1 2001-06-11 Richard Henderson <rth@redhat.com>
3 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
4 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
5 (struct machine_function): Add gp_save_rtx.
6 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
7 (alpha_gp_save_rtx): New.
8 * config/alpha/alpha-protos.h: Declare it.
9 * config/alpha/alpha.md (exception_receiver): Make an expander.
10 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
12 2001-06-11 Richard Henderson <rth@redhat.com>
14 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
16 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18 * configure.in: Align --help messages.
19 Remove trailing full stops.
20 Consistently use lower case.
24 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
27 variants for .cpp/.cp/.c++ files.
28 Move definition of __LANGUAGE_C_PLUS_PLUS ...
29 (CPLUSPLUS_CPP_SPEC): ... here.
31 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
33 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
35 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
37 * c-decl.c (store_parm_decls): When comparing types in an
38 old-style function declaration with those from a previous
39 prototype, compare the unqualified versions of parameter types.
42 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
44 * doc/objc.texi: Use more logical markup. Use TeX dashes.
46 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
48 * doc/c-tree.texi: Use more logical markup.
50 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
52 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
54 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
56 * loop.c (scan_loop): Do not combine asm statements.
58 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
60 * simplify-rtx.c (simplify_subreg): Fix offset calculation
61 for complex values within a CONCAT.
63 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
65 * doc/install.texi: Update details of what components are included
66 in the GCC distribution. Update default directory for g++
67 includes. Update documentation relating to old libio. Adjust
68 documentation on DejaGnu environment variables. Remove
69 documentation of --enable-cpplib.
71 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
73 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
76 2001-06-10 Richard Henderson <rth@redhat.com>
78 * ifcvt.c (life_data_ok): New.
79 (merge_if_block): Use it to determine whether to update
83 2001-06-10 Richard Henderson <rth@redhat.com>
85 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
87 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
89 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
90 (SH Options): Document -mieee.
91 * doc/install.texi (Final install): Remove obsolete information
92 about installing cross compilers.
95 2001-06-10 Richard Henderson <rth@redhat.com>
97 * config/alpha/alpha.c (override_options): Set align_loops,
98 align_jumps, and align_functions.
99 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
100 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
102 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
104 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
105 are one and two words in size.
107 2001-06-10 Richard Henderson <rth@redhat.com>
109 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
110 (Code Generation Options): Document -fnon-call-exceptions.
112 2001-06-10 Mark Kettenis <kettenis@gnu.org>
114 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
116 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
118 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
120 2001-06-10 Mark Mitchell <mark@codesourcery.com>
121 Gabriel Dos Reis <gdr@codesourcery.com>
123 * Makefile.in (c-parse.o): Depend on diagnostic.h
124 (dwarf2out.o): Likewise.
126 * dwarf2out.c: #include diagnostic.h
128 * toplev.h (warningcount, errorcount, sorrycount): Remove
131 * toplev.c (warningcount, errorcount, sorrycount): Remove
134 * diagnostic.h (struct output_buffer): Reorder fields.
135 (diagnostic_kind_count): New macro.
136 (errorcount, warningcount, sorrycount): Define as macros.
137 (diagnostic_report_warnings_p): New macro.
138 (output_state): Add diagnostic_count field.
140 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
141 Remove tentative declaration.
142 (count_error): Use diagnostic_report_warnings_p.
144 * c-parse.in: #include diagnostic.h
146 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
148 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
149 prefer a memory for operand 1.
150 ("*addsi3"): Fix constraints, the '!' was too strong.
151 ("*addsi3_split"): Accept soft register and split accordingly.
153 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
155 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
156 Move definition in the RTX_CODE section.
158 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
160 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
161 address as relative to the argument pointer.
163 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
165 * predict.def (PRED_OPCODE): Place before call and error_return.
167 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
169 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
170 * predict.c (estimate_probability): Calculate dominance
171 information; improve detection of NORETURN heuristics;
172 add call/error_return heuiristics; tweak comparison heuristics
175 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
177 * doc/invoke.texi (C Dialect Options): Document -aux-info.
178 (Debugging Options): Document -print-multi-directory and
180 * doc/gcc.1: Rebuilt.
182 * toplev.c (independent_decode_option): Require `=' between
183 `-aux-info' and filename in the same argument.
184 * gcc.c: Don't pass -aux-info=filename twice.
186 2001-06-09 Mark Mitchell <mark@codesourcery.com>
188 * expr.c (expand_expr, case ARRAY_REF): Do not replace
189 an array element with the known initializing value if it has
192 * toplev.c (rest_of_compilation): Remove dead code before
195 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
197 * cppinit.c (print_help): Document -fpreprocessed.
198 * invoke.texi: Similarly.
200 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
202 * predict.def: New file.
203 * predict.h: New file.
204 * predict.c: Include predict.h.
205 (predictor_info): New structure and array.
206 (predict_edge, predict_insn): Rewrite; make global.
207 (predict_edge_def, predict_insn_def): New global functions.
208 (dump_prediction, combine_predictions_for_insns): New
210 (estimate_probability): Change calls to predict_edge
211 to predict_edge_def and calls to predict_insn to predict_insn_def;
212 combine probabilities.
213 (expected_value_to_br_prob): Behave as predictor.
214 * rtl.h (REG_BR_PRED): Update coment.
215 (invert_br_probabilities): New.
216 * jump.c: Include predict.h
217 (duplicate_loop_exit_test): Drop branch prediction notes.
218 (invert_jump): Use invert_br_probabilities.
219 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
220 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
221 * combine.c (distribute_notes): Handle BR_PRED.
223 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
225 * predict.c (predict_insn, predict_edge): New static functions.
226 (estimate_probability): Revamp to use new functions;
227 fix loop header heruistics; add loop exist heruistics
229 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
231 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
233 2001-06-09 Peter Jakubek <pjak@snafu.de>
235 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
237 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
239 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
240 for integer operations that don't update C bit.
242 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
244 * gthr-posix.h (__gthread_objc_init_thread_system): If
245 pthread_key_create fails, it's not clear what the return value is.
246 This obvious fix makes sure it always returns -1 if a problem
249 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
251 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
252 more index entries. Use more logical markup where appropriate.
253 Use TeX quotes and dashes.
255 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
257 * unwind-pe.h: Conditionally qualify references to abort with
260 2001-06-09 Julian Foad <julian_foad@hotmail.com>
262 * doc/invoke.texi: Remove superfluous text.
264 2001-06-08 Richard Henderson <rth@redhat.com>
266 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
267 (LIB_SPEC): Mirror config/linux.h version.
269 2001-06-08 Richard Henderson <rth@redhat.com>
271 * except.c (get_exception_pointer, get_exception_filter): Take a
272 struct function. Update all callers.
273 * except.h (get_exception_pointer): Update declaration.
274 * expr.c (expand_expr): Update get_exception_pointer call.
275 * integrate.c (expand_inline_function): Remap the exception pointer
276 from callee to caller.
278 2001-06-08 Mark Mitchell <mark@codesourcery.com>
280 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
281 accurately reflect its cv-qualification.
282 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
283 cv-qualifiers on function types.
285 2001-06-08 Mark Mitchell <mark@codesourcery.com>
287 * basic-block.h: Improve comments.
288 * except.c (expand_eh_region_end_allowed): Remove redundant call
289 to do_pending_stack_adjust.
290 * flow.c (life_analysis): Fix typo in comment.
291 (calculate_global_regs_live): Add documentation.
292 (mark_set_1): Likewise.
293 (debug_regset): Likewise.
294 * doc/rtl.texi (cond_exec): Document it.
296 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
298 * i386.h (CONST_COSTS): set cost of constants representable in
299 immediate fields to 0.
301 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
303 * function.c (diddle_return_value): Kill code to determine
304 return value before expand_function_end.
305 (expand_function_end): Delay call to clobber_return_register
306 after fucntion return value is computed.
308 Re-install temporary reverted patch:
309 * toplev.c (rest_of_compilation): Call split_all_insns
310 before reg-stack and shorten-branches. Do shorten-branches
312 * final.c (shorten_branches): Remove insn splitting code.
314 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
316 * doc/gcc.texi, doc/invoke.texi: Add index of command line
317 options. Use @opindex to index them rather than other indexing
318 commands. Use @var{...} instead of <...>. Avoid spaces in names
319 inside @var. Don't use @kindex to index escape sequences in
322 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
324 * stmt.c (current_nesting_level): New fn.
325 * tree.h: Declare it.
326 * c-semantics.c (genrtl_compound_stmt): Use it.
328 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
330 2001-06-08 Jakub Jelinek <jakub@redhat.com>
332 * jump.c (mark_modified_reg): Allow jump threading if condition
333 codes are represented by a hard register.
335 2001-06-08 Jakub Jelinek <jakub@redhat.com>
337 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
338 for complex floats passed to unprototyped functions.
340 2001-06-08 Mark Mitchell <mark@codesourcery.com>
342 * except.c (expand_eh_region_end_allowed): Call
343 do_pending_stack_adjust as necessary.
345 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
347 * function.c (clobber_return_register): Clobber the pseudo return
350 * sibcall.c (skip_unreturned_value): New function.
351 (call_ends_block_p): Use it.
353 * recog.c (split_insn): Break out from ...
354 (split_all_insns): ... here; do not use basic block information
357 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
359 * simplify-rtx.c (simplify_subreg): Fix verification of
362 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
364 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
365 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
366 Move definition of _LANGUAGE_C_PLUS_PLUS ...
367 (CPLUSPLUS_CPP_SPEC): ... here.
368 Fixes PRs c++/3047, target/441.
370 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
372 * doc/install.texi2html (MAKEINFO): Keep value if set already.
374 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
376 * doc/gcc.texi: Add trailing slash to URL.
378 2001-06-07 Stan Shebs <shebs@apple.com>
380 * config/darwin.h (ENCODE_SECTION_INFO): Define.
381 (REDO_SECTION_INFO_P): Ditto.
382 (STRIP_NAME_ENCODING): Ditto.
383 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
384 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
385 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
386 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
387 * config/darwin.c: No longer include c-tree.h.
388 (machopic_classify_ident): Rewrite to use symbol encoding.
389 (lookup_name_darwin): Remove.
390 (machopic_non_lazy_ptr_name): Handle encoded symbols.
391 (machopic_stub_name): Use STRIP_NAME_ENCODING.
392 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
393 (machopic_finish): Ditto, remove test of decl.
394 (update_non_lazy_ptrs): New function.
395 (darwin_encode_section_info): New function.
396 * config/darwin-protos.h: Declare it.
397 * config/rs6000/rs6000.c (machopic_output_stub): Use
400 2001-06-07 Mark Mitchell <mark@codesourcery.com>
402 * tree.h (DECL_SOURCE_FILE): Improve documentation.
403 (DECL_SOURCE_LINE): Likewise.
405 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
407 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
410 2001-06-07 Phil Edwards <pme@sources.redhat.com>
412 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
413 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
415 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
417 * doc/contrib.texi: Add copyright notice.
419 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
421 * doc/md.texi: Use four digit years in copyright notice.
423 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
425 * config.gcc: For $target_alias of athlon-*, set
426 target_cpu_default2=5.
428 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
430 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
431 end of last block if last real insn is a JUMP_INSN.
433 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
437 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
439 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
440 pthread_t to objc_thread_t.
441 (__gthread_objc_thread_id): Likewise.
443 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
445 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
446 (ASM_OLDAS_SPEC): Likewise.
448 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
449 (CPP_SUBTARGET_SPEC): Use it.
450 (ASM_OLDAS_SPEC): Define.
452 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
454 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
456 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
459 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
461 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
462 Document use of N_(...), and show it in examples. Note that
463 documentation should be added to invoke.texi. Avoid an overfull
466 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
468 * toplev.c (rest_of_compilation): Revert previous patch.
469 * final.c (shorten_branches): Likewise.
471 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
473 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
476 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
478 * doc/install-old.texi: Remove more obsolete documentation.
480 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
482 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
484 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
486 * toplev.c (rest_of_compilation): Call split_all_insns
487 before reg-stack and shorten-branches. Do shorten-branches
489 * final.c (shorten_branches): Remove insn splitting code.
491 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
493 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
494 * configure: Rebuilt.
496 2001-06-07 Andreas Jaeger <aj@suse.de>
498 * emit-rtl.c (operand_subword): Remove unused variable.
500 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
502 * i386.md (floatdi?f): Avoid usinf of SSE instructions
503 if TARGET_64BIT is false.
504 (floatdi?f_i386_only): New insn.
505 (floatdi?f_i386): Disable for !TARGET_64BIT.
507 * (min?f, max?f splitters): Handle case where
508 operands are cross-matched.
510 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
511 (MMX_REGISTER_NAMES): Kill.
512 (PRINT_OPERAND): Fix comment.
513 (PRINT_REG): Likewise.
514 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
515 (print_operand): Update comment; kill 'm'.
517 * i386.c (x86_branch_hints): New global variable
518 (print_operand): Support outputting of branch prediction hints.
519 * i386.md (conditional jump patterns): Add branch prediction hints
521 * i386.h (x86_branch_hints): Declare
522 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
523 (PRINT_OPERAND_FUNCT_VALID_P): New.
524 * final.c (final_forward_branch_p): New function.
526 2001-06-06 Richard Henderson <rth@redhat.com>
528 * flow.c (mark_used_reg): Clean up looping over multiple hard
529 registers. Do conditional life bits across multiple hard regs.
531 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
533 * reload1.c (reload): Revert Schmidt's change so all USEs are not
534 deleted during reload.
536 2001-06-05 Mark Mitchell <mark@codesourcery.com>
538 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
539 functions here, instead of ...
540 * c-decl.c (c_expand_body): ... here.
542 2001-06-05 David O'Brien <obrien@FreeBSD.org>
544 * config.gcc, config/sparc/bsd.h: Do not directly include
545 sparc/sparc.h. Instead do it via tm_file.
547 2001-06-05 Richard Henderson <rth@redhat.com>
549 * dwarf2.h (DW_EH_PE_aligned): New.
550 * dwarf2asm.c (eh_data_format_name): Name it.
551 (dw2_asm_output_encoded_addr_rtx): Align for it.
552 * dwarf2out.c (output_call_frame_info): Handle it for personality
553 routine and LSDA pointers.
555 * unwind-pe.h (DW_EH_PE_aligned): New.
556 (base_of_encoded_value): Handle it.
557 (read_encoded_value_with_base): Likewise.
558 * unwind-dw2-fde.c (base_from_object): Likewise.
559 (get_cie_encoding): Likewise.
561 * config/alpha/elf.h: Remove ecoff commentary.
562 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
564 2001-06-05 David O'Brien <obrien@FreeBSD.org>
566 * config.gcc, config/i386/bsd386.h: Do not directly include
567 i386/386bsd.h. Instead do it via tm_file.
569 2001-06-05 David O'Brien <obrien@FreeBSD.org>
571 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
574 2001-06-05 Pascal Obry <obry@act-europe.fr>
576 * configure.in: Quote $enable_win32_registry in case the value has
580 2001-06-05 Mark Mitchell <mark@codesourcery.com>
582 * print-rtl.c (xspaces): Remove.
583 (print_rtx): Use printf field-width, rather than xpsaces, to
585 * toplev.c (main): Disable sibling-call optimization if we are
588 2001-06-05 Bernd Schmidt <bernds@redhat.com>
590 * reload1.c (reload): Delete all USEs generated during reload.
592 2001-06-05 scott snyder <snyder@fnal.gov>
594 * gccbug.in: Fix typo.
596 2001-06-05 Andreas Jaeger <aj@suse.de>
598 * builtins.def: Fix definition of __builtin_cosf, it uses float as
599 parameter and return value.
601 2001-06-04 Anthony Green <green@redhat.com>
603 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
604 machine. This is now done in sparc.h.
606 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
608 Correct CVS resurrection of invoke.texi.
609 * doc/invoke.texi: Document new tree dump flags.
611 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
613 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
614 for casting an aggregate to its own type. Fixes PR c/2735.
616 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
618 * doc/texinfo.tex: Update to version 2001-05-24.08.
620 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
622 * c-common.h (flag_dump_translation_unit): Remove.
623 (enum tree_dump_index): Define.
624 (TDF_ADDRESS, TDF_SLIM): New #defines.
625 (dump_node_to_file): Remove.
626 (dump_node): Make extern. Add flags.
627 (dump_flag, dump_enabled_p, dump_begin, dump_end,
628 dump_switch_p): Prototype.
629 * c-common.c (flag_dump_translation_unit): Remove.
630 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
631 logic. Use dump_switch_p.
632 * c-dump.h (struct dump_info): Add node and user fields.
633 (dump_pointer): Declare.
634 * c-dump.c (dump_node): Make extern. Add flags.
635 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
636 (dump_new_line, dump_maybe_newline): Use them.
637 (dump_pointer): New function.
638 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
639 chain or function's body. Dump address, if TDF_ADDRESS set.
641 (dump_node_to_file): Remove.
642 (struct dump_file_info): New struct.
643 (dump_files): New array.
644 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
645 * c-lang.c (finish_file): Adjust dumping.
646 * toplev.h (dump_base_name): Make extern.
647 * invoke.texi: Document new flags.
649 2001-06-04 Mark Mitchell <mark@codesourcery.com>
651 * c-tree.h (lang_decl): Add pending_sizes fields.
652 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
654 (c_expand_body): Expand them.
655 (lang_mark_tree): Mark lang_decl:pending_sizes.
656 * function.c (expand_pending_sizes): New function, broken out
658 (expand_function_start): ... here.
659 * tree.h (expand_pending_sizes): Declare it.
661 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
663 * doc/install.texi: Update FreeBSD information. Generalize
664 and update information for alpha-based platforms using ELF.
666 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
668 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
669 (store_parm_decls): Likewise.
670 * c-typeck.c (convert_arguments): Likewise.
672 2001-06-04 Richard Henderson <rth@redhat.com>
674 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
675 optimization if current_function_calls_setjmp.
677 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
679 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
682 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
684 * simplify-rtx.c (simplify_subreg): Fix combining of
687 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
689 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
690 (no_labels_between_p): Short circuit case beg==end.
692 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
694 * rtlanal.c (operand_preference): Fix preference for objects.
696 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
698 * gcse.c (handle_avail_expr): Be prepared to handle single_set
701 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
703 * combine.c (if_then_else_cond): Use simplify_subreg instead
705 * integreate.c (sub_constants): Likewise.
707 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
709 * emit-rtl.c (constant_subword): Deprecate; remove most of code
710 and use simplify_gen_subreg.
712 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
714 * sibcall.c (skip_copy_to_return_value): recognize the situation
715 when the called function's return value is copied into an
716 intermediate pseudo, and then into the calling functions return
719 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
721 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
722 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
723 in case register wasn't OK previously, accept it now; allow
724 subregs of frame pointer if reload completed and frame pointer
727 * combine.c (sombine_simplify_rtx): Fix comment;
728 use subreg_lowpart_offset instead of subreg_lowpart_p
729 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
730 * rtl.h (subreg_lowpart_parts_p): Kill.
731 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
732 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
733 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
734 (gen_lowpart_common): Likewise.
735 (subreg_lowpart_p): Likewise.
736 (subreg_lowpart_parts_p): Kill.
737 (subreg_lowpart_offset, subreg_highpart_offset): New function.
739 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
740 to simplify SUBREG and REG.
741 (gen_highpart): Use simplify_gen_subreg for all simplifications.
743 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
746 * rtlanal.c (replace_regs): Use simplify_gen_subreg
748 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
750 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
751 (ARRAY_RANGE_REF): Added description.
753 * tree.def (ARRAY_RANGE_REF): New code.
754 * alias.c (handled_component_p, can_address_p): Handle it.
755 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
756 * explow.c (set_mem_attributes): Likewise.
757 * expr.c (expand_assignment, get_inner_reference): Likewise.
758 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
759 * fold-const.c (operand_equal_p): Likewise.
760 * tree.c (staticp, stabilize_reference): Likewise.
761 * varasm.c (decode_addr_const): Likewise.
763 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
765 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
766 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
768 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
770 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
771 mark_constant_pool_use before output_addr_const.
772 (struct pool_node): New field wend.
773 (add_constant): Note a sequence of constants that are referenced
775 (pool_window_label, pool_window_last): New variables.
776 (dump_table): Emit a unspec_volatile representing the end of a
777 sequence of constants.
778 (mark_constant_pool_use): New function.
779 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
780 (consttable_2): Add the second operand which flags whether
781 this consttable entry was used or not.
782 (consttable_4, consttable_8, consttable_sf, consttable_df):
784 (consttable_window_end): New insn.
786 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
788 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
789 Reformat according to coding standards.
792 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
793 (shl_and_kind): Cast wide constant.
794 (gen_far_branch): Define as static, as in declaration.
795 (barrier_align): Compute cache-line length as unsigned. Add
796 parentheses in initial credit computation.
797 (rounded_frame_size): Add parentheses.
798 (permanent_obstack): Remove declaration. Include ggc.h for
799 declaration of ggc_add_root_rtx().
800 (get_free_reg): Removed declaration of unused variable reg.
801 (legitimize_pic_address): Mark mode argument as unused.
803 2001-06-03 Igor Shevlyakov <igor@windriver.com>
805 * config/sh/sh.c (output_branch): Support for insn with lenght
806 attr 12 & 16 which represents cond branches outside +-4096 range.
808 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
810 * config/sh/lib1funcs.asm (ic_invalidate): Align the
811 cache-mirroring sequence. Add nops.
813 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
815 * doc/install-old.texi: Remove more old installation
817 * doc/install.texi: Add relevant parts here.
819 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
821 * doc/install.texi2html: New script.
823 2001-06-03 David Edelsohn <edelsohn@gnu.org>
825 * doc/install.texi: Update AIX information again.
827 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
829 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
830 installation documentation.
831 * doc/install.texi: Move it to here.
833 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
835 * doc/install.texi: Clean up Texinfo markup.
837 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
839 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
840 to just after title page.
842 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
844 * doc/install-old.texi: Remove documentation of some configuration
846 * doc/install.texi: Add relevant parts of this documentation here.
848 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
850 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
851 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
853 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
855 * i386.md (all uses of ext_register_operand): Make sure they are
856 VOIDmode; replace all uses outside zero_extend.
857 (and?i splitters): Use ext_register_operands.
858 (test?i peep2): Remove ignored constraints.
859 * i386.c (ext_register_operand): Check that operand is
860 eighter pseudo or hard or 'Q' register.
862 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
864 * tree.h (struct record_layout_info_s): New field unpadded_align.
865 (set_lang_adjust_rli): New declaration.
866 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
867 it would have if not packed, do not downgrade DECL_ALIGN.
868 (lang_adjust_rli, set_lang_adjust_rli): New.
869 (start_record_layout): Initialize new field unpadded_align.
870 (debug_rli): Display it.
871 (place_union_field, place_field): Set it.
872 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
874 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
875 mean that; use proper names instead.
876 Print DECL_NO_STATIC_CHAIN.
878 * except.c (expand_builtin_frob_return_addr): Add missing call
879 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
880 (expand_builtin_eh_return): Likewise.
881 (expand_eh_return): Clean up ptr_mode != Pmode cases.
883 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
885 * doc/invoke.texi: Remove references to papers about sequence points
886 to readings.html, refer to that page.
888 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
890 * README: Update references to installation instructions.
892 2001-06-01 Laurent Guerby <guerby@acm.org>
893 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
895 * doc/install.texi: Define srcdir when sources come from CVS.
896 Significantly improve markup. Wrap overly long lines
898 2001-06-01 DJ Delorie <dj@redhat.com>
900 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
901 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
902 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
903 gcov.1: Move to doc subdirectory.
904 * install.texi: Move to doc/install-old.texi.
905 * gcc.texi: Move to doc, refer to install-old.texi.
906 * Makefile.in: Reflect move of docs to doc/.
907 * f/Make-lang.in: Ditto.
908 * java/Make-lang.in: Ditto.
909 * doc/.cvsignore: New.
911 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
913 * invoke.texi: use two spaces between command options, eliminate
914 some 'overfull hboxes'
916 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
918 * Makefile.in (s-mlib): Make backtick-commands always succeed.
919 (DRIVER_DEFINES): Ditto.
921 2001-05-31 Richard Henderson <rth@redhat.com>
923 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
924 also link against libgcc.a.
926 2001-05-31 Geoff Keating <geoffk@cygnus.com>
928 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
929 * config/mips/mips.c (mips_output_ascii): New function.
930 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
932 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
934 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
936 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
937 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
939 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
941 * install.texi (Configuration): Add html links for --with-gnu-as &
942 --with-gnu-ld and refer to them from hppa & SCO triplets.
943 (Specific): Link back to with-gnu-ld for all ELF platfoms.
944 (Specific): Reword AVR binutils recommendation.
946 2001-05-30 Zack Weinberg <zackw@stanford.edu>
948 * ggc-page.c (size_lookup): Increase minimum allocation size
950 (ggc_print_statistics): Report size of each bin in bytes, not
951 as its order; there is no longer a direct relationship.
953 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
955 * extend.texi: Fix formating of examples, eliminate some
957 * gcc.texi: Eliminate some 'overfull hboxes'.
958 * invoke.texi: Use two spaces between command options, eliminate
959 some 'overfull hboxes'.
961 2001-05-30 Richard Henderson <rth@redhat.com>
963 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
965 2001-05-30 Tom Tromey <tromey@redhat.com>
967 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
968 use it in the new association.
970 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
971 John David Anglin <dave@hiauly1.hia.nrc.ca>
973 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
974 to target type to allow ISO C++ compiler to accept it.
975 * gthr-dce.h (__gthread_active_ptr): Likewise.
976 * gthr-solaris.h (__gthread_active_ptr): Likewise.
978 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
980 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
981 so that we do accept comments in preprocessed input.
983 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
985 * cpphash.c (alloc_node): Cast allocated pointer.
987 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
989 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
991 2001-05-29 Stan Shebs <shebs@apple.com>
993 * gcc.texi: Add links for information about Objective-C.
995 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
997 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
998 /bin/sed fails on [^\"]).
999 (configargs.h): Likewise.
1001 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1003 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1005 2001-05-28 Stan Shebs <shebs@apple.com>
1007 * objc/objc.gperf: Remove, no longer used.
1009 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1011 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1012 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1013 Remove trailing whitespace.
1015 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1017 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1018 became http://freeware.sgi.com/.
1020 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1022 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1025 2001-05-27 Stan Shebs <shebs@apple.com>
1027 * objc/objc-act.c: Add/fix various comments.
1028 (init_selector): Remove, no longer used.
1029 (build_msg_pool_reference): Ditto.
1030 (objc_debug): Ditto.
1032 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1034 * c-decl.c (init_decl_processing):
1035 Don't call start_identifier_warnings.
1036 * flags.h (warn_id_clash, id_clash_len): Remove.
1037 * stringpool.c: Don't include flags.h.
1038 (scan_for_clashes, do_identifier_warnings,
1039 start_identifier_warnings): Remove.
1040 * toplev.c (warn_id_clash, id_clash_len): Remove.
1041 (display_help): Don't document -Wid-clash.
1042 (decode_W_option): Print warning on -Wid-clash.
1043 * tree.h (start_identifier_warnings): Remove.
1044 * invoke.texi: Remove documentation of -Wid-clash.
1046 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1048 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1050 2001-05-27 Bruce Korb <bkorb@gnu.org>
1052 * fixinc/check.tpl(HACK) add and use a Scheme variable
1053 (has no test text): error out if no "test_text" is defined
1054 * fixinc/fixincl.tpl: likewise
1055 (FIXIDX): make it an enumeration so we minimize diffs
1056 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1057 * fixinc/fixincl.x: regenerate
1058 * fixinc/tests/base/stdio.h: test output got moved due to
1060 * README-fixinc: rewrite (mostly)
1062 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1064 * cpplib.c (run_directive): Set pfile->directive.
1066 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1068 * c-tree.texi: Reformat the manual as a single chapter now
1069 included by gcc.texi.
1070 * gcc.texi: Include c-tree.texi. Merge all indexes.
1071 * Makefile.in (dvi): Add generation for the cppinternals
1072 documentation. Added dependencies on fdl.texi and c-tree.texi
1073 where appropriate. Use TEXI2DVI instead of custom tex calls.
1074 (info): Added dependencies on fdl.texi and c-tree.texi where
1075 appropriate. Remove the target c-tree.info.
1077 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1079 * combine.c (try_combine): Fix typo in comment.
1080 * expr.c (expand_expr): Likewise.
1081 * config/i370/i370.md (untyped_call): Likewise.
1083 2001-05-26 Bruce Korb <bkorb@gnu.org>
1085 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1086 when fixincl is operating in test mode
1087 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1088 (AAB_ultrix_limits): remove redundant text
1089 (AAB_ultrix_memory): ditto
1090 (AAB_ultrix_string): ditto
1091 (djgpp_wchar_h): fix the test text
1092 (irix_stdio_va_list): add test text
1093 (irix_limits_const): add a testing output file (limits.h is overwritten)
1094 (strict_ansi_not_ctd): put limits.h second in list for same reason
1095 (solaris27_mutex_init): test text needed selection text, too
1097 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1098 when fixincl is operating in test mode
1100 2001-05-26 Philip Blundell <philb@gnu.org>
1102 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1103 * config/i960/i960-protos.h: Likewise.
1104 * config/i370/i370-protos.h: Likewise.
1105 * config/h8300/h8300-protos.h: Likewise,
1106 * config/sh/sh-protos.h: Likewise.
1107 * config/v850/v850-protos.h: Likewise.
1109 2001-05-26 Philip Blundell <philb@gnu.org>
1111 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1113 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1115 * toplev.c (debug_args, f_options, W_options): Mark
1116 descriptions for translation.
1117 (display_help): Translate descriptions on output.
1119 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1120 objc/lang-options.h: Mark descriptions for translation.
1122 * aclocal.m4: Quote final argument of patsubst. Use
1123 3-argument form of AC_DEFINE. Restore quotes to [] while
1125 * configure.in: Remove unnecessary changequote calls.
1126 * configure, config.in: Regenerate.
1128 2001-05-25 Sam TH <sam@uchicago.edu>
1130 * basic-block.h: Fix header include guards.
1131 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1132 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1133 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1134 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1135 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1136 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1137 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1138 varray.h version.h: Likewise.
1139 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1140 config/arm/arm.h config/c4x/c4x-protos.h
1141 config/h8300/h8300-protos.h config/h8300/h8300.h
1142 config/i370/i370-protos.h config/i370/i370.h
1143 config/i960/i960-protos.h config/mcore/mcore.h
1144 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1145 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1146 * fixinc/fixlib.h fixinc/server.h: Likewise.
1148 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1150 * config/arc/initfini.c (.init): Fix typo.
1152 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1154 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1156 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1158 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1160 2001-05-25 Richard Henderson <rth@redhat.com>
1162 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1164 2001-05-25 Richard Henderson <rth@redhat.com>
1166 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1167 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1168 (sparc*-*-solaris2): Likewise.
1169 * config/t-linux: Remove shared libgcc macros.
1170 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1171 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1173 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1175 * config.gcc (*-*-freebsd*): Report bad configuration.
1177 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1179 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1181 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1183 (ASM_OUTPUT_LABELREF): Delete.
1185 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1187 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1188 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1189 * fixinc/fixincl.x: Regenerate.
1190 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1191 (FIX_TEST_TABLE): Declare it.
1192 * fixinc/fixlib.h: Include config.h.
1194 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1196 * fixinc/inclhack.def (alpha___assert): Change char * args to
1197 const char * on Tru64 UNIX to avoid excessive warnings from
1199 * fixinc/fixincl.x: Regenerate.
1201 2001-05-25 Geoff Keating <geoffk@redhat.com>
1203 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1204 outputting a tag only for variable-size records.
1206 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1208 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1209 instead of rtx_equal_p for early clobber test.
1211 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1213 * builtins.def: Encode additional information, such as names and
1215 * builtin-types.def: New file.
1216 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1217 (built_in_decls): Likewise. Don't explicitly initialize global
1219 (expand_builtin_mathfn): Handle float and long double variants of
1221 (expand_builtin): Likewise.
1222 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1223 (expand_tree_builtin): Handle long, long long, float, and long
1224 double variants of math functions.
1225 * c-common.h (c_tree_index): Remove some unused nodes.
1226 (void_ftype): Remove.
1227 (void_type_ptr): Likewise.
1228 (int_ftype_int): Likewise.
1229 (ptr_ftype_sizetype): Likewise.
1230 * c-decl.c (init_decl_processing): Remove creation of DWARF
1232 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1233 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1234 * Makefile.in (c-common.o): Depend on builtin-types.def.
1236 2001-05-25 Dale Johannesen <dalej@apple.com>
1238 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1240 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1242 * c-parse.in (notype_initdcl): Remove redundant line.
1244 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1246 * aclocal.m4: Fixed typo.
1247 (gcc_AC_HEADER_STDBOOL): Define.
1248 (gcc_AC_C__BOOL): Define.
1249 * configure.in: Use them.
1250 (AC_CHECK_HEADERS): Remove stdbool.h
1251 * configure, config.in: Regenerate.
1253 2001-05-25 Richard Henderson <rth@redhat.com>
1255 * function.c (expand_function_start): Don't abort on PARALLEL
1256 returns from hard_function_value.
1258 2001-05-25 Richard Henderson <rth@redhat.com>
1260 * config/i386/i386.md: Revert previous change. Do not apply
1261 the peephole if the components do not die after the sequence.
1263 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1265 * c-parse.in (array_declarator): New. Handle C99 constructs.
1266 Don't restrict [*] declarators to C only.
1267 (after_type_declarator, parm_declarator_starttypename,
1268 parm_declarator_nostarttypename, notype_declarator,
1269 direct_absdcl1): Use it.
1270 * c-decl.c (build_array_declarator, set_array_declarator_type):
1271 New functions. Warn that [*] isn't properly implemented; pedwarn
1272 for [*] outside C99 mode if pedantic rather than giving a hard
1274 (grokdeclarator): Handle static and type qualifiers in parameter
1276 * c-tree.h (build_array_declarator, set_array_declarator_type):
1278 * extend.texi (Attribute Syntax): Document attributes in parameter
1281 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1283 * config/i386/i386.md: Make sure cmpstr peepholes do not
1284 affect liveness information.
1286 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1288 * c-typeck.c (digest_init): Issue error messages about
1289 invalid constants, not warnings.
1291 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1293 * invoke.texi (-fno-builtin): Document that this is always on
1296 2001-05-24 Philip Blundell <philb@gnu.org>
1298 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1301 2001-05-24 Philip Blundell <philb@gnu.org>
1303 * config/arm/arm.c (output_return_instruction): Correctly handle
1304 interworking and interrupt functions.
1306 2001-05-24 Philip Blundell <philb@gnu.org>
1308 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1309 -m{no-}sched-prolog. Fix typos and improve formatting.
1311 2001-05-24 Philip Blundell <philb@gnu.org>
1313 * invoke.texi (ARM Options): Improve wording slightly. Add
1314 documentation for more options, including those for Thumb mode.
1315 Don't mention options that don't exist or are unimplemented.
1316 (Thumb Options): Delete; merged into above section.
1318 2001-05-24 Geoff Keating <geoffk@redhat.com>
1320 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1321 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1323 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1325 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1326 fix hard register simplification.
1328 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1330 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1331 of just copying CPP_CPU_SPEC.
1333 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1335 * i386.c (incdec_operand): Accept only 1 and -1.
1337 2001-05-23 Kelley Cook <kelley.cook@home.com>
1339 * Makefile.in: Move many of the *_H definitions eariler in the
1340 file, so that rules in t-* files that use them for
1341 dependencies will work in a parallel build.
1342 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1344 2001-05-23 Richard Henderson <rth@redhat.com>
1346 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1348 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1350 * cpp.texi: Update for handling of charconsts.
1351 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1352 diagnostics. Skip to the end if the UCS is too short.
1353 (cpp_interpret_charconst): Long charconsts issue a warning
1356 2001-05-23 Richard Henderson <rth@redhat.com>
1358 * doc/install.texi (alpha-linux): Require binutils 2.11.
1360 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1362 * c-lex.c (read_escape, read_ucs): Delete.
1363 (lex_string): Use cpp_parse_escape.
1364 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1365 if not C++ or not C99. Warn if traditional.
1366 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1367 unsigned. Warn for out-of-range escape sequences here.
1368 Update to use maybe_read_ucs.
1369 (cpp_interpret_charconst): Don't warn here.
1370 * cpplib.h (cpp_parse_escape): New exported function.
1372 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1374 * extend.texi (Attribute Syntax): Clarify application of
1375 attributes to parameters declared as functions or arrays.
1377 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1379 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1381 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1383 * diagnostic.c (vnotice): Kill.
1384 (fnotice): Call vfprintf directly.
1385 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1386 verbatim, set_diagnostic_context): Rename string argument to
1387 indicate that it is run through gettext.
1388 (vbuild_message_string, build_message_string, output_do_printf):
1389 Rename string argument to indicate that it is NOT run through
1391 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1392 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1393 Run msgid argument through gettext.
1394 (default_print_error_function): Run constant strings through
1395 gettext when nothing else will.
1396 (fatal_error, internal_error, error_recursion): Use fnotice.
1397 Present complete sentences to gettext.
1399 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1401 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1403 2001-05-23 Richard Henderson <rth@redhat.com>
1405 * function.c (expand_function_start): Always use a pseudo
1406 for the function result value.
1408 2001-05-22 Richard Henderson <rth@redhat.com>
1410 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1411 section pointer alignment.
1413 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1415 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1416 of __USER_LABEL_PREFIX__.
1418 2001-05-22 Richard Henderson <rth@redhat.com>
1420 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1421 (__deregister_frame_info_bases): New.
1422 * unwind-dw2-fde.h: Declare it.
1423 * libgcc-std.ver: Export it.
1424 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1425 called __register_frame_info_bases.
1427 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1429 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1430 instead of #elif (which is OK for this case but not in general).
1432 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1434 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1435 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1436 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1437 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1438 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1440 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1441 David O'Brien <obrien@freebsd.org>
1443 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1444 configure-time options and target version of FreeBSD. Set-up
1445 to match architectural change in threading support. Correctly
1446 report when -pthread option is not supported by configure-time
1448 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1449 and extend to encode target version number in run-time setting
1450 of __FreeBSD__ macro to match the system compiler.
1451 (CPP_PREDEFINES): Likewise.
1452 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1454 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1455 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1457 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1458 David O'Brien <obrien@freebsd.org>
1460 * config.gcc (the unlabeled system switch statement): Add
1461 generic configuration section to handle *-*-freebsd*. Also,
1462 to match the system compiler, default to threading support (it
1463 may be disabled with the standard --disable-threads
1464 configuration-time switch).
1465 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1466 (alpha*-*-freebsd* in machine-specific section): Likewise.
1468 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1469 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1470 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1471 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1472 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1474 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1475 David O'Brien <obrien@freebsd.org>
1477 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1478 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1479 -pthread instead setting macro.
1481 2001-05-22 Richard Henderson <rth@redhat.com>
1483 * crtstuff.c (__register_frame_info_bases): Declare.
1484 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1485 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1487 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1488 (CRT_GET_RFIB_DATA): New.
1489 * config/i386/sysv4.h: Likewise.
1490 * config/i386/sco5.h: Likewise.
1491 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1493 2001-05-22 Richard Henderson <rth@redhat.com>
1495 * rtl.c (read_string): Break out from ...
1496 (read_rtx): ... here.
1498 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1500 * doc/install.texi (Specific): Remove a bogus and duplicate part
1501 copied from the end of the document.
1503 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1505 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1507 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1509 * install.texi: Remove obsolete information on SunOS as well as
1510 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1511 (Installing GNU CC on the Sun): Remove section.
1513 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1515 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1516 keep errno unchanged on success.
1518 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1520 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1521 once for hexadecimal floats, whether or not they contain a decimal
1522 point. Don't let the setting of pedantic otherwise affect the
1523 parsing of hexadecimal floats.
1525 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1527 * README.ACORN: Remove obsolete file.
1529 2001-05-22 Jan Hubicka <jh@suse.cz>
1531 * combine.c (gen_binary): Use swap_commutative_operands_p
1532 (simplify_comparison): Likewise.
1533 * expmed.c (emit_store_flag): Likewise.
1534 * expr.c (compare_from_rtx): Likewise.
1535 (do_compare_rtx_and_jump): Likewise.
1536 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1537 if not emitting a branch and operands want swapping.
1539 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1541 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1542 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1543 (maybe_get_identifier): Update.
1544 * tree.h (make_identifier): Delete.
1546 2001-05-21 Richard Henderson <rth@redhat.com>
1548 * combine.c (subst): Do not substitute for a register as
1549 a destination subreg/strict_low_part/zero_extract.
1551 * combine.c (simplify_comparison): Update op1 after constant
1553 * recog.c (const_int_operand): Accept only constants valid
1555 * genrecog.c: Update comments wrt const_int_operand.
1557 * emit-rtl.c (init_emit_once): Zero unused memory in a
1560 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1562 * tree.h (type_num_arguments): Declare it.
1563 * tree.c (type_num_arguments): New function.
1565 2001-05-21 Richard Henderson <rth@redhat.com>
1567 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1570 2001-05-21 Geoff Keating <geoffk@redhat.com>
1572 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1574 (minsf3): Use rs6000_emit_minmax.
1575 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1577 (movsfcc): Use rs6000_emit_cmove.
1578 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1579 Don't generate emit_fselsfsf4.
1580 (fseldfsf4): Likewise.
1581 (maxdf3): Use rs6000_emit_minmax.
1583 (mindf3): Use rs6000_emit_minmax.
1584 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1586 (movdfcc): Use rs6000_emit_cmove.
1587 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1588 Don't generate emit_fselsfsf4.
1589 (fselsfdf4): Likewise.
1590 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1591 (min_max_operator): New predicate.
1592 (rs6000_emit_cmove): New function.
1593 (rs6000_emit_minmax): New function.
1594 * config/rs6000/rs6000-protos.h: Prototype new functions.
1595 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1596 and min_max_operator.
1598 * config/rs6000/rs6000.c (output_cbranch): Handle all
1599 conditional types in the switch statement.
1601 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1603 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1604 non-register variables.
1605 * extend.texi: Document that asm-specifications do not make sense
1606 for non-static local variables.
1608 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1610 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1611 (dbxout_type_fields): Lose minimal_debug support.
1612 (dbxout_type_methods, dbxout_type): Likewise.
1614 2001-05-17 Andrew Haley <aph@redhat.com>
1616 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1618 2001-05-21 Richard Henderson <rth@redhat.com>
1620 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1623 2001-05-20 Richard Henderson <rth@redhat.com>
1625 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1626 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1627 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1628 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1629 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1631 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1632 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1633 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1634 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1635 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1636 DEBUG_PUBNAMES_SECTION): Rename as above.
1637 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1639 2001-05-20 Richard Henderson <rth@redhat.com>
1641 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1642 operands unless the operation is commutative.
1644 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1646 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1649 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1651 * extend.texi: Clarify documentation of extensions included in ISO
1652 C99. Prefer C99 terminology and syntax to old GNU terminology and
1653 syntax. Add more index entries. Document mixed declarations and
1654 code as an extension in C89 mode. Warn about future changes to
1655 semantics of inline functions. Fixes PR other/930.
1657 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1659 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1660 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1661 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1662 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1664 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1666 2001-05-20 Richard Henderson <rth@redhat.com>
1668 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1669 to be output before a branch.
1671 2001-05-20 Richard Henderson <rth@redhat.com>
1673 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1675 2001-05-20 Richard Henderson <rth@redhat.com>
1677 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1678 (ASM_DOUBLE): Remove.
1679 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1680 * config/i386/sun386.h: Likewise.
1682 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1683 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1685 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1686 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1687 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1688 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1690 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1691 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1692 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1693 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1694 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1695 * config/i386/win32.h: Likewise.
1697 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1699 * invoke.texi: Add more options to summary list.
1701 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1703 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1704 used. Fixes PR c/2291.
1705 * gcc.1: Regenerate.
1707 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1709 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1710 the -fpic and -fPIC options, clear flag_pic.
1712 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1714 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1715 * stringpool.c (make_identifier): No statistics here anymore.
1716 * objc-act.c (steup_string_decl): Remove redundant check.
1718 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1720 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1721 cpplib.o, cpphash.o, fix-header): Update.
1722 (hashtable.o): New target.
1723 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1724 struct c_common_identifier here.
1725 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1726 * c-lex.c (c_lex): Update.
1727 * c-pragma.h: Update.
1728 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1730 (C_RID_CODE): Delete.
1731 * cpphash.c: Rewrite to use hashtable.c.
1732 * cpphash.h: Update include guards.
1733 (struct cpp_reader): Remove hashtab.
1734 hash_ob and buffer_ob are no longer pointers. Add hash_table
1736 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1737 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1738 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1739 * cppinit.c (cpp_create_reader): Update.
1740 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1741 (cpp_interpret_charconst): Eliminate warning.
1742 * cpplib.c (do_pragma, do_endif, push_conditional,
1743 cpp_push_buffer, cpp_pop_buffer): Update.
1744 (_cpp_init_stacks): Rename cpp_init_directives.
1745 (_cpp_cleanup_stacks): Remove.
1746 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1747 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1748 cpp_forall_identifiers, cpp_create_reader): Update.
1749 (C_RID_CODE, cpp_make_node): New.
1750 (c_common_identifier): New identifier node for C front ends.
1751 * cppmain.c (main): Update.
1752 * fix-header.c (read_scan_file): Update.
1753 * flags.h (id_clash_len): Make unsigned.
1754 * ggc.h (ggc_mark_nonnull_tree): New.
1757 * stringpool.c: Update comments and copyright. Update to use
1759 * toplev.c (approx_sqrt): Move to hashtable.c.
1760 (id_clash_len): Make unsigned.
1761 * toplev.h (ident_hash): New.
1762 * tree.c (gcc_obstack_init): Move to hashtable.c.
1763 * tree.h: Include hashtable.h.
1764 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1765 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1766 (struct tree_identifier): Update.
1767 (make_identifier): New.
1769 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1770 (C_RID_CODE): Remove.
1771 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1772 (init_parse): Don't do it here.
1774 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1776 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1778 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1780 (expand_eh_return): Convert between word_mode and Pmode.
1781 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1783 (execute_stack_op): Likewise.
1784 (execute_cfa_program): Likewise.
1785 (uw_frame_state_for): Likewise.
1786 (uw_update_context_1): Likewise.
1787 * unwind.inc (_Unwind_Reason_Code): Likewise.
1788 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1789 (EH_RETURN_STACKADJ_RTX): Likewise.
1790 * config/mips/mips.c (compute_frame_size): Make space for saving
1791 EH return registers.
1792 (mips_expand_epilogue): Handle EH stack adjustments.
1793 * config/mips/mips.md (eh_return): New pattern.
1794 (eh_set_lr_si): Likewise.
1795 (eh_set_lr_di): Likewise.
1796 Add splitter to perform EH return after reload.
1798 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1800 * jump.c (mark_jump_label): Tidy previous change.
1802 2001-05-19 Bruce Korb <bkorb@gnu.org>
1804 * fixinc/genfixes: no need for two warnings
1805 * fixinc/Makefile.in: open stdin for those building with a closed one.
1807 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1809 * jump.c (jump_optimize_1): Tidy.
1810 (mark_jump_label): When changing the label in a LABEL_REF, change
1811 update any REG_EQUAL notes as well.
1813 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1815 * c-parse.in (parm_declarator): Split into
1816 parm_declarator_starttypename and parm_declarator_nostarttypename.
1817 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1818 New. Allow parenthesised sub-declarators which don't begin with a
1819 TYPENAME. Fixes PR c/166.
1821 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1823 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1825 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1827 * toplev.c (main): If the target does not allow profiling without
1828 a frame pointer, issue an error message.
1829 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1832 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1834 * recog.c (general_operand): Modify last change to allow it if reload
1837 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1839 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1840 subregs containing mem.
1842 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1844 * regrename.c (regrename_optimize): frame pointer register can
1847 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1849 * README.DWARF: Move into dwarfout.c.
1851 2001-05-18 Dale Johannesen <dalej@apple.com>
1853 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1854 specific misuse of r0 as a reload address.
1856 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1858 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1861 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1863 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1864 (add_to_sequence): Make that decision type.
1865 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1866 (write_switch, write_cond, debug_decision_2): Likewise.
1868 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1870 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1873 2001-05-18 Stan Shebs <shebs@apple.com>
1875 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1876 * configure: Regenerate.
1878 2001-05-18 Per Bothner <per@bothner.com>
1880 Changes needed for java/jvspec.c
1881 * gcc.h (n_infiles, outfiles): Add declarations.
1882 * gcc.c (n_infiles, outfiles): Mske no longer static.
1884 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1886 * config/pa/som.h (EXCEPTION_SECTION): Define.
1888 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1890 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1892 Add have_location_lists, a variable to determine whether we need a
1893 .debug_loc section or not.
1894 (enum dw_val_class): Add dw_val_class_loc_list.
1895 (dw_val_struct): Add val_loc_list.
1896 (dw_loc_list_struct): New structure, represents location lists.
1897 (new_loc_list): New function, return a new location list, given
1898 the range and location expression.
1899 (add_loc_descr_to_loc_list): New function, add a location
1900 expression to a location list, given the expression and range.
1901 (output_loc_list): New function, output a location list.
1902 (gen_internal_sym): Modified to take symbol prefix, so we can
1903 reuse it for location list symbols.
1904 (add_AT_loc_list): New function, add a location list to a DIE at
1905 the named attribute.
1906 (AT_loc_list): New function, return the location list reference
1907 for a given attribute, if it's a location list.
1908 (print_die): Handle dw_val_class_loc_list.
1909 (size_of_die): Ditto.
1910 (value_format): Ditto.
1911 (output_die): Ditto.
1912 (output_location_lists): New function, output all of the location
1913 lists for a DIE and it's children.
1914 (dwarf2out_finish): Call output_location_lists if we have location
1918 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1920 * gcse.c (try_replace_reg): First try global replace, later try to
1921 simplify the expression.
1923 * gcse.c (find_used_regs): Change calling convention; work via
1925 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1927 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1930 2001-02-09 Nick Clifton <nickc@redhat.com>
1931 * config/arm/arm.md: Change output constraint on post inc
1932 load/store multiple patterns to be a read/write constraint.
1934 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1936 * basic-block.h (struct basic_block_def): Add documentation about
1937 what a basic block is, and what the various fields are used for.
1938 * flow.c (calculate_globlal_regs_live): Add documentation about
1939 how the algorithm works, and how we know that it will terminate.
1940 Check that the the inductive assumption that guarantees
1941 termination actually holds.
1942 (mark_used_regs): Treat conditionally set registers as used.
1943 (debug_regset): Add comment.
1944 * rtl.texi (cond_exec): Add documentation.
1946 * function.c (expand_function_start): Avoid creating BLKmode
1949 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1951 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1952 DIE, even if it has no children.
1953 (dwarf2out_finish): Always output the line-number table, even if
1956 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1958 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1960 2001-05-17 Bruce Korb <bkorb@gnu.org>
1962 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1963 * fixinc/genfixes: emit a warning if AutoGen is out of date
1965 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1966 Bruce Korb <bkorb@gnu.org>
1968 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1969 found in fixinc directory. Facilitates binary distributions.
1971 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1973 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1976 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1978 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1980 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1982 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1983 (simplify_subreg): Handle complex types represented as CONCAT.
1985 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1986 * rtl.h (swap_commutative_operands_p): Declare.
1987 * rtlanal.c (swap_commutative_operands_p): New.
1988 (operand_preference): New static function.
1990 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1991 (gen_binary): Likewise.
1992 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1993 * simplify-rtx.c (simplify_gen_binary,
1994 simplify_gen_relational): Likewise.
1996 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1998 * cse.c (fold_rtx): Use simplify_subreg.
2000 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2001 (simplify_gen_subreg): New.
2002 (simplify_rtx): Use simplify_subreg.
2003 * rtl.h (simplify_gen_subreg): Declare.
2005 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2007 * doc/install.texi: Update Solaris information.
2009 * except.h (protect_cleanup_actions): Remove it.
2010 (lang_protect_cleanup_actions): Declare it.
2011 * except.c (protect_cleanup_actions): Remove it.
2012 (lang_protect_cleanup_actions): New variable.
2013 (init_eh): Don't make protect_cleanup_actions a GC root.
2014 (expand_eh_region_and_cleanup): Call
2015 lang_protect_cleanup_actions.
2016 (output_function_exception_table): Remove unused `align'
2018 * varasm.c (assemble_external): Abort if we have not yet
2019 opened the assembly output file.
2021 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2023 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2024 for eh_personality_libfunc.
2026 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2028 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2029 when calling simplify_subreg. This is needed to allow replacing
2030 of expression of one mode by expression of different mode.
2032 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2034 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2036 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2038 * expr.c (protect_from_queue): Protect against subsequent calls to
2040 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2043 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2045 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2047 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2049 * gccbug.in (CATEGORIES): Add "bootstrap".
2051 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2053 * simplify-rtx.c (simplify_subreg): Break out from ...
2054 * combine.c (combine_splify_rtx) ... here and ...
2055 * recog.c (validate_replace_rtx_1): ... here;
2056 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2057 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2058 (subreg_lowpart_p): ... here.
2060 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2062 * stmt.c (expand_asm_operands): For inout operands, make sure
2063 the substitution of '=' for '+' makes it into the rtl.
2065 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2066 (reload_as_needed): Call update_eliminable_offsets a bit later.
2068 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2070 * gcc.texi (gccbug): Refer to the web pages for detailed information
2073 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2075 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2077 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2078 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2079 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2080 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2081 * cross-make: Don't set LIBGCC1.
2082 * mklibgcc.in: Delete all code for building from libgcc1.c.
2083 Always honor LIB1ASMFUNCS if set.
2085 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2086 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2087 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2088 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2089 config/i386/uwin.asm, config/m68hc11/larith.asm,
2090 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2091 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2092 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2093 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2094 Delete or update references to libgcc1 in commentary.
2096 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2097 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2098 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2099 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2100 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2101 config/arm/t-semi, config/arm/t-strongarm-coff,
2102 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2103 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2104 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2105 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2106 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2107 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2108 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2109 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2110 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2111 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2112 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2113 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2114 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2115 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2116 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2117 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2118 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2119 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2120 config/mips/t-ultrix, config/mn10200/t-mn10200,
2121 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2122 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2123 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2124 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2125 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2126 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2127 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2128 config/sparc/t-sparclite, config/sparc/t-splet,
2129 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2130 config/sparc/t-vxsparc64, config/v850/t-v850:
2131 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2133 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2134 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2135 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2136 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2137 nongcc_SI_type, nongcc_word_type, or perform_*
2138 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2140 * config/i386/386bsd.h, config/i386/beos-elf.h,
2141 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2142 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2143 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2144 Don't include i386/perform.h.
2146 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2147 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2148 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2149 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2150 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2151 config/vax/t-openbsd, config/vax/t-vax: Delete.
2153 * config.gcc: Remove references to deleted files.
2154 (arm-semi-aof): Use arm/t-semi for tmake_file.
2156 * gcc.texi, install.texi, invoke.texi, tm.texi:
2157 Delete or rewrite text which is no longer relevant now that
2158 libgcc1 no longer exists.
2160 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2161 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2163 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2164 Bruce Korb <bkorb@gnu.org>
2166 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2169 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2171 * i386.md: Add two peepholes to clean up code generated by
2174 2001-05-16 Richard Henderson <rth@redhat.com>
2176 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2177 variants of non-absolute encodings.
2179 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2181 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2182 __register_frame_info_table_bases): Export.
2184 2001-05-16 Richard Henderson <rth@redhat.com>
2186 * except.c (eh_data_format_name): Move to ...
2187 * dwarf2asm.c: ... here. Use designated initializers if available.
2188 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2189 * dwarf2asm.h: Update declarations.
2190 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2191 ASM_PREFERRED_EH_DATA_FORMAT.
2192 (output_call_frame_info): Likewise. Use 'L' augmentation for
2195 * unwind-dw2-fde.h (struct fde_vector): New.
2196 (struct old_object): Rename from struct object.
2197 (struct object): New.
2198 (__register_frame_info_bases): Declare.
2199 (__register_frame_info_table_bases): Declare.
2200 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2201 * unwind-dw2-fde.c (objects): Remove.
2202 (unseen_objects, seen_objects): New.
2203 (__register_frame_info_bases): New.
2204 (__register_frame_info): Use it.
2205 (__register_frame_info_table_bases): New.
2206 (__register_frame_info_table): Use it.
2207 (__deregister_frame_info): Rewrite for changed object struct.
2208 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2209 (fde_unencoded_compare): Rename from fde_compare; uninline.
2210 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2211 (start_fde_sort): Adjust for new definition of fde_vector.
2212 (fde_insert): Likewise.
2213 (end_fde_sort): Likewise. Select comparison function based
2214 on properties of the object.
2215 (fde_split): Take object and fde_compare_t arguments.
2216 (frame_heapsort, fde_merge): Likewise.
2217 (classify_object_over_fdes): Rename from count_fdes. Handle
2218 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2220 (add_fdes): Handle encoded pointers.
2221 (init_object): Rename from frame_init. Update for new struct object.
2222 (linear_search_fdes): Rename from search_fdes. Handle encoded
2224 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2225 (binary_search_single_encoding_fdes): New.
2226 (binary_search_mixed_encoding_fdes): New.
2227 (search_object): New.
2228 (_Unwind_Find_FDE): Update for new struct object. Fill in
2230 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2231 iterating over EH data.
2232 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2233 fde_encoding, lsda_encoding.
2234 (read_uleb128, read_sleb128): Remove.
2235 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2236 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2237 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2239 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2241 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2243 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2244 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2245 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2246 cpp_spell_token, cpp_output_token): Similarly.
2247 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2248 do_pragma_poison, parse_assertion, do_assert): Similarly.
2249 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2250 save_parameter, _cpp_create_definition, check_trad_stringification,
2251 cpp_macro_definition): Similarly.
2252 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2253 * c-lex.c (cb_undef, c_lex): Similarly.
2254 * fix-header.c (recognized_function): Similarly.
2255 * cpplib.h (NODE_LEN, NODE_NAME): New.
2256 (cpp_hashnode): Rename length len.
2258 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2260 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2263 2001-05-16 Andreas Jaeger <aj@suse.de>
2265 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2267 * toplev.c: Include dwarf2asm.h for prototype of
2268 dw2_output_indirect_constants.
2270 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2272 * stmt.c (expand_asm_operands): Be able to offload addressof
2273 expression to memory. (PR optimization/185)
2275 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2277 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2278 applying distributive law.
2280 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2282 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2284 * gthr-dce.h (UNUSED): Attribute unused macro.
2285 (__gthread_key_dtor): Make arguments UNUSED.
2286 (__gthread_key_delete): Revise for compatibility with DRAFT4
2289 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2291 * doc/install.texi: Update AIX information.
2292 * README.RS6000: Remove obsolete file.
2294 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2295 Nathan Sidwell <nathan@codesourcery.com>
2297 * gcc.c (give_switch): Don't write before start of string.
2298 Always append suffix.
2300 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2302 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2305 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2307 * README.ALTOS: Remove obsolete file.
2309 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2311 * c-lex.h (save_and_forget_protocol_qualifiers,
2312 forget_protocol_qualifiers, remember_protocol_qualifiers):
2313 Remove deleted functions' prototypes.
2315 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2317 * c-parse.in (methodtype): New production.
2318 (methoddef, methodproto): Collapse separate '-' and '+'
2321 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2323 * c-common.h (RID_FIRST_PQ): New.
2324 * c-parse.in (objc_pq_context): New.
2325 (objc parser): Set objc_pq_context rather than calling
2326 remember_protocol_qualifiers and forget_protocol_qualifiers.
2327 Don't call save_and_forget_protocol_qualifiers.
2328 (yylexname): Handle objc protocol qualifiers here.
2329 * stringpool.c (struct str_header): Replace with sp_hashnode.
2330 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2331 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2332 Allocate an IDENTIFIER_NODE for each identifier.
2333 (FORALL_STRINGS, set_identifier): Delete.
2334 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2335 (ggc_alloc_string): Use an obstack.
2336 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2337 * tree.h: Update comments.
2338 (set_identifier): Delete.
2339 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2340 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2341 remember_protocol_qualifiers): Delete.
2343 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2345 * flow.c (life_analysis): After life analysis is complete, do
2346 an optional scan over insns looking for REG_LABEL notes that
2347 reference a deleted label.
2348 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2349 before peeking at LABEL_NUSES.
2351 2001-05-15 Richard Henderson <rth@redhat.com>
2353 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2354 (_Unwind_GetTextRelBase): New.
2356 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2358 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2360 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2362 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2363 so that CHOOSE_SECTION gets used.
2365 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2366 TARGET_RELOCATABLE like flag_pic for now.
2368 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2370 * rs6000.md (movdi splitter): Sign extend more efficiently.
2371 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2372 to "long long" valid on 32-bit and 64-bit hosts.
2373 (logical_operand): Cast trunc_int_for_mode return value.
2374 (rs6000_emit_move): Shift macro to encapsulate variable.
2375 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2376 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2377 plus_constant requires signed argument.
2379 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2381 * gthr-posix.h: Make additional pthread-* functions weak.
2383 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2385 * recog.c (apply_change_group): Avoid unneeded validating.
2387 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2389 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2390 (num_insns_constant): CONST_INT can be 64-bits.
2392 2001-05-14 Stan Shebs <shebs@apple.com>
2394 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2395 (LIBGCC_SPEC): Don't define.
2397 2001-05-14 Richard Henderson <rth@redhat.com>
2399 * configure.in (gcc_cv_as_eh_frame): New test.
2400 * config.in, configure: Rebuild.
2401 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2403 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2405 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2406 extended precision divide.
2408 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2410 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2411 for RETURNS as well.
2413 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2415 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2416 (CPP_CPU??_SIZE_TYPE): New.
2417 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2418 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2419 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2420 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2422 * i386.c (override_options): Add sorry about not suported modes.
2424 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2426 * config/pa/som.h (NM_FLAGS): Remove.
2427 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2428 (ASM_OUTPUT_SECTION_NAME): Remove.
2429 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2431 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2433 * regrename.c (regrename_optimize): Do not rename registers to
2436 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2438 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2439 contain MEMs. Remove useless distinction about clobbering
2442 2001-05-13 Geoff Keating <geoffk@redhat.com>
2444 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2445 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2446 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2447 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2448 (EXCEPTION_SECTION): Define.
2450 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2452 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2453 binary backward compat only.
2454 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2455 in LIB2FUNCS. Pass it to mklibgcc.
2456 * mklibgcc.in: Handle LIB2FUNCS_ST.
2458 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2460 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2462 * tm.texi (THREAD_MODEL_SPEC): Document it.
2463 * gcc.c (main): Use it.
2464 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2465 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2467 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2469 * rtl.h (SYMBOL_REF_WEAK): New macro.
2470 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2471 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2472 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2473 * gcc.texi: Remove wrong description.
2475 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2477 * Makefile.in (STAMP): New macro.
2478 Replace all uses of `touch' with $(STAMP).
2479 * fixinc/Makefile.in: Likewise.
2481 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2483 * configure.in: ldopen is never in -lexc, so don't test for it.
2484 Add test for exc_resume in -lexc for Ada.
2485 * configure: Regenerated.
2487 2001-05-12 Richard Henderson <rth@redhat.com>
2489 * dwarf2asm.c (size_of_encoded_value): New function.
2490 * dwarf2asm.h: Declare it.
2491 * except.c (output_function_exception_table): Align the TType
2492 array only as wide as the encoding.
2494 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2496 * extend.texi: Document #pragma GCC java_exceptions.
2498 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2500 * c-parse.in (bison parser, init_reswords): Remove uses of
2502 * c-tree.h (doing_objc_thang): Remove.
2504 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2506 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2507 about files not ending in newlines.
2509 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2511 * dwarfout.c (dwarfout_init): Add cast.
2512 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2513 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2515 * method.c (build_mangled_C99_name): Remove unused prototype.
2517 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2519 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2521 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2523 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2524 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2526 2001-05-11 Richard Henderson <rth@redhat.com>
2528 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2529 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2530 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2531 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2532 (dw2_output_indirect_constants): Prototype.
2533 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2534 current_function_func_begin_label if we'll need it for EH. Exit
2535 early for IA64_UNWIND_INFO.
2536 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2537 (eh_data_format_name): Update for indirect references.
2538 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2539 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2540 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2541 define HAVE_eh_return etc.
2542 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2543 (final_end_function): Don't call output_function_exception_table.
2544 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2545 (rest_of_compilation): Invoke output_function_exception_table
2546 for ia64 before assemble_end_function.
2547 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2548 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2550 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2551 * unwind.h: Declare them.
2552 * libgcc-std.ver: Export them.
2553 * unwind-pe.h: New file.
2555 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2557 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2559 (find_fde_for_dso): Extract DT_PLTGOT.
2560 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2561 the segment and gp as well.
2562 * config/ia64/frame-ia64.c: Remove file.
2563 * config/ia64/frame-ia64.h: Remove file.
2564 * config/ia64/unwind-ia64.c: New file.
2565 * config/ia64/unwind-ia64.h: New file.
2566 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2567 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2568 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2569 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2570 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2571 (IA64_UNWIND_INFO): Re-enable.
2572 (HANDLER_SECTION): Remove.
2573 (EH_RETURN_DATA_REGNO): New.
2574 * config/ia64/ia64.md (exception_receiver): Remove.
2575 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2576 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2578 2001-05-11 Richard Henderson <rth@redhat.com>
2580 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2581 calls and jumps to be bundled together.
2582 (ia64_reorg): Emit a break after a noreturn call that ends
2584 * config/ia64/ia64.md (break_f): New.
2586 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2588 * c-lex.c (lex_charconst): Convert into a simple wrapper
2589 around cpp_interpret_charconst, to which most of the code
2591 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2592 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2593 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2594 (lex): Use cpp_interpret_charconst.
2595 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2596 hex_digit_value): New functions.
2597 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2598 * cpplib.h (cpp_interpret_charconst): New prototype.
2599 * Makefile.in: Update.
2601 2001-05-12 Dean Wakerley <dean@wakerley.com>
2603 * doc/install.texi: New file. Converted to texinfo from the HTML
2604 documentation in wwwdocs/htdocs/install.
2606 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2608 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2609 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2611 * toplev.c (compile_file): Move comment for opening output
2612 file to just before the code that opens the output file.
2614 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2616 * regmove.c (regmove_optimize): Suppress the optimization for
2617 unchanging destination register. Add comment above function.
2619 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2621 * Makefile.in: Exterminate all references to assert.h.
2622 * cross-make: Likewise.
2624 * configure.in: Correct commentary.
2625 * configure: Regenerate.
2627 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2630 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2631 config/t-netbsd, config/t-rtems, config/x-linux,
2632 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2633 No need to override INSTALL_ASSERT_H.
2635 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2636 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2637 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2639 2001-05-11 Graham Stott <grahams@redhat.com>
2641 * combine.c (simplify_comparison): Fix typo.
2643 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2645 * loop.h (struct movables): Remove `num'.
2646 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2647 Adjust call to strength_reduce.
2648 (num_unmoved_movables): New function.
2649 (move_movables): Don't set movables->num.
2650 (strength_reduce): Compute the number of instructions in the loop
2651 here, rather than in the caller.
2652 (check_dbra_loop): Always clear reversible_mem_store if there
2653 are any memory sets.
2654 (loop_regs_scan): Don't count instructions here.
2655 (count_insn_in_loop): New function.
2657 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2659 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2661 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2663 * c-common.c (finish_label_expr): New function, lifted from
2664 from cp/semantics.c.
2665 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2666 * c-parse.in: Move 3 blocks of parser code into new functions.
2667 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2668 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2669 (lookup_label): Remove.
2671 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2673 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2674 FLOAT_BIT_ORDER_MISMATCH.
2676 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2678 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2679 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2681 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2683 * expr.c (emit_group_load): extract_bit_field requires a REG or
2686 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2688 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2689 a computed jump into an unconditional jump.
2690 In second hunk of code for collapsing computed and conditional jumps
2691 into unconditional jumps, reemit the jump in additional cases.
2693 * jump.c (jump_optimize_1): Do not wrap the new jump target
2694 inside a LABEL_REF; gen_jump will do that automatically.
2696 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2698 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2699 contents for a SYMBOL_REF in case of floating point constants.
2701 2001-05-10 DJ Delorie <dj@redhat.com>
2703 * c-common.c (combine_strings): Widen strings in a
2704 host-endian-independent way.
2706 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2708 * c-parse.in: Remove many shift/reduce conflicts. Update
2710 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2711 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2712 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2713 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2714 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2715 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2716 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2717 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2718 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2719 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2720 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2721 typespec_reserved_nonattr, typespec_reserved_attr,
2722 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2723 structsp_nonattr, components_notype, component_notype_declarator,
2724 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2725 firstparm, setspecs_fp): New
2726 (typed_declspecs, reserved_declspecs, typed_typespecs,
2727 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2728 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2729 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2730 type_quals): Remove. Users updated.
2731 (initdecls, notype_initdecls, after_type_declarator,
2732 parm_declarator, notype_declarator, absdcl1, components, ivars):
2733 Don't allow attributes at the start of a declarator; include them
2734 in the production containing the declarator instead. Always
2735 require type specifiers before trying to redeclare a typedef name.
2736 (typename): Allow for attributes but warn that they are ignored.
2737 (parmlist, firstparm, setspecs_fp): Include attributes in
2738 parmlist; suck them off the parser stack in firstparm using
2741 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2743 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2744 to determine if a block has an unconditional jump at its end.
2746 * jump.c (jump_optimize_1): When converting a conditional jump
2747 to an unconditional jump, build the jump using gen_jump instead
2748 of just modify operands in-place.
2750 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2752 * cppinit.c (cpp_post_options): Shut off macro expansion if
2754 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2755 IN_I directives only if the # is in column 1 and the directive
2756 name begins in column 2.
2757 * cppmain.c (scan_buffer): Insert a space between # and an
2758 identifier, when that identifier is a directive name.
2760 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2761 in the header search path.
2762 (enum node_type): Add T_INCLUDE_NEXT.
2763 (directive_table): Add entry for include_next.
2764 (do_include_next): New function.
2765 (process_include): New routine, broken out of do_include.
2766 (finclude): Insert 'nhd' argument, to be copied into
2767 next_header_dir of the new buffer.
2768 (main): Adjust to match.
2769 * gsyslimits.h, limity.h: Un-indent #include_next.
2771 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2773 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2774 inclusion as a chapter of the GCC manual.
2775 * gcc.texi: Include objc.texi.
2776 * fdl.texi: Use @unnumberedsec for the addendum.
2777 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2779 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2781 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2783 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2785 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2786 handling of two-address insns.
2788 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2790 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2791 ../binutils/nm-new instead of ../binutils/nm.
2793 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2795 * i386.md (movdi splitter): Fix the splitting condition
2796 (float_extenddftf splitter): Fix mode.
2798 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2800 * genrecog.c (write_switch): Avoid outputting of switch for
2801 types wider than int.
2803 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2805 * reload1.c (copy_eh_notes): New function.
2806 (emit_input_reload_insns): Call it.
2807 (emit_output_reload_insns): Call it.
2809 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2811 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2813 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2814 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2816 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2818 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2820 * pa.md (interspace_jump): Revise comment.
2821 (builtin_longjmp): Block initial setup insns from delay slot of
2823 (builtin_setjmp_receiver): New expander to save and restore PIC
2826 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2828 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2830 * toplev.c (compile_file): Set up the output file before we call
2831 the various initializers for the compiler.
2833 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2834 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2836 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2837 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2839 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2841 * Makefile.in (tradcpp0): Correct typo in dependency list.
2843 2001-05-06 Geoff Keating <geoffk@redhat.com>
2845 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2846 the link register if we're not going to use it.
2848 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2849 (output_function_profiler): Likewise.
2851 2001-05-07 Alan Modra <amodra@one.net.au>
2853 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2855 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2857 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2858 zero-extend it. Make abs_inc unsigned.
2860 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2861 widest mode in narrowing and widening operations.
2863 * config/mips/mips.md: Sign extend CONST_INTs.
2865 2001-05-06 Andreas Jaeger <aj@suse.de>
2867 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2868 (i386 Options): Document -momit-leaf-frame-pointer.
2870 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2872 * c-typeck.c (internal_build_compound_expr): Check for
2873 array to pointer conversion just once.
2875 2001-05-05 Richard Henderson <rth@redhat.com>
2877 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2879 2001-05-05 Richard Henderson <rth@redhat.com>
2881 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2882 to the parent of the fixup region.
2884 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2886 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2888 * cpp.texi (__NO_INLINE): Document it.
2890 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2892 * cppfiles.c (struct include_file): New member err_no.
2893 (find_or_create_entry): Set it.
2894 (open_file): Don't set fds to -2. Instead, use err_no to
2895 remember previous errors, if any.
2897 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2899 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2900 between X and Y by using sequences of xgdx and xgdy.
2902 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2904 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2905 of '!' for the 'D' alternative ('!' is too strong).
2906 ("*logicalsi3_silshl16"): Likewise.
2907 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2908 ("movstrictsi"): Remove spurious '+'.
2909 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2910 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2911 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2914 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2916 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2918 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2920 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2923 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2925 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2928 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2930 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2931 soft register, use ror instead of rol.
2933 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2935 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2936 into account pre/post increment decrement for 68HC12.
2937 Fix other problems in replacement and fix call to reg_mentioned_p.
2939 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2941 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2942 Put the soft registers in bss for 68HC12.
2943 (L_regs_d3_4): New for _.d3 and _.d4.
2944 (L_regs_d5_6): Likewise.
2945 (L_regs_d1_2): Likewise.
2946 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2948 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2950 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2951 to the pre-processor when -fshort-double is specified.
2952 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2954 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2956 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2957 (__mulsi3): Rewrite for 68HC12.
2958 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2959 Mark 'x' constraint with earlyclobber to prevent a
2960 RELOAD_FOR_OTHER_ADDRESS to go in it.
2961 (mulhi3_m68hc12): New pattern.
2962 (mulhi3_m68hc11): Rename of mulhi3.
2963 (mulhi3): New expand for 68HC12 optimisation.
2964 (umulhisi3, mulhisi3): New patterns for 68HC12.
2966 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2968 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2969 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2970 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2972 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2974 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2975 constants cheap after reload.
2976 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2978 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2979 so that gcc prefers a shift by 16.
2980 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2982 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2984 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2986 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2988 * alpha.h: NULL_PTR -> NULL.
2995 * i386.md: Likewise.
2998 * m68hc11.h: Likewise.
2999 * rs6000.h: Likewise.
3002 * sparc.h: Likewise.
3006 * final.c: Likewise.
3008 * recog.c: Likewise.
3010 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3012 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3013 `bool' parameter to `int'.
3015 * hash.c (hash_lookup): Likewise.
3017 * hash.h (hash_lookup): Likewise.
3019 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3021 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3023 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3025 2001-05-03 Geoff Keating <geoffk@redhat.com>
3027 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3028 -malign-loops, -malign-functions.
3029 * i386.c (ix86_align_funcs): Delete.
3030 (ix86_align_loops): Delete.
3031 (ix86_align_jumps): Delete.
3032 (override_options): Mark -malign-* as obsolete. Emulate their
3033 behaviour with the -falign-* options. Default -falign-* from
3034 the processor table.
3035 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3036 patch of Wed May 2 13:09:36 2001.
3037 (LOOP_ALIGN): Delete.
3038 (LOOP_ALIGN_MAX_SKIP): Delete.
3039 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3040 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3042 2001-05-04 Andreas Jaeger <aj@suse.de>
3044 * except.h: Add prototype declaration for
3045 expand_builtin_init_dwarf_reg_sizes.
3047 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3049 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3051 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3053 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3055 ("bitcmpqi2"): New pattern for bit-extract and test.
3056 ("bitcmphi"): New pattern for bitb/bita instructions.
3058 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3060 * gccbug.in: Use a temporary directory when the mktemp command is
3063 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3065 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3067 (INITIALIZE_TRAMPOLINE): Call it.
3068 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3069 (TRAMPOLINE_TEMPLATE): Remove.
3070 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3071 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3074 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3076 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3077 and crtendS.o with PIC.
3079 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3081 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3083 (___subdi3, ___adddi3): Use x instead of y as index register.
3084 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3085 (__memset, __memcpy): Likewise.
3086 (regs): Put the soft registers in bss for 68HC12.
3087 (abort): Use trap to abort for 68hc12.
3088 (__mulhi3, __mulhi32): Use emul for 68hc12.
3089 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3091 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3093 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3094 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3095 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3096 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3097 Set 68HC12 min offset to -65536.
3098 (print_operand): Put parenthesis arround the operand if it refers
3099 to a symbol having the same name as a register.
3100 (m68hc11_z_replacement): When z register is replaced by its
3101 equivalent soft register, force the insn to be re-recognized.
3102 (m68hc11_check_z_replacement): Fix the test when destination is
3103 the index register and z dies in the insn.
3104 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3106 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3108 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3109 costs according to processor variant.
3110 (m68hc11_shift_cost): New function to compute shift costs.
3111 (m68hc11_rtx_costs): Define costs according to processor variant.
3112 (m6811_cost): Costs for 68HC11.
3113 (m6812_cost): Costs for 68HC12.
3114 (COSTS_N_INSNS): Remove.
3116 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3117 (DEFAULT_RTX_COSTS): Remove.
3118 (CONST_COSTS): Define costs according to OUTER_CODE.
3119 (processor_costs): New struct to define costs.
3120 (m68hc11_cost): Pointer to current costs.
3122 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3124 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3125 and use m68hc11_notice_keep_cc when using leax/leay.
3126 (addhi3 split): Reject split if the insn is handled by
3128 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3129 push must be handled in a special way if the source operand uses
3130 sp as index register.
3131 (m68hc11_notice_keep_cc): New function.
3132 (m68hc11_gen_movhi): Use it when an insn changes a register but
3134 (m68hc11_gen_movqi): Fix move for 68HC12.
3135 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3137 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3139 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3140 and don't pass operands[0] to emit_library_call_value.
3142 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3144 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3145 (zero_extendsi split): Simplify and use (zero_extendhi).
3146 (*addhi3): Remove 'w' constraint since stack pointer is handled
3148 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3149 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3150 (*ashrhi3_const): Fix shift by 7.
3151 (*lshrsi3_const16): Fix template.
3152 (call, call_value): Fix constraint and predicate.
3154 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3156 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3157 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3158 (CC_REGNUM): Likewise.
3159 (*unnamed splits): Use above constants instead of hard coded numbers.
3160 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3161 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3162 (*return_16bit, *unnamed peepholes): Likewise.
3164 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3166 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3167 rs6000/rs6000.h twice.
3169 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3171 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3172 (CPP_SPEC): Conditionally define MSDOS and GO32.
3173 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3174 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3176 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3178 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3180 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3182 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3184 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3185 * integrate.c (expand_inline_function): Use xcalloc to allocate
3187 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3190 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3192 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3195 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3197 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3198 linker if -mrelax is given.
3199 (TARGET_SWITCHES): Document -mrelax.
3201 Re-installed 2001-01-09's patch:
3202 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3203 if it's wider than long and the target's long is wider than the
3206 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3208 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3209 directly include rs6000/rs6000.h. Instead do it in tm.h.
3211 2001-05-02 Stan Shebs <shebs@apple.com>
3213 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3214 NSConstantString for NeXT-style runtimes.
3215 (STRING_OBJECT_GLOBAL_NAME): New macro.
3216 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3217 OCTI_STRING_CLASS_DECL.
3218 (constant_string_global_id): New macro.
3219 (string_class_decl): Ditto.
3220 (setup_string_decl): New function.
3221 (build_objc_string_object): Use it to build a NeXT runtime
3222 compatible string initializer.
3224 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3226 * tradcpp.c (do_define): Make sure we don't walk past limit.
3228 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3230 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3231 offsets if not REG_OK_STRICT.
3233 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3234 (INT_REG_OK_FOR_INDEX_P): Likewise.
3235 (INT_REG_OK_FOR_BASE_P): Likewise.
3236 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3237 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3238 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3239 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3240 REG_OK_FOR_BASE_P. Take an additional parameter.
3241 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3242 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3243 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3244 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3245 rs6000_legitimate_address() and use it.
3246 * config/rs6000/rs6000.c: Update all callers.
3247 (rs6000_legitimate_address): New function.
3249 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3251 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3252 special_constant conditional blocks together.
3254 2001-05-02 Dale Johannesen <dalej@apple.com>
3256 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3258 (STRICT_ARGUMENT_NAMING): Define.
3259 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3260 function_arg_partial_nregs, setup_incoming_varargs): Remove
3261 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3264 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3266 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3268 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3271 * expr.c (store_field): Do nothing except elaborate side-effects if
3274 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * c-lex.c: NULL_PTR -> NULL.
3278 * emit-rtl.c: Likewise.
3280 * genpeep.c: Likewise.
3282 * mips-tdump.c: Likewise.
3283 * reload1.c: Likewise.
3284 * rtlanal.c: Likewise.
3286 * stor-layout.c: Likewise.
3287 * toplev.c: Likewise.
3289 2001-05-01 Per Bothner <per@bothner.com>
3291 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3292 call do_pending_stack_adjust before emiting label.
3294 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3296 * extend.texi: Fix typo.
3298 2001-05-01 Stan Shebs <shebs@apple.com>
3300 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3301 of UOBJC_MODULES_decl.
3302 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3303 (generate_descriptor_table): Ditto.
3304 (generate_protocols): Ditto.
3305 (generate_protocol_list): Ditto.
3306 (generate_classref_translation_entry): Ditto.
3308 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3310 * invoke.texi (Optimize Options): Add documentation for `--param
3311 max-delay-slot-insn-search' and `--param
3312 max-delay-slot-live-search' and reorder --param section.
3313 * params.def: Modify initial comment.
3314 * params.h (param_info): Add `help' member.
3315 * toplev.c (lang_independent_params): Include `help' description.
3316 (display_help): Print --param parameters.
3318 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3320 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3321 Remove references to deleted files.
3322 (*-*-openbsd): No need to override xmake_file.
3323 (*-*-sysv4): Treat like *-*-sysv.
3325 * configure.in: Probe for ldopen in various places, and set up
3326 collect2 to be linked with them if found.
3327 Don't dink with Windows registry stuff unless $host_os is a
3328 Win32 os name. Check to see if we need -ladvapi32.
3329 * configure: Regenerate.
3331 * Makefile: Get rid of CLIB and HOST_CLIB.
3332 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3333 * build-make: Get rid of HOST_CLIB.
3335 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3336 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3337 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3338 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3339 config/rs6000/x-rs6000: Delete.
3341 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3344 24 x-host fragments remain, 0 x-cpu, 3 top level.
3346 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3348 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3349 * configure: Regenerate.
3351 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3353 * Makefile.in (install-headers): Remove redundant dependency.
3355 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3357 * c-tree.texi (USING_STMT): Document.
3359 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3361 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3362 * c-common.c: Likewise.
3363 * c-decl.c: Likewise.
3364 * combine.c: Likewise.
3365 * rs6000.c: Likewise.
3366 * except.c: Likewise.
3367 * explow.c: Likewise.
3369 * fold-const.c: Likewise.
3370 * function.c: Likewise.
3373 * integrate.c: Likewise.
3375 * objc/objc-act.c: Likewise.
3376 * recog.c: Likewise.
3377 * reg-stack.c: Likewise.
3378 * reload.c: Likewise.
3379 * reload1.c: Likewise.
3380 * simplify-rtx.c: Likewise.
3382 * varasm.c: Likewise.
3384 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3386 * diagnostic.def: New file.
3387 * diagnostic.h (diagnostic_t): New enum.
3388 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3390 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3392 * tsystem.h: Test only POSIX for availability of string.h
3394 * config.gcc (all systems): If USG appeared in xm_defines,
3395 change it to POSIX. If both USG and POSIX appeared, just
3396 delete USG. Remove unnecessary quotes around xm_defines
3398 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3399 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3400 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3401 powerpc-*-linux*): No need to set xm_defines - handled by
3402 global settings for *-*-linux*.
3404 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3406 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3407 Always include gstab.h, not system stab.h. Don't provide
3408 default definitions of N_CATCH or N_OPT. Always use the
3409 gstab.h variant of STAB_CODE_TYPE.
3410 * final.c: Don't include stab.h/gstab.h at all, or provide
3411 defaults for N_SLINE and N_SOL.
3413 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3414 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3416 * sdbout.c: Always include gsyms.h instead of system syms.h.
3418 * configure.in: No need to check for stab.h.
3419 * configure, config.in: Regenerate.
3420 * Makefile.in (final.o): Don't depend on gstab.h.
3422 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3423 Richard Henderson <rth@redhat.com>
3425 * extend.texi: Improve documentation of volatile asms.
3427 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3429 * c-tree.texi: Fix thinko.
3430 * gcc.texi: Likewise.
3432 2001-04-30 Richard Henderson <rth@redhat.com>
3434 * c-common.c (c_promoting_integer_type_p): New function, from the
3435 corpse of old macro. Properly promote too-small enumerations and
3436 booleans. Adjust all callers.
3437 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3438 (c_promoting_integer_type_p): Declare.
3439 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3440 * c-typeck.c: Likewise.
3441 (default_conversion): Remove now redundant boolean check.
3443 2001-04-30 Jan Hubicka <jh@suse.cz>
3444 Richard Henderson <rth@redhat.com>
3446 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3448 (combine_stack_adjustments_for_block): Don't combine stack
3449 allocation followed by deallocations. Handle grow-up stacks.
3451 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3453 * fdl.texi: New file.
3454 * c-tree.texi: Use the GFDL.
3455 * gcc.texi: Likewise.
3457 2001-04-30 Stan Shebs <shebs@apple.com>
3459 * invoke.texi: Add a section documenting Objective-C options.
3461 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3463 * emit-rtl.c (try_split): Copy EH notes to sequence.
3465 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3467 * regmove.c (record_stack_memrefs): Catch all references to the
3470 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3472 * Makefile.in (stmp-fixinc): quote shell assignment values
3474 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3476 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3480 * prefix.c: Likewise.
3482 2001-04-28 Stan Shebs <shebs@apple.com>
3484 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3485 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3486 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3487 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3489 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3490 (NEXT_OBJC_RUNTIME): Define.
3492 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3494 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3495 * simplify-rtx.c (simplify_gen_relational): Likewise.
3497 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3499 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3500 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3502 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3503 registers in SSE case; fix handling of the immediates.
3504 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3505 operands to be in regsiters before reload.
3506 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3507 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3508 (abstf,absxf,negtf,negxf splitters): Compute
3509 properly the regnum for x86_64.
3510 (avsdf2_if_rex64): New.
3512 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3514 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3515 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3516 into the constant pool.
3517 * jump.c (jump_optimize_1): Remove barrier successors after all
3518 the LABEL_NUSES counds have been computed.
3519 (delete_barrier_successors): When deleting a tablejump insn, also
3520 delete the jump table it uses.
3521 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3524 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3526 * pa.c (FRP): Remove erroneous white space in macro definition.
3528 2001-04-28 Andreas Jaeger <aj@suse.de>
3530 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3532 * extend.texi: Likewise.
3533 * tm.texi: Likewise.
3535 2001-04-28 Andreas Jaeger <aj@suse.de>
3537 * md.texi: Use XX-bit instead of XXbit or XX bit where
3540 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3542 * gcc.c (process_command): Allow -l lib in addition to -llib
3543 for POSIX compliance. This fixes PR c/2347.
3545 * invoke.texi: Update section on Link Options accordingly.
3547 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3549 * function.c (purge_addressof_1): Remove the duplicate
3550 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3553 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3555 * except.c (expand_eh_region_start): Don't start a new block.
3556 (expand_eh_region_end): Don't end a block.
3557 * stmt.c (expand_end_bindings): Don't end EH blocks.
3558 (expand_decl_cleanup): Starting an EH region won't change the block.
3559 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3560 (is_eh_region): Lose.
3563 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3565 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3567 * collect2.c (main): Add `-L' case to remove duplicate entries.
3568 (is_in_args): New function to check for a duplicate argument.
3569 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3570 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3571 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3572 Define to be nonzero.
3574 2001-04-27 Andreas Jaeger <aj@suse.de>
3575 Richard Henderson <rth@redhat.com>
3577 * md.texi (Machine Constraints): Document additional i386
3578 constraints and fix description of "A".
3580 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3582 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3584 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3586 * except.c (get_exception_filter): word_mode, not Pmode.
3588 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3590 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3591 common to other movsf patterns. Move up so that in future
3592 people who change the other patterns will change it too.
3593 (movsf_lo_sum): Allow even for soft-float; add appropriate
3595 (movsf_high): Likewise.
3596 (movsf_high+1): Allow even for soft-float.
3598 * function.c (expand_function_end): Always clobber the
3599 return registers, even if there is no return label.
3601 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3603 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3605 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3607 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3608 (pushqi2_rex64, pushhi2_rex64): Add.
3610 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3612 * except.c (expand_eh_region_end_cleanup): Force pending stack
3613 adjust before emitting label that branches around cleanup code.
3615 2001-04-26 H.J. Lu (hjl@gnu.org)
3617 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3619 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3621 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3622 (ASM_OUTPUT_SECTION_NAME): Likewise.
3623 (ASM_WEAKEN_LABEL): Likewise.
3624 (UNIQUE_SECTION): Likewise.
3625 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3626 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3627 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3628 (ASM_OUTPUT_SECTION_NAME): Likewise.
3629 (ASM_WEAKEN_LABEL): Likewise.
3630 (UNIQUE_SECTION): Likewise.
3631 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3632 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3633 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3634 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3635 (ASM_FILE_START): Likewise.
3636 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3637 (ASM_DECLARE_OBJECT_NAME): Likewise.
3638 (ASM_FILE_END): Likewise.
3639 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3640 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3641 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3642 (ASM_OUTPUT_CASE_LABEL): Likewise.
3643 (ASM_OUTPUT_SKIP): Likewise.
3644 (ASM_OUTPUT_ASCII): Likewise.
3645 (ASM_OUTPUT_IDENT): Likewise.
3646 (READONLY_DATA_SECTION): Likewise.
3647 (EXTRA_SECTIONS): Likewise.
3648 (EXTRA_SECTION_FUNCTIONS): Likewise.
3649 (SELECT_RTX_SECTION): Likewise.
3650 (SELECT_SECTION): Likewise.
3652 * config/mips/linux.h (INVOKE__main): Undefine.
3653 (CTOR_LIST_BEGIN): Likewise.
3654 (CTOR_LIST_END): Likewise.
3655 (DTOR_LIST_BEGIN): Likewise.
3656 (DTOR_LIST_END): Likewise.
3657 (SET_ASM_OP): Defined it to ".dummy".
3658 (ASM_OUTPUT_DEF): Defined.
3659 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3661 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3663 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3664 assembler supports .p2align.
3666 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3668 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3670 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3672 * integrate.c (expand_inline_function): Check for error_mark_node
3675 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3677 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3680 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3682 * configure.in (configargs.h): Define thread_model.
3683 * configure: Rebuilt.
3684 * gcc.c (main): Print it with -v.
3686 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3688 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3689 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3690 * gcc.1: Regenerate.
3692 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3694 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3695 is_redundant_typedef): Use static inline instead of inline static.
3697 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3699 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3700 this directory is always searched.
3702 2001-04-25 Richard Henderson <rth@redhat.com>
3704 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3705 of registers to restore along non eh_return path.
3707 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3709 * c-format.c (check_format_info_recurse): Handle
3710 PLUS_EXPR for format string.
3712 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3714 * config/ia64/ia64.h (CC1_SPEC): Define.
3715 * config/ia64/linux.h (CC1_SPEC): Define.
3717 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3719 * emit-rtl.c (constant_subword): Also do sign extension in
3720 BITS_PER_WORD == 16 case.
3722 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3724 * loop.c (try_swap_copy_prop): Go back to checking insn.
3726 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3728 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3729 if check_mode is non-zero.
3731 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3733 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3734 out and comparison sequence has been detected, put result into
3735 proper temporary pseudo.
3737 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3739 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3740 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3741 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3742 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3743 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3744 for future reference.
3746 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3748 * except.c (reachable_handlers): Step out one level from a RESX.
3750 * except.c (struct eh_region): Rename 'last' to 'resume'.
3751 (mark_eh_region, duplicate_eh_region_1): Adjust.
3752 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3753 (build_post_landing_pads): Likewise.
3754 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3755 (expand_eh_region_end_must_not_throw): Likewise.
3756 (connect_post_landing_pads): Thread (only) regions with non-deleted
3759 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3760 registers around the cleanup.
3761 (get_exception_filter): New fn.
3762 (finish_eh_generation): Use it.
3764 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3766 * c-semantics.c (add_scope_stmt): Don't call
3767 current_scope_stmt_stack multiple times.
3769 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3770 Nathan Sidwell <nathan@codesourcery.com>
3772 Lazy __FUNCTION__ generation.
3773 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3774 RID_C99_FUNCTION_NAME): New _RIDs.
3775 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3776 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3777 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3779 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3780 (c99_function_name_decl_node, function_name_decl_node,
3781 pretty_function_name_decl_node, saved_function_name_decls):
3783 (struct language_function): Remove x_function_name_declared_p.
3784 (make_fname_decl): Remove a parameter.
3785 (declare_function_names): Remove prototype.
3786 (start_fname_decls, finish_fname_decls): Prototype.
3787 (fname_as_string): Likewise.
3788 (fname_string, fname_decl): Likewise.
3789 * c-common.c (make_fname_decl): Adjust.
3790 (struct fname_var_t): New struct.
3791 (fname_vars): New static array.
3792 (declare_function_name): Remove.
3793 (start_fname_decls, finish_fname_decls): New functions.
3794 (fname_as_string): New function from remnants of
3795 declare_function_name.
3796 (fname_string, fname_decl): New functions.
3798 * c-decl.c (c_function_name_declared_p): Remove.
3799 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3800 don't call declare_function_name. Call start_fname_decls.
3801 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3802 clobber the line number. Call finish_decl.
3803 (start_function): Call start_fname_decls.
3804 (finish_function): Call finish_fname_decls.
3805 Remove c_function_name_declared_p.
3806 (push_c_function_context): Don't push c_function_name_declared_p.
3807 (pop_c_function_context): Don't pop c_function_name_declared_p.
3808 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3809 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3810 (program): Call finish_fname_decls for C.
3811 (primary): Add VAR_FUNC_NAME.
3812 (reswords): Add slots for __FUNCTION__ et al.
3813 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3814 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3815 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3816 * c-semantics.c (prune_unused_decls): Remove.
3817 (finish_stmt_tree): Don't call prune_unused_decls.
3818 (genrtl_decl_stmt): Don't prune unused decls here.
3820 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3822 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3823 constant pool, use the pool's SYMBOL_REF instead.
3825 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3828 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3830 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3831 passing nested NOP_EXPRs to fold.
3833 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3835 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3837 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3839 * loop.c (loop_delete_insns): Add prototype.
3841 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3843 * configure.in: Remove ENABLE_STD_NAMESPACE.
3844 * config.in: Regenerated.
3845 * configure: Regenerated.
3847 2001-04-22 Stan Shebs <shebs@apple.com>
3849 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3851 * config/rs6000/xm-darwin.h: Remove file.
3853 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3855 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3856 (write_c_file_stat): Likewise.
3858 * dbxout.c (dbxout_init): Likewise.
3860 * profile.c (output_func_start_profiler): Likewise.
3862 2001-04-22 Philipp Thomas <pthomas@suse.de>
3864 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3865 require it instead of the CVS version.
3866 * cpperror.c (v_message): Put a blank before the macro
3867 body to not confuse exgettext.
3869 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3871 * flow.c (proagate_one_insn): Remove useless assignment.
3872 * jump.c (delete_insn): Tidy.
3873 * loop.c (try_copy_prop): When deleting an instruction with a
3874 REG_RETVAL note, delete the entire libcall sequence.
3875 (loop_delete_insns): New function.
3876 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3877 we're not substituting into them yet.
3879 2001-04-21 Kazu Hirata <kazu@hxi.com>
3881 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3883 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3885 * config/i960/i960.c (signed_arith_operand): Likewise.
3887 * calls.c (expand_call): Fix a comment typo.
3889 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3891 * configure.in: Probe for times, clock, struct tms, and clock_t.
3892 * configure, config.in: Regenerate.
3893 * timevar.c: Replace ifdef forest in get_time with (relatively)
3894 straightforward series of checks based on autoconf's probes.
3896 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3898 * config/pa/som.h (NM_FLAGS): Define.
3900 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3902 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3904 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3905 * ia64.c (nop_cycles_until): New function.
3906 (prev_cycle, prev_first, last_issued): New static variables.
3907 (ia64_sched_reorder): Additional arg for clock.
3908 On final scheduling pass, emit extra NOPs as needed.
3909 Set prev_first and prev_cycle.
3910 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3911 (ia64_variable_issue): Set last_issued.
3913 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3915 * config/i386/i386.c (ix86_expand_int_movcc,
3916 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3918 2001-04-20 Geoff Keating <geoffk@redhat.com>
3920 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3921 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3922 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3923 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3924 ctrdi_internal6): In the short-branch case, this insn is only 4
3925 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3927 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3929 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3930 "=u" is used together with "st" resp. "st(1)" clobber.
3932 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3934 * gcse.c (gcse_main): Fix comment typo.
3935 (delete_null_pointer_check): Likewise.
3936 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3937 * cse.c (cse_insn): Likewise.
3938 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3941 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3943 * toplev.c: Excise all code for the undocumented -dm option.
3944 (float_signal): Call signal just once, unconditionally.
3946 2001-04-19 Geoff Keating <geoffk@redhat.com>
3948 * fold-const.c (fold): Use first_rtl_op rather than
3949 TREE_CODE_LENGTH when looping over parameters of a tree.
3950 Correct strange grouping in test for evaluated SAVE_EXPR.
3952 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3954 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3955 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3957 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3958 name at 32 total characters.
3959 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3960 functions in named sections -- data items can still go into unique
3961 sections, but they have normal names (ie $LIT$ and $DATA$).
3963 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3966 2001-04-19 DJ Delorie <dj@redhat.com>
3968 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3969 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3970 * config/i386/cygwin.h: Likewise.
3971 * config/i386/mingw32.h: Likewise.
3972 * config/vax/vms.h: Likewise.
3973 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3975 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3976 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3977 * config/i386/xm-cygwin.h: Likewise.
3978 * config/i386/xm-djgpp.h: Likewise.
3979 * config/i386/xm-mingw32.h: Likewise.
3980 * config/vax/xm-vms.h: Likewise.
3982 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3983 instead of OBJECT_SUFFIX.
3984 * collect2.c (find_a_file): Look for files matching the extension
3985 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3986 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3987 TARGET_EXECUTABLE_SUFFIX.
3988 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3989 (make_relative_prefix): Likewise.
3990 (convert_filename): Use TARGET_ suffixes throughout. Remove
3992 (process_command): Likewise.
3993 (do_spec_1): Likewise.
3994 * java/lang.c (init_parse): Likewise.
3996 * gcc.texi : Document four new options matching the pattern
3997 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3998 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3999 documentation for NO_AUTO_EXE_SUFFIX.
4001 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4003 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4004 that language-independent processing should not be done.
4005 * toplev.c (main): Adjust accordingly.
4007 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4008 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4010 * mips.md (reload_outputdi): Require that operand0 be a
4013 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4015 * invoke.texi (-Wshadow): Clarify.
4017 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4019 * loop.c (load_mems): Examine all the instructions in the loop
4020 before concluding that all jumps branch to the first instruction
4023 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4025 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4027 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4029 * cpp.texi (-Wwhite-space): Remove.
4030 (-Wall): -Wall does not imply -Wwhite-space.
4032 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4034 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4035 use it instead of blindly generating a .stabs.
4036 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4038 * xcoffout.c: Don't bother defining default for N_CATCH.
4039 (UNKNOWN_STAB): Use internal_error.
4040 (stab_to_sclass): Remove now-unnecessary aborts.
4041 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4043 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4045 * jump.c (mark_all_labels): Canonicalize the tail recursion
4046 label attached to CALL_PLACEHOLDER insns.
4048 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4050 * output.h (dump_flow_info, free_basic_block_vars,
4051 which_alternative): Delete redundant prototypes.
4053 * rtl.h (bss_section): Likewise.
4055 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4057 * dbxout.c (N_OPT): Define if not available from <stab.h>
4059 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4061 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4062 libraries and native K&R compilers.
4064 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4066 * c-typeck.c (convert_arguments): Don't check for width changes
4069 * invoke.texi (-Wtraditional): Update documentation.
4071 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4073 * toplev.c (output_lang_identify): Delete.
4074 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4075 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4076 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4077 after calling ASM_FILE_END.
4079 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4080 Instead, unconditionally emit an N_OPT stab with string equal
4081 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4083 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4085 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4086 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4087 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4088 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4089 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4090 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4091 config/i370/i370.h, config/i386/beos-elf.h,
4092 config/i386/osf1elf.h, config/i386/osfrose.h,
4093 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4094 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4095 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4096 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4097 config/mips/iris6.h, config/mips/osfrose.h,
4098 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4099 config/sparc/sp64-elf.h:
4100 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4101 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4103 * config/elfos.h, config/freebsd.h, config/linux.h,
4104 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4105 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4106 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4107 of ASM_FILE_START which merely emit a .version directive. Delete
4108 definitions of ASM_FILE_END which merely emit an .ident directive.
4110 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4111 ASM_IDENTIFY_GCC and move part of its logic into
4114 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4115 config/sparc/linux-aout.h: Don't emit .version directive in
4118 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4119 (output_file_start): Correct comment.
4121 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4122 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4124 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4125 * config/rs6000/aix.h: Correct comment.
4127 * config/i386/i386afe.h: Delete.
4128 * config.gcc: Remove references to i386afe.h.
4130 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4131 other macros deleted by this patch were undocumented.
4133 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4135 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4137 * pa.c (secondary_reload_class): SAR<->FP copies require a
4140 * install.texi (mips-mips-bsd): Update list of functions
4141 required to include memmove.
4142 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4143 used functions to include memmove.
4145 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4147 * i386.md (sqrtdf2): SFmode should be DFmode.
4149 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4151 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4152 (find_moveable_store): Likewise.
4154 2001-04-15 Jim Wilson <wilson@redhat.com>
4156 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4158 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4160 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4161 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4163 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4165 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4168 2001-04-14 Alan Modra <amodra@one.net.au>
4170 * pa.c (force_mode): New function.
4171 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4173 2001-04-13 Jim Wilson <wilson@redhat.com>
4175 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4176 (first_instruction): New static variable.
4177 (rtx_needs_barrier): Return 1 for alloc.
4178 (init_insn_group_barriers): Set first_instruction.
4179 (rws_sum): Delete duplicate definition.
4180 (group_barrier_needed_p): Return 0 when first_instruction true.
4181 (safe_group_barrier_needed_p): Save and restore first_instruction
4182 around group_barrier_needed_p call.
4184 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4186 * expr.h (enum libfunc_index): Add LTI_memmove.
4187 (memmove_libfunc): Define macro.
4188 * optabs.c (init_optabs): Initialize memmove_libfunc.
4189 * expr.c (expand_assignment): Use memmove_libfunc instead of
4192 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4194 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4197 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4199 * Makefile.in (reg-stack.o): Depend on reload.h.
4200 (insn-attrtab.o): Depend on flags.h.
4202 * genattrtab (main): Include flags.h in insn-attrtab.c.
4204 * reg-stack.c: Include reload.h.
4206 * sparc.h (flag_pic): Delete redundant declaration.
4208 * output.h (flag_pic): Likewise.
4210 * tree.h (pedantic): Likewise.
4212 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4214 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4216 * jump.c, regmove.c, toplev.c: Include reload.h.
4218 * reload.h (reload_cse_regs): Declare.
4220 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4221 reload_cse_regs, init_reload, mark_home_live, reload,
4222 init_caller_save): Delete redundant prototypes.
4224 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4226 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4228 * regclass.c, ssa.c: Include expr.h.
4230 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4231 gen_move_insn): Delete redundant declarations.
4233 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4235 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4236 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4237 MAKEINFO and MAKEINFOFLAGS too.
4238 (stage4_build): Correctly order -B flags.
4240 2001-04-13 Alan Modra <amodra@one.net.au>
4242 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4243 PIC_OFFSET_TABLE_SAVE_RTX.
4244 (zdepi_cint_p): Describe zdepi insn.
4245 Formatting and white space fixes throughout file.
4247 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4248 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4249 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4250 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4251 (output_64bit_and): Use plain `int's for shift counts.
4252 (output_64bit_ior): Likewise.
4253 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4254 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4257 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4258 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4259 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4260 NEW_HP_ASSEMBLER into one. Kill warnings.
4262 * pa-gas.h: Delete file.
4263 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4264 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4265 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4266 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4268 * config/pa/mill32.S: New file.
4269 * config/pa/mill64.S: New file.
4270 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4271 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4272 * config/pa/t-linux64: New file.
4273 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4274 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4275 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4277 * elfos.h (SELECT_SECTION): Undef before defining.
4278 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4279 (LIB_SPEC): Remove -lmilli.
4280 (DBX_REGISTER_NUMBER): Remove.
4281 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4282 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4283 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4284 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4285 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4286 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4287 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4288 TARGET_GAS): Define.
4289 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4290 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4291 regs if we don't have a prototype.
4292 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4293 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4294 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4295 EH_RETURN_HANDLER_RTX): Define.
4296 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4297 (DWARF_FRAME_REGNUM): Define.
4298 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4299 * pa32-linux.h: New file.
4300 * pa64-linux.h: New file.
4302 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4303 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4304 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4305 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4306 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4307 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4308 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4309 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4310 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4311 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4312 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4313 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4314 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4315 * pa64-hpux.h: New file.
4316 (ASM_FILE_START): Correct typo.
4317 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4318 * config.gcc: Modify for above.
4320 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4322 * jump.c (jump_optimize_1): Don't delete dead stores here.
4323 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4324 prior to running jump optimize before cse2.
4326 2001-04-12 Richard Henderson <rth@redhat.com>
4328 * Makefile.in (regmove.o): Depend on except.h.
4329 * regmove.c: Include it.
4331 2001-04-12 Stan Shebs <shebs@apple.com>
4333 * objc/objc-act.c: Remove all code ifdefed with the never-used
4334 macro OBJC_INT_SELECTORS.
4335 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4336 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4338 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4340 * config/pa/quadlib.c: Add prototypes.
4342 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4344 * bitmap.h (debug_bitmap): Delete redundant prototype.
4346 * rtl.h (get_frame_size): Likewise.
4348 2001-04-12 Jim Wilson <wilson@redhat.com>
4350 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4351 to just emit an fnorm.
4353 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4355 * c-common.h (truthvalue_conversion, type_for_mode,
4356 type_for_size): Delete redundant declarations.
4358 * c-lex.h (is_class_name): Likewise.
4360 * c-tree.h (pedantic, convert, getdecls, gettags,
4361 global_bindings_p, init_decl_processing, insert_block,
4362 maybe_build_cleanup, poplevel, print_lang_decl,
4363 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4364 set_block, incomplete_type_error, build_function_call,
4365 lvalue_or_else, mark_addressable): Likewise.
4367 * expr.h (expand_tree_builtin): Likewise.
4369 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4371 * invoke.texi: Document --param max-gcse-memory.
4373 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4375 * configure.in (errno): Check for declaration.
4376 * configure, config.in: Regenerated.
4378 * system.h (errno): Only declare if not already done.
4380 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4382 * recog.c (general_operand, immediate_operand,
4383 nonmemory_operand): Require CONST_INTs to be sign-extended
4384 values for their modes.
4386 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4388 * expmed.c (store_bit_field): Truncate CONST_INTs.
4389 (expand_mult_highpart, expand_divmod): Likewise.
4390 * expr.c (convert_modes, store_field): Likewise.
4391 * integrate.c (expand_inline_function): Use promote_mode() to
4392 determine whether to convert_modes() an argument as signed
4394 * optabs.c (expand_binop): Get CONST_INT operands
4395 sign-extended for their appropriate modes.
4396 * stmt.c (emit_case_nodes): Convert node values to the
4398 (expand_end_case): Convert minval and range to the appropriate
4400 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4401 the iteration variable.
4402 * varasm.c (immed_double_const): Don't require words to be
4403 narrower than host wide ints to properly sign-extend
4406 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4408 * sh.md (builtin_setjmp_receiver): New expander.
4410 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4412 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4413 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4414 for generating CONST_INT and CONST_DOUBLE.
4416 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4418 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4419 already sign-extended.
4420 (rs6000_emit_prologue): Make register iterator signed.
4421 (rs6000_emit_epilogue): Likewise.
4422 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4424 (movsf split, movdf split): Sign-extend CONST_INTs.
4425 (movdi splits): Likewise.
4427 2001-04-12 Kelley Cook <kelley.cook@home.com>
4429 * config-lang.in (lang_dirs): Add in zlib.
4431 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4433 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4434 operands that make it to RTL.
4436 2001-04-11 Stan Shebs <shebs@apple.com>
4438 Add Darwin (Mac OS X kernel) native support.
4439 * config.gcc (powerpc-*-darwin*): Add native bits.
4440 * config/darwin.c: New file, generic Darwin support functions.
4441 * config/darwin.h: New file, generic Darwin definitions.
4442 * config/darwin-protos.h: New file, generic Darwin prototypes.
4443 * rs6000/darwin.h: New file, Darwin for PowerPC.
4444 * rs6000/t-darwin: New file, Darwin makefile fragment.
4445 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4446 (TARGET_MACHO): Ditto.
4447 (rs6000_abi): Add ABI_DARWIN.
4448 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4449 (RS6000_SAVE_AREA): Ditto.
4450 (FP_ARG_MAX_REG): Ditto.
4451 (RETURN_ADDRESS_OFFSET): Ditto.
4452 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4454 (rs6000_emit_move): Add ABI_DARWIN cases.
4455 (print_operand): Ditto.
4456 (first_reg_to_save): Ditto.
4457 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4458 (debug_stack_info): Ditto.
4459 (rs6000_emit_prologue): Ditto.
4460 (rs6000_emit_epilogue): Ditto.
4461 (output_profiler_hook): Ditto.
4462 (output_function_profiler): Ditto.
4463 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4464 (output_mi_thunk): Add TARGET_MACHO case.
4465 (add_compiler_stub): Ditto.
4466 (output_compiler_stub): Ditto.
4467 (no_previous_def): Ditto.
4468 (output_call): Ditto.
4469 (machopic_output_stub): Ditto.
4470 (rs6000_machopic_legitimize_pic_address): Ditto.
4471 (toc_section): Ditto.
4472 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4473 (macho_high): Ditto.
4476 (load_macho_picbase): Ditto.
4477 (call): Add TARGET_MACHO case to modify function.
4478 (call_value): Ditto.
4479 (call_nonlocal_sysv): Add ABI_DARWIN case.
4480 (call_value_nonlocal_sysv): Ditto.
4481 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4483 (machopic_output_stub): Ditto.
4484 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4486 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4488 * dwarf2out.c (modified_type_die): Don't create new types here.
4489 * tree.h (get_qualified_type): New function.
4490 (build_qualified_type): Adjust comment.
4491 * tree.c (get_qualified_type): New function.
4492 (build_qualified_type): Use it.
4494 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4496 * cpp.texi (-Wtraditional): Update description.
4498 * invoke.texi (-Wtraditional): Likewise.
4500 2001-04-11 Jim Wilson <wilson@redhat.com>
4502 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4503 requires more than 64 bits of alignment.
4505 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4507 * cpplib.c (do_line): Sanity check iff enable checking.
4509 2001-04-11 Richard Henderson <rth@redhat.com>
4511 * Makefile.in (insn-recog.o): Depend on toplev.h.
4512 (insn-emit.o, doloop.o): Likewise.
4513 * genrecog.c, genemit.c: Include toplev.h in generated file.
4514 * doloop.c: Include toplev.h.
4516 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4518 * Makefile.in (gcse.o): Depend on params.h.
4519 * gcse.c: Include params.h.
4520 (gcse_main): Don't do GCSE if doing so will take inordinate
4522 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4523 * params.h (MAX_GCSE_MEMORY): New macro.
4525 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4527 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4529 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4531 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4533 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4535 * real.h (ereal_atof, real_value_truncate, target_isnan,
4536 target_isinf, target_negative, assemble_real, debug_real): Delete
4537 redundant prototypes.
4539 * Makefile.in (ifcvt.o): Depend on toplev.h.
4541 * c-semantics.c: Include expr.h.
4543 * ifcvt.c: Include toplev.h.
4545 * expr.h (rtx_equal_p): Delete prototype.
4547 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4548 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4549 eliminate_constant_term, expand_complex_abs, find_single_use,
4550 make_tree, init_expr_once, init_optabs, supports_one_only):
4553 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4554 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4555 expand_assignment, store_expr, emit_line_note_after,
4556 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4558 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4560 * sparc-protos.h: Delete redundant prototypes.
4562 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4564 * reload.c (push_reload): Add condition missed in SUBREG byte
4567 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4569 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4571 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4573 * i386.md (floatsisf_sse): Fix output template
4574 * i386.c (ix86_expand_fp_movcc)
4576 * reg-stack.c (emit_pop_insn): Handle complex modes.
4577 (move_for_stack_reg): Emit proper move mode.
4578 (subst_stack_regs_pat): Handle complex modes.
4580 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4582 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4584 2001-04-10 Richard Henderson <rth@redhat.com>
4586 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4587 (__pure_virtual, __terminate, __terminate_set_func,
4588 __default_terminate, __throw_type_match, __empty,
4589 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4590 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4591 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4592 Remove prototypes of deleted functions.
4594 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4596 * c-typeck.c (convert_arguments): -Wtraditional now activates
4597 -Wconversion warnings, except for changes in signed-ness.
4598 Detect complex<->int & int<->complex conversions as well.
4600 * invoke.texi (-Wtraditional): Document it.
4602 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4605 * flow.c (set_block_for_new_insns): Remove needless cast and
4606 properly check for unset block number.
4608 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4610 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4611 the subreg was a hard register. Pseudos are left as subregs.
4613 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4615 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4616 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4617 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4618 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4619 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4621 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4623 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4625 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4627 * output.h (set_block_num): Missed it earlier, remove deprecated
4630 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4632 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4633 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4634 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4635 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4636 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4637 (expr_killed_p): Change bb parameter from int to basic_block, pass
4638 basic_blocks instead of ints as parameters.
4639 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4640 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4641 from int to basic_block, pass basic_blocks instead of ints as parms.
4642 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4643 parameter from int to basic_block, pass basic_blocks instead of ints.
4644 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4645 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4646 pass basic_blocks instead of ints.
4647 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4648 basic_blocks instead of ints as parameters.
4649 (pre_delete): Pass basic_blocks instead of ints as parameters.
4650 (hoist_expr_reaches_here_p): Change bb parameter from int to
4651 basic_block, pass basic_blocks instead of ints.
4652 (hoist_code): Pass basic_blocks instead of ints as parameters.
4653 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4654 Change bb parameter from int to basic_block.
4655 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4656 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4657 pass basic_blocks instead of ints.
4658 (insert_store): Pass basic_blocks instead of ints as parameters.
4659 (replace_store_insn, delete_store): Change bb parameter from int to
4660 basic_block, pass basic_blocks instead of ints.
4661 (store_motion): Pass basic_blocks instead of ints as parameters.
4663 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4665 * basic-block.h (set_new_block_for_insns): New Prototype.
4666 (set_block_num): Delete prototype.
4667 * flow.c (set_block_num): Remove obsolete function.
4668 (set_block_for_new_insns): Set BB for single or multiple insns.
4669 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4670 (process_insn_end_bb): Use set_block_for_new_insns or
4671 set_block_for_insn instead of set_block_num.
4672 (pre_insert_copy_insn): Use set_block_for_new_insns.
4673 (update_ld_motion_stores): Use set_block_for_new_insns.
4674 (insert_insn_start_bb): Use set_block_for_new_insns.
4675 (replace_store_insn): Use set_block_for_new_insns.
4677 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4678 Jeff Law <law@redhat.com>
4680 * alias.c (get_addr): Externalize.
4681 (canon_true_dependence): New function. Behaves like true_dependance
4682 except it already assumes a MEM has been canonicalized.
4683 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4684 * gcse.c (struct ls_expr): Add load/store expressions structure.
4685 (modify_mem_list, canon_modify_mem_list): New variable.
4686 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4687 load motion and store motion if requested.
4688 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4689 (free_gcse_mem): Free the modify_mem_list array.
4690 (oprs_unchanged_p): Use load_killed_in_block_p.
4691 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4692 (mems_conflict_for_gcse_p): New function. Don't kill loads
4693 with stores to themselves if its in the load/store expression list.
4694 (load_killed_in_block_p): New function.
4695 (canon_list_insert): New Function.
4696 (record_last_mem_set_info): Keep a list of all instructions which
4697 can modify memory for each basic block.
4698 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4699 (oprs_not_set_p): Use load_killed_in_block_p.
4700 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4701 (expr_killed_p): Use load_killed_in_block_p.
4702 (compute_transp): Do not pessimize memory references.
4703 (pre_edge_insert): Update stores for a load motion expression.
4704 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4705 (ldst_entry): Find or create a ldst_expr structure.
4706 (free_ldst_entry): Free memory for an individual item.
4707 (free_ldst_mems): Free entire load/store expression list.
4708 (print_ldst_list): Print debug info.
4709 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4710 (enumerate_ldsts): Assign integer values to each entry in list.
4711 (first_ls_expr): First expression in the list.
4712 (next_ls_expr): Next expression in the list.
4713 (simple_mem): Check if expression qualifies for ld/st expression list.
4714 (invalidate_any_buried_refs): Remove from expression list if its
4715 used in some other way we dont understand.
4716 (compute_ld_motion_mems): Find all potential enhanced load motion
4718 (trim_ld_motion_mems): Remove any expressions which are invalid.
4719 (update_ld_motion_stores): Copy store values to registers for loads
4720 which have been moved.
4721 (regvec, st_antloc, num_store): New global statics.
4722 (reg_set_info): Marks registers as set.
4723 (store_ops_ok): Verfies registers expressions are valid in a block.
4724 (find_moveable_store): Look for moveable stores in a pattern.
4725 (compute_store_table): Find stores in a function worth moving, maybe.
4726 (load_kills_store): Check dependance of a load and store.
4727 (find_loads): Find any loads in a pattern.
4728 (store_killed_in_insn): Check if a store is killed in an insn.
4729 (store_killed_after): Check is store killed after an insn in a block.
4730 (store_killed_before): Check is store killed before an insn in a block.
4731 (build_store_vectors): Generate the antic and avail vectors.
4732 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4733 (insert_store): Add a store to an edge.
4734 (replace_store_insn): Replace a store with a SET insn.
4735 (delete_store): Delete a store insn.
4736 (free_store_memory): Free memory.
4737 (store_motion): Perform store motion.
4738 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4739 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4740 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4741 (f_options): Add gcse-lm and gcse-sm.
4743 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4745 * i386.c (expand_fp_movcc): Fix condition reversal code.
4747 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4748 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4749 (CLASS_MAX_NREGS): Use it.
4751 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4752 handle properly complex values.
4753 (CLASS_MAX_NREGS): Likewise; update comment.
4755 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4757 * ia64.c (ia64_flag_schedule_insns2): New variable.
4758 (ia64_override_options): Initialize it. Clear
4759 flag_schedule_insns_after_reload.
4760 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4762 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4764 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4765 Do not require source to match destination anymore;
4766 Add abort to the nontrivial cases that should be handled by split.
4767 (fix_trunc?fdi): Add SSE case for x86_64.
4768 (floatdi?f): Likewise.
4769 (floatdi?f_sse): New.
4770 (fix_trunc?fdi_sse): New.
4772 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4774 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4775 (DEBUG_ARANGES_END_LABEL): Ditto.
4776 (dwarfout_init): Generate length and version fields at the start
4777 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4778 after the length field.
4779 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4780 the .debug_aranges info.
4782 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4784 * i386.c (call, call_value): Make sure that resulting call_insn
4785 does have proper second operand.
4787 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4789 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4790 function. Remove include of sys/cygwin.h.
4792 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4794 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4795 (CPP_SPEC): Always search */include/w32api for header files.
4796 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4797 (LINK_SPEC): Add "cyg" to the library search prefixes.
4799 2001-04-08 Philip Blundell <philb@gnu.org>
4801 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4803 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4805 * cpperror.c (print_location): Don't special case <stdin>.
4806 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4807 WARNING, but we don't check if we're in system headers.
4808 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4809 * cpplib.c (do_warning): Warn in system headers.
4811 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4813 * mbchar.c: Include config.h first.
4815 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4817 * config.gcc: Set default for xmake_file at top, not bottom.
4818 Change places that set xmake_file to "none" to set to the
4819 empty string instead, or remove them entirely if there is no
4820 default xmake_file for this cpu_type. Remove references to
4823 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4824 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4825 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4826 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4827 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4828 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4829 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4830 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4831 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4832 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4835 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4836 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4837 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4838 config/mips/x-sysv, config/rs6000/x-aix31:
4839 Just set CLIB to -lld or -lmld, as appropriate.
4841 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4842 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4843 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4844 config/mips/x-iris, config/pa/x-pa:
4845 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4846 OTHER_FIXINCLUDES_DIRS.
4848 * config/i386/x-djgpp: Don't set LN or LN_S.
4849 * config/m88k/x-dolph: Don't define __m88k__.
4850 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4851 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4852 * config/i860/fx2800.h: No need to #undef SVR4.
4854 38 x-host fragments remain, 2 x-cpu.
4856 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4858 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4860 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4862 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4864 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4866 * configure.in: Add check for lstat.
4867 * configure, config.in: Regenerate.
4868 * cppinit.c (append_include_chain): Make empty path ".".
4869 * cpplib.c (do_line): Don't simplify #line paths.
4870 * cppfiles.c (remove_component_p): New function.
4871 (find_or_create_entry): Acknowledge stat () errors during
4872 path simplification.
4873 (handle_missing_header): Don't simplify paths.
4874 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4875 the empty path untouched. Don't leave a trailing '/'.
4877 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4879 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4880 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4882 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4884 * cppfiles.c (open_file): Fail directories silently, but
4885 with an errno of NOENT set.
4886 (read_include_file): Move the common exit code to the sole
4887 caller. Return an int indicating success or failure. Let
4888 open_file handle directories.
4889 (stack_include_file): If read_include_file fails,
4890 push a "null" buffer.
4892 2001-04-05 DJ Delorie <dj@redhat.com>
4894 * function.h (virtuals_instantiated): Declare.
4895 * function.c: (virtuals_instantiated): Make global.
4896 * calls.c (emit_library_call_value_1): Use
4897 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4898 Otherwise, use the stack pointer directly.
4900 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4902 * i386.c (x86_initialize_trampoline): New global function.
4903 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4904 (INITIALIZE_TRAMPOLINE): Move offline.
4905 * i386-protos.h (x86_initialize_trampoline): Declare.
4907 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4909 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4910 (lea_0): Rename to lea_1.
4911 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4912 (lea_general_?): Allow SImodes on TARGET_64BIT
4913 (lea_general_?_zext): New patterns.
4914 (call_1, call_1_rex64): Fix.
4916 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4918 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4920 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4922 * i386.c (function_arg): Return constm1_rtx for last argument.
4923 (ix86_expand_prologue): Update gen_call calls.
4924 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4925 * i386.md (call_pop): Likewise.
4926 (call): Second operand is VOIDmode.
4927 (call_0): Likewise; Support 64bits.
4928 (call_exp): New expander.
4929 (call_1): Get to the sync.
4930 (call_1_exp): New pattern.
4931 (call_value): Support 64bit.
4932 (call_value_exp): New pattern.
4933 (untyped_call): Update gen_call call.
4934 (call_value_pop): Disable for 64bit.
4935 (call_value_0_rex64): New pattern.
4936 (call_value_1_rex64): Likewise.
4938 2001-04-05 Bo Thorsen <bo@suse.de>
4940 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4942 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4944 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4945 satisfies ANY_QI_REG_P.
4947 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4949 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4952 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4955 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4957 * config.gcc: Remove default for xm_file. Clean up local
4958 machine type handling. Remove settings of xm_file to
4959 something that doesn't exist. In the big switch, set xm_file,
4960 don't append to it (the value before the big switch is always
4961 null). Don't force build_xm_file or host_xm_file to have a value.
4962 * configure.in: Remove default for xm_file. Do not special
4963 case $cpu/xm-$cpu.h not existing.
4964 * configure: Regenerate.
4966 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4968 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4969 when folding integer division and modulo operations.
4971 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4973 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4974 instead of DWARF2_ADDR_SIZE for EH addresses.
4975 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4978 2001-04-04 Richard Henderson <rth@redhat.com>
4980 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4981 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4982 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4984 2001-04-04 Richard Henderson <rth@redhat.com>
4986 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4987 * configure: Rebuilt.
4989 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4991 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4992 push insns to delete to it instead of deleting them.
4993 (delete_null_pointer_checks): Delete insns from delete_list after
4994 all delete_null_pointer_checks_1 passes are done.
4996 2001-04-04 Richard Henderson <rth@redhat.com>
4998 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4999 * configure: Rebuilt.
5001 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5003 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5004 * config/romp/xm-romp.h: Delete.
5006 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5008 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5011 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5013 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5014 all labels present in rtx.
5015 (try_split) Call new function for all split insns.
5017 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5019 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5020 sure the change won't be validated.
5022 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5024 * rtl.h (set_noop_p): Declare.
5025 * flow.c (set_noop_p): Move from here ...
5026 * rtlanal.c (set_noop_p): ... to here and enhance.
5027 * cse.c (delete_trivially_dead_insns): Use it.
5028 * gcse.c (hash_scan_set): Likewise.
5029 * jump.c (delete_noop_moves): Likewise.
5030 * recog.c (split_all_insns): Likewise.
5032 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5034 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5035 stack pointer via a LO_SUM. Ditto for setting a temp register
5036 used to save to the stack. Set cfa_temp when setting fp, and
5037 allow matches to cfa_temp in addition to cfa_store when saving
5038 regs. Handle POST_INC and LO_SUM register stores. Document the
5039 changes and errors in rule 12 doco.
5041 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5042 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5043 (load_reg): Move closer to epilogue code.
5044 (DO_FRAME_NOTES): Define to control the following..
5045 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5046 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5048 (hppa_expand_epilogue): Likewise.
5050 2001-04-03 Richard Henderson <rth@redhat.com>
5052 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5053 * configure: Rebuild.
5055 2001-04-03 Richard Henderson <rth@redhat.com>
5057 * rtl.h (LCT_THROW): New.
5058 * calls.c (emit_library_call_value_1): Handle it.
5059 * except.c (connect_post_landing_pads): Use it.
5061 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5063 * gansidecl.h: Delete file.
5064 * configure.in: Change all refs to gansidecl.h to use
5065 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5067 * configure: Regenerate.
5069 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5070 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5071 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5072 Don't include gansidecl.h.
5073 * intl.c, main.c, version.c, fixinc/fixlib.h,
5074 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5077 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5079 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5082 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5084 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5085 config/i386/xm-next.h, config/i386/xm-sco.h,
5086 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5087 config/m88k/xm-m88k.h: Delete.
5089 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5090 * config/romp/xm-romp.h: Don't define bcopy.
5091 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5092 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5094 * config.gcc: Remove references to deleted files.
5096 14 xm-host.h remain, 1 xm-cpu.h.
5098 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5099 David S. Miller <davem@pierdol.cobaltmicro.com>
5100 Andrew MacLeod <amacleod@redhat.com>
5102 Use byte offsets in SUBREGs instead of words.
5104 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5105 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5106 to pass new argument.
5107 (add_stored_regs): Use subreg_regno_offset function.
5108 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5110 (precompute_arguments): Use gen_lowpart_SUBREG.
5111 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5112 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5113 (simplify_set): Rework to use SUBREG_BYTE.
5114 (expand_field_assignment): Use SUBREG_BYTE.
5115 (make_extraction): Use SUBREG_BYTE.
5116 (if_then_else_cond): Use SUBREG_BYTE.
5117 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5118 (gen_lowpart_for_combine): Compute full byte offset.
5119 * cse.c (mention_regs): Use SUBREG_BYTE.
5120 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5121 (canon_hash): Use SUBREG_BYTE.
5122 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5123 (gen_lowpart_if_possible): Formatting.
5124 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5126 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5127 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5128 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5129 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5130 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5131 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5132 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5133 certain invariants about SUBREGs the compiler creates.
5134 (gen_lowpart_SUBREG): New function.
5135 (subreg_hard_regno): New function to get the final register number.
5136 (gen_lowpart_common): Use SUBREG_BYTE.
5137 (gen_imagpart): Spacing nits.
5138 (subreg_realpart_p): Use SUBREG_BYTE.
5139 (gen_highpart): Use SUBREG_BYTE.
5140 (subreg_lowpart_p): Always compute endian corrected goal offset,
5141 even at the byte level, then compare against that.
5142 (constant_subword): New function, pulled out all constant cases
5143 from operand_subword and changed second argument name to offset.
5144 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5145 and call constant_subword to do the work. Return const0_rtx if
5146 looking for a word outside of OP.
5147 (operand_subword_force): Change second arg name to offset.
5148 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5149 (store_split_bit_field): Use SUBREG_BYTE.
5150 (extract_bit_field): Use SUBREG_BYTE.
5151 (extract_split_bit_field): Use SUBREG_BYTE.
5152 (expand_shift): Use SUBREG_BYTE.
5153 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5154 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5155 * flow.c (set_noop_p): Use SUBREG_BYTE.
5156 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5157 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5158 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5160 (optimize_bit_field): Use SUBREG_BYTE.
5161 (purge_addressof_1): Use SUBREG_BYTE.
5162 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5163 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5164 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5165 * gengenrtl.c (special_rtx): Add SUBREG.
5166 * global.c (mark_reg_store): Use SUBREG_BYTE.
5167 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5168 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5169 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5170 final byte offset is congruent to subreg's mode size.
5171 (subst_constants): Use SUBREG_BYTE.
5172 (mark_stores): Use subreg_regno_offset function.
5173 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5174 function and SUBREG_BYTE.
5175 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5176 (reg_is_born): Use subreg_hard_regno.
5177 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5178 endian correction code. Don't combine subregs unless resulting
5179 offset aligns with type. Fix subreg constant extraction for DImode.
5180 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5181 (general_operand): Remove dead mode_altering_drug code.
5182 (indirect_operand): Use SUBREG_BYTE.
5183 (constrain_operands): Use subreg_regno_offset function.
5184 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5185 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5186 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5187 * regs.h (REG_SIZE): Allow target to override.
5188 (REGMODE_NATURAL_SIZE): New macro which target can override.
5189 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5190 on the entire subreg rtx.
5191 (push_reload): Use SUBREG_BYTE in comments and code.
5192 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5193 for hard registers inside subregs.
5194 (operands_match_p): Use subreg_regno_offset.
5195 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5196 containing hard regs.
5197 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5198 corrections when fixing up MEM subregs.
5199 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5200 subreg_regno_offset where appropriate.
5201 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5202 byte endian corrections when fixing up MEM subregs.
5203 (subst_reloads): When combining two subregs, make sure final
5204 offset is congruent to subreg's mode size.
5205 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5206 (refers_to_regno_for_reload_p): Use subreg_regno.
5207 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5208 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5209 correction code for memory subreg fixups.
5210 (forget_old_reload_1): Use subreg_regno_offset.
5211 (choose_reload_regs): Use subreg_regno.
5212 (emit_input_reload_insns): Use SUBREG_BYTE.
5213 (reload_combine_note_store): Use subreg_regno_offset.
5214 (move2add_note_store): Use subreg_regno_offset.
5215 * resource.c (update_live_status, mark_referenced_resources): Use
5216 subreg_regno function.
5217 (mark_set_resources): Use subreg_regno function.
5218 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5219 (subreg_regno_offset, subreg_regno): Define prototypes.
5220 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5221 (gen_lowpart_SUBREG): Add prototype.
5222 * rtl.texi (subreg): Update to reflect new byte offset representation.
5223 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5224 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5225 (reg_overlap_mentioned_p): Use subreg_regno.
5226 (replace_regs); Make sure final offset of combined subreg is
5227 congruent to size of subreg's mode.
5228 (subreg_regno_offset): New function.
5229 (subreg_regno): New function.
5230 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5231 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5232 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5233 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5234 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5235 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5236 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5237 (print_operand): Use SUBREG_BYTE.
5238 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5239 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5240 (arm_reload_out_hi): Use SUBREG_BYTE.
5241 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5242 instead of SUBREG_WORD.
5243 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5244 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5245 SUBREG creation to use byte offset.
5246 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5247 inverted load insns): Fix explicit rtl subregs to use byte
5249 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5250 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5251 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5252 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5253 to use byte offsets.
5254 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5255 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5256 offsets, also make sure it is congruent to SUBREG's mode size.
5257 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5258 unnamed ldob insn): Generate SUBREGs with byte offset.
5259 (zero_extendqihi2): SUBREG's are byte offsets.
5260 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5261 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5262 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5263 zero-extendqisi2): Generate SUBREGs with byte offset.
5264 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5265 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5266 subregs in rtl to use byte offsets.
5267 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5268 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5269 (mips_move_2words): Use subreg_regno_offset.
5270 (mips_secondary_reload_class): Use subreg_regno_offset.
5271 * config/mips/mips.md (DImode plus, minus, move, and logical op
5272 splits): Fixup explicit subregs in rtl to use byte offsets.
5273 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5274 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5275 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5276 rtl to use byte offsets.
5277 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5278 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5279 subregs to use byte offsets.
5280 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5281 Fixup explicit subregs in rtl to use byte offsets.
5282 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5283 and remove byte endian correction code.
5284 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5285 (gen_ashift_hi): Use SUBREG_BYTE.
5286 (regs_used): Use subreg_regno_offset.
5287 (machine_dependent_reorg): Use subreg_regno_offset.
5288 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5289 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5290 (movdf_i4): Subregs are byte offsets now.
5291 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5292 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5293 (REGMODE_NATURAL_SIZE): Override.
5294 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5295 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5297 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5298 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5299 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5300 it is congruent to SUBREG's mode size.
5301 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5303 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5304 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5305 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5306 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5307 * config/v850/v850.c (print_operand, output_move_double): Use
5308 subreg_regno function.
5310 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5312 * configure.in (target_subdir): Use target_alias, not target.
5313 * configure: Rebuilt.
5315 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5317 * config/sh/crti.asm: Fix typos in comments.
5319 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5321 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5322 TARGET_FAST_INDIRECT_CALLS.
5323 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5325 (return_addr_rtx): Short circuit export stub matching when
5326 TARGET_NO_SPACE_REGS.
5327 (output_millicode_call): For out of range calls, make -fPIC
5328 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5329 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5330 * pa.md: Modify length attr calculation of all millicode insns to
5333 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5335 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5336 Require at least 2.11 in the version test. Specifically check
5337 for and reject GAS version 2.10.90.
5338 * configure: regenerate.
5340 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5342 * pa.c (override_options): Remove PIC profiling warning.
5343 (hp_profile_labelno): Delete.
5344 (hp_profile_label_rtx): Delete.
5345 (hp_profile_label_name): Delete.
5346 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5347 (output_function_prologue): Remove profiling code and all tests on
5348 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5349 merge_sp_adjust_with_store can work for PIC and profiling.
5350 (hppa_expand_epilogue): Remove profile_flag test.
5351 (hppa_can_use_return_insn_p): Likewise.
5352 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5353 cater for PROFILE_HOOK.
5354 (hppa_profile_hook): New function.
5355 * pa.h (FUNCTION_PROFILER): Now does nothing.
5356 (PROFILE_HOOK): Define.
5357 (hppa_profile_hook): Declare.
5358 (PROFILE_BEFORE_PROLOGUE): Delete.
5359 (ASM_OUTPUT_REG_PUSH): Delete.
5360 (ASM_OUTPUT_REG_POP): Delete.
5361 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5362 r24. Accept function name operand, and use this and a locally
5363 generated label to calculate pc-rel offset to func start.
5365 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5367 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5368 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5371 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5373 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5374 LO_SUM cases to where they belong.
5376 2001-04-02 Richard Henderson <rth@redhat.com>
5378 * except.h (lang_eh_type_covers): Mark extern.
5379 (lang_eh_runtime_type): Likewise.
5381 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5383 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5384 gengenrtl.c: Wrap generated header in multiple-include guard.
5385 Improve error checking.
5387 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5389 * configure.in: Don't check for putenv.
5390 * configure: Regenerate.
5391 * gcc.c (putenv): Don't define.
5392 * vax/xm-vms.h: Handle putenv.
5394 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5396 * ifcvt.c (noce_emit_move_insn): New.
5397 (noce_try_store_flag, noce_try_store_flag_constants,
5398 noce_try_store_flag_inc, noce_try_store_flag_mask,
5399 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5400 noce_try_abs): Use it.
5401 (noce_process_if_block): Likewise.
5402 For STRICT_LOW_PART, take mode from its SUBREG.
5404 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5406 * fold-const.c (fold): Before optimizing unsigned comparison with
5407 0x7fffffffU, make sure arg0 is integral type.
5409 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5411 * c-tree.texi: Document representation of wide strings.
5413 2001-04-01 Richard Henderson <rth@redhat.com>
5415 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5417 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5419 * i386.md: remove obsoleted comments.
5420 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5421 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5422 fix output template.
5424 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5426 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5428 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5430 * loop.c (load_mems): When generating a load from a pseudo, update
5433 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5435 * i386.c (ix86_split_long_move): Use change address to compensate
5436 stack pointer change in push instruction.
5438 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5440 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5441 instead of rtx_equal_p; fix the output template.
5443 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5445 * i386.c (ix86_expand_setcc): Support 64bit.
5446 (ix86_expand_int_movcc): Likewise.
5447 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5450 * i386.md (allocate_stack_worker): Turn to expander.
5451 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5453 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5455 2001-03-29 Richard Henderson <rth@redhat.com>
5457 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5459 2001-03-28 Matthew Hiller <hiller@redhat.com>
5461 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5464 * MAINTAINERS: Added self.
5466 2001-03-28 Richard Henderson <rth@redhat.com>
5468 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5469 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5471 2001-03-28 Jim Wilson <wilson@redhat.com>
5473 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5476 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5478 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5480 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5483 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5485 2001-03-28 DJ Delorie <dj@redhat.com>
5487 * Makefile.in (stage1_build): Revert CFLAGS patch.
5489 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5491 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5492 when multiplier or multiplicand is zero.
5494 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5496 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5498 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5500 (set_src_needs_barrier): Likewise.
5501 (rtx_needs_barrier): For SET case, use these two functions. Rework
5502 PARALLEL case to handle all inputs before all outputs.
5503 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5504 saw a label and no stop bit since then.
5505 (maybe_rotate, process_epilogue): Add prototypes.
5507 2001-03-28 Richard Henderson <rth@redhat.com>
5509 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5510 not TARGET_TOC for special toc restore handling.
5511 * config/rs6000/rs6000.md (eh_return): Likewise.
5513 2001-03-28 Richard Henderson <rth@redhat.com>
5515 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5516 current_function_calls_eh_return.
5517 (output_function_epilogue): Handle eh_return.
5518 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5519 (EH_RETURN_DATA_REGNO): New.
5520 (EH_RETURN_STACKADJ_RTX): New.
5521 (EH_RETURN_HANDLER_RTX): New.
5522 * config/sparc/sparc.md (call/short branch peepholes): Check
5523 can_throw_internal instead of in_same_eh_region.
5525 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5526 for eh_return data registers.
5527 (rs6000_emit_prologue): Save eh_return data registers.
5528 (rs6000_emit_epilogue): Force inline restores if eh_return.
5529 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5530 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5531 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5532 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5533 the target uses one.
5534 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5535 (return_eh_si, return_eh_di): Remove.
5536 (eh_return): New, from corpse of eh_epilogue.
5537 (eh_set_lr_si, eh_set_lr_di): New.
5539 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5540 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5541 True for pic register if current_function_calls_eh_return.
5542 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5543 Handle eh_return requirements.
5544 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5545 (EH_RETURN_STACKADJ_RTX): New.
5546 * config/i386/i386.md (exception_receiver): Remove.
5547 (eh_return, eh_return_1): New.
5548 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5550 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5551 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5552 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5553 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5554 (EH_RETURN_DATA_REGNO): New.
5555 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5556 * config/alpha/alpha.md (eh_epilogue): Remove.
5557 (exception_receiver): Use $26 for ldgp input.
5558 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5560 2001-03-28 Richard Henderson <rth@redhat.com>
5562 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5563 * except.h: Likewise.
5565 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5566 (LIB2ADDEHDEP): New.
5567 (LIB2FUNCS_EH): Remove.
5568 (LIB2ADD): Remove LIB2ADDEH.
5569 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5570 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5571 (crt{begin,end}[S].o): Likewise.
5572 (except.o): Update includes.
5573 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5574 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5576 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5577 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5578 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5579 * builtins.c (expand_builtin): Implement it.
5580 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5581 * c-common.c (c_common_nodes_and_builtins): Declare it.
5582 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5583 * calls.c (libfunc_nothrow): Remove.
5584 (emit_library_call_value_1): Don't call it.
5585 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5586 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5587 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5588 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5589 (current_funcdef_number): Globalize.
5590 (output_call_frame_info): Emit frame data if an lsda is needed.
5591 Generate augmentation for personality routine. Don't play with
5593 (dwarf2out_begin_prologue): Record funcdef_number.
5594 * dwarf2out.h (current_funcdef_number): Declare.
5595 * expr.c (expand_expr): Update for except.h name changes.
5596 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5597 * expr.h (LTI_throw, LTI_rethrow): Remove.
5598 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5599 (LTI_eh_rtime_match): Remove.
5600 (LTI_unwind_resume, LTI_eh_personality): Add.
5601 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5602 * final.c (final): Don't call check_exception_handler_labels,
5603 init_insn_eh_region, or free_insn_eh_region.
5604 (final_scan_insn): Always emit debug labels for
5605 NOTE_INSN_EH_REGION notes.
5606 * flags.h (flag_new_exceptions): Remove.
5607 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5608 (record_active_eh_regions): Remove.
5609 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5610 Use can_throw_internal.
5611 (find_basic_blocks_1): Likewise.
5612 (move_stray_eh_region_notes): Remove.
5613 (find_label_refs): No eh_return_stub_label.
5614 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5615 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5617 (delete_unreachable_blocks): Don't track deleted handlers.
5618 (flow_delete_block): Use maybe_remove_eh_handler.
5619 (delete_eh_regions): Remove.
5620 (merge_blocks): Don't check for eh region match.
5621 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5622 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5623 (init_propagate_block_info): Disable dead frame store optimization
5624 when current_function_calls_eh_return.
5625 (dump_bb): Don't print eh_beg, eh_end.
5626 * function.c (fixup_var_refs): No catch_clauses.
5627 (expand_function_end): Likewise. Call expand_eh_return before
5628 the return register use. Call sjlj_emit_function_exit_after.
5629 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5630 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5631 * ifcvt.c (dead_or_predicable): Remove eh region check.
5632 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5633 Don't check for EH vs parameters.
5634 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5635 (expand_inline_function): Call duplicate_eh_regions.
5636 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5637 (copy_insn_notes): Remap REG_EH_REGION notes.
5638 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5639 * integrate.h (struct inline_remap): Add local_return_label.
5640 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5641 check_exception_handler_labels, nor exception_optimize.
5642 (find_cross_jump): No EH region check.
5643 * optabs.c (init_optabs): Update for changed eh libfuncs.
5644 * rtl.def (RESX): New.
5645 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5646 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5647 checks. Update for except.h name changes.
5648 (expand_cleanups): Likewise.
5649 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5650 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5651 (compile_file): Call init_eh before init_optabs. Don't
5652 output_exception_table here.
5653 (rest_of_compilation): Call convert_from_eh_region_ranges,
5654 convert_to_eh_region_ranges, output_function_exception_table.
5655 Don't emit_eh_context.
5656 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5657 (EXC_PTR_EXPR): New.
5659 * md.texi (eh_epilogue): Remove.
5660 (eh_return): Document.
5661 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5662 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5664 * eh-common.h: Remove file.
5665 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5666 * libgcc2.c (L_eh): Remove.
5668 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5669 * unwind-dw2-fde.h: New file.
5670 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5671 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5672 * libgcc-std.ver: Update for eh symbols.
5674 2001-03-27 Richard Henderson <rth@redhat.com>
5676 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5677 reduce false positives.
5678 (regmove_optimize): Disable if flag_non_call_exceptions.
5680 * stmt.c (expand_return): Remove always true predicate.
5681 (expand_decl_cleanup_no_eh): Remove dead code.
5683 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5684 barrier code. Add a scheduling barrier if a non-call insn
5685 can throw internally.
5687 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5688 Auto-inc addresses trap only if their base register does.
5690 * except.c (can_throw_internal): Rename from can_throw.
5691 * except.h, resource.c: Update references.
5693 * integrate.c (copy_insn_list): Use returnjump_p.
5694 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5696 * function.h (struct function): Move all boolean valued fields
5697 to single bit fields at the end of the struct.
5699 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5701 Rename asynchronous_exceptions to flag_non_call_exceptions.
5703 * gthr-single.h (UNUSED): New. Distinguish between how C
5704 and C++ mark unused function arguments. Use throughout.
5706 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5707 value to target configuration header.
5708 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5709 * config.in, configure: Rebuild.
5710 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5711 configuration and target defines.
5712 (exceptions_via_longjmp): Remove.
5713 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5714 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5716 * except.h (flag_non_call_exceptions): Move ...
5717 * flags.h: ... here.
5719 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5720 exceptions, put the note on the trapping instruction.
5722 * flags.h (flag_new_exceptions): Remove.
5723 * toplev.c: Don't set it.
5724 * final.c: Don't check it.
5725 * except.c: Provide stub definition.
5727 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5728 (calculate_global_regs_live): Kill call-clobbered registers
5729 across exception edges.
5730 * reg-stack.c (convert_regs_1): Kill the entire target stack
5731 across non-call exception edges.
5733 * flow.c (cleanup_cfg): Take no argument.
5734 * output.h, sibcall.c, toplev.c: Update all calls.
5736 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5738 * configure.in: Don't check for bcopy.
5739 * configure, config.in: Regenerate.
5741 * system.h: Don't define or prototype bcopy, instead poison it.
5743 2001-03-27 Richard Henderson <rth@redhat.com>
5745 * function.c (expand_function_start): Set DECL_REGISTER on
5746 a pseudo used for DECL_RESULT.
5748 * rtl.h (LCT_NORETURN): New.
5749 * calls.c (emit_library_call_value_1): Handle it.
5751 2001-03-27 Stan Shebs <shebs@apple.com>
5753 * objc/objc-act.c (objc_init): Use dump_base_name.
5754 (gen_declaration): Clear the buffer arg.
5755 (gen_declaration_1): New function, body of gen_declaration.
5756 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5757 (gen_method_decl): Ditto, plus always clear buffer arg.
5758 (error_with_ivar): Simplify.
5759 (warn_with_method): Ditto.
5760 (build_message_expr): Don't clear buffers.
5761 (dump_interface): Ditto.
5762 (objc_debug): Ditto.
5763 (build_keyword_selector): Clear the buffer by only zeroing
5765 (objc_implementation_context): Declare.
5766 (start_class): Warn about missing @end.
5767 (finish_objc): Ditto.
5769 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5771 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5773 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5775 * Makefile.in (SYSTEM_H): Define.
5776 Depend on $(SYSTEM_H), not system.h.
5778 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5780 2001-03-27 Jim Wilson <wilson@redhat.com>
5782 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5784 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5785 (process_epilogue): New static function.
5786 (process_set): Call process_epilogue instead of emitting .restore
5788 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5790 * flow.c (struct reg_cond_life_info): New fields orig_condition
5792 (init_propagate_block_info): Set new fields.
5793 (mark_regno_cond_dead): Set and use new fields.
5794 (flush_reg_cond_reg_1): Likewise.
5795 (and_reg_cond, case AND): Check for redundant AND conditions.
5796 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5799 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5801 * cppmacro.c (stringify_arg): Null terminate strings.
5803 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5805 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5806 inclusion style. xm-m68hc11.h no longer exists.
5807 * config/m68hc11/xm-m68hc11.h: Delete file.
5808 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5810 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5811 Don't define GCC_VERSION, N_, or PARAMS; don't include
5812 gansidecl.h or stdio.h. Define inhibit_libc here.
5813 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5814 Delete code conditioned on #if GCC_VERSION == 2095.
5816 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5817 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5818 Delete code conditioned on #if GCC_VERSION == 2095.
5820 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5822 * system.h: Include symcat.h.
5823 (STRINGIFY): Don't define.
5825 * configure.in: Adjust comment.
5827 * builtins.c: Use STRINGX, not STRINGIFY.
5828 * gencheck.c: Likewise.
5829 * gengenrtl.c: Likewise.
5830 * protoize.c: Likewise.
5832 * cpplex.c: Don't include symcat.h.
5833 * cpplib.c: Likewise.
5835 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5837 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5839 * c-typeck.c (digest_init): Fold init expression.
5841 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5843 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5845 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5847 * except.c (eh_regs): Save results of build_pointer_type to a temp
5848 as FUNCTION_VALUE macro may evaluate its args multiple times.
5850 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5852 * c-common.h (DECL_NUM_STMTS): New macro.
5853 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5855 (pushdecl): Likewise.
5856 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5857 * integrate.c (expand_inline_function): Don't check
5859 * print-tree.c (print_node): Don't print it.
5860 * toplev.c (rest_of_compilation): Don't try to inline when
5861 flag_no_inline is on.
5862 * tree.h (DECL_FRAME_SIZE): Remove.
5863 (tree_decl): Adjust accordingly.
5865 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * combine.c (try_combine): Use memcpy, not bcopy.
5869 * genattrtab.c (expand_units): Likewise.
5871 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5873 * i386.md (push mem DI peep2): New.
5874 (mov 0, mov -1 peep2): Handle 64bit.
5875 (lea to arithmetics peep2): Handle 64bit leas.
5876 (rsp arithmetics to push/pop peep2s): New.
5878 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5880 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5882 * i386.c (struct machine_function): Add save_varrargs_registers.
5883 (ix86_save_varrargs_registers): New macro.
5884 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5885 (ix86_expand_prologue): Likewise.
5886 (ix86_emit_epilogue_esp_adjustement): Likewise.
5887 (ix86_expand_epilogue): Likewise.
5888 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5889 (pro_epilogue_adjust_stack_1): New insn.
5890 (pro_epilogue_adjust_stack_rex64): Likewise.
5891 * i386.h (MASK_NO_RED_ZONE): New constant.
5892 (TARGET_RED_ZONE): New macro.
5893 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5894 (RED_ZONE_SIZE): New constant.
5895 (RED_ZONE_RESERVE): New constant.
5897 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5899 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5901 2001-03-25 Kazu Hirata <kazu@hxi.com>
5903 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5906 (umodhi3): Likewise.
5909 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5911 * mkconfig.sh (DEFINES): Handle entries with '='.
5913 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5914 Set xm_defines to MACRO=value instead.
5916 * i370/xm-mvs.h: Delete.
5918 * ns32k/xm-pc532-min.h: Likewise.
5920 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5922 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5924 use ix86_expand_binary_operator
5925 (?sh??i_?): Disable for 64bit.
5926 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5927 * i386.c (shiftdi_operand): New predicate.
5929 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5930 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5931 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5932 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5933 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5934 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5935 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5936 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5937 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5938 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5939 (rotldi3, rotrdi3): New expanders.
5941 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5943 * i386.md (movstrsi): Move offline.
5945 (strmovdi_rex64): New.
5946 (strmov?i): Accept 64bit.
5947 (strmov?i_rex64): New.
5948 (strmov?i_rex_1): New.
5949 (strmov?i_1): Disable for 64bit.
5950 (rep_mov?i_rex64): New.
5951 (rep_mov?i): Disable for 64bit.
5952 (clrstrsi): Move offline.
5953 (strset?i_rex64): New.
5954 (strset?i: Accept 64bit.
5955 (rep_stos?i): Disable for 64bit.
5956 (rep_stos?i_rex64): New.
5957 (strset?i_rex_1): New.
5958 (strset?i_1): Disable for 64bit.
5959 (cmpstrsi): Accept 64bit.
5960 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5961 (cmpstrqi_nz_rex_1): New.
5962 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5963 (strlensi): Move offline.
5965 (strlenqi_1): Disable for 64bit; fix constraints.
5966 (strlenqi_rex_1): New.
5967 * i386.c (ix86_adjust_counter): New static function.
5968 (ix86_zero_extend_to_Pmode): Likewise.
5969 (ix86_expand_aligntest): Likweise.
5970 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5971 (ix86_expand_movstr): New global function.
5972 (ix86_expand_clrstr): New global function.
5973 (ix86_expand_strlen): New global function.
5974 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5975 ix86_expand_strlen): Declare.
5976 (ix86_expand_strlensi_unroll_1): Delete.
5978 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5980 * i386.md (cmpdi): Fix operand predicates.
5981 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5982 cmpdi_1_insn_rex64): New patterns.
5983 (adddi3): Turn to expander.
5984 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5985 (addsi3_carry_zext): New pattern.
5986 (adddi_?_rex64): New patterns and splitters.
5987 (addsi_?_zext): New patterns.
5988 (subsi3_carry_zext): New pattern.
5989 (subdi_?_rex64): New patterns and splitters.
5990 (iorsi_?_zext): New patterns.
5991 (iordi_?_rex64): New patterns and splitters.
5992 (iorsi_?_zext): New patterns.
5993 (iorsi_?_zext_imm): New patterns.
5994 (xorsi_?_zext): New patterns.
5995 (xordi_?_rex64): New patterns and splitters.
5996 (xorsi_?_zext): New patterns.
5997 (negdi*): New patterns.
5998 (one_cmpldi*): Likewise.
5999 (one_cmplsi*_zext, negsi*_zext): Likewise.
6000 (testqi_ext_3_rex64): New pattern.
6002 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6004 * i386-protos.h (ix86_split_long_move): Return void.
6005 * i386.c (ix86_split_to_parts): Handle 64bit target.
6006 (ix86_split_long_move): Likewise.
6007 * i386.md (all calls to ix86_split_long_move): Update.
6009 2001-03-23 Richard Henderson <rth@redhat.com>
6011 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6012 to avoid shadowing arguments.
6014 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6016 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6017 to variable names where DECL_NAME is different from
6018 DECL_ASSEMBLER_NAME.
6020 2001-03-23 Jim Wilson <wilson@redhat.com>
6022 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6023 (assemble_alias): Call make_decl_rtl.
6025 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6027 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6029 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6031 * extend.texi: Document the "java_interface" attribute.
6033 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6035 * mkconfig.sh: Use a subshell with redirected stdout,
6036 instead of closing stdout and confusing commands that run
6037 afterward. Throw away output of cmp.
6039 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6041 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6043 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6045 * i386.md (zero_extendsidi2_32): Break out from ...
6046 (zero_extendsidi2): ... here ; turn to expander.
6047 (zero_extendsidi2_rex64): New.
6048 (extendsidi2_32): Break out from ...
6049 (extendsidi2): ... here ; turn to expander.
6050 (extendsidi2_rex64): New.
6051 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6052 (trunc?f?f splitters): Add 64bit versions.
6054 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6056 * i386.md (pushsi, pushsi2_prologue): Disable.
6057 (pushsi2_rex64): New.
6058 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6059 (movqi_ext_1): Disable for 64bit.
6060 (movqi_ext_1_rex64): New.
6061 (pushdi2_rex64): New pattern, peep2s and splitter.
6062 (pushdi2_prologue_rex64): New pattern.
6063 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6065 (movdi splitters): Disable for 64bit.
6066 (movdi_1_rex64): New pattern, peep2s and splitters.
6067 (swapdi): New pattern.
6068 (pushsf): Disable for 64bit.
6069 (pushsf_rex64): New pattern and splitter.
6070 (pushdf_nointeger): Disable for 64bit.
6071 (pushdf_integer): Handle the 64bit case.
6072 (pushtf): Likewise; update splitters.
6074 2001-03-22 Richard Henderson <rth@redhat.com>
6076 * mkconfig.sh: Include insn-flags.h.
6077 * Makefile.in (CONFIG_H): Include insn-flags.h.
6078 (lots of objects): Remove insn-codes.h and insn-flags.h.
6080 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6081 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6082 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6083 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6084 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6085 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6086 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6087 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6088 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6089 v850/v850.c, vax/vax.c:
6090 Don't include insn-flags.h.
6092 * diagnostic.c, expr.h, reload.c, toplev.c:
6093 Don't include insn-codes.h.
6095 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6096 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6097 c4x/c4x.c, i960/i960.c, mips/mips.c:
6098 Don't include insn-codes.h or insn-flags.h.
6100 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6101 or insn-flags.h in the generated code.
6102 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6103 (main): Forward declare struct rtx_def.
6105 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6107 * invoke.texi (-ffast-math): Remove duplicate line about
6110 * gcc.texi: Remove more obsolete documentation of bugs and
6111 installation problems.
6113 2001-03-21 Kazu Hirata <kazu@hxi.com>
6115 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6118 2001-03-20 Jason Merrill <jason@redhat.com>
6120 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6122 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6123 * varasm.c (CHKR_PREFIX): Likewise.
6125 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6127 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6128 is part of a multi-SET insn.
6130 * cse.c (find_comparison_args): Remove previous change.
6131 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6134 * config/i386/i386.md (conditional_trap): Remove warning.
6136 * recog.c (push_operand): Fix error in last change that caused
6137 undefined symbol on many targets.
6139 * sdbout.c: #include ggc.h.
6140 (sdbout_init): Move to end of file.
6141 Call ggc_add_tree_root for anonymous_types.
6142 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6143 (sdbout_one_type): Use DECL_NAME for field name.
6144 * Makefile.in (sdbout.o): Show includes ggc.h.
6146 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6148 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6149 (override_options): Use properlimits for preferred_stack_boundary.
6150 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6152 (ext_register_operand): Accept DImode.
6153 (load_pic_register): Abort on 64bit.
6154 (gen_push): Use Pmode instead of SImode.
6155 (ix86_save_reg): Pic reg is never used on 64bit.
6156 (ix86_expand_prologue): Likewise.
6157 (ix86_emit_save_regs): Use Pmode instead of SImode.
6158 (legitimate_address_p): Check displacement for 64bit.
6159 (print_operand): Avoid outputting of (%rip) on 64bit.
6160 (print_operand_address): Output (%rip) where possible.
6161 (split_di): Abort on 64bit registers.
6162 (ix86_expand_branch): DImode comparison is simple for x86_64.
6163 (memory_address_length): Recognize memory addresses formed using
6165 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6167 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6169 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6171 * recog.c (push_operand): Recognize new format of push instructions.
6173 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6175 * i386.md (pushqi1): New.
6176 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6177 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6178 x86_64_immediate_operand, x86_64_immediate_operand,
6179 x86_64_zext_immediate_operand): Declare.
6180 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6181 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6182 x86_64_immediate_operand, x86_64_immediate_operand,
6183 x86_64_zext_immediate_operand): define.
6184 * i386.h (PREDICATE_CODES): Add new predicates.
6186 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6188 * i386.md (pophi1, popqi1, pushqi1): Remove.
6190 * expr.c (emit_single_push_insn): New function.
6191 (move_by_pieces): Accept NULL as destination for push instructions.
6192 (gen_push_operand): Kill.
6193 (emit_push_insn): Pass NULL when pushing; avoid updating of
6194 stack_pointer_delta.
6195 * expr.h (gen_push_operand): Kill.
6197 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6199 * rtl.texi (COMPARE): Clarify documentation and reference section
6202 2001-03-20 Stan Shebs <shebs@apple.com>
6204 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6205 (get_object_reference): Ditto.
6206 (error_with_ivar): Use error_with_file_and_line.
6207 (warn_with_method): Use warning_with_file_and_line.
6209 2001-03-20 Tom Tromey <tromey@redhat.com>
6211 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6213 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6215 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6216 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6218 2001-03-20 DJ Delorie <dj@redhat.com>
6220 * Makefile.in (install-libgcc): Pass complete list of variables.
6221 (install-multilib): Ditto.
6223 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6225 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6226 drectve_section, switch_to_section.
6228 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6229 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6230 i386_pe_mark_dllimport.
6232 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6234 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6235 functions i386_pe_*.
6237 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6238 i386_pe_* functions with char * arguments.
6240 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6242 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6244 (movsi_ie): Introduce fpul store.
6246 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6248 * Makefile.in (OBJS): Remove hashtab.o.
6250 2001-03-19 Stan Shebs <shebs@apple.com>
6252 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6253 * c-lang.c (maybe_objc_method_name): Ditto.
6254 * c-tree.h (maybe_objc_method_name): Remove decl.
6256 2001-03-19 Tom Tromey <tromey@redhat.com>
6258 * gcc.c (init_gcc_specs): Fix comment.
6260 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6262 Compute DECL_ASSEMBLER_NAME lazily.
6263 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6264 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6265 (SET_DECL_ASSEMBLER_NAME): Likewise.
6266 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6267 (set_decl_assembler_name): Declare.
6268 (lang_set_decl_assembler_name): Likewise.
6269 * tree.c (lang_set_decl_assembler_name): New variab.e
6270 (set_decl_assembler_name): New function.
6271 (init_obstacks): Set lang_set_decl_assembler_name.
6272 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6273 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6274 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6275 where it's not necessary.
6276 (builtin_function): Likewise.
6277 (finish_decl): Likewise.
6278 * dbxout.c (dbxout_type_methods): Likewise.
6279 * ggc-common.c (ggc_mark_trees): Likewise.
6280 * profile.c (output_func_start_profiler): Likewise.
6281 * varasm.c (make_decl_rtl): Likewise.
6283 * cse.c (find_comparison_args): Update documentation. Fix
6284 mishandling of COMPARE operations.
6286 * tree.def (ABS_EXPR): Add documentation.
6287 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6289 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6291 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6293 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6295 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6296 Remove ia32 linux PIC kludge and move it...
6297 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6299 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6301 * i386.md (absdf2 expander): Fix 64bit case.
6303 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6305 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6307 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6309 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6311 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6313 * README.X11: Remove obsolete file.
6315 2001-03-18 Anthony Green <green@redhat.com>
6317 * config/pj/pj.h: Remove some trailing commas.
6318 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6320 2001-03-18 Richard Henderson <rth@redhat.com>
6322 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6323 * calls.c: ... here.
6324 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6325 defaults for them here.
6327 2001-03-17 Anthony Green <green@redhat.com>
6329 * config/pj/lib1funcs.S: Fix broken comment.
6330 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6333 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6335 * gcc.texi: Remove obsolete information relating to build and
6336 installation problems with enquire or the Pyramid C compiler.
6338 2001-03-17 Richard Henderson <rth@redhat.com>
6340 * dwarf2out.c (queue_reg_save): New.
6341 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6342 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6344 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6345 (cfa, cfa_store, cfa_temp): Make static.
6346 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6348 2001-03-17 Richard Henderson <rth@redhat.com>
6350 * integrate.h (struct inline_remap): Add local_return_label.
6351 * integrate.c (expand_inline_function): Initialize it and emit
6352 it after copy_insn_notes.
6353 (copy_insn_list): Don't store local_return_label here.
6354 (copy_insn_notes): New function split out from copy_insn_list.
6356 2001-03-17 Richard Henderson <rth@redhat.com>
6358 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6359 is generating .debug_line.
6360 (dwarf2out_init): Add main_input_filename to the file table first.
6361 * configure.in (as_dwarf2_debug_line): Test with file number 1
6362 instead of file number 0.
6364 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6366 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6367 (gen_rtx_combine): Deleted; all references changed as appropriate.
6368 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6370 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6372 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6374 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6377 2001-03-16 Jim Wilson <wilson@redhat.com>
6379 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6380 then set it to LOC_REG (79) instead of aborting.
6382 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6384 * gccbug.in: Remove high priority.
6386 2001-03-16 Richard Henerson <rth@redhat.com>
6388 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6389 output with a space instead of deleting it.
6390 * configure: Regenerate.
6392 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6394 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6395 handles the gory details of converting an object file into
6396 something that's safe to grep.
6397 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6398 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6399 newlines at either end of the string we're looking for.
6400 Make 'checking ...' message less stilted.
6401 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6402 ARM in-memory layout and its hypothetical converse. Don't
6403 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6404 HOST_WORDS_BIG_ENDIAN.
6406 * configure.in: Adjust for renamed macro. Move
6407 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6408 * configure, config.in: Regenerate.
6410 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6412 * fixinc/Makefile.in: Set SHELL.
6414 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6416 * fixinc/fixincl.c (fix_with_system): Quote file names before
6417 passing them to shell.
6419 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6421 * Makefile.in: Use fix-header$(build_exeext) instead
6424 2001-03-16 Richard Henderson <rth@redhat.com>
6426 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6427 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6428 (size_of_line_prolog): Remove.
6429 (output_line_info): Compute prologue size via label difference.
6430 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6432 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6433 assembler error when redefining file numbers.
6434 * config.in, configure: Rebuild.
6436 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6437 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6438 (dw2_asm_output_delta_uleb128): Likewise.
6439 (dw2_asm_output_delta_sleb128): Similarly.
6440 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6442 2001-03-16 Michael Meissner <meissner@redhat.com>
6444 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6446 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6448 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6450 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6451 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6452 being unsigned in ISO C and signed in traditional.
6453 (expand_prologue): Ditto.
6454 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6456 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6458 (divsi3,divdi3): Ditto.
6459 (modsi3,moddi3): Ditto.
6460 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6461 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6462 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6465 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6467 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6468 SSE based conditional moves on LTGT/UNEQ conditions;
6469 Canonicalize EQ to NE.
6470 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6471 (sse_mov?fcc_ne): New.
6473 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6475 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6477 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6478 register may be dead.
6480 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6482 * Makefile.in (hash.o): Depend on CONFIG_H.
6484 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6486 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6488 2001-03-15 Richard Henderson <rth@redhat.com>
6490 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6491 (ASM_OUTPUT_DWARF_PCREL): New.
6492 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6494 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6496 * cppfiles.c (stack_include_file): Use MAX of sysp.
6498 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6500 * config.gcc (ia64*-*-hpux*): New case.
6501 * config/ia64/hpux.h: New file for HP-UX support.
6502 * config/ia64/t-hpux: New file for HP-UX support.
6504 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6506 * fixinc/inclhack.def (irix_stdio_va_list): New.
6507 * fixinc/fixincl.x: Rebuilt.
6509 2001-03-15 Richard Henderson <rth@redhat.com>
6511 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6512 if provided by the target.
6513 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6514 (dw2_asm_output_addr): New.
6515 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6516 * dwarf2out.c (output_cfi): Use it for program addresses.
6517 (output_call_frame_info, output_die): Likewise.
6518 (output_aranges, output_line_info): Likewise.
6520 2001-03-15 Bruce Korb <bkorb@gnu.org>
6522 * gcc.c(main): make more rigorous
6523 * collect2.c(main): guard against ignoring SIGCHLD
6524 * protoize.c(main): ditto
6525 * gcc/fixinc/fixincl.c(initialize): ditto
6527 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6529 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6530 (sdbout_parms): Likewise.
6532 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6534 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6535 "widen" a destination that is already wider than a word. Also do
6536 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6538 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6540 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6542 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6544 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6546 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6548 * i960.h (i960_maxbitalignment,
6549 i960_last_maxbitalignment): Declare.
6550 * i960.c (i960_maxbitalignment,
6551 i960_last_maxbitalignment): Make global.
6552 (process_pragma): Delete.
6553 (i960_pr_align, i960_pr_noalign): Move from here ...
6554 * i960-c.c: ... to this new file.
6555 * t-960bare (i960-c.o): New rule.
6556 * t-vxworks960 (i960-c.o): Likewise.
6557 * config.gcc (i960-*-*): Define c_target_objs and
6560 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6562 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6563 without adding in rtx code and mode.
6565 * alias.c (init_alias_analysis): Don't use any rtx whose value
6566 varies as a known value.
6567 Delete a superfluous test.
6569 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6571 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6572 scheduling a stop bit.
6573 (ia64_emit_nops): Correctly handle ASMs.
6575 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6577 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6579 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6581 * cpp.texi: Update documentation for -include and -imacros.
6582 * cppfiles.c (struct include_file): Remove "defined" memeber.
6583 (find_or_create_entry): Make a copy of the file name, and
6585 (open_file): Update to ensure we use the simplified filename.
6586 (stack_include_file): Don't set search_from.
6587 (cpp_included): Don't simplify the path name here.
6588 (find_include_file): New prototype. Call search_from to
6589 get the start of the "" include chain. Don't simplify the
6591 (_cpp_execute_include): New prototype. Move diagnostics to
6592 do_include_common. Update.
6593 (_cpp_pop_file_buffer): Don't set defined.
6594 (search_from): New prototype. Use the preprocessor's cwd
6595 for files included from the command line.
6596 (read_name_map): Don't simplify the pathname here.
6597 * cpphash.h (enum include_type): New.
6598 (struct buffer): Delete search from. New search_cached.
6599 (_cpp_execute_include): Update prototype.
6600 * cppinit.c (do_includes): Use _cpp_execute_include.
6601 * cpplib.c (do_include_common): New function.
6602 (do_include, do_include_next, do_import): Use it.
6604 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6606 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6607 contents of the RTL, to determine the name of the object.
6609 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6611 * tree.h (DECL_RTL): Allocate RTL lazily.
6612 (SET_DECL_RTL): New macro.
6613 (DECL_RTL_SET_P): Likewise.
6614 (COPY_DECL_RTL): Likewise.
6615 (DECL_RTL_IF_SET): Likewise.
6616 * varasm.c (make_decl_rtl): Add assertions about the kind of
6617 declaration we are processing.
6618 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6619 (start_decl): Likewise.
6620 (finish_decl): Likewise.
6621 * c-semantics.c (emit_local_var): Likewise.
6622 * calls.c (expand_call): Likewise.
6623 * dbxout.c (dbxout_symbol): Likewise.
6624 * emit-rtl.c (unshare_all_rtl): Likewise.
6625 (unshare_all_decls): Likewise.
6626 (reset_used_decls): Likewise.
6627 * expr.c (store_constructor): Likewise.
6628 (safe_from_p): Likewise.
6629 (expand_expr): Likewise.
6630 * function.c (put_var_into_stack): Likewise.
6631 (instantiate_decls_1): Likewise.
6632 (assign_parms): Likewise.
6633 (expand_function_start): Likewise.
6634 (expand_function_end): Likewise.
6635 * ggc-common.c (gcc_mark_trees): Likewise.
6636 * integrate.c (function_cannot_inline_p): Likewise.
6637 (copy_decl_for_inlining): Likewise.
6638 (expand_inline_function): Likewise.
6639 (integrate_parm_decls): Likewise.
6640 (integrate_decl_tree): Likewise.
6641 * print-tree.c (print_node): Likewise.
6642 * reg-stack.c (stack_result): Likewise.
6643 * stmt.c (label_rtx): Likewise.
6644 (expand_return): Likewise.
6645 (expand_decl): Likewise.
6646 (expand_decl_cleanup): Likewise.
6647 (expand_anon_union_decl): Likewise.
6648 * toplev.c (check_global_declarations): Likewise.
6649 (rest_of_decl_compilation): Likewise.
6650 * tree.c (simple_cst_equal): Likewise.
6651 * objc/objc-act.c (generate_static_references): Likewise.
6653 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6655 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6656 gcc_AC_C_FLOAT_FORMAT): New macros.
6657 * configure.in: Add AC_PROG_CPP after CC tests;
6658 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6659 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6660 * configure, config.in: Regenerate.
6662 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6663 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6664 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6665 config/i370/xm-linux.h, config/i370/xm-oe.h,
6666 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6667 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6668 config/pa/xm-linux.h, config/pa/xm-pa.h,
6669 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6670 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6671 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6672 config/we32k/xm-we32k.h: Delete.
6674 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6675 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6676 config/vax/xm-vms.h: Don't define any of:
6677 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6679 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6681 * config.gcc: Remove references to deleted files.
6682 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6683 FATAL_EXIT_CODE, which is the same between oe and mvs).
6685 2001-03-14 DJ Delorie <dj@redhat.com>
6686 Vladimir Makarov <vmakarov@redhat.com>
6688 * config/i960/i960.c (i960_function_prologue): Compute size of
6689 frame according to number of registers actually saved there.
6691 2001-03-14 Richard Henderson <rth@redhat.com>
6693 * expr.c (emit_move_insn_1): Fix else if around #endif.
6695 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6698 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6701 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6703 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6704 (override_options): Parse cmodel string.
6705 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6706 * i386.h (TARGET_OPTIONS): Add "cmodel".
6707 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6709 (ix86_cmodel_string, ix86_cmodel): Declare.
6711 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6714 * i386.h (GENERAL_REG_P): Add missing REG_P.
6716 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6718 * configure.in: Use $gcc_cv_as instead of $as.
6719 * configure: Regenerated.
6721 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6723 * cppfiles.c (stack_include_file): Only increase the include
6724 count if we actually process the file properly, as opposed
6725 to treating it as length zero. Only call read_include_file
6726 if not DO_NOT_REREAD. Handle the -H include file output
6728 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6729 (cpp_included, find_include_file): Simplify pathnames after
6730 remapping them. If remapping, don't use the remapped file
6731 name's buffer as our scratch buffer.
6732 (cpp_pop_file_buffer): Replace the multiple include macro
6733 only if it isn't yet set.
6734 (read_name_map): Simplify remapped names when reading in.
6735 (remap_filename): Move code to code path that uses it.
6736 (_cpp_simplify_pathname): Return the input pointer.
6737 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6739 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6741 * expr.c (expand_expr): Revove bogus conditional.
6743 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6745 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6747 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6749 * reg-stack.c (stack_result): Unconditionally use
6750 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6752 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6754 * expr.c (emit_move_insn_1): Split push of complex value when
6755 no suitable push instruction exist.
6757 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6758 instead of QI_REG_P.
6760 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6762 * alias.c (handled_component_p, can_address_p): New functions.
6763 (get_alias_set): Use them.
6765 2001-03-13 Jim Wilson <wilson@redhat.com>
6767 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6768 from 80 in try_locals code.
6769 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6771 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6773 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6774 gcc_AC_C_LONG_LONG): New.
6775 * configure.in: Use them. Probe the size of short, int, long,
6776 and long long/__int64 if we have them. Move all the AC_C_*
6777 checks together, except gcc_AC_C_CHAR_BIT which has to go
6778 after AC_CHECK_HEADERS(limits.h).
6779 Take hwint.h out of host_xm_file and build_xm_file.
6781 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6782 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6783 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6784 Move the HOST_WIDEST_INT setup logic here from system.h.
6785 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6787 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6788 is now handled by hwint.h.
6790 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6791 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6792 config/ia64/xm-ia64.h: Don't define any of:
6793 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6794 HOST_BITS_PER_LONGLONG.
6796 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6797 config/h8300/xm-h8300.h, config/mips/iris6.h,
6798 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6799 config/sparc/xm-sp64.h: Delete.
6800 * config.gcc: Remove references to deleted files.
6802 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6803 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6804 * config/i370/xm-linux.h: Clarify floating-point situation in
6807 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6809 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6810 (find_include_file): Decide here which part of the include
6811 chain to start the search. Complain about an empty include
6812 chain in all cases apart from an abolsute file name.
6813 (_cpp_execute_include): Don't choose the search chain here.
6814 Don't call handle_missing_include in the case of an empty
6816 (_cpp_compare_file_date): Don't choose the search chain here.
6817 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6818 here from _cpp_execute_include. Behave like #include if
6819 we're in the main file.
6821 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6823 * system.h (malloc, realloc, calloc, strdup): Only poison these
6824 tokens when IN_GCC is defined.
6826 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6828 * i386.md (abs?f expander): Support SSE case.
6829 (abd?f_if): Add new "USE"; add splitters.
6831 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6833 * cpp.texi (poison): Explain the macro expansion exception.
6835 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6837 * expr.c (store_expr): Add dont_store_target. If temp is already in
6838 target before copying to reg, don't store it into target again.
6840 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6842 * cppinternals.texi: Update for file handling.
6844 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6846 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6847 2001-02-24 which broke building the Java library.
6848 * function.c (identify_blocks): Likewise.
6849 (all_blocks): Likewise.
6850 * integrate.c (integrate_decl_tree): Likewise.
6851 * print-tree.c (print_node): Likewise.
6852 * tree.h (BLOCK_NUMBER): Likewise.
6853 (struct tree_block): Likewise.
6855 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6857 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6858 __WCHAR_TYPE__ definition.
6859 (WCHAR_TYPE_SIZE): #undef before #define.
6861 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6863 * cppfiles.c: Update comments.
6864 (destroy_include_file_node): Rename destroy_node.
6865 (find_or_create_entry): New function.
6866 (open_file, _cpp_fake_include): Use it.
6867 (handle_missing_header): New function, broken out of
6868 _cpp_execute include. Don't segfault if there is no
6869 system or quoted path.
6870 (_cpp_execute_include): Use handle_missing_header.
6872 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6874 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6875 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6877 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6879 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6880 unless anti_dependence says they are.
6881 * alias.c (objects_must_conflict): If neither has a type specified,
6884 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6885 David Billinghurst <David.Billinghurst@riotinto.com>
6887 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6889 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6891 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6892 (*_one_bit): Remove type on the match_operand in attributes.
6894 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6896 * i386.c: Commit forgotten hunk in previous patch.
6897 (regclass_map): Add extended registers.
6898 (dbx_register_map): Add missing frame register.
6900 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6902 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6904 * i386.md (x86_sahf_1): Disable for 64bit.
6905 (popsi*, pophi*): Likewise.
6906 (pushqi, pushhi): Likewise.
6907 (movdi, pushdi): Likewise.
6908 (zero extend DImode splitter): Likewise.
6909 (adddi, minusdi splitter): Likewise.
6910 (umulsidi): Likewise.
6912 (mulsidi): Disable for 64bit
6913 (lshift:DI/ashift:DI): Disable for 64bit.
6914 (loop patterns): Likewise.
6915 (call_pop, call_value_pop expanders and patterns): Likewise.
6916 (prologue_get_pc): Likewise.
6918 (fcmovDI pattern and splitter): Likewise.
6919 (movdfcc_1_rex64): New.
6921 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6923 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6924 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6925 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6926 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6927 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6928 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6929 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6930 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6931 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6932 (REGPARM_MAX): Set to 6 for x86_64.
6933 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6934 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6937 * (patterns that does use upper halves): Update constraints
6938 'q' to 'Q' and 'r' to 'R'.
6939 (cmpqi_ext_1): Disable for 64bit.
6940 (cmpqi_ext_3_insn): Likewise.
6941 (movqi_extzv_1): Likewsie.
6942 (addqi_ext_1): Liekwsie
6943 (testqi_ext_1): Liekwsie
6944 (andqi_ext_1): Liekwsie
6945 (xorqi_ext_1): Liekwsie
6946 (cmpqi_ext_1_rex64): New.
6947 (cmpqi_ext_3_insn_rex64): Likewise.
6948 (movqi_extzv_1_rex64): Likewsie.
6949 (addqi_ext_1_rex64): Liekwsie
6950 (testqi_ext_1_rex64): Liekwsie
6951 (andqi_ext_1_rex64): Liekwsie
6952 (xorqi_ext_1_rex64): Liekwsie
6954 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6956 * configure.in: Move check for unsigned enumerated bitfields
6957 to macro in aclocal.m4. Disable it for now.
6958 * configure, config.in: Regenerate.
6959 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6960 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6961 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6962 kind above its first use.
6964 * config/xm-interix.h, config/alpha/xm-alpha.h,
6965 config/i370/xm-linux.h, config/i386/xm-beos.h,
6966 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6967 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6968 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6969 Don't define ONLY_INT_FIELDS under any circumstances.
6971 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6973 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6974 config/sparc/xm-sysv4.h: Delete - now identical with some
6976 * config.gcc (hppa targets): Replace xm-pahpux.h and
6977 xm-papro.h with implicit xm-pa.h.
6978 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6981 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6983 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6984 before reload_cse_noop_set_p.
6986 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6988 * config.gcc: Where xm-host.h used to include another
6989 xm-host.h, list the nested header directly in xm_file. Remove
6990 references to deleted files. Can now use sparc/xm-sp64.h for
6993 * config/xm-linux.h, config/arm/xm-linux.h,
6994 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6995 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6996 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6997 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6998 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7001 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7002 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7003 bother to wrap #undef in #ifdef.
7004 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7005 Don't include xm-linux.h.
7006 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7008 * configure.in: Wrap regexps using [] in changequote block.
7009 Use expr : not echo | grep. Simplify regexps.
7010 * configure: Regenerate.
7012 56 xm-files remain, 22 xm-arch.
7014 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7016 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7017 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7018 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7019 (copy_object): Fix format specifier vs argument mismatch.
7021 * mips-tdump.c: Make local functions static.
7022 (rindex): Don't #undef.
7023 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7024 (fatal, fancy_abort): Delete.
7025 (read_seek): Avoid signed/unsigned compare.
7027 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7029 * combine.c (try_combine): Fix error in change to try original
7031 (gen_rtx_combine): Do same as gen_rtx for now.
7033 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7035 * configure.in: AC_SUBST xm_defines.
7036 * configure: Regenerate.
7037 * Makefile.in: Set DEFINES=$(xm_defines) when building
7040 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7042 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7043 (cpp_included, find_include_file): Update.
7044 (_cpp_compare_file_date): Make else unconditional.
7046 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7048 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7050 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7052 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7053 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7055 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7057 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7058 if it's a record type.
7060 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7062 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7063 mingw includes slightly.
7065 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7067 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7068 #undef token before poisoning it.
7070 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7072 * alpha.c (check_float_value): Use memcpy, not bcopy.
7074 * m32r.c (m32r_sched_reorder): Likewise.
7076 * vax.c (check_float_value): Likewise.
7078 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7080 * toplev.c (file_name_nondirectory): Remove.
7081 * toplev.h: Similarly.
7082 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7083 of file_name_nondirectory.
7085 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7087 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7088 * mips-tfile.c: Don't #undef rindex; not used.
7090 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7092 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7093 (dbx64_register_map): Declare.
7094 (RETURN_ADDR_RTX): Fix for 64bit.
7095 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7096 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7097 * i386.c (dbx64_register_map): New global array.
7098 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7099 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7102 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7104 * cppfiles.c (search_from): Use lbasename.
7105 * mkdeps.c (deps_add_default_target): Use lbasename.
7107 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7109 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7110 xcalloc in lieu of malloc, realloc & calloc.
7112 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7114 * gengenrtl.c (xmalloc): Likewise.
7116 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7117 really_call_* memory allocation routines.
7119 * stmt.c (check_for_full_enumeration_handling): Use
7120 really_call_calloc, not calloc.
7122 * system.h (really_call_malloc, really_call_calloc,
7123 really_call_realloc): Define.
7124 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7126 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7128 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7130 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7132 * configure: Rebuilt.
7133 * configure.in: Only use `lang_requires' for languages athat are
7136 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7138 * invoke.texi: Fix typo.
7139 * gcc.1: Regenerate.
7141 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7143 * configure.in: Prune nonexistent files from build_xm_file,
7144 xm_file, and host_xm_file lists. Warn unless they're
7146 Don't generate *config.h here.
7147 AC_SUBST all variables needed to generate *config.h.
7148 * configure: Regenerate.
7149 * mkconfig.sh: New helper script, from code removed from
7151 * Makefile.in: Zap all MALLOC variables - no longer used
7152 anywhere, and malloc.c doesn't exist.
7153 Substitute in variables needed to generate *config.h.
7154 Stop lying about the dependencies contained in CONFIG_H and
7156 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7157 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7158 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7159 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7160 $(TM_P_H), etc. as appropriate.
7162 * config.gcc: Zap references to deleted files.
7163 * ggc-none.c: Don't include rtl.h or tm_p.h.
7165 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7166 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7167 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7168 config/i386/xm-linux.h, config/i386/xm-linux.h,
7169 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7170 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7171 Don't include i386/xm-i386.h.
7173 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7174 config/i386/xm-i386.h, config/i860/xm-i860.h,
7175 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7176 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7177 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7178 Delete (empty except comments, #includes of other deleted
7179 files, and macros used nowhere).
7181 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7183 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7184 independent on TARGET_FLAGS.
7186 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7188 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7190 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7192 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7194 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7195 LAST_REX_SSE_REG): define.
7196 (enum reg_class): Add 'LEGACY_REGS'
7197 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7198 (SSE_REGNO_P): Recognize extended registers.
7199 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7200 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7201 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7202 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7203 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7204 REG_OK_FOR_STRREG_P): Remove.
7205 (HI_REGISTER_NAMES): Add extended registers.
7206 (ADDITIONAL_REGISTER_NAMES): Likewise.
7207 (QI_REGISTER_NAMES): Add 8bit extended registers.
7208 (DEBUG_REG): Support extended registers.
7209 * i386.c (regclass_map): Add extended registers.
7210 (dbx_register-map): Likewise.
7211 (svr4_dbx_register_map): Likewise.
7212 (print_reg): Support extended registers.
7213 (print_operand): Support 64bit operands.
7215 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7217 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7218 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7219 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7220 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7221 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7222 STACK_BOUNDARY): Set properly for 64bits.
7223 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7224 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7225 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7226 (MOVE_MAX): Set to 16.
7227 (MOVE_MAX_PIECES): 8 for 64bit.
7228 (Pmode): Set to SImode.
7230 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7232 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7234 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7236 * i386.h (mask_64bit): New constant.
7237 (target_64bit): New macro.
7238 (target_options): Add '64'/'32'
7239 (target_default): Define.
7240 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7241 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7242 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7244 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7246 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7248 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7250 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7251 LO_SUM unless for_alias is set.
7253 2001-03-08 Stan Shebs <shebs@apple.com>
7255 * objc/objc-act.c: Fix old typos in comments, add comments for
7257 (hash_init): Fix file name in error message.
7258 (hash_enter): Ditto.
7259 (hash_add_attr): Ditto.
7260 (continue_class): Ditto.
7262 2001-03-08 Bruce Korb <bkorb@gnu.org>
7264 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7265 wait4() can receive the signal.
7267 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7269 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7271 * fixinc/fixincl.x: Regenerate.
7273 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7275 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7277 * fixinc/fixincl.x: Regenerate.
7279 2001-03-08 Richard Henderson <rth@redhat.com>
7281 * configure.in (HAVE_AS_LEB128): New assembler check.
7282 * configure, config.in: Rebuilt.
7284 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7286 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7289 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7291 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7292 references to the MAXPATHLEN macro.
7294 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7295 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7298 * config/i386/xm-gnu.h, config/xm-gnu.h,
7299 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7300 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7301 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7302 and/or unused files.
7304 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7305 doing so in various xm-*.h files.
7307 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7309 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7311 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7313 * configure.in (enable_shared): Support per-package shared-library
7315 * configure: Rebuilt.
7317 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7319 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7320 for crnot. Set operands[5] in splitter.
7322 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7324 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7325 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7326 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7327 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7328 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7329 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7330 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7333 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7334 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7335 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7336 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7337 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7338 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7339 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7340 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7341 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7342 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7343 Delete unused and/or empty files.
7345 * config.gcc: Define USG in xm_defines as appropriate. Define
7346 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7347 macro. Remove deleted xm-* files from $xm_files variable.
7349 2001-03-07 Tom Tromey <tromey@redhat.com>
7351 * configure: Rebuilt.
7352 * configure.in: Allow config-lang.in to set `lang_requires' to list
7353 of other required languages.
7355 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7357 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7359 (output_prologue): Use xmalloc not oballoc.
7360 (output_epilog): Free a29k_first_epilogue_insn when finished.
7361 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7363 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7365 * builtins.c (expand_builtin_mathfn): Check
7366 flag_unsafe_math_optimizations, not flag_fast_math.
7367 (expand_builtin): Likewise
7368 * combine.c (combine_simplify_rtx): Likewise.
7369 (simplify_if_then_else): Likewise.
7370 * cse.c (fold_rtx): Likewise.
7371 * flags.h: Remove flag_fast_math. Add
7372 flag_unsafe_math_optimizations and flag_trapping_math.
7373 * fold-const.c (negate_expr): Check
7374 flag_unsafe_math_optimizations, not flag_fast_math.
7375 (invert_truthvalue): Likewise.
7376 (fold): Likewise. Before associating operands, check that
7377 code == MULT_EXPR, not code != MULT_EXPR.
7378 * ifcvt.c (noce_try_minmax): Check
7379 flag_unsafe_math_optimizations, not flag_fast_math.
7380 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7381 * invoke.texi: Document -funsafe-math-optimizations and
7382 -fno-trapping-math. Change documentation for -ffast-math.
7383 * jump.c (reversed_comparison_code_parts): Likewise.
7384 (rtx_equal_for_thread_p): Likewise.
7385 * optabs.c (emit_conditional_move): Likewise.
7386 * simplify-rtx.c (simplify_binary_operation): Likewise.
7387 (simplify_relational_operation): Likewise.
7388 (simplify_ternary_operation): Likewise.
7389 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7390 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7391 Add trapping-math and unsafe-math-optimizations entries to f_options.
7392 (set_fast_math_flags): New, sets flags for -ffast-math.
7393 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7394 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7395 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7397 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7398 (alpha_emit_conditional_move): Initialize local_fast_math to
7399 flag_unsafe_math_optimizations, not flat_fast_math.
7400 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7401 instead of setting flag_fast_math to 1.
7402 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7404 * config/i386/i386.c (override_options): Likewise
7405 * config/i386/i386.md: Likewise.
7406 * config/m68k/m68k.md: Likewise.
7407 * config/mips/mips.md: Likewise.
7408 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7409 (rs6000_generate_compare): Likewise.
7411 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7413 * Makefile.in: Set RANLIB to @RANLIB@.
7416 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7418 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7419 * fixinc/fixincl.x: Regenerated.
7421 2001-03-07 Richard Henderson <rth@redhat.com>
7423 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7425 2001-03-07 Richard Henderson <rth@redhat.com>
7427 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7428 of block notes and exception handling notes.
7430 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7431 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7432 (compile_file): ... here.
7434 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7436 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7438 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7439 config.h now. Include libiberty.h to handle alloca.
7441 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7443 * c-parse.in (yylexname): New function, split out of _yylex.
7444 (objc_rid_sans_at): New table.
7445 (init_reswords): Initialize it.
7446 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7447 retrieving the next token and checking it for significance as
7448 an ObjC keyword or string constant.
7450 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7451 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7453 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7456 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7458 * config/m68k/m68k.c (const_uint32_operand): Accept any
7459 const_int on a 32-bit host.
7461 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7463 * objc/objc-act.c (init_objc): Set save_lang_status,
7464 restore_lang_status, and mark_lang_status.
7466 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7468 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7470 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7472 * cppinternals.texi: Update.
7474 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7476 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7477 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7478 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7479 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7480 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7481 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7482 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7483 config/i386/xm-i386.h, config/i860/xm-i860.h,
7484 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7485 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7486 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7487 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7488 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7489 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7490 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7491 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7492 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7493 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7494 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7495 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7496 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7497 match the defaults provided in hwint.h.
7499 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7500 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7502 * config.gcc (xm_file): Don't set to files which are deleted.
7504 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7505 guard this file against these macros being undefined.
7507 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7509 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7510 and DECL_DEFER_OUTPUT on the decl we create, before calling
7511 rest_of_decl_compilation.
7513 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7515 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7517 * configure, config.in: Regenerate.
7518 * config.gcc: Remove references to deleted files.
7520 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7521 genrecog.c, rtl.c: Do not use alloca anywhere.
7523 * Makefile.in, build-make, system.h, config/x-interix,
7524 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7525 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7526 config/arc/xm-arc.h, config/arm/xm-arm.h,
7527 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7528 config/h8300/xm-h8300.h, config/i370/x-oe,
7529 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7530 config/i386/x-ncr3000, config/i386/x-sco5,
7531 config/i386/xm-dgux.h, config/i860/x-sysv4,
7532 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7533 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7534 config/m68k/x-hp320g, config/m69k/x-mot3300,
7535 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7536 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7537 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7538 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7539 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7540 config/mips/x-iris, config/mips/x-iris3,
7541 config/mips/x-sni-svr4, config/mips/x-sysv,
7542 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7543 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7544 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7545 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7546 config/pa/xm-papro.h, config/romp/xm-romp.h,
7547 config/rs6000/x-aix31, config/rs6000/x-aix41,
7548 config/rs6000/x-beos, config/rs6000/x-lynx,
7549 config/rs6000/x-mach, config/rs6000/x-rs6000,
7550 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7551 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7552 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7553 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7554 config/vax/xm-vms.h: Eradicate all references to alloca and
7557 * config/xm-alloca.h, config/clipper/x-clix,
7558 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7559 config/i860/x-sysv3, config/m88k/x-sysv3,
7560 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7561 (contained only alloca related hacks).
7563 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7566 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7568 * invoke.texi: Document __FAST_MATH__.
7570 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7572 * crtstuff.c: Restore include of auto-host.h.
7574 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7576 Put main() in a separate file, so that the language
7577 front-end can use a different main().
7580 * toplev.c: (main): Rename as toplev_main.
7581 * toplev.h: Declare toplev_main.
7582 * Makefile.in (OBJS): add toplev.o.
7583 (BACKEND): remove toplev.o, add main.o.
7585 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7587 * cppfiles.c (search_from): Special case the empty string.
7589 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7591 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7592 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7593 strlen or strcpy; we already know the length.
7594 (_cpp_compare_file_date): Similarly.
7595 * cpphash.h (struct cpp_reader): Delete done_initialising.
7596 (CPP_PREV_BUFFER): Delete.
7597 * cppinit.c (cpp_start_read): Don't set done_initialising.
7598 * cpplex.c (parse_string): Guarantee null-termination.
7599 (_cpp_equiv_toklists): Remove.
7600 * cpplib.c (glue_header_name): Null-terminate.
7601 (do_line): Don't leak memory.
7602 * cpplib.h (BT_WEAK): Delete.
7603 * cppmain.c (cb_ident): Strings are now null-terminated.
7605 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7607 * gcc.c (convert_filename): Append executable suffix
7608 if NO_AUTO_EXE_SUFFIX is not defined.
7609 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7610 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7612 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7614 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7615 * c-parse.gperf, c-gperf.h: Delete.
7616 (c-gperf.h was accidently re-added to the CVS repo in the rev
7617 1.16 commit by tromey)
7619 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7621 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7622 macro arguments when looking for the '('.
7623 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7624 2 when really parsing arguments; 1 when looking for '('.
7625 Always restore the lexer position.
7627 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7629 * longlong.h (umul_ppmm): Don't use a multiline string.
7631 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7633 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7634 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7635 t_bool in declaration because pcc can't combine volatile with typedef
7638 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7640 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7641 until when it is really needed.
7642 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7643 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7644 * i386.md (float?i?f splitter): Don't force source operand to memory
7646 (sse_movdfcc): Fix constraint.
7647 (sse_movdfcc splitter): Handle properly the second alternative.
7649 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7651 * cpplex.c (parse_string): Unconditionally pedwarn.
7653 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7656 * cppexp.c (parse_number): Update.
7657 * cpplex.c (parse_string): Pedwarn if multiline string does not
7658 result from a system header's macro.
7659 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7660 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7661 for function-like macros too.
7662 * c-lex.c (lex_number): Update.
7664 2001-03-03 Richard Henderson <rth@redhat.com>
7666 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7668 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7670 * combine.c (try_combine): If split with mode-changed scratch
7671 register didn't work, try the original mode.
7673 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7675 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7676 * config/c4x/c4x.h: Likewise.
7677 * stor-layout.c (compute_record_mode): Likewise.
7678 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7680 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7682 * configure.in: Kill tm.h. Include the files in the $tm_file
7683 list in all three of config.h, hconfig.h, tconfig.h, after the
7684 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7685 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7686 * configure: Regenerate.
7687 * Makefile.in (clean): Don't delete tm.h.
7689 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7690 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7691 those are not defined, set SEC and FEC to 0 and 1.
7692 * gcc.texi: Update to match.
7694 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7695 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7696 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7697 Include tconfig.h, not tm.h.
7699 * config/xm-lynx.h, config/xm-std32.h,
7700 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7701 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7702 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7703 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7704 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7705 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7706 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7707 config/i386/xm-i386.h, config/i860/xm-i860.h,
7708 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7709 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7710 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7711 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7712 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7713 config/pa/xm-linux.h, config/pa/xm-pa.h,
7714 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7715 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7716 config/pj/xm-pj.h, config/romp/xm-romp.h,
7717 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7718 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7719 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7720 config/v850/xm-v850.h, config/vax/xm-vax.h,
7721 config/we32k/xm-we32k.h:
7723 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7725 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7726 config/i370/xm-oe.h: Don't include tm.h. Don't define
7728 * config/vax/xm-vms.h: Don't include tm.h.
7730 * config/xm-lynx.h, config/avr/xm-avr.h,
7731 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7732 Delete; made empty by above changes.
7733 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7734 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7735 Don't include config/xm-lynx.h or tm.h.
7737 * config/xm-gnu.h: Don't include fcntl.h.
7738 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7740 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7742 2001-03-02 Richard Henderson <rth@redhat.com>
7744 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7745 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7747 2001-03-02 Richard Henderson <rth@redhat.com>
7749 * Makefile.in (OBJS): Add dwarf2asm.o.
7750 * dwarf2asm.c, dwarf2asm.h: New files.
7751 * dwarf2out.c (*): Use them.
7752 (size_of_uleb128, size_of_sleb128): Remove.
7753 (output_uleb128, output_sleb128): Remove.
7754 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7755 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7756 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7757 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7758 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7759 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7760 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7761 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7762 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7763 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7764 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7765 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7766 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7767 (dwarf2out_frame_debug): Remove unused variables.
7768 (output_loc_operands): Don't abort on 8 byte constants if
7769 host integers are wide enough.
7770 (output_symbolic_ref): Remove.
7771 (size_of_die): Don't assume 4 byte host integers.
7772 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7774 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7775 something stupid with HOST_WIDE_INT to long truncation.
7776 [CONST_DOUBLE]: Likewise.
7778 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7779 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7780 * config/arm/unknown-elf.h: Likewise.
7781 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7782 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7783 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7784 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7785 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7786 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7787 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7788 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7789 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7790 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7791 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7792 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7794 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7796 * cselib.c (hash_rtx): Cast enums to unsigned int.
7798 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7800 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7801 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7803 * c-format.c (C_STD_VER): Cast to int for comparisons.
7804 (check_function_format): Cast various enums to int for &.
7805 (maybe_read_dollar_number): Likewise.
7806 (check_format_info): Likewise.
7807 (check_format_info_main): Likewise.
7808 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7809 (safe_from_p): Likewise.
7810 * varasm.c (const_hash): Cast enum to int for %.
7811 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7812 pcc enum problems with < and ++ operators.
7813 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7814 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7815 (regclass_init): Change enum class to int to iterate over reg_classes.
7816 * genrecog.c (merge_trees): Cast enums for comparison.
7817 * rtl.h (GET_CODE): Cast to enum rtx_code.
7818 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7819 (GET_MODE): Cast to enum machine_mode.
7820 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7821 (GET_NOTE_INSN_NAME): Cast enum to int.
7822 * tree.h (TREE_CODE): Cast to enum tree_code.
7823 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7824 * timevar.c (timevar_print): Change loop variable id from enum to
7826 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7827 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7828 * toplev.c (compile_file): Cast enum DFI to int.
7829 (decode_d_option): Likewise.
7831 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7833 * cppinit.c (append_include_chain): Mark "after" include file name list
7834 as a system directory.
7835 * cpp.texi: Document new behavior.
7837 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7839 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7841 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7843 * cppfiles.c (struct include_file): Update.
7844 (stack_include_file): Use search_from.
7845 (cpp_included, find_include_file): Update.
7846 (cpp_execute_include): Update. ptr->name may not be
7847 null terminated. Use the new search_from member variable
7849 (_cpp_compare_file_date): Similarly.
7850 (search_from): New function, similiar to actual_directory.
7851 (actual_directory): Delete.
7852 (remap_filename): Update. loc->name may not be null terminated.
7853 (struct file_name_list): Rename search_path. Update.
7854 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7855 search_from and dir.
7856 (struct cpp_reader): Remove actual_dirs.
7857 * cppinit.c (struct cpp_pending): Update for renamed objects.
7858 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7859 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7860 * cpplib.h (struct cpp_options): Similarly.
7862 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7864 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7865 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7866 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7867 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7868 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7869 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7870 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7871 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7872 config/i370/xm-oe.h, config/i386/xm-aix.h,
7873 config/i386/xm-i386.h, config/i386/xm-osf.h,
7874 config/i860/xm-i860.h, config/i960/xm-i960.h,
7875 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7876 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7877 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7878 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7879 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7880 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7881 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7882 config/pj/xm-pj.h, config/romp/xm-romp.h,
7883 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7884 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7885 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7886 config/v850/xm-v850.h, config/vax/xm-vax.h,
7887 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7888 Do not define TRUE or FALSE.
7890 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7891 empty by above change.
7892 * config.gcc: Remove references to these files.
7894 * configure.in: Detect stdbool.h.
7895 * configure, config.in: Regenerate.
7896 * system.h: Include stddef.h here if available.
7897 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7898 Then set up a sensible boolean type at the very end.
7900 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7901 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7903 * hash.h: Delete 'boolean' typedef and related #undefs.
7905 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7906 all uses of 'boolean' with 'bool'.
7908 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7910 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7911 * cppexp.c (lex): Cast enums for comparison.
7912 * cppinit.c (parse_option): Cast enum for comparison.
7913 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7914 (cpp_output_token): Likewise.
7915 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7916 (cpp_avoid_paste): Cast enums for minus and comparison.
7918 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7920 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7921 field to all array elements.
7923 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7925 * cpphash.h (struct cpp_reader): Add print_version field.
7926 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7927 just set print_version and other flags as appropriate.
7928 (cpp_post_options): Print version here if print_version is set.
7930 * toplev.c (exit_after_options): New flag.
7931 (independent_decode_option): Don't exit here; just set
7933 (main): Exit after calling lang_hooks.post_options if
7934 exit_after_options is true.
7936 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7937 (merge_include_chains): Adjust comment to match code.
7939 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7941 * stringpool.c (set_identifier): New function.
7942 * tree.h: Prototype it.
7944 * c-parse.in: Kill D_YES. If compiled for objc, call
7945 save_and_forget_protocol_qualifiers from init_reswords.
7946 * objc/objc-act.c (remember_protocol_qualifiers,
7947 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7948 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7950 (save_and_forget_protocol_qualifiers): New function.
7951 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7953 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7955 * c-semantics.c (prune_unused_decls): Return error_mark_node
7956 instead of (tree) 1 to stop traversing the tree chain.
7958 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7960 Fix a problem introduced by Kenner's Feb 18 change.
7961 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7962 flag_cse_skip_blocks only temporarily, not for ever.
7964 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7966 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7967 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7969 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7970 before determining its register class.
7972 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7974 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7975 from reg 4 if current_function_calls_setjmp.
7976 (gen_nop_type): New function.
7977 (ia64_emit_nops): New function.
7978 (ia64_reorg): Call it.
7979 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7981 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7982 code not to try to optimize adds with anything but a REG destination.
7984 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7985 (INSN_PRIORITY_KNOWN): New accessor macro.
7986 * haifa-sched.c (priority): Use it instead of testing priority against
7989 2001-02-28 DJ Delorie <dj@redhat.com>
7991 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7992 since that doesn't work the way gcc wants on a generic m68k.
7994 2001-02-28 Richard Henderson <rth@redhat.com>
7996 * caller-save.c (save_call_clobbered_regs): Fix typo in
7997 comparison last change.
7999 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8001 * i386.c (pentium4_cost): New.
8002 (m_PENT4): New macro.
8003 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8004 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8005 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8006 x86_memory_mismatch_stall): Add Pentium4
8007 (x86_use_q_reg, x86_use_any_reg): Kill.
8008 (override_options): Add pentium4.
8009 (incdec_operand): Return 0 for pentium4.
8010 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8011 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8012 (TARGET_PENTIUM4): Define.
8013 (enum processor_type): Add PROCESSOR_PENTIUM4.
8014 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8015 * i386.md (attribute "cpu"): Add pentium4.
8016 * invoke.texi (march): Add pentium4.
8018 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8020 * i386.md (sse_mov?fcc*): New patterns and splitters.
8021 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8022 the SSE based conditional moves.
8024 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8026 * i386.md (attribute mode): Add "TI".
8027 (movsf_1): Add pxor support; remove constant propagation splitter.
8028 (movdf_integer): Likewise.
8029 (movdf_nointeger): Likewise.
8030 (movxf constant prop splitter): Handle all modes; update for SSE.
8031 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8032 * i386.c (standard_80387_constant_p): Rewrite.
8033 (standard_sse_constant_p): New.
8034 * i386-protos.h (standard_sse_constant_p): New.
8036 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8038 * i386.md (sse_setccsf, sse_setccdf): New.
8039 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8041 * i386.c (sse_comparison_operator): Accept the supported unordered
8042 comparses; be ready for fast_math.
8043 (print_operand): Support 'D'.
8045 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8047 * jump.c (reversed_comparison_code): Kill.
8049 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8051 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8054 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8056 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8057 add missing '%' in constraints.
8059 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8061 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8062 for HOST_BITS_PER_WIDE_INT == 32 too.
8064 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8066 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8068 (insert_save, insert_restore): New parameter save_mode.
8069 (init_caller_save): Update initialization of reg_save_code
8070 and reg_restore_code.
8071 (save_call_clobbered_regs): Compute save_modes and update calls to
8072 reg_save_code and reg_restore_code.
8073 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8074 of spill; update use of reg_restore_code.
8075 (insert_save): Likewise.
8076 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8077 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8078 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8080 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8082 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8083 noce_try_store_flag_inc, noce_try_store_flag_mask,
8084 noce_try_cmove_arith):
8085 Use reversed_comparison_code instead of reverse_comparison and
8086 can_reverse_comparison_p.
8088 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8090 * jump.c (reversed_comparison_code_parts): Allow reversal of
8091 unordered compares in -ffast-math mode; reverse ordered compares
8092 for FP even w/o -ffast-math.
8094 2001-02-27 Richard Henderson <rth@redhat.com>
8096 * print-rtl.c (print_rtx) [i]: Don't print field five on
8097 NOTEs other than NOTE_INSN_DELETED_LABEL.
8099 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8101 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8102 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8104 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8106 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8107 even if walk_subtrees is 0.
8108 * c-semantics.c (prune_unused_decls): Return a non-null value to
8109 stop traversing the tree chain.
8111 2001-02-27 DJ Delorie <dj@redhat.com>
8113 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8114 register, *then* define it as the new CFA.
8116 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8118 * pa.c (override_options): Promote -fpic to -fPIC.
8119 (legitimize_pic_address): Simplify due to removal of
8120 small PIC as a code generation option.
8121 (secondary_reload_class): Similarly.
8122 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8123 (PRINT_OPERAND_ADDRESS): Similarly.
8124 * pa.md (various patterns): Similarly.
8125 (small pic lo_sum pattern): Remove.
8127 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8130 * md.texi (min, max): Document
8132 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8134 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8135 TARGET_PARTIAL_REG_DEPENDENCY.
8136 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8138 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8140 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8142 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8144 * mips.c (mips_make_temp_file): Fix thinko in last change.
8146 2001-02-26 Jason Eckhardt <jle@redhat.com>
8148 * combine.c (known_cond): Do not reverse the condition when
8149 SMAX/UMAX is being considered and the condition is for equality
8152 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8154 2001-02-26 Philip Blundell <philb@gnu.org>
8156 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8158 * config/arm/linux-elf.h: Remove historical relics related to
8159 above configurations.
8160 * config/arm/linux-oldld.h: Delete.
8161 * config/arm/linux-elf26.h: Delete.
8163 2001-02-26 Jason Merrill <jason@redhat.com>
8165 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8167 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8168 recognize a tentative definition. Lose obsolete code.
8170 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8171 variables unless necessary, either.
8173 2001-02-25 Richard Henderson <rth@redhat.com>
8175 * ifcvt.c (struct noce_if_info): Add test_bb.
8176 (noce_get_alt_condition): New.
8177 (noce_try_minmax, noce_try_abs): New.
8178 (noce_operand_ok): New.
8179 (noce_process_if_block): Use them.
8180 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8182 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8184 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8187 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8189 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8190 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8192 (mips_asm_file_end): Free temp_filename here.
8194 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8196 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8197 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8199 * config/i386/i386.md (movstrsi): Handle FAIL case.
8201 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8203 * cppinit.c (builtin_array): Update.
8204 (init_builtins): Flag builtins to warn if redefined or
8205 undefined. Define __GXX_WEAK as a normal macro.
8206 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8207 * cpplib.h (NODE_WARN): New flag.
8208 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8209 Handle __STDC__ as a builtin only on Solaris.
8210 (warn_of_redefinition): Renamed from check_macro_definition.
8211 Reverse sense of test. Always warn if NODE_WARN.
8212 (_cpp_create_definition): Use warn_of_redefinition. Flag
8213 any macro beginning with "__STDC_" to require a mandatory
8214 warning if redefined or undefined.
8216 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8218 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8219 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8220 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8221 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8222 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8223 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8224 Don't define any of:
8225 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8226 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8227 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8228 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8229 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8231 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8232 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8235 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8236 Delete now-empty file.
8238 * alpha/vms.h: Define NEED_ATEXIT here...
8239 * alpha/xm-vms.h: ...not here.
8241 * i386/cygwin.h: Don't define PARAMS.
8242 * mips/mips.c: Don't prototype mktemp. Don't define
8243 P_tmpdir. Use make_temp_file to create temporary files.
8244 Don't be clever and delete temporary files early.
8245 * config.gcc: Drop references to deleted files. Don't define
8247 * gcc.texi: Don't mention USE_PROTOTYPES.
8249 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8251 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8252 (ix86_set_move_mem_attrs_1): Likewise.
8253 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8254 * config/i386/i386.md (movstrsi): Call it.
8256 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8258 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8259 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8260 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8261 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8263 (i750a-*-*): Error here if hosting on i750a.
8264 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8266 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8267 Remove (empty modulo comments).
8269 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8270 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8271 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8272 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8273 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8274 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8276 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8277 Remove reference to winnt.h in comment.
8278 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8280 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8282 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8283 used to set another biv.
8285 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8287 * tree.h (BLOCK_DEAD): New macro.
8288 (struct tree_block): New flag, dead_flag.
8289 * print-tree.c (print_node, case 'b'): Print missing fields.
8290 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8291 * function.c (identify_blocks): Enable test for misplaced notes.
8292 (all_blocks): Skip BLOCK_DEAD blocks.
8293 * integrate.c (integrate_decl_tree): Likewise.
8295 * errors.c (internal_error, trim_filename): New functions.
8296 (fancy_abort): Call internal_error.
8297 * errors.h (internal_error, trim_filename): New declarations.
8299 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8301 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8303 (EXTRA_CONSTRAINT): Formatting changes.
8305 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8307 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8309 2001-02-23 Per Bothner <per@bothner.com>
8311 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8312 so they can be called from java/jvspec.c.
8313 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8315 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8317 * i386.c (ix86_frame): New structure.
8318 (ix86_compute_frame_size): Kill.
8319 (ix86_compute_frame_layout): New.
8320 (ix86_save_reg): New.
8321 (ix86_can_use_return_insn_p): Use frame layout stuff.
8322 (ix86_expand_prologue): Likewise.
8323 (ix86_expand_epilogue): Likewise.
8324 (ix86_initial_elimination_offset): Likewise.
8325 (ix86_nsaved_regs): Use ix86_save_reg.
8326 (ix86_emit_save_regs): Likewise.
8328 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8330 * flow.c (find_sub_basic_blocks): New function.
8331 (split_block): Be ready for basic block introduced by CODE_LABEL.
8332 (commit_one_edge_insertion): Call find_sub_basic_block.
8334 * flow.c (make_edges): Add edge from entry for blocks starting with
8335 label having ALTERNATE_NAME
8337 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8339 * function.c (epilogue_done): Be ready for first basic block not
8340 containing PROLOGUE_END note.
8341 (reposition_prologue_and_epilogue_notes): Avoid placing
8342 PROLOGUE_END note between BASIC_BLOCK.
8344 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8346 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8348 2001-02-21 DJ Delorie <dj@redhat.com>
8350 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8351 check for current_function_has_nonlocal_goto from 1999-11-12.
8353 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8355 * diagnostic.c (trim_filename): No longer static.
8356 * toplev.h (trim_filename): Declare.
8357 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8358 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8359 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8360 (rtvec_check_failed_bounds): Likewise.
8361 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8363 * convert.c (convert_to_integer): Don't do unsigned unless result or
8364 both inputs are unsigned.
8366 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8369 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8371 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8373 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8375 * Makefile.in (resource.o): Add params.h dependence.
8376 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8377 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8378 * resource.c: Add dependence on params.h.
8379 (current_live_regs): Fix explanatory comment.
8380 (find_basic_block): Add new parameter to permit limiting search
8382 (mark_target_live_regs): Add new argument to find_basic_block call.
8383 (incr_ticks_for_insn): Likewise.
8385 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8387 * diagnostic.c (output_to_stream): Rename to
8388 output_buffer_to_stream. Loses the stream parameter.
8389 (init_output_buffer): Set diagnosic_buffer's stream.
8390 (flush_diagnostic_buffer): Adjust.
8391 (default_print_error_function): Likewise.
8392 (finish_diagnostic): Likewise.
8393 (verbatim): Likewise.
8395 * diagnostic.h (struct output_buffer): Add `stream' field.
8396 (output_buffer_attached_stream): New macro.
8398 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8400 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8401 check if either operand is divisible by C.
8402 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8403 If type is signed, consider negative numbers as well.
8405 2001-02-22 Richard Henderson <rth@redhat.com>
8407 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8408 reach .text instead of gp-relative relocs.
8409 * config/ia64/crtend.asm (.init): Likewise.
8411 2001-02-22 Andreas Jaeger <aj@suse.de>
8413 * extend.texi (C++ Attributes): Fix typo.
8415 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8417 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8418 functions, drop current_function_args_info.words test.
8419 (ia64_compute_frame_size): Mark syscall_linkage functions as
8420 using eight input registers.
8422 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8423 Bruce Korb <bkorb@gnu.org>
8425 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8426 * fixinc/README: Document how to convert sed substitutions
8427 to format style c_fix-es.
8428 * fixinc/fixincl.x: regen
8430 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8432 * gcc.c: Add comment explaining how to add a command-line option.
8433 Add title to specs language comment.
8435 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8437 * gcc.c (cc1_options): Add "-param".
8438 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8439 (option_map): Likewise.
8440 * toplev.c (display_help): Add entry for "--param".
8441 (independent_decode_option): Fix typographical error.
8443 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8444 Bernd Schmidt <bernds@redhat.com>
8445 Jan Hubicka <jh@suse.cz>
8447 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8448 (function_arg): Likewise.
8450 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8452 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8454 2001-02-21 Kazu Hirata <kazu@hxi.com>
8456 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8460 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8462 * flow.c (init_propagate_block_info): Canon address and use single_set
8463 for killing dead memory stores.
8465 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8467 * Makefile.in (reorg.o): Add params.h dependence.
8468 * params.def: Fix typographical error in comment.
8469 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8470 * params.h: Modify introductory comment.
8471 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8472 * reorg.c: Add dependence on params.h.
8473 (redundant_insn): Add parameterized throttle for search.
8474 (fill_simple_delay_slots): Add a comment explaining a variable.
8475 Move conditional out of loop, simplifying code.
8476 (fill_eager_delay_slots): Fix typographical error in comment.
8478 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8480 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8482 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8483 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8485 2001-02-21 Jason Merrill <jason@redhat.com>
8487 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8488 (struct tree_decl): Add uninlinable bitfield.
8489 * c-decl.c (duplicate_decls): Set it.
8490 * integrate.c (function_cannot_inline_p): Check it.
8492 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8493 DW_AT_MIPS_linkage_name to abstract methods.
8494 (dwarf2out_abstract_function): Emit class context before calling
8495 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8496 (gen_subprogram_die): Remove obsolete code.
8497 (gen_member_die): Don't include clones in the member list.
8498 (gen_decl_die): Emit abstract info for clone origin.
8499 * dwarfout.c (output_type): Don't include clones in the member list.
8500 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8501 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8502 DECL_ABSTRACT on a function that already has it set.
8504 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8505 (get_subprogram_die): Pass it in.
8507 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8509 * flow.c (mark_set_1): Make not_dead unsigned long. For
8510 non-pseudos, use it as a bitmask of the hard regs that
8513 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8515 * cppfiles.c: Update comments.
8516 (_cpp_read_file): Don't check for NULL filenames any more.
8517 * cppinit.c (cpp_start_read): Don't do canonicalization of
8518 in_fname and out_fname. Use the passed file name exclusively.
8519 (_cpp_handle_options): Don't treat "-" as a command line option,
8520 but as a normal filename.
8521 (_cpp_post_options): Canonicalize in_fname and out_fname.
8522 * cppmain.c (printer_init): Don't check out_fname for NULL.
8523 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8524 (init_c_lex): Update, and use "" to represent stdin to CPP.
8527 2001-02-20 Will Cohen <wcohen@redhat.com>
8529 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8530 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8531 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8534 2001-02-20 Stan Shebs <shebs@apple.com>
8536 * config/rs6000/rs6000.c (output_cbranch): Output branches
8537 on separate lines instead of using ';' to separate.
8539 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8541 * cppinit.c (set_lang): Move builtin handling to...
8542 (init_builtins): ...here.
8543 (_cpp_create_reader): Move call to set_lang.
8545 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8547 * stmt.c (expand_return): If an attempt is made to return the
8548 error_mar_node, treat the return like a return without a value.
8550 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8552 * sibcall.c (skip_copy_to_return_value): Call
8553 identify_call_return_value here, and return orig_insn if it
8554 returns zero. Hardret and softret arguments now unnecessary.
8555 (call_ends_block_p): Don't call identify_call_return_value here.
8557 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8559 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8560 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8562 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8564 * pa.c (move_operand): Accept code to load the address of a
8565 symbol out of the DLT as a valid move operand.
8566 (print_operand, case 'A'): New to handle generating a DLT
8567 reference for a LO_SUM expression.
8568 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8569 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8571 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8573 * README, cpp.texi, gcc.texi, version.c: Update version number to
8575 * cpp.1, gcov.1, gcc.1: Regenerate.
8577 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8579 * cppfiles.c (stack_include_file): Generate dependencies
8580 here, and manage include_count here too.
8581 (PRINT_THIS_DEP): Delete.
8582 (_cpp_execute_include): Do not generate dependencies here,
8583 apart from the case of a missing header. Do not manage
8585 (_cpp_read_file): Leave dependency generation to
8588 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8590 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8591 target_cpu_default. Remove dead assignment to
8594 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8596 * regclass.c (contains_reg_of_mode): Make global.
8597 (init_reg_sets): Remove contains_reg_of_mode; take into account
8598 CLASS_MAX_NREGS when looking for the proper mode.
8599 (dump_regclass): Dump only classes considered for the pseudo.
8600 (regclass): Use contains_reg_of_mode.
8602 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8604 * gcc.c (do_spec_1): 'n' for printing notices.
8605 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8607 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8609 * reg-stack.c (next_flags_user): Use current_block->end
8610 (swap_rtx_condition): Look for next user if flags don't die;
8611 give up on CALL_INSNs; use current_block->end.
8613 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8615 * sibcall.c (call_ends_block_p): New function.
8616 (optimize_sibling_and_tail_recursive_call): Use it.
8618 2001-02-18 Kazu Hirata <kazu@hxi.com>
8620 * config/h8300/h8300.md: Update copyright.
8621 (andsi3): Do not output an extra newline character.
8623 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8625 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8626 FNDECL may be unused.
8628 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8629 follow jumps after first run.
8630 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8631 it doesn't change any jumps.
8633 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8635 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8636 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8637 (mostlyclean): Corresponding changes.
8638 * rtlanal.c (hard-reg-set.h): Include.
8639 (rtx_unstable_p): Do not treat the argument pointer specially
8640 if it is not a fixed register.
8641 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8643 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8645 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8646 against last real insn in basic block.
8647 Rework to avoid gotos.
8649 * Makefile.in (gcse.o): Now includes ggc.h.
8650 * gcse.c: Include ggc.h.
8651 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8652 (try_replace_reg): Remove warning of uninitialize variable.
8653 (process_insert_insn): Call invalid_insn_p to validate insn.
8654 * recog.c (insn_invalid_p): Now global.
8655 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8656 * recog.h (insn_invalid_p): New declaration.
8658 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8660 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8661 assignments from FP constants since 'Y' output code can't handle it.
8662 (eligible_for_sibcall_delay): Likewise.
8664 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8665 Call fancy_abort directly, passing args.
8666 (print_rtl_and_abort): Now a macro, like fancy_abort.
8668 * final.c (output_operand_lossage): Use internal_error, not error.
8670 2001-02-18 Shane Nay <shane@agendacomputing.com>
8672 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8673 structure shift insns.
8675 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8677 * invoke.texi (-fsquangle): Remove documentation.
8678 (-fname-mangling-version): Likewise.
8680 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8682 * optabs.c (expand_abs): Remove reference to
8683 HAVE_contitional_arithmetic.
8684 * combine.c (simplify_set): Likewise.
8686 2001-02-18 Richard Henderson <rth@redhat.com>
8688 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8691 2001-02-18 Richard Henderson <rth@redhat.com>
8693 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8695 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8697 * reload1.c (reload_cse_simplify_set): Fix typo.
8699 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8701 * diagnostic.c (_fatal_insn): Decrement errorcount.
8703 * invoke.texi (-I): Add note avoiding use for system header files.
8705 * rtl.h (add_clobbers): Remove duplicate declaration.
8706 * recog.h (added_clobbers_hard_reg_p): New declaration.
8707 * genemit.c (struct clobber_pat): New field has_hard_reg.
8708 (gen_insn): Record if added clobbers clobber hard reg.
8709 (gen_split): Avoid unused warning if number of operands is 0.
8710 (output_added_clobbers_hard_reg_p): New function.
8713 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8715 * pa.c (hppa_expand_prologue): Simplify code storing return
8716 pointer. For large (>=8k) frames with a post_store, adjust stack
8717 pointer by 8k-64 first rather than by 64. When testing with
8718 VAL_14_BITS_P, always use the actual value rather than the value
8719 negated. Add blockage to prevent scheduling of spills before
8720 stack frame has been created.
8721 (hppa_expand_epilogue): Simplify code loading return pointer.
8722 Allow a slightly larger range for merge_sp_adjust_with_load case.
8723 When testing with VAL_14_BITS_P, always use the actual value.
8725 * pa.c (pa_adjust_insn_length): Check that block move
8726 pattern is a set before looking at operands.
8728 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8730 * fold-const.c (fold_binary_op_with_conditional_arg): New
8731 function, split out from ...
8733 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8734 conditional arms that throw exceptions.
8736 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8739 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8741 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8742 define HAVE_DECL_* to 1 to mask potential backup declarations.
8743 * configure: Regenerated.
8745 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8747 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8749 2001-02-17 Richard Henderson <rth@redhat.com>
8751 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8752 when replacing a memory load with a register.
8754 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8755 Jan Hubicka <jh@suse.cz>
8757 * recog.c (validate_replace_src_1): New.
8758 (validate_replace_src_data): Likewise.
8759 (validate_replace_src): Use note_uses.
8760 * rtl.h (note_uses): Declare.
8761 * rtlanal.c (note_uses): New.
8763 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8765 * reg-stack.c (stack_def): Make field reg unsigned.
8766 (remove_regno_note): Unsignetize parameter.
8768 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8770 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8771 shladd_operand() call.
8773 2001-02-16 Bruce Korb <bkorb@gnu.org>
8774 Rodney Brown <RodneyBrown@mynd.com>
8776 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8777 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8778 machine restrictions
8779 * fixinc/fixincl.x: regen
8781 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8783 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8785 (hash_scan_insn): Clean up calls to hash_scan_set.
8786 (compute_kill_rd): REGNO now unsigned.
8787 (try_replace_reg): Rework to use simplify_replace_rtx.
8788 (cprop_jump, cprop_cc0_jump): Likewise.
8789 (cprop_insn): Call find_reg_equal_equiv_note.
8790 Reflect changes to cprop_jump and cprop_cc0_jump.
8792 * recog.c (validate_replace_src): Replace in operands of
8793 ZERO_EXTRACT in SET_DEST.
8795 * cse.c (new_label_ref): New variable.
8796 (insert): Set it instead of recorded_label_ref.
8797 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8798 CODE_LABEL for this function, and not already in REG_LABEL note.
8800 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8802 * resource.c (mark_referenced_resources): Fix typo in introductory
8804 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8807 2001-02-16 Jason Merrill <jason@redhat.com>
8809 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8811 (gen_subprogram_die): Don't abort on seeing a second definition if
8812 the previous one was abstract. Don't replace an abstract instance
8813 in the lookup table.
8815 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8816 gen_abstract_function.
8817 * dwarf2out.h: Declare it.
8818 * toplev.c (note_outlining_of_inline_function): New fn.
8819 * toplev.h: Declare it.
8820 * integrate.c (output_inline_function): Call it.
8821 * c-decl.c (duplicate_decls): Call it when redefining an extern
8822 inline. Don't inline the new defn.
8824 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8826 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8828 * .gdbinit: Rename to gdbinit.in.
8829 * gdbinit.in: New file,
8830 * configure.in: Generate .gdbinit from gdbinit.in.
8831 * configure: Regenerated.
8832 * Makefile.in (distclean): Always remove .gdbinit.
8834 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8836 * objc/objc-act.c (start_class): Register implemented_classes with
8839 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8841 * cppfiles.c (_cpp_make_system_header): Generate a file
8844 2001-02-15 Jim Meyering <meyering@lucent.com>
8846 * Makefile.in (install-common): Don't depend on installdirs here.
8847 Instead, make each of the lang.install-common targets (e.g.,
8848 c++.install-common in cp/Make-lang.in) depend on it.
8849 (install-driver): Depend on installdirs.
8851 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8853 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8855 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8858 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8860 * invoke.texi (--param): Document.
8862 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8864 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8866 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8868 * i386.md (extendsfdf2_2): Fix constraints.
8870 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8872 * i386.md (fop_df_3 splitter): Fix operand number.
8874 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8876 * invoke.texi (-mreg-alloc): Nuke.
8877 * i386.c (ix86_reg_alloc_order, regs_allocated,
8878 order_regs_for_local_alloc): Nuke.
8879 (override_options): Kill reg_alloc code.
8880 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8881 (REG_ALLOC_ORDER): SSE goes before I387.
8882 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8883 (ix86_reg_alloc_order): Likewise.
8884 * i386-protos.h (ix86_reg_alloc_order): Kill.
8886 2001-02-14 Richard Henderson <rth@redhat.com>
8888 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8890 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8892 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8894 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8896 * i386-protos.h (ix86_memory_move_cost): Move offline.
8897 * i386.c (ix86_register_move_cost): Compute properly cost of
8898 SSE, MMX and i387 instructions.
8899 (*_cost): Add costs of SSE/MMX moves.
8900 (ix86_memory_move_cost): Move offline from ....; Likewise.
8901 * i386.h (MEMORY_MOVE_COST): .... here;
8902 (struct processor costs): Add new fields to represent costs
8905 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8907 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8908 move_cost together with Matt Kraai's fix.
8910 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8912 * Makefile.in (OBJS): Add params.o.
8914 2001-02-14 Richard Henderson <rth@redhat.com>
8915 DJ Delorie <dj@redhat.com>
8917 * jump.c (jump_optimize_1): When we delete a conditional jump
8918 preceeding a non-conditional jump to effectively the same place,
8919 make sure that the combined jump skips any clobber insns between
8922 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8924 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8926 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8928 * Makefile.in (toplev.o): Depend on params.h.
8929 (intergate.o): Likewise.
8930 (params.o): New target.
8931 * flags.h (inline_max_insns): Remove.
8932 * integrate.c: Include params.h.
8933 Use MAX_INLINE_INSNS instead of inline_max_insns.
8934 * params.c: New file.
8935 * params.h: Likewise.
8936 * params.def: Likewise.
8937 * toplev.c: Include params.h.
8938 (lang_independent_params): New variable.
8939 (decode_f_option): Use the param machinery instead of setting
8941 (independent_decode_option): Handle "--param name=value".
8942 (main): Register language-independent parameters.
8944 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8946 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8948 2001-02-14 Richard Henderson <rth@redhat.com>
8950 * regclass.c (init_reg_sets_1): Revert last two changes.
8952 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8954 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8955 (variable_size): Call put_pending_size.
8956 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8957 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8958 sizes list, put newly created SAVE_EXPR there as well.
8960 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8962 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8963 (errata_find_address_regs): load_group has only 2 entries.
8964 (errata_emit_nops): Likewise. shladd is not problematic.
8965 Clear last_group if nop was emitted.
8966 (fixup_errata): load_group has only 2 entries.
8969 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8971 * c-lex.c (lex_number): Only warn traditionally for U suffix
8972 outside system macros.
8973 * cppexp.c (parse_number): Similarly.
8974 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8975 * cppmacro.c (struct cpp_macro): New member node.
8976 (parse_args): Only warn about missing rest args if not
8978 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8979 (cpp_sys_objmacro_p): New.
8980 (_cpp_create_definition): Store the node with the macro defn.
8981 Remember if the macro is defined in a system header.
8983 2001-02-13 DJ Delorie <dj@redhat.com>
8985 * configure.in (check_languages): determine languages to check
8986 * Makefile.in (check-c++): alias for check-g++
8987 (check-f77): alias for check-g77
8988 (CHECK_TARGETS): depend on configured languages
8990 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8992 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8993 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8994 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8995 (sqrtextendsfdf2): Disable for SSE2.
8997 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8999 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9000 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9001 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9002 (sqrtextendsfdf2): Disable for SSE2.
9004 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9006 * i386.md (movsfcc_1): Support integer cmove instruction.
9007 (movdfcc_1): Likewise; new splitter.
9009 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9011 * i386.c (output_fp_compare): Support SSE.
9012 (prepare_fp_compare_args): SSE comparisons always support memory.
9013 * i386.h (TARGET_CMOVE): SSE imply cmove.
9014 * i386.md (cmp?f2): Enable for SSE too.
9015 (cmpfp_i*): Support SSE.
9017 (cmpfp_i_sse_only): New.
9018 (s*, b* fp expanters): Enable for SSE too.
9019 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9022 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9024 * regclass.c (init_reg_sets_1): Silence warning.
9026 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9028 * i386.md (sqrt?f2): Change to expander.
9029 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9031 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9033 * rtlanal.c (find_reg_equal_equiv_note): New function.
9034 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9035 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9036 * rtl.h: Add declarations for above functions.
9038 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9040 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9042 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9043 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9044 * flow.c (mark_regs_live_at_end): Likewise.
9045 (calculate_global_regs_live): Likewise.
9046 * gcse.c (compute_hash_table): Likewise.
9047 (compute_kill_rd): Likewise.
9048 * resource.c (mark_target_live_regs): Likewise.
9049 * rtl.h (INVALID_REGNUM): New macro.
9051 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9053 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9055 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9057 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9060 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9062 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9064 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9065 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9066 (fop_sf_1_sse, fop_df_1_sse): New patterns
9067 (fop_*): Disable float_extend and float patterns for SSE compilation.
9068 * i386.c (output_387_binary_op): Support SSE.
9070 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9072 * i386.md (dummy_extendsfdf2): Support SSE2
9073 (extendsfdf2): Enable if 80387 or SSE2.
9074 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9075 and no MIX_I387_SSE2
9076 (extendsfdf2_1_sse_only): New pattern.
9077 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9079 (truncdfsf2_1): Support SSE.
9080 (truncdfsf2_2): Support SSE.
9081 (truncdfsf2_2_1_sse): New pattern.
9082 (fixtruncsfsi2): Always use SSE if available.
9083 (fix_truncsfsi_sse): New pattern.
9084 (fix_truncdfsi_sse): New pattern.
9085 (floatsis?f2): Support SSE.
9086 (floatsidf2_i387): New pattern.
9087 (floatsidf2_sse): Likewise.
9089 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9091 * configure.in: Use "have_gnat" variable, not "gnat".
9092 * configure: Regenerated.
9094 * config/sparc/sparc.c (function_value): Treat all non-record
9095 aggregate types like used to treat UNION_TYPE.
9097 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9099 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9100 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9102 (MASK_MIX_SSE_I387): New.
9103 (TARGET_SSE): SSE2 imply SSE.
9104 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9105 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9106 (enum reg_class): Add new classes.
9107 (REG_CLASS_NAMES): Likewise.
9108 (REG_CLASS_CONTENTS): Likewise.
9109 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9110 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9111 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9112 (CLASS_MAX_NREGS): Use new macros.
9113 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9114 * i386.md (pushsf, movsf): Support SSE.
9115 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9116 splitters to use ANY_FP_REGNO_P.
9117 (movdf_nointeger, movdf_integer): Likewise.
9119 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9121 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9122 (try_combine): Use it.
9124 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9126 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9127 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9128 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9129 (REGISTER_MOVE_COST): Likewise.
9130 * i386-protos.h (ix86_secondary_memory_needed,
9131 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9132 * i386.c (ix86_secondary_memory_needed,
9133 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9135 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9137 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9138 (HARD_REGNO_MODE_OK): Move offline to ....
9139 * i386.c (ix86_hard_regno_mode_ok) ... here;
9140 refuse all incorrect modes.
9141 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9143 2001-02-13 Richard Henderson <rth@redhat.com>
9145 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9146 entire operator; replicate that and match_dup the operands.
9147 (cmp_ccx_arith_op_set): Likewise.
9148 (cmp_cc_arith_op_not_set): Likewise.
9149 (cmp_ccx_arith_op_not_set): Likewise.
9151 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9153 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9155 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9157 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9158 (TARGET_NO_BITFIELD_WORD): New macro.
9159 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9160 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9162 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9164 * cselib.c: New file, from simplify-rtx.c.
9165 * simplify-rtx.c: Remove cselib parts.
9166 * Makefile.in: Add cselib.o.
9168 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9170 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9171 (setup_incoming_varargs): Remove warning.
9173 * config/rs6000/rs6000.c (validate_condition_mode): When
9174 flag_fast_math, allow floating-point conditionals to be reversed.
9175 (rs6000_generate_compare): When flag_fast_math, don't generate
9176 cror operations for FP conditionals.
9178 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9180 (ASM_SPEC): Likewise.
9181 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9182 (CC1_SPEC): Likewise.
9183 (LINK_TARGET_SPEC): Likewise.
9184 (CPP_ENDIAN_SPEC): Likewise.
9185 * Makefile.in (check-consistency): New target.
9187 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9189 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9190 "return type defaults" warning for functions with return type
9192 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9193 function declarations by default rather than only when pedantic.
9195 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9197 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9200 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9202 * extend.texi (Deprecated): Deprecate new initializer lists.
9204 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9206 * mkdeps.c (deps_add_default_target): Robustify. Add
9207 basename component only.
9208 * cpp.texi (-M): Describe how default target is generated.
9209 * invoke.texi (-M): Likewise.
9211 2001-02-12 Kazu Hirata <kazu@hxi.com>
9213 * toplev.c (push_float_handler): Remove.
9214 (pop_float_handler): Remove.
9215 * toplev.h: Remove prototypes for the above functions.
9217 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9219 * c-common.c (constant_fits_type_p): New function.
9220 (convert_and_check): Use it.
9222 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9224 * Makefile.in (GXX_ABI_FLAG): Don't define.
9225 * configure.in (--enable-new-gxx-abi): Remove option.
9226 * config.in: Regenerated.
9227 * configure: Likewise.
9229 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9231 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9233 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9234 regular basic block, and arrange for all edges into it to switch
9237 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9239 * Makefile.in (distclean): Do not remove .gdbinit.
9241 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9243 * Makefile.in (gcc.o): Fix typos.
9244 (protize.o): Likewise.
9245 (unprotoize.o): Likewise.
9247 2001-02-11 Richard Henderson <rth@redhat.com>
9249 * tree.c (build1): Check for null operand in last change.
9251 2001-02-11 Richard Henderson <rth@redhat.com>
9253 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9254 (fold): Don't assume a constant isn't foldable.
9255 * tree.c (build): Set TREE_CONSTANT for an expression with no
9256 side-effects and constant operands.
9259 2001-02-10 Richard Henderson <rth@redhat.com>
9261 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9263 2001-02-10 Anthony Green <green@redhat.com>
9265 * cpp.texi (Standard Predefined): Add documentation for
9268 * c-common.c (combine_strings): Improve warning message.
9270 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9272 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9274 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9276 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9278 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9281 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9283 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9286 2001-02-09 Nick Clifton <nickc@redhat.com>
9288 * config/arm/arm.md: Change output contraint on post inc
9289 load/store multiple patterns to be a read/write contraint.
9291 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9293 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9294 .o files when using the -M options.
9296 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9297 David Edelsohn <edelsohn@gnu.org>
9299 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9300 handle DImode constants. Use one TOC entry for SImode and smaller
9301 constants, aligned properly.
9303 2001-02-08 Jason Merrill <jason@redhat.com>
9305 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9306 about the SP adjustment for saving the static chain pointer.
9307 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9308 offset when setting a temporary CFA register.
9310 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9312 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9313 powerpc-*-chorusos* .
9314 * config/rs6000/chorus.h : New file.
9315 * config/i386/chorus.h : New file.
9316 * config/sparc/chorus.h : New file.
9317 * config/sparc/t-chorus-elf : New file.
9319 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9321 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9322 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9323 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9324 (__WCHAR_TYPE__): Correct macro name.
9326 2001-02-08 Richard Henderson <rth@redhat.com>
9328 * config/i386/i386.c (ix86_frame_pointer_required): New.
9329 (ix86_setup_frame_addresses): New.
9330 (struct machine_funciton): Add accesses_prev_frame.
9331 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9332 ix86_frame_pointer_required.
9333 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9334 (SETUP_FRAME_ADDRESSES): New.
9335 * config/i386/i386-protos.h: Update.
9336 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9337 from FRAME_POINTER_REQUIRED.
9338 * config/i386/svr3gas.h: Likewise.
9339 * config/i386/sysv3.h: Likewise.
9340 * config/i386/v3gas.h: Likewise.
9342 2001-02-08 Richard Henderson <rth@redhat.com>
9344 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9345 calculation of the number of integer registers required.
9346 (function_arg_record_value): Likewise.
9348 2001-02-08 Jason Merrill <jason@redhat.com>
9350 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9351 two. Print file and line with "confused" message.
9353 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9355 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9357 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9359 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9361 * final.c (cleanup_subreg_operands): The address of a MEM can
9364 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9367 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9369 * gcc.texi (Incompatibilities): Update documentation of
9370 preprocessing numbers.
9372 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9374 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9376 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9378 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9380 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9381 * gcc.c (struct compiler): Add cpp_spec field.
9382 (input_file_compiler): New variable.
9383 (do_spec_1): Allow a particular compiler to handle `%C'
9385 (main): Store the current compiler in input_file_compiler.
9386 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9388 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9390 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9391 * cppinit.c (cpp_create_reader): Initialize them.
9392 (append_include_chain): cxx_aware arg might be unused.
9393 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9394 keywords and give them their phase 7 meaning. Pedwarn about
9395 this unless '__bool_true_false_are_defined' is defined.
9397 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9399 * lcm.c (optimize_mode_switching): Emit mode_set before the
9400 JUMP_INSN of an abnormal edge.
9402 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9404 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9405 a scheduling barrier at the end.
9407 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9409 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9411 * config/sh/sh.md (reload_outsf): Removed.
9412 (movsf_ie): Introduce constraints for FPUL loads and stores.
9413 (reload_insf): Broaden the output constraint.
9415 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9417 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9418 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9420 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9422 * final.c: Revert my previous changes.
9423 * output.h: Make profile_label_no extern.
9424 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9425 for generating label.
9427 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9429 * config/i386/djgpp.h: Add comments about standard paths.
9430 (MD_EXEC_PREFIX): Undefine before defining.
9431 (MD_STARTFILE_PREFIX): New.
9433 2001-01-30 Bruce Korb <bkorb@gnu.org>
9435 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9436 (load_file): do not rely on load_file_data() to close file pointer
9437 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9438 fixinc/inclhack.def(irix_limits_const): add test_text
9440 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9442 * cppexp.c (parse_defined): Improve diagnostics for invalid
9445 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9447 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9449 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9451 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9452 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9453 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9454 (rs6000_output_symbol_ref): New function.
9455 (output_toc): Use VTABLE_NAME_P.
9457 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9459 * print-tree.c (print_node, case PARM_DECL):
9460 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9462 * stor-layout.c (reference_types_internal): New variable.
9463 (internal_reference_types): New function.
9464 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9465 * tree.h (internal_reference_types): New declaration.
9467 * cse.c (find_best_addr): Fix typo in computing cost.
9469 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9471 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9472 and this is the sum of a pointer and a constant, we know the result
9474 (num_sign_bit_copies, case PLUS): Likewise.
9475 * explow.c (convert_memory_address): Remove opposite SUBREG.
9476 * function.c (instantiate_new_reg): New function (from common code).
9477 (instantiate_virtual_regs_1): Call it.
9478 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9479 if pointers sign- or zero-extend.
9480 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9481 If pointers extend unsigned, use inside of SUBREG.
9482 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9484 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9486 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9487 subdir of gcc_gxx_include_dir.
9488 (gcc_gxx_target_include_dir): Remove.
9490 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9492 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9493 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9494 a high-level description.
9496 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9498 * final.c: Move the declaration of profile_label_no to ...
9499 * output.h: ... here.
9500 * function.c (expand_function_start): Call PROFILE_HOOK.
9501 * config/rs6000/aix.h: Define PROFILE_HOOK.
9502 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9503 * config/rs6000/rs6000.c (output_profile_hook): Define.
9504 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9505 output_profile_hook.
9506 tm.texi : Explain new macro PROFILE_HOOK.
9508 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9510 * extend.texi (Extended Asm): Do not say that semicolon is always
9511 a valid line-breaking character for GNU assemblers. Use
9512 newline-tab as the most commonly supported syntax. Use
9513 newline-tab rather than semicolon in multi-insn examples.
9515 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9517 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9519 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9520 David Edelsohn <edelsohn@gnu.org>
9522 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9523 code for AIX, even without flag_pic.
9525 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9527 * c-typeck.c (common_type): push and pop binding level around
9528 calling common_type on function parameters.
9530 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9532 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9534 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9536 * config/mips/mips.c (override_options): Fix typo in last change.
9537 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9538 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9540 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9542 * invoke.texi (-fdump-class-layout): Document.
9543 (-fdump-translation-unit): Use `=' as filename separator.
9545 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9547 * Makefile.in (s-mlib): Don't build multilibs if
9549 (DRIVER_DEFINES): Adjust accordingly.
9551 (protoize.o): Likewise.
9552 (unprotoize.o): Likewise.
9553 * configure.in: Recognize --enable-multilib.
9555 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9557 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9559 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9560 * configure.in: Remove --enable-libstdcxx_v3 support.
9561 * configure: Regenerated.
9563 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9565 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9566 Call abort instead of fatal.
9567 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9568 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9569 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9570 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9571 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9572 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9574 * diagnostic.h (set_internal_error_function): Renamed.
9575 * toplev.h (internal_error): Renamed from fatal.
9576 (pfatal_with_name): Deleted.
9577 (fatal_io_error): Now has printf-style arguments.
9578 * diagnostic.c (pfatal_with_name): Deleted.
9579 (fatal_io_error): Rework to have args in printf-style.
9580 (set_internal_error_function): Renamed from set_fatal_function.
9581 (internal_error): Renamed from fatal.
9582 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9583 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9584 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9585 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9586 * flow.c (verify_flow_info): Likewise.
9587 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9588 * config/mips/mips.c (save_restore_insns): Likewise.
9590 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9591 * flow.c (verify_flow_info): Likewise.
9592 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9593 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9594 (avr_normalize_condition): Likewise.
9595 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9596 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9597 (limit_reload_class, double_reg_to_memory): Likewise.
9598 (print_operand_address, emit_1600_code_shift): Likewise.
9599 (gen_tst_reg, gen_compare_reg): Likewise.
9600 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9601 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9603 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9605 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9606 * objc/objc-act.c (build_ivar_chain): Likewise.
9607 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9609 * graph.c (clean_graph_dump_file): Likewise.
9610 * profile.c (init_branch_prob): Likewise.
9611 * objc/objc-act.c (objc_init): Likewise.
9613 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9614 * config/avr/avr.c (avr_override_options): Likewise.
9615 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9616 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9617 * config/h8300/h8300.c (h8300_init_once): Likewise.
9618 * config/mips/mips.c (override_options): Likewise.
9619 * config/i386/i386.c (override_options): Likewise, rework.
9620 * config/m68k/m68k.c (override_options): Likewise.
9622 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9624 * config/mips/mips.c (print_operand): Likewise.
9625 * hash.c (hash_allocate): Don't check for failure returns from
9626 obstack functions that can't fail.
9627 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9628 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9629 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9630 (get_object_reference): Likewise.
9632 2001-02-04 Nick Clifton <nickc@redhat.com>
9634 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9635 StrongARM1110, 10TDMI, and 1020T.
9637 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9639 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9641 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9643 * config/sh/sh.md (movdf load split): Pass register number to
9644 FP_OR_XD_REGISTER_P.
9646 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9648 * cppinit.c (BC): New macro.
9649 (builtin_array): Add __GXX_WEAK__.
9650 * cpplib.h (builtin_type): Add BT_WEAK.
9651 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9652 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9653 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9655 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9657 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9659 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9661 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9662 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9664 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9666 * cpphash.h: Rename ALIGN _ALIGN.
9667 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9669 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9671 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9672 compilation environment.
9673 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9674 control over location of cygwin includes and libs.
9676 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9678 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9680 2001-02-02 lars brinkhoff <lars@nocrew.org>
9682 * md.texi (Standard Names): remove reference to spur.md.
9684 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9686 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9687 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9688 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9689 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9690 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9692 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9694 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9695 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9696 number before reload.
9697 (c4x_adjust_cost): Return zero before reload.
9698 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9699 split before reload.
9701 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9703 * c4x.c (c4x_hard_regno_rename_ok): New.
9704 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9705 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9707 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9709 * diagnostic.h: Add missing "extern" in all declarations.
9711 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9713 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9714 as for gcc_gxx_include_dir.
9716 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9718 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9720 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9722 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9723 label before alignment to be used as the braf base address.
9724 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9726 (casesi_jump_2): Require at least TARGET_SH2.
9728 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9729 truncation to 32-bit doubles on -m3e and -m4-single-only.
9731 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9733 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9734 the default when building a shared object.
9735 (init_spec): Use it.
9736 * testsuite/lib/g++.exp: Include the directory where libgcc
9737 is located to the LD_LIBRARY_PATH list.
9738 * invoke.texi (-shared-libgcc): Document the cases in which
9739 GCC defaults to using the shared libgcc.
9741 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9743 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9744 unsigned is wide enough.
9746 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9747 (si_to_float): Likewise.
9748 (float_to_si, float_to_usi): Use BITS_PER_SI.
9750 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9752 * dwarf2out.c: Added explanation of abbreviations.
9753 (def_cfa_1): Added comments listing DWARF2 instructions.
9754 (cfa_temp_reg): Removed in favor of cfa_temp.
9755 (cfa_temp_value): Removed in favor of cfa_temp.
9756 (cfa_temp): New global variable.
9757 (dwarf2out_frame_debug_expr): Added extensive introductory
9758 comments explaining the function's transformations. Revised to
9759 use cfa_temp. Added some rtx checking. Generalize IOR case.
9760 (dwarf2out_frame_debug): Revised to use cfa_temp.
9761 (output_aranges): Cast as "unsigned" to avoid warning.
9762 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9763 explain which instructions must be marked.
9765 2001-02-01 Richard Henderson <rth@redhat.com>
9767 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9770 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9772 * config/sh/crt1.asm (main_k): Modified so that start calls
9773 ___setup_argv_and_call_main.
9775 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9777 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9778 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9779 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9780 * cppmacro.c (builtin_macro): Set builtin flags here.
9781 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9782 (replace_args): Clarify intent.
9783 (cpp_get_token): Macro expansion tokens get the saved flags.
9785 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9788 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9790 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9793 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9795 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9796 returns Pmode pseudo, but we need ptr_mode.
9797 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9798 Remove bogus conversions; use HOST_WIDE_INT for size.
9799 Don't use TARGET if wrong mode.
9801 * config/i386/i386.c (ix86_compute_frame_size): Allow
9802 stack_alignment_needed to be non-default even if size is zero.
9804 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9806 * pa.c (hppa_init_pic_save): New function.
9807 * pa.h (hppa_init_pic_save): Declare.
9808 * pa.md (call, call_value, sibcall, sibcall_value): Use
9809 the above instead of duplicated code.
9811 * pa.c (hppa_encode_label): Correct size of alloca buffer
9812 so we don't overrun it. Correct leading `*' case.
9813 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9814 need to handle `*@'.
9815 (FUNCTION_NAME_P): Likewise.
9817 2001-01-31 Richard Henderson <rth@redhat.com>
9819 * config.gcc (alpha-osf5): Use float-i128.h.
9821 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9822 * config/float-i32.h: Likewise.
9823 * config/float-i64.h: Likewise.
9824 * config/float-sh.h: Likewise.
9825 * config/float-sparc.h: Likewise.
9827 2001-01-31 DJ Delorie <dj@redhat.com>
9829 * expmed.c (extract_bit_field): allow non-integral modes if we
9830 want to extract a whole register from itself.
9832 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9834 * c-typeck.c (set_init_index): If first is equal to last, assume as
9835 if it was not a range at all.
9837 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9839 * config/fp-bit.c: Include tm.h.
9840 (float_to_si): Don't assume SImode is 32-bits wide.
9841 (float_to_usi): Likewise.
9843 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9845 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9847 (typename): Call pending_xref_error after parsing typed_typespecs.
9848 * c-decl.c (lookup_tag): Give error immediately rather than
9849 leaving it pending if the tag of the wrong type is in the same
9851 (xref_tag): Don't pedwarn for forward declarations of enum types
9853 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9856 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9858 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9860 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9862 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9863 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9865 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9867 * cpphash.h (struct cpp_reader): New saved_flags.
9868 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9869 to avoid a paste after a pasted token.
9871 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9873 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9874 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9875 Wtype_MIN instead of LONG_MIN.
9877 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9879 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9881 * fixinc/fixincl.x: Regenerated.
9882 * fixinc/inclhack.def (irix_limits_const): New definition to
9883 convert "const" to "__const" in limits.h.
9885 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9887 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9889 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9891 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9892 when register dies in the insn.
9894 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9896 * diagnostic.c (fatal): Fix word wrap.
9898 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9900 * combine.c (try_combine): Fix SUBREG setting for
9901 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9903 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9905 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9908 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9910 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9912 * toplev.c (decode_W_option): Update warn_larger_than
9913 unconditionally for each processed switch.
9915 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9917 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9919 (hppa_expand_prologue): Delete code to save pic offset table register
9920 in the function prologue.
9921 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9922 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9923 table register at the beginning of the function after the prologue.
9925 2001-01-29 lars brinkhoff <lars@nocrew.org>
9927 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9929 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9930 Jeff Law <law@redhat.com>
9932 * pa.md (return): Revise comment for trivial return.
9933 (return_internal): Non-trivial return pattern for non-PIC code.
9934 (return_internal_pic): Non-trivial return pattern for PIC code.
9935 It uses the PIC register to ensure it is restored after
9937 (epilogue): Generate appropriate return for PIC and non-PIC code.
9939 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9941 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9943 2001-01-29 DJ Delorie <dj@redhat.com>
9945 * combine.c (if_then_else_cond): Pass the correct mode to
9946 operand_subword() for constants.
9948 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9950 * config/i386/cygwin.h: Add w32api to include search. Search different
9951 directories in a cross-build environment.
9953 2001-11-29 Tim Josling <tej@melbpc.org.au>
9955 * tree.h (TYPE_STUB_DECL): Add documentation.
9957 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9959 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9960 (sdbout_field_types): Likwise. Fix use of host_integerp.
9962 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9964 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9967 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9969 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9970 to use flag_gnu_linker.
9972 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9974 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9975 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9977 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9979 * tree.c, tree.h (build_parse_node): Remove; was identical to
9981 * c-lang.c (start_cdtor), objc/objc-act.c
9982 (build_module_descriptor): Use build_nt instead of
9985 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9987 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9988 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9989 not have any upper bits set.
9991 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9993 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9995 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9997 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9999 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10001 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10002 (integer_minus_one_node): Define.
10004 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10006 * Makefile.in (bootstrap2-lean): Fix typo.
10008 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10010 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10011 : Don't set fe_value.
10012 * cpplib.h (AVOID_LPASTE): New flag.
10013 (struct cpp_hashnode): Remove fe_value.
10014 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10015 * cppmacro.c (builtin_macro): Don't set flags here.
10016 (replace_args): Set AVOID_LPASTE flag on first token of an
10017 argument, and the token following it.
10018 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10019 macro expansion, and on the token following it. Do it for
10021 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10023 2001-01-27 Richard Henderson <rth@redhat.com>
10025 * config/alpha/t-ieee: Remove multilibbing.
10026 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10028 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10030 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10032 * Makefile.in: Remove all dependencies on defaults.h.
10033 * builtins.c: Don't include defaults.h.
10034 * c-common.c: Likewise.
10035 * c-decl.c: Likewise.
10036 * c-pragma.c: Likewise.
10037 * c-typeck.c: Likewise.
10038 * combine.c: Likewise.
10039 * i386.c: Likewise.
10040 * frame-ia64.c: Likewise.
10041 * cppexp.c: Likewise.
10042 * crtstuff.c: Likewise.
10043 * dbxout.c: Likewise.
10044 * dwarf2out.c: Likewise.
10045 * dwarfout.c: Likewise.
10046 * emit-rtl.c: Likewise.
10047 * except.c: Likewise.
10048 * expr.c: Likewise.
10049 * final.c: Likewise.
10050 * frame-dwarf2.c: Likewise.
10051 * libgcc2.c: Likewise.
10052 * optabs.c: Likewise.
10053 * profile.c: Likewise.
10054 * sdbout.c: Likewise.
10055 * toplev.c: Likewise.
10056 * tradcif.y: Likewise.
10057 * tree.c: Likewise.
10058 * varasm.c: Likewise.
10060 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10062 * builtins.c (expand_builtin_fputs): Use size_one_node when
10063 transforming into fwrite.
10065 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10067 * extend.texi (Attribute Syntax): New section.
10069 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10071 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10072 they didn't need fixing.
10074 2001-01-27 Janis Johnson <janis@us.ibm.com>
10076 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10078 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10079 to remove macro definitions that are duplicated from elfos.h.
10081 2001-01-27 Richard Henderson <rth@redhat.com>
10083 * config/i386/sco5gas.h: Move ...
10084 * config/usegas.h: ... here.
10085 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10087 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10089 * c-typeck.c (struct constructor_stack): Add range_stack member.
10090 (really_start_incremental_init): Clear it.
10091 (push_init_level): Save constructor_range_stack and clear it if
10092 pushing explicit braces.
10093 (pop_init_level): abort if constructor_range_stack is non-zero at
10094 explicit closing brace. Restore saved constructor_range_stack if
10097 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10099 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10100 into register was forced into memory.
10102 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10104 * Makefile.in: Remove uses of + before $(MAKE).
10106 2001-01-26 Richard Henderson <rth@redhat.com>
10108 * stmt.c (cost_table): Remove.
10109 (COST_TABLE, cost_table_initialized): New.
10110 (estimate_case_costs): Use the later instead of the former.
10111 (balance_case_nodes): Likewise.
10113 2001-01-26 Richard Henderson <rth@redhat.com>
10115 * alias.c (objects_must_conflict_p): Read-only slots may not
10116 conflict despite having the same type.
10118 2001-01-27 Michael Hayes <mhayes@redhat.com>
10120 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10122 (check_ext_dependant_givs): Initialise u_start_val and
10124 (load_mems): Make last_max_reg unsigned.
10125 (try_swap_copy_prop): Use INSN_P and initialise set.
10127 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10129 * README.AVR : Removed.
10131 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10133 * pa-64.h (text_section): Remove declaration.
10135 * pa.md (return_internal): Remove mode on PIC register use.
10137 2001-01-25 lars brinkhoff <lars@nocrew.org>
10139 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10140 ASM_CLOSE_PAREN): fix typos.
10142 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10144 * acconfig.h: Define `const' to the empty string if neither
10145 __STDC__ nor __cplusplus is defined.
10146 * config.in: Regenerated.
10148 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10150 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10151 * collect2.c (main): Delete importf. Add ".obj" file extension.
10152 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10153 (aix_std_libs): Add additional AIX libraries to skip.
10154 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10155 * config/rs6000/aix51.h: New file.
10157 2001-01-25 Michael Hayes <mhayes@redhat.com>
10159 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10160 (loop_insn_emit_before): No longer static.
10161 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10162 (loop_givs_rescan, load_mems): Likewise.
10163 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10164 (maybe_eliminate_biv_1):
10165 (move_movables): Replace emit_call_insn_before with
10166 loop_call_insn_hoist.
10167 * loop.h (loop_insn_emit_before): Add.
10168 * unroll.c (copy_loop_body): Replace emit_insn_before with
10169 loop_insn_emit_before.
10171 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10173 * diagnostic.c (fatal): Request preprocessed source.
10175 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10177 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10178 olddecl has argument types and newdecl has none, use the argument
10179 types from olddecl.
10181 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10183 * dwarf2out.c (prefix_of): New function. Determine longest common
10184 prefix of the two arguments. The units are whole path components.
10185 (output_file_names): When adding a new directory find the one entry
10186 with the longest common prefix already in the list. Artificially
10187 generate entry if there is none for this prefix.
10188 Fix test to check whether the zeroth directory entry is used.
10190 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10192 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10193 Changed all callers. Take it into account when deciding if a
10194 previously loaded value matches.
10196 2001-01-24 Richard Henderson <rth@redhat.com>
10198 * reload.c (find_reloads_subreg_address): Fail the substitution
10199 if the resulting address is insufficiently aligned.
10201 2001-01-24 DJ Delorie <dj@redhat.com>
10203 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10204 check the original operand's mode also.
10205 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10207 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10209 * c-parse.in (cast_expr): Move compound literals from here ...
10210 (primary): ... to here. Use standard terminology "compound
10211 literal" instead of "constructor expression".
10213 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10215 * gcc.1, cpp.1: Regenerate.
10217 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10219 * calls.c (emit_library_call_value_1): Memory slot for
10220 pass-by-reference argument should have the mode of the argument,
10221 not of the pointer to it.
10223 2001-01-24 Tom Tromey <tromey@redhat.com>
10225 * gcc.texi (G++ and GCC): Mention gcj manual.
10226 (Standards): Link to section of manual mentioning gcj/Java
10229 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10231 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10232 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10233 * tradcpp.c (main): Add -imacros or -include'd dependencies
10235 * cpp.texi (-M, -MM): Document -M -include behaviour.
10237 2001-01-24 Roger Collins <roger@ProProject.com>
10239 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10241 2001-01-24 Will Cohen <wcohen@redhat.com>
10243 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10244 whether registers are 32 bits or 64 bits in size.
10246 2001-01-24 Ben Elliston <bje@redhat.com>
10248 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10250 2001-01-24 Richard Henderson <rth@redhat.com>
10252 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10253 (builtin_longjmp): Use it instead of emit_indirect_jump.
10255 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10257 * bb-reorder.c (make_reorder_chain_1): Handle case where
10258 jump edge goes to the same block as the fallthru edge.
10260 2001-01-23 Jim Wilson <wilson@redhat.com>
10262 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10263 * frame.h (__ia64_personality_v1): Add prototype.
10264 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10265 prototype form. Add void * cast to first argument to personality
10267 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10268 (asctoe113): Likewise.
10269 * config/ia64/frame-ia64.c: Include eh-common.h.
10270 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10272 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10274 (itanium_split_issue): Add prototype.
10275 (gen_nop_type): Ifdef out.
10276 (find_best_packet): Initialize best_packet.
10277 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10279 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10280 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10281 (flushrs): Add explicit stop bit at end.
10282 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10285 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10287 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10289 * libgcc2.c (__terminate_func): Make variable static.
10290 (__terminate_set_func): New function to set __terminate_func.
10291 * libgcc2.h (__terminate_func_ptr): New typedef.
10292 (__terminate_set_func): New function.
10294 2001-01-23 Richard Henderson <rth@redhat.com>
10296 * flow.c (init_propagate_block_info): Don't consider unchanging
10297 memories for dead frame store elimination.
10299 2001-01-23 Richard Henderson <rth@redhat.com>
10301 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10302 * defaults.h: ... here.
10304 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10306 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10308 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10310 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10312 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10314 * rs6000.h (rs6000_return_addr): Move prototype from here...
10315 * rs6000-protos.h (rs6000_return_addr): ...to here.
10316 (rs6000_init_expanders): Delete prototype.
10318 2001-01-23 Nick Clifton <nickc@redhat.com>
10320 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10321 (Spec Files): Document %B and %j and %. and %v3 and %M and
10322 %{S*&T} spec switches.
10324 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10326 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10328 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10329 Neil Booth <neil@daikokuya.demon.co.uk>
10331 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10332 Have -Werror make pedantic warnings errors, like the
10335 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10337 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10339 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10341 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10342 * integrate.c (expand_inline_function): Initialize them.
10343 (subst_constants): If changing COMPARE so that both its arguments
10344 will be VOIDmode and the comparison mode will be lost, note
10345 compare_mode. Use the recorded compare_mode to optimize
10348 2001-01-23 Jason Merrill <jason@redhat.com>
10350 * dwarf2out.c (new_die): Use xcalloc.
10351 (output_die): Abort rather than emit a local reference to offset 0.
10353 2001-01-17 Andrew Haley <aph@redhat.com>
10355 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10356 of a saved register; return NULL instead.
10357 (copy_reg): Take a pointer to a source register rather than a
10359 (next_stack_level): Remember the address in the stack frame of all
10361 Use the saved register pointer array as the source of the CFA.
10362 (throw_helper): Rewrite. Unwind once rather than twice and keep
10363 track of saved registers as we go.
10365 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10367 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10368 * c4x.c (c4x_legitimize_reload_address): Remove.
10369 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10370 reload address for ldp(k) insn.
10372 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10374 * pa.md (return_internal): Add a USE of the PIC register to ensure
10375 it is restored after each call.
10376 (return expander): Corresponding changes.
10378 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10380 * rs6000.h (INIT_EXPANDERS): Delete.
10381 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10382 * rs6000.c (rs6000_override_options): Call *_machine_status from
10384 (rs6000_init_expanders): ...instead of here. Delete.
10385 (rs6000_mark_machine_status): New function.
10386 (rs6000_init_machine_status): Use xcalloc.
10387 (rs6000_return_addr): Generate RTX for the return address.
10388 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10389 (rs6000_stack_info): Use it.
10391 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10393 * gthr-win32.h: Include errno.h to get a declaration for
10394 EINVAL and _mingw.h if the target is mingw32.
10396 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10398 * cpp.texi: Correct typos.
10400 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10402 * explow.c (probe_stack_range): Ensure value passed to
10403 stack_check_libfunc is ptr_mode, not Pmode.
10405 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10407 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10408 case, don't use operand_subword to calculate a SUBREG that is
10411 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10413 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10415 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10416 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10417 valid. If not replace it by equivalent insns.
10419 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10421 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10422 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10423 (c4x_U_constraint, symbolic_address_operand): Likewise.
10424 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10426 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10427 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10428 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10429 anulling slot because of silicon bug.
10430 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10432 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10434 * cppexp.c (parse_charconst): Change `mask' type to agree
10437 2001-01-21 Richard Henderson <rth@redhat.com>
10439 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10440 pic_label_name in a linkonce section.
10442 2001-01-17 Philipp Thomas <pthomas@suse.de>
10444 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10446 * configure: Regenerate.
10448 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10450 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10451 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10453 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10455 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10456 If REVERSE nonzero then condition code in X must be reversed.
10457 (encode_section_info): Optimise if/else.
10458 (avr_function_value): Fix formatting.
10460 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10461 (difficult_branch): Likewise.
10462 (rvbranch): Likewise.
10463 (difficult_rvbranch): Likewise.
10465 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10467 * config/avr/libgcc.S: Fix comment.
10469 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10471 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10473 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10475 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10477 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10479 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10480 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10481 * configure, config.in: Regenerate.
10482 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10483 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10484 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10485 (doprint.o): New rule.
10487 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10489 * c-typeck.c (digest_init): Handle boolean types as scalars.
10491 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10493 * stmt.c (expand_return): Don't return anything if size is zero.
10494 Delete redundant assignment to BYTES.
10495 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10497 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10499 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10500 the same as the default library function names.
10501 * config/avr/avr.md: Document special characters after '%'.
10502 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10503 knowing which of the call-used registers are really clobbered.
10504 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10505 New. Both quotient and remainder from one libgcc.S call.
10506 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10507 clobber as few registers as possible.
10508 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10510 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10512 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10513 context of the top of the stack.
10515 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10517 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10518 (fixup_var_refs_insns): ...here.
10520 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10522 * function.c (fixup_var_refs_insns): Break up into
10523 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10524 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10525 [loop over hash table entries].
10526 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10527 fixup_var_refs_insns_with_hash, to match above changes.
10529 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10531 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10532 (libgcc.a): Likewise.
10533 (stmp-multilib): Likewise.
10534 (STAGE2_FLAGS_TO_PASS): Likewise.
10536 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10538 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10539 temporary if no_new_pseudos.
10541 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10543 * cppinternals.texi: Update.
10545 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10547 * arm.c (arm_init_builtins): Re-enable builtins.
10549 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10551 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10552 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10553 element to be null, and always expect an EXPR_LIST.
10554 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10555 * sched-deps.c (sched_analyze_1): Likewise.
10556 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10558 * regclass.c (max_set_parallel): New variable.
10559 (reg_scan): Take it into account in computation of max_parallel.
10560 (reg_scan_mark_refs, case SET): Compute it.
10562 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10564 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10565 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10567 2001-01-19 Jason Merrill <jason@redhat.com>
10569 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10570 for the abstract instance of an inline function.
10572 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10573 J"orn Rennecke <amylaar@redhat.com>
10575 * reload1.c (move2add_note_store): Treat all registers directly or
10576 indirectly derived from a base register as members of the same set
10578 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10579 of base register into account.
10581 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10583 * alias.c (find_base_value): Recognize TRUNCATE.
10584 (record_set): In PLUS case, invalidate if other summand is also a
10587 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10589 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10590 entry to be EXPR_LIST.
10591 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10592 be an EXPR_LIST (but not null, which other code doesn't allow).
10593 (note_stores): Properly handle PARALLEL in SET.
10594 Recursively call for top-level PARALLEL.
10595 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10596 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10598 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10600 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10602 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10603 not pfile->skipping (== 0).
10605 2001-01-17 Nick Clifton <nickc@redhat.com>
10607 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10610 2001-01-17 Jim Wilson <wilson@redhat.com>
10612 * invoke.texi (IA-64 options): Improve.
10614 2001-01-17 Tom Tromey <tromey@redhat.com>
10616 * invoke.texi (Optimize Options): Use `{}' to around @samp
10619 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10621 * invoke.texi (-fno-guess-branch-probability): New option.
10623 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10625 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10626 case of making new double-word constant.
10627 Revert last change: instead just test i3_subst_into_i2.
10629 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10631 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10632 Use q constraints instead of r.
10634 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10636 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10637 (machine_function): Define.
10638 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10639 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10640 pa_free_machine_status): New functions.
10641 (override_options): Set {init,mark,free}_machine_status to above.
10642 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10643 PIC_OFFSET_TABLE_REGNUM_SAVED.
10644 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10645 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10646 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10647 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10648 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10650 2001-01-15 DJ Delorie <dj@redhat.com>
10652 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10656 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10658 * flow.c (propagate_one_insn): Make trying to delete a prologue
10659 or epilogue insn an ICE, not a warning. Allow doing this if
10660 the current function returns with stack pointer depressed.
10662 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10663 I3 having more than one SET.
10665 2001-01-16 Jim Wilson <wilson@redhat.com>
10667 * invoke.texi: Document IA-64 options.
10669 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10670 (fixup_errata): Delete TARGET_A_STEP use.
10671 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10672 (TARGET_SWITCHES): Delete -ma-step option.
10673 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10674 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10675 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10676 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10677 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10678 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10680 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10681 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10682 cmovsi_internal): Delete ! TARGET_A_STEP check.
10684 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10686 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10687 possibility to report bugs via postal mail. Change a URL and
10688 merge in a nearly duplicate statement...
10689 (Bug Reporting): ...from here.
10690 (Service): Refer to the Bug Reporting section instead of
10691 duplicating an URL.
10692 (Contributing): Remove trivial explanations concerning snapshots.
10694 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10696 * cppmain.c (general_init): Don't use ANSI prototype.
10698 2001-01-16 Tom Tromey <tromey@redhat.com>
10700 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10702 2001-01-16 Richard Henderson <rth@redhat.com>
10704 * config/i386/i386.h: Fix comment typo.
10705 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10706 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10708 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10710 * gcc.c: Revert previous -fsyntax-only-related change; move
10713 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10715 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10716 inmode after checking GET_CODE (op).
10718 2001-01-16 Richard Henderson <rth@redhat.com>
10720 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10721 (MAX_MEM_SET_LIST_LEN): New.
10722 (propagate_one_insn): Update mem_set_list_len.
10723 (invalidate_mems_from_autoinc): Likewise.
10724 (invalidate_mems_from_set): Likewise.
10725 (mark_used_regs): Likewise.
10726 (init_propagate_block_info): Likewise. Stop collecting memories
10727 when we reach MAX_MEM_SET_LIST_LEN.
10728 (mark_set_1): Likewise.
10730 2001-01-16 Richard Henderson <rth@redhat.com>
10732 * unroll.c (precondition_loop_p): Fail if no iteration
10735 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10737 * gcc.c: When -fsyntax-only is given, do not complain about
10740 2001-01-15 Richard Henderson <rth@redhat.com>
10742 * config/i386/i386.c (asm_output_function_prefix): Remove.
10743 (ix86_asm_file_end): New.
10744 (load_pic_register): Generate pic_label_name into a
10745 staticly allocated buffer.
10746 * config/i386/i386-protos.h: Update.
10747 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10748 (ASM_FILE_END): New.
10749 * config/i386/i386afe.h: New file.
10750 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10751 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10752 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10753 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10754 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10755 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10756 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10758 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10760 * Makefile.in (install-man): Remove explicit dependency on
10763 * configure.in, configure: Revert previous patch requiring perl
10766 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10768 * toplev.c (flag_guess_branch_prob): New.
10769 (f_options): Add guess-branch-probability option.
10770 (rest_of_decl_compilation): Only estimate branch probability if
10772 (main): set flag_guess_branch_prob.
10774 * flags.h (flag_guess_branch_prob): New.
10776 2001-01-15 DJ Delorie <dj@redhat.com>
10778 * gcc.texi (Makefile): Add documentation for Makefile targets.
10780 2001-01-15 Philip Blundell <philb@gnu.org>
10782 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10784 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10785 (is_pic): Delete declaration.
10786 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10787 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10788 * config/arm/arm.md (builtin_setjmp_receiver): New.
10790 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10792 * arm.c (use_return_insn): Don't try to determine the function type
10793 until after reload has completed.
10794 (arm_output_epilogue): Don't adjust the sp value recovered from the
10796 (emit_multi_reg_push): Don't record dwarf information for the pc.
10797 * arm.md (eh_epilogue): The function type may have changed, so it
10798 needs to be recalculated.
10799 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10800 unwind tables on arm/netbsd.
10802 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10804 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10805 (negated_cbranchsi4): Likewise.
10807 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10809 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10810 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10811 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10812 pass -mapcs-* options to assembler.
10813 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10814 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10815 (ASM_SPEC): Call subtarget_extra_asm_spec.
10817 2001-01-15 Andreas Jaeger <aj@suse.de>
10819 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10821 (ix86_expand_builtin): Likewise.
10823 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10824 warning about comparison between signed and unsigned.
10826 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10828 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10830 2001-01-14 Ralf Baechle <ralf@gnu.org>
10832 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10833 SUBTARGET_CPP_SPEC apropriatly.
10835 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10837 * varasm.c (make_decl_rtl): Fix typo in last change.
10839 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10841 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10842 linker supports the init_priority C++ attribute.
10843 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10844 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10845 linker does not support init_priority C++ attribute.
10847 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10849 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10851 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10853 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10854 * cp/lex.c (finish_parse): Similarly.
10855 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10856 Return the number of errors encountered.
10857 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10858 * cppmain.c (main): Don't call cpp_destroy.
10860 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10862 * configure.in: Require at least perl 5.6.0 to regenerate
10864 * configure: Regenerate.
10866 2001-01-14 Richard Henderson <rth@redhat.com>
10868 * genrecog.c (DT_veclen_ge): New.
10869 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10870 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10871 (nodes_identical_1): Handle DT_veclen_ge.
10872 (write_cond, debug_decision_2): Likewise.
10874 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10876 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10878 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10880 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10882 * cppmain.c (do_preprocessing): New function; most of the old
10884 (main): Call it to do most of the work.
10885 (cb): Move from global scope to set_callbacks ().
10886 (setup_callbacks): Get the callback pointer.
10887 (general_init, printer_init): Clean up code and comments.
10889 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10891 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10894 2001-01-14 Kazu Hirata <kazu@hxi.com>
10896 * config/h8300/h8300.c (get_shift_alg): Update comments.
10898 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10900 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10901 (alloc_page, ggc_alloc): Add casts to remove warnings.
10903 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10905 * combine.c (simplify_comparison): Don't change `code' when
10906 can't reverse comparison.
10908 2001-01-14 Richard Henderson <rth@redhat.com>
10910 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10911 update all call sites. Return true for all non-label constants.
10913 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10915 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10917 (ix86_expand_branch): Update.
10918 (ix86_expand_setcc): Update to handle multiple test conditions.
10919 (expand_int_movcc): Likewise.
10920 (expand_fp_movcc): Likewise.
10921 * i386-protos.h (ix86_expand_compare): New.
10922 * i386.md (andqi_?_slp, orqi_?_slp): New.
10923 (conditional trap expander): Update call to ix86_expand_compare.
10925 2001-01-14 Richard Henderson <rth@redhat.com>
10927 * config/vax/vax.md: Use nonimmediate_operand instead of
10928 general_operand in destinations.
10930 * config/vax/vax.md (indirect_jump): Use register_operand.
10932 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10933 * config/vax/vax.md (call_pop): Turn into an expander.
10934 (call_value_pop): Likewise.
10935 (call, call_value): New.
10937 2001-01-14 Andreas Jaeger <aj@suse.de>
10939 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10941 (ix86_fp_compare_mode): Add unused attribute.
10942 (ix86_expand_fp_movcc): Remove unused variable.
10943 (ix86_expand_builtin): Make fcode unsigned.
10945 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10946 (expand_expr): Add cast to avoid signed warning.
10947 (store_field): Likewise.
10948 (store_constructor_field): Likewise.
10949 (store_constructor): Likewise.
10950 (store_expr): Likewise.
10951 (clear_storage): Likewise.
10952 (emit_group_store): Likewise.
10953 (emit_group_load): Likewise.
10955 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10957 * c-common.c: Move format checking code to ...
10958 * c-format.c: ... here. New file. Reorder some functions and
10960 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10962 * c-common.h (decl_handle_format_attribute,
10963 decl_handle_format_arg_attribute): Declare.
10964 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10965 (c-common.o): Adjust dependencies.
10966 (c-format.o): New list of dependencies.
10968 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10970 * unroll.c (loop_iterations): If we cannot prove iteration variable
10971 is set once in each iteration, punt.
10973 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10975 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10976 (*strlenhi): Remove clobber (which was buggy) of output address.
10978 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10980 * Makefile.in (generated-manpages): Add gcc.1
10981 ($(srcdir)/gcc.1): New target.
10982 (maintainer-clean): Delete $(srcdir)/gcc.1.
10983 * gcc.texi: Add macros @gccoptlist and @gol.
10984 * invoke.texi: Include option summary in manpage. Mark up option
10985 summary with @gccoptlist and @gol. Use @r in one place where
10987 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10988 * gcc.1: Generate from invoke.texi.
10990 2001-01-13 Richard Henderson <rth@redhat.com>
10992 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10993 (struct page_entry): Add group member.
10994 (struct page_group): New.
10995 (struct globals): Add page_groups member.
10996 (alloc_anon): Only define for using mmap; remove valloc call.
10997 (page_group_index): New.
10998 (set_page_group_in_use): New.
10999 (clear_page_group_in_use): New.
11000 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11001 (free_page, release_pages): Likewise.
11002 * configure.in (with-gc): Default to ggc-page always.
11004 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11006 * reload1.c (replace_pseudos_in_call_usage): Use
11007 reg_equiv_constant and reg_equiv_address, and don't try
11008 regno_reg_rtx first.
11010 2001-01-13 Richard Henderson <rth@redhat.com>
11012 * ggc-page.c (alloc_page): Round up allocation size to one page.
11013 Set e->order on extra pages.
11015 2001-01-13 Richard Henderson <rth@redhat.com>
11017 * genrecog.c (nodes_identical): Expand commentary.
11018 (write_switch): Watch out for identical nodes.
11020 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11022 * cppfiles.c (_cpp_fake_include): New function.
11023 * cpphash.h (_cpp_fake_include): New.
11024 * cpplib.c (do_line): Call _cpp_fake_include when entering
11025 header files in preprocessed input.
11026 * cppmain.c (cb_pragma_implementation): Remove handling.
11027 (setup_callbacks): Don't register pragmas.
11029 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11031 * extend.texi: Udate for CPP.
11033 2001-01-13 Andreas Jaeger <aj@suse.de>
11035 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11037 * regmove.c: Add prototype for replace_in_call_usage.
11039 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11041 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11042 struct cpp_chunk, struct htab, struct toklist,
11043 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11044 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11045 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11046 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11047 (struct macro_args): Delete.
11048 * cpphash.h: See above.
11050 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11052 * cppmain.c (struct printer): Remove no_line_dirs.
11053 (options, cb): New.
11054 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11055 : Use options rather than CPP_OPTION.
11056 (setup_callbacks): Use cb rather than pfile->cb.
11057 (main): No need to check for a buffer. Use cpp_errors.
11058 (printer_init): Don't set no_line_dirs.
11059 (maybe_print_line): Use options not no_line_dirs.
11060 (cb_file_change): Don't call print_line if -P.
11062 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11064 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11066 * c-parse.in (finish_parse): Use cpp_errors.
11067 (__yylex): Use return value of cpp_pop_buffer.
11068 * cp/lex.c (finish_parse): Use cpp_errors.
11069 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11071 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11073 * README.AVR: URLs corrected.
11075 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11077 * c-decl.c (start_function): Don't warn if old prototype is builtin
11078 that's not in C's namespace.
11079 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11080 (_bb): Add prototype for ctime.
11081 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11083 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11085 * i386.c (ix86_fp_comparison_arithmetics_cost,
11086 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11087 ix86_fp_comparison_cost): New functions.
11088 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11089 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11090 two-branch sequences; make static.
11091 (ix86_use_fcomi_compare): Do decision according to the costs.
11092 (split_fp_branch): New.
11093 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11094 * i386-protos.h (ix86_expand_fp_compare): Remove
11095 (ix86_split_fp_branch): Declare.
11097 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11098 and ix86_comparison_operator.
11100 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11101 to make it cheaper.
11103 * i386.c (put_condition_code): Output properly the unordered/ordered
11104 compares in fp case.
11105 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11107 * tm.texi (REVERSE_CONDITION): Document.
11108 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11109 in -ffast-math mode.
11110 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11112 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11114 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11116 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11119 * config/sh/sh.c (mova_p): Fix test for mova_const.
11121 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11123 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11124 cpp_get_options rather than dereferencing pfile and using
11126 * scan-decls.c (scan_decls): Use return value of
11127 cpp_pop_buffer rather than CPP_BUFFER.
11129 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11131 * cppinit.c (cpp_handle_option): help_only is now part of the
11132 cpp_options structure.
11133 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11134 cpp_set_callbacks): New functions.
11135 * cpplib.h (cpp_callbacks): Break out as a named structure.
11136 (cpp_options): Move help_only here from cpp_reader.
11137 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11138 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11139 cpp_set_callbacks): New prototypes.
11140 * cppmain.c (main): Update for help_only.
11142 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11144 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11145 Also build and remove and install and uninstall c-tree.info and
11147 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11148 ($(srcdir)/cppinternals.info): New target.
11149 * c-tree.texi: Change file name used when makeinfo used without -o
11150 from ir.info to c-tree.info. Add info directory entry.
11151 * cppinternals.texi: Add info directory entry.
11152 * .cvsignore: Update.
11154 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11156 * c-typeck.c (store_init_value): Don't require constant initializer
11157 elements with -pedantic -std=c99.
11158 (digest_init): Change error about non-constant initializer elements
11160 (constructor_range_end): Remove.
11161 (constructor_incremental, designator_depth,
11162 designator_errorneous): New variables.
11163 (struct constructor_stack): Remove range_end, add incremental.
11164 (struct constructor_range_stack, constructor_range_stack): New.
11165 (struct initializer_stack): Add constructor_range_stack.
11166 (finish_init): Set it.
11167 (start_init): Likewise. require_constant_elements for non-static
11168 trees only if not flag_isoc99.
11169 (really_start_incremental_init): Remove constructor_range_end, add
11170 constructor_incremental.
11171 (pop_init_level): Likewise.
11172 (push_init_level): Likewise. If implicit and the subobject had some
11173 value set already, preinitialize the level with it.
11174 Warn about missing braces only if not pushing due to designators.
11175 (set_designator, push_range_stack): New functions.
11176 (set_init_label): Use them.
11177 (set_init_index): Likewise. Remove constructor_range_end.
11178 Error if designator index is outside of array bounds.
11179 (add_pending_init): Compare values of purpose index trees, not the
11180 trees themselves. Allow overwriting of already initialized element.
11181 Issue a warning if it had side-effects.
11182 (set_nonincremental_init, set_nonincremental_init_from_string): New
11184 (pending_init_member): Rename to...
11185 (find_init_member): ...this function. Call set_nonincremental_init
11186 if necessary. Compare values of purpose index trees, not the trees
11187 themselves. Return the actual value, not just non-zero if something
11189 (output_init_element): Remove checks for duplicates.
11190 If field has zero size, only check the initializer for correctness.
11191 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11192 if constructor_incremental is zero. Change error about initializers
11193 not computable at load time into pedwarn.
11194 (output_pending_init_elements): Compare bit positions, not
11195 FIELD_DECLs to take into account zero-sized fields.
11196 (process_init_element): Use constructor_range_stack to fill all
11197 ranges in the designator lists from current level up.
11198 * extend.texi: Update documentation for labeled elements.
11200 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11202 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11203 to function usage for arguments passed by reference. Optimize
11204 callee-copied arguments.
11205 * regmove.c (replace_in_call_usage): New function.
11206 (fixup_match_1): Call it.
11207 * cse.c (cse_insn): Canonicalize registers in function usage.
11208 * reload1.c (replace_pseudos_in_call_usage): New function.
11211 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11214 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11216 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11219 2001-01-12 DJ Delorie <dj@redhat.com>
11221 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11222 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11225 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11227 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11228 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11229 -std options alongside references to -ansi. Update some
11230 documentation for C99.
11231 * cpp.1: Regenerate.
11233 2001-01-12 Andreas Jaeger <aj@suse.de>
11235 * haifa-sched.c (restore_line_notes): Remove argument block B
11237 * sched-ebb.c (schedule_ebb): Change caller.
11238 * sched-rgn.c (schedule_region): Likewise.
11239 * sched-int.h (restore_line_notes): Adjust prototype.
11241 * loop.h: Remove wrong declaration of doloop_condition_get.
11243 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11245 * extend.texi: Move C++-extension-related node from the C section
11246 into the C++ section.
11248 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11250 * extend.texi: Refer to an array of pointers to functions instead
11251 of one of functions.
11253 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11254 Jan Hubicka <jh@suse.cz>
11256 * combine.c (reversed_comparison): Fix typo in last patch.
11258 (combine_reversed_comparison_code): Make static to follow
11259 prototype declaration.
11261 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11263 * install.texi: Remove misplaced duplicate entry.
11265 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11267 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11269 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11271 * final.c: (leaf_function_p): Fix typo.
11273 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11275 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11276 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11278 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11279 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11280 mmap_anon, and valloc is available.
11281 * ggc-page.c: Restructure ifdef logic to match new autoconf
11282 spec. Don't throw away the test page in init_ggc.
11284 * configure, config.in: Regenerate.
11286 2001-01-12 Michael Hayes <mhayes@redhat.com>
11288 * loop.h (total_biv_increment): Constify iv_class pointer.
11289 (struct induction): Replace `mem_mode' with `mem' rtx.
11290 * unroll.c (total_biv_increment): Constify iv_class pointer.
11291 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11292 (find_mem_givs, combine_givs_p): Likewise.
11293 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11295 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11297 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11299 (__gthread_getspecific): Ditto.
11301 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11303 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11304 put_condition_code): Convert fp comparison codes to integer
11306 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11309 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11310 * i386-protos.h (no_comparison_operator): Kill.
11312 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11314 * combine.c (REVERSIBLE_CC_MODE): Remove.
11315 (reversible_comparison_p): Remove.
11316 (combine_reversed_comparison_code): New.
11317 (reversed_comparison): New.
11318 (combine_simplify_rtx): Use
11319 combine_reversed_comparison_code/reversed_comparison instead
11320 of reversible_comparison_p.
11321 (simplify_if_then_else): Likewise.
11322 (simplify_set): Likewise.
11323 (simplify_logical): Likewise.
11324 (if_then_else_cond): Likewise.
11325 (known_cond): Likewise.
11326 (simplify_comparison): Likewise.
11328 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11330 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11331 sizeof (int) is larger than sizeof(__word__).
11333 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11335 * cppinit.c (do_includes): Fix typo.
11337 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11339 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11340 in S_REGS does not occur because not all sources are possible
11341 when a S_REGS is a destination (sometimes needs a clobber).
11342 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11343 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11344 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11345 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11346 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11347 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11348 (lshrdi_const1, lshrsi3_const16): Likewise.
11349 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11350 (*movhi_68hc12, *movqi_68hc12): Likewise.
11351 (movstrictqi): Make sure reloading in D_REGS as a destination
11354 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11356 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11358 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11360 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11361 -D, -U and -A, and don't initialize the builtins.
11362 (do_includes): Error if -include or -imacros with -fpreprocessed.
11363 * cppmain.c (cb_define, cb_undef): Unconditionally process
11365 * tradcpp.c (main): Fix typo.
11367 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11369 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11370 (read_name_map): Use IS_ABSOLUTE_PATH.
11371 * tradcpp.c (get_filename): Likewise.
11373 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11375 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11376 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11377 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11378 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11379 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11380 (cmphi_z_used): Don't use '@' for the output.
11381 (tstqi_z_used): Likewise.
11382 (cmpqi_z_used): Likewise.
11383 (one_cmplsi2): Likewise.
11385 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11387 * config/sh/sh.c (barrier_align): Recognize branch around far
11388 branch and redundant insn.
11390 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11392 * invoke.texi: Restore documentation of the drivers' switches -MD
11395 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11397 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11399 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11400 check-objc//%): Support parallel testing of multilibs.
11401 (TESTSUITEDIR): Set to testsuite by default, but override for
11403 (check-gcc, check-g++, check-g77, check-objc): Enter
11406 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11408 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11409 * sched-deps.c (deps_may_trap_p): Likewise.
11410 * basic-block.h: Remove a comment.
11411 * flow.c (PROP_POSTRELOAD): Remove.
11412 (update_life_info): Don't add it to prop_flags.
11413 (mark_set_1): Lose the code that was enabled by it.
11415 2001-01-11 Michael Hayes <mhayes@redhat.com>
11417 * flow.c (flow_call_edges_add): New.
11418 * basic_block.h (flow_call_edges_add): New.
11420 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11422 * reload1.c (move2add_note_store): Update reg_set_luid even if
11423 base reg remains the same.
11425 2001-01-10 Nick Clifton <nickc@redhat.com>
11427 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11428 machine_function structure to zero.
11429 Add prototypes for machine_status functions.
11431 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11433 * c-common.h (CTI_VOID_LIST): Remove.
11434 (void_list_node): Likewise.
11435 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11436 (void_list_node): New macro.
11437 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11438 * config/i386/i386.c (ix86_init_builtins): Likewise.
11439 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11441 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11443 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11444 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11446 * tradcpp.c: Include mkdeps.h.
11447 (deps, print_deps_phony_targets, deps_append, output_deps,
11448 init_dependency_output, output_deps): New.
11449 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11450 deps_output): Delete.
11451 (print_deps_missing_files): Rename deps_missing_files.
11452 (inhibit_output): Make global.
11453 (main): Delete inhibit_output, deps_stream, deps_target.
11454 Use mkdeps functionality in the same way as cpplib. Remove
11455 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11456 -M and -MM. Remove old handling of deps via deps_out, and
11457 old reading of environment variables.
11458 (get_filename): Update to use deps_add_dep.
11460 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11462 * output.h (make_function_rtl): Remove prototype.
11463 (make_decl_rtl): Likewise.
11464 * varasm.c (make_function_rtl): Remove.
11465 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11466 than from a third parameter.
11467 * tree.h (make_decl_rtl): Remove last parameter.
11468 * c-decl.c (builtin_function): Remove last argument in call to
11469 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11470 (start_function): Likewise.
11471 * except.c (call_get_eh_context): Likewise.
11472 * expr.c (emit_block_move): Likewise.
11473 (clear_storage): Likewise.
11474 * profile.c (output_func_start_profiler): Likewise.
11475 * toplev.c (rest_of_decl_compilation): Likewise.
11476 * objc/objc-act.c (create_builtin_decl): Likewise.
11477 (synth_module_prologue): Likewise.
11478 (generate_static_reference): Likewise.
11479 (build_selector_reference_decl): Likewise.
11480 (build_class_reference_decl): Likewise.
11481 (build_objc_string_decl): Likewise.
11482 (build_protocol_reference): Likewise.
11484 2001-01-10 Richard Henderson <rth@redhat.com>
11486 * hwint.h: Revert yesterday's change.
11488 2001-01-10 Nick Clifton <nickc@redhat.com>
11490 * function.h (save_machine_status): Delete.
11491 (restore_machine_status): Delete.
11492 Amend comment describing {init|mark|free}_machine_status.
11494 * function.c (save_machine_status): Delete.
11495 (restore_machine_status): Delete.
11496 Amend comment describing {init|mark|free}_machine_status.
11497 (push_function_context_to): Remove invocation of
11498 save_machine_status.
11499 (pop_function_context_from): Remove invocation of
11500 restore_machine_status.
11502 * emit-rtl.c (init_emit_once): Amend comment describing
11503 {init|mark|free}_machine_status.
11505 * tm.texi (Per-Function Data): New node. Describe the
11506 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11509 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11511 * cppinit.c (OPT_g): Remove.
11512 (cpp_handle_option): Update for removed -g3.
11513 (print_help): Update.
11514 * cpplib.h (struct cpp_options): Remove debug_output.
11515 * cppmain.c (setup_callbacks, cb_define): Update.
11516 * gcc.c (cpp_options): Translate -g3 to -dD.
11518 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11520 * config/i960/i960.md: Change modifier to + on the zero_extract
11521 pattern after the (rotate -2 reg) canonicalization pattern.
11523 2001-01-10 Richard Henderson <rth@redhat.com>
11525 * config/alpha/alpha.c (alpha_free_machine_status): New.
11526 (override_options): Install it.
11527 (alpha_mark_machine_status): Verify machine non-null.
11528 * config/i386/i386.c (ix86_free_machine_status): New.
11529 (override_options): Install it.
11530 (ix86_init_machine_status): Use xcalloc.
11531 (ix86_mark_machine_status): Verify machine non-null.
11532 * config/ia64/ia64.c (ia64_free_machine_status): New.
11533 (ia64_override_options): Install it.
11534 (ia64_mark_machine_status): Verify machine non-null.
11536 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11538 * function.c (instantiate_virtual_regs): Instantiate virtual
11539 registers found in CALL_INSN_FUNCTION_USAGE.
11541 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11543 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11544 equivalent to -ansi in disabling -Di386.
11546 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11548 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11550 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11552 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11554 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11556 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11558 * invoke.texi: Document that -fcond-mismatch isn't supported for
11561 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11563 * gcc.texi: Define macro gcctabopt.
11564 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11565 @command, @env and @option in some places where appropriate. Use
11566 @gcctabopt where appropriate. Put URLs and email addresses inside
11569 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11571 * gcc.c (cpp_options): Set MD file name from output
11572 filename, if specified.
11573 (suffix_subst): New static variable.
11574 (do_spec): Clear it.
11575 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11577 (give_switch): Handle suffix_subst.
11579 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11581 * invoke.texi: Fix another typo.
11583 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11585 * invoke.texi: Fix typo.
11587 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11589 * c-lang.c (lang_hooks): Update.
11590 (lang_decode_option): Remove.
11591 (lang_init_options): Rename c_init_options.
11592 * toplev.c (main): Use lang_hooks for lang_init_options
11593 and lang_decode_option.
11594 * toplev.h (lang_hooks): Add 2 new hooks.
11595 * tree.h: Remove lang_init_options and lang_decode_option.
11596 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11597 * cp/decl2.c: Similarly.
11598 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11599 (lang_hooks): Update.
11600 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11602 (lang_init_options): Rename ffe_init_options.
11603 (lang_hooks): Update.
11604 (lang_decode_option): Remove.
11605 * java/lang.c (lang_init_options): Rename java_init_options.
11606 (lang_decode_option): Rename java_decode_option.
11607 (lang_hooks): Update.
11608 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11609 (lang_decode_option): Rename objc_decode_option.
11610 (lang_hooks): Update.
11612 2001-01-09 Nick Clifton <nickc@redhat.com>
11614 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11615 (d30v_return_addr_rtx): Delete.
11616 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11617 cfun->machine structure.
11618 (struct machine_function): Move to d30v.h
11619 (d30v_save_machine_status): Delete.
11620 (d30v_restore_machine_status): Delete.
11621 (d30v_init_machine_status): New Function.
11622 (d30v_mark_machine_status): New Function.
11623 (d30v_free_machine_status): New Function.
11624 (d30v_init_expanders): Use new functions.
11625 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11626 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11627 d30v_return_addr_rtx.
11629 * config/d30v/d30v.h (struct_machine): Move here.
11630 Add eh_epilogue_sp_ofs field.
11632 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11633 field in cfun->machine structure.
11635 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11637 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11638 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11639 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11641 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11643 * objc/lang-options.h: Remove bogus reference to
11646 2001-01-09 Kazu Hirata <kazu@hxi.com>
11648 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11651 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11653 * reload.c (find_reloads_address): Check for eliminable registers
11654 when substituting a constant expression for a pseudo.
11656 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11658 * c-common.c (enum format_type): Add format_type_error.
11659 (decode_format_type): New function.
11660 (decl_attributes): Use it.
11661 (format_kind_info): Adjust comment.
11663 2001-01-09 David O'Brien <obrien@BSDi.com>
11665 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11666 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11668 * config/i386/gnu.h: Don't include required platform specific .h files,
11669 tm.h will do it instead.
11670 * config/i386/i386elf.h: Likewise.
11671 * config/i386/linux.h: Likewise.
11672 * config/i386/moss.h: Likewise.
11673 * config/mips/gnu.h: Likewise.
11675 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11677 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11678 (rs6000-ibm-aix3.[01]*): Likewise.
11679 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11680 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11681 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11682 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11683 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11684 (powerpc-*-eabiaix*): Likewise.
11685 (powerpc-*-eabisim*): Likewise.
11686 (powerpc-*-elf*): Likewise.
11687 (powerpc-*-eabi*): Likewise.
11688 (powerpc-*-rtems*): Likewise.
11689 (powerpc-*-linux*libc1): Likewise.
11690 (powerpc-*-linux*): Likewise.
11691 (powerpc-wrs-vxworks*): Likewise.
11692 (powerpcle-wrs-vxworks*): Likewise.
11693 (powerpcle-*-sysv*): Likewise.
11694 (powerpcle-*-elf*): Likewise.
11695 (powerpcle-*-eabisim*): Likewise.
11696 (powerpcle-*-eabi*): Likewise.
11697 (powerpcle-*-solaris2*): Likewise.
11698 * config/rs6000/aix31.h: Delete includes.
11699 * config/rs6000/aix3newas.h: Likewise.
11700 * config/rs6000/aix41.h: Likewise.
11701 * config/rs6000/aix43.h: Likewise.
11702 * config/rs6000/beos.h: Likewise.
11703 * config/rs6000/rtems.h: Likewise.
11704 * config/rs6000/sysv4.h: Likewise.
11706 2001-01-09 Kazu Hirata <kazu@hxi.com>
11708 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11709 Change an argument mode of machine_mode to shift_mode of
11710 shift_mode. Remove an extra error check.
11711 (emit_a_shift): Adopt to the new calling prototype of
11713 (function_prologue): Fix code for a monitor
11714 function. Support H8/S.
11715 (function_epilogue): Do not output pop for a monitor function.
11717 2001-01-09 Nick Clifton <nickc@redhat.com>
11719 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11720 (setup_incoming_varargs): Use sysv_varargs_p field of the
11721 cfun->machine structure.
11722 (struct machine_function): Move to rs6000.h
11723 (rs6000_save_machine_status): Delete.
11724 (rs6000_restore_machine_status): Delete.
11725 (rs6000_init_machine_status): New Function.
11726 (rs6000_free_machine_status): New Function.
11727 (rs6000_init_expanders): Use new functions.
11729 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11731 (struct machine_function): Move here.
11733 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11734 sysv_varargs_p field of the cfun->machine structure.
11736 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11738 (rs6000_restore_machine_status): Remove prototype.
11740 2001-01-09 Richard Henderson <rth@redhat.com>
11742 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11743 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11744 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11745 (sched_analyze_2, sched_analyze_insn): Likewise.
11746 (sched_analyze, init_deps): Likewise.
11747 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11748 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11749 (compute_block_backward_dependences): Update propagate_deps call.
11751 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11753 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11755 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11757 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11758 (cpp_handle_option): Handle them.
11759 (cpp_post_options): Ensure one of -M or -MM is specified with
11760 any other -M? option.
11761 (init_dependency_output): Suppress output with -MG.
11763 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11765 * cpp.texi: Update.
11766 * invoke.texi: Update.
11768 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11770 * sh.md (reload_outsf): Generate recognizable patterns for
11773 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11775 * c-lang.c (lang_hooks): Update.
11776 (lang_init): Rename c_init.
11777 (lang_finish): Remove.
11778 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11779 and lang_finish ().
11780 * toplev.h (lang_hooks): Add init () and finish ().
11781 * tree.h (lang_init, lang_finish): Remove.
11782 * cp/tree.h (lang_init, lang_finish): Remove.
11783 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11784 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11786 (lang_init, lang_finish): Remove.
11787 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11788 (lang_hooks): Update.
11789 * java/lang.c (lang_init): Rename java_init.
11790 (lang_finish): Remove.
11791 (lang_hooks): Update.
11792 * objc/objc-act.c (lang_init): Rename objc_init.
11793 (lang_finish): Remove.
11794 (lang_hoooks): Update.
11796 20001-01-09 Graham Stott <grahams@redhat.com>
11798 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11799 after `ptr` is initialised.
11801 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11803 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11804 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11805 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11806 stack adjusts, instead of r3.
11808 2001-01-09 Michael Hayes <mhayes@redhat.com>
11810 * flow.c (flow_loop_scan): Break out of ...
11811 (flow_loops_find) ... here.
11812 * basic-block.h (flow_loop_scan): New.
11813 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11814 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11816 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11818 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11820 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11821 realloc()ing macro_buffer.
11823 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11824 if it's wider than long and the target's long is wider than the
11827 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11829 Remove support for using UWIN as a host machine.
11830 * configure.in: Issue an error message.
11831 * configure: Regenerated.
11832 * config.gcc: Remove xm_* UWIN configury.
11833 * config/i386/xm-uwin.h: Remove.
11835 2001-01-08 Nick Clifton <nickc@redhat.com>
11837 * config/v850/v850.c (ra_rtx): Delete.
11838 (v850_save_machine_status): Delete.
11839 (v850_restore_machine_status): Delete.
11840 (v850_init_machine_status): New function.
11841 (v850_mark_machine_status): New function.
11842 (v850_free_machine_status): New function.
11843 (v850_return_addr): Use ra_rtx field in machine structure.
11844 (v850_init_expanders): Use new functions.
11846 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11847 * config/v850/v850.c: Change arguments to v850_output+* functions
11848 to take a const char *, to avoid compile time warning.
11849 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11850 (USER_LABEL_PREFIX): Redefine.
11852 2000-01-08 Jim Wilson <wilson@redhat.com>
11854 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11855 1 to unsigned HOST_WIDE_INT before left shift.
11857 2001-01-08 Nick Clifton <nickc@redhat.com>
11859 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11860 the machine structure has been allocated.
11861 (arm_free_machine_status): New function: Free the machine
11862 specific function structure.
11864 2001-01-08 Richard Henderson <rth@redhat.com>
11866 * jump.c (simplejump_p): Revert last change.
11868 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11870 * cppinit.c (init): Rename init_library.
11871 (cpp_create_reader): Update.
11872 * gcc.c (cpp_options): If -o given, use it as the target of
11875 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11877 * arm.c (arm_arch5e): New variable.
11878 (all_cores): XScale is a 5TE device.
11879 (arm_override_options): Set arm_arch5e.
11880 (arm_init_builtins): __builtin_prefetch is in arch5e.
11881 * arm.h (arm_arch5e): Declare it.
11883 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11885 * arm.md (define_constants): Add defines for UNSPEC and
11886 UNSPEC_VOLATILE insns. Update all users.
11887 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11888 * arm.c (multi_register_push, note_invalid_constants)
11889 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11890 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11891 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11893 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11895 * jump.c (jump_optimize_1): Use reversed_comparison_code
11896 instead of can_reverse_comparison_p.
11897 (jump_back_p): Likewise.
11898 (invert_exp_1): Likewise.
11899 (thread_jumps): Likewise.
11900 * simplify-rtx.c (simplify_unary_operation): Likewise.
11901 (simplify_ternary_operation): Likewise.
11902 * cse.c (find_comparison_args): Convert to use
11903 can_reverse_comparison_p.
11904 (record_jump_equiv): Likewise.
11906 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11908 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11909 (EPILOGUE_USES): Define.
11910 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11911 automatically stack the LR if it isn't live.
11913 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11915 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11918 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11920 * ggc-page.c (max_alignment): New structure.
11921 (MAX_ALIGNMENT): New macro.
11922 (init_ggc): Use it to round up the sizes in the
11923 extra_order_size_table.
11925 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11927 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11930 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11932 * builtins.def (BUILT_IN_FPRINTF): New entry.
11934 * c-common.c (c_expand_builtin_fprintf): New function.
11935 (init_function_format_info): Handle __builtin_fprintf.
11936 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11937 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11939 * c-decl.c (duplicate_decls): Adjust comment.
11941 * extend.texi (fprintf): Document new builtin.
11943 2001-01-07 Richard Henderson <rth@redhat.com>
11945 * jump.c (simplejump_p): Recognize any single_set jump
11946 of the proper form.
11948 2001-01-07 Richard Henderson <rth@redhat.com>
11950 * configure.in (slibdir): Accept an --with-slibdir option.
11951 Use "test" not "[" in configure. Default to $(libdir).
11953 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11955 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11956 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11957 (SHLIB_LINK): Create links for the soname.
11958 * config/mips/t-iris6: Likewise.
11959 * config/sparc/t-slibgcc: Likewise.
11960 * config/sparc/t-slibgcc-sld: Likewise.
11962 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11964 * config/i386/i386.c (constant_call_address_operand): Accept
11965 (const (plus (symbol_ref) (const_int))).
11966 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11967 constant_call_address_operand.
11969 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11971 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11972 and LONG_LONG_TYPE_SIZE > 32.
11974 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11976 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11977 the previous change.
11979 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11981 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11983 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11984 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11985 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11988 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11990 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11992 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11994 * c-lang.c (c_post_options): Call cpp_post_options.
11995 * objc/objc-act.c (objc_post_options): Similarly.
11996 * cppmain.c (main): Similarly.
11997 * fix-header.c (read_scan_file): Similarly.
11998 * cppinit.c (cpp_start_read): Move option consistency checks
11999 to cpp_post_options. Don't call init_dependency_output.
12000 If needed, add default target and main file dependency.
12001 (OPT_MD, OPT_MMD): Remove.
12003 (cpp_handle_option): Update for OPT_* changes.
12004 (cpp_post_options): New.
12005 (init_dependency_output): Command line -MF overrides environment
12006 variables. Don't set default target etc. Suppress output
12007 if dependencies are going to stdout.
12008 (print_help): Update.
12009 * cpplib.h (cpp_post_options): New.
12010 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12012 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12014 * jump.c (comparison_dominates_p): Support unordered compares.
12016 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12018 * simplify-rtx.c (simplify_relational_operation): Always simplify
12019 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12022 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12024 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12025 (nonzero_bits): Likewise.
12026 (simplify_comparison): Likewise.
12027 (num_sign_bit_copies): Likewise; return more sane value depending
12028 on STORE_FLAG_VALUE.
12029 (known_cond): Do not assume EQ to be always true for equivalent
12032 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12034 * cse.c (fold_rtx): Handle unordered comparisons.
12036 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12038 * rtlanal.c (set_of_1): New static function.
12039 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12040 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12041 reg_set_last_last_regno): Remove.
12042 (set_of): New global function.
12043 (set_of_data): New structure.
12044 (reg_set_p, reg_set_last): Revamp for set_of.
12045 * rtl.h (set_of): New.
12047 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12049 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12050 * extend.texi: Document _Exit builtin.
12052 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12054 * (initialize, initialize_builtins,
12055 initialize_dependency_output, initialize_standard_includes):
12056 Rename s/initialize/init. Update.
12057 (init_dependency_output): Move to after
12058 cpp_handle_options, the correct location temporally at least.
12059 (opt_comp): Move next to init (), its caller. Fix prototype.
12060 (init): Make "initialized" local scope.
12061 (cpp_create_reader): Always call init ().
12062 (cpp_start_read): Update.
12063 (output_deps): New function, broken out of cpp_finish.
12064 (cpp_finish): Break out output_deps.
12066 2001-01-07 Richard Henderson <rth@redhat.com>
12068 * collect2.c (COFF specific stuff): Revert 12-06 patch
12069 to prototype system functions.
12071 2001-01-07 Michael Hayes <mhayes@redhat.com>
12073 * hard-reg-set.h: Add multiple include guard.
12074 * basic-block.h (struct loop): Add `sink' field.
12075 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12076 (emit_iv_add_mult): Delete.
12077 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12078 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12079 (unroll_loop): Remove end_insert_before argument.
12080 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12081 (maybe_eliminate_biv_1): Likewise.
12082 (emit_iv_add_mult): Delete.
12083 (gen_add_mult, loop_regs_update): New.
12084 (loop_insn_emit_after, loop_insn_emit_before): New.
12085 (loop_insn_sink, loop_insn_sink_or_swim): New.
12086 (emit_iv_add_mult): Delete.
12087 (scan_loop): Set loop->sink.
12088 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12089 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12090 (maybe_eliminate_biv_1): Likewise.
12091 (maybe_eliminate_biv_1): Add basic block argument.
12092 * unroll.c (unroll_loop): Remove end_insert_before argument.
12093 (find_splittable_regs): Likewise.
12094 (find_splittable_regs): Use loop_insn_sink and its ilk.
12095 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12097 2001-01-07 Michael Hayes <mhayes@redhat.com>
12099 * loop.h (loop_insn_hoist): New prototype.
12100 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12101 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12102 (check_dbra_loop, load_mems): Likewise.
12103 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12104 (find_splittable_givs): Likewise.
12106 2001-01-07 Michael Hayes <mhayes@redhat.com>
12108 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12110 2001-01-07 Richard Henderson <rth@redhat.com>
12112 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12114 2001-01-07 Richard Henderson <rth@redhat.com>
12116 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12117 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12118 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12119 variant that handles a shared libgcc.
12120 (process_command): Always validate -{static,shared}-libgcc.
12121 (do_spec_1): New 'M' case.
12122 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12124 2001-01-07 Richard Henderson <rth@redhat.com>
12126 * Makefile.in (slibdir): New variable.
12127 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12128 (installdirs): Create slibdir.
12129 (install-libgcc, install-multilib): Defer to libgcc.mk.
12130 * configure.in (slibdir): Substitute.
12131 * mklibgcc.in (install): New target.
12133 * config/t-linux (SHLIB_LINK): Create links for the soname.
12134 (SHLIB_INSTALL): New.
12135 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12136 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12137 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12138 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12139 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12141 2001-01-07 Richard Henderson <rth@redhat.com>
12143 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12144 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12145 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12147 2001-01-07 Michael Hayes <mhayes@redhat.com>
12149 * loop.c (count_loop_regs_set): Delete.
12150 (load_mems_and_recount_loop_regs_set): Delete.
12151 (loop_regs_scan): Merge common code from count_loop_regs_set,
12152 scan_loop, and load_mems_and_recount_loop_regs_set.
12153 (scan_loop): Call load_mems directly and loop_regs_scan
12154 again if new registers created.
12156 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12158 * toplev.c (main): Call the front-end specific post_options
12159 hook if one is given.
12160 * toplev.h (struct_lang_hooks, lang_hooks): New.
12161 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12162 for the C front end.
12163 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12164 lang_hooks for the C++ front end.
12165 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12166 lang_hooks for the ObjC front end.
12167 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12168 * java/lang.c (lang_hooks): Hooks for the Java front end.
12170 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12172 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12173 for verbose DWARF[2] debugging.
12174 (cb_define, cb_undef): The new callbacks.
12175 * toplev.h (debug_define, debug_undef): Make const correct.
12176 * toplev.c (debug_define, debug_undef): Similarly. Do not
12177 perform the verbosity tests here anymore.
12179 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12181 * reload.c (subst_reloads): Take INSN argument. When
12182 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12183 * reload.h (subst_reloads): Adjust prototype.
12184 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12185 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12186 present in JUMP_INSNs and copy them to JUMP_LABEL.
12187 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12188 JUMP_INSNs and insns with REG_LABELs that are followed by
12189 JUMP_INSNs with the same REG_LABEL.
12190 * sched-rgn.c (is_cfg_nonregular): Likewise.
12191 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12193 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12195 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12197 2001-01-06 Richard Henderson <rth@redhat.com>
12199 * loop.c (scan_loop): Use xcalloc for the regs array.
12200 (load_mems_and_recount_loop_regs_set): Zero the new memory
12201 received from xrealloc.
12203 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12205 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12207 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12209 * integrate.c (copy_rtx_and_substitute): When copying
12210 an ignored return value, strip REG_FUNCTION_VALUE_P.
12212 2001-01-06 Michael Hayes <mhayes@redhat.com>
12214 * loop.c (debug_biv, debug_giv): New.
12215 (loop_biv_dump): Break out from ...
12216 (record_biv): ... here.
12217 (loop_giv_dump): Break out from ...
12218 (record_giv): ... here.
12219 (loop_bivs_check): Use print_simple_rtl.
12220 * unroll.c (loop_iterations): Use print_simple_rtl.
12222 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12224 * pa.md (return, return_internal): Modify patterns to prevent regrename
12225 mucking with the return pointer.
12227 2001-01-05 Richard Henderson <rth@redhat.com>
12229 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12231 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12233 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12234 version supplied by Matteo Frigo.
12236 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12238 * cpp.texi: Update for -MQ.
12239 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12240 (cpp_cleanup): Always free pfile->deps.
12241 (initialize_dependency_output): Don't create pfile->deps.
12242 (cpp_handle_option): Similarly.
12244 * gcc.c (cpp_options): Handle -MQ.
12245 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12246 * mkdeps.c (base_name): Remove.
12247 (deps_init): Don't allocate vector space until it's needed.
12248 (deps_free): Only free vectors if allocated.
12249 (deps_add_target, deps_add_dep): Update for initial allocation.
12250 (deps_add_default_target): Don't strip to the base_name.
12252 2001-01-05 DJ Delorie <dj@redhat.com>
12254 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12255 (INIT_EXPANDERS): Define.
12257 * config/v850/v850.c (struct machine_function): Define.
12258 (v850_save_machine_status): New function.
12259 (v850_restore_machine_status): New function.
12260 (v850_return_addr): New function.
12261 (v850_init_expanders): New function.
12263 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12264 and v850_init_expanders.
12266 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12268 * cpplib.h (struct cpp_reader): Add help_only field.
12269 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12270 (cpp_handle_option): Set pfile->help_only if we see -h,
12271 --help, -target-help, or --version. Print version string but
12272 do not set help_only if we see -v or -version. Make text
12273 printed by -v match that printed by (-)-version.
12275 * cppmain.c (main): Exit after option parsing if
12276 pfile->help_only is true.
12278 * toplev.c (independent_decode_option): Call print_version,
12279 then exit, if we see --version (but not -version).
12280 (print_version): Split lengthy message into two lines.
12282 2001-01-05 Nick Clifton <nickc@redhat.com>
12284 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12285 temporary string for initialisation before calling ggc_alloc_string.
12287 2001-01-06 Michael Hayes <mhayes@redhat.com>
12289 * rtl.h (print_simple_rtl): New.
12290 * print-rtl.c (print_simple_rtl): New.
12291 (flag_simple): New.
12292 (print_rtx): Disable printing of flags and modes, etc.,
12293 if `flag_simple` nonzero.
12295 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12297 * function.c (fixup_var_refs): Use push_to_full_sequence where
12300 2001-01-05 Michael Meissner <meissner@redhat.com>
12302 * flags.h (flag_reorder_blocks): Add declaration.
12303 (flag_rename_block): Ditto.
12305 2001-01-05 DJ Delorie <dj@redhat.com>
12307 * function.c (reorder_blocks): Make sure the flags are all reset
12308 before using them to mark blocks, else a second invocation will
12309 corrupt the block chain.
12310 (reorder_blocks_0): New, resets the flags.
12312 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12314 * cse.c (find_comparison_args): Stop if the argument is known to
12317 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12319 * config/sh/sh.md (movdf): When splitting load into pair of
12320 registers, don't clobber the register used in the address too
12323 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12325 * varasm.c (mark_constant_pool): Improve initial comments.
12326 (mark_constants): Move marking of constants to mark_constant.
12327 (mark_constant): New function to recursively mark all constants
12328 referred to by a constant.
12330 2001-01-05 Catherine Moore <clm@redhat.com>
12332 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12334 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12336 * cp/lang-options.h: Bring comment in line with reality.
12337 * f/lang-options.h: Likewise.
12338 * java/lang-options.h: Likewise.
12339 * objc/lang-options.h: Likewise.
12340 * ch/lang-options.h: Likewise.
12341 * f/g77.texi: And update the manual.
12343 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12344 Denis Chertykov <denisc@overta.ru>
12346 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12347 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12348 * config/avr/avr.md (all peepholes that request a scratch register):
12349 Call it, FAIL the peephole if not safe (in interrupt functions).
12351 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12353 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12355 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12357 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12359 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12360 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12361 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12362 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12363 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12365 * extend.texi: Document these builtins.
12367 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12369 * c-common.c (lang_get_alias_set): Say we know nothing of
12370 VECTOR_TYPE aliasing.
12372 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12374 2001-01-05 Bruce Korb <bkorb@gnu.org>
12376 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12377 their x* equivalent versions for atexit-less systems
12378 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12379 systems (or any other system any more).
12381 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12383 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12384 output operands. Use arm_hard_register_operand for operand 4.
12385 (stmsi_postinc): Similarly.
12386 (ldmsi): Use arm_hard_register_operand for opernand 2.
12387 (stmsi): Similarly.
12388 * arm.c (arm_hard_register_operand): New function.
12389 * arm-protos.h (arm_hard_register_operand): Prototype it.
12391 * arm.h (HARD_REGNO_RENAME_OK): Define.
12393 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12395 * simplify-rtx.c (cfc_args): add "unordered" field.
12396 (check_fold_consts): Set unordered field.
12397 (simplify_relational_operation): Simplify the unordered
12400 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12403 * emit-rtl.c (try_split): Fix code to mark labels.
12404 * jump.c (mark_jump_label): Make global.
12405 * rtl.h (mark_jump_label): Declare.
12407 * predict.c (estimate_probability): Handle unordred comparisons.
12409 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12411 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12412 * cppinit.c (initialize_dependency_output): Update.
12413 (cpp_finish): Output dummy targets for -MP.
12415 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12416 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12417 * gcc.c (cpp_options): Update to handle -MP.
12418 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12419 to quote only the default target.
12420 (deps_phony_targets): Insert a preceding newline. Rename from
12421 deps_dummy_targets for consistency.
12424 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12426 * calls.c (emit_library_call_value_1): Support
12427 INIT_CUMULATIVE_LIBCALL_ARGS.
12428 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12430 2001-01-04 Richard Henderson <rth@redhat.com>
12432 * c-decl.c (finish_struct): Detect flexible array members
12433 used in an inappropriate context.
12434 * c-typeck.c (really_start_incremental_init): Special case
12435 constructor_max_index for zero length arrays.
12436 (pop_init_level): Allow initialization of flexible array
12437 members. Deprecate initialization of zero length arrays.
12438 Don't issue missing initializer warning for flexible array
12439 members or zero length arrays.
12440 (process_init_element): Don't dereference null DECL_SIZE.
12441 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12442 Don't abort for empty constructors. Use size_binop
12443 (output_constructor): Add commentary regarding zero length
12444 array futures. Abort if we try to initialize an array of
12445 unspecified length with a non-empty constructor in the middle
12448 * extend.texi (Zero Length): Update and clarify documentation
12449 on static initialization.
12451 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12453 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12454 with more than 32767 words of local storage.
12456 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12458 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12459 for 'abs', 'labs', and 'fabs'.
12460 (c4x_expand_builtin): Likewise.
12461 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12463 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12465 * config/sh/sh.md (prget, prset): New insn types.
12466 (return delay slot): Dont' allow prset.
12467 (call, sfunc delay slot): Don't allow prget.
12468 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12469 for prset and prget.
12471 2001-01-05 Michael Hayes <mhayes@redhat.com>
12473 * loop.h (struct loop_reg): New.
12474 (struct loop_regs): Change to use array of `struct loop_reg'.
12475 * loop.c: Replace assortment of varrays with single regs array.
12476 (count_one_set): Delete may_not_move array argument
12477 and use regs array instead. All caller's changed.
12478 (count_loop_regs_set): Delete may_not_move and single_usage
12479 arguments and use regs array instead. All caller's changed.
12480 (find_single_use_in_loop): Replace usage array argument with pointer
12481 to regs structure. All caller's changed.
12482 (loop_optimize): Delete `moved_once' array.
12484 2001-01-05 Michael Hayes <mhayes@redhat.com>
12486 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12487 Use it instead of loop_info->has_call for scanning loop mems.
12488 (check_dbra_loop): Replace loop_info->has_call test with
12489 loop_info->has_nonconst_call.
12491 2000-01-04 Matthew Hiller <hiller@redhat.com>
12493 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12496 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12498 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12499 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12501 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12503 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12504 (flag_short_double, flag_short_wchar): Define.
12505 (c_common_nodes_and_builtins): Create many tree nodes shared
12506 between C and C++ here instead of in cp/decl.c and ...
12507 * c-decl.c (init_decl_processing): ... here.
12508 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12509 (flag_short_double, flag_short_wchar): Don't define.
12510 (record_builtin_type): New function.
12511 (build_void_list_node): New function.
12512 * c-common.h (flag_short_double, flag_short_wchar,
12513 record_builtin_type, build_void_list_node): Declare.
12515 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12517 * integrate.c (expand_inline_function): Don't put a virtual
12518 register into the reg map.
12520 * function.c (fixup_var_refs_1): If force_operand didn't put
12521 the address into the target, move it there.
12523 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12525 Special-case tree_decl/tree_list allocations.
12526 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12527 (OBJECT_SIZE): New macro.
12528 (NUM_EXTRA_ORDER): Likewise.
12529 (extra_order_size_table): New variable.
12530 (NUM_ORDERS): New macro.
12531 (objects_per_page_table): New variable.
12532 (object_size_table): New variable.
12533 (G.pages): Use NUM_ORDERS to bound the array.
12534 (G.page_tails): Likewise.
12535 (DIV_ROUND_UP): Remove.
12536 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12537 (alloc_page): Use OBJECT_SIZE.
12538 (size_lookup): Don't make it const.
12539 (ggc_alloc): Use OBJECT_SIZE.
12540 (ggc_set_mark): Likewise.
12541 (ggc_get_size): Likewise.
12542 (init_ggc): Set up the object_size_table, objects_per_page_table,
12543 and adjust size_lookup.
12544 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12545 (ggc_pop_context): Use NUM_ORDERS.
12546 (clear_marks): Likewise.
12547 (sweep_pages): Likewise.
12548 (poison_pages): Likewise.
12549 (ggc_print_statistics): Use OBJECT_SIZE.
12551 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12553 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12554 Only call array_size_for_constructor if last field and array type
12555 with no upper bound.
12557 2001-01-04 Philip Blundell <philb@gnu.org>
12559 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12560 from bit 31 downwards, if this requires no more insns.
12561 (count_insns_for_constant): New helper function for above.
12563 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12565 * gencodes.c (output_predicate_decls): Remove empty initializer.
12567 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12569 * tree.c (copy_node): Remove documentation about obstacks.
12570 (buidl1): Check that nobody tries to build 2-argument nodes this
12573 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12575 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12578 * gencodes.c (output_predicate_decls): Fill empty initializer
12581 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12583 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12584 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12586 (do_include): Handle missing headers like cpp0.
12587 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12588 paths with first include pathname. Don't strcat to uninitialized
12591 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12593 * regrename.c (regrename_optimize): Don't rename from frame pointer
12594 if frame_pointer_needed.
12595 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12596 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12597 (ia64_reorg): Use it instead of scheduling if ! optimize.
12598 (errata_emit_nops): Properly call asm_noperands.
12599 (ia64_sched_reorder): Finish cycle if we see an asm.
12600 (ia64_variable_issue): Clear scheduling state after asms.
12602 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12604 * cpp.texi: Update for -MT.
12605 * cppinit.c (initialize_dependency_output): Add a default
12606 target if none has been given already.
12607 (no_tgt, OPT_MT): New.
12608 (cpp_handle_option): Handle -MT. Update -M etc.
12609 * cpplib.h (struct cpp_options): Remove deps_target.
12610 * gcc.c (cpp_options): Handle -MT.
12611 * mkdeps.c (struct deps): Move from mkdeps.h.
12612 (deps_calc_target): Rename deps_add_default_target. Add a
12613 default target if none has been specified already.
12614 * mkdeps.h (struct deps): Move to mkdeps.c.
12615 (deps_calc_target): Rename deps_add_default_target.
12617 2000-01-03 Richard Henderson <rth@redhat.com>
12619 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12621 * c-typeck.c (push_init_level): Move checks for flexible array
12622 members and zero length arrays ...
12623 (pop_init_level): ... here. Silently discard empty initializations.
12625 * varasm.c (output_constructor): Update for sizeof change to
12626 zero-length arrays.
12628 * extend.texi (Zero Length): Clarify semantics.
12630 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12632 * configure.in (tm.h): Include isns-codes.h last.
12633 * configure: Rebuilt.
12635 2001-01-03 Richard Henderson <rth@redhat.com>
12637 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12638 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12640 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12642 * tradcpp.c (main): Make sure finclude() is called with a valid
12643 indepth value while handling -include.
12645 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12647 * gencodes.c (output_predicate_decls): New function.
12649 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12650 even if it is not the first time machmode.h is #included.
12651 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12652 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12653 * gcc.texi (Copyright): Added 2001.
12655 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12657 * c-common.c (c_common_lang_init): New function. Warn if format
12658 warning options which only have effects when used with -Wformat
12659 are used without -Wformat.
12660 * c-common.h (c_common_lang_init): Declare.
12661 * c-lang.c (lang_init): Call c_common_lang_init.
12662 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12664 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12666 * configure.in: Check for the mktemp command.
12667 * configure: Regenerate.
12668 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12669 $TEMP. Create temporary files with mktemp, if available at
12670 configure time; otherwise use set -C. Remove temporary files
12673 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12675 * configure.in: Require at least texinfo 4.0. Check for whether
12676 Pod::Man is sufficiently recent to regenerate GCC manpages.
12677 * configure: Regenerate.
12678 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12680 (GENERATED_MANPAGES): Define.
12681 (generated-manpages): New target. Depend on cpp.1 as well as
12683 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12684 configure to generated-manpages or empty) rather than on the
12685 manpages directly. Remove execute permission from installed
12686 gcov.1 as well as cpp.1.
12687 * cpp.1, gcov.1: Regenerate.
12689 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12691 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12692 tree_low_cst. Allow using cmpstrsi in more cases.
12694 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12696 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12699 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12701 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12702 * Makefile.in (HOST_CFLAGS): Mention build-make.
12704 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12706 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12709 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12711 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12714 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12717 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12718 reg_base_value and reg_known_value arrays.
12719 (init_alias_analysis): Add more cases to detect known values.
12720 * sched-deps.c (deps_may_trap_p): New function.
12721 (sched_analyze_2): Use it.
12723 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12725 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12726 don't discard an ASHIFTRT if we're shifting in a wider mode.
12728 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12730 * toplev.c (rest_of_compilation): Don't print basic block information
12731 when CFG isn't up to date.
12733 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12735 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12736 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12737 (UNALIGNED_SHORT_ASM_OP): Define.
12738 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12740 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12742 * fold-const.c (fold_convert): Fix typo.
12744 2001-01-02 Richard Henderson <rth@redhat.com>
12746 * c-common.h (ASM_INPUT_P): New.
12747 * c-parse.in (asm): Set it when needed.
12748 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12749 existance of an operand.
12751 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12753 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12754 (dwarf2out_frame_debug_expr): Likewise.
12755 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12757 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12759 * i386.c (ix86_split_to_parts): Return number of part required;
12761 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12763 (ix86_split_long_move): Use number of part returned
12764 by ix86_split_to_parts
12765 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12767 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12768 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12769 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12770 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12771 (ALIGN_MODE_128): Add TFmode.
12772 (IS_STACK_MODE): Likewise.
12773 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12774 (HARD_REGNO_OK): Support TFmodes.
12775 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12776 * i386.md (scheduler definitions): Use memory operand to determine
12777 fst/fld instructions; use mode attribute to determine real mode of
12779 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12780 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12782 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12784 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12786 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12788 * expr.c (store_constructor_field): Update ALIGN before calling
12791 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12793 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12796 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12798 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12801 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12803 * c-decl.c (start_function): Don't warn on third parameter to main.
12805 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12807 * tsystem.h: Define HAVE_DECL_GETOPT.
12809 2001-01-02 Philip Blundell <pb@futuretv.com>
12811 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12814 2001-01-02 Richard Henderson <rth@redhat.com>
12816 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12818 2001-01-02 Andreas Jaeger <aj@suse.de>
12820 * c-decl.c (c_decode_option): Remove support of
12821 -Wmissing-noreturn.
12823 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12824 (W_options): Add -Wmissing-noreturn here.
12826 * flow.c: Define lang_missing_noreturn_ok_p.
12827 (check_function_return_warnings): Use it.
12829 * c-common.h: Declare lang_missing_noreturn_ok_p.
12831 * c-lang.c (c_missing_noreturn_ok_p): New function.
12832 (lang_init): Set lang_missing_noreturn_ok_p.
12834 * invoke.texi (Warning Options): Document this.
12836 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12838 * extend.texi (C++ Extensions): New node for C++ attributes;
12839 describe init_priority and com_interface.
12840 * invoke.texi: Remove -finit-priority as it now has zero effect.
12841 * install.texi: Fix xref syntax.
12842 * md.texi: Likewise.
12844 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12846 * config.gcc (sparc64-wrs-vxworks*): New case.
12847 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12849 * config/sparc/sparc.c (sparc_override_options): Do support different
12850 pointer and architecture size.
12851 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12852 (POINTERS_EXTEND_UNSIGNED): Define.
12853 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12854 (FUNCTION_MODE): Define to be Pmode.
12855 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12857 * function.c (expand_function_end): Properly handle DECL_RESULT
12858 and copy when ptr_mode != Pmode.
12859 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12861 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12863 * c-common.c (c_common_nodes_and_builtins): Set prototype
12864 parameters for __builtin_fputs, __builtin_fputc and
12865 __builtin_fwrite. Don't declare plain fputc as a builtin.
12867 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12869 * loop.c (add_label_notes): Increment the label usage count when
12870 a note is added to an insn which refers to a CODE_LABEL.
12871 * gcse.c (add_label_notes): Likewise.
12873 2001-01-01 Andreas Jaeger <aj@suse.de>
12875 * loop.c (scan_loop): Use xmalloc to allocate movables.
12877 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12879 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12880 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12881 * reload1.c (REGISTER_MOVE_COST): Likewise.
12882 * regclass.c (REGISTER_MOVE_COST): Likewise.
12883 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12884 dimension. Adjust all users.
12885 (init_reg_sets_1): Iterate on all modes.
12886 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12887 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12888 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12889 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12890 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12891 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12892 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12893 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12894 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12895 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12896 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12897 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12898 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12899 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12900 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12901 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12902 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12903 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12904 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12905 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12906 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12907 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12908 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12909 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12910 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12911 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12912 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12914 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12916 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12917 arg VARIES_P. Call it with extra arg.
12918 (true_dependence): Likewise.
12919 * rtl.h (rtx_addr_can_trap_p): Declare.
12920 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12922 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12923 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12924 pic offset table register if it's zero. All callers changed.
12925 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12927 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12929 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12930 STRING_POOL_ADDRESS_P.
12932 * config/sparc/sparc.c (input_operand): Properly test for short op.
12934 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12935 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12936 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12937 * config/sparc/elf.h: No longer include sol2.h.
12938 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12939 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12941 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12943 2001-01-01 Michael Hayes <mhayes@redhat.com>
12945 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12946 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12947 (record_initial): Likewise.
12948 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12949 (remap_split_bivs): Likewise.
12951 2001-01-01 Michael Hayes <mhayes@redhat.com>
12953 * loop.c (loop_ivs_free): New function.
12954 (strength_reduce): Break out from...
12956 2001-01-01 Michael Hayes <mhayes@redhat.com>
12958 * loop.h (struct iv): New.
12959 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12960 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12961 'reg_biv_class' fields with 'regs' and 'n_regs'.
12962 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12963 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12964 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12966 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12968 * resource.c (mark_referenced_resources): Abort() before
12969 attempting to mark a pseudo register.
12970 (mark_set_resources): Likewise.
12972 2001-01-01 Michael Hayes <mhayes@redhat.com>
12974 * loop.h (REG_IV_CLASS): New accessor macro.
12975 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12976 * unroll.c (REG_IV_CLASS): Likewise.
12978 See ChangeLog.4 for earlier changes.