
1076 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1077 (AAB_ultrix_limits): remove redundant text
1078 (AAB_ultrix_memory): ditto
1079 (AAB_ultrix_string): ditto
1080 (djgpp_wchar_h): fix the test text
1081 (irix_stdio_va_list): add test text
1082 (irix_limits_const): add a testing output file (limits.h is overwritten)
1083 (strict_ansi_not_ctd): put limits.h second in list for same reason
1084 (solaris27_mutex_init): test text needed selection text, too
1086 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1087 when fixincl is operating in test mode
1089 2001-05-26 Philip Blundell <philb@gnu.org>
1091 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1092 * config/i960/i960-protos.h: Likewise.
1093 * config/i370/i370-protos.h: Likewise.
1094 * config/h8300/h8300-protos.h: Likewise,
1095 * config/sh/sh-protos.h: Likewise.
1096 * config/v850/v850-protos.h: Likewise.
1098 2001-05-26 Philip Blundell <philb@gnu.org>
1100 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1102 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1104 * toplev.c (debug_args, f_options, W_options): Mark
1105 descriptions for translation.
1106 (display_help): Translate descriptions on output.
1108 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1109 objc/lang-options.h: Mark descriptions for translation.
1111 * aclocal.m4: Quote final argument of patsubst. Use
1112 3-argument form of AC_DEFINE. Restore quotes to [] while
1114 * configure.in: Remove unnecessary changequote calls.
1115 * configure, config.in: Regenerate.
1117 2001-05-25 Sam TH <sam@uchicago.edu>
1119 * basic-block.h: Fix header include guards.
1120 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1121 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1122 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1123 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1124 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1125 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1126 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1127 varray.h version.h: Likewise.
1128 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1129 config/arm/arm.h config/c4x/c4x-protos.h
1130 config/h8300/h8300-protos.h config/h8300/h8300.h
1131 config/i370/i370-protos.h config/i370/i370.h
1132 config/i960/i960-protos.h config/mcore/mcore.h
1133 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1134 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1135 * fixinc/fixlib.h fixinc/server.h: Likewise.
1137 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1139 * config/arc/initfini.c (.init): Fix typo.
1141 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1143 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1145 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1147 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1149 2001-05-25 Richard Henderson <rth@redhat.com>
1151 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1153 2001-05-25 Richard Henderson <rth@redhat.com>
1155 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1156 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1157 (sparc*-*-solaris2): Likewise.
1158 * config/t-linux: Remove shared libgcc macros.
1159 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1160 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1162 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1164 * config.gcc (*-*-freebsd*): Report bad configuration.
1166 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1168 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1170 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1172 (ASM_OUTPUT_LABELREF): Delete.
1174 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1176 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1177 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1178 * fixinc/fixincl.x: Regenerate.
1179 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1180 (FIX_TEST_TABLE): Declare it.
1181 * fixinc/fixlib.h: Include config.h.
1183 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1185 * fixinc/inclhack.def (alpha___assert): Change char * args to
1186 const char * on Tru64 UNIX to avoid excessive warnings from
1188 * fixinc/fixincl.x: Regenerate.
1190 2001-05-25 Geoff Keating <geoffk@redhat.com>
1192 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1193 outputting a tag only for variable-size records.
1195 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1197 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1198 instead of rtx_equal_p for early clobber test.
1200 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1202 * builtins.def: Encode additional information, such as names and
1204 * builtin-types.def: New file.
1205 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1206 (built_in_decls): Likewise. Don't explicitly initialize global
1208 (expand_builtin_mathfn): Handle float and long double variants of
1210 (expand_builtin): Likewise.
1211 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1212 (expand_tree_builtin): Handle long, long long, float, and long
1213 double variants of math functions.
1214 * c-common.h (c_tree_index): Remove some unused nodes.
1215 (void_ftype): Remove.
1216 (void_type_ptr): Likewise.
1217 (int_ftype_int): Likewise.
1218 (ptr_ftype_sizetype): Likewise.
1219 * c-decl.c (init_decl_processing): Remove creation of DWARF
1221 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1222 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1223 * Makefile.in (c-common.o): Depend on builtin-types.def.
1225 2001-05-25 Dale Johannesen <dalej@apple.com>
1227 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1229 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1231 * c-parse.in (notype_initdcl): Remove redundant line.
1233 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1235 * aclocal.m4: Fixed typo.
1236 (gcc_AC_HEADER_STDBOOL): Define.
1237 (gcc_AC_C__BOOL): Define.
1238 * configure.in: Use them.
1239 (AC_CHECK_HEADERS): Remove stdbool.h
1240 * configure, config.in: Regenerate.
1242 2001-05-25 Richard Henderson <rth@redhat.com>
1244 * function.c (expand_function_start): Don't abort on PARALLEL
1245 returns from hard_function_value.
1247 2001-05-25 Richard Henderson <rth@redhat.com>
1249 * config/i386/i386.md: Revert previous change. Do not apply
1250 the peephole if the components do not die after the sequence.
1252 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1254 * c-parse.in (array_declarator): New. Handle C99 constructs.
1255 Don't restrict [*] declarators to C only.
1256 (after_type_declarator, parm_declarator_starttypename,
1257 parm_declarator_nostarttypename, notype_declarator,
1258 direct_absdcl1): Use it.
1259 * c-decl.c (build_array_declarator, set_array_declarator_type):
1260 New functions. Warn that [*] isn't properly implemented; pedwarn
1261 for [*] outside C99 mode if pedantic rather than giving a hard
1263 (grokdeclarator): Handle static and type qualifiers in parameter
1265 * c-tree.h (build_array_declarator, set_array_declarator_type):
1267 * extend.texi (Attribute Syntax): Document attributes in parameter
1270 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1272 * config/i386/i386.md: Make sure cmpstr peepholes do not
1273 affect liveness information.
1275 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1277 * c-typeck.c (digest_init): Issue error messages about
1278 invalid constants, not warnings.
1280 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1282 * invoke.texi (-fno-builtin): Document that this is always on
1285 2001-05-24 Philip Blundell <philb@gnu.org>
1287 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1290 2001-05-24 Philip Blundell <philb@gnu.org>
1292 * config/arm/arm.c (output_return_instruction): Correctly handle
1293 interworking and interrupt functions.
1295 2001-05-24 Philip Blundell <philb@gnu.org>
1297 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1298 -m{no-}sched-prolog. Fix typos and improve formatting.
1300 2001-05-24 Philip Blundell <philb@gnu.org>
1302 * invoke.texi (ARM Options): Improve wording slightly. Add
1303 documentation for more options, including those for Thumb mode.
1304 Don't mention options that don't exist or are unimplemented.
1305 (Thumb Options): Delete; merged into above section.
1307 2001-05-24 Geoff Keating <geoffk@redhat.com>
1309 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1310 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1312 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1314 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1315 fix hard register simplification.
1317 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1319 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1320 of just copying CPP_CPU_SPEC.
1322 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1324 * i386.c (incdec_operand): Accept only 1 and -1.
1326 2001-05-23 Kelley Cook <kelley.cook@home.com>
1328 * Makefile.in: Move many of the *_H definitions eariler in the
1329 file, so that rules in t-* files that use them for
1330 dependencies will work in a parallel build.
1331 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1333 2001-05-23 Richard Henderson <rth@redhat.com>
1335 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1337 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1339 * cpp.texi: Update for handling of charconsts.
1340 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1341 diagnostics. Skip to the end if the UCS is too short.
1342 (cpp_interpret_charconst): Long charconsts issue a warning
1345 2001-05-23 Richard Henderson <rth@redhat.com>
1347 * doc/install.texi (alpha-linux): Require binutils 2.11.
1349 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1351 * c-lex.c (read_escape, read_ucs): Delete.
1352 (lex_string): Use cpp_parse_escape.
1353 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1354 if not C++ or not C99. Warn if traditional.
1355 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1356 unsigned. Warn for out-of-range escape sequences here.
1357 Update to use maybe_read_ucs.
1358 (cpp_interpret_charconst): Don't warn here.
1359 * cpplib.h (cpp_parse_escape): New exported function.
1361 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1363 * extend.texi (Attribute Syntax): Clarify application of
1364 attributes to parameters declared as functions or arrays.
1366 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1368 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1370 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1372 * diagnostic.c (vnotice): Kill.
1373 (fnotice): Call vfprintf directly.
1374 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1375 verbatim, set_diagnostic_context): Rename string argument to
1376 indicate that it is run through gettext.
1377 (vbuild_message_string, build_message_string, output_do_printf):
1378 Rename string argument to indicate that it is NOT run through
1380 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1381 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1382 Run msgid argument through gettext.
1383 (default_print_error_function): Run constant strings through
1384 gettext when nothing else will.
1385 (fatal_error, internal_error, error_recursion): Use fnotice.
1386 Present complete sentences to gettext.
1388 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1390 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1392 2001-05-23 Richard Henderson <rth@redhat.com>
1394 * function.c (expand_function_start): Always use a pseudo
1395 for the function result value.
1397 2001-05-22 Richard Henderson <rth@redhat.com>
1399 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1400 section pointer alignment.
1402 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1404 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1405 of __USER_LABEL_PREFIX__.
1407 2001-05-22 Richard Henderson <rth@redhat.com>
1409 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1410 (__deregister_frame_info_bases): New.
1411 * unwind-dw2-fde.h: Declare it.
1412 * libgcc-std.ver: Export it.
1413 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1414 called __register_frame_info_bases.
1416 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1418 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1419 instead of #elif (which is OK for this case but not in general).
1421 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1423 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1424 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1425 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1426 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1427 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1429 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1430 David O'Brien <obrien@freebsd.org>
1432 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1433 configure-time options and target version of FreeBSD. Set-up
1434 to match architectural change in threading support. Correctly
1435 report when -pthread option is not supported by configure-time
1437 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1438 and extend to encode target version number in run-time setting
1439 of __FreeBSD__ macro to match the system compiler.
1440 (CPP_PREDEFINES): Likewise.
1441 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1443 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1444 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1446 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1447 David O'Brien <obrien@freebsd.org>
1449 * config.gcc (the unlabeled system switch statement): Add
1450 generic configuration section to handle *-*-freebsd*. Also,
1451 to match the system compiler, default to threading support (it
1452 may be disabled with the standard --disable-threads
1453 configuration-time switch).
1454 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1455 (alpha*-*-freebsd* in machine-specific section): Likewise.
1457 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1458 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1459 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1460 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1461 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1463 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1464 David O'Brien <obrien@freebsd.org>
1466 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1467 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1468 -pthread instead setting macro.
1470 2001-05-22 Richard Henderson <rth@redhat.com>
1472 * crtstuff.c (__register_frame_info_bases): Declare.
1473 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1474 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1476 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1477 (CRT_GET_RFIB_DATA): New.
1478 * config/i386/sysv4.h: Likewise.
1479 * config/i386/sco5.h: Likewise.
1480 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1482 2001-05-22 Richard Henderson <rth@redhat.com>
1484 * rtl.c (read_string): Break out from ...
1485 (read_rtx): ... here.
1487 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1489 * doc/install.texi (Specific): Remove a bogus and duplicate part
1490 copied from the end of the document.
1492 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1494 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1496 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1498 * install.texi: Remove obsolete information on SunOS as well as
1499 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1500 (Installing GNU CC on the Sun): Remove section.
1502 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1504 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1505 keep errno unchanged on success.
1507 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1509 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1510 once for hexadecimal floats, whether or not they contain a decimal
1511 point. Don't let the setting of pedantic otherwise affect the
1512 parsing of hexadecimal floats.
1514 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1516 * README.ACORN: Remove obsolete file.
1518 2001-05-22 Jan Hubicka <jh@suse.cz>
1520 * combine.c (gen_binary): Use swap_commutative_operands_p
1521 (simplify_comparison): Likewise.
1522 * expmed.c (emit_store_flag): Likewise.
1523 * expr.c (compare_from_rtx): Likewise.
1524 (do_compare_rtx_and_jump): Likewise.
1525 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1526 if not emitting a branch and operands want swapping.
1528 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1530 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1531 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1532 (maybe_get_identifier): Update.
1533 * tree.h (make_identifier): Delete.
1535 2001-05-21 Richard Henderson <rth@redhat.com>
1537 * combine.c (subst): Do not substitute for a register as
1538 a destination subreg/strict_low_part/zero_extract.
1540 * combine.c (simplify_comparison): Update op1 after constant
1542 * recog.c (const_int_operand): Accept only constants valid
1544 * genrecog.c: Update comments wrt const_int_operand.
1546 * emit-rtl.c (init_emit_once): Zero unused memory in a
1549 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1551 * tree.h (type_num_arguments): Declare it.
1552 * tree.c (type_num_arguments): New function.
1554 2001-05-21 Richard Henderson <rth@redhat.com>
1556 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1559 2001-05-21 Geoff Keating <geoffk@redhat.com>
1561 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1563 (minsf3): Use rs6000_emit_minmax.
1564 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1566 (movsfcc): Use rs6000_emit_cmove.
1567 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1568 Don't generate emit_fselsfsf4.
1569 (fseldfsf4): Likewise.
1570 (maxdf3): Use rs6000_emit_minmax.
1572 (mindf3): Use rs6000_emit_minmax.
1573 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1575 (movdfcc): Use rs6000_emit_cmove.
1576 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1577 Don't generate emit_fselsfsf4.
1578 (fselsfdf4): Likewise.
1579 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1580 (min_max_operator): New predicate.
1581 (rs6000_emit_cmove): New function.
1582 (rs6000_emit_minmax): New function.
1583 * config/rs6000/rs6000-protos.h: Prototype new functions.
1584 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1585 and min_max_operator.
1587 * config/rs6000/rs6000.c (output_cbranch): Handle all
1588 conditional types in the switch statement.
1590 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1592 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1593 non-register variables.
1594 * extend.texi: Document that asm-specifications do not make sense
1595 for non-static local variables.
1597 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1599 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1600 (dbxout_type_fields): Lose minimal_debug support.
1601 (dbxout_type_methods, dbxout_type): Likewise.
1603 2001-05-17 Andrew Haley <aph@redhat.com>
1605 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1607 2001-05-21 Richard Henderson <rth@redhat.com>
1609 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1612 2001-05-20 Richard Henderson <rth@redhat.com>
1614 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1615 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1616 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1617 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1618 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1620 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1621 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1622 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1623 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1624 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1625 DEBUG_PUBNAMES_SECTION): Rename as above.
1626 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1628 2001-05-20 Richard Henderson <rth@redhat.com>
1630 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1631 operands unless the operation is commutative.
1633 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1635 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1638 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1640 * extend.texi: Clarify documentation of extensions included in ISO
1641 C99. Prefer C99 terminology and syntax to old GNU terminology and
1642 syntax. Add more index entries. Document mixed declarations and
1643 code as an extension in C89 mode. Warn about future changes to
1644 semantics of inline functions. Fixes PR other/930.
1646 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1648 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1649 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1650 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1651 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1653 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1655 2001-05-20 Richard Henderson <rth@redhat.com>
1657 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1658 to be output before a branch.
1660 2001-05-20 Richard Henderson <rth@redhat.com>
1662 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1664 2001-05-20 Richard Henderson <rth@redhat.com>
1666 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1667 (ASM_DOUBLE): Remove.
1668 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1669 * config/i386/sun386.h: Likewise.
1671 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1672 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1674 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1675 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1676 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1677 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1679 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1680 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1681 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1682 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1683 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1684 * config/i386/win32.h: Likewise.
1686 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1688 * invoke.texi: Add more options to summary list.
1690 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1692 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1693 used. Fixes PR c/2291.
1694 * gcc.1: Regenerate.
1696 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1698 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1699 the -fpic and -fPIC options, clear flag_pic.
1701 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1703 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1704 * stringpool.c (make_identifier): No statistics here anymore.
1705 * objc-act.c (steup_string_decl): Remove redundant check.
1707 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1709 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1710 cpplib.o, cpphash.o, fix-header): Update.
1711 (hashtable.o): New target.
1712 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1713 struct c_common_identifier here.
1714 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1715 * c-lex.c (c_lex): Update.
1716 * c-pragma.h: Update.
1717 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1719 (C_RID_CODE): Delete.
1720 * cpphash.c: Rewrite to use hashtable.c.
1721 * cpphash.h: Update include guards.
1722 (struct cpp_reader): Remove hashtab.
1723 hash_ob and buffer_ob are no longer pointers. Add hash_table
1725 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1726 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1727 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1728 * cppinit.c (cpp_create_reader): Update.
1729 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1730 (cpp_interpret_charconst): Eliminate warning.
1731 * cpplib.c (do_pragma, do_endif, push_conditional,
1732 cpp_push_buffer, cpp_pop_buffer): Update.
1733 (_cpp_init_stacks): Rename cpp_init_directives.
1734 (_cpp_cleanup_stacks): Remove.
1735 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1736 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1737 cpp_forall_identifiers, cpp_create_reader): Update.
1738 (C_RID_CODE, cpp_make_node): New.
1739 (c_common_identifier): New identifier node for C front ends.
1740 * cppmain.c (main): Update.
1741 * fix-header.c (read_scan_file): Update.
1742 * flags.h (id_clash_len): Make unsigned.
1743 * ggc.h (ggc_mark_nonnull_tree): New.
1746 * stringpool.c: Update comments and copyright. Update to use
1748 * toplev.c (approx_sqrt): Move to hashtable.c.
1749 (id_clash_len): Make unsigned.
1750 * toplev.h (ident_hash): New.
1751 * tree.c (gcc_obstack_init): Move to hashtable.c.
1752 * tree.h: Include hashtable.h.
1753 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1754 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1755 (struct tree_identifier): Update.
1756 (make_identifier): New.
1758 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1759 (C_RID_CODE): Remove.
1760 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1761 (init_parse): Don't do it here.
1763 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1765 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1767 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1769 (expand_eh_return): Convert between word_mode and Pmode.
1770 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1772 (execute_stack_op): Likewise.
1773 (execute_cfa_program): Likewise.
1774 (uw_frame_state_for): Likewise.
1775 (uw_update_context_1): Likewise.
1776 * unwind.inc (_Unwind_Reason_Code): Likewise.
1777 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1778 (EH_RETURN_STACKADJ_RTX): Likewise.
1779 * config/mips/mips.c (compute_frame_size): Make space for saving
1780 EH return registers.
1781 (mips_expand_epilogue): Handle EH stack adjustments.
1782 * config/mips/mips.md (eh_return): New pattern.
1783 (eh_set_lr_si): Likewise.
1784 (eh_set_lr_di): Likewise.
1785 Add splitter to perform EH return after reload.
1787 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1789 * jump.c (mark_jump_label): Tidy previous change.
1791 2001-05-19 Bruce Korb <bkorb@gnu.org>
1793 * fixinc/genfixes: no need for two warnings
1794 * fixinc/Makefile.in: open stdin for those building with a closed one.
1796 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1798 * jump.c (jump_optimize_1): Tidy.
1799 (mark_jump_label): When changing the label in a LABEL_REF, change
1800 update any REG_EQUAL notes as well.
1802 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1804 * c-parse.in (parm_declarator): Split into
1805 parm_declarator_starttypename and parm_declarator_nostarttypename.
1806 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1807 New. Allow parenthesised sub-declarators which don't begin with a
1808 TYPENAME. Fixes PR c/166.
1810 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1812 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1814 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1816 * toplev.c (main): If the target does not allow profiling without
1817 a frame pointer, issue an error message.
1818 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1821 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1823 * recog.c (general_operand): Modify last change to allow it if reload
1826 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1828 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1829 subregs containing mem.
1831 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1833 * regrename.c (regrename_optimize): frame pointer register can
1836 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1838 * README.DWARF: Move into dwarfout.c.
1840 2001-05-18 Dale Johannesen <dalej@apple.com>
1842 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1843 specific misuse of r0 as a reload address.
1845 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1847 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1850 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1852 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1853 (add_to_sequence): Make that decision type.
1854 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1855 (write_switch, write_cond, debug_decision_2): Likewise.
1857 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1859 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1862 2001-05-18 Stan Shebs <shebs@apple.com>
1864 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1865 * configure: Regenerate.
1867 2001-05-18 Per Bothner <per@bothner.com>
1869 Changes needed for java/jvspec.c
1870 * gcc.h (n_infiles, outfiles): Add declarations.
1871 * gcc.c (n_infiles, outfiles): Mske no longer static.
1873 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1875 * config/pa/som.h (EXCEPTION_SECTION): Define.
1877 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1879 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1881 Add have_location_lists, a variable to determine whether we need a
1882 .debug_loc section or not.
1883 (enum dw_val_class): Add dw_val_class_loc_list.
1884 (dw_val_struct): Add val_loc_list.
1885 (dw_loc_list_struct): New structure, represents location lists.
1886 (new_loc_list): New function, return a new location list, given
1887 the range and location expression.
1888 (add_loc_descr_to_loc_list): New function, add a location
1889 expression to a location list, given the expression and range.
1890 (output_loc_list): New function, output a location list.
1891 (gen_internal_sym): Modified to take symbol prefix, so we can
1892 reuse it for location list symbols.
1893 (add_AT_loc_list): New function, add a location list to a DIE at
1894 the named attribute.
1895 (AT_loc_list): New function, return the location list reference
1896 for a given attribute, if it's a location list.
1897 (print_die): Handle dw_val_class_loc_list.
1898 (size_of_die): Ditto.
1899 (value_format): Ditto.
1900 (output_die): Ditto.
1901 (output_location_lists): New function, output all of the location
1902 lists for a DIE and it's children.
1903 (dwarf2out_finish): Call output_location_lists if we have location
1907 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1909 * gcse.c (try_replace_reg): First try global replace, later try to
1910 simplify the expression.
1912 * gcse.c (find_used_regs): Change calling convention; work via
1914 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1916 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1919 2001-02-09 Nick Clifton <nickc@redhat.com>
1920 * config/arm/arm.md: Change output constraint on post inc
1921 load/store multiple patterns to be a read/write constraint.
1923 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1925 * basic-block.h (struct basic_block_def): Add documentation about
1926 what a basic block is, and what the various fields are used for.
1927 * flow.c (calculate_globlal_regs_live): Add documentation about
1928 how the algorithm works, and how we know that it will terminate.
1929 Check that the the inductive assumption that guarantees
1930 termination actually holds.
1931 (mark_used_regs): Treat conditionally set registers as used.
1932 (debug_regset): Add comment.
1933 * rtl.texi (cond_exec): Add documentation.
1935 * function.c (expand_function_start): Avoid creating BLKmode
1938 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1940 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1941 DIE, even if it has no children.
1942 (dwarf2out_finish): Always output the line-number table, even if
1945 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1947 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1949 2001-05-17 Bruce Korb <bkorb@gnu.org>
1951 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1952 * fixinc/genfixes: emit a warning if AutoGen is out of date
1954 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1955 Bruce Korb <bkorb@gnu.org>
1957 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1958 found in fixinc directory. Facilitates binary distributions.
1960 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1962 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1965 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1967 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1969 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1971 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1972 (simplify_subreg): Handle complex types represented as CONCAT.
1974 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1975 * rtl.h (swap_commutative_operands_p): Declare.
1976 * rtlanal.c (swap_commutative_operands_p): New.
1977 (operand_preference): New static function.
1979 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1980 (gen_binary): Likewise.
1981 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1982 * simplify-rtx.c (simplify_gen_binary,
1983 simplify_gen_relational): Likewise.
1985 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1987 * cse.c (fold_rtx): Use simplify_subreg.
1989 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1990 (simplify_gen_subreg): New.
1991 (simplify_rtx): Use simplify_subreg.
1992 * rtl.h (simplify_gen_subreg): Declare.
1994 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1996 * doc/install.texi: Update Solaris information.
1998 * except.h (protect_cleanup_actions): Remove it.
1999 (lang_protect_cleanup_actions): Declare it.
2000 * except.c (protect_cleanup_actions): Remove it.
2001 (lang_protect_cleanup_actions): New variable.
2002 (init_eh): Don't make protect_cleanup_actions a GC root.
2003 (expand_eh_region_and_cleanup): Call
2004 lang_protect_cleanup_actions.
2005 (output_function_exception_table): Remove unused `align'
2007 * varasm.c (assemble_external): Abort if we have not yet
2008 opened the assembly output file.
2010 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2012 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2013 for eh_personality_libfunc.
2015 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2017 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2018 when calling simplify_subreg. This is needed to allow replacing
2019 of expression of one mode by expression of different mode.
2021 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2023 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2025 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2027 * expr.c (protect_from_queue): Protect against subsequent calls to
2029 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2032 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2034 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2036 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2038 * gccbug.in (CATEGORIES): Add "bootstrap".
2040 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2042 * simplify-rtx.c (simplify_subreg): Break out from ...
2043 * combine.c (combine_splify_rtx) ... here and ...
2044 * recog.c (validate_replace_rtx_1): ... here;
2045 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2046 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2047 (subreg_lowpart_p): ... here.
2049 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2051 * stmt.c (expand_asm_operands): For inout operands, make sure
2052 the substitution of '=' for '+' makes it into the rtl.
2054 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2055 (reload_as_needed): Call update_eliminable_offsets a bit later.
2057 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2059 * gcc.texi (gccbug): Refer to the web pages for detailed information
2062 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2064 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2066 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2067 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2068 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2069 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2070 * cross-make: Don't set LIBGCC1.
2071 * mklibgcc.in: Delete all code for building from libgcc1.c.
2072 Always honor LIB1ASMFUNCS if set.
2074 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2075 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2076 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2077 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2078 config/i386/uwin.asm, config/m68hc11/larith.asm,
2079 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2080 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2081 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2082 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2083 Delete or update references to libgcc1 in commentary.
2085 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2086 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2087 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2088 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2089 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2090 config/arm/t-semi, config/arm/t-strongarm-coff,
2091 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2092 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2093 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2094 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2095 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2096 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2097 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2098 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2099 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2100 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2101 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2102 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2103 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2104 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2105 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2106 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2107 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2108 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2109 config/mips/t-ultrix, config/mn10200/t-mn10200,
2110 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2111 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2112 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2113 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2114 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2115 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2116 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2117 config/sparc/t-sparclite, config/sparc/t-splet,
2118 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2119 config/sparc/t-vxsparc64, config/v850/t-v850:
2120 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2122 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2123 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2124 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2125 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2126 nongcc_SI_type, nongcc_word_type, or perform_*
2127 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2129 * config/i386/386bsd.h, config/i386/beos-elf.h,
2130 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2131 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2132 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2133 Don't include i386/perform.h.
2135 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2136 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2137 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2138 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2139 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2140 config/vax/t-openbsd, config/vax/t-vax: Delete.
2142 * config.gcc: Remove references to deleted files.
2143 (arm-semi-aof): Use arm/t-semi for tmake_file.
2145 * gcc.texi, install.texi, invoke.texi, tm.texi:
2146 Delete or rewrite text which is no longer relevant now that
2147 libgcc1 no longer exists.
2149 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2150 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2152 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2153 Bruce Korb <bkorb@gnu.org>
2155 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2158 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2160 * i386.md: Add two peepholes to clean up code generated by
2163 2001-05-16 Richard Henderson <rth@redhat.com>
2165 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2166 variants of non-absolute encodings.
2168 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2170 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2171 __register_frame_info_table_bases): Export.
2173 2001-05-16 Richard Henderson <rth@redhat.com>
2175 * except.c (eh_data_format_name): Move to ...
2176 * dwarf2asm.c: ... here. Use designated initializers if available.
2177 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2178 * dwarf2asm.h: Update declarations.
2179 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2180 ASM_PREFERRED_EH_DATA_FORMAT.
2181 (output_call_frame_info): Likewise. Use 'L' augmentation for
2184 * unwind-dw2-fde.h (struct fde_vector): New.
2185 (struct old_object): Rename from struct object.
2186 (struct object): New.
2187 (__register_frame_info_bases): Declare.
2188 (__register_frame_info_table_bases): Declare.
2189 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2190 * unwind-dw2-fde.c (objects): Remove.
2191 (unseen_objects, seen_objects): New.
2192 (__register_frame_info_bases): New.
2193 (__register_frame_info): Use it.
2194 (__register_frame_info_table_bases): New.
2195 (__register_frame_info_table): Use it.
2196 (__deregister_frame_info): Rewrite for changed object struct.
2197 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2198 (fde_unencoded_compare): Rename from fde_compare; uninline.
2199 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2200 (start_fde_sort): Adjust for new definition of fde_vector.
2201 (fde_insert): Likewise.
2202 (end_fde_sort): Likewise. Select comparison function based
2203 on properties of the object.
2204 (fde_split): Take object and fde_compare_t arguments.
2205 (frame_heapsort, fde_merge): Likewise.
2206 (classify_object_over_fdes): Rename from count_fdes. Handle
2207 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2209 (add_fdes): Handle encoded pointers.
2210 (init_object): Rename from frame_init. Update for new struct object.
2211 (linear_search_fdes): Rename from search_fdes. Handle encoded
2213 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2214 (binary_search_single_encoding_fdes): New.
2215 (binary_search_mixed_encoding_fdes): New.
2216 (search_object): New.
2217 (_Unwind_Find_FDE): Update for new struct object. Fill in
2219 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2220 iterating over EH data.
2221 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2222 fde_encoding, lsda_encoding.
2223 (read_uleb128, read_sleb128): Remove.
2224 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2225 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2226 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2228 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2230 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2232 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2233 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2234 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2235 cpp_spell_token, cpp_output_token): Similarly.
2236 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2237 do_pragma_poison, parse_assertion, do_assert): Similarly.
2238 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2239 save_parameter, _cpp_create_definition, check_trad_stringification,
2240 cpp_macro_definition): Similarly.
2241 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2242 * c-lex.c (cb_undef, c_lex): Similarly.
2243 * fix-header.c (recognized_function): Similarly.
2244 * cpplib.h (NODE_LEN, NODE_NAME): New.
2245 (cpp_hashnode): Rename length len.
2247 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2249 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2252 2001-05-16 Andreas Jaeger <aj@suse.de>
2254 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2256 * toplev.c: Include dwarf2asm.h for prototype of
2257 dw2_output_indirect_constants.
2259 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2261 * stmt.c (expand_asm_operands): Be able to offload addressof
2262 expression to memory. (PR optimization/185)
2264 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2266 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2267 applying distributive law.
2269 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2271 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2273 * gthr-dce.h (UNUSED): Attribute unused macro.
2274 (__gthread_key_dtor): Make arguments UNUSED.
2275 (__gthread_key_delete): Revise for compatibility with DRAFT4
2278 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2280 * doc/install.texi: Update AIX information.
2281 * README.RS6000: Remove obsolete file.
2283 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2284 Nathan Sidwell <nathan@codesourcery.com>
2286 * gcc.c (give_switch): Don't write before start of string.
2287 Always append suffix.
2289 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2291 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2294 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2296 * README.ALTOS: Remove obsolete file.
2298 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2300 * c-lex.h (save_and_forget_protocol_qualifiers,
2301 forget_protocol_qualifiers, remember_protocol_qualifiers):
2302 Remove deleted functions' prototypes.
2304 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2306 * c-parse.in (methodtype): New production.
2307 (methoddef, methodproto): Collapse separate '-' and '+'
2310 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2312 * c-common.h (RID_FIRST_PQ): New.
2313 * c-parse.in (objc_pq_context): New.
2314 (objc parser): Set objc_pq_context rather than calling
2315 remember_protocol_qualifiers and forget_protocol_qualifiers.
2316 Don't call save_and_forget_protocol_qualifiers.
2317 (yylexname): Handle objc protocol qualifiers here.
2318 * stringpool.c (struct str_header): Replace with sp_hashnode.
2319 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2320 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2321 Allocate an IDENTIFIER_NODE for each identifier.
2322 (FORALL_STRINGS, set_identifier): Delete.
2323 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2324 (ggc_alloc_string): Use an obstack.
2325 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2326 * tree.h: Update comments.
2327 (set_identifier): Delete.
2328 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2329 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2330 remember_protocol_qualifiers): Delete.
2332 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2334 * flow.c (life_analysis): After life analysis is complete, do
2335 an optional scan over insns looking for REG_LABEL notes that
2336 reference a deleted label.
2337 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2338 before peeking at LABEL_NUSES.
2340 2001-05-15 Richard Henderson <rth@redhat.com>
2342 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2343 (_Unwind_GetTextRelBase): New.
2345 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2347 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2349 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2351 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2352 so that CHOOSE_SECTION gets used.
2354 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2355 TARGET_RELOCATABLE like flag_pic for now.
2357 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2359 * rs6000.md (movdi splitter): Sign extend more efficiently.
2360 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2361 to "long long" valid on 32-bit and 64-bit hosts.
2362 (logical_operand): Cast trunc_int_for_mode return value.
2363 (rs6000_emit_move): Shift macro to encapsulate variable.
2364 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2365 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2366 plus_constant requires signed argument.
2368 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2370 * gthr-posix.h: Make additional pthread-* functions weak.
2372 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2374 * recog.c (apply_change_group): Avoid unneeded validating.
2376 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2378 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2379 (num_insns_constant): CONST_INT can be 64-bits.
2381 2001-05-14 Stan Shebs <shebs@apple.com>
2383 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2384 (LIBGCC_SPEC): Don't define.
2386 2001-05-14 Richard Henderson <rth@redhat.com>
2388 * configure.in (gcc_cv_as_eh_frame): New test.
2389 * config.in, configure: Rebuild.
2390 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2392 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2394 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2395 extended precision divide.
2397 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2399 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2400 for RETURNS as well.
2402 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2404 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2405 (CPP_CPU??_SIZE_TYPE): New.
2406 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2407 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2408 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2409 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2411 * i386.c (override_options): Add sorry about not suported modes.
2413 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2415 * config/pa/som.h (NM_FLAGS): Remove.
2416 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2417 (ASM_OUTPUT_SECTION_NAME): Remove.
2418 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2420 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2422 * regrename.c (regrename_optimize): Do not rename registers to
2425 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2427 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2428 contain MEMs. Remove useless distinction about clobbering
2431 2001-05-13 Geoff Keating <geoffk@redhat.com>
2433 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2434 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2435 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2436 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2437 (EXCEPTION_SECTION): Define.
2439 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2441 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2442 binary backward compat only.
2443 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2444 in LIB2FUNCS. Pass it to mklibgcc.
2445 * mklibgcc.in: Handle LIB2FUNCS_ST.
2447 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2449 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2451 * tm.texi (THREAD_MODEL_SPEC): Document it.
2452 * gcc.c (main): Use it.
2453 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2454 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2456 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2458 * rtl.h (SYMBOL_REF_WEAK): New macro.
2459 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2460 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2461 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2462 * gcc.texi: Remove wrong description.
2464 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2466 * Makefile.in (STAMP): New macro.
2467 Replace all uses of `touch' with $(STAMP).
2468 * fixinc/Makefile.in: Likewise.
2470 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2472 * configure.in: ldopen is never in -lexc, so don't test for it.
2473 Add test for exc_resume in -lexc for Ada.
2474 * configure: Regenerated.
2476 2001-05-12 Richard Henderson <rth@redhat.com>
2478 * dwarf2asm.c (size_of_encoded_value): New function.
2479 * dwarf2asm.h: Declare it.
2480 * except.c (output_function_exception_table): Align the TType
2481 array only as wide as the encoding.
2483 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2485 * extend.texi: Document #pragma GCC java_exceptions.
2487 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2489 * c-parse.in (bison parser, init_reswords): Remove uses of
2491 * c-tree.h (doing_objc_thang): Remove.
2493 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2495 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2496 about files not ending in newlines.
2498 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2500 * dwarfout.c (dwarfout_init): Add cast.
2501 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2502 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2504 * method.c (build_mangled_C99_name): Remove unused prototype.
2506 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2508 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2510 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2512 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2513 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2515 2001-05-11 Richard Henderson <rth@redhat.com>
2517 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2518 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2519 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2520 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2521 (dw2_output_indirect_constants): Prototype.
2522 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2523 current_function_func_begin_label if we'll need it for EH. Exit
2524 early for IA64_UNWIND_INFO.
2525 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2526 (eh_data_format_name): Update for indirect references.
2527 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2528 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2529 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2530 define HAVE_eh_return etc.
2531 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2532 (final_end_function): Don't call output_function_exception_table.
2533 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2534 (rest_of_compilation): Invoke output_function_exception_table
2535 for ia64 before assemble_end_function.
2536 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2537 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2539 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2540 * unwind.h: Declare them.
2541 * libgcc-std.ver: Export them.
2542 * unwind-pe.h: New file.
2544 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2546 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2548 (find_fde_for_dso): Extract DT_PLTGOT.
2549 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2550 the segment and gp as well.
2551 * config/ia64/frame-ia64.c: Remove file.
2552 * config/ia64/frame-ia64.h: Remove file.
2553 * config/ia64/unwind-ia64.c: New file.
2554 * config/ia64/unwind-ia64.h: New file.
2555 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2556 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2557 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2558 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2559 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2560 (IA64_UNWIND_INFO): Re-enable.
2561 (HANDLER_SECTION): Remove.
2562 (EH_RETURN_DATA_REGNO): New.
2563 * config/ia64/ia64.md (exception_receiver): Remove.
2564 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2565 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2567 2001-05-11 Richard Henderson <rth@redhat.com>
2569 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2570 calls and jumps to be bundled together.
2571 (ia64_reorg): Emit a break after a noreturn call that ends
2573 * config/ia64/ia64.md (break_f): New.
2575 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2577 * c-lex.c (lex_charconst): Convert into a simple wrapper
2578 around cpp_interpret_charconst, to which most of the code
2580 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2581 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2582 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2583 (lex): Use cpp_interpret_charconst.
2584 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2585 hex_digit_value): New functions.
2586 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2587 * cpplib.h (cpp_interpret_charconst): New prototype.
2588 * Makefile.in: Update.
2590 2001-05-12 Dean Wakerley <dean@wakerley.com>
2592 * doc/install.texi: New file. Converted to texinfo from the HTML
2593 documentation in wwwdocs/htdocs/install.
2595 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2597 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2598 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2600 * toplev.c (compile_file): Move comment for opening output
2601 file to just before the code that opens the output file.
2603 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2605 * regmove.c (regmove_optimize): Suppress the optimization for
2606 unchanging destination register. Add comment above function.
2608 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2610 * Makefile.in: Exterminate all references to assert.h.
2611 * cross-make: Likewise.
2613 * configure.in: Correct commentary.
2614 * configure: Regenerate.
2616 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2619 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2620 config/t-netbsd, config/t-rtems, config/x-linux,
2621 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2622 No need to override INSTALL_ASSERT_H.
2624 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2625 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2626 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2628 2001-05-11 Graham Stott <grahams@redhat.com>
2630 * combine.c (simplify_comparison): Fix typo.
2632 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2634 * loop.h (struct movables): Remove `num'.
2635 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2636 Adjust call to strength_reduce.
2637 (num_unmoved_movables): New function.
2638 (move_movables): Don't set movables->num.
2639 (strength_reduce): Compute the number of instructions in the loop
2640 here, rather than in the caller.
2641 (check_dbra_loop): Always clear reversible_mem_store if there
2642 are any memory sets.
2643 (loop_regs_scan): Don't count instructions here.
2644 (count_insn_in_loop): New function.
2646 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2648 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2650 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2652 * c-common.c (finish_label_expr): New function, lifted from
2653 from cp/semantics.c.
2654 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2655 * c-parse.in: Move 3 blocks of parser code into new functions.
2656 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2657 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2658 (lookup_label): Remove.
2660 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2662 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2663 FLOAT_BIT_ORDER_MISMATCH.
2665 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2667 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2668 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2670 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2672 * expr.c (emit_group_load): extract_bit_field requires a REG or
2675 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2677 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2678 a computed jump into an unconditional jump.
2679 In second hunk of code for collapsing computed and conditional jumps
2680 into unconditional jumps, reemit the jump in additional cases.
2682 * jump.c (jump_optimize_1): Do not wrap the new jump target
2683 inside a LABEL_REF; gen_jump will do that automatically.
2685 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2687 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2688 contents for a SYMBOL_REF in case of floating point constants.
2690 2001-05-10 DJ Delorie <dj@redhat.com>
2692 * c-common.c (combine_strings): Widen strings in a
2693 host-endian-independent way.
2695 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2697 * c-parse.in: Remove many shift/reduce conflicts. Update
2699 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2700 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2701 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2702 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2703 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2704 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2705 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2706 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2707 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2708 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2709 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2710 typespec_reserved_nonattr, typespec_reserved_attr,
2711 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2712 structsp_nonattr, components_notype, component_notype_declarator,
2713 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2714 firstparm, setspecs_fp): New
2715 (typed_declspecs, reserved_declspecs, typed_typespecs,
2716 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2717 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2718 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2719 type_quals): Remove. Users updated.
2720 (initdecls, notype_initdecls, after_type_declarator,
2721 parm_declarator, notype_declarator, absdcl1, components, ivars):
2722 Don't allow attributes at the start of a declarator; include them
2723 in the production containing the declarator instead. Always
2724 require type specifiers before trying to redeclare a typedef name.
2725 (typename): Allow for attributes but warn that they are ignored.
2726 (parmlist, firstparm, setspecs_fp): Include attributes in
2727 parmlist; suck them off the parser stack in firstparm using
2730 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2732 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2733 to determine if a block has an unconditional jump at its end.
2735 * jump.c (jump_optimize_1): When converting a conditional jump
2736 to an unconditional jump, build the jump using gen_jump instead
2737 of just modify operands in-place.
2739 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2741 * cppinit.c (cpp_post_options): Shut off macro expansion if
2743 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2744 IN_I directives only if the # is in column 1 and the directive
2745 name begins in column 2.
2746 * cppmain.c (scan_buffer): Insert a space between # and an
2747 identifier, when that identifier is a directive name.
2749 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2750 in the header search path.
2751 (enum node_type): Add T_INCLUDE_NEXT.
2752 (directive_table): Add entry for include_next.
2753 (do_include_next): New function.
2754 (process_include): New routine, broken out of do_include.
2755 (finclude): Insert 'nhd' argument, to be copied into
2756 next_header_dir of the new buffer.
2757 (main): Adjust to match.
2758 * gsyslimits.h, limity.h: Un-indent #include_next.
2760 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2762 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2763 inclusion as a chapter of the GCC manual.
2764 * gcc.texi: Include objc.texi.
2765 * fdl.texi: Use @unnumberedsec for the addendum.
2766 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2768 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2770 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2772 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2774 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2775 handling of two-address insns.
2777 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2779 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2780 ../binutils/nm-new instead of ../binutils/nm.
2782 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2784 * i386.md (movdi splitter): Fix the splitting condition
2785 (float_extenddftf splitter): Fix mode.
2787 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2789 * genrecog.c (write_switch): Avoid outputting of switch for
2790 types wider than int.
2792 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2794 * reload1.c (copy_eh_notes): New function.
2795 (emit_input_reload_insns): Call it.
2796 (emit_output_reload_insns): Call it.
2798 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2800 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2802 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2803 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2805 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2807 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2809 * pa.md (interspace_jump): Revise comment.
2810 (builtin_longjmp): Block initial setup insns from delay slot of
2812 (builtin_setjmp_receiver): New expander to save and restore PIC
2815 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2817 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2819 * toplev.c (compile_file): Set up the output file before we call
2820 the various initializers for the compiler.
2822 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2823 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2825 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2826 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2828 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2830 * Makefile.in (tradcpp0): Correct typo in dependency list.
2832 2001-05-06 Geoff Keating <geoffk@redhat.com>
2834 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2835 the link register if we're not going to use it.
2837 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2838 (output_function_profiler): Likewise.
2840 2001-05-07 Alan Modra <amodra@one.net.au>
2842 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2844 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2846 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2847 zero-extend it. Make abs_inc unsigned.
2849 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2850 widest mode in narrowing and widening operations.
2852 * config/mips/mips.md: Sign extend CONST_INTs.
2854 2001-05-06 Andreas Jaeger <aj@suse.de>
2856 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2857 (i386 Options): Document -momit-leaf-frame-pointer.
2859 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2861 * c-typeck.c (internal_build_compound_expr): Check for
2862 array to pointer conversion just once.
2864 2001-05-05 Richard Henderson <rth@redhat.com>
2866 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2868 2001-05-05 Richard Henderson <rth@redhat.com>
2870 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2871 to the parent of the fixup region.
2873 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2875 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2877 * cpp.texi (__NO_INLINE): Document it.
2879 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2881 * cppfiles.c (struct include_file): New member err_no.
2882 (find_or_create_entry): Set it.
2883 (open_file): Don't set fds to -2. Instead, use err_no to
2884 remember previous errors, if any.
2886 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2888 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2889 between X and Y by using sequences of xgdx and xgdy.
2891 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2893 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2894 of '!' for the 'D' alternative ('!' is too strong).
2895 ("*logicalsi3_silshl16"): Likewise.
2896 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2897 ("movstrictsi"): Remove spurious '+'.
2898 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2899 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2900 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2903 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2905 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2907 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2909 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2912 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2914 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2917 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2919 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2920 soft register, use ror instead of rol.
2922 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2924 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2925 into account pre/post increment decrement for 68HC12.
2926 Fix other problems in replacement and fix call to reg_mentioned_p.
2928 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2930 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2931 Put the soft registers in bss for 68HC12.
2932 (L_regs_d3_4): New for _.d3 and _.d4.
2933 (L_regs_d5_6): Likewise.
2934 (L_regs_d1_2): Likewise.
2935 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2937 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2939 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2940 to the pre-processor when -fshort-double is specified.
2941 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2943 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2945 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2946 (__mulsi3): Rewrite for 68HC12.
2947 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2948 Mark 'x' constraint with earlyclobber to prevent a
2949 RELOAD_FOR_OTHER_ADDRESS to go in it.
2950 (mulhi3_m68hc12): New pattern.
2951 (mulhi3_m68hc11): Rename of mulhi3.
2952 (mulhi3): New expand for 68HC12 optimisation.
2953 (umulhisi3, mulhisi3): New patterns for 68HC12.
2955 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2957 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2958 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2959 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2961 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2963 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2964 constants cheap after reload.
2965 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2967 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2968 so that gcc prefers a shift by 16.
2969 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2971 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2973 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2975 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2977 * alpha.h: NULL_PTR -> NULL.
2984 * i386.md: Likewise.
2987 * m68hc11.h: Likewise.
2988 * rs6000.h: Likewise.
2991 * sparc.h: Likewise.
2995 * final.c: Likewise.
2997 * recog.c: Likewise.
2999 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3001 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3002 `bool' parameter to `int'.
3004 * hash.c (hash_lookup): Likewise.
3006 * hash.h (hash_lookup): Likewise.
3008 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3010 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3012 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3014 2001-05-03 Geoff Keating <geoffk@redhat.com>
3016 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3017 -malign-loops, -malign-functions.
3018 * i386.c (ix86_align_funcs): Delete.
3019 (ix86_align_loops): Delete.
3020 (ix86_align_jumps): Delete.
3021 (override_options): Mark -malign-* as obsolete. Emulate their
3022 behaviour with the -falign-* options. Default -falign-* from
3023 the processor table.
3024 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3025 patch of Wed May 2 13:09:36 2001.
3026 (LOOP_ALIGN): Delete.
3027 (LOOP_ALIGN_MAX_SKIP): Delete.
3028 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3029 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3031 2001-05-04 Andreas Jaeger <aj@suse.de>
3033 * except.h: Add prototype declaration for
3034 expand_builtin_init_dwarf_reg_sizes.
3036 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3038 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3040 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3042 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3044 ("bitcmpqi2"): New pattern for bit-extract and test.
3045 ("bitcmphi"): New pattern for bitb/bita instructions.
3047 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3049 * gccbug.in: Use a temporary directory when the mktemp command is
3052 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3054 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3056 (INITIALIZE_TRAMPOLINE): Call it.
3057 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3058 (TRAMPOLINE_TEMPLATE): Remove.
3059 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3060 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3063 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3065 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3066 and crtendS.o with PIC.
3068 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3070 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3072 (___subdi3, ___adddi3): Use x instead of y as index register.
3073 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3074 (__memset, __memcpy): Likewise.
3075 (regs): Put the soft registers in bss for 68HC12.
3076 (abort): Use trap to abort for 68hc12.
3077 (__mulhi3, __mulhi32): Use emul for 68hc12.
3078 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3080 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3082 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3083 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3084 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3085 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3086 Set 68HC12 min offset to -65536.
3087 (print_operand): Put parenthesis arround the operand if it refers
3088 to a symbol having the same name as a register.
3089 (m68hc11_z_replacement): When z register is replaced by its
3090 equivalent soft register, force the insn to be re-recognized.
3091 (m68hc11_check_z_replacement): Fix the test when destination is
3092 the index register and z dies in the insn.
3093 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3095 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3097 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3098 costs according to processor variant.
3099 (m68hc11_shift_cost): New function to compute shift costs.
3100 (m68hc11_rtx_costs): Define costs according to processor variant.
3101 (m6811_cost): Costs for 68HC11.
3102 (m6812_cost): Costs for 68HC12.
3103 (COSTS_N_INSNS): Remove.
3105 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3106 (DEFAULT_RTX_COSTS): Remove.
3107 (CONST_COSTS): Define costs according to OUTER_CODE.
3108 (processor_costs): New struct to define costs.
3109 (m68hc11_cost): Pointer to current costs.
3111 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3113 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3114 and use m68hc11_notice_keep_cc when using leax/leay.
3115 (addhi3 split): Reject split if the insn is handled by
3117 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3118 push must be handled in a special way if the source operand uses
3119 sp as index register.
3120 (m68hc11_notice_keep_cc): New function.
3121 (m68hc11_gen_movhi): Use it when an insn changes a register but
3123 (m68hc11_gen_movqi): Fix move for 68HC12.
3124 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3126 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3128 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3129 and don't pass operands[0] to emit_library_call_value.
3131 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3133 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3134 (zero_extendsi split): Simplify and use (zero_extendhi).
3135 (*addhi3): Remove 'w' constraint since stack pointer is handled
3137 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3138 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3139 (*ashrhi3_const): Fix shift by 7.
3140 (*lshrsi3_const16): Fix template.
3141 (call, call_value): Fix constraint and predicate.
3143 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3145 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3146 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3147 (CC_REGNUM): Likewise.
3148 (*unnamed splits): Use above constants instead of hard coded numbers.
3149 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3150 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3151 (*return_16bit, *unnamed peepholes): Likewise.
3153 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3155 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3156 rs6000/rs6000.h twice.
3158 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3160 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3161 (CPP_SPEC): Conditionally define MSDOS and GO32.
3162 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3163 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3165 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3167 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3169 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3171 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3173 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3174 * integrate.c (expand_inline_function): Use xcalloc to allocate
3176 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3179 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3181 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3184 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3186 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3187 linker if -mrelax is given.
3188 (TARGET_SWITCHES): Document -mrelax.
3190 Re-installed 2001-01-09's patch:
3191 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3192 if it's wider than long and the target's long is wider than the
3195 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3197 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3198 directly include rs6000/rs6000.h. Instead do it in tm.h.
3200 2001-05-02 Stan Shebs <shebs@apple.com>
3202 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3203 NSConstantString for NeXT-style runtimes.
3204 (STRING_OBJECT_GLOBAL_NAME): New macro.
3205 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3206 OCTI_STRING_CLASS_DECL.
3207 (constant_string_global_id): New macro.
3208 (string_class_decl): Ditto.
3209 (setup_string_decl): New function.
3210 (build_objc_string_object): Use it to build a NeXT runtime
3211 compatible string initializer.
3213 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3215 * tradcpp.c (do_define): Make sure we don't walk past limit.
3217 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3219 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3220 offsets if not REG_OK_STRICT.
3222 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3223 (INT_REG_OK_FOR_INDEX_P): Likewise.
3224 (INT_REG_OK_FOR_BASE_P): Likewise.
3225 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3226 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3227 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3228 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3229 REG_OK_FOR_BASE_P. Take an additional parameter.
3230 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3231 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3232 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3233 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3234 rs6000_legitimate_address() and use it.
3235 * config/rs6000/rs6000.c: Update all callers.
3236 (rs6000_legitimate_address): New function.
3238 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3240 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3241 special_constant conditional blocks together.
3243 2001-05-02 Dale Johannesen <dalej@apple.com>
3245 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3247 (STRICT_ARGUMENT_NAMING): Define.
3248 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3249 function_arg_partial_nregs, setup_incoming_varargs): Remove
3250 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3253 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3255 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3257 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3260 * expr.c (store_field): Do nothing except elaborate side-effects if
3263 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3265 * c-lex.c: NULL_PTR -> NULL.
3267 * emit-rtl.c: Likewise.
3269 * genpeep.c: Likewise.
3271 * mips-tdump.c: Likewise.
3272 * reload1.c: Likewise.
3273 * rtlanal.c: Likewise.
3275 * stor-layout.c: Likewise.
3276 * toplev.c: Likewise.
3278 2001-05-01 Per Bothner <per@bothner.com>
3280 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3281 call do_pending_stack_adjust before emiting label.
3283 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3285 * extend.texi: Fix typo.
3287 2001-05-01 Stan Shebs <shebs@apple.com>
3289 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3290 of UOBJC_MODULES_decl.
3291 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3292 (generate_descriptor_table): Ditto.
3293 (generate_protocols): Ditto.
3294 (generate_protocol_list): Ditto.
3295 (generate_classref_translation_entry): Ditto.
3297 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3299 * invoke.texi (Optimize Options): Add documentation for `--param
3300 max-delay-slot-insn-search' and `--param
3301 max-delay-slot-live-search' and reorder --param section.
3302 * params.def: Modify initial comment.
3303 * params.h (param_info): Add `help' member.
3304 * toplev.c (lang_independent_params): Include `help' description.
3305 (display_help): Print --param parameters.
3307 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3309 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3310 Remove references to deleted files.
3311 (*-*-openbsd): No need to override xmake_file.
3312 (*-*-sysv4): Treat like *-*-sysv.
3314 * configure.in: Probe for ldopen in various places, and set up
3315 collect2 to be linked with them if found.
3316 Don't dink with Windows registry stuff unless $host_os is a
3317 Win32 os name. Check to see if we need -ladvapi32.
3318 * configure: Regenerate.
3320 * Makefile: Get rid of CLIB and HOST_CLIB.
3321 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3322 * build-make: Get rid of HOST_CLIB.
3324 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3325 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3326 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3327 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3328 config/rs6000/x-rs6000: Delete.
3330 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3333 24 x-host fragments remain, 0 x-cpu, 3 top level.
3335 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3337 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3338 * configure: Regenerate.
3340 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3342 * Makefile.in (install-headers): Remove redundant dependency.
3344 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3346 * c-tree.texi (USING_STMT): Document.
3348 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3350 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3351 * c-common.c: Likewise.
3352 * c-decl.c: Likewise.
3353 * combine.c: Likewise.
3354 * rs6000.c: Likewise.
3355 * except.c: Likewise.
3356 * explow.c: Likewise.
3358 * fold-const.c: Likewise.
3359 * function.c: Likewise.
3362 * integrate.c: Likewise.
3364 * objc/objc-act.c: Likewise.
3365 * recog.c: Likewise.
3366 * reg-stack.c: Likewise.
3367 * reload.c: Likewise.
3368 * reload1.c: Likewise.
3369 * simplify-rtx.c: Likewise.
3371 * varasm.c: Likewise.
3373 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3375 * diagnostic.def: New file.
3376 * diagnostic.h (diagnostic_t): New enum.
3377 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3379 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3381 * tsystem.h: Test only POSIX for availability of string.h
3383 * config.gcc (all systems): If USG appeared in xm_defines,
3384 change it to POSIX. If both USG and POSIX appeared, just
3385 delete USG. Remove unnecessary quotes around xm_defines
3387 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3388 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3389 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3390 powerpc-*-linux*): No need to set xm_defines - handled by
3391 global settings for *-*-linux*.
3393 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3395 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3396 Always include gstab.h, not system stab.h. Don't provide
3397 default definitions of N_CATCH or N_OPT. Always use the
3398 gstab.h variant of STAB_CODE_TYPE.
3399 * final.c: Don't include stab.h/gstab.h at all, or provide
3400 defaults for N_SLINE and N_SOL.
3402 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3403 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3405 * sdbout.c: Always include gsyms.h instead of system syms.h.
3407 * configure.in: No need to check for stab.h.
3408 * configure, config.in: Regenerate.
3409 * Makefile.in (final.o): Don't depend on gstab.h.
3411 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3412 Richard Henderson <rth@redhat.com>
3414 * extend.texi: Improve documentation of volatile asms.
3416 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3418 * c-tree.texi: Fix thinko.
3419 * gcc.texi: Likewise.
3421 2001-04-30 Richard Henderson <rth@redhat.com>
3423 * c-common.c (c_promoting_integer_type_p): New function, from the
3424 corpse of old macro. Properly promote too-small enumerations and
3425 booleans. Adjust all callers.
3426 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3427 (c_promoting_integer_type_p): Declare.
3428 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3429 * c-typeck.c: Likewise.
3430 (default_conversion): Remove now redundant boolean check.
3432 2001-04-30 Jan Hubicka <jh@suse.cz>
3433 Richard Henderson <rth@redhat.com>
3435 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3437 (combine_stack_adjustments_for_block): Don't combine stack
3438 allocation followed by deallocations. Handle grow-up stacks.
3440 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3442 * fdl.texi: New file.
3443 * c-tree.texi: Use the GFDL.
3444 * gcc.texi: Likewise.
3446 2001-04-30 Stan Shebs <shebs@apple.com>
3448 * invoke.texi: Add a section documenting Objective-C options.
3450 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3452 * emit-rtl.c (try_split): Copy EH notes to sequence.
3454 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3456 * regmove.c (record_stack_memrefs): Catch all references to the
3459 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3461 * Makefile.in (stmp-fixinc): quote shell assignment values
3463 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3465 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3469 * prefix.c: Likewise.
3471 2001-04-28 Stan Shebs <shebs@apple.com>
3473 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3474 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3475 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3476 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3478 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3479 (NEXT_OBJC_RUNTIME): Define.
3481 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3483 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3484 * simplify-rtx.c (simplify_gen_relational): Likewise.
3486 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3488 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3489 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3491 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3492 registers in SSE case; fix handling of the immediates.
3493 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3494 operands to be in regsiters before reload.
3495 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3496 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3497 (abstf,absxf,negtf,negxf splitters): Compute
3498 properly the regnum for x86_64.
3499 (avsdf2_if_rex64): New.
3501 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3503 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3504 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3505 into the constant pool.
3506 * jump.c (jump_optimize_1): Remove barrier successors after all
3507 the LABEL_NUSES counds have been computed.
3508 (delete_barrier_successors): When deleting a tablejump insn, also
3509 delete the jump table it uses.
3510 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3513 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3515 * pa.c (FRP): Remove erroneous white space in macro definition.
3517 2001-04-28 Andreas Jaeger <aj@suse.de>
3519 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3521 * extend.texi: Likewise.
3522 * tm.texi: Likewise.
3524 2001-04-28 Andreas Jaeger <aj@suse.de>
3526 * md.texi: Use XX-bit instead of XXbit or XX bit where
3529 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3531 * gcc.c (process_command): Allow -l lib in addition to -llib
3532 for POSIX compliance. This fixes PR c/2347.
3534 * invoke.texi: Update section on Link Options accordingly.
3536 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3538 * function.c (purge_addressof_1): Remove the duplicate
3539 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3542 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3544 * except.c (expand_eh_region_start): Don't start a new block.
3545 (expand_eh_region_end): Don't end a block.
3546 * stmt.c (expand_end_bindings): Don't end EH blocks.
3547 (expand_decl_cleanup): Starting an EH region won't change the block.
3548 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3549 (is_eh_region): Lose.
3552 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3554 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3556 * collect2.c (main): Add `-L' case to remove duplicate entries.
3557 (is_in_args): New function to check for a duplicate argument.
3558 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3559 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3560 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3561 Define to be nonzero.
3563 2001-04-27 Andreas Jaeger <aj@suse.de>
3564 Richard Henderson <rth@redhat.com>
3566 * md.texi (Machine Constraints): Document additional i386
3567 constraints and fix description of "A".
3569 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3571 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3573 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3575 * except.c (get_exception_filter): word_mode, not Pmode.
3577 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3579 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3580 common to other movsf patterns. Move up so that in future
3581 people who change the other patterns will change it too.
3582 (movsf_lo_sum): Allow even for soft-float; add appropriate
3584 (movsf_high): Likewise.
3585 (movsf_high+1): Allow even for soft-float.
3587 * function.c (expand_function_end): Always clobber the
3588 return registers, even if there is no return label.
3590 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3592 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3594 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3596 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3597 (pushqi2_rex64, pushhi2_rex64): Add.
3599 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3601 * except.c (expand_eh_region_end_cleanup): Force pending stack
3602 adjust before emitting label that branches around cleanup code.
3604 2001-04-26 H.J. Lu (hjl@gnu.org)
3606 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3608 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3610 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3611 (ASM_OUTPUT_SECTION_NAME): Likewise.
3612 (ASM_WEAKEN_LABEL): Likewise.
3613 (UNIQUE_SECTION): Likewise.
3614 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3615 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3616 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3617 (ASM_OUTPUT_SECTION_NAME): Likewise.
3618 (ASM_WEAKEN_LABEL): Likewise.
3619 (UNIQUE_SECTION): Likewise.
3620 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3621 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3622 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3623 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3624 (ASM_FILE_START): Likewise.
3625 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3626 (ASM_DECLARE_OBJECT_NAME): Likewise.
3627 (ASM_FILE_END): Likewise.
3628 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3629 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3630 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3631 (ASM_OUTPUT_CASE_LABEL): Likewise.
3632 (ASM_OUTPUT_SKIP): Likewise.
3633 (ASM_OUTPUT_ASCII): Likewise.
3634 (ASM_OUTPUT_IDENT): Likewise.
3635 (READONLY_DATA_SECTION): Likewise.
3636 (EXTRA_SECTIONS): Likewise.
3637 (EXTRA_SECTION_FUNCTIONS): Likewise.
3638 (SELECT_RTX_SECTION): Likewise.
3639 (SELECT_SECTION): Likewise.
3641 * config/mips/linux.h (INVOKE__main): Undefine.
3642 (CTOR_LIST_BEGIN): Likewise.
3643 (CTOR_LIST_END): Likewise.
3644 (DTOR_LIST_BEGIN): Likewise.
3645 (DTOR_LIST_END): Likewise.
3646 (SET_ASM_OP): Defined it to ".dummy".
3647 (ASM_OUTPUT_DEF): Defined.
3648 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3650 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3652 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3653 assembler supports .p2align.
3655 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3657 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3659 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3661 * integrate.c (expand_inline_function): Check for error_mark_node
3664 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3666 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3669 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3671 * configure.in (configargs.h): Define thread_model.
3672 * configure: Rebuilt.
3673 * gcc.c (main): Print it with -v.
3675 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3677 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3678 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3679 * gcc.1: Regenerate.
3681 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3683 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3684 is_redundant_typedef): Use static inline instead of inline static.
3686 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3688 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3689 this directory is always searched.
3691 2001-04-25 Richard Henderson <rth@redhat.com>
3693 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3694 of registers to restore along non eh_return path.
3696 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3698 * c-format.c (check_format_info_recurse): Handle
3699 PLUS_EXPR for format string.
3701 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3703 * config/ia64/ia64.h (CC1_SPEC): Define.
3704 * config/ia64/linux.h (CC1_SPEC): Define.
3706 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3708 * emit-rtl.c (constant_subword): Also do sign extension in
3709 BITS_PER_WORD == 16 case.
3711 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3713 * loop.c (try_swap_copy_prop): Go back to checking insn.
3715 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3717 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3718 if check_mode is non-zero.
3720 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3722 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3723 out and comparison sequence has been detected, put result into
3724 proper temporary pseudo.
3726 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3728 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3729 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3730 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3731 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3732 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3733 for future reference.
3735 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3737 * except.c (reachable_handlers): Step out one level from a RESX.
3739 * except.c (struct eh_region): Rename 'last' to 'resume'.
3740 (mark_eh_region, duplicate_eh_region_1): Adjust.
3741 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3742 (build_post_landing_pads): Likewise.
3743 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3744 (expand_eh_region_end_must_not_throw): Likewise.
3745 (connect_post_landing_pads): Thread (only) regions with non-deleted
3748 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3749 registers around the cleanup.
3750 (get_exception_filter): New fn.
3751 (finish_eh_generation): Use it.
3753 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3755 * c-semantics.c (add_scope_stmt): Don't call
3756 current_scope_stmt_stack multiple times.
3758 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3759 Nathan Sidwell <nathan@codesourcery.com>
3761 Lazy __FUNCTION__ generation.
3762 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3763 RID_C99_FUNCTION_NAME): New _RIDs.
3764 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3765 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3766 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3768 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3769 (c99_function_name_decl_node, function_name_decl_node,
3770 pretty_function_name_decl_node, saved_function_name_decls):
3772 (struct language_function): Remove x_function_name_declared_p.
3773 (make_fname_decl): Remove a parameter.
3774 (declare_function_names): Remove prototype.
3775 (start_fname_decls, finish_fname_decls): Prototype.
3776 (fname_as_string): Likewise.
3777 (fname_string, fname_decl): Likewise.
3778 * c-common.c (make_fname_decl): Adjust.
3779 (struct fname_var_t): New struct.
3780 (fname_vars): New static array.
3781 (declare_function_name): Remove.
3782 (start_fname_decls, finish_fname_decls): New functions.
3783 (fname_as_string): New function from remnants of
3784 declare_function_name.
3785 (fname_string, fname_decl): New functions.
3787 * c-decl.c (c_function_name_declared_p): Remove.
3788 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3789 don't call declare_function_name. Call start_fname_decls.
3790 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3791 clobber the line number. Call finish_decl.
3792 (start_function): Call start_fname_decls.
3793 (finish_function): Call finish_fname_decls.
3794 Remove c_function_name_declared_p.
3795 (push_c_function_context): Don't push c_function_name_declared_p.
3796 (pop_c_function_context): Don't pop c_function_name_declared_p.
3797 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3798 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3799 (program): Call finish_fname_decls for C.
3800 (primary): Add VAR_FUNC_NAME.
3801 (reswords): Add slots for __FUNCTION__ et al.
3802 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3803 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3804 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3805 * c-semantics.c (prune_unused_decls): Remove.
3806 (finish_stmt_tree): Don't call prune_unused_decls.
3807 (genrtl_decl_stmt): Don't prune unused decls here.
3809 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3811 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3812 constant pool, use the pool's SYMBOL_REF instead.
3814 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3817 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3819 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3820 passing nested NOP_EXPRs to fold.
3822 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3824 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3826 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3828 * loop.c (loop_delete_insns): Add prototype.
3830 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3832 * configure.in: Remove ENABLE_STD_NAMESPACE.
3833 * config.in: Regenerated.
3834 * configure: Regenerated.
3836 2001-04-22 Stan Shebs <shebs@apple.com>
3838 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3840 * config/rs6000/xm-darwin.h: Remove file.
3842 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3844 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3845 (write_c_file_stat): Likewise.
3847 * dbxout.c (dbxout_init): Likewise.
3849 * profile.c (output_func_start_profiler): Likewise.
3851 2001-04-22 Philipp Thomas <pthomas@suse.de>
3853 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3854 require it instead of the CVS version.
3855 * cpperror.c (v_message): Put a blank before the macro
3856 body to not confuse exgettext.
3858 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3860 * flow.c (proagate_one_insn): Remove useless assignment.
3861 * jump.c (delete_insn): Tidy.
3862 * loop.c (try_copy_prop): When deleting an instruction with a
3863 REG_RETVAL note, delete the entire libcall sequence.
3864 (loop_delete_insns): New function.
3865 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3866 we're not substituting into them yet.
3868 2001-04-21 Kazu Hirata <kazu@hxi.com>
3870 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3872 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3874 * config/i960/i960.c (signed_arith_operand): Likewise.
3876 * calls.c (expand_call): Fix a comment typo.
3878 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3880 * configure.in: Probe for times, clock, struct tms, and clock_t.
3881 * configure, config.in: Regenerate.
3882 * timevar.c: Replace ifdef forest in get_time with (relatively)
3883 straightforward series of checks based on autoconf's probes.
3885 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3887 * config/pa/som.h (NM_FLAGS): Define.
3889 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3891 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3893 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3894 * ia64.c (nop_cycles_until): New function.
3895 (prev_cycle, prev_first, last_issued): New static variables.
3896 (ia64_sched_reorder): Additional arg for clock.
3897 On final scheduling pass, emit extra NOPs as needed.
3898 Set prev_first and prev_cycle.
3899 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3900 (ia64_variable_issue): Set last_issued.
3902 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3904 * config/i386/i386.c (ix86_expand_int_movcc,
3905 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3907 2001-04-20 Geoff Keating <geoffk@redhat.com>
3909 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3910 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3911 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3912 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3913 ctrdi_internal6): In the short-branch case, this insn is only 4
3914 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3916 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3918 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3919 "=u" is used together with "st" resp. "st(1)" clobber.
3921 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3923 * gcse.c (gcse_main): Fix comment typo.
3924 (delete_null_pointer_check): Likewise.
3925 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3926 * cse.c (cse_insn): Likewise.
3927 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3930 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3932 * toplev.c: Excise all code for the undocumented -dm option.
3933 (float_signal): Call signal just once, unconditionally.
3935 2001-04-19 Geoff Keating <geoffk@redhat.com>
3937 * fold-const.c (fold): Use first_rtl_op rather than
3938 TREE_CODE_LENGTH when looping over parameters of a tree.
3939 Correct strange grouping in test for evaluated SAVE_EXPR.
3941 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3943 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3944 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3946 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3947 name at 32 total characters.
3948 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3949 functions in named sections -- data items can still go into unique
3950 sections, but they have normal names (ie $LIT$ and $DATA$).
3952 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3955 2001-04-19 DJ Delorie <dj@redhat.com>
3957 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3958 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3959 * config/i386/cygwin.h: Likewise.
3960 * config/i386/mingw32.h: Likewise.
3961 * config/vax/vms.h: Likewise.
3962 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3964 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3965 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3966 * config/i386/xm-cygwin.h: Likewise.
3967 * config/i386/xm-djgpp.h: Likewise.
3968 * config/i386/xm-mingw32.h: Likewise.
3969 * config/vax/xm-vms.h: Likewise.
3971 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3972 instead of OBJECT_SUFFIX.
3973 * collect2.c (find_a_file): Look for files matching the extension
3974 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3975 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3976 TARGET_EXECUTABLE_SUFFIX.
3977 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3978 (make_relative_prefix): Likewise.
3979 (convert_filename): Use TARGET_ suffixes throughout. Remove
3981 (process_command): Likewise.
3982 (do_spec_1): Likewise.
3983 * java/lang.c (init_parse): Likewise.
3985 * gcc.texi : Document four new options matching the pattern
3986 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3987 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3988 documentation for NO_AUTO_EXE_SUFFIX.
3990 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3992 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3993 that language-independent processing should not be done.
3994 * toplev.c (main): Adjust accordingly.
3996 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3997 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3999 * mips.md (reload_outputdi): Require that operand0 be a
4002 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4004 * invoke.texi (-Wshadow): Clarify.
4006 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4008 * loop.c (load_mems): Examine all the instructions in the loop
4009 before concluding that all jumps branch to the first instruction
4012 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4014 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4016 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4018 * cpp.texi (-Wwhite-space): Remove.
4019 (-Wall): -Wall does not imply -Wwhite-space.
4021 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4023 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4024 use it instead of blindly generating a .stabs.
4025 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4027 * xcoffout.c: Don't bother defining default for N_CATCH.
4028 (UNKNOWN_STAB): Use internal_error.
4029 (stab_to_sclass): Remove now-unnecessary aborts.
4030 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4032 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4034 * jump.c (mark_all_labels): Canonicalize the tail recursion
4035 label attached to CALL_PLACEHOLDER insns.
4037 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4039 * output.h (dump_flow_info, free_basic_block_vars,
4040 which_alternative): Delete redundant prototypes.
4042 * rtl.h (bss_section): Likewise.
4044 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4046 * dbxout.c (N_OPT): Define if not available from <stab.h>
4048 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4050 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4051 libraries and native K&R compilers.
4053 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4055 * c-typeck.c (convert_arguments): Don't check for width changes
4058 * invoke.texi (-Wtraditional): Update documentation.
4060 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4062 * toplev.c (output_lang_identify): Delete.
4063 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4064 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4065 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4066 after calling ASM_FILE_END.
4068 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4069 Instead, unconditionally emit an N_OPT stab with string equal
4070 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4072 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4074 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4075 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4076 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4077 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4078 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4079 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4080 config/i370/i370.h, config/i386/beos-elf.h,
4081 config/i386/osf1elf.h, config/i386/osfrose.h,
4082 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4083 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4084 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4085 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4086 config/mips/iris6.h, config/mips/osfrose.h,
4087 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4088 config/sparc/sp64-elf.h:
4089 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4090 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4092 * config/elfos.h, config/freebsd.h, config/linux.h,
4093 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4094 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4095 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4096 of ASM_FILE_START which merely emit a .version directive. Delete
4097 definitions of ASM_FILE_END which merely emit an .ident directive.
4099 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4100 ASM_IDENTIFY_GCC and move part of its logic into
4103 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4104 config/sparc/linux-aout.h: Don't emit .version directive in
4107 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4108 (output_file_start): Correct comment.
4110 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4111 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4113 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4114 * config/rs6000/aix.h: Correct comment.
4116 * config/i386/i386afe.h: Delete.
4117 * config.gcc: Remove references to i386afe.h.
4119 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4120 other macros deleted by this patch were undocumented.
4122 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4124 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4126 * pa.c (secondary_reload_class): SAR<->FP copies require a
4129 * install.texi (mips-mips-bsd): Update list of functions
4130 required to include memmove.
4131 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4132 used functions to include memmove.
4134 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4136 * i386.md (sqrtdf2): SFmode should be DFmode.
4138 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4140 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4141 (find_moveable_store): Likewise.
4143 2001-04-15 Jim Wilson <wilson@redhat.com>
4145 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4147 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4149 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4150 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4152 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4154 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4157 2001-04-14 Alan Modra <amodra@one.net.au>
4159 * pa.c (force_mode): New function.
4160 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4162 2001-04-13 Jim Wilson <wilson@redhat.com>
4164 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4165 (first_instruction): New static variable.
4166 (rtx_needs_barrier): Return 1 for alloc.
4167 (init_insn_group_barriers): Set first_instruction.
4168 (rws_sum): Delete duplicate definition.
4169 (group_barrier_needed_p): Return 0 when first_instruction true.
4170 (safe_group_barrier_needed_p): Save and restore first_instruction
4171 around group_barrier_needed_p call.
4173 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4175 * expr.h (enum libfunc_index): Add LTI_memmove.
4176 (memmove_libfunc): Define macro.
4177 * optabs.c (init_optabs): Initialize memmove_libfunc.
4178 * expr.c (expand_assignment): Use memmove_libfunc instead of
4181 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4183 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4186 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4188 * Makefile.in (reg-stack.o): Depend on reload.h.
4189 (insn-attrtab.o): Depend on flags.h.
4191 * genattrtab (main): Include flags.h in insn-attrtab.c.
4193 * reg-stack.c: Include reload.h.
4195 * sparc.h (flag_pic): Delete redundant declaration.
4197 * output.h (flag_pic): Likewise.
4199 * tree.h (pedantic): Likewise.
4201 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4203 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4205 * jump.c, regmove.c, toplev.c: Include reload.h.
4207 * reload.h (reload_cse_regs): Declare.
4209 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4210 reload_cse_regs, init_reload, mark_home_live, reload,
4211 init_caller_save): Delete redundant prototypes.
4213 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4215 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4217 * regclass.c, ssa.c: Include expr.h.
4219 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4220 gen_move_insn): Delete redundant declarations.
4222 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4224 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4225 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4226 MAKEINFO and MAKEINFOFLAGS too.
4227 (stage4_build): Correctly order -B flags.
4229 2001-04-13 Alan Modra <amodra@one.net.au>
4231 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4232 PIC_OFFSET_TABLE_SAVE_RTX.
4233 (zdepi_cint_p): Describe zdepi insn.
4234 Formatting and white space fixes throughout file.
4236 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4237 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4238 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4239 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4240 (output_64bit_and): Use plain `int's for shift counts.
4241 (output_64bit_ior): Likewise.
4242 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4243 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4246 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4247 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4248 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4249 NEW_HP_ASSEMBLER into one. Kill warnings.
4251 * pa-gas.h: Delete file.
4252 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4253 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4254 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4255 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4257 * config/pa/mill32.S: New file.
4258 * config/pa/mill64.S: New file.
4259 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4260 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4261 * config/pa/t-linux64: New file.
4262 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4263 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4264 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4266 * elfos.h (SELECT_SECTION): Undef before defining.
4267 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4268 (LIB_SPEC): Remove -lmilli.
4269 (DBX_REGISTER_NUMBER): Remove.
4270 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4271 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4272 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4273 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4274 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4275 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4276 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4277 TARGET_GAS): Define.
4278 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4279 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4280 regs if we don't have a prototype.
4281 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4282 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4283 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4284 EH_RETURN_HANDLER_RTX): Define.
4285 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4286 (DWARF_FRAME_REGNUM): Define.
4287 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4288 * pa32-linux.h: New file.
4289 * pa64-linux.h: New file.
4291 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4292 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4293 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4294 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4295 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4296 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4297 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4298 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4299 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4300 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4301 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4302 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4303 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4304 * pa64-hpux.h: New file.
4305 (ASM_FILE_START): Correct typo.
4306 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4307 * config.gcc: Modify for above.
4309 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4311 * jump.c (jump_optimize_1): Don't delete dead stores here.
4312 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4313 prior to running jump optimize before cse2.
4315 2001-04-12 Richard Henderson <rth@redhat.com>
4317 * Makefile.in (regmove.o): Depend on except.h.
4318 * regmove.c: Include it.
4320 2001-04-12 Stan Shebs <shebs@apple.com>
4322 * objc/objc-act.c: Remove all code ifdefed with the never-used
4323 macro OBJC_INT_SELECTORS.
4324 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4325 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4327 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4329 * config/pa/quadlib.c: Add prototypes.
4331 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4333 * bitmap.h (debug_bitmap): Delete redundant prototype.
4335 * rtl.h (get_frame_size): Likewise.
4337 2001-04-12 Jim Wilson <wilson@redhat.com>
4339 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4340 to just emit an fnorm.
4342 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4344 * c-common.h (truthvalue_conversion, type_for_mode,
4345 type_for_size): Delete redundant declarations.
4347 * c-lex.h (is_class_name): Likewise.
4349 * c-tree.h (pedantic, convert, getdecls, gettags,
4350 global_bindings_p, init_decl_processing, insert_block,
4351 maybe_build_cleanup, poplevel, print_lang_decl,
4352 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4353 set_block, incomplete_type_error, build_function_call,
4354 lvalue_or_else, mark_addressable): Likewise.
4356 * expr.h (expand_tree_builtin): Likewise.
4358 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4360 * invoke.texi: Document --param max-gcse-memory.
4362 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * configure.in (errno): Check for declaration.
4365 * configure, config.in: Regenerated.
4367 * system.h (errno): Only declare if not already done.
4369 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4371 * recog.c (general_operand, immediate_operand,
4372 nonmemory_operand): Require CONST_INTs to be sign-extended
4373 values for their modes.
4375 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4377 * expmed.c (store_bit_field): Truncate CONST_INTs.
4378 (expand_mult_highpart, expand_divmod): Likewise.
4379 * expr.c (convert_modes, store_field): Likewise.
4380 * integrate.c (expand_inline_function): Use promote_mode() to
4381 determine whether to convert_modes() an argument as signed
4383 * optabs.c (expand_binop): Get CONST_INT operands
4384 sign-extended for their appropriate modes.
4385 * stmt.c (emit_case_nodes): Convert node values to the
4387 (expand_end_case): Convert minval and range to the appropriate
4389 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4390 the iteration variable.
4391 * varasm.c (immed_double_const): Don't require words to be
4392 narrower than host wide ints to properly sign-extend
4395 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4397 * sh.md (builtin_setjmp_receiver): New expander.
4399 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4401 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4402 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4403 for generating CONST_INT and CONST_DOUBLE.
4405 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4407 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4408 already sign-extended.
4409 (rs6000_emit_prologue): Make register iterator signed.
4410 (rs6000_emit_epilogue): Likewise.
4411 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4413 (movsf split, movdf split): Sign-extend CONST_INTs.
4414 (movdi splits): Likewise.
4416 2001-04-12 Kelley Cook <kelley.cook@home.com>
4418 * config-lang.in (lang_dirs): Add in zlib.
4420 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4422 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4423 operands that make it to RTL.
4425 2001-04-11 Stan Shebs <shebs@apple.com>
4427 Add Darwin (Mac OS X kernel) native support.
4428 * config.gcc (powerpc-*-darwin*): Add native bits.
4429 * config/darwin.c: New file, generic Darwin support functions.
4430 * config/darwin.h: New file, generic Darwin definitions.
4431 * config/darwin-protos.h: New file, generic Darwin prototypes.
4432 * rs6000/darwin.h: New file, Darwin for PowerPC.
4433 * rs6000/t-darwin: New file, Darwin makefile fragment.
4434 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4435 (TARGET_MACHO): Ditto.
4436 (rs6000_abi): Add ABI_DARWIN.
4437 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4438 (RS6000_SAVE_AREA): Ditto.
4439 (FP_ARG_MAX_REG): Ditto.
4440 (RETURN_ADDRESS_OFFSET): Ditto.
4441 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4443 (rs6000_emit_move): Add ABI_DARWIN cases.
4444 (print_operand): Ditto.
4445 (first_reg_to_save): Ditto.
4446 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4447 (debug_stack_info): Ditto.
4448 (rs6000_emit_prologue): Ditto.
4449 (rs6000_emit_epilogue): Ditto.
4450 (output_profiler_hook): Ditto.
4451 (output_function_profiler): Ditto.
4452 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4453 (output_mi_thunk): Add TARGET_MACHO case.
4454 (add_compiler_stub): Ditto.
4455 (output_compiler_stub): Ditto.
4456 (no_previous_def): Ditto.
4457 (output_call): Ditto.
4458 (machopic_output_stub): Ditto.
4459 (rs6000_machopic_legitimize_pic_address): Ditto.
4460 (toc_section): Ditto.
4461 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4462 (macho_high): Ditto.
4465 (load_macho_picbase): Ditto.
4466 (call): Add TARGET_MACHO case to modify function.
4467 (call_value): Ditto.
4468 (call_nonlocal_sysv): Add ABI_DARWIN case.
4469 (call_value_nonlocal_sysv): Ditto.
4470 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4472 (machopic_output_stub): Ditto.
4473 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4475 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4477 * dwarf2out.c (modified_type_die): Don't create new types here.
4478 * tree.h (get_qualified_type): New function.
4479 (build_qualified_type): Adjust comment.
4480 * tree.c (get_qualified_type): New function.
4481 (build_qualified_type): Use it.
4483 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4485 * cpp.texi (-Wtraditional): Update description.
4487 * invoke.texi (-Wtraditional): Likewise.
4489 2001-04-11 Jim Wilson <wilson@redhat.com>
4491 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4492 requires more than 64 bits of alignment.
4494 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4496 * cpplib.c (do_line): Sanity check iff enable checking.
4498 2001-04-11 Richard Henderson <rth@redhat.com>
4500 * Makefile.in (insn-recog.o): Depend on toplev.h.
4501 (insn-emit.o, doloop.o): Likewise.
4502 * genrecog.c, genemit.c: Include toplev.h in generated file.
4503 * doloop.c: Include toplev.h.
4505 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4507 * Makefile.in (gcse.o): Depend on params.h.
4508 * gcse.c: Include params.h.
4509 (gcse_main): Don't do GCSE if doing so will take inordinate
4511 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4512 * params.h (MAX_GCSE_MEMORY): New macro.
4514 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4516 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4518 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4520 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4522 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4524 * real.h (ereal_atof, real_value_truncate, target_isnan,
4525 target_isinf, target_negative, assemble_real, debug_real): Delete
4526 redundant prototypes.
4528 * Makefile.in (ifcvt.o): Depend on toplev.h.
4530 * c-semantics.c: Include expr.h.
4532 * ifcvt.c: Include toplev.h.
4534 * expr.h (rtx_equal_p): Delete prototype.
4536 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4537 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4538 eliminate_constant_term, expand_complex_abs, find_single_use,
4539 make_tree, init_expr_once, init_optabs, supports_one_only):
4542 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4543 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4544 expand_assignment, store_expr, emit_line_note_after,
4545 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4547 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4549 * sparc-protos.h: Delete redundant prototypes.
4551 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4553 * reload.c (push_reload): Add condition missed in SUBREG byte
4556 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4558 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4560 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4562 * i386.md (floatsisf_sse): Fix output template
4563 * i386.c (ix86_expand_fp_movcc)
4565 * reg-stack.c (emit_pop_insn): Handle complex modes.
4566 (move_for_stack_reg): Emit proper move mode.
4567 (subst_stack_regs_pat): Handle complex modes.
4569 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4571 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4573 2001-04-10 Richard Henderson <rth@redhat.com>
4575 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4576 (__pure_virtual, __terminate, __terminate_set_func,
4577 __default_terminate, __throw_type_match, __empty,
4578 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4579 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4580 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4581 Remove prototypes of deleted functions.
4583 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4585 * c-typeck.c (convert_arguments): -Wtraditional now activates
4586 -Wconversion warnings, except for changes in signed-ness.
4587 Detect complex<->int & int<->complex conversions as well.
4589 * invoke.texi (-Wtraditional): Document it.
4591 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4593 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4594 * flow.c (set_block_for_new_insns): Remove needless cast and
4595 properly check for unset block number.
4597 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4599 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4600 the subreg was a hard register. Pseudos are left as subregs.
4602 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4604 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4605 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4606 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4607 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4608 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4610 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4612 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4614 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4616 * output.h (set_block_num): Missed it earlier, remove deprecated
4619 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4621 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4622 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4623 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4624 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4625 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4626 (expr_killed_p): Change bb parameter from int to basic_block, pass
4627 basic_blocks instead of ints as parameters.
4628 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4629 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4630 from int to basic_block, pass basic_blocks instead of ints as parms.
4631 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4632 parameter from int to basic_block, pass basic_blocks instead of ints.
4633 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4634 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4635 pass basic_blocks instead of ints.
4636 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4637 basic_blocks instead of ints as parameters.
4638 (pre_delete): Pass basic_blocks instead of ints as parameters.
4639 (hoist_expr_reaches_here_p): Change bb parameter from int to
4640 basic_block, pass basic_blocks instead of ints.
4641 (hoist_code): Pass basic_blocks instead of ints as parameters.
4642 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4643 Change bb parameter from int to basic_block.
4644 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4645 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4646 pass basic_blocks instead of ints.
4647 (insert_store): Pass basic_blocks instead of ints as parameters.
4648 (replace_store_insn, delete_store): Change bb parameter from int to
4649 basic_block, pass basic_blocks instead of ints.
4650 (store_motion): Pass basic_blocks instead of ints as parameters.
4652 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4654 * basic-block.h (set_new_block_for_insns): New Prototype.
4655 (set_block_num): Delete prototype.
4656 * flow.c (set_block_num): Remove obsolete function.
4657 (set_block_for_new_insns): Set BB for single or multiple insns.
4658 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4659 (process_insn_end_bb): Use set_block_for_new_insns or
4660 set_block_for_insn instead of set_block_num.
4661 (pre_insert_copy_insn): Use set_block_for_new_insns.
4662 (update_ld_motion_stores): Use set_block_for_new_insns.
4663 (insert_insn_start_bb): Use set_block_for_new_insns.
4664 (replace_store_insn): Use set_block_for_new_insns.
4666 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4667 Jeff Law <law@redhat.com>
4669 * alias.c (get_addr): Externalize.
4670 (canon_true_dependence): New function. Behaves like true_dependance
4671 except it already assumes a MEM has been canonicalized.
4672 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4673 * gcse.c (struct ls_expr): Add load/store expressions structure.
4674 (modify_mem_list, canon_modify_mem_list): New variable.
4675 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4676 load motion and store motion if requested.
4677 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4678 (free_gcse_mem): Free the modify_mem_list array.
4679 (oprs_unchanged_p): Use load_killed_in_block_p.
4680 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4681 (mems_conflict_for_gcse_p): New function. Don't kill loads
4682 with stores to themselves if its in the load/store expression list.
4683 (load_killed_in_block_p): New function.
4684 (canon_list_insert): New Function.
4685 (record_last_mem_set_info): Keep a list of all instructions which
4686 can modify memory for each basic block.
4687 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4688 (oprs_not_set_p): Use load_killed_in_block_p.
4689 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4690 (expr_killed_p): Use load_killed_in_block_p.
4691 (compute_transp): Do not pessimize memory references.
4692 (pre_edge_insert): Update stores for a load motion expression.
4693 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4694 (ldst_entry): Find or create a ldst_expr structure.
4695 (free_ldst_entry): Free memory for an individual item.
4696 (free_ldst_mems): Free entire load/store expression list.
4697 (print_ldst_list): Print debug info.
4698 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4699 (enumerate_ldsts): Assign integer values to each entry in list.
4700 (first_ls_expr): First expression in the list.
4701 (next_ls_expr): Next expression in the list.
4702 (simple_mem): Check if expression qualifies for ld/st expression list.
4703 (invalidate_any_buried_refs): Remove from expression list if its
4704 used in some other way we dont understand.
4705 (compute_ld_motion_mems): Find all potential enhanced load motion
4707 (trim_ld_motion_mems): Remove any expressions which are invalid.
4708 (update_ld_motion_stores): Copy store values to registers for loads
4709 which have been moved.
4710 (regvec, st_antloc, num_store): New global statics.
4711 (reg_set_info): Marks registers as set.
4712 (store_ops_ok): Verfies registers expressions are valid in a block.
4713 (find_moveable_store): Look for moveable stores in a pattern.
4714 (compute_store_table): Find stores in a function worth moving, maybe.
4715 (load_kills_store): Check dependance of a load and store.
4716 (find_loads): Find any loads in a pattern.
4717 (store_killed_in_insn): Check if a store is killed in an insn.
4718 (store_killed_after): Check is store killed after an insn in a block.
4719 (store_killed_before): Check is store killed before an insn in a block.
4720 (build_store_vectors): Generate the antic and avail vectors.
4721 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4722 (insert_store): Add a store to an edge.
4723 (replace_store_insn): Replace a store with a SET insn.
4724 (delete_store): Delete a store insn.
4725 (free_store_memory): Free memory.
4726 (store_motion): Perform store motion.
4727 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4728 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4729 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4730 (f_options): Add gcse-lm and gcse-sm.
4732 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4734 * i386.c (expand_fp_movcc): Fix condition reversal code.
4736 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4737 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4738 (CLASS_MAX_NREGS): Use it.
4740 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4741 handle properly complex values.
4742 (CLASS_MAX_NREGS): Likewise; update comment.
4744 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4746 * ia64.c (ia64_flag_schedule_insns2): New variable.
4747 (ia64_override_options): Initialize it. Clear
4748 flag_schedule_insns_after_reload.
4749 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4751 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4753 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4754 Do not require source to match destination anymore;
4755 Add abort to the nontrivial cases that should be handled by split.
4756 (fix_trunc?fdi): Add SSE case for x86_64.
4757 (floatdi?f): Likewise.
4758 (floatdi?f_sse): New.
4759 (fix_trunc?fdi_sse): New.
4761 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4763 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4764 (DEBUG_ARANGES_END_LABEL): Ditto.
4765 (dwarfout_init): Generate length and version fields at the start
4766 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4767 after the length field.
4768 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4769 the .debug_aranges info.
4771 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4773 * i386.c (call, call_value): Make sure that resulting call_insn
4774 does have proper second operand.
4776 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4778 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4779 function. Remove include of sys/cygwin.h.
4781 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4783 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4784 (CPP_SPEC): Always search */include/w32api for header files.
4785 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4786 (LINK_SPEC): Add "cyg" to the library search prefixes.
4788 2001-04-08 Philip Blundell <philb@gnu.org>
4790 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4792 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4794 * cpperror.c (print_location): Don't special case <stdin>.
4795 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4796 WARNING, but we don't check if we're in system headers.
4797 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4798 * cpplib.c (do_warning): Warn in system headers.
4800 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4802 * mbchar.c: Include config.h first.
4804 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4806 * config.gcc: Set default for xmake_file at top, not bottom.
4807 Change places that set xmake_file to "none" to set to the
4808 empty string instead, or remove them entirely if there is no
4809 default xmake_file for this cpu_type. Remove references to
4812 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4813 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4814 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4815 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4816 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4817 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4818 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4819 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4820 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4821 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4824 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4825 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4826 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4827 config/mips/x-sysv, config/rs6000/x-aix31:
4828 Just set CLIB to -lld or -lmld, as appropriate.
4830 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4831 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4832 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4833 config/mips/x-iris, config/pa/x-pa:
4834 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4835 OTHER_FIXINCLUDES_DIRS.
4837 * config/i386/x-djgpp: Don't set LN or LN_S.
4838 * config/m88k/x-dolph: Don't define __m88k__.
4839 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4840 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4841 * config/i860/fx2800.h: No need to #undef SVR4.
4843 38 x-host fragments remain, 2 x-cpu.
4845 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4847 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4849 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4851 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4853 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4855 * configure.in: Add check for lstat.
4856 * configure, config.in: Regenerate.
4857 * cppinit.c (append_include_chain): Make empty path ".".
4858 * cpplib.c (do_line): Don't simplify #line paths.
4859 * cppfiles.c (remove_component_p): New function.
4860 (find_or_create_entry): Acknowledge stat () errors during
4861 path simplification.
4862 (handle_missing_header): Don't simplify paths.
4863 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4864 the empty path untouched. Don't leave a trailing '/'.
4866 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4868 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4869 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4871 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4873 * cppfiles.c (open_file): Fail directories silently, but
4874 with an errno of NOENT set.
4875 (read_include_file): Move the common exit code to the sole
4876 caller. Return an int indicating success or failure. Let
4877 open_file handle directories.
4878 (stack_include_file): If read_include_file fails,
4879 push a "null" buffer.
4881 2001-04-05 DJ Delorie <dj@redhat.com>
4883 * function.h (virtuals_instantiated): Declare.
4884 * function.c: (virtuals_instantiated): Make global.
4885 * calls.c (emit_library_call_value_1): Use
4886 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4887 Otherwise, use the stack pointer directly.
4889 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4891 * i386.c (x86_initialize_trampoline): New global function.
4892 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4893 (INITIALIZE_TRAMPOLINE): Move offline.
4894 * i386-protos.h (x86_initialize_trampoline): Declare.
4896 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4898 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4899 (lea_0): Rename to lea_1.
4900 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4901 (lea_general_?): Allow SImodes on TARGET_64BIT
4902 (lea_general_?_zext): New patterns.
4903 (call_1, call_1_rex64): Fix.
4905 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4907 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4909 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4911 * i386.c (function_arg): Return constm1_rtx for last argument.
4912 (ix86_expand_prologue): Update gen_call calls.
4913 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4914 * i386.md (call_pop): Likewise.
4915 (call): Second operand is VOIDmode.
4916 (call_0): Likewise; Support 64bits.
4917 (call_exp): New expander.
4918 (call_1): Get to the sync.
4919 (call_1_exp): New pattern.
4920 (call_value): Support 64bit.
4921 (call_value_exp): New pattern.
4922 (untyped_call): Update gen_call call.
4923 (call_value_pop): Disable for 64bit.
4924 (call_value_0_rex64): New pattern.
4925 (call_value_1_rex64): Likewise.
4927 2001-04-05 Bo Thorsen <bo@suse.de>
4929 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4931 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4933 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4934 satisfies ANY_QI_REG_P.
4936 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4938 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4941 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4944 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4946 * config.gcc: Remove default for xm_file. Clean up local
4947 machine type handling. Remove settings of xm_file to
4948 something that doesn't exist. In the big switch, set xm_file,
4949 don't append to it (the value before the big switch is always
4950 null). Don't force build_xm_file or host_xm_file to have a value.
4951 * configure.in: Remove default for xm_file. Do not special
4952 case $cpu/xm-$cpu.h not existing.
4953 * configure: Regenerate.
4955 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4957 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4958 when folding integer division and modulo operations.
4960 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4962 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4963 instead of DWARF2_ADDR_SIZE for EH addresses.
4964 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4967 2001-04-04 Richard Henderson <rth@redhat.com>
4969 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4970 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4971 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4973 2001-04-04 Richard Henderson <rth@redhat.com>
4975 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4976 * configure: Rebuilt.
4978 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4980 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4981 push insns to delete to it instead of deleting them.
4982 (delete_null_pointer_checks): Delete insns from delete_list after
4983 all delete_null_pointer_checks_1 passes are done.
4985 2001-04-04 Richard Henderson <rth@redhat.com>
4987 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4988 * configure: Rebuilt.
4990 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4992 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4993 * config/romp/xm-romp.h: Delete.
4995 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4997 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5000 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5002 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5003 all labels present in rtx.
5004 (try_split) Call new function for all split insns.
5006 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5008 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5009 sure the change won't be validated.
5011 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5013 * rtl.h (set_noop_p): Declare.
5014 * flow.c (set_noop_p): Move from here ...
5015 * rtlanal.c (set_noop_p): ... to here and enhance.
5016 * cse.c (delete_trivially_dead_insns): Use it.
5017 * gcse.c (hash_scan_set): Likewise.
5018 * jump.c (delete_noop_moves): Likewise.
5019 * recog.c (split_all_insns): Likewise.
5021 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5023 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5024 stack pointer via a LO_SUM. Ditto for setting a temp register
5025 used to save to the stack. Set cfa_temp when setting fp, and
5026 allow matches to cfa_temp in addition to cfa_store when saving
5027 regs. Handle POST_INC and LO_SUM register stores. Document the
5028 changes and errors in rule 12 doco.
5030 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5031 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5032 (load_reg): Move closer to epilogue code.
5033 (DO_FRAME_NOTES): Define to control the following..
5034 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5035 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5037 (hppa_expand_epilogue): Likewise.
5039 2001-04-03 Richard Henderson <rth@redhat.com>
5041 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5042 * configure: Rebuild.
5044 2001-04-03 Richard Henderson <rth@redhat.com>
5046 * rtl.h (LCT_THROW): New.
5047 * calls.c (emit_library_call_value_1): Handle it.
5048 * except.c (connect_post_landing_pads): Use it.
5050 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5052 * gansidecl.h: Delete file.
5053 * configure.in: Change all refs to gansidecl.h to use
5054 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5056 * configure: Regenerate.
5058 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5059 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5060 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5061 Don't include gansidecl.h.
5062 * intl.c, main.c, version.c, fixinc/fixlib.h,
5063 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5066 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5068 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5071 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5073 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5074 config/i386/xm-next.h, config/i386/xm-sco.h,
5075 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5076 config/m88k/xm-m88k.h: Delete.
5078 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5079 * config/romp/xm-romp.h: Don't define bcopy.
5080 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5081 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5083 * config.gcc: Remove references to deleted files.
5085 14 xm-host.h remain, 1 xm-cpu.h.
5087 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5088 David S. Miller <davem@pierdol.cobaltmicro.com>
5089 Andrew MacLeod <amacleod@redhat.com>
5091 Use byte offsets in SUBREGs instead of words.
5093 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5094 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5095 to pass new argument.
5096 (add_stored_regs): Use subreg_regno_offset function.
5097 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5099 (precompute_arguments): Use gen_lowpart_SUBREG.
5100 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5101 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5102 (simplify_set): Rework to use SUBREG_BYTE.
5103 (expand_field_assignment): Use SUBREG_BYTE.
5104 (make_extraction): Use SUBREG_BYTE.
5105 (if_then_else_cond): Use SUBREG_BYTE.
5106 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5107 (gen_lowpart_for_combine): Compute full byte offset.
5108 * cse.c (mention_regs): Use SUBREG_BYTE.
5109 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5110 (canon_hash): Use SUBREG_BYTE.
5111 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5112 (gen_lowpart_if_possible): Formatting.
5113 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5115 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5116 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5117 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5118 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5119 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5120 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5121 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5122 certain invariants about SUBREGs the compiler creates.
5123 (gen_lowpart_SUBREG): New function.
5124 (subreg_hard_regno): New function to get the final register number.
5125 (gen_lowpart_common): Use SUBREG_BYTE.
5126 (gen_imagpart): Spacing nits.
5127 (subreg_realpart_p): Use SUBREG_BYTE.
5128 (gen_highpart): Use SUBREG_BYTE.
5129 (subreg_lowpart_p): Always compute endian corrected goal offset,
5130 even at the byte level, then compare against that.
5131 (constant_subword): New function, pulled out all constant cases
5132 from operand_subword and changed second argument name to offset.
5133 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5134 and call constant_subword to do the work. Return const0_rtx if
5135 looking for a word outside of OP.
5136 (operand_subword_force): Change second arg name to offset.
5137 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5138 (store_split_bit_field): Use SUBREG_BYTE.
5139 (extract_bit_field): Use SUBREG_BYTE.
5140 (extract_split_bit_field): Use SUBREG_BYTE.
5141 (expand_shift): Use SUBREG_BYTE.
5142 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5143 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5144 * flow.c (set_noop_p): Use SUBREG_BYTE.
5145 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5146 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5147 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5149 (optimize_bit_field): Use SUBREG_BYTE.
5150 (purge_addressof_1): Use SUBREG_BYTE.
5151 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5152 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5153 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5154 * gengenrtl.c (special_rtx): Add SUBREG.
5155 * global.c (mark_reg_store): Use SUBREG_BYTE.
5156 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5157 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5158 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5159 final byte offset is congruent to subreg's mode size.
5160 (subst_constants): Use SUBREG_BYTE.
5161 (mark_stores): Use subreg_regno_offset function.
5162 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5163 function and SUBREG_BYTE.
5164 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5165 (reg_is_born): Use subreg_hard_regno.
5166 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5167 endian correction code. Don't combine subregs unless resulting
5168 offset aligns with type. Fix subreg constant extraction for DImode.
5169 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5170 (general_operand): Remove dead mode_altering_drug code.
5171 (indirect_operand): Use SUBREG_BYTE.
5172 (constrain_operands): Use subreg_regno_offset function.
5173 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5174 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5175 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5176 * regs.h (REG_SIZE): Allow target to override.
5177 (REGMODE_NATURAL_SIZE): New macro which target can override.
5178 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5179 on the entire subreg rtx.
5180 (push_reload): Use SUBREG_BYTE in comments and code.
5181 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5182 for hard registers inside subregs.
5183 (operands_match_p): Use subreg_regno_offset.
5184 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5185 containing hard regs.
5186 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5187 corrections when fixing up MEM subregs.
5188 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5189 subreg_regno_offset where appropriate.
5190 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5191 byte endian corrections when fixing up MEM subregs.
5192 (subst_reloads): When combining two subregs, make sure final
5193 offset is congruent to subreg's mode size.
5194 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5195 (refers_to_regno_for_reload_p): Use subreg_regno.
5196 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5197 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5198 correction code for memory subreg fixups.
5199 (forget_old_reload_1): Use subreg_regno_offset.
5200 (choose_reload_regs): Use subreg_regno.
5201 (emit_input_reload_insns): Use SUBREG_BYTE.
5202 (reload_combine_note_store): Use subreg_regno_offset.
5203 (move2add_note_store): Use subreg_regno_offset.
5204 * resource.c (update_live_status, mark_referenced_resources): Use
5205 subreg_regno function.
5206 (mark_set_resources): Use subreg_regno function.
5207 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5208 (subreg_regno_offset, subreg_regno): Define prototypes.
5209 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5210 (gen_lowpart_SUBREG): Add prototype.
5211 * rtl.texi (subreg): Update to reflect new byte offset representation.
5212 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5213 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5214 (reg_overlap_mentioned_p): Use subreg_regno.
5215 (replace_regs); Make sure final offset of combined subreg is
5216 congruent to size of subreg's mode.
5217 (subreg_regno_offset): New function.
5218 (subreg_regno): New function.
5219 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5220 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5221 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5222 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5223 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5224 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5225 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5226 (print_operand): Use SUBREG_BYTE.
5227 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5228 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5229 (arm_reload_out_hi): Use SUBREG_BYTE.
5230 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5231 instead of SUBREG_WORD.
5232 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5233 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5234 SUBREG creation to use byte offset.
5235 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5236 inverted load insns): Fix explicit rtl subregs to use byte
5238 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5239 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5240 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5241 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5242 to use byte offsets.
5243 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5244 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5245 offsets, also make sure it is congruent to SUBREG's mode size.
5246 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5247 unnamed ldob insn): Generate SUBREGs with byte offset.
5248 (zero_extendqihi2): SUBREG's are byte offsets.
5249 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5250 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5251 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5252 zero-extendqisi2): Generate SUBREGs with byte offset.
5253 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5254 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5255 subregs in rtl to use byte offsets.
5256 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5257 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5258 (mips_move_2words): Use subreg_regno_offset.
5259 (mips_secondary_reload_class): Use subreg_regno_offset.
5260 * config/mips/mips.md (DImode plus, minus, move, and logical op
5261 splits): Fixup explicit subregs in rtl to use byte offsets.
5262 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5263 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5264 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5265 rtl to use byte offsets.
5266 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5267 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5268 subregs to use byte offsets.
5269 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5270 Fixup explicit subregs in rtl to use byte offsets.
5271 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5272 and remove byte endian correction code.
5273 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5274 (gen_ashift_hi): Use SUBREG_BYTE.
5275 (regs_used): Use subreg_regno_offset.
5276 (machine_dependent_reorg): Use subreg_regno_offset.
5277 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5278 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5279 (movdf_i4): Subregs are byte offsets now.
5280 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5281 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5282 (REGMODE_NATURAL_SIZE): Override.
5283 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5284 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5286 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5287 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5288 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5289 it is congruent to SUBREG's mode size.
5290 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5292 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5293 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5294 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5295 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5296 * config/v850/v850.c (print_operand, output_move_double): Use
5297 subreg_regno function.
5299 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5301 * configure.in (target_subdir): Use target_alias, not target.
5302 * configure: Rebuilt.
5304 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5306 * config/sh/crti.asm: Fix typos in comments.
5308 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5310 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5311 TARGET_FAST_INDIRECT_CALLS.
5312 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5314 (return_addr_rtx): Short circuit export stub matching when
5315 TARGET_NO_SPACE_REGS.
5316 (output_millicode_call): For out of range calls, make -fPIC
5317 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5318 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5319 * pa.md: Modify length attr calculation of all millicode insns to
5322 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5324 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5325 Require at least 2.11 in the version test. Specifically check
5326 for and reject GAS version 2.10.90.
5327 * configure: regenerate.
5329 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5331 * pa.c (override_options): Remove PIC profiling warning.
5332 (hp_profile_labelno): Delete.
5333 (hp_profile_label_rtx): Delete.
5334 (hp_profile_label_name): Delete.
5335 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5336 (output_function_prologue): Remove profiling code and all tests on
5337 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5338 merge_sp_adjust_with_store can work for PIC and profiling.
5339 (hppa_expand_epilogue): Remove profile_flag test.
5340 (hppa_can_use_return_insn_p): Likewise.
5341 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5342 cater for PROFILE_HOOK.
5343 (hppa_profile_hook): New function.
5344 * pa.h (FUNCTION_PROFILER): Now does nothing.
5345 (PROFILE_HOOK): Define.
5346 (hppa_profile_hook): Declare.
5347 (PROFILE_BEFORE_PROLOGUE): Delete.
5348 (ASM_OUTPUT_REG_PUSH): Delete.
5349 (ASM_OUTPUT_REG_POP): Delete.
5350 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5351 r24. Accept function name operand, and use this and a locally
5352 generated label to calculate pc-rel offset to func start.
5354 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5356 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5357 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5360 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5362 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5363 LO_SUM cases to where they belong.
5365 2001-04-02 Richard Henderson <rth@redhat.com>
5367 * except.h (lang_eh_type_covers): Mark extern.
5368 (lang_eh_runtime_type): Likewise.
5370 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5372 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5373 gengenrtl.c: Wrap generated header in multiple-include guard.
5374 Improve error checking.
5376 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5378 * configure.in: Don't check for putenv.
5379 * configure: Regenerate.
5380 * gcc.c (putenv): Don't define.
5381 * vax/xm-vms.h: Handle putenv.
5383 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5385 * ifcvt.c (noce_emit_move_insn): New.
5386 (noce_try_store_flag, noce_try_store_flag_constants,
5387 noce_try_store_flag_inc, noce_try_store_flag_mask,
5388 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5389 noce_try_abs): Use it.
5390 (noce_process_if_block): Likewise.
5391 For STRICT_LOW_PART, take mode from its SUBREG.
5393 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5395 * fold-const.c (fold): Before optimizing unsigned comparison with
5396 0x7fffffffU, make sure arg0 is integral type.
5398 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5400 * c-tree.texi: Document representation of wide strings.
5402 2001-04-01 Richard Henderson <rth@redhat.com>
5404 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5406 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5408 * i386.md: remove obsoleted comments.
5409 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5410 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5411 fix output template.
5413 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5415 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5417 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5419 * loop.c (load_mems): When generating a load from a pseudo, update
5422 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5424 * i386.c (ix86_split_long_move): Use change address to compensate
5425 stack pointer change in push instruction.
5427 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5429 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5430 instead of rtx_equal_p; fix the output template.
5432 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5434 * i386.c (ix86_expand_setcc): Support 64bit.
5435 (ix86_expand_int_movcc): Likewise.
5436 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5439 * i386.md (allocate_stack_worker): Turn to expander.
5440 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5442 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5444 2001-03-29 Richard Henderson <rth@redhat.com>
5446 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5448 2001-03-28 Matthew Hiller <hiller@redhat.com>
5450 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5453 * MAINTAINERS: Added self.
5455 2001-03-28 Richard Henderson <rth@redhat.com>
5457 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5458 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5460 2001-03-28 Jim Wilson <wilson@redhat.com>
5462 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5465 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5467 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5469 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5472 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5474 2001-03-28 DJ Delorie <dj@redhat.com>
5476 * Makefile.in (stage1_build): Revert CFLAGS patch.
5478 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5480 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5481 when multiplier or multiplicand is zero.
5483 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5485 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5487 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5489 (set_src_needs_barrier): Likewise.
5490 (rtx_needs_barrier): For SET case, use these two functions. Rework
5491 PARALLEL case to handle all inputs before all outputs.
5492 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5493 saw a label and no stop bit since then.
5494 (maybe_rotate, process_epilogue): Add prototypes.
5496 2001-03-28 Richard Henderson <rth@redhat.com>
5498 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5499 not TARGET_TOC for special toc restore handling.
5500 * config/rs6000/rs6000.md (eh_return): Likewise.
5502 2001-03-28 Richard Henderson <rth@redhat.com>
5504 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5505 current_function_calls_eh_return.
5506 (output_function_epilogue): Handle eh_return.
5507 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5508 (EH_RETURN_DATA_REGNO): New.
5509 (EH_RETURN_STACKADJ_RTX): New.
5510 (EH_RETURN_HANDLER_RTX): New.
5511 * config/sparc/sparc.md (call/short branch peepholes): Check
5512 can_throw_internal instead of in_same_eh_region.
5514 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5515 for eh_return data registers.
5516 (rs6000_emit_prologue): Save eh_return data registers.
5517 (rs6000_emit_epilogue): Force inline restores if eh_return.
5518 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5519 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5520 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5521 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5522 the target uses one.
5523 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5524 (return_eh_si, return_eh_di): Remove.
5525 (eh_return): New, from corpse of eh_epilogue.
5526 (eh_set_lr_si, eh_set_lr_di): New.
5528 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5529 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5530 True for pic register if current_function_calls_eh_return.
5531 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5532 Handle eh_return requirements.
5533 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5534 (EH_RETURN_STACKADJ_RTX): New.
5535 * config/i386/i386.md (exception_receiver): Remove.
5536 (eh_return, eh_return_1): New.
5537 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5539 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5540 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5541 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5542 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5543 (EH_RETURN_DATA_REGNO): New.
5544 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5545 * config/alpha/alpha.md (eh_epilogue): Remove.
5546 (exception_receiver): Use $26 for ldgp input.
5547 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5549 2001-03-28 Richard Henderson <rth@redhat.com>
5551 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5552 * except.h: Likewise.
5554 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5555 (LIB2ADDEHDEP): New.
5556 (LIB2FUNCS_EH): Remove.
5557 (LIB2ADD): Remove LIB2ADDEH.
5558 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5559 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5560 (crt{begin,end}[S].o): Likewise.
5561 (except.o): Update includes.
5562 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5563 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5565 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5566 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5567 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5568 * builtins.c (expand_builtin): Implement it.
5569 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5570 * c-common.c (c_common_nodes_and_builtins): Declare it.
5571 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5572 * calls.c (libfunc_nothrow): Remove.
5573 (emit_library_call_value_1): Don't call it.
5574 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5575 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5576 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5577 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5578 (current_funcdef_number): Globalize.
5579 (output_call_frame_info): Emit frame data if an lsda is needed.
5580 Generate augmentation for personality routine. Don't play with
5582 (dwarf2out_begin_prologue): Record funcdef_number.
5583 * dwarf2out.h (current_funcdef_number): Declare.
5584 * expr.c (expand_expr): Update for except.h name changes.
5585 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5586 * expr.h (LTI_throw, LTI_rethrow): Remove.
5587 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5588 (LTI_eh_rtime_match): Remove.
5589 (LTI_unwind_resume, LTI_eh_personality): Add.
5590 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5591 * final.c (final): Don't call check_exception_handler_labels,
5592 init_insn_eh_region, or free_insn_eh_region.
5593 (final_scan_insn): Always emit debug labels for
5594 NOTE_INSN_EH_REGION notes.
5595 * flags.h (flag_new_exceptions): Remove.
5596 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5597 (record_active_eh_regions): Remove.
5598 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5599 Use can_throw_internal.
5600 (find_basic_blocks_1): Likewise.
5601 (move_stray_eh_region_notes): Remove.
5602 (find_label_refs): No eh_return_stub_label.
5603 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5604 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5606 (delete_unreachable_blocks): Don't track deleted handlers.
5607 (flow_delete_block): Use maybe_remove_eh_handler.
5608 (delete_eh_regions): Remove.
5609 (merge_blocks): Don't check for eh region match.
5610 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5611 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5612 (init_propagate_block_info): Disable dead frame store optimization
5613 when current_function_calls_eh_return.
5614 (dump_bb): Don't print eh_beg, eh_end.
5615 * function.c (fixup_var_refs): No catch_clauses.
5616 (expand_function_end): Likewise. Call expand_eh_return before
5617 the return register use. Call sjlj_emit_function_exit_after.
5618 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5619 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5620 * ifcvt.c (dead_or_predicable): Remove eh region check.
5621 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5622 Don't check for EH vs parameters.
5623 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5624 (expand_inline_function): Call duplicate_eh_regions.
5625 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5626 (copy_insn_notes): Remap REG_EH_REGION notes.
5627 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5628 * integrate.h (struct inline_remap): Add local_return_label.
5629 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5630 check_exception_handler_labels, nor exception_optimize.
5631 (find_cross_jump): No EH region check.
5632 * optabs.c (init_optabs): Update for changed eh libfuncs.
5633 * rtl.def (RESX): New.
5634 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5635 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5636 checks. Update for except.h name changes.
5637 (expand_cleanups): Likewise.
5638 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5639 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5640 (compile_file): Call init_eh before init_optabs. Don't
5641 output_exception_table here.
5642 (rest_of_compilation): Call convert_from_eh_region_ranges,
5643 convert_to_eh_region_ranges, output_function_exception_table.
5644 Don't emit_eh_context.
5645 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5646 (EXC_PTR_EXPR): New.
5648 * md.texi (eh_epilogue): Remove.
5649 (eh_return): Document.
5650 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5651 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5653 * eh-common.h: Remove file.
5654 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5655 * libgcc2.c (L_eh): Remove.
5657 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5658 * unwind-dw2-fde.h: New file.
5659 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5660 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5661 * libgcc-std.ver: Update for eh symbols.
5663 2001-03-27 Richard Henderson <rth@redhat.com>
5665 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5666 reduce false positives.
5667 (regmove_optimize): Disable if flag_non_call_exceptions.
5669 * stmt.c (expand_return): Remove always true predicate.
5670 (expand_decl_cleanup_no_eh): Remove dead code.
5672 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5673 barrier code. Add a scheduling barrier if a non-call insn
5674 can throw internally.
5676 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5677 Auto-inc addresses trap only if their base register does.
5679 * except.c (can_throw_internal): Rename from can_throw.
5680 * except.h, resource.c: Update references.
5682 * integrate.c (copy_insn_list): Use returnjump_p.
5683 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5685 * function.h (struct function): Move all boolean valued fields
5686 to single bit fields at the end of the struct.
5688 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5690 Rename asynchronous_exceptions to flag_non_call_exceptions.
5692 * gthr-single.h (UNUSED): New. Distinguish between how C
5693 and C++ mark unused function arguments. Use throughout.
5695 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5696 value to target configuration header.
5697 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5698 * config.in, configure: Rebuild.
5699 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5700 configuration and target defines.
5701 (exceptions_via_longjmp): Remove.
5702 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5703 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5705 * except.h (flag_non_call_exceptions): Move ...
5706 * flags.h: ... here.
5708 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5709 exceptions, put the note on the trapping instruction.
5711 * flags.h (flag_new_exceptions): Remove.
5712 * toplev.c: Don't set it.
5713 * final.c: Don't check it.
5714 * except.c: Provide stub definition.
5716 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5717 (calculate_global_regs_live): Kill call-clobbered registers
5718 across exception edges.
5719 * reg-stack.c (convert_regs_1): Kill the entire target stack
5720 across non-call exception edges.
5722 * flow.c (cleanup_cfg): Take no argument.
5723 * output.h, sibcall.c, toplev.c: Update all calls.
5725 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5727 * configure.in: Don't check for bcopy.
5728 * configure, config.in: Regenerate.
5730 * system.h: Don't define or prototype bcopy, instead poison it.
5732 2001-03-27 Richard Henderson <rth@redhat.com>
5734 * function.c (expand_function_start): Set DECL_REGISTER on
5735 a pseudo used for DECL_RESULT.
5737 * rtl.h (LCT_NORETURN): New.
5738 * calls.c (emit_library_call_value_1): Handle it.
5740 2001-03-27 Stan Shebs <shebs@apple.com>
5742 * objc/objc-act.c (objc_init): Use dump_base_name.
5743 (gen_declaration): Clear the buffer arg.
5744 (gen_declaration_1): New function, body of gen_declaration.
5745 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5746 (gen_method_decl): Ditto, plus always clear buffer arg.
5747 (error_with_ivar): Simplify.
5748 (warn_with_method): Ditto.
5749 (build_message_expr): Don't clear buffers.
5750 (dump_interface): Ditto.
5751 (objc_debug): Ditto.
5752 (build_keyword_selector): Clear the buffer by only zeroing
5754 (objc_implementation_context): Declare.
5755 (start_class): Warn about missing @end.
5756 (finish_objc): Ditto.
5758 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5760 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5762 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5764 * Makefile.in (SYSTEM_H): Define.
5765 Depend on $(SYSTEM_H), not system.h.
5767 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5769 2001-03-27 Jim Wilson <wilson@redhat.com>
5771 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5773 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5774 (process_epilogue): New static function.
5775 (process_set): Call process_epilogue instead of emitting .restore
5777 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5779 * flow.c (struct reg_cond_life_info): New fields orig_condition
5781 (init_propagate_block_info): Set new fields.
5782 (mark_regno_cond_dead): Set and use new fields.
5783 (flush_reg_cond_reg_1): Likewise.
5784 (and_reg_cond, case AND): Check for redundant AND conditions.
5785 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5788 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5790 * cppmacro.c (stringify_arg): Null terminate strings.
5792 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5794 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5795 inclusion style. xm-m68hc11.h no longer exists.
5796 * config/m68hc11/xm-m68hc11.h: Delete file.
5797 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5799 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5800 Don't define GCC_VERSION, N_, or PARAMS; don't include
5801 gansidecl.h or stdio.h. Define inhibit_libc here.
5802 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5803 Delete code conditioned on #if GCC_VERSION == 2095.
5805 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5806 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5807 Delete code conditioned on #if GCC_VERSION == 2095.
5809 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5811 * system.h: Include symcat.h.
5812 (STRINGIFY): Don't define.
5814 * configure.in: Adjust comment.
5816 * builtins.c: Use STRINGX, not STRINGIFY.
5817 * gencheck.c: Likewise.
5818 * gengenrtl.c: Likewise.
5819 * protoize.c: Likewise.
5821 * cpplex.c: Don't include symcat.h.
5822 * cpplib.c: Likewise.
5824 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5826 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5828 * c-typeck.c (digest_init): Fold init expression.
5830 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5832 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5834 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5836 * except.c (eh_regs): Save results of build_pointer_type to a temp
5837 as FUNCTION_VALUE macro may evaluate its args multiple times.
5839 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5841 * c-common.h (DECL_NUM_STMTS): New macro.
5842 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5844 (pushdecl): Likewise.
5845 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5846 * integrate.c (expand_inline_function): Don't check
5848 * print-tree.c (print_node): Don't print it.
5849 * toplev.c (rest_of_compilation): Don't try to inline when
5850 flag_no_inline is on.
5851 * tree.h (DECL_FRAME_SIZE): Remove.
5852 (tree_decl): Adjust accordingly.
5854 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5856 * combine.c (try_combine): Use memcpy, not bcopy.
5858 * genattrtab.c (expand_units): Likewise.
5860 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5862 * i386.md (push mem DI peep2): New.
5863 (mov 0, mov -1 peep2): Handle 64bit.
5864 (lea to arithmetics peep2): Handle 64bit leas.
5865 (rsp arithmetics to push/pop peep2s): New.
5867 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5869 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5871 * i386.c (struct machine_function): Add save_varrargs_registers.
5872 (ix86_save_varrargs_registers): New macro.
5873 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5874 (ix86_expand_prologue): Likewise.
5875 (ix86_emit_epilogue_esp_adjustement): Likewise.
5876 (ix86_expand_epilogue): Likewise.
5877 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5878 (pro_epilogue_adjust_stack_1): New insn.
5879 (pro_epilogue_adjust_stack_rex64): Likewise.
5880 * i386.h (MASK_NO_RED_ZONE): New constant.
5881 (TARGET_RED_ZONE): New macro.
5882 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5883 (RED_ZONE_SIZE): New constant.
5884 (RED_ZONE_RESERVE): New constant.
5886 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5888 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5890 2001-03-25 Kazu Hirata <kazu@hxi.com>
5892 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5895 (umodhi3): Likewise.
5898 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5900 * mkconfig.sh (DEFINES): Handle entries with '='.
5902 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5903 Set xm_defines to MACRO=value instead.
5905 * i370/xm-mvs.h: Delete.
5907 * ns32k/xm-pc532-min.h: Likewise.
5909 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5911 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5913 use ix86_expand_binary_operator
5914 (?sh??i_?): Disable for 64bit.
5915 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5916 * i386.c (shiftdi_operand): New predicate.
5918 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5919 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5920 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5921 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5922 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5923 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5924 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5925 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5926 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5927 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5928 (rotldi3, rotrdi3): New expanders.
5930 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5932 * i386.md (movstrsi): Move offline.
5934 (strmovdi_rex64): New.
5935 (strmov?i): Accept 64bit.
5936 (strmov?i_rex64): New.
5937 (strmov?i_rex_1): New.
5938 (strmov?i_1): Disable for 64bit.
5939 (rep_mov?i_rex64): New.
5940 (rep_mov?i): Disable for 64bit.
5941 (clrstrsi): Move offline.
5942 (strset?i_rex64): New.
5943 (strset?i: Accept 64bit.
5944 (rep_stos?i): Disable for 64bit.
5945 (rep_stos?i_rex64): New.
5946 (strset?i_rex_1): New.
5947 (strset?i_1): Disable for 64bit.
5948 (cmpstrsi): Accept 64bit.
5949 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5950 (cmpstrqi_nz_rex_1): New.
5951 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5952 (strlensi): Move offline.
5954 (strlenqi_1): Disable for 64bit; fix constraints.
5955 (strlenqi_rex_1): New.
5956 * i386.c (ix86_adjust_counter): New static function.
5957 (ix86_zero_extend_to_Pmode): Likewise.
5958 (ix86_expand_aligntest): Likweise.
5959 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5960 (ix86_expand_movstr): New global function.
5961 (ix86_expand_clrstr): New global function.
5962 (ix86_expand_strlen): New global function.
5963 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5964 ix86_expand_strlen): Declare.
5965 (ix86_expand_strlensi_unroll_1): Delete.
5967 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5969 * i386.md (cmpdi): Fix operand predicates.
5970 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5971 cmpdi_1_insn_rex64): New patterns.
5972 (adddi3): Turn to expander.
5973 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5974 (addsi3_carry_zext): New pattern.
5975 (adddi_?_rex64): New patterns and splitters.
5976 (addsi_?_zext): New patterns.
5977 (subsi3_carry_zext): New pattern.
5978 (subdi_?_rex64): New patterns and splitters.
5979 (iorsi_?_zext): New patterns.
5980 (iordi_?_rex64): New patterns and splitters.
5981 (iorsi_?_zext): New patterns.
5982 (iorsi_?_zext_imm): New patterns.
5983 (xorsi_?_zext): New patterns.
5984 (xordi_?_rex64): New patterns and splitters.
5985 (xorsi_?_zext): New patterns.
5986 (negdi*): New patterns.
5987 (one_cmpldi*): Likewise.
5988 (one_cmplsi*_zext, negsi*_zext): Likewise.
5989 (testqi_ext_3_rex64): New pattern.
5991 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5993 * i386-protos.h (ix86_split_long_move): Return void.
5994 * i386.c (ix86_split_to_parts): Handle 64bit target.
5995 (ix86_split_long_move): Likewise.
5996 * i386.md (all calls to ix86_split_long_move): Update.
5998 2001-03-23 Richard Henderson <rth@redhat.com>
6000 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6001 to avoid shadowing arguments.
6003 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6005 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6006 to variable names where DECL_NAME is different from
6007 DECL_ASSEMBLER_NAME.
6009 2001-03-23 Jim Wilson <wilson@redhat.com>
6011 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6012 (assemble_alias): Call make_decl_rtl.
6014 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6016 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6018 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6020 * extend.texi: Document the "java_interface" attribute.
6022 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6024 * mkconfig.sh: Use a subshell with redirected stdout,
6025 instead of closing stdout and confusing commands that run
6026 afterward. Throw away output of cmp.
6028 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6030 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6032 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6034 * i386.md (zero_extendsidi2_32): Break out from ...
6035 (zero_extendsidi2): ... here ; turn to expander.
6036 (zero_extendsidi2_rex64): New.
6037 (extendsidi2_32): Break out from ...
6038 (extendsidi2): ... here ; turn to expander.
6039 (extendsidi2_rex64): New.
6040 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6041 (trunc?f?f splitters): Add 64bit versions.
6043 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6045 * i386.md (pushsi, pushsi2_prologue): Disable.
6046 (pushsi2_rex64): New.
6047 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6048 (movqi_ext_1): Disable for 64bit.
6049 (movqi_ext_1_rex64): New.
6050 (pushdi2_rex64): New pattern, peep2s and splitter.
6051 (pushdi2_prologue_rex64): New pattern.
6052 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6054 (movdi splitters): Disable for 64bit.
6055 (movdi_1_rex64): New pattern, peep2s and splitters.
6056 (swapdi): New pattern.
6057 (pushsf): Disable for 64bit.
6058 (pushsf_rex64): New pattern and splitter.
6059 (pushdf_nointeger): Disable for 64bit.
6060 (pushdf_integer): Handle the 64bit case.
6061 (pushtf): Likewise; update splitters.
6063 2001-03-22 Richard Henderson <rth@redhat.com>
6065 * mkconfig.sh: Include insn-flags.h.
6066 * Makefile.in (CONFIG_H): Include insn-flags.h.
6067 (lots of objects): Remove insn-codes.h and insn-flags.h.
6069 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6070 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6071 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6072 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6073 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6074 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6075 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6076 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6077 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6078 v850/v850.c, vax/vax.c:
6079 Don't include insn-flags.h.
6081 * diagnostic.c, expr.h, reload.c, toplev.c:
6082 Don't include insn-codes.h.
6084 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6085 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6086 c4x/c4x.c, i960/i960.c, mips/mips.c:
6087 Don't include insn-codes.h or insn-flags.h.
6089 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6090 or insn-flags.h in the generated code.
6091 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6092 (main): Forward declare struct rtx_def.
6094 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6096 * invoke.texi (-ffast-math): Remove duplicate line about
6099 * gcc.texi: Remove more obsolete documentation of bugs and
6100 installation problems.
6102 2001-03-21 Kazu Hirata <kazu@hxi.com>
6104 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6107 2001-03-20 Jason Merrill <jason@redhat.com>
6109 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6111 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6112 * varasm.c (CHKR_PREFIX): Likewise.
6114 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6116 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6117 is part of a multi-SET insn.
6119 * cse.c (find_comparison_args): Remove previous change.
6120 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6123 * config/i386/i386.md (conditional_trap): Remove warning.
6125 * recog.c (push_operand): Fix error in last change that caused
6126 undefined symbol on many targets.
6128 * sdbout.c: #include ggc.h.
6129 (sdbout_init): Move to end of file.
6130 Call ggc_add_tree_root for anonymous_types.
6131 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6132 (sdbout_one_type): Use DECL_NAME for field name.
6133 * Makefile.in (sdbout.o): Show includes ggc.h.
6135 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6137 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6138 (override_options): Use properlimits for preferred_stack_boundary.
6139 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6141 (ext_register_operand): Accept DImode.
6142 (load_pic_register): Abort on 64bit.
6143 (gen_push): Use Pmode instead of SImode.
6144 (ix86_save_reg): Pic reg is never used on 64bit.
6145 (ix86_expand_prologue): Likewise.
6146 (ix86_emit_save_regs): Use Pmode instead of SImode.
6147 (legitimate_address_p): Check displacement for 64bit.
6148 (print_operand): Avoid outputting of (%rip) on 64bit.
6149 (print_operand_address): Output (%rip) where possible.
6150 (split_di): Abort on 64bit registers.
6151 (ix86_expand_branch): DImode comparison is simple for x86_64.
6152 (memory_address_length): Recognize memory addresses formed using
6154 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6156 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6158 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6160 * recog.c (push_operand): Recognize new format of push instructions.
6162 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6164 * i386.md (pushqi1): New.
6165 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6166 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6167 x86_64_immediate_operand, x86_64_immediate_operand,
6168 x86_64_zext_immediate_operand): Declare.
6169 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6170 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6171 x86_64_immediate_operand, x86_64_immediate_operand,
6172 x86_64_zext_immediate_operand): define.
6173 * i386.h (PREDICATE_CODES): Add new predicates.
6175 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6177 * i386.md (pophi1, popqi1, pushqi1): Remove.
6179 * expr.c (emit_single_push_insn): New function.
6180 (move_by_pieces): Accept NULL as destination for push instructions.
6181 (gen_push_operand): Kill.
6182 (emit_push_insn): Pass NULL when pushing; avoid updating of
6183 stack_pointer_delta.
6184 * expr.h (gen_push_operand): Kill.
6186 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6188 * rtl.texi (COMPARE): Clarify documentation and reference section
6191 2001-03-20 Stan Shebs <shebs@apple.com>
6193 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6194 (get_object_reference): Ditto.
6195 (error_with_ivar): Use error_with_file_and_line.
6196 (warn_with_method): Use warning_with_file_and_line.
6198 2001-03-20 Tom Tromey <tromey@redhat.com>
6200 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6202 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6204 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6205 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6207 2001-03-20 DJ Delorie <dj@redhat.com>
6209 * Makefile.in (install-libgcc): Pass complete list of variables.
6210 (install-multilib): Ditto.
6212 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6214 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6215 drectve_section, switch_to_section.
6217 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6218 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6219 i386_pe_mark_dllimport.
6221 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6223 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6224 functions i386_pe_*.
6226 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6227 i386_pe_* functions with char * arguments.
6229 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6231 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6233 (movsi_ie): Introduce fpul store.
6235 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6237 * Makefile.in (OBJS): Remove hashtab.o.
6239 2001-03-19 Stan Shebs <shebs@apple.com>
6241 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6242 * c-lang.c (maybe_objc_method_name): Ditto.
6243 * c-tree.h (maybe_objc_method_name): Remove decl.
6245 2001-03-19 Tom Tromey <tromey@redhat.com>
6247 * gcc.c (init_gcc_specs): Fix comment.
6249 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6251 Compute DECL_ASSEMBLER_NAME lazily.
6252 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6253 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6254 (SET_DECL_ASSEMBLER_NAME): Likewise.
6255 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6256 (set_decl_assembler_name): Declare.
6257 (lang_set_decl_assembler_name): Likewise.
6258 * tree.c (lang_set_decl_assembler_name): New variab.e
6259 (set_decl_assembler_name): New function.
6260 (init_obstacks): Set lang_set_decl_assembler_name.
6261 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6262 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6263 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6264 where it's not necessary.
6265 (builtin_function): Likewise.
6266 (finish_decl): Likewise.
6267 * dbxout.c (dbxout_type_methods): Likewise.
6268 * ggc-common.c (ggc_mark_trees): Likewise.
6269 * profile.c (output_func_start_profiler): Likewise.
6270 * varasm.c (make_decl_rtl): Likewise.
6272 * cse.c (find_comparison_args): Update documentation. Fix
6273 mishandling of COMPARE operations.
6275 * tree.def (ABS_EXPR): Add documentation.
6276 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6278 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6280 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6282 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6284 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6285 Remove ia32 linux PIC kludge and move it...
6286 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6288 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6290 * i386.md (absdf2 expander): Fix 64bit case.
6292 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6294 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6296 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6298 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6300 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6302 * README.X11: Remove obsolete file.
6304 2001-03-18 Anthony Green <green@redhat.com>
6306 * config/pj/pj.h: Remove some trailing commas.
6307 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6309 2001-03-18 Richard Henderson <rth@redhat.com>
6311 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6312 * calls.c: ... here.
6313 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6314 defaults for them here.
6316 2001-03-17 Anthony Green <green@redhat.com>
6318 * config/pj/lib1funcs.S: Fix broken comment.
6319 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6322 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6324 * gcc.texi: Remove obsolete information relating to build and
6325 installation problems with enquire or the Pyramid C compiler.
6327 2001-03-17 Richard Henderson <rth@redhat.com>
6329 * dwarf2out.c (queue_reg_save): New.
6330 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6331 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6333 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6334 (cfa, cfa_store, cfa_temp): Make static.
6335 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6337 2001-03-17 Richard Henderson <rth@redhat.com>
6339 * integrate.h (struct inline_remap): Add local_return_label.
6340 * integrate.c (expand_inline_function): Initialize it and emit
6341 it after copy_insn_notes.
6342 (copy_insn_list): Don't store local_return_label here.
6343 (copy_insn_notes): New function split out from copy_insn_list.
6345 2001-03-17 Richard Henderson <rth@redhat.com>
6347 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6348 is generating .debug_line.
6349 (dwarf2out_init): Add main_input_filename to the file table first.
6350 * configure.in (as_dwarf2_debug_line): Test with file number 1
6351 instead of file number 0.
6353 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6355 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6356 (gen_rtx_combine): Deleted; all references changed as appropriate.
6357 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6359 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6361 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6363 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6366 2001-03-16 Jim Wilson <wilson@redhat.com>
6368 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6369 then set it to LOC_REG (79) instead of aborting.
6371 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6373 * gccbug.in: Remove high priority.
6375 2001-03-16 Richard Henerson <rth@redhat.com>
6377 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6378 output with a space instead of deleting it.
6379 * configure: Regenerate.
6381 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6383 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6384 handles the gory details of converting an object file into
6385 something that's safe to grep.
6386 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6387 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6388 newlines at either end of the string we're looking for.
6389 Make 'checking ...' message less stilted.
6390 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6391 ARM in-memory layout and its hypothetical converse. Don't
6392 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6393 HOST_WORDS_BIG_ENDIAN.
6395 * configure.in: Adjust for renamed macro. Move
6396 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6397 * configure, config.in: Regenerate.
6399 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6401 * fixinc/Makefile.in: Set SHELL.
6403 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6405 * fixinc/fixincl.c (fix_with_system): Quote file names before
6406 passing them to shell.
6408 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6410 * Makefile.in: Use fix-header$(build_exeext) instead
6413 2001-03-16 Richard Henderson <rth@redhat.com>
6415 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6416 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6417 (size_of_line_prolog): Remove.
6418 (output_line_info): Compute prologue size via label difference.
6419 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6421 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6422 assembler error when redefining file numbers.
6423 * config.in, configure: Rebuild.
6425 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6426 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6427 (dw2_asm_output_delta_uleb128): Likewise.
6428 (dw2_asm_output_delta_sleb128): Similarly.
6429 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6431 2001-03-16 Michael Meissner <meissner@redhat.com>
6433 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6435 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6437 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6439 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6440 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6441 being unsigned in ISO C and signed in traditional.
6442 (expand_prologue): Ditto.
6443 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6445 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6447 (divsi3,divdi3): Ditto.
6448 (modsi3,moddi3): Ditto.
6449 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6450 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6451 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6454 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6456 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6457 SSE based conditional moves on LTGT/UNEQ conditions;
6458 Canonicalize EQ to NE.
6459 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6460 (sse_mov?fcc_ne): New.
6462 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6464 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6466 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6467 register may be dead.
6469 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6471 * Makefile.in (hash.o): Depend on CONFIG_H.
6473 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6475 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6477 2001-03-15 Richard Henderson <rth@redhat.com>
6479 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6480 (ASM_OUTPUT_DWARF_PCREL): New.
6481 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6483 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6485 * cppfiles.c (stack_include_file): Use MAX of sysp.
6487 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6489 * config.gcc (ia64*-*-hpux*): New case.
6490 * config/ia64/hpux.h: New file for HP-UX support.
6491 * config/ia64/t-hpux: New file for HP-UX support.
6493 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6495 * fixinc/inclhack.def (irix_stdio_va_list): New.
6496 * fixinc/fixincl.x: Rebuilt.
6498 2001-03-15 Richard Henderson <rth@redhat.com>
6500 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6501 if provided by the target.
6502 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6503 (dw2_asm_output_addr): New.
6504 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6505 * dwarf2out.c (output_cfi): Use it for program addresses.
6506 (output_call_frame_info, output_die): Likewise.
6507 (output_aranges, output_line_info): Likewise.
6509 2001-03-15 Bruce Korb <bkorb@gnu.org>
6511 * gcc.c(main): make more rigorous
6512 * collect2.c(main): guard against ignoring SIGCHLD
6513 * protoize.c(main): ditto
6514 * gcc/fixinc/fixincl.c(initialize): ditto
6516 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6518 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6519 (sdbout_parms): Likewise.
6521 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6523 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6524 "widen" a destination that is already wider than a word. Also do
6525 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6527 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6529 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6531 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6533 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6535 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6537 * i960.h (i960_maxbitalignment,
6538 i960_last_maxbitalignment): Declare.
6539 * i960.c (i960_maxbitalignment,
6540 i960_last_maxbitalignment): Make global.
6541 (process_pragma): Delete.
6542 (i960_pr_align, i960_pr_noalign): Move from here ...
6543 * i960-c.c: ... to this new file.
6544 * t-960bare (i960-c.o): New rule.
6545 * t-vxworks960 (i960-c.o): Likewise.
6546 * config.gcc (i960-*-*): Define c_target_objs and
6549 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6551 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6552 without adding in rtx code and mode.
6554 * alias.c (init_alias_analysis): Don't use any rtx whose value
6555 varies as a known value.
6556 Delete a superfluous test.
6558 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6560 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6561 scheduling a stop bit.
6562 (ia64_emit_nops): Correctly handle ASMs.
6564 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6566 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6568 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6570 * cpp.texi: Update documentation for -include and -imacros.
6571 * cppfiles.c (struct include_file): Remove "defined" memeber.
6572 (find_or_create_entry): Make a copy of the file name, and
6574 (open_file): Update to ensure we use the simplified filename.
6575 (stack_include_file): Don't set search_from.
6576 (cpp_included): Don't simplify the path name here.
6577 (find_include_file): New prototype. Call search_from to
6578 get the start of the "" include chain. Don't simplify the
6580 (_cpp_execute_include): New prototype. Move diagnostics to
6581 do_include_common. Update.
6582 (_cpp_pop_file_buffer): Don't set defined.
6583 (search_from): New prototype. Use the preprocessor's cwd
6584 for files included from the command line.
6585 (read_name_map): Don't simplify the pathname here.
6586 * cpphash.h (enum include_type): New.
6587 (struct buffer): Delete search from. New search_cached.
6588 (_cpp_execute_include): Update prototype.
6589 * cppinit.c (do_includes): Use _cpp_execute_include.
6590 * cpplib.c (do_include_common): New function.
6591 (do_include, do_include_next, do_import): Use it.
6593 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6595 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6596 contents of the RTL, to determine the name of the object.
6598 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6600 * tree.h (DECL_RTL): Allocate RTL lazily.
6601 (SET_DECL_RTL): New macro.
6602 (DECL_RTL_SET_P): Likewise.
6603 (COPY_DECL_RTL): Likewise.
6604 (DECL_RTL_IF_SET): Likewise.
6605 * varasm.c (make_decl_rtl): Add assertions about the kind of
6606 declaration we are processing.
6607 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6608 (start_decl): Likewise.
6609 (finish_decl): Likewise.
6610 * c-semantics.c (emit_local_var): Likewise.
6611 * calls.c (expand_call): Likewise.
6612 * dbxout.c (dbxout_symbol): Likewise.
6613 * emit-rtl.c (unshare_all_rtl): Likewise.
6614 (unshare_all_decls): Likewise.
6615 (reset_used_decls): Likewise.
6616 * expr.c (store_constructor): Likewise.
6617 (safe_from_p): Likewise.
6618 (expand_expr): Likewise.
6619 * function.c (put_var_into_stack): Likewise.
6620 (instantiate_decls_1): Likewise.
6621 (assign_parms): Likewise.
6622 (expand_function_start): Likewise.
6623 (expand_function_end): Likewise.
6624 * ggc-common.c (gcc_mark_trees): Likewise.
6625 * integrate.c (function_cannot_inline_p): Likewise.
6626 (copy_decl_for_inlining): Likewise.
6627 (expand_inline_function): Likewise.
6628 (integrate_parm_decls): Likewise.
6629 (integrate_decl_tree): Likewise.
6630 * print-tree.c (print_node): Likewise.
6631 * reg-stack.c (stack_result): Likewise.
6632 * stmt.c (label_rtx): Likewise.
6633 (expand_return): Likewise.
6634 (expand_decl): Likewise.
6635 (expand_decl_cleanup): Likewise.
6636 (expand_anon_union_decl): Likewise.
6637 * toplev.c (check_global_declarations): Likewise.
6638 (rest_of_decl_compilation): Likewise.
6639 * tree.c (simple_cst_equal): Likewise.
6640 * objc/objc-act.c (generate_static_references): Likewise.
6642 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6644 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6645 gcc_AC_C_FLOAT_FORMAT): New macros.
6646 * configure.in: Add AC_PROG_CPP after CC tests;
6647 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6648 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6649 * configure, config.in: Regenerate.
6651 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6652 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6653 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6654 config/i370/xm-linux.h, config/i370/xm-oe.h,
6655 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6656 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6657 config/pa/xm-linux.h, config/pa/xm-pa.h,
6658 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6659 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6660 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6661 config/we32k/xm-we32k.h: Delete.
6663 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6664 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6665 config/vax/xm-vms.h: Don't define any of:
6666 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6668 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6670 * config.gcc: Remove references to deleted files.
6671 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6672 FATAL_EXIT_CODE, which is the same between oe and mvs).
6674 2001-03-14 DJ Delorie <dj@redhat.com>
6675 Vladimir Makarov <vmakarov@redhat.com>
6677 * config/i960/i960.c (i960_function_prologue): Compute size of
6678 frame according to number of registers actually saved there.
6680 2001-03-14 Richard Henderson <rth@redhat.com>
6682 * expr.c (emit_move_insn_1): Fix else if around #endif.
6684 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6687 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6690 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6692 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6693 (override_options): Parse cmodel string.
6694 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6695 * i386.h (TARGET_OPTIONS): Add "cmodel".
6696 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6698 (ix86_cmodel_string, ix86_cmodel): Declare.
6700 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6703 * i386.h (GENERAL_REG_P): Add missing REG_P.
6705 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6707 * configure.in: Use $gcc_cv_as instead of $as.
6708 * configure: Regenerated.
6710 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6712 * cppfiles.c (stack_include_file): Only increase the include
6713 count if we actually process the file properly, as opposed
6714 to treating it as length zero. Only call read_include_file
6715 if not DO_NOT_REREAD. Handle the -H include file output
6717 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6718 (cpp_included, find_include_file): Simplify pathnames after
6719 remapping them. If remapping, don't use the remapped file
6720 name's buffer as our scratch buffer.
6721 (cpp_pop_file_buffer): Replace the multiple include macro
6722 only if it isn't yet set.
6723 (read_name_map): Simplify remapped names when reading in.
6724 (remap_filename): Move code to code path that uses it.
6725 (_cpp_simplify_pathname): Return the input pointer.
6726 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6728 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6730 * expr.c (expand_expr): Revove bogus conditional.
6732 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6734 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6736 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6738 * reg-stack.c (stack_result): Unconditionally use
6739 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6741 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6743 * expr.c (emit_move_insn_1): Split push of complex value when
6744 no suitable push instruction exist.
6746 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6747 instead of QI_REG_P.
6749 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6751 * alias.c (handled_component_p, can_address_p): New functions.
6752 (get_alias_set): Use them.
6754 2001-03-13 Jim Wilson <wilson@redhat.com>
6756 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6757 from 80 in try_locals code.
6758 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6760 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6762 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6763 gcc_AC_C_LONG_LONG): New.
6764 * configure.in: Use them. Probe the size of short, int, long,
6765 and long long/__int64 if we have them. Move all the AC_C_*
6766 checks together, except gcc_AC_C_CHAR_BIT which has to go
6767 after AC_CHECK_HEADERS(limits.h).
6768 Take hwint.h out of host_xm_file and build_xm_file.
6770 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6771 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6772 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6773 Move the HOST_WIDEST_INT setup logic here from system.h.
6774 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6776 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6777 is now handled by hwint.h.
6779 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6780 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6781 config/ia64/xm-ia64.h: Don't define any of:
6782 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6783 HOST_BITS_PER_LONGLONG.
6785 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6786 config/h8300/xm-h8300.h, config/mips/iris6.h,
6787 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6788 config/sparc/xm-sp64.h: Delete.
6789 * config.gcc: Remove references to deleted files.
6791 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6792 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6793 * config/i370/xm-linux.h: Clarify floating-point situation in
6796 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6798 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6799 (find_include_file): Decide here which part of the include
6800 chain to start the search. Complain about an empty include
6801 chain in all cases apart from an abolsute file name.
6802 (_cpp_execute_include): Don't choose the search chain here.
6803 Don't call handle_missing_include in the case of an empty
6805 (_cpp_compare_file_date): Don't choose the search chain here.
6806 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6807 here from _cpp_execute_include. Behave like #include if
6808 we're in the main file.
6810 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6812 * system.h (malloc, realloc, calloc, strdup): Only poison these
6813 tokens when IN_GCC is defined.
6815 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6817 * i386.md (abs?f expander): Support SSE case.
6818 (abd?f_if): Add new "USE"; add splitters.
6820 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6822 * cpp.texi (poison): Explain the macro expansion exception.
6824 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6826 * expr.c (store_expr): Add dont_store_target. If temp is already in
6827 target before copying to reg, don't store it into target again.
6829 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6831 * cppinternals.texi: Update for file handling.
6833 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6835 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6836 2001-02-24 which broke building the Java library.
6837 * function.c (identify_blocks): Likewise.
6838 (all_blocks): Likewise.
6839 * integrate.c (integrate_decl_tree): Likewise.
6840 * print-tree.c (print_node): Likewise.
6841 * tree.h (BLOCK_NUMBER): Likewise.
6842 (struct tree_block): Likewise.
6844 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6846 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6847 __WCHAR_TYPE__ definition.
6848 (WCHAR_TYPE_SIZE): #undef before #define.
6850 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6852 * cppfiles.c: Update comments.
6853 (destroy_include_file_node): Rename destroy_node.
6854 (find_or_create_entry): New function.
6855 (open_file, _cpp_fake_include): Use it.
6856 (handle_missing_header): New function, broken out of
6857 _cpp_execute include. Don't segfault if there is no
6858 system or quoted path.
6859 (_cpp_execute_include): Use handle_missing_header.
6861 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6863 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6864 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6866 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6868 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6869 unless anti_dependence says they are.
6870 * alias.c (objects_must_conflict): If neither has a type specified,
6873 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6874 David Billinghurst <David.Billinghurst@riotinto.com>
6876 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6878 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6880 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6881 (*_one_bit): Remove type on the match_operand in attributes.
6883 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6885 * i386.c: Commit forgotten hunk in previous patch.
6886 (regclass_map): Add extended registers.
6887 (dbx_register_map): Add missing frame register.
6889 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6891 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6893 * i386.md (x86_sahf_1): Disable for 64bit.
6894 (popsi*, pophi*): Likewise.
6895 (pushqi, pushhi): Likewise.
6896 (movdi, pushdi): Likewise.
6897 (zero extend DImode splitter): Likewise.
6898 (adddi, minusdi splitter): Likewise.
6899 (umulsidi): Likewise.
6901 (mulsidi): Disable for 64bit
6902 (lshift:DI/ashift:DI): Disable for 64bit.
6903 (loop patterns): Likewise.
6904 (call_pop, call_value_pop expanders and patterns): Likewise.
6905 (prologue_get_pc): Likewise.
6907 (fcmovDI pattern and splitter): Likewise.
6908 (movdfcc_1_rex64): New.
6910 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6912 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6913 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6914 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6915 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6916 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6917 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6918 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6919 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6920 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6921 (REGPARM_MAX): Set to 6 for x86_64.
6922 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6923 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6926 * (patterns that does use upper halves): Update constraints
6927 'q' to 'Q' and 'r' to 'R'.
6928 (cmpqi_ext_1): Disable for 64bit.
6929 (cmpqi_ext_3_insn): Likewise.
6930 (movqi_extzv_1): Likewsie.
6931 (addqi_ext_1): Liekwsie
6932 (testqi_ext_1): Liekwsie
6933 (andqi_ext_1): Liekwsie
6934 (xorqi_ext_1): Liekwsie
6935 (cmpqi_ext_1_rex64): New.
6936 (cmpqi_ext_3_insn_rex64): Likewise.
6937 (movqi_extzv_1_rex64): Likewsie.
6938 (addqi_ext_1_rex64): Liekwsie
6939 (testqi_ext_1_rex64): Liekwsie
6940 (andqi_ext_1_rex64): Liekwsie
6941 (xorqi_ext_1_rex64): Liekwsie
6943 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6945 * configure.in: Move check for unsigned enumerated bitfields
6946 to macro in aclocal.m4. Disable it for now.
6947 * configure, config.in: Regenerate.
6948 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6949 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6950 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6951 kind above its first use.
6953 * config/xm-interix.h, config/alpha/xm-alpha.h,
6954 config/i370/xm-linux.h, config/i386/xm-beos.h,
6955 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6956 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6957 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6958 Don't define ONLY_INT_FIELDS under any circumstances.
6960 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6962 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6963 config/sparc/xm-sysv4.h: Delete - now identical with some
6965 * config.gcc (hppa targets): Replace xm-pahpux.h and
6966 xm-papro.h with implicit xm-pa.h.
6967 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6970 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6972 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6973 before reload_cse_noop_set_p.
6975 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6977 * config.gcc: Where xm-host.h used to include another
6978 xm-host.h, list the nested header directly in xm_file. Remove
6979 references to deleted files. Can now use sparc/xm-sp64.h for
6982 * config/xm-linux.h, config/arm/xm-linux.h,
6983 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6984 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6985 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6986 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6987 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6990 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6991 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6992 bother to wrap #undef in #ifdef.
6993 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6994 Don't include xm-linux.h.
6995 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6997 * configure.in: Wrap regexps using [] in changequote block.
6998 Use expr : not echo | grep. Simplify regexps.
6999 * configure: Regenerate.
7001 56 xm-files remain, 22 xm-arch.
7003 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7005 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7006 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7007 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7008 (copy_object): Fix format specifier vs argument mismatch.
7010 * mips-tdump.c: Make local functions static.
7011 (rindex): Don't #undef.
7012 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7013 (fatal, fancy_abort): Delete.
7014 (read_seek): Avoid signed/unsigned compare.
7016 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7018 * combine.c (try_combine): Fix error in change to try original
7020 (gen_rtx_combine): Do same as gen_rtx for now.
7022 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7024 * configure.in: AC_SUBST xm_defines.
7025 * configure: Regenerate.
7026 * Makefile.in: Set DEFINES=$(xm_defines) when building
7029 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7031 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7032 (cpp_included, find_include_file): Update.
7033 (_cpp_compare_file_date): Make else unconditional.
7035 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7037 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7039 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7041 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7042 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7044 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7046 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7047 if it's a record type.
7049 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7051 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7052 mingw includes slightly.
7054 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7056 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7057 #undef token before poisoning it.
7059 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7061 * alpha.c (check_float_value): Use memcpy, not bcopy.
7063 * m32r.c (m32r_sched_reorder): Likewise.
7065 * vax.c (check_float_value): Likewise.
7067 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7069 * toplev.c (file_name_nondirectory): Remove.
7070 * toplev.h: Similarly.
7071 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7072 of file_name_nondirectory.
7074 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7076 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7077 * mips-tfile.c: Don't #undef rindex; not used.
7079 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7081 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7082 (dbx64_register_map): Declare.
7083 (RETURN_ADDR_RTX): Fix for 64bit.
7084 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7085 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7086 * i386.c (dbx64_register_map): New global array.
7087 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7088 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7091 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7093 * cppfiles.c (search_from): Use lbasename.
7094 * mkdeps.c (deps_add_default_target): Use lbasename.
7096 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7098 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7099 xcalloc in lieu of malloc, realloc & calloc.
7101 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7103 * gengenrtl.c (xmalloc): Likewise.
7105 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7106 really_call_* memory allocation routines.
7108 * stmt.c (check_for_full_enumeration_handling): Use
7109 really_call_calloc, not calloc.
7111 * system.h (really_call_malloc, really_call_calloc,
7112 really_call_realloc): Define.
7113 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7115 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7117 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7119 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7121 * configure: Rebuilt.
7122 * configure.in: Only use `lang_requires' for languages athat are
7125 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7127 * invoke.texi: Fix typo.
7128 * gcc.1: Regenerate.
7130 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7132 * configure.in: Prune nonexistent files from build_xm_file,
7133 xm_file, and host_xm_file lists. Warn unless they're
7135 Don't generate *config.h here.
7136 AC_SUBST all variables needed to generate *config.h.
7137 * configure: Regenerate.
7138 * mkconfig.sh: New helper script, from code removed from
7140 * Makefile.in: Zap all MALLOC variables - no longer used
7141 anywhere, and malloc.c doesn't exist.
7142 Substitute in variables needed to generate *config.h.
7143 Stop lying about the dependencies contained in CONFIG_H and
7145 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7146 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7147 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7148 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7149 $(TM_P_H), etc. as appropriate.
7151 * config.gcc: Zap references to deleted files.
7152 * ggc-none.c: Don't include rtl.h or tm_p.h.
7154 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7155 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7156 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7157 config/i386/xm-linux.h, config/i386/xm-linux.h,
7158 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7159 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7160 Don't include i386/xm-i386.h.
7162 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7163 config/i386/xm-i386.h, config/i860/xm-i860.h,
7164 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7165 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7166 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7167 Delete (empty except comments, #includes of other deleted
7168 files, and macros used nowhere).
7170 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7172 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7173 independent on TARGET_FLAGS.
7175 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7177 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7179 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7181 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7183 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7184 LAST_REX_SSE_REG): define.
7185 (enum reg_class): Add 'LEGACY_REGS'
7186 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7187 (SSE_REGNO_P): Recognize extended registers.
7188 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7189 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7190 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7191 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7192 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7193 REG_OK_FOR_STRREG_P): Remove.
7194 (HI_REGISTER_NAMES): Add extended registers.
7195 (ADDITIONAL_REGISTER_NAMES): Likewise.
7196 (QI_REGISTER_NAMES): Add 8bit extended registers.
7197 (DEBUG_REG): Support extended registers.
7198 * i386.c (regclass_map): Add extended registers.
7199 (dbx_register-map): Likewise.
7200 (svr4_dbx_register_map): Likewise.
7201 (print_reg): Support extended registers.
7202 (print_operand): Support 64bit operands.
7204 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7206 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7207 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7208 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7209 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7210 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7211 STACK_BOUNDARY): Set properly for 64bits.
7212 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7213 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7214 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7215 (MOVE_MAX): Set to 16.
7216 (MOVE_MAX_PIECES): 8 for 64bit.
7217 (Pmode): Set to SImode.
7219 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7221 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7223 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7225 * i386.h (mask_64bit): New constant.
7226 (target_64bit): New macro.
7227 (target_options): Add '64'/'32'
7228 (target_default): Define.
7229 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7230 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7231 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7233 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7235 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7237 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7239 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7240 LO_SUM unless for_alias is set.
7242 2001-03-08 Stan Shebs <shebs@apple.com>
7244 * objc/objc-act.c: Fix old typos in comments, add comments for
7246 (hash_init): Fix file name in error message.
7247 (hash_enter): Ditto.
7248 (hash_add_attr): Ditto.
7249 (continue_class): Ditto.
7251 2001-03-08 Bruce Korb <bkorb@gnu.org>
7253 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7254 wait4() can receive the signal.
7256 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7258 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7260 * fixinc/fixincl.x: Regenerate.
7262 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7264 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7266 * fixinc/fixincl.x: Regenerate.
7268 2001-03-08 Richard Henderson <rth@redhat.com>
7270 * configure.in (HAVE_AS_LEB128): New assembler check.
7271 * configure, config.in: Rebuilt.
7273 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7275 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7278 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7280 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7281 references to the MAXPATHLEN macro.
7283 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7284 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7287 * config/i386/xm-gnu.h, config/xm-gnu.h,
7288 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7289 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7290 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7291 and/or unused files.
7293 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7294 doing so in various xm-*.h files.
7296 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7298 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7300 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7302 * configure.in (enable_shared): Support per-package shared-library
7304 * configure: Rebuilt.
7306 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7308 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7309 for crnot. Set operands[5] in splitter.
7311 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7313 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7314 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7315 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7316 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7317 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7318 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7319 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7322 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7323 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7324 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7325 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7326 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7327 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7328 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7329 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7330 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7331 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7332 Delete unused and/or empty files.
7334 * config.gcc: Define USG in xm_defines as appropriate. Define
7335 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7336 macro. Remove deleted xm-* files from $xm_files variable.
7338 2001-03-07 Tom Tromey <tromey@redhat.com>
7340 * configure: Rebuilt.
7341 * configure.in: Allow config-lang.in to set `lang_requires' to list
7342 of other required languages.
7344 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7346 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7348 (output_prologue): Use xmalloc not oballoc.
7349 (output_epilog): Free a29k_first_epilogue_insn when finished.
7350 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7352 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7354 * builtins.c (expand_builtin_mathfn): Check
7355 flag_unsafe_math_optimizations, not flag_fast_math.
7356 (expand_builtin): Likewise
7357 * combine.c (combine_simplify_rtx): Likewise.
7358 (simplify_if_then_else): Likewise.
7359 * cse.c (fold_rtx): Likewise.
7360 * flags.h: Remove flag_fast_math. Add
7361 flag_unsafe_math_optimizations and flag_trapping_math.
7362 * fold-const.c (negate_expr): Check
7363 flag_unsafe_math_optimizations, not flag_fast_math.
7364 (invert_truthvalue): Likewise.
7365 (fold): Likewise. Before associating operands, check that
7366 code == MULT_EXPR, not code != MULT_EXPR.
7367 * ifcvt.c (noce_try_minmax): Check
7368 flag_unsafe_math_optimizations, not flag_fast_math.
7369 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7370 * invoke.texi: Document -funsafe-math-optimizations and
7371 -fno-trapping-math. Change documentation for -ffast-math.
7372 * jump.c (reversed_comparison_code_parts): Likewise.
7373 (rtx_equal_for_thread_p): Likewise.
7374 * optabs.c (emit_conditional_move): Likewise.
7375 * simplify-rtx.c (simplify_binary_operation): Likewise.
7376 (simplify_relational_operation): Likewise.
7377 (simplify_ternary_operation): Likewise.
7378 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7379 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7380 Add trapping-math and unsafe-math-optimizations entries to f_options.
7381 (set_fast_math_flags): New, sets flags for -ffast-math.
7382 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7383 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7384 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7386 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7387 (alpha_emit_conditional_move): Initialize local_fast_math to
7388 flag_unsafe_math_optimizations, not flat_fast_math.
7389 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7390 instead of setting flag_fast_math to 1.
7391 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7393 * config/i386/i386.c (override_options): Likewise
7394 * config/i386/i386.md: Likewise.
7395 * config/m68k/m68k.md: Likewise.
7396 * config/mips/mips.md: Likewise.
7397 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7398 (rs6000_generate_compare): Likewise.
7400 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7402 * Makefile.in: Set RANLIB to @RANLIB@.
7405 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7407 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7408 * fixinc/fixincl.x: Regenerated.
7410 2001-03-07 Richard Henderson <rth@redhat.com>
7412 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7414 2001-03-07 Richard Henderson <rth@redhat.com>
7416 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7417 of block notes and exception handling notes.
7419 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7420 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7421 (compile_file): ... here.
7423 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7425 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7427 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7428 config.h now. Include libiberty.h to handle alloca.
7430 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7432 * c-parse.in (yylexname): New function, split out of _yylex.
7433 (objc_rid_sans_at): New table.
7434 (init_reswords): Initialize it.
7435 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7436 retrieving the next token and checking it for significance as
7437 an ObjC keyword or string constant.
7439 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7440 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7442 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7445 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7447 * config/m68k/m68k.c (const_uint32_operand): Accept any
7448 const_int on a 32-bit host.
7450 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7452 * objc/objc-act.c (init_objc): Set save_lang_status,
7453 restore_lang_status, and mark_lang_status.
7455 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7457 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7459 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7461 * cppinternals.texi: Update.
7463 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7465 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7466 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7467 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7468 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7469 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7470 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7471 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7472 config/i386/xm-i386.h, config/i860/xm-i860.h,
7473 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7474 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7475 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7476 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7477 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7478 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7479 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7480 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7481 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7482 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7483 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7484 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7485 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7486 match the defaults provided in hwint.h.
7488 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7489 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7491 * config.gcc (xm_file): Don't set to files which are deleted.
7493 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7494 guard this file against these macros being undefined.
7496 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7498 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7499 and DECL_DEFER_OUTPUT on the decl we create, before calling
7500 rest_of_decl_compilation.
7502 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7504 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7506 * configure, config.in: Regenerate.
7507 * config.gcc: Remove references to deleted files.
7509 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7510 genrecog.c, rtl.c: Do not use alloca anywhere.
7512 * Makefile.in, build-make, system.h, config/x-interix,
7513 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7514 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7515 config/arc/xm-arc.h, config/arm/xm-arm.h,
7516 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7517 config/h8300/xm-h8300.h, config/i370/x-oe,
7518 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7519 config/i386/x-ncr3000, config/i386/x-sco5,
7520 config/i386/xm-dgux.h, config/i860/x-sysv4,
7521 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7522 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7523 config/m68k/x-hp320g, config/m69k/x-mot3300,
7524 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7525 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7526 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7527 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7528 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7529 config/mips/x-iris, config/mips/x-iris3,
7530 config/mips/x-sni-svr4, config/mips/x-sysv,
7531 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7532 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7533 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7534 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7535 config/pa/xm-papro.h, config/romp/xm-romp.h,
7536 config/rs6000/x-aix31, config/rs6000/x-aix41,
7537 config/rs6000/x-beos, config/rs6000/x-lynx,
7538 config/rs6000/x-mach, config/rs6000/x-rs6000,
7539 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7540 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7541 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7542 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7543 config/vax/xm-vms.h: Eradicate all references to alloca and
7546 * config/xm-alloca.h, config/clipper/x-clix,
7547 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7548 config/i860/x-sysv3, config/m88k/x-sysv3,
7549 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7550 (contained only alloca related hacks).
7552 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7555 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7557 * invoke.texi: Document __FAST_MATH__.
7559 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7561 * crtstuff.c: Restore include of auto-host.h.
7563 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7565 Put main() in a separate file, so that the language
7566 front-end can use a different main().
7569 * toplev.c: (main): Rename as toplev_main.
7570 * toplev.h: Declare toplev_main.
7571 * Makefile.in (OBJS): add toplev.o.
7572 (BACKEND): remove toplev.o, add main.o.
7574 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7576 * cppfiles.c (search_from): Special case the empty string.
7578 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7580 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7581 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7582 strlen or strcpy; we already know the length.
7583 (_cpp_compare_file_date): Similarly.
7584 * cpphash.h (struct cpp_reader): Delete done_initialising.
7585 (CPP_PREV_BUFFER): Delete.
7586 * cppinit.c (cpp_start_read): Don't set done_initialising.
7587 * cpplex.c (parse_string): Guarantee null-termination.
7588 (_cpp_equiv_toklists): Remove.
7589 * cpplib.c (glue_header_name): Null-terminate.
7590 (do_line): Don't leak memory.
7591 * cpplib.h (BT_WEAK): Delete.
7592 * cppmain.c (cb_ident): Strings are now null-terminated.
7594 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7596 * gcc.c (convert_filename): Append executable suffix
7597 if NO_AUTO_EXE_SUFFIX is not defined.
7598 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7599 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7601 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7603 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7604 * c-parse.gperf, c-gperf.h: Delete.
7605 (c-gperf.h was accidently re-added to the CVS repo in the rev
7606 1.16 commit by tromey)
7608 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7610 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7611 macro arguments when looking for the '('.
7612 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7613 2 when really parsing arguments; 1 when looking for '('.
7614 Always restore the lexer position.
7616 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7618 * longlong.h (umul_ppmm): Don't use a multiline string.
7620 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7622 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7623 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7624 t_bool in declaration because pcc can't combine volatile with typedef
7627 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7629 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7630 until when it is really needed.
7631 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7632 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7633 * i386.md (float?i?f splitter): Don't force source operand to memory
7635 (sse_movdfcc): Fix constraint.
7636 (sse_movdfcc splitter): Handle properly the second alternative.
7638 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7640 * cpplex.c (parse_string): Unconditionally pedwarn.
7642 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7645 * cppexp.c (parse_number): Update.
7646 * cpplex.c (parse_string): Pedwarn if multiline string does not
7647 result from a system header's macro.
7648 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7649 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7650 for function-like macros too.
7651 * c-lex.c (lex_number): Update.
7653 2001-03-03 Richard Henderson <rth@redhat.com>
7655 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7657 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7659 * combine.c (try_combine): If split with mode-changed scratch
7660 register didn't work, try the original mode.
7662 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7664 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7665 * config/c4x/c4x.h: Likewise.
7666 * stor-layout.c (compute_record_mode): Likewise.
7667 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7669 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7671 * configure.in: Kill tm.h. Include the files in the $tm_file
7672 list in all three of config.h, hconfig.h, tconfig.h, after the
7673 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7674 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7675 * configure: Regenerate.
7676 * Makefile.in (clean): Don't delete tm.h.
7678 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7679 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7680 those are not defined, set SEC and FEC to 0 and 1.
7681 * gcc.texi: Update to match.
7683 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7684 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7685 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7686 Include tconfig.h, not tm.h.
7688 * config/xm-lynx.h, config/xm-std32.h,
7689 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7690 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7691 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7692 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7693 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7694 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7695 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7696 config/i386/xm-i386.h, config/i860/xm-i860.h,
7697 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7698 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7699 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7700 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7701 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7702 config/pa/xm-linux.h, config/pa/xm-pa.h,
7703 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7704 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7705 config/pj/xm-pj.h, config/romp/xm-romp.h,
7706 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7707 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7708 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7709 config/v850/xm-v850.h, config/vax/xm-vax.h,
7710 config/we32k/xm-we32k.h:
7712 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7714 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7715 config/i370/xm-oe.h: Don't include tm.h. Don't define
7717 * config/vax/xm-vms.h: Don't include tm.h.
7719 * config/xm-lynx.h, config/avr/xm-avr.h,
7720 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7721 Delete; made empty by above changes.
7722 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7723 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7724 Don't include config/xm-lynx.h or tm.h.
7726 * config/xm-gnu.h: Don't include fcntl.h.
7727 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7729 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7731 2001-03-02 Richard Henderson <rth@redhat.com>
7733 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7734 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7736 2001-03-02 Richard Henderson <rth@redhat.com>
7738 * Makefile.in (OBJS): Add dwarf2asm.o.
7739 * dwarf2asm.c, dwarf2asm.h: New files.
7740 * dwarf2out.c (*): Use them.
7741 (size_of_uleb128, size_of_sleb128): Remove.
7742 (output_uleb128, output_sleb128): Remove.
7743 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7744 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7745 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7746 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7747 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7748 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7749 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7750 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7751 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7752 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7753 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7754 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7755 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7756 (dwarf2out_frame_debug): Remove unused variables.
7757 (output_loc_operands): Don't abort on 8 byte constants if
7758 host integers are wide enough.
7759 (output_symbolic_ref): Remove.
7760 (size_of_die): Don't assume 4 byte host integers.
7761 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7763 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7764 something stupid with HOST_WIDE_INT to long truncation.
7765 [CONST_DOUBLE]: Likewise.
7767 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7768 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7769 * config/arm/unknown-elf.h: Likewise.
7770 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7771 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7772 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7773 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7774 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7775 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7776 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7777 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7778 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7779 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7780 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7781 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7783 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7785 * cselib.c (hash_rtx): Cast enums to unsigned int.
7787 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7789 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7790 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7792 * c-format.c (C_STD_VER): Cast to int for comparisons.
7793 (check_function_format): Cast various enums to int for &.
7794 (maybe_read_dollar_number): Likewise.
7795 (check_format_info): Likewise.
7796 (check_format_info_main): Likewise.
7797 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7798 (safe_from_p): Likewise.
7799 * varasm.c (const_hash): Cast enum to int for %.
7800 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7801 pcc enum problems with < and ++ operators.
7802 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7803 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7804 (regclass_init): Change enum class to int to iterate over reg_classes.
7805 * genrecog.c (merge_trees): Cast enums for comparison.
7806 * rtl.h (GET_CODE): Cast to enum rtx_code.
7807 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7808 (GET_MODE): Cast to enum machine_mode.
7809 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7810 (GET_NOTE_INSN_NAME): Cast enum to int.
7811 * tree.h (TREE_CODE): Cast to enum tree_code.
7812 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7813 * timevar.c (timevar_print): Change loop variable id from enum to
7815 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7816 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7817 * toplev.c (compile_file): Cast enum DFI to int.
7818 (decode_d_option): Likewise.
7820 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7822 * cppinit.c (append_include_chain): Mark "after" include file name list
7823 as a system directory.
7824 * cpp.texi: Document new behavior.
7826 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7828 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7830 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7832 * cppfiles.c (struct include_file): Update.
7833 (stack_include_file): Use search_from.
7834 (cpp_included, find_include_file): Update.
7835 (cpp_execute_include): Update. ptr->name may not be
7836 null terminated. Use the new search_from member variable
7838 (_cpp_compare_file_date): Similarly.
7839 (search_from): New function, similiar to actual_directory.
7840 (actual_directory): Delete.
7841 (remap_filename): Update. loc->name may not be null terminated.
7842 (struct file_name_list): Rename search_path. Update.
7843 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7844 search_from and dir.
7845 (struct cpp_reader): Remove actual_dirs.
7846 * cppinit.c (struct cpp_pending): Update for renamed objects.
7847 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7848 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7849 * cpplib.h (struct cpp_options): Similarly.
7851 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7853 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7854 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7855 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7856 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7857 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7858 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7859 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7860 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7861 config/i370/xm-oe.h, config/i386/xm-aix.h,
7862 config/i386/xm-i386.h, config/i386/xm-osf.h,
7863 config/i860/xm-i860.h, config/i960/xm-i960.h,
7864 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7865 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7866 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7867 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7868 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7869 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7870 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7871 config/pj/xm-pj.h, config/romp/xm-romp.h,
7872 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7873 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7874 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7875 config/v850/xm-v850.h, config/vax/xm-vax.h,
7876 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7877 Do not define TRUE or FALSE.
7879 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7880 empty by above change.
7881 * config.gcc: Remove references to these files.
7883 * configure.in: Detect stdbool.h.
7884 * configure, config.in: Regenerate.
7885 * system.h: Include stddef.h here if available.
7886 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7887 Then set up a sensible boolean type at the very end.
7889 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7890 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7892 * hash.h: Delete 'boolean' typedef and related #undefs.
7894 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7895 all uses of 'boolean' with 'bool'.
7897 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7899 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7900 * cppexp.c (lex): Cast enums for comparison.
7901 * cppinit.c (parse_option): Cast enum for comparison.
7902 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7903 (cpp_output_token): Likewise.
7904 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7905 (cpp_avoid_paste): Cast enums for minus and comparison.
7907 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7909 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7910 field to all array elements.
7912 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7914 * cpphash.h (struct cpp_reader): Add print_version field.
7915 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7916 just set print_version and other flags as appropriate.
7917 (cpp_post_options): Print version here if print_version is set.
7919 * toplev.c (exit_after_options): New flag.
7920 (independent_decode_option): Don't exit here; just set
7922 (main): Exit after calling lang_hooks.post_options if
7923 exit_after_options is true.
7925 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7926 (merge_include_chains): Adjust comment to match code.
7928 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7930 * stringpool.c (set_identifier): New function.
7931 * tree.h: Prototype it.
7933 * c-parse.in: Kill D_YES. If compiled for objc, call
7934 save_and_forget_protocol_qualifiers from init_reswords.
7935 * objc/objc-act.c (remember_protocol_qualifiers,
7936 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7937 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7939 (save_and_forget_protocol_qualifiers): New function.
7940 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7942 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7944 * c-semantics.c (prune_unused_decls): Return error_mark_node
7945 instead of (tree) 1 to stop traversing the tree chain.
7947 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7949 Fix a problem introduced by Kenner's Feb 18 change.
7950 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7951 flag_cse_skip_blocks only temporarily, not for ever.
7953 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7955 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7956 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7958 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7959 before determining its register class.
7961 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7963 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7964 from reg 4 if current_function_calls_setjmp.
7965 (gen_nop_type): New function.
7966 (ia64_emit_nops): New function.
7967 (ia64_reorg): Call it.
7968 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7970 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7971 code not to try to optimize adds with anything but a REG destination.
7973 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7974 (INSN_PRIORITY_KNOWN): New accessor macro.
7975 * haifa-sched.c (priority): Use it instead of testing priority against
7978 2001-02-28 DJ Delorie <dj@redhat.com>
7980 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7981 since that doesn't work the way gcc wants on a generic m68k.
7983 2001-02-28 Richard Henderson <rth@redhat.com>
7985 * caller-save.c (save_call_clobbered_regs): Fix typo in
7986 comparison last change.
7988 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7990 * i386.c (pentium4_cost): New.
7991 (m_PENT4): New macro.
7992 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7993 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7994 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7995 x86_memory_mismatch_stall): Add Pentium4
7996 (x86_use_q_reg, x86_use_any_reg): Kill.
7997 (override_options): Add pentium4.
7998 (incdec_operand): Return 0 for pentium4.
7999 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8000 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8001 (TARGET_PENTIUM4): Define.
8002 (enum processor_type): Add PROCESSOR_PENTIUM4.
8003 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8004 * i386.md (attribute "cpu"): Add pentium4.
8005 * invoke.texi (march): Add pentium4.
8007 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8009 * i386.md (sse_mov?fcc*): New patterns and splitters.
8010 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8011 the SSE based conditional moves.
8013 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8015 * i386.md (attribute mode): Add "TI".
8016 (movsf_1): Add pxor support; remove constant propagation splitter.
8017 (movdf_integer): Likewise.
8018 (movdf_nointeger): Likewise.
8019 (movxf constant prop splitter): Handle all modes; update for SSE.
8020 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8021 * i386.c (standard_80387_constant_p): Rewrite.
8022 (standard_sse_constant_p): New.
8023 * i386-protos.h (standard_sse_constant_p): New.
8025 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8027 * i386.md (sse_setccsf, sse_setccdf): New.
8028 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8030 * i386.c (sse_comparison_operator): Accept the supported unordered
8031 comparses; be ready for fast_math.
8032 (print_operand): Support 'D'.
8034 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8036 * jump.c (reversed_comparison_code): Kill.
8038 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8040 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8043 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8045 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8046 add missing '%' in constraints.
8048 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8050 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8051 for HOST_BITS_PER_WIDE_INT == 32 too.
8053 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8055 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8057 (insert_save, insert_restore): New parameter save_mode.
8058 (init_caller_save): Update initialization of reg_save_code
8059 and reg_restore_code.
8060 (save_call_clobbered_regs): Compute save_modes and update calls to
8061 reg_save_code and reg_restore_code.
8062 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8063 of spill; update use of reg_restore_code.
8064 (insert_save): Likewise.
8065 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8066 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8067 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8069 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8071 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8072 noce_try_store_flag_inc, noce_try_store_flag_mask,
8073 noce_try_cmove_arith):
8074 Use reversed_comparison_code instead of reverse_comparison and
8075 can_reverse_comparison_p.
8077 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8079 * jump.c (reversed_comparison_code_parts): Allow reversal of
8080 unordered compares in -ffast-math mode; reverse ordered compares
8081 for FP even w/o -ffast-math.
8083 2001-02-27 Richard Henderson <rth@redhat.com>
8085 * print-rtl.c (print_rtx) [i]: Don't print field five on
8086 NOTEs other than NOTE_INSN_DELETED_LABEL.
8088 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8090 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8091 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8093 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8095 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8096 even if walk_subtrees is 0.
8097 * c-semantics.c (prune_unused_decls): Return a non-null value to
8098 stop traversing the tree chain.
8100 2001-02-27 DJ Delorie <dj@redhat.com>
8102 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8103 register, *then* define it as the new CFA.
8105 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8107 * pa.c (override_options): Promote -fpic to -fPIC.
8108 (legitimize_pic_address): Simplify due to removal of
8109 small PIC as a code generation option.
8110 (secondary_reload_class): Similarly.
8111 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8112 (PRINT_OPERAND_ADDRESS): Similarly.
8113 * pa.md (various patterns): Similarly.
8114 (small pic lo_sum pattern): Remove.
8116 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8119 * md.texi (min, max): Document
8121 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8123 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8124 TARGET_PARTIAL_REG_DEPENDENCY.
8125 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8127 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8129 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8131 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8133 * mips.c (mips_make_temp_file): Fix thinko in last change.
8135 2001-02-26 Jason Eckhardt <jle@redhat.com>
8137 * combine.c (known_cond): Do not reverse the condition when
8138 SMAX/UMAX is being considered and the condition is for equality
8141 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8143 2001-02-26 Philip Blundell <philb@gnu.org>
8145 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8147 * config/arm/linux-elf.h: Remove historical relics related to
8148 above configurations.
8149 * config/arm/linux-oldld.h: Delete.
8150 * config/arm/linux-elf26.h: Delete.
8152 2001-02-26 Jason Merrill <jason@redhat.com>
8154 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8156 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8157 recognize a tentative definition. Lose obsolete code.
8159 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8160 variables unless necessary, either.
8162 2001-02-25 Richard Henderson <rth@redhat.com>
8164 * ifcvt.c (struct noce_if_info): Add test_bb.
8165 (noce_get_alt_condition): New.
8166 (noce_try_minmax, noce_try_abs): New.
8167 (noce_operand_ok): New.
8168 (noce_process_if_block): Use them.
8169 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8171 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8173 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8176 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8178 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8179 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8181 (mips_asm_file_end): Free temp_filename here.
8183 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8185 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8186 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8188 * config/i386/i386.md (movstrsi): Handle FAIL case.
8190 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8192 * cppinit.c (builtin_array): Update.
8193 (init_builtins): Flag builtins to warn if redefined or
8194 undefined. Define __GXX_WEAK as a normal macro.
8195 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8196 * cpplib.h (NODE_WARN): New flag.
8197 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8198 Handle __STDC__ as a builtin only on Solaris.
8199 (warn_of_redefinition): Renamed from check_macro_definition.
8200 Reverse sense of test. Always warn if NODE_WARN.
8201 (_cpp_create_definition): Use warn_of_redefinition. Flag
8202 any macro beginning with "__STDC_" to require a mandatory
8203 warning if redefined or undefined.
8205 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8207 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8208 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8209 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8210 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8211 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8212 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8213 Don't define any of:
8214 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8215 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8216 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8217 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8218 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8220 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8221 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8224 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8225 Delete now-empty file.
8227 * alpha/vms.h: Define NEED_ATEXIT here...
8228 * alpha/xm-vms.h: ...not here.
8230 * i386/cygwin.h: Don't define PARAMS.
8231 * mips/mips.c: Don't prototype mktemp. Don't define
8232 P_tmpdir. Use make_temp_file to create temporary files.
8233 Don't be clever and delete temporary files early.
8234 * config.gcc: Drop references to deleted files. Don't define
8236 * gcc.texi: Don't mention USE_PROTOTYPES.
8238 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8240 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8241 (ix86_set_move_mem_attrs_1): Likewise.
8242 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8243 * config/i386/i386.md (movstrsi): Call it.
8245 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8247 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8248 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8249 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8250 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8252 (i750a-*-*): Error here if hosting on i750a.
8253 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8255 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8256 Remove (empty modulo comments).
8258 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8259 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8260 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8261 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8262 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8263 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8265 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8266 Remove reference to winnt.h in comment.
8267 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8269 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8271 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8272 used to set another biv.
8274 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8276 * tree.h (BLOCK_DEAD): New macro.
8277 (struct tree_block): New flag, dead_flag.
8278 * print-tree.c (print_node, case 'b'): Print missing fields.
8279 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8280 * function.c (identify_blocks): Enable test for misplaced notes.
8281 (all_blocks): Skip BLOCK_DEAD blocks.
8282 * integrate.c (integrate_decl_tree): Likewise.
8284 * errors.c (internal_error, trim_filename): New functions.
8285 (fancy_abort): Call internal_error.
8286 * errors.h (internal_error, trim_filename): New declarations.
8288 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8290 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8292 (EXTRA_CONSTRAINT): Formatting changes.
8294 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8296 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8298 2001-02-23 Per Bothner <per@bothner.com>
8300 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8301 so they can be called from java/jvspec.c.
8302 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8304 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8306 * i386.c (ix86_frame): New structure.
8307 (ix86_compute_frame_size): Kill.
8308 (ix86_compute_frame_layout): New.
8309 (ix86_save_reg): New.
8310 (ix86_can_use_return_insn_p): Use frame layout stuff.
8311 (ix86_expand_prologue): Likewise.
8312 (ix86_expand_epilogue): Likewise.
8313 (ix86_initial_elimination_offset): Likewise.
8314 (ix86_nsaved_regs): Use ix86_save_reg.
8315 (ix86_emit_save_regs): Likewise.
8317 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8319 * flow.c (find_sub_basic_blocks): New function.
8320 (split_block): Be ready for basic block introduced by CODE_LABEL.
8321 (commit_one_edge_insertion): Call find_sub_basic_block.
8323 * flow.c (make_edges): Add edge from entry for blocks starting with
8324 label having ALTERNATE_NAME
8326 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8328 * function.c (epilogue_done): Be ready for first basic block not
8329 containing PROLOGUE_END note.
8330 (reposition_prologue_and_epilogue_notes): Avoid placing
8331 PROLOGUE_END note between BASIC_BLOCK.
8333 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8335 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8337 2001-02-21 DJ Delorie <dj@redhat.com>
8339 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8340 check for current_function_has_nonlocal_goto from 1999-11-12.
8342 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8344 * diagnostic.c (trim_filename): No longer static.
8345 * toplev.h (trim_filename): Declare.
8346 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8347 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8348 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8349 (rtvec_check_failed_bounds): Likewise.
8350 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8352 * convert.c (convert_to_integer): Don't do unsigned unless result or
8353 both inputs are unsigned.
8355 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8358 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8360 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8362 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8364 * Makefile.in (resource.o): Add params.h dependence.
8365 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8366 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8367 * resource.c: Add dependence on params.h.
8368 (current_live_regs): Fix explanatory comment.
8369 (find_basic_block): Add new parameter to permit limiting search
8371 (mark_target_live_regs): Add new argument to find_basic_block call.
8372 (incr_ticks_for_insn): Likewise.
8374 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8376 * diagnostic.c (output_to_stream): Rename to
8377 output_buffer_to_stream. Loses the stream parameter.
8378 (init_output_buffer): Set diagnosic_buffer's stream.
8379 (flush_diagnostic_buffer): Adjust.
8380 (default_print_error_function): Likewise.
8381 (finish_diagnostic): Likewise.
8382 (verbatim): Likewise.
8384 * diagnostic.h (struct output_buffer): Add `stream' field.
8385 (output_buffer_attached_stream): New macro.
8387 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8389 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8390 check if either operand is divisible by C.
8391 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8392 If type is signed, consider negative numbers as well.
8394 2001-02-22 Richard Henderson <rth@redhat.com>
8396 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8397 reach .text instead of gp-relative relocs.
8398 * config/ia64/crtend.asm (.init): Likewise.
8400 2001-02-22 Andreas Jaeger <aj@suse.de>
8402 * extend.texi (C++ Attributes): Fix typo.
8404 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8406 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8407 functions, drop current_function_args_info.words test.
8408 (ia64_compute_frame_size): Mark syscall_linkage functions as
8409 using eight input registers.
8411 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8412 Bruce Korb <bkorb@gnu.org>
8414 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8415 * fixinc/README: Document how to convert sed substitutions
8416 to format style c_fix-es.
8417 * fixinc/fixincl.x: regen
8419 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8421 * gcc.c: Add comment explaining how to add a command-line option.
8422 Add title to specs language comment.
8424 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8426 * gcc.c (cc1_options): Add "-param".
8427 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8428 (option_map): Likewise.
8429 * toplev.c (display_help): Add entry for "--param".
8430 (independent_decode_option): Fix typographical error.
8432 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8433 Bernd Schmidt <bernds@redhat.com>
8434 Jan Hubicka <jh@suse.cz>
8436 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8437 (function_arg): Likewise.
8439 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8441 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8443 2001-02-21 Kazu Hirata <kazu@hxi.com>
8445 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8449 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8451 * flow.c (init_propagate_block_info): Canon address and use single_set
8452 for killing dead memory stores.
8454 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8456 * Makefile.in (reorg.o): Add params.h dependence.
8457 * params.def: Fix typographical error in comment.
8458 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8459 * params.h: Modify introductory comment.
8460 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8461 * reorg.c: Add dependence on params.h.
8462 (redundant_insn): Add parameterized throttle for search.
8463 (fill_simple_delay_slots): Add a comment explaining a variable.
8464 Move conditional out of loop, simplifying code.
8465 (fill_eager_delay_slots): Fix typographical error in comment.
8467 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8469 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8471 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8472 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8474 2001-02-21 Jason Merrill <jason@redhat.com>
8476 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8477 (struct tree_decl): Add uninlinable bitfield.
8478 * c-decl.c (duplicate_decls): Set it.
8479 * integrate.c (function_cannot_inline_p): Check it.
8481 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8482 DW_AT_MIPS_linkage_name to abstract methods.
8483 (dwarf2out_abstract_function): Emit class context before calling
8484 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8485 (gen_subprogram_die): Remove obsolete code.
8486 (gen_member_die): Don't include clones in the member list.
8487 (gen_decl_die): Emit abstract info for clone origin.
8488 * dwarfout.c (output_type): Don't include clones in the member list.
8489 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8490 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8491 DECL_ABSTRACT on a function that already has it set.
8493 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8494 (get_subprogram_die): Pass it in.
8496 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8498 * flow.c (mark_set_1): Make not_dead unsigned long. For
8499 non-pseudos, use it as a bitmask of the hard regs that
8502 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8504 * cppfiles.c: Update comments.
8505 (_cpp_read_file): Don't check for NULL filenames any more.
8506 * cppinit.c (cpp_start_read): Don't do canonicalization of
8507 in_fname and out_fname. Use the passed file name exclusively.
8508 (_cpp_handle_options): Don't treat "-" as a command line option,
8509 but as a normal filename.
8510 (_cpp_post_options): Canonicalize in_fname and out_fname.
8511 * cppmain.c (printer_init): Don't check out_fname for NULL.
8512 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8513 (init_c_lex): Update, and use "" to represent stdin to CPP.
8516 2001-02-20 Will Cohen <wcohen@redhat.com>
8518 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8519 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8520 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8523 2001-02-20 Stan Shebs <shebs@apple.com>
8525 * config/rs6000/rs6000.c (output_cbranch): Output branches
8526 on separate lines instead of using ';' to separate.
8528 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8530 * cppinit.c (set_lang): Move builtin handling to...
8531 (init_builtins): ...here.
8532 (_cpp_create_reader): Move call to set_lang.
8534 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8536 * stmt.c (expand_return): If an attempt is made to return the
8537 error_mar_node, treat the return like a return without a value.
8539 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8541 * sibcall.c (skip_copy_to_return_value): Call
8542 identify_call_return_value here, and return orig_insn if it
8543 returns zero. Hardret and softret arguments now unnecessary.
8544 (call_ends_block_p): Don't call identify_call_return_value here.
8546 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8548 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8549 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8551 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8553 * pa.c (move_operand): Accept code to load the address of a
8554 symbol out of the DLT as a valid move operand.
8555 (print_operand, case 'A'): New to handle generating a DLT
8556 reference for a LO_SUM expression.
8557 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8558 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8560 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8562 * README, cpp.texi, gcc.texi, version.c: Update version number to
8564 * cpp.1, gcov.1, gcc.1: Regenerate.
8566 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8568 * cppfiles.c (stack_include_file): Generate dependencies
8569 here, and manage include_count here too.
8570 (PRINT_THIS_DEP): Delete.
8571 (_cpp_execute_include): Do not generate dependencies here,
8572 apart from the case of a missing header. Do not manage
8574 (_cpp_read_file): Leave dependency generation to
8577 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8579 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8580 target_cpu_default. Remove dead assignment to
8583 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8585 * regclass.c (contains_reg_of_mode): Make global.
8586 (init_reg_sets): Remove contains_reg_of_mode; take into account
8587 CLASS_MAX_NREGS when looking for the proper mode.
8588 (dump_regclass): Dump only classes considered for the pseudo.
8589 (regclass): Use contains_reg_of_mode.
8591 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8593 * gcc.c (do_spec_1): 'n' for printing notices.
8594 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8596 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8598 * reg-stack.c (next_flags_user): Use current_block->end
8599 (swap_rtx_condition): Look for next user if flags don't die;
8600 give up on CALL_INSNs; use current_block->end.
8602 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8604 * sibcall.c (call_ends_block_p): New function.
8605 (optimize_sibling_and_tail_recursive_call): Use it.
8607 2001-02-18 Kazu Hirata <kazu@hxi.com>
8609 * config/h8300/h8300.md: Update copyright.
8610 (andsi3): Do not output an extra newline character.
8612 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8614 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8615 FNDECL may be unused.
8617 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8618 follow jumps after first run.
8619 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8620 it doesn't change any jumps.
8622 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8624 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8625 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8626 (mostlyclean): Corresponding changes.
8627 * rtlanal.c (hard-reg-set.h): Include.
8628 (rtx_unstable_p): Do not treat the argument pointer specially
8629 if it is not a fixed register.
8630 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8632 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8634 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8635 against last real insn in basic block.
8636 Rework to avoid gotos.
8638 * Makefile.in (gcse.o): Now includes ggc.h.
8639 * gcse.c: Include ggc.h.
8640 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8641 (try_replace_reg): Remove warning of uninitialize variable.
8642 (process_insert_insn): Call invalid_insn_p to validate insn.
8643 * recog.c (insn_invalid_p): Now global.
8644 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8645 * recog.h (insn_invalid_p): New declaration.
8647 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8649 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8650 assignments from FP constants since 'Y' output code can't handle it.
8651 (eligible_for_sibcall_delay): Likewise.
8653 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8654 Call fancy_abort directly, passing args.
8655 (print_rtl_and_abort): Now a macro, like fancy_abort.
8657 * final.c (output_operand_lossage): Use internal_error, not error.
8659 2001-02-18 Shane Nay <shane@agendacomputing.com>
8661 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8662 structure shift insns.
8664 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8666 * invoke.texi (-fsquangle): Remove documentation.
8667 (-fname-mangling-version): Likewise.
8669 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8671 * optabs.c (expand_abs): Remove reference to
8672 HAVE_contitional_arithmetic.
8673 * combine.c (simplify_set): Likewise.
8675 2001-02-18 Richard Henderson <rth@redhat.com>
8677 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8680 2001-02-18 Richard Henderson <rth@redhat.com>
8682 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8684 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8686 * reload1.c (reload_cse_simplify_set): Fix typo.
8688 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8690 * diagnostic.c (_fatal_insn): Decrement errorcount.
8692 * invoke.texi (-I): Add note avoiding use for system header files.
8694 * rtl.h (add_clobbers): Remove duplicate declaration.
8695 * recog.h (added_clobbers_hard_reg_p): New declaration.
8696 * genemit.c (struct clobber_pat): New field has_hard_reg.
8697 (gen_insn): Record if added clobbers clobber hard reg.
8698 (gen_split): Avoid unused warning if number of operands is 0.
8699 (output_added_clobbers_hard_reg_p): New function.
8702 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8704 * pa.c (hppa_expand_prologue): Simplify code storing return
8705 pointer. For large (>=8k) frames with a post_store, adjust stack
8706 pointer by 8k-64 first rather than by 64. When testing with
8707 VAL_14_BITS_P, always use the actual value rather than the value
8708 negated. Add blockage to prevent scheduling of spills before
8709 stack frame has been created.
8710 (hppa_expand_epilogue): Simplify code loading return pointer.
8711 Allow a slightly larger range for merge_sp_adjust_with_load case.
8712 When testing with VAL_14_BITS_P, always use the actual value.
8714 * pa.c (pa_adjust_insn_length): Check that block move
8715 pattern is a set before looking at operands.
8717 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8719 * fold-const.c (fold_binary_op_with_conditional_arg): New
8720 function, split out from ...
8722 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8723 conditional arms that throw exceptions.
8725 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8728 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8730 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8731 define HAVE_DECL_* to 1 to mask potential backup declarations.
8732 * configure: Regenerated.
8734 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8736 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8738 2001-02-17 Richard Henderson <rth@redhat.com>
8740 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8741 when replacing a memory load with a register.
8743 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8744 Jan Hubicka <jh@suse.cz>
8746 * recog.c (validate_replace_src_1): New.
8747 (validate_replace_src_data): Likewise.
8748 (validate_replace_src): Use note_uses.
8749 * rtl.h (note_uses): Declare.
8750 * rtlanal.c (note_uses): New.
8752 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8754 * reg-stack.c (stack_def): Make field reg unsigned.
8755 (remove_regno_note): Unsignetize parameter.
8757 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8759 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8760 shladd_operand() call.
8762 2001-02-16 Bruce Korb <bkorb@gnu.org>
8763 Rodney Brown <RodneyBrown@mynd.com>
8765 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8766 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8767 machine restrictions
8768 * fixinc/fixincl.x: regen
8770 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8772 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8774 (hash_scan_insn): Clean up calls to hash_scan_set.
8775 (compute_kill_rd): REGNO now unsigned.
8776 (try_replace_reg): Rework to use simplify_replace_rtx.
8777 (cprop_jump, cprop_cc0_jump): Likewise.
8778 (cprop_insn): Call find_reg_equal_equiv_note.
8779 Reflect changes to cprop_jump and cprop_cc0_jump.
8781 * recog.c (validate_replace_src): Replace in operands of
8782 ZERO_EXTRACT in SET_DEST.
8784 * cse.c (new_label_ref): New variable.
8785 (insert): Set it instead of recorded_label_ref.
8786 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8787 CODE_LABEL for this function, and not already in REG_LABEL note.
8789 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8791 * resource.c (mark_referenced_resources): Fix typo in introductory
8793 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8796 2001-02-16 Jason Merrill <jason@redhat.com>
8798 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8800 (gen_subprogram_die): Don't abort on seeing a second definition if
8801 the previous one was abstract. Don't replace an abstract instance
8802 in the lookup table.
8804 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8805 gen_abstract_function.
8806 * dwarf2out.h: Declare it.
8807 * toplev.c (note_outlining_of_inline_function): New fn.
8808 * toplev.h: Declare it.
8809 * integrate.c (output_inline_function): Call it.
8810 * c-decl.c (duplicate_decls): Call it when redefining an extern
8811 inline. Don't inline the new defn.
8813 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8815 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8817 * .gdbinit: Rename to gdbinit.in.
8818 * gdbinit.in: New file,
8819 * configure.in: Generate .gdbinit from gdbinit.in.
8820 * configure: Regenerated.
8821 * Makefile.in (distclean): Always remove .gdbinit.
8823 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8825 * objc/objc-act.c (start_class): Register implemented_classes with
8828 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8830 * cppfiles.c (_cpp_make_system_header): Generate a file
8833 2001-02-15 Jim Meyering <meyering@lucent.com>
8835 * Makefile.in (install-common): Don't depend on installdirs here.
8836 Instead, make each of the lang.install-common targets (e.g.,
8837 c++.install-common in cp/Make-lang.in) depend on it.
8838 (install-driver): Depend on installdirs.
8840 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8842 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8844 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8847 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8849 * invoke.texi (--param): Document.
8851 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8853 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8855 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8857 * i386.md (extendsfdf2_2): Fix constraints.
8859 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8861 * i386.md (fop_df_3 splitter): Fix operand number.
8863 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8865 * invoke.texi (-mreg-alloc): Nuke.
8866 * i386.c (ix86_reg_alloc_order, regs_allocated,
8867 order_regs_for_local_alloc): Nuke.
8868 (override_options): Kill reg_alloc code.
8869 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8870 (REG_ALLOC_ORDER): SSE goes before I387.
8871 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8872 (ix86_reg_alloc_order): Likewise.
8873 * i386-protos.h (ix86_reg_alloc_order): Kill.
8875 2001-02-14 Richard Henderson <rth@redhat.com>
8877 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8879 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8881 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8883 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8885 * i386-protos.h (ix86_memory_move_cost): Move offline.
8886 * i386.c (ix86_register_move_cost): Compute properly cost of
8887 SSE, MMX and i387 instructions.
8888 (*_cost): Add costs of SSE/MMX moves.
8889 (ix86_memory_move_cost): Move offline from ....; Likewise.
8890 * i386.h (MEMORY_MOVE_COST): .... here;
8891 (struct processor costs): Add new fields to represent costs
8894 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8896 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8897 move_cost together with Matt Kraai's fix.
8899 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8901 * Makefile.in (OBJS): Add params.o.
8903 2001-02-14 Richard Henderson <rth@redhat.com>
8904 DJ Delorie <dj@redhat.com>
8906 * jump.c (jump_optimize_1): When we delete a conditional jump
8907 preceeding a non-conditional jump to effectively the same place,
8908 make sure that the combined jump skips any clobber insns between
8911 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8913 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8915 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8917 * Makefile.in (toplev.o): Depend on params.h.
8918 (intergate.o): Likewise.
8919 (params.o): New target.
8920 * flags.h (inline_max_insns): Remove.
8921 * integrate.c: Include params.h.
8922 Use MAX_INLINE_INSNS instead of inline_max_insns.
8923 * params.c: New file.
8924 * params.h: Likewise.
8925 * params.def: Likewise.
8926 * toplev.c: Include params.h.
8927 (lang_independent_params): New variable.
8928 (decode_f_option): Use the param machinery instead of setting
8930 (independent_decode_option): Handle "--param name=value".
8931 (main): Register language-independent parameters.
8933 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8935 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8937 2001-02-14 Richard Henderson <rth@redhat.com>
8939 * regclass.c (init_reg_sets_1): Revert last two changes.
8941 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8943 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8944 (variable_size): Call put_pending_size.
8945 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8946 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8947 sizes list, put newly created SAVE_EXPR there as well.
8949 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8951 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8952 (errata_find_address_regs): load_group has only 2 entries.
8953 (errata_emit_nops): Likewise. shladd is not problematic.
8954 Clear last_group if nop was emitted.
8955 (fixup_errata): load_group has only 2 entries.
8958 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8960 * c-lex.c (lex_number): Only warn traditionally for U suffix
8961 outside system macros.
8962 * cppexp.c (parse_number): Similarly.
8963 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8964 * cppmacro.c (struct cpp_macro): New member node.
8965 (parse_args): Only warn about missing rest args if not
8967 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8968 (cpp_sys_objmacro_p): New.
8969 (_cpp_create_definition): Store the node with the macro defn.
8970 Remember if the macro is defined in a system header.
8972 2001-02-13 DJ Delorie <dj@redhat.com>
8974 * configure.in (check_languages): determine languages to check
8975 * Makefile.in (check-c++): alias for check-g++
8976 (check-f77): alias for check-g77
8977 (CHECK_TARGETS): depend on configured languages
8979 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8981 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8982 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8983 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8984 (sqrtextendsfdf2): Disable for SSE2.
8986 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8988 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8989 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8990 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8991 (sqrtextendsfdf2): Disable for SSE2.
8993 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8995 * i386.md (movsfcc_1): Support integer cmove instruction.
8996 (movdfcc_1): Likewise; new splitter.
8998 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9000 * i386.c (output_fp_compare): Support SSE.
9001 (prepare_fp_compare_args): SSE comparisons always support memory.
9002 * i386.h (TARGET_CMOVE): SSE imply cmove.
9003 * i386.md (cmp?f2): Enable for SSE too.
9004 (cmpfp_i*): Support SSE.
9006 (cmpfp_i_sse_only): New.
9007 (s*, b* fp expanters): Enable for SSE too.
9008 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9011 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9013 * regclass.c (init_reg_sets_1): Silence warning.
9015 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9017 * i386.md (sqrt?f2): Change to expander.
9018 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9020 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9022 * rtlanal.c (find_reg_equal_equiv_note): New function.
9023 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9024 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9025 * rtl.h: Add declarations for above functions.
9027 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9029 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9031 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9032 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9033 * flow.c (mark_regs_live_at_end): Likewise.
9034 (calculate_global_regs_live): Likewise.
9035 * gcse.c (compute_hash_table): Likewise.
9036 (compute_kill_rd): Likewise.
9037 * resource.c (mark_target_live_regs): Likewise.
9038 * rtl.h (INVALID_REGNUM): New macro.
9040 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9042 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9044 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9046 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9049 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9051 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9053 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9054 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9055 (fop_sf_1_sse, fop_df_1_sse): New patterns
9056 (fop_*): Disable float_extend and float patterns for SSE compilation.
9057 * i386.c (output_387_binary_op): Support SSE.
9059 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9061 * i386.md (dummy_extendsfdf2): Support SSE2
9062 (extendsfdf2): Enable if 80387 or SSE2.
9063 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9064 and no MIX_I387_SSE2
9065 (extendsfdf2_1_sse_only): New pattern.
9066 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9068 (truncdfsf2_1): Support SSE.
9069 (truncdfsf2_2): Support SSE.
9070 (truncdfsf2_2_1_sse): New pattern.
9071 (fixtruncsfsi2): Always use SSE if available.
9072 (fix_truncsfsi_sse): New pattern.
9073 (fix_truncdfsi_sse): New pattern.
9074 (floatsis?f2): Support SSE.
9075 (floatsidf2_i387): New pattern.
9076 (floatsidf2_sse): Likewise.
9078 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9080 * configure.in: Use "have_gnat" variable, not "gnat".
9081 * configure: Regenerated.
9083 * config/sparc/sparc.c (function_value): Treat all non-record
9084 aggregate types like used to treat UNION_TYPE.
9086 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9088 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9089 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9091 (MASK_MIX_SSE_I387): New.
9092 (TARGET_SSE): SSE2 imply SSE.
9093 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9094 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9095 (enum reg_class): Add new classes.
9096 (REG_CLASS_NAMES): Likewise.
9097 (REG_CLASS_CONTENTS): Likewise.
9098 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9099 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9100 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9101 (CLASS_MAX_NREGS): Use new macros.
9102 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9103 * i386.md (pushsf, movsf): Support SSE.
9104 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9105 splitters to use ANY_FP_REGNO_P.
9106 (movdf_nointeger, movdf_integer): Likewise.
9108 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9110 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9111 (try_combine): Use it.
9113 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9115 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9116 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9117 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9118 (REGISTER_MOVE_COST): Likewise.
9119 * i386-protos.h (ix86_secondary_memory_needed,
9120 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9121 * i386.c (ix86_secondary_memory_needed,
9122 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9124 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9126 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9127 (HARD_REGNO_MODE_OK): Move offline to ....
9128 * i386.c (ix86_hard_regno_mode_ok) ... here;
9129 refuse all incorrect modes.
9130 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9132 2001-02-13 Richard Henderson <rth@redhat.com>
9134 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9135 entire operator; replicate that and match_dup the operands.
9136 (cmp_ccx_arith_op_set): Likewise.
9137 (cmp_cc_arith_op_not_set): Likewise.
9138 (cmp_ccx_arith_op_not_set): Likewise.
9140 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9142 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9144 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9146 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9147 (TARGET_NO_BITFIELD_WORD): New macro.
9148 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9149 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9151 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9153 * cselib.c: New file, from simplify-rtx.c.
9154 * simplify-rtx.c: Remove cselib parts.
9155 * Makefile.in: Add cselib.o.
9157 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9159 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9160 (setup_incoming_varargs): Remove warning.
9162 * config/rs6000/rs6000.c (validate_condition_mode): When
9163 flag_fast_math, allow floating-point conditionals to be reversed.
9164 (rs6000_generate_compare): When flag_fast_math, don't generate
9165 cror operations for FP conditionals.
9167 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9169 (ASM_SPEC): Likewise.
9170 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9171 (CC1_SPEC): Likewise.
9172 (LINK_TARGET_SPEC): Likewise.
9173 (CPP_ENDIAN_SPEC): Likewise.
9174 * Makefile.in (check-consistency): New target.
9176 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9178 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9179 "return type defaults" warning for functions with return type
9181 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9182 function declarations by default rather than only when pedantic.
9184 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9186 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9189 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9191 * extend.texi (Deprecated): Deprecate new initializer lists.
9193 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9195 * mkdeps.c (deps_add_default_target): Robustify. Add
9196 basename component only.
9197 * cpp.texi (-M): Describe how default target is generated.
9198 * invoke.texi (-M): Likewise.
9200 2001-02-12 Kazu Hirata <kazu@hxi.com>
9202 * toplev.c (push_float_handler): Remove.
9203 (pop_float_handler): Remove.
9204 * toplev.h: Remove prototypes for the above functions.
9206 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9208 * c-common.c (constant_fits_type_p): New function.
9209 (convert_and_check): Use it.
9211 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9213 * Makefile.in (GXX_ABI_FLAG): Don't define.
9214 * configure.in (--enable-new-gxx-abi): Remove option.
9215 * config.in: Regenerated.
9216 * configure: Likewise.
9218 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9220 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9222 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9223 regular basic block, and arrange for all edges into it to switch
9226 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9228 * Makefile.in (distclean): Do not remove .gdbinit.
9230 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9232 * Makefile.in (gcc.o): Fix typos.
9233 (protize.o): Likewise.
9234 (unprotoize.o): Likewise.
9236 2001-02-11 Richard Henderson <rth@redhat.com>
9238 * tree.c (build1): Check for null operand in last change.
9240 2001-02-11 Richard Henderson <rth@redhat.com>
9242 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9243 (fold): Don't assume a constant isn't foldable.
9244 * tree.c (build): Set TREE_CONSTANT for an expression with no
9245 side-effects and constant operands.
9248 2001-02-10 Richard Henderson <rth@redhat.com>
9250 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9252 2001-02-10 Anthony Green <green@redhat.com>
9254 * cpp.texi (Standard Predefined): Add documentation for
9257 * c-common.c (combine_strings): Improve warning message.
9259 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9261 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9263 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9265 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9267 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9270 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9272 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9275 2001-02-09 Nick Clifton <nickc@redhat.com>
9277 * config/arm/arm.md: Change output contraint on post inc
9278 load/store multiple patterns to be a read/write contraint.
9280 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9282 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9283 .o files when using the -M options.
9285 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9286 David Edelsohn <edelsohn@gnu.org>
9288 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9289 handle DImode constants. Use one TOC entry for SImode and smaller
9290 constants, aligned properly.
9292 2001-02-08 Jason Merrill <jason@redhat.com>
9294 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9295 about the SP adjustment for saving the static chain pointer.
9296 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9297 offset when setting a temporary CFA register.
9299 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9301 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9302 powerpc-*-chorusos* .
9303 * config/rs6000/chorus.h : New file.
9304 * config/i386/chorus.h : New file.
9305 * config/sparc/chorus.h : New file.
9306 * config/sparc/t-chorus-elf : New file.
9308 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9310 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9311 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9312 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9313 (__WCHAR_TYPE__): Correct macro name.
9315 2001-02-08 Richard Henderson <rth@redhat.com>
9317 * config/i386/i386.c (ix86_frame_pointer_required): New.
9318 (ix86_setup_frame_addresses): New.
9319 (struct machine_funciton): Add accesses_prev_frame.
9320 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9321 ix86_frame_pointer_required.
9322 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9323 (SETUP_FRAME_ADDRESSES): New.
9324 * config/i386/i386-protos.h: Update.
9325 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9326 from FRAME_POINTER_REQUIRED.
9327 * config/i386/svr3gas.h: Likewise.
9328 * config/i386/sysv3.h: Likewise.
9329 * config/i386/v3gas.h: Likewise.
9331 2001-02-08 Richard Henderson <rth@redhat.com>
9333 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9334 calculation of the number of integer registers required.
9335 (function_arg_record_value): Likewise.
9337 2001-02-08 Jason Merrill <jason@redhat.com>
9339 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9340 two. Print file and line with "confused" message.
9342 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9344 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9346 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9348 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9350 * final.c (cleanup_subreg_operands): The address of a MEM can
9353 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9356 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9358 * gcc.texi (Incompatibilities): Update documentation of
9359 preprocessing numbers.
9361 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9363 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9365 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9367 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9369 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9370 * gcc.c (struct compiler): Add cpp_spec field.
9371 (input_file_compiler): New variable.
9372 (do_spec_1): Allow a particular compiler to handle `%C'
9374 (main): Store the current compiler in input_file_compiler.
9375 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9377 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9379 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9380 * cppinit.c (cpp_create_reader): Initialize them.
9381 (append_include_chain): cxx_aware arg might be unused.
9382 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9383 keywords and give them their phase 7 meaning. Pedwarn about
9384 this unless '__bool_true_false_are_defined' is defined.
9386 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9388 * lcm.c (optimize_mode_switching): Emit mode_set before the
9389 JUMP_INSN of an abnormal edge.
9391 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9393 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9394 a scheduling barrier at the end.
9396 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9398 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9400 * config/sh/sh.md (reload_outsf): Removed.
9401 (movsf_ie): Introduce constraints for FPUL loads and stores.
9402 (reload_insf): Broaden the output constraint.
9404 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9406 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9407 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9409 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9411 * final.c: Revert my previous changes.
9412 * output.h: Make profile_label_no extern.
9413 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9414 for generating label.
9416 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9418 * config/i386/djgpp.h: Add comments about standard paths.
9419 (MD_EXEC_PREFIX): Undefine before defining.
9420 (MD_STARTFILE_PREFIX): New.
9422 2001-01-30 Bruce Korb <bkorb@gnu.org>
9424 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9425 (load_file): do not rely on load_file_data() to close file pointer
9426 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9427 fixinc/inclhack.def(irix_limits_const): add test_text
9429 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9431 * cppexp.c (parse_defined): Improve diagnostics for invalid
9434 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9436 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9438 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9440 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9441 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9442 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9443 (rs6000_output_symbol_ref): New function.
9444 (output_toc): Use VTABLE_NAME_P.
9446 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9448 * print-tree.c (print_node, case PARM_DECL):
9449 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9451 * stor-layout.c (reference_types_internal): New variable.
9452 (internal_reference_types): New function.
9453 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9454 * tree.h (internal_reference_types): New declaration.
9456 * cse.c (find_best_addr): Fix typo in computing cost.
9458 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9460 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9461 and this is the sum of a pointer and a constant, we know the result
9463 (num_sign_bit_copies, case PLUS): Likewise.
9464 * explow.c (convert_memory_address): Remove opposite SUBREG.
9465 * function.c (instantiate_new_reg): New function (from common code).
9466 (instantiate_virtual_regs_1): Call it.
9467 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9468 if pointers sign- or zero-extend.
9469 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9470 If pointers extend unsigned, use inside of SUBREG.
9471 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9473 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9475 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9476 subdir of gcc_gxx_include_dir.
9477 (gcc_gxx_target_include_dir): Remove.
9479 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9481 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9482 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9483 a high-level description.
9485 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9487 * final.c: Move the declaration of profile_label_no to ...
9488 * output.h: ... here.
9489 * function.c (expand_function_start): Call PROFILE_HOOK.
9490 * config/rs6000/aix.h: Define PROFILE_HOOK.
9491 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9492 * config/rs6000/rs6000.c (output_profile_hook): Define.
9493 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9494 output_profile_hook.
9495 tm.texi : Explain new macro PROFILE_HOOK.
9497 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9499 * extend.texi (Extended Asm): Do not say that semicolon is always
9500 a valid line-breaking character for GNU assemblers. Use
9501 newline-tab as the most commonly supported syntax. Use
9502 newline-tab rather than semicolon in multi-insn examples.
9504 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9506 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9508 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9509 David Edelsohn <edelsohn@gnu.org>
9511 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9512 code for AIX, even without flag_pic.
9514 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9516 * c-typeck.c (common_type): push and pop binding level around
9517 calling common_type on function parameters.
9519 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9521 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9523 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9525 * config/mips/mips.c (override_options): Fix typo in last change.
9526 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9527 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9529 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9531 * invoke.texi (-fdump-class-layout): Document.
9532 (-fdump-translation-unit): Use `=' as filename separator.
9534 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9536 * Makefile.in (s-mlib): Don't build multilibs if
9538 (DRIVER_DEFINES): Adjust accordingly.
9540 (protoize.o): Likewise.
9541 (unprotoize.o): Likewise.
9542 * configure.in: Recognize --enable-multilib.
9544 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9546 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9548 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9549 * configure.in: Remove --enable-libstdcxx_v3 support.
9550 * configure: Regenerated.
9552 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9554 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9555 Call abort instead of fatal.
9556 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9557 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9558 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9559 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9560 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9561 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9563 * diagnostic.h (set_internal_error_function): Renamed.
9564 * toplev.h (internal_error): Renamed from fatal.
9565 (pfatal_with_name): Deleted.
9566 (fatal_io_error): Now has printf-style arguments.
9567 * diagnostic.c (pfatal_with_name): Deleted.
9568 (fatal_io_error): Rework to have args in printf-style.
9569 (set_internal_error_function): Renamed from set_fatal_function.
9570 (internal_error): Renamed from fatal.
9571 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9572 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9573 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9574 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9575 * flow.c (verify_flow_info): Likewise.
9576 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9577 * config/mips/mips.c (save_restore_insns): Likewise.
9579 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9580 * flow.c (verify_flow_info): Likewise.
9581 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9582 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9583 (avr_normalize_condition): Likewise.
9584 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9585 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9586 (limit_reload_class, double_reg_to_memory): Likewise.
9587 (print_operand_address, emit_1600_code_shift): Likewise.
9588 (gen_tst_reg, gen_compare_reg): Likewise.
9589 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9590 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9592 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9594 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9595 * objc/objc-act.c (build_ivar_chain): Likewise.
9596 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9598 * graph.c (clean_graph_dump_file): Likewise.
9599 * profile.c (init_branch_prob): Likewise.
9600 * objc/objc-act.c (objc_init): Likewise.
9602 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9603 * config/avr/avr.c (avr_override_options): Likewise.
9604 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9605 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9606 * config/h8300/h8300.c (h8300_init_once): Likewise.
9607 * config/mips/mips.c (override_options): Likewise.
9608 * config/i386/i386.c (override_options): Likewise, rework.
9609 * config/m68k/m68k.c (override_options): Likewise.
9611 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9613 * config/mips/mips.c (print_operand): Likewise.
9614 * hash.c (hash_allocate): Don't check for failure returns from
9615 obstack functions that can't fail.
9616 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9617 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9618 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9619 (get_object_reference): Likewise.
9621 2001-02-04 Nick Clifton <nickc@redhat.com>
9623 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9624 StrongARM1110, 10TDMI, and 1020T.
9626 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9628 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9630 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9632 * config/sh/sh.md (movdf load split): Pass register number to
9633 FP_OR_XD_REGISTER_P.
9635 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9637 * cppinit.c (BC): New macro.
9638 (builtin_array): Add __GXX_WEAK__.
9639 * cpplib.h (builtin_type): Add BT_WEAK.
9640 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9641 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9642 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9644 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9646 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9648 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9650 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9651 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9653 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9655 * cpphash.h: Rename ALIGN _ALIGN.
9656 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9658 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9660 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9661 compilation environment.
9662 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9663 control over location of cygwin includes and libs.
9665 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9667 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9669 2001-02-02 lars brinkhoff <lars@nocrew.org>
9671 * md.texi (Standard Names): remove reference to spur.md.
9673 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9675 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9676 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9677 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9678 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9679 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9681 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9683 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9684 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9685 number before reload.
9686 (c4x_adjust_cost): Return zero before reload.
9687 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9688 split before reload.
9690 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9692 * c4x.c (c4x_hard_regno_rename_ok): New.
9693 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9694 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9696 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9698 * diagnostic.h: Add missing "extern" in all declarations.
9700 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9702 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9703 as for gcc_gxx_include_dir.
9705 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9707 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9709 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9711 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9712 label before alignment to be used as the braf base address.
9713 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9715 (casesi_jump_2): Require at least TARGET_SH2.
9717 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9718 truncation to 32-bit doubles on -m3e and -m4-single-only.
9720 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9722 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9723 the default when building a shared object.
9724 (init_spec): Use it.
9725 * testsuite/lib/g++.exp: Include the directory where libgcc
9726 is located to the LD_LIBRARY_PATH list.
9727 * invoke.texi (-shared-libgcc): Document the cases in which
9728 GCC defaults to using the shared libgcc.
9730 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9732 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9733 unsigned is wide enough.
9735 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9736 (si_to_float): Likewise.
9737 (float_to_si, float_to_usi): Use BITS_PER_SI.
9739 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9741 * dwarf2out.c: Added explanation of abbreviations.
9742 (def_cfa_1): Added comments listing DWARF2 instructions.
9743 (cfa_temp_reg): Removed in favor of cfa_temp.
9744 (cfa_temp_value): Removed in favor of cfa_temp.
9745 (cfa_temp): New global variable.
9746 (dwarf2out_frame_debug_expr): Added extensive introductory
9747 comments explaining the function's transformations. Revised to
9748 use cfa_temp. Added some rtx checking. Generalize IOR case.
9749 (dwarf2out_frame_debug): Revised to use cfa_temp.
9750 (output_aranges): Cast as "unsigned" to avoid warning.
9751 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9752 explain which instructions must be marked.
9754 2001-02-01 Richard Henderson <rth@redhat.com>
9756 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9759 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9761 * config/sh/crt1.asm (main_k): Modified so that start calls
9762 ___setup_argv_and_call_main.
9764 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9766 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9767 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9768 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9769 * cppmacro.c (builtin_macro): Set builtin flags here.
9770 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9771 (replace_args): Clarify intent.
9772 (cpp_get_token): Macro expansion tokens get the saved flags.
9774 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9777 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9779 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9782 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9784 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9785 returns Pmode pseudo, but we need ptr_mode.
9786 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9787 Remove bogus conversions; use HOST_WIDE_INT for size.
9788 Don't use TARGET if wrong mode.
9790 * config/i386/i386.c (ix86_compute_frame_size): Allow
9791 stack_alignment_needed to be non-default even if size is zero.
9793 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9795 * pa.c (hppa_init_pic_save): New function.
9796 * pa.h (hppa_init_pic_save): Declare.
9797 * pa.md (call, call_value, sibcall, sibcall_value): Use
9798 the above instead of duplicated code.
9800 * pa.c (hppa_encode_label): Correct size of alloca buffer
9801 so we don't overrun it. Correct leading `*' case.
9802 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9803 need to handle `*@'.
9804 (FUNCTION_NAME_P): Likewise.
9806 2001-01-31 Richard Henderson <rth@redhat.com>
9808 * config.gcc (alpha-osf5): Use float-i128.h.
9810 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9811 * config/float-i32.h: Likewise.
9812 * config/float-i64.h: Likewise.
9813 * config/float-sh.h: Likewise.
9814 * config/float-sparc.h: Likewise.
9816 2001-01-31 DJ Delorie <dj@redhat.com>
9818 * expmed.c (extract_bit_field): allow non-integral modes if we
9819 want to extract a whole register from itself.
9821 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9823 * c-typeck.c (set_init_index): If first is equal to last, assume as
9824 if it was not a range at all.
9826 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9828 * config/fp-bit.c: Include tm.h.
9829 (float_to_si): Don't assume SImode is 32-bits wide.
9830 (float_to_usi): Likewise.
9832 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9834 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9836 (typename): Call pending_xref_error after parsing typed_typespecs.
9837 * c-decl.c (lookup_tag): Give error immediately rather than
9838 leaving it pending if the tag of the wrong type is in the same
9840 (xref_tag): Don't pedwarn for forward declarations of enum types
9842 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9845 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9847 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9849 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9851 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9852 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9854 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9856 * cpphash.h (struct cpp_reader): New saved_flags.
9857 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9858 to avoid a paste after a pasted token.
9860 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9862 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9863 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9864 Wtype_MIN instead of LONG_MIN.
9866 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9868 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9870 * fixinc/fixincl.x: Regenerated.
9871 * fixinc/inclhack.def (irix_limits_const): New definition to
9872 convert "const" to "__const" in limits.h.
9874 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9876 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9878 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9880 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9881 when register dies in the insn.
9883 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9885 * diagnostic.c (fatal): Fix word wrap.
9887 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9889 * combine.c (try_combine): Fix SUBREG setting for
9890 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9892 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9894 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9897 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9899 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9901 * toplev.c (decode_W_option): Update warn_larger_than
9902 unconditionally for each processed switch.
9904 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9906 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9908 (hppa_expand_prologue): Delete code to save pic offset table register
9909 in the function prologue.
9910 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9911 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9912 table register at the beginning of the function after the prologue.
9914 2001-01-29 lars brinkhoff <lars@nocrew.org>
9916 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9918 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9919 Jeff Law <law@redhat.com>
9921 * pa.md (return): Revise comment for trivial return.
9922 (return_internal): Non-trivial return pattern for non-PIC code.
9923 (return_internal_pic): Non-trivial return pattern for PIC code.
9924 It uses the PIC register to ensure it is restored after
9926 (epilogue): Generate appropriate return for PIC and non-PIC code.
9928 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9930 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9932 2001-01-29 DJ Delorie <dj@redhat.com>
9934 * combine.c (if_then_else_cond): Pass the correct mode to
9935 operand_subword() for constants.
9937 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9939 * config/i386/cygwin.h: Add w32api to include search. Search different
9940 directories in a cross-build environment.
9942 2001-11-29 Tim Josling <tej@melbpc.org.au>
9944 * tree.h (TYPE_STUB_DECL): Add documentation.
9946 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9948 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9949 (sdbout_field_types): Likwise. Fix use of host_integerp.
9951 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9953 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9956 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9958 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9959 to use flag_gnu_linker.
9961 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9963 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9964 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9966 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9968 * tree.c, tree.h (build_parse_node): Remove; was identical to
9970 * c-lang.c (start_cdtor), objc/objc-act.c
9971 (build_module_descriptor): Use build_nt instead of
9974 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9976 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9977 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9978 not have any upper bits set.
9980 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9982 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9984 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9986 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9988 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9990 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9991 (integer_minus_one_node): Define.
9993 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9995 * Makefile.in (bootstrap2-lean): Fix typo.
9997 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9999 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10000 : Don't set fe_value.
10001 * cpplib.h (AVOID_LPASTE): New flag.
10002 (struct cpp_hashnode): Remove fe_value.
10003 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10004 * cppmacro.c (builtin_macro): Don't set flags here.
10005 (replace_args): Set AVOID_LPASTE flag on first token of an
10006 argument, and the token following it.
10007 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10008 macro expansion, and on the token following it. Do it for
10010 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10012 2001-01-27 Richard Henderson <rth@redhat.com>
10014 * config/alpha/t-ieee: Remove multilibbing.
10015 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10017 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10019 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10021 * Makefile.in: Remove all dependencies on defaults.h.
10022 * builtins.c: Don't include defaults.h.
10023 * c-common.c: Likewise.
10024 * c-decl.c: Likewise.
10025 * c-pragma.c: Likewise.
10026 * c-typeck.c: Likewise.
10027 * combine.c: Likewise.
10028 * i386.c: Likewise.
10029 * frame-ia64.c: Likewise.
10030 * cppexp.c: Likewise.
10031 * crtstuff.c: Likewise.
10032 * dbxout.c: Likewise.
10033 * dwarf2out.c: Likewise.
10034 * dwarfout.c: Likewise.
10035 * emit-rtl.c: Likewise.
10036 * except.c: Likewise.
10037 * expr.c: Likewise.
10038 * final.c: Likewise.
10039 * frame-dwarf2.c: Likewise.
10040 * libgcc2.c: Likewise.
10041 * optabs.c: Likewise.
10042 * profile.c: Likewise.
10043 * sdbout.c: Likewise.
10044 * toplev.c: Likewise.
10045 * tradcif.y: Likewise.
10046 * tree.c: Likewise.
10047 * varasm.c: Likewise.
10049 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10051 * builtins.c (expand_builtin_fputs): Use size_one_node when
10052 transforming into fwrite.
10054 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10056 * extend.texi (Attribute Syntax): New section.
10058 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10060 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10061 they didn't need fixing.
10063 2001-01-27 Janis Johnson <janis@us.ibm.com>
10065 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10067 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10068 to remove macro definitions that are duplicated from elfos.h.
10070 2001-01-27 Richard Henderson <rth@redhat.com>
10072 * config/i386/sco5gas.h: Move ...
10073 * config/usegas.h: ... here.
10074 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10076 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10078 * c-typeck.c (struct constructor_stack): Add range_stack member.
10079 (really_start_incremental_init): Clear it.
10080 (push_init_level): Save constructor_range_stack and clear it if
10081 pushing explicit braces.
10082 (pop_init_level): abort if constructor_range_stack is non-zero at
10083 explicit closing brace. Restore saved constructor_range_stack if
10086 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10088 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10089 into register was forced into memory.
10091 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10093 * Makefile.in: Remove uses of + before $(MAKE).
10095 2001-01-26 Richard Henderson <rth@redhat.com>
10097 * stmt.c (cost_table): Remove.
10098 (COST_TABLE, cost_table_initialized): New.
10099 (estimate_case_costs): Use the later instead of the former.
10100 (balance_case_nodes): Likewise.
10102 2001-01-26 Richard Henderson <rth@redhat.com>
10104 * alias.c (objects_must_conflict_p): Read-only slots may not
10105 conflict despite having the same type.
10107 2001-01-27 Michael Hayes <mhayes@redhat.com>
10109 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10111 (check_ext_dependant_givs): Initialise u_start_val and
10113 (load_mems): Make last_max_reg unsigned.
10114 (try_swap_copy_prop): Use INSN_P and initialise set.
10116 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10118 * README.AVR : Removed.
10120 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10122 * pa-64.h (text_section): Remove declaration.
10124 * pa.md (return_internal): Remove mode on PIC register use.
10126 2001-01-25 lars brinkhoff <lars@nocrew.org>
10128 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10129 ASM_CLOSE_PAREN): fix typos.
10131 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10133 * acconfig.h: Define `const' to the empty string if neither
10134 __STDC__ nor __cplusplus is defined.
10135 * config.in: Regenerated.
10137 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10139 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10140 * collect2.c (main): Delete importf. Add ".obj" file extension.
10141 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10142 (aix_std_libs): Add additional AIX libraries to skip.
10143 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10144 * config/rs6000/aix51.h: New file.
10146 2001-01-25 Michael Hayes <mhayes@redhat.com>
10148 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10149 (loop_insn_emit_before): No longer static.
10150 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10151 (loop_givs_rescan, load_mems): Likewise.
10152 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10153 (maybe_eliminate_biv_1):
10154 (move_movables): Replace emit_call_insn_before with
10155 loop_call_insn_hoist.
10156 * loop.h (loop_insn_emit_before): Add.
10157 * unroll.c (copy_loop_body): Replace emit_insn_before with
10158 loop_insn_emit_before.
10160 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10162 * diagnostic.c (fatal): Request preprocessed source.
10164 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10166 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10167 olddecl has argument types and newdecl has none, use the argument
10168 types from olddecl.
10170 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10172 * dwarf2out.c (prefix_of): New function. Determine longest common
10173 prefix of the two arguments. The units are whole path components.
10174 (output_file_names): When adding a new directory find the one entry
10175 with the longest common prefix already in the list. Artificially
10176 generate entry if there is none for this prefix.
10177 Fix test to check whether the zeroth directory entry is used.
10179 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10181 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10182 Changed all callers. Take it into account when deciding if a
10183 previously loaded value matches.
10185 2001-01-24 Richard Henderson <rth@redhat.com>
10187 * reload.c (find_reloads_subreg_address): Fail the substitution
10188 if the resulting address is insufficiently aligned.
10190 2001-01-24 DJ Delorie <dj@redhat.com>
10192 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10193 check the original operand's mode also.
10194 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10196 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10198 * c-parse.in (cast_expr): Move compound literals from here ...
10199 (primary): ... to here. Use standard terminology "compound
10200 literal" instead of "constructor expression".
10202 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10204 * gcc.1, cpp.1: Regenerate.
10206 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10208 * calls.c (emit_library_call_value_1): Memory slot for
10209 pass-by-reference argument should have the mode of the argument,
10210 not of the pointer to it.
10212 2001-01-24 Tom Tromey <tromey@redhat.com>
10214 * gcc.texi (G++ and GCC): Mention gcj manual.
10215 (Standards): Link to section of manual mentioning gcj/Java
10218 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10220 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10221 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10222 * tradcpp.c (main): Add -imacros or -include'd dependencies
10224 * cpp.texi (-M, -MM): Document -M -include behaviour.
10226 2001-01-24 Roger Collins <roger@ProProject.com>
10228 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10230 2001-01-24 Will Cohen <wcohen@redhat.com>
10232 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10233 whether registers are 32 bits or 64 bits in size.
10235 2001-01-24 Ben Elliston <bje@redhat.com>
10237 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10239 2001-01-24 Richard Henderson <rth@redhat.com>
10241 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10242 (builtin_longjmp): Use it instead of emit_indirect_jump.
10244 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10246 * bb-reorder.c (make_reorder_chain_1): Handle case where
10247 jump edge goes to the same block as the fallthru edge.
10249 2001-01-23 Jim Wilson <wilson@redhat.com>
10251 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10252 * frame.h (__ia64_personality_v1): Add prototype.
10253 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10254 prototype form. Add void * cast to first argument to personality
10256 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10257 (asctoe113): Likewise.
10258 * config/ia64/frame-ia64.c: Include eh-common.h.
10259 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10261 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10263 (itanium_split_issue): Add prototype.
10264 (gen_nop_type): Ifdef out.
10265 (find_best_packet): Initialize best_packet.
10266 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10268 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10269 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10270 (flushrs): Add explicit stop bit at end.
10271 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10274 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10276 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10278 * libgcc2.c (__terminate_func): Make variable static.
10279 (__terminate_set_func): New function to set __terminate_func.
10280 * libgcc2.h (__terminate_func_ptr): New typedef.
10281 (__terminate_set_func): New function.
10283 2001-01-23 Richard Henderson <rth@redhat.com>
10285 * flow.c (init_propagate_block_info): Don't consider unchanging
10286 memories for dead frame store elimination.
10288 2001-01-23 Richard Henderson <rth@redhat.com>
10290 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10291 * defaults.h: ... here.
10293 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10295 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10297 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10299 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10301 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10303 * rs6000.h (rs6000_return_addr): Move prototype from here...
10304 * rs6000-protos.h (rs6000_return_addr): ...to here.
10305 (rs6000_init_expanders): Delete prototype.
10307 2001-01-23 Nick Clifton <nickc@redhat.com>
10309 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10310 (Spec Files): Document %B and %j and %. and %v3 and %M and
10311 %{S*&T} spec switches.
10313 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10315 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10317 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10318 Neil Booth <neil@daikokuya.demon.co.uk>
10320 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10321 Have -Werror make pedantic warnings errors, like the
10324 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10326 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10328 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10330 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10331 * integrate.c (expand_inline_function): Initialize them.
10332 (subst_constants): If changing COMPARE so that both its arguments
10333 will be VOIDmode and the comparison mode will be lost, note
10334 compare_mode. Use the recorded compare_mode to optimize
10337 2001-01-23 Jason Merrill <jason@redhat.com>
10339 * dwarf2out.c (new_die): Use xcalloc.
10340 (output_die): Abort rather than emit a local reference to offset 0.
10342 2001-01-17 Andrew Haley <aph@redhat.com>
10344 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10345 of a saved register; return NULL instead.
10346 (copy_reg): Take a pointer to a source register rather than a
10348 (next_stack_level): Remember the address in the stack frame of all
10350 Use the saved register pointer array as the source of the CFA.
10351 (throw_helper): Rewrite. Unwind once rather than twice and keep
10352 track of saved registers as we go.
10354 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10356 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10357 * c4x.c (c4x_legitimize_reload_address): Remove.
10358 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10359 reload address for ldp(k) insn.
10361 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10363 * pa.md (return_internal): Add a USE of the PIC register to ensure
10364 it is restored after each call.
10365 (return expander): Corresponding changes.
10367 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10369 * rs6000.h (INIT_EXPANDERS): Delete.
10370 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10371 * rs6000.c (rs6000_override_options): Call *_machine_status from
10373 (rs6000_init_expanders): ...instead of here. Delete.
10374 (rs6000_mark_machine_status): New function.
10375 (rs6000_init_machine_status): Use xcalloc.
10376 (rs6000_return_addr): Generate RTX for the return address.
10377 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10378 (rs6000_stack_info): Use it.
10380 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10382 * gthr-win32.h: Include errno.h to get a declaration for
10383 EINVAL and _mingw.h if the target is mingw32.
10385 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10387 * cpp.texi: Correct typos.
10389 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10391 * explow.c (probe_stack_range): Ensure value passed to
10392 stack_check_libfunc is ptr_mode, not Pmode.
10394 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10396 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10397 case, don't use operand_subword to calculate a SUBREG that is
10400 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10402 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10404 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10405 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10406 valid. If not replace it by equivalent insns.
10408 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10410 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10411 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10412 (c4x_U_constraint, symbolic_address_operand): Likewise.
10413 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10415 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10416 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10417 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10418 anulling slot because of silicon bug.
10419 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10421 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10423 * cppexp.c (parse_charconst): Change `mask' type to agree
10426 2001-01-21 Richard Henderson <rth@redhat.com>
10428 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10429 pic_label_name in a linkonce section.
10431 2001-01-17 Philipp Thomas <pthomas@suse.de>
10433 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10435 * configure: Regenerate.
10437 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10439 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10440 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10442 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10444 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10445 If REVERSE nonzero then condition code in X must be reversed.
10446 (encode_section_info): Optimise if/else.
10447 (avr_function_value): Fix formatting.
10449 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10450 (difficult_branch): Likewise.
10451 (rvbranch): Likewise.
10452 (difficult_rvbranch): Likewise.
10454 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10456 * config/avr/libgcc.S: Fix comment.
10458 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10460 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10462 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10464 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10466 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10468 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10469 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10470 * configure, config.in: Regenerate.
10471 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10472 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10473 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10474 (doprint.o): New rule.
10476 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10478 * c-typeck.c (digest_init): Handle boolean types as scalars.
10480 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10482 * stmt.c (expand_return): Don't return anything if size is zero.
10483 Delete redundant assignment to BYTES.
10484 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10486 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10488 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10489 the same as the default library function names.
10490 * config/avr/avr.md: Document special characters after '%'.
10491 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10492 knowing which of the call-used registers are really clobbered.
10493 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10494 New. Both quotient and remainder from one libgcc.S call.
10495 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10496 clobber as few registers as possible.
10497 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10499 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10501 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10502 context of the top of the stack.
10504 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10506 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10507 (fixup_var_refs_insns): ...here.
10509 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10511 * function.c (fixup_var_refs_insns): Break up into
10512 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10513 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10514 [loop over hash table entries].
10515 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10516 fixup_var_refs_insns_with_hash, to match above changes.
10518 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10520 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10521 (libgcc.a): Likewise.
10522 (stmp-multilib): Likewise.
10523 (STAGE2_FLAGS_TO_PASS): Likewise.
10525 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10527 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10528 temporary if no_new_pseudos.
10530 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10532 * cppinternals.texi: Update.
10534 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10536 * arm.c (arm_init_builtins): Re-enable builtins.
10538 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10540 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10541 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10542 element to be null, and always expect an EXPR_LIST.
10543 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10544 * sched-deps.c (sched_analyze_1): Likewise.
10545 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10547 * regclass.c (max_set_parallel): New variable.
10548 (reg_scan): Take it into account in computation of max_parallel.
10549 (reg_scan_mark_refs, case SET): Compute it.
10551 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10553 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10554 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10556 2001-01-19 Jason Merrill <jason@redhat.com>
10558 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10559 for the abstract instance of an inline function.
10561 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10562 J"orn Rennecke <amylaar@redhat.com>
10564 * reload1.c (move2add_note_store): Treat all registers directly or
10565 indirectly derived from a base register as members of the same set
10567 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10568 of base register into account.
10570 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10572 * alias.c (find_base_value): Recognize TRUNCATE.
10573 (record_set): In PLUS case, invalidate if other summand is also a
10576 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10578 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10579 entry to be EXPR_LIST.
10580 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10581 be an EXPR_LIST (but not null, which other code doesn't allow).
10582 (note_stores): Properly handle PARALLEL in SET.
10583 Recursively call for top-level PARALLEL.
10584 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10585 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10587 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10589 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10591 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10592 not pfile->skipping (== 0).
10594 2001-01-17 Nick Clifton <nickc@redhat.com>
10596 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10599 2001-01-17 Jim Wilson <wilson@redhat.com>
10601 * invoke.texi (IA-64 options): Improve.
10603 2001-01-17 Tom Tromey <tromey@redhat.com>
10605 * invoke.texi (Optimize Options): Use `{}' to around @samp
10608 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10610 * invoke.texi (-fno-guess-branch-probability): New option.
10612 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10614 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10615 case of making new double-word constant.
10616 Revert last change: instead just test i3_subst_into_i2.
10618 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10620 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10621 Use q constraints instead of r.
10623 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10625 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10626 (machine_function): Define.
10627 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10628 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10629 pa_free_machine_status): New functions.
10630 (override_options): Set {init,mark,free}_machine_status to above.
10631 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10632 PIC_OFFSET_TABLE_REGNUM_SAVED.
10633 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10634 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10635 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10636 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10637 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10639 2001-01-15 DJ Delorie <dj@redhat.com>
10641 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10645 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10647 * flow.c (propagate_one_insn): Make trying to delete a prologue
10648 or epilogue insn an ICE, not a warning. Allow doing this if
10649 the current function returns with stack pointer depressed.
10651 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10652 I3 having more than one SET.
10654 2001-01-16 Jim Wilson <wilson@redhat.com>
10656 * invoke.texi: Document IA-64 options.
10658 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10659 (fixup_errata): Delete TARGET_A_STEP use.
10660 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10661 (TARGET_SWITCHES): Delete -ma-step option.
10662 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10663 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10664 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10665 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10666 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10667 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10669 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10670 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10671 cmovsi_internal): Delete ! TARGET_A_STEP check.
10673 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10675 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10676 possibility to report bugs via postal mail. Change a URL and
10677 merge in a nearly duplicate statement...
10678 (Bug Reporting): ...from here.
10679 (Service): Refer to the Bug Reporting section instead of
10680 duplicating an URL.
10681 (Contributing): Remove trivial explanations concerning snapshots.
10683 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10685 * cppmain.c (general_init): Don't use ANSI prototype.
10687 2001-01-16 Tom Tromey <tromey@redhat.com>
10689 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10691 2001-01-16 Richard Henderson <rth@redhat.com>
10693 * config/i386/i386.h: Fix comment typo.
10694 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10695 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10697 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10699 * gcc.c: Revert previous -fsyntax-only-related change; move
10702 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10704 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10705 inmode after checking GET_CODE (op).
10707 2001-01-16 Richard Henderson <rth@redhat.com>
10709 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10710 (MAX_MEM_SET_LIST_LEN): New.
10711 (propagate_one_insn): Update mem_set_list_len.
10712 (invalidate_mems_from_autoinc): Likewise.
10713 (invalidate_mems_from_set): Likewise.
10714 (mark_used_regs): Likewise.
10715 (init_propagate_block_info): Likewise. Stop collecting memories
10716 when we reach MAX_MEM_SET_LIST_LEN.
10717 (mark_set_1): Likewise.
10719 2001-01-16 Richard Henderson <rth@redhat.com>
10721 * unroll.c (precondition_loop_p): Fail if no iteration
10724 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10726 * gcc.c: When -fsyntax-only is given, do not complain about
10729 2001-01-15 Richard Henderson <rth@redhat.com>
10731 * config/i386/i386.c (asm_output_function_prefix): Remove.
10732 (ix86_asm_file_end): New.
10733 (load_pic_register): Generate pic_label_name into a
10734 staticly allocated buffer.
10735 * config/i386/i386-protos.h: Update.
10736 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10737 (ASM_FILE_END): New.
10738 * config/i386/i386afe.h: New file.
10739 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10740 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10741 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10742 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10743 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10744 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10745 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10747 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10749 * Makefile.in (install-man): Remove explicit dependency on
10752 * configure.in, configure: Revert previous patch requiring perl
10755 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10757 * toplev.c (flag_guess_branch_prob): New.
10758 (f_options): Add guess-branch-probability option.
10759 (rest_of_decl_compilation): Only estimate branch probability if
10761 (main): set flag_guess_branch_prob.
10763 * flags.h (flag_guess_branch_prob): New.
10765 2001-01-15 DJ Delorie <dj@redhat.com>
10767 * gcc.texi (Makefile): Add documentation for Makefile targets.
10769 2001-01-15 Philip Blundell <philb@gnu.org>
10771 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10773 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10774 (is_pic): Delete declaration.
10775 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10776 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10777 * config/arm/arm.md (builtin_setjmp_receiver): New.
10779 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10781 * arm.c (use_return_insn): Don't try to determine the function type
10782 until after reload has completed.
10783 (arm_output_epilogue): Don't adjust the sp value recovered from the
10785 (emit_multi_reg_push): Don't record dwarf information for the pc.
10786 * arm.md (eh_epilogue): The function type may have changed, so it
10787 needs to be recalculated.
10788 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10789 unwind tables on arm/netbsd.
10791 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10793 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10794 (negated_cbranchsi4): Likewise.
10796 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10798 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10799 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10800 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10801 pass -mapcs-* options to assembler.
10802 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10803 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10804 (ASM_SPEC): Call subtarget_extra_asm_spec.
10806 2001-01-15 Andreas Jaeger <aj@suse.de>
10808 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10810 (ix86_expand_builtin): Likewise.
10812 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10813 warning about comparison between signed and unsigned.
10815 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10817 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10819 2001-01-14 Ralf Baechle <ralf@gnu.org>
10821 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10822 SUBTARGET_CPP_SPEC apropriatly.
10824 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10826 * varasm.c (make_decl_rtl): Fix typo in last change.
10828 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10830 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10831 linker supports the init_priority C++ attribute.
10832 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10833 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10834 linker does not support init_priority C++ attribute.
10836 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10838 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10840 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10842 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10843 * cp/lex.c (finish_parse): Similarly.
10844 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10845 Return the number of errors encountered.
10846 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10847 * cppmain.c (main): Don't call cpp_destroy.
10849 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10851 * configure.in: Require at least perl 5.6.0 to regenerate
10853 * configure: Regenerate.
10855 2001-01-14 Richard Henderson <rth@redhat.com>
10857 * genrecog.c (DT_veclen_ge): New.
10858 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10859 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10860 (nodes_identical_1): Handle DT_veclen_ge.
10861 (write_cond, debug_decision_2): Likewise.
10863 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10865 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10867 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10869 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10871 * cppmain.c (do_preprocessing): New function; most of the old
10873 (main): Call it to do most of the work.
10874 (cb): Move from global scope to set_callbacks ().
10875 (setup_callbacks): Get the callback pointer.
10876 (general_init, printer_init): Clean up code and comments.
10878 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10880 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10883 2001-01-14 Kazu Hirata <kazu@hxi.com>
10885 * config/h8300/h8300.c (get_shift_alg): Update comments.
10887 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10889 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10890 (alloc_page, ggc_alloc): Add casts to remove warnings.
10892 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10894 * combine.c (simplify_comparison): Don't change `code' when
10895 can't reverse comparison.
10897 2001-01-14 Richard Henderson <rth@redhat.com>
10899 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10900 update all call sites. Return true for all non-label constants.
10902 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10904 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10906 (ix86_expand_branch): Update.
10907 (ix86_expand_setcc): Update to handle multiple test conditions.
10908 (expand_int_movcc): Likewise.
10909 (expand_fp_movcc): Likewise.
10910 * i386-protos.h (ix86_expand_compare): New.
10911 * i386.md (andqi_?_slp, orqi_?_slp): New.
10912 (conditional trap expander): Update call to ix86_expand_compare.
10914 2001-01-14 Richard Henderson <rth@redhat.com>
10916 * config/vax/vax.md: Use nonimmediate_operand instead of
10917 general_operand in destinations.
10919 * config/vax/vax.md (indirect_jump): Use register_operand.
10921 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10922 * config/vax/vax.md (call_pop): Turn into an expander.
10923 (call_value_pop): Likewise.
10924 (call, call_value): New.
10926 2001-01-14 Andreas Jaeger <aj@suse.de>
10928 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10930 (ix86_fp_compare_mode): Add unused attribute.
10931 (ix86_expand_fp_movcc): Remove unused variable.
10932 (ix86_expand_builtin): Make fcode unsigned.
10934 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10935 (expand_expr): Add cast to avoid signed warning.
10936 (store_field): Likewise.
10937 (store_constructor_field): Likewise.
10938 (store_constructor): Likewise.
10939 (store_expr): Likewise.
10940 (clear_storage): Likewise.
10941 (emit_group_store): Likewise.
10942 (emit_group_load): Likewise.
10944 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10946 * c-common.c: Move format checking code to ...
10947 * c-format.c: ... here. New file. Reorder some functions and
10949 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10951 * c-common.h (decl_handle_format_attribute,
10952 decl_handle_format_arg_attribute): Declare.
10953 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10954 (c-common.o): Adjust dependencies.
10955 (c-format.o): New list of dependencies.
10957 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10959 * unroll.c (loop_iterations): If we cannot prove iteration variable
10960 is set once in each iteration, punt.
10962 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10964 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10965 (*strlenhi): Remove clobber (which was buggy) of output address.
10967 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10969 * Makefile.in (generated-manpages): Add gcc.1
10970 ($(srcdir)/gcc.1): New target.
10971 (maintainer-clean): Delete $(srcdir)/gcc.1.
10972 * gcc.texi: Add macros @gccoptlist and @gol.
10973 * invoke.texi: Include option summary in manpage. Mark up option
10974 summary with @gccoptlist and @gol. Use @r in one place where
10976 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10977 * gcc.1: Generate from invoke.texi.
10979 2001-01-13 Richard Henderson <rth@redhat.com>
10981 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10982 (struct page_entry): Add group member.
10983 (struct page_group): New.
10984 (struct globals): Add page_groups member.
10985 (alloc_anon): Only define for using mmap; remove valloc call.
10986 (page_group_index): New.
10987 (set_page_group_in_use): New.
10988 (clear_page_group_in_use): New.
10989 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10990 (free_page, release_pages): Likewise.
10991 * configure.in (with-gc): Default to ggc-page always.
10993 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10995 * reload1.c (replace_pseudos_in_call_usage): Use
10996 reg_equiv_constant and reg_equiv_address, and don't try
10997 regno_reg_rtx first.
10999 2001-01-13 Richard Henderson <rth@redhat.com>
11001 * ggc-page.c (alloc_page): Round up allocation size to one page.
11002 Set e->order on extra pages.
11004 2001-01-13 Richard Henderson <rth@redhat.com>
11006 * genrecog.c (nodes_identical): Expand commentary.
11007 (write_switch): Watch out for identical nodes.
11009 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11011 * cppfiles.c (_cpp_fake_include): New function.
11012 * cpphash.h (_cpp_fake_include): New.
11013 * cpplib.c (do_line): Call _cpp_fake_include when entering
11014 header files in preprocessed input.
11015 * cppmain.c (cb_pragma_implementation): Remove handling.
11016 (setup_callbacks): Don't register pragmas.
11018 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11020 * extend.texi: Udate for CPP.
11022 2001-01-13 Andreas Jaeger <aj@suse.de>
11024 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11026 * regmove.c: Add prototype for replace_in_call_usage.
11028 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11030 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11031 struct cpp_chunk, struct htab, struct toklist,
11032 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11033 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11034 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11035 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11036 (struct macro_args): Delete.
11037 * cpphash.h: See above.
11039 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11041 * cppmain.c (struct printer): Remove no_line_dirs.
11042 (options, cb): New.
11043 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11044 : Use options rather than CPP_OPTION.
11045 (setup_callbacks): Use cb rather than pfile->cb.
11046 (main): No need to check for a buffer. Use cpp_errors.
11047 (printer_init): Don't set no_line_dirs.
11048 (maybe_print_line): Use options not no_line_dirs.
11049 (cb_file_change): Don't call print_line if -P.
11051 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11053 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11055 * c-parse.in (finish_parse): Use cpp_errors.
11056 (__yylex): Use return value of cpp_pop_buffer.
11057 * cp/lex.c (finish_parse): Use cpp_errors.
11058 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11060 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11062 * README.AVR: URLs corrected.
11064 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11066 * c-decl.c (start_function): Don't warn if old prototype is builtin
11067 that's not in C's namespace.
11068 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11069 (_bb): Add prototype for ctime.
11070 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11072 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11074 * i386.c (ix86_fp_comparison_arithmetics_cost,
11075 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11076 ix86_fp_comparison_cost): New functions.
11077 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11078 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11079 two-branch sequences; make static.
11080 (ix86_use_fcomi_compare): Do decision according to the costs.
11081 (split_fp_branch): New.
11082 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11083 * i386-protos.h (ix86_expand_fp_compare): Remove
11084 (ix86_split_fp_branch): Declare.
11086 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11087 and ix86_comparison_operator.
11089 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11090 to make it cheaper.
11092 * i386.c (put_condition_code): Output properly the unordered/ordered
11093 compares in fp case.
11094 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11096 * tm.texi (REVERSE_CONDITION): Document.
11097 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11098 in -ffast-math mode.
11099 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11101 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11103 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11105 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11108 * config/sh/sh.c (mova_p): Fix test for mova_const.
11110 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11112 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11113 cpp_get_options rather than dereferencing pfile and using
11115 * scan-decls.c (scan_decls): Use return value of
11116 cpp_pop_buffer rather than CPP_BUFFER.
11118 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11120 * cppinit.c (cpp_handle_option): help_only is now part of the
11121 cpp_options structure.
11122 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11123 cpp_set_callbacks): New functions.
11124 * cpplib.h (cpp_callbacks): Break out as a named structure.
11125 (cpp_options): Move help_only here from cpp_reader.
11126 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11127 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11128 cpp_set_callbacks): New prototypes.
11129 * cppmain.c (main): Update for help_only.
11131 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11133 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11134 Also build and remove and install and uninstall c-tree.info and
11136 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11137 ($(srcdir)/cppinternals.info): New target.
11138 * c-tree.texi: Change file name used when makeinfo used without -o
11139 from ir.info to c-tree.info. Add info directory entry.
11140 * cppinternals.texi: Add info directory entry.
11141 * .cvsignore: Update.
11143 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11145 * c-typeck.c (store_init_value): Don't require constant initializer
11146 elements with -pedantic -std=c99.
11147 (digest_init): Change error about non-constant initializer elements
11149 (constructor_range_end): Remove.
11150 (constructor_incremental, designator_depth,
11151 designator_errorneous): New variables.
11152 (struct constructor_stack): Remove range_end, add incremental.
11153 (struct constructor_range_stack, constructor_range_stack): New.
11154 (struct initializer_stack): Add constructor_range_stack.
11155 (finish_init): Set it.
11156 (start_init): Likewise. require_constant_elements for non-static
11157 trees only if not flag_isoc99.
11158 (really_start_incremental_init): Remove constructor_range_end, add
11159 constructor_incremental.
11160 (pop_init_level): Likewise.
11161 (push_init_level): Likewise. If implicit and the subobject had some
11162 value set already, preinitialize the level with it.
11163 Warn about missing braces only if not pushing due to designators.
11164 (set_designator, push_range_stack): New functions.
11165 (set_init_label): Use them.
11166 (set_init_index): Likewise. Remove constructor_range_end.
11167 Error if designator index is outside of array bounds.
11168 (add_pending_init): Compare values of purpose index trees, not the
11169 trees themselves. Allow overwriting of already initialized element.
11170 Issue a warning if it had side-effects.
11171 (set_nonincremental_init, set_nonincremental_init_from_string): New
11173 (pending_init_member): Rename to...
11174 (find_init_member): ...this function. Call set_nonincremental_init
11175 if necessary. Compare values of purpose index trees, not the trees
11176 themselves. Return the actual value, not just non-zero if something
11178 (output_init_element): Remove checks for duplicates.
11179 If field has zero size, only check the initializer for correctness.
11180 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11181 if constructor_incremental is zero. Change error about initializers
11182 not computable at load time into pedwarn.
11183 (output_pending_init_elements): Compare bit positions, not
11184 FIELD_DECLs to take into account zero-sized fields.
11185 (process_init_element): Use constructor_range_stack to fill all
11186 ranges in the designator lists from current level up.
11187 * extend.texi: Update documentation for labeled elements.
11189 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11191 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11192 to function usage for arguments passed by reference. Optimize
11193 callee-copied arguments.
11194 * regmove.c (replace_in_call_usage): New function.
11195 (fixup_match_1): Call it.
11196 * cse.c (cse_insn): Canonicalize registers in function usage.
11197 * reload1.c (replace_pseudos_in_call_usage): New function.
11200 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11203 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11205 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11208 2001-01-12 DJ Delorie <dj@redhat.com>
11210 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11211 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11214 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11216 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11217 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11218 -std options alongside references to -ansi. Update some
11219 documentation for C99.
11220 * cpp.1: Regenerate.
11222 2001-01-12 Andreas Jaeger <aj@suse.de>
11224 * haifa-sched.c (restore_line_notes): Remove argument block B
11226 * sched-ebb.c (schedule_ebb): Change caller.
11227 * sched-rgn.c (schedule_region): Likewise.
11228 * sched-int.h (restore_line_notes): Adjust prototype.
11230 * loop.h: Remove wrong declaration of doloop_condition_get.
11232 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11234 * extend.texi: Move C++-extension-related node from the C section
11235 into the C++ section.
11237 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11239 * extend.texi: Refer to an array of pointers to functions instead
11240 of one of functions.
11242 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11243 Jan Hubicka <jh@suse.cz>
11245 * combine.c (reversed_comparison): Fix typo in last patch.
11247 (combine_reversed_comparison_code): Make static to follow
11248 prototype declaration.
11250 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11252 * install.texi: Remove misplaced duplicate entry.
11254 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11256 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11258 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11260 * final.c: (leaf_function_p): Fix typo.
11262 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11264 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11265 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11267 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11268 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11269 mmap_anon, and valloc is available.
11270 * ggc-page.c: Restructure ifdef logic to match new autoconf
11271 spec. Don't throw away the test page in init_ggc.
11273 * configure, config.in: Regenerate.
11275 2001-01-12 Michael Hayes <mhayes@redhat.com>
11277 * loop.h (total_biv_increment): Constify iv_class pointer.
11278 (struct induction): Replace `mem_mode' with `mem' rtx.
11279 * unroll.c (total_biv_increment): Constify iv_class pointer.
11280 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11281 (find_mem_givs, combine_givs_p): Likewise.
11282 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11284 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11286 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11288 (__gthread_getspecific): Ditto.
11290 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11292 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11293 put_condition_code): Convert fp comparison codes to integer
11295 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11298 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11299 * i386-protos.h (no_comparison_operator): Kill.
11301 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11303 * combine.c (REVERSIBLE_CC_MODE): Remove.
11304 (reversible_comparison_p): Remove.
11305 (combine_reversed_comparison_code): New.
11306 (reversed_comparison): New.
11307 (combine_simplify_rtx): Use
11308 combine_reversed_comparison_code/reversed_comparison instead
11309 of reversible_comparison_p.
11310 (simplify_if_then_else): Likewise.
11311 (simplify_set): Likewise.
11312 (simplify_logical): Likewise.
11313 (if_then_else_cond): Likewise.
11314 (known_cond): Likewise.
11315 (simplify_comparison): Likewise.
11317 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11319 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11320 sizeof (int) is larger than sizeof(__word__).
11322 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11324 * cppinit.c (do_includes): Fix typo.
11326 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11328 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11329 in S_REGS does not occur because not all sources are possible
11330 when a S_REGS is a destination (sometimes needs a clobber).
11331 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11332 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11333 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11334 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11335 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11336 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11337 (lshrdi_const1, lshrsi3_const16): Likewise.
11338 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11339 (*movhi_68hc12, *movqi_68hc12): Likewise.
11340 (movstrictqi): Make sure reloading in D_REGS as a destination
11343 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11345 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11347 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11349 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11350 -D, -U and -A, and don't initialize the builtins.
11351 (do_includes): Error if -include or -imacros with -fpreprocessed.
11352 * cppmain.c (cb_define, cb_undef): Unconditionally process
11354 * tradcpp.c (main): Fix typo.
11356 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11358 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11359 (read_name_map): Use IS_ABSOLUTE_PATH.
11360 * tradcpp.c (get_filename): Likewise.
11362 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11364 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11365 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11366 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11367 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11368 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11369 (cmphi_z_used): Don't use '@' for the output.
11370 (tstqi_z_used): Likewise.
11371 (cmpqi_z_used): Likewise.
11372 (one_cmplsi2): Likewise.
11374 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11376 * config/sh/sh.c (barrier_align): Recognize branch around far
11377 branch and redundant insn.
11379 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11381 * invoke.texi: Restore documentation of the drivers' switches -MD
11384 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11386 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11388 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11389 check-objc//%): Support parallel testing of multilibs.
11390 (TESTSUITEDIR): Set to testsuite by default, but override for
11392 (check-gcc, check-g++, check-g77, check-objc): Enter
11395 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11397 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11398 * sched-deps.c (deps_may_trap_p): Likewise.
11399 * basic-block.h: Remove a comment.
11400 * flow.c (PROP_POSTRELOAD): Remove.
11401 (update_life_info): Don't add it to prop_flags.
11402 (mark_set_1): Lose the code that was enabled by it.
11404 2001-01-11 Michael Hayes <mhayes@redhat.com>
11406 * flow.c (flow_call_edges_add): New.
11407 * basic_block.h (flow_call_edges_add): New.
11409 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11411 * reload1.c (move2add_note_store): Update reg_set_luid even if
11412 base reg remains the same.
11414 2001-01-10 Nick Clifton <nickc@redhat.com>
11416 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11417 machine_function structure to zero.
11418 Add prototypes for machine_status functions.
11420 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11422 * c-common.h (CTI_VOID_LIST): Remove.
11423 (void_list_node): Likewise.
11424 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11425 (void_list_node): New macro.
11426 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11427 * config/i386/i386.c (ix86_init_builtins): Likewise.
11428 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11430 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11432 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11433 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11435 * tradcpp.c: Include mkdeps.h.
11436 (deps, print_deps_phony_targets, deps_append, output_deps,
11437 init_dependency_output, output_deps): New.
11438 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11439 deps_output): Delete.
11440 (print_deps_missing_files): Rename deps_missing_files.
11441 (inhibit_output): Make global.
11442 (main): Delete inhibit_output, deps_stream, deps_target.
11443 Use mkdeps functionality in the same way as cpplib. Remove
11444 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11445 -M and -MM. Remove old handling of deps via deps_out, and
11446 old reading of environment variables.
11447 (get_filename): Update to use deps_add_dep.
11449 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11451 * output.h (make_function_rtl): Remove prototype.
11452 (make_decl_rtl): Likewise.
11453 * varasm.c (make_function_rtl): Remove.
11454 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11455 than from a third parameter.
11456 * tree.h (make_decl_rtl): Remove last parameter.
11457 * c-decl.c (builtin_function): Remove last argument in call to
11458 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11459 (start_function): Likewise.
11460 * except.c (call_get_eh_context): Likewise.
11461 * expr.c (emit_block_move): Likewise.
11462 (clear_storage): Likewise.
11463 * profile.c (output_func_start_profiler): Likewise.
11464 * toplev.c (rest_of_decl_compilation): Likewise.
11465 * objc/objc-act.c (create_builtin_decl): Likewise.
11466 (synth_module_prologue): Likewise.
11467 (generate_static_reference): Likewise.
11468 (build_selector_reference_decl): Likewise.
11469 (build_class_reference_decl): Likewise.
11470 (build_objc_string_decl): Likewise.
11471 (build_protocol_reference): Likewise.
11473 2001-01-10 Richard Henderson <rth@redhat.com>
11475 * hwint.h: Revert yesterday's change.
11477 2001-01-10 Nick Clifton <nickc@redhat.com>
11479 * function.h (save_machine_status): Delete.
11480 (restore_machine_status): Delete.
11481 Amend comment describing {init|mark|free}_machine_status.
11483 * function.c (save_machine_status): Delete.
11484 (restore_machine_status): Delete.
11485 Amend comment describing {init|mark|free}_machine_status.
11486 (push_function_context_to): Remove invocation of
11487 save_machine_status.
11488 (pop_function_context_from): Remove invocation of
11489 restore_machine_status.
11491 * emit-rtl.c (init_emit_once): Amend comment describing
11492 {init|mark|free}_machine_status.
11494 * tm.texi (Per-Function Data): New node. Describe the
11495 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11498 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11500 * cppinit.c (OPT_g): Remove.
11501 (cpp_handle_option): Update for removed -g3.
11502 (print_help): Update.
11503 * cpplib.h (struct cpp_options): Remove debug_output.
11504 * cppmain.c (setup_callbacks, cb_define): Update.
11505 * gcc.c (cpp_options): Translate -g3 to -dD.
11507 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11509 * config/i960/i960.md: Change modifier to + on the zero_extract
11510 pattern after the (rotate -2 reg) canonicalization pattern.
11512 2001-01-10 Richard Henderson <rth@redhat.com>
11514 * config/alpha/alpha.c (alpha_free_machine_status): New.
11515 (override_options): Install it.
11516 (alpha_mark_machine_status): Verify machine non-null.
11517 * config/i386/i386.c (ix86_free_machine_status): New.
11518 (override_options): Install it.
11519 (ix86_init_machine_status): Use xcalloc.
11520 (ix86_mark_machine_status): Verify machine non-null.
11521 * config/ia64/ia64.c (ia64_free_machine_status): New.
11522 (ia64_override_options): Install it.
11523 (ia64_mark_machine_status): Verify machine non-null.
11525 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11527 * function.c (instantiate_virtual_regs): Instantiate virtual
11528 registers found in CALL_INSN_FUNCTION_USAGE.
11530 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11532 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11533 equivalent to -ansi in disabling -Di386.
11535 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11537 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11539 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11541 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11543 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11545 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11547 * invoke.texi: Document that -fcond-mismatch isn't supported for
11550 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11552 * gcc.texi: Define macro gcctabopt.
11553 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11554 @command, @env and @option in some places where appropriate. Use
11555 @gcctabopt where appropriate. Put URLs and email addresses inside
11558 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11560 * gcc.c (cpp_options): Set MD file name from output
11561 filename, if specified.
11562 (suffix_subst): New static variable.
11563 (do_spec): Clear it.
11564 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11566 (give_switch): Handle suffix_subst.
11568 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11570 * invoke.texi: Fix another typo.
11572 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11574 * invoke.texi: Fix typo.
11576 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11578 * c-lang.c (lang_hooks): Update.
11579 (lang_decode_option): Remove.
11580 (lang_init_options): Rename c_init_options.
11581 * toplev.c (main): Use lang_hooks for lang_init_options
11582 and lang_decode_option.
11583 * toplev.h (lang_hooks): Add 2 new hooks.
11584 * tree.h: Remove lang_init_options and lang_decode_option.
11585 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11586 * cp/decl2.c: Similarly.
11587 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11588 (lang_hooks): Update.
11589 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11591 (lang_init_options): Rename ffe_init_options.
11592 (lang_hooks): Update.
11593 (lang_decode_option): Remove.
11594 * java/lang.c (lang_init_options): Rename java_init_options.
11595 (lang_decode_option): Rename java_decode_option.
11596 (lang_hooks): Update.
11597 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11598 (lang_decode_option): Rename objc_decode_option.
11599 (lang_hooks): Update.
11601 2001-01-09 Nick Clifton <nickc@redhat.com>
11603 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11604 (d30v_return_addr_rtx): Delete.
11605 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11606 cfun->machine structure.
11607 (struct machine_function): Move to d30v.h
11608 (d30v_save_machine_status): Delete.
11609 (d30v_restore_machine_status): Delete.
11610 (d30v_init_machine_status): New Function.
11611 (d30v_mark_machine_status): New Function.
11612 (d30v_free_machine_status): New Function.
11613 (d30v_init_expanders): Use new functions.
11614 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11615 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11616 d30v_return_addr_rtx.
11618 * config/d30v/d30v.h (struct_machine): Move here.
11619 Add eh_epilogue_sp_ofs field.
11621 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11622 field in cfun->machine structure.
11624 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11626 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11627 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11628 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11630 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11632 * objc/lang-options.h: Remove bogus reference to
11635 2001-01-09 Kazu Hirata <kazu@hxi.com>
11637 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11640 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11642 * reload.c (find_reloads_address): Check for eliminable registers
11643 when substituting a constant expression for a pseudo.
11645 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11647 * c-common.c (enum format_type): Add format_type_error.
11648 (decode_format_type): New function.
11649 (decl_attributes): Use it.
11650 (format_kind_info): Adjust comment.
11652 2001-01-09 David O'Brien <obrien@BSDi.com>
11654 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11655 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11657 * config/i386/gnu.h: Don't include required platform specific .h files,
11658 tm.h will do it instead.
11659 * config/i386/i386elf.h: Likewise.
11660 * config/i386/linux.h: Likewise.
11661 * config/i386/moss.h: Likewise.
11662 * config/mips/gnu.h: Likewise.
11664 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11666 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11667 (rs6000-ibm-aix3.[01]*): Likewise.
11668 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11669 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11670 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11671 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11672 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11673 (powerpc-*-eabiaix*): Likewise.
11674 (powerpc-*-eabisim*): Likewise.
11675 (powerpc-*-elf*): Likewise.
11676 (powerpc-*-eabi*): Likewise.
11677 (powerpc-*-rtems*): Likewise.
11678 (powerpc-*-linux*libc1): Likewise.
11679 (powerpc-*-linux*): Likewise.
11680 (powerpc-wrs-vxworks*): Likewise.
11681 (powerpcle-wrs-vxworks*): Likewise.
11682 (powerpcle-*-sysv*): Likewise.
11683 (powerpcle-*-elf*): Likewise.
11684 (powerpcle-*-eabisim*): Likewise.
11685 (powerpcle-*-eabi*): Likewise.
11686 (powerpcle-*-solaris2*): Likewise.
11687 * config/rs6000/aix31.h: Delete includes.
11688 * config/rs6000/aix3newas.h: Likewise.
11689 * config/rs6000/aix41.h: Likewise.
11690 * config/rs6000/aix43.h: Likewise.
11691 * config/rs6000/beos.h: Likewise.
11692 * config/rs6000/rtems.h: Likewise.
11693 * config/rs6000/sysv4.h: Likewise.
11695 2001-01-09 Kazu Hirata <kazu@hxi.com>
11697 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11698 Change an argument mode of machine_mode to shift_mode of
11699 shift_mode. Remove an extra error check.
11700 (emit_a_shift): Adopt to the new calling prototype of
11702 (function_prologue): Fix code for a monitor
11703 function. Support H8/S.
11704 (function_epilogue): Do not output pop for a monitor function.
11706 2001-01-09 Nick Clifton <nickc@redhat.com>
11708 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11709 (setup_incoming_varargs): Use sysv_varargs_p field of the
11710 cfun->machine structure.
11711 (struct machine_function): Move to rs6000.h
11712 (rs6000_save_machine_status): Delete.
11713 (rs6000_restore_machine_status): Delete.
11714 (rs6000_init_machine_status): New Function.
11715 (rs6000_free_machine_status): New Function.
11716 (rs6000_init_expanders): Use new functions.
11718 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11720 (struct machine_function): Move here.
11722 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11723 sysv_varargs_p field of the cfun->machine structure.
11725 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11727 (rs6000_restore_machine_status): Remove prototype.
11729 2001-01-09 Richard Henderson <rth@redhat.com>
11731 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11732 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11733 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11734 (sched_analyze_2, sched_analyze_insn): Likewise.
11735 (sched_analyze, init_deps): Likewise.
11736 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11737 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11738 (compute_block_backward_dependences): Update propagate_deps call.
11740 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11742 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11744 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11746 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11747 (cpp_handle_option): Handle them.
11748 (cpp_post_options): Ensure one of -M or -MM is specified with
11749 any other -M? option.
11750 (init_dependency_output): Suppress output with -MG.
11752 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11754 * cpp.texi: Update.
11755 * invoke.texi: Update.
11757 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11759 * sh.md (reload_outsf): Generate recognizable patterns for
11762 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11764 * c-lang.c (lang_hooks): Update.
11765 (lang_init): Rename c_init.
11766 (lang_finish): Remove.
11767 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11768 and lang_finish ().
11769 * toplev.h (lang_hooks): Add init () and finish ().
11770 * tree.h (lang_init, lang_finish): Remove.
11771 * cp/tree.h (lang_init, lang_finish): Remove.
11772 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11773 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11775 (lang_init, lang_finish): Remove.
11776 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11777 (lang_hooks): Update.
11778 * java/lang.c (lang_init): Rename java_init.
11779 (lang_finish): Remove.
11780 (lang_hooks): Update.
11781 * objc/objc-act.c (lang_init): Rename objc_init.
11782 (lang_finish): Remove.
11783 (lang_hoooks): Update.
11785 20001-01-09 Graham Stott <grahams@redhat.com>
11787 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11788 after `ptr` is initialised.
11790 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11792 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11793 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11794 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11795 stack adjusts, instead of r3.
11797 2001-01-09 Michael Hayes <mhayes@redhat.com>
11799 * flow.c (flow_loop_scan): Break out of ...
11800 (flow_loops_find) ... here.
11801 * basic-block.h (flow_loop_scan): New.
11802 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11803 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11805 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11807 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11809 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11810 realloc()ing macro_buffer.
11812 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11813 if it's wider than long and the target's long is wider than the
11816 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11818 Remove support for using UWIN as a host machine.
11819 * configure.in: Issue an error message.
11820 * configure: Regenerated.
11821 * config.gcc: Remove xm_* UWIN configury.
11822 * config/i386/xm-uwin.h: Remove.
11824 2001-01-08 Nick Clifton <nickc@redhat.com>
11826 * config/v850/v850.c (ra_rtx): Delete.
11827 (v850_save_machine_status): Delete.
11828 (v850_restore_machine_status): Delete.
11829 (v850_init_machine_status): New function.
11830 (v850_mark_machine_status): New function.
11831 (v850_free_machine_status): New function.
11832 (v850_return_addr): Use ra_rtx field in machine structure.
11833 (v850_init_expanders): Use new functions.
11835 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11836 * config/v850/v850.c: Change arguments to v850_output+* functions
11837 to take a const char *, to avoid compile time warning.
11838 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11839 (USER_LABEL_PREFIX): Redefine.
11841 2000-01-08 Jim Wilson <wilson@redhat.com>
11843 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11844 1 to unsigned HOST_WIDE_INT before left shift.
11846 2001-01-08 Nick Clifton <nickc@redhat.com>
11848 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11849 the machine structure has been allocated.
11850 (arm_free_machine_status): New function: Free the machine
11851 specific function structure.
11853 2001-01-08 Richard Henderson <rth@redhat.com>
11855 * jump.c (simplejump_p): Revert last change.
11857 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11859 * cppinit.c (init): Rename init_library.
11860 (cpp_create_reader): Update.
11861 * gcc.c (cpp_options): If -o given, use it as the target of
11864 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11866 * arm.c (arm_arch5e): New variable.
11867 (all_cores): XScale is a 5TE device.
11868 (arm_override_options): Set arm_arch5e.
11869 (arm_init_builtins): __builtin_prefetch is in arch5e.
11870 * arm.h (arm_arch5e): Declare it.
11872 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11874 * arm.md (define_constants): Add defines for UNSPEC and
11875 UNSPEC_VOLATILE insns. Update all users.
11876 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11877 * arm.c (multi_register_push, note_invalid_constants)
11878 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11879 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11880 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11882 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11884 * jump.c (jump_optimize_1): Use reversed_comparison_code
11885 instead of can_reverse_comparison_p.
11886 (jump_back_p): Likewise.
11887 (invert_exp_1): Likewise.
11888 (thread_jumps): Likewise.
11889 * simplify-rtx.c (simplify_unary_operation): Likewise.
11890 (simplify_ternary_operation): Likewise.
11891 * cse.c (find_comparison_args): Convert to use
11892 can_reverse_comparison_p.
11893 (record_jump_equiv): Likewise.
11895 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11897 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11898 (EPILOGUE_USES): Define.
11899 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11900 automatically stack the LR if it isn't live.
11902 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11904 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11907 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11909 * ggc-page.c (max_alignment): New structure.
11910 (MAX_ALIGNMENT): New macro.
11911 (init_ggc): Use it to round up the sizes in the
11912 extra_order_size_table.
11914 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11916 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11919 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11921 * builtins.def (BUILT_IN_FPRINTF): New entry.
11923 * c-common.c (c_expand_builtin_fprintf): New function.
11924 (init_function_format_info): Handle __builtin_fprintf.
11925 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11926 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11928 * c-decl.c (duplicate_decls): Adjust comment.
11930 * extend.texi (fprintf): Document new builtin.
11932 2001-01-07 Richard Henderson <rth@redhat.com>
11934 * jump.c (simplejump_p): Recognize any single_set jump
11935 of the proper form.
11937 2001-01-07 Richard Henderson <rth@redhat.com>
11939 * configure.in (slibdir): Accept an --with-slibdir option.
11940 Use "test" not "[" in configure. Default to $(libdir).
11942 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11944 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11945 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11946 (SHLIB_LINK): Create links for the soname.
11947 * config/mips/t-iris6: Likewise.
11948 * config/sparc/t-slibgcc: Likewise.
11949 * config/sparc/t-slibgcc-sld: Likewise.
11951 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11953 * config/i386/i386.c (constant_call_address_operand): Accept
11954 (const (plus (symbol_ref) (const_int))).
11955 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11956 constant_call_address_operand.
11958 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11960 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11961 and LONG_LONG_TYPE_SIZE > 32.
11963 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11965 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11966 the previous change.
11968 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11970 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11972 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11973 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11974 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11977 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11979 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11981 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11983 * c-lang.c (c_post_options): Call cpp_post_options.
11984 * objc/objc-act.c (objc_post_options): Similarly.
11985 * cppmain.c (main): Similarly.
11986 * fix-header.c (read_scan_file): Similarly.
11987 * cppinit.c (cpp_start_read): Move option consistency checks
11988 to cpp_post_options. Don't call init_dependency_output.
11989 If needed, add default target and main file dependency.
11990 (OPT_MD, OPT_MMD): Remove.
11992 (cpp_handle_option): Update for OPT_* changes.
11993 (cpp_post_options): New.
11994 (init_dependency_output): Command line -MF overrides environment
11995 variables. Don't set default target etc. Suppress output
11996 if dependencies are going to stdout.
11997 (print_help): Update.
11998 * cpplib.h (cpp_post_options): New.
11999 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12001 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12003 * jump.c (comparison_dominates_p): Support unordered compares.
12005 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12007 * simplify-rtx.c (simplify_relational_operation): Always simplify
12008 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12011 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12013 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12014 (nonzero_bits): Likewise.
12015 (simplify_comparison): Likewise.
12016 (num_sign_bit_copies): Likewise; return more sane value depending
12017 on STORE_FLAG_VALUE.
12018 (known_cond): Do not assume EQ to be always true for equivalent
12021 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12023 * cse.c (fold_rtx): Handle unordered comparisons.
12025 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12027 * rtlanal.c (set_of_1): New static function.
12028 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12029 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12030 reg_set_last_last_regno): Remove.
12031 (set_of): New global function.
12032 (set_of_data): New structure.
12033 (reg_set_p, reg_set_last): Revamp for set_of.
12034 * rtl.h (set_of): New.
12036 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12038 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12039 * extend.texi: Document _Exit builtin.
12041 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12043 * (initialize, initialize_builtins,
12044 initialize_dependency_output, initialize_standard_includes):
12045 Rename s/initialize/init. Update.
12046 (init_dependency_output): Move to after
12047 cpp_handle_options, the correct location temporally at least.
12048 (opt_comp): Move next to init (), its caller. Fix prototype.
12049 (init): Make "initialized" local scope.
12050 (cpp_create_reader): Always call init ().
12051 (cpp_start_read): Update.
12052 (output_deps): New function, broken out of cpp_finish.
12053 (cpp_finish): Break out output_deps.
12055 2001-01-07 Richard Henderson <rth@redhat.com>
12057 * collect2.c (COFF specific stuff): Revert 12-06 patch
12058 to prototype system functions.
12060 2001-01-07 Michael Hayes <mhayes@redhat.com>
12062 * hard-reg-set.h: Add multiple include guard.
12063 * basic-block.h (struct loop): Add `sink' field.
12064 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12065 (emit_iv_add_mult): Delete.
12066 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12067 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12068 (unroll_loop): Remove end_insert_before argument.
12069 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12070 (maybe_eliminate_biv_1): Likewise.
12071 (emit_iv_add_mult): Delete.
12072 (gen_add_mult, loop_regs_update): New.
12073 (loop_insn_emit_after, loop_insn_emit_before): New.
12074 (loop_insn_sink, loop_insn_sink_or_swim): New.
12075 (emit_iv_add_mult): Delete.
12076 (scan_loop): Set loop->sink.
12077 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12078 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12079 (maybe_eliminate_biv_1): Likewise.
12080 (maybe_eliminate_biv_1): Add basic block argument.
12081 * unroll.c (unroll_loop): Remove end_insert_before argument.
12082 (find_splittable_regs): Likewise.
12083 (find_splittable_regs): Use loop_insn_sink and its ilk.
12084 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12086 2001-01-07 Michael Hayes <mhayes@redhat.com>
12088 * loop.h (loop_insn_hoist): New prototype.
12089 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12090 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12091 (check_dbra_loop, load_mems): Likewise.
12092 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12093 (find_splittable_givs): Likewise.
12095 2001-01-07 Michael Hayes <mhayes@redhat.com>
12097 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12099 2001-01-07 Richard Henderson <rth@redhat.com>
12101 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12103 2001-01-07 Richard Henderson <rth@redhat.com>
12105 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12106 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12107 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12108 variant that handles a shared libgcc.
12109 (process_command): Always validate -{static,shared}-libgcc.
12110 (do_spec_1): New 'M' case.
12111 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12113 2001-01-07 Richard Henderson <rth@redhat.com>
12115 * Makefile.in (slibdir): New variable.
12116 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12117 (installdirs): Create slibdir.
12118 (install-libgcc, install-multilib): Defer to libgcc.mk.
12119 * configure.in (slibdir): Substitute.
12120 * mklibgcc.in (install): New target.
12122 * config/t-linux (SHLIB_LINK): Create links for the soname.
12123 (SHLIB_INSTALL): New.
12124 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12125 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12126 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12127 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12128 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12130 2001-01-07 Richard Henderson <rth@redhat.com>
12132 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12133 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12134 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12136 2001-01-07 Michael Hayes <mhayes@redhat.com>
12138 * loop.c (count_loop_regs_set): Delete.
12139 (load_mems_and_recount_loop_regs_set): Delete.
12140 (loop_regs_scan): Merge common code from count_loop_regs_set,
12141 scan_loop, and load_mems_and_recount_loop_regs_set.
12142 (scan_loop): Call load_mems directly and loop_regs_scan
12143 again if new registers created.
12145 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12147 * toplev.c (main): Call the front-end specific post_options
12148 hook if one is given.
12149 * toplev.h (struct_lang_hooks, lang_hooks): New.
12150 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12151 for the C front end.
12152 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12153 lang_hooks for the C++ front end.
12154 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12155 lang_hooks for the ObjC front end.
12156 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12157 * java/lang.c (lang_hooks): Hooks for the Java front end.
12159 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12161 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12162 for verbose DWARF[2] debugging.
12163 (cb_define, cb_undef): The new callbacks.
12164 * toplev.h (debug_define, debug_undef): Make const correct.
12165 * toplev.c (debug_define, debug_undef): Similarly. Do not
12166 perform the verbosity tests here anymore.
12168 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12170 * reload.c (subst_reloads): Take INSN argument. When
12171 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12172 * reload.h (subst_reloads): Adjust prototype.
12173 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12174 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12175 present in JUMP_INSNs and copy them to JUMP_LABEL.
12176 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12177 JUMP_INSNs and insns with REG_LABELs that are followed by
12178 JUMP_INSNs with the same REG_LABEL.
12179 * sched-rgn.c (is_cfg_nonregular): Likewise.
12180 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12182 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12184 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12186 2001-01-06 Richard Henderson <rth@redhat.com>
12188 * loop.c (scan_loop): Use xcalloc for the regs array.
12189 (load_mems_and_recount_loop_regs_set): Zero the new memory
12190 received from xrealloc.
12192 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12194 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12196 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12198 * integrate.c (copy_rtx_and_substitute): When copying
12199 an ignored return value, strip REG_FUNCTION_VALUE_P.
12201 2001-01-06 Michael Hayes <mhayes@redhat.com>
12203 * loop.c (debug_biv, debug_giv): New.
12204 (loop_biv_dump): Break out from ...
12205 (record_biv): ... here.
12206 (loop_giv_dump): Break out from ...
12207 (record_giv): ... here.
12208 (loop_bivs_check): Use print_simple_rtl.
12209 * unroll.c (loop_iterations): Use print_simple_rtl.
12211 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12213 * pa.md (return, return_internal): Modify patterns to prevent regrename
12214 mucking with the return pointer.
12216 2001-01-05 Richard Henderson <rth@redhat.com>
12218 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12220 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12222 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12223 version supplied by Matteo Frigo.
12225 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12227 * cpp.texi: Update for -MQ.
12228 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12229 (cpp_cleanup): Always free pfile->deps.
12230 (initialize_dependency_output): Don't create pfile->deps.
12231 (cpp_handle_option): Similarly.
12233 * gcc.c (cpp_options): Handle -MQ.
12234 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12235 * mkdeps.c (base_name): Remove.
12236 (deps_init): Don't allocate vector space until it's needed.
12237 (deps_free): Only free vectors if allocated.
12238 (deps_add_target, deps_add_dep): Update for initial allocation.
12239 (deps_add_default_target): Don't strip to the base_name.
12241 2001-01-05 DJ Delorie <dj@redhat.com>
12243 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12244 (INIT_EXPANDERS): Define.
12246 * config/v850/v850.c (struct machine_function): Define.
12247 (v850_save_machine_status): New function.
12248 (v850_restore_machine_status): New function.
12249 (v850_return_addr): New function.
12250 (v850_init_expanders): New function.
12252 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12253 and v850_init_expanders.
12255 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12257 * cpplib.h (struct cpp_reader): Add help_only field.
12258 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12259 (cpp_handle_option): Set pfile->help_only if we see -h,
12260 --help, -target-help, or --version. Print version string but
12261 do not set help_only if we see -v or -version. Make text
12262 printed by -v match that printed by (-)-version.
12264 * cppmain.c (main): Exit after option parsing if
12265 pfile->help_only is true.
12267 * toplev.c (independent_decode_option): Call print_version,
12268 then exit, if we see --version (but not -version).
12269 (print_version): Split lengthy message into two lines.
12271 2001-01-05 Nick Clifton <nickc@redhat.com>
12273 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12274 temporary string for initialisation before calling ggc_alloc_string.
12276 2001-01-06 Michael Hayes <mhayes@redhat.com>
12278 * rtl.h (print_simple_rtl): New.
12279 * print-rtl.c (print_simple_rtl): New.
12280 (flag_simple): New.
12281 (print_rtx): Disable printing of flags and modes, etc.,
12282 if `flag_simple` nonzero.
12284 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12286 * function.c (fixup_var_refs): Use push_to_full_sequence where
12289 2001-01-05 Michael Meissner <meissner@redhat.com>
12291 * flags.h (flag_reorder_blocks): Add declaration.
12292 (flag_rename_block): Ditto.
12294 2001-01-05 DJ Delorie <dj@redhat.com>
12296 * function.c (reorder_blocks): Make sure the flags are all reset
12297 before using them to mark blocks, else a second invocation will
12298 corrupt the block chain.
12299 (reorder_blocks_0): New, resets the flags.
12301 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12303 * cse.c (find_comparison_args): Stop if the argument is known to
12306 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12308 * config/sh/sh.md (movdf): When splitting load into pair of
12309 registers, don't clobber the register used in the address too
12312 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12314 * varasm.c (mark_constant_pool): Improve initial comments.
12315 (mark_constants): Move marking of constants to mark_constant.
12316 (mark_constant): New function to recursively mark all constants
12317 referred to by a constant.
12319 2001-01-05 Catherine Moore <clm@redhat.com>
12321 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12323 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12325 * cp/lang-options.h: Bring comment in line with reality.
12326 * f/lang-options.h: Likewise.
12327 * java/lang-options.h: Likewise.
12328 * objc/lang-options.h: Likewise.
12329 * ch/lang-options.h: Likewise.
12330 * f/g77.texi: And update the manual.
12332 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12333 Denis Chertykov <denisc@overta.ru>
12335 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12336 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12337 * config/avr/avr.md (all peepholes that request a scratch register):
12338 Call it, FAIL the peephole if not safe (in interrupt functions).
12340 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12342 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12344 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12346 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12348 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12349 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12350 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12351 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12352 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12354 * extend.texi: Document these builtins.
12356 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12358 * c-common.c (lang_get_alias_set): Say we know nothing of
12359 VECTOR_TYPE aliasing.
12361 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12363 2001-01-05 Bruce Korb <bkorb@gnu.org>
12365 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12366 their x* equivalent versions for atexit-less systems
12367 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12368 systems (or any other system any more).
12370 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12372 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12373 output operands. Use arm_hard_register_operand for operand 4.
12374 (stmsi_postinc): Similarly.
12375 (ldmsi): Use arm_hard_register_operand for opernand 2.
12376 (stmsi): Similarly.
12377 * arm.c (arm_hard_register_operand): New function.
12378 * arm-protos.h (arm_hard_register_operand): Prototype it.
12380 * arm.h (HARD_REGNO_RENAME_OK): Define.
12382 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12384 * simplify-rtx.c (cfc_args): add "unordered" field.
12385 (check_fold_consts): Set unordered field.
12386 (simplify_relational_operation): Simplify the unordered
12389 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12392 * emit-rtl.c (try_split): Fix code to mark labels.
12393 * jump.c (mark_jump_label): Make global.
12394 * rtl.h (mark_jump_label): Declare.
12396 * predict.c (estimate_probability): Handle unordred comparisons.
12398 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12400 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12401 * cppinit.c (initialize_dependency_output): Update.
12402 (cpp_finish): Output dummy targets for -MP.
12404 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12405 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12406 * gcc.c (cpp_options): Update to handle -MP.
12407 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12408 to quote only the default target.
12409 (deps_phony_targets): Insert a preceding newline. Rename from
12410 deps_dummy_targets for consistency.
12413 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12415 * calls.c (emit_library_call_value_1): Support
12416 INIT_CUMULATIVE_LIBCALL_ARGS.
12417 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12419 2001-01-04 Richard Henderson <rth@redhat.com>
12421 * c-decl.c (finish_struct): Detect flexible array members
12422 used in an inappropriate context.
12423 * c-typeck.c (really_start_incremental_init): Special case
12424 constructor_max_index for zero length arrays.
12425 (pop_init_level): Allow initialization of flexible array
12426 members. Deprecate initialization of zero length arrays.
12427 Don't issue missing initializer warning for flexible array
12428 members or zero length arrays.
12429 (process_init_element): Don't dereference null DECL_SIZE.
12430 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12431 Don't abort for empty constructors. Use size_binop
12432 (output_constructor): Add commentary regarding zero length
12433 array futures. Abort if we try to initialize an array of
12434 unspecified length with a non-empty constructor in the middle
12437 * extend.texi (Zero Length): Update and clarify documentation
12438 on static initialization.
12440 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12442 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12443 with more than 32767 words of local storage.
12445 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12447 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12448 for 'abs', 'labs', and 'fabs'.
12449 (c4x_expand_builtin): Likewise.
12450 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12452 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12454 * config/sh/sh.md (prget, prset): New insn types.
12455 (return delay slot): Dont' allow prset.
12456 (call, sfunc delay slot): Don't allow prget.
12457 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12458 for prset and prget.
12460 2001-01-05 Michael Hayes <mhayes@redhat.com>
12462 * loop.h (struct loop_reg): New.
12463 (struct loop_regs): Change to use array of `struct loop_reg'.
12464 * loop.c: Replace assortment of varrays with single regs array.
12465 (count_one_set): Delete may_not_move array argument
12466 and use regs array instead. All caller's changed.
12467 (count_loop_regs_set): Delete may_not_move and single_usage
12468 arguments and use regs array instead. All caller's changed.
12469 (find_single_use_in_loop): Replace usage array argument with pointer
12470 to regs structure. All caller's changed.
12471 (loop_optimize): Delete `moved_once' array.
12473 2001-01-05 Michael Hayes <mhayes@redhat.com>
12475 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12476 Use it instead of loop_info->has_call for scanning loop mems.
12477 (check_dbra_loop): Replace loop_info->has_call test with
12478 loop_info->has_nonconst_call.
12480 2000-01-04 Matthew Hiller <hiller@redhat.com>
12482 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12485 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12487 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12488 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12490 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12492 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12493 (flag_short_double, flag_short_wchar): Define.
12494 (c_common_nodes_and_builtins): Create many tree nodes shared
12495 between C and C++ here instead of in cp/decl.c and ...
12496 * c-decl.c (init_decl_processing): ... here.
12497 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12498 (flag_short_double, flag_short_wchar): Don't define.
12499 (record_builtin_type): New function.
12500 (build_void_list_node): New function.
12501 * c-common.h (flag_short_double, flag_short_wchar,
12502 record_builtin_type, build_void_list_node): Declare.
12504 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12506 * integrate.c (expand_inline_function): Don't put a virtual
12507 register into the reg map.
12509 * function.c (fixup_var_refs_1): If force_operand didn't put
12510 the address into the target, move it there.
12512 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12514 Special-case tree_decl/tree_list allocations.
12515 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12516 (OBJECT_SIZE): New macro.
12517 (NUM_EXTRA_ORDER): Likewise.
12518 (extra_order_size_table): New variable.
12519 (NUM_ORDERS): New macro.
12520 (objects_per_page_table): New variable.
12521 (object_size_table): New variable.
12522 (G.pages): Use NUM_ORDERS to bound the array.
12523 (G.page_tails): Likewise.
12524 (DIV_ROUND_UP): Remove.
12525 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12526 (alloc_page): Use OBJECT_SIZE.
12527 (size_lookup): Don't make it const.
12528 (ggc_alloc): Use OBJECT_SIZE.
12529 (ggc_set_mark): Likewise.
12530 (ggc_get_size): Likewise.
12531 (init_ggc): Set up the object_size_table, objects_per_page_table,
12532 and adjust size_lookup.
12533 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12534 (ggc_pop_context): Use NUM_ORDERS.
12535 (clear_marks): Likewise.
12536 (sweep_pages): Likewise.
12537 (poison_pages): Likewise.
12538 (ggc_print_statistics): Use OBJECT_SIZE.
12540 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12542 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12543 Only call array_size_for_constructor if last field and array type
12544 with no upper bound.
12546 2001-01-04 Philip Blundell <philb@gnu.org>
12548 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12549 from bit 31 downwards, if this requires no more insns.
12550 (count_insns_for_constant): New helper function for above.
12552 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12554 * gencodes.c (output_predicate_decls): Remove empty initializer.
12556 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12558 * tree.c (copy_node): Remove documentation about obstacks.
12559 (buidl1): Check that nobody tries to build 2-argument nodes this
12562 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12564 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12567 * gencodes.c (output_predicate_decls): Fill empty initializer
12570 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12572 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12573 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12575 (do_include): Handle missing headers like cpp0.
12576 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12577 paths with first include pathname. Don't strcat to uninitialized
12580 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12582 * regrename.c (regrename_optimize): Don't rename from frame pointer
12583 if frame_pointer_needed.
12584 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12585 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12586 (ia64_reorg): Use it instead of scheduling if ! optimize.
12587 (errata_emit_nops): Properly call asm_noperands.
12588 (ia64_sched_reorder): Finish cycle if we see an asm.
12589 (ia64_variable_issue): Clear scheduling state after asms.
12591 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12593 * cpp.texi: Update for -MT.
12594 * cppinit.c (initialize_dependency_output): Add a default
12595 target if none has been given already.
12596 (no_tgt, OPT_MT): New.
12597 (cpp_handle_option): Handle -MT. Update -M etc.
12598 * cpplib.h (struct cpp_options): Remove deps_target.
12599 * gcc.c (cpp_options): Handle -MT.
12600 * mkdeps.c (struct deps): Move from mkdeps.h.
12601 (deps_calc_target): Rename deps_add_default_target. Add a
12602 default target if none has been specified already.
12603 * mkdeps.h (struct deps): Move to mkdeps.c.
12604 (deps_calc_target): Rename deps_add_default_target.
12606 2000-01-03 Richard Henderson <rth@redhat.com>
12608 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12610 * c-typeck.c (push_init_level): Move checks for flexible array
12611 members and zero length arrays ...
12612 (pop_init_level): ... here. Silently discard empty initializations.
12614 * varasm.c (output_constructor): Update for sizeof change to
12615 zero-length arrays.
12617 * extend.texi (Zero Length): Clarify semantics.
12619 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12621 * configure.in (tm.h): Include isns-codes.h last.
12622 * configure: Rebuilt.
12624 2001-01-03 Richard Henderson <rth@redhat.com>
12626 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12627 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12629 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12631 * tradcpp.c (main): Make sure finclude() is called with a valid
12632 indepth value while handling -include.
12634 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12636 * gencodes.c (output_predicate_decls): New function.
12638 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12639 even if it is not the first time machmode.h is #included.
12640 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12641 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12642 * gcc.texi (Copyright): Added 2001.
12644 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12646 * c-common.c (c_common_lang_init): New function. Warn if format
12647 warning options which only have effects when used with -Wformat
12648 are used without -Wformat.
12649 * c-common.h (c_common_lang_init): Declare.
12650 * c-lang.c (lang_init): Call c_common_lang_init.
12651 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12653 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12655 * configure.in: Check for the mktemp command.
12656 * configure: Regenerate.
12657 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12658 $TEMP. Create temporary files with mktemp, if available at
12659 configure time; otherwise use set -C. Remove temporary files
12662 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12664 * configure.in: Require at least texinfo 4.0. Check for whether
12665 Pod::Man is sufficiently recent to regenerate GCC manpages.
12666 * configure: Regenerate.
12667 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12669 (GENERATED_MANPAGES): Define.
12670 (generated-manpages): New target. Depend on cpp.1 as well as
12672 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12673 configure to generated-manpages or empty) rather than on the
12674 manpages directly. Remove execute permission from installed
12675 gcov.1 as well as cpp.1.
12676 * cpp.1, gcov.1: Regenerate.
12678 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12680 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12681 tree_low_cst. Allow using cmpstrsi in more cases.
12683 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12685 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12688 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12690 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12691 * Makefile.in (HOST_CFLAGS): Mention build-make.
12693 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12695 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12698 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12700 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12703 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12706 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12707 reg_base_value and reg_known_value arrays.
12708 (init_alias_analysis): Add more cases to detect known values.
12709 * sched-deps.c (deps_may_trap_p): New function.
12710 (sched_analyze_2): Use it.
12712 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12714 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12715 don't discard an ASHIFTRT if we're shifting in a wider mode.
12717 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12719 * toplev.c (rest_of_compilation): Don't print basic block information
12720 when CFG isn't up to date.
12722 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12724 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12725 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12726 (UNALIGNED_SHORT_ASM_OP): Define.
12727 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12729 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12731 * fold-const.c (fold_convert): Fix typo.
12733 2001-01-02 Richard Henderson <rth@redhat.com>
12735 * c-common.h (ASM_INPUT_P): New.
12736 * c-parse.in (asm): Set it when needed.
12737 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12738 existance of an operand.
12740 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12742 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12743 (dwarf2out_frame_debug_expr): Likewise.
12744 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12746 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12748 * i386.c (ix86_split_to_parts): Return number of part required;
12750 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12752 (ix86_split_long_move): Use number of part returned
12753 by ix86_split_to_parts
12754 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12756 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12757 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12758 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12759 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12760 (ALIGN_MODE_128): Add TFmode.
12761 (IS_STACK_MODE): Likewise.
12762 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12763 (HARD_REGNO_OK): Support TFmodes.
12764 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12765 * i386.md (scheduler definitions): Use memory operand to determine
12766 fst/fld instructions; use mode attribute to determine real mode of
12768 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12769 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12771 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12773 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12775 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12777 * expr.c (store_constructor_field): Update ALIGN before calling
12780 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12782 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12785 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12787 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12790 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12792 * c-decl.c (start_function): Don't warn on third parameter to main.
12794 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12796 * tsystem.h: Define HAVE_DECL_GETOPT.
12798 2001-01-02 Philip Blundell <pb@futuretv.com>
12800 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12803 2001-01-02 Richard Henderson <rth@redhat.com>
12805 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12807 2001-01-02 Andreas Jaeger <aj@suse.de>
12809 * c-decl.c (c_decode_option): Remove support of
12810 -Wmissing-noreturn.
12812 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12813 (W_options): Add -Wmissing-noreturn here.
12815 * flow.c: Define lang_missing_noreturn_ok_p.
12816 (check_function_return_warnings): Use it.
12818 * c-common.h: Declare lang_missing_noreturn_ok_p.
12820 * c-lang.c (c_missing_noreturn_ok_p): New function.
12821 (lang_init): Set lang_missing_noreturn_ok_p.
12823 * invoke.texi (Warning Options): Document this.
12825 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12827 * extend.texi (C++ Extensions): New node for C++ attributes;
12828 describe init_priority and com_interface.
12829 * invoke.texi: Remove -finit-priority as it now has zero effect.
12830 * install.texi: Fix xref syntax.
12831 * md.texi: Likewise.
12833 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12835 * config.gcc (sparc64-wrs-vxworks*): New case.
12836 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12838 * config/sparc/sparc.c (sparc_override_options): Do support different
12839 pointer and architecture size.
12840 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12841 (POINTERS_EXTEND_UNSIGNED): Define.
12842 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12843 (FUNCTION_MODE): Define to be Pmode.
12844 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12846 * function.c (expand_function_end): Properly handle DECL_RESULT
12847 and copy when ptr_mode != Pmode.
12848 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12850 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12852 * c-common.c (c_common_nodes_and_builtins): Set prototype
12853 parameters for __builtin_fputs, __builtin_fputc and
12854 __builtin_fwrite. Don't declare plain fputc as a builtin.
12856 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12858 * loop.c (add_label_notes): Increment the label usage count when
12859 a note is added to an insn which refers to a CODE_LABEL.
12860 * gcse.c (add_label_notes): Likewise.
12862 2001-01-01 Andreas Jaeger <aj@suse.de>
12864 * loop.c (scan_loop): Use xmalloc to allocate movables.
12866 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12868 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12869 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12870 * reload1.c (REGISTER_MOVE_COST): Likewise.
12871 * regclass.c (REGISTER_MOVE_COST): Likewise.
12872 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12873 dimension. Adjust all users.
12874 (init_reg_sets_1): Iterate on all modes.
12875 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12876 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12877 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12878 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12879 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12880 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12881 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12882 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12883 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12884 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12885 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12886 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12887 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12888 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12889 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12890 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12891 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12892 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12893 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12894 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12895 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12896 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12897 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12898 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12899 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12900 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12901 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12903 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12905 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12906 arg VARIES_P. Call it with extra arg.
12907 (true_dependence): Likewise.
12908 * rtl.h (rtx_addr_can_trap_p): Declare.
12909 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12911 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12912 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12913 pic offset table register if it's zero. All callers changed.
12914 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12916 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12918 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12919 STRING_POOL_ADDRESS_P.
12921 * config/sparc/sparc.c (input_operand): Properly test for short op.
12923 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12924 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12925 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12926 * config/sparc/elf.h: No longer include sol2.h.
12927 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12928 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12930 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12932 2001-01-01 Michael Hayes <mhayes@redhat.com>
12934 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12935 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12936 (record_initial): Likewise.
12937 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12938 (remap_split_bivs): Likewise.
12940 2001-01-01 Michael Hayes <mhayes@redhat.com>
12942 * loop.c (loop_ivs_free): New function.
12943 (strength_reduce): Break out from...
12945 2001-01-01 Michael Hayes <mhayes@redhat.com>
12947 * loop.h (struct iv): New.
12948 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12949 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12950 'reg_biv_class' fields with 'regs' and 'n_regs'.
12951 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12952 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12953 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12955 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12957 * resource.c (mark_referenced_resources): Abort() before
12958 attempting to mark a pseudo register.
12959 (mark_set_resources): Likewise.
12961 2001-01-01 Michael Hayes <mhayes@redhat.com>
12963 * loop.h (REG_IV_CLASS): New accessor macro.
12964 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12965 * unroll.c (REG_IV_CLASS): Likewise.
12967 See ChangeLog.4 for earlier changes.